Expand description
2× box-filter downsample for half-resolution blur. 2× box-filter downsample for half-resolution blur.
Averages each 2×2 block of pixels into one output pixel. Category A composition - pure IR. No Tier 2.5 primitives.
Functions§
- downsample_
2x - Build a Program that 2× downsamples
inputintooutput.