return NULL;
}
+ case nir_intrinsic_load_helper_invocation:
+ if (b->shader->options->lower_helper_invocation) {
+ nir_ssa_def *tmp;
+ tmp = nir_ishl(b, nir_imm_int(b, 1),
+ nir_load_sample_id_no_per_sample(b));
+ tmp = nir_iand(b, nir_load_sample_mask_in(b), tmp);
+ return nir_inot(b, nir_i2b(b, tmp));
+ } else {
+ return NULL;
+ }
+
+ case nir_intrinsic_load_local_invocation_id:
+ case nir_intrinsic_load_local_invocation_index:
+ case nir_intrinsic_load_local_group_size:
+ return sanitize_32bit_sysval(b, intrin);
+
+ case nir_intrinsic_load_deref: {
+ nir_deref_instr *deref = nir_src_as_deref(intrin->src[0]);
+ if (deref->mode != nir_var_system_value)
+ return NULL;
+
+ if (deref->deref_type != nir_deref_type_var) {
+ /* The only one system value that is an array and that is
+ * gl_SampleMask which is always an array of one element.
+ */
+ assert(deref->deref_type == nir_deref_type_array);
+ deref = nir_deref_instr_parent(deref);
+ assert(deref->deref_type == nir_deref_type_var);
+ assert(deref->var->data.location == SYSTEM_VALUE_SAMPLE_MASK_IN);
+ }
+ nir_variable *var = deref->var;
+
+ switch (var->data.location) {
+ case SYSTEM_VALUE_INSTANCE_INDEX:
+ return nir_iadd(b, nir_load_instance_id(b),
+ nir_load_base_instance(b));
+
+ case SYSTEM_VALUE_SUBGROUP_EQ_MASK:
+ case SYSTEM_VALUE_SUBGROUP_GE_MASK:
+ case SYSTEM_VALUE_SUBGROUP_GT_MASK:
+ case SYSTEM_VALUE_SUBGROUP_LE_MASK:
+ case SYSTEM_VALUE_SUBGROUP_LT_MASK: {
+ nir_intrinsic_op op =
+ nir_intrinsic_from_system_value(var->data.location);
+ nir_intrinsic_instr *load = nir_intrinsic_instr_create(b->shader, op);
+ nir_ssa_dest_init_for_type(&load->instr, &load->dest,
+ var->type, NULL);
+ load->num_components = load->dest.ssa.num_components;
+ nir_builder_instr_insert(b, &load->instr);
+ return &load->dest.ssa;
+ }
+
+ case SYSTEM_VALUE_DEVICE_INDEX:
+ if (b->shader->options->lower_device_index_to_zero)
+ return nir_imm_int(b, 0);
+ break;
+
+ case SYSTEM_VALUE_GLOBAL_GROUP_SIZE:
+ return build_global_group_size(b, bit_size);
+
+ case SYSTEM_VALUE_BARYCENTRIC_LINEAR_PIXEL:
+ return nir_load_barycentric(b, nir_intrinsic_load_barycentric_pixel,
+ INTERP_MODE_NOPERSPECTIVE);
+
+ case SYSTEM_VALUE_BARYCENTRIC_LINEAR_CENTROID:
+ return nir_load_barycentric(b, nir_intrinsic_load_barycentric_centroid,
+ INTERP_MODE_NOPERSPECTIVE);
+
+ case SYSTEM_VALUE_BARYCENTRIC_LINEAR_SAMPLE:
+ return nir_load_barycentric(b, nir_intrinsic_load_barycentric_sample,
+ INTERP_MODE_NOPERSPECTIVE);
+
+ case SYSTEM_VALUE_BARYCENTRIC_PERSP_PIXEL:
+ return nir_load_barycentric(b, nir_intrinsic_load_barycentric_pixel,
+ INTERP_MODE_SMOOTH);
+
+ case SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTROID:
+ return nir_load_barycentric(b, nir_intrinsic_load_barycentric_centroid,
+ INTERP_MODE_SMOOTH);
+
+ case SYSTEM_VALUE_BARYCENTRIC_PERSP_SAMPLE:
+ return nir_load_barycentric(b, nir_intrinsic_load_barycentric_sample,
+ INTERP_MODE_SMOOTH);
+
+ case SYSTEM_VALUE_BARYCENTRIC_PULL_MODEL:
+ return nir_load_barycentric(b, nir_intrinsic_load_barycentric_model,
+ INTERP_MODE_NONE);
+
+ default:
+ break;
+ }
+
+ nir_intrinsic_op sysval_op =
+ nir_intrinsic_from_system_value(var->data.location);
+ return nir_load_system_value(b, sysval_op, 0,
+ intrin->dest.ssa.num_components,
+ intrin->dest.ssa.bit_size);
+ }
+
+ default:
+ return NULL;
+ }
+}
+
+bool
+nir_lower_system_values(nir_shader *shader)
+{
+ bool progress = nir_shader_lower_instructions(shader,
+ lower_system_value_filter,
+ lower_system_value_instr,
+ NULL);
+
+ /* We're going to delete the variables so we need to clean up all those
+ * derefs we left lying around.
