const GrGLInterface* GrGLCreateNativeInterface() {
GrGLGetStringiProc getStringi = (GrGLGetStringiProc) eglGetProcAddress("glGetStringi");
const char* verStr = reinterpret_cast<const char*>(glGetString(GR_GL_VERSION));
GrGLVersion version = GrGLGetVersionFromString(verStr);
GrGLStandard standard = GrGLGetStandardInUseFromString(verStr);
GrGLExtensions extensions;
if (!extensions.init(standard, glGetString, getStringi, glGetIntegerv)) {
return NULL;
}
GrGLInterface* interface = NULL;
if (kGLES_GrGLStandard == standard) {
interface = create_es_interface(version, &extensions);
} else if (kGL_GrGLStandard == standard) {
interface = create_desktop_interface(version, extensions);
}
if (NULL != interface) {
interface->fExtensions.swap(&extensions);
}
return interface;
}
bool GrGLContextInfo::initialize(const GrGLInterface* interface) {
this->reset();
// We haven't validated the GrGLInterface yet, so check for GetString
// function pointer
if (interface->fGetString) {
const GrGLubyte* verUByte;
GR_GL_CALL_RET(interface, verUByte, GetString(GR_GL_VERSION));
const char* ver = reinterpret_cast<const char*>(verUByte);
GrGLBinding binding = GrGLGetBindingInUseFromString(ver);
if (0 != binding && interface->validate(binding) && fExtensions.init(binding, interface)) {
fBindingInUse = binding;
fGLVersion = GrGLGetVersionFromString(ver);
fGLSLGeneration = GrGetGLSLGeneration(fBindingInUse, interface);
fVendor = GrGLGetVendor(interface);
fIsMesa = GrGLIsMesaFromVersionString(ver);
fGLCaps->init(*this, interface);
return true;
}
}
return false;
}
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();
}
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);
}
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;
}
bool GrGLContextInfo::initialize(const GrGLInterface* interface) {
this->reset();
// We haven't validated the GrGLInterface yet, so check for GetString
// function pointer
if (interface->fFunctions.fGetString) {
const GrGLubyte* verUByte;
GR_GL_CALL_RET(interface, verUByte, GetString(GR_GL_VERSION));
const char* ver = reinterpret_cast<const char*>(verUByte);
const GrGLubyte* rendererUByte;
GR_GL_CALL_RET(interface, rendererUByte, GetString(GR_GL_RENDERER));
const char* renderer = reinterpret_cast<const char*>(rendererUByte);
if (interface->validate()) {
fGLVersion = GrGLGetVersionFromString(ver);
if (GR_GL_INVALID_VER == fGLVersion) {
return false;
}
if (!GrGetGLSLGeneration(interface, &fGLSLGeneration)) {
return false;
}
fVendor = GrGLGetVendor(interface);
/*
* Qualcomm drivers have a horrendous bug with some drivers. Though they claim to
* support GLES 3.00, some perfectly valid GLSL300 shaders will only compile with
* #version 100, and will fail to compile with #version 300 es. In the long term, we
* need to lock this down to a specific driver version.
*/
if (kQualcomm_GrGLVendor == fVendor) {
fGLSLGeneration = k110_GrGLSLGeneration;
}
fRenderer = GrGLGetRendererFromString(renderer);
fIsMesa = GrGLIsMesaFromVersionString(ver);
fIsChromium = GrGLIsChromiumFromRendererString(renderer);
// This must occur before caps init.
fInterface.reset(SkRef(interface));
return fGLCaps->init(*this, interface);
}
}
return false;
}
const GrGLInterface* GrGLCreateNativeInterface() {
GrGLGetStringiProc getStringi = (GrGLGetStringiProc) eglGetProcAddress("glGetStringi");
const char* verStr = reinterpret_cast<const char*>(glGetString(GR_GL_VERSION));
GrGLVersion version = GrGLGetVersionFromString(verStr);
GrGLBinding binding = GrGLGetBindingInUseFromString(verStr);
GrGLExtensions extensions;
if (!extensions.init(binding, glGetString, getStringi, glGetIntegerv)) {
return NULL;
}
if (kES_GrGLBinding == binding) {
return create_es_interface(version, extensions);
} else if (kDesktop_GrGLBinding == binding) {
return create_desktop_interface(version, extensions);
} else {
return NULL;
}
}
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 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;
}
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* 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* 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;
}
}
const GrGLInterface* GrGLAssembleGLInterface(void* ctx, GrGLGetProc get) {
GET_PROC_LOCAL(GetString);
GET_PROC_LOCAL(GetStringi);
GET_PROC_LOCAL(GetIntegerv);
// GetStringi may be NULL depending on the GL version.
