DisplayImpl.cpp@ 86223

Last change on this file since 86223 was 85368, checked in by vboxsync, 4 years ago
Devices/Graphics,Main,include: Experimental graphics output. bugref:9695
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1	/* $Id: DisplayImpl.cpp 85368 2020-07-17 09:55:56Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2020 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18	#define LOG_GROUP LOG_GROUP_MAIN_DISPLAY
19	#include "LoggingNew.h"
20
21	#include "DisplayImpl.h"
22	#include "DisplayUtils.h"
23	#include "ConsoleImpl.h"
24	#include "ConsoleVRDPServer.h"
25	#include "GuestImpl.h"
26	#include "VMMDev.h"
27
28	#include "AutoCaller.h"
29
30	/* generated header */
31	#include "VBoxEvents.h"
32
33	#include <iprt/semaphore.h>
34	#include <iprt/thread.h>
35	#include <iprt/asm.h>
36	#include <iprt/time.h>
37	#include <iprt/cpp/utils.h>
38	#include <iprt/alloca.h>
39
40	#include <VBox/vmm/pdmdrv.h>
41
42	#ifdef VBOX_WITH_VIDEOHWACCEL
43	# include <VBoxVideo.h>
44	#endif
45	#include <VBoxVideo3D.h>
46
47	#include <VBox/com/array.h>
48
49	#ifdef VBOX_WITH_RECORDING
50	# include <iprt/path.h>
51	# include "Recording.h"
52
53	# ifdef VBOX_WITH_LIBVPX
54	# ifdef _MSC_VER
55	# pragma warning(push)
56	# pragma warning(disable: 4668) /* vpx_codec.h(64) : warning C4668: '__GNUC__' is not defined as a preprocessor macro, replacing with '0' for '#if/#elif' */
57	# include <vpx/vpx_encoder.h>
58	# pragma warning(pop)
59	# else
60	# include <vpx/vpx_encoder.h>
61	# endif
62	# endif
63
64	# include <VBox/vmm/pdmapi.h>
65	# include <VBox/vmm/pdmaudioifs.h>
66	#endif
67
68	/**
69	* Display driver instance data.
70	*
71	* @implements PDMIDISPLAYCONNECTOR
72	*/
73	typedef struct DRVMAINDISPLAY
74	{
75	/** Pointer to the display object. */
76	Display *pDisplay;
77	/** Pointer to the driver instance structure. */
78	PPDMDRVINS pDrvIns;
79	/** Pointer to the display port interface of the driver/device above us. */
80	PPDMIDISPLAYPORT pUpPort;
81	/** Our display connector interface. */
82	PDMIDISPLAYCONNECTOR IConnector;
83	#if defined(VBOX_WITH_VIDEOHWACCEL)
84	/** VBVA callbacks */
85	PPDMIDISPLAYVBVACALLBACKS pVBVACallbacks;
86	#endif
87	} DRVMAINDISPLAY, *PDRVMAINDISPLAY;
88
89	/** Converts PDMIDISPLAYCONNECTOR pointer to a DRVMAINDISPLAY pointer. */
90	#define PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface) RT_FROM_MEMBER(pInterface, DRVMAINDISPLAY, IConnector)
91
92	// constructor / destructor
93	/////////////////////////////////////////////////////////////////////////////
94
95	Display::Display()
96	: mParent(NULL)
97	{
98	}
99
100	Display::~Display()
101	{
102	}
103
104
105	HRESULT Display::FinalConstruct()
106	{
107	int rc = videoAccelConstruct(&mVideoAccelLegacy);
108	AssertRC(rc);
109
110	mfVideoAccelVRDP = false;
111	mfu32SupportedOrders = 0;
112	mcVRDPRefs = 0;
113
114	mfSeamlessEnabled = false;
115	mpRectVisibleRegion = NULL;
116	mcRectVisibleRegion = 0;
117
118	mpDrv = NULL;
119
120	rc = RTCritSectInit(&mVideoAccelLock);
121	AssertRC(rc);
122
123	#ifdef VBOX_WITH_HGSMI
124	mu32UpdateVBVAFlags = 0;
125	mfVMMDevSupportsGraphics = false;
126	mfGuestVBVACapabilities = 0;
127	mfHostCursorCapabilities = 0;
128	#endif
129
130	#ifdef VBOX_WITH_RECORDING
131	rc = RTCritSectInit(&mVideoRecLock);
132	AssertRC(rc);
133
134	for (unsigned i = 0; i < RT_ELEMENTS(maRecordingEnabled); i++)
135	maRecordingEnabled[i] = true;
136	#endif
137
138	return BaseFinalConstruct();
139	}
140
141	void Display::FinalRelease()
142	{
143	uninit();
144
145	#ifdef VBOX_WITH_RECORDING
146	if (RTCritSectIsInitialized(&mVideoRecLock))
147	{
148	RTCritSectDelete(&mVideoRecLock);
149	RT_ZERO(mVideoRecLock);
150	}
151	#endif
152
153	videoAccelDestroy(&mVideoAccelLegacy);
154	i_saveVisibleRegion(0, NULL);
155
156	if (RTCritSectIsInitialized(&mVideoAccelLock))
157	{
158	RTCritSectDelete(&mVideoAccelLock);
159	RT_ZERO(mVideoAccelLock);
160	}
161
162	BaseFinalRelease();
163	}
164
165	// public initializer/uninitializer for internal purposes only
166	/////////////////////////////////////////////////////////////////////////////
167
168	#define kMaxSizeThumbnail 64
169
170	/**
171	* Save thumbnail and screenshot of the guest screen.
