/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrGLAssembleInterface.h"
#include "GrGLUtil.h"
#define GET_PROC(F) functions->f ## F = (GrGL ## F ## Proc) get(ctx, "gl" #F)
#define GET_PROC_SUFFIX(F, S) functions->f ## F = (GrGL ## F ## Proc) get(ctx, "gl" #F #S)
#define GET_PROC_LOCAL(F) GrGL ## F ## Proc F = (GrGL ## F ## Proc) get(ctx, "gl" #F)
#define GET_EGL_PROC_SUFFIX(F, S) functions->fEGL ## F = (GrEGL ## F ## Proc) get(ctx, "egl" #F #S)
const GrGLInterface* GrGLAssembleInterface(void* ctx, GrGLGetProc get) {
GET_PROC_LOCAL(GetString);
if (nullptr == GetString) {
return nullptr;
}
const char* verStr = reinterpret_cast<const char*>(GetString(GR_GL_VERSION));
if (nullptr == verStr) {
return nullptr;
}
GrGLStandard standard = GrGLGetStandardInUseFromString(verStr);
if (kGLES_GrGLStandard == standard) {
return GrGLAssembleGLESInterface(ctx, get);
} else if (kGL_GrGLStandard == standard) {
return GrGLAssembleGLInterface(ctx, get);
}
return nullptr;
}
static void get_egl_query_and_display(GrEGLQueryStringProc* queryString, GrEGLDisplay* display,
void* ctx, GrGLGetProc get) {
*queryString = (GrEGLQueryStringProc) get(ctx, "eglQueryString");
*display = GR_EGL_NO_DISPLAY;
if (*queryString) {
GrEGLGetCurrentDisplayProc getCurrentDisplay =
(GrEGLGetCurrentDisplayProc) get(ctx, "eglGetCurrentDisplay");
if (getCurrentDisplay) {
*display = getCurrentDisplay();
} else {
*queryString = nullptr;
}
}
}
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;
}
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;
}