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vkd3d-proton/libs/vkd3d/acceleration_structure.c

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/*
* Copyright 2021 Hans-Kristian Arntzen for Valve Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define VKD3D_DBG_CHANNEL VKD3D_DBG_CHANNEL_API
#include "vkd3d_private.h"
#define RT_TRACE TRACE
void vkd3d_acceleration_structure_build_info_cleanup(
struct vkd3d_acceleration_structure_build_info *info)
{
if (info->primitive_counts != info->primitive_counts_stack)
vkd3d_free(info->primitive_counts);
if (info->geometries != info->geometries_stack)
vkd3d_free(info->geometries);
if (info->build_range_ptrs != info->build_range_ptr_stack)
vkd3d_free((void *)info->build_range_ptrs);
if (info->build_ranges != info->build_range_stack)
vkd3d_free(info->build_ranges);
}
static VkBuildAccelerationStructureFlagsKHR d3d12_build_flags_to_vk(
D3D12_RAYTRACING_ACCELERATION_STRUCTURE_BUILD_FLAGS flags)
{
VkBuildAccelerationStructureFlagsKHR vk_flags = 0;
if (flags & D3D12_RAYTRACING_ACCELERATION_STRUCTURE_BUILD_FLAG_ALLOW_COMPACTION)
vk_flags |= VK_BUILD_ACCELERATION_STRUCTURE_ALLOW_COMPACTION_BIT_KHR;
if (flags & D3D12_RAYTRACING_ACCELERATION_STRUCTURE_BUILD_FLAG_ALLOW_UPDATE)
vk_flags |= VK_BUILD_ACCELERATION_STRUCTURE_ALLOW_UPDATE_BIT_KHR;
if (flags & D3D12_RAYTRACING_ACCELERATION_STRUCTURE_BUILD_FLAG_MINIMIZE_MEMORY)
vk_flags |= VK_BUILD_ACCELERATION_STRUCTURE_LOW_MEMORY_BIT_KHR;
if (flags & D3D12_RAYTRACING_ACCELERATION_STRUCTURE_BUILD_FLAG_PREFER_FAST_BUILD)
vk_flags |= VK_BUILD_ACCELERATION_STRUCTURE_PREFER_FAST_BUILD_BIT_KHR;
if (flags & D3D12_RAYTRACING_ACCELERATION_STRUCTURE_BUILD_FLAG_PREFER_FAST_TRACE)
vk_flags |= VK_BUILD_ACCELERATION_STRUCTURE_PREFER_FAST_TRACE_BIT_KHR;
return vk_flags;
}
static VkGeometryFlagsKHR d3d12_geometry_flags_to_vk(D3D12_RAYTRACING_GEOMETRY_FLAGS flags)
{
VkGeometryFlagsKHR vk_flags = 0;
if (flags & D3D12_RAYTRACING_GEOMETRY_FLAG_OPAQUE)
vk_flags |= VK_GEOMETRY_OPAQUE_BIT_KHR;
if (flags & D3D12_RAYTRACING_GEOMETRY_FLAG_NO_DUPLICATE_ANYHIT_INVOCATION)
vk_flags |= VK_GEOMETRY_NO_DUPLICATE_ANY_HIT_INVOCATION_BIT_KHR;
return vk_flags;
}
bool vkd3d_acceleration_structure_convert_inputs(const struct d3d12_device *device,
struct vkd3d_acceleration_structure_build_info *info,
const D3D12_BUILD_RAYTRACING_ACCELERATION_STRUCTURE_INPUTS *desc)
{
VkAccelerationStructureGeometryTrianglesDataKHR *triangles;
VkAccelerationStructureBuildGeometryInfoKHR *build_info;
VkAccelerationStructureGeometryAabbsDataKHR *aabbs;
const D3D12_RAYTRACING_GEOMETRY_DESC *geom_desc;
bool have_triangles, have_aabbs;
unsigned int i;
RT_TRACE("Converting inputs.\n");
RT_TRACE("=====================\n");
build_info = &info->build_info;
memset(build_info, 0, sizeof(*build_info));
build_info->sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_BUILD_GEOMETRY_INFO_KHR;
if (desc->Type == D3D12_RAYTRACING_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL)
{
build_info->type = VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_KHR;
RT_TRACE("Top level build.\n");
}
else
{
build_info->type = VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR;
RT_TRACE("Bottom level build.\n");
}
