Merge branch 'master' into soc-2014-viewport_fx

I have resolved some differences, for instance selection code which was more or less a stub, to be
the same as master. This will have to be fixed later.

Conflicts:
	CMakeLists.txt
	intern/ghost/CMakeLists.txt
	intern/ghost/intern/GHOST_SystemWin32.cpp
	intern/ghost/intern/GHOST_Window.cpp
	intern/ghost/intern/GHOST_WindowWin32.cpp
	intern/ghost/intern/GHOST_WindowX11.cpp
	source/blender/blenlib/BLI_math_matrix.h
	source/blender/blenlib/intern/math_matrix.c
	source/blender/gpu/CMakeLists.txt
	source/blender/gpu/GPU_select.h
	source/blender/gpu/intern/gpu_buffers.c
	source/blender/gpu/intern/gpu_draw.c
	source/blender/gpu/intern/gpu_extensions.c
	source/blender/gpu/intern/gpu_select.c
	source/blender/gpu/shaders/gpu_shader_simple_vert.glsl
	source/blender/nodes/CMakeLists.txt

CMakeLists.txt

@@ -156,27 +156,51 @@ option(WITH_COMPOSITOR    "Enable the tile based nodal compositor" ON)
 option(WITH_GHOST_DEBUG   "Enable debugging output for the GHOST library" OFF)
 mark_as_advanced(WITH_GHOST_DEBUG)
 
-option(WITH_GHOST_SDL    "Enable building blender against SDL for windowing rather then the native APIs" OFF)
+option(WITH_GHOST_SDL     "Enable building blender against SDL for windowing rather then the native APIs" OFF)
 mark_as_advanced(WITH_GHOST_SDL)
 
 # Misc...
 option(WITH_HEADLESS      "Build without graphical support (renderfarm, server mode only)" OFF)
 mark_as_advanced(WITH_HEADLESS)
 
-option(WITH_AUDASPACE    "Build with blenders audio library (only disable if you know what you're doing!)" ON)
+option(WITH_AUDASPACE     "Build with blenders audio library (only disable if you know what you're doing!)" ON)
 mark_as_advanced(WITH_AUDASPACE)
 
 option(WITH_OPENMP        "Enable OpenMP (has to be supported by the compiler)" ON)
 
 if(UNIX AND NOT APPLE)
-	option(WITH_X11_XINPUT "Enable X11 Xinput (tablet support and unicode input)"	ON)
-	option(WITH_X11_XF86VMODE "Enable X11 video mode switching"	ON)
-	option(WITH_SYSTEM_GLEW "Use GLEW OpenGL wrapper library provided by the operating system" ON)
+	set(_WITH_X11 ON)
+else()
+	set(_WITH_X11 OFF)
+endif()
 
-	option(WITH_GHOST_XDND   "Enable drag'n'drop support on X11 using XDND protocol" ON)
+option(WITH_X11 "Use X11 library (on any non-unix system this is for development purposes only)" ${_WITH_X11})
+unset(_WITH_X11)
+mark_as_advanced(WITH_X11)
+
+if(WITH_X11)
+	if(APPLE)
+		set(_X11_EXTRAS OFF)
+	else()
+		set(_X11_EXTRAS ON)
+	endif()
+
+	option(WITH_X11_XINPUT    "Enable X11 Xinput (tablet support and unicode input)"  _X11_EXTRAS)
+	option(WITH_X11_XF86VMODE "Enable X11 video mode switching"                       _X11_EXTRAS)
+
+	unset(_X11_EXTRAS)
+
+	option(WITH_GHOST_XDND    "Enable drag'n'drop support on X11 using XDND protocol" ON)
+
+endif()
+
+if(UNIX AND NOT_APPLE)
+	option(WITH_SYSTEM_GLEW "Use GLEW OpenGL wrapper library provided by the operating system" ON)
+	option(WITH_SYSTEM_GLES "Use OpenGL ES library provided by the operating system"           ON)
 else()
 	# not an option for other OS's
 	set(WITH_SYSTEM_GLEW OFF)
+	set(WITH_SYSTEM_GLES OFF)
 endif()
 
 
@@ -315,6 +339,35 @@ endif()
 # Unit testsing
 option(WITH_GTESTS "Enable GTest unit testing" OFF)
 
+# OpenGL
+
+option(WITH_GLEW_MX             "Support multiple GLEW contexts (experimental)"                                                                                ON )
+option(WITH_GLEW_ES             "Switches to experimental copy of GLEW that has support for OpenGL ES. (temporary option for development purposes)"            OFF)
+option(WITH_GLU                 "Provide the GL Utility Library (GLU). Only works with the 'compatibiity' profile. (deprecated)"                               ON )
+option(WITH_GL_CONTEXT_DESKTOP  "Support using the AGL/WGL/XGL system library to initialize OpenGL. Can access 3.2+ core, compatibility, and 2.0 ES profiles." ON )
+option(WITH_GL_CONTEXT_EMBEDDED "Support using the EGL system library to initialize OpenGL ES."                                                                OFF)
+option(WITH_GL_PROFILE_COMPAT   "Support using the OpenGL 'compatibility' profile. (deprecated)"                                                               ON )
+option(WITH_GL_PROFILE_CORE     "Support using the OpenGL 3.2+ 'core' profile."                                                                                OFF)
+option(WITH_GL_PROFILE_ES20     "Support using OpenGL ES 2.0. (thru either EGL or the AGL/WGL/XGL 'es20' profile)"                                             OFF)
+
+mark_as_advanced(
+	WITH_GLEW_MX
+	WITH_GLEW_ES
+	WITH_GLU
+	WITH_GL_CONTEXT_DESKTOP
+	WITH_GL_CONTEXT_EMBEDDED
+	WITH_GL_PROFILE_COMPAT
+	WITH_GL_PROFILE_CORE
+	WITH_GL_PROFILE_ES20
+)
+
+if(WIN32)
+	option(WITH_ANGLE "Link with the ANGLE library, an OpenGL ES 2.0 implementation based on Direct3D, instead of the system OpenGL library." OFF)
+	mark_as_advanced(WITH_ANGLE)
+endif()
+
+# Apple
+
 if(APPLE)
 	cmake_minimum_required(VERSION 2.8.8)
 	cmake_policy(VERSION 2.8.8)
@@ -509,9 +562,10 @@ if(WITH_INSTALL_PORTABLE)
 endif()
 
 if(WITH_GHOST_SDL OR WITH_HEADLESS)
-	set(WITH_GHOST_XDND OFF)
+	set(WITH_X11           OFF)
+	set(WITH_X11_XINPUT    OFF)
 	set(WITH_X11_XF86VMODE OFF)
-	set(WITH_X11_XINPUT OFF)
+	set(WITH_GHOST_XDND    OFF)
 endif()
 
 TEST_SSE_SUPPORT(COMPILER_SSE_FLAG COMPILER_SSE2_FLAG)
@@ -593,6 +647,35 @@ set(PLATFORM_LINKFLAGS_DEBUG "")
 #-----------------------------------------------------------------------------
 #Platform specifics
 
+if(WITH_X11)
+	find_package(X11 REQUIRED)
+
+	find_path(X11_XF86keysym_INCLUDE_PATH X11/XF86keysym.h ${X11_INC_SEARCH_PATH})
+	mark_as_advanced(X11_XF86keysym_INCLUDE_PATH)
+
+	list(APPEND PLATFORM_LINKLIBS ${X11_X11_LIB})
+
+	if(WITH_X11_XINPUT)
+		if(X11_Xinput_LIB)
+			list(APPEND PLATFORM_LINKLIBS ${X11_Xinput_LIB})
+		else()
+			set(WITH_X11_XINPUT OFF)
+		endif()
+	endif()
+
+	if(WITH_X11_XF86VMODE)
+		# XXX, why dont cmake make this available?
+		FIND_LIBRARY(X11_Xxf86vmode_LIB Xxf86vm   ${X11_LIB_SEARCH_PATH})
+		mark_as_advanced(X11_Xxf86vmode_LIB)
+		if(X11_Xxf86vmode_LIB)
+			list(APPEND PLATFORM_LINKLIBS ${X11_Xxf86vmode_LIB})
+		else()
+			set(WITH_X11_XF86VMODE OFF)
+		endif()
+	endif()
+
+endif()
+
 if(UNIX AND NOT APPLE)
 	macro(find_package_wrapper)
 		string(TOUPPER ${ARGV0} _NAME_UPPER)
@@ -901,33 +984,6 @@ if(UNIX AND NOT APPLE)
 	# OpenSuse needs lutil, ArchLinux not, for now keep, can avoid by using --as-needed
 	list(APPEND PLATFORM_LINKLIBS -lutil -lc -lm -lpthread)
 
-	if((NOT WITH_HEADLESS) AND (NOT WITH_GHOST_SDL))
-		find_package(X11 REQUIRED)
-		find_path(X11_XF86keysym_INCLUDE_PATH X11/XF86keysym.h ${X11_INC_SEARCH_PATH})
-		mark_as_advanced(X11_XF86keysym_INCLUDE_PATH)
-
-		list(APPEND PLATFORM_LINKLIBS ${X11_X11_LIB})
-
-		if(WITH_X11_XINPUT)
-			if(X11_Xinput_LIB)
-				list(APPEND PLATFORM_LINKLIBS ${X11_Xinput_LIB})
-			else()
-				set(WITH_X11_XINPUT OFF)
-			endif()
-		endif()
-
-		if(WITH_X11_XF86VMODE)
-			# XXX, why dont cmake make this available?
-			find_library(X11_Xxf86vmode_LIB Xxf86vm   ${X11_LIB_SEARCH_PATH})
-			mark_as_advanced(X11_Xxf86vmode_LIB)
-			if(X11_Xxf86vmode_LIB)
-				list(APPEND PLATFORM_LINKLIBS ${X11_Xxf86vmode_LIB})
-			else()
-				set(WITH_X11_XF86VMODE OFF)
-			endif()
-		endif()
-	endif()
-
 	if(CMAKE_SYSTEM_NAME MATCHES "Linux")
 		if(NOT WITH_PYTHON_MODULE)
 			# binreloc is linux only
@@ -982,7 +1038,6 @@ elseif(WIN32)
 	add_definitions(-DWIN32)
 
 	if(MSVC)
-
 		# needed for some MSVC installations
 		set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /SAFESEH:NO")
 		set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SAFESEH:NO")
@@ -1057,7 +1112,7 @@ elseif(WIN32)
 		set(CXX_WARNINGS "${_WARNINGS}")
 		unset(_WARNINGS)
 
-		set(PLATFORM_LINKFLAGS "/SUBSYSTEM:CONSOLE /STACK:2097152 /INCREMENTAL:NO /NODEFAULTLIB:msvcrt.lib /NODEFAULTLIB:msvcmrt.lib /NODEFAULTLIB:msvcurt.lib /NODEFAULTLIB:msvcrtd.lib")
+		set(PLATFORM_LINKFLAGS "/SAFESEH:NO /SUBSYSTEM:CONSOLE /STACK:2097152 /INCREMENTAL:NO /NODEFAULTLIB:msvcrt.lib /NODEFAULTLIB:msvcmrt.lib /NODEFAULTLIB:msvcurt.lib /NODEFAULTLIB:msvcrtd.lib")
 
 		# MSVC only, Mingw doesnt need
 		if(CMAKE_CL_64)
@@ -1100,6 +1155,10 @@ elseif(WIN32)
 		set(ZLIB_INCLUDE_DIR ${LIBDIR}/zlib/include)
 		set(ZLIB_LIBRARY ${LIBDIR}/zlib/lib/libz_st.lib)
 		set(ZLIB_DIR ${LIBDIR}/zlib)
+		# XXX: Cmake bug(?) workaround for zlib and png:
+		# FindPNG.cmake calls find_package(zlib) and for some reason that redundant call causes both zlib and png to not be found properly.
+		# (Or, at least they complain, as this does not seem to cause a build error later)
+		# Since zlib will be found by find_package(png), it should be OK to not call find_package(zlib) explicitly.
 		#find_package(zlib) # we want to find before finding things that depend on it like png
 
 
@@ -2069,10 +2128,113 @@ endif()
 
 #-----------------------------------------------------------------------------
 # Configure OpenGL.
-find_package(OpenGL)
-blender_include_dirs_sys("${OPENGL_INCLUDE_DIR}")
-# unset(OPENGL_LIBRARIES CACHE) # not compat with older cmake
-# unset(OPENGL_xmesa_INCLUDE_DIR CACHE) # not compat with older cmake
+
+if(APPLE AND WITH_X11)
+	set(OPENGL_gl_LIBRARY  "/usr/X11R6/lib/libGL.dylib")
+	set(OPENGL_glu_LIBRARY "/usr/X11R6/lib/libGLU.dylib")
+elseif(WITH_GL_CONTEXT_DESKTOP OR WITH_GLU OR (WITH_CYCLES_STANDALONE AND WITH_CYCLES_STANDALONE_GUI))
+	find_package(OpenGL)
+endif()
+
+if(WITH_GLU)
+	list(APPEND BLENDER_GL_LIBRARIES "${OPENGL_glu_LIBRARY}")
+
+	set(GL_DEFINITIONS "${GL_DEFINITIONS} -DWITH_GLU")
+
+endif()
+
+if(WITH_GL_CONTEXT_DESKTOP)
+	list(APPEND BLENDER_GL_LIBRARIES "${OPENGL_gl_LIBRARY}")
+
+elseif(WITH_GL_CONTEXT_EMBEDDED)
+	if(WITH_SYSTEM_GLES)
+		find_package_wrapper(OpenGLES)
+
+		if(OPENGLES_FOUND)
+			list(APPEND BLENDER_GL_LIBRARIES OPENGLES_LIBRARIES)
+		else()
+			message(FATAL_ERROR "Unable to find OpenGL ES libraries.  Install them or disable WITH_SYSTEM_GLES.")
+		endif()
+
+	else()
+		set(OPENGLES_LIBRARY     "" CACHE FILEPATH "OpenGL ES 2.0 library file")
+		set(OPENGLES_EGL_LIBRARY "" CACHE FILEPATH "EGL library file")
+
+		mark_as_advanced(
+			OPENGLES_LIBRARY
+			OPENGLES_EGL_LIBRARY
+		)
+
+		list(APPEND BLENDER_GL_LIBRARIES "${OPENGLES_LIBRARY}" "${OPENGLES_EGL_LIBRARY}")
+
+		if (OPENGLES_LIBRARY STREQUAL "")
+			message(FATAL_ERROR "To compile WITH_GL_CONTEXT_EMBEDDED you need to set OPENGLES_LIBRARY to the file path of an OpenGL ES 2.0 library.")
+		endif()
+
+		if (OPENGLES_EGL_LIBRARY STREQUAL "")
+			message(FATAL_ERROR "To compile WITH_GL_CONTEXT_EMBEDDED you need to set OPENGLES_EGL_LIBRARY to the file path of an EGL library.")
+		endif()
+
+	endif()
+
+	if(WIN32)
+		# Setup paths to files needed to install and redistribute Windows Blender with OpenGL ES
+
+		set(OPENGLES_DLL     "" CACHE FILEPATH "OpenGL ES 2.0 redistributable DLL file")
+		set(OPENGLES_EGL_DLL "" CACHE FILEPATH "EGL redistributable DLL file")
+
+		mark_as_advanced(
+			OPENGLES_DLL
+			OPENGLES_EGL_DLL
+		)
+
+		if (OPENGLES_DLL STREQUAL "")
+			message(FATAL_ERROR "To compile WITH_GL_CONTEXT_EMBEDDED you need to set OPENGLES_DLL to the file path of an OpenGL ES runtime dynamic link library (DLL).")
+		endif()
+
+		if (OPENGLES_EGL_DLL STREQUAL "")
+			message(FATAL_ERROR "To compile WITH_GL_CONTEXT_EMBEDDED you need to set OPENGLES_EGL_DLL to the file path of an EGL runtime dynamic link library (DLL).")
+		endif()
+
+		if(WITH_ANGLE)
+			set(GL_DEFINITIONS "${GL_DEFINITIONS} -DWITH_ANGLE")
+
+			set(D3DCOMPILER_DLL "" CACHE FILEPATH "Direct3D Compiler redistributable DLL file (needed by ANGLE)")
+
+			get_filename_component(D3DCOMPILER_FILENAME "${D3DCOMPILER_DLL}" NAME)
+			set(GL_DEFINITIONS "${GL_DEFINITIONS} -DD3DCOMPILER=\"\\\"${D3DCOMPILER_FILENAME}\\\"\"")
+
+			mark_as_advanced(D3DCOMPILER_DLL)
+
+			if (D3DCOMPILER_DLL STREQUAL "")
+				message(FATAL_ERROR "To compile WITH_ANGLE you need to set D3DCOMPILER_DLL to the file path of a copy of the DirectX redistributable DLL file: D3DCompiler_46.dll")
+			endif()
+
+		endif()
+
+	endif()
+
+endif()
+
+if(WITH_GL_PROFILE_COMPAT)
+	set(GL_DEFINITIONS "${GL_DEFINITIONS} -DWITH_GL_PROFILE_COMPAT")
+endif()
+
+if(WITH_GL_PROFILE_CORE)
+	set(GL_DEFINITIONS "${GL_DEFINITIONS} -DWITH_GL_PROFILE_CORE")
+endif()
+
+if(WITH_GL_PROFILE_ES20)
+	set(GL_DEFINITIONS "${GL_DEFINITIONS} -DWITH_GL_PROFILE_ES20")
+endif()
+
+if(WITH_GL_CONTEXT_DESKTOP)
+	set(GL_DEFINITIONS "${GL_DEFINITIONS} -DWITH_GL_CONTEXT_DESKTOP")
+endif()
+
+if(WITH_GL_CONTEXT_EMBEDDED)
+	set(GL_DEFINITIONS "${GL_DEFINITIONS} -DWITH_GL_CONTEXT_EMBEDDED")
+endif()
 
 #-----------------------------------------------------------------------------
 # Configure OpenMP.
@@ -2094,19 +2256,88 @@ endif()
 #-----------------------------------------------------------------------------
 # Configure GLEW
 
+if(WITH_GLEW_MX)
+	set(GL_DEFINITIONS "${GL_DEFINITIONS} -DGLEW_MX")
+endif()
+
+if(APPLE AND WITH_X11)
+	list(APPEND GL_DEFINITIONS -DGLEW_APPLE_GLX)
+endif()
+
 if(WITH_SYSTEM_GLEW)
 	find_package(GLEW)
 
+	# Note: There is an assumption here that the system GLEW is not a static library.
+
 	if(NOT GLEW_FOUND)
-		message(FATAL_ERROR "GLEW is required to build blender, install it or disable WITH_SYSTEM_GLEW")
+		message(FATAL_ERROR "GLEW is required to build Blender.  Install it or disable WITH_SYSTEM_GLEW.")
 	endif()
 
-	set(GLEW_INCLUDE_PATH "${GLEW_INCLUDE_DIRS}")
+	mark_as_advanced(
+		GLEW_LIBRARY
+		GLEW_INCLUDE_PATH
+	)
+
+	set(BLENDER_GLEW_LIBRARIES ${GLEW_LIBRARY})
+
 else()
-	# set(GLEW_LIBRARY "")  # unused
-	set(GLEW_INCLUDE_PATH "${CMAKE_SOURCE_DIR}/extern/glew/include")
+	if(WITH_GLEW_ES)
+		set(GLEW_INCLUDE_PATH "${CMAKE_SOURCE_DIR}/extern/glew-es/include")
+
+		set(GL_DEFINITIONS "${GL_DEFINITIONS} -DGLEW_STATIC -DWITH_GLEW_ES")
+
+		# These definitions remove APIs from glew.h, making GLEW smaller, and catching unguarded API usage
+		if(NOT WITH_GL_PROFILE_ES20)
+			# No ES functions are needed
+			set(GL_DEFINITIONS "${GL_DEFINITIONS} -DGLEW_NO_ES")
+		elseif(NOT (WITH_GL_PROFILE_CORE OR WITH_GL_PROFILE_COMPAT))
+			# ES is enabled, but the other functions are all disabled
+			set(GL_DEFINITIONS "${GL_DEFINITIONS} -DGLEW_ES_ONLY")
+		endif()
+
+		if(WITH_GL_PROFILE_ES20)
+			if(WITH_GL_CONTEXT_EMBEDDED)
+				set(GL_DEFINITIONS "${GL_DEFINITIONS} -DGLEW_USE_LIB_ES20")
+			endif()
+
+			# XXX: This is an experiment to eliminate ES 1 symbols,
+			# GLEW doesn't really properly provide this level of control
+			# (for example, without modification it eliminates too many symbols)
+			# so there are lots of modifications to GLEW to make this work,
+			# and no attempt to make it work beyond Blender at this point.
+			set(GL_DEFINITIONS "${GL_DEFINITIONS} -DGL_ES_VERSION_1_0=0")
+			set(GL_DEFINITIONS "${GL_DEFINITIONS} -DGL_ES_VERSION_CL_1_1=0")
+			set(GL_DEFINITIONS "${GL_DEFINITIONS} -DGL_ES_VERSION_CM_1_1=0")
+		endif()
+
+		if(WITH_GL_CONTEXT_EMBEDDED)
+			set(GL_DEFINITIONS "${GL_DEFINITIONS} -DGLEW_INC_EGL")
+		endif()
+
+		set(BLENDER_GLEW_LIBRARIES extern_glew_es bf_intern_glew_mx)
+
+	else()
+		set(GLEW_INCLUDE_PATH "${CMAKE_SOURCE_DIR}/extern/glew/include")
+
+		set(GL_DEFINITIONS "${GL_DEFINITIONS} -DGLEW_STATIC")
+
+		# This won't affect the non-experimental glew library, 
+		# but is used for conditional compilation elsewhere.
+		set(GL_DEFINITIONS "${GL_DEFINITIONS} -DGLEW_NO_ES")
+
+		set(BLENDER_GLEW_LIBRARIES extern_glew)
+
+	endif()
+
 endif()
 
+if(WITH_GLEW_MX)
+	list(APPEND BLENDER_GLEW_LIBRARIES bf_intern_glew_mx)
+endif()
+
+if(NOT WITH_GLU)
+	set(GL_DEFINITIONS "${GL_DEFINITIONS} -DGLEW_NO_GLU")
+endif()
 
 #-----------------------------------------------------------------------------
 # Configure Bullet
@@ -2472,6 +2703,18 @@ if(FIRST_RUN)
 	info_cfg_option(WITH_MOD_FLUID)
 	info_cfg_option(WITH_MOD_OCEANSIM)
 
+	info_cfg_text("OpenGL:")
+	info_cfg_option(WITH_GLEW_ES)
+	info_cfg_option(WITH_GLU)
+	info_cfg_option(WITH_GL_CONTEXT_DESKTOP)
+	info_cfg_option(WITH_GL_CONTEXT_EMBEDDED)
+	info_cfg_option(WITH_GL_PROFILE_COMPAT)
+	info_cfg_option(WITH_GL_PROFILE_CORE)
+	info_cfg_option(WITH_GL_PROFILE_ES20)
+	if(WIN32)
+		info_cfg_option(WITH_ANGLE)
+	endif()
+
 	info_cfg_text("Other:")
 	info_cfg_option(WITH_OPENNL)
 

build_files/cmake/Modules/FindOpenGLES.cmake

@@ -0,0 +1,51 @@
+# - Try to find OpenGLES
+# Once done this will define
+#
+#  OPENGLES_FOUND           - system has OpenGLES and EGL
+#  OPENGL_EGL_FOUND         - system has EGL
+#  OPENGLES_INCLUDE_DIR     - the GLES include directory
+#  OPENGLES_LIBRARY         - the GLES library
+#  OPENGLES_EGL_INCLUDE_DIR - the EGL include directory
+#  OPENGLES_EGL_LIBRARY     - the EGL library
+#  OPENGLES_LIBRARIES       - all libraries needed for OpenGLES
+#  OPENGLES_INCLUDES        - all includes needed for OpenGLES
+
+FIND_PATH(OPENGLES_INCLUDE_DIR GLES2/gl2.h
+  /usr/openwin/share/include
+  /opt/graphics/OpenGL/include /usr/X11R6/include
+  /usr/include
+)
+
+FIND_LIBRARY(OPENGLES_LIBRARY
+  NAMES GLESv2
+  PATHS /opt/graphics/OpenGL/lib
+        /usr/openwin/lib
+        /usr/shlib /usr/X11R6/lib
+        /usr/lib
+)
+
+FIND_PATH(OPENGLES_EGL_INCLUDE_DIR EGL/egl.h
+  /usr/openwin/share/include
+  /opt/graphics/OpenGL/include /usr/X11R6/include
+  /usr/include
+)
+
+FIND_LIBRARY(OPENGLES_EGL_LIBRARY
+    NAMES EGL
+    PATHS /usr/shlib /usr/X11R6/lib
+          /usr/lib
+)
+
+SET(OPENGL_EGL_FOUND "NO")
+IF(OPENGLES_EGL_LIBRARY AND OPENGLES_EGL_INCLUDE_DIR)
+    SET(OPENGL_EGL_FOUND "YES")
+ENDIF()
+
+SET(OPENGLES_FOUND "NO")
+IF(OPENGLES_LIBRARY AND OPENGLES_INCLUDE_DIR AND
+   OPENGLES_EGL_LIBRARY AND OPENGLES_EGL_INCLUDE_DIR)
+    SET(OPENGLES_LIBRARIES ${OPENGLES_LIBRARY} ${OPENGLES_LIBRARIES}
+                           ${OPENGLES_EGL_LIBRARY})
+    SET(OPENGLES_INCLUDES ${OPENGLES_INCLUDE_DIR} ${OPENGLES_EGL_INCLUDE_DIR})
+    SET(OPENGLES_FOUND "YES")
+ENDIF()

build_files/cmake/buildinfo.cmake

@@ -60,7 +60,8 @@ if(EXISTS ${SOURCE_DIR}/.git)
 			execute_process(COMMAND git log HEAD..@{u}
 			                WORKING_DIRECTORY ${SOURCE_DIR}
 			                OUTPUT_VARIABLE _git_below_check
-			                OUTPUT_STRIP_TRAILING_WHITESPACE)
+			                OUTPUT_STRIP_TRAILING_WHITESPACE
+			                ERROR_QUIET)
 			if(NOT _git_below_check STREQUAL "")
 				# If there're commits between HEAD and upstream this means
 				# that we're reset-ed to older revision. Use it's hash then.

build_files/cmake/macros.cmake

@@ -284,8 +284,7 @@ macro(setup_liblinks
 	set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${PLATFORM_LINKFLAGS_DEBUG}")
 
 	target_link_libraries(${target}
-			${OPENGL_gl_LIBRARY}
-			${OPENGL_glu_LIBRARY}
+			${BLENDER_GL_LIBRARIES}
 			${PNG_LIBRARIES}
 			${ZLIB_LIBRARIES}
 			${FREETYPE_LIBRARY})
@@ -305,7 +304,7 @@ macro(setup_liblinks
 	endif()
 
 	if(WITH_SYSTEM_GLEW)
-		target_link_libraries(${target} ${GLEW_LIBRARY})
+		target_link_libraries(${target} ${BLENDER_GLEW_LIBRARIES})
 	endif()
 	if(WITH_BULLET AND WITH_SYSTEM_BULLET)
 		target_link_libraries(${target} ${BULLET_LIBRARIES})
@@ -359,9 +358,12 @@ macro(setup_liblinks
 	endif()
 	if(WITH_CODEC_FFMPEG)
 
-		# Strange!, without this ffmpeg gives linking errors (on linux)
-		# even though its linked above
-		target_link_libraries(${target} ${OPENGL_glu_LIBRARY})
+		# Strange! Without this ffmpeg gives linking errors (on linux),
+		# even though it's linked above.
+		# XXX: Does FFMPEG depend on GLU?
+		if(WITH_GLU)
+			target_link_libraries(${target} ${OPENGL_glu_LIBRARY})
+		endif()
 
 		target_link_libraries(${target} ${FFMPEG_LIBRARIES})
 	endif()
@@ -574,7 +576,7 @@ macro(SETUP_BLENDER_SORTED_LIBS)
 	endif()
 
 	if(NOT WITH_SYSTEM_GLEW)
-		list(APPEND BLENDER_SORTED_LIBS extern_glew)
+		list(APPEND BLENDER_SORTED_LIBS ${BLENDER_GLEW_LIBRARIES})
 	endif()
 
 	if(WITH_BINRELOC)

extern/CMakeLists.txt

@@ -47,7 +47,14 @@ if(WITH_BINRELOC)
 endif()
 
 if(NOT WITH_SYSTEM_GLEW)
-	add_subdirectory(glew)
+	if((NOT WITH_GLEW_ES) OR (WITH_CYCLES_STANDALONE AND WITH_CYCLES_STANDALONE_GUI))
+		add_subdirectory(glew)
+	endif()
+
+	if(WITH_GLEW_ES)
+		add_subdirectory(glew-es)
+	endif()
+
 endif()
 
 if(WITH_GAMEENGINE)
@@ -79,10 +86,8 @@ if(WITH_MOD_BOOLEAN)
 	add_subdirectory(carve)
 endif()
 
-if(WITH_GHOST_XDND)
-	if(UNIX AND NOT APPLE)
-		add_subdirectory(xdnd)
-	endif()
+if(WITH_X11 AND WITH_GHOST_XDND)
+	add_subdirectory(xdnd)
 endif()
 
 if(WITH_GTESTS)

extern/glew-es/CMakeLists.txt

@@ -0,0 +1,52 @@
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# The Original Code is Copyright (C) 2013, Blender Foundation
+# All rights reserved.
+#
+# The Original Code is: all of this file.
+#
+# Contributor(s): Jason Wilkins
+#
+# ***** END GPL LICENSE BLOCK *****
+
+set(INC
+	include
+)
+
+set(INC_SYS
+
+)
+
+if(UNIX)
+	list(APPEND INC_SYS
+		${X11_X11_INCLUDE_PATH}
+	)
+endif()
+
+set(SRC
+	src/glew.c
+
+	include/GL/eglew.h
+	include/GL/glesew.h
+	include/GL/glew.h
+	include/GL/glxew.h
+	include/GL/wglew.h
+)
+
+add_definitions(${GL_DEFINITIONS})
+
+blender_add_lib(extern_glew_es "${SRC}" "${INC}" "${INC_SYS}")

extern/glew/CMakeLists.txt

@@ -45,6 +45,6 @@ set(SRC
 	include/GL/wglew.h
 )
 
-add_definitions(-DGLEW_STATIC)
+add_definitions(${GL_DEFINITIONS})
 
 blender_add_lib(extern_glew "${SRC}" "${INC}" "${INC_SYS}")

intern/CMakeLists.txt

@@ -31,6 +31,7 @@ add_subdirectory(memutil)
 add_subdirectory(opencolorio)
 add_subdirectory(mikktspace)
 add_subdirectory(raskter)
+add_subdirectory(glew-mx)
 
 if(WITH_AUDASPACE)
 	add_subdirectory(audaspace)

intern/cycles/app/CMakeLists.txt

@@ -20,9 +20,9 @@ set(LIBRARIES
 	cycles_subd
 	cycles_util
 	${BOOST_LIBRARIES}
-	${OPENEXR_LIBRARIES}
 	${OPENGL_LIBRARIES}
-	${CYCLES_GLEW_LIBRARY}
+	${CYCLES_APP_GLEW_LIBRARY}
+	bf_intern_glew_mx
 	${OPENIMAGEIO_LIBRARIES}
 	${PNG_LIBRARIES}
 	${JPEG_LIBRARIES}
@@ -32,6 +32,8 @@ set(LIBRARIES
 	extern_cuew
 )
 
+add_definitions(${GL_DEFINITIONS})
+
 if(WIN32)
 	list(APPEND LIBRARIES ${PTHREADS_LIBRARIES})
 endif()
@@ -55,14 +57,30 @@ if(WITH_CYCLES_STANDALONE)
 		cycles_xml.cpp
 		cycles_xml.h
 	)
+
+	set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /SAFESEH:NO")
+	set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} /SAFESEH:NO")
+
 	add_executable(cycles ${SRC})
+
 	list(APPEND LIBRARIES ${PLATFORM_LINKLIBS})
 	target_link_libraries(cycles ${LIBRARIES} ${CMAKE_DL_LIBS})
 
+	if(WIN32 AND NOT UNIX AND NOT CMAKE_COMPILER_IS_GNUCC)
+		file_list_suffix(OPENEXR_LIBRARIES_DEBUG "${OPENEXR_LIBRARIES}" "_d")
+		target_link_libraries_debug(cycles "${OPENEXR_LIBRARIES_DEBUG}")
+		target_link_libraries_optimized(cycles "${OPENEXR_LIBRARIES}")
+		unset(OPENEXR_LIBRARIES_DEBUG)
+	else()
+		target_link_libraries(cycles ${OPENEXR_LIBRARIES})
+	endif()
+
 	if(UNIX AND NOT APPLE)
 		set_target_properties(cycles PROPERTIES INSTALL_RPATH $ORIGIN/lib)
 	endif()
+
 	unset(SRC)
+
 endif()
 
 if(WITH_CYCLES_NETWORK)
@@ -77,4 +95,3 @@ if(WITH_CYCLES_NETWORK)
 	endif()
 	unset(SRC)
 endif()
-

intern/cycles/blender/CMakeLists.txt

@@ -6,6 +6,7 @@ set(INC
 	../kernel/svm
 	../util
 	../subd
+	../../glew-mx
 	../../guardedalloc
 	../../mikktspace
 	../../../source/blender/makesdna
@@ -46,7 +47,7 @@ set(ADDON_FILES
 	addon/version_update.py
 )
 
-add_definitions(-DGLEW_STATIC)
+add_definitions(${GL_DEFINITIONS})
 
 blender_add_lib(bf_intern_cycles "${SRC}" "${INC}" "${INC_SYS}")
 

intern/cycles/cmake/external_libs.cmake

@@ -1,4 +1,3 @@
-
 ###########################################################################
 # GLUT
 
@@ -14,10 +13,15 @@ if(WITH_CYCLES_STANDALONE AND WITH_CYCLES_STANDALONE_GUI)
 	)
 endif()
 
-if(WITH_SYSTEM_GLEW)
-	set(CYCLES_GLEW_LIBRARY ${GLEW_LIBRARY})
-else()
-	set(CYCLES_GLEW_LIBRARY extern_glew)
+###########################################################################
+# GLEW
+
+if(WITH_CYCLES_STANDALONE AND WITH_CYCLES_STANDALONE_GUI)
+	if(WITH_SYSTEM_GLEW)
+		set(CYCLES_APP_GLEW_LIBRARY ${GLEW_LIBRARY})
+	else()
+		set(CYCLES_APP_GLEW_LIBRARY extern_glew) # Cycles Standalone should not use the experimental glew-es
+	endif()
 endif()
 
 ###########################################################################
@@ -32,4 +36,3 @@ if(WITH_CYCLES_CUDA_BINARIES)
 		set(WITH_CYCLES_CUDA_BINARIES OFF)
 	endif()
 endif()
-

intern/cycles/device/CMakeLists.txt

@@ -6,10 +6,10 @@ set(INC
 	../kernel/osl
 	../util
 	../render
+	../../glew-mx
 )
 
 set(INC_SYS
-	${OPENGL_INCLUDE_DIR}
 	${GLEW_INCLUDE_PATH}
 	../../../extern/cuew/include
 	../../../extern/clew/include
@@ -38,7 +38,7 @@ set(SRC_HEADERS
 	device_task.h
 )
 
-add_definitions(-DGLEW_STATIC)
+add_definitions(${GL_DEFINITIONS})
 
 include_directories(${INC})
 include_directories(SYSTEM ${INC_SYS})

intern/cycles/device/device.cpp

@@ -128,8 +128,10 @@ void Device::draw_pixels(device_memory& rgba, int y, int w, int h, int dy, int w
 		glPixelZoom(1.0f, 1.0f);
 	}
 
-	if(transparent)
+	if (transparent) {
 		glDisable(GL_BLEND);
+		glBlendFunc(GL_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+	}
 }
 
 Device *Device::create(DeviceInfo& info, Stats &stats, bool background)

intern/cycles/device/device_cuda.cpp

@@ -922,9 +922,11 @@ public:
 				draw_params.unbind_display_space_shader_cb();
 			}
 
-			if(transparent)
+			if (transparent) {
 				glDisable(GL_BLEND);
-			
+				glBlendFunc(GL_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+			}
+
 			glBindTexture(GL_TEXTURE_2D, 0);
 			glDisable(GL_TEXTURE_2D);
 

intern/cycles/render/CMakeLists.txt

@@ -7,6 +7,7 @@ set(INC
 	../kernel/osl
 	../bvh
 	../util
+	../../glew-mx
 )
 
 set(INC_SYS
@@ -76,5 +77,6 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${RTTI_DISABLE_FLAGS}")
 include_directories(${INC})
 include_directories(SYSTEM ${INC_SYS})
 
-add_library(cycles_render ${SRC} ${SRC_HEADERS})
+add_definitions(${GL_DEFINITIONS})
 
