framework update 4/29/2020
This commit is contained in:
Christoph Kubisch
parent
21fc655237
commit
60103dd1ce
62 changed files with 2931 additions and 2743 deletions
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@ -35,14 +35,14 @@ extern std::vector<std::string> defaultSearchPaths;
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#include "obj_loader.h"
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#include "hello_vulkan.h"
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#include "nvh//cameramanipulator.hpp"
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#include "nvvkpp/descriptorsets_vkpp.hpp"
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#include "nvvkpp/pipeline_vkpp.hpp"
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#include "nvh/cameramanipulator.hpp"
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#include "nvh/fileoperations.hpp"
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#include "nvvkpp/commands_vkpp.hpp"
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#include "nvvkpp/renderpass_vkpp.hpp"
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#include "nvvkpp/utilities_vkpp.hpp"
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#include "nvvk/commands_vk.hpp"
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#include "nvvk/descriptorsets_vk.hpp"
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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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// Holding the camera matrices
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struct CameraMatrices
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@ -58,11 +58,12 @@ struct CameraMatrices
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// Keep the handle on the device
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// Initialize the tool to do all our allocations: buffers, images
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//
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void HelloVulkan::setup(const vk::Device& device,
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void HelloVulkan::setup(const vk::Instance& instance,
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const vk::Device& device,
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const vk::PhysicalDevice& physicalDevice,
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uint32_t queueFamily)
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{
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AppBase::setup(device, physicalDevice, queueFamily);
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AppBase::setup(instance, device, physicalDevice, queueFamily);
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m_alloc.init(device, physicalDevice);
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m_debug.setup(m_device);
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}
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@ -99,31 +100,31 @@ void HelloVulkan::createDescriptorSetLayout()
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uint32_t nbObj = static_cast<uint32_t>(m_objModel.size());
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// Camera matrices (binding = 0)
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m_descSetLayoutBind.emplace_back(
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m_descSetLayoutBind.addBinding(
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vkDS(0, vkDT::eUniformBuffer, 1, vkSS::eVertex | vkSS::eRaygenKHR));
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// Materials (binding = 1)
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m_descSetLayoutBind.emplace_back(
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m_descSetLayoutBind.addBinding(
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vkDS(1, vkDT::eStorageBuffer, nbObj, vkSS::eVertex | vkSS::eFragment | vkSS::eClosestHitKHR));
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// Scene description (binding = 2)
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m_descSetLayoutBind.emplace_back( //
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m_descSetLayoutBind.addBinding( //
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vkDS(2, vkDT::eStorageBuffer, 1, vkSS::eVertex | vkSS::eFragment | vkSS::eClosestHitKHR));
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// Textures (binding = 3)
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m_descSetLayoutBind.emplace_back(
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m_descSetLayoutBind.addBinding(
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vkDS(3, vkDT::eCombinedImageSampler, nbTxt, vkSS::eFragment | vkSS::eClosestHitKHR));
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// Materials (binding = 4)
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m_descSetLayoutBind.emplace_back(
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m_descSetLayoutBind.addBinding(
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vkDS(4, vkDT::eStorageBuffer, nbObj, vkSS::eFragment | vkSS::eClosestHitKHR));
