DisplayImpl.h@ 84411

Last change on this file since 84411 was 84342, checked in by vboxsync, 5 years ago
Main: VC++ 19.2 adjustments. bugref:8489
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1	/* $Id: DisplayImpl.h 84342 2020-05-18 18:24:58Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2020 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18	#ifndef MAIN_INCLUDED_DisplayImpl_h
19	#define MAIN_INCLUDED_DisplayImpl_h
20	#ifndef RT_WITHOUT_PRAGMA_ONCE
21	# pragma once
22	#endif
23
24	#include "SchemaDefs.h"
25
26	#include <iprt/semaphore.h>
27	#include <VBox/vmm/pdmdrv.h>
28	#include <VBoxVideo.h>
29	#include <VBox/vmm/pdmifs.h>
30	#include <VBox/VMMDev.h> /* For struct VMMDevDisplayDef - why is it in that file? */
31	#include "DisplayWrap.h"
32
33	#include "DisplaySourceBitmapWrap.h"
34	#include "GuestScreenInfoWrap.h"
35
36
37	class Console;
38
39	typedef struct _DISPLAYFBINFO
40	{
41	/* The following 3 fields (u32Offset, u32MaxFramebufferSize and u32InformationSize)
42	* are not used by the current HGSMI. They are needed for backward compatibility with
43	* pre-HGSMI additions.
44	*/
45	uint32_t u32Offset;
46	uint32_t u32MaxFramebufferSize;
47	uint32_t u32InformationSize;
48
49	ComPtr<IFramebuffer> pFramebuffer;
50	com::Guid framebufferId;
51	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
52	bool fDisabled;
53
54	uint32_t u32Caps;
55
56	struct
57	{
58	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
59	uint8_t *pu8Address;
60	uint32_t cbLine;
61	} updateImage;
62
63	LONG xOrigin;
64	LONG yOrigin;
65
66	ULONG w;
67	ULONG h;
68
69	uint16_t u16BitsPerPixel;
70	uint8_t *pu8FramebufferVRAM;
71	uint32_t u32LineSize;
72
73	uint16_t flags;
74
75	VBOXVIDEOINFOHOSTEVENTS *pHostEvents;
76
77	/** The framebuffer has default format and must be updates immediately. */
78	bool fDefaultFormat;
79
80	#ifdef VBOX_WITH_HGSMI
81	bool fVBVAEnabled;
82	bool fVBVAForceResize;
83	VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pVBVAHostFlags;
84	#endif /* VBOX_WITH_HGSMI */
85
86	#ifdef VBOX_WITH_RECORDING
87	struct
88	{
89	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
90	} Recording;
91	#endif /* VBOX_WITH_RECORDING */
92
93	/** Description of the currently plugged monitor with preferred mode,
94	* a.k.a the last mode hint sent. */
95	struct VMMDevDisplayDef monitorDesc;
96	} DISPLAYFBINFO;
97
98	/* The legacy VBVA (VideoAccel) data.
99	*
100	* Backward compatibility with the guest additions 3.x or older.
101	*/
102	typedef struct VIDEOACCEL
103	{
104	VBVAMEMORY *pVbvaMemory;
105	bool fVideoAccelEnabled;
106
107	uint8_t *pu8VbvaPartial;
108	uint32_t cbVbvaPartial;
109
110	/* Old guest additions (3.x and older) use both VMMDev and DevVGA refresh timer
111	* to process the VBVABUFFER memory. Therefore the legacy VBVA (VideoAccel) host
112	* code can be executed concurrently by VGA refresh timer and the guest VMMDev
113	* request in SMP VMs. The semaphore serialized this.
114	*/
115	RTSEMXROADS hXRoadsVideoAccel;
116
117	} VIDEOACCEL;
118
119	class DisplayMouseInterface
120	{
121	public:
122	virtual ~DisplayMouseInterface() { }
123	virtual HRESULT i_getScreenResolution(ULONG cScreen, ULONG *pcx,
124	ULONG pcy, ULONG pcBPP, LONG pXOrigin, LONG pYOrigin) = 0;
125	virtual void i_getFramebufferDimensions(int32_t px1, int32_t py1,
126	int32_t px2, int32_t py2) = 0;
127	virtual HRESULT i_reportHostCursorCapabilities(uint32_t fCapabilitiesAdded, uint32_t fCapabilitiesRemoved) = 0;
128	virtual HRESULT i_reportHostCursorPosition(int32_t x, int32_t y, bool fOutOfRange) = 0;
129	virtual bool i_isInputMappingSet(void) = 0;
130	};
131
132	class VMMDev;
133
134	class ATL_NO_VTABLE Display :
135	public DisplayWrap,
136	public DisplayMouseInterface
137	{
138	public:
139
140	DECLARE_EMPTY_CTOR_DTOR(Display)
141
142	HRESULT FinalConstruct();
143	void FinalRelease();
144
145	// public initializer/uninitializer for internal purposes only
146	HRESULT init(Console *aParent);
147	void uninit();
148	int i_registerSSM(PUVM pUVM);
149
150	// public methods only for internal purposes
151	unsigned i_getMonitorCount() { return mcMonitors; }
152	int i_handleDisplayResize(unsigned uScreenId, uint32_t bpp, void *pvVRAM,
153	uint32_t cbLine, uint32_t w, uint32_t h, uint16_t flags,
154	int32_t xOrigin, int32_t yOrigin, bool fVGAResize);
155	void i_handleDisplayUpdate(unsigned uScreenId, int x, int y, int w, int h);
156	void i_handleUpdateVMMDevSupportsGraphics(bool fSupportsGraphics);
157	void i_handleUpdateGuestVBVACapabilities(uint32_t fNewCapabilities);
158	void i_handleUpdateVBVAInputMapping(int32_t xOrigin, int32_t yOrigin, uint32_t cx, uint32_t cy);
159	#ifdef VBOX_WITH_VIDEOHWACCEL
160	int i_handleVHWACommandProcess(int enmCmd, bool fGuestCmd, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand);
161	#endif
162
163	int i_saveVisibleRegion(uint32_t cRect, PRTRECT pRect);
164	int i_handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect);
165	int i_handleUpdateMonitorPositions(uint32_t cPositions, PRTPOINT pPosition);
166	int i_handleQueryVisibleRegion(uint32_t *pcRects, PRTRECT paRects);
167
168	void i_VRDPConnectionEvent(bool fConnect);
169	void i_VideoAccelVRDP(bool fEnable, int c);
170
171	/* Legacy video acceleration requests coming from the VGA refresh timer. */
172	int VideoAccelEnableVGA(bool fEnable, VBVAMEMORY *pVbvaMemory);
173
174	/* Legacy video acceleration requests coming from VMMDev. */
175	int VideoAccelEnableVMMDev(bool fEnable, VBVAMEMORY *pVbvaMemory);
176	void VideoAccelFlushVMMDev(void);
177
178	void i_UpdateDeviceCursorCapabilities(void);
179
180	#ifdef VBOX_WITH_RECORDING
181	int i_recordingInvalidate(void);
182	void i_recordingScreenChanged(unsigned uScreenId);
183	#endif
184
185	void i_notifyPowerDown(void);
186
187	// DisplayMouseInterface methods
188	virtual HRESULT i_getScreenResolution(ULONG cScreen, ULONG *pcx,
189	ULONG pcy, ULONG pcBPP, LONG pXOrigin, LONG pYOrigin)
190	{
191	return getScreenResolution(cScreen, pcx, pcy, pcBPP, pXOrigin, pYOrigin, NULL);
192	}
193	virtual void i_getFramebufferDimensions(int32_t px1, int32_t py1,
194	int32_t px2, int32_t py2);
195	virtual HRESULT i_reportHostCursorCapabilities(uint32_t fCapabilitiesAdded, uint32_t fCapabilitiesRemoved);
196	virtual HRESULT i_reportHostCursorPosition(int32_t x, int32_t y, bool fOutOfRange);
197	virtual bool i_isInputMappingSet(void)
198	{
199	return cxInputMapping != 0 && cyInputMapping != 0;
200	}
201
202	static const PDMDRVREG DrvReg;
203
204	private:
