diff options
| -rw-r--r-- | src/glsl/nir/nir.h | 18 | ||||
| -rw-r--r-- | src/glsl/nir/nir_lower_io.c | 87 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_nir.c | 14 |
3 files changed, 86 insertions, 33 deletions
diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h index 6c954c0ef7c..d9daaa2e7e2 100644 --- a/src/glsl/nir/nir.h +++ b/src/glsl/nir/nir.h @@ -1641,14 +1641,16 @@ void nir_lower_global_vars_to_local(nir_shader *shader); void nir_lower_locals_to_regs(nir_shader *shader); -void nir_assign_var_locations_scalar(struct exec_list *var_list, - unsigned *size); -void nir_assign_var_locations_scalar_direct_first(nir_shader *shader, - struct exec_list *var_list, - unsigned *direct_size, - unsigned *size); - -void nir_lower_io(nir_shader *shader); +void nir_assign_var_locations(struct exec_list *var_list, + unsigned *size, + bool is_scalar); +void nir_assign_var_locations_direct_first(nir_shader *shader, + struct exec_list *var_list, + unsigned *direct_size, + unsigned *size, + bool is_scalar); + +void nir_lower_io(nir_shader *shader, bool is_scalar); void nir_lower_vars_to_ssa(nir_shader *shader); diff --git a/src/glsl/nir/nir_lower_io.c b/src/glsl/nir/nir_lower_io.c index f6e5e2beda4..3c179299bd9 100644 --- a/src/glsl/nir/nir_lower_io.c +++ b/src/glsl/nir/nir_lower_io.c @@ -29,19 +29,56 @@ /* * This lowering pass converts references to input/output variables with * loads/stores to actual input/output intrinsics. - * - * NOTE: This pass really only works for scalar backends at the moment due - * to the way it packes the input/output data. */ #include "nir.h" struct lower_io_state { void *mem_ctx; + bool is_scalar; }; +static int +type_size_vec4(const struct glsl_type *type) +{ + unsigned int i; + int size; + + switch (glsl_get_base_type(type)) { + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + case GLSL_TYPE_FLOAT: + case GLSL_TYPE_BOOL: + if (glsl_type_is_matrix(type)) { + return glsl_get_matrix_columns(type); + } else { + return 1; + } + case GLSL_TYPE_ARRAY: + return type_size_vec4(glsl_get_array_element(type)) * glsl_get_length(type); + case GLSL_TYPE_STRUCT: + size = 0; + for (i = 0; i < glsl_get_length(type); i++) { + size += type_size_vec4(glsl_get_struct_field(type, i)); + } + return size; + case GLSL_TYPE_SAMPLER: + return 0; + case GLSL_TYPE_ATOMIC_UINT: + return 0; + case GLSL_TYPE_IMAGE: + case GLSL_TYPE_VOID: + case GLSL_TYPE_DOUBLE: + case GLSL_TYPE_ERROR: + case GLSL_TYPE_INTERFACE: + unreachable("not reached"); + } + + return 0; +} + static unsigned -type_size(const struct glsl_type *type) +type_size_scalar(const struct glsl_type *type) { unsigned int size, i; @@ -52,11 +89,11 @@ type_size(const struct glsl_type *type) case GLSL_TYPE_BOOL: return glsl_get_components(type); case GLSL_TYPE_ARRAY: - return type_size(glsl_get_array_element(type)) * glsl_get_length(type); + return type_size_scalar(glsl_get_array_element(type)) * glsl_get_length(type); case GLSL_TYPE_STRUCT: size = 0; for (i = 0; i < glsl_get_length(type); i++) { - size += type_size(glsl_get_struct_field(type, i)); + size += type_size_scalar(glsl_get_struct_field(type, i)); } return size; case GLSL_TYPE_SUBROUTINE: @@ -78,8 +115,17 @@ type_size(const struct glsl_type *type) return 0; } +static unsigned +type_size(const struct glsl_type *type, bool is_scalar) +{ + if (is_scalar) + return type_size_scalar(type); + else + return type_size_vec4(type); +} + void -nir_assign_var_locations_scalar(struct exec_list *var_list, unsigned *size) +nir_assign_var_locations(struct exec_list *var_list, unsigned *size, bool is_scalar) { unsigned location = 0; @@ -93,7 +139,7 @@ nir_assign_var_locations_scalar(struct exec_list *var_list, unsigned *size) continue; var->data.driver_location = location; - location += type_size(var->type); + location += type_size(var->type, is_scalar); } *size = location; @@ -139,10 +185,11 @@ mark_indirect_uses_block(nir_block *block, void *void_state) * assigns locations to variables that are used indirectly. */ void -nir_assign_var_locations_scalar_direct_first(nir_shader *shader, - struct exec_list *var_list, - unsigned *direct_size, - unsigned *size) +nir_assign_var_locations_direct_first(nir_shader *shader, + struct exec_list *var_list, + unsigned *direct_size, + unsigned *size, + bool is_scalar) { struct set *indirect_set = _mesa_set_create(NULL, _mesa_hash_pointer, _mesa_key_pointer_equal); @@ -164,7 +211,7 @@ nir_assign_var_locations_scalar_direct_first(nir_shader *shader, continue; var->data.driver_location = location; - location += type_size(var->type); + location += type_size(var->type, is_scalar); } *direct_size = location; @@ -178,7 +225,7 @@ nir_assign_var_locations_scalar_direct_first(nir_shader *shader, continue; var->data.driver_location = location; - location += type_size(var->type); + location += type_size(var->type, is_scalar); } *size = location; @@ -200,7 +247,7 @@ get_io_offset(nir_deref_var *deref, nir_instr *instr, nir_src *indirect, if (tail->deref_type == nir_deref_type_array) { nir_deref_array *deref_array = nir_deref_as_array(tail); - unsigned size = type_size(tail->type); + unsigned size = type_size(tail->type, state->is_scalar); base_offset += size * deref_array->base_offset; @@ -242,7 +289,8 @@ get_io_offset(nir_deref_var *deref, nir_instr *instr, nir_src *indirect, nir_deref_struct *deref_struct = nir_deref_as_struct(tail); for (unsigned i = 0; i < deref_struct->index; i++) - base_offset += type_size(glsl_get_struct_field(parent_type, i)); + base_offset += type_size(glsl_get_struct_field(parent_type, i), + state->is_scalar); } } @@ -355,11 +403,12 @@ nir_lower_io_block(nir_block *block, void *void_state) } static void -nir_lower_io_impl(nir_function_impl *impl) +nir_lower_io_impl(nir_function_impl *impl, bool is_scalar) { struct lower_io_state state; state.mem_ctx = ralloc_parent(impl); + state.is_scalar = is_scalar; nir_foreach_block(impl, nir_lower_io_block, &state); @@ -368,10 +417,10 @@ nir_lower_io_impl(nir_function_impl *impl) } void -nir_lower_io(nir_shader *shader) +nir_lower_io(nir_shader *shader, bool is_scalar) { nir_foreach_overload(shader, overload) { if (overload->impl) - nir_lower_io_impl(overload->impl); + nir_lower_io_impl(overload->impl, is_scalar); } } diff --git a/src/mesa/drivers/dri/i965/brw_nir.c b/src/mesa/drivers/dri/i965/brw_nir.c index 4aa893aff50..8700cb71ad4 100644 --- a/src/mesa/drivers/dri/i965/brw_nir.c +++ b/src/mesa/drivers/dri/i965/brw_nir.c @@ -101,13 +101,15 @@ brw_create_nir(struct brw_context *brw, /* Get rid of split copies */ nir_optimize(nir); - nir_assign_var_locations_scalar_direct_first(nir, &nir->uniforms, - &nir->num_direct_uniforms, - &nir->num_uniforms); - nir_assign_var_locations_scalar(&nir->inputs, &nir->num_inputs); - nir_assign_var_locations_scalar(&nir->outputs, &nir->num_outputs); + nir_assign_var_locations_direct_first(nir, &nir->uniforms, + &nir->num_direct_uniforms, + &nir->num_uniforms, + is_scalar); + nir_assign_var_locations(&nir->inputs, &nir->num_inputs, is_scalar); + nir_assign_var_locations(&nir->outputs, &nir->num_outputs, is_scalar); + + nir_lower_io(nir, is_scalar); - nir_lower_io(nir); nir_validate_shader(nir); nir_remove_dead_variables(nir); |