perform operations on the input and output buffers. In general,
you should avoid using this method if at all possible. One valid
use-case for using this is keeping previous buffers for future calculations.
Note: If @filter exists, then @filter_texture is not run
perform operations on the input and output buffers. In general, you should avoid using this method if at all possible. One valid use-case for using this is keeping previous buffers for future calculations. Note: If @filter exists, then @filter_texture is not run