From: Marek Olšák <marek.ol...@amd.com>
AMD SI-VI use this. GFX9 doesn't. We can stop doing this for SI-VI since
border color swizzling is broken there anyway. The only other user of this
code is nouveau.
---
src/mesa/state_tracker/st_atom_sampler.c | 61 +++++++++++++++++---------------
1 file changed, 33 insertions(+), 28 deletions(-)
diff --git a/src/mesa/state_tracker/st_atom_sampler.c
b/src/mesa/state_tracker/st_atom_sampler.c
index 9e5d940..9695069 100644
--- a/src/mesa/state_tracker/st_atom_sampler.c
+++ b/src/mesa/state_tracker/st_atom_sampler.c
@@ -170,51 +170,56 @@ st_convert_sampler(const struct st_context *st,
sampler->max_lod = sampler->min_lod;
sampler->min_lod = tmp;
assert(sampler->min_lod <= sampler->max_lod);
}
/* For non-black borders... */
if (msamp->BorderColor.ui[0] ||
msamp->BorderColor.ui[1] ||
msamp->BorderColor.ui[2] ||
msamp->BorderColor.ui[3]) {
- const struct st_texture_object *stobj = st_texture_object_const(texobj);
const GLboolean is_integer = texobj->_IsIntegerFormat;
- const struct pipe_sampler_view *sv = NULL;
- union pipe_color_union border_color;
- GLuint i;
-
- /* Just search for the first used view. We can do this because the
- swizzle is per-texture, not per context. */
- /* XXX: clean that up to not use the sampler view at all */
- for (i = 0; i < stobj->num_sampler_views; ++i) {
- if (stobj->sampler_views[i]) {
- sv = stobj->sampler_views[i];
- break;
- }
- }
- if (st->apply_texture_swizzle_to_border_color && sv) {
- const unsigned char swz[4] =
- {
- sv->swizzle_r,
- sv->swizzle_g,
- sv->swizzle_b,
- sv->swizzle_a,
- };
-
- st_translate_color(&msamp->BorderColor,
- &border_color,
- texBaseFormat, is_integer);
+ if (st->apply_texture_swizzle_to_border_color) {
+ const struct st_texture_object *stobj =
st_texture_object_const(texobj);
+ const struct pipe_sampler_view *sv = NULL;
+
+ /* Just search for the first used view. We can do this because the
+ swizzle is per-texture, not per context. */
+ /* XXX: clean that up to not use the sampler view at all */
+ for (unsigned i = 0; i < stobj->num_sampler_views; ++i) {
+ if (stobj->sampler_views[i]) {
+ sv = stobj->sampler_views[i];
+ break;
+ }
+ }
- util_format_apply_color_swizzle(&sampler->border_color,
- &border_color, swz, is_integer);
+ if (sv) {
+ union pipe_color_union tmp;
+ const unsigned char swz[4] =
+ {
+ sv->swizzle_r,
+ sv->swizzle_g,
+ sv->swizzle_b,
+ sv->swizzle_a,
+ };
+
+ st_translate_color(&msamp->BorderColor, &tmp,
+ texBaseFormat, is_integer);
+
+ util_format_apply_color_swizzle(&sampler->border_color,
+ &tmp, swz, is_integer);
+ } else {
+ st_translate_color(&msamp->BorderColor,
+ &sampler->border_color,
+ texBaseFormat, is_integer);
+ }
} else {
st_translate_color(&msamp->BorderColor,
&sampler->border_color,
texBaseFormat, is_integer);
}
}
sampler->max_anisotropy = (msamp->MaxAnisotropy == 1.0 ?
0 : (GLuint) msamp->MaxAnisotropy);
--
2.7.4
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