| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| |
| #include "gl/GrGLInterface.h" |
| #include "gl/GrGLExtensions.h" |
| #include "gl/GrGLUtil.h" |
| |
| #include <stdio.h> |
| |
| #if GR_GL_PER_GL_FUNC_CALLBACK |
| namespace { |
| void GrGLDefaultInterfaceCallback(const GrGLInterface*) {} |
| } |
| #endif |
| |
| const GrGLInterface* GrGLInterfaceAddTestDebugMarker(const GrGLInterface* interface, |
| GrGLInsertEventMarkerProc insertEventMarkerFn, |
| GrGLPushGroupMarkerProc pushGroupMarkerFn, |
| GrGLPopGroupMarkerProc popGroupMarkerFn) { |
| GrGLInterface* newInterface = GrGLInterface::NewClone(interface); |
| |
| if (!newInterface->fExtensions.has("GL_EXT_debug_marker")) { |
| newInterface->fExtensions.add("GL_EXT_debug_marker"); |
| } |
| |
| newInterface->fInsertEventMarker = insertEventMarkerFn; |
| newInterface->fPushGroupMarker = pushGroupMarkerFn; |
| newInterface->fPopGroupMarker = popGroupMarkerFn; |
| |
| return newInterface; |
| } |
| |
| const GrGLInterface* GrGLInterfaceRemoveNVPR(const GrGLInterface* interface) { |
| GrGLInterface* newInterface = GrGLInterface::NewClone(interface); |
| |
| newInterface->fExtensions.remove("GL_NV_path_rendering"); |
| |
| newInterface->fPathCommands = NULL; |
| newInterface->fPathCoords = NULL; |
| newInterface->fPathSubCommands = NULL; |
| newInterface->fPathSubCoords = NULL; |
| newInterface->fPathString = NULL; |
| newInterface->fPathGlyphs = NULL; |
| newInterface->fPathGlyphRange = NULL; |
| newInterface->fWeightPaths = NULL; |
| newInterface->fCopyPath = NULL; |
| newInterface->fInterpolatePaths = NULL; |
| newInterface->fTransformPath = NULL; |
| newInterface->fPathParameteriv = NULL; |
| newInterface->fPathParameteri = NULL; |
| newInterface->fPathParameterfv = NULL; |
| newInterface->fPathParameterf = NULL; |
| newInterface->fPathDashArray = NULL; |
| newInterface->fGenPaths = NULL; |
| newInterface->fDeletePaths = NULL; |
| newInterface->fIsPath = NULL; |
| newInterface->fPathStencilFunc = NULL; |
| newInterface->fPathStencilDepthOffset = NULL; |
| newInterface->fStencilFillPath = NULL; |
| newInterface->fStencilStrokePath = NULL; |
| newInterface->fStencilFillPathInstanced = NULL; |
| newInterface->fStencilStrokePathInstanced = NULL; |
| newInterface->fPathCoverDepthFunc = NULL; |
| newInterface->fPathColorGen = NULL; |
| newInterface->fPathTexGen = NULL; |
| newInterface->fPathFogGen = NULL; |
| newInterface->fCoverFillPath = NULL; |
| newInterface->fCoverStrokePath = NULL; |
| newInterface->fCoverFillPathInstanced = NULL; |
| newInterface->fCoverStrokePathInstanced = NULL; |
| newInterface->fGetPathParameteriv = NULL; |
| newInterface->fGetPathParameterfv = NULL; |
| newInterface->fGetPathCommands = NULL; |
| newInterface->fGetPathCoords = NULL; |
| newInterface->fGetPathDashArray = NULL; |
| newInterface->fGetPathMetrics = NULL; |
| newInterface->fGetPathMetricRange = NULL; |
| newInterface->fGetPathSpacing = NULL; |
| newInterface->fGetPathColorGeniv = NULL; |
| newInterface->fGetPathColorGenfv = NULL; |
| newInterface->fGetPathTexGeniv = NULL; |
| newInterface->fGetPathTexGenfv = NULL; |
| newInterface->fIsPointInFillPath = NULL; |
| newInterface->fIsPointInStrokePath = NULL; |
| newInterface->fGetPathLength = NULL; |
| newInterface->fPointAlongPath = NULL; |
| |
| return newInterface; |
| } |
| |
