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sna/gen3: Improve clear-to-solid reduction 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2012-03-18 11:10:14 +00:00
parent 7ce5f4a113
commit 82023397cd
1 changed files with 24 additions and 0 deletions
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24
src/sna/gen3_render.c
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@ -2257,6 +2257,27 @@ gen3_init_radial(struct sna *sna,
return 1;
}
static Bool
sna_picture_is_clear(PicturePtr picture,
int x, int y, int w, int h,
uint32_t *color)
{
struct sna_pixmap *priv;
if (!picture->pDrawable)
return FALSE;
priv = sna_pixmap(get_drawable_pixmap(picture->pDrawable));
if (priv == NULL || !priv->clear)
return FALSE;
if (!source_is_covered(picture, x, y, w, h))
return FALSE;
*color = priv->clear_color;
return TRUE;
}
static Bool
gen3_composite_picture(struct sna *sna,
PicturePtr picture,
@ -2310,6 +2331,9 @@ gen3_composite_picture(struct sna *sna,
if (sna_picture_is_solid(picture, &color))
return gen3_init_solid(channel, color);
if (sna_picture_is_clear(picture, x, y, w, h, &color))
return gen3_init_solid(channel, color);
if (!gen3_check_repeat(picture))
return sna_render_picture_fixup(sna, picture, channel,
x, y, w, h, dst_x, dst_y);