+add_library(cycles_render ${SRC} ${SRC_HEADERS})

intern/cycles/util/CMakeLists.txt

@@ -1,11 +1,11 @@
 
 set(INC
 	.
+	../../glew-mx
 )
 
 set(INC_SYS
 	${GLEW_INCLUDE_PATH}
-	${OPENGL_INCLUDE_DIR}
 )
 
 set(SRC
@@ -69,4 +69,6 @@ set(SRC_HEADERS
 include_directories(${INC})
 include_directories(SYSTEM ${INC_SYS})
 
+add_definitions(${GL_DEFINITIONS})
+
 add_library(cycles_util ${SRC} ${SRC_HEADERS})

intern/cycles/util/util_opengl.h

@@ -20,7 +20,6 @@
 /* OpenGL header includes, used everywhere we use OpenGL, to deal with
  * platform differences in one central place. */
 
-#include <GL/glew.h>
+#include "glew-mx.h"
 
 #endif /* __UTIL_OPENGL_H__ */
-

intern/cycles/util/util_view.cpp

@@ -66,7 +66,6 @@ void view_display_info(const char *info)
 	const int height = 20;
 
 	glEnable(GL_BLEND);
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	glColor4f(0.1f, 0.1f, 0.1f, 0.8f);
 	glRectf(0.0f, V.height - height, V.width, V.height);
 	glDisable(GL_BLEND);
@@ -90,7 +89,6 @@ void view_display_help()
 	const int y2 = y1 + h;
 
 	glEnable(GL_BLEND);
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	glColor4f(0.5f, 0.5f, 0.5f, 0.8f);
 	glRectf(x1, y1, x2, y2);
 	glDisable(GL_BLEND);
@@ -248,10 +246,13 @@ void view_main_loop(const char *title, int width, int height,
 	glutInitDisplayMode(GLUT_RGB|GLUT_DOUBLE|GLUT_DEPTH);
 	glutCreateWindow(title);
 
+	glewSetContext(glewCreateContext());
 	glewInit();
 
 	view_reshape(width, height);
 
+	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
 	glutDisplayFunc(view_display);
 	glutIdleFunc(view_idle);
 	glutReshapeFunc(view_reshape);

intern/ghost/CMakeLists.txt

@@ -25,6 +25,7 @@
 
 set(INC
 	.
+	../glew-mx
 	../string
 	../../source/blender/imbuf
 	../../source/blender/makesdna
@@ -38,6 +39,8 @@ set(SRC
 	intern/GHOST_Buttons.cpp
 	intern/GHOST_C-api.cpp
 	intern/GHOST_CallbackEventConsumer.cpp
+	intern/GHOST_Context.cpp
+	intern/GHOST_ContextNone.cpp
 	intern/GHOST_DisplayManager.cpp
 	intern/GHOST_EventManager.cpp
 	intern/GHOST_ISystem.cpp
@@ -63,6 +66,8 @@ set(SRC
 
 	intern/GHOST_Buttons.h
 	intern/GHOST_CallbackEventConsumer.h
+	intern/GHOST_Context.h
+	intern/GHOST_ContextNone.h
 	intern/GHOST_Debug.h
 	intern/GHOST_DisplayManager.h
 	intern/GHOST_Event.h
@@ -128,60 +133,38 @@ if(WITH_HEADLESS OR WITH_GHOST_SDL)
 		add_definitions(-DWITH_GHOST_SDL)
 	endif()
 
-
-	# ack, this is still system dependent
-	if(APPLE)
-		list(APPEND SRC
-			intern/GHOST_SystemPathsCocoa.mm
-			intern/GHOST_SystemPathsCocoa.h
-		)
-
-	elseif(UNIX)
-		list(APPEND SRC
-			intern/GHOST_SystemPathsX11.cpp
-			intern/GHOST_SystemPathsX11.h
-		)
-
-		if(NOT WITH_INSTALL_PORTABLE)
-			add_definitions(-DPREFIX="${CMAKE_INSTALL_PREFIX}")
-		endif()
-
-	elseif(WIN32)
-		list(APPEND SRC
-			intern/GHOST_SystemPathsWin32.cpp
-
-			intern/GHOST_SystemPathsWin32.h
-		)
-
-		list(APPEND INC
-			../utfconv
-		)
-	endif()
-
 	if(NOT WITH_HEADLESS)
 		list(APPEND INC_SYS
 			${SDL_INCLUDE_DIR}
 		)
 	endif()
 
-elseif(APPLE)
+elseif(APPLE AND NOT WITH_X11)
 	list(APPEND SRC
 		intern/GHOST_DisplayManagerCocoa.mm
 		intern/GHOST_SystemCocoa.mm
-		intern/GHOST_SystemPathsCocoa.mm
 		intern/GHOST_WindowCocoa.mm
 
 		intern/GHOST_DisplayManagerCocoa.h
 		intern/GHOST_SystemCocoa.h
-		intern/GHOST_SystemPathsCocoa.h
 		intern/GHOST_WindowCocoa.h
 	)
 
+	if (WITH_GL_CONTEXT_DESKTOP)
+		list(APPEND SRC
+			intern/GHOST_ContextCGL.mm
+
+			intern/GHOST_ContextCGL.h
+		)
+	endif()
+
 	if(WITH_INPUT_NDOF)
 		list(APPEND SRC
 			intern/GHOST_NDOFManagerCocoa.mm
+
 			intern/GHOST_NDOFManagerCocoa.h
 		)
+
 		list(APPEND SRC_NDOF3DCONNEXION
 			intern/GHOST_NDOFManager3Dconnexion.c
 			intern/GHOST_NDOFManager3Dconnexion.h
@@ -192,8 +175,7 @@ elseif(APPLE)
 		add_definitions(-DWITH_QUICKTIME)
 	endif()
 
-elseif(UNIX)
-
+elseif(WITH_X11)
 	list(APPEND INC_SYS
 		${X11_X11_INCLUDE_PATH}
 	)
@@ -201,15 +183,21 @@ elseif(UNIX)
 	list(APPEND SRC
 		intern/GHOST_DisplayManagerX11.cpp
 		intern/GHOST_SystemX11.cpp
-		intern/GHOST_SystemPathsX11.cpp
 		intern/GHOST_WindowX11.cpp
 
 		intern/GHOST_DisplayManagerX11.h
 		intern/GHOST_SystemX11.h
-		intern/GHOST_SystemPathsX11.h
 		intern/GHOST_WindowX11.h
 	)
 
+	if (WITH_GL_CONTEXT_DESKTOP)
+		list(APPEND SRC
+			intern/GHOST_ContextGLX.cpp
+
+			intern/GHOST_ContextGLX.h
+		)
+	endif()
+
 	if(WITH_GHOST_XDND)
 		add_definitions(-DWITH_XDND)
 
@@ -257,6 +245,8 @@ elseif(UNIX)
 		)
 	endif()
 
+	add_definitions(-DWITH_X11)
+
 elseif(WIN32)
 	## Warnings as errors, this is too strict!
 	#if(MSVC)
@@ -274,18 +264,24 @@ elseif(WIN32)
 	list(APPEND SRC
 		intern/GHOST_DisplayManagerWin32.cpp
 		intern/GHOST_SystemWin32.cpp
-		intern/GHOST_SystemPathsWin32.cpp
 		intern/GHOST_WindowWin32.cpp
 		intern/GHOST_DropTargetWin32.cpp
 
 		intern/GHOST_DisplayManagerWin32.h
 		intern/GHOST_DropTargetWin32.h
 		intern/GHOST_SystemWin32.h
-		intern/GHOST_SystemPathsWin32.h
 		intern/GHOST_WindowWin32.h
 		intern/GHOST_TaskbarWin32.h
 	)
 
+	if (WITH_GL_CONTEXT_DESKTOP)
+		list(APPEND SRC
+			intern/GHOST_ContextWGL.cpp
+				
+			intern/GHOST_ContextWGL.h
+		)
+	endif()
+
 	if(WITH_INPUT_NDOF)
 		list(APPEND SRC
 			intern/GHOST_NDOFManagerWin32.cpp
@@ -296,7 +292,42 @@ elseif(WIN32)
 
 endif()
 
-add_definitions(-DGLEW_STATIC)
+if(WITH_GL_CONTEXT_EMBEDDED AND NOT (WITH_HEADLESS OR WITH_GHOST_SDL))
+	list(APPEND SRC
+		intern/GHOST_ContextEGL.cpp
+			
+		intern/GHOST_ContextEGL.h
+	)
+endif()
+
+if(APPLE)
+	list(APPEND SRC
+		intern/GHOST_SystemPathsCocoa.mm
+		intern/GHOST_SystemPathsCocoa.h
+	)
+
+elseif(UNIX)
+	list(APPEND SRC
+		intern/GHOST_SystemPathsX11.cpp
+		intern/GHOST_SystemPathsX11.h
+	)
+
+	if(NOT WITH_INSTALL_PORTABLE)
+		add_definitions(-DPREFIX="${CMAKE_INSTALL_PREFIX}")
+	endif()
+
+elseif(WIN32)
+	list(APPEND SRC
+		intern/GHOST_SystemPathsWin32.cpp
+		intern/GHOST_SystemPathsWin32.h
+	)
+
+	list(APPEND INC
+		../utfconv
+	)
+endif()
+
+add_definitions(${GL_DEFINITIONS})
 
 blender_add_lib(bf_intern_ghost "${SRC}" "${INC}" "${INC_SYS}")
 

intern/ghost/GHOST_C-api.h

@@ -674,9 +674,16 @@ extern GHOST_TSuccess GHOST_SetSwapInterval(GHOST_WindowHandle windowhandle, int
 
 /**
  * Gets the current swap interval for swapBuffers.
- * \return An integer.
+ * \param pointer to location to store the swap interval if successful
+ * \return Whether the swap interval was successfully read.
  */
-extern int GHOST_GetSwapInterval(GHOST_WindowHandle windowhandle);
+extern GHOST_TSuccess GHOST_GetSwapInterval(GHOST_WindowHandle windowhandle, int* intervalOut);
+
+/**
+ * Gets the current swap interval for swapBuffers.
+ * \return Number of AA Samples (0 if there is no multisample buffer)
+ */
+extern GHOST_TUns16 GHOST_GetNumOfAASamples(GHOST_WindowHandle windowhandle);
 
 /**
  * Activates the drawing context of this window.

intern/ghost/GHOST_IWindow.h

@@ -212,9 +212,16 @@ public:
 
 	/**
 	 * Gets the current swap interval for swapBuffers.
-	 * \return An integer.
+	 * \param intervalOut Variable to store the swap interval if it can be read.
+	 * \return Whether the swap interval can be read.
 	 */
-	virtual int getSwapInterval() = 0;
+	virtual GHOST_TSuccess getSwapInterval(int& intervalOut) = 0;
+
+	/**
+	 * Gets the current swap interval for swapBuffers.
+	 * \return Number of AA Samples (0 if there is no multisample buffer)
+	 */
+	virtual GHOST_TUns16 getNumOfAASamples() = 0;
 
 	/**
 	 * Activates the drawing context of this window.

intern/ghost/intern/GHOST_C-api.cpp

@@ -144,15 +144,9 @@ GHOST_WindowHandle GHOST_CreateWindow(GHOST_SystemHandle systemhandle,
                                       const GHOST_TUns16 numOfAASamples)
 {
 	GHOST_ISystem *system = (GHOST_ISystem *) systemhandle;
-	bool bstereoVisual;
-
-	if (stereoVisual)
-		bstereoVisual = true;
-	else
-		bstereoVisual = false;
 
 	return (GHOST_WindowHandle) system->createWindow(title, left, top, width, height,
-	                                                 state, type, bstereoVisual, false,
+	                                                 state, type, stereoVisual != 0, false,
 	                                                 numOfAASamples);
 }
 
@@ -698,14 +692,21 @@ GHOST_TSuccess GHOST_SetSwapInterval(GHOST_WindowHandle windowhandle, int interv
 	return window->setSwapInterval(interval);
 }
 
-int GHOST_GetSwapInterval(GHOST_WindowHandle windowhandle)
+GHOST_TSuccess GHOST_GetSwapInterval(GHOST_WindowHandle windowhandle, int* intervalOut)
 {
 	GHOST_IWindow *window = (GHOST_IWindow *) windowhandle;
 
-	return window->getSwapInterval();
+	return window->getSwapInterval(*intervalOut);
 }
 
 
+GHOST_TUns16 GHOST_GetNumOfAASamples(GHOST_WindowHandle windowhandle)
+{
+	GHOST_IWindow *window = (GHOST_IWindow *) windowhandle;
+
+	return window->getNumOfAASamples();
+}
+
 GHOST_TSuccess GHOST_ActivateWindowDrawingContext(GHOST_WindowHandle windowhandle)
 {
 	GHOST_IWindow *window = (GHOST_IWindow *) windowhandle;

intern/ghost/intern/GHOST_Context.cpp

@@ -0,0 +1,152 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2013 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file ghost/intern/GHOST_Context.cpp
+ *  \ingroup GHOST
+ * Definition of GHOST_Context class.
+ */
+
+#include "GHOST_Context.h"
+
+#include <cstdio>
+#include <cstring>
+
+
+
+static const char* get_glew_error_message_string(GLenum error)
+{
+	switch (error) {
+		case GLEW_OK: /* also GLEW_NO_ERROR */
+			return "OK";
+
+		case GLEW_ERROR_NO_GL_VERSION:
+			return "Unable to determine GL version.";
+
+		case GLEW_ERROR_GL_VERSION_10_ONLY:
+			return "OpenGL 1.1 or later is required.";
+
+		case GLEW_ERROR_GLX_VERSION_11_ONLY:
+			return "GLX 1.2 or later is required.";
+
+#ifdef WITH_GLEW_ES
+		case GLEW_ERROR_NOT_GLES_VERSION:
+			return "OpenGL ES is required.";
+
+		case GLEW_ERROR_GLES_VERSION:
+			return "A non-ES version of OpenGL is required.";
+
+		case GLEW_ERROR_NO_EGL_VERSION:
+			return "Unabled to determine EGL version.";
+
+		case GLEW_ERROR_EGL_VERSION_10_ONLY:
+			return "EGL 1.1 or later is required.";
+#endif
+
+		default:
+			return NULL;
+	}
+}
+
+
+
+static const char* get_glew_error_enum_string(GLenum error)
+{
+	switch (error) {
+		case GLEW_OK: /* also GLEW_NO_ERROR */
+			return "GLEW_OK";
+
+		case GLEW_ERROR_NO_GL_VERSION:
+			return "GLEW_ERROR_NO_GL_VERSION";
+
+		case GLEW_ERROR_GL_VERSION_10_ONLY:
+			return "GLEW_ERROR_GL_VERSION_10_ONLY";
+
+		case GLEW_ERROR_GLX_VERSION_11_ONLY:
+			return "GLEW_ERROR_GLX_VERSION_11_ONLY";
+
+#ifdef WITH_GLEW_ES
+		case GLEW_ERROR_NOT_GLES_VERSION:
+			return "GLEW_ERROR_NOT_GLES_VERSION";
+
+		case GLEW_ERROR_GLES_VERSION:
+			return "GLEW_ERROR_GLES_VERSION";
+
+		case GLEW_ERROR_NO_EGL_VERSION:
+			return "GLEW_ERROR_NO_EGL_VERSION";
+
+		case GLEW_ERROR_EGL_VERSION_10_ONLY:
+			return "GLEW_ERROR_EGL_VERSION_10_ONLY";
+#endif
+
+		default:
+			return NULL;
+	}
+}
+
+
+
+GLenum glew_chk(GLenum error, const char* file, int line, const char* text)
+{
+	if (error != GLEW_OK) {
+		const char* code = get_glew_error_enum_string(error);
+		const char* msg  = get_glew_error_message_string(error);
+
+#ifndef NDEBUG
+		fprintf(
+			stderr,
+			"%s(%d):[%s] -> GLEW Error (0x%04X): %s: %s\n",
+			file,
+			line,
+			text,
+			error,
+			code ? code : "<no symbol>",
+			msg  ? msg  : "<no message>");
+#else
+		fprintf(
+			stderr,
+			"GLEW Error (%04X): %s: %s\n",
+			error,
+			code ? code : "<no symbol>",
+			msg  ? msg  : "<no message>");
+#endif
+	}
+
+	return error;
+}
+
+
+
+void GHOST_Context::initContextGLEW()
+{
+	glewDestroyContext(m_glewContext);
+
+	glewSetContext(glewCreateContext());
+
+	m_glewContext = glewGetContext();
+
+	GLEW_CHK(glewInit());
+}

intern/ghost/intern/GHOST_Context.h

@@ -0,0 +1,157 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2013 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file ghost/intern/GHOST_Context.h
+ *  \ingroup GHOST
+ * Declaration of GHOST_Context class.
+ */
+
+#ifndef __GHOST_CONTEXT_H__
+#define __GHOST_CONTEXT_H__
+
+#include "GHOST_Types.h"
+
+#include "glew-mx.h"
+
+#include <cstdlib> // for NULL
+
+
+
+class GHOST_Context
+{
+public:
+	/**
+	 * Constructor.
+	 * \param stereoVisual		Stereo visual for quad buffered stereo.
+	 * \param numOfAASamples	Number of samples used for AA (zero if no AA)
+	 */
+	GHOST_Context(bool stereoVisual, GHOST_TUns16 numOfAASamples)
+		: m_stereoVisual  (stereoVisual)
+		, m_numOfAASamples(numOfAASamples)
+		, m_glewContext(NULL)
+	{}
+
+	/**
+	 * Destructor.
+	 */
+	virtual ~GHOST_Context() {
+		glewDestroyContext(m_glewContext);
+	}
+
+	/**
+	 * Swaps front and back buffers of a window.
+	 * \return  A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess swapBuffers() = 0;
+
+	/**
+	 * Activates the drawing context of this window.
+	 * \return  A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess activateDrawingContext() = 0;
+
+	/**
+	 * Call immediately after new to initialize.  If this fails then immediately delete the object.
+	 * \return Indication as to whether initialization has succeeded.
+	 */
+	virtual GHOST_TSuccess initializeDrawingContext() = 0;
+
+	/**
+	 * Updates the drawing context of this window. Needed
+	 * whenever the window is changed.
+	 * \return Indication of success.
+	 */
+	virtual GHOST_TSuccess updateDrawingContext() {
+		return GHOST_kFailure;
+	}
+
+	/**
+	 * Checks if it is OK for a remove the native display
+	 * \return Indication as to whether removal has succeeded.
+	 */
+	virtual GHOST_TSuccess releaseNativeHandles() = 0;
+
+	/**
+	 * Sets the swap interval for swapBuffers.
+	 * \param interval The swap interval to use.
+	 * \return A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess setSwapInterval(int interval) {
+		return GHOST_kFailure;
+	}
+
+	/**
+	 * Gets the current swap interval for swapBuffers.
+	 * \param intervalOut Variable to store the swap interval if it can be read.
+	 * \return Whether the swap interval can be read.
+	 */
+	virtual GHOST_TSuccess getSwapInterval(int&) {
+		return GHOST_kFailure;
+	}
+
+	/** Stereo visual created. Only necessary for 'real' stereo support,
+	 *  ie quad buffered stereo. This is not always possible, depends on
+	 *  the graphics h/w
+	 */
+	inline bool isStereoVisual() const {
+		return m_stereoVisual;
+	}
+
+	/** Number of samples used in anti-aliasing, set to 0 if no AA **/
+	inline GHOST_TUns16 getNumOfAASamples() const {
+		return m_numOfAASamples;
+	}
+
+protected:
+	void initContextGLEW();
+
+	inline void activateGLEW() const {
+		glewSetContext(m_glewContext);
+	}
+
+	bool m_stereoVisual;
+	
+	GHOST_TUns16 m_numOfAASamples;
+
+private:
+	GLEWContext* m_glewContext;
+
+};
+
+
+
+GLenum glew_chk(GLenum error, const char* file, int line, const char* text);
+
+#ifndef NDEBUG
+#define GLEW_CHK(x) glew_chk((x), __FILE__, __LINE__, #x)
+#else
+#define GLEW_CHK(x) x
+#endif
+
+
+
+#endif // __GHOST_CONTEXT_H__

intern/ghost/intern/GHOST_ContextCGL.h

@@ -0,0 +1,161 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2014 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file ghost/intern/GHOST_ContextCGL.h
+ *  \ingroup GHOST
+ * Declaration of GHOST_ContextCGL class.
+ */
+
+#ifndef _GHOST_CONTEXTCGL_H_
+#define _GHOST_CONTEXTCGL_H_
+
+#include "GHOST_Context.h"
+
+//#define cglewGetContext() cglewContext
+//#include <GL/cglew.h>
+//extern "C" CGLEWContext* cglewContext;
+
+
+
+#ifndef GHOST_OPENGL_CGL_CONTEXT_FLAGS
+#define GHOST_OPENGL_CGL_CONTEXT_FLAGS 0
+#endif
+
+#ifndef GHOST_OPENGL_CGL_RESET_NOTIFICATION_STRATEGY
+#define GHOST_OPENGL_CGL_RESET_NOTIFICATION_STRATEGY 0
+#endif
+
+
+
+@class NSWindow;
+@class NSOpenGLView;
+@class NSOpenGLContext;
+
+
+
+class GHOST_ContextCGL : public GHOST_Context
+{
+public:
+	/**
+	 * Constructor.
+	 */
+	GHOST_ContextCGL(
+		bool          stereoVisual,
+		GHOST_TUns16  numOfAASamples,
+		NSWindow     *window,
+		NSOpenGLView *openGLView,
+		int           contextProfileMask,
+		int           contextMajorVersion,
+		int           contextMinorVersion,
+		int           contextFlags,
+		int           contextResetNotificationStrategy
+	);
+
+
+	/**
+	 * Destructor.
+	 */
+	virtual ~GHOST_ContextCGL();
+
+	/**
+	 * Swaps front and back buffers of a window.
+	 * \return  A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess swapBuffers();
+
+	/**
+	 * Activates the drawing context of this window.
+	 * \return  A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess activateDrawingContext();
+
+	/**
+	 * Call immediately after new to initialize.  If this fails then immediately delete the object.
+	 * \return Indication as to whether initialization has succeeded.
+	 */
+	virtual GHOST_TSuccess initializeDrawingContext();
+
+	/**
+	 * Removes references to native handles from this context and then returns
+	 * \return GHOST_kSuccess if it is OK for the parent to release the handles and GHOST_kFailure if releasing the handles will interfere with sharing
+	 */
+	virtual GHOST_TSuccess releaseNativeHandles();
+
+	/**
+	 * Sets the swap interval for swapBuffers.
+	 * \param interval The swap interval to use.
+	 * \return A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess setSwapInterval(int interval);
+
+	/**
+	 * Gets the current swap interval for swapBuffers.
+	 * \param intervalOut Variable to store the swap interval if it can be read.
+	 * \return Whether the swap interval can be read.
+	 */
+	virtual GHOST_TSuccess getSwapInterval(int&);
+
+	/**
+	 * Updates the drawing context of this window.
+	 * Needed whenever the window is changed.
+	 * \return Indication of success.
+	 */
+	virtual GHOST_TSuccess updateDrawingContext();
+
+//protected:
+//	inline void activateCGLEW() const {
+//		cglewContext = m_cglewContext;
+//	}
+
+private:
+	//void initContextCGLEW()
+
+	/** The window containing the OpenGL view */
+	NSWindow *m_window;
+	
+	/** The openGL view */
+	NSOpenGLView *m_openGLView; 
+
+	const int m_contextProfileMask;
+	const int m_contextMajorVersion;
+	const int m_contextMinorVersion;
+	const int m_contextFlags;
+	const int m_contextResetNotificationStrategy;
+
+	/** The opgnGL drawing context */
+	NSOpenGLContext *m_openGLContext;
+	
+	//static CGLEWContext* s_cglewContext;
+
+	/** The first created OpenGL context (for sharing display lists) */
+	static NSOpenGLContext *s_sharedOpenGLContext;	
+	static int              s_sharedCount;
+};
+
+
+
+#endif // _GHOST_CONTEXTCGL_H_

intern/ghost/intern/GHOST_ContextCGL.mm

@@ -0,0 +1,364 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2013 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file ghost/intern/GHOST_ContextCGL.mm
+ *  \ingroup GHOST
+ * Definition of GHOST_ContextCGL class.
+ */
+
+#include "GHOST_ContextCGL.h"
+
+#include <Cocoa/Cocoa.h>
+
+#ifdef GHOST_MULTITHREADED_OPENGL
+#include <OpenGL/OpenGL.h>
+#endif
+
+#include <vector>
+
+#include <cassert>
+
+
+
+NSOpenGLContext *GHOST_ContextCGL::s_sharedOpenGLContext = nil;	
+int              GHOST_ContextCGL::s_sharedCount         = 0;
+
+
+
+GHOST_ContextCGL::GHOST_ContextCGL(
+	bool          stereoVisual,
+	GHOST_TUns16  numOfAASamples,
+	NSWindow     *window,
+	NSOpenGLView *openGLView,
+	int           contextProfileMask,
+	int           contextMajorVersion,
+	int           contextMinorVersion,
+	int           contextFlags,
+	int           contextResetNotificationStrategy
+)
+	: GHOST_Context(stereoVisual, numOfAASamples)
+	, m_window    (window)
+	, m_openGLView(openGLView)
+	, m_contextProfileMask              (contextProfileMask)
+	, m_contextMajorVersion             (contextMajorVersion)
+	, m_contextMinorVersion             (contextMinorVersion)
+	, m_contextFlags                    (contextFlags)
+	, m_contextResetNotificationStrategy(contextResetNotificationStrategy)
+	, m_openGLContext(nil)
+{
+	assert(window != nil);
+	assert(openGLView != nil);
+}
+
+
+
+GHOST_ContextCGL::~GHOST_ContextCGL()
+{
+	if (m_openGLContext != nil) {
+		if (m_openGLContext == [NSOpenGLContext currentContext])
+			[NSOpenGLContext clearCurrentContext];
+			[m_openGLView clearGLContext];
+
+		if (m_openGLContext != s_sharedOpenGLContext || s_sharedCount == 1) {
+			assert(s_sharedCount > 0);
+
+			s_sharedCount--;
+
+			if (s_sharedCount == 0)
+				s_sharedOpenGLContext = nil;
+
+			[m_openGLContext release];
+		}
+	}
+}
+
+
+
+GHOST_TSuccess GHOST_ContextCGL::swapBuffers()
+{
+	if (m_openGLContext != nil) {
+		NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+		[m_openGLContext flushBuffer];
+		[pool drain];
+		return GHOST_kSuccess;
+	}
+	else {
+		return GHOST_kFailure;
+	}
+}
+
+
+
+GHOST_TSuccess GHOST_ContextCGL::setSwapInterval(int interval)
+{
+	if (m_openGLContext != nil) {
+		NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+		[m_openGLContext setValues:&interval forParameter:NSOpenGLCPSwapInterval];
+		[pool drain];
+		return GHOST_kSuccess;
+	}
+	else {
+		return GHOST_kFailure;
+	}
+}
+
+
+
+GHOST_TSuccess GHOST_ContextCGL::getSwapInterval(int& intervalOut)
+{
+	if (m_openGLContext != nil) {
+		GLint interval;
+
+		NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+		[m_openGLContext setValues:&interval forParameter:NSOpenGLCPSwapInterval];
+
+		[pool drain];
+
+		intervalOut = static_cast<int>(interval);
+
+		return GHOST_kSuccess;
+	}
+	else {
+		return GHOST_kFailure;
+	}
+}
+
+
+
+GHOST_TSuccess GHOST_ContextCGL::activateDrawingContext()
+{
+	if (m_openGLContext != nil) {
+		NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+		[m_openGLContext makeCurrentContext];
+
+		activateGLEW();
+
+		[pool drain];
+		return GHOST_kSuccess;
+	}
+	else {
+		return GHOST_kFailure;
+	}
+}
+
+
+
+GHOST_TSuccess GHOST_ContextCGL::updateDrawingContext()
+{
+	if (m_openGLContext != nil) {
+		NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+		[m_openGLContext update];
+		[pool drain];
+		return GHOST_kSuccess;
+	}
+	else {
+		return GHOST_kFailure;
+	}
+}
+
+
+
+static void makeAttribList(
+	std::vector<NSOpenGLPixelFormatAttribute>& attribs,
+	bool stereoVisual,
+	int  numOfAASamples,
+	bool needAlpha,
+	bool needStencil)
+{
+	// Pixel Format Attributes for the windowed NSOpenGLContext
+	attribs.push_back(NSOpenGLPFADoubleBuffer);
+	
+	// Guarantees the back buffer contents to be valid after a call to NSOpenGLContext object's flushBuffer
+	// needed for 'Draw Overlap' drawing method
+	attribs.push_back(NSOpenGLPFABackingStore);
+	
+	// Force software OpenGL, for debugging
+	if (getenv("BLENDER_SOFTWAREGL")) { // XXX jwilkins: fixed this to work on Intel macs? useful feature for Windows and Linux too?  Maybe a command line flag is better...
+		attribs.push_back(NSOpenGLPFARendererID);
+#if defined(__ppc__) || defined(__ppc64__)
+		attribs.push_back(kCGLRendererAppleSWID);
+#else
+		attribs.push_back(kCGLRendererGenericFloatID);
+#endif
+	}
+	else {
+		attribs.push_back(NSOpenGLPFAAccelerated);
+	}
+
+	//attribs.push_back(NSOpenGLPFAAllowOfflineRenderers);   // Removed to allow 10.4 builds, and 2 GPUs rendering is not used anyway
+
+	attribs.push_back(NSOpenGLPFADepthSize);
+	attribs.push_back((NSOpenGLPixelFormatAttribute) 32);
+
+	if (stereoVisual)
+		attribs.push_back(NSOpenGLPFAStereo);
+
+	if (needAlpha) {
+		attribs.push_back(NSOpenGLPFAAlphaSize);
+		attribs.push_back((NSOpenGLPixelFormatAttribute) 8);
+	}
+
+	if (needStencil) {
+		attribs.push_back(NSOpenGLPFAStencilSize);
+		attribs.push_back((NSOpenGLPixelFormatAttribute) 8);
+	}
+
+	if (numOfAASamples > 0) {
+		// Multisample anti-aliasing
+		attribs.push_back(NSOpenGLPFAMultisample);
+		
+		attribs.push_back(NSOpenGLPFASampleBuffers);
+		attribs.push_back((NSOpenGLPixelFormatAttribute) 1);
+		
+		attribs.push_back(NSOpenGLPFASamples);
+		attribs.push_back((NSOpenGLPixelFormatAttribute) numOfAASamples);
+		
+		attribs.push_back(NSOpenGLPFANoRecovery);
+	}
+
+	attribs.push_back((NSOpenGLPixelFormatAttribute) 0);
+}
+
+
+
+GHOST_TSuccess GHOST_ContextCGL::initializeDrawingContext()
+{
+	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+	std::vector<NSOpenGLPixelFormatAttribute> attribs;
+	attribs.reserve(40);
+
+	NSOpenGLContext *prev_openGLContext = [m_openGLView openGLContext];
+
+#ifdef GHOST_OPENGL_ALPHA
+	static const bool needAlpha   = true;
+#else
+	static const bool needAlpha   = false;
+#endif
+
+#ifdef GHOST_OPENGL_STENCIL
+	static const bool needStencil = true;
+#else
+	static const bool needStencil = false;
+#endif
+
+	makeAttribList(attribs, m_stereoVisual, m_numOfAASamples, needAlpha, needStencil);
+
+	NSOpenGLPixelFormat *pixelFormat;
+
+	pixelFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:&attribs[0]];
+
+	// Fall back to no multisampling if Antialiasing init failed
+	if (m_numOfAASamples > 0 && pixelFormat == nil) {
+		// XXX jwilkins: Does CGL only succeed when it makes an exact match on the number of samples?
+		// Does this need to explicitly try for a lesser match before giving up?
+		// (Now that I think about it, does WGL really require the code that it has for finding a lesser match?)
+
+		attribs.clear();
+		makeAttribList(attribs, m_stereoVisual, 0, needAlpha, needStencil);
+		pixelFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:&attribs[0]];
+	}
+
+	if (pixelFormat == nil)
+		goto error;
+
+	if (m_numOfAASamples > 0) { //Set m_numOfAASamples to the actual value
+		GLint actualSamples;
+		[pixelFormat getValues:&actualSamples forAttribute:NSOpenGLPFASamples forVirtualScreen:0];
+
+		if (m_numOfAASamples != (GHOST_TUns16)actualSamples) {
+			fprintf(
+				stderr,
+				"Warning! Unable to find a multisample pixel format that supports exactly %d samples. Substituting one that uses %d samples.\n",
+				m_numOfAASamples,
+				actualSamples);
+
+			m_numOfAASamples = (GHOST_TUns16)actualSamples;
+		}
+	}
+
+	[m_openGLView setPixelFormat:pixelFormat];
+
+	m_openGLContext = [[NSOpenGLContext alloc] initWithFormat:pixelFormat shareContext:s_sharedOpenGLContext];
+
+	if (m_openGLContext == nil)
+		goto error;
+
+	if (s_sharedCount == 0)
+		s_sharedOpenGLContext = m_openGLContext;
+
+	s_sharedCount++;
+
+#ifdef GHOST_MULTITHREADED_OPENGL
+	//Switch openGL to multhreaded mode
+	CGLContextObj cglCtx = (CGLContextObj)[tmpOpenGLContext CGLContextObj];
+	if (CGLEnable(cglCtx, kCGLCEMPEngine) == kCGLNoError)
+		printf("\nSwitched openGL to multithreaded mode\n");
+#endif
+
+#ifdef GHOST_WAIT_FOR_VSYNC
+	{
+		GLint swapInt = 1;
+		/* wait for vsync, to avoid tearing artifacts */
+		[m_openGLContext setValues:&swapInt forParameter:NSOpenGLCPSwapInterval];
+	}
+#endif
+
+	[m_openGLView setOpenGLContext:m_openGLContext];
+	[m_openGLContext setView:m_openGLView];
+
+	initContextGLEW();
+
+	glClearColor(0.447, 0.447, 0.447, 0.000);
+	glClear(GL_COLOR_BUFFER_BIT);
+	glClearColor(0.000, 0.000, 0.000, 0.000);
+
+	[pool drain];
+
+	return GHOST_kSuccess;
+
+error:
+
+	[m_openGLView setOpenGLContext:prev_openGLContext];
+
+	[pool drain];
+
+	return GHOST_kFailure;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextCGL::releaseNativeHandles()
+{
+	GHOST_TSuccess success = m_openGLContext != s_sharedOpenGLContext || s_sharedCount == 1 ? GHOST_kSuccess : GHOST_kFailure;
+
+	m_openGLContext = NULL;
+	m_openGLView    = NULL;
+
+	return success;
+}

