DisplayImpl.h@ 81964

Last change on this file since 81964 was 81964, checked in by vboxsync, 5 years ago
Main/GraphicsAdapter: Split off a few attributes from Machine interface, which affects quite a few other interfaces. Frontends/VirtualBox+VBoxManage+VBoxSDL+VBoxShell: Adapt accordingly.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 22.6 KB

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1	/* $Id: DisplayImpl.h 81964 2019-11-18 20:42:02Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2019 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 HRESULT i_getScreenResolution(ULONG cScreen, ULONG *pcx,
123	ULONG pcy, ULONG pcBPP, LONG pXOrigin, LONG pYOrigin) = 0;
124	virtual void i_getFramebufferDimensions(int32_t px1, int32_t py1,
125	int32_t px2, int32_t py2) = 0;
126	virtual HRESULT i_reportHostCursorCapabilities(uint32_t fCapabilitiesAdded, uint32_t fCapabilitiesRemoved) = 0;
127	virtual HRESULT i_reportHostCursorPosition(int32_t x, int32_t y, bool fOutOfRange) = 0;
128	virtual bool i_isInputMappingSet(void) = 0;
129	};
130
131	class VMMDev;
132
133	class ATL_NO_VTABLE Display :
134	public DisplayWrap,
135	public DisplayMouseInterface
136	{
137	public:
138
139	DECLARE_EMPTY_CTOR_DTOR(Display)
140
141	HRESULT FinalConstruct();
142	void FinalRelease();
143
144	// public initializer/uninitializer for internal purposes only
145	HRESULT init(Console *aParent);
146	void uninit();
147	int i_registerSSM(PUVM pUVM);
148
149	// public methods only for internal purposes
150	unsigned i_getMonitorCount() { return mcMonitors; }
151	int i_handleDisplayResize(unsigned uScreenId, uint32_t bpp, void *pvVRAM,
152	uint32_t cbLine, uint32_t w, uint32_t h, uint16_t flags,
153	int32_t xOrigin, int32_t yOrigin, bool fVGAResize);
154	void i_handleDisplayUpdate(unsigned uScreenId, int x, int y, int w, int h);
155	void i_handleUpdateVMMDevSupportsGraphics(bool fSupportsGraphics);
156	void i_handleUpdateGuestVBVACapabilities(uint32_t fNewCapabilities);
157	void i_handleUpdateVBVAInputMapping(int32_t xOrigin, int32_t yOrigin, uint32_t cx, uint32_t cy);
158	#ifdef VBOX_WITH_VIDEOHWACCEL
159	int i_handleVHWACommandProcess(int enmCmd, bool fGuestCmd, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand);
160	#endif
161
162	int i_saveVisibleRegion(uint32_t cRect, PRTRECT pRect);
163	int i_handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect);
164	int i_handleQueryVisibleRegion(uint32_t *pcRects, PRTRECT paRects);
165
166	void i_VRDPConnectionEvent(bool fConnect);
167	void i_VideoAccelVRDP(bool fEnable, int c);
168
169	/* Legacy video acceleration requests coming from the VGA refresh timer. */
170	int VideoAccelEnableVGA(bool fEnable, VBVAMEMORY *pVbvaMemory);
171
172	/* Legacy video acceleration requests coming from VMMDev. */
173	int VideoAccelEnableVMMDev(bool fEnable, VBVAMEMORY *pVbvaMemory);
174	void VideoAccelFlushVMMDev(void);
175
176	void i_UpdateDeviceCursorCapabilities(void);
177
178	#ifdef VBOX_WITH_RECORDING
179	int i_recordingInvalidate(void);
180	void i_recordingScreenChanged(unsigned uScreenId);
181	#endif
182
183	void i_notifyPowerDown(void);
184
185	// DisplayMouseInterface methods
186	virtual HRESULT i_getScreenResolution(ULONG cScreen, ULONG *pcx,
187	ULONG pcy, ULONG pcBPP, LONG pXOrigin, LONG pYOrigin)
188	{
189	return getScreenResolution(cScreen, pcx, pcy, pcBPP, pXOrigin, pYOrigin, NULL);
190	}
191	virtual void i_getFramebufferDimensions(int32_t px1, int32_t py1,
192	int32_t px2, int32_t py2);
193	virtual HRESULT i_reportHostCursorCapabilities(uint32_t fCapabilitiesAdded, uint32_t fCapabilitiesRemoved);
194	virtual HRESULT i_reportHostCursorPosition(int32_t x, int32_t y, bool fOutOfRange);
