Hi John, On Mon, Feb 29, 2016 at 09:16:03AM +0200, John Found wrote:
Hi, dillo developers!
I observed another nasty bug in Dillo dev-3.1
Maybe it is known. If so, excuse my ignorance. :)
When the option buffered_drawing=2 for double buffering and the browser window is resized by the user, it seems that the back buffer is drawn on the screen too early after the reallocation and is full of garbage instead of the rendered page.
This way, during the resizing, very heavy flicker appears, which IMHO is not good for double buffering drawing scheme.
with buffered_drawing=2 dillo uses the Fl_Double_Window class from FLTK, so the result should be similar to e.g. the test/fonts program from FLTK. Do you have it available and can test how that program feels when resizing on your system? In my setup I only get some light flickering at the scroll bars with buffered_drawing=2. Whereas I see heavy flickering with buffered_drawing=0. Do you see any difference between buffered_drawing=0 and buffered_drawing=2? Cheers, Johannes