205	// Wrapped IDisplay properties
206	virtual HRESULT getGuestScreenLayout(std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenLayout);
207
208	// Wrapped IDisplay methods
209	virtual HRESULT getScreenResolution(ULONG aScreenId,
210	ULONG *aWidth,
211	ULONG *aHeight,
212	ULONG *aBitsPerPixel,
213	LONG *aXOrigin,
214	LONG *aYOrigin,
215	GuestMonitorStatus_T *aGuestMonitorStatus);
216	virtual HRESULT attachFramebuffer(ULONG aScreenId,
217	const ComPtr<IFramebuffer> &aFramebuffer,
218	com::Guid &aId);
219	virtual HRESULT detachFramebuffer(ULONG aScreenId,
220	const com::Guid &aId);
221	virtual HRESULT queryFramebuffer(ULONG aScreenId,
222	ComPtr<IFramebuffer> &aFramebuffer);
223	virtual HRESULT setVideoModeHint(ULONG aDisplay,
224	BOOL aEnabled,
225	BOOL aChangeOrigin,
226	LONG aOriginX,
227	LONG aOriginY,
228	ULONG aWidth,
229	ULONG aHeight,
230	ULONG aBitsPerPixel,
231	BOOL aNotify);
232	virtual HRESULT getVideoModeHint(ULONG aDisplay,
233	BOOL *aEnabled,
234	BOOL *aChangeOrigin,
235	LONG *aOriginX,
236	LONG *aOriginY,
237	ULONG *aWidth,
238	ULONG *aHeight,
239	ULONG *aBitsPerPixel);
240	virtual HRESULT setSeamlessMode(BOOL aEnabled);
241	virtual HRESULT takeScreenShot(ULONG aScreenId,
242	BYTE *aAddress,
243	ULONG aWidth,
244	ULONG aHeight,
245	BitmapFormat_T aBitmapFormat);
246	virtual HRESULT takeScreenShotToArray(ULONG aScreenId,
247	ULONG aWidth,
248	ULONG aHeight,
249	BitmapFormat_T aBitmapFormat,
250	std::vector<BYTE> &aScreenData);
251	virtual HRESULT drawToScreen(ULONG aScreenId,
252	BYTE *aAddress,
253	ULONG aX,
254	ULONG aY,
255	ULONG aWidth,
256	ULONG aHeight);
257	virtual HRESULT invalidateAndUpdate();
258	virtual HRESULT invalidateAndUpdateScreen(ULONG aScreenId);
259	virtual HRESULT completeVHWACommand(BYTE *aCommand);
260	virtual HRESULT viewportChanged(ULONG aScreenId,
261	ULONG aX,
262	ULONG aY,
263	ULONG aWidth,
264	ULONG aHeight);
265	virtual HRESULT querySourceBitmap(ULONG aScreenId,
266	ComPtr<IDisplaySourceBitmap> &aDisplaySourceBitmap);
267	virtual HRESULT notifyScaleFactorChange(ULONG aScreenId,
268	ULONG aScaleFactorWMultiplied,
269	ULONG aScaleFactorHMultiplied);
270	virtual HRESULT notifyHiDPIOutputPolicyChange(BOOL fUnscaledHiDPI);
271	virtual HRESULT setScreenLayout(ScreenLayoutMode_T aScreenLayoutMode,
272	const std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenInfo);
273	virtual HRESULT detachScreens(const std::vector<LONG> &aScreenIds);
274	virtual HRESULT createGuestScreenInfo(ULONG aDisplay,
275	GuestMonitorStatus_T aStatus,
276	BOOL aPrimary,
277	BOOL aChangeOrigin,
278	LONG aOriginX,
279	LONG aOriginY,
280	ULONG aWidth,
281	ULONG aHeight,
282	ULONG aBitsPerPixel,
283	ComPtr<IGuestScreenInfo> &aGuestScreenInfo);
284
285	// Wrapped IEventListener properties
286
287	// Wrapped IEventListener methods
288	virtual HRESULT handleEvent(const ComPtr<IEvent> &aEvent);
289
290	// other internal methods
291	HRESULT takeScreenShotWorker(ULONG aScreenId,
292	BYTE *aAddress,
293	ULONG aWidth,
294	ULONG aHeight,
295	BitmapFormat_T aBitmapFormat,
296	ULONG *pcbOut);
297	int processVBVAResize(PCVBVAINFOVIEW pView, PCVBVAINFOSCREEN pScreen, void *pvVRAM, bool fResetInputMapping);
298
299	static DECLCALLBACK(void) i_drvQueryInterface(PPDMIBASE pInterface, const char pszIID);
300	static DECLCALLBACK(int) i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags);
301	static DECLCALLBACK(void) i_drvDestruct(PPDMDRVINS pDrvIns);
302	static DECLCALLBACK(void) i_drvPowerOff(PPDMDRVINS pDrvIns);
303	static DECLCALLBACK(int) i_displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface, uint32_t bpp, void *pvVRAM,
