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sna/gen3: Perform alpha-fixup upon copy sources 

This is required for copying from depth-15 surfaces onto other depths.

Reported-by: Reinis Danne
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-03-04 10:10:39 +00:00
parent 48a733a35a
commit 59f030dd27
1 changed files with 15 additions and 2 deletions
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17
src/sna/gen3_render.c
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@ -5554,6 +5554,8 @@ gen3_render_copy_setup_source(struct sna_composite_channel *channel,
PixmapPtr pixmap,
struct kgem_bo *bo)
{
int i;
channel->u.gen3.type = SHADER_TEXTURE;
channel->filter = gen3_filter(PictFilterNearest);
channel->repeat = gen3_texture_repeat(RepeatNone);
@ -5563,9 +5565,20 @@ gen3_render_copy_setup_source(struct sna_composite_channel *channel,
channel->scale[1] = 1.f/pixmap->drawable.height;
channel->offset[0] = 0;
channel->offset[1] = 0;
gen3_composite_channel_set_format(channel,
sna_format_for_depth(pixmap->drawable.depth));
channel->pict_format = sna_format_for_depth(pixmap->drawable.depth);
if (!gen3_composite_channel_set_format(channel, channel->pict_format)) {
for (i = 0; i < ARRAY_SIZE(gen3_tex_formats); i++) {
if (gen3_tex_formats[i].xfmt == channel->pict_format) {
channel->card_format = gen3_tex_formats[i].card_fmt;
channel->rb_reversed = gen3_tex_formats[i].rb_reversed;
channel->alpha_fixup = true;
break;
}
}
}
assert(channel->card_format);
channel->bo = bo;
channel->is_affine = 1;
}