[Mesa-dev] [PATCH] rav: use 32_AR instead of 32_ABGR when alpha coverage is required

[Bas Nieuwenhuizen]

Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>

On Fri, Mar 1, 2019 at 6:25 PM Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
>
> This export format is faster. Seems to improve performance in
> Wreckfest.
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/amd/vulkan/radv_pipeline.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
> index 30c3f60790e..7f2f96c540a 100644
> --- a/src/amd/vulkan/radv_pipeline.c
> +++ b/src/amd/vulkan/radv_pipeline.c
> @@ -529,7 +529,7 @@ radv_pipeline_compute_spi_color_formats(struct radv_pipeline *pipeline,
>                  * alpha channel of MRT0 when alpha coverage is enabled because
>                  * the depth attachment needs it.
>                  */
> -               col_format |= V_028714_SPI_SHADER_32_ABGR;
> +               col_format |= V_028714_SPI_SHADER_32_AR;
>         }
>
>         /* If the i-th target format is set, all previous target formats must
> --
> 2.21.0
>
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