Re: [PyOpenGL-Users] Problem with depth rendering to framebuffer for shadow map

[Utku A. <utk...@gm...>]

Hello Dirk,

You are right, I am using a frame buffer with a texture as depth
attachment. I've used GPU Studio of ATI to copy the actual texture
that includes depth values, here it is:

http://img228.imageshack.us/img228/3865/dc98pstexture0t.png

Z-fighting should take place in the compare phase of SM shader, in the
2nd pass I think, I am not sure what can result such a texture.

On Mon, Dec 20, 2010 at 4:20 PM, Dirk Reiners <dir...@gm...> wrote:
>
>        Hi Utku,
>
> are you sure this is a depth buffer? It looks more like a framebuffer to me, and
> the artifacts look a lot like z-fighting, where you have two polygons at almost
> the same positions.
>
> Just my $.02
>
>        Dirk
>
>
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