1/* 2 * Copyright © 2023 Valve Corporation 3 * 4 * SPDX-License-Identifier: MIT 5 */ 6 7#version 460 8 9#extension GL_GOOGLE_include_directive : require 10 11#extension GL_EXT_shader_explicit_arithmetic_types_int8 : require 12#extension GL_EXT_shader_explicit_arithmetic_types_int16 : require 13#extension GL_EXT_shader_explicit_arithmetic_types_int32 : require 14#extension GL_EXT_shader_explicit_arithmetic_types_int64 : require 15#extension GL_EXT_shader_explicit_arithmetic_types_float16 : require 16#extension GL_EXT_scalar_block_layout : require 17#extension GL_EXT_buffer_reference : require 18#extension GL_EXT_buffer_reference2 : require 19 20layout(local_size_x = 64, local_size_y = 1, local_size_z = 1) in; 21 22#include "build_interface.h" 23 24layout(push_constant) uniform CONSTS 25{ 26 header_args args; 27}; 28 29void 30main(void) 31{ 32 uint32_t compacted_size = args.bvh_offset + DEREF(args.src).dst_node_offset; 33 34 uint32_t serialization_size = 35 compacted_size + 36 align(SIZEOF(radv_accel_struct_serialization_header) + SIZEOF(uint64_t) * args.instance_count, 37 128); 38 39 uint32_t size = serialization_size - SIZEOF(radv_accel_struct_serialization_header) - 40 SIZEOF(uint64_t) * args.instance_count; 41 42 DEREF(args.dst).compacted_size = compacted_size; 43 44 DEREF(args.dst).copy_dispatch_size[0] = DIV_ROUND_UP(compacted_size, 16 * 64); 45 DEREF(args.dst).copy_dispatch_size[1] = 1; 46 DEREF(args.dst).copy_dispatch_size[2] = 1; 47 48 DEREF(args.dst).serialization_size = serialization_size; 49 50 DEREF(args.dst).size = size; 51} 52