KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

freedreno/a3xx: fix border color swizzle to match texture format desc 

This is a hack since it uses the texture information together with the
sampler, but I don't see a better way to do it. In OpenGL, there is a
1:1 correspondence.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Ilia Mirkin 2014-12-02 23:27:03 -05:00
parent 97fef2db5c
commit fc94b2c2a0
1 changed files with 18 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
src/gallium/drivers/freedreno/a3xx/fd3_emit.c
View File

@ -202,10 +202,24 @@ emit_textures(struct fd_context *ctx, struct fd_ringbuffer *ring,
(BORDERCOLOR_SIZE * tex_off[sb]) +
(BORDERCOLOR_SIZE * i));
bcolor[0] = util_float_to_half(sampler->base.border_color.f[2]);
bcolor[1] = util_float_to_half(sampler->base.border_color.f[1]);
bcolor[2] = util_float_to_half(sampler->base.border_color.f[0]);
bcolor[3] = util_float_to_half(sampler->base.border_color.f[3]);
/*
* XXX HACK ALERT XXX
*
* The border colors need to be swizzled in a particular
* format-dependent order. Even though samplers don't know about
* formats, we can assume that with a GL state tracker, there's a
* 1:1 correspondence between sampler and texture. Take advantage
* of that knowledge.
*/
if (i < tex->num_textures && tex->textures[i]) {
const struct util_format_description *desc =
util_format_description(tex->textures[i]->format);
for (j = 0; j < 4; j++) {
if (desc->swizzle[j] < 4)
bcolor[desc->swizzle[j]] =
util_float_to_half(sampler->base.border_color.f[j]);
}
}
OUT_RING(ring, sampler->texsamp0);
OUT_RING(ring, sampler->texsamp1);