Code cleanup up, code comments, fix validation
This commit is contained in:
Sascha Willems
parent
11bef52edc
commit
fc3e535074
1 changed files with 108 additions and 139 deletions
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@ -1,6 +1,11 @@
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/*
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* Vulkan Example - Using dynamic state
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*
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* This sample demonstrates the use of some of the VK_EXT_dynamic_state extensions
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* These allow an application to set some pipeline related state dynamically at drawtime
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* instead of having to pre-bake the state into a pipeline
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* This can help reduce the number of pipelines required
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*
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* Copyright (C) 2022-2023 by Sascha Willems - www.saschawillems.de
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*
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* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
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@ -9,34 +14,30 @@
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#include "vulkanexamplebase.h"
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#include "VulkanglTFModel.h"
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class VulkanExample: public VulkanExampleBase
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{
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public:
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vkglTF::Model scene;
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vks::Buffer uniformBuffer;
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// Same uniform buffer layout as shader
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struct UBOVS {
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struct UniformData {
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glm::mat4 projection;
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glm::mat4 modelView;
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glm::vec4 lightPos = glm::vec4(0.0f, 2.0f, 1.0f, 0.0f);
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} uboVS;
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glm::vec4 lightPos{ 0.0f, 2.0f, 1.0f, 0.0f };
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} uniformData;
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vks::Buffer uniformBuffer;
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float clearColor[4] = { 0.0f, 0.0f, 0.2f, 1.0f };
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VkPipelineLayout pipelineLayout;
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VkDescriptorSet descriptorSet;
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VkDescriptorSetLayout descriptorSetLayout;
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VkPipeline pipeline;
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VkPipelineLayout pipelineLayout{ VK_NULL_HANDLE };
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VkPipeline pipeline{ VK_NULL_HANDLE };
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VkDescriptorSet descriptorSet{ VK_NULL_HANDLE };
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VkDescriptorSetLayout descriptorSetLayout{ VK_NULL_HANDLE };
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// This sample demonstrates different dynamic states, so we check and store what extension is available
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bool hasDynamicState = false;
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bool hasDynamicState2 = false;
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bool hasDynamicState3 = false;
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bool hasDynamicVertexState = false;
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bool hasDynamicState{ false };
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bool hasDynamicState2{ false };
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bool hasDynamicState3{ false };
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bool hasDynamicVertexState{ false };
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VkPhysicalDeviceExtendedDynamicStateFeaturesEXT extendedDynamicStateFeaturesEXT{};
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VkPhysicalDeviceExtendedDynamicState2FeaturesEXT extendedDynamicState2FeaturesEXT{};
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@ -44,15 +45,15 @@ public:
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// Function pointers for dynamic states used in this sample
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// VK_EXT_dynamic_stte
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PFN_vkCmdSetCullModeEXT vkCmdSetCullModeEXT = nullptr;
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PFN_vkCmdSetFrontFaceEXT vkCmdSetFrontFaceEXT = nullptr;
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PFN_vkCmdSetDepthTestEnableEXT vkCmdSetDepthTestEnableEXT = nullptr;
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PFN_vkCmdSetDepthWriteEnableEXT vkCmdSetDepthWriteEnableEXT = nullptr;
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PFN_vkCmdSetCullModeEXT vkCmdSetCullModeEXT{ nullptr };
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PFN_vkCmdSetFrontFaceEXT vkCmdSetFrontFaceEXT{ nullptr };
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PFN_vkCmdSetDepthTestEnableEXT vkCmdSetDepthTestEnableEXT{ nullptr };
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PFN_vkCmdSetDepthWriteEnableEXT vkCmdSetDepthWriteEnableEXT{ nullptr };
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// VK_EXT_dynamic_state_2
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PFN_vkCmdSetRasterizerDiscardEnable vkCmdSetRasterizerDiscardEnableEXT = nullptr;
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PFN_vkCmdSetRasterizerDiscardEnable vkCmdSetRasterizerDiscardEnableEXT{ nullptr };
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// VK_EXT_dynamic_state_3
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PFN_vkCmdSetColorBlendEnableEXT vkCmdSetColorBlendEnableEXT = nullptr;
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PFN_vkCmdSetColorBlendEquationEXT vkCmdSetColorBlendEquationEXT = nullptr;
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PFN_vkCmdSetColorBlendEnableEXT vkCmdSetColorBlendEnableEXT{ nullptr };
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PFN_vkCmdSetColorBlendEquationEXT vkCmdSetColorBlendEquationEXT{ nullptr };
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// Dynamic state UI toggles
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struct DynamicState {
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@ -76,16 +77,64 @@ public:
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camera.setRotation(glm::vec3(-25.0f, 15.0f, 0.0f));
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camera.setRotationSpeed(0.5f);
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camera.setPerspective(60.0f, (float)width / (float)height, 0.1f, 256.0f);
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// Note: We enable the dynamic state extensions dynamically, based on which ones the device supports see getEnabledExtensions
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enabledInstanceExtensions.push_back(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME);
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}
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~VulkanExample()
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{
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if (device) {
