DisplayImpl.h

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1	/* $Id: DisplayImpl.h 106061 2024-09-16 14:03:52Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2024 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	#ifdef VBOX_WITH_RECORDING
47	# include "RecordingInternals.h"
48	class RecordingContext;
49	#endif
50
51	class Console;
52
53	typedef struct _DISPLAYFBINFO
54	{
55	/* The following 3 fields (u32Offset, u32MaxFramebufferSize and u32InformationSize)
56	* are not used by the current HGSMI. They are needed for backward compatibility with
57	* pre-HGSMI additions.
58	*/
59	uint32_t u32Offset;
60	uint32_t u32MaxFramebufferSize;
61	uint32_t u32InformationSize;
62
63	ComPtr<IFramebuffer> pFramebuffer;
64	com::Guid framebufferId;
65	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
66	bool fDisabled;
67
68	uint32_t u32Caps;
69
70	struct
71	{
72	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
73	uint8_t *pu8Address;
74	uint32_t cbLine;
75	} updateImage;
76
77	LONG xOrigin;
78	LONG yOrigin;
79
80	ULONG w;
81	ULONG h;
82
83	uint16_t u16BitsPerPixel;
84	uint8_t *pu8FramebufferVRAM;
85	uint32_t u32LineSize;
86
87	uint16_t flags;
88
89	VBOXVIDEOINFOHOSTEVENTS *pHostEvents;
90
91	/** The framebuffer has default format and must be updates immediately. */
92	bool fDefaultFormat;
93
94	#ifdef VBOX_WITH_HGSMI
95	bool fVBVAEnabled;
96	bool fVBVAForceResize;
97	VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pVBVAHostFlags;
98	#endif /* VBOX_WITH_HGSMI */
99
100	/** Description of the currently plugged monitor with preferred mode,
101	* a.k.a the last mode hint sent. */
102	struct VMMDevDisplayDef monitorDesc;
103	} DISPLAYFBINFO;
104
105	/* The legacy VBVA (VideoAccel) data.
106	*
107	* Backward compatibility with the Guest Additions 3.x or older.
108	*/
109	typedef struct VIDEOACCEL
110	{
111	VBVAMEMORY *pVbvaMemory;
112	bool fVideoAccelEnabled;
113
114	uint8_t *pu8VbvaPartial;
115	uint32_t cbVbvaPartial;
116
117	/* Old Guest Additions (3.x and older) use both VMMDev and DevVGA refresh timer
118	* to process the VBVABUFFER memory. Therefore the legacy VBVA (VideoAccel) host
119	* code can be executed concurrently by VGA refresh timer and the guest VMMDev
120	* request in SMP VMs. The semaphore serialized this.
121	*/
122	RTSEMXROADS hXRoadsVideoAccel;
123
124	} VIDEOACCEL;
125
126	class DisplayMouseInterface
127	{
128	public:
129	virtual ~DisplayMouseInterface() { }
130	virtual HRESULT i_getScreenResolution(ULONG cScreen, ULONG *pcx,
131	ULONG pcy, ULONG pcBPP, LONG pXOrigin, LONG pYOrigin) = 0;
132	virtual void i_getFramebufferDimensions(int32_t px1, int32_t py1,
133	int32_t px2, int32_t py2) = 0;
134	virtual HRESULT i_reportHostCursorCapabilities(uint32_t fCapabilitiesAdded, uint32_t fCapabilitiesRemoved) = 0;
135	virtual HRESULT i_reportHostCursorPosition(int32_t x, int32_t y, bool fOutOfRange) = 0;
136	virtual bool i_isInputMappingSet(void) = 0;
137	};
138
139	class VMMDev;
140
141	class ATL_NO_VTABLE Display :
142	public DisplayWrap,
143	public DisplayMouseInterface
144	{
145	public:
146
147	DECLARE_COMMON_CLASS_METHODS(Display)
148
149	HRESULT FinalConstruct();
150	void FinalRelease();
151
152	// public initializer/uninitializer for internal purposes only
153	HRESULT init(Console *aParent);
154	void uninit();
155	int i_registerSSM(PUVM pUVM);
156
157	// public methods only for internal purposes
158	unsigned i_getMonitorCount() { return mcMonitors; }
