Refactoring
This commit is contained in:
mklefrancois
parent
3e399adf0a
commit
d90ce79135
222 changed files with 9045 additions and 5734 deletions
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@ -42,17 +42,6 @@
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extern std::vector<std::string> defaultSearchPaths;
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// Holding the camera matrices
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struct CameraMatrices
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{
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nvmath::mat4f view;
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nvmath::mat4f proj;
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nvmath::mat4f viewInverse;
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// #VKRay
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nvmath::mat4f projInverse;
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};
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//--------------------------------------------------------------------------------------------------
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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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@ -72,16 +61,17 @@ void HelloVulkan::updateUniformBuffer(const VkCommandBuffer& cmdBuf)
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{
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// Prepare new UBO contents on host.
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const float aspectRatio = m_size.width / static_cast<float>(m_size.height);
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CameraMatrices hostUBO = {};
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hostUBO.view = CameraManip.getMatrix();
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hostUBO.proj = nvmath::perspectiveVK(CameraManip.getFov(), aspectRatio, 0.1f, 1000.0f);
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// hostUBO.proj[1][1] *= -1; // Inverting Y for Vulkan (not needed with perspectiveVK).
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hostUBO.viewInverse = nvmath::invert(hostUBO.view);
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// #VKRay
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hostUBO.projInverse = nvmath::invert(hostUBO.proj);
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GlobalUniforms hostUBO = {};
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const auto& view = CameraManip.getMatrix();
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const auto& proj = nvmath::perspectiveVK(CameraManip.getFov(), aspectRatio, 0.1f, 1000.0f);
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// proj[1][1] *= -1; // Inverting Y for Vulkan (not needed with perspectiveVK).
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hostUBO.viewProj = proj * view;
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hostUBO.viewInverse = nvmath::invert(view);
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hostUBO.projInverse = nvmath::invert(proj);
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// UBO on the device, and what stages access it.
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VkBuffer deviceUBO = m_cameraMat.buffer;
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VkBuffer deviceUBO = m_bGlobals.buffer;
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auto uboUsageStages = VK_PIPELINE_STAGE_VERTEX_SHADER_BIT | VK_PIPELINE_STAGE_RAY_TRACING_SHADER_BIT_KHR;
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// Ensure that the modified UBO is not visible to previous frames.
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@ -97,7 +87,7 @@ void HelloVulkan::updateUniformBuffer(const VkCommandBuffer& cmdBuf)
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// Schedule the host-to-device upload. (hostUBO is copied into the cmd
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// buffer so it is okay to deallocate when the function returns).
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vkCmdUpdateBuffer(cmdBuf, m_cameraMat.buffer, 0, sizeof(CameraMatrices), &hostUBO);
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vkCmdUpdateBuffer(cmdBuf, m_bGlobals.buffer, 0, sizeof(GlobalUniforms), &hostUBO);
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// Making sure the updated UBO will be visible.
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VkBufferMemoryBarrier afterBarrier{VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER};
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@ -117,13 +107,14 @@ void HelloVulkan::createDescriptorSetLayout()
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{
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auto nbTxt = static_cast<uint32_t>(m_textures.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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// Scene description (binding = 1)
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m_descSetLayoutBind.addBinding(1, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1,
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// Camera matrices
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m_descSetLayoutBind.addBinding(SceneBindings::eGlobals, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1,
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VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_RAYGEN_BIT_KHR);
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// Obj descriptions
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m_descSetLayoutBind.addBinding(SceneBindings::eObjDescs, 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(2, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, nbTxt,
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// Textures
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m_descSetLayoutBind.addBinding(SceneBindings::eTextures, 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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@ -140,11 +131,11 @@ void HelloVulkan::updateDescriptorSet()
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std::vector<VkWriteDescriptorSet> writes;
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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 dbiUnif{m_bGlobals.buffer, 0, VK_WHOLE_SIZE};
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writes.emplace_back(m_descSetLayoutBind.makeWrite(m_descSet, SceneBindings::eGlobals, &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, 1, &dbiSceneDesc));
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VkDescriptorBufferInfo dbiSceneDesc{m_bObjDesc.buffer, 0, VK_WHOLE_SIZE};
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writes.emplace_back(m_descSetLayoutBind.makeWrite(m_descSet, SceneBindings::eObjDescs, &dbiSceneDesc));
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// All texture samplers
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std::vector<VkDescriptorImageInfo> diit;
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@ -152,7 +143,7 @@ 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, 2, diit.data()));
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writes.emplace_back(m_descSetLayoutBind.makeWriteArray(m_descSet, SceneBindings::eTextures, 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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@ -164,7 +155,7 @@ void HelloVulkan::updateDescriptorSet()
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//
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void HelloVulkan::createGraphicsPipeline()
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{
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VkPushConstantRange pushConstantRanges = {VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 0, sizeof(ObjPushConstant)};
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VkPushConstantRange pushConstantRanges = {VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 0, sizeof(PushConstantRaster)};
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// Creating the Pipeline Layout
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VkPipelineLayoutCreateInfo createInfo{VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO};
