You essentially implement ray tracing capabilities inside the G buffer. Have a look at this presentation from GDC for more details and let me know if you have f

You essentially implement ray tracing capabilities inside the G buffer. Have a look at this presentation from GDC for more details and let me know if you have further questions. http://www.gdcvault.com/play/1020688/Practical-Techniques-for-Ray-Tracing http://www.gdcvault.com/play/1020688/Practical-Techniques-fo...