GrGpuGLShaders::GrGpuGLShaders(const GrGLContextInfo& ctxInfo) : GrGpuGL(ctxInfo) { // Enable supported shader-related caps if (kDesktop_GrGLBinding == this->glBinding()) { fCaps.fDualSourceBlendingSupport = this->glVersion() >= GR_GL_VER(3,3) || this->hasExtension("GL_ARB_blend_func_extended"); fCaps.fShaderDerivativeSupport = true; // we don't support GL_ARB_geometry_shader4, just GL 3.2+ GS fCaps.fGeometryShaderSupport = this->glVersion() >= GR_GL_VER(3,2) && this->glslGeneration() >= k150_GrGLSLGeneration; } else { fCaps.fShaderDerivativeSupport = this->hasExtension("GL_OES_standard_derivatives"); } GR_GL_GetIntegerv(this->glInterface(), GR_GL_MAX_VERTEX_ATTRIBS, &fMaxVertexAttribs); fProgramData = NULL; fProgramCache = new ProgramCache(this->glContextInfo()); #if 0 this->programUnitTest(); #endif }
void GrGLCaps::initFSAASupport(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli) { fMSFBOType = kNone_MSFBOType; if (kGL_GrGLStandard != ctxInfo.standard()) { // We prefer the EXT/IMG extension over ES3 MSAA because we've observed // ES3 driver bugs on at least one device with a tiled GPU (N10). if (ctxInfo.hasExtension("GL_EXT_multisampled_render_to_texture")) { fMSFBOType = kES_EXT_MsToTexture_MSFBOType; } else if (ctxInfo.hasExtension("GL_IMG_multisampled_render_to_texture")) { fMSFBOType = kES_IMG_MsToTexture_MSFBOType; } else if (ctxInfo.version() >= GR_GL_VER(3,0)) { fMSFBOType = GrGLCaps::kES_3_0_MSFBOType; } else if (ctxInfo.hasExtension("GL_CHROMIUM_framebuffer_multisample")) { // chrome's extension is equivalent to the EXT msaa // and fbo_blit extensions. fMSFBOType = kDesktop_EXT_MSFBOType; } else if (ctxInfo.hasExtension("GL_APPLE_framebuffer_multisample")) { fMSFBOType = kES_Apple_MSFBOType; } } else { if ((ctxInfo.version() >= GR_GL_VER(3,0)) || ctxInfo.hasExtension("GL_ARB_framebuffer_object")) { fMSFBOType = GrGLCaps::kDesktop_ARB_MSFBOType; } else if (ctxInfo.hasExtension("GL_EXT_framebuffer_multisample") && ctxInfo.hasExtension("GL_EXT_framebuffer_blit")) { fMSFBOType = GrGLCaps::kDesktop_EXT_MSFBOType; } } }
GrGpuGLShaders::GrGpuGLShaders(const GrGLInterface* gl) : GrGpuGL(gl, get_binding_in_use(gl)) { GrGLSLGeneration glslGeneration = GetGLSLGeneration(this->glBinding(), gl); // Enable supported shader-releated caps fCaps.fShaderSupport = true; fCaps.fSupportPerVertexCoverage = true; if (kDesktop_GrGLBinding == this->glBinding()) { fCaps.fDualSourceBlendingSupport = this->glVersion() >= GR_GL_VER(3,3) || this->hasExtension("GL_ARB_blend_func_extended"); fCaps.fShaderDerivativeSupport = true; // we don't support GL_ARB_geometry_shader4, just GL 3.2+ GS fCaps.fGeometryShaderSupport = this->glVersion() >= GR_GL_VER(3,2) && glslGeneration >= k150_GLSLGeneration; } else { fCaps.fShaderDerivativeSupport = this->hasExtension("GL_OES_standard_derivatives"); } GR_GL_GetIntegerv(gl, GR_GL_MAX_VERTEX_ATTRIBS, &fMaxVertexAttribs); fProgramData = NULL; fProgramCache = new ProgramCache(gl, glslGeneration); #if 0 this->programUnitTest(); #endif }
GrGLVersion GrGLGetVersionFromString(const char* versionString) { if (NULL == versionString) { GrAssert(!"NULL GL version string."); return 0; } int major, minor; int n = sscanf(versionString, "%d.%d", &major, &minor); if (2 == n) { return GR_GL_VER(major, minor); } char profile[2]; n = sscanf(versionString, "OpenGL ES-%c%c %d.%d", profile, profile+1, &major, &minor); if (4 == n) { return GR_GL_VER(major, minor); } n = sscanf(versionString, "OpenGL ES %d.%d", &major, &minor); if (2 == n) { return GR_GL_VER(major, minor); } return 0; }
GrGLVersion GrGLGetVersionFromString(const char* versionString) { if (nullptr == versionString) { SkDebugf("nullptr GL version string."); return GR_GL_INVALID_VER; } int major, minor; // check for mesa int mesaMajor, mesaMinor; int n = sscanf(versionString, "%d.%d Mesa %d.%d", &major, &minor, &mesaMajor, &mesaMinor); if (4 == n) { return GR_GL_VER(major, minor); } n = sscanf(versionString, "%d.%d", &major, &minor); if (2 == n) { return GR_GL_VER(major, minor); } char profile[2]; n = sscanf(versionString, "OpenGL ES-%c%c %d.%d", profile, profile+1, &major, &minor); if (4 == n) { return GR_GL_VER(major, minor); } n = sscanf(versionString, "OpenGL ES %d.%d", &major, &minor); if (2 == n) { return GR_GL_VER(major, minor); } return GR_GL_INVALID_VER; }
void GrGLCaps::initStencilFormats(const GrGLContextInfo& ctxInfo) { // Build up list of legal stencil formats (though perhaps not supported on // the particular gpu/driver) from most preferred to least. // these consts are in order of most preferred to least preferred // we don't bother with GL_STENCIL_INDEX1 or GL_DEPTH32F_STENCIL8 static const StencilFormat // internal Format stencil bits total bits packed? gS8 = {GR_GL_STENCIL_INDEX8, 8, 8, false}, gS16 = {GR_GL_STENCIL_INDEX16, 16, 16, false}, gD24S8 = {GR_GL_DEPTH24_STENCIL8, 8, 32, true }, gS4 = {GR_GL_STENCIL_INDEX4, 4, 4, false}, // gS = {GR_GL_STENCIL_INDEX, kUnknownBitCount, kUnknownBitCount, false}, gDS = {GR_GL_DEPTH_STENCIL, kUnknownBitCount, kUnknownBitCount, true }; if (kGL_GrGLStandard == ctxInfo.standard()) { bool supportsPackedDS = ctxInfo.version() >= GR_GL_VER(3,0) || ctxInfo.hasExtension("GL_EXT_packed_depth_stencil") || ctxInfo.hasExtension("GL_ARB_framebuffer_object"); // S1 thru S16 formats are in GL 3.0+, EXT_FBO, and ARB_FBO since we // require FBO support we can expect these are legal formats and don't // check. These also all support the unsized GL_STENCIL_INDEX. fStencilFormats.push_back() = gS8; fStencilFormats.push_back() = gS16; if (supportsPackedDS) { fStencilFormats.push_back() = gD24S8; } fStencilFormats.push_back() = gS4; if (supportsPackedDS) { fStencilFormats.push_back() = gDS; } } else { // ES2 has STENCIL_INDEX8 without extensions but requires extensions // for other formats. // ES doesn't support using the unsized format. fStencilFormats.push_back() = gS8; //fStencilFormats.push_back() = gS16; if (ctxInfo.version() >= GR_GL_VER(3,0) || ctxInfo.hasExtension("GL_OES_packed_depth_stencil")) { fStencilFormats.push_back() = gD24S8; } if (ctxInfo.hasExtension("GL_OES_stencil4")) { fStencilFormats.push_back() = gS4; } } SkASSERT(0 == fStencilVerifiedColorConfigs.count()); fStencilVerifiedColorConfigs.push_back_n(fStencilFormats.count()); }
SkGLContext::GLFenceSync* SkGLContext::GLFenceSync::CreateIfSupported(const SkGLContext* ctx) { SkAutoTDelete<GLFenceSync> ret(new GLFenceSync); if (kGL_GrGLStandard == ctx->gl()->fStandard) { const GrGLubyte* versionStr; SK_GL_RET(*ctx, versionStr, GetString(GR_GL_VERSION)); GrGLVersion version = GrGLGetVersionFromString(reinterpret_cast<const char*>(versionStr)); if (version < GR_GL_VER(3,2) && !ctx->gl()->hasExtension("GL_ARB_sync")) { return nullptr; } ret->fGLFenceSync = reinterpret_cast<GLFenceSyncProc>( ctx->onPlatformGetProcAddress("glFenceSync")); ret->fGLClientWaitSync = reinterpret_cast<GLClientWaitSyncProc>( ctx->onPlatformGetProcAddress("glClientWaitSync")); ret->fGLDeleteSync = reinterpret_cast<GLDeleteSyncProc>( ctx->onPlatformGetProcAddress("glDeleteSync")); } else { if (!ctx->gl()->hasExtension("GL_APPLE_sync")) { return nullptr; } ret->fGLFenceSync = reinterpret_cast<GLFenceSyncProc>( ctx->onPlatformGetProcAddress("glFenceSyncAPPLE")); ret->fGLClientWaitSync = reinterpret_cast<GLClientWaitSyncProc>( ctx->onPlatformGetProcAddress("glClientWaitSyncAPPLE")); ret->fGLDeleteSync = reinterpret_cast<GLDeleteSyncProc>( ctx->onPlatformGetProcAddress("glDeleteSyncAPPLE")); } if (!ret->fGLFenceSync || !ret->fGLClientWaitSync || !ret->fGLDeleteSync) { return nullptr; } return ret.detach(); }
GrGLint GLTestContext::createTextureRectangle(int width, int height, GrGLenum internalFormat, GrGLenum externalFormat, GrGLenum externalType, GrGLvoid* data) { if (!(kGL_GrGLStandard == fGL->fStandard && GrGLGetVersion(fGL) >= GR_GL_VER(3, 1)) && !fGL->fExtensions.has("GL_ARB_texture_rectangle")) { return 0; } if (GrGLGetGLSLVersion(fGL) < GR_GLSL_VER(1, 40)) { return 0; } GrGLuint id; GR_GL_CALL(fGL, GenTextures(1, &id)); GR_GL_CALL(fGL, BindTexture(GR_GL_TEXTURE_RECTANGLE, id)); GR_GL_CALL(fGL, TexParameteri(GR_GL_TEXTURE_RECTANGLE, GR_GL_TEXTURE_MAG_FILTER, GR_GL_NEAREST)); GR_GL_CALL(fGL, TexParameteri(GR_GL_TEXTURE_RECTANGLE, GR_GL_TEXTURE_MIN_FILTER, GR_GL_NEAREST)); GR_GL_CALL(fGL, TexParameteri(GR_GL_TEXTURE_RECTANGLE, GR_GL_TEXTURE_WRAP_S, GR_GL_CLAMP_TO_EDGE)); GR_GL_CALL(fGL, TexParameteri(GR_GL_TEXTURE_RECTANGLE, GR_GL_TEXTURE_WRAP_T, GR_GL_CLAMP_TO_EDGE)); GR_GL_CALL(fGL, TexImage2D(GR_GL_TEXTURE_RECTANGLE, 0, internalFormat, width, height, 0, externalFormat, externalType, data)); return id; }
bool GrGLExtensions::init(GrGLStandard standard, GrGLGetStringProc getString, GrGLGetStringiProc getStringi, GrGLGetIntegervProc getIntegerv) { fInitialized = false; fStrings->reset(); if (NULL == getString) { return false; } // glGetStringi and indexed extensions were added in version 3.0 of desktop GL and ES. const GrGLubyte* verString = getString(GR_GL_VERSION); GrGLVersion version = GrGLGetVersionFromString((const char*) verString); if (GR_GL_INVALID_VER == version) { return false; } bool indexed = version >= GR_GL_VER(3, 0); if (indexed) { if (NULL == getStringi || NULL == getIntegerv) { return false; } GrGLint extensionCnt = 0; getIntegerv(GR_GL_NUM_EXTENSIONS, &extensionCnt); fStrings->push_back_n(extensionCnt); for (int i = 0; i < extensionCnt; ++i) { const char* ext = (const char*) getStringi(GR_GL_EXTENSIONS, i); (*fStrings)[i] = ext; } } else { const char* extensions = (const char*) getString(GR_GL_EXTENSIONS); if (NULL == extensions) { return false; } while (true) { // skip over multiple spaces between extensions while (' ' == *extensions) { ++extensions; } // quit once we reach the end of the string. if ('\0' == *extensions) { break; } // we found an extension size_t length = strcspn(extensions, " "); fStrings->push_back().set(extensions, length); extensions += length; } } if (!fStrings->empty()) { SkTLessFunctionToFunctorAdaptor<SkString, extension_compare> cmp; SkTQSort(&fStrings->front(), &fStrings->back(), cmp); } fInitialized = true; return true; }
extern "C" bool SkiaGrGLInterfaceGLVersionGreaterThanOrEqualTo(SkiaGrGLInterfaceRef aGrGLInterface, int32_t major, int32_t minor) { const GrGLubyte* versionUByte; GR_GL_CALL_RET(static_cast<const GrGLInterface*>(aGrGLInterface), versionUByte, GetString(GR_GL_VERSION)); const char* version = reinterpret_cast<const char*>(versionUByte); GrGLVersion glVersion = GrGLGetVersionFromString(version); return GR_GL_INVALID_VER != glVersion && glVersion >= GR_GL_VER(major, minor); }
void GrGLContextInfo::reset() { fBindingInUse = kNone_GrGLBinding; fGLVersion = GR_GL_VER(0, 0); fGLSLGeneration = static_cast<GrGLSLGeneration>(0); fVendor = kOther_GrGLVendor; fIsMesa = false; fExtensions.reset(); fGLCaps->reset(); }
void GrGLContextInfo::reset() { fInterface.reset(NULL); fGLVersion = GR_GL_VER(0, 0); fGLSLGeneration = static_cast<GrGLSLGeneration>(0); fVendor = kOther_GrGLVendor; fRenderer = kOther_GrGLRenderer; fIsMesa = false; fIsChromium = false; fGLCaps->reset(); }