| GrGLInterface::GrGLInterface() |
| // TODO: Remove this madness ASAP. |
| : fActiveTexture(&fFunctions.fActiveTexture) |
| , fAttachShader(&fFunctions.fAttachShader) |
| , fBeginQuery(&fFunctions.fBeginQuery) |
| , fBindAttribLocation(&fFunctions.fBindAttribLocation) |
| , fBindBuffer(&fFunctions.fBindBuffer) |
| , fBindFragDataLocation(&fFunctions.fBindFragDataLocation) |
| , fBindFragDataLocationIndexed(&fFunctions.fBindFragDataLocationIndexed) |
| , fBindFramebuffer(&fFunctions.fBindFramebuffer) |
| , fBindRenderbuffer(&fFunctions.fBindRenderbuffer) |
| , fBindTexture(&fFunctions.fBindTexture) |
| , fBindVertexArray(&fFunctions.fBindVertexArray) |
| , fBlendColor(&fFunctions.fBlendColor) |
| , fBlendFunc(&fFunctions.fBlendFunc) |
| , fBlitFramebuffer(&fFunctions.fBlitFramebuffer) |
| , fBufferData(&fFunctions.fBufferData) |
| , fBufferSubData(&fFunctions.fBufferSubData) |
| , fCheckFramebufferStatus(&fFunctions.fCheckFramebufferStatus) |
| , fClear(&fFunctions.fClear) |
| , fClearColor(&fFunctions.fClearColor) |
| , fClearStencil(&fFunctions.fClearStencil) |
| , fColorMask(&fFunctions.fColorMask) |
| , fCompileShader(&fFunctions.fCompileShader) |
| , fCompressedTexImage2D(&fFunctions.fCompressedTexImage2D) |
| , fCopyTexSubImage2D(&fFunctions.fCopyTexSubImage2D) |
| , fCreateProgram(&fFunctions.fCreateProgram) |
| , fCreateShader(&fFunctions.fCreateShader) |
| , fCullFace(&fFunctions.fCullFace) |
| , fDeleteBuffers(&fFunctions.fDeleteBuffers) |
| , fDeleteFramebuffers(&fFunctions.fDeleteFramebuffers) |
| , fDeleteProgram(&fFunctions.fDeleteProgram) |
| , fDeleteQueries(&fFunctions.fDeleteQueries) |
| , fDeleteRenderbuffers(&fFunctions.fDeleteRenderbuffers) |
| , fDeleteShader(&fFunctions.fDeleteShader) |
| , fDeleteTextures(&fFunctions.fDeleteTextures) |
| , fDeleteVertexArrays(&fFunctions.fDeleteVertexArrays) |
| , fDepthMask(&fFunctions.fDepthMask) |
| , fDisable(&fFunctions.fDisable) |
| , fDisableVertexAttribArray(&fFunctions.fDisableVertexAttribArray) |
| , fDrawArrays(&fFunctions.fDrawArrays) |
| , fDrawBuffer(&fFunctions.fDrawBuffer) |
| , fDrawBuffers(&fFunctions.fDrawBuffers) |
| , fDrawElements(&fFunctions.fDrawElements) |
| , fEnable(&fFunctions.fEnable) |
| , fEnableVertexAttribArray(&fFunctions.fEnableVertexAttribArray) |
| , fEndQuery(&fFunctions.fEndQuery) |
| , fFinish(&fFunctions.fFinish) |
| , fFlush(&fFunctions.fFlush) |
| , fFramebufferRenderbuffer(&fFunctions.fFramebufferRenderbuffer) |
| , fFramebufferTexture2D(&fFunctions.fFramebufferTexture2D) |
| , fFramebufferTexture2DMultisample(&fFunctions.fFramebufferTexture2DMultisample) |
| , fFrontFace(&fFunctions.fFrontFace) |
| , fGenBuffers(&fFunctions.fGenBuffers) |
| , fGenFramebuffers(&fFunctions.fGenFramebuffers) |
| , fGenerateMipmap(&fFunctions.fGenerateMipmap) |
| , fGenQueries(&fFunctions.fGenQueries) |
| , fGenRenderbuffers(&fFunctions.fGenRenderbuffers) |
| , fGenTextures(&fFunctions.fGenTextures) |
| , fGenVertexArrays(&fFunctions.fGenVertexArrays) |
| , fGetBufferParameteriv(&fFunctions.fGetBufferParameteriv) |
| , fGetError(&fFunctions.fGetError) |
| , fGetFramebufferAttachmentParameteriv(&fFunctions.fGetFramebufferAttachmentParameteriv) |
| , fGetIntegerv(&fFunctions.fGetIntegerv) |
| , fGetQueryObjecti64v(&fFunctions.fGetQueryObjecti64v) |
| , fGetQueryObjectiv(&fFunctions.fGetQueryObjectiv) |
