DisplayImpl.h@ 96861

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1	/* $Id: DisplayImpl.h 96407 2022-08-22 17:43:14Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2022 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28	#ifndef MAIN_INCLUDED_DisplayImpl_h
29	#define MAIN_INCLUDED_DisplayImpl_h
30	#ifndef RT_WITHOUT_PRAGMA_ONCE
31	# pragma once
32	#endif
33
34	#include "SchemaDefs.h"
35
36	#include <iprt/semaphore.h>
37	#include <VBox/vmm/pdmdrv.h>
38	#include <VBoxVideo.h>
39	#include <VBox/vmm/pdmifs.h>
40	#include <VBox/VMMDev.h> /* For struct VMMDevDisplayDef - why is it in that file? */
41	#include "DisplayWrap.h"
42
43	#include "DisplaySourceBitmapWrap.h"
44	#include "GuestScreenInfoWrap.h"
45
46
47	class Console;
48
49	typedef struct _DISPLAYFBINFO
50	{
51	/* The following 3 fields (u32Offset, u32MaxFramebufferSize and u32InformationSize)
52	* are not used by the current HGSMI. They are needed for backward compatibility with
53	* pre-HGSMI additions.
54	*/
55	uint32_t u32Offset;
56	uint32_t u32MaxFramebufferSize;
57	uint32_t u32InformationSize;
58
59	ComPtr<IFramebuffer> pFramebuffer;
60	com::Guid framebufferId;
61	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
62	bool fDisabled;
63
64	uint32_t u32Caps;
65
66	struct
67	{
68	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
69	uint8_t *pu8Address;
70	uint32_t cbLine;
71	} updateImage;
72
73	LONG xOrigin;
74	LONG yOrigin;
75
76	ULONG w;
77	ULONG h;
78
79	uint16_t u16BitsPerPixel;
80	uint8_t *pu8FramebufferVRAM;
81	uint32_t u32LineSize;
82
83	uint16_t flags;
84
85	VBOXVIDEOINFOHOSTEVENTS *pHostEvents;
86
87	/** The framebuffer has default format and must be updates immediately. */
88	bool fDefaultFormat;
89
90	#ifdef VBOX_WITH_HGSMI
91	bool fVBVAEnabled;
92	bool fVBVAForceResize;
93	VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pVBVAHostFlags;
94	#endif /* VBOX_WITH_HGSMI */
95
96	#ifdef VBOX_WITH_RECORDING
97	struct
98	{
99	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
100	} Recording;
101	#endif /* VBOX_WITH_RECORDING */
102
103	/** Description of the currently plugged monitor with preferred mode,
104	* a.k.a the last mode hint sent. */
105	struct VMMDevDisplayDef monitorDesc;
106	} DISPLAYFBINFO;
107
108	/* The legacy VBVA (VideoAccel) data.
109	*
110	* Backward compatibility with the Guest Additions 3.x or older.
111	*/
112	typedef struct VIDEOACCEL
113	{
114	VBVAMEMORY *pVbvaMemory;
115	bool fVideoAccelEnabled;
116
117	uint8_t *pu8VbvaPartial;
118	uint32_t cbVbvaPartial;
119
120	/* Old Guest Additions (3.x and older) use both VMMDev and DevVGA refresh timer
121	* to process the VBVABUFFER memory. Therefore the legacy VBVA (VideoAccel) host
122	* code can be executed concurrently by VGA refresh timer and the guest VMMDev
123	* request in SMP VMs. The semaphore serialized this.
