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 | struct StorageBufferSet {
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35 | vector<VkBuffer> buffers;
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36 | vector<VkDeviceMemory> memory;
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37 | vector<VkDescriptorBufferInfo> infoSet;
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38 | };
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39 |
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40 | template<class VertexType, class SSBOType>
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41 | class GraphicsPipeline_Vulkan : public GraphicsPipeline {
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42 | public:
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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(VkPhysicalDevice physicalDevice, VkDevice device, VkRenderPass renderPass,
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49 | 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 | void addStorageDescriptor();
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62 |
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63 | void addDescriptorInfo(VkDescriptorType type, VkShaderStageFlags stageFlags, 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 createPipeline(string vertShaderFile, string fragShaderFile);
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67 | void createDescriptorSetLayout();
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68 | void createDescriptorPool(vector<VkImage>& swapChainImages);
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69 | void createDescriptorSets(vector<VkImage>& swapChainImages);
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70 |
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71 | void createRenderCommands(VkCommandBuffer& commandBuffer, uint32_t currentImage);
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72 |
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73 | void addVertices(const vector<VertexType>& vertices, vector<uint16_t> indices, VkCommandPool commandPool,
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74 | VkQueue graphicsQueue);
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75 |
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76 | void updateObject(size_t objIndex, SSBOType& ssbo);
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77 |
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78 | void cleanup();
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79 | void cleanupBuffers();
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80 |
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81 | private:
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82 | VkPhysicalDevice physicalDevice;
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83 | VkDevice device;
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84 | VkRenderPass renderPass;
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85 |
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86 | VkPipeline pipeline;
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87 | VkPipelineLayout pipelineLayout;
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88 |
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89 | VkVertexInputBindingDescription bindingDescription;
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90 |
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91 | vector<VkVertexInputAttributeDescription> attributeDescriptions;
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92 | vector<DescriptorInfo> descriptorInfoList;
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93 |
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94 | VkDescriptorSetLayout descriptorSetLayout;
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95 | VkDescriptorPool descriptorPool;
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96 | vector<VkDescriptorSet> descriptorSets;
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97 |
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98 | size_t numVertices;
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99 | size_t vertexCapacity;
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100 | VkBuffer vertexBuffer;
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101 | VkDeviceMemory vertexBufferMemory;
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102 |
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103 | size_t numIndices;
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104 | size_t indexCapacity;
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105 | VkBuffer indexBuffer;
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106 | VkDeviceMemory indexBufferMemory;
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107 |
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108 | size_t numObjects;
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109 | size_t objectCapacity;
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110 |
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111 | StorageBufferSet storageBufferSet;
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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, class SSBOType>
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123 | GraphicsPipeline_Vulkan<VertexType, SSBOType>::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 | template<class VertexType, class SSBOType>
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128 | GraphicsPipeline_Vulkan<VertexType, SSBOType>::GraphicsPipeline_Vulkan(
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129 | VkPhysicalDevice physicalDevice, VkDevice device,
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130 | VkRenderPass renderPass, Viewport viewport, vector<VkImage>& swapChainImages,
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131 | size_t vertexCapacity, size_t indexCapacity, size_t objectCapacity) {
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132 | this->physicalDevice = physicalDevice;
