Re: [Mesa3d-users] glXCreatePixmap() fails in swrast DRI

[Brian P. <bri...@tu...>]

조성원 wrote:
> Hi.
> 
>  
> 
> I compiled Mesa-7.2 using swrast DRI on X11R7.4.
> 
>  
> 
> Almost Mesa-demo apps(e.g : glxgear) works well but glxgears_pixmap 
> didn't work well.
> 
>  
> 
> I debuged glxgear_pixmap and Mesa-7.2 source code.
> 
>  
> 
> And I found which function is failed.
> 
>  
> 
> Inside of glxgear_pixmap source code, make_window() calls 
> glXCreatePixmap() but glXCreatePixmap returns NULL.
> 
>  
> 
> I traced glXCreatePixmap() and found that driCreateDrawable() in 
> drisw_glx.c makes problem.
> 
>  
> 
> driCreateDrawable() checks 2nd arg xDrawable and 3th arg drawable is 
> same or not.
> 
>  
> 
> ---------------------------------------
> 
>     if (xDrawable != drawable)
> 
>     return NULL;
> 
> ---------------------------------------
> 
>  
> 
> Because xDrawable and drawable is different driCreateDrawable() return NULL.
> 
>  
> 
> glXCreatePixmap() is not supported in swrast DRI? or Mesa didn't support 
> glXCreatePixmap() ?
> 
>  
> 
> Actually I also failed run glxgear_pixmap in R200 DRI(ubuntu 8.10 linuxbox).
> 
>  
> 
> Can anybody help me please?

I'm not sure that GLXPixmaps ever worked.  Nowadays, pbuffers and
Framebuffer Objects are the preferred way to go.

-Brian