if (NULL == GetString || NULL == GetIntegerv) {
return NULL;
}
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 NULL;
}
GrGLExtensions extensions;
if (!extensions.init(kGL_GrGLStandard, GetString, GetStringi, GetIntegerv)) {
return NULL;
}
GrGLInterface* interface = SkNEW(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);
GET_PROC(BlendFunc);
if (glVer >= GR_GL_VER(1,4) ||
extensions.has("GL_ARB_imaging") ||
extensions.has("GL_EXT_blend_color")) {
GET_PROC(BlendColor);
}
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);
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(GetTexLevelParameteriv);
GET_PROC(GenQueries);
GET_PROC(GenTextures);
GET_PROC(GetUniformLocation);
GET_PROC(LineWidth);
GET_PROC(LinkProgram);
GET_PROC(MapBuffer);
if (extensions.has("GL_EXT_direct_state_access")) {
GET_PROC_SUFFIX(MatrixLoadf, EXT);
GET_PROC_SUFFIX(MatrixLoadIdentity, EXT);
}
GET_PROC(PixelStorei);
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);
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);
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);
}
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 NULL;
}
if (extensions.has("GL_NV_path_rendering")) {
GET_PROC_SUFFIX(PathCommands, NV);
GET_PROC_SUFFIX(PathCoords, 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(PathTexGen, NV);
GET_PROC_SUFFIX(CoverFillPath, NV);
GET_PROC_SUFFIX(CoverStrokePath, NV);
GET_PROC_SUFFIX(CoverFillPathInstanced, NV);
GET_PROC_SUFFIX(CoverStrokePathInstanced, NV);
// NV_path_rendering v1.2 (These methods may not be present)
GET_PROC_SUFFIX(StencilThenCoverFillPath, NV);
GET_PROC_SUFFIX(StencilThenCoverStrokePath, NV);
GET_PROC_SUFFIX(StencilThenCoverFillPathInstanced, NV);
GET_PROC_SUFFIX(StencilThenCoverStrokePathInstanced, NV);
// NV_path_rendering v1.3 (These methods may not be present)
GET_PROC_SUFFIX(ProgramPathFragmentInputGen, NV);
GET_PROC_SUFFIX(PathMemoryGlyphIndexArray, 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);
}
interface->fStandard = kGL_GrGLStandard;
interface->fExtensions.swap(&extensions);
return interface;
}
const GrGLInterface* GrGLAssembleGLESInterface(void* ctx, GrGLGetProc get) {
GET_PROC_LOCAL(GetString);
if (NULL == GetString) {
return NULL;
}
const char* verStr = reinterpret_cast<const char*>(GetString(GR_GL_VERSION));
GrGLVersion version = GrGLGetVersionFromString(verStr);
if (version < GR_GL_VER(2,0)) {
return NULL;
}
GET_PROC_LOCAL(GetIntegerv);
GET_PROC_LOCAL(GetStringi);
GrGLExtensions extensions;
if (!extensions.init(kGLES_GrGLStandard, GetString, GetStringi, GetIntegerv)) {
return NULL;
}
GrGLInterface* interface = SkNEW(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);
GET_PROC(BlendColor);
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);
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(GetShaderiv);
GET_PROC(GetString);
GET_PROC(GetStringi);
GET_PROC(GetUniformLocation);
GET_PROC(LineWidth);
GET_PROC(LinkProgram);
GET_PROC(PixelStorei);
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);
}
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);
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 (version >= GR_GL_VER(3,0)) {
GET_PROC(RenderbufferStorageMultisample);
GET_PROC(BlitFramebuffer);
}
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 NULL from the eglGetProcAddress for the functions
if (NULL == functions->fInsertEventMarker ||
NULL == functions->fPushGroupMarker ||
NULL == 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(PathCoords, 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);
GET_PROC_SUFFIX(PathMemoryGlyphIndexArray, NV);
}
