Google Git
Sign in
fuchsia / third_party / vulkan-cts / 31c5eed5b15ac535a166339474ef8b9cbd6a6a32 / . / external / vulkancts / framework / vulkan / vkRayTracingUtil.cpp
blob: fb90f95369dc46b94aa7ffbec457e75bde3165a3 [file] [log] [blame]
/*-------------------------------------------------------------------------
* Vulkan CTS Framework
* --------------------
*
* Copyright (c) 2020 The Khronos Group Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*//*!
* \file
* \brief Utilities for creating commonly used Vulkan objects
*//*--------------------------------------------------------------------*/
#include "vkRayTracingUtil.hpp"
#include "vkRefUtil.hpp"
#include "vkQueryUtil.hpp"
#include "vkObjUtil.hpp"
#include "vkBarrierUtil.hpp"
#include <vector>
#include <string>
#include <thread>
namespace vk
{
std::string getCommonRayGenerationShader (void)
{
return
"#version 460 core\n"
"#extension GL_EXT_nonuniform_qualifier : enable\n"
"#extension GL_EXT_ray_tracing : require\n"
"layout(location = 0) rayPayloadEXT vec3 hitValue;\n"
"layout(set = 0, binding = 1) uniform accelerationStructureEXT topLevelAS;\n"
"\n"
"void main()\n"
"{\n"
" uint rayFlags = 0;\n"
" uint cullMask = 0xFF;\n"
" float tmin = 0.0;\n"
" float tmax = 9.0;\n"
" vec3 origin = vec3((float(gl_LaunchIDEXT.x) + 0.5f) / float(gl_LaunchSizeEXT.x), (float(gl_LaunchIDEXT.y) + 0.5f) / float(gl_LaunchSizeEXT.y), 0.0);\n"
" vec3 direct = vec3(0.0, 0.0, -1.0);\n"
" traceRayEXT(topLevelAS, rayFlags, cullMask, 0, 0, 0, origin, tmin, direct, tmax, 0);\n"
"}\n";
}
const char* getRayTracingExtensionUsed (void)
{
return "VK_KHR_ray_tracing";
}
RaytracedGeometryBase::RaytracedGeometryBase (VkGeometryTypeKHR geometryType, VkFormat vertexFormat, VkIndexType indexType)
: m_geometryType (geometryType)
, m_vertexFormat (vertexFormat)
, m_indexType (indexType)
, m_geometryFlags ((VkGeometryFlagsKHR)0u)
{
}
RaytracedGeometryBase::~RaytracedGeometryBase ()
{
}
de::SharedPtr<RaytracedGeometryBase> makeRaytracedGeometry (VkGeometryTypeKHR geometryType, VkFormat vertexFormat, VkIndexType indexType)
{
switch (vertexFormat)
{
case VK_FORMAT_R32G32_SFLOAT:
switch (indexType)
{
case VK_INDEX_TYPE_UINT16: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<tcu::Vec2, deUint16>(geometryType));
case VK_INDEX_TYPE_UINT32: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<tcu::Vec2, deUint32>(geometryType));
case VK_INDEX_TYPE_NONE_KHR: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<tcu::Vec2, EmptyIndex>(geometryType));
default: TCU_THROW(InternalError, "Wrong index type");
};
case VK_FORMAT_R32G32B32_SFLOAT:
switch (indexType)
{
case VK_INDEX_TYPE_UINT16: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<tcu::Vec3, deUint16>(geometryType));
case VK_INDEX_TYPE_UINT32: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<tcu::Vec3, deUint32>(geometryType));
case VK_INDEX_TYPE_NONE_KHR: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<tcu::Vec3, EmptyIndex>(geometryType));
default: TCU_THROW(InternalError, "Wrong index type");
};
case VK_FORMAT_R16G16_SFLOAT:
switch (indexType)
{
case VK_INDEX_TYPE_UINT16: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<Vec2_16, deUint16>(geometryType));
case VK_INDEX_TYPE_UINT32: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<Vec2_16, deUint32>(geometryType));
case VK_INDEX_TYPE_NONE_KHR: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<Vec2_16, EmptyIndex>(geometryType));
default: TCU_THROW(InternalError, "Wrong index type");
};
case VK_FORMAT_R16G16B16A16_SFLOAT:
switch (indexType)
{
case VK_INDEX_TYPE_UINT16: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<Vec4_16, deUint16>(geometryType));
case VK_INDEX_TYPE_UINT32: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<Vec4_16, deUint32>(geometryType));
case VK_INDEX_TYPE_NONE_KHR: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<Vec4_16, EmptyIndex>(geometryType));
default: TCU_THROW(InternalError, "Wrong index type");
};
case VK_FORMAT_R16G16_SNORM:
switch (indexType)
{
case VK_INDEX_TYPE_UINT16: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<Vec2_16SNorm, deUint16>(geometryType));
case VK_INDEX_TYPE_UINT32: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<Vec2_16SNorm, deUint32>(geometryType));
case VK_INDEX_TYPE_NONE_KHR: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<Vec2_16SNorm, EmptyIndex>(geometryType));
default: TCU_THROW(InternalError, "Wrong index type");
};
case VK_FORMAT_R16G16B16A16_SNORM:
switch (indexType)
{
case VK_INDEX_TYPE_UINT16: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<Vec4_16SNorm, deUint16>(geometryType));
case VK_INDEX_TYPE_UINT32: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<Vec4_16SNorm, deUint32>(geometryType));
case VK_INDEX_TYPE_NONE_KHR: return de::SharedPtr<RaytracedGeometryBase>(new RaytracedGeometry<Vec4_16SNorm, EmptyIndex>(geometryType));
default: TCU_THROW(InternalError, "Wrong index type");
};
default:
TCU_THROW(InternalError, "Wrong vertex format");
};
}
static inline VkDeviceOrHostAddressConstKHR makeDeviceOrHostAddressConstKHR (const void* hostAddress)
{
// VS2015: Cannot create as a const due to cannot assign hostAddress due to it is a second field. Only assigning of first field supported.
VkDeviceOrHostAddressConstKHR result;
deMemset(&result, 0, sizeof(result));
result.hostAddress = hostAddress;
return result;
}
static inline VkDeviceOrHostAddressKHR makeDeviceOrHostAddressKHR (void* hostAddress)
{
// VS2015: Cannot create as a const due to cannot assign hostAddress due to it is a second field. Only assigning of first field supported.
VkDeviceOrHostAddressKHR result;
deMemset(&result, 0, sizeof(result));
result.hostAddress = hostAddress;
return result;
}
static inline VkDeviceOrHostAddressConstKHR makeDeviceOrHostAddressConstKHR (const DeviceInterface& vk,
const VkDevice device,
VkBuffer buffer,
VkDeviceSize offset)
{
// VS2015: Cannot create as a const due to cannot assign hostAddress due to it is a second field. Only assigning of first field supported.
VkDeviceOrHostAddressConstKHR result;
deMemset(&result, 0, sizeof(result));
VkBufferDeviceAddressInfo bufferDeviceAddressInfo =
{
VK_STRUCTURE_TYPE_BUFFER_DEVICE_ADDRESS_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
buffer, // VkBuffer buffer
};
result.deviceAddress = vk.getBufferDeviceAddress(device, &bufferDeviceAddressInfo) + offset;
return result;
}
static inline VkDeviceOrHostAddressKHR makeDeviceOrHostAddressKHR (const DeviceInterface& vk,
const VkDevice device,
VkBuffer buffer,
VkDeviceSize offset)
{
// VS2015: Cannot create as a const due to cannot assign hostAddress due to it is a second field. Only assigning of first field supported.
VkDeviceOrHostAddressKHR result;
deMemset(&result, 0, sizeof(result));
VkBufferDeviceAddressInfo bufferDeviceAddressInfo =
{
VK_STRUCTURE_TYPE_BUFFER_DEVICE_ADDRESS_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
buffer, // VkBuffer buffer
};
result.deviceAddress = vk.getBufferDeviceAddress(device, &bufferDeviceAddressInfo) + offset;
return result;
}
static inline VkAccelerationStructureGeometryDataKHR makeVkAccelerationStructureGeometryDataKHR (const VkAccelerationStructureGeometryTrianglesDataKHR& triangles)
{
VkAccelerationStructureGeometryDataKHR result;
deMemset(&result, 0, sizeof(result));
result.triangles = triangles;
return result;
}
static inline VkAccelerationStructureGeometryDataKHR makeVkAccelerationStructureGeometryDataKHR (const VkAccelerationStructureGeometryAabbsDataKHR& aabbs)
{
VkAccelerationStructureGeometryDataKHR result;
deMemset(&result, 0, sizeof(result));
result.aabbs = aabbs;
return result;
}
static inline VkAccelerationStructureGeometryDataKHR makeVkAccelerationStructureInstancesDataKHR (const VkAccelerationStructureGeometryInstancesDataKHR& instances)
{
VkAccelerationStructureGeometryDataKHR result;
deMemset(&result, 0, sizeof(result));
result.instances = instances;
return result;
}
static inline VkAccelerationStructureInstanceKHR makeVkAccelerationStructureInstanceKHR (const VkTransformMatrixKHR& transform,
deUint32 instanceCustomIndex,
deUint32 mask,
deUint32 instanceShaderBindingTableRecordOffset,
VkGeometryInstanceFlagsKHR flags,
deUint64 accelerationStructureReference)
{
VkAccelerationStructureInstanceKHR instance = { transform, 0, 0, 0, 0, accelerationStructureReference };
instance.instanceCustomIndex = instanceCustomIndex & 0xFFFFFF;
instance.mask = mask & 0xFF;
instance.instanceShaderBindingTableRecordOffset = instanceShaderBindingTableRecordOffset & 0xFFFFFF;
instance.flags = flags & 0xFF;
return instance;
}
static inline VkMemoryRequirements getAccelerationStructureMemoryRequirements (const DeviceInterface& vk,
const VkDevice device,
const VkAccelerationStructureKHR accelerationStructure,
const VkAccelerationStructureMemoryRequirementsTypeKHR memoryRequirementsType,
const VkAccelerationStructureBuildTypeKHR buildType = VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
const VkAccelerationStructureMemoryRequirementsInfoKHR accelerationStructureMemoryRequirementsInfoKHR =
{
VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_MEMORY_REQUIREMENTS_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
memoryRequirementsType, // VkAccelerationStructureMemoryRequirementsTypeKHR type;
buildType, // VkAccelerationStructureBuildTypeKHR buildType;
accelerationStructure // VkAccelerationStructureKHR accelerationStructure;
};
VkMemoryRequirements2 memoryRequirements2 =
{
VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2, // VkStructureType sType;
DE_NULL, // void* pNext;
{0, 0, 0} // VkMemoryRequirements memoryRequirements;
};
vk.getAccelerationStructureMemoryRequirementsKHR(device, &accelerationStructureMemoryRequirementsInfoKHR, &memoryRequirements2);
return memoryRequirements2.memoryRequirements;
}
VkResult getRayTracingShaderGroupHandlesKHR (const DeviceInterface& vk,
const VkDevice device,
const VkPipeline pipeline,
const deUint32 firstGroup,
const deUint32 groupCount,
const deUintptr dataSize,
void* pData)
{
return vk.getRayTracingShaderGroupHandlesKHR(device, pipeline, firstGroup, groupCount, dataSize, pData);
}
VkResult getRayTracingShaderGroupHandles (const DeviceInterface& vk,
const VkDevice device,
const VkPipeline pipeline,
const deUint32 firstGroup,
const deUint32 groupCount,
const deUintptr dataSize,
void* pData)
{
return getRayTracingShaderGroupHandlesKHR(vk, device, pipeline, firstGroup, groupCount, dataSize, pData);
}
VkResult finishDeferredOperation (const DeviceInterface& vk,
VkDevice device,
VkDeferredOperationKHR deferredOperation)
{
VkResult result = vk.deferredOperationJoinKHR(device, deferredOperation);
while (result == VK_THREAD_IDLE_KHR)
{
std::this_thread::yield();
result = vk.deferredOperationJoinKHR(device, deferredOperation);
}
