1 | #ifndef _GRAPHICS_PIPELINE_VULKAN_H
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2 | #define _GRAPHICS_PIPELINE_VULKAN_H
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3 |
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4 | #include "graphics-pipeline.hpp"
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5 |
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6 | #include <fstream>
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7 | #include <iostream>
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8 | #include <stdexcept>
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9 | #include <vector>
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10 |
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11 | #include <vulkan/vulkan.h>
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12 |
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13 | #define GLM_FORCE_RADIANS
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14 | #define GLM_FORCE_DEPTH_ZERO_TO_ONE // Since, in Vulkan, the depth range is 0 to 1 instead of -1 to 1
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15 | #define GLM_FORCE_RIGHT_HANDED
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16 |
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17 | #include <glm/glm.hpp>
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18 | #include <glm/gtc/matrix_transform.hpp>
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19 |
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20 | #include "vulkan-utils.hpp"
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21 |
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22 | using namespace glm;
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23 |
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24 | // TODO: Maybe change the name of this struct so I can call the list something other than descriptorInfoList
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25 | struct DescriptorInfo {
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26 | VkDescriptorType type;
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27 | VkShaderStageFlags stageFlags;
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28 |
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29 | // Only one of the below properties should be set
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30 | vector<VkDescriptorBufferInfo>* bufferDataList;
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31 | VkDescriptorImageInfo* imageData;
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32 | };
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33 |
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34 | template<class VertexType>
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35 | class GraphicsPipeline_Vulkan : public GraphicsPipeline {
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36 | public:
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37 | string vertShaderFile, fragShaderFile;
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38 |
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39 | // Both of these are only used for managing the SSBO, so move them out as well
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40 | size_t objectCapacity;
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41 | size_t numObjects;
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42 |
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43 | GraphicsPipeline_Vulkan();
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44 |
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45 | // TODO: swapChainImages is only ever used to get its size. Check how that is determined and,
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46 | // if it will never change, just pass it in the constructor and save it
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47 | // If it does change, I could add an updateSwapchainImageCount() function
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48 | GraphicsPipeline_Vulkan(VkPrimitiveTopology topology, VkPhysicalDevice physicalDevice, VkDevice device,
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49 | VkRenderPass renderPass, Viewport viewport, vector<VkImage>& swapChainImages,
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50 | size_t vertexCapacity, size_t indexCapacity, size_t objectCapacity);
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51 | ~GraphicsPipeline_Vulkan();
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52 |
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53 | size_t getNumVertices();
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54 |
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55 | void updateRenderPass(VkRenderPass renderPass);
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56 |
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57 | // Maybe I should rename these to addVertexAttribute (addVaryingAttribute) and addUniformAttribute
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58 |
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59 | void addAttribute(VkFormat format, size_t offset);
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60 |
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61 | // TODO: I might be able to use a single VkDescriptorBufferInfo here and reuse it when creating the descriptor sets
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62 | void addDescriptorInfo(VkDescriptorType type, VkShaderStageFlags stageFlags,
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63 | vector<VkDescriptorBufferInfo>* bufferData);
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64 | void addDescriptorInfo(VkDescriptorType type, VkShaderStageFlags stageFlags, VkDescriptorImageInfo* imageData);
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65 |
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66 | void updateDescriptorInfo(uint32_t index, vector<VkDescriptorBufferInfo>* bufferData);
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67 | // TODO: Maybe make an analogous one for updating image info
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68 |
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69 | void createPipeline(string vertShaderFile, string fragShaderFile);
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70 | void createDescriptorSetLayout();
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71 | void createDescriptorPool(vector<VkImage>& swapChainImages);
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72 | void createDescriptorSets(vector<VkImage>& swapChainImages);
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73 |
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74 | void createRenderCommands(VkCommandBuffer& commandBuffer, uint32_t currentImage);
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75 |