124	*/
125	RTSEMXROADS hXRoadsVideoAccel;
126
127	} VIDEOACCEL;
128
129	class DisplayMouseInterface
130	{
131	public:
132	virtual ~DisplayMouseInterface() { }
133	virtual HRESULT i_getScreenResolution(ULONG cScreen, ULONG *pcx,
134	ULONG pcy, ULONG pcBPP, LONG pXOrigin, LONG pYOrigin) = 0;
135	virtual void i_getFramebufferDimensions(int32_t px1, int32_t py1,
136	int32_t px2, int32_t py2) = 0;
137	virtual HRESULT i_reportHostCursorCapabilities(uint32_t fCapabilitiesAdded, uint32_t fCapabilitiesRemoved) = 0;
138	virtual HRESULT i_reportHostCursorPosition(int32_t x, int32_t y, bool fOutOfRange) = 0;
139	virtual bool i_isInputMappingSet(void) = 0;
140	};
141
142	class VMMDev;
143
144	class ATL_NO_VTABLE Display :
145	public DisplayWrap,
146	public DisplayMouseInterface
147	{
148	public:
149
150	DECLARE_COMMON_CLASS_METHODS(Display)
151
152	HRESULT FinalConstruct();
153	void FinalRelease();
154
155	// public initializer/uninitializer for internal purposes only
156	HRESULT init(Console *aParent);
157	void uninit();
158	int i_registerSSM(PUVM pUVM);
159
160	// public methods only for internal purposes
161	unsigned i_getMonitorCount() { return mcMonitors; }
162	int i_handleDisplayResize(unsigned uScreenId, uint32_t bpp, void *pvVRAM,
163	uint32_t cbLine, uint32_t w, uint32_t h, uint16_t flags,
164	int32_t xOrigin, int32_t yOrigin, bool fVGAResize);
165	void i_handleDisplayUpdate(unsigned uScreenId, int x, int y, int w, int h);
166	void i_handleUpdateVMMDevSupportsGraphics(bool fSupportsGraphics);
167	void i_handleUpdateGuestVBVACapabilities(uint32_t fNewCapabilities);
168	void i_handleUpdateVBVAInputMapping(int32_t xOrigin, int32_t yOrigin, uint32_t cx, uint32_t cy);
169	#ifdef VBOX_WITH_VIDEOHWACCEL
170	int i_handleVHWACommandProcess(int enmCmd, bool fGuestCmd, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand);
171	#endif
172	int i_handle3DNotifyProcess(VBOX3DNOTIFY *p3DNotify);
173
174	int i_saveVisibleRegion(uint32_t cRect, PRTRECT pRect);
175	int i_handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect);
176	int i_handleUpdateMonitorPositions(uint32_t cPositions, PCRTPOINT paPositions);
177	int i_handleQueryVisibleRegion(uint32_t *pcRects, PRTRECT paRects);
178
179	void i_VRDPConnectionEvent(bool fConnect);
180	void i_VideoAccelVRDP(bool fEnable, int c);
181
182	/* Legacy video acceleration requests coming from the VGA refresh timer. */
183	int VideoAccelEnableVGA(bool fEnable, VBVAMEMORY *pVbvaMemory);
184
185	/* Legacy video acceleration requests coming from VMMDev. */
186	int VideoAccelEnableVMMDev(bool fEnable, VBVAMEMORY *pVbvaMemory);
187	void VideoAccelFlushVMMDev(void);
188
189	void i_UpdateDeviceCursorCapabilities(void);
190
191	#ifdef VBOX_WITH_RECORDING
192	int i_recordingInvalidate(void);
193	void i_recordingScreenChanged(unsigned uScreenId);
194	#endif
195
196	void i_notifyPowerDown(void);
197
198	// DisplayMouseInterface methods
199	virtual HRESULT i_getScreenResolution(ULONG cScreen, ULONG *pcx,
200	ULONG pcy, ULONG pcBPP, LONG pXOrigin, LONG pYOrigin)
201	{
202	return getScreenResolution(cScreen, pcx, pcy, pcBPP, pXOrigin, pYOrigin, NULL);
203	}
204	virtual void i_getFramebufferDimensions(int32_t px1, int32_t py1,
205	int32_t px2, int32_t py2);
206	virtual HRESULT i_reportHostCursorCapabilities(uint32_t fCapabilitiesAdded, uint32_t fCapabilitiesRemoved);
207	virtual HRESULT i_reportHostCursorPosition(int32_t x, int32_t y, bool fOutOfRange);
208	virtual bool i_isInputMappingSet(void)
209	{
210	return cxInputMapping != 0 && cyInputMapping != 0;
211	}
212
213	static const PDMDRVREG DrvReg;
214
215	private:
216	// Wrapped IDisplay properties