| , fGetQueryObjectui64v(&fFunctions.fGetQueryObjectui64v) |
| , fGetQueryObjectuiv(&fFunctions.fGetQueryObjectuiv) |
| , fGetQueryiv(&fFunctions.fGetQueryiv) |
| , fGetProgramInfoLog(&fFunctions.fGetProgramInfoLog) |
| , fGetProgramiv(&fFunctions.fGetProgramiv) |
| , fGetRenderbufferParameteriv(&fFunctions.fGetRenderbufferParameteriv) |
| , fGetShaderInfoLog(&fFunctions.fGetShaderInfoLog) |
| , fGetShaderiv(&fFunctions.fGetShaderiv) |
| , fGetString(&fFunctions.fGetString) |
| , fGetStringi(&fFunctions.fGetStringi) |
| , fGetTexLevelParameteriv(&fFunctions.fGetTexLevelParameteriv) |
| , fGetUniformLocation(&fFunctions.fGetUniformLocation) |
| , fInsertEventMarker(&fFunctions.fInsertEventMarker) |
| , fLineWidth(&fFunctions.fLineWidth) |
| , fLinkProgram(&fFunctions.fLinkProgram) |
| , fLoadIdentity(&fFunctions.fLoadIdentity) |
| , fLoadMatrixf(&fFunctions.fLoadMatrixf) |
| , fMapBuffer(&fFunctions.fMapBuffer) |
| , fMatrixMode(&fFunctions.fMatrixMode) |
| , fPixelStorei(&fFunctions.fPixelStorei) |
| , fPopGroupMarker(&fFunctions.fPopGroupMarker) |
| , fPushGroupMarker(&fFunctions.fPushGroupMarker) |
| , fQueryCounter(&fFunctions.fQueryCounter) |
| , fReadBuffer(&fFunctions.fReadBuffer) |
| , fReadPixels(&fFunctions.fReadPixels) |
| , fRenderbufferStorage(&fFunctions.fRenderbufferStorage) |
| , fRenderbufferStorageMultisampleES2EXT(&fFunctions.fRenderbufferStorageMultisampleES2EXT) |
| , fRenderbufferStorageMultisampleES2APPLE(&fFunctions.fRenderbufferStorageMultisampleES2APPLE) |
| , fRenderbufferStorageMultisample(&fFunctions.fRenderbufferStorageMultisample) |
| , fBindUniformLocation(&fFunctions.fBindUniformLocation) |
| , fResolveMultisampleFramebuffer(&fFunctions.fResolveMultisampleFramebuffer) |
| , fScissor(&fFunctions.fScissor) |
| , fShaderSource(&fFunctions.fShaderSource) |
| , fStencilFunc(&fFunctions.fStencilFunc) |
| , fStencilFuncSeparate(&fFunctions.fStencilFuncSeparate) |
| , fStencilMask(&fFunctions.fStencilMask) |
| , fStencilMaskSeparate(&fFunctions.fStencilMaskSeparate) |
| , fStencilOp(&fFunctions.fStencilOp) |
| , fStencilOpSeparate(&fFunctions.fStencilOpSeparate) |
| , fTexGenfv(&fFunctions.fTexGenfv) |
| , fTexGeni(&fFunctions.fTexGeni) |
| , fTexImage2D(&fFunctions.fTexImage2D) |
| , fTexParameteri(&fFunctions.fTexParameteri) |
| , fTexParameteriv(&fFunctions.fTexParameteriv) |
| , fTexSubImage2D(&fFunctions.fTexSubImage2D) |
| , fTexStorage2D(&fFunctions.fTexStorage2D) |
| , fDiscardFramebuffer(&fFunctions.fDiscardFramebuffer) |
| , fUniform1f(&fFunctions.fUniform1f) |
| , fUniform1i(&fFunctions.fUniform1i) |
| , fUniform1fv(&fFunctions.fUniform1fv) |
| , fUniform1iv(&fFunctions.fUniform1iv) |
| , fUniform2f(&fFunctions.fUniform2f) |
| , fUniform2i(&fFunctions.fUniform2i) |
| , fUniform2fv(&fFunctions.fUniform2fv) |
| , fUniform2iv(&fFunctions.fUniform2iv) |
| , fUniform3f(&fFunctions.fUniform3f) |
| , fUniform3i(&fFunctions.fUniform3i) |
| , fUniform3fv(&fFunctions.fUniform3fv) |
| , fUniform3iv(&fFunctions.fUniform3iv) |
| , fUniform4f(&fFunctions.fUniform4f) |
| , fUniform4i(&fFunctions.fUniform4i) |
| , fUniform4fv(&fFunctions.fUniform4fv) |
| , fUniform4iv(&fFunctions.fUniform4iv) |
| , fUniformMatrix2fv(&fFunctions.fUniformMatrix2fv) |
| , fUniformMatrix3fv(&fFunctions.fUniformMatrix3fv) |
| , fUniformMatrix4fv(&fFunctions.fUniformMatrix4fv) |