intern/ghost/intern/GHOST_ContextEGL.cpp

@@ -0,0 +1,657 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2013 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file ghost/intern/GHOST_ContextEGL.cpp
+ *  \ingroup GHOST
+ * Definition of GHOST_ContextEGL class.
+ */
+
+#include "GHOST_ContextEGL.h"
+
+#include <set>
+#include <sstream>
+#include <vector>
+
+#include <cassert>
+#include <cstdio>
+
+
+
+EGLEWContext* eglewContext = NULL;
+
+
+
+static const char* get_egl_error_enum_string(EGLenum error)
+{
+	switch(error) {
+		case EGL_SUCCESS:
+			return "EGL_SUCCESS";
+
+		case EGL_NOT_INITIALIZED:
+			return "EGL_NOT_INITIALIZED";
+
+		case EGL_BAD_ACCESS:
+			return "EGL_BAD_ALLOC";
+
+		case EGL_BAD_ALLOC:
+			return "EGL_BAD_ALLOC";
+
+		case EGL_BAD_ATTRIBUTE:
+			return "EGL_BAD_ATTRIBUTE";
+
+		case EGL_BAD_CONTEXT:
+			return "EGL_BAD_CONTEXT";
+
+		case EGL_BAD_CONFIG:
+			return "EGL_BAD_CONFIG";
+
+		case EGL_BAD_CURRENT_SURFACE:
+			return "EGL_BAD_CURRENT_SURFACE";
+
+		case EGL_BAD_DISPLAY:
+			return "EGL_BAD_DISPLAY";
+
+		case EGL_BAD_SURFACE:
+			return "EGL_BAD_SURFACE";
+
+		case EGL_BAD_MATCH:
+			return "EGL_BAD_MATCH";
+
+		case EGL_BAD_PARAMETER:
+			return "EGL_BAD_PARAMETER";
+
+		case EGL_BAD_NATIVE_PIXMAP:
+			return "EGL_BAD_NATIVE_PIXMAP";
+
+		case EGL_BAD_NATIVE_WINDOW:
+			return "EGL_BAD_NATIVE_WINDOW";
+
+		case EGL_CONTEXT_LOST:
+			return "EGL_CONTEXT_LOST";
+
+		default:
+			return NULL;
+	}
+}
+
+static const char* get_egl_error_message_string(EGLenum error)
+{
+	switch(error) {
+		case EGL_SUCCESS:
+			return "The last function succeeded without error.";
+
+		case EGL_NOT_INITIALIZED:
+			return "EGL is not initialized, or could not be initialized, for the specified EGL display connection.";
+
+		case EGL_BAD_ACCESS:
+			return "EGL cannot access a requested resource (for example a context is bound in another thread).";
+
+		case EGL_BAD_ALLOC:
+			return "EGL failed to allocate resources for the requested operation.";
+
+		case EGL_BAD_ATTRIBUTE:
+			return "An unrecognized attribute or attribute value was passed in the attribute list.";
+
+		case EGL_BAD_CONTEXT:
+			return "An EGLContext argument does not name a valid EGL rendering context.";
+
+		case EGL_BAD_CONFIG:
+			return "An EGLConfig argument does not name a valid EGL frame buffer configuration.";
+
+		case EGL_BAD_CURRENT_SURFACE:
+			return "The current surface of the calling thread is a window, pixel buffer or pixmap that is no longer valid.";
+
+		case EGL_BAD_DISPLAY:
+			return "An EGLDisplay argument does not name a valid EGL display connection.";
+
+		case EGL_BAD_SURFACE:
+			return "An EGLSurface argument does not name a valid surface (window, pixel buffer or pixmap) configured for GL rendering.";
+
+		case EGL_BAD_MATCH:
+			return "Arguments are inconsistent (for example, a valid context requires buffers not supplied by a valid surface).";
+
+		case EGL_BAD_PARAMETER:
+			return "One or more argument values are invalid.";
+
+		case EGL_BAD_NATIVE_PIXMAP:
+			return "A NativePixmapType argument does not refer to a valid native pixmap.";
+
+		case EGL_BAD_NATIVE_WINDOW:
+			return "A NativeWindowType argument does not refer to a valid native window.";
+
+		case EGL_CONTEXT_LOST:
+			return "A power management event has occurred. The application must destroy all contexts and reinitialise OpenGL ES state and objects to continue rendering.";
+
+		default:
+			return NULL;
+	}
+}
+
+
+
+static bool egl_chk(bool result, const char* file = NULL, int line = 0, const char* text = NULL)
+{
+	if (!result) {
+		EGLenum error = eglGetError();
+
+		const char* code = get_egl_error_enum_string(error);
+		const char* msg  = get_egl_error_message_string(error);
+
+#ifndef NDEBUG
+		fprintf(
+			stderr,
+			"%s(%d):[%s] -> EGL Error (0x%04X): %s: %s\n",
+			file,
+			line,
+			text,
+			error,
+			code ? code : "<Unknown>",
+			msg  ? msg  : "<Unknown>");
+#else
+		fprintf(
+			stderr,
+			"EGL Error (0x%04X): %s: %s\n",
+			error,
+			code ? code : "<Unknown>",
+			msg  ? msg  : "<Unknown>");
+#endif
+	}
+
+	return result;
+}
+
+#ifndef NDEBUG
+#define EGL_CHK(x) egl_chk((x), __FILE__, __LINE__, #x)
+#else
+#define EGL_CHK(x) egl_chk(x)
+#endif
+
+
+
+static inline bool bindAPI(EGLenum api)
+{
+	if (eglewContext != NULL && EGLEW_VERSION_1_2)
+		return EGL_CHK(eglBindAPI(api)) == EGL_TRUE;
+	else
+		return false;
+}
+
+
+
+#if defined(WITH_ANGLE)
+HMODULE GHOST_ContextEGL::s_d3dcompiler = NULL;
+#endif
+
+
+
+EGLContext GHOST_ContextEGL::s_gl_sharedContext   = EGL_NO_CONTEXT;
+EGLint     GHOST_ContextEGL::s_gl_sharedCount     = 0;
+
+EGLContext GHOST_ContextEGL::s_gles_sharedContext = EGL_NO_CONTEXT;
+EGLint     GHOST_ContextEGL::s_gles_sharedCount   = 0;
+
+EGLContext GHOST_ContextEGL::s_vg_sharedContext   = EGL_NO_CONTEXT;
+EGLint     GHOST_ContextEGL::s_vg_sharedCount     = 0;
+
+
+#pragma warning(disable : 4715)
+
+template <typename T>
+T& choose_api(EGLenum api, T& a, T& b, T& c)
+{
+	switch(api) {
+		case EGL_OPENGL_API:
+			return a;
+		case EGL_OPENGL_ES_API:
+			return b;
+		case EGL_OPENVG_API:
+			return c;
+		default:
+			abort();
+	}
+}
+
+
+
+GHOST_ContextEGL::GHOST_ContextEGL(
+	bool                 stereoVisual,
+	GHOST_TUns16         numOfAASamples,
+	EGLNativeWindowType  nativeWindow,
+	EGLNativeDisplayType nativeDisplay,
+	EGLint               contextProfileMask,
+	EGLint               contextMajorVersion,
+	EGLint               contextMinorVersion,
+	EGLint               contextFlags,
+	EGLint               contextResetNotificationStrategy,
+	EGLenum              api
+)
+	: GHOST_Context(stereoVisual, numOfAASamples)
+	, m_nativeWindow (nativeWindow)
+	, m_nativeDisplay(nativeDisplay)
+	, m_contextProfileMask              (contextProfileMask)
+	, m_contextMajorVersion             (contextMajorVersion)
+	, m_contextMinorVersion             (contextMinorVersion)
+	, m_contextFlags                    (contextFlags)
+	, m_contextResetNotificationStrategy(contextResetNotificationStrategy)
+	, m_api(api)
+	, m_swap_interval(1)
+	, m_display(EGL_NO_DISPLAY)
+	, m_surface(EGL_NO_SURFACE)
+	, m_context(EGL_NO_CONTEXT)
+	, m_sharedContext(choose_api(api, s_gl_sharedContext, s_gles_sharedContext, s_vg_sharedContext))
+	, m_sharedCount  (choose_api(api, s_gl_sharedCount,   s_gles_sharedCount,   s_vg_sharedCount))
+	, m_eglewContext(NULL)
+{
+	assert(m_nativeWindow  != NULL);
+	assert(m_nativeDisplay != NULL);
+}
+
+
+
+GHOST_ContextEGL::~GHOST_ContextEGL()
+{
+	if (m_display != EGL_NO_DISPLAY) {
+		activateEGLEW();
+
+		bindAPI(m_api);
+
+		if (m_context != EGL_NO_CONTEXT) {
+			if (m_context == ::eglGetCurrentContext())
+				EGL_CHK(::eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT));
+
+			if (m_context != m_sharedContext || m_sharedCount == 1) {
+				assert(m_sharedCount > 0);
+
+				m_sharedCount--;
+
+				if (m_sharedCount == 0)
+					m_sharedContext = EGL_NO_CONTEXT;
+
+				EGL_CHK(::eglDestroyContext(m_display, m_context));
+			}
+		}
+
+		if (m_surface != EGL_NO_SURFACE)
+			EGL_CHK(::eglDestroySurface(m_display, m_surface));
+
+		EGL_CHK(::eglTerminate(m_display));
+
+		delete m_eglewContext;
+	}
+}
+
+
+
+GHOST_TSuccess GHOST_ContextEGL::swapBuffers()
+{
+	return EGL_CHK(eglSwapBuffers(m_display, m_surface)) ? GHOST_kSuccess : GHOST_kFailure;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextEGL::setSwapInterval(int interval)
+{
+	if (EGLEW_VERSION_1_1) {
+		if (EGL_CHK(::eglSwapInterval(m_display, interval))) {
+			m_swap_interval = interval;
+
+			return  GHOST_kSuccess;
+		}
+		else {
+			return GHOST_kFailure;
+		}
+	}
+	else {
+		return GHOST_kFailure;
+	}
+}
+
+
+
+GHOST_TSuccess GHOST_ContextEGL::getSwapInterval(int& intervalOut)
+{
+	intervalOut = m_swap_interval; // XXX jwilkins: make sure there is no way to query this?
+
+	return GHOST_kSuccess;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextEGL::activateDrawingContext()
+{
+	if (m_display) {
+		activateEGLEW();
+		activateGLEW();
+
+		bindAPI(m_api);
+
+		return EGL_CHK(::eglMakeCurrent(m_display, m_surface, m_surface, m_context)) ? GHOST_kSuccess : GHOST_kFailure;
+	}
+	else {
+		return GHOST_kFailure;
+	}
+}
+
+
+
+void GHOST_ContextEGL::initContextEGLEW()
+{
+	eglewContext = new EGLEWContext;
+	memset(eglewContext, 0, sizeof(EGLEWContext));
+
+	delete m_eglewContext;
+	m_eglewContext = eglewContext;
+
+	GLEW_CHK(eglewInit(m_display));
+}
+
+
+
+static std::set<std::string> split(const std::string s, char delim = ' ')
+{
+	std::set<std::string> elems;
+	std::stringstream ss(s);
+	std::string item;
+
+	while (std::getline(ss, item, delim))
+		elems.insert(item);
+
+	return elems;
+}
+
+
+
+static const std::string& api_string(EGLenum api)
+{
+	static const std::string a("OpenGL"   );
+	static const std::string b("OpenGL ES");
+	static const std::string c("OpenVG"   );
+
+	return choose_api(api, a, b, c);
+}
+
+GHOST_TSuccess GHOST_ContextEGL::initializeDrawingContext()
+{
+	// objects have to be declared here due to the use of goto
+	std::vector<EGLint> attrib_list;
+
+	if (m_stereoVisual)
+		fprintf(stderr, "Warning! Stereo OpenGL ES contexts are not supported.\n");
+
+	m_stereoVisual = false; // It doesn't matter what the Window wants.
+
+#if defined(WITH_ANGLE)
+	// d3dcompiler_XX.dll needs to be loaded before ANGLE will work
+	if (s_d3dcompiler == NULL) {
+		s_d3dcompiler = LoadLibrary(D3DCOMPILER);
+
+		if (s_d3dcompiler == NULL) {
+			fprintf(stderr, "LoadLibrary(\"" D3DCOMPILER "\") failed!\n");
+			return GHOST_kFailure;
+		}
+	}
+#endif
+
+	EGLDisplay prev_display = eglGetCurrentDisplay();
+	EGLSurface prev_draw    = eglGetCurrentSurface(EGL_DRAW);
+	EGLSurface prev_read    = eglGetCurrentSurface(EGL_READ);
+	EGLContext prev_context = eglGetCurrentContext();
+
+	m_display = ::eglGetDisplay(m_nativeDisplay);
+
+	if (!EGL_CHK(m_display != EGL_NO_DISPLAY))
+		return GHOST_kFailure;
+
+	EGLint egl_major, egl_minor;
+
+	if (!EGL_CHK(::eglInitialize(m_display, &egl_major, &egl_minor)))
+		goto error;
+
+	fprintf(stderr, "EGL Version %d.%d\n", egl_major, egl_minor);
+
+	if (!EGL_CHK(::eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT)))
+		goto error;
+
+	initContextEGLEW();
+
+	if (!bindAPI(m_api))
+		goto error;
+
+
+	// build attribute list
+
+	attrib_list.reserve(20);
+
+	if (m_api == EGL_OPENGL_ES_API && EGLEW_VERSION_1_2) {
+		// According to the spec it seems that you are required to set EGL_RENDERABLE_TYPE,
+		// but some implementations (ANGLE) do not seem to care.
+
+		if (m_contextMajorVersion == 1) {
+			attrib_list.push_back(EGL_RENDERABLE_TYPE);
+			attrib_list.push_back(EGL_OPENGL_ES_BIT);
+		}
+		else if (m_contextMajorVersion == 2) {
+			attrib_list.push_back(EGL_RENDERABLE_TYPE);
+			attrib_list.push_back(EGL_OPENGL_ES2_BIT);
+		}
+		else if (m_contextMajorVersion == 3) {
+			attrib_list.push_back(EGL_RENDERABLE_TYPE);
+			attrib_list.push_back(EGL_OPENGL_ES3_BIT_KHR);
+		}
+		else {
+			fprintf(stderr, "Warning! Unable to request an ES context of version %d.%d\n", m_contextMajorVersion, m_contextMinorVersion);
+		}
+
+		if (!((m_contextMajorVersion == 1) ||
+		      (m_contextMajorVersion == 2 &&   EGLEW_VERSION_1_3) ||
+		      (m_contextMajorVersion == 3 && /*EGLEW_VERSION_1_4 &&*/ EGLEW_KHR_create_context) ||
+		      (m_contextMajorVersion == 3 &&   EGLEW_VERSION_1_5)))
+		{
+			fprintf(
+				stderr,
+				"Warning! May not be able to create a version %d.%d ES context with version %d.%d of EGL\n",
+				m_contextMajorVersion,
+				m_contextMinorVersion,
+				egl_major,
+				egl_minor);
+		}
+	}
+
+	attrib_list.push_back(EGL_RED_SIZE);
+	attrib_list.push_back(8);
+
+	attrib_list.push_back(EGL_GREEN_SIZE);
+	attrib_list.push_back(8);
+
+	attrib_list.push_back(EGL_BLUE_SIZE);
+	attrib_list.push_back(8);
+
+#ifdef GHOST_OPENGL_ALPHA
+	attrib_list.push_back(EGL_ALPHA_SIZE);
+	attrib_list.push_back(8);
+#endif
+
+	attrib_list.push_back(EGL_DEPTH_SIZE);
+	attrib_list.push_back(24);
+
+#ifdef GHOST_OPENGL_STENCIL
+	attrib_list.push_back(EGL_STENCIL_SIZE);
+	attrib_list.push_back(8);
+#endif
+
+	if (m_numOfAASamples > 0) {
+		attrib_list.push_back(EGL_SAMPLE_BUFFERS);
+		attrib_list.push_back(1);
+
+		attrib_list.push_back(EGL_SAMPLES);
+		attrib_list.push_back(m_numOfAASamples);
+	}
+
+	attrib_list.push_back(EGL_NONE);
+
+	EGLConfig config;
+	EGLint    num_config = 0;
+
+	if (!EGL_CHK(::eglChooseConfig(m_display, &(attrib_list[0]), &config, 1, &num_config)))
+		goto error;
+
+	// A common error is to assume that ChooseConfig worked because it returned EGL_TRUE
+	if (num_config != 1) // num_config should be exactly 1
+		goto error;
+
+	if (m_numOfAASamples > 0) {
+		EGLint actualSamples;
+
+		if (!EGL_CHK(::eglGetConfigAttrib(m_display, config, EGL_SAMPLE_BUFFERS, &actualSamples)))
+			goto error;
+
+		if (m_numOfAASamples != actualSamples) {
+			fprintf(
+				stderr,
+				"Warning! Unable to find a multisample pixel format that supports exactly %d samples. Substituting one that uses %d samples.\n",
+				m_numOfAASamples,
+				actualSamples);
+
+			m_numOfAASamples = (GHOST_TUns16)actualSamples;
+		}
+	}
+
+	m_surface = ::eglCreateWindowSurface(m_display, config, m_nativeWindow, NULL);
+
+	if (!EGL_CHK(m_surface != EGL_NO_SURFACE))
+		goto error;
+
+	attrib_list.clear();
+
+	if (EGLEW_VERSION_1_5 || EGLEW_KHR_create_context) {
+		if (m_api == EGL_OPENGL_API || m_api == EGL_OPENGL_ES_API) {
+			if (m_contextMajorVersion != 0) {
+				attrib_list.push_back(EGL_CONTEXT_MAJOR_VERSION_KHR);
+				attrib_list.push_back(m_contextMajorVersion);
+			}
+
+			if (m_contextMinorVersion != 0) {
+				attrib_list.push_back(EGL_CONTEXT_MINOR_VERSION_KHR);
+				attrib_list.push_back(m_contextMinorVersion);
+			}
+
+			if (m_contextFlags != 0) {
+				attrib_list.push_back(EGL_CONTEXT_FLAGS_KHR);
+				attrib_list.push_back(m_contextFlags);
+			}
+		}
+		else {
+			if (m_contextMajorVersion != 0 || m_contextMinorVersion != 0)
+				fprintf(stderr, "Warning! Cannot request specific versions of %s contexts.", api_string(m_api));
+
+			if (m_contextFlags != 0)
+				fprintf(stderr, "Warning! Flags cannot be set on %s contexts.", api_string(m_api));
+		}
+
+		if (m_api == EGL_OPENGL_API) {
+			if (m_contextProfileMask != 0) {
+				attrib_list.push_back(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR);
+				attrib_list.push_back(m_contextProfileMask);
+			}
+		}
+		else {
+			if (m_contextProfileMask != 0)
+				fprintf(stderr, "Warning! Cannot select profile for %s contexts.", api_string(m_api));
+		}
+
+		if (m_api == EGL_OPENGL_API || EGLEW_VERSION_1_5) {
+			if (m_contextResetNotificationStrategy != 0) {
+				attrib_list.push_back(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR);
+				attrib_list.push_back(m_contextResetNotificationStrategy);
+			}
+		}
+		else {
+			if (m_contextResetNotificationStrategy != 0)
+				fprintf(stderr, "Warning! EGL %d.%d cannot set the reset notification strategy on %s contexts.", egl_major, egl_minor, api_string(m_api));
+		}
+	}
+	else {
+		if (m_api == EGL_OPENGL_ES_API) {
+			if (m_contextMajorVersion != 0) {
+				attrib_list.push_back(EGL_CONTEXT_CLIENT_VERSION);
+				attrib_list.push_back(m_contextMajorVersion);
+			}
+		}
+		else {
+			if (m_contextMajorVersion != 0 || m_contextMinorVersion != 0)
+				fprintf(stderr, "Warning! EGL %d.%d is unable to select between versions of %s.", egl_major, egl_minor, api_string(m_api));
+		}
+
+		if (m_contextFlags != 0)
+			fprintf(stderr, "Warning! EGL %d.%d is unable to set context flags.", egl_major, egl_minor);
+
+		if (m_contextProfileMask  != 0)
+			fprintf(stderr, "Warning! EGL %d.%d is unable to select between profiles.", egl_major, egl_minor);
+
+		if (m_contextResetNotificationStrategy != 0)
+			fprintf(stderr, "Warning! EGL %d.%d is unable to set the reset notification strategies.", egl_major, egl_minor);
+	}
+
+	attrib_list.push_back(EGL_NONE);
+
+	m_context = ::eglCreateContext(m_display, config, m_sharedContext, &(attrib_list[0]));
+
+	if (!EGL_CHK(m_context != EGL_NO_CONTEXT))
+		goto error;
+
+	if (m_sharedContext == EGL_NO_CONTEXT)
+		m_sharedContext = m_context;
+
+	m_sharedCount++;
+
+	if (!EGL_CHK(::eglMakeCurrent(m_display, m_surface, m_surface, m_context)))
+		goto error;
+
+	initContextGLEW();
+
+	glClearColor(0.447, 0.447, 0.447, 0.000);
+	glClear(GL_COLOR_BUFFER_BIT);
+	glClearColor(0.000, 0.000, 0.000, 0.000);
+
+	return GHOST_kSuccess;
+
+error:
+	if (prev_display != EGL_NO_DISPLAY)
+		EGL_CHK(eglMakeCurrent(prev_display, prev_draw, prev_read, prev_context));
+
+	return GHOST_kFailure;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextEGL::releaseNativeHandles()
+{
+	m_nativeWindow  = NULL;
+	m_nativeDisplay = NULL;
+
+	return GHOST_kSuccess;
+}

intern/ghost/intern/GHOST_ContextEGL.h

@@ -0,0 +1,162 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2013 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file ghost/intern/GHOST_ContextEGL.h
+ *  \ingroup GHOST
+ * Declaration of GHOST_ContextEGL class.
+ */
+
+#ifndef _GHOST_CONTEXTEGL_H_
+#define _GHOST_CONTEXTEGL_H_
+
+#include "GHOST_Context.h"
+
+#define eglewGetContext() eglewContext
+#include <GL/eglew.h>
+extern "C" EGLEWContext* eglewContext;
+
+
+
+#ifndef GHOST_OPENGL_EGL_CONTEXT_FLAGS
+#define GHOST_OPENGL_EGL_CONTEXT_FLAGS 0
+#endif
+
+#ifndef GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY
+#define GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY 0
+#endif
+
+
+
+class GHOST_ContextEGL : public GHOST_Context
+{
+public:
+	/**
+	 * Constructor.
+	 */
+	GHOST_ContextEGL(
+		bool                 stereoVisual,
+		GHOST_TUns16         numOfAASamples,
+		EGLNativeWindowType  nativeWindow,
+		EGLNativeDisplayType nativeDisplay,
+		EGLint               contextProfileMask,
+		EGLint               contextMajorVersion,
+		EGLint               contextMinorVersion,
+		EGLint               contextFlags,
+		EGLint               contextResetNotificationStrategy,
+		EGLenum              api
+	);
+
+	/**
+	 * Destructor.
+	 */
+	virtual ~GHOST_ContextEGL();
+
+	/**
+	 * Swaps front and back buffers of a window.
+	 * \return  A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess swapBuffers();
+
+	/**
+	 * Activates the drawing context of this window.
+	 * \return  A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess activateDrawingContext();
+
+	/**
+	 * Call immediately after new to initialize.  If this fails then immediately delete the object.
+	 * \return Indication as to whether initialization has succeeded.
+	 */
+	virtual GHOST_TSuccess initializeDrawingContext();
+
+	/**
+	 * Removes references to native handles from this context and then returns
+	 * \return GHOST_kSuccess if it is OK for the parent to release the handles and GHOST_kFailure if releasing the handles will interfere with sharing
+	 */
+	virtual GHOST_TSuccess releaseNativeHandles();
+
+	/**
+	 * Sets the swap interval for swapBuffers.
+	 * \param interval The swap interval to use.
+	 * \return A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess setSwapInterval(int interval);
+
+	/**
+	 * Gets the current swap interval for swapBuffers.
+	 * \param intervalOut Variable to store the swap interval if it can be read.
+	 * \return Whether the swap interval can be read.
+	 */
+	GHOST_TSuccess getSwapInterval(int& intervalOut);
+
+protected:
+	inline void activateEGLEW() const {
+		eglewContext = m_eglewContext;
+	}
+
+private:
+	void initContextEGLEW();
+
+	EGLNativeDisplayType m_nativeDisplay;
+	EGLNativeWindowType  m_nativeWindow;
+
+	const EGLint m_contextProfileMask;
+	const EGLint m_contextMajorVersion;
+	const EGLint m_contextMinorVersion;
+	const EGLint m_contextFlags;
+	const EGLint m_contextResetNotificationStrategy;
+
+	const EGLenum m_api;
+
+	EGLContext m_context;
+	EGLSurface m_surface;
+	EGLDisplay m_display;
+
+	EGLint m_swap_interval;
+
+	EGLEWContext* m_eglewContext;
+
+	EGLContext& m_sharedContext;
+	EGLint&     m_sharedCount;
+
+	static EGLContext s_gl_sharedContext;
+	static EGLint     s_gl_sharedCount;
+
+	static EGLContext s_gles_sharedContext;
+	static EGLint     s_gles_sharedCount;
+
+	static EGLContext s_vg_sharedContext;
+	static EGLint     s_vg_sharedCount;
+
+#if defined(WITH_ANGLE)
+	static HMODULE s_d3dcompiler;
+#endif
+};
+
+
+
+#endif // _GHOST_CONTEXTEGL_H_

intern/ghost/intern/GHOST_ContextGLX.cpp

@@ -0,0 +1,338 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2014 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file ghost/intern/GHOST_ContextGLX.cpp
+ *  \ingroup GHOST
+ * Definition of GHOST_ContextGLX class.
+ */
+
+#include "GHOST_ContextGLX.h"
+#include "GHOST_SystemX11.h"
+
+#include <vector>
+
+#include <cassert>
+#include <cstdlib>
+#include <cstdio>
+#include <cstring>
+
+
+GLXEWContext* glxewContext = NULL;
+
+
+
+GLXContext GHOST_ContextGLX::s_sharedContext = None;
+int        GHOST_ContextGLX::s_sharedCount   = 0;
+
+
+
+GHOST_ContextGLX::GHOST_ContextGLX(
+	bool         stereoVisual,
+	GHOST_TUns16 numOfAASamples,
+	Window       window,
+	Display*     display,
+	int          contextProfileMask,
+	int          contextMajorVersion,
+	int          contextMinorVersion,
+	int          contextFlags,
+	int          contextResetNotificationStrategy
+)
+	: GHOST_Context(stereoVisual, numOfAASamples)
+	, m_window (window)
+	, m_display(display)
+	, m_contextProfileMask              (contextProfileMask)
+	, m_contextMajorVersion             (contextMajorVersion)
+	, m_contextMinorVersion             (contextMinorVersion)
+	, m_contextFlags                    (contextFlags)
+	, m_contextResetNotificationStrategy(contextResetNotificationStrategy)
+	, m_visualInfo  (NULL)
+	, m_context     (None)
+	, m_glxewContext(NULL)
+{
+	assert(m_window  != 0);
+	assert(m_display != NULL);
+}
+
+
+
+GHOST_ContextGLX::~GHOST_ContextGLX()
+{
+	if (m_display != NULL) {
+		activateGLXEW();
+
+		if (m_context != None) {
+			if (m_window != 0 && m_context == ::glXGetCurrentContext())
+				::glXMakeCurrent(m_display, m_window, NULL);
+
+			if (m_context != s_sharedContext || s_sharedCount == 1) {
+				assert(s_sharedCount > 0);
+
+				s_sharedCount--;
+
+				if (s_sharedCount == 0)
+					s_sharedContext = NULL;
+
+				::glXDestroyContext(m_display, m_context);
+			}
+		}
+
+		delete m_glxewContext;
+	}
+
+	XFree(m_visualInfo);
+}
+
+
+
+GHOST_TSuccess GHOST_ContextGLX::swapBuffers()
+{
+	::glXSwapBuffers(m_display, m_window);
+
+	return GHOST_kSuccess;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextGLX::activateDrawingContext()
+{
+	if (m_display) {
+		activateGLXEW();
+		activateGLEW();
+
+		return ::glXMakeCurrent(m_display, m_window, m_context) ? GHOST_kSuccess : GHOST_kFailure;
+	}
+	else {
+		return GHOST_kFailure;
+	}
+}
+
+
+
+void GHOST_ContextGLX::initContextGLXEW()
+{
+	glxewContext = new GLXEWContext;
+	memset(glxewContext, 0, sizeof(GLXEWContext));
+
+	delete m_glxewContext;
+	m_glxewContext = glxewContext;
+
+	GLEW_CHK(glxewInit());
+}
+
+
+
+GHOST_TSuccess GHOST_ContextGLX::initializeDrawingContext()
+{
+	/* Set up the minimum atrributes that we require and see if
+	 * X can find us a visual matching those requirements. */
+
+	std::vector<int> attribs;
+	attribs.reserve(40);
+
+	int glx_major, glx_minor; /* GLX version: major.minor */
+
+	if (!glXQueryVersion(m_display, &glx_major, &glx_minor)) {
+		fprintf(stderr, "%s:%d: X11 glXQueryVersion() failed, verify working openGL system!\n", __FILE__, __LINE__);
+
+		/* exit if this is the first window */
+		if (s_sharedContext == NULL) {
+			fprintf(stderr, "initial window could not find the GLX extension, exit!\n");
+			exit(EXIT_FAILURE);
+		}
+
+		return GHOST_kFailure;
+	}
+
+#ifdef GHOST_OPENGL_ALPHA
+	static const bool needAlpha   = true;
+#else
+	static const bool needAlpha   = false;
+#endif
+
+#ifdef GHOST_OPENGL_STENCIL
+	static const bool needStencil = true;
+#else
+	static const bool needStencil = false;
+#endif
+
+	/* Find the display with highest samples, starting at level requested */
+	int actualSamples = m_numOfAASamples;
+	for(;;) {
+		attribs.clear();
+
+		if (m_stereoVisual)
+			attribs.push_back(GLX_STEREO);
+
+		attribs.push_back(GLX_RGBA);
+
+		attribs.push_back(GLX_DOUBLEBUFFER);
+
+		attribs.push_back(GLX_RED_SIZE);
+		attribs.push_back(1);
+
+		attribs.push_back(GLX_BLUE_SIZE);
+		attribs.push_back(1);
+
+		attribs.push_back(GLX_GREEN_SIZE);
+		attribs.push_back(1);
+
+		attribs.push_back(GLX_DEPTH_SIZE);
+		attribs.push_back(1);
+
+		if (needAlpha) {
+			attribs.push_back(GLX_ALPHA_SIZE);
+			attribs.push_back(1);
+		}
+
+		if (needStencil) {
+			attribs.push_back(GLX_STENCIL_SIZE);
+			attribs.push_back(1);
+		}
+
+		/* GLX >= 1.4 required for multi-sample */
+		if (actualSamples > 0 && (glx_major >= 1) && (glx_minor >= 4)) {
+			attribs.push_back(GLX_SAMPLE_BUFFERS);
+			attribs.push_back(1);
+
+			attribs.push_back(GLX_SAMPLES);
+			attribs.push_back(actualSamples);
+		}
+
+		attribs.push_back(None);
+
+		m_visualInfo = glXChooseVisual(m_display, DefaultScreen(m_display), &attribs[0]);
+
+		/* Any sample level or even zero, which means oversampling disabled, is good
+		 * but we need a valid visual to continue */
+		if (m_visualInfo != NULL) {
+			if (actualSamples < m_numOfAASamples) {
+				fprintf(
+					stderr,
+					"Warning! Unable to find a multisample pixel format that supports exactly %d samples. Substituting one that uses %d samples.\n",
+					m_numOfAASamples,
+					actualSamples);
+			}
+			break;
+		}
+
+		if (actualSamples == 0) {
+			/* All options exhausted, cannot continue */
+			fprintf(stderr, "%s:%d: X11 glXChooseVisual() failed, verify working openGL system!\n", __FILE__, __LINE__);
+
+			if (s_sharedContext == None) {
+				fprintf(stderr, "initial window could not find the GLX extension, exit!\n");
+				exit(1);
+			}
+
+			return GHOST_kFailure;
+		}
+		else {
+			--actualSamples;
+		}
+	}
+
+	m_numOfAASamples = actualSamples;
+
+#ifdef WITH_X11_XINPUT
+	/* use our own event handlers to avoid exiting blender,
+	 * this would happen for eg:
+	 * if you open blender, unplug a tablet, then open a new window. */
+	XErrorHandler   old_handler    = XSetErrorHandler  (GHOST_X11_ApplicationErrorHandler  );
+	XIOErrorHandler old_handler_io = XSetIOErrorHandler(GHOST_X11_ApplicationIOErrorHandler);
+#endif
+
+	m_context = glXCreateContext(m_display, m_visualInfo, s_sharedContext, True);
+
+	GHOST_TSuccess success;
+
+	if (m_context != NULL) {
+		if (!s_sharedContext)
+			s_sharedContext = m_context;
+
+		glXMakeCurrent(m_display, m_window, m_context);
+
+		initContextGLEW();
+		initContextGLXEW(); // XXX jwilkins: seems that this has to be called after MakeCurrent, which means we cannot use extensions until after we create a context
+
+		glClearColor(0.447, 0.447, 0.447, 0.000);
+		glClear(GL_COLOR_BUFFER_BIT);
+		glClearColor(0.000, 0.000, 0.000, 0.000);
+
+		success = GHOST_kSuccess;
+	}
+	else {
+		success = GHOST_kFailure;
+	}
+
+#ifdef WITH_X11_XINPUT
+	/* Restore handler */
+	XSetErrorHandler  (old_handler);
+	XSetIOErrorHandler(old_handler_io);
+#endif
+
+	return success;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextGLX::releaseNativeHandles()
+{
+	m_window = 0;
+
+	return GHOST_kSuccess;
+}
+
+
+GHOST_TSuccess GHOST_ContextGLX::setSwapInterval(int interval)
+{
+	if (GLXEW_EXT_swap_control) {
+		::glXSwapIntervalEXT(m_display, m_window, interval);
+
+		return GHOST_kSuccess;
+	}
+	else {
+		return GHOST_kFailure;
+	}
+}
+
+
+
+GHOST_TSuccess GHOST_ContextGLX::getSwapInterval(int& intervalOut)
+{
+	if (GLXEW_EXT_swap_control) {
+		unsigned int interval = 0;
+
+		::glXQueryDrawable(m_display, m_window, GLX_SWAP_INTERVAL_EXT, &interval);
+
+		intervalOut = static_cast<int>(interval);
+
+		return GHOST_kSuccess;
+	}
+	else {
+		return GHOST_kFailure;
+	}
+}

intern/ghost/intern/GHOST_ContextGLX.h

@@ -0,0 +1,145 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2014 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file ghost/intern/GHOST_ContextGLX.h
+ *  \ingroup GHOST
+ * Declaration of GHOST_ContextGLX class.
+ */
+
+#ifndef _GHOST_CONTEXTGLX_H_
+#define _GHOST_CONTEXTGLX_H_
+
+#include "GHOST_Context.h"
+
+#define glxewGetContext() glxewContext
+#include <GL/glxew.h>
+extern "C" GLXEWContext* glxewContext;
+
+
+
+#ifndef GHOST_OPENGL_GLX_CONTEXT_FLAGS
+#define GHOST_OPENGL_GLX_CONTEXT_FLAGS 0
+#endif
+
+#ifndef GHOST_OPENGL_GLX_RESET_NOTIFICATION_STRATEGY
+#define GHOST_OPENGL_GLX_RESET_NOTIFICATION_STRATEGY 0
+#endif
+
+
+
+class GHOST_ContextGLX : public GHOST_Context
+{
+public:
+	/**
+	 * Constructor.
+	 */
+	GHOST_ContextGLX(
+		bool         stereoVisual,
+		GHOST_TUns16 numOfAASamples,
+		Window       window,
+		Display*     display,
+		int          contextProfileMask,
+		int          contextMajorVersion,
+		int          contextMinorVersion,
+		int          contextFlags,
+		int          contextResetNotificationStrategy
+	);
+
+	/**
+	 * Destructor.
+	 */
+	virtual ~GHOST_ContextGLX();
+
+	/**
+	 * Swaps front and back buffers of a window.
+	 * \return  A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess swapBuffers();
+
+	/**
+	 * Activates the drawing context of this window.
+	 * \return  A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess activateDrawingContext();
+
+	/**
+	 * Call immediately after new to initialize.  If this fails then immediately delete the object.
+	 * \return Indication as to whether initialization has succeeded.
+	 */
+	virtual GHOST_TSuccess initializeDrawingContext();
+
+	/**
+	 * Removes references to native handles from this context and then returns
+	 * \return GHOST_kSuccess if it is OK for the parent to release the handles and GHOST_kFailure if releasing the handles will interfere with sharing
+	 */
+	virtual GHOST_TSuccess releaseNativeHandles();
+
+	/**
+	 * Sets the swap interval for swapBuffers.
+	 * \param interval The swap interval to use.
+	 * \return A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess setSwapInterval(int interval);
+
+	/**
+	 * Gets the current swap interval for swapBuffers.
+	 * \param intervalOut Variable to store the swap interval if it can be read.
+	 * \return Whether the swap interval can be read.
+	 */
+	virtual GHOST_TSuccess getSwapInterval(int& intervalOut);
+
+protected:
+	inline void activateGLXEW() const {
+		glxewContext = m_glxewContext;
+	}
+
+private:
+	void initContextGLXEW();
+
+	Display *m_display;
+	Window   m_window;
+
+	const int m_contextProfileMask;
+	const int m_contextMajorVersion;
+	const int m_contextMinorVersion;
+	const int m_contextFlags;
+	const int m_contextResetNotificationStrategy;
+
+	XVisualInfo *m_visualInfo;
+
+	GLXContext m_context;
+
+	GLXEWContext* m_glxewContext;
+
+	/** The first created OpenGL context (for sharing display lists) */
+	static GLXContext s_sharedContext;
+	static int        s_sharedCount;
+};
+
+
+
+#endif // _GHOST_CONTEXTGLX_H_

intern/ghost/intern/GHOST_ContextNone.cpp

@@ -0,0 +1,85 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2013 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file ghost/intern/GHOST_ContextNone.cpp
+ *  \ingroup GHOST
+ * Definition of GHOST_ContextNone class.
+ */
+
+#include "GHOST_ContextNone.h"
+
+
+
+GHOST_TSuccess GHOST_ContextNone::swapBuffers()
+{
+	return GHOST_kSuccess;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextNone::activateDrawingContext()
+{
+	return GHOST_kSuccess;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextNone::updateDrawingContext()
+{
+	return GHOST_kSuccess;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextNone::initializeDrawingContext()
+{
+	return GHOST_kSuccess;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextNone::releaseNativeHandles()
+{
+	return GHOST_kSuccess;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextNone::setSwapInterval(int interval)
+{
+	m_swapInterval = interval;
+
+	return GHOST_kSuccess;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextNone::getSwapInterval(int& intervalOut)
+{
+	intervalOut = m_swapInterval;
+	return GHOST_kSuccess;
+}

