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anv: program 3DSTATE_MESH_DISTRIB with the recommended values

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It improves performance of vk_meshlet_cadscene on A770.

Fixes: f083df8710 ("anv: update task/mesh distribution with the recommended values")
Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19412>
(cherry picked from commit dcaaeb56ef)
This commit is contained in:
Marcin Ślusarz
2022-10-28 17:03:30 +02:00
committed by Dylan Baker
parent 79b70f3978
commit a2aa3198e0
2 changed files with 3 additions and 3 deletions
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2
.pick_status.json
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@@ -508,7 +508,7 @@
"description": "anv: program 3DSTATE_MESH_DISTRIB with the recommended values",
"nominated": true,
"nomination_type": 1,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": "f083df87108231005889b7af92f0cad7c61e1f81"
},

4
src/intel/vulkan/genX_pipeline.c
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@@ -2292,8 +2292,8 @@ emit_mesh_state(struct anv_graphics_pipeline *pipeline)
/* Recommended values from "Task and Mesh Distribution Programming". */
anv_batch_emit(&pipeline->base.batch, GENX(3DSTATE_MESH_DISTRIB), distrib) {
distrib.DistributionMode = MESH_RR_FREE;
distrib.TaskDistributionBatchSize = devinfo->num_slices > 2 ? 8 : 9; /* 2^N thread groups */
distrib.MeshDistributionBatchSize = devinfo->num_slices > 2 ? 5 : 3; /* 2^N thread groups */
distrib.TaskDistributionBatchSize = devinfo->num_slices > 2 ? 4 : 9; /* 2^N thread groups */
distrib.MeshDistributionBatchSize = devinfo->num_slices > 2 ? 3 : 3; /* 2^N thread groups */
}
}
#endif