Merge branch 'master' into soc-2021-porting-modifiers-to-nodes_all

This branch merges all branches from soc2021 porting modifiers to nodes
into one. The branche is mainly used to make a testbuild.

CMakeLists.txt

@@ -269,10 +269,11 @@ if(UNIX AND NOT APPLE)
   option(WITH_SYSTEM_EIGEN3 "Use the systems Eigen3 library" OFF)
 endif()
 
+# Geometry
+option(WITH_REMESH_DUALCON      "Enable Remesh Algorithm using Dualcon" ON)
 
 # Modifiers
 option(WITH_MOD_FLUID           "Enable Mantaflow Fluid Simulation Framework" ON)
-option(WITH_MOD_REMESH          "Enable Remesh Modifier" ON)
 option(WITH_MOD_OCEANSIM        "Enable Ocean Modifier" ON)
 
 # Image format support
@@ -403,7 +404,7 @@ option(WITH_CYCLES_CUDA_BINARIES    "Build Cycles CUDA binaries" OFF)
 option(WITH_CYCLES_CUBIN_COMPILER   "Build cubins with nvrtc based compiler instead of nvcc" OFF)
 option(WITH_CYCLES_CUDA_BUILD_SERIAL "Build cubins one after another (useful on machines with limited RAM)" OFF)
 mark_as_advanced(WITH_CYCLES_CUDA_BUILD_SERIAL)
-set(CYCLES_TEST_DEVICES CPU CACHE STRING "Run regression tests on the specified device types (CPU CUDA OPTIX)" )
+set(CYCLES_TEST_DEVICES CPU CACHE STRING "Run regression tests on the specified device types (CPU CUDA OPTIX OPENCL)" )
 set(CYCLES_CUDA_BINARIES_ARCH sm_30 sm_35 sm_37 sm_50 sm_52 sm_60 sm_61 sm_70 sm_75 sm_86 compute_75 CACHE STRING "CUDA architectures to build binaries for")
 mark_as_advanced(CYCLES_CUDA_BINARIES_ARCH)
 unset(PLATFORM_DEFAULT)
@@ -418,8 +419,12 @@ mark_as_advanced(WITH_CYCLES_DEBUG_NAN)
 mark_as_advanced(WITH_CYCLES_NATIVE_ONLY)
 
 option(WITH_CYCLES_DEVICE_CUDA              "Enable Cycles CUDA compute support" ON)
-option(WITH_CYCLES_DEVICE_OPTIX             "Enable Cycles OptiX support" ON)
+option(WITH_CYCLES_DEVICE_OPTIX             "Enable Cycles OptiX support" OFF)
+option(WITH_CYCLES_DEVICE_OPENCL            "Enable Cycles OpenCL compute support" ON)
+option(WITH_CYCLES_NETWORK              "Enable Cycles compute over network support (EXPERIMENTAL and unfinished)" OFF)
 mark_as_advanced(WITH_CYCLES_DEVICE_CUDA)
+mark_as_advanced(WITH_CYCLES_DEVICE_OPENCL)
+mark_as_advanced(WITH_CYCLES_NETWORK)
 
 option(WITH_CUDA_DYNLOAD "Dynamically load CUDA libraries at runtime" ON)
 mark_as_advanced(WITH_CUDA_DYNLOAD)
@@ -1594,7 +1599,8 @@ elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")
   ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNUSED_PARAMETER -Wunused-parameter)
 
   ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ALL -Wall)
-  # Using C++20 features while having C++17 as the project language isn't allowed by MSVC.
+  # Designated initializer is a C++20 feature & breaks MSVC build. Dropping MSVC 2019 or
+  # updating to C++20 allows removing this.
   ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_CXX20_DESIGNATOR -Wc++20-designator)
 
   ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_AUTOLOGICAL_COMPARE -Wno-tautological-compare)
@@ -1990,7 +1996,7 @@ if(FIRST_RUN)
   info_cfg_text("Modifiers:")
   info_cfg_option(WITH_MOD_FLUID)
   info_cfg_option(WITH_MOD_OCEANSIM)
-  info_cfg_option(WITH_MOD_REMESH)
+  info_cfg_option(WITH_REMESH_DUALCON)
 
   info_cfg_text("OpenGL:")
   if(WIN32)

build_files/build_environment/patches/ffmpeg.diff

@@ -70,18 +70,16 @@
  }
 --- a/libavcodec/rl.c
 +++ b/libavcodec/rl.c
-@@ -71,17 +71,19 @@
+@@ -71,7 +71,7 @@ av_cold void ff_rl_init(RLTable *rl,
  av_cold void ff_rl_init_vlc(RLTable *rl, unsigned static_size)
  {
      int i, q;
 -    VLC_TYPE table[1500][2] = {{0}};
 +    VLC_TYPE (*table)[2] = av_calloc(sizeof(VLC_TYPE), 1500 * 2);
      VLC vlc = { .table = table, .table_allocated = static_size };
--    av_assert0(static_size <= FF_ARRAY_ELEMS(table));
-+    av_assert0(static_size < 1500);
+     av_assert0(static_size <= FF_ARRAY_ELEMS(table));
      init_vlc(&vlc, 9, rl->n + 1, &rl->table_vlc[0][1], 4, 2, &rl->table_vlc[0][0], 4, 2, INIT_VLC_USE_NEW_STATIC);
- 
-     for (q = 0; q < 32; q++) {
+@@ -80,8 +80,10 @@ av_cold void ff_rl_init_vlc(RLTable *rl, unsigned static_size)
          int qmul = q * 2;
          int qadd = (q - 1) | 1;
  
@@ -93,7 +91,7 @@
  
          if (q == 0) {
              qmul = 1;
-@@ -113,4 +115,5 @@
+@@ -113,4 +115,5 @@ av_cold void ff_rl_init_vlc(RLTable *rl, unsigned static_size)
              rl->rl_vlc[q][i].run   = run;
          }
      }

build_files/cmake/Modules/FindOptiX.cmake

@@ -33,23 +33,11 @@ FIND_PATH(OPTIX_INCLUDE_DIR
     include
 )
 
-IF(EXISTS "${OPTIX_INCLUDE_DIR}/optix.h")
-  FILE(STRINGS "${OPTIX_INCLUDE_DIR}/optix.h" _optix_version REGEX "^#define OPTIX_VERSION[ \t].*$")
-  STRING(REGEX MATCHALL "[0-9]+" _optix_version ${_optix_version})
-
-  MATH(EXPR _optix_version_major "${_optix_version} / 10000")
-  MATH(EXPR _optix_version_minor "(${_optix_version} % 10000) / 100")
-  MATH(EXPR _optix_version_patch "${_optix_version} % 100")
-
-  SET(OPTIX_VERSION "${_optix_version_major}.${_optix_version_minor}.${_optix_version_patch}")
-ENDIF()
-
 # handle the QUIETLY and REQUIRED arguments and set OPTIX_FOUND to TRUE if
 # all listed variables are TRUE
 INCLUDE(FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(OptiX
-    REQUIRED_VARS OPTIX_INCLUDE_DIR
-    VERSION_VAR OPTIX_VERSION)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(OptiX DEFAULT_MSG
+    OPTIX_INCLUDE_DIR)
 
 IF(OPTIX_FOUND)
   SET(OPTIX_INCLUDE_DIRS ${OPTIX_INCLUDE_DIR})
@@ -57,7 +45,6 @@ ENDIF()
 
 MARK_AS_ADVANCED(
   OPTIX_INCLUDE_DIR
-  OPTIX_VERSION
 )
 
 UNSET(_optix_SEARCH_DIRS)

build_files/cmake/config/blender_full.cmake

@@ -37,7 +37,7 @@ set(WITH_LZMA                ON  CACHE BOOL "" FORCE)
 set(WITH_LZO                 ON  CACHE BOOL "" FORCE)
 set(WITH_MOD_FLUID           ON  CACHE BOOL "" FORCE)
 set(WITH_MOD_OCEANSIM        ON  CACHE BOOL "" FORCE)
-set(WITH_MOD_REMESH          ON  CACHE BOOL "" FORCE)
+set(WITH_REMESH_DUALCON      ON  CACHE BOOL "" FORCE)
 set(WITH_NANOVDB             ON  CACHE BOOL "" FORCE)
 set(WITH_OPENAL              ON  CACHE BOOL "" FORCE)
 set(WITH_OPENCOLLADA         ON  CACHE BOOL "" FORCE)

build_files/cmake/config/blender_lite.cmake

@@ -43,7 +43,7 @@ set(WITH_LZMA                OFF CACHE BOOL "" FORCE)
 set(WITH_LZO                 OFF CACHE BOOL "" FORCE)
 set(WITH_MOD_FLUID           OFF CACHE BOOL "" FORCE)
 set(WITH_MOD_OCEANSIM        OFF CACHE BOOL "" FORCE)
-set(WITH_MOD_REMESH          OFF CACHE BOOL "" FORCE)
+set(WITH_REMESH_DUALCON      OFF CACHE BOOL "" FORCE)
 set(WITH_NANOVDB             OFF CACHE BOOL "" FORCE)
 set(WITH_OPENAL              OFF CACHE BOOL "" FORCE)
 set(WITH_OPENCOLLADA         OFF CACHE BOOL "" FORCE)

build_files/cmake/config/blender_release.cmake

@@ -38,7 +38,7 @@ set(WITH_LZMA                ON  CACHE BOOL "" FORCE)
 set(WITH_LZO                 ON  CACHE BOOL "" FORCE)
 set(WITH_MOD_FLUID           ON  CACHE BOOL "" FORCE)
 set(WITH_MOD_OCEANSIM        ON  CACHE BOOL "" FORCE)
-set(WITH_MOD_REMESH          ON  CACHE BOOL "" FORCE)
+set(WITH_REMESH_DUALCON          ON  CACHE BOOL "" FORCE)
 set(WITH_NANOVDB             ON  CACHE BOOL "" FORCE)
 set(WITH_OPENAL              ON  CACHE BOOL "" FORCE)
 set(WITH_OPENCOLLADA         ON  CACHE BOOL "" FORCE)

build_files/cmake/platform/platform_win32.cmake

@@ -151,8 +151,8 @@ if(MSVC_CLANG) # Clangs version of cl doesn't support all flags
   string(APPEND CMAKE_CXX_FLAGS " ${CXX_WARN_FLAGS} /nologo /J /Gd /EHsc -Wno-unused-command-line-argument -Wno-microsoft-enum-forward-reference ")
   set(CMAKE_C_FLAGS     "${CMAKE_C_FLAGS} /nologo /J /Gd -Wno-unused-command-line-argument -Wno-microsoft-enum-forward-reference")
 else()
-  string(APPEND CMAKE_CXX_FLAGS " /nologo /J /Gd /MP /EHsc /bigobj /Zc:inline")
-  set(CMAKE_C_FLAGS     "${CMAKE_C_FLAGS} /nologo /J /Gd /MP /bigobj /Zc:inline")
+  string(APPEND CMAKE_CXX_FLAGS " /nologo /J /Gd /MP /EHsc /bigobj")
+  set(CMAKE_C_FLAGS     "${CMAKE_C_FLAGS} /nologo /J /Gd /MP /bigobj")
 endif()
 
 # X64 ASAN is available and usable on MSVC 16.9 preview 4 and up)
@@ -259,7 +259,7 @@ if(NOT DEFINED LIBDIR)
   else()
     message(FATAL_ERROR "32 bit compiler detected, blender no longer provides pre-build libraries for 32 bit windows, please set the LIBDIR cmake variable to your own library folder")
   endif()
-  if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.30.30423)
+  if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.29.30130)
     message(STATUS "Visual Studio 2022 detected.")
     set(LIBDIR ${CMAKE_SOURCE_DIR}/../lib/${LIBDIR_BASE}_vc15)
   elseif(MSVC_VERSION GREATER 1919)

build_files/config/pipeline_config.yaml

@@ -51,11 +51,11 @@ buildbot:
     gcc:
         version: '9.0.0'
     cuda10:
-        version: '10.1.243'
+        version: '10.1.0'
     cuda11:
-        version: '11.4.1'
+        version: '11.4.0'
     optix:
-        version: '7.3.0'
+        version: '7.1.0'
     cmake:
         default:
             version: any

build_files/utils/make_update.py

@@ -31,7 +31,6 @@ def parse_arguments():
     parser.add_argument("--no-submodules", action="store_true")
     parser.add_argument("--use-tests", action="store_true")
     parser.add_argument("--svn-command", default="svn")
-    parser.add_argument("--svn-branch", default=None)
     parser.add_argument("--git-command", default="git")
     parser.add_argument("--use-centos-libraries", action="store_true")
     return parser.parse_args()
@@ -47,7 +46,7 @@ def svn_update(args, release_version):
     svn_non_interactive = [args.svn_command, '--non-interactive']
 
     lib_dirpath = os.path.join(get_blender_git_root(), '..', 'lib')
-    svn_url = make_utils.svn_libraries_base_url(release_version, args.svn_branch)
+    svn_url = make_utils.svn_libraries_base_url(release_version)
 
     # Checkout precompiled libraries
     if sys.platform == 'darwin':
@@ -171,28 +170,26 @@ def submodules_update(args, release_version, branch):
         sys.stderr.write("git not found, can't update code\n")
         sys.exit(1)
 
-    # Update submodules to appropriate given branch,
-    # falling back to master if none is given and/or found in a sub-repository.
-    branch_fallback = "master"
-    if not branch:
-        branch = branch_fallback
+    # Update submodules to latest master or appropriate release branch.
+    if not release_version:
+        branch = "master"
 
     submodules = [
-        ("release/scripts/addons", branch, branch_fallback),
-        ("release/scripts/addons_contrib", branch, branch_fallback),
-        ("release/datafiles/locale", branch, branch_fallback),
-        ("source/tools", branch, branch_fallback),
+        ("release/scripts/addons", branch),
+        ("release/scripts/addons_contrib", branch),
+        ("release/datafiles/locale", branch),
+        ("source/tools", branch),
     ]
 
     # Initialize submodules only if needed.
-    for submodule_path, submodule_branch, submodule_branch_fallback in submodules:
+    for submodule_path, submodule_branch in submodules:
         if not os.path.exists(os.path.join(submodule_path, ".git")):
             call([args.git_command, "submodule", "update", "--init", "--recursive"])
             break
 
     # Checkout appropriate branch and pull changes.
     skip_msg = ""
-    for submodule_path, submodule_branch, submodule_branch_fallback in submodules:
+    for submodule_path, submodule_branch in submodules:
         cwd = os.getcwd()
         try:
             os.chdir(submodule_path)
@@ -200,20 +197,10 @@ def submodules_update(args, release_version, branch):
             if msg:
                 skip_msg += submodule_path + " skipped: " + msg + "\n"
             else:
-                # Find a matching branch that exists.
-                call([args.git_command, "fetch", "origin"])
-                if make_utils.git_branch_exists(args.git_command, submodule_branch):
-                    pass
-                elif make_utils.git_branch_exists(args.git_command, submodule_branch_fallback):
-                    submodule_branch = submodule_branch_fallback
-                else:
-                    submodule_branch = None
-
-                # Switch to branch and pull.
-                if submodule_branch:
-                    if make_utils.git_branch(args.git_command) != submodule_branch:
-                        call([args.git_command, "checkout", submodule_branch])
-                    call([args.git_command, "pull", "--rebase", "origin", submodule_branch])
+                if make_utils.git_branch(args.git_command) != submodule_branch:
+                    call([args.git_command, "fetch", "origin"])
+                    call([args.git_command, "checkout", submodule_branch])
+                call([args.git_command, "pull", "--rebase", "origin", submodule_branch])
         finally:
             os.chdir(cwd)
 
@@ -227,10 +214,6 @@ if __name__ == "__main__":
 
     # Test if we are building a specific release version.
     branch = make_utils.git_branch(args.git_command)
-    if branch == 'HEAD':
-        sys.stderr.write('Blender git repository is in detached HEAD state, must be in a branch\n')
-        sys.exit(1)
-
     tag = make_utils.git_tag(args.git_command)
     release_version = make_utils.git_branch_release_version(branch, tag)
 

build_files/utils/make_utils.py

@@ -8,19 +8,14 @@ import subprocess
 import sys
 
 
-def call(cmd, exit_on_error=True, silent=False):
-    if not silent:
-        print(" ".join(cmd))
+def call(cmd, exit_on_error=True):
+    print(" ".join(cmd))
 
     # Flush to ensure correct order output on Windows.
     sys.stdout.flush()
     sys.stderr.flush()
 
-    if silent:
-        retcode = subprocess.call(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
-    else:
-        retcode = subprocess.call(cmd)
-
+    retcode = subprocess.call(cmd)
     if exit_on_error and retcode != 0:
         sys.exit(retcode)
     return retcode
@@ -43,11 +38,6 @@ def check_output(cmd, exit_on_error=True):
     return output.strip()
 
 
-def git_branch_exists(git_command, branch):
-    return call([git_command, "rev-parse", "--verify", branch], exit_on_error=False, silent=True) == 0 or \
-           call([git_command, "rev-parse", "--verify", "remotes/origin/" + branch], exit_on_error=False, silent=True) == 0
-
-
 def git_branch(git_command):
     # Get current branch name.
     try:
@@ -80,11 +70,9 @@ def git_branch_release_version(branch, tag):
     return release_version
 
 
-def svn_libraries_base_url(release_version, branch=None):
+def svn_libraries_base_url(release_version):
     if release_version:
         svn_branch = "tags/blender-" + release_version + "-release"
-    elif branch:
-        svn_branch = "branches/" + branch
     else:
         svn_branch = "trunk"
     return "https://svn.blender.org/svnroot/bf-blender/" + svn_branch + "/lib/"

build_files/windows/icons.cmd

@@ -1,4 +1,4 @@
-if EXIST "%PYTHON%" (
+if EXIST %PYTHON% (
     goto detect_python_done
 )
 

doc/python_api/examples/aud.py

@@ -14,7 +14,7 @@ sound = aud.Sound('music.ogg')
 # play the audio, this return a handle to control play/pause
 handle = device.play(sound)
 # if the audio is not too big and will be used often you can buffer it
-sound_buffered = aud.Sound.cache(sound)
+sound_buffered = aud.Sound.buffer(sound)
 handle_buffered = device.play(sound_buffered)
 
 # stop the sounds (otherwise they play until their ends)

doc/python_api/requirements.txt

@@ -10,4 +10,4 @@ requests==2.26.0
 
 # Only needed to match the theme used for the official documentation.
 # Without this theme, the default theme will be used.
-sphinx_rtd_theme==1.0.0
+sphinx_rtd_theme==1.0.0rc1

doc/python_api/sphinx_doc_gen.py

@@ -1039,17 +1039,13 @@ context_type_map = {
     # context_member: (RNA type, is_collection)
     "active_annotation_layer": ("GPencilLayer", False),
     "active_bone": ("EditBone", False),
-    "active_file": ("FileSelectEntry", False),
     "active_gpencil_frame": ("GreasePencilLayer", True),
     "active_gpencil_layer": ("GPencilLayer", True),
     "active_node": ("Node", False),
     "active_object": ("Object", False),
     "active_operator": ("Operator", False),
     "active_pose_bone": ("PoseBone", False),
-    "active_sequence_strip": ("Sequence", False),
     "active_editable_fcurve": ("FCurve", False),
-    "active_nla_strip": ("NlaStrip", False),
-    "active_nla_track": ("NlaTrack", False),
     "annotation_data": ("GreasePencil", False),
     "annotation_data_owner": ("ID", False),
     "armature": ("Armature", False),
@@ -1078,7 +1074,6 @@ context_type_map = {
     "gpencil_data": ("GreasePencil", False),
     "gpencil_data_owner": ("ID", False),
     "hair": ("Hair", False),
-    "id": ("ID", False),
     "image_paint_object": ("Object", False),
     "lattice": ("Lattice", False),
     "light": ("Light", False),
@@ -1107,7 +1102,6 @@ context_type_map = {
     "selected_editable_keyframes": ("Keyframe", True),
     "selected_editable_objects": ("Object", True),
     "selected_editable_sequences": ("Sequence", True),
-    "selected_files": ("FileSelectEntry", True),
     "selected_nla_strips": ("NlaStrip", True),
     "selected_nodes": ("Node", True),
     "selected_objects": ("Object", True),
@@ -1204,7 +1198,6 @@ def pycontext2sphinx(basepath):
         "text_context_dir",
         "clip_context_dir",
         "sequencer_context_dir",
-        "file_context_dir",
     )
 
     unique = set()
@@ -2002,7 +1995,7 @@ def write_rst_importable_modules(basepath):
         "blf": "Font Drawing",
         "imbuf": "Image Buffer",
         "imbuf.types": "Image Buffer Types",
-        "gpu": "GPU Module",
+        "gpu": "GPU Shader Module",
         "gpu.types": "GPU Types",
         "gpu.matrix": "GPU Matrix Utilities",
         "gpu.select": "GPU Select Utilities",

extern/audaspace/CMakeLists.txt

@@ -129,7 +129,6 @@ set(SRC
 	src/util/Barrier.cpp
 	src/util/Buffer.cpp
 	src/util/BufferReader.cpp
-	src/util/RingBuffer.cpp
 	src/util/StreamBuffer.cpp
 	src/util/ThreadPool.cpp
 )
@@ -153,7 +152,6 @@ set(PUBLIC_HDR
 	include/devices/ThreadedDevice.h
 	include/Exception.h
 	include/file/File.h
-	include/file/FileInfo.h
 	include/file/FileManager.h
 	include/file/FileWriter.h
 	include/file/IFileInput.h
@@ -246,7 +244,6 @@ set(PUBLIC_HDR
 	include/util/BufferReader.h
 	include/util/ILockable.h
 	include/util/Math3D.h
-	include/util/RingBuffer.h
 	include/util/StreamBuffer.h
 	include/util/ThreadPool.h
 )
@@ -963,10 +960,7 @@ endif()
 if(BUILD_DEMOS)
 	include_directories(${INCLUDE})
 
-	set(DEMOS audainfo audaplay audaconvert audaremap signalgen randsounds dynamicmusic playbackmanager)
-
-	add_executable(audainfo demos/audainfo.cpp)
-	target_link_libraries(audainfo audaspace)
+	set(DEMOS audaplay audaconvert audaremap signalgen randsounds dynamicmusic playbackmanager)
 
 	add_executable(audaplay demos/audaplay.cpp)
 	target_link_libraries(audaplay audaspace)

extern/audaspace/bindings/C/AUD_PlaybackManager.h

@@ -39,7 +39,7 @@ extern AUD_API void AUD_PlaybackManager_free(AUD_PlaybackManager* manager);
 * Plays a sound through the playback manager, adding it into a category.
 * \param manager The PlaybackManager object.
 * \param sound The sound to be played.
-* \param catKey The key of the category into which the sound will be added. If it doesn't exist a new one will be created.
+* \param catKey The key of the category into which the sound will be added. If it doesn't exist a new one will be creatd.
 */
 extern AUD_API void AUD_PlaybackManager_play(AUD_PlaybackManager* manager, AUD_Sound* sound, unsigned int catKey);
 

extern/audaspace/bindings/C/AUD_Sound.cpp

@@ -94,40 +94,6 @@ AUD_API int AUD_Sound_getLength(AUD_Sound* sound)
 	return (*sound)->createReader()->getLength();
 }
 
-AUD_API int AUD_Sound_getFileStreams(AUD_Sound* sound, AUD_StreamInfo **stream_infos)
-{
-	assert(sound);
-
-	std::shared_ptr<File> file = std::dynamic_pointer_cast<File>(*sound);
-
-	if(file)
-	{
-		try
-		{
-			auto streams = file->queryStreams();
-
-			size_t size = sizeof(AUD_StreamInfo) * streams.size();
-
-			if(!size)
-			{
-				*stream_infos = nullptr;
-				return 0;
-			}
-
-			*stream_infos = reinterpret_cast<AUD_StreamInfo*>(std::malloc(size));
-			std::memcpy(*stream_infos, streams.data(), size);
-
-			return streams.size();
-		}
-		catch(Exception&)
-		{
-		}
-	}
-
-	*stream_infos = nullptr;
-	return 0;
-}
-
 AUD_API sample_t* AUD_Sound_data(AUD_Sound* sound, int* length, AUD_Specs* specs)
 {
 	assert(sound);
@@ -286,12 +252,6 @@ AUD_API AUD_Sound* AUD_Sound_bufferFile(unsigned char* buffer, int size)
 	return new AUD_Sound(new File(buffer, size));
 }
 
-AUD_API AUD_Sound* AUD_Sound_bufferFileStream(unsigned char* buffer, int size, int stream)
-{
-	assert(buffer);
-	return new AUD_Sound(new File(buffer, size, stream));
-}
-
 AUD_API AUD_Sound* AUD_Sound_cache(AUD_Sound* sound)
 {
 	assert(sound);
@@ -312,12 +272,6 @@ AUD_API AUD_Sound* AUD_Sound_file(const char* filename)
 	return new AUD_Sound(new File(filename));
 }
 
-AUD_API AUD_Sound* AUD_Sound_fileStream(const char* filename, int stream)
-{
-	assert(filename);
-	return new AUD_Sound(new File(filename, stream));
-}
-
 AUD_API AUD_Sound* AUD_Sound_sawtooth(float frequency, AUD_SampleRate rate)
 {
 	return new AUD_Sound(new Sawtooth(frequency, rate));

extern/audaspace/bindings/C/AUD_Sound.h

@@ -36,15 +36,7 @@ extern AUD_API AUD_Specs AUD_Sound_getSpecs(AUD_Sound* sound);
  * \return The length of the sound in samples.
  * \note This function creates a reader from the sound and deletes it again.
  */
-extern AUD_API int AUD_Sound_getLength(AUD_Sound* sound);
-
-/**
- * Retrieves the stream infos of a sound file.
- * \param sound The sound to retrieve from which must be a file sound.
- * \param infos A pointer to a AUD_StreamInfo array that will be allocated and must afterwards be freed by the caller.
- * \return The number of items in the infos array.
- */
-extern AUD_API int AUD_Sound_getFileStreams(AUD_Sound* sound, AUD_StreamInfo** stream_infos);
+extern AUD_API int AUD_getLength(AUD_Sound* sound);
 
 /**
  * Reads a sound's samples into memory.
@@ -97,15 +89,6 @@ extern AUD_API AUD_Sound* AUD_Sound_buffer(sample_t* data, int length, AUD_Specs
  */
 extern AUD_API AUD_Sound* AUD_Sound_bufferFile(unsigned char* buffer, int size);
 
-/**
- * Loads a sound file from a memory buffer.
- * \param buffer The buffer which contains the sound file.
- * \param size The size of the buffer.
- * \param stream The index of the audio stream within the file if it contains multiple audio streams.
- * \return A handle of the sound file.
- */
-extern AUD_API AUD_Sound* AUD_Sound_bufferFileStream(unsigned char* buffer, int size, int stream);
-
 /**
  * Caches a sound into a memory buffer.
  * \param sound The sound to cache.
@@ -120,14 +103,6 @@ extern AUD_API AUD_Sound* AUD_Sound_cache(AUD_Sound* sound);
  */
 extern AUD_API AUD_Sound* AUD_Sound_file(const char* filename);
 
-/**
- * Loads a sound file.
- * \param filename The filename of the sound file.
- * \param stream The index of the audio stream within the file if it contains multiple audio streams.
- * \return A handle of the sound file.
- */
-extern AUD_API AUD_Sound* AUD_Sound_fileStream(const char* filename, int stream);
-
 /**
  * Creates a sawtooth sound.
  * \param frequency The frequency of the generated sawtooth sound.

extern/audaspace/bindings/C/AUD_Special.cpp

@@ -86,6 +86,7 @@ AUD_API AUD_SoundInfo AUD_getInfo(AUD_Sound* sound)
 	info.specs.channels = AUD_CHANNELS_INVALID;
 	info.specs.rate = AUD_RATE_INVALID;
 	info.length = 0.0f;
+	info.start_offset = 0.0f;
 
 	try
 	{
@@ -95,6 +96,7 @@ AUD_API AUD_SoundInfo AUD_getInfo(AUD_Sound* sound)
 		{
 			info.specs = convSpecToC(reader->getSpecs());
 			info.length = reader->getLength() / (float) info.specs.rate;
+			info.start_offset = reader->getStartOffset();
 		}
 	}
 	catch(Exception&)
@@ -107,7 +109,7 @@ AUD_API AUD_SoundInfo AUD_getInfo(AUD_Sound* sound)
 AUD_API float* AUD_readSoundBuffer(const char* filename, float low, float high,
 						   float attack, float release, float threshold,
 						   int accumulate, int additive, int square,
-						   float sthreshold, double samplerate, int* length, int stream)
+						   float sthreshold, double samplerate, int* length)
 {
 	Buffer buffer;
 	DeviceSpecs specs;
@@ -115,7 +117,7 @@ AUD_API float* AUD_readSoundBuffer(const char* filename, float low, float high,
 	specs.rate = (SampleRate)samplerate;
 	std::shared_ptr<ISound> sound;
 
-	std::shared_ptr<ISound> file = std::shared_ptr<ISound>(new File(filename, stream));
+	std::shared_ptr<ISound> file = std::shared_ptr<ISound>(new File(filename));
 
 	int position = 0;
 
@@ -245,7 +247,7 @@ AUD_API int AUD_readSound(AUD_Sound* sound, float* buffer, int length, int sampl
 
 		buffer[i * 3] = min;
 		buffer[i * 3 + 1] = max;
-		buffer[i * 3 + 2] = std::sqrt(power / len);
+		buffer[i * 3 + 2] = sqrt(power / len); // RMS
 
 		if(overallmax < max)
 			overallmax = max;

extern/audaspace/bindings/C/AUD_Special.h

@@ -37,7 +37,7 @@ extern AUD_API float* AUD_readSoundBuffer(const char* filename, float low, float
 								  float attack, float release, float threshold,
 								  int accumulate, int additive, int square,
 								  float sthreshold, double samplerate,
-								  int* length, int stream);
+								  int* length);
 
 /**
  * Pauses a playing sound after a specific amount of time.

extern/audaspace/bindings/C/AUD_Types.h

@@ -176,17 +176,5 @@ typedef struct
 {
 	AUD_Specs specs;
 	float length;
+	double start_offset;
 } AUD_SoundInfo;
-
-/// Specification of a sound source.
-typedef struct
-{
-	/// Start time in seconds.
-	double start;
-
-	/// Duration in seconds. May be estimated or 0 if unknown.
-	double duration;
-
-	/// Audio data parameters.
-	AUD_DeviceSpecs specs;
-} AUD_StreamInfo;

extern/audaspace/bindings/python/PySound.cpp

@@ -89,11 +89,10 @@ Sound_new(PyTypeObject* type, PyObject* args, PyObject* kwds)
 	self = (Sound*)type->tp_alloc(type, 0);
 	if(self != nullptr)
 	{
-		static const char* kwlist[] = {"filename", "stream", nullptr};
+		static const char* kwlist[] = {"filename", nullptr};
 		const char* filename = nullptr;
-		int stream = 0;
 
-		if(!PyArg_ParseTupleAndKeywords(args, kwds, "s|i:Sound", const_cast<char**>(kwlist), &filename, &stream))
+		if(!PyArg_ParseTupleAndKeywords(args, kwds, "s:Sound", const_cast<char**>(kwlist), &filename))
 		{
 			Py_DECREF(self);
 			return nullptr;
@@ -101,7 +100,7 @@ Sound_new(PyTypeObject* type, PyObject* args, PyObject* kwds)
 
 		try
 		{
-			self->sound = new std::shared_ptr<ISound>(new File(filename, stream));
+			self->sound = new std::shared_ptr<ISound>(new File(filename));
 		}
 		catch(Exception& e)
 		{
@@ -408,9 +407,8 @@ static PyObject *
 Sound_file(PyTypeObject* type, PyObject* args)
 {
 	const char* filename = nullptr;
-	int stream = 0;
 
-	if(!PyArg_ParseTuple(args, "s|i:file", &filename, &stream))
+	if(!PyArg_ParseTuple(args, "s:file", &filename))
 		return nullptr;
 
 	Sound* self;
@@ -420,7 +418,7 @@ Sound_file(PyTypeObject* type, PyObject* args)
 	{
 		try
 		{
-			self->sound = new std::shared_ptr<ISound>(new File(filename, stream));
+			self->sound = new std::shared_ptr<ISound>(new File(filename));
 		}
 		catch(Exception& e)
 		{

extern/audaspace/include/IReader.h

@@ -70,6 +70,12 @@ public:
 	 */
 	virtual int getPosition() const=0;
 
+	/**
+	 * Returns the start offset the sound should have to line up with related sources.
+	 * \return The required start offset in seconds.
+	 */
+	virtual double getStartOffset() const { return 0.0;}
+
 	/**
 	 * Returns the specification of the reader.
 	 * \return The Specs structure.

extern/audaspace/include/file/File.h

@@ -23,11 +23,9 @@
  */
 
 #include "ISound.h"
-#include "FileInfo.h"
 
 #include <string>
 #include <memory>
-#include <vector>
 
 AUD_NAMESPACE_BEGIN
 
@@ -50,14 +48,6 @@ private:
 	 */
 	std::shared_ptr<Buffer> m_buffer;
 
-	/**
-	 * The index of the stream within the file if it contains multiple.
-	 * The first audio stream in the file has index 0 and the index increments by one
-	 * for every other audio stream in the file. Other types of streams in the file
-	 * do not count.
-	 */
-	int m_stream;
-
 	// delete copy constructor and operator=
 	File(const File&) = delete;
 	File& operator=(const File&) = delete;
@@ -67,25 +57,16 @@ public:
 	 * Creates a new sound.
 	 * The file is read from the file system using the given path.
 	 * \param filename The sound file path.
-	 * \param stream The index of the audio stream within the file if it contains multiple audio streams.
 	 */
-	File(std::string filename, int stream = 0);
+	File(std::string filename);
 
 	/**
 	 * Creates a new sound.
 	 * The file is read from memory using the supplied buffer.
 	 * \param buffer The buffer to read from.
 	 * \param size The size of the buffer.
-	 * \param stream The index of the audio stream within the file if it contains multiple audio streams.
 	 */
-	File(const data_t* buffer, int size, int stream = 0);
-
-	/**
-	 * Queries the streams of the file.
-	 * \return A vector with as many streams as there are in the file.
-	 * \exception Exception Thrown if the file specified cannot be read.
-	 */
-	std::vector<StreamInfo> queryStreams();
+	File(const data_t* buffer, int size);
 
 	virtual std::shared_ptr<IReader> createReader();
 };

extern/audaspace/include/file/FileInfo.h

@@ -1,42 +0,0 @@
-/*******************************************************************************
- * Copyright 2009-2016 Jörg Müller
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- ******************************************************************************/
-
-#pragma once
-
-/**
- * @file FileInfo.h
- * @ingroup file
- * The FileInfo data structures.
- */
-
-#include "respec/Specification.h"
-
-AUD_NAMESPACE_BEGIN
-
-/// Specification of a sound source.
-struct StreamInfo
-{
-	/// Start time in seconds.
-	double start;
-
-	/// Duration in seconds. May be estimated or 0 if unknown.
-	double duration;
-
-	/// Audio data parameters.
-	DeviceSpecs specs;
-};
-
-AUD_NAMESPACE_END

extern/audaspace/include/file/FileManager.h

@@ -22,14 +22,12 @@
  * The FileManager class.
  */
 
-#include "FileInfo.h"
 #include "respec/Specification.h"
 #include "IWriter.h"
 
 #include <list>
 #include <memory>
 #include <string>
-#include <vector>
 
 AUD_NAMESPACE_BEGIN
 
@@ -68,36 +66,18 @@ public:
 	/**
 	 * Creates a file reader for the given filename if a registed IFileInput is able to read it.
 	 * @param filename The path to the file.
-	 * @param stream The index of the audio stream within the file if it contains multiple audio streams.
 	 * @return The reader created.
 	 * @exception Exception If no file input can read the file an exception is thrown.
 	 */
-	static std::shared_ptr<IReader> createReader(std::string filename, int stream = 0);
+	static std::shared_ptr<IReader> createReader(std::string filename);
 
 	/**
 	 * Creates a file reader for the given buffer if a registed IFileInput is able to read it.
 	 * @param buffer The buffer to read the file from.
-	 * @param stream The index of the audio stream within the file if it contains multiple audio streams.
 	 * @return The reader created.
 	 * @exception Exception If no file input can read the file an exception is thrown.
 	 */
-	static std::shared_ptr<IReader> createReader(std::shared_ptr<Buffer> buffer, int stream = 0);
-
-	/**
-	 * Queries the streams of a sound file.
-	 * \param filename Path to the file to be read.
-	 * \return A vector with as many streams as there are in the file.
-	 * \exception Exception Thrown if the file specified cannot be read.
-	 */
-	static std::vector<StreamInfo> queryStreams(std::string filename);
-
-	/**
-	 * Queries the streams of a sound file.
-	 * \param buffer The in-memory file buffer.
-	 * \return A vector with as many streams as there are in the file.
-	 * \exception Exception Thrown if the file specified cannot be read.
-	 */
-	static std::vector<StreamInfo> queryStreams(std::shared_ptr<Buffer> buffer);
+	static std::shared_ptr<IReader> createReader(std::shared_ptr<Buffer> buffer);
 
 	/**
 	 * Creates a file writer that writes a sound to the given file path.

extern/audaspace/include/file/IFileInput.h

@@ -23,11 +23,9 @@
  */
 
 #include "Audaspace.h"
-#include "FileInfo.h"
 
 #include <memory>
 #include <string>
-#include <vector>
 
 AUD_NAMESPACE_BEGIN
 
@@ -50,36 +48,18 @@ public:
 	/**
 	 * Creates a reader for a file to be read.
 	 * \param filename Path to the file to be read.
-	 * \param stream The index of the audio stream within the file if it contains multiple audio streams.
 	 * \return The reader that reads the file.
 	 * \exception Exception Thrown if the file specified cannot be read.
 	 */
-	virtual std::shared_ptr<IReader> createReader(std::string filename, int stream = 0)=0;
+	virtual std::shared_ptr<IReader> createReader(std::string filename)=0;
 
 	/**
 	 * Creates a reader for a file to be read from memory.
 	 * \param buffer The in-memory file buffer.
-	 * \param stream The index of the audio stream within the file if it contains multiple audio streams.
 	 * \return The reader that reads the file.
 	 * \exception Exception Thrown if the file specified cannot be read.
 	 */
-	virtual std::shared_ptr<IReader> createReader(std::shared_ptr<Buffer> buffer, int stream = 0)=0;
-
-	/**
-	 * Queries the streams of a sound file.
-	 * \param filename Path to the file to be read.
-	 * \return A vector with as many streams as there are in the file.
-	 * \exception Exception Thrown if the file specified cannot be read.
-	 */
-	virtual std::vector<StreamInfo> queryStreams(std::string filename)=0;
-
-	/**
-	 * Queries the streams of a sound file.
-	 * \param buffer The in-memory file buffer.
-	 * \return A vector with as many streams as there are in the file.
-	 * \exception Exception Thrown if the file specified cannot be read.
-	 */
-	virtual std::vector<StreamInfo> queryStreams(std::shared_ptr<Buffer> buffer)=0;
+	virtual std::shared_ptr<IReader> createReader(std::shared_ptr<Buffer> buffer)=0;
 };
 
 AUD_NAMESPACE_END

extern/audaspace/include/fx/VolumeReader.h

@@ -67,4 +67,4 @@ public:
 	virtual void read(int& length, bool& eos, sample_t* buffer);
 };
 
-AUD_NAMESPACE_END
+AUD_NAMESPACE_END

extern/audaspace/include/util/RingBuffer.h

@@ -1,97 +0,0 @@
-/*******************************************************************************
- * Copyright 2009-2021 Jörg Müller
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- ******************************************************************************/
-
-#pragma once
-
-/**
- * @file RingBuffer.h
- * @ingroup util
- * The RingBuffer class.
- */
-
-#include "Audaspace.h"
-#include "Buffer.h"
-
-#include <cstddef>
-
-AUD_NAMESPACE_BEGIN
-
-/**
- * This class is a simple ring buffer in RAM which is 32 Byte aligned and provides
- * functionality for concurrent reading and writting without locks.
- */
-class AUD_API RingBuffer
-{
-private:
-	/// The buffer storing the actual data.
-	Buffer m_buffer;
-
-	/// The reading pointer.
-	volatile size_t m_read;
-
-	/// The writing pointer.
-	volatile size_t m_write;
-
-	// delete copy constructor and operator=
-	RingBuffer(const RingBuffer&) = delete;
-	RingBuffer& operator=(const RingBuffer&) = delete;
-
-public:
-	/**
-	 * Creates a new ring buffer.
-	 * \param size The size of the buffer in bytes.
-	 */
-	RingBuffer(int size = 0);
-
-	/**
-	 * Returns the pointer to the ring buffer in memory.
-	 */
-	sample_t* getBuffer() const;
-
-	/**
-	 * Returns the size of the ring buffer in bytes.
-	 */
-	int getSize() const;
-
-	size_t getReadSize() const;
-
-	size_t getWriteSize() const;
-
-	size_t read(data_t* target, size_t size);
-
-	size_t write(data_t* source, size_t size);
-
-	/**
-	 * Resets the ring buffer to a state where nothing has been written or read.
-	 */
-	void reset();
-
-	/**
-	 * Resizes the ring buffer.
-	 * \param size The new size of the ring buffer, measured in bytes.
-	 */
-	void resize(int size);
-
-	/**
-	 * Makes sure the ring buffer has a minimum size.
-	 * If size is >= current size, nothing will happen.
-	 * Otherwise the ring buffer is resized with keep as parameter.
-	 * \param size The new minimum size of the ring buffer, measured in bytes.
-	 */
-	void assureSize(int size);
-};
-
-AUD_NAMESPACE_END

extern/audaspace/plugins/ffmpeg/FFMPEG.cpp

@@ -35,24 +35,14 @@ void FFMPEG::registerPlugin()
 	FileManager::registerOutput(plugin);
 }
 
-std::shared_ptr<IReader> FFMPEG::createReader(std::string filename, int stream)
+std::shared_ptr<IReader> FFMPEG::createReader(std::string filename)
 {
-	return std::shared_ptr<IReader>(new FFMPEGReader(filename, stream));
+	return std::shared_ptr<IReader>(new FFMPEGReader(filename));
 }
 
-std::shared_ptr<IReader> FFMPEG::createReader(std::shared_ptr<Buffer> buffer, int stream)
+std::shared_ptr<IReader> FFMPEG::createReader(std::shared_ptr<Buffer> buffer)
 {
-	return std::shared_ptr<IReader>(new FFMPEGReader(buffer, stream));
-}
-
-std::vector<StreamInfo> FFMPEG::queryStreams(std::string filename)
-{
-	return FFMPEGReader(filename).queryStreams();
-}
-
-std::vector<StreamInfo> FFMPEG::queryStreams(std::shared_ptr<Buffer> buffer)
-{
-	return FFMPEGReader(buffer).queryStreams();
+	return std::shared_ptr<IReader>(new FFMPEGReader(buffer));
 }
 
 std::shared_ptr<IWriter> FFMPEG::createWriter(std::string filename, DeviceSpecs specs, Container format, Codec codec, unsigned int bitrate)

extern/audaspace/plugins/ffmpeg/FFMPEG.h

@@ -52,10 +52,8 @@ public:
 	 */
 	static void registerPlugin();
 
-	virtual std::shared_ptr<IReader> createReader(std::string filename, int stream = 0);
-	virtual std::shared_ptr<IReader> createReader(std::shared_ptr<Buffer> buffer, int stream = 0);
-	virtual std::vector<StreamInfo> queryStreams(std::string filename);
-	virtual std::vector<StreamInfo> queryStreams(std::shared_ptr<Buffer> buffer);
+	virtual std::shared_ptr<IReader> createReader(std::string filename);
+	virtual std::shared_ptr<IReader> createReader(std::shared_ptr<Buffer> buffer);
 	virtual std::shared_ptr<IWriter> createWriter(std::string filename, DeviceSpecs specs, Container format, Codec codec, unsigned int bitrate);
 };
 

extern/audaspace/plugins/ffmpeg/FFMPEGReader.cpp

@@ -31,25 +31,6 @@ AUD_NAMESPACE_BEGIN
 #define FFMPEG_OLD_CODE
 #endif
 
-SampleFormat FFMPEGReader::convertSampleFormat(AVSampleFormat format)
-{
-	switch(av_get_packed_sample_fmt(format))
-	{
-	case AV_SAMPLE_FMT_U8:
-		return FORMAT_U8;
-	case AV_SAMPLE_FMT_S16:
-		return FORMAT_S16;
-	case AV_SAMPLE_FMT_S32:
-		return FORMAT_S32;
-	case AV_SAMPLE_FMT_FLT:
-		return FORMAT_FLOAT32;
-	case AV_SAMPLE_FMT_DBL:
-		return FORMAT_FLOAT64;
-	default:
-		AUD_THROW(FileException, "FFMPEG sample format unknown.");
-	}
-}
-
 int FFMPEGReader::decode(AVPacket& packet, Buffer& buffer)
 {
 	int buf_size = buffer.getSize();
@@ -87,7 +68,7 @@ int FFMPEGReader::decode(AVPacket& packet, Buffer& buffer)
 					for(int i = 0; i < m_frame->nb_samples; i++)
 					{
 						std::memcpy(((data_t*)buffer.getBuffer()) + buf_pos + ((m_codecCtx->channels * i) + channel) * single_size,
-							   m_frame->data[channel] + i * single_size, single_size);
+								 m_frame->data[channel] + i * single_size, single_size);
 					}
 				}
 			}
@@ -128,7 +109,7 @@ int FFMPEGReader::decode(AVPacket& packet, Buffer& buffer)
 				for(int i = 0; i < m_frame->nb_samples; i++)
 				{
 					std::memcpy(((data_t*)buffer.getBuffer()) + buf_pos + ((m_codecCtx->channels * i) + channel) * single_size,
-						   m_frame->data[channel] + i * single_size, single_size);
+							 m_frame->data[channel] + i * single_size, single_size);
 				}
 			}
 		}
@@ -142,10 +123,13 @@ int FFMPEGReader::decode(AVPacket& packet, Buffer& buffer)
 	return buf_pos;
 }
 
-void FFMPEGReader::init(int stream)
+void FFMPEGReader::init()
 {
 	m_position = 0;
+	m_start_offset = 0.0f;
 	m_pkgbuf_left = 0;
+	m_st_time = 0;
+	m_duration = 0;
 
 	if(avformat_find_stream_info(m_formatCtx, nullptr) < 0)
 		AUD_THROW(FileException, "File couldn't be read, ffmpeg couldn't find the stream info.");
@@ -153,22 +137,43 @@ void FFMPEGReader::init(int stream)
 	// find audio stream and codec
 	m_stream = -1;
 
+	double dur_sec = 0;
+
 	for(unsigned int i = 0; i < m_formatCtx->nb_streams; i++)
 	{
 #ifdef FFMPEG_OLD_CODE
-		if((m_formatCtx->streams[i]->codec->codec_type == AVMEDIA_TYPE_AUDIO)
+		if(m_formatCtx->streams[i]->codec->codec_type == AVMEDIA_TYPE_AUDIO)
 #else
-		if((m_formatCtx->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
+		if(m_formatCtx->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
 #endif
-			&& (m_stream < 0))
 		{
-			if(stream == 0)
+			AVStream *audio_stream = m_formatCtx->streams[i];
+			double audio_timebase = av_q2d(audio_stream->time_base);
+
+			if (audio_stream->start_time != AV_NOPTS_VALUE)
 			{
-				m_stream=i;
-				break;
+				m_st_time = audio_stream->start_time;
+			}
+
+			int64_t ctx_start_time = 0;
+			if (m_formatCtx->start_time != AV_NOPTS_VALUE) {
+				ctx_start_time = m_formatCtx->start_time;
+			}
+
+			m_start_offset = m_st_time * audio_timebase - (double)ctx_start_time / AV_TIME_BASE;
+
+			if(audio_stream->duration != AV_NOPTS_VALUE)
+			{
+				dur_sec = audio_stream->duration * audio_timebase;
 			}
 			else
-				stream--;
+			{
+				/* If the audio starts after the stream start time, subract this from the total duration. */
+				dur_sec = (double)m_formatCtx->duration / AV_TIME_BASE - m_start_offset;
+			}
+
+			m_stream=i;
+			break;
 		}
 	}
 
@@ -237,9 +242,10 @@ void FFMPEGReader::init(int stream)
 	}
 
 	m_specs.rate = (SampleRate) m_codecCtx->sample_rate;
+	m_duration = lround(dur_sec * m_codecCtx->sample_rate);
 }
 
-FFMPEGReader::FFMPEGReader(std::string filename, int stream) :
+FFMPEGReader::FFMPEGReader(std::string filename) :
 	m_pkgbuf(),
 	m_formatCtx(nullptr),
 	m_codecCtx(nullptr),
@@ -253,7 +259,7 @@ FFMPEGReader::FFMPEGReader(std::string filename, int stream) :
 
 	try
 	{
-		init(stream);
+		init();
 	}
 	catch(Exception&)
 	{
@@ -262,7 +268,7 @@ FFMPEGReader::FFMPEGReader(std::string filename, int stream) :
 	}
 }
 
-FFMPEGReader::FFMPEGReader(std::shared_ptr<Buffer> buffer, int stream) :
+FFMPEGReader::FFMPEGReader(std::shared_ptr<Buffer> buffer) :
 		m_pkgbuf(),
 		m_codecCtx(nullptr),
 		m_frame(nullptr),
@@ -289,7 +295,7 @@ FFMPEGReader::FFMPEGReader(std::shared_ptr<Buffer> buffer, int stream) :
 
 	try
 	{
-		init(stream);
+		init();
 	}
 	catch(Exception&)
 	{
@@ -312,51 +318,6 @@ FFMPEGReader::~FFMPEGReader()
 	avformat_close_input(&m_formatCtx);
 }
 
