I think the answer is probably Tamarin[1] which started life as Flash's ActionScript engine and has since been donated to Mozilla. The Flash Player has also had

I think the answer is probably Tamarin[1] which started life as Flash's ActionScript engine and has since been donated to Mozilla. The Flash Player has also had direct GPU support for graphics and video for many years. [1] https://en.wikipedia.org/wiki/Tamarin_%28software%29 https://en.wikipedia.org/wiki/Tamarin_%28software%29