From: Keith Whitwell <keithw@vmware.com>
Date: Mon, 27 Jul 2009 14:51:15 +0000 (+0100)
Subject: softpipe: fix off-by-one in nearest texcoord routines
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5fdac2dcea09c654725666b3cab5f59dfc9e31a5;p=mesa.git

softpipe: fix off-by-one in nearest texcoord routines

Stray '- 0.5' copied from linear versions.
---

diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c
index 8248576e98e..4651d781a95 100644
--- a/src/gallium/drivers/softpipe/sp_tex_sample.c
+++ b/src/gallium/drivers/softpipe/sp_tex_sample.c
@@ -955,8 +955,8 @@ sp_get_samples_2d_nearest_repeat_POT(struct tgsi_sampler *tgsi_sampler,
    for (j = 0; j < QUAD_SIZE; j++) {
       int c;
 
-      float u = s[j] * xpot - 0.5F;
-      float v = t[j] * ypot - 0.5F;
+      float u = s[j] * xpot;
+      float v = t[j] * ypot;
 
       int uflr = util_ifloor(u);
       int vflr = util_ifloor(v);
@@ -990,8 +990,8 @@ sp_get_samples_2d_nearest_clamp_POT(struct tgsi_sampler *tgsi_sampler,
    for (j = 0; j < QUAD_SIZE; j++) {
       int c;
 
-      float u = s[j] * xpot - 0.5F;
-      float v = t[j] * ypot - 0.5F;
+      float u = s[j] * xpot;
+      float v = t[j] * ypot;
 
       int x0, y0;
       const float *out;