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Hello,

On 2010-04-06 14:30, Wojciech Lewandowski wrote:

> That was my impression as well. 3D stereoscopic api seems to be created
> for Direct3D developers to check if  Stereo is running and
> override/modify its parameters. The API is probably used to provide
> native 3D Vision support from a DirectX game. I guess its used by
> recently advertrised S3D aware Unreal.

Not really - the API is intended for tools like the NVIDIA control
panel, allowing you to tweak settings of the driver. It has nothing to
do with stereo as such, it actually predates the 3D Vision glasses by
quite a bit. It is used by the NVIDIA tools.

> I am curiouse if  NVAPI gives access to shutter glasses. If shutter
> control is possible and possible is 120 hz refresh rate through display
> settings, one could try emulate 3D stereo effect by alternate eye view
> rendering. But thats a quite tricky solution either.

No, there are, if I recall correctly, only 3 functions allowing you to
change anything stereo-related: turn stereo on/off, set the eye
separation and set the focal distance (the distance of the eye from the
image plane). That is all.

The rest of the API is not related to 3D at all.

Regards,

Jan
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