217	virtual HRESULT getGuestScreenLayout(std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenLayout);
218
219	// Wrapped IDisplay methods
220	virtual HRESULT getScreenResolution(ULONG aScreenId,
221	ULONG *aWidth,
222	ULONG *aHeight,
223	ULONG *aBitsPerPixel,
224	LONG *aXOrigin,
225	LONG *aYOrigin,
226	GuestMonitorStatus_T *aGuestMonitorStatus);
227	virtual HRESULT attachFramebuffer(ULONG aScreenId,
228	const ComPtr<IFramebuffer> &aFramebuffer,
229	com::Guid &aId);
230	virtual HRESULT detachFramebuffer(ULONG aScreenId,
231	const com::Guid &aId);
232	virtual HRESULT queryFramebuffer(ULONG aScreenId,
233	ComPtr<IFramebuffer> &aFramebuffer);
234	virtual HRESULT setVideoModeHint(ULONG aDisplay,
235	BOOL aEnabled,
236	BOOL aChangeOrigin,
237	LONG aOriginX,
238	LONG aOriginY,
239	ULONG aWidth,
240	ULONG aHeight,
241	ULONG aBitsPerPixel,
242	BOOL aNotify);
243	virtual HRESULT getVideoModeHint(ULONG aDisplay,
244	BOOL *aEnabled,
245	BOOL *aChangeOrigin,
246	LONG *aOriginX,
247	LONG *aOriginY,
248	ULONG *aWidth,
249	ULONG *aHeight,
250	ULONG *aBitsPerPixel);
251	virtual HRESULT setSeamlessMode(BOOL aEnabled);
252	virtual HRESULT takeScreenShot(ULONG aScreenId,
253	BYTE *aAddress,
254	ULONG aWidth,
255	ULONG aHeight,
256	BitmapFormat_T aBitmapFormat);
257	virtual HRESULT takeScreenShotToArray(ULONG aScreenId,
258	ULONG aWidth,
259	ULONG aHeight,
260	BitmapFormat_T aBitmapFormat,
261	std::vector<BYTE> &aScreenData);
262	virtual HRESULT drawToScreen(ULONG aScreenId,
263	BYTE *aAddress,
264	ULONG aX,
265	ULONG aY,
266	ULONG aWidth,
267	ULONG aHeight);
268	virtual HRESULT invalidateAndUpdate();
269	virtual HRESULT invalidateAndUpdateScreen(ULONG aScreenId);
270	virtual HRESULT completeVHWACommand(BYTE *aCommand);
271	virtual HRESULT viewportChanged(ULONG aScreenId,
272	ULONG aX,
273	ULONG aY,
274	ULONG aWidth,
275	ULONG aHeight);
276	virtual HRESULT querySourceBitmap(ULONG aScreenId,
277	ComPtr<IDisplaySourceBitmap> &aDisplaySourceBitmap);
278	virtual HRESULT notifyScaleFactorChange(ULONG aScreenId,
279	ULONG aScaleFactorWMultiplied,
280	ULONG aScaleFactorHMultiplied);
281	virtual HRESULT notifyHiDPIOutputPolicyChange(BOOL fUnscaledHiDPI);
282	virtual HRESULT setScreenLayout(ScreenLayoutMode_T aScreenLayoutMode,
283	const std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenInfo);
284	virtual HRESULT detachScreens(const std::vector<LONG> &aScreenIds);
285	virtual HRESULT createGuestScreenInfo(ULONG aDisplay,
286	GuestMonitorStatus_T aStatus,
287	BOOL aPrimary,
288	BOOL aChangeOrigin,
289	LONG aOriginX,
290	LONG aOriginY,
291	ULONG aWidth,
292	ULONG aHeight,
293	ULONG aBitsPerPixel,
294	ComPtr<IGuestScreenInfo> &aGuestScreenInfo);
295
296	// Wrapped IEventListener properties
297
298	// Wrapped IEventListener methods
299	virtual HRESULT handleEvent(const ComPtr<IEvent> &aEvent);
300
301	// other internal methods
302	HRESULT takeScreenShotWorker(ULONG aScreenId,
303	BYTE *aAddress,
304	ULONG aWidth,
305	ULONG aHeight,
306	BitmapFormat_T aBitmapFormat,
307	ULONG *pcbOut);
308	int processVBVAResize(PCVBVAINFOVIEW pView, PCVBVAINFOSCREEN pScreen, void *pvVRAM, bool fResetInputMapping);
309
310	static DECLCALLBACK(void) i_drvQueryInterface(PPDMIBASE pInterface, const char pszIID);
311	static DECLCALLBACK(int) i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags);
312	static DECLCALLBACK(void) i_drvDestruct(PPDMDRVINS pDrvIns);
313	static DECLCALLBACK(void) i_drvPowerOff(PPDMDRVINS pDrvIns);
314	static DECLCALLBACK(int) i_displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface, uint32_t bpp, void *pvVRAM,
315	uint32_t cbLine, uint32_t cx, uint32_t cy);
316	static DECLCALLBACK(void) i_displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
