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639cc4d937
Triangle compression will be performed in two extra passes. Reviewed-by: Natalie Vock <natalie.vock@gmx.de> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36965>
217 lines
8.6 KiB
C
217 lines
8.6 KiB
C
/*
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* Copyright © 2021 Bas Nieuwenhuizen
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* Copyright © 2023 Valve Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef VK_ACCELERATION_STRUCTURE_H
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#define VK_ACCELERATION_STRUCTURE_H
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#include "vk_buffer.h"
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#include "vk_meta.h"
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#include "vk_object.h"
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#include "radix_sort/radix_sort_vk.h"
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#include "bvh/vk_bvh.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum vk_acceleration_structure_build_step {
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VK_ACCELERATION_STRUCTURE_BUILD_STEP_TOP,
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VK_ACCELERATION_STRUCTURE_BUILD_STEP_BUILD_LEAVES,
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VK_ACCELERATION_STRUCTURE_BUILD_STEP_MORTON_GENERATE,
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VK_ACCELERATION_STRUCTURE_BUILD_STEP_MORTON_SORT,
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VK_ACCELERATION_STRUCTURE_BUILD_STEP_LBVH_BUILD_INTERNAL,
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VK_ACCELERATION_STRUCTURE_BUILD_STEP_PLOC_BUILD_INTERNAL,
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VK_ACCELERATION_STRUCTURE_BUILD_STEP_ENCODE,
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VK_ACCELERATION_STRUCTURE_BUILD_STEP_UPDATE,
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};
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struct vk_acceleration_structure_build_marker {
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enum vk_acceleration_structure_build_step step;
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union {
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struct {
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uint32_t blas_count;
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uint32_t tlas_count;
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} top; /* Used for VK_ACCELERATION_STRUCTURE_BUILD_STEP_TOP */
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struct {
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uint32_t pass;
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uint32_t key;
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uint32_t leaf_node_count;
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uint32_t internal_node_count;
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} encode; /* Used for VK_ACCELERATION_STRUCTURE_BUILD_STEP_ENCODE, VK_ACCELERATION_STRUCTURE_BUILD_STEP_UPDATE */
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};
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};
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struct vk_acceleration_structure {
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struct vk_object_base base;
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struct vk_buffer *buffer;
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uint64_t offset;
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uint64_t size;
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};
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static inline VkDeviceAddress
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vk_acceleration_structure_get_va(const struct vk_acceleration_structure *accel_struct)
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{
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assert(accel_struct->buffer != NULL);
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return vk_buffer_address(accel_struct->buffer, accel_struct->offset);
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}
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VK_DEFINE_NONDISP_HANDLE_CASTS(vk_acceleration_structure, base, VkAccelerationStructureKHR,
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VK_OBJECT_TYPE_ACCELERATION_STRUCTURE_KHR)
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#define MAX_ENCODE_PASSES 4
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#define MAX_UPDATE_PASSES 2
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enum vk_internal_build_type {
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VK_INTERNAL_BUILD_TYPE_LBVH,
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VK_INTERNAL_BUILD_TYPE_PLOC,
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VK_INTERNAL_BUILD_TYPE_UPDATE,
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};
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struct vk_build_config {
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enum vk_internal_build_type internal_type;
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bool updateable;
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uint32_t encode_key[MAX_ENCODE_PASSES];
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uint32_t update_key[MAX_ENCODE_PASSES];
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};
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struct vk_scratch_layout {
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uint32_t size;
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uint32_t update_size;
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uint32_t header_offset;
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/* Used for BUILD only. */
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uint32_t sort_buffer_offset[2];
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uint32_t sort_internal_offset;
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uint32_t ploc_prefix_sum_partition_offset;
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uint32_t lbvh_node_offset;
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uint32_t ir_offset;
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uint32_t internal_node_offset;
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};
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struct vk_acceleration_structure_build_state {
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const VkAccelerationStructureBuildGeometryInfoKHR *build_info;
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const VkAccelerationStructureBuildRangeInfoKHR *build_range_infos;
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uint32_t leaf_node_count;
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struct vk_scratch_layout scratch;
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struct vk_build_config config;
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};
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struct vk_acceleration_structure_build_ops {
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void (*begin_debug_marker)(VkCommandBuffer commandBuffer,
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struct vk_acceleration_structure_build_marker *marker);
