CMakeLists.txt

@@ -521,7 +521,8 @@ endif()
 if(NOT APPLE)
   option(WITH_CYCLES_DEVICE_HIP        "Enable Cycles AMD HIP support" ON)
   option(WITH_CYCLES_HIP_BINARIES      "Build Cycles AMD HIP binaries" OFF)
-  set(CYCLES_HIP_BINARIES_ARCH gfx900 gfx906 gfx90c gfx902 gfx1010 gfx1011 gfx1012 gfx1030 gfx1031 gfx1032 gfx1034 gfx1035 gfx1100 gfx1101 gfx1102 CACHE STRING "AMD HIP architectures to build binaries for")
+  # Radeon VII (gfx906) not currently working with HIP SDK, so left out of the list.
+  set(CYCLES_HIP_BINARIES_ARCH gfx900 gfx90c gfx902 gfx1010 gfx1011 gfx1012 gfx1030 gfx1031 gfx1032 gfx1034 gfx1035 gfx1100 gfx1101 gfx1102 CACHE STRING "AMD HIP architectures to build binaries for")
   mark_as_advanced(WITH_CYCLES_DEVICE_HIP)
   mark_as_advanced(CYCLES_HIP_BINARIES_ARCH)
 endif()

build_files/cmake/Modules/FindHIP.cmake

@@ -37,18 +37,24 @@ elseif(HIP_HIPCC_EXECUTABLE)
   set(HIP_VERSION_MINOR 0)
   set(HIP_VERSION_PATCH 0)
 
+  if(WIN32)
+    set(_hipcc_executable ${HIP_HIPCC_EXECUTABLE}.bat)
+  else()
+    set(_hipcc_executable ${HIP_HIPCC_EXECUTABLE})
+  endif()
+
   # Get version from the output.
-  execute_process(COMMAND ${HIP_HIPCC_EXECUTABLE} --version
+  execute_process(COMMAND ${_hipcc_executable} --version
-                  OUTPUT_VARIABLE HIP_VERSION_RAW
+                  OUTPUT_VARIABLE _hip_version_raw
                   ERROR_QUIET
                   OUTPUT_STRIP_TRAILING_WHITESPACE)
 
   # Parse parts.
-  if(HIP_VERSION_RAW MATCHES "HIP version: .*")
+  if(_hip_version_raw MATCHES "HIP version: .*")
     # Strip the HIP prefix and get list of individual version components.
     string(REGEX REPLACE
            ".*HIP version: ([.0-9]+).*" "\\1"
-           HIP_SEMANTIC_VERSION "${HIP_VERSION_RAW}")
+           HIP_SEMANTIC_VERSION "${_hip_version_raw}")
     string(REPLACE "." ";" HIP_VERSION_PARTS "${HIP_SEMANTIC_VERSION}")
     list(LENGTH HIP_VERSION_PARTS NUM_HIP_VERSION_PARTS)
 
@@ -71,7 +77,13 @@ elseif(HIP_HIPCC_EXECUTABLE)
 
   # Construct full semantic version.
   set(HIP_VERSION "${HIP_VERSION_MAJOR}.${HIP_VERSION_MINOR}.${HIP_VERSION_PATCH}")
-  unset(HIP_VERSION_RAW)
+  unset(_hip_version_raw)
+  unset(_hipcc_executable)
 else()
   set(HIP_FOUND FALSE)
 endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(HIP
+    REQUIRED_VARS HIP_HIPCC_EXECUTABLE
+    VERSION_VAR HIP_VERSION)

build_files/cmake/config/blender_release.cmake

@@ -82,7 +82,7 @@ if(NOT APPLE)
   set(WITH_CYCLES_DEVICE_OPTIX    ON  CACHE BOOL "" FORCE)
   set(WITH_CYCLES_CUDA_BINARIES   ON  CACHE BOOL "" FORCE)
   set(WITH_CYCLES_CUBIN_COMPILER  OFF CACHE BOOL "" FORCE)
-  set(WITH_CYCLES_HIP_BINARIES    OFF CACHE BOOL "" FORCE)
+  set(WITH_CYCLES_HIP_BINARIES    ON  CACHE BOOL "" FORCE)
   set(WITH_CYCLES_DEVICE_ONEAPI   ON  CACHE BOOL "" FORCE)
   set(WITH_CYCLES_ONEAPI_BINARIES ON  CACHE BOOL "" FORCE)
 endif()