intern/ghost/intern/GHOST_ContextNone.h

@@ -0,0 +1,98 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2013 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file ghost/intern/GHOST_ContextNone.h
+ *  \ingroup GHOST
+ * Declaration of GHOST_Context class.
+ */
+
+#ifndef __GHOST_CONTEXTNONE_H__
+#define __GHOST_CONTEXTNONE_H__
+
+#include "GHOST_Context.h"
+
+
+
+class GHOST_ContextNone : public GHOST_Context
+{
+public:
+
+	GHOST_ContextNone(bool stereoVisual, GHOST_TUns16 numOfAASamples)
+		: GHOST_Context(stereoVisual, numOfAASamples)
+		, m_swapInterval(1)
+	{}
+
+	/**
+	 * Dummy function
+	 * \return  Always succeeds
+	 */
+	virtual GHOST_TSuccess swapBuffers();
+
+	/**
+	 * Dummy function
+	 * \return  Always succeeds
+	 */
+	virtual GHOST_TSuccess activateDrawingContext();
+
+	/**
+	 * Dummy function
+	 * \return Always succeeds
+	 */
+	virtual GHOST_TSuccess updateDrawingContext();
+
+	/**
+	 * Dummy function
+	 * \return Always succeeds
+	 */
+	virtual GHOST_TSuccess initializeDrawingContext();
+
+	/**
+	 * Dummy function
+	 * \return Always succeeds
+	 */
+	virtual GHOST_TSuccess releaseNativeHandles();
+
+	/**
+	 * Dummy function
+	 * \return Always succeeds
+	 */
+	virtual GHOST_TSuccess setSwapInterval(int interval);
+
+	/**
+	 * Dummy function
+	 * \param intervalOut Gets whatever was set by setSwapInterval
+	 * \return Always succeeds
+	 */
+	virtual GHOST_TSuccess getSwapInterval(int& intervalOut);
+
+private:
+	int m_swapInterval;
+};
+
+
+
+#endif // __GHOST_CONTEXTNONE_H__

intern/ghost/intern/GHOST_ContextWGL.cpp

@@ -0,0 +1,976 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2013 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file ghost/intern/GHOST_ContextWGL.cpp
+ *  \ingroup GHOST
+ * Definition of GHOST_ContextWGL class.
+ */
+
+#include "GHOST_ContextWGL.h"
+
+#include <tchar.h>
+
+#include <cstdio>
+#include <cassert>
+#include <vector>
+
+
+
+WGLEWContext* wglewContext = NULL;
+
+
+
+HGLRC GHOST_ContextWGL::s_sharedHGLRC = NULL;
+int   GHOST_ContextWGL::s_sharedCount = 0;
+
+bool GHOST_ContextWGL::s_singleContextMode = false;
+
+
+
+/* Intel videocards don't work fine with multiple contexts and
+ * have to share the same context for all windows.
+ * But if we just share context for all windows it could work incorrect
+ * with multiple videocards configuration. Suppose, that Intel videocards
+ * can't be in multiple-devices configuration. */
+static bool is_crappy_intel_card()
+{
+	return strstr((const char*)glGetString(GL_VENDOR), "Intel") != NULL;
+}
+
+
+
+bool win32_chk(bool result, const char* file = NULL, int line = 0, const char* text = NULL)
+{
+	if (!result) {
+		LPTSTR formattedMsg = NULL;
+
+		DWORD error = GetLastError();
+
+		const char* msg;
+
+		DWORD count = 0;
+
+		switch (error) {
+			case ERROR_INVALID_VERSION_ARB:
+				msg = "The specified OpenGL version and feature set are either invalid or not supported.\n";
+				break;
+
+			case ERROR_INVALID_PROFILE_ARB:
+				msg = "The specified OpenGL profile and feature set are either invalid or not supported.\n";
+				break;
+
+			case ERROR_INVALID_PIXEL_TYPE_ARB:
+				msg = "The specified pixel type is invalid.\n";
+				break;
+
+			case ERROR_INCOMPATIBLE_DEVICE_CONTEXTS_ARB:
+				msg = "The device contexts specified are not compatible.  This can occur if the device contexts are managed by different drivers or possibly on different graphics adapters.\n";
+				break;
+
+#if WITH_GLEW_ES
+			case ERROR_INCOMPATIBLE_AFFINITY_MASKS_NV:
+				msg = "The device context(s) and rendering context have non-matching affinity masks.\n";
+				break;
+
+			case ERROR_MISSING_AFFINITY_MASK_NV:
+				msg = "The rendering context does not have an affinity mask set.\n";
+				break;
+#endif
+
+			case ERROR_PROFILE_DOES_NOT_MATCH_DEVICE:
+				msg = "The specified profile is intended for a device of a different type than the specified device.\n";
+				break;
+
+			default:
+			{
+				count =
+					FormatMessage(
+						(FORMAT_MESSAGE_ALLOCATE_BUFFER |
+						 FORMAT_MESSAGE_FROM_SYSTEM     |
+						 FORMAT_MESSAGE_IGNORE_INSERTS),
+						NULL,
+						error,
+						MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+						(LPTSTR)(&formattedMsg),
+						0,
+						NULL);
+
+				msg = count > 0 ? formattedMsg : "<no system message>\n";
+				break;
+			}
+		}
+
+#ifndef NDEBUG
+		_ftprintf(
+			stderr,
+			"%s(%d):[%s] -> Win32 Error# (%d): %s",
+			file, 
+			line,
+			text,
+			error,
+			msg);
+#else
+		_ftprintf(
+			stderr,
+			"Win32 Error# (%d): %s",
+			error,
+			msg);
+#endif
+
+		SetLastError(NO_ERROR);
+
+		if (count != 0)
+			LocalFree(formattedMsg);
+	}
+
+	return result;
+}
+
+#ifndef NDEBUG
+#define WIN32_CHK(x) win32_chk((x), __FILE__, __LINE__, #x)
+#else
+#define WIN32_CHK(x) win32_chk(x)
+#endif
+
+
+
+GHOST_ContextWGL::GHOST_ContextWGL(
+	bool         stereoVisual,
+	GHOST_TUns16 numOfAASamples,
+	HWND         hWnd,
+	HDC          hDC,
+	int          contextProfileMask,
+	int          contextMajorVersion,
+	int          contextMinorVersion,
+	int          contextFlags,
+	int          contextResetNotificationStrategy
+)
+	: GHOST_Context(stereoVisual, numOfAASamples)
+	, m_hWnd(hWnd)
+	, m_hDC (hDC)
+	, m_contextProfileMask              (contextProfileMask)
+	, m_contextMajorVersion             (contextMajorVersion)
+	, m_contextMinorVersion             (contextMinorVersion)
+	, m_contextFlags                    (contextFlags)
+	, m_contextResetNotificationStrategy(contextResetNotificationStrategy)
+	, m_hGLRC(NULL)
+	, m_wglewContext(NULL)
+#ifndef NDEBUG
+	, m_dummyVendor  (NULL)
+	, m_dummyRenderer(NULL)
+	, m_dummyVersion (NULL)
+#endif
+{
+	assert(m_hWnd);
+	assert(m_hDC);
+}
+
+
+
+GHOST_ContextWGL::~GHOST_ContextWGL()
+{
+	if (m_hGLRC != NULL) {
+		if (m_hGLRC == ::wglGetCurrentContext())
+			WIN32_CHK(::wglMakeCurrent(NULL, NULL));
+
+		if (m_hGLRC != s_sharedHGLRC || s_sharedCount == 1) {
+			assert(s_sharedCount > 0);
+
+			s_sharedCount--;
+
+			if (s_sharedCount == 0)
+				s_sharedHGLRC = NULL;
+
+			WIN32_CHK(::wglDeleteContext(m_hGLRC));
+		}
+	}
+
+	delete m_wglewContext;
+
+#ifndef NDEBUG
+	delete m_dummyRenderer;
+	delete m_dummyVendor;
+	delete m_dummyVersion;
+#endif
+}
+
+
+
+GHOST_TSuccess GHOST_ContextWGL::swapBuffers()
+{
+	return WIN32_CHK(::SwapBuffers(m_hDC)) ? GHOST_kSuccess : GHOST_kFailure;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextWGL::setSwapInterval(int interval)
+{
+	if (WGLEW_EXT_swap_control)
+		return WIN32_CHK(::wglSwapIntervalEXT(interval)) == TRUE ? GHOST_kSuccess : GHOST_kFailure;
+	else
+		return GHOST_kFailure;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextWGL::getSwapInterval(int& intervalOut)
+{
+	if (WGLEW_EXT_swap_control) {
+		intervalOut = ::wglGetSwapIntervalEXT();
+		return GHOST_kSuccess;
+	}
+	else {
+		return GHOST_kFailure;
+	}
+}
+
+
+
+GHOST_TSuccess GHOST_ContextWGL::activateDrawingContext()
+{
+	if (WIN32_CHK(::wglMakeCurrent(m_hDC, m_hGLRC))) {
+		activateGLEW();
+		return GHOST_kSuccess;
+	}
+	else {
+		return GHOST_kFailure;
+	}
+}
+
+
+
+/* Ron Fosner's code for weighting pixel formats and forcing software.
+ * See http://www.opengl.org/resources/faq/technical/weight.cpp */
+
+static int weight_pixel_format(PIXELFORMATDESCRIPTOR& pfd)
+{
+	int weight = 0;
+
+	/* assume desktop color depth is 32 bits per pixel */
+
+	/* cull unusable pixel formats */
+	/* if no formats can be found, can we determine why it was rejected? */
+	if (!(pfd.dwFlags & PFD_SUPPORT_OPENGL)  ||
+	    !(pfd.dwFlags & PFD_DRAW_TO_WINDOW)  ||
+	    !(pfd.dwFlags & PFD_DOUBLEBUFFER)    || /* Blender _needs_ this */
+	    !(pfd.iPixelType == PFD_TYPE_RGBA)   ||
+	     (pfd.cDepthBits < 16)               ||
+	     (pfd.dwFlags & PFD_GENERIC_FORMAT))    /* no software renderers */
+	{
+		return 0;
+	}
+
+	weight = 1;  /* it's usable */
+
+	/* the bigger the depth buffer the better */
+	/* give no weight to a 16-bit depth buffer, because those are crap */
+	weight += pfd.cDepthBits - 16;
+
+	weight += pfd.cColorBits -  8;
+
+#ifdef GHOST_OPENGL_ALPHA
+	if (pfd.cAlphaBits > 0)
+		weight++;
+#endif
+
+#ifdef GHOST_OPENGL_STENCIL
+	if (pfd.cStencilBits >= 8)
+		weight++;
+#endif
+
+	/* want swap copy capability -- it matters a lot */
+	if (pfd.dwFlags & PFD_SWAP_COPY)
+		weight += 16;
+
+	return weight;
+}
+
+
+
+/*
+ * A modification of Ron Fosner's replacement for ChoosePixelFormat
+ * returns 0 on error, else returns the pixel format number to be used
+ */
+static int choose_pixel_format_legacy(HDC hDC, PIXELFORMATDESCRIPTOR& preferredPFD)
+{
+	int iPixelFormat = 0;
+	int weight = 0;
+
+	int iStereoPixelFormat = 0;
+	int stereoWeight = 0;
+
+	/* choose a pixel format using the useless Windows function in case we come up empty handed */
+	int iLastResortPixelFormat = ::ChoosePixelFormat(hDC, &preferredPFD);
+
+	WIN32_CHK(iLastResortPixelFormat != 0);
+
+	int lastPFD = ::DescribePixelFormat(hDC, 1, sizeof(PIXELFORMATDESCRIPTOR), NULL);
+
+	WIN32_CHK(lastPFD != 0);
+
+	for (int i = 1; i <= lastPFD; i++) {
+		PIXELFORMATDESCRIPTOR pfd;
+		int check = ::DescribePixelFormat(hDC, i, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
+
+		WIN32_CHK(check == lastPFD);
+
+		int w = weight_pixel_format(pfd);
+
+		if (w > weight) {
+			weight = w;
+			iPixelFormat = i;
+		}
+
+		if (w > stereoWeight && (preferredPFD.dwFlags & pfd.dwFlags & PFD_STEREO)) {
+			stereoWeight = w;
+			iStereoPixelFormat = i;
+		}
+	}
+
+	/* choose any available stereo format over a non-stereo format */
+	if (iStereoPixelFormat != 0)
+		iPixelFormat = iStereoPixelFormat;
+
+	if (iPixelFormat == 0) {
+		fprintf(stderr, "Warning! Using result of ChoosePixelFormat.\n");
+		iPixelFormat = iLastResortPixelFormat;
+	}
+
+	return iPixelFormat;
+}
+
+
+
+/*
+ * Clone a window for the purpose of creating a temporary context to initialize WGL extensions.
+ * There is no generic way to clone the lpParam parameter, so the caller is responsible for cloning it themselves.
+ */
+
+static HWND clone_window(HWND hWnd, LPVOID lpParam)
+{
+	int count;
+
+	SetLastError(NO_ERROR);
+
+	DWORD dwExStyle = GetWindowLong(hWnd, GWL_EXSTYLE);
+	WIN32_CHK(GetLastError() == NO_ERROR);
+
+	WCHAR lpClassName[100] = L"";
+	count = GetClassNameW(hWnd, lpClassName, sizeof(lpClassName));
+	WIN32_CHK(count != 0);
+
+	WCHAR lpWindowName[100] = L"";
+	count = GetWindowTextW(hWnd, lpWindowName, sizeof(lpWindowName));
+	WIN32_CHK(count != 0);
+
+	DWORD dwStyle = GetWindowLong(hWnd, GWL_STYLE);
+	WIN32_CHK(GetLastError() == NO_ERROR);
+
+	RECT rect;
+	GetWindowRect(hWnd, &rect);
+	WIN32_CHK(GetLastError() == NO_ERROR);
+
+	HWND hWndParent = (HWND)GetWindowLong(hWnd, GWL_HWNDPARENT);
+	WIN32_CHK(GetLastError() == NO_ERROR);
+
+	HMENU hMenu = GetMenu(hWnd);
+	WIN32_CHK(GetLastError() == NO_ERROR);
+
+	HINSTANCE hInstance = (HINSTANCE)GetWindowLong(hWnd, GWL_HINSTANCE);
+	WIN32_CHK(GetLastError() == NO_ERROR);
+
+	HWND hwndCloned =
+		CreateWindowExW(
+			dwExStyle,
+			lpClassName,
+			lpWindowName,
+			dwStyle,
+			rect.left,
+			rect.top,
+			rect.right - rect.left,
+			rect.bottom - rect.top,
+			hWndParent,
+			hMenu,
+			hInstance,
+			lpParam);
+
+	WIN32_CHK(hwndCloned != NULL);
+
+	return hwndCloned;
+}
+
+
+
+void GHOST_ContextWGL::initContextWGLEW(PIXELFORMATDESCRIPTOR& preferredPFD)
+{
+	wglewContext = new WGLEWContext;
+	memset(wglewContext, 0, sizeof(WGLEWContext));
+
+	delete m_wglewContext;
+	m_wglewContext = wglewContext;
+
+	HWND  dummyHWND  = NULL;
+	HDC   dummyHDC   = NULL;
+	HGLRC dummyHGLRC = NULL;
+
+	SetLastError(NO_ERROR);
+
+	HDC prevHDC = ::wglGetCurrentDC();
+	WIN32_CHK(GetLastError() == NO_ERROR);
+
+	HGLRC prevHGLRC = ::wglGetCurrentContext();
+	WIN32_CHK(GetLastError() == NO_ERROR);
+
+	dummyHWND = clone_window(m_hWnd, NULL);
+
+	if (dummyHWND == NULL)
+		goto finalize;
+
+	dummyHDC = GetDC(dummyHWND);
+
+	if (!WIN32_CHK(dummyHDC != NULL))
+		goto finalize;
+
+	int iPixelFormat = choose_pixel_format_legacy(dummyHDC, preferredPFD);
+
+	if (iPixelFormat == 0)
+		goto finalize;
+
+	PIXELFORMATDESCRIPTOR chosenPFD;
+	if (!WIN32_CHK(::DescribePixelFormat(dummyHDC, iPixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &chosenPFD)))
+		goto finalize;
+
+	if (!WIN32_CHK(::SetPixelFormat(dummyHDC, iPixelFormat, &chosenPFD)))
+		goto finalize;
+
+	dummyHGLRC = ::wglCreateContext(dummyHDC);
+
+	if (!WIN32_CHK(dummyHGLRC != NULL))
+		goto finalize;
+
+	if (!WIN32_CHK(::wglMakeCurrent(dummyHDC, dummyHGLRC)))
+		goto finalize;
+
+	if (wglewInit() != GLEW_OK)
+		fprintf(stderr, "Warning! WGLEW failed to initialize properly.\n");
+
+	// the following are not technially WGLEW, but they also require a context to work
+
+#ifndef NDEBUG
+	delete m_dummyRenderer;
+	delete m_dummyVendor;
+	delete m_dummyVersion;
+
+	m_dummyRenderer = _strdup(reinterpret_cast<const char *>(glGetString(GL_RENDERER)));
+	m_dummyVendor   = _strdup(reinterpret_cast<const char *>(glGetString(GL_VENDOR)));
+	m_dummyVersion  = _strdup(reinterpret_cast<const char *>(glGetString(GL_VERSION)));
+#endif
+
+	s_singleContextMode = is_crappy_intel_card();
+
+finalize:
+	WIN32_CHK(::wglMakeCurrent(prevHDC, prevHGLRC));
+
+	if (dummyHGLRC != NULL)
+		WIN32_CHK(::wglDeleteContext(dummyHGLRC));
+
+	if (dummyHWND != NULL) {
+		if (dummyHDC != NULL)
+			WIN32_CHK(::ReleaseDC(dummyHWND, dummyHDC));
+
+		WIN32_CHK(::DestroyWindow(dummyHWND));
+	}
+}
+
+
+
+static void makeAttribList(
+	std::vector<int>& out,
+	bool stereoVisual,
+	int  numOfAASamples,
+	int  swapMethod,
+	bool needAlpha,
+	bool needStencil,
+	bool sRGB)
+{
+	out.clear();
+	out.reserve(30);
+
+	out.push_back(WGL_SUPPORT_OPENGL_ARB);
+	out.push_back(GL_TRUE);
+
+	out.push_back(WGL_DRAW_TO_WINDOW_ARB);
+	out.push_back(GL_TRUE);
+
+	out.push_back(WGL_DOUBLE_BUFFER_ARB);
+	out.push_back(GL_TRUE);
+
+	out.push_back(WGL_ACCELERATION_ARB);
+	out.push_back(WGL_FULL_ACCELERATION_ARB);
+
+	out.push_back(WGL_SWAP_METHOD_ARB);
+	out.push_back(swapMethod);
+
+	if (stereoVisual) {
+		out.push_back(WGL_STEREO_ARB);
+		out.push_back(GL_TRUE);
+	}
+
+	out.push_back(WGL_PIXEL_TYPE_ARB);
+	out.push_back(WGL_TYPE_RGBA_ARB);
+
+	out.push_back(WGL_COLOR_BITS_ARB);
+	out.push_back(24);
+
+	out.push_back(WGL_DEPTH_BITS_ARB);
+	out.push_back(24);
+
+	if (needAlpha) {
+		out.push_back(WGL_ALPHA_BITS_ARB);
+		out.push_back(8);
+	}
+
+	if (needStencil) {
+		out.push_back(WGL_STENCIL_BITS_ARB);
+		out.push_back(8);
+	}
+
+	if (numOfAASamples > 0) {
+		out.push_back(WGL_SAMPLES_ARB);
+		out.push_back(numOfAASamples);
+
+		out.push_back(WGL_SAMPLE_BUFFERS_ARB);
+		out.push_back(1);
+	}
+
+	if (sRGB) {
+		out.push_back(WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB);
+		out.push_back(GL_TRUE);
+	}
+
+	out.push_back(0);
+}
+
+
+
+int GHOST_ContextWGL::_choose_pixel_format_arb_2(
+	bool stereoVisual,
+	int  numOfAASamples,
+	bool needAlpha,
+	bool needStencil,
+	bool sRGB,
+	int  swapMethod)
+{
+	std::vector<int> iAttributes;
+
+	int iPixelFormat = 0;
+
+	int samples;
+
+	// guard against some insanely high number of samples
+	if (numOfAASamples > 64) {
+		fprintf(stderr, "Warning! Clamping number of samples to 64.\n");
+		samples = 64;
+	}
+	else {
+		samples = numOfAASamples;
+	}
+
+	// request a format with as many samples as possible, but not more than requested
+	while (samples >= 0) {
+		makeAttribList(
+			iAttributes,
+			stereoVisual,
+			samples,
+			swapMethod,
+			needAlpha,
+			needStencil,
+			sRGB);
+
+		UINT nNumFormats;
+		WIN32_CHK(wglChoosePixelFormatARB(m_hDC, &(iAttributes[0]), NULL, 1, &iPixelFormat, &nNumFormats));
+
+		if (nNumFormats > 0) // total number of formats that match (regardless of size of iPixelFormat array) (see WGL_ARB_pixel_format extension spec)
+			break;
+
+		iPixelFormat = 0; // if not reset, then the state of iPixelFormat is undefined after call to wglChoosePixelFormatARB (see WGL_ARB_pixel_format extension spec)
+
+		samples--;
+	}
+
+	// check how many samples were actually gotten
+	if (iPixelFormat != 0) {
+		int iQuery[] = { WGL_SAMPLES_ARB };
+		int actualSamples;
+		wglGetPixelFormatAttribivARB(m_hDC, iPixelFormat, 0, 1, iQuery, &actualSamples);
+
+		if (actualSamples != numOfAASamples) {
+			fprintf(
+				stderr,
+				"Warning! Unable to find a multisample pixel format that supports exactly %d samples. Substituting one that uses %d samples.\n",
+				numOfAASamples,
+				actualSamples);
+
+			m_numOfAASamples = actualSamples; // set context property to actual value
+		}
+	}
+
+	return iPixelFormat;
+}
+
+
+
+int GHOST_ContextWGL::_choose_pixel_format_arb_1(
+	bool stereoVisual,
+	int  numOfAASamples,
+	bool needAlpha,
+	bool needStencil,
+	bool sRGB,
+	int& swapMethodOut)
+{
+	int iPixelFormat;
+
+	swapMethodOut = WGL_SWAP_COPY_ARB;
+	iPixelFormat  = _choose_pixel_format_arb_2(stereoVisual, numOfAASamples, needAlpha, needStencil, sRGB, swapMethodOut);
+
+	if (iPixelFormat == 0) {
+		swapMethodOut = WGL_SWAP_UNDEFINED_ARB;
+		iPixelFormat  = _choose_pixel_format_arb_2(stereoVisual, numOfAASamples, needAlpha, needStencil, sRGB, swapMethodOut);
+	}
+
+	if (iPixelFormat == 0) {
+		swapMethodOut = WGL_SWAP_EXCHANGE_ARB;
+		iPixelFormat  = _choose_pixel_format_arb_2(stereoVisual, numOfAASamples, needAlpha, needStencil, sRGB, swapMethodOut);
+	}
+
+	return iPixelFormat;
+}
+
+
+
+int GHOST_ContextWGL::choose_pixel_format_arb(
+	bool stereoVisual,
+	int  numOfAASamples,
+	bool needAlpha,
+	bool needStencil,
+	bool sRGB)
+{
+	int iPixelFormat;
+	int swapMethodOut;
+
+	iPixelFormat =
+		_choose_pixel_format_arb_1(
+			stereoVisual,
+			numOfAASamples,
+			needAlpha,
+			needStencil,
+			sRGB,
+			swapMethodOut);
+
+	if (iPixelFormat == 0 && stereoVisual) {
+		fprintf(stderr, "Warning! Unable to find a stereo pixel format.\n");
+
+		iPixelFormat =
+			_choose_pixel_format_arb_1(
+				false,
+				numOfAASamples,
+				needAlpha,
+				needStencil,
+				sRGB,
+				swapMethodOut);
+
+		m_stereoVisual = false;  // set context property to actual value
+	}
+
+	if (swapMethodOut != WGL_SWAP_COPY_ARB) {
+		fprintf(
+			stderr,
+			"Warning! Unable to find a pixel format that supports WGL_SWAP_COPY_ARB. Substituting one that uses %s.\n",
+			swapMethodOut == WGL_SWAP_UNDEFINED_ARB ? "WGL_SWAP_UNDEFINED_ARB" : "WGL_SWAP_EXCHANGE_ARB");
+	}
+
+	return iPixelFormat;
+}
+
+
+
+int GHOST_ContextWGL::choose_pixel_format(
+	bool stereoVisual,
+	int  numOfAASamples,
+	bool needAlpha,
+	bool needStencil,
+	bool sRGB)
+{
+	PIXELFORMATDESCRIPTOR preferredPFD = {
+		sizeof(PIXELFORMATDESCRIPTOR),   /* size */
+		1,                               /* version */
+		PFD_SUPPORT_OPENGL |
+		PFD_DRAW_TO_WINDOW |
+		PFD_SWAP_COPY      |             /* support swap copy */
+		PFD_DOUBLEBUFFER   |             /* support double-buffering */
+		(stereoVisual ? PFD_STEREO : 0), /* support stereo */
+		PFD_TYPE_RGBA,                   /* color type */
+		24,                              /* preferred color depth */
+		0, 0, 0, 0, 0, 0,                /* color bits (ignored) */
+		needAlpha ? 8 : 0,               /* alpha buffer */
+		0,                               /* alpha shift (ignored) */
+		0,                               /* no accumulation buffer */
+		0, 0, 0, 0,                      /* accum bits (ignored) */
+		24,                              /* depth buffer */
+		needStencil ? 8 : 0,             /* stencil buffer */
+		0,                               /* no auxiliary buffers */
+		PFD_MAIN_PLANE,                  /* main layer */
+		0,                               /* reserved */
+		0, 0, 0                          /* layer, visible, and damage masks (ignored) */
+	};
+
+	initContextWGLEW(preferredPFD);
+
+	if (numOfAASamples > 0 && !WGLEW_ARB_multisample) {
+		fprintf(stderr, "Warning! Unable to request a multisample framebuffer.\n");
+		numOfAASamples = 0;
+	}
+
+	if (sRGB && !(WGLEW_ARB_framebuffer_sRGB || WGLEW_EXT_framebuffer_sRGB)) {
+		fprintf(stderr, "Warning! Unable to request an sRGB framebuffer.\n");
+		sRGB = false;
+	}
+
+	int iPixelFormat = 0;
+
+	if (WGLEW_ARB_pixel_format)
+		iPixelFormat = choose_pixel_format_arb(stereoVisual, numOfAASamples, needAlpha, needStencil, sRGB);
+
+	if (iPixelFormat == 0)
+		iPixelFormat = choose_pixel_format_legacy(m_hDC, preferredPFD);
+
+	return iPixelFormat;
+}
+
+
+
+#ifndef NDEBUG
+static void reportContextString(const char* name, const char* dummy, const char* context)
+{
+	fprintf(stderr, "%s: %s\n", name, context);
+
+	if (strcmp(dummy, context) != 0)
+		fprintf(stderr, "Warning! Dummy %s: %s\n", name, dummy);
+}
+#endif
+
+
+
+GHOST_TSuccess GHOST_ContextWGL::initializeDrawingContext()
+{
+	SetLastError(NO_ERROR);
+
+	HGLRC prevHGLRC = ::wglGetCurrentContext();
+	WIN32_CHK(GetLastError() == NO_ERROR);
+
+	HDC   prevHDC   = ::wglGetCurrentDC();
+	WIN32_CHK(GetLastError() == NO_ERROR);
+
+#ifdef GHOST_OPENGL_ALPHA
+	static const bool needAlpha   = true;
+#else
+	static const bool needAlpha   = false;
+#endif
+
+#ifdef GHOST_OPENGL_STENCIL
+	static const bool needStencil = true;
+#else
+	static const bool needStencil = false;
+#endif
+
+#ifdef GHOST_OPENGL_SRGB
+	static const bool sRGB        = true;
+#else
+	static const bool sRGB        = false;
+#endif
+
+	int iPixelFormat = choose_pixel_format(m_stereoVisual, m_numOfAASamples, needAlpha, needStencil, sRGB);
+
+	if (iPixelFormat == 0)
+		goto error;
+
+	PIXELFORMATDESCRIPTOR chosenPFD;
+
+	int lastPFD = ::DescribePixelFormat(m_hDC, iPixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &chosenPFD);
+
+	if (!WIN32_CHK(lastPFD != 0))
+		goto error;
+
+	if (needAlpha && chosenPFD.cAlphaBits == 0)
+		fprintf(stderr, "Warning! Unable to find a pixel format with an alpha channel.\n");
+
+	if (needStencil && chosenPFD.cStencilBits == 0)
+		fprintf(stderr, "Warning! Unable to find a pixel format with a stencil buffer.\n");
+
+	if (!WIN32_CHK(::SetPixelFormat(m_hDC, iPixelFormat, &chosenPFD)))
+		goto error;
+
+	activateWGLEW();
+
+	if (WGLEW_ARB_create_context) {
+		int profileBitCore   = m_contextProfileMask & WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
+		int profileBitCompat = m_contextProfileMask & WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB;
+
+#if WITH_GLEW_ES
+		int profileBitES     = m_contextProfileMask & WGL_CONTEXT_ES_PROFILE_BIT_EXT;
+#endif
+
+		if (!WGLEW_ARB_create_context_profile && profileBitCore)
+			fprintf(stderr, "Warning! OpenGL core profile not available.\n");
+
+		if (!WGLEW_ARB_create_context_profile && profileBitCompat)
+			fprintf(stderr, "Warning! OpenGL compatibility profile not available.\n");
+
+#if WITH_GLEW_ES
+		if (!WGLEW_EXT_create_context_es_profile && profileBitES && m_contextMajorVersion == 1)
+			fprintf(stderr, "Warning! OpenGL ES profile not available.\n");
+
+		if (!WGLEW_EXT_create_context_es2_profile && profileBitES && m_contextMajorVersion == 2)
+			fprintf(stderr, "Warning! OpenGL ES2 profile not available.\n");
+#endif
+
+		int profileMask = 0;
+
+		if (WGLEW_ARB_create_context_profile && profileBitCore)
+			profileMask |= profileBitCore;
+
+		if (WGLEW_ARB_create_context_profile && profileBitCompat)
+			profileMask |= profileBitCompat;
+
+#if WITH_GLEW_ES
+		if (WGLEW_EXT_create_context_es_profile && profileBitES)
+			profileMask |= profileBitES;
+#endif
+
+		if (profileMask != m_contextProfileMask)
+			fprintf(stderr, "Warning! Ignoring untested OpenGL context profile mask bits.");
+
+		std::vector<int> iAttributes;
+
+		if (profileMask) {
+			iAttributes.push_back(WGL_CONTEXT_PROFILE_MASK_ARB);
+			iAttributes.push_back(profileMask);
+		}
+
+		if (m_contextMajorVersion != 0) {
+			iAttributes.push_back(WGL_CONTEXT_MAJOR_VERSION_ARB);
+			iAttributes.push_back(m_contextMajorVersion);
+		}
+
+		if (m_contextMinorVersion != 0) {
+			iAttributes.push_back(WGL_CONTEXT_MINOR_VERSION_ARB);
+			iAttributes.push_back(m_contextMinorVersion);
+		}
+
+		if (m_contextFlags != 0) {
+			iAttributes.push_back(WGL_CONTEXT_FLAGS_ARB);
+			iAttributes.push_back(m_contextFlags);
+		}
+
+		if (m_contextResetNotificationStrategy != 0) {
+			if (WGLEW_ARB_create_context_robustness) {
+				iAttributes.push_back(WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB);
+				iAttributes.push_back(m_contextResetNotificationStrategy);
+			}
+			else {
+				fprintf(stderr, "Warning! Cannot set the reset notification strategy.");
+			}
+		}
+
+		iAttributes.push_back(0);
+
+		if (!s_singleContextMode || s_sharedHGLRC == NULL)
+			m_hGLRC = ::wglCreateContextAttribsARB(m_hDC, NULL, &(iAttributes[0]));
+		else
+			m_hGLRC = s_sharedHGLRC;
+	}
+	else {
+		if (m_contextProfileMask  != 0)
+			fprintf(stderr, "Warning! Legacy WGL is unable to select between OpenGL profiles.");
+
+		if (m_contextMajorVersion != 0 || m_contextMinorVersion != 0)
+			fprintf(stderr, "Warning! Legacy WGL is unable to select between OpenGL versions.");
+
+		if (m_contextFlags != 0)
+			fprintf(stderr, "Warning! Legacy WGL is unable to set context flags.");
+
+		if (!s_singleContextMode || s_sharedHGLRC == NULL)
+			m_hGLRC = ::wglCreateContext(m_hDC);
+		else
+			m_hGLRC = s_sharedHGLRC;
+	}
+
+	if (!WIN32_CHK(m_hGLRC != NULL))
+		goto error;
+
+	if (s_sharedHGLRC == NULL)
+		s_sharedHGLRC = m_hGLRC;
+
+	s_sharedCount++;
+
+	if (!s_singleContextMode && s_sharedHGLRC != m_hGLRC && !WIN32_CHK(::wglShareLists(s_sharedHGLRC, m_hGLRC)))
+		goto error;
+
+	if (!WIN32_CHK(::wglMakeCurrent(m_hDC, m_hGLRC)))
+		goto error;
+
+	initContextGLEW();
+
+	glClearColor(0.447, 0.447, 0.447, 0.000);
+	glClear(GL_COLOR_BUFFER_BIT);
+	glClearColor(0.000, 0.000, 0.000, 0.000);
+
+#ifndef NDEBUG
+	reportContextString("Vendor",   m_dummyVendor,   reinterpret_cast<const char*>(glGetString(GL_VENDOR)));
+	reportContextString("Renderer", m_dummyRenderer, reinterpret_cast<const char*>(glGetString(GL_RENDERER)));
+	reportContextString("Version",  m_dummyVersion,  reinterpret_cast<const char*>(glGetString(GL_VERSION)));
+#endif
+
+	return GHOST_kSuccess;
+
+error:
+	::wglMakeCurrent(prevHDC, prevHGLRC);
+
+	return GHOST_kFailure;
+}
+
+
+
+GHOST_TSuccess GHOST_ContextWGL::releaseNativeHandles()
+{
+	GHOST_TSuccess success = m_hGLRC != s_sharedHGLRC || s_sharedCount == 1 ? GHOST_kSuccess : GHOST_kFailure;
+
+	m_hWnd = NULL;
+	m_hDC  = NULL;
+
+	return success;
+}

intern/ghost/intern/GHOST_ContextWGL.h

@@ -0,0 +1,180 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2013 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file ghost/intern/GHOST_ContextWGL.h
+ *  \ingroup GHOST
+ * Declaration of GHOST_ContextWGL class.
+ */
+
+#ifndef _GHOST_CONTEXTWGL_H_
+#define _GHOST_CONTEXTWGL_H_
+
+#include "GHOST_Context.h"
+
+#define wglewGetContext() wglewContext
+#include <GL/wglew.h>
+extern "C" WGLEWContext* wglewContext;
+
+
+
+#ifndef GHOST_OPENGL_WGL_CONTEXT_FLAGS
+#define GHOST_OPENGL_WGL_CONTEXT_FLAGS 0
+#endif
+
+#ifndef GHOST_OPENGL_WGL_RESET_NOTIFICATION_STRATEGY
+#define GHOST_OPENGL_WGL_RESET_NOTIFICATION_STRATEGY 0
+#endif
+
+
+
+class GHOST_ContextWGL : public GHOST_Context
+{
+public:
+	/**
+	 * Constructor.
+	 */
+	GHOST_ContextWGL(
+		bool         stereoVisual,
+		GHOST_TUns16 numOfAASamples,
+		HWND         hWnd,
+		HDC          hDC,
+		int          contextProfileMask,
+		int          contextMajorVersion,
+		int          contextMinorVersion,
+		int          contextFlags,
+		int          contextResetNotificationStrategy
+	);
+
+	/**
+	 * Destructor.
+	 */
+	virtual ~GHOST_ContextWGL();
+
+	/**
+	 * Swaps front and back buffers of a window.
+	 * \return  A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess swapBuffers();
+
+	/**
+	 * Activates the drawing context of this window.
+	 * \return  A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess activateDrawingContext();
+
+	/**
+	 * Call immediately after new to initialize.  If this fails then immediately delete the object.
+	 * \return Indication as to whether initialization has succeeded.
+	 */
+	virtual GHOST_TSuccess initializeDrawingContext();
+
+	/**
+	 * Removes references to native handles from this context and then returns
+	 * \return GHOST_kSuccess if it is OK for the parent to release the handles and GHOST_kFailure if releasing the handles will interfere with sharing
+	 */
+	virtual GHOST_TSuccess releaseNativeHandles();
+
+	/**
+	 * Sets the swap interval for swapBuffers.
+	 * \param interval The swap interval to use.
+	 * \return A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess setSwapInterval(int interval);
+
+	/**
+	 * Gets the current swap interval for swapBuffers.
+	 * \param intervalOut Variable to store the swap interval if it can be read.
+	 * \return Whether the swap interval can be read.
+	 */
+	virtual GHOST_TSuccess getSwapInterval(int& intervalOut);
+
+protected:
+	inline void activateWGLEW() const {
+		wglewContext = m_wglewContext;
+	}
+
+private:
+	int choose_pixel_format(
+		bool stereoVisual,
+		int  numOfAASamples,
+		bool needAlpha,
+		bool needStencil,
+		bool sRGB);
+
+	int choose_pixel_format_arb(
+		bool stereoVisual,
+		int  numOfAASamples,
+		bool needAlpha,
+		bool needStencil,
+		bool sRGB);
+
+	int _choose_pixel_format_arb_1(
+		bool stereoVisual,
+		int  numOfAASamples,
+		bool needAlpha,
+		bool needStencil,
+		bool sRGB,
+		int& swapMethodOut);
+
+	int _choose_pixel_format_arb_2(
+		bool stereoVisual,
+		int  numOfAASamples,
+		bool needAlpha,
+		bool needStencil,
+		bool sRGB,
+		int  swapMethod);
+
+	void initContextWGLEW(PIXELFORMATDESCRIPTOR& preferredPFD);
+
+	HDC  m_hDC;
+	HWND m_hWnd;
+
+	const int m_contextProfileMask;
+	const int m_contextMajorVersion;
+	const int m_contextMinorVersion;
+	const int m_contextFlags;
+	const int m_contextResetNotificationStrategy;
+
+	HGLRC m_hGLRC;
+
+	WGLEWContext* m_wglewContext;
+
+#ifndef NDEBUG
+	const char* m_dummyVendor;
+	const char* m_dummyRenderer;
+	const char* m_dummyVersion;
+#endif
+
+	static HGLRC s_sharedHGLRC;
+	static int   s_sharedCount;
+
+	static bool s_singleContextMode;
+};
+
+
+
+#endif // _GHOST_CONTEXTWGL_H_

intern/ghost/intern/GHOST_ISystem.cpp

@@ -38,21 +38,22 @@
 
 #include "GHOST_ISystem.h"
 