159	int i_handleDisplayResize(unsigned uScreenId, uint32_t bpp, void *pvVRAM,
160	uint32_t cbLine, uint32_t w, uint32_t h, uint16_t flags,
161	int32_t xOrigin, int32_t yOrigin, bool fVGAResize);
162	void i_handleDisplayUpdate(unsigned uScreenId, int x, int y, int w, int h);
163	void i_handleUpdateVMMDevSupportsGraphics(bool fSupportsGraphics);
164	void i_handleUpdateGuestVBVACapabilities(uint32_t fNewCapabilities);
165	void i_handleUpdateVBVAInputMapping(int32_t xOrigin, int32_t yOrigin, uint32_t cx, uint32_t cy);
166	#ifdef VBOX_WITH_VIDEOHWACCEL
167	int i_handleVHWACommandProcess(int enmCmd, bool fGuestCmd, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand);
168	#endif
169	int i_handle3DNotifyProcess(VBOX3DNOTIFY *p3DNotify);
170
171	int i_saveVisibleRegion(uint32_t cRect, PRTRECT pRect);
172	int i_handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect);
173	int i_handleUpdateMonitorPositions(uint32_t cPositions, PCRTPOINT paPositions);
174	int i_handleQueryVisibleRegion(uint32_t *pcRects, PRTRECT paRects);
175
176	void i_VRDPConnectionEvent(bool fConnect);
177	void i_VideoAccelVRDP(bool fEnable, int c);
178
179	/* Legacy video acceleration requests coming from the VGA refresh timer. */
180	int VideoAccelEnableVGA(bool fEnable, VBVAMEMORY *pVbvaMemory);
181
182	/* Legacy video acceleration requests coming from VMMDev. */
183	int VideoAccelEnableVMMDev(bool fEnable, VBVAMEMORY *pVbvaMemory);
184	void VideoAccelFlushVMMDev(void);
185
186	void i_updateDeviceCursorCapabilities(void);
187
188	#ifdef VBOX_WITH_RECORDING
189	int i_recordingStart(void);
190	int i_recordingStop(void);
191	int i_recordingInvalidate(void);
192	int i_recordingScreenChanged(unsigned uScreenId, const DISPLAYFBINFO *pFBInfo);
193	int i_recordingScreenUpdate(unsigned uScreenId, uint8_t *pauFramebuffer, size_t cbFramebuffer, uint32_t x, uint32_t y, uint32_t w, uint32_t h, uint32_t uBytesPerLine);
194	int i_recordingScreenUpdate(unsigned uScreenId, uint32_t x, uint32_t y, uint32_t w, uint32_t h);
195	int i_recordingCursorPositionChange(unsigned uScreenId, uint32_t fFlags, int32_t x, int32_t y);
196	#endif
197
198	void i_notifyPowerDown(void);
199
200	// DisplayMouseInterface methods
201	virtual HRESULT i_getScreenResolution(ULONG cScreen, ULONG *pcx,
202	ULONG pcy, ULONG pcBPP, LONG pXOrigin, LONG pYOrigin)
203	{
204	return getScreenResolution(cScreen, pcx, pcy, pcBPP, pXOrigin, pYOrigin, NULL);
205	}
206	virtual void i_getFramebufferDimensions(int32_t px1, int32_t py1,
207	int32_t px2, int32_t py2);
208	virtual HRESULT i_reportHostCursorCapabilities(uint32_t fCapabilitiesAdded, uint32_t fCapabilitiesRemoved);
209	virtual HRESULT i_reportHostCursorPosition(int32_t x, int32_t y, bool fOutOfRange);
210	virtual bool i_isInputMappingSet(void)
211	{
212	return cxInputMapping != 0 && cyInputMapping != 0;
213	}
214
215	static const PDMDRVREG DrvReg;
216
217	private:
218	// Wrapped IDisplay properties
219	virtual HRESULT getGuestScreenLayout(std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenLayout);
220
221	// Wrapped IDisplay methods
222	virtual HRESULT getScreenResolution(ULONG aScreenId,
223	ULONG *aWidth,
224	ULONG *aHeight,
225	ULONG *aBitsPerPixel,
226	LONG *aXOrigin,
227	LONG *aYOrigin,
228	GuestMonitorStatus_T *aGuestMonitorStatus);
229	virtual HRESULT attachFramebuffer(ULONG aScreenId,
230	const ComPtr<IFramebuffer> &aFramebuffer,
231	com::Guid &aId);
