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 <stdexcept>
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8 | #include <vector>
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9 |
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10 | #include <vulkan/vulkan.h>
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11 |
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12 | #include "vulkan-utils.hpp"
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13 |
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14 | using namespace std;
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15 |
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16 | // TODO: Maybe change the name of this struct so I can call the list something other than descriptorInfoList
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17 | struct DescriptorInfo {
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18 | VkDescriptorType type;
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19 | VkShaderStageFlags stageFlags;
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20 |
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21 | // Only one of the below properties should be set
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22 | vector<VkDescriptorBufferInfo>* bufferDataList;
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23 | VkDescriptorImageInfo* imageData;
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24 | };
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25 |
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26 | template<class VertexType>
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27 | struct SceneObject {
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28 | vector<VertexType> vertices;
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29 | vector<uint16_t> indices; // TODO: Create a typedef for index type so I can easily change uin16_t to something else later
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30 | };
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31 |
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32 | template<class VertexType>
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33 | class GraphicsPipeline_Vulkan : public GraphicsPipeline {
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34 | public:
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35 | GraphicsPipeline_Vulkan();
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36 | GraphicsPipeline_Vulkan(VkPhysicalDevice physicalDevice, VkDevice device, VkRenderPass renderPass,
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37 | Viewport viewport, int vertexSize);
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38 | ~GraphicsPipeline_Vulkan();
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39 |
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40 | void updateRenderPass(VkRenderPass renderPass);
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41 |
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42 | void bindData(const vector<VertexType>& vertices, const vector<uint16_t>& indices,
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43 | VkCommandPool commandPool, VkQueue graphicsQueue);
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44 |
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45 | void createVertexBuffer(const void* bufferData, int vertexSize, VkCommandPool commandPool,
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46 | VkQueue graphicsQueue);
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47 | void createIndexBuffer(const void* bufferData, int indexSize, VkCommandPool commandPool,
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48 | VkQueue graphicsQueue);
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49 |
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50 | // Maybe I should rename these to addVertexAttribute (addVaryingAttribute) and addUniformAttribute
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51 |
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52 | void addAttribute(VkFormat format, size_t offset);
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53 |
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54 | void addDescriptorInfo(VkDescriptorType type, VkShaderStageFlags stageFlags, vector<VkDescriptorBufferInfo>* bufferData);
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55 | void addDescriptorInfo(VkDescriptorType type, VkShaderStageFlags stageFlags, VkDescriptorImageInfo* imageData);
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56 |
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57 | void createPipeline(string vertShaderFile, string fragShaderFile);
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58 | void createDescriptorSetLayout();
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59 | void createDescriptorPool(vector<VkImage>& swapChainImages);
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60 | void createDescriptorSets(vector<VkImage>& swapChainImages);
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61 |
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62 | void createRenderCommands(VkCommandBuffer& commandBuffer, uint32_t currentImage);
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63 |
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64 | bool addObject(const vector<VertexType>& vertices, vector<uint16_t>& indices, VkCommandPool commandPool,
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65 | VkQueue graphicsQueue);
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66 |
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67 | void cleanup();
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68 | void cleanupBuffers();
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69 |
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70 | private:
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71 | VkPhysicalDevice physicalDevice;
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72 | VkDevice device;
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73 | VkRenderPass renderPass;
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74 |
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75 | VkPipeline pipeline;
