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077292f65b
Using box16 nodes trades bvh quality for memory bandwidth which seems to be roughly equal in performance. Stats assuming box16 nodes are as expensive as box32 nodes: Totals from 7668 (79.68% of 9624) affected BVHs: compacted_size: 951666944 -> 742347648 (-22.00%) max_depth: 57606 -> 57615 (+0.02%) sah: 129114796242 -> 129998517775 (+0.68%); split: -0.00%, +0.68% scene_sah: 188564162 -> 192063633 (+1.86%); split: -0.02%, +1.88% box16_node_count: 0 -> 3270600 (+inf%) box32_node_count: 3365707 -> 95100 (-97.17%) Reviewed-by: Natalie Vock <natalie.vock@gmx.de> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37883>
104 lines
3 KiB
C
104 lines
3 KiB
C
/*
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* Copyright © 2022 Konstantin Seurer
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*
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* SPDX-License-Identifier: MIT
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*/
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#ifndef BVH_BUILD_INTERFACE_H
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#define BVH_BUILD_INTERFACE_H
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#include "vk_build_interface.h"
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#ifdef VULKAN
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#include "build_helpers.h"
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#else
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#include <stdint.h>
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#include "bvh.h"
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#define REF(type) uint64_t
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#define VOID_REF uint64_t
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#endif
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#define RADV_BUILD_FLAG_BVH8 (1u << (VK_BUILD_FLAG_COUNT + 0))
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#define RADV_BUILD_FLAG_UPDATE_IN_PLACE (1u << (VK_BUILD_FLAG_COUNT + 1))
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#define RADV_BUILD_FLAG_NO_INFS (1u << (VK_BUILD_FLAG_COUNT + 2))
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#define RADV_BUILD_FLAG_WRITE_LEAF_NODE_OFFSETS (1u << (VK_BUILD_FLAG_COUNT + 3))
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#define RADV_BUILD_FLAG_UPDATE_SINGLE_GEOMETRY (1u << (VK_BUILD_FLAG_COUNT + 4))
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#define RADV_BUILD_FLAG_PAIR_COMPRESS_TRIANGLES (1u << (VK_BUILD_FLAG_COUNT + 5))
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#define RADV_BUILD_FLAG_BATCH_COMPRESS_TRIANGLES (1u << (VK_BUILD_FLAG_COUNT + 6))
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#define RADV_BUILD_FLAG_BATCH_COMPRESS_TRIANGLES_RETRY (1u << (VK_BUILD_FLAG_COUNT + 7))
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#define RADV_BUILD_FLAG_USE_BOX16 (1u << (VK_BUILD_FLAG_COUNT + 8))
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#define RADV_COPY_MODE_COPY 0
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#define RADV_COPY_MODE_SERIALIZE 1
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#define RADV_COPY_MODE_DESERIALIZE 2
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struct copy_args {
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VOID_REF src_addr;
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VOID_REF dst_addr;
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uint32_t mode;
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};
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struct encode_args {
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VOID_REF intermediate_bvh;
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VOID_REF output_bvh;
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REF(vk_ir_header) header;
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uint32_t output_bvh_offset;
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uint32_t leaf_node_count;
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uint32_t geometry_type;
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};
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struct encode_gfx12_args {
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VOID_REF intermediate_bvh;
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VOID_REF output_base;
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REF(vk_ir_header) header;
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uint32_t output_bvh_offset;
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uint32_t leaf_node_offsets_offset;
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uint32_t leaf_node_count;
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uint32_t geometry_type;
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};
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struct encode_triangles_gfx12_args {
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VOID_REF intermediate_bvh;
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VOID_REF output_base;
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REF(vk_ir_header) header;
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uint32_t output_bvh_offset;
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uint32_t leaf_node_offsets_offset;
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uint32_t batches_size;
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};
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struct header_args {
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REF(vk_ir_header) src;
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REF(radv_accel_struct_header) dst;
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uint32_t bvh_offset;
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uint32_t internal_nodes_offset;
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uint32_t instance_count;
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};
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struct update_args {
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REF(radv_accel_struct_header) src;
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REF(radv_accel_struct_header) dst;
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REF(uint32_t) internal_ready_count;
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uint32_t leaf_node_count;
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vk_bvh_geometry_data geom_data;
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};
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struct update_gfx12_args {
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REF(radv_accel_struct_header) src;
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REF(radv_accel_struct_header) dst;
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REF(vk_bvh_geometry_data) geom_data;
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REF(vk_aabb) bounds;
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REF(uint32_t) internal_ready_count;
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uint32_t leaf_node_count;
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vk_bvh_geometry_data geom_data0;
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};
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#define RADV_IR_HEADER_ENCODE_TRIANGLES_INVOCATIONS_X 0
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#define RADV_IR_HEADER_ENCODE_TRIANGLES_INVOCATIONS_Y 1
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#define RADV_IR_HEADER_ENCODE_TRIANGLES_INVOCATIONS_Z 2
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#define RADV_IR_HEADER_ENCODE_TRIANGLES_RETRY_INVOCATIONS_X 3
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#define RADV_IR_HEADER_ENCODE_TRIANGLES_RETRY_INVOCATIONS_Y 4
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#define RADV_IR_HEADER_ENCODE_TRIANGLES_RETRY_INVOCATIONS_Z 5
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#endif /* BUILD_INTERFACE_H */
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