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76 | void addObject(const vector<VertexType>& vertices, vector<uint16_t> indices, VkCommandPool commandPool,
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77 | VkQueue graphicsQueue);
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78 |
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79 | void updateObjectVertices(size_t objIndex, const vector<VertexType>& vertices, VkCommandPool commandPool,
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80 | VkQueue graphicsQueue);
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81 |
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82 | void cleanup();
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83 | void cleanupBuffers();
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84 |
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85 | private:
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86 | VkPrimitiveTopology topology;
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87 | VkPhysicalDevice physicalDevice;
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88 | VkDevice device;
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89 | VkRenderPass renderPass;
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90 |
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91 | VkPipeline pipeline;
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92 | VkPipelineLayout pipelineLayout;
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93 |
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94 | VkVertexInputBindingDescription bindingDescription;
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95 |
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96 | vector<VkVertexInputAttributeDescription> attributeDescriptions;
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97 | vector<DescriptorInfo> descriptorInfoList;
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98 |
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99 | VkDescriptorSetLayout descriptorSetLayout;
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100 | VkDescriptorPool descriptorPool;
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101 | vector<VkDescriptorSet> descriptorSets;
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102 |
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103 | size_t numVertices;
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104 | size_t vertexCapacity;
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105 | VkBuffer vertexBuffer;
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106 | VkDeviceMemory vertexBufferMemory;
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107 |
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108 | size_t numIndices;
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109 | size_t indexCapacity;
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110 | VkBuffer indexBuffer;
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111 | VkDeviceMemory indexBufferMemory;
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112 |
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113 | VkShaderModule createShaderModule(const vector<char>& code);
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114 | vector<char> readFile(const string& filename);
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115 |
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116 | void resizeVertexBuffer(VkCommandPool commandPool, VkQueue graphicsQueue);
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117 | void resizeIndexBuffer(VkCommandPool commandPool, VkQueue graphicsQueue);
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118 | };
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119 |
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120 | /*** PUBLIC METHODS ***/
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121 |
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122 | template<class VertexType>
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123 | GraphicsPipeline_Vulkan<VertexType>::GraphicsPipeline_Vulkan() {
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124 | }
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125 |
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126 | // TODO: Verify that vertex capacity and index capacity are both > 0
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127 | // TODO: See if it would be feasible to move code in the createPipeline method
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128 | // into the constructor. That way, I can also put relevant cleanup code into the destructor
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129 | template<class VertexType>
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130 | GraphicsPipeline_Vulkan<VertexType>::GraphicsPipeline_Vulkan(
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131 | VkPrimitiveTopology topology, VkPhysicalDevice physicalDevice, VkDevice device,
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132 | VkRenderPass renderPass, Viewport viewport, vector<VkImage>& swapChainImages,
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133 | size_t vertexCapacity, size_t indexCapacity, size_t objectCapacity) {
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134 | this->topology = topology;
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135 | this->physicalDevice = physicalDevice;
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136 | this->device = device;
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137 | this->renderPass = renderPass;
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138 | this->viewport = viewport;
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139 |
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140 | // Since there is only one array of vertex data, we use binding = 0
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141 | // I'll probably do that for the foreseeable future
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142 | // I can calculate the stride myself given info about all the varying attributes
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143 | this->bindingDescription.binding = 0;
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144 | this->bindingDescription.stride = sizeof(VertexType);
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145 | this->bindingDescription.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
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146 |
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147 | this->numVertices = 0;
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148 | this->vertexCapacity = vertexCapacity;
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149 |
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150 | VulkanUtils::createBuffer(device, physicalDevice, vertexCapacity * sizeof(VertexType),