switch( result )
{
case VK_SUCCESS:
{
// Deferred operation has finished. Query its result
result = vk.getDeferredOperationResultKHR(device, deferredOperation);
break;
}
case VK_THREAD_DONE_KHR:
{
// Deferred operation is being wrapped up by another thread
// wait for that thread to finish
do
{
std::this_thread::yield();
result = vk.getDeferredOperationResultKHR(device, deferredOperation);
} while (result == VK_NOT_READY);
break;
}
default:
{
DE_ASSERT(false);
break;
}
}
return result;
}
SerialStorage::SerialStorage (const DeviceInterface& vk,
const VkDevice device,
Allocator& allocator,
const VkAccelerationStructureBuildTypeKHR buildType,
const VkDeviceSize storageSize)
: m_buildType (buildType)
{
const VkBufferCreateInfo bufferCreateInfo = makeBufferCreateInfo(storageSize, VK_BUFFER_USAGE_RAY_TRACING_BIT_KHR | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT);
m_buffer = de::MovePtr<BufferWithMemory>(new BufferWithMemory(vk, device, allocator, bufferCreateInfo, MemoryRequirement::HostVisible | MemoryRequirement::Coherent | MemoryRequirement::DeviceAddress));
}
VkDeviceOrHostAddressKHR SerialStorage::getAddress (const DeviceInterface& vk,
const VkDevice device)
{
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
return makeDeviceOrHostAddressKHR(vk, device, m_buffer->get(), 0);
else
return makeDeviceOrHostAddressKHR(m_buffer->getAllocation().getHostPtr());
}
VkDeviceOrHostAddressConstKHR SerialStorage::getAddressConst (const DeviceInterface& vk,
const VkDevice device)
{
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
return makeDeviceOrHostAddressConstKHR(vk, device, m_buffer->get(), 0);
else
return makeDeviceOrHostAddressConstKHR(m_buffer->getAllocation().getHostPtr());
}
BottomLevelAccelerationStructure::~BottomLevelAccelerationStructure ()
{
}
BottomLevelAccelerationStructure::BottomLevelAccelerationStructure ()
: m_geometriesData ()
{
}
void BottomLevelAccelerationStructure::setGeometryData (const std::vector<tcu::Vec3>& geometryData,
const bool triangles,
const VkGeometryFlagsKHR geometryFlags)
{
if (triangles)
DE_ASSERT((geometryData.size() % 3) == 0);
else
DE_ASSERT((geometryData.size() % 2) == 0);
setGeometryCount(1u);
addGeometry(geometryData, triangles, geometryFlags);
}
void BottomLevelAccelerationStructure::setDefaultGeometryData (const VkShaderStageFlagBits testStage)
{
bool trianglesData = false;
float z = 0.0f;
std::vector<tcu::Vec3> geometryData;
switch (testStage)
{
case VK_SHADER_STAGE_RAYGEN_BIT_KHR: z = -1.0f; trianglesData = true; break;
case VK_SHADER_STAGE_ANY_HIT_BIT_KHR: z = -1.0f; trianglesData = true; break;
case VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR: z = -1.0f; trianglesData = true; break;
case VK_SHADER_STAGE_MISS_BIT_KHR: z = -9.9f; trianglesData = true; break;
case VK_SHADER_STAGE_INTERSECTION_BIT_KHR: z = -1.0f; trianglesData = false; break;
case VK_SHADER_STAGE_CALLABLE_BIT_KHR: z = -1.0f; trianglesData = true; break;
default: TCU_THROW(InternalError, "Unacceptable stage");
}
if (trianglesData)
{
geometryData.reserve(6);
geometryData.push_back(tcu::Vec3(-1.0f, -1.0f, z));
geometryData.push_back(tcu::Vec3(-1.0f, +1.0f, z));
geometryData.push_back(tcu::Vec3(+1.0f, -1.0f, z));
geometryData.push_back(tcu::Vec3(-1.0f, +1.0f, z));
geometryData.push_back(tcu::Vec3(+1.0f, -1.0f, z));
geometryData.push_back(tcu::Vec3(+1.0f, +1.0f, z));
}
else
{
geometryData.reserve(2);
geometryData.push_back(tcu::Vec3(-1.0f, -1.0f, z));
geometryData.push_back(tcu::Vec3(+1.0f, +1.0f, z));
}
setGeometryCount(1u);
addGeometry(geometryData, trianglesData);
}
void BottomLevelAccelerationStructure::setGeometryCount (const size_t geometryCount)
{
m_geometriesData.clear();
m_geometriesData.reserve(geometryCount);
}
void BottomLevelAccelerationStructure::addGeometry (de::SharedPtr<RaytracedGeometryBase>& raytracedGeometry)
{
m_geometriesData.push_back(raytracedGeometry);
}
void BottomLevelAccelerationStructure::addGeometry (const std::vector<tcu::Vec3>& geometryData,
const bool triangles,
const VkGeometryFlagsKHR geometryFlags)
{
DE_ASSERT(geometryData.size() > 0);
DE_ASSERT((triangles && geometryData.size() % 3 == 0) || (!triangles && geometryData.size() % 2 == 0));
if (!triangles)
for (size_t posNdx = 0; posNdx < geometryData.size() / 2; ++posNdx)
{
DE_ASSERT(geometryData[2 * posNdx].x() <= geometryData[2 * posNdx + 1].x());
DE_ASSERT(geometryData[2 * posNdx].y() <= geometryData[2 * posNdx + 1].y());
DE_ASSERT(geometryData[2 * posNdx].z() <= geometryData[2 * posNdx + 1].z());
}
de::SharedPtr<RaytracedGeometryBase> geometry = makeRaytracedGeometry(triangles ? VK_GEOMETRY_TYPE_TRIANGLES_KHR : VK_GEOMETRY_TYPE_AABBS_KHR, VK_FORMAT_R32G32B32_SFLOAT, VK_INDEX_TYPE_NONE_KHR);
for (auto it = begin(geometryData), eit = end(geometryData); it != eit; ++it)
geometry->addVertex(*it);
geometry->setGeometryFlags(geometryFlags);
addGeometry(geometry);
}
BufferWithMemory* createVertexBuffer (const DeviceInterface& vk,
const VkDevice device,
Allocator& allocator,
const std::vector<de::SharedPtr<RaytracedGeometryBase>>& geometriesData)
{
DE_ASSERT(geometriesData.size() != 0);
VkDeviceSize bufferSizeBytes = 0;
for (size_t geometryNdx = 0; geometryNdx < geometriesData.size(); ++geometryNdx)
bufferSizeBytes += deAlignSize(geometriesData[geometryNdx]->getVertexByteSize(),8);
const VkBufferCreateInfo bufferCreateInfo = makeBufferCreateInfo(bufferSizeBytes, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT);
return new BufferWithMemory(vk, device, allocator, bufferCreateInfo, MemoryRequirement::HostVisible | MemoryRequirement::Coherent | MemoryRequirement::DeviceAddress);
}
void updateVertexBuffer (const DeviceInterface& vk,
const VkDevice device,
const std::vector<de::SharedPtr<RaytracedGeometryBase>>& geometriesData,
BufferWithMemory* vertexBuffer)
{
const Allocation& geometryAlloc = vertexBuffer->getAllocation();
deUint8* bufferStart = static_cast<deUint8*>(geometryAlloc.getHostPtr());
VkDeviceSize bufferOffset = 0;
for (size_t geometryNdx = 0; geometryNdx < geometriesData.size(); ++geometryNdx)
{
const void* geometryPtr = geometriesData[geometryNdx]->getVertexPointer();
const size_t geometryPtrSize = geometriesData[geometryNdx]->getVertexByteSize();
deMemcpy(&bufferStart[bufferOffset], geometryPtr, geometryPtrSize);
bufferOffset += deAlignSize(geometryPtrSize,8);
}
flushMappedMemoryRange(vk, device, geometryAlloc.getMemory(), geometryAlloc.getOffset(), VK_WHOLE_SIZE);
}
BufferWithMemory* createIndexBuffer (const DeviceInterface& vk,
const VkDevice device,
Allocator& allocator,
const std::vector<de::SharedPtr<RaytracedGeometryBase>>& geometriesData)
{
DE_ASSERT(!geometriesData.empty());
VkDeviceSize bufferSizeBytes = 0;
for (size_t geometryNdx = 0; geometryNdx < geometriesData.size(); ++geometryNdx)
if(geometriesData[geometryNdx]->getIndexType() != VK_INDEX_TYPE_NONE_KHR)
bufferSizeBytes += deAlignSize(geometriesData[geometryNdx]->getIndexByteSize(),8);
if (bufferSizeBytes == 0)
return DE_NULL;
const VkBufferCreateInfo bufferCreateInfo = makeBufferCreateInfo(bufferSizeBytes, VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT);
return new BufferWithMemory(vk, device, allocator, bufferCreateInfo, MemoryRequirement::HostVisible | MemoryRequirement::Coherent | MemoryRequirement::DeviceAddress);
}
void updateIndexBuffer (const DeviceInterface& vk,
const VkDevice device,
const std::vector<de::SharedPtr<RaytracedGeometryBase>>& geometriesData,
BufferWithMemory* indexBuffer)
{
const Allocation& indexAlloc = indexBuffer->getAllocation();
deUint8* bufferStart = static_cast<deUint8*>(indexAlloc.getHostPtr());
VkDeviceSize bufferOffset = 0;
for (size_t geometryNdx = 0; geometryNdx < geometriesData.size(); ++geometryNdx)
{
if (geometriesData[geometryNdx]->getIndexType() != VK_INDEX_TYPE_NONE_KHR)
{
const void* indexPtr = geometriesData[geometryNdx]->getIndexPointer();
const size_t indexPtrSize = geometriesData[geometryNdx]->getIndexByteSize();
deMemcpy(&bufferStart[bufferOffset], indexPtr, indexPtrSize);
bufferOffset += deAlignSize(indexPtrSize, 8);
}
}
flushMappedMemoryRange(vk, device, indexAlloc.getMemory(), indexAlloc.getOffset(), VK_WHOLE_SIZE);
}
class BottomLevelAccelerationStructureKHR : public BottomLevelAccelerationStructure
{
public:
static deUint32 getRequiredAllocationCount (void);
BottomLevelAccelerationStructureKHR ();
BottomLevelAccelerationStructureKHR (const BottomLevelAccelerationStructureKHR& other) = delete;
virtual ~BottomLevelAccelerationStructureKHR ();
void setBuildType (const VkAccelerationStructureBuildTypeKHR buildType) override;
void setBuildFlags (const VkBuildAccelerationStructureFlagsKHR flags) override;
void setDeferredOperation (const bool deferredOperation) override;
void setUseArrayOfPointers (const bool useArrayOfPointers) override;
void setIndirectBuildParameters (const VkBuffer indirectBuffer,
const VkDeviceSize indirectBufferOffset,
const deUint32 indirectBufferStride) override;
VkBuildAccelerationStructureFlagsKHR getBuildFlags () const override;
void create (const DeviceInterface& vk,
const VkDevice device,
Allocator& allocator,
VkDeviceAddress deviceAddress,
VkDeviceSize compactCopySize) override;
void build (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer) override;
void copyFrom (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
BottomLevelAccelerationStructure* accelerationStructure,
VkDeviceSize compactCopySize) override;
void serialize (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
SerialStorage* storage) override;
void deserialize (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
SerialStorage* storage) override;
const VkAccelerationStructureKHR* getPtr (void) const override;
protected:
VkAccelerationStructureBuildTypeKHR m_buildType;
VkBuildAccelerationStructureFlagsKHR m_buildFlags;
bool m_deferredOperation;
bool m_useArrayOfPointers;
de::MovePtr<BufferWithMemory> m_vertexBuffer;
de::MovePtr<BufferWithMemory> m_indexBuffer;
de::MovePtr<Allocation> m_accelerationStructureAlloc;
de::MovePtr<BufferWithMemory> m_scratchBuffer;
Move<VkAccelerationStructureKHR> m_accelerationStructureKHR;
VkBuffer m_indirectBuffer;
VkDeviceSize m_indirectBufferOffset;
deUint32 m_indirectBufferStride;
};
deUint32 BottomLevelAccelerationStructureKHR::getRequiredAllocationCount (void)
{
/*
de::MovePtr<BufferWithMemory> m_geometryBuffer; // but only when m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR
de::MovePtr<Allocation> m_accelerationStructureAlloc;
de::MovePtr<BufferWithMemory> m_scratchBuffer;
*/
return 3u;
}
BottomLevelAccelerationStructureKHR::~BottomLevelAccelerationStructureKHR ()
{
}
BottomLevelAccelerationStructureKHR::BottomLevelAccelerationStructureKHR ()
: BottomLevelAccelerationStructure ()
, m_buildType (VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
