[cairo] glitz causes weird X error

Charles Tuckey ctuckey at verano.com
Wed Oct 13 09:51:53 PDT 2004

[Disclaimer: I am not an X expert either.] However, I have received 
these error messages with the same opcodes some time back. The messages 
are coming from the GLX portion of X. In my case, the problem was that 
glitz was not getting the right window format. Hopefully this gives you 
some hints about where to look for a solution.


Alex Dubov wrote:
> Greetings to everybody.
> I'm trying to develop a small app using qt and cairo.
> First I used a Xlib backend and everything worked
> fine, but slow. Then I moved to glitz (cvs version,
> last changelog date: 2004-10-06). Now the app is much
> faster, however for every cairo_stroke, cairo_fill or
> cairo_show_surface (for
> glitz_glx_surface_create_for_window too) it prints an
> annoying X error:
> X Error: BadMatch (invalid parameter attributes) 8
>   Major opcode:  129
>   Minor opcode:  5
>   Resource id:  0x320001b
> , completely cluttering my terminal.
> Does anyboy knows what is causing this error. My
> understanding of X is somewhat rudimentary, so I'll
> appreciate any help.
> Also: I'd really like to use glitz_gl_begin/end calls,
> but they are not present in the glitz version I've got
> from the CVS. Where can I get their implementation?
> Thank you.
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Charles Tuckey, MSc.
Software Developer
Verano, Inc.

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