-#ifdef WITH_HEADLESS
-#  include "GHOST_SystemNULL.h"
-#elif defined(WITH_GHOST_SDL)
-#  include "GHOST_SystemSDL.h"
-#elif defined(WIN32)
-#  include "GHOST_SystemWin32.h"
+#ifdef WITH_X11
+#  include "GHOST_SystemX11.h"
 #else
-#  ifdef __APPLE__
-#    include "GHOST_SystemCocoa.h"
+#  ifdef WITH_HEADLESS
+#    include "GHOST_SystemNULL.h"
+#  elif defined(WITH_GHOST_SDL)
+#    include "GHOST_SystemSDL.h"
+#  elif defined(WIN32)
+#    include "GHOST_SystemWin32.h"
 #  else
-#    include "GHOST_SystemX11.h"
+#    ifdef __APPLE__
+#      include "GHOST_SystemCocoa.h"
+#    endif
 #  endif
 #endif
 
-
 GHOST_ISystem *GHOST_ISystem::m_system = 0;
 
 
@@ -60,19 +61,21 @@ GHOST_TSuccess GHOST_ISystem::createSystem()
 {
 	GHOST_TSuccess success;
 	if (!m_system) {
-#ifdef WITH_HEADLESS
-		m_system = new GHOST_SystemNULL();
-#elif defined(WITH_GHOST_SDL)
-		m_system = new GHOST_SystemSDL();
-#elif defined(WIN32)
-		m_system = new GHOST_SystemWin32();
-#else
-#  ifdef __APPLE__
-		m_system = new GHOST_SystemCocoa();
-#  else
+#ifdef WITH_X11
 		m_system = new GHOST_SystemX11();
+#else
+#  ifdef WITH_HEADLESS
+		m_system = new GHOST_SystemNULL();
+#  elif defined(WITH_GHOST_SDL)
+		m_system = new GHOST_SystemSDL();
+#  elif defined(WIN32)
+		m_system = new GHOST_SystemWin32();
+#  else
+#    ifdef __APPLE__
+		m_system = new GHOST_SystemCocoa();
+#    endif
 #  endif
-#endif 
+#endif
 		success = m_system != 0 ? GHOST_kSuccess : GHOST_kFailure;
 	}
 	else {

intern/ghost/intern/GHOST_SystemCocoa.mm

@@ -254,27 +254,6 @@ static GHOST_TKey convertKey(int rawCode, unichar recvChar, UInt16 keyAction)
 }
 
 
-#pragma mark defines for 10.6 api not documented in 10.5
-
-#pragma mark Utility functions
-
-#define FIRSTFILEBUFLG 512
-static bool g_hasFirstFile = false;
-static char g_firstFileBuf[512];
-
-//TODO:Need to investigate this. Function called too early in creator.c to have g_hasFirstFile == true
-extern "C" int GHOST_HACK_getFirstFile(char buf[FIRSTFILEBUFLG])
-{
-	if (g_hasFirstFile) {
-		strncpy(buf, g_firstFileBuf, FIRSTFILEBUFLG - 1);
-		buf[FIRSTFILEBUFLG - 1] = '\0';
-		return 1;
-	}
-	else {
-		return 0; 
-	}
-}
-
 #pragma mark Cocoa objects
 
 /**
@@ -338,8 +317,6 @@ extern "C" int GHOST_HACK_getFirstFile(char buf[FIRSTFILEBUFLG])
 
 #pragma mark initialization/finalization
 
-char GHOST_user_locale[128]; // Global current user locale
-
 GHOST_SystemCocoa::GHOST_SystemCocoa()
 {
 	int mib[2];
@@ -377,15 +354,6 @@ GHOST_SystemCocoa::GHOST_SystemCocoa()
 	rstring = NULL;
 	
 	m_ignoreWindowSizedMessages = false;
-	
-	//Get current locale
-	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-	CFLocaleRef myCFLocale = CFLocaleCopyCurrent();
-	NSLocale * myNSLocale = (NSLocale *) myCFLocale;
-	[myNSLocale autorelease];
-	NSString *nsIdentifier = [myNSLocale localeIdentifier];
-	strncpy(GHOST_user_locale, [nsIdentifier UTF8String], sizeof(GHOST_user_locale) - 1);
-	[pool drain];
 }
 
 GHOST_SystemCocoa::~GHOST_SystemCocoa()
@@ -566,25 +534,21 @@ GHOST_IWindow* GHOST_SystemCocoa::createWindow(
 
 	window = new GHOST_WindowCocoa (this, title, left, bottom, width, height, state, type, stereoVisual, numOfAASamples);
 
-	if (window) {
-		if (window->getValid()) {
-			// Store the pointer to the window
-			GHOST_ASSERT(m_windowManager, "m_windowManager not initialized");
-			m_windowManager->addWindow(window);
-			m_windowManager->setActiveWindow(window);
-			//Need to tell window manager the new window is the active one (Cocoa does not send the event activate upon window creation)
-			pushEvent(new GHOST_Event(getMilliSeconds(), GHOST_kEventWindowActivate, window));
-			pushEvent(new GHOST_Event(getMilliSeconds(), GHOST_kEventWindowSize, window));
-		}
-		else {
-			GHOST_PRINT("GHOST_SystemCocoa::createWindow(): window invalid\n");
-			delete window;
-			window = 0;
-		}
+	if (window->getValid()) {
+		// Store the pointer to the window
+		GHOST_ASSERT(m_windowManager, "m_windowManager not initialized");
+		m_windowManager->addWindow(window);
+		m_windowManager->setActiveWindow(window);
+		//Need to tell window manager the new window is the active one (Cocoa does not send the event activate upon window creation)
+		pushEvent(new GHOST_Event(getMilliSeconds(), GHOST_kEventWindowActivate, window));
+		pushEvent(new GHOST_Event(getMilliSeconds(), GHOST_kEventWindowSize, window));
 	}
 	else {
-		GHOST_PRINT("GHOST_SystemCocoa::createWindow(): could not create window\n");
+		GHOST_PRINT("GHOST_SystemCocoa::createWindow(): window invalid\n");
+		delete window;
+		window = 0;
 	}
+	
 	[pool drain];
 	return window;
 }

intern/ghost/intern/GHOST_SystemWin32.cpp

@@ -227,6 +227,12 @@ void GHOST_SystemWin32::getAllDisplayDimensions(GHOST_TUns32 &width, GHOST_TUns3
 }
 
 GHOST_IWindow *GHOST_SystemWin32::createWindow(
+<<<<<<< HEAD
+		const STR_String& title,
+		GHOST_TInt32 left, GHOST_TInt32 top, GHOST_TUns32 width, GHOST_TUns32 height,
+		GHOST_TWindowState state, GHOST_TDrawingContextType type,
+		bool wantStereoVisual, const bool exclusive, const GHOST_TUns16 wantNumOfAASamples, const GHOST_TEmbedderWindowID parentWindow)
+=======
         const STR_String &title,
         GHOST_TInt32 left, GHOST_TInt32 top,
         GHOST_TUns32 width, GHOST_TUns32 height,
@@ -235,40 +241,35 @@ GHOST_IWindow *GHOST_SystemWin32::createWindow(
         const bool exclusive,
         const GHOST_TUns16 numOfAASamples,
         const GHOST_TEmbedderWindowID parentWindow)
+>>>>>>> master
 {
-	GHOST_Window *window = 0;
-	window = new GHOST_WindowWin32(this, title, left, top, width, height, state, type, stereoVisual, numOfAASamples, parentWindow);
-	if (window) {
-		if (window->getValid()) {
-			// Store the pointer to the window
-//			if (state != GHOST_kWindowStateFullScreen) {
+	GHOST_Window *window =
+		new GHOST_WindowWin32(
+		        this,
+		        title,
+		        left,
+		        top,
+		        width,
+		        height,
+		        state,
+		        type,
+		        wantStereoVisual,
+		        wantNumOfAASamples,
+		        parentWindow);
+
+	if (window->getValid()) {
+		// Store the pointer to the window
+		//if (state != GHOST_kWindowStateFullScreen) {
 			m_windowManager->addWindow(window);
 			m_windowManager->setActiveWindow(window);
-//			}
-		}
-		else {
-
-			// Invalid parent window hwnd
-			if (((GHOST_WindowWin32 *)window)->getNextWindow() == NULL) {
-				delete window;
-				window = 0;
-				return window;
-			}
-
-			// An invalid window could be one that was used to test for AA
-			window = ((GHOST_WindowWin32 *)window)->getNextWindow();
-			
-			// If another window is found, let the wm know about that one, but not the old one
-			if (window->getValid()) {
-				m_windowManager->addWindow(window);
-			}
-			else {
-				delete window;
-				window = 0;
-			}
-
-		}
+		//}
 	}
+	else {
+		GHOST_PRINT("GHOST_SystemWin32::createWindow(): window invalid\n");
+		delete window;
+		window = 0;
+	}
+
 	return window;
 }
 

intern/ghost/intern/GHOST_SystemX11.cpp

@@ -55,6 +55,7 @@
 #include <X11/Xatom.h>
 #include <X11/keysym.h>
 #include <X11/XKBlib.h> /* allow detectable autorepeate */
+#include <X11/Xutil.h>
 
 #ifdef WITH_XF86KEYSYM
 #include <X11/XF86keysym.h>

intern/ghost/intern/GHOST_SystemX11.h

@@ -34,7 +34,6 @@
 #define __GHOST_SYSTEMX11_H__
 
 #include <X11/Xlib.h>
-#include <GL/glx.h>
 
 #include "GHOST_System.h"
 #include "../GHOST_Types.h"

intern/ghost/intern/GHOST_Window.cpp

@@ -38,21 +38,26 @@
 
 #include "GHOST_Window.h"
 
+#include "GHOST_ContextNone.h"
+
 #include <assert.h>
 
+
+
 GHOST_Window::GHOST_Window(
-        GHOST_TUns32 width, GHOST_TUns32 height,
-        GHOST_TWindowState state,
-        GHOST_TDrawingContextType type,
-        const bool stereoVisual,
-        const bool exclusive,
-        const GHOST_TUns16 numOfAASamples)
-    : m_drawingContextType(type),
-      m_cursorVisible(true),
-      m_cursorGrab(GHOST_kGrabDisable),
-      m_cursorShape(GHOST_kStandardCursorDefault),
-      m_stereoVisual(stereoVisual),
-      m_numOfAASamples(numOfAASamples)
+    GHOST_TUns32 width, GHOST_TUns32 height,
+    GHOST_TWindowState state,
+	const bool wantStereoVisual,
+	const bool exclusive,
+	const GHOST_TUns16 wantNumOfAASamples
+)
+	: m_drawingContextType(GHOST_kDrawingContextTypeNone)
+	, m_cursorVisible(true)
+	, m_cursorGrab(GHOST_kGrabDisable)
+	, m_cursorShape(GHOST_kStandardCursorDefault)
+	, m_wantStereoVisual(wantStereoVisual)
+	, m_wantNumOfAASamples(wantNumOfAASamples)
+	, m_context(new GHOST_ContextNone(false, 0))
 {
 	m_isUnsavedChanges = false;
 	m_canAcceptDragOperation = false;
@@ -65,6 +70,7 @@ GHOST_Window::GHOST_Window(
 	m_nativePixelSize = 1.0f;
 
 	m_fullScreen = state == GHOST_kWindowStateFullScreen;
+
 	if (m_fullScreen) {
 		m_fullScreenWidth = width;
 		m_fullScreenHeight = height;
@@ -72,29 +78,77 @@ GHOST_Window::GHOST_Window(
 }
 
 
+
 GHOST_Window::~GHOST_Window()
 {
+	delete m_context;
 }
 
+
+
 void *GHOST_Window::getOSWindow() const
 {
 	return NULL;
 }
 
+
 GHOST_TSuccess GHOST_Window::setDrawingContextType(GHOST_TDrawingContextType type)
 {
-	GHOST_TSuccess success = GHOST_kSuccess;
 	if (type != m_drawingContextType) {
-		success = removeDrawingContext();
-		if (success) {
-			success = installDrawingContext(type);
+		delete m_context;
+		m_context = NULL;
+
+		if (type != GHOST_kDrawingContextTypeNone)
+			m_context = newDrawingContext(type);
+
+		if (m_context != NULL) {
 			m_drawingContextType = type;
 		}
 		else {
+			m_context = new GHOST_ContextNone(m_wantStereoVisual, m_wantNumOfAASamples);
 			m_drawingContextType = GHOST_kDrawingContextTypeNone;
 		}
+
+		return (type == m_drawingContextType) ? GHOST_kSuccess : GHOST_kFailure;
 	}
-	return success;
+	else {
+		return GHOST_kSuccess;
+	}
+}
+
+GHOST_TSuccess GHOST_Window::swapBuffers()
+{
+	return m_context->swapBuffers();
+}
+
+GHOST_TSuccess GHOST_Window::setSwapInterval(int interval)
+{
+	return m_context->setSwapInterval(interval);
+}
+
+GHOST_TSuccess GHOST_Window::getSwapInterval(int& intervalOut)
+{
+	return m_context->getSwapInterval(intervalOut);
+}
+
+GHOST_TUns16 GHOST_Window::getNumOfAASamples()
+{
+	return m_context->getNumOfAASamples();
+}
+
+GHOST_TSuccess GHOST_Window::activateDrawingContext()
+{
+	return m_context->activateDrawingContext();
+}
+
+GHOST_TSuccess GHOST_Window::updateDrawingContext()
+{
+	return m_context->updateDrawingContext();
+}
+
+GHOST_TSuccess GHOST_Window::releaseNativeHandles()
+{
+	return m_context->releaseNativeHandles();
 }
 
 GHOST_TSuccess GHOST_Window::setCursorVisibility(bool visible)

intern/ghost/intern/GHOST_Window.h

@@ -36,6 +36,7 @@
 #include "GHOST_IWindow.h"
 
 class STR_String;
+class GHOST_Context;
 
 /**
  * Platform independent implementation of GHOST_IWindow.
@@ -49,29 +50,6 @@ class STR_String;
 class GHOST_Window : public GHOST_IWindow
 {
 public:
-	/**
-	 * \section Interface inherited from GHOST_IWindow left for derived class
-	 * implementation.
-	 * virtual	bool getValid() const = 0;
-	 * virtual void setTitle(const STR_String& title) = 0;
-	 * virtual void getTitle(STR_String& title) const = 0;
-	 * virtual	void getWindowBounds(GHOST_Rect& bounds) const = 0;
-	 * virtual	void getClientBounds(GHOST_Rect& bounds) const = 0;
-	 * virtual	GHOST_TSuccess setClientWidth(GHOST_TUns32 width) = 0;
-	 * virtual	GHOST_TSuccess setClientHeight(GHOST_TUns32 height) = 0;
-	 * virtual	GHOST_TSuccess setClientSize(GHOST_TUns32 width, GHOST_TUns32 height) = 0;
-	 * virtual	void screenToClient(GHOST_TInt32 inX, GHOST_TInt32 inY, GHOST_TInt32& outX, GHOST_TInt32& outY) const = 0;
-	 * virtual	void clientToScreen(GHOST_TInt32 inX, GHOST_TInt32 inY, GHOST_TInt32& outX, GHOST_TInt32& outY) const = 0;
-	 * virtual GHOST_TWindowState getState() const = 0;
-	 * virtual GHOST_TSuccess setState(GHOST_TWindowState state) = 0;
-	 * virtual GHOST_TWindowOrder getOrder(void) = 0;
-	 * virtual GHOST_TSuccess setOrder(GHOST_TWindowOrder order) = 0;
-	 * virtual GHOST_TSuccess swapBuffers() = 0;
-	 * virtual GHOST_TSuccess setSwapInterval() = 0;
-	 * virtual int getSwapInterval() = 0;
-	 * virtual GHOST_TSuccess activateDrawingContext() = 0;
-	 * virtual GHOST_TSuccess invalidate() = 0;
-	 */
 
 	/**
 	 * Constructor.
@@ -90,10 +68,9 @@ public:
 	    GHOST_TUns32 width,
 	    GHOST_TUns32 height,
 	    GHOST_TWindowState state,
-	    GHOST_TDrawingContextType type = GHOST_kDrawingContextTypeNone,
-	    const bool stereoVisual = false,
+	    const bool wantStereoVisual = false,
 	    const bool exclusive = false,
-	    const GHOST_TUns16 numOfAASamples = 0);
+	    const GHOST_TUns16 wantNumOfAASamples = 0);
 
 	/**
 	 * \section Interface inherited from GHOST_IWindow left for derived class
@@ -113,17 +90,25 @@ public:
 	 * virtual GHOST_TSuccess setOrder(GHOST_TWindowOrder order) = 0;
 	 * virtual GHOST_TSuccess swapBuffers() = 0;
 	 * virtual GHOST_TSuccess setSwapInterval() = 0;
-	 * virtual int getSwapInterval() = 0;
+	 * virtual GHOST_TSuccess getSwapInterval(int& intervalOut) = 0;
 	 * virtual GHOST_TSuccess activateDrawingContext() = 0;
 	 * virtual GHOST_TSuccess invalidate() = 0;
 	 */
-	 
+
 	/**
 	 * Destructor.
 	 * Closes the window and disposes resources allocated.
 	 */
 	virtual ~GHOST_Window();
 
+	/**
+	 * Returns indication as to whether the window is valid.
+	 * \return The validity of the window.
+	 */
+	virtual bool getValid() const { 
+		return m_context != 0;
+	}
+
 	/**
 	 * Returns the associated OS object/handle
 	 * \return The associated OS object/handle
@@ -213,18 +198,20 @@ public:
 	 * \param interval The swap interval to use.
 	 * \return A boolean success indicator.
 	 */
-	virtual GHOST_TSuccess setSwapInterval(int interval) {
-		return GHOST_kFailure;
-	}
-	
+	virtual GHOST_TSuccess setSwapInterval(int interval);
+
 	/**
 	 * Gets the current swap interval for swapBuffers.
 	 * \return An integer.
 	 */
-	virtual int getSwapInterval() {
-		return 0;
-	}
-	
+	virtual GHOST_TSuccess getSwapInterval(int& intervalOut);
+
+	/**
+	 * Gets the current swap interval for swapBuffers.
+	 * \return Number of AA Samples (0 if there is no multisample buffer)
+	 */
+	virtual GHOST_TUns16 getNumOfAASamples();
+
 	/**
 	 * Tells if the ongoing drag'n'drop object can be accepted upon mouse drop
 	 */
@@ -257,13 +244,32 @@ public:
 
 	/**
 	 * Tries to install a rendering context in this window.
-	 * Child classes do not need to overload this method.
-	 * They should overload the installDrawingContext and removeDrawingContext instead.
+	 * Child classes do not need to overload this method,
+	 * They should overload newDrawingContext instead.
 	 * \param type	The type of rendering context installed.
 	 * \return Indication as to whether installation has succeeded.
 	 */
 	virtual GHOST_TSuccess setDrawingContextType(GHOST_TDrawingContextType type);
 
+	/**
+	 * Swaps front and back buffers of a window.
+	 * \return  A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess swapBuffers();
+
+	/**
+	 * Activates the drawing context of this window.
+	 * \return  A boolean success indicator.
+	 */
+	virtual GHOST_TSuccess activateDrawingContext();
+
+	/**
+	 * Updates the drawing context of this window. Needed
+	 * whenever the window is changed.
+	 * \return Indication of success.
+	 */
+	virtual GHOST_TSuccess updateDrawingContext();
+
 	/**
 	 * Returns the window user data.
 	 * \return The window user data.
@@ -295,13 +301,7 @@ protected:
 	 * \param type	The type of rendering context installed.
 	 * \return Indication as to whether installation has succeeded.
 	 */
-	virtual GHOST_TSuccess installDrawingContext(GHOST_TDrawingContextType type) = 0;
-
-	/**
-	 * Removes the current drawing context.
-	 * \return Indication as to whether removal has succeeded.
-	 */
-	virtual GHOST_TSuccess removeDrawingContext() = 0;
+	virtual GHOST_Context* newDrawingContext(GHOST_TDrawingContextType type) = 0;
 
 	/**
 	 * Sets the cursor visibility on the window using
@@ -333,6 +333,9 @@ protected:
 	
 	virtual GHOST_TSuccess setWindowCustomCursorShape(GHOST_TUns8 *bitmap, GHOST_TUns8 *mask, 
 	                                                  int szx, int szy, int hotX, int hotY, int fg, int bg) = 0;
+
+	GHOST_TSuccess releaseNativeHandles();
+
 	/** The the of drawing context installed in this window. */
 	GHOST_TDrawingContextType m_drawingContextType;
 	
@@ -369,14 +372,11 @@ protected:
 	/** Stores whether this is a full screen window. */
 	bool m_fullScreen;
 
-	/** Stereo visual created. Only necessary for 'real' stereo support,
-	 *  ie quad buffered stereo. This is not always possible, depends on
-	 *  the graphics h/w
-	 */
-	bool m_stereoVisual;
-	
-	/** Number of samples used in anti-aliasing, set to 0 if no AA **/
-	GHOST_TUns16 m_numOfAASamples;
+	/** Whether to attempt to initialize a context with a stereo framebuffer. */
+	bool m_wantStereoVisual;
+
+	/** Attempt to initialize a context with this many samples. */
+	GHOST_TUns16 m_wantNumOfAASamples;
 
 	/** Full-screen width */
 	GHOST_TUns32 m_fullScreenWidth;
@@ -385,6 +385,9 @@ protected:
 	
 	/* OSX only, retina screens */
 	float m_nativePixelSize;
+
+private:
+	GHOST_Context* m_context;
 };
 
 

intern/ghost/intern/GHOST_WindowCocoa.h

@@ -42,6 +42,8 @@
 
 @class CocoaWindow;
 @class CocoaOpenGLView;
+@class NSCursor;
+@class NSScreen;
 
 class GHOST_SystemCocoa;
 
@@ -53,6 +55,7 @@ class GHOST_SystemCocoa;
  * which is called the gutter.
  * When OpenGL contexts are active, GHOST will use AGL_BUFFER_RECT to prevent
  * OpenGL drawing outside the reduced client rectangle.
+ * XXX jwilkins: This comment seems out of date since we neither use Carbon nor AGL
  * \author	Maarten Gribnau
  * \date	May 23, 2001
  */
@@ -220,28 +223,8 @@ public:
 	 */
 	virtual GHOST_TSuccess setOrder(GHOST_TWindowOrder order);
 
-	/**
-	 * Swaps front and back buffers of a window.
-	 * \return	A boolean success indicator.
-	 */
-	virtual GHOST_TSuccess swapBuffers();
-
-	/**
-	 * Updates the drawing context of this window. Needed
-	 * whenever the window is changed.
-	 * \return Indication of success.
-	 */
-	GHOST_TSuccess updateDrawingContext();
-
-	/**
-	 * Activates the drawing context of this window.
-	 * \return	A boolean success indicator.
-	 */
-	virtual GHOST_TSuccess activateDrawingContext();
-
 	virtual void loadCursor(bool visible, GHOST_TStandardCursor cursor) const;
     
-
 	const GHOST_TabletData *GetTabletData()
 	{
 		return &m_tablet;
@@ -278,19 +261,13 @@ public:
 	bool getImmediateDraw(void) const { return m_immediateDraw; }
 	
 protected:
-	/**
-	 * Tries to install a rendering context in this window.
-	 * \param type	The type of rendering context installed.
-	 * \return Indication as to whether installation has succeeded.
-	 */
-	virtual GHOST_TSuccess installDrawingContext(GHOST_TDrawingContextType type);
 
 	/**
-	 * Removes the current drawing context.
-	 * \return Indication as to whether removal has succeeded.
+	 * \param type	The type of rendering context create.
+	 * \return Indication of success.
 	 */
-	virtual GHOST_TSuccess removeDrawingContext();
-    
+	virtual GHOST_Context* newDrawingContext(GHOST_TDrawingContextType type);
+
 	/**
 	 * Invalidates the contents of this window.
 	 * \return Indication of success.
@@ -330,15 +307,9 @@ protected:
 	/** The openGL view */
 	CocoaOpenGLView *m_openGLView; 
 
-	/** The opgnGL drawing context */
-	NSOpenGLContext *m_openGLContext;
-	
 	/** The mother SystemCocoa class to send events */
 	GHOST_SystemCocoa *m_systemCocoa;
-			
-	/** The first created OpenGL context (for sharing display lists) */
-	static NSOpenGLContext *s_firstOpenGLcontext;
-	
+
 	NSCursor *m_customCursor;
 
 	GHOST_TabletData m_tablet;
@@ -349,4 +320,3 @@ protected:
 };
 
 #endif // __GHOST_WINDOWCOCOA_H__
-

intern/ghost/intern/GHOST_WindowCocoa.mm

@@ -20,12 +20,26 @@
  *
  * The Original Code is: all of this file.
  *
- * Contributor(s):	Maarten Gribnau 05/2001
-					Damien Plisson 10/2009
+ * Contributor(s): Maarten Gribnau 05/2001
+ *                 Damien Plisson  10/2009
+ *                 Jason Wilkins   02/2014
  *
  * ***** END GPL LICENSE BLOCK *****
  */
 
+#include "GHOST_WindowCocoa.h"
+#include "GHOST_SystemCocoa.h"
+#include "GHOST_ContextNone.h"
+#include "GHOST_Debug.h"
+
+#if defined(WITH_GL_CONTEXT_DESKTOP)
+#include "GHOST_ContextCGL.h"
+#endif
+
+#if defined(WITH_GL_CONTEXT_EMBEDDED)
+#include "GHOST_ContextEGL.h"
+#endif
+
 #include <Cocoa/Cocoa.h>
 
 #if MAC_OS_X_VERSION_MIN_REQUIRED <= 1050
@@ -33,17 +47,8 @@
 #include <Carbon/Carbon.h>
 #endif
 
-#include <OpenGL/gl.h>
-#include <OpenGL/CGLRenderers.h>
-/***** Multithreaded opengl code : uncomment for enabling
-#include <OpenGL/OpenGL.h>
-*/
 
  
-#include "GHOST_WindowCocoa.h"
-#include "GHOST_SystemCocoa.h"
-#include "GHOST_Debug.h"
-
 #include <sys/sysctl.h>
 
 #if MAC_OS_X_VERSION_MAX_ALLOWED < 1070
@@ -535,8 +540,6 @@ enum {
 @end
 #endif
 
-NSOpenGLContext* GHOST_WindowCocoa::s_firstOpenGLcontext = nil;
-
 GHOST_WindowCocoa::GHOST_WindowCocoa(
 	GHOST_SystemCocoa *systemCocoa,
 	const STR_String& title,
@@ -546,185 +549,92 @@ GHOST_WindowCocoa::GHOST_WindowCocoa(
 	GHOST_TUns32 height,
 	GHOST_TWindowState state,
 	GHOST_TDrawingContextType type,
-	const bool stereoVisual, const GHOST_TUns16 numOfAASamples
+	const bool stereoVisual,
+	const GHOST_TUns16 numOfAASamples
 ) :
-	GHOST_Window(width, height, state, GHOST_kDrawingContextTypeNone, stereoVisual, false, numOfAASamples),
+	GHOST_Window(width, height, state, stereoVisual, false, numOfAASamples),
 	m_customCursor(0)
 {
-	NSOpenGLPixelFormatAttribute pixelFormatAttrsWindow[40];
-	NSOpenGLPixelFormat *pixelFormat = nil;
-	int i;
-		
 	m_systemCocoa = systemCocoa;
 	m_fullScreen = false;
 	m_immediateDraw = false;
 	m_lionStyleFullScreen = false;
 
 	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-	
+
 	//Creates the window
 	NSRect rect;
 	NSSize	minSize;
-	
+
 	rect.origin.x = left;
 	rect.origin.y = bottom;
 	rect.size.width = width;
 	rect.size.height = height;
-	
+
 	m_window = [[CocoaWindow alloc] initWithContentRect:rect
-										   styleMask:NSTitledWindowMask | NSClosableWindowMask | NSResizableWindowMask | NSMiniaturizableWindowMask
-											 backing:NSBackingStoreBuffered defer:NO];
+	                                styleMask:NSTitledWindowMask | NSClosableWindowMask | NSResizableWindowMask | NSMiniaturizableWindowMask
+	                                backing:NSBackingStoreBuffered defer:NO];
+
 	if (m_window == nil) {
 		[pool drain];
 		return;
 	}
-	
+
 	[m_window setSystemAndWindowCocoa:systemCocoa windowCocoa:this];
-	
+
 	//Forbid to resize the window below the blender defined minimum one
 	minSize.width = 320;
 	minSize.height = 240;
 	[m_window setContentMinSize:minSize];
-	
+
 	setTitle(title);
-	
-	
-	// Pixel Format Attributes for the windowed NSOpenGLContext
-	i=0;
-	pixelFormatAttrsWindow[i++] = NSOpenGLPFADoubleBuffer;
-	
-	// Guarantees the back buffer contents to be valid after a call to NSOpenGLContext object's flushBuffer
-	// needed for 'Draw Overlap' drawing method
-	pixelFormatAttrsWindow[i++] = NSOpenGLPFABackingStore; 
-	
-	// Force software OpenGL, for debugging
-	if (getenv("BLENDER_SOFTWAREGL")) {
-		pixelFormatAttrsWindow[i++] = NSOpenGLPFARendererID;
-		pixelFormatAttrsWindow[i++] = kCGLRendererAppleSWID;
-	}
-	else
-		pixelFormatAttrsWindow[i++] = NSOpenGLPFAAccelerated;
 
-	//pixelFormatAttrsWindow[i++] = NSOpenGLPFAAllowOfflineRenderers,;   // Removed to allow 10.4 builds, and 2 GPUs rendering is not used anyway
-
-	pixelFormatAttrsWindow[i++] = NSOpenGLPFADepthSize;
-	pixelFormatAttrsWindow[i++] = (NSOpenGLPixelFormatAttribute) 32;
-	
-	pixelFormatAttrsWindow[i++] = NSOpenGLPFAAccumSize;
-	pixelFormatAttrsWindow[i++] = (NSOpenGLPixelFormatAttribute) 32;
-	
-	if (stereoVisual) pixelFormatAttrsWindow[i++] = NSOpenGLPFAStereo;
-	
-	if (numOfAASamples > 0) {
-		// Multisample anti-aliasing
-		pixelFormatAttrsWindow[i++] = NSOpenGLPFAMultisample;
-		
-		pixelFormatAttrsWindow[i++] = NSOpenGLPFASampleBuffers;
-		pixelFormatAttrsWindow[i++] = (NSOpenGLPixelFormatAttribute) 1;
-		
-		pixelFormatAttrsWindow[i++] = NSOpenGLPFASamples;
-		pixelFormatAttrsWindow[i++] = (NSOpenGLPixelFormatAttribute) numOfAASamples;
-		
-		pixelFormatAttrsWindow[i++] = NSOpenGLPFANoRecovery;
-	}
-	
-	pixelFormatAttrsWindow[i] = (NSOpenGLPixelFormatAttribute) 0;
-	
-	pixelFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:pixelFormatAttrsWindow];
-	
-	
-	//Fall back to no multisampling if Antialiasing init failed
-	if (pixelFormat == nil) {
-		i=0;
-		pixelFormatAttrsWindow[i++] = NSOpenGLPFADoubleBuffer;
-		
-		// Guarantees the back buffer contents to be valid after a call to NSOpenGLContext object's flushBuffer
-		// needed for 'Draw Overlap' drawing method
-		pixelFormatAttrsWindow[i++] = NSOpenGLPFABackingStore;
-		
-		// Force software OpenGL, for debugging
-		if (getenv("BLENDER_SOFTWAREGL")) {
-			pixelFormatAttrsWindow[i++] = NSOpenGLPFARendererID;
-			pixelFormatAttrsWindow[i++] = kCGLRendererAppleSWID;
-		}
-		else
-			pixelFormatAttrsWindow[i++] = NSOpenGLPFAAccelerated;
-
-		//pixelFormatAttrsWindow[i++] = NSOpenGLPFAAllowOfflineRenderers,;   // Removed to allow 10.4 builds, and 2 GPUs rendering is not used anyway
-		
-		pixelFormatAttrsWindow[i++] = NSOpenGLPFADepthSize;
-		pixelFormatAttrsWindow[i++] = (NSOpenGLPixelFormatAttribute) 32;
-
-		pixelFormatAttrsWindow[i++] = NSOpenGLPFAAccumSize;
-		pixelFormatAttrsWindow[i++] = (NSOpenGLPixelFormatAttribute) 32;
-		
-		if (stereoVisual) pixelFormatAttrsWindow[i++] = NSOpenGLPFAStereo;
-		
-		pixelFormatAttrsWindow[i] = (NSOpenGLPixelFormatAttribute) 0;
-		
-		pixelFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:pixelFormatAttrsWindow];
-		
-	}
-	
-	if (numOfAASamples > 0) { //Set m_numOfAASamples to the actual value
-		GLint gli;
-		[pixelFormat getValues:&gli forAttribute:NSOpenGLPFASamples forVirtualScreen:0];
-		if (m_numOfAASamples != (GHOST_TUns16)gli) {
-			m_numOfAASamples = (GHOST_TUns16)gli;
-			printf("GHOST_Window could be created with anti-aliasing of only %i samples\n",m_numOfAASamples);
-		}
-	}
-		
 	//Creates the OpenGL View inside the window
-	m_openGLView = [[CocoaOpenGLView alloc] initWithFrame:rect
-												 pixelFormat:pixelFormat];
+	m_openGLView = [[CocoaOpenGLView alloc] initWithFrame:rect];
 
 	[m_openGLView setSystemAndWindowCocoa:systemCocoa windowCocoa:this];
-	
-	[pixelFormat release];
-	
-	m_openGLContext = [m_openGLView openGLContext]; //This context will be replaced by the proper one just after
-	
+
 	[m_window setContentView:m_openGLView];
 	[m_window setInitialFirstResponder:m_openGLView];
-	
+
 	[m_window makeKeyAndOrderFront:nil];
-	
+
 	setDrawingContextType(type);
 	updateDrawingContext();
 	activateDrawingContext();
 
+	// XXX jwilkins: This seems like it belongs in GHOST_ContextCGL, but probably not GHOST_ContextEGL
 	if (m_systemCocoa->m_nativePixel) {
 		if ([m_openGLView respondsToSelector:@selector(setWantsBestResolutionOpenGLSurface:)]) {
 			[m_openGLView setWantsBestResolutionOpenGLSurface:YES];
-		
+
 			NSRect backingBounds = [m_openGLView convertRectToBacking:[m_openGLView bounds]];
 			m_nativePixelSize = (float)backingBounds.size.width / (float)rect.size.width;
 		}
 	}
-	
+
 	m_tablet.Active = GHOST_kTabletModeNone;
-	
+
 	CocoaWindowDelegate *windowDelegate = [[CocoaWindowDelegate alloc] init];
 	[windowDelegate setSystemAndWindowCocoa:systemCocoa windowCocoa:this];
 	[m_window setDelegate:windowDelegate];
-	
+
 	[m_window setAcceptsMouseMovedEvents:YES];
-	
+
 #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
 	NSView *view = [m_window contentView];
 	[view setAcceptsTouchEvents:YES];
 #endif
-	
+
 	[m_window registerForDraggedTypes:[NSArray arrayWithObjects:NSFilenamesPboardType,
 										  NSStringPboardType, NSTIFFPboardType, nil]];
-	
+
 #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
 	if (state != GHOST_kWindowStateFullScreen) {
 		[m_window setCollectionBehavior:NSWindowCollectionBehaviorFullScreenPrimary];
 	}
 #endif
-	
+
 	if (state == GHOST_kWindowStateFullScreen)
 		setState(GHOST_kWindowStateFullScreen);
 
@@ -736,7 +646,7 @@ GHOST_WindowCocoa::GHOST_WindowCocoa(
 	if(darwin_ver[0] == '1' && darwin_ver[1] >= '3') {
 		m_lionStyleFullScreen = true;
 	}
-	
+
 	[pool drain];
 }
 
