Sometimes things happen that are unexpected – just ask Ned Stark. In a far less fictional event, Microsoft has posted an update on their DirectX Blog announcing that they’ve brought a form of DirectX 12 to Windows 7, via official support for the latest DX12 version of World of Warcraft on Windows 7. Where do we even begin?

For some background, Microsoft’s latest DirectX API was created to remove some of the CPU bottlenecks for gaming by allowing for developers to use low-level programming conventions to shift some of the pressure points away from the CPU. This was a response to single-threaded CPU performance plateauing, making complex graphical workloads increasingly CPU-bounded. There’s many advantages to using this API over traditional DX11, especially for threading and draw calls. But, Microsoft made the decision long ago to only support DirectX 12 on Windows 10, with its WDDM 2.0 driver stack.

Today’s announcement is a pretty big surprise on a number of levels. If Microsoft had wanted to back-port DX12 to Windows 7, you would have thought they’d have done it before Windows 7 entered its long-term servicing state. As it is, even free security patches for Windows 7 are set to end on January 14, 2020, which is well under a year away, and the company is actively trying to migrate users to Windows 10 to avoid having a huge swath of machines sitting in an unpatched state. In fact, they are about to add a pop-up notification to Windows 7 to let users know that they are running out of support very soon. So adding a big feature like DX12 now not only risks undermining their own efforts to migrate people away from Windows 7, but also adding a new feature well after Windows 7 entered long-term support. It’s just bizarre.

Now before you get too excited, this is currently only enabled for World of Warcraft; and indeed it's not slated to be a general-purpose solution like DX12 on Win10. Instead, Microsoft has stated that they are working with a few other developers to bring their DX12 games/backends to Windows 7 as well. As a consumer it’s great to see them supporting their product ten years after it launched, but with the entire OS being put out to pasture in nine months, it seems like an odd time to be dedicating resources to bringing it new features.

Microsoft does say that DX12 will offer more features on Windows 10, which makes sense since the graphics stack was designed for it right from the start, but if you do play World of Warcraft on Windows 7, you’re going to get a free performance boost. You may still want to look into getting off of Windows 7 soon though, since this isn’t going to move the January 2020 end-of-support date back for gamers.

For Blizzard, the publisher of World of Warcraft, this is a huge win for their developers, since they’ll no longer need to maintain two versions of the game.

Overall, this an unanticipated and rather exceptional event for the state of Windows graphics APIs. And having reached out to one expert for commentary on Microsoft's announcement, they seem to agree:

"This is a big deal" - Ryan Smith, Editor-in-Chief of AnandTech

Perhaps they are also working on Continuum and Windows Store updates for Windows 7 as well. They do have nine months after all.

We've reached out to AMD and NVIDIA for responses on whether there are specific driver versions that are required. NVIDIA has responded letting us know that Windows 7 users will just need the latest Game Ready Driver for this.

Source: Microsoft DirectX Blog

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  • MrCommunistGen - Tuesday, March 12, 2019 - link

    *Checks today's date.*
    Huh... it isn't April Fools Day...

    *Reads article*
    Yeah that's pretty strange. Definitely contradictory signals for migrating people to Win10 before Win7 End of Support. Now they have more reason to stay...
    Reply
  • Another IT Guy - Tuesday, March 12, 2019 - link

    This is a big deal. Reply
  • jimbobjuicemaster - Tuesday, March 12, 2019 - link

    What games are exclusively DX12? Forza. Halo. Gears of War. Not much else... besides Microsoft studio games. Reply
  • haukionkannel - Wednesday, March 13, 2019 - link

    So this is essentially a dx12 emulator to some spesific games? This Sounds so much apprils fools news... maybe it is a leak from that spesific day release... Reply
  • BobSwi - Tuesday, March 12, 2019 - link

    Thanks MS! Reply
  • nathanddrews - Tuesday, March 12, 2019 - link

    Perhaps this is a precursor to them extending the support window. Definitely odd. Reply
  • baka_toroi - Tuesday, March 12, 2019 - link

    There's nothing else (computing wise) I want more to happen than that. Reply
  • mode_13h - Tuesday, March 12, 2019 - link

    > "This is a big deal" - Ryan Smith, Editor-in-Chief of AnandTech

    Lol! Thanks for that!
    :)
    Reply
  • tmnvnbl - Wednesday, March 13, 2019 - link

    Laughed at this too. It seems like they try to include some comments of experts in each post, but only a comment from Ryan seems just a bit ironic. It is funny though. Reply
  • Wardrop - Tuesday, March 12, 2019 - link

    I think this indicates that DX12 on Windows 7 was a relatively trivial thing to implement, and that it was kept off Windows 7 purely to drive Windows 10 adoption. I'm guessing the game studios probably knew this, so with enough pressure (and incentives) from a big enough company like Blizzard, Microsoft said "ok". Just speculation of course. Reply

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