[55401] | 1 | /* $Id: VBoxDispIf.h 98103 2023-01-17 14:15:46Z vboxsync $ */
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[31145] | 2 | /** @file
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| 3 | * VBoxTray - Display Settings Interface abstraction for XPDM & WDDM
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| 4 | */
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| 5 |
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| 6 | /*
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[98103] | 7 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
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[31145] | 8 | *
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[96407] | 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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[31145] | 26 | */
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[69361] | 27 |
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[76563] | 28 | #ifndef GA_INCLUDED_SRC_WINNT_VBoxTray_VBoxDispIf_h
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| 29 | #define GA_INCLUDED_SRC_WINNT_VBoxTray_VBoxDispIf_h
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[76540] | 30 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 31 | # pragma once
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| 32 | #endif
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| 33 |
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[31145] | 34 | #include <iprt/cdefs.h>
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| 35 |
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[32622] | 36 | #ifdef VBOX_WITH_WDDM
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[42154] | 37 | # define D3DKMDT_SPECIAL_MULTIPLATFORM_TOOL
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[92963] | 38 | # include <iprt/win/d3dkmthk.h>
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[68261] | 39 | # include <VBoxDispKmt.h>
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[31145] | 40 | #endif
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| 41 |
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| 42 | #include <VBoxDisplay.h>
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| 43 |
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| 44 | typedef enum
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| 45 | {
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| 46 | VBOXDISPIF_MODE_UNKNOWN = 0,
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| 47 | VBOXDISPIF_MODE_XPDM_NT4 = 1,
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| 48 | VBOXDISPIF_MODE_XPDM
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[32622] | 49 | #ifdef VBOX_WITH_WDDM
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[31145] | 50 | , VBOXDISPIF_MODE_WDDM
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[48070] | 51 | , VBOXDISPIF_MODE_WDDM_W7
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[31145] | 52 | #endif
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| 53 | } VBOXDISPIF_MODE;
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| 54 | /* display driver interface abstraction for XPDM & WDDM
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| 55 | * with WDDM we can not use ExtEscape to communicate with our driver
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| 56 | * because we do not have XPDM display driver any more, i.e. escape requests are handled by cdd
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| 57 | * that knows nothing about us
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| 58 | * NOTE: DispIf makes no checks whether the display driver is actually a VBox driver,
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| 59 | * it just switches between using different backend OS API based on the VBoxDispIfSwitchMode call
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| 60 | * It's caller's responsibility to initiate it to work in the correct mode */
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| 61 | typedef struct VBOXDISPIF
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| 62 | {
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| 63 | VBOXDISPIF_MODE enmMode;
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| 64 | /* with WDDM the approach is to call into WDDM miniport driver via PFND3DKMT API provided by the GDI,
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| 65 | * The PFND3DKMT is supposed to be used by the OpenGL ICD according to MSDN, so this approach is a bit hacky */
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| 66 | union
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| 67 | {
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| 68 | struct
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| 69 | {
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[85121] | 70 | DECLCALLBACKMEMBER_EX(LONG, WINAPI, pfnChangeDisplaySettingsEx,(LPCSTR lpszDeviceName, LPDEVMODE lpDevMode,
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| 71 | HWND hwnd, DWORD dwflags, LPVOID lParam));
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[31145] | 72 | } xpdm;
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[32622] | 73 | #ifdef VBOX_WITH_WDDM
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[31145] | 74 | struct
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| 75 | {
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[95962] | 76 | /** ChangeDisplaySettingsEx does not exist in NT. ResizeDisplayDevice uses the function. */
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[85121] | 77 | DECLCALLBACKMEMBER_EX(LONG, WINAPI, pfnChangeDisplaySettingsEx,(LPCTSTR lpszDeviceName, LPDEVMODE lpDevMode,
