DisplayImpl.cpp@ 96391

Last change on this file since 96391 was 96391, checked in by vboxsync, 2 years ago
Recording/Main: Removed unnecessary VPX includes from DisplayImpl.cpp. bugref:10275
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1	/* $Id: DisplayImpl.cpp 96391 2022-08-22 07:23:11Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2022 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	#define LOG_GROUP LOG_GROUP_MAIN_DISPLAY
19	#include "LoggingNew.h"
20
21	#include "DisplayImpl.h"
22	#include "DisplayUtils.h"
23	#include "ConsoleImpl.h"
24	#include "ConsoleVRDPServer.h"
25	#include "GuestImpl.h"
26	#include "VMMDev.h"
27
28	#include "AutoCaller.h"
29
30	/* generated header */
31	#include "VBoxEvents.h"
32
33	#include <iprt/semaphore.h>
34	#include <iprt/thread.h>
35	#include <iprt/asm.h>
36	#include <iprt/time.h>
37	#include <iprt/cpp/utils.h>
38	#include <iprt/alloca.h>
39
40	#include <VBox/vmm/vmmr3vtable.h>
41	#include <VBox/vmm/pdmdrv.h>
42
43	#ifdef VBOX_WITH_VIDEOHWACCEL
44	# include <VBoxVideo.h>
45	#endif
46	#include <VBoxVideo3D.h>
47
48	#include <VBox/com/array.h>
49
50	#ifdef VBOX_WITH_RECORDING
51	# include <iprt/path.h>
52	# include "Recording.h"
53
54	# include <VBox/vmm/pdmapi.h>
55	# include <VBox/vmm/pdmaudioifs.h>
56	#endif
57
58	/**
59	* Display driver instance data.
60	*
61	* @implements PDMIDISPLAYCONNECTOR
62	*/
63	typedef struct DRVMAINDISPLAY
64	{
65	/** Pointer to the display object. */
66	Display *pDisplay;
67	/** Pointer to the driver instance structure. */
68	PPDMDRVINS pDrvIns;
69	/** Pointer to the display port interface of the driver/device above us. */
70	PPDMIDISPLAYPORT pUpPort;
71	/** Our display connector interface. */
72	PDMIDISPLAYCONNECTOR IConnector;
73	#if defined(VBOX_WITH_VIDEOHWACCEL)
74	/** VBVA callbacks */
75	PPDMIDISPLAYVBVACALLBACKS pVBVACallbacks;
76	#endif
77	} DRVMAINDISPLAY, *PDRVMAINDISPLAY;
78
79	/** Converts PDMIDISPLAYCONNECTOR pointer to a DRVMAINDISPLAY pointer. */
80	#define PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface) RT_FROM_MEMBER(pInterface, DRVMAINDISPLAY, IConnector)
81
82	// constructor / destructor
83	/////////////////////////////////////////////////////////////////////////////
84
85	Display::Display()
86	: mParent(NULL)
87	{
88	}
89
90	Display::~Display()
91	{
92	}
93
94
95	HRESULT Display::FinalConstruct()
96	{
97	int vrc = videoAccelConstruct(&mVideoAccelLegacy);
98	AssertRC(vrc);
99
100	mfVideoAccelVRDP = false;
101	mfu32SupportedOrders = 0;
102	mcVRDPRefs = 0;
103
104	mfSeamlessEnabled = false;
105	mpRectVisibleRegion = NULL;
106	mcRectVisibleRegion = 0;
107
108	mpDrv = NULL;
109
110	vrc = RTCritSectInit(&mVideoAccelLock);
111	AssertRC(vrc);
112
113	#ifdef VBOX_WITH_HGSMI
114	mu32UpdateVBVAFlags = 0;
115	mfVMMDevSupportsGraphics = false;
116	mfGuestVBVACapabilities = 0;
117	mfHostCursorCapabilities = 0;
118	#endif
119
120	#ifdef VBOX_WITH_RECORDING
121	vrc = RTCritSectInit(&mVideoRecLock);
122	AssertRC(vrc);
123
124	for (unsigned i = 0; i < RT_ELEMENTS(maRecordingEnabled); i++)
125	maRecordingEnabled[i] = true;
126	#endif
127
128	return BaseFinalConstruct();
129	}
130
131	void Display::FinalRelease()
132	{
133	uninit();
134
135	#ifdef VBOX_WITH_RECORDING
136	if (RTCritSectIsInitialized(&mVideoRecLock))
137	{
138	RTCritSectDelete(&mVideoRecLock);
139	RT_ZERO(mVideoRecLock);
140	}
141	#endif
142
143	videoAccelDestroy(&mVideoAccelLegacy);
144	i_saveVisibleRegion(0, NULL);
145
146	if (RTCritSectIsInitialized(&mVideoAccelLock))
147	{
148	RTCritSectDelete(&mVideoAccelLock);
149	RT_ZERO(mVideoAccelLock);
150	}
151
152	BaseFinalRelease();
153	}
154
155	// public initializer/uninitializer for internal purposes only
156	/////////////////////////////////////////////////////////////////////////////
157
158	#define kMaxSizeThumbnail 64
159
160	/**
161	* Save thumbnail and screenshot of the guest screen.
162	*/
163	static int displayMakeThumbnail(uint8_t *pbData, uint32_t cx, uint32_t cy,
164	uint8_t *ppu8Thumbnail, uint32_t pcbThumbnail, uint32_t pcxThumbnail, uint32_t pcyThumbnail)
165	{
166	int vrc = VINF_SUCCESS;
167
168	uint8_t *pu8Thumbnail = NULL;
169	uint32_t cbThumbnail = 0;
170	uint32_t cxThumbnail = 0;
171	uint32_t cyThumbnail = 0;
172
173	if (cx > cy)
174	{
175	cxThumbnail = kMaxSizeThumbnail;
176	cyThumbnail = (kMaxSizeThumbnail * cy) / cx;
177	}
178	else
179	{
180	cyThumbnail = kMaxSizeThumbnail;
181	cxThumbnail = (kMaxSizeThumbnail * cx) / cy;
182	}
183
184	LogRelFlowFunc(("%dx%d -> %dx%d\n", cx, cy, cxThumbnail, cyThumbnail));
185
186	cbThumbnail = cxThumbnail * 4 * cyThumbnail;
187	pu8Thumbnail = (uint8_t *)RTMemAlloc(cbThumbnail);
188
189	if (pu8Thumbnail)
190	{
191	uint8_t *dst = pu8Thumbnail;
192	uint8_t *src = pbData;
193	int dstW = cxThumbnail;
194	int dstH = cyThumbnail;
195	int srcW = cx;
196	int srcH = cy;
197	int iDeltaLine = cx * 4;
198
199	BitmapScale32(dst,
200	dstW, dstH,
201	src,
202	iDeltaLine,
203	srcW, srcH);
204
205	*ppu8Thumbnail = pu8Thumbnail;
206	*pcbThumbnail = cbThumbnail;
207	*pcxThumbnail = cxThumbnail;
208	*pcyThumbnail = cyThumbnail;
209	}
210	else
211	{
212	vrc = VERR_NO_MEMORY;
213	}
214
215	return vrc;
216	}
217
218	/**
219	* @callback_method_impl{FNSSMEXTSAVEEXEC}
220	*/
221	DECLCALLBACK(int) Display::i_displaySSMSaveScreenshot(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser)
222	{
223	Display * const pThat = static_cast<Display *>(pvUser);
224	AssertPtrReturn(pThat, VERR_INVALID_POINTER);
225
226	/* 32bpp small RGB image. */
227	uint8_t *pu8Thumbnail = NULL;
228	uint32_t cbThumbnail = 0;
229	uint32_t cxThumbnail = 0;
230	uint32_t cyThumbnail = 0;
231
232	/* PNG screenshot. */
233	uint8_t *pu8PNG = NULL;
234	uint32_t cbPNG = 0;
235	uint32_t cxPNG = 0;
236	uint32_t cyPNG = 0;
237
238	Console::SafeVMPtr ptrVM(pThat->mParent);
239	if (ptrVM.isOk())
240	{
241	/* Query RGB bitmap. */
242	/* SSM code is executed on EMT(0), therefore no need to use VMR3ReqCallWait. */
243	uint8_t *pbData = NULL;
244	size_t cbData = 0;
245	uint32_t cx = 0;
246	uint32_t cy = 0;
247	bool fFreeMem = false;
248	int vrc = Display::i_displayTakeScreenshotEMT(pThat, VBOX_VIDEO_PRIMARY_SCREEN, &pbData, &cbData, &cx, &cy, &fFreeMem);
249
250	/*
251	* It is possible that success is returned but everything is 0 or NULL.
252	* (no display attached if a VM is running with VBoxHeadless on OSE for example)
253	*/
254	if (RT_SUCCESS(vrc) && pbData)
255	{
256	Assert(cx && cy);
257
258	/* Prepare a small thumbnail and a PNG screenshot. */
259	displayMakeThumbnail(pbData, cx, cy, &pu8Thumbnail, &cbThumbnail, &cxThumbnail, &cyThumbnail);
260	vrc = DisplayMakePNG(pbData, cx, cy, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 1);
261	if (RT_FAILURE(vrc))
262	{
263	if (pu8PNG)
264	{
265	RTMemFree(pu8PNG);
266	pu8PNG = NULL;
267	}
268	cbPNG = 0;
269	cxPNG = 0;
270	cyPNG = 0;
271	}
272
273	if (fFreeMem)
274	RTMemFree(pbData);
275	else
276	pThat->mpDrv->pUpPort->pfnFreeScreenshot(pThat->mpDrv->pUpPort, pbData);
277	}
278	}
279	else
280	{
281	LogFunc(("Failed to get VM pointer 0x%x\n", ptrVM.rc()));
282	}
283
284	/* Regardless of rc, save what is available:
285	* Data format:
286	* uint32_t cBlocks;
287	* [blocks]
288	*
289	* Each block is:
290	* uint32_t cbBlock; if 0 - no 'block data'.
291	* uint32_t typeOfBlock; 0 - 32bpp RGB bitmap, 1 - PNG, ignored if 'cbBlock' is 0.
292	* [block data]
293	*
294	* Block data for bitmap and PNG:
295	* uint32_t cx;
296	* uint32_t cy;
297	* [image data]
298	*/
299	pVMM->pfnSSMR3PutU32(pSSM, 2); /* Write thumbnail and PNG screenshot. */
300
301	/* First block. */
302	pVMM->pfnSSMR3PutU32(pSSM, (uint32_t)(cbThumbnail + 2 * sizeof(uint32_t)));
303	pVMM->pfnSSMR3PutU32(pSSM, 0); /* Block type: thumbnail. */
304
305	if (cbThumbnail)
306	{
307	pVMM->pfnSSMR3PutU32(pSSM, cxThumbnail);
308	pVMM->pfnSSMR3PutU32(pSSM, cyThumbnail);
309	pVMM->pfnSSMR3PutMem(pSSM, pu8Thumbnail, cbThumbnail);
310	}
311
312	/* Second block. */
313	pVMM->pfnSSMR3PutU32(pSSM, (uint32_t)(cbPNG + 2 * sizeof(uint32_t)));
314	pVMM->pfnSSMR3PutU32(pSSM, 1); /* Block type: png. */
315
316	if (cbPNG)
317	{
318	pVMM->pfnSSMR3PutU32(pSSM, cxPNG);
319	pVMM->pfnSSMR3PutU32(pSSM, cyPNG);
320	pVMM->pfnSSMR3PutMem(pSSM, pu8PNG, cbPNG);
321	}
322
323	RTMemFree(pu8PNG);
324	RTMemFree(pu8Thumbnail);
325
326	return VINF_SUCCESS;
327	}
328
329	/**
330	* @callback_method_impl{FNSSMEXTLOADEXEC}
331	*/
332	DECLCALLBACK(int)
333	Display::i_displaySSMLoadScreenshot(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser, uint32_t uVersion, uint32_t uPass)
334	{
335	Display * const pThat = static_cast<Display *>(pvUser);
336	AssertPtrReturn(pThat, VERR_INVALID_POINTER);
337	Assert(uPass == SSM_PASS_FINAL); RT_NOREF_PV(uPass);
338
339	if (uVersion != sSSMDisplayScreenshotVer)
340	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
341
342	/* Skip data. */
343	uint32_t cBlocks;
344	int vrc = pVMM->pfnSSMR3GetU32(pSSM, &cBlocks);
345	AssertRCReturn(vrc, vrc);
346
347	for (uint32_t i = 0; i < cBlocks; i++)
348	{
349	uint32_t cbBlock;
350	vrc = pVMM->pfnSSMR3GetU32(pSSM, &cbBlock);
351	AssertRCReturn(vrc, vrc);
352
353	uint32_t typeOfBlock;
354	vrc = pVMM->pfnSSMR3GetU32(pSSM, &typeOfBlock);
355	AssertRCReturn(vrc, vrc);
356
357	LogRelFlowFunc(("[%d] type %d, size %d bytes\n", i, typeOfBlock, cbBlock));
358
359	/* Note: displaySSMSaveScreenshot writes size of a block = 8 and
360	* do not write any data if the image size was 0.
361	*/
362	/** @todo Fix and increase saved state version. */
363	if (cbBlock > 2 * sizeof(uint32_t))
364	{
365	vrc = pVMM->pfnSSMR3Skip(pSSM, cbBlock);
366	AssertRCReturn(vrc, vrc);
367	}
368	}
369
370	return vrc;
371	}
372
373	/**
374	* @callback_method_impl{FNSSMEXTSAVEEXEC, Save some important guest state}
375	*/
376	/static/ DECLCALLBACK(int)
377	Display::i_displaySSMSave(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser)
378	{
379	Display * const pThat = static_cast<Display *>(pvUser);
380	AssertPtrReturn(pThat, VERR_INVALID_POINTER);
381
382	pVMM->pfnSSMR3PutU32(pSSM, pThat->mcMonitors);
383	for (unsigned i = 0; i < pThat->mcMonitors; i++)
384	{
385	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].u32Offset);
386	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].u32MaxFramebufferSize);
387	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].u32InformationSize);
388	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].w);
389	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].h);
390	pVMM->pfnSSMR3PutS32(pSSM, pThat->maFramebuffers[i].xOrigin);
391	pVMM->pfnSSMR3PutS32(pSSM, pThat->maFramebuffers[i].yOrigin);
392	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].flags);
393	}
394	pVMM->pfnSSMR3PutS32(pSSM, pThat->xInputMappingOrigin);
395	pVMM->pfnSSMR3PutS32(pSSM, pThat->yInputMappingOrigin);
396	pVMM->pfnSSMR3PutU32(pSSM, pThat->cxInputMapping);
397	pVMM->pfnSSMR3PutU32(pSSM, pThat->cyInputMapping);
398	pVMM->pfnSSMR3PutU32(pSSM, pThat->mfGuestVBVACapabilities);
399	return pVMM->pfnSSMR3PutU32(pSSM, pThat->mfHostCursorCapabilities);
400	}
401
402	/**
403	* @callback_method_impl{FNSSMEXTLOADEXEC, Load some important guest state}
404	*/
405	/static/ DECLCALLBACK(int)
406	Display::i_displaySSMLoad(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser, uint32_t uVersion, uint32_t uPass)
407	{
408	Display * const pThat = static_cast<Display *>(pvUser);
409	AssertPtrReturn(pThat, VERR_INVALID_POINTER);
410
411	if ( uVersion != sSSMDisplayVer
412	&& uVersion != sSSMDisplayVer2
413	&& uVersion != sSSMDisplayVer3
414	&& uVersion != sSSMDisplayVer4
415	&& uVersion != sSSMDisplayVer5)
416	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
417	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
418
419	uint32_t cMonitors;
420	int vrc = pVMM->pfnSSMR3GetU32(pSSM, &cMonitors);
421	AssertRCReturn(vrc, vrc);
422	if (cMonitors != pThat->mcMonitors)
423	return pVMM->pfnSSMR3SetCfgError(pSSM, RT_SRC_POS, N_("Number of monitors changed (%d->%d)!"), cMonitors, pThat->mcMonitors);
424
425	for (uint32_t i = 0; i < cMonitors; i++)
426	{
427	pVMM->pfnSSMR3GetU32(pSSM, &pThat->maFramebuffers[i].u32Offset);
428	pVMM->pfnSSMR3GetU32(pSSM, &pThat->maFramebuffers[i].u32MaxFramebufferSize);
429	pVMM->pfnSSMR3GetU32(pSSM, &pThat->maFramebuffers[i].u32InformationSize);
430	if ( uVersion == sSSMDisplayVer2
431	\|\| uVersion == sSSMDisplayVer3
432	\|\| uVersion == sSSMDisplayVer4
433	\|\| uVersion == sSSMDisplayVer5)
434	{
435	uint32_t w;
436	uint32_t h;
437	pVMM->pfnSSMR3GetU32(pSSM, &w);
438	vrc = pVMM->pfnSSMR3GetU32(pSSM, &h);
439	AssertRCReturn(vrc, vrc);
440	pThat->maFramebuffers[i].w = w;
441	pThat->maFramebuffers[i].h = h;
442	}
443	if ( uVersion == sSSMDisplayVer3
444	\|\| uVersion == sSSMDisplayVer4
445	\|\| uVersion == sSSMDisplayVer5)
446	{
447	int32_t xOrigin;
448	int32_t yOrigin;
449	uint32_t flags;
450	pVMM->pfnSSMR3GetS32(pSSM, &xOrigin);
451	pVMM->pfnSSMR3GetS32(pSSM, &yOrigin);
452	vrc = pVMM->pfnSSMR3GetU32(pSSM, &flags);
453	AssertRCReturn(vrc, vrc);
454	pThat->maFramebuffers[i].xOrigin = xOrigin;
455	pThat->maFramebuffers[i].yOrigin = yOrigin;
456	pThat->maFramebuffers[i].flags = (uint16_t)flags;
457	pThat->maFramebuffers[i].fDisabled = (pThat->maFramebuffers[i].flags & VBVA_SCREEN_F_DISABLED) != 0;
458	}
459	}
460	if ( uVersion == sSSMDisplayVer4
461	\|\| uVersion == sSSMDisplayVer5)
462	{
463	pVMM->pfnSSMR3GetS32(pSSM, &pThat->xInputMappingOrigin);
464	pVMM->pfnSSMR3GetS32(pSSM, &pThat->yInputMappingOrigin);
465	pVMM->pfnSSMR3GetU32(pSSM, &pThat->cxInputMapping);
466	pVMM->pfnSSMR3GetU32(pSSM, &pThat->cyInputMapping);
467	}
468	if (uVersion == sSSMDisplayVer5)
469	{
470	pVMM->pfnSSMR3GetU32(pSSM, &pThat->mfGuestVBVACapabilities);
471	pVMM->pfnSSMR3GetU32(pSSM, &pThat->mfHostCursorCapabilities);
472	}
473
474	return VINF_SUCCESS;
475	}
476
477	/**
478	* Initializes the display object.
