src/third_party/skia/src/gpu/gl/android/GrGLCreateNativeInterface_android.cpp

   1 // Modified from chromium/src/webkit/glue/gl_bindings_skia_cmd_buffer.cc
   2
   3 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   4 // Use of this source code is governed by a BSD-style license that can be
   5 // found in the LICENSE file.
   6
   7 #include "gl/GrGLExtensions.h"
   8 #include "gl/GrGLInterface.h"
   9 #include "gl/GrGLUtil.h"
  10
  11 #ifndef GL_GLEXT_PROTOTYPES
  12 #define GL_GLEXT_PROTOTYPES
  13 #endif
  14
  15 #include <GLES2/gl2.h>
  16 #include <GLES2/gl2ext.h>
  17
  18 #include <EGL/egl.h>
  19
  20 static GrGLInterface* create_es_interface(GrGLVersion version,
  21                                           GrGLExtensions* extensions) {
  22     if (version < GR_GL_VER(2,0)) {
  23         return NULL;
  24     }
  25
  26     GrGLInterface* interface = SkNEW(GrGLInterface);
  27     interface->fStandard = kGLES_GrGLStandard;
  28     GrGLInterface::Functions* functions = &interface->fFunctions;
  29
  30     functions->fActiveTexture = glActiveTexture;
  31     functions->fAttachShader = glAttachShader;
  32     functions->fBindAttribLocation = glBindAttribLocation;
  33     functions->fBindBuffer = glBindBuffer;
  34     functions->fBindTexture = glBindTexture;
  35     functions->fBindVertexArray = glBindVertexArrayOES;
  36     functions->fBlendColor = glBlendColor;
  37     functions->fBlendFunc = glBlendFunc;
  38     functions->fBufferData = glBufferData;
  39     functions->fBufferSubData = glBufferSubData;
  40     functions->fClear = glClear;
  41     functions->fClearColor = glClearColor;
  42     functions->fClearStencil = glClearStencil;
  43     functions->fColorMask = glColorMask;
  44     functions->fCompileShader = glCompileShader;
  45     functions->fCompressedTexImage2D = glCompressedTexImage2D;
  46     functions->fCopyTexSubImage2D = glCopyTexSubImage2D;
  47     functions->fCreateProgram = glCreateProgram;
  48     functions->fCreateShader = glCreateShader;
  49     functions->fCullFace = glCullFace;
  50     functions->fDeleteBuffers = glDeleteBuffers;
  51     functions->fDeleteProgram = glDeleteProgram;
  52     functions->fDeleteShader = glDeleteShader;
  53     functions->fDeleteTextures = glDeleteTextures;
  54     functions->fDeleteVertexArrays = glDeleteVertexArraysOES;
  55     functions->fDepthMask = glDepthMask;
  56     functions->fDisable = glDisable;
  57     functions->fDisableVertexAttribArray = glDisableVertexAttribArray;
  58     functions->fDrawArrays = glDrawArrays;
  59     functions->fDrawElements = glDrawElements;
  60     functions->fEnable = glEnable;
  61     functions->fEnableVertexAttribArray = glEnableVertexAttribArray;
  62     functions->fFinish = glFinish;
  63     functions->fFlush = glFlush;
  64     functions->fFrontFace = glFrontFace;
  65     functions->fGenBuffers = glGenBuffers;
  66     functions->fGenerateMipmap = glGenerateMipmap;
  67     functions->fGenTextures = glGenTextures;
  68     functions->fGenVertexArrays = glGenVertexArraysOES;
  69     functions->fGetBufferParameteriv = glGetBufferParameteriv;
  70     functions->fGetError = glGetError;
  71     functions->fGetIntegerv = glGetIntegerv;
  72     functions->fGetProgramInfoLog = glGetProgramInfoLog;
  73     functions->fGetProgramiv = glGetProgramiv;
  74     functions->fGetShaderInfoLog = glGetShaderInfoLog;
  75     functions->fGetShaderiv = glGetShaderiv;
  76     functions->fGetString = glGetString;
  77 #if GL_ES_VERSION_30
  78     functions->fGetStringi = glGetStringi;
  79 #else
  80     functions->fGetStringi = (GrGLGetStringiProc) eglGetProcAddress("glGetStringi");
  81 #endif
  82     functions->fGetUniformLocation = glGetUniformLocation;
  83     functions->fLineWidth = glLineWidth;
