| Re: [AD] DirectX fullscreen alt-tab |
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Reset may fail in cases like disconnecting monitor, removing graphic
card (!). In other words: any case where device is becoming
unavailable but not busy. Reset() solve problems like context lost,
display format change.
IIRC Reset should not be called until TestCooperativeLevel does not
return D3DERR_DEVICENOTRESET. If it returns D3DERR_DEVICELOST that
mean, device is still lost and this state may continue for some time.
After TestCooperativeLevel returns D3DERR_DEVICENOTRESET Reset should
be called and if that fails device is no longer usable and new one
have to be created.
On 18 November 2012 13:29, Peter Wang <novalazy@xxxxxxxxxx> wrote:
> On Sun, 18 Nov 2012 10:57:55 +0100, Michał Cichoń <michcic@xxxxxxxxxxxxxxx> wrote:
>> If restore does not work, device must be recreated. IIRC
>
> Btw, I tried using the DirectX debug libraries and increasing verbosity
> to to maximum, but couldn't find anywhere that told me why the Reset
> fails. Where is it supposed to show?
>
> I might try upgrading the DX SDK at some stage (currently Aug 2008)
> but I'd rather not.
>
> Peter
>
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thedmd, Michał Cichoń
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