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mesa/src/amd/vulkan/radv_acceleration_structure.c

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/*
* 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_acceleration_structure.h"
#include "radv_private.h"
#include "nir_builder.h"
#include "radv_cs.h"
#include "radv_meta.h"
#include "radix_sort/radv_radix_sort.h"
#include "bvh/build_interface.h"
static const uint32_t leaf_spv[] = {
#include "bvh/leaf.comp.spv.h"
};
static const uint32_t morton_spv[] = {
#include "bvh/morton.comp.spv.h"
};
static const uint32_t lbvh_internal_spv[] = {
#include "bvh/lbvh_internal.comp.spv.h"
};
static const uint32_t ploc_spv[] = {
#include "bvh/ploc_internal.comp.spv.h"
};
static const uint32_t copy_spv[] = {
#include "bvh/copy.comp.spv.h"
};
static const uint32_t convert_leaf_spv[] = {
#include "bvh/converter_leaf.comp.spv.h"
};
static const uint32_t convert_internal_spv[] = {
#include "bvh/converter_internal.comp.spv.h"
};
#define KEY_ID_PAIR_SIZE 8
enum radv_accel_struct_build_type {
RADV_ACCEL_STRUCT_BUILD_TYPE_LBVH,
RADV_ACCEL_STRUCT_BUILD_TYPE_PLOC,
};
struct acceleration_structure_layout {
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 ir_offset;
};
static enum radv_accel_struct_build_type
build_type(uint32_t leaf_count, const VkAccelerationStructureBuildGeometryInfoKHR *build_info)
{
if (leaf_count <= 4)
return RADV_ACCEL_STRUCT_BUILD_TYPE_LBVH;
if (build_info->type == VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_KHR)
return RADV_ACCEL_STRUCT_BUILD_TYPE_LBVH;
if (!(build_info->flags & VK_BUILD_ACCELERATION_STRUCTURE_PREFER_FAST_BUILD_BIT_KHR) &&
!(build_info->flags & VK_BUILD_ACCELERATION_STRUCTURE_ALLOW_UPDATE_BIT_KHR))
return RADV_ACCEL_STRUCT_BUILD_TYPE_PLOC;
else
return RADV_ACCEL_STRUCT_BUILD_TYPE_LBVH;
}
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)
{
/* Initialize to 1 to have enought space for the root node. */
uint32_t child_count = leaf_count;
uint32_t internal_count = 1;
while (child_count > 1) {
child_count = DIV_ROUND_UP(child_count, 2);
internal_count += child_count;
}
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);
/* 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;
offset += sizeof(struct radv_accel_struct_geometry_info) * build_info->geometryCount;
accel_struct->size = offset;
}
if (scratch) {
radix_sort_vk_memory_requirements_t requirements;
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;
if (build_type(leaf_count, build_info))
ploc_scratch_space = DIV_ROUND_UP(leaf_count, PLOC_WORKGROUP_SIZE) *
sizeof(struct ploc_prefix_scan_partition);
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 is invoked,
* save space by aliasing them */
scratch->ploc_prefix_sum_partition_offset = offset;
offset += MAX2(requirements.internal_size, ploc_scratch_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_CreateAccelerationStructureKHR(VkDevice _device,
const VkAccelerationStructureCreateInfoKHR *pCreateInfo,
const VkAllocationCallbacks *pAllocator,
VkAccelerationStructureKHR *pAccelerationStructure)
{
RADV_FROM_HANDLE(radv_device, device, _device);
RADV_FROM_HANDLE(radv_buffer, buffer, pCreateInfo->buffer);
struct radv_acceleration_structure *accel;
uint64_t mem_offset, va;
mem_offset = buffer->offset + pCreateInfo->offset;
va = radv_buffer_get_va(buffer->bo) + mem_offset;
if (pCreateInfo->deviceAddress && va != pCreateInfo->deviceAddress)
return vk_error(device, VK_ERROR_INVALID_OPAQUE_CAPTURE_ADDRESS_KHR);
accel = vk_alloc2(&device->vk.alloc, pAllocator, sizeof(*accel), 8,
VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
if (accel == NULL)
return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
vk_object_base_init(&device->vk, &accel->base, VK_OBJECT_TYPE_ACCELERATION_STRUCTURE_KHR);
accel->mem_offset = mem_offset;
accel->size = pCreateInfo->size;
accel->bo = buffer->bo;
accel->va = va;
accel->type = pCreateInfo->type;
*pAccelerationStructure = radv_acceleration_structure_to_handle(accel);
return VK_SUCCESS;
}
VKAPI_ATTR void VKAPI_CALL
radv_DestroyAccelerationStructureKHR(VkDevice _device,
VkAccelerationStructureKHR accelerationStructure,
const VkAllocationCallbacks *pAllocator)
{
RADV_FROM_HANDLE(radv_device, device, _device);
RADV_FROM_HANDLE(radv_acceleration_structure, accel, accelerationStructure);
if (!accel)
return;
vk_object_base_finish(&accel->base);
vk_free2(&device->vk.alloc, pAllocator, accel);
}
VKAPI_ATTR VkDeviceAddress VKAPI_CALL
radv_GetAccelerationStructureDeviceAddressKHR(
VkDevice _device, const VkAccelerationStructureDeviceAddressInfoKHR *pInfo)
{
RADV_FROM_HANDLE(radv_acceleration_structure, accel, pInfo->accelerationStructure);
return accel->va;
}
