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Close| r | The rectangle in 0-1 UV space to invalidate. Anything outside the [ 0...1 [ x [ 0...1 [ rectangle will be silently ignored. |
| mipMap | The miplevel to invalidate. 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 invalidate. Invalid mips are silently ignored. |
Invalidate the data in the specified rectangle causing it to be procedurally re-generated. Any existing data will continue to be used while the new data is being re-generated. Use this method to cause re-generation of data in interactive applications like painting.