479	*
480	* @returns COM result indicator
481	* @param aParent handle of our parent object
482	*/
483	HRESULT Display::init(Console *aParent)
484	{
485	ComAssertRet(aParent, E_INVALIDARG);
486	/* Enclose the state transition NotReady->InInit->Ready */
487	AutoInitSpan autoInitSpan(this);
488	AssertReturn(autoInitSpan.isOk(), E_FAIL);
489
490	unconst(mParent) = aParent;
491
492	mfSourceBitmapEnabled = true;
493	fVGAResizing = false;
494
495	ComPtr<IGraphicsAdapter> pGraphicsAdapter;
496	HRESULT hrc = mParent->i_machine()->COMGETTER(GraphicsAdapter)(pGraphicsAdapter.asOutParam());
497	AssertComRCReturnRC(hrc);
498	AssertReturn(!pGraphicsAdapter.isNull(), E_FAIL);
499
500	ULONG ul;
501	pGraphicsAdapter->COMGETTER(MonitorCount)(&ul);
502	mcMonitors = ul;
503	xInputMappingOrigin = 0;
504	yInputMappingOrigin = 0;
505	cxInputMapping = 0;
506	cyInputMapping = 0;
507
508	for (ul = 0; ul < mcMonitors; ul++)
509	{
510	maFramebuffers[ul].u32Offset = 0;
511	maFramebuffers[ul].u32MaxFramebufferSize = 0;
512	maFramebuffers[ul].u32InformationSize = 0;
513
514	maFramebuffers[ul].pFramebuffer = NULL;
515	/* All secondary monitors are disabled at startup. */
516	maFramebuffers[ul].fDisabled = ul > 0;
517
518	maFramebuffers[ul].u32Caps = 0;
519
520	maFramebuffers[ul].updateImage.pu8Address = NULL;
521	maFramebuffers[ul].updateImage.cbLine = 0;
522
523	maFramebuffers[ul].xOrigin = 0;
524	maFramebuffers[ul].yOrigin = 0;
525
526	maFramebuffers[ul].w = 0;
527	maFramebuffers[ul].h = 0;
528
529	maFramebuffers[ul].flags = maFramebuffers[ul].fDisabled? VBVA_SCREEN_F_DISABLED: 0;
530
531	maFramebuffers[ul].u16BitsPerPixel = 0;
532	maFramebuffers[ul].pu8FramebufferVRAM = NULL;
533	maFramebuffers[ul].u32LineSize = 0;
534
535	maFramebuffers[ul].pHostEvents = NULL;
536
537	maFramebuffers[ul].fDefaultFormat = false;
538
539	#ifdef VBOX_WITH_HGSMI
540	maFramebuffers[ul].fVBVAEnabled = false;
541	maFramebuffers[ul].fVBVAForceResize = false;
542	maFramebuffers[ul].pVBVAHostFlags = NULL;
543	#endif /* VBOX_WITH_HGSMI */
544	}
545
546	{
547	// register listener for state change events
548	ComPtr<IEventSource> es;
549	mParent->COMGETTER(EventSource)(es.asOutParam());
550	com::SafeArray<VBoxEventType_T> eventTypes;
551	eventTypes.push_back(VBoxEventType_OnStateChanged);
552	es->RegisterListener(this, ComSafeArrayAsInParam(eventTypes), true);
553	}
554
555	/* Confirm a successful initialization */
556	autoInitSpan.setSucceeded();
557
558	return S_OK;
559	}
560
561	/**
562	* Uninitializes the instance and sets the ready flag to FALSE.
563	* Called either from FinalRelease() or by the parent when it gets destroyed.
564	*/
565	void Display::uninit()
566	{
567	LogRelFlowFunc(("this=%p\n", this));
568
569	/* Enclose the state transition Ready->InUninit->NotReady */
570	AutoUninitSpan autoUninitSpan(this);
571	if (autoUninitSpan.uninitDone())
572	return;
573
574	unsigned uScreenId;
575	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
576	{
577	maFramebuffers[uScreenId].pSourceBitmap.setNull();
578	maFramebuffers[uScreenId].updateImage.pSourceBitmap.setNull();
579	maFramebuffers[uScreenId].updateImage.pu8Address = NULL;
580	maFramebuffers[uScreenId].updateImage.cbLine = 0;
581	maFramebuffers[uScreenId].pFramebuffer.setNull();
582	#ifdef VBOX_WITH_RECORDING
583	maFramebuffers[uScreenId].Recording.pSourceBitmap.setNull();
584	#endif
585	}
586
587	if (mParent)
588	{
589	ComPtr<IEventSource> es;
590	mParent->COMGETTER(EventSource)(es.asOutParam());
591	es->UnregisterListener(this);
592	}
593
594	unconst(mParent) = NULL;
595
596	if (mpDrv)
597	mpDrv->pDisplay = NULL;
598
599	mpDrv = NULL;
600	}
601
602	/**
603	* Register the SSM methods. Called by the power up thread to be able to
604	* pass pVM
605	*/
606	int Display::i_registerSSM(PUVM pUVM)
607	{
608	PCVMMR3VTABLE const pVMM = mParent->i_getVMMVTable();
609	AssertPtrReturn(pVMM, VERR_INTERNAL_ERROR_3);
610
611	/* Version 2 adds width and height of the framebuffer; version 3 adds
612	* the framebuffer offset in the virtual desktop and the framebuffer flags;
613	* version 4 adds guest to host input event mapping and version 5 adds
614	* guest VBVA and host cursor capabilities.
615	*/
616	int vrc = pVMM->pfnSSMR3RegisterExternal(pUVM, "DisplayData", 0, sSSMDisplayVer5,
617	mcMonitors * sizeof(uint32_t) * 8 + sizeof(uint32_t),
618	NULL, NULL, NULL,
619	NULL, i_displaySSMSave, NULL,
620	NULL, i_displaySSMLoad, NULL, this);
621	AssertRCReturn(vrc, vrc);
622
623	/*
624	* Register loaders for old saved states where iInstance was
625	* 3 * sizeof(uint32_t *) due to a code mistake.
626	*/
627	vrc = pVMM->pfnSSMR3RegisterExternal(pUVM, "DisplayData", 12 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
628	NULL, NULL, NULL,
629	NULL, NULL, NULL,
630	NULL, i_displaySSMLoad, NULL, this);
631	AssertRCReturn(vrc, vrc);
632
633	vrc = pVMM->pfnSSMR3RegisterExternal(pUVM, "DisplayData", 24 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
634	NULL, NULL, NULL,
635	NULL, NULL, NULL,
636	NULL, i_displaySSMLoad, NULL, this);
637	AssertRCReturn(vrc, vrc);
638
639	/* uInstance is an arbitrary value greater than 1024. Such a value will ensure a quick seek in saved state file. */
640	vrc = pVMM->pfnSSMR3RegisterExternal(pUVM, "DisplayScreenshot", 1100 /uInstance/, sSSMDisplayScreenshotVer, 0 /cbGuess/,
641	NULL, NULL, NULL,
642	NULL, i_displaySSMSaveScreenshot, NULL,
643	NULL, i_displaySSMLoadScreenshot, NULL, this);
644
645	AssertRCReturn(vrc, vrc);
646
647	return VINF_SUCCESS;
648	}
649
650	// public methods only for internal purposes
651	/////////////////////////////////////////////////////////////////////////////
652
653	/**
654	* Handles display resize event.
655	*
656	* @param uScreenId Screen ID
657	* @param bpp New bits per pixel.
658	* @param pvVRAM VRAM pointer.
659	* @param cbLine New bytes per line.
660	* @param w New display width.
661	* @param h New display height.
662	* @param flags Flags of the new video mode.
663	* @param xOrigin New display origin X.
664	* @param yOrigin New display origin Y.
665	* @param fVGAResize Whether the resize is originated from the VGA device (DevVGA).
666	*/
667	int Display::i_handleDisplayResize(unsigned uScreenId, uint32_t bpp, void *pvVRAM,
668	uint32_t cbLine, uint32_t w, uint32_t h, uint16_t flags,
669	int32_t xOrigin, int32_t yOrigin, bool fVGAResize)
670	{
671	LogRel2(("Display::i_handleDisplayResize: uScreenId=%d pvVRAM=%p w=%d h=%d bpp=%d cbLine=0x%X flags=0x%X\n", uScreenId,
672	pvVRAM, w, h, bpp, cbLine, flags));
673
674	/* Caller must not hold the object lock. */
675	AssertReturn(!isWriteLockOnCurrentThread(), VERR_INVALID_STATE);
676
677	/* Note: the old code checked if the video mode was actually changed and
678	* did not invalidate the source bitmap if the mode did not change.
679	* The new code always invalidates the source bitmap, i.e. it will
680	* notify the frontend even if nothing actually changed.
681	*
682	* Implementing the filtering is possible but might lead to pfnSetRenderVRAM races
683	* between this method and QuerySourceBitmap. Such races can be avoided by implementing
684	* the @todo below.
685	*/
686
687	/* Make sure that the VGA device does not access the source bitmap. */
688	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && mpDrv)
689	{
690	/// @todo It is probably more convenient to implement
691	// mpDrv->pUpPort->pfnSetOutputBitmap(pvVRAM, cbScanline, cBits, cx, cy, bool fSet);
692	// and remove IConnector.pbData, cbScanline, cBits, cx, cy.
693	// fSet = false disables rendering and VGA can check
694	// if it is already rendering to a different bitmap, avoiding
695	// enable/disable rendering races.
696	mpDrv->pUpPort->pfnSetRenderVRAM(mpDrv->pUpPort, false);
697
698	mpDrv->IConnector.pbData = NULL;
699	mpDrv->IConnector.cbScanline = 0;
700	mpDrv->IConnector.cBits = 32; /* DevVGA does not work with cBits == 0. */
701	mpDrv->IConnector.cx = 0;
702	mpDrv->IConnector.cy = 0;
703	}
704
705	/* Update maFramebuffers[uScreenId] under lock. */
706	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
707
708	if (uScreenId >= mcMonitors)
709	{
710	LogRel(("Display::i_handleDisplayResize: mcMonitors=%u < uScreenId=%u (pvVRAM=%p w=%u h=%u bpp=%d cbLine=0x%X flags=0x%X)\n",
711	mcMonitors, uScreenId, pvVRAM, w, h, bpp, cbLine, flags));
712	return VINF_SUCCESS;
713	}
714
715	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
716
717	/* Whether the monitor position has changed.
718	* A resize initiated by the VGA device does not change the monitor position.
719	*/
720	const bool fNewOrigin = !fVGAResize
721	&& ( pFBInfo->xOrigin != xOrigin
722	\|\| pFBInfo->yOrigin != yOrigin);
723
724	/* The event for disabled->enabled transition.
725	* VGA resizes also come when the guest uses VBVA mode. They do not affect pFBInfo->fDisabled.
726	* The primary screen is re-enabled when the guest leaves the VBVA mode in i_displayVBVADisable.
727	*/
728	const bool fGuestMonitorChangedEvent = !fVGAResize
729	&& (pFBInfo->fDisabled != RT_BOOL(flags & VBVA_SCREEN_F_DISABLED));
730
731	/* Reset the update mode. */
732	pFBInfo->updateImage.pSourceBitmap.setNull();
733	pFBInfo->updateImage.pu8Address = NULL;
734	pFBInfo->updateImage.cbLine = 0;
735
736	/* Release the current source bitmap. */
737	pFBInfo->pSourceBitmap.setNull();
738
739	/* VGA blanking is signaled as w=0, h=0, bpp=0 and cbLine=0, and it's
740	* best to keep the old resolution, as otherwise the window size would
741	* change before the new resolution is known. */
742	const bool fVGABlank = fVGAResize && uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
743	&& w == 0 && h == 0 && bpp == 0 && cbLine == 0;
744	if (fVGABlank)
745	{
746	w = pFBInfo->w;
747	h = pFBInfo->h;
748	}
749
750	/* Log changes. */
751	if ( pFBInfo->w != w
752	\|\| pFBInfo->h != h
753	\|\| pFBInfo->u32LineSize != cbLine
754	/\|\| pFBInfo->pu8FramebufferVRAM != (uint8_t )pvVRAM - too noisy */
755	\|\| ( !fVGAResize
756	&& ( pFBInfo->xOrigin != xOrigin
757	\|\| pFBInfo->yOrigin != yOrigin
758	\|\| pFBInfo->flags != flags)))
759	LogRel(("Display::i_handleDisplayResize: uScreenId=%d pvVRAM=%p w=%d h=%d bpp=%d cbLine=0x%X flags=0x%X origin=%d,%d\n",
760	uScreenId, pvVRAM, w, h, bpp, cbLine, flags, xOrigin, yOrigin));
761
762	/* Update the video mode information. */
763	pFBInfo->w = w;
764	pFBInfo->h = h;
765	pFBInfo->u16BitsPerPixel = (uint16_t)bpp;
766	pFBInfo->pu8FramebufferVRAM = (uint8_t *)pvVRAM;
767	pFBInfo->u32LineSize = cbLine;
768	if (!fVGAResize)
769	{
770	/* Fields which are not used in not VBVA modes and not affected by a VGA resize. */
771	pFBInfo->flags = flags;
772	pFBInfo->xOrigin = xOrigin;
773	pFBInfo->yOrigin = yOrigin;
774	pFBInfo->fDisabled = RT_BOOL(flags & VBVA_SCREEN_F_DISABLED);
775	pFBInfo->fVBVAForceResize = false;
776	}
777	else
778	{
779	pFBInfo->flags = VBVA_SCREEN_F_ACTIVE;
780	if (fVGABlank)
781	pFBInfo->flags \|= VBVA_SCREEN_F_BLANK;
782	pFBInfo->fDisabled = false;
783	}
784
785	/* Prepare local vars for the notification code below. */
786	ComPtr<IFramebuffer> pFramebuffer = pFBInfo->pFramebuffer;
787	const bool fDisabled = pFBInfo->fDisabled;
788
789	alock.release();
790
791	if (!pFramebuffer.isNull())
792	{
793	HRESULT hr = pFramebuffer->NotifyChange(uScreenId, 0, 0, w, h); /** @todo origin */
794	LogFunc(("NotifyChange hr %08X\n", hr));
795	NOREF(hr);
796	}
797
798	if (fGuestMonitorChangedEvent)
799	{
800	if (fDisabled)
801	::FireGuestMonitorChangedEvent(mParent->i_getEventSource(),
802	GuestMonitorChangedEventType_Disabled, uScreenId, 0, 0, 0, 0);
803	else
804	::FireGuestMonitorChangedEvent(mParent->i_getEventSource(),
805	GuestMonitorChangedEventType_Enabled, uScreenId, xOrigin, yOrigin, w, h);
806	}
807
808	if (fNewOrigin)
809	::FireGuestMonitorChangedEvent(mParent->i_getEventSource(),
810	GuestMonitorChangedEventType_NewOrigin, uScreenId, xOrigin, yOrigin, 0, 0);
811
812	/* Inform the VRDP server about the change of display parameters. */
813	LogRelFlowFunc(("Calling VRDP\n"));
814	mParent->i_consoleVRDPServer()->SendResize();
815
816	/* And re-send the seamless rectangles if necessary. */
817	if (mfSeamlessEnabled)
818	i_handleSetVisibleRegion(mcRectVisibleRegion, mpRectVisibleRegion);
819
820	#ifdef VBOX_WITH_RECORDING
821	i_recordingScreenChanged(uScreenId);
822	#endif
823
824	LogRelFlowFunc(("[%d]: default format %d\n", uScreenId, pFBInfo->fDefaultFormat));
825
826	return VINF_SUCCESS;
827	}
828
829	static void i_checkCoordBounds(int px, int py, int pw, int ph, int cx, int cy)
830	{
831	/* Correct negative x and y coordinates. */
832	if (*px < 0)
833	{
834	px += pw; /* Compute xRight which is also the new width. */
835
836	pw = (px < 0)? 0: *px;
837
838	*px = 0;
839	}
840
841	if (*py < 0)
842	{
843	py += ph; /* Compute xBottom, which is also the new height. */
844
845	ph = (py < 0)? 0: *py;
846
847	*py = 0;
848	}
849
850	/* Also check if coords are greater than the display resolution. */
851	if (px + pw > cx)
852	{
853	pw = cx > px? cx - *px: 0;
854	}
855
856	if (py + ph > cy)
857	{
858	ph = cy > py? cy - *py: 0;
859	}
860	}
861
862	void Display::i_handleDisplayUpdate(unsigned uScreenId, int x, int y, int w, int h)
863	{
864	/*
865	* Always runs under either VBVA lock or, for HGSMI, DevVGA lock.
866	* Safe to use VBVA vars and take the framebuffer lock.
867	*/
868
869	#ifdef DEBUG_sunlover
870	LogFlowFunc(("[%d] %d,%d %dx%d\n",
871	uScreenId, x, y, w, h));
872	#endif /* DEBUG_sunlover */
873
874	/* No updates for a disabled guest screen. */
875	if (maFramebuffers[uScreenId].fDisabled)
876	return;
877
878	/* No updates for a blank guest screen. */
879	/** @note Disabled for now, as the GUI does not update the picture when we
880	* first blank. */
881	/* if (maFramebuffers[uScreenId].flags & VBVA_SCREEN_F_BLANK)
882	return; */
883
884	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
885	AutoReadLock alockr(this COMMA_LOCKVAL_SRC_POS);
886
887	ComPtr<IFramebuffer> pFramebuffer = pFBInfo->pFramebuffer;
888	ComPtr<IDisplaySourceBitmap> pSourceBitmap = pFBInfo->updateImage.pSourceBitmap;
889
890	alockr.release();
891
892	if (RT_LIKELY(!pFramebuffer.isNull()))
893	{
894	if (RT_LIKELY(!RT_BOOL(pFBInfo->u32Caps & FramebufferCapabilities_UpdateImage)))
895	{
896	i_checkCoordBounds(&x, &y, &w, &h, pFBInfo->w, pFBInfo->h);
897
898	if (w != 0 && h != 0)
899	{
900	pFramebuffer->NotifyUpdate(x, y, w, h);
901	}
902	}
903	else
904	{
905	if (RT_LIKELY(!pSourceBitmap.isNull()))
906	{ /* likely */ }
907	else
908	{
909	/* Create a source bitmap if UpdateImage mode is used. */
910	HRESULT hr = QuerySourceBitmap(uScreenId, pSourceBitmap.asOutParam());
911	if (SUCCEEDED(hr))
912	{
913	BYTE *pAddress = NULL;
914	ULONG ulWidth = 0;
915	ULONG ulHeight = 0;
916	ULONG ulBitsPerPixel = 0;
917	ULONG ulBytesPerLine = 0;
918	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
919
920	hr = pSourceBitmap->QueryBitmapInfo(&pAddress,
921	&ulWidth,
922	&ulHeight,
923	&ulBitsPerPixel,
924	&ulBytesPerLine,
925	&bitmapFormat);
926	if (SUCCEEDED(hr))
927	{
928	AutoWriteLock alockw(this COMMA_LOCKVAL_SRC_POS);
929
930	if (pFBInfo->updateImage.pSourceBitmap.isNull())
931	{
932	pFBInfo->updateImage.pSourceBitmap = pSourceBitmap;
933	pFBInfo->updateImage.pu8Address = pAddress;
934	pFBInfo->updateImage.cbLine = ulBytesPerLine;
935	}
936
937	pSourceBitmap = pFBInfo->updateImage.pSourceBitmap;
938
939	alockw.release();
940	}
941	}
942	}
943
944	if (RT_LIKELY(!pSourceBitmap.isNull()))
945	{
946	BYTE *pbAddress = NULL;
947	ULONG ulWidth = 0;
948	ULONG ulHeight = 0;
949	ULONG ulBitsPerPixel = 0;
950	ULONG ulBytesPerLine = 0;
951	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
952
953	HRESULT hr = pSourceBitmap->QueryBitmapInfo(&pbAddress,
954	&ulWidth,
955	&ulHeight,
956	&ulBitsPerPixel,
957	&ulBytesPerLine,
958	&bitmapFormat);
959	if (SUCCEEDED(hr))
960	{
961	/* Make sure that the requested update is within the source bitmap dimensions. */
962	i_checkCoordBounds(&x, &y, &w, &h, ulWidth, ulHeight);
963
964	if (w != 0 && h != 0)
965	{
966	const size_t cbData = w * h * 4;
967	com::SafeArray<BYTE> image(cbData);
968
969	uint8_t *pu8Dst = image.raw();
970	const uint8_t pu8Src = pbAddress + ulBytesPerLine y + x * 4;
971
972	int i;
973	for (i = y; i < y + h; ++i)
974	{
975	memcpy(pu8Dst, pu8Src, w * 4);
976	pu8Dst += w * 4;
977	pu8Src += ulBytesPerLine;
978	}
979
980	pFramebuffer->NotifyUpdateImage(x, y, w, h, ComSafeArrayAsInParam(image));
981	}
982	}
983	}
984	}
985	}
986
987	#ifndef VBOX_WITH_HGSMI
988	if (!mVideoAccelLegacy.fVideoAccelEnabled)
989	#else
990	if (!mVideoAccelLegacy.fVideoAccelEnabled && !maFramebuffers[uScreenId].fVBVAEnabled)
991	#endif
992	{
993	/* When VBVA is enabled, the VRDP server is informed
994	* either in VideoAccelFlush or displayVBVAUpdateProcess.
