Add GL_ARB_invalidate_subdata functions to GrGLInterface.

src/gpu/gl/unix/GrGLCreateNativeInterface_unix.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"
@@ skipping 260 matching lines @@
         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);
     }
 
+    if (glVer >= GR_GL_VER(4,3) || extensions.has("GL_ARB_invalidate_subdata")) {
+        GR_GL_GET_PROC(InvalidateBufferData);
+        GR_GL_GET_PROC(InvalidateBufferSubData);
+        GR_GL_GET_PROC(InvalidateFramebuffer);
+        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;
 }