304	uint32_t cbLine, uint32_t cx, uint32_t cy);
305	static DECLCALLBACK(void) i_displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
306	uint32_t x, uint32_t y, uint32_t cx, uint32_t cy);
307	static DECLCALLBACK(void) i_displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface);
308	static DECLCALLBACK(void) i_displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface);
309	static DECLCALLBACK(void) i_displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled);
310	static DECLCALLBACK(void) i_displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
311	void *pvVRAM, uint32_t u32VRAMSize);
312	static DECLCALLBACK(void) i_displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
313	void *pvVRAM, unsigned uScreenId);
314
315	#ifdef VBOX_WITH_VIDEOHWACCEL
316	static DECLCALLBACK(int) i_displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, int enmCmd, bool fGuestCmd,
317	VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand);
318	#endif
319
320	#ifdef VBOX_WITH_HGSMI
321	static DECLCALLBACK(int) i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
322	VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pHostFlags);
323	static DECLCALLBACK(void) i_displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
324	static DECLCALLBACK(void) i_displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
325	static DECLCALLBACK(void) i_displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
326	struct VBVACMDHDR const RT_UNTRUSTED_VOLATILE_GUEST *pCmd, size_t cbCmd);
327	static DECLCALLBACK(void) i_displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y,
328	uint32_t cx, uint32_t cy);
329	static DECLCALLBACK(int) i_displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, PCVBVAINFOVIEW pView,
330	PCVBVAINFOSCREEN pScreen, void *pvVRAM,
331	bool fResetInputMapping);
332	static DECLCALLBACK(int) i_displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
333	uint32_t xHot, uint32_t yHot, uint32_t cx, uint32_t cy,
334	const void *pvShape);
335	static DECLCALLBACK(void) i_displayVBVAGuestCapabilityUpdate(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fCapabilities);
336
337	static DECLCALLBACK(void) i_displayVBVAInputMappingUpdate(PPDMIDISPLAYCONNECTOR pInterface, int32_t xOrigin, int32_t yOrigin,
338	uint32_t cx, uint32_t cy);
339	static DECLCALLBACK(void) i_displayVBVAReportCursorPosition(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fFlags, uint32_t uScreen, uint32_t x, uint32_t y);
340	#endif
341
342	static DECLCALLBACK(void) i_displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser);
343	static DECLCALLBACK(int) i_displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
344	static DECLCALLBACK(void) i_displaySSMSave(PSSMHANDLE pSSM, void *pvUser);
345	static DECLCALLBACK(int) i_displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
346
347	Console * const mParent;
348	/** Pointer to the associated display driver. */
349	struct DRVMAINDISPLAY *mpDrv;
350
351	unsigned mcMonitors;
352	/** Input mapping rectangle top left X relative to the first screen. */
353	int32_t xInputMappingOrigin;
354	/** Input mapping rectangle top left Y relative to the first screen. */
355	int32_t yInputMappingOrigin;
356	uint32_t cxInputMapping; /*< Input mapping rectangle width. /
357	uint32_t cyInputMapping; /*< Input mapping rectangle height. /
358	DISPLAYFBINFO maFramebuffers[SchemaDefs::MaxGuestMonitors];
359	/** Does the VMM device have the "supports graphics" capability set?
