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sna/gen4: Backport the more efficient composite box emitters 

Now that we aren't flushing after every single rectangle, we can strive
for a little efficiency.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2012-11-23 12:32:14 +00:00
parent d3145e3f81
commit 217f3e835b
1 changed files with 28 additions and 10 deletions
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38
src/sna/gen4_render.c
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@ -1468,13 +1468,19 @@ gen4_render_composite_box(struct sna *sna,
{
struct sna_composite_rectangles r;
DBG((" %s: (%d, %d), (%d, %d)\n",
__FUNCTION__,
box->x1, box->y1, box->x2, box->y2));
gen4_get_rectangles(sna, op, 1, gen4_bind_surfaces);
r.dst.x = box->x1;
r.dst.y = box->y1;
r.width = box->x2 - box->x1;
r.height = box->y2 - box->y1;
r.mask = r.src = r.dst;
gen4_render_composite_blt(sna, op, &r);
op->prim_emit(sna, op, &r);
}
static void
@ -1490,16 +1496,28 @@ gen4_render_composite_boxes(struct sna *sna,
op->mask.width, op->mask.height));
do {
struct sna_composite_rectangles r;
int nbox_this_time;
r.dst.x = box->x1;
r.dst.y = box->y1;
r.width = box->x2 - box->x1;
r.height = box->y2 - box->y1;
r.mask = r.src = r.dst;
gen4_render_composite_blt(sna, op, &r);
box++;
} while (--nbox);
nbox_this_time = gen4_get_rectangles(sna, op, nbox,
gen4_bind_surfaces);
nbox -= nbox_this_time;
do {
struct sna_composite_rectangles r;
DBG((" %s: (%d, %d), (%d, %d)\n",
__FUNCTION__,
box->x1, box->y1, box->x2, box->y2));
r.dst.x = box->x1;
r.dst.y = box->y1;
r.width = box->x2 - box->x1;
r.height = box->y2 - box->y1;
r.mask = r.src = r.dst;
op->prim_emit(sna, op, &r);
box++;
} while (--nbox_this_time);
} while (nbox);
}
#ifndef MAX