[7d2b0b9] | 1 | #include "graphics-pipeline_vulkan.hpp"
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| 2 |
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| 3 | #include <fstream>
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| 4 | #include <stdexcept>
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[b794178] | 5 | #include <iostream>
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[7d2b0b9] | 6 |
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[b794178] | 7 | using namespace std;
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| 8 |
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| 9 | // TODO: Remove any instances of cout and instead throw exceptions
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| 10 |
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| 11 | GraphicsPipeline_Vulkan::GraphicsPipeline_Vulkan(VkDevice device, VkRenderPass renderPass, Viewport viewport,
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| 12 | int vertexSize) {
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[7d2b0b9] | 13 | this->device = device;
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[b794178] | 14 | this->renderPass = renderPass;
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[771b33a] | 15 | this->viewport = viewport;
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| 16 |
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| 17 | this->bindingDescription.binding = 0;
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| 18 | this->bindingDescription.stride = vertexSize;
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| 19 | this->bindingDescription.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
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[7d2b0b9] | 20 | }
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| 21 |
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| 22 | GraphicsPipeline_Vulkan::~GraphicsPipeline_Vulkan() {
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| 23 | }
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| 24 |
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[771b33a] | 25 | void GraphicsPipeline_Vulkan::addAttribute(VkFormat format, size_t offset) {
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| 26 | VkVertexInputAttributeDescription attributeDesc = {};
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| 27 |
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| 28 | attributeDesc.binding = 0;
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| 29 | attributeDesc.location = this->attributeDescriptions.size();
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| 30 | attributeDesc.format = format;
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| 31 | attributeDesc.offset = offset;
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| 32 |
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| 33 | this->attributeDescriptions.push_back(attributeDesc);
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| 34 | }
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| 35 |
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[b794178] | 36 | void GraphicsPipeline_Vulkan::addDescriptorInfo(VkDescriptorType type, VkShaderStageFlags stageFlags, vector<VkDescriptorBufferInfo>* bufferData) {
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| 37 | this->descriptorInfoList.push_back({ type, stageFlags, bufferData, nullptr });
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| 38 | }
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| 39 |
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| 40 | void GraphicsPipeline_Vulkan::addDescriptorInfo(VkDescriptorType type, VkShaderStageFlags stageFlags, VkDescriptorImageInfo* imageData) {
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| 41 | this->descriptorInfoList.push_back({ type, stageFlags, nullptr, imageData });
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| 42 | }
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| 43 |
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[7d2b0b9] | 44 | void GraphicsPipeline_Vulkan::createPipeline(string vertShaderFile, string fragShaderFile) {
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| 45 | vector<char> vertShaderCode = readFile(vertShaderFile);
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| 46 | vector<char> fragShaderCode = readFile(fragShaderFile);
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| 47 |
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| 48 | VkShaderModule vertShaderModule = createShaderModule(vertShaderCode);
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| 49 | VkShaderModule fragShaderModule = createShaderModule(fragShaderCode);
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| 50 |
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| 51 | VkPipelineShaderStageCreateInfo vertShaderStageInfo = {};
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| 52 | vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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| 53 | vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
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| 54 | vertShaderStageInfo.module = vertShaderModule;
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| 55 | vertShaderStageInfo.pName = "main";
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| 56 |
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| 57 | VkPipelineShaderStageCreateInfo fragShaderStageInfo = {};
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| 58 | fragShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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| 59 | fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
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| 60 | fragShaderStageInfo.module = fragShaderModule;
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| 61 | fragShaderStageInfo.pName = "main";
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| 62 |
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| 63 | VkPipelineShaderStageCreateInfo shaderStages[] = { vertShaderStageInfo, fragShaderStageInfo };
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| 64 |
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| 65 | VkPipelineVertexInputStateCreateInfo vertexInputInfo = {};
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| 66 | vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
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| 67 |
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[771b33a] | 68 | vertexInputInfo.vertexBindingDescriptionCount = 1;
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| 69 | vertexInputInfo.vertexAttributeDescriptionCount = static_cast<uint32_t>(this->attributeDescriptions.size());
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| 70 | vertexInputInfo.pVertexBindingDescriptions = &this->bindingDescription;
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| 71 | vertexInputInfo.pVertexAttributeDescriptions = this->attributeDescriptions.data();
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| 72 |
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| 73 | VkPipelineInputAssemblyStateCreateInfo inputAssembly = {};
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| 74 | inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
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| 75 | inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
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| 76 | inputAssembly.primitiveRestartEnable = VK_FALSE;
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| 77 |
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| 78 | VkViewport viewport = {};
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| 79 | viewport.x = (float)this->viewport.x;
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| 80 | viewport.y = (float)this->viewport.y;
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| 81 | viewport.width = (float)this->viewport.width;
