Add support for MTKView and Metal APIs

include/Pomdog/Platform/Cocoa/PomdogMetalViewController.hpp

@@ -0,0 +1,28 @@
+// Copyright (c) 2013-2017 mogemimi. Distributed under the MIT license.
+
+#pragma once
+
+#include "Pomdog/Basic/Export.hpp"
+#include "Pomdog/Signals/detail/ForwardDeclarations.hpp"
+#include <memory>
+#include <functional>
+
+#import <Cocoa/Cocoa.h>
+#import <MetalKit/MTKView.h>
+
+namespace Pomdog {
+
+class Game;
+class GameHost;
+class GraphicsDevice;
+class GraphicsCommandQueue;
+
+} // namespace Pomdog
+
+POMDOG_EXPORT
+@interface PomdogMetalViewController : NSViewController<MTKViewDelegate>
+
+- (void)loadAssetsPomdog:(std::shared_ptr<Pomdog::GameHost>)gameHost;
+- (void)startGame:(std::shared_ptr<Pomdog::Game>)game;
+
+@end

src/Platform.Cocoa/GameHostMetal.hpp

@@ -0,0 +1,68 @@
+// Copyright (c) 2013-2017 mogemimi. Distributed under the MIT license.
+
+#pragma once
+
+#include "Pomdog/Signals/EventQueue.hpp"
+#include "Pomdog/Application/GameHost.hpp"
+#include <memory>
+
+#import <MetalKit/MTKView.h>
+
+namespace Pomdog {
+
+class Game;
+struct PresentationParameters;
+
+namespace Detail {
+namespace Cocoa {
+
+class GameWindowCocoa;
+
+class GameHostMetal final : public GameHost {
+public:
+    GameHostMetal(
+        MTKView* metalView,
+        const std::shared_ptr<GameWindowCocoa>& window,
+        const std::shared_ptr<EventQueue>& eventQueue,
+        const PresentationParameters& presentationParameters);
+
+    ~GameHostMetal();
+
+    void InitializeGame(
+        const std::weak_ptr<Game>& game,
+        const std::function<void()>& onCompleted);
+
+    void GameLoop();
+
+    bool IsMetalSupported() const;
+
+    void Exit() override;
+
+    std::shared_ptr<GameWindow> GetWindow() override;
+
+    std::shared_ptr<GameClock> GetClock() override;
+
+    std::shared_ptr<GraphicsDevice> GetGraphicsDevice() override;
+
+    std::shared_ptr<GraphicsCommandQueue> GetGraphicsCommandQueue() override;
+
+    std::shared_ptr<AudioEngine> GetAudioEngine() override;
+
+    std::shared_ptr<AssetManager> GetAssetManager() override;
+
+    std::shared_ptr<Keyboard> GetKeyboard() override;
+
+    std::shared_ptr<Mouse> GetMouse() override;
+
+    SurfaceFormat GetBackBufferSurfaceFormat() const override;
+
+    DepthFormat GetBackBufferDepthStencilFormat() const override;
+
+private:
+    class Impl;
+    std::unique_ptr<Impl> impl;
+};
+
+} // namespace Cocoa
+} // namespace Detail
+} // namespace Pomdog