depth « buffer « C Q&A

1. Change depth buffer limits for pretransformed mesh in DirectX 9.0c    stackoverflow.com

I'm writing small application that recieves pretransformed vertices and display them on screen. FVF for vertice is defined as (and I can't change it)

#define MY_FVF D3DFVF_XYZRHW | D3DFVF_DIFFUSE | D3DFVF_SPECULAR | D3DFVF_TEX1

2. How to access depth buffer in pixel shader in DirectX 9.0 c    stackoverflow.com

Is it possible to access depth buffer via pixel shader 2.0 in DX 9.0c? I've google'd a bit and the only solution I've found describe GPU hack that works only on ...

3. why we disable writing in color and depth buffer before stencil test and enable it after stencil test in reflection?    codeproject.com

Imagine a sitting cube on a mirrored surface. If depth test was enabled, when we draw the reflection, we'd see nothing - because the geometry of the reflection is BELOW the mirrored surface! We fake a reflection by re-drawing the geometry, but the reflection is an image on a surface - which is always above the geometry (imagine looking in a ...