995	* Inform the server here only if VBVA is disabled.
996	*/
997	mParent->i_consoleVRDPServer()->SendUpdateBitmap(uScreenId, x, y, w, h);
998	}
999	}
1000
1001	void Display::i_updateGuestGraphicsFacility(void)
1002	{
1003	Guest* pGuest = mParent->i_getGuest();
1004	AssertPtrReturnVoid(pGuest);
1005	/* The following is from GuestImpl.cpp. */
1006	/** @todo A nit: The timestamp is wrong on saved state restore. Would be better
1007	* to move the graphics and seamless capability -> facility translation to
1008	* VMMDev so this could be saved. */
1009	RTTIMESPEC TimeSpecTS;
1010	RTTimeNow(&TimeSpecTS);
1011
1012	if ( mfVMMDevSupportsGraphics
1013	\|\| (mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS) != 0)
1014	pGuest->i_setAdditionsStatus(VBoxGuestFacilityType_Graphics,
1015	VBoxGuestFacilityStatus_Active,
1016	0 /fFlags/, &TimeSpecTS);
1017	else
1018	pGuest->i_setAdditionsStatus(VBoxGuestFacilityType_Graphics,
1019	VBoxGuestFacilityStatus_Inactive,
1020	0 /fFlags/, &TimeSpecTS);
1021	}
1022
1023	void Display::i_handleUpdateVMMDevSupportsGraphics(bool fSupportsGraphics)
1024	{
1025	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1026	if (mfVMMDevSupportsGraphics == fSupportsGraphics)
1027	return;
1028	mfVMMDevSupportsGraphics = fSupportsGraphics;
1029	i_updateGuestGraphicsFacility();
1030	/* The VMMDev interface notifies the console. */
1031	}
1032
1033	void Display::i_handleUpdateGuestVBVACapabilities(uint32_t fNewCapabilities)
1034	{
1035	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1036	bool fNotify = (fNewCapabilities & VBVACAPS_VIDEO_MODE_HINTS) != (mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS);
1037
1038	mfGuestVBVACapabilities = fNewCapabilities;
1039	if (!fNotify)
1040	return;
1041	i_updateGuestGraphicsFacility();
1042	/* Tell the console about it */
1043	mParent->i_onAdditionsStateChange();
1044	}
1045
1046	void Display::i_handleUpdateVBVAInputMapping(int32_t xOrigin, int32_t yOrigin, uint32_t cx, uint32_t cy)
1047	{
1048	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1049
1050	xInputMappingOrigin = xOrigin;
1051	yInputMappingOrigin = yOrigin;
1052	cxInputMapping = cx;
1053	cyInputMapping = cy;
1054
1055	/* Re-send the seamless rectangles if necessary. */
1056	if (mfSeamlessEnabled)
1057	i_handleSetVisibleRegion(mcRectVisibleRegion, mpRectVisibleRegion);
1058	}
1059
1060	/**
1061	* Returns the upper left and lower right corners of the virtual framebuffer.
1062	* The lower right is "exclusive" (i.e. first pixel beyond the framebuffer),
1063	* and the origin is (0, 0), not (1, 1) like the GUI returns.
1064	*/
1065	void Display::i_getFramebufferDimensions(int32_t px1, int32_t py1,
1066	int32_t px2, int32_t py2)
1067	{
1068	int32_t x1 = 0, y1 = 0, x2 = 0, y2 = 0;
1069	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1070
1071	AssertPtrReturnVoid(px1);
1072	AssertPtrReturnVoid(py1);
1073	AssertPtrReturnVoid(px2);
1074	AssertPtrReturnVoid(py2);
1075	LogRelFlowFunc(("\n"));
1076
1077	if (!mpDrv)
1078	return;
1079
1080	if (maFramebuffers[0].fVBVAEnabled && cxInputMapping && cyInputMapping)
1081	{
1082	/* Guest uses VBVA with explicit mouse mapping dimensions. */
1083	x1 = xInputMappingOrigin;
1084	y1 = yInputMappingOrigin;
1085	x2 = xInputMappingOrigin + cxInputMapping;
1086	y2 = yInputMappingOrigin + cyInputMapping;
1087	}
1088	else
1089	{
1090	/* If VBVA is not in use then this flag will not be set and this
1091	* will still work as it should. */
1092	if (!maFramebuffers[0].fDisabled)
1093	{
1094	x1 = (int32_t)maFramebuffers[0].xOrigin;
1095	y1 = (int32_t)maFramebuffers[0].yOrigin;
1096	x2 = (int32_t)maFramebuffers[0].w + (int32_t)maFramebuffers[0].xOrigin;
1097	y2 = (int32_t)maFramebuffers[0].h + (int32_t)maFramebuffers[0].yOrigin;
1098	}
1099
1100	for (unsigned i = 1; i < mcMonitors; ++i)
1101	{
1102	if (!maFramebuffers[i].fDisabled)
1103	{
1104	x1 = RT_MIN(x1, maFramebuffers[i].xOrigin);
1105	y1 = RT_MIN(y1, maFramebuffers[i].yOrigin);
1106	x2 = RT_MAX(x2, maFramebuffers[i].xOrigin + (int32_t)maFramebuffers[i].w);
1107	y2 = RT_MAX(y2, maFramebuffers[i].yOrigin + (int32_t)maFramebuffers[i].h);
1108	}
1109	}
1110	}
1111
1112	*px1 = x1;
1113	*py1 = y1;
1114	*px2 = x2;
1115	*py2 = y2;
1116	}
1117
1118	/** Updates the device's view of the host cursor handling capabilities.
1119	* Calls into mpDrv->pUpPort. */
1120	void Display::i_UpdateDeviceCursorCapabilities(void)
1121	{
1122	bool fRenderCursor = true;
1123	bool fMoveCursor = mcVRDPRefs == 0;
1124	#ifdef VBOX_WITH_RECORDING
1125	RecordingContext *pCtx = mParent->i_recordingGetContext();
1126
1127	if ( pCtx
1128	&& pCtx->IsStarted()
1129	&& pCtx->IsFeatureEnabled(RecordingFeature_Video))
1130	fRenderCursor = fMoveCursor = false;
1131	else
1132	#endif /* VBOX_WITH_RECORDING */
1133	{
1134	for (unsigned uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1135	{
1136	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1137	if (!(pFBInfo->u32Caps & FramebufferCapabilities_RenderCursor))
1138	fRenderCursor = false;
1139	if (!(pFBInfo->u32Caps & FramebufferCapabilities_MoveCursor))
1140	fMoveCursor = false;
1141	}
1142	}
1143
1144	if (mpDrv)
1145	mpDrv->pUpPort->pfnReportHostCursorCapabilities(mpDrv->pUpPort, fRenderCursor, fMoveCursor);
1146	}
1147
1148	HRESULT Display::i_reportHostCursorCapabilities(uint32_t fCapabilitiesAdded, uint32_t fCapabilitiesRemoved)
1149	{
1150	/* Do we need this to access mParent? I presume that the safe VM pointer
1151	* ensures that mpDrv will remain valid. */
1152	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1153	uint32_t fHostCursorCapabilities = (mfHostCursorCapabilities \| fCapabilitiesAdded)
1154	& ~fCapabilitiesRemoved;
1155
1156	Console::SafeVMPtr ptrVM(mParent);
1157	if (!ptrVM.isOk())
1158	return ptrVM.rc();
1159	if (mfHostCursorCapabilities == fHostCursorCapabilities)
1160	return S_OK;
1161	CHECK_CONSOLE_DRV(mpDrv);
1162	alock.release(); /* Release before calling up for lock order reasons. */
1163	mfHostCursorCapabilities = fHostCursorCapabilities;
1164	i_UpdateDeviceCursorCapabilities();
1165	return S_OK;
1166	}
1167
1168	HRESULT Display::i_reportHostCursorPosition(int32_t x, int32_t y, bool fOutOfRange)
1169	{
1170	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1171	uint32_t xAdj = (uint32_t)RT_MAX(x - xInputMappingOrigin, 0);
1172	uint32_t yAdj = (uint32_t)RT_MAX(y - yInputMappingOrigin, 0);
1173	xAdj = RT_MIN(xAdj, cxInputMapping);
1174	yAdj = RT_MIN(yAdj, cyInputMapping);
1175
1176	Console::SafeVMPtr ptrVM(mParent);
1177	if (!ptrVM.isOk())
1178	return ptrVM.rc();
1179	CHECK_CONSOLE_DRV(mpDrv);
1180	alock.release(); /* Release before calling up for lock order reasons. */
1181	if (fOutOfRange)
1182	mpDrv->pUpPort->pfnReportHostCursorPosition(mpDrv->pUpPort, 0, 0, true);
1183	else
1184	mpDrv->pUpPort->pfnReportHostCursorPosition(mpDrv->pUpPort, xAdj, yAdj, false);
1185	return S_OK;
1186	}
1187
1188	static bool displayIntersectRect(RTRECT *prectResult,
1189	const RTRECT *prect1,
1190	const RTRECT *prect2)
1191	{
1192	/* Initialize result to an empty record. */
1193	memset(prectResult, 0, sizeof(RTRECT));
1194
1195	int xLeftResult = RT_MAX(prect1->xLeft, prect2->xLeft);
1196	int xRightResult = RT_MIN(prect1->xRight, prect2->xRight);
1197
1198	if (xLeftResult < xRightResult)
1199	{
1200	/* There is intersection by X. */
1201
1202	int yTopResult = RT_MAX(prect1->yTop, prect2->yTop);
1203	int yBottomResult = RT_MIN(prect1->yBottom, prect2->yBottom);
1204
1205	if (yTopResult < yBottomResult)
1206	{
1207	/* There is intersection by Y. */
1208
1209	prectResult->xLeft = xLeftResult;
1210	prectResult->yTop = yTopResult;
1211	prectResult->xRight = xRightResult;
1212	prectResult->yBottom = yBottomResult;
1213
1214	return true;
1215	}
1216	}
1217
1218	return false;
1219	}
1220
1221	int Display::i_saveVisibleRegion(uint32_t cRect, PRTRECT pRect)
1222	{
1223	RTRECT *pRectVisibleRegion = NULL;
1224
1225	if (pRect == mpRectVisibleRegion)
1226	return VINF_SUCCESS;
1227	if (cRect != 0)
1228	{
1229	pRectVisibleRegion = (RTRECT )RTMemAlloc(cRect sizeof(RTRECT));
1230	if (!pRectVisibleRegion)
1231	{
1232	return VERR_NO_MEMORY;
1233	}
1234	memcpy(pRectVisibleRegion, pRect, cRect * sizeof(RTRECT));
1235	}
1236	if (mpRectVisibleRegion)
1237	RTMemFree(mpRectVisibleRegion);
1238	mcRectVisibleRegion = cRect;
1239	mpRectVisibleRegion = pRectVisibleRegion;
1240	return VINF_SUCCESS;
1241	}
1242
1243	int Display::i_handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect)
1244	{
1245	RTRECT pVisibleRegion = (RTRECT )RTMemTmpAlloc( RT_MAX(cRect, 1)
1246	* sizeof(RTRECT));
1247	LogRel2(("%s: cRect=%u\n", __PRETTY_FUNCTION__, cRect));
1248	if (!pVisibleRegion)
1249	{
1250	return VERR_NO_TMP_MEMORY;
1251	}
1252	int vrc = i_saveVisibleRegion(cRect, pRect);
1253	if (RT_FAILURE(vrc))
1254	{
1255	RTMemTmpFree(pVisibleRegion);
1256	return vrc;
1257	}
1258
1259	unsigned uScreenId;
1260	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1261	{
1262	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1263
1264	if ( !pFBInfo->pFramebuffer.isNull()
1265	&& RT_BOOL(pFBInfo->u32Caps & FramebufferCapabilities_VisibleRegion))
1266	{
1267	/* Prepare a new array of rectangles which intersect with the framebuffer.
1268	*/
1269	RTRECT rectFramebuffer;
1270	rectFramebuffer.xLeft = pFBInfo->xOrigin - xInputMappingOrigin;
1271	rectFramebuffer.yTop = pFBInfo->yOrigin - yInputMappingOrigin;
1272	rectFramebuffer.xRight = rectFramebuffer.xLeft + pFBInfo->w;
1273	rectFramebuffer.yBottom = rectFramebuffer.yTop + pFBInfo->h;
1274
1275	uint32_t cRectVisibleRegion = 0;
1276
1277	uint32_t i;
1278	for (i = 0; i < cRect; i++)
1279	{
1280	if (displayIntersectRect(&pVisibleRegion[cRectVisibleRegion], &pRect[i], &rectFramebuffer))
1281	{
1282	pVisibleRegion[cRectVisibleRegion].xLeft -= rectFramebuffer.xLeft;
1283	pVisibleRegion[cRectVisibleRegion].yTop -= rectFramebuffer.yTop;
1284	pVisibleRegion[cRectVisibleRegion].xRight -= rectFramebuffer.xLeft;
1285	pVisibleRegion[cRectVisibleRegion].yBottom -= rectFramebuffer.yTop;
1286
1287	cRectVisibleRegion++;
1288	}
1289	}
1290	pFBInfo->pFramebuffer->SetVisibleRegion((BYTE *)pVisibleRegion, cRectVisibleRegion);
1291	}
1292	}
1293
1294	RTMemTmpFree(pVisibleRegion);
1295
1296	return VINF_SUCCESS;
1297	}
1298
1299	int Display::i_handleUpdateMonitorPositions(uint32_t cPositions, PCRTPOINT paPositions)
1300	{
1301	AssertMsgReturn(paPositions, ("Empty monitor position array\n"), E_INVALIDARG);
1302	for (unsigned i = 0; i < cPositions; ++i)
1303	LogRel2(("Display::i_handleUpdateMonitorPositions: uScreenId=%d xOrigin=%d yOrigin=%dX\n",
1304	i, paPositions[i].x, paPositions[i].y));
1305
1306	if (mpDrv && mpDrv->pUpPort->pfnReportMonitorPositions)
1307	mpDrv->pUpPort->pfnReportMonitorPositions(mpDrv->pUpPort, cPositions, paPositions);
1308	return VINF_SUCCESS;
1309	}
1310
1311	int Display::i_handleQueryVisibleRegion(uint32_t *pcRects, PRTRECT paRects)
1312	{
1313	/// @todo Currently not used by the guest and is not implemented in
1314	/// framebuffers. Remove?
1315	RT_NOREF(pcRects, paRects);
1316	return VERR_NOT_SUPPORTED;
1317	}
1318
1319	#ifdef VBOX_WITH_HGSMI
1320	static void vbvaSetMemoryFlagsHGSMI(unsigned uScreenId,
1321	uint32_t fu32SupportedOrders,
1322	bool fVideoAccelVRDP,
1323	DISPLAYFBINFO *pFBInfo)
1324	{
1325	LogRelFlowFunc(("HGSMI[%d]: %p\n", uScreenId, pFBInfo->pVBVAHostFlags));
1326
1327	if (pFBInfo->pVBVAHostFlags)
1328	{
1329	uint32_t fu32HostEvents = VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1330
1331	if (pFBInfo->fVBVAEnabled)
1332	{
1333	fu32HostEvents \|= VBVA_F_MODE_ENABLED;
1334
1335	if (fVideoAccelVRDP)
1336	{
1337	fu32HostEvents \|= VBVA_F_MODE_VRDP;
1338	}
1339	}
1340
1341	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32HostEvents, fu32HostEvents);
1342	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32SupportedOrders, fu32SupportedOrders);
1343
1344	LogRelFlowFunc((" fu32HostEvents = 0x%08X, fu32SupportedOrders = 0x%08X\n", fu32HostEvents, fu32SupportedOrders));
1345	}
1346	}
1347
1348	static void vbvaSetMemoryFlagsAllHGSMI(uint32_t fu32SupportedOrders,
1349	bool fVideoAccelVRDP,
1350	DISPLAYFBINFO *paFBInfos,
1351	unsigned cFBInfos)
1352	{
1353	unsigned uScreenId;
1354
1355	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1356	{
1357	vbvaSetMemoryFlagsHGSMI(uScreenId, fu32SupportedOrders, fVideoAccelVRDP, &paFBInfos[uScreenId]);
1358	}
1359	}
1360	#endif /* VBOX_WITH_HGSMI */
1361
1362	int Display::VideoAccelEnableVMMDev(bool fEnable, VBVAMEMORY *pVbvaMemory)
1363	{
1364	LogFlowFunc(("%d %p\n", fEnable, pVbvaMemory));
1365	int vrc = videoAccelEnterVMMDev(&mVideoAccelLegacy);
1366	if (RT_SUCCESS(vrc))
1367	{
1368	vrc = i_VideoAccelEnable(fEnable, pVbvaMemory, mpDrv->pUpPort);
1369	videoAccelLeaveVMMDev(&mVideoAccelLegacy);
1370	}
1371	LogFlowFunc(("leave %Rrc\n", vrc));
1372	return vrc;
1373	}
1374
1375	int Display::VideoAccelEnableVGA(bool fEnable, VBVAMEMORY *pVbvaMemory)
1376	{
1377	LogFlowFunc(("%d %p\n", fEnable, pVbvaMemory));
1378	int vrc = videoAccelEnterVGA(&mVideoAccelLegacy);
1379	if (RT_SUCCESS(vrc))
1380	{
1381	vrc = i_VideoAccelEnable(fEnable, pVbvaMemory, mpDrv->pUpPort);
1382	videoAccelLeaveVGA(&mVideoAccelLegacy);
1383	}
1384	LogFlowFunc(("leave %Rrc\n", vrc));
1385	return vrc;
1386	}
1387
1388	void Display::VideoAccelFlushVMMDev(void)
1389	{
1390	LogFlowFunc(("enter\n"));
1391	int vrc = videoAccelEnterVMMDev(&mVideoAccelLegacy);
1392	if (RT_SUCCESS(vrc))
1393	{
1394	i_VideoAccelFlush(mpDrv->pUpPort);
1395	videoAccelLeaveVMMDev(&mVideoAccelLegacy);
1396	}
1397	LogFlowFunc(("leave\n"));
1398	}
1399
1400	/* Called always by one VRDP server thread. Can be thread-unsafe.
1401	*/
1402	void Display::i_VRDPConnectionEvent(bool fConnect)
1403	{
1404	LogRelFlowFunc(("fConnect = %d\n", fConnect));
1405
1406	int c = fConnect?
1407	ASMAtomicIncS32(&mcVRDPRefs):
1408	ASMAtomicDecS32(&mcVRDPRefs);
1409
1410	i_VideoAccelVRDP(fConnect, c);
1411	i_UpdateDeviceCursorCapabilities();
1412	}
1413
1414
1415	void Display::i_VideoAccelVRDP(bool fEnable, int c)
1416	{
1417	VIDEOACCEL *pVideoAccel = &mVideoAccelLegacy;
1418
1419	Assert (c >= 0);
1420	RT_NOREF(fEnable);
1421
1422	/* This can run concurrently with Display videoaccel state change. */
1423	RTCritSectEnter(&mVideoAccelLock);
1424
1425	if (c == 0)
1426	{
1427	/* The last client has disconnected, and the accel can be
1428	* disabled.
