diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/gpu/gl/mac/GrGLCreateNativeInterface_mac.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gfx/skia/trunk/src/gpu/gl/mac/GrGLCreateNativeInterface_mac.cpp Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,247 @@ + +/* + * Copyright 2011 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + + +#include "gl/GrGLInterface.h" +#include "../GrGLUtil.h" + +#include + +// We get the proc addresss of all GL functions dynamically because we sometimes link against +// alternative GL implementations (e.g. MESA) in addition to the native GL implementation. +class GLLoader { +public: + GLLoader() { + fLibrary = dlopen( + "/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib", + RTLD_LAZY); + } + ~GLLoader() { + if (NULL != fLibrary) { + dlclose(fLibrary); + } + } + void* handle() { + return NULL == fLibrary ? RTLD_DEFAULT : fLibrary; + } +private: + void* fLibrary; +}; + +static void* GetProcAddress(const char* name) { + static GLLoader gLoader; + return dlsym(gLoader.handle(), name); +} + +#define GET_PROC(name) (interface->fFunctions.f ## name = ((GrGL ## name ## Proc) GetProcAddress("gl" #name))) +#define GET_PROC_SUFFIX(name, suffix) (interface->fFunctions.f ## name = ((GrGL ## name ## Proc) GetProcAddress("gl" #name #suffix))) + +const GrGLInterface* GrGLCreateNativeInterface() { + + GrGLGetStringProc glGetString = (GrGLGetStringProc) GetProcAddress("glGetString"); + GrGLGetStringiProc glGetStringi = (GrGLGetStringiProc) GetProcAddress("glGetStringi"); + GrGLGetIntegervProc glGetIntegerv = (GrGLGetIntegervProc) GetProcAddress("glGetIntegerv"); + + const char* verStr = (const char*) glGetString(GR_GL_VERSION); + GrGLVersion ver = GrGLGetVersionFromString(verStr); + GrGLExtensions extensions; + if (!extensions.init(kGL_GrGLStandard, glGetString, glGetStringi, glGetIntegerv)) { + return NULL; + } + + GrGLInterface* interface = SkNEW(GrGLInterface); + interface->fStandard = kGL_GrGLStandard; + + GET_PROC(ActiveTexture); + GET_PROC(AttachShader); + GET_PROC(BeginQuery); + GET_PROC(BindAttribLocation); + GET_PROC(BindBuffer); + if (ver >= GR_GL_VER(3,0)) { + GET_PROC(BindFragDataLocation); + } + GET_PROC(BindTexture); + GET_PROC(BlendFunc); + + if (ver >= 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(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(GenQueries); + GET_PROC(GetBufferParameteriv); + GET_PROC(GetError); + GET_PROC(GetIntegerv); + GET_PROC(GetProgramInfoLog); + GET_PROC(GetProgramiv); + GET_PROC(GetQueryiv); + GET_PROC(GetQueryObjectiv); + GET_PROC(GetQueryObjectuiv); + GET_PROC(GetShaderInfoLog); + GET_PROC(GetShaderiv); + GET_PROC(GetString); + GET_PROC(GetStringi); + GET_PROC(GetTexLevelParameteriv); + GET_PROC(GenTextures); + GET_PROC(GetUniformLocation); + GET_PROC(LineWidth); + GET_PROC(LinkProgram); + GET_PROC(LoadIdentity); + GET_PROC(LoadMatrixf); + GET_PROC(MapBuffer); + GET_PROC(MatrixMode); + 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(TexGenfv); + GET_PROC(TexGeni); + GET_PROC(TexImage2D); + GET_PROC(TexParameteri); + GET_PROC(TexParameteriv); + if (ver >= 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(Uniform4fv); + GET_PROC(UniformMatrix2fv); + GET_PROC(UniformMatrix3fv); + GET_PROC(UniformMatrix4fv); + GET_PROC(UnmapBuffer); + GET_PROC(UseProgram); + GET_PROC(VertexAttrib4fv); + GET_PROC(VertexAttribPointer); + GET_PROC(Viewport); + + if (ver >= 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(DeleteVertexArrays); + GET_PROC(GenVertexArrays); + } + + if (ver >= GR_GL_VER(3,3) || extensions.has("GL_ARB_timer_query")) { + // ARB extension doesn't use the ARB suffix on the function name + GET_PROC(QueryCounter); + GET_PROC(GetQueryObjecti64v); + GET_PROC(GetQueryObjectui64v); + } else if (extensions.has("GL_EXT_timer_query")) { + GET_PROC_SUFFIX(GetQueryObjecti64v, EXT); + GET_PROC_SUFFIX(GetQueryObjectui64v, EXT); + } + + if (ver >= GR_GL_VER(3,0) || extensions.has("GL_ARB_framebuffer_object")) { + // ARB extension doesn't use the ARB suffix on the function names + 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); + } + } + if (ver >= GR_GL_VER(3,3) || extensions.has("GL_ARB_blend_func_extended")) { + // ARB extension doesn't use the ARB suffix on the function name + GET_PROC(BindFragDataLocationIndexed); + } + + if (extensions.has("GL_EXT_debug_marker")) { + GET_PROC_SUFFIX(InsertEventMarker, EXT); + GET_PROC_SUFFIX(PushGroupMarker, EXT); + GET_PROC_SUFFIX(PopGroupMarker, EXT); + } + + interface->fExtensions.swap(&extensions); + return interface; +}