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-rw-r--r--src/gallium/drivers/softpipe/sp_setup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c
index 5d727dc00d..0ce28f4c6e 100644
--- a/src/gallium/drivers/softpipe/sp_setup.c
+++ b/src/gallium/drivers/softpipe/sp_setup.c
@@ -575,7 +575,7 @@ setup_fragcoord_coeff(struct setup_context *setup, uint slot)
setup->coef[slot].dady[0] = 0.0;
/*Y*/
setup->coef[slot].a0[1] =
- (spfs->origin_lower_left ? setup->softpipe->framebuffer.height : 0)
+ (spfs->origin_lower_left ? setup->softpipe->framebuffer.height-1 : 0)
+ (spfs->pixel_center_integer ? 0.0 : 0.5);
setup->coef[slot].dadx[1] = 0.0;
setup->coef[slot].dady[1] = spfs->origin_lower_left ? -1.0 : 1.0;