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radv: add radv_pipeline_key::dynamic_rasterization_samples

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With GPL, it's possible to build the main FS without the multisample
state, but the number of rasterization samples is required for
lowering interpolateAtSample(). In this rare situation, the number of
samples will be passed through a new user SGPR.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18677>
This commit is contained in:
Samuel Pitoiset
2022-09-15 13:36:51 +02:00
committed by Marge Bot
parent 45d4ee91e0
commit f85b7e294b
2 changed files with 4 additions and 0 deletions
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3
src/amd/vulkan/radv_pipeline.c
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@@ -2818,6 +2818,9 @@ radv_generate_graphics_pipeline_key(const struct radv_graphics_pipeline *pipelin
key.dynamic_patch_control_points =
!!(pipeline->dynamic_states & RADV_DYNAMIC_PATCH_CONTROL_POINTS);
key.dynamic_rasterization_samples =
!!(pipeline->active_stages & VK_SHADER_STAGE_FRAGMENT_BIT) && !state->ms;
return key;
}