1 files changed, 63 insertions, 0 deletions
diff --git a/source/3rd-party/SDL2/src/video/cocoa/SDL_cocoametalview.h b/source/3rd-party/SDL2/src/video/cocoa/SDL_cocoametalview.h
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+++ b/source/3rd-party/SDL2/src/video/cocoa/SDL_cocoametalview.h
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+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2018 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_DRIVER_COCOA && (SDL_VIDEO_VULKAN || SDL_VIDEO_RENDER_METAL)
+
+#import <Cocoa/Cocoa.h>
+#import <Metal/Metal.h>
+#import <QuartzCore/CAMetalLayer.h>
+
+#define METALVIEW_TAG 255
+
+@interface SDL_cocoametalview : NSView
+
+- (instancetype)initWithFrame:(NSRect)frame
+                      highDPI:(BOOL)highDPI;
+
+/* Override superclass tag so this class can set it. */
+@property (assign, readonly) NSInteger tag;
+
+@property (nonatomic) BOOL highDPI;
+
+@end
+
+SDL_cocoametalview* Cocoa_Mtl_AddMetalView(SDL_Window* window);
+
+void Cocoa_Mtl_GetDrawableSize(SDL_Window * window, int * w, int * h);
+
+#endif /* SDL_VIDEO_DRIVER_COCOA && (SDL_VIDEO_VULKAN || SDL_VIDEO_RENDER_METAL) */
+
+#endif /* SDL_cocoametalview_h_ */
+
+/* vi: set ts=4 sw=4 expandtab: */
+