232	virtual HRESULT detachFramebuffer(ULONG aScreenId,
233	const com::Guid &aId);
234	virtual HRESULT queryFramebuffer(ULONG aScreenId,
235	ComPtr<IFramebuffer> &aFramebuffer);
236	virtual HRESULT setVideoModeHint(ULONG aDisplay,
237	BOOL aEnabled,
238	BOOL aChangeOrigin,
239	LONG aOriginX,
240	LONG aOriginY,
241	ULONG aWidth,
242	ULONG aHeight,
243	ULONG aBitsPerPixel,
244	BOOL aNotify);
245	virtual HRESULT getVideoModeHint(ULONG aDisplay,
246	BOOL *aEnabled,
247	BOOL *aChangeOrigin,
248	LONG *aOriginX,
249	LONG *aOriginY,
250	ULONG *aWidth,
251	ULONG *aHeight,
252	ULONG *aBitsPerPixel);
253	virtual HRESULT setSeamlessMode(BOOL aEnabled);
254	virtual HRESULT takeScreenShot(ULONG aScreenId,
255	BYTE *aAddress,
256	ULONG aWidth,
257	ULONG aHeight,
258	BitmapFormat_T aBitmapFormat);
259	virtual HRESULT takeScreenShotToArray(ULONG aScreenId,
260	ULONG aWidth,
261	ULONG aHeight,
262	BitmapFormat_T aBitmapFormat,
263	std::vector<BYTE> &aScreenData);
264	virtual HRESULT drawToScreen(ULONG aScreenId,
265	BYTE *aAddress,
266	ULONG aX,
267	ULONG aY,
268	ULONG aWidth,
269	ULONG aHeight);
270	virtual HRESULT invalidateAndUpdate();
271	virtual HRESULT invalidateAndUpdateScreen(ULONG aScreenId);
272	virtual HRESULT completeVHWACommand(BYTE *aCommand);
273	virtual HRESULT viewportChanged(ULONG aScreenId,
274	ULONG aX,
275	ULONG aY,
276	ULONG aWidth,
277	ULONG aHeight);
278	virtual HRESULT querySourceBitmap(ULONG aScreenId,
279	ComPtr<IDisplaySourceBitmap> &aDisplaySourceBitmap);
280	virtual HRESULT notifyScaleFactorChange(ULONG aScreenId,
281	ULONG aScaleFactorWMultiplied,
282	ULONG aScaleFactorHMultiplied);
283	virtual HRESULT notifyHiDPIOutputPolicyChange(BOOL fUnscaledHiDPI);
284	virtual HRESULT setScreenLayout(ScreenLayoutMode_T aScreenLayoutMode,
285	const std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenInfo);
286	virtual HRESULT detachScreens(const std::vector<LONG> &aScreenIds);
287	virtual HRESULT createGuestScreenInfo(ULONG aDisplay,
288	GuestMonitorStatus_T aStatus,
289	BOOL aPrimary,
290	BOOL aChangeOrigin,
291	LONG aOriginX,
292	LONG aOriginY,
293	ULONG aWidth,
294	ULONG aHeight,
295	ULONG aBitsPerPixel,
296	ComPtr<IGuestScreenInfo> &aGuestScreenInfo);
297
298	// Wrapped IEventListener properties
299
300	// Wrapped IEventListener methods
301	virtual HRESULT handleEvent(const ComPtr<IEvent> &aEvent);
302
303	// other internal methods
304	HRESULT takeScreenShotWorker(ULONG aScreenId,
305	BYTE *aAddress,
306	ULONG aWidth,
307	ULONG aHeight,
308	BitmapFormat_T aBitmapFormat,
309	ULONG *pcbOut);
310	int processVBVAResize(PCVBVAINFOVIEW pView, PCVBVAINFOSCREEN pScreen, void *pvVRAM, bool fResetInputMapping);
311
312	static DECLCALLBACK(void) i_drvQueryInterface(PPDMIBASE pInterface, const char pszIID);
313	static DECLCALLBACK(int) i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags);
314	static DECLCALLBACK(void) i_drvDestruct(PPDMDRVINS pDrvIns);
315	static DECLCALLBACK(void) i_drvPowerOff(PPDMDRVINS pDrvIns);
316	static DECLCALLBACK(int) i_displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface, uint32_t bpp, void *pvVRAM,
317	uint32_t cbLine, uint32_t cx, uint32_t cy);
318	static DECLCALLBACK(void) i_displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
319	uint32_t x, uint32_t y, uint32_t cx, uint32_t cy);
320	static DECLCALLBACK(void) i_displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface);