  84     functions->fLinkProgram = glLinkProgram;
  85     functions->fPixelStorei = glPixelStorei;
  86     functions->fReadPixels = glReadPixels;
  87     functions->fScissor = glScissor;
  88 #if GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE
  89     functions->fShaderSource = (GrGLShaderSourceProc) glShaderSource;
  90 #else
  91     functions->fShaderSource = glShaderSource;
  92 #endif
  93     functions->fStencilFunc = glStencilFunc;
  94     functions->fStencilFuncSeparate = glStencilFuncSeparate;
  95     functions->fStencilMask = glStencilMask;
  96     functions->fStencilMaskSeparate = glStencilMaskSeparate;
  97     functions->fStencilOp = glStencilOp;
  98     functions->fStencilOpSeparate = glStencilOpSeparate;
  99     functions->fTexImage2D = glTexImage2D;
 100     functions->fTexParameteri = glTexParameteri;
 101     functions->fTexParameteriv = glTexParameteriv;
 102     functions->fTexSubImage2D = glTexSubImage2D;
 103
 104     if (version >= GR_GL_VER(3,0)) {
 105 #if GL_ES_VERSION_3_0
 106         functions->fTexStorage2D = glTexStorage2D;
 107 #else
 108         functions->fTexStorage2D = (GrGLTexStorage2DProc) eglGetProcAddress("glTexStorage2D");
 109 #endif
 110     } else {
 111 #if GL_EXT_texture_storage
 112         functions->fTexStorage2D = glTexStorage2DEXT;
 113 #else
 114         functions->fTexStorage2D = (GrGLTexStorage2DProc) eglGetProcAddress("glTexStorage2DEXT");
 115 #endif
 116     }
 117
 118 #if GL_EXT_discard_framebuffer
 119     functions->fDiscardFramebuffer = glDiscardFramebufferEXT;
 120 #endif
 121     functions->fUniform1f = glUniform1f;
 122     functions->fUniform1i = glUniform1i;
 123     functions->fUniform1fv = glUniform1fv;
 124     functions->fUniform1iv = glUniform1iv;
 125     functions->fUniform2f = glUniform2f;
 126     functions->fUniform2i = glUniform2i;
 127     functions->fUniform2fv = glUniform2fv;
 128     functions->fUniform2iv = glUniform2iv;
 129     functions->fUniform3f = glUniform3f;
 130     functions->fUniform3i = glUniform3i;
 131     functions->fUniform3fv = glUniform3fv;
 132     functions->fUniform3iv = glUniform3iv;
 133     functions->fUniform4f = glUniform4f;
 134     functions->fUniform4i = glUniform4i;
 135     functions->fUniform4fv = glUniform4fv;
 136     functions->fUniform4iv = glUniform4iv;
 137     functions->fUniformMatrix2fv = glUniformMatrix2fv;
 138     functions->fUniformMatrix3fv = glUniformMatrix3fv;
 139     functions->fUniformMatrix4fv = glUniformMatrix4fv;
 140     functions->fUseProgram = glUseProgram;
 141     functions->fVertexAttrib4fv = glVertexAttrib4fv;
 142     functions->fVertexAttribPointer = glVertexAttribPointer;
 143     functions->fViewport = glViewport;
 144     functions->fBindFramebuffer = glBindFramebuffer;
 145     functions->fBindRenderbuffer = glBindRenderbuffer;
 146     functions->fCheckFramebufferStatus = glCheckFramebufferStatus;
 147     functions->fDeleteFramebuffers = glDeleteFramebuffers;
 148     functions->fDeleteRenderbuffers = glDeleteRenderbuffers;
 149     functions->fFramebufferRenderbuffer = glFramebufferRenderbuffer;
 150     functions->fFramebufferTexture2D = glFramebufferTexture2D;
 151
 152     if (version >= GR_GL_VER(3,0)) {
 153 #if GL_ES_VERSION_3_0
 154         functions->fRenderbufferStorageMultisample = glRenderbufferStorageMultisample;
 155         functions->fBlitFramebuffer = glBlitFramebuffer;
 156 #else
 157         functions->fRenderbufferStorageMultisample = (GrGLRenderbufferStorageMultisampleProc) eglGetProcAddress("glRenderbufferStorageMultisample");
 158         functions->fBlitFramebuffer = (GrGLBlitFramebufferProc) eglGetProcAddress("glBlitFramebuffer");
 159 #endif
 160     }
 161
 162     if (extensions->has("GL_EXT_multisampled_render_to_texture")) {
