diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/gpu/gl/unix/GrGLCreateNativeInterface_unix.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gfx/skia/trunk/src/gpu/gl/unix/GrGLCreateNativeInterface_unix.cpp Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,286 @@ + +/* + * 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 +#include +#include +#include + +#define GR_GL_GET_PROC(F) interface->fFunctions.f ## F = (GrGL ## F ## Proc) \ + glXGetProcAddress(reinterpret_cast("gl" #F)); +#define GR_GL_GET_PROC_SUFFIX(F, S) interface->fFunctions.f ## F = (GrGL ## F ## Proc) \ + glXGetProcAddress(reinterpret_cast("gl" #F #S)); + +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("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()); + GrGLInterface::Functions* functions = &interface->fFunctions; + + functions->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); + functions->fBindTexture = glBindTexture; + functions->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); + functions->fClear = glClear; + functions->fClearColor = glClearColor; + functions->fClearStencil = glClearStencil; + functions->fColorMask = glColorMask; + GR_GL_GET_PROC(CompileShader); + functions->fCompressedTexImage2D = glCompressedTexImage2D; + functions->fCopyTexSubImage2D = glCopyTexSubImage2D; + GR_GL_GET_PROC(CreateProgram); + GR_GL_GET_PROC(CreateShader); + functions->fCullFace = glCullFace; + GR_GL_GET_PROC(DeleteBuffers); + GR_GL_GET_PROC(DeleteProgram); + GR_GL_GET_PROC(DeleteQueries); + GR_GL_GET_PROC(DeleteShader); + functions->fDeleteTextures = glDeleteTextures; + functions->fDepthMask = glDepthMask; + functions->fDisable = glDisable; + GR_GL_GET_PROC(DisableVertexAttribArray); + functions->fDrawArrays = glDrawArrays; + functions->fDrawBuffer = glDrawBuffer; + GR_GL_GET_PROC(DrawBuffers); + functions->fDrawElements = glDrawElements; + functions->fEnable = glEnable; + GR_GL_GET_PROC(EnableVertexAttribArray); + GR_GL_GET_PROC(EndQuery); + functions->fFinish = glFinish; + functions->fFlush = glFlush; + functions->fFrontFace = glFrontFace; + GR_GL_GET_PROC(GenBuffers); + GR_GL_GET_PROC(GenerateMipmap); + GR_GL_GET_PROC(GetBufferParameteriv); + functions->fGetError = glGetError; + functions->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); + functions->fGetString = glGetString; + GR_GL_GET_PROC(GetStringi); + functions->fGetTexLevelParameteriv = glGetTexLevelParameteriv; + GR_GL_GET_PROC(GenQueries); + functions->fGenTextures = glGenTextures; + GR_GL_GET_PROC(GetUniformLocation); + functions->fLineWidth = glLineWidth; + GR_GL_GET_PROC(LinkProgram); + GR_GL_GET_PROC(MapBuffer); + functions->fPixelStorei = glPixelStorei; + functions->fReadBuffer = glReadBuffer; + functions->fReadPixels = glReadPixels; + functions->fScissor = glScissor; + GR_GL_GET_PROC(ShaderSource); + functions->fStencilFunc = glStencilFunc; + GR_GL_GET_PROC(StencilFuncSeparate); + functions->fStencilMask = glStencilMask; + GR_GL_GET_PROC(StencilMaskSeparate); + functions->fStencilOp = glStencilOp; + GR_GL_GET_PROC(StencilOpSeparate); + functions->fTexImage2D = glTexImage2D; + functions->fTexGenfv = glTexGenfv; + functions->fTexGeni = glTexGeni; + functions->fTexParameteri = glTexParameteri; + functions->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); + } + functions->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); + functions->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); + } + + if (extensions.has("GL_EXT_debug_marker")) { + GR_GL_GET_PROC_SUFFIX(InsertEventMarker, EXT); + GR_GL_GET_PROC_SUFFIX(PushGroupMarker, EXT); + GR_GL_GET_PROC_SUFFIX(PopGroupMarker, EXT); + } + + interface->fStandard = kGL_GrGLStandard; + interface->fExtensions.swap(&extensions); + + return interface; + } else { + return NULL; + } +}