Re: [PyOpenGL-Users] No stencil buffer?

[Lorenzo M. <lma...@de...>]

Jordan Sorensen wrote:
> I've been developing a simple application using PyOpenGL for a few weeks 
> now, and trying to add a feature that requires use of the stencil 
> buffer.  However, the stencil buffer doesn't seem to be working- all 
> pixels pass the test, even when the test is GL_NEVER.  
> glGetInteger(GL_STENCIL_BITS) returns 0, but running glxinfo on my 
> machine shows that my graphics card supports an 8 bit stencil buffer.  
> I'm running Ubuntu and my graphics card is an nVidia GeForce Go 7300.  
> Anyone have any ideas?

IIRC the stencil buffer shares the available bits of the depth buffer; 
thus, the choice is between having a 24 bit depth buffer with no stencil 
buffer and a 16 bit depth buffer with 8 bit stencil buffer.

-- 
Lorenzo Mancini