195	virtual bool i_isInputMappingSet(void)
196	{
197	return cxInputMapping != 0 && cyInputMapping != 0;
198	}
199
200	static const PDMDRVREG DrvReg;
201
202	private:
203	// Wrapped IDisplay properties
204	virtual HRESULT getGuestScreenLayout(std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenLayout);
205
206	// Wrapped IDisplay methods
207	virtual HRESULT getScreenResolution(ULONG aScreenId,
208	ULONG *aWidth,
209	ULONG *aHeight,
210	ULONG *aBitsPerPixel,
211	LONG *aXOrigin,
212	LONG *aYOrigin,
213	GuestMonitorStatus_T *aGuestMonitorStatus);
214	virtual HRESULT attachFramebuffer(ULONG aScreenId,
215	const ComPtr<IFramebuffer> &aFramebuffer,
216	com::Guid &aId);
217	virtual HRESULT detachFramebuffer(ULONG aScreenId,
218	const com::Guid &aId);
219	virtual HRESULT queryFramebuffer(ULONG aScreenId,
220	ComPtr<IFramebuffer> &aFramebuffer);
221	virtual HRESULT setVideoModeHint(ULONG aDisplay,
222	BOOL aEnabled,
223	BOOL aChangeOrigin,
224	LONG aOriginX,
225	LONG aOriginY,
226	ULONG aWidth,
227	ULONG aHeight,
228	ULONG aBitsPerPixel,
229	BOOL aNotify);
230	virtual HRESULT getVideoModeHint(ULONG aDisplay,
231	BOOL *aEnabled,
232	BOOL *aChangeOrigin,
233	LONG *aOriginX,
234	LONG *aOriginY,
235	ULONG *aWidth,
236	ULONG *aHeight,
237	ULONG *aBitsPerPixel);
238	virtual HRESULT setSeamlessMode(BOOL aEnabled);
239	virtual HRESULT takeScreenShot(ULONG aScreenId,
240	BYTE *aAddress,
241	ULONG aWidth,
242	ULONG aHeight,
243	BitmapFormat_T aBitmapFormat);
244	virtual HRESULT takeScreenShotToArray(ULONG aScreenId,
245	ULONG aWidth,
246	ULONG aHeight,
247	BitmapFormat_T aBitmapFormat,
248	std::vector<BYTE> &aScreenData);
249	virtual HRESULT drawToScreen(ULONG aScreenId,
250	BYTE *aAddress,
251	ULONG aX,
252	ULONG aY,
253	ULONG aWidth,
254	ULONG aHeight);
255	virtual HRESULT invalidateAndUpdate();
256	virtual HRESULT invalidateAndUpdateScreen(ULONG aScreenId);
257	virtual HRESULT completeVHWACommand(BYTE *aCommand);
258	virtual HRESULT viewportChanged(ULONG aScreenId,
259	ULONG aX,
260	ULONG aY,
261	ULONG aWidth,
262	ULONG aHeight);
263	virtual HRESULT querySourceBitmap(ULONG aScreenId,
264	ComPtr<IDisplaySourceBitmap> &aDisplaySourceBitmap);
265	virtual HRESULT notifyScaleFactorChange(ULONG aScreenId,
266	ULONG aScaleFactorWMultiplied,
267	ULONG aScaleFactorHMultiplied);
268	virtual HRESULT notifyHiDPIOutputPolicyChange(BOOL fUnscaledHiDPI);
269	virtual HRESULT setScreenLayout(ScreenLayoutMode_T aScreenLayoutMode,
270	const std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenInfo);
271	virtual HRESULT detachScreens(const std::vector<LONG> &aScreenIds);
272	virtual HRESULT createGuestScreenInfo(ULONG aDisplay,
273	GuestMonitorStatus_T aStatus,
274	BOOL aPrimary,
275	BOOL aChangeOrigin,
276	LONG aOriginX,
277	LONG aOriginY,
278	ULONG aWidth,
279	ULONG aHeight,
280	ULONG aBitsPerPixel,
281	ComPtr<IGuestScreenInfo> &aGuestScreenInfo);
282
283	// Wrapped IEventListener properties
284
285	// Wrapped IEventListener methods
286	virtual HRESULT handleEvent(const ComPtr<IEvent> &aEvent);
287
288	// other internal methods
289	HRESULT takeScreenShotWorker(ULONG aScreenId,
290	BYTE *aAddress,
291	ULONG aWidth,
292	ULONG aHeight,
293	BitmapFormat_T aBitmapFormat,
294	ULONG *pcbOut);
295	int processVBVAResize(PCVBVAINFOVIEW pView, PCVBVAINFOSCREEN pScreen, void *pvVRAM, bool fResetInputMapping);
296
297	static DECLCALLBACK(void) i_drvQueryInterface(PPDMIBASE pInterface, const char pszIID);
298	static DECLCALLBACK(int) i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags);
299	static DECLCALLBACK(void) i_drvDestruct(PPDMDRVINS pDrvIns);
