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partha · **Joined:** Mar 14, 2011 **Posts:** 998

Brogun wrote:

Hello, i am using the portable version of 2.7.6 from the Partha website.

I really liked it until i ran into a rather important performance and visual problem.
If i load (or create) a 1024*1024 sided texture in 2.7.6 , then to work on it i zoom by example at 150% , i can draw, etc on it.

But now if i decide to move the texture around (holding my middle mouse button), there are awfull image tearing happening , and i continue to move it around, there's not only ugly tearing but a very bad visual "lag".

On my "official" 2.6.10 , i have absolutely no such problem, there's never any image tearing and never any visual "lag" happening in those conditions.

I tried it both in single window mode or in the "floating panels" mode, but the problem occurs in both.
Is there a solution ? are those problem always happening in the RC1 of 2.8 (that i don't try because i don't want to uninstall my 2.6.10) ?

Hi,

It's a known problem with the underlying architecture (gtk). There is no solution that I am aware of that is completely satisfactory. You will have to wait for Gimp port to gtk 3.0.

Brogun · **Joined:** Apr 29, 2012 **Posts:** 110

Thank you for the answer, so if the devs are sticking on the roadmap, this gtk 3 port will happen only in GIMP 3.0.

I guess i'll stick to my 2.6.10 version until then as i work very often with 1024 sided texture, in the hope there will be more devs joining so it will not take another 4 years like between 2.6 and 2.8.

PhotoComix · **Joined:** Apr 12, 2010 **Posts:** 5870

I believe the problem much more or much less evident depending on the computer (maybe on the graphic card):

I do work often with quite huge textures and i never noticed something alike