diff options
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_setup.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c index 9036f32c090..b8590a8cc2c 100644 --- a/src/gallium/drivers/softpipe/sp_setup.c +++ b/src/gallium/drivers/softpipe/sp_setup.c @@ -908,7 +908,6 @@ line_persp_coeff(const struct setup_context *setup, uint i, const float v[2]) { - /* XXX double-check/verify this arithmetic */ const float a0 = v[0] * setup->vmin[0][3]; const float a1 = v[1] * setup->vmax[0][3]; const float da = a1 - a0; @@ -916,7 +915,7 @@ line_persp_coeff(const struct setup_context *setup, const float dady = da * setup->emaj.dy * setup->oneoverarea; coef->dadx[i] = dadx; coef->dady[i] = dady; - coef->a0[i] = (v[0] - /* XXX: <-- shouldn't that be a0? */ + coef->a0[i] = (a0 - (dadx * (setup->vmin[0][0] - setup->pixel_offset) + dady * (setup->vmin[0][1] - setup->pixel_offset))); } |