300	static DECLCALLBACK(void) i_drvPowerOff(PPDMDRVINS pDrvIns);
301	static DECLCALLBACK(int) i_displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface, uint32_t bpp, void *pvVRAM,
302	uint32_t cbLine, uint32_t cx, uint32_t cy);
303	static DECLCALLBACK(void) i_displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
304	uint32_t x, uint32_t y, uint32_t cx, uint32_t cy);
305	static DECLCALLBACK(void) i_displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface);
306	static DECLCALLBACK(void) i_displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface);
307	static DECLCALLBACK(void) i_displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled);
308	static DECLCALLBACK(void) i_displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
309	void *pvVRAM, uint32_t u32VRAMSize);
310	static DECLCALLBACK(void) i_displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
311	void *pvVRAM, unsigned uScreenId);
312
313	#ifdef VBOX_WITH_VIDEOHWACCEL
314	static DECLCALLBACK(int) i_displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, int enmCmd, bool fGuestCmd,
315	VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand);
316	#endif
317
318	#ifdef VBOX_WITH_HGSMI
319	static DECLCALLBACK(int) i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
320	VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pHostFlags);
321	static DECLCALLBACK(void) i_displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
322	static DECLCALLBACK(void) i_displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
323	static DECLCALLBACK(void) i_displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
324	struct VBVACMDHDR const RT_UNTRUSTED_VOLATILE_GUEST *pCmd, size_t cbCmd);
325	static DECLCALLBACK(void) i_displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y,
326	uint32_t cx, uint32_t cy);
327	static DECLCALLBACK(int) i_displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, PCVBVAINFOVIEW pView,
328	PCVBVAINFOSCREEN pScreen, void *pvVRAM,
329	bool fResetInputMapping);
330	static DECLCALLBACK(int) i_displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
331	uint32_t xHot, uint32_t yHot, uint32_t cx, uint32_t cy,
332	const void *pvShape);
333	static DECLCALLBACK(void) i_displayVBVAGuestCapabilityUpdate(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fCapabilities);
334
335	static DECLCALLBACK(void) i_displayVBVAInputMappingUpdate(PPDMIDISPLAYCONNECTOR pInterface, int32_t xOrigin, int32_t yOrigin,
336	uint32_t cx, uint32_t cy);
337	static DECLCALLBACK(void) i_displayVBVAReportCursorPosition(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fFlags, uint32_t uScreen, uint32_t x, uint32_t y);
338	#endif
339
340	static DECLCALLBACK(void) i_displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser);
341	static DECLCALLBACK(int) i_displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
342	static DECLCALLBACK(void) i_displaySSMSave(PSSMHANDLE pSSM, void *pvUser);
343	static DECLCALLBACK(int) i_displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass);
344
345	Console * const mParent;
346	/** Pointer to the associated display driver. */
347	struct DRVMAINDISPLAY *mpDrv;
348
349	unsigned mcMonitors;
350	/** Input mapping rectangle top left X relative to the first screen. */
351	int32_t xInputMappingOrigin;
352	/** Input mapping rectangle top left Y relative to the first screen. */
353	int32_t yInputMappingOrigin;
354	uint32_t cxInputMapping; /*< Input mapping rectangle width. /
355	uint32_t cyInputMapping; /*< Input mapping rectangle height. /
356	DISPLAYFBINFO maFramebuffers[SchemaDefs::MaxGuestMonitors];
357	/** Does the VMM device have the "supports graphics" capability set?