172	*/
173	static int displayMakeThumbnail(uint8_t *pbData, uint32_t cx, uint32_t cy,
174	uint8_t *ppu8Thumbnail, uint32_t pcbThumbnail, uint32_t pcxThumbnail, uint32_t pcyThumbnail)
175	{
176	int rc = VINF_SUCCESS;
177
178	uint8_t *pu8Thumbnail = NULL;
179	uint32_t cbThumbnail = 0;
180	uint32_t cxThumbnail = 0;
181	uint32_t cyThumbnail = 0;
182
183	if (cx > cy)
184	{
185	cxThumbnail = kMaxSizeThumbnail;
186	cyThumbnail = (kMaxSizeThumbnail * cy) / cx;
187	}
188	else
189	{
190	cyThumbnail = kMaxSizeThumbnail;
191	cxThumbnail = (kMaxSizeThumbnail * cx) / cy;
192	}
193
194	LogRelFlowFunc(("%dx%d -> %dx%d\n", cx, cy, cxThumbnail, cyThumbnail));
195
196	cbThumbnail = cxThumbnail * 4 * cyThumbnail;
197	pu8Thumbnail = (uint8_t *)RTMemAlloc(cbThumbnail);
198
199	if (pu8Thumbnail)
200	{
201	uint8_t *dst = pu8Thumbnail;
202	uint8_t *src = pbData;
203	int dstW = cxThumbnail;
204	int dstH = cyThumbnail;
205	int srcW = cx;
206	int srcH = cy;
207	int iDeltaLine = cx * 4;
208
209	BitmapScale32(dst,
210	dstW, dstH,
211	src,
212	iDeltaLine,
213	srcW, srcH);
214
215	*ppu8Thumbnail = pu8Thumbnail;
216	*pcbThumbnail = cbThumbnail;
217	*pcxThumbnail = cxThumbnail;
218	*pcyThumbnail = cyThumbnail;
219	}
220	else
221	{
222	rc = VERR_NO_MEMORY;
223	}
224
225	return rc;
226	}
227
228	DECLCALLBACK(void) Display::i_displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser)
229	{
230	Display that = static_cast<Display>(pvUser);
231
232	/* 32bpp small RGB image. */
233	uint8_t *pu8Thumbnail = NULL;
234	uint32_t cbThumbnail = 0;
235	uint32_t cxThumbnail = 0;
236	uint32_t cyThumbnail = 0;
237
238	/* PNG screenshot. */
239	uint8_t *pu8PNG = NULL;
240	uint32_t cbPNG = 0;
241	uint32_t cxPNG = 0;
242	uint32_t cyPNG = 0;
243
244	Console::SafeVMPtr ptrVM(that->mParent);
245	if (ptrVM.isOk())
246	{
247	/* Query RGB bitmap. */
248	/* SSM code is executed on EMT(0), therefore no need to use VMR3ReqCallWait. */
249	uint8_t *pbData = NULL;
250	size_t cbData = 0;
251	uint32_t cx = 0;
252	uint32_t cy = 0;
253	bool fFreeMem = false;
254	int rc = Display::i_displayTakeScreenshotEMT(that, VBOX_VIDEO_PRIMARY_SCREEN, &pbData, &cbData, &cx, &cy, &fFreeMem);
255
256	/*
257	* It is possible that success is returned but everything is 0 or NULL.
258	* (no display attached if a VM is running with VBoxHeadless on OSE for example)
259	*/
260	if (RT_SUCCESS(rc) && pbData)
261	{
262	Assert(cx && cy);
263
264	/* Prepare a small thumbnail and a PNG screenshot. */
265	displayMakeThumbnail(pbData, cx, cy, &pu8Thumbnail, &cbThumbnail, &cxThumbnail, &cyThumbnail);
266	rc = DisplayMakePNG(pbData, cx, cy, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 1);
267	if (RT_FAILURE(rc))
268	{
269	if (pu8PNG)
270	{
271	RTMemFree(pu8PNG);
272	pu8PNG = NULL;
273	}
274	cbPNG = 0;
275	cxPNG = 0;
276	cyPNG = 0;
277	}
278
279	if (fFreeMem)
280	RTMemFree(pbData);
281	else
282	that->mpDrv->pUpPort->pfnFreeScreenshot(that->mpDrv->pUpPort, pbData);
283	}
284	}
285	else
286	{
287	LogFunc(("Failed to get VM pointer 0x%x\n", ptrVM.rc()));
288	}
289
290	/* Regardless of rc, save what is available:
291	* Data format:
292	* uint32_t cBlocks;
293	* [blocks]
294	*
295	* Each block is:
296	* uint32_t cbBlock; if 0 - no 'block data'.
297	* uint32_t typeOfBlock; 0 - 32bpp RGB bitmap, 1 - PNG, ignored if 'cbBlock' is 0.
298	* [block data]
299	*
300	* Block data for bitmap and PNG:
301	* uint32_t cx;
302	* uint32_t cy;
303	* [image data]
304	*/
305	SSMR3PutU32(pSSM, 2); /* Write thumbnail and PNG screenshot. */
306
307	/* First block. */
308	SSMR3PutU32(pSSM, (uint32_t)(cbThumbnail + 2 * sizeof(uint32_t)));
309	SSMR3PutU32(pSSM, 0); /* Block type: thumbnail. */
310
311	if (cbThumbnail)
312	{
313	SSMR3PutU32(pSSM, cxThumbnail);
314	SSMR3PutU32(pSSM, cyThumbnail);
315	SSMR3PutMem(pSSM, pu8Thumbnail, cbThumbnail);
316	}
317
318	/* Second block. */
319	SSMR3PutU32(pSSM, (uint32_t)(cbPNG + 2 * sizeof(uint32_t)));
320	SSMR3PutU32(pSSM, 1); /* Block type: png. */
321
322	if (cbPNG)
323	{
324	SSMR3PutU32(pSSM, cxPNG);
325	SSMR3PutU32(pSSM, cyPNG);
326	SSMR3PutMem(pSSM, pu8PNG, cbPNG);
327	}
328
329	RTMemFree(pu8PNG);
330	RTMemFree(pu8Thumbnail);
331	}
332
333	DECLCALLBACK(int)
334	Display::i_displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
335	{
336	RT_NOREF(pvUser);
337	if (uVersion != sSSMDisplayScreenshotVer)
338	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
339	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
340
341	/* Skip data. */
342	uint32_t cBlocks;
343	int rc = SSMR3GetU32(pSSM, &cBlocks);
344	AssertRCReturn(rc, rc);
345
346	for (uint32_t i = 0; i < cBlocks; i++)
347	{
348	uint32_t cbBlock;
349	rc = SSMR3GetU32(pSSM, &cbBlock);
350	AssertRCBreak(rc);
351
352	uint32_t typeOfBlock;
353	rc = SSMR3GetU32(pSSM, &typeOfBlock);
354	AssertRCBreak(rc);
355
356	LogRelFlowFunc(("[%d] type %d, size %d bytes\n", i, typeOfBlock, cbBlock));
357
358	/* Note: displaySSMSaveScreenshot writes size of a block = 8 and
359	* do not write any data if the image size was 0.
360	* @todo Fix and increase saved state version.
