Refactoring
This commit is contained in:
mklefrancois
parent
3e399adf0a
commit
d90ce79135
222 changed files with 9045 additions and 5734 deletions
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@ -40,17 +40,6 @@
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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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@ -70,16 +59,17 @@ 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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@ -95,7 +85,7 @@ 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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@ -115,13 +105,14 @@ 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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@ -138,11 +129,11 @@ 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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@ -150,7 +141,7 @@ 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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@ -162,7 +153,7 @@ 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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@ -222,30 +213,35 @@ 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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@ -255,9 +251,9 @@ 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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@ -266,15 +262,15 @@ 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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@ -360,8 +356,8 @@ 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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@ -422,14 +418,14 @@ 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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@ -620,7 +616,7 @@ 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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@ -669,17 +665,20 @@ void HelloVulkan::createBottomLevelAS()
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| VK_BUILD_ACCELERATION_STRUCTURE_PREFER_FAST_BUILD_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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for(uint32_t i = 0; i < static_cast<uint32_t>(m_objInstance.size()); i++)
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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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m_tlas.emplace_back(rayInst);
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}
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@ -694,9 +693,9 @@ 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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@ -716,8 +715,8 @@ 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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@ -730,7 +729,7 @@ 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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@ -801,7 +800,7 @@ 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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@ -849,10 +848,10 @@ 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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@ -861,7 +860,7 @@ void HelloVulkan::raytrace(const VkCommandBuffer& cmdBuf, const nvmath::vec4f& c
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(uint32_t)descSets.size(), descSets.data(), 0, nullptr);
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vkCmdPushConstants(cmdBuf, m_rtPipelineLayout,
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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();
|
||||
|
|
@ -873,9 +872,12 @@ void HelloVulkan::raytrace(const VkCommandBuffer& cmdBuf, const nvmath::vec4f& c
|
|||
//////////////////////////////////////////////////////////////////////////
|
||||
// #VK_animation
|
||||
|
||||
//--------------------------------------------------------------------------------------------------
|
||||
// Making the Wuson running in circle
|
||||
//
|
||||
void HelloVulkan::animationInstances(float time)
|
||||
{
|
||||
const auto nbWuson = static_cast<int32_t>(m_objInstance.size() - 2);
|
||||
const auto nbWuson = static_cast<int32_t>(m_instances.size() - 2); // All except sphere and plane
|
||||
const float deltaAngle = 6.28318530718f / static_cast<float>(nbWuson);
|
||||
const float wusonLength = 3.f;
|
||||
const float radius = wusonLength / (2.f * sin(deltaAngle / 2.0f));
|
||||
|
|
@ -883,40 +885,25 @@ void HelloVulkan::animationInstances(float time)
|
|||
|
||||
for(int i = 0; i < nbWuson; i++)
|
||||
{
|
||||
int wusonIdx = i + 1;
|
||||
ObjInstance& inst = m_objInstance[wusonIdx];
|
||||
inst.transform = nvmath::rotation_mat4_y(i * deltaAngle + offset) * nvmath::translation_mat4(radius, 0.f, 0.f);
|
||||
inst.transformIT = nvmath::transpose(nvmath::invert(inst.transform));
|
||||
int wusonIdx = i + 1;
|
||||
auto& transform = m_instances[wusonIdx].transform;
|
||||
transform = nvmath::rotation_mat4_y(i * deltaAngle + offset) * nvmath::translation_mat4(radius, 0.f, 0.f);
|
||||
|
||||
VkAccelerationStructureInstanceKHR& tinst = m_tlas[wusonIdx];
|
||||
tinst.transform = nvvk::toTransformMatrixKHR(inst.transform);
|
||||
tinst.transform = nvvk::toTransformMatrixKHR(transform);
|
||||
}
|
||||
|
||||
// Update the buffer
|
||||
VkDeviceSize bufferSize = m_objInstance.size() * sizeof(ObjInstance);
|
||||
nvvk::Buffer stagingBuffer =
|
||||
m_alloc.createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
|
||||
// Copy data to staging buffer
|
||||
auto* gInst = m_alloc.map(stagingBuffer);
|
||||
memcpy(gInst, m_objInstance.data(), bufferSize);
|
||||
m_alloc.unmap(stagingBuffer);
|
||||
// Copy staging buffer to the Scene Description buffer
|
||||
nvvk::CommandPool genCmdBuf(m_device, m_graphicsQueueIndex);
|
||||
VkCommandBuffer cmdBuf = genCmdBuf.createCommandBuffer();
|
||||
|
||||
VkBufferCopy region{0, 0, bufferSize};
|
||||
vkCmdCopyBuffer(cmdBuf, stagingBuffer.buffer, m_sceneDesc.buffer, 1, ®ion);
|
||||
|
||||
m_debug.endLabel(cmdBuf);
|
||||
genCmdBuf.submitAndWait(cmdBuf);
|
||||
m_alloc.destroy(stagingBuffer);
|
||||
|
||||
// Updating the top level acceleration structure
|
||||
m_rtBuilder.buildTlas(m_tlas, m_rtFlags, true);
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------------------------------------
|
||||
// Animating the sphere vertices using a compute shader
|
||||
//
|
||||
void HelloVulkan::animationObject(float time)
|
||||
{
|
||||
ObjModel& model = m_objModel[2];
|
||||
const uint32_t sphereId = 2;
|
||||
ObjModel& model = m_objModel[sphereId];
|
||||
|
||||
updateCompDescriptors(model.vertexBuffer);
|
||||
|
||||
|
|
@ -929,7 +916,8 @@ void HelloVulkan::animationObject(float time)
|
|||
vkCmdDispatch(cmdBuf, model.nbVertices, 1, 1);
|
||||
|
||||
genCmdBuf.submitAndWait(cmdBuf);
|
||||
m_rtBuilder.updateBlas(2, m_blas[2], VK_BUILD_ACCELERATION_STRUCTURE_ALLOW_UPDATE_BIT_KHR | VK_BUILD_ACCELERATION_STRUCTURE_PREFER_FAST_BUILD_BIT_KHR);
|
||||
m_rtBuilder.updateBlas(sphereId, m_blas[sphereId],
|
||||
VK_BUILD_ACCELERATION_STRUCTURE_ALLOW_UPDATE_BIT_KHR | VK_BUILD_ACCELERATION_STRUCTURE_PREFER_FAST_BUILD_BIT_KHR);
|
||||
}
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue