sending shutter-signal to COM, PAR or USB
Hi!

How about routing the shutter-signal, generated by the NV-stereo-3D-driver, to COM, PAR or USB-Port instead of the DDC-Data Pin of the VGA/DVI-Port?

Are there any informations, how the driver sends the signal to the graphics adapter? And does it really create the shutter-signal itself, or does it only send the command to activate some kind of internal signal-routing on the graphics adapter (v-sync -> x -> DDC-Data).

If we could grab the signal, it would be possible to write a little program which will send it out of the COM or PAR-port and even delay the signal if the display delays its signal too (e. g. projectors).

The idea of using an alternate port for the shutter-signal was born after realizing that cutting the DDC-Data pin between graphics adapter and projector may cause windows not to recognize the display anymore and with the DDC-Data connected there's some kind of "flashing" in the shutter-glasses in some games because of the communication between the graphics adapter and the display.
Hi!



How about routing the shutter-signal, generated by the NV-stereo-3D-driver, to COM, PAR or USB-Port instead of the DDC-Data Pin of the VGA/DVI-Port?



Are there any informations, how the driver sends the signal to the graphics adapter? And does it really create the shutter-signal itself, or does it only send the command to activate some kind of internal signal-routing on the graphics adapter (v-sync -> x -> DDC-Data).



If we could grab the signal, it would be possible to write a little program which will send it out of the COM or PAR-port and even delay the signal if the display delays its signal too (e. g. projectors).



The idea of using an alternate port for the shutter-signal was born after realizing that cutting the DDC-Data pin between graphics adapter and projector may cause windows not to recognize the display anymore and with the DDC-Data connected there's some kind of "flashing" in the shutter-glasses in some games because of the communication between the graphics adapter and the display.

#1
Posted 04/01/2007 11:37 AM   
May be you fins something intresting in that book [url="http://www.stereographics.com/x_downloads/guides/hdk.pdf"]http://www.stereographics.com/x_downloads/guides/hdk.pdf[/url]
May be you fins something intresting in that book http://www.stereographics.com/x_downloads/guides/hdk.pdf

#2
Posted 04/04/2007 06:16 AM   
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