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OpenGL crashing examples

 
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IanLambley



Joined: 17 Dec 2006
Posts: 490
Location: Sunderland

PostPosted: Fri Jul 25, 2008 12:37 pm    Post subject: OpenGL crashing examples Reply with quote

I have been tempted by the recent posts on OpenGL to have another go. So, I tried the "animate.for" example and all the others in the opengl demo directory, and they work, but crash if the graphics windows are minimised. Typical error message follows:

Quote:

Runtime error from program:c:\apps\silverfrost\ftn95\demo\opengl\teapots.exe
Floating point divide by zero
Floating point co-processor fault at address 16b140a0


16b140a0 routine at address 16B140A0 [+0000]

0378cc5b opengl_procedure@16#70 [+13ea]

77e3a454 routine at address 77E3A454 [+0000]

77e16b41 routine at address 77E16B41 [+0000]

77e25049 routine at address 77E25049 [+0000]

695331b1 routine at address 695331B1 [+0000]

77e3a454 routine at address 77E3A454 [+0000]

77e14750 routine at address 77E14750 [+0000]


eax=00000000 ebx=10146d24 ecx=03673fc0
edx=00000004 esi=03673fc0 edi=10146d24
ebp=0360de9c esp=0360de8c IOPL=0
ds=0023 es=0023 fs=003b
gs=0000 cs=001b ss=0023
flgs=00010246 [NC EP ZR SN DN NV]

16b140a0 fdivr [16b6c224]
16b140a6 mov [esp+0x8],eax
16b140aa pop esi


In the debugger, it shows that the crash happens in "iglicd32.dll",

Any thoughts?

Regards

Ian
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DanRRight



Joined: 10 Mar 2008
Posts: 2876
Location: South Pole, Antarctica

PostPosted: Fri Jul 25, 2008 12:58 pm    Post subject: Reply with quote

Works like doctors prescribed, minimized or maximized.

Last edited by DanRRight on Fri Jul 25, 2008 1:26 pm; edited 1 time in total
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JohnHorspool



Joined: 26 Sep 2005
Posts: 270
Location: Gloucestershire UK

PostPosted: Fri Jul 25, 2008 1:09 pm    Post subject: Reply with quote

Ian,

No problems either!

Where do you have "iglicd32.dll" ?

I've never heard of it and its not on my system! I think your problem may not be FTN95 but something else in the set up of your OS.

Sorry I can't be of any real help.

cheers
John
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IanLambley



Joined: 17 Dec 2006
Posts: 490
Location: Sunderland

PostPosted: Fri Jul 25, 2008 2:52 pm    Post subject: Reply with quote

Thanks Chaps,

Nothing is working here today. I'll have to try another machine.....pause...

You are right, works perfectly on the computer next to me. I'll have to investigate.

Regards

Ian

The dll is:

OpenGL(R) Driver for Intel(R) Graphics Accelerator version 6.14.10.4421

Probably a bad machine!
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JohnHorspool



Joined: 26 Sep 2005
Posts: 270
Location: Gloucestershire UK

PostPosted: Fri Jul 25, 2008 8:38 pm    Post subject: Reply with quote

Ian,

Unfortunately OpenGL graphics aren't as rock solid stable as GDI graphics (using %gr). I see that DLL is part of the graphics acceleration, as I said in the other thread, if you disabled graphics acceleration does the problem persist? I don't know how %og initiates OpenGL, but talking to C++ programmers they inform that it is possible to interrogate a machine to find available graphics modes and select a non-accelerated mode for OpenGL, which I think would solve these problems. After all isn't acceleration intended primarily for games?
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DanRRight



Joined: 10 Mar 2008
Posts: 2876
Location: South Pole, Antarctica

PostPosted: Fri Jul 25, 2008 10:08 pm    Post subject: Reply with quote

Interesting, what graphics card AMD, NVIDIA, VIA etc and driver is on machine which crash?
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IanLambley



Joined: 17 Dec 2006
Posts: 490
Location: Sunderland

PostPosted: Sun Jul 27, 2008 10:50 am    Post subject: Reply with quote

This computer is locked by the IT dept, and I can't turn off acceleration. I have to say, that the speed of rotation of the block in the animate.for example was far faster on my machine than the chap's machine I tried it on, so I assume the acceleration was doing something.

The machine detais are:

Intel(R) Graphics Media Accelerator Driver Report


Report Date: 07/27/2008
Report Time[hr:mm:ss]: 10:41:41
Driver Version: 6.14.10.4421
Operating System: Windows 2000* Professional, Service Pack 4 (5.0.2195)
Default Language: English
DirectX* Version: 9.0
Physical Memory: 1015 MB
Minimum Graphics Memory: 8 MB
Maximum Graphics Memory: 128 MB
Graphics Memory in Use: 8 MB
Processor: x86
Processor Speed: 2992 MHZ
Vendor ID: 8086
Device ID: 2772
Device Revision: 02

Integ 82945G Express Chipset family, Intel video BIOS

System Information report written at: 27/07/2008 10:48:49
[System Summary]

Item Value
OS Name Microsoft Windows 2000 Professional
Version 5.0.2195 Service Pack 4 Build 2195
OS Manufacturer Microsoft Corporation
System Manufacturer Hewlett-Packard
System Model HP Compaq dc7600 Small Form Factor
System Type X86-based PC
Processor x86 Family 15 Model 4 Stepping 10 GenuineIntel ~2992 Mhz
BIOS Version 05/18/05
Windows Directory C:\WINNT
System Directory C:\WINNT\system32
Boot Device Not Available
Total Physical Memory 1,039,724 KB
Available Physical Memory 419,104 KB
Total Virtual Memory 3,540,176 KB
Available Virtual Memory 2,423,544 KB
Page File Space 2,500,452 KB
Page File C:\pagefile.sys
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DanRRight



Joined: 10 Mar 2008
Posts: 2876
Location: South Pole, Antarctica

PostPosted: Sun Jul 27, 2008 11:27 am    Post subject: Reply with quote

Built in Intel 950 graphics there? If yes, this is worst buggiest graphics
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IanLambley



Joined: 17 Dec 2006
Posts: 490
Location: Sunderland

PostPosted: Sun Jul 27, 2008 1:14 pm    Post subject: Reply with quote

Thanks Dan,

I'm glad I don't own this computer, it is a heap of scrap!

Regards

Ian
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JohnHorspool



Joined: 26 Sep 2005
Posts: 270
Location: Gloucestershire UK

PostPosted: Sun Jul 27, 2008 4:44 pm    Post subject: Reply with quote

I made the mistake of buying a compaq presario laptop some years ago, it will not run FTN95 OpenGL graphics at all ! I know the code is fine and runs perfectly okay on other machines. It doesn't handle GDI graphics too well either! The machine regularly shuts down when it gets too warm. It has a CD writer, which is useless, because before it can finish writing a CD it shuts down to protect the processor from frying itself.
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IanLambley



Joined: 17 Dec 2006
Posts: 490
Location: Sunderland

PostPosted: Mon Jul 28, 2008 12:32 am    Post subject: Reply with quote

It all works fine on my home machine which does not seem to have much in the way of acceleration anyway.

Ian
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