-std::vector<StreamInfo> FFMPEGReader::queryStreams()
-{
-	std::vector<StreamInfo> result;
-
-	for(unsigned int i = 0; i < m_formatCtx->nb_streams; i++)
-	{
-#ifdef FFMPEG_OLD_CODE
-		if(m_formatCtx->streams[i]->codec->codec_type == AVMEDIA_TYPE_AUDIO)
-#else
-		if(m_formatCtx->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
-#endif
-		{
-			StreamInfo info;
-
-			double time_base = av_q2d(m_formatCtx->streams[i]->time_base);
-
-			if(m_formatCtx->streams[i]->start_time != AV_NOPTS_VALUE)
-				info.start = m_formatCtx->streams[i]->start_time * time_base;
-			else
-				info.start = 0;
-
-			if(m_formatCtx->streams[i]->duration != AV_NOPTS_VALUE)
-				info.duration = m_formatCtx->streams[i]->duration * time_base;
-			else if(m_formatCtx->duration != AV_NOPTS_VALUE)
-				info.duration = double(m_formatCtx->duration) / AV_TIME_BASE - info.start;
-			else
-				info.duration = 0;
-
-#ifdef FFMPEG_OLD_CODE
-			info.specs.channels = Channels(m_formatCtx->streams[i]->codec->channels);
-			info.specs.rate = m_formatCtx->streams[i]->codec->sample_rate;
-			info.specs.format = convertSampleFormat(m_formatCtx->streams[i]->codec->sample_fmt);
-#else
-			info.specs.channels = Channels(m_formatCtx->streams[i]->codecpar->channels);
-			info.specs.rate = m_formatCtx->streams[i]->codecpar->sample_rate;
-			info.specs.format = convertSampleFormat(AVSampleFormat(m_formatCtx->streams[i]->codecpar->format));
-#endif
-
-			result.emplace_back(info);
-		}
-	}
-
-	return result;
-}
-
 int FFMPEGReader::read_packet(void* opaque, uint8_t* buf, int buf_size)
 {
 	FFMPEGReader* reader = reinterpret_cast<FFMPEGReader*>(opaque);
@@ -407,16 +368,18 @@ void FFMPEGReader::seek(int position)
 {
 	if(position >= 0)
 	{
-		double pts_time_base = av_q2d(m_formatCtx->streams[m_stream]->time_base);
+		double pts_time_base =
+			av_q2d(m_formatCtx->streams[m_stream]->time_base);
 
-		uint64_t st_time = m_formatCtx->streams[m_stream]->start_time;
-		uint64_t seek_pos = (uint64_t)(position / (pts_time_base * m_specs.rate));
+		uint64_t seek_pts = (((uint64_t)position) / ((uint64_t)m_specs.rate)) / pts_time_base;
 
-		if(st_time != AV_NOPTS_VALUE)
-			seek_pos += st_time;
+		if(m_st_time != AV_NOPTS_VALUE) {
+			seek_pts += m_st_time;
+		}
 
 		// a value < 0 tells us that seeking failed
-		if(av_seek_frame(m_formatCtx, m_stream, seek_pos, AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY) >= 0)
+		if(av_seek_frame(m_formatCtx, m_stream, seek_pts,
+				 AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY) >= 0)
 		{
 			avcodec_flush_buffers(m_codecCtx);
 			m_position = position;
@@ -437,7 +400,7 @@ void FFMPEGReader::seek(int position)
 					if(packet.pts != AV_NOPTS_VALUE)
 					{
 						// calculate real position, and read to frame!
-						m_position = (packet.pts - (st_time != AV_NOPTS_VALUE ? st_time : 0)) * pts_time_base * m_specs.rate;
+						m_position = (packet.pts - m_st_time) * pts_time_base * m_specs.rate;
 
 						if(m_position < position)
 						{
@@ -467,25 +430,8 @@ void FFMPEGReader::seek(int position)
 
 int FFMPEGReader::getLength() const
 {
-	auto stream = m_formatCtx->streams[m_stream];
-
-	double time_base = av_q2d(stream->time_base);
-	double duration;
-
-	if(stream->duration != AV_NOPTS_VALUE)
-		duration = stream->duration * time_base;
-	else if(m_formatCtx->duration != AV_NOPTS_VALUE)
-	{
-		duration = float(m_formatCtx->duration) / AV_TIME_BASE;
-
-		if(stream->start_time != AV_NOPTS_VALUE)
-			duration -= stream->start_time * time_base;
-	}
-	else
-		duration = -1;
-
 	// return approximated remaning size
-	return (int)(duration * m_codecCtx->sample_rate) - m_position;
+	return m_duration - m_position;
 }
 
 int FFMPEGReader::getPosition() const
@@ -493,6 +439,11 @@ int FFMPEGReader::getPosition() const
 	return m_position;
 }
 
+double FFMPEGReader::getStartOffset() const
+{
+	return m_start_offset;
+}
+
 Specs FFMPEGReader::getSpecs() const
 {
 	return m_specs.specs;
@@ -529,11 +480,13 @@ void FFMPEGReader::read(int& length, bool& eos, sample_t* buffer)
 			// decode the package
 			pkgbuf_pos = decode(packet, m_pkgbuf);
 
-			// copy to output buffer
-			data_size = std::min(pkgbuf_pos, left * sample_size);
-			m_convert((data_t*) buf, (data_t*) m_pkgbuf.getBuffer(), data_size / AUD_FORMAT_SIZE(m_specs.format));
-			buf += data_size / AUD_FORMAT_SIZE(m_specs.format);
-			left -= data_size / sample_size;
+			if (packet.pts >= m_st_time) {
+				// copy to output buffer
+				data_size = std::min(pkgbuf_pos, left * sample_size);
+				m_convert((data_t*) buf, (data_t*) m_pkgbuf.getBuffer(), data_size / AUD_FORMAT_SIZE(m_specs.format));
+				buf += data_size / AUD_FORMAT_SIZE(m_specs.format);
+				left -= data_size / sample_size;
+			}
 		}
 		av_packet_unref(&packet);
 	}

extern/audaspace/plugins/ffmpeg/FFMPEGReader.h

@@ -29,11 +29,9 @@
 #include "respec/ConverterFunctions.h"
 #include "IReader.h"
 #include "util/Buffer.h"
-#include "file/FileInfo.h"
 
 #include <string>
 #include <memory>
-#include <vector>
 
 struct AVCodecContext;
 extern "C" {
@@ -56,6 +54,22 @@ private:
 	 */
 	int m_position;
 
+	/**
+	 * The start offset in seconds relative to the media container start time.
+	 * IE how much the sound should be delayed to be kept in sync with the rest of the containter streams.
+	 */
+	double m_start_offset;
+
+	/**
+	 * The start time pts of the stream. All packets before this timestamp shouldn't be played back (only decoded).
+	 */
+	int64_t m_st_time;
+
+	/**
+	 * The duration of the audio stream in samples.
+	 */
+	int64_t m_duration;
+
 	/**
 	 * The specification of the audio data.
 	 */
@@ -121,13 +135,6 @@ private:
 	 */
 	bool m_tointerleave;
 
-	/**
-	 * Converts an ffmpeg sample format to an audaspace one.
-	 * \param format The AVSampleFormat sample format.
-	 * \return The sample format as SampleFormat.
-	 */
-	AUD_LOCAL static SampleFormat convertSampleFormat(AVSampleFormat format);
-
 	/**
 	 * Decodes a packet into the given buffer.
 	 * \param packet The AVPacket to decode.
@@ -138,9 +145,8 @@ private:
 
 	/**
 	 * Initializes the object.
-	 * \param stream The index of the audio stream within the file if it contains multiple audio streams.
 	 */
-	AUD_LOCAL void init(int stream);
+	AUD_LOCAL void init();
 
 	// delete copy constructor and operator=
 	FFMPEGReader(const FFMPEGReader&) = delete;
@@ -150,33 +156,24 @@ public:
 	/**
 	 * Creates a new reader.
 	 * \param filename The path to the file to be read.
-	 * \param stream The index of the audio stream within the file if it contains multiple audio streams.
 	 * \exception Exception Thrown if the file specified does not exist or
 	 *            cannot be read with ffmpeg.
 	 */
-	FFMPEGReader(std::string filename, int stream = 0);
+	FFMPEGReader(std::string filename);
 
 	/**
 	 * Creates a new reader.
 	 * \param buffer The buffer to read from.
-	 * \param stream The index of the audio stream within the file if it contains multiple audio streams.
 	 * \exception Exception Thrown if the buffer specified cannot be read
 	 *                          with ffmpeg.
 	 */
-	FFMPEGReader(std::shared_ptr<Buffer> buffer, int stream = 0);
+	FFMPEGReader(std::shared_ptr<Buffer> buffer);
 
 	/**
 	 * Destroys the reader and closes the file.
 	 */
 	virtual ~FFMPEGReader();
 
-	/**
-	 * Queries the streams of a sound file.
-	 * \return A vector with as many streams as there are in the file.
-	 * \exception Exception Thrown if the file specified cannot be read.
-	 */
-	virtual std::vector<StreamInfo> queryStreams();
-
 	/**
 	 * Reads data to a memory buffer.
 	 * This function is used for avio only.
@@ -201,6 +198,7 @@ public:
 	virtual void seek(int position);
 	virtual int getLength() const;
 	virtual int getPosition() const;
+	virtual double getStartOffset() const;
 	virtual Specs getSpecs() const;
 	virtual void read(int& length, bool& eos, sample_t* buffer);
 };

extern/audaspace/plugins/libsndfile/SndFile.cpp

@@ -32,26 +32,16 @@ void SndFile::registerPlugin()
 	FileManager::registerOutput(plugin);
 }
 
-std::shared_ptr<IReader> SndFile::createReader(std::string filename, int stream)
+std::shared_ptr<IReader> SndFile::createReader(std::string filename)
 {
 	return std::shared_ptr<IReader>(new SndFileReader(filename));
 }
 
-std::shared_ptr<IReader> SndFile::createReader(std::shared_ptr<Buffer> buffer, int stream)
+std::shared_ptr<IReader> SndFile::createReader(std::shared_ptr<Buffer> buffer)
 {
 	return std::shared_ptr<IReader>(new SndFileReader(buffer));
 }
 
-std::vector<StreamInfo> SndFile::queryStreams(std::string filename)
-{
-	return SndFileReader(filename).queryStreams();
-}
-
-std::vector<StreamInfo> SndFile::queryStreams(std::shared_ptr<Buffer> buffer)
-{
-	return SndFileReader(buffer).queryStreams();
-}
-
 std::shared_ptr<IWriter> SndFile::createWriter(std::string filename, DeviceSpecs specs, Container format, Codec codec, unsigned int bitrate)
 {
 	return std::shared_ptr<IWriter>(new SndFileWriter(filename, specs, format, codec, bitrate));

extern/audaspace/plugins/libsndfile/SndFile.h

@@ -52,10 +52,8 @@ public:
 	 */
 	static void registerPlugin();
 
-	virtual std::shared_ptr<IReader> createReader(std::string filename, int stream = 0);
-	virtual std::shared_ptr<IReader> createReader(std::shared_ptr<Buffer> buffer, int stream = 0);
-	virtual std::vector<StreamInfo> queryStreams(std::string filename);
-	virtual std::vector<StreamInfo> queryStreams(std::shared_ptr<Buffer> buffer);
+	virtual std::shared_ptr<IReader> createReader(std::string filename);
+	virtual std::shared_ptr<IReader> createReader(std::shared_ptr<Buffer> buffer);
 	virtual std::shared_ptr<IWriter> createWriter(std::string filename, DeviceSpecs specs, Container format, Codec codec, unsigned int bitrate);
 };
 

extern/audaspace/plugins/libsndfile/SndFileReader.cpp

@@ -118,21 +118,6 @@ SndFileReader::~SndFileReader()
 	sf_close(m_sndfile);
 }
 
-std::vector<StreamInfo> SndFileReader::queryStreams()
-{
-	std::vector<StreamInfo> result;
-
-	StreamInfo info;
-	info.start = 0;
-	info.duration = double(getLength()) / m_specs.rate;
-	info.specs.specs = m_specs;
-	info.specs.format = FORMAT_FLOAT32;
-
-	result.emplace_back(info);
-
-	return result;
-}
-
 bool SndFileReader::isSeekable() const
 {
 	return m_seekable;

extern/audaspace/plugins/libsndfile/SndFileReader.h

@@ -28,12 +28,9 @@
  * The SndFileReader class.
  */
 
-#include "file/FileInfo.h"
-
 #include <string>
 #include <sndfile.h>
 #include <memory>
-#include <vector>
 
 AUD_NAMESPACE_BEGIN
 
@@ -99,7 +96,6 @@ public:
 	/**
 	 * Creates a new reader.
 	 * \param filename The path to the file to be read.
-	 * \param stream The index of the audio stream within the file if it contains multiple audio streams.
 	 * \exception Exception Thrown if the file specified does not exist or
 	 *            cannot be read with libsndfile.
 	 */
@@ -108,7 +104,6 @@ public:
 	/**
 	 * Creates a new reader.
 	 * \param buffer The buffer to read from.
-	 * \param stream The index of the audio stream within the file if it contains multiple audio streams.
 	 * \exception Exception Thrown if the buffer specified cannot be read
 	 *                          with libsndfile.
 	 */
@@ -119,13 +114,6 @@ public:
 	 */
 	virtual ~SndFileReader();
 
-	/**
-	 * Queries the streams of a sound file.
-	 * \return A vector with as many streams as there are in the file.
-	 * \exception Exception Thrown if the file specified cannot be read.
-	 */
-	virtual std::vector<StreamInfo> queryStreams();
-
 	virtual bool isSeekable() const;
 	virtual void seek(int position);
 	virtual int getLength() const;

extern/audaspace/plugins/pulseaudio/PulseAudioDevice.cpp

@@ -23,121 +23,95 @@
 
 AUD_NAMESPACE_BEGIN
 
-PulseAudioDevice::PulseAudioSynchronizer::PulseAudioSynchronizer(PulseAudioDevice *device) :
-	m_device(device)
-{
-}
-
-double PulseAudioDevice::PulseAudioSynchronizer::getPosition(std::shared_ptr<IHandle> handle)
-{
-	pa_usec_t latency;
-	int negative;
-	AUD_pa_stream_get_latency(m_device->m_stream, &latency, &negative);
-
-	double delay = m_device->m_ring_buffer.getReadSize() / (AUD_SAMPLE_SIZE(m_device->m_specs) * m_device->m_specs.rate) + latency * 1.0e-6;
-
-	return handle->getPosition() - delay;
-}
-
-void PulseAudioDevice::updateRingBuffer()
-{
-	unsigned int samplesize = AUD_SAMPLE_SIZE(m_specs);
-
-	std::unique_lock<std::mutex> lock(m_mixingLock);
-
-	Buffer buffer;
-
-	while(m_valid)
-	{
-		size_t size = m_ring_buffer.getWriteSize();
-
-		size_t sample_count = size / samplesize;
-
-		if(sample_count > 0)
-		{
-			size = sample_count * samplesize;
-
-			buffer.assureSize(size);
-
-			mix(reinterpret_cast<data_t*>(buffer.getBuffer()), sample_count);
-
-			m_ring_buffer.write(reinterpret_cast<data_t*>(buffer.getBuffer()), size);
-		}
-
-		m_mixingCondition.wait(lock);
-	}
-}
-
 void PulseAudioDevice::PulseAudio_state_callback(pa_context *context, void *data)
 {
 	PulseAudioDevice* device = (PulseAudioDevice*)data;
 
-	device->m_state = AUD_pa_context_get_state(context);
+	std::lock_guard<ILockable> lock(*device);
 
-	AUD_pa_threaded_mainloop_signal(device->m_mainloop, 0);
+	device->m_state = AUD_pa_context_get_state(context);
 }
 
 void PulseAudioDevice::PulseAudio_request(pa_stream *stream, size_t total_bytes, void *data)
 {
 	PulseAudioDevice* device = (PulseAudioDevice*)data;
 
-	data_t* buffer;
-
-	size_t sample_size = AUD_DEVICE_SAMPLE_SIZE(device->m_specs);
+	void* buffer;
 
 	while(total_bytes > 0)
 	{
 		size_t num_bytes = total_bytes;
 
-		AUD_pa_stream_begin_write(stream, reinterpret_cast<void**>(&buffer), &num_bytes);
+		AUD_pa_stream_begin_write(stream, &buffer, &num_bytes);
 
-		size_t readsamples = device->m_ring_buffer.getReadSize();
+		device->mix((data_t*)buffer, num_bytes / AUD_DEVICE_SAMPLE_SIZE(device->m_specs));
 
-		readsamples = std::min(readsamples, size_t(num_bytes)) / sample_size;
-
-		device->m_ring_buffer.read(buffer, readsamples * sample_size);
-
-		if(readsamples * sample_size < num_bytes)
-			std::memset(buffer + readsamples * sample_size, 0, num_bytes - readsamples * sample_size);
-
-		if(device->m_mixingLock.try_lock())
-		{
-			device->m_mixingCondition.notify_all();
-			device->m_mixingLock.unlock();
-		}
-
-		AUD_pa_stream_write(stream, reinterpret_cast<void*>(buffer), num_bytes, nullptr, 0, PA_SEEK_RELATIVE);
+		AUD_pa_stream_write(stream, buffer, num_bytes, nullptr, 0, PA_SEEK_RELATIVE);
 
 		total_bytes -= num_bytes;
 	}
 }
 
-void PulseAudioDevice::playing(bool playing)
+void PulseAudioDevice::PulseAudio_underflow(pa_stream *stream, void *data)
 {
-	m_playback = playing;
+	PulseAudioDevice* device = (PulseAudioDevice*)data;
 
-	AUD_pa_threaded_mainloop_lock(m_mainloop);
-	AUD_pa_stream_cork(m_stream, playing ? 0 : 1, nullptr, nullptr);
-	AUD_pa_threaded_mainloop_unlock(m_mainloop);
+	DeviceSpecs specs = device->getSpecs();
+
+	if(++device->m_underflows > 4 && device->m_buffersize < AUD_DEVICE_SAMPLE_SIZE(specs) * specs.rate * 2)
+	{
+		device->m_buffersize <<= 1;
+		device->m_underflows = 0;
+
+		pa_buffer_attr buffer_attr;
+
+		buffer_attr.fragsize = -1U;
+		buffer_attr.maxlength = -1U;
+		buffer_attr.minreq = -1U;
+		buffer_attr.prebuf = -1U;
+		buffer_attr.tlength = device->m_buffersize;
+
+		AUD_pa_stream_set_buffer_attr(stream, &buffer_attr, nullptr, nullptr);
+	}
+}
+
+void PulseAudioDevice::runMixingThread()
+{
+	for(;;)
+	{
+		{
+			std::lock_guard<ILockable> lock(*this);
+
+			if(shouldStop())
+			{
+				AUD_pa_stream_cork(m_stream, 1, nullptr, nullptr);
+				AUD_pa_stream_flush(m_stream, nullptr, nullptr);
+				doStop();
+				return;
+			}
+		}
+
+		if(AUD_pa_stream_is_corked(m_stream))
+			AUD_pa_stream_cork(m_stream, 0, nullptr, nullptr);
+
+		// similar to AUD_pa_mainloop_iterate(m_mainloop, false, nullptr); except with a longer timeout
+		AUD_pa_mainloop_prepare(m_mainloop, 1 << 14);
+		AUD_pa_mainloop_poll(m_mainloop);
+		AUD_pa_mainloop_dispatch(m_mainloop);
+	}
 }
 
 PulseAudioDevice::PulseAudioDevice(std::string name, DeviceSpecs specs, int buffersize) :
-	m_synchronizer(this),
-	m_playback(false),
 	m_state(PA_CONTEXT_UNCONNECTED),
-	m_valid(true),
 	m_underflows(0)
 {
-	m_mainloop = AUD_pa_threaded_mainloop_new();
+	m_mainloop = AUD_pa_mainloop_new();
 
-	AUD_pa_threaded_mainloop_lock(m_mainloop);
-
-	m_context = AUD_pa_context_new(AUD_pa_threaded_mainloop_get_api(m_mainloop), name.c_str());
+	m_context = AUD_pa_context_new(AUD_pa_mainloop_get_api(m_mainloop), name.c_str());
 
 	if(!m_context)
 	{
-		AUD_pa_threaded_mainloop_unlock(m_mainloop);
-		AUD_pa_threaded_mainloop_free(m_mainloop);
+		AUD_pa_mainloop_free(m_mainloop);
 
 		AUD_THROW(DeviceException, "Could not connect to PulseAudio.");
 	}
@@ -146,26 +120,21 @@ PulseAudioDevice::PulseAudioDevice(std::string name, DeviceSpecs specs, int buff
 
 	AUD_pa_context_connect(m_context, nullptr, PA_CONTEXT_NOFLAGS, nullptr);
 
-	AUD_pa_threaded_mainloop_start(m_mainloop);
-
 	while(m_state != PA_CONTEXT_READY)
 	{
 		switch(m_state)
 		{
 		case PA_CONTEXT_FAILED:
 		case PA_CONTEXT_TERMINATED:
-			AUD_pa_threaded_mainloop_unlock(m_mainloop);
-			AUD_pa_threaded_mainloop_stop(m_mainloop);
-
 			AUD_pa_context_disconnect(m_context);
 			AUD_pa_context_unref(m_context);
 
-			AUD_pa_threaded_mainloop_free(m_mainloop);
+			AUD_pa_mainloop_free(m_mainloop);
 
 			AUD_THROW(DeviceException, "Could not connect to PulseAudio.");
 			break;
 		default:
-			AUD_pa_threaded_mainloop_wait(m_mainloop);
+			AUD_pa_mainloop_iterate(m_mainloop, true, nullptr);
 			break;
 		}
 	}
@@ -213,18 +182,16 @@ PulseAudioDevice::PulseAudioDevice(std::string name, DeviceSpecs specs, int buff
 
 	if(!m_stream)
 	{
-		AUD_pa_threaded_mainloop_unlock(m_mainloop);
-		AUD_pa_threaded_mainloop_stop(m_mainloop);
-
 		AUD_pa_context_disconnect(m_context);
 		AUD_pa_context_unref(m_context);
 
-		AUD_pa_threaded_mainloop_free(m_mainloop);
+		AUD_pa_mainloop_free(m_mainloop);
 
 		AUD_THROW(DeviceException, "Could not create PulseAudio stream.");
 	}
 
 	AUD_pa_stream_set_write_callback(m_stream, PulseAudio_request, this);
+	AUD_pa_stream_set_underflow_callback(m_stream, PulseAudio_underflow, this);
 
 	buffersize *= AUD_DEVICE_SAMPLE_SIZE(m_specs);
 	m_buffersize = buffersize;
@@ -237,53 +204,31 @@ PulseAudioDevice::PulseAudioDevice(std::string name, DeviceSpecs specs, int buff
 	buffer_attr.prebuf = -1U;
 	buffer_attr.tlength = buffersize;
 
-	m_ring_buffer.resize(buffersize);
-
-	if(AUD_pa_stream_connect_playback(m_stream, nullptr, &buffer_attr, static_cast<pa_stream_flags_t>(PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_ADJUST_LATENCY | PA_STREAM_AUTO_TIMING_UPDATE), nullptr, nullptr) < 0)
+	if(AUD_pa_stream_connect_playback(m_stream, nullptr, &buffer_attr, static_cast<pa_stream_flags_t>(PA_STREAM_START_CORKED | PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_ADJUST_LATENCY | PA_STREAM_AUTO_TIMING_UPDATE), nullptr, nullptr) < 0)
 	{
-		AUD_pa_threaded_mainloop_unlock(m_mainloop);
-		AUD_pa_threaded_mainloop_stop(m_mainloop);
-
 		AUD_pa_context_disconnect(m_context);
 		AUD_pa_context_unref(m_context);
 
-		AUD_pa_threaded_mainloop_free(m_mainloop);
+		AUD_pa_mainloop_free(m_mainloop);
 
 		AUD_THROW(DeviceException, "Could not connect PulseAudio stream.");
 	}
 
-	AUD_pa_threaded_mainloop_unlock(m_mainloop);
-
 	create();
-
-	m_mixingThread = std::thread(&PulseAudioDevice::updateRingBuffer, this);
 }
 
 PulseAudioDevice::~PulseAudioDevice()
 {
-	m_valid = false;
-
-	m_mixingLock.lock();
-	m_mixingCondition.notify_all();
-	m_mixingLock.unlock();
-
-	m_mixingThread.join();
-
-	AUD_pa_threaded_mainloop_stop(m_mainloop);
+	stopMixingThread();
 
 	AUD_pa_context_disconnect(m_context);
 	AUD_pa_context_unref(m_context);
 
-	AUD_pa_threaded_mainloop_free(m_mainloop);
+	AUD_pa_mainloop_free(m_mainloop);
 
 	destroy();
 }
 
-ISynchronizer *PulseAudioDevice::getSynchronizer()
-{
-	return &m_synchronizer;
-}
-
 class PulseAudioDeviceFactory : public IDeviceFactory
 {
 private:

extern/audaspace/plugins/pulseaudio/PulseAudioDevice.h

@@ -26,11 +26,7 @@
  * The PulseAudioDevice class.
  */
 
-#include "devices/SoftwareDevice.h"
-#include "util/RingBuffer.h"
-
-#include <condition_variable>
-#include <thread>
+#include "devices/ThreadedDevice.h"
 
 #include <pulse/pulseaudio.h>
 
@@ -39,65 +35,17 @@ AUD_NAMESPACE_BEGIN
 /**
  * This device plays back through PulseAudio, the simple direct media layer.
  */
-class AUD_PLUGIN_API PulseAudioDevice : public SoftwareDevice
+class AUD_PLUGIN_API PulseAudioDevice : public ThreadedDevice
 {
 private:
-	class PulseAudioSynchronizer : public DefaultSynchronizer
-	{
-		PulseAudioDevice* m_device;
-
-	public:
-		PulseAudioSynchronizer(PulseAudioDevice* device);
-
-		virtual double getPosition(std::shared_ptr<IHandle> handle);
-	};
-
-	/// Synchronizer.
-	PulseAudioSynchronizer m_synchronizer;
-
-	/**
-	 * Whether there is currently playback.
-	 */
-	volatile bool m_playback;
-
-	pa_threaded_mainloop* m_mainloop;
+	pa_mainloop* m_mainloop;
 	pa_context* m_context;
 	pa_stream* m_stream;
 	pa_context_state_t m_state;
 
-	/**
-	 * The mixing ring buffer.
-	 */
-	RingBuffer m_ring_buffer;
-
-	/**
-	 * Whether the device is valid.
-	 */
-	bool m_valid;
-
 	int m_buffersize;
 	uint32_t m_underflows;
 
-	/**
-	 * The mixing thread.
-	 */
-	std::thread m_mixingThread;
-
-	/**
-	 * Mutex for mixing.
-	 */
-	std::mutex m_mixingLock;
-
-	/**
-	 * Condition for mixing.
-	 */
-	std::condition_variable m_mixingCondition;
-
-	/**
-	 * Updates the ring buffer.
-	 */
-	AUD_LOCAL void updateRingBuffer();
-
 	/**
 	 * Reports the state of the PulseAudio server connection.
 	 * \param context The PulseAudio context.
@@ -113,13 +61,23 @@ private:
 	 */
 	AUD_LOCAL static void PulseAudio_request(pa_stream* stream, size_t total_bytes, void* data);
 
+	/**
+	 * Reports an underflow from the PulseAudio server.
+	 * Automatically adjusts the latency if this happens too often.
+	 * @param stream The PulseAudio stream.
+	 * \param data The PulseAudio device.
+	 */
+	AUD_LOCAL static void PulseAudio_underflow(pa_stream* stream, void* data);
+
+	/**
+	 * Streaming thread main function.
+	 */
+	AUD_LOCAL void runMixingThread();
+
 	// delete copy constructor and operator=
 	PulseAudioDevice(const PulseAudioDevice&) = delete;
 	PulseAudioDevice& operator=(const PulseAudioDevice&) = delete;
 
-protected:
-	virtual void playing(bool playing);
-
 public:
 	/**
 	 * Opens the PulseAudio audio device for playback.
@@ -135,8 +93,6 @@ public:
 	 */
 	virtual ~PulseAudioDevice();
 
-	virtual ISynchronizer* getSynchronizer();
-
 	/**
 	 * Registers this plugin.
 	 */

extern/audaspace/plugins/pulseaudio/PulseAudioSymbols.h

@@ -25,7 +25,6 @@ PULSEAUDIO_SYMBOL(pa_stream_begin_write);
 PULSEAUDIO_SYMBOL(pa_stream_connect_playback);
 PULSEAUDIO_SYMBOL(pa_stream_cork);
 PULSEAUDIO_SYMBOL(pa_stream_flush);
-PULSEAUDIO_SYMBOL(pa_stream_get_latency);
 PULSEAUDIO_SYMBOL(pa_stream_is_corked);
 PULSEAUDIO_SYMBOL(pa_stream_new);
 PULSEAUDIO_SYMBOL(pa_stream_set_buffer_attr);
@@ -40,13 +39,3 @@ PULSEAUDIO_SYMBOL(pa_mainloop_iterate);
 PULSEAUDIO_SYMBOL(pa_mainloop_prepare);
 PULSEAUDIO_SYMBOL(pa_mainloop_poll);
 PULSEAUDIO_SYMBOL(pa_mainloop_dispatch);
-
-PULSEAUDIO_SYMBOL(pa_threaded_mainloop_free);
-PULSEAUDIO_SYMBOL(pa_threaded_mainloop_get_api);
-PULSEAUDIO_SYMBOL(pa_threaded_mainloop_lock);
-PULSEAUDIO_SYMBOL(pa_threaded_mainloop_new);
-PULSEAUDIO_SYMBOL(pa_threaded_mainloop_signal);
-PULSEAUDIO_SYMBOL(pa_threaded_mainloop_start);
-PULSEAUDIO_SYMBOL(pa_threaded_mainloop_stop);
-PULSEAUDIO_SYMBOL(pa_threaded_mainloop_unlock);
-PULSEAUDIO_SYMBOL(pa_threaded_mainloop_wait);

extern/audaspace/src/file/File.cpp

@@ -23,31 +23,23 @@
 
 AUD_NAMESPACE_BEGIN
 
-File::File(std::string filename, int stream) :
-	m_filename(filename), m_stream(stream)
+File::File(std::string filename) :
+	m_filename(filename)
 {
 }
 
-File::File(const data_t* buffer, int size, int stream) :
-	m_buffer(new Buffer(size)), m_stream(stream)
+File::File(const data_t* buffer, int size) :
+	m_buffer(new Buffer(size))
 {
 	std::memcpy(m_buffer->getBuffer(), buffer, size);
 }
 
-std::vector<StreamInfo> File::queryStreams()
-{
-	if(m_buffer.get())
-		return FileManager::queryStreams(m_buffer);
-	else
-		return FileManager::queryStreams(m_filename);
-}
-
 std::shared_ptr<IReader> File::createReader()
 {
 	if(m_buffer.get())
-		return FileManager::createReader(m_buffer, m_stream);
+		return FileManager::createReader(m_buffer);
 	else
-		return FileManager::createReader(m_filename, m_stream);
+		return FileManager::createReader(m_filename);
 }
 
 AUD_NAMESPACE_END

extern/audaspace/src/file/FileManager.cpp

@@ -43,13 +43,13 @@ void FileManager::registerOutput(std::shared_ptr<aud::IFileOutput> output)
 	outputs().push_back(output);
 }
 
-std::shared_ptr<IReader> FileManager::createReader(std::string filename, int stream)
+std::shared_ptr<IReader> FileManager::createReader(std::string filename)
 {
 	for(std::shared_ptr<IFileInput> input : inputs())
 	{
 		try
 		{
-			return input->createReader(filename, stream);
+			return input->createReader(filename);
 		}
 		catch(Exception&) {}
 	}
@@ -57,41 +57,13 @@ std::shared_ptr<IReader> FileManager::createReader(std::string filename, int str
 	AUD_THROW(FileException, "The file couldn't be read with any installed file reader.");
 }
 
-std::shared_ptr<IReader> FileManager::createReader(std::shared_ptr<Buffer> buffer, int stream)
+std::shared_ptr<IReader> FileManager::createReader(std::shared_ptr<Buffer> buffer)
 {
 	for(std::shared_ptr<IFileInput> input : inputs())
 	{
 		try
 		{
-			return input->createReader(buffer, stream);
-		}
-		catch(Exception&) {}
-	}
-
-	AUD_THROW(FileException, "The file couldn't be read with any installed file reader.");
-}
-
-std::vector<StreamInfo> FileManager::queryStreams(std::string filename)
-{
-	for(std::shared_ptr<IFileInput> input : inputs())
-	{
-		try
-		{
-			return input->queryStreams(filename);
-		}
-		catch(Exception&) {}
-	}
-
-	AUD_THROW(FileException, "The file couldn't be read with any installed file reader.");
-}
-
-std::vector<StreamInfo> FileManager::queryStreams(std::shared_ptr<Buffer> buffer)
-{
-	for(std::shared_ptr<IFileInput> input : inputs())
-	{
-		try
-		{
-			return input->queryStreams(buffer);
+			return input->createReader(buffer);
 		}
 		catch(Exception&) {}
 	}

extern/audaspace/src/fx/VolumeReader.cpp

@@ -57,4 +57,4 @@ void VolumeReader::read(int& length, bool& eos, sample_t* buffer)
 		buffer[i] = buffer[i] * m_volumeStorage->getVolume();
 }
 
-AUD_NAMESPACE_END
+AUD_NAMESPACE_END

extern/audaspace/src/util/RingBuffer.cpp

@@ -1,137 +0,0 @@
-/*******************************************************************************
- * Copyright 2009-2021 Jörg Müller
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- ******************************************************************************/
-
-#include "util/RingBuffer.h"
-
-#include <algorithm>
-#include <cstring>
-#include <cstdlib>
-
-#define ALIGNMENT 32
-#define ALIGN(a) (a + ALIGNMENT - ((long long)a & (ALIGNMENT-1)))
-
-AUD_NAMESPACE_BEGIN
-
-RingBuffer::RingBuffer(int size) :
-	m_buffer(size),
-	m_read(0),
-	m_write(0)
-{
-}
-
-sample_t* RingBuffer::getBuffer() const
-{
-	return m_buffer.getBuffer();
-}
-
-int RingBuffer::getSize() const
-{
-	return m_buffer.getSize();
-}
-
-size_t RingBuffer::getReadSize() const
-{
-	size_t read = m_read;
-	size_t write = m_write;
-
-	if(read > write)
-		return write + getSize() - read;
-	else
-		return write - read;
-}
-
-size_t RingBuffer::getWriteSize() const
-{
-	size_t read = m_read;
-	size_t write = m_write;
-
-	if(read > write)
-		return read - write - 1;
-	else
-		return read + getSize() - write - 1;
-}
-
-size_t RingBuffer::read(data_t* target, size_t size)
-{
-	size = std::min(size, getReadSize());
-
-	data_t* buffer = reinterpret_cast<data_t*>(m_buffer.getBuffer());
-
-	if(m_read + size > m_buffer.getSize())
-	{
-		size_t read_first = m_buffer.getSize() - m_read;
-		size_t read_second = size - read_first;
-
-		std::memcpy(target, buffer + m_read, read_first);
-		std::memcpy(target + read_first, buffer, read_second);
-
-		m_read = read_second;
-	}
-	else
-	{
-		std::memcpy(target, buffer + m_read, size);
-
-		m_read += size;
-	}
-
-	return size;
-}
-
-size_t RingBuffer::write(data_t* source, size_t size)
-{
-	size = std::min(size, getWriteSize());
-
-	data_t* buffer = reinterpret_cast<data_t*>(m_buffer.getBuffer());
-
-	if(m_write + size > m_buffer.getSize())
-	{
-		size_t write_first = m_buffer.getSize() - m_write;
-		size_t write_second = size - write_first;
-
-		std::memcpy(buffer + m_write, source, write_first);
-		std::memcpy(buffer, source + write_first, write_second);
-
-		m_write = write_second;
-	}
-	else
-	{
-		std::memcpy(buffer + m_write, source, size);
-
-		m_write += size;
-	}
-
-	return size;
-}
-
-void RingBuffer::reset()
-{
-	m_read = 0;
-	m_write = 0;
-}
-
-void RingBuffer::resize(int size)
-{
-	m_buffer.resize(size);
-	reset();
-}
-
-void RingBuffer::assureSize(int size)
-{
-	m_buffer.assureSize(size);
-	reset();
-}
-
-AUD_NAMESPACE_END

extern/cuew/include/cuew.h

@@ -645,8 +645,7 @@ typedef enum CUdevice_P2PAttribute_enum {
   CU_DEVICE_P2P_ATTRIBUTE_PERFORMANCE_RANK = 0x01,
   CU_DEVICE_P2P_ATTRIBUTE_ACCESS_SUPPORTED = 0x02,
   CU_DEVICE_P2P_ATTRIBUTE_NATIVE_ATOMIC_SUPPORTED = 0x03,
-  CU_DEVICE_P2P_ATTRIBUTE_ACCESS_ACCESS_SUPPORTED = 0x04,
-  CU_DEVICE_P2P_ATTRIBUTE_CUDA_ARRAY_ACCESS_SUPPORTED = 0x04,
+  CU_DEVICE_P2P_ATTRIBUTE_ARRAY_ACCESS_ACCESS_SUPPORTED = 0x04,
 } CUdevice_P2PAttribute;
 
 typedef void (CUDA_CB *CUstreamCallback)(CUstream hStream, CUresult status, void* userData);

extern/json/README.blender

@@ -1,5 +0,0 @@
-Project: JSON
-URL: https://github.com/nlohmann/json/
-License: MIT License
-Upstream version: 3.10.2
-Local modifications: None

extern/mantaflow/UPDATE.sh

@@ -8,7 +8,7 @@
 
 # YOUR INSTALLATION PATHS GO HERE:
 MANTA_INSTALLATION=/Users/sebbas/Developer/Mantaflow/mantaflowDevelop
-BLENDER_INSTALLATION=/Users/sebbas/Developer/Blender
+BLENDER_INSTALLATION=/Users/sebbas/Developer/Blender/fluid-mantaflow
 
 # Try to check out Mantaflow repository before building?
 CLEAN_REPOSITORY=0

extern/mantaflow/helper/pwrapper/pconvert.cpp

@@ -28,13 +28,11 @@ extern PyTypeObject PbVec3Type;
 extern PyTypeObject PbVec4Type;
 
 struct PbVec3 {
-  PyObject_HEAD
-  float data[3];
+  PyObject_HEAD float data[3];
 };
 
 struct PbVec4 {
-  PyObject_HEAD
-  float data[4];
+  PyObject_HEAD float data[4];
 };
 
 PyObject *getPyNone()

extern/mantaflow/helper/pwrapper/pvec3.cpp

@@ -25,8 +25,7 @@ namespace Manta {
 extern PyTypeObject PbVec3Type;
 
 struct PbVec3 {
-  PyObject_HEAD
-  float data[3];
+  PyObject_HEAD float data[3];
 };
 
 static void PbVec3Dealloc(PbVec3 *self)
@@ -294,8 +293,7 @@ inline PyObject *castPy(PyTypeObject *p)
 extern PyTypeObject PbVec4Type;
 
 struct PbVec4 {
-  PyObject_HEAD
-  float data[4];
+  PyObject_HEAD float data[4];
 };
 
 static PyMethodDef PbVec4Methods[] = {

extern/mantaflow/helper/pwrapper/registry.cpp

@@ -76,8 +76,7 @@ struct ClassData {
 };
 
 struct PbObject {
-  PyObject_HEAD
-  Manta::PbClass *instance;
+  PyObject_HEAD Manta::PbClass *instance;
   ClassData *classdef;
 };
 

extern/mantaflow/preprocessed/fastmarch.cpp

@@ -874,136 +874,6 @@ static const Vec3i nb[6] = {Vec3i(1, 0, 0),
                             Vec3i(0, 0, 1),
                             Vec3i(0, 0, -1)};
 
-struct knMarkSkipCells : public KernelBase {
-  knMarkSkipCells(Grid<Real> &phi, Grid<int> &tmp, bool inside)
-      : KernelBase(&phi, 1), phi(phi), tmp(tmp), inside(inside)
-  {
-    runMessage();
-    run();
-  }
-  inline void op(int i, int j, int k, Grid<Real> &phi, Grid<int> &tmp, bool inside) const
-  {
-    if (!inside && phi(i, j, k) < 0.) {
-      tmp(i, j, k) = 1;
-    }
-    if (inside && phi(i, j, k) > 0.) {
-      tmp(i, j, k) = 1;
-    }
-  }
-  inline Grid<Real> &getArg0()
-  {
-    return phi;
-  }
-  typedef Grid<Real> type0;
-  inline Grid<int> &getArg1()
-  {
-    return tmp;
-  }
-  typedef Grid<int> type1;
-  inline bool &getArg2()
-  {
-    return inside;
-  }
-  typedef bool type2;
-  void runMessage()
-  {
-    debMsg("Executing kernel knMarkSkipCells ", 3);
-    debMsg("Kernel range"
-               << " x " << maxX << " y " << maxY << " z " << minZ << " - " << maxZ << " ",
-           4);
-  };
-  void operator()(const tbb::blocked_range<IndexInt> &__r) const
-  {
-    const int _maxX = maxX;
-    const int _maxY = maxY;
-    if (maxZ > 1) {
-      for (int k = __r.begin(); k != (int)__r.end(); k++)
-        for (int j = 1; j < _maxY; j++)
-          for (int i = 1; i < _maxX; i++)
-            op(i, j, k, phi, tmp, inside);
-    }
-    else {
-      const int k = 0;
-      for (int j = __r.begin(); j != (int)__r.end(); j++)
-        for (int i = 1; i < _maxX; i++)
-          op(i, j, k, phi, tmp, inside);
-    }
-  }
-  void run()
-  {
-    if (maxZ > 1)
-      tbb::parallel_for(tbb::blocked_range<IndexInt>(minZ, maxZ), *this);
-    else
-      tbb::parallel_for(tbb::blocked_range<IndexInt>(1, maxY), *this);
-  }
-  Grid<Real> &phi;
-  Grid<int> &tmp;
-  bool inside;
-};
-
-struct knSetFirstLayer : public KernelBase {
-  knSetFirstLayer(Grid<int> &tmp, int dim) : KernelBase(&tmp, 1), tmp(tmp), dim(dim)
-  {
-    runMessage();
-    run();
-  }
-  inline void op(int i, int j, int k, Grid<int> &tmp, int dim) const
-  {
-    Vec3i p(i, j, k);
-    if (tmp(p))
-      return;
-    for (int n = 0; n < 2 * dim; ++n) {
-      if (tmp(p + nb[n]) == 1) {
-        tmp(i, j, k) = 2;
-        break;
-      }
-    }
-  }
-  inline Grid<int> &getArg0()
-  {
-    return tmp;
-  }
-  typedef Grid<int> type0;
-  inline int &getArg1()
-  {
-    return dim;
-  }
-  typedef int type1;
-  void runMessage()
-  {
-    debMsg("Executing kernel knSetFirstLayer ", 3);
-    debMsg("Kernel range"
-               << " x " << maxX << " y " << maxY << " z " << minZ << " - " << maxZ << " ",
-           4);
-  };
-  void operator()(const tbb::blocked_range<IndexInt> &__r) const
-  {
-    const int _maxX = maxX;
-    const int _maxY = maxY;
-    if (maxZ > 1) {
-      for (int k = __r.begin(); k != (int)__r.end(); k++)
-        for (int j = 1; j < _maxY; j++)
-          for (int i = 1; i < _maxX; i++)
-            op(i, j, k, tmp, dim);
-    }
-    else {
-      const int k = 0;
-      for (int j = __r.begin(); j != (int)__r.end(); j++)
-        for (int i = 1; i < _maxX; i++)
-          op(i, j, k, tmp, dim);
-    }
-  }
-  void run()
-  {
-    if (maxZ > 1)
-      tbb::parallel_for(tbb::blocked_range<IndexInt>(minZ, maxZ), *this);
-    else
-      tbb::parallel_for(tbb::blocked_range<IndexInt>(1, maxY), *this);
-  }
-  Grid<int> &tmp;
-  int dim;
-};
-
 template<class S> struct knExtrapolateLsSimple : public KernelBase {
   knExtrapolateLsSimple(Grid<S> &val, int distance, Grid<int> &tmp, const int d, S direction)
       : KernelBase(&val, 1), val(val), distance(distance), tmp(tmp), d(d), direction(direction)
@@ -1173,12 +1043,39 @@ void extrapolateLsSimple(Grid<Real> &phi, int distance = 4, bool inside = false)
   tmp.clear();
   const int dim = (phi.is3D() ? 3 : 2);
 
-  // by default, march outside (ie mark all inside to be skipped)
-  Real direction = (inside) ? -1. : 1.;
-  knMarkSkipCells(phi, tmp, inside);
-
+  // by default, march outside
+  Real direction = 1.;
+  if (!inside) {
+    // mark all inside
+    FOR_IJK_BND(phi, 1)
+    {
+      if (phi(i, j, k) < 0.) {
+        tmp(i, j, k) = 1;
+      }
+    }
+  }
+  else {
+    direction = -1.;
+    FOR_IJK_BND(phi, 1)
+    {
+      if (phi(i, j, k) > 0.) {
+        tmp(i, j, k) = 1;
+      }
+    }
+  }
   // + first layer around
-  knSetFirstLayer(tmp, dim);
+  FOR_IJK_BND(phi, 1)
+  {
+    Vec3i p(i, j, k);
+    if (tmp(p))
+      continue;
+    for (int n = 0; n < 2 * dim; ++n) {
+      if (tmp(p + nb[n]) == 1) {
+        tmp(i, j, k) = 2;
+        n = 2 * dim;
+      }
+    }
+  }
 
   // extrapolate for distance
   for (int d = 2; d < 1 + distance; ++d) {
@@ -1229,12 +1126,37 @@ void extrapolateVec3Simple(Grid<Vec3> &vel, Grid<Real> &phi, int distance = 4, b
   tmp.clear();
   const int dim = (vel.is3D() ? 3 : 2);
 
-  // mark initial cells, by default, march outside (ie mark all inside to be skipped)
-  Real direction = (inside) ? -1. : 1.;
-  knMarkSkipCells(phi, tmp, inside);
-
+  // mark initial cells, by default, march outside
+  if (!inside) {
+    // mark all inside
+    FOR_IJK_BND(phi, 1)
+    {
+      if (phi(i, j, k) < 0.) {
+        tmp(i, j, k) = 1;
+      }
+    }
+  }
+  else {
+    FOR_IJK_BND(phi, 1)
+    {
+      if (phi(i, j, k) > 0.) {
+        tmp(i, j, k) = 1;
+      }
+    }
+  }
   // + first layer next to initial cells
-  knSetFirstLayer(tmp, dim);
+  FOR_IJK_BND(vel, 1)
+  {
+    Vec3i p(i, j, k);
+    if (tmp(p))
+      continue;
+    for (int n = 0; n < 2 * dim; ++n) {
+      if (tmp(p + nb[n]) == 1) {
+        tmp(i, j, k) = 2;
+        n = 2 * dim;
+      }
+    }
+  }
 
   for (int d = 2; d < 1 + distance; ++d) {
     knExtrapolateLsSimple<Vec3>(vel, distance, tmp, d, Vec3(0.));

extern/mantaflow/preprocessed/gitinfo.h

@@ -1,3 +1,3 @@
 
 
-#define MANTA_GIT_VERSION "commit d5d9a6c28daa8f21426d7a285f48639c0d8fd13f"
+#define MANTA_GIT_VERSION "commit 8fbebe02459b7f72575872c20961f7cb757db408"

extern/tinygltf/README.blender

@@ -1,6 +0,0 @@
-Project: TinyGLTF
-URL: https://github.com/syoyo/tinygltf
-License: MIT
-Upstream version: 2.5.0, 19a41d20ec0
-Local modifications: 
-* Silence "enum value not handled in switch" warnings due to JSON dependency.

intern/CMakeLists.txt

@@ -37,7 +37,7 @@ if(WITH_AUDASPACE)
   add_subdirectory(audaspace)
 endif()
 
-if(WITH_MOD_REMESH)
+if(WITH_REMESH_DUALCON)
   add_subdirectory(dualcon)
 endif()
 

intern/atomic/intern/atomic_ops_unix.h

@@ -60,108 +60,9 @@
 #  define JE_FORCE_SYNC_COMPARE_AND_SWAP_8
 #endif
 
-/* Define the `ATOMIC_FORCE_USE_FALLBACK` to force lock-based fallback implementation to be used
- * (even on platforms where there is native implementation available via compiler.
- * Useful for development purposes. */
-#undef ATOMIC_FORCE_USE_FALLBACK
-
-/* -------------------------------------------------------------------- */
-/** \name Spin-lock implementation
- *
- * Used to implement atomics on unsupported platforms.
- * The spin implementation is shared for all platforms to make sure it compiles and tested.
- * \{ */
-
-typedef struct AtomicSpinLock {
-  volatile int lock;
-
-  /* Pad the structure size to a cache-line, to avoid unwanted sharing with other data. */
-  int pad[32 - sizeof(int)];
-} __attribute__((aligned(32))) AtomicSpinLock;
-
-ATOMIC_INLINE void atomic_spin_lock(volatile AtomicSpinLock *lock)
-{
-  while (__sync_lock_test_and_set(&lock->lock, 1)) {
-    while (lock->lock) {
-    }
-  }
-}
-
-ATOMIC_INLINE void atomic_spin_unlock(volatile AtomicSpinLock *lock)
-{
-  __sync_lock_release(&lock->lock);
-}
-
-/** \} */
-
-/* -------------------------------------------------------------------- */
-/** \name Common part of locking fallback implementation
- * \{ */
-
-/* Global lock, shared by all atomic operations implementations.
- *
- * Could be split into per-size locks, although added complexity and being more error-proone does
- * not seem to worth it for a fall-back implementation. */
-static _ATOMIC_MAYBE_UNUSED AtomicSpinLock _atomic_global_lock = {0};
-
-#define ATOMIC_LOCKING_OP_AND_FETCH_DEFINE(_type, _op_name, _op) \
-  ATOMIC_INLINE _type##_t atomic_##_op_name##_and_fetch_##_type(_type##_t *p, _type##_t x) \
-  { \
-    atomic_spin_lock(&_atomic_global_lock); \
-    const _type##_t original_value = *(p); \
-    const _type##_t new_value = original_value _op(x); \
-    *(p) = new_value; \
-    atomic_spin_unlock(&_atomic_global_lock); \
-    return new_value; \
-  }
-
-#define ATOMIC_LOCKING_FETCH_AND_OP_DEFINE(_type, _op_name, _op) \
-  ATOMIC_INLINE _type##_t atomic_fetch_and_##_op_name##_##_type(_type##_t *p, _type##_t x) \
-  { \
-    atomic_spin_lock(&_atomic_global_lock); \
-    const _type##_t original_value = *(p); \
-    *(p) = original_value _op(x); \
-    atomic_spin_unlock(&_atomic_global_lock); \
-    return original_value; \
-  }
-
-#define ATOMIC_LOCKING_ADD_AND_FETCH_DEFINE(_type) \
-  ATOMIC_LOCKING_OP_AND_FETCH_DEFINE(_type, add, +)
-
-#define ATOMIC_LOCKING_SUB_AND_FETCH_DEFINE(_type) \
-  ATOMIC_LOCKING_OP_AND_FETCH_DEFINE(_type, sub, -)
-
-#define ATOMIC_LOCKING_FETCH_AND_ADD_DEFINE(_type) \
-  ATOMIC_LOCKING_FETCH_AND_OP_DEFINE(_type, add, +)
-
-#define ATOMIC_LOCKING_FETCH_AND_SUB_DEFINE(_type) \
-  ATOMIC_LOCKING_FETCH_AND_OP_DEFINE(_type, sub, -)
-
-#define ATOMIC_LOCKING_FETCH_AND_OR_DEFINE(_type) ATOMIC_LOCKING_FETCH_AND_OP_DEFINE(_type, or, |)
-
-#define ATOMIC_LOCKING_FETCH_AND_AND_DEFINE(_type) \
-  ATOMIC_LOCKING_FETCH_AND_OP_DEFINE(_type, and, &)
-
-#define ATOMIC_LOCKING_CAS_DEFINE(_type) \
-  ATOMIC_INLINE _type##_t atomic_cas_##_type(_type##_t *v, _type##_t old, _type##_t _new) \
-  { \
-    atomic_spin_lock(&_atomic_global_lock); \
-    const _type##_t original_value = *v; \
-    if (*v == old) { \
-      *v = _new; \
-    } \
-    atomic_spin_unlock(&_atomic_global_lock); \
-    return original_value; \
-  }
-
-/** \} */
-
-/* -------------------------------------------------------------------- */
-/** \name 64-bit operations
- * \{ */
-
-#if !defined(ATOMIC_FORCE_USE_FALLBACK) && \
-    (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_8))
+/******************************************************************************/
+/* 64-bit operations. */
+#if (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_8))
 /* Unsigned */
 ATOMIC_INLINE uint64_t atomic_add_and_fetch_uint64(uint64_t *p, uint64_t x)
 {
@@ -214,7 +115,7 @@ ATOMIC_INLINE int64_t atomic_cas_int64(int64_t *v, int64_t old, int64_t _new)
   return __sync_val_compare_and_swap(v, old, _new);
 }
 