void GrGLSLCaps::initShaderPrecisionTable(const GrGLContextInfo& ctxInfo, const GrGLInterface* intf) { if (kGLES_GrGLStandard == ctxInfo.standard() || ctxInfo.version() >= GR_GL_VER(4, 1) || ctxInfo.hasExtension("GL_ARB_ES2_compatibility")) { for (int s = 0; s < kGrShaderTypeCount; ++s) { if (kGeometry_GrShaderType != s) { GrShaderType shaderType = static_cast<GrShaderType>(s); GrGLenum glShader = shader_type_to_gl_shader(shaderType); PrecisionInfo* first = NULL; fShaderPrecisionVaries = false; for (int p = 0; p < kGrSLPrecisionCount; ++p) { GrSLPrecision precision = static_cast<GrSLPrecision>(p); GrGLenum glPrecision = precision_to_gl_float_type(precision); GrGLint range[2]; GrGLint bits; GR_GL_GetShaderPrecisionFormat(intf, glShader, glPrecision, range, &bits); if (bits) { fFloatPrecisions[s][p].fLogRangeLow = range[0]; fFloatPrecisions[s][p].fLogRangeHigh = range[1]; fFloatPrecisions[s][p].fBits = bits; if (!first) { first = &fFloatPrecisions[s][p]; } else if (!fShaderPrecisionVaries) { fShaderPrecisionVaries = (*first != fFloatPrecisions[s][p]); } } } } } } else { // We're on a desktop GL that doesn't have precision info. Assume they're all 32bit float. fShaderPrecisionVaries = false; for (int s = 0; s < kGrShaderTypeCount; ++s) { if (kGeometry_GrShaderType != s) { for (int p = 0; p < kGrSLPrecisionCount; ++p) { fFloatPrecisions[s][p].fLogRangeLow = 127; fFloatPrecisions[s][p].fLogRangeHigh = 127; fFloatPrecisions[s][p].fBits = 23; } } } } // GetShaderPrecisionFormat doesn't accept GL_GEOMETRY_SHADER as a shader type. Assume they're // the same as the vertex shader. Only fragment shaders were ever allowed to omit support for // highp. GS was added after GetShaderPrecisionFormat was added to the list of features that // are recommended against. if (fGeometryShaderSupport) { for (int p = 0; p < kGrSLPrecisionCount; ++p) { fFloatPrecisions[kGeometry_GrShaderType][p] = fFloatPrecisions[kVertex_GrShaderType][p]; } } }
bool GrGLExtensions::init(GrGLBinding binding, GrGLGetStringProc getString, GrGLGetStringiProc getStringi, GrGLGetIntegervProc getIntegerv) { fStrings.reset(); if (NULL == getString) { return false; } bool indexed = false; if (kDesktop_GrGLBinding == binding) { const GrGLubyte* verString = getString(GR_GL_VERSION); if (NULL == verString) { return false; } GrGLVersion version = GrGLGetVersionFromString((const char*) verString); indexed = version >= GR_GL_VER(3, 0); } if (indexed) { if (NULL == getStringi || NULL == getIntegerv) { return false; } GrGLint extensionCnt = 0; getIntegerv(GR_GL_NUM_EXTENSIONS, &extensionCnt); fStrings.push_back_n(extensionCnt); for (int i = 0; i < extensionCnt; ++i) { const char* ext = (const char*) getStringi(GR_GL_EXTENSIONS, i); fStrings[i] = ext; } } else { const char* extensions = (const char*) getString(GR_GL_EXTENSIONS); if (NULL == extensions) { return false; } while (true) { // skip over multiple spaces between extensions while (' ' == *extensions) { ++extensions; } // quit once we reach the end of the string. if ('\0' == *extensions) { break; } // we found an extension size_t length = strcspn(extensions, " "); fStrings.push_back().set(extensions, length); extensions += length; } } if (0 != fStrings.count()) { SkTLessFunctionToFunctorAdaptor<SkString, extension_compare> cmp; SkTQSort(&fStrings.front(), &fStrings.back(), cmp); } return true; }
bool GrGLExtensions::init(GrGLStandard standard, GrGLFunction<GrGLGetStringProc> getString, GrGLFunction<GrGLGetStringiProc> getStringi, GrGLFunction<GrGLGetIntegervProc> getIntegerv, GrGLFunction<GrEGLQueryStringProc> queryString, GrEGLDisplay eglDisplay) { fInitialized = false; fStrings->reset(); if (!getString) { return false; } // glGetStringi and indexed extensions were added in version 3.0 of desktop GL and ES. const GrGLubyte* verString = getString(GR_GL_VERSION); GrGLVersion version = GrGLGetVersionFromString((const char*) verString); if (GR_GL_INVALID_VER == version) { return false; } bool indexed = version >= GR_GL_VER(3, 0); if (indexed) { if (!getStringi || !getIntegerv) { return false; } GrGLint extensionCnt = 0; getIntegerv(GR_GL_NUM_EXTENSIONS, &extensionCnt); fStrings->push_back_n(extensionCnt); for (int i = 0; i < extensionCnt; ++i) { const char* ext = (const char*) getStringi(GR_GL_EXTENSIONS, i); (*fStrings)[i] = ext; } } else { const char* extensions = (const char*) getString(GR_GL_EXTENSIONS); if (!extensions) { return false; } eat_space_sep_strings(fStrings.get(), extensions); } if (queryString) { const char* extensions = queryString(eglDisplay, GR_EGL_EXTENSIONS); eat_space_sep_strings(fStrings.get(), extensions); } if (!fStrings->empty()) { SkTLessFunctionToFunctorAdaptor<SkString, extension_compare> cmp; SkTQSort(&fStrings->front(), &fStrings->back(), cmp); } fInitialized = true; return true; }
GrGLVersion GrGLGetVersionFromString(const char* versionString) { if (NULL == versionString) { SkDEBUGFAIL("NULL GL version string."); return 0; } int major, minor; // check for mesa int mesaMajor, mesaMinor; int n = sscanf(versionString, "%d.%d Mesa %d.%d", &major, &minor, &mesaMajor, &mesaMinor); if (4 == n) { if (get_gl_version_for_mesa(mesaMajor, &major, &minor)) { return GR_GL_VER(major, minor); } else { return 0; } } n = sscanf(versionString, "%d.%d", &major, &minor); if (2 == n) { return GR_GL_VER(major, minor); } char profile[2]; n = sscanf(versionString, "OpenGL ES-%c%c %d.%d", profile, profile+1, &major, &minor); if (4 == n) { return GR_GL_VER(major, minor); } n = sscanf(versionString, "OpenGL ES %d.%d", &major, &minor); if (2 == n) { return GR_GL_VER(major, minor); } return 0; }
void GrGLCaps::initFSAASupport(const GrGLContextInfo& ctxInfo) { fMSFBOType = kNone_MSFBOType; if (kDesktop_GrGLBinding != ctxInfo.binding()) { if (ctxInfo.hasExtension("GL_CHROMIUM_framebuffer_multisample")) { // chrome's extension is equivalent to the EXT msaa // and fbo_blit extensions. fMSFBOType = kDesktopEXT_MSFBOType; } else if (ctxInfo.hasExtension("GL_APPLE_framebuffer_multisample")) { fMSFBOType = kAppleES_MSFBOType; } } else { if ((ctxInfo.version() >= GR_GL_VER(3,0)) || ctxInfo.hasExtension("GL_ARB_framebuffer_object")) { fMSFBOType = GrGLCaps::kDesktopARB_MSFBOType; } else if (ctxInfo.hasExtension("GL_EXT_framebuffer_multisample") && ctxInfo.hasExtension("GL_EXT_framebuffer_blit")) { fMSFBOType = GrGLCaps::kDesktopEXT_MSFBOType; } // TODO: We could populate fMSAACoverageModes using GetInternalformativ // on GL 4.2+. It's format-specific, though. See also // http://code.google.com/p/skia/issues/detail?id=470 about using actual // rather than requested sample counts in cache key. if (ctxInfo.hasExtension("GL_NV_framebuffer_multisample_coverage")) { fCoverageAAType = kNVDesktop_CoverageAAType; GrGLint count; GR_GL_GetIntegerv(ctxInfo.interface(), GR_GL_MAX_MULTISAMPLE_COVERAGE_MODES, &count); fMSAACoverageModes.setCount(count); GR_GL_GetIntegerv(ctxInfo.interface(), GR_GL_MULTISAMPLE_COVERAGE_MODES, (int*)&fMSAACoverageModes[0]); // The NV driver seems to return the modes already sorted but the // spec doesn't require this. So we sort. SkQSortCompareProc compareProc = reinterpret_cast<SkQSortCompareProc>(&coverage_mode_compare); SkQSort(&fMSAACoverageModes[0], count, sizeof(MSAACoverageMode), compareProc); } } if (kNone_MSFBOType != fMSFBOType) { GR_GL_GetIntegerv(ctxInfo.interface(), GR_GL_MAX_SAMPLES, &fMaxSampleCount); } }
std::unique_ptr<sk_gpu_test::FenceSync> GLFenceSync::MakeIfSupported( const sk_gpu_test::GLTestContext* ctx) { std::unique_ptr<FenceSync> ret; if (kGL_GrGLStandard == ctx->gl()->fStandard) { if (GrGLGetVersion(ctx->gl()) < GR_GL_VER(3,2) && !ctx->gl()->hasExtension("GL_ARB_sync")) { return nullptr; } ret.reset(new GLFenceSync(ctx)); } else { if (ctx->gl()->hasExtension("GL_APPLE_sync")) { ret.reset(new GLFenceSync(ctx, "APPLE")); } else if (ctx->gl()->hasExtension("GL_NV_fence")) { ret.reset(new GLNVFenceSync(ctx)); } else if (GrGLGetVersion(ctx->gl()) >= GR_GL_VER(3, 0)) { ret.reset(new GLFenceSync(ctx)); } else { return nullptr; } } if (!ret->validate()) { ret = nullptr; } return ret; }
bool GrGLGetGLSLGeneration(const GrGLInterface* gl, GrGLSLGeneration* generation) { SkASSERT(generation); GrGLSLVersion ver = GrGLGetGLSLVersion(gl); if (GR_GLSL_INVALID_VER == ver) { return false; } switch (gl->fStandard) { case kGL_GrGLStandard: SkASSERT(ver >= GR_GLSL_VER(1,10)); if (ver >= GR_GLSL_VER(4,20)) { *generation = k420_GrGLSLGeneration; } else if (ver >= GR_GLSL_VER(4,00)) { *generation = k400_GrGLSLGeneration; } else if (ver >= GR_GLSL_VER(3,30)) { *generation = k330_GrGLSLGeneration; } else if (ver >= GR_GLSL_VER(1,50)) { *generation = k150_GrGLSLGeneration; } else if (ver >= GR_GLSL_VER(1,40)) { *generation = k140_GrGLSLGeneration; } else if (ver >= GR_GLSL_VER(1,30)) { *generation = k130_GrGLSLGeneration; } else { *generation = k110_GrGLSLGeneration; } return true; case kGLES_GrGLStandard: SkASSERT(ver >= GR_GL_VER(1,00)); if (ver >= GR_GLSL_VER(3,20)) { *generation = k320es_GrGLSLGeneration; } else if (ver >= GR_GLSL_VER(3,10)) { *generation = k310es_GrGLSLGeneration; } else if (ver >= GR_GLSL_VER(3,00)) { *generation = k330_GrGLSLGeneration; } else { *generation = k110_GrGLSLGeneration; } return true; default: SK_ABORT("Unknown GL Standard"); return false; } }
void GrGLCaps::initFSAASupport(const GrGLContextInfo& ctxInfo) { fMSFBOType = kNone_MSFBOType; if (kDesktop_GrGLBinding != ctxInfo.binding()) { if (ctxInfo.hasExtension("GL_CHROMIUM_framebuffer_multisample")) { // chrome's extension is equivalent to the EXT msaa // and fbo_blit extensions. fMSFBOType = kDesktopEXT_MSFBOType; } else if (ctxInfo.hasExtension("GL_APPLE_framebuffer_multisample")) { fMSFBOType = kAppleES_MSFBOType; } } else { if ((ctxInfo.version() >= GR_GL_VER(3,0)) || ctxInfo.hasExtension("GL_ARB_framebuffer_object")) { fMSFBOType = GrGLCaps::kDesktopARB_MSFBOType; } else if (ctxInfo.hasExtension("GL_EXT_framebuffer_multisample") && ctxInfo.hasExtension("GL_EXT_framebuffer_blit")) { fMSFBOType = GrGLCaps::kDesktopEXT_MSFBOType; } } }
GrGLSLGeneration GrGetGLSLGeneration(GrGLBinding binding, const GrGLInterface* gl) { GrGLSLVersion ver = GrGLGetGLSLVersion(gl); switch (binding) { case kDesktop_GrGLBinding: GrAssert(ver >= GR_GLSL_VER(1,10)); if (ver >= GR_GLSL_VER(1,50)) { return k150_GrGLSLGeneration; } else if (ver >= GR_GLSL_VER(1,30)) { return k130_GrGLSLGeneration; } else { return k110_GrGLSLGeneration; } case kES2_GrGLBinding: // version 1.00 of ES GLSL based on ver 1.20 of desktop GLSL GrAssert(ver >= GR_GL_VER(1,00)); return k110_GrGLSLGeneration; default: GrCrash("Unknown GL Binding"); return k110_GrGLSLGeneration; // suppress warning } }
