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sna: Make sure the source is coherent on the CPU before uploading 

Makes the presumption that for the upload path the region is stored on
the CPU explicit.

References: https://bugs.freedesktop.org/show_bug.cgi?id=61628
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-06-11 14:23:57 +01:00
parent 2e2db4b88f
commit 7d91051c50
1 changed files with 16 additions and 15 deletions
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31
src/sna/sna_accel.c
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@ -4861,6 +4861,22 @@ sna_copy_boxes(DrawablePtr src, DrawablePtr dst, GCPtr gc,
}
}
if (src_priv) {
bool ret;
RegionTranslate(region, src_dx, src_dy);
ret = sna_drawable_move_region_to_cpu(&src_pixmap->drawable,
region, MOVE_READ);
RegionTranslate(region, -src_dx, -src_dy);
if (!ret)
goto fallback;
assert(!src_priv->mapped);
if (src_pixmap->devPrivate.ptr == NULL)
/* uninitialised!*/
return;
}
if (alu != GXcopy) {
PixmapPtr tmp;
struct kgem_bo *src_bo;
@ -4936,21 +4952,6 @@ sna_copy_boxes(DrawablePtr src, DrawablePtr dst, GCPtr gc,
DBG(("%s: dst is on the GPU, src is on the CPU, uploading into dst\n",
__FUNCTION__));
if (src_priv) {
/* Fixup the shadow pointer as necessary */
if (src_priv->mapped) {
assert(!src_priv->shm);
src_pixmap->devPrivate.ptr = NULL;
src_priv->mapped = false;
}
if (src_pixmap->devPrivate.ptr == NULL) {
if (!src_priv->ptr) /* uninitialised!*/
return;
src_pixmap->devPrivate.ptr = PTR(src_priv->ptr);
src_pixmap->devKind = src_priv->stride;
}
}
if (!dst_priv->pinned && replaces) {
stride = src_pixmap->devKind;
bits = src_pixmap->devPrivate.ptr;