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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-08-14 09:46:01 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-08-14 12:37:57 +0100 |
| commit | 47874aaceaa49f7b08adaf57e7accb0723668f71 (patch) | |
| tree | de20d278a3980ad49fc45ffd5df41244620f9f0e /src/cairo-surface-snapshot.c | |
| parent | 161836ab499237d1b1a1c5e0a51af15997a7ea0f (diff) | |
| download | cairo-47874aaceaa49f7b08adaf57e7accb0723668f71.tar.gz | |
snapshot: Assert that we do not generate a snapshot clone
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/cairo-surface-snapshot.c')
| -rw-r--r-- | src/cairo-surface-snapshot.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cairo-surface-snapshot.c b/src/cairo-surface-snapshot.c index adaf7e4c3..c499e0b45 100644 --- a/src/cairo-surface-snapshot.c +++ b/src/cairo-surface-snapshot.c @@ -157,6 +157,7 @@ _cairo_surface_snapshot_copy_on_write (cairo_surface_t *surface) done: status = _cairo_surface_set_error (surface, clone->status); + assert (! _cairo_surface_is_snapshot (clone)); snapshot->target = snapshot->clone = clone; snapshot->base.type = clone->type; } @@ -195,7 +196,7 @@ _cairo_surface_snapshot (cairo_surface_t *surface) if (surface->snapshot_of != NULL) return cairo_surface_reference (surface); - if (surface->backend == &_cairo_surface_snapshot_backend) + if (_cairo_surface_is_snapshot (surface)) return cairo_surface_reference (surface); snapshot = (cairo_surface_snapshot_t *) |