tree c17afea374864b6b74af67b8cf8b60bf36ad1b93
parent f4d976d5917980542acff50caa0981c20c50fc78
author Dave Airlie <airlied@redhat.com> 1604518954 +1000
committer Dylan Baker <dylan.c.baker@intel.com> 1605290735 -0800

gallium: handle empty cbuf slots in framebuffer samples helper

If we have cbufs but they are all empty, default
to returning the fb->samples.

Fixes:
dEQP-VK.pipeline.multisample.mixed_count.1_4_unused
on lavapipe

v2:
drop unneeded chunk (Roland)

Cc: 20.3 <mesa-stable>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7499>
(cherry picked from commit 4b1d23b24343dbb4e6c579502c712d86ba07903f)