const GrGLInterface* GrGLCreateNativeInterface() { if (NULL != glXGetCurrentContext()) { const char* versionString = (const char*) glGetString(GL_VERSION); const char* extString = (const char*) glGetString(GL_EXTENSIONS); GrGLVersion glVer = GrGLGetVersionFromString(versionString); if (glVer < GR_GL_VER(1,5)) { // We must have array and element_array buffer objects. return NULL; } GrGLInterface* interface = new GrGLInterface(); interface->fActiveTexture = glActiveTexture; GR_GL_GET_PROC(AttachShader); GR_GL_GET_PROC(BindAttribLocation); GR_GL_GET_PROC(BindBuffer); GR_GL_GET_PROC(BindFragDataLocation); GR_GL_GET_PROC(BeginQuery); interface->fBindTexture = glBindTexture; interface->fBlendFunc = glBlendFunc; if (glVer >= GR_GL_VER(1,4) || GrGLHasExtensionFromString("GL_ARB_imaging", extString)) { GR_GL_GET_PROC(BlendColor); GR_GL_GET_PROC(BlendEquation); } else { if (GrGLHasExtensionFromString("GL_EXT_blend_color", extString)) { GR_GL_GET_PROC_SUFFIX(BlendColor, EXT); } if (GrGLHasExtensionFromString("GL_EXT_blend_minmax", extString) || GrGLHasExtensionFromString("GL_EXT_blend_subtract", extString)) { GR_GL_GET_PROC_SUFFIX(BlendEquation, EXT); } } GR_GL_GET_PROC(BufferData); GR_GL_GET_PROC(BufferSubData); interface->fClear = glClear; interface->fClearColor = glClearColor; interface->fClearStencil = glClearStencil; interface->fColorMask = glColorMask; interface->fColorPointer = glColorPointer; GR_GL_GET_PROC(CompileShader); interface->fCompressedTexImage2D = glCompressedTexImage2D; GR_GL_GET_PROC(CreateProgram); GR_GL_GET_PROC(CreateShader); interface->fCullFace = glCullFace; GR_GL_GET_PROC(DeleteBuffers); GR_GL_GET_PROC(DeleteProgram); GR_GL_GET_PROC(DeleteQueries); GR_GL_GET_PROC(DeleteShader); interface->fDeleteTextures = glDeleteTextures; interface->fDepthMask = glDepthMask; interface->fDisable = glDisable; GR_GL_GET_PROC(DisableVertexAttribArray); interface->fDrawArrays = glDrawArrays; interface->fDrawBuffer = glDrawBuffer; GR_GL_GET_PROC(DrawBuffers); interface->fDrawElements = glDrawElements; interface->fEnable = glEnable; GR_GL_GET_PROC(EnableVertexAttribArray); GR_GL_GET_PROC(EndQuery); interface->fFinish = glFinish; interface->fFlush = glFlush; interface->fFrontFace = glFrontFace; GR_GL_GET_PROC(GenBuffers); GR_GL_GET_PROC(GetBufferParameteriv); interface->fGetError = glGetError; interface->fGetIntegerv = glGetIntegerv; GR_GL_GET_PROC(GetQueryObjectiv); GR_GL_GET_PROC(GetQueryObjectuiv); if (glVer >= GR_GL_VER(3,3) || GrGLHasExtensionFromString("GL_ARB_timer_query", extString)) { GR_GL_GET_PROC(GetQueryObjecti64v); GR_GL_GET_PROC(GetQueryObjectui64v); GR_GL_GET_PROC(QueryCounter); } else if (GrGLHasExtensionFromString("GL_EXT_timer_query", extString)) { GR_GL_GET_PROC_SUFFIX(GetQueryObjecti64v, EXT); GR_GL_GET_PROC_SUFFIX(GetQueryObjectui64v, EXT); } GR_GL_GET_PROC(GetQueryiv); GR_GL_GET_PROC(GetProgramInfoLog); GR_GL_GET_PROC(GetProgramiv); GR_GL_GET_PROC(GetShaderInfoLog); GR_GL_GET_PROC(GetShaderiv); interface->fGetString = glGetString; interface->fGetTexLevelParameteriv = glGetTexLevelParameteriv; GR_GL_GET_PROC(GenQueries); interface->fGenTextures = glGenTextures; GR_GL_GET_PROC(GetUniformLocation); interface->fLineWidth = glLineWidth; GR_GL_GET_PROC(LinkProgram); GR_GL_GET_PROC(MapBuffer); interface->fPixelStorei = glPixelStorei; interface->fReadBuffer = glReadBuffer; interface->fReadPixels = glReadPixels; if (GrGLHasExtensionFromString("GL_NV_framebuffer_multisample_coverage", extString)) { GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisampleCoverage, NV); } interface->fScissor = glScissor; GR_GL_GET_PROC(ShaderSource); interface->fStencilFunc = glStencilFunc; GR_GL_GET_PROC(StencilFuncSeparate); interface->fStencilMask = glStencilMask; GR_GL_GET_PROC(StencilMaskSeparate); interface->fStencilOp = glStencilOp; GR_GL_GET_PROC(StencilOpSeparate); interface->fTexImage2D = glTexImage2D; interface->fTexParameteri = glTexParameteri; if (glVer >= GR_GL_VER(4,2) || GrGLHasExtensionFromString("GL_ARB_texture_storage", extString)) { GR_GL_GET_PROC(TexStorage2D); } else if (GrGLHasExtensionFromString("GL_EXT_texture_storage", extString)) { GR_GL_GET_PROC_SUFFIX(TexStorage2D, EXT); } interface->fTexSubImage2D = glTexSubImage2D; GR_GL_GET_PROC(Uniform1f); GR_GL_GET_PROC(Uniform1i); GR_GL_GET_PROC(Uniform1fv); GR_GL_GET_PROC(Uniform1iv); GR_GL_GET_PROC(Uniform2f); GR_GL_GET_PROC(Uniform2i); GR_GL_GET_PROC(Uniform2fv); GR_GL_GET_PROC(Uniform2iv); GR_GL_GET_PROC(Uniform3f); GR_GL_GET_PROC(Uniform3i); GR_GL_GET_PROC(Uniform3fv); GR_GL_GET_PROC(Uniform3iv); GR_GL_GET_PROC(Uniform4f); GR_GL_GET_PROC(Uniform4i); GR_GL_GET_PROC(Uniform4fv); GR_GL_GET_PROC(Uniform4iv); GR_GL_GET_PROC(UniformMatrix2fv); GR_GL_GET_PROC(UniformMatrix3fv); GR_GL_GET_PROC(UniformMatrix4fv); GR_GL_GET_PROC(UnmapBuffer); GR_GL_GET_PROC(UseProgram); GR_GL_GET_PROC(VertexAttrib4fv); GR_GL_GET_PROC(VertexAttribPointer); interface->fViewport = glViewport; GR_GL_GET_PROC(BindFragDataLocationIndexed); // First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since // GL_ARB_framebuffer_object doesn't use ARB suffix.) if (glVer >= GR_GL_VER(3,0) || GrGLHasExtensionFromString("GL_ARB_framebuffer_object", extString)) { GR_GL_GET_PROC(GenFramebuffers); GR_GL_GET_PROC(GetFramebufferAttachmentParameteriv); GR_GL_GET_PROC(GetRenderbufferParameteriv); GR_GL_GET_PROC(BindFramebuffer); GR_GL_GET_PROC(FramebufferTexture2D); GR_GL_GET_PROC(CheckFramebufferStatus); GR_GL_GET_PROC(DeleteFramebuffers); GR_GL_GET_PROC(RenderbufferStorage); GR_GL_GET_PROC(GenRenderbuffers); GR_GL_GET_PROC(DeleteRenderbuffers); GR_GL_GET_PROC(FramebufferRenderbuffer); GR_GL_GET_PROC(BindRenderbuffer); GR_GL_GET_PROC(RenderbufferStorageMultisample); GR_GL_GET_PROC(BlitFramebuffer); } else if (GrGLHasExtensionFromString("GL_EXT_framebuffer_object", extString)) { GR_GL_GET_PROC_SUFFIX(GenFramebuffers, EXT); GR_GL_GET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT); GR_GL_GET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT); GR_GL_GET_PROC_SUFFIX(BindFramebuffer, EXT); GR_GL_GET_PROC_SUFFIX(FramebufferTexture2D, EXT); GR_GL_GET_PROC_SUFFIX(CheckFramebufferStatus, EXT); GR_GL_GET_PROC_SUFFIX(DeleteFramebuffers, EXT); GR_GL_GET_PROC_SUFFIX(RenderbufferStorage, EXT); GR_GL_GET_PROC_SUFFIX(GenRenderbuffers, EXT); GR_GL_GET_PROC_SUFFIX(DeleteRenderbuffers, EXT); GR_GL_GET_PROC_SUFFIX(FramebufferRenderbuffer, EXT); GR_GL_GET_PROC_SUFFIX(BindRenderbuffer, EXT); if (GrGLHasExtensionFromString("GL_EXT_framebuffer_multisample", extString)) { GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT); } if (GrGLHasExtensionFromString("GL_EXT_framebuffer_blit", extString)) { GR_GL_GET_PROC_SUFFIX(BlitFramebuffer, EXT); } } else { // we must have FBOs delete interface; return NULL; } interface->fBindingsExported = kDesktop_GrGLBinding; return interface; } else { return NULL; } }
const GrGLInterface* GrGLCreateNativeInterface() { // The gl functions are not context-specific so we create one global // interface static SkAutoTUnref<GrGLInterface> glInterface; if (!glInterface.get()) { GrGLInterface* interface = new GrGLInterface; glInterface.reset(interface); const char* verStr = (const char*) glGetString(GL_VERSION); GrGLVersion ver = GrGLGetVersionFromString(verStr); const char* extStr = (const char*) glGetString(GL_EXTENSIONS); interface->fBindingsExported = kDesktop_GrGLBinding; interface->fActiveTexture = glActiveTexture; interface->fAttachShader = glAttachShader; interface->fBeginQuery = glBeginQuery; interface->fBindAttribLocation = glBindAttribLocation; interface->fBindBuffer = glBindBuffer; if (ver >= GR_GL_VER(3,0)) { #if GL_VERSION_3_0 interface->fBindFragDataLocation = glBindFragDataLocation; #else interface->fBindFragDataLocation = GET_PROC(BindFragDataLocation); #endif } interface->fBindTexture = glBindTexture; interface->fBlendFunc = glBlendFunc; if (ver >= GR_GL_VER(1,4)) { interface->fBlendColor = glBlendColor; } else if (GrGLHasExtensionFromString("GL_ARB_imaging", extStr) || GrGLHasExtensionFromString("GL_EXT_blend_color", extStr)) { GET_PROC(BlendColor); } interface->fBufferData = glBufferData; interface->fBufferSubData = glBufferSubData; interface->fClear = glClear; interface->fClearColor = glClearColor; interface->fClearStencil = glClearStencil; interface->fColorMask = glColorMask; interface->fCompileShader = glCompileShader; interface->fCompressedTexImage2D = glCompressedTexImage2D; interface->fCreateProgram = glCreateProgram; interface->fCreateShader = glCreateShader; interface->fCullFace = glCullFace; interface->fDeleteBuffers = glDeleteBuffers; interface->fDeleteProgram = glDeleteProgram; interface->fDeleteQueries = glDeleteQueries; interface->fDeleteShader = glDeleteShader; interface->fDeleteTextures = glDeleteTextures; interface->fDepthMask = glDepthMask; interface->fDisable = glDisable; interface->fDisableVertexAttribArray = glDisableVertexAttribArray; interface->fDrawArrays = glDrawArrays; interface->fDrawBuffer = glDrawBuffer; interface->fDrawBuffers = glDrawBuffers; interface->fDrawElements = glDrawElements; interface->fEnable = glEnable; interface->fEnableVertexAttribArray = glEnableVertexAttribArray; interface->fEndQuery = glEndQuery; interface->fFinish = glFinish; interface->fFlush = glFlush; interface->fFrontFace = glFrontFace; interface->fGenBuffers = glGenBuffers; interface->fGenQueries = glGenQueries; interface->fGetBufferParameteriv = glGetBufferParameteriv; interface->fGetError = glGetError; interface->fGetIntegerv = glGetIntegerv; interface->fGetProgramInfoLog = glGetProgramInfoLog; interface->fGetProgramiv = glGetProgramiv; interface->fGetQueryiv = glGetQueryiv; interface->fGetQueryObjectiv = glGetQueryObjectiv; interface->fGetQueryObjectuiv = glGetQueryObjectuiv; interface->fGetShaderInfoLog = glGetShaderInfoLog; interface->fGetShaderiv = glGetShaderiv; interface->fGetString = glGetString; interface->fGetTexLevelParameteriv = glGetTexLevelParameteriv; interface->fGenTextures = glGenTextures; interface->fGetUniformLocation = glGetUniformLocation; interface->fLineWidth = glLineWidth; interface->fLinkProgram = glLinkProgram; interface->fMapBuffer = glMapBuffer; interface->fPixelStorei = glPixelStorei; interface->fReadBuffer = glReadBuffer; interface->fReadPixels = glReadPixels; interface->fScissor = glScissor; interface->fShaderSource = glShaderSource; interface->fStencilFunc = glStencilFunc; interface->fStencilFuncSeparate = glStencilFuncSeparate; interface->fStencilMask = glStencilMask; interface->fStencilMaskSeparate = glStencilMaskSeparate; interface->fStencilOp = glStencilOp; interface->fStencilOpSeparate = glStencilOpSeparate; // mac uses GLenum for internalFormat param (non-standard) // amounts to int vs. uint. interface->fTexImage2D = (GrGLTexImage2DProc)glTexImage2D; interface->fTexParameteri = glTexParameteri; interface->fTexParameteriv = glTexParameteriv; #if GL_ARB_texture_storage || GL_VERSION_4_2 interface->fTexStorage2D = glTexStorage2D #elif GL_EXT_texture_storage interface->fTexStorage2D = glTexStorage2DEXT; #else if (ver >= GR_GL_VER(4,2) || GrGLHasExtensionFromString("GL_ARB_texture_storage", extStr)) { GET_PROC(TexStorage2D); } else if (GrGLHasExtensionFromString("GL_EXT_texture_storage", extStr)) { GET_PROC_SUFFIX(TexStorage2D, EXT); } #endif interface->fTexSubImage2D = glTexSubImage2D; interface->fUniform1f = glUniform1f; interface->fUniform1i = glUniform1i; interface->fUniform1fv = glUniform1fv; interface->fUniform1iv = glUniform1iv; interface->fUniform2f = glUniform2f; interface->fUniform2i = glUniform2i; interface->fUniform2fv = glUniform2fv; interface->fUniform2iv = glUniform2iv; interface->fUniform3f = glUniform3f; interface->fUniform3i = glUniform3i; interface->fUniform3fv = glUniform3fv; interface->fUniform3iv = glUniform3iv; interface->fUniform4f = glUniform4f; interface->fUniform4i = glUniform4i; interface->fUniform4fv = glUniform4fv; interface->fUniform4iv = glUniform4iv; interface->fUniform4fv = glUniform4fv; interface->fUniformMatrix2fv = glUniformMatrix2fv; interface->fUniformMatrix3fv = glUniformMatrix3fv; interface->fUniformMatrix4fv = glUniformMatrix4fv; interface->fUnmapBuffer = glUnmapBuffer; interface->fUseProgram = glUseProgram; interface->fVertexAttrib4fv = glVertexAttrib4fv; interface->fVertexAttribPointer = glVertexAttribPointer; interface->fViewport = glViewport; if (ver >= GR_GL_VER(3,3) || GrGLHasExtensionFromString("GL_ARB_timer_query", extStr)) { // ARB extension doesn't use the ARB suffix on the function name #if GL_ARB_timer_query || GL_VERSION_3_3 interface->fQueryCounter = glQueryCounter; interface->fGetQueryObjecti64v = glGetQueryObjecti64v; interface->fGetQueryObjectui64v = glGetQueryObjectui64v; #else interface->fQueryCounter = GET_PROC(QueryCounter); interface->fGetQueryObjecti64v = GET_PROC(GetQueryObjecti64v); interface->fGetQueryObjectui64v = GET_PROC(GetQueryObjectui64v); #endif } else if (GrGLHasExtensionFromString("GL_EXT_timer_query", extStr)) { #if GL_EXT_timer_query interface->fGetQueryObjecti64v = glGetQueryObjecti64vEXT; interface->fGetQueryObjectui64v = glGetQueryObjectui64vEXT; #else interface->fGetQueryObjecti64v = GET_PROC_SUFFIX(GetQueryObjecti64v, EXT); interface->fGetQueryObjectui64v = GET_PROC_SUFFIX(GetQueryObjectui64v, EXT); #endif } if (ver >= GR_GL_VER(3,0) || GrGLHasExtensionFromString("GL_ARB_framebuffer_object", extStr)) { // ARB extension doesn't use the ARB suffix on the function names #if GL_VERSION_3_0 || GL_ARB_framebuffer_object interface->fGenFramebuffers = glGenFramebuffers; interface->fGetFramebufferAttachmentParameteriv = glGetFramebufferAttachmentParameteriv; interface->fGetRenderbufferParameteriv = glGetRenderbufferParameteriv; interface->fBindFramebuffer = glBindFramebuffer; interface->fFramebufferTexture2D = glFramebufferTexture2D; interface->fCheckFramebufferStatus = glCheckFramebufferStatus; interface->fDeleteFramebuffers = glDeleteFramebuffers; interface->fRenderbufferStorage = glRenderbufferStorage; interface->fGenRenderbuffers = glGenRenderbuffers; interface->fDeleteRenderbuffers = glDeleteRenderbuffers; interface->fFramebufferRenderbuffer = glFramebufferRenderbuffer; interface->fBindRenderbuffer = glBindRenderbuffer; interface->fRenderbufferStorageMultisample = glRenderbufferStorageMultisample; interface->fBlitFramebuffer = glBlitFramebuffer; #else interface->fGenFramebuffers = GET_PROC(GenFramebuffers); interface->fGetFramebufferAttachmentParameteriv = GET_PROC(GetFramebufferAttachmentParameteriv); interface->fGetRenderbufferParameteriv = GET_PROC(GetRenderbufferParameteriv); interface->fBindFramebuffer = GET_PROC(BindFramebuffer); interface->fFramebufferTexture2D = GET_PROC(FramebufferTexture2D); interface->fCheckFramebufferStatus = GET_PROC(CheckFramebufferStatus); interface->fDeleteFramebuffers = GET_PROC(DeleteFramebuffers); interface->fRenderbufferStorage = GET_PROC(RenderbufferStorage); interface->fGenRenderbuffers = GET_PROC(GenRenderbuffers); interface->fDeleteRenderbuffers = GET_PROC(DeleteRenderbuffers); interface->fFramebufferRenderbuffer = GET_PROC(FramebufferRenderbuffer); interface->fBindRenderbuffer = GET_PROC(BindRenderbuffer); interface->fRenderbufferStorageMultisample = GET_PROC(RenderbufferStorageMultisample); interface->fBlitFramebuffer = GET_PROC(BlitFramebuffer); #endif } else { if (GrGLHasExtensionFromString("GL_EXT_framebuffer_object", extStr)) { #if GL_EXT_framebuffer_object interface->fGenFramebuffers = glGenFramebuffersEXT; interface->fGetFramebufferAttachmentParameteriv = glGetFramebufferAttachmentParameterivEXT; interface->fGetRenderbufferParameteriv = glGetRenderbufferParameterivEXT; interface->fBindFramebuffer = glBindFramebufferEXT; interface->fFramebufferTexture2D = glFramebufferTexture2DEXT; interface->fCheckFramebufferStatus = glCheckFramebufferStatusEXT; interface->fDeleteFramebuffers = glDeleteFramebuffersEXT; interface->fRenderbufferStorage = glRenderbufferStorageEXT; interface->fGenRenderbuffers = glGenRenderbuffersEXT; interface->fDeleteRenderbuffers = glDeleteRenderbuffersEXT; interface->fFramebufferRenderbuffer = glFramebufferRenderbufferEXT; interface->fBindRenderbuffer = glBindRenderbufferEXT; #else interface->fGenFramebuffers = GET_PROC_SUFFIX(GenFramebuffers, EXT); interface->fGetFramebufferAttachmentParameteriv = GET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT); interface->fGetRenderbufferParameteriv = GET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT); interface->fBindFramebuffer = GET_PROC_SUFFIX(BindFramebuffer, EXT); interface->fFramebufferTexture2D = GET_PROC_SUFFIX(FramebufferTexture2D, EXT); interface->fCheckFramebufferStatus = GET_PROC_SUFFIX(CheckFramebufferStatus, EXT); interface->fDeleteFramebuffers = GET_PROC_SUFFIX(DeleteFramebuffers, EXT); interface->fRenderbufferStorage = GET_PROC_SUFFIX(RenderbufferStorage, EXT); interface->fGenRenderbuffers = GET_PROC_SUFFIX(GenRenderbuffers, EXT); interface->fDeleteRenderbuffers = GET_PROC_SUFFIX(DeleteRenderbuffers, EXT); interface->fFramebufferRenderbuffer = GET_PROC_SUFFIX(FramebufferRenderbuffer, EXT); interface->fBindRenderbuffer = GET_PROC_SUFFIX(BindRenderbuffer, EXT); #endif } if (GrGLHasExtensionFromString("GL_EXT_framebuffer_multisample", extStr)) { #if GL_EXT_framebuffer_multisample interface->fRenderbufferStorageMultisample = glRenderbufferStorageMultisampleEXT; #else interface->fRenderbufferStorageMultisample = GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT); #endif } if (GrGLHasExtensionFromString("", extStr)) { #if GL_EXT_framebuffer_blit interface->fBlitFramebuffer = glBlitFramebufferEXT; #else interface->fBlitFramebuffer = GET_PROC_SUFFIX(BlitFramebuffer, EXT); #endif } } if (ver >= GR_GL_VER(3,3) || GrGLHasExtensionFromString("GL_ARB_blend_func_extended", extStr)) { // ARB extension doesn't use the ARB suffix on the function name #if GL_VERSION_3_3 || GL_ARB_blend_func_extended interface->fBindFragDataLocationIndexed = glBindFragDataLocationIndexed; #else interface->fBindFragDataLocationIndexed = GET_PROC(BindFragDataLocationIndexed); #endif } interface->fBindingsExported = kDesktop_GrGLBinding; } glInterface.get()->ref(); return glInterface.get(); }
const GrGLInterface* GrGLAssembleGLInterface(void* ctx, GrGLGetProc get) { GET_PROC_LOCAL(GetString); GET_PROC_LOCAL(GetStringi); GET_PROC_LOCAL(GetIntegerv); // GetStringi may be nullptr depending on the GL version. if (nullptr == GetString || nullptr == GetIntegerv) { return nullptr; } const char* versionString = (const char*) GetString(GR_GL_VERSION); GrGLVersion glVer = GrGLGetVersionFromString(versionString); if (glVer < GR_GL_VER(1,5) || GR_GL_INVALID_VER == glVer) { // We must have array and element_array buffer objects. return nullptr; } GrEGLQueryStringProc queryString; GrEGLDisplay display; get_egl_query_and_display(&queryString, &display, ctx, get); GrGLExtensions extensions; if (!extensions.init(kGL_GrGLStandard, GetString, GetStringi, GetIntegerv, queryString, display)) { return nullptr; } GrGLInterface* interface = new GrGLInterface(); GrGLInterface::Functions* functions = &interface->fFunctions; GET_PROC(ActiveTexture); GET_PROC(AttachShader); GET_PROC(BindAttribLocation); GET_PROC(BindBuffer); if (glVer >= GR_GL_VER(3,0)) { GET_PROC(BindFragDataLocation); } GET_PROC(BeginQuery); GET_PROC(BindTexture); if (extensions.has("GL_KHR_blend_equation_advanced")) { GET_PROC_SUFFIX(BlendBarrier, KHR); } else if (extensions.has("GL_NV_blend_equation_advanced")) { GET_PROC_SUFFIX(BlendBarrier, NV); } if (glVer >= GR_GL_VER(1,4) || extensions.has("GL_ARB_imaging")) { GET_PROC(BlendColor); } else if (extensions.has("GL_EXT_blend_color")) { GET_PROC_SUFFIX(BlendColor, EXT); } if (glVer >= GR_GL_VER(1,4) || extensions.has("GL_ARB_imaging")) { GET_PROC(BlendEquation); } else if (extensions.has("GL_EXT_blend_subtract")) { GET_PROC_SUFFIX(BlendEquation, EXT); } GET_PROC(BlendFunc); GET_PROC(BufferData); GET_PROC(BufferSubData); GET_PROC(Clear); GET_PROC(ClearColor); GET_PROC(ClearStencil); GET_PROC(ColorMask); GET_PROC(CompileShader); GET_PROC(CompressedTexImage2D); GET_PROC(CompressedTexSubImage2D); GET_PROC(CopyTexSubImage2D); GET_PROC(CreateProgram); GET_PROC(CreateShader); GET_PROC(CullFace); GET_PROC(DeleteBuffers); GET_PROC(DeleteProgram); GET_PROC(DeleteQueries); GET_PROC(DeleteShader); GET_PROC(DeleteTextures); GET_PROC(DepthMask); GET_PROC(Disable); GET_PROC(DisableVertexAttribArray); GET_PROC(DrawArrays); GET_PROC(DrawBuffer); GET_PROC(DrawBuffers); GET_PROC(DrawElements); if (glVer >= GR_GL_VER(3,1) || extensions.has("GL_ARB_draw_instanced") || extensions.has("GL_EXT_draw_instanced")) { GET_PROC(DrawArraysInstanced); GET_PROC(DrawElementsInstanced); } if (glVer >= GR_GL_VER(4,0)) { // We don't use ARB_draw_indirect because it does not support a base instance. GET_PROC(DrawArraysIndirect); GET_PROC(DrawElementsIndirect); } GET_PROC(Enable); GET_PROC(EnableVertexAttribArray); GET_PROC(EndQuery); GET_PROC(Finish); GET_PROC(Flush); GET_PROC(FrontFace); GET_PROC(GenBuffers); GET_PROC(GenerateMipmap); GET_PROC(GetBufferParameteriv); GET_PROC(GetError); GET_PROC(GetIntegerv); GET_PROC(GetQueryObjectiv); GET_PROC(GetQueryObjectuiv); if (glVer >= GR_GL_VER(3,3) || extensions.has("GL_ARB_timer_query")) { GET_PROC(GetQueryObjecti64v); GET_PROC(GetQueryObjectui64v); GET_PROC(QueryCounter); } else if (extensions.has("GL_EXT_timer_query")) { GET_PROC_SUFFIX(GetQueryObjecti64v, EXT); GET_PROC_SUFFIX(GetQueryObjectui64v, EXT); } GET_PROC(GetQueryiv); GET_PROC(GetProgramInfoLog); GET_PROC(GetProgramiv); GET_PROC(GetShaderInfoLog); GET_PROC(GetShaderiv); GET_PROC(GetString); GET_PROC(GetStringi); GET_PROC(GetShaderPrecisionFormat); GET_PROC(GetTexLevelParameteriv); GET_PROC(GenQueries); GET_PROC(GenTextures); GET_PROC(GetUniformLocation); GET_PROC(IsTexture); GET_PROC(LineWidth); GET_PROC(LinkProgram); GET_PROC(MapBuffer); GET_PROC(PixelStorei); if (extensions.has("GL_EXT_raster_multisample")) { GET_PROC_SUFFIX(RasterSamples, EXT); } GET_PROC(ReadBuffer); GET_PROC(ReadPixels); GET_PROC(Scissor); GET_PROC(ShaderSource); GET_PROC(StencilFunc); GET_PROC(StencilFuncSeparate); GET_PROC(StencilMask); GET_PROC(StencilMaskSeparate); GET_PROC(StencilOp); GET_PROC(StencilOpSeparate); GET_PROC(TexImage2D); GET_PROC(TexParameteri); GET_PROC(TexParameteriv); if (glVer >= GR_GL_VER(4,2) || extensions.has("GL_ARB_texture_storage")) { GET_PROC(TexStorage2D); } else if (extensions.has("GL_EXT_texture_storage")) { GET_PROC_SUFFIX(TexStorage2D, EXT); } GET_PROC(TexSubImage2D); if (glVer >= GR_GL_VER(4,5) || extensions.has("GL_ARB_texture_barrier")) { GET_PROC(TextureBarrier); } else if (extensions.has("GL_NV_texture_barrier")) { GET_PROC_SUFFIX(TextureBarrier, NV); } GET_PROC(Uniform1f); GET_PROC(Uniform1i); GET_PROC(Uniform1fv); GET_PROC(Uniform1iv); GET_PROC(Uniform2f); GET_PROC(Uniform2i); GET_PROC(Uniform2fv); GET_PROC(Uniform2iv); GET_PROC(Uniform3f); GET_PROC(Uniform3i); GET_PROC(Uniform3fv); GET_PROC(Uniform3iv); GET_PROC(Uniform4f); GET_PROC(Uniform4i); GET_PROC(Uniform4fv); GET_PROC(Uniform4iv); GET_PROC(UniformMatrix2fv); GET_PROC(UniformMatrix3fv); GET_PROC(UniformMatrix4fv); GET_PROC(UnmapBuffer); GET_PROC(UseProgram); GET_PROC(VertexAttrib1f); GET_PROC(VertexAttrib2fv); GET_PROC(VertexAttrib3fv); GET_PROC(VertexAttrib4fv); if (glVer >= GR_GL_VER(3,2) || extensions.has("GL_ARB_instanced_arrays")) { GET_PROC(VertexAttribDivisor); } if (glVer >= GR_GL_VER(3,0)) { GET_PROC(VertexAttribIPointer); } GET_PROC(VertexAttribPointer); GET_PROC(Viewport); GET_PROC(BindFragDataLocationIndexed); if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_vertex_array_object")) { // no ARB suffix for GL_ARB_vertex_array_object GET_PROC(BindVertexArray); GET_PROC(GenVertexArrays); GET_PROC(DeleteVertexArrays); } else if (extensions.has("GL_APPLE_vertex_array_object")) { GET_PROC_SUFFIX(BindVertexArray, APPLE); GET_PROC_SUFFIX(GenVertexArrays, APPLE); GET_PROC_SUFFIX(DeleteVertexArrays, APPLE); } if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_map_buffer_range")) { GET_PROC(MapBufferRange); GET_PROC(FlushMappedBufferRange); } // First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since // GL_ARB_framebuffer_object doesn't use ARB suffix.) if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_framebuffer_object")) { GET_PROC(GenFramebuffers); GET_PROC(GetFramebufferAttachmentParameteriv); GET_PROC(GetRenderbufferParameteriv); GET_PROC(BindFramebuffer); GET_PROC(FramebufferTexture2D); GET_PROC(CheckFramebufferStatus); GET_PROC(DeleteFramebuffers); GET_PROC(RenderbufferStorage); GET_PROC(GenRenderbuffers); GET_PROC(DeleteRenderbuffers); GET_PROC(FramebufferRenderbuffer); GET_PROC(BindRenderbuffer); GET_PROC(RenderbufferStorageMultisample); GET_PROC(BlitFramebuffer); } else if (extensions.has("GL_EXT_framebuffer_object")) { GET_PROC_SUFFIX(GenFramebuffers, EXT); GET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT); GET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT); GET_PROC_SUFFIX(BindFramebuffer, EXT); GET_PROC_SUFFIX(FramebufferTexture2D, EXT); GET_PROC_SUFFIX(CheckFramebufferStatus, EXT); GET_PROC_SUFFIX(DeleteFramebuffers, EXT); GET_PROC_SUFFIX(RenderbufferStorage, EXT); GET_PROC_SUFFIX(GenRenderbuffers, EXT); GET_PROC_SUFFIX(DeleteRenderbuffers, EXT); GET_PROC_SUFFIX(FramebufferRenderbuffer, EXT); GET_PROC_SUFFIX(BindRenderbuffer, EXT); if (extensions.has("GL_EXT_framebuffer_multisample")) { GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT); } if (extensions.has("GL_EXT_framebuffer_blit")) { GET_PROC_SUFFIX(BlitFramebuffer, EXT); } } else { // we must have FBOs delete interface; return nullptr; } if (extensions.has("GL_NV_path_rendering")) { GET_PROC_SUFFIX(MatrixLoadf, EXT); GET_PROC_SUFFIX(MatrixLoadIdentity, EXT); GET_PROC_SUFFIX(PathCommands, NV); GET_PROC_SUFFIX(PathParameteri, NV); GET_PROC_SUFFIX(PathParameterf, NV); GET_PROC_SUFFIX(GenPaths, NV); GET_PROC_SUFFIX(DeletePaths, NV); GET_PROC_SUFFIX(IsPath, NV); GET_PROC_SUFFIX(PathStencilFunc, NV); GET_PROC_SUFFIX(StencilFillPath, NV); GET_PROC_SUFFIX(StencilStrokePath, NV); GET_PROC_SUFFIX(StencilFillPathInstanced, NV); GET_PROC_SUFFIX(StencilStrokePathInstanced, NV); GET_PROC_SUFFIX(CoverFillPath, NV); GET_PROC_SUFFIX(CoverStrokePath, NV); GET_PROC_SUFFIX(CoverFillPathInstanced, NV); GET_PROC_SUFFIX(CoverStrokePathInstanced, NV); GET_PROC_SUFFIX(StencilThenCoverFillPath, NV); GET_PROC_SUFFIX(StencilThenCoverStrokePath, NV); GET_PROC_SUFFIX(StencilThenCoverFillPathInstanced, NV); GET_PROC_SUFFIX(StencilThenCoverStrokePathInstanced, NV); GET_PROC_SUFFIX(ProgramPathFragmentInputGen, NV); } if (extensions.has("GL_NV_framebuffer_mixed_samples")) { GET_PROC_SUFFIX(CoverageModulation, NV); } if (extensions.has("GL_EXT_debug_marker")) { GET_PROC_SUFFIX(InsertEventMarker, EXT); GET_PROC_SUFFIX(PushGroupMarker, EXT); GET_PROC_SUFFIX(PopGroupMarker, EXT); } if (glVer >= GR_GL_VER(4,3) || extensions.has("GL_ARB_invalidate_subdata")) { GET_PROC(InvalidateBufferData); GET_PROC(InvalidateBufferSubData); GET_PROC(InvalidateFramebuffer); GET_PROC(InvalidateSubFramebuffer); GET_PROC(InvalidateTexImage); GET_PROC(InvalidateTexSubImage); } if (glVer >= GR_GL_VER(4,3) || extensions.has("GL_ARB_program_interface_query")) { GET_PROC(GetProgramResourceLocation); } if (glVer >= GR_GL_VER(4,3)) { // We don't use ARB_multi_draw_indirect because it does not support GL_DRAW_INDIRECT_BUFFER. GET_PROC(MultiDrawArraysIndirect); GET_PROC(MultiDrawElementsIndirect); } if (extensions.has("GL_NV_bindless_texture")) { GET_PROC_SUFFIX(GetTextureHandle, NV); GET_PROC_SUFFIX(GetTextureSamplerHandle, NV); GET_PROC_SUFFIX(MakeTextureHandleResident, NV); GET_PROC_SUFFIX(MakeTextureHandleNonResident, NV); GET_PROC_SUFFIX(GetImageHandle, NV); GET_PROC_SUFFIX(MakeImageHandleResident, NV); GET_PROC_SUFFIX(MakeImageHandleNonResident, NV); GET_PROC_SUFFIX(IsTextureHandleResident, NV); GET_PROC_SUFFIX(IsImageHandleResident, NV); GET_PROC_SUFFIX(UniformHandleui64, NV); GET_PROC_SUFFIX(UniformHandleui64v, NV); GET_PROC_SUFFIX(ProgramUniformHandleui64, NV); GET_PROC_SUFFIX(ProgramUniformHandleui64v, NV); } if (extensions.has("GL_EXT_direct_state_access")) { GET_PROC_SUFFIX(TextureParameteri, EXT); GET_PROC_SUFFIX(TextureParameteriv, EXT); GET_PROC_SUFFIX(TextureParameterf, EXT); GET_PROC_SUFFIX(TextureParameterfv, EXT); GET_PROC_SUFFIX(TextureImage1D, EXT); GET_PROC_SUFFIX(TextureImage2D, EXT); GET_PROC_SUFFIX(TextureSubImage1D, EXT); GET_PROC_SUFFIX(TextureSubImage2D, EXT); GET_PROC_SUFFIX(CopyTextureImage1D, EXT); GET_PROC_SUFFIX(CopyTextureImage2D, EXT); GET_PROC_SUFFIX(CopyTextureSubImage1D, EXT); GET_PROC_SUFFIX(CopyTextureSubImage2D, EXT); GET_PROC_SUFFIX(GetTextureImage, EXT); GET_PROC_SUFFIX(GetTextureParameterfv, EXT); GET_PROC_SUFFIX(GetTextureParameteriv, EXT); GET_PROC_SUFFIX(GetTextureLevelParameterfv, EXT); GET_PROC_SUFFIX(GetTextureLevelParameteriv, EXT); if (glVer >= GR_GL_VER(1,2)) { GET_PROC_SUFFIX(TextureImage3D, EXT); GET_PROC_SUFFIX(TextureSubImage3D, EXT); GET_PROC_SUFFIX(CopyTextureSubImage3D, EXT); GET_PROC_SUFFIX(CompressedTextureImage3D, EXT); GET_PROC_SUFFIX(CompressedTextureImage2D, EXT); GET_PROC_SUFFIX(CompressedTextureImage1D, EXT); GET_PROC_SUFFIX(CompressedTextureSubImage3D, EXT); GET_PROC_SUFFIX(CompressedTextureSubImage2D, EXT); GET_PROC_SUFFIX(CompressedTextureSubImage1D, EXT); GET_PROC_SUFFIX(GetCompressedTextureImage, EXT); } if (glVer >= GR_GL_VER(1,5)) { GET_PROC_SUFFIX(NamedBufferData, EXT); GET_PROC_SUFFIX(NamedBufferSubData, EXT); GET_PROC_SUFFIX(MapNamedBuffer, EXT); GET_PROC_SUFFIX(UnmapNamedBuffer, EXT); GET_PROC_SUFFIX(GetNamedBufferParameteriv, EXT); GET_PROC_SUFFIX(GetNamedBufferPointerv, EXT); GET_PROC_SUFFIX(GetNamedBufferSubData, EXT); } if (glVer >= GR_GL_VER(2,0)) { GET_PROC_SUFFIX(ProgramUniform1f, EXT); GET_PROC_SUFFIX(ProgramUniform2f, EXT); GET_PROC_SUFFIX(ProgramUniform3f, EXT); GET_PROC_SUFFIX(ProgramUniform4f, EXT); GET_PROC_SUFFIX(ProgramUniform1i, EXT); GET_PROC_SUFFIX(ProgramUniform2i, EXT); GET_PROC_SUFFIX(ProgramUniform3i, EXT); GET_PROC_SUFFIX(ProgramUniform4i, EXT); GET_PROC_SUFFIX(ProgramUniform1fv, EXT); GET_PROC_SUFFIX(ProgramUniform2fv, EXT); GET_PROC_SUFFIX(ProgramUniform3fv, EXT); GET_PROC_SUFFIX(ProgramUniform4fv, EXT); GET_PROC_SUFFIX(ProgramUniform1iv, EXT); GET_PROC_SUFFIX(ProgramUniform2iv, EXT); GET_PROC_SUFFIX(ProgramUniform3iv, EXT); GET_PROC_SUFFIX(ProgramUniform4iv, EXT); GET_PROC_SUFFIX(ProgramUniformMatrix2fv, EXT); GET_PROC_SUFFIX(ProgramUniformMatrix3fv, EXT); GET_PROC_SUFFIX(ProgramUniformMatrix4fv, EXT); } if (glVer >= GR_GL_VER(2,1)) { GET_PROC_SUFFIX(ProgramUniformMatrix2x3fv, EXT); GET_PROC_SUFFIX(ProgramUniformMatrix3x2fv, EXT); GET_PROC_SUFFIX(ProgramUniformMatrix2x4fv, EXT); GET_PROC_SUFFIX(ProgramUniformMatrix4x2fv, EXT); GET_PROC_SUFFIX(ProgramUniformMatrix3x4fv, EXT); GET_PROC_SUFFIX(ProgramUniformMatrix4x3fv, EXT); } if (glVer >= GR_GL_VER(3,0)) { GET_PROC_SUFFIX(NamedRenderbufferStorage, EXT); GET_PROC_SUFFIX(GetNamedRenderbufferParameteriv, EXT); GET_PROC_SUFFIX(NamedRenderbufferStorageMultisample, EXT); GET_PROC_SUFFIX(CheckNamedFramebufferStatus, EXT); GET_PROC_SUFFIX(NamedFramebufferTexture1D, EXT); GET_PROC_SUFFIX(NamedFramebufferTexture2D, EXT); GET_PROC_SUFFIX(NamedFramebufferTexture3D, EXT); GET_PROC_SUFFIX(NamedFramebufferRenderbuffer, EXT); GET_PROC_SUFFIX(GetNamedFramebufferAttachmentParameteriv, EXT); GET_PROC_SUFFIX(GenerateTextureMipmap, EXT); GET_PROC_SUFFIX(FramebufferDrawBuffer, EXT); GET_PROC_SUFFIX(FramebufferDrawBuffers, EXT); GET_PROC_SUFFIX(FramebufferReadBuffer, EXT); GET_PROC_SUFFIX(GetFramebufferParameteriv, EXT); GET_PROC_SUFFIX(NamedCopyBufferSubData, EXT); GET_PROC_SUFFIX(VertexArrayVertexOffset, EXT); GET_PROC_SUFFIX(VertexArrayColorOffset, EXT); GET_PROC_SUFFIX(VertexArrayEdgeFlagOffset, EXT); GET_PROC_SUFFIX(VertexArrayIndexOffset, EXT); GET_PROC_SUFFIX(VertexArrayNormalOffset, EXT); GET_PROC_SUFFIX(VertexArrayTexCoordOffset, EXT); GET_PROC_SUFFIX(VertexArrayMultiTexCoordOffset, EXT); GET_PROC_SUFFIX(VertexArrayFogCoordOffset, EXT); GET_PROC_SUFFIX(VertexArraySecondaryColorOffset, EXT); GET_PROC_SUFFIX(VertexArrayVertexAttribOffset, EXT); GET_PROC_SUFFIX(VertexArrayVertexAttribIOffset, EXT); GET_PROC_SUFFIX(EnableVertexArray, EXT); GET_PROC_SUFFIX(DisableVertexArray, EXT); GET_PROC_SUFFIX(EnableVertexArrayAttrib, EXT); GET_PROC_SUFFIX(DisableVertexArrayAttrib, EXT); GET_PROC_SUFFIX(GetVertexArrayIntegerv, EXT); GET_PROC_SUFFIX(GetVertexArrayPointerv, EXT); GET_PROC_SUFFIX(GetVertexArrayIntegeri_v, EXT); GET_PROC_SUFFIX(GetVertexArrayPointeri_v, EXT); GET_PROC_SUFFIX(MapNamedBufferRange, EXT); GET_PROC_SUFFIX(FlushMappedNamedBufferRange, EXT); } } if (glVer >= GR_GL_VER(4,3) || extensions.has("GL_KHR_debug")) { // KHR_debug defines these methods to have no suffix in an OpenGL (not ES) context. GET_PROC(DebugMessageControl); GET_PROC(DebugMessageInsert); GET_PROC(DebugMessageCallback); GET_PROC(GetDebugMessageLog); GET_PROC(PushDebugGroup); GET_PROC(PopDebugGroup); GET_PROC(ObjectLabel); } if (extensions.has("EGL_KHR_image") || extensions.has("EGL_KHR_image_base")) { GET_EGL_PROC_SUFFIX(CreateImage, KHR); GET_EGL_PROC_SUFFIX(DestroyImage, KHR); } interface->fStandard = kGL_GrGLStandard; interface->fExtensions.swap(&extensions); return interface; }
