2014-07-17 Screenshots of Direct Lighting and Indirect Lighting GI "Ray Tracing vs. Point-based GI for Animated Films" (Tabellion) SIGGRAPH2010 http://cgg.mff.cuni.cz/~jaroslav/gicourse2010/ "Practical Real-Time Voxel-Based Global Illumination For Current GPUs" GTC 2014 http://on-demand.gputechconf.com/gtc/2014/presentations/S4552-rt-voxel-based-global-illumination-gpus.pdf