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sna: Cache small pixmaps rather than forcing a large fallback for BLT operations 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-06-17 14:08:06 +01:00
parent 322e51a3a5
commit 0ca25c7b49
1 changed files with 26 additions and 2 deletions
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28
src/sna/sna_accel.c
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@ -11835,8 +11835,32 @@ sna_pixmap_get_source_bo(PixmapPtr pixmap)
if (priv->cpu_damage && priv->cpu_bo)
return kgem_bo_reference(priv->cpu_bo);
if (!sna_pixmap_move_to_gpu(pixmap, MOVE_READ | MOVE_ASYNC_HINT))
return NULL;
if (!sna_pixmap_move_to_gpu(pixmap, MOVE_READ | MOVE_ASYNC_HINT)) {
struct kgem_bo *upload;
struct sna *sna = to_sna_from_pixmap(pixmap);
BoxRec box;
box.x1 = box.y1 = 0;
box.x2 = pixmap->drawable.width;
box.y2 = pixmap->drawable.height;
if (priv->gpu_damage)
return NULL;
upload = kgem_upload_source_image(&sna->kgem,
pixmap->devPrivate.ptr, &box,
pixmap->devKind,
pixmap->drawable.bitsPerPixel);
if (upload == NULL)
return NULL;
if (pixmap->usage_hint == 0 && priv->gpu_bo == NULL) {
DBG(("%s: adding upload cache to pixmap=%ld\n",
__FUNCTION__, pixmap->drawable.serialNumber));
assert(upload->proxy != NULL);
kgem_proxy_bo_attach(upload, &priv->gpu_bo);
}
return upload;
}
return kgem_bo_reference(priv->gpu_bo);
}