1429	*/
1430	Assert(fEnable == false);
1431
1432	mfVideoAccelVRDP = false;
1433	mfu32SupportedOrders = 0;
1434
1435	i_vbvaSetMemoryFlags(pVideoAccel->pVbvaMemory, pVideoAccel->fVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders,
1436	maFramebuffers, mcMonitors);
1437	#ifdef VBOX_WITH_HGSMI
1438	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1439	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1440	#endif /* VBOX_WITH_HGSMI */
1441
1442	LogRel(("VBVA: VRDP acceleration has been disabled.\n"));
1443	}
1444	else if ( c == 1
1445	&& !mfVideoAccelVRDP)
1446	{
1447	/* The first client has connected. Enable the accel.
1448	*/
1449	Assert(fEnable == true);
1450
1451	mfVideoAccelVRDP = true;
1452	/* Supporting all orders. */
1453	mfu32SupportedOrders = UINT32_MAX;
1454
1455	i_vbvaSetMemoryFlags(pVideoAccel->pVbvaMemory, pVideoAccel->fVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders,
1456	maFramebuffers, mcMonitors);
1457	#ifdef VBOX_WITH_HGSMI
1458	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1459	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1460	#endif /* VBOX_WITH_HGSMI */
1461
1462	LogRel(("VBVA: VRDP acceleration has been requested.\n"));
1463	}
1464	else
1465	{
1466	/* A client is connected or disconnected but there is no change in the
1467	* accel state. It remains enabled.
1468	*/
1469	Assert(mfVideoAccelVRDP == true);
1470	}
1471
1472	RTCritSectLeave(&mVideoAccelLock);
1473	}
1474
1475	void Display::i_notifyPowerDown(void)
1476	{
1477	LogRelFlowFunc(("\n"));
1478
1479	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1480
1481	/* Source bitmaps are not available anymore. */
1482	mfSourceBitmapEnabled = false;
1483
1484	alock.release();
1485
1486	/* Resize all displays to tell framebuffers to forget current source bitmap. */
1487	unsigned uScreenId = mcMonitors;
1488	while (uScreenId > 0)
1489	{
1490	--uScreenId;
1491
1492	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1493	if (!pFBInfo->fDisabled)
1494	{
1495	i_handleDisplayResize(uScreenId, 32,
1496	pFBInfo->pu8FramebufferVRAM,
1497	pFBInfo->u32LineSize,
1498	pFBInfo->w,
1499	pFBInfo->h,
1500	pFBInfo->flags,
1501	pFBInfo->xOrigin,
1502	pFBInfo->yOrigin,
1503	false);
1504	}
1505	}
1506	}
1507
1508	// Wrapped IDisplay methods
1509	/////////////////////////////////////////////////////////////////////////////
1510	HRESULT Display::getScreenResolution(ULONG aScreenId, ULONG aWidth, ULONG aHeight, ULONG *aBitsPerPixel,
1511	LONG aXOrigin, LONG aYOrigin, GuestMonitorStatus_T *aGuestMonitorStatus)
1512	{
1513	LogRelFlowFunc(("aScreenId=%RU32\n", aScreenId));
1514
1515	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1516
1517	if (aScreenId >= mcMonitors)
1518	return E_INVALIDARG;
1519
1520	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1521
1522	GuestMonitorStatus_T guestMonitorStatus = GuestMonitorStatus_Enabled;
1523
1524	if (pFBInfo->flags & VBVA_SCREEN_F_DISABLED)
1525	guestMonitorStatus = GuestMonitorStatus_Disabled;
1526	else if (pFBInfo->flags & (VBVA_SCREEN_F_BLANK \| VBVA_SCREEN_F_BLANK2))
1527	guestMonitorStatus = GuestMonitorStatus_Blank;
1528
1529	if (aWidth)
1530	*aWidth = pFBInfo->w;
1531	if (aHeight)
1532	*aHeight = pFBInfo->h;
1533	if (aBitsPerPixel)
1534	*aBitsPerPixel = pFBInfo->u16BitsPerPixel;
1535	if (aXOrigin)
1536	*aXOrigin = pFBInfo->xOrigin;
1537	if (aYOrigin)
1538	*aYOrigin = pFBInfo->yOrigin;
1539	if (aGuestMonitorStatus)
1540	*aGuestMonitorStatus = guestMonitorStatus;
1541
1542	return S_OK;
1543	}
1544
1545
1546	HRESULT Display::attachFramebuffer(ULONG aScreenId, const ComPtr<IFramebuffer> &aFramebuffer, com::Guid &aId)
1547	{
1548	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
1549
1550	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1551
1552	if (aScreenId >= mcMonitors)
1553	return setError(E_INVALIDARG, tr("AttachFramebuffer: Invalid screen %d (total %d)"),
1554	aScreenId, mcMonitors);
1555
1556	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1557	if (!pFBInfo->pFramebuffer.isNull())
1558	return setError(E_FAIL, tr("AttachFramebuffer: Framebuffer already attached to %d"),
1559	aScreenId);
1560
1561	pFBInfo->pFramebuffer = aFramebuffer;
1562	pFBInfo->framebufferId.create();
1563	aId = pFBInfo->framebufferId;
1564
1565	SafeArray<FramebufferCapabilities_T> caps;
1566	pFBInfo->pFramebuffer->COMGETTER(Capabilities)(ComSafeArrayAsOutParam(caps));
1567	pFBInfo->u32Caps = 0;
1568	size_t i;
1569	for (i = 0; i < caps.size(); ++i)
1570	pFBInfo->u32Caps \|= caps[i];
1571
1572	alock.release();
1573
1574	/* The driver might not have been constructed yet */
1575	if (mpDrv)
1576	{
1577	/* Inform the framebuffer about the actual screen size. */
1578	HRESULT hr = aFramebuffer->NotifyChange(aScreenId, 0, 0, pFBInfo->w, pFBInfo->h); /** @todo origin */
1579	LogFunc(("NotifyChange hr %08X\n", hr)); NOREF(hr);
1580
1581	/* Re-send the seamless rectangles if necessary. */
1582	if (mfSeamlessEnabled)
1583	i_handleSetVisibleRegion(mcRectVisibleRegion, mpRectVisibleRegion);
1584	}
1585
1586	Console::SafeVMPtrQuiet ptrVM(mParent);
1587	if (ptrVM.isOk())
1588	ptrVM.vtable()->pfnVMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
1589	3, this, aScreenId, false);
1590
1591	LogRelFlowFunc(("Attached to %d %RTuuid\n", aScreenId, aId.raw()));
1592	return S_OK;
1593	}
1594
1595	HRESULT Display::detachFramebuffer(ULONG aScreenId, const com::Guid &aId)
1596	{
1597	LogRelFlowFunc(("aScreenId = %d %RTuuid\n", aScreenId, aId.raw()));
1598
1599	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1600
1601	if (aScreenId >= mcMonitors)
1602	return setError(E_INVALIDARG, tr("DetachFramebuffer: Invalid screen %d (total %d)"),
1603	aScreenId, mcMonitors);
1604
1605	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1606
1607	if (pFBInfo->framebufferId != aId)
1608	{
1609	LogRelFlowFunc(("Invalid framebuffer aScreenId = %d, attached %p\n", aScreenId, pFBInfo->framebufferId.raw()));
1610	return setError(E_FAIL, tr("DetachFramebuffer: Invalid framebuffer object"));
1611	}
1612
1613	pFBInfo->pFramebuffer.setNull();
1614	pFBInfo->framebufferId.clear();
1615
1616	alock.release();
1617	return S_OK;
1618	}
1619
1620	HRESULT Display::queryFramebuffer(ULONG aScreenId, ComPtr<IFramebuffer> &aFramebuffer)
1621	{
1622	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
1623
1624	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1625
1626	if (aScreenId >= mcMonitors)
1627	return setError(E_INVALIDARG, tr("QueryFramebuffer: Invalid screen %d (total %d)"),
1628	aScreenId, mcMonitors);
1629
1630	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1631
1632	pFBInfo->pFramebuffer.queryInterfaceTo(aFramebuffer.asOutParam());
1633
1634	return S_OK;
1635	}
1636
1637	HRESULT Display::setVideoModeHint(ULONG aDisplay, BOOL aEnabled,
1638	BOOL aChangeOrigin, LONG aOriginX, LONG aOriginY,
1639	ULONG aWidth, ULONG aHeight, ULONG aBitsPerPixel,
1640	BOOL aNotify)
1641	{
1642	if (aWidth == 0 \|\| aHeight == 0 \|\| aBitsPerPixel == 0)
1643	{
1644	/* Some of parameters must not change. Query current mode. */
1645	ULONG ulWidth = 0;
1646	ULONG ulHeight = 0;
1647	ULONG ulBitsPerPixel = 0;
1648	HRESULT hr = getScreenResolution(aDisplay, &ulWidth, &ulHeight, &ulBitsPerPixel, NULL, NULL, NULL);
1649	if (FAILED(hr))
1650	return hr;
1651
1652	/* Assign current values to not changing parameters. */
1653	if (aWidth == 0)
1654	aWidth = ulWidth;
1655	if (aHeight == 0)
1656	aHeight = ulHeight;
1657	if (aBitsPerPixel == 0)
1658	aBitsPerPixel = ulBitsPerPixel;
1659	}
1660
1661	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1662
1663	if (aDisplay >= mcMonitors)
1664	return E_INVALIDARG;
1665
1666	VMMDevDisplayDef d;
1667	d.idDisplay = aDisplay;
1668	d.xOrigin = aOriginX;
1669	d.yOrigin = aOriginY;
1670	d.cx = aWidth;
1671	d.cy = aHeight;
1672	d.cBitsPerPixel = aBitsPerPixel;
1673	d.fDisplayFlags = VMMDEV_DISPLAY_CX \| VMMDEV_DISPLAY_CY \| VMMDEV_DISPLAY_BPP;
1674	if (!aEnabled)
1675	d.fDisplayFlags \|= VMMDEV_DISPLAY_DISABLED;
1676	if (aChangeOrigin)
1677	d.fDisplayFlags \|= VMMDEV_DISPLAY_ORIGIN;
1678	if (aDisplay == 0)
1679	d.fDisplayFlags \|= VMMDEV_DISPLAY_PRIMARY;
1680
1681	/* Remember the monitor information. */
1682	maFramebuffers[aDisplay].monitorDesc = d;
1683
1684	CHECK_CONSOLE_DRV(mpDrv);
1685
1686	/*
1687	* It is up to the guest to decide whether the hint is
1688	* valid. Therefore don't do any VRAM sanity checks here.
1689	*/
1690
1691	/* Have to release the lock because the pfnRequestDisplayChange
1692	* will call EMT. */
1693	alock.release();
1694
1695	/* We always send the hint to the graphics card in case the guest enables
1696	* support later. For now we notify exactly when support is enabled. */
1697	mpDrv->pUpPort->pfnSendModeHint(mpDrv->pUpPort, aWidth, aHeight,
1698	aBitsPerPixel, aDisplay,
1699	aChangeOrigin ? aOriginX : ~0,
1700	aChangeOrigin ? aOriginY : ~0,
1701	RT_BOOL(aEnabled),
1702	(mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS)
1703	&& aNotify);
1704	if ( mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS
1705	&& !(mfGuestVBVACapabilities & VBVACAPS_IRQ)
1706	&& aNotify)
1707	mParent->i_sendACPIMonitorHotPlugEvent();
1708
1709	/* We currently never suppress the VMMDev hint if the guest has requested
1710	* it. Specifically the video graphics driver may not be responsible for
1711	* screen positioning in the guest virtual desktop, and the component
1712	* responsible may want to get the hint from VMMDev. */
1713	VMMDev *pVMMDev = mParent->i_getVMMDev();
1714	if (pVMMDev)
1715	{
1716	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1717	if (pVMMDevPort)
1718	pVMMDevPort->pfnRequestDisplayChange(pVMMDevPort, 1, &d, false, RT_BOOL(aNotify));
1719	}
1720	/* Notify listeners. */
1721	::FireGuestMonitorInfoChangedEvent(mParent->i_getEventSource(), aDisplay);
1722	return S_OK;
1723	}
1724
1725	HRESULT Display::getVideoModeHint(ULONG cDisplay, BOOL *pfEnabled,
1726	BOOL pfChangeOrigin, LONG pxOrigin, LONG *pyOrigin,
1727	ULONG pcx, ULONG pcy, ULONG *pcBitsPerPixel)
1728	{
1729	if (cDisplay >= mcMonitors)
1730	return E_INVALIDARG;
1731
1732	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1733	if (pfEnabled)
1734	*pfEnabled = !( maFramebuffers[cDisplay].monitorDesc.fDisplayFlags
1735	& VMMDEV_DISPLAY_DISABLED);
1736	if (pfChangeOrigin)
1737	*pfChangeOrigin = RT_BOOL( maFramebuffers[cDisplay].monitorDesc.fDisplayFlags
1738	& VMMDEV_DISPLAY_ORIGIN);
1739	if (pxOrigin)
1740	*pxOrigin = maFramebuffers[cDisplay].monitorDesc.xOrigin;
1741	if (pyOrigin)
1742	*pyOrigin = maFramebuffers[cDisplay].monitorDesc.yOrigin;
1743	if (pcx)
1744	*pcx = maFramebuffers[cDisplay].monitorDesc.cx;
1745	if (pcy)
1746	*pcy = maFramebuffers[cDisplay].monitorDesc.cy;
1747	if (pcBitsPerPixel)
1748	*pcBitsPerPixel = maFramebuffers[cDisplay].monitorDesc.cBitsPerPixel;
1749	return S_OK;
1750	}
1751
1752	HRESULT Display::setSeamlessMode(BOOL enabled)
1753	{
1754	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1755
1756	/* Have to release the lock because the pfnRequestSeamlessChange will call EMT. */
1757	alock.release();
1758
1759	VMMDev *pVMMDev = mParent->i_getVMMDev();
1760	if (pVMMDev)
1761	{
1762	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1763	if (pVMMDevPort)
1764	pVMMDevPort->pfnRequestSeamlessChange(pVMMDevPort, !!enabled);
1765	}
1766	mfSeamlessEnabled = RT_BOOL(enabled);
1767	return S_OK;
1768	}
1769
1770	/static/ DECLCALLBACK(int)
1771	Display::i_displayTakeScreenshotEMT(Display pDisplay, ULONG aScreenId, uint8_t ppbData, size_t pcbData,
1772	uint32_t pcx, uint32_t pcy, bool *pfMemFree)
1773	{
1774	int vrc;
1775	if ( aScreenId == VBOX_VIDEO_PRIMARY_SCREEN
1776	&& pDisplay->maFramebuffers[aScreenId].fVBVAEnabled == false) /* A non-VBVA mode. */
1777	{
1778	if (pDisplay->mpDrv)
1779	{
1780	vrc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppbData, pcbData, pcx, pcy);
1781	*pfMemFree = false;
1782	}
1783	else
1784	{
1785	/* No image. */
1786	*ppbData = NULL;
1787	*pcbData = 0;
1788	*pcx = 0;
1789	*pcy = 0;
1790	*pfMemFree = true;
1791	vrc = VINF_SUCCESS;
1792	}
1793	}
1794	else if (aScreenId < pDisplay->mcMonitors)
1795	{
1796	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
1797
1798	uint32_t width = pFBInfo->w;
1799	uint32_t height = pFBInfo->h;
1800
1801	/* Allocate 32 bit per pixel bitmap. */
1802	size_t cbRequired = width * 4 * height;
1803
1804	if (cbRequired)
1805	{
1806	uint8_t pbDst = (uint8_t )RTMemAlloc(cbRequired);
1807	if (pbDst != NULL)
1808	{
1809	if (pFBInfo->flags & VBVA_SCREEN_F_ACTIVE)
1810	{
1811	/* Copy guest VRAM to the allocated 32bpp buffer. */
1812	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
1813	int32_t xSrc = 0;
1814	int32_t ySrc = 0;
1815	uint32_t u32SrcWidth = width;
1816	uint32_t u32SrcHeight = height;
1817	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
1818	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
1819
1820	int32_t xDst = 0;
1821	int32_t yDst = 0;
1822	uint32_t u32DstWidth = u32SrcWidth;
1823	uint32_t u32DstHeight = u32SrcHeight;
1824	uint32_t u32DstLineSize = u32DstWidth * 4;
1825	uint32_t u32DstBitsPerPixel = 32;
1826
1827	vrc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
1828	width, height,
1829	pu8Src,
1830	xSrc, ySrc,
1831	u32SrcWidth, u32SrcHeight,
1832	u32SrcLineSize, u32SrcBitsPerPixel,
1833	pbDst,
1834	xDst, yDst,
1835	u32DstWidth, u32DstHeight,
1836	u32DstLineSize, u32DstBitsPerPixel);
1837	}
1838	else
1839	{
1840	memset(pbDst, 0, cbRequired);
1841	vrc = VINF_SUCCESS;
1842	}
1843	if (RT_SUCCESS(vrc))
1844	{
1845	*ppbData = pbDst;
1846	*pcbData = cbRequired;
1847	*pcx = width;
1848	*pcy = height;
1849	*pfMemFree = true;
1850	}
1851	else
1852	{
1853	RTMemFree(pbDst);
1854
1855	/* CopyRect can fail if VBVA was paused in VGA device, retry using the generic method. */
1856	if ( vrc == VERR_INVALID_STATE
1857	&& aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1858	{
1859	vrc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppbData, pcbData, pcx, pcy);
1860	*pfMemFree = false;
1861	}
1862	}
1863	}
1864	else
1865	vrc = VERR_NO_MEMORY;
1866	}
1867	else
1868	{
1869	/* No image. */
1870	*ppbData = NULL;
1871	*pcbData = 0;
1872	*pcx = 0;
1873	*pcy = 0;
1874	*pfMemFree = true;
1875	vrc = VINF_SUCCESS;
1876	}
1877	}
1878	else
1879	vrc = VERR_INVALID_PARAMETER;
1880	return vrc;
1881	}
1882
1883	static int i_displayTakeScreenshot(PUVM pUVM, PCVMMR3VTABLE pVMM, Display pDisplay, struct DRVMAINDISPLAY pDrv,
1884	ULONG aScreenId, BYTE *address, ULONG width, ULONG height)
1885	{
1886	uint8_t *pbData = NULL;
1887	size_t cbData = 0;
1888	uint32_t cx = 0;
1889	uint32_t cy = 0;
1890	bool fFreeMem = false;
1891	int vrc = VINF_SUCCESS;
1892
1893	int cRetries = 5;
1894	while (cRetries-- > 0)
1895	{
1896	/* Note! Not sure if the priority call is such a good idea here, but
1897	it would be nice to have an accurate screenshot for the bug
1898	report if the VM deadlocks. */
1899	vrc = pVMM->pfnVMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)Display::i_displayTakeScreenshotEMT, 7,
1900	pDisplay, aScreenId, &pbData, &cbData, &cx, &cy, &fFreeMem);
1901	if (vrc != VERR_TRY_AGAIN)
1902	{
1903	break;
1904	}
1905
1906	RTThreadSleep(10);
1907	}
1908
1909	if (RT_SUCCESS(vrc) && pbData)
1910	{
1911	if (cx == width && cy == height)
1912	{
1913	/* No scaling required. */
1914	memcpy(address, pbData, cbData);
1915	}
1916	else
1917	{
1918	/* Scale. */
1919	LogRelFlowFunc(("SCALE: %dx%d -> %dx%d\n", cx, cy, width, height));
1920
1921	uint8_t *dst = address;
1922	uint8_t *src = pbData;
1923	int dstW = width;
1924	int dstH = height;
1925	int srcW = cx;
1926	int srcH = cy;
1927	int iDeltaLine = cx * 4;
1928
1929	BitmapScale32(dst,
1930	dstW, dstH,
1931	src,
1932	iDeltaLine,
1933	srcW, srcH);
1934	}
1935
1936	if (fFreeMem)
1937	RTMemFree(pbData);
1938	else
1939	{
1940	/* This can be called from any thread. */
1941	pDrv->pUpPort->pfnFreeScreenshot(pDrv->pUpPort, pbData);
1942	}
1943	}
1944
1945	return vrc;
1946	}
1947
1948	HRESULT Display::takeScreenShotWorker(ULONG aScreenId,
1949	BYTE *aAddress,
1950	ULONG aWidth,
1951	ULONG aHeight,
1952	BitmapFormat_T aBitmapFormat,
1953	ULONG *pcbOut)
1954	{
1955	HRESULT hrc = S_OK;
1956
1957	/* Do not allow too small and too large screenshots. This also filters out negative
1958	* values passed as either 'aWidth' or 'aHeight'.