, m_buildFlags (0u)
, m_deferredOperation (false)
, m_useArrayOfPointers (false)
, m_vertexBuffer ()
, m_indexBuffer ()
, m_accelerationStructureAlloc ()
, m_scratchBuffer ()
, m_accelerationStructureKHR ()
, m_indirectBuffer (DE_NULL)
, m_indirectBufferOffset (0)
, m_indirectBufferStride (0)
{
}
void BottomLevelAccelerationStructureKHR::setBuildType (const VkAccelerationStructureBuildTypeKHR buildType)
{
m_buildType = buildType;
}
void BottomLevelAccelerationStructureKHR::setBuildFlags (const VkBuildAccelerationStructureFlagsKHR flags)
{
m_buildFlags = flags;
}
void BottomLevelAccelerationStructureKHR::setDeferredOperation (const bool deferredOperation)
{
m_deferredOperation = deferredOperation;
}
void BottomLevelAccelerationStructureKHR::setUseArrayOfPointers (const bool useArrayOfPointers)
{
m_useArrayOfPointers = useArrayOfPointers;
}
void BottomLevelAccelerationStructureKHR::setIndirectBuildParameters (const VkBuffer indirectBuffer,
const VkDeviceSize indirectBufferOffset,
const deUint32 indirectBufferStride)
{
m_indirectBuffer = indirectBuffer;
m_indirectBufferOffset = indirectBufferOffset;
m_indirectBufferStride = indirectBufferStride;
}
VkBuildAccelerationStructureFlagsKHR BottomLevelAccelerationStructureKHR::getBuildFlags () const
{
return m_buildFlags;
}
void BottomLevelAccelerationStructureKHR::create (const DeviceInterface& vk,
const VkDevice device,
Allocator& allocator,
VkDeviceAddress deviceAddress,
VkDeviceSize compactCopySize)
{
DE_ASSERT(!m_geometriesData.empty() != !(compactCopySize==0)); // logical xor
{
std::vector<VkAccelerationStructureCreateGeometryTypeInfoKHR> accelerationStructureCreateGeometryTypeInfosKHR(m_geometriesData.size());
for (size_t geometryNdx = 0; geometryNdx < m_geometriesData.size(); ++geometryNdx)
{
de::SharedPtr<RaytracedGeometryBase>& geometryData = m_geometriesData[geometryNdx];
const VkAccelerationStructureCreateGeometryTypeInfoKHR accelerationStructureCreateGeometryTypeInfoKHR =
{
VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_CREATE_GEOMETRY_TYPE_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
geometryData->getGeometryType(), // VkGeometryTypeKHR geometryType;
geometryData->getPrimitiveCount(), // deUint32 maxPrimitiveCount;
geometryData->getIndexType(), // VkIndexType indexType;
geometryData->getVertexCount(), // deUint32 maxVertexCount;
geometryData->getVertexFormat(), // VkFormat vertexFormat;
DE_FALSE // VkBool32 allowsTransforms;
};
accelerationStructureCreateGeometryTypeInfosKHR[geometryNdx] = accelerationStructureCreateGeometryTypeInfoKHR;
}
const VkAccelerationStructureCreateInfoKHR accelerationStructureCreateInfoKHR =
{
VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_CREATE_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
compactCopySize, // VkDeviceSize compactedSize;
VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR, // VkAccelerationStructureTypeKHR type;
m_buildFlags, // VkBuildAccelerationStructureFlagsKHR flags;
static_cast<deUint32>(accelerationStructureCreateGeometryTypeInfosKHR.size()), // deUint32 maxGeometryCount;
dataOrNullPtr(accelerationStructureCreateGeometryTypeInfosKHR), // const VkAccelerationStructureCreateGeometryTypeInfoKHR* pGeometryInfos;
deviceAddress // VkDeviceAddress deviceAddress;
};
m_accelerationStructureKHR = createAccelerationStructureKHR(vk, device, &accelerationStructureCreateInfoKHR, DE_NULL);
}
{
const VkMemoryRequirements memoryRequirements = getAccelerationStructureMemoryRequirements(vk, device, m_accelerationStructureKHR.get(), VK_ACCELERATION_STRUCTURE_MEMORY_REQUIREMENTS_TYPE_OBJECT_KHR, m_buildType);
m_accelerationStructureAlloc = allocator.allocate(memoryRequirements, vk::MemoryRequirement::Local);
}
{
const VkBindAccelerationStructureMemoryInfoKHR bindAccelerationStructureMemoryInfoKHR =
{
VK_STRUCTURE_TYPE_BIND_ACCELERATION_STRUCTURE_MEMORY_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
m_accelerationStructureKHR.get(), // VkAccelerationStructureKHR accelerationStructure;
m_accelerationStructureAlloc->getMemory(), // VkDeviceMemory memory;
m_accelerationStructureAlloc->getOffset(), // VkDeviceSize memoryOffset;
0, // deUint32 deviceIndexCount;
DE_NULL, // const deUint32* pDeviceIndices;
};
VK_CHECK(vk.bindAccelerationStructureMemoryKHR(device, 1, &bindAccelerationStructureMemoryInfoKHR));
}
{
const VkMemoryRequirements memoryRequirements = getAccelerationStructureMemoryRequirements(vk, device, m_accelerationStructureKHR.get(), VK_ACCELERATION_STRUCTURE_MEMORY_REQUIREMENTS_TYPE_BUILD_SCRATCH_KHR, m_buildType);
if (memoryRequirements.size > 0u)
{
const VkBufferCreateInfo bufferCreateInfo = makeBufferCreateInfo(memoryRequirements.size, VK_BUFFER_USAGE_RAY_TRACING_BIT_KHR | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT);
m_scratchBuffer = de::MovePtr<BufferWithMemory>(new BufferWithMemory(vk, device, allocator, bufferCreateInfo, MemoryRequirement::HostVisible | MemoryRequirement::Coherent | MemoryRequirement::DeviceAddress));
}
}
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR && !m_geometriesData.empty())
{
m_vertexBuffer = de::MovePtr<BufferWithMemory>(createVertexBuffer(vk, device, allocator, m_geometriesData));
m_indexBuffer = de::MovePtr<BufferWithMemory>(createIndexBuffer(vk, device, allocator, m_geometriesData));
}
}
void BottomLevelAccelerationStructureKHR::build (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer)
{
DE_ASSERT(!m_geometriesData.empty());
DE_ASSERT(m_accelerationStructureKHR.get() != DE_NULL);
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
updateVertexBuffer(vk, device, m_geometriesData, m_vertexBuffer.get());
if(m_indexBuffer.get() != DE_NULL)
updateIndexBuffer(vk, device, m_geometriesData, m_indexBuffer.get());
}
{
std::vector<VkAccelerationStructureGeometryKHR> accelerationStructureGeometriesKHR (m_geometriesData.size());
std::vector<VkAccelerationStructureGeometryKHR*> accelerationStructureGeometriesKHRPointers (m_geometriesData.size());
std::vector<VkAccelerationStructureBuildOffsetInfoKHR> accelerationStructureBuildOffsetInfoKHR (m_geometriesData.size());
VkDeviceSize vertexBufferOffset = 0, indexBufferOffset = 0;
for (size_t geometryNdx = 0; geometryNdx < m_geometriesData.size(); ++geometryNdx)
{
de::SharedPtr<RaytracedGeometryBase>& geometryData = m_geometriesData[geometryNdx];
VkDeviceOrHostAddressConstKHR vertexData, indexData;
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
vertexData = makeDeviceOrHostAddressConstKHR(vk, device, m_vertexBuffer->get(), vertexBufferOffset);
vertexBufferOffset += deAlignSize(geometryData->getVertexByteSize(), 8);
if (geometryData->getIndexType() != VK_INDEX_TYPE_NONE_KHR)
{
indexData = makeDeviceOrHostAddressConstKHR(vk, device, m_indexBuffer->get(), indexBufferOffset);
indexBufferOffset += deAlignSize(geometryData->getIndexByteSize(), 8);
}
else
indexData = makeDeviceOrHostAddressConstKHR(DE_NULL);
}
else
{
vertexData = makeDeviceOrHostAddressConstKHR( geometryData->getVertexPointer() );
if (m_indexBuffer.get() != DE_NULL)
indexData = makeDeviceOrHostAddressConstKHR( geometryData->getIndexPointer() );
else
indexData = makeDeviceOrHostAddressConstKHR(DE_NULL);
}
const VkAccelerationStructureGeometryTrianglesDataKHR accelerationStructureGeometryTrianglesDataKHR =
{
VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_TRIANGLES_DATA_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
geometryData->getVertexFormat(), // VkFormat vertexFormat;
vertexData, // VkDeviceOrHostAddressConstKHR vertexData;
geometryData->getVertexStride(), // VkDeviceSize vertexStride;
geometryData->getIndexType(), // VkIndexType indexType;
indexData, // VkDeviceOrHostAddressConstKHR indexData;
makeDeviceOrHostAddressConstKHR(DE_NULL), // VkDeviceOrHostAddressConstKHR transformData;
};
const VkAccelerationStructureGeometryAabbsDataKHR accelerationStructureGeometryAabbsDataKHR =
{
VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_AABBS_DATA_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
vertexData, // VkDeviceOrHostAddressConstKHR data;
geometryData->getAABBStride() // VkDeviceSize stride;
};
const VkAccelerationStructureGeometryDataKHR geometry = (geometryData->isTrianglesType())
? makeVkAccelerationStructureGeometryDataKHR(accelerationStructureGeometryTrianglesDataKHR)
: makeVkAccelerationStructureGeometryDataKHR(accelerationStructureGeometryAabbsDataKHR);
const VkAccelerationStructureGeometryKHR accelerationStructureGeometryKHR =
{
VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
geometryData->getGeometryType(), // VkGeometryTypeKHR geometryType;
geometry, // VkAccelerationStructureGeometryDataKHR geometry;
geometryData->getGeometryFlags() // VkGeometryFlagsKHR flags;
};
const VkAccelerationStructureBuildOffsetInfoKHR accelerationStructureBuildOffsetInfosKHR =
{
geometryData->getPrimitiveCount(), // deUint32 primitiveCount;
0, // deUint32 primitiveOffset;
0, // deUint32 firstVertex;
0 // deUint32 firstTransform;
};
accelerationStructureGeometriesKHR[geometryNdx] = accelerationStructureGeometryKHR;
accelerationStructureGeometriesKHRPointers[geometryNdx] = &accelerationStructureGeometriesKHR[geometryNdx];
accelerationStructureBuildOffsetInfoKHR[geometryNdx] = accelerationStructureBuildOffsetInfosKHR;
}
VkAccelerationStructureGeometryKHR* accelerationStructureGeometriesKHRPointer = accelerationStructureGeometriesKHR.data();
VkAccelerationStructureGeometryKHR** accelerationStructureGeometry = (m_useArrayOfPointers)
? accelerationStructureGeometriesKHRPointers.data()
: &accelerationStructureGeometriesKHRPointer;
VkDeviceOrHostAddressKHR scratchData = (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
? makeDeviceOrHostAddressKHR(vk, device, m_scratchBuffer->get(), 0)
: makeDeviceOrHostAddressKHR(m_scratchBuffer->getAllocation().getHostPtr());
VkAccelerationStructureBuildGeometryInfoKHR accelerationStructureBuildGeometryInfoKHR =
{
VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_BUILD_GEOMETRY_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR, // VkAccelerationStructureTypeKHR type;
m_buildFlags, // VkBuildAccelerationStructureFlagsKHR flags;
DE_FALSE, // VkBool32 update;
DE_NULL, // VkAccelerationStructureKHR srcAccelerationStructure;
m_accelerationStructureKHR.get(), // VkAccelerationStructureKHR dstAccelerationStructure;
(VkBool32)( m_useArrayOfPointers ? DE_TRUE : DE_FALSE ), // VkBool32 geometryArrayOfPointers;
static_cast<deUint32>(accelerationStructureGeometriesKHR.size()), // deUint32 geometryCount;
(const VkAccelerationStructureGeometryKHR**)accelerationStructureGeometry, // const VkAccelerationStructureGeometryKHR** ppGeometries;
scratchData // VkDeviceOrHostAddressKHR scratchData;
};
VkAccelerationStructureBuildOffsetInfoKHR* accelerationStructureBuildOffsetInfoKHRPtr = accelerationStructureBuildOffsetInfoKHR.data();