317	uint32_t x, uint32_t y, uint32_t cx, uint32_t cy);
318	static DECLCALLBACK(void) i_displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface);
319	static DECLCALLBACK(void) i_displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface);
320	static DECLCALLBACK(void) i_displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled);
321	static DECLCALLBACK(void) i_displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
322	void *pvVRAM, uint32_t u32VRAMSize);
323	static DECLCALLBACK(void) i_displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
324	void *pvVRAM, unsigned uScreenId);
325
326	#ifdef VBOX_WITH_VIDEOHWACCEL
327	static DECLCALLBACK(int) i_displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, int enmCmd, bool fGuestCmd,
328	VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand);
329	#endif
330	static DECLCALLBACK(int) i_display3DNotifyProcess(PPDMIDISPLAYCONNECTOR pInterface,
331	VBOX3DNOTIFY *p3DNotify);
332
333	#ifdef VBOX_WITH_HGSMI
334	static DECLCALLBACK(int) i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
335	VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pHostFlags);
336	static DECLCALLBACK(void) i_displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
337	static DECLCALLBACK(void) i_displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
338	static DECLCALLBACK(void) i_displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
339	struct VBVACMDHDR const RT_UNTRUSTED_VOLATILE_GUEST *pCmd, size_t cbCmd);
340	static DECLCALLBACK(void) i_displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y,
341	uint32_t cx, uint32_t cy);
342	static DECLCALLBACK(int) i_displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, PCVBVAINFOVIEW pView,
343	PCVBVAINFOSCREEN pScreen, void *pvVRAM,
344	bool fResetInputMapping);
345	static DECLCALLBACK(int) i_displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
346	uint32_t xHot, uint32_t yHot, uint32_t cx, uint32_t cy,
347	const void *pvShape);
348	static DECLCALLBACK(void) i_displayVBVAGuestCapabilityUpdate(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fCapabilities);
349
350	static DECLCALLBACK(void) i_displayVBVAInputMappingUpdate(PPDMIDISPLAYCONNECTOR pInterface, int32_t xOrigin, int32_t yOrigin,
351	uint32_t cx, uint32_t cy);
352	static DECLCALLBACK(void) i_displayVBVAReportCursorPosition(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fFlags, uint32_t uScreen, uint32_t x, uint32_t y);
353	#endif
354
355	static DECLCALLBACK(int) i_displaySSMSaveScreenshot(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser);
356	static DECLCALLBACK(int) i_displaySSMLoadScreenshot(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser,
357	uint32_t uVersion, uint32_t uPass);
358	static DECLCALLBACK(int) i_displaySSMSave(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser);
359	static DECLCALLBACK(int) i_displaySSMLoad(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser,
360	uint32_t uVersion, uint32_t uPass);
361
362	Console * const mParent;
363	/** Pointer to the associated display driver. */
364	struct DRVMAINDISPLAY *mpDrv;
365
366	unsigned mcMonitors;
367	/** Input mapping rectangle top left X relative to the first screen. */
368	int32_t xInputMappingOrigin;
369	/** Input mapping rectangle top left Y relative to the first screen. */
370	int32_t yInputMappingOrigin;
371	uint32_t cxInputMapping; /*< Input mapping rectangle width. /
372	uint32_t cyInputMapping; /*< Input mapping rectangle height. /
373	DISPLAYFBINFO maFramebuffers[SchemaDefs::MaxGuestMonitors];
374	/** Does the VMM device have the "supports graphics" capability set?
