2024-08-23 22:13:05 +08:00
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#include "vkn/wrapper/instance.h"
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#include "vkn/wrapper/instance_create.h"
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#include "zlog.h"
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namespace vkn {
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Instance::Instance(InstanceCreator& Creator)
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{
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VkResult res = volkInitialize();
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if (res != VK_SUCCESS)
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zlog::error("Could not initialize volk!");
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VkApplicationInfo application_info = {
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VK_STRUCTURE_TYPE_APPLICATION_INFO, // VkStructureType sType
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nullptr, // const void * pNext
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Creator.appName.c_str(), // const char * pApplicationName
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Creator.appVersion, // uint32_t applicationVersion
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Creator.engineName.c_str(), // const char * pEngineName
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Creator.engineVersion, // uint32_t engineVersion
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Creator.apiVersion // uint32_t apiVersion
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};
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#ifdef Z_RENDER_DEBUG
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Creator.AddDebugExtension();
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#endif // Z_RENDER_DEBUG
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Creator.AddWindowExtension();
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Creator.AddInstanceExtension();
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auto extensions = Creator.EnabledExtensionNames();
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auto layers = Creator.EnabledLayerNames();;
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VkInstanceCreateInfo instance_create_info = {
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VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, // VkStructureType sType
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nullptr, // const void * pNext
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0, // VkInstanceCreateFlags flags
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&application_info, // const VkApplicationInfo * pApplicationInfo
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static_cast<uint32_t>(layers.size()), // uint32_t enabledLayerCount
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layers.data(), // const char * const * ppEnabledLayerNames
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static_cast<uint32_t>(extensions.size()), // uint32_t enabledExtensionCount
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extensions.data() // const char * const * ppEnabledExtensionNames
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};
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#ifdef Z_RENDER_DEBUG
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VkDebugUtilsMessengerCreateInfoEXT debugInfo = Creator.DebugUtilsLayerNext();
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instance_create_info.pNext = &debugInfo;
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#endif
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VkResult result = vkCreateInstance(&instance_create_info, nullptr, &mPtr);
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if (result != VK_SUCCESS) {
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zlog::error("Failed to create instance.");
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}
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volkLoadInstanceOnly(mPtr);
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}
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bool Instance::EnumerateAvailablePhysicalDevices(pmr::vector<VkPhysicalDevice>& available_devices)
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{
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uint32_t devices_count = 0;
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VkResult result = VK_SUCCESS;
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result = vkEnumeratePhysicalDevices(mPtr, &devices_count, nullptr);
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if ((result != VK_SUCCESS) ||
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(devices_count == 0)) {
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zlog::error("Could not get the number of available physical devices.");
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return false;
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}
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available_devices.resize(devices_count);
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result = vkEnumeratePhysicalDevices(mPtr, &devices_count, available_devices.data());
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if ((result != VK_SUCCESS) ||
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(devices_count == 0)) {
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zlog::error("Could not enumerate physical devices.");
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return false;
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}
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return true;
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}
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VKAPI_ATTR VkBool32 VKAPI_CALL Instance::DebugCallback(VkDebugUtilsMessageSeverityFlagBitsEXT, VkDebugUtilsMessageTypeFlagsEXT, const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData, void*)
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{
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zlog::error("validation layer: {}", pCallbackData->pMessage);
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return VK_FALSE;
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}
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}
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