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SDL_cocoaopengl.h (2610B)

      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 #include "../../SDL_internal.h"
     22 
     23 #ifndef SDL_cocoaopengl_h_
     24 #define SDL_cocoaopengl_h_
     25 
     26 #if SDL_VIDEO_OPENGL_CGL
     27 
     28 #include "SDL_atomic.h"
     29 #import <Cocoa/Cocoa.h>
     30 
     31 /* We still support OpenGL as long as Apple offers it, deprecated or not, so disable deprecation warnings about it. */
     32 #ifdef __clang__
     33 #pragma clang diagnostic push
     34 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
     35 #endif
     36 
     37 struct SDL_GLDriverData
     38 {
     39     int initialized;
     40 };
     41 
     42 @interface SDLOpenGLContext : NSOpenGLContext {
     43     SDL_atomic_t dirty;
     44     SDL_Window *window;
     45 }
     46 
     47 - (id)initWithFormat:(NSOpenGLPixelFormat *)format
     48         shareContext:(NSOpenGLContext *)share;
     49 - (void)scheduleUpdate;
     50 - (void)updateIfNeeded;
     51 - (void)setWindow:(SDL_Window *)window;
     52 - (SDL_Window*)window;
     53 - (void)explicitUpdate;
     54 
     55 @end
     56 
     57 /* OpenGL functions */
     58 extern int Cocoa_GL_LoadLibrary(_THIS, const char *path);
     59 extern void *Cocoa_GL_GetProcAddress(_THIS, const char *proc);
     60 extern void Cocoa_GL_UnloadLibrary(_THIS);
     61 extern SDL_GLContext Cocoa_GL_CreateContext(_THIS, SDL_Window * window);
     62 extern int Cocoa_GL_MakeCurrent(_THIS, SDL_Window * window,
     63                                 SDL_GLContext context);
     64 extern void Cocoa_GL_GetDrawableSize(_THIS, SDL_Window * window,
     65                                      int * w, int * h);
     66 extern int Cocoa_GL_SetSwapInterval(_THIS, int interval);
     67 extern int Cocoa_GL_GetSwapInterval(_THIS);
     68 extern int Cocoa_GL_SwapWindow(_THIS, SDL_Window * window);
     69 extern void Cocoa_GL_DeleteContext(_THIS, SDL_GLContext context);
     70 
     71 #ifdef __clang__
     72 #pragma clang diagnostic pop
     73 #endif
     74 
     75 #endif /* SDL_VIDEO_OPENGL_CGL */
     76 
     77 #endif /* SDL_cocoaopengl_h_ */
     78 
     79 /* vi: set ts=4 sw=4 expandtab: */