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151 | VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
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152 | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vertexBuffer, vertexBufferMemory);
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153 |
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154 | this->numIndices = 0;
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155 | this->indexCapacity = indexCapacity;
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156 |
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157 | VulkanUtils::createBuffer(device, physicalDevice, indexCapacity * sizeof(uint16_t),
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158 | VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
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159 | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, indexBuffer, indexBufferMemory);
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160 |
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161 | this->numObjects = 0;
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162 | this->objectCapacity = objectCapacity;
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163 | }
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164 |
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165 | // TODO: Move as much cleanup as I can into the destructor
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166 | template<class VertexType>
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167 | GraphicsPipeline_Vulkan<VertexType>::~GraphicsPipeline_Vulkan() {
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168 | }
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169 |
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170 | template<class VertexType>
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171 | size_t GraphicsPipeline_Vulkan<VertexType>::getNumVertices() {
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172 | return numVertices;
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173 | }
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174 |
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175 | template<class VertexType>
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176 | void GraphicsPipeline_Vulkan<VertexType>::updateRenderPass(VkRenderPass renderPass) {
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177 | this->renderPass = renderPass;
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178 | }
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179 |
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180 | template<class VertexType>
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181 | void GraphicsPipeline_Vulkan<VertexType>::addAttribute(VkFormat format, size_t offset) {
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182 | VkVertexInputAttributeDescription attributeDesc = {};
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183 |
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184 | attributeDesc.binding = 0;
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185 | attributeDesc.location = this->attributeDescriptions.size();
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186 | attributeDesc.format = format;
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187 | attributeDesc.offset = offset;
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188 |
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189 | this->attributeDescriptions.push_back(attributeDesc);
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190 | }
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191 |
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192 | template<class VertexType>
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193 | void GraphicsPipeline_Vulkan<VertexType>::addDescriptorInfo(VkDescriptorType type,
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194 | VkShaderStageFlags stageFlags, vector<VkDescriptorBufferInfo>* bufferData) {
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195 | this->descriptorInfoList.push_back({ type, stageFlags, bufferData, nullptr });
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196 | }
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197 |
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198 | template<class VertexType>
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199 | void GraphicsPipeline_Vulkan<VertexType>::addDescriptorInfo(VkDescriptorType type,
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200 | VkShaderStageFlags stageFlags, VkDescriptorImageInfo* imageData) {
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201 | this->descriptorInfoList.push_back({ type, stageFlags, nullptr, imageData });
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202 | }
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203 |
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204 | template<class VertexType>
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205 | void GraphicsPipeline_Vulkan<VertexType>::updateDescriptorInfo(uint32_t index,
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206 | vector<VkDescriptorBufferInfo>* bufferData) {
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207 | this->descriptorInfoList[index].bufferDataList = bufferData;
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208 | }
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209 |
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210 | template<class VertexType>
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211 | void GraphicsPipeline_Vulkan<VertexType>::createPipeline(string vertShaderFile, string fragShaderFile) {
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212 | this->vertShaderFile = vertShaderFile;
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213 | this->fragShaderFile = fragShaderFile;
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214 |
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215 | vector<char> vertShaderCode = readFile(vertShaderFile);
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216 | vector<char> fragShaderCode = readFile(fragShaderFile);
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217 |
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218 | VkShaderModule vertShaderModule = createShaderModule(vertShaderCode);
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219 | VkShaderModule fragShaderModule = createShaderModule(fragShaderCode);
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220 |
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221 | VkPipelineShaderStageCreateInfo vertShaderStageInfo = {};
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222 | vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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223 | vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
