【Unite 2017 Tokyo】NVIDIA Gameworks アップデートおよびAnselとVRWorksの紹介

NVIDIA Gameworks AnselとVRWorksの紹介 Paulo Silva・パウロ シルバ Developer Technology Engineer, NVIDIA

Outline • Anselの紹介と使い方 • VRWorksの紹介と使い方 • 新規GameWorksプラグイン

Ansel

ANSELとは Game Photography as a new form of art…

ANSEL Number of games with Ansel support is growing!

ANSEL Functionality フリーカメラ Free Camera フィルター Filters EXR・HDR 超高解像度 Super High Resolution 360度画像 360 Degrees Images

ANSEL Super Resolution Example

ANSEL 360 degrees image examples: http://www.geforce.com/whats-new/articles/ansel-revolutionizing-game-screenshots http://www.geforce.com/hardware/technology/ansel/ansel-image-gallery Ansel Viewer https://play.google.com/store/apps/details?id=com.nvidia.vrviewer

• http://www.geforce.com/whats-new/articles/ansel-revolutionizing-game-screenshots
• http://www.geforce.com/hardware/technology/ansel/ansel-image-gallery
• https://play.google.com/store/apps/details?id=com.nvidia.vrviewer

Ansel Demo

ANSEL Unity Plugin For Testing: Rendering engine DX11 Driver version >= 372 “C:\Program Files\NVIDIA Corporation\Ansel\Tools\NvCameraEnable.exe” ➢ ➢ ➢ NvCameraEnable.exe on NvCameraEnable.exe whitelisting-everything Press Alt+F2 during gameplay to enter/exit Ansel mode

VRWorks

VR Works • VR Challenges • Single Pass Stereo • Multi-Res Shading • Lens Matched Shading • VR SLI • How To Use

VR Rendering Challenges • Two Eyes - Two Render Passes • Lens Distortion Wastes Pixels Distorted view

VR Rendering Challenges • Two Eyes - Two Render Passes • Lens Distortion Wastes Pixels Wasted Pixels

VR Rendering Challenges • どうすれば一つのレンダリングパスで両目をレンダリングできるか？ • どうすればレンズディストーションで発生する無駄なピクセル を減らすことができるか？

従来のステレオレンダリング Traditional Stereo Rendering Left Eye (Pass 1) Right Eye (Pass 2)

VR Works Single Pass Stereo Left Eye Right Eye

Distorted rendering RENDER NORMALLY, THEN RESAMPLE TO MATCH THE LENSES Rendered image

Distorted rendering OVER-RENDERING THE OUTSKIRTS Rendered image

Multi-resolution shading SUBDIVIDE THE IMAGE, AND SHRINK THE OUTSKIRTS Not rendered!

Multi-resolution shading FAST VIEWPORT BROADCAST ON NVIDIA MAXWELL AND BEYOND GPUS Viewport 1 Geometry Pipeline Viewport 2 ... Viewport N

‘Distance’ Multi-Res Shading GeForce Performance 20%-54% performance increase (best when pixel bound) FPS Intel i7-5820K @3.3Ghz, Windows 10 64Bit, Max Settings, 1920x1080

Lens Matched Shading RENDERS TO A LENS CORRECTED SURFACE

Lens Matched Shading RENDERS TO A LENS CORRECTED SURFACE Original Image LMS Image

VR SLI Two eyes... two GPUs!

“Normal” SLI GPUS RENDER ALTERNATE FRAMES CPU GPU 0 N N+1 N GPU 1 N+1 Display N Latency N+1

VR SLI EACH GPU RENDERS ONE EYE - LOWER LATENCY CPU N N+1 GPU 0 NL N+1L GPU 1 NR N+1R Display N Latency N+1

Unity integration MAIN POINTS • Native plugin GfxPluginVRWorks32/64.DLL • VRWorks.cs and VRWorksPresent.cs (C# script) • Unity scripting language is used to access features:

Unity integration IMAGE EFFECTS • UV remapping and clamping might be needed • Due to inconsistent pixel density certain artifacts can appear • SSAO and DOF converted to support MRS/LMS, more to come • Include VRWorks.cginc to access necessary API • We are here to help! :)

Unity integration – SSAO Example Before After

New GameWorks Unity Plugin - FLEX

FLEX https://developer.nvidia.com/flex

• https://developer.nvidia.com/flex

FLEX unity plugin FLEX for unity is under development!

Thank you! Questions? [email protected] https://developer.nvidia.com/ansel http://developer.nvidia.com/vrworks https://developer.nvidia.com/flex

• https://developer.nvidia.com/ansel
• http://developer.nvidia.com/vrworks
• https://developer.nvidia.com/flex