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[WINDOWS] Crash with Low Rendering

http://grimrock.net/forum/viewtopic.php?t=4611

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Re: [WINDOWS] Crash with Low Rendering

Posted: Wed Jan 02, 2013 11:19 pm
by theruler
FlashSoul wrote:I should add that I did install Ubuntu on my system and that Low rendering works fine there.
It should be a Windows issue actually.

Re: [WINDOWS] Crash with Low Rendering

Posted: Thu Jan 03, 2013 3:40 am
by FlashSoul
I just wanted to confirm that the problem isn't the hardware itself as it is able to render correctly on another OS.

Re: [WINDOWS] Crash with Low Rendering

Posted: Thu Jan 24, 2013 10:20 pm
by theruler
Has anyone found a workaround?

Re: [WINDOWS] Crash with Low Rendering

Posted: Thu Jan 24, 2013 11:00 pm
by petri
The low quality render mode requires OpenGL 2.1 or higher and unfortunately it seems that some older graphics cards / drivers do not support it. You can check your OpenGL version with various OpenGL extension viewers. If OpenGL version is lower than 2.1 then turning on low quality mode will crash. I'll try to make it more robust (i.e. not crash) for the next version but unfortunately it's very hard to support OpenGL versions lower than 2.1...

Re: [WINDOWS] Crash with Low Rendering

Posted: Fri Jan 25, 2013 4:18 pm
by badhabit
petri wrote:The low quality render mode requires OpenGL 2.1 or higher and unfortunately it seems that some older graphics cards / drivers do not support it. You can check your OpenGL version with various OpenGL extension viewers. If OpenGL version is lower than 2.1 then turning on low quality mode will crash. I'll try to make it more robust (i.e. not crash) for the next version but unfortunately it's very hard to support OpenGL versions lower than 2.1...
This crash must have at least 2 reasons. Had also crashes in the re-init phase when setting the low-rendering mode with a "actual" AMD HD 5xxx graphic card (non-onboard, up-to date drivers whcih clearly support OpenGL > 2.1).. Was testing it in-game just for curiosity, have enough FPS.

Re: [WINDOWS] Crash with Low Rendering

Posted: Fri Jan 25, 2013 6:20 pm
by theruler
Thanks for the hint petri.

I checked wit GPU Caps viewer and supported opengl version is 2.0.0.

- OpenGL vendor: Intel
- OpenGL renderer: Intel 965/963 Graphics Media Accelerator
- OpenGL Version: 2.0.0 - Build 7.15.10.5076
- GLSL (OpenGL Shading Language) Version: 1.10 - Intel Build 7.15.10.5076

the funny thing is my GPU succesfully complete all OpenGL 2.1 tests BUT "GL 2.1 - Vertex Displacement Mapping" that results in "divide by zero".

Hope it helps. Anyway don't bother, it is a very low priority issue, as long as you have a better pc to play with.
cheers.


full report log:
SpoilerShow
===================================================


===================================[ System / CPU ]
- CPU Name: Intel(R) Core(TM)2 Duo CPU T7100 @ 1.80GHz
- CPU Core Speed: 1795 MHz
- CPU logical cores: 2
- Family: 6 - Model: 15 - Stepping: 13
- Physical Memory Size: 1013 MB
- Operating System: Windows XP 32-bit build 2600 [Service Pack 3]
- PhysX Version: 9100513


===================================[ Graphics Adapters / GPUs ]
- Current Display Mode: 1280x800 @ 60 Hz - 32 bpp

- GPU 1
- Name: Intel GMA X3100
- GPU codename: GMA X3100
- Device ID: 8086-2A02
- Subdevice ID: 1028- 1F9
- Shader cores: 8
- Driver: 6.14.10.5076 (6-12-2009)


===================================[ OpenGL GPU Capabilities ]
- OpenGL vendor: Intel
- OpenGL renderer: Intel 965/963 Graphics Media Accelerator
- OpenGL Version: 2.0.0 - Build 7.15.10.5076
- GLSL (OpenGL Shading Language) Version: 1.10 - Intel Build 7.15.10.5076
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- Pixel Shader Texture Units: 16
- Geometry Shader Texture Units: 0
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- Max Vertex Bindable Uniforms: 0
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- Frame Buffer Objects (FBO) Support:[yes]
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===================================[ Misc. ]


===================================[ Related Graphics Drivers ]
- http://www.geeks3d.com/?page_id=752


===================================[ Related Graphics Cards Reviews ]
- http://www.geeks3d.com/?cat=3

Re: [WINDOWS] Crash with Low Rendering

Posted: Fri Jan 25, 2013 7:04 pm
by FlashSoul
petri wrote:The low quality render mode requires OpenGL 2.1 or higher and unfortunately it seems that some older graphics cards / drivers do not support it. You can check your OpenGL version with various OpenGL extension viewers. If OpenGL version is lower than 2.1 then turning on low quality mode will crash. I'll try to make it more robust (i.e. not crash) for the next version but unfortunately it's very hard to support OpenGL versions lower than 2.1...
Alright. My driver on windows only supports up to OpenGL 1.5 so I guess it could be that.

Re: [WINDOWS] Crash with Low Rendering

Posted: Sat Jan 26, 2013 10:38 am
by badhabit
petri wrote:The low quality render mode requires OpenGL 2.1 or higher and unfortunately it seems that some older graphics cards / drivers do not support it. You can check your OpenGL version with various OpenGL extension viewers. If OpenGL version is lower than 2.1 then turning on low quality mode will crash. I'll try to make it more robust (i.e. not crash) for the next version but unfortunately it's very hard to support OpenGL versions lower than 2.1...
Tried to reproduce my crash: after 4 switches between low and high render mode LoG crashes for my system reproducible.
(no crash report produced)

Save game http://www.xup.in/dl,10660736/savegame40.sav/

(also demonstrate problem with the light source selcetion in low rendering mode, if the group rotates 90° away from the source (torch) the source starts to produce light, facing again the torch and the lightsource wents off)

Re: [WINDOWS] Crash with Low Rendering

Posted: Wed Feb 06, 2013 4:23 pm
by theruler
Patch 1.3.7 solved opengl 2.1 issue on windows for me.
Thanks guys, only few developers care of low spec systems nowadays. You're awesome.

Re: [WINDOWS] Crash with Low Rendering

Posted: Thu Feb 07, 2013 6:41 am
by FlashSoul
Same. Now I can use Low Rendering and it truly is much faster!
(Intel integrated Graphic Chipset, Core 2 Duo generation)
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