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224 | vertShaderStageInfo.module = vertShaderModule;
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225 | vertShaderStageInfo.pName = "main";
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226 |
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227 | VkPipelineShaderStageCreateInfo fragShaderStageInfo = {};
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228 | fragShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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229 | fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
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230 | fragShaderStageInfo.module = fragShaderModule;
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231 | fragShaderStageInfo.pName = "main";
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232 |
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233 | VkPipelineShaderStageCreateInfo shaderStages[] = { vertShaderStageInfo, fragShaderStageInfo };
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234 |
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235 | VkPipelineVertexInputStateCreateInfo vertexInputInfo = {};
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236 | vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
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237 |
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238 | vertexInputInfo.vertexBindingDescriptionCount = 1;
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239 | vertexInputInfo.vertexAttributeDescriptionCount = static_cast<uint32_t>(this->attributeDescriptions.size());
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240 | vertexInputInfo.pVertexBindingDescriptions = &this->bindingDescription;
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241 | vertexInputInfo.pVertexAttributeDescriptions = this->attributeDescriptions.data();
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242 |
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243 | VkPipelineInputAssemblyStateCreateInfo inputAssembly = {};
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244 | inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
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245 | inputAssembly.topology = this->topology;
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246 | inputAssembly.primitiveRestartEnable = VK_FALSE;
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247 |
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248 | VkViewport viewport = {};
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249 | viewport.x = (float)this->viewport.x;
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250 | viewport.y = (float)this->viewport.y;
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251 | viewport.width = (float)this->viewport.width;
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252 | viewport.height = (float)this->viewport.height;
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253 | viewport.minDepth = 0.0f;
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254 | viewport.maxDepth = 1.0f;
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255 |
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256 | VkRect2D scissor = {};
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257 | scissor.offset = { 0, 0 };
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258 | scissor.extent = { (uint32_t)this->viewport.width, (uint32_t)this->viewport.height };
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259 |
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260 | VkPipelineViewportStateCreateInfo viewportState = {};
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261 | viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
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262 | viewportState.viewportCount = 1;
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263 | viewportState.pViewports = &viewport;
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264 | viewportState.scissorCount = 1;
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265 | viewportState.pScissors = &scissor;
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266 |
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267 | VkPipelineRasterizationStateCreateInfo rasterizer = {};
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268 | rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
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269 | rasterizer.depthClampEnable = VK_FALSE;
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270 | rasterizer.rasterizerDiscardEnable = VK_FALSE;
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271 | rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
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272 | rasterizer.lineWidth = 1.0f;
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273 | rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
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274 | rasterizer.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
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275 | rasterizer.depthBiasEnable = VK_FALSE;
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276 |
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277 | VkPipelineMultisampleStateCreateInfo multisampling = {};
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278 | multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
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279 | multisampling.sampleShadingEnable = VK_FALSE;
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280 | multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
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281 |
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282 | VkPipelineColorBlendAttachmentState colorBlendAttachment = {};
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283 | colorBlendAttachment.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
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284 | colorBlendAttachment.blendEnable = VK_TRUE;
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285 | colorBlendAttachment.colorBlendOp = VK_BLEND_OP_ADD;
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286 | colorBlendAttachment.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
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287 | colorBlendAttachment.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
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288 | colorBlendAttachment.alphaBlendOp = VK_BLEND_OP_ADD;
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289 | colorBlendAttachment.srcAlphaBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
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290 | colorBlendAttachment.dstAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
