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radv: always export gl_SampleMask when the fragment shader uses it

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For some reasons, this breaks trees rendering in Project Cars.

Fixes: 85010585cd ("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.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2019-02-12 09:50:15 +01:00
parent 736241892f
commit 334da034d8
1 changed files with 4 additions and 4 deletions
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8
src/amd/vulkan/radv_pipeline.c
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@@ -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) |