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vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
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vkDestroyPipeline(device, pipeline, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
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uniformBuffer.destroy();
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}
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}
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void getEnabledExtensions()
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{
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// Check what dynamic states are supported by the current implementation
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hasDynamicState = vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_EXTENSION_NAME);
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hasDynamicState2 = vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_2_EXTENSION_NAME);
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hasDynamicState3 = vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_3_EXTENSION_NAME);
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hasDynamicVertexState = vulkanDevice->extensionSupported(VK_EXT_VERTEX_INPUT_DYNAMIC_STATE_EXTENSION_NAME);
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// Enable dynamic state extensions if present. This function is called after physical and before logical device creation, so we can enabled extensions based on a list of supported extensions
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if (vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_EXTENSION_NAME)) {
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enabledDeviceExtensions.push_back(VK_EXT_EXTENDED_DYNAMIC_STATE_EXTENSION_NAME);
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extendedDynamicStateFeaturesEXT.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTENDED_DYNAMIC_STATE_FEATURES_EXT;
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extendedDynamicStateFeaturesEXT.extendedDynamicState = VK_TRUE;
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deviceCreatepNextChain = &extendedDynamicStateFeaturesEXT;
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}
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if (vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_2_EXTENSION_NAME)) {
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enabledDeviceExtensions.push_back(VK_EXT_EXTENDED_DYNAMIC_STATE_2_EXTENSION_NAME);
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extendedDynamicState2FeaturesEXT.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTENDED_DYNAMIC_STATE_2_FEATURES_EXT;
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extendedDynamicState2FeaturesEXT.extendedDynamicState2 = VK_TRUE;
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if (hasDynamicState) {
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extendedDynamicStateFeaturesEXT.pNext = &extendedDynamicState2FeaturesEXT;
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}
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else {
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deviceCreatepNextChain = &extendedDynamicState2FeaturesEXT;
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}
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}
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if (vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_3_EXTENSION_NAME)) {
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enabledDeviceExtensions.push_back(VK_EXT_EXTENDED_DYNAMIC_STATE_3_EXTENSION_NAME);
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extendedDynamicState3FeaturesEXT.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTENDED_DYNAMIC_STATE_3_FEATURES_EXT;
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extendedDynamicState3FeaturesEXT.extendedDynamicState3ColorBlendEnable = VK_TRUE;
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extendedDynamicState3FeaturesEXT.extendedDynamicState3ColorBlendEquation = VK_TRUE;
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if (hasDynamicState2) {
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extendedDynamicState2FeaturesEXT.pNext = &extendedDynamicState3FeaturesEXT;
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}
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else {
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deviceCreatepNextChain = &extendedDynamicState3FeaturesEXT;
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}
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}
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if (vulkanDevice->extensionSupported(VK_EXT_VERTEX_INPUT_DYNAMIC_STATE_EXTENSION_NAME)) {
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enabledDeviceExtensions.push_back(VK_EXT_VERTEX_INPUT_DYNAMIC_STATE_EXTENSION_NAME);
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}
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}
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void buildCommandBuffers()
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{
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@ -176,60 +225,41 @@ public:
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scene.loadFromFile(getAssetPath() + "models/treasure_smooth.gltf", vulkanDevice, queue, glTFLoadingFlags);
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}
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void setupDescriptorPool()
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{
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std::vector<VkDescriptorPoolSize> poolSizes =
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void setupDescriptors()
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{
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// Pool
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std::vector<VkDescriptorPoolSize> poolSizes = {
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vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1)
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};
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VkDescriptorPoolCreateInfo descriptorPoolInfo = vks::initializers::descriptorPoolCreateInfo(poolSizes, 2);
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VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
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}
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void setupDescriptorSetLayout()
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{
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std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings =
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{
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// Layout
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std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {
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// Binding 0 : Vertex shader uniform buffer
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vks::initializers::descriptorSetLayoutBinding(
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VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
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VK_SHADER_STAGE_VERTEX_BIT,
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0)
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vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 0)
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};
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VkDescriptorSetLayoutCreateInfo descriptorLayout = vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings);
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VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
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VkPipelineLayoutCreateInfo pipelineLayoutCreateInfo = vks::initializers::pipelineLayoutCreateInfo(&descriptorSetLayout, 1);
