[Mesa-dev] [PATCH 0/10] i965: Implement hiz and separate stencil for window framebuffer

[Ian Romanick]

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On 06/05/2011 02:44 AM, Chris Wilson wrote:
> I have a naive question: why are we allocating stencil/depth/aux buffers
> through X/DRI2?
> 
> I can understand for the sake of interoperability why the color buffer
> attachments are negotiated with X, but I can't see any reason why X
> wants to know about the others.

Because multiple processes can render to the same window, pbuffer, or
pixmap, and they'll want the same set of buffers.
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