Speaking to bit-tech for a forthcoming Custom PC feature about the future of OpenGL in PC gaming, Carmack said 'I actually think that Direct3D is a rather better API today.' ...

Direct3D 11 mandated support for complex programmable tessellation and compute shader integration. Although Khronos' OpenCL specification provides a general API for GPGPU programming, this didn't ...

Wine 3.0, by contrast, brings official support for both Direct 3D 10 and Direct3D 11 - the latter only one version short of Microsoft's Windows 10-exclusive Direct3D 12, the current release.

Valve releases open source Direct3D to OpenGL translator It should aid porting Windows games to other platforms, but it won't be revolutionary.