Fix tabs and trailing whitespace. Expand comment to explain how we search for GL extensions. Rename and document the DEBUG_RENDER_OFFSCREEN_ONSCREEN variable. Also make it final static because its value never changes.
Fix tabs and trailing whitespace. Expand comment to explain how we search for GL extensions. Rename and document the DEBUG_RENDER_OFFSCREEN_ONSCREEN variable. Also make it final static because its value never changes.