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void (*end_debug_marker)(VkCommandBuffer commandBuffer,
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struct vk_acceleration_structure_build_marker *marker);
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void (*get_build_config)(VkDevice device, struct vk_acceleration_structure_build_state *state);
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VkDeviceSize (*get_as_size)(VkDevice device, const struct vk_acceleration_structure_build_state *state);
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VkDeviceSize (*get_encode_scratch_size)(VkDevice device, const struct vk_acceleration_structure_build_state *state);
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VkDeviceSize (*get_update_scratch_size)(VkDevice device, const struct vk_acceleration_structure_build_state *state);
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VkResult (*encode_bind_pipeline[MAX_ENCODE_PASSES])(VkCommandBuffer cmd_buffer, const struct vk_acceleration_structure_build_state *state);
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void (*encode_as[MAX_ENCODE_PASSES])(VkCommandBuffer cmd_buffer, const struct vk_acceleration_structure_build_state *state);
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void (*init_update_scratch)(VkCommandBuffer cmd_buffer, const struct vk_acceleration_structure_build_state *state);
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void (*update_bind_pipeline[MAX_ENCODE_PASSES])(VkCommandBuffer cmd_buffer, const struct vk_acceleration_structure_build_state *state,
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bool flushed_cp_after_init_update_scratch, bool flushed_compute_after_init_update_scratch);
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void (*update_as[MAX_ENCODE_PASSES])(VkCommandBuffer cmd_buffer, const struct vk_acceleration_structure_build_state *state);
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const uint32_t *leaf_spirv_override;
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size_t leaf_spirv_override_size;
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};
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struct vk_acceleration_structure_build_args {
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uint32_t subgroup_size;
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uint32_t bvh_bounds_offset;
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uint32_t root_flags_offset;
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bool propagate_cull_flags;
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bool emit_markers;
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const radix_sort_vk_t *radix_sort;
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};
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VkResult vk_get_bvh_build_pipeline_layout(struct vk_device *device, struct vk_meta_device *meta,
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unsigned push_constant_size, VkPipelineLayout *layout);
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VkResult vk_get_bvh_build_pipeline_spv(struct vk_device *device, struct vk_meta_device *meta,
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enum vk_meta_object_key_type type, const uint32_t *spv,
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uint32_t spv_size, unsigned push_constant_size,
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const struct vk_acceleration_structure_build_args *args,
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uint32_t flags, VkPipeline *pipeline,
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bool unaligned_dispatch);
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void vk_cmd_build_acceleration_structures(VkCommandBuffer cmdbuf,
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struct vk_device *device,
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struct vk_meta_device *meta,
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uint32_t info_count,
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const VkAccelerationStructureBuildGeometryInfoKHR *pInfos,
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const VkAccelerationStructureBuildRangeInfoKHR *const *ppBuildRangeInfos,
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const struct vk_acceleration_structure_build_args *args);
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void vk_get_as_build_sizes(VkDevice _device, VkAccelerationStructureBuildTypeKHR buildType,
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const VkAccelerationStructureBuildGeometryInfoKHR *pBuildInfo,
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const uint32_t *pMaxPrimitiveCounts,
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VkAccelerationStructureBuildSizesInfoKHR *pSizeInfo,
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const struct vk_acceleration_structure_build_args *args);
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bool vk_acceleration_struct_vtx_format_supported(VkFormat format);
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static inline VkGeometryTypeKHR
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vk_get_as_geometry_type(const VkAccelerationStructureBuildGeometryInfoKHR *build_info)
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{
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if (build_info->geometryCount) {
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if (build_info->pGeometries)
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return build_info->pGeometries[0].geometryType;
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else
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return build_info->ppGeometries[0]->geometryType;
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}
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/* If there are no geometries, the geometry type shouldn't matter, but
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* return something.
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*/
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return VK_GEOMETRY_TYPE_TRIANGLES_KHR;
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}
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struct vk_bvh_geometry_data
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vk_fill_geometry_data(VkAccelerationStructureTypeKHR type, uint32_t first_id, uint32_t geom_index,
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const VkAccelerationStructureGeometryKHR *geometry,
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const VkAccelerationStructureBuildRangeInfoKHR *build_range_info);
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void vk_accel_struct_cmd_begin_debug_marker(VkCommandBuffer commandBuffer,
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struct vk_acceleration_structure_build_marker *marker);
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void vk_accel_struct_cmd_end_debug_marker(VkCommandBuffer commandBuffer,
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struct vk_acceleration_structure_build_marker *marker);
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#ifdef __cplusplus
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}
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#endif
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#endif
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