#import "MyUtils.h" @implementation NSOpenGLContext (MyUtils) //--------------------------------------------------------------------------- - (void)SetSwapInterval:(long)interval { [self setValues:&interval forParameter:NSOpenGLCPSwapInterval]; } //--------------------------------------------------------------------------- - (NSOpenGLContext*)MakeCurrentContext {/* Makes this context the current one, returning whatever was the previous current context. */ NSOpenGLContext* prev = [NSOpenGLContext currentContext]; [self makeCurrentContext]; return prev; } //--------------------------------------------------------------------------- @end