Monday, April 23, 2012

April 23rd CIS565 Progress Summary: Speed and Refraction


This post is the third update for the GPU Pathtracer project Peter and I are working on!

Over the past few weeks, the GPU Pathtracer has gained two huge improvements: refraction, and major speed  gains! In just 15 seconds on Peter's NVIDIA GTX530 (on a more powerful card in the lab, we get even better speeds) , we can now get something like this:




Admittedly Peter has been contributing more interesting code than I have, which makes sense since in this project Peter is clearly the veteran rendering expert and I am the newcomer. But, I am learning a lot, and Peter is getting more cool stuff done since I can get other stuff done and out of the way!

The posts for this update are:

1. Performance Optimization: Speed boosts through zero-weight ray elimination
2. Cool Error Render: Fun debug images from getting refraction to work
3. Transmission: Glass spheres!
4: Fast Convergence: Tricks for getting more raw speed

As always, check the posts for details and images!

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