build_info->flags = d3d12_build_flags_to_vk(desc->Flags);
if (desc->Flags & D3D12_RAYTRACING_ACCELERATION_STRUCTURE_BUILD_FLAG_PERFORM_UPDATE)
{
RT_TRACE("BUILD_FLAG_PERFORM_UPDATE.\n");
build_info->mode = VK_BUILD_ACCELERATION_STRUCTURE_MODE_UPDATE_KHR;
}
else
build_info->mode = VK_BUILD_ACCELERATION_STRUCTURE_MODE_BUILD_KHR;
info->geometries = info->geometries_stack;
info->primitive_counts = info->primitive_counts_stack;
info->build_ranges = info->build_range_stack;
info->build_range_ptrs = info->build_range_ptr_stack;
if (desc->Type == D3D12_RAYTRACING_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL)
{
memset(info->geometries, 0, sizeof(*info->geometries));
info->geometries[0].sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_KHR;
info->geometries[0].geometryType = VK_GEOMETRY_TYPE_INSTANCES_KHR;
info->geometries[0].geometry.instances.sType =
VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_INSTANCES_DATA_KHR;
info->geometries[0].geometry.instances.arrayOfPointers =
desc->DescsLayout == D3D12_ELEMENTS_LAYOUT_ARRAY_OF_POINTERS ? VK_TRUE : VK_FALSE;
info->geometries[0].geometry.instances.data.deviceAddress = desc->InstanceDescs;
info->primitive_counts = info->primitive_counts_stack;
info->primitive_counts[0] = desc->NumDescs;
build_info->geometryCount = 1;
RT_TRACE(" ArrayOfPointers: %u.\n",
desc->DescsLayout == D3D12_ELEMENTS_LAYOUT_ARRAY_OF_POINTERS ? 1 : 0);
RT_TRACE(" NumDescs: %u.\n", info->primitive_counts[0]);
}
else
{
have_triangles = false;
have_aabbs = false;
if (desc->NumDescs <= VKD3D_BUILD_INFO_STACK_COUNT)
{
memset(info->geometries, 0, sizeof(*info->geometries) * desc->NumDescs);
memset(info->primitive_counts, 0, sizeof(*info->primitive_counts) * desc->NumDescs);
}
else
{
info->geometries = vkd3d_calloc(desc->NumDescs, sizeof(*info->geometries));
info->primitive_counts = vkd3d_calloc(desc->NumDescs, sizeof(*info->primitive_counts));
info->build_ranges = vkd3d_malloc(desc->NumDescs * sizeof(*info->build_ranges));
info->build_range_ptrs = vkd3d_malloc(desc->NumDescs * sizeof(*info->build_range_ptrs));
}
build_info->geometryCount = desc->NumDescs;
for (i = 0; i < desc->NumDescs; i++)
{
info->geometries[i].sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_KHR;
RT_TRACE(" Geom %u:\n", i);
if (desc->DescsLayout == D3D12_ELEMENTS_LAYOUT_ARRAY_OF_POINTERS)
{
geom_desc = desc->ppGeometryDescs[i];
RT_TRACE(" ArrayOfPointers\n");
}
else
{
geom_desc = &desc->pGeometryDescs[i];
RT_TRACE(" PointerToArray\n");
}
info->geometries[i].flags = d3d12_geometry_flags_to_vk(geom_desc->Flags);
RT_TRACE(" Flags = #%x\n", geom_desc->Flags);
switch (geom_desc->Type)
{
case D3D12_RAYTRACING_GEOMETRY_TYPE_TRIANGLES:
/* Runtime validates this. */
if (have_aabbs)
{
ERR("Cannot mix and match geometry types in a BLAS.\n");
return false;
}
have_triangles = true;
info->geometries[i].geometryType = VK_GEOMETRY_TYPE_TRIANGLES_KHR;
triangles = &info->geometries[i].geometry.triangles;
triangles->sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_TRIANGLES_DATA_KHR;
triangles->indexData.deviceAddress = geom_desc->Triangles.IndexBuffer;
if (geom_desc->Triangles.IndexBuffer)
{
triangles->indexType =
geom_desc->Triangles.IndexFormat == DXGI_FORMAT_R16_UINT ?