375	* Does not go into the saved state as it is refreshed on restore. */
376	bool mfVMMDevSupportsGraphics;
377	/** Mirror of the current guest VBVA capabilities. */
378	uint32_t mfGuestVBVACapabilities;
379	/** Mirror of the current host cursor capabilities. */
380	uint32_t mfHostCursorCapabilities;
381
382	bool mfSourceBitmapEnabled;
383	bool volatile fVGAResizing;
384
385	/** Are we in seamless mode? Not saved, as we exit seamless on saving. */
386	bool mfSeamlessEnabled;
387	/** Last set seamless visible region, number of rectangles. */
388	uint32_t mcRectVisibleRegion;
389	/** Last set seamless visible region, data. Freed on final clean-up. */
390	PRTRECT mpRectVisibleRegion;
391
392	bool mfVideoAccelVRDP;
393	uint32_t mfu32SupportedOrders;
394	/** Number of currently connected VRDP clients. */
395	int32_t volatile mcVRDPRefs;
396
397	/* The legacy VBVA data and methods. */
398	VIDEOACCEL mVideoAccelLegacy;
399
400	int i_VideoAccelEnable(bool fEnable, VBVAMEMORY *pVbvaMemory, PPDMIDISPLAYPORT pUpPort);
401	void i_VideoAccelFlush(PPDMIDISPLAYPORT pUpPort);
402	bool i_VideoAccelAllowed(void);
403
404	int i_videoAccelRefreshProcess(PPDMIDISPLAYPORT pUpPort);
405	int i_videoAccelEnable(bool fEnable, VBVAMEMORY *pVbvaMemory, PPDMIDISPLAYPORT pUpPort);
406	int i_videoAccelFlush(PPDMIDISPLAYPORT pUpPort);
407
408	/* Legacy pre-HGSMI handlers. */
409	void processAdapterData(void *pvVRAM, uint32_t u32VRAMSize);
410	void processDisplayData(void *pvVRAM, unsigned uScreenId);
411
412	/** Serializes access to mVideoAccelLegacy and mfVideoAccelVRDP, etc between VRDP and Display. */
413	RTCRITSECT mVideoAccelLock;
414
415	#ifdef VBOX_WITH_RECORDING
416	/* Serializes access to video recording source bitmaps. */
417	RTCRITSECT mVideoRecLock;
418	/** Array which defines which screens are being enabled for recording. */
419	bool maRecordingEnabled[SchemaDefs::MaxGuestMonitors];
420	#endif
421
422	public:
423
424	static DECLCALLBACK(int) i_displayTakeScreenshotEMT(Display pDisplay, ULONG aScreenId, uint8_t ppbData, size_t pcbData,
425	uint32_t pcx, uint32_t pcy, bool *pfMemFree);
426
427	private:
428	static DECLCALLBACK(int) i_InvalidateAndUpdateEMT(Display *pDisplay, unsigned uId, bool fUpdateAll);
429	static DECLCALLBACK(int) i_drawToScreenEMT(Display pDisplay, ULONG aScreenId, BYTE address, ULONG x, ULONG y,
430	ULONG width, ULONG height);
431
432	void i_updateGuestGraphicsFacility(void);
433
434	#ifdef VBOX_WITH_HGSMI
435	volatile uint32_t mu32UpdateVBVAFlags;
436	#endif
437
438	private:
439	DECLARE_CLS_COPY_CTOR_ASSIGN_NOOP(Display); /* Shuts up MSC warning C4625. */
440	};
441
442	/* The legacy VBVA helpers. */
443	int videoAccelConstruct(VIDEOACCEL *pVideoAccel);
444	void videoAccelDestroy(VIDEOACCEL *pVideoAccel);
445	void i_vbvaSetMemoryFlags(VBVAMEMORY *pVbvaMemory,
446	bool fVideoAccelEnabled,
447	bool fVideoAccelVRDP,
448	uint32_t fu32SupportedOrders,
449	DISPLAYFBINFO *paFBInfos,
450	unsigned cFBInfos);
451	int videoAccelEnterVGA(VIDEOACCEL *pVideoAccel);
452	void videoAccelLeaveVGA(VIDEOACCEL *pVideoAccel);
453	int videoAccelEnterVMMDev(VIDEOACCEL *pVideoAccel);
454	void videoAccelLeaveVMMDev(VIDEOACCEL *pVideoAccel);