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76 | VkPipelineLayout pipelineLayout;
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77 |
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78 | VkVertexInputBindingDescription bindingDescription;
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79 |
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80 | vector<VkVertexInputAttributeDescription> attributeDescriptions;
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81 | vector<DescriptorInfo> descriptorInfoList;
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82 |
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83 | VkDescriptorSetLayout descriptorSetLayout;
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84 | VkDescriptorPool descriptorPool;
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85 | vector<VkDescriptorSet> descriptorSets;
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86 |
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87 | size_t numVertices;
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88 | size_t vertexCapacity;
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89 | VkBuffer vertexBuffer;
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90 | VkDeviceMemory vertexBufferMemory;
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91 |
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92 | size_t numIndices;
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93 | size_t indexCapacity;
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94 | VkBuffer indexBuffer;
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95 | VkDeviceMemory indexBufferMemory;
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96 |
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97 | vector<SceneObject<VertexType>> objects;
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98 |
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99 | VkShaderModule createShaderModule(const vector<char>& code);
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100 | vector<char> readFile(const string& filename);
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101 |
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102 | void resizeDataBuffers();
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103 | };
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104 |
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105 | /*** PUBLIC METHODS ***/
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106 |
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107 | template<class VertexType>
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108 | GraphicsPipeline_Vulkan<VertexType>::GraphicsPipeline_Vulkan() {
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109 | }
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110 |
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111 | template<class VertexType>
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112 | GraphicsPipeline_Vulkan<VertexType>::GraphicsPipeline_Vulkan(VkPhysicalDevice physicalDevice, VkDevice device,
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113 | VkRenderPass renderPass, Viewport viewport, int vertexSize) {
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114 | this->physicalDevice = physicalDevice;
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115 | this->device = device;
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116 | this->renderPass = renderPass;
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117 | this->viewport = viewport;
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118 |
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119 | // Since there is only one array of vertex data, we use binding = 0
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120 | // I'll probably do that for the foreseeable future
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121 | // I can calculate the stride myself given info about all the varying attributes
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122 | this->bindingDescription.binding = 0;
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123 | this->bindingDescription.stride = vertexSize;
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124 | this->bindingDescription.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
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125 | }
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126 |
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127 | template<class VertexType>
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128 | GraphicsPipeline_Vulkan<VertexType>::~GraphicsPipeline_Vulkan() {
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129 | }
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130 |
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131 | template<class VertexType>
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132 | void GraphicsPipeline_Vulkan<VertexType>::updateRenderPass(VkRenderPass renderPass) {
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133 | this->renderPass = renderPass;
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134 | }
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135 |
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136 | // TODO: Probably better to template the whole class
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137 | // TODO: Change the index type to uint32_t and check the Vulkan Tutorial loading model section as a reference
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138 |
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139 | // TODO: combine this function and the constructor since I call this right after the constructor anyway
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140 | // TODO: Creating the initial buffers could occur in the constructor and instead of calling this function
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141 | // and passing in vertices and indices, addObject() could be called instead and this function could be
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142 | // removed
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143 | template<class VertexType>