interface->fStandard = kGLES_GrGLStandard;
interface->fExtensions.swap(&extensions);
return interface;
}
std::unique_ptr<GrGLContext> GrGLContext::Make(sk_sp<const GrGLInterface> interface,
const GrContextOptions& options) {
if (!interface->validate()) {
return nullptr;
}
const GrGLubyte* verUByte;
GR_GL_CALL_RET(interface.get(), verUByte, GetString(GR_GL_VERSION));
const char* ver = reinterpret_cast<const char*>(verUByte);
const GrGLubyte* rendererUByte;
GR_GL_CALL_RET(interface.get(), rendererUByte, GetString(GR_GL_RENDERER));
const char* renderer = reinterpret_cast<const char*>(rendererUByte);
ConstructorArgs args;
args.fGLVersion = GrGLGetVersionFromString(ver);
if (GR_GL_INVALID_VER == args.fGLVersion) {
return nullptr;
}
if (!GrGLGetGLSLGeneration(interface.get(), &args.fGLSLGeneration)) {
return nullptr;
}
args.fVendor = GrGLGetVendor(interface.get());
args.fRenderer = GrGLGetRendererFromStrings(renderer, interface->fExtensions);
GrGLGetANGLEInfoFromString(renderer, &args.fANGLEBackend, &args.fANGLEVendor,
&args.fANGLERenderer);
/*
* Qualcomm drivers for the 3xx series have a horrendous bug with some drivers. Though they
* claim to support GLES 3.00, some perfectly valid GLSL300 shaders will only compile with
* #version 100, and will fail to compile with #version 300 es. In the long term, we
* need to lock this down to a specific driver version.
* ?????/2015 - This bug is still present in Lollipop pre-mr1
* 06/18/2015 - This bug does not affect the nexus 6 (which has an Adreno 4xx).
*/
if (kAdreno3xx_GrGLRenderer == args.fRenderer) {
args.fGLSLGeneration = k110_GrGLSLGeneration;
}
// Many ES3 drivers only advertise the ES2 image_external extension, but support the _essl3
// extension, and require that it be enabled to work with ESSL3. Other devices require the ES2
// extension to be enabled, even when using ESSL3. Some devices appear to only support the ES2
// extension. As an extreme (optional) solution, we can fallback to using ES2 shading language
// if we want to prioritize external texture support. skbug.com/7713
if (GR_IS_GR_GL_ES(interface->fStandard) &&
options.fPreferExternalImagesOverES3 &&
!options.fDisableDriverCorrectnessWorkarounds &&
interface->hasExtension("GL_OES_EGL_image_external") &&
args.fGLSLGeneration >= k330_GrGLSLGeneration &&
!interface->hasExtension("GL_OES_EGL_image_external_essl3") &&
!interface->hasExtension("OES_EGL_image_external_essl3")) {
args.fGLSLGeneration = k110_GrGLSLGeneration;
}
GrGLGetDriverInfo(interface->fStandard, args.fVendor, renderer, ver,
&args.fDriver, &args.fDriverVersion);
args.fContextOptions = &options;
args.fInterface = std::move(interface);
return std::unique_ptr<GrGLContext>(new GrGLContext(std::move(args)));
}
GrGLVersion GrGLGetVersion(const GrGLInterface* gl) {
const GrGLubyte* v;
GR_GL_CALL_RET(gl, v, GetString(GR_GL_VERSION));
return GrGLGetVersionFromString((const char*) v);
}
sk_sp<const GrGLInterface> GrGLMakeAssembledWebGLInterface(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 glVer = GrGLGetVersionFromString(verStr);
if (glVer < GR_GL_VER(1,0)) {
return nullptr;
}
GET_PROC_LOCAL(GetIntegerv);
GET_PROC_LOCAL(GetStringi);
GrEGLQueryStringFn* queryString;
GrEGLDisplay display;
GrGetEGLQueryAndDisplay(&queryString, &display, ctx, get);
GrGLExtensions extensions;
if (!extensions.init(kWebGL_GrGLStandard, GetString, GetStringi, GetIntegerv, queryString,
display)) {
return nullptr;
}
sk_sp<GrGLInterface> interface(new GrGLInterface);
GrGLInterface::Functions* functions = &interface->fFunctions;
// Autogenerated content follows
GET_PROC(ActiveTexture);
GET_PROC(AttachShader);