361	*/
362	if (cbBlock > 2 * sizeof(uint32_t))
363	{
364	rc = SSMR3Skip(pSSM, cbBlock);
365	AssertRCBreak(rc);
366	}
367	}
368
369	return rc;
370	}
371
372	/**
373	* Save/Load some important guest state
374	*/
375	DECLCALLBACK(void)
376	Display::i_displaySSMSave(PSSMHANDLE pSSM, void *pvUser)
377	{
378	Display that = static_cast<Display>(pvUser);
379
380	SSMR3PutU32(pSSM, that->mcMonitors);
381	for (unsigned i = 0; i < that->mcMonitors; i++)
382	{
383	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32Offset);
384	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32MaxFramebufferSize);
385	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32InformationSize);
386	SSMR3PutU32(pSSM, that->maFramebuffers[i].w);
387	SSMR3PutU32(pSSM, that->maFramebuffers[i].h);
388	SSMR3PutS32(pSSM, that->maFramebuffers[i].xOrigin);
389	SSMR3PutS32(pSSM, that->maFramebuffers[i].yOrigin);
390	SSMR3PutU32(pSSM, that->maFramebuffers[i].flags);
391	}
392	SSMR3PutS32(pSSM, that->xInputMappingOrigin);
393	SSMR3PutS32(pSSM, that->yInputMappingOrigin);
394	SSMR3PutU32(pSSM, that->cxInputMapping);
395	SSMR3PutU32(pSSM, that->cyInputMapping);
396	SSMR3PutU32(pSSM, that->mfGuestVBVACapabilities);
397	SSMR3PutU32(pSSM, that->mfHostCursorCapabilities);
398	}
399
400	DECLCALLBACK(int)
401	Display::i_displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
402	{
403	Display that = static_cast<Display>(pvUser);
404
405	if ( uVersion != sSSMDisplayVer
406	&& uVersion != sSSMDisplayVer2
407	&& uVersion != sSSMDisplayVer3
408	&& uVersion != sSSMDisplayVer4
409	&& uVersion != sSSMDisplayVer5)
410	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
411	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
412
413	uint32_t cMonitors;
414	int rc = SSMR3GetU32(pSSM, &cMonitors);
415	AssertRCReturn(rc, rc);
416	if (cMonitors != that->mcMonitors)
417	return SSMR3SetCfgError(pSSM, RT_SRC_POS, N_("Number of monitors changed (%d->%d)!"), cMonitors, that->mcMonitors);
418
419	for (uint32_t i = 0; i < cMonitors; i++)
420	{
421	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32Offset);
422	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32MaxFramebufferSize);
423	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32InformationSize);
424	if ( uVersion == sSSMDisplayVer2
425	\|\| uVersion == sSSMDisplayVer3
426	\|\| uVersion == sSSMDisplayVer4
427	\|\| uVersion == sSSMDisplayVer5)
428	{
429	uint32_t w;
430	uint32_t h;
431	SSMR3GetU32(pSSM, &w);
432	SSMR3GetU32(pSSM, &h);
433	that->maFramebuffers[i].w = w;
434	that->maFramebuffers[i].h = h;
435	}
436	if ( uVersion == sSSMDisplayVer3
437	\|\| uVersion == sSSMDisplayVer4
438	\|\| uVersion == sSSMDisplayVer5)
439	{
440	int32_t xOrigin;
441	int32_t yOrigin;
442	uint32_t flags;
443	SSMR3GetS32(pSSM, &xOrigin);
444	SSMR3GetS32(pSSM, &yOrigin);
445	SSMR3GetU32(pSSM, &flags);
446	that->maFramebuffers[i].xOrigin = xOrigin;
447	that->maFramebuffers[i].yOrigin = yOrigin;
448	that->maFramebuffers[i].flags = (uint16_t)flags;
449	that->maFramebuffers[i].fDisabled = (that->maFramebuffers[i].flags & VBVA_SCREEN_F_DISABLED) != 0;
450	}
451	}
452	if ( uVersion == sSSMDisplayVer4
453	\|\| uVersion == sSSMDisplayVer5)
454	{
455	SSMR3GetS32(pSSM, &that->xInputMappingOrigin);
456	SSMR3GetS32(pSSM, &that->yInputMappingOrigin);
457	SSMR3GetU32(pSSM, &that->cxInputMapping);
458	SSMR3GetU32(pSSM, &that->cyInputMapping);
459	}
460	if (uVersion == sSSMDisplayVer5)
461	{
462	SSMR3GetU32(pSSM, &that->mfGuestVBVACapabilities);
463	SSMR3GetU32(pSSM, &that->mfHostCursorCapabilities);
464	}
465
466	return VINF_SUCCESS;
467	}
468
469	/**
470	* Initializes the display object.