| , fUnmapBuffer(&fFunctions.fUnmapBuffer) |
| , fUseProgram(&fFunctions.fUseProgram) |
| , fVertexAttrib4fv(&fFunctions.fVertexAttrib4fv) |
| , fVertexAttribPointer(&fFunctions.fVertexAttribPointer) |
| , fViewport(&fFunctions.fViewport) |
| , fPathCommands(&fFunctions.fPathCommands) |
| , fPathCoords(&fFunctions.fPathCoords) |
| , fPathSubCommands(&fFunctions.fPathSubCommands) |
| , fPathSubCoords(&fFunctions.fPathSubCoords) |
| , fPathString(&fFunctions.fPathString) |
| , fPathGlyphs(&fFunctions.fPathGlyphs) |
| , fPathGlyphRange(&fFunctions.fPathGlyphRange) |
| , fWeightPaths(&fFunctions.fWeightPaths) |
| , fCopyPath(&fFunctions.fCopyPath) |
| , fInterpolatePaths(&fFunctions.fInterpolatePaths) |
| , fTransformPath(&fFunctions.fTransformPath) |
| , fPathParameteriv(&fFunctions.fPathParameteriv) |
| , fPathParameteri(&fFunctions.fPathParameteri) |
| , fPathParameterfv(&fFunctions.fPathParameterfv) |
| , fPathParameterf(&fFunctions.fPathParameterf) |
| , fPathDashArray(&fFunctions.fPathDashArray) |
| , fGenPaths(&fFunctions.fGenPaths) |
| , fDeletePaths(&fFunctions.fDeletePaths) |
| , fIsPath(&fFunctions.fIsPath) |
| , fPathStencilFunc(&fFunctions.fPathStencilFunc) |
| , fPathStencilDepthOffset(&fFunctions.fPathStencilDepthOffset) |
| , fStencilFillPath(&fFunctions.fStencilFillPath) |
| , fStencilStrokePath(&fFunctions.fStencilStrokePath) |
| , fStencilFillPathInstanced(&fFunctions.fStencilFillPathInstanced) |
| , fStencilStrokePathInstanced(&fFunctions.fStencilStrokePathInstanced) |
| , fPathCoverDepthFunc(&fFunctions.fPathCoverDepthFunc) |
| , fPathColorGen(&fFunctions.fPathColorGen) |
| , fPathTexGen(&fFunctions.fPathTexGen) |
| , fPathFogGen(&fFunctions.fPathFogGen) |
| , fCoverFillPath(&fFunctions.fCoverFillPath) |
| , fCoverStrokePath(&fFunctions.fCoverStrokePath) |
| , fCoverFillPathInstanced(&fFunctions.fCoverFillPathInstanced) |
| , fCoverStrokePathInstanced(&fFunctions.fCoverStrokePathInstanced) |
| , fGetPathParameteriv(&fFunctions.fGetPathParameteriv) |
| , fGetPathParameterfv(&fFunctions.fGetPathParameterfv) |
| , fGetPathCommands(&fFunctions.fGetPathCommands) |
| , fGetPathCoords(&fFunctions.fGetPathCoords) |
| , fGetPathDashArray(&fFunctions.fGetPathDashArray) |
| , fGetPathMetrics(&fFunctions.fGetPathMetrics) |
| , fGetPathMetricRange(&fFunctions.fGetPathMetricRange) |
| , fGetPathSpacing(&fFunctions.fGetPathSpacing) |
| , fGetPathColorGeniv(&fFunctions.fGetPathColorGeniv) |
| , fGetPathColorGenfv(&fFunctions.fGetPathColorGenfv) |
| , fGetPathTexGeniv(&fFunctions.fGetPathTexGeniv) |
| , fGetPathTexGenfv(&fFunctions.fGetPathTexGenfv) |
| , fIsPointInFillPath(&fFunctions.fIsPointInFillPath) |
| , fIsPointInStrokePath(&fFunctions.fIsPointInStrokePath) |
| , fGetPathLength(&fFunctions.fGetPathLength) |
| , fPointAlongPath(&fFunctions.fPointAlongPath) { |
| fStandard = kNone_GrGLStandard; |
| |
| #if GR_GL_PER_GL_FUNC_CALLBACK |
| fCallback = GrGLDefaultInterfaceCallback; |
| fCallbackData = 0; |
| #endif |
| } |
| |
| GrGLInterface* GrGLInterface::NewClone(const GrGLInterface* interface) { |
| SkASSERT(NULL != interface); |
| |
| GrGLInterface* clone = SkNEW(GrGLInterface); |
| clone->fStandard = interface->fStandard; |
| clone->fExtensions = interface->fExtensions; |
| clone->fFunctions = interface->fFunctions; |
| #if GR_GL_PER_GL_FUNC_CALLBACK |
| clone->fCallback = interface->fCallback; |
