At the Game Developer Conference in San Francisco, AMD (NASDAQ: AMD) announced an initiative to deliver the best possible VR experience for developers and users through new AMD technologies and partnerships. The first output of AMD’s initiative is LiquidVR, a set of innovative technologies focused on enabling exceptional VR content development for AMD hardware, improved comfort in VR applications by facilitating performance, and plug-and-play compatibility with VR headsets. The upcoming LiquidVR SDK makes a number of technologies available which pomoći address obstacles in content, comfort and compatibility that together take the industry a major step closer to true, life-like presence across all VR games, applications, and experiences.

U virtualnoj stvarnosti pojam prisutnosti opisuje se kao percepcija fizičke prisutnosti u simuliranom, nefizičkom svijetu na način koji u potpunosti uroni korisnika. Ključna prepreka za postizanje prisutnosti je adresiranje kašnjenja kretanja do fotona, vremena između kada korisnik pomiče glavu i kad njegovo oko vidi ažuriranu sliku koja odražava taj novi položaj. Minimiziranje kašnjenja kretanja do fotona presudno je za postizanje prisutnosti i udobnosti, dva ključna elementa velike VR.

Reducing latency involves the entire processing pipeline, from the GPU, to the primjena, prema prikaz technology in the headset. AMD GPU software and hardware subsystems are a major part of improving that latency equation, and with LiquidVR™, AMD is helping to solve the izazov by bringing smooth, liquid-like motion and responsiveness to developers and content creators for life-like presence in VR environments powered by AMD hardware.

“Achieving presence in a virtual world continues to be one of the most important elements to delivering amazing VR, We’re excited to have AMD working with us on their part of the latency equation, introducing support for new features like asinkroni timewarp and late latching, and compatibility improvements that ensure that Oculus’ users have a great experience on AMD hardware.” Brendan Iribe, CEO of Oculus.

“Content, comfort, and compatibility are the cornerstones of our fokus on VR at AMD and we’re taking a big step in all three areas with the introduction of LiquidVR™ today. With LiquidVR we’re collaborating with the ecosystem to unlock solutions to some of the toughest challenges in VR and giving the keys to developers of VR content so that they can bring exceptional new experiences to life, AMD will continue to collaborate closely with the VR ecosystem to deliver new LiquidVR technologies that aim to make the virtual world every bit as accurate as the real world.” Raja Koduri, corporate vice president, Visual Computing, AMD.

Značajne značajke verzije 1.0 LiquidVR SDK uključuju:

  • Async Shaders za glatko praćenje glave omogućujući Hardver ubrzan Time Warp, tehnologiju koja koristi ažurirane informacije o položaju glave korisnika nakon pružanja okvira, a zatim prekriva sliku da odražava novo stajalište neposredno prije nego što ga pošalje u VR slušalice, učinkovito smanjujući kašnjenje između kada korisnik okreće glavu i ono što se pojavljuje na ekranu.
  • Affinity Multi-GPU za skaliranje, tehnologija koja omogućuje višestrukim GPU-ovima da rade zajedno kako bi poboljšali brzinu kadrova u VR aplikacijama dopuštajući im da dodijele rad koji se izvodi na određenim GPU-ima. Svaki GPU pruža točku pogleda s jednog oka, a zatim komponira izlaze u jednu stereo 3D sliku. Ovom tehnologijom multi-GPU konfiguracije postaju idealne za VR performanse visokih performansi, isporučujući visoke brzine kadrova za glatko iskustvo.
  • Najnoviji datum latch for smooth head-tracking, a programming mechanism that helps get head tracking data from the head-mounted display to the GPU as quickly as possible by binding data as blizu to real-time as possible, practically eliminating any API overhead and removing latency.
  • Izravno za prikaz za intuitivno spajanje VR slušalica, to deliver a seamless plug-and-play virtual reality experience from an AMD Radeon™ graphics kartica to a connected VR headset, while enabling features such as booting directly to the display or using extended display features within Windows.
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AMD je danas registriranim programerima objavio alfa verziju LiquidVR SDK 1.0.