VK_INDEX_TYPE_UINT16 : VK_INDEX_TYPE_UINT32;
info->primitive_counts[i] = geom_desc->Triangles.IndexCount / 3;
RT_TRACE(" Indexed : Index count = %u (%u bits)\n",
geom_desc->Triangles.IndexCount,
triangles->indexType == VK_INDEX_TYPE_UINT16 ? 16 : 32);
RT_TRACE(" Vertex count: %u\n", geom_desc->Triangles.VertexCount);
RT_TRACE(" IBO VA: %"PRIx64".\n", geom_desc->Triangles.IndexBuffer);
}
else
{
info->primitive_counts[i] = geom_desc->Triangles.VertexCount / 3;
triangles->indexType = VK_INDEX_TYPE_NONE_KHR;
RT_TRACE(" Triangle list : Vertex count: %u\n", geom_desc->Triangles.VertexCount);
}
triangles->maxVertex = max(1, geom_desc->Triangles.VertexCount) - 1;
triangles->vertexStride = geom_desc->Triangles.VertexBuffer.StrideInBytes;
triangles->vertexFormat = vkd3d_internal_get_vk_format(device, geom_desc->Triangles.VertexFormat);
triangles->vertexData.deviceAddress = geom_desc->Triangles.VertexBuffer.StartAddress;
triangles->transformData.deviceAddress = geom_desc->Triangles.Transform3x4;
RT_TRACE(" Transform3x4: %s\n", geom_desc->Triangles.Transform3x4 ? "on" : "off");
RT_TRACE(" Vertex format: %s\n", debug_dxgi_format(geom_desc->Triangles.VertexFormat));
RT_TRACE(" VBO VA: %"PRIx64"\n", geom_desc->Triangles.VertexBuffer.StartAddress);
RT_TRACE(" Vertex stride: %"PRIu64" bytes\n", geom_desc->Triangles.VertexBuffer.StrideInBytes);
break;
case D3D12_RAYTRACING_GEOMETRY_TYPE_PROCEDURAL_PRIMITIVE_AABBS:
/* Runtime validates this. */
if (have_triangles)
{
ERR("Cannot mix and match geometry types in a BLAS.\n");
return false;
}
have_aabbs = true;
info->geometries[i].geometryType = VK_GEOMETRY_TYPE_AABBS_KHR;
aabbs = &info->geometries[i].geometry.aabbs;
aabbs->sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_AABBS_DATA_KHR;
aabbs->stride = geom_desc->AABBs.AABBs.StrideInBytes;
aabbs->data.deviceAddress = geom_desc->AABBs.AABBs.StartAddress;
info->primitive_counts[i] = geom_desc->AABBs.AABBCount;
RT_TRACE(" AABB stride: %"PRIu64" bytes\n", geom_desc->AABBs.AABBs.StrideInBytes);
break;
default:
FIXME("Unsupported geometry type %u.\n", geom_desc->Type);
return false;
}
RT_TRACE(" Primitive count %u.\n", info->primitive_counts[i]);
}
}
for (i = 0; i < build_info->geometryCount; i++)
{
info->build_range_ptrs[i] = &info->build_ranges[i];
info->build_ranges[i].primitiveCount = info->primitive_counts[i];
info->build_ranges[i].firstVertex = 0;
info->build_ranges[i].primitiveOffset = 0;
info->build_ranges[i].transformOffset = 0;
}
build_info->pGeometries = info->geometries;
RT_TRACE("=====================\n");
return true;
}
static void vkd3d_acceleration_structure_end_barrier(struct d3d12_command_list *list)
{
/* We resolve the query in TRANSFER, but DXR expects UNORDERED_ACCESS. */
const struct vkd3d_vk_device_procs *vk_procs = &list->device->vk_procs;
VkMemoryBarrier barrier;
barrier.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER;
barrier.pNext = NULL;
barrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
barrier.dstAccessMask = 0;
VK_CALL(vkCmdPipelineBarrier(list->vk_command_buffer,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, 0,
1, &barrier, 0, NULL, 0, NULL));
}
static void vkd3d_acceleration_structure_write_postbuild_info(
struct d3d12_command_list *list,
const D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_DESC *desc,
VkDeviceSize desc_offset,
VkAccelerationStructureKHR vk_acceleration_structure)
{
const struct vkd3d_vk_device_procs *vk_procs = &list->device->vk_procs;
const struct vkd3d_unique_resource *resource;
VkQueryPool vk_query_pool;
VkQueryType vk_query_type;
uint32_t vk_query_index;
VkDeviceSize stride;
uint32_t type_index;
VkBuffer vk_buffer;
uint32_t offset;
resource = vkd3d_va_map_deref(&list->device->memory_allocator.va_map, desc->DestBuffer);
if (!resource)
{
ERR("Invalid resource.\n");
return;
}
vk_buffer = resource->vk_buffer;
offset = desc->DestBuffer - resource->va;
offset += desc_offset;
if (desc->InfoType == D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_COMPACTED_SIZE)
{
vk_query_type = VK_QUERY_TYPE_ACCELERATION_STRUCTURE_COMPACTED_SIZE_KHR;
type_index = VKD3D_QUERY_TYPE_INDEX_RT_COMPACTED_SIZE;
stride = sizeof(uint64_t);
}
else if (desc->InfoType == D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_CURRENT_SIZE &&
list->device->device_info.ray_tracing_maintenance1_features.rayTracingMaintenance1)
{
vk_query_type = VK_QUERY_TYPE_ACCELERATION_STRUCTURE_SIZE_KHR;
type_index = VKD3D_QUERY_TYPE_INDEX_RT_CURRENT_SIZE;
stride = sizeof(uint64_t);
}
else if (desc->InfoType == D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_SERIALIZATION)
{
vk_query_type = VK_QUERY_TYPE_ACCELERATION_STRUCTURE_SERIALIZATION_SIZE_KHR;
type_index = VKD3D_QUERY_TYPE_INDEX_RT_SERIALIZE_SIZE;
stride = sizeof(uint64_t);
}
else
{
FIXME("Unsupported InfoType %u.\n", desc->InfoType);
/* TODO: CURRENT_SIZE is something we cannot query in Vulkan, so
* we'll need to keep around a buffer to handle this.
