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_cull.c | |
| parent | faa14a9ded2ddb784302b4634f0ca40c51ec1c4b (diff) | |
with Y=0=top, front/back determination is negated
Diffstat (limited to 'src/mesa/pipe/draw/draw_cull.c')
| -rw-r--r-- | src/mesa/pipe/draw/draw_cull.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/pipe/draw/draw_cull.c b/src/mesa/pipe/draw/draw_cull.c index 8b2ac5ea5f..48a7f5dab8 100644 --- a/src/mesa/pipe/draw/draw_cull.c +++ b/src/mesa/pipe/draw/draw_cull.c @@ -78,10 +78,10 @@ static void cull_tri( struct draw_stage *stage, header->det = ex * fy - ey * fx; if (header->det != 0) { - /* if (det > 0 then Z points toward camera and triangle is + /* if (det < 0 then Z points toward camera and triangle is * counter-clockwise winding. */ - GLuint winding = (header->det > 0) ? PIPE_WINDING_CCW : PIPE_WINDING_CW; + GLuint winding = (header->det < 0) ? PIPE_WINDING_CCW : PIPE_WINDING_CW; if ((winding & cull_stage(stage)->winding) == 0) { /* triangle is not culled, pass to next stage */ |