Plumbed in discard_framebuffer extension

src/gpu/gl/GrGLNoOpInterface.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLNoOpInterface_DEFINED
 #define GrGLNoOpInterface_DEFINED
 
@@ skipping 141 matching lines @@
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLTexParameteriv(GrGLenum target,
                                                   GrGLenum pname,
                                                   const GrGLint* params);
 
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLTexStorage2D(GrGLenum target,
                                                 GrGLsizei levels,
                                                 GrGLenum internalformat,
                                                 GrGLsizei width,
                                                 GrGLsizei height);
 
+GrGLvoid GR_GL_FUNCTION_TYPE noOpGLDiscardFramebuffer(GrGLenum target, 
+                                                      GrGLsizei numAttachments, 
+                                                      const GrGLenum* attachments);
+
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLTexSubImage2D(GrGLenum target,
                                                  GrGLint level,
                                                  GrGLint xoffset,
                                                  GrGLint yoffset,
                                                  GrGLsizei width,
                                                  GrGLsizei height,
                                                  GrGLenum format,
                                                  GrGLenum type,
                                                  const GrGLvoid* pixels);
 
@@ skipping 175 matching lines @@
 const GrGLubyte* GR_GL_FUNCTION_TYPE noOpGLGetStringi(GrGLenum name, GrGLuint i);
 
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLGetTexLevelParameteriv(GrGLenum target,
                                                           GrGLint level,
                                                           GrGLenum pname,
                                                           GrGLint* params);
 
 GrGLint GR_GL_FUNCTION_TYPE noOpGLGetUniformLocation(GrGLuint program, const char* name);
 
 #endif