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@ -224,30 +215,35 @@ void HelloVulkan::loadModel(const std::string& filename, nvmath::mat4f transform
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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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// Creates all textures found and find the offset for this model
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auto 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(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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m_debug.setObjectName(model.vertexBuffer.buffer, (std::string("vertex_" + objNb)));
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m_debug.setObjectName(model.indexBuffer.buffer, (std::string("index_" + objNb)));
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m_debug.setObjectName(model.matColorBuffer.buffer, (std::string("mat_" + objNb)));
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m_debug.setObjectName(model.matIndexBuffer.buffer, (std::string("matIdx_" + objNb)));
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// Keeping transformation matrix of the instance
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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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instance.transform = transform;
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instance.objIndex = static_cast<uint32_t>(m_objModel.size());
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m_instances.push_back(instance);
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// Creating information for device access
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ObjDesc desc;
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desc.txtOffset = txtOffset;
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desc.vertexAddress = nvvk::getBufferDeviceAddress(m_device, model.vertexBuffer.buffer);
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desc.indexAddress = nvvk::getBufferDeviceAddress(m_device, model.indexBuffer.buffer);
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desc.materialAddress = nvvk::getBufferDeviceAddress(m_device, model.matColorBuffer.buffer);
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desc.materialIndexAddress = nvvk::getBufferDeviceAddress(m_device, model.matIndexBuffer.buffer);
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// Keeping the obj host model and device description
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m_objModel.emplace_back(model);
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m_objInstance.emplace_back(instance);
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m_objDesc.emplace_back(desc);
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}
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@ -257,9 +253,9 @@ void HelloVulkan::loadModel(const std::string& filename, nvmath::mat4f transform
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//
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void HelloVulkan::createUniformBuffer()
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{
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m_cameraMat = m_alloc.createBuffer(sizeof(CameraMatrices), VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
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VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
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m_debug.setObjectName(m_cameraMat.buffer, "cameraMat");
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m_bGlobals = m_alloc.createBuffer(sizeof(GlobalUniforms), VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
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VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
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m_debug.setObjectName(m_bGlobals.buffer, "Globals");
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}
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//--------------------------------------------------------------------------------------------------
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@ -268,15 +264,15 @@ void HelloVulkan::createUniformBuffer()
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// - Transformation
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// - Offset for texture
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//
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void HelloVulkan::createSceneDescriptionBuffer()
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void HelloVulkan::createObjDescriptionBuffer()
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{
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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, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT);
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m_bObjDesc = m_alloc.createBuffer(cmdBuf, m_objDesc, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT);
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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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m_debug.setObjectName(m_bObjDesc.buffer, "ObjDescs");
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}
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//--------------------------------------------------------------------------------------------------
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@ -362,8 +358,8 @@ void HelloVulkan::destroyResources()
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vkDestroyDescriptorPool(m_device, m_descPool, nullptr);
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vkDestroyDescriptorSetLayout(m_device, m_descSetLayout, nullptr);
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m_alloc.destroy(m_cameraMat);
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m_alloc.destroy(m_sceneDesc);
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m_alloc.destroy(m_bGlobals);
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m_alloc.destroy(m_bObjDesc);
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for(auto& m : m_objModel)
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{
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@ -417,14 +413,14 @@ void HelloVulkan::rasterize(const VkCommandBuffer& cmdBuf)
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vkCmdBindDescriptorSets(cmdBuf, VK_PIPELINE_BIND_POINT_GRAPHICS, m_pipelineLayout, 0, 1, &m_descSet, 0, nullptr);
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for(int i = 0; i < m_objInstance.size(); ++i)
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for(const HelloVulkan::ObjInstance& inst : m_instances)
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{
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auto& inst = m_objInstance[i];
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auto& model = m_objModel[inst.objIndex];
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m_pushConstant.instanceId = i; // Telling which instance is drawn
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auto& model = m_objModel[inst.objIndex];
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m_pcRaster.objIndex = inst.objIndex; // Telling which object is drawn
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m_pcRaster.modelMatrix = inst.transform;
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vkCmdPushConstants(cmdBuf, m_pipelineLayout, VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 0,
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sizeof(ObjPushConstant), &m_pushConstant);
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sizeof(PushConstantRaster), &m_pcRaster);
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vkCmdBindVertexBuffers(cmdBuf, 0, 1, &model.vertexBuffer.buffer, &offset);
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vkCmdBindIndexBuffer(cmdBuf, model.indexBuffer.buffer, 0, VK_INDEX_TYPE_UINT32);
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vkCmdDrawIndexed(cmdBuf, model.nbIndices, 1, 0, 0, 0);
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@ -615,7 +611,7 @@ auto HelloVulkan::objectToVkGeometryKHR(const ObjModel& model)
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// Describe buffer as array of VertexObj.
