Found a neat shadertoy of the Droste effect. Made a quick OpenCL version for us COP:s
Attachments in this post:
http://fx-td.com/houdiniandchill/wp-content/uploads/discord/20244011/17/24/houdini_Qk7pnra0jX.mp4
http://fx-td.com/houdiniandchill/wp-content/uploads/discord/20244011/17/24/Droste.hipnc