471	*
472	* @returns COM result indicator
473	* @param aParent handle of our parent object
474	*/
475	HRESULT Display::init(Console *aParent)
476	{
477	ComAssertRet(aParent, E_INVALIDARG);
478	/* Enclose the state transition NotReady->InInit->Ready */
479	AutoInitSpan autoInitSpan(this);
480	AssertReturn(autoInitSpan.isOk(), E_FAIL);
481
482	unconst(mParent) = aParent;
483
484	mfSourceBitmapEnabled = true;
485	fVGAResizing = false;
486
487	ComPtr<IGraphicsAdapter> pGraphicsAdapter;
488	HRESULT hrc = mParent->i_machine()->COMGETTER(GraphicsAdapter)(pGraphicsAdapter.asOutParam());
489	AssertComRCReturnRC(hrc);
490	AssertReturn(!pGraphicsAdapter.isNull(), E_FAIL);
491
492	ULONG ul;
493	pGraphicsAdapter->COMGETTER(MonitorCount)(&ul);
494	mcMonitors = ul;
495	xInputMappingOrigin = 0;
496	yInputMappingOrigin = 0;
497	cxInputMapping = 0;
498	cyInputMapping = 0;
499
500	for (ul = 0; ul < mcMonitors; ul++)
501	{
502	maFramebuffers[ul].u32Offset = 0;
503	maFramebuffers[ul].u32MaxFramebufferSize = 0;
504	maFramebuffers[ul].u32InformationSize = 0;
505
506	maFramebuffers[ul].pFramebuffer = NULL;
507	/* All secondary monitors are disabled at startup. */
508	maFramebuffers[ul].fDisabled = ul > 0;
509
510	maFramebuffers[ul].u32Caps = 0;
511
512	maFramebuffers[ul].updateImage.pu8Address = NULL;
513	maFramebuffers[ul].updateImage.cbLine = 0;
514
515	maFramebuffers[ul].xOrigin = 0;
516	maFramebuffers[ul].yOrigin = 0;
517
518	maFramebuffers[ul].w = 0;
519	maFramebuffers[ul].h = 0;
520
521	maFramebuffers[ul].flags = maFramebuffers[ul].fDisabled? VBVA_SCREEN_F_DISABLED: 0;
522
523	maFramebuffers[ul].u16BitsPerPixel = 0;
524	maFramebuffers[ul].pu8FramebufferVRAM = NULL;
525	maFramebuffers[ul].u32LineSize = 0;
526
527	maFramebuffers[ul].pHostEvents = NULL;
528
529	maFramebuffers[ul].fDefaultFormat = false;
530
531	#ifdef VBOX_WITH_HGSMI
532	maFramebuffers[ul].fVBVAEnabled = false;
533	maFramebuffers[ul].fVBVAForceResize = false;
534	maFramebuffers[ul].pVBVAHostFlags = NULL;
535	#endif /* VBOX_WITH_HGSMI */
536	}
537
538	{
539	// register listener for state change events
540	ComPtr<IEventSource> es;
541	mParent->COMGETTER(EventSource)(es.asOutParam());
542	com::SafeArray<VBoxEventType_T> eventTypes;
543	eventTypes.push_back(VBoxEventType_OnStateChanged);
544	es->RegisterListener(this, ComSafeArrayAsInParam(eventTypes), true);
545	}
546
547	/* Confirm a successful initialization */
548	autoInitSpan.setSucceeded();
549
550	return S_OK;
551	}
552
553	/**
554	* Uninitializes the instance and sets the ready flag to FALSE.
555	* Called either from FinalRelease() or by the parent when it gets destroyed.
556	*/
557	void Display::uninit()
558	{
559	LogRelFlowFunc(("this=%p\n", this));
560
561	/* Enclose the state transition Ready->InUninit->NotReady */
562	AutoUninitSpan autoUninitSpan(this);
563	if (autoUninitSpan.uninitDone())
564	return;
565
566	unsigned uScreenId;
567	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
568	{
569	maFramebuffers[uScreenId].pSourceBitmap.setNull();
570	maFramebuffers[uScreenId].updateImage.pSourceBitmap.setNull();
571	maFramebuffers[uScreenId].updateImage.pu8Address = NULL;
572	maFramebuffers[uScreenId].updateImage.cbLine = 0;
573	maFramebuffers[uScreenId].pFramebuffer.setNull();
574	#ifdef VBOX_WITH_RECORDING
575	maFramebuffers[uScreenId].Recording.pSourceBitmap.setNull();
576	#endif
577	}
578
579	if (mParent)
580	{
581	ComPtr<IEventSource> es;
582	mParent->COMGETTER(EventSource)(es.asOutParam());
583	es->UnregisterListener(this);
584	}
585
586	unconst(mParent) = NULL;
587
588	if (mpDrv)
589	mpDrv->pDisplay = NULL;
590
591	mpDrv = NULL;
592	}
593
594	/**
595	* Register the SSM methods. Called by the power up thread to be able to
596	* pass pVM
597	*/
598	int Display::i_registerSSM(PUVM pUVM)
599	{
600	/* Version 2 adds width and height of the framebuffer; version 3 adds
601	* the framebuffer offset in the virtual desktop and the framebuffer flags;
602	* version 4 adds guest to host input event mapping and version 5 adds
603	* guest VBVA and host cursor capabilities.
604	*/
605	int rc = SSMR3RegisterExternal(pUVM, "DisplayData", 0, sSSMDisplayVer5,
606	mcMonitors * sizeof(uint32_t) * 8 + sizeof(uint32_t),
607	NULL, NULL, NULL,
608	NULL, i_displaySSMSave, NULL,
609	NULL, i_displaySSMLoad, NULL, this);
610	AssertRCReturn(rc, rc);
611
612	/*
613	* Register loaders for old saved states where iInstance was
614	* 3 * sizeof(uint32_t *) due to a code mistake.
615	*/
616	rc = SSMR3RegisterExternal(pUVM, "DisplayData", 12 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
617	NULL, NULL, NULL,
618	NULL, NULL, NULL,
619	NULL, i_displaySSMLoad, NULL, this);
620	AssertRCReturn(rc, rc);
621
622	rc = SSMR3RegisterExternal(pUVM, "DisplayData", 24 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
623	NULL, NULL, NULL,
624	NULL, NULL, NULL,
625	NULL, i_displaySSMLoad, NULL, this);
626	AssertRCReturn(rc, rc);
627
628	/* uInstance is an arbitrary value greater than 1024. Such a value will ensure a quick seek in saved state file. */
629	rc = SSMR3RegisterExternal(pUVM, "DisplayScreenshot", 1100 /uInstance/, sSSMDisplayScreenshotVer, 0 /cbGuess/,
630	NULL, NULL, NULL,
631	NULL, i_displaySSMSaveScreenshot, NULL,
632	NULL, i_displaySSMLoadScreenshot, NULL, this);
633
634	AssertRCReturn(rc, rc);
635
636	return VINF_SUCCESS;
637	}
638
639	// public methods only for internal purposes
640	/////////////////////////////////////////////////////////////////////////////
641
642	/**
643	* Handles display resize event.
644	*
645	* @param uScreenId Screen ID
646	* @param bpp New bits per pixel.
647	* @param pvVRAM VRAM pointer.
648	* @param cbLine New bytes per line.
649	* @param w New display width.
650	* @param h New display height.
651	* @param flags Flags of the new video mode.
652	* @param xOrigin New display origin X.
653	* @param yOrigin New display origin Y.
654	* @param fVGAResize Whether the resize is originated from the VGA device (DevVGA).
655	*/
656	int Display::i_handleDisplayResize(unsigned uScreenId, uint32_t bpp, void *pvVRAM,
657	uint32_t cbLine, uint32_t w, uint32_t h, uint16_t flags,
658	int32_t xOrigin, int32_t yOrigin, bool fVGAResize)
659	{
660	LogRel2(("Display::i_handleDisplayResize: uScreenId=%d pvVRAM=%p w=%d h=%d bpp=%d cbLine=0x%X flags=0x%X\n", uScreenId,
661	pvVRAM, w, h, bpp, cbLine, flags));
662
663	/* Caller must not hold the object lock. */
664	AssertReturn(!isWriteLockOnCurrentThread(), VERR_INVALID_STATE);
665
666	/* Note: the old code checked if the video mode was actually changed and
667	* did not invalidate the source bitmap if the mode did not change.
