Firefox and IE both implement WebGL using DirectX too. It's a sad state of affairs when OpenGL drivers are so flaky that it's less trouble to write an elaborate

Firefox and IE both implement WebGL using DirectX too. It's a sad state of affairs when OpenGL drivers are so flaky that it's less trouble to write an elaborate cross-API abstraction layer and shader translator, than to just use OpenGL directly with a nearly 1:1 mapping.