@@ -750,12 +660,14 @@ GHOST_WindowCocoa::~GHOST_WindowCocoa()
 		m_customCursor = nil;
 	}
 
+	releaseNativeHandles();
+
 	[m_openGLView release];
-	
+
 	if (m_window) {
 		[m_window close];
 	}
-	
+
 	// Check for other blender opened windows and make the frontmost key
 	// Note: for some reason the closed window is still in the list
 	NSArray *windowsList = [NSApp orderedWindows];
@@ -774,7 +686,7 @@ GHOST_WindowCocoa::~GHOST_WindowCocoa()
 
 bool GHOST_WindowCocoa::getValid() const
 {
-	return (m_window != 0);
+	return GHOST_Window::getValid() && m_window != 0 && m_openGLView != 0;
 }
 
 void* GHOST_WindowCocoa::getOSWindow() const
@@ -1266,131 +1178,97 @@ GHOST_TSuccess GHOST_WindowCocoa::setOrder(GHOST_TWindowOrder order)
 
 #pragma mark Drawing context
 
-/*#define  WAIT_FOR_VSYNC 1*/
-
-GHOST_TSuccess GHOST_WindowCocoa::swapBuffers()
+GHOST_Context* GHOST_WindowCocoa::newDrawingContext(GHOST_TDrawingContextType type)
 {
-	if (m_drawingContextType == GHOST_kDrawingContextTypeOpenGL) {
-		if (m_openGLContext != nil) {
-			NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-			[m_openGLContext flushBuffer];
-			[pool drain];
-			return GHOST_kSuccess;
-		}
-	}
-	return GHOST_kFailure;
-}
+	if (type == GHOST_kDrawingContextTypeOpenGL) {
+#if defined(WITH_GL_CONTEXT_DESKTOP)
 
-GHOST_TSuccess GHOST_WindowCocoa::updateDrawingContext()
-{
-	if (m_drawingContextType == GHOST_kDrawingContextTypeOpenGL) {
-		if (m_openGLContext != nil) {
-			NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-			[m_openGLContext update];
-			[pool drain];
-			return GHOST_kSuccess;
-		}
-	}
-	return GHOST_kFailure;
-}
-
-GHOST_TSuccess GHOST_WindowCocoa::activateDrawingContext()
-{
-	if (m_drawingContextType == GHOST_kDrawingContextTypeOpenGL) {
-		if (m_openGLContext != nil) {
-			NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-			[m_openGLContext makeCurrentContext];
-			
-			// Disable AA by default
-			if (m_numOfAASamples > 0) glDisable(GL_MULTISAMPLE_ARB);
-			[pool drain];
-			return GHOST_kSuccess;
-		}
-	}
-	return GHOST_kFailure;
-}
-
-
-GHOST_TSuccess GHOST_WindowCocoa::installDrawingContext(GHOST_TDrawingContextType type)
-{
-	GHOST_TSuccess success = GHOST_kFailure;
-	
-	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-	
-	NSOpenGLPixelFormat *pixelFormat;
-	NSOpenGLContext *tmpOpenGLContext;
-	
-	/***** Multithreaded opengl code : uncomment for enabling
-	CGLContextObj cglCtx;
-	*/
-	 
-	switch (type) {
-		case GHOST_kDrawingContextTypeOpenGL:
-			if (!getValid()) break;
-
-			pixelFormat = [m_openGLView pixelFormat];
-			tmpOpenGLContext = [[NSOpenGLContext alloc] initWithFormat:pixelFormat
-															  shareContext:s_firstOpenGLcontext];
-			if (tmpOpenGLContext == nil) {
-				success = GHOST_kFailure;
-				break;
-			}
-			
-			//Switch openGL to multhreaded mode
-			/******* Multithreaded opengl code : uncomment for enabling
-			cglCtx = (CGLContextObj)[tmpOpenGLContext CGLContextObj];
-			if (CGLEnable(cglCtx, kCGLCEMPEngine) == kCGLNoError)
-				printf("\nSwitched openGL to multithreaded mode\n");
-			 */
-			
-			if (!s_firstOpenGLcontext) s_firstOpenGLcontext = tmpOpenGLContext;
-#ifdef WAIT_FOR_VSYNC
-			{
-				GLint swapInt = 1;
-				/* wait for vsync, to avoid tearing artifacts */
-				[tmpOpenGLContext setValues:&swapInt forParameter:NSOpenGLCPSwapInterval];
-			}
+#if defined(WITH_GL_PROFILE_CORE)
+		GHOST_Context* context = new GHOST_ContextCGL(
+			m_initStereoVisual,
+			m_initNumOfAASamples,
+			m_window,
+			m_openGLView,
+			CGL_CONTEXT_OPENGL_CORE_PROFILE_BIT,
+			3, 2,
+			GHOST_OPENGL_CGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_CGL_RESET_NOTIFICATION_STRATEGY);
+#elif defined(WITH_GL_PROFILE_ES20)
+		GHOST_Context* context = new GHOST_ContextCGL(
+			m_initStereoVisual,
+			m_initNumOfAASamples,
+			m_window,
+			m_openGLView,
+			CGL_CONTEXT_ES2_PROFILE_BIT_EXT,
+			2, 0,
+			GHOST_OPENGL_CGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_CGL_RESET_NOTIFICATION_STRATEGY);
+#elif defined(WITH_GL_PROFILE_COMPAT)
+		GHOST_Context* context = new GHOST_ContextCGL(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_window,
+			m_openGLView,
+			0, // profile bit
+			0, 0,
+			GHOST_OPENGL_CGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_CGL_RESET_NOTIFICATION_STRATEGY);
+#else
+#error
 #endif
-			[m_openGLView setOpenGLContext:tmpOpenGLContext];
-			[tmpOpenGLContext setView:m_openGLView];
-			
-			m_openGLContext = tmpOpenGLContext;
-			break;
-	
-		case GHOST_kDrawingContextTypeNone:
-			success = GHOST_kSuccess;
-			break;
-		
-		default:
-			break;
-	}
-	[pool drain];
-	return success;
-}
-
-
-GHOST_TSuccess GHOST_WindowCocoa::removeDrawingContext()
-{
-	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-	switch (m_drawingContextType) {
-		case GHOST_kDrawingContextTypeOpenGL:
-			if (m_openGLContext) {
-				[m_openGLView clearGLContext];
-				if (s_firstOpenGLcontext == m_openGLContext) s_firstOpenGLcontext = nil;
-				m_openGLContext = nil;
-			}
-			[pool drain];
-			return GHOST_kSuccess;
-		case GHOST_kDrawingContextTypeNone:
-			[pool drain];
-			return GHOST_kSuccess;
-			break;
-		default:
-			[pool drain];
-			return GHOST_kFailure;
+
+#elif defined(WITH_GL_CONTEXT_EMBEDDED)
+
+#if defined(WITH_GL_PROFILE_CORE)
+		GHOST_Context* context = new GHOST_ContextEGL(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_window,
+			m_openGLView,
+			EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT,
+			3, 2,
+			GHOST_OPENGL_EGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
+			EGL_OPENGL_API);
+#elif defined(WITH_GL_PROFILE_ES20)
+		GHOST_Context* context = new GHOST_ContextEGL(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_window,
+			m_openGLView,
+			0, // profile bit
+			2, 0,
+			GHOST_OPENGL_EGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
+			EGL_OPENGL_ES_API);
+#elif defined(WITH_GL_PROFILE_COMPAT)
+		GHOST_Context* context = new GHOST_ContextEGL(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_window,
+			m_openGLView,
+			0, // profile bit
+			0, 0,
+			GHOST_OPENGL_EGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
+			EGL_OPENGL_API);
+#else
+#error
+#endif
+
+#else
+#error
+#endif
+		if (context->initializeDrawingContext())
+			return context;
+		else
+			delete context;
 	}
+
+	return NULL;
 }
 
+#pragma mark invalidate
 
 GHOST_TSuccess GHOST_WindowCocoa::invalidate()
 {

intern/ghost/intern/GHOST_WindowSDL.cpp

@@ -26,7 +26,8 @@
 
 #include "GHOST_WindowSDL.h"
 #include "SDL_mouse.h"
-#include <GL/glew.h>
+#include "glew-mx.h"
+
 #include <assert.h>
 
 static SDL_GLContext s_firstContext = NULL;
@@ -646,8 +647,9 @@ GHOST_WindowSDL::setSwapInterval(int interval)
 	return GHOST_kSuccess;
 }
 
-int
-GHOST_WindowSDL::getSwapInterval()
+GHOST_TSuccess
+GHOST_WindowSDL::getSwapInterval(int& intervalOut)
 {
-	return SDL_GL_GetSwapInterval();
+	intervalOut = SDL_GL_GetSwapInterval();
+	return GHOST_kSuccess;
 }

intern/ghost/intern/GHOST_WindowSDL.h

@@ -174,7 +174,7 @@ protected:
 	GHOST_TSuccess endFullScreen() const { return GHOST_kFailure; }
 
 	GHOST_TSuccess setSwapInterval(int interval);
-	int getSwapInterval();
+	GHOST_TSuccess getSwapInterval(int& intervalOut);
 };
 
 

intern/ghost/intern/GHOST_WindowWin32.cpp

@@ -29,32 +29,34 @@
  *  \ingroup GHOST
  */
 
-#include <string.h>
+#define _USE_MATH_DEFINES
+
 #include "GHOST_WindowWin32.h"
 #include "GHOST_SystemWin32.h"
 #include "GHOST_DropTargetWin32.h"
+#include "GHOST_ContextNone.h"
 #include "utfconv.h"
 #include "utf_winfunc.h"
 
-// Need glew for some defines
-#include <GL/glew.h>
-#include <GL/wglew.h>
-#include <math.h>
-
-// MSVC6 still doesn't define M_PI
-#ifndef M_PI
-#  define M_PI 3.1415926536
+#if defined(WITH_GL_CONTEXT_DESKTOP)
+#include "GHOST_ContextWGL.h"
 #endif
 
-// Some more multisample defines
-#define WGL_SAMPLE_BUFFERS_ARB  0x2041
-#define WGL_SAMPLES_ARB         0x2042
+#if defined(WITH_GL_CONTEXT_EMBEDDED)
+#include "GHOST_ContextEGL.h"
+#endif
+
+#include <math.h>
+#include <string.h>
+#include <assert.h>
+
+
 
 const wchar_t *GHOST_WindowWin32::s_windowClassName = L"GHOST_WindowClass";
 const int GHOST_WindowWin32::s_maxTitleLength = 128;
-HGLRC GHOST_WindowWin32::s_firsthGLRc = NULL;
-HDC GHOST_WindowWin32::s_firstHDC = NULL;
 
+<<<<<<< HEAD
+=======
 static int WeightPixelFormat(PIXELFORMATDESCRIPTOR &pfd);
 static int EnumPixelFormats(HDC hdc);
 
@@ -97,14 +99,9 @@ static PIXELFORMATDESCRIPTOR sPreferredFormat = {
 static int is_crappy_intel_card(void)
 {
 	static short is_crappy = -1;
+>>>>>>> master
 
-	if (is_crappy == -1) {
-		const char *vendor = (const char *)glGetString(GL_VENDOR);
-		is_crappy = (strstr(vendor, "Intel") != NULL);
-	}
 
-	return is_crappy;
-}
 
 /* force NVidia Optimus to used dedicated graphics */
 extern "C" {
@@ -112,6 +109,34 @@ extern "C" {
 }
 
 GHOST_WindowWin32::GHOST_WindowWin32(
+<<<<<<< HEAD
+    GHOST_SystemWin32 *system,
+    const STR_String& title,
+    GHOST_TInt32 left,
+    GHOST_TInt32 top,
+    GHOST_TUns32 width,
+    GHOST_TUns32 height,
+    GHOST_TWindowState state,
+    GHOST_TDrawingContextType type,
+    bool wantStereoVisual,
+    GHOST_TUns16 wantNumOfAASamples,
+    GHOST_TEmbedderWindowID parentwindowhwnd
+)
+	: GHOST_Window(width, height, state, wantStereoVisual, false, wantNumOfAASamples),
+	m_inLiveResize(false),
+	m_system(system),
+	m_hDC(0),
+	m_hasMouseCaptured(false),
+	m_hasGrabMouse(false),
+	m_nPressedButtons(0),
+	m_customCursor(0),
+	m_wintab(NULL),
+	m_tabletData(NULL),
+	m_tablet(0),
+	m_maxPressure(0),
+	m_normal_state(GHOST_kWindowStateNormal),
+	m_parentWindowHwnd(parentwindowhwnd)
+=======
         GHOST_SystemWin32 *system,
         const STR_String &title,
         GHOST_TInt32 left,
@@ -152,6 +177,7 @@ GHOST_WindowWin32::GHOST_WindowWin32(
       m_stereo(stereoVisual),
       m_nextWindow(NULL),
       m_parentWindowHwnd(parentwindowhwnd)
+>>>>>>> master
 {
 	OSVERSIONINFOEX versionInfo;
 	bool hasMinVersionForTaskbar = false;
@@ -272,6 +298,7 @@ GHOST_WindowWin32::GHOST_WindowWin32(
 		    0);                         // pointer to window-creation data
 		free(title_16);
 	}
+
 	if (m_hWnd) {
 		// Register this window as a droptarget. Requires m_hWnd to be valid.
 		// Note that OleInitialize(0) has to be called prior to this. Done in GHOST_SystemWin32.
@@ -286,35 +313,37 @@ GHOST_WindowWin32::GHOST_WindowWin32(
 		// Store the device context
 		m_hDC = ::GetDC(m_hWnd);
 
-		if (!s_firstHDC) {
-			s_firstHDC = m_hDC;
-		}
-
-		// Show the window
-		int nCmdShow;
-		switch (state) {
-			case GHOST_kWindowStateMaximized:
-				nCmdShow = SW_SHOWMAXIMIZED;
-				break;
-			case GHOST_kWindowStateMinimized:
-				nCmdShow = SW_SHOWMINIMIZED;
-				break;
-			case GHOST_kWindowStateNormal:
-			default:
-				nCmdShow = SW_SHOWNORMAL;
-				break;
-		}
-		GHOST_TSuccess success;
-		success = setDrawingContextType(type);
+		GHOST_TSuccess success = setDrawingContextType(type);
 
 		if (success) {
+			// Show the window
+			int nCmdShow;
+			switch (state) {
+				case GHOST_kWindowStateMaximized:
+					nCmdShow = SW_SHOWMAXIMIZED;
+					break;
+				case GHOST_kWindowStateMinimized:
+					nCmdShow = SW_SHOWMINIMIZED;
+					break;
+				case GHOST_kWindowStateNormal:
+				default:
+					nCmdShow = SW_SHOWNORMAL;
+					break;
+			}
+
+<<<<<<< HEAD
+=======
+		if (success) {
+>>>>>>> master
 			::ShowWindow(m_hWnd, nCmdShow);
+
 			// Force an initial paint of the window
 			::UpdateWindow(m_hWnd);
 		}
 		else {
 			//invalidate the window
-			m_hWnd = 0;
+			::DestroyWindow(m_hWnd);
+			m_hWnd = NULL;
 		}
 	}
 
@@ -415,6 +444,10 @@ GHOST_WindowWin32::~GHOST_WindowWin32()
 		m_customCursor = NULL;
 	}
 
+<<<<<<< HEAD
+	if (m_hWnd != NULL && m_hDC != NULL && releaseNativeHandles())
+		::ReleaseDC(m_hWnd, m_hDC);
+=======
 	::wglMakeCurrent(NULL, NULL);
 	m_multisampleEnabled = GHOST_kFailure;
 	m_multisample = 0;
@@ -424,6 +457,7 @@ GHOST_WindowWin32::~GHOST_WindowWin32()
 		::ReleaseDC(m_hWnd, m_hDC);
 		m_hDC = 0;
 	}
+>>>>>>> master
 
 	if (m_hWnd) {
 		if (m_dropTarget) {
@@ -438,14 +472,9 @@ GHOST_WindowWin32::~GHOST_WindowWin32()
 	}
 }
 
-GHOST_Window *GHOST_WindowWin32::getNextWindow()
-{
-	return m_nextWindow;
-}
-
 bool GHOST_WindowWin32::getValid() const
 {
-	return m_hWnd != 0;
+	return GHOST_Window::getValid() && m_hWnd != 0 && m_hDC != 0;
 }
 
 HWND GHOST_WindowWin32::getHWND() const
@@ -678,49 +707,6 @@ GHOST_TSuccess GHOST_WindowWin32::setOrder(GHOST_TWindowOrder order)
 }
 
 
-GHOST_TSuccess GHOST_WindowWin32::swapBuffers()
-{
-	HDC hDC = m_hDC;
-
-	if (is_crappy_intel_card())
-		hDC = ::wglGetCurrentDC();
-
-	return ::SwapBuffers(hDC) == TRUE ? GHOST_kSuccess : GHOST_kFailure;
-}
-
-GHOST_TSuccess GHOST_WindowWin32::setSwapInterval(int interval)
-{
-	if (!WGL_EXT_swap_control)
-		return GHOST_kFailure;
-	return wglSwapIntervalEXT(interval) == TRUE ? GHOST_kSuccess : GHOST_kFailure;
-}
-
-int GHOST_WindowWin32::getSwapInterval()
-{
-	if (WGL_EXT_swap_control)
-		return wglGetSwapIntervalEXT();
-
-	return 0;
-}
-
-GHOST_TSuccess GHOST_WindowWin32::activateDrawingContext()
-{
-	GHOST_TSuccess success;
-	if (m_drawingContextType == GHOST_kDrawingContextTypeOpenGL) {
-		if (m_hDC && m_hGlRc) {
-			success = ::wglMakeCurrent(m_hDC, m_hGlRc) == TRUE ? GHOST_kSuccess : GHOST_kFailure;
-		}
-		else {
-			success = GHOST_kFailure;
-		}
-	}
-	else {
-		success = GHOST_kSuccess;
-	}
-	return success;
-}
-
-
 GHOST_TSuccess GHOST_WindowWin32::invalidate()
 {
 	GHOST_TSuccess success;
@@ -733,264 +719,116 @@ GHOST_TSuccess GHOST_WindowWin32::invalidate()
 	return success;
 }
 
-GHOST_TSuccess GHOST_WindowWin32::initMultisample(PIXELFORMATDESCRIPTOR pfd)
+
+
+GHOST_Context* GHOST_WindowWin32::newDrawingContext(GHOST_TDrawingContextType type)
 {
-	int pixelFormat;
-	bool success = FALSE;
-	UINT numFormats;
-	HDC hDC = GetDC(getHWND());
-	float fAttributes[] = {0, 0};
-	UINT nMaxFormats = 1;
+	if (type == GHOST_kDrawingContextTypeOpenGL) {
+#if defined(WITH_GL_CONTEXT_DESKTOP)
 
-	// The attributes to look for
-	int iAttributes[] = {
-		WGL_DRAW_TO_WINDOW_ARB, GL_TRUE,
-		WGL_SUPPORT_OPENGL_ARB, GL_TRUE,
-		WGL_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB,
-		WGL_COLOR_BITS_ARB, pfd.cColorBits,
-		WGL_DEPTH_BITS_ARB, pfd.cDepthBits,
-#ifdef GHOST_OPENGL_ALPHA
-		WGL_ALPHA_BITS_ARB, pfd.cAlphaBits,
+#if defined(WITH_GL_PROFILE_CORE)
+		GHOST_Context* context = new GHOST_ContextWGL(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_hWnd,
+			m_hDC,
+			WGL_CONTEXT_OPENGL_CORE_PROFILE_BIT,
+			3, 2,
+			GHOST_OPENGL_WGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_WGL_RESET_NOTIFICATION_STRATEGY);
+#elif defined(WITH_GL_PROFILE_ES20)
+		GHOST_Context* context = new GHOST_ContextWGL(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_hWnd,
+			m_hDC,
+			WGL_CONTEXT_ES2_PROFILE_BIT_EXT,
+			2, 0,
+			GHOST_OPENGL_WGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_WGL_RESET_NOTIFICATION_STRATEGY);
+#elif defined(WITH_GL_PROFILE_COMPAT)
+		GHOST_Context* context = new GHOST_ContextWGL(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_hWnd,
+			m_hDC,
+			0, // profile bit
+			0, 0,
+			GHOST_OPENGL_WGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_WGL_RESET_NOTIFICATION_STRATEGY);
+#else
+#error
 #endif
-		WGL_STENCIL_BITS_ARB, pfd.cStencilBits,
-		WGL_DOUBLE_BUFFER_ARB, GL_TRUE,
-		WGL_SAMPLE_BUFFERS_ARB, GL_TRUE,
-		WGL_SAMPLES_ARB, m_multisample,
-		0, 0
-	};
 
-	// Get the function
-	PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARB = (PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB");
+#elif defined(WITH_GL_CONTEXT_EMBEDDED)
 
+#if defined(WITH_GL_PROFILE_CORE)
+		GHOST_Context* context = new GHOST_ContextEGL(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_hWnd,
+			m_hDC,
+			EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT,
+			3, 2,
+			GHOST_OPENGL_EGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
+			EGL_OPENGL_API);
+#elif defined(WITH_GL_PROFILE_ES20)
+		GHOST_Context* context = new GHOST_ContextEGL(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_hWnd,
+			m_hDC,
+			0, // profile bit
+			2, 0,
+			GHOST_OPENGL_EGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
+			EGL_OPENGL_ES_API);
+#elif defined(WITH_GL_PROFILE_COMPAT)
+		GHOST_Context* context = new GHOST_ContextEGL(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_hWnd,
+			m_hDC,
+			0, // profile bit
+			0, 0,
+			GHOST_OPENGL_EGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
+			EGL_OPENGL_API);
+#else
+#error
+#endif
+
+<<<<<<< HEAD
+#else
+#error
+#endif
+		if (context->initializeDrawingContext())
+			return context;
+		else
+			delete context;
+=======
 	if (!wglChoosePixelFormatARB) {
 		m_multisampleEnabled = GHOST_kFailure;
 		return GHOST_kFailure;
+>>>>>>> master
 	}
 
-	// iAttributes[17] is the initial multisample. If not valid try to use the closest valid value under it.
-	while (iAttributes[17] > 0) {
-		// See if the format is valid
-		success = wglChoosePixelFormatARB(hDC, iAttributes, fAttributes, nMaxFormats, &pixelFormat, &numFormats);
-		GHOST_PRINTF("WGL_SAMPLES_ARB = %i --> success = %i, %i formats\n", iAttributes[17], success, numFormats);
-
-		if (success && numFormats >= 1 && m_multisampleEnabled == GHOST_kFailure) {
-			GHOST_PRINTF("valid pixel format with %i multisamples\n", iAttributes[17]);
-			m_multisampleEnabled = GHOST_kSuccess;
-			m_msPixelFormat = pixelFormat;
-		}
-		iAttributes[17] -= 1;
-		success = GHOST_kFailure;
-	}
-	if (m_multisampleEnabled == GHOST_kSuccess) {
-		return GHOST_kSuccess;
-	}
-	GHOST_PRINT("no available pixel format\n");
-	return GHOST_kFailure;
+	return NULL;
 }
 
-GHOST_TSuccess GHOST_WindowWin32::installDrawingContext(GHOST_TDrawingContextType type)
-{
-	GHOST_TSuccess success;
-	switch (type) {
-		case GHOST_kDrawingContextTypeOpenGL:
-		{
-			// If this window has multisample enabled, use the supplied format
-			if (m_multisampleEnabled)
-			{
-				if (SetPixelFormat(m_hDC, m_msPixelFormat, &sPreferredFormat) == FALSE)
-				{
-					success = GHOST_kFailure;
-					break;
-				}
 
-				// Create the context
-				m_hGlRc = ::wglCreateContext(m_hDC);
-				if (m_hGlRc) {
-					if (::wglMakeCurrent(m_hDC, m_hGlRc) == TRUE) {
-						if (s_firsthGLRc) {
-							if (is_crappy_intel_card()) {
-								if (::wglMakeCurrent(NULL, NULL) == TRUE) {
-									::wglDeleteContext(m_hGlRc);
-									m_hGlRc = s_firsthGLRc;
-								}
-								else {
-									::wglDeleteContext(m_hGlRc);
-									m_hGlRc = NULL;
-								}
-							}
-							else {
-								::wglCopyContext(s_firsthGLRc, m_hGlRc, GL_ALL_ATTRIB_BITS);
-								::wglShareLists(s_firsthGLRc, m_hGlRc);
-							}
-						}
-						else {
-							s_firsthGLRc = m_hGlRc;
-						}
-
-						if (m_hGlRc) {
-							success = ::wglMakeCurrent(m_hDC, m_hGlRc) == TRUE ? GHOST_kSuccess : GHOST_kFailure;
-						}
-						else {
-							success = GHOST_kFailure;
-						}
-					}
-					else {
-						success = GHOST_kFailure;
-					}
-				}
-				else {
-					success = GHOST_kFailure;
-				}
-
-				if (success == GHOST_kFailure) {
-					printf("Failed to get a context....\n");
-				}
-			}
-			else {
-				if (m_stereoVisual)
-					sPreferredFormat.dwFlags |= PFD_STEREO;
-
-				// Attempt to match device context pixel format to the preferred format
-				int iPixelFormat = EnumPixelFormats(m_hDC);
-				if (iPixelFormat == 0) {
-					success = GHOST_kFailure;
-					break;
-				}
-				if (::SetPixelFormat(m_hDC, iPixelFormat, &sPreferredFormat) == FALSE) {
-					success = GHOST_kFailure;
-					break;
-				}
-				// For debugging only: retrieve the pixel format chosen
-				PIXELFORMATDESCRIPTOR preferredFormat;
-				::DescribePixelFormat(m_hDC, iPixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &preferredFormat);
-
-				// Create the context
-				m_hGlRc = ::wglCreateContext(m_hDC);
-				if (m_hGlRc) {
-					if (::wglMakeCurrent(m_hDC, m_hGlRc) == TRUE) {
-						if (s_firsthGLRc) {
-							if (is_crappy_intel_card()) {
-								if (::wglMakeCurrent(NULL, NULL) == TRUE) {
-									::wglDeleteContext(m_hGlRc);
-									m_hGlRc = s_firsthGLRc;
-								}
-								else {
-									::wglDeleteContext(m_hGlRc);
-									m_hGlRc = NULL;
-								}
-							}
-							else {
-								::wglShareLists(s_firsthGLRc, m_hGlRc);
-							}
-						}
-						else {
-							s_firsthGLRc = m_hGlRc;
-						}
-
-						if (m_hGlRc) {
-							success = ::wglMakeCurrent(m_hDC, m_hGlRc) == TRUE ? GHOST_kSuccess : GHOST_kFailure;
-						}
-						else {
-							success = GHOST_kFailure;
-						}
-					}
-					else {
-						success = GHOST_kFailure;
-					}
-				}
-				else {
-					success = GHOST_kFailure;
-				}
-					
-				if (success == GHOST_kFailure) {
-					printf("Failed to get a context....\n");
-				}
-
-				// Attempt to enable multisample
-				if (m_multisample && WGL_ARB_multisample && !m_multisampleEnabled && !is_crappy_intel_card())
-				{
-					success = initMultisample(preferredFormat);
-
-					if (success)
-					{
-
-						// Make sure we don't screw up the context
-						if (m_hGlRc == s_firsthGLRc)
-							s_firsthGLRc = NULL;
-						m_drawingContextType = GHOST_kDrawingContextTypeOpenGL;
-						removeDrawingContext();
-
-						// Create a new window
-						GHOST_TWindowState new_state = getState();
-
-						m_nextWindow = new GHOST_WindowWin32((GHOST_SystemWin32 *)GHOST_ISystem::getSystem(),
-						                                     m_title,
-						                                     m_left,
-						                                     m_top,
-						                                     m_width,
-						                                     m_height,
-						                                     new_state,
-						                                     type,
-						                                     m_stereo,
-						                                     m_multisample,
-						                                     m_parentWindowHwnd,
-						                                     m_multisampleEnabled,
-						                                     m_msPixelFormat);
-
-						// Return failure so we can trash this window.
-						success = GHOST_kFailure;
-						break;
-					}
-					else {
-						m_multisampleEnabled = GHOST_kSuccess;
-						printf("Multisample failed to initialize\n");
-						success = GHOST_kSuccess;
-					}
-				}
-			}
-
-		}
-		break;
-
-		case GHOST_kDrawingContextTypeNone:
-			success = GHOST_kSuccess;
-			break;
-
-		default:
-			success = GHOST_kFailure;
-	}
-	return success;
-}
-
-GHOST_TSuccess GHOST_WindowWin32::removeDrawingContext()
-{
-	GHOST_TSuccess success;
-	switch (m_drawingContextType) {
-		case GHOST_kDrawingContextTypeOpenGL:
-			// we shouldn't remove the drawing context if it's the first OpenGL context
-			// If we do, we get corrupted drawing. See #19997
-			if (m_hGlRc && m_hGlRc != s_firsthGLRc) {
-				success = ::wglDeleteContext(m_hGlRc) == TRUE ? GHOST_kSuccess : GHOST_kFailure;
-				m_hGlRc = 0;
-			}
-			else {
-				success = GHOST_kFailure;
-			}
-			break;
-		case GHOST_kDrawingContextTypeNone:
-			success = GHOST_kSuccess;
-			break;
-		default:
-			success = GHOST_kFailure;
-	}
-	return success;
-}
 
 void GHOST_WindowWin32::lostMouseCapture()
 {
 	if (m_hasMouseCaptured) {
+<<<<<<< HEAD
+		m_hasGrabMouse     = false;
+		m_nPressedButtons  = 0;
+=======
 		m_hasGrabMouse = false;
 		m_nPressedButtons = 0;
+>>>>>>> master
 		m_hasMouseCaptured = false;
 	}
 }
@@ -1334,6 +1172,8 @@ GHOST_TSuccess GHOST_WindowWin32::endProgressBar()
 	return GHOST_kFailure;
 }
 
+<<<<<<< HEAD
+=======
 /* Ron Fosner's code for weighting pixel formats and forcing software.
  * See http://www.opengl.org/resources/faq/technical/weight.cpp */
 
@@ -1424,3 +1264,4 @@ static int EnumPixelFormats(HDC hdc)
 	}
 	return iPixelFormat;
 }
+>>>>>>> master

intern/ghost/intern/GHOST_WindowWin32.h

@@ -37,16 +37,16 @@
 #error WIN32 only!
 #endif // WIN32
 
+#define _WIN32_WINNT 0x501 // require Windows XP or newer
+#define WIN32_LEAN_AND_MEAN
+
 #include "GHOST_Window.h"
 #include "GHOST_TaskbarWin32.h"
 
 #ifndef __MINGW64__
-#define _WIN32_WINNT 0x501 // require Windows XP or newer
 #endif
-#define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 
-
 #include <wintab.h>
 #define PACKETDATA  (PK_BUTTONS | PK_NORMAL_PRESSURE | PK_ORIENTATION | PK_CURSOR)
 #define PACKETMODE  PK_BUTTONS
@@ -73,15 +73,16 @@ public:
 	 * Constructor.
 	 * Creates a new window and opens it.
 	 * To check if the window was created properly, use the getValid() method.
-	 * \param title		The text shown in the title bar of the window.
-	 * \param left		The coordinate of the left edge of the window.
-	 * \param top		The coordinate of the top edge of the window.
-	 * \param width		The width the window.
-	 * \param height	The height the window.
-	 * \param state		The state the window is initially opened with.
-	 * \param type		The type of drawing context installed in this window.
-	 * \param stereoVisual	Stereo visual for quad buffered stereo.
-	 * \param numOfAASamples	Number of samples used for AA (zero if no AA)
+	 * \param title              The text shown in the title bar of the window.
+	 * \param left               The coordinate of the left edge of the window.
+	 * \param top                The coordinate of the top edge of the window.
+	 * \param width              The width the window.
+	 * \param height             The height the window.
+	 * \param state              The state the window is initially opened with.
+	 * \param type               The type of drawing context installed in this window.
+	 * \param wantStereoVisual   Stereo visual for quad buffered stereo.
+	 * \param wantNumOfAASamples Number of samples used for AA (zero if no AA)
+	 * \param parentWindowHwnd
 	 */
 	GHOST_WindowWin32(
 	    GHOST_SystemWin32 *system,
@@ -92,11 +93,9 @@ public:
 	    GHOST_TUns32 height,
 	    GHOST_TWindowState state,
 	    GHOST_TDrawingContextType type = GHOST_kDrawingContextTypeNone,
-	    const bool stereoVisual = false,
-	    const GHOST_TUns16 numOfAASamples = 0,
-	    GHOST_TEmbedderWindowID parentWindowHwnd = 0,
-	    GHOST_TSuccess msEnabled = GHOST_kFailure,
-	    int msPixelFormat = 0
+	    bool wantStereoVisual = false,
+	    GHOST_TUns16 wantNumOfAASamples = 0,
+	    GHOST_TEmbedderWindowID parentWindowHwnd = 0
 	    );
 
 	/**
@@ -105,13 +104,6 @@ public:
 	 */
 	virtual ~GHOST_WindowWin32();
 
-	/**
-	 * Returns the window to replace this one if it's getting replaced
-	 * \return The window replacing this one.
-	 */
-
-	GHOST_Window *getNextWindow();
-
 	/**
 	 * Returns indication as to whether the window is valid.
 	 * \return The validity of the window.
@@ -208,29 +200,6 @@ public:
 	virtual GHOST_TSuccess setOrder(GHOST_TWindowOrder order);
 
 	/**
-	 * Swaps front and back buffers of a window.
-	 * \return Indication of success.
-	 */
-	virtual GHOST_TSuccess swapBuffers();
-
-	/**
-	 * Sets the swap interval for swapBuffers.
-	 * \param interval The swap interval to use.
-	 * \return A boolean success indicator.
-	 */
-	virtual GHOST_TSuccess setSwapInterval(int interval);
-
-	/**
-	 * Gets the current swap interval for swapBuffers.
-	 * \return An integer.
-	 */
-	virtual int getSwapInterval();
-
-	/**
-	 * Activates the drawing context of this window.
-	 * \return Indication of success.
-	 */
-	virtual GHOST_TSuccess activateDrawingContext();
 
 	/**
 	 * Invalidates the contents of this window.
@@ -248,13 +217,6 @@ public:
 	 */
 	virtual GHOST_TSuccess endProgressBar();
 	
-	/**
-	 * Returns the name of the window class.
-	 * \return The name of the window class.
-	 */
-	static const wchar_t *getWindowClassName() {
-		return s_windowClassName;
-	}
 
 	/**
 	 * Register a mouse click event (should be called 
@@ -296,23 +258,15 @@ public:
 	GHOST_TSuccess endFullScreen() const {return GHOST_kFailure;}
 
 	/** if the window currently resizing */
-	bool m_inLiveResize;
+	bool m_inLiveResize; // XXX jwilkins: ugh
 
-protected:
-	GHOST_TSuccess initMultisample(PIXELFORMATDESCRIPTOR pfd);
+private:
 
 	/**
-	 * Tries to install a rendering context in this window.
-	 * \param type	The type of rendering context installed.
+	 * \param type	The type of rendering context create.
 	 * \return Indication of success.
 	 */
-	virtual GHOST_TSuccess installDrawingContext(GHOST_TDrawingContextType type);
-
-	/**
-	 * Removes the current drawing context.
-	 * \return Indication of success.
-	 */
-	virtual GHOST_TSuccess removeDrawingContext();
+	virtual GHOST_Context* newDrawingContext(GHOST_TDrawingContextType type);
 
 	/**
 	 * Sets the cursor visibility on the window using
@@ -360,12 +314,7 @@ protected:
 	HWND m_hWnd;
 	/** Device context handle. */
 	HDC m_hDC;
-	/** OpenGL rendering context. */
-	HGLRC m_hGlRc;
-	/** The first created OpenGL context (for sharing display lists) */
-	static HGLRC s_firsthGLRc;
-	/** The first created device context handle. */
-	static HDC s_firstHDC;
+
 	/** Flag for if window has captured the mouse */
 	bool m_hasMouseCaptured;
 	/** Flag if an operator grabs the mouse with WM_cursor_grab_enable/ungrab() 
@@ -393,26 +342,7 @@ protected:
 	LONG m_maxPressure;
 	LONG m_maxAzimuth, m_maxAltitude;
 
-	/** Preferred number of samples */
-	GHOST_TUns16 m_multisample;
-
-	/** Check if multisample is supported */
-	GHOST_TSuccess m_multisampleEnabled;
-
-	/** The pixelFormat to use for multisample */
-	int m_msPixelFormat;
-
-	/** We need to following to recreate the window */
-	const STR_String& m_title;
-	GHOST_TInt32 m_left;
-	GHOST_TInt32 m_top;
-	GHOST_TUns32 m_width;
-	GHOST_TUns32 m_height;
 	GHOST_TWindowState m_normal_state;
-	bool m_stereo;
-
-	/** The GHOST_System passes this to wm if this window is being replaced */
-	GHOST_Window *m_nextWindow;
 
 	/** Hwnd to parent window */
 	GHOST_TEmbedderWindowID m_parentWindowHwnd;

intern/ghost/intern/GHOST_WindowX11.cpp

@@ -30,8 +30,6 @@
  */
 
 
-#include <GL/glxew.h>
-
 #include "GHOST_WindowX11.h"
 #include "GHOST_SystemX11.h"
 #include "STR_String.h"
@@ -41,6 +39,14 @@
 #include "GHOST_DropTargetX11.h"
 #endif
 
