#include "wx/msw/missing.h"
#include "wx/msw/private.h"
-// define this to use DirectDraw for display mode switching: this is disabled
-// by default because ddraw.h is now always available and also it's not really
-// clear what are the benefits of using DirectDraw compared to the standard API
-
-#if !defined(wxUSE_DIRECTDRAW)
- #define wxUSE_DIRECTDRAW 0
-#endif
-
#ifndef __WXWINCE__
// Older versions of windef.h don't define HMONITOR. Unfortunately, we
// can't directly test whether HMONITOR is defined or not in windef.h as
#endif
#endif // !__WXWINCE__
-#if wxUSE_DIRECTDRAW
- #include <ddraw.h>
-
- // we don't want to link with ddraw.lib which contains the real
- // IID_IDirectDraw2 definition
- const GUID wxIID_IDirectDraw2 =
- { 0xB3A6F3E0, 0x2B43, 0x11CF, { 0xA2,0xDE,0x00,0xAA,0x00,0xB9,0x33,0x56 } };
-#endif // wxUSE_DIRECTDRAW
-
// display functions are found in different DLLs under WinCE and normal Win32
#ifdef __WXWINCE__
static const wxChar displayDllName[] = wxT("coredll.dll");
DWORD dwFlags,
LPVOID lParam);
-#if wxUSE_DIRECTDRAW
-typedef BOOL (PASCAL *DDEnumExCallback_t)(GUID *pGuid,
- LPTSTR driverDescription,
- LPTSTR driverName,
- LPVOID lpContext,
- HMONITOR hmon);
-
-typedef HRESULT (WINAPI *DirectDrawEnumerateEx_t)(DDEnumExCallback_t lpCallback,
- LPVOID lpContext,
- DWORD dwFlags);
-
-typedef HRESULT (WINAPI *DirectDrawCreate_t)(GUID *lpGUID,
- LPDIRECTDRAW *lplpDD,
- IUnknown *pUnkOuter);
-#endif // wxUSE_DIRECTDRAW
-
typedef BOOL (WINAPI *EnumDisplayMonitors_t)(HDC,LPCRECT,MONITORENUMPROC,LPARAM);
typedef HMONITOR (WINAPI *MonitorFromPoint_t)(POINT,DWORD);
typedef HMONITOR (WINAPI *MonitorFromWindow_t)(HWND,DWORD);
wxDisplayFactoryWin32Base();
// delete all m_displays elements: can be called from the derived class
- // dtor if it is important to do this before destroying it (as in
- // wxDisplayFactoryDirectDraw case), otherwise will be done by our dtor
+ // dtor if it is important to do this before destroying it,
+ // otherwise will be done by our dtor
void Clear();
// find the monitor corresponding to the given handle, return wxNOT_FOUND
LPRECT lprcMonitor,
LPARAM dwData);
-
// add a monitor description to m_displays array
void AddDisplay(HMONITOR hMonitor, LPRECT lprcMonitor);
};
-// ----------------------------------------------------------------------------
-// wxDisplay implementation using DirectDraw
-// ----------------------------------------------------------------------------
-
-#if wxUSE_DIRECTDRAW
-
-struct wxDisplayInfoDirectDraw : wxDisplayInfo
-{
- wxDisplayInfoDirectDraw(const GUID& guid, HMONITOR hmon, LPTSTR name)
- : wxDisplayInfo(hmon),
- m_guid(guid)
- {
- m_pDD2 = NULL;
- m_devName = name;
- }
-
- virtual ~wxDisplayInfoDirectDraw()
- {
- if ( m_pDD2 )
- m_pDD2->Release();
- }
-
-
- // IDirectDraw object used to control this display, may be NULL
- IDirectDraw2 *m_pDD2;
-
- // DirectDraw GUID for this display, only valid when using DirectDraw
- const GUID m_guid;
-
-
- wxDECLARE_NO_COPY_CLASS(wxDisplayInfoDirectDraw);
-};
-
-class wxDisplayImplDirectDraw : public wxDisplayImplWin32Base
-{
-public:
- wxDisplayImplDirectDraw(unsigned n, wxDisplayInfo& info, IDirectDraw2 *pDD2)
- : wxDisplayImplWin32Base(n, info),
- m_pDD2(pDD2)
- {
- m_pDD2->AddRef();
- }
-
- virtual ~wxDisplayImplDirectDraw()
- {
- m_pDD2->Release();
- }
-
- virtual wxArrayVideoModes GetModes(const wxVideoMode& mode) const;
- virtual bool ChangeMode(const wxVideoMode& mode);
-
-private:
- IDirectDraw2 *m_pDD2;
-
- wxDECLARE_NO_COPY_CLASS(wxDisplayImplDirectDraw);
-};
-
-class wxDisplayFactoryDirectDraw : public wxDisplayFactoryWin32Base
-{
-public:
- wxDisplayFactoryDirectDraw();
- virtual ~wxDisplayFactoryDirectDraw();
-
