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nir/gather_info: gather per_view info

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Signed-off-by: Job Noorman <jnoorman@igalia.com>
Reviewed-by: Emma Anholt <emma@anholt.net>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40651>
This commit is contained in:
Job Noorman 2026-04-03 08:18:08 +02:00
parent 273fd18b89
commit 2403e88a76
1 changed files with 12 additions and 1 deletions
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13
src/compiler/nir/nir_gather_info.c
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@ -201,6 +201,9 @@ set_io_mask(nir_shader *shader, nir_variable *var, int offset, int len,
if (shader->info.stage == MESA_SHADER_FRAGMENT &&
!is_output_read && var->data.index == 1)
shader->info.fs.color_is_dual_source = true;
if (var->data.per_view)
shader->info.per_view_outputs |= bitfield;
}
}
}
@ -423,6 +426,7 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, nir_shader *shader)
uint64_t slot_mask = 0;
uint16_t slot_mask_16bit = 0;
bool is_patch_special = false;
bool is_per_view = false;
if (nir_intrinsic_has_io_semantics(instr)) {
nir_io_semantics semantics = nir_intrinsic_io_semantics(instr);
@ -431,6 +435,7 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, nir_shader *shader)
semantics.location == VARYING_SLOT_TESS_LEVEL_OUTER ||
semantics.location == VARYING_SLOT_BOUNDING_BOX0 ||
semantics.location == VARYING_SLOT_BOUNDING_BOX1;
is_per_view = semantics.per_view;
if (semantics.location >= VARYING_SLOT_PATCH0 &&
semantics.location <= VARYING_SLOT_PATCH31) {
@ -641,6 +646,9 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, nir_shader *shader)
if (shader->info.stage == MESA_SHADER_FRAGMENT &&
nir_intrinsic_io_semantics(instr).fb_fetch_output)
shader->info.fs.uses_fbfetch_output = true;
if (is_per_view)
shader->info.per_view_outputs |= slot_mask;
break;
case nir_intrinsic_store_output:
@ -691,6 +699,9 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, nir_shader *shader)
if (shader->info.stage == MESA_SHADER_FRAGMENT &&
instr->intrinsic == nir_intrinsic_store_pixel_local)
shader->info.fs.accesses_pixel_local_storage = true;
if (is_per_view)
shader->info.per_view_outputs |= slot_mask;
break;
case nir_intrinsic_load_subgroup_size:
@ -1081,6 +1092,7 @@ nir_shader_gather_info(nir_shader *shader, nir_function_impl *entrypoint)
shader->info.patch_outputs_written_indirectly = 0;
shader->info.per_primitive_inputs = 0;
shader->info.per_primitive_outputs = 0;
shader->info.per_view_outputs = 0;
shader->info.uses_resource_info_query = false;
@ -1125,7 +1137,6 @@ nir_shader_gather_info(nir_shader *shader, nir_function_impl *entrypoint)
gather_func_info(entrypoint, shader, &visited_funcs);
_mesa_set_fini(&visited_funcs, NULL);
shader->info.per_view_outputs = 0;
nir_foreach_shader_out_variable(var, shader) {
if (var->data.per_primitive) {
assert(shader->info.stage == MESA_SHADER_MESH);