Re: Problem with shadow render opengl

[James W. <ja...@fr...>]

Daniele Cavallini wrote:
> I tried to set stencil bits at 0,8,32 value.
> If I create a  drawcontext from video:
> 
> TQ3Win32DCDrawContextData myWin32DrawContextData;
> CClientDC DC(theWindow);
> HDC hwin= (HDC) DC;
> myWin32DrawContextData.hdc = hwin; 
> myDrawContext=Q3Win32DCDrawContext_New(&myWin32DrawContextData) ;
> Shadows are nicely visible.
> It is not necessary set stencil bits.

True, there is a function AdjustStencilAndDepthForShadows that will set 
stencil bits for you if you try to render shadows.

> So I think it is not a problem caused from videocard.

That does not follow.  If your video card lacks the FBO extension, then 
you will not be able to do hardware-accelerated offscreen rendering.

-- 
   James W. Walker, Innoventive Software LLC
   <http://www.frameforge3d.com/>