- virtual wxDisplayImpl *CreateDisplay(unsigned n);
-
-private:
- // callback used with DirectDrawEnumerateEx()
- static BOOL WINAPI DDEnumExCallback(GUID *pGuid,
- LPTSTR driverDescription,
- LPTSTR driverName,
- LPVOID lpContext,
- HMONITOR hmon);
-
- // add a monitor description to m_displays array
- void AddDisplay(const GUID& guid, HMONITOR hmon, LPTSTR name);
-
-
- // ddraw.dll
- wxDynamicLibrary m_dllDDraw;
-
- // dynamically resolved DirectDrawCreate()
- DirectDrawCreate_t m_pfnDirectDrawCreate;
-
- wxDECLARE_NO_COPY_CLASS(wxDisplayFactoryDirectDraw);
-};
-
-#endif // wxUSE_DIRECTDRAW
-
// ============================================================================
// common classes implementation
/* static */ wxDisplayFactory *wxDisplay::CreateFactory()
{
- // we have 2 implementations for modern Windows: one using standard Win32
- // and another using DirectDraw, the choice between them is done using a
- // system option
-
-#if wxUSE_DIRECTDRAW
- if ( wxSystemOptions::GetOptionInt(wxT("msw.display.directdraw")) )
- {
- wxDisplayFactoryDirectDraw *factoryDD = new wxDisplayFactoryDirectDraw;
- if ( factoryDD->IsOk() )
- return factoryDD;
-
- delete factoryDD;
- }
-#endif // wxUSE_DIRECTDRAW
-
wxDisplayFactoryMultimon *factoryMM = new wxDisplayFactoryMultimon;
+
if ( factoryMM->IsOk() )
return factoryMM;
delete factoryMM;
-
// finally fall back to a stub implementation if all else failed (Win95?)
return new wxDisplayFactorySingle;
}
+
// ----------------------------------------------------------------------------
// wxDisplayInfo
// ----------------------------------------------------------------------------
if ( !ms_supportsMultimon )
return;
- // look up EnumDisplayMonitors() which we don't need with DirectDraw
- // implementation
+ // look up EnumDisplayMonitors()
EnumDisplayMonitors_t pfnEnumDisplayMonitors;
{
wxDynamicLibrary dllDisplay(displayDllName, wxDL_VERBATIM | wxDL_QUIET);
return false;
}
-
-// ============================================================================
-// DirectDraw-based wxDisplay implementation
-// ============================================================================
-
-#if wxUSE_DIRECTDRAW
-
-// ----------------------------------------------------------------------------
-// wxDisplayFactoryDirectDraw initialization
-// ----------------------------------------------------------------------------
-
-wxDisplayFactoryDirectDraw::wxDisplayFactoryDirectDraw()
-{
- if ( !ms_supportsMultimon )
- return;
-
- m_dllDDraw.Load(wxT("ddraw.dll"), wxDL_VERBATIM | wxDL_QUIET);
-
- if ( !m_dllDDraw.IsLoaded() )
- return;
-
- DirectDrawEnumerateEx_t
- wxDL_INIT_FUNC_AW(pfn, DirectDrawEnumerateEx, m_dllDDraw);
- if ( !pfnDirectDrawEnumerateEx )
- return;
-
- // we can't continue without DirectDrawCreate() later, so resolve it right
- // now and fail the initialization if it's not available
- if ( !wxDL_INIT_FUNC(m_pfn, DirectDrawCreate, m_dllDDraw) )
- return;
-
- if ( (*pfnDirectDrawEnumerateEx)(DDEnumExCallback,
- this,
- DDENUM_ATTACHEDSECONDARYDEVICES) != DD_OK )
- {
- wxLogLastError(wxT("DirectDrawEnumerateEx"));
- }
-}
-
-wxDisplayFactoryDirectDraw::~wxDisplayFactoryDirectDraw()
-{
- // we must clear m_displays now, before m_dllDDraw is unloaded as otherwise
- // calling m_pDD2->Release() later would crash
- Clear();
-}
-
-// ----------------------------------------------------------------------------
-// callbacks for monitor/modes enumeration stuff
-// ----------------------------------------------------------------------------
-
-BOOL WINAPI
-wxDisplayFactoryDirectDraw::DDEnumExCallback(GUID *pGuid,
- LPTSTR WXUNUSED(driverDescription),
- LPTSTR driverName,
- LPVOID lpContext,
- HMONITOR hmon)
-{
- if ( pGuid )
- {
- wxDisplayFactoryDirectDraw * self =