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// Storing vertices (binding = 5)
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m_descSetLayoutBind.emplace_back( //
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m_descSetLayoutBind.addBinding( //
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vkDS(5, vkDT::eStorageBuffer, nbObj, vkSS::eClosestHitKHR));
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// Storing indices (binding = 6)
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m_descSetLayoutBind.emplace_back( //
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m_descSetLayoutBind.addBinding( //
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vkDS(6, vkDT::eStorageBuffer, nbObj, vkSS::eClosestHitKHR));
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m_descSetLayout = nvvkpp::util::createDescriptorSetLayout(m_device, m_descSetLayoutBind);
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m_descPool = nvvkpp::util::createDescriptorPool(m_device, m_descSetLayoutBind, 1);
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m_descSet = nvvkpp::util::createDescriptorSet(m_device, m_descPool, m_descSetLayout);
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m_descSetLayout = m_descSetLayoutBind.createLayout(m_device);
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m_descPool = m_descSetLayoutBind.createPool(m_device, 1);
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m_descSet = nvvk::allocateDescriptorSet(m_device, m_descPool, m_descSetLayout);
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}
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//--------------------------------------------------------------------------------------------------
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@ -135,27 +136,26 @@ void HelloVulkan::updateDescriptorSet()
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// Camera matrices and scene description
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vk::DescriptorBufferInfo dbiUnif{m_cameraMat.buffer, 0, VK_WHOLE_SIZE};
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writes.emplace_back(nvvkpp::util::createWrite(m_descSet, m_descSetLayoutBind[0], &dbiUnif));
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writes.emplace_back(m_descSetLayoutBind.makeWrite(m_descSet, 0, &dbiUnif));
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vk::DescriptorBufferInfo dbiSceneDesc{m_sceneDesc.buffer, 0, VK_WHOLE_SIZE};
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writes.emplace_back(nvvkpp::util::createWrite(m_descSet, m_descSetLayoutBind[2], &dbiSceneDesc));
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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<vk::DescriptorBufferInfo> dbiMat;
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std::vector<vk::DescriptorBufferInfo> dbiMatIdx;
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std::vector<vk::DescriptorBufferInfo> dbiVert;
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std::vector<vk::DescriptorBufferInfo> dbiIdx;
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for(auto& obj : m_objModel)
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for(size_t i = 0; i < m_objModel.size(); ++i)
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{
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dbiMat.emplace_back(obj.matColorBuffer.buffer, 0, VK_WHOLE_SIZE);
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dbiMatIdx.emplace_back(obj.matIndexBuffer.buffer, 0, VK_WHOLE_SIZE);
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dbiVert.emplace_back(obj.vertexBuffer.buffer, 0, VK_WHOLE_SIZE);
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dbiIdx.emplace_back(obj.indexBuffer.buffer, 0, VK_WHOLE_SIZE);
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dbiMat.push_back({m_objModel[i].matColorBuffer.buffer, 0, VK_WHOLE_SIZE});
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dbiMatIdx.push_back({m_objModel[i].matIndexBuffer.buffer, 0, VK_WHOLE_SIZE});
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dbiVert.push_back({m_objModel[i].vertexBuffer.buffer, 0, VK_WHOLE_SIZE});
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dbiIdx.push_back({m_objModel[i].indexBuffer.buffer, 0, VK_WHOLE_SIZE});
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}
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writes.emplace_back(nvvkpp::util::createWrite(m_descSet, m_descSetLayoutBind[1], dbiMat.data()));
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writes.emplace_back(
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nvvkpp::util::createWrite(m_descSet, m_descSetLayoutBind[4], dbiMatIdx.data()));
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writes.emplace_back(nvvkpp::util::createWrite(m_descSet, m_descSetLayoutBind[5], dbiVert.data()));
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writes.emplace_back(nvvkpp::util::createWrite(m_descSet, m_descSetLayoutBind[6], dbiIdx.data()));