668	* The new code always invalidates the source bitmap, i.e. it will
669	* notify the frontend even if nothing actually changed.
670	*
671	* Implementing the filtering is possible but might lead to pfnSetRenderVRAM races
672	* between this method and QuerySourceBitmap. Such races can be avoided by implementing
673	* the @todo below.
674	*/
675
676	/* Make sure that the VGA device does not access the source bitmap. */
677	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && mpDrv)
678	{
679	/// @todo It is probably more convenient to implement
680	// mpDrv->pUpPort->pfnSetOutputBitmap(pvVRAM, cbScanline, cBits, cx, cy, bool fSet);
681	// and remove IConnector.pbData, cbScanline, cBits, cx, cy.
682	// fSet = false disables rendering and VGA can check
683	// if it is already rendering to a different bitmap, avoiding
684	// enable/disable rendering races.
685	mpDrv->pUpPort->pfnSetRenderVRAM(mpDrv->pUpPort, false);
686
687	mpDrv->IConnector.pbData = NULL;
688	mpDrv->IConnector.cbScanline = 0;
689	mpDrv->IConnector.cBits = 32; /* DevVGA does not work with cBits == 0. */
690	mpDrv->IConnector.cx = 0;
691	mpDrv->IConnector.cy = 0;
692	}
693
694	/* Update maFramebuffers[uScreenId] under lock. */
695	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
696
697	if (uScreenId >= mcMonitors)
698	{
699	LogRel(("Display::i_handleDisplayResize: mcMonitors=%u < uScreenId=%u (pvVRAM=%p w=%u h=%u bpp=%d cbLine=0x%X flags=0x%X)\n",
700	mcMonitors, uScreenId, pvVRAM, w, h, bpp, cbLine, flags));
701	return VINF_SUCCESS;
702	}
703
704	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
705
706	/* Whether the monitor position has changed.
707	* A resize initiated by the VGA device does not change the monitor position.
708	*/
709	const bool fNewOrigin = !fVGAResize
710	&& ( pFBInfo->xOrigin != xOrigin
711	\|\| pFBInfo->yOrigin != yOrigin);
712
713	/* The event for disabled->enabled transition.
714	* VGA resizes also come when the guest uses VBVA mode. They do not affect pFBInfo->fDisabled.
715	* The primary screen is re-enabled when the guest leaves the VBVA mode in i_displayVBVADisable.
716	*/
717	const bool fGuestMonitorChangedEvent = !fVGAResize
718	&& (pFBInfo->fDisabled != RT_BOOL(flags & VBVA_SCREEN_F_DISABLED));
719
720	/* Reset the update mode. */
721	pFBInfo->updateImage.pSourceBitmap.setNull();
722	pFBInfo->updateImage.pu8Address = NULL;
723	pFBInfo->updateImage.cbLine = 0;
724
725	/* Release the current source bitmap. */
726	pFBInfo->pSourceBitmap.setNull();
727
728	/* VGA blanking is signaled as w=0, h=0, bpp=0 and cbLine=0, and it's
729	* best to keep the old resolution, as otherwise the window size would
730	* change before the new resolution is known. */
731	const bool fVGABlank = fVGAResize && uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
732	&& w == 0 && h == 0 && bpp == 0 && cbLine == 0;
733	if (fVGABlank)
734	{
735	w = pFBInfo->w;
736	h = pFBInfo->h;
737	}
738
739	/* Log changes. */
740	if ( pFBInfo->w != w
741	\|\| pFBInfo->h != h
742	\|\| pFBInfo->u32LineSize != cbLine
743	/\|\| pFBInfo->pu8FramebufferVRAM != (uint8_t )pvVRAM - too noisy */
744	\|\| ( !fVGAResize
745	&& ( pFBInfo->xOrigin != xOrigin
746	\|\| pFBInfo->yOrigin != yOrigin
747	\|\| pFBInfo->flags != flags)))
748	LogRel(("Display::i_handleDisplayResize: uScreenId=%d pvVRAM=%p w=%d h=%d bpp=%d cbLine=0x%X flags=0x%X origin=%d,%d\n",
749	uScreenId, pvVRAM, w, h, bpp, cbLine, flags, xOrigin, yOrigin));
750
751	/* Update the video mode information. */
752	pFBInfo->w = w;
753	pFBInfo->h = h;
754	pFBInfo->u16BitsPerPixel = (uint16_t)bpp;
755	pFBInfo->pu8FramebufferVRAM = (uint8_t *)pvVRAM;
756	pFBInfo->u32LineSize = cbLine;
757	if (!fVGAResize)
758	{
759	/* Fields which are not used in not VBVA modes and not affected by a VGA resize. */
760	pFBInfo->flags = flags;
761	pFBInfo->xOrigin = xOrigin;
762	pFBInfo->yOrigin = yOrigin;
763	pFBInfo->fDisabled = RT_BOOL(flags & VBVA_SCREEN_F_DISABLED);
764	pFBInfo->fVBVAForceResize = false;
765	}
766	else
767	{
768	pFBInfo->flags = VBVA_SCREEN_F_ACTIVE;
769	if (fVGABlank)
770	pFBInfo->flags \|= VBVA_SCREEN_F_BLANK;
771	pFBInfo->fDisabled = false;
772	}
773
774	/* Prepare local vars for the notification code below. */
775	ComPtr<IFramebuffer> pFramebuffer = pFBInfo->pFramebuffer;
776	const bool fDisabled = pFBInfo->fDisabled;
777
778	alock.release();
779
780	if (!pFramebuffer.isNull())
781	{
782	HRESULT hr = pFramebuffer->NotifyChange(uScreenId, 0, 0, w, h); /** @todo origin */
783	LogFunc(("NotifyChange hr %08X\n", hr));
784	NOREF(hr);
785	}
786
787	if (fGuestMonitorChangedEvent)
788	{
789	if (fDisabled)
790	::FireGuestMonitorChangedEvent(mParent->i_getEventSource(),
791	GuestMonitorChangedEventType_Disabled, uScreenId, 0, 0, 0, 0);
792	else
793	::FireGuestMonitorChangedEvent(mParent->i_getEventSource(),
794	GuestMonitorChangedEventType_Enabled, uScreenId, xOrigin, yOrigin, w, h);
795	}
796
797	if (fNewOrigin)
798	::FireGuestMonitorChangedEvent(mParent->i_getEventSource(),