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| 78 | HWND hwnd, DWORD dwflags, LPVOID lParam));
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[95962] | 79 | /** EnumDisplayDevices does not exist in NT.*/
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[85121] | 80 | DECLCALLBACKMEMBER_EX(BOOL, WINAPI, pfnEnumDisplayDevices,(IN LPCSTR lpDevice, IN DWORD iDevNum,
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| 81 | OUT PDISPLAY_DEVICEA lpDisplayDevice, IN DWORD dwFlags));
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[34130] | 82 |
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[48070] | 83 | VBOXDISPKMT_CALLBACKS KmtCallbacks;
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[31145] | 84 | } wddm;
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| 85 | #endif
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| 86 | } modeData;
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| 87 | } VBOXDISPIF, *PVBOXDISPIF;
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| 88 | typedef const struct VBOXDISPIF *PCVBOXDISPIF;
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| 89 |
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| 90 | /* initializes the DispIf
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| 91 | * Initially the DispIf is configured to work in XPDM mode
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| 92 | * call VBoxDispIfSwitchMode to switch the mode to WDDM */
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| 93 | DWORD VBoxDispIfInit(PVBOXDISPIF pIf);
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| 94 | DWORD VBoxDispIfSwitchMode(PVBOXDISPIF pIf, VBOXDISPIF_MODE enmMode, VBOXDISPIF_MODE *penmOldMode);
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| 95 | DECLINLINE(VBOXDISPIF_MODE) VBoxDispGetMode(PVBOXDISPIF pIf) { return pIf->enmMode; }
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| 96 | DWORD VBoxDispIfTerm(PVBOXDISPIF pIf);
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| 97 | DWORD VBoxDispIfEscape(PCVBOXDISPIF const pIf, PVBOXDISPIFESCAPE pEscape, int cbData);
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[42232] | 98 | DWORD VBoxDispIfEscapeInOut(PCVBOXDISPIF const pIf, PVBOXDISPIFESCAPE pEscape, int cbData);
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[48070] | 99 | DWORD VBoxDispIfResizeModes(PCVBOXDISPIF const pIf, UINT iChangedMode, BOOL fEnable, BOOL fExtDispSup, DISPLAY_DEVICE *paDisplayDevices, DEVMODE *paDeviceModes, UINT cDevModes);
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[44550] | 100 | DWORD VBoxDispIfCancelPendingResize(PCVBOXDISPIF const pIf);
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[48070] | 101 | DWORD VBoxDispIfResizeStarted(PCVBOXDISPIF const pIf);
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| 102 |
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[72611] | 103 | BOOL VBoxDispIfResizeDisplayWin7(PCVBOXDISPIF const pIf, uint32_t cDispDef, const VMMDevDisplayDef *paDispDef);
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| 104 |
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[48070] | 105 | typedef struct VBOXDISPIF_SEAMLESS
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| 106 | {
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| 107 | PCVBOXDISPIF pIf;
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| 108 |
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| 109 | union
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| 110 | {
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| 111 | #ifdef VBOX_WITH_WDDM
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| 112 | struct
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| 113 | {
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| 114 | VBOXDISPKMT_ADAPTER Adapter;
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[48732] | 115 | # ifdef VBOX_DISPIF_WITH_OPCONTEXT
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[48070] | 116 | VBOXDISPKMT_DEVICE Device;
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| 117 | VBOXDISPKMT_CONTEXT Context;
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[48732] | 118 | # endif
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[48070] | 119 | } wddm;
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| 120 | #endif
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| 121 | } modeData;
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| 122 | } VBOXDISPIF_SEAMLESS;
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| 123 |
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| 124 | DECLINLINE(bool) VBoxDispIfSeamlesIsValid(VBOXDISPIF_SEAMLESS *pSeamless)
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| 125 | {
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| 126 | return !!pSeamless->pIf;
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| 127 | }
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| 128 |
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[57741] | 129 | DWORD VBoxDispIfSeamlessCreate(PCVBOXDISPIF const pIf, VBOXDISPIF_SEAMLESS *pSeamless, HANDLE hEvent);
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| 130 | DWORD VBoxDispIfSeamlessTerm(VBOXDISPIF_SEAMLESS *pSeamless);
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| 131 | DWORD VBoxDispIfSeamlessSubmit(VBOXDISPIF_SEAMLESS *pSeamless, VBOXDISPIFESCAPE *pData, int cbData);
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| 132 |
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[76563] | 133 | #endif /* !GA_INCLUDED_SRC_WINNT_VBoxTray_VBoxDispIf_h */
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[76540] | 134 |
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