455
456
457	/* helper function, code in DisplayResampleImage.cpp */
458	void BitmapScale32(uint8_t *dst, int dstW, int dstH,
459	const uint8_t *src, int iDeltaLine, int srcW, int srcH);
460
461	/* helper function, code in DisplayPNGUtul.cpp */
462	int DisplayMakePNG(uint8_t *pbData, uint32_t cx, uint32_t cy,
463	uint8_t *ppu8PNG, uint32_t pcbPNG, uint32_t pcxPNG, uint32_t pcyPNG,
464	uint8_t fLimitSize);
465
466	class ATL_NO_VTABLE DisplaySourceBitmap:
467	public DisplaySourceBitmapWrap
468	{
469	public:
470
471	DECLARE_COMMON_CLASS_METHODS(DisplaySourceBitmap)
472
473	HRESULT FinalConstruct();
474	void FinalRelease();
475
476	/* Public initializer/uninitializer for internal purposes only. */
477	HRESULT init(ComObjPtr<Display> pDisplay, unsigned uScreenId, DISPLAYFBINFO *pFBInfo);
478	void uninit();
479
480	bool i_usesVRAM(void) { return m.pu8Allocated == NULL; }
481
482	private:
483	// wrapped IDisplaySourceBitmap properties
484	virtual HRESULT getScreenId(ULONG *aScreenId);
485
486	// wrapped IDisplaySourceBitmap methods
487	virtual HRESULT queryBitmapInfo(BYTE **aAddress,
488	ULONG *aWidth,
489	ULONG *aHeight,
490	ULONG *aBitsPerPixel,
491	ULONG *aBytesPerLine,
492	BitmapFormat_T *aBitmapFormat);
493
494	int initSourceBitmap(unsigned aScreenId, DISPLAYFBINFO *pFBInfo);
495
496	struct Data
497	{
498	ComObjPtr<Display> pDisplay;
499	unsigned uScreenId;
500	DISPLAYFBINFO *pFBInfo;
501
502	uint8_t *pu8Allocated;
503
504	uint8_t *pu8Address;
505	ULONG ulWidth;
506	ULONG ulHeight;
507	ULONG ulBitsPerPixel;
508	ULONG ulBytesPerLine;
509	BitmapFormat_T bitmapFormat;
510	};
511
512	Data m;
513	};
514
515	class ATL_NO_VTABLE GuestScreenInfo:
516	public GuestScreenInfoWrap
517	{
518	public:
519
520	DECLARE_COMMON_CLASS_METHODS(GuestScreenInfo)
521
522	HRESULT FinalConstruct();
523	void FinalRelease();
524
525	/* Public initializer/uninitializer for internal purposes only. */
526	HRESULT init(ULONG aDisplay,
527	GuestMonitorStatus_T aGuestMonitorStatus,
528	BOOL aPrimary,
529	BOOL aChangeOrigin,
530	LONG aOriginX,
531	LONG aOriginY,
532	ULONG aWidth,
533	ULONG aHeight,
534	ULONG aBitsPerPixel);
535	void uninit();
536
537	private:
538	// wrapped IGuestScreenInfo properties
539	virtual HRESULT getScreenId(ULONG *aScreenId);
540	virtual HRESULT getGuestMonitorStatus(GuestMonitorStatus_T *aGuestMonitorStatus);
541	virtual HRESULT getPrimary(BOOL *aPrimary);
542	virtual HRESULT getOrigin(BOOL *aOrigin);
543	virtual HRESULT getOriginX(LONG *aOriginX);
544	virtual HRESULT getOriginY(LONG *aOriginY);
545	virtual HRESULT getWidth(ULONG *aWidth);
546	virtual HRESULT getHeight(ULONG *aHeight);
547	virtual HRESULT getBitsPerPixel(ULONG *aBitsPerPixel);
548	virtual HRESULT getExtendedInfo(com::Utf8Str &aExtendedInfo);
549
550	ULONG mScreenId;
551	GuestMonitorStatus_T mGuestMonitorStatus;
552	BOOL mPrimary;
553	BOOL mOrigin;
554	LONG mOriginX;
555	LONG mOriginY;
556	ULONG mWidth;
557	ULONG mHeight;
558	ULONG mBitsPerPixel;
559	};
560
561	#endif /* !MAIN_INCLUDED_DisplayImpl_h */
562	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/include/DisplayImpl.h@ 96861

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