<AWT Dev> <AWT dev>[9] Review request for 8022810: Cannot list all the available display modes on Ubuntu linux in case of two screen devices

Sergey Bylokhov Sergey.Bylokhov at oracle.com
Tue May 31 13:53:24 UTC 2016

On 31.05.16 0:21, Semyon Sadetsky wrote:
> setDisplayMode() has been working if Xinerama is off. When Xinerama is
> on it could not set some modes for the screen 0 if there were
> incompatible modes from other screens in the list, and for all other
> screens there were no modes.

I am talking about Xinerama mode only, since it is affected by the fix. 
I am not sure I am understand what you mean above. In java we have 
separate list of GraphicsDevices. Each GraphicsDevice have its own list 
of modes(which returned from getDisplayModes()) all these modes should 
be supported by this GraphicsDevice, so GraphicsDevice.setDisplayMode() 
should not throw an exception or should not ignore these modes.

 From the bug description I see that currently in case of xinerama we 
return only current mode as supported mode, so setDisplayMode() is noop. 
But after the fix the list of supported modes changed and my question 
was: what happens when these modes will be passed to setDisplayMode() 
(of course modes and setDisplayMode should be from one GraphicsDevice 

Best regards, Sergey.

More information about the awt-dev mailing list