Update DeviceManager

openVulkanoCpp/Vulkan/DeviceManager.cpp

@@ -0,0 +1,58 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#include "DeviceManager.hpp"
+#include "Device.hpp"
+#include <stdexcept>
+
+namespace openVulkanoCpp::Vulkan
+{
+	void DeviceManager::Init(const vk::Instance& instance)
+	{
+		if (!devices.empty()) Close();
+		for (auto& physicalDevice: instance.enumeratePhysicalDevices())
+		{
+			devices.push_back(std::make_shared<Device>(physicalDevice));
+		}
+	}
+
+	std::shared_ptr<Device> DeviceManager::GetCompatibleDevice(const vk::ArrayProxy<const std::string>& deviceExtensions)
+	{
+		for (const auto& device: devices)
+		{
+			if (device->IsExtensionAvailable(deviceExtensions)) return device;
+		}
+		throw std::runtime_error("No device with required extensions found!\n" + ProduceMissingDeviceCompatibilityReport(deviceExtensions));
+	}
+
+	std::string DeviceManager::ProduceMissingDeviceCompatibilityReport(const vk::ArrayProxy<const std::string>& deviceExtensions)
+	{
+		std::stringstream ss;
+		ss << "Requested Extensions: [";
+		bool first = true;
+		for (const std::string& ext : deviceExtensions)
+		{
+			ss << ' ' << ext;
+			if (first) first = false;
+			else ss << ',';
+		}
+		ss << " ]\nAvailable Devices: [\n";
+		for (const auto& device: devices)
+		{
+			ss << '\t' << device->GetDeviceName() << ": [";
+			first = true;
+			for (const std::string& ext : device->GetExtensions())
+			{
+				ss << ' ' << ext;
+				if (first) first = false;
+				else ss << ',';
+			}
+			ss << " ]\n";
+		}
+		ss << ']';
+		return ss.str();
+	}
+}