[Xcb] xcb_create_colormap, how to use?

[Uli Schlachter]

Hi,

> Is there any way I can update the page on the website with this working
> code?

It's all in a git repository: https://cgit.freedesktop.org/wiki/xcb/

Patches can be sent to this mailing list.

Thanks for caring,
Uli

> On Wed, Jun 6, 2018 at 11:03 AM, Uli Schlachter <psychon at znc.in> wrote:
> 
>> Hi,
>>
>> On 05.06.2018 02:07, Thomas Fischer wrote:
>>> I've been trying to compile the code from
>>> https://xcb.freedesktop.org/opengl/
>>> tl;dr: The code used Xlib to interact with glx, but uses xcb to handle X
>>> events.
>>>
>>> It seems to not run because of something happening in
>> xcb_create_colormap,
>>>
>>> I changed the code to use create_colormap_checked, and printed out the
>>> error structure, this was the response, if it's useful:
>>> =============ERROR=============
>>> Could not create the colormap
>>>         error->response_type: 0
>>>         error->error_code: 8
>>>         error->sequence: 31
>>>         error->resource_id: 0
>>>         error->minor_code: 0
>>>         error->major_code: 78
>>>         error->full_sequence: 31
>>> ===============================
>>
>> Error 8 is XCB_MATCH / BadMatch.
>>
>> According to [1], CreateColormap produces a Match error if the visual is
>> not supported by the screen. That's all that I can say, sorry. I know
>> basically nothing about GLX. (Well, you could print out the value of
>> visualID and look it up in the output of /usr/bin/xdpyinfo)
>>
>> Cheers,
>> Uli
>>
>> [1]: https://www.x.org/releases/X11R7.5/doc/x11proto/proto.html
>> --
>> Homophobia - The fear that another man will treat you the way you treat
>> women.
>>
> 


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