Chromium implementation of discardBackbuffer WebGraphicsContext3D extension.

webkit/gpu/webgraphicscontext3d_in_process_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/gpu/webgraphicscontext3d_in_process_impl.h"
 
 #include <string.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 711 matching lines @@
   return 0;
 }
 
 void WebGraphicsContext3DInProcessImpl::unmapTexSubImage2DCHROMIUM(
     const void* mem) {
 }
 
 void WebGraphicsContext3DInProcessImpl::setVisibilityCHROMIUM(bool visible) {
 }
 
+void WebGraphicsContext3DInProcessImpl::
+    setMemoryAllocationChangedCallbackCHROMIUM(
+        WebGraphicsMemoryAllocationChangedCallbackCHROMIUM* callback) {
+}
+
+void WebGraphicsContext3DInProcessImpl::discardFramebufferEXT(
+    WGC3Denum target, WGC3Dsizei numAttachments, const WGC3Denum* attachments) {
+}
+
+void WebGraphicsContext3DInProcessImpl::ensureFramebufferCHROMIUM() {
+}
+
 void WebGraphicsContext3DInProcessImpl::copyTextureToParentTextureCHROMIUM(
     WebGLId id, WebGLId id2) {
   NOTIMPLEMENTED();
 }
 
 WebString WebGraphicsContext3DInProcessImpl::
     getRequestableExtensionsCHROMIUM() {
   return WebString();
 }
 
@@ skipping 993 matching lines @@
   if (length > 1) {
     entry->translated_source.reset(new char[length]);
     ShGetObjectCode(compiler, entry->translated_source.get());
   }
   entry->is_valid = true;
   return true;
 }
 
 }  // namespace gpu
 }  // namespace webkit