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sna: Do a quick pass on dirty damage before reduction 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-10-18 17:30:18 +01:00
parent eedcac9a2d
commit db086d02af
1 changed files with 22 additions and 1 deletions
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23
src/sna/sna_damage.c
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@ -1277,7 +1277,8 @@ fastcall struct sna_damage *_sna_damage_subtract_boxes(struct sna_damage *damage
static int __sna_damage_contains_box(struct sna_damage *damage,
const BoxRec *box)
{
int ret;
const BoxRec *b;
int n, count, ret;
if (!damage)
return PIXMAN_REGION_OUT;
@ -1295,9 +1296,29 @@ static int __sna_damage_contains_box(struct sna_damage *damage,
if (damage->mode == DAMAGE_ADD) {
if (ret == PIXMAN_REGION_IN)
return ret;
count = damage->embedded_box.size;
if (list_is_empty(&damage->embedded_box.list))
count -= damage->remain;
b = damage->embedded_box.box;
for (n = 0; n < count; n++) {
if (box_contains(&b[n], box))
return PIXMAN_REGION_IN;
}
} else {
if (ret == PIXMAN_REGION_OUT)
return ret;
count = damage->embedded_box.size;
if (list_is_empty(&damage->embedded_box.list))
count -= damage->remain;
b = damage->embedded_box.box;
for (n = 0; n < count; n++) {
if (box_contains(&b[n], box))
return PIXMAN_REGION_OUT;
}
}
__sna_damage_reduce(damage);