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  • M$ and Nvidiot up to no good?

    just be bored and cruising the dregs in DX7 land came across this
    So is GetBltStatus the best way? That is what I have been recomending.

    -Doug

    P.S. This should apply to Win98 as well.


    -----Original Message-----
    From: Mike Burrows [mailto:mikebur@microsoft.com]
    Sent: Friday, April 07, 2000 12:18 PM
    To: DIRECTXDEV@discuss.microsoft.com
    Subject: Re: Odd D3D performance in Win2K


    The ahem is due to the fact that you will not be able to Lock the
    frontbuffer in DirectX 8.

    Bash the IHVs who are doing this - there is NO need for it. All the
    benchmarks are now fixed to highlight this (or at least the next release
    of them will!)

    <oops> I guess I sent this to the whole list rather than just an NDAd
    person ;-)

    Mike

    -----Original Message-----
    From: Nick Gustafson [mailto:wolfin32@HOTMAIL.COM]
    Sent: Friday, April 07, 2000 12:10 PM
    To: DIRECTXDEV@DISCUSS.MICROSOFT.COM
    Subject: Re: Odd D3D performance in Win2K


    So, while we're *ahem*'ing - I assume you're providing some other way of
    forcing a flush? Or is there a better way atm?

    (or maybe you're going to sneak up behind 3dfx/etc driver writers with a
    big, pointy stick)

    > > Aren't there some cards that don't let you lock the primary (voodoo2)?
    > >
    > > Mal
    >
    >Yup, some drivers may have to fake it (lots of copying, very slow). And it,
    >ahem, may become illegal at some point in the future (hint).
    >
    >Tony Cox - Software Design Engineer
    >Microsoft DirectX Developer Relations Group
    >http://msdn.microsoft.com/directx
    >

    Date: Fri, 7 Apr 2000 13:11:22 -0700
    Reply-To: Developer-only Forum for DirectX programming issues
    <DIRECTXDEV@DISCUSS.MICROSOFT.COM>
    Sender: Developer-only Forum for DirectX programming issues
    <DIRECTXDEV@DISCUSS.MICROSOFT.COM>
    From: Doug Rogers <DRogers@NVIDIA.COM>
    Subject: Re: Odd D3D performance in Win2K
    Content-Type: text/plain; charset="iso-8859-1"
    So is GetBltStatus the best way? That is what I have been recomending.

    -Doug

    P.S. This should apply to Win98 as well.

    geForce3 is the first card that supports D3D8 pixel shading in hardware.

    geForce2 does not support D3D8 pixel shading in hardware and you must use
    the refrast.

    is this garbage or anything interesting



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