/*

Simple DirectMedia Layer

Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>

This software is provided 'as-is', without any express or implied

warranty. In no event will the authors be held liable for any damages

arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,

including commercial applications, and to alter it and redistribute it

freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not

claim that you wrote the original software. If you use this software

in a product, an acknowledgment in the product documentation would be

appreciated but is not required.

2. Altered source versions must be plainly marked as such, and must not be

misrepresented as being the original software.

3. This notice may not be removed or altered from any source distribution.

*/

/*

* @author Mark Callow, www.edgewise-consulting.com.

*

* Thanks to Alex Szpakowski, @slime73 on GitHub, for his gist showing

* how to add a CAMetalLayer backed view.

*/

#ifndef SDL_cocoametalview_h_

#define SDL_cocoametalview_h_

#import "../SDL_sysvideo.h"

#import "SDL_cocoawindow.h"

#if SDL_VIDEO_VULKAN && SDL_VIDEO_DRIVER_COCOA

#include <Cocoa/Cocoa.h>

#include <Metal/Metal.h>

#include <QuartzCore/CAMetalLayer.h>

#define METALVIEW_TAG 255

@interface SDL_cocoametalview : NSView {

NSInteger _tag;

bool _useHighDPI;

}

- (instancetype)initWithFrame:(NSRect)frame

useHighDPI:(bool)useHighDPI;

/* Override superclass tag so this class can set it. */

@property (assign, readonly) NSInteger tag;

@end

SDL_cocoametalview* Cocoa_Mtl_AddMetalView(SDL_Window* window);

void Cocoa_Mtl_GetDrawableSize(SDL_Window * window, int * w, int * h);

#endif /* SDL_VIDEO_VULKAN && SDL_VIDEO_DRIVER_COCOA */

/* vi: set ts=4 sw=4 expandtab: */