Posted by gouessej on May 02, 2020; 11:14am
URL: https://forum.jogamp.org/glClear-issue-tp4040576p4040578.html

Hello

You should call https://jogamp.org/deployment/jogamp-next/javadoc/jogl/javadoc/com/jogamp/opengl/GLAutoDrawable.html#setAutoSwapBufferMode(boolean), pass "false".