Implement materials and lights.

Bug 22124687

Change-Id: Ic8a458962e370f372c2e97052c9c86f9b5c6dede
Reviewed-on: https://swiftshader-review.googlesource.com/3511
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
3 files changed