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| 82 | viewport.height = (float)this->viewport.height;
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| 83 | viewport.minDepth = 0.0f;
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| 84 | viewport.maxDepth = 1.0f;
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| 85 |
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| 86 | VkRect2D scissor = {};
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| 87 | scissor.offset = { 0, 0 };
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| 88 | scissor.extent = { (uint32_t)this->viewport.width, (uint32_t)this->viewport.height };
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| 89 |
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| 90 | VkPipelineViewportStateCreateInfo viewportState = {};
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| 91 | viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
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| 92 | viewportState.viewportCount = 1;
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| 93 | viewportState.pViewports = &viewport;
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| 94 | viewportState.scissorCount = 1;
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| 95 | viewportState.pScissors = &scissor;
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| 96 |
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| 97 | VkPipelineRasterizationStateCreateInfo rasterizer = {};
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| 98 | rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
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| 99 | rasterizer.depthClampEnable = VK_FALSE;
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| 100 | rasterizer.rasterizerDiscardEnable = VK_FALSE;
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| 101 | rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
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| 102 | rasterizer.lineWidth = 1.0f;
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| 103 | rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
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| 104 | rasterizer.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
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| 105 | rasterizer.depthBiasEnable = VK_FALSE;
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| 106 |
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| 107 | VkPipelineMultisampleStateCreateInfo multisampling = {};
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| 108 | multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
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| 109 | multisampling.sampleShadingEnable = VK_FALSE;
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| 110 | multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
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| 111 |
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| 112 | VkPipelineColorBlendAttachmentState colorBlendAttachment = {};
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| 113 | 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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| 114 | colorBlendAttachment.blendEnable = VK_TRUE;
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| 115 | colorBlendAttachment.colorBlendOp = VK_BLEND_OP_ADD;
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| 116 | colorBlendAttachment.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
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| 117 | colorBlendAttachment.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
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| 118 | colorBlendAttachment.alphaBlendOp = VK_BLEND_OP_ADD;
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| 119 | colorBlendAttachment.srcAlphaBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
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| 120 | colorBlendAttachment.dstAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
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| 121 |
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| 122 | VkPipelineColorBlendStateCreateInfo colorBlending = {};
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| 123 | colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
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| 124 | colorBlending.logicOpEnable = VK_FALSE;
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| 125 | colorBlending.logicOp = VK_LOGIC_OP_COPY;
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| 126 | colorBlending.attachmentCount = 1;
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| 127 | colorBlending.pAttachments = &colorBlendAttachment;
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| 128 | colorBlending.blendConstants[0] = 0.0f;
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| 129 | colorBlending.blendConstants[1] = 0.0f;
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| 130 | colorBlending.blendConstants[2] = 0.0f;
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| 131 | colorBlending.blendConstants[3] = 0.0f;
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| 132 |
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| 133 | VkPipelineDepthStencilStateCreateInfo depthStencil = {};
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| 134 | depthStencil.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
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| 135 | depthStencil.depthTestEnable = VK_TRUE;
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| 136 | depthStencil.depthWriteEnable = VK_TRUE;
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| 137 | depthStencil.depthCompareOp = VK_COMPARE_OP_LESS;
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| 138 | depthStencil.depthBoundsTestEnable = VK_FALSE;
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| 139 | depthStencil.minDepthBounds = 0.0f;
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| 140 | depthStencil.maxDepthBounds = 1.0f;
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| 141 | depthStencil.stencilTestEnable = VK_FALSE;
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| 142 | depthStencil.front = {};
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| 143 | depthStencil.back = {};
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| 144 |
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| 145 | VkPipelineLayoutCreateInfo pipelineLayoutInfo = {};
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| 146 | pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
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| 147 | pipelineLayoutInfo.setLayoutCount = 1;
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[b794178] | 148 | pipelineLayoutInfo.pSetLayouts = &this->descriptorSetLayout;
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| 149 | pipelineLayoutInfo.pushConstantRangeCount = 0;
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| 150 |
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| 151 | if (vkCreatePipelineLayout(this->device, &pipelineLayoutInfo, nullptr, &this->pipelineLayout) != VK_SUCCESS) {
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| 152 | throw runtime_error("failed to create pipeline layout!");
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| 153 | }
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| 154 |
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| 155 | VkGraphicsPipelineCreateInfo pipelineInfo = {};
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| 156 | pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
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| 157 | pipelineInfo.stageCount = 2;
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| 158 | pipelineInfo.pStages = shaderStages;
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| 159 | pipelineInfo.pVertexInputState = &vertexInputInfo;
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| 160 | pipelineInfo.pInputAssemblyState = &inputAssembly;
