GPGPU Programming for Games and Science

346 GPGPU Programming for Games and Science

Generally, disk loading is slow, so it might not be possible to run at 60

or 30 frames per second. If you have a solid state drive, you might get the

impression it is. Also, disk caching might give the illusion you are running

fast. But when the video streams are on the order of gigabytes of data, you

will probably notice the drop in frame rate. For live camera capture, as long

as the camera hardware can deliver at 60 or 30 frames per second, the drawing

can easily keep up with that rate and there are no stalls in the application.

However, any extensive image processing that occurs in

OnIdle might take long ...