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/** @file
* VBoxTray - Display Settings Interface abstraction for XPDM & WDDM
*/
/*
* Copyright (C) 2006-2012 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#include <iprt/cdefs.h>
#ifdef VBOX_WITH_WDDM
# define D3DKMDT_SPECIAL_MULTIPLATFORM_TOOL
# include <d3dkmthk.h>
# include "../Graphics/Video/disp/wddm/VBoxDispKmt.h"
#endif
#include <VBoxDisplay.h>
typedef enum
{
VBOXDISPIF_MODE_UNKNOWN = 0,
VBOXDISPIF_MODE_XPDM_NT4 = 1,
VBOXDISPIF_MODE_XPDM
#ifdef VBOX_WITH_WDDM
, VBOXDISPIF_MODE_WDDM
, VBOXDISPIF_MODE_WDDM_W7
#endif
} VBOXDISPIF_MODE;
/* display driver interface abstraction for XPDM & WDDM
* with WDDM we can not use ExtEscape to communicate with our driver
* because we do not have XPDM display driver any more, i.e. escape requests are handled by cdd
* that knows nothing about us
* NOTE: DispIf makes no checks whether the display driver is actually a VBox driver,
* it just switches between using different backend OS API based on the VBoxDispIfSwitchMode call
* It's caller's responsibility to initiate it to work in the correct mode */
typedef struct VBOXDISPIF
{
VBOXDISPIF_MODE enmMode;
/* with WDDM the approach is to call into WDDM miniport driver via PFND3DKMT API provided by the GDI,
* The PFND3DKMT is supposed to be used by the OpenGL ICD according to MSDN, so this approach is a bit hacky */
union
{
struct
{
LONG (WINAPI * pfnChangeDisplaySettingsEx)(LPCSTR lpszDeviceName, LPDEVMODE lpDevMode, HWND hwnd, DWORD dwflags, LPVOID lParam);
} xpdm;
#ifdef VBOX_WITH_WDDM
struct
{
/* ChangeDisplaySettingsEx does not exist in NT. ResizeDisplayDevice uses the function. */
LONG (WINAPI * pfnChangeDisplaySettingsEx)(LPCTSTR lpszDeviceName, LPDEVMODE lpDevMode, HWND hwnd, DWORD dwflags, LPVOID lParam);
/* EnumDisplayDevices does not exist in NT. isVBoxDisplayDriverActive et al. are using these functions. */
BOOL (WINAPI * pfnEnumDisplayDevices)(IN LPCSTR lpDevice, IN DWORD iDevNum, OUT PDISPLAY_DEVICEA lpDisplayDevice, IN DWORD dwFlags);
VBOXDISPKMT_CALLBACKS KmtCallbacks;
} wddm;
#endif
} modeData;
} VBOXDISPIF, *PVBOXDISPIF;
typedef const struct VBOXDISPIF *PCVBOXDISPIF;
/* initializes the DispIf
* Initially the DispIf is configured to work in XPDM mode
* call VBoxDispIfSwitchMode to switch the mode to WDDM */
DWORD VBoxDispIfInit(PVBOXDISPIF pIf);
DWORD VBoxDispIfSwitchMode(PVBOXDISPIF pIf, VBOXDISPIF_MODE enmMode, VBOXDISPIF_MODE *penmOldMode);
DECLINLINE(VBOXDISPIF_MODE) VBoxDispGetMode(PVBOXDISPIF pIf) { return pIf->enmMode; }
DWORD VBoxDispIfTerm(PVBOXDISPIF pIf);
DWORD VBoxDispIfEscape(PCVBOXDISPIF const pIf, PVBOXDISPIFESCAPE pEscape, int cbData);
DWORD VBoxDispIfEscapeInOut(PCVBOXDISPIF const pIf, PVBOXDISPIFESCAPE pEscape, int cbData);
DWORD VBoxDispIfResizeModes(PCVBOXDISPIF const pIf, UINT iChangedMode, BOOL fEnable, BOOL fExtDispSup, DISPLAY_DEVICE *paDisplayDevices, DEVMODE *paDeviceModes, UINT cDevModes);
DWORD VBoxDispIfCancelPendingResize(PCVBOXDISPIF const pIf);
DWORD VBoxDispIfResizeStarted(PCVBOXDISPIF const pIf);
typedef struct VBOXDISPIF_SEAMLESS
{
PCVBOXDISPIF pIf;
union
{
#ifdef VBOX_WITH_WDDM
struct
{
VBOXDISPKMT_ADAPTER Adapter;
# ifdef VBOX_DISPIF_WITH_OPCONTEXT
VBOXDISPKMT_DEVICE Device;
VBOXDISPKMT_CONTEXT Context;
# endif
} wddm;
#endif
} modeData;
} VBOXDISPIF_SEAMLESS;
DECLINLINE(bool) VBoxDispIfSeamlesIsValid(VBOXDISPIF_SEAMLESS *pSeamless)
{
return !!pSeamless->pIf;
}
DWORD VBoxDispIfSeamlesCreate(PCVBOXDISPIF const pIf, VBOXDISPIF_SEAMLESS *pSeamless, HANDLE hEvent);
DWORD VBoxDispIfSeamlesTerm(VBOXDISPIF_SEAMLESS *pSeamless);
DWORD VBoxDispIfSeamlesSubmit(VBOXDISPIF_SEAMLESS *pSeamless, VBOXDISPIFESCAPE *pData, int cbData);
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