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SDL_uikitmetalview.h (1947B)

      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 /*
     23  * @author Mark Callow, www.edgewise-consulting.com.
     24  *
     25  * Thanks to Alex Szpakowski, @slime73 on GitHub, for his gist showing
     26  * how to add a CAMetalLayer backed view.
     27  */
     28 
     29 #ifndef SDL_uikitmetalview_h_
     30 #define SDL_uikitmetalview_h_
     31 
     32 #include "../SDL_sysvideo.h"
     33 #include "SDL_uikitwindow.h"
     34 
     35 #if SDL_VIDEO_DRIVER_UIKIT && (SDL_VIDEO_VULKAN || SDL_VIDEO_METAL)
     36 
     37 #import <UIKit/UIKit.h>
     38 #import <Metal/Metal.h>
     39 #import <QuartzCore/CAMetalLayer.h>
     40 
     41 #define METALVIEW_TAG 255
     42 
     43 @interface SDL_uikitmetalview : SDL_uikitview
     44 
     45 - (instancetype)initWithFrame:(CGRect)frame
     46                         scale:(CGFloat)scale;
     47 
     48 @end
     49 
     50 SDL_MetalView UIKit_Metal_CreateView(_THIS, SDL_Window * window);
     51 void UIKit_Metal_DestroyView(_THIS, SDL_MetalView view);
     52 void *UIKit_Metal_GetLayer(_THIS, SDL_MetalView view);
     53 void UIKit_Metal_GetDrawableSize(_THIS, SDL_Window * window, int * w, int * h);
     54 
     55 #endif /* SDL_VIDEO_DRIVER_UIKIT && (SDL_VIDEO_VULKAN || SDL_VIDEO_METAL) */
     56 
     57 #endif /* SDL_uikitmetalview_h_ */
     58 
     59 /* vi: set ts=4 sw=4 expandtab: */