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
if (m_indirectBuffer == DE_NULL)
vk.cmdBuildAccelerationStructureKHR(cmdBuffer, 1u, &accelerationStructureBuildGeometryInfoKHR, (const VkAccelerationStructureBuildOffsetInfoKHR**)&accelerationStructureBuildOffsetInfoKHRPtr);
else
vk.cmdBuildAccelerationStructureIndirectKHR(cmdBuffer, &accelerationStructureBuildGeometryInfoKHR, m_indirectBuffer, m_indirectBufferOffset, m_indirectBufferStride);
}
else if (!m_deferredOperation)
{
VK_CHECK(vk.buildAccelerationStructureKHR(device, 1u, &accelerationStructureBuildGeometryInfoKHR, (const VkAccelerationStructureBuildOffsetInfoKHR**)&accelerationStructureBuildOffsetInfoKHRPtr));
}
else
{
VkDeferredOperationKHR deferredOperation = DE_NULL;
VK_CHECK(vk.createDeferredOperationKHR(device, DE_NULL, &deferredOperation));
VkDeferredOperationInfoKHR deferredOperationInfoKHR =
{
VK_STRUCTURE_TYPE_DEFERRED_OPERATION_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
deferredOperation // VkDeferredOperationKHR operationHandle;
};
accelerationStructureBuildGeometryInfoKHR.pNext = &deferredOperationInfoKHR;
VkResult result = vk.buildAccelerationStructureKHR(device, 1u, &accelerationStructureBuildGeometryInfoKHR, (const VkAccelerationStructureBuildOffsetInfoKHR**)&accelerationStructureBuildOffsetInfoKHRPtr);
DE_ASSERT(result == VK_OPERATION_DEFERRED_KHR || result == VK_OPERATION_NOT_DEFERRED_KHR || result == VK_SUCCESS);
DE_UNREF(result);
VK_CHECK(finishDeferredOperation(vk, device, deferredOperation));
accelerationStructureBuildGeometryInfoKHR.pNext = DE_NULL;
}
}
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
const VkAccessFlags accessMasks = VK_ACCESS_ACCELERATION_STRUCTURE_WRITE_BIT_KHR | VK_ACCESS_ACCELERATION_STRUCTURE_READ_BIT_KHR;
const VkMemoryBarrier memBarrier = makeMemoryBarrier(accessMasks, accessMasks);
cmdPipelineMemoryBarrier(vk, cmdBuffer, VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, &memBarrier);
}
}
void BottomLevelAccelerationStructureKHR::copyFrom (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
BottomLevelAccelerationStructure* accelerationStructure,
VkDeviceSize compactCopySize)
{
VkCopyAccelerationStructureInfoKHR copyAccelerationStructureInfo =
{
VK_STRUCTURE_TYPE_COPY_ACCELERATION_STRUCTURE_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
*(accelerationStructure->getPtr()), // VkAccelerationStructureKHR src;
*(getPtr()), // VkAccelerationStructureKHR dst;
compactCopySize > 0u ? VK_COPY_ACCELERATION_STRUCTURE_MODE_COMPACT_KHR : VK_COPY_ACCELERATION_STRUCTURE_MODE_CLONE_KHR // VkCopyAccelerationStructureModeKHR mode;
};
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
vk.cmdCopyAccelerationStructureKHR(cmdBuffer, &copyAccelerationStructureInfo);
}
else if (!m_deferredOperation)
{
VK_CHECK(vk.copyAccelerationStructureKHR(device, &copyAccelerationStructureInfo));
}
else
{
VkDeferredOperationKHR deferredOperation = DE_NULL;
VK_CHECK(vk.createDeferredOperationKHR(device, DE_NULL, &deferredOperation));
VkDeferredOperationInfoKHR deferredOperationInfoKHR =
{
VK_STRUCTURE_TYPE_DEFERRED_OPERATION_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
deferredOperation // VkDeferredOperationKHR operationHandle;
};
copyAccelerationStructureInfo.pNext = &deferredOperationInfoKHR;
VkResult result = vk.copyAccelerationStructureKHR(device, &copyAccelerationStructureInfo);
DE_ASSERT(result == VK_OPERATION_DEFERRED_KHR || result == VK_OPERATION_NOT_DEFERRED_KHR || result == VK_SUCCESS);
DE_UNREF(result);
VK_CHECK(finishDeferredOperation(vk, device, deferredOperation));
}
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
const VkAccessFlags accessMasks = VK_ACCESS_ACCELERATION_STRUCTURE_WRITE_BIT_KHR | VK_ACCESS_ACCELERATION_STRUCTURE_READ_BIT_KHR;
const VkMemoryBarrier memBarrier = makeMemoryBarrier(accessMasks, accessMasks);
cmdPipelineMemoryBarrier(vk, cmdBuffer, VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, &memBarrier);
}
}
void BottomLevelAccelerationStructureKHR::serialize (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
SerialStorage* storage)
{
VkCopyAccelerationStructureToMemoryInfoKHR copyAccelerationStructureInfo =
{
VK_STRUCTURE_TYPE_COPY_ACCELERATION_STRUCTURE_TO_MEMORY_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
*(getPtr()), // VkAccelerationStructureKHR src;
storage->getAddress(vk,device), // VkDeviceOrHostAddressKHR dst;
VK_COPY_ACCELERATION_STRUCTURE_MODE_SERIALIZE_KHR // VkCopyAccelerationStructureModeKHR mode;
};
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
vk.cmdCopyAccelerationStructureToMemoryKHR(cmdBuffer, &copyAccelerationStructureInfo);
}
else
{
VK_CHECK(vk.copyAccelerationStructureToMemoryKHR(device, &copyAccelerationStructureInfo));
}
// There is no deferred operation for vkCopyAccelerationStructureToMemoryKHR
}
void BottomLevelAccelerationStructureKHR::deserialize (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
SerialStorage* storage)
{
VkCopyMemoryToAccelerationStructureInfoKHR copyAccelerationStructureInfo =
{
VK_STRUCTURE_TYPE_COPY_MEMORY_TO_ACCELERATION_STRUCTURE_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
storage->getAddressConst(vk,device), // VkDeviceOrHostAddressConstKHR src;
*(getPtr()), // VkAccelerationStructureKHR dst;
VK_COPY_ACCELERATION_STRUCTURE_MODE_DESERIALIZE_KHR // VkCopyAccelerationStructureModeKHR mode;
};
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
vk.cmdCopyMemoryToAccelerationStructureKHR(cmdBuffer, &copyAccelerationStructureInfo);
}
else
{
VK_CHECK(vk.copyMemoryToAccelerationStructureKHR(device, &copyAccelerationStructureInfo));
}
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
const VkAccessFlags accessMasks = VK_ACCESS_ACCELERATION_STRUCTURE_WRITE_BIT_KHR | VK_ACCESS_ACCELERATION_STRUCTURE_READ_BIT_KHR;
const VkMemoryBarrier memBarrier = makeMemoryBarrier(accessMasks, accessMasks);
cmdPipelineMemoryBarrier(vk, cmdBuffer, VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, &memBarrier);
}
}
const VkAccelerationStructureKHR* BottomLevelAccelerationStructureKHR::getPtr (void) const
{
return &m_accelerationStructureKHR.get();
}
deUint32 BottomLevelAccelerationStructure::getRequiredAllocationCount (void)
{
return BottomLevelAccelerationStructureKHR::getRequiredAllocationCount();
}
void BottomLevelAccelerationStructure::createAndBuild (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
Allocator& allocator,
VkDeviceAddress deviceAddress)
{
create(vk, device, allocator, deviceAddress, 0u);
build(vk, device, cmdBuffer);
}
void BottomLevelAccelerationStructure::createAndCopyFrom (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
Allocator& allocator,
VkDeviceAddress deviceAddress,
BottomLevelAccelerationStructure* accelerationStructure,
VkDeviceSize compactCopySize)
{
create(vk, device, allocator, deviceAddress, compactCopySize);
copyFrom(vk, device, cmdBuffer, accelerationStructure, compactCopySize);
}
void BottomLevelAccelerationStructure::createAndDeserializeFrom (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
Allocator& allocator,
VkDeviceAddress deviceAddress,
SerialStorage* storage)
{
create(vk, device, allocator, deviceAddress, 0u);
deserialize(vk, device, cmdBuffer, storage);
}
de::MovePtr<BottomLevelAccelerationStructure> makeBottomLevelAccelerationStructure ()
{
return de::MovePtr<BottomLevelAccelerationStructure>(new BottomLevelAccelerationStructureKHR);
}
TopLevelAccelerationStructure::~TopLevelAccelerationStructure ()
{
}
TopLevelAccelerationStructure::TopLevelAccelerationStructure ()
: m_bottomLevelInstances ()
{
}
void TopLevelAccelerationStructure::setInstanceCount (const size_t instanceCount)
{
m_bottomLevelInstances.reserve(instanceCount);
m_instanceData.reserve(instanceCount);
}
void TopLevelAccelerationStructure::addInstance (de::SharedPtr<BottomLevelAccelerationStructure> bottomLevelStructure,
const VkTransformMatrixKHR& matrix,
deUint32 instanceCustomIndex,
deUint32 mask,
deUint32 instanceShaderBindingTableRecordOffset,
VkGeometryInstanceFlagsKHR flags)
{
m_bottomLevelInstances.push_back(bottomLevelStructure);
m_instanceData.push_back(InstanceData(matrix, instanceCustomIndex, mask, instanceShaderBindingTableRecordOffset, flags));
}
void TopLevelAccelerationStructure::createAndBuild (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
Allocator& allocator,
VkDeviceAddress deviceAddress)
{
create(vk, device, allocator, deviceAddress, 0u);
build(vk, device, cmdBuffer);
}
void TopLevelAccelerationStructure::createAndCopyFrom (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
Allocator& allocator,
VkDeviceAddress deviceAddress,
TopLevelAccelerationStructure* accelerationStructure,
VkDeviceSize compactCopySize)
{
create(vk, device, allocator, deviceAddress, compactCopySize);
copyFrom(vk, device, cmdBuffer, accelerationStructure, compactCopySize);
}
void TopLevelAccelerationStructure::createAndDeserializeFrom (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
Allocator& allocator,
VkDeviceAddress deviceAddress,
SerialStorage* storage)
{
create(vk, device, allocator, deviceAddress, 0u);
deserialize(vk, device, cmdBuffer, storage);
}
BufferWithMemory* createInstanceBuffer (const DeviceInterface& vk,
const VkDevice device,
Allocator& allocator,
std::vector<de::SharedPtr<BottomLevelAccelerationStructure> > bottomLevelInstances,
std::vector<InstanceData> instanceData)
{
DE_ASSERT(bottomLevelInstances.size() != 0);
DE_ASSERT(bottomLevelInstances.size() == instanceData.size());
DE_UNREF(instanceData);
const VkDeviceSize bufferSizeBytes = bottomLevelInstances.size() * sizeof(VkAccelerationStructureInstanceKHR);
const VkBufferCreateInfo bufferCreateInfo = makeBufferCreateInfo(bufferSizeBytes, VK_BUFFER_USAGE_RAY_TRACING_BIT_KHR | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT);
return new BufferWithMemory(vk, device, allocator, bufferCreateInfo, MemoryRequirement::HostVisible | MemoryRequirement::Coherent | MemoryRequirement::DeviceAddress);
}
void updateInstanceBuffer (const DeviceInterface& vk,
const VkDevice device,
std::vector<de::SharedPtr<BottomLevelAccelerationStructure> > bottomLevelInstances,
std::vector<InstanceData> instanceData,
BufferWithMemory* instanceBuffer,
VkAccelerationStructureBuildTypeKHR buildType)
{
DE_ASSERT(bottomLevelInstances.size() != 0);
DE_ASSERT(bottomLevelInstances.size() == instanceData.size());
const Allocation& instancesAlloc = instanceBuffer->getAllocation();
deUint8* bufferStart = static_cast<deUint8*>(instancesAlloc.getHostPtr());
VkDeviceSize bufferOffset = 0;
for (size_t instanceNdx = 0; instanceNdx < bottomLevelInstances.size(); ++instanceNdx)
{
const BottomLevelAccelerationStructure& bottomLevelAccelerationStructure = *bottomLevelInstances[instanceNdx];
