On Tue, 13 Dec 2011 15:35:21 -0800, Paul Berry <stereotype...@gmail.com> wrote: > A common use case for transform feedback is to perform one draw > operation that writes transform feedback output to a buffer, followed > by a second draw operation that consumes that buffer as vertex input. > Since vertex input is consumed at an earlier pipeline stage than > writing transform feedback output, we need to flush the pipeline to > ensure that the transform feedback output is completely written before > the data is consumed.
Reviewed-by: Eric Anholt <e...@anholt.net>
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