Use EXT_direct_state_access for path matrix manipulation

src/gpu/gl/win/GrGLCreateNativeInterface_win.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/GrGLInterface.h"
 #include "gl/GrGLUtil.h"
@@ skipping 85 matching lines @@
         SET_PROC(Enable)
         SET_PROC(FrontFace)
         SET_PROC(Finish)
         SET_PROC(Flush)
         SET_PROC(GenTextures)
         SET_PROC(GetError)
         SET_PROC(GetIntegerv)
         SET_PROC(GetString)
         SET_PROC(GetTexLevelParameteriv)
         SET_PROC(LineWidth)
-        SET_PROC(LoadIdentity)
-        SET_PROC(LoadMatrixf)
-        SET_PROC(MatrixMode)
         SET_PROC(PixelStorei)
         SET_PROC(ReadBuffer)
         SET_PROC(ReadPixels)
         SET_PROC(Scissor)
         SET_PROC(StencilFunc)
         SET_PROC(StencilMask)
         SET_PROC(StencilOp)
         SET_PROC(TexImage2D)
         SET_PROC(TexParameteri)
         SET_PROC(TexParameteriv)
@@ skipping 116 matching lines @@
                 WGL_SET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT);
             }
             if (extensions.has("GL_EXT_framebuffer_blit")) {
                 WGL_SET_PROC_SUFFIX(BlitFramebuffer, EXT);
             }
         } else {
             // we must have FBOs
             delete interface;
             return NULL;
         }
+
         WGL_SET_PROC(MapBuffer);
+        if (extensions.has("GL_EXT_direct_state_access")) {
+            WGL_SET_PROC_SUFFIX(MatrixLoadf, EXT);
+            WGL_SET_PROC_SUFFIX(MatrixLoadIdentity, EXT);
+        }
         WGL_SET_PROC(UnmapBuffer);
 
         if (extensions.has("GL_NV_path_rendering")) {
             WGL_SET_PROC_SUFFIX(PathCommands, NV);
             WGL_SET_PROC_SUFFIX(PathCoords, NV);
             WGL_SET_PROC_SUFFIX(PathSubCommands, NV);
             WGL_SET_PROC_SUFFIX(PathSubCoords, NV);
             WGL_SET_PROC_SUFFIX(PathString, NV);
             WGL_SET_PROC_SUFFIX(PathGlyphs, NV);
             WGL_SET_PROC_SUFFIX(PathGlyphRange, NV);
@@ skipping 57 matching lines @@
         }
 
         interface->fStandard = kGL_GrGLStandard;
         interface->fExtensions.swap(&extensions);
 
         return interface;
     } else {
         return NULL;
     }
 }