[cairo] cairo XCB/RENDER support (was: Re: [Xcb] xcb-render-util crashs)

[Julien Danjou]

At 1226943210 time_t, Ian Osgood wrote:
> Yes, as currently designed the call to xcb_render_util_query_version()
> on line 1767 of cairo_xcb_surface.c must be preceded by a check for the
> Render extension.  After that, major = minor = -1 and all the
> CAIRO_SURFACE_RENDER_HAS macros will return false. You would also
> need to comb through the code to make sure there are cairo or
> core X fallbacks for every potential use of Render protocol.
> (cairo was originally designed as a convenience library for
> Render, so that might take some work.)

FWIW, I've opened bug 18588 at b.fd.o with a patch to fix this.
Unfortunately it seems some fallback paths are missing, the stuff drawn
are not really as beautiful as the ones drawn with RENDER available.

Cheers,
-- 
Julien Danjou
// ᐰ <julien at danjou.info>   http://julien.danjou.info
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