 163 #if GL_EXT_multisampled_render_to_texture
 164         functions->fFramebufferTexture2DMultisample = glFramebufferTexture2DMultisampleEXT;
 165         functions->fRenderbufferStorageMultisampleES2EXT = glRenderbufferStorageMultisampleEXT;
 166 #else
 167         functions->fFramebufferTexture2DMultisample = (GrGLFramebufferTexture2DMultisampleProc) eglGetProcAddress("glFramebufferTexture2DMultisampleEXT");
 168         functions->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStorageMultisampleProc) eglGetProcAddress("glRenderbufferStorageMultisampleEXT");
 169 #endif
 170     } else if (extensions->has("GL_IMG_multisampled_render_to_texture")) {
 171 #if GL_IMG_multisampled_render_to_texture
 172         functions->fFramebufferTexture2DMultisample = glFramebufferTexture2DMultisampleIMG;
 173         functions->fRenderbufferStorageMultisampleES2EXT = glRenderbufferStorageMultisampleIMG;
 174 #else
 175         functions->fFramebufferTexture2DMultisample = (GrGLFramebufferTexture2DMultisampleProc) eglGetProcAddress("glFramebufferTexture2DMultisampleIMG");
 176         functions->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStorageMultisampleProc) eglGetProcAddress("glRenderbufferStorageMultisampleIMG");
 177 #endif
 178     }
 179
 180     functions->fGenFramebuffers = glGenFramebuffers;
 181     functions->fGenRenderbuffers = glGenRenderbuffers;
 182     functions->fGetFramebufferAttachmentParameteriv = glGetFramebufferAttachmentParameteriv;
 183     functions->fGetRenderbufferParameteriv = glGetRenderbufferParameteriv;
 184     functions->fRenderbufferStorage = glRenderbufferStorage;
 185 #if GL_OES_mapbuffer
 186     functions->fMapBuffer = glMapBufferOES;
 187     functions->fUnmapBuffer = glUnmapBufferOES;
 188 #else
 189     functions->fMapBuffer = (GrGLMapBufferProc) eglGetProcAddress("glMapBufferOES");
 190     functions->fUnmapBuffer = (GrGLUnmapBufferProc) eglGetProcAddress("glUnmapBufferOES");
 191 #endif
 192
 193     if (extensions->has("GL_EXT_debug_marker")) {
 194         functions->fInsertEventMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glInsertEventMarker");
 195         functions->fPushGroupMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glPushGroupMarker");
 196         functions->fPopGroupMarker = (GrGLPopGroupMarkerProc) eglGetProcAddress("glPopGroupMarker");
 197         // The below check is here because a device has been found that has the extension string but
 198         // returns NULL from the eglGetProcAddress for the functions
 199         if (NULL == functions->fInsertEventMarker ||
 200             NULL == functions->fPushGroupMarker ||
 201             NULL == functions->fPopGroupMarker) {
 202             extensions->remove("GL_EXT_debug_marker");
 203         }
 204     }
 205
 206     return interface;
 207 }
 208
 209 static GrGLInterface* create_desktop_interface(GrGLVersion version,
 210                                                const GrGLExtensions& extensions) {
 211     // Currently this assumes a 4.4 context or later. Supporting lower GL versions would require
 212     // getting suffixed versions of pointers for supported extensions.
 213     if (version < GR_GL_VER(4,4)) {
 214         return NULL;
 215     }
 216
 217     GrGLInterface* interface = SkNEW(GrGLInterface);
 218     interface->fStandard = kGL_GrGLStandard;
 219     GrGLInterface::Functions* functions = &interface->fFunctions;
 220
 221     functions->fActiveTexture = (GrGLActiveTextureProc) eglGetProcAddress("glActiveTexture");
 222     functions->fAttachShader = (GrGLAttachShaderProc) eglGetProcAddress("glAttachShader");
 223     functions->fBeginQuery = (GrGLBeginQueryProc) eglGetProcAddress("glBeginQuery");
 224     functions->fBindAttribLocation = (GrGLBindAttribLocationProc) eglGetProcAddress("glBindAttribLocation");
