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radeonsi: support mesh shader per vertex output

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mesh shader uses per vertex output store, and
si_nir_assign_param_offsets assert output store to be
scalar.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37932>
This commit is contained in:
Qiang Yu 2025-05-12 15:23:07 +08:00 • committed by Marge Bot
parent 845f333111
commit 8ef07d4d8b
2 changed files with 4 additions and 2 deletions
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3
src/gallium/drivers/radeonsi/si_shader.c
View file

@ -1226,7 +1226,8 @@ static void si_nir_assign_param_offsets(nir_shader *nir, struct si_shader *shade
continue;
nir_intrinsic_instr *intr = nir_instr_as_intrinsic(instr);
if (intr->intrinsic != nir_intrinsic_store_output)
if (intr->intrinsic != nir_intrinsic_store_output &&
intr->intrinsic != nir_intrinsic_store_per_vertex_output)
continue;
/* No indirect indexing allowed. */

3
src/gallium/drivers/radeonsi/si_shader_nir.c
View file

@ -324,7 +324,8 @@ static void si_lower_nir(struct si_screen *sscreen, struct nir_shader *nir)
/* si_nir_kill_outputs and ac_nir_optimize_outputs require outputs to be scalar. */
if (nir->info.stage == MESA_SHADER_VERTEX ||
nir->info.stage == MESA_SHADER_TESS_EVAL ||
nir->info.stage == MESA_SHADER_GEOMETRY)
nir->info.stage == MESA_SHADER_GEOMETRY ||
nir->info.stage == MESA_SHADER_MESH)
NIR_PASS(_, nir, nir_lower_io_to_scalar, nir_var_shader_out, NULL, NULL);
if (nir->info.stage == MESA_SHADER_GEOMETRY) {