On Wed, 21 Dec 2011 13:39:05 -0800, Paul Berry <stereotype...@gmail.com> wrote: > This patch series ensures that meta-ops (such as glClear or > glGenerateMipmapEXT) function properly when transform feedback or > rasterizer discard is enabled. > > Most of the code changes necessary to make this work are in core mesa: > patches 1/5 and 5/5 ensure that meta ops properly pause transform > feedback and disable rasterizer discard (and restore the state > properly when the meta op is over). Patch 2/5 ensures that > PauseTransformFeedback interacts properly with BeginTransformFeedback > and EndTransformFeedback (so that there is no danger of transform > feedback being in a paused state after a call to > BeginTransformFeedback). Patch 3/5 ensures that that while transform > feedback is paused, it's possible to switch programs and do drawing > that isn't compatible with the transform feedback mode. > > Patch 4/5 implements transform feedback pause/resume functionality in > the i965 driver. We don't expose this functionality to the user yet, > but we need it for meta ops to work correctly.
The series is Reviewed-by: Eric Anholt <e...@anholt.net>
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