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VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCreateInfo, nullptr, &pipelineLayout));
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}
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void setupDescriptorSet()
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{
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VkDescriptorSetAllocateInfo allocInfo =
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vks::initializers::descriptorSetAllocateInfo(
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descriptorPool,
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&descriptorSetLayout,
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1);
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// Set
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VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayout, 1);
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VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
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std::vector<VkWriteDescriptorSet> writeDescriptorSets =
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{
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std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
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// Binding 0 : Vertex shader uniform buffer
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vks::initializers::writeDescriptorSet(
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descriptorSet,
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VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
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0,
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&uniformBuffer.descriptor)
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vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &uniformBuffer.descriptor)
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};
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vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, nullptr);
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}
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void preparePipelines()
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{
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// Layout
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VkPipelineLayoutCreateInfo pipelineLayoutCreateInfo = vks::initializers::pipelineLayoutCreateInfo(&descriptorSetLayout, 1);
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VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCreateInfo, nullptr, &pipelineLayout));
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// Pipeline
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// Instead of having to create a pipeline for each state combination, we only create one pipeline and toggle the new dynamic states during command buffer creation
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VkPipelineInputAssemblyStateCreateInfo inputAssemblyState = vks::initializers::pipelineInputAssemblyStateCreateInfo(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, 0, VK_FALSE);
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VkPipelineRasterizationStateCreateInfo rasterizationState = vks::initializers::pipelineRasterizationStateCreateInfo(VK_POLYGON_MODE_FILL, VK_CULL_MODE_BACK_BIT, VK_FRONT_FACE_COUNTER_CLOCKWISE, 0);
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VkPipelineColorBlendAttachmentState blendAttachmentState = vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE);
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@ -239,6 +269,7 @@ public:
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VkPipelineMultisampleStateCreateInfo multisampleState = vks::initializers::pipelineMultisampleStateCreateInfo(VK_SAMPLE_COUNT_1_BIT);
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std::array<VkPipelineShaderStageCreateInfo, 2> shaderStages;
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// All dynamic states we want to use need to be enabled at pipeline creation
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std::vector<VkDynamicState> dynamicStateEnables = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR, VK_DYNAMIC_STATE_LINE_WIDTH, };
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if (hasDynamicState) {
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dynamicStateEnables.push_back(VK_DYNAMIC_STATE_CULL_MODE_EXT);
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@ -270,8 +301,6 @@ public:
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// Create the graphics pipeline state objects
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// Textured pipeline
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// Phong shading pipeline
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shaderStages[0] = loadShader(getShadersPath() + "pipelines/phong.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
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shaderStages[1] = loadShader(getShadersPath() + "pipelines/phong.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
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VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &pipeline));
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@ -281,82 +310,22 @@ public:
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void prepareUniformBuffers()
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{
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// Create the vertex shader uniform buffer block
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VK_CHECK_RESULT(vulkanDevice->createBuffer(
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VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
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VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
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&uniformBuffer,
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sizeof(uboVS)));
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// Map persistent
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VK_CHECK_RESULT(vulkanDevice->createBuffer(VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, &uniformBuffer, sizeof(UniformData)));
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VK_CHECK_RESULT(uniformBuffer.map());
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updateUniformBuffers();
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}
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void updateUniformBuffers()
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{
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uboVS.projection = camera.matrices.perspective;
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uboVS.modelView = camera.matrices.view;
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memcpy(uniformBuffer.mapped, &uboVS, sizeof(uboVS));
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}
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void draw()
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{
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VulkanExampleBase::prepareFrame();
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submitInfo.commandBufferCount = 1;
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submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
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VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
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VulkanExampleBase::submitFrame();
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}
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void getEnabledExtensions()
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{
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// Check what dynamic states are supported by the current implementation