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.lbvh_internal_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.convert_leaf_pipeline, &state->alloc);
radv_DestroyPipeline(radv_device_to_handle(device),
state->accel_struct_build.convert_internal_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_internal_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.convert_leaf_p_layout, &state->alloc);
radv_DestroyPipelineLayout(radv_device_to_handle(device),
state->accel_struct_build.convert_internal_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);
}
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)
{
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;
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_CreateComputePipelines(radv_device_to_handle(device),
device->meta_state.cache, 1,
&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_accel_struct_build_state(struct radv_device *device)
{
VkResult result;
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)
return result;
result = create_build_pipeline_spv(
device, lbvh_internal_spv, sizeof(lbvh_internal_spv), sizeof(struct lbvh_internal_args),
&device->meta_state.accel_struct_build.lbvh_internal_pipeline,
&device->meta_state.accel_struct_build.lbvh_internal_p_layout);
if (result != VK_SUCCESS)
return result;
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)
return result;
result = create_build_pipeline_spv(device, convert_leaf_spv, sizeof(convert_leaf_spv),
sizeof(struct convert_leaf_args),
&device->meta_state.accel_struct_build.convert_leaf_pipeline,
&device->meta_state.accel_struct_build.convert_leaf_p_layout);
if (result != VK_SUCCESS)
return result;
result =
create_build_pipeline_spv(device, convert_internal_spv, sizeof(convert_internal_spv),
sizeof(struct convert_internal_args),
&device->meta_state.accel_struct_build.convert_internal_pipeline,
&device->meta_state.accel_struct_build.convert_internal_p_layout);
if (result != VK_SUCCESS)
return result;
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);
if (result != VK_SUCCESS)
return result;
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)
return result;
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;
return result;
}
struct bvh_state {
uint32_t node_offset;
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;
enum radv_accel_struct_build_type type;
};
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].node_offset = 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_internal_pipeline);
bool progress = true;
for (unsigned iter = 0; progress; ++iter) {
progress = false;
for (uint32_t i = 0; i < infoCount; ++i) {
if (bvh_states[i].type != RADV_ACCEL_STRUCT_BUILD_TYPE_LBVH)
continue;
if (iter && bvh_states[i].node_count == 1)
continue;
if (!progress)
cmd_buffer->state.flush_bits |= flush_bits;
progress = true;
uint32_t dst_node_count = MAX2(1, DIV_ROUND_UP(bvh_states[i].node_count, 2));
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];
uint32_t dst_node_offset = bvh_states[i].node_offset;
const struct lbvh_internal_args consts = {
.bvh = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.ir_offset,
.src_ids = pInfos[i].scratchData.deviceAddress + src_scratch_offset,
.dst_ids = pInfos[i].scratchData.deviceAddress + dst_scratch_offset,
.dst_offset = dst_node_offset,
.src_count = bvh_states[i].node_count,
};
radv_CmdPushConstants(
commandBuffer, cmd_buffer->device->meta_state.accel_struct_build.lbvh_internal_p_layout,
VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(consts), &consts);
radv_unaligned_dispatch(cmd_buffer, dst_node_count, 1, 1);
bvh_states[i].node_offset += dst_node_count * sizeof(struct radv_ir_box_node);
bvh_states[i].node_count = dst_node_count;
bvh_states[i].internal_node_count += dst_node_count;
bvh_states[i].scratch_offset = dst_scratch_offset;
}
}
for (uint32_t i = 0; i < infoCount; ++i) {
if (bvh_states[i].type != RADV_ACCEL_STRUCT_BUILD_TYPE_LBVH)
continue;
radv_update_buffer_cp(cmd_buffer,
pInfos[i].scratchData.deviceAddress +
bvh_states[i].scratch.header_offset +
offsetof(struct radv_ir_header, ir_internal_node_count),
&bvh_states[i].internal_node_count, 4);
}
}
static void
ploc_build_internal(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.ploc_pipeline);
for (uint32_t i = 0; i < infoCount; ++i) {
if (bvh_states[i].type != RADV_ACCEL_STRUCT_BUILD_TYPE_PLOC)
continue;
struct radv_global_sync_data initial_sync_data = {
.current_phase_end_counter = DIV_ROUND_UP(bvh_states[i].node_count, PLOC_WORKGROUP_SIZE),
/* 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].node_offset,
};
radv_CmdPushConstants(commandBuffer,
cmd_buffer->device->meta_state.accel_struct_build.ploc_p_layout,
VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(consts), &consts);
radv_CmdDispatch(commandBuffer, MAX2(DIV_ROUND_UP(bvh_states[i].node_count, 64), 1), 1, 1);
}
}
static void
convert_leaf_nodes(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.convert_leaf_pipeline);
for (uint32_t i = 0; i < infoCount; ++i) {
if (!pInfos[i].geometryCount)
continue;
RADV_FROM_HANDLE(radv_acceleration_structure, accel_struct,
pInfos[i].dstAccelerationStructure);
const struct convert_leaf_args args = {
.intermediate_bvh = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.ir_offset,
.output_bvh = accel_struct->va + bvh_states[i].accel_struct.bvh_offset,
.geometry_type = pInfos[i].pGeometries ? pInfos[i].pGeometries[0].geometryType
: pInfos[i].ppGeometries[0]->geometryType,
};
radv_CmdPushConstants(commandBuffer,
cmd_buffer->device->meta_state.accel_struct_build.convert_leaf_p_layout,
VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(args), &args);
radv_unaligned_dispatch(cmd_buffer, bvh_states[i].leaf_node_count, 1, 1);
}
/* This is the final access to the leaf nodes, no need to flush */
}
static void
convert_internal_nodes(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.convert_internal_pipeline);
for (uint32_t i = 0; i < infoCount; ++i) {
RADV_FROM_HANDLE(radv_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;
const struct convert_internal_args args = {
.intermediate_bvh = pInfos[i].scratchData.deviceAddress + bvh_states[i].scratch.ir_offset,
.output_bvh = accel_struct->va + 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.convert_internal_p_layout,
VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(args), &args);
radv_indirect_unaligned_dispatch(cmd_buffer, NULL,
pInfos[i].scratchData.deviceAddress +
bvh_states[i].scratch.header_offset +
offsetof(struct radv_ir_header, ir_internal_node_count));
}
/* This is the final access to the leaf nodes, no need to flush */
}
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;
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].type = build_type(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);
cmd_buffer->state.flush_bits |= flush_bits;
convert_leaf_nodes(commandBuffer, infoCount, pInfos, bvh_states);
convert_internal_nodes(commandBuffer, infoCount, pInfos, bvh_states);
for (uint32_t i = 0; i < infoCount; ++i) {
RADV_FROM_HANDLE(radv_acceleration_structure, accel_struct,
pInfos[i].dstAccelerationStructure);
const size_t base = offsetof(struct radv_accel_struct_header, compacted_size);
struct radv_accel_struct_header header;
bool is_tlas = pInfos[i].type == VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_KHR;
uint64_t geometry_infos_size =
pInfos[i].geometryCount * sizeof(struct radv_accel_struct_geometry_info);
header.instance_offset =
bvh_states[i].accel_struct.bvh_offset + sizeof(struct radv_bvh_box32_node);
header.instance_count = is_tlas ? bvh_states[i].leaf_node_count : 0;
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;
struct radv_accel_struct_geometry_info *geometry_infos = malloc(geometry_infos_size);
if (!geometry_infos)
goto fail;
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_update_buffer_cp(cmd_buffer, accel_struct->va + base, (const char *)&header + base,
sizeof(header) - base);
VkDeviceSize geometry_infos_offset = header.compacted_size - geometry_infos_size;
struct radv_buffer accel_struct_buffer;
radv_buffer_init(&accel_struct_buffer, cmd_buffer->device, accel_struct->bo,
accel_struct->size, accel_struct->mem_offset);
radv_CmdUpdateBuffer(commandBuffer, radv_buffer_to_handle(&accel_struct_buffer),
geometry_infos_offset, geometry_infos_size, geometry_infos);
radv_buffer_finish(&accel_struct_buffer);
free(geometry_infos);
}
fail:
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(radv_acceleration_structure, src, pInfo->src);
RADV_FROM_HANDLE(radv_acceleration_structure, dst, pInfo->dst);
struct radv_meta_saved_state saved_state;
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 = src->va,
.dst_addr = dst->va,
.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->bo,
src->va + 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(radv_acceleration_structure, dst, pInfo->dst);
struct radv_meta_saved_state saved_state;
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 = dst->va,
.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);
radv_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(radv_acceleration_structure, src, pInfo->src);
struct radv_meta_saved_state saved_state;
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 = src->va,
.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->bo,
src->va + 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");
}
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