GET_PROC(BindAttribLocation);
GET_PROC(BindBuffer);
GET_PROC(BindTexture);
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(DepthMask);
GET_PROC(Disable);
GET_PROC(DisableVertexAttribArray);
GET_PROC(DrawArrays);
GET_PROC(DrawElements);
GET_PROC(Enable);
GET_PROC(EnableVertexAttribArray);
GET_PROC(Finish);
GET_PROC(Flush);
GET_PROC(FrontFace);
GET_PROC(GenBuffers);
GET_PROC(GenTextures);
GET_PROC(GetBufferParameteriv);
GET_PROC(GetError);
GET_PROC(GetIntegerv);
GET_PROC(GetProgramInfoLog);
GET_PROC(GetProgramiv);
GET_PROC(GetShaderInfoLog);
GET_PROC(GetShaderiv);
GET_PROC(GetString);
GET_PROC(GetUniformLocation);
GET_PROC(IsTexture);
GET_PROC(LineWidth);
GET_PROC(LinkProgram);
GET_PROC(PixelStorei);
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(TexParameterf);
GET_PROC(TexParameterfv);
GET_PROC(TexParameteri);
GET_PROC(TexParameteriv);
GET_PROC(TexSubImage2D);
GET_PROC(Uniform1f);
GET_PROC(Uniform1fv);
GET_PROC(Uniform1i);
GET_PROC(Uniform1iv);
GET_PROC(Uniform2f);
GET_PROC(Uniform2fv);
GET_PROC(Uniform2i);
GET_PROC(Uniform2iv);
GET_PROC(Uniform3f);
GET_PROC(Uniform3fv);
GET_PROC(Uniform3i);
GET_PROC(Uniform3iv);
GET_PROC(Uniform4f);
GET_PROC(Uniform4fv);
GET_PROC(Uniform4i);
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);
GET_PROC(VertexAttribPointer);
GET_PROC(Viewport);
if (glVer >= GR_GL_VER(2,0)) {
GET_PROC(GetStringi);
}
if (glVer >= GR_GL_VER(2,0)) {
GET_PROC(BindVertexArray);
GET_PROC(DeleteVertexArrays);
GET_PROC(GenVertexArrays);
} else if (extensions.has("GL_OES_vertex_array_object")) {
GET_PROC_SUFFIX(BindVertexArray, OES);
GET_PROC_SUFFIX(DeleteVertexArrays, OES);
GET_PROC_SUFFIX(GenVertexArrays, OES);
} else if (extensions.has("OES_vertex_array_object")) {
GET_PROC_SUFFIX(BindVertexArray, OES);
GET_PROC_SUFFIX(DeleteVertexArrays, OES);
GET_PROC_SUFFIX(GenVertexArrays, OES);
}
if (glVer >= GR_GL_VER(2,0)) {
GET_PROC(DrawArraysInstanced);
GET_PROC(DrawElementsInstanced);
}
if (glVer >= GR_GL_VER(2,0)) {
GET_PROC(DrawBuffers);
GET_PROC(ReadBuffer);
}
if (glVer >= GR_GL_VER(2,0)) {
GET_PROC(DrawRangeElements);
}
if (glVer >= GR_GL_VER(2,0)) {
GET_PROC(TexStorage2D);
}
if (glVer >= GR_GL_VER(2,0)) {
GET_PROC(VertexAttribIPointer);
}
GET_PROC(BindFramebuffer);
GET_PROC(BindRenderbuffer);
GET_PROC(CheckFramebufferStatus);
GET_PROC(DeleteFramebuffers);
GET_PROC(DeleteRenderbuffers);
GET_PROC(FramebufferRenderbuffer);
GET_PROC(FramebufferTexture2D);
GET_PROC(GenFramebuffers);
GET_PROC(GenRenderbuffers);
GET_PROC(GenerateMipmap);
GET_PROC(GetFramebufferAttachmentParameteriv);
GET_PROC(GetRenderbufferParameteriv);
GET_PROC(RenderbufferStorage);
if (glVer >= GR_GL_VER(2,0)) {
GET_PROC(RenderbufferStorageMultisample);
}
if (glVer >= GR_GL_VER(2,0)) {
GET_PROC(ClientWaitSync);
GET_PROC(DeleteSync);
GET_PROC(FenceSync);
GET_PROC(IsSync);
GET_PROC(WaitSync);
}
if (glVer >= GR_GL_VER(2,0)) {
GET_PROC(BindSampler);
GET_PROC(DeleteSamplers);
GET_PROC(GenSamplers);
GET_PROC(SamplerParameteri);
GET_PROC(SamplerParameteriv);
}
if (glVer >= GR_GL_VER(2,0)) {
GET_PROC(InvalidateFramebuffer);
GET_PROC(InvalidateSubFramebuffer);
}
GET_PROC(GetShaderPrecisionFormat);
// End autogenerated content
interface->fStandard = kWebGL_GrGLStandard;
interface->fExtensions.swap(&extensions);
return std::move(interface);
}
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* GrGLCreateNativeInterface() {
if (NULL != glXGetCurrentContext()) {
const char* versionString = (const char*) glGetString(GL_VERSION);
GrGLVersion glVer = GrGLGetVersionFromString(versionString);
// This may or may not succeed depending on the gl version.