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VkAccelerationStructureGeometryTrianglesDataKHR triangles{VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_TRIANGLES_DATA_KHR};
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triangles.vertexFormat = VK_FORMAT_R32G32B32A32_SFLOAT; // vec3 vertex position data.
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triangles.vertexFormat = VK_FORMAT_R32G32B32_SFLOAT; // vec3 vertex position data.
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triangles.vertexData.deviceAddress = vertexAddress;
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triangles.vertexStride = sizeof(VertexObj);
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// Describe index data (32-bit unsigned int)
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@ -664,19 +660,22 @@ void HelloVulkan::createBottomLevelAS()
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m_rtBuilder.buildBlas(allBlas, VK_BUILD_ACCELERATION_STRUCTURE_PREFER_FAST_TRACE_BIT_KHR);
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}
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//--------------------------------------------------------------------------------------------------
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//
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//
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void HelloVulkan::createTopLevelAS()
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{
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std::vector<VkAccelerationStructureInstanceKHR> tlas;
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tlas.reserve(m_objInstance.size());
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for(uint32_t i = 0; i < static_cast<uint32_t>(m_objInstance.size()); i++)
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tlas.reserve(m_instances.size());
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for(const HelloVulkan::ObjInstance& inst : m_instances)
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{
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VkAccelerationStructureInstanceKHR rayInst;
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rayInst.transform = nvvk::toTransformMatrixKHR(m_objInstance[i].transform); // Position of the instance
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rayInst.instanceCustomIndex = i; // gl_InstanceCustomIndexEXT
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rayInst.accelerationStructureReference = m_rtBuilder.getBlasDeviceAddress(m_objInstance[i].objIndex);
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VkAccelerationStructureInstanceKHR rayInst{};
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rayInst.transform = nvvk::toTransformMatrixKHR(inst.transform); // Position of the instance
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rayInst.instanceCustomIndex = inst.objIndex; // gl_InstanceCustomIndexEXT
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rayInst.accelerationStructureReference = m_rtBuilder.getBlasDeviceAddress(inst.objIndex);
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rayInst.flags = VK_GEOMETRY_INSTANCE_TRIANGLE_FACING_CULL_DISABLE_BIT_KHR;
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rayInst.mask = 0xFF; // Only be hit if rayMask & instance.mask != 0
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rayInst.instanceShaderBindingTableRecordOffset = 0; // We will use the same hit group for all objects
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rayInst.flags = VK_GEOMETRY_INSTANCE_TRIANGLE_FACING_CULL_DISABLE_BIT_KHR;
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rayInst.mask = 0xFF;
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tlas.emplace_back(rayInst);
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}
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m_rtBuilder.buildTlas(tlas, VK_BUILD_ACCELERATION_STRUCTURE_PREFER_FAST_TRACE_BIT_KHR);
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@ -689,9 +688,9 @@ void HelloVulkan::createRtDescriptorSet()
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{
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// Top-level acceleration structure, usable by both the ray generation and the closest hit (to
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// shoot shadow rays)
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m_rtDescSetLayoutBind.addBinding(0, VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 1,
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m_rtDescSetLayoutBind.addBinding(RtxBindings::eTlas, VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 1,
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VK_SHADER_STAGE_RAYGEN_BIT_KHR | VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR); // TLAS
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m_rtDescSetLayoutBind.addBinding(1, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1,
