67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
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#include "RayTracing.h"
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#include "Buffer.h"
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#include "Graphics/Initializer.h"
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#include <vulkan/vulkan_core.h>
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using namespace Seele::Vulkan;
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BottomLevelAS::BottomLevelAS(PGraphics graphics, const Gfx::BottomLevelASCreateInfo& createInfo)
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{
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VkDeviceOrHostAddressConstKHR vertexDataDeviceAddress = {
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.deviceAddress = createInfo.positionBuffer.cast<Buffer>()->getDeviceAddress() + createInfo.verticesOffset,
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};
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VkDeviceOrHostAddressConstKHR indexDataDeviceAddress = {
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.deviceAddress = createInfo.indexBuffer.cast<Buffer>()->getDeviceAddress() + createInfo.indicesOffset,
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};
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VkAccelerationStructureGeometryKHR accelerationStructureGeometry = {
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.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_KHR,
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.pNext = nullptr,
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.geometryType = VK_GEOMETRY_TYPE_TRIANGLES_KHR,
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.geometry = {.triangles = {
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.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_TRIANGLES_DATA_KHR,
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.pNext = nullptr,
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.vertexFormat = VK_FORMAT_R32G32B32_SFLOAT,
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.vertexData = vertexDataDeviceAddress,
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.vertexStride = sizeof(Vector),
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.maxVertex = createInfo.positionBuffer->getNumElements(),
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.indexType = VK_INDEX_TYPE_UINT32,
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.indexData = indexDataDeviceAddress,
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}},
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.flags = VK_GEOMETRY_OPAQUE_BIT_KHR,
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};
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VkAccelerationStructureBuildRangeInfoKHR buildRangeInfo = {
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.primitiveCount = createInfo.meshData.numIndices / 3,
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.primitiveOffset = 0,
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.firstVertex = 0,
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.transformOffset = 0
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};
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VkAccelerationStructureBuildGeometryInfoKHR buildGeometry = {
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.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_BUILD_GEOMETRY_INFO_KHR,
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.pNext = nullptr,
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.type = VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR,
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.flags = VK_BUILD_ACCELERATION_STRUCTURE_PREFER_FAST_TRACE_BIT_KHR,
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};
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VkAccelerationStructureCreateInfoKHR info = {
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.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_CREATE_INFO_KHR,
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.pNext = nullptr,
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.createFlags = 0,
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};
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}
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BottomLevelAS::~BottomLevelAS()
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{
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}
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TopLevelAS::TopLevelAS(PGraphics graphics, const Gfx::TopLevelASCreateInfo& createInfo)
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{
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}
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TopLevelAS::~TopLevelAS()
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{
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}
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