* For now, just clear to 0. */
VK_CALL(vkCmdFillBuffer(list->vk_command_buffer, vk_buffer, offset,
sizeof(uint64_t), 0));
return;
}
if (!d3d12_command_allocator_allocate_query_from_type_index(list->allocator,
type_index, &vk_query_pool, &vk_query_index))
{
ERR("Failed to allocate query.\n");
return;
}
d3d12_command_list_reset_query(list, vk_query_pool, vk_query_index);
VK_CALL(vkCmdWriteAccelerationStructuresPropertiesKHR(list->vk_command_buffer,
1, &vk_acceleration_structure, vk_query_type, vk_query_pool, vk_query_index));
VK_CALL(vkCmdCopyQueryPoolResults(list->vk_command_buffer,
vk_query_pool, vk_query_index, 1,
vk_buffer, offset, stride,
VK_QUERY_RESULT_64_BIT | VK_QUERY_RESULT_WAIT_BIT));
if (desc->InfoType == D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_SERIALIZATION)
{
if (list->device->device_info.ray_tracing_maintenance1_features.rayTracingMaintenance1)
{
type_index = VKD3D_QUERY_TYPE_INDEX_RT_SERIALIZE_SIZE_BOTTOM_LEVEL_POINTERS;
if (!d3d12_command_allocator_allocate_query_from_type_index(list->allocator,
type_index, &vk_query_pool, &vk_query_index))
{
ERR("Failed to allocate query.\n");
return;
}
d3d12_command_list_reset_query(list, vk_query_pool, vk_query_index);
VK_CALL(vkCmdWriteAccelerationStructuresPropertiesKHR(list->vk_command_buffer,
1, &vk_acceleration_structure, vk_query_type, vk_query_pool, vk_query_index));
VK_CALL(vkCmdCopyQueryPoolResults(list->vk_command_buffer,
vk_query_pool, vk_query_index, 1,
vk_buffer, offset + sizeof(uint64_t), stride,
VK_QUERY_RESULT_64_BIT | VK_QUERY_RESULT_WAIT_BIT));
}
else
{
FIXME("NumBottomLevelPointers will always return 0.\n");
VK_CALL(vkCmdFillBuffer(list->vk_command_buffer, vk_buffer, offset + sizeof(uint64_t),
sizeof(uint64_t), 0));
}
}
}
void vkd3d_acceleration_structure_emit_postbuild_info(
struct d3d12_command_list *list,
const D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_DESC *desc,
uint32_t count,
const D3D12_GPU_VIRTUAL_ADDRESS *addresses)
{
const struct vkd3d_vk_device_procs *vk_procs = &list->device->vk_procs;
VkAccelerationStructureKHR vk_acceleration_structure;
VkMemoryBarrier barrier;
VkDeviceSize stride;
uint32_t i;
barrier.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER;
barrier.pNext = NULL;
barrier.srcAccessMask = 0;
barrier.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
/* We resolve the query in TRANSFER, but DXR expects UNORDERED_ACCESS. */
VK_CALL(vkCmdPipelineBarrier(list->vk_command_buffer,
VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT, 0,
1, &barrier, 0, NULL, 0, NULL));
stride = desc->InfoType == D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_SERIALIZATION ?