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| 161 | pipelineInfo.pViewportState = &viewportState;
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| 162 | pipelineInfo.pRasterizationState = &rasterizer;
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| 163 | pipelineInfo.pMultisampleState = &multisampling;
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| 164 | pipelineInfo.pDepthStencilState = &depthStencil;
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| 165 | pipelineInfo.pColorBlendState = &colorBlending;
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| 166 | pipelineInfo.pDynamicState = nullptr;
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| 167 | pipelineInfo.layout = this->pipelineLayout;
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| 168 | pipelineInfo.renderPass = this->renderPass;
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| 169 | pipelineInfo.subpass = 0;
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| 170 | pipelineInfo.basePipelineHandle = VK_NULL_HANDLE;
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| 171 | pipelineInfo.basePipelineIndex = -1;
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| 172 |
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| 173 | if (vkCreateGraphicsPipelines(this->device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &this->pipeline) != VK_SUCCESS) {
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| 174 | throw runtime_error("failed to create graphics pipeline!");
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| 175 | }
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[771b33a] | 176 |
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[b794178] | 177 | vkDestroyShaderModule(this->device, vertShaderModule, nullptr);
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| 178 | vkDestroyShaderModule(this->device, fragShaderModule, nullptr);
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| 179 | }
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| 180 |
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| 181 | void GraphicsPipeline_Vulkan::createDescriptorSetLayout() {
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| 182 | vector<VkDescriptorSetLayoutBinding> bindings(this->descriptorInfoList.size());
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| 183 |
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| 184 | for (size_t i = 0; i < bindings.size(); i++) {
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| 185 | bindings[i].binding = i;
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| 186 | bindings[i].descriptorCount = 1;
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| 187 | bindings[i].descriptorType = this->descriptorInfoList[i].type;
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| 188 | bindings[i].stageFlags = this->descriptorInfoList[i].stageFlags;
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| 189 | bindings[i].pImmutableSamplers = nullptr;
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| 190 | }
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| 191 |
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| 192 | VkDescriptorSetLayoutCreateInfo layoutInfo = {};
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| 193 | layoutInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
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| 194 | layoutInfo.bindingCount = static_cast<uint32_t>(bindings.size());
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| 195 | layoutInfo.pBindings = bindings.data();
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| 196 |
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| 197 | if (vkCreateDescriptorSetLayout(this->device, &layoutInfo, nullptr, &this->descriptorSetLayout) != VK_SUCCESS) {
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| 198 | throw runtime_error("failed to create descriptor set layout!");
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| 199 | }
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| 200 | }
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| 201 |
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| 202 | void GraphicsPipeline_Vulkan::createDescriptorPool(vector<VkImage>& swapChainImages) {
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| 203 | vector<VkDescriptorPoolSize> poolSizes(this->descriptorInfoList.size());
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| 204 |
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| 205 | for (size_t i = 0; i < poolSizes.size(); i++) {
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| 206 | poolSizes[i].type = this->descriptorInfoList[i].type;
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| 207 | poolSizes[i].descriptorCount = static_cast<uint32_t>(swapChainImages.size());
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| 208 | }
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| 209 |
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| 210 | VkDescriptorPoolCreateInfo poolInfo = {};
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| 211 | poolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
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| 212 | poolInfo.poolSizeCount = static_cast<uint32_t>(poolSizes.size());
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| 213 | poolInfo.pPoolSizes = poolSizes.data();
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| 214 | poolInfo.maxSets = static_cast<uint32_t>(swapChainImages.size());
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| 215 |
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| 216 | if (vkCreateDescriptorPool(this->device, &poolInfo, nullptr, &this->descriptorPool) != VK_SUCCESS) {
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| 217 | throw runtime_error("failed to create descriptor pool!");
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| 218 | }
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| 219 | }
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| 220 |
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| 221 | void GraphicsPipeline_Vulkan::createDescriptorSets(vector<VkImage>& swapChainImages) {
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| 222 | vector<VkDescriptorSetLayout> layouts(swapChainImages.size(), this->descriptorSetLayout);
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| 223 |
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| 224 | VkDescriptorSetAllocateInfo allocInfo = {};
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| 225 | allocInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
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| 226 | allocInfo.descriptorPool = this->descriptorPool;
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| 227 | allocInfo.descriptorSetCount = static_cast<uint32_t>(swapChainImages.size());
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| 228 | allocInfo.pSetLayouts = layouts.data();
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| 229 |
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| 230 | this->descriptorSets.resize(swapChainImages.size());
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| 231 | if (vkAllocateDescriptorSets(device, &allocInfo, this->descriptorSets.data()) != VK_SUCCESS) {
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| 232 | throw runtime_error("failed to allocate descriptor sets!");
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| 233 | }
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| 234 |
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| 235 | for (size_t i = 0; i < swapChainImages.size(); i++) {
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| 236 | vector<VkWriteDescriptorSet> descriptorWrites(this->descriptorInfoList.size());
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| 237 |
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| 238 | for (size_t j = 0; j < descriptorWrites.size(); j++) {
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| 239 | descriptorWrites[j].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
