radv: use dithered alpha-to-coverage
authorRhys Perry <pendingchaos02@gmail.com>
Wed, 9 Jan 2019 14:40:15 +0000 (14:40 +0000)
committerRhys Perry <pendingchaos02@gmail.com>
Wed, 16 Jan 2019 20:49:23 +0000 (20:49 +0000)
commit8a52e4cc4fad4f1c75acc0badd624778f9dfe202
treed563e9b59c6044673bb4e79ac7b989787bedb1dd
parent187a6506a3e39ab613a9085fe01b23fb42f9aa6b
radv: use dithered alpha-to-coverage

This matches the behaviour of AMDVLK and hides banding.
It is also seems to be allowed by the Vulkan spec.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
src/amd/vulkan/radv_pipeline.c