-#elif !defined(ATOMIC_FORCE_USE_FALLBACK) && (defined(__amd64__) || defined(__x86_64__))
+#elif (defined(__amd64__) || defined(__x86_64__))
 /* Unsigned */
 ATOMIC_INLINE uint64_t atomic_fetch_and_add_uint64(uint64_t *p, uint64_t x)
 {
@@ -289,36 +190,12 @@ ATOMIC_INLINE int64_t atomic_cas_int64(int64_t *v, int64_t old, int64_t _new)
   return ret;
 }
 #else
-
-/* Unsigned */
-
-ATOMIC_LOCKING_ADD_AND_FETCH_DEFINE(uint64)
-ATOMIC_LOCKING_SUB_AND_FETCH_DEFINE(uint64)
-
-ATOMIC_LOCKING_FETCH_AND_ADD_DEFINE(uint64)
-ATOMIC_LOCKING_FETCH_AND_SUB_DEFINE(uint64)
-
-ATOMIC_LOCKING_CAS_DEFINE(uint64)
-
-/* Signed */
-ATOMIC_LOCKING_ADD_AND_FETCH_DEFINE(int64)
-ATOMIC_LOCKING_SUB_AND_FETCH_DEFINE(int64)
-
-ATOMIC_LOCKING_FETCH_AND_ADD_DEFINE(int64)
-ATOMIC_LOCKING_FETCH_AND_SUB_DEFINE(int64)
-
-ATOMIC_LOCKING_CAS_DEFINE(int64)
-
+#  error "Missing implementation for 64-bit atomic operations"
 #endif
 
-/** \} */
-
-/* -------------------------------------------------------------------- */
-/** \name 32-bit operations
- * \{ */
-
-#if !defined(ATOMIC_FORCE_USE_FALLBACK) && \
-    (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_4))
+/******************************************************************************/
+/* 32-bit operations. */
+#if (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_4))
 /* Unsigned */
 ATOMIC_INLINE uint32_t atomic_add_and_fetch_uint32(uint32_t *p, uint32_t x)
 {
@@ -351,8 +228,7 @@ ATOMIC_INLINE int32_t atomic_cas_int32(int32_t *v, int32_t old, int32_t _new)
   return __sync_val_compare_and_swap(v, old, _new);
 }
 
-#elif !defined(ATOMIC_FORCE_USE_FALLBACK) && \
-    (defined(__i386__) || defined(__amd64__) || defined(__x86_64__))
+#elif (defined(__i386__) || defined(__amd64__) || defined(__x86_64__))
 /* Unsigned */
 ATOMIC_INLINE uint32_t atomic_add_and_fetch_uint32(uint32_t *p, uint32_t x)
 {
@@ -410,25 +286,10 @@ ATOMIC_INLINE int32_t atomic_cas_int32(int32_t *v, int32_t old, int32_t _new)
 }
 
 #else
-
-/* Unsigned */
-
-ATOMIC_LOCKING_ADD_AND_FETCH_DEFINE(uint32)
-ATOMIC_LOCKING_SUB_AND_FETCH_DEFINE(uint32)
-
-ATOMIC_LOCKING_CAS_DEFINE(uint32)
-
-/* Signed */
-
-ATOMIC_LOCKING_ADD_AND_FETCH_DEFINE(int32)
-ATOMIC_LOCKING_SUB_AND_FETCH_DEFINE(int32)
-
-ATOMIC_LOCKING_CAS_DEFINE(int32)
-
+#  error "Missing implementation for 32-bit atomic operations"
 #endif
 
-#if !defined(ATOMIC_FORCE_USE_FALLBACK) && \
-    (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_4))
+#if (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_4))
 /* Unsigned */
 ATOMIC_INLINE uint32_t atomic_fetch_and_add_uint32(uint32_t *p, uint32_t x)
 {
@@ -462,27 +323,12 @@ ATOMIC_INLINE int32_t atomic_fetch_and_and_int32(int32_t *p, int32_t x)
 }
 
 #else
-
-/* Unsigned */
-ATOMIC_LOCKING_FETCH_AND_ADD_DEFINE(uint32)
-ATOMIC_LOCKING_FETCH_AND_OR_DEFINE(uint32)
-ATOMIC_LOCKING_FETCH_AND_AND_DEFINE(uint32)
-
-/* Signed */
-ATOMIC_LOCKING_FETCH_AND_ADD_DEFINE(int32)
-ATOMIC_LOCKING_FETCH_AND_OR_DEFINE(int32)
-ATOMIC_LOCKING_FETCH_AND_AND_DEFINE(int32)
-
+#  error "Missing implementation for 32-bit atomic operations"
 #endif
 
-/** \} */
-
-/* -------------------------------------------------------------------- */
-/** \name 16-bit operations
- * \{ */
-
-#if !defined(ATOMIC_FORCE_USE_FALLBACK) && \
-    (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_2))
+/******************************************************************************/
+/* 16-bit operations. */
+#if (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_2))
 
 /* Signed */
 ATOMIC_INLINE int16_t atomic_fetch_and_and_int16(int16_t *p, int16_t b)
@@ -495,21 +341,12 @@ ATOMIC_INLINE int16_t atomic_fetch_and_or_int16(int16_t *p, int16_t b)
 }
 
 #else
-
-ATOMIC_LOCKING_FETCH_AND_AND_DEFINE(int16)
-ATOMIC_LOCKING_FETCH_AND_OR_DEFINE(int16)
-
+#  error "Missing implementation for 16-bit atomic operations"
 #endif
 
-/** \} */
-
-/* -------------------------------------------------------------------- */
-/** \name 8-bit operations
- * \{ */
-
-#if !defined(ATOMIC_FORCE_USE_FALLBACK) && \
-    (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_1))
-
+/******************************************************************************/
+/* 8-bit operations. */
+#if (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_1))
 /* Unsigned */
 ATOMIC_INLINE uint8_t atomic_fetch_and_and_uint8(uint8_t *p, uint8_t b)
 {
@@ -531,27 +368,7 @@ ATOMIC_INLINE int8_t atomic_fetch_and_or_int8(int8_t *p, int8_t b)
 }
 
 #else
-
-/* Unsigned */
-ATOMIC_LOCKING_FETCH_AND_AND_DEFINE(uint8)
-ATOMIC_LOCKING_FETCH_AND_OR_DEFINE(uint8)
-
-/* Signed */
-ATOMIC_LOCKING_FETCH_AND_AND_DEFINE(int8)
-ATOMIC_LOCKING_FETCH_AND_OR_DEFINE(int8)
-
+#  error "Missing implementation for 8-bit atomic operations"
 #endif
 
-/** \} */
-
-#undef ATOMIC_LOCKING_OP_AND_FETCH_DEFINE
-#undef ATOMIC_LOCKING_FETCH_AND_OP_DEFINE
-#undef ATOMIC_LOCKING_ADD_AND_FETCH_DEFINE
-#undef ATOMIC_LOCKING_SUB_AND_FETCH_DEFINE
-#undef ATOMIC_LOCKING_FETCH_AND_ADD_DEFINE
-#undef ATOMIC_LOCKING_FETCH_AND_SUB_DEFINE
-#undef ATOMIC_LOCKING_FETCH_AND_OR_DEFINE
-#undef ATOMIC_LOCKING_FETCH_AND_AND_DEFINE
-#undef ATOMIC_LOCKING_CAS_DEFINE
-
 #endif /* __ATOMIC_OPS_UNIX_H__ */

intern/atomic/intern/atomic_ops_utils.h

@@ -64,11 +64,9 @@
 #ifdef __GNUC__
 #  define _ATOMIC_LIKELY(x) __builtin_expect(!!(x), 1)
 #  define _ATOMIC_UNLIKELY(x) __builtin_expect(!!(x), 0)
-#  define _ATOMIC_MAYBE_UNUSED __attribute__((unused))
 #else
 #  define _ATOMIC_LIKELY(x) (x)
 #  define _ATOMIC_UNLIKELY(x) (x)
-#  define _ATOMIC_MAYBE_UNUSED
 #endif
 
 #if defined(__SIZEOF_POINTER__)

intern/cycles/CMakeLists.txt

@@ -247,7 +247,7 @@ if(WITH_CYCLES_OSL)
 endif()
 
 if(WITH_CYCLES_DEVICE_OPTIX)
-  find_package(OptiX 7.3.0)
+  find_package(OptiX)
 
   if(OPTIX_FOUND)
     add_definitions(-DWITH_OPTIX)
@@ -286,17 +286,11 @@ if(WITH_OPENSUBDIV)
   )
 endif()
 
-if(WITH_OPENIMAGEDENOISE)
-  add_definitions(-DWITH_OPENIMAGEDENOISE)
-  add_definitions(-DOIDN_STATIC_LIB)
-  include_directories(
-    SYSTEM
-    ${OPENIMAGEDENOISE_INCLUDE_DIRS}
-  )
-endif()
-
 if(WITH_CYCLES_STANDALONE)
+  set(WITH_CYCLES_DEVICE_OPENCL TRUE)
   set(WITH_CYCLES_DEVICE_CUDA TRUE)
+  # Experimental and unfinished.
+  set(WITH_CYCLES_NETWORK FALSE)
 endif()
 # TODO(sergey): Consider removing it, only causes confusion in interface.
 set(WITH_CYCLES_DEVICE_MULTI TRUE)
@@ -392,12 +386,18 @@ if(WITH_CYCLES_BLENDER)
   add_subdirectory(blender)
 endif()
 
-add_subdirectory(app)
+if(WITH_CYCLES_NETWORK)
+  add_definitions(-DWITH_NETWORK)
+endif()
+
+if(WITH_CYCLES_STANDALONE OR WITH_CYCLES_NETWORK OR WITH_CYCLES_CUBIN_COMPILER)
+  add_subdirectory(app)
+endif()
+
 add_subdirectory(bvh)
 add_subdirectory(device)
 add_subdirectory(doc)
 add_subdirectory(graph)
-add_subdirectory(integrator)
 add_subdirectory(kernel)
 add_subdirectory(render)
 add_subdirectory(subd)

intern/cycles/app/CMakeLists.txt

@@ -90,6 +90,24 @@ if(WITH_CYCLES_STANDALONE)
   endif()
 endif()
 
+#####################################################################
+# Cycles network server executable
+#####################################################################
+
+if(WITH_CYCLES_NETWORK)
+  set(SRC
+    cycles_server.cpp
+  )
+  add_executable(cycles_server ${SRC})
+  target_link_libraries(cycles_server ${LIBRARIES})
+  cycles_target_link_libraries(cycles_server)
+
+  if(UNIX AND NOT APPLE)
+    set_target_properties(cycles_server PROPERTIES INSTALL_RPATH $ORIGIN/lib)
+  endif()
+  unset(SRC)
+endif()
+
 #####################################################################
 # Cycles cubin compiler executable
 #####################################################################

intern/cycles/app/cycles_standalone.cpp

@@ -53,7 +53,7 @@ struct Options {
   SessionParams session_params;
   bool quiet;
   bool show_help, interactive, pause;
-  string output_filepath;
+  string output_path;
 } options;
 
 static void session_print(const string &str)
@@ -126,7 +126,7 @@ static BufferParams &session_buffer_params()
 
 static void scene_init()
 {
-  options.scene = options.session->scene;
+  options.scene = new Scene(options.scene_params, options.session->device);
 
   /* Read XML */
   xml_read_file(options.scene, options.filepath.c_str());
@@ -148,7 +148,7 @@ static void scene_init()
 static void session_init()
 {
   options.session_params.write_render_cb = write_render;
-  options.session = new Session(options.session_params, options.scene_params);
+  options.session = new Session(options.session_params);
 
   if (options.session_params.background && !options.quiet)
     options.session->progress.set_update_callback(function_bind(&session_print_status));
@@ -159,8 +159,9 @@ static void session_init()
 
   /* load scene */
   scene_init();
+  options.session->scene = options.scene;
 
-  options.session->reset(options.session_params, session_buffer_params());
+  options.session->reset(session_buffer_params(), options.session_params.samples);
   options.session->start();
 }
 
@@ -222,7 +223,9 @@ static void display_info(Progress &progress)
 
 static void display()
 {
-  options.session->draw();
+  static DeviceDrawParams draw_params = DeviceDrawParams();
+
+  options.session->draw(session_buffer_params(), draw_params);
 
   display_info(options.session->progress);
 }
@@ -252,7 +255,7 @@ static void motion(int x, int y, int button)
     options.session->scene->camera->need_flags_update = true;
     options.session->scene->camera->need_device_update = true;
 
-    options.session->reset(options.session_params, session_buffer_params());
+    options.session->reset(session_buffer_params(), options.session_params.samples);
   }
 }
 
@@ -269,7 +272,7 @@ static void resize(int width, int height)
     options.session->scene->camera->need_flags_update = true;
     options.session->scene->camera->need_device_update = true;
 
-    options.session->reset(options.session_params, session_buffer_params());
+    options.session->reset(session_buffer_params(), options.session_params.samples);
   }
 }
 
@@ -281,7 +284,7 @@ static void keyboard(unsigned char key)
 
   /* Reset */
   else if (key == 'r')
-    options.session->reset(options.session_params, session_buffer_params());
+    options.session->reset(session_buffer_params(), options.session_params.samples);
 
   /* Cancel */
   else if (key == 27)  // escape
@@ -318,7 +321,7 @@ static void keyboard(unsigned char key)
     options.session->scene->camera->need_flags_update = true;
     options.session->scene->camera->need_device_update = true;
 
-    options.session->reset(options.session_params, session_buffer_params());
+    options.session->reset(session_buffer_params(), options.session_params.samples);
   }
 
   /* Set Max Bounces */
@@ -344,7 +347,7 @@ static void keyboard(unsigned char key)
 
     options.session->scene->integrator->set_max_bounce(bounce);
 
-    options.session->reset(options.session_params, session_buffer_params());
+    options.session->reset(session_buffer_params(), options.session_params.samples);
   }
 }
 #endif
@@ -359,13 +362,11 @@ static int files_parse(int argc, const char *argv[])
 
 static void options_parse(int argc, const char **argv)
 {
-  options.width = 1024;
-  options.height = 512;
+  options.width = 0;
+  options.height = 0;
   options.filepath = "";
   options.session = NULL;
   options.quiet = false;
-  options.session_params.use_auto_tile = false;
-  options.session_params.tile_size = 0;
 
   /* device names */
   string device_names = "";
@@ -411,7 +412,7 @@ static void options_parse(int argc, const char **argv)
              &options.session_params.samples,
              "Number of samples to render",
              "--output %s",
-             &options.output_filepath,
+             &options.output_path,
              "File path to write output image",
              "--threads %d",
              &options.session_params.threads,
@@ -422,9 +423,12 @@ static void options_parse(int argc, const char **argv)
              "--height %d",
              &options.height,
              "Window height in pixel",
-             "--tile-size %d",
-             &options.session_params.tile_size,
-             "Tile size in pixels",
+             "--tile-width %d",
+             &options.session_params.tile_size.x,
+             "Tile width in pixels",
+             "--tile-height %d",
+             &options.session_params.tile_size.y,
+             "Tile height in pixels",
              "--list-devices",
              &list,
              "List information about all available devices",
@@ -486,9 +490,8 @@ static void options_parse(int argc, const char **argv)
   options.session_params.background = true;
 #endif
 
-  if (options.session_params.tile_size > 0) {
-    options.session_params.use_auto_tile = true;
-  }
+  /* Use progressive rendering */
+  options.session_params.progressive = true;
 
   /* find matching device */
   DeviceType device_type = Device::type_from_string(devicename.c_str());
@@ -524,6 +527,9 @@ static void options_parse(int argc, const char **argv)
     fprintf(stderr, "No file path specified\n");
     exit(EXIT_FAILURE);
   }
+
+  /* For smoother Viewport */
+  options.session_params.start_resolution = 64;
 }
 
 CCL_NAMESPACE_END

intern/cycles/app/cycles_xml.cpp

@@ -703,7 +703,7 @@ void xml_read_file(Scene *scene, const char *filepath)
 
   xml_read_include(state, path_filename(filepath));
 
-  scene->params.bvh_type = BVH_TYPE_STATIC;
+  scene->params.bvh_type = SceneParams::BVH_STATIC;
 }
 
 CCL_NAMESPACE_END

intern/cycles/blender/CMakeLists.txt

@@ -33,7 +33,6 @@ set(SRC
   blender_device.cpp
   blender_image.cpp
   blender_geometry.cpp
-  blender_gpu_display.cpp
   blender_light.cpp
   blender_mesh.cpp
   blender_object.cpp
@@ -51,7 +50,6 @@ set(SRC
 
   CCL_api.h
   blender_device.h
-  blender_gpu_display.h
   blender_id_map.h
   blender_image.h
   blender_object_cull.h
@@ -95,6 +93,14 @@ set(ADDON_FILES
 
 add_definitions(${GL_DEFINITIONS})
 
+if(WITH_CYCLES_DEVICE_OPENCL)
+  add_definitions(-DWITH_OPENCL)
+endif()
+
+if(WITH_CYCLES_NETWORK)
+  add_definitions(-DWITH_NETWORK)
+endif()
+
 if(WITH_MOD_FLUID)
   add_definitions(-DWITH_FLUID)
 endif()

intern/cycles/blender/addon/__init__.py

@@ -58,6 +58,7 @@ class CyclesRender(bpy.types.RenderEngine):
     bl_use_eevee_viewport = True
     bl_use_preview = True
     bl_use_exclude_layers = True
+    bl_use_save_buffers = True
     bl_use_spherical_stereo = True
     bl_use_custom_freestyle = True
     bl_use_alembic_procedural = True
@@ -84,12 +85,6 @@ class CyclesRender(bpy.types.RenderEngine):
     def render(self, depsgraph):
         engine.render(self, depsgraph)
 
-    def render_frame_finish(self):
-        engine.render_frame_finish(self)
-
-    def draw(self, context, depsgraph):
-        engine.draw(self, depsgraph, context.space_data)
-
     def bake(self, depsgraph, obj, pass_type, pass_filter, width, height):
         engine.bake(self, depsgraph, obj, pass_type, pass_filter, width, height)
 
@@ -103,7 +98,7 @@ class CyclesRender(bpy.types.RenderEngine):
         engine.sync(self, depsgraph, context.blend_data)
 
     def view_draw(self, context, depsgraph):
-        engine.view_draw(self, depsgraph, context.region, context.space_data, context.region_data)
+        engine.draw(self, depsgraph, context.region, context.space_data, context.region_data)
 
     def update_script_node(self, node):
         if engine.with_osl():

intern/cycles/blender/addon/engine.py

@@ -18,17 +18,62 @@
 from __future__ import annotations
 
 
+def _is_using_buggy_driver():
+    import gpu
+    # We need to be conservative here because in multi-GPU systems display card
+    # might be quite old, but others one might be just good.
+    #
+    # So We shouldn't disable possible good dedicated cards just because display
+    # card seems weak. And instead we only blacklist configurations which are
+    # proven to cause problems.
+    if gpu.platform.vendor_get() == "ATI Technologies Inc.":
+        import re
+        version = gpu.platform.version_get()
+        if version.endswith("Compatibility Profile Context"):
+            # Old HD 4xxx and 5xxx series drivers did not have driver version
+            # in the version string, but those cards do not quite work and
+            # causing crashes.
+            return True
+        regex = re.compile(".*Compatibility Profile Context ([0-9]+(\\.[0-9]+)+)$")
+        if not regex.match(version):
+            # Skip cards like FireGL
+            return False
+        version = regex.sub("\\1", version).split('.')
+        return int(version[0]) == 8
+    return False
+
+
+def _workaround_buggy_drivers():
+    if _is_using_buggy_driver():
+        import _cycles
+        if hasattr(_cycles, "opencl_disable"):
+            print("Cycles: OpenGL driver known to be buggy, disabling OpenCL platform.")
+            _cycles.opencl_disable()
+
+
 def _configure_argument_parser():
     import argparse
     # No help because it conflicts with general Python scripts argument parsing
     parser = argparse.ArgumentParser(description="Cycles Addon argument parser",
                                      add_help=False)
+    parser.add_argument("--cycles-resumable-num-chunks",
+                        help="Number of chunks to split sample range into",
+                        default=None)
+    parser.add_argument("--cycles-resumable-current-chunk",
+                        help="Current chunk of samples range to render",
+                        default=None)
+    parser.add_argument("--cycles-resumable-start-chunk",
+                        help="Start chunk to render",
+                        default=None)
+    parser.add_argument("--cycles-resumable-end-chunk",
+                        help="End chunk to render",
+                        default=None)
     parser.add_argument("--cycles-print-stats",
                         help="Print rendering statistics to stderr",
                         action='store_true')
     parser.add_argument("--cycles-device",
                         help="Set the device to use for Cycles, overriding user preferences and the scene setting."
-                             "Valid options are 'CPU', 'CUDA' or 'OPTIX'."
+                             "Valid options are 'CPU', 'CUDA', 'OPTIX' or 'OPENCL'."
                              "Additionally, you can append '+CPU' to any GPU type for hybrid rendering.",
                         default=None)
     return parser
@@ -44,6 +89,21 @@ def _parse_command_line():
     parser = _configure_argument_parser()
     args, _ = parser.parse_known_args(argv[argv.index("--") + 1:])
 
+    if args.cycles_resumable_num_chunks is not None:
+        if args.cycles_resumable_current_chunk is not None:
+            import _cycles
+            _cycles.set_resumable_chunk(
+                int(args.cycles_resumable_num_chunks),
+                int(args.cycles_resumable_current_chunk),
+            )
+        elif args.cycles_resumable_start_chunk is not None and \
+                args.cycles_resumable_end_chunk:
+            import _cycles
+            _cycles.set_resumable_chunk_range(
+                int(args.cycles_resumable_num_chunks),
+                int(args.cycles_resumable_start_chunk),
+                int(args.cycles_resumable_end_chunk),
+            )
     if args.cycles_print_stats:
         import _cycles
         _cycles.enable_print_stats()
@@ -58,11 +118,23 @@ def init():
     import _cycles
     import os.path
 
+    # Workaround possibly buggy legacy drivers which crashes on the OpenCL
+    # device enumeration.
+    #
+    # This checks are not really correct because they might still fail
+    # in the case of multiple GPUs. However, currently buggy drivers
+    # are really old and likely to be used in single GPU systems only
+    # anyway.
+    #
+    # Can't do it in the background mode, so we hope OpenCL is no enabled
+    # in the user preferences.
+    if not bpy.app.background:
+        _workaround_buggy_drivers()
+
     path = os.path.dirname(__file__)
     user_path = os.path.dirname(os.path.abspath(bpy.utils.user_resource('CONFIG', path='')))
-    temp_path = bpy.app.tempdir
 
-    _cycles.init(path, user_path, temp_path, bpy.app.background)
+    _cycles.init(path, user_path, bpy.app.background)
     _parse_command_line()
 
 
@@ -105,25 +177,6 @@ def render(engine, depsgraph):
         _cycles.render(engine.session, depsgraph.as_pointer())
 
 
-def render_frame_finish(engine):
-    if not engine.session:
-        return
-
-    import _cycles
-    _cycles.render_frame_finish(engine.session)
-
-def draw(engine, depsgraph, space_image):
-    if not engine.session:
-        return
-
-    depsgraph_ptr = depsgraph.as_pointer()
-    space_image_ptr = space_image.as_pointer()
-    screen_ptr = space_image.id_data.as_pointer()
-
-    import _cycles
-    _cycles.draw(engine.session, depsgraph_ptr, screen_ptr, space_image_ptr)
-
-
 def bake(engine, depsgraph, obj, pass_type, pass_filter, width, height):
     import _cycles
     session = getattr(engine, "session", None)
@@ -151,14 +204,14 @@ def sync(engine, depsgraph, data):
     _cycles.sync(engine.session, depsgraph.as_pointer())
 
 
-def view_draw(engine, depsgraph, region, v3d, rv3d):
+def draw(engine, depsgraph, region, v3d, rv3d):
     import _cycles
     depsgraph = depsgraph.as_pointer()
     v3d = v3d.as_pointer()
     rv3d = rv3d.as_pointer()
 
     # draw render image
-    _cycles.view_draw(engine.session, depsgraph, v3d, rv3d)
+    _cycles.draw(engine.session, depsgraph, v3d, rv3d)
 
 
 def available_devices():
@@ -171,6 +224,11 @@ def with_osl():
     return _cycles.with_osl
 
 
+def with_network():
+    import _cycles
+    return _cycles.with_network
+
+
 def system_info():
     import _cycles
     return _cycles.system_info()
@@ -185,7 +243,6 @@ def list_render_passes(scene, srl):
     # Data passes.
     if srl.use_pass_z:                     yield ("Depth",         "Z",    'VALUE')
     if srl.use_pass_mist:                  yield ("Mist",          "Z",    'VALUE')
-    if srl.use_pass_position:              yield ("Position",      "XYZ",  'VECTOR')
     if srl.use_pass_normal:                yield ("Normal",        "XYZ",  'VECTOR')
     if srl.use_pass_vector:                yield ("Vector",        "XYZW", 'VECTOR')
     if srl.use_pass_uv:                    yield ("UV",            "UVA",  'VECTOR')
@@ -208,7 +265,6 @@ def list_render_passes(scene, srl):
     if srl.use_pass_environment:           yield ("Env",           "RGB",  'COLOR')
     if srl.use_pass_shadow:                yield ("Shadow",        "RGB",  'COLOR')
     if srl.use_pass_ambient_occlusion:     yield ("AO",            "RGB",  'COLOR')
-    if crl.use_pass_shadow_catcher:        yield ("Shadow Catcher",      "RGB",  'COLOR')
 
     # Debug passes.
     if crl.pass_debug_render_time:             yield ("Debug Render Time",             "X",   'VALUE')
@@ -227,20 +283,30 @@ def list_render_passes(scene, srl):
             yield ("CryptoAsset" + '{:02d}'.format(i), "RGBA", 'COLOR')
 
     # Denoising passes.
-    if scene.cycles.use_denoising and crl.use_denoising:
+    if (scene.cycles.use_denoising and crl.use_denoising) or crl.denoising_store_passes:
         yield ("Noisy Image", "RGBA", 'COLOR')
-        if crl.use_pass_shadow_catcher:
-            yield ("Noisy Shadow Catcher", "RGBA", 'COLOR')
-    if crl.denoising_store_passes:
-        yield ("Denoising Normal",          "XYZ", 'VECTOR')
-        yield ("Denoising Albedo",          "RGB", 'COLOR')
+        if crl.denoising_store_passes:
+            yield ("Denoising Normal",          "XYZ", 'VECTOR')
+            yield ("Denoising Albedo",          "RGB", 'COLOR')
+            yield ("Denoising Depth",           "Z",   'VALUE')
+
+            if scene.cycles.denoiser == 'NLM':
+                yield ("Denoising Shadowing",       "X",   'VALUE')
+                yield ("Denoising Variance",        "RGB", 'COLOR')
+                yield ("Denoising Intensity",       "X",   'VALUE')
+
+                clean_options = ("denoising_diffuse_direct", "denoising_diffuse_indirect",
+                                 "denoising_glossy_direct", "denoising_glossy_indirect",
+                                 "denoising_transmission_direct", "denoising_transmission_indirect")
+                if any(getattr(crl, option) for option in clean_options):
+                    yield ("Denoising Clean", "RGB", 'COLOR')
 
     # Custom AOV passes.
     for aov in srl.aovs:
         if aov.type == 'VALUE':
             yield (aov.name, "X", 'VALUE')
         else:
-            yield (aov.name, "RGB", 'COLOR')
+            yield (aov.name, "RGBA", 'COLOR')
 
 
 def register_passes(engine, scene, view_layer):

intern/cycles/blender/addon/presets.py

@@ -60,48 +60,32 @@ class AddPresetSampling(AddPresetBase, Operator):
     ]
 
     preset_values = [
-        "cycles.use_adaptive_sampling",
         "cycles.samples",
-        "cycles.adaptive_threshold",
-        "cycles.adaptive_min_samples",
-        "cycles.time_limit",
-        "cycles.use_denoising",
-        "cycles.denoiser",
-        "cycles.denoising_input_passes",
-        "cycles.denoising_prefilter",
+        "cycles.preview_samples",
+        "cycles.aa_samples",
+        "cycles.preview_aa_samples",
+        "cycles.diffuse_samples",
+        "cycles.glossy_samples",
+        "cycles.transmission_samples",
+        "cycles.ao_samples",
+        "cycles.mesh_light_samples",
+        "cycles.subsurface_samples",
+        "cycles.volume_samples",
+        "cycles.use_square_samples",
+        "cycles.progressive",
+        "cycles.seed",
+        "cycles.sample_clamp_direct",
+        "cycles.sample_clamp_indirect",
+        "cycles.sample_all_lights_direct",
+        "cycles.sample_all_lights_indirect",
     ]
 
     preset_subdir = "cycles/sampling"
 
 
-class AddPresetViewportSampling(AddPresetBase, Operator):
-    '''Add a Viewport Sampling Preset'''
-    bl_idname = "render.cycles_viewport_sampling_preset_add"
-    bl_label = "Add Viewport Sampling Preset"
-    preset_menu = "CYCLES_PT_viewport_sampling_presets"
-
-    preset_defines = [
-        "cycles = bpy.context.scene.cycles"
-    ]
-
-    preset_values = [
-        "cycles.use_preview_adaptive_sampling",
-        "cycles.preview_samples",
-        "cycles.preview_adaptive_threshold",
-        "cycles.preview_adaptive_min_samples",
-        "cycles.use_preview_denoising",
-        "cycles.preview_denoiser",
-        "cycles.preview_denoising_input_passes",
-        "cycles.preview_denoising_prefilter",
-        "cycles.preview_denoising_start_sample",
-    ]
-
-    preset_subdir = "cycles/viewport_sampling"
-
 classes = (
     AddPresetIntegrator,
     AddPresetSampling,
-    AddPresetViewportSampling,
 )
 
 

intern/cycles/blender/addon/properties.py

@@ -39,6 +39,11 @@ enum_devices = (
     ('GPU', "GPU Compute", "Use GPU compute device for rendering, configured in the system tab in the user preferences"),
 )
 
+from _cycles import with_network
+if with_network:
+    enum_devices += (('NETWORK', "Networked Device", "Use networked device for rendering"),)
+del with_network
+
 enum_feature_set = (
     ('SUPPORTED', "Supported", "Only use finished and supported features"),
     ('EXPERIMENTAL', "Experimental", "Use experimental and incomplete features that might be broken or change in the future", 'ERROR', 1),
@@ -79,6 +84,15 @@ enum_curve_shape = (
     ('THICK', "3D Curves", "Render hair as 3D curve, for accurate results when viewing hair close up"),
 )
 
+enum_tile_order = (
+    ('CENTER', "Center", "Render from center to the edges"),
+    ('RIGHT_TO_LEFT', "Right to Left", "Render from right to left"),
+    ('LEFT_TO_RIGHT', "Left to Right", "Render from left to right"),
+    ('TOP_TO_BOTTOM', "Top to Bottom", "Render from top to bottom"),
+    ('BOTTOM_TO_TOP', "Bottom to Top", "Render from bottom to top"),
+    ('HILBERT_SPIRAL', "Hilbert Spiral", "Render in a Hilbert Spiral"),
+)
+
 enum_use_layer_samples = (
     ('USE', "Use", "Per render layer number of samples override scene samples"),
     ('BOUNDED', "Bounded", "Bound per render layer number of samples by global samples"),
@@ -87,9 +101,15 @@ enum_use_layer_samples = (
 
 enum_sampling_pattern = (
     ('SOBOL', "Sobol", "Use Sobol random sampling pattern"),
+    ('CORRELATED_MUTI_JITTER', "Correlated Multi-Jitter", "Use Correlated Multi-Jitter random sampling pattern"),
     ('PROGRESSIVE_MUTI_JITTER', "Progressive Multi-Jitter", "Use Progressive Multi-Jitter random sampling pattern"),
 )
 
+enum_integrator = (
+    ('BRANCHED_PATH', "Branched Path Tracing", "Path tracing integrator that branches on the first bounce, giving more control over the number of light and material samples"),
+    ('PATH', "Path Tracing", "Pure path tracing integrator"),
+)
+
 enum_volume_sampling = (
     ('DISTANCE', "Distance", "Use distance sampling, best for dense volumes with lights far away"),
     ('EQUIANGULAR', "Equiangular", "Use equiangular sampling, best for volumes with low density with light inside or near the volume"),
@@ -111,6 +131,7 @@ enum_device_type = (
     ('CPU', "CPU", "CPU", 0),
     ('CUDA', "CUDA", "CUDA", 1),
     ('OPTIX', "OptiX", "OptiX", 3),
+    ('OPENCL', "OpenCL", "OpenCL", 2)
 )
 
 enum_texture_limit = (
@@ -123,46 +144,39 @@ enum_texture_limit = (
     ('4096', "4096", "Limit texture size to 4096 pixels", 6),
     ('8192', "8192", "Limit texture size to 8192 pixels", 7),
 )
- 
-# NOTE: Identifiers are expected to be an upper case version of identifiers from  `Pass::get_type_enum()`
+
 enum_view3d_shading_render_pass = (
     ('', "General", ""),
 
-    ('COMBINED', "Combined", "Show the Combined Render pass"),
-    ('EMISSION', "Emission", "Show the Emission render pass"),
-    ('BACKGROUND', "Background", "Show the Background render pass"),
-    ('AO', "Ambient Occlusion", "Show the Ambient Occlusion render pass"),
-    ('SHADOW', "Shadow", "Show the Shadow render pass"),
-    ('SHADOW_CATCHER', "Shadow Catcher", "Show the Shadow Catcher render pass"),
+    ('COMBINED', "Combined", "Show the Combined Render pass", 1),
+    ('EMISSION', "Emission", "Show the Emission render pass", 33),
+    ('BACKGROUND', "Background", "Show the Background render pass", 34),
+    ('AO', "Ambient Occlusion", "Show the Ambient Occlusion render pass", 35),
 
     ('', "Light", ""),
 
-    ('DIFFUSE_DIRECT', "Diffuse Direct", "Show the Diffuse Direct render pass"),
-    ('DIFFUSE_INDIRECT', "Diffuse Indirect", "Show the Diffuse Indirect render pass"),
-    ('DIFFUSE_COLOR', "Diffuse Color", "Show the Diffuse Color render pass"),
+    ('DIFFUSE_DIRECT', "Diffuse Direct", "Show the Diffuse Direct render pass", 38),
+    ('DIFFUSE_INDIRECT', "Diffuse Indirect", "Show the Diffuse Indirect render pass", 39),
+    ('DIFFUSE_COLOR', "Diffuse Color", "Show the Diffuse Color render pass", 40),
 
-    ('GLOSSY_DIRECT', "Glossy Direct", "Show the Glossy Direct render pass"),
-    ('GLOSSY_INDIRECT', "Glossy Indirect", "Show the Glossy Indirect render pass"),
-    ('GLOSSY_COLOR', "Glossy Color", "Show the Glossy Color render pass"),
+    ('GLOSSY_DIRECT', "Glossy Direct", "Show the Glossy Direct render pass", 41),
+    ('GLOSSY_INDIRECT', "Glossy Indirect", "Show the Glossy Indirect render pass", 42),
+    ('GLOSSY_COLOR', "Glossy Color", "Show the Glossy Color render pass", 43),
 
     ('', "", ""),
 
-    ('TRANSMISSION_DIRECT', "Transmission Direct", "Show the Transmission Direct render pass"),
-    ('TRANSMISSION_INDIRECT', "Transmission Indirect", "Show the Transmission Indirect render pass"),
-    ('TRANSMISSION_COLOR', "Transmission Color", "Show the Transmission Color render pass"),
+    ('TRANSMISSION_DIRECT', "Transmission Direct", "Show the Transmission Direct render pass", 44),
+    ('TRANSMISSION_INDIRECT', "Transmission Indirect", "Show the Transmission Indirect render pass", 45),
+    ('TRANSMISSION_COLOR', "Transmission Color", "Show the Transmission Color render pass", 46),
 
-    ('VOLUME_DIRECT', "Volume Direct", "Show the Volume Direct render pass"),
-    ('VOLUME_INDIRECT', "Volume Indirect", "Show the Volume Indirect render pass"),
+    ('VOLUME_DIRECT', "Volume Direct", "Show the Volume Direct render pass", 50),
+    ('VOLUME_INDIRECT', "Volume Indirect", "Show the Volume Indirect render pass", 51),
 
     ('', "Data", ""),
 
-    ('POSITION', "Position", "Show the Position render pass"),
-    ('NORMAL', "Normal", "Show the Normal render pass"),
-    ('UV', "UV", "Show the UV render pass"),
-    ('MIST', "Mist", "Show the Mist render pass"),
-    ('DENOISING_ALBEDO', "Denoising Albedo", "Albedo pass used by denoiser"),
-    ('DENOISING_NORMAL', "Denoising Normal", "Normal pass used by denoiser"),
-    ('SAMPLE_COUNT', "Sample Count", "Per-pixel number of samples"),
+    ('NORMAL', "Normal", "Show the Normal render pass", 3),
+    ('UV', "UV", "Show the UV render pass", 4),
+    ('MIST', "Mist", "Show the Mist render pass", 32),
 )
 
 
@@ -194,23 +208,18 @@ def enum_preview_denoiser(self, context):
 
 
 def enum_denoiser(self, context):
-    items = []
+    items = [('NLM', "NLM", "Cycles native non-local means denoiser, running on any compute device", 1)]
     items += enum_optix_denoiser(self, context)
     items += enum_openimagedenoise_denoiser(self, context)
     return items
 
 
 enum_denoising_input_passes = (
-    ('RGB', "None", "Don't use utility passes for denoising", 1),
-    ('RGB_ALBEDO', "Albedo", "Use albedo pass for denoising", 2),
-    ('RGB_ALBEDO_NORMAL', "Albedo and Normal", "Use albedo and normal passes for denoising", 3),
+    ('RGB', "Color", "Use only color as input", 1),
+    ('RGB_ALBEDO', "Color + Albedo", "Use color and albedo data as input", 2),
+    ('RGB_ALBEDO_NORMAL', "Color + Albedo + Normal", "Use color, albedo and normal data as input", 3),
 )
 
-enum_denoising_prefilter = (
-    ('NONE', "None", "No prefiltering, use when guiding passes are noise-free", 1),
-    ('FAST', "Fast", "Denoise color and guiding passes together. Improves quality when guiding passes are noisy using least amount of extra processing time", 2),
-    ('ACCURATE', "Accurate", "Prefilter noisy guiding passes before denoising color. Improves quality when guiding passes are noisy using extra processing time", 3),
-)
 
 def update_render_passes(self, context):
     scene = context.scene
@@ -243,6 +252,13 @@ class CyclesRenderSettings(bpy.types.PropertyGroup):
         description="Use Open Shading Language (CPU rendering only)",
     )
 
+    progressive: EnumProperty(
+        name="Integrator",
+        description="Method to sample lights and materials",
+        items=enum_integrator,
+        default='PATH',
+    )
+
     preview_pause: BoolProperty(
         name="Pause Preview",
         description="Pause all viewport preview renders",
@@ -252,88 +268,110 @@ class CyclesRenderSettings(bpy.types.PropertyGroup):
     use_denoising: BoolProperty(
         name="Use Denoising",
         description="Denoise the rendered image",
-        default=True,
+        default=False,
         update=update_render_passes,
     )
-    denoiser: EnumProperty(
-        name="Denoiser",
-        description="Denoise the image with the selected denoiser. "
-        "For denoising the image after rendering",
-        items=enum_denoiser,
-        default=4, # Use integer to avoid error in builds without OpenImageDenoise.
-        update=update_render_passes,
-    )
-    denoising_prefilter: EnumProperty(
-        name="Denoising Prefilter",
-        description="Prefilter noisy guiding (albedo and normal) passes to improve denoising quality when using OpenImageDenoiser",
-        items=enum_denoising_prefilter,
-        default='ACCURATE',
-    )
-    denoising_input_passes: EnumProperty(
-        name="Denoising Input Passes",
-        description="Passes used by the denoiser to distinguish noise from shader and geometry detail",
-        items=enum_denoising_input_passes,
-        default='RGB_ALBEDO_NORMAL',
-    )
-
     use_preview_denoising: BoolProperty(
         name="Use Viewport Denoising",
         description="Denoise the image in the 3D viewport",
         default=False,
     )
+
+    denoiser: EnumProperty(
+        name="Denoiser",
+        description="Denoise the image with the selected denoiser. "
+        "For denoising the image after rendering, denoising data render passes "
+        "also adapt to the selected denoiser",
+        items=enum_denoiser,
+        default=1,
+        update=update_render_passes,
+    )
     preview_denoiser: EnumProperty(
         name="Viewport Denoiser",
         description="Denoise the image after each preview update with the selected denoiser",
         items=enum_preview_denoiser,
         default=0,
     )
-    preview_denoising_prefilter: EnumProperty(
-        name="Viewport Denoising Prefilter",
-        description="Prefilter noisy guiding (albedo and normal) passes to improve denoising quality when using OpenImageDenoiser",
-        items=enum_denoising_prefilter,
-        default='FAST',
-    )
-    preview_denoising_input_passes: EnumProperty(
-        name="Viewport Denoising Input Passes",
-        description="Passes used by the denoiser to distinguish noise from shader and geometry detail",
-        items=enum_denoising_input_passes,
-        default='RGB_ALBEDO',
-    )
-    preview_denoising_start_sample: IntProperty(
-        name="Start Denoising",
-        description="Sample to start denoising the preview at",
-        min=0, max=(1 << 24),
-        default=1,
+
+    use_square_samples: BoolProperty(
+        name="Square Samples",
+        description="Square sampling values for easier artist control",
+        default=False,
     )
 
     samples: IntProperty(
         name="Samples",
         description="Number of samples to render for each pixel",
         min=1, max=(1 << 24),
-        default=4096,
+        default=128,
     )
     preview_samples: IntProperty(
         name="Viewport Samples",
         description="Number of samples to render in the viewport, unlimited if 0",
         min=0, max=(1 << 24),
-        default=1024,
+        default=32,
+    )
+    aa_samples: IntProperty(
+        name="AA Samples",
+        description="Number of antialiasing samples to render for each pixel",
+        min=1, max=2097151,
+        default=128,
+    )
+    preview_aa_samples: IntProperty(
+        name="AA Samples",
+        description="Number of antialiasing samples to render in the viewport, unlimited if 0",
+        min=0, max=2097151,
+        default=32,
     )
 
-    time_limit: FloatProperty(
-        name="Time Limit",
-        description="Limit the render time (excluding synchronization time)."
-        "Zero disables the limit",
-        min=0.0,
-        default=0.0,
-        step=100.0,
-        unit='TIME_ABSOLUTE',
+    diffuse_samples: IntProperty(
+        name="Diffuse Samples",
+        description="Number of diffuse bounce samples to render for each AA sample",
+        min=1, max=1024,
+        default=1,
+    )
+    glossy_samples: IntProperty(
+        name="Glossy Samples",
+        description="Number of glossy bounce samples to render for each AA sample",
+        min=1, max=1024,
+        default=1,
+    )
+    transmission_samples: IntProperty(
+        name="Transmission Samples",
+        description="Number of transmission bounce samples to render for each AA sample",
+        min=1, max=1024,
+        default=1,
+    )
+    ao_samples: IntProperty(
+        name="Ambient Occlusion Samples",
+        description="Number of ambient occlusion samples to render for each AA sample",
+        min=1, max=1024,
+        default=1,
+    )
+    mesh_light_samples: IntProperty(
+        name="Mesh Light Samples",
+        description="Number of mesh emission light samples to render for each AA sample",
+        min=1, max=1024,
+        default=1,
+    )
+    subsurface_samples: IntProperty(
+        name="Subsurface Samples",
+        description="Number of subsurface scattering samples to render for each AA sample",
+        min=1, max=1024,
+        default=1,
+    )
+    volume_samples: IntProperty(
+        name="Volume Samples",
+        description="Number of volume scattering samples to render for each AA sample",
+        min=1, max=1024,
+        default=1,
     )
 
     sampling_pattern: EnumProperty(
         name="Sampling Pattern",
         description="Random sampling pattern used by the integrator",
         items=enum_sampling_pattern,
-        default='PROGRESSIVE_MUTI_JITTER',
+        default='SOBOL',
     )
 
     use_layer_samples: EnumProperty(
@@ -343,6 +381,17 @@ class CyclesRenderSettings(bpy.types.PropertyGroup):
         default='USE',
     )
 
+    sample_all_lights_direct: BoolProperty(
+        name="Sample All Direct Lights",
+        description="Sample all lights (for direct samples), rather than randomly picking one",
+        default=True,
+    )
+
+    sample_all_lights_indirect: BoolProperty(
+        name="Sample All Indirect Lights",
+        description="Sample all lights (for indirect samples), rather than randomly picking one",
+        default=True,
+    )
     light_sampling_threshold: FloatProperty(
         name="Light Sampling Threshold",
         description="Probabilistically terminate light samples when the light contribution is below this threshold (more noise but faster rendering). "
@@ -354,39 +403,19 @@ class CyclesRenderSettings(bpy.types.PropertyGroup):
     use_adaptive_sampling: BoolProperty(
         name="Use Adaptive Sampling",
         description="Automatically reduce the number of samples per pixel based on estimated noise level",
-        default=True,
+        default=False,
     )
+
     adaptive_threshold: FloatProperty(
         name="Adaptive Sampling Threshold",
         description="Noise level step to stop sampling at, lower values reduce noise at the cost of render time. Zero for automatic setting based on number of AA samples",
         min=0.0, max=1.0,
-        soft_min=0.001,
-        default=0.01,
+        default=0.0,
         precision=4,
     )
     adaptive_min_samples: IntProperty(
         name="Adaptive Min Samples",
-        description="Minimum AA samples for adaptive sampling, to discover noisy features before stopping sampling. Zero for automatic setting based on noise threshold",
-        min=0, max=4096,
-        default=0,
-    )
-
-    use_preview_adaptive_sampling: BoolProperty(
-        name="Use Adaptive Sampling",
-        description="Automatically reduce the number of samples per pixel based on estimated noise level, for viewport renders",
-        default=True,
-    )
-    preview_adaptive_threshold: FloatProperty(
-        name="Adaptive Sampling Threshold",
-        description="Noise level step to stop sampling at, lower values reduce noise at the cost of render time. Zero for automatic setting based on number of AA samples, for viewport renders",
-        min=0.0, max=1.0,
-        soft_min=0.001,
-        default=0.1,
-        precision=4,
-    )
-    preview_adaptive_min_samples: IntProperty(
-        name="Adaptive Min Samples",
-        description="Minimum AA samples for adaptive sampling, to discover noisy features before stopping sampling. Zero for automatic setting based on noise threshold, for viewport renders",
+        description="Minimum AA samples for adaptive sampling, to discover noisy features before stopping sampling. Zero for automatic setting based on number of AA samples",
         min=0, max=4096,
         default=0,
     )
@@ -603,6 +632,53 @@ class CyclesRenderSettings(bpy.types.PropertyGroup):
         default=10.0,
     )
 
