Move WebGL1 attachment image type / attachment point matching check to command buffer.

third_party/WebKit/Source/modules/webgl/WebGLRenderbuffer.cpp

 /*
  * Copyright (C) 2009 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 18 matching lines @@
 
 namespace blink {
 
 WebGLRenderbuffer* WebGLRenderbuffer::create(WebGLRenderingContextBase* ctx)
 {
     return new WebGLRenderbuffer(ctx);
 }
 
 WebGLRenderbuffer::~WebGLRenderbuffer()
 {
-    // This render buffer (heap) object must finalize itself.
-    m_emulatedStencilBuffer.clear();
-
     // See the comment in WebGLObject::detachAndDeleteObject().
     detachAndDeleteObject();
 }
 
 WebGLRenderbuffer::WebGLRenderbuffer(WebGLRenderingContextBase* ctx)
     : WebGLSharedPlatform3DObject(ctx)
     , m_internalFormat(GL_RGBA4)
     , m_width(0)
     , m_height(0)
     , m_hasEverBeenBound(false)
 {
     setObject(ctx->webContext()->createRenderbuffer());
 }
 
 void WebGLRenderbuffer::deleteObjectImpl(WebGraphicsContext3D* context3d)
 {
     context3d->deleteRenderbuffer(m_object);
     m_object = 0;
-    deleteEmulatedStencilBuffer(context3d);
-}
-
-void WebGLRenderbuffer::deleteEmulatedStencilBuffer(WebGraphicsContext3D* context3d)
-{
-    if (!m_emulatedStencilBuffer)
-        return;
-    m_emulatedStencilBuffer->deleteObject(context3d);
-    m_emulatedStencilBuffer.clear();
 }
 
 DEFINE_TRACE(WebGLRenderbuffer)
 {
-    visitor->trace(m_emulatedStencilBuffer);
     WebGLSharedPlatform3DObject::trace(visitor);
 }
 
 } // namespace blink