Plenty of news regarding GPUs and the tech behind them has come out of GDC 2025, and Microsoft has now announced an update to DirectX Raytracing (DXR) at its DirectX State of the Union presentation.

Microsoft has announced DirectX Raytracing 1.2 at the GDC conference with claims of "game changing" performance benefits. But the newly revised API looks an awful lot like it has incorporated some key ...

Microsoft has unveiled DirectX Raytracing 1.2 (DXR 1.2) at GDC 2025, introducing two major innovations designed to address key ray tracing performance bottlenecks: Opacity Micromaps (OMM) and Shader ...

TL;DR: At GDC 2025, Microsoft announced DirectX Raytracing (DXR) 1.2, promising significant performance boosts in ray-traced games through technologies like opacity micromaps and shader execution ...

Back in March at the Game Developers Conference 2025 (GDC 2025), Microsoft unveiled DirectX Raytracing (DXR) 1.2, which introduces Opacity Micromaps (OMM). The Redmond giant has now announced the ...