Posted by Sven Gothel on Jan 14, 2014; 9:35pm
URL: https://forum.jogamp.org/Poor-Performance-with-glVertexAttribPointer-tp4031170p4031222.html

On 01/14/2014 08:23 PM, gouessej [via jogamp] wrote:
> Yes this is a possibility, pass the buffer once to glBufferData and call
> glBufferSubData to update the content.

Reason is, glBufferData recreates the GPU memory 'slot' !

~Sven