bool GrGLInterface::validate(GrGLBinding binding) const { // kNone must be 0 so that the check we're about to do can never succeed if // binding == kNone. GR_STATIC_ASSERT(kNone_GrGLBinding == 0); if (0 == (binding & fBindingsExported)) { return false; } // functions that are always required if (NULL == fActiveTexture || NULL == fAttachShader || NULL == fBindAttribLocation || NULL == fBindBuffer || NULL == fBindTexture || NULL == fBlendFunc || NULL == fBufferData || NULL == fBufferSubData || NULL == fClear || NULL == fClearColor || NULL == fClearStencil || NULL == fColorMask || NULL == fCompileShader || NULL == fCreateProgram || NULL == fCreateShader || NULL == fCullFace || NULL == fDeleteBuffers || NULL == fDeleteProgram || NULL == fDeleteShader || NULL == fDeleteTextures || NULL == fDepthMask || NULL == fDisable || NULL == fDisableVertexAttribArray || NULL == fDrawArrays || NULL == fDrawElements || NULL == fEnable || NULL == fEnableVertexAttribArray || NULL == fFrontFace || NULL == fGenBuffers || NULL == fGenTextures || NULL == fGetBufferParameteriv || NULL == fGetError || NULL == fGetIntegerv || NULL == fGetProgramInfoLog || NULL == fGetProgramiv || NULL == fGetShaderInfoLog || NULL == fGetShaderiv || NULL == fGetString || NULL == fGetUniformLocation || NULL == fLinkProgram || NULL == fPixelStorei || NULL == fReadPixels || NULL == fScissor || NULL == fShaderSource || NULL == fStencilFunc || NULL == fStencilMask || NULL == fStencilOp || NULL == fTexImage2D || NULL == fTexParameteri || NULL == fTexSubImage2D || NULL == fUniform1f || NULL == fUniform1i || NULL == fUniform1fv || NULL == fUniform1iv || NULL == fUniform2f || NULL == fUniform2i || NULL == fUniform2fv || NULL == fUniform2iv || NULL == fUniform3f || NULL == fUniform3i || NULL == fUniform3fv || NULL == fUniform3iv || NULL == fUniform4f || NULL == fUniform4i || NULL == fUniform4fv || NULL == fUniform4iv || NULL == fUniformMatrix2fv || NULL == fUniformMatrix3fv || NULL == fUniformMatrix4fv || NULL == fUseProgram || NULL == fVertexAttrib4fv || NULL == fVertexAttribPointer || NULL == fViewport || NULL == fBindFramebuffer || NULL == fBindRenderbuffer || NULL == fCheckFramebufferStatus || NULL == fDeleteFramebuffers || NULL == fDeleteRenderbuffers || NULL == fFinish || NULL == fFlush || NULL == fFramebufferRenderbuffer || NULL == fFramebufferTexture2D || NULL == fGetFramebufferAttachmentParameteriv || NULL == fGetRenderbufferParameteriv || NULL == fGenFramebuffers || NULL == fGenRenderbuffers || NULL == fRenderbufferStorage) { return false; } const char* ext; GrGLVersion glVer = GrGLGetVersion(this); ext = (const char*)fGetString(GR_GL_EXTENSIONS); // Now check that baseline ES/Desktop fns not covered above are present // and that we have fn pointers for any advertised extensions 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 (kES2_GrGLBinding == binding) { if (NULL == fBlendColor || NULL == fStencilFuncSeparate || NULL == fStencilMaskSeparate || NULL == fStencilOpSeparate) { return false; } } else if (kDesktop_GrGLBinding == binding) { if (glVer >= GR_GL_VER(2,0)) { if (NULL == fStencilFuncSeparate || NULL == fStencilMaskSeparate || NULL == fStencilOpSeparate) { return false; } } if (glVer >= GR_GL_VER(3,0) && NULL == fBindFragDataLocation) { return false; } if (glVer >= GR_GL_VER(2,0) || GrGLHasExtensionFromString("GL_ARB_draw_buffers", ext)) { if (NULL == fDrawBuffers) { return false; } } if (glVer >= GR_GL_VER(1,4) || GrGLHasExtensionFromString("GL_EXT_blend_color", ext)) { if (NULL == fBlendColor) { return false; } } if (glVer >= GR_GL_VER(1,5) || GrGLHasExtensionFromString("GL_ARB_occlusion_query", ext)) { if (NULL == fGenQueries || NULL == fDeleteQueries || NULL == fBeginQuery || NULL == fEndQuery || NULL == fGetQueryiv || NULL == fGetQueryObjectiv || NULL == fGetQueryObjectuiv) { return false; } } if (glVer >= GR_GL_VER(3,3) || GrGLHasExtensionFromString("GL_ARB_timer_query", ext) || GrGLHasExtensionFromString("GL_EXT_timer_query", ext)) { if (NULL == fGetQueryObjecti64v || NULL == fGetQueryObjectui64v) { return false; } } if (glVer >= GR_GL_VER(3,3) || GrGLHasExtensionFromString("GL_ARB_timer_query", ext)) { if (NULL == fQueryCounter) { return false; } } } // optional function on desktop before 1.3 if (kDesktop_GrGLBinding != binding || (glVer >= GR_GL_VER(1,3) || GrGLHasExtensionFromString("GL_ARB_texture_compression", ext))) { if (NULL == fCompressedTexImage2D) { return false; } } // part of desktop GL, but not ES if (kDesktop_GrGLBinding == binding && (NULL == fLineWidth || NULL == fGetTexLevelParameteriv || NULL == fDrawBuffer || NULL == 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 (kDesktop_GrGLBinding == binding) { if (glVer >= GR_GL_VER(4,2) || GrGLHasExtensionFromString("GL_ARB_texture_storage", ext) || GrGLHasExtensionFromString("GL_EXT_texture_storage", ext)) { if (NULL == fTexStorage2D) { return false; } } } else if (GrGLHasExtensionFromString("GL_EXT_texture_storage", ext)) { if (NULL == fTexStorage2D) { return false; } } // FBO MSAA if (kDesktop_GrGLBinding == binding) { // GL 3.0 and the ARB extension have multisample + blit if (glVer >= GR_GL_VER(3,0) || GrGLHasExtensionFromString("GL_ARB_framebuffer_object", ext)) { if (NULL == fRenderbufferStorageMultisample || NULL == fBlitFramebuffer) { return false; } } else { if (GrGLHasExtensionFromString("GL_EXT_framebuffer_blit", ext) && NULL == fBlitFramebuffer) { return false; } if (GrGLHasExtensionFromString("GL_EXT_framebuffer_multisample", ext) && NULL == fRenderbufferStorageMultisample) { return false; } } } else { if (GrGLHasExtensionFromString("GL_CHROMIUM_framebuffer_multisample", ext)) { if (NULL == fRenderbufferStorageMultisample || NULL == fBlitFramebuffer) { return false; } } if (GrGLHasExtensionFromString("GL_APPLE_framebuffer_multisample", ext)) { if (NULL == fRenderbufferStorageMultisample || NULL == fResolveMultisampleFramebuffer) { return false; } } } // On ES buffer mapping is an extension. On Desktop // buffer mapping was part of original VBO extension // which we require. if (kDesktop_GrGLBinding == binding || GrGLHasExtensionFromString("GL_OES_mapbuffer", ext)) { if (NULL == fMapBuffer || NULL == fUnmapBuffer) { return false; } } // Dual source blending if (kDesktop_GrGLBinding == binding && (glVer >= GR_GL_VER(3,3) || GrGLHasExtensionFromString("GL_ARB_blend_func_extended", ext))) { if (NULL == fBindFragDataLocationIndexed) { return false; } } return true; }
const GrGLInterface* GrGLAssembleGLESInterface(void* ctx, GrGLGetProc get) { GET_PROC_LOCAL(GetString); if (nullptr == GetString) { return nullptr; } const char* verStr = reinterpret_cast<const char*>(GetString(GR_GL_VERSION)); GrGLVersion version = GrGLGetVersionFromString(verStr); if (version < GR_GL_VER(2,0)) { return nullptr; } GET_PROC_LOCAL(GetIntegerv); GET_PROC_LOCAL(GetStringi); GrEGLQueryStringProc queryString; GrEGLDisplay display; get_egl_query_and_display(&queryString, &display, ctx, get); GrGLExtensions extensions; if (!extensions.init(kGLES_GrGLStandard, GetString, GetStringi, GetIntegerv, queryString, display)) { return nullptr; } GrGLInterface* interface = new GrGLInterface; GrGLInterface::Functions* functions = &interface->fFunctions; GET_PROC(ActiveTexture); GET_PROC(AttachShader); GET_PROC(BindAttribLocation); GET_PROC(BindBuffer); GET_PROC(BindTexture); GET_PROC_SUFFIX(BindVertexArray, OES); if (version >= GR_GL_VER(3,0) && extensions.has("GL_EXT_blend_func_extended")) { GET_PROC_SUFFIX(BindFragDataLocation, EXT); GET_PROC_SUFFIX(BindFragDataLocationIndexed, EXT); } if (extensions.has("GL_KHR_blend_equation_advanced")) { GET_PROC_SUFFIX(BlendBarrier, KHR); } else if (extensions.has("GL_NV_blend_equation_advanced")) { GET_PROC_SUFFIX(BlendBarrier, NV); } GET_PROC(BlendColor); GET_PROC(BlendEquation); GET_PROC(BlendFunc); GET_PROC(BufferData); GET_PROC(BufferSubData); GET_PROC(Clear); GET_PROC(ClearColor); GET_PROC(ClearStencil); GET_PROC(ColorMask); GET_PROC(CompileShader); GET_PROC(CompressedTexImage2D); GET_PROC(CompressedTexSubImage2D); GET_PROC(CopyTexSubImage2D); GET_PROC(CreateProgram); GET_PROC(CreateShader); GET_PROC(CullFace); GET_PROC(DeleteBuffers); GET_PROC(DeleteProgram); GET_PROC(DeleteShader); GET_PROC(DeleteTextures); GET_PROC_SUFFIX(DeleteVertexArrays, OES); GET_PROC(DepthMask); GET_PROC(Disable); GET_PROC(DisableVertexAttribArray); GET_PROC(DrawArrays); if (version >= GR_GL_VER(3,0)) { GET_PROC(DrawArraysInstanced); GET_PROC(DrawElementsInstanced); } else if (extensions.has("GL_EXT_draw_instanced")) { GET_PROC_SUFFIX(DrawArraysInstanced, EXT); GET_PROC_SUFFIX(DrawElementsInstanced, EXT); } if (version >= GR_GL_VER(3,1)) { GET_PROC(DrawArraysIndirect); GET_PROC(DrawElementsIndirect); } GET_PROC(DrawElements); GET_PROC(Enable); GET_PROC(EnableVertexAttribArray); GET_PROC(Finish); GET_PROC(Flush); GET_PROC(FrontFace); GET_PROC(GenBuffers); GET_PROC(GenerateMipmap); GET_PROC(GenTextures); GET_PROC_SUFFIX(GenVertexArrays, OES); GET_PROC(GetBufferParameteriv); GET_PROC(GetError); GET_PROC(GetIntegerv); GET_PROC(GetProgramInfoLog); GET_PROC(GetProgramiv); GET_PROC(GetShaderInfoLog); GET_PROC(GetShaderPrecisionFormat); GET_PROC(GetShaderiv); GET_PROC(GetString); GET_PROC(GetStringi); GET_PROC(GetUniformLocation); GET_PROC(IsTexture); GET_PROC(LineWidth); GET_PROC(LinkProgram); GET_PROC(PixelStorei); if (extensions.has("GL_EXT_raster_multisample")) { GET_PROC_SUFFIX(RasterSamples, EXT); } GET_PROC(ReadPixels); GET_PROC(Scissor); GET_PROC(ShaderSource); GET_PROC(StencilFunc); GET_PROC(StencilFuncSeparate); GET_PROC(StencilMask); GET_PROC(StencilMaskSeparate); GET_PROC(StencilOp); GET_PROC(StencilOpSeparate); GET_PROC(TexImage2D); GET_PROC(TexParameteri); GET_PROC(TexParameteriv); GET_PROC(TexSubImage2D); if (version >= GR_GL_VER(3,0)) { GET_PROC(TexStorage2D); } else { GET_PROC_SUFFIX(TexStorage2D, EXT); } if (extensions.has("GL_NV_texture_barrier")) { GET_PROC_SUFFIX(TextureBarrier, NV); } GET_PROC_SUFFIX(DiscardFramebuffer, EXT); GET_PROC(Uniform1f); GET_PROC(Uniform1i); GET_PROC(Uniform1fv); GET_PROC(Uniform1iv); GET_PROC(Uniform2f); GET_PROC(Uniform2i); GET_PROC(Uniform2fv); GET_PROC(Uniform2iv); GET_PROC(Uniform3f); GET_PROC(Uniform3i); GET_PROC(Uniform3fv); GET_PROC(Uniform3iv); GET_PROC(Uniform4f); GET_PROC(Uniform4i); GET_PROC(Uniform4fv); GET_PROC(Uniform4iv); GET_PROC(UniformMatrix2fv); GET_PROC(UniformMatrix3fv); GET_PROC(UniformMatrix4fv); GET_PROC(UseProgram); GET_PROC(VertexAttrib1f); GET_PROC(VertexAttrib2fv); GET_PROC(VertexAttrib3fv); GET_PROC(VertexAttrib4fv); if (version >= GR_GL_VER(3,0)) { GET_PROC(VertexAttribDivisor); } else if (extensions.has("GL_EXT_instanced_arrays")) { GET_PROC_SUFFIX(VertexAttribDivisor, EXT); } if (version >= GR_GL_VER(3,0)) { GET_PROC(VertexAttribIPointer); } GET_PROC(VertexAttribPointer); GET_PROC(Viewport); GET_PROC(BindFramebuffer); GET_PROC(BindRenderbuffer); GET_PROC(CheckFramebufferStatus); GET_PROC(DeleteFramebuffers); GET_PROC(DeleteRenderbuffers); GET_PROC(FramebufferRenderbuffer); GET_PROC(FramebufferTexture2D); if (extensions.has("GL_CHROMIUM_framebuffer_multisample")) { GET_PROC_SUFFIX(RenderbufferStorageMultisample, CHROMIUM); GET_PROC_SUFFIX(BlitFramebuffer, CHROMIUM); } else if (version >= GR_GL_VER(3,0)) { GET_PROC(RenderbufferStorageMultisample); GET_PROC(BlitFramebuffer); } if (extensions.has("GL_CHROMIUM_map_sub")) { GET_PROC_SUFFIX(MapBufferSubData, CHROMIUM); GET_PROC_SUFFIX(MapTexSubImage2D, CHROMIUM); GET_PROC_SUFFIX(UnmapBufferSubData, CHROMIUM); GET_PROC_SUFFIX(UnmapTexSubImage2D, CHROMIUM); } if (extensions.has("GL_EXT_multisampled_render_to_texture")) { GET_PROC_SUFFIX(FramebufferTexture2DMultisample, EXT); functions->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStorageMultisampleProc) get(ctx, "glRenderbufferStorageMultisampleEXT"); } else