Saturday, 9 July 2011

3D Vision (previously GeForce 3D Vision) is a stereoscopic gaming kit from Nvidia which consists of LC shutter glasses and driver software which enables stereoscopic vision for any Direct3D game, with various degrees of compatibility. There have been many examples of shutter glasses over the past decade, but the NVIDIA 3D Vision gaming kit introduced in 2008 introduced this technology to mainstream consumers and PC gamers.
The kit is compatible with high-end CRT monitors, which typically support display modes up to 1024×768 with 100 Hz refresh rate, and specially designed 120 Hz LCD monitors from ViewSonic, Samsung, and recently Asus, Acer, Alienware, and LG. It requires a graphics card from Nvidia.
 Glasses-
The glasses use wireless IR protocol and can be charged from a USB cable, allowing around 20 hours of continuous use.
The wireless emitter connects to the USB port and interfaces with the underlying driver software. It also contains a VESA Stereo port for connecting supported DLP TV sets, although standalone operation without a PC with installed Nvidia 3D Vision driver is not allowed.
NVIDIA includes one pair of shutter glasses in their 3D Vision kit, SKU 942-10701-0003. Each lens operates at 60Hz, and alternate to create a 120Hz 3-dimensional experience.
This version of 3D Vision supports select 120 Hz monitors, 720p DLP projectors, and passive-polarized displays from Zalman.
Stereo Driver-
The stereo driver software can perform automatic stereoscopic conversion by using the 3D models submitted by the application and rendering two stereoscopic views instead of the standard mono view. The automatic driver works in two modes: fully "automatic" mode, where 3D Vision driver controls screen depth (convergence) and stereo separation, and "explicit" mode, where control over screen depth, separation, and textures is performed by the game developer with the use of proprietary NVAPI.
The quad-buffered mode allows developers to control the rendering, avoiding the automatic mode of the driver and just presenting the rendered stereo picture to left and right frame buffers with associated back buffers.

No comments:

Post a Comment