Re: [Dri-devel] confused by __GLXvisualConfig

[Brian P. <br...@pr...>]

Chuck Tuffli wrote:
> 
> Brian Paul wrote:
> >
> > First, are you working with the latest DRI CVS sources?  A few weeks
> > ago I changed quite a bit of the GLX visual initialization code in
> > the server.  Before, there were some serious problems with setting
> > up arbitrary visual configs.
> 
> I pulled the trunk (should I have pulled glxmisc-2-0-0-branch?) on
> friday and built a new libGL.so.1.2 (since I'm not using mesa) and X
> server and am seeing the same strangeness. Without modifying i810_dri.c,
> I get 4 config's in __driCreateScreen:
> 
> cfg 36: RGBA[5 6 5 0] dblBuf FALSE stereo FALSE buf 16 depth 16 stencil
> 0 aux 0
> cfg 37: RGBA[5 6 5 0] dblBuf TRUE  stereo FALSE buf 16 depth 16 stencil
> 0 aux 0
> cfg 38: RGBA[5 6 5 0] dblBuf FALSE stereo FALSE buf 16 depth 16 stencil
> 0 aux 0
> cfg 39: RGBA[5 6 5 0] dblBuf TRUE  stereo FALSE buf 16 depth 16 stencil
> 0 aux 0
> 
> If I change 2 lines in i810_dri.c
> 
>       pConfigs[0].depthSize = 0/*16*/;
>       ...
>       pConfigs[2].depthSize = 0/*16*/;
> 
> I get 8 config's in __driCreateScreen:
> 
> cfg 36: RGBA[5 6 5 0] dblBuf FALSE stereo FALSE buf 16 depth 0 stencil 0
> aux 0
> cfg 37: RGBA[5 6 5 0] dblBuf FALSE stereo FALSE buf 16 depth 16 stencil
> 0 aux 0
> cfg 38: RGBA[5 6 5 0] dblBuf TRUE  stereo FALSE buf 16 depth 0 stencil 0
> aux 0
> cfg 39: RGBA[5 6 5 0] dblBuf TRUE  stereo FALSE buf 16 depth 16 stencil
> 0 aux 0
> cfg 40: RGBA[5 6 5 0] dblBuf FALSE stereo FALSE buf 16 depth 0 stencil 0
> aux 0
> cfg 41: RGBA[5 6 5 0] dblBuf FALSE stereo FALSE buf 16 depth 16 stencil
> 0 aux 0
> cfg 42: RGBA[5 6 5 0] dblBuf TRUE  stereo FALSE buf 16 depth 0 stencil 0
> aux 0
> cfg 43: RGBA[5 6 5 0] dblBuf TRUE  stereo FALSE buf 16 depth 16 stencil
> 0 aux 0
> 
> A quick check shows that AllocAndFetchScreenConfigs is getting 8 back
> from the server as well.


I'm setting up an i810 system for myself as I write this.  I'll check it
out later today.

-Brian