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sna: Use memset for simple clears 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2012-06-16 17:53:58 +01:00
parent de4572b0b5
commit 937ca8a5d8
1 changed files with 12 additions and 7 deletions
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19
src/sna/sna_accel.c
View File

@ -2979,13 +2979,18 @@ sna_put_zpixmap_blt(DrawablePtr drawable, GCPtr gc, RegionPtr region,
kgem_bo_sync__cpu(&sna->kgem, priv->cpu_bo);
}
pixman_fill(pixmap->devPrivate.ptr,
pixmap->devKind/sizeof(uint32_t),
pixmap->drawable.bitsPerPixel,
0, 0,
pixmap->drawable.width,
pixmap->drawable.height,
priv->clear_color);
if (priv->clear_color = 0) {
memset(pixmap->devPrivate.ptr,
0, pixmap->devKind * pixmap->drawable.height);
} else {
pixman_fill(pixmap->devPrivate.ptr,
pixmap->devKind/sizeof(uint32_t),
pixmap->drawable.bitsPerPixel,
0, 0,
pixmap->drawable.width,
pixmap->drawable.height,
priv->clear_color);
}
sna_damage_all(&priv->cpu_damage,
pixmap->drawable.width,