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133 | this->device = device;
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134 | this->renderPass = renderPass;
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135 | this->viewport = viewport;
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136 |
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137 | // Since there is only one array of vertex data, we use binding = 0
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138 | // I'll probably do that for the foreseeable future
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139 | // I can calculate the stride myself given info about all the varying attributes
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140 | this->bindingDescription.binding = 0;
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141 | this->bindingDescription.stride = sizeof(VertexType);
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142 | this->bindingDescription.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
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143 |
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144 | this->numVertices = 0;
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145 | this->vertexCapacity = vertexCapacity;
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146 |
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147 | VulkanUtils::createBuffer(device, physicalDevice, vertexCapacity * sizeof(VertexType),
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148 | VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
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149 | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vertexBuffer, vertexBufferMemory);
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150 |
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151 | this->numIndices = 0;
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152 | this->indexCapacity = indexCapacity;
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153 |
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154 | VulkanUtils::createBuffer(device, physicalDevice, indexCapacity * sizeof(uint16_t),
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155 | VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
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156 | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, indexBuffer, indexBufferMemory);
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157 |
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158 | this->numObjects = 0;
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159 | this->objectCapacity = objectCapacity;
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160 |
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161 | // Hacky way to allow an SSBO to be optional
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162 | // Specifying void* as the SSBOType will skip allocating the related buffers
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163 | if (!is_same_v<SSBOType, void*>) {
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164 | VkDeviceSize bufferSize = objectCapacity * sizeof(SSBOType);
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165 | cout << "NUM SWAP CHAIN IMAGES: " << swapChainImages.size() << endl;
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166 |
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167 | storageBufferSet.buffers.resize(swapChainImages.size());
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168 | storageBufferSet.memory.resize(swapChainImages.size());
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169 | storageBufferSet.infoSet.resize(swapChainImages.size());
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170 |
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171 | for (size_t i = 0; i < swapChainImages.size(); i++) {
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172 | VulkanUtils::createBuffer(this->device, this->physicalDevice, bufferSize,
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173 | VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
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174 | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
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175 | storageBufferSet.buffers[i], storageBufferSet.memory[i]);
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176 |
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177 | storageBufferSet.infoSet[i].buffer = storageBufferSet.buffers[i];
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178 | storageBufferSet.infoSet[i].offset = 0; // This is the offset from the start of the buffer, so always 0 for now
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179 | storageBufferSet.infoSet[i].range = bufferSize; // Size of the update starting from offset, or VK_WHOLE_SIZE
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180 | }
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181 | }
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182 | }
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183 |
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184 | // TODO: Move as much cleanup as I can into the destructor
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185 | template<class VertexType, class SSBOType>
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186 | GraphicsPipeline_Vulkan<VertexType, SSBOType>::~GraphicsPipeline_Vulkan() {
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187 | }
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188 |
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189 | template<class VertexType, class SSBOType>
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190 | size_t GraphicsPipeline_Vulkan<VertexType, SSBOType>::getNumVertices() {
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191 | return numVertices;
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192 | }
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193 |
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194 | template<class VertexType, class SSBOType>
