But OpenGL is also targeting and benefiting from these advances. Also, since the article is mindboggingly dumb, watch this: http://gdcvault.com/play/1020791/ (It might be that the DX12 announcement the author read was the source of misinformation, but anyway, this submission should have been flagged hours ago.)
Ogl is busy winning some ground but on the level the article is talking about... Slow gains.
EDIT: Rephrased it better.
With valve developing source2, having ported almost all source games, and other AAA titles like Borderlands with first class Linux support, openGL it's very alive in gaming.
With feature parity latest DirectX can be compared only to desktop OpenGL (although OpenGL ES 3.0 is up and coming)
In general, Direct3D is designed to virtualize 3D hardware interfaces. Direct3D frees the game programmer from accommodating the graphics hardware. OpenGL, on the other hand, is designed to be a 3D hardware-accelerated rendering system that may be emulated in software. These two APIs are fundamentally designed under two separate modes of thought.
[1] http://en.wikipedia.org/wiki/Comparison_of_OpenGL_and_Direct...
https://msdn.microsoft.com/en-us/library/windows/desktop/gg6...