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Home Virtual Reality Gaming Meta Releases UE4 Graphics Demo to Show What Quest 2 Can Do...

Meta Releases UE4 Graphics Demo to Show What Quest 2 Can Do with Expert Optimization

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In an effort to help PC VR developers bring their content to Quest 2, Meta has ported Showdown, an old UE4 VR graphics showcase, to the headset as a case study in optimization best practices.

Showdown is a UE4 PC VR demo originally made by Epic Games back in 2014 to show off high-fidelity VR graphics running at 90Hz on a GTX 980 GPU at a 1,080 × 1,200 (1.3MP) per-eye resolution.

Eight years later, you can now run Showdown on Quest 2 at 90Hz on the headset’s Snapdragon XR2 chip at 1,832 × 1,920 (3.5MP) per-eye resolution.

Meta ported the short demo as a case study in optimizing PC VR content to run on Quest 2.

And while the app has been heavily optimized and doesn’t look as good as its PC VR counterpart—decent anti-aliasing, lighting, and high-res textures are missing—it shows that developers don’t have to shy away from lots of objects, particles, and effects just because they’re targeting Quest 2.

The video above looks slightly worse than the experience in the headset itself due to a low-ish bitrate recording and the visibility of fixed foveated rendering (lower resolution in the corners of the image), which is significantly less visible in the headset itself due to blurring of the lens. Here’s Showdown running on PC if you’d like to see a comparison.

It’s not the best-looking thing we’ve seen on Quest 2, but it’s a good reminder that Quest 2’s low-power mobile chip can achieve something akin to PS2 graphics at 90Hz.

Meta’s Zac Drake published a two-part breakdown of the process of profiling the app’s performance with the company’s App Spacewarp tech, and the process of optimizing the app to run at 90Hz on Quest 2.

The GTX 980 GPU (which Showdown originally targeted on PC) is at least six times more powerful than the GPU in Quest 2… so there was a lot of work to do.

While the guide is specific to projects built with UE4, the overall process, as surmised by Drake, applies to optimizing any project to run on the headset:

  1. Get the project building and running on Quest
  2. Disable performance intensive features
  3. Measure baseline performance
  4. Optimize the stripped down project
  5. Optimize individual features as we re-enable them
  6. Re-enable feature
  7. Measure performance impact
  8. Optimize as needed

Although it’s plenty possible to get ambitious PC VR games running on Quest 2, building from the ground up with the headset in mind from the outset is sure to bring better results, as developer Vertical Robot is hoping to prove with its upcoming Red Matter 2.

The post Meta Releases UE4 Graphics Demo to Show What Quest 2 Can Do with Expert Optimization appeared first on Road to VR.

This post appeared first on this site

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