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/*
Listens to NSViewGlobalFrameDidChangeNotification
This notification is sent whenever an NSView that has an attached NSSurface changes size or changes screens (thus potentially changing graphics hardware drivers.)
*/
#import <Cocoa/Cocoa.h>
#import <Foundation/Foundation.h>
#import <AppKit/NSView.h>
#import <OpenGL/OpenGL.h>
#import <OpenGL/gl.h>
//#define DEBUG_GL_LOCKS
#ifdef DEBUG_GL_LOCKS
#define LOCK_GL(func, line) [ContextUpdater lockInFunction:func atLine:line];
#define UNLOCK_GL(func, line) [ContextUpdater unlockInFunction:func atLine:line];
#else
#define LOCK_GL(func, line) [ContextUpdater lock];
#define UNLOCK_GL(func, line) [ContextUpdater unlock];
#endif
// gznote: OpenGL NOT thread safe - need to sync on update and paints
@interface ContextUpdater : NSObject
{
}
+ (void) lock;
+ (void) lockInFunction:(char *)func atLine:(int)line;
+ (void) unlock;
+ (void) unlockInFunction:(char *)func atLine:(int)line;
- (void) registerFor:(NSOpenGLContext *)context with: (NSView *)window;
- (void) update:(NSNotification *)notification;
@end
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