diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_tex_sample.c')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_tex_sample.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c index e654bb77c2..088e48f81f 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; } @@ -656,7 +656,8 @@ get_texel_2d(const struct sp_sampler_varient *samp, if (x < 0 || x >= (int) u_minify(texture->width0, level) || y < 0 || y >= (int) u_minify(texture->height0, level)) { - return samp->sampler->border_color; + return sp_tex_tile_cache_border_color(samp->cache, + samp->sampler->border_color); } else { return get_texel_2d_no_border( samp, addr, x, y ); @@ -750,7 +751,8 @@ get_texel_3d(const struct sp_sampler_varient *samp, if (x < 0 || x >= (int) u_minify(texture->width0, level) || y < 0 || y >= (int) u_minify(texture->height0, level) || z < 0 || z >= (int) u_minify(texture->depth0, level)) { - return samp->sampler->border_color; + return sp_tex_tile_cache_border_color(samp->cache, + samp->sampler->border_color); } else { return get_texel_3d_no_border( samp, addr, x, y, z ); |