| clone->fCallbackData = interface->fCallbackData; |
| #endif |
| return clone; |
| } |
| |
| bool GrGLInterface::validate() const { |
| |
| if (kNone_GrGLStandard == fStandard) { |
| return false; |
| } |
| |
| // This const hackery is necessary because the factories in Chromium do not yet initialize |
| // fExtensions. |
| if (!fExtensions.isInitialized()) { |
| GrGLExtensions* extensions = const_cast<GrGLExtensions*>(&fExtensions); |
| if (!extensions->init(fStandard, fFunctions.fGetString, fFunctions.fGetStringi, |
| fFunctions.fGetIntegerv)) { |
| return false; |
| } |
| } |
| |
| // functions that are always required |
| if (NULL == fFunctions.fActiveTexture || |
| NULL == fFunctions.fAttachShader || |
| NULL == fFunctions.fBindAttribLocation || |
| NULL == fFunctions.fBindBuffer || |
| NULL == fFunctions.fBindTexture || |
| NULL == fFunctions.fBlendFunc || |
| NULL == fFunctions.fBlendColor || // -> GL >= 1.4, ES >= 2.0 or extension |
| NULL == fFunctions.fBufferData || |
| NULL == fFunctions.fBufferSubData || |
| NULL == fFunctions.fClear || |
| NULL == fFunctions.fClearColor || |
| NULL == fFunctions.fClearStencil || |
| NULL == fFunctions.fColorMask || |
| NULL == fFunctions.fCompileShader || |
| NULL == fFunctions.fCopyTexSubImage2D || |
| NULL == fFunctions.fCreateProgram || |
| NULL == fFunctions.fCreateShader || |
| NULL == fFunctions.fCullFace || |
| NULL == fFunctions.fDeleteBuffers || |
| NULL == fFunctions.fDeleteProgram || |
| NULL == fFunctions.fDeleteShader || |
| NULL == fFunctions.fDeleteTextures || |
| NULL == fFunctions.fDepthMask || |
| NULL == fFunctions.fDisable || |
| NULL == fFunctions.fDisableVertexAttribArray || |
| NULL == fFunctions.fDrawArrays || |
| NULL == fFunctions.fDrawElements || |
| NULL == fFunctions.fEnable || |
| NULL == fFunctions.fEnableVertexAttribArray || |
| NULL == fFunctions.fFrontFace || |
| NULL == fFunctions.fGenBuffers || |
| NULL == fFunctions.fGenTextures || |
| NULL == fFunctions.fGetBufferParameteriv || |
| NULL == fFunctions.fGenerateMipmap || |
| NULL == fFunctions.fGetError || |
| NULL == fFunctions.fGetIntegerv || |
| NULL == fFunctions.fGetProgramInfoLog || |
| NULL == fFunctions.fGetProgramiv || |
| NULL == fFunctions.fGetShaderInfoLog || |
| NULL == fFunctions.fGetShaderiv || |
| NULL == fFunctions.fGetString || |
| NULL == fFunctions.fGetUniformLocation || |
| NULL == fFunctions.fLinkProgram || |
| NULL == fFunctions.fLineWidth || |
| NULL == fFunctions.fPixelStorei || |
| NULL == fFunctions.fReadPixels || |
| NULL == fFunctions.fScissor || |
| NULL == fFunctions.fShaderSource || |
| NULL == fFunctions.fStencilFunc || |
| NULL == fFunctions.fStencilMask || |
| NULL == fFunctions.fStencilOp || |
| NULL == fFunctions.fTexImage2D || |
| NULL == fFunctions.fTexParameteri || |
| NULL == fFunctions.fTexParameteriv || |
| NULL == fFunctions.fTexSubImage2D || |
| NULL == fFunctions.fUniform1f || |
| NULL == fFunctions.fUniform1i || |
| NULL == fFunctions.fUniform1fv || |
| NULL == fFunctions.fUniform1iv || |
| NULL == fFunctions.fUniform2f || |
| NULL == fFunctions.fUniform2i || |
| NULL == fFunctions.fUniform2fv || |
| NULL == fFunctions.fUniform2iv || |
| NULL == fFunctions.fUniform3f || |
| NULL == fFunctions.fUniform3i || |
| NULL == fFunctions.fUniform3fv || |
| NULL == fFunctions.fUniform3iv || |
