Reviewed-by: Bas Nieuwenhuizen <b...@basnieuwenhuizen.nl>
I'm assuming the real fix is for the shader to not write the sample
mask if we have 1 sample?
On Tue, Feb 12, 2019 at 6:52 PM Samuel Pitoiset
<samuel.pitoi...@gmail.com> wrote:
>
> For some reasons, this breaks trees rendering in Project Cars.
>
> Fixes: 85010585cde ("radv: only enable gl_SampleMask if MSAA is enabled too")
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109401
> Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
> ---
> src/amd/vulkan/radv_pipeline.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
> index fb6c61cf3f0..a9df2b94b93 100644
> --- a/src/amd/vulkan/radv_pipeline.c
> +++ b/src/amd/vulkan/radv_pipeline.c
> @@ -3183,11 +3183,11 @@ radv_compute_db_shader_control(const struct
> radv_device *device,
> bool disable_rbplus = device->physical_device->has_rbplus &&
> !device->physical_device->rbplus_allowed;
>
> - /* Do not enable the gl_SampleMask fragment shader output if MSAA is
> - * disabled.
> + /* It shouldn't be needed to export gl_SampleMask when MSAA is
> disabled
> + * but this appears to break Project Cars (DXVK). See
> + * https://bugs.freedesktop.org/show_bug.cgi?id=109401
> */
> - bool mask_export_enable = ms->num_samples > 1 &&
> - ps->info.info.ps.writes_sample_mask;
> + bool mask_export_enable = ps->info.info.ps.writes_sample_mask;
>
> return S_02880C_Z_EXPORT_ENABLE(ps->info.info.ps.writes_z) |
>
> S_02880C_STENCIL_TEST_VAL_EXPORT_ENABLE(ps->info.info.ps.writes_stencil) |
> --
> 2.20.1
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