+    debug_tile_size: IntProperty(
+        name="Tile Size",
+        description="",
+        min=1, max=4096,
+        default=1024,
+    )
+
+    preview_start_resolution: IntProperty(
+        name="Start Resolution",
+        description="Resolution to start rendering preview at, "
+        "progressively increasing it to the full viewport size",
+        min=8, max=16384,
+        default=64,
+        subtype='PIXEL'
+    )
+    preview_denoising_start_sample: IntProperty(
+        name="Start Denoising",
+        description="Sample to start denoising the preview at",
+        min=0, max=(1 << 24),
+        default=1,
+    )
+    preview_denoising_input_passes: EnumProperty(
+        name="Viewport Input Passes",
+        description="Passes used by the denoiser to distinguish noise from shader and geometry detail",
+        items=enum_denoising_input_passes,
+        default='RGB_ALBEDO',
+    )
+
+    debug_reset_timeout: FloatProperty(
+        name="Reset timeout",
+        description="",
+        min=0.01, max=10.0,
+        default=0.1,
+    )
+    debug_cancel_timeout: FloatProperty(
+        name="Cancel timeout",
+        description="",
+        min=0.01, max=10.0,
+        default=0.1,
+    )
+    debug_text_timeout: FloatProperty(
+        name="Text timeout",
+        description="",
+        min=0.01, max=10.0,
+        default=1.0,
+    )
+
     debug_bvh_type: EnumProperty(
         name="Viewport BVH Type",
         description="Choose between faster updates, or faster render",
@@ -625,24 +701,38 @@ class CyclesRenderSettings(bpy.types.PropertyGroup):
         default=0,
         min=0, max=16,
     )
+    tile_order: EnumProperty(
+        name="Tile Order",
+        description="Tile order for rendering",
+        items=enum_tile_order,
+        default='HILBERT_SPIRAL',
+        options=set(),  # Not animatable!
+    )
+    use_progressive_refine: BoolProperty(
+        name="Progressive Refine",
+        description="Instead of rendering each tile until it is finished, "
+        "refine the whole image progressively "
+        "(this renders somewhat slower, "
+        "but time can be saved by manually stopping the render when the noise is low enough)",
+        default=False,
+    )
 
     bake_type: EnumProperty(
         name="Bake Type",
         default='COMBINED',
         description="Type of pass to bake",
         items=(
-            ('COMBINED', "Combined", "", 0),
-            ('AO', "Ambient Occlusion", "", 1),
-            ('SHADOW', "Shadow", "", 2),
-            ('POSITION', "Position", "", 11),
-            ('NORMAL', "Normal", "", 3),
-            ('UV', "UV", "", 4),
-            ('ROUGHNESS', "Roughness", "", 5),
-            ('EMIT', "Emit", "", 6),
-            ('ENVIRONMENT', "Environment", "", 7),
-            ('DIFFUSE', "Diffuse", "", 8),
-            ('GLOSSY', "Glossy", "", 9),
-            ('TRANSMISSION', "Transmission", "", 10),
+            ('COMBINED', "Combined", ""),
+            ('AO', "Ambient Occlusion", ""),
+            ('SHADOW', "Shadow", ""),
+            ('NORMAL', "Normal", ""),
+            ('UV', "UV", ""),
+            ('ROUGHNESS', "Roughness", ""),
+            ('EMIT', "Emit", ""),
+            ('ENVIRONMENT', "Environment", ""),
+            ('DIFFUSE', "Diffuse", ""),
+            ('GLOSSY', "Glossy", ""),
+            ('TRANSMISSION', "Transmission", ""),
         ),
     )
 
@@ -737,18 +827,6 @@ class CyclesRenderSettings(bpy.types.PropertyGroup):
         min=0, max=1024,
     )
 
-    use_auto_tile: BoolProperty(
-        name="Auto Tiles",
-        description="Automatically render high resolution images in tiles to reduce memory usage, using the specified tile size. Tiles are cached to disk while rendering to save memory",
-        default=True,
-    )
-    tile_size: IntProperty(
-        name="Tile Size",
-        default=2048,
-        description="",
-        min=8, max=16384,
-    )
-
     # Various fine-tuning debug flags
 
     def _devices_update_callback(self, context):
@@ -766,13 +844,45 @@ class CyclesRenderSettings(bpy.types.PropertyGroup):
         items=enum_bvh_layouts,
         default='EMBREE',
     )
+    debug_use_cpu_split_kernel: BoolProperty(name="Split Kernel", default=False)
 
     debug_use_cuda_adaptive_compile: BoolProperty(name="Adaptive Compile", default=False)
+    debug_use_cuda_split_kernel: BoolProperty(name="Split Kernel", default=False)
 
-    debug_use_optix_debug: BoolProperty(
-        name="OptiX Module Debug",
-        description="Load OptiX module in debug mode: lower logging verbosity level, enable validations, and lower optimization level",
-        default=False
+    debug_optix_cuda_streams: IntProperty(name="CUDA Streams", default=1, min=1)
+    debug_optix_curves_api: BoolProperty(name="Native OptiX Curve Primitive", default=False)
+
+    debug_opencl_kernel_type: EnumProperty(
+        name="OpenCL Kernel Type",
+        default='DEFAULT',
+        items=(
+            ('DEFAULT', "Default", ""),
+            ('MEGA', "Mega", ""),
+            ('SPLIT', "Split", ""),
+        ),
+        update=CyclesRenderSettings._devices_update_callback
+    )
+
+    debug_opencl_device_type: EnumProperty(
+        name="OpenCL Device Type",
+        default='ALL',
+        items=(
+            ('NONE', "None", ""),
+            ('ALL', "All", ""),
+            ('DEFAULT', "Default", ""),
+            ('CPU', "CPU", ""),
+            ('GPU', "GPU", ""),
+            ('ACCELERATOR', "Accelerator", ""),
+        ),
+        update=CyclesRenderSettings._devices_update_callback
+    )
+
+    debug_use_opencl_debug: BoolProperty(name="Debug OpenCL", default=False)
+
+    debug_opencl_mem_limit: IntProperty(
+        name="Memory limit",
+        default=0,
+        description="Artificial limit on OpenCL memory usage in MB (0 to disable limit)"
     )
 
     @classmethod
@@ -921,6 +1031,12 @@ class CyclesLightSettings(bpy.types.PropertyGroup):
         description="Light casts shadows",
         default=True,
     )
+    samples: IntProperty(
+        name="Samples",
+        description="Number of light samples to render for each AA sample",
+        min=1, max=10000,
+        default=1,
+    )
     max_bounces: IntProperty(
         name="Max Bounces",
         description="Maximum number of bounces the light will contribute to the render",
@@ -968,6 +1084,12 @@ class CyclesWorldSettings(bpy.types.PropertyGroup):
         min=4, max=8192,
         default=1024,
     )
+    samples: IntProperty(
+        name="Samples",
+        description="Number of light samples to render for each AA sample",
+        min=1, max=10000,
+        default=1,
+    )
     max_bounces: IntProperty(
         name="Max Bounces",
         description="Maximum number of bounces the background light will contribute to the render",
@@ -1221,25 +1343,91 @@ class CyclesRenderLayerSettings(bpy.types.PropertyGroup):
         update=update_render_passes,
     )
 
-    use_pass_shadow_catcher: BoolProperty(
-        name="Shadow Catcher",
-        description="Pass containing shadows and light which is to be multiplied into backdrop",
-        default=False,
-        update=update_render_passes,
-    )
-
     use_denoising: BoolProperty(
         name="Use Denoising",
         description="Denoise the rendered image",
         default=True,
         update=update_render_passes,
     )
+    denoising_diffuse_direct: BoolProperty(
+        name="Diffuse Direct",
+        description="Denoise the direct diffuse lighting",
+        default=True,
+    )
+    denoising_diffuse_indirect: BoolProperty(
+        name="Diffuse Indirect",
+        description="Denoise the indirect diffuse lighting",
+        default=True,
+    )
+    denoising_glossy_direct: BoolProperty(
+        name="Glossy Direct",
+        description="Denoise the direct glossy lighting",
+        default=True,
+    )
+    denoising_glossy_indirect: BoolProperty(
+        name="Glossy Indirect",
+        description="Denoise the indirect glossy lighting",
+        default=True,
+    )
+    denoising_transmission_direct: BoolProperty(
+        name="Transmission Direct",
+        description="Denoise the direct transmission lighting",
+        default=True,
+    )
+    denoising_transmission_indirect: BoolProperty(
+        name="Transmission Indirect",
+        description="Denoise the indirect transmission lighting",
+        default=True,
+    )
+    denoising_strength: FloatProperty(
+        name="Denoising Strength",
+        description="Controls neighbor pixel weighting for the denoising filter (lower values preserve more detail, but aren't as smooth)",
+        min=0.0, max=1.0,
+        default=0.5,
+    )
+    denoising_feature_strength: FloatProperty(
+        name="Denoising Feature Strength",
+        description="Controls removal of noisy image feature passes (lower values preserve more detail, but aren't as smooth)",
+        min=0.0, max=1.0,
+        default=0.5,
+    )
+    denoising_radius: IntProperty(
+        name="Denoising Radius",
+        description="Size of the image area that's used to denoise a pixel (higher values are smoother, but might lose detail and are slower)",
+        min=1, max=25,
+        default=8,
+        subtype="PIXEL",
+    )
+    denoising_relative_pca: BoolProperty(
+        name="Relative Filter",
+        description="When removing pixels that don't carry information, use a relative threshold instead of an absolute one (can help to reduce artifacts, but might cause detail loss around edges)",
+        default=False,
+    )
     denoising_store_passes: BoolProperty(
         name="Store Denoising Passes",
         description="Store the denoising feature passes and the noisy image. The passes adapt to the denoiser selected for rendering",
         default=False,
         update=update_render_passes,
     )
+    denoising_neighbor_frames: IntProperty(
+        name="Neighbor Frames",
+        description="Number of neighboring frames to use for denoising animations (more frames produce smoother results at the cost of performance)",
+        min=0, max=7,
+        default=0,
+    )
+
+    denoising_optix_input_passes: EnumProperty(
+        name="Input Passes",
+        description="Passes used by the denoiser to distinguish noise from shader and geometry detail",
+        items=enum_denoising_input_passes,
+        default='RGB_ALBEDO',
+    )
+    denoising_openimagedenoise_input_passes: EnumProperty(
+        name="Input Passes",
+        description="Passes used by the denoiser to distinguish noise from shader and geometry detail",
+        items=enum_denoising_input_passes,
+        default='RGB_ALBEDO_NORMAL',
+    )
 
     @classmethod
     def register(cls):
@@ -1266,12 +1454,14 @@ class CyclesPreferences(bpy.types.AddonPreferences):
 
     def get_device_types(self, context):
         import _cycles
-        has_cuda, has_optix = _cycles.get_device_types()
+        has_cuda, has_optix, has_opencl = _cycles.get_device_types()
         list = [('NONE', "None", "Don't use compute device", 0)]
         if has_cuda:
             list.append(('CUDA', "CUDA", "Use CUDA for GPU acceleration", 1))
         if has_optix:
             list.append(('OPTIX', "OptiX", "Use OptiX for GPU acceleration", 3))
+        if has_opencl:
+            list.append(('OPENCL', "OpenCL", "Use OpenCL for GPU acceleration", 2))
         return list
 
     compute_device_type: EnumProperty(
@@ -1296,7 +1486,7 @@ class CyclesPreferences(bpy.types.AddonPreferences):
 
     def update_device_entries(self, device_list):
         for device in device_list:
-            if not device[1] in {'CUDA', 'OPTIX', 'CPU'}:
+            if not device[1] in {'CUDA', 'OPTIX', 'OPENCL', 'CPU'}:
                 continue
             # Try to find existing Device entry
             entry = self.find_existing_device_entry(device)
@@ -1330,23 +1520,22 @@ class CyclesPreferences(bpy.types.AddonPreferences):
             elif entry.type == 'CPU':
                 cpu_devices.append(entry)
         # Extend all GPU devices with CPU.
-        if compute_device_type != 'CPU':
+        if compute_device_type in {'CUDA', 'OPTIX', 'OPENCL'}:
             devices.extend(cpu_devices)
         return devices
 
-    # Refresh device list. This does not happen automatically on Blender
-    # startup due to unstable OpenCL implementations that can cause crashes.
-    def refresh_devices(self):
+    # For backwards compatibility, only returns CUDA and OpenCL but still
+    # refreshes all devices.
+    def get_devices(self, compute_device_type=''):
         import _cycles
         # Ensure `self.devices` is not re-allocated when the second call to
         # get_devices_for_type is made, freeing items from the first list.
         for device_type in ('CUDA', 'OPTIX', 'OPENCL'):
             self.update_device_entries(_cycles.available_devices(device_type))
 
-    # Deprecated: use refresh_devices instead.
-    def get_devices(self, compute_device_type=''):
-        self.refresh_devices()
-        return None
+        cuda_devices = self.get_devices_for_type('CUDA')
+        opencl_devices = self.get_devices_for_type('OPENCL')
+        return cuda_devices, opencl_devices
 
     def get_num_gpu_devices(self):
         import _cycles
@@ -1412,10 +1601,6 @@ class CyclesView3DShadingSettings(bpy.types.PropertyGroup):
         items=enum_view3d_shading_render_pass,
         default='COMBINED',
     )
-    show_active_pixels: BoolProperty(
-        name="Show Active Pixels",
-        description="When using adaptive sampling highlight pixels which are being sampled",
-    )
 
 
 def register():

intern/cycles/blender/addon/ui.py

@@ -34,12 +34,6 @@ class CYCLES_PT_sampling_presets(PresetPanel, Panel):
     preset_add_operator = "render.cycles_sampling_preset_add"
     COMPAT_ENGINES = {'CYCLES'}
 
-class CYCLES_PT_viewport_sampling_presets(PresetPanel, Panel):
-    bl_label = "Viewport Sampling Presets"
-    preset_subdir = "cycles/viewport_sampling"
-    preset_operator = "script.execute_preset"
-    preset_add_operator = "render.cycles_viewport_sampling_preset_add"
-    COMPAT_ENGINES = {'CYCLES'}
 
 class CYCLES_PT_integrator_presets(PresetPanel, Panel):
     bl_label = "Integrator Presets"
@@ -60,15 +54,6 @@ class CyclesButtonsPanel:
         return context.engine in cls.COMPAT_ENGINES
 
 
-class CyclesDebugButtonsPanel(CyclesButtonsPanel):
-    @classmethod
-    def poll(cls, context):
-        prefs = bpy.context.preferences
-        return (CyclesButtonsPanel.poll(context)
-                and prefs.experimental.use_cycles_debug
-                and prefs.view.show_developer_ui)
-
-
 # Adapt properties editor panel to display in node editor. We have to
 # copy the class rather than inherit due to the way bpy registration works.
 def node_panel(cls):
@@ -93,6 +78,12 @@ def use_cpu(context):
     return (get_device_type(context) == 'NONE' or cscene.device == 'CPU')
 
 
+def use_opencl(context):
+    cscene = context.scene.cycles
+
+    return (get_device_type(context) == 'OPENCL' and cscene.device == 'GPU')
+
+
 def use_cuda(context):
     cscene = context.scene.cycles
 
@@ -105,6 +96,12 @@ def use_optix(context):
     return (get_device_type(context) == 'OPTIX' and cscene.device == 'GPU')
 
 
+def use_branched_path(context):
+    cscene = context.scene.cycles
+
+    return (cscene.progressive == 'BRANCHED_PATH' and not use_optix(context))
+
+
 def use_sample_all_lights(context):
     cscene = context.scene.cycles
 
@@ -118,93 +115,55 @@ def show_device_active(context):
     return context.preferences.addons[__package__].preferences.has_active_device()
 
 
-def get_effective_preview_denoiser(context):
-    scene = context.scene
-    cscene = scene.cycles
+def draw_samples_info(layout, context):
+    cscene = context.scene.cycles
+    integrator = cscene.progressive
 
-    if cscene.preview_denoiser != "AUTO":
-        return cscene.preview_denoiser
+    # Calculate sample values
+    if integrator == 'PATH':
+        aa = cscene.samples
+        if cscene.use_square_samples:
+            aa = aa * aa
+    else:
+        aa = cscene.aa_samples
+        d = cscene.diffuse_samples
+        g = cscene.glossy_samples
+        t = cscene.transmission_samples
+        ao = cscene.ao_samples
+        ml = cscene.mesh_light_samples
+        sss = cscene.subsurface_samples
+        vol = cscene.volume_samples
 
-    if context.preferences.addons[__package__].preferences.get_devices_for_type('OPTIX'):
-        return 'OPTIX'
-
-    return 'OIDN'
+        if cscene.use_square_samples:
+            aa = aa * aa
+            d = d * d
+            g = g * g
+            t = t * t
+            ao = ao * ao
+            ml = ml * ml
+            sss = sss * sss
+            vol = vol * vol
 
+    # Draw interface
+    # Do not draw for progressive, when Square Samples are disabled
+    if use_branched_path(context) or (cscene.use_square_samples and integrator == 'PATH'):
+        col = layout.column(align=True)
+        col.scale_y = 0.6
+        col.label(text="Total Samples:")
+        col.separator()
+        if integrator == 'PATH':
+            col.label(text="%s AA" % aa)
+        else:
+            col.label(text="%s AA, %s Diffuse, %s Glossy, %s Transmission" %
+                      (aa, d * aa, g * aa, t * aa))
+            col.separator()
+            col.label(text="%s AO, %s Mesh Light, %s Subsurface, %s Volume" %
+                      (ao * aa, ml * aa, sss * aa, vol * aa))
 
 
 class CYCLES_RENDER_PT_sampling(CyclesButtonsPanel, Panel):
     bl_label = "Sampling"
 
-    def draw(self, context):
-        pass
-
-
-class CYCLES_RENDER_PT_sampling_viewport(CyclesButtonsPanel, Panel):
-    bl_label = "Viewport"
-    bl_parent_id = "CYCLES_RENDER_PT_sampling"
-
-    def draw_header_preset(self, context):
-        CYCLES_PT_viewport_sampling_presets.draw_panel_header(self.layout)
-
-    def draw(self, context):
-        layout = self.layout
-
-        scene = context.scene
-        cscene = scene.cycles
-
-        layout.use_property_split = True
-        layout.use_property_decorate = False
-
-        heading = layout.column(align=True, heading="Noise Threshold")
-        row = heading.row(align=True)
-        row.prop(cscene, "use_preview_adaptive_sampling", text="")
-        sub = row.row()
-        sub.active = cscene.use_preview_adaptive_sampling
-        sub.prop(cscene, "preview_adaptive_threshold", text="")
-
-        if cscene.use_preview_adaptive_sampling:
-            col = layout.column(align=True)
-            col.prop(cscene, "preview_samples", text=" Max Samples")
-            col.prop(cscene, "preview_adaptive_min_samples", text="Min Samples")
-        else:
-            layout.prop(cscene, "preview_samples", text="Samples")
-
-
-class CYCLES_RENDER_PT_sampling_viewport_denoise(CyclesButtonsPanel, Panel):
-    bl_label = "Denoise"
-    bl_parent_id = 'CYCLES_RENDER_PT_sampling_viewport'
-    bl_options = {'DEFAULT_CLOSED'}
-
-    def draw_header(self, context):
-        scene = context.scene
-        cscene = scene.cycles
-
-        self.layout.prop(context.scene.cycles, "use_preview_denoising", text="")
-
-    def draw(self, context):
-        layout = self.layout
-        layout.use_property_split = True
-        layout.use_property_decorate = False
-
-        scene = context.scene
-        cscene = scene.cycles
-
-        col = layout.column()
-        col.active = cscene.use_preview_denoising
-        col.prop(cscene, "preview_denoiser", text="Denoiser")
-        col.prop(cscene, "preview_denoising_input_passes", text="Passes")
-
-        effective_preview_denoiser = get_effective_preview_denoiser(context)
-        if effective_preview_denoiser == 'OPENIMAGEDENOISE':
-            col.prop(cscene, "preview_denoising_prefilter", text="Prefilter")
-
-        col.prop(cscene, "preview_denoising_start_sample", text="Start Sample")
-
-
-class CYCLES_RENDER_PT_sampling_render(CyclesButtonsPanel, Panel):
-    bl_label = "Render"
-    bl_parent_id = "CYCLES_RENDER_PT_sampling"
-
     def draw_header_preset(self, context):
         CYCLES_PT_sampling_presets.draw_panel_header(self.layout)
 
@@ -217,32 +176,29 @@ class CYCLES_RENDER_PT_sampling_render(CyclesButtonsPanel, Panel):
         layout.use_property_split = True
         layout.use_property_decorate = False
 
-        heading = layout.column(align=True, heading="Noise Threshold")
-        row = heading.row(align=True)
-        row.prop(cscene, "use_adaptive_sampling", text="")
-        sub = row.row()
-        sub.active = cscene.use_adaptive_sampling
-        sub.prop(cscene, "adaptive_threshold", text="")
+        if not use_optix(context):
+            layout.prop(cscene, "progressive")
 
-        col = layout.column(align=True)
-        if cscene.use_adaptive_sampling:
-            col.prop(cscene, "samples", text=" Max Samples")
-            col.prop(cscene, "adaptive_min_samples", text="Min Samples")
+        if not use_branched_path(context):
+            col = layout.column(align=True)
+            col.prop(cscene, "samples", text="Render")
+            col.prop(cscene, "preview_samples", text="Viewport")
         else:
-            col.prop(cscene, "samples", text="Samples")
-        col.prop(cscene, "time_limit")
+            col = layout.column(align=True)
+            col.prop(cscene, "aa_samples", text="Render")
+            col.prop(cscene, "preview_aa_samples", text="Viewport")
+
+        if not use_branched_path(context):
+            draw_samples_info(layout, context)
 
 
-class CYCLES_RENDER_PT_sampling_render_denoise(CyclesButtonsPanel, Panel):
-    bl_label = "Denoise"
-    bl_parent_id = 'CYCLES_RENDER_PT_sampling_render'
-    bl_options = {'DEFAULT_CLOSED'}
+class CYCLES_RENDER_PT_sampling_sub_samples(CyclesButtonsPanel, Panel):
+    bl_label = "Sub Samples"
+    bl_parent_id = "CYCLES_RENDER_PT_sampling"
 
-    def draw_header(self, context):
-        scene = context.scene
-        cscene = scene.cycles
-
-        self.layout.prop(context.scene.cycles, "use_denoising", text="")
+    @classmethod
+    def poll(cls, context):
+        return use_branched_path(context)
 
     def draw(self, context):
         layout = self.layout
@@ -252,12 +208,88 @@ class CYCLES_RENDER_PT_sampling_render_denoise(CyclesButtonsPanel, Panel):
         scene = context.scene
         cscene = scene.cycles
 
-        col = layout.column()
-        col.active = cscene.use_denoising
-        col.prop(cscene, "denoiser", text="Denoiser")
-        col.prop(cscene, "denoising_input_passes", text="Passes")
-        if cscene.denoiser == 'OPENIMAGEDENOISE':
-            col.prop(cscene, "denoising_prefilter", text="Prefilter")
+        col = layout.column(align=True)
+        col.prop(cscene, "diffuse_samples", text="Diffuse")
+        col.prop(cscene, "glossy_samples", text="Glossy")
+        col.prop(cscene, "transmission_samples", text="Transmission")
+        col.prop(cscene, "ao_samples", text="AO")
+
+        sub = col.row(align=True)
+        sub.active = use_sample_all_lights(context)
+        sub.prop(cscene, "mesh_light_samples", text="Mesh Light")
+        col.prop(cscene, "subsurface_samples", text="Subsurface")
+        col.prop(cscene, "volume_samples", text="Volume")
+
+        draw_samples_info(layout, context)
+
+
+class CYCLES_RENDER_PT_sampling_adaptive(CyclesButtonsPanel, Panel):
+    bl_label = "Adaptive Sampling"
+    bl_parent_id = "CYCLES_RENDER_PT_sampling"
+    bl_options = {'DEFAULT_CLOSED'}
+
+    def draw_header(self, context):
+        layout = self.layout
+        scene = context.scene
+        cscene = scene.cycles
+
+        layout.prop(cscene, "use_adaptive_sampling", text="")
+
+    def draw(self, context):
+        layout = self.layout
+        layout.use_property_split = True
+        layout.use_property_decorate = False
+
+        scene = context.scene
+        cscene = scene.cycles
+
+        layout.active = cscene.use_adaptive_sampling
+
+        col = layout.column(align=True)
+        col.prop(cscene, "adaptive_threshold", text="Noise Threshold")
+        col.prop(cscene, "adaptive_min_samples", text="Min Samples")
+
+
+class CYCLES_RENDER_PT_sampling_denoising(CyclesButtonsPanel, Panel):
+    bl_label = "Denoising"
+    bl_parent_id = "CYCLES_RENDER_PT_sampling"
+    bl_options = {'DEFAULT_CLOSED'}
+
+    def draw(self, context):
+        layout = self.layout
+        layout.use_property_split = True
+        layout.use_property_decorate = False
+
+        scene = context.scene
+        cscene = scene.cycles
+
+        heading = layout.column(align=True, heading="Render")
+        row = heading.row(align=True)
+        row.prop(cscene, "use_denoising", text="")
+        sub = row.row()
+
+        sub.active = cscene.use_denoising
+        for view_layer in scene.view_layers:
+            if view_layer.cycles.denoising_store_passes:
+                sub.active = True
+
+        sub.prop(cscene, "denoiser", text="")
+
+        layout.separator()
+
+        heading = layout.column(align=False, heading="Viewport")
+        row = heading.row(align=True)
+        row.prop(cscene, "use_preview_denoising", text="")
+        sub = row.row()
+        sub.active = cscene.use_preview_denoising
+        sub.prop(cscene, "preview_denoiser", text="")
+
+        sub = heading.row(align=True)
+        sub.active = cscene.use_preview_denoising
+        sub.prop(cscene, "preview_denoising_start_sample", text="Start Sample")
+        sub = heading.row(align=True)
+        sub.active = cscene.use_preview_denoising
+        sub.prop(cscene, "preview_denoising_input_passes", text="Input Passes")
 
 
 class CYCLES_RENDER_PT_sampling_advanced(CyclesButtonsPanel, Panel):
@@ -281,6 +313,8 @@ class CYCLES_RENDER_PT_sampling_advanced(CyclesButtonsPanel, Panel):
         col.active = not(cscene.use_adaptive_sampling)
         col.prop(cscene, "sampling_pattern", text="Pattern")
 
+        layout.prop(cscene, "use_square_samples")
+
         layout.separator()
 
         col = layout.column(align=True)
@@ -288,6 +322,11 @@ class CYCLES_RENDER_PT_sampling_advanced(CyclesButtonsPanel, Panel):
         col.prop(cscene, "min_transparent_bounces")
         col.prop(cscene, "light_sampling_threshold", text="Light Threshold")
 
+        if cscene.progressive != 'PATH' and use_branched_path(context):
+            col = layout.column(align=True)
+            col.prop(cscene, "sample_all_lights_direct")
+            col.prop(cscene, "sample_all_lights_indirect")
+
         for view_layer in scene.view_layers:
             if view_layer.samples > 0:
                 layout.separator()
@@ -295,6 +334,62 @@ class CYCLES_RENDER_PT_sampling_advanced(CyclesButtonsPanel, Panel):
                 break
 
 
+class CYCLES_RENDER_PT_sampling_total(CyclesButtonsPanel, Panel):
+    bl_label = "Total Samples"
+    bl_parent_id = "CYCLES_RENDER_PT_sampling"
+
+    @classmethod
+    def poll(cls, context):
+        scene = context.scene
+        cscene = scene.cycles
+
+        if cscene.use_square_samples:
+            return True
+
+        return cscene.progressive != 'PATH' and use_branched_path(context)
+
+    def draw(self, context):
+        layout = self.layout
+        cscene = context.scene.cycles
+        integrator = cscene.progressive
+
+        # Calculate sample values
+        if integrator == 'PATH':
+            aa = cscene.samples
+            if cscene.use_square_samples:
+                aa = aa * aa
+        else:
+            aa = cscene.aa_samples
+            d = cscene.diffuse_samples
+            g = cscene.glossy_samples
+            t = cscene.transmission_samples
+            ao = cscene.ao_samples
+            ml = cscene.mesh_light_samples
+            sss = cscene.subsurface_samples
+            vol = cscene.volume_samples
+
+            if cscene.use_square_samples:
+                aa = aa * aa
+                d = d * d
+                g = g * g
+                t = t * t
+                ao = ao * ao
+                ml = ml * ml
+                sss = sss * sss
+                vol = vol * vol
+
+        col = layout.column(align=True)
+        col.scale_y = 0.6
+        if integrator == 'PATH':
+            col.label(text="%s AA" % aa)
+        else:
+            col.label(text="%s AA, %s Diffuse, %s Glossy, %s Transmission" %
+                      (aa, d * aa, g * aa, t * aa))
+            col.separator()
+            col.label(text="%s AO, %s Mesh Light, %s Subsurface, %s Volume" %
+                      (ao * aa, ml * aa, sss * aa, vol * aa))
+
+
 class CYCLES_RENDER_PT_subdivision(CyclesButtonsPanel, Panel):
     bl_label = "Subdivision"
     bl_options = {'DEFAULT_CLOSED'}
@@ -453,8 +548,6 @@ class CYCLES_RENDER_PT_light_paths_fast_gi(CyclesButtonsPanel, Panel):
         layout.use_property_split = True
         layout.use_property_decorate = False
 
-        layout.active = cscene.use_fast_gi
-
         col = layout.column(align=True)
         col.prop(cscene, "ao_bounces", text="Viewport Bounces")
         col.prop(cscene, "ao_bounces_render", text="Render Bounces")
@@ -613,8 +706,8 @@ class CYCLES_RENDER_PT_performance_threads(CyclesButtonsPanel, Panel):
         sub.prop(rd, "threads")
 
 
-class CYCLES_RENDER_PT_performance_memory(CyclesButtonsPanel, Panel):
-    bl_label = "Memory"
+class CYCLES_RENDER_PT_performance_tiles(CyclesButtonsPanel, Panel):
+    bl_label = "Tiles"
     bl_parent_id = "CYCLES_RENDER_PT_performance"
 
     def draw(self, context):
@@ -623,13 +716,19 @@ class CYCLES_RENDER_PT_performance_memory(CyclesButtonsPanel, Panel):
         layout.use_property_decorate = False
 
         scene = context.scene
+        rd = scene.render
         cscene = scene.cycles
 
         col = layout.column()
-        col.prop(cscene, "use_auto_tile")
+
+        sub = col.column(align=True)
+        sub.prop(rd, "tile_x", text="Tiles X")
+        sub.prop(rd, "tile_y", text="Y")
+        col.prop(cscene, "tile_order", text="Order")
+
         sub = col.column()
-        sub.active = cscene.use_auto_tile
-        sub.prop(cscene, "tile_size")
+        sub.active = not rd.use_save_buffers and not cscene.use_adaptive_sampling
+        sub.prop(cscene, "use_progressive_refine")
 
 
 class CYCLES_RENDER_PT_performance_acceleration_structure(CyclesButtonsPanel, Panel):
@@ -679,6 +778,7 @@ class CYCLES_RENDER_PT_performance_final_render(CyclesButtonsPanel, Panel):
 
         col = layout.column()
 
+        col.prop(rd, "use_save_buffers")
         col.prop(rd, "use_persistent_data", text="Persistent Data")
 
 
@@ -697,6 +797,7 @@ class CYCLES_RENDER_PT_performance_viewport(CyclesButtonsPanel, Panel):
 
         col = layout.column()
         col.prop(rd, "preview_pixel_size", text="Pixel Size")
+        col.prop(cscene, "preview_start_resolution", text="Start Pixels")
 
 
 class CYCLES_RENDER_PT_filter(CyclesButtonsPanel, Panel):
@@ -717,6 +818,7 @@ class CYCLES_RENDER_PT_filter(CyclesButtonsPanel, Panel):
 
         col = layout.column(heading="Include")
         col.prop(view_layer, "use_sky", text="Environment")
+        col.prop(view_layer, "use_ao", text="Ambient Occlusion")
         col.prop(view_layer, "use_solid", text="Surfaces")
         col.prop(view_layer, "use_strand", text="Hair")
         col.prop(view_layer, "use_volumes", text="Volumes")
@@ -725,9 +827,6 @@ class CYCLES_RENDER_PT_filter(CyclesButtonsPanel, Panel):
         sub = col.row()
         sub.prop(view_layer, "use_motion_blur", text="Motion Blur")
         sub.active = rd.use_motion_blur
-        sub = col.row()
-        sub.prop(view_layer.cycles, 'use_denoising', text='Denoising')
-        sub.active = scene.cycles.use_denoising
 
 
 class CYCLES_RENDER_PT_override(CyclesButtonsPanel, Panel):
@@ -773,7 +872,6 @@ class CYCLES_RENDER_PT_passes_data(CyclesButtonsPanel, Panel):
         col.prop(view_layer, "use_pass_combined")
         col.prop(view_layer, "use_pass_z")
         col.prop(view_layer, "use_pass_mist")
-        col.prop(view_layer, "use_pass_position")
         col.prop(view_layer, "use_pass_normal")
         sub = col.column()
         sub.active = not rd.use_motion_blur
@@ -830,7 +928,6 @@ class CYCLES_RENDER_PT_passes_light(CyclesButtonsPanel, Panel):
         col.prop(view_layer, "use_pass_environment")
         col.prop(view_layer, "use_pass_shadow")
         col.prop(view_layer, "use_pass_ambient_occlusion", text="Ambient Occlusion")
-        col.prop(cycles_view_layer, "use_pass_shadow_catcher")
 
 
 class CYCLES_RENDER_PT_passes_crypto(CyclesButtonsPanel, ViewLayerCryptomattePanel, Panel):
@@ -845,6 +942,70 @@ class CYCLES_RENDER_PT_passes_aov(CyclesButtonsPanel, ViewLayerAOVPanel):
     bl_parent_id = "CYCLES_RENDER_PT_passes"
 
 
+class CYCLES_RENDER_PT_denoising(CyclesButtonsPanel, Panel):
+    bl_label = "Denoising"
+    bl_context = "view_layer"
+    bl_options = {'DEFAULT_CLOSED'}
+
+    @classmethod
+    def poll(cls, context):
+        cscene = context.scene.cycles
+        return CyclesButtonsPanel.poll(context) and cscene.use_denoising
+
+    def draw_header(self, context):
+        scene = context.scene
+        view_layer = context.view_layer
+        cycles_view_layer = view_layer.cycles
+
+        layout = self.layout
+        layout.prop(cycles_view_layer, "use_denoising", text="")
+
+    def draw(self, context):
+        layout = self.layout
+        layout.use_property_split = True
+        layout.use_property_decorate = False
+
+        scene = context.scene
+        view_layer = context.view_layer
+        cycles_view_layer = view_layer.cycles
+        denoiser = scene.cycles.denoiser
+
+        layout.active = denoiser != 'NONE' and cycles_view_layer.use_denoising
+
+        col = layout.column()
+
+        if denoiser == 'OPTIX':
+            col.prop(cycles_view_layer, "denoising_optix_input_passes")
+            return
+        elif denoiser == 'OPENIMAGEDENOISE':
+            col.prop(cycles_view_layer, "denoising_openimagedenoise_input_passes")
+            return
+
+        col.prop(cycles_view_layer, "denoising_radius", text="Radius")
+
+        col = layout.column()
+        col.prop(cycles_view_layer, "denoising_strength", slider=True, text="Strength")
+        col.prop(cycles_view_layer, "denoising_feature_strength", slider=True, text="Feature Strength")
+        col.prop(cycles_view_layer, "denoising_relative_pca")
+
+        layout.separator()
+
+        col = layout.column()
+        col.active = cycles_view_layer.use_denoising or cycles_view_layer.denoising_store_passes
+
+        row = col.row(heading="Diffuse", align=True)
+        row.prop(cycles_view_layer, "denoising_diffuse_direct", text="Direct", toggle=True)
+        row.prop(cycles_view_layer, "denoising_diffuse_indirect", text="Indirect", toggle=True)
+
+        row = col.row(heading="Glossy", align=True)
+        row.prop(cycles_view_layer, "denoising_glossy_direct", text="Direct", toggle=True)
+        row.prop(cycles_view_layer, "denoising_glossy_indirect", text="Indirect", toggle=True)
+
+        row = col.row(heading="Transmission", align=True)
+        row.prop(cycles_view_layer, "denoising_transmission_direct", text="Direct", toggle=True)
+        row.prop(cycles_view_layer, "denoising_transmission_indirect", text="Indirect", toggle=True)
+
+
 class CYCLES_PT_post_processing(CyclesButtonsPanel, Panel):
     bl_label = "Post Processing"
     bl_options = {'DEFAULT_CLOSED'}
@@ -1256,6 +1417,10 @@ class CYCLES_LIGHT_PT_light(CyclesButtonsPanel, Panel):
 
         if not (light.type == 'AREA' and clamp.is_portal):
             sub = col.column()
+            if use_branched_path(context):
+                subsub = sub.row(align=True)
+                subsub.active = use_sample_all_lights(context)
+                subsub.prop(clamp, "samples")
             sub.prop(clamp, "max_bounces")
 
         sub = col.column(align=True)
@@ -1361,6 +1526,34 @@ class CYCLES_WORLD_PT_volume(CyclesButtonsPanel, Panel):
         panel_node_draw(layout, world, 'OUTPUT_WORLD', 'Volume')
 
 
+class CYCLES_WORLD_PT_ambient_occlusion(CyclesButtonsPanel, Panel):
+    bl_label = "Ambient Occlusion"
+    bl_context = "world"
+    bl_options = {'DEFAULT_CLOSED'}
+
+    @classmethod
+    def poll(cls, context):
+        return context.world and CyclesButtonsPanel.poll(context)
+
+    def draw_header(self, context):
+        light = context.world.light_settings
+        self.layout.prop(light, "use_ambient_occlusion", text="")
+
+    def draw(self, context):
+        layout = self.layout
+        layout.use_property_split = True
+        layout.use_property_decorate = False
+
+        light = context.world.light_settings
+        scene = context.scene
+
+        col = layout.column()
+        sub = col.column()
+        sub.active = light.use_ambient_occlusion or scene.render.use_simplify
+        sub.prop(light, "ao_factor", text="Factor")
+        col.prop(light, "distance", text="Distance")
+
+
 class CYCLES_WORLD_PT_mist(CyclesButtonsPanel, Panel):
     bl_label = "Mist Pass"
     bl_context = "world"
@@ -1457,6 +1650,10 @@ class CYCLES_WORLD_PT_settings_surface(CyclesButtonsPanel, Panel):
         subsub = sub.row(align=True)
         subsub.active = cworld.sampling_method == 'MANUAL'
         subsub.prop(cworld, "sample_map_resolution")
+        if use_branched_path(context):
+            subsub = sub.column(align=True)
+            subsub.active = use_sample_all_lights(context)
+            subsub.prop(cworld, "samples")
         sub.prop(cworld, "max_bounces")
 
 
@@ -1480,7 +1677,8 @@ class CYCLES_WORLD_PT_settings_volume(CyclesButtonsPanel, Panel):
         col = layout.column()
 
         sub = col.column()
-        col.prop(cworld, "volume_sampling", text="Sampling")
+        sub.active = use_cpu(context)
+        sub.prop(cworld, "volume_sampling", text="Sampling")
         col.prop(cworld, "volume_interpolation", text="Interpolation")
         col.prop(cworld, "homogeneous_volume", text="Homogeneous")
         sub = col.column()
@@ -1619,7 +1817,8 @@ class CYCLES_MATERIAL_PT_settings_volume(CyclesButtonsPanel, Panel):
 
         col = layout.column()
         sub = col.column()
-        col.prop(cmat, "volume_sampling", text="Sampling")
+        sub.active = use_cpu(context)
+        sub.prop(cmat, "volume_sampling", text="Sampling")
         col.prop(cmat, "volume_interpolation", text="Interpolation")
         col.prop(cmat, "homogeneous_volume", text="Homogeneous")
         sub = col.column()
@@ -1646,6 +1845,9 @@ class CYCLES_RENDER_PT_bake(CyclesButtonsPanel, Panel):
         cbk = scene.render.bake
         rd = scene.render
 
+        if use_optix(context):
+            layout.label(text="Baking is performed using CUDA instead of OptiX", icon='INFO')
+
         if rd.use_bake_multires:
             layout.operator("object.bake_image", icon='RENDER_STILL')
             layout.prop(rd, "use_bake_multires")
@@ -1703,6 +1905,7 @@ class CYCLES_RENDER_PT_bake_influence(CyclesButtonsPanel, Panel):
             col.prop(cbk, "use_pass_diffuse")
             col.prop(cbk, "use_pass_glossy")
             col.prop(cbk, "use_pass_transmission")
+            col.prop(cbk, "use_pass_ambient_occlusion")
             col.prop(cbk, "use_pass_emit")
 
         elif cscene.bake_type in {'DIFFUSE', 'GLOSSY', 'TRANSMISSION'}:
@@ -1786,12 +1989,19 @@ class CYCLES_RENDER_PT_bake_output(CyclesButtonsPanel, Panel):
                 layout.prop(cbk, "use_clear", text="Clear Image")
 
 
-class CYCLES_RENDER_PT_debug(CyclesDebugButtonsPanel, Panel):
+class CYCLES_RENDER_PT_debug(CyclesButtonsPanel, Panel):
     bl_label = "Debug"
     bl_context = "render"
     bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'CYCLES'}
 
+    @classmethod
+    def poll(cls, context):
+        prefs = bpy.context.preferences
+        return (CyclesButtonsPanel.poll(context)
+                and prefs.experimental.use_cycles_debug
+                and prefs.view.show_developer_ui)
+
     def draw(self, context):
         layout = self.layout
 
@@ -1808,18 +2018,29 @@ class CYCLES_RENDER_PT_debug(CyclesDebugButtonsPanel, Panel):
         row.prop(cscene, "debug_use_cpu_avx", toggle=True)
         row.prop(cscene, "debug_use_cpu_avx2", toggle=True)
         col.prop(cscene, "debug_bvh_layout")
+        col.prop(cscene, "debug_use_cpu_split_kernel")
 
         col.separator()
 
         col = layout.column()
         col.label(text="CUDA Flags:")
         col.prop(cscene, "debug_use_cuda_adaptive_compile")
+        col.prop(cscene, "debug_use_cuda_split_kernel")
 
         col.separator()
 
         col = layout.column()
         col.label(text="OptiX Flags:")
-        col.prop(cscene, "debug_use_optix_debug")
+        col.prop(cscene, "debug_optix_cuda_streams")
+        col.prop(cscene, "debug_optix_curves_api")
+
+        col.separator()
+
+        col = layout.column()
+        col.label(text="OpenCL Flags:")
+        col.prop(cscene, "debug_opencl_device_type", text="Device")
+        col.prop(cscene, "debug_use_opencl_debug", text="Debug")
+        col.prop(cscene, "debug_opencl_mem_limit")
 
         col.separator()
 
@@ -1920,22 +2141,20 @@ class CYCLES_RENDER_PT_simplify_culling(CyclesButtonsPanel, Panel):
         sub.prop(cscene, "distance_cull_margin", text="")
 
 
-class CyclesShadingButtonsPanel(CyclesButtonsPanel):
+class CYCLES_VIEW3D_PT_shading_render_pass(Panel):
     bl_space_type = 'VIEW_3D'
     bl_region_type = 'HEADER'
+    bl_label = "Render Pass"
     bl_parent_id = 'VIEW3D_PT_shading'
+    COMPAT_ENGINES = {'CYCLES'}
 
     @classmethod
     def poll(cls, context):
         return (
-            CyclesButtonsPanel.poll(context) and
+            context.engine in cls.COMPAT_ENGINES and
             context.space_data.shading.type == 'RENDERED'
         )
 
-
-class CYCLES_VIEW3D_PT_shading_render_pass(CyclesShadingButtonsPanel, Panel):
-    bl_label = "Render Pass"
-
     def draw(self, context):
         shading = context.space_data.shading
 
@@ -1943,26 +2162,6 @@ class CYCLES_VIEW3D_PT_shading_render_pass(CyclesShadingButtonsPanel, Panel):
         layout.prop(shading.cycles, "render_pass", text="")
 
 
-class CYCLES_VIEW3D_PT_shading_debug(CyclesDebugButtonsPanel,
-                                     CyclesShadingButtonsPanel,
-                                     Panel):
-    bl_label = "Debug"
-
-    @classmethod
-    def poll(cls, context):
-        return (
-            CyclesDebugButtonsPanel.poll(context) and
-            CyclesShadingButtonsPanel.poll(context)
-        )
-
-    def draw(self, context):
-        shading = context.space_data.shading
-
-        layout = self.layout
-        layout.active = context.scene.cycles.use_preview_adaptive_sampling
-        layout.prop(shading.cycles, "show_active_pixels")
-
-
 class CYCLES_VIEW3D_PT_shading_lighting(Panel):
     bl_space_type = 'VIEW_3D'
     bl_region_type = 'HEADER'
@@ -2076,13 +2275,11 @@ def get_panels():
 
 classes = (
     CYCLES_PT_sampling_presets,
-    CYCLES_PT_viewport_sampling_presets,
     CYCLES_PT_integrator_presets,
     CYCLES_RENDER_PT_sampling,
-    CYCLES_RENDER_PT_sampling_viewport,
-    CYCLES_RENDER_PT_sampling_viewport_denoise,
-    CYCLES_RENDER_PT_sampling_render,
-    CYCLES_RENDER_PT_sampling_render_denoise,
+    CYCLES_RENDER_PT_sampling_sub_samples,
+    CYCLES_RENDER_PT_sampling_adaptive,
+    CYCLES_RENDER_PT_sampling_denoising,
     CYCLES_RENDER_PT_sampling_advanced,
     CYCLES_RENDER_PT_light_paths,
     CYCLES_RENDER_PT_light_paths_max_bounces,
@@ -2099,7 +2296,6 @@ classes = (
     CYCLES_VIEW3D_PT_simplify_greasepencil,
     CYCLES_VIEW3D_PT_shading_lighting,
     CYCLES_VIEW3D_PT_shading_render_pass,
-    CYCLES_VIEW3D_PT_shading_debug,
     CYCLES_RENDER_PT_motion_blur,
     CYCLES_RENDER_PT_motion_blur_curve,
     CYCLES_RENDER_PT_film,
@@ -2107,7 +2303,7 @@ classes = (
     CYCLES_RENDER_PT_film_transparency,
     CYCLES_RENDER_PT_performance,
     CYCLES_RENDER_PT_performance_threads,
-    CYCLES_RENDER_PT_performance_memory,
+    CYCLES_RENDER_PT_performance_tiles,
     CYCLES_RENDER_PT_performance_acceleration_structure,
     CYCLES_RENDER_PT_performance_final_render,
     CYCLES_RENDER_PT_performance_viewport,
@@ -2118,6 +2314,7 @@ classes = (
     CYCLES_RENDER_PT_passes_aov,
     CYCLES_RENDER_PT_filter,
     CYCLES_RENDER_PT_override,
+    CYCLES_RENDER_PT_denoising,
     CYCLES_PT_post_processing,
     CYCLES_CAMERA_PT_dof,
     CYCLES_CAMERA_PT_dof_aperture,
@@ -2136,6 +2333,7 @@ classes = (
     CYCLES_WORLD_PT_preview,
     CYCLES_WORLD_PT_surface,
     CYCLES_WORLD_PT_volume,
+    CYCLES_WORLD_PT_ambient_occlusion,
     CYCLES_WORLD_PT_mist,
     CYCLES_WORLD_PT_ray_visibility,
     CYCLES_WORLD_PT_settings,

intern/cycles/blender/addon/version_update.py

@@ -109,7 +109,7 @@ def do_versions(self):
         library_versions.setdefault(library.version, []).append(library)
 
     # Do versioning per library, since they might have different versions.
-    max_need_versioning = (3, 0, 25)
+    max_need_versioning = (2, 93, 7)
     for version, libraries in library_versions.items():
         if version > max_need_versioning:
             continue
@@ -166,6 +166,10 @@ def do_versions(self):
                 if not cscene.is_property_set("filter_type"):
                     cscene.pixel_filter_type = 'GAUSSIAN'
 
+                # Tile Order
+                if not cscene.is_property_set("tile_order"):
+                    cscene.tile_order = 'CENTER'
+
             if version <= (2, 76, 10):
                 cscene = scene.cycles
                 if cscene.is_property_set("filter_type"):
@@ -182,6 +186,10 @@ def do_versions(self):
             if version <= (2, 79, 0):
                 cscene = scene.cycles
                 # Default changes
+                if not cscene.is_property_set("aa_samples"):
+                    cscene.aa_samples = 4
+                if not cscene.is_property_set("preview_aa_samples"):
+                    cscene.preview_aa_samples = 4
                 if not cscene.is_property_set("blur_glossy"):
                     cscene.blur_glossy = 0.0
                 if not cscene.is_property_set("sample_clamp_indirect"):
@@ -195,6 +203,7 @@ def do_versions(self):
                     view_layer.use_pass_cryptomatte_material = cview_layer.get("use_pass_crypto_material", False)
                     view_layer.use_pass_cryptomatte_asset = cview_layer.get("use_pass_crypto_asset", False)
                     view_layer.pass_cryptomatte_depth = cview_layer.get("pass_crypto_depth", 6)
+                    view_layer.use_pass_cryptomatte_accurate = cview_layer.get("pass_crypto_accurate", True)
 
             if version <= (2, 93, 7):
                 if scene.render.engine == 'CYCLES':
@@ -220,35 +229,6 @@ def do_versions(self):
                     cscene.ao_bounces = 1
                     cscene.ao_bounces_render = 1
 
-            if version <= (3, 0, 25):
-                cscene = scene.cycles
-
-                # Default changes.
-                if not cscene.is_property_set("samples"):
-                    cscene.samples = 128
-                if not cscene.is_property_set("preview_samples"):
-                    cscene.preview_samples = 32
-                if not cscene.is_property_set("use_adaptive_sampling"):
-                    cscene.use_adaptive_sampling = False
-                    cscene.use_preview_adaptive_sampling = False
-                if not cscene.is_property_set("use_denoising"):
-                    cscene.use_denoising = False
-                if not cscene.is_property_set("use_preview_denoising"):
-                    cscene.use_preview_denoising = False
-                if not cscene.is_property_set("sampling_pattern"):
-                    cscene.sampling_pattern = 'PROGRESSIVE_MUTI_JITTER'
-
-                # Removal of square samples.
-                cscene = scene.cycles
-                use_square_samples = cscene.get("use_square_samples", False)
-
-                if use_square_samples:
-                    cscene.samples *= cscene.samples
-                    cscene.preview_samples *= cscene.preview_samples
-                    for layer in scene.view_layers:
-                        layer.samples *= layer.samples
-                    cscene["use_square_samples"] = False
-
         # Lamps
         for light in bpy.data.lights:
             if light.library not in libraries:
@@ -269,6 +249,10 @@ def do_versions(self):
             if version <= (2, 76, 9):
                 cworld = world.cycles
 