| NULL == fFunctions.fUniform4f || |
| NULL == fFunctions.fUniform4i || |
| NULL == fFunctions.fUniform4fv || |
| NULL == fFunctions.fUniform4iv || |
| NULL == fFunctions.fUniformMatrix2fv || |
| NULL == fFunctions.fUniformMatrix3fv || |
| NULL == fFunctions.fUniformMatrix4fv || |
| NULL == fFunctions.fUseProgram || |
| NULL == fFunctions.fVertexAttrib4fv || |
| NULL == fFunctions.fVertexAttribPointer || |
| NULL == fFunctions.fViewport || |
| NULL == fFunctions.fBindFramebuffer || |
| NULL == fFunctions.fBindRenderbuffer || |
| NULL == fFunctions.fCheckFramebufferStatus || |
| NULL == fFunctions.fDeleteFramebuffers || |
| NULL == fFunctions.fDeleteRenderbuffers || |
| NULL == fFunctions.fFinish || |
| NULL == fFunctions.fFlush || |
| NULL == fFunctions.fFramebufferRenderbuffer || |
| NULL == fFunctions.fFramebufferTexture2D || |
| NULL == fFunctions.fGetFramebufferAttachmentParameteriv || |
| NULL == fFunctions.fGetRenderbufferParameteriv || |
| NULL == fFunctions.fGenFramebuffers || |
| NULL == fFunctions.fGenRenderbuffers || |
| NULL == fFunctions.fRenderbufferStorage) { |
| return false; |
| } |
| |
| GrGLVersion glVer = GrGLGetVersion(this); |
| |
| bool isCoreProfile = false; |
| if (kGL_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,2)) { |
| GrGLint profileMask; |
| GR_GL_GetIntegerv(this, GR_GL_CONTEXT_PROFILE_MASK, &profileMask); |
| isCoreProfile = SkToBool(profileMask & GR_GL_CONTEXT_CORE_PROFILE_BIT); |
| } |
| |
| // Now check that baseline ES/Desktop fns not covered above are present |
| // and that we have fn pointers for any advertised fExtensions that we will |
| // try to use. |
| |
| // these functions are part of ES2, we assume they are available |
| // On the desktop we assume they are available if the extension |
| // is present or GL version is high enough. |
| if (kGLES_GrGLStandard == fStandard) { |
| if (NULL == fFunctions.fStencilFuncSeparate || |
| NULL == fFunctions.fStencilMaskSeparate || |
| NULL == fFunctions.fStencilOpSeparate) { |
| return false; |
| } |
| } else if (kGL_GrGLStandard == fStandard) { |
| |
| if (glVer >= GR_GL_VER(2,0)) { |
| if (NULL == fFunctions.fStencilFuncSeparate || |
| NULL == fFunctions.fStencilMaskSeparate || |
| NULL == fFunctions.fStencilOpSeparate) { |
| return false; |
| } |
| } |
| if (glVer >= GR_GL_VER(3,0) && NULL == fFunctions.fBindFragDataLocation) { |
| return false; |
| } |
| if (glVer >= GR_GL_VER(2,0) || fExtensions.has("GL_ARB_draw_buffers")) { |
| if (NULL == fFunctions.fDrawBuffers) { |
| return false; |
| } |
| } |
| |
| if (glVer >= GR_GL_VER(1,5) || fExtensions.has("GL_ARB_occlusion_query")) { |
| if (NULL == fFunctions.fGenQueries || |
| NULL == fFunctions.fDeleteQueries || |
| NULL == fFunctions.fBeginQuery || |
| NULL == fFunctions.fEndQuery || |
| NULL == fFunctions.fGetQueryiv || |
| NULL == fFunctions.fGetQueryObjectiv || |
| NULL == fFunctions.fGetQueryObjectuiv) { |
| return false; |
| } |
| } |
| if (glVer >= GR_GL_VER(3,3) || |
| fExtensions.has("GL_ARB_timer_query") || |
| fExtensions.has("GL_EXT_timer_query")) { |
| if (NULL == fFunctions.fGetQueryObjecti64v || |
| NULL == fFunctions.fGetQueryObjectui64v) { |
| return false; |
| } |
| } |
| if (glVer >= GR_GL_VER(3,3) || fExtensions.has("GL_ARB_timer_query")) { |
| if (NULL == fFunctions.fQueryCounter) { |
| return false; |
| } |
| } |
