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authorUli Schlachter <psychon@znc.in>2010-10-12 21:56:46 +0200
committerChris Wilson <chris@chris-wilson.co.uk>2010-10-13 12:29:38 +0100
commit5a0f8f7320c916c86c4fd66a5aa8cb8545c00643 (patch)
tree150ee9d2c501c9a0aad34a81ee39ea31d37201c4
parent35b1688c92d2c0e1353fc2b5e89abb29c2acda8d (diff)
_cairo_xcb_surface_ensure_picture: Check fallback
When an XCB surface's fallback member is not NULL, we did some rendering that the X server couldn't do for us and thus did that internally in cairo instead. This means the X drawable's content is out of date and should not be used for drawing anything. This adds an assert which checks for that situation. Signed-off-by: Uli Schlachter <psychon@znc.in> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
-rw-r--r--src/cairo-xcb-surface-render.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/cairo-xcb-surface-render.c b/src/cairo-xcb-surface-render.c
index 2ce8c9eaa..40682c0f0 100644
--- a/src/cairo-xcb-surface-render.c
+++ b/src/cairo-xcb-surface-render.c
@@ -301,6 +301,7 @@ static void
_cairo_xcb_surface_ensure_picture (cairo_xcb_surface_t *surface)
{
if (surface->picture == XCB_NONE) {
+ assert (surface->fallback == NULL);
surface->picture = _cairo_xcb_connection_get_xid (surface->connection);
_cairo_xcb_connection_render_create_picture (surface->connection,
surface->picture,