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Guest Anonymous Poster

Graphic Cards with 5-5-5 16bpp Mode ???

8 posts in this topic

I don't get the idea why you would want a 5-5-5 videocard. If you want to write code especially written for a 5-5-5 videocard, then that shouldn't be too hard.

For DirectX you can just use BitMasking to check whether it is a 5-6-5 or a 5-5-5 card.

And also for normal DIB sections this is possible with GetDeviceCaps() and EnumDisplaySettings().

If this is only about checking whether your code really works on a 5-5-5 video card, then I'm afraid I cannot help you.

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Dance with me......

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The code is a custom alpha-blitting routine and it matters which format the video card uses. So I need one of each type so that I can test the code.

John

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Virge's have 555 and 565 modes if I recall. I know my Matrox Millenium 2 had 555 mode as well. As does an old Diamond Stealth something or another I have stuck in a Cyrix 166.

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When I use VESA I can call both 5-5-5 and 6-5-5 videomodes. This is on my S3 virge PCI (4MB). Does DirectX handle this differently?
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I am looking for a graphics card that uses the 5-5-5 format in 16bpp mode.
I have a 5-6-5 card and my code runs perfectly on it but users with a 5-5-5
card have problems. Can anyone suggest a card to me? I just need this card
for testing so ideally I would like it not to be too expensive.

Thanks for your help,
John

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