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291 |
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292 | VkPipelineColorBlendStateCreateInfo colorBlending = {};
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293 | colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
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294 | colorBlending.logicOpEnable = VK_FALSE;
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295 | colorBlending.logicOp = VK_LOGIC_OP_COPY;
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296 | colorBlending.attachmentCount = 1;
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297 | colorBlending.pAttachments = &colorBlendAttachment;
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298 | colorBlending.blendConstants[0] = 0.0f;
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299 | colorBlending.blendConstants[1] = 0.0f;
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300 | colorBlending.blendConstants[2] = 0.0f;
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301 | colorBlending.blendConstants[3] = 0.0f;
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302 |
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303 | VkPipelineDepthStencilStateCreateInfo depthStencil = {};
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304 | depthStencil.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
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305 | depthStencil.depthTestEnable = VK_TRUE;
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306 | depthStencil.depthWriteEnable = VK_TRUE;
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307 | depthStencil.depthCompareOp = VK_COMPARE_OP_LESS;
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308 | depthStencil.depthBoundsTestEnable = VK_FALSE;
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309 | depthStencil.minDepthBounds = 0.0f;
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310 | depthStencil.maxDepthBounds = 1.0f;
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311 | depthStencil.stencilTestEnable = VK_FALSE;
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312 | depthStencil.front = {};
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313 | depthStencil.back = {};
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314 |
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315 | VkPipelineLayoutCreateInfo pipelineLayoutInfo = {};
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316 | pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
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317 | pipelineLayoutInfo.setLayoutCount = 1;
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318 | pipelineLayoutInfo.pSetLayouts = &this->descriptorSetLayout;
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319 | pipelineLayoutInfo.pushConstantRangeCount = 0;
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320 |
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321 | if (vkCreatePipelineLayout(this->device, &pipelineLayoutInfo, nullptr, &this->pipelineLayout) != VK_SUCCESS) {
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322 | throw runtime_error("failed to create pipeline layout!");
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323 | }
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324 |
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325 | VkGraphicsPipelineCreateInfo pipelineInfo = {};
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326 | pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
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327 | pipelineInfo.stageCount = 2;
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328 | pipelineInfo.pStages = shaderStages;
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329 | pipelineInfo.pVertexInputState = &vertexInputInfo;
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330 | pipelineInfo.pInputAssemblyState = &inputAssembly;
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331 | pipelineInfo.pViewportState = &viewportState;
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332 | pipelineInfo.pRasterizationState = &rasterizer;
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333 | pipelineInfo.pMultisampleState = &multisampling;
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334 | pipelineInfo.pDepthStencilState = &depthStencil;
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335 | pipelineInfo.pColorBlendState = &colorBlending;
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336 | pipelineInfo.pDynamicState = nullptr;
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337 | pipelineInfo.layout = this->pipelineLayout;
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338 | pipelineInfo.renderPass = this->renderPass;
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339 | pipelineInfo.subpass = 0;
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340 | pipelineInfo.basePipelineHandle = VK_NULL_HANDLE;
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341 | pipelineInfo.basePipelineIndex = -1;
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342 |
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343 | if (vkCreateGraphicsPipelines(this->device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &this->pipeline) != VK_SUCCESS) {
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344 | throw runtime_error("failed to create graphics pipeline!");
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345 | }
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346 |
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347 | vkDestroyShaderModule(this->device, vertShaderModule, nullptr);
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348 | vkDestroyShaderModule(this->device, fragShaderModule, nullptr);
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349 | }
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350 |
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351 | template<class VertexType>
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352 | void GraphicsPipeline_Vulkan<VertexType>::createDescriptorSetLayout() {
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353 | vector<VkDescriptorSetLayoutBinding> bindings(this->descriptorInfoList.size());
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354 |
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355 | for (size_t i = 0; i < bindings.size(); i++) {
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356 | bindings[i].binding = i;
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357 | bindings[i].descriptorCount = 1;
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358 | bindings[i].descriptorType = this->descriptorInfoList[i].type;
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359 | bindings[i].stageFlags = this->descriptorInfoList[i].stageFlags;
