More work in Command Buffers...

command_buffer/service/cross/gl/gapi_gl.cc

 /*
  * Copyright 2009, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 385 matching lines @@
   CHECK_GL_ERROR();
 }
 
 void GAPIGL::Clear(unsigned int buffers,
                    const RGBA &color,
                    float depth,
                    unsigned int stencil) {
   glClearColor(color.red, color.green, color.blue, color.alpha);
   glClearDepth(depth);
   glClearStencil(stencil);
-  glClear((buffers & COLOR ? GL_COLOR_BUFFER_BIT : 0) |
-          (buffers & DEPTH ? GL_DEPTH_BUFFER_BIT : 0) |
-          (buffers & STENCIL ? GL_STENCIL_BUFFER_BIT : 0));
+  glClear((buffers & kColor ? GL_COLOR_BUFFER_BIT : 0) |
+          (buffers & kDepth ? GL_DEPTH_BUFFER_BIT : 0) |
+          (buffers & kStencil ? GL_STENCIL_BUFFER_BIT : 0));
   CHECK_GL_ERROR();
 }
 
 }  // namespace command_buffer
 }  // namespace o3d