Start imgui integration

openVulkanoCpp/Vulkan/UiRenderer.hpp

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+/*
+ * 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/.
+ */
+
+#pragma once
+
+#include "RenderPass.hpp"
+#include <vulkan/vulkan.hpp>
+
+namespace openVulkanoCpp::Vulkan
+{
+	class Context;
+
+	class UiRenderer
+	{
+		vk::Device device;
+		RenderPass uiRenderPass;
+		vk::DescriptorPool descriptorPool;
+
+	public:
+		UiRenderer() = default;
+
+		UiRenderer(Context* context) { Init(context); }
+
+		~UiRenderer() { if (descriptorPool) Close(); }
+
+		void Init(Context* context);
+
+		void BeginUiFrame() const;
+
+		void DrawUiFrame(vk::CommandBuffer& cmdBuffer);
+
+		void Close();
+	};
+}