#import "MyUtils.h" @implementation NSOpenGLContext (MyUtils) //--------------------------------------------------------------------------- - (void)SetSwapInterval:(long)interval { [self setValues:&interval forParameter:NSOpenGLCPSwapInterval]; } //--------------------------------------------------------------------------- - (NSOpenGLContext*)MakeCurrentContext { NSOpenGLContext* prev = [NSOpenGLContext currentContext]; [self makeCurrentContext]; return prev; } //--------------------------------------------------------------------------- @end