[SDL] UpdateRects sketchy
John R. Hall
overcode at overcode.net
Sat Sep 14 16:24:01 PDT 2002
pchans at wm.edu wrote:
> I just started playing with SDL yesterday, and pretty quickly ran into a
> problem with screen updates. Calls to UpdateRect() do not always result
> in an image being drawn on the screen. Rather, after a number of calls
> to UpdateRect a vaguely rectangular portion of the window/screen may be
> updated, but not necessarily the entire portion that ought to have been
> updated. I am reasonably confident that my update rectangles are
> correct, as some of the time UpdateRect() behaves as I would expect.
> Also, in windowed mode, moving my window off the screen and back on will
> update regions that went off the screen.
> NB: I am using SDL 1.2 Mac OS X.
Mac OS X.2, by chance? I've observed quite a few (non-SDL related
display glitches in Jaguar, which I speculate are due to the new Quartz
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