On Sun, Apr 7, 2013 at 7:16 PM, Simon Legrand <legrand.simon@gmail.com> wrote:
Hey, do you think it may be also what was affecting us at dneg when trying to open multilayer exr files? The slow-downs sound like the same symptom as us. (I'll provide and example file when I get back to work on monday).

Most probably, yes. There is at least one color space conversion when displaying the exr, which is affected.  Although it might be not that severe, because openGL calls it a bit less frequent.

--
Dmitry Kazakov