/* * Copyright © 2021 Bas Nieuwenhuizen * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #include "radv_private.h" #include "nir_builder.h" #include "radv_cs.h" #include "meta/radv_meta.h" #include "radix_sort/radv_radix_sort.h" #include "bvh/build_interface.h" #include "bvh/bvh.h" #include "vk_acceleration_structure.h" #include "vk_common_entrypoints.h" static const uint32_t leaf_spv[] = { #include "bvh/leaf.spv.h" }; static const uint32_t morton_spv[] = { #include "bvh/morton.spv.h" }; static const uint32_t lbvh_main_spv[] = { #include "bvh/lbvh_main.spv.h" }; static const uint32_t lbvh_generate_ir_spv[] = { #include "bvh/lbvh_generate_ir.spv.h" }; static const uint32_t ploc_spv[] = { #include "bvh/ploc_internal.spv.h" }; static const uint32_t ploc_extended_spv[] = { #include "bvh/ploc_internal_extended.spv.h" }; static const uint32_t copy_spv[] = { #include "bvh/copy.spv.h" }; static const uint32_t encode_spv[] = { #include "bvh/encode.spv.h" }; static const uint32_t encode_compact_spv[] = { #include "bvh/encode_compact.spv.h" }; static const uint32_t header_spv[] = { #include "bvh/header.spv.h" }; #define KEY_ID_PAIR_SIZE 8 enum internal_build_type { INTERNAL_BUILD_TYPE_LBVH, INTERNAL_BUILD_TYPE_PLOC, }; struct build_config { enum internal_build_type internal_type; bool extended_sah; bool compact; }; struct acceleration_structure_layout { uint32_t geometry_info_offset; uint32_t bvh_offset; uint32_t size; }; struct scratch_layout { uint32_t size; uint32_t header_offset; uint32_t sort_buffer_offset[2]; uint32_t sort_internal_offset; uint32_t ploc_prefix_sum_partition_offset; uint32_t lbvh_node_offset; uint32_t ir_offset; }; static struct build_config build_config(uint32_t leaf_count, const VkAccelerationStructureBuildGeometryInfoKHR *build_info) { struct build_config config = {0}; if (leaf_count <= 4) config.internal_type = INTERNAL_BUILD_TYPE_LBVH; else if (build_info->type == VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_KHR) config.internal_type = INTERNAL_BUILD_TYPE_LBVH; else if (!(build_info->flags & VK_BUILD_ACCELERATION_STRUCTURE_PREFER_FAST_BUILD_BIT_KHR) && !(build_info->flags & VK_BUILD_ACCELERATION_STRUCTURE_ALLOW_UPDATE_BIT_KHR)) config.internal_type = INTERNAL_BUILD_TYPE_PLOC; else config.internal_type = INTERNAL_BUILD_TYPE_LBVH; /* 4^(lds stack entry count) assuming we push 1 node on average. */ uint32_t lds_spill_threshold = 1 << (8 * 2); if (leaf_count < lds_spill_threshold) config.extended_sah = true; if (build_info->flags & VK_BUILD_ACCELERATION_STRUCTURE_ALLOW_COMPACTION_BIT_KHR) config.compact = true; return config; } static void get_build_layout(struct radv_device *device, uint32_t leaf_count, const VkAccelerationStructureBuildGeometryInfoKHR *build_info, struct acceleration_structure_layout *accel_struct, struct scratch_layout *scratch) { uint32_t internal_count = MAX2(leaf_count, 2) - 1; VkGeometryTypeKHR geometry_type = VK_GEOMETRY_TYPE_TRIANGLES_KHR; if (build_info->geometryCount) { if (build_info->pGeometries) geometry_type = build_info->pGeometries[0].geometryType; else geometry_type = build_info->ppGeometries[0]->geometryType; } uint32_t bvh_leaf_size; uint32_t ir_leaf_size; switch (geometry_type) { case VK_GEOMETRY_TYPE_TRIANGLES_KHR: ir_leaf_size = sizeof(struct radv_ir_triangle_node); bvh_leaf_size = sizeof(struct radv_bvh_triangle_node); break; case VK_GEOMETRY_TYPE_AABBS_KHR: ir_leaf_size = sizeof(struct radv_ir_aabb_node); bvh_leaf_size = sizeof(struct radv_bvh_aabb_node); break; case VK_GEOMETRY_TYPE_INSTANCES_KHR: ir_leaf_size = sizeof(struct radv_ir_instance_node); bvh_leaf_size = sizeof(struct radv_bvh_instance_node); break; default: unreachable("Unknown VkGeometryTypeKHR"); } if (accel_struct) { uint64_t bvh_size = bvh_leaf_size * leaf_count + sizeof(struct radv_bvh_box32_node) * internal_count; uint32_t offset = 0; offset += sizeof(struct radv_accel_struct_header); if (device->rra_trace.accel_structs) { accel_struct->geometry_info_offset = offset; offset += sizeof(struct radv_accel_struct_geometry_info) * build_info->geometryCount; } /* Parent links, which have to go directly before bvh_offset as we index them using negative * offsets from there. */ offset += bvh_size / 64 * 4; /* The BVH and hence bvh_offset needs 64 byte alignment for RT nodes. */ offset = ALIGN(offset, 64); accel_struct->bvh_offset = offset; offset += bvh_size; accel_struct->size = offset; } if (scratch) { radix_sort_vk_memory_requirements_t requirements = { 0, }; if (radv_device_init_accel_struct_build_state(device) == VK_SUCCESS) radix_sort_vk_get_memory_requirements(device->meta_state.accel_struct_build.radix_sort, leaf_count, &requirements); uint32_t offset = 0; uint32_t ploc_scratch_space = 0; uint32_t lbvh_node_space = 0; struct build_config config = build_config(leaf_count, build_info); if (config.internal_type == INTERNAL_BUILD_TYPE_PLOC) ploc_scratch_space = DIV_ROUND_UP(leaf_count, PLOC_WORKGROUP_SIZE) * sizeof(struct ploc_prefix_scan_partition); else lbvh_node_space = sizeof(struct lbvh_node_info) * internal_count; scratch->header_offset = offset; offset += sizeof(struct radv_ir_header); scratch->sort_buffer_offset[0] = offset; offset += requirements.keyvals_size; scratch->sort_buffer_offset[1] = offset; offset += requirements.keyvals_size; scratch->sort_internal_offset = offset; /* Internal sorting data is not needed when PLOC/LBVH are invoked, * save space by aliasing them */ scratch->ploc_prefix_sum_partition_offset = offset; scratch->lbvh_node_offset = offset; offset += MAX3(requirements.internal_size, ploc_scratch_space, lbvh_node_space); scratch->ir_offset = offset; offset += ir_leaf_size * leaf_count; offset += sizeof(struct radv_ir_box_node) * internal_count; scratch->size = offset; } } VKAPI_ATTR void VKAPI_CALL radv_GetAccelerationStructureBuildSizesKHR( VkDevice _device, VkAccelerationStructureBuildTypeKHR buildType, const VkAccelerationStructureBuildGeometryInfoKHR *pBuildInfo, const uint32_t *pMaxPrimitiveCounts, VkAccelerationStructureBuildSizesInfoKHR *pSizeInfo) { RADV_FROM_HANDLE(radv_device, device, _device); STATIC_ASSERT(sizeof(struct radv_bvh_triangle_node) == 64); STATIC_ASSERT(sizeof(struct radv_bvh_aabb_node) == 64); STATIC_ASSERT(sizeof(struct radv_bvh_instance_node) == 128); STATIC_ASSERT(sizeof(struct radv_bvh_box16_node) == 64); STATIC_ASSERT(sizeof(struct radv_bvh_box32_node) == 128); uint32_t leaf_count = 0; for (uint32_t i = 0; i < pBuildInfo->geometryCount; i++) leaf_count += pMaxPrimitiveCounts[i]; struct acceleration_structure_layout accel_struct; struct scratch_layout scratch; get_build_layout(device, leaf_count, pBuildInfo, &accel_struct, &scratch); pSizeInfo->accelerationStructureSize = accel_struct.size; pSizeInfo->updateScratchSize = scratch.size; pSizeInfo->buildScratchSize = scratch.size; } VKAPI_ATTR VkResult VKAPI_CALL radv_WriteAccelerationStructuresPropertiesKHR( VkDevice _device, uint32_t accelerationStructureCount, const VkAccelerationStructureKHR *pAccelerationStructures, VkQueryType queryType, size_t dataSize, void *pData, size_t stride) { unreachable("Unimplemented"); return VK_ERROR_FEATURE_NOT_PRESENT; } VKAPI_ATTR VkResult VKAPI_CALL radv_BuildAccelerationStructuresKHR( VkDevice _device, VkDeferredOperationKHR deferredOperation, uint32_t infoCount, const VkAccelerationStructureBuildGeometryInfoKHR *pInfos, const VkAccelerationStructureBuildRangeInfoKHR *const *ppBuildRangeInfos) { unreachable("Unimplemented"); return VK_ERROR_FEATURE_NOT_PRESENT; } VKAPI_ATTR VkResult VKAPI_CALL radv_CopyAccelerationStructureKHR(VkDevice _device, VkDeferredOperationKHR deferredOperation, const VkCopyAccelerationStructureInfoKHR *pInfo) { unreachable("Unimplemented"); return VK_ERROR_FEATURE_NOT_PRESENT; } void radv_device_finish_accel_struct_build_state(struct radv_device *device) { struct radv_meta_state *state = &device->meta_state; radv_DestroyPipeline(radv_device_to_handle(device), state->accel_struct_build.copy_pipeline, &state->alloc); radv_DestroyPipeline(radv_device_to_handle(device), state->accel_struct_build.ploc_pipeline, &state->alloc); radv_DestroyPipeline(radv_device_to_handle(device), state->accel_struct_build.ploc_extended_pipeline, &state->alloc); radv_DestroyPipeline(radv_device_to_handle(device), state->accel_struct_build.lbvh_generate_ir_pipeline, &state->alloc); radv_DestroyPipeline(radv_device_to_handle(device), state->accel_struct_build.lbvh_main_pipeline, &state->alloc); radv_DestroyPipeline(radv_device_to_handle(device), state->accel_struct_build.leaf_pipeline, &state->alloc); radv_DestroyPipeline(radv_device_to_handle(device), state->accel_struct_build.encode_pipeline, &state->alloc); radv_DestroyPipeline(radv_device_to_handle(device), state->accel_struct_build.encode_compact_pipeline, &state->alloc); radv_DestroyPipeline(radv_device_to_handle(device), state->accel_struct_build.header_pipeline, &state->alloc); radv_DestroyPipeline(radv_device_to_handle(device), state->accel_struct_build.morton_pipeline, &state->alloc); radv_DestroyPipelineLayout(radv_device_to_handle(device), state->accel_struct_build.copy_p_layout, &state->alloc); radv_DestroyPipelineLayout(radv_device_to_handle(device), state->accel_struct_build.ploc_p_layout, &state->alloc); radv_DestroyPipelineLayout(radv_device_to_handle(device), state->accel_struct_build.lbvh_generate_ir_p_layout, &state->alloc); radv_DestroyPipelineLayout(radv_device_to_handle(device), state->accel_struct_build.lbvh_main_p_layout, &state->alloc); radv_DestroyPipelineLayout(radv_device_to_handle(device), state->accel_struct_build.leaf_p_layout, &state->alloc); radv_DestroyPipelineLayout(radv_device_to_handle(device), state->accel_struct_build.encode_p_layout, &state->alloc); radv_DestroyPipelineLayout(radv_device_to_handle(device), state->accel_struct_build.header_p_layout, &state->alloc); radv_DestroyPipelineLayout(radv_device_to_handle(device), state->accel_struct_build.morton_p_layout, &state->alloc); if (state->accel_struct_build.radix_sort) radix_sort_vk_destroy(state->accel_struct_build.radix_sort, radv_device_to_handle(device), &state->alloc); radv_DestroyBuffer(radv_device_to_handle(device), state->accel_struct_build.null.buffer, &state->alloc); radv_FreeMemory(radv_device_to_handle(device), state->accel_struct_build.null.memory, &state->alloc); vk_common_DestroyAccelerationStructureKHR( radv_device_to_handle(device), state->accel_struct_build.null.accel_struct, &state->alloc); } static VkResult create_build_pipeline_spv(struct radv_device *device, const uint32_t *spv, uint32_t spv_size, unsigned push_constant_size, VkPipeline *pipeline, VkPipelineLayout *layout) { if (*pipeline) return VK_SUCCESS; const VkPipelineLayoutCreateInfo pl_create_info = { .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, .setLayoutCount = 0, .pushConstantRangeCount = 1, .pPushConstantRanges = &(VkPushConstantRange){VK_SHADER_STAGE_COMPUTE_BIT, 0, push_constant_size}, }; VkShaderModuleCreateInfo module_info = { .sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO, .pNext = NULL, .flags = 0, .codeSize = spv_size, .pCode = spv, }; VkShaderModule module; VkResult result = device->vk.dispatch_table.CreateShaderModule( radv_device_to_handle(device), &module_info, &device->meta_state.alloc, &module); if (result != VK_SUCCESS) return result; if (!