Version: 2017.1

Description

Compressed one channel (R) texture format.

BC4 format compresses textures to 4 bits per pixel, keeping only the red color channel. It is widely supported on PC and console platforms.

It is a good format to compress single-channel textures like heightfields or masks. For two channel textures, see BC5.

See Also: Texture2D.format, texture assets.

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