1959	*/
1960	CheckComArgExpr(aWidth, aWidth != 0 && aWidth <= 32767);
1961	CheckComArgExpr(aHeight, aHeight != 0 && aHeight <= 32767);
1962
1963	if ( aBitmapFormat != BitmapFormat_BGR0
1964	&& aBitmapFormat != BitmapFormat_BGRA
1965	&& aBitmapFormat != BitmapFormat_RGBA
1966	&& aBitmapFormat != BitmapFormat_PNG)
1967	{
1968	return setError(E_NOTIMPL,
1969	tr("Unsupported screenshot format 0x%08X"), aBitmapFormat);
1970	}
1971
1972	Console::SafeVMPtr ptrVM(mParent);
1973	if (!ptrVM.isOk())
1974	return ptrVM.rc();
1975
1976	int vrc = i_displayTakeScreenshot(ptrVM.rawUVM(), ptrVM.vtable(), this, mpDrv, aScreenId, aAddress, aWidth, aHeight);
1977	if (RT_SUCCESS(vrc))
1978	{
1979	const size_t cbData = aWidth * 4 * aHeight;
1980
1981	/* Most of uncompressed formats. */
1982	*pcbOut = (ULONG)cbData;
1983
1984	if (aBitmapFormat == BitmapFormat_BGR0)
1985	{
1986	/* Do nothing. */
1987	}
1988	else if (aBitmapFormat == BitmapFormat_BGRA)
1989	{
1990	uint32_t pu32 = (uint32_t )aAddress;
1991	size_t cPixels = aWidth * aHeight;
1992	while (cPixels--)
1993	*pu32++ \|= UINT32_C(0xFF000000);
1994	}
1995	else if (aBitmapFormat == BitmapFormat_RGBA)
1996	{
1997	uint8_t *pu8 = aAddress;
1998	size_t cPixels = aWidth * aHeight;
1999	while (cPixels--)
2000	{
2001	uint8_t u8 = pu8[0];
2002	pu8[0] = pu8[2];
2003	pu8[2] = u8;
2004	pu8[3] = 0xFF;
2005
2006	pu8 += 4;
2007	}
2008	}
2009	else if (aBitmapFormat == BitmapFormat_PNG)
2010	{
2011	uint8_t *pu8PNG = NULL;
2012	uint32_t cbPNG = 0;
2013	uint32_t cxPNG = 0;
2014	uint32_t cyPNG = 0;
2015
2016	vrc = DisplayMakePNG(aAddress, aWidth, aHeight, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 0);
2017	if (RT_SUCCESS(vrc))
2018	{
2019	if (cbPNG <= cbData)
2020	{
2021	memcpy(aAddress, pu8PNG, cbPNG);
2022	*pcbOut = cbPNG;
2023	}
2024	else
2025	hrc = setError(E_FAIL, tr("PNG is larger than 32bpp bitmap"));
2026	}
2027	else
2028	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not convert screenshot to PNG (%Rrc)"), vrc);
2029	RTMemFree(pu8PNG);
2030	}
2031	}
2032	else if (vrc == VERR_TRY_AGAIN)
2033	hrc = setErrorBoth(E_UNEXPECTED, vrc, tr("Screenshot is not available at this time"));
2034	else if (RT_FAILURE(vrc))
2035	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not take a screenshot (%Rrc)"), vrc);
2036
2037	return hrc;
2038	}
2039
2040	HRESULT Display::takeScreenShot(ULONG aScreenId,
2041	BYTE *aAddress,
2042	ULONG aWidth,
2043	ULONG aHeight,
2044	BitmapFormat_T aBitmapFormat)
2045	{
2046	LogRelFlowFunc(("[%d] address=%p, width=%d, height=%d, format 0x%08X\n",
2047	aScreenId, aAddress, aWidth, aHeight, aBitmapFormat));
2048
2049	ULONG cbOut = 0;
2050	HRESULT hrc = takeScreenShotWorker(aScreenId, aAddress, aWidth, aHeight, aBitmapFormat, &cbOut);
2051	NOREF(cbOut);
2052
2053	LogRelFlowFunc(("%Rhrc\n", hrc));
2054	return hrc;
2055	}
2056
2057	HRESULT Display::takeScreenShotToArray(ULONG aScreenId,
2058	ULONG aWidth,
2059	ULONG aHeight,
2060	BitmapFormat_T aBitmapFormat,
2061	std::vector<BYTE> &aScreenData)
2062	{
2063	LogRelFlowFunc(("[%d] width=%d, height=%d, format 0x%08X\n",
2064	aScreenId, aWidth, aHeight, aBitmapFormat));
2065
2066	/* Do not allow too small and too large screenshots. This also filters out negative
2067	* values passed as either 'aWidth' or 'aHeight'.
2068	*/
2069	CheckComArgExpr(aWidth, aWidth != 0 && aWidth <= 32767);
2070	CheckComArgExpr(aHeight, aHeight != 0 && aHeight <= 32767);
2071
2072	const size_t cbData = aWidth * 4 * aHeight;
2073	aScreenData.resize(cbData);
2074
2075	ULONG cbOut = 0;
2076	HRESULT hrc = takeScreenShotWorker(aScreenId, &aScreenData.front(), aWidth, aHeight, aBitmapFormat, &cbOut);
2077	if (FAILED(hrc))
2078	cbOut = 0;
2079
2080	aScreenData.resize(cbOut);
2081
2082	LogRelFlowFunc(("%Rhrc\n", hrc));
2083	return hrc;
2084	}
2085
2086	#ifdef VBOX_WITH_RECORDING
2087	/**
2088	* Invalidates the recording configuration.
2089	*
2090	* @returns IPRT status code.
2091	*/
2092	int Display::i_recordingInvalidate(void)
2093	{
2094	RecordingContext *pCtx = mParent->i_recordingGetContext();
2095	if (!pCtx \|\| !pCtx->IsStarted())
2096	return VINF_SUCCESS;
2097
2098	/*
2099	* Invalidate screens.
2100	*/
2101	for (unsigned uScreen = 0; uScreen < mcMonitors; uScreen++)
2102	{
2103	RecordingStream *pRecordingStream = pCtx->GetStream(uScreen);
2104
2105	const bool fStreamEnabled = pRecordingStream->IsReady();
2106	bool fChanged = maRecordingEnabled[uScreen] != fStreamEnabled;
2107
2108	maRecordingEnabled[uScreen] = fStreamEnabled;
2109
2110	if (fChanged && uScreen < mcMonitors)
2111	i_recordingScreenChanged(uScreen);
2112	}
2113
2114	return VINF_SUCCESS;
2115	}
2116
2117	void Display::i_recordingScreenChanged(unsigned uScreenId)
2118	{
2119	RecordingContext *pCtx = mParent->i_recordingGetContext();
2120
2121	i_UpdateDeviceCursorCapabilities();
2122	if ( RT_LIKELY(!maRecordingEnabled[uScreenId])
2123	\|\| !pCtx \|\| !pCtx->IsStarted())
2124	{
2125	/* Skip recording this screen. */
2126	return;
2127	}
2128
2129	/* Get a new source bitmap which will be used by video recording code. */
2130	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
2131	QuerySourceBitmap(uScreenId, pSourceBitmap.asOutParam());
2132
2133	int vrc2 = RTCritSectEnter(&mVideoRecLock);
2134	if (RT_SUCCESS(vrc2))
2135	{
2136	maFramebuffers[uScreenId].Recording.pSourceBitmap = pSourceBitmap;
2137
2138	vrc2 = RTCritSectLeave(&mVideoRecLock);
2139	AssertRC(vrc2);
2140	}
2141	}
2142	#endif /* VBOX_WITH_RECORDING */
2143
2144	/static/ DECLCALLBACK(int)
2145	Display::i_drawToScreenEMT(Display pDisplay, ULONG aScreenId, BYTE address, ULONG x, ULONG y, ULONG width, ULONG height)
2146	{
2147	int vrc = VINF_SUCCESS;
2148
2149	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
2150
2151	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2152	{
2153	vrc = pDisplay->mpDrv->pUpPort->pfnDisplayBlt(pDisplay->mpDrv->pUpPort, address, x, y, width, height);
2154	}
2155	else if (aScreenId < pDisplay->mcMonitors)
2156	{
2157	/* Copy the bitmap to the guest VRAM. */
2158	const uint8_t *pu8Src = address;
2159	int32_t xSrc = 0;
2160	int32_t ySrc = 0;
2161	uint32_t u32SrcWidth = width;
2162	uint32_t u32SrcHeight = height;
2163	uint32_t u32SrcLineSize = width * 4;
2164	uint32_t u32SrcBitsPerPixel = 32;
2165
2166	uint8_t *pu8Dst = pFBInfo->pu8FramebufferVRAM;
2167	int32_t xDst = x;
2168	int32_t yDst = y;
2169	uint32_t u32DstWidth = pFBInfo->w;
2170	uint32_t u32DstHeight = pFBInfo->h;
2171	uint32_t u32DstLineSize = pFBInfo->u32LineSize;
2172	uint32_t u32DstBitsPerPixel = pFBInfo->u16BitsPerPixel;
2173
2174	vrc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2175	width, height,
2176	pu8Src,
2177	xSrc, ySrc,
2178	u32SrcWidth, u32SrcHeight,
2179	u32SrcLineSize, u32SrcBitsPerPixel,
2180	pu8Dst,
2181	xDst, yDst,
2182	u32DstWidth, u32DstHeight,
2183	u32DstLineSize, u32DstBitsPerPixel);
2184	if (RT_SUCCESS(vrc))
2185	{
2186	if (!pFBInfo->pSourceBitmap.isNull())
2187	{
2188	/* Update the changed screen area. When source bitmap uses VRAM directly, just notify
2189	* frontend to update. And for default format, render the guest VRAM to the source bitmap.
2190	*/
2191	if ( pFBInfo->fDefaultFormat
2192	&& !pFBInfo->fDisabled)
2193	{
2194	BYTE *pAddress = NULL;
2195	ULONG ulWidth = 0;
2196	ULONG ulHeight = 0;
2197	ULONG ulBitsPerPixel = 0;
2198	ULONG ulBytesPerLine = 0;
2199	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2200
2201	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2202	&ulWidth,
2203	&ulHeight,
2204	&ulBitsPerPixel,
2205	&ulBytesPerLine,
2206	&bitmapFormat);
2207	if (SUCCEEDED(hrc))
2208	{
2209	pu8Src = pFBInfo->pu8FramebufferVRAM;
2210	xSrc = x;
2211	ySrc = y;
2212	u32SrcWidth = pFBInfo->w;
2213	u32SrcHeight = pFBInfo->h;
2214	u32SrcLineSize = pFBInfo->u32LineSize;
2215	u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2216
2217	/* Default format is 32 bpp. */
2218	pu8Dst = pAddress;
2219	xDst = xSrc;
2220	yDst = ySrc;
2221	u32DstWidth = u32SrcWidth;
2222	u32DstHeight = u32SrcHeight;
2223	u32DstLineSize = u32DstWidth * 4;
2224	u32DstBitsPerPixel = 32;
2225
2226	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2227	width, height,
2228	pu8Src,
2229	xSrc, ySrc,
2230	u32SrcWidth, u32SrcHeight,
2231	u32SrcLineSize, u32SrcBitsPerPixel,
2232	pu8Dst,
2233	xDst, yDst,
2234	u32DstWidth, u32DstHeight,
2235	u32DstLineSize, u32DstBitsPerPixel);
2236	}
2237	}
2238	}
2239
2240	pDisplay->i_handleDisplayUpdate(aScreenId, x, y, width, height);
2241	}
2242	}
2243	else
2244	{
2245	vrc = VERR_INVALID_PARAMETER;
2246	}
2247
2248	if (RT_SUCCESS(vrc))
2249	pDisplay->mParent->i_consoleVRDPServer()->SendUpdateBitmap(aScreenId, x, y, width, height);
2250
2251	return vrc;
2252	}
2253
2254	HRESULT Display::drawToScreen(ULONG aScreenId, BYTE *aAddress, ULONG aX, ULONG aY, ULONG aWidth, ULONG aHeight)
2255	{
2256	/// @todo (r=dmik) this function may take too long to complete if the VM
2257	// is doing something like saving state right now. Which, in case if it
2258	// is called on the GUI thread, will make it unresponsive. We should
2259	// check the machine state here (by enclosing the check and VMRequCall
2260	// within the Console lock to make it atomic).
2261
2262	LogRelFlowFunc(("aAddress=%p, x=%d, y=%d, width=%d, height=%d\n",
2263	(void *)aAddress, aX, aY, aWidth, aHeight));
2264
2265	CheckComArgExpr(aWidth, aWidth != 0);
2266	CheckComArgExpr(aHeight, aHeight != 0);
2267
2268	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2269
2270	CHECK_CONSOLE_DRV(mpDrv);
2271
2272	Console::SafeVMPtr ptrVM(mParent);
2273	if (!ptrVM.isOk())
2274	return ptrVM.rc();
2275
2276	/* Release lock because the call scheduled on EMT may also try to take it. */
2277	alock.release();
2278
2279	/*
2280	* Again we're lazy and make the graphics device do all the
2281	* dirty conversion work.
2282	*/
2283	int vrc = ptrVM.vtable()->pfnVMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_drawToScreenEMT, 7,
2284	this, aScreenId, aAddress, aX, aY, aWidth, aHeight);
2285
2286	/*
2287	* If the function returns not supported, we'll have to do all the
2288	* work ourselves using the framebuffer.
2289	*/
2290	HRESULT hrc = S_OK;
2291	if (vrc == VERR_NOT_SUPPORTED \|\| vrc == VERR_NOT_IMPLEMENTED)
2292	{
2293	/** @todo implement generic fallback for screen blitting. */
2294	hrc = E_NOTIMPL;
2295	}
2296	else if (RT_FAILURE(vrc))
2297	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not draw to the screen (%Rrc)"), vrc);
2298	/// @todo
2299	// else
2300	// {
2301	// /* All ok. Redraw the screen. */
2302	// handleDisplayUpdate(x, y, width, height);
2303	// }
2304
2305	LogRelFlowFunc(("hrc=%Rhrc\n", hrc));
2306	return hrc;
2307	}
2308
2309	/** @todo r=bird: cannot quite see why this would be required to run on an
2310	* EMT any more. It's not an issue in the COM methods, but for the
2311	* VGA device interface it is an issue, see querySourceBitmap. */
2312	/static/ DECLCALLBACK(int) Display::i_InvalidateAndUpdateEMT(Display *pDisplay, unsigned uId, bool fUpdateAll)
2313	{
2314	LogRelFlowFunc(("uId=%d, fUpdateAll %d\n", uId, fUpdateAll));
2315
2316	unsigned uScreenId;
2317	for (uScreenId = (fUpdateAll ? 0 : uId); uScreenId < pDisplay->mcMonitors; uScreenId++)
2318	{
2319	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
2320
2321	if ( !pFBInfo->fVBVAEnabled
2322	&& uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2323	pDisplay->mpDrv->pUpPort->pfnUpdateDisplayAll(pDisplay->mpDrv->pUpPort, /* fFailOnResize = */ true);
2324	else
2325	{
2326	if (!pFBInfo->fDisabled)
2327	{
2328	/* Render complete VRAM screen to the framebuffer.
2329	* When framebuffer uses VRAM directly, just notify it to update.
2330	*/
2331	if (pFBInfo->fDefaultFormat && !pFBInfo->pSourceBitmap.isNull())
2332	{
2333	BYTE *pAddress = NULL;
2334	ULONG ulWidth = 0;
2335	ULONG ulHeight = 0;
2336	ULONG ulBitsPerPixel = 0;
2337	ULONG ulBytesPerLine = 0;
2338	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2339
2340	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2341	&ulWidth,
2342	&ulHeight,
2343	&ulBitsPerPixel,
2344	&ulBytesPerLine,
2345	&bitmapFormat);
2346	if (SUCCEEDED(hrc))
2347	{
2348	uint32_t width = pFBInfo->w;
2349	uint32_t height = pFBInfo->h;
2350
2351	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
2352	int32_t xSrc = 0;
2353	int32_t ySrc = 0;
2354	uint32_t u32SrcWidth = pFBInfo->w;
2355	uint32_t u32SrcHeight = pFBInfo->h;
2356	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
2357	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2358
2359	/* Default format is 32 bpp. */
2360	uint8_t *pu8Dst = pAddress;
2361	int32_t xDst = xSrc;
2362	int32_t yDst = ySrc;
2363	uint32_t u32DstWidth = u32SrcWidth;
2364	uint32_t u32DstHeight = u32SrcHeight;
2365	uint32_t u32DstLineSize = u32DstWidth * 4;
2366	uint32_t u32DstBitsPerPixel = 32;
2367
2368	/* if uWidth != pFBInfo->w and uHeight != pFBInfo->h
2369	* implies resize of Framebuffer is in progress and
2370	* copyrect should not be called.
2371	*/
2372	if (ulWidth == pFBInfo->w && ulHeight == pFBInfo->h)
2373	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2374	width, height,
2375	pu8Src,
2376	xSrc, ySrc,
2377	u32SrcWidth, u32SrcHeight,
2378	u32SrcLineSize, u32SrcBitsPerPixel,
2379	pu8Dst,
2380	xDst, yDst,
2381	u32DstWidth, u32DstHeight,
2382	u32DstLineSize, u32DstBitsPerPixel);
2383	}
2384	}
2385
2386	pDisplay->i_handleDisplayUpdate(uScreenId, 0, 0, pFBInfo->w, pFBInfo->h);
2387	}
2388	}
2389	if (!fUpdateAll)
2390	break;
2391	}
2392	LogRelFlowFunc(("done\n"));
2393	return VINF_SUCCESS;
2394	}
2395
2396	/**
2397	* Does a full invalidation of the VM display and instructs the VM
2398	* to update it immediately.