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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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// All texture samplers
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std::vector<vk::DescriptorImageInfo> diit;
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@ -163,7 +163,7 @@ void HelloVulkan::updateDescriptorSet()
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{
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diit.push_back(texture.descriptor);
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}
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writes.emplace_back(nvvkpp::util::createWrite(m_descSet, m_descSetLayoutBind[3], diit.data()));
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writes.emplace_back(m_descSetLayoutBind.makeWriteArray(m_descSet, 3, diit.data()));
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// Writing the information
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m_device.updateDescriptorSets(static_cast<uint32_t>(writes.size()), writes.data(), 0, nullptr);
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@ -189,19 +189,19 @@ void HelloVulkan::createGraphicsPipeline()
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m_pipelineLayout = m_device.createPipelineLayout(pipelineLayoutCreateInfo);
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// Creating the Pipeline
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std::vector<std::string> paths = defaultSearchPaths;
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nvvkpp::GraphicsPipelineGenerator gpb(m_device, m_pipelineLayout, m_offscreenRenderPass);
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gpb.depthStencilState = {true};
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std::vector<std::string> paths = defaultSearchPaths;
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nvvk::GraphicsPipelineGeneratorCombined gpb(m_device, m_pipelineLayout, m_offscreenRenderPass);
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gpb.depthStencilState.depthTestEnable = true;
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gpb.addShader(nvh::loadFile("shaders/vert_shader.vert.spv", true, paths), vkSS::eVertex);
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gpb.addShader(nvh::loadFile("shaders/frag_shader.frag.spv", true, paths), vkSS::eFragment);
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gpb.vertexInputState.bindingDescriptions = {{0, sizeof(VertexObj)}};
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gpb.vertexInputState.attributeDescriptions = {
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gpb.addBindingDescription({0, sizeof(VertexObj)});
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gpb.addAttributeDescriptions(std::vector<vk::VertexInputAttributeDescription>{
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{0, 0, vk::Format::eR32G32B32Sfloat, offsetof(VertexObj, pos)},
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{1, 0, vk::Format::eR32G32B32Sfloat, offsetof(VertexObj, nrm)},
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{2, 0, vk::Format::eR32G32B32Sfloat, offsetof(VertexObj, color)},
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{3, 0, vk::Format::eR32G32Sfloat, offsetof(VertexObj, texCoord)}};
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{3, 0, vk::Format::eR32G32Sfloat, offsetof(VertexObj, texCoord)}});
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m_graphicsPipeline = gpb.create();
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m_graphicsPipeline = gpb.createPipeline();
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m_debug.setObjectName(m_graphicsPipeline, "Graphics");
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}
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@ -234,8 +234,8 @@ void HelloVulkan::loadModel(const std::string& filename, nvmath::mat4f transform
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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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nvvkpp::SingleCommandBuffer cmdBufGet(m_device, m_graphicsQueueIndex);
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vk::CommandBuffer cmdBuf = cmdBufGet.createCommandBuffer();
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nvvk::CommandPool cmdBufGet(m_device, m_graphicsQueueIndex);
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vk::CommandBuffer cmdBuf = cmdBufGet.createCommandBuffer();
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model.vertexBuffer =
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m_alloc.createBuffer(cmdBuf, loader.m_vertices,
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vkBU::eVertexBuffer | vkBU::eStorageBuffer | vkBU::eShaderDeviceAddress);
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@ -246,8 +246,8 @@ void HelloVulkan::loadModel(const std::string& filename, nvmath::mat4f transform
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model.matIndexBuffer = m_alloc.createBuffer(cmdBuf, loader.m_matIndx, vkBU::eStorageBuffer);