+                # World MIS Samples
+                if not cworld.is_property_set("samples"):
+                    cworld.samples = 4
+
                 # World MIS Resolution
                 if not cworld.is_property_set("sample_map_resolution"):
                     cworld.sample_map_resolution = 256

intern/cycles/blender/blender_camera.cpp

@@ -894,8 +894,12 @@ void BlenderSync::sync_view(BL::SpaceView3D &b_v3d,
   }
 }
 
-BufferParams BlenderSync::get_buffer_params(
-    BL::SpaceView3D &b_v3d, BL::RegionView3D &b_rv3d, Camera *cam, int width, int height)
+BufferParams BlenderSync::get_buffer_params(BL::SpaceView3D &b_v3d,
+                                            BL::RegionView3D &b_rv3d,
+                                            Camera *cam,
+                                            int width,
+                                            int height,
+                                            const bool use_denoiser)
 {
   BufferParams params;
   bool use_border = false;
@@ -927,6 +931,11 @@ BufferParams BlenderSync::get_buffer_params(
     params.height = height;
   }
 
+  PassType display_pass = update_viewport_display_passes(b_v3d, params.passes);
+
+  /* Can only denoise the combined image pass */
+  params.denoising_data_pass = display_pass == PASS_COMBINED && use_denoiser;
+
   return params;
 }
 

intern/cycles/blender/blender_curves.cpp

@@ -283,13 +283,10 @@ static void ExportCurveSegments(Scene *scene, Hair *hair, ParticleCurveData *CDa
     return;
 
   Attribute *attr_intercept = NULL;
-  Attribute *attr_length = NULL;
   Attribute *attr_random = NULL;
 
   if (hair->need_attribute(scene, ATTR_STD_CURVE_INTERCEPT))
     attr_intercept = hair->attributes.add(ATTR_STD_CURVE_INTERCEPT);
-  if (hair->need_attribute(scene, ATTR_STD_CURVE_LENGTH))
-    attr_length = hair->attributes.add(ATTR_STD_CURVE_LENGTH);
   if (hair->need_attribute(scene, ATTR_STD_CURVE_RANDOM))
     attr_random = hair->attributes.add(ATTR_STD_CURVE_RANDOM);
 
@@ -339,10 +336,6 @@ static void ExportCurveSegments(Scene *scene, Hair *hair, ParticleCurveData *CDa
         num_curve_keys++;
       }
 
-      if (attr_length != NULL) {
-        attr_length->add(CData->curve_length[curve]);
-      }
-
       if (attr_random != NULL) {
         attr_random->add(hash_uint2_to_float(num_curves, 0));
       }
@@ -533,13 +526,8 @@ bool BlenderSync::object_has_particle_hair(BL::Object b_ob)
 
 /* Old particle hair. */
 void BlenderSync::sync_particle_hair(
-    Hair *hair, BL::Mesh &b_mesh, BObjectInfo &b_ob_info, bool motion, int motion_step)
+    Hair *hair, BL::Mesh &b_mesh, BL::Object &b_ob, bool motion, int motion_step)
 {
-  if (!b_ob_info.is_real_object_data()) {
-    return;
-  }
-  BL::Object b_ob = b_ob_info.real_object;
-
   /* obtain general settings */
   if (b_ob.mode() == b_ob.mode_PARTICLE_EDIT || b_ob.mode() == b_ob.mode_EDIT) {
     return;
@@ -664,15 +652,11 @@ static void export_hair_curves(Scene *scene, Hair *hair, BL::Hair b_hair)
 
   /* Add requested attributes. */
   Attribute *attr_intercept = NULL;
-  Attribute *attr_length = NULL;
   Attribute *attr_random = NULL;
 
   if (hair->need_attribute(scene, ATTR_STD_CURVE_INTERCEPT)) {
     attr_intercept = hair->attributes.add(ATTR_STD_CURVE_INTERCEPT);
   }
-  if (hair->need_attribute(scene, ATTR_STD_CURVE_LENGTH)) {
-    attr_length = hair->attributes.add(ATTR_STD_CURVE_LENGTH);
-  }
   if (hair->need_attribute(scene, ATTR_STD_CURVE_RANDOM)) {
     attr_random = hair->attributes.add(ATTR_STD_CURVE_RANDOM);
   }
@@ -725,10 +709,6 @@ static void export_hair_curves(Scene *scene, Hair *hair, BL::Hair b_hair)
       }
     }
 
-    if (attr_length) {
-      attr_length->add(length);
-    }
-
     /* Random number per curve. */
     if (attr_random != NULL) {
       attr_random->add(hash_uint2_to_float(b_curve.index(), 0));
@@ -808,10 +788,10 @@ static void export_hair_curves_motion(Hair *hair, BL::Hair b_hair, int motion_st
 }
 
 /* Hair object. */
-void BlenderSync::sync_hair(Hair *hair, BObjectInfo &b_ob_info, bool motion, int motion_step)
+void BlenderSync::sync_hair(Hair *hair, BL::Object &b_ob, bool motion, int motion_step)
 {
   /* Convert Blender hair to Cycles curves. */
-  BL::Hair b_hair(b_ob_info.object_data);
+  BL::Hair b_hair(b_ob.data());
   if (motion) {
     export_hair_curves_motion(hair, b_hair, motion_step);
   }
@@ -820,16 +800,16 @@ void BlenderSync::sync_hair(Hair *hair, BObjectInfo &b_ob_info, bool motion, int
   }
 }
 #else
-void BlenderSync::sync_hair(Hair *hair, BObjectInfo &b_ob_info, bool motion, int motion_step)
+void BlenderSync::sync_hair(Hair *hair, BL::Object &b_ob, bool motion, int motion_step)
 {
   (void)hair;
-  (void)b_ob_info;
+  (void)b_ob;
   (void)motion;
   (void)motion_step;
 }
 #endif
 
-void BlenderSync::sync_hair(BL::Depsgraph b_depsgraph, BObjectInfo &b_ob_info, Hair *hair)
+void BlenderSync::sync_hair(BL::Depsgraph b_depsgraph, BL::Object b_ob, Hair *hair)
 {
   /* make a copy of the shaders as the caller in the main thread still need them for syncing the
    * attributes */
@@ -839,19 +819,19 @@ void BlenderSync::sync_hair(BL::Depsgraph b_depsgraph, BObjectInfo &b_ob_info, H
   new_hair.set_used_shaders(used_shaders);
 
   if (view_layer.use_hair) {
-    if (b_ob_info.object_data.is_a(&RNA_Hair)) {
+    if (b_ob.type() == BL::Object::type_HAIR) {
       /* Hair object. */
-      sync_hair(&new_hair, b_ob_info, false);
+      sync_hair(&new_hair, b_ob, false);
     }
     else {
       /* Particle hair. */
       bool need_undeformed = new_hair.need_attribute(scene, ATTR_STD_GENERATED);
       BL::Mesh b_mesh = object_to_mesh(
-          b_data, b_ob_info, b_depsgraph, need_undeformed, Mesh::SUBDIVISION_NONE);
+          b_data, b_ob, b_depsgraph, need_undeformed, Mesh::SUBDIVISION_NONE);
 
       if (b_mesh) {
-        sync_particle_hair(&new_hair, b_mesh, b_ob_info, false);
-        free_object_to_mesh(b_data, b_ob_info, b_mesh);
+        sync_particle_hair(&new_hair, b_mesh, b_ob, false);
+        free_object_to_mesh(b_data, b_ob, b_mesh);
       }
     }
   }
@@ -879,7 +859,7 @@ void BlenderSync::sync_hair(BL::Depsgraph b_depsgraph, BObjectInfo &b_ob_info, H
 }
 
 void BlenderSync::sync_hair_motion(BL::Depsgraph b_depsgraph,
-                                   BObjectInfo &b_ob_info,
+                                   BL::Object b_ob,
                                    Hair *hair,
                                    int motion_step)
 {
@@ -889,19 +869,18 @@ void BlenderSync::sync_hair_motion(BL::Depsgraph b_depsgraph,
   }
 
   /* Export deformed coordinates. */
-  if (ccl::BKE_object_is_deform_modified(b_ob_info, b_scene, preview)) {
-    if (b_ob_info.object_data.is_a(&RNA_Hair)) {
+  if (ccl::BKE_object_is_deform_modified(b_ob, b_scene, preview)) {
+    if (b_ob.type() == BL::Object::type_HAIR) {
       /* Hair object. */
-      sync_hair(hair, b_ob_info, true, motion_step);
+      sync_hair(hair, b_ob, true, motion_step);
       return;
     }
     else {
       /* Particle hair. */
-      BL::Mesh b_mesh = object_to_mesh(
-          b_data, b_ob_info, b_depsgraph, false, Mesh::SUBDIVISION_NONE);
+      BL::Mesh b_mesh = object_to_mesh(b_data, b_ob, b_depsgraph, false, Mesh::SUBDIVISION_NONE);
       if (b_mesh) {
-        sync_particle_hair(hair, b_mesh, b_ob_info, true, motion_step);
-        free_object_to_mesh(b_data, b_ob_info, b_mesh);
+        sync_particle_hair(hair, b_mesh, b_ob, true, motion_step);
+        free_object_to_mesh(b_data, b_ob, b_mesh);
         return;
       }
     }

intern/cycles/blender/blender_device.cpp

@@ -25,6 +25,7 @@ CCL_NAMESPACE_BEGIN
 enum ComputeDevice {
   COMPUTE_DEVICE_CPU = 0,
   COMPUTE_DEVICE_CUDA = 1,
+  COMPUTE_DEVICE_OPENCL = 2,
   COMPUTE_DEVICE_OPTIX = 3,
 
   COMPUTE_DEVICE_NUM
@@ -67,6 +68,13 @@ DeviceInfo blender_device_info(BL::Preferences &b_preferences, BL::Scene &b_scen
       device = Device::get_multi_device(devices, threads, background);
     }
   }
+  else if (get_enum(cscene, "device") == 2) {
+    /* Find network device. */
+    vector<DeviceInfo> devices = Device::available_devices(DEVICE_MASK_NETWORK);
+    if (!devices.empty()) {
+      device = devices.front();
+    }
+  }
   else if (get_enum(cscene, "device") == 1) {
     /* Test if we are using GPU devices. */
     ComputeDevice compute_device = (ComputeDevice)get_enum(
@@ -81,6 +89,9 @@ DeviceInfo blender_device_info(BL::Preferences &b_preferences, BL::Scene &b_scen
       else if (compute_device == COMPUTE_DEVICE_OPTIX) {
         mask |= DEVICE_MASK_OPTIX;
       }
+      else if (compute_device == COMPUTE_DEVICE_OPENCL) {
+        mask |= DEVICE_MASK_OPENCL;
+      }
       vector<DeviceInfo> devices = Device::available_devices(mask);
 
       /* Match device preferences and available devices. */

intern/cycles/blender/blender_geometry.cpp

@@ -29,15 +29,13 @@
 
 CCL_NAMESPACE_BEGIN
 
-static Geometry::Type determine_geom_type(BObjectInfo &b_ob_info, bool use_particle_hair)
+static Geometry::Type determine_geom_type(BL::Object &b_ob, bool use_particle_hair)
 {
-  if (b_ob_info.object_data.is_a(&RNA_Hair) || use_particle_hair) {
+  if (b_ob.type() == BL::Object::type_HAIR || use_particle_hair) {
     return Geometry::HAIR;
   }
 
-  if (b_ob_info.object_data.is_a(&RNA_Volume) ||
-      (b_ob_info.object_data == b_ob_info.real_object.data() &&
-       object_fluid_gas_domain_find(b_ob_info.real_object))) {
+  if (b_ob.type() == BL::Object::type_VOLUME || object_fluid_gas_domain_find(b_ob)) {
     return Geometry::VOLUME;
   }
 
@@ -73,19 +71,20 @@ array<Node *> BlenderSync::find_used_shaders(BL::Object &b_ob)
 }
 
 Geometry *BlenderSync::sync_geometry(BL::Depsgraph &b_depsgraph,
-                                     BObjectInfo &b_ob_info,
+                                     BL::Object &b_ob,
+                                     BL::Object &b_ob_instance,
                                      bool object_updated,
                                      bool use_particle_hair,
                                      TaskPool *task_pool)
 {
   /* Test if we can instance or if the object is modified. */
-  Geometry::Type geom_type = determine_geom_type(b_ob_info, use_particle_hair);
-  BL::ID b_key_id = (BKE_object_is_modified(b_ob_info.real_object)) ? b_ob_info.real_object :
-                                                                      b_ob_info.object_data;
+  BL::ID b_ob_data = b_ob.data();
+  BL::ID b_key_id = (BKE_object_is_modified(b_ob)) ? b_ob_instance : b_ob_data;
+  Geometry::Type geom_type = determine_geom_type(b_ob, use_particle_hair);
   GeometryKey key(b_key_id.ptr.data, geom_type);
 
   /* Find shader indices. */
-  array<Node *> used_shaders = find_used_shaders(b_ob_info.iter_object);
+  array<Node *> used_shaders = find_used_shaders(b_ob);
 
   /* Ensure we only sync instanced geometry once. */
   Geometry *geom = geometry_map.find(key);
@@ -145,7 +144,7 @@ Geometry *BlenderSync::sync_geometry(BL::Depsgraph &b_depsgraph,
 
   geometry_synced.insert(geom);
 
-  geom->name = ustring(b_ob_info.object_data.name().c_str());
+  geom->name = ustring(b_ob_data.name().c_str());
 
   /* Store the shaders immediately for the object attribute code. */
   geom->set_used_shaders(used_shaders);
@@ -154,19 +153,19 @@ Geometry *BlenderSync::sync_geometry(BL::Depsgraph &b_depsgraph,
     if (progress.get_cancel())
       return;
 
-    progress.set_sync_status("Synchronizing object", b_ob_info.real_object.name());
+    progress.set_sync_status("Synchronizing object", b_ob.name());
 
     if (geom_type == Geometry::HAIR) {
       Hair *hair = static_cast<Hair *>(geom);
-      sync_hair(b_depsgraph, b_ob_info, hair);
+      sync_hair(b_depsgraph, b_ob, hair);
     }
     else if (geom_type == Geometry::VOLUME) {
       Volume *volume = static_cast<Volume *>(geom);
-      sync_volume(b_ob_info, volume);
+      sync_volume(b_ob, volume);
     }
     else {
       Mesh *mesh = static_cast<Mesh *>(geom);
-      sync_mesh(b_depsgraph, b_ob_info, mesh);
+      sync_mesh(b_depsgraph, b_ob, mesh);
     }
   };
 
@@ -182,7 +181,7 @@ Geometry *BlenderSync::sync_geometry(BL::Depsgraph &b_depsgraph,
 }
 
 void BlenderSync::sync_geometry_motion(BL::Depsgraph &b_depsgraph,
-                                       BObjectInfo &b_ob_info,
+                                       BL::Object &b_ob,
                                        Object *object,
                                        float motion_time,
                                        bool use_particle_hair,
@@ -191,10 +190,8 @@ void BlenderSync::sync_geometry_motion(BL::Depsgraph &b_depsgraph,
   /* Ensure we only sync instanced geometry once. */
   Geometry *geom = object->get_geometry();
 
-  if (geometry_motion_synced.find(geom) != geometry_motion_synced.end() ||
-      geometry_motion_attribute_synced.find(geom) != geometry_motion_attribute_synced.end()) {
+  if (geometry_motion_synced.find(geom) != geometry_motion_synced.end())
     return;
-  }
 
   geometry_motion_synced.insert(geom);
 
@@ -213,17 +210,16 @@ void BlenderSync::sync_geometry_motion(BL::Depsgraph &b_depsgraph,
     if (progress.get_cancel())
       return;
 
-    if (b_ob_info.object_data.is_a(&RNA_Hair) || use_particle_hair) {
+    if (b_ob.type() == BL::Object::type_HAIR || use_particle_hair) {
       Hair *hair = static_cast<Hair *>(geom);
-      sync_hair_motion(b_depsgraph, b_ob_info, hair, motion_step);
+      sync_hair_motion(b_depsgraph, b_ob, hair, motion_step);
     }
-    else if (b_ob_info.object_data.is_a(&RNA_Volume) ||
-             object_fluid_gas_domain_find(b_ob_info.real_object)) {
+    else if (b_ob.type() == BL::Object::type_VOLUME || object_fluid_gas_domain_find(b_ob)) {
       /* No volume motion blur support yet. */
     }
     else {
       Mesh *mesh = static_cast<Mesh *>(geom);
-      sync_mesh_motion(b_depsgraph, b_ob_info, mesh, motion_step);
+      sync_mesh_motion(b_depsgraph, b_ob, mesh, motion_step);
     }
   };
 

intern/cycles/blender/blender_gpu_display.cpp

@@ -1,787 +0,0 @@
-/*
- * Copyright 2021 Blender Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "blender/blender_gpu_display.h"
-
-#include "device/device.h"
-#include "util/util_logging.h"
-#include "util/util_opengl.h"
-
-extern "C" {
-struct RenderEngine;
-
-bool RE_engine_has_render_context(struct RenderEngine *engine);
-void RE_engine_render_context_enable(struct RenderEngine *engine);
-void RE_engine_render_context_disable(struct RenderEngine *engine);
-
-bool DRW_opengl_context_release();
-void DRW_opengl_context_activate(bool drw_state);
-
-void *WM_opengl_context_create();
-void WM_opengl_context_activate(void *gl_context);
-void WM_opengl_context_dispose(void *gl_context);
-void WM_opengl_context_release(void *context);
-}
-
-CCL_NAMESPACE_BEGIN
-
-/* --------------------------------------------------------------------
- * BlenderDisplayShader.
- */
-
-unique_ptr<BlenderDisplayShader> BlenderDisplayShader::create(BL::RenderEngine &b_engine,
-                                                              BL::Scene &b_scene)
-{
-  if (b_engine.support_display_space_shader(b_scene)) {
-    return make_unique<BlenderDisplaySpaceShader>(b_engine, b_scene);
-  }
-
-  return make_unique<BlenderFallbackDisplayShader>();
-}
-
-int BlenderDisplayShader::get_position_attrib_location()
-{
-  if (position_attribute_location_ == -1) {
-    const uint shader_program = get_shader_program();
-    position_attribute_location_ = glGetAttribLocation(shader_program, position_attribute_name);
-  }
-  return position_attribute_location_;
-}
-
-int BlenderDisplayShader::get_tex_coord_attrib_location()
-{
-  if (tex_coord_attribute_location_ == -1) {
-    const uint shader_program = get_shader_program();
-    tex_coord_attribute_location_ = glGetAttribLocation(shader_program, tex_coord_attribute_name);
-  }
-  return tex_coord_attribute_location_;
-}
-
-/* --------------------------------------------------------------------
- * BlenderFallbackDisplayShader.
- */
-
-/* TODO move shaders to standalone .glsl file. */
-static const char *FALLBACK_VERTEX_SHADER =
-    "#version 330\n"
-    "uniform vec2 fullscreen;\n"
-    "in vec2 texCoord;\n"
-    "in vec2 pos;\n"
-    "out vec2 texCoord_interp;\n"
-    "\n"
-    "vec2 normalize_coordinates()\n"
-    "{\n"
-    "   return (vec2(2.0) * (pos / fullscreen)) - vec2(1.0);\n"
-    "}\n"
-    "\n"
-    "void main()\n"
-    "{\n"
-    "   gl_Position = vec4(normalize_coordinates(), 0.0, 1.0);\n"
-    "   texCoord_interp = texCoord;\n"
-    "}\n\0";
-
-static const char *FALLBACK_FRAGMENT_SHADER =
-    "#version 330\n"
-    "uniform sampler2D image_texture;\n"
-    "in vec2 texCoord_interp;\n"
-    "out vec4 fragColor;\n"
-    "\n"
-    "void main()\n"
-    "{\n"
-    "   fragColor = texture(image_texture, texCoord_interp);\n"
-    "}\n\0";
-
-static void shader_print_errors(const char *task, const char *log, const char *code)
-{
-  LOG(ERROR) << "Shader: " << task << " error:";
-  LOG(ERROR) << "===== shader string ====";
-
-  stringstream stream(code);
-  string partial;
-
-  int line = 1;
-  while (getline(stream, partial, '\n')) {
-    if (line < 10) {
-      LOG(ERROR) << " " << line << " " << partial;
-    }
-    else {
-      LOG(ERROR) << line << " " << partial;
-    }
-    line++;
-  }
-  LOG(ERROR) << log;
-}
-
-static int compile_fallback_shader(void)
-{
-  const struct Shader {
-    const char *source;
-    const GLenum type;
-  } shaders[2] = {{FALLBACK_VERTEX_SHADER, GL_VERTEX_SHADER},
-                  {FALLBACK_FRAGMENT_SHADER, GL_FRAGMENT_SHADER}};
-
-  const GLuint program = glCreateProgram();
-
-  for (int i = 0; i < 2; i++) {
-    const GLuint shader = glCreateShader(shaders[i].type);
-
-    string source_str = shaders[i].source;
-    const char *c_str = source_str.c_str();
-
-    glShaderSource(shader, 1, &c_str, NULL);
-    glCompileShader(shader);
-
-    GLint compile_status;
-    glGetShaderiv(shader, GL_COMPILE_STATUS, &compile_status);
-
-    if (!compile_status) {
-      GLchar log[5000];
-      GLsizei length = 0;
-      glGetShaderInfoLog(shader, sizeof(log), &length, log);
-      shader_print_errors("compile", log, c_str);
-      return 0;
-    }
-
-    glAttachShader(program, shader);
-  }
-
-  /* Link output. */
-  glBindFragDataLocation(program, 0, "fragColor");
-
-  /* Link and error check. */
-  glLinkProgram(program);
-
-  /* TODO(sergey): Find a way to nicely de-duplicate the error checking. */
-  GLint link_status;
-  glGetProgramiv(program, GL_LINK_STATUS, &link_status);
-  if (!link_status) {
-    GLchar log[5000];
-    GLsizei length = 0;
-    /* TODO(sergey): Is it really program passed to glGetShaderInfoLog? */
-    glGetShaderInfoLog(program, sizeof(log), &length, log);
-    shader_print_errors("linking", log, FALLBACK_VERTEX_SHADER);
-    shader_print_errors("linking", log, FALLBACK_FRAGMENT_SHADER);
-    return 0;
-  }
-
-  return program;
-}
-
-void BlenderFallbackDisplayShader::bind(int width, int height)
-{
-  create_shader_if_needed();
-
-  if (!shader_program_) {
-    return;
-  }
-
-  glUseProgram(shader_program_);
-  glUniform1i(image_texture_location_, 0);
-  glUniform2f(fullscreen_location_, width, height);
-}
-
-void BlenderFallbackDisplayShader::unbind()
-{
-}
-
-uint BlenderFallbackDisplayShader::get_shader_program()
-{
-  return shader_program_;
-}
-
-void BlenderFallbackDisplayShader::create_shader_if_needed()
-{
-  if (shader_program_ || shader_compile_attempted_) {
-    return;
-  }
-
-  shader_compile_attempted_ = true;
-
-  shader_program_ = compile_fallback_shader();
-  if (!shader_program_) {
-    return;
-  }
-
-  glUseProgram(shader_program_);
-
-  image_texture_location_ = glGetUniformLocation(shader_program_, "image_texture");
-  if (image_texture_location_ < 0) {
-    LOG(ERROR) << "Shader doesn't contain the 'image_texture' uniform.";
-    destroy_shader();
-    return;
-  }
-
-  fullscreen_location_ = glGetUniformLocation(shader_program_, "fullscreen");
-  if (fullscreen_location_ < 0) {
-    LOG(ERROR) << "Shader doesn't contain the 'fullscreen' uniform.";
-    destroy_shader();
-    return;
-  }
-}
-
-void BlenderFallbackDisplayShader::destroy_shader()
-{
-  glDeleteProgram(shader_program_);
-  shader_program_ = 0;
-}
-
-/* --------------------------------------------------------------------
- * BlenderDisplaySpaceShader.
- */
-
-BlenderDisplaySpaceShader::BlenderDisplaySpaceShader(BL::RenderEngine &b_engine,
-                                                     BL::Scene &b_scene)
-    : b_engine_(b_engine), b_scene_(b_scene)
-{
-  DCHECK(b_engine_.support_display_space_shader(b_scene_));
-}
-
-void BlenderDisplaySpaceShader::bind(int /*width*/, int /*height*/)
-{
-  b_engine_.bind_display_space_shader(b_scene_);
-}
-
-void BlenderDisplaySpaceShader::unbind()
-{
-  b_engine_.unbind_display_space_shader();
-}
-
-uint BlenderDisplaySpaceShader::get_shader_program()
-{
-  if (!shader_program_) {
-    glGetIntegerv(GL_CURRENT_PROGRAM, reinterpret_cast<int *>(&shader_program_));
-  }
-
-  if (!shader_program_) {
-    LOG(ERROR) << "Error retrieving shader program for display space shader.";
-  }
-
-  return shader_program_;
-}
-
-/* --------------------------------------------------------------------
- * BlenderGPUDisplay.
- */
-
-BlenderGPUDisplay::BlenderGPUDisplay(BL::RenderEngine &b_engine, BL::Scene &b_scene)
-    : b_engine_(b_engine), display_shader_(BlenderDisplayShader::create(b_engine, b_scene))
-{
-  /* Create context while on the main thread. */
-  gl_context_create();
-}
-
-BlenderGPUDisplay::~BlenderGPUDisplay()
-{
-  gl_resources_destroy();
-}
-
-/* --------------------------------------------------------------------
- * Update procedure.
- */
-
-bool BlenderGPUDisplay::do_update_begin(const GPUDisplayParams &params,
-                                        int texture_width,
-                                        int texture_height)
-{
-  /* Note that it's the responsibility of BlenderGPUDisplay to ensure updating and drawing
-   * the texture does not happen at the same time. This is achieved indirectly.
-   *
-   * When enabling the OpenGL context, it uses an internal mutex lock DST.gl_context_lock.
-   * This same lock is also held when do_draw() is called, which together ensure mutual
-   * exclusion.
-   *
-   * This locking is not performed at the GPU display level, because that would cause lock
-   * inversion. */
-  if (!gl_context_enable()) {
-    return false;
-  }
-
-  if (gl_render_sync_) {
-    glWaitSync((GLsync)gl_render_sync_, 0, GL_TIMEOUT_IGNORED);
-  }
-
-  if (!gl_texture_resources_ensure()) {
-    gl_context_disable();
-    return false;
-  }
-
-  /* Update texture dimensions if needed. */
-  if (texture_.width != texture_width || texture_.height != texture_height) {
-    glActiveTexture(GL_TEXTURE0);
-    glBindTexture(GL_TEXTURE_2D, texture_.gl_id);
-    glTexImage2D(
-        GL_TEXTURE_2D, 0, GL_RGBA16F, texture_width, texture_height, 0, GL_RGBA, GL_HALF_FLOAT, 0);
-    texture_.width = texture_width;
-    texture_.height = texture_height;
-    glBindTexture(GL_TEXTURE_2D, 0);
-
-    /* Texture did change, and no pixel storage was provided. Tag for an explicit zeroing out to
-     * avoid undefined content. */
-    texture_.need_clear = true;
-  }
-
-  /* Update PBO dimensions if needed.
-   *
-   * NOTE: Allocate the PBO for the the size which will fit the final render resolution (as in,
-   * at a resolution divider 1. This was we don't need to recreate graphics interoperability
-   * objects which are costly and which are tied to the specific underlying buffer size.
-   * The downside of this approach is that when graphics interoperability is not used we are
-   * sending too much data to GPU when resolution divider is not 1. */
-  /* TODO(sergey): Investigate whether keeping the PBO exact size of the texture makes non-interop
-   * mode faster. */
-  const int buffer_width = params.full_size.x;
-  const int buffer_height = params.full_size.y;
-  if (texture_.buffer_width != buffer_width || texture_.buffer_height != buffer_height) {
-    const size_t size_in_bytes = sizeof(half4) * buffer_width * buffer_height;
-    glBindBuffer(GL_PIXEL_UNPACK_BUFFER, texture_.gl_pbo_id);
-    glBufferData(GL_PIXEL_UNPACK_BUFFER, size_in_bytes, 0, GL_DYNAMIC_DRAW);
-    glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
-
-    texture_.buffer_width = buffer_width;
-    texture_.buffer_height = buffer_height;
-  }
-
-  /* New content will be provided to the texture in one way or another, so mark this in a
-   * centralized place. */
-  texture_.need_update = true;
-
-  return true;
-}
-
-void BlenderGPUDisplay::do_update_end()
-{
-  gl_upload_sync_ = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
-  glFlush();
-
-  gl_context_disable();
-}
-
-/* --------------------------------------------------------------------
- * Texture update from CPU buffer.
- */
-
-void BlenderGPUDisplay::do_copy_pixels_to_texture(
-    const half4 *rgba_pixels, int texture_x, int texture_y, int pixels_width, int pixels_height)
-{
-  /* This call copies pixels to a Pixel Buffer Object (PBO) which is much cheaper from CPU time
-   * point of view than to copy data directly to the OpenGL texture.
-   *
-   * The possible downside of this approach is that it might require a higher peak memory when
-   * doing partial updates of the texture (although, in practice even partial updates might peak
-   * with a full-frame buffer stored on the CPU if the GPU is currently occupied). */
-
-  half4 *mapped_rgba_pixels = map_texture_buffer();
-  if (!mapped_rgba_pixels) {
-    return;
-  }
-
-  if (texture_x == 0 && texture_y == 0 && pixels_width == texture_.width &&
-      pixels_height == texture_.height) {
-    const size_t size_in_bytes = sizeof(half4) * texture_.width * texture_.height;
-    memcpy(mapped_rgba_pixels, rgba_pixels, size_in_bytes);
-  }
-  else {
-    const half4 *rgba_row = rgba_pixels;
-    half4 *mapped_rgba_row = mapped_rgba_pixels + texture_y * texture_.width + texture_x;
-    for (int y = 0; y < pixels_height;
-         ++y, rgba_row += pixels_width, mapped_rgba_row += texture_.width) {
-      memcpy(mapped_rgba_row, rgba_row, sizeof(half4) * pixels_width);
-    }
-  }
-
-  unmap_texture_buffer();
-}
-
-/* --------------------------------------------------------------------
- * Texture buffer mapping.
- */
-
-half4 *BlenderGPUDisplay::do_map_texture_buffer()
-{
-  glBindBuffer(GL_PIXEL_UNPACK_BUFFER, texture_.gl_pbo_id);
-
-  half4 *mapped_rgba_pixels = reinterpret_cast<half4 *>(
-      glMapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY));
-  if (!mapped_rgba_pixels) {
-    LOG(ERROR) << "Error mapping BlenderGPUDisplay pixel buffer object.";
-  }
-
-  if (texture_.need_clear) {
-    const int64_t texture_width = texture_.width;
-    const int64_t texture_height = texture_.height;
-    memset(reinterpret_cast<void *>(mapped_rgba_pixels),
-           0,
-           texture_width * texture_height * sizeof(half4));
-    texture_.need_clear = false;
-  }
-
-  return mapped_rgba_pixels;
-}
-
-void BlenderGPUDisplay::do_unmap_texture_buffer()
-{
-  glUnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
-
-  glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
-}
-
-/* --------------------------------------------------------------------
- * Graphics interoperability.
- */
-
-DeviceGraphicsInteropDestination BlenderGPUDisplay::do_graphics_interop_get()
-{
-  DeviceGraphicsInteropDestination interop_dst;
-
-  interop_dst.buffer_width = texture_.buffer_width;
-  interop_dst.buffer_height = texture_.buffer_height;
-  interop_dst.opengl_pbo_id = texture_.gl_pbo_id;
-
-  interop_dst.need_clear = texture_.need_clear;
-  texture_.need_clear = false;
-
-  return interop_dst;
-}
-
-void BlenderGPUDisplay::graphics_interop_activate()
-{
-  gl_context_enable();
-}
-
-void BlenderGPUDisplay::graphics_interop_deactivate()
-{
-  gl_context_disable();
-}
-
-/* --------------------------------------------------------------------
- * Drawing.
- */
-
-void BlenderGPUDisplay::clear()
-{
-  texture_.need_clear = true;
-}
-
-void BlenderGPUDisplay::set_zoom(float zoom_x, float zoom_y)
-{
-  zoom_ = make_float2(zoom_x, zoom_y);
-}
-
-void BlenderGPUDisplay::do_draw(const GPUDisplayParams &params)
-{
-  /* See do_update_begin() for why no locking is required here. */
-  const bool transparent = true;  // TODO(sergey): Derive this from Film.
-
-  if (texture_.need_clear) {
-    /* Texture is requested to be cleared and was not yet cleared.
-     * Do early return which should be equivalent of drawing all-zero texture. */
-    return;
-  }
-
-  if (!gl_draw_resources_ensure()) {
-    return;
-  }
-
-  if (use_gl_context_) {
-    gl_context_mutex_.lock();
-  }
-
-  if (gl_upload_sync_) {
-    glWaitSync((GLsync)gl_upload_sync_, 0, GL_TIMEOUT_IGNORED);
-  }
-
-  if (transparent) {
-    glEnable(GL_BLEND);
-    glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
-  }
-
-  display_shader_->bind(params.full_size.x, params.full_size.y);
-
-  glActiveTexture(GL_TEXTURE0);
-  glBindTexture(GL_TEXTURE_2D, texture_.gl_id);
-
-  /* Trick to keep sharp rendering without jagged edges on all GPUs.
-   *
-   * The idea here is to enforce driver to use linear interpolation when the image is not zoomed
-   * in.
-   * For the render result with a resolution divider in effect we always use nearest interpolation.
-   *
-   * Use explicit MIN assignment to make sure the driver does not have an undefined behavior at
-   * the zoom level 1. The MAG filter is always NEAREST. */
-  const float zoomed_width = params.size.x * zoom_.x;
-  const float zoomed_height = params.size.y * zoom_.y;
-  if (texture_.width != params.size.x || texture_.height != params.size.y) {
-    /* Resolution divider is different from 1, force nearest interpolation. */
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-  }
-  else if (zoomed_width - params.size.x > 0.5f || zoomed_height - params.size.y > 0.5f) {
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-  }
-  else {
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-  }
-
-  glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer_);
-
-  texture_update_if_needed();
-  vertex_buffer_update(params);
-
-  /* TODO(sergey): Does it make sense/possible to cache/reuse the VAO? */
-  GLuint vertex_array_object;
-  glGenVertexArrays(1, &vertex_array_object);
-  glBindVertexArray(vertex_array_object);
-
-  const int texcoord_attribute = display_shader_->get_tex_coord_attrib_location();
-  const int position_attribute = display_shader_->get_position_attrib_location();
-
-  glEnableVertexAttribArray(texcoord_attribute);
-  glEnableVertexAttribArray(position_attribute);
-
-  glVertexAttribPointer(
-      texcoord_attribute, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), (const GLvoid *)0);
-  glVertexAttribPointer(position_attribute,
-                        2,
-                        GL_FLOAT,
-                        GL_FALSE,
-                        4 * sizeof(float),
-                        (const GLvoid *)(sizeof(float) * 2));
-
-  glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
-
-  glBindBuffer(GL_ARRAY_BUFFER, 0);
-  glBindTexture(GL_TEXTURE_2D, 0);
-
-  glDeleteVertexArrays(1, &vertex_array_object);
-
-  display_shader_->unbind();
-
-  if (transparent) {
-    glDisable(GL_BLEND);
-  }
-
-  gl_render_sync_ = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
-  glFlush();
-
-  if (use_gl_context_) {
-    gl_context_mutex_.unlock();
-  }
-}
-
-void BlenderGPUDisplay::gl_context_create()
-{
-  /* When rendering in viewport there is no render context available via engine.
-   * Check whether own context is to be created here.
-   *
-   * NOTE: If the `b_engine_`'s context is not available, we are expected to be on a main thread
-   * here. */
-  use_gl_context_ = !RE_engine_has_render_context(
-      reinterpret_cast<RenderEngine *>(b_engine_.ptr.data));
-
-  if (use_gl_context_) {
-    const bool drw_state = DRW_opengl_context_release();
-    gl_context_ = WM_opengl_context_create();
-    if (gl_context_) {
-      /* On Windows an old context is restored after creation, and subsequent release of context
-       * generates a Win32 error. Harmless for users, but annoying to have possible misleading
-       * error prints in the console. */
-#ifndef _WIN32
-      WM_opengl_context_release(gl_context_);
-#endif
-    }
-    else {
-      LOG(ERROR) << "Error creating OpenGL context.";
-    }
-
-    DRW_opengl_context_activate(drw_state);
-  }
-}
-
-bool BlenderGPUDisplay::gl_context_enable()
-{
-  if (use_gl_context_) {
-    if (!gl_context_) {
-      return false;
-    }
-    gl_context_mutex_.lock();
-    WM_opengl_context_activate(gl_context_);
-    return true;
-  }
-
-  RE_engine_render_context_enable(reinterpret_cast<RenderEngine *>(b_engine_.ptr.data));
-  return true;
-}
-
-void BlenderGPUDisplay::gl_context_disable()
-{
-  if (use_gl_context_) {
-    if (gl_context_) {
-      WM_opengl_context_release(gl_context_);
-      gl_context_mutex_.unlock();
-    }
-    return;
-  }
-
-  RE_engine_render_context_disable(reinterpret_cast<RenderEngine *>(b_engine_.ptr.data));
-}
-
-void BlenderGPUDisplay::gl_context_dispose()
-{
-  if (gl_context_) {
-    const bool drw_state = DRW_opengl_context_release();
-
-    WM_opengl_context_activate(gl_context_);
-    WM_opengl_context_dispose(gl_context_);
-
-    DRW_opengl_context_activate(drw_state);
-  }
-}
-
-bool BlenderGPUDisplay::gl_draw_resources_ensure()
-{
-  if (!texture_.gl_id) {
-    /* If there is no texture allocated, there is nothing to draw. Inform the draw call that it can
-     * can not continue. Note that this is not an unrecoverable error, so once the texture is known
-     * we will come back here and create all the GPU resources needed for draw. */
-    return false;
-  }
-
-  if (gl_draw_resource_creation_attempted_) {
-    return gl_draw_resources_created_;
-  }
-  gl_draw_resource_creation_attempted_ = true;
-
-  if (!vertex_buffer_) {
-    glGenBuffers(1, &vertex_buffer_);
-    if (!vertex_buffer_) {
-      LOG(ERROR) << "Error creating vertex buffer.";
-      return false;
-    }
-  }
-
-  gl_draw_resources_created_ = true;
-
-  return true;
-}
-
-void BlenderGPUDisplay::gl_resources_destroy()
-{
-  gl_context_enable();
-
-  if (vertex_buffer_ != 0) {
-    glDeleteBuffers(1, &vertex_buffer_);
-  }
-
-  if (texture_.gl_pbo_id) {
-    glDeleteBuffers(1, &texture_.gl_pbo_id);
-    texture_.gl_pbo_id = 0;
-  }
-
-  if (texture_.gl_id) {
-    glDeleteTextures(1, &texture_.gl_id);
-    texture_.gl_id = 0;
-  }
-
-  gl_context_disable();
-
-  gl_context_dispose();
-}
-
-bool BlenderGPUDisplay::gl_texture_resources_ensure()
-{
-  if (texture_.creation_attempted) {
-    return texture_.is_created;
-  }
-  texture_.creation_attempted = true;
-
-  DCHECK(!texture_.gl_id);
-  DCHECK(!texture_.gl_pbo_id);
-
-  /* Create texture. */
-  glGenTextures(1, &texture_.gl_id);
-  if (!texture_.gl_id) {
-    LOG(ERROR) << "Error creating texture.";
-    return false;
-  }
-
-  /* Configure the texture. */
-  glActiveTexture(GL_TEXTURE0);
-  glBindTexture(GL_TEXTURE_2D, texture_.gl_id);
-  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-  glBindTexture(GL_TEXTURE_2D, 0);
-
-  /* Create PBO for the texture. */
-  glGenBuffers(1, &texture_.gl_pbo_id);
-  if (!texture_.gl_pbo_id) {
-    LOG(ERROR) << "Error creating texture pixel buffer object.";
-    return false;
-  }
-
-  /* Creation finished with a success. */
-  texture_.is_created = true;
-
-  return true;
-}
-
-void BlenderGPUDisplay::texture_update_if_needed()
-{
-  if (!texture_.need_update) {
-    return;
-  }
-
-  glBindBuffer(GL_PIXEL_UNPACK_BUFFER, texture_.gl_pbo_id);
-  glTexSubImage2D(
-      GL_TEXTURE_2D, 0, 0, 0, texture_.width, texture_.height, GL_RGBA, GL_HALF_FLOAT, 0);
-  glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
-
-  texture_.need_update = false;
-}
-
-void BlenderGPUDisplay::vertex_buffer_update(const GPUDisplayParams &params)
-{
-  /* Invalidate old contents - avoids stalling if the buffer is still waiting in queue to be
-   * rendered. */
-  glBufferData(GL_ARRAY_BUFFER, 16 * sizeof(float), NULL, GL_STREAM_DRAW);
-
-  float *vpointer = reinterpret_cast<float *>(glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY));
-  if (!vpointer) {
-    return;
-  }
-
-  vpointer[0] = 0.0f;
-  vpointer[1] = 0.0f;
-  vpointer[2] = params.offset.x;
-  vpointer[3] = params.offset.y;
-
-  vpointer[4] = 1.0f;
-  vpointer[5] = 0.0f;
-  vpointer[6] = (float)params.size.x + params.offset.x;
-  vpointer[7] = params.offset.y;
-
-  vpointer[8] = 1.0f;
-  vpointer[9] = 1.0f;
-  vpointer[10] = (float)params.size.x + params.offset.x;
-  vpointer[11] = (float)params.size.y + params.offset.y;
-
-  vpointer[12] = 0.0f;
-  vpointer[13] = 1.0f;
-  vpointer[14] = params.offset.x;
-  vpointer[15] = (float)params.size.y + params.offset.y;
-
-  glUnmapBuffer(GL_ARRAY_BUFFER);
-}
-
-CCL_NAMESPACE_END

intern/cycles/blender/blender_gpu_display.h

@@ -1,215 +0,0 @@
-/*
- * Copyright 2021 Blender Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <atomic>
-
-#include "MEM_guardedalloc.h"
-
-#include "RNA_blender_cpp.h"
-
-#include "render/gpu_display.h"
-#include "util/util_unique_ptr.h"
-
-CCL_NAMESPACE_BEGIN
-
-/* Base class of shader used for GPU display rendering. */
-class BlenderDisplayShader {
- public:
-  static constexpr const char *position_attribute_name = "pos";
-  static constexpr const char *tex_coord_attribute_name = "texCoord";
-
-  /* Create shader implementation suitable for the given render engine and scene configuration. */
-  static unique_ptr<BlenderDisplayShader> create(BL::RenderEngine &b_engine, BL::Scene &b_scene);
-
-  BlenderDisplayShader() = default;
-  virtual ~BlenderDisplayShader() = default;
-
-  virtual void bind(int width, int height) = 0;
-  virtual void unbind() = 0;
-
-  /* Get attribute location for position and texture coordinate respectively.
-   * NOTE: The shader needs to be bound to have access to those. */
-  virtual int get_position_attrib_location();
-  virtual int get_tex_coord_attrib_location();
-
- protected:
-  /* Get program of this display shader.
-   * NOTE: The shader needs to be bound to have access to this. */
-  virtual uint get_shader_program() = 0;
-
-  /* Cached values of various OpenGL resources. */
-  int position_attribute_location_ = -1;
-  int tex_coord_attribute_location_ = -1;
-};
-
-/* Implementation of display rendering shader used in the case when render engine does not support
- * display space shader. */
-class BlenderFallbackDisplayShader : public BlenderDisplayShader {
- public:
-  virtual void bind(int width, int height) override;
-  virtual void unbind() override;
-
- protected:
-  virtual uint get_shader_program() override;
-
-  void create_shader_if_needed();
-  void destroy_shader();
-
-  uint shader_program_ = 0;
-  int image_texture_location_ = -1;
-  int fullscreen_location_ = -1;
-
-  /* Shader compilation attempted. Which means, that if the shader program is 0 then compilation or
-   * linking has failed. Do not attempt to re-compile the shader. */
-  bool shader_compile_attempted_ = false;
-};
-
-class BlenderDisplaySpaceShader : public BlenderDisplayShader {
- public:
-  BlenderDisplaySpaceShader(BL::RenderEngine &b_engine, BL::Scene &b_scene);
-
-  virtual void bind(int width, int height) override;
-  virtual void unbind() override;
-
- protected:
-  virtual uint get_shader_program() override;
-
-  BL::RenderEngine b_engine_;
-  BL::Scene &b_scene_;
-
-  /* Cached values of various OpenGL resources. */
-  uint shader_program_ = 0;
-};
-
-/* GPU display implementation which is specific for Blender viewport integration. */
-class BlenderGPUDisplay : public GPUDisplay {
- public:
-  BlenderGPUDisplay(BL::RenderEngine &b_engine, BL::Scene &b_scene);
-  ~BlenderGPUDisplay();
-
-  virtual void graphics_interop_activate() override;
-  virtual void graphics_interop_deactivate() override;
-
-  virtual void clear() override;
-
-  void set_zoom(float zoom_x, float zoom_y);
-
- protected:
-  virtual bool do_update_begin(const GPUDisplayParams &params,
-                               int texture_width,
-                               int texture_height) override;
-  virtual void do_update_end() override;
-
-  virtual void do_copy_pixels_to_texture(const half4 *rgba_pixels,
-                                         int texture_x,
-                                         int texture_y,
-                                         int pixels_width,
-                                         int pixels_height) override;
-  virtual void do_draw(const GPUDisplayParams &params) override;
-
-  virtual half4 *do_map_texture_buffer() override;
-  virtual void do_unmap_texture_buffer() override;
-
-  virtual DeviceGraphicsInteropDestination do_graphics_interop_get() override;
-
-  /* Helper function which allocates new GPU context. */
-  void gl_context_create();
-  bool gl_context_enable();
-  void gl_context_disable();
-  void gl_context_dispose();
-
-  /* Make sure texture is allocated and its initial configuration is performed. */
-  bool gl_texture_resources_ensure();
-
-  /* Ensure all runtime GPU resources needed for drawing are allocated.
-   * Returns true if all resources needed for drawing are available. */
-  bool gl_draw_resources_ensure();
-
-  /* Destroy all GPU resources which are being used by this object. */
-  void gl_resources_destroy();
-
-  /* Update GPU texture dimensions and content if needed (new pixel data was provided).
-   *
-   * NOTE: The texture needs to be bound. */
-  void texture_update_if_needed();
-
-  /* Update vertex buffer with new coordinates of vertex positions and texture coordinates.
-   * This buffer is used to render texture in the viewport.
-   *
-   * NOTE: The buffer needs to be bound. */
-  void vertex_buffer_update(const GPUDisplayParams &params);
-
-  BL::RenderEngine b_engine_;
-
-  /* OpenGL context which is used the render engine doesn't have its own. */
-  void *gl_context_ = nullptr;
-  /* The when Blender RenderEngine side context is not available and the GPUDisplay is to create
-   * its own context. */
-  bool use_gl_context_ = false;
-  /* Mutex used to guard the `gl_context_`. */
-  thread_mutex gl_context_mutex_;
-
-  /* Texture which contains pixels of the render result. */
-  struct {
-    /* Indicates whether texture creation was attempted and succeeded.
-     * Used to avoid multiple attempts of texture creation on GPU issues or GPU context
-     * misconfiguration. */
-    bool creation_attempted = false;
-    bool is_created = false;
-
-    /* OpenGL resource IDs of the texture itself and Pixel Buffer Object (PBO) used to write
-     * pixels to it.
-     *
-     * NOTE: Allocated on the engine's context. */
-    uint gl_id = 0;
-    uint gl_pbo_id = 0;
-
-    /* Is true when new data was written to the PBO, meaning, the texture might need to be resized
-     * and new data is to be uploaded to the GPU. */
-    bool need_update = false;
-
-    /* Content of the texture is to be filled with zeroes. */
-    std::atomic<bool> need_clear = true;
-
-    /* Dimensions of the texture in pixels. */
-    int width = 0;
-    int height = 0;
-
-    /* Dimensions of the underlying PBO. */
-    int buffer_width = 0;
-    int buffer_height = 0;
-  } texture_;
-
-  unique_ptr<BlenderDisplayShader> display_shader_;
-
-  /* Special track of whether GPU resources were attempted to be created, to avoid attempts of
-   * their re-creation on failure on every redraw. */
-  bool gl_draw_resource_creation_attempted_ = false;
-  bool gl_draw_resources_created_ = false;
-
-  /* Vertex buffer which hold vertices of a triangle fan which is textures with the texture
-   * holding the render result. */
-  uint vertex_buffer_ = 0;
-
-  void *gl_render_sync_ = nullptr;
-  void *gl_upload_sync_ = nullptr;
-
-  float2 zoom_ = make_float2(1.0f, 1.0f);
-};
-
-CCL_NAMESPACE_END

intern/cycles/blender/blender_light.cpp

@@ -27,14 +27,15 @@ CCL_NAMESPACE_BEGIN
 
 void BlenderSync::sync_light(BL::Object &b_parent,
                              int persistent_id[OBJECT_PERSISTENT_ID_SIZE],
-                             BObjectInfo &b_ob_info,
+                             BL::Object &b_ob,
+                             BL::Object &b_ob_instance,
                              int random_id,
                              Transform &tfm,
                              bool *use_portal)
 {
   /* test if we need to sync */
-  ObjectKey key(b_parent, persistent_id, b_ob_info.real_object, false);
-  BL::Light b_light(b_ob_info.object_data);
+  ObjectKey key(b_parent, persistent_id, b_ob_instance, false);
+  BL::Light b_light(b_ob.data());
 
   Light *light = light_map.find(key);
 
@@ -43,7 +44,7 @@ void BlenderSync::sync_light(BL::Object &b_parent,
   const bool tfm_updated = (light && light->get_tfm() != tfm);
 
   /* Update if either object or light data changed. */
-  if (!light_map.add_or_update(&light, b_ob_info.real_object, b_parent, key) && !tfm_updated) {
+  if (!light_map.add_or_update(&light, b_ob, b_parent, key) && !tfm_updated) {
     Shader *shader;
     if (!shader_map.add_or_update(&shader, b_light)) {
       if (light->get_is_portal())
@@ -125,17 +126,24 @@ void BlenderSync::sync_light(BL::Object &b_parent,
   light->set_shader(static_cast<Shader *>(used_shaders[0]));
 