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m_rtDescSetLayoutBind.addBinding(RtxBindings::eOutImage, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1,
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VK_SHADER_STAGE_RAYGEN_BIT_KHR); // Output image
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m_rtDescPool = m_rtDescSetLayoutBind.createPool(m_device);
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@ -711,8 +710,8 @@ void HelloVulkan::createRtDescriptorSet()
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VkDescriptorImageInfo imageInfo{{}, m_offscreenColor.descriptor.imageView, VK_IMAGE_LAYOUT_GENERAL};
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std::vector<VkWriteDescriptorSet> writes;
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writes.emplace_back(m_rtDescSetLayoutBind.makeWrite(m_rtDescSet, 0, &descASInfo));
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writes.emplace_back(m_rtDescSetLayoutBind.makeWrite(m_rtDescSet, 1, &imageInfo));
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writes.emplace_back(m_rtDescSetLayoutBind.makeWrite(m_rtDescSet, RtxBindings::eTlas, &descASInfo));
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writes.emplace_back(m_rtDescSetLayoutBind.makeWrite(m_rtDescSet, RtxBindings::eOutImage, &imageInfo));
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vkUpdateDescriptorSets(m_device, static_cast<uint32_t>(writes.size()), writes.data(), 0, nullptr);
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}
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@ -725,7 +724,7 @@ void HelloVulkan::updateRtDescriptorSet()
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{
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// (1) Output buffer
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VkDescriptorImageInfo imageInfo{{}, m_offscreenColor.descriptor.imageView, VK_IMAGE_LAYOUT_GENERAL};
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VkWriteDescriptorSet wds = m_rtDescSetLayoutBind.makeWrite(m_rtDescSet, 1, &imageInfo);
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VkWriteDescriptorSet wds = m_rtDescSetLayoutBind.makeWrite(m_rtDescSet, RtxBindings::eOutImage, &imageInfo);
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vkUpdateDescriptorSets(m_device, 1, &wds, 0, nullptr);
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}
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@ -797,7 +796,7 @@ void HelloVulkan::createRtPipeline()
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// Push constant: we want to be able to update constants used by the shaders
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VkPushConstantRange pushConstant{VK_SHADER_STAGE_RAYGEN_BIT_KHR | VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR | VK_SHADER_STAGE_MISS_BIT_KHR,
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0, sizeof(RtPushConstant)};
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0, sizeof(PushConstantRay)};
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VkPipelineLayoutCreateInfo pipelineLayoutCreateInfo{VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO};
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@ -850,10 +849,10 @@ void HelloVulkan::raytrace(const VkCommandBuffer& cmdBuf, const nvmath::vec4f& c
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{
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m_debug.beginLabel(cmdBuf, "Ray trace");
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// Initializing push constant values
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m_rtPushConstants.clearColor = clearColor;
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m_rtPushConstants.lightPosition = m_pushConstant.lightPosition;
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m_rtPushConstants.lightIntensity = m_pushConstant.lightIntensity;
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m_rtPushConstants.lightType = m_pushConstant.lightType;
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m_pcRay.clearColor = clearColor;
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m_pcRay.lightPosition = m_pcRaster.lightPosition;
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m_pcRay.lightIntensity = m_pcRaster.lightIntensity;
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m_pcRay.lightType = m_pcRaster.lightType;
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std::vector<VkDescriptorSet> descSets{m_rtDescSet, m_descSet};
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||||
|
|
@ -862,7 +861,7 @@ void HelloVulkan::raytrace(const VkCommandBuffer& cmdBuf, const nvmath::vec4f& c
|
|||
(uint32_t)descSets.size(), descSets.data(), 0, nullptr);
|
||||
vkCmdPushConstants(cmdBuf, m_rtPipelineLayout,
|
||||
VK_SHADER_STAGE_RAYGEN_BIT_KHR | VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR | VK_SHADER_STAGE_MISS_BIT_KHR,
|
||||
0, sizeof(RtPushConstant), &m_rtPushConstants);
|
||||
0, sizeof(PushConstantRay), &m_pcRay);
|
||||
|
||||
|
||||
auto& regions = m_sbtWrapper.getRegions();
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue