Posted by Sven Gothel on Oct 08, 2019; 1:56pm
URL: https://forum.jogamp.org/canvas-not-filling-frame-tp4040092p4040094.html

On 10/8/19 3:43 PM, Steve Maddock [via jogamp] wrote:
> When using the latest builds for JOGL on Windows 64 (jogl-b1483-1483), I can
> get a Java 13/JOGL program to compile and run (with some warnings about
> illegal reflective access). However, the canvas does not fill the frame - it
> fills the bottom left area of the frame. For the same program, it used to fill
> the frame under Java 8/JOGL2.3.2.
> Any suggestions?
> I can post the program to draw a single '2D' triangle if that helps.

it would help if you could just test with one of the many
unit tests, like com.jogamp.opengl.test.junit.jogl.demos.es2.newt.TestGearsES2NEWT

However, either you wait for the pre-release build
or you build the java11 branch, older versions won't help.

~Sven