+ */
+ if (progress)
+ nir_remove_dead_derefs(shader);
+
+ nir_foreach_variable_with_modes_safe(var, shader, nir_var_system_value)
+ exec_node_remove(&var->node);
+
+ return progress;
+}
+
+static bool
+lower_compute_system_value_filter(const nir_instr *instr, const void *_options)
+{
+ return instr->type == nir_instr_type_intrinsic;
+}
+
+static nir_ssa_def *
+lower_compute_system_value_instr(nir_builder *b,
+ nir_instr *instr, void *_options)
+{
+ nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
+
+ /* All the intrinsics we care about are loads */
+ if (!nir_intrinsic_infos[intrin->intrinsic].has_dest)
+ return NULL;
+
+ assert(intrin->dest.is_ssa);
+ const unsigned bit_size = intrin->dest.ssa.bit_size;
+
+ switch (intrin->intrinsic) {
case nir_intrinsic_load_local_invocation_id:
/* If lower_cs_local_id_from_index is true, then we derive the local
* index from the local id.
return index;
}
- case nir_intrinsic_load_helper_invocation:
- if (b->shader->options->lower_helper_invocation) {
- nir_ssa_def *tmp;
- tmp = nir_ishl(b, nir_imm_int(b, 1),
- nir_load_sample_id_no_per_sample(b));
- tmp = nir_iand(b, nir_load_sample_mask_in(b), tmp);
- return nir_inot(b, nir_i2b(b, tmp));
- } else {
- return NULL;
- }
-
- case nir_intrinsic_load_deref: {
- nir_deref_instr *deref = nir_src_as_deref(intrin->src[0]);
- if (deref->mode != nir_var_system_value)
- return NULL;
-
- if (deref->deref_type != nir_deref_type_var) {
- /* The only one system value that is an array and that is
- * gl_SampleMask which is always an array of one element.
- */
- assert(deref->deref_type == nir_deref_type_array);
- deref = nir_deref_instr_parent(deref);
- assert(deref->deref_type == nir_deref_type_var);
- assert(deref->var->data.location == SYSTEM_VALUE_SAMPLE_MASK_IN);
- }
- nir_variable *var = deref->var;
-
- switch (var->data.location) {
- case SYSTEM_VALUE_INSTANCE_INDEX:
- return nir_iadd(b, nir_load_instance_id(b),
- nir_load_base_instance(b));
-
- case SYSTEM_VALUE_SUBGROUP_EQ_MASK:
- case SYSTEM_VALUE_SUBGROUP_GE_MASK:
- case SYSTEM_VALUE_SUBGROUP_GT_MASK:
- case SYSTEM_VALUE_SUBGROUP_LE_MASK:
- case SYSTEM_VALUE_SUBGROUP_LT_MASK: {
- nir_intrinsic_op op =
- nir_intrinsic_from_system_value(var->data.location);
- nir_intrinsic_instr *load = nir_intrinsic_instr_create(b->shader, op);
- nir_ssa_dest_init_for_type(&load->instr, &load->dest,
- var->type, NULL);
- load->num_components = load->dest.ssa.num_components;
- nir_builder_instr_insert(b, &load->instr);
- return &load->dest.ssa;
- }
-
- case SYSTEM_VALUE_DEVICE_INDEX:
- if (b->shader->options->lower_device_index_to_zero)
- return nir_imm_int(b, 0);
- break;
-
- case SYSTEM_VALUE_GLOBAL_GROUP_SIZE:
- return build_global_group_size(b, bit_size);
-
- case SYSTEM_VALUE_BARYCENTRIC_LINEAR_PIXEL:
- return nir_load_barycentric(b, nir_intrinsic_load_barycentric_pixel,
- INTERP_MODE_NOPERSPECTIVE);
-
- case SYSTEM_VALUE_BARYCENTRIC_LINEAR_CENTROID:
- return nir_load_barycentric(b, nir_intrinsic_load_barycentric_centroid,
- INTERP_MODE_NOPERSPECTIVE);
-
- case SYSTEM_VALUE_BARYCENTRIC_LINEAR_SAMPLE:
- return nir_load_barycentric(b, nir_intrinsic_load_barycentric_sample,
- INTERP_MODE_NOPERSPECTIVE);
-
- case SYSTEM_VALUE_BARYCENTRIC_PERSP_PIXEL:
- return nir_load_barycentric(b, nir_intrinsic_load_barycentric_pixel,
- INTERP_MODE_SMOOTH);
-
- case SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTROID:
- return nir_load_barycentric(b, nir_intrinsic_load_barycentric_centroid,
- INTERP_MODE_SMOOTH);
-
- case SYSTEM_VALUE_BARYCENTRIC_PERSP_SAMPLE:
- return nir_load_barycentric(b, nir_intrinsic_load_barycentric_sample,
- INTERP_MODE_SMOOTH);
-
- case SYSTEM_VALUE_BARYCENTRIC_PULL_MODEL:
- return nir_load_barycentric(b, nir_intrinsic_load_barycentric_model,
- INTERP_MODE_NONE);
-
- default:
- break;
- }
-
- nir_intrinsic_op sysval_op =
- nir_intrinsic_from_system_value(var->data.location);
- return nir_load_system_value(b, sysval_op, 0,
- intrin->dest.ssa.num_components,
- intrin->dest.ssa.bit_size);
- }
-
default:
return NULL;
}
}
bool
-nir_lower_system_values(nir_shader *shader)
+nir_lower_compute_system_values(nir_shader *shader)
{
- bool progress = nir_shader_lower_instructions(shader,
- lower_system_value_filter,
- lower_system_value_instr,
- NULL);
-
- /* We're going to delete the variables so we need to clean up all those
- * derefs we left lying around.
- */
- if (progress)
- nir_remove_dead_derefs(shader);
-
- nir_foreach_variable_with_modes_safe(var, shader, nir_var_system_value)
- exec_node_remove(&var->node);
-
- return progress;
+ if (shader->info.stage != MESA_SHADER_COMPUTE &&
+ shader->info.stage != MESA_SHADER_KERNEL)
+ return false;
+
+ return nir_shader_lower_instructions(shader,
+ lower_compute_system_value_filter,
+ lower_compute_system_value_instr,
+ NULL);
}
projects / mesa.git / commitdiff