Stencil Testing

Similar to Depth Testing but



• Compares current reference value to pixel’s stencil buffer value
• Same comparison functions as depth test:
  • NEVER, ALWAYS
  • LESS, LEQUAL
  • GREATER, GEQUAL
  • EQUAL, NOTEQUAL
• Stencil bit mask controls comparison
  • (( ref & mask ) op ( svalue & mask )

Previous slide

Next slide

Back to first slide

View graphic version