 225     functions->fBindBuffer = (GrGLBindBufferProc) eglGetProcAddress("glBindBuffer");
 226     functions->fBindFragDataLocation = (GrGLBindFragDataLocationProc) eglGetProcAddress("glBindFragDataLocation");
 227     functions->fBindFragDataLocationIndexed = (GrGLBindFragDataLocationIndexedProc) eglGetProcAddress("glBindFragDataLocationIndexed");
 228     functions->fBindFramebuffer = (GrGLBindFramebufferProc) eglGetProcAddress("glBindFramebuffer");
 229     functions->fBindRenderbuffer = (GrGLBindRenderbufferProc) eglGetProcAddress("glBindRenderbuffer");
 230     functions->fBindTexture = (GrGLBindTextureProc) eglGetProcAddress("glBindTexture");
 231     functions->fBindVertexArray = (GrGLBindVertexArrayProc) eglGetProcAddress("glBindVertexArray");
 232     functions->fBlendColor = (GrGLBlendColorProc) eglGetProcAddress("glBlendColor");
 233     functions->fBlendFunc = (GrGLBlendFuncProc) eglGetProcAddress("glBlendFunc");
 234     functions->fBlitFramebuffer = (GrGLBlitFramebufferProc) eglGetProcAddress("glBlitFramebuffer");
 235     functions->fBufferData = (GrGLBufferDataProc) eglGetProcAddress("glBufferData");
 236     functions->fBufferSubData = (GrGLBufferSubDataProc) eglGetProcAddress("glBufferSubData");
 237     functions->fCheckFramebufferStatus = (GrGLCheckFramebufferStatusProc) eglGetProcAddress("glCheckFramebufferStatus");
 238     functions->fClear = (GrGLClearProc) eglGetProcAddress("glClear");
 239     functions->fClearColor = (GrGLClearColorProc) eglGetProcAddress("glClearColor");
 240     functions->fClearStencil = (GrGLClearStencilProc) eglGetProcAddress("glClearStencil");
 241     functions->fColorMask = (GrGLColorMaskProc) eglGetProcAddress("glColorMask");
 242     functions->fCompileShader = (GrGLCompileShaderProc) eglGetProcAddress("glCompileShader");
 243     functions->fCompressedTexImage2D = (GrGLCompressedTexImage2DProc) eglGetProcAddress("glCompressedTexImage2D");
 244     functions->fCopyTexSubImage2D = (GrGLCopyTexSubImage2DProc) eglGetProcAddress("glCopyTexSubImage2D");
 245     functions->fCreateProgram = (GrGLCreateProgramProc) eglGetProcAddress("glCreateProgram");
 246     functions->fCreateShader = (GrGLCreateShaderProc) eglGetProcAddress("glCreateShader");
 247     functions->fCullFace = (GrGLCullFaceProc) eglGetProcAddress("glCullFace");
 248     functions->fDeleteBuffers = (GrGLDeleteBuffersProc) eglGetProcAddress("glDeleteBuffers");
 249     functions->fDeleteFramebuffers = (GrGLDeleteFramebuffersProc) eglGetProcAddress("glDeleteFramebuffers");
 250     functions->fDeleteProgram = (GrGLDeleteProgramProc) eglGetProcAddress("glDeleteProgram");
 251     functions->fDeleteQueries = (GrGLDeleteQueriesProc) eglGetProcAddress("glDeleteQueries");
 252     functions->fDeleteRenderbuffers = (GrGLDeleteRenderbuffersProc) eglGetProcAddress("glDeleteRenderbuffers");
 253     functions->fDeleteShader = (GrGLDeleteShaderProc) eglGetProcAddress("glDeleteShader");
 254     functions->fDeleteTextures = (GrGLDeleteTexturesProc) eglGetProcAddress("glDeleteTextures");
 255     functions->fDeleteVertexArrays = (GrGLDeleteVertexArraysProc) eglGetProcAddress("glDeleteVertexArrays");
 256     functions->fDepthMask = (GrGLDepthMaskProc) eglGetProcAddress("glDepthMask");
 257     functions->fDisable = (GrGLDisableProc) eglGetProcAddress("glDisable");
 258     functions->fDisableVertexAttribArray = (GrGLDisableVertexAttribArrayProc) eglGetProcAddress("glDisableVertexAttribArray");
 259     functions->fDrawArrays = (GrGLDrawArraysProc) eglGetProcAddress("glDrawArrays");
 260     functions->fDrawBuffer = (GrGLDrawBufferProc) eglGetProcAddress("glDrawBuffer");
 261     functions->fDrawBuffers = (GrGLDrawBuffersProc) eglGetProcAddress("glDrawBuffers");
 262     functions->fDrawElements = (GrGLDrawElementsProc) eglGetProcAddress("glDrawElements");