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| 240 | descriptorWrites[j].dstSet = this->descriptorSets[i];
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| 241 | descriptorWrites[j].dstBinding = j;
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| 242 | descriptorWrites[j].dstArrayElement = 0;
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| 243 | descriptorWrites[j].descriptorType = this->descriptorInfoList[j].type;
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| 244 | descriptorWrites[j].descriptorCount = 1;
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| 245 | descriptorWrites[j].pBufferInfo = nullptr;
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| 246 | descriptorWrites[j].pImageInfo = nullptr;
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| 247 | descriptorWrites[j].pTexelBufferView = nullptr;
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| 248 |
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| 249 | switch (descriptorWrites[j].descriptorType) {
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| 250 | case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
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| 251 | descriptorWrites[j].pBufferInfo = &(*this->descriptorInfoList[j].bufferDataList)[i];
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| 252 | break;
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| 253 | case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
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| 254 | descriptorWrites[j].pImageInfo = this->descriptorInfoList[j].imageData;
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| 255 | break;
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| 256 | default:
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| 257 | cout << "Unknown descriptor type: " << descriptorWrites[j].descriptorType << endl;
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| 258 | }
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| 259 | }
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| 260 |
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| 261 | vkUpdateDescriptorSets(this->device, static_cast<uint32_t>(descriptorWrites.size()), descriptorWrites.data(), 0, nullptr);
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| 262 | }
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[7d2b0b9] | 263 | }
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| 264 |
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[603b5bc] | 265 | void GraphicsPipeline_Vulkan::createRenderCommands(VkCommandBuffer& commandBuffer, uint32_t currentImage) {
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| 266 | vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
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| 267 | vkCmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1,
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| 268 | &descriptorSets[currentImage], 0, nullptr);
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| 269 |
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| 270 | // TODO: Implement once I add vertex and index buffers to the pipeline
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| 271 | /*
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| 272 | VkBuffer vertexBuffers[] = { info.vertexBuffer };
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| 273 | VkDeviceSize offsets[] = { 0 };
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| 274 | vkCmdBindVertexBuffers(commandBuffers[currentImage], 0, 1, vertexBuffers, offsets);
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| 275 |
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| 276 | vkCmdBindIndexBuffer(commandBuffers[currentImage], info.indexBuffer, 0, VK_INDEX_TYPE_UINT16);
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| 277 |
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| 278 | vkCmdDrawIndexed(commandBuffers[currentImage], static_cast<uint32_t>(info.numIndices), 1, 0, 0, 0);
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| 279 | */
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| 280 | }
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| 281 |
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[7d2b0b9] | 282 | VkShaderModule GraphicsPipeline_Vulkan::createShaderModule(const vector<char>& code) {
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| 283 | VkShaderModuleCreateInfo createInfo = {};
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| 284 | createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
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| 285 | createInfo.codeSize = code.size();
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| 286 | createInfo.pCode = reinterpret_cast<const uint32_t*>(code.data());
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| 287 |
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| 288 | VkShaderModule shaderModule;
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[b794178] | 289 | if (vkCreateShaderModule(this->device, &createInfo, nullptr, &shaderModule) != VK_SUCCESS) {
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[7d2b0b9] | 290 | throw runtime_error("failed to create shader module!");
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| 291 | }
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| 292 |
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| 293 | return shaderModule;
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| 294 | }
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| 295 |
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| 296 | vector<char> GraphicsPipeline_Vulkan::readFile(const string& filename) {
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| 297 | ifstream file(filename, ios::ate | ios::binary);
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| 298 |
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| 299 | if (!file.is_open()) {
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| 300 | throw runtime_error("failed to open file!");
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| 301 | }
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| 302 |
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| 303 | size_t fileSize = (size_t)file.tellg();
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| 304 | vector<char> buffer(fileSize);
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| 305 |
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| 306 | file.seekg(0);
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| 307 | file.read(buffer.data(), fileSize);
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| 308 |
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| 309 | file.close();
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| 310 |
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| 311 | return buffer;
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[b794178] | 312 | }
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| 313 |
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| 314 | void GraphicsPipeline_Vulkan::cleanup() {
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| 315 | vkDestroyPipeline(this->device, this->pipeline, nullptr);
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| 316 | vkDestroyDescriptorPool(this->device, this->descriptorPool, nullptr);
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| 317 | vkDestroyPipelineLayout(this->device, this->pipelineLayout, nullptr);
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| 318 | }
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| 319 |
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| 320 | void GraphicsPipeline_Vulkan::cleanupBuffers() {
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| 321 | vkDestroyDescriptorSetLayout(this->device, this->descriptorSetLayout, nullptr);
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[7d2b0b9] | 322 | }
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