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third_party_mesa3d/src
Georg Lehmann f750108aa9 aco/gfx12: disable vinterp ddx/ddy optimization
This only seems to work on gfx11 and gfx11.5, and it's only faster on gfx11.5.

We could continue to use vinterp, with constants copied to vgprs, but
whether that's beneficial depends on the shader.

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>

Fixes: bee487df48 ("aco/gfx11.5+: use vinterp for fddx/fddy")
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/12250
(cherry picked from commit 7425e71ae0)

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32730>
2024-12-06 08:44:03 -08:00
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