[Mesa-dev] [PATCH 0/5] i965 gen6: Fix interactions between transform feedback and meta-ops.

[Eric Anholt]

On Wed, 21 Dec 2011 13:39:05 -0800, Paul Berry <stereotype441 at 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 <eric at anholt.net>
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