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// Creates all textures found
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createTextureImages(cmdBuf, loader.m_textures);
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cmdBufGet.flushCommandBuffer(cmdBuf);
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m_alloc.flushStaging();
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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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m_debug.setObjectName(model.vertexBuffer.buffer, (std::string("vertex_" + objNb).c_str()));
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@ -282,12 +282,12 @@ void HelloVulkan::createUniformBuffer()
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void HelloVulkan::createSceneDescriptionBuffer()
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{
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using vkBU = vk::BufferUsageFlagBits;
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nvvkpp::SingleCommandBuffer cmdGen(m_device, m_graphicsQueueIndex);
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nvvk::CommandPool cmdGen(m_device, m_graphicsQueueIndex);
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auto cmdBuf = cmdGen.createCommandBuffer();
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m_sceneDesc = m_alloc.createBuffer(cmdBuf, m_objInstance, vkBU::eStorageBuffer);
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cmdGen.flushCommandBuffer(cmdBuf);
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m_alloc.flushStaging();
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cmdGen.submitAndWait(cmdBuf);
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m_alloc.finalizeAndReleaseStaging();
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m_debug.setObjectName(m_sceneDesc.buffer, "sceneDesc");
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}
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@ -307,21 +307,21 @@ void HelloVulkan::createTextureImages(const vk::CommandBuffer& cmdBuf,
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// If no textures are present, create a dummy one to accommodate the pipeline layout
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if(textures.empty() && m_textures.empty())
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{
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nvvkTexture texture;
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nvvk::Texture texture;
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std::array<uint8_t, 4> color{255u, 255u, 255u, 255u};
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vk::DeviceSize bufferSize = sizeof(color);
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auto imgSize = vk::Extent2D(1, 1);
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auto imageCreateInfo = nvvkpp::image::create2DInfo(imgSize, format);
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auto imageCreateInfo = nvvk::makeImage2DCreateInfo(imgSize, format);
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// Creating the dummy texure
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nvvk::Image image = m_alloc.createImage(cmdBuf, bufferSize, color.data(), imageCreateInfo);
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vk::ImageViewCreateInfo ivInfo = nvvk::makeImageViewCreateInfo(image.image, imageCreateInfo);
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texture = m_alloc.createTexture(image, ivInfo, samplerCreateInfo);
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// Creating the VKImage
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texture = m_alloc.createImage(cmdBuf, bufferSize, color.data(), imageCreateInfo);
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// Setting up the descriptor used by the shader
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texture.descriptor =
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nvvkpp::image::create2DDescriptor(m_device, texture.image, samplerCreateInfo, format);
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// The image format must be in VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL
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nvvkpp::image::setImageLayout(cmdBuf, texture.image, vk::ImageLayout::eUndefined,
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vk::ImageLayout::eShaderReadOnlyOptimal);
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nvvk::cmdBarrierImageLayout(cmdBuf, texture.image, vk::ImageLayout::eUndefined,
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vk::ImageLayout::eShaderReadOnlyOptimal);
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m_textures.push_back(texture);
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}
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else
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@ -348,16 +348,16 @@ void HelloVulkan::createTextureImages(const vk::CommandBuffer& cmdBuf,
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vk::DeviceSize bufferSize = static_cast<uint64_t>(texWidth) * texHeight * sizeof(uint8_t) * 4;