799	GuestMonitorChangedEventType_NewOrigin, uScreenId, xOrigin, yOrigin, 0, 0);
800
801	/* Inform the VRDP server about the change of display parameters. */
802	LogRelFlowFunc(("Calling VRDP\n"));
803	mParent->i_consoleVRDPServer()->SendResize();
804
805	/* And re-send the seamless rectangles if necessary. */
806	if (mfSeamlessEnabled)
807	i_handleSetVisibleRegion(mcRectVisibleRegion, mpRectVisibleRegion);
808
809	#ifdef VBOX_WITH_RECORDING
810	i_recordingScreenChanged(uScreenId);
811	#endif
812
813	LogRelFlowFunc(("[%d]: default format %d\n", uScreenId, pFBInfo->fDefaultFormat));
814
815	return VINF_SUCCESS;
816	}
817
818	static void i_checkCoordBounds(int px, int py, int pw, int ph, int cx, int cy)
819	{
820	/* Correct negative x and y coordinates. */
821	if (*px < 0)
822	{
823	px += pw; /* Compute xRight which is also the new width. */
824
825	pw = (px < 0)? 0: *px;
826
827	*px = 0;
828	}
829
830	if (*py < 0)
831	{
832	py += ph; /* Compute xBottom, which is also the new height. */
833
834	ph = (py < 0)? 0: *py;
835
836	*py = 0;
837	}
838
839	/* Also check if coords are greater than the display resolution. */
840	if (px + pw > cx)
841	{
842	pw = cx > px? cx - *px: 0;
843	}
844
845	if (py + ph > cy)
846	{
847	ph = cy > py? cy - *py: 0;
848	}
849	}
850
851	void Display::i_handleDisplayUpdate(unsigned uScreenId, int x, int y, int w, int h)
852	{
853	/*
854	* Always runs under either VBVA lock or, for HGSMI, DevVGA lock.
855	* Safe to use VBVA vars and take the framebuffer lock.
856	*/
857
858	#ifdef DEBUG_sunlover
859	LogFlowFunc(("[%d] %d,%d %dx%d\n",
860	uScreenId, x, y, w, h));
861	#endif /* DEBUG_sunlover */
862
863	/* No updates for a disabled guest screen. */
864	if (maFramebuffers[uScreenId].fDisabled)
865	return;
866
867	/* No updates for a blank guest screen. */
868	/** @note Disabled for now, as the GUI does not update the picture when we
869	* first blank. */
870	/* if (maFramebuffers[uScreenId].flags & VBVA_SCREEN_F_BLANK)
871	return; */
872
873	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
874	AutoReadLock alockr(this COMMA_LOCKVAL_SRC_POS);
875
876	ComPtr<IFramebuffer> pFramebuffer = pFBInfo->pFramebuffer;
877	ComPtr<IDisplaySourceBitmap> pSourceBitmap = pFBInfo->updateImage.pSourceBitmap;
878
879	alockr.release();
880
881	if (RT_LIKELY(!pFramebuffer.isNull()))
882	{
883	if (RT_LIKELY(!RT_BOOL(pFBInfo->u32Caps & FramebufferCapabilities_UpdateImage)))
884	{
885	i_checkCoordBounds(&x, &y, &w, &h, pFBInfo->w, pFBInfo->h);
886
887	if (w != 0 && h != 0)
888	{
889	pFramebuffer->NotifyUpdate(x, y, w, h);
890	}
891	}
892	else
893	{
894	if (RT_LIKELY(!pSourceBitmap.isNull()))
895	{ /* likely */ }
896	else
897	{
898	/* Create a source bitmap if UpdateImage mode is used. */
899	HRESULT hr = QuerySourceBitmap(uScreenId, pSourceBitmap.asOutParam());
900	if (SUCCEEDED(hr))
901	{
902	BYTE *pAddress = NULL;
903	ULONG ulWidth = 0;
904	ULONG ulHeight = 0;
905	ULONG ulBitsPerPixel = 0;
906	ULONG ulBytesPerLine = 0;
907	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
908
909	hr = pSourceBitmap->QueryBitmapInfo(&pAddress,
910	&ulWidth,
911	&ulHeight,
912	&ulBitsPerPixel,
913	&ulBytesPerLine,
914	&bitmapFormat);
915	if (SUCCEEDED(hr))
916	{
917	AutoWriteLock alockw(this COMMA_LOCKVAL_SRC_POS);
918
919	if (pFBInfo->updateImage.pSourceBitmap.isNull())
920	{
921	pFBInfo->updateImage.pSourceBitmap = pSourceBitmap;
922	pFBInfo->updateImage.pu8Address = pAddress;
923	pFBInfo->updateImage.cbLine = ulBytesPerLine;
924	}
925
926	pSourceBitmap = pFBInfo->updateImage.pSourceBitmap;
927
928	alockw.release();
929	}
930	}
931	}
932
933	if (RT_LIKELY(!pSourceBitmap.isNull()))
934	{
935	BYTE *pbAddress = NULL;
936	ULONG ulWidth = 0;
937	ULONG ulHeight = 0;
938	ULONG ulBitsPerPixel = 0;
939	ULONG ulBytesPerLine = 0;
940	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
941
942	HRESULT hr = pSourceBitmap->QueryBitmapInfo(&pbAddress,
943	&ulWidth,
944	&ulHeight,
945	&ulBitsPerPixel,
946	&ulBytesPerLine,
947	&bitmapFormat);
948	if (SUCCEEDED(hr))
949	{
950	/* Make sure that the requested update is within the source bitmap dimensions. */
951	i_checkCoordBounds(&x, &y, &w, &h, ulWidth, ulHeight);
952
953	if (w != 0 && h != 0)
954	{
955	const size_t cbData = w * h * 4;
956	com::SafeArray<BYTE> image(cbData);
957
958	uint8_t *pu8Dst = image.raw();
959	const uint8_t pu8Src = pbAddress + ulBytesPerLine y + x * 4;
960
961	int i;
962	for (i = y; i < y + h; ++i)
963	{
964	memcpy(pu8Dst, pu8Src, w * 4);
965	pu8Dst += w * 4;
966	pu8Src += ulBytesPerLine;
967	}
968
969	pFramebuffer->NotifyUpdateImage(x, y, w, h, ComSafeArrayAsInParam(image));
970	}
971	}
972	}
973	}
974	}
975
976	#ifndef VBOX_WITH_HGSMI
977	if (!mVideoAccelLegacy.fVideoAccelEnabled)
978	{
979	#else
980	if (!mVideoAccelLegacy.fVideoAccelEnabled && !maFramebuffers[uScreenId].fVBVAEnabled)
981	{
982	#endif /* VBOX_WITH_HGSMI */
983	/* When VBVA is enabled, the VRDP server is informed
984	* either in VideoAccelFlush or displayVBVAUpdateProcess.