| if (!isCoreProfile) { |
| if (NULL == fFunctions.fLoadIdentity || |
| NULL == fFunctions.fLoadMatrixf || |
| NULL == fFunctions.fMatrixMode || |
| NULL == fFunctions.fTexGenfv || |
| NULL == fFunctions.fTexGeni) { |
| return false; |
| } |
| } |
| if (fExtensions.has("GL_NV_path_rendering")) { |
| if (NULL == fFunctions.fPathCommands || |
| NULL == fFunctions.fPathCoords || |
| NULL == fFunctions.fPathSubCommands || |
| NULL == fFunctions.fPathSubCoords || |
| NULL == fFunctions.fPathString || |
| NULL == fFunctions.fPathGlyphs || |
| NULL == fFunctions.fPathGlyphRange || |
| NULL == fFunctions.fWeightPaths || |
| NULL == fFunctions.fCopyPath || |
| NULL == fFunctions.fInterpolatePaths || |
| NULL == fFunctions.fTransformPath || |
| NULL == fFunctions.fPathParameteriv || |
| NULL == fFunctions.fPathParameteri || |
| NULL == fFunctions.fPathParameterfv || |
| NULL == fFunctions.fPathParameterf || |
| NULL == fFunctions.fPathDashArray || |
| NULL == fFunctions.fGenPaths || |
| NULL == fFunctions.fDeletePaths || |
| NULL == fFunctions.fIsPath || |
| NULL == fFunctions.fPathStencilFunc || |
| NULL == fFunctions.fPathStencilDepthOffset || |
| NULL == fFunctions.fStencilFillPath || |
| NULL == fFunctions.fStencilStrokePath || |
| NULL == fFunctions.fStencilFillPathInstanced || |
| NULL == fFunctions.fStencilStrokePathInstanced || |
| NULL == fFunctions.fPathCoverDepthFunc || |
| NULL == fFunctions.fPathColorGen || |
| NULL == fFunctions.fPathTexGen || |
| NULL == fFunctions.fPathFogGen || |
| NULL == fFunctions.fCoverFillPath || |
| NULL == fFunctions.fCoverStrokePath || |
| NULL == fFunctions.fCoverFillPathInstanced || |
| NULL == fFunctions.fCoverStrokePathInstanced || |
| NULL == fFunctions.fGetPathParameteriv || |
| NULL == fFunctions.fGetPathParameterfv || |
| NULL == fFunctions.fGetPathCommands || |
| NULL == fFunctions.fGetPathCoords || |
| NULL == fFunctions.fGetPathDashArray || |
| NULL == fFunctions.fGetPathMetrics || |
| NULL == fFunctions.fGetPathMetricRange || |
| NULL == fFunctions.fGetPathSpacing || |
| NULL == fFunctions.fGetPathColorGeniv || |
| NULL == fFunctions.fGetPathColorGenfv || |
| NULL == fFunctions.fGetPathTexGeniv || |
| NULL == fFunctions.fGetPathTexGenfv || |
| NULL == fFunctions.fIsPointInFillPath || |
| NULL == fFunctions.fIsPointInStrokePath || |
| NULL == fFunctions.fGetPathLength || |
| NULL == fFunctions.fPointAlongPath) { |
| return false; |
| } |
| } |
| } |
| |
| // optional function on desktop before 1.3 |
| if (kGL_GrGLStandard != fStandard || |
| (glVer >= GR_GL_VER(1,3)) || |
| fExtensions.has("GL_ARB_texture_compression")) { |
| if (NULL == fFunctions.fCompressedTexImage2D) { |
| return false; |
| } |
| } |
| |
| // part of desktop GL, but not ES |
| if (kGL_GrGLStandard == fStandard && |
| (NULL == fFunctions.fGetTexLevelParameteriv || |
| NULL == fFunctions.fDrawBuffer || |
| NULL == fFunctions.fReadBuffer)) { |
| return false; |
| } |
| |
| // GL_EXT_texture_storage is part of desktop 4.2 |
| // There is a desktop ARB extension and an ES+desktop EXT extension |
| if (kGL_GrGLStandard == fStandard) { |
| if (glVer >= GR_GL_VER(4,2) || |
| fExtensions.has("GL_ARB_texture_storage") || |
| fExtensions.has("GL_EXT_texture_storage")) { |
| if (NULL == fFunctions.fTexStorage2D) { |
| return false; |
| } |
| } |
| } else if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_EXT_texture_storage")) { |
| if (NULL == fFunctions.fTexStorage2D) { |
| return false; |
| } |
| } |
| |
| if (fExtensions.has("GL_EXT_discard_framebuffer")) { |
| // FIXME: Remove this once Chromium is updated to provide this function |
| #if 0 |
| if (NULL == fFunctions.fDiscardFramebuffer) { |
| return false; |
| } |
| #endif |
| } |
| |
| // FBO MSAA |
| if (kGL_GrGLStandard == fStandard) { |
| // GL 3.0 and the ARB extension have multisample + blit |
| if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_ARB_framebuffer_object")) { |
| if (NULL == fFunctions.fRenderbufferStorageMultisample || |
| NULL == fFunctions.fBlitFramebuffer) { |
| return false; |
| } |
| } else { |
| if (fExtensions.has("GL_EXT_framebuffer_blit") && |
| NULL == fFunctions.fBlitFramebuffer) { |
| return false; |
| } |
| if (fExtensions.has("GL_EXT_framebuffer_multisample") && |
| NULL == fFunctions.fRenderbufferStorageMultisample) { |
| return false; |
| } |
| } |
| } else { |
| if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_CHROMIUM_framebuffer_multisample")) { |
| if (NULL == fFunctions.fRenderbufferStorageMultisample || |
| NULL == fFunctions.fBlitFramebuffer) { |
| return false; |
| } |
| } |
| if (fExtensions.has("GL_APPLE_framebuffer_multisample")) { |
| if (NULL == fFunctions.fRenderbufferStorageMultisampleES2APPLE || |
| NULL == fFunctions.fResolveMultisampleFramebuffer) { |
| return false; |
| } |
| } |
| if (fExtensions.has("GL_IMG_multisampled_render_to_texture") || |
| fExtensions.has("GL_EXT_multisampled_render_to_texture")) { |
| if (NULL == fFunctions.fRenderbufferStorageMultisampleES2EXT || |
| NULL == fFunctions.fFramebufferTexture2DMultisample) { |
| return false; |
| } |
| } |
| } |
| |
| // On ES buffer mapping is an extension. On Desktop |
| // buffer mapping was part of original VBO extension |
| // which we require. |
| if (kGL_GrGLStandard == fStandard || fExtensions.has("GL_OES_mapbuffer")) { |
| if (NULL == fFunctions.fMapBuffer || |
| NULL == fFunctions.fUnmapBuffer) { |
| return false; |
| } |
| } |
| |
| // Dual source blending |
| if (kGL_GrGLStandard == fStandard && |
| (glVer >= GR_GL_VER(3,3) || fExtensions.has("GL_ARB_blend_func_extended"))) { |
| if (NULL == fFunctions.fBindFragDataLocationIndexed) { |
| return false; |
| } |
| } |
| |
| // glGetStringi was added in version 3.0 of both desktop and ES. |
| if (glVer >= GR_GL_VER(3, 0)) { |
| if (NULL == fFunctions.fGetStringi) { |
| return false; |
| } |
| } |
| |
| if (kGL_GrGLStandard == fStandard) { |
| if (glVer >= GR_GL_VER(3, 0) || fExtensions.has("GL_ARB_vertex_array_object")) { |
| if (NULL == fFunctions.fBindVertexArray || |
| NULL == fFunctions.fDeleteVertexArrays || |
| NULL == fFunctions.fGenVertexArrays) { |
| return false; |
| } |
| } |
| } else { |
| if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_OES_vertex_array_object")) { |
| if (NULL == fFunctions.fBindVertexArray || |
| NULL == fFunctions.fDeleteVertexArrays || |
| NULL == fFunctions.fGenVertexArrays) { |
| return false; |
| } |
| } |
| } |
| |
| #if 0 |
| if (fExtensions.has("GL_EXT_debug_marker")) { |
| if (NULL == fFunctions.fInsertEventMarker || |
| NULL == fFunctions.fPushGroupMarker || |
| NULL == fFunctions.fPopGroupMarker) { |
| return false; |
| } |
| } |
| #endif |
| return true; |
| } |