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auto imgSize = vk::Extent2D(texWidth, texHeight);
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auto imageCreateInfo = nvvkpp::image::create2DInfo(imgSize, format, vkIU::eSampled, true);
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auto imageCreateInfo = nvvk::makeImage2DCreateInfo(imgSize, format, vkIU::eSampled, true);
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{
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nvvkTexture texture;
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texture = m_alloc.createImage(cmdBuf, bufferSize, pixels, imageCreateInfo);
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nvvk::ImageDedicated image =
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m_alloc.createImage(cmdBuf, bufferSize, pixels, imageCreateInfo);
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nvvk::cmdGenerateMipmaps(cmdBuf, image.image, format, imgSize, imageCreateInfo.mipLevels);
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vk::ImageViewCreateInfo ivInfo =
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nvvk::makeImageViewCreateInfo(image.image, imageCreateInfo);
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nvvk::Texture texture = m_alloc.createTexture(image, ivInfo, samplerCreateInfo);
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nvvkpp::image::generateMipmaps(cmdBuf, texture.image, format, imgSize,
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imageCreateInfo.mipLevels);
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texture.descriptor =
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nvvkpp::image::create2DDescriptor(m_device, texture.image, samplerCreateInfo, format);
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m_textures.push_back(texture);
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}
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}
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@ -434,7 +434,7 @@ void HelloVulkan::rasterize(const vk::CommandBuffer& cmdBuf)
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cmdBuf.pushConstants<ObjPushConstant>(m_pipelineLayout, vkSS::eVertex | vkSS::eFragment, 0,
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m_pushConstant);
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cmdBuf.bindVertexBuffers(0, 1, &model.vertexBuffer.buffer, &offset);
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cmdBuf.bindVertexBuffers(0, {model.vertexBuffer.buffer}, {offset});
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cmdBuf.bindIndexBuffer(model.indexBuffer.buffer, 0, vk::IndexType::eUint32);
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cmdBuf.drawIndexed(model.nbIndices, 1, 0, 0, 0);
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}
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@ -464,49 +464,54 @@ void HelloVulkan::createOffscreenRender()
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m_alloc.destroy(m_offscreenDepth);
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// Creating the color image
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auto colorCreateInfo = nvvkpp::image::create2DInfo(m_size, m_offscreenColorFormat,
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vk::ImageUsageFlagBits::eColorAttachment
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| vk::ImageUsageFlagBits::eSampled
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| vk::ImageUsageFlagBits::eStorage);
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m_offscreenColor = m_alloc.createImage(colorCreateInfo);
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{
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auto colorCreateInfo = nvvk::makeImage2DCreateInfo(m_size, m_offscreenColorFormat,
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vk::ImageUsageFlagBits::eColorAttachment
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| vk::ImageUsageFlagBits::eSampled
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| vk::ImageUsageFlagBits::eStorage);
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m_offscreenColor.descriptor =
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nvvkpp::image::create2DDescriptor(m_device, m_offscreenColor.image, vk::SamplerCreateInfo{},
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m_offscreenColorFormat, vk::ImageLayout::eGeneral);
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nvvk::Image image = m_alloc.createImage(colorCreateInfo);
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vk::ImageViewCreateInfo ivInfo = nvvk::makeImageViewCreateInfo(image.image, colorCreateInfo);
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m_offscreenColor = m_alloc.createTexture(image, ivInfo, vk::SamplerCreateInfo());
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m_offscreenColor.descriptor.imageLayout = VK_IMAGE_LAYOUT_GENERAL;
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}
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// Creating the depth buffer