const VkAccelerationStructureKHR accelerationStructureKHR = *bottomLevelAccelerationStructure.getPtr();
// This part needs to be fixed once a new version of the VkAccelerationStructureInstanceKHR will be added to vkStructTypes.inl
VkDeviceAddress accelerationStructureAddress;
if (buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
VkAccelerationStructureDeviceAddressInfoKHR asDeviceAddressInfo =
{
VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_DEVICE_ADDRESS_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
accelerationStructureKHR // VkAccelerationStructureKHR accelerationStructure;
};
accelerationStructureAddress = vk.getAccelerationStructureDeviceAddressKHR(device, &asDeviceAddressInfo);
}
const deUint64 structureReference = (buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
? deUint64(accelerationStructureAddress)
: deUint64(&accelerationStructureKHR);
VkAccelerationStructureInstanceKHR accelerationStructureInstanceKHR = makeVkAccelerationStructureInstanceKHR
(
instanceData[instanceNdx].matrix, // VkTransformMatrixKHR transform;
instanceData[instanceNdx].instanceCustomIndex, // deUint32 instanceCustomIndex:24;
instanceData[instanceNdx].mask, // deUint32 mask:8;
instanceData[instanceNdx].instanceShaderBindingTableRecordOffset, // deUint32 instanceShaderBindingTableRecordOffset:24;
instanceData[instanceNdx].flags, // VkGeometryInstanceFlagsKHR flags:8;
structureReference // deUint64 accelerationStructureReference;
);
deMemcpy(&bufferStart[bufferOffset], &accelerationStructureInstanceKHR, sizeof(VkAccelerationStructureInstanceKHR));
bufferOffset += sizeof(VkAccelerationStructureInstanceKHR);
}
flushMappedMemoryRange(vk, device, instancesAlloc.getMemory(), instancesAlloc.getOffset(), VK_WHOLE_SIZE);
}
class TopLevelAccelerationStructureKHR : public TopLevelAccelerationStructure
{
public:
static deUint32 getRequiredAllocationCount (void);
TopLevelAccelerationStructureKHR ();
TopLevelAccelerationStructureKHR (const TopLevelAccelerationStructureKHR& other) = delete;
virtual ~TopLevelAccelerationStructureKHR ();
void setBuildType (const VkAccelerationStructureBuildTypeKHR buildType) override;
void setBuildFlags (const VkBuildAccelerationStructureFlagsKHR flags) override;
void setDeferredOperation (const bool deferredOperation) override;
void setUseArrayOfPointers (const bool useArrayOfPointers) override;
void setIndirectBuildParameters (const VkBuffer indirectBuffer,
const VkDeviceSize indirectBufferOffset,
const deUint32 indirectBufferStride) override;
VkBuildAccelerationStructureFlagsKHR getBuildFlags () const override;
void create (const DeviceInterface& vk,
const VkDevice device,
Allocator& allocator,
VkDeviceAddress deviceAddress,
VkDeviceSize compactCopySize) override;
void build (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer) override;
void copyFrom (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
TopLevelAccelerationStructure* accelerationStructure,
VkDeviceSize compactCopySize) override;
void serialize (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
SerialStorage* storage) override;
void deserialize (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
SerialStorage* storage) override;
const VkAccelerationStructureKHR* getPtr (void) const override;
protected:
VkAccelerationStructureBuildTypeKHR m_buildType;
VkBuildAccelerationStructureFlagsKHR m_buildFlags;
bool m_deferredOperation;
bool m_useArrayOfPointers;
de::MovePtr<BufferWithMemory> m_instanceBuffer;
de::MovePtr<BufferWithMemory> m_instanceAddressBuffer;
de::MovePtr<Allocation> m_accelerationStructureAlloc;
de::MovePtr<BufferWithMemory> m_scratchBuffer;
Move<VkAccelerationStructureKHR> m_accelerationStructureKHR;
VkBuffer m_indirectBuffer;
VkDeviceSize m_indirectBufferOffset;
deUint32 m_indirectBufferStride;
};
deUint32 TopLevelAccelerationStructureKHR::getRequiredAllocationCount (void)
{
/*
de::MovePtr<BufferWithMemory> m_instanceBuffer;
de::MovePtr<Allocation> m_accelerationStructureAlloc;
de::MovePtr<BufferWithMemory> m_scratchBuffer;
*/
return 3u;
}
TopLevelAccelerationStructureKHR::TopLevelAccelerationStructureKHR ()
: TopLevelAccelerationStructure ()
, m_buildType (VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
, m_buildFlags (0u)
, m_deferredOperation (false)
, m_useArrayOfPointers (false)
, m_instanceBuffer ()
, m_instanceAddressBuffer ()
, m_accelerationStructureAlloc ()
, m_scratchBuffer ()
, m_accelerationStructureKHR ()
, m_indirectBuffer (DE_NULL)
, m_indirectBufferOffset (0)
, m_indirectBufferStride (0)
{
}
TopLevelAccelerationStructureKHR::~TopLevelAccelerationStructureKHR ()
{
}
void TopLevelAccelerationStructureKHR::setBuildType (const VkAccelerationStructureBuildTypeKHR buildType)
{
m_buildType = buildType;
}
void TopLevelAccelerationStructureKHR::setBuildFlags (const VkBuildAccelerationStructureFlagsKHR flags)
{
m_buildFlags = flags;
}
void TopLevelAccelerationStructureKHR::setDeferredOperation (const bool deferredOperation)
{
m_deferredOperation = deferredOperation;
}
void TopLevelAccelerationStructureKHR::setUseArrayOfPointers (const bool useArrayOfPointers)
{
m_useArrayOfPointers = useArrayOfPointers;
}
void TopLevelAccelerationStructureKHR::setIndirectBuildParameters (const VkBuffer indirectBuffer,
const VkDeviceSize indirectBufferOffset,
const deUint32 indirectBufferStride)
{
m_indirectBuffer = indirectBuffer;
m_indirectBufferOffset = indirectBufferOffset;
m_indirectBufferStride = indirectBufferStride;
}
VkBuildAccelerationStructureFlagsKHR TopLevelAccelerationStructureKHR::getBuildFlags () const
{
return m_buildFlags;
}
void TopLevelAccelerationStructureKHR::create (const DeviceInterface& vk,
const VkDevice device,
Allocator& allocator,
VkDeviceAddress deviceAddress,
VkDeviceSize compactCopySize)
{
DE_ASSERT(!m_bottomLevelInstances.empty() != !(compactCopySize == 0)); // logical xor
{
const VkAccelerationStructureCreateGeometryTypeInfoKHR accelerationStructureCreateGeometryTypeInfoKHR =
{
VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_CREATE_GEOMETRY_TYPE_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
VK_GEOMETRY_TYPE_INSTANCES_KHR, // VkGeometryTypeKHR geometryType;
static_cast<deUint32>(m_bottomLevelInstances.size()), // deUint32 maxPrimitiveCount;
VK_INDEX_TYPE_NONE_KHR, // VkIndexType indexType;
0u, // deUint32 maxVertexCount;
VK_FORMAT_UNDEFINED, // VkFormat vertexFormat;
DE_FALSE // VkBool32 allowsTransforms;
};
const VkAccelerationStructureCreateInfoKHR accelerationStructureCreateInfoKHR =
{
VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_CREATE_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
compactCopySize, // VkDeviceSize compactedSize;
VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_KHR, // VkAccelerationStructureTypeKHR type;
m_buildFlags, // VkBuildAccelerationStructureFlagsKHR flags;
1u, // deUint32 maxGeometryCount;
&accelerationStructureCreateGeometryTypeInfoKHR, // const VkAccelerationStructureCreateGeometryTypeInfoKHR* pGeometryInfos;
deviceAddress // VkDeviceAddress deviceAddress;
};
m_accelerationStructureKHR = createAccelerationStructureKHR(vk, device, &accelerationStructureCreateInfoKHR, DE_NULL);
}
{
const VkMemoryRequirements memoryRequirements = getAccelerationStructureMemoryRequirements(vk, device, m_accelerationStructureKHR.get(), VK_ACCELERATION_STRUCTURE_MEMORY_REQUIREMENTS_TYPE_OBJECT_KHR, m_buildType);
m_accelerationStructureAlloc = allocator.allocate(memoryRequirements, vk::MemoryRequirement::Local);
}
{
const VkBindAccelerationStructureMemoryInfoKHR bindAccelerationStructureMemoryInfoKHR =
{
VK_STRUCTURE_TYPE_BIND_ACCELERATION_STRUCTURE_MEMORY_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
m_accelerationStructureKHR.get(), // VkAccelerationStructureKHR accelerationStructure;
m_accelerationStructureAlloc->getMemory(), // VkDeviceMemory memory;
m_accelerationStructureAlloc->getOffset(), // VkDeviceSize memoryOffset;
0, // deUint32 deviceIndexCount;
DE_NULL, // const deUint32* pDeviceIndices;
};
VK_CHECK(vk.bindAccelerationStructureMemoryKHR(device, 1, &bindAccelerationStructureMemoryInfoKHR));
}
{
const VkMemoryRequirements memoryRequirements = getAccelerationStructureMemoryRequirements(vk, device, m_accelerationStructureKHR.get(), VK_ACCELERATION_STRUCTURE_MEMORY_REQUIREMENTS_TYPE_BUILD_SCRATCH_KHR, m_buildType);
if(memoryRequirements.size > 0u)
{
const VkBufferCreateInfo bufferCreateInfo = makeBufferCreateInfo(memoryRequirements.size, VK_BUFFER_USAGE_RAY_TRACING_BIT_KHR | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT);
m_scratchBuffer = de::MovePtr<BufferWithMemory>(new BufferWithMemory(vk, device, allocator, bufferCreateInfo, MemoryRequirement::HostVisible | MemoryRequirement::Coherent | MemoryRequirement::DeviceAddress));
}
}
if (m_useArrayOfPointers)
{
const VkBufferCreateInfo bufferCreateInfo = makeBufferCreateInfo(m_bottomLevelInstances.size() * sizeof(VkDeviceOrHostAddressConstKHR), VK_BUFFER_USAGE_RAY_TRACING_BIT_KHR | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT);
m_instanceAddressBuffer = de::MovePtr<BufferWithMemory>(new BufferWithMemory(vk, device, allocator, bufferCreateInfo, MemoryRequirement::HostVisible | MemoryRequirement::Coherent | MemoryRequirement::DeviceAddress));
}
if(!m_bottomLevelInstances.empty())
m_instanceBuffer = de::MovePtr<BufferWithMemory>(createInstanceBuffer(vk, device, allocator, m_bottomLevelInstances, m_instanceData));
}
void TopLevelAccelerationStructureKHR::build (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer)
{
DE_ASSERT(!m_bottomLevelInstances.empty());
DE_ASSERT(m_accelerationStructureKHR.get() != DE_NULL);
updateInstanceBuffer(vk, device, m_bottomLevelInstances, m_instanceData, m_instanceBuffer.get(), m_buildType);
VkDeviceOrHostAddressConstKHR instancesData;
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
if (m_useArrayOfPointers)
{
deUint8* bufferStart = static_cast<deUint8*>(m_instanceAddressBuffer->getAllocation().getHostPtr());
VkDeviceSize bufferOffset = 0;
VkDeviceOrHostAddressConstKHR firstInstance = makeDeviceOrHostAddressConstKHR(vk, device, m_instanceBuffer->get(), 0);
for (size_t instanceNdx = 0; instanceNdx < m_bottomLevelInstances.size(); ++instanceNdx)
{
VkDeviceOrHostAddressConstKHR currentInstance;
currentInstance.deviceAddress = firstInstance.deviceAddress + instanceNdx * sizeof(VkAccelerationStructureInstanceKHR);
deMemcpy(&bufferStart[bufferOffset], &currentInstance, sizeof(VkDeviceOrHostAddressConstKHR));
bufferOffset += sizeof(VkDeviceOrHostAddressConstKHR);
}
flushMappedMemoryRange(vk, device, m_instanceAddressBuffer->getAllocation().getMemory(), m_instanceAddressBuffer->getAllocation().getOffset(), VK_WHOLE_SIZE);
instancesData = makeDeviceOrHostAddressConstKHR(vk, device, m_instanceAddressBuffer->get(), 0);
}
else