358	* Does not go into the saved state as it is refreshed on restore. */
359	bool mfVMMDevSupportsGraphics;
360	/** Mirror of the current guest VBVA capabilities. */
361	uint32_t mfGuestVBVACapabilities;
362	/** Mirror of the current host cursor capabilities. */
363	uint32_t mfHostCursorCapabilities;
364
365	bool mfSourceBitmapEnabled;
366	bool volatile fVGAResizing;
367
368	/** Are we in seamless mode? Not saved, as we exit seamless on saving. */
369	bool mfSeamlessEnabled;
370	/** Last set seamless visible region, number of rectangles. */
371	uint32_t mcRectVisibleRegion;
372	/** Last set seamless visible region, data. Freed on final clean-up. */
373	PRTRECT mpRectVisibleRegion;
374
375	bool mfVideoAccelVRDP;
376	uint32_t mfu32SupportedOrders;
377	/** Number of currently connected VRDP clients. */
378	int32_t volatile mcVRDPRefs;
379
380	/* The legacy VBVA data and methods. */
381	VIDEOACCEL mVideoAccelLegacy;
382
383	int i_VideoAccelEnable(bool fEnable, VBVAMEMORY *pVbvaMemory, PPDMIDISPLAYPORT pUpPort);
384	void i_VideoAccelFlush(PPDMIDISPLAYPORT pUpPort);
385	bool i_VideoAccelAllowed(void);
386
387	int i_videoAccelRefreshProcess(PPDMIDISPLAYPORT pUpPort);
388	int i_videoAccelEnable(bool fEnable, VBVAMEMORY *pVbvaMemory, PPDMIDISPLAYPORT pUpPort);
389	int i_videoAccelFlush(PPDMIDISPLAYPORT pUpPort);
390
391	/* Legacy pre-HGSMI handlers. */
392	void processAdapterData(void *pvVRAM, uint32_t u32VRAMSize);
393	void processDisplayData(void *pvVRAM, unsigned uScreenId);
394
395	/** Serializes access to mVideoAccelLegacy and mfVideoAccelVRDP, etc between VRDP and Display. */
396	RTCRITSECT mVideoAccelLock;
397
398	#ifdef VBOX_WITH_RECORDING
399	/* Serializes access to video recording source bitmaps. */
400	RTCRITSECT mVideoRecLock;
401	/** Array which defines which screens are being enabled for recording. */
402	bool maRecordingEnabled[SchemaDefs::MaxGuestMonitors];
403	#endif
404
405	public:
406
407	static int i_displayTakeScreenshotEMT(Display pDisplay, ULONG aScreenId, uint8_t ppbData, size_t pcbData,
408	uint32_t pcx, uint32_t pcy, bool *pfMemFree);
409
410	private:
411	static int i_InvalidateAndUpdateEMT(Display *pDisplay, unsigned uId, bool fUpdateAll);
412	static int i_drawToScreenEMT(Display pDisplay, ULONG aScreenId, BYTE address, ULONG x, ULONG y, ULONG width, ULONG height);
413
414	void i_updateGuestGraphicsFacility(void);
415
416	#ifdef VBOX_WITH_HGSMI
417	volatile uint32_t mu32UpdateVBVAFlags;
418	#endif
419
420	private:
421	DECLARE_CLS_COPY_CTOR_ASSIGN_NOOP(Display); /* Shuts up MSC warning C4625. */
422	};
423
424	/* The legacy VBVA helpers. */
425	int videoAccelConstruct(VIDEOACCEL *pVideoAccel);
426	void videoAccelDestroy(VIDEOACCEL *pVideoAccel);
427	void i_vbvaSetMemoryFlags(VBVAMEMORY *pVbvaMemory,
428	bool fVideoAccelEnabled,
429	bool fVideoAccelVRDP,
430	uint32_t fu32SupportedOrders,
431	DISPLAYFBINFO *paFBInfos,
432	unsigned cFBInfos);
433	int videoAccelEnterVGA(VIDEOACCEL *pVideoAccel);
434	void videoAccelLeaveVGA(VIDEOACCEL *pVideoAccel);
435	int videoAccelEnterVMMDev(VIDEOACCEL *pVideoAccel);
436	void videoAccelLeaveVMMDev(VIDEOACCEL *pVideoAccel);
437
438
