On Sat, 2006-07-01 at 14:43 +0200, Martijn van Oosterhout wrote:
> On 6/30/06, Michel Dänzer <[EMAIL PROTECTED]> wrote:
> > On Fri, 2006-06-30 at 11:23 -0600, Brian Paul wrote:
> > >
> > > 2. Use 'else if' since x1 can't be both < 0 and >= fbWidth
> >
> > Actually, this points out the possible source of the remaining problems:
> > x2 and y2 also need clamping to fbWidth-1 and fbHeight-1, respectively,
> > and if (x1 >= x2 || y1 >= y2), the cliprect is empty and should be
> > skipped.
Make that '[xy]2 should be clamped against fb{Width,Height}-1, not
[xy]1, and if (x1 > x2 || y1 > y2) ...'.
--
Earthling Michel Dänzer | http://tungstengraphics.com
Libre software enthusiast | Debian, X and DRI developer
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