GrGLGetStringiProc glGetStringi =
(GrGLGetStringiProc) glXGetProcAddress(reinterpret_cast<const GLubyte*>("glGetStringi"));
GrGLExtensions extensions;
if (!extensions.init(kGL_GrGLStandard, glGetString, glGetStringi, glGetIntegerv)) {
return NULL;
}
if (glVer < GR_GL_VER(1,5)) {
// We must have array and element_array buffer objects.
return NULL;
}
GrGLInterface* interface = SkNEW(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) ||
extensions.has("GL_ARB_imaging") ||
extensions.has("GL_EXT_blend_color")) {
GR_GL_GET_PROC(BlendColor);
}
GR_GL_GET_PROC(BufferData);
GR_GL_GET_PROC(BufferSubData);
interface->fClear = glClear;
interface->fClearColor = glClearColor;
interface->fClearStencil = glClearStencil;
interface->fClientActiveTexture = glClientActiveTexture;
interface->fColorMask = glColorMask;
GR_GL_GET_PROC(CompileShader);
interface->fCompressedTexImage2D = glCompressedTexImage2D;
interface->fCopyTexSubImage2D = glCopyTexSubImage2D;
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;
interface->fDisableClientState = glDisableClientState;
GR_GL_GET_PROC(DisableVertexAttribArray);
interface->fDrawArrays = glDrawArrays;
interface->fDrawBuffer = glDrawBuffer;
GR_GL_GET_PROC(DrawBuffers);
interface->fDrawElements = glDrawElements;
interface->fEnable = glEnable;
interface->fEnableClientState = glEnableClientState;
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(GenerateMipmap);
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) || extensions.has("GL_ARB_timer_query")) {
GR_GL_GET_PROC(GetQueryObjecti64v);
GR_GL_GET_PROC(GetQueryObjectui64v);
GR_GL_GET_PROC(QueryCounter);
} else if (extensions.has("GL_EXT_timer_query")) {
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;
GR_GL_GET_PROC(GetStringi);
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;
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->fTexGenf = glTexGenf;
interface->fTexGenfv = glTexGenfv;
interface->fTexGeni = glTexGeni;
interface->fTexParameteri = glTexParameteri;
interface->fTexParameteriv = glTexParameteriv;
if (glVer >= GR_GL_VER(4,2) || extensions.has("GL_ARB_texture_storage")) {
GR_GL_GET_PROC(TexStorage2D);
} else if (extensions.has("GL_EXT_texture_storage")) {
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);
GR_GL_GET_PROC(VertexPointer);
interface->fViewport = glViewport;
GR_GL_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
GR_GL_GET_PROC(BindVertexArray);
GR_GL_GET_PROC(GenVertexArrays);
GR_GL_GET_PROC(DeleteVertexArrays);
}
// 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")) {
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 (extensions.has("GL_EXT_framebuffer_object")) {