985	* Inform the server here only if VBVA is disabled.
986	*/
987	mParent->i_consoleVRDPServer()->SendUpdateBitmap(uScreenId, x, y, w, h);
988	}
989	}
990
991	void Display::i_updateGuestGraphicsFacility(void)
992	{
993	Guest* pGuest = mParent->i_getGuest();
994	AssertPtrReturnVoid(pGuest);
995	/* The following is from GuestImpl.cpp. */
996	/** @todo A nit: The timestamp is wrong on saved state restore. Would be better
997	* to move the graphics and seamless capability -> facility translation to
998	* VMMDev so this could be saved. */
999	RTTIMESPEC TimeSpecTS;
1000	RTTimeNow(&TimeSpecTS);
1001
1002	if ( mfVMMDevSupportsGraphics
1003	\|\| (mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS) != 0)
1004	pGuest->i_setAdditionsStatus(VBoxGuestFacilityType_Graphics,
1005	VBoxGuestFacilityStatus_Active,
1006	0 /fFlags/, &TimeSpecTS);
1007	else
1008	pGuest->i_setAdditionsStatus(VBoxGuestFacilityType_Graphics,
1009	VBoxGuestFacilityStatus_Inactive,
1010	0 /fFlags/, &TimeSpecTS);
1011	}
1012
1013	void Display::i_handleUpdateVMMDevSupportsGraphics(bool fSupportsGraphics)
1014	{
1015	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1016	if (mfVMMDevSupportsGraphics == fSupportsGraphics)
1017	return;
1018	mfVMMDevSupportsGraphics = fSupportsGraphics;
1019	i_updateGuestGraphicsFacility();
1020	/* The VMMDev interface notifies the console. */
1021	}
1022
1023	void Display::i_handleUpdateGuestVBVACapabilities(uint32_t fNewCapabilities)
1024	{
1025	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1026	bool fNotify = (fNewCapabilities & VBVACAPS_VIDEO_MODE_HINTS) != (mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS);
1027
1028	mfGuestVBVACapabilities = fNewCapabilities;
1029	if (!fNotify)
1030	return;
1031	i_updateGuestGraphicsFacility();
1032	/* Tell the console about it */
1033	mParent->i_onAdditionsStateChange();
1034	}
1035
1036	void Display::i_handleUpdateVBVAInputMapping(int32_t xOrigin, int32_t yOrigin, uint32_t cx, uint32_t cy)
1037	{
1038	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1039
1040	xInputMappingOrigin = xOrigin;
1041	yInputMappingOrigin = yOrigin;
1042	cxInputMapping = cx;
1043	cyInputMapping = cy;
1044
1045	/* Re-send the seamless rectangles if necessary. */
1046	if (mfSeamlessEnabled)
1047	i_handleSetVisibleRegion(mcRectVisibleRegion, mpRectVisibleRegion);
1048	}
1049
1050	/**
1051	* Returns the upper left and lower right corners of the virtual framebuffer.
1052	* The lower right is "exclusive" (i.e. first pixel beyond the framebuffer),
1053	* and the origin is (0, 0), not (1, 1) like the GUI returns.
1054	*/
1055	void Display::i_getFramebufferDimensions(int32_t px1, int32_t py1,
1056	int32_t px2, int32_t py2)
1057	{
1058	int32_t x1 = 0, y1 = 0, x2 = 0, y2 = 0;
1059	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1060
1061	AssertPtrReturnVoid(px1);
1062	AssertPtrReturnVoid(py1);
1063	AssertPtrReturnVoid(px2);
1064	AssertPtrReturnVoid(py2);
1065	LogRelFlowFunc(("\n"));
1066
1067	if (!mpDrv)
1068	return;
1069	/* If VBVA is not in use then this flag will not be set and this
1070	* will still work as it should. */
1071	if (!maFramebuffers[0].fDisabled)
1072	{
1073	x1 = (int32_t)maFramebuffers[0].xOrigin;
1074	y1 = (int32_t)maFramebuffers[0].yOrigin;
1075	x2 = (int32_t)maFramebuffers[0].w + (int32_t)maFramebuffers[0].xOrigin;
1076	y2 = (int32_t)maFramebuffers[0].h + (int32_t)maFramebuffers[0].yOrigin;
1077	}
1078	if (cxInputMapping && cyInputMapping)
1079	{
1080	x1 = xInputMappingOrigin;
1081	y1 = yInputMappingOrigin;
1082	x2 = xInputMappingOrigin + cxInputMapping;
1083	y2 = yInputMappingOrigin + cyInputMapping;
1084	}
1085	else
1086	for (unsigned i = 1; i < mcMonitors; ++i)
1087	{
1088	if (!maFramebuffers[i].fDisabled)
1089	{
1090	x1 = RT_MIN(x1, maFramebuffers[i].xOrigin);
1091	y1 = RT_MIN(y1, maFramebuffers[i].yOrigin);
1092	x2 = RT_MAX(x2, maFramebuffers[i].xOrigin + (int32_t)maFramebuffers[i].w);
1093	y2 = RT_MAX(y2, maFramebuffers[i].yOrigin + (int32_t)maFramebuffers[i].h);
1094	}
1095	}
1096	*px1 = x1;
1097	*py1 = y1;
1098	*px2 = x2;
1099	*py2 = y2;
1100	}
1101
1102	/** Updates the device's view of the host cursor handling capabilities.
