问MacOS OpenGL全屏->窗口问题

EN

- (void)toggleFullscreen:(const bool)value
{
    if (value)
    {
        if (mFullScreenWindow)
            return;

        mFullScreenWindow = [[GameFullscreenWindow alloc] init];

        NSRect viewRect = [mFullScreenWindow frame];
        [mGameView stopDisplayLink:YES];
        [mGameView setFrameSize: viewRect.size];

        [mFullScreenWindow setContentView:mGameView];
        [mFullScreenWindow makeKeyAndOrderFront:self];

        RendererGLOSX::SaveDisplaySize(Vec2(viewRect.size.width, viewRect.size.height));
    }
    else
    {
        if (mFullScreenWindow == nil)
            return;

        NSRect viewRect = [mWindow contentRectForFrameRect:[mWindow frame]];
        [mGameView stopDisplayLink:YES];
        [mGameView setFrame:viewRect];

        [mWindow setContentView:mGameView];
        [mWindow makeKeyAndOrderFront:self];

        [mFullScreenWindow release];
        mFullScreenWindow = nil;

        RendererGLOSX::SaveDisplaySize(Vec2(viewRect.size.width, viewRect.size.height));
    }

    [mGameView stopDisplayLink:NO];
}