I'm experiencing a problem with an opengl software and vertical sync on a X4500MHD graphic card:
I'm a developer of a digital signage software and I need to update the display according to the vertical refresh of the monitor to avoid
Pseudo code of the rendering loop:
It seems that the glFinish() doesn't wait for vertical retrace and returns immediately;
in the opengl setup, I call wglSwapIntervalEXT(1) to enable vertical sync, but seems that the call is ignored.
The hardware is a set top box with intel core2 duo processor, GM45 chipset running a windows 7 sp1 32-bit;
the driver version is latest (220.127.116.1169).
On other graphic cards, mainly NVidia, the software works correctly.
Is anyone experiencing the same problem?
Is there any solution?