diff options
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_tex_sample.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c index e654bb77c29..96ccf1da988 100644 --- a/src/gallium/drivers/softpipe/sp_tex_sample.c +++ b/src/gallium/drivers/softpipe/sp_tex_sample.c @@ -105,14 +105,14 @@ lerp_3d(float a, float b, float c, /** * Compute coord % size for repeat wrap modes. - * Note that if coord is a signed integer, coord % size doesn't give - * the right value for coord < 0 (in terms of texture repeat). Just - * casting to unsigned fixes that. + * Note that if coord is negative, coord % size doesn't give the right + * value. To avoid that problem we add a large multiple of the size + * (rather than using a conditional). */ static INLINE int repeat(int coord, unsigned size) { - return (int) ((unsigned) coord % size); + return (coord + size * 1024) % size; } |