1 /* 2 * Copyright © 2022 Konstantin Seurer 3 * Copyright © 2024 Valve Corporation 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 22 * IN THE SOFTWARE. 23 */ 24 25 #ifndef TU_BVH_BUILD_INTERFACE_H 26 #define TU_BVH_BUILD_INTERFACE_H 27 28 #ifdef VULKAN 29 #include "tu_build_helpers.h" 30 #else 31 #include <stdint.h> 32 #include "tu_bvh.h" 33 #define REF(type) uint64_t 34 #define VOID_REF uint64_t 35 #endif 36 37 struct encode_args { 38 VOID_REF intermediate_bvh; 39 VOID_REF output_bvh; 40 REF(vk_ir_header) header; 41 uint32_t output_bvh_offset; 42 uint32_t leaf_node_count; 43 uint32_t geometry_type; 44 }; 45 46 struct header_args { 47 REF(vk_ir_header) src; 48 REF(tu_accel_struct_header) dst; 49 uint32_t bvh_offset; 50 uint32_t instance_count; 51 }; 52 53 #define TU_COPY_MODE_COPY 0 54 #define TU_COPY_MODE_SERIALIZE 1 55 #define TU_COPY_MODE_DESERIALIZE 2 56 57 struct copy_args { 58 VOID_REF src_addr; 59 VOID_REF dst_addr; 60 uint32_t mode; 61 }; 62 63 #endif 64 65