Using buffer reference instead of un-sized array
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mklefrancois
parent
e3a57e6d63
commit
c8a0122dd6
248 changed files with 2593 additions and 2660 deletions
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@ -35,6 +35,7 @@
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#include "nvvk/pipeline_vk.hpp"
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#include "nvvk/renderpasses_vk.hpp"
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#include "nvvk/shaders_vk.hpp"
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#include "nvvk/buffers_vk.hpp"
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extern std::vector<std::string> defaultSearchPaths;
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@ -113,26 +114,15 @@ void HelloVulkan::updateUniformBuffer(const VkCommandBuffer& cmdBuf)
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void HelloVulkan::createDescriptorSetLayout()
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{
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auto nbTxt = static_cast<uint32_t>(m_textures.size());
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auto nbObj = static_cast<uint32_t>(m_objModel.size());
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// Camera matrices (binding = 0)
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m_descSetLayoutBind.addBinding(0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_RAYGEN_BIT_KHR);
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// Materials (binding = 1)
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m_descSetLayoutBind.addBinding(1, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, nbObj,
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// Scene description (binding = 1)
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m_descSetLayoutBind.addBinding(1, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1,
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VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT | VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR);
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// Scene description (binding = 2)
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m_descSetLayoutBind.addBinding(2, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1,
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VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT | VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR);
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// Textures (binding = 3)
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m_descSetLayoutBind.addBinding(3, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, nbTxt,
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// Textures (binding = 2)
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m_descSetLayoutBind.addBinding(2, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, nbTxt,
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VK_SHADER_STAGE_FRAGMENT_BIT | VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR);
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// Materials (binding = 4)
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m_descSetLayoutBind.addBinding(4, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, nbObj,
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VK_SHADER_STAGE_FRAGMENT_BIT | VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR);
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// Storing vertices (binding = 5)
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m_descSetLayoutBind.addBinding(5, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, nbObj, VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR);
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// Storing indices (binding = 6)
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m_descSetLayoutBind.addBinding(6, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, nbObj, VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR);
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m_descSetLayout = m_descSetLayoutBind.createLayout(m_device);
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@ -150,25 +140,9 @@ void HelloVulkan::updateDescriptorSet()
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// Camera matrices and scene description
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VkDescriptorBufferInfo dbiUnif{m_cameraMat.buffer, 0, VK_WHOLE_SIZE};
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writes.emplace_back(m_descSetLayoutBind.makeWrite(m_descSet, 0, &dbiUnif));
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VkDescriptorBufferInfo dbiSceneDesc{m_sceneDesc.buffer, 0, VK_WHOLE_SIZE};
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writes.emplace_back(m_descSetLayoutBind.makeWrite(m_descSet, 2, &dbiSceneDesc));
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// All material buffers, 1 buffer per OBJ
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std::vector<VkDescriptorBufferInfo> dbiMat;
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std::vector<VkDescriptorBufferInfo> dbiMatIdx;
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std::vector<VkDescriptorBufferInfo> dbiVert;
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std::vector<VkDescriptorBufferInfo> dbiIdx;
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for(auto& m : m_objModel)
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{
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dbiMat.push_back({m.matColorBuffer.buffer, 0, VK_WHOLE_SIZE});
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dbiMatIdx.push_back({m.matIndexBuffer.buffer, 0, VK_WHOLE_SIZE});
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dbiVert.push_back({m.vertexBuffer.buffer, 0, VK_WHOLE_SIZE});
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dbiIdx.push_back({m.indexBuffer.buffer, 0, VK_WHOLE_SIZE});
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}
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writes.emplace_back(m_descSetLayoutBind.makeWriteArray(m_descSet, 1, dbiMat.data()));
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writes.emplace_back(m_descSetLayoutBind.makeWriteArray(m_descSet, 4, dbiMatIdx.data()));
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writes.emplace_back(m_descSetLayoutBind.makeWriteArray(m_descSet, 5, dbiVert.data()));
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writes.emplace_back(m_descSetLayoutBind.makeWriteArray(m_descSet, 6, dbiIdx.data()));
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VkDescriptorBufferInfo dbiSceneDesc{m_sceneDesc.buffer, 0, VK_WHOLE_SIZE};
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writes.emplace_back(m_descSetLayoutBind.makeWrite(m_descSet, 1, &dbiSceneDesc));
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// All texture samplers
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std::vector<VkDescriptorImageInfo> diit;
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@ -176,7 +150,7 @@ void HelloVulkan::updateDescriptorSet()
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{
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diit.emplace_back(texture.descriptor);
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}
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writes.emplace_back(m_descSetLayoutBind.makeWriteArray(m_descSet, 3, diit.data()));
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writes.emplace_back(m_descSetLayoutBind.makeWriteArray(m_descSet, 2, diit.data()));
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// Writing the information
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vkUpdateDescriptorSets(m_device, static_cast<uint32_t>(writes.size()), writes.data(), 0, nullptr);
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@ -234,36 +208,42 @@ void HelloVulkan::loadModel(const std::string& filename, nvmath::mat4f transform
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m.specular = nvmath::pow(m.specular, 2.2f);
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}
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ObjInstance instance;
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instance.objIndex = static_cast<uint32_t>(m_objModel.size());
