   Stencil buffer. What is this? Glow effect?
  Hi.Looking in samples, I see a lot of effects is done with stencil buffer. What exactly is this and how to use it.I would like to render "glow" around selected object in 3d scene. I read somewhere that this can be done with stencil buffer? Is it true and how?bye ivma  
  See the ''EffectEdit'' program in the DX SDK examples - it covers doing a glow effect....