diff options
| -rw-r--r-- | src/cairo-surface-fallback.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/cairo-surface-fallback.c b/src/cairo-surface-fallback.c index 068f06dc..f1453b8a 100644 --- a/src/cairo-surface-fallback.c +++ b/src/cairo-surface-fallback.c @@ -227,17 +227,19 @@ _clip_and_composite_combine (cairo_clip_t *clip, cairo_status_t status; /* We'd be better off here creating a surface identical in format - * to dst, but we have no way of getting that information. - * A CAIRO_CONTENT_CLONE or something might be useful. + * to dst, but we have no way of getting that information. Instead + * we ask the backend to create a similar surface of identical content, + * in the belief that the backend will do something useful - like use + * an identical format. For example, the xlib backend will endeavor to + * use a compatible depth to enable core protocol routines. */ intermediate = - _cairo_surface_create_similar_scratch (dst, - CAIRO_CONTENT_COLOR_ALPHA, + _cairo_surface_create_similar_scratch (dst, dst->content, extents->width, extents->height); if (intermediate == NULL) { intermediate = - _cairo_image_surface_create_with_content (CAIRO_CONTENT_COLOR_ALPHA, + _cairo_image_surface_create_with_content (dst->content, extents->width, extents->width); } |