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jay: allow simd32 gl_SamplePosition

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this should work fine now.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41808>
This commit is contained in:
Alyssa Rosenzweig 2026-05-26 08:32:41 -04:00 • committed by Marge Bot
parent c78c2e03f4
commit 67e3ee6fa9
1 changed files with 0 additions and 11 deletions
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11
src/intel/compiler/jay/jay_nir.c
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@ -261,17 +261,6 @@ jay_process_nir(const struct intel_device_info *devinfo,
/* TODO: Real heuristic */
bool do_simd32 = INTEL_SIMD(FS, 32);
do_simd32 &= stage == MESA_SHADER_COMPUTE || stage == MESA_SHADER_FRAGMENT;
/* TODO: The SIMD32 fragment payload is even more fragmented than RA
* currently models when sample position is read. RA needs a rework to handle
* the real partitions in a proper way (this is planned soon).
*
* Hot fix for
* dEQP-GLES31.functional.shaders.sample_variables.sample_pos.correctness.multisample_texture_4
*/
do_simd32 &=
!BITSET_TEST(nir->info.system_values_read, SYSTEM_VALUE_SAMPLE_POS);
unsigned simd_width = do_simd32 ? (nir->info.api_subgroup_size ?: 32) : 16;
if (stage == MESA_SHADER_VERTEX) {