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hasDynamicState = vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_EXTENSION_NAME);
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hasDynamicState2 = vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_2_EXTENSION_NAME);
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hasDynamicState3 = vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_3_EXTENSION_NAME);
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hasDynamicVertexState = vulkanDevice->extensionSupported(VK_EXT_VERTEX_INPUT_DYNAMIC_STATE_EXTENSION_NAME);
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// Enable dynamic state extensions if present. This function is called after physical and before logical device creation, so we can enabled extensions based on a list of supported extensions
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if (vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_EXTENSION_NAME)) {
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enabledDeviceExtensions.push_back(VK_EXT_EXTENDED_DYNAMIC_STATE_EXTENSION_NAME);
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extendedDynamicStateFeaturesEXT.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTENDED_DYNAMIC_STATE_FEATURES_EXT;
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extendedDynamicStateFeaturesEXT.extendedDynamicState = VK_TRUE;
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deviceCreatepNextChain = &extendedDynamicStateFeaturesEXT;
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}
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if (vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_2_EXTENSION_NAME)) {
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enabledDeviceExtensions.push_back(VK_EXT_EXTENDED_DYNAMIC_STATE_2_EXTENSION_NAME);
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extendedDynamicState2FeaturesEXT.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTENDED_DYNAMIC_STATE_2_FEATURES_EXT;
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extendedDynamicState2FeaturesEXT.extendedDynamicState2 = VK_TRUE;
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if (hasDynamicState) {
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extendedDynamicStateFeaturesEXT.pNext = &extendedDynamicState2FeaturesEXT;
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} else {
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deviceCreatepNextChain = &extendedDynamicState2FeaturesEXT;
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}
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}
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if (vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_3_EXTENSION_NAME)) {
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enabledDeviceExtensions.push_back(VK_EXT_EXTENDED_DYNAMIC_STATE_3_EXTENSION_NAME);
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extendedDynamicState3FeaturesEXT.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTENDED_DYNAMIC_STATE_3_FEATURES_EXT;
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extendedDynamicState3FeaturesEXT.extendedDynamicState3ColorBlendEnable = VK_TRUE;
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extendedDynamicState3FeaturesEXT.extendedDynamicState3ColorBlendEquation = VK_TRUE;
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if (hasDynamicState2) {
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extendedDynamicState2FeaturesEXT.pNext = &extendedDynamicState3FeaturesEXT;
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} else {
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deviceCreatepNextChain = &extendedDynamicState3FeaturesEXT;
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}
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}
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if (vulkanDevice->extensionSupported(VK_EXT_VERTEX_INPUT_DYNAMIC_STATE_EXTENSION_NAME)) {
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enabledDeviceExtensions.push_back(VK_EXT_VERTEX_INPUT_DYNAMIC_STATE_EXTENSION_NAME);
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}
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uniformData.projection = camera.matrices.perspective;
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uniformData.modelView = camera.matrices.view;
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memcpy(uniformBuffer.mapped, &uniformData, sizeof(uniformData));
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}
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void prepare()
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{
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VulkanExampleBase::prepare();
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// Dynamic states are set with vkCmd* calls in the command buffer, so we need to load the function pointers depending on extension supports
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if (hasDynamicState) {
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vkCmdSetCullModeEXT = reinterpret_cast<PFN_vkCmdSetCullModeEXT>(vkGetDeviceProcAddr(device, "vkCmdSetCullModeEXT"));
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vkCmdSetFrontFaceEXT = reinterpret_cast<PFN_vkCmdSetFrontFaceEXT>(vkGetDeviceProcAddr(device, "vkCmdSetFrontFaceEXT"));
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@ -375,27 +344,27 @@ public:
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loadAssets();
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prepareUniformBuffers();
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setupDescriptorSetLayout();
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setupDescriptors();
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preparePipelines();
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setupDescriptorPool();
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setupDescriptorSet();
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buildCommandBuffers();
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prepared = true;
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}
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void draw()
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{
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VulkanExampleBase::prepareFrame();
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submitInfo.commandBufferCount = 1;
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submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
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VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
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VulkanExampleBase::submitFrame();
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}
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virtual void render()
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{
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if (!prepared)
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return;
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updateUniformBuffers();
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draw();
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if (camera.updated) {
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updateUniformBuffers();
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}
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}
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virtual void viewChanged()
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{
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updateUniformBuffers();
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}
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virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay)
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