instancesData = makeDeviceOrHostAddressConstKHR(vk, device, m_instanceBuffer->get(), 0);
}
else
{
if (m_useArrayOfPointers)
{
deUint8* bufferStart = static_cast<deUint8*>(m_instanceAddressBuffer->getAllocation().getHostPtr());
VkDeviceSize bufferOffset = 0;
for (size_t instanceNdx = 0; instanceNdx < m_bottomLevelInstances.size(); ++instanceNdx)
{
VkDeviceOrHostAddressConstKHR currentInstance;
currentInstance.hostAddress = (deUint8*)m_instanceBuffer->getAllocation().getHostPtr() + instanceNdx * sizeof(VkAccelerationStructureInstanceKHR);
deMemcpy(&bufferStart[bufferOffset], &currentInstance, sizeof(VkDeviceOrHostAddressConstKHR));
bufferOffset += sizeof(VkDeviceOrHostAddressConstKHR);
}
instancesData = makeDeviceOrHostAddressConstKHR(m_instanceAddressBuffer->getAllocation().getHostPtr());
}
else
instancesData = makeDeviceOrHostAddressConstKHR(m_instanceBuffer->getAllocation().getHostPtr());
}
VkAccelerationStructureGeometryInstancesDataKHR accelerationStructureGeometryInstancesDataKHR =
{
VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_INSTANCES_DATA_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
(VkBool32)( m_useArrayOfPointers ? DE_TRUE : DE_FALSE ), // VkBool32 arrayOfPointers;
instancesData // VkDeviceOrHostAddressConstKHR data;
};
VkAccelerationStructureGeometryKHR accelerationStructureGeometryKHR =
{
VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
VK_GEOMETRY_TYPE_INSTANCES_KHR, // VkGeometryTypeKHR geometryType;
makeVkAccelerationStructureInstancesDataKHR(accelerationStructureGeometryInstancesDataKHR), // VkAccelerationStructureGeometryDataKHR geometry;
(VkGeometryFlagsKHR)0u // VkGeometryFlagsKHR flags;
};
VkAccelerationStructureGeometryKHR* accelerationStructureGeometryKHRPointer = &accelerationStructureGeometryKHR;
VkDeviceOrHostAddressKHR scratchData;
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
scratchData = makeDeviceOrHostAddressKHR(vk, device, m_scratchBuffer->get(), 0);
else
scratchData = makeDeviceOrHostAddressKHR(m_scratchBuffer->getAllocation().getHostPtr());
VkAccelerationStructureBuildGeometryInfoKHR accelerationStructureBuildGeometryInfoKHR =
{
VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_BUILD_GEOMETRY_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_KHR, // VkAccelerationStructureTypeKHR type;
m_buildFlags, // VkBuildAccelerationStructureFlagsKHR flags;
DE_FALSE, // VkBool32 update;
DE_NULL, // VkAccelerationStructureKHR srcAccelerationStructure;
m_accelerationStructureKHR.get(), // VkAccelerationStructureKHR dstAccelerationStructure;
DE_FALSE, // VkBool32 geometryArrayOfPointers;
1u, // deUint32 geometryCount;
(const VkAccelerationStructureGeometryKHR**)&accelerationStructureGeometryKHRPointer, // const VkAccelerationStructureGeometryKHR** ppGeometries;
scratchData // VkDeviceOrHostAddressKHR scratchData;
};
VkAccelerationStructureBuildOffsetInfoKHR accelerationStructureBuildOffsetInfoKHR =
{
(deUint32)m_bottomLevelInstances.size(), // deUint32 primitiveCount;
0, // deUint32 primitiveOffset;
0, // deUint32 firstVertex;
0 // deUint32 firstTransform;
};
VkAccelerationStructureBuildOffsetInfoKHR* accelerationStructureBuildOffsetInfoKHRPtr = &accelerationStructureBuildOffsetInfoKHR;
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
if (m_indirectBuffer == DE_NULL)
vk.cmdBuildAccelerationStructureKHR(cmdBuffer, 1u, &accelerationStructureBuildGeometryInfoKHR, (const VkAccelerationStructureBuildOffsetInfoKHR**)&accelerationStructureBuildOffsetInfoKHRPtr);
else
vk.cmdBuildAccelerationStructureIndirectKHR(cmdBuffer, &accelerationStructureBuildGeometryInfoKHR, m_indirectBuffer, m_indirectBufferOffset, m_indirectBufferStride);
}
else if (!m_deferredOperation)
{
VK_CHECK(vk.buildAccelerationStructureKHR(device, 1u, &accelerationStructureBuildGeometryInfoKHR, (const VkAccelerationStructureBuildOffsetInfoKHR**)&accelerationStructureBuildOffsetInfoKHRPtr));
}
else
{
VkDeferredOperationKHR deferredOperation = DE_NULL;
VK_CHECK(vk.createDeferredOperationKHR(device, DE_NULL, &deferredOperation));
VkDeferredOperationInfoKHR deferredOperationInfoKHR =
{
VK_STRUCTURE_TYPE_DEFERRED_OPERATION_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
deferredOperation // VkDeferredOperationKHR operationHandle;
};
accelerationStructureBuildGeometryInfoKHR.pNext = &deferredOperationInfoKHR;
VkResult result = vk.buildAccelerationStructureKHR(device, 1u, &accelerationStructureBuildGeometryInfoKHR, (const VkAccelerationStructureBuildOffsetInfoKHR**)&accelerationStructureBuildOffsetInfoKHRPtr);
DE_ASSERT(result == VK_OPERATION_DEFERRED_KHR || result == VK_OPERATION_NOT_DEFERRED_KHR || result == VK_SUCCESS);
DE_UNREF(result);
VK_CHECK(finishDeferredOperation(vk, device, deferredOperation));
accelerationStructureBuildGeometryInfoKHR.pNext = DE_NULL;
}
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
const VkAccessFlags accessMasks = VK_ACCESS_ACCELERATION_STRUCTURE_WRITE_BIT_KHR | VK_ACCESS_ACCELERATION_STRUCTURE_READ_BIT_KHR;
const VkMemoryBarrier memBarrier = makeMemoryBarrier(accessMasks, accessMasks);
cmdPipelineMemoryBarrier(vk, cmdBuffer, VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, &memBarrier);
}
}
void TopLevelAccelerationStructureKHR::copyFrom (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
TopLevelAccelerationStructure* accelerationStructure,
VkDeviceSize compactCopySize)
{
VkCopyAccelerationStructureInfoKHR copyAccelerationStructureInfo =
{
VK_STRUCTURE_TYPE_COPY_ACCELERATION_STRUCTURE_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
*(accelerationStructure->getPtr()), // VkAccelerationStructureKHR src;
*(getPtr()), // VkAccelerationStructureKHR dst;
compactCopySize > 0u ? VK_COPY_ACCELERATION_STRUCTURE_MODE_COMPACT_KHR : VK_COPY_ACCELERATION_STRUCTURE_MODE_CLONE_KHR // VkCopyAccelerationStructureModeKHR mode;
};
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
vk.cmdCopyAccelerationStructureKHR(cmdBuffer, &copyAccelerationStructureInfo);
}
else if (!m_deferredOperation)
{
VK_CHECK(vk.copyAccelerationStructureKHR(device, &copyAccelerationStructureInfo));
}
else
{
VkDeferredOperationKHR deferredOperation = DE_NULL;
VK_CHECK(vk.createDeferredOperationKHR(device, DE_NULL, &deferredOperation));
VkDeferredOperationInfoKHR deferredOperationInfoKHR =
{
VK_STRUCTURE_TYPE_DEFERRED_OPERATION_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
deferredOperation // VkDeferredOperationKHR operationHandle;
};
copyAccelerationStructureInfo.pNext = &deferredOperationInfoKHR;
VkResult result = vk.copyAccelerationStructureKHR(device, &copyAccelerationStructureInfo);
DE_ASSERT(result == VK_OPERATION_DEFERRED_KHR || result == VK_OPERATION_NOT_DEFERRED_KHR || result == VK_SUCCESS);
DE_UNREF(result);
VK_CHECK(finishDeferredOperation(vk, device, deferredOperation));
}
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
const VkAccessFlags accessMasks = VK_ACCESS_ACCELERATION_STRUCTURE_WRITE_BIT_KHR | VK_ACCESS_ACCELERATION_STRUCTURE_READ_BIT_KHR;
const VkMemoryBarrier memBarrier = makeMemoryBarrier(accessMasks, accessMasks);
cmdPipelineMemoryBarrier(vk, cmdBuffer, VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, &memBarrier);
}
}
void TopLevelAccelerationStructureKHR::serialize (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
SerialStorage* storage)
{
VkCopyAccelerationStructureToMemoryInfoKHR copyAccelerationStructureInfo =
{
VK_STRUCTURE_TYPE_COPY_ACCELERATION_STRUCTURE_TO_MEMORY_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
*(getPtr()), // VkAccelerationStructureKHR src;
storage->getAddress(vk,device), // VkDeviceOrHostAddressKHR dst;
VK_COPY_ACCELERATION_STRUCTURE_MODE_SERIALIZE_KHR // VkCopyAccelerationStructureModeKHR mode;
};
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
vk.cmdCopyAccelerationStructureToMemoryKHR(cmdBuffer, &copyAccelerationStructureInfo);
}
else
{
VK_CHECK(vk.copyAccelerationStructureToMemoryKHR(device, &copyAccelerationStructureInfo));
}
// There is no deferred operation for vkCopyAccelerationStructureToMemoryKHR
}
void TopLevelAccelerationStructureKHR::deserialize (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
SerialStorage* storage)
{
VkCopyMemoryToAccelerationStructureInfoKHR copyAccelerationStructureInfo =
{
VK_STRUCTURE_TYPE_COPY_MEMORY_TO_ACCELERATION_STRUCTURE_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
storage->getAddressConst(vk,device), // VkDeviceOrHostAddressConstKHR src;
*(getPtr()), // VkAccelerationStructureKHR dst;
VK_COPY_ACCELERATION_STRUCTURE_MODE_DESERIALIZE_KHR // VkCopyAccelerationStructureModeKHR mode;
};
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
vk.cmdCopyMemoryToAccelerationStructureKHR(cmdBuffer, &copyAccelerationStructureInfo);
}
else
{
VK_CHECK(vk.copyMemoryToAccelerationStructureKHR(device, &copyAccelerationStructureInfo));
}
if (m_buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
const VkAccessFlags accessMasks = VK_ACCESS_ACCELERATION_STRUCTURE_WRITE_BIT_KHR | VK_ACCESS_ACCELERATION_STRUCTURE_READ_BIT_KHR;
const VkMemoryBarrier memBarrier = makeMemoryBarrier(accessMasks, accessMasks);
cmdPipelineMemoryBarrier(vk, cmdBuffer, VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, &memBarrier);
}
}
const VkAccelerationStructureKHR* TopLevelAccelerationStructureKHR::getPtr (void) const
{
return &m_accelerationStructureKHR.get();
}
deUint32 TopLevelAccelerationStructure::getRequiredAllocationCount (void)
{
return TopLevelAccelerationStructureKHR::getRequiredAllocationCount();
}
de::MovePtr<TopLevelAccelerationStructure> makeTopLevelAccelerationStructure ()
{
return de::MovePtr<TopLevelAccelerationStructure>(new TopLevelAccelerationStructureKHR);
}
bool queryAccelerationStructureSizeKHR (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
const std::vector<VkAccelerationStructureKHR>& accelerationStructureHandles,
VkAccelerationStructureBuildTypeKHR buildType,
const VkQueryPool queryPool,
VkQueryType queryType,
deUint32 firstQuery,
std::vector<VkDeviceSize>& results)
{
DE_ASSERT(queryType == VK_QUERY_TYPE_ACCELERATION_STRUCTURE_COMPACTED_SIZE_KHR || queryType == VK_QUERY_TYPE_ACCELERATION_STRUCTURE_SERIALIZATION_SIZE_KHR);
if (buildType == VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR)
{
// queryPool must be large enough to contain at least (firstQuery + accelerationStructureHandles.size()) queries
vk.cmdResetQueryPool(cmdBuffer, queryPool, firstQuery, deUint32(accelerationStructureHandles.size()));
vk.cmdWriteAccelerationStructuresPropertiesKHR(cmdBuffer, deUint32(accelerationStructureHandles.size()), accelerationStructureHandles.data(), queryType, queryPool, firstQuery);
// results cannot be retrieved to CPU at the moment - you need to do it using getQueryPoolResults after cmdBuffer is executed. Meanwhile function returns a vector of 0s.
results.resize(accelerationStructureHandles.size(), 0u);
return false;
}
// buildType != VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR
results.resize(accelerationStructureHandles.size(), 0u);
vk.writeAccelerationStructuresPropertiesKHR(device, deUint32(accelerationStructureHandles.size()), accelerationStructureHandles.data(), queryType, sizeof(VkDeviceSize), results.data(), sizeof(VkDeviceSize));
// results will contain proper values
return true;
}
bool queryAccelerationStructureSize (const DeviceInterface& vk,
const VkDevice device,
const VkCommandBuffer cmdBuffer,
const std::vector<VkAccelerationStructureKHR>& accelerationStructureHandles,
VkAccelerationStructureBuildTypeKHR buildType,
const VkQueryPool queryPool,
VkQueryType queryType,
deUint32 firstQuery,
std::vector<VkDeviceSize>& results)
{
return queryAccelerationStructureSizeKHR(vk, device, cmdBuffer, accelerationStructureHandles, buildType, queryPool, queryType, firstQuery, results);
}
RayTracingPipeline::RayTracingPipeline ()
: m_shadersModules ()
, m_pipelineLibraries ()
, m_shaderCreateInfos ()
, m_shadersGroupCreateInfos ()
, m_pipelineCreateFlags (0U)
, m_maxRecursionDepth (1U)
, m_maxPayloadSize (0U)
, m_maxAttributeSize (0U)
, m_maxCallableSize (0U)
, m_deferredOperation (false)
{
}
RayTracingPipeline::~RayTracingPipeline ()
{
}
#define CHECKED_ASSIGN_SHADER(SHADER, STAGE) \
if (SHADER == VK_SHADER_UNUSED_KHR) \
SHADER = STAGE; \
else \
TCU_THROW(InternalError, "Attempt to reassign shader")
void RayTracingPipeline::addShader (VkShaderStageFlagBits shaderStage, Move<VkShaderModule> shaderModule, deUint32 group)
{
if (group >= m_shadersGroupCreateInfos.size())
{
for (size_t groupNdx = m_shadersGroupCreateInfos.size(); groupNdx <= group; ++groupNdx)
{
VkRayTracingShaderGroupCreateInfoKHR shaderGroupCreateInfo =
{
VK_STRUCTURE_TYPE_RAY_TRACING_SHADER_GROUP_CREATE_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
VK_RAY_TRACING_SHADER_GROUP_TYPE_MAX_ENUM_KHR, // VkRayTracingShaderGroupTypeKHR type;
VK_SHADER_UNUSED_KHR, // deUint32 generalShader;
VK_SHADER_UNUSED_KHR, // deUint32 closestHitShader;
VK_SHADER_UNUSED_KHR, // deUint32 anyHitShader;
VK_SHADER_UNUSED_KHR, // deUint32 intersectionShader;
DE_NULL, // const void* pShaderGroupCaptureReplayHandle;
};
m_shadersGroupCreateInfos.push_back(shaderGroupCreateInfo);
}
}
const deUint32 shaderStageNdx = (deUint32)m_shaderCreateInfos.size();
VkRayTracingShaderGroupCreateInfoKHR& shaderGroupCreateInfo = m_shadersGroupCreateInfos[group];
switch (shaderStage)
{
case VK_SHADER_STAGE_RAYGEN_BIT_KHR: CHECKED_ASSIGN_SHADER(shaderGroupCreateInfo.generalShader, shaderStageNdx); break;
case VK_SHADER_STAGE_MISS_BIT_KHR: CHECKED_ASSIGN_SHADER(shaderGroupCreateInfo.generalShader, shaderStageNdx); break;
case VK_SHADER_STAGE_CALLABLE_BIT_KHR: CHECKED_ASSIGN_SHADER(shaderGroupCreateInfo.generalShader, shaderStageNdx); break;
case VK_SHADER_STAGE_ANY_HIT_BIT_KHR: CHECKED_ASSIGN_SHADER(shaderGroupCreateInfo.anyHitShader, shaderStageNdx); break;
case VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR: CHECKED_ASSIGN_SHADER(shaderGroupCreateInfo.closestHitShader, shaderStageNdx); break;
case VK_SHADER_STAGE_INTERSECTION_BIT_KHR: CHECKED_ASSIGN_SHADER(shaderGroupCreateInfo.intersectionShader, shaderStageNdx); break;
default: TCU_THROW(InternalError, "Unacceptable stage");
}
switch (shaderStage)
{
case VK_SHADER_STAGE_RAYGEN_BIT_KHR:
case VK_SHADER_STAGE_MISS_BIT_KHR:
case VK_SHADER_STAGE_CALLABLE_BIT_KHR:
{
DE_ASSERT(shaderGroupCreateInfo.type == VK_RAY_TRACING_SHADER_GROUP_TYPE_MAX_ENUM_KHR);
shaderGroupCreateInfo.type = VK_RAY_TRACING_SHADER_GROUP_TYPE_GENERAL_KHR;
break;
}
case VK_SHADER_STAGE_ANY_HIT_BIT_KHR:
case VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR:
case VK_SHADER_STAGE_INTERSECTION_BIT_KHR:
{
DE_ASSERT(shaderGroupCreateInfo.type != VK_RAY_TRACING_SHADER_GROUP_TYPE_GENERAL_KHR);
shaderGroupCreateInfo.type = (shaderGroupCreateInfo.intersectionShader == VK_SHADER_UNUSED_KHR)
? VK_RAY_TRACING_SHADER_GROUP_TYPE_TRIANGLES_HIT_GROUP_KHR
: VK_RAY_TRACING_SHADER_GROUP_TYPE_PROCEDURAL_HIT_GROUP_KHR;
break;
}
default: TCU_THROW(InternalError, "Unacceptable stage");
}
{
const VkPipelineShaderStageCreateInfo shaderCreateInfo =
{
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
(VkPipelineShaderStageCreateFlags)0, // VkPipelineShaderStageCreateFlags flags;
shaderStage, // VkShaderStageFlagBits stage;
*shaderModule, // VkShaderModule module;
"main", // const char* pName;
DE_NULL, // const VkSpecializationInfo* pSpecializationInfo;
};
m_shaderCreateInfos.push_back(shaderCreateInfo);
}
m_shadersModules.push_back(makeVkSharedPtr(shaderModule));
}
void RayTracingPipeline::addLibrary (de::SharedPtr<de::MovePtr<RayTracingPipeline>> pipelineLibrary)
{
m_pipelineLibraries.push_back(pipelineLibrary);
}
Move<VkPipeline> RayTracingPipeline::createPipelineKHR (const DeviceInterface& vk,
const VkDevice device,
const VkPipelineLayout pipelineLayout,
const std::vector<de::SharedPtr<Move<VkPipeline>>>& pipelineLibraries)
{
for (size_t groupNdx = 0; groupNdx < m_shadersGroupCreateInfos.size(); ++groupNdx)
DE_ASSERT(m_shadersGroupCreateInfos[groupNdx].sType == VK_STRUCTURE_TYPE_RAY_TRACING_SHADER_GROUP_CREATE_INFO_KHR);
DE_ASSERT(m_shaderCreateInfos.size() > 0);
DE_ASSERT(m_shadersGroupCreateInfos.size() > 0);
std::vector<VkPipeline> vkPipelineLibraries;
for (auto it = begin(pipelineLibraries), eit = end(pipelineLibraries); it != eit; ++it)
vkPipelineLibraries.push_back( it->get()->get() );
const VkPipelineLibraryCreateInfoKHR librariesCreateInfo =
{
VK_STRUCTURE_TYPE_PIPELINE_LIBRARY_CREATE_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
deUint32(vkPipelineLibraries.size()), // deUint32 libraryCount;
dataOrNullPtr(vkPipelineLibraries) // VkPipeline* pLibraries;
};
const VkRayTracingPipelineInterfaceCreateInfoKHR pipelineInterfaceCreateInfo =
{
VK_STRUCTURE_TYPE_RAY_TRACING_PIPELINE_INTERFACE_CREATE_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
m_maxPayloadSize, // deUint32 maxPayloadSize;
m_maxAttributeSize, // deUint32 maxAttributeSize;
m_maxCallableSize // deUint32 maxCallableSize;
};
const bool addPipelineInterfaceCreateInfo = m_maxPayloadSize != 0 || m_maxAttributeSize != 0 || m_maxCallableSize != 0;
const VkRayTracingPipelineInterfaceCreateInfoKHR* pipelineInterfaceCreateInfoPtr = addPipelineInterfaceCreateInfo ? &pipelineInterfaceCreateInfo : DE_NULL;
Move<VkDeferredOperationKHR> deferredOperation = (m_deferredOperation ? createDeferredOperationKHR(vk, device) : Move<VkDeferredOperationKHR>());
VkDeferredOperationInfoKHR deferredOperationInfoKHR =
{
VK_STRUCTURE_TYPE_DEFERRED_OPERATION_INFO_KHR, // VkStructureType sType;
DE_NULL, // const void* pNext;
*deferredOperation // VkDeferredOperationKHR operationHandle;
};
const VkDeferredOperationInfoKHR* deferredOperationInfoPtr = m_deferredOperation ? &deferredOperationInfoKHR : DE_NULL;
const VkRayTracingPipelineCreateInfoKHR pipelineCreateInfo =
{
VK_STRUCTURE_TYPE_RAY_TRACING_PIPELINE_CREATE_INFO_KHR, // VkStructureType sType;
deferredOperationInfoPtr, // const void* pNext;
m_pipelineCreateFlags, // VkPipelineCreateFlags flags;
(deUint32)m_shaderCreateInfos.size(), // deUint32 stageCount;
m_shaderCreateInfos.data(), // const VkPipelineShaderStageCreateInfo* pStages;
(deUint32)m_shadersGroupCreateInfos.size(), // deUint32 groupCount;
m_shadersGroupCreateInfos.data(), // const VkRayTracingShaderGroupCreateInfoKHR* pGroups;
m_maxRecursionDepth, // deUint32 maxRecursionDepth;
librariesCreateInfo, // VkPipelineLibraryCreateInfoKHR libraries;
pipelineInterfaceCreateInfoPtr, // VkRayTracingPipelineInterfaceCreateInfoKHR* pLibraryInterface;
pipelineLayout, // VkPipelineLayout layout;
(VkPipeline)DE_NULL, // VkPipeline basePipelineHandle;
0, // deInt32 basePipelineIndex;
};
VkPipeline object = DE_NULL;
VkResult result = vk.createRayTracingPipelinesKHR(device, DE_NULL, 1u, &pipelineCreateInfo, DE_NULL, &object);
Move<VkPipeline> pipeline (check<VkPipeline>(object), Deleter<VkPipeline>(vk, device, DE_NULL));
if (m_deferredOperation)
{
DE_ASSERT(result == VK_OPERATION_DEFERRED_KHR || result == VK_OPERATION_NOT_DEFERRED_KHR || result == VK_SUCCESS);
DE_UNREF(result);
VK_CHECK(finishDeferredOperation(vk, device, *deferredOperation));
}
return pipeline;
}
Move<VkPipeline> RayTracingPipeline::createPipeline (const DeviceInterface& vk,
const VkDevice device,
const VkPipelineLayout pipelineLayout,
const std::vector<de::SharedPtr<Move<VkPipeline>>>& pipelineLibraries)
{
return createPipelineKHR(vk, device, pipelineLayout, pipelineLibraries);
}
std::vector<de::SharedPtr<Move<VkPipeline>>> RayTracingPipeline::createPipelineWithLibraries (const DeviceInterface& vk,
const VkDevice device,
const VkPipelineLayout pipelineLayout)
{
for (size_t groupNdx = 0; groupNdx < m_shadersGroupCreateInfos.size(); ++groupNdx)
