Version: 2021.2
public void EvictRegion (Rect r, int mipMap, int numMips);

参数

r The rectangle in 0-1 UV space to evict. Anything outside the [ 0...1 [ x [ 0...1 [ rectangle will be silently ignored.
mipMap The miplevel to evict. Mips are numbered from 0 (= full resolution) to n (= lowest resolution) where n is the mipmap level what is a single tile in size. Invalid mips are silently ignored.
numMips The number of miplevels starting from 'mipMap' to evict. Invalid mips are silently ignored.

描述

Evict the data in the specified rectangle causing it to be procedurally re-generated. The data will become unavailable immediately causing lower resolution fallback textures to be used in the mean time. Use this method to immediately free up memory for other VT tiles when data will not be needed in the near future.