   /* shadow */
+  PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
   PointerRNA clight = RNA_pointer_get(&b_light.ptr, "cycles");
   light->set_cast_shadow(get_boolean(clight, "cast_shadow"));
   light->set_use_mis(get_boolean(clight, "use_multiple_importance_sampling"));
 
+  int samples = get_int(clight, "samples");
+  if (get_boolean(cscene, "use_square_samples"))
+    light->set_samples(samples * samples);
+  else
+    light->set_samples(samples);
+
   light->set_max_bounces(get_int(clight, "max_bounces"));
 
-  if (b_ob_info.real_object != b_ob_info.iter_object) {
+  if (b_ob != b_ob_instance) {
     light->set_random_id(random_id);
   }
   else {
-    light->set_random_id(hash_uint2(hash_string(b_ob_info.real_object.name().c_str()), 0));
+    light->set_random_id(hash_uint2(hash_string(b_ob.name().c_str()), 0));
   }
 
   if (light->get_light_type() == LIGHT_AREA)
@@ -147,13 +155,11 @@ void BlenderSync::sync_light(BL::Object &b_parent,
     *use_portal = true;
 
   /* visibility */
-  uint visibility = object_ray_visibility(b_ob_info.real_object);
-  light->set_use_camera((visibility & PATH_RAY_CAMERA) != 0);
+  uint visibility = object_ray_visibility(b_ob);
   light->set_use_diffuse((visibility & PATH_RAY_DIFFUSE) != 0);
   light->set_use_glossy((visibility & PATH_RAY_GLOSSY) != 0);
   light->set_use_transmission((visibility & PATH_RAY_TRANSMIT) != 0);
   light->set_use_scatter((visibility & PATH_RAY_VOLUME_SCATTER) != 0);
-  light->set_is_shadow_catcher(b_ob_info.real_object.is_shadow_catcher());
 
   /* tag */
   light->tag_update(scene);
@@ -164,6 +170,7 @@ void BlenderSync::sync_background_light(BL::SpaceView3D &b_v3d, bool use_portal)
   BL::World b_world = b_scene.world();
 
   if (b_world) {
+    PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
     PointerRNA cworld = RNA_pointer_get(&b_world.ptr, "cycles");
 
     enum SamplingMethod { SAMPLING_NONE = 0, SAMPLING_AUTOMATIC, SAMPLING_MANUAL, SAMPLING_NUM };
@@ -191,6 +198,12 @@ void BlenderSync::sync_background_light(BL::SpaceView3D &b_v3d, bool use_portal)
         /* force enable light again when world is resynced */
         light->set_is_enabled(true);
 
+        int samples = get_int(cworld, "samples");
+        if (get_boolean(cscene, "use_square_samples"))
+          light->set_samples(samples * samples);
+        else
+          light->set_samples(samples);
+
         light->tag_update(scene);
         light_map.set_recalc(b_world);
       }
@@ -199,7 +212,7 @@ void BlenderSync::sync_background_light(BL::SpaceView3D &b_v3d, bool use_portal)
 
   world_map = b_world.ptr.data;
   world_recalc = false;
-  viewport_parameters = BlenderViewportParameters(b_v3d, use_developer_ui);
+  viewport_parameters = BlenderViewportParameters(b_v3d);
 }
 
 CCL_NAMESPACE_END

intern/cycles/blender/blender_mesh.cpp

@@ -347,57 +347,16 @@ static void fill_generic_attribute(BL::Mesh &b_mesh,
   }
 }
 
-static void attr_create_motion(Mesh *mesh, BL::Attribute &b_attribute, const float motion_scale)
-{
-  if (!(b_attribute.domain() == BL::Attribute::domain_POINT) &&
-      (b_attribute.data_type() == BL::Attribute::data_type_FLOAT_VECTOR)) {
-    return;
-  }
-
-  BL::FloatVectorAttribute b_vector_attribute(b_attribute);
-  const int numverts = mesh->get_verts().size();
-
-  /* Find or add attribute */
-  float3 *P = &mesh->get_verts()[0];
-  Attribute *attr_mP = mesh->attributes.find(ATTR_STD_MOTION_VERTEX_POSITION);
-
-  if (!attr_mP) {
-    attr_mP = mesh->attributes.add(ATTR_STD_MOTION_VERTEX_POSITION);
-  }
-
-  /* Only export previous and next frame, we don't have any in between data. */
-  float motion_times[2] = {-1.0f, 1.0f};
-  for (int step = 0; step < 2; step++) {
-    const float relative_time = motion_times[step] * 0.5f * motion_scale;
-    float3 *mP = attr_mP->data_float3() + step * numverts;
-
-    for (int i = 0; i < numverts; i++) {
-      mP[i] = P[i] + get_float3(b_vector_attribute.data[i].vector()) * relative_time;
-    }
-  }
-}
-
-static void attr_create_generic(Scene *scene,
-                                Mesh *mesh,
-                                BL::Mesh &b_mesh,
-                                const bool subdivision,
-                                const bool need_motion,
-                                const float motion_scale)
+static void attr_create_generic(Scene *scene, Mesh *mesh, BL::Mesh &b_mesh, bool subdivision)
 {
   if (subdivision) {
     /* TODO: Handle subdivision correctly. */
     return;
   }
   AttributeSet &attributes = mesh->attributes;
-  static const ustring u_velocity("velocity");
 
   for (BL::Attribute &b_attribute : b_mesh.attributes) {
     const ustring name{b_attribute.name().c_str()};
-
-    if (need_motion && name == u_velocity) {
-      attr_create_motion(mesh, b_attribute, motion_scale);
-    }
-
     if (!mesh->need_attribute(scene, name)) {
       continue;
     }
@@ -900,10 +859,8 @@ static void create_mesh(Scene *scene,
                         Mesh *mesh,
                         BL::Mesh &b_mesh,
                         const array<Node *> &used_shaders,
-                        const bool need_motion,
-                        const float motion_scale,
-                        const bool subdivision = false,
-                        const bool subdivide_uvs = true)
+                        bool subdivision = false,
+                        bool subdivide_uvs = true)
 {
   /* count vertices and faces */
   int numverts = b_mesh.vertices.length();
@@ -1017,7 +974,7 @@ static void create_mesh(Scene *scene,
   attr_create_vertex_color(scene, mesh, b_mesh, subdivision);
   attr_create_sculpt_vertex_color(scene, mesh, b_mesh, subdivision);
   attr_create_random_per_island(scene, mesh, b_mesh, subdivision);
-  attr_create_generic(scene, mesh, b_mesh, subdivision, need_motion, motion_scale);
+  attr_create_generic(scene, mesh, b_mesh, subdivision);
 
   if (subdivision) {
     attr_create_subd_uv_map(scene, mesh, b_mesh, subdivide_uvs);
@@ -1042,20 +999,16 @@ static void create_mesh(Scene *scene,
 
 static void create_subd_mesh(Scene *scene,
                              Mesh *mesh,
-                             BObjectInfo &b_ob_info,
+                             BL::Object &b_ob,
                              BL::Mesh &b_mesh,
                              const array<Node *> &used_shaders,
-                             const bool need_motion,
-                             const float motion_scale,
                              float dicing_rate,
                              int max_subdivisions)
 {
-  BL::Object b_ob = b_ob_info.real_object;
-
   BL::SubsurfModifier subsurf_mod(b_ob.modifiers[b_ob.modifiers.length() - 1]);
   bool subdivide_uvs = subsurf_mod.uv_smooth() != BL::SubsurfModifier::uv_smooth_NONE;
 
-  create_mesh(scene, mesh, b_mesh, used_shaders, need_motion, motion_scale, true, subdivide_uvs);
+  create_mesh(scene, mesh, b_mesh, used_shaders, true, subdivide_uvs);
 
   /* export creases */
   size_t num_creases = 0;
@@ -1090,7 +1043,7 @@ static void create_subd_mesh(Scene *scene,
  *
  * NOTE: This code is run prior to object motion blur initialization. so can not access properties
  * set by `sync_object_motion_init()`. */
-static bool mesh_need_motion_attribute(BObjectInfo &b_ob_info, Scene *scene)
+static bool mesh_need_motion_attribute(BL::Object &b_ob, Scene *scene)
 {
   const Scene::MotionType need_motion = scene->need_motion();
   if (need_motion == Scene::MOTION_NONE) {
@@ -1107,7 +1060,7 @@ static bool mesh_need_motion_attribute(BObjectInfo &b_ob_info, Scene *scene)
      * - Motion attribute expects non-zero time steps.
      *
      * Avoid adding motion attributes if the motion blur will enforce 0 motion steps. */
-    PointerRNA cobject = RNA_pointer_get(&b_ob_info.real_object.ptr, "cycles");
+    PointerRNA cobject = RNA_pointer_get(&b_ob.ptr, "cycles");
     const bool use_motion = get_boolean(cobject, "use_motion_blur");
     if (!use_motion) {
       return false;
@@ -1119,7 +1072,92 @@ static bool mesh_need_motion_attribute(BObjectInfo &b_ob_info, Scene *scene)
   return true;
 }
 
-void BlenderSync::sync_mesh(BL::Depsgraph b_depsgraph, BObjectInfo &b_ob_info, Mesh *mesh)
+static void sync_mesh_cached_velocities(BL::Object &b_ob, Scene *scene, Mesh *mesh)
+{
+  if (!mesh_need_motion_attribute(b_ob, scene)) {
+    return;
+  }
+
+  BL::MeshSequenceCacheModifier b_mesh_cache = object_mesh_cache_find(b_ob, true, nullptr);
+
+  if (!b_mesh_cache) {
+    return;
+  }
+
+  if (!MeshSequenceCacheModifier_read_velocity_get(&b_mesh_cache.ptr)) {
+    return;
+  }
+
+  const size_t numverts = mesh->get_verts().size();
+
+  if (b_mesh_cache.vertex_velocities.length() != numverts) {
+    return;
+  }
+
+  /* Find or add attribute */
+  float3 *P = &mesh->get_verts()[0];
+  Attribute *attr_mP = mesh->attributes.find(ATTR_STD_MOTION_VERTEX_POSITION);
+
+  if (!attr_mP) {
+    attr_mP = mesh->attributes.add(ATTR_STD_MOTION_VERTEX_POSITION);
+  }
+
+  /* Only export previous and next frame, we don't have any in between data. */
+  float motion_times[2] = {-1.0f, 1.0f};
+  for (int step = 0; step < 2; step++) {
+    const float relative_time = motion_times[step] * scene->motion_shutter_time() * 0.5f;
+    float3 *mP = attr_mP->data_float3() + step * numverts;
+
+    BL::MeshSequenceCacheModifier::vertex_velocities_iterator vvi;
+    int i = 0;
+
+    for (b_mesh_cache.vertex_velocities.begin(vvi); vvi != b_mesh_cache.vertex_velocities.end();
+         ++vvi, ++i) {
+      mP[i] = P[i] + get_float3(vvi->velocity()) * relative_time;
+    }
+  }
+}
+
+static void sync_mesh_fluid_motion(BL::Object &b_ob, Scene *scene, Mesh *mesh)
+{
+  if (!mesh_need_motion_attribute(b_ob, scene)) {
+    return;
+  }
+
+  BL::FluidDomainSettings b_fluid_domain = object_fluid_liquid_domain_find(b_ob);
+
+  if (!b_fluid_domain)
+    return;
+
+  /* If the mesh has modifiers following the fluid domain we can't export motion. */
+  if (b_fluid_domain.mesh_vertices.length() != mesh->get_verts().size())
+    return;
+
+  /* Find or add attribute */
+  float3 *P = &mesh->get_verts()[0];
+  Attribute *attr_mP = mesh->attributes.find(ATTR_STD_MOTION_VERTEX_POSITION);
+
+  if (!attr_mP) {
+    attr_mP = mesh->attributes.add(ATTR_STD_MOTION_VERTEX_POSITION);
+  }
+
+  /* Only export previous and next frame, we don't have any in between data. */
+  float motion_times[2] = {-1.0f, 1.0f};
+  for (int step = 0; step < 2; step++) {
+    float relative_time = motion_times[step] * scene->motion_shutter_time() * 0.5f;
+    float3 *mP = attr_mP->data_float3() + step * mesh->get_verts().size();
+
+    BL::FluidDomainSettings::mesh_vertices_iterator svi;
+    int i = 0;
+
+    for (b_fluid_domain.mesh_vertices.begin(svi); svi != b_fluid_domain.mesh_vertices.end();
+         ++svi, ++i) {
+      mP[i] = P[i] + get_float3(svi->velocity()) * relative_time;
+    }
+  }
+}
+
+void BlenderSync::sync_mesh(BL::Depsgraph b_depsgraph, BL::Object b_ob, Mesh *mesh)
 {
   /* make a copy of the shaders as the caller in the main thread still need them for syncing the
    * attributes */
@@ -1132,47 +1170,37 @@ void BlenderSync::sync_mesh(BL::Depsgraph b_depsgraph, BObjectInfo &b_ob_info, M
     /* Adaptive subdivision setup. Not for baking since that requires
      * exact mapping to the Blender mesh. */
     if (!scene->bake_manager->get_baking()) {
-      new_mesh.set_subdivision_type(
-          object_subdivision_type(b_ob_info.real_object, preview, experimental));
+      new_mesh.set_subdivision_type(object_subdivision_type(b_ob, preview, experimental));
     }
 
     /* For some reason, meshes do not need this... */
     bool need_undeformed = new_mesh.need_attribute(scene, ATTR_STD_GENERATED);
     BL::Mesh b_mesh = object_to_mesh(
-        b_data, b_ob_info, b_depsgraph, need_undeformed, new_mesh.get_subdivision_type());
+        b_data, b_ob, b_depsgraph, need_undeformed, new_mesh.get_subdivision_type());
 
     if (b_mesh) {
-      /* Motion blur attribute is relative to seconds, we need it relative to frames. */
-      const bool need_motion = mesh_need_motion_attribute(b_ob_info, scene);
-      const float motion_scale = (need_motion) ?
-                                     scene->motion_shutter_time() /
-                                         (b_scene.render().fps() / b_scene.render().fps_base()) :
-                                     0.0f;
-
       /* Sync mesh itself. */
       if (new_mesh.get_subdivision_type() != Mesh::SUBDIVISION_NONE)
         create_subd_mesh(scene,
                          &new_mesh,
-                         b_ob_info,
+                         b_ob,
                          b_mesh,
                          new_mesh.get_used_shaders(),
-                         need_motion,
-                         motion_scale,
                          dicing_rate,
                          max_subdivisions);
       else
-        create_mesh(scene,
-                    &new_mesh,
-                    b_mesh,
-                    new_mesh.get_used_shaders(),
-                    need_motion,
-                    motion_scale,
-                    false);
+        create_mesh(scene, &new_mesh, b_mesh, new_mesh.get_used_shaders(), false);
 
-      free_object_to_mesh(b_data, b_ob_info, b_mesh);
+      free_object_to_mesh(b_data, b_ob, b_mesh);
     }
   }
 
+  /* cached velocities (e.g. from alembic archive) */
+  sync_mesh_cached_velocities(b_ob, scene, &new_mesh);
+
+  /* mesh fluid motion mantaflow */
+  sync_mesh_fluid_motion(b_ob, scene, &new_mesh);
+
   /* update original sockets */
 
   mesh->clear_non_sockets();
@@ -1202,10 +1230,22 @@ void BlenderSync::sync_mesh(BL::Depsgraph b_depsgraph, BObjectInfo &b_ob_info, M
 }
 
 void BlenderSync::sync_mesh_motion(BL::Depsgraph b_depsgraph,
-                                   BObjectInfo &b_ob_info,
+                                   BL::Object b_ob,
                                    Mesh *mesh,
                                    int motion_step)
 {
+  /* Fluid motion blur already exported. */
+  BL::FluidDomainSettings b_fluid_domain = object_fluid_liquid_domain_find(b_ob);
+  if (b_fluid_domain) {
+    return;
+  }
+
+  /* Cached motion blur already exported. */
+  BL::MeshSequenceCacheModifier mesh_cache = object_mesh_cache_find(b_ob, true, nullptr);
+  if (mesh_cache) {
+    return;
+  }
+
   /* Skip if no vertices were exported. */
   size_t numverts = mesh->get_verts().size();
   if (numverts == 0) {
@@ -1215,13 +1255,11 @@ void BlenderSync::sync_mesh_motion(BL::Depsgraph b_depsgraph,
   /* Skip objects without deforming modifiers. this is not totally reliable,
    * would need a more extensive check to see which objects are animated. */
   BL::Mesh b_mesh(PointerRNA_NULL);
-  if (ccl::BKE_object_is_deform_modified(b_ob_info, b_scene, preview)) {
+  if (ccl::BKE_object_is_deform_modified(b_ob, b_scene, preview)) {
     /* get derived mesh */
-    b_mesh = object_to_mesh(b_data, b_ob_info, b_depsgraph, false, Mesh::SUBDIVISION_NONE);
+    b_mesh = object_to_mesh(b_data, b_ob, b_depsgraph, false, Mesh::SUBDIVISION_NONE);
   }
 
-  const std::string ob_name = b_ob_info.real_object.name();
-
   /* TODO(sergey): Perform preliminary check for number of vertices. */
   if (b_mesh) {
     /* Export deformed coordinates. */
@@ -1257,17 +1295,17 @@ void BlenderSync::sync_mesh_motion(BL::Depsgraph b_depsgraph,
           memcmp(mP, &mesh->get_verts()[0], sizeof(float3) * numverts) == 0) {
         /* no motion, remove attributes again */
         if (b_mesh.vertices.length() != numverts) {
-          VLOG(1) << "Topology differs, disabling motion blur for object " << ob_name;
+          VLOG(1) << "Topology differs, disabling motion blur for object " << b_ob.name();
         }
         else {
-          VLOG(1) << "No actual deformation motion for object " << ob_name;
+          VLOG(1) << "No actual deformation motion for object " << b_ob.name();
         }
         mesh->attributes.remove(ATTR_STD_MOTION_VERTEX_POSITION);
         if (attr_mN)
           mesh->attributes.remove(ATTR_STD_MOTION_VERTEX_NORMAL);
       }
       else if (motion_step > 0) {
-        VLOG(1) << "Filling deformation motion for object " << ob_name;
+        VLOG(1) << "Filling deformation motion for object " << b_ob.name();
         /* motion, fill up previous steps that we might have skipped because
          * they had no motion, but we need them anyway now */
         float3 *P = &mesh->get_verts()[0];
@@ -1281,8 +1319,8 @@ void BlenderSync::sync_mesh_motion(BL::Depsgraph b_depsgraph,
     }
     else {
       if (b_mesh.vertices.length() != numverts) {
-        VLOG(1) << "Topology differs, discarding motion blur for object " << ob_name << " at time "
-                << motion_step;
+        VLOG(1) << "Topology differs, discarding motion blur for object " << b_ob.name()
+                << " at time " << motion_step;
         memcpy(mP, &mesh->get_verts()[0], sizeof(float3) * numverts);
         if (mN != NULL) {
           memcpy(mN, attr_N->data_float3(), sizeof(float3) * numverts);
@@ -1290,7 +1328,7 @@ void BlenderSync::sync_mesh_motion(BL::Depsgraph b_depsgraph,
       }
     }
 
-    free_object_to_mesh(b_data, b_ob_info, b_mesh);
+    free_object_to_mesh(b_data, b_ob, b_mesh);
     return;
   }
 

intern/cycles/blender/blender_object.cpp

@@ -154,7 +154,7 @@ Object *BlenderSync::sync_object(BL::Depsgraph &b_depsgraph,
   const bool is_instance = b_instance.is_instance();
   BL::Object b_ob = b_instance.object();
   BL::Object b_parent = is_instance ? b_instance.parent() : b_instance.object();
-  BObjectInfo b_ob_info{b_ob, is_instance ? b_instance.instance_object() : b_ob, b_ob.data()};
+  BL::Object b_ob_instance = is_instance ? b_instance.instance_object() : b_ob;
   const bool motion = motion_time != 0.0f;
   /*const*/ Transform tfm = get_transform(b_ob.matrix_world());
   int *persistent_id = NULL;
@@ -178,7 +178,8 @@ Object *BlenderSync::sync_object(BL::Depsgraph &b_depsgraph,
     {
       sync_light(b_parent,
                  persistent_id,
-                 b_ob_info,
+                 b_ob,
+                 b_ob_instance,
                  is_instance ? b_instance.random_id() : 0,
                  tfm,
                  use_portal);
@@ -230,7 +231,7 @@ Object *BlenderSync::sync_object(BL::Depsgraph &b_depsgraph,
   TaskPool *object_geom_task_pool = (is_instance) ? NULL : geom_task_pool;
 
   /* key to lookup object */
-  ObjectKey key(b_parent, persistent_id, b_ob_info.real_object, use_particle_hair);
+  ObjectKey key(b_parent, persistent_id, b_ob_instance, use_particle_hair);
   Object *object;
 
   /* motion vector case */
@@ -248,8 +249,12 @@ Object *BlenderSync::sync_object(BL::Depsgraph &b_depsgraph,
 
       /* mesh deformation */
       if (object->get_geometry())
-        sync_geometry_motion(
-            b_depsgraph, b_ob_info, object, motion_time, use_particle_hair, object_geom_task_pool);
+        sync_geometry_motion(b_depsgraph,
+                             b_ob_instance,
+                             object,
+                             motion_time,
+                             use_particle_hair,
+                             object_geom_task_pool);
     }
 
     return object;
@@ -260,8 +265,15 @@ Object *BlenderSync::sync_object(BL::Depsgraph &b_depsgraph,
                         (tfm != object->get_tfm());
 
   /* mesh sync */
-  Geometry *geometry = sync_geometry(
-      b_depsgraph, b_ob_info, object_updated, use_particle_hair, object_geom_task_pool);
+  /* b_ob is owned by the iterator and will go out of scope at the end of the block.
+   * b_ob_instance is the original object and will remain valid for deferred geometry
+   * sync. */
+  Geometry *geometry = sync_geometry(b_depsgraph,
+                                     b_ob_instance,
+                                     b_ob_instance,
+                                     object_updated,
+                                     use_particle_hair,
+                                     object_geom_task_pool);
   object->set_geometry(geometry);
 
   /* special case not tracked by object update flags */
@@ -364,7 +376,7 @@ static bool lookup_property(BL::ID b_id, const string &name, float4 *r_value)
     if (type == PROP_FLOAT)
       value = RNA_property_float_get(&ptr, prop);
     else if (type == PROP_INT)
-      value = static_cast<float>(RNA_property_int_get(&ptr, prop));
+      value = RNA_property_int_get(&ptr, prop);
     else
       return false;
 
@@ -492,14 +504,14 @@ void BlenderSync::sync_procedural(BL::Object &b_ob,
     procedural_map.used(procedural);
   }
 
-  float current_frame = static_cast<float>(b_scene.frame_current());
+  float current_frame = b_scene.frame_current();
   if (cache_file.override_frame()) {
     current_frame = cache_file.frame();
   }
 
   if (!cache_file.override_frame()) {
-    procedural->set_start_frame(static_cast<float>(b_scene.frame_start()));
-    procedural->set_end_frame(static_cast<float>(b_scene.frame_end()));
+    procedural->set_start_frame(b_scene.frame_start());
+    procedural->set_end_frame(b_scene.frame_end());
   }
 
   procedural->set_frame(current_frame);
@@ -535,7 +547,6 @@ void BlenderSync::sync_procedural(BL::Object &b_ob,
 #else
   (void)b_ob;
   (void)b_mesh_cache;
-  (void)has_subdivision_modifier;
 #endif
 }
 
@@ -568,7 +579,7 @@ void BlenderSync::sync_objects(BL::Depsgraph &b_depsgraph,
   /* object loop */
   bool cancel = false;
   bool use_portal = false;
-  const bool show_lights = BlenderViewportParameters(b_v3d, use_developer_ui).use_scene_lights;
+  const bool show_lights = BlenderViewportParameters(b_v3d).use_scene_lights;
 
   BL::ViewLayer b_view_layer = b_depsgraph.view_layer_eval();
   BL::Depsgraph::object_instances_iterator b_instance_iter;
@@ -604,7 +615,7 @@ void BlenderSync::sync_objects(BL::Depsgraph &b_depsgraph,
        * only available in preview renders since currently do not have a good cache policy, the
        * data being loaded at once for all the frames. */
       if (experimental && b_v3d) {
-        b_mesh_cache = object_mesh_cache_find(b_ob, &has_subdivision_modifier);
+        b_mesh_cache = object_mesh_cache_find(b_ob, false, &has_subdivision_modifier);
         use_procedural = b_mesh_cache && b_mesh_cache.cache_file().use_render_procedural();
       }
 
@@ -719,14 +730,6 @@ void BlenderSync::sync_motion(BL::RenderSettings &b_render,
     }
   }
 
-  /* Check which geometry already has motion blur so it can be skipped. */
-  geometry_motion_attribute_synced.clear();
-  for (Geometry *geom : scene->geometry) {
-    if (geom->attributes.find(ATTR_STD_MOTION_VERTEX_POSITION)) {
-      geometry_motion_attribute_synced.insert(geom);
-    }
-  }
-
   /* note iteration over motion_times set happens in sorted order */
   foreach (float relative_time, motion_times) {
     /* center time is already handled. */
@@ -757,8 +760,6 @@ void BlenderSync::sync_motion(BL::RenderSettings &b_render,
     sync_objects(b_depsgraph, b_v3d, relative_time);
   }
 
-  geometry_motion_attribute_synced.clear();
-
   /* we need to set the python thread state again because this
    * function assumes it is being executed from python and will
    * try to save the thread state */

intern/cycles/blender/blender_python.cpp

@@ -45,6 +45,10 @@
 #  include <OSL/oslquery.h>
 #endif
 
+#ifdef WITH_OPENCL
+#  include "device/device_intern.h"
+#endif
+
 CCL_NAMESPACE_BEGIN
 
 namespace {
@@ -68,10 +72,12 @@ PyObject *pyunicode_from_string(const char *str)
 /* Synchronize debug flags from a given Blender scene.
  * Return truth when device list needs invalidation.
  */
-static void debug_flags_sync_from_scene(BL::Scene b_scene)
+bool debug_flags_sync_from_scene(BL::Scene b_scene)
 {
   DebugFlagsRef flags = DebugFlags();
   PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
+  /* Backup some settings for comparison. */
+  DebugFlags::OpenCL::DeviceType opencl_device_type = flags.opencl.device_type;
   /* Synchronize shared flags. */
   flags.viewport_static_bvh = get_enum(cscene, "debug_bvh_type");
   /* Synchronize CPU flags. */
@@ -81,19 +87,50 @@ static void debug_flags_sync_from_scene(BL::Scene b_scene)
   flags.cpu.sse3 = get_boolean(cscene, "debug_use_cpu_sse3");
   flags.cpu.sse2 = get_boolean(cscene, "debug_use_cpu_sse2");
   flags.cpu.bvh_layout = (BVHLayout)get_enum(cscene, "debug_bvh_layout");
+  flags.cpu.split_kernel = get_boolean(cscene, "debug_use_cpu_split_kernel");
   /* Synchronize CUDA flags. */
   flags.cuda.adaptive_compile = get_boolean(cscene, "debug_use_cuda_adaptive_compile");
+  flags.cuda.split_kernel = get_boolean(cscene, "debug_use_cuda_split_kernel");
   /* Synchronize OptiX flags. */
-  flags.optix.use_debug = get_boolean(cscene, "debug_use_optix_debug");
+  flags.optix.cuda_streams = get_int(cscene, "debug_optix_cuda_streams");
+  flags.optix.curves_api = get_boolean(cscene, "debug_optix_curves_api");
+  /* Synchronize OpenCL device type. */
+  switch (get_enum(cscene, "debug_opencl_device_type")) {
+    case 0:
+      flags.opencl.device_type = DebugFlags::OpenCL::DEVICE_NONE;
+      break;
+    case 1:
+      flags.opencl.device_type = DebugFlags::OpenCL::DEVICE_ALL;
+      break;
+    case 2:
+      flags.opencl.device_type = DebugFlags::OpenCL::DEVICE_DEFAULT;
+      break;
+    case 3:
+      flags.opencl.device_type = DebugFlags::OpenCL::DEVICE_CPU;
+      break;
+    case 4:
+      flags.opencl.device_type = DebugFlags::OpenCL::DEVICE_GPU;
+      break;
+    case 5:
+      flags.opencl.device_type = DebugFlags::OpenCL::DEVICE_ACCELERATOR;
+      break;
+  }
+  /* Synchronize other OpenCL flags. */
+  flags.opencl.debug = get_boolean(cscene, "debug_use_opencl_debug");
+  flags.opencl.mem_limit = ((size_t)get_int(cscene, "debug_opencl_mem_limit")) * 1024 * 1024;
+  return flags.opencl.device_type != opencl_device_type;
 }
 
 /* Reset debug flags to default values.
  * Return truth when device list needs invalidation.
  */
-static void debug_flags_reset()
+bool debug_flags_reset()
 {
   DebugFlagsRef flags = DebugFlags();
+  /* Backup some settings for comparison. */
+  DebugFlags::OpenCL::DeviceType opencl_device_type = flags.opencl.device_type;
   flags.reset();
+  return flags.opencl.device_type != opencl_device_type;
 }
 
 } /* namespace */
@@ -138,20 +175,18 @@ static const char *PyC_UnicodeAsByte(PyObject *py_str, PyObject **coerce)
 
 static PyObject *init_func(PyObject * /*self*/, PyObject *args)
 {
-  PyObject *path, *user_path, *temp_path;
+  PyObject *path, *user_path;
   int headless;
 
-  if (!PyArg_ParseTuple(args, "OOOi", &path, &user_path, &temp_path, &headless)) {
-    return nullptr;
+  if (!PyArg_ParseTuple(args, "OOi", &path, &user_path, &headless)) {
+    return NULL;
   }
 
-  PyObject *path_coerce = nullptr, *user_path_coerce = nullptr, *temp_path_coerce = nullptr;
+  PyObject *path_coerce = NULL, *user_path_coerce = NULL;
   path_init(PyC_UnicodeAsByte(path, &path_coerce),
-            PyC_UnicodeAsByte(user_path, &user_path_coerce),
-            PyC_UnicodeAsByte(temp_path, &temp_path_coerce));
+            PyC_UnicodeAsByte(user_path, &user_path_coerce));
   Py_XDECREF(path_coerce);
   Py_XDECREF(user_path_coerce);
-  Py_XDECREF(temp_path_coerce);
 
   BlenderSession::headless = headless;
 
@@ -264,50 +299,6 @@ static PyObject *render_func(PyObject * /*self*/, PyObject *args)
   Py_RETURN_NONE;
 }
 
-static PyObject *render_frame_finish_func(PyObject * /*self*/, PyObject *args)
-{
-  PyObject *pysession;
-
-  if (!PyArg_ParseTuple(args, "O", &pysession)) {
-    return nullptr;
-  }
-
-  BlenderSession *session = (BlenderSession *)PyLong_AsVoidPtr(pysession);
-
-  /* Allow Blender to execute other Python scripts. */
-  python_thread_state_save(&session->python_thread_state);
-
-  session->render_frame_finish();
-
-  python_thread_state_restore(&session->python_thread_state);
-
-  Py_RETURN_NONE;
-}
-
-static PyObject *draw_func(PyObject * /*self*/, PyObject *args)
-{
-  PyObject *py_session, *py_graph, *py_screen, *py_space_image;
-
-  if (!PyArg_ParseTuple(args, "OOOO", &py_session, &py_graph, &py_screen, &py_space_image)) {
-    return nullptr;
-  }
-
-  BlenderSession *session = (BlenderSession *)PyLong_AsVoidPtr(py_session);
-
-  ID *b_screen = (ID *)PyLong_AsVoidPtr(py_screen);
-
-  PointerRNA b_space_image_ptr;
-  RNA_pointer_create(b_screen,
-                     &RNA_SpaceImageEditor,
-                     pylong_as_voidptr_typesafe(py_space_image),
-                     &b_space_image_ptr);
-  BL::SpaceImageEditor b_space_image(b_space_image_ptr);
-
-  session->draw(b_space_image);
-
-  Py_RETURN_NONE;
-}
-
 /* pixel_array and result passed as pointers */
 static PyObject *bake_func(PyObject * /*self*/, PyObject *args)
 {
@@ -345,7 +336,7 @@ static PyObject *bake_func(PyObject * /*self*/, PyObject *args)
   Py_RETURN_NONE;
 }
 
-static PyObject *view_draw_func(PyObject * /*self*/, PyObject *args)
+static PyObject *draw_func(PyObject * /*self*/, PyObject *args)
 {
   PyObject *pysession, *pygraph, *pyv3d, *pyrv3d;
 
@@ -359,7 +350,7 @@ static PyObject *view_draw_func(PyObject * /*self*/, PyObject *args)
     int viewport[4];
     glGetIntegerv(GL_VIEWPORT, viewport);
 
-    session->view_draw(viewport[2], viewport[3]);
+    session->draw(viewport[2], viewport[3]);
   }
 
   Py_RETURN_NONE;
@@ -706,6 +697,40 @@ static PyObject *system_info_func(PyObject * /*self*/, PyObject * /*value*/)
   return pyunicode_from_string(system_info.c_str());
 }
 
+#ifdef WITH_OPENCL
+static PyObject *opencl_disable_func(PyObject * /*self*/, PyObject * /*value*/)
+{
+  VLOG(2) << "Disabling OpenCL platform.";
+  DebugFlags().opencl.device_type = DebugFlags::OpenCL::DEVICE_NONE;
+  Py_RETURN_NONE;
+}
+
+static PyObject *opencl_compile_func(PyObject * /*self*/, PyObject *args)
+{
+  PyObject *sequence = PySequence_Fast(args, "Arguments must be a sequence");
+  if (sequence == NULL) {
+    Py_RETURN_FALSE;
+  }
+
+  vector<string> parameters;
+  for (Py_ssize_t i = 0; i < PySequence_Fast_GET_SIZE(sequence); i++) {
+    PyObject *item = PySequence_Fast_GET_ITEM(sequence, i);
+    PyObject *item_as_string = PyObject_Str(item);
+    const char *parameter_string = PyUnicode_AsUTF8(item_as_string);
+    parameters.push_back(parameter_string);
+    Py_DECREF(item_as_string);
+  }
+  Py_DECREF(sequence);
+
+  if (device_opencl_compile_kernel(parameters)) {
+    Py_RETURN_TRUE;
+  }
+  else {
+    Py_RETURN_FALSE;
+  }
+}
+#endif
+
 static bool image_parse_filepaths(PyObject *pyfilepaths, vector<string> &filepaths)
 {
   if (PyUnicode_Check(pyfilepaths)) {
@@ -737,10 +762,6 @@ static bool image_parse_filepaths(PyObject *pyfilepaths, vector<string> &filepat
 
 static PyObject *denoise_func(PyObject * /*self*/, PyObject *args, PyObject *keywords)
 {
-#if 1
-  (void)args;
-  (void)keywords;
-#else
   static const char *keyword_list[] = {
       "preferences", "scene", "view_layer", "input", "output", "tile_size", "samples", NULL};
   PyObject *pypreferences, *pyscene, *pyviewlayer;
@@ -814,7 +835,7 @@ static PyObject *denoise_func(PyObject * /*self*/, PyObject *args, PyObject *key
   }
 
   /* Create denoiser. */
-  DenoiserPipeline denoiser(device);
+  Denoiser denoiser(device);
   denoiser.params = params;
   denoiser.input = input;
   denoiser.output = output;
@@ -831,7 +852,6 @@ static PyObject *denoise_func(PyObject * /*self*/, PyObject *args, PyObject *key
     PyErr_SetString(PyExc_ValueError, denoiser.error.c_str());
     return NULL;
   }
-#endif
 
   Py_RETURN_NONE;
 }
@@ -883,7 +903,10 @@ static PyObject *debug_flags_update_func(PyObject * /*self*/, PyObject *args)
   RNA_id_pointer_create((ID *)PyLong_AsVoidPtr(pyscene), &sceneptr);
   BL::Scene b_scene(sceneptr);
 
-  debug_flags_sync_from_scene(b_scene);
+  if (debug_flags_sync_from_scene(b_scene)) {
+    VLOG(2) << "Tagging device list for update.";
+    Device::tag_update();
+  }
 
   VLOG(2) << "Debug flags set to:\n" << DebugFlags();
 
@@ -894,7 +917,10 @@ static PyObject *debug_flags_update_func(PyObject * /*self*/, PyObject *args)
 
 static PyObject *debug_flags_reset_func(PyObject * /*self*/, PyObject * /*args*/)
 {
-  debug_flags_reset();
+  if (debug_flags_reset()) {
+    VLOG(2) << "Tagging device list for update.";
+    Device::tag_update();
+  }
   if (debug_flags_set) {
     VLOG(2) << "Debug flags reset to:\n" << DebugFlags();
     debug_flags_set = false;
@@ -902,6 +928,84 @@ static PyObject *debug_flags_reset_func(PyObject * /*self*/, PyObject * /*args*/
   Py_RETURN_NONE;
 }
 
+static PyObject *set_resumable_chunk_func(PyObject * /*self*/, PyObject *args)
+{
+  int num_resumable_chunks, current_resumable_chunk;
+  if (!PyArg_ParseTuple(args, "ii", &num_resumable_chunks, &current_resumable_chunk)) {
+    Py_RETURN_NONE;
+  }
+
+  if (num_resumable_chunks <= 0) {
+    fprintf(stderr, "Cycles: Bad value for number of resumable chunks.\n");
+    abort();
+    Py_RETURN_NONE;
+  }
+  if (current_resumable_chunk < 1 || current_resumable_chunk > num_resumable_chunks) {
+    fprintf(stderr, "Cycles: Bad value for current resumable chunk number.\n");
+    abort();
+    Py_RETURN_NONE;
+  }
+
+  VLOG(1) << "Initialized resumable render: "
+          << "num_resumable_chunks=" << num_resumable_chunks << ", "
+          << "current_resumable_chunk=" << current_resumable_chunk;
+  BlenderSession::num_resumable_chunks = num_resumable_chunks;
+  BlenderSession::current_resumable_chunk = current_resumable_chunk;
+
+  printf("Cycles: Will render chunk %d of %d\n", current_resumable_chunk, num_resumable_chunks);
+
+  Py_RETURN_NONE;
+}
+
+static PyObject *set_resumable_chunk_range_func(PyObject * /*self*/, PyObject *args)
+{
+  int num_chunks, start_chunk, end_chunk;
+  if (!PyArg_ParseTuple(args, "iii", &num_chunks, &start_chunk, &end_chunk)) {
+    Py_RETURN_NONE;
+  }
+
+  if (num_chunks <= 0) {
+    fprintf(stderr, "Cycles: Bad value for number of resumable chunks.\n");
+    abort();
+    Py_RETURN_NONE;
+  }
+  if (start_chunk < 1 || start_chunk > num_chunks) {
+    fprintf(stderr, "Cycles: Bad value for start chunk number.\n");
+    abort();
+    Py_RETURN_NONE;
+  }
+  if (end_chunk < 1 || end_chunk > num_chunks) {
+    fprintf(stderr, "Cycles: Bad value for start chunk number.\n");
+    abort();
+    Py_RETURN_NONE;
+  }
+  if (start_chunk > end_chunk) {
+    fprintf(stderr, "Cycles: End chunk should be higher than start one.\n");
+    abort();
+    Py_RETURN_NONE;
+  }
+
+  VLOG(1) << "Initialized resumable render: "
+          << "num_resumable_chunks=" << num_chunks << ", "
+          << "start_resumable_chunk=" << start_chunk << "end_resumable_chunk=" << end_chunk;
+  BlenderSession::num_resumable_chunks = num_chunks;
+  BlenderSession::start_resumable_chunk = start_chunk;
+  BlenderSession::end_resumable_chunk = end_chunk;
+
+  printf("Cycles: Will render chunks %d to %d of %d\n", start_chunk, end_chunk, num_chunks);
+
+  Py_RETURN_NONE;
+}
+
+static PyObject *clear_resumable_chunk_func(PyObject * /*self*/, PyObject * /*value*/)
+{
+  VLOG(1) << "Clear resumable render";
+  BlenderSession::num_resumable_chunks = 0;
+  BlenderSession::current_resumable_chunk = 0;
+
+  Py_RETURN_NONE;
+}
+
 static PyObject *enable_print_stats_func(PyObject * /*self*/, PyObject * /*args*/)
 {
   BlenderSession::print_render_stats = true;
@@ -911,14 +1015,16 @@ static PyObject *enable_print_stats_func(PyObject * /*self*/, PyObject * /*args*
 static PyObject *get_device_types_func(PyObject * /*self*/, PyObject * /*args*/)
 {
   vector<DeviceType> device_types = Device::available_types();
-  bool has_cuda = false, has_optix = false;
+  bool has_cuda = false, has_optix = false, has_opencl = false;
   foreach (DeviceType device_type, device_types) {
     has_cuda |= (device_type == DEVICE_CUDA);
     has_optix |= (device_type == DEVICE_OPTIX);
+    has_opencl |= (device_type == DEVICE_OPENCL);
   }
-  PyObject *list = PyTuple_New(2);
+  PyObject *list = PyTuple_New(3);
   PyTuple_SET_ITEM(list, 0, PyBool_FromLong(has_cuda));
   PyTuple_SET_ITEM(list, 1, PyBool_FromLong(has_optix));
+  PyTuple_SET_ITEM(list, 2, PyBool_FromLong(has_opencl));
   return list;
 }
 
@@ -938,6 +1044,9 @@ static PyObject *set_device_override_func(PyObject * /*self*/, PyObject *arg)
   if (override == "CPU") {
     BlenderSession::device_override = DEVICE_MASK_CPU;
   }
+  else if (override == "OPENCL") {
+    BlenderSession::device_override = DEVICE_MASK_OPENCL;
+  }
   else if (override == "CUDA") {
     BlenderSession::device_override = DEVICE_MASK_CUDA;
   }
@@ -963,10 +1072,8 @@ static PyMethodDef methods[] = {
     {"create", create_func, METH_VARARGS, ""},
     {"free", free_func, METH_O, ""},
     {"render", render_func, METH_VARARGS, ""},
-    {"render_frame_finish", render_frame_finish_func, METH_VARARGS, ""},
-    {"draw", draw_func, METH_VARARGS, ""},
     {"bake", bake_func, METH_VARARGS, ""},
-    {"view_draw", view_draw_func, METH_VARARGS, ""},
+    {"draw", draw_func, METH_VARARGS, ""},
     {"sync", sync_func, METH_VARARGS, ""},
     {"reset", reset_func, METH_VARARGS, ""},
 #ifdef WITH_OSL
@@ -975,6 +1082,10 @@ static PyMethodDef methods[] = {
 #endif
     {"available_devices", available_devices_func, METH_VARARGS, ""},
     {"system_info", system_info_func, METH_NOARGS, ""},
+#ifdef WITH_OPENCL
+    {"opencl_disable", opencl_disable_func, METH_NOARGS, ""},
+    {"opencl_compile", opencl_compile_func, METH_VARARGS, ""},
+#endif
 
     /* Standalone denoising */
     {"denoise", (PyCFunction)denoise_func, METH_VARARGS | METH_KEYWORDS, ""},
@@ -987,6 +1098,11 @@ static PyMethodDef methods[] = {
     /* Statistics. */
     {"enable_print_stats", enable_print_stats_func, METH_NOARGS, ""},
 
+    /* Resumable render */
+    {"set_resumable_chunk", set_resumable_chunk_func, METH_VARARGS, ""},
+    {"set_resumable_chunk_range", set_resumable_chunk_range_func, METH_VARARGS, ""},
+    {"clear_resumable_chunk", clear_resumable_chunk_func, METH_NOARGS, ""},
+
     /* Compute Device selection */
     {"get_device_types", get_device_types_func, METH_VARARGS, ""},
     {"set_device_override", set_device_override_func, METH_O, ""},
@@ -1037,6 +1153,14 @@ void *CCL_python_module_init()
   PyModule_AddStringConstant(mod, "osl_version_string", "unknown");
 #endif
 
+#ifdef WITH_NETWORK
+  PyModule_AddObject(mod, "with_network", Py_True);
+  Py_INCREF(Py_True);
+#else  /* WITH_NETWORK */
+  PyModule_AddObject(mod, "with_network", Py_False);
+  Py_INCREF(Py_False);
+#endif /* WITH_NETWORK */
+
 #ifdef WITH_EMBREE
   PyModule_AddObject(mod, "with_embree", Py_True);
   Py_INCREF(Py_True);

intern/cycles/blender/blender_session.h

@@ -29,11 +29,12 @@
 
 CCL_NAMESPACE_BEGIN
 
-class BlenderGPUDisplay;
 class BlenderSync;
 class ImageMetaData;
 class Scene;
 class Session;
+class RenderBuffers;
+class RenderTile;
 
 class BlenderSession {
  public:
@@ -61,8 +62,6 @@ class BlenderSession {
   /* offline render */
   void render(BL::Depsgraph &b_depsgraph);
 
-  void render_frame_finish();
-
   void bake(BL::Depsgraph &b_depsgrah,
             BL::Object &b_object,
             const string &pass_type,
@@ -70,29 +69,24 @@ class BlenderSession {
             const int bake_width,
             const int bake_height);
 
-  void write_render_result(BL::RenderLayer &b_rlay);
-  void write_render_tile();
-
-  void update_render_tile();
-
-  void full_buffer_written(string_view filename);
+  void write_render_result(BL::RenderLayer &b_rlay, RenderTile &rtile);
+  void write_render_tile(RenderTile &rtile);
+  void read_render_tile(RenderTile &rtile);
 
   /* update functions are used to update display buffer only after sample was rendered
    * only needed for better visual feedback */
-  void update_render_result(BL::RenderLayer &b_rlay);
-
-  /* read functions for baking input */
-  void read_render_tile();
+  void update_render_result(BL::RenderLayer &b_rlay, RenderTile &rtile);
+  void update_render_tile(RenderTile &rtile, bool highlight);
 
   /* interactive updates */
   void synchronize(BL::Depsgraph &b_depsgraph);
 
   /* drawing */
-  void draw(BL::SpaceImageEditor &space_image);
-  void view_draw(int w, int h);
+  bool draw(int w, int h);
   void tag_redraw();
   void tag_update();
   void get_status(string &status, string &substatus);
+  void get_kernel_status(string &kernel_status);
   void get_progress(float &progress, double &total_time, double &render_time);
   void test_cancel();
   void update_status_progress();
@@ -129,8 +123,6 @@ class BlenderSession {
 
   void *python_thread_state;
 
-  bool use_developer_ui;
-
   /* Global state which is common for all render sessions created from Blender.
    * Usually denotes command line arguments.
    */
@@ -142,28 +134,41 @@ class BlenderSession {
    */
   static bool headless;
 
+  /* ** Resumable render ** */
+
+  /* Overall number of chunks in which the sample range is to be divided. */
+  static int num_resumable_chunks;
+
+  /* Current resumable chunk index to render. */
+  static int current_resumable_chunk;
+
+  /* Alternative to single-chunk rendering to render a range of chunks. */
+  static int start_resumable_chunk;
+  static int end_resumable_chunk;
+
   static bool print_render_stats;
 
  protected:
   void stamp_view_layer_metadata(Scene *scene, const string &view_layer_name);
 
+  void do_write_update_render_result(BL::RenderLayer &b_rlay,
+                                     RenderTile &rtile,
+                                     bool do_update_only);
+  void do_write_update_render_tile(RenderTile &rtile,
+                                   bool do_update_only,
+                                   bool do_read_only,
+                                   bool highlight);
+
   void builtin_images_load();
 
+  /* Update tile manager to reflect resumable render settings. */
+  void update_resumable_tile_manager(int num_samples);
+
   /* Is used after each render layer synchronization is done with the goal
    * of freeing render engine data which is held from Blender side (for
    * example, dependency graph).
    */
   void free_blender_memory_if_possible();
-
-  struct {
-    thread_mutex mutex;
-    int last_pass_index = -1;
-  } draw_state_;
-
-  /* NOTE: The BlenderSession references the GPU display. */
-  BlenderGPUDisplay *gpu_display_ = nullptr;
-
-  vector<string> full_buffer_files_;
 };
 
 CCL_NAMESPACE_END

intern/cycles/blender/blender_shader.cpp

@@ -17,7 +17,6 @@
 #include "render/background.h"
 #include "render/colorspace.h"
 #include "render/graph.h"
-#include "render/integrator.h"
 #include "render/light.h"
 #include "render/nodes.h"
 #include "render/osl.h"
@@ -476,11 +475,17 @@ static ShaderNode *add_node(Scene *scene,
     SubsurfaceScatteringNode *subsurface = graph->create_node<SubsurfaceScatteringNode>();
 
     switch (b_subsurface_node.falloff()) {
-      case BL::ShaderNodeSubsurfaceScattering::falloff_RANDOM_WALK_FIXED_RADIUS:
-        subsurface->set_method(CLOSURE_BSSRDF_RANDOM_WALK_FIXED_RADIUS_ID);
+      case BL::ShaderNodeSubsurfaceScattering::falloff_CUBIC:
+        subsurface->set_falloff(CLOSURE_BSSRDF_CUBIC_ID);
+        break;
+      case BL::ShaderNodeSubsurfaceScattering::falloff_GAUSSIAN:
+        subsurface->set_falloff(CLOSURE_BSSRDF_GAUSSIAN_ID);
+        break;
+      case BL::ShaderNodeSubsurfaceScattering::falloff_BURLEY:
+        subsurface->set_falloff(CLOSURE_BSSRDF_BURLEY_ID);
         break;
       case BL::ShaderNodeSubsurfaceScattering::falloff_RANDOM_WALK:
-        subsurface->set_method(CLOSURE_BSSRDF_RANDOM_WALK_ID);
+        subsurface->set_falloff(CLOSURE_BSSRDF_RANDOM_WALK_ID);
         break;
     }
 
