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sna: Hint likely usage of CPU bo 

If we are going to transfer GPU damage back to the CPU bo, then we can
reuse an active buffer and so improve the recycling.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-12-18 16:58:04 +00:00
parent 3018967438
commit 34efb73146
1 changed files with 7 additions and 6 deletions
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13
src/sna/sna_accel.c
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@ -187,7 +187,8 @@ static void sna_pixmap_destroy_gpu_bo(struct sna *sna, struct sna_pixmap *priv)
static bool must_check
sna_pixmap_alloc_cpu(struct sna *sna,
PixmapPtr pixmap,
struct sna_pixmap *priv)
struct sna_pixmap *priv,
bool from_gpu)
{
assert(priv->ptr == NULL);
assert(pixmap->devKind);
@ -201,7 +202,7 @@ sna_pixmap_alloc_cpu(struct sna *sna,
pixmap->drawable.height,
pixmap->drawable.bitsPerPixel,
I915_TILING_NONE,
CREATE_INACTIVE);
from_gpu ? 0 : CREATE_INACTIVE);
DBG(("%s: allocated CPU handle=%d\n", __FUNCTION__,
priv->cpu_bo->handle));
@ -685,7 +686,7 @@ skip_inplace_map:
}
if (pixmap->devPrivate.ptr == NULL &&
!sna_pixmap_alloc_cpu(sna, pixmap, priv))
!sna_pixmap_alloc_cpu(sna, pixmap, priv, priv->gpu_damage != NULL))
return false;
if (priv->gpu_bo == NULL) {
@ -856,7 +857,7 @@ sna_drawable_move_region_to_cpu(DrawablePtr drawable,
}
if (pixmap->devPrivate.ptr == NULL &&
!sna_pixmap_alloc_cpu(sna, pixmap, priv))
!sna_pixmap_alloc_cpu(sna, pixmap, priv, priv->gpu_damage != NULL))
return false;
if (priv->gpu_bo == NULL)
@ -1680,7 +1681,7 @@ sna_put_zpixmap_blt(DrawablePtr drawable, GCPtr gc, RegionPtr region,
}
if (pixmap->devPrivate.ptr == NULL &&
!sna_pixmap_alloc_cpu(sna, pixmap, priv))
!sna_pixmap_alloc_cpu(sna, pixmap, priv, false))
return true;
if (region_subsumes_drawable(region, &pixmap->drawable)) {
@ -8974,7 +8975,7 @@ sna_pixmap_free_gpu(struct sna *sna, struct sna_pixmap *priv)
assert (!priv->flush);
if (pixmap->devPrivate.ptr == NULL &&
!sna_pixmap_alloc_cpu(sna, pixmap, priv))
!sna_pixmap_alloc_cpu(sna, pixmap, priv, priv->gpu_damage != NULL))
return false;
if (priv->gpu_damage) {