bool wxDisplayImplDirectDraw::ChangeMode(const wxVideoMode& mode)
{
wxWindow *winTop = wxTheApp->GetTopWindow();
wxCHECK_MSG( winTop, false, wxT("top level window required for DirectX") );
HRESULT hr = m_pDD2->SetCooperativeLevel
(
GetHwndOf(winTop),
DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN
);
if ( FAILED(hr) )
{
wxLogApiError(wxT("IDirectDraw2::SetCooperativeLevel"), hr);
return false;
}
hr = m_pDD2->SetDisplayMode(mode.w, mode.h, mode.bpp, mode.refresh, 0);
if ( FAILED(hr) )
{
wxLogApiError(wxT("IDirectDraw2::SetDisplayMode"), hr);
return false;
}
return true;
}
BOOL CLoadDirectDraw::IsDirectDrawVersion1()
{
if (m_pDirectDraw == NULL)
return FALSE;
IDirectDraw2 *p = NULL;
HRESULT hr = m_pDirectDraw->QueryInterface(IID_IDirectDraw2, (void **)&p);
if (p)
p->Release();
if (hr == NOERROR) {
DbgLog((LOG_TRACE,3,TEXT("Direct Draw Version 2 or greater")));
return FALSE;
} else {
DbgLog((LOG_TRACE,3,TEXT("Direct Draw Version 1")));
return TRUE;
}
}
wxArrayVideoModes
wxDisplayImplDirectDraw::GetModes(const wxVideoMode& modeMatch) const
{
wxArrayVideoModes modes;
wxDDVideoModesAdder modesAdder(modes, modeMatch);
HRESULT hr = m_pDD2->EnumDisplayModes
(
DDEDM_REFRESHRATES,
NULL, // all modes
&modesAdder, // callback parameter
wxDDEnumModesCallback
);
if ( FAILED(hr) )
{
wxLogApiError(wxT("IDirectDraw::EnumDisplayModes"), hr);
}
return modes;
}
~wxDisplayInfo() { if ( m_pDD2 ) m_pDD2->Release(); }