Use EXT_direct_state_access for path matrix manipulation

src/gpu/gl/mesa/GrGLCreateMesaInterface.cpp

 
 /*
  * 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/GrGLExtensions.h"
 #include "gl/GrGLInterface.h"
@@ skipping 100 matching lines @@
     GR_GL_GET_PROC(GetQueryiv);
     GR_GL_GET_PROC(GetShaderInfoLog);
     GR_GL_GET_PROC(GetShaderiv);
     GR_GL_GET_PROC(GetString);
     GR_GL_GET_PROC(GetStringi);
     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(LoadIdentity);
-    GR_GL_GET_PROC(LoadMatrixf);
-    GR_GL_GET_PROC(MatrixMode);
     GR_GL_GET_PROC(MapBuffer);
+    if (extensions.has("GL_EXT_direct_state_access")) {
+        GR_GL_GET_PROC_SUFFIX(MatrixLoadf, EXT);
+        GR_GL_GET_PROC_SUFFIX(MatrixLoadIdentity, EXT);
+    }
     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);
@@ skipping 94 matching lines @@
         GR_GL_GET_PROC(InvalidateSubFramebuffer);
         GR_GL_GET_PROC(InvalidateTexImage);
         GR_GL_GET_PROC(InvalidateTexSubImage);
     }
 
     interface->fStandard = kGL_GrGLStandard;
     interface->fExtensions.swap(&extensions);
 
     return interface;
 }