+#if defined(WITH_GL_CONTEXT_DESKTOP)
+#include "GHOST_ContextGLX.h"
+#endif
+
+#if defined(WITH_GL_CONTEXT_EMBEDDED)
+#include "GHOST_ContextEGL.h"
+#endif
+
 /* For standard X11 cursors */
 #include <X11/cursorfont.h>
 #include <X11/Xatom.h>
@@ -65,14 +71,6 @@ typedef struct {
 	long input_mode;
 } MotifWmHints;
 
-// Workaround for MESA bug #54080
-// https://bugs.freedesktop.org/show_bug.cgi?id=54080()
-#define SWAP_INTERVALS_WORKAROUND
-
-#ifdef SWAP_INTERVALS_WORKAROUND
-static bool g_swap_interval_disabled = false;
-#endif  // SWAP_INTERVALS_WORKAROUND
-
 #define MWM_HINTS_DECORATIONS         (1L << 1)
 
 
@@ -157,132 +155,53 @@ static long BLENDER_ICON_48x48x32[] = {
 };
 
 
-GLXContext GHOST_WindowX11::s_firstContext = NULL;
 
 GHOST_WindowX11::
 GHOST_WindowX11(
-        GHOST_SystemX11 *system,
-        Display *display,
-        const STR_String& title,
-        GHOST_TInt32 left,
-        GHOST_TInt32 top,
-        GHOST_TUns32 width,
-        GHOST_TUns32 height,
-        GHOST_TWindowState state,
-        const GHOST_TEmbedderWindowID parentWindow,
-        GHOST_TDrawingContextType type,
-        const bool stereoVisual,
-        const bool exclusive,
-        const GHOST_TUns16 numOfAASamples)
-    : GHOST_Window(width, height, state, type, stereoVisual, exclusive, numOfAASamples),
-      m_context(NULL),
-      m_display(display),
-      m_normal_state(GHOST_kWindowStateNormal),
-      m_system(system),
-      m_valid_setup(false),
-      m_invalid_window(false),
-      m_empty_cursor(None),
-      m_custom_cursor(None),
-      m_visible_cursor(None)
+    GHOST_SystemX11 *system,
+    Display *display,
+    const STR_String& title,
+    GHOST_TInt32 left,
+    GHOST_TInt32 top,
+    GHOST_TUns32 width,
+    GHOST_TUns32 height,
+    GHOST_TWindowState state,
+    const GHOST_TEmbedderWindowID parentWindow,
+    GHOST_TDrawingContextType type,
+    const bool stereoVisual,
+    const bool exclusive,
+    const GHOST_TUns16 numOfAASamples
+    ) :
+	GHOST_Window(width, height, state, stereoVisual, exclusive, numOfAASamples),
+	m_display(display),
+	m_normal_state(GHOST_kWindowStateNormal),
+	m_system(system),
+	m_valid_setup(false),
+	m_invalid_window(false),
+	m_empty_cursor(None),
+	m_custom_cursor(None),
+	m_visible_cursor(None)
 {
-	
-	/* Set up the minimum attributes that we require and see if
-	 * X can find us a visual matching those requirements. */
-
-	int attributes[40], i, samples;
 	int natom;
-	int glxVersionMajor, glxVersionMinor; /* As in GLX major.minor */
 
-	m_visual = NULL;
-
-	if (!glXQueryVersion(m_display, &glxVersionMajor, &glxVersionMinor)) {
-		printf("%s:%d: X11 glXQueryVersion() failed, verify working openGL system!\n", __FILE__, __LINE__);
-		
-		/* exit if this is the first window */
-		if (s_firstContext == NULL) {
-			printf("initial window could not find the GLX extension, exit!\n");
-			exit(1);
-		}
-
-		return;
-	}
-
-	/* Find the display with highest samples, starting at level requested */
-	for (samples = m_numOfAASamples; samples >= 0; samples--) {
-		i = 0; /* Reusing attributes array, so reset counter */
-
-		if (m_stereoVisual)
-			attributes[i++] = GLX_STEREO;
-
-		attributes[i++] = GLX_RGBA;
-		attributes[i++] = GLX_DOUBLEBUFFER;
-		attributes[i++] = GLX_RED_SIZE;   attributes[i++] = 1;
-		attributes[i++] = GLX_BLUE_SIZE;  attributes[i++] = 1;
-		attributes[i++] = GLX_GREEN_SIZE; attributes[i++] = 1;
-		attributes[i++] = GLX_DEPTH_SIZE; attributes[i++] = 1;
-#ifdef GHOST_OPENGL_ALPHA
-		attributes[i++] = GLX_ALPHA_SIZE; attributes[i++] = 1;
-#endif
-		/* GLX >= 1.4 required for multi-sample */
-		if (samples && (glxVersionMajor >= 1) && (glxVersionMinor >= 4)) {
-			attributes[i++] = GLX_SAMPLE_BUFFERS; attributes[i++] = 1;
-			attributes[i++] = GLX_SAMPLES; attributes[i++] = samples;
-		}
-		attributes[i] = None;
-
-		m_visual = glXChooseVisual(m_display, DefaultScreen(m_display), attributes);
-
-		/* Any sample level or even zero, which means oversampling disabled, is good
-		 * but we need a valid visual to continue */
-		if (m_visual == NULL) {
-			if (samples == 0) {
-				/* All options exhausted, cannot continue */
-				printf("%s:%d: X11 glXChooseVisual() failed, verify working openGL system!\n", __FILE__, __LINE__);
-				
-				if (s_firstContext == NULL) {
-					printf("initial window could not find the GLX extension, exit!\n");
-					exit(1);
-				}
-				
-				return;
-			}
-		}
-		else {
-			if (m_numOfAASamples && (m_numOfAASamples > samples)) {
-				printf("%s:%d: oversampling requested %i but using %i samples\n",
-				       __FILE__, __LINE__, m_numOfAASamples, samples);
-			}
-			break;
-		}
-	}
-
-	/* Create a bunch of attributes needed to create an X window. */
-
-
-	/* First create a colormap for the window and visual.
-	 * This seems pretty much a legacy feature as we are in rgba mode anyway. */
+	unsigned int xattributes_valuemask = 0;
 
 	XSetWindowAttributes xattributes;
-	unsigned int xattributes_valuemask = (CWBorderPixel | CWColormap | CWEventMask);
 	memset(&xattributes, 0, sizeof(xattributes));
 
-	xattributes.colormap = XCreateColormap(m_display,
-	                                       RootWindow(m_display, m_visual->screen),
-	                                       m_visual->visual,
-	                                       AllocNone
-	                                       );
-
+	xattributes_valuemask |= CWBorderPixel;
 	xattributes.border_pixel = 0;
 
 	/* Specify which events we are interested in hearing. */
 
+	xattributes_valuemask |= CWEventMask;
 	xattributes.event_mask =
-	        ExposureMask | StructureNotifyMask |
-	        KeyPressMask | KeyReleaseMask |
-	        EnterWindowMask | LeaveWindowMask |
-	        ButtonPressMask | ButtonReleaseMask |
-	        PointerMotionMask | FocusChangeMask |
-	        PropertyChangeMask | KeymapStateMask;
+	        ExposureMask       | StructureNotifyMask |
+	        KeyPressMask       | KeyReleaseMask      |
+	        EnterWindowMask    | LeaveWindowMask     |
+	        ButtonPressMask    | ButtonReleaseMask   |
+	        PointerMotionMask  | FocusChangeMask     |
+	        PropertyChangeMask | KeymapStateMask     ;
 
 	if (exclusive) {
 		xattributes_valuemask |= CWOverrideRedirect;
@@ -292,21 +211,20 @@ GHOST_WindowX11(
 	/* create the window! */
 	if (parentWindow == 0) {
 		m_window =  XCreateWindow(m_display,
-		                          RootWindow(m_display, m_visual->screen),
+		                          RootWindow(m_display, DefaultScreen(m_display)),
 		                          left,
 		                          top,
 		                          width,
 		                          height,
-		                          0,  /* no border. */
-		                          m_visual->depth,
+		                          0, /* no border. */
+		                          CopyFromParent,
 		                          InputOutput,
-		                          m_visual->visual,
+		                          CopyFromParent,
 		                          xattributes_valuemask,
 		                          &xattributes
 		                          );
 	}
 	else {
-
 		Window root_return;
 		int x_return, y_return;
 		unsigned int w_return, h_return, border_w_return, depth_return;
@@ -314,28 +232,26 @@ GHOST_WindowX11(
 		XGetGeometry(m_display, parentWindow, &root_return, &x_return, &y_return,
 		             &w_return, &h_return, &border_w_return, &depth_return);
 
-		left = 0;
-		top = 0;
-		width = w_return;
+		left   = 0;
+		top    = 0;
+		width  = w_return;
 		height = h_return;
 
-
 		m_window = XCreateWindow(m_display,
-		                         parentWindow,  /* reparent against embedder */
+		                         parentWindow, /* reparent against embedder */
 		                         left,
 		                         top,
 		                         width,
 		                         height,
-		                         0,     /* no border. */
-		                         m_visual->depth,
+		                         0, /* no border. */
+		                         CopyFromParent,
 		                         InputOutput,
-		                         m_visual->visual,
+		                         CopyFromParent,
 		                         xattributes_valuemask,
 		                         &xattributes
 		                         );
 
 		XSelectInput(m_display, parentWindow, SubstructureNotifyMask);
-		
 	}	
 
 #ifdef WITH_XDND
@@ -460,7 +376,7 @@ GHOST_WindowX11(
 #endif
 
 	/* now set up the rendering context. */
-	if (installDrawingContext(type) == GHOST_kSuccess) {
+	if (setDrawingContextType(type) == GHOST_kSuccess) {
 		m_valid_setup = true;
 		GHOST_PRINT("Created window\n");
 	}
@@ -685,7 +601,7 @@ screenToClient(
 	Window temp;
 
 	XTranslateCoordinates(m_display,
-	                      RootWindow(m_display, m_visual->screen),
+	                      RootWindow(m_display, DefaultScreen(m_display)),
 	                      m_window,
 	                      inX, inY,
 	                      &ax, &ay,
@@ -708,7 +624,7 @@ clientToScreen(
 	XTranslateCoordinates(
 	    m_display,
 	    m_window,
-	    RootWindow(m_display, m_visual->screen),
+	    RootWindow(m_display, DefaultScreen(m_display)),
 	    inX, inY,
 	    &ax, &ay,
 	    &temp);
@@ -1052,7 +968,7 @@ setOrder(
 			xev.xclient.data.l[3] = 0;
 			xev.xclient.data.l[4] = 0;
 
-			root = RootWindow(m_display, m_visual->screen),
+			root = RootWindow(m_display, DefaultScreen(m_display)),
 			eventmask = SubstructureRedirectMask | SubstructureNotifyMask;
 
 			XSendEvent(m_display, root, False, eventmask, &xev);
@@ -1077,34 +993,6 @@ setOrder(
 	return GHOST_kSuccess;
 }
 
-GHOST_TSuccess
-GHOST_WindowX11::
-swapBuffers()
-{
-	if (getDrawingContextType() == GHOST_kDrawingContextTypeOpenGL) {
-		glXSwapBuffers(m_display, m_window);
-		return GHOST_kSuccess;
-	}
-	else {
-		return GHOST_kFailure;
-	}
-}
-
-GHOST_TSuccess
-GHOST_WindowX11::
-activateDrawingContext()
-{
-	if (m_context != NULL) {
-		glXMakeCurrent(m_display, m_window, m_context);
-		/* Disable AA by default */
-		if (m_numOfAASamples > 0) {
-			glDisable(GL_MULTISAMPLE_ARB);
-		}
-		return GHOST_kSuccess;
-	} 
-	return GHOST_kFailure;
-}
-
 GHOST_TSuccess
 GHOST_WindowX11::
 invalidate()
@@ -1172,10 +1060,6 @@ GHOST_WindowX11::
 		XFreeCursor(m_display, m_custom_cursor);
 	}
 
-	if (m_context != s_firstContext) {
-		glXDestroyContext(m_display, m_context);
-	}
-	
 	if (p_owner == m_window) {
 		XSetSelectionOwner(m_display, Primary_atom, None, CurrentTime);
 	}
@@ -1193,91 +1077,105 @@ GHOST_WindowX11::
 	delete m_dropTarget;
 #endif
 
+	releaseNativeHandles();
+
 	XDestroyWindow(m_display, m_window);
-	XFree(m_visual);
 }
 
 
 
-
-/**
- * Tries to install a rendering context in this window.
- * \param type	The type of rendering context installed.
- * \return Indication as to whether installation has succeeded.
- */
-GHOST_TSuccess
-GHOST_WindowX11::
-installDrawingContext(
-		GHOST_TDrawingContextType type)
+GHOST_Context* GHOST_WindowX11::newDrawingContext(GHOST_TDrawingContextType type)
 {
-	/* only support openGL for now. */
-	GHOST_TSuccess success;
-	switch (type) {
-		case GHOST_kDrawingContextTypeOpenGL:
-		{
-#ifdef WITH_X11_XINPUT
-			/* use our own event handlers to avoid exiting blender,
-			 * this would happen for eg:
-			 * if you open blender, unplug a tablet, then open a new window. */
-			XErrorHandler old_handler      = XSetErrorHandler(GHOST_X11_ApplicationErrorHandler);
-			XIOErrorHandler old_handler_io = XSetIOErrorHandler(GHOST_X11_ApplicationIOErrorHandler);
+	if (type == GHOST_kDrawingContextTypeOpenGL) {
+#if defined(WITH_GL_CONTEXT_DESKTOP)
+
+#if defined(WITH_GL_PROFILE_CORE)
+		GHOST_Context* context = new GHOST_ContextGLX(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_window,
+			m_display,
+			GLX_CONTEXT_OPENGL_CORE_PROFILE_BIT,
+			3, 2,
+			GHOST_OPENGL_GLX_CONTEXT_FLAGS,
+			GHOST_OPENGL_GLX_RESET_NOTIFICATION_STRATEGY);
+#elif defined(WITH_GL_PROFILE_ES20)
+		GHOST_Context* context = new GHOST_ContextGLX(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_window,
+			m_display,
+			GLX_CONTEXT_ES2_PROFILE_BIT_EXT,
+			2, 0,
+			GHOST_OPENGL_GLX_CONTEXT_FLAGS,
+			GHOST_OPENGL_GLX_RESET_NOTIFICATION_STRATEGY);
+#elif defined(WITH_GL_PROFILE_COMPAT)
+		GHOST_Context* context = new GHOST_ContextGLX(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_window,
+			m_display,
+			0, // profile bit
+			0, 0,
+			GHOST_OPENGL_GLX_CONTEXT_FLAGS,
+			GHOST_OPENGL_GLX_RESET_NOTIFICATION_STRATEGY);
+#else
+#error
 #endif
 
-			m_context = glXCreateContext(m_display, m_visual, s_firstContext, True);
-			if (m_context != NULL) {
-				if (!s_firstContext) {
-					s_firstContext = m_context;
-				}
-				glXMakeCurrent(m_display, m_window, m_context);
-				glClearColor(0.447, 0.447, 0.447, 0);
-				glClear(GL_COLOR_BUFFER_BIT);
-				success = GHOST_kSuccess;
-			}
-			else {
-				success = GHOST_kFailure;
-			}
+#elif defined(WITH_GL_CONTEXT_EMBEDDED)
 
-#ifdef WITH_X11_XINPUT
-			/* Restore handler */
-			(void) XSetErrorHandler(old_handler);
-			(void) XSetIOErrorHandler(old_handler_io);
+#if defined(WITH_GL_PROFILE_CORE)
+		GHOST_Context* context = new GHOST_ContextEGL(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_window,
+			m_display,
+			EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT,
+			3, 2,
+			GHOST_OPENGL_EGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
+			EGL_OPENGL_API);
+#elif defined(WITH_GL_PROFILE_ES20)
+		GHOST_Context* context = new GHOST_ContextEGL(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_window,
+			m_display,
+			0, // profile bit
+			2, 0,
+			GHOST_OPENGL_EGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
+			EGL_OPENGL_ES_API);
+#elif defined(WITH_GL_PROFILE_COMPAT)
+		GHOST_Context* context = new GHOST_ContextEGL(
+			m_wantStereoVisual,
+			m_wantNumOfAASamples,
+			m_window,
+			m_display,
+			0, // profile bit
+			0, 0,
+			GHOST_OPENGL_EGL_CONTEXT_FLAGS,
+			GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
+			EGL_OPENGL_API);
+#else
+#error
 #endif
-			break;
-		}
-		case GHOST_kDrawingContextTypeNone:
-		{
-			success = GHOST_kSuccess;
-			break;
-		}
-		default:
-			success = GHOST_kFailure;
+
+#else
+#error
+#endif
+		if (context->initializeDrawingContext())
+			return context;
+		else
+			delete context;
 	}
-	return success;
+
+	return NULL;
 }
 
 
 
-/**
- * Removes the current drawing context.
- * \return Indication as to whether removal has succeeded.
- */
-GHOST_TSuccess
-GHOST_WindowX11::
-removeDrawingContext()
-{
-	GHOST_TSuccess success;
-
-	if (m_context != NULL) {
-		glXDestroyContext(m_display, m_context);
-		success = GHOST_kSuccess;
-	}
-	else {
-		success = GHOST_kFailure;
-	}
-	return success;	
-}
-
-
 Cursor
 GHOST_WindowX11::
 getStandardCursor(
@@ -1530,72 +1428,3 @@ endFullScreen() const
 
 	return GHOST_kSuccess;
 }
-
-GHOST_TSuccess
-GHOST_WindowX11::
-setSwapInterval(int interval) {
-	if (!GLX_EXT_swap_control || !glXSwapIntervalEXT
-#ifdef SWAP_INTERVALS_WORKAROUND
-	    || g_swap_interval_disabled
-#endif  // SWAP_INTERVALS_WORKAROUND
-	    )
-	{
-		return GHOST_kFailure;
-	}
-	glXSwapIntervalEXT(m_display, m_window, interval);
-	return GHOST_kSuccess;
-}
-
-#ifdef SWAP_INTERVALS_WORKAROUND
-static int QueryDrawable_ApplicationErrorHandler(Display *display, XErrorEvent *theEvent)
-{
-	fprintf(stderr, "Ignoring Xlib error: error code %d request code %d\n",
-	        theEvent->error_code, theEvent->request_code);
-	if (!g_swap_interval_disabled) {
-		fprintf(stderr, "Disabling SWAP INTERVALS extension\n");
-		g_swap_interval_disabled = true;
-	}
-	return 0;
-}
-
-static int QueryDrawable_ApplicationIOErrorHandler(Display *display)
-{
-	fprintf(stderr, "Ignoring Xlib error: error IO\n");
-	if (!g_swap_interval_disabled) {
-		fprintf(stderr, "Disabling SWAP INTERVALS extension\n");
-		g_swap_interval_disabled = true;
-	}
-	return 0;
-}
-#endif  // SWAP_INTERVALS_WORKAROUND
-
-int
-GHOST_WindowX11::
-getSwapInterval() {
-	if (GLX_EXT_swap_control) {
-#ifdef SWAP_INTERVALS_WORKAROUND
-		/* XXX: Current MESA driver will give GLXBadDrawable for all
-		 *      the glXQueryDrawable requests with direct contexts.
-		 *
-		 *      To prevent crashes and unexpected behaviors, we will
-		 *      disable swap intervals extension if query fails here.
-		 *      (because if we will override interval without having
-		 *      old value we couldn't restore it properly).
-		 */
-		XErrorHandler old_handler      = XSetErrorHandler(QueryDrawable_ApplicationErrorHandler);
-		XIOErrorHandler old_handler_io = XSetIOErrorHandler(QueryDrawable_ApplicationIOErrorHandler);
-#endif  // SWAP_INTERVALS_WORKAROUND
-
-		unsigned int value = 0;
-		glXQueryDrawable(m_display, m_window, GLX_SWAP_INTERVAL_EXT, &value);
-
-#ifdef SWAP_INTERVALS_WORKAROUND
-		/* Restore handler */
-		(void) XSetErrorHandler(old_handler);
-		(void) XSetIOErrorHandler(old_handler_io);
-#endif  // SWAP_INTERVALS_WORKAROUND
-
-		return (int)value;
-	}
-	return 0;
-}

intern/ghost/intern/GHOST_WindowX11.h

@@ -35,7 +35,6 @@
 
 #include "GHOST_Window.h"
 #include <X11/Xlib.h>
-#include <GL/glx.h>
 // For tablets
 #ifdef WITH_X11_XINPUT
 #  include <X11/extensions/XInput.h>
@@ -160,13 +159,6 @@ public:
 	    );
 	
 	GHOST_TSuccess
-	swapBuffers(
-	    );
-	
-	GHOST_TSuccess
-	activateDrawingContext(
-	    );
-	GHOST_TSuccess
 	invalidate(
 	    );
 
@@ -235,37 +227,12 @@ public:
 
 	GHOST_TSuccess endFullScreen() const;
 
-	/**
-	 * Sets the swap interval for swapBuffers.
-	 * \param interval The swap interval to use.
-	 * \return A boolean success indicator.
-	 */
-	virtual GHOST_TSuccess setSwapInterval(int interval);
-
-	/**
-	 * Gets the current swap interval for swapBuffers.
-	 * \return An integer.
-	 */
-	virtual int getSwapInterval();
-
 protected:
 	/**
-	 * Tries to install a rendering context in this window.
-	 * \param type	The type of rendering context installed.
-	 * \return Indication as to whether installation has succeeded.
+	 * \param type	The type of rendering context create.
+	 * \return Indication of success.
 	 */
-	GHOST_TSuccess
-	installDrawingContext(
-	    GHOST_TDrawingContextType type
-	    );
-
-	/**
-	 * Removes the current drawing context.
-	 * \return Indication as to whether removal has succeeded.
-	 */
-	GHOST_TSuccess
-	removeDrawingContext(
-	    );
+	virtual GHOST_Context* newDrawingContext(GHOST_TDrawingContextType type);
 
 	/**
 	 * Sets the cursor visibility on the window using
@@ -350,17 +317,11 @@ private:
 	void initXInputDevices();
 #endif
 	
-	GLXContext m_context;
-	Window m_window;
-	Display     *m_display;
-	XVisualInfo *m_visual;
+	Window   m_window;
+	Display *m_display;
 	GHOST_TWindowState m_normal_state;
 
-	/** The first created OpenGL context (for sharing display lists) */
-	static GLXContext s_firstContext;
-
-	/// A pointer to the typed system class.
-	
+	/**A pointer to the typed system class. */
 	GHOST_SystemX11 *m_system;
 
 	bool m_valid_setup;

intern/glew-mx/CMakeLists.txt

@@ -0,0 +1,39 @@
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# The Original Code is Copyright (C) 2014, Blender Foundation
+# All rights reserved.
+#
+# The Original Code is: all of this file.
+#
+# Contributor(s): Jason Wilkins
+#
+# ***** END GPL LICENSE BLOCK *****
+
+set(INC
+	.
+	${GLEW_INCLUDE_PATH}
+)
+
+set(SRC
+	glew-mx.h
+
+	intern/glew-mx.c
+)
+
+add_definitions(${GL_DEFINITIONS})
+
+blender_add_lib(bf_intern_glew_mx "${SRC}" "${INC}" "${INC_SYS}")

intern/glew-mx/glew-mx.h

@@ -0,0 +1,68 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2014 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file glew-mx.h
+ *  \ingroup glew-mx
+ * GLEW Context Management
+ */
+
+#ifndef GLEW_MX_H__
+#define GLEW_MX_H__
+
+#if GLEW_MX
+#define glewGetContext() _glewContext
+#endif
+
+#include <GL/glew.h>
+
+#if GLEW_MX
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern GLEWContext* _glewContext;
+
+void glewSetContext(GLEWContext* ctx);
+GLEWContext* glewCreateContext(void);
+void glewDestroyContext(GLEWContext* ctx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#else
+
+#include <stdlib.h> // for NULL
+
+#define glewSetContext(ctx)
+#define glewCreateContext() NULL
+#define glewDestroyContext(ctx)
+
+#endif // GLEW_MX
+
+#endif

intern/glew-mx/intern/glew-mx.c

@@ -0,0 +1,64 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2014 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jason Wilkins
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file glew-mx.c
+ *  \ingroup glew-mx
+ * GLEW Context Management
+ */
+
+#if GLEW_MX
+#include "glew-mx.h"
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+GLEWContext* _glewContext = NULL;
+
+void glewSetContext(GLEWContext* ctx)
+{
+	_glewContext = ctx;
+}
+
+GLEWContext* glewCreateContext()
+{
+	GLEWContext* rv = malloc(sizeof(GLEWContext));
+
+	if (rv != NULL)
+		memset(rv, 0, sizeof(GLEWContext));
+
+	return rv;
+}
+
+void glewDestroyContext(GLEWContext* ctx)
+{
+	if (_glewContext == ctx)
+		_glewContext = NULL;
+
+	free(ctx);
+}
+#endif

intern/guardedalloc/MEM_guardedalloc.h

@@ -66,6 +66,14 @@
 #include "../../source/blender/blenlib/BLI_sys_types.h"
 #include "../../source/blender/blenlib/BLI_compiler_attrs.h"
 
+
+
+#if defined(_MSC_VER) && !defined(__func__)
+#  define __func__ __FUNCTION__
+#endif
+
+
+
 #ifdef __cplusplus
 extern "C" {
 #endif

intern/locale/CMakeLists.txt

@@ -36,6 +36,12 @@ set(SRC
 	boost_locale_wrapper.h
 )
 
+if(APPLE)
+	list(APPEND SRC
+		osx_user_locale.mm
+	)
+endif()
+
 if(WITH_HEADLESS)
 	add_definitions(-DWITH_HEADLESS)
 endif()

intern/locale/boost_locale_wrapper.cpp

@@ -65,8 +65,7 @@ void bl_locale_set(const char *locale)
 		}
 		else {
 #if defined(__APPLE__) && !defined(WITH_HEADLESS) && !defined(WITH_GHOST_SDL)
-			extern char GHOST_user_locale[128]; // pulled from Ghost_SystemCocoa
-			std::string locale_osx = GHOST_user_locale + std::string(".UTF-8");
+			std::string locale_osx = osx_user_locale() + std::string(".UTF-8");
 			_locale = gen(locale_osx.c_str());
 #else
 			_locale = gen("");

intern/locale/boost_locale_wrapper.h

@@ -42,7 +42,11 @@ void bl_locale_init(const char *messages_path, const char *default_domain);
 void bl_locale_set(const char *locale);
 const char *bl_locale_get(void);
 const char *bl_locale_pgettext(const char *msgctxt, const char *msgid);
-	
+
+#if defined(__APPLE__) && !defined(WITH_HEADLESS) && !defined(WITH_GHOST_SDL)
+const char* osx_user_locale(void);
+#endif
+
 #ifdef __cplusplus
 }
 #endif

intern/locale/osx_user_locale.mm

@@ -0,0 +1,22 @@
+#include "boost_locale_wrapper.h"
+
+#import <Cocoa/Cocoa.h>
+
+#include <cstdlib>
+
+static char* user_locale = NULL;
+
+// get current locale
+const char* osx_user_locale()
+{
+	::free(user_locale);
+	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+	CFLocaleRef myCFLocale = CFLocaleCopyCurrent();
+	NSLocale * myNSLocale = (NSLocale *) myCFLocale;
+	[myNSLocale autorelease];
+	NSString *nsIdentifier = [myNSLocale localeIdentifier];
+	user_locale = ::strdup([nsIdentifier UTF8String]);
+	[pool drain];
+
+	return user_locale;
+}

intern/opencolorio/CMakeLists.txt

@@ -25,6 +25,7 @@
 
 set(INC
 	.
+	../glew-mx
 	../guardedalloc
 	../../source/blender/blenlib
 )
@@ -44,9 +45,10 @@ set(SRC
 if(WITH_OPENCOLORIO)
 	add_definitions(
 		-DWITH_OCIO
-		-DGLEW_STATIC
 	)
 
+	add_definitions(${GL_DEFINITIONS})
+
 	list(APPEND INC_SYS
 		${OPENCOLORIO_INCLUDE_DIRS}
 		${GLEW_INCLUDE_PATH}

intern/opencolorio/ocio_impl.cc

@@ -29,13 +29,6 @@
 #include <sstream>
 #include <string.h>
 
-#ifdef __APPLE__
-#include <OpenGL/gl.h>
-#include <OpenGL/glu.h>
-#else
-#include <GL/glew.h>
-#endif
-
 #include <OpenColorIO/OpenColorIO.h>
 
 using namespace OCIO_NAMESPACE;

intern/opencolorio/ocio_impl_glsl.cc

@@ -37,7 +37,7 @@
 #include <sstream>
 #include <string.h>
 
-#include <GL/glew.h>
+#include "glew-mx.h"
 
 #include <OpenColorIO/OpenColorIO.h>
 

source/blender/blenfont/CMakeLists.txt

@@ -26,11 +26,13 @@ set(INC
 	../blenkernel
 	../blenlib
 	../editors/include
+	../gpu
 	../makesdna
 	../makesrna
 	../python
 	../imbuf
 	../../../intern/guardedalloc
+	../../../intern/glew-mx
 	../../../intern/locale
 )
 
@@ -58,7 +60,7 @@ if(WITH_INTERNATIONAL)
 	add_definitions(-DWITH_INTERNATIONAL)
 endif()
 
-add_definitions(-DGLEW_STATIC)
+add_definitions(${GL_DEFINITIONS})
 
 blender_add_lib(bf_blenfont "${SRC}" "${INC}" "${INC_SYS}")
 

source/blender/blenfont/intern/blf.c

@@ -514,7 +514,6 @@ static void blf_draw__start(FontBLF *font, GLint *mode, GLint *param)
 
 	glEnable(GL_BLEND);
 	glEnable(GL_TEXTURE_2D);
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
 	/* Save the current matrix mode. */
 	glGetIntegerv(GL_MATRIX_MODE, mode);

source/blender/blenkernel/CMakeLists.txt

@@ -38,6 +38,7 @@ set(INC
 	../nodes
 	../render/extern/include
 	../../../intern/guardedalloc
+	../../../intern/glew-mx
 	../../../intern/iksolver/extern
 	../../../intern/memutil
 	../../../intern/mikktspace
@@ -272,7 +273,7 @@ set(SRC
 	intern/pbvh_intern.h
 )
 
-add_definitions(-DGLEW_STATIC)
+add_definitions(${GL_DEFINITIONS})
 
 if(WITH_AUDASPACE)
 	list(APPEND INC

source/blender/blenkernel/intern/DerivedMesh.c

@@ -72,11 +72,10 @@ static DerivedMesh *navmesh_dm_createNavMeshForVisualization(DerivedMesh *dm);
 
 #include "BLI_sys_types.h" /* for intptr_t support */
 
-#include "GL/glew.h"
-
 #include "GPU_buffers.h"
 #include "GPU_draw.h"
 #include "GPU_extensions.h"
+#include "GPU_glew.h"
 #include "GPU_material.h"
 
 /* very slow! enable for testing only! */

source/blender/blenkernel/intern/cdderivedmesh.c

@@ -34,8 +34,6 @@
  *  \ingroup bke
  */
 
-#include "GL/glew.h"
-
 #include "BLI_math.h"
 #include "BLI_blenlib.h"
 #include "BLI_edgehash.h"
@@ -62,6 +60,7 @@
 #include "GPU_buffers.h"
 #include "GPU_draw.h"
 #include "GPU_extensions.h"
+#include "GPU_glew.h"
 #include "GPU_material.h"
 
 #include <string.h>

source/blender/blenkernel/intern/editderivedmesh.c

@@ -41,8 +41,6 @@
  * is likely to be a little slow.
  */
 
-#include "GL/glew.h"
-
 #include "BLI_math.h"
 #include "BLI_jitter.h"
 #include "BLI_bitmap.h"
@@ -58,6 +56,7 @@
 #include "MEM_guardedalloc.h"
 
 #include "GPU_extensions.h"
+#include "GPU_glew.h"
 
 extern GLubyte stipple_quarttone[128]; /* glutil.c, bad level data */
 

source/blender/blenkernel/intern/pbvh.c

@@ -1644,7 +1644,7 @@ void BKE_pbvh_raycast_project_ray_root (PBVH *bvh, bool original, float ray_star
 }
 
 
-//#include <GL/glew.h>
+//#include "GPU_glew.h"
 
 typedef struct {
 	DMSetMaterial setMaterial;

source/blender/blenkernel/intern/smoke.c

@@ -33,8 +33,6 @@
 
 /* Part of the code copied from elbeem fluid library, copyright by Nils Thuerey */
 
-#include <GL/glew.h>
-
 #include "MEM_guardedalloc.h"
 
 #include <float.h>
@@ -84,6 +82,8 @@
 
 #include "RE_shader_ext.h"
 
+#include "GPU_glew.h"
+
 /* UNUSED so far, may be enabled later */
 /* #define USE_SMOKE_COLLISION_DM */
 

source/blender/blenkernel/intern/subsurf_ccg.c

@@ -72,10 +72,9 @@
 #  include "BLI_array.h"
 #endif
 
-#include "GL/glew.h"
-
 #include "GPU_draw.h"
 #include "GPU_extensions.h"
+#include "GPU_glew.h"
 #include "GPU_material.h"
 
 #include "CCGSubSurf.h"

source/blender/blenlib/BLI_math_matrix.h

@@ -72,6 +72,16 @@ void mul_m4_m4m3(float R[4][4], float A[4][4], float B[3][3]);
 void mul_m4_m4m4(float R[4][4], float A[4][4], float B[4][4]);
 void mul_m3_m3m4(float R[3][3], float A[4][4], float B[3][3]);
 
+
+void mul_m4_m4m4_q(float m1[4][4], float m3[4][4], float m2[4][4]);
+void mul_m4_m3m4_q(float m1[4][4], float m3[4][4], float m2[3][3]);
+
+void mul_serie_m3(float R[3][3],
+                  float M1[3][3], float M2[3][3], float M3[3][3], float M4[3][3],
+                  float M5[3][3], float M6[3][3], float M7[3][3], float M8[3][3]);
+void mul_serie_m4(float R[4][4],
+                  float M1[4][4], float M2[4][4], float M3[4][4], float M4[4][4],
+                  float M5[4][4], float M6[4][4], float M7[4][4], float M8[4][4]);
 /* mul_m3_series */
 void _va_mul_m3_series_3(float R[3][3], float M1[3][3], float M2[3][3]) ATTR_NONNULL();
 void _va_mul_m3_series_4(float R[3][3], float M1[3][3], float M2[3][3], float M3[3][3]) ATTR_NONNULL();
@@ -105,6 +115,8 @@ void mul_v3_m4v3(float r[3], float M[4][4], const float v[3]);
 void mul_v2_m4v3(float r[2], float M[4][4], const float v[3]);
 void mul_v2_m2v2(float r[2], float M[2][2], const float v[2]);
 void mul_m2v2(float M[2][2], float v[2]);
+void mul_v4_m4v3(float r[4], float M[4][4], const float v[3]);
+void mul_v3_m4v3_q(float r[3], float M[4][4], const float v[3]);
 void mul_mat3_m4_v3(float M[4][4], float r[3]);
 void mul_m4_v4(float M[4][4], float r[4]);
 void mul_v4_m4v4(float r[4], float M[4][4], const float v[4]);
@@ -190,6 +202,8 @@ void invert_m4_m4_safe(float Ainv[4][4], float A[4][4]);
 void scale_m3_fl(float R[3][3], float scale);
 void scale_m4_fl(float R[4][4], float scale);
 
+void scale_m4(float m[][4], float x, float y, float z);
+
 float mat3_to_scale(float M[3][3]);
 float mat4_to_scale(float M[4][4]);
 
@@ -201,6 +215,7 @@ void mat4_to_size(float r[3], float M[4][4]);
 
 void translate_m4(float mat[4][4], float tx, float ty, float tz);
 void rotate_m4(float mat[4][4], const char axis, const float angle);
+void rotate_m4_right(float mat[4][4], const char axis);
 void rotate_m2(float mat[2][2], const float angle);
 void transform_pivot_set_m4(float mat[4][4], const float pivot[3]);
 
@@ -227,6 +242,13 @@ bool is_negative_m4(float mat[4][4]);
 bool is_zero_m3(float mat[3][3]);
 bool is_zero_m4(float mat[4][4]);
 
+/******************************** Projections ********************************/
+
+void mat4_ortho_set(float m[4][4], float left, float right, float bottom, float top, float nearVal, float farVal);
+void mat4_frustum_set(float m[4][4], float left, float right, float bottom, float top, float nearVal, float farVal);
+
+void mat4_look_from_origin(float m[4][4], float lookdir[3], float camup[3]);
+
 /* SpaceTransform helper */
 typedef struct SpaceTransform {
 	float local2target[4][4];
@@ -243,6 +265,7 @@ void BLI_space_transform_invert_normal(const struct SpaceTransform *data, float
 #define BLI_SPACE_TRANSFORM_SETUP(data, local, target) \
 	BLI_space_transform_from_matrices((data), (local)->obmat, (target)->obmat)
 