321	static DECLCALLBACK(void) i_displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface);
322	static DECLCALLBACK(void) i_displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled);
323	static DECLCALLBACK(void) i_displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
324	void *pvVRAM, uint32_t u32VRAMSize);
325	static DECLCALLBACK(void) i_displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
326	void *pvVRAM, unsigned uScreenId);
327
328	#ifdef VBOX_WITH_VIDEOHWACCEL
329	static DECLCALLBACK(int) i_displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, int enmCmd, bool fGuestCmd,
330	VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand);
331	#endif
332	static DECLCALLBACK(int) i_display3DNotifyProcess(PPDMIDISPLAYCONNECTOR pInterface,
333	VBOX3DNOTIFY *p3DNotify);
334
335	#ifdef VBOX_WITH_HGSMI
336	static DECLCALLBACK(int) i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
337	VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pHostFlags);
338	static DECLCALLBACK(void) i_displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
339	static DECLCALLBACK(void) i_displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId);
340	static DECLCALLBACK(void) i_displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
341	struct VBVACMDHDR const RT_UNTRUSTED_VOLATILE_GUEST *pCmd, size_t cbCmd);
342	static DECLCALLBACK(void) i_displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y,
343	uint32_t cx, uint32_t cy);
344	static DECLCALLBACK(int) i_displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, PCVBVAINFOVIEW pView,
345	PCVBVAINFOSCREEN pScreen, void *pvVRAM,
346	bool fResetInputMapping);
347	static DECLCALLBACK(int) i_displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
348	uint32_t xHot, uint32_t yHot, uint32_t cx, uint32_t cy,
349	const void *pvShape);
350	static DECLCALLBACK(void) i_displayVBVAGuestCapabilityUpdate(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fCapabilities);
351
352	static DECLCALLBACK(void) i_displayVBVAInputMappingUpdate(PPDMIDISPLAYCONNECTOR pInterface, int32_t xOrigin, int32_t yOrigin,
353	uint32_t cx, uint32_t cy);
354	static DECLCALLBACK(void) i_displayVBVAReportCursorPosition(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fFlags, uint32_t uScreen, uint32_t x, uint32_t y);
355	#endif
356
357	static DECLCALLBACK(int) i_displaySSMSaveScreenshot(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser);
358	static DECLCALLBACK(int) i_displaySSMLoadScreenshot(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser,
359	uint32_t uVersion, uint32_t uPass);
360	static DECLCALLBACK(int) i_displaySSMSave(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser);
361	static DECLCALLBACK(int) i_displaySSMLoad(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser,
362	uint32_t uVersion, uint32_t uPass);
363
364	Console * const mParent;
365	/** Pointer to the associated display driver. */
366	struct DRVMAINDISPLAY *mpDrv;
367
368	unsigned mcMonitors;
369	/** Input mapping rectangle top left X relative to the first screen. */
370	int32_t xInputMappingOrigin;
371	/** Input mapping rectangle top left Y relative to the first screen. */
372	int32_t yInputMappingOrigin;
373	uint32_t cxInputMapping; /*< Input mapping rectangle width. /
374	uint32_t cyInputMapping; /*< Input mapping rectangle height. /
375	DISPLAYFBINFO maFramebuffers[SchemaDefs::MaxGuestMonitors];
376	/** Does the VMM device have the "supports graphics" capability set?