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144 | void GraphicsPipeline_Vulkan<VertexType>::bindData(const vector<VertexType>& vertices, const vector<uint16_t>& indices,
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145 | VkCommandPool commandPool, VkQueue graphicsQueue) {
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146 | numVertices = vertices.size();
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147 | vertexCapacity = numVertices * 2;
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148 | createVertexBuffer(vertices.data(), sizeof(VertexType), commandPool, graphicsQueue);
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149 |
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150 | numIndices = indices.size();
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151 | indexCapacity = numIndices * 2;
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152 | createIndexBuffer(indices.data(), sizeof(uint16_t), commandPool, graphicsQueue);
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153 | }
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154 |
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155 | template<class VertexType>
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156 | void GraphicsPipeline_Vulkan<VertexType>::createVertexBuffer(const void* bufferData, int vertexSize,
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157 | VkCommandPool commandPool, VkQueue graphicsQueue) {
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158 | VkDeviceSize bufferSize = numVertices * vertexSize;
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159 | VkDeviceSize bufferCapacity = vertexCapacity * vertexSize;
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160 |
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161 | VkBuffer stagingBuffer;
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162 | VkDeviceMemory stagingBufferMemory;
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163 | VulkanUtils::createBuffer(device, physicalDevice, bufferSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
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164 | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
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165 | stagingBuffer, stagingBufferMemory);
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166 |
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167 | void* data;
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168 | vkMapMemory(device, stagingBufferMemory, 0, bufferSize, 0, &data);
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169 | memcpy(data, bufferData, (size_t) bufferSize);
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170 | vkUnmapMemory(device, stagingBufferMemory);
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171 |
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172 | VulkanUtils::createBuffer(device, physicalDevice, bufferCapacity,
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173 | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
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174 | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vertexBuffer, vertexBufferMemory);
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175 |
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176 | VulkanUtils::copyBuffer(device, commandPool, stagingBuffer, vertexBuffer, 0, 0, bufferSize, graphicsQueue);
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177 |
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178 | vkDestroyBuffer(device, stagingBuffer, nullptr);
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179 | vkFreeMemory(device, stagingBufferMemory, nullptr);
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180 | }
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181 |
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182 | template<class VertexType>
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183 | void GraphicsPipeline_Vulkan<VertexType>::createIndexBuffer(const void* bufferData, int indexSize,
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184 | VkCommandPool commandPool, VkQueue graphicsQueue) {
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185 | VkDeviceSize bufferSize = numIndices * indexSize;
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186 | VkDeviceSize bufferCapacity = indexCapacity * indexSize;
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187 |
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188 | VkBuffer stagingBuffer;
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189 | VkDeviceMemory stagingBufferMemory;
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190 | VulkanUtils::createBuffer(device, physicalDevice, bufferSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
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191 | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
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192 | stagingBuffer, stagingBufferMemory);
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193 |
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194 | void* data;
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195 | vkMapMemory(device, stagingBufferMemory, 0, bufferSize, 0, &data);
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196 | memcpy(data, bufferData, (size_t) bufferSize);
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197 | vkUnmapMemory(device, stagingBufferMemory);
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198 |
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199 | VulkanUtils::createBuffer(device, physicalDevice, bufferCapacity,
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200 | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
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201 | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, indexBuffer, indexBufferMemory);
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202 |
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203 | VulkanUtils::copyBuffer(device, commandPool, stagingBuffer, indexBuffer, 0, 0, bufferSize, graphicsQueue);
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204 |
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205 | vkDestroyBuffer(device, stagingBuffer, nullptr);
