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DarkBASIC Discussion / Annoying problem with back-buffer bit depth...

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Xander
22
Years of Service
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Joined: 3rd Mar 2003
Location: In college...yeah!
Posted: 18th Dec 2003 02:38
I am nearing completion of my commercial game, and was going to demonstrate it at school to show how a game is made and how it incorporates Physics, Calculus, and CAD. My game has been run on at least 7 different computers, and they have all worked fine. The operating systems were anywhere from Windows 98 to XP. Processer speeds varied from 300 mhz to 2 ghz. They all had different video cards, from crappy built in (probably 4 mb) up to my 64 mb Geforce 4. Now this is the strange part: my game won't run on the computers in the CAD room. They are brand-new, just bought this year. They have 2.4 ghz Pentium 4's and 32MB Radeon 7500 PCI video cards. When I try to run it, is says the the D3D device does not support the back-buffer bit depth. I translate this to mean that the video card can't handle what Dark Basic is trying to do, but it doesn't make any sense. I installed Direct X 9 on it, but it still won't work.

Did anyone else have this type of problem? Thanks

Xander - Bolt Software

Don't pat yourself on the back too often, you might hurt yourself
Brandon Smith
21
Years of Service
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Joined: 19th Oct 2003
Location: Urbana, Illinois (USA)
Posted: 18th Dec 2003 05:48
Yes I also found that problem when I tried running a project on my moms new computer. I have no idea what caused it though. Downloading direct X 9.0 also didn't help any.
I hope you can figure out what's going on, and sorry I can't help.

Good luck,
Brandon
Jess T
Retired Moderator
21
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Joined: 20th Sep 2003
Location: Over There... Kablam!
Posted: 18th Dec 2003 08:27
Make sure you have the latest of everything, ie, latest version of DB, latest DX version, and especially, the latest video card drivers...

I know that the computers are new, but about 3 different new drivers could have been released since the video card was installed/bought.

Hope I Helped...


Team EOD :: Programmer/Logical Engineer/All-Round Nice Guy
Brandon Smith
21
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Joined: 19th Oct 2003
Location: Urbana, Illinois (USA)
Posted: 18th Dec 2003 19:27
I don't think that's the problem. DarkBASIC runs just fine on my computer and I haven't updated ANYTHING in ages. And if Bolt is trying his game on computers designed for CAD development, I'm sure the problem isn't with the video card driver. And it's not DirectX since we both installed the new version.
You might be right about DB though. It sounds like we are both compiling with DBClassic. Do you think that's the problem? Anything compiled with DBClassic for some reason won't work with some of the newest copmuters?
Xander
22
Years of Service
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Joined: 3rd Mar 2003
Location: In college...yeah!
Posted: 19th Dec 2003 04:37
I thought of the video drivers yesterday, so installed the newest from ATI today. Alas, it didn't work.

It was compiled with DB... But it will not work in Pro, darn.

Xander - Bolt Software

Don't pat yourself on the back too often, you might hurt yourself
Pincho Paxton
22
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Joined: 8th Dec 2002
Location:
Posted: 21st Dec 2003 00:55
Why don't you change the bitmap depth in your game?

Some motherboards don't allow 24bit.

I can use 16bit and 32bit. I did have 24bit working on Windows XP, but then I went back to Windows ME.

Pincho.
Brandon Smith
21
Years of Service
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Joined: 19th Oct 2003
Location: Urbana, Illinois (USA)
Posted: 21st Dec 2003 03:00
Pincho, your a genius.

I bet the problem is that were trying to run it in 16 bit depth. It's possible that that bit depth is obsolete now? Well, obviously I hardly know anything about video cards, so if I'm wrong, sorry.

Brandon

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