Re: How to manualy copy managed texture from systemem to real vide


"Igor Kokarev" <IgorKokarev@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:BF133645-EA41-465C-BBB4-2D586024138B@xxxxxxxxxxxxxxxx
> Robert Dunlop,
>
> Thank your for detailed response!
> Yes, we set D3DCREATE_MULTITHREADED flag.
>
> I've tried as you said, but unfortunately with same result.
>
> Flying objects in my 3D scene jerk even if I load only one new texture.
>
> NewTexture->PreLoad
> BeginScene
> ...
> EndScene
>
> (*NewTexture is 1024 x 1024*)
>
> So I can do summary (as all tests show) that PreLoad (copying from SYSMEM
> to
> VRAM) fully STOPS 3D accelerator WHILE it loads a new texture to VRAM.

how many different hw/driver combos have you tested?

>
> I found only one slow way - use small textures instead of one large one,
> and
> load them with Sleep(5) during a some time period.


.

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