-static struct vtn_type *
-vtn_type_layout_std430(struct vtn_builder *b, struct vtn_type *type,
- uint32_t *size_out, uint32_t *align_out)
-{
- switch (type->base_type) {
- case vtn_base_type_scalar: {
- uint32_t comp_size = glsl_type_is_boolean(type->type)
- ? 4 : glsl_get_bit_size(type->type) / 8;
- *size_out = comp_size;
- *align_out = comp_size;
- return type;
- }
-
- case vtn_base_type_vector: {
- uint32_t comp_size = glsl_type_is_boolean(type->type)
- ? 4 : glsl_get_bit_size(type->type) / 8;
- unsigned align_comps = type->length == 3 ? 4 : type->length;
- *size_out = comp_size * type->length,
- *align_out = comp_size * align_comps;
- return type;
- }
-
- case vtn_base_type_matrix:
- case vtn_base_type_array: {
- /* We're going to add an array stride */
- type = vtn_type_copy(b, type);
- uint32_t elem_size, elem_align;
- type->array_element = vtn_type_layout_std430(b, type->array_element,
- &elem_size, &elem_align);
- type->stride = vtn_align_u32(elem_size, elem_align);
- *size_out = type->stride * type->length;
- *align_out = elem_align;
- return type;
- }
-
- case vtn_base_type_struct: {
- /* We're going to add member offsets */
- type = vtn_type_copy(b, type);
- uint32_t offset = 0;
- uint32_t align = 0;
- for (unsigned i = 0; i < type->length; i++) {
- uint32_t mem_size, mem_align;
- type->members[i] = vtn_type_layout_std430(b, type->members[i],
- &mem_size, &mem_align);
- offset = vtn_align_u32(offset, mem_align);
- type->offsets[i] = offset;
- offset += mem_size;
- align = MAX2(align, mem_align);
- }
- *size_out = offset;
- *align_out = align;
- return type;
- }
-
- default:
- unreachable("Invalid SPIR-V type for std430");
- }
-}
-