+
 /*********************************** Other ***********************************/
 
 void print_m3(const char *str, float M[3][3]);

source/blender/blenlib/BLI_math_vector.h

@@ -266,7 +266,7 @@ void project_v3_plane(float v[3], const float n[3], const float p[3]);
 void reflect_v3_v3v3(float r[3], const float v[3], const float n[3]);
 void ortho_basis_v3v3_v3(float r_n1[3], float r_n2[3], const float n[3]);
 void ortho_v3_v3(float p[3], const float v[3]);
-void ortho_v2_v2(float p[2], const float v[2]);
+void ortho_v2_v2(float p[3], const float v[3]);
 void bisect_v3_v3v3v3(float r[3], const float a[3], const float b[3], const float c[3]);
 void rotate_v3_v3v3fl(float v[3], const float p[3], const float axis[3], const float angle);
 void rotate_normalized_v3_v3v3fl(float v[3], const float p[3], const float axis[3], const float angle);

source/blender/blenlib/BLI_utildefines.h

@@ -297,15 +297,37 @@
 		(v1)[2] = FTOCHAR((v2[2]));                                           \
 		(v1)[3] = FTOCHAR((v2[3]));                                           \
 } (void)0
-#define VECCOPY(v1, v2) {                                                     \
-		*(v1) =   *(v2);                                                      \
-		*(v1 + 1) = *(v2 + 1);                                                \
-		*(v1 + 2) = *(v2 + 2);                                                \
+#define VEC2D(v1, x, y) {                                                     \
+		*((v1) + 0) = x;                                                      \
+		*((v1) + 1) = y;                                                      \
+} (void)0
+#define VEC3D(v1, x, y, z) {                                                  \
+		*((v1) + 0) = x;                                                      \
+		*((v1) + 1) = y;                                                      \
+		*((v1) + 2) = z;                                                      \
+} (void)0
+#define VEC4D(v1, x, y, z, w) {                                               \
+		*((v1) + 0) = x;                                                      \
+		*((v1) + 1) = y;                                                      \
+		*((v1) + 2) = z;                                                      \
+		*((v1) + 3) = w;                                                      \
 } (void)0
 #define VECCOPY2D(v1, v2) {                                                   \
 		*(v1) =   *(v2);                                                      \
 		*(v1 + 1) = *(v2 + 1);                                                \
 } (void)0
+#define VECCOPY3D(v1, v2) {                                                   \
+		*(v1) =   *(v2);                                                      \
+		*(v1 + 1) = *(v2 + 1);                                                \
+		*(v1 + 2) = *(v2 + 2);                                                \
+} (void)0
+#define VECCOPY(v1, v2) VECCOPY3D(v1, v2)
+#define VECCOPY4D(v1, v2) {                                                   \
+		*(v1 + 0) = *(v2 + 0);                                                \
+		*(v1 + 1) = *(v2 + 1);                                                \
+		*(v1 + 2) = *(v2 + 2);                                                \
+		*(v1 + 3) = *(v2 + 3);                                                \
+} (void)0
 #define VECADD(v1, v2, v3) {                                                  \
 		*(v1) =   *(v2)   + *(v3);                                            \
 		*(v1 + 1) = *(v2 + 1) + *(v3 + 1);                                    \

source/blender/blenlib/intern/math_matrix.c

@@ -186,26 +186,7 @@ void mul_m4_m4m4(float m1[4][4], float m3_[4][4], float m2_[4][4])
 	copy_m4_m4(m3, m3_);
 
 	/* matrix product: m1[j][k] = m2[j][i].m3[i][k] */
-	m1[0][0] = m2[0][0] * m3[0][0] + m2[0][1] * m3[1][0] + m2[0][2] * m3[2][0] + m2[0][3] * m3[3][0];
-	m1[0][1] = m2[0][0] * m3[0][1] + m2[0][1] * m3[1][1] + m2[0][2] * m3[2][1] + m2[0][3] * m3[3][1];
-	m1[0][2] = m2[0][0] * m3[0][2] + m2[0][1] * m3[1][2] + m2[0][2] * m3[2][2] + m2[0][3] * m3[3][2];
-	m1[0][3] = m2[0][0] * m3[0][3] + m2[0][1] * m3[1][3] + m2[0][2] * m3[2][3] + m2[0][3] * m3[3][3];
-
-	m1[1][0] = m2[1][0] * m3[0][0] + m2[1][1] * m3[1][0] + m2[1][2] * m3[2][0] + m2[1][3] * m3[3][0];
-	m1[1][1] = m2[1][0] * m3[0][1] + m2[1][1] * m3[1][1] + m2[1][2] * m3[2][1] + m2[1][3] * m3[3][1];
-	m1[1][2] = m2[1][0] * m3[0][2] + m2[1][1] * m3[1][2] + m2[1][2] * m3[2][2] + m2[1][3] * m3[3][2];
-	m1[1][3] = m2[1][0] * m3[0][3] + m2[1][1] * m3[1][3] + m2[1][2] * m3[2][3] + m2[1][3] * m3[3][3];
-
-	m1[2][0] = m2[2][0] * m3[0][0] + m2[2][1] * m3[1][0] + m2[2][2] * m3[2][0] + m2[2][3] * m3[3][0];
-	m1[2][1] = m2[2][0] * m3[0][1] + m2[2][1] * m3[1][1] + m2[2][2] * m3[2][1] + m2[2][3] * m3[3][1];
-	m1[2][2] = m2[2][0] * m3[0][2] + m2[2][1] * m3[1][2] + m2[2][2] * m3[2][2] + m2[2][3] * m3[3][2];
-	m1[2][3] = m2[2][0] * m3[0][3] + m2[2][1] * m3[1][3] + m2[2][2] * m3[2][3] + m2[2][3] * m3[3][3];
-
-	m1[3][0] = m2[3][0] * m3[0][0] + m2[3][1] * m3[1][0] + m2[3][2] * m3[2][0] + m2[3][3] * m3[3][0];
-	m1[3][1] = m2[3][0] * m3[0][1] + m2[3][1] * m3[1][1] + m2[3][2] * m3[2][1] + m2[3][3] * m3[3][1];
-	m1[3][2] = m2[3][0] * m3[0][2] + m2[3][1] * m3[1][2] + m2[3][2] * m3[2][2] + m2[3][3] * m3[3][2];
-	m1[3][3] = m2[3][0] * m3[0][3] + m2[3][1] * m3[1][3] + m2[3][2] * m3[2][3] + m2[3][3] * m3[3][3];
-
+	mul_m4_m4m4_q(m1, m3, m2);
 }
 
 void mul_m3_m3m3(float m1[3][3], float m3_[3][3], float m2_[3][3])
@@ -291,6 +272,88 @@ void mul_m4_m3m4(float m1[4][4], float m3_[3][3], float m2_[4][4])
 	m1[2][2] = m2[2][0] * m3[0][2] + m2[2][1] * m3[1][2] + m2[2][2] * m3[2][2];
 }
 
+void mul_m4_m4m4_q(float m1[4][4], float m3[4][4], float m2[4][4])
+{
+	/* matrix product: m1[j][k] = m2[j][i].m3[i][k] */
+	m1[0][0] = m2[0][0] * m3[0][0] + m2[0][1] * m3[1][0] + m2[0][2] * m3[2][0] + m2[0][3] * m3[3][0];
+	m1[0][1] = m2[0][0] * m3[0][1] + m2[0][1] * m3[1][1] + m2[0][2] * m3[2][1] + m2[0][3] * m3[3][1];
+	m1[0][2] = m2[0][0] * m3[0][2] + m2[0][1] * m3[1][2] + m2[0][2] * m3[2][2] + m2[0][3] * m3[3][2];
+	m1[0][3] = m2[0][0] * m3[0][3] + m2[0][1] * m3[1][3] + m2[0][2] * m3[2][3] + m2[0][3] * m3[3][3];
+
+	m1[1][0] = m2[1][0] * m3[0][0] + m2[1][1] * m3[1][0] + m2[1][2] * m3[2][0] + m2[1][3] * m3[3][0];
+	m1[1][1] = m2[1][0] * m3[0][1] + m2[1][1] * m3[1][1] + m2[1][2] * m3[2][1] + m2[1][3] * m3[3][1];
+	m1[1][2] = m2[1][0] * m3[0][2] + m2[1][1] * m3[1][2] + m2[1][2] * m3[2][2] + m2[1][3] * m3[3][2];
+	m1[1][3] = m2[1][0] * m3[0][3] + m2[1][1] * m3[1][3] + m2[1][2] * m3[2][3] + m2[1][3] * m3[3][3];
+
+	m1[2][0] = m2[2][0] * m3[0][0] + m2[2][1] * m3[1][0] + m2[2][2] * m3[2][0] + m2[2][3] * m3[3][0];
+	m1[2][1] = m2[2][0] * m3[0][1] + m2[2][1] * m3[1][1] + m2[2][2] * m3[2][1] + m2[2][3] * m3[3][1];
+	m1[2][2] = m2[2][0] * m3[0][2] + m2[2][1] * m3[1][2] + m2[2][2] * m3[2][2] + m2[2][3] * m3[3][2];
+	m1[2][3] = m2[2][0] * m3[0][3] + m2[2][1] * m3[1][3] + m2[2][2] * m3[2][3] + m2[2][3] * m3[3][3];
+
+	m1[3][0] = m2[3][0] * m3[0][0] + m2[3][1] * m3[1][0] + m2[3][2] * m3[2][0] + m2[3][3] * m3[3][0];
+	m1[3][1] = m2[3][0] * m3[0][1] + m2[3][1] * m3[1][1] + m2[3][2] * m3[2][1] + m2[3][3] * m3[3][1];
+	m1[3][2] = m2[3][0] * m3[0][2] + m2[3][1] * m3[1][2] + m2[3][2] * m3[2][2] + m2[3][3] * m3[3][2];
+	m1[3][3] = m2[3][0] * m3[0][3] + m2[3][1] * m3[1][3] + m2[3][2] * m3[2][3] + m2[3][3] * m3[3][3];
+}
+
+void mul_m4_m3m4_q(float m1[4][4], float m3[4][4], float m2[3][3])
+{
+	/* matrix product: m1[j][k] = m2[j][i].m3[i][k] */
+	m1[0][0] = m2[0][0] * m3[0][0] + m2[0][1] * m3[1][0] + m2[0][2] * m3[2][0];
+	m1[0][1] = m2[0][0] * m3[0][1] + m2[0][1] * m3[1][1] + m2[0][2] * m3[2][1];
+	m1[0][2] = m2[0][0] * m3[0][2] + m2[0][1] * m3[1][2] + m2[0][2] * m3[2][2];
+	m1[0][3] = m2[0][0] * m3[0][3] + m2[0][1] * m3[1][3] + m2[0][2] * m3[2][3];
+
+	m1[1][0] = m2[1][0] * m3[0][0] + m2[1][1] * m3[1][0] + m2[1][2] * m3[2][0];
+	m1[1][1] = m2[1][0] * m3[0][1] + m2[1][1] * m3[1][1] + m2[1][2] * m3[2][1];
+	m1[1][2] = m2[1][0] * m3[0][2] + m2[1][1] * m3[1][2] + m2[1][2] * m3[2][2];
+	m1[1][3] = m2[1][0] * m3[0][3] + m2[1][1] * m3[1][3] + m2[1][2] * m3[2][3];
+
+	m1[2][0] = m2[2][0] * m3[0][0] + m2[2][1] * m3[1][0] + m2[2][2] * m3[2][0];
+	m1[2][1] = m2[2][0] * m3[0][1] + m2[2][1] * m3[1][1] + m2[2][2] * m3[2][1];
+	m1[2][2] = m2[2][0] * m3[0][2] + m2[2][1] * m3[1][2] + m2[2][2] * m3[2][2];
+	m1[2][3] = m2[2][0] * m3[0][3] + m2[2][1] * m3[1][3] + m2[2][2] * m3[2][3];
+
+	m1[3][0] = m3[3][0];
+	m1[3][1] = m3[3][1];
+	m1[3][2] = m3[3][2];
+	m1[3][3] = m3[3][3];
+}
+
+
+
+void mul_serie_m3(float answ[3][3],
+                  float m1[3][3], float m2[3][3], float m3[3][3],
+                  float m4[3][3], float m5[3][3], float m6[3][3],
+                  float m7[3][3], float m8[3][3])
+{
+	float temp[3][3];
+
+	if (m1 == NULL || m2 == NULL) return;
+
+	mul_m3_m3m3(answ, m2, m1);
+	if (m3) {
+		mul_m3_m3m3(temp, m3, answ);
+		if (m4) {
+			mul_m3_m3m3(answ, m4, temp);
+			if (m5) {
+				mul_m3_m3m3(temp, m5, answ);
+				if (m6) {
+					mul_m3_m3m3(answ, m6, temp);
+					if (m7) {
+						mul_m3_m3m3(temp, m7, answ);
+						if (m8) {
+							mul_m3_m3m3(answ, m8, temp);
+						}
+						else copy_m3_m3(answ, temp);
+					}
+				}
+				else copy_m3_m3(answ, temp);
+			}
+		}
+		else copy_m3_m3(answ, temp);
+	}
+}
 
 /** \name Macro helpers for: mul_m3_series
  * \{ */
@@ -493,6 +556,22 @@ void mul_m2v2(float mat[2][2], float vec[2])
 	mul_v2_m2v2(vec, mat, vec);
 }
 
+void mul_v4_m4v3(float out[4], float mat[][4], const float vec[3])
+{
+	out[0] = vec[0] * mat[0][0] + vec[1] * mat[1][0] + mat[2][0] * vec[2] + mat[3][0];
+	out[1] = vec[0] * mat[0][1] + vec[1] * mat[1][1] + mat[2][1] * vec[2] + mat[3][1];
+	out[2] = vec[0] * mat[0][2] + vec[1] * mat[1][2] + mat[2][2] * vec[2] + mat[3][2];
+	out[3] = vec[0] * mat[0][3] + vec[1] * mat[1][3] + mat[2][3] * vec[2] + mat[3][3];
+}
+
+void mul_v3_m4v3_q(float out[3], float mat[][4], const float vec[3])
+{
+	out[0] = vec[0] * mat[0][0] + vec[1] * mat[1][0] + mat[2][0] * vec[2] + mat[3][0];
+	out[1] = vec[0] * mat[0][1] + vec[1] * mat[1][1] + mat[2][1] * vec[2] + mat[3][1];
+	out[2] = vec[0] * mat[0][2] + vec[1] * mat[1][2] + mat[2][2] * vec[2] + mat[3][2];
+
+}
+
 /* same as mul_m4_v3() but doesnt apply translation component */
 void mul_mat3_m4_v3(float mat[4][4], float vec[3])
 {
@@ -1478,11 +1557,19 @@ void scale_m4_fl(float m[4][4], float scale)
 	m[3][0] = m[3][1] = m[3][2] = 0.0;
 }
 
+void scale_m4(float m[][4], float x, float y, float z)
+{
+	m[0][0]*=x; m[0][1]*=x; m[0][2]*=x; m[0][3]*=x;
+	m[1][0]*=y; m[1][1]*=y; m[1][2]*=y; m[1][3]*=y;
+	m[2][0]*=z; m[2][1]*=z; m[2][2]*=z; m[2][3]*=z;
+}
+
 void translate_m4(float mat[4][4], float Tx, float Ty, float Tz)
 {
 	mat[3][0] += (Tx * mat[0][0] + Ty * mat[1][0] + Tz * mat[2][0]);
 	mat[3][1] += (Tx * mat[0][1] + Ty * mat[1][1] + Tz * mat[2][1]);
 	mat[3][2] += (Tx * mat[0][2] + Ty * mat[1][2] + Tz * mat[2][2]);
+	mat[3][3] += (Tx * mat[0][3] + Ty * mat[1][3] + Tz * mat[2][3]);
 }
 
 void rotate_m4(float mat[4][4], const char axis, const float angle)
@@ -1554,6 +1641,60 @@ void transform_pivot_set_m4(float mat[4][4], const float pivot[3])
 	mul_m4_m4m4(mat, mat, tmat);
 }
 
+void rotate_m4_right(float mat[][4], const char axis)
+{
+#define COORD(x,y) (4*x + y)
+	const static char mrotx[]  = {1, 2};
+	const static char mrotxn[] = {2, 1};
+
+	const static char mroty[]  = {2, 0};
+	const static char mrotyn[] = {0, 2};
+
+	const static char mrotz[]  = {0, 1};
+	const static char mrotzn[] = {1, 0};
+
+#undef COORD
+
+	const char * rotmat;
+	float tmpf;
+	int i;
+
+
+	switch(axis)
+	{
+		case 'X':
+			rotmat = mrotx;
+			break;
+		case (char)-'X':
+			rotmat = mrotxn;
+			break;
+		case 'Y':
+			rotmat = mroty;
+			break;
+		case (char)-'Y':
+			rotmat = mrotyn;
+			break;
+		case 'Z':
+			rotmat = mrotz;
+			break;
+		case (char)-'Z':
+			rotmat = mrotzn;
+			break;
+		default:
+			BLI_assert(0);
+
+	}
+
+	for(i=0; i<3; i++)
+	{
+		tmpf = mat[rotmat[1]][i];
+		mat[rotmat[1]][i] = -1.0f*mat[rotmat[0]][i];
+		mat[rotmat[0]][i] = tmpf;
+
+	}
+
+}
+
 void blend_m3_m3m3(float out[3][3], float dst[3][3], float src[3][3], const float srcweight)
 {
 	float srot[3][3], drot[3][3];
@@ -2194,6 +2335,41 @@ void pseudoinverse_m4_m4(float Ainv[4][4], float A[4][4], float epsilon)
 	mul_m4_series(Ainv, U, Wm, V);
 }
 
+void mat4_ortho_set(float m[][4], float left, float right, float bottom, float top, float nearVal, float farVal)
+{
+    m[0][0] = 2/(right-left); m[1][0] = 0;              m[2][0] =  0;                  m[3][0] = -(right+left)/(right-left);
+    m[0][1] = 0;              m[1][1] = 2/(top-bottom); m[2][1] =  0;                  m[3][1] = -(top+bottom)/(top-bottom);
+    m[0][2] = 0;              m[1][2] = 0;              m[2][2] = -2/(farVal-nearVal); m[3][2] = -(farVal+nearVal)/(farVal-nearVal);
+    m[0][3] = 0;              m[1][3] = 0;              m[2][3] =  0;                  m[3][3] =  1;
+}
+
+void mat4_frustum_set(float m[][4], float left, float right, float bottom, float top, float nearVal, float farVal)
+{
+	m[0][0] = 2*nearVal/(right-left);  m[1][0] = 0;                      m[2][0] =  (right+left)/(right-left);         m[3][0] =  0;
+	m[0][1] = 0;                       m[1][1] = 2*nearVal/(top-bottom); m[2][1] =  (top+bottom)/(top-bottom);         m[3][1] =  0;
+	m[0][2] = 0;                       m[1][2] = 0;                      m[2][2] = -(farVal+nearVal)/(farVal-nearVal); m[3][2] = -2*farVal*nearVal/(farVal-nearVal);
+	m[0][3] = 0;                       m[1][3] = 0;                      m[2][3] = -1;                                 m[3][3] =  0;
+}
+
+/* Loosly based on Mesa implementation of gluLookAt */
+void mat4_look_from_origin(float m[4][4], float lookdir[3], float camup[3])
+{
+	float side[3];
+
+	normalize_v3(lookdir);
+
+	cross_v3_v3v3(side, lookdir, camup);
+
+	normalize_v3(side);
+
+	cross_v3_v3v3(camup, side, lookdir);
+
+	m[0][0] =  side   [0]; m[1][0] =  side   [1]; m[2][0] =  side   [2]; m[3][0] = 0;
+	m[0][1] =  camup  [0]; m[1][1] =  camup  [1]; m[2][1] =  camup  [2]; m[3][1] = 0;
+	m[0][2] = -lookdir[0]; m[1][2] = -lookdir[1]; m[2][2] = -lookdir[2]; m[3][2] = 0;
+	m[0][3] =  0;          m[1][3] =  0;          m[2][3] =  0;          m[3][3] = 1;
+}
+
 void pseudoinverse_m3_m3(float Ainv[3][3], float A[3][3], float epsilon)
 {
 	/* try regular inverse when possible, otherwise fall back to slow svd */

source/blender/blenlib/intern/math_vector.c

@@ -669,7 +669,7 @@ void ortho_v3_v3(float p[3], const float v[3])
 /**
  * no brainer compared to v3, just have for consistency.
  */
-void ortho_v2_v2(float p[2], const float v[2])
+void ortho_v2_v2(float p[3], const float v[3])
 {
 	BLI_assert(p != v);
 

source/blender/blenlib/intern/math_vector_inline.c

@@ -97,6 +97,19 @@ MINLINE void copy_v4_fl(float r[4], float f)
 	r[3] = f;
 }
 
+MINLINE void copy_v2_flfl(float r[2], float f0, float f1)
+{
+	r[0] = f0;
+	r[1] = f1;
+}
+
+MINLINE void copy_v3_flflfl(float r[3], float f0, float f1, float f2)
+{
+	r[0] = f0;
+	r[1] = f1;
+	r[2] = f2;
+}
+
 /* short */
 MINLINE void copy_v2_v2_char(char r[2], const char a[2])
 {

source/blender/editors/animation/CMakeLists.txt

@@ -23,10 +23,12 @@ set(INC
 	../../blenfont
 	../../blenkernel
 	../../blenlib
+	../../gpu
 	../../makesdna
 	../../makesrna
 	../../windowmanager
 	../../../../intern/guardedalloc
+	../../../../intern/glew-mx
 )
 
 set(INC_SYS
@@ -57,4 +59,6 @@ if(WITH_INTERNATIONAL)
 	add_definitions(-DWITH_INTERNATIONAL)
 endif()
 
+add_definitions(${GL_DEFINITIONS})
+
 blender_add_lib(bf_editor_animation "${SRC}" "${INC}" "${INC_SYS}")

source/blender/editors/animation/anim_channels_defines.c

@@ -3382,7 +3382,6 @@ void ANIM_channel_draw(bAnimContext *ac, bAnimListElem *ale, float yminc, float
 		selected = 0;
 		
 	/* set blending again, as may not be set in previous step */
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	glEnable(GL_BLEND);
 	
 	/* step 1) draw backdrop ...........................................  */

source/blender/editors/animation/anim_draw.c

@@ -140,7 +140,6 @@ void ANIM_draw_previewrange(const bContext *C, View2D *v2d, int end_frame_width)
 	
 	/* only draw this if preview range is set */
 	if (PRVRANGEON) {
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 		glEnable(GL_BLEND);
 		glColor4f(0.0f, 0.0f, 0.0f, 0.4f);
 		

source/blender/editors/animation/anim_markers.c

@@ -330,7 +330,6 @@ static void draw_marker(View2D *v2d, TimeMarker *marker, int cfra, int flag)
 	glScalef(1.0f / xscale, 1.0f, 1.0f);
 	
 	glEnable(GL_BLEND);
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	
 	/* vertical line - dotted */
 #ifdef DURIAN_CAMERA_SWITCH

source/blender/editors/armature/CMakeLists.txt

@@ -28,6 +28,7 @@ set(INC
 	../../windowmanager
 	../../gpu
 	../../../../intern/guardedalloc
+	../../../../intern/glew-mx
 )
 
 set(INC_SYS
@@ -74,4 +75,6 @@ if(WITH_OPENNL)
 	)
 endif()
 
+add_definitions(${GL_DEFINITIONS})
+
 blender_add_lib(bf_editor_armature "${SRC}" "${INC}" "${INC_SYS}")

source/blender/editors/armature/editarmature_sketch.c

@@ -2069,7 +2069,6 @@ static void sk_drawSketch(Scene *scene, View3D *UNUSED(v3d), SK_Sketch *sketch,
 				glPushMatrix();
 
 				glEnable(GL_BLEND);
-				glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
 				switch (sketch->next_point.mode) {
 					case PT_SNAP:

source/blender/editors/gpencil/CMakeLists.txt

@@ -24,10 +24,12 @@ set(INC
 	../../blenkernel
 	../../blenlib
 	../../imbuf
+	../../gpu
 	../../makesdna
 	../../makesrna
 	../../windowmanager
 	../../../../intern/guardedalloc
+	../../../../intern/glew-mx
 )
 
 set(INC_SYS
@@ -50,4 +52,6 @@ if(WITH_INTERNATIONAL)
 	add_definitions(-DWITH_INTERNATIONAL)
 endif()
 
+add_definitions(${GL_DEFINITIONS})
+
 blender_add_lib(bf_editor_gpencil "${SRC}" "${INC}" "${INC_SYS}")

source/blender/editors/gpencil/drawgpencil.c

@@ -556,7 +556,6 @@ static void gp_draw_data(bGPdata *gpd, int offsx, int offsy, int winx, int winy,
 	glEnable(GL_LINE_SMOOTH);
 	
 	/* turn on alpha-blending */
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	glEnable(GL_BLEND);
 		
 	/* loop over layers, drawing them */

source/blender/editors/include/BIF_gl.h

@@ -33,7 +33,7 @@
 #ifndef __BIF_GL_H__
 #define __BIF_GL_H__
 
-#include "GL/glew.h"
+#include "GPU_glew.h"
 
 #ifdef __APPLE__
 

source/blender/editors/interface/CMakeLists.txt

@@ -30,6 +30,7 @@ set(INC
 	../../python
 	../../windowmanager
 	../../../../intern/guardedalloc
+	../../../../intern/glew-mx
 )
 
 set(INC_SYS
@@ -70,4 +71,6 @@ if(WITH_PYTHON)
 	add_definitions(-DWITH_PYTHON)
 endif()
 
+add_definitions(${GL_DEFINITIONS})
+
 blender_add_lib(bf_editor_interface "${SRC}" "${INC}" "${INC_SYS}")

source/blender/editors/interface/interface.c

@@ -1329,9 +1329,6 @@ void uiDrawBlock(const bContext *C, uiBlock *block)
 	if (multisample_enabled)
 		glDisable(GL_MULTISAMPLE_ARB);
 
-	/* we set this only once */
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-	
 	/* scale fonts */
 	ui_fontscale(&style.paneltitle.points, block->aspect);
 	ui_fontscale(&style.grouplabel.points, block->aspect);

source/blender/editors/interface/interface_draw.c

@@ -446,8 +446,6 @@ static void draw_scope_end(const rctf *rect, GLint *scissor)
 	/* restore scissortest */
 	glScissor(scissor[0], scissor[1], scissor[2], scissor[3]);
 
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-
 	/* outline */
 	glColor4f(0.f, 0.f, 0.f, 0.5f);
 	uiSetRoundBox(UI_CNR_ALL);
@@ -460,14 +458,13 @@ static void histogram_draw_one(float r, float g, float b, float alpha,
 	int i;
 	
 	if (is_line) {
+		glBlendFunc(GL_SRC_ALPHA, GL_ONE);
 
 		glLineWidth(1.5);
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE);
 		glColor4f(r, g, b, alpha);
 
 		/* curve outline */
 
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE);
 		glEnable(GL_LINE_SMOOTH);
 		glBegin(GL_LINE_STRIP);
 		for (i = 0; i < res; i++) {
@@ -477,14 +474,19 @@ static void histogram_draw_one(float r, float g, float b, float alpha,
 		glEnd();
 		glDisable(GL_LINE_SMOOTH);
 
+		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
 		glLineWidth(1.0);
 	}
 	else {
 		/* under the curve */
+
 		glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+
 		glColor4f(r, g, b, alpha);
 
 		glShadeModel(GL_FLAT);
+
 		glBegin(GL_QUAD_STRIP);
 		glVertex2f(x, y);
 		glVertex2f(x, y + (data[0] * h));
@@ -496,9 +498,11 @@ static void histogram_draw_one(float r, float g, float b, float alpha,
 		glEnd();
 
 		/* curve outline */
+
 		glColor4f(0.f, 0.f, 0.f, 0.25f);
 
 		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
 		glEnable(GL_LINE_SMOOTH);
 		glBegin(GL_LINE_STRIP);
 		for (i = 0; i < res; i++) {
@@ -532,7 +536,6 @@ void ui_draw_but_HISTOGRAM(ARegion *ar, uiBut *but, uiWidgetColors *UNUSED(wcol)
 	h = BLI_rctf_size_y(&rect) * hist->ymax;
 	
 	glEnable(GL_BLEND);
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	
 	glColor4f(0.f, 0.f, 0.f, 0.3f);
 	uiSetRoundBox(UI_CNR_ALL);
@@ -619,8 +622,7 @@ void ui_draw_but_WAVEFORM(ARegion *ar, uiBut *but, uiWidgetColors *UNUSED(wcol),
 	}
 
 	glEnable(GL_BLEND);
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-	
+
 	glColor4f(0.f, 0.f, 0.f, 0.3f);
 	uiSetRoundBox(UI_CNR_ALL);
 	uiDrawBox(GL_POLYGON, rect.xmin - 1, rect.ymin - 1, rect.xmax + 1, rect.ymax + 1, 3.0f);
@@ -642,7 +644,6 @@ void ui_draw_but_WAVEFORM(ARegion *ar, uiBut *but, uiWidgetColors *UNUSED(wcol),
 		BLF_draw_default(rect.xmin + 1, yofs - 5 + (i / 5.f) * h, 0, str, sizeof(str) - 1);
 		/* in the loop because blf_draw reset it */
 		glEnable(GL_BLEND);
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	}
 	/* 3 vertical separation */
 	if (scopes->wavefrm_mode != SCOPES_WAVEFRM_LUMA) {
@@ -665,15 +666,14 @@ void ui_draw_but_WAVEFORM(ARegion *ar, uiBut *but, uiWidgetColors *UNUSED(wcol),
 	if (scopes->wavefrm_mode == SCOPES_WAVEFRM_LUMA)
 		fdrawline(rect.xmin, yofs + h * 0.075f, rect.xmax + 1, yofs + h * 0.075f);
 
+	glBlendFunc(GL_ONE, GL_ONE);
+
 	if (scopes->ok && scopes->waveform_1 != NULL) {
 		
 		/* LUMA (1 channel) */
-		glBlendFunc(GL_ONE, GL_ONE);
 		glColor3f(alpha, alpha, alpha);
 		if (scopes->wavefrm_mode == SCOPES_WAVEFRM_LUMA) {
 
-			glBlendFunc(GL_ONE, GL_ONE);
-			
 			glPushMatrix();
 			glEnableClientState(GL_VERTEX_ARRAY);
 			
@@ -702,9 +702,7 @@ void ui_draw_but_WAVEFORM(ARegion *ar, uiBut *but, uiWidgetColors *UNUSED(wcol),
 		              SCOPES_WAVEFRM_YCC_JPEG))
 		{
 			int rgb = (scopes->wavefrm_mode == SCOPES_WAVEFRM_RGB);
-			
-			glBlendFunc(GL_ONE, GL_ONE);
-			
+
 			glPushMatrix();
 			glEnableClientState(GL_VERTEX_ARRAY);
 			
@@ -743,7 +741,9 @@ void ui_draw_but_WAVEFORM(ARegion *ar, uiBut *but, uiWidgetColors *UNUSED(wcol),
 			}
 		}
 	}
-	
+
+	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
 	/* outline */
 	draw_scope_end(&rect, scissor);
 }
@@ -838,7 +838,6 @@ void ui_draw_but_VECTORSCOPE(ARegion *ar, uiBut *but, uiWidgetColors *UNUSED(wco
 	alpha = scopes->vecscope_alpha * scopes->vecscope_alpha * scopes->vecscope_alpha;
 
 	glEnable(GL_BLEND);
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	
 	glColor4f(0.f, 0.f, 0.f, 0.3f);
 	uiSetRoundBox(UI_CNR_ALL);
@@ -890,6 +889,8 @@ void ui_draw_but_VECTORSCOPE(ARegion *ar, uiBut *but, uiWidgetColors *UNUSED(wco
 		
 		glDisableClientState(GL_VERTEX_ARRAY);
 		glPopMatrix();
+
+		glBlendFunc(GL_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	}
 
 	/* outline */
@@ -1336,7 +1337,6 @@ void ui_draw_but_CURVE(ARegion *ar, uiBut *but, uiWidgetColors *wcol, const rcti
 
 		/* grid, hsv uses different grid */
 		glEnable(GL_BLEND);
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 		glColor4ub(0, 0, 0, 48);
 		ui_draw_but_curve_grid(rect, zoomx, zoomy, offsx, offsy, 0.1666666f);
 		glDisable(GL_BLEND);
@@ -1500,7 +1500,6 @@ void ui_draw_but_TRACKPREVIEW(ARegion *ar, uiBut *but, uiWidgetColors *UNUSED(wc
 	height = BLI_rctf_size_y(&rect);
 
 	glEnable(GL_BLEND);
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
 	/* need scissor test, preview image can draw outside of boundary */
 	glGetIntegerv(GL_VIEWPORT, scissor);

source/blender/editors/interface/interface_icons.c

@@ -1129,9 +1129,7 @@ static void icon_draw_size(float x, float y, int icon_id, float aspect, float al
 #endif
 		if (!iimg->rect) return;  /* something has gone wrong! */
 
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 		icon_draw_rect(x, y, w, h, aspect, iimg->w, iimg->h, iimg->rect, alpha, rgb, is_preview);
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	}
 	else if (di->type == ICON_TYPE_PREVIEW) {
 		PreviewImage *pi = BKE_previewimg_get((ID *)icon->obj);

source/blender/editors/interface/interface_widgets.c

@@ -668,9 +668,6 @@ static void widgetbase_draw(uiWidgetBase *wtb, uiWidgetColors *wcol)
 
 				glDisable(GL_POLYGON_STIPPLE);
 
-				/* alpha fill */
-				glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-
 				glColor4ubv((unsigned char *)wcol->inner);
 
 				for (a = 0; a < wtb->totvert; a++) {

source/blender/editors/mask/CMakeLists.txt

@@ -25,10 +25,12 @@ set(INC
 	../include
 	../../blenkernel
 	../../blenlib
+	../../gpu
 	../../makesdna
 	../../makesrna
 	../../windowmanager
 	../../../../intern/guardedalloc
+	../../../../intern/glew-mx
 )
 
 set(INC_SYS
@@ -48,4 +50,6 @@ set(SRC
 	mask_intern.h
 )
 
+add_definitions(${GL_DEFINITIONS})
+
 blender_add_lib(bf_editor_mask "${SRC}" "${INC}" "${INC_SYS}")

source/blender/editors/mask/mask_draw.c

@@ -309,7 +309,6 @@ static void draw_spline_points(const bContext *C, MaskLayer *masklay, MaskSpline
 	if (is_smooth) {
 		glEnable(GL_LINE_SMOOTH);
 		glEnable(GL_BLEND);
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	}
 
 	/* control points */
@@ -498,7 +497,6 @@ static void mask_draw_curve_type(const bContext *C, MaskSpline *spline, float (*
 
 			if (is_smooth == false && is_feather) {
 				glEnable(GL_BLEND);
-				glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 			}
 
 			mask_color_active_tint(rgb_tmp, rgb_tmp, is_active);
@@ -549,7 +547,6 @@ static void draw_spline_curve(const bContext *C, MaskLayer *masklay, MaskSpline
 	if (is_smooth) {
 		glEnable(GL_LINE_SMOOTH);
 		glEnable(GL_BLEND);
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	}
 
 	feather_points = BKE_mask_spline_feather_differentiated_points_with_resolution(spline, &tot_feather_point, resol, (is_fill != false));
@@ -826,6 +823,7 @@ void ED_mask_draw_region(Mask *mask, ARegion *ar,
 		glPopMatrix();
 
 		if (overlay_mode != MASK_OVERLAY_ALPHACHANNEL) {
+			glBlendFunc(GL_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 			glDisable(GL_BLEND);
 		}
 

source/blender/editors/mesh/CMakeLists.txt

@@ -32,6 +32,7 @@ set(INC
 	../../render/extern/include
 	../../windowmanager
 	../../../../intern/guardedalloc
+	../../../../intern/glew-mx
 )
 
 set(INC_SYS
@@ -86,4 +87,6 @@ if(WITH_BULLET)
 	add_definitions(-DWITH_BULLET)
 endif()
 
+add_definitions(${GL_DEFINITIONS})
+
 blender_add_lib(bf_editor_mesh "${SRC}" "${INC}" "${INC_SYS}")

source/blender/editors/mesh/editmesh_knife.c

@@ -992,7 +992,6 @@ static void knifetool_draw(const bContext *C, ARegion *UNUSED(ar), void *arg)
 		int i;
 
 		glEnable(GL_BLEND);
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
 		/* draw any snapped verts first */
 		glColor4ubv(kcd->colors.point_a);

source/blender/editors/object/CMakeLists.txt

@@ -33,10 +33,11 @@ set(INC
 	../../render/extern/include
 	../../windowmanager
 	../../../../intern/guardedalloc
+	../../../../intern/glew-mx
 )
 
 set(INC_SYS
-
+	${GLEW_INCLUDE_PATH}
 )
 
 set(SRC
@@ -62,6 +63,8 @@ set(SRC
 	object_intern.h
 )
 
+add_definitions(${GL_DEFINITIONS})
+
 if(WITH_PYTHON)
 	add_definitions(-DWITH_PYTHON)
 endif()