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360 | bindings[i].pImmutableSamplers = nullptr;
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361 | }
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362 |
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363 | VkDescriptorSetLayoutCreateInfo layoutInfo = {};
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364 | layoutInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
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365 | layoutInfo.bindingCount = static_cast<uint32_t>(bindings.size());
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366 | layoutInfo.pBindings = bindings.data();
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367 |
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368 | if (vkCreateDescriptorSetLayout(this->device, &layoutInfo, nullptr, &this->descriptorSetLayout) != VK_SUCCESS) {
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369 | throw runtime_error("failed to create descriptor set layout!");
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370 | }
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371 | }
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372 |
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373 | template<class VertexType>
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374 | void GraphicsPipeline_Vulkan<VertexType>::createDescriptorPool(vector<VkImage>& swapChainImages) {
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375 | vector<VkDescriptorPoolSize> poolSizes(this->descriptorInfoList.size());
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376 |
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377 | for (size_t i = 0; i < poolSizes.size(); i++) {
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378 | poolSizes[i].type = this->descriptorInfoList[i].type;
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379 | poolSizes[i].descriptorCount = static_cast<uint32_t>(swapChainImages.size());
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380 | }
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381 |
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382 | VkDescriptorPoolCreateInfo poolInfo = {};
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383 | poolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
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384 | poolInfo.poolSizeCount = static_cast<uint32_t>(poolSizes.size());
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385 | poolInfo.pPoolSizes = poolSizes.data();
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386 | poolInfo.maxSets = static_cast<uint32_t>(swapChainImages.size());
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387 |
|
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388 | if (vkCreateDescriptorPool(this->device, &poolInfo, nullptr, &this->descriptorPool) != VK_SUCCESS) {
|
---|
389 | throw runtime_error("failed to create descriptor pool!");
|
---|
390 | }
|
---|
391 | }
|
---|
392 |
|
---|
393 | // TODO: Since I only need the size of the swapChainImages array, I should just pass that in instead of the whole array
|
---|
394 | template<class VertexType>
|
---|
395 | void GraphicsPipeline_Vulkan<VertexType>::createDescriptorSets(vector<VkImage>& swapChainImages) {
|
---|
396 | vector<VkDescriptorSetLayout> layouts(swapChainImages.size(), this->descriptorSetLayout);
|
---|
397 |
|
---|
398 | VkDescriptorSetAllocateInfo allocInfo = {};
|
---|
399 | allocInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
|
---|
400 | allocInfo.descriptorPool = this->descriptorPool;
|
---|
401 | allocInfo.descriptorSetCount = static_cast<uint32_t>(swapChainImages.size());
|
---|
402 | allocInfo.pSetLayouts = layouts.data();
|
---|
403 |
|
---|
404 | this->descriptorSets.resize(swapChainImages.size());
|
---|
405 | if (vkAllocateDescriptorSets(device, &allocInfo, this->descriptorSets.data()) != VK_SUCCESS) {
|
---|
406 | throw runtime_error("failed to allocate descriptor sets!");
|
---|
407 | }
|
---|
408 |
|
---|
409 | for (size_t i = 0; i < swapChainImages.size(); i++) {
|
---|
410 | vector<VkWriteDescriptorSet> descriptorWrites(this->descriptorInfoList.size());
|
---|
411 |
|
---|
412 | for (size_t j = 0; j < descriptorWrites.size(); j++) {
|
---|
413 | descriptorWrites[j].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
|
---|
414 | descriptorWrites[j].dstSet = this->descriptorSets[i];
|
---|
415 | descriptorWrites[j].dstBinding = j;
|
---|
416 | descriptorWrites[j].dstArrayElement = 0;
|
---|
417 | descriptorWrites[j].descriptorType = this->descriptorInfoList[j].type;
|
---|
418 | descriptorWrites[j].descriptorCount = 1;
|
---|
419 | descriptorWrites[j].pBufferInfo = nullptr;
|
---|
420 | descriptorWrites[j].pImageInfo = nullptr;
|
---|
421 | descriptorWrites[j].pTexelBufferView = nullptr;
|
---|
422 |
|
---|
423 | switch (descriptorWrites[j].descriptorType) {
|
---|
424 | case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
|
---|
425 | case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
|
---|
426 | case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
|
---|
427 | descriptorWrites[j].pBufferInfo = &(*this->descriptorInfoList[j].bufferDataList)[i];
|
---|
428 | break;
|
---|
429 | case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
|
---|
430 | descriptorWrites[j].pImageInfo = this->descriptorInfoList[j].imageData;
|
---|
431 | break;
|
---|
432 | default:
|
---|
433 | throw runtime_error("Unknown descriptor type: " + to_string(descriptorWrites[j].descriptorType));
|
---|
434 | }
|
---|
435 | }
|
---|
436 |
|
---|
437 | vkUpdateDescriptorSets(this->device, static_cast<uint32_t>(descriptorWrites.size()), descriptorWrites.data(), 0, nullptr);
|
---|
438 | }
|
---|
439 | }
|
---|
440 |
|
---|
441 | template<class VertexType>
|
---|
442 | void GraphicsPipeline_Vulkan<VertexType>::createRenderCommands(VkCommandBuffer& commandBuffer, uint32_t currentImage) {
|
---|
443 | vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
|
---|
444 |
|
---|
445 | vkCmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1,
|
---|
446 | &descriptorSets[currentImage], 0, nullptr);
|
---|
447 |
|
---|
448 | VkBuffer vertexBuffers[] = { vertexBuffer };
|
---|
449 | VkDeviceSize offsets[] = { 0 };
|
---|
450 | vkCmdBindVertexBuffers(commandBuffer, 0, 1, vertexBuffers, offsets);
|
---|
451 |
|
---|
452 | vkCmdBindIndexBuffer(commandBuffer, indexBuffer, 0, VK_INDEX_TYPE_UINT16);
|
---|
453 |
|
---|
454 | vkCmdDrawIndexed(commandBuffer, static_cast<uint32_t>(numIndices), 1, 0, 0, 0);
|
---|
455 | }
|
---|
456 |
|
---|
457 | template<class VertexType>
|
---|
458 | void GraphicsPipeline_Vulkan<VertexType>::addObject(const vector<VertexType>& vertices, vector<uint16_t> indices,
|
---|
459 | VkCommandPool commandPool, VkQueue graphicsQueue) {
|
---|
460 | // TODO: When resizing the vertex or index buffer, take deleted objects into account.
