On 3. Dec 2008, at 18:13, [EMAIL PROTECTED] wrote:
> Whether this comments only limited to Equalizer ?
>
> If I begin from C/C++/OpenGL scratch, whether this comment applies?
> "This depends on your operating system", what does it mean ? Does it
> mean that it only works under some specific OS ?
>
> I prefer to work under Windows Vista, but I can consider Linus if
> Windows is not allowed.
>
I have not personally tested Windows Vista yet. Equalizer is known to
work on Windows XP & XP64, Linux and Mac OS X.
How multiple GPU's and monitors are handled is unfortunately different
on all operation systems.
> I noticed that WGL_NV_gpu_affinity and the data structure;
>
> struct _GPU_DEVICE {
>
> DWORD cb;
>
> CHAR DeviceName[32];
>
> CHAR DeviceString[128];
>
> DWORD Flags;
>
> RECT rcVirtualScreen;
>
> }GPU_DEVICE
>
> First, whether "NV" in "WGL_NV_gpu_affinity" just mean GPU from
> NVIDIA ?
>
> how about if I choose a card from ATI?
>
If you have multiple GPU's on Windows, GL commands are sent to all
GPU's. This extension is used to restrict the GL stream to only one
GPU, but it is only available on nVidia Quadro cards.
Since you only have one GPU, that doesn't matter to you.
You can still place you windows and channels so that they appear on
the correct monitor, simply set up a window with the full viewport,
e.g. viewport [ 0 0 2560 1024], and within the window two channels
with viewport [ 0 0 1280 1024 ] and viewport [ 1280 0 1280 1024].
> Third, the Equalizer is claimed to support cluster computer. But
> what kind of cluster it requires.
>
> If I just connect some PCs via Gigbit Ethernet, does it mean I have
> a cluster alreay ?
>
Yes.
Cheers,
Stefan.
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