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jay: Disable SIMD32 if ray queries are used

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Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/42006>
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Calder Young 2026-06-02 17:23:24 -07:00 • committed by Marge Bot
parent 773a0e71ce
commit 576fc784c9
1 changed files with 4 additions and 0 deletions
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4
src/intel/compiler/jay/jay_nir.c
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@ -354,6 +354,10 @@ jay_process_nir(const struct intel_device_info *devinfo,
if (stage == MESA_SHADER_FRAGMENT && nir->info.fs.color_is_dual_source)
do_simd32 = false;
/* SIMD splitting of ray queries is inefficient, avoid it when possible */
if (prog_data->base.ray_queries && nir->info.min_subgroup_size < 32)
do_simd32 = false;
unsigned simd_width = do_simd32 ? (nir->info.api_subgroup_size ?: 32) : 16;
brw_pass_tracker pt_ = {