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195 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::updateRenderPass(VkRenderPass renderPass) {
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196 | this->renderPass = renderPass;
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197 | }
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198 |
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199 | template<class VertexType, class SSBOType>
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200 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::addAttribute(VkFormat format, size_t offset) {
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201 | VkVertexInputAttributeDescription attributeDesc = {};
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202 |
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203 | attributeDesc.binding = 0;
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204 | attributeDesc.location = this->attributeDescriptions.size();
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205 | attributeDesc.format = format;
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206 | attributeDesc.offset = offset;
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207 |
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208 | this->attributeDescriptions.push_back(attributeDesc);
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209 | }
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210 |
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211 | template<class VertexType, class SSBOType>
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212 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::addStorageDescriptor() {
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213 | if (!is_same_v<SSBOType, void*>) {
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214 | addDescriptorInfo(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
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215 | VK_SHADER_STAGE_VERTEX_BIT, &storageBufferSet.infoSet);
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216 | }
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217 | }
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218 |
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219 | template<class VertexType, class SSBOType>
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220 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::addDescriptorInfo(VkDescriptorType type,
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221 | VkShaderStageFlags stageFlags, vector<VkDescriptorBufferInfo>* bufferData) {
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222 | this->descriptorInfoList.push_back({ type, stageFlags, bufferData, nullptr });
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223 | }
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224 |
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225 | template<class VertexType, class SSBOType>
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226 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::addDescriptorInfo(VkDescriptorType type,
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227 | VkShaderStageFlags stageFlags, VkDescriptorImageInfo* imageData) {
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228 | this->descriptorInfoList.push_back({ type, stageFlags, nullptr, imageData });
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229 | }
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230 |
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231 | template<class VertexType, class SSBOType>
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232 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::createPipeline(string vertShaderFile, string fragShaderFile) {
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233 | vector<char> vertShaderCode = readFile(vertShaderFile);
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234 | vector<char> fragShaderCode = readFile(fragShaderFile);
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235 |
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236 | VkShaderModule vertShaderModule = createShaderModule(vertShaderCode);
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237 | VkShaderModule fragShaderModule = createShaderModule(fragShaderCode);
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238 |
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239 | VkPipelineShaderStageCreateInfo vertShaderStageInfo = {};
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240 | vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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241 | vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
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242 | vertShaderStageInfo.module = vertShaderModule;
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243 | vertShaderStageInfo.pName = "main";
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244 |
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245 | VkPipelineShaderStageCreateInfo fragShaderStageInfo = {};
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246 | fragShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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247 | fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
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248 | fragShaderStageInfo.module = fragShaderModule;
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249 | fragShaderStageInfo.pName = "main";
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250 |
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251 | VkPipelineShaderStageCreateInfo shaderStages[] = { vertShaderStageInfo, fragShaderStageInfo };
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252 |
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253 | VkPipelineVertexInputStateCreateInfo vertexInputInfo = {};
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254 | vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
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255 |