@@ -592,11 +597,11 @@ static ShaderNode *add_node(Scene *scene,
         break;
     }
     switch (b_principled_node.subsurface_method()) {
-      case BL::ShaderNodeBsdfPrincipled::subsurface_method_RANDOM_WALK_FIXED_RADIUS:
-        principled->set_subsurface_method(CLOSURE_BSSRDF_RANDOM_WALK_FIXED_RADIUS_ID);
+      case BL::ShaderNodeBsdfPrincipled::subsurface_method_BURLEY:
+        principled->set_subsurface_method(CLOSURE_BSSRDF_PRINCIPLED_ID);
         break;
       case BL::ShaderNodeBsdfPrincipled::subsurface_method_RANDOM_WALK:
-        principled->set_subsurface_method(CLOSURE_BSSRDF_RANDOM_WALK_ID);
+        principled->set_subsurface_method(CLOSURE_BSSRDF_PRINCIPLED_RANDOM_WALK_ID);
         break;
     }
     node = principled;
@@ -1355,11 +1360,10 @@ void BlenderSync::sync_materials(BL::Depsgraph &b_depsgraph, bool update_all)
 void BlenderSync::sync_world(BL::Depsgraph &b_depsgraph, BL::SpaceView3D &b_v3d, bool update_all)
 {
   Background *background = scene->background;
-  Integrator *integrator = scene->integrator;
 
   BL::World b_world = b_scene.world();
 
-  BlenderViewportParameters new_viewport_parameters(b_v3d, use_developer_ui);
+  BlenderViewportParameters new_viewport_parameters(b_v3d);
 
   if (world_recalc || update_all || b_world.ptr.data != world_map ||
       viewport_parameters.shader_modified(new_viewport_parameters)) {
@@ -1451,8 +1455,9 @@ void BlenderSync::sync_world(BL::Depsgraph &b_depsgraph, BL::SpaceView3D &b_v3d,
       /* AO */
       BL::WorldLighting b_light = b_world.light_settings();
 
-      integrator->set_ao_factor(b_light.ao_factor());
-      integrator->set_ao_distance(b_light.distance());
+      background->set_use_ao(b_light.use_ambient_occlusion());
+      background->set_ao_factor(b_light.ao_factor());
+      background->set_ao_distance(b_light.distance());
 
       /* visibility */
       PointerRNA cvisibility = RNA_pointer_get(&b_world.ptr, "cycles_visibility");
@@ -1467,8 +1472,9 @@ void BlenderSync::sync_world(BL::Depsgraph &b_depsgraph, BL::SpaceView3D &b_v3d,
       background->set_visibility(visibility);
     }
     else {
-      integrator->set_ao_factor(1.0f);
-      integrator->set_ao_distance(10.0f);
+      background->set_use_ao(false);
+      background->set_ao_factor(0.0f);
+      background->set_ao_distance(FLT_MAX);
     }
 
     shader->set_graph(graph);
@@ -1490,6 +1496,7 @@ void BlenderSync::sync_world(BL::Depsgraph &b_depsgraph, BL::SpaceView3D &b_v3d,
 
   background->set_use_shader(view_layer.use_background_shader ||
                              viewport_parameters.use_custom_shader());
+  background->set_use_ao(background->get_use_ao() && view_layer.use_background_ao);
 
   background->tag_update(scene);
 }

intern/cycles/blender/blender_sync.cpp

@@ -53,7 +53,6 @@ BlenderSync::BlenderSync(BL::RenderEngine &b_engine,
                          BL::Scene &b_scene,
                          Scene *scene,
                          bool preview,
-                         bool use_developer_ui,
                          Progress &progress)
     : b_engine(b_engine),
       b_data(b_data),
@@ -69,7 +68,6 @@ BlenderSync::BlenderSync(BL::RenderEngine &b_engine,
       scene(scene),
       preview(preview),
       experimental(false),
-      use_developer_ui(use_developer_ui),
       dicing_rate(1.0f),
       max_subdivisions(12),
       progress(progress),
@@ -226,7 +224,7 @@ void BlenderSync::sync_recalc(BL::Depsgraph &b_depsgraph, BL::SpaceView3D &b_v3d
   }
 
   if (b_v3d) {
-    BlenderViewportParameters new_viewport_parameters(b_v3d, use_developer_ui);
+    BlenderViewportParameters new_viewport_parameters(b_v3d);
 
     if (viewport_parameters.shader_modified(new_viewport_parameters)) {
       world_recalc = true;
@@ -253,13 +251,9 @@ void BlenderSync::sync_data(BL::RenderSettings &b_render,
 
   BL::ViewLayer b_view_layer = b_depsgraph.view_layer_eval();
 
-  /* TODO(sergey): This feels weak to pass view layer to the integrator, and even weaker to have an
-   * implicit check on whether it is a background render or not. What is the nicer thing here? */
-  const bool background = !b_v3d;
-
   sync_view_layer(b_view_layer);
-  sync_integrator(b_view_layer, background);
-  sync_film(b_view_layer, b_v3d);
+  sync_integrator();
+  sync_film(b_v3d);
   sync_shaders(b_depsgraph, b_v3d);
   sync_images();
 
@@ -286,7 +280,7 @@ void BlenderSync::sync_data(BL::RenderSettings &b_render,
 
 /* Integrator */
 
-void BlenderSync::sync_integrator(BL::ViewLayer &b_view_layer, bool background)
+void BlenderSync::sync_integrator()
 {
   PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
 
@@ -334,24 +328,59 @@ void BlenderSync::sync_integrator(BL::ViewLayer &b_view_layer, bool background)
     integrator->set_motion_blur(view_layer.use_motion_blur);
   }
 
+  integrator->set_method((Integrator::Method)get_enum(
+      cscene, "progressive", Integrator::NUM_METHODS, Integrator::PATH));
+
+  integrator->set_sample_all_lights_direct(get_boolean(cscene, "sample_all_lights_direct"));
+  integrator->set_sample_all_lights_indirect(get_boolean(cscene, "sample_all_lights_indirect"));
   integrator->set_light_sampling_threshold(get_float(cscene, "light_sampling_threshold"));
 
   SamplingPattern sampling_pattern = (SamplingPattern)get_enum(
       cscene, "sampling_pattern", SAMPLING_NUM_PATTERNS, SAMPLING_PATTERN_SOBOL);
-  integrator->set_sampling_pattern(sampling_pattern);
 
-  if (preview) {
-    integrator->set_use_adaptive_sampling(
-        RNA_boolean_get(&cscene, "use_preview_adaptive_sampling"));
-    integrator->set_adaptive_threshold(get_float(cscene, "preview_adaptive_threshold"));
-    integrator->set_adaptive_min_samples(get_int(cscene, "preview_adaptive_min_samples"));
+  int adaptive_min_samples = INT_MAX;
+
+  if (RNA_boolean_get(&cscene, "use_adaptive_sampling")) {
+    sampling_pattern = SAMPLING_PATTERN_PMJ;
+    adaptive_min_samples = get_int(cscene, "adaptive_min_samples");
+    integrator->set_adaptive_threshold(get_float(cscene, "adaptive_threshold"));
   }
   else {
-    integrator->set_use_adaptive_sampling(RNA_boolean_get(&cscene, "use_adaptive_sampling"));
-    integrator->set_adaptive_threshold(get_float(cscene, "adaptive_threshold"));
-    integrator->set_adaptive_min_samples(get_int(cscene, "adaptive_min_samples"));
+    integrator->set_adaptive_threshold(0.0f);
   }
 
+  integrator->set_sampling_pattern(sampling_pattern);
+
+  int diffuse_samples = get_int(cscene, "diffuse_samples");
+  int glossy_samples = get_int(cscene, "glossy_samples");
+  int transmission_samples = get_int(cscene, "transmission_samples");
+  int ao_samples = get_int(cscene, "ao_samples");
+  int mesh_light_samples = get_int(cscene, "mesh_light_samples");
+  int subsurface_samples = get_int(cscene, "subsurface_samples");
+  int volume_samples = get_int(cscene, "volume_samples");
+
+  if (get_boolean(cscene, "use_square_samples")) {
+    integrator->set_diffuse_samples(diffuse_samples * diffuse_samples);
+    integrator->set_glossy_samples(glossy_samples * glossy_samples);
+    integrator->set_transmission_samples(transmission_samples * transmission_samples);
+    integrator->set_ao_samples(ao_samples * ao_samples);
+    integrator->set_mesh_light_samples(mesh_light_samples * mesh_light_samples);
+    integrator->set_subsurface_samples(subsurface_samples * subsurface_samples);
+    integrator->set_volume_samples(volume_samples * volume_samples);
+    adaptive_min_samples = min(adaptive_min_samples * adaptive_min_samples, INT_MAX);
+  }
+  else {
+    integrator->set_diffuse_samples(diffuse_samples);
+    integrator->set_glossy_samples(glossy_samples);
+    integrator->set_transmission_samples(transmission_samples);
+    integrator->set_ao_samples(ao_samples);
+    integrator->set_mesh_light_samples(mesh_light_samples);
+    integrator->set_subsurface_samples(subsurface_samples);
+    integrator->set_volume_samples(volume_samples);
+  }
+
+  integrator->set_adaptive_min_samples(adaptive_min_samples);
+
   if (get_boolean(cscene, "use_fast_gi")) {
     if (preview) {
       integrator->set_ao_bounces(get_int(cscene, "ao_bounces"));
@@ -364,38 +393,20 @@ void BlenderSync::sync_integrator(BL::ViewLayer &b_view_layer, bool background)
     integrator->set_ao_bounces(0);
   }
 
-  const DenoiseParams denoise_params = get_denoise_params(b_scene, b_view_layer, background);
-  integrator->set_use_denoise(denoise_params.use);
-
-  /* Only update denoiser parameters if the denoiser is actually used. This allows to tweak
-   * denoiser parameters before enabling it without render resetting on every change. The downside
-   * is that the interface and the integrator are technically out of sync. */
-  if (denoise_params.use) {
-    integrator->set_denoiser_type(denoise_params.type);
-    integrator->set_denoise_start_sample(denoise_params.start_sample);
-    integrator->set_use_denoise_pass_albedo(denoise_params.use_pass_albedo);
-    integrator->set_use_denoise_pass_normal(denoise_params.use_pass_normal);
-    integrator->set_denoiser_prefilter(denoise_params.prefilter);
-  }
-
-  /* UPDATE_NONE as we don't want to tag the integrator as modified (this was done by the
-   * set calls above), but we need to make sure that the dependent things are tagged. */
+  /* UPDATE_NONE as we don't want to tag the integrator as modified, just tag dependent things */
   integrator->tag_update(scene, Integrator::UPDATE_NONE);
 }
 
 /* Film */
 
-void BlenderSync::sync_film(BL::ViewLayer &b_view_layer, BL::SpaceView3D &b_v3d)
+void BlenderSync::sync_film(BL::SpaceView3D &b_v3d)
 {
   PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
-  PointerRNA crl = RNA_pointer_get(&b_view_layer.ptr, "cycles");
 
   Film *film = scene->film;
 
   if (b_v3d) {
-    const BlenderViewportParameters new_viewport_parameters(b_v3d, use_developer_ui);
-    film->set_display_pass(new_viewport_parameters.display_pass);
-    film->set_show_active_pixels(new_viewport_parameters.show_active_pixels);
+    film->set_display_pass(update_viewport_display_passes(b_v3d, scene->passes));
   }
 
   film->set_exposure(get_float(cscene, "film_exposure"));
@@ -423,15 +434,6 @@ void BlenderSync::sync_film(BL::ViewLayer &b_view_layer, BL::SpaceView3D &b_v3d)
         break;
     }
   }
-
-  /* Blender viewport does not support proper shadow catcher compositing, so force an approximate
-   * mode to improve visual feedback. */
-  if (b_v3d) {
-    film->set_use_approximate_shadow_catcher(true);
-  }
-  else {
-    film->set_use_approximate_shadow_catcher(!get_boolean(crl, "use_pass_shadow_catcher"));
-  }
 }
 
 /* Render Layer */
@@ -442,6 +444,7 @@ void BlenderSync::sync_view_layer(BL::ViewLayer &b_view_layer)
 
   /* Filter. */
   view_layer.use_background_shader = b_view_layer.use_sky();
+  view_layer.use_background_ao = b_view_layer.use_ao();
   /* Always enable surfaces for baking, otherwise there is nothing to bake to. */
   view_layer.use_surfaces = b_view_layer.use_solid() || scene->bake_manager->get_baking();
   view_layer.use_hair = b_view_layer.use_strand();
@@ -461,7 +464,10 @@ void BlenderSync::sync_view_layer(BL::ViewLayer &b_view_layer)
 
   if (use_layer_samples != 2) {
     int samples = b_view_layer.samples();
-    view_layer.samples = samples;
+    if (get_boolean(cscene, "use_square_samples"))
+      view_layer.samples = samples * samples;
+    else
+      view_layer.samples = samples;
   }
 }
 
@@ -493,8 +499,7 @@ void BlenderSync::sync_images()
 }
 
 /* Passes */
-
-static PassType get_blender_pass_type(BL::RenderPass &b_pass)
+PassType BlenderSync::get_pass_type(BL::RenderPass &b_pass)
 {
   string name = b_pass.name();
 #define MAP_PASS(passname, passtype) \
@@ -502,15 +507,10 @@ static PassType get_blender_pass_type(BL::RenderPass &b_pass)
     return passtype; \
   } \
   ((void)0)
-
   /* NOTE: Keep in sync with defined names from DNA_scene_types.h */
-
   MAP_PASS("Combined", PASS_COMBINED);
-  MAP_PASS("Noisy Image", PASS_COMBINED);
-
   MAP_PASS("Depth", PASS_DEPTH);
   MAP_PASS("Mist", PASS_MIST);
-  MAP_PASS("Position", PASS_POSITION);
   MAP_PASS("Normal", PASS_NORMAL);
   MAP_PASS("IndexOB", PASS_OBJECT_ID);
   MAP_PASS("UV", PASS_UV);
@@ -539,92 +539,118 @@ static PassType get_blender_pass_type(BL::RenderPass &b_pass)
   MAP_PASS("BakePrimitive", PASS_BAKE_PRIMITIVE);
   MAP_PASS("BakeDifferential", PASS_BAKE_DIFFERENTIAL);
 
-  MAP_PASS("Denoising Normal", PASS_DENOISING_NORMAL);
-  MAP_PASS("Denoising Albedo", PASS_DENOISING_ALBEDO);
-
-  MAP_PASS("Shadow Catcher", PASS_SHADOW_CATCHER);
-  MAP_PASS("Noisy Shadow Catcher", PASS_SHADOW_CATCHER);
-
   MAP_PASS("Debug Render Time", PASS_RENDER_TIME);
-
   MAP_PASS("AdaptiveAuxBuffer", PASS_ADAPTIVE_AUX_BUFFER);
   MAP_PASS("Debug Sample Count", PASS_SAMPLE_COUNT);
-
   if (string_startswith(name, cryptomatte_prefix)) {
     return PASS_CRYPTOMATTE;
   }
-
 #undef MAP_PASS
 
   return PASS_NONE;
 }
 
-static Pass *pass_add(Scene *scene,
-                      PassType type,
-                      const char *name,
-                      PassMode mode = PassMode::DENOISED)
+int BlenderSync::get_denoising_pass(BL::RenderPass &b_pass)
 {
-  Pass *pass = scene->create_node<Pass>();
+  string name = b_pass.name();
 
-  pass->set_type(type);
-  pass->set_name(ustring(name));
-  pass->set_mode(mode);
+  if (name == "Noisy Image")
+    return DENOISING_PASS_PREFILTERED_COLOR;
 
-  return pass;
+  if (name.substr(0, 10) != "Denoising ") {
+    return -1;
+  }
+  name = name.substr(10);
+
+#define MAP_PASS(passname, offset) \
+  if (name == passname) { \
+    return offset; \
+  } \
+  ((void)0)
+  MAP_PASS("Normal", DENOISING_PASS_PREFILTERED_NORMAL);
+  MAP_PASS("Albedo", DENOISING_PASS_PREFILTERED_ALBEDO);
+  MAP_PASS("Depth", DENOISING_PASS_PREFILTERED_DEPTH);
+  MAP_PASS("Shadowing", DENOISING_PASS_PREFILTERED_SHADOWING);
+  MAP_PASS("Variance", DENOISING_PASS_PREFILTERED_VARIANCE);
+  MAP_PASS("Intensity", DENOISING_PASS_PREFILTERED_INTENSITY);
+  MAP_PASS("Clean", DENOISING_PASS_CLEAN);
+#undef MAP_PASS
+
+  return -1;
 }
 
-void BlenderSync::sync_render_passes(BL::RenderLayer &b_rlay, BL::ViewLayer &b_view_layer)
+vector<Pass> BlenderSync::sync_render_passes(BL::Scene &b_scene,
+                                             BL::RenderLayer &b_rlay,
+                                             BL::ViewLayer &b_view_layer,
+                                             bool adaptive_sampling,
+                                             const DenoiseParams &denoising)
 {
-  PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
+  vector<Pass> passes;
 
-  /* Delete all existing passes. */
-  set<Pass *> clear_passes(scene->passes.begin(), scene->passes.end());
-  scene->delete_nodes(clear_passes);
-
-  /* Always add combined pass. */
-  pass_add(scene, PASS_COMBINED, "Combined");
-
-  /* Blender built-in data and light passes. */
+  /* loop over passes */
   for (BL::RenderPass &b_pass : b_rlay.passes) {
-    const PassType pass_type = get_blender_pass_type(b_pass);
-
-    if (pass_type == PASS_NONE) {
-      LOG(ERROR) << "Unknown pass " << b_pass.name();
-      continue;
-    }
+    PassType pass_type = get_pass_type(b_pass);
 
     if (pass_type == PASS_MOTION &&
         (b_view_layer.use_motion_blur() && b_scene.render().use_motion_blur())) {
       continue;
     }
-
-    pass_add(scene, pass_type, b_pass.name().c_str());
+    if (pass_type != PASS_NONE)
+      Pass::add(pass_type, passes, b_pass.name().c_str());
   }
 
   PointerRNA crl = RNA_pointer_get(&b_view_layer.ptr, "cycles");
 
-  /* Debug passes. */
+  int denoising_flags = 0;
+  if (denoising.use || denoising.store_passes) {
+    if (denoising.type == DENOISER_NLM) {
+#define MAP_OPTION(name, flag) \
+  if (!get_boolean(crl, name)) { \
+    denoising_flags |= flag; \
+  } \
+  ((void)0)
+      MAP_OPTION("denoising_diffuse_direct", DENOISING_CLEAN_DIFFUSE_DIR);
+      MAP_OPTION("denoising_diffuse_indirect", DENOISING_CLEAN_DIFFUSE_IND);
+      MAP_OPTION("denoising_glossy_direct", DENOISING_CLEAN_GLOSSY_DIR);
+      MAP_OPTION("denoising_glossy_indirect", DENOISING_CLEAN_GLOSSY_IND);
+      MAP_OPTION("denoising_transmission_direct", DENOISING_CLEAN_TRANSMISSION_DIR);
+      MAP_OPTION("denoising_transmission_indirect", DENOISING_CLEAN_TRANSMISSION_IND);
+#undef MAP_OPTION
+    }
+    b_engine.add_pass("Noisy Image", 4, "RGBA", b_view_layer.name().c_str());
+  }
+  scene->film->set_denoising_flags(denoising_flags);
+
+  if (denoising.store_passes) {
+    b_engine.add_pass("Denoising Normal", 3, "XYZ", b_view_layer.name().c_str());
+    b_engine.add_pass("Denoising Albedo", 3, "RGB", b_view_layer.name().c_str());
+    b_engine.add_pass("Denoising Depth", 1, "Z", b_view_layer.name().c_str());
+    if (denoising.type == DENOISER_NLM) {
+      b_engine.add_pass("Denoising Shadowing", 1, "X", b_view_layer.name().c_str());
+      b_engine.add_pass("Denoising Variance", 3, "RGB", b_view_layer.name().c_str());
+      b_engine.add_pass("Denoising Intensity", 1, "X", b_view_layer.name().c_str());
+    }
+
+    if (scene->film->get_denoising_flags() & DENOISING_CLEAN_ALL_PASSES) {
+      b_engine.add_pass("Denoising Clean", 3, "RGB", b_view_layer.name().c_str());
+    }
+  }
+
   if (get_boolean(crl, "pass_debug_render_time")) {
     b_engine.add_pass("Debug Render Time", 1, "X", b_view_layer.name().c_str());
-    pass_add(scene, PASS_RENDER_TIME, "Debug Render Time");
+    Pass::add(PASS_RENDER_TIME, passes, "Debug Render Time");
   }
   if (get_boolean(crl, "pass_debug_sample_count")) {
     b_engine.add_pass("Debug Sample Count", 1, "X", b_view_layer.name().c_str());
-    pass_add(scene, PASS_SAMPLE_COUNT, "Debug Sample Count");
+    Pass::add(PASS_SAMPLE_COUNT, passes, "Debug Sample Count");
   }
-
-  /* Cycles specific passes. */
   if (get_boolean(crl, "use_pass_volume_direct")) {
     b_engine.add_pass("VolumeDir", 3, "RGB", b_view_layer.name().c_str());
-    pass_add(scene, PASS_VOLUME_DIRECT, "VolumeDir");
+    Pass::add(PASS_VOLUME_DIRECT, passes, "VolumeDir");
   }
   if (get_boolean(crl, "use_pass_volume_indirect")) {
     b_engine.add_pass("VolumeInd", 3, "RGB", b_view_layer.name().c_str());
-    pass_add(scene, PASS_VOLUME_INDIRECT, "VolumeInd");
-  }
-  if (get_boolean(crl, "use_pass_shadow_catcher")) {
-    b_engine.add_pass("Shadow Catcher", 3, "RGB", b_view_layer.name().c_str());
-    pass_add(scene, PASS_SHADOW_CATCHER, "Shadow Catcher");
+    Pass::add(PASS_VOLUME_INDIRECT, passes, "VolumeInd");
   }
 
   /* Cryptomatte stores two ID/weight pairs per RGBA layer.
@@ -636,7 +662,7 @@ void BlenderSync::sync_render_passes(BL::RenderLayer &b_rlay, BL::ViewLayer &b_v
     for (int i = 0; i < crypto_depth; i++) {
       string passname = cryptomatte_prefix + string_printf("Object%02d", i);
       b_engine.add_pass(passname.c_str(), 4, "RGBA", b_view_layer.name().c_str());
-      pass_add(scene, PASS_CRYPTOMATTE, passname.c_str());
+      Pass::add(PASS_CRYPTOMATTE, passes, passname.c_str());
     }
     cryptomatte_passes = (CryptomatteType)(cryptomatte_passes | CRYPT_OBJECT);
   }
@@ -644,7 +670,7 @@ void BlenderSync::sync_render_passes(BL::RenderLayer &b_rlay, BL::ViewLayer &b_v
     for (int i = 0; i < crypto_depth; i++) {
       string passname = cryptomatte_prefix + string_printf("Material%02d", i);
       b_engine.add_pass(passname.c_str(), 4, "RGBA", b_view_layer.name().c_str());
-      pass_add(scene, PASS_CRYPTOMATTE, passname.c_str());
+      Pass::add(PASS_CRYPTOMATTE, passes, passname.c_str());
     }
     cryptomatte_passes = (CryptomatteType)(cryptomatte_passes | CRYPT_MATERIAL);
   }
@@ -652,33 +678,22 @@ void BlenderSync::sync_render_passes(BL::RenderLayer &b_rlay, BL::ViewLayer &b_v
     for (int i = 0; i < crypto_depth; i++) {
       string passname = cryptomatte_prefix + string_printf("Asset%02d", i);
       b_engine.add_pass(passname.c_str(), 4, "RGBA", b_view_layer.name().c_str());
-      pass_add(scene, PASS_CRYPTOMATTE, passname.c_str());
+      Pass::add(PASS_CRYPTOMATTE, passes, passname.c_str());
     }
     cryptomatte_passes = (CryptomatteType)(cryptomatte_passes | CRYPT_ASSET);
   }
+  if (b_view_layer.use_pass_cryptomatte_accurate() && cryptomatte_passes != CRYPT_NONE) {
+    cryptomatte_passes = (CryptomatteType)(cryptomatte_passes | CRYPT_ACCURATE);
+  }
   scene->film->set_cryptomatte_passes(cryptomatte_passes);
 
-  /* Denoising passes. */
-  const bool use_denoising = get_boolean(cscene, "use_denoising") &&
-                             get_boolean(crl, "use_denoising");
-  const bool store_denoising_passes = get_boolean(crl, "denoising_store_passes");
-  if (use_denoising) {
-    b_engine.add_pass("Noisy Image", 4, "RGBA", b_view_layer.name().c_str());
-    pass_add(scene, PASS_COMBINED, "Noisy Image", PassMode::NOISY);
-    if (get_boolean(crl, "use_pass_shadow_catcher")) {
-      b_engine.add_pass("Noisy Shadow Catcher", 3, "RGB", b_view_layer.name().c_str());
-      pass_add(scene, PASS_SHADOW_CATCHER, "Noisy Shadow Catcher", PassMode::NOISY);
+  if (adaptive_sampling) {
+    Pass::add(PASS_ADAPTIVE_AUX_BUFFER, passes);
+    if (!get_boolean(crl, "pass_debug_sample_count")) {
+      Pass::add(PASS_SAMPLE_COUNT, passes);
     }
   }
-  if (store_denoising_passes) {
-    b_engine.add_pass("Denoising Normal", 3, "XYZ", b_view_layer.name().c_str());
-    pass_add(scene, PASS_DENOISING_NORMAL, "Denoising Normal", PassMode::NOISY);
 
-    b_engine.add_pass("Denoising Albedo", 3, "RGB", b_view_layer.name().c_str());
-    pass_add(scene, PASS_DENOISING_ALBEDO, "Denoising Albedo", PassMode::NOISY);
-  }
-
-  /* Custom AOV passes. */
   BL::ViewLayer::aovs_iterator b_aov_iter;
   for (b_view_layer.aovs.begin(b_aov_iter); b_aov_iter != b_view_layer.aovs.end(); ++b_aov_iter) {
     BL::AOV b_aov(*b_aov_iter);
@@ -691,15 +706,28 @@ void BlenderSync::sync_render_passes(BL::RenderLayer &b_rlay, BL::ViewLayer &b_v
 
     if (is_color) {
       b_engine.add_pass(name.c_str(), 4, "RGBA", b_view_layer.name().c_str());
-      pass_add(scene, PASS_AOV_COLOR, name.c_str());
+      Pass::add(PASS_AOV_COLOR, passes, name.c_str());
     }
     else {
       b_engine.add_pass(name.c_str(), 1, "X", b_view_layer.name().c_str());
-      pass_add(scene, PASS_AOV_VALUE, name.c_str());
+      Pass::add(PASS_AOV_VALUE, passes, name.c_str());
     }
   }
 
+  scene->film->set_denoising_data_pass(denoising.use || denoising.store_passes);
+  scene->film->set_denoising_clean_pass(scene->film->get_denoising_flags() &
+                                        DENOISING_CLEAN_ALL_PASSES);
+  scene->film->set_denoising_prefiltered_pass(denoising.store_passes &&
+                                              denoising.type == DENOISER_NLM);
   scene->film->set_pass_alpha_threshold(b_view_layer.pass_alpha_threshold());
+
+  if (!Pass::equals(passes, scene->passes)) {
+    scene->film->tag_passes_update(scene, passes);
+    scene->film->tag_modified();
+    scene->integrator->tag_update(scene, Integrator::UPDATE_ALL);
+  }
+
+  return passes;
 }
 
 void BlenderSync::free_data_after_sync(BL::Depsgraph &b_depsgraph)
@@ -745,9 +773,9 @@ SceneParams BlenderSync::get_scene_params(BL::Scene &b_scene, bool background)
     params.shadingsystem = SHADINGSYSTEM_OSL;
 
   if (background || DebugFlags().viewport_static_bvh)
-    params.bvh_type = BVH_TYPE_STATIC;
+    params.bvh_type = SceneParams::BVH_STATIC;
   else
-    params.bvh_type = BVH_TYPE_DYNAMIC;
+    params.bvh_type = SceneParams::BVH_DYNAMIC;
 
   params.use_bvh_spatial_split = RNA_boolean_get(&cscene, "debug_use_spatial_splits");
   params.use_bvh_unaligned_nodes = RNA_boolean_get(&cscene, "debug_use_hair_bvh");
@@ -790,7 +818,8 @@ bool BlenderSync::get_session_pause(BL::Scene &b_scene, bool background)
 SessionParams BlenderSync::get_session_params(BL::RenderEngine &b_engine,
                                               BL::Preferences &b_preferences,
                                               BL::Scene &b_scene,
-                                              bool background)
+                                              bool background,
+                                              BL::ViewLayer b_view_layer)
 {
   SessionParams params;
   PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
@@ -798,8 +827,7 @@ SessionParams BlenderSync::get_session_params(BL::RenderEngine &b_engine,
   /* feature set */
   params.experimental = (get_enum(cscene, "feature_set") != 0);
 
-  /* Headless and background rendering. */
-  params.headless = BlenderSession::headless;
+  /* Background */
   params.background = background;
 
   /* Device */
@@ -808,26 +836,111 @@ SessionParams BlenderSync::get_session_params(BL::RenderEngine &b_engine,
 
   /* samples */
   int samples = get_int(cscene, "samples");
+  int aa_samples = get_int(cscene, "aa_samples");
   int preview_samples = get_int(cscene, "preview_samples");
+  int preview_aa_samples = get_int(cscene, "preview_aa_samples");
 
-  if (background) {
-    params.samples = samples;
+  if (get_boolean(cscene, "use_square_samples")) {
+    aa_samples = aa_samples * aa_samples;
+    preview_aa_samples = preview_aa_samples * preview_aa_samples;
+
+    samples = samples * samples;
+    preview_samples = preview_samples * preview_samples;
+  }
+
+  if (get_enum(cscene, "progressive") == 0 && params.device.has_branched_path) {
+    if (background) {
+      params.samples = aa_samples;
+    }
+    else {
+      params.samples = preview_aa_samples;
+      if (params.samples == 0)
+        params.samples = INT_MAX;
+    }
   }
   else {
-    params.samples = preview_samples;
-    if (params.samples == 0)
-      params.samples = INT_MAX;
+    if (background) {
+      params.samples = samples;
+    }
+    else {
+      params.samples = preview_samples;
+      if (params.samples == 0)
+        params.samples = INT_MAX;
+    }
   }
 
   /* Clamp samples. */
   params.samples = min(params.samples, Integrator::MAX_SAMPLES);
 
+  /* Adaptive sampling. */
+  params.adaptive_sampling = RNA_boolean_get(&cscene, "use_adaptive_sampling");
+
+  /* tiles */
+  const bool is_cpu = (params.device.type == DEVICE_CPU);
+  if (!is_cpu && !background) {
+    /* currently GPU could be much slower than CPU when using tiles,
+     * still need to be investigated, but meanwhile make it possible
+     * to work in viewport smoothly
+     */
+    int debug_tile_size = get_int(cscene, "debug_tile_size");
+
+    params.tile_size = make_int2(debug_tile_size, debug_tile_size);
+  }
+  else {
+    int tile_x = b_engine.tile_x();
+    int tile_y = b_engine.tile_y();
+
+    params.tile_size = make_int2(tile_x, tile_y);
+  }
+
+  if ((BlenderSession::headless == false) && background) {
+    params.tile_order = (TileOrder)get_enum(cscene, "tile_order");
+  }
+  else {
+    params.tile_order = TILE_BOTTOM_TO_TOP;
+  }
+
+  /* Denoising */
+  params.denoising = get_denoise_params(b_scene, b_view_layer, background);
+
+  if (params.denoising.use) {
+    /* Add additional denoising devices if we are rendering and denoising
+     * with different devices. */
+    params.device.add_denoising_devices(params.denoising.type);
+
+    /* Check if denoiser is supported by device. */
+    if (!(params.device.denoisers & params.denoising.type)) {
+      params.denoising.use = false;
+    }
+  }
+
   /* Viewport Performance */
+  params.start_resolution = get_int(cscene, "preview_start_resolution");
   params.pixel_size = b_engine.get_preview_pixel_size(b_scene);
 
+  /* other parameters */
+  params.cancel_timeout = (double)get_float(cscene, "debug_cancel_timeout");
+  params.reset_timeout = (double)get_float(cscene, "debug_reset_timeout");
+  params.text_timeout = (double)get_float(cscene, "debug_text_timeout");
+
+  /* progressive refine */
+  BL::RenderSettings b_r = b_scene.render();
+  params.progressive_refine = b_engine.is_preview() ||
+                              get_boolean(cscene, "use_progressive_refine");
+  if (b_r.use_save_buffers() || params.adaptive_sampling)
+    params.progressive_refine = false;
+
   if (background) {
+    if (params.progressive_refine)
+      params.progressive = true;
+    else
+      params.progressive = false;
+
+    params.start_resolution = INT_MAX;
     params.pixel_size = 1;
   }
+  else
+    params.progressive = true;
 
   /* shading system - scene level needs full refresh */
   const bool shadingsystem = RNA_boolean_get(&cscene, "shading_system");
@@ -837,30 +950,19 @@ SessionParams BlenderSync::get_session_params(BL::RenderEngine &b_engine,
   else if (shadingsystem == 1)
     params.shadingsystem = SHADINGSYSTEM_OSL;
 
-  /* Time limit. */
-  if (background) {
-    params.time_limit = get_float(cscene, "time_limit");
-  }
-  else {
-    /* For the viewport it kind of makes more sense to think in terms of the noise floor, which is
-     * usually higher than acceptable level for the final frame. */
-    /* TODO: It might be useful to support time limit in the viewport as well, but needs some
-     * extra thoughts and input. */
-    params.time_limit = 0.0;
+  /* Color management. */
+  params.display_buffer_linear = b_engine.support_display_space_shader(b_scene);
+
+  if (b_engine.is_preview()) {
+    /* For preview rendering we're using same timeout as
+     * blender's job update.
+     */
+    params.progressive_update_timeout = 0.1;
   }
 
-  /* Profiling. */
   params.use_profiling = params.device.has_profiling && !b_engine.is_preview() && background &&
                          BlenderSession::print_render_stats;
 
-  if (background) {
-    params.use_auto_tile = RNA_boolean_get(&cscene, "use_auto_tile");
-    params.tile_size = max(get_int(cscene, "tile_size"), 8);
-  }
-  else {
-    params.use_auto_tile = false;
-  }
-
   return params;
 }
 
@@ -868,34 +970,33 @@ DenoiseParams BlenderSync::get_denoise_params(BL::Scene &b_scene,
                                               BL::ViewLayer &b_view_layer,
                                               bool background)
 {
-  enum DenoiserInput {
-    DENOISER_INPUT_RGB = 1,
-    DENOISER_INPUT_RGB_ALBEDO = 2,
-    DENOISER_INPUT_RGB_ALBEDO_NORMAL = 3,
-
-    DENOISER_INPUT_NUM,
-  };
-
   DenoiseParams denoising;
   PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
 
-  int input_passes = -1;
-
   if (background) {
     /* Final Render Denoising */
     denoising.use = get_boolean(cscene, "use_denoising");
     denoising.type = (DenoiserType)get_enum(cscene, "denoiser", DENOISER_NUM, DENOISER_NONE);
-    denoising.prefilter = (DenoiserPrefilter)get_enum(
-        cscene, "denoising_prefilter", DENOISER_PREFILTER_NUM, DENOISER_PREFILTER_NONE);
-
-    input_passes = (DenoiserInput)get_enum(
-        cscene, "denoising_input_passes", DENOISER_INPUT_NUM, DENOISER_INPUT_RGB_ALBEDO_NORMAL);
 
     if (b_view_layer) {
       PointerRNA clayer = RNA_pointer_get(&b_view_layer.ptr, "cycles");
       if (!get_boolean(clayer, "use_denoising")) {
         denoising.use = false;
       }
+
+      denoising.radius = get_int(clayer, "denoising_radius");
+      denoising.strength = get_float(clayer, "denoising_strength");
+      denoising.feature_strength = get_float(clayer, "denoising_feature_strength");
+      denoising.relative_pca = get_boolean(clayer, "denoising_relative_pca");
+
+      denoising.input_passes = (DenoiserInput)get_enum(
+          clayer,
+          (denoising.type == DENOISER_OPTIX) ? "denoising_optix_input_passes" :
+                                               "denoising_openimagedenoise_input_passes",
+          DENOISER_INPUT_NUM,
+          DENOISER_INPUT_RGB_ALBEDO_NORMAL);
+
+      denoising.store_passes = get_boolean(clayer, "denoising_store_passes");
     }
   }
   else {
@@ -903,12 +1004,10 @@ DenoiseParams BlenderSync::get_denoise_params(BL::Scene &b_scene,
     denoising.use = get_boolean(cscene, "use_preview_denoising");
     denoising.type = (DenoiserType)get_enum(
         cscene, "preview_denoiser", DENOISER_NUM, DENOISER_NONE);
-    denoising.prefilter = (DenoiserPrefilter)get_enum(
-        cscene, "preview_denoising_prefilter", DENOISER_PREFILTER_NUM, DENOISER_PREFILTER_FAST);
     denoising.start_sample = get_int(cscene, "preview_denoising_start_sample");
 
-    input_passes = (DenoiserInput)get_enum(
-        cscene, "preview_denoising_input_passes", DENOISER_INPUT_NUM, DENOISER_INPUT_RGB_ALBEDO);
+    denoising.input_passes = (DenoiserInput)get_enum(
+        cscene, "preview_denoising_input_passes", DENOISER_INPUT_NUM, (int)denoising.input_passes);
 
     /* Auto select fastest denoiser. */
     if (denoising.type == DENOISER_NONE) {
@@ -924,27 +1023,6 @@ DenoiseParams BlenderSync::get_denoise_params(BL::Scene &b_scene,
     }
   }
 
-  switch (input_passes) {
-    case DENOISER_INPUT_RGB:
-      denoising.use_pass_albedo = false;
-      denoising.use_pass_normal = false;
-      break;
-
-    case DENOISER_INPUT_RGB_ALBEDO:
-      denoising.use_pass_albedo = true;
-      denoising.use_pass_normal = false;
-      break;
-
-    case DENOISER_INPUT_RGB_ALBEDO_NORMAL:
-      denoising.use_pass_albedo = true;
-      denoising.use_pass_normal = true;
-      break;
-
-    default:
-      LOG(ERROR) << "Unhandled input passes enum " << input_passes;
-      break;
-  }
-
   return denoising;
 }
 

intern/cycles/blender/blender_sync.h

@@ -23,7 +23,6 @@
 #include "RNA_types.h"
 
 #include "blender/blender_id_map.h"
-#include "blender/blender_util.h"
 #include "blender/blender_viewport.h"
 
 #include "render/scene.h"
@@ -60,7 +59,6 @@ class BlenderSync {
               BL::Scene &b_scene,
               Scene *scene,
               bool preview,
-              bool use_developer_ui,
               Progress &progress);
   ~BlenderSync();
 
@@ -76,8 +74,12 @@ class BlenderSync {
                  int height,
                  void **python_thread_state);
   void sync_view_layer(BL::ViewLayer &b_view_layer);
-  void sync_render_passes(BL::RenderLayer &b_render_layer, BL::ViewLayer &b_view_layer);
-  void sync_integrator(BL::ViewLayer &b_view_layer, bool background);
+  vector<Pass> sync_render_passes(BL::Scene &b_scene,
+                                  BL::RenderLayer &b_render_layer,
+                                  BL::ViewLayer &b_view_layer,
+                                  bool adaptive_sampling,
+                                  const DenoiseParams &denoising);
+  void sync_integrator();
   void sync_camera(BL::RenderSettings &b_render,
                    BL::Object &b_override,
                    int width,
@@ -95,13 +97,22 @@ class BlenderSync {
 
   /* get parameters */
   static SceneParams get_scene_params(BL::Scene &b_scene, bool background);
-  static SessionParams get_session_params(BL::RenderEngine &b_engine,
-                                          BL::Preferences &b_userpref,
-                                          BL::Scene &b_scene,
-                                          bool background);
+  static SessionParams get_session_params(
+      BL::RenderEngine &b_engine,
+      BL::Preferences &b_userpref,
+      BL::Scene &b_scene,
+      bool background,
+      BL::ViewLayer b_view_layer = BL::ViewLayer(PointerRNA_NULL));
   static bool get_session_pause(BL::Scene &b_scene, bool background);
-  static BufferParams get_buffer_params(
-      BL::SpaceView3D &b_v3d, BL::RegionView3D &b_rv3d, Camera *cam, int width, int height);
+  static BufferParams get_buffer_params(BL::SpaceView3D &b_v3d,
+                                        BL::RegionView3D &b_rv3d,
+                                        Camera *cam,
+                                        int width,
+                                        int height,
+                                        const bool use_denoiser);
+
+  static PassType get_pass_type(BL::RenderPass &b_pass);
+  static int get_denoising_pass(BL::RenderPass &b_pass);
 
  private:
   static DenoiseParams get_denoise_params(BL::Scene &b_scene,
@@ -119,7 +130,7 @@ class BlenderSync {
                    int width,
                    int height,
                    void **python_thread_state);
-  void sync_film(BL::ViewLayer &b_view_layer, BL::SpaceView3D &b_v3d);
+  void sync_film(BL::SpaceView3D &b_v3d);
   void sync_view();
 
   /* Shader */
@@ -147,24 +158,18 @@ class BlenderSync {
   bool sync_object_attributes(BL::DepsgraphObjectInstance &b_instance, Object *object);
 
   /* Volume */
-  void sync_volume(BObjectInfo &b_ob_info, Volume *volume);
+  void sync_volume(BL::Object &b_ob, Volume *volume);
 
   /* Mesh */
-  void sync_mesh(BL::Depsgraph b_depsgraph, BObjectInfo &b_ob_info, Mesh *mesh);
-  void sync_mesh_motion(BL::Depsgraph b_depsgraph,
-                        BObjectInfo &b_ob_info,
-                        Mesh *mesh,
-                        int motion_step);
+  void sync_mesh(BL::Depsgraph b_depsgraph, BL::Object b_ob, Mesh *mesh);
+  void sync_mesh_motion(BL::Depsgraph b_depsgraph, BL::Object b_ob, Mesh *mesh, int motion_step);
 
   /* Hair */
-  void sync_hair(BL::Depsgraph b_depsgraph, BObjectInfo &b_ob_info, Hair *hair);
-  void sync_hair_motion(BL::Depsgraph b_depsgraph,
-                        BObjectInfo &b_ob_info,
-                        Hair *hair,
-                        int motion_step);
-  void sync_hair(Hair *hair, BObjectInfo &b_ob_info, bool motion, int motion_step = 0);
+  void sync_hair(BL::Depsgraph b_depsgraph, BL::Object b_ob, Hair *hair);
+  void sync_hair_motion(BL::Depsgraph b_depsgraph, BL::Object b_ob, Hair *hair, int motion_step);
+  void sync_hair(Hair *hair, BL::Object &b_ob, bool motion, int motion_step = 0);
   void sync_particle_hair(
-      Hair *hair, BL::Mesh &b_mesh, BObjectInfo &b_ob_info, bool motion, int motion_step = 0);
+      Hair *hair, BL::Mesh &b_mesh, BL::Object &b_ob, bool motion, int motion_step = 0);
   bool object_has_particle_hair(BL::Object b_ob);
 
   /* Camera */
@@ -173,13 +178,14 @@ class BlenderSync {
 
   /* Geometry */
   Geometry *sync_geometry(BL::Depsgraph &b_depsgrpah,
-                          BObjectInfo &b_ob_info,
+                          BL::Object &b_ob,
+                          BL::Object &b_ob_instance,
                           bool object_updated,
                           bool use_particle_hair,
                           TaskPool *task_pool);
 
   void sync_geometry_motion(BL::Depsgraph &b_depsgraph,
-                            BObjectInfo &b_ob_info,
+                            BL::Object &b_ob,
                             Object *object,
                             float motion_time,
                             bool use_particle_hair,
@@ -188,7 +194,8 @@ class BlenderSync {
   /* Light */
   void sync_light(BL::Object &b_parent,
                   int persistent_id[OBJECT_PERSISTENT_ID_SIZE],
-                  BObjectInfo &b_ob_info,
+                  BL::Object &b_ob,
+                  BL::Object &b_ob_instance,
                   int random_id,
                   Transform &tfm,
                   bool *use_portal);
@@ -224,7 +231,6 @@ class BlenderSync {
   id_map<ParticleSystemKey, ParticleSystem> particle_system_map;
   set<Geometry *> geometry_synced;
   set<Geometry *> geometry_motion_synced;
-  set<Geometry *> geometry_motion_attribute_synced;
   set<float> motion_times;
   void *world_map;
   bool world_recalc;
@@ -233,7 +239,6 @@ class BlenderSync {
   Scene *scene;
   bool preview;
   bool experimental;
-  bool use_developer_ui;
 
   float dicing_rate;
   int max_subdivisions;
@@ -242,6 +247,7 @@ class BlenderSync {
     RenderLayerInfo()
         : material_override(PointerRNA_NULL),
           use_background_shader(true),
+          use_background_ao(true),
           use_surfaces(true),
           use_hair(true),
           use_volumes(true),
@@ -254,6 +260,7 @@ class BlenderSync {
     string name;
     BL::Material material_override;
     bool use_background_shader;
+    bool use_background_ao;
     bool use_surfaces;
     bool use_hair;
     bool use_volumes;

intern/cycles/blender/blender_util.h

@@ -40,28 +40,6 @@ float *BKE_image_get_float_pixels_for_frame(void *image, int frame, int tile);
 
 CCL_NAMESPACE_BEGIN
 
-struct BObjectInfo {
-  /* Object directly provided by the depsgraph iterator. This object is only valid during one
-   * iteration and must not be accessed afterwards. Transforms and visibility should be checked on
-   * this object. */
-  BL::Object iter_object;
-
-  /* This object remains alive even after the object iterator is done. It corresponds to one
-   * original object. It is the object that owns the object data below. */
-  BL::Object real_object;
-
-  /* The object-data referenced by the iter object. This is still valid after the depsgraph
-   * iterator is done. It might have a different type compared to real_object.data(). */
-  BL::ID object_data;
-
-  /* True when the current geometry is the data of the referenced object. False when it is a
-   * geometry instance that does not have a 1-to-1 relationship with an object. */
-  bool is_real_object_data() const
-  {
-    return const_cast<BL::Object &>(real_object).data() == object_data;
-  }
-};
-
 typedef BL::ShaderNodeAttribute::attribute_type_enum BlenderAttributeType;
 BlenderAttributeType blender_attribute_name_split_type(ustring name, string *r_real_name);
 
@@ -69,7 +47,7 @@ void python_thread_state_save(void **python_thread_state);
 void python_thread_state_restore(void **python_thread_state);
 
 static inline BL::Mesh object_to_mesh(BL::BlendData & /*data*/,
-                                      BObjectInfo &b_ob_info,
+                                      BL::Object &object,
                                       BL::Depsgraph & /*depsgraph*/,
                                       bool /*calc_undeformed*/,
                                       Mesh::SubdivisionType subdivision_type)
@@ -91,9 +69,9 @@ static inline BL::Mesh object_to_mesh(BL::BlendData & /*data*/,
 #endif
 
   BL::Mesh mesh(PointerRNA_NULL);
-  if (b_ob_info.object_data.is_a(&RNA_Mesh)) {
+  if (object.type() == BL::Object::type_MESH) {
     /* TODO: calc_undeformed is not used. */
-    mesh = BL::Mesh(b_ob_info.object_data);
+    mesh = BL::Mesh(object.data());
 
     /* Make a copy to split faces if we use autosmooth, otherwise not needed.
      * Also in edit mode do we need to make a copy, to ensure data layers like
@@ -101,15 +79,12 @@ static inline BL::Mesh object_to_mesh(BL::BlendData & /*data*/,
     if (mesh.is_editmode() ||
         (mesh.use_auto_smooth() && subdivision_type == Mesh::SUBDIVISION_NONE)) {
       BL::Depsgraph depsgraph(PointerRNA_NULL);
-      assert(b_ob_info.is_real_object_data());
-      mesh = b_ob_info.real_object.to_mesh(false, depsgraph);
+      mesh = object.to_mesh(false, depsgraph);
     }
   }
   else {
     BL::Depsgraph depsgraph(PointerRNA_NULL);
-    if (b_ob_info.is_real_object_data()) {
-      mesh = b_ob_info.real_object.to_mesh(false, depsgraph);
-    }
+    mesh = object.to_mesh(false, depsgraph);
   }
 
 #if 0
@@ -133,14 +108,10 @@ static inline BL::Mesh object_to_mesh(BL::BlendData & /*data*/,
 }
 
 static inline void free_object_to_mesh(BL::BlendData & /*data*/,
-                                       BObjectInfo &b_ob_info,
+                                       BL::Object &object,
                                        BL::Mesh &mesh)
 {
-  if (!b_ob_info.is_real_object_data()) {
-    return;
-  }
   /* Free mesh if we didn't just use the existing one. */
-  BL::Object object = b_ob_info.real_object;
   if (object.data().ptr.data != mesh.ptr.data) {
     object.to_mesh_clear();
   }
@@ -248,13 +219,9 @@ static inline bool BKE_object_is_modified(BL::Object &self, BL::Scene &scene, bo
   return self.is_modified(scene, (preview) ? (1 << 0) : (1 << 1)) ? true : false;
 }
 
-static inline bool BKE_object_is_deform_modified(BObjectInfo &self, BL::Scene &scene, bool preview)
+static inline bool BKE_object_is_deform_modified(BL::Object &self, BL::Scene &scene, bool preview)
 {
-  if (!self.is_real_object_data()) {
-    return false;
-  }
-  return self.real_object.is_deform_modified(scene, (preview) ? (1 << 0) : (1 << 1)) ? true :
-                                                                                       false;
+  return self.is_deform_modified(scene, (preview) ? (1 << 0) : (1 << 1)) ? true : false;
 }
 
 static inline int render_resolution_x(BL::RenderSettings &b_render)
@@ -457,7 +424,7 @@ static inline void set_enum(PointerRNA &ptr, const char *name, const string &ide
 static inline string get_string(PointerRNA &ptr, const char *name)
 {
   char cstrbuf[1024];
-  char *cstr = RNA_string_get_alloc(&ptr, name, cstrbuf, sizeof(cstrbuf), NULL);
+  char *cstr = RNA_string_get_alloc(&ptr, name, cstrbuf, sizeof(cstrbuf));
   string str(cstr);
   if (cstr != cstrbuf)
     MEM_freeN(cstr);
@@ -573,6 +540,22 @@ static inline bool object_use_deform_motion(BL::Object &b_parent, BL::Object &b_
   return use_deform_motion;
 }
 