*layout) { result = radv_CreatePipelineLayout(radv_device_to_handle(device), &pl_create_info, &device->meta_state.alloc, layout); if (result != VK_SUCCESS) goto cleanup; } VkPipelineShaderStageCreateInfo shader_stage = { .sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, .stage = VK_SHADER_STAGE_COMPUTE_BIT, .module = module, .pName = "main", .pSpecializationInfo = NULL, }; VkComputePipelineCreateInfo pipeline_info = { .sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO, .stage = shader_stage, .flags = 0, .layout = *layout, }; result = radv_compute_pipeline_create(radv_device_to_handle(device), device->meta_state.cache, &pipeline_info, &device->meta_state.alloc, pipeline); cleanup: device->vk.dispatch_table.DestroyShaderModule(radv_device_to_handle(device), module, &device->meta_state.alloc); return result; } static void radix_sort_fill_buffer(VkCommandBuffer commandBuffer, radix_sort_vk_buffer_info_t const *buffer_info, VkDeviceSize offset, VkDeviceSize size, uint32_t data) { RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer); assert(size != VK_WHOLE_SIZE); radv_fill_buffer(cmd_buffer, NULL, NULL, buffer_info->devaddr + buffer_info->offset + offset, size, data); } VkResult radv_device_init_null_accel_struct(struct radv_device *device) { if (device->physical_device->memory_properties.memoryTypeCount == 0) return VK_SUCCESS; /* Exit in the case of null winsys. */ VkDevice _device = radv_device_to_handle(device); uint32_t bvh_offset = ALIGN(sizeof(struct radv_accel_struct_header), 64); uint32_t size = bvh_offset + sizeof(struct radv_bvh_box32_node); VkResult result; VkBuffer buffer = VK_NULL_HANDLE; VkDeviceMemory memory = VK_NULL_HANDLE; VkAccelerationStructureKHR accel_struct = VK_NULL_HANDLE; VkBufferCreateInfo buffer_create_info = { .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO, .size = size, .usage = VK_BUFFER_USAGE_ACCELERATION_STRUCTURE_STORAGE_BIT_KHR, .sharingMode = VK_SHARING_MODE_EXCLUSIVE, }; result = radv_CreateBuffer(_device, &buffer_create_info, &device->meta_state.alloc, &buffer); if (result != VK_SUCCESS) return result; VkBufferMemoryRequirementsInfo2 info = { .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_REQUIREMENTS_INFO_2, .buffer = buffer, }; VkMemoryRequirements2 mem_req = { .sType = VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2, }; vk_common_GetBufferMemoryRequirements2(_device, &info, &mem_req); VkMemoryAllocateInfo alloc_info = { .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, .allocationSize = mem_req.memoryRequirements.size, .memoryTypeIndex = radv_find_memory_index(device->physical_device, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT), }; result = radv_AllocateMemory(_device, &alloc_info, &device->meta_state.alloc, &memory); if (result != VK_SUCCESS) return result; VkBindBufferMemoryInfo bind_info = { .sType = VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_INFO, .buffer = buffer, .memory = memory, }; result = radv_BindBufferMemory2(_device, 1, &bind_info); if (result != VK_SUCCESS) return result; void *data; result = vk_common_MapMemory(_device, memory, 0, size, 0, &data); if (result != VK_SUCCESS) return result; struct radv_accel_struct_header header = { .bvh_offset = bvh_offset, }; memcpy(data, &header, sizeof(struct radv_accel_struct_header)); struct radv_bvh_box32_node root = { .children = { RADV_BVH_INVALID_NODE, RADV_BVH_INVALID_NODE, RADV_BVH_INVALID_NODE, RADV_BVH_INVALID_NODE, }, }; for (uint32_t child = 0; child < 4; child++) { root.coords[child] = (radv_aabb){ .min.x = NAN, .min.y = NAN, .min.z = NAN, .max.x = NAN, .max.y = NAN, .max.z = NAN, }; } memcpy((uint8_t *)data + bvh_offset, &root, sizeof(struct radv_bvh_box32_node)); vk_common_UnmapMemory(_device, memory); VkAccelerationStructureCreateInfoKHR create_info = { .sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_CREATE_INFO_KHR, .buffer = buffer, .size = size, .type = VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_KHR, }; result = vk_common_CreateAccelerationStructureKHR(_device, &create_info, &device->meta_state.alloc, &accel_struct); if (result != VK_SUCCESS) return result; device->meta_state.accel_struct_build.null.buffer = buffer; device->meta_state.accel_struct_build.null.memory = memory; device->meta_state.accel_struct_build.null.accel_struct = accel_struct; return VK_SUCCESS; } VkResult radv_device_init_accel_struct_build_state(struct radv_device *device) { VkResult result = VK_SUCCESS; mtx_lock(&device->meta_state.mtx); if (device->meta_state.accel_struct_build.radix_sort) goto exit; result = create_build_pipeline_spv(device, leaf_spv, sizeof(leaf_spv), sizeof(struct leaf_args), &device->meta_state.accel_struct_build.leaf_pipeline, &device->meta_state.accel_struct_build.leaf_p_layout); if (result != VK_SUCCESS) goto exit; result = create_build_pipeline_spv(device, lbvh_main_spv, sizeof(lbvh_main_spv), sizeof(struct lbvh_main_args), &device->meta_state.accel_struct_build.lbvh_main_pipeline, &device->meta_state.accel_struct_build.lbvh_main_p_layout); if (result != VK_SUCCESS) goto exit; result = create_build_pipeline_spv(device, lbvh_generate_ir_spv, sizeof(lbvh_generate_ir_spv), sizeof(struct lbvh_generate_ir_args), &device->meta_state.accel_struct_build.lbvh_generate_ir_pipeline, &device->meta_state.accel_struct_build.lbvh_generate_ir_p_layout); if (result != VK_SUCCESS) goto exit; result = create_build_pipeline_spv(device, ploc_spv, sizeof(ploc_spv), sizeof(struct ploc_args), &device->meta_state.accel_struct_build.ploc_pipeline, &device->meta_state.accel_struct_build.ploc_p_layout); if (result != VK_SUCCESS) goto exit; result = create_build_pipeline_spv(device, ploc_extended_spv, sizeof(ploc_extended_spv), sizeof(struct ploc_args), &device->meta_state.accel_struct_build.ploc_extended_pipeline, &device->meta_state.accel_struct_build.ploc_p_layout); if (result != VK_SUCCESS) goto exit; result = create_build_pipeline_spv(device, encode_spv, sizeof(encode_spv), sizeof(struct encode_args), &device->meta_state.accel_struct_build.encode_pipeline, &device->meta_state.accel_struct_build.encode_p_layout); if (result != VK_SUCCESS) goto exit; result = create_build_pipeline_spv( device, encode_compact_spv, sizeof(encode_compact_spv), sizeof(struct encode_args), &device->meta_state.accel_struct_build.encode_compact_pipeline, &device->meta_state.accel_struct_build.encode_p_layout); if (result != VK_SUCCESS) goto exit; result = create_build_pipeline_spv(device, header_spv, sizeof(header_spv), sizeof(struct header_args), &device->meta_state.accel_struct_build.header_pipeline, &device->meta_state.accel_struct_build.header_p_layout); if (result != VK_SUCCESS) goto exit; result = create_build_pipeline_spv(device, morton_spv, sizeof(morton_spv), sizeof(struct morton_args), &device->meta_state.accel_struct_build.morton_pipeline, &device->meta_state.accel_struct_build.morton_p_layout); if (result != VK_SUCCESS) goto exit; device->meta_state.accel_struct_build.radix_sort = radv_create_radix_sort_u64(radv_device_to_handle(device), &device->meta_state.alloc, device->meta_state.cache); struct radix_sort_vk_sort_devaddr_info *radix_sort_info = &device->meta_state.accel_struct_build.radix_sort_info; radix_sort_info->ext = NULL; radix_sort_info->key_bits = 24; radix_sort_info->fill_buffer = radix_sort_fill_buffer; exit: mtx_unlock(&device->meta_state.mtx); return result; } static VkResult radv_device_init_accel_struct_copy_state(struct radv_device *device) { mtx_lock(&device->meta_state.mtx); VkResult result = create_build_pipeline_spv(device, copy_spv, sizeof(copy_spv), sizeof(struct copy_args), &device->meta_state.accel_struct_build.copy_pipeline, &device->meta_state.accel_struct_build.copy_p_layout); mtx_unlock(&device->meta_state.mtx); return result; } struct bvh_state { uint32_t internal_node_base; uint32_t node_count; uint32_t scratch_offset; uint32_t leaf_node_count; uint32_t internal_node_count; uint32_t leaf_node_size; struct acceleration_structure_layout accel_struct; struct scratch_layout scratch; struct build_config config; }; static void build_leaves(VkCommandBuffer commandBuffer, uint32_t infoCount, const VkAccelerationStructureBuildGeometryInfoKHR *pInfos, const VkAccelerationStructureBuildRangeInfoKHR *const *ppBuildRangeInfos, struct bvh_state *bvh_states, enum radv_cmd_flush_bits flush_bits) { RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer); radv_CmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_COMPUTE, cmd_buffer->device->meta_state.accel_struct_build.leaf_pipeline); for (uint32_t i = 0; i < infoCount; ++i) { struct leaf_args leaf_consts = { .bvh = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.ir_offset, .header = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.header_offset, .ids = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.sort_buffer_offset[0], .dst_offset = 0, }; for (unsigned j = 0; j < pInfos[i].geometryCount; ++j) { const VkAccelerationStructureGeometryKHR *geom = pInfos[i].pGeometries ? &pInfos[i].pGeometries[j] : pInfos[i].ppGeometries[j]; const VkAccelerationStructureBuildRangeInfoKHR *buildRangeInfo = &ppBuildRangeInfos[i][j]; leaf_consts.first_id = bvh_states[i].node_count; leaf_consts.geometry_type = geom->geometryType; leaf_consts.geometry_id = j | (geom->flags << 28); unsigned prim_size; switch (geom->geometryType) { case VK_GEOMETRY_TYPE_TRIANGLES_KHR: assert(pInfos[i].type == VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR); leaf_consts.data = geom->geometry.triangles.vertexData.deviceAddress + buildRangeInfo->firstVertex * geom->geometry.triangles.vertexStride; leaf_consts.indices = geom->geometry.triangles.indexData.deviceAddress; if (geom->geometry.triangles.indexType == VK_INDEX_TYPE_NONE_KHR) leaf_consts.data += buildRangeInfo->primitiveOffset; else leaf_consts.indices += buildRangeInfo->primitiveOffset; leaf_consts.transform = geom->geometry.triangles.transformData.deviceAddress; if (leaf_consts.transform) leaf_consts.transform += buildRangeInfo->transformOffset; leaf_consts.stride = geom->geometry.triangles.vertexStride; leaf_consts.vertex_format = geom->geometry.triangles.vertexFormat; leaf_consts.index_format = geom->geometry.triangles.indexType; prim_size = sizeof(struct radv_ir_triangle_node); break; case VK_GEOMETRY_TYPE_AABBS_KHR: assert(pInfos[i].type == VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR); leaf_consts.data = geom->geometry.aabbs.data.deviceAddress + buildRangeInfo->primitiveOffset; leaf_consts.stride = geom->geometry.aabbs.stride; prim_size = sizeof(struct radv_ir_aabb_node); break; case VK_GEOMETRY_TYPE_INSTANCES_KHR: assert(pInfos[i].type == VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_KHR); leaf_consts.data = geom->geometry.instances.data.deviceAddress + buildRangeInfo->primitiveOffset; if (geom->geometry.instances.arrayOfPointers) leaf_consts.stride = 8; else leaf_consts.stride = sizeof(VkAccelerationStructureInstanceKHR); prim_size = sizeof(struct radv_ir_instance_node); break; default: unreachable("Unknown