diff options
| author | Brian <brian.paul@tungstengraphics.com> | 2007-08-13 15:02:50 -0600 |
|---|---|---|
| committer | Brian <brian.paul@tungstengraphics.com> | 2007-08-13 15:02:50 -0600 |
| commit | c271078048770a31028836eda684a6dbffc13cf5 (patch) | |
| tree | 7373d346e2bcbfd65b002bb58fca2ab9d511835a /src/mesa/pipe/draw/draw_twoside.c | |
| parent | faa14a9ded2ddb784302b4634f0ca40c51ec1c4b (diff) | |
with Y=0=top, front/back determination is negated
Diffstat (limited to 'src/mesa/pipe/draw/draw_twoside.c')
| -rw-r--r-- | src/mesa/pipe/draw/draw_twoside.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/pipe/draw/draw_twoside.c b/src/mesa/pipe/draw/draw_twoside.c index fdda6b362f..20b2b4a8aa 100644 --- a/src/mesa/pipe/draw/draw_twoside.c +++ b/src/mesa/pipe/draw/draw_twoside.c @@ -53,9 +53,9 @@ static void twoside_begin( struct draw_stage *stage ) /* * We'll multiply the primitive's determinant by this sign to determine * if the triangle is back-facing (negative). - * sign = 1 for CCW, -1 for CW + * sign = -1 for CCW, +1 for CW */ - twoside->sign = (stage->draw->setup.front_winding == PIPE_WINDING_CCW) ? 1 : -1; + twoside->sign = (stage->draw->setup.front_winding == PIPE_WINDING_CCW) ? -1 : 1; stage->next->begin( stage->next ); } |