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287b983d27
commit
b77a34b8b6
@ -346,32 +346,34 @@ GrabStatus DXGI::GrabFrame(FrameInfo & frame)
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if (SUCCEEDED(status))
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break;
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HDESK desktop = NULL;
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switch (status)
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{
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case DXGI_ERROR_ACCESS_LOST: // desktop switch, mode change or switch DWM on or off
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return GRAB_STATUS_REINIT;
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// desktop switch, mode change, switch DWM on or off or Secure Desktop
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case DXGI_ERROR_ACCESS_LOST:
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// see if we can open the desktop, if so request a reinit
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// if not the secure desktop is active so just wait for it
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// instead of aborting out
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desktop = OpenInputDesktop(0, TRUE, GENERIC_READ);
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if (desktop)
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{
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// open suceeded, not on the secure desktop, return to reinit
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CloseDesktop(desktop);
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return GRAB_STATUS_REINIT;
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}
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// fall through
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case WAIT_ABANDONED: // this can happen also during desktop switches, not documented by MS though
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{
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// see if we can open the desktop, if not the secure desktop
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// is active so just wait for it instead of aborting out
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HDESK desktop = NULL;
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while(!desktop)
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// this can happen during desktop switches also, not documented by MS though
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case WAIT_ABANDONED:
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do
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{
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desktop = OpenInputDesktop(0, TRUE, GENERIC_READ);
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if (desktop)
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break;
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Sleep(100);
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}
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} while (!desktop);
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CloseDesktop(desktop);
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if (!ReInitialize())
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{
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DEBUG_ERROR("Failed to ReInitialize after lost access to desktop");
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return GRAB_STATUS_ERROR;
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}
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continue;
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}
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return GRAB_STATUS_REINIT;
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default:
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// unknown failure
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