DirectX Developer Blog

Optimizing hybrid laptop performance with Cross Adapter Scan-Out (CASO)

Introduction For an avid gamer, having a robust Graphics Processing Unit (GPU) is non-negotiable for an optimal gaming experience. Hybrid laptops, equipped with both an integrated GPU (iGPU) and a discrete GPU (dGPU), have become a popular choice for many. If you've delved into maximizing your laptop gaming performance, you've undoubtedly ...

Rise of the Tomb Raider, Explicit DirectX 12 MultiGPU, and a peek into the future

Rise of the Tomb Raider is the first title to implement explicit MultiGPU (mGPU) on CrossFire/SLI systems using the DX12 API.  It works on both Win32 and UWP.  Using the low level DX12 API, Rise of the Tomb Raider was able to achieve extremely good CPU efficiency and in doing so, extract more GPU power in a mGPU system than was possible ...

DirectX 12 – Looking back at GDC 2015 and a year of amazing progress

Last year at GDC 2014, we announced DirectX 12.  Since then, we have made amazing progress, and we were excited to showcase this progress at GDC 2015. At the GDC 2015 Expo, we had a range of live demos including Lionhead Studio’s next beautiful game Fable Legends, Epic Games’ Unreal Engine 4, Unity Technologies’ 3D game ...