if (extensions.has("GL_IMG_multisampled_render_to_texture")) { GET_PROC_SUFFIX(FramebufferTexture2DMultisample, IMG); functions->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStorageMultisampleProc) get(ctx, "glRenderbufferStorageMultisampleIMG"); } else if (extensions.has("GL_APPLE_framebuffer_multisample")) { functions->fRenderbufferStorageMultisampleES2APPLE = (GrGLRenderbufferStorageMultisampleProc) get(ctx, "glRenderbufferStorageMultisampleAPPLE"); GET_PROC_SUFFIX(ResolveMultisampleFramebuffer, APPLE); } GET_PROC(GenFramebuffers); GET_PROC(GenRenderbuffers); GET_PROC(GetFramebufferAttachmentParameteriv); GET_PROC(GetRenderbufferParameteriv); GET_PROC(RenderbufferStorage); GET_PROC_SUFFIX(MapBuffer, OES); GET_PROC_SUFFIX(UnmapBuffer, OES); if (version >= GR_GL_VER(3,0)) { GET_PROC(MapBufferRange); GET_PROC(FlushMappedBufferRange); } else if (extensions.has("GL_EXT_map_buffer_range")) { GET_PROC_SUFFIX(MapBufferRange, EXT); GET_PROC_SUFFIX(FlushMappedBufferRange, EXT); } if (extensions.has("GL_EXT_debug_marker")) { GET_PROC(InsertEventMarker); GET_PROC(PushGroupMarker); GET_PROC(PopGroupMarker); // The below check is here because a device has been found that has the extension string but // returns nullptr from the eglGetProcAddress for the functions if (nullptr == functions->fInsertEventMarker || nullptr == functions->fPushGroupMarker || nullptr == functions->fPopGroupMarker) { extensions.remove("GL_EXT_debug_marker"); } } GET_PROC(InvalidateFramebuffer); GET_PROC(InvalidateSubFramebuffer); GET_PROC(InvalidateBufferData); GET_PROC(InvalidateBufferSubData); GET_PROC(InvalidateTexImage); GET_PROC(InvalidateTexSubImage); if (version >= GR_GL_VER(3,1)) { GET_PROC(GetProgramResourceLocation); } if (extensions.has("GL_NV_path_rendering")) { GET_PROC_SUFFIX(MatrixLoadf, EXT); GET_PROC_SUFFIX(MatrixLoadIdentity, EXT); GET_PROC_SUFFIX(PathCommands, NV); GET_PROC_SUFFIX(PathParameteri, NV); GET_PROC_SUFFIX(PathParameterf, NV); GET_PROC_SUFFIX(GenPaths, NV); GET_PROC_SUFFIX(DeletePaths, NV); GET_PROC_SUFFIX(IsPath, NV); GET_PROC_SUFFIX(PathStencilFunc, NV); GET_PROC_SUFFIX(StencilFillPath, NV); GET_PROC_SUFFIX(StencilStrokePath, NV); GET_PROC_SUFFIX(StencilFillPathInstanced, NV); GET_PROC_SUFFIX(StencilStrokePathInstanced, NV); GET_PROC_SUFFIX(CoverFillPath, NV); GET_PROC_SUFFIX(CoverStrokePath, NV); GET_PROC_SUFFIX(CoverFillPathInstanced, NV); GET_PROC_SUFFIX(CoverStrokePathInstanced, NV); GET_PROC_SUFFIX(StencilThenCoverFillPath, NV); GET_PROC_SUFFIX(StencilThenCoverStrokePath, NV); GET_PROC_SUFFIX(StencilThenCoverFillPathInstanced, NV); GET_PROC_SUFFIX(StencilThenCoverStrokePathInstanced, NV); GET_PROC_SUFFIX(ProgramPathFragmentInputGen, NV); } if (extensions.has("GL_CHROMIUM_path_rendering")) { GET_PROC_SUFFIX(MatrixLoadf, CHROMIUM); GET_PROC_SUFFIX(MatrixLoadIdentity, CHROMIUM); GET_PROC_SUFFIX(PathCommands, CHROMIUM); GET_PROC_SUFFIX(PathParameteri, CHROMIUM); GET_PROC_SUFFIX(PathParameterf, CHROMIUM); GET_PROC_SUFFIX(GenPaths, CHROMIUM); GET_PROC_SUFFIX(DeletePaths, CHROMIUM); GET_PROC_SUFFIX(IsPath, CHROMIUM); GET_PROC_SUFFIX(PathStencilFunc, CHROMIUM); GET_PROC_SUFFIX(StencilFillPath, CHROMIUM); GET_PROC_SUFFIX(StencilStrokePath, CHROMIUM); GET_PROC_SUFFIX(StencilFillPathInstanced, CHROMIUM); GET_PROC_SUFFIX(StencilStrokePathInstanced, CHROMIUM); GET_PROC_SUFFIX(CoverFillPath, CHROMIUM); GET_PROC_SUFFIX(CoverStrokePath, CHROMIUM); GET_PROC_SUFFIX(CoverFillPathInstanced, CHROMIUM); GET_PROC_SUFFIX(CoverStrokePathInstanced, CHROMIUM); GET_PROC_SUFFIX(StencilThenCoverFillPath, CHROMIUM); GET_PROC_SUFFIX(StencilThenCoverStrokePath, CHROMIUM); GET_PROC_SUFFIX(StencilThenCoverFillPathInstanced, CHROMIUM); GET_PROC_SUFFIX(StencilThenCoverStrokePathInstanced, CHROMIUM); GET_PROC_SUFFIX(ProgramPathFragmentInputGen, CHROMIUM); // GL_CHROMIUM_path_rendering additions: GET_PROC_SUFFIX(BindFragmentInputLocation, CHROMIUM); } if (extensions.has("GL_NV_framebuffer_mixed_samples")) { GET_PROC_SUFFIX(CoverageModulation, NV); } if (extensions.has("GL_CHROMIUM_framebuffer_mixed_samples")) { GET_PROC_SUFFIX(CoverageModulation, CHROMIUM); } if (extensions.has("GL_EXT_multi_draw_indirect")) { GET_PROC_SUFFIX(MultiDrawArraysIndirect, EXT); GET_PROC_SUFFIX(MultiDrawElementsIndirect, EXT); } if (extensions.has("GL_NV_bindless_texture")) { GET_PROC_SUFFIX(GetTextureHandle, NV); GET_PROC_SUFFIX(GetTextureSamplerHandle, NV); GET_PROC_SUFFIX(MakeTextureHandleResident, NV); GET_PROC_SUFFIX(MakeTextureHandleNonResident, NV); GET_PROC_SUFFIX(GetImageHandle, NV); GET_PROC_SUFFIX(MakeImageHandleResident, NV); GET_PROC_SUFFIX(MakeImageHandleNonResident, NV); GET_PROC_SUFFIX(IsTextureHandleResident, NV); GET_PROC_SUFFIX(IsImageHandleResident, NV); GET_PROC_SUFFIX(UniformHandleui64, NV); GET_PROC_SUFFIX(UniformHandleui64v, NV); GET_PROC_SUFFIX(ProgramUniformHandleui64, NV); GET_PROC_SUFFIX(ProgramUniformHandleui64v, NV); } if (extensions.has("GL_KHR_debug")) { GET_PROC_SUFFIX(DebugMessageControl, KHR); GET_PROC_SUFFIX(DebugMessageInsert, KHR); GET_PROC_SUFFIX(DebugMessageCallback, KHR); GET_PROC_SUFFIX(GetDebugMessageLog, KHR); GET_PROC_SUFFIX(PushDebugGroup, KHR); GET_PROC_SUFFIX(PopDebugGroup, KHR); GET_PROC_SUFFIX(ObjectLabel, KHR); // In general we have a policy against removing extension strings when the driver does // not provide function pointers for an advertised extension. However, because there is a // known device that advertises GL_KHR_debug but fails to provide the functions and this is // a debugging- only extension we've made an exception. This also can happen when using // APITRACE. if (!interface->fFunctions.fDebugMessageControl) { extensions.remove("GL_KHR_debug"); } } if (extensions.has("GL_CHROMIUM_bind_uniform_location")) { GET_PROC_SUFFIX(BindUniformLocation, CHROMIUM); } if (extensions.has("EGL_KHR_image") || extensions.has("EGL_KHR_image_base")) { GET_EGL_PROC_SUFFIX(CreateImage, KHR); GET_EGL_PROC_SUFFIX(DestroyImage, KHR); } interface->fStandard = kGLES_GrGLStandard; interface->fExtensions.swap(&extensions); return interface; }
const GrGLInterface* GrGLCreateMesaInterface() { if (NULL != OSMesaGetCurrentContext()) { GrGLGetStringProc getString = (GrGLGetStringProc) OSMesaGetProcAddress("glGetString"); const char* versionString = (const char*) getString(GL_VERSION); const char* extString = (const char*) getString(GL_EXTENSIONS); GrGLVersion glVer = GrGLGetVersionFromString(versionString); if (glVer < GR_GL_VER(1,5)) { // We must have array and element_array buffer objects. return NULL; } GrGLInterface* interface = new GrGLInterface(); GR_GL_GET_PROC(ActiveTexture); GR_GL_GET_PROC(BeginQuery); GR_GL_GET_PROC(AttachShader); GR_GL_GET_PROC(BindAttribLocation); GR_GL_GET_PROC(BindBuffer); GR_GL_GET_PROC(BindFragDataLocation); GR_GL_GET_PROC(BindTexture); GR_GL_GET_PROC(BlendColor); GR_GL_GET_PROC(BlendFunc); GR_GL_GET_PROC(BufferData); GR_GL_GET_PROC(BufferSubData); GR_GL_GET_PROC(Clear); GR_GL_GET_PROC(ClearColor); GR_GL_GET_PROC(ClearStencil); GR_GL_GET_PROC(ColorMask); GR_GL_GET_PROC(CompileShader); GR_GL_GET_PROC(CompressedTexImage2D); GR_GL_GET_PROC(CreateProgram); GR_GL_GET_PROC(CreateShader); GR_GL_GET_PROC(CullFace); GR_GL_GET_PROC(DeleteBuffers); GR_GL_GET_PROC(DeleteProgram); GR_GL_GET_PROC(DeleteQueries); GR_GL_GET_PROC(DeleteShader); GR_GL_GET_PROC(DeleteTextures); GR_GL_GET_PROC(DepthMask); GR_GL_GET_PROC(Disable); GR_GL_GET_PROC(DisableVertexAttribArray); GR_GL_GET_PROC(DrawArrays); GR_GL_GET_PROC(DrawBuffer); GR_GL_GET_PROC(DrawBuffers); GR_GL_GET_PROC(DrawElements); GR_GL_GET_PROC(Enable); GR_GL_GET_PROC(EnableVertexAttribArray); GR_GL_GET_PROC(EndQuery); GR_GL_GET_PROC(Finish); GR_GL_GET_PROC(Flush); GR_GL_GET_PROC(FrontFace); GR_GL_GET_PROC(GenBuffers); GR_GL_GET_PROC(GenQueries); GR_GL_GET_PROC(GetBufferParameteriv); GR_GL_GET_PROC(GetError); GR_GL_GET_PROC(GetIntegerv); GR_GL_GET_PROC(GetProgramInfoLog); GR_GL_GET_PROC(GetProgramiv); if (glVer >= GR_GL_VER(3,3) || GrGLHasExtensionFromString("GL_ARB_timer_query", extString)) { GR_GL_GET_PROC(GetQueryObjecti64v); GR_GL_GET_PROC(GetQueryObjectui64v) GR_GL_GET_PROC(QueryCounter); } else if (GrGLHasExtensionFromString("GL_EXT_timer_query", extString)) { GR_GL_GET_PROC_SUFFIX(GetQueryObjecti64v, EXT); GR_GL_GET_PROC_SUFFIX(GetQueryObjectui64v, EXT); } GR_GL_GET_PROC(GetQueryObjectiv); GR_GL_GET_PROC(GetQueryObjectuiv); GR_GL_GET_PROC(GetQueryiv); GR_GL_GET_PROC(GetShaderInfoLog); GR_GL_GET_PROC(GetShaderiv); GR_GL_GET_PROC(GetString); GR_GL_GET_PROC(GetTexLevelParameteriv); GR_GL_GET_PROC(GenTextures); GR_GL_GET_PROC(GetUniformLocation); GR_GL_GET_PROC(LineWidth); GR_GL_GET_PROC(LinkProgram); GR_GL_GET_PROC(MapBuffer); GR_GL_GET_PROC(PixelStorei); GR_GL_GET_PROC(ReadBuffer); GR_GL_GET_PROC(ReadPixels); GR_GL_GET_PROC(Scissor); GR_GL_GET_PROC(ShaderSource); GR_GL_GET_PROC(StencilFunc); GR_GL_GET_PROC(StencilFuncSeparate); GR_GL_GET_PROC(StencilMask); GR_GL_GET_PROC(StencilMaskSeparate); GR_GL_GET_PROC(StencilOp); GR_GL_GET_PROC(StencilOpSeparate); GR_GL_GET_PROC(TexImage2D) GR_GL_GET_PROC(TexParameteri); GR_GL_GET_PROC(TexStorage2D); if (NULL == interface->fTexStorage2D) { GR_GL_GET_PROC_SUFFIX(TexStorage2D, EXT); } GR_GL_GET_PROC(TexSubImage2D); GR_GL_GET_PROC(Uniform1f); GR_GL_GET_PROC(Uniform1i); GR_GL_GET_PROC(Uniform1fv); GR_GL_GET_PROC(Uniform1iv); GR_GL_GET_PROC(Uniform2f); GR_GL_GET_PROC(Uniform2i); GR_GL_GET_PROC(Uniform2fv); GR_GL_GET_PROC(Uniform2iv); GR_GL_GET_PROC(Uniform3f); GR_GL_GET_PROC(Uniform3i); GR_GL_GET_PROC(Uniform3fv); GR_GL_GET_PROC(Uniform3iv); GR_GL_GET_PROC(Uniform4f); GR_GL_GET_PROC(Uniform4i); GR_GL_GET_PROC(Uniform4fv); GR_GL_GET_PROC(Uniform4iv); GR_GL_GET_PROC(UniformMatrix2fv); GR_GL_GET_PROC(UniformMatrix3fv); GR_GL_GET_PROC(UniformMatrix4fv); GR_GL_GET_PROC(UnmapBuffer); GR_GL_GET_PROC(UseProgram); GR_GL_GET_PROC(VertexAttrib4fv); GR_GL_GET_PROC(VertexAttribPointer); GR_GL_GET_PROC(Viewport); // First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since // GL_ARB_framebuffer_object doesn't use ARB suffix.) if (glVer >= GR_GL_VER(3,0) || GrGLHasExtensionFromString("GL_ARB_framebuffer_object", extString)) { GR_GL_GET_PROC(GenFramebuffers); GR_GL_GET_PROC(GetFramebufferAttachmentParameteriv); GR_GL_GET_PROC(GetRenderbufferParameteriv); GR_GL_GET_PROC(BindFramebuffer); GR_GL_GET_PROC(FramebufferTexture2D); GR_GL_GET_PROC(CheckFramebufferStatus); GR_GL_GET_PROC(DeleteFramebuffers); GR_GL_GET_PROC(RenderbufferStorage); GR_GL_GET_PROC(GenRenderbuffers); GR_GL_GET_PROC(DeleteRenderbuffers); GR_GL_GET_PROC(FramebufferRenderbuffer); GR_GL_GET_PROC(BindRenderbuffer); GR_GL_GET_PROC(RenderbufferStorageMultisample); GR_GL_GET_PROC(BlitFramebuffer); } else if (GrGLHasExtensionFromString("GL_EXT_framebuffer_object", extString)) { GR_GL_GET_PROC_SUFFIX(GenFramebuffers, EXT); GR_GL_GET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT); GR_GL_GET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT); GR_GL_GET_PROC_SUFFIX(BindFramebuffer, EXT); GR_GL_GET_PROC_SUFFIX(FramebufferTexture2D, EXT); GR_GL_GET_PROC_SUFFIX(CheckFramebufferStatus, EXT); GR_GL_GET_PROC_SUFFIX(DeleteFramebuffers, EXT); GR_GL_GET_PROC_SUFFIX(RenderbufferStorage, EXT); GR_GL_GET_PROC_SUFFIX(GenRenderbuffers, EXT); GR_GL_GET_PROC_SUFFIX(DeleteRenderbuffers, EXT); GR_GL_GET_PROC_SUFFIX(FramebufferRenderbuffer, EXT); GR_GL_GET_PROC_SUFFIX(BindRenderbuffer, EXT); if (GrGLHasExtensionFromString("GL_EXT_framebuffer_multisample", extString)) { GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT); } if (GrGLHasExtensionFromString("GL_EXT_framebuffer_blit", extString)) { GR_GL_GET_PROC_SUFFIX(BlitFramebuffer, EXT); } } else { // we must have FBOs delete interface; return NULL; } GR_GL_GET_PROC(BindFragDataLocationIndexed); interface->fBindingsExported = kDesktop_GrGLBinding; return interface; } else { return NULL; } }
