1 | #include "vulkan-utils.hpp"
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2 |
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3 | #include <algorithm>
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4 | #include <set>
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5 | #include <stdexcept>
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6 | #include <string>
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7 |
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8 | bool VulkanUtils::checkValidationLayerSupport(const vector<const char*> &validationLayers) {
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9 | uint32_t layerCount;
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10 | vkEnumerateInstanceLayerProperties(&layerCount, nullptr);
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11 |
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12 | vector<VkLayerProperties> availableLayers(layerCount);
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13 | vkEnumerateInstanceLayerProperties(&layerCount, availableLayers.data());
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14 |
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15 | for (const char* layerName : validationLayers) {
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16 | bool layerFound = false;
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17 |
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18 | for (const auto& layerProperties : availableLayers) {
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19 | if (strcmp(layerName, layerProperties.layerName) == 0) {
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20 | layerFound = true;
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21 | break;
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22 | }
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23 | }
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24 |
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25 | if (!layerFound) {
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26 | return false;
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27 | }
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28 | }
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29 |
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30 | return true;
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31 | }
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32 |
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33 | VkResult VulkanUtils::createDebugUtilsMessengerEXT(VkInstance instance,
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34 | const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo,
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35 | const VkAllocationCallbacks* pAllocator,
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36 | VkDebugUtilsMessengerEXT* pDebugMessenger) {
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37 | auto func = (PFN_vkCreateDebugUtilsMessengerEXT) vkGetInstanceProcAddr(instance, "vkCreateDebugUtilsMessengerEXT");
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38 |
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39 | if (func != nullptr) {
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40 | return func(instance, pCreateInfo, pAllocator, pDebugMessenger);
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41 | } else {
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42 | return VK_ERROR_EXTENSION_NOT_PRESENT;
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43 | }
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44 | }
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45 |
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46 | void VulkanUtils::destroyDebugUtilsMessengerEXT(VkInstance instance,
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47 | VkDebugUtilsMessengerEXT debugMessenger,
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48 | const VkAllocationCallbacks* pAllocator) {
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49 | auto func = (PFN_vkDestroyDebugUtilsMessengerEXT) vkGetInstanceProcAddr(instance, "vkDestroyDebugUtilsMessengerEXT");
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50 |
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51 | if (func != nullptr) {
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52 | func(instance, debugMessenger, pAllocator);
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53 | }
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54 | }
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55 |
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56 | QueueFamilyIndices VulkanUtils::findQueueFamilies(VkPhysicalDevice physicalDevice, VkSurfaceKHR surface) {
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57 | QueueFamilyIndices indices;
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58 |
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59 | uint32_t queueFamilyCount = 0;
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60 | vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, nullptr);
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61 |
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62 | vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
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63 | vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, queueFamilies.data());
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64 |
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65 | int i = 0;
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66 | for (const auto& queueFamily : queueFamilies) {
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67 | if (queueFamily.queueCount > 0 && queueFamily.queueFlags & VK_QUEUE_GRAPHICS_BIT) {
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68 | indices.graphicsFamily = i;
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69 | }
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70 |
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71 | VkBool32 presentSupport = false;
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72 | vkGetPhysicalDeviceSurfaceSupportKHR(physicalDevice, i, surface, &presentSupport);
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73 |
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74 | if (queueFamily.queueCount > 0 && presentSupport) {
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75 | indices.presentFamily = i;
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76 | }
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77 |
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78 | if (indices.isComplete()) {
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79 | break;
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80 | }
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81 |
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82 | i++;
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83 | }
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84 |
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85 | return indices;
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86 | }
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87 |
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88 | bool VulkanUtils::checkDeviceExtensionSupport(VkPhysicalDevice physicalDevice, const vector<const char*>& deviceExtensions) {
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89 | uint32_t extensionCount;
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90 | vkEnumerateDeviceExtensionProperties(physicalDevice, nullptr, &extensionCount, nullptr);
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91 |
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92 | vector<VkExtensionProperties> availableExtensions(extensionCount);
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93 | vkEnumerateDeviceExtensionProperties(physicalDevice, nullptr, &extensionCount, availableExtensions.data());
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94 |
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95 | set<string> requiredExtensions(deviceExtensions.begin(), deviceExtensions.end());
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96 |
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97 | for (const auto& extension : availableExtensions) {
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98 | requiredExtensions.erase(extension.extensionName);
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99 | }
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100 |
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101 | return requiredExtensions.empty();
