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

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Stray '- 0.5' copied from linear versions.
This commit is contained in:
Keith Whitwell
2009-07-27 15:51:15 +01:00
parent 6142de393f
commit 5fdac2dcea
1 changed files with 4 additions and 4 deletions
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src/gallium/drivers/softpipe/sp_tex_sample.c
+4 -4
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@@ -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;