summaryrefslogtreecommitdiffstats
path: root/src/glsl/nir/nir_lower_io.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/glsl/nir/nir_lower_io.c')
-rw-r--r--src/glsl/nir/nir_lower_io.c118
1 files changed, 16 insertions, 102 deletions
diff --git a/src/glsl/nir/nir_lower_io.c b/src/glsl/nir/nir_lower_io.c
index d33aefec6e5..15a4edc90a9 100644
--- a/src/glsl/nir/nir_lower_io.c
+++ b/src/glsl/nir/nir_lower_io.c
@@ -37,99 +37,12 @@
struct lower_io_state {
nir_builder builder;
void *mem_ctx;
- bool is_scalar;
+ int (*type_size)(const struct glsl_type *type);
};
-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_SUBROUTINE:
- return 1;
- 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_scalar(const struct glsl_type *type)
-{
- unsigned int size, i;
-
- switch (glsl_get_base_type(type)) {
- case GLSL_TYPE_UINT:
- case GLSL_TYPE_INT:
- case GLSL_TYPE_FLOAT:
- case GLSL_TYPE_BOOL:
- return glsl_get_components(type);
- case GLSL_TYPE_ARRAY:
- 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_scalar(glsl_get_struct_field(type, i));
- }
- return size;
- case GLSL_TYPE_SUBROUTINE:
- return 1;
- case GLSL_TYPE_SAMPLER:
- return 0;
- case GLSL_TYPE_ATOMIC_UINT:
- return 0;
- case GLSL_TYPE_INTERFACE:
- return 0;
- case GLSL_TYPE_IMAGE:
- return 0;
- case GLSL_TYPE_VOID:
- case GLSL_TYPE_ERROR:
- case GLSL_TYPE_DOUBLE:
- unreachable("not reached");
- }
-
- 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(struct exec_list *var_list, unsigned *size, bool is_scalar)
+nir_assign_var_locations(struct exec_list *var_list, unsigned *size,
+ int (*type_size)(const struct glsl_type *))
{
unsigned location = 0;
@@ -143,7 +56,7 @@ nir_assign_var_locations(struct exec_list *var_list, unsigned *size, bool is_sca
continue;
var->data.driver_location = location;
- location += type_size(var->type, is_scalar);
+ location += type_size(var->type);
}
*size = location;
@@ -193,7 +106,7 @@ nir_assign_var_locations_direct_first(nir_shader *shader,
struct exec_list *var_list,
unsigned *direct_size,
unsigned *size,
- bool is_scalar)
+ int (*type_size)(const struct glsl_type *))
{
struct set *indirect_set = _mesa_set_create(NULL, _mesa_hash_pointer,
_mesa_key_pointer_equal);
@@ -215,7 +128,7 @@ nir_assign_var_locations_direct_first(nir_shader *shader,
continue;
var->data.driver_location = location;
- location += type_size(var->type, is_scalar);
+ location += type_size(var->type);
}
*direct_size = location;
@@ -229,7 +142,7 @@ nir_assign_var_locations_direct_first(nir_shader *shader,
continue;
var->data.driver_location = location;
- location += type_size(var->type, is_scalar);
+ location += type_size(var->type);
}
*size = location;
@@ -254,7 +167,7 @@ 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, state->is_scalar);
+ unsigned size = state->type_size(tail->type);
base_offset += size * deref_array->base_offset;
@@ -275,9 +188,10 @@ get_io_offset(nir_deref_var *deref, nir_instr *instr, nir_src *indirect,
} else if (tail->deref_type == nir_deref_type_struct) {
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),
- state->is_scalar);
+ for (unsigned i = 0; i < deref_struct->index; i++) {
+ base_offset +=
+ state->type_size(glsl_get_struct_field(parent_type, i));
+ }
}
}
@@ -395,13 +309,13 @@ nir_lower_io_block(nir_block *block, void *void_state)
}
static void
-nir_lower_io_impl(nir_function_impl *impl, bool is_scalar)
+nir_lower_io_impl(nir_function_impl *impl, int(*type_size)(const struct glsl_type *))
{
struct lower_io_state state;
nir_builder_init(&state.builder, impl);
state.mem_ctx = ralloc_parent(impl);
- state.is_scalar = is_scalar;
+ state.type_size = type_size;
nir_foreach_block(impl, nir_lower_io_block, &state);
@@ -410,10 +324,10 @@ nir_lower_io_impl(nir_function_impl *impl, bool is_scalar)
}
void
-nir_lower_io(nir_shader *shader, bool is_scalar)
+nir_lower_io(nir_shader *shader, int(*type_size)(const struct glsl_type *))
{
nir_foreach_overload(shader, overload) {
if (overload->impl)
- nir_lower_io_impl(overload->impl, is_scalar);
+ nir_lower_io_impl(overload->impl, type_size);
}
}