[Mesa-dev] [PATCH] mesa/swrast: fix inverted front buffer rendering with old-school swrast

[Alexander von Gluck IV]

On Tue, Nov 12, 2013 at 8:56 PM, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
> 
> I've no idea when this broke, but we have some people who wanted it 
> fixed,
> so here's my attempt.
> 
A quick side note, we saw the same issue in Haiku ~Mesa 9.1.1. 
 (Suddenly the swrast render was inverted vertically)

We solved it generally the same way.

Just food for thought :-)