| Author | Message | ||
     Anonymous Rating: N/A |
I'm trying to write a simple C++ program to display two offset images to either eye using the I-O Display 3-D shutter glasses. The signal on the Display Data Channel (DDC) line (Pin 12) of the VGA monitor cable governs which eye-display is active at any moment ... the DDC line is a 5V TTL signal switching at or near the vsync frequency (if DDC=+5V, image is displayed to the left eye, if DDC=0V, image is displayed to the right eye). Can anyone point me in the direction of a good learning resource or tutorial on how to access (using C++ code) the DDC TTL signal and use it to trigger the display of alternating images in each eye of my HMD? | ||
| Peter Wimmer Rating: N/A |
A very good question. I once had the same same problem, but found no solution. I guess this problem can only be solved by a kernel driver and requires the graphic chip's datasheet. On NVIDIA cards, the NVIDIA consumer stereo driver together with the stereo blit SDK solves the problem. |