439	/* helper function, code in DisplayResampleImage.cpp */
440	void BitmapScale32(uint8_t *dst, int dstW, int dstH,
441	const uint8_t *src, int iDeltaLine, int srcW, int srcH);
442
443	/* helper function, code in DisplayPNGUtul.cpp */
444	int DisplayMakePNG(uint8_t *pbData, uint32_t cx, uint32_t cy,
445	uint8_t *ppu8PNG, uint32_t pcbPNG, uint32_t pcxPNG, uint32_t pcyPNG,
446	uint8_t fLimitSize);
447
448	class ATL_NO_VTABLE DisplaySourceBitmap:
449	public DisplaySourceBitmapWrap
450	{
451	public:
452
453	DECLARE_EMPTY_CTOR_DTOR(DisplaySourceBitmap)
454
455	HRESULT FinalConstruct();
456	void FinalRelease();
457
458	/* Public initializer/uninitializer for internal purposes only. */
459	HRESULT init(ComObjPtr<Display> pDisplay, unsigned uScreenId, DISPLAYFBINFO *pFBInfo);
460	void uninit();
461
462	bool i_usesVRAM(void) { return m.pu8Allocated == NULL; }
463
464	private:
465	// wrapped IDisplaySourceBitmap properties
466	virtual HRESULT getScreenId(ULONG *aScreenId);
467
468	// wrapped IDisplaySourceBitmap methods
469	virtual HRESULT queryBitmapInfo(BYTE **aAddress,
470	ULONG *aWidth,
471	ULONG *aHeight,
472	ULONG *aBitsPerPixel,
473	ULONG *aBytesPerLine,
474	BitmapFormat_T *aBitmapFormat);
475
476	int initSourceBitmap(unsigned aScreenId, DISPLAYFBINFO *pFBInfo);
477
478	struct Data
479	{
480	ComObjPtr<Display> pDisplay;
481	unsigned uScreenId;
482	DISPLAYFBINFO *pFBInfo;
483
484	uint8_t *pu8Allocated;
485
486	uint8_t *pu8Address;
487	ULONG ulWidth;
488	ULONG ulHeight;
489	ULONG ulBitsPerPixel;
490	ULONG ulBytesPerLine;
491	BitmapFormat_T bitmapFormat;
492	};
493
494	Data m;
495	};
496
497	class ATL_NO_VTABLE GuestScreenInfo:
498	public GuestScreenInfoWrap
499	{
500	public:
501
502	DECLARE_EMPTY_CTOR_DTOR(GuestScreenInfo)
503
504	HRESULT FinalConstruct();
505	void FinalRelease();
506
507	/* Public initializer/uninitializer for internal purposes only. */
508	HRESULT init(ULONG aDisplay,
509	GuestMonitorStatus_T aGuestMonitorStatus,
510	BOOL aPrimary,
511	BOOL aChangeOrigin,
512	LONG aOriginX,
513	LONG aOriginY,
514	ULONG aWidth,
515	ULONG aHeight,
516	ULONG aBitsPerPixel);
517	void uninit();
518
519	private:
520	// wrapped IGuestScreenInfo properties
521	virtual HRESULT getScreenId(ULONG *aScreenId);
522	virtual HRESULT getGuestMonitorStatus(GuestMonitorStatus_T *aGuestMonitorStatus);
523	virtual HRESULT getPrimary(BOOL *aPrimary);
524	virtual HRESULT getOrigin(BOOL *aOrigin);
525	virtual HRESULT getOriginX(LONG *aOriginX);
526	virtual HRESULT getOriginY(LONG *aOriginY);
527	virtual HRESULT getWidth(ULONG *aWidth);
528	virtual HRESULT getHeight(ULONG *aHeight);
529	virtual HRESULT getBitsPerPixel(ULONG *aBitsPerPixel);
530	virtual HRESULT getExtendedInfo(com::Utf8Str &aExtendedInfo);
531
532	ULONG mScreenId;
533	GuestMonitorStatus_T mGuestMonitorStatus;
534	BOOL mPrimary;
535	BOOL mOrigin;
536	LONG mOriginX;
537	LONG mOriginY;
538	ULONG mWidth;
539	ULONG mHeight;
540	ULONG mBitsPerPixel;
541	};
542
543	#endif /* !MAIN_INCLUDED_DisplayImpl_h */
544	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/include/DisplayImpl.h@ 81964

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