On 12/21/2011 01:39 PM, Paul Berry 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. > > [PATCH 1/5] mesa: Save and restore GL_RASTERIZER_DISCARD state during meta > ops. > [PATCH 2/5] mesa: Ensure that Paused is reset to false on > EndTransformFeedback. > [PATCH 3/5] mesa: Disable certain error checks when transform feedback is > paused > [PATCH 4/5] i965 gen6: Implement transform feedback pause/resume > functionality. > [PATCH 5/5] mesa: Pause transform feedback during meta ops. > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/mesa-dev
Patches 1-3 and 5 are Reviewed-by: Kenneth Graunke <kenn...@whitecape.org> I have questions about patch 4. _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