 263     functions->fEnable = (GrGLEnableProc) eglGetProcAddress("glEnable");
 264     functions->fEnableVertexAttribArray = (GrGLEnableVertexAttribArrayProc) eglGetProcAddress("glEnableVertexAttribArray");
 265     functions->fEndQuery = (GrGLEndQueryProc) eglGetProcAddress("glEndQuery");
 266     functions->fFinish = (GrGLFinishProc) eglGetProcAddress("glFinish");
 267     functions->fFlush = (GrGLFlushProc) eglGetProcAddress("glFlush");
 268     functions->fFramebufferRenderbuffer = (GrGLFramebufferRenderbufferProc) eglGetProcAddress("glFramebufferRenderbuffer");
 269     functions->fFramebufferTexture2D = (GrGLFramebufferTexture2DProc) eglGetProcAddress("glFramebufferTexture2D");
 270     functions->fFrontFace = (GrGLFrontFaceProc) eglGetProcAddress("glFrontFace");
 271     functions->fGenBuffers = (GrGLGenBuffersProc) eglGetProcAddress("glGenBuffers");
 272     functions->fGenFramebuffers = (GrGLGenFramebuffersProc) eglGetProcAddress("glGenFramebuffers");
 273     functions->fGenerateMipmap = (GrGLGenerateMipmapProc) eglGetProcAddress("glGenerateMipmap");
 274     functions->fGenQueries = (GrGLGenQueriesProc) eglGetProcAddress("glGenQueries");
 275     functions->fGenRenderbuffers = (GrGLGenRenderbuffersProc) eglGetProcAddress("glGenRenderbuffers");
 276     functions->fGenTextures = (GrGLGenTexturesProc) eglGetProcAddress("glGenTextures");
 277     functions->fGenVertexArrays = (GrGLGenVertexArraysProc) eglGetProcAddress("glGenVertexArrays");
 278     functions->fGetBufferParameteriv = (GrGLGetBufferParameterivProc) eglGetProcAddress("glGetBufferParameteriv");
 279     functions->fGetError = (GrGLGetErrorProc) eglGetProcAddress("glGetError");
 280     functions->fGetFramebufferAttachmentParameteriv = (GrGLGetFramebufferAttachmentParameterivProc) eglGetProcAddress("glGetFramebufferAttachmentParameteriv");
 281     functions->fGetIntegerv = (GrGLGetIntegervProc) eglGetProcAddress("glGetIntegerv");
 282     functions->fGetQueryObjecti64v = (GrGLGetQueryObjecti64vProc) eglGetProcAddress("glGetQueryObjecti64v");
 283     functions->fGetQueryObjectiv = (GrGLGetQueryObjectivProc) eglGetProcAddress("glGetQueryObjectiv");
 284     functions->fGetQueryObjectui64v = (GrGLGetQueryObjectui64vProc) eglGetProcAddress("glGetQueryObjectui64v");
 285     functions->fGetQueryObjectuiv = (GrGLGetQueryObjectuivProc) eglGetProcAddress("glGetQueryObjectuiv");
 286     functions->fGetQueryiv = (GrGLGetQueryivProc) eglGetProcAddress("glGetQueryiv");
 287     functions->fGetProgramInfoLog = (GrGLGetProgramInfoLogProc) eglGetProcAddress("glGetProgramInfoLog");
 288     functions->fGetProgramiv = (GrGLGetProgramivProc) eglGetProcAddress("glGetProgramiv");
 289     functions->fGetRenderbufferParameteriv = (GrGLGetRenderbufferParameterivProc) eglGetProcAddress("glGetRenderbufferParameteriv");
 290     functions->fGetShaderInfoLog = (GrGLGetShaderInfoLogProc) eglGetProcAddress("glGetShaderInfoLog");
 291     functions->fGetShaderiv = (GrGLGetShaderivProc) eglGetProcAddress("glGetShaderiv");
 292     functions->fGetString = (GrGLGetStringProc) eglGetProcAddress("glGetString");
 293     functions->fGetStringi = (GrGLGetStringiProc) eglGetProcAddress("glGetStringi");
 294     functions->fGetTexLevelParameteriv = (GrGLGetTexLevelParameterivProc) eglGetProcAddress("glGetTexLevelParameteriv");
 295     functions->fGetUniformLocation = (GrGLGetUniformLocationProc) eglGetProcAddress("glGetUniformLocation");
 296     functions->fLineWidth = (GrGLLineWidthProc) eglGetProcAddress("glLineWidth");
 297     functions->fLinkProgram = (GrGLLinkProgramProc) eglGetProcAddress("glLinkProgram");
 298     functions->fLoadIdentity = (GrGLLoadIdentityProc) eglGetProcAddress("glLoadIdentity");
 299     functions->fLoadMatrixf = (GrGLLoadMatrixfProc) eglGetProcAddress("glLoadMatrixf");