+static inline BL::FluidDomainSettings object_fluid_liquid_domain_find(BL::Object &b_ob)
+{
+  for (BL::Modifier &b_mod : b_ob.modifiers) {
+    if (b_mod.is_a(&RNA_FluidModifier)) {
+      BL::FluidModifier b_mmd(b_mod);
+
+      if (b_mmd.fluid_type() == BL::FluidModifier::fluid_type_DOMAIN &&
+          b_mmd.domain_settings().domain_type() == BL::FluidDomainSettings::domain_type_LIQUID) {
+        return b_mmd.domain_settings();
+      }
+    }
+  }
+
+  return BL::FluidDomainSettings(PointerRNA_NULL);
+}
+
 static inline BL::FluidDomainSettings object_fluid_gas_domain_find(BL::Object &b_ob)
 {
   for (BL::Modifier &b_mod : b_ob.modifiers) {
@@ -590,6 +573,7 @@ static inline BL::FluidDomainSettings object_fluid_gas_domain_find(BL::Object &b
 }
 
 static inline BL::MeshSequenceCacheModifier object_mesh_cache_find(BL::Object &b_ob,
+                                                                   bool check_velocity,
                                                                    bool *has_subdivision_modifier)
 {
   for (int i = b_ob.modifiers.length() - 1; i >= 0; --i) {
@@ -597,6 +581,13 @@ static inline BL::MeshSequenceCacheModifier object_mesh_cache_find(BL::Object &b
 
     if (b_mod.type() == BL::Modifier::type_MESH_SEQUENCE_CACHE) {
       BL::MeshSequenceCacheModifier mesh_cache = BL::MeshSequenceCacheModifier(b_mod);
+
+      if (check_velocity) {
+        if (!MeshSequenceCacheModifier_has_velocity_get(&mesh_cache.ptr)) {
+          return BL::MeshSequenceCacheModifier(PointerRNA_NULL);
+        }
+      }
+
       return mesh_cache;
     }
 
@@ -605,7 +596,9 @@ static inline BL::MeshSequenceCacheModifier object_mesh_cache_find(BL::Object &b
       continue;
     }
 
-    if (b_mod.type() == BL::Modifier::type_SUBSURF) {
+    /* Only skip the subsurf modifier if we are not checking for the mesh sequence cache modifier
+     * for motion blur. */
+    if (b_mod.type() == BL::Modifier::type_SUBSURF && !check_velocity) {
       if (has_subdivision_modifier) {
         *has_subdivision_modifier = true;
       }

intern/cycles/blender/blender_viewport.cpp

@@ -17,8 +17,6 @@
 #include "blender_viewport.h"
 
 #include "blender_util.h"
-#include "render/pass.h"
-#include "util/util_logging.h"
 
 CCL_NAMESPACE_BEGIN
 
@@ -28,12 +26,11 @@ BlenderViewportParameters::BlenderViewportParameters()
       studiolight_rotate_z(0.0f),
       studiolight_intensity(1.0f),
       studiolight_background_alpha(1.0f),
-      display_pass(PASS_COMBINED),
-      show_active_pixels(false)
+      display_pass(PASS_COMBINED)
 {
 }
 
-BlenderViewportParameters::BlenderViewportParameters(BL::SpaceView3D &b_v3d, bool use_developer_ui)
+BlenderViewportParameters::BlenderViewportParameters(BL::SpaceView3D &b_v3d)
     : BlenderViewportParameters()
 {
   if (!b_v3d) {
@@ -58,25 +55,7 @@ BlenderViewportParameters::BlenderViewportParameters(BL::SpaceView3D &b_v3d, boo
   }
 
   /* Film. */
-
-  /* Lookup display pass based on the enum identifier.
-   * This is because integer values of python enum are not aligned with the passes definition in
-   * the kernel. */
-
-  display_pass = PASS_COMBINED;
-
-  const string display_pass_identifier = get_enum_identifier(cshading, "render_pass");
-  if (!display_pass_identifier.empty()) {
-    const ustring pass_type_identifier(string_to_lower(display_pass_identifier));
-    const NodeEnum *pass_type_enum = Pass::get_type_enum();
-    if (pass_type_enum->exists(pass_type_identifier)) {
-      display_pass = static_cast<PassType>((*pass_type_enum)[pass_type_identifier]);
-    }
-  }
-
-  if (use_developer_ui) {
-    show_active_pixels = get_boolean(cshading, "show_active_pixels");
-  }
+  display_pass = (PassType)get_enum(cshading, "render_pass", -1, -1);
 }
 
 bool BlenderViewportParameters::shader_modified(const BlenderViewportParameters &other) const
@@ -90,7 +69,7 @@ bool BlenderViewportParameters::shader_modified(const BlenderViewportParameters
 
 bool BlenderViewportParameters::film_modified(const BlenderViewportParameters &other) const
 {
-  return display_pass != other.display_pass || show_active_pixels != other.show_active_pixels;
+  return display_pass != other.display_pass;
 }
 
 bool BlenderViewportParameters::modified(const BlenderViewportParameters &other) const
@@ -103,4 +82,18 @@ bool BlenderViewportParameters::use_custom_shader() const
   return !(use_scene_world && use_scene_lights);
 }
 
+PassType update_viewport_display_passes(BL::SpaceView3D &b_v3d, vector<Pass> &passes)
+{
+  if (b_v3d) {
+    const BlenderViewportParameters viewport_parameters(b_v3d);
+    const PassType display_pass = viewport_parameters.display_pass;
+
+    passes.clear();
+    Pass::add(display_pass, passes);
+
+    return display_pass;
+  }
+  return PASS_NONE;
+}
+
 CCL_NAMESPACE_END

intern/cycles/blender/blender_viewport.h

@@ -39,10 +39,9 @@ class BlenderViewportParameters {
 
   /* Film. */
   PassType display_pass;
-  bool show_active_pixels;
 
   BlenderViewportParameters();
-  BlenderViewportParameters(BL::SpaceView3D &b_v3d, bool use_developer_ui);
+  explicit BlenderViewportParameters(BL::SpaceView3D &b_v3d);
 
   /* Check whether any of shading related settings are different from the given parameters. */
   bool shader_modified(const BlenderViewportParameters &other) const;
@@ -58,6 +57,8 @@ class BlenderViewportParameters {
   bool use_custom_shader() const;
 };
 
+PassType update_viewport_display_passes(BL::SpaceView3D &b_v3d, vector<Pass> &passes);
+
 CCL_NAMESPACE_END
 
 #endif

intern/cycles/blender/blender_volume.cpp

@@ -181,12 +181,9 @@ class BlenderSmokeLoader : public ImageLoader {
   AttributeStandard attribute;
 };
 
-static void sync_smoke_volume(Scene *scene, BObjectInfo &b_ob_info, Volume *volume, float frame)
+static void sync_smoke_volume(Scene *scene, BL::Object &b_ob, Volume *volume, float frame)
 {
-  if (!b_ob_info.is_real_object_data()) {
-    return;
-  }
-  BL::FluidDomainSettings b_domain = object_fluid_gas_domain_find(b_ob_info.real_object);
+  BL::FluidDomainSettings b_domain = object_fluid_gas_domain_find(b_ob);
   if (!b_domain) {
     return;
   }
@@ -209,7 +206,7 @@ static void sync_smoke_volume(Scene *scene, BObjectInfo &b_ob_info, Volume *volu
 
     Attribute *attr = volume->attributes.add(std);
 
-    ImageLoader *loader = new BlenderSmokeLoader(b_ob_info.real_object, std);
+    ImageLoader *loader = new BlenderSmokeLoader(b_ob, std);
     ImageParams params;
     params.frame = frame;
 
@@ -247,11 +244,11 @@ class BlenderVolumeLoader : public VDBImageLoader {
 };
 
 static void sync_volume_object(BL::BlendData &b_data,
-                               BObjectInfo &b_ob_info,
+                               BL::Object &b_ob,
                                Scene *scene,
                                Volume *volume)
 {
-  BL::Volume b_volume(b_ob_info.object_data);
+  BL::Volume b_volume(b_ob.data());
   b_volume.grids.load(b_data.ptr.data);
 
   BL::VolumeRender b_render(b_volume.render());
@@ -299,19 +296,19 @@ static void sync_volume_object(BL::BlendData &b_data,
   }
 }
 
-void BlenderSync::sync_volume(BObjectInfo &b_ob_info, Volume *volume)
+void BlenderSync::sync_volume(BL::Object &b_ob, Volume *volume)
 {
   volume->clear(true);
 
   if (view_layer.use_volumes) {
-    if (b_ob_info.object_data.is_a(&RNA_Volume)) {
+    if (b_ob.type() == BL::Object::type_VOLUME) {
       /* Volume object. Create only attributes, bounding mesh will then
        * be automatically generated later. */
-      sync_volume_object(b_data, b_ob_info, scene, volume);
+      sync_volume_object(b_data, b_ob, scene, volume);
     }
     else {
       /* Smoke domain. */
-      sync_smoke_volume(scene, b_ob_info, volume, b_scene.frame_current());
+      sync_smoke_volume(scene, b_ob, volume, b_scene.frame_current());
     }
   }
 

intern/cycles/bvh/bvh_build.cpp

@@ -832,18 +832,18 @@ BVHNode *BVHBuild::create_leaf_node(const BVHRange &range, const vector<BVHRefer
   typedef StackAllocator<256, float2> LeafTimeStackAllocator;
   typedef StackAllocator<256, BVHReference> LeafReferenceStackAllocator;
 
-  vector<int, LeafStackAllocator> p_type[PRIMITIVE_NUM];
-  vector<int, LeafStackAllocator> p_index[PRIMITIVE_NUM];
-  vector<int, LeafStackAllocator> p_object[PRIMITIVE_NUM];
-  vector<float2, LeafTimeStackAllocator> p_time[PRIMITIVE_NUM];
-  vector<BVHReference, LeafReferenceStackAllocator> p_ref[PRIMITIVE_NUM];
+  vector<int, LeafStackAllocator> p_type[PRIMITIVE_NUM_TOTAL];
+  vector<int, LeafStackAllocator> p_index[PRIMITIVE_NUM_TOTAL];
+  vector<int, LeafStackAllocator> p_object[PRIMITIVE_NUM_TOTAL];
+  vector<float2, LeafTimeStackAllocator> p_time[PRIMITIVE_NUM_TOTAL];
+  vector<BVHReference, LeafReferenceStackAllocator> p_ref[PRIMITIVE_NUM_TOTAL];
 
   /* TODO(sergey): In theory we should be able to store references. */
   vector<BVHReference, LeafReferenceStackAllocator> object_references;
 
-  uint visibility[PRIMITIVE_NUM] = {0};
+  uint visibility[PRIMITIVE_NUM_TOTAL] = {0};
   /* NOTE: Keep initialization in sync with actual number of primitives. */
-  BoundBox bounds[PRIMITIVE_NUM] = {
+  BoundBox bounds[PRIMITIVE_NUM_TOTAL] = {
       BoundBox::empty, BoundBox::empty, BoundBox::empty, BoundBox::empty};
   int ob_num = 0;
   int num_new_prims = 0;
@@ -877,7 +877,7 @@ BVHNode *BVHBuild::create_leaf_node(const BVHRange &range, const vector<BVHRefer
    * TODO(sergey): With some pointer trickery we can write directly to the
    * destination buffers for the non-spatial split BVH.
    */
-  BVHNode *leaves[PRIMITIVE_NUM + 1] = {NULL};
+  BVHNode *leaves[PRIMITIVE_NUM_TOTAL + 1] = {NULL};
   int num_leaves = 0;
   size_t start_index = 0;
   vector<int, LeafStackAllocator> local_prim_type, local_prim_index, local_prim_object;
@@ -888,7 +888,7 @@ BVHNode *BVHBuild::create_leaf_node(const BVHRange &range, const vector<BVHRefer
   if (need_prim_time) {
     local_prim_time.resize(num_new_prims);
   }
-  for (int i = 0; i < PRIMITIVE_NUM; ++i) {
+  for (int i = 0; i < PRIMITIVE_NUM_TOTAL; ++i) {
     int num = (int)p_type[i].size();
     if (num != 0) {
       assert(p_type[i].size() == p_index[i].size());

intern/cycles/bvh/bvh_embree.cpp

@@ -37,10 +37,10 @@
 /* Kernel includes are necessary so that the filter function for Embree can access the packed BVH.
  */
 #  include "kernel/bvh/bvh_embree.h"
-#  include "kernel/bvh/bvh_util.h"
-#  include "kernel/device/cpu/compat.h"
-#  include "kernel/device/cpu/globals.h"
+#  include "kernel/kernel_compat_cpu.h"
+#  include "kernel/kernel_globals.h"
 #  include "kernel/kernel_random.h"
+#  include "kernel/split/kernel_split_data_types.h"
 
 #  include "render/hair.h"
 #  include "render/mesh.h"
@@ -73,69 +73,46 @@ static void rtc_filter_occluded_func(const RTCFilterFunctionNArguments *args)
   const RTCRay *ray = (RTCRay *)args->ray;
   RTCHit *hit = (RTCHit *)args->hit;
   CCLIntersectContext *ctx = ((IntersectContext *)args->context)->userRayExt;
-  const KernelGlobals *kg = ctx->kg;
+  KernelGlobals *kg = ctx->kg;
 
   switch (ctx->type) {
     case CCLIntersectContext::RAY_SHADOW_ALL: {
-      Intersection current_isect;
-      kernel_embree_convert_hit(kg, ray, hit, &current_isect);
-
-      /* If no transparent shadows, all light is blocked. */
-      const int flags = intersection_get_shader_flags(kg, &current_isect);
-      if (!(flags & (SD_HAS_TRANSPARENT_SHADOW)) || ctx->max_hits == 0) {
-        ctx->opaque_hit = true;
-        return;
-      }
-
-      /* Test if we need to record this transparent intersection. */
-      if (ctx->num_hits < ctx->max_hits || ray->tfar < ctx->max_t) {
-        /* Skip already recorded intersections. */
-        int num_recorded_hits = min(ctx->num_hits, ctx->max_hits);
-
-        for (int i = 0; i < num_recorded_hits; ++i) {
+      /* Append the intersection to the end of the array. */
+      if (ctx->num_hits < ctx->max_hits) {
+        Intersection current_isect;
+        kernel_embree_convert_hit(kg, ray, hit, &current_isect);
+        for (size_t i = 0; i < ctx->max_hits; ++i) {
           if (current_isect.object == ctx->isect_s[i].object &&
               current_isect.prim == ctx->isect_s[i].prim && current_isect.t == ctx->isect_s[i].t) {
             /* This intersection was already recorded, skip it. */
             *args->valid = 0;
-            return;
+            break;
           }
         }
-
-        /* If maximum number of hits was reached, replace the intersection with the
-         * highest distance. We want to find the N closest intersections. */
-        int isect_index = num_recorded_hits;
-        if (num_recorded_hits + 1 >= ctx->max_hits) {
-          float max_t = ctx->isect_s[0].t;
-          int max_recorded_hit = 0;
-
-          for (int i = 1; i < num_recorded_hits; ++i) {
-            if (ctx->isect_s[i].t > max_t) {
-              max_recorded_hit = i;
-              max_t = ctx->isect_s[i].t;
-            }
-          }
-
-          if (num_recorded_hits >= ctx->max_hits) {
-            isect_index = max_recorded_hit;
-          }
-
-          /* Limit the ray distance and stop counting hits beyond this.
-           * TODO: is there some way we can tell Embree to stop intersecting beyond
-           * this distance when max number of hits is reached?. Or maybe it will
-           * become irrelevant if we make max_hits a very high number on the CPU. */
-          ctx->max_t = max(current_isect.t, max_t);
+        Intersection *isect = &ctx->isect_s[ctx->num_hits];
+        ++ctx->num_hits;
+        *isect = current_isect;
+        int prim = kernel_tex_fetch(__prim_index, isect->prim);
+        int shader = 0;
+        if (kernel_tex_fetch(__prim_type, isect->prim) & PRIMITIVE_ALL_TRIANGLE) {
+          shader = kernel_tex_fetch(__tri_shader, prim);
+        }
+        else {
+          float4 str = kernel_tex_fetch(__curves, prim);
+          shader = __float_as_int(str.z);
+        }
+        int flag = kernel_tex_fetch(__shaders, shader & SHADER_MASK).flags;
+        /* If no transparent shadows, all light is blocked. */
+        if (flag & (SD_HAS_TRANSPARENT_SHADOW)) {
+          /* This tells Embree to continue tracing. */
+          *args->valid = 0;
         }
-
-        ctx->isect_s[isect_index] = current_isect;
       }
-
-      /* Always increase the number of hits, even beyond ray.max_hits so that
-       * the caller can detect this as and consider it opaque, or trace another
-       * ray. */
-      ++ctx->num_hits;
-
-      /* This tells Embree to continue tracing. */
-      *args->valid = 0;
+      else {
+        /* Increase the number of hits beyond ray.max_hits
+         * so that the caller can detect this as opaque. */
+        ++ctx->num_hits;
+      }
       break;
     }
     case CCLIntersectContext::RAY_LOCAL:
@@ -352,7 +329,7 @@ void BVHEmbree::build(Progress &progress, Stats *stats, RTCDevice rtc_device_)
     scene = NULL;
   }
 
-  const bool dynamic = params.bvh_type == BVH_TYPE_DYNAMIC;
+  const bool dynamic = params.bvh_type == SceneParams::BVH_DYNAMIC;
 
   scene = rtcNewScene(rtc_device);
   const RTCSceneFlags scene_flags = (dynamic ? RTC_SCENE_FLAG_DYNAMIC : RTC_SCENE_FLAG_NONE) |

intern/cycles/bvh/bvh_params.h

@@ -31,27 +31,6 @@ CCL_NAMESPACE_BEGIN
  */
 typedef KernelBVHLayout BVHLayout;
 
-/* Type of BVH, in terms whether it is supported dynamic updates of meshes
- * or whether modifying geometry requires full BVH rebuild.
- */
-enum BVHType {
-  /* BVH supports dynamic updates of geometry.
-   *
-   * Faster for updating BVH tree when doing modifications in viewport,
-   * but slower for rendering.
-   */
-  BVH_TYPE_DYNAMIC = 0,
-  /* BVH tree is calculated for specific scene, updates in geometry
-   * requires full tree rebuild.
-   *
-   * Slower to update BVH tree when modifying objects in viewport, also
-   * slower to build final BVH tree but gives best possible render speed.
-   */
-  BVH_TYPE_STATIC = 1,
-
-  BVH_NUM_TYPES,
-};
-
 /* Names bitflag type to denote which BVH layouts are supported by
  * particular area.
  *

intern/cycles/cmake/external_libs.cmake

@@ -287,6 +287,9 @@ if(CYCLES_STANDALONE_REPOSITORY)
   endif()
 
   set(__boost_packages filesystem regex system thread date_time)
+  if(WITH_CYCLES_NETWORK)
+    list(APPEND __boost_packages serialization)
+  endif()
   if(WITH_CYCLES_OSL)
     list(APPEND __boost_packages wave)
   endif()

intern/cycles/device/CMakeLists.txt

@@ -36,70 +36,49 @@ endif()
 
 set(SRC
   device.cpp
-  device_denoise.cpp
-  device_graphics_interop.cpp
-  device_kernel.cpp
+  device_cpu.cpp
+  device_cuda.cpp
+  device_denoising.cpp
+  device_dummy.cpp
   device_memory.cpp
-  device_queue.cpp
-)
-
-set(SRC_CPU
-  cpu/device.cpp
-  cpu/device.h
-  cpu/device_impl.cpp
-  cpu/device_impl.h
-  cpu/kernel.cpp
-  cpu/kernel.h
-  cpu/kernel_function.h
-  cpu/kernel_thread_globals.cpp
-  cpu/kernel_thread_globals.h
+  device_multi.cpp
+  device_opencl.cpp
+  device_optix.cpp
+  device_split_kernel.cpp
+  device_task.cpp
 )
 
 set(SRC_CUDA
-  cuda/device.cpp
-  cuda/device.h
-  cuda/device_impl.cpp
-  cuda/device_impl.h
-  cuda/graphics_interop.cpp
-  cuda/graphics_interop.h
-  cuda/kernel.cpp
-  cuda/kernel.h
-  cuda/queue.cpp
-  cuda/queue.h
-  cuda/util.cpp
-  cuda/util.h
+  cuda/device_cuda.h
+  cuda/device_cuda_impl.cpp
 )
 
-set(SRC_DUMMY
-  dummy/device.cpp
-  dummy/device.h
+set(SRC_OPENCL
+  opencl/device_opencl.h
+  opencl/device_opencl_impl.cpp
+  opencl/memory_manager.h
+  opencl/memory_manager.cpp
+  opencl/opencl_util.cpp
 )
 
-set(SRC_MULTI
-  multi/device.cpp
-  multi/device.h
-)
-
-set(SRC_OPTIX
-  optix/device.cpp
-  optix/device.h
-  optix/device_impl.cpp
-  optix/device_impl.h
-  optix/queue.cpp
-  optix/queue.h
-  optix/util.h
-)
+if(WITH_CYCLES_NETWORK)
+  list(APPEND SRC
+    device_network.cpp
+  )
+endif()
 
 set(SRC_HEADERS
   device.h
-  device_denoise.h
-  device_graphics_interop.h
+  device_denoising.h
   device_memory.h
-  device_kernel.h
-  device_queue.h
+  device_intern.h
+  device_network.h
+  device_split_kernel.h
+  device_task.h
 )
 
 set(LIB
+  cycles_render
   cycles_kernel
   cycles_util
   ${CYCLES_GL_LIBRARIES}
@@ -116,7 +95,15 @@ else()
 endif()
 
 add_definitions(${GL_DEFINITIONS})
-
+if(WITH_CYCLES_NETWORK)
+  add_definitions(-DWITH_NETWORK)
+endif()
+if(WITH_CYCLES_DEVICE_OPENCL)
+  list(APPEND LIB
+    extern_clew
+  )
+  add_definitions(-DWITH_OPENCL)
+endif()
 if(WITH_CYCLES_DEVICE_CUDA)
   add_definitions(-DWITH_CUDA)
 endif()
@@ -128,27 +115,18 @@ if(WITH_CYCLES_DEVICE_MULTI)
 endif()
 
 if(WITH_OPENIMAGEDENOISE)
+  add_definitions(-DWITH_OPENIMAGEDENOISE)
+  add_definitions(-DOIDN_STATIC_LIB)
+  list(APPEND INC_SYS
+    ${OPENIMAGEDENOISE_INCLUDE_DIRS}
+  )
   list(APPEND LIB
     ${OPENIMAGEDENOISE_LIBRARIES}
+    ${TBB_LIBRARIES}
   )
 endif()
 
 include_directories(${INC})
 include_directories(SYSTEM ${INC_SYS})
 
-cycles_add_library(cycles_device "${LIB}"
-  ${SRC}
-  ${SRC_CPU}
-  ${SRC_CUDA}
-  ${SRC_DUMMY}
-  ${SRC_MULTI}
-  ${SRC_OPTIX}
-  ${SRC_HEADERS}
-)
-
-source_group("cpu" FILES ${SRC_CPU})
-source_group("cuda" FILES ${SRC_CUDA})
-source_group("dummy" FILES ${SRC_DUMMY})
-source_group("multi" FILES ${SRC_MULTI})
-source_group("optix" FILES ${SRC_OPTIX})
-source_group("common" FILES ${SRC} ${SRC_HEADERS})
+cycles_add_library(cycles_device "${LIB}" ${SRC} ${SRC_CUDA} ${SRC_OPENCL} ${SRC_HEADERS})

intern/cycles/device/cpu/device.cpp

@@ -1,64 +0,0 @@
-/*
- * Copyright 2011-2013 Blender Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "device/cpu/device.h"
-#include "device/cpu/device_impl.h"
-
-/* Used for `info.denoisers`. */
-/* TODO(sergey): The denoisers are probably to be moved completely out of the device into their
- * own class. But until then keep API consistent with how it used to work before. */
-#include "util/util_openimagedenoise.h"
-
-CCL_NAMESPACE_BEGIN
-
-Device *device_cpu_create(const DeviceInfo &info, Stats &stats, Profiler &profiler)
-{
-  return new CPUDevice(info, stats, profiler);
-}
-
-void device_cpu_info(vector<DeviceInfo> &devices)
-{
-  DeviceInfo info;
-
-  info.type = DEVICE_CPU;
-  info.description = system_cpu_brand_string();
-  info.id = "CPU";
-  info.num = 0;
-  info.has_osl = true;
-  info.has_half_images = true;
-  info.has_nanovdb = true;
-  info.has_profiling = true;
-  if (openimagedenoise_supported()) {
-    info.denoisers |= DENOISER_OPENIMAGEDENOISE;
-  }
-
-  devices.insert(devices.begin(), info);
-}
-
-string device_cpu_capabilities()
-{
-  string capabilities = "";
-  capabilities += system_cpu_support_sse2() ? "SSE2 " : "";
-  capabilities += system_cpu_support_sse3() ? "SSE3 " : "";
-  capabilities += system_cpu_support_sse41() ? "SSE41 " : "";
-  capabilities += system_cpu_support_avx() ? "AVX " : "";
-  capabilities += system_cpu_support_avx2() ? "AVX2" : "";
-  if (capabilities[capabilities.size() - 1] == ' ')
-    capabilities.resize(capabilities.size() - 1);
-  return capabilities;
-}
-
-CCL_NAMESPACE_END

intern/cycles/device/cpu/device_impl.cpp

@@ -1,332 +0,0 @@
-/*
- * Copyright 2011-2021 Blender Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "device/cpu/device_impl.h"
-
-#include <stdlib.h>
-#include <string.h>
-
-/* So ImathMath is included before our kernel_cpu_compat. */
-#ifdef WITH_OSL
-/* So no context pollution happens from indirectly included windows.h */
-#  include "util/util_windows.h"
-#  include <OSL/oslexec.h>
-#endif
-
-#ifdef WITH_EMBREE
-#  include <embree3/rtcore.h>
-#endif
-
-#include "device/cpu/kernel.h"
-#include "device/cpu/kernel_thread_globals.h"
-
-#include "device/device.h"
-
-// clang-format off
-#include "kernel/device/cpu/compat.h"
-#include "kernel/device/cpu/globals.h"
-#include "kernel/device/cpu/kernel.h"
-#include "kernel/kernel_types.h"
-
-#include "kernel/osl/osl_shader.h"
-#include "kernel/osl/osl_globals.h"
-// clang-format on
-
-#include "bvh/bvh_embree.h"
-
-#include "render/buffers.h"
-
-#include "util/util_debug.h"
-#include "util/util_foreach.h"
-#include "util/util_function.h"
-#include "util/util_logging.h"
-#include "util/util_map.h"
-#include "util/util_openimagedenoise.h"
-#include "util/util_optimization.h"
-#include "util/util_progress.h"
-#include "util/util_system.h"
-#include "util/util_task.h"
-#include "util/util_thread.h"
-
-CCL_NAMESPACE_BEGIN
-
-CPUDevice::CPUDevice(const DeviceInfo &info_, Stats &stats_, Profiler &profiler_)
-    : Device(info_, stats_, profiler_), texture_info(this, "__texture_info", MEM_GLOBAL)
-{
-  /* Pick any kernel, all of them are supposed to have same level of microarchitecture
-   * optimization. */
-  VLOG(1) << "Will be using " << kernels.integrator_init_from_camera.get_uarch_name()
-          << " kernels.";
-
-  if (info.cpu_threads == 0) {
-    info.cpu_threads = TaskScheduler::num_threads();
-  }
-
-#ifdef WITH_OSL
-  kernel_globals.osl = &osl_globals;
-#endif
-#ifdef WITH_EMBREE
-  embree_device = rtcNewDevice("verbose=0");
-#endif
-  need_texture_info = false;
-}
-
-CPUDevice::~CPUDevice()
-{
-#ifdef WITH_EMBREE
-  rtcReleaseDevice(embree_device);
-#endif
-
-  texture_info.free();
-}
-
-bool CPUDevice::show_samples() const
-{
-  return (info.cpu_threads == 1);
-}
-
-BVHLayoutMask CPUDevice::get_bvh_layout_mask() const
-{
-  BVHLayoutMask bvh_layout_mask = BVH_LAYOUT_BVH2;
-#ifdef WITH_EMBREE
-  bvh_layout_mask |= BVH_LAYOUT_EMBREE;
-#endif /* WITH_EMBREE */
-  return bvh_layout_mask;
-}
-
-bool CPUDevice::load_texture_info()
-{
-  if (!need_texture_info) {
-    return false;
-  }
-
-  texture_info.copy_to_device();
-  need_texture_info = false;
-
-  return true;
-}
-
-void CPUDevice::mem_alloc(device_memory &mem)
-{
-  if (mem.type == MEM_TEXTURE) {
-    assert(!"mem_alloc not supported for textures.");
-  }
-  else if (mem.type == MEM_GLOBAL) {
-    assert(!"mem_alloc not supported for global memory.");
-  }
-  else {
-    if (mem.name) {
-      VLOG(1) << "Buffer allocate: " << mem.name << ", "
-              << string_human_readable_number(mem.memory_size()) << " bytes. ("
-              << string_human_readable_size(mem.memory_size()) << ")";
-    }
-
-    if (mem.type == MEM_DEVICE_ONLY) {
-      assert(!mem.host_pointer);
-      size_t alignment = MIN_ALIGNMENT_CPU_DATA_TYPES;
-      void *data = util_aligned_malloc(mem.memory_size(), alignment);
-      mem.device_pointer = (device_ptr)data;
-    }
-    else {
-      mem.device_pointer = (device_ptr)mem.host_pointer;
-    }
-
-    mem.device_size = mem.memory_size();
-    stats.mem_alloc(mem.device_size);
-  }
-}
-
-void CPUDevice::mem_copy_to(device_memory &mem)
-{
-  if (mem.type == MEM_GLOBAL) {
-    global_free(mem);
-    global_alloc(mem);
-  }
-  else if (mem.type == MEM_TEXTURE) {
-    tex_free((device_texture &)mem);
-    tex_alloc((device_texture &)mem);
-  }
-  else {
-    if (!mem.device_pointer) {
-      mem_alloc(mem);
-    }
-
-    /* copy is no-op */
-  }
-}
-
-void CPUDevice::mem_copy_from(
-    device_memory & /*mem*/, size_t /*y*/, size_t /*w*/, size_t /*h*/, size_t /*elem*/)
-{
-  /* no-op */
-}
-
-void CPUDevice::mem_zero(device_memory &mem)
-{
-  if (!mem.device_pointer) {
-    mem_alloc(mem);
-  }
-
-  if (mem.device_pointer) {
-    memset((void *)mem.device_pointer, 0, mem.memory_size());
-  }
-}
-
-void CPUDevice::mem_free(device_memory &mem)
-{
-  if (mem.type == MEM_GLOBAL) {
-    global_free(mem);
-  }
-  else if (mem.type == MEM_TEXTURE) {
-    tex_free((device_texture &)mem);
-  }
-  else if (mem.device_pointer) {
-    if (mem.type == MEM_DEVICE_ONLY) {
-      util_aligned_free((void *)mem.device_pointer);
-    }
-    mem.device_pointer = 0;
-    stats.mem_free(mem.device_size);
-    mem.device_size = 0;
-  }
-}
-
-device_ptr CPUDevice::mem_alloc_sub_ptr(device_memory &mem, size_t offset, size_t /*size*/)
-{
-  return (device_ptr)(((char *)mem.device_pointer) + mem.memory_elements_size(offset));
-}
-
-void CPUDevice::const_copy_to(const char *name, void *host, size_t size)
-{
-#if WITH_EMBREE
-  if (strcmp(name, "__data") == 0) {
-    assert(size <= sizeof(KernelData));
-
-    // Update scene handle (since it is different for each device on multi devices)
-    KernelData *const data = (KernelData *)host;
-    data->bvh.scene = embree_scene;
-  }
-#endif
-  kernel_const_copy(&kernel_globals, name, host, size);
-}
-
-void CPUDevice::global_alloc(device_memory &mem)
-{
-  VLOG(1) << "Global memory allocate: " << mem.name << ", "
-          << string_human_readable_number(mem.memory_size()) << " bytes. ("
-          << string_human_readable_size(mem.memory_size()) << ")";
-
-  kernel_global_memory_copy(&kernel_globals, mem.name, mem.host_pointer, mem.data_size);
-
-  mem.device_pointer = (device_ptr)mem.host_pointer;
-  mem.device_size = mem.memory_size();
-  stats.mem_alloc(mem.device_size);
-}
-
-void CPUDevice::global_free(device_memory &mem)
-{
-  if (mem.device_pointer) {
-    mem.device_pointer = 0;
-    stats.mem_free(mem.device_size);
-    mem.device_size = 0;
-  }
-}
-
-void CPUDevice::tex_alloc(device_texture &mem)
-{
-  VLOG(1) << "Texture allocate: " << mem.name << ", "
-          << string_human_readable_number(mem.memory_size()) << " bytes. ("
-          << string_human_readable_size(mem.memory_size()) << ")";
-
-  mem.device_pointer = (device_ptr)mem.host_pointer;
-  mem.device_size = mem.memory_size();
-  stats.mem_alloc(mem.device_size);
-
-  const uint slot = mem.slot;
-  if (slot >= texture_info.size()) {
-    /* Allocate some slots in advance, to reduce amount of re-allocations. */
-    texture_info.resize(slot + 128);
-  }
-
-  texture_info[slot] = mem.info;
-  texture_info[slot].data = (uint64_t)mem.host_pointer;
-  need_texture_info = true;
-}
-
-void CPUDevice::tex_free(device_texture &mem)
-{
-  if (mem.device_pointer) {
-    mem.device_pointer = 0;
-    stats.mem_free(mem.device_size);
-    mem.device_size = 0;
-    need_texture_info = true;
-  }
-}
-
-void CPUDevice::build_bvh(BVH *bvh, Progress &progress, bool refit)
-{
-#ifdef WITH_EMBREE
-  if (bvh->params.bvh_layout == BVH_LAYOUT_EMBREE ||
-      bvh->params.bvh_layout == BVH_LAYOUT_MULTI_OPTIX_EMBREE) {
-    BVHEmbree *const bvh_embree = static_cast<BVHEmbree *>(bvh);
-    if (refit) {
-      bvh_embree->refit(progress);
-    }
-    else {
-      bvh_embree->build(progress, &stats, embree_device);
-    }
-
-    if (bvh->params.top_level) {
-      embree_scene = bvh_embree->scene;
-    }
-  }
-  else
-#endif
-    Device::build_bvh(bvh, progress, refit);
-}
-
-const CPUKernels *CPUDevice::get_cpu_kernels() const
-{
-  return &kernels;
-}
-
-void CPUDevice::get_cpu_kernel_thread_globals(
-    vector<CPUKernelThreadGlobals> &kernel_thread_globals)
-{
-  /* Ensure latest texture info is loaded into kernel globals before returning. */
-  load_texture_info();
-
-  kernel_thread_globals.clear();
-  void *osl_memory = get_cpu_osl_memory();
-  for (int i = 0; i < info.cpu_threads; i++) {
-    kernel_thread_globals.emplace_back(kernel_globals, osl_memory, profiler);
-  }
-}
-
-void *CPUDevice::get_cpu_osl_memory()
-{
-#ifdef WITH_OSL
-  return &osl_globals;
-#else
-  return NULL;
-#endif
-}
-
-bool CPUDevice::load_kernels(const uint /*kernel_features*/)
-{
-  return true;
-}
-
-CCL_NAMESPACE_END

intern/cycles/device/cpu/device_impl.h

@@ -1,102 +0,0 @@
-/*
- * Copyright 2011-2021 Blender Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-/* So ImathMath is included before our kernel_cpu_compat. */
-#ifdef WITH_OSL
-/* So no context pollution happens from indirectly included windows.h */
-#  include "util/util_windows.h"
-#  include <OSL/oslexec.h>
-#endif
-
-#ifdef WITH_EMBREE
-#  include <embree3/rtcore.h>
-#endif
-
-#include "device/cpu/kernel.h"
-#include "device/device.h"
-#include "device/device_memory.h"
-
-// clang-format off
-#include "kernel/device/cpu/compat.h"
-#include "kernel/device/cpu/kernel.h"
-#include "kernel/device/cpu/globals.h"
-
-#include "kernel/osl/osl_shader.h"
-#include "kernel/osl/osl_globals.h"
-// clang-format on
-
-CCL_NAMESPACE_BEGIN
-
-class CPUDevice : public Device {
- public:
-  KernelGlobals kernel_globals;
-
-  device_vector<TextureInfo> texture_info;
-  bool need_texture_info;
-
-#ifdef WITH_OSL
-  OSLGlobals osl_globals;
-#endif
-#ifdef WITH_EMBREE
-  RTCScene embree_scene = NULL;
-  RTCDevice embree_device;
-#endif
-
-  CPUKernels kernels;
-
-  CPUDevice(const DeviceInfo &info_, Stats &stats_, Profiler &profiler_);
-  ~CPUDevice();
-
-  virtual bool show_samples() const override;
-
-  virtual BVHLayoutMask get_bvh_layout_mask() const override;
-
-  /* Returns true if the texture info was copied to the device (meaning, some more
-   * re-initialization might be needed). */
-  bool load_texture_info();
-
-  virtual void mem_alloc(device_memory &mem) override;
-  virtual void mem_copy_to(device_memory &mem) override;
-  virtual void mem_copy_from(
-      device_memory &mem, size_t y, size_t w, size_t h, size_t elem) override;
-  virtual void mem_zero(device_memory &mem) override;
-  virtual void mem_free(device_memory &mem) override;
-  virtual device_ptr mem_alloc_sub_ptr(device_memory &mem,
-                                       size_t offset,
-                                       size_t /*size*/) override;
-
-  virtual void const_copy_to(const char *name, void *host, size_t size) override;
-
-  void global_alloc(device_memory &mem);
-  void global_free(device_memory &mem);
-
-  void tex_alloc(device_texture &mem);
-  void tex_free(device_texture &mem);
-
-  void build_bvh(BVH *bvh, Progress &progress, bool refit) override;
-
-  virtual const CPUKernels *get_cpu_kernels() const override;
-  virtual void get_cpu_kernel_thread_globals(
-      vector<CPUKernelThreadGlobals> &kernel_thread_globals) override;
-  virtual void *get_cpu_osl_memory() override;
-
- protected:
-  virtual bool load_kernels(uint /*kernel_features*/) override;
-};
-
-CCL_NAMESPACE_END

intern/cycles/device/cpu/kernel.cpp

@@ -1,61 +0,0 @@
-/*
- * Copyright 2011-2021 Blender Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "device/cpu/kernel.h"
-
-#include "kernel/device/cpu/kernel.h"
-
-CCL_NAMESPACE_BEGIN
-
-#define KERNEL_FUNCTIONS(name) \
-  KERNEL_NAME_EVAL(cpu, name), KERNEL_NAME_EVAL(cpu_sse2, name), \
-      KERNEL_NAME_EVAL(cpu_sse3, name), KERNEL_NAME_EVAL(cpu_sse41, name), \
-      KERNEL_NAME_EVAL(cpu_avx, name), KERNEL_NAME_EVAL(cpu_avx2, name)
-
-#define REGISTER_KERNEL(name) name(KERNEL_FUNCTIONS(name))
-
-CPUKernels::CPUKernels()
-    : /* Integrator. */
-      REGISTER_KERNEL(integrator_init_from_camera),
-      REGISTER_KERNEL(integrator_init_from_bake),
-      REGISTER_KERNEL(integrator_intersect_closest),
-      REGISTER_KERNEL(integrator_intersect_shadow),
-      REGISTER_KERNEL(integrator_intersect_subsurface),
-      REGISTER_KERNEL(integrator_intersect_volume_stack),
-      REGISTER_KERNEL(integrator_shade_background),
-      REGISTER_KERNEL(integrator_shade_light),
-      REGISTER_KERNEL(integrator_shade_shadow),
-      REGISTER_KERNEL(integrator_shade_surface),
-      REGISTER_KERNEL(integrator_shade_volume),
-      REGISTER_KERNEL(integrator_megakernel),
-      /* Shader evaluation. */
-      REGISTER_KERNEL(shader_eval_displace),
-      REGISTER_KERNEL(shader_eval_background),
-      /* Adaptive sampling. */
-      REGISTER_KERNEL(adaptive_sampling_convergence_check),
-      REGISTER_KERNEL(adaptive_sampling_filter_x),
-      REGISTER_KERNEL(adaptive_sampling_filter_y),
-      /* Cryptomatte. */
-      REGISTER_KERNEL(cryptomatte_postprocess),
-      /* Bake. */
-      REGISTER_KERNEL(bake)
-{
-}
-
-#undef REGISTER_KERNEL
-#undef KERNEL_FUNCTIONS
-
-CCL_NAMESPACE_END

intern/cycles/device/cpu/kernel.h

@@ -1,111 +0,0 @@
-/*
- * Copyright 2011-2021 Blender Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include "device/cpu/kernel_function.h"
-#include "util/util_types.h"
-
-CCL_NAMESPACE_BEGIN
-
-struct KernelGlobals;
-struct IntegratorStateCPU;
-struct TileInfo;
-
-class CPUKernels {
- public:
-  /* Integrator. */
-
-  using IntegratorFunction =
-      CPUKernelFunction<void (*)(const KernelGlobals *kg, IntegratorStateCPU *state)>;
-  using IntegratorShadeFunction = CPUKernelFunction<void (*)(
-      const KernelGlobals *kg, IntegratorStateCPU *state, ccl_global float *render_buffer)>;
-  using IntegratorInitFunction = CPUKernelFunction<bool (*)(const KernelGlobals *kg,
-                                                            IntegratorStateCPU *state,
-                                                            KernelWorkTile *tile,
-                                                            ccl_global float *render_buffer)>;
-
-  IntegratorInitFunction integrator_init_from_camera;
-  IntegratorInitFunction integrator_init_from_bake;
-  IntegratorFunction integrator_intersect_closest;
-  IntegratorFunction integrator_intersect_shadow;
-  IntegratorFunction integrator_intersect_subsurface;
-  IntegratorFunction integrator_intersect_volume_stack;
-  IntegratorShadeFunction integrator_shade_background;
-  IntegratorShadeFunction integrator_shade_light;
-  IntegratorShadeFunction integrator_shade_shadow;
-  IntegratorShadeFunction integrator_shade_surface;
-  IntegratorShadeFunction integrator_shade_volume;
-  IntegratorShadeFunction integrator_megakernel;
-
-  /* Shader evaluation. */
-
-  using ShaderEvalFunction = CPUKernelFunction<void (*)(
-      const KernelGlobals *kg, const KernelShaderEvalInput *, float4 *, const int)>;
-
-  ShaderEvalFunction shader_eval_displace;
-  ShaderEvalFunction shader_eval_background;
-
-  /* Adaptive stopping. */
-
-  using AdaptiveSamplingConvergenceCheckFunction =
-      CPUKernelFunction<bool (*)(const KernelGlobals *kg,
-                                 ccl_global float *render_buffer,
-                                 int x,
-                                 int y,
-                                 float threshold,
-                                 bool reset,
-                                 int offset,
-                                 int stride)>;
-
-  using AdaptiveSamplingFilterXFunction =
-      CPUKernelFunction<void (*)(const KernelGlobals *kg,
-                                 ccl_global float *render_buffer,
-                                 int y,
-                                 int start_x,
-                                 int width,
-                                 int offset,
-                                 int stride)>;
-
-  using AdaptiveSamplingFilterYFunction =
-      CPUKernelFunction<void (*)(const KernelGlobals *kg,
-                                 ccl_global float *render_buffer,
-                                 int x,
-                                 int start_y,
-                                 int height,
-                                 int offset,
-                                 int stride)>;
-
-  AdaptiveSamplingConvergenceCheckFunction adaptive_sampling_convergence_check;
-
-  AdaptiveSamplingFilterXFunction adaptive_sampling_filter_x;
-  AdaptiveSamplingFilterYFunction adaptive_sampling_filter_y;
-
-  /* Cryptomatte. */
-
-  using CryptomattePostprocessFunction = CPUKernelFunction<void (*)(
-      const KernelGlobals *kg, ccl_global float *render_buffer, int pixel_index)>;
-
-  CryptomattePostprocessFunction cryptomatte_postprocess;
-
-  /* Bake. */
-
-  CPUKernelFunction<void (*)(const KernelGlobals *, float *, int, int, int, int, int)> bake;
-
-  CPUKernels();
-};
-
-CCL_NAMESPACE_END

intern/cycles/device/cpu/kernel_function.h

@@ -1,124 +0,0 @@
-/*
- * Copyright 2011-2021 Blender Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include "util/util_debug.h"
-#include "util/util_system.h"
-
-CCL_NAMESPACE_BEGIN
-
-/* A wrapper around per-microarchitecture variant of a kernel function.
- *
- * Provides a function-call-like API which gets routed to the most suitable implementation.
- *
- * For example, on a computer which only has SSE4.1 the kernel_sse41 will be used. */
-template<typename FunctionType> class CPUKernelFunction {
- public:
-  CPUKernelFunction(FunctionType kernel_default,
-                    FunctionType kernel_sse2,
-                    FunctionType kernel_sse3,
-                    FunctionType kernel_sse41,
-                    FunctionType kernel_avx,
-                    FunctionType kernel_avx2)
-  {
-    kernel_info_ = get_best_kernel_info(
-        kernel_default, kernel_sse2, kernel_sse3, kernel_sse41, kernel_avx, kernel_avx2);
-  }
-
-  template<typename... Args> inline auto operator()(Args... args) const
-  {
-    assert(kernel_info_.kernel);
-
-    return kernel_info_.kernel(args...);
-  }
-
-  const char *get_uarch_name() const
-  {
-    return kernel_info_.uarch_name;
-  }
-
- protected:
-  /* Helper class which allows to pass human-readable microarchitecture name together with function
-   * pointer. */
-  class KernelInfo {
-   public:
-    KernelInfo() : KernelInfo("", nullptr)
-    {
-    }
-
-    /* TODO(sergey): Use string view, to have higher-level functionality (i.e. comparison) without
-     * memory allocation. */
-    KernelInfo(const char *uarch_name, FunctionType kernel)
-        : uarch_name(uarch_name), kernel(kernel)
-    {
-    }
-
-    const char *uarch_name;
-    FunctionType kernel;
-  };
-
-  KernelInfo get_best_kernel_info(FunctionType kernel_default,
-                                  FunctionType kernel_sse2,
-                                  FunctionType kernel_sse3,
-                                  FunctionType kernel_sse41,
-                                  FunctionType kernel_avx,
-                                  FunctionType kernel_avx2)
-  {
-    /* Silence warnings about unused variables when compiling without some architectures. */
-    (void)kernel_sse2;
-    (void)kernel_sse3;
-    (void)kernel_sse41;
-    (void)kernel_avx;
-    (void)kernel_avx2;
-
-#ifdef WITH_CYCLES_OPTIMIZED_KERNEL_AVX2
-    if (DebugFlags().cpu.has_avx2() && system_cpu_support_avx2()) {
-      return KernelInfo("AVX2", kernel_avx2);
-    }
-#endif
-
-#ifdef WITH_CYCLES_OPTIMIZED_KERNEL_AVX
-    if (DebugFlags().cpu.has_avx() && system_cpu_support_avx()) {
-      return KernelInfo("AVX", kernel_avx);
-    }
-#endif
-
-#ifdef WITH_CYCLES_OPTIMIZED_KERNEL_SSE41
-    if (DebugFlags().cpu.has_sse41() && system_cpu_support_sse41()) {
-      return KernelInfo("SSE4.1", kernel_sse41);
-    }
-#endif
-
-#ifdef WITH_CYCLES_OPTIMIZED_KERNEL_SSE3
-    if (DebugFlags().cpu.has_sse3() && system_cpu_support_sse3()) {
-      return KernelInfo("SSE3", kernel_sse3);
-    }
-#endif
-
-#ifdef WITH_CYCLES_OPTIMIZED_KERNEL_SSE2
-    if (DebugFlags().cpu.has_sse2() && system_cpu_support_sse2()) {
-      return KernelInfo("SSE2", kernel_sse2);
-    }
-#endif
-
-    return KernelInfo("default", kernel_default);
-  }
-
-  KernelInfo kernel_info_;
-};
-
-CCL_NAMESPACE_END

intern/cycles/device/cpu/kernel_thread_globals.cpp

@@ -1,85 +0,0 @@
-/*
- * Copyright 2011-2021 Blender Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "device/cpu/kernel_thread_globals.h"
-
-// clang-format off
-#include "kernel/osl/osl_shader.h"
-#include "kernel/osl/osl_globals.h"
-// clang-format on
-
-#include "util/util_profiling.h"
-
-CCL_NAMESPACE_BEGIN
-
-CPUKernelThreadGlobals::CPUKernelThreadGlobals(const KernelGlobals &kernel_globals,
-                                               void *osl_globals_memory,
-                                               Profiler &cpu_profiler)
-    : KernelGlobals(kernel_globals), cpu_profiler_(cpu_profiler)
-{
-  reset_runtime_memory();
-
-#ifdef WITH_OSL
-  OSLShader::thread_init(this, reinterpret_cast<OSLGlobals *>(osl_globals_memory));
-#else
-  (void)osl_globals_memory;
-#endif
-}
-
-CPUKernelThreadGlobals::CPUKernelThreadGlobals(CPUKernelThreadGlobals &&other) noexcept
-    : KernelGlobals(std::move(other)), cpu_profiler_(other.cpu_profiler_)
-{
-  other.reset_runtime_memory();
-}
-
-CPUKernelThreadGlobals::~CPUKernelThreadGlobals()
-{
-#ifdef WITH_OSL
-  OSLShader::thread_free(this);
-#endif
-}
-
-CPUKernelThreadGlobals &CPUKernelThreadGlobals::operator=(CPUKernelThreadGlobals &&other)
-{
-  if (this == &other) {
-    return *this;
-  }
-
-  *static_cast<KernelGlobals *>(this) = *static_cast<KernelGlobals *>(&other);
-
-  other.reset_runtime_memory();
-
-  return *this;
-}
-
-void CPUKernelThreadGlobals::reset_runtime_memory()
-{
-#ifdef WITH_OSL
-  osl = nullptr;
-#endif
-}
-
-void CPUKernelThreadGlobals::start_profiling()
-{
-  cpu_profiler_.add_state(&profiler);
-}
-
-void CPUKernelThreadGlobals::stop_profiling()
-{
-  cpu_profiler_.remove_state(&profiler);
-}
-
-CCL_NAMESPACE_END