DE_ASSERT(m_shadersGroupCreateInfos[groupNdx].sType == VK_STRUCTURE_TYPE_RAY_TRACING_SHADER_GROUP_CREATE_INFO_KHR);
DE_ASSERT(m_shaderCreateInfos.size() > 0);
DE_ASSERT(m_shadersGroupCreateInfos.size() > 0);
std::vector<de::SharedPtr<Move<VkPipeline>>> result, allLibraries, firstLibraries;
for(auto it=begin(m_pipelineLibraries), eit=end(m_pipelineLibraries); it!=eit; ++it)
{
auto childLibraries = (*it)->get()->createPipelineWithLibraries(vk, device, pipelineLayout);
DE_ASSERT(childLibraries.size() > 0);
firstLibraries.push_back(childLibraries[0]);
std::copy(begin(childLibraries), end(childLibraries), std::back_inserter(allLibraries));
}
result.push_back(makeVkSharedPtr(createPipeline(vk, device, pipelineLayout, firstLibraries)));
std::copy(begin(allLibraries), end(allLibraries), std::back_inserter(result));
return result;
}
de::MovePtr<BufferWithMemory> RayTracingPipeline::createShaderBindingTable (const DeviceInterface& vk,
const VkDevice device,
const VkPipeline pipeline,
Allocator& allocator,
const deUint32& shaderGroupHandleSize,
const deUint32 shaderGroupBaseAlignment,
const deUint32& firstGroup,
const deUint32& groupCount,
const VkBufferCreateFlags& additionalBufferCreateFlags,
const VkBufferUsageFlags& additionalBufferUsageFlags,
const MemoryRequirement& additionalMemoryRequirement,
const VkDeviceAddress& opaqueCaptureAddress,
const deUint32 shaderBindingTableOffset,
const deUint32 shaderRecordSize)
{
DE_ASSERT(shaderGroupBaseAlignment != 0u);
DE_ASSERT((shaderBindingTableOffset % shaderGroupBaseAlignment) == 0);
DE_UNREF(shaderGroupBaseAlignment);
const deUint32 sbtSize = shaderBindingTableOffset + groupCount * deAlign32(shaderGroupHandleSize + shaderRecordSize, shaderGroupHandleSize);
const VkBufferUsageFlags sbtFlags = VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_RAY_TRACING_BIT_KHR | additionalBufferUsageFlags;
VkBufferCreateInfo sbtCreateInfo = makeBufferCreateInfo(sbtSize, sbtFlags);
sbtCreateInfo.flags |= additionalBufferCreateFlags;
VkBufferOpaqueCaptureAddressCreateInfo sbtCaptureAddressInfo =
{
VK_STRUCTURE_TYPE_BUFFER_OPAQUE_CAPTURE_ADDRESS_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
deUint64(opaqueCaptureAddress) // deUint64 opaqueCaptureAddress;
};
if (opaqueCaptureAddress != 0u)
sbtCreateInfo.pNext = &sbtCaptureAddressInfo;
const MemoryRequirement sbtMemRequirements = MemoryRequirement::HostVisible | MemoryRequirement::Coherent | additionalMemoryRequirement;
de::MovePtr<BufferWithMemory> sbtBuffer = de::MovePtr<BufferWithMemory>(new BufferWithMemory(vk, device, allocator, sbtCreateInfo, sbtMemRequirements));
vk::Allocation& sbtAlloc = sbtBuffer->getAllocation();
// collect shader group handles
std::vector<deUint8> shaderHandles (groupCount * shaderGroupHandleSize);
VK_CHECK(getRayTracingShaderGroupHandles(vk, device, pipeline, firstGroup, groupCount, groupCount * shaderGroupHandleSize, shaderHandles.data()));
// reserve place for ShaderRecordKHR after each shader handle ( ShaderRecordKHR size might be 0 ). Also take alignment into consideration
deUint8* shaderBegin = (deUint8*)sbtAlloc.getHostPtr() + shaderBindingTableOffset;
for (deUint32 idx = 0; idx < groupCount; ++idx)
{
deUint8* shaderSrcPos = shaderHandles.data() + idx * shaderGroupHandleSize;
deUint8* shaderDstPos = shaderBegin + idx * deAlign32(shaderGroupHandleSize + shaderRecordSize, shaderGroupHandleSize);
deMemcpy(shaderDstPos, shaderSrcPos, shaderGroupHandleSize);
}
flushMappedMemoryRange(vk, device, sbtAlloc.getMemory(), sbtAlloc.getOffset(), VK_WHOLE_SIZE);
return sbtBuffer;
}
void RayTracingPipeline::setCreateFlags (const VkPipelineCreateFlags& pipelineCreateFlags)
{
m_pipelineCreateFlags = pipelineCreateFlags;
}
void RayTracingPipeline::setMaxRecursionDepth (const deUint32& maxRecursionDepth)
{
m_maxRecursionDepth = maxRecursionDepth;
}
void RayTracingPipeline::setMaxPayloadSize (const deUint32& maxPayloadSize)
{
m_maxPayloadSize = maxPayloadSize;
}
void RayTracingPipeline::setMaxAttributeSize (const deUint32& maxAttributeSize)
{
m_maxAttributeSize = maxAttributeSize;
}
void RayTracingPipeline::setMaxCallableSize (const deUint32& maxCallableSize)
{
m_maxCallableSize = maxCallableSize;
}
void RayTracingPipeline::setDeferredOperation (const bool deferredOperation)
{
m_deferredOperation = deferredOperation;
}
class RayTracingPropertiesKHR : public RayTracingProperties
{
public:
RayTracingPropertiesKHR () = delete;
RayTracingPropertiesKHR (const InstanceInterface& vki,
const VkPhysicalDevice physicalDevice);
virtual ~RayTracingPropertiesKHR ();
virtual deUint32 getShaderGroupHandleSize (void) { return m_rayTracingPropertiesKHR.shaderGroupHandleSize; };
virtual deUint32 getMaxRecursionDepth (void) { return m_rayTracingPropertiesKHR.maxRecursionDepth; };
virtual deUint32 getMaxShaderGroupStride (void) { return m_rayTracingPropertiesKHR.maxShaderGroupStride; };
virtual deUint32 getShaderGroupBaseAlignment (void) { return m_rayTracingPropertiesKHR.shaderGroupBaseAlignment; };
virtual deUint64 getMaxGeometryCount (void) { return m_rayTracingPropertiesKHR.maxGeometryCount; };
virtual deUint64 getMaxInstanceCount (void) { return m_rayTracingPropertiesKHR.maxInstanceCount; };
virtual deUint64 getMaxPrimitiveCount (void) { return m_rayTracingPropertiesKHR.maxPrimitiveCount; };
virtual deUint32 getMaxDescriptorSetAccelerationStructures (void) { return m_rayTracingPropertiesKHR.maxDescriptorSetAccelerationStructures; };
protected:
VkPhysicalDeviceRayTracingPropertiesKHR m_rayTracingPropertiesKHR;
};
RayTracingPropertiesKHR::~RayTracingPropertiesKHR ()
{
}
RayTracingPropertiesKHR::RayTracingPropertiesKHR (const InstanceInterface& vki,
const VkPhysicalDevice physicalDevice)
: RayTracingProperties (vki, physicalDevice)
{
m_rayTracingPropertiesKHR = getPhysicalDeviceExtensionProperties(vki, physicalDevice);
}
de::MovePtr<RayTracingProperties> makeRayTracingProperties (const InstanceInterface& vki,
const VkPhysicalDevice physicalDevice)
{
return de::MovePtr<RayTracingProperties>(new RayTracingPropertiesKHR(vki, physicalDevice));
}
static inline void cmdTraceRaysKHR (const DeviceInterface& vk,
VkCommandBuffer commandBuffer,
const VkStridedBufferRegionKHR* raygenShaderBindingTableRegion,
const VkStridedBufferRegionKHR* missShaderBindingTableRegion,
const VkStridedBufferRegionKHR* hitShaderBindingTableRegion,
const VkStridedBufferRegionKHR* callableShaderBindingTableRegion,
deUint32 width,
deUint32 height,
deUint32 depth)
{
return vk.cmdTraceRaysKHR(commandBuffer,
raygenShaderBindingTableRegion,
missShaderBindingTableRegion,
hitShaderBindingTableRegion,
callableShaderBindingTableRegion,
width,
height,
depth);
}
void cmdTraceRays (const DeviceInterface& vk,
VkCommandBuffer commandBuffer,
const VkStridedBufferRegionKHR* raygenShaderBindingTableRegion,
const VkStridedBufferRegionKHR* missShaderBindingTableRegion,
const VkStridedBufferRegionKHR* hitShaderBindingTableRegion,
const VkStridedBufferRegionKHR* callableShaderBindingTableRegion,
deUint32 width,
deUint32 height,
deUint32 depth)
{
DE_ASSERT(raygenShaderBindingTableRegion != DE_NULL);
DE_ASSERT(missShaderBindingTableRegion != DE_NULL);
DE_ASSERT(hitShaderBindingTableRegion != DE_NULL);
DE_ASSERT(callableShaderBindingTableRegion != DE_NULL);
DE_ASSERT(width > 0);
DE_ASSERT(height > 0);
DE_ASSERT(depth > 0);
return cmdTraceRaysKHR(vk,
commandBuffer,
raygenShaderBindingTableRegion,
missShaderBindingTableRegion,
hitShaderBindingTableRegion,
callableShaderBindingTableRegion,
width,
height,
depth);
}
static inline void cmdTraceRaysIndirectKHR (const DeviceInterface& vk,
VkCommandBuffer commandBuffer,
const VkStridedBufferRegionKHR* raygenShaderBindingTableRegion,
const VkStridedBufferRegionKHR* missShaderBindingTableRegion,
const VkStridedBufferRegionKHR* hitShaderBindingTableRegion,
const VkStridedBufferRegionKHR* callableShaderBindingTableRegion,
VkBuffer buffer,
VkDeviceSize offset)
{
DE_ASSERT(raygenShaderBindingTableRegion != DE_NULL);
DE_ASSERT(missShaderBindingTableRegion != DE_NULL);
DE_ASSERT(hitShaderBindingTableRegion != DE_NULL);
DE_ASSERT(callableShaderBindingTableRegion != DE_NULL);
DE_ASSERT(buffer != DE_NULL);
return vk.cmdTraceRaysIndirectKHR(commandBuffer,
raygenShaderBindingTableRegion,
missShaderBindingTableRegion,
hitShaderBindingTableRegion,
callableShaderBindingTableRegion,
buffer,
offset);
}
void cmdTraceRaysIndirect (const DeviceInterface& vk,
VkCommandBuffer commandBuffer,
const VkStridedBufferRegionKHR* raygenShaderBindingTableRegion,
const VkStridedBufferRegionKHR* missShaderBindingTableRegion,
const VkStridedBufferRegionKHR* hitShaderBindingTableRegion,
const VkStridedBufferRegionKHR* callableShaderBindingTableRegion,
VkBuffer buffer,
VkDeviceSize offset)
{
return cmdTraceRaysIndirectKHR(vk,
commandBuffer,
raygenShaderBindingTableRegion,
missShaderBindingTableRegion,
hitShaderBindingTableRegion,
callableShaderBindingTableRegion,
buffer,
offset);
}
} // vk