Mesa (softpipe-opt): softpipe: fix xpot calculation typo in sp_get_samples_2d_nearest_clamp_POT

[Keith Whitwell]

Module: Mesa
Branch: softpipe-opt
Commit: 0d9979d9ec5b931856d29c4ec44edb1f4931d1ac
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0d9979d9ec5b931856d29c4ec44edb1f4931d1ac

Author: Keith Whitwell <keithw at vmware.com>
Date:   Thu Aug 20 18:13:25 2009 +0100

softpipe: fix xpot calculation typo in sp_get_samples_2d_nearest_clamp_POT

---

 src/gallium/drivers/softpipe/sp_tex_sample.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c
index 90371d6..2987548 100644
--- a/src/gallium/drivers/softpipe/sp_tex_sample.c
+++ b/src/gallium/drivers/softpipe/sp_tex_sample.c
@@ -985,8 +985,8 @@ sp_get_samples_2d_nearest_clamp_POT(struct tgsi_sampler *tgsi_sampler,
    const struct sp_shader_sampler *samp = sp_shader_sampler(tgsi_sampler);
    unsigned  j;
    unsigned level = samp->level;
-   unsigned xpot = (1<<samp->xpot);
-   unsigned ypot = (1<<samp->ypot);
+   unsigned xpot = 1 << (samp->xpot - level);
+   unsigned ypot = 1 << (samp->ypot - level);
 
    for (j = 0; j < QUAD_SIZE; j++) {
       int c;