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206 | vkFreeMemory(device, stagingBufferMemory, nullptr);
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207 | }
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208 |
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209 | template<class VertexType>
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210 | void GraphicsPipeline_Vulkan<VertexType>::addAttribute(VkFormat format, size_t offset) {
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211 | VkVertexInputAttributeDescription attributeDesc = {};
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212 |
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213 | attributeDesc.binding = 0;
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214 | attributeDesc.location = this->attributeDescriptions.size();
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215 | attributeDesc.format = format;
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216 | attributeDesc.offset = offset;
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217 |
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218 | this->attributeDescriptions.push_back(attributeDesc);
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219 | }
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220 |
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221 | template<class VertexType>
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222 | void GraphicsPipeline_Vulkan<VertexType>::addDescriptorInfo(VkDescriptorType type, VkShaderStageFlags stageFlags, vector<VkDescriptorBufferInfo>* bufferData) {
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223 | this->descriptorInfoList.push_back({ type, stageFlags, bufferData, nullptr });
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224 | }
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225 |
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226 | template<class VertexType>
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227 | void GraphicsPipeline_Vulkan<VertexType>::addDescriptorInfo(VkDescriptorType type, 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>
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232 | void GraphicsPipeline_Vulkan<VertexType>::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>
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370 | void GraphicsPipeline_Vulkan<VertexType>::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 = {};
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382 | layoutInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
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383 | layoutInfo.bindingCount = static_cast<uint32_t>(bindings.size());
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384 | layoutInfo.pBindings = bindings.data();
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385 |
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386 | if (vkCreateDescriptorSetLayout(this->device, &layoutInfo, nullptr, &this->descriptorSetLayout) != VK_SUCCESS) {
|
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387 | throw runtime_error("failed to create descriptor set layout!");
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388 | }
|
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389 | }
|
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390 |
|
---|
391 | template<class VertexType>
|
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392 | void GraphicsPipeline_Vulkan<VertexType>::createDescriptorPool(vector<VkImage>& swapChainImages) {
|
---|
393 | vector<VkDescriptorPoolSize> poolSizes(this->descriptorInfoList.size());
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394 |
|
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395 | for (size_t i = 0; i < poolSizes.size(); i++) {
|
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396 | poolSizes[i].type = this->descriptorInfoList[i].type;
|
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397 | poolSizes[i].descriptorCount = static_cast<uint32_t>(swapChainImages.size());
|
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398 | }
|
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399 |
|
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400 | VkDescriptorPoolCreateInfo poolInfo = {};
|
---|
401 | poolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
|
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402 | poolInfo.poolSizeCount = static_cast<uint32_t>(poolSizes.size());
|
---|
403 | poolInfo.pPoolSizes = poolSizes.data();
|
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404 | poolInfo.maxSets = static_cast<uint32_t>(swapChainImages.size());
|
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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 | template<class VertexType>
|
---|
412 | void GraphicsPipeline_Vulkan<VertexType>::createDescriptorSets(vector<VkImage>& swapChainImages) {
|
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413 | vector<VkDescriptorSetLayout> layouts(swapChainImages.size(), this->descriptorSetLayout);
|
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414 |
|
---|
415 | VkDescriptorSetAllocateInfo allocInfo = {};
|
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416 | allocInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
|
---|
417 | allocInfo.descriptorPool = this->descriptorPool;
|
---|
418 | allocInfo.descriptorSetCount = static_cast<uint32_t>(swapChainImages.size());
|
---|
419 | allocInfo.pSetLayouts = layouts.data();
|
---|
420 |
|
---|
421 | this->descriptorSets.resize(swapChainImages.size());
|
---|
422 | if (vkAllocateDescriptorSets(device, &allocInfo, this->descriptorSets.data()) != VK_SUCCESS) {
|
---|
423 | throw runtime_error("failed to allocate descriptor sets!");
|
---|
424 | }
|
---|
425 |
|
---|
426 | for (size_t i = 0; i < swapChainImages.size(); i++) {
|
---|
427 | vector<VkWriteDescriptorSet> descriptorWrites(this->descriptorInfoList.size());
|
---|
428 |
|
---|
429 | for (size_t j = 0; j < descriptorWrites.size(); j++) {
|
---|
430 | descriptorWrites[j].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
|
---|
431 | descriptorWrites[j].dstSet = this->descriptorSets[i];
|
---|
432 | descriptorWrites[j].dstBinding = j;
|
---|
433 | descriptorWrites[j].dstArrayElement = 0;
|
---|
