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Author Topic: Alt tabbing causes blackscreen/graphics stutter  (Read 4406 times)
FromTheAshes
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« on: March 21, 2013, 02:58:48 pm »

While I am playing, sometimes I need to alt tab for various reasons, but when I return to the game all I get is a black screen and graphics flickering/stuttering in the places that I move my mouse over.  I can tell the game is working in the background, but cannot play it.

I am very technical and computer literate and have tried everything I can think of as well as the solutions to stuttering posted on various forums.  I am using Windows 8, so setting my game to Windows mode and running desktop color in 16 bit is not a viable solution as windows 8 locks you in 32bit color mode.

The game is still completely playable and runs perfectly fine except for when I alt tab.

I am running:
Windows 8
VisionTek 7970
AMD FX8120
ASRock 970DE3 Mobo
8gb AMD black edition Ram clocked at 1600
1000W PSU
H80 CPU Watercooling
Arctic Cooling Accelero Hybrid VGA Cooler
LIan LI ATX A75 Full Tower
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Morden Tral
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« Reply #1 on: March 21, 2013, 03:17:59 pm »

Well until I get a full thread up here with the same information let me copy and paste the reddit thread into here. I would suggest using the beta build of the NoX SDL project Zoa and I are putting some time into. The reason you are getting that error is that when you are alt tabbing NoX is losing its lock on the surface and it is getting corrupted, with the SDL project that won't be an issue, as well as you can run it in borderless windowed mode which means alt tabbing will be painless.


Thread:
http://www.reddit.com/r/Nox/comments/1aa6nf/nox_sdl_insertion/

Direct link to download:
File Download: http://www.noxhub.net/Downloads/NoXloader.zip

It comes in a zip file that just needs its contents to be dropped into your NoX installation directory and then you just run runnox.bat. It uses microsofts Detours library to inject the .DLL into nox and run our code. It ships with a noxSDL.cfg file to configure the new settings, I'm packaging a readme-NoxSDL.txt file with it now to explain using the cfg file.

Original thread on this forum (messy and not concise):
Forum Thread: http://www.noxforum.net/index.php?topic=8677.0

The current largest problem is acceleration not working with both renderers (opengl and directx) on every card so you have to change renderers in the config file or (heaven forbid) run it without acceleration (really ugly resizing).
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Zoa
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« Reply #2 on: March 25, 2013, 09:42:07 pm »

Also, if you want to use normal Nox, I would suggest disabling "Unlocked Texture" (I forget the exact wording) because that was causing my computer to crash horribly I think. I would also suggest running Nox with the "-sleep" command-line option so that it doesn't use 100% CPU.
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"I see it all perfectly; there are two possible situations — one can either do this or that. My honest opinion and my friendly advice is this: do it or do not do it — you will regret both." -- Søren Kierkegaard
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« Reply #3 on: March 26, 2013, 11:31:37 am »

Sleep inserts a Sleep(#) command into the game loop doesn't it? They used to do that a lot on older games.
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