- static_cast<wxDisplayFactoryDirectDraw *>(lpContext);
- self->AddDisplay(*pGuid, hmon, driverName);
- }
- //else: we're called for the primary monitor, skip it
-
- // continue the enumeration
- return TRUE;
-}
-
-// ----------------------------------------------------------------------------
-// wxDisplayFactoryDirectDraw helpers
-// ----------------------------------------------------------------------------
-
-void wxDisplayFactoryDirectDraw::AddDisplay(const GUID& guid,
- HMONITOR hmon,
- LPTSTR name)
-{
- m_displays.Add(new wxDisplayInfoDirectDraw(guid, hmon, name));
-}
-
-// ----------------------------------------------------------------------------
-// wxDisplayFactoryDirectDraw inherited pure virtuals implementation
-// ----------------------------------------------------------------------------
-
-wxDisplayImpl *wxDisplayFactoryDirectDraw::CreateDisplay(unsigned n)
-{
- wxCHECK_MSG( n < m_displays.size(), NULL, wxT("invalid display index") );
-
- wxDisplayInfoDirectDraw *
- info = static_cast<wxDisplayInfoDirectDraw *>(m_displays[n]);
-
- if ( !info->m_pDD2 )
- {
- IDirectDraw *pDD;
- GUID guid(info->m_guid);
- HRESULT hr = (*m_pfnDirectDrawCreate)(&guid, &pDD, NULL);
-
- if ( FAILED(hr) || !pDD )
- {
- // what to do??
- wxLogApiError(wxT("DirectDrawCreate"), hr);
- return NULL;
- }
-
- // we got IDirectDraw, but we need IDirectDraw2
- hr = pDD->QueryInterface(wxIID_IDirectDraw2, (void **)&info->m_pDD2);
- pDD->Release();
-
- if ( FAILED(hr) || !info->m_pDD2 )
- {
- wxLogApiError(wxT("IDirectDraw::QueryInterface(IDD2)"), hr);
- return NULL;
- }
-
- // NB: m_pDD2 will now be only destroyed when m_displays is destroyed
- // which is ok as we don't want to recreate DD objects all the time
- }
- //else: DirectDraw object corresponding to our display already exists
-
- return new wxDisplayImplDirectDraw(n, *info, info->m_pDD2);
-}
-
-// ============================================================================
-// wxDisplayImplDirectDraw
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// video modes enumeration
-// ----------------------------------------------------------------------------
-
-// tiny helper class used to pass information from GetModes() to
-// wxDDEnumModesCallback
-class wxDDVideoModesAdder
-{
-public:
- // our Add() method will add modes matching modeMatch to modes array
- wxDDVideoModesAdder(wxArrayVideoModes& modes, const wxVideoMode& modeMatch)
- : m_modes(modes),
- m_modeMatch(modeMatch)
- {
- }
-
- void Add(const wxVideoMode& mode)
- {
- if ( mode.Matches(m_modeMatch) )
- m_modes.Add(mode);
- }
-
-private:
- wxArrayVideoModes& m_modes;
- const wxVideoMode& m_modeMatch;
-
- wxDECLARE_NO_COPY_CLASS(wxDDVideoModesAdder);
-};
-
-HRESULT WINAPI wxDDEnumModesCallback(LPDDSURFACEDESC lpDDSurfaceDesc,
- LPVOID lpContext)
-{
- // we need at least the mode size
- static const DWORD FLAGS_REQUIRED = DDSD_HEIGHT | DDSD_WIDTH;
- if ( (lpDDSurfaceDesc->dwFlags & FLAGS_REQUIRED) == FLAGS_REQUIRED )
- {
- wxDDVideoModesAdder * const vmodes =
- static_cast<wxDDVideoModesAdder *>(lpContext);
-
- vmodes->Add(wxVideoMode(lpDDSurfaceDesc->dwWidth,
- lpDDSurfaceDesc->dwHeight,
- lpDDSurfaceDesc->ddpfPixelFormat.dwRGBBitCount,
- lpDDSurfaceDesc->dwRefreshRate));
- }
-
- // continue the enumeration
- return DDENUMRET_OK;
-}
-
-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;
-}
-
-// ----------------------------------------------------------------------------
-// video mode switching
-// ----------------------------------------------------------------------------
-
-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;
-}
-
-#endif // wxUSE_DIRECTDRAW
-
#endif // wxUSE_DISPLAY
projects / wxWidgets.git / commitdiff
