I was happy two weeks ago when Apress put Ray Tracing Gems on Kindle for free. I’m happier still today as they now have also put it on Google Play for free. My tweet – if you RT it will then be an RTRTRT.

What’s a blog entry without an image? A non-waste of bandwidth. So, here’s one from Chapter 26, “Deferred Hybrid Path Tracing,” by Thomas Willberger, Clemens Musterle, and Stephan Bergmann.