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auto depthCreateInfo =
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nvvkpp::image::create2DInfo(m_size, m_offscreenDepthFormat,
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nvvk::makeImage2DCreateInfo(m_size, m_offscreenDepthFormat,
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vk::ImageUsageFlagBits::eDepthStencilAttachment);
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m_offscreenDepth = m_alloc.createImage(depthCreateInfo);
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{
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nvvk::Image image = m_alloc.createImage(depthCreateInfo);
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vk::ImageViewCreateInfo depthStencilView;
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depthStencilView.setViewType(vk::ImageViewType::e2D);
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depthStencilView.setFormat(m_offscreenDepthFormat);
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depthStencilView.setSubresourceRange({vk::ImageAspectFlagBits::eDepth, 0, 1, 0, 1});
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depthStencilView.setImage(m_offscreenDepth.image);
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m_offscreenDepth.descriptor.imageView = m_device.createImageView(depthStencilView);
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vk::ImageViewCreateInfo depthStencilView;
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depthStencilView.setViewType(vk::ImageViewType::e2D);
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depthStencilView.setFormat(m_offscreenDepthFormat);
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depthStencilView.setSubresourceRange({vk::ImageAspectFlagBits::eDepth, 0, 1, 0, 1});
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depthStencilView.setImage(image.image);
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m_offscreenDepth = m_alloc.createTexture(image, depthStencilView);
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}
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// Setting the image layout for both color and depth
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{
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nvvkpp::SingleCommandBuffer genCmdBuf(m_device, m_graphicsQueueIndex);
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auto cmdBuf = genCmdBuf.createCommandBuffer();
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nvvkpp::image::setImageLayout(cmdBuf, m_offscreenColor.image, vk::ImageLayout::eUndefined,
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vk::ImageLayout::eGeneral);
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nvvkpp::image::setImageLayout(cmdBuf, m_offscreenDepth.image, vk::ImageAspectFlagBits::eDepth,
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vk::ImageLayout::eUndefined,
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vk::ImageLayout::eDepthStencilAttachmentOptimal);
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nvvk::CommandPool genCmdBuf(m_device, m_graphicsQueueIndex);
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auto cmdBuf = genCmdBuf.createCommandBuffer();
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nvvk::cmdBarrierImageLayout(cmdBuf, m_offscreenColor.image, vk::ImageLayout::eUndefined,
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vk::ImageLayout::eGeneral);
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nvvk::cmdBarrierImageLayout(cmdBuf, m_offscreenDepth.image, vk::ImageLayout::eUndefined,
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vk::ImageLayout::eDepthStencilAttachmentOptimal,
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vk::ImageAspectFlagBits::eDepth);
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genCmdBuf.flushCommandBuffer(cmdBuf);
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genCmdBuf.submitAndWait(cmdBuf);
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}
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// Creating a renderpass for the offscreen
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if(!m_offscreenRenderPass)
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{
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m_offscreenRenderPass =
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nvvkpp::util::createRenderPass(m_device, {m_offscreenColorFormat}, m_offscreenDepthFormat,
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1, true, true, vk::ImageLayout::eGeneral,
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vk::ImageLayout::eGeneral);
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nvvk::createRenderPass(m_device, {m_offscreenColorFormat}, m_offscreenDepthFormat, 1, true,
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true, vk::ImageLayout::eGeneral, vk::ImageLayout::eGeneral);
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}
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// Creating the frame buffer for offscreen
|
||||
|
|
@ -543,13 +548,14 @@ void HelloVulkan::createPostPipeline()
