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Adapting to buildTlas changes, fix validation warnings, members initializations

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This commit is contained in:
mklefrancois 2021-08-23 13:45:20 +02:00
parent d66243800c
commit 1c9be00cec
26 changed files with 197 additions and 176 deletions
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13
ray_tracing_manyhits/hello_vulkan.cpp
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@ -666,16 +666,17 @@ void HelloVulkan::createBottomLevelAS()
void HelloVulkan::createTopLevelAS()
{
std::vector<nvvk::RaytracingBuilderKHR::Instance> tlas;
std::vector<VkAccelerationStructureInstanceKHR> tlas;
tlas.reserve(m_objInstance.size());
for(uint32_t i = 0; i < static_cast<uint32_t>(m_objInstance.size()); i++)
{
nvvk::RaytracingBuilderKHR::Instance rayInst;
rayInst.transform = m_objInstance[i].transform; // Position of the instance
rayInst.instanceCustomId = i; // gl_InstanceCustomIndexEXT
rayInst.blasId = m_objInstance[i].objIndex;
rayInst.hitGroupId = m_objInstance[i].hitgroup; // Using the hit group set in main
VkAccelerationStructureInstanceKHR rayInst;
rayInst.transform = nvvk::toTransformMatrixKHR(m_objInstance[i].transform); // Position of the instance
rayInst.instanceCustomIndex = i; // gl_InstanceCustomIndexEXT
rayInst.accelerationStructureReference = m_rtBuilder.getBlasDeviceAddress(m_objInstance[i].objIndex);
rayInst.instanceShaderBindingTableRecordOffset = m_objInstance[i].hitgroup; // Using the hit group set in main
rayInst.flags = VK_GEOMETRY_INSTANCE_TRIANGLE_FACING_CULL_DISABLE_BIT_KHR;
rayInst.mask = 0xFF;
tlas.emplace_back(rayInst);
}
m_rtBuilder.buildTlas(tlas, VK_BUILD_ACCELERATION_STRUCTURE_PREFER_FAST_TRACE_BIT_KHR);