bool SkGLContextHelper::init(int width, int height) { if (fGL) { fGL->unref(); this->destroyGLContext(); } fGL = this->createGLContext(); if (fGL) { const GrGLubyte* temp; GrGLBinding bindingInUse = GrGLGetBindingInUse(this->gl()); if (!fGL->validate(bindingInUse) || !fExtensions.init(bindingInUse, fGL)) { fGL = NULL; this->destroyGLContext(); return false; } SK_GL_RET(*this, temp, GetString(GR_GL_VERSION)); const char* versionStr = reinterpret_cast<const char*>(temp); GrGLVersion version = GrGLGetVersionFromString(versionStr); // clear any existing GL erorrs GrGLenum error; do { SK_GL_RET(*this, error, GetError()); } while (GR_GL_NO_ERROR != error); SK_GL(*this, GenFramebuffers(1, &fFBO)); SK_GL(*this, BindFramebuffer(GR_GL_FRAMEBUFFER, fFBO)); SK_GL(*this, GenRenderbuffers(1, &fColorBufferID)); SK_GL(*this, BindRenderbuffer(GR_GL_RENDERBUFFER, fColorBufferID)); if (kES_GrGLBinding == bindingInUse) { SK_GL(*this, RenderbufferStorage(GR_GL_RENDERBUFFER, GR_GL_RGBA8, width, height)); } else { SK_GL(*this, RenderbufferStorage(GR_GL_RENDERBUFFER, GR_GL_RGBA, width, height)); } SK_GL(*this, FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, GR_GL_COLOR_ATTACHMENT0, GR_GL_RENDERBUFFER, fColorBufferID)); SK_GL(*this, GenRenderbuffers(1, &fDepthStencilBufferID)); SK_GL(*this, BindRenderbuffer(GR_GL_RENDERBUFFER, fDepthStencilBufferID)); // Some drivers that support packed depth stencil will only succeed // in binding a packed format an FBO. However, we can't rely on packed // depth stencil being available. bool supportsPackedDepthStencil; if (kES_GrGLBinding == bindingInUse) { supportsPackedDepthStencil = version >= GR_GL_VER(3,0) || this->hasExtension("GL_OES_packed_depth_stencil"); } else { supportsPackedDepthStencil = version >= GR_GL_VER(3,0) || this->hasExtension("GL_EXT_packed_depth_stencil") || this->hasExtension("GL_ARB_framebuffer_object"); } if (supportsPackedDepthStencil) { // ES2 requires sized internal formats for RenderbufferStorage // On Desktop we let the driver decide. GrGLenum format = kES_GrGLBinding == bindingInUse ? GR_GL_DEPTH24_STENCIL8 : GR_GL_DEPTH_STENCIL; SK_GL(*this, RenderbufferStorage(GR_GL_RENDERBUFFER, format, width, height)); SK_GL(*this, FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, GR_GL_DEPTH_ATTACHMENT, GR_GL_RENDERBUFFER, fDepthStencilBufferID)); } else { GrGLenum format = kES_GrGLBinding == bindingInUse ? GR_GL_STENCIL_INDEX8 : GR_GL_STENCIL_INDEX; SK_GL(*this, RenderbufferStorage(GR_GL_RENDERBUFFER, format, width, height)); } SK_GL(*this, FramebufferRenderbuffer(GR_GL_FRAMEBUFFER, GR_GL_STENCIL_ATTACHMENT, GR_GL_RENDERBUFFER, fDepthStencilBufferID)); SK_GL(*this, Viewport(0, 0, width, height)); SK_GL(*this, ClearStencil(0)); SK_GL(*this, Clear(GR_GL_STENCIL_BUFFER_BIT)); SK_GL_RET(*this, error, GetError()); GrGLenum status; SK_GL_RET(*this, status, CheckFramebufferStatus(GR_GL_FRAMEBUFFER)); if (GR_GL_FRAMEBUFFER_COMPLETE != status || GR_GL_NO_ERROR != error) { fFBO = 0; fColorBufferID = 0; fDepthStencilBufferID = 0; fGL->unref(); fGL = NULL; this->destroyGLContext(); return false; } else { return true; } } return false; }
void GrGLCaps::init(const GrGLContextInfo& ctxInfo) { this->reset(); if (!ctxInfo.isInitialized()) { return; } const GrGLInterface* gli = ctxInfo.interface(); GrGLBinding binding = ctxInfo.binding(); GrGLVersion version = ctxInfo.version(); if (kES2_GrGLBinding == binding) { GR_GL_GetIntegerv(gli, GR_GL_MAX_FRAGMENT_UNIFORM_VECTORS, &fMaxFragmentUniformVectors); } else { GrAssert(kDesktop_GrGLBinding == binding); GrGLint max; GR_GL_GetIntegerv(gli, GR_GL_MAX_FRAGMENT_UNIFORM_COMPONENTS, &max); fMaxFragmentUniformVectors = max / 4; } if (kDesktop_GrGLBinding == binding) { fRGBA8RenderbufferSupport = true; } else { fRGBA8RenderbufferSupport = ctxInfo.hasExtension("GL_OES_rgb8_rgba8") || ctxInfo.hasExtension("GL_ARM_rgba8"); } if (kDesktop_GrGLBinding == binding) { fBGRAFormatSupport = version >= GR_GL_VER(1,2) || ctxInfo.hasExtension("GL_EXT_bgra"); } else { bool hasBGRAExt = false; if (ctxInfo.hasExtension("GL_APPLE_texture_format_BGRA8888")) { fBGRAFormatSupport = true; } else if (ctxInfo.hasExtension("GL_EXT_texture_format_BGRA8888")) { fBGRAFormatSupport = true; fBGRAIsInternalFormat = true; } GrAssert(fBGRAFormatSupport || kSkia8888_PM_GrPixelConfig != kBGRA_8888_PM_GrPixelConfig); } if (kDesktop_GrGLBinding == binding) { fTextureSwizzleSupport = version >= GR_GL_VER(3,3) || ctxInfo.hasExtension("GL_ARB_texture_swizzle"); } else { fTextureSwizzleSupport = false; } if (kDesktop_GrGLBinding == binding) { fUnpackRowLengthSupport = true; fUnpackFlipYSupport = false; fPackRowLengthSupport = true; fPackFlipYSupport = false; } else { fUnpackRowLengthSupport =ctxInfo.hasExtension("GL_EXT_unpack_subimage"); fUnpackFlipYSupport = ctxInfo.hasExtension("GL_CHROMIUM_flipy"); // no extension for pack row length fPackRowLengthSupport = false; fPackFlipYSupport = ctxInfo.hasExtension("GL_ANGLE_pack_reverse_row_order"); } fTextureUsageSupport = (kES2_GrGLBinding == binding) && ctxInfo.hasExtension("GL_ANGLE_texture_usage"); // Tex storage is in desktop 4.2 and can be an extension to desktop or ES. fTexStorageSupport = (kDesktop_GrGLBinding == binding && version >= GR_GL_VER(4,2)) || ctxInfo.hasExtension("GL_ARB_texture_storage") || ctxInfo.hasExtension("GL_EXT_texture_storage"); // ARB_texture_rg is part of OpenGL 3.0 if (kDesktop_GrGLBinding == binding) { fTextureRedSupport = version >= GR_GL_VER(3,0) || ctxInfo.hasExtension("GL_ARB_texture_rg"); } else { fTextureRedSupport = ctxInfo.hasExtension("GL_ARB_texture_rg"); } this->initFSAASupport(ctxInfo); this->initStencilFormats(ctxInfo); }
bool GrGLInterface::validate(GrEngine engine) const { bool isDesktop = this->supportsDesktop(); bool isES = this->supportsES(); if (isDesktop == isES) { // must have one, don't support both in same interface return false; } // functions that are always required if (NULL == fActiveTexture || NULL == fBindBuffer || NULL == fBindTexture || NULL == fBlendFunc || NULL == fBufferData || NULL == fBufferSubData || NULL == fClear || NULL == fClearColor || NULL == fClearStencil || NULL == fColorMask || NULL == fCullFace || NULL == fDeleteBuffers || NULL == fDeleteTextures || NULL == fDepthMask || NULL == fDisable || NULL == fDrawArrays || NULL == fDrawElements || NULL == fEnable || NULL == fFrontFace || NULL == fGenBuffers || NULL == fGenTextures || NULL == fGetBufferParameteriv || NULL == fGetError || NULL == fGetIntegerv || NULL == fGetString || NULL == fPixelStorei || NULL == fReadPixels || NULL == fScissor || NULL == fStencilFunc || NULL == fStencilMask || NULL == fStencilOp || NULL == fTexImage2D || NULL == fTexParameteri || NULL == fTexSubImage2D || NULL == fViewport || NULL == fBindFramebuffer || NULL == fBindRenderbuffer || NULL == fCheckFramebufferStatus || NULL == fDeleteFramebuffers || NULL == fDeleteRenderbuffers || NULL == fFramebufferRenderbuffer || NULL == fFramebufferTexture2D || NULL == fGetFramebufferAttachmentParameteriv || NULL == fGetRenderbufferParameteriv || NULL == fGenFramebuffers || NULL == fGenRenderbuffers || NULL == fRenderbufferStorage) { return false; } switch (engine) { case kOpenGL_Shaders_GrEngine: if (kES1_GrGLBinding == fBindingsExported) { return false; } if (!this->validateShaderFunctions()) { return false; } break; case kOpenGL_Fixed_GrEngine: if (kES1_GrGLBinding == fBindingsExported) { return false; } if (!this->validateFixedFunctions()) { return false; } break; default: return false; } const char* ext; GrGLVersion glVer = GrGLGetVersion(this); ext = (const char*)fGetString(GR_GL_EXTENSIONS); // Now check that baseline ES/Desktop fns not covered above are present // and that we have fn pointers for any advertised extensions 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 ((kES2_GrGLBinding & fBindingsExported)) { if (NULL == fBlendColor || NULL == fStencilFuncSeparate || NULL == fStencilMaskSeparate || NULL == fStencilOpSeparate) { return false; } } else if (kDesktop_GrGLBinding == fBindingsExported) { if (glVer >= GR_GL_VER(2,0)) { if (NULL == fStencilFuncSeparate || NULL == fStencilMaskSeparate || NULL == fStencilOpSeparate) { return false; } } if (glVer >= GR_GL_VER(3,0) && NULL == fBindFragDataLocation) { return false; } if (glVer >= GR_GL_VER(2,0) || GrGLHasExtensionFromString("GL_ARB_draw_buffers", ext)) { if (NULL == fDrawBuffers) { return false; } } if (glVer >= GR_GL_VER(1,4) || GrGLHasExtensionFromString("GL_EXT_blend_color", ext)) { if (NULL == fBlendColor) { return false; } } } // optional function on desktop before 1.3 if (kDesktop_GrGLBinding != fBindingsExported || (glVer >= GR_GL_VER(1,3) || GrGLHasExtensionFromString("GL_ARB_texture_compression", ext))) { if (NULL == fCompressedTexImage2D) { return false; } } // part of desktop GL, but not ES if (kDesktop_GrGLBinding == fBindingsExported && (NULL == fLineWidth || NULL == fGetTexLevelParameteriv || NULL == fDrawBuffer || NULL == fReadBuffer)) { return false; } // FBO MSAA if (kDesktop_GrGLBinding == fBindingsExported) { // GL 3.0 and the ARB extension have multisample + blit if (glVer >= GR_GL_VER(3,0) || GrGLHasExtensionFromString("GL_ARB_framebuffer_object", ext)) { if (NULL == fRenderbufferStorageMultisample || NULL == fBlitFramebuffer) { return false; } } else { if (GrGLHasExtensionFromString("GL_EXT_framebuffer_blit", ext) && NULL == fBlitFramebuffer) { return false; } if (GrGLHasExtensionFromString("GL_EXT_framebuffer_multisample", ext) && NULL == fRenderbufferStorageMultisample) { return false; } } } else { if (GrGLHasExtensionFromString("GL_CHROMIUM_framebuffer_multisample", ext)) { if (NULL == fRenderbufferStorageMultisample || NULL == fBlitFramebuffer) { return false; } } if (GrGLHasExtensionFromString("GL_APPLE_framebuffer_multisample", ext)) { if (NULL == fRenderbufferStorageMultisample || NULL == fResolveMultisampleFramebuffer) { return false; } } } // On ES buffer mapping is an extension. On Desktop // buffer mapping was part of original VBO extension // which we require. if (kDesktop_GrGLBinding == fBindingsExported || GrGLHasExtensionFromString("GL_OES_mapbuffer", ext)) { if (NULL == fMapBuffer || NULL == fUnmapBuffer) { return false; } } // Dual source blending if (kDesktop_GrGLBinding == fBindingsExported && (glVer >= GR_GL_VER(3,3) || GrGLHasExtensionFromString("GL_ARB_blend_func_extended", ext))) { if (NULL == fBindFragDataLocationIndexed) { return false; } } return true; }