|
|||
// Pipeline: completely generic, no vertices
|
||||
std::vector<std::string> paths = defaultSearchPaths;
|
||||
|
||||
nvvkpp::GraphicsPipelineGenerator pipelineGenerator(m_device, m_postPipelineLayout, m_renderPass);
|
||||
nvvk::GraphicsPipelineGeneratorCombined pipelineGenerator(m_device, m_postPipelineLayout,
|
||||
m_renderPass);
|
||||
pipelineGenerator.addShader(nvh::loadFile("shaders/passthrough.vert.spv", true, paths),
|
||||
vk::ShaderStageFlagBits::eVertex);
|
||||
pipelineGenerator.addShader(nvh::loadFile("shaders/post.frag.spv", true, paths),
|
||||
vk::ShaderStageFlagBits::eFragment);
|
||||
pipelineGenerator.rasterizationState.setCullMode(vk::CullModeFlagBits::eNone);
|
||||
m_postPipeline = pipelineGenerator.create();
|
||||
m_postPipeline = pipelineGenerator.createPipeline();
|
||||
m_debug.setObjectName(m_postPipeline, "post");
|
||||
}
|
||||
|
||||
|
|
@ -563,10 +569,10 @@ void HelloVulkan::createPostDescriptor()
|
|||
using vkDT = vk::DescriptorType;
|
||||
using vkSS = vk::ShaderStageFlagBits;
|
||||
|
||||
m_postDescSetLayoutBind.emplace_back(vkDS(0, vkDT::eCombinedImageSampler, 1, vkSS::eFragment));
|
||||
m_postDescSetLayout = nvvkpp::util::createDescriptorSetLayout(m_device, m_postDescSetLayoutBind);
|
||||
m_postDescPool = nvvkpp::util::createDescriptorPool(m_device, m_postDescSetLayoutBind);
|
||||
m_postDescSet = nvvkpp::util::createDescriptorSet(m_device, m_postDescPool, m_postDescSetLayout);
|
||||
m_postDescSetLayoutBind.addBinding(vkDS(0, vkDT::eCombinedImageSampler, 1, vkSS::eFragment));
|
||||
m_postDescSetLayout = m_postDescSetLayoutBind.createLayout(m_device);
|
||||
m_postDescPool = m_postDescSetLayoutBind.createPool(m_device);
|
||||
m_postDescSet = nvvk::allocateDescriptorSet(m_device, m_postDescPool, m_postDescSetLayout);
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------------------------------------
|
||||
|
|
@ -575,8 +581,7 @@ void HelloVulkan::createPostDescriptor()
|
|||
void HelloVulkan::updatePostDescriptorSet()
|
||||
{
|
||||
vk::WriteDescriptorSet writeDescriptorSets =
|
||||
nvvkpp::util::createWrite(m_postDescSet, m_postDescSetLayoutBind[0],
|
||||
&m_offscreenColor.descriptor);
|
||||
m_postDescSetLayoutBind.makeWrite(m_postDescSet, 0, &m_offscreenColor.descriptor);
|
||||
m_device.updateDescriptorSets(writeDescriptorSets, nullptr);
|
||||
}
|
||||
|
||||
|
|
@ -614,13 +619,13 @@ void HelloVulkan::initRayTracing()
|
|||
auto properties = m_physicalDevice.getProperties2<vk::PhysicalDeviceProperties2,
|
||||
vk::PhysicalDeviceRayTracingPropertiesKHR>();
|
||||
m_rtProperties = properties.get<vk::PhysicalDeviceRayTracingPropertiesKHR>();
|
||||
m_rtBuilder.setup(m_device, m_physicalDevice, m_graphicsQueueIndex);
|
||||
m_rtBuilder.setup(m_device, &m_alloc, m_graphicsQueueIndex);
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------------------------------------
|
||||
// Converting a OBJ primitive to the ray tracing geometry used for the BLAS
|
||||
//
|
||||
nvvkpp::RaytracingBuilderKHR::Blas HelloVulkan::objectToVkGeometryKHR(const ObjModel& model)
|
||||
nvvk::RaytracingBuilderKHR::Blas HelloVulkan::objectToVkGeometryKHR(const ObjModel& model)
|
||||
{
|
||||
// Setting up the creation info of acceleration structure
|
||||
vk::AccelerationStructureCreateGeometryTypeInfoKHR asCreate;
|
||||
|
|
@ -657,7 +662,7 @@ nvvkpp::RaytracingBuilderKHR::Blas HelloVulkan::objectToVkGeometryKHR(const ObjM
|
|||
offset.setTransformOffset(0);
|
||||
|
||||
// Our blas is only one geometry, but could be made of many geometries
|
||||
nvvkpp::RaytracingBuilderKHR::Blas blas;
|
||||
nvvk::RaytracingBuilderKHR::Blas blas;
|
||||
blas.asGeometry.emplace_back(asGeom);
|
||||
blas.asCreateGeometryInfo.emplace_back(asCreate);
|
||||
blas.asBuildOffsetInfo.emplace_back(offset);
|
||||
|
|
@ -671,7 +676,7 @@ nvvkpp::RaytracingBuilderKHR::Blas HelloVulkan::objectToVkGeometryKHR(const ObjM
|
|||
void HelloVulkan::createBottomLevelAS()
|
||||
{
|
||||
// BLAS - Storing each primitive in a geometry
|
||||
std::vector<nvvkpp::RaytracingBuilderKHR::Blas> allBlas;
|
||||
std::vector<nvvk::RaytracingBuilderKHR::Blas> allBlas;
|
||||
allBlas.reserve(m_objModel.size());
|
||||
for(const auto& obj : m_objModel)
|
||||
{
|
||||
|
|
@ -685,16 +690,16 @@ void HelloVulkan::createBottomLevelAS()
|
|||
|
||||
void HelloVulkan::createTopLevelAS()
|
||||
{
|
||||
std::vector<nvvkpp::RaytracingBuilderKHR::Instance> tlas;
|
||||
std::vector<nvvk::RaytracingBuilderKHR::Instance> tlas;
|
||||
tlas.reserve(m_objInstance.size());
|
||||
for(int i = 0; i < static_cast<int>(m_objInstance.size()); i++)
|
||||
{
|
||||
nvvkpp::RaytracingBuilderKHR::Instance rayInst;
|
||||
nvvk::RaytracingBuilderKHR::Instance rayInst;
|
||||
rayInst.transform = m_objInstance[i].transform; // Position of the instance
|
||||
rayInst.instanceId = i; // gl_InstanceID
|
||||
rayInst.blasId = m_objInstance[i].objIndex;
|
||||
rayInst.hitGroupId = 0; // We will use the same hit group for all objects
|
||||
rayInst.flags = vk::GeometryInstanceFlagBitsKHR::eTriangleCullDisable;
|
||||
