Processor: Intel(R) Core i7-3630QM CPU @ 2.40GHz
RAM: 8x2 GB DDR3 1600Mhz
OS: Windows 10 Pro x64
running time: less than 1 second, release, 8 threads
Rendered Result
z buffer
Some problem: I mis type the formula and got a wrong reflectino direction.
Left is reference image, right is mine
