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author | Brian <brian.paul@tungstengraphics.com> | 2008-02-04 16:48:00 -0700 |
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committer | Brian <brian.paul@tungstengraphics.com> | 2008-02-04 16:48:00 -0700 |
commit | 1a75464cdc12a1e83f1452707cd624c53f808308 (patch) | |
tree | 3a6cc3f7f419092cf2f702f4573713921b75bfd0 /src/mesa/pipe | |
parent | efa8e03a6f3f7c27b019d20cca93bf7e624d7035 (diff) |
Cell: fix small sampling error in sample_texture_bilinear()
Diffstat (limited to 'src/mesa/pipe')
-rw-r--r-- | src/mesa/pipe/cell/spu/spu_texture.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/pipe/cell/spu/spu_texture.c b/src/mesa/pipe/cell/spu/spu_texture.c index 9ee2b45e24..01ff33a857 100644 --- a/src/mesa/pipe/cell/spu/spu_texture.c +++ b/src/mesa/pipe/cell/spu/spu_texture.c @@ -150,6 +150,8 @@ sample_texture_bilinear(vector float texcoord) static const vector unsigned int offset01 = {0, 1, 0, 0}; vector float tc = spu_mul(texcoord, spu.tex_size); + tc = spu_add(tc, spu_splats(-0.5f)); /* half texel bias */ + /* integer texcoords S,T: */ vector unsigned int itc00 = spu_convtu(tc, 0); /* convert to int */ vector unsigned int itc01 = spu_add(itc00, offset01); |