|  | /* | 
|  | Simple DirectMedia Layer | 
|  | Copyright (C) 1997-2024 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. | 
|  | */ | 
|  | #include "SDL_internal.h" | 
|  |  | 
|  | #ifndef SDL_cocoaopengl_h_ | 
|  | #define SDL_cocoaopengl_h_ | 
|  |  | 
|  | #ifdef SDL_VIDEO_OPENGL_CGL | 
|  |  | 
|  | #import <Cocoa/Cocoa.h> | 
|  | #import <QuartzCore/CVDisplayLink.h> | 
|  |  | 
|  | /* We still support OpenGL as long as Apple offers it, deprecated or not, so disable deprecation warnings about it. */ | 
|  | #ifdef __clang__ | 
|  | #pragma clang diagnostic push | 
|  | #pragma clang diagnostic ignored "-Wdeprecated-declarations" | 
|  | #endif | 
|  |  | 
|  | struct SDL_GLDriverData | 
|  | { | 
|  | int initialized; | 
|  | }; | 
|  |  | 
|  | @interface SDLOpenGLContext : NSOpenGLContext | 
|  | { | 
|  | SDL_AtomicInt dirty; | 
|  | SDL_Window *window; | 
|  | CVDisplayLinkRef displayLink; | 
|  | @public | 
|  | SDL_Mutex *swapIntervalMutex; | 
|  | @public | 
|  | SDL_Condition *swapIntervalCond; | 
|  | @public | 
|  | SDL_AtomicInt swapIntervalSetting; | 
|  | @public | 
|  | SDL_AtomicInt swapIntervalsPassed; | 
|  | } | 
|  |  | 
|  | - (id)initWithFormat:(NSOpenGLPixelFormat *)format | 
|  | shareContext:(NSOpenGLContext *)share; | 
|  | - (void)scheduleUpdate; | 
|  | - (void)updateIfNeeded; | 
|  | - (void)movedToNewScreen; | 
|  | - (void)setWindow:(SDL_Window *)window; | 
|  | - (SDL_Window *)window; | 
|  | - (void)explicitUpdate; | 
|  | - (void)cleanup; | 
|  |  | 
|  | @property(retain, nonatomic) NSOpenGLPixelFormat *openglPixelFormat; // macOS 10.10 has -[NSOpenGLContext pixelFormat] but this handles older OS releases. | 
|  |  | 
|  | @end | 
|  |  | 
|  | /* OpenGL functions */ | 
|  | extern int Cocoa_GL_LoadLibrary(SDL_VideoDevice *_this, const char *path); | 
|  | extern SDL_FunctionPointer Cocoa_GL_GetProcAddress(SDL_VideoDevice *_this, const char *proc); | 
|  | extern void Cocoa_GL_UnloadLibrary(SDL_VideoDevice *_this); | 
|  | extern SDL_GLContext Cocoa_GL_CreateContext(SDL_VideoDevice *_this, SDL_Window *window); | 
|  | extern int Cocoa_GL_MakeCurrent(SDL_VideoDevice *_this, SDL_Window *window, | 
|  | SDL_GLContext context); | 
|  | extern int Cocoa_GL_SetSwapInterval(SDL_VideoDevice *_this, int interval); | 
|  | extern int Cocoa_GL_GetSwapInterval(SDL_VideoDevice *_this, int *interval); | 
|  | extern int Cocoa_GL_SwapWindow(SDL_VideoDevice *_this, SDL_Window *window); | 
|  | extern int Cocoa_GL_DeleteContext(SDL_VideoDevice *_this, SDL_GLContext context); | 
|  |  | 
|  | #ifdef __clang__ | 
|  | #pragma clang diagnostic pop | 
|  | #endif | 
|  |  | 
|  | #endif /* SDL_VIDEO_OPENGL_CGL */ | 
|  |  | 
|  | #endif /* SDL_cocoaopengl_h_ */ |