While WebGL was a thin wrapper over OpenGL, WebGPU is an abstraction that can drive Vulkan, Metal, or DirectX 12 — all popular ways to talk to a GPU, depending on your operating system.
Collabora announced that it is partnering with Microsoft DirectX engineers to build OpenCL and OpenGL mapping layers to bring OpenCL 1.2 and OpenGL 3.3 support to all Windows and DirectX 12 ...