Re: strategies for multiple monitors in windowed mode

From: Phil Taylor (ptaylor_at_private-citizen.com)
Date: 11/20/04

  • Next message: akuehn: "Re: Math/Physics Book for Games" 
    Date: Sat, 20 Nov 2004 09:21:03 -0800

    check out the screensaver sample framework in the older DX9 SDKs. it
    correctly handles multimonitor situations.

    yes, its C++ and some translation is involved. but at least its a starting
    point.

    "Steve Lynch" <Steve Lynch@discussions.microsoft.com> wrote in message
    news:A9AEB7EF-E806-4AFC-BB7D-46881327632B@microsoft.com...
    > Andrew,
    >
    > Did you ever figure this out. I have a simliar problem and it seems from
    > the
    > documentation that you can choose to use th eone adapter and have it copy
    > to
    > the other at present time. However, I haven't been able to figure out how
    > to
    > do it as there doesn't seem to be any documation on the subject.
    >
    > Regards
    >
    > Steve Lynch
    >
    > "Andrew Vardeman" wrote:
    >
    >> Hello. I'm a DirectX newbie and don't quite understand the
    >> device/adapter/monitor relationships yet.
    >>
    >> We're writing an app for a known hardware configuration (nVIDIA Quadro
    >> with dual monitors). At any given time, the user may have a number of
    >> windows open with Direct3D content. We want the user to be able to drag
    >> the windows freely from monitor to monitor. I've noticed that if I
    >> create a device for a window on the primary screen and drag the window
    >> to the second screen, I get a severe drop in frame rate. I assume this
    >> is because the rendering is done on the part of the card that drives
    >> monitor 1 and the contents of the back buffer have to be copied to the
    >> video memory of the second monitor. What I'd like to know is:
    >>
    >> What's a good strategy for eliminating this slow-down? Do I create a
    >> device for each monitor and choose which device does the rendering for a
    >> given window based on the window's position? Can I update a device
    >> after creation to associate it with a different adapter (is that the
    >> right word)?
    >>
    >> Thanks,
    >>
    >> Andrew
    >>

  • Next message: akuehn: "Re: Math/Physics Book for Games"

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