no GPU drivers do not support webGL natively.. Although gecko use Angle from google, 3D rendering is a multifactorial problems that can be optimized from many a

no GPU drivers do not support webGL natively.. Although gecko use Angle from google, 3D rendering is a multifactorial problems that can be optimized from many aspects of a web browser (display lists vs immediate rendering, various caching systems, direct compositing, a lot of low level optimizations, reducing memcpys, etc)