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 (extensions.has("GL_EXT_framebuffer_multisample")) {
GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT);
}
if (extensions.has("GL_EXT_framebuffer_blit")) {
GR_GL_GET_PROC_SUFFIX(BlitFramebuffer, EXT);
}
} else {
// we must have FBOs
delete interface;
return NULL;
}
GR_GL_GET_PROC(LoadIdentity);
GR_GL_GET_PROC(LoadMatrixf);
GR_GL_GET_PROC(MatrixMode);
if (extensions.has("GL_NV_path_rendering")) {
GR_GL_GET_PROC_SUFFIX(PathCommands, NV);
GR_GL_GET_PROC_SUFFIX(PathCoords, NV);
GR_GL_GET_PROC_SUFFIX(PathSubCommands, NV);
GR_GL_GET_PROC_SUFFIX(PathSubCoords, NV);
GR_GL_GET_PROC_SUFFIX(PathString, NV);
GR_GL_GET_PROC_SUFFIX(PathGlyphs, NV);
GR_GL_GET_PROC_SUFFIX(PathGlyphRange, NV);
GR_GL_GET_PROC_SUFFIX(WeightPaths, NV);
GR_GL_GET_PROC_SUFFIX(CopyPath, NV);
GR_GL_GET_PROC_SUFFIX(InterpolatePaths, NV);
GR_GL_GET_PROC_SUFFIX(TransformPath, NV);
GR_GL_GET_PROC_SUFFIX(PathParameteriv, NV);
GR_GL_GET_PROC_SUFFIX(PathParameteri, NV);
GR_GL_GET_PROC_SUFFIX(PathParameterfv, NV);
GR_GL_GET_PROC_SUFFIX(PathParameterf, NV);
GR_GL_GET_PROC_SUFFIX(PathDashArray, NV);
GR_GL_GET_PROC_SUFFIX(GenPaths, NV);
GR_GL_GET_PROC_SUFFIX(DeletePaths, NV);
GR_GL_GET_PROC_SUFFIX(IsPath, NV);
GR_GL_GET_PROC_SUFFIX(PathStencilFunc, NV);
GR_GL_GET_PROC_SUFFIX(PathStencilDepthOffset, NV);
GR_GL_GET_PROC_SUFFIX(StencilFillPath, NV);
GR_GL_GET_PROC_SUFFIX(StencilStrokePath, NV);
GR_GL_GET_PROC_SUFFIX(StencilFillPathInstanced, NV);
GR_GL_GET_PROC_SUFFIX(StencilStrokePathInstanced, NV);
GR_GL_GET_PROC_SUFFIX(PathCoverDepthFunc, NV);
GR_GL_GET_PROC_SUFFIX(PathColorGen, NV);
GR_GL_GET_PROC_SUFFIX(PathTexGen, NV);
GR_GL_GET_PROC_SUFFIX(PathFogGen, NV);
GR_GL_GET_PROC_SUFFIX(CoverFillPath, NV);
GR_GL_GET_PROC_SUFFIX(CoverStrokePath, NV);
GR_GL_GET_PROC_SUFFIX(CoverFillPathInstanced, NV);
GR_GL_GET_PROC_SUFFIX(CoverStrokePathInstanced, NV);
GR_GL_GET_PROC_SUFFIX(GetPathParameteriv, NV);
GR_GL_GET_PROC_SUFFIX(GetPathParameterfv, NV);
GR_GL_GET_PROC_SUFFIX(GetPathCommands, NV);
GR_GL_GET_PROC_SUFFIX(GetPathCoords, NV);
GR_GL_GET_PROC_SUFFIX(GetPathDashArray, NV);
GR_GL_GET_PROC_SUFFIX(GetPathMetrics, NV);
GR_GL_GET_PROC_SUFFIX(GetPathMetricRange, NV);
GR_GL_GET_PROC_SUFFIX(GetPathSpacing, NV);
GR_GL_GET_PROC_SUFFIX(GetPathColorGeniv, NV);
GR_GL_GET_PROC_SUFFIX(GetPathColorGenfv, NV);
GR_GL_GET_PROC_SUFFIX(GetPathTexGeniv, NV);
GR_GL_GET_PROC_SUFFIX(GetPathTexGenfv, NV);
GR_GL_GET_PROC_SUFFIX(IsPointInFillPath, NV);
GR_GL_GET_PROC_SUFFIX(IsPointInStrokePath, NV);
GR_GL_GET_PROC_SUFFIX(GetPathLength, NV);
GR_GL_GET_PROC_SUFFIX(PointAlongPath, NV);
}
interface->fStandard = kGL_GrGLStandard;
return interface;
} else {
return NULL;
}
}
