Created attachment 36206 [details] [review] Fix updated to cairo 1.9.6 cairo_xlib_surface_get_visual for surface created by cairo_xlib_surface_create_with_xrender_format return NULL. Because the surface is created with a xrender_format rather than a visual. Original mozilla bugs: https://bugzilla.mozilla.org/show_bug.cgi?id=445250#c0 https://bugzilla.mozilla.org/show_bug.cgi?id=567065 2 years old request http://marc.info/?l=cairo&m=121625165621988&w=2
commit 55037bfb2454a671332d961e061c712ab5471580 Author: Karl Tomlinson <karlt+@karlt.net> Date: Fri Jun 11 10:35:43 2010 +0100 xlib: Find matching Visual for XRenderFormat Not only is this useful for users to know which Visual matches any particular Cairo surface, it should also close a few obscure bugs of not converting images correctly on upload. Fixes: Bug 28492 - cairo_xlib_surface_create_with_xrender_format does not create visual for resulting surface https://bugs.freedesktop.org/show_bug.cgi?id=28492 Mozilla Bug 567065 - Try to create offscreen Xlib surface from existing visual if possible https://bugzilla.mozilla.org/show_bug.cgi?id=567065 Mozilla Bug 445250 - cairo_draw_with_xlib should provide a non-NULL visual to callback https://bugzilla.mozilla.org/show_bug.cgi?id=445250 Reported-by: Oleg Romashin <romaxa@gmail.com>
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