const AttachedRenderbuffer * FramebufferAttachment::asRenderBufferAttachment() const { return isRenderBufferAttachment() ? reinterpret_cast<const AttachedRenderbuffer*>(this) : nullptr; }
RenderBufferAttachment * FrameBufferAttachment::asRenderBufferAttachment() { return isRenderBufferAttachment() ? reinterpret_cast<RenderBufferAttachment*>(this) : nullptr; }