diff options
| author | Brian <brian.paul@tungstengraphics.com> | 2007-11-16 10:39:08 -0700 |
|---|---|---|
| committer | Brian <brian.paul@tungstengraphics.com> | 2007-11-16 10:39:08 -0700 |
| commit | 95f066fc54ed351a93350b99b584987b88524e71 (patch) | |
| tree | 81478fd77dec48917081c011f96b96b2b5916bbe /src/mesa | |
| parent | f361edae5d495254f4bc27473bf24b1ac7d5af06 (diff) | |
note problem with fragment coord Y orientation
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/pipe/softpipe/sp_quad_fs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/pipe/softpipe/sp_quad_fs.c b/src/mesa/pipe/softpipe/sp_quad_fs.c index 17fb10ea72..ed14dac18e 100644 --- a/src/mesa/pipe/softpipe/sp_quad_fs.c +++ b/src/mesa/pipe/softpipe/sp_quad_fs.c @@ -104,6 +104,10 @@ shade_quad( machine->Inputs[0].xyzw[0].f[2] = fx; machine->Inputs[0].xyzw[0].f[3] = fx + 1.0f; + /* XXX for OpenGL we need to invert the Y pos here (y=0=top). + * but that'll mess up linear/perspective interpolation of other + * attributes... + */ machine->Inputs[0].xyzw[1].f[0] = fy; machine->Inputs[0].xyzw[1].f[1] = fy; machine->Inputs[0].xyzw[1].f[2] = fy + 1.0f; |