360	* Does not go into the saved state as it is refreshed on restore. */
361	bool mfVMMDevSupportsGraphics;
362	/** Mirror of the current guest VBVA capabilities. */
363	uint32_t mfGuestVBVACapabilities;
364	/** Mirror of the current host cursor capabilities. */
365	uint32_t mfHostCursorCapabilities;
366
367	bool mfSourceBitmapEnabled;
368	bool volatile fVGAResizing;
369
370	/** Are we in seamless mode? Not saved, as we exit seamless on saving. */
371	bool mfSeamlessEnabled;
372	/** Last set seamless visible region, number of rectangles. */
373	uint32_t mcRectVisibleRegion;
374	/** Last set seamless visible region, data. Freed on final clean-up. */
375	PRTRECT mpRectVisibleRegion;
376
377	bool mfVideoAccelVRDP;
378	uint32_t mfu32SupportedOrders;
379	/** Number of currently connected VRDP clients. */
380	int32_t volatile mcVRDPRefs;
381
382	/* The legacy VBVA data and methods. */
383	VIDEOACCEL mVideoAccelLegacy;
384
385	int i_VideoAccelEnable(bool fEnable, VBVAMEMORY *pVbvaMemory, PPDMIDISPLAYPORT pUpPort);
386	void i_VideoAccelFlush(PPDMIDISPLAYPORT pUpPort);
387	bool i_VideoAccelAllowed(void);
388
389	int i_videoAccelRefreshProcess(PPDMIDISPLAYPORT pUpPort);
390	int i_videoAccelEnable(bool fEnable, VBVAMEMORY *pVbvaMemory, PPDMIDISPLAYPORT pUpPort);
391	int i_videoAccelFlush(PPDMIDISPLAYPORT pUpPort);
392
393	/* Legacy pre-HGSMI handlers. */
394	void processAdapterData(void *pvVRAM, uint32_t u32VRAMSize);
395	void processDisplayData(void *pvVRAM, unsigned uScreenId);
396
397	/** Serializes access to mVideoAccelLegacy and mfVideoAccelVRDP, etc between VRDP and Display. */
398	RTCRITSECT mVideoAccelLock;
399
400	#ifdef VBOX_WITH_RECORDING
401	/* Serializes access to video recording source bitmaps. */
402	RTCRITSECT mVideoRecLock;
403	/** Array which defines which screens are being enabled for recording. */
404	bool maRecordingEnabled[SchemaDefs::MaxGuestMonitors];
405	#endif
406
407	public:
408
409	static int i_displayTakeScreenshotEMT(Display pDisplay, ULONG aScreenId, uint8_t ppbData, size_t pcbData,
410	uint32_t pcx, uint32_t pcy, bool *pfMemFree);
411
412	private:
413	static int i_InvalidateAndUpdateEMT(Display *pDisplay, unsigned uId, bool fUpdateAll);
414	static int i_drawToScreenEMT(Display pDisplay, ULONG aScreenId, BYTE address, ULONG x, ULONG y, ULONG width, ULONG height);
415
416	void i_updateGuestGraphicsFacility(void);
417
418	#ifdef VBOX_WITH_HGSMI
419	volatile uint32_t mu32UpdateVBVAFlags;
420	#endif
421
422	private:
423	DECLARE_CLS_COPY_CTOR_ASSIGN_NOOP(Display); /* Shuts up MSC warning C4625. */
424	};
425
426	/* The legacy VBVA helpers. */
427	int videoAccelConstruct(VIDEOACCEL *pVideoAccel);
428	void videoAccelDestroy(VIDEOACCEL *pVideoAccel);
429	void i_vbvaSetMemoryFlags(VBVAMEMORY *pVbvaMemory,
430	bool fVideoAccelEnabled,
431	bool fVideoAccelVRDP,
432	uint32_t fu32SupportedOrders,
433	DISPLAYFBINFO *paFBInfos,
434	unsigned cFBInfos);
435	int videoAccelEnterVGA(VIDEOACCEL *pVideoAccel);
436	void videoAccelLeaveVGA(VIDEOACCEL *pVideoAccel);
437	int videoAccelEnterVMMDev(VIDEOACCEL *pVideoAccel);
438	void videoAccelLeaveVMMDev(VIDEOACCEL *pVideoAccel);
439
440