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256 | vertexInputInfo.vertexBindingDescriptionCount = 1;
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257 | vertexInputInfo.vertexAttributeDescriptionCount = static_cast<uint32_t>(this->attributeDescriptions.size());
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258 | vertexInputInfo.pVertexBindingDescriptions = &this->bindingDescription;
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259 | vertexInputInfo.pVertexAttributeDescriptions = this->attributeDescriptions.data();
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260 |
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261 | VkPipelineInputAssemblyStateCreateInfo inputAssembly = {};
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262 | inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
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263 | inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
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264 | inputAssembly.primitiveRestartEnable = VK_FALSE;
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265 |
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266 | VkViewport viewport = {};
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267 | viewport.x = (float)this->viewport.x;
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268 | viewport.y = (float)this->viewport.y;
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269 | viewport.width = (float)this->viewport.width;
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270 | viewport.height = (float)this->viewport.height;
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271 | viewport.minDepth = 0.0f;
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272 | viewport.maxDepth = 1.0f;
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273 |
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274 | VkRect2D scissor = {};
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275 | scissor.offset = { 0, 0 };
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276 | scissor.extent = { (uint32_t)this->viewport.width, (uint32_t)this->viewport.height };
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277 |
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278 | VkPipelineViewportStateCreateInfo viewportState = {};
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279 | viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
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280 | viewportState.viewportCount = 1;
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281 | viewportState.pViewports = &viewport;
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282 | viewportState.scissorCount = 1;
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283 | viewportState.pScissors = &scissor;
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284 |
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285 | VkPipelineRasterizationStateCreateInfo rasterizer = {};
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286 | rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
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287 | rasterizer.depthClampEnable = VK_FALSE;
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288 | rasterizer.rasterizerDiscardEnable = VK_FALSE;
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289 | rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
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290 | rasterizer.lineWidth = 1.0f;
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291 | rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
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292 | rasterizer.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
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293 | rasterizer.depthBiasEnable = VK_FALSE;
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294 |
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295 | VkPipelineMultisampleStateCreateInfo multisampling = {};
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296 | multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
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297 | multisampling.sampleShadingEnable = VK_FALSE;
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298 | multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
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299 |
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300 | VkPipelineColorBlendAttachmentState colorBlendAttachment = {};
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301 | 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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302 | colorBlendAttachment.blendEnable = VK_TRUE;
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303 | colorBlendAttachment.colorBlendOp = VK_BLEND_OP_ADD;
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304 | colorBlendAttachment.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
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305 | colorBlendAttachment.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
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306 | colorBlendAttachment.alphaBlendOp = VK_BLEND_OP_ADD;
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307 | colorBlendAttachment.srcAlphaBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
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308 | colorBlendAttachment.dstAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
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309 |
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310 | VkPipelineColorBlendStateCreateInfo colorBlending = {};
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311 | colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
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312 | colorBlending.logicOpEnable = VK_FALSE;
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313 | colorBlending.logicOp = VK_LOGIC_OP_COPY;
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314 | colorBlending.attachmentCount = 1;
