Retrieves a pixel from window to force the windowing system to carry out any pending rendering commands. This function is intended to be used to synchronize with rendering pipelines, to benchmark windowing system rendering operations. Since 2.14
a mapped GdkWindow
See Implementation
Retrieves a pixel from window to force the windowing system to carry out any pending rendering commands. This function is intended to be used to synchronize with rendering pipelines, to benchmark windowing system rendering operations. Since 2.14