2 * sizeof(uint64_t) : sizeof(uint64_t);
for (i = 0; i < count; i++)
{
vk_acceleration_structure = vkd3d_va_map_place_acceleration_structure(
&list->device->memory_allocator.va_map, list->device, addresses[i]);
if (vk_acceleration_structure)
vkd3d_acceleration_structure_write_postbuild_info(list, desc, i * stride, vk_acceleration_structure);
else
ERR("Failed to query acceleration structure for VA 0x%"PRIx64".\n", addresses[i]);
}
vkd3d_acceleration_structure_end_barrier(list);
}
void vkd3d_acceleration_structure_emit_immediate_postbuild_info(
struct d3d12_command_list *list, uint32_t count,
const D3D12_RAYTRACING_ACCELERATION_STRUCTURE_POSTBUILD_INFO_DESC *desc,
VkAccelerationStructureKHR vk_acceleration_structure)
{
/* In D3D12 we are supposed to be able to emit without an explicit barrier,
* but we need to emit them for Vulkan. */
const struct vkd3d_vk_device_procs *vk_procs = &list->device->vk_procs;
VkMemoryBarrier barrier;
uint32_t i;
barrier.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER;
barrier.pNext = NULL;
barrier.srcAccessMask = VK_ACCESS_ACCELERATION_STRUCTURE_WRITE_BIT_KHR;
/* The query accesses STRUCTURE_READ_BIT in BUILD_BIT stage. */
barrier.dstAccessMask = VK_ACCESS_ACCELERATION_STRUCTURE_READ_BIT_KHR | VK_ACCESS_TRANSFER_WRITE_BIT;
/* Writing to the result buffer is supposed to happen in UNORDERED_ACCESS on DXR for
* some bizarre reason, so we have to satisfy a transfer barrier.
* Have to basically do a full stall to make this work ... */
VK_CALL(vkCmdPipelineBarrier(list->vk_command_buffer,
VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR | VK_PIPELINE_STAGE_TRANSFER_BIT, 0,
1, &barrier, 0, NULL, 0, NULL));
/* Could optimize a bit by batching more aggressively, but no idea if it's going to help in practice. */
for (i = 0; i < count; i++)
vkd3d_acceleration_structure_write_postbuild_info(list, &desc[i], 0, vk_acceleration_structure);
vkd3d_acceleration_structure_end_barrier(list);
}
static bool convert_copy_mode(
D3D12_RAYTRACING_ACCELERATION_STRUCTURE_COPY_MODE mode,
VkCopyAccelerationStructureModeKHR *vk_mode)
{
switch (mode)
{
case D3D12_RAYTRACING_ACCELERATION_STRUCTURE_COPY_MODE_CLONE:
*vk_mode = VK_COPY_ACCELERATION_STRUCTURE_MODE_CLONE_KHR;
return true;
case D3D12_RAYTRACING_ACCELERATION_STRUCTURE_COPY_MODE_COMPACT:
*vk_mode = VK_COPY_ACCELERATION_STRUCTURE_MODE_COMPACT_KHR;
return true;
default:
FIXME("Unsupported RTAS copy mode #%x.\n", mode);
return false;
}
}
void vkd3d_acceleration_structure_copy(
struct d3d12_command_list *list,
D3D12_GPU_VIRTUAL_ADDRESS dst, D3D12_GPU_VIRTUAL_ADDRESS src,
D3D12_RAYTRACING_ACCELERATION_STRUCTURE_COPY_MODE mode)
{
const struct vkd3d_vk_device_procs *vk_procs = &list->device->vk_procs;
VkAccelerationStructureKHR dst_as, src_as;
VkCopyAccelerationStructureInfoKHR info;
dst_as = vkd3d_va_map_place_acceleration_structure(&list->device->memory_allocator.va_map, list->device, dst);
if (dst_as == VK_NULL_HANDLE)
{
ERR("Invalid dst address #%"PRIx64" for RTAS copy.\n", dst);
return;
}
src_as = vkd3d_va_map_place_acceleration_structure(&list->device->memory_allocator.va_map, list->device, src);
if (src_as == VK_NULL_HANDLE)
{
ERR("Invalid src address #%"PRIx64" for RTAS copy.\n", src);
return;
}
info.sType = VK_STRUCTURE_TYPE_COPY_ACCELERATION_STRUCTURE_INFO_KHR;
info.pNext = NULL;
info.dst = dst_as;
info.src = src_as;
if (convert_copy_mode(mode, &info.mode))
VK_CALL(vkCmdCopyAccelerationStructureKHR(list->vk_command_buffer, &info));
}
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