build_files/config/pipeline_config.yaml

@@ -9,7 +9,7 @@ buildbot:
     cuda11:
         version: '11.4.1'
     hip:
-        version: '5.3.22480'
+        version: '5.5.30571'
     optix:
         version: '7.3.0'
     ocloc:

intern/cycles/blender/addon/properties.py

@@ -1683,9 +1683,6 @@ class CyclesPreferences(bpy.types.AddonPreferences):
                 col.label(text=iface_("and NVIDIA driver version %s or newer") % driver_version,
                           icon='BLANK1', translate=False)
             elif device_type == 'HIP':
-                if True:
-                    col.label(text="HIP temporarily disabled due to compiler bugs", icon='BLANK1')
-                else:
                 import sys
                 if sys.platform[:3] == "win":
                     driver_version = "21.Q4"
@@ -1693,6 +1690,9 @@ class CyclesPreferences(bpy.types.AddonPreferences):
                     col.label(text=iface_("and AMD Radeon Pro %s driver or newer") % driver_version,
                               icon='BLANK1', translate=False)
                 elif sys.platform.startswith("linux"):
+                    if True:
+                        col.label(text="HIP temporarily disabled due to compiler bugs", icon='BLANK1')
+                    else:
                         driver_version = "22.10"
                         col.label(text="Requires AMD GPU with Vega or RDNA architecture", icon='BLANK1')
                         col.label(text=iface_("and AMD driver version %s or newer") % driver_version, icon='BLANK1',

intern/cycles/cmake/external_libs.cmake

@@ -42,15 +42,19 @@ endif()
 ###########################################################################
 
 if(WITH_CYCLES_HIP_BINARIES AND WITH_CYCLES_DEVICE_HIP)
+  if(UNIX)
+    # Disabled until there is a HIP 5.5 release for Linux.
     set(WITH_CYCLES_HIP_BINARIES OFF)
     message(STATUS "HIP temporarily disabled due to compiler bugs")
+  else()
+    # Need at least HIP 5.5 to solve compiler bug affecting the kernel.
+    find_package(HIP 5.5.0)
+    set_and_warn_library_found("HIP compiler" HIP_FOUND WITH_CYCLES_HIP_BINARIES)
 
-  # find_package(HIP)
+    if(HIP_FOUND)
-  # set_and_warn_library_found("HIP compiler" HIP_FOUND WITH_CYCLES_HIP_BINARIES)
+      message(STATUS "Found HIP ${HIP_HIPCC_EXECUTABLE} (${HIP_VERSION})")
-
+    endif()
-  # if(HIP_FOUND)
+  endif()
-  #   message(STATUS "Found HIP ${HIP_HIPCC_EXECUTABLE} (${HIP_VERSION})")
-  # endif()
 endif()
 
 if(NOT WITH_HIP_DYNLOAD)

intern/cycles/device/hip/device.cpp

@@ -137,7 +137,7 @@ void device_hip_info(vector<DeviceInfo> &devices)
     info.num = num;
 
     info.has_nanovdb = true;
-    info.has_light_tree = false;
+    info.has_light_tree = true;
     info.denoisers = 0;
 
     info.has_gpu_queue = true;

intern/cycles/kernel/types.h

@@ -79,9 +79,8 @@ CCL_NAMESPACE_BEGIN
 #define __VISIBILITY_FLAG__
 #define __VOLUME__
 
-/* TODO: solve internal compiler errors and enable light tree on HIP. */
 /* TODO: solve internal compiler perf issue and enable light tree on Metal/AMD. */
-#if defined(__KERNEL_HIP__) || defined(__KERNEL_METAL_AMD__)
+#if defined(__KERNEL_METAL_AMD__)
 #  undef __LIGHT_TREE__
 #endif