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path: root/src/gallium/drivers/softpipe/sp_tex_sample.c
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Diffstat (limited to 'src/gallium/drivers/softpipe/sp_tex_sample.c')
-rw-r--r--src/gallium/drivers/softpipe/sp_tex_sample.c14
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 );