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102 | }
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103 |
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104 | SwapChainSupportDetails VulkanUtils::querySwapChainSupport(VkPhysicalDevice physicalDevice, VkSurfaceKHR surface) {
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105 | SwapChainSupportDetails details;
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106 |
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107 | vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physicalDevice, surface, &details.capabilities);
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108 |
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109 | uint32_t formatCount;
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110 | vkGetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, surface, &formatCount, nullptr);
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111 |
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112 | if (formatCount != 0) {
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113 | details.formats.resize(formatCount);
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114 | vkGetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, surface, &formatCount, details.formats.data());
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115 | }
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116 |
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117 | uint32_t presentModeCount;
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118 | vkGetPhysicalDeviceSurfacePresentModesKHR(physicalDevice, surface, &presentModeCount, nullptr);
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119 |
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120 | if (presentModeCount != 0) {
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121 | details.presentModes.resize(presentModeCount);
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122 | vkGetPhysicalDeviceSurfacePresentModesKHR(physicalDevice, surface, &presentModeCount, details.presentModes.data());
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123 | }
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124 |
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125 | return details;
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126 | }
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127 |
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128 | VkSurfaceFormatKHR VulkanUtils::chooseSwapSurfaceFormat(const vector<VkSurfaceFormatKHR>& availableFormats) {
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129 | for (const auto& availableFormat : availableFormats) {
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130 | if (availableFormat.format == VK_FORMAT_B8G8R8A8_UNORM && availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
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131 | return availableFormat;
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132 | }
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133 | }
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134 |
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135 | return availableFormats[0];
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136 | }
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137 |
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138 | VkPresentModeKHR VulkanUtils::chooseSwapPresentMode(const vector<VkPresentModeKHR>& availablePresentModes) {
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139 | VkPresentModeKHR bestMode = VK_PRESENT_MODE_FIFO_KHR;
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140 |
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141 | for (const auto& availablePresentMode : availablePresentModes) {
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142 | if (availablePresentMode == VK_PRESENT_MODE_MAILBOX_KHR) {
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143 | return availablePresentMode;
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144 | }
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145 | else if (availablePresentMode == VK_PRESENT_MODE_IMMEDIATE_KHR) {
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146 | bestMode = availablePresentMode;
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147 | }
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148 | }
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149 |
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150 | return bestMode;
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151 | }
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152 |
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153 | VkExtent2D VulkanUtils::chooseSwapExtent(const VkSurfaceCapabilitiesKHR& capabilities, int width, int height) {
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154 | if (capabilities.currentExtent.width != numeric_limits<uint32_t>::max()) {
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155 | return capabilities.currentExtent;
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156 | } else {
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157 | VkExtent2D actualExtent = {
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158 | static_cast<uint32_t>(width),
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159 | static_cast<uint32_t>(height)
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160 | };
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161 |
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162 | actualExtent.width = std::max(capabilities.minImageExtent.width, std::min(capabilities.maxImageExtent.width, actualExtent.width));
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163 | actualExtent.height = std::max(capabilities.minImageExtent.height, std::min(capabilities.maxImageExtent.height, actualExtent.height));
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164 |
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165 | return actualExtent;
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166 | }
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167 | }
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168 |
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169 | VkImageView VulkanUtils::createImageView(VkDevice device, VkImage image, VkFormat format, VkImageAspectFlags aspectFlags) {
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170 | VkImageViewCreateInfo viewInfo = {};
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171 | viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
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172 | viewInfo.image = image;
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173 | viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
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174 | viewInfo.format = format;
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175 |
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176 | viewInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
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177 | viewInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
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178 | viewInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
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179 | viewInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
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180 |
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181 | viewInfo.subresourceRange.aspectMask = aspectFlags;
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182 | viewInfo.subresourceRange.baseMipLevel = 0;
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183 | viewInfo.subresourceRange.levelCount = 1;
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184 | viewInfo.subresourceRange.baseArrayLayer = 0;
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185 | viewInfo.subresourceRange.layerCount = 1;
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186 |
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187 | VkImageView imageView;
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188 | if (vkCreateImageView(device, &viewInfo, nullptr, &imageView) != VK_SUCCESS) {
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189 | throw runtime_error("failed to create image view!");
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190 | }
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191 |
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192 | return imageView;
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193 | }
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