 300     functions->fMapBuffer = (GrGLMapBufferProc) eglGetProcAddress("glMapBuffer");
 301     functions->fMatrixMode = (GrGLMatrixModeProc) eglGetProcAddress("glMatrixMode");
 302     functions->fPixelStorei = (GrGLPixelStoreiProc) eglGetProcAddress("glPixelStorei");
 303     functions->fQueryCounter = (GrGLQueryCounterProc) eglGetProcAddress("glQueryCounter");
 304     functions->fReadBuffer = (GrGLReadBufferProc) eglGetProcAddress("glReadBuffer");
 305     functions->fReadPixels = (GrGLReadPixelsProc) eglGetProcAddress("glReadPixels");
 306     functions->fRenderbufferStorage = (GrGLRenderbufferStorageProc) eglGetProcAddress("glRenderbufferStorage");
 307     functions->fRenderbufferStorageMultisample = (GrGLRenderbufferStorageMultisampleProc) eglGetProcAddress("glRenderbufferStorageMultisample");
 308     functions->fScissor = (GrGLScissorProc) eglGetProcAddress("glScissor");
 309     functions->fShaderSource = (GrGLShaderSourceProc) eglGetProcAddress("glShaderSource");
 310     functions->fStencilFunc = (GrGLStencilFuncProc) eglGetProcAddress("glStencilFunc");
 311     functions->fStencilFuncSeparate = (GrGLStencilFuncSeparateProc) eglGetProcAddress("glStencilFuncSeparate");
 312     functions->fStencilMask = (GrGLStencilMaskProc) eglGetProcAddress("glStencilMask");
 313     functions->fStencilMaskSeparate = (GrGLStencilMaskSeparateProc) eglGetProcAddress("glStencilMaskSeparate");
 314     functions->fStencilOp = (GrGLStencilOpProc) eglGetProcAddress("glStencilOp");
 315     functions->fStencilOpSeparate = (GrGLStencilOpSeparateProc) eglGetProcAddress("glStencilOpSeparate");
 316     functions->fTexGenfv = (GrGLTexGenfvProc) eglGetProcAddress("glTexGenfv");
 317     functions->fTexGeni = (GrGLTexGeniProc) eglGetProcAddress("glTexGeni");
 318     functions->fTexImage2D = (GrGLTexImage2DProc) eglGetProcAddress("glTexImage2D");
 319     functions->fTexParameteri = (GrGLTexParameteriProc) eglGetProcAddress("glTexParameteri");
 320     functions->fTexParameteriv = (GrGLTexParameterivProc) eglGetProcAddress("glTexParameteriv");
 321     functions->fTexSubImage2D = (GrGLTexSubImage2DProc) eglGetProcAddress("glTexSubImage2D");
 322     functions->fTexStorage2D = (GrGLTexStorage2DProc) eglGetProcAddress("glTexStorage2D");
 323     functions->fUniform1f = (GrGLUniform1fProc) eglGetProcAddress("glUniform1f");
 324     functions->fUniform1i = (GrGLUniform1iProc) eglGetProcAddress("glUniform1i");
 325     functions->fUniform1fv = (GrGLUniform1fvProc) eglGetProcAddress("glUniform1fv");
 326     functions->fUniform1iv = (GrGLUniform1ivProc) eglGetProcAddress("glUniform1iv");
 327     functions->fUniform2f = (GrGLUniform2fProc) eglGetProcAddress("glUniform2f");
 328     functions->fUniform2i = (GrGLUniform2iProc) eglGetProcAddress("glUniform2i");
 329     functions->fUniform2fv = (GrGLUniform2fvProc) eglGetProcAddress("glUniform2fv");
 330     functions->fUniform2iv = (GrGLUniform2ivProc) eglGetProcAddress("glUniform2iv");
 331     functions->fUniform3f = (GrGLUniform3fProc) eglGetProcAddress("glUniform3f");
 332     functions->fUniform3i = (GrGLUniform3iProc) eglGetProcAddress("glUniform3i");
 333     functions->fUniform3fv = (GrGLUniform3fvProc) eglGetProcAddress("glUniform3fv");
 334     functions->fUniform3iv = (GrGLUniform3ivProc) eglGetProcAddress("glUniform3iv");
 335     functions->fUniform4f = (GrGLUniform4fProc) eglGetProcAddress("glUniform4f");
 336     functions->fUniform4i = (GrGLUniform4iProc) eglGetProcAddress("glUniform4i");
 337     functions->fUniform4fv = (GrGLUniform4fvProc) eglGetProcAddress("glUniform4fv");
 338     functions->fUniform4iv = (GrGLUniform4ivProc) eglGetProcAddress("glUniform4iv");
 339     functions->fUniformMatrix2fv = (GrGLUniformMatrix2fvProc) eglGetProcAddress("glUniformMatrix2fv");