377	* Does not go into the saved state as it is refreshed on restore. */
378	bool mfVMMDevSupportsGraphics;
379	/** Mirror of the current guest VBVA capabilities. */
380	uint32_t mfGuestVBVACapabilities;
381	/** Mirror of the current host cursor capabilities. */
382	uint32_t mfHostCursorCapabilities;
383
384	bool mfSourceBitmapEnabled;
385	bool volatile fVGAResizing;
386
387	/** Are we in seamless mode? Not saved, as we exit seamless on saving. */
388	bool mfSeamlessEnabled;
389	/** Last set seamless visible region, number of rectangles. */
390	uint32_t mcRectVisibleRegion;
391	/** Last set seamless visible region, data. Freed on final clean-up. */
392	PRTRECT mpRectVisibleRegion;
393
394	bool mfVideoAccelVRDP;
395	uint32_t mfu32SupportedOrders;
396	/** Number of currently connected VRDP clients. */
397	int32_t volatile mcVRDPRefs;
398
399	/* The legacy VBVA data and methods. */
400	VIDEOACCEL mVideoAccelLegacy;
401
402	int i_VideoAccelEnable(bool fEnable, VBVAMEMORY *pVbvaMemory, PPDMIDISPLAYPORT pUpPort);
403	void i_VideoAccelFlush(PPDMIDISPLAYPORT pUpPort);
404	bool i_VideoAccelAllowed(void);
405
406	int i_videoAccelRefreshProcess(PPDMIDISPLAYPORT pUpPort);
407	int i_videoAccelEnable(bool fEnable, VBVAMEMORY *pVbvaMemory, PPDMIDISPLAYPORT pUpPort);
408	int i_videoAccelFlush(PPDMIDISPLAYPORT pUpPort);
409
410	/* Legacy pre-HGSMI handlers. */
411	void processAdapterData(void *pvVRAM, uint32_t u32VRAMSize);
412	void processDisplayData(void *pvVRAM, unsigned uScreenId);
413
414	/** Serializes access to mVideoAccelLegacy and mfVideoAccelVRDP, etc between VRDP and Display. */
415	RTCRITSECT mVideoAccelLock;
416
417	#ifdef VBOX_WITH_RECORDING
418	/** Struct which holds information and state about (video) recording. */
419	struct Recording
420	{
421	Recording()
422	: pCtx(NULL) { }
423
424	/** Recording context. Constant across lifetime.
425	* Might be NULL if not being used. */
426	RecordingContext * const pCtx;
427	} Recording;
428	#endif
429
430	#ifdef VBOX_WITH_STATISTICS
431	/** Struct for keeping STAM values. */
432	struct
433	{
434	/** Profiling Display::i_displayRefreshCallback(). */
435	STAMPROFILE profileDisplayRefreshCallback;
436	/** Statistics for monitor N. */
437	struct
438	{
439	/** Statistics for recording of monitor N. */
440	struct
441	{
442	/** Profiling recording code of monitor N. */
443	STAMPROFILE profileRecording;
444	} Recording;
445	} Monitor[SchemaDefs::MaxGuestMonitors];
446	/** Statistics for audio/video recording. */
447	struct
448	{
449	/** Profiling recording code of all active monitors. */
450	STAMPROFILE profileRecording;
451	} Recording;
452	} Stats;
453	#endif
454
455	public:
456
457	static DECLCALLBACK(int) i_displayTakeScreenshotEMT(Display pDisplay, ULONG aScreenId, uint8_t ppbData, size_t pcbData,
458	uint32_t pcx, uint32_t pcy, bool *pfMemFree);
459
460	private:
461	static DECLCALLBACK(int) i_InvalidateAndUpdateEMT(Display *pDisplay, unsigned uId, bool fUpdateAll);
462	static DECLCALLBACK(int) i_drawToScreenEMT(Display pDisplay, ULONG aScreenId, BYTE address, ULONG x, ULONG y,
463	ULONG width, ULONG height);
464
465	void i_updateGuestGraphicsFacility(void);
466
467	#ifdef VBOX_WITH_HGSMI
468	volatile uint32_t mu32UpdateVBVAFlags;
469	#endif
470
471	private:
472	DECLARE_CLS_COPY_CTOR_ASSIGN_NOOP(Display); /* Shuts up MSC warning C4625. */
473	};
474
475	/* The legacy VBVA helpers. */
476	int videoAccelConstruct(VIDEOACCEL *pVideoAccel);
477	void videoAccelDestroy(VIDEOACCEL *pVideoAccel);
478	void i_vbvaSetMemoryFlags(VBVAMEMORY *pVbvaMemory,
