xcb: Handle fallback in map_to_image

Fixes (for xcb-fallback): map-all-to-image map-bit-to-image map-to-image-fill

Signed-off-by: Uli Schlachter <psychon@znc.in>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/cairo-xcb-surface.c b/src/cairo-xcb-surface.c
index bc23324da..072f3e39c 100644
--- a/src/cairo-xcb-surface.c
+++ b/src/cairo-xcb-surface.c
@@ -655,6 +655,9 @@ _cairo_xcb_surface_map_to_image (void *abstract_surface,
     cairo_xcb_surface_t *surface = abstract_surface;
     cairo_image_surface_t *image;
 
+    if (surface->fallback)
+	return surface->fallback->base.backend->map_to_image (surface->fallback, extents);
+
     image = _get_image (surface, TRUE,
 			extents->x, extents->y,
 			extents->width, extents->height);
@@ -686,6 +689,10 @@ static cairo_int_status_t
 _cairo_xcb_surface_unmap (void *abstract_surface,
 			  cairo_image_surface_t *image)
 {
+    cairo_xcb_surface_t *surface = abstract_surface;
+
+    if (surface->fallback)
+	return surface->fallback->base.backend->unmap_image (surface->fallback, image);
     return _put_image (abstract_surface, image);
 }