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spice: surface switch fast path requires same format too.

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Commit "555e72f spice: rework mirror allocation, add no-resize fast path"
adds a fast path for surface switches which does't go through the full
primary surface destroy and re-recreation in case the new surface is
identical to the old one (page-flip).  It checks the size only though,
but the format must be identical too.  This patch adds the format check.

Commit "0002a51 ui/spice: Support shared surface for most pixman
formats" increases the chance to actually trigger this.

https://bugzilla.redhat.com/show_bug.cgi?id=1247479

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2015-09-18 12:07:18 +02:00
parent 18640989a9
commit b2af43cc37
1 changed files with 2 additions and 1 deletions
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3
ui/spice-display.c
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@ -408,7 +408,8 @@ void qemu_spice_display_switch(SimpleSpiceDisplay *ssd,
if (surface && ssd->surface &&
surface_width(surface) == pixman_image_get_width(ssd->surface) &&
surface_height(surface) == pixman_image_get_height(ssd->surface)) {
surface_height(surface) == pixman_image_get_height(ssd->surface) &&
surface_format(surface) == pixman_image_get_format(ssd->surface)) {
/* no-resize fast path: just swap backing store */
dprint(1, "%s/%d: fast (%dx%d)\n", __func__, ssd->qxl.id,
surface_width(surface), surface_height(surface));