DirectX Developer Blog

DX12 performance tuning and debugging – PIX on Windows (beta) released!
DX12 performance tuning and debugging – PIX on Windows (beta) released!
Continued commitment to gaming on Windows 10 With Windows 10, we promised to build an OS designed for PC gaming, with DirectX 12 as one of the cornerstones of the Windows 10 gaming experience. In the 18 months since our release, DirectX 12 has seen very rapid adoption, with nearly 20 AAA games now available with DirectX 12 support. Much of ...
Explicit DirectX 12 MultiGPU, the Affinity Layer helper library, and your game
Explicit DirectX 12 MultiGPU, the Affinity Layer helper library, and your game
Rise of the Tomb Raider is the first DX12 explicit MultiGPU (mGPU) title for CrossFire/SLI machines and it shows some pretty nice gains over DX11 implicit mGPU giving you the best possible gaming experience.  Read more about it on this blog post here. We've had several folks ask us how they can most easily implement the same thing in their ...
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Rise of the Tomb Raider, Explicit DirectX 12 MultiGPU, and a peek into the future
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 ...
Unlocked Frame Rate and More Now Enabled for UWP
Unlocked Frame Rate and More Now Enabled for UWP
What an exciting few months it’s been for Windows 10 Gamers In the last few months, we’ve taken Windows 10 gaming to a new level by partnering with Microsoft Studios to deliver marquee titles such as: Gears of War: Ultimate Edition, Rise of the Tomb Raider, Quantum Break, and Forza Motorsport 6: Apex (Beta), all of which support both ...
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Ashes of the Singularity makes gaming history with DirectX 12
Ashes of the Singularity makes gaming history with DirectX 12
Back in April, we described Multiadapter, a DirectX 12 feature which gives game developers the power to light up every GPU on a user's system.  Prior to this feature, developers had to rely on help from hardware vendors to use multiple GPUs, with the restriction that the GPUs be homogeneous. DirectX 12 removes all such limitations.  In our...
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Windows 10 and DirectX 12 released!
Windows 10 and DirectX 12 released!
My titlepage contents One giant leap for gamers! It’s been less than 18 months since we announced DirectX 12 at GDC 2014.  Since that time, we’ve been working tirelessly with game developers and graphics card vendors to deliver an API that offers more control over graphics hardware than ever before.  When we set out to ...
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Hello World: DirectX 12 developer edition
Hello World: DirectX 12 developer edition
Hello graphics developer pals! We're as excited as a ninja-cat-riding-a-T-Rex to share our work with you all. We’ve been working with some of you already and we're excited to welcome any newcomers! So, let me give you a little tour of where you can find the content you may be looking for. Let’s meet up after the T-Rex, shall we? &...
DirectX 12 Multiadapter: Lighting up dormant silicon and making it work for you
DirectX 12 Multiadapter: Lighting up dormant silicon and making it work for you
Are you one of the millions of PC users with a laptop or a desktop system with an integrated GPU as well as a discrete GPU?  Before Windows 10 and DirectX 12, all the performance potential from the second GPU goes unused.  With DirectX 12 and Windows 10, application developers can use every GPU on the system simultaneously! Are you an elite...
DirectX 12 Rocks in 3DMark’s API Overhead Test
DirectX 12 Rocks in 3DMark’s API Overhead Test
Have you been itching to try DirectX 12 for yourself?  Well today you can, with the release of Futuremark’s 3DMark API Overhead feature test, the first publicly available DirectX 12 application!  The fact that DirectX 12 dramatically improves multithread scaling and CPU performance isn’t a surprise, but the extent of the ...
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