id_Premultiply (Compatible with IFFS 2015.0.0 and up)

Download this shader

Premultiplies or Unpremultiplies the Front input by the Matte input and outputs the result of both.

Matchbox by Bob Maple (bobm-matchbox [at]

Version notes

Older versions that shader

15th of April 2016

  • Added a clamp switch

1th of September 2015

  • Add CommercialUsePermitted flag, fix email

14th of August 2015

  • Adds user-selectable background color to premultiply over or remove

4th of May 2015

  • Updated description
  • id_Premultiply initial version

comments powered by Disqus