st/glsl_to_nir: add gs support to st_nir_assign_var_locations()
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com> Reviewed-by: Marek Olšák <marek.olsak@amd.com>
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@@ -122,26 +122,34 @@ st_nir_assign_vs_in_locations(struct gl_program *prog, nir_shader *nir)
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}
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static void
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st_nir_assign_var_locations(struct exec_list *var_list, unsigned *size)
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st_nir_assign_var_locations(struct exec_list *var_list, unsigned *size,
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gl_shader_stage stage)
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{
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unsigned location = 0;
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unsigned assigned_locations[VARYING_SLOT_MAX];
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uint64_t processed_locs = 0;
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nir_foreach_variable(var, var_list) {
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const struct glsl_type *type = var->type;
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if (nir_is_per_vertex_io(var, stage)) {
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assert(glsl_type_is_array(type));
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type = glsl_get_array_element(type);
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}
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/* Because component packing allows varyings to share the same location
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* we may have already have processed this location.
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*/
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if (var->data.location >= VARYING_SLOT_VAR0 &&
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processed_locs & ((uint64_t)1 << var->data.location)) {
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var->data.driver_location = assigned_locations[var->data.location];
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*size += type_size(var->type);
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*size += type_size(type);
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continue;
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}
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assigned_locations[var->data.location] = location;
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var->data.driver_location = location;
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location += type_size(var->type);
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location += type_size(type);
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processed_locs |= ((uint64_t)1 << var->data.location);
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}
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@@ -644,15 +652,18 @@ st_finalize_nir(struct st_context *st, struct gl_program *prog,
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sort_varyings(&nir->outputs);
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st_nir_assign_var_locations(&nir->outputs,
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&nir->num_outputs);
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&nir->num_outputs,
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nir->info.stage);
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st_nir_fixup_varying_slots(st, &nir->outputs);
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} else if (nir->info.stage == MESA_SHADER_FRAGMENT) {
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sort_varyings(&nir->inputs);
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st_nir_assign_var_locations(&nir->inputs,
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&nir->num_inputs);
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&nir->num_inputs,
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nir->info.stage);
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st_nir_fixup_varying_slots(st, &nir->inputs);
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st_nir_assign_var_locations(&nir->outputs,
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&nir->num_outputs);
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&nir->num_outputs,
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nir->info.stage);
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} else if (nir->info.stage == MESA_SHADER_COMPUTE) {
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/* TODO? */
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} else {
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