 340     functions->fUniformMatrix3fv = (GrGLUniformMatrix3fvProc) eglGetProcAddress("glUniformMatrix3fv");
 341     functions->fUniformMatrix4fv = (GrGLUniformMatrix4fvProc) eglGetProcAddress("glUniformMatrix4fv");
 342     functions->fUnmapBuffer = (GrGLUnmapBufferProc) eglGetProcAddress("glUnmapBuffer");
 343     functions->fUseProgram = (GrGLUseProgramProc) eglGetProcAddress("glUseProgram");
 344     functions->fVertexAttrib4fv = (GrGLVertexAttrib4fvProc) eglGetProcAddress("glVertexAttrib4fv");
 345     functions->fVertexAttribPointer = (GrGLVertexAttribPointerProc) eglGetProcAddress("glVertexAttribPointer");
 346     functions->fViewport = (GrGLViewportProc) eglGetProcAddress("glViewport");
 347
 348     if (extensions.has("GL_NV_path_rendering")) {
 349         functions->fPathCommands = (GrGLPathCommandsProc) eglGetProcAddress("glPathCommandsNV");
 350         functions->fPathCoords = (GrGLPathCoordsProc) eglGetProcAddress("glPathCoordsNV");
 351         functions->fPathSubCommands = (GrGLPathSubCommandsProc) eglGetProcAddress("glPathSubCommandsNV");
 352         functions->fPathSubCoords = (GrGLPathSubCoordsProc) eglGetProcAddress("glPathSubCoordsNV");
 353         functions->fPathString = (GrGLPathStringProc) eglGetProcAddress("glPathStringNV");
 354         functions->fPathGlyphs = (GrGLPathGlyphsProc) eglGetProcAddress("glPathGlyphsNV");
 355         functions->fPathGlyphRange = (GrGLPathGlyphRangeProc) eglGetProcAddress("glPathGlyphRangeNV");
 356         functions->fWeightPaths = (GrGLWeightPathsProc) eglGetProcAddress("glWeightPathsNV");
 357         functions->fCopyPath = (GrGLCopyPathProc) eglGetProcAddress("glCopyPathNV");
 358         functions->fInterpolatePaths = (GrGLInterpolatePathsProc) eglGetProcAddress("glInterpolatePathsNV");
 359         functions->fTransformPath = (GrGLTransformPathProc) eglGetProcAddress("glTransformPathNV");
 360         functions->fPathParameteriv = (GrGLPathParameterivProc) eglGetProcAddress("glPathParameterivNV");
 361         functions->fPathParameteri = (GrGLPathParameteriProc) eglGetProcAddress("glPathParameteriNV");
 362         functions->fPathParameterfv = (GrGLPathParameterfvProc) eglGetProcAddress("glPathParameterfvNV");
 363         functions->fPathParameterf = (GrGLPathParameterfProc) eglGetProcAddress("glPathParameterfNV");
 364         functions->fPathDashArray = (GrGLPathDashArrayProc) eglGetProcAddress("glPathDashArrayNV");
 365         functions->fGenPaths = (GrGLGenPathsProc) eglGetProcAddress("glGenPathsNV");
 366         functions->fDeletePaths = (GrGLDeletePathsProc) eglGetProcAddress("glDeletePathsNV");
 367         functions->fIsPath = (GrGLIsPathProc) eglGetProcAddress("glIsPathNV");
 368         functions->fPathStencilFunc = (GrGLPathStencilFuncProc) eglGetProcAddress("glPathStencilFuncNV");
 369         functions->fPathStencilDepthOffset = (GrGLPathStencilDepthOffsetProc) eglGetProcAddress("glPathStencilDepthOffsetNV");
 370         functions->fStencilFillPath = (GrGLStencilFillPathProc) eglGetProcAddress("glStencilFillPathNV");
 371         functions->fStencilStrokePath = (GrGLStencilStrokePathProc) eglGetProcAddress("glStencilStrokePathNV");
 372         functions->fStencilFillPathInstanced = (GrGLStencilFillPathInstancedProc) eglGetProcAddress("glStencilFillPathInstancedNV");
 373         functions->fStencilStrokePathInstanced = (GrGLStencilStrokePathInstancedProc) eglGetProcAddress("glStencilStrokePathInstancedNV");
 374         functions->fPathCoverDepthFunc = (GrGLPathCoverDepthFuncProc) eglGetProcAddress("glPathCoverDepthFuncNV");
 375         functions->fPathColorGen = (GrGLPathColorGenProc) eglGetProcAddress("glPathColorGenNV");
 376         functions->fPathTexGen = (GrGLPathTexGenProc) eglGetProcAddress("glPathTexGenNV");