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315 | colorBlending.pAttachments = &colorBlendAttachment;
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316 | colorBlending.blendConstants[0] = 0.0f;
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317 | colorBlending.blendConstants[1] = 0.0f;
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318 | colorBlending.blendConstants[2] = 0.0f;
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319 | colorBlending.blendConstants[3] = 0.0f;
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320 |
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321 | VkPipelineDepthStencilStateCreateInfo depthStencil = {};
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322 | depthStencil.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
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323 | depthStencil.depthTestEnable = VK_TRUE;
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324 | depthStencil.depthWriteEnable = VK_TRUE;
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325 | depthStencil.depthCompareOp = VK_COMPARE_OP_LESS;
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326 | depthStencil.depthBoundsTestEnable = VK_FALSE;
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327 | depthStencil.minDepthBounds = 0.0f;
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328 | depthStencil.maxDepthBounds = 1.0f;
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329 | depthStencil.stencilTestEnable = VK_FALSE;
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330 | depthStencil.front = {};
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331 | depthStencil.back = {};
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332 |
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333 | VkPipelineLayoutCreateInfo pipelineLayoutInfo = {};
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334 | pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
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335 | pipelineLayoutInfo.setLayoutCount = 1;
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336 | pipelineLayoutInfo.pSetLayouts = &this->descriptorSetLayout;
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337 | pipelineLayoutInfo.pushConstantRangeCount = 0;
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338 |
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339 | if (vkCreatePipelineLayout(this->device, &pipelineLayoutInfo, nullptr, &this->pipelineLayout) != VK_SUCCESS) {
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340 | throw runtime_error("failed to create pipeline layout!");
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341 | }
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342 |
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343 | VkGraphicsPipelineCreateInfo pipelineInfo = {};
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344 | pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
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345 | pipelineInfo.stageCount = 2;
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346 | pipelineInfo.pStages = shaderStages;
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347 | pipelineInfo.pVertexInputState = &vertexInputInfo;
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348 | pipelineInfo.pInputAssemblyState = &inputAssembly;
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349 | pipelineInfo.pViewportState = &viewportState;
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350 | pipelineInfo.pRasterizationState = &rasterizer;
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351 | pipelineInfo.pMultisampleState = &multisampling;
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352 | pipelineInfo.pDepthStencilState = &depthStencil;
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353 | pipelineInfo.pColorBlendState = &colorBlending;
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354 | pipelineInfo.pDynamicState = nullptr;
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355 | pipelineInfo.layout = this->pipelineLayout;
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356 | pipelineInfo.renderPass = this->renderPass;
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357 | pipelineInfo.subpass = 0;
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358 | pipelineInfo.basePipelineHandle = VK_NULL_HANDLE;
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359 | pipelineInfo.basePipelineIndex = -1;
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360 |
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361 | if (vkCreateGraphicsPipelines(this->device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &this->pipeline) != VK_SUCCESS) {
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362 | throw runtime_error("failed to create graphics pipeline!");
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363 | }
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364 |
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365 | vkDestroyShaderModule(this->device, vertShaderModule, nullptr);
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366 | vkDestroyShaderModule(this->device, fragShaderModule, nullptr);
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367 | }
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368 |
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369 | template<class VertexType, class SSBOType>
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370 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::createDescriptorSetLayout() {
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371 | vector<VkDescriptorSetLayoutBinding> bindings(this->descriptorInfoList.size());
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372 |
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373 | for (size_t i = 0; i < bindings.size(); i++) {
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374 | bindings[i].binding = i;
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375 | bindings[i].descriptorCount = 1;