479	bool fVideoAccelEnabled,
480	bool fVideoAccelVRDP,
481	uint32_t fu32SupportedOrders,
482	DISPLAYFBINFO *paFBInfos,
483	unsigned cFBInfos);
484	int videoAccelEnterVGA(VIDEOACCEL *pVideoAccel);
485	void videoAccelLeaveVGA(VIDEOACCEL *pVideoAccel);
486	int videoAccelEnterVMMDev(VIDEOACCEL *pVideoAccel);
487	void videoAccelLeaveVMMDev(VIDEOACCEL *pVideoAccel);
488
489
490	/* helper function, code in DisplayResampleImage.cpp */
491	void BitmapScale32(uint8_t *dst, int dstW, int dstH,
492	const uint8_t *src, int iDeltaLine, int srcW, int srcH);
493
494	/* helper function, code in DisplayPNGUtul.cpp */
495	int DisplayMakePNG(uint8_t *pbData, uint32_t cx, uint32_t cy,
496	uint8_t *ppu8PNG, uint32_t pcbPNG, uint32_t pcxPNG, uint32_t pcyPNG,
497	uint8_t fLimitSize);
498
499	class ATL_NO_VTABLE DisplaySourceBitmap:
500	public DisplaySourceBitmapWrap
501	{
502	public:
503
504	DECLARE_COMMON_CLASS_METHODS(DisplaySourceBitmap)
505
506	HRESULT FinalConstruct();
507	void FinalRelease();
508
509	/* Public initializer/uninitializer for internal purposes only. */
510	HRESULT init(ComObjPtr<Display> pDisplay, unsigned uScreenId, DISPLAYFBINFO *pFBInfo);
511	void uninit();
512
513	bool i_usesVRAM(void) { return m.pu8Allocated == NULL; }
514
515	private:
516	// wrapped IDisplaySourceBitmap properties
517	virtual HRESULT getScreenId(ULONG *aScreenId);
518
519	// wrapped IDisplaySourceBitmap methods
520	virtual HRESULT queryBitmapInfo(BYTE **aAddress,
521	ULONG *aWidth,
522	ULONG *aHeight,
523	ULONG *aBitsPerPixel,
524	ULONG *aBytesPerLine,
525	BitmapFormat_T *aBitmapFormat);
526
527	int initSourceBitmap(unsigned aScreenId, DISPLAYFBINFO *pFBInfo);
528
529	struct Data
530	{
531	ComObjPtr<Display> pDisplay;
532	unsigned uScreenId;
533	DISPLAYFBINFO *pFBInfo;
534
535	uint8_t *pu8Allocated;
536
537	uint8_t *pu8Address;
538	ULONG ulWidth;
539	ULONG ulHeight;
540	ULONG ulBitsPerPixel;
541	ULONG ulBytesPerLine;
542	BitmapFormat_T bitmapFormat;
543	};
544
545	Data m;
546	};
547
548	class ATL_NO_VTABLE GuestScreenInfo:
549	public GuestScreenInfoWrap
550	{
551	public:
552
553	DECLARE_COMMON_CLASS_METHODS(GuestScreenInfo)
554
555	HRESULT FinalConstruct();
556	void FinalRelease();
557
558	/* Public initializer/uninitializer for internal purposes only. */
559	HRESULT init(ULONG aDisplay,
560	GuestMonitorStatus_T aGuestMonitorStatus,
561	BOOL aPrimary,
562	BOOL aChangeOrigin,
563	LONG aOriginX,
564	LONG aOriginY,
565	ULONG aWidth,
566	ULONG aHeight,
567	ULONG aBitsPerPixel);
568	void uninit();
569
570	private:
571	// wrapped IGuestScreenInfo properties
572	virtual HRESULT getScreenId(ULONG *aScreenId);
573	virtual HRESULT getGuestMonitorStatus(GuestMonitorStatus_T *aGuestMonitorStatus);
574	virtual HRESULT getPrimary(BOOL *aPrimary);
575	virtual HRESULT getOrigin(BOOL *aOrigin);
576	virtual HRESULT getOriginX(LONG *aOriginX);
577	virtual HRESULT getOriginY(LONG *aOriginY);
578	virtual HRESULT getWidth(ULONG *aWidth);
579	virtual HRESULT getHeight(ULONG *aHeight);
580	virtual HRESULT getBitsPerPixel(ULONG *aBitsPerPixel);
581	virtual HRESULT getExtendedInfo(com::Utf8Str &aExtendedInfo);
582
583	ULONG mScreenId;
584	GuestMonitorStatus_T mGuestMonitorStatus;
585	BOOL mPrimary;
586	BOOL mOrigin;
587	LONG mOriginX;
588	LONG mOriginY;
589	ULONG mWidth;
590	ULONG mHeight;
591	ULONG mBitsPerPixel;
592	};
593
594	#endif /* !MAIN_INCLUDED_DisplayImpl_h */
595	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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

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