Add support to GrGLInterface for vertex array objects

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/GrGLExtensions.h"
@@ skipping 146 matching lines @@
         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);
         interface->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);
@@ skipping 28 matching lines @@
             delete interface;
             return NULL;
         }
         interface->fBindingsExported = kDesktop_GrGLBinding;
 
         return interface;
     } else {
         return NULL;
     }
 }