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376 | bindings[i].descriptorType = this->descriptorInfoList[i].type;
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377 | bindings[i].stageFlags = this->descriptorInfoList[i].stageFlags;
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378 | bindings[i].pImmutableSamplers = nullptr;
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379 | }
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380 |
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381 | VkDescriptorSetLayoutCreateInfo layoutInfo = {};
|
---|
382 | layoutInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
|
---|
383 | layoutInfo.bindingCount = static_cast<uint32_t>(bindings.size());
|
---|
384 | layoutInfo.pBindings = bindings.data();
|
---|
385 |
|
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386 | if (vkCreateDescriptorSetLayout(this->device, &layoutInfo, nullptr, &this->descriptorSetLayout) != VK_SUCCESS) {
|
---|
387 | throw runtime_error("failed to create descriptor set layout!");
|
---|
388 | }
|
---|
389 | }
|
---|
390 |
|
---|
391 | template<class VertexType, class SSBOType>
|
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392 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::createDescriptorPool(vector<VkImage>& swapChainImages) {
|
---|
393 | vector<VkDescriptorPoolSize> poolSizes(this->descriptorInfoList.size());
|
---|
394 |
|
---|
395 | for (size_t i = 0; i < poolSizes.size(); i++) {
|
---|
396 | poolSizes[i].type = this->descriptorInfoList[i].type;
|
---|
397 | poolSizes[i].descriptorCount = static_cast<uint32_t>(swapChainImages.size());
|
---|
398 | }
|
---|
399 |
|
---|
400 | VkDescriptorPoolCreateInfo poolInfo = {};
|
---|
401 | poolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
|
---|
402 | poolInfo.poolSizeCount = static_cast<uint32_t>(poolSizes.size());
|
---|
403 | poolInfo.pPoolSizes = poolSizes.data();
|
---|
404 | poolInfo.maxSets = static_cast<uint32_t>(swapChainImages.size());
|
---|
405 |
|
---|
406 | if (vkCreateDescriptorPool(this->device, &poolInfo, nullptr, &this->descriptorPool) != VK_SUCCESS) {
|
---|
407 | throw runtime_error("failed to create descriptor pool!");
|
---|
408 | }
|
---|
409 | }
|
---|
410 |
|
---|
411 | // TODO: Since I only need the size of the swapChainImages array, I should just pass that in instead of the whole array
|
---|
412 | template<class VertexType, class SSBOType>
|
---|
413 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::createDescriptorSets(vector<VkImage>& swapChainImages) {
|
---|
414 | vector<VkDescriptorSetLayout> layouts(swapChainImages.size(), this->descriptorSetLayout);
|
---|
415 |
|
---|
416 | VkDescriptorSetAllocateInfo allocInfo = {};
|
---|
417 | allocInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
|
---|
418 | allocInfo.descriptorPool = this->descriptorPool;
|
---|
419 | allocInfo.descriptorSetCount = static_cast<uint32_t>(swapChainImages.size());
|
---|
420 | allocInfo.pSetLayouts = layouts.data();
|
---|
421 |
|
---|
422 | this->descriptorSets.resize(swapChainImages.size());
|
---|
423 | if (vkAllocateDescriptorSets(device, &allocInfo, this->descriptorSets.data()) != VK_SUCCESS) {
|
---|
424 | throw runtime_error("failed to allocate descriptor sets!");
|
---|
425 | }
|
---|
426 |
|
---|
427 | for (size_t i = 0; i < swapChainImages.size(); i++) {
|
---|
428 | vector<VkWriteDescriptorSet> descriptorWrites(this->descriptorInfoList.size());
|
---|
429 |
|
---|
430 | for (size_t j = 0; j < descriptorWrites.size(); j++) {
|
---|
431 | descriptorWrites[j].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
|
---|
432 | descriptorWrites[j].dstSet = this->descriptorSets[i];
|
---|
433 | descriptorWrites[j].dstBinding = j;
|
---|
434 | descriptorWrites[j].dstArrayElement = 0;
|
---|
435 | descriptorWrites[j].descriptorType = this->descriptorInfoList[j].type;
|
---|
436 | descriptorWrites[j].descriptorCount = 1;
|
---|
437 | descriptorWrites[j].pBufferInfo = nullptr;
|
---|
438 | descriptorWrites[j].pImageInfo = nullptr;
|
---|
439 | descriptorWrites[j].pTexelBufferView = nullptr;
|
---|
440 |
|
---|
441 | switch (descriptorWrites[j].descriptorType) {
|
---|
442 | case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
|
---|
443 | case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
|
---|
444 | descriptorWrites[j].pBufferInfo = &(*this->descriptorInfoList[j].bufferDataList)[i];
|
---|
445 | break;
|
---|
446 | case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
|
---|
447 | descriptorWrites[j].pImageInfo = this->descriptorInfoList[j].imageData;
|
---|
448 | break;
|
---|
449 | default:
|
---|
450 | throw runtime_error("Unknown descriptor type: " + to_string(descriptorWrites[j].descriptorType));
|
---|
451 | }
|
---|
452 | }
|
---|
453 |
|
---|
454 | vkUpdateDescriptorSets(this->device, static_cast<uint32_t>(descriptorWrites.size()), descriptorWrites.data(), 0, nullptr);
|
---|
455 | }
|
---|
456 | }
|
---|
457 |
|
---|
458 | template<class VertexType, class SSBOType>
|
---|
459 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::createRenderCommands(VkCommandBuffer& commandBuffer,
|
---|
460 | uint32_t currentImage) {
|
---|
461 | vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
|
---|
462 | vkCmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1,
|
---|
463 | &descriptorSets[currentImage], 0, nullptr);
|
---|
464 |
|
---|
465 | VkBuffer vertexBuffers[] = { vertexBuffer };
|
---|
466 | VkDeviceSize offsets[] = { 0 };
|
---|
467 | vkCmdBindVertexBuffers(commandBuffer, 0, 1, vertexBuffers, offsets);
|
---|
468 |
|
---|
469 | vkCmdBindIndexBuffer(commandBuffer, indexBuffer, 0, VK_INDEX_TYPE_UINT16);
|
---|
470 |
|
---|
471 | vkCmdDrawIndexed(commandBuffer, static_cast<uint32_t>(numIndices), 1, 0, 0, 0);
|
---|
472 | }
|
---|
473 |
|
---|
474 | template<class VertexType, class SSBOType>
|
---|
475 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::addVertices(const vector<VertexType>& vertices, vector<uint16_t> indices,
|
---|
476 | VkCommandPool commandPool, VkQueue graphicsQueue) {
|
---|
477 |
|
---|
478 | if (numVertices + vertices.size() > vertexCapacity) {