|
---|
461 | // Remove their data from the buffer and determine the new size of the bufer based on # of remining objects
|
---|
462 |
|
---|
463 | // If # non-deleted objects > currentCapacity / 2
|
---|
464 | // - resize and double capacity
|
---|
465 | // else If # non-deleted objects < currentCapacity / 4
|
---|
466 | // - resize amd halve capacity
|
---|
467 | // else
|
---|
468 | // - don't resize, but rewrite data in the buffer to only have non-deleted objects
|
---|
469 |
|
---|
470 | if (this->numVertices + vertices.size() > this->vertexCapacity) {
|
---|
471 | resizeVertexBuffer(commandPool, graphicsQueue);
|
---|
472 | }
|
---|
473 | VulkanUtils::copyDataToBuffer(this->device, this->physicalDevice, commandPool, vertices,
|
---|
474 | this->vertexBuffer, this->numVertices, graphicsQueue);
|
---|
475 | this->numVertices += vertices.size();
|
---|
476 |
|
---|
477 | if (this->numIndices + indices.size() > this->indexCapacity) {
|
---|
478 | resizeIndexBuffer(commandPool, graphicsQueue);
|
---|
479 | }
|
---|
480 | VulkanUtils::copyDataToBuffer(this->device, this->physicalDevice, commandPool, indices,
|
---|
481 | this->indexBuffer, this->numIndices, graphicsQueue);
|
---|
482 | this->numIndices += indices.size();
|
---|
483 | }
|
---|
484 |
|
---|
485 | // Should only be used if the number of vertices has not changed
|
---|
486 | template<class VertexType>
|
---|
487 | void GraphicsPipeline_Vulkan<VertexType>::updateObjectVertices(size_t objIndex,
|
---|
488 | const vector<VertexType>& vertices, VkCommandPool commandPool, VkQueue graphicsQueue) {
|
---|
489 | VulkanUtils::copyDataToBuffer(this->device, this->physicalDevice, commandPool, vertices,
|
---|
490 | this->vertexBuffer, objIndex * vertices.size(), graphicsQueue);
|
---|
491 | }
|
---|
492 |
|
---|
493 | template<class VertexType>
|
---|
494 | void GraphicsPipeline_Vulkan<VertexType>::cleanup() {
|
---|
495 | vkDestroyPipeline(device, pipeline, nullptr);
|
---|
496 | vkDestroyDescriptorPool(device, descriptorPool, nullptr);
|
---|
497 |
|
---|
498 | // TODO: I read that the pipeline layout does not have to be recreated every time
|
---|
499 | // Try only creating it once
|
---|
500 | vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
|
---|
501 | }
|
---|
502 |
|
---|
503 | template<class VertexType>
|
---|
504 | void GraphicsPipeline_Vulkan<VertexType>::cleanupBuffers() {
|
---|
505 | vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
|
---|
506 |
|
---|
507 | vkDestroyBuffer(device, vertexBuffer, nullptr);
|
---|
508 | vkFreeMemory(device, vertexBufferMemory, nullptr);
|
---|
509 | vkDestroyBuffer(device, indexBuffer, nullptr);
|
---|
510 | vkFreeMemory(device, indexBufferMemory, nullptr);
|
---|
511 | }
|
---|
512 |
|
---|
513 | /*** PRIVATE METHODS ***/
|
---|
514 |
|
---|
515 | template<class VertexType>
|
---|
516 | VkShaderModule GraphicsPipeline_Vulkan<VertexType>::createShaderModule(const vector<char>& code) {
|
---|
517 | VkShaderModuleCreateInfo createInfo = {};
|
---|
518 | createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
|
---|
519 | createInfo.codeSize = code.size();
|
---|
