Re: [PyOpenGL-Users] No stencil buffer?

[Jordan S. <jso...@MI...>]

Yep, that was it- I wasn't allocating a stencil buffer when I 
initialized GLUT.  Thanks a ton for your help!  I appreciate it.
Thanks,
-Jordan

Dirk Reiners wrote:
>
>     Hi Jordan,
>
> 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?
>
> The stencil buffer needs to be allocated when the window is created, 
> as it takes resources that not all applications need. How do you 
> create the window? If it's GLUT, the glutInitDisplayMode function 
> takes an option that allows you to specify it.
>
> Hope it helps
>
>     Dirk
>
>