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anv: use primitive ID override when shader does not supply it

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Patch moves over this fix from iris driver.

Fixes following test on DG2:
   dEQP-VK.rasterization.culling.primitive_id

Cc: mesa-stable
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Ivan Briano <ivan.briano@intel.com> [v1]
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22130>
(cherry picked from commit ca4ec49b0e)
This commit is contained in:
Tapani Pälli 2023-03-28 19:07:22 +03:00 • committed by Dylan Baker
parent b96362381b
commit 3c4e28cdf4
2 changed files with 14 additions and 1 deletions
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2
.pick_status.json
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@ -3208,7 +3208,7 @@
"description": "anv: use primitive ID override when shader does not supply it",
"nominated": true,
"nomination_type": 0,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": null
},

13
src/intel/vulkan/genX_pipeline.c
View file

@ -498,6 +498,19 @@ emit_3dstate_sbe(struct anv_graphics_pipeline *pipeline)
sbe.VertexURBEntryReadLength = DIV_ROUND_UP(max_source_attr + 1, 2);
sbe.ForceVertexURBEntryReadOffset = true;
sbe.ForceVertexURBEntryReadLength = true;
/* Ask the hardware to supply PrimitiveID if the fragment shader
* reads it but a previous stage didn't write one.
*/
if ((wm_prog_data->inputs & VARYING_BIT_PRIMITIVE_ID) &&
fs_input_map->varying_to_slot[VARYING_SLOT_PRIMITIVE_ID] == -1) {
sbe.PrimitiveIDOverrideAttributeSelect =
wm_prog_data->urb_setup[VARYING_SLOT_PRIMITIVE_ID];
sbe.PrimitiveIDOverrideComponentX = true;
sbe.PrimitiveIDOverrideComponentY = true;
sbe.PrimitiveIDOverrideComponentZ = true;
sbe.PrimitiveIDOverrideComponentW = true;
}
} else {
assert(anv_pipeline_is_mesh(pipeline));
#if GFX_VERx10 >= 125