anv: stop using 3DSTATE_WM::ForceThreadDispatchEnable (!30408) · Merge requests · Mesa / mesa · GitLab

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Lionel Landwerlin requested to merge llandwerlin/mesa:review/anv-no-force-thread-dispatch into main Jul 29, 2024

What does this MR do and why?

anv: stop using 3DSTATE_WM::ForceThreadDispatchEnable

Documentation says we should leave this field to the default value
(Normal). Instead we set 3DSTATE_PS_EXTRA::PixelShaderHasUAV when we
see that a fragment shader has side effects.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>