glimagesink: add support for Y210 format
Y210 is a 10-bit YUY2, so we may re-use the YUY2 shaders but gl format is set to RG16
Sample pipeline: gst-launch-1.0 videotestsrc ! video/x-raw,format=Y210 ! glimagesink
Y210 is a 10-bit YUY2, so we may re-use the YUY2 shaders but gl format is set to RG16
Sample pipeline: gst-launch-1.0 videotestsrc ! video/x-raw,format=Y210 ! glimagesink