tree 6ae27e36b2eb142710ca4d9b117da6f68b6be047
parent e33167af7977d4d11f846e99ddee01c7a757294c
author Samuel Pitoiset <samuel.pitoiset@gmail.com> 1580455382 +0100
committer Dylan Baker <dylan@pnwbakers.com> 1580489434 -0800

aco: fix MUBUF VS input loads when expanding vec3 to vec4 on GFX6

When some unused channels are skipped and that we expand vec3 loads
to vec4 loads, we have to adjust the fourth component.

While we are at it, add an assertion to make sure we don't use
MUBUF for vec3 loads on GFX6.

Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/2450
Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/2442
Fixes: 6aecc316 ("aco: fix VS input loads with MUBUF on GFX6")
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3641>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3641>
(cherry picked from commit 0d14f41625fa00187f690f283c1eb6a22e354a71)