434 | descriptorWrites[j].descriptorType = this->descriptorInfoList[j].type;
|
---|
435 | descriptorWrites[j].descriptorCount = 1;
|
---|
436 | descriptorWrites[j].pBufferInfo = nullptr;
|
---|
437 | descriptorWrites[j].pImageInfo = nullptr;
|
---|
438 | descriptorWrites[j].pTexelBufferView = nullptr;
|
---|
439 |
|
---|
440 | switch (descriptorWrites[j].descriptorType) {
|
---|
441 | case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
|
---|
442 | descriptorWrites[j].pBufferInfo = &(*this->descriptorInfoList[j].bufferDataList)[i];
|
---|
443 | break;
|
---|
444 | case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
|
---|
445 | descriptorWrites[j].pImageInfo = this->descriptorInfoList[j].imageData;
|
---|
446 | break;
|
---|
447 | default:
|
---|
448 | throw runtime_error("Unknown descriptor type: " + to_string(descriptorWrites[j].descriptorType));
|
---|
449 | }
|
---|
450 | }
|
---|
451 |
|
---|
452 | vkUpdateDescriptorSets(this->device, static_cast<uint32_t>(descriptorWrites.size()), descriptorWrites.data(), 0, nullptr);
|
---|
453 | }
|
---|
454 | }
|
---|
455 |
|
---|
456 | template<class VertexType>
|
---|
457 | void GraphicsPipeline_Vulkan<VertexType>::createRenderCommands(VkCommandBuffer& commandBuffer, uint32_t currentImage) {
|
---|
458 | vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
|
---|
459 | vkCmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1,
|
---|
460 | &descriptorSets[currentImage], 0, nullptr);
|
---|
461 |
|
---|
462 | VkBuffer vertexBuffers[] = { vertexBuffer };
|
---|
463 | VkDeviceSize offsets[] = { 0 };
|
---|
464 | vkCmdBindVertexBuffers(commandBuffer, 0, 1, vertexBuffers, offsets);
|
---|
465 |
|
---|
466 | vkCmdBindIndexBuffer(commandBuffer, indexBuffer, 0, VK_INDEX_TYPE_UINT16);
|
---|
467 |
|
---|
468 | vkCmdDrawIndexed(commandBuffer, static_cast<uint32_t>(numIndices), 1, 0, 0, 0);
|
---|
469 | }
|
---|
470 |
|
---|
471 | template<class VertexType>
|
---|
472 | bool GraphicsPipeline_Vulkan<VertexType>::addObject(const vector<VertexType>& vertices, vector<uint16_t>& indices,
|
---|
473 | VkCommandPool commandPool, VkQueue graphicsQueue) {
|
---|
474 |
|
---|
475 | if (numVertices + vertices.size() > vertexCapacity ||
|
---|
476 | numIndices + indices.size() > indexCapacity) {
|
---|
477 | resizeDataBuffers();
|
---|
478 |
|
---|
479 | throw runtime_error("ERROR: Need to resize data buffers");
|
---|
480 | }
|
---|
481 |
|
---|
482 | for (uint16_t& idx : indices) {
|
---|
483 | idx += numVertices;
|
---|
484 | }
|
---|
485 |
|
---|
486 | VulkanUtils::copyDataToBuffer(device, physicalDevice, commandPool, vertices, vertexBuffer, numVertices,
|
---|
487 | graphicsQueue);
|
---|
488 | numVertices += vertices.size();
|
---|
489 |
|
---|
490 | VulkanUtils::copyDataToBuffer(device, physicalDevice, commandPool, indices, indexBuffer, numIndices,
|
---|
491 | graphicsQueue);
|
---|
492 | numIndices += indices.size();
|
---|
493 |
|
---|
494 | return true;
|
---|
495 | }
|
---|
496 |
|
---|
497 | template<class VertexType>
|
---|
498 | void GraphicsPipeline_Vulkan<VertexType>::cleanup() {
|
---|
499 | vkDestroyPipeline(device, pipeline, nullptr);
|
---|
500 | vkDestroyDescriptorPool(device, descriptorPool, nullptr);
|
---|
501 | vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
|
---|
502 | }
|
---|
503 |
|
---|
504 | template<class VertexType>
|
---|
505 | void GraphicsPipeline_Vulkan<VertexType>::cleanupBuffers() {
|
---|
506 | vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
|
---|
507 |
|
---|
508 | vkDestroyBuffer(device, vertexBuffer, nullptr);
|
---|
509 | vkFreeMemory(device, vertexBufferMemory, nullptr);
|
---|
510 | vkDestroyBuffer(device, indexBuffer, nullptr);
|
---|
511 | vkFreeMemory(device, indexBufferMemory, nullptr);
|
---|
512 | }
|
---|
513 |
|
---|
514 | /*** PRIVATE METHODS ***/
|
---|
515 |
|
---|
516 | template<class VertexType>
|
---|
517 | VkShaderModule GraphicsPipeline_Vulkan<VertexType>::createShaderModule(const vector<char>& code) {
|
---|
518 | VkShaderModuleCreateInfo createInfo = {};
|
---|
519 | createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
|
---|
520 | createInfo.codeSize = code.size();
|
---|
521 | createInfo.pCode = reinterpret_cast<const uint32_t*>(code.data());
|
---|
522 |
|
---|
523 | VkShaderModule shaderModule;
|
---|
524 | if (vkCreateShaderModule(this->device, &createInfo, nullptr, &shaderModule) != VK_SUCCESS) {
|
---|
525 | throw runtime_error("failed to create shader module!");
|
---|
526 | }
|
---|
527 |
|
---|
528 | return shaderModule;
|
---|
529 | }
|
---|
530 |
|
---|
531 | template<class VertexType>
|
---|
532 | vector<char> GraphicsPipeline_Vulkan<VertexType>::readFile(const string& filename) {
|
---|
533 | ifstream file(filename, ios::ate | ios::binary);
|
---|
534 |
|
---|
535 | if (!file.is_open()) {
|
---|
536 | throw runtime_error("failed to open file!");
|
---|
537 | }
|
---|
538 |
|
---|
539 | size_t fileSize = (size_t)file.tellg();
|
---|
540 | vector<char> buffer(fileSize);
|
---|
541 |
|
---|
542 | file.seekg(0);
|
---|
543 | file.read(buffer.data(), fileSize);
|
---|
544 |
|
---|
545 | file.close();
|
---|
546 |
|
---|
547 | return buffer;
|
---|
548 | }
|
---|
549 |
|
---|
550 | template<class VertexType>
|
---|
551 | void GraphicsPipeline_Vulkan<VertexType>::resizeDataBuffers() {
|
---|
552 |
|
---|
553 | vkDestroyBuffer(device, vertexBuffer, nullptr);
|
---|
554 | vkFreeMemory(device, vertexBufferMemory, nullptr);
|
---|
555 | vkDestroyBuffer(device, indexBuffer, nullptr);
|
---|
556 | vkFreeMemory(device, indexBufferMemory, nullptr);
|
---|
557 |
|
---|
558 | vertexCapacity *= 2;
|
---|
559 | indexCapacity *= 2;
|
---|
560 |
|
---|
561 | VulkanUtils::createBuffer(device, physicalDevice, vertexCapacity * sizeof(VertexType),
|
---|
562 | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
|
---|
563 | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vertexBuffer, vertexBufferMemory);
|
---|
564 |
|
---|
565 | VulkanUtils::createBuffer(device, physicalDevice, indexCapacity * sizeof(uint16_t),
|
---|
566 | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
|
---|
567 | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, indexBuffer, indexBufferMemory);
|
---|
568 | }
|
---|
569 |
|
---|
570 | #endif // _GRAPHICS_PIPELINE_VULKAN_H
|
---|