|
---|
479 | resizeVertexBuffer(commandPool, graphicsQueue);
|
---|
480 | }
|
---|
481 | if (numIndices + indices.size() > indexCapacity) {
|
---|
482 | resizeIndexBuffer(commandPool, graphicsQueue);
|
---|
483 | }
|
---|
484 |
|
---|
485 | VulkanUtils::copyDataToBuffer(device, physicalDevice, commandPool, vertices, vertexBuffer, numVertices,
|
---|
486 | graphicsQueue);
|
---|
487 | numVertices += vertices.size();
|
---|
488 |
|
---|
489 | VulkanUtils::copyDataToBuffer(device, physicalDevice, commandPool, indices, indexBuffer, numIndices,
|
---|
490 | graphicsQueue);
|
---|
491 | numIndices += indices.size();
|
---|
492 | }
|
---|
493 |
|
---|
494 | template<class VertexType, class SSBOType>
|
---|
495 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::updateObject(size_t objIndex, SSBOType& ssbo) {
|
---|
496 | if (!is_same_v<SSBOType, void*>) {
|
---|
497 | for (size_t i = 0; i < storageBufferSet.memory.size(); i++) {
|
---|
498 | VulkanUtils::copyDataToMemory(device, storageBufferSet.memory[i], objIndex, ssbo);
|
---|
499 | }
|
---|
500 | }
|
---|
501 | }
|
---|
502 |
|
---|
503 | template<class VertexType, class SSBOType>
|
---|
504 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::cleanup() {
|
---|
505 | vkDestroyPipeline(device, pipeline, nullptr);
|
---|
506 | vkDestroyDescriptorPool(device, descriptorPool, nullptr);
|
---|
507 |
|
---|
508 | // TODO: I read that the pipeline layout does not have to be recreated every time
|
---|
509 | // Try only creating it once
|
---|
510 | vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
|
---|
511 | }
|
---|
512 |
|
---|
513 | template<class VertexType, class SSBOType>
|
---|
514 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::cleanupBuffers() {
|
---|
515 | vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
|
---|
516 |
|
---|
517 | vkDestroyBuffer(device, vertexBuffer, nullptr);
|
---|
518 | vkFreeMemory(device, vertexBufferMemory, nullptr);
|
---|
519 | vkDestroyBuffer(device, indexBuffer, nullptr);
|
---|
520 | vkFreeMemory(device, indexBufferMemory, nullptr);
|
---|
521 |
|
---|
522 | if (!is_same_v<SSBOType, void*>) {
|
---|
523 | for (size_t i = 0; i < storageBufferSet.buffers.size(); i++) {
|
---|
524 | vkDestroyBuffer(device, storageBufferSet.buffers[i], nullptr);
|
---|
525 | vkFreeMemory(device, storageBufferSet.memory[i], nullptr);
|
---|
526 | }
|
---|
527 | }
|
---|
528 | }
|
---|
529 |
|
---|
530 | /*** PRIVATE METHODS ***/
|
---|
531 |
|
---|
532 | template<class VertexType, class SSBOType>
|
---|
533 | VkShaderModule GraphicsPipeline_Vulkan<VertexType, SSBOType>::createShaderModule(const vector<char>& code) {
|
---|
534 | VkShaderModuleCreateInfo createInfo = {};
|
---|
535 | createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
|
---|
536 | createInfo.codeSize = code.size();
|
---|
537 | createInfo.pCode = reinterpret_cast<const uint32_t*>(code.data());
|
---|
538 |
|
---|
539 | VkShaderModule shaderModule;
|
---|
540 | if (vkCreateShaderModule(this->device, &createInfo, nullptr, &shaderModule) != VK_SUCCESS) {
|
---|
541 | throw runtime_error("failed to create shader module!");
|
---|
542 | }
|
---|
543 |
|
---|
544 | return shaderModule;
|
---|
545 | }
|
---|
546 |
|
---|
547 | template<class VertexType, class SSBOType>
|
---|
548 | vector<char> GraphicsPipeline_Vulkan<VertexType, SSBOType>::readFile(const string& filename) {
|
---|
549 | ifstream file(filename, ios::ate | ios::binary);
|
---|
550 |
|
---|
551 | if (!file.is_open()) {
|
---|
552 | throw runtime_error("failed to open file!");
|
---|
553 | }
|
---|
554 |
|
---|
555 | size_t fileSize = (size_t)file.tellg();
|
---|
556 | vector<char> buffer(fileSize);
|
---|
557 |
|
---|
558 | file.seekg(0);
|
---|
559 | file.read(buffer.data(), fileSize);
|
---|
560 |
|
---|
561 | file.close();
|
---|
562 |
|
---|
563 | return buffer;
|
---|
564 | }
|
---|
565 |
|
---|
566 | template<class VertexType, class SSBOType>
|
---|
567 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::resizeVertexBuffer(VkCommandPool commandPool,
|
---|
568 | VkQueue graphicsQueue) {
|
---|
569 | VkBuffer newVertexBuffer;
|
---|
570 | VkDeviceMemory newVertexBufferMemory;
|
---|
571 | this->vertexCapacity *= 2;
|
---|
572 |
|
---|
573 | VulkanUtils::createBuffer(this->device, this->physicalDevice, this->vertexCapacity * sizeof(VertexType),
|
---|
574 | VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
|
---|
575 | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, newVertexBuffer, newVertexBufferMemory);
|
---|
576 |
|
---|
577 | VulkanUtils::copyBuffer(this->device, commandPool, vertexBuffer, newVertexBuffer, 0, 0, numVertices * sizeof(VertexType), graphicsQueue);
|
---|
578 |
|
---|
579 | vkDestroyBuffer(this->device, vertexBuffer, nullptr);
|
---|
580 | vkFreeMemory(this->device, vertexBufferMemory, nullptr);
|
---|
581 |
|
---|
582 | vertexBuffer = newVertexBuffer;
|
---|
583 | vertexBufferMemory = newVertexBufferMemory;
|
---|
584 | }
|
---|
585 |
|
---|
586 | template<class VertexType, class SSBOType>
|
---|
587 | void GraphicsPipeline_Vulkan<VertexType, SSBOType>::resizeIndexBuffer(VkCommandPool commandPool,
|
---|
588 | VkQueue graphicsQueue) {
|
---|
589 | VkBuffer newIndexBuffer;
|
---|
590 | VkDeviceMemory newIndexBufferMemory;
|
---|
591 | this->indexCapacity *= 2;
|
---|
592 |
|
---|
593 | VulkanUtils::createBuffer(this->device, this->physicalDevice, this->indexCapacity * sizeof(uint16_t),
|
---|
594 | VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
|
---|
595 | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, newIndexBuffer, newIndexBufferMemory);
|
---|
596 |
|
---|
597 | VulkanUtils::copyBuffer(this->device, commandPool, indexBuffer, newIndexBuffer, 0, 0, numIndices * sizeof(uint16_t), graphicsQueue);
|
---|
598 |
|
---|
599 | vkDestroyBuffer(this->device, indexBuffer, nullptr);
|
---|
600 | vkFreeMemory(this->device, indexBufferMemory, nullptr);
|
---|
601 |
|
---|
602 | indexBuffer = newIndexBuffer;
|
---|
603 | indexBufferMemory = newIndexBufferMemory;
|
---|
604 | }
|
---|
605 |
|
---|
606 | #endif // _GRAPHICS_PIPELINE_VULKAN_H
|
---|