520 | createInfo.pCode = reinterpret_cast<const uint32_t*>(code.data());
|
---|
521 |
|
---|
522 | VkShaderModule shaderModule;
|
---|
523 | if (vkCreateShaderModule(this->device, &createInfo, nullptr, &shaderModule) != VK_SUCCESS) {
|
---|
524 | throw runtime_error("failed to create shader module!");
|
---|
525 | }
|
---|
526 |
|
---|
527 | return shaderModule;
|
---|
528 | }
|
---|
529 |
|
---|
530 | template<class VertexType>
|
---|
531 | vector<char> GraphicsPipeline_Vulkan<VertexType>::readFile(const string& filename) {
|
---|
532 | ifstream file(filename, ios::ate | ios::binary);
|
---|
533 |
|
---|
534 | if (!file.is_open()) {
|
---|
535 | throw runtime_error("failed to open file!");
|
---|
536 | }
|
---|
537 |
|
---|
538 | size_t fileSize = (size_t)file.tellg();
|
---|
539 | vector<char> buffer(fileSize);
|
---|
540 |
|
---|
541 | file.seekg(0);
|
---|
542 | file.read(buffer.data(), fileSize);
|
---|
543 |
|
---|
544 | file.close();
|
---|
545 |
|
---|
546 | return buffer;
|
---|
547 | }
|
---|
548 |
|
---|
549 | template<class VertexType>
|
---|
550 | void GraphicsPipeline_Vulkan<VertexType>::resizeVertexBuffer(VkCommandPool commandPool, VkQueue graphicsQueue) {
|
---|
551 | VkBuffer newVertexBuffer;
|
---|
552 | VkDeviceMemory newVertexBufferMemory;
|
---|
553 | this->vertexCapacity *= 2;
|
---|
554 |
|
---|
555 | VulkanUtils::createBuffer(this->device, this->physicalDevice, this->vertexCapacity * sizeof(VertexType),
|
---|
556 | VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
|
---|
557 | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, newVertexBuffer, newVertexBufferMemory);
|
---|
558 |
|
---|
559 | VulkanUtils::copyBuffer(this->device, commandPool, vertexBuffer, newVertexBuffer, 0, 0, numVertices * sizeof(VertexType), graphicsQueue);
|
---|
560 |
|
---|
561 | vkDestroyBuffer(this->device, vertexBuffer, nullptr);
|
---|
562 | vkFreeMemory(this->device, vertexBufferMemory, nullptr);
|
---|
563 |
|
---|
564 | vertexBuffer = newVertexBuffer;
|
---|
565 | vertexBufferMemory = newVertexBufferMemory;
|
---|
566 | }
|
---|
567 |
|
---|
568 | template<class VertexType>
|
---|
569 | void GraphicsPipeline_Vulkan<VertexType>::resizeIndexBuffer(VkCommandPool commandPool, VkQueue graphicsQueue) {
|
---|
570 | VkBuffer newIndexBuffer;
|
---|
571 | VkDeviceMemory newIndexBufferMemory;
|
---|
572 | this->indexCapacity *= 2;
|
---|
573 |
|
---|
574 | VulkanUtils::createBuffer(this->device, this->physicalDevice, this->indexCapacity * sizeof(uint16_t),
|
---|
575 | VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
|
---|
576 | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, newIndexBuffer, newIndexBufferMemory);
|
---|
577 |
|
---|
578 | VulkanUtils::copyBuffer(this->device, commandPool, indexBuffer, newIndexBuffer, 0, 0, numIndices * sizeof(uint16_t), graphicsQueue);
|
---|
579 |
|
---|
580 | vkDestroyBuffer(this->device, indexBuffer, nullptr);
|
---|
581 | vkFreeMemory(this->device, indexBufferMemory, nullptr);
|
---|
582 |
|
---|
583 | indexBuffer = newIndexBuffer;
|
---|
584 | indexBufferMemory = newIndexBufferMemory;
|
---|
585 | }
|
---|
586 |
|
---|
587 | #endif // _GRAPHICS_PIPELINE_VULKAN_H
|
---|