 377         functions->fPathFogGen = (GrGLPathFogGenProc) eglGetProcAddress("glPathFogGenNV");
 378         functions->fCoverFillPath = (GrGLCoverFillPathProc) eglGetProcAddress("glCoverFillPathNV");
 379         functions->fCoverStrokePath = (GrGLCoverStrokePathProc) eglGetProcAddress("glCoverStrokePathNV");
 380         functions->fCoverFillPathInstanced = (GrGLCoverFillPathInstancedProc) eglGetProcAddress("glCoverFillPathInstancedNV");
 381         functions->fCoverStrokePathInstanced = (GrGLCoverStrokePathInstancedProc) eglGetProcAddress("glCoverStrokePathInstancedNV");
 382         functions->fGetPathParameteriv = (GrGLGetPathParameterivProc) eglGetProcAddress("glGetPathParameterivNV");
 383         functions->fGetPathParameterfv = (GrGLGetPathParameterfvProc) eglGetProcAddress("glGetPathParameterfvNV");
 384         functions->fGetPathCommands = (GrGLGetPathCommandsProc) eglGetProcAddress("glGetPathCommandsNV");
 385         functions->fGetPathCoords = (GrGLGetPathCoordsProc) eglGetProcAddress("glGetPathCoordsNV");
 386         functions->fGetPathDashArray = (GrGLGetPathDashArrayProc) eglGetProcAddress("glGetPathDashArrayNV");
 387         functions->fGetPathMetrics = (GrGLGetPathMetricsProc) eglGetProcAddress("glGetPathMetricsNV");
 388         functions->fGetPathMetricRange = (GrGLGetPathMetricRangeProc) eglGetProcAddress("glGetPathMetricRangeNV");
 389         functions->fGetPathSpacing = (GrGLGetPathSpacingProc) eglGetProcAddress("glGetPathSpacingNV");
 390         functions->fGetPathColorGeniv = (GrGLGetPathColorGenivProc) eglGetProcAddress("glGetPathColorGenivNV");
 391         functions->fGetPathColorGenfv = (GrGLGetPathColorGenfvProc) eglGetProcAddress("glGetPathColorGenfvNV");
 392         functions->fGetPathTexGeniv = (GrGLGetPathTexGenivProc) eglGetProcAddress("glGetPathTexGenivNV");
 393         functions->fGetPathTexGenfv = (GrGLGetPathTexGenfvProc) eglGetProcAddress("glGetPathTexGenfvNV");
 394         functions->fIsPointInFillPath = (GrGLIsPointInFillPathProc) eglGetProcAddress("glIsPointInFillPathNV");
 395         functions->fIsPointInStrokePath = (GrGLIsPointInStrokePathProc) eglGetProcAddress("glIsPointInStrokePathNV");
 396         functions->fGetPathLength = (GrGLGetPathLengthProc) eglGetProcAddress("glGetPathLengthNV");
 397         functions->fPointAlongPath = (GrGLPointAlongPathProc) eglGetProcAddress("glPointAlongPathNV");
 398     }
 399
 400     if (extensions.has("GL_EXT_debug_marker")) {
 401         functions->fInsertEventMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glInsertEventMarkerEXT");
 402         functions->fPushGroupMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glPushGroupMarkerEXT");
 403         functions->fPopGroupMarker = (GrGLPopGroupMarkerProc) eglGetProcAddress("glPopGroupMarkerEXT");
 404     }
 405
 406     return interface;
 407 }
 408
 409 const GrGLInterface* GrGLCreateNativeInterface() {
 410
 411     GrGLGetStringiProc getStringi = (GrGLGetStringiProc) eglGetProcAddress("glGetStringi");
 412
 413     const char* verStr = reinterpret_cast<const char*>(glGetString(GR_GL_VERSION));
 414     GrGLVersion version = GrGLGetVersionFromString(verStr);
 415     GrGLStandard standard = GrGLGetStandardInUseFromString(verStr);
 416
 417     GrGLExtensions extensions;
 418     if (!extensions.init(standard, glGetString, getStringi, glGetIntegerv)) {
 419         return NULL;
 420     }
 421
 422     GrGLInterface* interface = NULL;
 423     if (kGLES_GrGLStandard == standard) {
 424         interface = create_es_interface(version, &extensions);
 425     } else if (kGL_GrGLStandard == standard) {
 426         interface = create_desktop_interface(version, extensions);
 427     }
 428
 429     if (NULL != interface) {
 430         interface->fExtensions.swap(&extensions);
 431     }
 432
 433     return interface;
 434 }