geometryType"); } radv_CmdPushConstants(commandBuffer, cmd_buffer->device->meta_state.accel_struct_build.leaf_p_layout, VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(leaf_consts), &leaf_consts); radv_unaligned_dispatch(cmd_buffer, buildRangeInfo->primitiveCount, 1, 1); leaf_consts.dst_offset += prim_size * buildRangeInfo->primitiveCount; bvh_states[i].leaf_node_count += buildRangeInfo->primitiveCount; bvh_states[i].node_count += buildRangeInfo->primitiveCount; } bvh_states[i].internal_node_base = leaf_consts.dst_offset; } cmd_buffer->state.flush_bits |= flush_bits; } static void morton_generate(VkCommandBuffer commandBuffer, uint32_t infoCount, const VkAccelerationStructureBuildGeometryInfoKHR *pInfos, struct bvh_state *bvh_states, enum radv_cmd_flush_bits flush_bits) { RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer); radv_CmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_COMPUTE, cmd_buffer->device->meta_state.accel_struct_build.morton_pipeline); for (uint32_t i = 0; i < infoCount; ++i) { const struct morton_args consts = { .bvh = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.ir_offset, .header = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.header_offset, .ids = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.sort_buffer_offset[0], }; radv_CmdPushConstants(commandBuffer, cmd_buffer->device->meta_state.accel_struct_build.morton_p_layout, VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(consts), &consts); radv_unaligned_dispatch(cmd_buffer, bvh_states[i].node_count, 1, 1); } cmd_buffer->state.flush_bits |= flush_bits; } static void morton_sort(VkCommandBuffer commandBuffer, uint32_t infoCount, const VkAccelerationStructureBuildGeometryInfoKHR *pInfos, struct bvh_state *bvh_states, enum radv_cmd_flush_bits flush_bits) { RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer); for (uint32_t i = 0; i < infoCount; ++i) { struct radix_sort_vk_memory_requirements requirements; radix_sort_vk_get_memory_requirements( cmd_buffer->device->meta_state.accel_struct_build.radix_sort, bvh_states[i].node_count, &requirements); struct radix_sort_vk_sort_devaddr_info info = cmd_buffer->device->meta_state.accel_struct_build.radix_sort_info; info.count = bvh_states[i].node_count; info.keyvals_even.buffer = VK_NULL_HANDLE; info.keyvals_even.offset = 0; info.keyvals_even.devaddr = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.sort_buffer_offset[0]; info.keyvals_odd = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.sort_buffer_offset[1]; info.internal.buffer = VK_NULL_HANDLE; info.internal.offset = 0; info.internal.devaddr = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.sort_internal_offset; VkDeviceAddress result_addr; radix_sort_vk_sort_devaddr(cmd_buffer->device->meta_state.accel_struct_build.radix_sort, &info, radv_device_to_handle(cmd_buffer->device), commandBuffer, &result_addr); assert(result_addr == info.keyvals_even.devaddr || result_addr == info.keyvals_odd); bvh_states[i].scratch_offset = (uint32_t)(result_addr - pInfos[i].scratchData.deviceAddress); } cmd_buffer->state.flush_bits |= flush_bits; } static void lbvh_build_internal(VkCommandBuffer commandBuffer, uint32_t infoCount, const VkAccelerationStructureBuildGeometryInfoKHR *pInfos, struct bvh_state *bvh_states, enum radv_cmd_flush_bits flush_bits) { RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer); radv_CmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_COMPUTE, cmd_buffer->device->meta_state.accel_struct_build.lbvh_main_pipeline); for (uint32_t i = 0; i < infoCount; ++i) { if (bvh_states[i].config.internal_type != INTERNAL_BUILD_TYPE_LBVH) continue; uint32_t src_scratch_offset = bvh_states[i].scratch_offset; uint32_t internal_node_count = MAX2(bvh_states[i].node_count, 2) - 1; const struct lbvh_main_args consts = { .bvh = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.ir_offset, .src_ids = pInfos[i].scratchData.deviceAddress + src_scratch_offset, .node_info = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.lbvh_node_offset, .id_count = bvh_states[i].node_count, .internal_node_base = bvh_states[i].internal_node_base, }; radv_CmdPushConstants(commandBuffer, cmd_buffer->device->meta_state.accel_struct_build.lbvh_main_p_layout, VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(consts), &consts); radv_unaligned_dispatch(cmd_buffer, internal_node_count, 1, 1); bvh_states[i].node_count = internal_node_count; bvh_states[i].internal_node_count = internal_node_count; } cmd_buffer->state.flush_bits |= flush_bits; radv_CmdBindPipeline( commandBuffer, VK_PIPELINE_BIND_POINT_COMPUTE, cmd_buffer->device->meta_state.accel_struct_build.lbvh_generate_ir_pipeline); for (uint32_t i = 0; i < infoCount; ++i) { if (bvh_states[i].config.internal_type != INTERNAL_BUILD_TYPE_LBVH) continue; const struct lbvh_generate_ir_args consts = { .bvh = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.ir_offset, .node_info = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.lbvh_node_offset, .header = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.header_offset, .internal_node_base = bvh_states[i].internal_node_base, }; radv_CmdPushConstants( commandBuffer, cmd_buffer->device->meta_state.accel_struct_build.lbvh_generate_ir_p_layout, VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(consts), &consts); radv_unaligned_dispatch(cmd_buffer, bvh_states[i].internal_node_count, 1, 1); } } static void ploc_build_internal(VkCommandBuffer commandBuffer, uint32_t infoCount, const VkAccelerationStructureBuildGeometryInfoKHR *pInfos, struct bvh_state *bvh_states, bool extended_sah) { RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer); radv_CmdBindPipeline( commandBuffer, VK_PIPELINE_BIND_POINT_COMPUTE, extended_sah ? cmd_buffer->device->meta_state.accel_struct_build.ploc_extended_pipeline : cmd_buffer->device->meta_state.accel_struct_build.ploc_pipeline); for (uint32_t i = 0; i < infoCount; ++i) { if (bvh_states[i].config.internal_type != INTERNAL_BUILD_TYPE_PLOC) continue; if (bvh_states[i].config.extended_sah != extended_sah) continue; struct radv_global_sync_data initial_sync_data = { .current_phase_end_counter = TASK_INDEX_INVALID, /* Will be updated by the first PLOC shader invocation */ .task_counts = {TASK_INDEX_INVALID, TASK_INDEX_INVALID}, }; radv_update_buffer_cp(cmd_buffer, pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.header_offset + offsetof(struct radv_ir_header, sync_data), &initial_sync_data, sizeof(struct radv_global_sync_data)); uint32_t src_scratch_offset = bvh_states[i].scratch_offset; uint32_t dst_scratch_offset = (src_scratch_offset == bvh_states[i].scratch.sort_buffer_offset[0]) ? bvh_states[i].scratch.sort_buffer_offset[1] : bvh_states[i].scratch.sort_buffer_offset[0]; const struct ploc_args consts = { .bvh = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.ir_offset, .header = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.header_offset, .ids_0 = pInfos[i].scratchData.deviceAddress + src_scratch_offset, .ids_1 = pInfos[i].scratchData.deviceAddress + dst_scratch_offset, .prefix_scan_partitions = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.ploc_prefix_sum_partition_offset, .internal_node_offset = bvh_states[i].internal_node_base, }; radv_CmdPushConstants(commandBuffer, cmd_buffer->device->meta_state.accel_struct_build.ploc_p_layout, VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(consts), &consts); vk_common_CmdDispatch(commandBuffer, MAX2(DIV_ROUND_UP(bvh_states[i].node_count, PLOC_WORKGROUP_SIZE), 1), 1, 1); } } static void encode_nodes(VkCommandBuffer commandBuffer, uint32_t infoCount, const VkAccelerationStructureBuildGeometryInfoKHR *pInfos, struct bvh_state *bvh_states, bool compact) { RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer); radv_CmdBindPipeline( commandBuffer, VK_PIPELINE_BIND_POINT_COMPUTE, compact ? cmd_buffer->device->meta_state.accel_struct_build.encode_compact_pipeline : cmd_buffer->device->meta_state.accel_struct_build.encode_pipeline); for (uint32_t i = 0; i < infoCount; ++i) { if (compact != bvh_states[i].config.compact) continue; RADV_FROM_HANDLE(vk_acceleration_structure, accel_struct, pInfos[i].dstAccelerationStructure); VkGeometryTypeKHR geometry_type = VK_GEOMETRY_TYPE_TRIANGLES_KHR; /* If the geometry count is 0, then the size does not matter * because it will be multiplied with 0. */ if (pInfos[i].geometryCount) geometry_type = pInfos[i].pGeometries ? pInfos[i].pGeometries[0].geometryType : pInfos[i].ppGeometries[0]->geometryType; if (bvh_states[i].config.compact) { uint32_t leaf_node_size = 0; switch (geometry_type) { case VK_GEOMETRY_TYPE_TRIANGLES_KHR: leaf_node_size = sizeof(struct radv_bvh_triangle_node); break; case VK_GEOMETRY_TYPE_AABBS_KHR: leaf_node_size = sizeof(struct radv_bvh_aabb_node); break; case VK_GEOMETRY_TYPE_INSTANCES_KHR: leaf_node_size = sizeof(struct radv_bvh_instance_node); break; default: unreachable(""); } uint32_t dst_offset = sizeof(struct radv_bvh_box32_node) + bvh_states[i].leaf_node_count * leaf_node_size; radv_update_buffer_cp(cmd_buffer, pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.header_offset + offsetof(struct radv_ir_header, dst_node_offset), &dst_offset, sizeof(uint32_t)); } const struct encode_args args = { .intermediate_bvh = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.ir_offset, .output_bvh = vk_acceleration_structure_get_va(accel_struct) + bvh_states[i].accel_struct.bvh_offset, .header = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.header_offset, .output_bvh_offset = bvh_states[i].accel_struct.bvh_offset, .leaf_node_count = bvh_states[i].leaf_node_count, .geometry_type = geometry_type, }; radv_CmdPushConstants(commandBuffer, cmd_buffer->device->meta_state.accel_struct_build.encode_p_layout, VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(args), &args); struct radv_dispatch_info dispatch = { .unaligned = true, .ordered = true, .va = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.header_offset + offsetof(struct radv_ir_header, ir_internal_node_count), }; radv_compute_dispatch(cmd_buffer, &dispatch); } /* This is the final access to the leaf nodes, no need to flush */ } static void init_header(VkCommandBuffer commandBuffer, uint32_t infoCount, const VkAccelerationStructureBuildGeometryInfoKHR *pInfos, struct bvh_state *bvh_states) { RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer); radv_CmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_COMPUTE, cmd_buffer->device->meta_state.accel_struct_build.header_pipeline); for (uint32_t i = 0; i < infoCount; ++i) { RADV_FROM_HANDLE(vk_acceleration_structure, accel_struct, pInfos[i].dstAccelerationStructure); size_t base = offsetof(struct radv_accel_struct_header, compacted_size); uint64_t instance_count = pInfos[i].type == VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_KHR ? bvh_states[i].leaf_node_count : 0; if (bvh_states[i].config.compact) { base = offsetof(struct radv_accel_struct_header, geometry_count); struct header_args args = { .src = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.header_offset, .dst = vk_acceleration_structure_get_va(accel_struct), .bvh_offset = bvh_states[i].accel_struct.bvh_offset, .instance_count = instance_count, }; radv_CmdPushConstants(commandBuffer, cmd_buffer->device->meta_state.accel_struct_build.header_p_layout, VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(args), &args); radv_unaligned_dispatch(cmd_buffer, 1, 1, 1); } struct radv_accel_struct_header header; header.instance_offset = bvh_states[i].accel_struct.bvh_offset + sizeof(struct radv_bvh_box32_node); header.instance_count = instance_count; header.compacted_size = bvh_states[i].accel_struct.size; header.copy_dispatch_size[0] = DIV_ROUND_UP(header.compacted_size, 16 * 64); header.copy_dispatch_size[1] = 1; header.copy_dispatch_size[2] = 1; header.serialization_size = header.compacted_size + align(sizeof(struct radv_accel_struct_serialization_header) + sizeof(uint64_t) * header.instance_count, 128); header.size = header.serialization_size - sizeof(struct radv_accel_struct_serialization_header) - sizeof(uint64_t) * header.instance_count; header.build_flags = pInfos[i].flags; header.geometry_count = pInfos[i].geometryCount; radv_update_buffer_cp(cmd_buffer, vk_acceleration_structure_get_va(accel_struct) + base, (const char *)&header + base, sizeof(header) - base); } } static void init_geometry_infos(VkCommandBuffer commandBuffer, uint32_t infoCount, const VkAccelerationStructureBuildGeometryInfoKHR *pInfos, struct bvh_state *bvh_states, const VkAccelerationStructureBuildRangeInfoKHR *const *ppBuildRangeInfos) { for (uint32_t i = 0; i < infoCount; ++i) { RADV_FROM_HANDLE(vk_acceleration_structure, accel_struct, pInfos[i].dstAccelerationStructure); uint64_t geometry_infos_size = pInfos[i].geometryCount * sizeof(struct radv_accel_struct_geometry_info); struct radv_accel_struct_geometry_info *geometry_infos = malloc(geometry_infos_size); if (!geometry_infos) continue; for (uint32_t j = 0; j < pInfos[i].geometryCount; ++j) { const VkAccelerationStructureGeometryKHR *geometry = pInfos[i].pGeometries ? pInfos[i].pGeometries + j : pInfos[i].ppGeometries[j]; geometry_infos[j].type = geometry->geometryType; geometry_infos[j].flags = geometry->flags; geometry_infos[j].primitive_count = ppBuildRangeInfos[i][j].primitiveCount; } radv_CmdUpdateBuffer(commandBuffer, accel_struct->buffer, accel_struct->offset + bvh_states[i].accel_struct.geometry_info_offset, geometry_infos_size, geometry_infos); free(geometry_infos); } } VKAPI_ATTR void VKAPI_CALL radv_CmdBuildAccelerationStructuresKHR( VkCommandBuffer commandBuffer, uint32_t infoCount, const VkAccelerationStructureBuildGeometryInfoKHR *pInfos, const VkAccelerationStructureBuildRangeInfoKHR *const *ppBuildRangeInfos) { RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer); struct radv_meta_saved_state saved_state; VkResult result = radv_device_init_accel_struct_build_state(cmd_buffer->device); if (result != VK_SUCCESS) { vk_command_buffer_set_error(&cmd_buffer->vk, result); return; } enum radv_cmd_flush_bits flush_bits = RADV_CMD_FLAG_CS_PARTIAL_FLUSH | radv_src_access_flush(cmd_buffer, VK_ACCESS_2_SHADER_READ_BIT | VK_ACCESS_2_SHADER_WRITE_BIT, NULL) | radv_dst_access_flush(cmd_buffer, VK_ACCESS_2_SHADER_READ_BIT | VK_ACCESS_2_SHADER_WRITE_BIT, NULL); radv_meta_save( &saved_state, cmd_buffer, RADV_META_SAVE_COMPUTE_PIPELINE | RADV_META_SAVE_DESCRIPTORS | RADV_META_SAVE_CONSTANTS); struct bvh_state *bvh_states = calloc(infoCount, sizeof(struct bvh_state)); for (uint32_t i = 0; i < infoCount; ++i) { uint32_t leaf_node_count = 0; for (uint32_t j = 0; j < pInfos[i].geometryCount; ++j) { leaf_node_count += ppBuildRangeInfos[i][j].primitiveCount; } get_build_layout(cmd_buffer->device, leaf_node_count, pInfos + i, &bvh_states[i].accel_struct, &bvh_states[i].scratch); bvh_states[i].config = build_config(leaf_node_count, pInfos + i); /* The internal node count is updated in lbvh_build_internal for LBVH * and from the PLOC shader for PLOC. */ struct radv_ir_header header = { .min_bounds = {0x7fffffff, 0x7fffffff, 0x7fffffff}, .max_bounds = {0x80000000, 0x80000000, 0x80000000}, .dispatch_size_y = 1, .dispatch_size_z = 1, }; radv_update_buffer_cp( cmd_buffer, pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.header_offset, &header, sizeof(header)); } cmd_buffer->state.flush_bits |= flush_bits; build_leaves(commandBuffer, infoCount, pInfos, ppBuildRangeInfos, bvh_states, flush_bits); morton_generate(commandBuffer, infoCount, pInfos, bvh_states, flush_bits); morton_sort(commandBuffer, infoCount, pInfos, bvh_states, flush_bits); cmd_buffer->state.flush_bits |= flush_bits; lbvh_build_internal(commandBuffer, infoCount, pInfos, bvh_states, flush_bits); ploc_build_internal(commandBuffer, infoCount, pInfos, bvh_states, false); ploc_build_internal(commandBuffer, infoCount, pInfos, bvh_states, true); cmd_buffer->state.flush_bits |= flush_bits; encode_nodes(commandBuffer, infoCount, pInfos, bvh_states, false); encode_nodes(commandBuffer, infoCount, pInfos, bvh_states, true); cmd_buffer->state.flush_bits |= flush_bits; init_header(commandBuffer, infoCount, pInfos, bvh_states); if (cmd_buffer->device->rra_trace.accel_structs) init_geometry_infos(commandBuffer, infoCount, pInfos, bvh_states, ppBuildRangeInfos); free(bvh_states); radv_meta_restore(&saved_state, cmd_buffer); } VKAPI_ATTR void VKAPI_CALL radv_CmdCopyAccelerationStructureKHR(VkCommandBuffer commandBuffer, const VkCopyAccelerationStructureInfoKHR *pInfo) { RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer); RADV_FROM_HANDLE(vk_acceleration_structure, src, pInfo->src); RADV_FROM_HANDLE(vk_acceleration_structure, dst, pInfo->dst); RADV_FROM_HANDLE(radv_buffer, src_buffer, src->buffer); struct radv_meta_saved_state saved_state; VkResult result = radv_device_init_accel_struct_copy_state(cmd_buffer->device); if (result != VK_SUCCESS) { vk_command_buffer_set_error(&cmd_buffer->vk, result); return; } radv_meta_save( &saved_state, cmd_buffer, RADV_META_SAVE_COMPUTE_PIPELINE | RADV_META_SAVE_DESCRIPTORS | RADV_META_SAVE_CONSTANTS); radv_CmdBindPipeline(radv_cmd_buffer_to_handle(cmd_buffer), VK_PIPELINE_BIND_POINT_COMPUTE, cmd_buffer->device->meta_state.accel_struct_build.copy_pipeline); struct copy_args consts = { .src_addr = vk_acceleration_structure_get_va(src), .dst_addr = vk_acceleration_structure_get_va(dst), .mode = RADV_COPY_MODE_COPY, }; radv_CmdPushConstants(radv_cmd_buffer_to_handle(cmd_buffer), cmd_buffer->device->meta_state.accel_struct_build.copy_p_layout, VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(consts), &consts); cmd_buffer->state.flush_bits |= radv_dst_access_flush(cmd_buffer, VK_ACCESS_2_INDIRECT_COMMAND_READ_BIT, NULL); radv_indirect_dispatch(cmd_buffer, src_buffer->bo, vk_acceleration_structure_get_va(src) + offsetof(struct radv_accel_struct_header, copy_dispatch_size)); radv_meta_restore(&saved_state, cmd_buffer); } VKAPI_ATTR void VKAPI_CALL radv_GetDeviceAccelerationStructureCompatibilityKHR( VkDevice _device, const VkAccelerationStructureVersionInfoKHR *pVersionInfo, VkAccelerationStructureCompatibilityKHR *pCompatibility) { RADV_FROM_HANDLE(radv_device, device, _device); bool compat = memcmp(pVersionInfo->pVersionData, device->physical_device->driver_uuid, VK_UUID_SIZE) == 0 && memcmp(pVersionInfo->pVersionData + VK_UUID_SIZE, device->physical_device->cache_uuid, VK_UUID_SIZE) == 0; *pCompatibility = compat ? VK_ACCELERATION_STRUCTURE_COMPATIBILITY_COMPATIBLE_KHR : VK_ACCELERATION_STRUCTURE_COMPATIBILITY_INCOMPATIBLE_KHR; } VKAPI_ATTR VkResult VKAPI_CALL radv_CopyMemoryToAccelerationStructureKHR(VkDevice _device, VkDeferredOperationKHR deferredOperation, const VkCopyMemoryToAccelerationStructureInfoKHR *pInfo) { unreachable("Unimplemented"); return VK_ERROR_FEATURE_NOT_PRESENT; } VKAPI_ATTR VkResult VKAPI_CALL radv_CopyAccelerationStructureToMemoryKHR(VkDevice _device, VkDeferredOperationKHR deferredOperation, const VkCopyAccelerationStructureToMemoryInfoKHR *pInfo) { unreachable("Unimplemented"); return VK_ERROR_FEATURE_NOT_PRESENT; } VKAPI_ATTR void VKAPI_CALL radv_CmdCopyMemoryToAccelerationStructureKHR( VkCommandBuffer commandBuffer, const VkCopyMemoryToAccelerationStructureInfoKHR *pInfo) { RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer); RADV_FROM_HANDLE(vk_acceleration_structure, dst, pInfo->dst); struct radv_meta_saved_state saved_state; VkResult result = radv_device_init_accel_struct_copy_state(cmd_buffer->device); if (result != VK_SUCCESS) { vk_command_buffer_set_error(&cmd_buffer->vk, result); return; } radv_meta_save( &saved_state, cmd_buffer, RADV_META_SAVE_COMPUTE_PIPELINE | RADV_META_SAVE_DESCRIPTORS | RADV_META_SAVE_CONSTANTS); radv_CmdBindPipeline(radv_cmd_buffer_to_handle(cmd_buffer), VK_PIPELINE_BIND_POINT_COMPUTE, cmd_buffer->device->meta_state.accel_struct_build.copy_pipeline); const struct copy_args consts = { .src_addr = pInfo->src.deviceAddress, .dst_addr = vk_acceleration_structure_get_va(dst), .mode = RADV_COPY_MODE_DESERIALIZE, }; radv_CmdPushConstants(radv_cmd_buffer_to_handle(cmd_buffer), cmd_buffer->device->meta_state.accel_struct_build.copy_p_layout, VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(consts), &consts); vk_common_CmdDispatch(commandBuffer, 512, 1, 1); radv_meta_restore(&saved_state, cmd_buffer); } VKAPI_ATTR void VKAPI_CALL radv_CmdCopyAccelerationStructureToMemoryKHR( VkCommandBuffer commandBuffer, const VkCopyAccelerationStructureToMemoryInfoKHR *pInfo) { RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer); RADV_FROM_HANDLE(vk_acceleration_structure, src, pInfo->src); RADV_FROM_HANDLE(radv_buffer, src_buffer, src->buffer); struct radv_meta_saved_state saved_state; VkResult result = radv_device_init_accel_struct_copy_state(cmd_buffer->device); if (result != VK_SUCCESS) { vk_command_buffer_set_error(&cmd_buffer->vk, result); return; } radv_meta_save( &saved_state, cmd_buffer, RADV_META_SAVE_COMPUTE_PIPELINE | RADV_META_SAVE_DESCRIPTORS | RADV_META_SAVE_CONSTANTS); radv_CmdBindPipeline(radv_cmd_buffer_to_handle(cmd_buffer), VK_PIPELINE_BIND_POINT_COMPUTE, cmd_buffer->device->meta_state.accel_struct_build.copy_pipeline); const struct copy_args consts = { .src_addr = vk_acceleration_structure_get_va(src), .dst_addr = pInfo->dst.deviceAddress, .mode = RADV_COPY_MODE_SERIALIZE, }; radv_CmdPushConstants(radv_cmd_buffer_to_handle(cmd_buffer), cmd_buffer->device->meta_state.accel_struct_build.copy_p_layout, VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(consts), &consts); cmd_buffer->state.flush_bits |= radv_dst_access_flush(cmd_buffer, VK_ACCESS_2_INDIRECT_COMMAND_READ_BIT, NULL); radv_indirect_dispatch(cmd_buffer, src_buffer->bo, vk_acceleration_structure_get_va(src) + offsetof(struct radv_accel_struct_header, copy_dispatch_size)); radv_meta_restore(&saved_state, cmd_buffer); /* Set the header of the serialized data. */ uint8_t header_data[2 * VK_UUID_SIZE]; memcpy(header_data, cmd_buffer->device->physical_device->driver_uuid, VK_UUID_SIZE); memcpy(header_data + VK_UUID_SIZE, cmd_buffer->device->physical_device->cache_uuid, VK_UUID_SIZE); radv_update_buffer_cp(cmd_buffer, pInfo->dst.deviceAddress, header_data, sizeof(header_data)); } VKAPI_ATTR void VKAPI_CALL radv_CmdBuildAccelerationStructuresIndirectKHR( VkCommandBuffer commandBuffer, uint32_t infoCount, const VkAccelerationStructureBuildGeometryInfoKHR *pInfos, const VkDeviceAddress *pIndirectDeviceAddresses, const uint32_t *pIndirectStrides, const uint32_t *const *ppMaxPrimitiveCounts) { unreachable("Unimplemented"); }