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GigaColor/DX9 compliancy?

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  • #1

    GigaColor/DX9 compliancy?

    "Also, DirectX 9.0 expects pixel data in floating point, so GigaColor will also keep this card from being compliant with DX9."

    http://www.slcentral.com/c/h/a/2002/...elia/page5.php
    What does that mean?!? I understand it like "You can't have GigaColor if you wanna be DX9 compliant!"
    Or does it mean just the opposite? My english ain't excellent... (will also keep from being.... I understand every word but not the sentence... )
    "There is no reason for any individual to have a computer in his home."
    Ken Olson, President, Digital Equipment, 1977
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  • #2
    I think they are talking about the lack of alpha channels the Parhelia will have due to the 10-bit color precision (will have a 2-bit alpha channel vs. 8-bit with most other cards). However, they jump to the conclusion too soon. No one is completely sure how they will be using the alpha channel in 3D and games.
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    • #3
      Well you may be right. DX9 might reguire you to have 8-bit alpha channel, even though it's quite silly... I mean, just like you said, no one knows if they are ever needed.
      "There is no reason for any individual to have a computer in his home."
      Ken Olson, President, Digital Equipment, 1977

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      • #4
        Isn't parhelia capable of old-fasioned 8:8:8:8 32bit colour as well as 10bit gigacolour?
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        • #5
          Uhm.... isn't it obvious from the quote? DX9 needs pixel data in floating point format. I assume Parhelia works with integer pixel data, not floating point data. Hence the conclusion that it ain't DX9 compliant.

          Don't shoot if I'm wrong though
          KT7 Turbo Ltd. Ed. ; Athlon XP 1600+ @ 1470 MHz (140*10.5); 512MB Apacer SDRAM ; G400 MAX ; Iiyama VM Pro410

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