2399	*
2400	* @returns COM status code
2401	*/
2402
2403	HRESULT Display::invalidateAndUpdate()
2404	{
2405	LogRelFlowFunc(("\n"));
2406
2407	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2408
2409	CHECK_CONSOLE_DRV(mpDrv);
2410
2411	Console::SafeVMPtr ptrVM(mParent);
2412	HRESULT hrc = ptrVM.rc();
2413	if (SUCCEEDED(hrc))
2414	{
2415	LogRelFlowFunc(("Sending DPYUPDATE request\n"));
2416
2417	/* Have to release the lock when calling EMT. */
2418	alock.release();
2419
2420	int vrc = ptrVM.vtable()->pfnVMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2421	3, this, 0, true);
2422	alock.acquire();
2423
2424	if (RT_FAILURE(vrc))
2425	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not invalidate and update the screen (%Rrc)"), vrc);
2426	}
2427
2428	LogRelFlowFunc(("hrc=%Rhrc\n", hrc));
2429	return hrc;
2430	}
2431
2432	HRESULT Display::invalidateAndUpdateScreen(ULONG aScreenId)
2433	{
2434	LogRelFlowFunc(("\n"));
2435
2436	Console::SafeVMPtr ptrVM(mParent);
2437	HRESULT hrc = ptrVM.rc();
2438	if (SUCCEEDED(hrc))
2439	{
2440	int vrc = ptrVM.vtable()->pfnVMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2441	3, this, aScreenId, false);
2442	if (RT_FAILURE(vrc))
2443	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not invalidate and update the screen %d (%Rrc)"), aScreenId, vrc);
2444	}
2445
2446	LogRelFlowFunc(("hrc=%Rhrc\n", hrc));
2447	return hrc;
2448	}
2449
2450	HRESULT Display::completeVHWACommand(BYTE *aCommand)
2451	{
2452	#ifdef VBOX_WITH_VIDEOHWACCEL
2453	mpDrv->pVBVACallbacks->pfnVHWACommandCompleteAsync(mpDrv->pVBVACallbacks, (VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *)aCommand);
2454	return S_OK;
2455	#else
2456	RT_NOREF(aCommand);
2457	return E_NOTIMPL;
2458	#endif
2459	}
2460
2461	HRESULT Display::viewportChanged(ULONG aScreenId, ULONG aX, ULONG aY, ULONG aWidth, ULONG aHeight)
2462	{
2463	AssertMsgReturn(aScreenId < mcMonitors, ("aScreendId=%d mcMonitors=%d\n", aScreenId, mcMonitors), E_INVALIDARG);
2464
2465	/* The driver might not have been constructed yet */
2466	if (mpDrv && mpDrv->pUpPort->pfnSetViewport)
2467	mpDrv->pUpPort->pfnSetViewport(mpDrv->pUpPort, aScreenId, aX, aY, aWidth, aHeight);
2468
2469	return S_OK;
2470	}
2471
2472	HRESULT Display::querySourceBitmap(ULONG aScreenId,
2473	ComPtr<IDisplaySourceBitmap> &aDisplaySourceBitmap)
2474	{
2475	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2476
2477	Console::SafeVMPtr ptrVM(mParent);
2478	if (!ptrVM.isOk())
2479	return ptrVM.rc();
2480
2481	CHECK_CONSOLE_DRV(mpDrv);
2482
2483	bool fSetRenderVRAM = false;
2484	bool fInvalidate = false;
2485
2486	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2487
2488	if (aScreenId >= mcMonitors)
2489	return setError(E_INVALIDARG, tr("QuerySourceBitmap: Invalid screen %d (total %d)"), aScreenId, mcMonitors);
2490
2491	if (!mfSourceBitmapEnabled)
2492	{
2493	aDisplaySourceBitmap = NULL;
2494	return E_FAIL;
2495	}
2496
2497	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2498
2499	/* No source bitmap for a blank guest screen. */
2500	if (pFBInfo->flags & VBVA_SCREEN_F_BLANK)
2501	{
2502	aDisplaySourceBitmap = NULL;
2503	return E_FAIL;
2504	}
2505
2506	HRESULT hr = S_OK;
2507
2508	if (pFBInfo->pSourceBitmap.isNull())
2509	{
2510	/* Create a new object. */
2511	ComObjPtr<DisplaySourceBitmap> obj;
2512	hr = obj.createObject();
2513	if (SUCCEEDED(hr))
2514	hr = obj->init(this, aScreenId, pFBInfo);
2515
2516	if (SUCCEEDED(hr))
2517	{
2518	pFBInfo->pSourceBitmap = obj;
2519	pFBInfo->fDefaultFormat = !obj->i_usesVRAM();
2520
2521	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2522	{
2523	/* Start buffer updates. */
2524	BYTE *pAddress = NULL;
2525	ULONG ulWidth = 0;
2526	ULONG ulHeight = 0;
2527	ULONG ulBitsPerPixel = 0;
2528	ULONG ulBytesPerLine = 0;
2529	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2530
2531	pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2532	&ulWidth,
2533	&ulHeight,
2534	&ulBitsPerPixel,
2535	&ulBytesPerLine,
2536	&bitmapFormat);
2537
2538	mpDrv->IConnector.pbData = pAddress;
2539	mpDrv->IConnector.cbScanline = ulBytesPerLine;
2540	mpDrv->IConnector.cBits = ulBitsPerPixel;
2541	mpDrv->IConnector.cx = ulWidth;
2542	mpDrv->IConnector.cy = ulHeight;
2543
2544	fSetRenderVRAM = pFBInfo->fDefaultFormat;
2545	}
2546
2547	/* Make sure that the bitmap contains the latest image. */
2548	fInvalidate = pFBInfo->fDefaultFormat;
2549	}
2550	}
2551
2552	if (SUCCEEDED(hr))
2553	{
2554	pFBInfo->pSourceBitmap.queryInterfaceTo(aDisplaySourceBitmap.asOutParam());
2555	}
2556
2557	/* Leave the IDisplay lock because the VGA device must not be called under it. */
2558	alock.release();
2559
2560	if (SUCCEEDED(hr))
2561	{
2562	if (fSetRenderVRAM)
2563	mpDrv->pUpPort->pfnSetRenderVRAM(mpDrv->pUpPort, true);
2564
2565	if (fInvalidate)
2566	#if 1 /* bird: Cannot see why this needs to run on an EMT. It deadlocks now with timer callback moving to non-EMT worker threads. */
2567	Display::i_InvalidateAndUpdateEMT(this, aScreenId, false /fUpdateAll/);
2568	#else
2569	VMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2570	3, this, aScreenId, false);
2571	#endif
2572	}
2573
2574	LogRelFlowFunc(("%Rhrc\n", hr));
2575	return hr;
2576	}
2577
2578	HRESULT Display::getGuestScreenLayout(std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenLayout)
2579	{
2580	NOREF(aGuestScreenLayout);
2581	return E_NOTIMPL;
2582	}
2583
2584	HRESULT Display::setScreenLayout(ScreenLayoutMode_T aScreenLayoutMode,
2585	const std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenInfo)
2586	{
2587	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2588
2589	if (aGuestScreenInfo.size() != mcMonitors)
2590	return E_INVALIDARG;
2591
2592	CHECK_CONSOLE_DRV(mpDrv);
2593
2594	/*
2595	* It is up to the guest to decide whether the hint is
2596	* valid. Therefore don't do any VRAM sanity checks here.
2597	*/
2598
2599	/* Have to release the lock because the pfnRequestDisplayChange
2600	* will call EMT. */
2601	alock.release();
2602
2603	VMMDev *pVMMDev = mParent->i_getVMMDev();
2604	if (pVMMDev)
2605	{
2606	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
2607	if (pVMMDevPort)
2608	{
2609	uint32_t const cDisplays = (uint32_t)aGuestScreenInfo.size();
2610
2611	size_t const cbAlloc = cDisplays * sizeof(VMMDevDisplayDef);
2612	VMMDevDisplayDef paDisplayDefs = (VMMDevDisplayDef )RTMemAlloc(cbAlloc);
2613	if (paDisplayDefs)
2614	{
2615	for (uint32_t i = 0; i < cDisplays; ++i)
2616	{
2617	VMMDevDisplayDef *p = &paDisplayDefs[i];
2618	ComPtr<IGuestScreenInfo> pScreenInfo = aGuestScreenInfo[i];
2619
2620	ULONG screenId = 0;
2621	GuestMonitorStatus_T guestMonitorStatus = GuestMonitorStatus_Enabled;
2622	BOOL origin = FALSE;
2623	BOOL primary = FALSE;
2624	LONG originX = 0;
2625	LONG originY = 0;
2626	ULONG width = 0;
2627	ULONG height = 0;
2628	ULONG bitsPerPixel = 0;
2629
2630	pScreenInfo->COMGETTER(ScreenId) (&screenId);
2631	pScreenInfo->COMGETTER(GuestMonitorStatus)(&guestMonitorStatus);
2632	pScreenInfo->COMGETTER(Primary) (&primary);
2633	pScreenInfo->COMGETTER(Origin) (&origin);
2634	pScreenInfo->COMGETTER(OriginX) (&originX);
2635	pScreenInfo->COMGETTER(OriginY) (&originY);
2636	pScreenInfo->COMGETTER(Width) (&width);
2637	pScreenInfo->COMGETTER(Height) (&height);
2638	pScreenInfo->COMGETTER(BitsPerPixel)(&bitsPerPixel);
2639
2640	LogFlowFunc(("%d %d,%d %dx%d\n", screenId, originX, originY, width, height));
2641
2642	p->idDisplay = screenId;
2643	p->xOrigin = originX;
2644	p->yOrigin = originY;
2645	p->cx = width;
2646	p->cy = height;
2647	p->cBitsPerPixel = bitsPerPixel;
2648	p->fDisplayFlags = VMMDEV_DISPLAY_CX \| VMMDEV_DISPLAY_CY \| VMMDEV_DISPLAY_BPP;
2649	if (guestMonitorStatus == GuestMonitorStatus_Disabled)
2650	p->fDisplayFlags \|= VMMDEV_DISPLAY_DISABLED;
2651	if (origin)
2652	p->fDisplayFlags \|= VMMDEV_DISPLAY_ORIGIN;
2653	if (primary)
2654	p->fDisplayFlags \|= VMMDEV_DISPLAY_PRIMARY;
2655	}
2656
2657	bool const fForce = aScreenLayoutMode == ScreenLayoutMode_Reset
2658	\|\| aScreenLayoutMode == ScreenLayoutMode_Apply;
2659	bool const fNotify = aScreenLayoutMode != ScreenLayoutMode_Silent;
2660	pVMMDevPort->pfnRequestDisplayChange(pVMMDevPort, cDisplays, paDisplayDefs, fForce, fNotify);
2661
2662	RTMemFree(paDisplayDefs);
2663	}
2664	}
2665	}
2666	return S_OK;
2667	}
2668
2669	HRESULT Display::detachScreens(const std::vector<LONG> &aScreenIds)
2670	{
2671	NOREF(aScreenIds);
2672	return E_NOTIMPL;
2673	}
2674
2675	HRESULT Display::createGuestScreenInfo(ULONG aDisplay,
2676	GuestMonitorStatus_T aStatus,
2677	BOOL aPrimary,
2678	BOOL aChangeOrigin,
2679	LONG aOriginX,
2680	LONG aOriginY,
2681	ULONG aWidth,
2682	ULONG aHeight,
2683	ULONG aBitsPerPixel,
2684	ComPtr<IGuestScreenInfo> &aGuestScreenInfo)
2685	{
2686	/* Create a new object. */
2687	ComObjPtr<GuestScreenInfo> obj;
2688	HRESULT hr = obj.createObject();
2689	if (SUCCEEDED(hr))
2690	hr = obj->init(aDisplay, aStatus, aPrimary, aChangeOrigin, aOriginX, aOriginY,
2691	aWidth, aHeight, aBitsPerPixel);
2692	if (SUCCEEDED(hr))
2693	obj.queryInterfaceTo(aGuestScreenInfo.asOutParam());
2694
2695	return hr;
2696	}
2697
2698
2699	/*
2700	* GuestScreenInfo implementation.
2701	*/
2702	DEFINE_EMPTY_CTOR_DTOR(GuestScreenInfo)
2703
2704	HRESULT GuestScreenInfo::FinalConstruct()
2705	{
2706	return BaseFinalConstruct();
2707	}
2708
2709	void GuestScreenInfo::FinalRelease()
2710	{
2711	uninit();
2712
2713	BaseFinalRelease();
2714	}
2715
2716	HRESULT GuestScreenInfo::init(ULONG aDisplay,
2717	GuestMonitorStatus_T aGuestMonitorStatus,
2718	BOOL aPrimary,
2719	BOOL aChangeOrigin,
2720	LONG aOriginX,
2721	LONG aOriginY,
2722	ULONG aWidth,
2723	ULONG aHeight,
2724	ULONG aBitsPerPixel)
2725	{
2726	LogFlowThisFunc(("[%u]\n", aDisplay));
2727
2728	/* Enclose the state transition NotReady->InInit->Ready */
2729	AutoInitSpan autoInitSpan(this);
2730	AssertReturn(autoInitSpan.isOk(), E_FAIL);
2731
2732	mScreenId = aDisplay;
2733	mGuestMonitorStatus = aGuestMonitorStatus;
2734	mPrimary = aPrimary;
2735	mOrigin = aChangeOrigin;
2736	mOriginX = aOriginX;
2737	mOriginY = aOriginY;
2738	mWidth = aWidth;
2739	mHeight = aHeight;
2740	mBitsPerPixel = aBitsPerPixel;
2741
2742	/* Confirm a successful initialization */
2743	autoInitSpan.setSucceeded();
2744
2745	return S_OK;
2746	}
2747
2748	void GuestScreenInfo::uninit()
2749	{
2750	/* Enclose the state transition Ready->InUninit->NotReady */
2751	AutoUninitSpan autoUninitSpan(this);
2752	if (autoUninitSpan.uninitDone())
2753	return;
2754
2755	LogFlowThisFunc(("[%u]\n", mScreenId));
2756	}
2757
2758	HRESULT GuestScreenInfo::getScreenId(ULONG *aScreenId)
2759	{
2760	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2761	*aScreenId = mScreenId;
2762	return S_OK;
2763	}
2764
2765	HRESULT GuestScreenInfo::getGuestMonitorStatus(GuestMonitorStatus_T *aGuestMonitorStatus)
2766	{
2767	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2768	*aGuestMonitorStatus = mGuestMonitorStatus;
2769	return S_OK;
2770	}
2771
2772	HRESULT GuestScreenInfo::getPrimary(BOOL *aPrimary)
2773	{
2774	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2775	*aPrimary = mPrimary;
2776	return S_OK;
2777	}
2778
2779	HRESULT GuestScreenInfo::getOrigin(BOOL *aOrigin)
2780	{
2781	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2782	*aOrigin = mOrigin;
2783	return S_OK;
2784	}
2785
2786	HRESULT GuestScreenInfo::getOriginX(LONG *aOriginX)
2787	{
2788	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2789	*aOriginX = mOriginX;
2790	return S_OK;
2791	}
2792
2793	HRESULT GuestScreenInfo::getOriginY(LONG *aOriginY)
2794	{
2795	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2796	*aOriginY = mOriginY;
2797	return S_OK;
2798	}
2799
2800	HRESULT GuestScreenInfo::getWidth(ULONG *aWidth)
2801	{
2802	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2803	*aWidth = mWidth;
2804	return S_OK;
2805	}
2806
2807	HRESULT GuestScreenInfo::getHeight(ULONG *aHeight)
2808	{
2809	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2810	*aHeight = mHeight;
2811	return S_OK;
2812	}
2813
2814	HRESULT GuestScreenInfo::getBitsPerPixel(ULONG *aBitsPerPixel)
2815	{
2816	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2817	*aBitsPerPixel = mBitsPerPixel;
2818	return S_OK;
2819	}
2820
2821	HRESULT GuestScreenInfo::getExtendedInfo(com::Utf8Str &aExtendedInfo)
2822	{
2823	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2824	aExtendedInfo = com::Utf8Str();
2825	return S_OK;
2826	}
2827
2828	// wrapped IEventListener method
2829	HRESULT Display::handleEvent(const ComPtr<IEvent> &aEvent)
2830	{
2831	VBoxEventType_T aType = VBoxEventType_Invalid;
2832
2833	aEvent->COMGETTER(Type)(&aType);
2834	switch (aType)
2835	{
2836	case VBoxEventType_OnStateChanged:
2837	{
2838	ComPtr<IStateChangedEvent> scev = aEvent;
2839	Assert(scev);
2840	MachineState_T machineState;
2841	scev->COMGETTER(State)(&machineState);
2842	if ( machineState == MachineState_Running
2843	\|\| machineState == MachineState_Teleporting
2844	\|\| machineState == MachineState_LiveSnapshotting
2845	\|\| machineState == MachineState_DeletingSnapshotOnline
2846	)
2847	{
2848	LogRelFlowFunc(("Machine is running.\n"));
2849
2850	}
2851	break;
2852	}
2853	default:
2854	AssertFailed();
2855	}
2856
2857	return S_OK;
2858	}
2859
2860
2861	// private methods
2862	/////////////////////////////////////////////////////////////////////////////
2863
2864	/**
2865	* Handle display resize event issued by the VGA device for the primary screen.
2866	*
2867	* @see PDMIDISPLAYCONNECTOR::pfnResize
2868	*/
2869	DECLCALLBACK(int) Display::i_displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface,
2870	uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy)
2871	{
2872	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2873	Display *pThis = pDrv->pDisplay;
2874
2875	LogRelFlowFunc(("bpp %d, pvVRAM %p, cbLine %d, cx %d, cy %d\n",
2876	bpp, pvVRAM, cbLine, cx, cy));
2877
2878	bool f = ASMAtomicCmpXchgBool(&pThis->fVGAResizing, true, false);
2879	if (!f)
2880	{
2881	/* This is a result of recursive call when the source bitmap is being updated
2882	* during a VGA resize. Tell the VGA device to ignore the call.
2883	*
2884	* @todo It is a workaround, actually pfnUpdateDisplayAll must
2885	* fail on resize.
2886	*/
2887	LogRel(("displayResizeCallback: already processing\n"));
2888	return VINF_VGA_RESIZE_IN_PROGRESS;
2889	}
2890
2891	int vrc = pThis->i_handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, bpp, pvVRAM, cbLine, cx, cy, 0, 0, 0, true);
2892
2893	/* Restore the flag. */
2894	f = ASMAtomicCmpXchgBool(&pThis->fVGAResizing, false, true);
2895	AssertRelease(f);
2896
2897	return vrc;
2898	}
2899
2900	/**
2901	* Handle display update.
2902	*
2903	* @see PDMIDISPLAYCONNECTOR::pfnUpdateRect
2904	*/
2905	DECLCALLBACK(void) Display::i_displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
2906	uint32_t x, uint32_t y, uint32_t cx, uint32_t cy)
2907	{
2908	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2909
2910	#ifdef DEBUG_sunlover
2911	LogFlowFunc(("fVideoAccelEnabled = %d, %d,%d %dx%d\n",
2912	pDrv->pDisplay->mVideoAccelLegacy.fVideoAccelEnabled, x, y, cx, cy));
2913	#endif /* DEBUG_sunlover */
2914
2915	/* This call does update regardless of VBVA status.
2916	* But in VBVA mode this is called only as result of
2917	* pfnUpdateDisplayAll in the VGA device.
2918	*/
2919
2920	pDrv->pDisplay->i_handleDisplayUpdate(VBOX_VIDEO_PRIMARY_SCREEN, x, y, cx, cy);
2921	}
2922
2923	/**
2924	* Periodic display refresh callback.
2925	*
2926	* @see PDMIDISPLAYCONNECTOR::pfnRefresh
2927	* @thread EMT
2928	*/
2929	/static/ DECLCALLBACK(void) Display::i_displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface)
2930	{
2931	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2932
2933	#ifdef DEBUG_sunlover_2
2934	LogFlowFunc(("pDrv->pDisplay->mfVideoAccelEnabled = %d\n",
2935	pDrv->pDisplay->mfVideoAccelEnabled));
2936	#endif /* DEBUG_sunlover_2 */
2937
2938	Display *pDisplay = pDrv->pDisplay;
2939	unsigned uScreenId;
2940
2941	int vrc = pDisplay->i_videoAccelRefreshProcess(pDrv->pUpPort);
2942	if (vrc != VINF_TRY_AGAIN) /* Means 'do nothing' here. */
2943	{
2944	if (vrc == VWRN_INVALID_STATE)
2945	{
2946	/* No VBVA do a display update. */
2947	pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
2948	}
2949
2950	/* Inform the VRDP server that the current display update sequence is
2951	* completed. At this moment the framebuffer memory contains a definite
2952	* image, that is synchronized with the orders already sent to VRDP client.
2953	* The server can now process redraw requests from clients or initial
2954	* fullscreen updates for new clients.
2955	*/
2956	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2957	{
2958	Assert(pDisplay->mParent && pDisplay->mParent->i_consoleVRDPServer());
2959	pDisplay->mParent->i_consoleVRDPServer()->SendUpdate(uScreenId, NULL, 0);
2960	}
2961	}
2962
2963	#ifdef VBOX_WITH_RECORDING
2964	AssertPtr(pDisplay->mParent);
2965	RecordingContext *pCtx = pDisplay->mParent->i_recordingGetContext();
2966
2967	if ( pCtx
2968	&& pCtx->IsStarted()
2969	&& pCtx->IsFeatureEnabled(RecordingFeature_Video))
2970	{
2971	do
2972	{
2973	/* If the recording context has reached the configured recording
2974	* limit, disable recording. */
2975	if (pCtx->IsLimitReached())
2976	{
2977	pDisplay->mParent->i_onRecordingChange(FALSE /* Disable */);
2978	break;
2979	}
2980
2981	uint64_t tsNowMs = RTTimeProgramMilliTS();
2982	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2983	{
2984	if (!pDisplay->maRecordingEnabled[uScreenId])
2985	continue;
2986
2987	if (!pCtx->NeedsUpdate(uScreenId, tsNowMs))
2988	continue;
2989
2990	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
2991	if (!pFBInfo->fDisabled)
2992	{
2993	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
2994	int vrc2 = RTCritSectEnter(&pDisplay->mVideoRecLock);
2995	if (RT_SUCCESS(vrc2))
2996	{
2997	pSourceBitmap = pFBInfo->Recording.pSourceBitmap;
2998	RTCritSectLeave(&pDisplay->mVideoRecLock);
2999	}
3000
3001	if (!pSourceBitmap.isNull())
3002	{
3003	BYTE *pbAddress = NULL;
3004	ULONG ulWidth = 0;
3005	ULONG ulHeight = 0;
3006	ULONG ulBitsPerPixel = 0;
3007	ULONG ulBytesPerLine = 0;
3008	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
3009	HRESULT hrc = pSourceBitmap->QueryBitmapInfo(&pbAddress,
3010	&ulWidth,
3011	&ulHeight,
3012	&ulBitsPerPixel,
3013	&ulBytesPerLine,
3014	&bitmapFormat);
3015	if (SUCCEEDED(hrc) && pbAddress)
3016	vrc = pCtx->SendVideoFrame(uScreenId, 0, 0, BitmapFormat_BGR,
3017	ulBitsPerPixel, ulBytesPerLine, ulWidth, ulHeight,
3018	pbAddress, tsNowMs);
3019	else
3020	vrc = VERR_NOT_SUPPORTED;
3021
3022	pSourceBitmap.setNull();
3023	}
3024	else
3025	vrc = VERR_NOT_SUPPORTED;
3026
3027	if (vrc == VINF_TRY_AGAIN)
3028	break;
3029	}
3030	}
3031	} while (0);
3032	}
3033	#endif /* VBOX_WITH_RECORDING */
3034
3035	#ifdef DEBUG_sunlover_2
3036	LogFlowFunc(("leave\n"));
3037	#endif /* DEBUG_sunlover_2 */
3038	}
3039
3040	/**
3041	* Reset notification
3042	*
3043	* @see PDMIDISPLAYCONNECTOR::pfnReset
3044	*/
3045	DECLCALLBACK(void) Display::i_displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface)
3046	{
3047	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3048
3049	LogRelFlowFunc(("\n"));
3050
3051	/* Disable VBVA mode. */
3052	pDrv->pDisplay->VideoAccelEnableVGA(false, NULL);
3053	}
3054
3055	/**
3056	* LFBModeChange notification
3057	*
3058	* @see PDMIDISPLAYCONNECTOR::pfnLFBModeChange
3059	*/
3060	DECLCALLBACK(void) Display::i_displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled)
3061	{
3062	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3063
3064	LogRelFlowFunc(("fEnabled=%d\n", fEnabled));
3065
3066	NOREF(fEnabled);
3067
3068	/* Disable VBVA mode in any case. The guest driver reenables VBVA mode if necessary. */
3069	pDrv->pDisplay->VideoAccelEnableVGA(false, NULL);
3070	}
3071
3072	/**
3073	* Adapter information change notification.
3074	*
3075	* @see PDMIDISPLAYCONNECTOR::pfnProcessAdapterData
3076	*/
3077	DECLCALLBACK(void) Display::i_displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM,
3078	uint32_t u32VRAMSize)
3079	{
3080	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3081	pDrv->pDisplay->processAdapterData(pvVRAM, u32VRAMSize);
3082	}
3083
3084	/**
3085	* Display information change notification.
3086	*
3087	* @see PDMIDISPLAYCONNECTOR::pfnProcessDisplayData
3088	*/
3089	DECLCALLBACK(void) Display::i_displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
3090	void *pvVRAM, unsigned uScreenId)
3091	{
3092	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3093	pDrv->pDisplay->processDisplayData(pvVRAM, uScreenId);
3094	}
3095
3096	#ifdef VBOX_WITH_VIDEOHWACCEL
3097
3098	int Display::i_handleVHWACommandProcess(int enmCmd, bool fGuestCmd, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand)
3099	{
3100	/* bugref:9691 Disable the legacy VHWA interface.
3101	* Keep the host commands enabled because they are needed when an old saved state is loaded.
3102	*/
3103	if (fGuestCmd)
3104	return VERR_NOT_IMPLEMENTED;
3105
3106	unsigned id = (unsigned)pCommand->iDisplay;
3107	if (id >= mcMonitors)
3108	return VERR_INVALID_PARAMETER;
3109
3110	ComPtr<IFramebuffer> pFramebuffer;
3111	AutoReadLock arlock(this COMMA_LOCKVAL_SRC_POS);
3112	pFramebuffer = maFramebuffers[id].pFramebuffer;
3113	bool fVHWASupported = RT_BOOL(maFramebuffers[id].u32Caps & FramebufferCapabilities_VHWA);
3114	arlock.release();
3115
3116	if (pFramebuffer == NULL \|\| !fVHWASupported)
3117	return VERR_NOT_IMPLEMENTED; /* Implementation is not available. */
3118
3119	HRESULT hr = pFramebuffer->ProcessVHWACommand((BYTE *)pCommand, enmCmd, fGuestCmd);
3120	if (hr == S_FALSE)
3121	return VINF_SUCCESS;
3122	if (SUCCEEDED(hr))
3123	return VINF_CALLBACK_RETURN;
3124	if (hr == E_ACCESSDENIED)
3125	return VERR_INVALID_STATE; /* notify we can not handle request atm */
3126	if (hr == E_NOTIMPL)
3127	return VERR_NOT_IMPLEMENTED;
3128	return VERR_GENERAL_FAILURE;
3129	}
3130
3131	DECLCALLBACK(int) Display::i_displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, int enmCmd, bool fGuestCmd,
3132	VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand)
3133	{
3134	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3135
3136	return pDrv->pDisplay->i_handleVHWACommandProcess(enmCmd, fGuestCmd, pCommand);
3137	}
3138
3139	#endif /* VBOX_WITH_VIDEOHWACCEL */
3140
3141	int Display::i_handle3DNotifyProcess(VBOX3DNOTIFY *p3DNotify)
3142	{
3143	unsigned const id = (unsigned)p3DNotify->iDisplay;
3144	if (id >= mcMonitors)
3145	return VERR_INVALID_PARAMETER;
3146
3147	ComPtr<IFramebuffer> pFramebuffer;
3148	AutoReadLock arlock(this COMMA_LOCKVAL_SRC_POS);
3149	pFramebuffer = maFramebuffers[id].pFramebuffer;
3150	arlock.release();
3151
3152	int vrc = VINF_SUCCESS;
3153
3154	if (!pFramebuffer.isNull())
3155	{
3156	if (p3DNotify->enmNotification == VBOX3D_NOTIFY_TYPE_HW_OVERLAY_GET_ID)
3157	{
3158	LONG64 winId = 0;
3159	HRESULT hrc = pFramebuffer->COMGETTER(WinId)(&winId);
3160	if (SUCCEEDED(hrc))
3161	{
3162	(uint64_t )&p3DNotify->au8Data[0] = winId;
3163	}
3164	else
3165	vrc = VERR_NOT_SUPPORTED;
3166	}
3167	else
3168	{
3169	com::SafeArray<BYTE> data;
3170	data.initFrom((BYTE *)&p3DNotify->au8Data[0], p3DNotify->cbData);
3171
3172	HRESULT hrc = pFramebuffer->Notify3DEvent((ULONG)p3DNotify->enmNotification, ComSafeArrayAsInParam(data));
3173	if (FAILED(hrc))
3174	vrc = VERR_NOT_SUPPORTED;
3175	}
3176	}
3177	else
3178	vrc = VERR_NOT_IMPLEMENTED;
3179
3180	return vrc;
3181	}
3182
3183	DECLCALLBACK(int) Display::i_display3DNotifyProcess(PPDMIDISPLAYCONNECTOR pInterface,
3184	VBOX3DNOTIFY *p3DNotify)
3185	{
3186	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3187	return pDrv->pDisplay->i_handle3DNotifyProcess(p3DNotify);
3188	}
3189
3190	HRESULT Display::notifyScaleFactorChange(ULONG aScreenId, ULONG aScaleFactorWMultiplied, ULONG aScaleFactorHMultiplied)
3191	{
3192	RT_NOREF(aScreenId, aScaleFactorWMultiplied, aScaleFactorHMultiplied);
3193	# if 0 /** @todo Thank you so very much from anyone using VMSVGA3d! */
3194	AssertMsgFailed(("Attempt to specify OpenGL content scale factor while 3D acceleration is disabled in VM config. Ignored.\n"));
3195	# else
3196	/* Need an interface like this here (and the #ifdefs needs adjusting):
3197	PPDMIDISPLAYPORT pUpPort = mpDrv ? mpDrv->pUpPort : NULL;
3198	if (pUpPort && pUpPort->pfnSetScaleFactor)
3199	pUpPort->pfnSetScaleFactor(pUpPort, aScreeId, aScaleFactorWMultiplied, aScaleFactorHMultiplied); */
3200	# endif
3201	return S_OK;
3202	}
3203
3204	HRESULT Display::notifyHiDPIOutputPolicyChange(BOOL fUnscaledHiDPI)
3205	{
3206	RT_NOREF(fUnscaledHiDPI);
3207
3208	/* Need an interface like this here (and the #ifdefs needs adjusting):
3209	PPDMIDISPLAYPORT pUpPort = mpDrv ? mpDrv->pUpPort : NULL;
3210	if (pUpPort && pUpPort->pfnSetScaleFactor)
3211	pUpPort->pfnSetScaleFactor(pUpPort, aScreeId, aScaleFactorWMultiplied, aScaleFactorHMultiplied); */
3212
3213	return S_OK;
3214	}
3215
3216	#ifdef VBOX_WITH_HGSMI
3217	/**
3218	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVAEnable}
3219	*/
3220	DECLCALLBACK(int) Display::i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
3221	VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pHostFlags)
3222	{
3223	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
3224
3225	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3226	Display *pThis = pDrv->pDisplay;
3227	AssertReturn(uScreenId < pThis->mcMonitors, VERR_INVALID_PARAMETER);
3228
3229	if (pThis->maFramebuffers[uScreenId].fVBVAEnabled)
3230	{
3231	LogRel(("Enabling different vbva mode\n"));
3232	#ifdef DEBUG_misha
3233	AssertMsgFailed(("enabling different vbva mode\n"));
3234	#endif
3235	return VERR_INVALID_STATE;
3236	}
3237
3238	pThis->maFramebuffers[uScreenId].fVBVAEnabled = true;
3239	pThis->maFramebuffers[uScreenId].pVBVAHostFlags = pHostFlags;
3240	pThis->maFramebuffers[uScreenId].fVBVAForceResize = true;
3241
3242	vbvaSetMemoryFlagsHGSMI(uScreenId, pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, &pThis->maFramebuffers[uScreenId]);
3243
3244	return VINF_SUCCESS;
3245	}
3246
3247	/**
3248	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVADisable}
3249	*/
3250	DECLCALLBACK(void) Display::i_displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3251	{
3252	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
3253
3254	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3255	Display *pThis = pDrv->pDisplay;
3256	AssertReturnVoid(uScreenId < pThis->mcMonitors);
3257
3258	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3259
3260	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3261	{
3262	/* Make sure that the primary screen is visible now.
3263	* The guest can't use VBVA anymore, so only only the VGA device output works.
3264	*/
3265	pFBInfo->flags = 0;
3266	if (pFBInfo->fDisabled)
3267	{
3268	pFBInfo->fDisabled = false;
3269	::FireGuestMonitorChangedEvent(pThis->mParent->i_getEventSource(), GuestMonitorChangedEventType_Enabled, uScreenId,
3270	pFBInfo->xOrigin, pFBInfo->yOrigin, pFBInfo->w, pFBInfo->h);
3271	}
3272	}
3273
3274	pFBInfo->fVBVAEnabled = false;
3275	pFBInfo->fVBVAForceResize = false;
3276
3277	vbvaSetMemoryFlagsHGSMI(uScreenId, 0, false, pFBInfo);
3278
3279	pFBInfo->pVBVAHostFlags = NULL;
3280
3281	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3282	{
3283	/* Force full screen update, because VGA device must take control, do resize, etc. */
3284	pThis->mpDrv->pUpPort->pfnUpdateDisplayAll(pThis->mpDrv->pUpPort, /* fFailOnResize = */ false);
3285	}
3286	}
3287
3288	DECLCALLBACK(void) Display::i_displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3289	{
3290	RT_NOREF(uScreenId);
3291	LogFlowFunc(("uScreenId %d\n", uScreenId));
3292
3293	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3294	Display *pThis = pDrv->pDisplay;
3295
3296	if (ASMAtomicReadU32(&pThis->mu32UpdateVBVAFlags) > 0)
3297	{
3298	vbvaSetMemoryFlagsAllHGSMI(pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, pThis->maFramebuffers,
3299	pThis->mcMonitors);
3300	ASMAtomicDecU32(&pThis->mu32UpdateVBVAFlags);
3301	}
3302	}
3303
3304	/**
3305	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVAUpdateProcess}
3306	*/
3307	DECLCALLBACK(void) Display::i_displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
3308	struct VBVACMDHDR const RT_UNTRUSTED_VOLATILE_GUEST *pCmd, size_t cbCmd)
3309	{
3310	LogFlowFunc(("uScreenId %d pCmd %p cbCmd %d, @%d,%d %dx%d\n", uScreenId, pCmd, cbCmd, pCmd->x, pCmd->y, pCmd->w, pCmd->h));
3311	VBVACMDHDR hdrSaved;
3312	RT_COPY_VOLATILE(hdrSaved, *pCmd);
3313	RT_UNTRUSTED_NONVOLATILE_COPY_FENCE();
3314
3315	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3316	Display *pThis = pDrv->pDisplay;
3317	DISPLAYFBINFO *pFBInfo;
3318	AssertReturnVoid(uScreenId < pThis->mcMonitors);
3319
3320	pFBInfo = &pThis->maFramebuffers[uScreenId];
3321
3322	if (pFBInfo->fDefaultFormat)
3323	{
3324	/* Make sure that framebuffer contains the same image as the guest VRAM. */
3325	if ( uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
3326	&& !pFBInfo->fDisabled)
3327	{
3328	pDrv->pUpPort->pfnUpdateDisplayRect(pDrv->pUpPort, hdrSaved.x, hdrSaved.y, hdrSaved.w, hdrSaved.h);
3329	}
3330	else if ( !pFBInfo->pSourceBitmap.isNull()
3331	&& !pFBInfo->fDisabled)
3332	{
3333	/* Render VRAM content to the framebuffer. */
3334	BYTE *pAddress = NULL;
3335	ULONG ulWidth = 0;
3336	ULONG ulHeight = 0;
3337	ULONG ulBitsPerPixel = 0;
3338	ULONG ulBytesPerLine = 0;
3339	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
3340
3341	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
3342	&ulWidth,
3343	&ulHeight,
3344	&ulBitsPerPixel,
3345	&ulBytesPerLine,
3346	&bitmapFormat);
3347	if (SUCCEEDED(hrc))
3348	{
3349	uint32_t width = hdrSaved.w;
3350	uint32_t height = hdrSaved.h;
3351
3352	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
3353	int32_t xSrc = hdrSaved.x - pFBInfo->xOrigin;
3354	int32_t ySrc = hdrSaved.y - pFBInfo->yOrigin;
3355	uint32_t u32SrcWidth = pFBInfo->w;
3356	uint32_t u32SrcHeight = pFBInfo->h;
3357	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
3358	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
3359
3360	uint8_t *pu8Dst = pAddress;
3361	int32_t xDst = xSrc;
3362	int32_t yDst = ySrc;
3363	uint32_t u32DstWidth = u32SrcWidth;
3364	uint32_t u32DstHeight = u32SrcHeight;
3365	uint32_t u32DstLineSize = u32DstWidth * 4;
3366	uint32_t u32DstBitsPerPixel = 32;
3367
3368	pDrv->pUpPort->pfnCopyRect(pDrv->pUpPort,
3369	width, height,
3370	pu8Src,
3371	xSrc, ySrc,
3372	u32SrcWidth, u32SrcHeight,
3373	u32SrcLineSize, u32SrcBitsPerPixel,
3374	pu8Dst,
3375	xDst, yDst,
3376	u32DstWidth, u32DstHeight,
3377	u32DstLineSize, u32DstBitsPerPixel);
3378	}
3379	}
3380	}
3381
3382	/*
3383	* Here is your classic 'temporary' solution.
3384	*/
3385	/** @todo New SendUpdate entry which can get a separate cmd header or coords. */
3386	VBVACMDHDR pHdrUnconst = (VBVACMDHDR )pCmd;
3387
3388	pHdrUnconst->x -= (int16_t)pFBInfo->xOrigin;
3389	pHdrUnconst->y -= (int16_t)pFBInfo->yOrigin;
3390
3391	pThis->mParent->i_consoleVRDPServer()->SendUpdate(uScreenId, pHdrUnconst, (uint32_t)cbCmd);
3392
3393	*pHdrUnconst = hdrSaved;
3394	}
3395
3396	DECLCALLBACK(void) Display::i_displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y,
3397	uint32_t cx, uint32_t cy)
3398	{
3399	LogFlowFunc(("uScreenId %d %d,%d %dx%d\n", uScreenId, x, y, cx, cy));
3400
3401	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3402	Display *pThis = pDrv->pDisplay;
3403	DISPLAYFBINFO *pFBInfo;
3404	AssertReturnVoid(uScreenId < pThis->mcMonitors);
3405
3406	pFBInfo = &pThis->maFramebuffers[uScreenId];
3407
3408	/** @todo handleFramebufferUpdate (uScreenId,
3409	* x - pThis->maFramebuffers[uScreenId].xOrigin,
3410	* y - pThis->maFramebuffers[uScreenId].yOrigin,
3411	* cx, cy);
3412	*/
3413	pThis->i_handleDisplayUpdate(uScreenId, x - pFBInfo->xOrigin, y - pFBInfo->yOrigin, cx, cy);
3414	}
3415
3416	#ifdef DEBUG_sunlover
3417	static void logVBVAResize(PCVBVAINFOVIEW pView, PCVBVAINFOSCREEN pScreen, const DISPLAYFBINFO *pFBInfo)
3418	{
3419	LogRel(("displayVBVAResize: [%d] %s\n"
3420	" pView->u32ViewIndex %d\n"
3421	" pView->u32ViewOffset 0x%08X\n"
3422	" pView->u32ViewSize 0x%08X\n"
3423	" pView->u32MaxScreenSize 0x%08X\n"
3424	" pScreen->i32OriginX %d\n"
3425	" pScreen->i32OriginY %d\n"
3426	" pScreen->u32StartOffset 0x%08X\n"
3427	" pScreen->u32LineSize 0x%08X\n"
3428	" pScreen->u32Width %d\n"
3429	" pScreen->u32Height %d\n"
3430	" pScreen->u16BitsPerPixel %d\n"
3431	" pScreen->u16Flags 0x%04X\n"
3432	" pFBInfo->u32Offset 0x%08X\n"
3433	" pFBInfo->u32MaxFramebufferSize 0x%08X\n"
3434	" pFBInfo->u32InformationSize 0x%08X\n"
3435	" pFBInfo->fDisabled %d\n"
3436	" xOrigin, yOrigin, w, h: %d,%d %dx%d\n"
3437	" pFBInfo->u16BitsPerPixel %d\n"
3438	" pFBInfo->pu8FramebufferVRAM %p\n"
3439	" pFBInfo->u32LineSize 0x%08X\n"
3440	" pFBInfo->flags 0x%04X\n"
3441	" pFBInfo->pHostEvents %p\n"
3442	" pFBInfo->fDefaultFormat %d\n"
3443	" pFBInfo->fVBVAEnabled %d\n"
3444	" pFBInfo->fVBVAForceResize %d\n"
3445	" pFBInfo->pVBVAHostFlags %p\n"
3446	"",
3447	pScreen->u32ViewIndex,
3448	(pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)? "DISABLED": "ENABLED",
3449	pView->u32ViewIndex,
3450	pView->u32ViewOffset,
3451	pView->u32ViewSize,
3452	pView->u32MaxScreenSize,
3453	pScreen->i32OriginX,
3454	pScreen->i32OriginY,
3455	pScreen->u32StartOffset,
3456	pScreen->u32LineSize,
3457	pScreen->u32Width,
3458	pScreen->u32Height,
3459	pScreen->u16BitsPerPixel,
3460	pScreen->u16Flags,
3461	pFBInfo->u32Offset,
3462	pFBInfo->u32MaxFramebufferSize,
3463	pFBInfo->u32InformationSize,
3464	pFBInfo->fDisabled,
3465	pFBInfo->xOrigin,
3466	pFBInfo->yOrigin,
3467	pFBInfo->w,
3468	pFBInfo->h,
3469	pFBInfo->u16BitsPerPixel,
3470	pFBInfo->pu8FramebufferVRAM,
3471	pFBInfo->u32LineSize,
3472	pFBInfo->flags,
3473	pFBInfo->pHostEvents,
3474	pFBInfo->fDefaultFormat,
3475	pFBInfo->fVBVAEnabled,
3476	pFBInfo->fVBVAForceResize,
3477	pFBInfo->pVBVAHostFlags
3478	));
3479	}
3480	#endif /* DEBUG_sunlover */
3481
3482	DECLCALLBACK(int) Display::i_displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, PCVBVAINFOVIEW pView,
3483	PCVBVAINFOSCREEN pScreen, void *pvVRAM, bool fResetInputMapping)
3484	{
3485	LogRelFlowFunc(("pScreen %p, pvVRAM %p\n", pScreen, pvVRAM));
3486
3487	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3488	Display *pThis = pDrv->pDisplay;
3489
3490	return pThis->processVBVAResize(pView, pScreen, pvVRAM, fResetInputMapping);
3491	}
3492
3493	int Display::processVBVAResize(PCVBVAINFOVIEW pView, PCVBVAINFOSCREEN pScreen, void *pvVRAM, bool fResetInputMapping)
3494	{
3495	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3496
3497	RT_NOREF(pView);
3498
3499	DISPLAYFBINFO *pFBInfo = &maFramebuffers[pScreen->u32ViewIndex];
3500
3501	#ifdef DEBUG_sunlover
3502	logVBVAResize(pView, pScreen, pFBInfo);
3503	#endif
3504
3505	if (pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)
3506	{
3507	/* Ask the framebuffer to resize using a default format. The framebuffer will be black.
3508	* So if the frontend does not support GuestMonitorChangedEventType_Disabled event,
3509	* the VM window will be black. */
3510	uint32_t u32Width = pFBInfo->w ? pFBInfo->w : 640;
3511	uint32_t u32Height = pFBInfo->h ? pFBInfo->h : 480;
3512	int32_t xOrigin = pFBInfo->xOrigin;
3513	int32_t yOrigin = pFBInfo->yOrigin;
3514
3515	alock.release();
3516
3517	i_handleDisplayResize(pScreen->u32ViewIndex, 0, (uint8_t *)NULL, 0,
3518	u32Width, u32Height, pScreen->u16Flags, xOrigin, yOrigin, false);
3519
3520	return VINF_SUCCESS;
3521	}
3522
3523	VBVAINFOSCREEN screenInfo;
3524	RT_ZERO(screenInfo);
3525
3526	if (pScreen->u16Flags & VBVA_SCREEN_F_BLANK2)
3527	{
3528	/* Init a local VBVAINFOSCREEN structure, which will be used instead of
3529	* the original pScreen. Set VBVA_SCREEN_F_BLANK, which will force
3530	* the code below to choose the "blanking" branches.
3531	*/
3532	screenInfo.u32ViewIndex = pScreen->u32ViewIndex;
3533	screenInfo.i32OriginX = pFBInfo->xOrigin;
3534	screenInfo.i32OriginY = pFBInfo->yOrigin;
3535	screenInfo.u32StartOffset = 0; /* Irrelevant */
3536	screenInfo.u32LineSize = pFBInfo->u32LineSize;
3537	screenInfo.u32Width = pFBInfo->w;
3538	screenInfo.u32Height = pFBInfo->h;
3539	screenInfo.u16BitsPerPixel = pFBInfo->u16BitsPerPixel;
3540	screenInfo.u16Flags = pScreen->u16Flags \| VBVA_SCREEN_F_BLANK;
3541
3542	pScreen = &screenInfo;
3543	}
3544
3545	if (fResetInputMapping)
3546	{
3547	/// @todo Rename to m* and verify whether some kind of lock is required.
3548	xInputMappingOrigin = 0;
3549	yInputMappingOrigin = 0;
3550	cxInputMapping = 0;
3551	cyInputMapping = 0;
3552	}
3553
3554	alock.release();
3555
3556	return i_handleDisplayResize(pScreen->u32ViewIndex, pScreen->u16BitsPerPixel,
3557	(uint8_t *)pvVRAM + pScreen->u32StartOffset,
3558	pScreen->u32LineSize, pScreen->u32Width, pScreen->u32Height, pScreen->u16Flags,
3559	pScreen->i32OriginX, pScreen->i32OriginY, false);
3560	}
3561
3562	DECLCALLBACK(int) Display::i_displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
3563	uint32_t xHot, uint32_t yHot,
3564	uint32_t cx, uint32_t cy,
3565	const void *pvShape)
3566	{
3567	LogFlowFunc(("\n"));
3568	LogRel2(("%s: fVisible=%RTbool\n", __PRETTY_FUNCTION__, fVisible));
3569
3570	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3571
3572	uint32_t cbShape = 0;
3573	if (pvShape)
3574	{
3575	cbShape = (cx + 7) / 8 * cy; /* size of the AND mask */
3576	cbShape = ((cbShape + 3) & ~3) + cx * 4 * cy; /* + gap + size of the XOR mask */
3577	}
3578
3579	/* Tell the console about it */
3580	pDrv->pDisplay->mParent->i_onMousePointerShapeChange(fVisible, fAlpha,
3581	xHot, yHot, cx, cy, (uint8_t *)pvShape, cbShape);
3582
3583	return VINF_SUCCESS;
3584	}
3585
3586	DECLCALLBACK(void) Display::i_displayVBVAGuestCapabilityUpdate(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fCapabilities)
3587	{
3588	LogFlowFunc(("\n"));
3589
3590	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3591	Display *pThis = pDrv->pDisplay;
3592
3593	pThis->i_handleUpdateGuestVBVACapabilities(fCapabilities);
3594	}
3595
3596	DECLCALLBACK(void) Display::i_displayVBVAInputMappingUpdate(PPDMIDISPLAYCONNECTOR pInterface, int32_t xOrigin, int32_t yOrigin,
3597	uint32_t cx, uint32_t cy)
3598	{
3599	LogFlowFunc(("\n"));
3600
3601	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3602	Display *pThis = pDrv->pDisplay;
3603
3604	pThis->i_handleUpdateVBVAInputMapping(xOrigin, yOrigin, cx, cy);
3605	}
3606
3607	DECLCALLBACK(void) Display::i_displayVBVAReportCursorPosition(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fFlags, uint32_t aScreenId, uint32_t x, uint32_t y)
3608	{
3609	LogFlowFunc(("\n"));
3610	LogRel2(("%s: fFlags=%RU32, aScreenId=%RU32, x=%RU32, y=%RU32\n",
3611	__PRETTY_FUNCTION__, fFlags, aScreenId, x, y));
3612
3613	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3614	Display *pThis = pDrv->pDisplay;
3615
3616	if (fFlags & VBVA_CURSOR_SCREEN_RELATIVE)
3617	{
3618	AssertReturnVoid(aScreenId < pThis->mcMonitors);
3619
3620	x += pThis->maFramebuffers[aScreenId].xOrigin;
3621	y += pThis->maFramebuffers[aScreenId].yOrigin;
3622	}
3623	::FireCursorPositionChangedEvent(pThis->mParent->i_getEventSource(), RT_BOOL(fFlags & VBVA_CURSOR_VALID_DATA), x, y);
3624	}
3625
3626	#endif /* VBOX_WITH_HGSMI */
3627
3628	/**
3629	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
3630	*/
3631	DECLCALLBACK(void ) Display::i_drvQueryInterface(PPDMIBASE pInterface, const char pszIID)
3632	{
3633	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
3634	PDRVMAINDISPLAY pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3635	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
3636	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIDISPLAYCONNECTOR, &pDrv->IConnector);
3637	return NULL;
3638	}
3639
3640
3641	/**
3642	* @interface_method_impl{PDMDRVREG,pfnPowerOff,
3643	* Tries to ensure no client calls gets to HGCM or the VGA device from here on.}
3644	*/
3645	DECLCALLBACK(void) Display::i_drvPowerOff(PPDMDRVINS pDrvIns)
3646	{
3647	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3648	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3649
3650	/*
3651	* Do much of the work that i_drvDestruct does.
3652	*/
3653	if (pThis->pUpPort)
3654	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3655
3656	pThis->IConnector.pbData = NULL;
3657	pThis->IConnector.cbScanline = 0;
3658	pThis->IConnector.cBits = 32;
3659	pThis->IConnector.cx = 0;
3660	pThis->IConnector.cy = 0;
3661
3662	if (pThis->pDisplay)
3663	{
3664	AutoWriteLock displayLock(pThis->pDisplay COMMA_LOCKVAL_SRC_POS);
3665	#ifdef VBOX_WITH_RECORDING
3666	pThis->pDisplay->mParent->i_recordingStop();
3667	#endif
3668	#if defined(VBOX_WITH_VIDEOHWACCEL)
3669	pThis->pVBVACallbacks = NULL;
3670	#endif
3671	}
3672	}
3673
3674
3675	/**
3676	* Destruct a display driver instance.
3677	*
3678	* @returns VBox status code.
3679	* @param pDrvIns The driver instance data.
3680	*/
3681	DECLCALLBACK(void) Display::i_drvDestruct(PPDMDRVINS pDrvIns)
3682	{
3683	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
3684	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3685	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3686
3687	/*
3688	* We repeat much of what i_drvPowerOff does in case it wasn't called.
3689	* In addition we sever the connection between us and the display.
3690	*/
3691	if (pThis->pUpPort)
3692	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3693
3694	pThis->IConnector.pbData = NULL;
3695	pThis->IConnector.cbScanline = 0;
3696	pThis->IConnector.cBits = 32;
3697	pThis->IConnector.cx = 0;
3698	pThis->IConnector.cy = 0;
3699
3700	if (pThis->pDisplay)
3701	{
3702	AutoWriteLock displayLock(pThis->pDisplay COMMA_LOCKVAL_SRC_POS);
3703	#ifdef VBOX_WITH_RECORDING
3704	pThis->pDisplay->mParent->i_recordingStop();
3705	#endif
3706	#if defined(VBOX_WITH_VIDEOHWACCEL)
3707	pThis->pVBVACallbacks = NULL;
3708	#endif
3709
3710	pThis->pDisplay->mpDrv = NULL;
3711	pThis->pDisplay = NULL;
3712	}
3713	#if defined(VBOX_WITH_VIDEOHWACCEL)
3714	pThis->pVBVACallbacks = NULL;
3715	#endif
3716	}
3717
3718
3719	/**
3720	* Construct a display driver instance.
3721	*
3722	* @copydoc FNPDMDRVCONSTRUCT
3723	*/
3724	DECLCALLBACK(int) Display::i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
3725	{
3726	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
3727	RT_NOREF(fFlags, pCfg);
3728	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3729	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3730
3731	/*
3732	* Validate configuration.
3733	*/
3734	PDMDRV_VALIDATE_CONFIG_RETURN(pDrvIns, "", "");
3735	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
3736	("Configuration error: Not possible to attach anything to this driver!\n"),
3737	VERR_PDM_DRVINS_NO_ATTACH);
3738
3739	/*
3740	* Init Interfaces.
3741	*/
3742	pDrvIns->IBase.pfnQueryInterface = Display::i_drvQueryInterface;
3743
3744	pThis->IConnector.pfnResize = Display::i_displayResizeCallback;
3745	pThis->IConnector.pfnUpdateRect = Display::i_displayUpdateCallback;
3746	pThis->IConnector.pfnRefresh = Display::i_displayRefreshCallback;
3747	pThis->IConnector.pfnReset = Display::i_displayResetCallback;
3748	pThis->IConnector.pfnLFBModeChange = Display::i_displayLFBModeChangeCallback;
3749	pThis->IConnector.pfnProcessAdapterData = Display::i_displayProcessAdapterDataCallback;
3750	pThis->IConnector.pfnProcessDisplayData = Display::i_displayProcessDisplayDataCallback;
3751	#ifdef VBOX_WITH_VIDEOHWACCEL
3752	pThis->IConnector.pfnVHWACommandProcess = Display::i_displayVHWACommandProcess;
3753	#endif
3754	#ifdef VBOX_WITH_HGSMI
3755	pThis->IConnector.pfnVBVAEnable = Display::i_displayVBVAEnable;
3756	pThis->IConnector.pfnVBVADisable = Display::i_displayVBVADisable;
3757	pThis->IConnector.pfnVBVAUpdateBegin = Display::i_displayVBVAUpdateBegin;
3758	pThis->IConnector.pfnVBVAUpdateProcess = Display::i_displayVBVAUpdateProcess;
3759	pThis->IConnector.pfnVBVAUpdateEnd = Display::i_displayVBVAUpdateEnd;
3760	pThis->IConnector.pfnVBVAResize = Display::i_displayVBVAResize;
3761	pThis->IConnector.pfnVBVAMousePointerShape = Display::i_displayVBVAMousePointerShape;
3762	pThis->IConnector.pfnVBVAGuestCapabilityUpdate = Display::i_displayVBVAGuestCapabilityUpdate;
3763	pThis->IConnector.pfnVBVAInputMappingUpdate = Display::i_displayVBVAInputMappingUpdate;
3764	pThis->IConnector.pfnVBVAReportCursorPosition = Display::i_displayVBVAReportCursorPosition;
3765	#endif
3766	pThis->IConnector.pfn3DNotifyProcess = Display::i_display3DNotifyProcess;
3767
3768	/*
3769	* Get the IDisplayPort interface of the above driver/device.
3770	*/
3771	pThis->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYPORT);
3772	if (!pThis->pUpPort)
3773	{
3774	AssertMsgFailed(("Configuration error: No display port interface above!\n"));
3775	return VERR_PDM_MISSING_INTERFACE_ABOVE;
3776	}
3777	#if defined(VBOX_WITH_VIDEOHWACCEL)
3778	pThis->pVBVACallbacks = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYVBVACALLBACKS);
3779	if (!pThis->pVBVACallbacks)
3780	{
3781	AssertMsgFailed(("Configuration error: No VBVA callback interface above!\n"));
3782	return VERR_PDM_MISSING_INTERFACE_ABOVE;
3783	}
3784	#endif
3785	/*
3786	* Get the Display object pointer and update the mpDrv member.
3787	*/
3788	com::Guid uuid(COM_IIDOF(IDisplay));
3789	IDisplay pIDisplay = (IDisplay )PDMDrvHlpQueryGenericUserObject(pDrvIns, uuid.raw());
3790	if (!pIDisplay)
3791	{
3792	AssertMsgFailed(("Configuration error: No/bad Keyboard object!\n"));
3793	return VERR_NOT_FOUND;
3794	}
3795	pThis->pDisplay = static_cast<Display *>(pIDisplay);
3796	pThis->pDisplay->mpDrv = pThis;
3797
3798	/* Disable VRAM to a buffer copy initially. */
3799	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3800	pThis->IConnector.cBits = 32; /* DevVGA does nothing otherwise. */
3801
3802	/*
3803	* Start periodic screen refreshes
3804	*/
3805	pThis->pUpPort->pfnSetRefreshRate(pThis->pUpPort, 20);
3806
3807	return VINF_SUCCESS;
3808	}
3809
3810
3811	/**
3812	* Display driver registration record.
3813	*/
3814	const PDMDRVREG Display::DrvReg =
3815	{
3816	/* u32Version */
3817	PDM_DRVREG_VERSION,
3818	/* szName */
3819	"MainDisplay",
3820	/* szRCMod */
3821	"",
3822	/* szR0Mod */
3823	"",
3824	/* pszDescription */
3825	"Main display driver (Main as in the API).",
3826	/* fFlags */
3827	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
3828	/* fClass. */
3829	PDM_DRVREG_CLASS_DISPLAY,
3830	/* cMaxInstances */
3831	~0U,
3832	/* cbInstance */
3833	sizeof(DRVMAINDISPLAY),
3834	/* pfnConstruct */
3835	Display::i_drvConstruct,
3836	/* pfnDestruct */
3837	Display::i_drvDestruct,
3838	/* pfnRelocate */
3839	NULL,
3840	/* pfnIOCtl */
3841	NULL,
3842	/* pfnPowerOn */
3843	NULL,
3844	/* pfnReset */
3845	NULL,
3846	/* pfnSuspend */
3847	NULL,
3848	/* pfnResume */
3849	NULL,
3850	/* pfnAttach */
3851	NULL,
3852	/* pfnDetach */
3853	NULL,
3854	/* pfnPowerOff */
3855	Display::i_drvPowerOff,
3856	/* pfnSoftReset */
3857	NULL,
3858	/* u32EndVersion */
3859	PDM_DRVREG_VERSION
3860	};
3861
3862	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/src-client/DisplayImpl.cpp@ 96391

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