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cell: fix broken negative texcoord conversion

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This commit is contained in:
Brian Paul 2008-10-14 12:52:16 -06:00
parent 6d2d5ceca2
commit 4f56d5bbf2
1 changed files with 4 additions and 4 deletions
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8
src/gallium/drivers/cell/spu/spu_texture.c
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@ -138,8 +138,8 @@ sample_texture4_bilinear(vector float s, vector float t,
vector float ss = spu_madd(s, spu.texture[unit].level[level].width4, spu_splats(-0.5f));
vector float tt = spu_madd(t, spu.texture[unit].level[level].height4, spu_splats(-0.5f));
vector unsigned int is0 = spu_convtu(ss, 0);
vector unsigned int it0 = spu_convtu(tt, 0);
vector unsigned int is0 = (vector unsigned int) spu_convts(ss, 0);
vector unsigned int it0 = (vector unsigned int) spu_convts(tt, 0);
/* is + 1, it + 1 */
vector unsigned int is1 = spu_add(is0, 1);
@ -281,8 +281,8 @@ sample_texture4_bilinear_2(vector float s, vector float t,
vector float tt = spu_madd(t, spu.texture[unit].level[level].height4, half);
/* convert float coords to fixed-pt coords with 8 fraction bits */
vector unsigned int is = spu_convtu(ss, 8);
vector unsigned int it = spu_convtu(tt, 8);
vector unsigned int is = (vector unsigned int) spu_convts(ss, 8);
vector unsigned int it = (vector unsigned int) spu_convts(tt, 8);
/* compute integer texel weights in [0, 255] */
vector signed int sWeights0 = spu_and((vector signed int) is, 255);