STENCIL_OPERATION
- KEEP 1
- ZERO 2
- REPLACE 3
- INCREMENT_CLAMP 4
- DECREMENT_CLAMP 5
- INVERT 6
- INCREMENT_WRAP 7
- DECREMENT_WRAP 8
STENCIL_OPERATION: KEEP(1) ZERO(2) REPLACE(3) INCREMENT_CLAMP(4) DECREMENT_CLAMP(5) INVERT(6) INCREMENT_WRAP(7) DECREMENT_WRAP(8)