rayInst.flags = VK_GEOMETRY_INSTANCE_TRIANGLE_FACING_CULL_DISABLE_BIT_KHR;
|
||||
tlas.emplace_back(rayInst);
|
||||
}
|
||||
m_rtBuilder.buildTlas(tlas, vk::BuildAccelerationStructureFlagBitsKHR::ePreferFastTrace);
|
||||
|
|
@ -709,25 +714,25 @@ void HelloVulkan::createRtDescriptorSet()
|
|||
using vkSS = vk::ShaderStageFlagBits;
|
||||
using vkDSLB = vk::DescriptorSetLayoutBinding;
|
||||
|
||||
m_rtDescSetLayoutBind.emplace_back(vkDSLB(0, vkDT::eAccelerationStructureKHR, 1,
|
||||
vkSS::eRaygenKHR | vkSS::eClosestHitKHR)); // TLAS
|
||||
m_rtDescSetLayoutBind.emplace_back(
|
||||
m_rtDescSetLayoutBind.addBinding(vkDSLB(0, vkDT::eAccelerationStructureKHR, 1,
|
||||
vkSS::eRaygenKHR | vkSS::eClosestHitKHR)); // TLAS
|
||||
m_rtDescSetLayoutBind.addBinding(
|
||||
vkDSLB(1, vkDT::eStorageImage, 1, vkSS::eRaygenKHR)); // Output image
|
||||
|
||||
m_rtDescPool = nvvkpp::util::createDescriptorPool(m_device, m_rtDescSetLayoutBind);
|
||||
m_rtDescSetLayout = nvvkpp::util::createDescriptorSetLayout(m_device, m_rtDescSetLayoutBind);
|
||||
m_rtDescPool = m_rtDescSetLayoutBind.createPool(m_device);
|
||||
m_rtDescSetLayout = m_rtDescSetLayoutBind.createLayout(m_device);
|
||||
m_rtDescSet = m_device.allocateDescriptorSets({m_rtDescPool, 1, &m_rtDescSetLayout})[0];
|
||||
|
||||
vk::AccelerationStructureKHR tlas = m_rtBuilder.getAccelerationStructure();
|
||||
vk::WriteDescriptorSetAccelerationStructureKHR descASInfo;
|
||||
descASInfo.setAccelerationStructureCount(1);
|
||||
descASInfo.setPAccelerationStructures(&m_rtBuilder.getAccelerationStructure());
|
||||
descASInfo.setPAccelerationStructures(&tlas);
|
||||
vk::DescriptorImageInfo imageInfo{
|
||||
{}, m_offscreenColor.descriptor.imageView, vk::ImageLayout::eGeneral};
|
||||
|
||||
std::vector<vk::WriteDescriptorSet> writes;
|
||||
writes.emplace_back(
|
||||
nvvkpp::util::createWrite(m_rtDescSet, m_rtDescSetLayoutBind[0], &descASInfo));
|
||||
writes.emplace_back(nvvkpp::util::createWrite(m_rtDescSet, m_rtDescSetLayoutBind[1], &imageInfo));
|
||||
writes.emplace_back(m_rtDescSetLayoutBind.makeWrite(m_rtDescSet, 0, &descASInfo));
|
||||
writes.emplace_back(m_rtDescSetLayoutBind.makeWrite(m_rtDescSet, 1, &imageInfo));
|
||||
m_device.updateDescriptorSets(static_cast<uint32_t>(writes.size()), writes.data(), 0, nullptr);
|
||||
}
|
||||
|
||||
|
|
@ -756,16 +761,17 @@ void HelloVulkan::createRtPipeline()
|
|||
std::vector<std::string> paths = defaultSearchPaths;
|
||||
|
||||
vk::ShaderModule raygenSM =
|
||||
nvvkpp::util::createShaderModule(m_device, //
|
||||
nvh::loadFile("shaders/raytrace.rgen.spv", true, paths));
|
||||
nvvk::createShaderModule(m_device, //
|
||||
nvh::loadFile("shaders/raytrace.rgen.spv", true, paths));
|
||||
vk::ShaderModule missSM =
|
||||
nvvkpp::util::createShaderModule(m_device, //
|
||||
nvh::loadFile("shaders/raytrace.rmiss.spv", true, paths));
|
||||
nvvk::createShaderModule(m_device, //
|
||||
nvh::loadFile("shaders/raytrace.rmiss.spv", true, paths));
|
||||
|
||||
// The second miss shader is invoked when a shadow ray misses the geometry. It
|
||||
// simply indicates that no occlusion has been found
|
||||
vk::ShaderModule shadowmissSM = nvvkpp::util::createShaderModule(
|
||||
m_device, nvh::loadFile("shaders/raytraceShadow.rmiss.spv", true, paths));
|
||||
vk::ShaderModule shadowmissSM =
|
||||
nvvk::createShaderModule(m_device,
|
||||
nvh::loadFile("shaders/raytraceShadow.rmiss.spv", true, paths));
|
||||
|
||||
|
||||
std::vector<vk::PipelineShaderStageCreateInfo> stages;
|
||||
|
|
@ -791,8 +797,8 @@ void HelloVulkan::createRtPipeline()
|
|||
|
||||
// Hit Group - Closest Hit + AnyHit
|
||||
vk::ShaderModule chitSM =
|
||||
nvvkpp::util::createShaderModule(m_device, //
|
||||
nvh::loadFile("shaders/raytrace.rchit.spv", true, paths));
|
||||
nvvk::createShaderModule(m_device, //
|
||||
nvh::loadFile("shaders/raytrace.rchit.spv", true, paths));
|
||||
|
||||
vk::RayTracingShaderGroupCreateInfoKHR hg{vk::RayTracingShaderGroupTypeKHR::eTrianglesHitGroup,
|
||||
VK_SHADER_UNUSED_KHR, VK_SHADER_UNUSED_KHR,
|
||||
|
|
@ -857,17 +863,17 @@ void HelloVulkan::createRtShaderBindingTable()
|
|||
m_device.getRayTracingShaderGroupHandlesKHR(m_rtPipeline, 0, groupCount, sbtSize,
|
||||
shaderHandleStorage.data());
|
||||
// Write the handles in the SBT
|
||||
nvvkpp::SingleCommandBuffer genCmdBuf(m_device, m_graphicsQueueIndex);
|
||||
vk::CommandBuffer cmdBuf = genCmdBuf.createCommandBuffer();
|
||||
nvvk::CommandPool genCmdBuf(m_device, m_graphicsQueueIndex);
|
||||
vk::CommandBuffer cmdBuf = genCmdBuf.createCommandBuffer();
|
||||
|
||||
m_rtSBTBuffer =
|
||||
m_alloc.createBuffer(cmdBuf, shaderHandleStorage, vk::BufferUsageFlagBits::eRayTracingKHR);
|
||||
m_debug.setObjectName(m_rtSBTBuffer.buffer, "SBT");
|
||||
|
||||
|
||||
genCmdBuf.flushCommandBuffer(cmdBuf);
|
||||
genCmdBuf.submitAndWait(cmdBuf);
|
||||
|
||||
m_alloc.flushStaging();
|
||||
m_alloc.finalizeAndReleaseStaging();
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------------------------------------
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue