DisplayImpl.cpp@ 34645

Last change on this file since 34645 was 34377, checked in by vboxsync, 14 years ago
Main/Display: check framebuffer before updating it.
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1	/* $Id: DisplayImpl.cpp 34377 2010-11-25 15:40:13Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2010 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	#include "DisplayImpl.h"
19	#include "DisplayUtils.h"
20	#include "ConsoleImpl.h"
21	#include "ConsoleVRDPServer.h"
22	#include "VMMDev.h"
23
24	#include "AutoCaller.h"
25	#include "Logging.h"
26
27	#include <iprt/semaphore.h>
28	#include <iprt/thread.h>
29	#include <iprt/asm.h>
30	#include <iprt/cpp/utils.h>
31
32	#include <VBox/pdmdrv.h>
33	#ifdef DEBUG /* for VM_ASSERT_EMT(). */
34	# include <VBox/vm.h>
35	#endif
36
37	#ifdef VBOX_WITH_VIDEOHWACCEL
38	# include <VBox/VBoxVideo.h>
39	#endif
40
41	#ifdef VBOX_WITH_CROGL
42	# include <VBox/HostServices/VBoxCrOpenGLSvc.h>
43	#endif
44
45	#include <VBox/com/array.h>
46
47	/**
48	* Display driver instance data.
49	*
50	* @implements PDMIDISPLAYCONNECTOR
51	*/
52	typedef struct DRVMAINDISPLAY
53	{
54	/** Pointer to the display object. */
55	Display *pDisplay;
56	/** Pointer to the driver instance structure. */
57	PPDMDRVINS pDrvIns;
58	/** Pointer to the keyboard port interface of the driver/device above us. */
59	PPDMIDISPLAYPORT pUpPort;
60	/** Our display connector interface. */
61	PDMIDISPLAYCONNECTOR IConnector;
62	#if defined(VBOX_WITH_VIDEOHWACCEL) \|\| defined(VBOX_WITH_CRHGSMI)
63	/** VBVA callbacks */
64	PPDMIDISPLAYVBVACALLBACKS pVBVACallbacks;
65	#endif
66	} DRVMAINDISPLAY, *PDRVMAINDISPLAY;
67
68	/** Converts PDMIDISPLAYCONNECTOR pointer to a DRVMAINDISPLAY pointer. */
69	#define PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface) RT_FROM_MEMBER(pInterface, DRVMAINDISPLAY, IConnector)
70
71	#ifdef DEBUG_sunlover
72	static STAMPROFILE StatDisplayRefresh;
73	static int stam = 0;
74	#endif /* DEBUG_sunlover */
75
76	// constructor / destructor
77	/////////////////////////////////////////////////////////////////////////////
78
79	Display::Display()
80	: mParent(NULL)
81	{
82	}
83
84	Display::~Display()
85	{
86	}
87
88
89	HRESULT Display::FinalConstruct()
90	{
91	mpVbvaMemory = NULL;
92	mfVideoAccelEnabled = false;
93	mfVideoAccelVRDP = false;
94	mfu32SupportedOrders = 0;
95	mcVideoAccelVRDPRefs = 0;
96
97	mpPendingVbvaMemory = NULL;
98	mfPendingVideoAccelEnable = false;
99
100	mfMachineRunning = false;
101
102	mpu8VbvaPartial = NULL;
103	mcbVbvaPartial = 0;
104
105	mpDrv = NULL;
106	mpVMMDev = NULL;
107	mfVMMDevInited = false;
108
109	mLastAddress = NULL;
110	mLastBytesPerLine = 0;
111	mLastBitsPerPixel = 0,
112	mLastWidth = 0;
113	mLastHeight = 0;
114
115	#ifdef VBOX_WITH_OLD_VBVA_LOCK
116	int rc = RTCritSectInit(&mVBVALock);
117	AssertRC(rc);
118	mfu32PendingVideoAccelDisable = false;
119	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
120
121	#ifdef VBOX_WITH_HGSMI
122	mu32UpdateVBVAFlags = 0;
123	#endif
124
125	return S_OK;
126	}
127
128	void Display::FinalRelease()
129	{
130	uninit();
131
132	#ifdef VBOX_WITH_OLD_VBVA_LOCK
133	if (RTCritSectIsInitialized (&mVBVALock))
134	{
135	RTCritSectDelete (&mVBVALock);
136	memset (&mVBVALock, 0, sizeof (mVBVALock));
137	}
138	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
139	}
140
141	// public initializer/uninitializer for internal purposes only
142	/////////////////////////////////////////////////////////////////////////////
143
144	#define kMaxSizeThumbnail 64
145
146	/**
147	* Save thumbnail and screenshot of the guest screen.
148	*/
149	static int displayMakeThumbnail(uint8_t *pu8Data, uint32_t cx, uint32_t cy,
150	uint8_t *ppu8Thumbnail, uint32_t pcbThumbnail, uint32_t pcxThumbnail, uint32_t pcyThumbnail)
151	{
152	int rc = VINF_SUCCESS;
153
154	uint8_t *pu8Thumbnail = NULL;
155	uint32_t cbThumbnail = 0;
156	uint32_t cxThumbnail = 0;
157	uint32_t cyThumbnail = 0;
158
159	if (cx > cy)
160	{
161	cxThumbnail = kMaxSizeThumbnail;
162	cyThumbnail = (kMaxSizeThumbnail * cy) / cx;
163	}
164	else
165	{
166	cyThumbnail = kMaxSizeThumbnail;
167	cxThumbnail = (kMaxSizeThumbnail * cx) / cy;
168	}
169
170	LogFlowFunc(("%dx%d -> %dx%d\n", cx, cy, cxThumbnail, cyThumbnail));
171
172	cbThumbnail = cxThumbnail * 4 * cyThumbnail;
173	pu8Thumbnail = (uint8_t *)RTMemAlloc(cbThumbnail);
174
175	if (pu8Thumbnail)
176	{
177	uint8_t *dst = pu8Thumbnail;
178	uint8_t *src = pu8Data;
179	int dstW = cxThumbnail;
180	int dstH = cyThumbnail;
181	int srcW = cx;
182	int srcH = cy;
183	int iDeltaLine = cx * 4;
184
185	BitmapScale32 (dst,
186	dstW, dstH,
187	src,
188	iDeltaLine,
189	srcW, srcH);
190
191	*ppu8Thumbnail = pu8Thumbnail;
192	*pcbThumbnail = cbThumbnail;
193	*pcxThumbnail = cxThumbnail;
194	*pcyThumbnail = cyThumbnail;
195	}
196	else
197	{
198	rc = VERR_NO_MEMORY;
199	}
200
201	return rc;
202	}
203
204	DECLCALLBACK(void)
205	Display::displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser)
206	{
207	Display that = static_cast<Display>(pvUser);
208
209	/* 32bpp small RGB image. */
210	uint8_t *pu8Thumbnail = NULL;
211	uint32_t cbThumbnail = 0;
212	uint32_t cxThumbnail = 0;
213	uint32_t cyThumbnail = 0;
214
215	/* PNG screenshot. */
216	uint8_t *pu8PNG = NULL;
217	uint32_t cbPNG = 0;
218	uint32_t cxPNG = 0;
219	uint32_t cyPNG = 0;
220
221	Console::SafeVMPtr pVM (that->mParent);
222	if (SUCCEEDED(pVM.rc()))
223	{
224	/* Query RGB bitmap. */
225	uint8_t *pu8Data = NULL;
226	size_t cbData = 0;
227	uint32_t cx = 0;
228	uint32_t cy = 0;
229
230	/* SSM code is executed on EMT(0), therefore no need to use VMR3ReqCallWait. */
231	#ifdef VBOX_WITH_OLD_VBVA_LOCK
232	int rc = Display::displayTakeScreenshotEMT(that, VBOX_VIDEO_PRIMARY_SCREEN, &pu8Data, &cbData, &cx, &cy);
233	#else
234	int rc = that->mpDrv->pUpPort->pfnTakeScreenshot (that->mpDrv->pUpPort, &pu8Data, &cbData, &cx, &cy);
235	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
236
237	/*
238	* It is possible that success is returned but everything is 0 or NULL.
239	* (no display attached if a VM is running with VBoxHeadless on OSE for example)
240	*/
241	if (RT_SUCCESS(rc) && pu8Data)
242	{
243	Assert(cx && cy);
244
245	/* Prepare a small thumbnail and a PNG screenshot. */
246	displayMakeThumbnail(pu8Data, cx, cy, &pu8Thumbnail, &cbThumbnail, &cxThumbnail, &cyThumbnail);
247	DisplayMakePNG(pu8Data, cx, cy, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 1);
248
249	/* This can be called from any thread. */
250	that->mpDrv->pUpPort->pfnFreeScreenshot (that->mpDrv->pUpPort, pu8Data);
251	}
252	}
253	else
254	{
255	LogFunc(("Failed to get VM pointer 0x%x\n", pVM.rc()));
256	}
257
258	/* Regardless of rc, save what is available:
259	* Data format:
260	* uint32_t cBlocks;
261	* [blocks]
262	*
263	* Each block is:
264	* uint32_t cbBlock; if 0 - no 'block data'.
265	* uint32_t typeOfBlock; 0 - 32bpp RGB bitmap, 1 - PNG, ignored if 'cbBlock' is 0.
266	* [block data]
267	*
268	* Block data for bitmap and PNG:
269	* uint32_t cx;
270	* uint32_t cy;
271	* [image data]
272	*/
273	SSMR3PutU32(pSSM, 2); /* Write thumbnail and PNG screenshot. */
274
275	/* First block. */
276	SSMR3PutU32(pSSM, cbThumbnail + 2 * sizeof (uint32_t));
277	SSMR3PutU32(pSSM, 0); /* Block type: thumbnail. */
278
279	if (cbThumbnail)
280	{
281	SSMR3PutU32(pSSM, cxThumbnail);
282	SSMR3PutU32(pSSM, cyThumbnail);
283	SSMR3PutMem(pSSM, pu8Thumbnail, cbThumbnail);
284	}
285
286	/* Second block. */
287	SSMR3PutU32(pSSM, cbPNG + 2 * sizeof (uint32_t));
288	SSMR3PutU32(pSSM, 1); /* Block type: png. */
289
290	if (cbPNG)
291	{
292	SSMR3PutU32(pSSM, cxPNG);
293	SSMR3PutU32(pSSM, cyPNG);
294	SSMR3PutMem(pSSM, pu8PNG, cbPNG);
295	}
296
297	RTMemFree(pu8PNG);
298	RTMemFree(pu8Thumbnail);
299	}
300
301	DECLCALLBACK(int)
302	Display::displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
303	{
304	Display that = static_cast<Display>(pvUser);
305
306	if (uVersion != sSSMDisplayScreenshotVer)
307	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
308	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
309
310	/* Skip data. */
311	uint32_t cBlocks;
312	int rc = SSMR3GetU32(pSSM, &cBlocks);
313	AssertRCReturn(rc, rc);
314
315	for (uint32_t i = 0; i < cBlocks; i++)
316	{
317	uint32_t cbBlock;
318	rc = SSMR3GetU32(pSSM, &cbBlock);
319	AssertRCBreak(rc);
320
321	uint32_t typeOfBlock;
322	rc = SSMR3GetU32(pSSM, &typeOfBlock);
323	AssertRCBreak(rc);
324
325	LogFlowFunc(("[%d] type %d, size %d bytes\n", i, typeOfBlock, cbBlock));
326
327	/* Note: displaySSMSaveScreenshot writes size of a block = 8 and
328	* do not write any data if the image size was 0.
329	* @todo Fix and increase saved state version.
330	*/
331	if (cbBlock > 2 * sizeof (uint32_t))
332	{
333	rc = SSMR3Skip(pSSM, cbBlock);
334	AssertRCBreak(rc);
335	}
336	}
337
338	return rc;
339	}
340
341	/**
342	* Save/Load some important guest state
343	*/
344	DECLCALLBACK(void)
345	Display::displaySSMSave(PSSMHANDLE pSSM, void *pvUser)
346	{
347	Display that = static_cast<Display>(pvUser);
348
349	SSMR3PutU32(pSSM, that->mcMonitors);
350	for (unsigned i = 0; i < that->mcMonitors; i++)
351	{
352	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32Offset);
353	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32MaxFramebufferSize);
354	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32InformationSize);
355	SSMR3PutU32(pSSM, that->maFramebuffers[i].w);
356	SSMR3PutU32(pSSM, that->maFramebuffers[i].h);
357	}
358	}
359
360	DECLCALLBACK(int)
361	Display::displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
362	{
363	Display that = static_cast<Display>(pvUser);
364
365	if (!( uVersion == sSSMDisplayVer
366	\|\| uVersion == sSSMDisplayVer2))
367	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
368	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
369
370	uint32_t cMonitors;
371	int rc = SSMR3GetU32(pSSM, &cMonitors);
372	if (cMonitors != that->mcMonitors)
373	return SSMR3SetCfgError(pSSM, RT_SRC_POS, N_("Number of monitors changed (%d->%d)!"), cMonitors, that->mcMonitors);
374
375	for (uint32_t i = 0; i < cMonitors; i++)
376	{
377	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32Offset);
378	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32MaxFramebufferSize);
379	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32InformationSize);
380	if (uVersion == sSSMDisplayVer2)
381	{
382	uint32_t w;
383	uint32_t h;
384	SSMR3GetU32(pSSM, &w);
385	SSMR3GetU32(pSSM, &h);
386	that->maFramebuffers[i].w = w;
387	that->maFramebuffers[i].h = h;
388	}
389	}
390
391	return VINF_SUCCESS;
392	}
393
394	/**
395	* Initializes the display object.
396	*
397	* @returns COM result indicator
398	* @param parent handle of our parent object
399	* @param qemuConsoleData address of common console data structure
400	*/
401	HRESULT Display::init (Console *aParent)
402	{
403	LogFlowThisFunc(("aParent=%p\n", aParent));
404
405	ComAssertRet(aParent, E_INVALIDARG);
406
407	/* Enclose the state transition NotReady->InInit->Ready */
408	AutoInitSpan autoInitSpan(this);
409	AssertReturn(autoInitSpan.isOk(), E_FAIL);
410
411	unconst(mParent) = aParent;
412
413	// by default, we have an internal framebuffer which is
414	// NULL, i.e. a black hole for no display output
415	mFramebufferOpened = false;
416
417	ULONG ul;
418	mParent->machine()->COMGETTER(MonitorCount)(&ul);
419	mcMonitors = ul;
420
421	for (ul = 0; ul < mcMonitors; ul++)
422	{
423	maFramebuffers[ul].u32Offset = 0;
424	maFramebuffers[ul].u32MaxFramebufferSize = 0;
425	maFramebuffers[ul].u32InformationSize = 0;
426
427	maFramebuffers[ul].pFramebuffer = NULL;
428
429	maFramebuffers[ul].xOrigin = 0;
430	maFramebuffers[ul].yOrigin = 0;
431
432	maFramebuffers[ul].w = 0;
433	maFramebuffers[ul].h = 0;
434
435	maFramebuffers[ul].u16BitsPerPixel = 0;
436	maFramebuffers[ul].pu8FramebufferVRAM = NULL;
437	maFramebuffers[ul].u32LineSize = 0;
438
439	maFramebuffers[ul].pHostEvents = NULL;
440
441	maFramebuffers[ul].u32ResizeStatus = ResizeStatus_Void;
442
443	maFramebuffers[ul].fDefaultFormat = false;
444
445	memset (&maFramebuffers[ul].dirtyRect, 0 , sizeof (maFramebuffers[ul].dirtyRect));
446	memset (&maFramebuffers[ul].pendingResize, 0 , sizeof (maFramebuffers[ul].pendingResize));
447	#ifdef VBOX_WITH_HGSMI
448	maFramebuffers[ul].fVBVAEnabled = false;
449	maFramebuffers[ul].cVBVASkipUpdate = 0;
450	memset (&maFramebuffers[ul].vbvaSkippedRect, 0, sizeof (maFramebuffers[ul].vbvaSkippedRect));
451	maFramebuffers[ul].pVBVAHostFlags = NULL;
452	#endif /* VBOX_WITH_HGSMI */
453	}
454
455	{
456	// register listener for state change events
457	ComPtr<IEventSource> es;
458	mParent->COMGETTER(EventSource)(es.asOutParam());
459	com::SafeArray <VBoxEventType_T> eventTypes;
460	eventTypes.push_back(VBoxEventType_OnStateChanged);
461	es->RegisterListener(this, ComSafeArrayAsInParam(eventTypes), true);
462	}
463
464	/* Confirm a successful initialization */
465	autoInitSpan.setSucceeded();
466
467	return S_OK;
468	}
469
470	/**
471	* Uninitializes the instance and sets the ready flag to FALSE.
472	* Called either from FinalRelease() or by the parent when it gets destroyed.
473	*/
474	void Display::uninit()
475	{
476	LogFlowThisFunc(("\n"));
477
478	/* Enclose the state transition Ready->InUninit->NotReady */
479	AutoUninitSpan autoUninitSpan(this);
480	if (autoUninitSpan.uninitDone())
481	return;
482
483	ULONG ul;
484	for (ul = 0; ul < mcMonitors; ul++)
485	maFramebuffers[ul].pFramebuffer = NULL;
486
487	if (mParent)
488	{
489	ComPtr<IEventSource> es;
490	mParent->COMGETTER(EventSource)(es.asOutParam());
491	es->UnregisterListener(this);
492	}
493
494	unconst(mParent) = NULL;
495
496	if (mpDrv)
497	mpDrv->pDisplay = NULL;
498
499	mpDrv = NULL;
500	mpVMMDev = NULL;
501	mfVMMDevInited = true;
502	}
503
504	/**
505	* Register the SSM methods. Called by the power up thread to be able to
506	* pass pVM
507	*/
508	int Display::registerSSM(PVM pVM)
509	{
510	/* Newest version adds width and height of the framebuffer */
511	int rc = SSMR3RegisterExternal(pVM, "DisplayData", 0, sSSMDisplayVer2,
512	mcMonitors * sizeof(uint32_t) * 5 + sizeof(uint32_t),
513	NULL, NULL, NULL,
514	NULL, displaySSMSave, NULL,
515	NULL, displaySSMLoad, NULL, this);
516	AssertRCReturn(rc, rc);
517
518	/*
519	* Register loaders for old saved states where iInstance was 3 * sizeof(uint32_t *).
520	*/
521	rc = SSMR3RegisterExternal(pVM, "DisplayData", 12 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
522	NULL, NULL, NULL,
523	NULL, NULL, NULL,
524	NULL, displaySSMLoad, NULL, this);
525	AssertRCReturn(rc, rc);
526
527	rc = SSMR3RegisterExternal(pVM, "DisplayData", 24 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
528	NULL, NULL, NULL,
529	NULL, NULL, NULL,
530	NULL, displaySSMLoad, NULL, this);
531	AssertRCReturn(rc, rc);
532
533	/* uInstance is an arbitrary value greater than 1024. Such a value will ensure a quick seek in saved state file. */
534	rc = SSMR3RegisterExternal(pVM, "DisplayScreenshot", 1100 /uInstance/, sSSMDisplayScreenshotVer, 0 /cbGuess/,
535	NULL, NULL, NULL,
536	NULL, displaySSMSaveScreenshot, NULL,
537	NULL, displaySSMLoadScreenshot, NULL, this);
538
539	AssertRCReturn(rc, rc);
540
541	return VINF_SUCCESS;
542	}
543
544	// IEventListener method
545	STDMETHODIMP Display::HandleEvent(IEvent * aEvent)
546	{
547	VBoxEventType_T aType = VBoxEventType_Invalid;
548
549	aEvent->COMGETTER(Type)(&aType);
550	switch (aType)
551	{
552	case VBoxEventType_OnStateChanged:
553	{
554	ComPtr<IStateChangedEvent> scev = aEvent;
555	Assert(scev);
556	MachineState_T machineState;
557	scev->COMGETTER(State)(&machineState);
558	if ( machineState == MachineState_Running
559	\|\| machineState == MachineState_Teleporting
560	\|\| machineState == MachineState_LiveSnapshotting
561	)
562	{
563	LogFlowFunc(("Machine is running.\n"));
564
565	mfMachineRunning = true;
566	}
567	else
568	mfMachineRunning = false;
569	break;
570	}
571	default:
572	AssertFailed();
573	}
574
575	return S_OK;
576	}
577
578	// public methods only for internal purposes
579	/////////////////////////////////////////////////////////////////////////////
580
581	/**
582	* @thread EMT
583	*/
584	static int callFramebufferResize (IFramebuffer *pFramebuffer, unsigned uScreenId,
585	ULONG pixelFormat, void *pvVRAM,
586	uint32_t bpp, uint32_t cbLine,
587	int w, int h)
588	{
589	Assert (pFramebuffer);
590
591	/* Call the framebuffer to try and set required pixelFormat. */
592	BOOL finished = TRUE;
593
594	pFramebuffer->RequestResize (uScreenId, pixelFormat, (BYTE *) pvVRAM,
595	bpp, cbLine, w, h, &finished);
596
597	if (!finished)
598	{
599	LogFlowFunc (("External framebuffer wants us to wait!\n"));
600	return VINF_VGA_RESIZE_IN_PROGRESS;
601	}
602
603	return VINF_SUCCESS;
604	}
605
606	/**
607	* Handles display resize event.
608	* Disables access to VGA device;
609	* calls the framebuffer RequestResize method;
610	* if framebuffer resizes synchronously,
611	* updates the display connector data and enables access to the VGA device.
612	*
613	* @param w New display width
614	* @param h New display height
615	*
616	* @thread EMT
617	*/
618	int Display::handleDisplayResize (unsigned uScreenId, uint32_t bpp, void *pvVRAM,
619	uint32_t cbLine, int w, int h)
620	{
621	LogRel (("Display::handleDisplayResize(): uScreenId = %d, pvVRAM=%p "
622	"w=%d h=%d bpp=%d cbLine=0x%X\n",
623	uScreenId, pvVRAM, w, h, bpp, cbLine));
624
625	/* If there is no framebuffer, this call is not interesting. */
626	if ( uScreenId >= mcMonitors
627	\|\| maFramebuffers[uScreenId].pFramebuffer.isNull())
628	{
629	return VINF_SUCCESS;
630	}
631
632	mLastAddress = pvVRAM;
633	mLastBytesPerLine = cbLine;
634	mLastBitsPerPixel = bpp,
635	mLastWidth = w;
636	mLastHeight = h;
637
638	ULONG pixelFormat;
639
640	switch (bpp)
641	{
642	case 32:
643	case 24:
644	case 16:
645	pixelFormat = FramebufferPixelFormat_FOURCC_RGB;
646	break;
647	default:
648	pixelFormat = FramebufferPixelFormat_Opaque;
649	bpp = cbLine = 0;
650	break;
651	}
652
653	/* Atomically set the resize status before calling the framebuffer. The new InProgress status will
654	* disable access to the VGA device by the EMT thread.
655	*/
656	bool f = ASMAtomicCmpXchgU32 (&maFramebuffers[uScreenId].u32ResizeStatus,
657	ResizeStatus_InProgress, ResizeStatus_Void);
658	if (!f)
659	{
660	/* This could be a result of the screenshot taking call Display::TakeScreenShot:
661	* if the framebuffer is processing the resize request and GUI calls the TakeScreenShot
662	* and the guest has reprogrammed the virtual VGA devices again so a new resize is required.
663	*
664	* Save the resize information and return the pending status code.
665	*
666	* Note: the resize information is only accessed on EMT so no serialization is required.
667	*/
668	LogRel (("Display::handleDisplayResize(): Warning: resize postponed.\n"));
669
670	maFramebuffers[uScreenId].pendingResize.fPending = true;
671	maFramebuffers[uScreenId].pendingResize.pixelFormat = pixelFormat;
672	maFramebuffers[uScreenId].pendingResize.pvVRAM = pvVRAM;
673	maFramebuffers[uScreenId].pendingResize.bpp = bpp;
674	maFramebuffers[uScreenId].pendingResize.cbLine = cbLine;
675	maFramebuffers[uScreenId].pendingResize.w = w;
676	maFramebuffers[uScreenId].pendingResize.h = h;
677
678	return VINF_VGA_RESIZE_IN_PROGRESS;
679	}
680
681	int rc = callFramebufferResize (maFramebuffers[uScreenId].pFramebuffer, uScreenId,
682	pixelFormat, pvVRAM, bpp, cbLine, w, h);
683	if (rc == VINF_VGA_RESIZE_IN_PROGRESS)
684	{
685	/* Immediately return to the caller. ResizeCompleted will be called back by the
686	* GUI thread. The ResizeCompleted callback will change the resize status from
687	* InProgress to UpdateDisplayData. The latter status will be checked by the
688	* display timer callback on EMT and all required adjustments will be done there.
689	*/
690	return rc;
691	}
692
693	/* Set the status so the 'handleResizeCompleted' would work. */
694	f = ASMAtomicCmpXchgU32 (&maFramebuffers[uScreenId].u32ResizeStatus,
695	ResizeStatus_UpdateDisplayData, ResizeStatus_InProgress);
696	AssertRelease(f);NOREF(f);
697
698	AssertRelease(!maFramebuffers[uScreenId].pendingResize.fPending);
699
700	/* The method also unlocks the framebuffer. */
701	handleResizeCompletedEMT();
702
703	return VINF_SUCCESS;
704	}
705
706	/**
707	* Framebuffer has been resized.
708	* Read the new display data and unlock the framebuffer.
709	*
710	* @thread EMT
711	*/
712	void Display::handleResizeCompletedEMT (void)
713	{
714	LogFlowFunc(("\n"));
715
716	unsigned uScreenId;
717	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
718	{
719	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
720
721	/* Try to into non resizing state. */
722	bool f = ASMAtomicCmpXchgU32 (&pFBInfo->u32ResizeStatus, ResizeStatus_Void, ResizeStatus_UpdateDisplayData);
723
724	if (f == false)
725	{
726	/* This is not the display that has completed resizing. */
727	continue;
728	}
729
730	/* Check whether a resize is pending for this framebuffer. */
731	if (pFBInfo->pendingResize.fPending)
732	{
733	/* Reset the condition, call the display resize with saved data and continue.
734	*
735	* Note: handleDisplayResize can call handleResizeCompletedEMT back,
736	* but infinite recursion is not possible, because when the handleResizeCompletedEMT
737	* is called, the pFBInfo->pendingResize.fPending is equal to false.
738	*/
739	pFBInfo->pendingResize.fPending = false;
740	handleDisplayResize (uScreenId, pFBInfo->pendingResize.bpp, pFBInfo->pendingResize.pvVRAM,
741	pFBInfo->pendingResize.cbLine, pFBInfo->pendingResize.w, pFBInfo->pendingResize.h);
742	continue;
743	}
744
745	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && !pFBInfo->pFramebuffer.isNull())
746	{
747	/* Primary framebuffer has completed the resize. Update the connector data for VGA device. */
748	updateDisplayData();
749
750	/* Check the framebuffer pixel format to setup the rendering in VGA device. */
751	BOOL usesGuestVRAM = FALSE;
752	pFBInfo->pFramebuffer->COMGETTER(UsesGuestVRAM) (&usesGuestVRAM);
753
754	pFBInfo->fDefaultFormat = (usesGuestVRAM == FALSE);
755
756	mpDrv->pUpPort->pfnSetRenderVRAM (mpDrv->pUpPort, pFBInfo->fDefaultFormat);
757	}
758	else if (!pFBInfo->pFramebuffer.isNull())
759	{
760	BOOL usesGuestVRAM = FALSE;
761	pFBInfo->pFramebuffer->COMGETTER(UsesGuestVRAM) (&usesGuestVRAM);
762
763	pFBInfo->fDefaultFormat = (usesGuestVRAM == FALSE);
764	}
765	LogFlow(("[%d]: default format %d\n", uScreenId, pFBInfo->fDefaultFormat));
766
767	#ifdef DEBUG_sunlover
768	if (!stam)
769	{
770	/* protect mpVM */
771	Console::SafeVMPtr pVM (mParent);
772	AssertComRC (pVM.rc());
773
774	STAM_REG(pVM, &StatDisplayRefresh, STAMTYPE_PROFILE, "/PROF/Display/Refresh", STAMUNIT_TICKS_PER_CALL, "Time spent in EMT for display updates.");
775	stam = 1;
776	}
777	#endif /* DEBUG_sunlover */
778
779	/* Inform VRDP server about the change of display parameters. */
780	LogFlowFunc (("Calling VRDP\n"));
781	mParent->consoleVRDPServer()->SendResize();
782
783	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
784	{
785	BOOL is3denabled;
786	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
787
788	if (is3denabled)
789	{
790	VBOXHGCMSVCPARM parm;
791
792	parm.type = VBOX_HGCM_SVC_PARM_32BIT;
793	parm.u.uint32 = uScreenId;
794
795	VMMDev *pVMMDev = mParent->getVMMDev();
796	if (pVMMDev)
797	pVMMDev->hgcmHostCall("VBoxSharedCrOpenGL", SHCRGL_HOST_FN_SCREEN_CHANGED, SHCRGL_CPARMS_SCREEN_CHANGED, &parm);
798	}
799	}
800	#endif /* VBOX_WITH_CROGL */
801	}
802	}
803
804	static void checkCoordBounds (int px, int py, int pw, int ph, int cx, int cy)
805	{
806	/* Correct negative x and y coordinates. */
807	if (*px < 0)
808	{
809	px += pw; /* Compute xRight which is also the new width. */
810
811	pw = (px < 0)? 0: *px;
812
813	*px = 0;
814	}
815
816	if (*py < 0)
817	{
818	py += ph; /* Compute xBottom, which is also the new height. */
819
820	ph = (py < 0)? 0: *py;
821
822	*py = 0;
823	}
824
825	/* Also check if coords are greater than the display resolution. */
826	if (px + pw > cx)
827	{
828	pw = cx > px? cx - *px: 0;
829	}
830
831	if (py + ph > cy)
832	{
833	ph = cy > py? cy - *py: 0;
834	}
835	}
836
837	unsigned mapCoordsToScreen(DISPLAYFBINFO pInfos, unsigned cInfos, int px, int py, int pw, int *ph)
838	{
839	DISPLAYFBINFO *pInfo = pInfos;
840	unsigned uScreenId;
841	LogSunlover (("mapCoordsToScreen: %d,%d %dx%d\n", px, py, pw, ph));
842	for (uScreenId = 0; uScreenId < cInfos; uScreenId++, pInfo++)
843	{
844	LogSunlover ((" [%d] %d,%d %dx%d\n", uScreenId, pInfo->xOrigin, pInfo->yOrigin, pInfo->w, pInfo->h));
845	if ( (pInfo->xOrigin <= px && px < pInfo->xOrigin + (int)pInfo->w)
846	&& (pInfo->yOrigin <= py && py < pInfo->yOrigin + (int)pInfo->h))
847	{
848	/* The rectangle belongs to the screen. Correct coordinates. */
849	*px -= pInfo->xOrigin;
850	*py -= pInfo->yOrigin;
851	LogSunlover ((" -> %d,%d", px, py));
852	break;
853	}
854	}
855	if (uScreenId == cInfos)
856	{
857	/* Map to primary screen. */
858	uScreenId = 0;
859	}
860	LogSunlover ((" scr %d\n", uScreenId));
861	return uScreenId;
862	}
863
864
865	/**
866	* Handles display update event.
867	*
868	* @param x Update area x coordinate
869	* @param y Update area y coordinate
870	* @param w Update area width
871	* @param h Update area height
872	*
873	* @thread EMT
874	*/
875	void Display::handleDisplayUpdate (int x, int y, int w, int h)
876	{
877	#ifdef VBOX_WITH_OLD_VBVA_LOCK
878	/*
879	* Always runs under either VBVA lock or, for HGSMI, DevVGA lock.
880	* Safe to use VBVA vars and take the framebuffer lock.
881	*/
882	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
883
884	#ifdef DEBUG_sunlover
885	LogFlowFunc (("%d,%d %dx%d (%d,%d)\n",
886	x, y, w, h, mpDrv->IConnector.cx, mpDrv->IConnector.cy));
887	#endif /* DEBUG_sunlover */
888
889	unsigned uScreenId = mapCoordsToScreen(maFramebuffers, mcMonitors, &x, &y, &w, &h);
890
891	#ifdef DEBUG_sunlover
892	LogFlowFunc (("%d,%d %dx%d (checked)\n", x, y, w, h));
893	#endif /* DEBUG_sunlover */
894
895	IFramebuffer *pFramebuffer = maFramebuffers[uScreenId].pFramebuffer;
896
897	// if there is no framebuffer, this call is not interesting
898	if (pFramebuffer == NULL)
899	return;
900
901	pFramebuffer->Lock();
902
903	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
904	checkCoordBounds (&x, &y, &w, &h, mpDrv->IConnector.cx, mpDrv->IConnector.cy);
905	else
906	checkCoordBounds (&x, &y, &w, &h, maFramebuffers[uScreenId].w,
907	maFramebuffers[uScreenId].h);
908
909	if (w != 0 && h != 0)
910	pFramebuffer->NotifyUpdate(x, y, w, h);
911
912	pFramebuffer->Unlock();
913
914	#ifndef VBOX_WITH_HGSMI
915	if (!mfVideoAccelEnabled)
916	{
917	#else
918	if (!mfVideoAccelEnabled && !maFramebuffers[uScreenId].fVBVAEnabled)
919	{
920	#endif /* VBOX_WITH_HGSMI */
921	/* When VBVA is enabled, the VRDP server is informed in the VideoAccelFlush.
922	* Inform the server here only if VBVA is disabled.
923	*/
924	if (maFramebuffers[uScreenId].u32ResizeStatus == ResizeStatus_Void)
925	mParent->consoleVRDPServer()->SendUpdateBitmap(uScreenId, x, y, w, h);
926	}
927	}
928
929	#ifdef MMSEAMLESS
930	static bool displayIntersectRect(RTRECT *prectResult,
931	const RTRECT *prect1,
932	const RTRECT *prect2)
933	{
934	/* Initialize result to an empty record. */
935	memset (prectResult, 0, sizeof (RTRECT));
936
937	int xLeftResult = RT_MAX(prect1->xLeft, prect2->xLeft);
938	int xRightResult = RT_MIN(prect1->xRight, prect2->xRight);
939
940	if (xLeftResult < xRightResult)
941	{
942	/* There is intersection by X. */
943
944	int yTopResult = RT_MAX(prect1->yTop, prect2->yTop);
945	int yBottomResult = RT_MIN(prect1->yBottom, prect2->yBottom);
946
947	if (yTopResult < yBottomResult)
948	{
949	/* There is intersection by Y. */
950
951	prectResult->xLeft = xLeftResult;
952	prectResult->yTop = yTopResult;
953	prectResult->xRight = xRightResult;
954	prectResult->yBottom = yBottomResult;
955
956	return true;
957	}
958	}
959
960	return false;
961	}
962
963	int Display::handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect)
964	{
965	RTRECT pVisibleRegion = (RTRECT )RTMemTmpAlloc(cRect * sizeof (RTRECT));
966	if (!pVisibleRegion)
967	{
968	return VERR_NO_TMP_MEMORY;
969	}
970
971	unsigned uScreenId;
972	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
973	{
974	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
975
976	if (!pFBInfo->pFramebuffer.isNull())
977	{
978	/* Prepare a new array of rectangles which intersect with the framebuffer.
979	*/
980	RTRECT rectFramebuffer;
981	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
982	{
983	rectFramebuffer.xLeft = 0;
984	rectFramebuffer.yTop = 0;
985	if (mpDrv)
986	{
987	rectFramebuffer.xRight = mpDrv->IConnector.cx;
988	rectFramebuffer.yBottom = mpDrv->IConnector.cy;
989	}
990	else
991	{
992	rectFramebuffer.xRight = 0;
993	rectFramebuffer.yBottom = 0;
994	}
995	}
996	else
997	{
998	rectFramebuffer.xLeft = pFBInfo->xOrigin;
999	rectFramebuffer.yTop = pFBInfo->yOrigin;
1000	rectFramebuffer.xRight = pFBInfo->xOrigin + pFBInfo->w;
1001	rectFramebuffer.yBottom = pFBInfo->yOrigin + pFBInfo->h;
1002	}
1003
1004	uint32_t cRectVisibleRegion = 0;
1005
1006	uint32_t i;
1007	for (i = 0; i < cRect; i++)
1008	{
1009	if (displayIntersectRect(&pVisibleRegion[cRectVisibleRegion], &pRect[i], &rectFramebuffer))
1010	{
1011	pVisibleRegion[cRectVisibleRegion].xLeft -= pFBInfo->xOrigin;
1012	pVisibleRegion[cRectVisibleRegion].yTop -= pFBInfo->yOrigin;
1013	pVisibleRegion[cRectVisibleRegion].xRight -= pFBInfo->xOrigin;
1014	pVisibleRegion[cRectVisibleRegion].yBottom -= pFBInfo->yOrigin;
1015
1016	cRectVisibleRegion++;
1017	}
1018	}
1019
1020	if (cRectVisibleRegion > 0)
1021	{
1022	pFBInfo->pFramebuffer->SetVisibleRegion((BYTE *)pVisibleRegion, cRectVisibleRegion);
1023	}
1024	}
1025	}
1026
1027	#if defined(RT_OS_DARWIN) && defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
1028	// @todo fix for multimonitor
1029	BOOL is3denabled = FALSE;
1030
1031	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
1032
1033	VMMDev *vmmDev = mParent->getVMMDev();
1034	if (is3denabled && vmmDev)
1035	{
1036	VBOXHGCMSVCPARM parms[2];
1037
1038	parms[0].type = VBOX_HGCM_SVC_PARM_PTR;
1039	parms[0].u.pointer.addr = pRect;
1040	parms[0].u.pointer.size = 0; /* We don't actually care. */
1041	parms[1].type = VBOX_HGCM_SVC_PARM_32BIT;
1042	parms[1].u.uint32 = cRect;
1043
1044	vmmDev->hgcmHostCall("VBoxSharedCrOpenGL", SHCRGL_HOST_FN_SET_VISIBLE_REGION, 2, &parms[0]);
1045	}
1046	#endif
1047
1048	RTMemTmpFree(pVisibleRegion);
1049
1050	return VINF_SUCCESS;
1051	}
1052
1053	int Display::handleQueryVisibleRegion(uint32_t *pcRect, PRTRECT pRect)
1054	{
1055	// @todo Currently not used by the guest and is not implemented in framebuffers. Remove?
1056	return VERR_NOT_SUPPORTED;
1057	}
1058	#endif
1059
1060	typedef struct _VBVADIRTYREGION
1061	{
1062	/* Copies of object's pointers used by vbvaRgn functions. */
1063	DISPLAYFBINFO *paFramebuffers;
1064	unsigned cMonitors;
1065	Display *pDisplay;
1066	PPDMIDISPLAYPORT pPort;
1067
1068	} VBVADIRTYREGION;
1069
1070	static void vbvaRgnInit (VBVADIRTYREGION prgn, DISPLAYFBINFO paFramebuffers, unsigned cMonitors, Display *pd, PPDMIDISPLAYPORT pp)
1071	{
1072	prgn->paFramebuffers = paFramebuffers;
1073	prgn->cMonitors = cMonitors;
1074	prgn->pDisplay = pd;
1075	prgn->pPort = pp;
1076
1077	unsigned uScreenId;
1078	for (uScreenId = 0; uScreenId < cMonitors; uScreenId++)
1079	{
1080	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1081
1082	memset (&pFBInfo->dirtyRect, 0, sizeof (pFBInfo->dirtyRect));
1083	}
1084	}
1085
1086	static void vbvaRgnDirtyRect (VBVADIRTYREGION prgn, unsigned uScreenId, VBVACMDHDR phdr)
1087	{
1088	LogSunlover (("x = %d, y = %d, w = %d, h = %d\n",
1089	phdr->x, phdr->y, phdr->w, phdr->h));
1090
1091	/*
1092	* Here update rectangles are accumulated to form an update area.
1093	* @todo
1094	* Now the simplest method is used which builds one rectangle that
1095	* includes all update areas. A bit more advanced method can be
1096	* employed here. The method should be fast however.
1097	*/
1098	if (phdr->w == 0 \|\| phdr->h == 0)
1099	{
1100	/* Empty rectangle. */
1101	return;
1102	}
1103
1104	int32_t xRight = phdr->x + phdr->w;
1105	int32_t yBottom = phdr->y + phdr->h;
1106
1107	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1108
1109	if (pFBInfo->dirtyRect.xRight == 0)
1110	{
1111	/* This is the first rectangle to be added. */
1112	pFBInfo->dirtyRect.xLeft = phdr->x;
1113	pFBInfo->dirtyRect.yTop = phdr->y;
1114	pFBInfo->dirtyRect.xRight = xRight;
1115	pFBInfo->dirtyRect.yBottom = yBottom;
1116	}
1117	else
1118	{
1119	/* Adjust region coordinates. */
1120	if (pFBInfo->dirtyRect.xLeft > phdr->x)
1121	{
1122	pFBInfo->dirtyRect.xLeft = phdr->x;
1123	}
1124
1125	if (pFBInfo->dirtyRect.yTop > phdr->y)
1126	{
1127	pFBInfo->dirtyRect.yTop = phdr->y;
1128	}
1129
1130	if (pFBInfo->dirtyRect.xRight < xRight)
1131	{
1132	pFBInfo->dirtyRect.xRight = xRight;
1133	}
1134
1135	if (pFBInfo->dirtyRect.yBottom < yBottom)
1136	{
1137	pFBInfo->dirtyRect.yBottom = yBottom;
1138	}
1139	}
1140
1141	if (pFBInfo->fDefaultFormat)
1142	{
1143	//@todo pfnUpdateDisplayRect must take the vram offset parameter for the framebuffer
1144	prgn->pPort->pfnUpdateDisplayRect (prgn->pPort, phdr->x, phdr->y, phdr->w, phdr->h);
1145	prgn->pDisplay->handleDisplayUpdate (phdr->x + pFBInfo->xOrigin,
1146	phdr->y + pFBInfo->yOrigin, phdr->w, phdr->h);
1147	}
1148
1149	return;
1150	}
1151
1152	static void vbvaRgnUpdateFramebuffer (VBVADIRTYREGION *prgn, unsigned uScreenId)
1153	{
1154	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1155
1156	uint32_t w = pFBInfo->dirtyRect.xRight - pFBInfo->dirtyRect.xLeft;
1157	uint32_t h = pFBInfo->dirtyRect.yBottom - pFBInfo->dirtyRect.yTop;
1158
1159	if (!pFBInfo->fDefaultFormat && pFBInfo->pFramebuffer && w != 0 && h != 0)
1160	{
1161	//@todo pfnUpdateDisplayRect must take the vram offset parameter for the framebuffer
1162	prgn->pPort->pfnUpdateDisplayRect (prgn->pPort, pFBInfo->dirtyRect.xLeft, pFBInfo->dirtyRect.yTop, w, h);
1163	prgn->pDisplay->handleDisplayUpdate (pFBInfo->dirtyRect.xLeft + pFBInfo->xOrigin,
1164	pFBInfo->dirtyRect.yTop + pFBInfo->yOrigin, w, h);
1165	}
1166	}
1167
1168	static void vbvaSetMemoryFlags (VBVAMEMORY *pVbvaMemory,
1169	bool fVideoAccelEnabled,
1170	bool fVideoAccelVRDP,
1171	uint32_t fu32SupportedOrders,
1172	DISPLAYFBINFO *paFBInfos,
1173	unsigned cFBInfos)
1174	{
1175	if (pVbvaMemory)
1176	{
1177	/* This called only on changes in mode. So reset VRDP always. */
1178	uint32_t fu32Flags = VBVA_F_MODE_VRDP_RESET;
1179
1180	if (fVideoAccelEnabled)
1181	{
1182	fu32Flags \|= VBVA_F_MODE_ENABLED;
1183
1184	if (fVideoAccelVRDP)
1185	{
1186	fu32Flags \|= VBVA_F_MODE_VRDP \| VBVA_F_MODE_VRDP_ORDER_MASK;
1187
1188	pVbvaMemory->fu32SupportedOrders = fu32SupportedOrders;
1189	}
1190	}
1191
1192	pVbvaMemory->fu32ModeFlags = fu32Flags;
1193	}
1194
1195	unsigned uScreenId;
1196	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1197	{
1198	if (paFBInfos[uScreenId].pHostEvents)
1199	{
1200	paFBInfos[uScreenId].pHostEvents->fu32Events \|= VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1201	}
1202	}
1203	}
1204
1205	#ifdef VBOX_WITH_HGSMI
1206	static void vbvaSetMemoryFlagsHGSMI (unsigned uScreenId,
1207	uint32_t fu32SupportedOrders,
1208	bool fVideoAccelVRDP,
1209	DISPLAYFBINFO *pFBInfo)
1210	{
1211	LogFlowFunc(("HGSMI[%d]: %p\n", uScreenId, pFBInfo->pVBVAHostFlags));
1212
1213	if (pFBInfo->pVBVAHostFlags)
1214	{
1215	uint32_t fu32HostEvents = VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1216
1217	if (pFBInfo->fVBVAEnabled)
1218	{
1219	fu32HostEvents \|= VBVA_F_MODE_ENABLED;
1220
1221	if (fVideoAccelVRDP)
1222	{
1223	fu32HostEvents \|= VBVA_F_MODE_VRDP;
1224	}
1225	}
1226
1227	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32HostEvents, fu32HostEvents);
1228	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32SupportedOrders, fu32SupportedOrders);
1229
1230	LogFlowFunc((" fu32HostEvents = 0x%08X, fu32SupportedOrders = 0x%08X\n", fu32HostEvents, fu32SupportedOrders));
1231	}
1232	}
1233
1234	static void vbvaSetMemoryFlagsAllHGSMI (uint32_t fu32SupportedOrders,
1235	bool fVideoAccelVRDP,
1236	DISPLAYFBINFO *paFBInfos,
1237	unsigned cFBInfos)
1238	{
1239	unsigned uScreenId;
1240
1241	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1242	{
1243	vbvaSetMemoryFlagsHGSMI(uScreenId, fu32SupportedOrders, fVideoAccelVRDP, &paFBInfos[uScreenId]);
1244	}
1245	}
1246	#endif /* VBOX_WITH_HGSMI */
1247
1248	bool Display::VideoAccelAllowed (void)
1249	{
1250	return true;
1251	}
1252
1253	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1254	int Display::vbvaLock(void)
1255	{
1256	return RTCritSectEnter(&mVBVALock);
1257	}
1258
1259	void Display::vbvaUnlock(void)
1260	{
1261	RTCritSectLeave(&mVBVALock);
1262	}
1263	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1264
1265	/**
1266	* @thread EMT
1267	*/
1268	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1269	int Display::VideoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
1270	{
1271	int rc;
1272	vbvaLock();
1273	rc = videoAccelEnable (fEnable, pVbvaMemory);
1274	vbvaUnlock();
1275	return rc;
1276	}
1277	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1278
1279	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1280	int Display::videoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
1281	#else
1282	int Display::VideoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
1283	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
1284	{
1285	int rc = VINF_SUCCESS;
1286
1287	/* Called each time the guest wants to use acceleration,
1288	* or when the VGA device disables acceleration,
1289	* or when restoring the saved state with accel enabled.
1290	*
1291	* VGA device disables acceleration on each video mode change
1292	* and on reset.
1293	*
1294	* Guest enabled acceleration at will. And it has to enable
1295	* acceleration after a mode change.
1296	*/
1297	LogFlowFunc (("mfVideoAccelEnabled = %d, fEnable = %d, pVbvaMemory = %p\n",
1298	mfVideoAccelEnabled, fEnable, pVbvaMemory));
1299
1300	/* Strictly check parameters. Callers must not pass anything in the case. */
1301	Assert((fEnable && pVbvaMemory) \|\| (!fEnable && pVbvaMemory == NULL));
1302
1303	if (!VideoAccelAllowed ())
1304	return VERR_NOT_SUPPORTED;
1305
1306	/*
1307	* Verify that the VM is in running state. If it is not,
1308	* then this must be postponed until it goes to running.
1309	*/
1310	if (!mfMachineRunning)
1311	{
1312	Assert (!mfVideoAccelEnabled);
1313
1314	LogFlowFunc (("Machine is not yet running.\n"));
1315
1316	if (fEnable)
1317	{
1318	mfPendingVideoAccelEnable = fEnable;
1319	mpPendingVbvaMemory = pVbvaMemory;
1320	}
1321
1322	return rc;
1323	}
1324
1325	/* Check that current status is not being changed */
1326	if (mfVideoAccelEnabled == fEnable)
1327	return rc;
1328
1329	if (mfVideoAccelEnabled)
1330	{
1331	/* Process any pending orders and empty the VBVA ring buffer. */
1332	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1333	videoAccelFlush ();
1334	#else
1335	VideoAccelFlush ();
1336	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
1337	}
1338
1339	if (!fEnable && mpVbvaMemory)
1340	mpVbvaMemory->fu32ModeFlags &= ~VBVA_F_MODE_ENABLED;
1341
1342	/* Safety precaution. There is no more VBVA until everything is setup! */
1343	mpVbvaMemory = NULL;
1344	mfVideoAccelEnabled = false;
1345
1346	/* Update entire display. */
1347	if (maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].u32ResizeStatus == ResizeStatus_Void)
1348	mpDrv->pUpPort->pfnUpdateDisplayAll(mpDrv->pUpPort);
1349
1350	/* Everything OK. VBVA status can be changed. */
1351
1352	/* Notify the VMMDev, which saves VBVA status in the saved state,
1353	* and needs to know current status.
1354	*/
1355	VMMDev *pVMMDev = mParent->getVMMDev();
1356	if (pVMMDev)
1357	{
1358	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1359	if (pVMMDevPort)
1360	pVMMDevPort->pfnVBVAChange(pVMMDevPort, fEnable);
1361	}
1362
1363	if (fEnable)
1364	{
1365	mpVbvaMemory = pVbvaMemory;
1366	mfVideoAccelEnabled = true;
1367
1368	/* Initialize the hardware memory. */
1369	vbvaSetMemoryFlags(mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
1370	mpVbvaMemory->off32Data = 0;
1371	mpVbvaMemory->off32Free = 0;
1372
1373	memset(mpVbvaMemory->aRecords, 0, sizeof (mpVbvaMemory->aRecords));
1374	mpVbvaMemory->indexRecordFirst = 0;
1375	mpVbvaMemory->indexRecordFree = 0;
1376
1377	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1378	mfu32PendingVideoAccelDisable = false;
1379	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1380
1381	LogRel(("VBVA: Enabled.\n"));
1382	}
1383	else
1384	{
1385	LogRel(("VBVA: Disabled.\n"));
1386	}
1387
1388	LogFlowFunc (("VideoAccelEnable: rc = %Rrc.\n", rc));
1389
1390	return rc;
1391	}
1392
1393	/* Called always by one VRDP server thread. Can be thread-unsafe.
1394	*/
1395	void Display::VideoAccelVRDP (bool fEnable)
1396	{
1397	LogFlowFunc(("fEnable = %d\n", fEnable));
1398
1399	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1400	vbvaLock();
1401	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1402
1403	int c = fEnable?
1404	ASMAtomicIncS32 (&mcVideoAccelVRDPRefs):
1405	ASMAtomicDecS32 (&mcVideoAccelVRDPRefs);
1406
1407	Assert (c >= 0);
1408
1409	if (c == 0)
1410	{
1411	/* The last client has disconnected, and the accel can be
1412	* disabled.
1413	*/
1414	Assert (fEnable == false);
1415
1416	mfVideoAccelVRDP = false;
1417	mfu32SupportedOrders = 0;
1418
1419	vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
1420	#ifdef VBOX_WITH_HGSMI
1421	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1422	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1423	#endif /* VBOX_WITH_HGSMI */
1424
1425	LogRel(("VBVA: VRDP acceleration has been disabled.\n"));
1426	}
1427	else if ( c == 1
1428	&& !mfVideoAccelVRDP)
1429	{
1430	/* The first client has connected. Enable the accel.
1431	*/
1432	Assert (fEnable == true);
1433
1434	mfVideoAccelVRDP = true;
1435	/* Supporting all orders. */
1436	mfu32SupportedOrders = ~0;
1437
1438	vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
1439	#ifdef VBOX_WITH_HGSMI
1440	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1441	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1442	#endif /* VBOX_WITH_HGSMI */
1443
1444	LogRel(("VBVA: VRDP acceleration has been requested.\n"));
1445	}
1446	else
1447	{
1448	/* A client is connected or disconnected but there is no change in the
1449	* accel state. It remains enabled.
1450	*/
1451	Assert (mfVideoAccelVRDP == true);
1452	}
1453	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1454	vbvaUnlock();
1455	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1456	}
1457
1458	static bool vbvaVerifyRingBuffer (VBVAMEMORY *pVbvaMemory)
1459	{
1460	return true;
1461	}
1462
1463	static void vbvaFetchBytes (VBVAMEMORY pVbvaMemory, uint8_t pu8Dst, uint32_t cbDst)
1464	{
1465	if (cbDst >= VBVA_RING_BUFFER_SIZE)
1466	{
1467	AssertMsgFailed (("cbDst = 0x%08X, ring buffer size 0x%08X", cbDst, VBVA_RING_BUFFER_SIZE));
1468	return;
1469	}
1470
1471	uint32_t u32BytesTillBoundary = VBVA_RING_BUFFER_SIZE - pVbvaMemory->off32Data;
1472	uint8_t *src = &pVbvaMemory->au8RingBuffer[pVbvaMemory->off32Data];
1473	int32_t i32Diff = cbDst - u32BytesTillBoundary;
1474
1475	if (i32Diff <= 0)
1476	{
1477	/* Chunk will not cross buffer boundary. */
1478	memcpy (pu8Dst, src, cbDst);
1479	}
1480	else
1481	{
1482	/* Chunk crosses buffer boundary. */
1483	memcpy (pu8Dst, src, u32BytesTillBoundary);
1484	memcpy (pu8Dst + u32BytesTillBoundary, &pVbvaMemory->au8RingBuffer[0], i32Diff);
1485	}
1486
1487	/* Advance data offset. */
1488	pVbvaMemory->off32Data = (pVbvaMemory->off32Data + cbDst) % VBVA_RING_BUFFER_SIZE;
1489
1490	return;
1491	}
1492
1493
1494	static bool vbvaPartialRead (uint8_t *ppu8, uint32_t pcb, uint32_t cbRecord, VBVAMEMORY *pVbvaMemory)
1495	{
1496	uint8_t *pu8New;
1497
1498	LogFlow(("MAIN::DisplayImpl::vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n",
1499	ppu8, pcb, cbRecord));
1500
1501	if (*ppu8)
1502	{
1503	Assert (*pcb);
1504	pu8New = (uint8_t )RTMemRealloc (ppu8, cbRecord);
1505	}
1506	else
1507	{
1508	Assert (!*pcb);
1509	pu8New = (uint8_t *)RTMemAlloc (cbRecord);
1510	}
1511
1512	if (!pu8New)
1513	{
1514	/* Memory allocation failed, fail the function. */
1515	Log(("MAIN::vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n",
1516	cbRecord));
1517
1518	if (*ppu8)
1519	{
1520	RTMemFree (*ppu8);
1521	}
1522
1523	*ppu8 = NULL;
1524	*pcb = 0;
1525
1526	return false;
1527	}
1528
1529	/* Fetch data from the ring buffer. */
1530	vbvaFetchBytes (pVbvaMemory, pu8New + pcb, cbRecord - pcb);
1531
1532	*ppu8 = pu8New;
1533	*pcb = cbRecord;
1534
1535	return true;
1536	}
1537
1538	/* For contiguous chunks just return the address in the buffer.
1539	* For crossing boundary - allocate a buffer from heap.
1540	*/
1541	bool Display::vbvaFetchCmd (VBVACMDHDR *ppHdr, uint32_t pcbCmd)
1542	{
1543	uint32_t indexRecordFirst = mpVbvaMemory->indexRecordFirst;
1544	uint32_t indexRecordFree = mpVbvaMemory->indexRecordFree;
1545
1546	#ifdef DEBUG_sunlover
1547	LogFlowFunc (("first = %d, free = %d\n",
1548	indexRecordFirst, indexRecordFree));
1549	#endif /* DEBUG_sunlover */
1550
1551	if (!vbvaVerifyRingBuffer (mpVbvaMemory))
1552	{
1553	return false;
1554	}
1555
1556	if (indexRecordFirst == indexRecordFree)
1557	{
1558	/* No records to process. Return without assigning output variables. */
1559	return true;
1560	}
1561
1562	VBVARECORD *pRecord = &mpVbvaMemory->aRecords[indexRecordFirst];
1563
1564	#ifdef DEBUG_sunlover
1565	LogFlowFunc (("cbRecord = 0x%08X\n", pRecord->cbRecord));
1566	#endif /* DEBUG_sunlover */
1567
1568	uint32_t cbRecord = pRecord->cbRecord & ~VBVA_F_RECORD_PARTIAL;
1569
1570	if (mcbVbvaPartial)
1571	{
1572	/* There is a partial read in process. Continue with it. */
1573
1574	Assert (mpu8VbvaPartial);
1575
1576	LogFlowFunc (("continue partial record mcbVbvaPartial = %d cbRecord 0x%08X, first = %d, free = %d\n",
1577	mcbVbvaPartial, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
1578
1579	if (cbRecord > mcbVbvaPartial)
1580	{
1581	/* New data has been added to the record. */
1582	if (!vbvaPartialRead (&mpu8VbvaPartial, &mcbVbvaPartial, cbRecord, mpVbvaMemory))
1583	{
1584	return false;
1585	}
1586	}
1587
1588	if (!(pRecord->cbRecord & VBVA_F_RECORD_PARTIAL))
1589	{
1590	/* The record is completed by guest. Return it to the caller. */
1591	ppHdr = (VBVACMDHDR )mpu8VbvaPartial;
1592	*pcbCmd = mcbVbvaPartial;
1593
1594	mpu8VbvaPartial = NULL;
1595	mcbVbvaPartial = 0;
1596
1597	/* Advance the record index. */
1598	mpVbvaMemory->indexRecordFirst = (indexRecordFirst + 1) % VBVA_MAX_RECORDS;
1599
1600	#ifdef DEBUG_sunlover
1601	LogFlowFunc (("partial done ok, data = %d, free = %d\n",
1602	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
1603	#endif /* DEBUG_sunlover */
1604	}
1605
1606	return true;
1607	}
1608
1609	/* A new record need to be processed. */
1610	if (pRecord->cbRecord & VBVA_F_RECORD_PARTIAL)
1611	{
1612	/* Current record is being written by guest. '=' is important here. */
1613	if (cbRecord >= VBVA_RING_BUFFER_SIZE - VBVA_RING_BUFFER_THRESHOLD)
1614	{
1615	/* Partial read must be started. */
1616	if (!vbvaPartialRead (&mpu8VbvaPartial, &mcbVbvaPartial, cbRecord, mpVbvaMemory))
1617	{
1618	return false;
1619	}
1620
1621	LogFlowFunc (("started partial record mcbVbvaPartial = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n",
1622	mcbVbvaPartial, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
1623	}
1624
1625	return true;
1626	}
1627
1628	/* Current record is complete. If it is not empty, process it. */
1629	if (cbRecord)
1630	{
1631	/* The size of largest contiguous chunk in the ring biffer. */
1632	uint32_t u32BytesTillBoundary = VBVA_RING_BUFFER_SIZE - mpVbvaMemory->off32Data;
1633
1634	/* The ring buffer pointer. */
1635	uint8_t *au8RingBuffer = &mpVbvaMemory->au8RingBuffer[0];
1636
1637	/* The pointer to data in the ring buffer. */
1638	uint8_t *src = &au8RingBuffer[mpVbvaMemory->off32Data];
1639
1640	/* Fetch or point the data. */
1641	if (u32BytesTillBoundary >= cbRecord)
1642	{
1643	/* The command does not cross buffer boundary. Return address in the buffer. */
1644	ppHdr = (VBVACMDHDR )src;
1645
1646	/* Advance data offset. */
1647	mpVbvaMemory->off32Data = (mpVbvaMemory->off32Data + cbRecord) % VBVA_RING_BUFFER_SIZE;
1648	}
1649	else
1650	{
1651	/* The command crosses buffer boundary. Rare case, so not optimized. */
1652	uint8_t dst = (uint8_t )RTMemAlloc (cbRecord);
1653
1654	if (!dst)
1655	{
1656	LogFlowFunc (("could not allocate %d bytes from heap!!!\n", cbRecord));
1657	mpVbvaMemory->off32Data = (mpVbvaMemory->off32Data + cbRecord) % VBVA_RING_BUFFER_SIZE;
1658	return false;
1659	}
1660
1661	vbvaFetchBytes (mpVbvaMemory, dst, cbRecord);
1662
1663	ppHdr = (VBVACMDHDR )dst;
1664
1665	#ifdef DEBUG_sunlover
1666	LogFlowFunc (("Allocated from heap %p\n", dst));
1667	#endif /* DEBUG_sunlover */
1668	}
1669	}
1670
1671	*pcbCmd = cbRecord;
1672
1673	/* Advance the record index. */
1674	mpVbvaMemory->indexRecordFirst = (indexRecordFirst + 1) % VBVA_MAX_RECORDS;
1675
1676	#ifdef DEBUG_sunlover
1677	LogFlowFunc (("done ok, data = %d, free = %d\n",
1678	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
1679	#endif /* DEBUG_sunlover */
1680
1681	return true;
1682	}
1683
1684	void Display::vbvaReleaseCmd (VBVACMDHDR *pHdr, int32_t cbCmd)
1685	{
1686	uint8_t *au8RingBuffer = mpVbvaMemory->au8RingBuffer;
1687
1688	if ( (uint8_t *)pHdr >= au8RingBuffer
1689	&& (uint8_t *)pHdr < &au8RingBuffer[VBVA_RING_BUFFER_SIZE])
1690	{
1691	/* The pointer is inside ring buffer. Must be continuous chunk. */
1692	Assert (VBVA_RING_BUFFER_SIZE - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);
1693
1694	/* Do nothing. */
1695
1696	Assert (!mpu8VbvaPartial && mcbVbvaPartial == 0);
1697	}
1698	else
1699	{
1700	/* The pointer is outside. It is then an allocated copy. */
1701
1702	#ifdef DEBUG_sunlover
1703	LogFlowFunc (("Free heap %p\n", pHdr));
1704	#endif /* DEBUG_sunlover */
1705
1706	if ((uint8_t *)pHdr == mpu8VbvaPartial)
1707	{
1708	mpu8VbvaPartial = NULL;
1709	mcbVbvaPartial = 0;
1710	}
1711	else
1712	{
1713	Assert (!mpu8VbvaPartial && mcbVbvaPartial == 0);
1714	}
1715
1716	RTMemFree (pHdr);
1717	}
1718
1719	return;
1720	}
1721
1722
1723	/**
1724	* Called regularly on the DisplayRefresh timer.
1725	* Also on behalf of guest, when the ring buffer is full.
1726	*
1727	* @thread EMT
1728	*/
1729	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1730	void Display::VideoAccelFlush (void)
1731	{
1732	vbvaLock();
1733	videoAccelFlush();
1734	vbvaUnlock();
1735	}
1736	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1737
1738	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1739	/* Under VBVA lock. DevVGA is not taken. */
1740	void Display::videoAccelFlush (void)
1741	#else
1742	void Display::VideoAccelFlush (void)
1743	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
1744	{
1745	#ifdef DEBUG_sunlover_2
1746	LogFlowFunc (("mfVideoAccelEnabled = %d\n", mfVideoAccelEnabled));
1747	#endif /* DEBUG_sunlover_2 */
1748
1749	if (!mfVideoAccelEnabled)
1750	{
1751	Log(("Display::VideoAccelFlush: called with disabled VBVA!!! Ignoring.\n"));
1752	return;
1753	}
1754
1755	/* Here VBVA is enabled and we have the accelerator memory pointer. */
1756	Assert(mpVbvaMemory);
1757
1758	#ifdef DEBUG_sunlover_2
1759	LogFlowFunc (("indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
1760	mpVbvaMemory->indexRecordFirst, mpVbvaMemory->indexRecordFree, mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
1761	#endif /* DEBUG_sunlover_2 */
1762
1763	/* Quick check for "nothing to update" case. */
1764	if (mpVbvaMemory->indexRecordFirst == mpVbvaMemory->indexRecordFree)
1765	{
1766	return;
1767	}
1768
1769	/* Process the ring buffer */
1770	unsigned uScreenId;
1771	#ifndef VBOX_WITH_OLD_VBVA_LOCK
1772	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1773	{
1774	if (!maFramebuffers[uScreenId].pFramebuffer.isNull())
1775	{
1776	maFramebuffers[uScreenId].pFramebuffer->Lock ();
1777	}
1778	}
1779	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
1780
1781	/* Initialize dirty rectangles accumulator. */
1782	VBVADIRTYREGION rgn;
1783	vbvaRgnInit (&rgn, maFramebuffers, mcMonitors, this, mpDrv->pUpPort);
1784
1785	for (;;)
1786	{
1787	VBVACMDHDR *phdr = NULL;
1788	uint32_t cbCmd = ~0;
1789
1790	/* Fetch the command data. */
1791	if (!vbvaFetchCmd (&phdr, &cbCmd))
1792	{
1793	Log(("Display::VideoAccelFlush: unable to fetch command. off32Data = %d, off32Free = %d. Disabling VBVA!!!\n",
1794	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
1795
1796	/* Disable VBVA on those processing errors. */
1797	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1798	videoAccelEnable (false, NULL);
1799	#else
1800	VideoAccelEnable (false, NULL);
1801	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
1802
1803	break;
1804	}
1805
1806	if (cbCmd == uint32_t(~0))
1807	{
1808	/* No more commands yet in the queue. */
1809	break;
1810	}
1811
1812	if (cbCmd != 0)
1813	{
1814	#ifdef DEBUG_sunlover
1815	LogFlowFunc (("hdr: cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
1816	cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
1817	#endif /* DEBUG_sunlover */
1818
1819	VBVACMDHDR hdrSaved = *phdr;
1820
1821	int x = phdr->x;
1822	int y = phdr->y;
1823	int w = phdr->w;
1824	int h = phdr->h;
1825
1826	uScreenId = mapCoordsToScreen(maFramebuffers, mcMonitors, &x, &y, &w, &h);
1827
1828	phdr->x = (int16_t)x;
1829	phdr->y = (int16_t)y;
1830	phdr->w = (uint16_t)w;
1831	phdr->h = (uint16_t)h;
1832
1833	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1834
1835	if (pFBInfo->u32ResizeStatus == ResizeStatus_Void)
1836	{
1837	/* Handle the command.
1838	*
1839	* Guest is responsible for updating the guest video memory.
1840	* The Windows guest does all drawing using Eng*.
1841	*
1842	* For local output, only dirty rectangle information is used
1843	* to update changed areas.
1844	*
1845	* Dirty rectangles are accumulated to exclude overlapping updates and
1846	* group small updates to a larger one.
1847	*/
1848
1849	/* Accumulate the update. */
1850	vbvaRgnDirtyRect (&rgn, uScreenId, phdr);
1851
1852	/* Forward the command to VRDP server. */
1853	mParent->consoleVRDPServer()->SendUpdate (uScreenId, phdr, cbCmd);
1854
1855	*phdr = hdrSaved;
1856	}
1857	}
1858
1859	vbvaReleaseCmd (phdr, cbCmd);
1860	}
1861
1862	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1863	{
1864	#ifndef VBOX_WITH_OLD_VBVA_LOCK
1865	if (!maFramebuffers[uScreenId].pFramebuffer.isNull())
1866	{
1867	maFramebuffers[uScreenId].pFramebuffer->Unlock ();
1868	}
1869	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
1870
1871	if (maFramebuffers[uScreenId].u32ResizeStatus == ResizeStatus_Void)
1872	{
1873	/* Draw the framebuffer. */
1874	vbvaRgnUpdateFramebuffer (&rgn, uScreenId);
1875	}
1876	}
1877	}
1878
1879	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1880	int Display::videoAccelRefreshProcess(void)
1881	{
1882	int rc = VWRN_INVALID_STATE; /* Default is to do a display update in VGA device. */
1883
1884	vbvaLock();
1885
1886	if (ASMAtomicCmpXchgU32(&mfu32PendingVideoAccelDisable, false, true))
1887	{
1888	videoAccelEnable (false, NULL);
1889	}
1890	else if (mfPendingVideoAccelEnable)
1891	{
1892	/* Acceleration was enabled while machine was not yet running
1893	* due to restoring from saved state. Update entire display and
1894	* actually enable acceleration.
1895	*/
1896	Assert(mpPendingVbvaMemory);
1897
1898	/* Acceleration can not be yet enabled.*/
1899	Assert(mpVbvaMemory == NULL);
1900	Assert(!mfVideoAccelEnabled);
1901
1902	if (mfMachineRunning)
1903	{
1904	videoAccelEnable (mfPendingVideoAccelEnable,
1905	mpPendingVbvaMemory);
1906
1907	/* Reset the pending state. */
1908	mfPendingVideoAccelEnable = false;
1909	mpPendingVbvaMemory = NULL;
1910	}
1911
1912	rc = VINF_TRY_AGAIN;
1913	}
1914	else
1915	{
1916	Assert(mpPendingVbvaMemory == NULL);
1917
1918	if (mfVideoAccelEnabled)
1919	{
1920	Assert(mpVbvaMemory);
1921	videoAccelFlush ();
1922
1923	rc = VINF_SUCCESS; /* VBVA processed, no need to a display update. */
1924	}
1925	}
1926
1927	vbvaUnlock();
1928
1929	return rc;
1930	}
1931	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1932
1933
1934	// IDisplay methods
1935	/////////////////////////////////////////////////////////////////////////////
1936	STDMETHODIMP Display::GetScreenResolution (ULONG aScreenId,
1937	ULONG aWidth, ULONG aHeight, ULONG *aBitsPerPixel)
1938	{
1939	LogFlowFunc (("aScreenId = %d\n", aScreenId));
1940
1941	AutoCaller autoCaller(this);
1942	if (FAILED(autoCaller.rc())) return autoCaller.rc();
1943
1944	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1945
1946	uint32_t u32Width = 0;
1947	uint32_t u32Height = 0;
1948	uint32_t u32BitsPerPixel = 0;
1949
1950	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1951	{
1952	CHECK_CONSOLE_DRV (mpDrv);
1953
1954	u32Width = mpDrv->IConnector.cx;
1955	u32Height = mpDrv->IConnector.cy;
1956	int rc = mpDrv->pUpPort->pfnQueryColorDepth(mpDrv->pUpPort, &u32BitsPerPixel);
1957	AssertRC(rc);
1958	}
1959	else if (aScreenId < mcMonitors)
1960	{
1961	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1962	u32Width = pFBInfo->w;
1963	u32Height = pFBInfo->h;
1964	u32BitsPerPixel = pFBInfo->u16BitsPerPixel;
1965	}
1966	else
1967	{
1968	return E_INVALIDARG;
1969	}
1970
1971	if (aWidth)
1972	*aWidth = u32Width;
1973	if (aHeight)
1974	*aHeight = u32Height;
1975	if (aBitsPerPixel)
1976	*aBitsPerPixel = u32BitsPerPixel;
1977
1978	return S_OK;
1979	}
1980
1981	STDMETHODIMP Display::SetFramebuffer (ULONG aScreenId,
1982	IFramebuffer *aFramebuffer)
1983	{
1984	LogFlowFunc (("\n"));
1985
1986	if (aFramebuffer != NULL)
1987	CheckComArgOutPointerValid(aFramebuffer);
1988
1989	AutoCaller autoCaller(this);
1990	if (FAILED(autoCaller.rc())) return autoCaller.rc();
1991
1992	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1993
1994	Console::SafeVMPtrQuiet pVM (mParent);
1995	if (pVM.isOk())
1996	{
1997	/* Must leave the lock here because the changeFramebuffer will
1998	* also obtain it. */
1999	alock.leave ();
2000
2001	/* send request to the EMT thread */
2002	int vrc = VMR3ReqCallWait (pVM, VMCPUID_ANY,
2003	(PFNRT) changeFramebuffer, 3, this, aFramebuffer, aScreenId);
2004
2005	alock.enter ();
2006
2007	ComAssertRCRet (vrc, E_FAIL);
2008
2009	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
2010	{
2011	BOOL is3denabled;
2012	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
2013
2014	if (is3denabled)
2015	{
2016	VBOXHGCMSVCPARM parm;
2017
2018	parm.type = VBOX_HGCM_SVC_PARM_32BIT;
2019	parm.u.uint32 = aScreenId;
2020
2021	VMMDev *pVMMDev = mParent->getVMMDev();
2022
2023	alock.leave ();
2024
2025	if (pVMMDev)
2026	vrc = pVMMDev->hgcmHostCall("VBoxSharedCrOpenGL", SHCRGL_HOST_FN_SCREEN_CHANGED, SHCRGL_CPARMS_SCREEN_CHANGED, &parm);
2027	/ComAssertRCRet (vrc, E_FAIL);/
2028
2029	alock.enter ();
2030	}
2031	}
2032	#endif /* VBOX_WITH_CROGL */
2033	}
2034	else
2035	{
2036	/* No VM is created (VM is powered off), do a direct call */
2037	int vrc = changeFramebuffer (this, aFramebuffer, aScreenId);
2038	ComAssertRCRet (vrc, E_FAIL);
2039	}
2040
2041	return S_OK;
2042	}
2043
2044	STDMETHODIMP Display::GetFramebuffer (ULONG aScreenId,
2045	IFramebuffer *aFramebuffer, LONG aXOrigin, LONG *aYOrigin)
2046	{
2047	LogFlowFunc (("aScreenId = %d\n", aScreenId));
2048
2049	CheckComArgOutPointerValid(aFramebuffer);
2050
2051	AutoCaller autoCaller(this);
2052	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2053
2054	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2055
2056	if (aScreenId != 0 && aScreenId >= mcMonitors)
2057	return E_INVALIDARG;
2058
2059	/* @todo this should be actually done on EMT. */
2060	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2061
2062	*aFramebuffer = pFBInfo->pFramebuffer;
2063	if (*aFramebuffer)
2064	(*aFramebuffer)->AddRef ();
2065	if (aXOrigin)
2066	*aXOrigin = pFBInfo->xOrigin;
2067	if (aYOrigin)
2068	*aYOrigin = pFBInfo->yOrigin;
2069
2070	return S_OK;
2071	}
2072
2073	STDMETHODIMP Display::SetVideoModeHint(ULONG aWidth, ULONG aHeight,
2074	ULONG aBitsPerPixel, ULONG aDisplay)
2075	{
2076	AutoCaller autoCaller(this);
2077	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2078
2079	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2080
2081	CHECK_CONSOLE_DRV (mpDrv);
2082
2083	/*
2084	* Do some rough checks for valid input
2085	*/
2086	ULONG width = aWidth;
2087	if (!width)
2088	width = mpDrv->IConnector.cx;
2089	ULONG height = aHeight;
2090	if (!height)
2091	height = mpDrv->IConnector.cy;
2092	ULONG bpp = aBitsPerPixel;
2093	if (!bpp)
2094	{
2095	uint32_t cBits = 0;
2096	int rc = mpDrv->pUpPort->pfnQueryColorDepth(mpDrv->pUpPort, &cBits);
2097	AssertRC(rc);
2098	bpp = cBits;
2099	}
2100	ULONG cMonitors;
2101	mParent->machine()->COMGETTER(MonitorCount)(&cMonitors);
2102	if (cMonitors == 0 && aDisplay > 0)
2103	return E_INVALIDARG;
2104	if (aDisplay >= cMonitors)
2105	return E_INVALIDARG;
2106
2107	// sunlover 20070614: It is up to the guest to decide whether the hint is valid.
2108	// ULONG vramSize;
2109	// mParent->machine()->COMGETTER(VRAMSize)(&vramSize);
2110	// /* enough VRAM? */
2111	// if ((width * height * (bpp / 8)) > (vramSize * 1024 * 1024))
2112	// return setError(E_FAIL, tr("Not enough VRAM for the selected video mode"));
2113
2114	/* Have to leave the lock because the pfnRequestDisplayChange
2115	* will call EMT. */
2116	alock.leave ();
2117
2118	VMMDev *pVMMDev = mParent->getVMMDev();
2119	if (pVMMDev)
2120	{
2121	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
2122	if (pVMMDevPort)
2123	pVMMDevPort->pfnRequestDisplayChange(pVMMDevPort, aWidth, aHeight, aBitsPerPixel, aDisplay);
2124	}
2125	return S_OK;
2126	}
2127
2128	STDMETHODIMP Display::SetSeamlessMode (BOOL enabled)
2129	{
2130	AutoCaller autoCaller(this);
2131	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2132
2133	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2134
2135	/* Have to leave the lock because the pfnRequestSeamlessChange will call EMT. */
2136	alock.leave ();
2137
2138	VMMDev *pVMMDev = mParent->getVMMDev();
2139	if (pVMMDev)
2140	{
2141	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
2142	if (pVMMDevPort)
2143	pVMMDevPort->pfnRequestSeamlessChange(pVMMDevPort, !!enabled);
2144	}
2145	return S_OK;
2146	}
2147
2148	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2149	int Display::displayTakeScreenshotEMT(Display pDisplay, ULONG aScreenId, uint8_t ppu8Data, size_t pcbData, uint32_t pu32Width, uint32_t pu32Height)
2150	{
2151	int rc;
2152	pDisplay->vbvaLock();
2153	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2154	{
2155	rc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppu8Data, pcbData, pu32Width, pu32Height);
2156	}
2157	else if (aScreenId < pDisplay->mcMonitors)
2158	{
2159	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
2160
2161	uint32_t width = pFBInfo->w;
2162	uint32_t height = pFBInfo->h;
2163
2164	/* Allocate 32 bit per pixel bitmap. */
2165	size_t cbRequired = width * 4 * height;
2166
2167	if (cbRequired)
2168	{
2169	uint8_t pu8Data = (uint8_t )RTMemAlloc(cbRequired);
2170
2171	if (pu8Data == NULL)
2172	{
2173	rc = VERR_NO_MEMORY;
2174	}
2175	else
2176	{
2177	/* Copy guest VRAM to the allocated 32bpp buffer. */
2178	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
2179	int32_t xSrc = 0;
2180	int32_t ySrc = 0;
2181	uint32_t u32SrcWidth = width;
2182	uint32_t u32SrcHeight = height;
2183	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
2184	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2185
2186	uint8_t *pu8Dst = pu8Data;
2187	int32_t xDst = 0;
2188	int32_t yDst = 0;
2189	uint32_t u32DstWidth = u32SrcWidth;
2190	uint32_t u32DstHeight = u32SrcHeight;
2191	uint32_t u32DstLineSize = u32DstWidth * 4;
2192	uint32_t u32DstBitsPerPixel = 32;
2193
2194	rc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2195	width, height,
2196	pu8Src,
2197	xSrc, ySrc,
2198	u32SrcWidth, u32SrcHeight,
2199	u32SrcLineSize, u32SrcBitsPerPixel,
2200	pu8Dst,
2201	xDst, yDst,
2202	u32DstWidth, u32DstHeight,
2203	u32DstLineSize, u32DstBitsPerPixel);
2204	if (RT_SUCCESS(rc))
2205	{
2206	*ppu8Data = pu8Data;
2207	*pcbData = cbRequired;
2208	*pu32Width = width;
2209	*pu32Height = height;
2210	}
2211	}
2212	}
2213	else
2214	{
2215	/* No image. */
2216	*ppu8Data = NULL;
2217	*pcbData = 0;
2218	*pu32Width = 0;
2219	*pu32Height = 0;
2220	rc = VINF_SUCCESS;
2221	}
2222	}
2223	else
2224	{
2225	rc = VERR_INVALID_PARAMETER;
2226	}
2227	pDisplay->vbvaUnlock();
2228	return rc;
2229	}
2230	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
2231
2232	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2233	static int displayTakeScreenshot(PVM pVM, Display pDisplay, struct DRVMAINDISPLAY pDrv, ULONG aScreenId, BYTE *address, ULONG width, ULONG height)
2234	#else
2235	static int displayTakeScreenshot(PVM pVM, struct DRVMAINDISPLAY pDrv, BYTE address, ULONG width, ULONG height)
2236	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2237	{
2238	uint8_t *pu8Data = NULL;
2239	size_t cbData = 0;
2240	uint32_t cx = 0;
2241	uint32_t cy = 0;
2242	int vrc = VINF_SUCCESS;
2243
2244	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2245	int cRetries = 5;
2246
2247	while (cRetries-- > 0)
2248	{
2249	vrc = VMR3ReqCallWait(pVM, VMCPUID_ANY, (PFNRT)Display::displayTakeScreenshotEMT, 6,
2250	pDisplay, aScreenId, &pu8Data, &cbData, &cx, &cy);
2251	if (vrc != VERR_TRY_AGAIN)
2252	{
2253	break;
2254	}
2255
2256	RTThreadSleep(10);
2257	}
2258	#else
2259	/* @todo pfnTakeScreenshot is probably callable from any thread, because it uses the VGA device lock. */
2260	vrc = VMR3ReqCallWait(pVM, VMCPUID_ANY, (PFNRT)pDrv->pUpPort->pfnTakeScreenshot, 5,
2261	pDrv->pUpPort, &pu8Data, &cbData, &cx, &cy);
2262	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2263
2264	if (RT_SUCCESS(vrc) && pu8Data)
2265	{
2266	if (cx == width && cy == height)
2267	{
2268	/* No scaling required. */
2269	memcpy(address, pu8Data, cbData);
2270	}
2271	else
2272	{
2273	/* Scale. */
2274	LogFlowFunc(("SCALE: %dx%d -> %dx%d\n", cx, cy, width, height));
2275
2276	uint8_t *dst = address;
2277	uint8_t *src = pu8Data;
2278	int dstW = width;
2279	int dstH = height;
2280	int srcW = cx;
2281	int srcH = cy;
2282	int iDeltaLine = cx * 4;
2283
2284	BitmapScale32 (dst,
2285	dstW, dstH,
2286	src,
2287	iDeltaLine,
2288	srcW, srcH);
2289	}
2290
2291	/* This can be called from any thread. */
2292	pDrv->pUpPort->pfnFreeScreenshot (pDrv->pUpPort, pu8Data);
2293	}
2294
2295	return vrc;
2296	}
2297
2298	STDMETHODIMP Display::TakeScreenShot (ULONG aScreenId, BYTE *address, ULONG width, ULONG height)
2299	{
2300	/// @todo (r=dmik) this function may take too long to complete if the VM
2301	// is doing something like saving state right now. Which, in case if it
2302	// is called on the GUI thread, will make it unresponsive. We should
2303	// check the machine state here (by enclosing the check and VMRequCall
2304	// within the Console lock to make it atomic).
2305
2306	LogFlowFuncEnter();
2307	LogFlowFunc (("address=%p, width=%d, height=%d\n",
2308	address, width, height));
2309
2310	CheckComArgNotNull(address);
2311	CheckComArgExpr(width, width != 0);
2312	CheckComArgExpr(height, height != 0);
2313
2314	AutoCaller autoCaller(this);
2315	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2316
2317	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2318
2319	CHECK_CONSOLE_DRV (mpDrv);
2320
2321	Console::SafeVMPtr pVM(mParent);
2322	if (FAILED(pVM.rc())) return pVM.rc();
2323
2324	HRESULT rc = S_OK;
2325
2326	LogFlowFunc (("Sending SCREENSHOT request\n"));
2327
2328	/* Leave lock because other thread (EMT) is called and it may initiate a resize
2329	* which also needs lock.
2330	*
2331	* This method does not need the lock anymore.
2332	*/
2333	alock.leave();
2334
2335	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2336	int vrc = displayTakeScreenshot(pVM, this, mpDrv, aScreenId, address, width, height);
2337	#else
2338	int vrc = displayTakeScreenshot(pVM, mpDrv, address, width, height);
2339	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2340
2341	if (vrc == VERR_NOT_IMPLEMENTED)
2342	rc = setError(E_NOTIMPL,
2343	tr("This feature is not implemented"));
2344	else if (vrc == VERR_TRY_AGAIN)
2345	rc = setError(E_UNEXPECTED,
2346	tr("This feature is not available at this time"));
2347	else if (RT_FAILURE(vrc))
2348	rc = setError(VBOX_E_IPRT_ERROR,
2349	tr("Could not take a screenshot (%Rrc)"), vrc);
2350
2351	LogFlowFunc (("rc=%08X\n", rc));
2352	LogFlowFuncLeave();
2353	return rc;
2354	}
2355
2356	STDMETHODIMP Display::TakeScreenShotToArray (ULONG aScreenId, ULONG width, ULONG height,
2357	ComSafeArrayOut(BYTE, aScreenData))
2358	{
2359	LogFlowFuncEnter();
2360	LogFlowFunc (("width=%d, height=%d\n",
2361	width, height));
2362
2363	CheckComArgOutSafeArrayPointerValid(aScreenData);
2364	CheckComArgExpr(width, width != 0);
2365	CheckComArgExpr(height, height != 0);
2366
2367	AutoCaller autoCaller(this);
2368	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2369
2370	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2371
2372	CHECK_CONSOLE_DRV (mpDrv);
2373
2374	Console::SafeVMPtr pVM(mParent);
2375	if (FAILED(pVM.rc())) return pVM.rc();
2376
2377	HRESULT rc = S_OK;
2378
2379	LogFlowFunc (("Sending SCREENSHOT request\n"));
2380
2381	/* Leave lock because other thread (EMT) is called and it may initiate a resize
2382	* which also needs lock.
2383	*
2384	* This method does not need the lock anymore.
2385	*/
2386	alock.leave();
2387
2388	size_t cbData = width * 4 * height;
2389	uint8_t pu8Data = (uint8_t )RTMemAlloc(cbData);
2390
2391	if (!pu8Data)
2392	return E_OUTOFMEMORY;
2393
2394	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2395	int vrc = displayTakeScreenshot(pVM, this, mpDrv, aScreenId, pu8Data, width, height);
2396	#else
2397	int vrc = displayTakeScreenshot(pVM, mpDrv, pu8Data, width, height);
2398	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2399
2400	if (RT_SUCCESS(vrc))
2401	{
2402	/* Convert pixels to format expected by the API caller: [0] R, [1] G, [2] B, [3] A. */
2403	uint8_t *pu8 = pu8Data;
2404	unsigned cPixels = width * height;
2405	while (cPixels)
2406	{
2407	uint8_t u8 = pu8[0];
2408	pu8[0] = pu8[2];
2409	pu8[2] = u8;
2410	pu8[3] = 0xff;
2411	cPixels--;
2412	pu8 += 4;
2413	}
2414
2415	com::SafeArray<BYTE> screenData (cbData);
2416	screenData.initFrom(pu8Data, cbData);
2417	screenData.detachTo(ComSafeArrayOutArg(aScreenData));
2418	}
2419	else if (vrc == VERR_NOT_IMPLEMENTED)
2420	rc = setError(E_NOTIMPL,
2421	tr("This feature is not implemented"));
2422	else
2423	rc = setError(VBOX_E_IPRT_ERROR,
2424	tr("Could not take a screenshot (%Rrc)"), vrc);
2425
2426	RTMemFree(pu8Data);
2427
2428	LogFlowFunc (("rc=%08X\n", rc));
2429	LogFlowFuncLeave();
2430	return rc;
2431	}
2432
2433	STDMETHODIMP Display::TakeScreenShotPNGToArray (ULONG aScreenId, ULONG width, ULONG height,
2434	ComSafeArrayOut(BYTE, aScreenData))
2435	{
2436	LogFlowFuncEnter();
2437	LogFlowFunc (("width=%d, height=%d\n",
2438	width, height));
2439
2440	CheckComArgOutSafeArrayPointerValid(aScreenData);
2441	CheckComArgExpr(width, width != 0);
2442	CheckComArgExpr(height, height != 0);
2443
2444	AutoCaller autoCaller(this);
2445	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2446
2447	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2448
2449	CHECK_CONSOLE_DRV (mpDrv);
2450
2451	Console::SafeVMPtr pVM(mParent);
2452	if (FAILED(pVM.rc())) return pVM.rc();
2453
2454	HRESULT rc = S_OK;
2455
2456	LogFlowFunc (("Sending SCREENSHOT request\n"));
2457
2458	/* Leave lock because other thread (EMT) is called and it may initiate a resize
2459	* which also needs lock.
2460	*
2461	* This method does not need the lock anymore.
2462	*/
2463	alock.leave();
2464
2465	size_t cbData = width * 4 * height;
2466	uint8_t pu8Data = (uint8_t )RTMemAlloc(cbData);
2467
2468	if (!pu8Data)
2469	return E_OUTOFMEMORY;
2470
2471	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2472	int vrc = displayTakeScreenshot(pVM, this, mpDrv, aScreenId, pu8Data, width, height);
2473	#else
2474	int vrc = displayTakeScreenshot(pVM, mpDrv, pu8Data, width, height);
2475	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2476
2477	if (RT_SUCCESS(vrc))
2478	{
2479	uint8_t *pu8PNG = NULL;
2480	uint32_t cbPNG = 0;
2481	uint32_t cxPNG = 0;
2482	uint32_t cyPNG = 0;
2483
2484	DisplayMakePNG(pu8Data, width, height, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 0);
2485
2486	com::SafeArray<BYTE> screenData (cbPNG);
2487	screenData.initFrom(pu8PNG, cbPNG);
2488	RTMemFree(pu8PNG);
2489
2490	screenData.detachTo(ComSafeArrayOutArg(aScreenData));
2491	}
2492	else if (vrc == VERR_NOT_IMPLEMENTED)
2493	rc = setError(E_NOTIMPL,
2494	tr("This feature is not implemented"));
2495	else
2496	rc = setError(VBOX_E_IPRT_ERROR,
2497	tr("Could not take a screenshot (%Rrc)"), vrc);
2498
2499	RTMemFree(pu8Data);
2500
2501	LogFlowFunc (("rc=%08X\n", rc));
2502	LogFlowFuncLeave();
2503	return rc;
2504	}
2505
2506
2507	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2508	int Display::drawToScreenEMT(Display pDisplay, ULONG aScreenId, BYTE address, ULONG x, ULONG y, ULONG width, ULONG height)
2509	{
2510	int rc;
2511	pDisplay->vbvaLock();
2512	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2513	{
2514	rc = pDisplay->mpDrv->pUpPort->pfnDisplayBlt(pDisplay->mpDrv->pUpPort, address, x, y, width, height);
2515	}
2516	else if (aScreenId < pDisplay->mcMonitors)
2517	{
2518	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
2519
2520	/* Copy the bitmap to the guest VRAM. */
2521	const uint8_t *pu8Src = address;
2522	int32_t xSrc = 0;
2523	int32_t ySrc = 0;
2524	uint32_t u32SrcWidth = width;
2525	uint32_t u32SrcHeight = height;
2526	uint32_t u32SrcLineSize = width * 4;
2527	uint32_t u32SrcBitsPerPixel = 32;
2528
2529	uint8_t *pu8Dst = pFBInfo->pu8FramebufferVRAM;
2530	int32_t xDst = x;
2531	int32_t yDst = y;
2532	uint32_t u32DstWidth = pFBInfo->w;
2533	uint32_t u32DstHeight = pFBInfo->h;
2534	uint32_t u32DstLineSize = pFBInfo->u32LineSize;
2535	uint32_t u32DstBitsPerPixel = pFBInfo->u16BitsPerPixel;
2536
2537	rc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2538	width, height,
2539	pu8Src,
2540	xSrc, ySrc,
2541	u32SrcWidth, u32SrcHeight,
2542	u32SrcLineSize, u32SrcBitsPerPixel,
2543	pu8Dst,
2544	xDst, yDst,
2545	u32DstWidth, u32DstHeight,
2546	u32DstLineSize, u32DstBitsPerPixel);
2547	if (RT_SUCCESS(rc))
2548	{
2549	if (!pFBInfo->pFramebuffer.isNull())
2550	{
2551	/* Update the changed screen area. When framebuffer uses VRAM directly, just notify
2552	* it to update. And for default format, render the guest VRAM to framebuffer.
2553	*/
2554	if (pFBInfo->fDefaultFormat)
2555	{
2556	address = NULL;
2557	HRESULT hrc = pFBInfo->pFramebuffer->COMGETTER(Address) (&address);
2558	if (SUCCEEDED(hrc) && address != NULL)
2559	{
2560	pu8Src = pFBInfo->pu8FramebufferVRAM;
2561	xSrc = x;
2562	ySrc = y;
2563	u32SrcWidth = pFBInfo->w;
2564	u32SrcHeight = pFBInfo->h;
2565	u32SrcLineSize = pFBInfo->u32LineSize;
2566	u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2567
2568	/* Default format is 32 bpp. */
2569	pu8Dst = address;
2570	xDst = xSrc;
2571	yDst = ySrc;
2572	u32DstWidth = u32SrcWidth;
2573	u32DstHeight = u32SrcHeight;
2574	u32DstLineSize = u32DstWidth * 4;
2575	u32DstBitsPerPixel = 32;
2576
2577	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2578	width, height,
2579	pu8Src,
2580	xSrc, ySrc,
2581	u32SrcWidth, u32SrcHeight,
2582	u32SrcLineSize, u32SrcBitsPerPixel,
2583	pu8Dst,
2584	xDst, yDst,
2585	u32DstWidth, u32DstHeight,
2586	u32DstLineSize, u32DstBitsPerPixel);
2587	}
2588	}
2589
2590	pDisplay->handleDisplayUpdate(x + pFBInfo->xOrigin, y + pFBInfo->yOrigin, width, height);
2591	}
2592	}
2593	}
2594	else
2595	{
2596	rc = VERR_INVALID_PARAMETER;
2597	}
2598	pDisplay->vbvaUnlock();
2599	return rc;
2600	}
2601	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
2602
2603	STDMETHODIMP Display::DrawToScreen (ULONG aScreenId, BYTE *address, ULONG x, ULONG y,
2604	ULONG width, ULONG height)
2605	{
2606	/// @todo (r=dmik) this function may take too long to complete if the VM
2607	// is doing something like saving state right now. Which, in case if it
2608	// is called on the GUI thread, will make it unresponsive. We should
2609	// check the machine state here (by enclosing the check and VMRequCall
2610	// within the Console lock to make it atomic).
2611
2612	LogFlowFuncEnter();
2613	LogFlowFunc (("address=%p, x=%d, y=%d, width=%d, height=%d\n",
2614	(void *)address, x, y, width, height));
2615
2616	CheckComArgNotNull(address);
2617	CheckComArgExpr(width, width != 0);
2618	CheckComArgExpr(height, height != 0);
2619
2620	AutoCaller autoCaller(this);
2621	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2622
2623	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2624
2625	CHECK_CONSOLE_DRV (mpDrv);
2626
2627	Console::SafeVMPtr pVM(mParent);
2628	if (FAILED(pVM.rc())) return pVM.rc();
2629
2630	/*
2631	* Again we're lazy and make the graphics device do all the
2632	* dirty conversion work.
2633	*/
2634	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2635	int rcVBox = VMR3ReqCallWait(pVM, VMCPUID_ANY, (PFNRT)Display::drawToScreenEMT, 7,
2636	this, aScreenId, address, x, y, width, height);
2637	#else
2638	int rcVBox = VMR3ReqCallWait(pVM, VMCPUID_ANY, (PFNRT)mpDrv->pUpPort->pfnDisplayBlt, 6,
2639	mpDrv->pUpPort, address, x, y, width, height);
2640	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2641
2642	/*
2643	* If the function returns not supported, we'll have to do all the
2644	* work ourselves using the framebuffer.
2645	*/
2646	HRESULT rc = S_OK;
2647	if (rcVBox == VERR_NOT_SUPPORTED \|\| rcVBox == VERR_NOT_IMPLEMENTED)
2648	{
2649	/** @todo implement generic fallback for screen blitting. */
2650	rc = E_NOTIMPL;
2651	}
2652	else if (RT_FAILURE(rcVBox))
2653	rc = setError(VBOX_E_IPRT_ERROR,
2654	tr("Could not draw to the screen (%Rrc)"), rcVBox);
2655	//@todo
2656	// else
2657	// {
2658	// /* All ok. Redraw the screen. */
2659	// handleDisplayUpdate (x, y, width, height);
2660	// }
2661
2662	LogFlowFunc (("rc=%08X\n", rc));
2663	LogFlowFuncLeave();
2664	return rc;
2665	}
2666
2667	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2668	void Display::InvalidateAndUpdateEMT(Display *pDisplay)
2669	{
2670	pDisplay->vbvaLock();
2671	unsigned uScreenId;
2672	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2673	{
2674	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
2675
2676	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && !pFBInfo->pFramebuffer.isNull())
2677	{
2678	pDisplay->mpDrv->pUpPort->pfnUpdateDisplayAll(pDisplay->mpDrv->pUpPort);
2679	}
2680	else
2681	{
2682	if (!pFBInfo->pFramebuffer.isNull())
2683	{
2684	/* Render complete VRAM screen to the framebuffer.
2685	* When framebuffer uses VRAM directly, just notify it to update.
2686	*/
2687	if (pFBInfo->fDefaultFormat)
2688	{
2689	BYTE *address = NULL;
2690	HRESULT hrc = pFBInfo->pFramebuffer->COMGETTER(Address) (&address);
2691	if (SUCCEEDED(hrc) && address != NULL)
2692	{
2693	uint32_t width = pFBInfo->w;
2694	uint32_t height = pFBInfo->h;
2695
2696	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
2697	int32_t xSrc = 0;
2698	int32_t ySrc = 0;
2699	uint32_t u32SrcWidth = pFBInfo->w;
2700	uint32_t u32SrcHeight = pFBInfo->h;
2701	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
2702	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2703
2704	/* Default format is 32 bpp. */
2705	uint8_t *pu8Dst = address;
2706	int32_t xDst = xSrc;
2707	int32_t yDst = ySrc;
2708	uint32_t u32DstWidth = u32SrcWidth;
2709	uint32_t u32DstHeight = u32SrcHeight;
2710	uint32_t u32DstLineSize = u32DstWidth * 4;
2711	uint32_t u32DstBitsPerPixel = 32;
2712
2713	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2714	width, height,
2715	pu8Src,
2716	xSrc, ySrc,
2717	u32SrcWidth, u32SrcHeight,
2718	u32SrcLineSize, u32SrcBitsPerPixel,
2719	pu8Dst,
2720	xDst, yDst,
2721	u32DstWidth, u32DstHeight,
2722	u32DstLineSize, u32DstBitsPerPixel);
2723	}
2724	}
2725
2726	pDisplay->handleDisplayUpdate (pFBInfo->xOrigin, pFBInfo->yOrigin, pFBInfo->w, pFBInfo->h);
2727	}
2728	}
2729	}
2730	pDisplay->vbvaUnlock();
2731	}
2732	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
2733
2734	/**
2735	* Does a full invalidation of the VM display and instructs the VM
2736	* to update it immediately.
2737	*
2738	* @returns COM status code
2739	*/
2740	STDMETHODIMP Display::InvalidateAndUpdate()
2741	{
2742	LogFlowFuncEnter();
2743
2744	AutoCaller autoCaller(this);
2745	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2746
2747	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2748
2749	CHECK_CONSOLE_DRV (mpDrv);
2750
2751	Console::SafeVMPtr pVM(mParent);
2752	if (FAILED(pVM.rc())) return pVM.rc();
2753
2754	HRESULT rc = S_OK;
2755
2756	LogFlowFunc (("Sending DPYUPDATE request\n"));
2757
2758	/* Have to leave the lock when calling EMT. */
2759	alock.leave ();
2760
2761	/* pdm.h says that this has to be called from the EMT thread */
2762	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2763	int rcVBox = VMR3ReqCallVoidWait(pVM, VMCPUID_ANY, (PFNRT)Display::InvalidateAndUpdateEMT,
2764	1, this);
2765	#else
2766	int rcVBox = VMR3ReqCallVoidWait(pVM, VMCPUID_ANY,
2767	(PFNRT)mpDrv->pUpPort->pfnUpdateDisplayAll, 1, mpDrv->pUpPort);
2768	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2769	alock.enter ();
2770
2771	if (RT_FAILURE(rcVBox))
2772	rc = setError(VBOX_E_IPRT_ERROR,
2773	tr("Could not invalidate and update the screen (%Rrc)"), rcVBox);
2774
2775	LogFlowFunc (("rc=%08X\n", rc));
2776	LogFlowFuncLeave();
2777	return rc;
2778	}
2779
2780	/**
2781	* Notification that the framebuffer has completed the
2782	* asynchronous resize processing
2783	*
2784	* @returns COM status code
2785	*/
2786	STDMETHODIMP Display::ResizeCompleted(ULONG aScreenId)
2787	{
2788	LogFlowFunc (("\n"));
2789
2790	/// @todo (dmik) can we AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); here?
2791	// This will require general code review and may add some details.
2792	// In particular, we may want to check whether EMT is really waiting for
2793	// this notification, etc. It might be also good to obey the caller to make
2794	// sure this method is not called from more than one thread at a time
2795	// (and therefore don't use Display lock at all here to save some
2796	// milliseconds).
2797	AutoCaller autoCaller(this);
2798	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2799
2800	/* this is only valid for external framebuffers */
2801	if (maFramebuffers[aScreenId].pFramebuffer == NULL)
2802	return setError(VBOX_E_NOT_SUPPORTED,
2803	tr("Resize completed notification is valid only for external framebuffers"));
2804
2805	/* Set the flag indicating that the resize has completed and display
2806	* data need to be updated. */
2807	bool f = ASMAtomicCmpXchgU32 (&maFramebuffers[aScreenId].u32ResizeStatus,
2808	ResizeStatus_UpdateDisplayData, ResizeStatus_InProgress);
2809	AssertRelease(f);NOREF(f);
2810
2811	return S_OK;
2812	}
2813
2814	STDMETHODIMP Display::CompleteVHWACommand(BYTE *pCommand)
2815	{
2816	#ifdef VBOX_WITH_VIDEOHWACCEL
2817	mpDrv->pVBVACallbacks->pfnVHWACommandCompleteAsynch(mpDrv->pVBVACallbacks, (PVBOXVHWACMD)pCommand);
2818	return S_OK;
2819	#else
2820	return E_NOTIMPL;
2821	#endif
2822	}
2823
2824	// private methods
2825	/////////////////////////////////////////////////////////////////////////////
2826
2827	/**
2828	* Helper to update the display information from the framebuffer.
2829	*
2830	* @thread EMT
2831	*/
2832	void Display::updateDisplayData(void)
2833	{
2834	LogFlowFunc (("\n"));
2835
2836	/* the driver might not have been constructed yet */
2837	if (!mpDrv)
2838	return;
2839
2840	#if DEBUG
2841	/*
2842	* Sanity check. Note that this method may be called on EMT after Console
2843	* has started the power down procedure (but before our #drvDestruct() is
2844	* called, in which case pVM will already be NULL but mpDrv will not). Since
2845	* we don't really need pVM to proceed, we avoid this check in the release
2846	* build to save some ms (necessary to construct SafeVMPtrQuiet) in this
2847	* time-critical method.
2848	*/
2849	Console::SafeVMPtrQuiet pVM (mParent);
2850	if (pVM.isOk())
2851	VM_ASSERT_EMT (pVM.raw());
2852	#endif
2853
2854	/* The method is only relevant to the primary framebuffer. */
2855	IFramebuffer *pFramebuffer = maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].pFramebuffer;
2856
2857	if (pFramebuffer)
2858	{
2859	HRESULT rc;
2860	BYTE *address = 0;
2861	rc = pFramebuffer->COMGETTER(Address) (&address);
2862	AssertComRC (rc);
2863	ULONG bytesPerLine = 0;
2864	rc = pFramebuffer->COMGETTER(BytesPerLine) (&bytesPerLine);
2865	AssertComRC (rc);
2866	ULONG bitsPerPixel = 0;
2867	rc = pFramebuffer->COMGETTER(BitsPerPixel) (&bitsPerPixel);
2868	AssertComRC (rc);
2869	ULONG width = 0;
2870	rc = pFramebuffer->COMGETTER(Width) (&width);
2871	AssertComRC (rc);
2872	ULONG height = 0;
2873	rc = pFramebuffer->COMGETTER(Height) (&height);
2874	AssertComRC (rc);
2875
2876	mpDrv->IConnector.pu8Data = (uint8_t *) address;
2877	mpDrv->IConnector.cbScanline = bytesPerLine;
2878	mpDrv->IConnector.cBits = bitsPerPixel;
2879	mpDrv->IConnector.cx = width;
2880	mpDrv->IConnector.cy = height;
2881	}
2882	else
2883	{
2884	/* black hole */
2885	mpDrv->IConnector.pu8Data = NULL;
2886	mpDrv->IConnector.cbScanline = 0;
2887	mpDrv->IConnector.cBits = 0;
2888	mpDrv->IConnector.cx = 0;
2889	mpDrv->IConnector.cy = 0;
2890	}
2891	LogFlowFunc (("leave\n"));
2892	}
2893
2894	#ifdef VBOX_WITH_CRHGSMI
2895	void Display::setupCrHgsmiData(void)
2896	{
2897	VMMDev *pVMMDev = mParent->getVMMDev();
2898	Assert(pVMMDev);
2899	int rc = VERR_GENERAL_FAILURE;
2900	if (pVMMDev)
2901	rc = pVMMDev->hgcmHostSvcHandleCreate("VBoxSharedCrOpenGL", &mhCrOglSvc);
2902
2903	if (RT_SUCCESS(rc))
2904	{
2905	Assert(mhCrOglSvc);
2906	}
2907	else
2908	{
2909	mhCrOglSvc = NULL;
2910	}
2911	}
2912
2913	void Display::destructCrHgsmiData(void)
2914	{
2915	mhCrOglSvc = NULL;
2916	}
2917	#endif
2918
2919	/**
2920	* Changes the current frame buffer. Called on EMT to avoid both
2921	* race conditions and excessive locking.
2922	*
2923	* @note locks this object for writing
2924	* @thread EMT
2925	*/
2926	/* static */
2927	DECLCALLBACK(int) Display::changeFramebuffer (Display that, IFramebuffer aFB,
2928	unsigned uScreenId)
2929	{
2930	LogFlowFunc (("uScreenId = %d\n", uScreenId));
2931
2932	AssertReturn(that, VERR_INVALID_PARAMETER);
2933	AssertReturn(uScreenId < that->mcMonitors, VERR_INVALID_PARAMETER);
2934
2935	AutoCaller autoCaller(that);
2936	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2937
2938	AutoWriteLock alock(that COMMA_LOCKVAL_SRC_POS);
2939
2940	DISPLAYFBINFO *pDisplayFBInfo = &that->maFramebuffers[uScreenId];
2941	pDisplayFBInfo->pFramebuffer = aFB;
2942
2943	that->mParent->consoleVRDPServer()->SendResize ();
2944
2945	/* The driver might not have been constructed yet */
2946	if (that->mpDrv)
2947	{
2948	/* Setup the new framebuffer, the resize will lead to an updateDisplayData call. */
2949	DISPLAYFBINFO *pFBInfo = &that->maFramebuffers[uScreenId];
2950
2951	if (pFBInfo->fVBVAEnabled && pFBInfo->pu8FramebufferVRAM)
2952	{
2953	/* This display in VBVA mode. Resize it to the last guest resolution,
2954	* if it has been reported.
2955	*/
2956	that->handleDisplayResize(uScreenId, pFBInfo->u16BitsPerPixel,
2957	pFBInfo->pu8FramebufferVRAM,
2958	pFBInfo->u32LineSize,
2959	pFBInfo->w,
2960	pFBInfo->h);
2961	}
2962	else if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2963	{
2964	/* VGA device mode, only for the primary screen. */
2965	that->handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, that->mLastBitsPerPixel,
2966	that->mLastAddress,
2967	that->mLastBytesPerLine,
2968	that->mLastWidth,
2969	that->mLastHeight);
2970	}
2971	}
2972
2973	LogFlowFunc (("leave\n"));
2974	return VINF_SUCCESS;
2975	}
2976
2977	/**
2978	* Handle display resize event issued by the VGA device for the primary screen.
2979	*
2980	* @see PDMIDISPLAYCONNECTOR::pfnResize
2981	*/
2982	DECLCALLBACK(int) Display::displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface,
2983	uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy)
2984	{
2985	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2986
2987	LogFlowFunc (("bpp %d, pvVRAM %p, cbLine %d, cx %d, cy %d\n",
2988	bpp, pvVRAM, cbLine, cx, cy));
2989
2990	return pDrv->pDisplay->handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, bpp, pvVRAM, cbLine, cx, cy);
2991	}
2992
2993	/**
2994	* Handle display update.
2995	*
2996	* @see PDMIDISPLAYCONNECTOR::pfnUpdateRect
2997	*/
2998	DECLCALLBACK(void) Display::displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
2999	uint32_t x, uint32_t y, uint32_t cx, uint32_t cy)
3000	{
3001	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3002
3003	#ifdef DEBUG_sunlover
3004	LogFlowFunc (("mfVideoAccelEnabled = %d, %d,%d %dx%d\n",
3005	pDrv->pDisplay->mfVideoAccelEnabled, x, y, cx, cy));
3006	#endif /* DEBUG_sunlover */
3007
3008	/* This call does update regardless of VBVA status.
3009	* But in VBVA mode this is called only as result of
3010	* pfnUpdateDisplayAll in the VGA device.
3011	*/
3012
3013	pDrv->pDisplay->handleDisplayUpdate(x, y, cx, cy);
3014	}
3015
3016	/**
3017	* Periodic display refresh callback.
3018	*
3019	* @see PDMIDISPLAYCONNECTOR::pfnRefresh
3020	*/
3021	DECLCALLBACK(void) Display::displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface)
3022	{
3023	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3024
3025	#ifdef DEBUG_sunlover
3026	STAM_PROFILE_START(&StatDisplayRefresh, a);
3027	#endif /* DEBUG_sunlover */
3028
3029	#ifdef DEBUG_sunlover_2
3030	LogFlowFunc (("pDrv->pDisplay->mfVideoAccelEnabled = %d\n",
3031	pDrv->pDisplay->mfVideoAccelEnabled));
3032	#endif /* DEBUG_sunlover_2 */
3033
3034	Display *pDisplay = pDrv->pDisplay;
3035	bool fNoUpdate = false; /* Do not update the display if any of the framebuffers is being resized. */
3036	unsigned uScreenId;
3037
3038	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
3039	{
3040	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
3041
3042	/* Check the resize status. The status can be checked normally because
3043	* the status affects only the EMT.
3044	*/
3045	uint32_t u32ResizeStatus = pFBInfo->u32ResizeStatus;
3046
3047	if (u32ResizeStatus == ResizeStatus_UpdateDisplayData)
3048	{
3049	LogFlowFunc (("ResizeStatus_UpdateDisplayData %d\n", uScreenId));
3050	fNoUpdate = true; /* Always set it here, because pfnUpdateDisplayAll can cause a new resize. */
3051	/* The framebuffer was resized and display data need to be updated. */
3052	pDisplay->handleResizeCompletedEMT ();
3053	if (pFBInfo->u32ResizeStatus != ResizeStatus_Void)
3054	{
3055	/* The resize status could be not Void here because a pending resize is issued. */
3056	continue;
3057	}
3058	/* Continue with normal processing because the status here is ResizeStatus_Void. */
3059	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3060	{
3061	/* Repaint the display because VM continued to run during the framebuffer resize. */
3062	if (!pFBInfo->pFramebuffer.isNull())
3063	#ifdef VBOX_WITH_OLD_VBVA_LOCK
3064	{
3065	pDisplay->vbvaLock();
3066	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
3067	pDrv->pUpPort->pfnUpdateDisplayAll(pDrv->pUpPort);
3068	#ifdef VBOX_WITH_OLD_VBVA_LOCK
3069	pDisplay->vbvaUnlock();
3070	}
3071	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
3072	}
3073	}
3074	else if (u32ResizeStatus == ResizeStatus_InProgress)
3075	{
3076	/* The framebuffer is being resized. Do not call the VGA device back. Immediately return. */
3077	LogFlowFunc (("ResizeStatus_InProcess\n"));
3078	fNoUpdate = true;
3079	continue;
3080	}
3081	}
3082
3083	if (!fNoUpdate)
3084	{
3085	#ifdef VBOX_WITH_OLD_VBVA_LOCK
3086	int rc = pDisplay->videoAccelRefreshProcess();
3087
3088	if (rc != VINF_TRY_AGAIN) /* Means 'do nothing' here. */
3089	{
3090	if (rc == VWRN_INVALID_STATE)
3091	{
3092	/* No VBVA do a display update. */
3093	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN];
3094	if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
3095	{
3096	Assert(pDrv->IConnector.pu8Data);
3097	pDisplay->vbvaLock();
3098	pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
3099	pDisplay->vbvaUnlock();
3100	}
3101	}
3102
3103	/* Inform the VRDP server that the current display update sequence is
3104	* completed. At this moment the framebuffer memory contains a definite
3105	* image, that is synchronized with the orders already sent to VRDP client.
3106	* The server can now process redraw requests from clients or initial
3107	* fullscreen updates for new clients.
3108	*/
3109	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
3110	{
3111	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
3112
3113	if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
3114	{
3115	Assert (pDisplay->mParent && pDisplay->mParent->consoleVRDPServer());
3116	pDisplay->mParent->consoleVRDPServer()->SendUpdate (uScreenId, NULL, 0);
3117	}
3118	}
3119	}
3120	#else
3121	if (pDisplay->mfPendingVideoAccelEnable)
3122	{
3123	/* Acceleration was enabled while machine was not yet running
3124	* due to restoring from saved state. Update entire display and
3125	* actually enable acceleration.
3126	*/
3127	Assert(pDisplay->mpPendingVbvaMemory);
3128
3129	/* Acceleration can not be yet enabled.*/
3130	Assert(pDisplay->mpVbvaMemory == NULL);
3131	Assert(!pDisplay->mfVideoAccelEnabled);
3132
3133	if (pDisplay->mfMachineRunning)
3134	{
3135	pDisplay->VideoAccelEnable (pDisplay->mfPendingVideoAccelEnable,
3136	pDisplay->mpPendingVbvaMemory);
3137
3138	/* Reset the pending state. */
3139	pDisplay->mfPendingVideoAccelEnable = false;
3140	pDisplay->mpPendingVbvaMemory = NULL;
3141	}
3142	}
3143	else
3144	{
3145	Assert(pDisplay->mpPendingVbvaMemory == NULL);
3146
3147	if (pDisplay->mfVideoAccelEnabled)
3148	{
3149	Assert(pDisplay->mpVbvaMemory);
3150	pDisplay->VideoAccelFlush ();
3151	}
3152	else
3153	{
3154	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN];
3155	if (!pFBInfo->pFramebuffer.isNull())
3156	{
3157	Assert(pDrv->IConnector.pu8Data);
3158	Assert(pFBInfo->u32ResizeStatus == ResizeStatus_Void);
3159	pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
3160	}
3161	}
3162
3163	/* Inform the VRDP server that the current display update sequence is
3164	* completed. At this moment the framebuffer memory contains a definite
3165	* image, that is synchronized with the orders already sent to VRDP client.
3166	* The server can now process redraw requests from clients or initial
3167	* fullscreen updates for new clients.
3168	*/
3169	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
3170	{
3171	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
3172
3173	if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
3174	{
3175	Assert (pDisplay->mParent && pDisplay->mParent->consoleVRDPServer());
3176	pDisplay->mParent->consoleVRDPServer()->SendUpdate (uScreenId, NULL, 0);
3177	}
3178	}
3179	}
3180	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
3181	}
3182
3183	#ifdef DEBUG_sunlover
3184	STAM_PROFILE_STOP(&StatDisplayRefresh, a);
3185	#endif /* DEBUG_sunlover */
3186	#ifdef DEBUG_sunlover_2
3187	LogFlowFunc (("leave\n"));
3188	#endif /* DEBUG_sunlover_2 */
3189	}
3190
3191	/**
3192	* Reset notification
3193	*
3194	* @see PDMIDISPLAYCONNECTOR::pfnReset
3195	*/
3196	DECLCALLBACK(void) Display::displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface)
3197	{
3198	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3199
3200	LogFlowFunc (("\n"));
3201
3202	/* Disable VBVA mode. */
3203	pDrv->pDisplay->VideoAccelEnable (false, NULL);
3204	}
3205
3206	/**
3207	* LFBModeChange notification
3208	*
3209	* @see PDMIDISPLAYCONNECTOR::pfnLFBModeChange
3210	*/
3211	DECLCALLBACK(void) Display::displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled)
3212	{
3213	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3214
3215	LogFlowFunc (("fEnabled=%d\n", fEnabled));
3216
3217	NOREF(fEnabled);
3218
3219	/* Disable VBVA mode in any case. The guest driver reenables VBVA mode if necessary. */
3220	#ifdef VBOX_WITH_OLD_VBVA_LOCK
3221	/* This is called under DevVGA lock. Postpone disabling VBVA, do it in the refresh timer. */
3222	ASMAtomicWriteU32(&pDrv->pDisplay->mfu32PendingVideoAccelDisable, true);
3223	#else
3224	pDrv->pDisplay->VideoAccelEnable (false, NULL);
3225	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
3226	}
3227
3228	/**
3229	* Adapter information change notification.
3230	*
3231	* @see PDMIDISPLAYCONNECTOR::pfnProcessAdapterData
3232	*/
3233	DECLCALLBACK(void) Display::displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, uint32_t u32VRAMSize)
3234	{
3235	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3236
3237	if (pvVRAM == NULL)
3238	{
3239	unsigned i;
3240	for (i = 0; i < pDrv->pDisplay->mcMonitors; i++)
3241	{
3242	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[i];
3243
3244	pFBInfo->u32Offset = 0;
3245	pFBInfo->u32MaxFramebufferSize = 0;
3246	pFBInfo->u32InformationSize = 0;
3247	}
3248	}
3249	#ifndef VBOX_WITH_HGSMI
3250	else
3251	{
3252	uint8_t pu8 = (uint8_t )pvVRAM;
3253	pu8 += u32VRAMSize - VBOX_VIDEO_ADAPTER_INFORMATION_SIZE;
3254
3255	// @todo
3256	uint8_t *pu8End = pu8 + VBOX_VIDEO_ADAPTER_INFORMATION_SIZE;
3257
3258	VBOXVIDEOINFOHDR *pHdr;
3259
3260	for (;;)
3261	{
3262	pHdr = (VBOXVIDEOINFOHDR *)pu8;
3263	pu8 += sizeof (VBOXVIDEOINFOHDR);
3264
3265	if (pu8 >= pu8End)
3266	{
3267	LogRel(("VBoxVideo: Guest adapter information overflow!!!\n"));
3268	break;
3269	}
3270
3271	if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_DISPLAY)
3272	{
3273	if (pHdr->u16Length != sizeof (VBOXVIDEOINFODISPLAY))
3274	{
3275	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "DISPLAY", pHdr->u16Length));
3276	break;
3277	}
3278
3279	VBOXVIDEOINFODISPLAY pDisplay = (VBOXVIDEOINFODISPLAY )pu8;
3280
3281	if (pDisplay->u32Index >= pDrv->pDisplay->mcMonitors)
3282	{
3283	LogRel(("VBoxVideo: Guest adapter information invalid display index %d!!!\n", pDisplay->u32Index));
3284	break;
3285	}
3286
3287	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[pDisplay->u32Index];
3288
3289	pFBInfo->u32Offset = pDisplay->u32Offset;
3290	pFBInfo->u32MaxFramebufferSize = pDisplay->u32FramebufferSize;
3291	pFBInfo->u32InformationSize = pDisplay->u32InformationSize;
3292
3293	LogFlow(("VBOX_VIDEO_INFO_TYPE_DISPLAY: %d: at 0x%08X, size 0x%08X, info 0x%08X\n", pDisplay->u32Index, pDisplay->u32Offset, pDisplay->u32FramebufferSize, pDisplay->u32InformationSize));
3294	}
3295	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_QUERY_CONF32)
3296	{
3297	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOQUERYCONF32))
3298	{
3299	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "CONF32", pHdr->u16Length));
3300	break;
3301	}
3302
3303	VBOXVIDEOINFOQUERYCONF32 pConf32 = (VBOXVIDEOINFOQUERYCONF32 )pu8;
3304
3305	switch (pConf32->u32Index)
3306	{
3307	case VBOX_VIDEO_QCI32_MONITOR_COUNT:
3308	{
3309	pConf32->u32Value = pDrv->pDisplay->mcMonitors;
3310	} break;
3311
3312	case VBOX_VIDEO_QCI32_OFFSCREEN_HEAP_SIZE:
3313	{
3314	/* @todo make configurable. */
3315	pConf32->u32Value = _1M;
3316	} break;
3317
3318	default:
3319	LogRel(("VBoxVideo: CONF32 %d not supported!!! Skipping.\n", pConf32->u32Index));
3320	}
3321	}
3322	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
3323	{
3324	if (pHdr->u16Length != 0)
3325	{
3326	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
3327	break;
3328	}
3329
3330	break;
3331	}
3332	else if (pHdr->u8Type != VBOX_VIDEO_INFO_TYPE_NV_HEAP) /** @todo why is Additions/WINNT/Graphics/Miniport/VBoxVideo.cpp pushing this to us? */
3333	{
3334	LogRel(("Guest adapter information contains unsupported type %d. The block has been skipped.\n", pHdr->u8Type));
3335	}
3336
3337	pu8 += pHdr->u16Length;
3338	}
3339	}
3340	#endif /* !VBOX_WITH_HGSMI */
3341	}
3342
3343	/**
3344	* Display information change notification.
3345	*
3346	* @see PDMIDISPLAYCONNECTOR::pfnProcessDisplayData
3347	*/
3348	DECLCALLBACK(void) Display::displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, unsigned uScreenId)
3349	{
3350	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3351
3352	if (uScreenId >= pDrv->pDisplay->mcMonitors)
3353	{
3354	LogRel(("VBoxVideo: Guest display information invalid display index %d!!!\n", uScreenId));
3355	return;
3356	}
3357
3358	/* Get the display information structure. */
3359	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[uScreenId];
3360
3361	uint8_t pu8 = (uint8_t )pvVRAM;
3362	pu8 += pFBInfo->u32Offset + pFBInfo->u32MaxFramebufferSize;
3363
3364	// @todo
3365	uint8_t *pu8End = pu8 + pFBInfo->u32InformationSize;
3366
3367	VBOXVIDEOINFOHDR *pHdr;
3368
3369	for (;;)
3370	{
3371	pHdr = (VBOXVIDEOINFOHDR *)pu8;
3372	pu8 += sizeof (VBOXVIDEOINFOHDR);
3373
3374	if (pu8 >= pu8End)
3375	{
3376	LogRel(("VBoxVideo: Guest display information overflow!!!\n"));
3377	break;
3378	}
3379
3380	if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_SCREEN)
3381	{
3382	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOSCREEN))
3383	{
3384	LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "SCREEN", pHdr->u16Length));
3385	break;
3386	}
3387
3388	VBOXVIDEOINFOSCREEN pScreen = (VBOXVIDEOINFOSCREEN )pu8;
3389
3390	pFBInfo->xOrigin = pScreen->xOrigin;
3391	pFBInfo->yOrigin = pScreen->yOrigin;
3392
3393	pFBInfo->w = pScreen->u16Width;
3394	pFBInfo->h = pScreen->u16Height;
3395
3396	LogFlow(("VBOX_VIDEO_INFO_TYPE_SCREEN: (%p) %d: at %d,%d, linesize 0x%X, size %dx%d, bpp %d, flags 0x%02X\n",
3397	pHdr, uScreenId, pScreen->xOrigin, pScreen->yOrigin, pScreen->u32LineSize, pScreen->u16Width, pScreen->u16Height, pScreen->bitsPerPixel, pScreen->u8Flags));
3398
3399	if (uScreenId != VBOX_VIDEO_PRIMARY_SCREEN)
3400	{
3401	/* Primary screen resize is initiated by the VGA device. */
3402	pDrv->pDisplay->handleDisplayResize(uScreenId, pScreen->bitsPerPixel, (uint8_t *)pvVRAM + pFBInfo->u32Offset, pScreen->u32LineSize, pScreen->u16Width, pScreen->u16Height);
3403	}
3404	}
3405	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
3406	{
3407	if (pHdr->u16Length != 0)
3408	{
3409	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
3410	break;
3411	}
3412
3413	break;
3414	}
3415	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_HOST_EVENTS)
3416	{
3417	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOHOSTEVENTS))
3418	{
3419	LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "HOST_EVENTS", pHdr->u16Length));
3420	break;
3421	}
3422
3423	VBOXVIDEOINFOHOSTEVENTS pHostEvents = (VBOXVIDEOINFOHOSTEVENTS )pu8;
3424
3425	pFBInfo->pHostEvents = pHostEvents;
3426
3427	LogFlow(("VBOX_VIDEO_INFO_TYPE_HOSTEVENTS: (%p)\n",
3428	pHostEvents));
3429	}
3430	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_LINK)
3431	{
3432	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOLINK))
3433	{
3434	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "LINK", pHdr->u16Length));
3435	break;
3436	}
3437
3438	VBOXVIDEOINFOLINK pLink = (VBOXVIDEOINFOLINK )pu8;
3439	pu8 += pLink->i32Offset;
3440	}
3441	else
3442	{
3443	LogRel(("Guest display information contains unsupported type %d\n", pHdr->u8Type));
3444	}
3445
3446	pu8 += pHdr->u16Length;
3447	}
3448	}
3449
3450	#ifdef VBOX_WITH_VIDEOHWACCEL
3451
3452	void Display::handleVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand)
3453	{
3454	unsigned id = (unsigned)pCommand->iDisplay;
3455	int rc = VINF_SUCCESS;
3456	if (id < mcMonitors)
3457	{
3458	IFramebuffer *pFramebuffer = maFramebuffers[id].pFramebuffer;
3459	#ifdef DEBUG_misha
3460	Assert (pFramebuffer);
3461	#endif
3462
3463	if (pFramebuffer != NULL)
3464	{
3465	HRESULT hr = pFramebuffer->ProcessVHWACommand((BYTE*)pCommand);
3466	if (FAILED(hr))
3467	{
3468	rc = (hr == E_NOTIMPL) ? VERR_NOT_IMPLEMENTED : VERR_GENERAL_FAILURE;
3469	}
3470	}
3471	else
3472	{
3473	rc = VERR_NOT_IMPLEMENTED;
3474	}
3475	}
3476	else
3477	{
3478	rc = VERR_INVALID_PARAMETER;
3479	}
3480
3481	if (RT_FAILURE(rc))
3482	{
3483	/* tell the guest the command is complete */
3484	pCommand->Flags &= (~VBOXVHWACMD_FLAG_HG_ASYNCH);
3485	pCommand->rc = rc;
3486	}
3487	}
3488
3489	DECLCALLBACK(void) Display::displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand)
3490	{
3491	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3492
3493	pDrv->pDisplay->handleVHWACommandProcess(pInterface, pCommand);
3494	}
3495	#endif
3496
3497	#ifdef VBOX_WITH_CRHGSMI
3498	void Display::handleCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam)
3499	{
3500	mpDrv->pVBVACallbacks->pfnCrHgsmiCommandCompleteAsync(mpDrv->pVBVACallbacks, (PVBOXVDMACMD_CHROMIUM_CMD)pParam->u.pointer.addr, result);
3501	}
3502
3503	void Display::handleCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam)
3504	{
3505	mpDrv->pVBVACallbacks->pfnCrHgsmiControlCompleteAsync(mpDrv->pVBVACallbacks, (PVBOXVDMACMD_CHROMIUM_CTL)pParam->u.pointer.addr, result);
3506	}
3507
3508	void Display::handleCrHgsmiCommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CMD pCmd)
3509	{
3510	int rc = VERR_INVALID_FUNCTION;
3511	VBOXHGCMSVCPARM parm;
3512	parm.type = VBOX_HGCM_SVC_PARM_PTR;
3513	parm.u.pointer.addr = pCmd;
3514	parm.u.pointer.size = 0;
3515
3516	if (mhCrOglSvc)
3517	{
3518	VMMDev *pVMMDev = mParent->getVMMDev();
3519	if (pVMMDev)
3520	{
3521	rc = pVMMDev->hgcmHostFastCallAsync(mhCrOglSvc, SHCRGL_HOST_FN_CRHGSMI_CMD, &parm, Display::displayCrHgsmiCommandCompletion, this);
3522	AssertRC(rc);
3523	if (RT_SUCCESS(rc))
3524	return;
3525	}
3526	else
3527	rc = VERR_INVALID_STATE;
3528	}
3529
3530	/* we are here because something went wrong with command processing, complete it */
3531	handleCrHgsmiCommandCompletion(rc, SHCRGL_HOST_FN_CRHGSMI_CMD, &parm);
3532	}
3533
3534	void Display::handleCrHgsmiControlProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CTL pCtl)
3535	{
3536	int rc = VERR_INVALID_FUNCTION;
3537	VBOXHGCMSVCPARM parm;
3538	parm.type = VBOX_HGCM_SVC_PARM_PTR;
3539	parm.u.pointer.addr = pCtl;
3540	parm.u.pointer.size = 0;
3541
3542	if (mhCrOglSvc)
3543	{
3544	VMMDev *pVMMDev = mParent->getVMMDev();
3545	if (pVMMDev)
3546	{
3547	rc = pVMMDev->hgcmHostFastCallAsync(mhCrOglSvc, SHCRGL_HOST_FN_CRHGSMI_CTL, &parm, Display::displayCrHgsmiControlCompletion, this);
3548	AssertRC(rc);
3549	if (RT_SUCCESS(rc))
3550	return;
3551	}
3552	else
3553	rc = VERR_INVALID_STATE;
3554	}
3555
3556	/* we are here because something went wrong with command processing, complete it */
3557	handleCrHgsmiControlCompletion(rc, SHCRGL_HOST_FN_CRHGSMI_CTL, &parm);
3558	}
3559
3560	DECLCALLBACK(void) Display::displayCrHgsmiCommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CMD pCmd)
3561	{
3562	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3563
3564	pDrv->pDisplay->handleCrHgsmiCommandProcess(pInterface, pCmd);
3565	}
3566
3567	DECLCALLBACK(void) Display::displayCrHgsmiControlProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CTL pCmd)
3568	{
3569	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3570
3571	pDrv->pDisplay->handleCrHgsmiControlProcess(pInterface, pCmd);
3572	}
3573
3574	DECLCALLBACK(void) Display::displayCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam, void *pvContext)
3575	{
3576	Display pDisplay = (Display )pvContext;
3577	pDisplay->handleCrHgsmiCommandCompletion(result, u32Function, pParam);
3578	}
3579
3580	DECLCALLBACK(void) Display::displayCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam, void *pvContext)
3581	{
3582	Display pDisplay = (Display )pvContext;
3583	pDisplay->handleCrHgsmiControlCompletion(result, u32Function, pParam);
3584	}
3585	#endif
3586
3587
3588	#ifdef VBOX_WITH_HGSMI
3589	DECLCALLBACK(int) Display::displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, PVBVAHOSTFLAGS pHostFlags)
3590	{
3591	LogFlowFunc(("uScreenId %d\n", uScreenId));
3592
3593	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3594	Display *pThis = pDrv->pDisplay;
3595
3596	pThis->maFramebuffers[uScreenId].fVBVAEnabled = true;
3597	pThis->maFramebuffers[uScreenId].pVBVAHostFlags = pHostFlags;
3598
3599	vbvaSetMemoryFlagsHGSMI(uScreenId, pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, &pThis->maFramebuffers[uScreenId]);
3600
3601	return VINF_SUCCESS;
3602	}
3603
3604	DECLCALLBACK(void) Display::displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3605	{
3606	LogFlowFunc(("uScreenId %d\n", uScreenId));
3607
3608	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3609	Display *pThis = pDrv->pDisplay;
3610
3611	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3612
3613	pFBInfo->fVBVAEnabled = false;
3614
3615	vbvaSetMemoryFlagsHGSMI(uScreenId, 0, false, pFBInfo);
3616
3617	pFBInfo->pVBVAHostFlags = NULL;
3618
3619	pFBInfo->u32Offset = 0; /* Not used in HGSMI. */
3620	pFBInfo->u32MaxFramebufferSize = 0; /* Not used in HGSMI. */
3621	pFBInfo->u32InformationSize = 0; /* Not used in HGSMI. */
3622
3623	pFBInfo->xOrigin = 0;
3624	pFBInfo->yOrigin = 0;
3625
3626	pFBInfo->w = 0;
3627	pFBInfo->h = 0;
3628
3629	pFBInfo->u16BitsPerPixel = 0;
3630	pFBInfo->pu8FramebufferVRAM = NULL;
3631	pFBInfo->u32LineSize = 0;
3632	}
3633
3634	DECLCALLBACK(void) Display::displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3635	{
3636	LogFlowFunc(("uScreenId %d\n", uScreenId));
3637
3638	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3639	Display *pThis = pDrv->pDisplay;
3640	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3641
3642	if (ASMAtomicReadU32(&pThis->mu32UpdateVBVAFlags) > 0)
3643	{
3644	vbvaSetMemoryFlagsAllHGSMI(pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, pThis->maFramebuffers, pThis->mcMonitors);
3645	ASMAtomicDecU32(&pThis->mu32UpdateVBVAFlags);
3646	}
3647
3648	if (RT_LIKELY(pFBInfo->u32ResizeStatus == ResizeStatus_Void))
3649	{
3650	if (RT_UNLIKELY(pFBInfo->cVBVASkipUpdate != 0))
3651	{
3652	/* Some updates were skipped. Note: displayVBVAUpdate* callbacks are called
3653	* under display device lock, so thread safe.
3654	*/
3655	pFBInfo->cVBVASkipUpdate = 0;
3656	pThis->handleDisplayUpdate(pFBInfo->vbvaSkippedRect.xLeft,
3657	pFBInfo->vbvaSkippedRect.yTop,
3658	pFBInfo->vbvaSkippedRect.xRight - pFBInfo->vbvaSkippedRect.xLeft,
3659	pFBInfo->vbvaSkippedRect.yBottom - pFBInfo->vbvaSkippedRect.yTop);
3660	}
3661	}
3662	else
3663	{
3664	/* The framebuffer is being resized. */
3665	pFBInfo->cVBVASkipUpdate++;
3666	}
3667	}
3668
3669	DECLCALLBACK(void) Display::displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, const PVBVACMDHDR pCmd, size_t cbCmd)
3670	{
3671	LogFlowFunc(("uScreenId %d pCmd %p cbCmd %d, @%d,%d %dx%d\n", uScreenId, pCmd, cbCmd, pCmd->x, pCmd->y, pCmd->w, pCmd->h));
3672
3673	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3674	Display *pThis = pDrv->pDisplay;
3675	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3676
3677	if (RT_LIKELY(pFBInfo->cVBVASkipUpdate == 0))
3678	{
3679	if (pFBInfo->fDefaultFormat)
3680	{
3681	/* Make sure that framebuffer contains the same image as the guest VRAM. */
3682	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && !pFBInfo->pFramebuffer.isNull())
3683	{
3684	pDrv->pUpPort->pfnUpdateDisplayRect (pDrv->pUpPort, pCmd->x, pCmd->y, pCmd->w, pCmd->h);
3685	}
3686	else if (!pFBInfo->pFramebuffer.isNull())
3687	{
3688	/* Render VRAM content to the framebuffer. */
3689	BYTE *address = NULL;
3690	HRESULT hrc = pFBInfo->pFramebuffer->COMGETTER(Address) (&address);
3691	if (SUCCEEDED(hrc) && address != NULL)
3692	{
3693	uint32_t width = pCmd->w;
3694	uint32_t height = pCmd->h;
3695
3696	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
3697	int32_t xSrc = pCmd->x - pFBInfo->xOrigin;
3698	int32_t ySrc = pCmd->y - pFBInfo->yOrigin;
3699	uint32_t u32SrcWidth = pFBInfo->w;
3700	uint32_t u32SrcHeight = pFBInfo->h;
3701	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
3702	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
3703
3704	uint8_t *pu8Dst = address;
3705	int32_t xDst = xSrc;
3706	int32_t yDst = ySrc;
3707	uint32_t u32DstWidth = u32SrcWidth;
3708	uint32_t u32DstHeight = u32SrcHeight;
3709	uint32_t u32DstLineSize = u32DstWidth * 4;
3710	uint32_t u32DstBitsPerPixel = 32;
3711
3712	pDrv->pUpPort->pfnCopyRect(pDrv->pUpPort,
3713	width, height,
3714	pu8Src,
3715	xSrc, ySrc,
3716	u32SrcWidth, u32SrcHeight,
3717	u32SrcLineSize, u32SrcBitsPerPixel,
3718	pu8Dst,
3719	xDst, yDst,
3720	u32DstWidth, u32DstHeight,
3721	u32DstLineSize, u32DstBitsPerPixel);
3722	}
3723	}
3724	}
3725
3726	VBVACMDHDR hdrSaved = *pCmd;
3727
3728	VBVACMDHDR pHdrUnconst = (VBVACMDHDR )pCmd;
3729
3730	pHdrUnconst->x -= (int16_t)pFBInfo->xOrigin;
3731	pHdrUnconst->y -= (int16_t)pFBInfo->yOrigin;
3732
3733	/* @todo new SendUpdate entry which can get a separate cmd header or coords. */
3734	pThis->mParent->consoleVRDPServer()->SendUpdate (uScreenId, pCmd, cbCmd);
3735
3736	*pHdrUnconst = hdrSaved;
3737	}
3738	}
3739
3740	DECLCALLBACK(void) Display::displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y, uint32_t cx, uint32_t cy)
3741	{
3742	LogFlowFunc(("uScreenId %d %d,%d %dx%d\n", uScreenId, x, y, cx, cy));
3743
3744	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3745	Display *pThis = pDrv->pDisplay;
3746	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3747
3748	/* @todo handleFramebufferUpdate (uScreenId,
3749	* x - pThis->maFramebuffers[uScreenId].xOrigin,
3750	* y - pThis->maFramebuffers[uScreenId].yOrigin,
3751	* cx, cy);
3752	*/
3753	if (RT_LIKELY(pFBInfo->cVBVASkipUpdate == 0))
3754	{
3755	pThis->handleDisplayUpdate(x, y, cx, cy);
3756	}
3757	else
3758	{
3759	/* Save the updated rectangle. */
3760	int32_t xRight = x + cx;
3761	int32_t yBottom = y + cy;
3762
3763	if (pFBInfo->cVBVASkipUpdate == 1)
3764	{
3765	pFBInfo->vbvaSkippedRect.xLeft = x;
3766	pFBInfo->vbvaSkippedRect.yTop = y;
3767	pFBInfo->vbvaSkippedRect.xRight = xRight;
3768	pFBInfo->vbvaSkippedRect.yBottom = yBottom;
3769	}
3770	else
3771	{
3772	if (pFBInfo->vbvaSkippedRect.xLeft > x)
3773	{
3774	pFBInfo->vbvaSkippedRect.xLeft = x;
3775	}
3776	if (pFBInfo->vbvaSkippedRect.yTop > y)
3777	{
3778	pFBInfo->vbvaSkippedRect.yTop = y;
3779	}
3780	if (pFBInfo->vbvaSkippedRect.xRight < xRight)
3781	{
3782	pFBInfo->vbvaSkippedRect.xRight = xRight;
3783	}
3784	if (pFBInfo->vbvaSkippedRect.yBottom < yBottom)
3785	{
3786	pFBInfo->vbvaSkippedRect.yBottom = yBottom;
3787	}
3788	}
3789	}
3790	}
3791
3792	DECLCALLBACK(int) Display::displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, void *pvVRAM)
3793	{
3794	LogFlowFunc(("pScreen %p, pvVRAM %p\n", pScreen, pvVRAM));
3795
3796	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3797	Display *pThis = pDrv->pDisplay;
3798
3799	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[pScreen->u32ViewIndex];
3800
3801	/* Check if this is a real resize or a notification about the screen origin.
3802	* The guest uses this VBVAResize call for both.
3803	*/
3804	bool fResize = pFBInfo->u16BitsPerPixel != pScreen->u16BitsPerPixel
3805	\|\| pFBInfo->pu8FramebufferVRAM != (uint8_t *)pvVRAM + pScreen->u32StartOffset
3806	\|\| pFBInfo->u32LineSize != pScreen->u32LineSize
3807	\|\| pFBInfo->w != pScreen->u32Width
3808	\|\| pFBInfo->h != pScreen->u32Height;
3809
3810	bool fNewOrigin = pFBInfo->xOrigin != pScreen->i32OriginX
3811	\|\| pFBInfo->yOrigin != pScreen->i32OriginY;
3812
3813	pFBInfo->u32Offset = pView->u32ViewOffset; /* Not used in HGSMI. */
3814	pFBInfo->u32MaxFramebufferSize = pView->u32MaxScreenSize; /* Not used in HGSMI. */
3815	pFBInfo->u32InformationSize = 0; /* Not used in HGSMI. */
3816
3817	pFBInfo->xOrigin = pScreen->i32OriginX;
3818	pFBInfo->yOrigin = pScreen->i32OriginY;
3819
3820	pFBInfo->w = pScreen->u32Width;
3821	pFBInfo->h = pScreen->u32Height;
3822
3823	pFBInfo->u16BitsPerPixel = pScreen->u16BitsPerPixel;
3824	pFBInfo->pu8FramebufferVRAM = (uint8_t *)pvVRAM + pScreen->u32StartOffset;
3825	pFBInfo->u32LineSize = pScreen->u32LineSize;
3826
3827	if (fNewOrigin)
3828	{
3829	/* @todo May be framebuffer/display should be notified in this case. */
3830	}
3831
3832	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
3833	if (fNewOrigin && !fResize)
3834	{
3835	BOOL is3denabled;
3836	pThis->mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
3837
3838	if (is3denabled)
3839	{
3840	VBOXHGCMSVCPARM parm;
3841
3842	parm.type = VBOX_HGCM_SVC_PARM_32BIT;
3843	parm.u.uint32 = pScreen->u32ViewIndex;
3844
3845	VMMDev *pVMMDev = pThis->mParent->getVMMDev();
3846
3847	if (pVMMDev)
3848	pVMMDev->hgcmHostCall("VBoxSharedCrOpenGL", SHCRGL_HOST_FN_SCREEN_CHANGED, SHCRGL_CPARMS_SCREEN_CHANGED, &parm);
3849	}
3850	}
3851	#endif /* VBOX_WITH_CROGL */
3852
3853	if (!fResize)
3854	{
3855	/* No parameters of the framebuffer have actually changed. */
3856	if (fNewOrigin)
3857	{
3858	/* VRDP server still need this notification. */
3859	LogFlowFunc (("Calling VRDP\n"));
3860	pThis->mParent->consoleVRDPServer()->SendResize();
3861	}
3862	return VINF_SUCCESS;
3863	}
3864
3865	return pThis->handleDisplayResize(pScreen->u32ViewIndex, pScreen->u16BitsPerPixel,
3866	(uint8_t *)pvVRAM + pScreen->u32StartOffset,
3867	pScreen->u32LineSize, pScreen->u32Width, pScreen->u32Height);
3868	}
3869
3870	DECLCALLBACK(int) Display::displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
3871	uint32_t xHot, uint32_t yHot,
3872	uint32_t cx, uint32_t cy,
3873	const void *pvShape)
3874	{
3875	LogFlowFunc(("\n"));
3876
3877	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3878	Display *pThis = pDrv->pDisplay;
3879
3880	size_t cbShapeSize = 0;
3881
3882	if (pvShape)
3883	{
3884	cbShapeSize = (cx + 7) / 8 * cy; /* size of the AND mask */
3885	cbShapeSize = ((cbShapeSize + 3) & ~3) + cx * 4 * cy; /* + gap + size of the XOR mask */
3886	}
3887	com::SafeArray<BYTE> shapeData(cbShapeSize);
3888
3889	if (pvShape)
3890	::memcpy(shapeData.raw(), pvShape, cbShapeSize);
3891
3892	/* Tell the console about it */
3893	pDrv->pDisplay->mParent->onMousePointerShapeChange(fVisible, fAlpha,
3894	xHot, yHot, cx, cy, ComSafeArrayAsInParam(shapeData));
3895
3896	return VINF_SUCCESS;
3897	}
3898	#endif /* VBOX_WITH_HGSMI */
3899
3900	/**
3901	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
3902	*/
3903	DECLCALLBACK(void ) Display::drvQueryInterface(PPDMIBASE pInterface, const char pszIID)
3904	{
3905	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
3906	PDRVMAINDISPLAY pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3907	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
3908	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIDISPLAYCONNECTOR, &pDrv->IConnector);
3909	return NULL;
3910	}
3911
3912
3913	/**
3914	* Destruct a display driver instance.
3915	*
3916	* @returns VBox status.
3917	* @param pDrvIns The driver instance data.
3918	*/
3919	DECLCALLBACK(void) Display::drvDestruct(PPDMDRVINS pDrvIns)
3920	{
3921	PDRVMAINDISPLAY pData = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3922	LogFlowFunc (("iInstance=%d\n", pDrvIns->iInstance));
3923	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
3924
3925	if (pData->pDisplay)
3926	{
3927	AutoWriteLock displayLock(pData->pDisplay COMMA_LOCKVAL_SRC_POS);
3928	#ifdef VBOX_WITH_CRHGSMI
3929	pData->pDisplay->destructCrHgsmiData();
3930	#endif
3931	pData->pDisplay->mpDrv = NULL;
3932	pData->pDisplay->mpVMMDev = NULL;
3933	pData->pDisplay->mLastAddress = NULL;
3934	pData->pDisplay->mLastBytesPerLine = 0;
3935	pData->pDisplay->mLastBitsPerPixel = 0,
3936	pData->pDisplay->mLastWidth = 0;
3937	pData->pDisplay->mLastHeight = 0;
3938	}
3939	}
3940
3941
3942	/**
3943	* Construct a display driver instance.
3944	*
3945	* @copydoc FNPDMDRVCONSTRUCT
3946	*/
3947	DECLCALLBACK(int) Display::drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
3948	{
3949	PDRVMAINDISPLAY pData = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3950	LogFlowFunc (("iInstance=%d\n", pDrvIns->iInstance));
3951	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
3952
3953	/*
3954	* Validate configuration.
3955	*/
3956	if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
3957	return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
3958	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
3959	("Configuration error: Not possible to attach anything to this driver!\n"),
3960	VERR_PDM_DRVINS_NO_ATTACH);
3961
3962	/*
3963	* Init Interfaces.
3964	*/
3965	pDrvIns->IBase.pfnQueryInterface = Display::drvQueryInterface;
3966
3967	pData->IConnector.pfnResize = Display::displayResizeCallback;
3968	pData->IConnector.pfnUpdateRect = Display::displayUpdateCallback;
3969	pData->IConnector.pfnRefresh = Display::displayRefreshCallback;
3970	pData->IConnector.pfnReset = Display::displayResetCallback;
3971	pData->IConnector.pfnLFBModeChange = Display::displayLFBModeChangeCallback;
3972	pData->IConnector.pfnProcessAdapterData = Display::displayProcessAdapterDataCallback;
3973	pData->IConnector.pfnProcessDisplayData = Display::displayProcessDisplayDataCallback;
3974	#ifdef VBOX_WITH_VIDEOHWACCEL
3975	pData->IConnector.pfnVHWACommandProcess = Display::displayVHWACommandProcess;
3976	#endif
3977	#ifdef VBOX_WITH_CRHGSMI
3978	pData->IConnector.pfnCrHgsmiCommandProcess = Display::displayCrHgsmiCommandProcess;
3979	pData->IConnector.pfnCrHgsmiControlProcess = Display::displayCrHgsmiControlProcess;
3980	#endif
3981	#ifdef VBOX_WITH_HGSMI
3982	pData->IConnector.pfnVBVAEnable = Display::displayVBVAEnable;
3983	pData->IConnector.pfnVBVADisable = Display::displayVBVADisable;
3984	pData->IConnector.pfnVBVAUpdateBegin = Display::displayVBVAUpdateBegin;
3985	pData->IConnector.pfnVBVAUpdateProcess = Display::displayVBVAUpdateProcess;
3986	pData->IConnector.pfnVBVAUpdateEnd = Display::displayVBVAUpdateEnd;
3987	pData->IConnector.pfnVBVAResize = Display::displayVBVAResize;
3988	pData->IConnector.pfnVBVAMousePointerShape = Display::displayVBVAMousePointerShape;
3989	#endif
3990
3991
3992	/*
3993	* Get the IDisplayPort interface of the above driver/device.
3994	*/
3995	pData->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYPORT);
3996	if (!pData->pUpPort)
3997	{
3998	AssertMsgFailed(("Configuration error: No display port interface above!\n"));
3999	return VERR_PDM_MISSING_INTERFACE_ABOVE;
4000	}
4001	#if defined(VBOX_WITH_VIDEOHWACCEL) \|\| defined(VBOX_WITH_CRHGSMI)
4002	pData->pVBVACallbacks = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYVBVACALLBACKS);
4003	if (!pData->pVBVACallbacks)
4004	{
4005	AssertMsgFailed(("Configuration error: No VBVA callback interface above!\n"));
4006	return VERR_PDM_MISSING_INTERFACE_ABOVE;
4007	}
4008	#endif
4009	/*
4010	* Get the Display object pointer and update the mpDrv member.
4011	*/
4012	void *pv;
4013	int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
4014	if (RT_FAILURE(rc))
4015	{
4016	AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
4017	return rc;
4018	}
4019	pData->pDisplay = (Display )pv; /* @todo Check this cast! */
4020	pData->pDisplay->mpDrv = pData;
4021
4022	/*
4023	* Update our display information according to the framebuffer
4024	*/
4025	pData->pDisplay->updateDisplayData();
4026
4027	/*
4028	* Start periodic screen refreshes
4029	*/
4030	pData->pUpPort->pfnSetRefreshRate(pData->pUpPort, 20);
4031
4032	#ifdef VBOX_WITH_CRHGSMI
4033	pData->pDisplay->setupCrHgsmiData();
4034	#endif
4035
4036	return VINF_SUCCESS;
4037	}
4038
4039
4040	/**
4041	* Display driver registration record.
4042	*/
4043	const PDMDRVREG Display::DrvReg =
4044	{
4045	/* u32Version */
4046	PDM_DRVREG_VERSION,
4047	/* szName */
4048	"MainDisplay",
4049	/* szRCMod */
4050	"",
4051	/* szR0Mod */
4052	"",
4053	/* pszDescription */
4054	"Main display driver (Main as in the API).",
4055	/* fFlags */
4056	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
4057	/* fClass. */
4058	PDM_DRVREG_CLASS_DISPLAY,
4059	/* cMaxInstances */
4060	~0,
4061	/* cbInstance */
4062	sizeof(DRVMAINDISPLAY),
4063	/* pfnConstruct */
4064	Display::drvConstruct,
4065	/* pfnDestruct */
4066	Display::drvDestruct,
4067	/* pfnRelocate */
4068	NULL,
4069	/* pfnIOCtl */
4070	NULL,
4071	/* pfnPowerOn */
4072	NULL,
4073	/* pfnReset */
4074	NULL,
4075	/* pfnSuspend */
4076	NULL,
4077	/* pfnResume */
4078	NULL,
4079	/* pfnAttach */
4080	NULL,
4081	/* pfnDetach */
4082	NULL,
4083	/* pfnPowerOff */
4084	NULL,
4085	/* pfnSoftReset */
4086	NULL,
4087	/* u32EndVersion */
4088	PDM_DRVREG_VERSION
4089	};
4090	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/DisplayImpl.cpp@ 34645

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