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SDL_cocoametalview.h (2285B)

      1 /*
      2   Simple DirectMedia Layer
      3   Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
      4 
      5   This software is provided 'as-is', without any express or implied
      6   warranty.  In no event will the authors be held liable for any damages
      7   arising from the use of this software.
      8 
      9   Permission is granted to anyone to use this software for any purpose,
     10   including commercial applications, and to alter it and redistribute it
     11   freely, subject to the following restrictions:
     12 
     13   1. The origin of this software must not be misrepresented; you must not
     14      claim that you wrote the original software. If you use this software
     15      in a product, an acknowledgment in the product documentation would be
     16      appreciated but is not required.
     17   2. Altered source versions must be plainly marked as such, and must not be
     18      misrepresented as being the original software.
     19   3. This notice may not be removed or altered from any source distribution.
     20 */
     21 /*
     22  * @author Mark Callow, www.edgewise-consulting.com.
     23  *
     24  * Thanks to Alex Szpakowski, @slime73 on GitHub, for his gist showing
     25  * how to add a CAMetalLayer backed view.
     26  */
     27 #include "../../SDL_internal.h"
     28 
     29 #ifndef SDL_cocoametalview_h_
     30 #define SDL_cocoametalview_h_
     31 
     32 #if SDL_VIDEO_DRIVER_COCOA && (SDL_VIDEO_VULKAN || SDL_VIDEO_METAL)
     33 
     34 #import "../SDL_sysvideo.h"
     35 
     36 #import "SDL_cocoawindow.h"
     37 
     38 #import <Cocoa/Cocoa.h>
     39 #import <Metal/Metal.h>
     40 #import <QuartzCore/CAMetalLayer.h>
     41 
     42 #define METALVIEW_TAG 255
     43 
     44 @interface SDL_cocoametalview : NSView
     45 
     46 - (instancetype)initWithFrame:(NSRect)frame
     47                       highDPI:(BOOL)highDPI
     48                      windowID:(Uint32)windowID;
     49 
     50 - (void)updateDrawableSize;
     51 - (NSView *)hitTest:(NSPoint)point;
     52 
     53 /* Override superclass tag so this class can set it. */
     54 @property (assign, readonly) NSInteger tag;
     55 
     56 @property (nonatomic) BOOL highDPI;
     57 @property (nonatomic) Uint32 sdlWindowID;
     58 
     59 @end
     60 
     61 SDL_MetalView Cocoa_Metal_CreateView(_THIS, SDL_Window * window);
     62 void Cocoa_Metal_DestroyView(_THIS, SDL_MetalView view);
     63 void *Cocoa_Metal_GetLayer(_THIS, SDL_MetalView view);
     64 void Cocoa_Metal_GetDrawableSize(_THIS, SDL_Window * window, int * w, int * h);
     65 
     66 #endif /* SDL_VIDEO_DRIVER_COCOA && (SDL_VIDEO_VULKAN || SDL_VIDEO_METAL) */
     67 
     68 #endif /* SDL_cocoametalview_h_ */
     69 
     70 /* vi: set ts=4 sw=4 expandtab: */
     71