- ray casting
- Appel, A. (1968, April). Some techniques for shading machine renderings of solids. In Proceedings of the April 30--May 2, 1968, spring joint computer conference (pp. 37-45). ACM. (ncsu)
- Marshner & Shirley. (2016). Chapter 4.1-4.4, Ray tracing. Fundamentals of Computer Graphics, AK Peters. (ncsu)
- ray tracing
- recommended
- Turner Whitted. 1980. An improved illumination model for shaded display. Commun. ACM 23, 6 (June 1980), 343-349. ACM. (ncsu)
- Shirley, P. (2016). Chapters 1-5, Ray tracing in one weekend. (Just the first: $2.99 at amazon, free with Kindle Unlimited, or for the moment free online)
- Marshner & Shirley. (2016). Chapter 4.5-4.9, Ray tracing. Fundamentals of Computer Graphics, AK Peters. (ncsu)
- optional
- Sweeney. (2009). The end of the GPU roadmap. Keynote at ACM High Performance Graphics. (slides)