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instance.transform = transform;
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instance.transformIT = nvmath::transpose(nvmath::invert(transform));
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instance.txtOffset = static_cast<uint32_t>(m_textures.size());
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ObjModel model;
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model.nbIndices = static_cast<uint32_t>(loader.m_indices.size());
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model.nbVertices = static_cast<uint32_t>(loader.m_vertices.size());
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// Create the buffers on Device and copy vertices, indices and materials
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nvvk::CommandPool cmdBufGet(m_device, m_graphicsQueueIndex);
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VkCommandBuffer cmdBuf = cmdBufGet.createCommandBuffer();
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VkBufferUsageFlags rtUsage = VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT
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| VK_BUFFER_USAGE_ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_BIT_KHR;
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model.vertexBuffer = m_alloc.createBuffer(cmdBuf, loader.m_vertices, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | rtUsage);
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model.indexBuffer = m_alloc.createBuffer(cmdBuf, loader.m_indices, VK_BUFFER_USAGE_INDEX_BUFFER_BIT | rtUsage);
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model.matColorBuffer = m_alloc.createBuffer(cmdBuf, loader.m_materials, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT);
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model.matIndexBuffer = m_alloc.createBuffer(cmdBuf, loader.m_matIndx, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT);
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VkCommandBuffer cmdBuf = cmdBufGet.createCommandBuffer();
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VkBufferUsageFlags flag = VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT;
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VkBufferUsageFlags rayTracingFlags = // used also for building acceleration structures
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flag | VK_BUFFER_USAGE_ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_BIT_KHR | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT;
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model.vertexBuffer = m_alloc.createBuffer(cmdBuf, loader.m_vertices, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | rayTracingFlags);
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model.indexBuffer = m_alloc.createBuffer(cmdBuf, loader.m_indices, VK_BUFFER_USAGE_INDEX_BUFFER_BIT | rayTracingFlags);
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model.matColorBuffer = m_alloc.createBuffer(cmdBuf, loader.m_materials, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | flag);
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model.matIndexBuffer = m_alloc.createBuffer(cmdBuf, loader.m_matIndx, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | flag);
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// Creates all textures found
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uint32_t txtOffset = static_cast<uint32_t>(m_textures.size());
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createTextureImages(cmdBuf, loader.m_textures);
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cmdBufGet.submitAndWait(cmdBuf);
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m_alloc.finalizeAndReleaseStaging();
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std::string objNb = std::to_string(instance.objIndex);
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std::string objNb = std::to_string(m_objModel.size());
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m_debug.setObjectName(model.vertexBuffer.buffer, (std::string("vertex_" + objNb).c_str()));
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m_debug.setObjectName(model.indexBuffer.buffer, (std::string("index_" + objNb).c_str()));
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m_debug.setObjectName(model.matColorBuffer.buffer, (std::string("mat_" + objNb).c_str()));
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m_debug.setObjectName(model.matIndexBuffer.buffer, (std::string("matIdx_" + objNb).c_str()));
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ObjInstance instance;
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instance.objIndex = static_cast<uint32_t>(m_objModel.size());
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instance.transform = transform;
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instance.transformIT = nvmath::transpose(nvmath::invert(transform));
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instance.txtOffset = txtOffset;
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instance.vertices = nvvk::getBufferDeviceAddress(m_device, model.vertexBuffer.buffer);
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instance.indices = nvvk::getBufferDeviceAddress(m_device, model.indexBuffer.buffer);
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instance.materials = nvvk::getBufferDeviceAddress(m_device, model.matColorBuffer.buffer);
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instance.materialIndices = nvvk::getBufferDeviceAddress(m_device, model.matIndexBuffer.buffer);
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m_objModel.emplace_back(model);
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m_objInstance.emplace_back(instance);
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}
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@ -625,11 +605,8 @@ void HelloVulkan::initRayTracing()
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auto HelloVulkan::objectToVkGeometryKHR(const ObjModel& model)
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{
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// BLAS builder requires raw device addresses.
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VkBufferDeviceAddressInfo info{VK_STRUCTURE_TYPE_BUFFER_DEVICE_ADDRESS_INFO};
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info.buffer = model.vertexBuffer.buffer;
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VkDeviceAddress vertexAddress = vkGetBufferDeviceAddress(m_device, &info);
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info.buffer = model.indexBuffer.buffer;
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VkDeviceAddress indexAddress = vkGetBufferDeviceAddress(m_device, &info);
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VkDeviceAddress vertexAddress = nvvk::getBufferDeviceAddress(m_device, model.vertexBuffer.buffer);
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VkDeviceAddress indexAddress = nvvk::getBufferDeviceAddress(m_device, model.indexBuffer.buffer);
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uint32_t maxPrimitiveCount = model.nbIndices / 3;
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@ -928,9 +905,7 @@ void HelloVulkan::raytrace(const VkCommandBuffer& cmdBuf, const nvmath::vec4f& c
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uint32_t groupSize = nvh::align_up(m_rtProperties.shaderGroupHandleSize, m_rtProperties.shaderGroupBaseAlignment);
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uint32_t groupStride = groupSize;
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VkBufferDeviceAddressInfo info{VK_STRUCTURE_TYPE_BUFFER_DEVICE_ADDRESS_INFO};
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info.buffer = m_rtSBTBuffer.buffer;
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VkDeviceAddress sbtAddress = vkGetBufferDeviceAddress(m_device, &info);
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VkDeviceAddress sbtAddress = nvvk::getBufferDeviceAddress(m_device, m_rtSBTBuffer.buffer);
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using Stride = VkStridedDeviceAddressRegionKHR;
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std::array<Stride, 4> strideAddresses{Stride{sbtAddress + 0u * groupSize, groupStride, groupSize * 1}, // raygen
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