Check framebuffer texture attachments are cube complete

third_party/WebKit/Source/modules/webgl/WebGLFramebuffer.h

 /*
  * 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 31 matching lines @@
         virtual ~WebGLAttachment();
 
         virtual GLsizei width() const = 0;
         virtual GLsizei height() const = 0;
         virtual GLenum format() const = 0;
         // For texture attachment, type() returns the type of the attached texture.
         // For renderbuffer attachment, the type of the renderbuffer may vary with GL implementation.
         // To avoid confusion, it would be better to not implement type() for renderbuffer attachment and
         // we should always use the internalformat of the renderbuffer and avoid using type() API.
         virtual GLenum type() const = 0;
+        virtual bool isCubeComplete() const = 0;
         virtual WebGLSharedObject* object() const = 0;
         virtual bool isSharedObject(WebGLSharedObject*) const = 0;
         virtual bool valid() const = 0;
         virtual void onDetached(WebGraphicsContext3D*) = 0;
         virtual void attach(WebGraphicsContext3D*, GLenum target, GLenum attachment) = 0;
         virtual void unattach(WebGraphicsContext3D*, GLenum target, GLenum attachment) = 0;
 
         DEFINE_INLINE_VIRTUAL_TRACE() { }
 
     protected:
@@ skipping 79 matching lines @@
 
     Vector<GLenum> m_drawBuffers;
     Vector<GLenum> m_filteredDrawBuffers;
 
     GLenum m_readBuffer;
 };
 
 } // namespace blink
 
 #endif // WebGLFramebuffer_h