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Re: [Closed REQ 6154]: Geomview core ... :(


  • To: software@geom.umn.edu
  • Subject: Re: [Closed REQ 6154]: Geomview core ... :(
  • From: daemon
  • Date: Fri, 28 Mar 1997 18:35:50 -0600 (CST)

I've seen geomview+Mesa dump core in the Mesa internal find_glx_visual()
procedure when the application asks for more Z-buffer bits than
Mesa was compiled with.  This seems to be a bug in Mesa (it might fail,
but shouldn't dump core).

Geomview, as distributed, asks for a 23-bit-deep Z-buffer.  This works
well with Mesa 1.x, like the Mesa 1.2.8 we compiled our binaries with;
but Mesa 2.x seems to offer only 16-bit-deep Z.  It's probably easiest to
change geomview to accommodate Mesa; look at
  Geomview/src/bin/geomview/x11/gvcamui.c
near line 250, which reads:

    GLX_RGBA, GLX_DEPTH_SIZE, 23,

change that to read

    GLX_RGBA, GLX_DEPTH_SIZE, 16,


and compile geomview again.  Please let me know if this doesn't work.

  Stuart Levy, Geometry Center


 
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