Initial Gitea Commit

VulkanDeviceManager.cpp

@@ -0,0 +1,111 @@
+#include "VulkanDeviceManager.h"
+
+#include <vector>
+
+#include "Logger.h"
+#include <map>
+
+VulkanDeviceManager::VulkanDeviceManager()
+{
+}
+
+VulkanDeviceManager::~VulkanDeviceManager()
+{
+	Cleanup();
+}
+
+VulkanDeviceManager::VulkanDeviceManager(VulkanDeviceManager&& Other) noexcept
+{
+}
+
+VulkanDeviceManager& VulkanDeviceManager::operator=(VulkanDeviceManager&& Other) noexcept
+{
+	if (this != &Other)
+	{
+		Cleanup();
+	}
+
+	return *this;
+}
+void VulkanDeviceManager::Initialize(VkInstance Instance)
+{
+	if (IsInitialized())
+	{
+		return;
+	}
+}
+
+void VulkanDeviceManager::Cleanup()
+{
+	if (!IsInitialized())
+	{
+		return;
+	}
+}
+
+void VulkanDeviceManager::PickPhysicalDevice()
+{
+	uint32_t DeviceCount = 0;
+	vkEnumeratePhysicalDevices(Instance, &DeviceCount, nullptr);
+
+	if (DeviceCount == 0)
+	{
+		Log::Error("Failed to find GPU with Vulkan Support");
+	}
+
+	std::vector<VkPhysicalDevice> Devices(DeviceCount);
+	vkEnumeratePhysicalDevices(Instance, &DeviceCount, Devices.data());
+
+	std::multimap<int, VkPhysicalDevice> Candidates;
+
+	for (const auto& Device : Devices)
+	{
+		int Score = RateDeviceSuitability(Device);
+		Candidates.insert(std::make_pair(Score, Device));
+	}
+
+	if (Candidates.rbegin()->first > 0)
+	{
+		PhysicalDevice = Candidates.rbegin()->second;
+	}
+	else
+	{
+		Log::Error("Failed to find a suitable GPU");
+	}
+}
+
+// bool VulkanDeviceManager::IsDeviceSuitable(VkPhysicalDevice Device)
+//{
+//	VkPhysicalDeviceProperties DeviceProperties;
+//	vkGetPhysicalDeviceProperties(Device, &DeviceProperties);
+//
+//	VkPhysicalDeviceFeatures DeviceFeatures;
+//	vkGetPhysicalDeviceFeatures(Device, &DeviceFeatures);
+//
+//	return DeviceProperties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU && DeviceFeatures.geometryShader;
+// }
+
+int VulkanDeviceManager::RateDeviceSuitability(VkPhysicalDevice Device)
+{
+	VkPhysicalDeviceProperties DeviceProperties;
+	vkGetPhysicalDeviceProperties(Device, &DeviceProperties);
+
+	VkPhysicalDeviceFeatures DeviceFeatures;
+	vkGetPhysicalDeviceFeatures(Device, &DeviceFeatures);
+
+	int Score = 0;
+
+	if (DeviceProperties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU)
+	{
+		Score += 100;
+	}
+
+	Score += DeviceProperties.limits.maxImageDimension2D;
+
+	if (!DeviceFeatures.geometryShader)
+	{
+		return 0;
+	}
+
+	return Score;
+}