441	/* helper function, code in DisplayResampleImage.cpp */
442	void BitmapScale32(uint8_t *dst, int dstW, int dstH,
443	const uint8_t *src, int iDeltaLine, int srcW, int srcH);
444
445	/* helper function, code in DisplayPNGUtul.cpp */
446	int DisplayMakePNG(uint8_t *pbData, uint32_t cx, uint32_t cy,
447	uint8_t *ppu8PNG, uint32_t pcbPNG, uint32_t pcxPNG, uint32_t pcyPNG,
448	uint8_t fLimitSize);
449
450	class ATL_NO_VTABLE DisplaySourceBitmap:
451	public DisplaySourceBitmapWrap
452	{
453	public:
454
455	DECLARE_EMPTY_CTOR_DTOR(DisplaySourceBitmap)
456
457	HRESULT FinalConstruct();
458	void FinalRelease();
459
460	/* Public initializer/uninitializer for internal purposes only. */
461	HRESULT init(ComObjPtr<Display> pDisplay, unsigned uScreenId, DISPLAYFBINFO *pFBInfo);
462	void uninit();
463
464	bool i_usesVRAM(void) { return m.pu8Allocated == NULL; }
465
466	private:
467	// wrapped IDisplaySourceBitmap properties
468	virtual HRESULT getScreenId(ULONG *aScreenId);
469
470	// wrapped IDisplaySourceBitmap methods
471	virtual HRESULT queryBitmapInfo(BYTE **aAddress,
472	ULONG *aWidth,
473	ULONG *aHeight,
474	ULONG *aBitsPerPixel,
475	ULONG *aBytesPerLine,
476	BitmapFormat_T *aBitmapFormat);
477
478	int initSourceBitmap(unsigned aScreenId, DISPLAYFBINFO *pFBInfo);
479
480	struct Data
481	{
482	ComObjPtr<Display> pDisplay;
483	unsigned uScreenId;
484	DISPLAYFBINFO *pFBInfo;
485
486	uint8_t *pu8Allocated;
487
488	uint8_t *pu8Address;
489	ULONG ulWidth;
490	ULONG ulHeight;
491	ULONG ulBitsPerPixel;
492	ULONG ulBytesPerLine;
493	BitmapFormat_T bitmapFormat;
494	};
495
496	Data m;
497	};
498
499	class ATL_NO_VTABLE GuestScreenInfo:
500	public GuestScreenInfoWrap
501	{
502	public:
503
504	DECLARE_EMPTY_CTOR_DTOR(GuestScreenInfo)
505
506	HRESULT FinalConstruct();
507	void FinalRelease();
508
509	/* Public initializer/uninitializer for internal purposes only. */
510	HRESULT init(ULONG aDisplay,
511	GuestMonitorStatus_T aGuestMonitorStatus,
512	BOOL aPrimary,
513	BOOL aChangeOrigin,
514	LONG aOriginX,
515	LONG aOriginY,
516	ULONG aWidth,
517	ULONG aHeight,
518	ULONG aBitsPerPixel);
519	void uninit();
520
521	private:
522	// wrapped IGuestScreenInfo properties
523	virtual HRESULT getScreenId(ULONG *aScreenId);
524	virtual HRESULT getGuestMonitorStatus(GuestMonitorStatus_T *aGuestMonitorStatus);
525	virtual HRESULT getPrimary(BOOL *aPrimary);
526	virtual HRESULT getOrigin(BOOL *aOrigin);
527	virtual HRESULT getOriginX(LONG *aOriginX);
528	virtual HRESULT getOriginY(LONG *aOriginY);
529	virtual HRESULT getWidth(ULONG *aWidth);
530	virtual HRESULT getHeight(ULONG *aHeight);
531	virtual HRESULT getBitsPerPixel(ULONG *aBitsPerPixel);
532	virtual HRESULT getExtendedInfo(com::Utf8Str &aExtendedInfo);
533
534	ULONG mScreenId;
535	GuestMonitorStatus_T mGuestMonitorStatus;
536	BOOL mPrimary;
537	BOOL mOrigin;
538	LONG mOriginX;
539	LONG mOriginY;
540	ULONG mWidth;
541	ULONG mHeight;
542	ULONG mBitsPerPixel;
543	};
544
545	#endif /* !MAIN_INCLUDED_DisplayImpl_h */
546	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/include/DisplayImpl.h@ 84411

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