1103	* Calls into mpDrv->pUpPort. */
1104	void Display::i_UpdateDeviceCursorCapabilities(void)
1105	{
1106	bool fRenderCursor = true;
1107	bool fMoveCursor = mcVRDPRefs == 0;
1108	#ifdef VBOX_WITH_RECORDING
1109	RecordingContext *pCtx = mParent->i_recordingGetContext();
1110
1111	if ( pCtx
1112	&& pCtx->IsStarted()
1113	&& pCtx->IsFeatureEnabled(RecordingFeature_Video))
1114	fRenderCursor = fMoveCursor = false;
1115	else
1116	#endif /* VBOX_WITH_RECORDING */
1117	{
1118	for (unsigned uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1119	{
1120	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1121	if (!(pFBInfo->u32Caps & FramebufferCapabilities_RenderCursor))
1122	fRenderCursor = false;
1123	if (!(pFBInfo->u32Caps & FramebufferCapabilities_MoveCursor))
1124	fMoveCursor = false;
1125	}
1126	}
1127
1128	if (mpDrv)
1129	mpDrv->pUpPort->pfnReportHostCursorCapabilities(mpDrv->pUpPort, fRenderCursor, fMoveCursor);
1130	}
1131
1132	HRESULT Display::i_reportHostCursorCapabilities(uint32_t fCapabilitiesAdded, uint32_t fCapabilitiesRemoved)
1133	{
1134	/* Do we need this to access mParent? I presume that the safe VM pointer
1135	* ensures that mpDrv will remain valid. */
1136	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1137	uint32_t fHostCursorCapabilities = (mfHostCursorCapabilities \| fCapabilitiesAdded)
1138	& ~fCapabilitiesRemoved;
1139
1140	Console::SafeVMPtr ptrVM(mParent);
1141	if (!ptrVM.isOk())
1142	return ptrVM.rc();
1143	if (mfHostCursorCapabilities == fHostCursorCapabilities)
1144	return S_OK;
1145	CHECK_CONSOLE_DRV(mpDrv);
1146	alock.release(); /* Release before calling up for lock order reasons. */
1147	mfHostCursorCapabilities = fHostCursorCapabilities;
1148	i_UpdateDeviceCursorCapabilities();
1149	return S_OK;
1150	}
1151
1152	HRESULT Display::i_reportHostCursorPosition(int32_t x, int32_t y, bool fOutOfRange)
1153	{
1154	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1155	uint32_t xAdj = (uint32_t)RT_MAX(x - xInputMappingOrigin, 0);
1156	uint32_t yAdj = (uint32_t)RT_MAX(y - yInputMappingOrigin, 0);
1157	xAdj = RT_MIN(xAdj, cxInputMapping);
1158	yAdj = RT_MIN(yAdj, cyInputMapping);
1159
1160	Console::SafeVMPtr ptrVM(mParent);
1161	if (!ptrVM.isOk())
1162	return ptrVM.rc();
1163	CHECK_CONSOLE_DRV(mpDrv);
1164	alock.release(); /* Release before calling up for lock order reasons. */
1165	if (fOutOfRange)
1166	mpDrv->pUpPort->pfnReportHostCursorPosition(mpDrv->pUpPort, 0, 0, true);
1167	else
1168	mpDrv->pUpPort->pfnReportHostCursorPosition(mpDrv->pUpPort, xAdj, yAdj, false);
1169	return S_OK;
1170	}
1171
1172	static bool displayIntersectRect(RTRECT *prectResult,
1173	const RTRECT *prect1,
1174	const RTRECT *prect2)
1175	{
1176	/* Initialize result to an empty record. */
1177	memset(prectResult, 0, sizeof(RTRECT));
1178
1179	int xLeftResult = RT_MAX(prect1->xLeft, prect2->xLeft);
1180	int xRightResult = RT_MIN(prect1->xRight, prect2->xRight);
1181
1182	if (xLeftResult < xRightResult)
1183	{
1184	/* There is intersection by X. */
1185
1186	int yTopResult = RT_MAX(prect1->yTop, prect2->yTop);
1187	int yBottomResult = RT_MIN(prect1->yBottom, prect2->yBottom);
1188
1189	if (yTopResult < yBottomResult)
1190	{
1191	/* There is intersection by Y. */
1192
1193	prectResult->xLeft = xLeftResult;
1194	prectResult->yTop = yTopResult;
1195	prectResult->xRight = xRightResult;
1196	prectResult->yBottom = yBottomResult;
1197
1198	return true;
1199	}
1200	}
1201
1202	return false;
1203	}
1204
1205	int Display::i_saveVisibleRegion(uint32_t cRect, PRTRECT pRect)
1206	{
1207	RTRECT *pRectVisibleRegion = NULL;
1208
1209	if (pRect == mpRectVisibleRegion)
1210	return VINF_SUCCESS;
1211	if (cRect != 0)
1212	{
1213	pRectVisibleRegion = (RTRECT )RTMemAlloc(cRect sizeof(RTRECT));
1214	if (!pRectVisibleRegion)
1215	{
1216	return VERR_NO_MEMORY;
1217	}
1218	memcpy(pRectVisibleRegion, pRect, cRect * sizeof(RTRECT));
1219	}
1220	if (mpRectVisibleRegion)
1221	RTMemFree(mpRectVisibleRegion);
1222	mcRectVisibleRegion = cRect;
1223	mpRectVisibleRegion = pRectVisibleRegion;
1224	return VINF_SUCCESS;
1225	}
1226
1227	int Display::i_handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect)
1228	{
1229	RTRECT pVisibleRegion = (RTRECT )RTMemTmpAlloc( RT_MAX(cRect, 1)
1230	* sizeof(RTRECT));
1231	LogRel2(("%s: cRect=%u\n", __PRETTY_FUNCTION__, cRect));
1232	if (!pVisibleRegion)
1233	{
1234	return VERR_NO_TMP_MEMORY;
1235	}
1236	int rc = i_saveVisibleRegion(cRect, pRect);
1237	if (RT_FAILURE(rc))
1238	{
1239	RTMemTmpFree(pVisibleRegion);
1240	return rc;
1241	}
1242
1243	unsigned uScreenId;
1244	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1245	{
1246	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1247
1248	if ( !pFBInfo->pFramebuffer.isNull()
1249	&& RT_BOOL(pFBInfo->u32Caps & FramebufferCapabilities_VisibleRegion))
1250	{
1251	/* Prepare a new array of rectangles which intersect with the framebuffer.
1252	*/
1253	RTRECT rectFramebuffer;
1254	rectFramebuffer.xLeft = pFBInfo->xOrigin - xInputMappingOrigin;
1255	rectFramebuffer.yTop = pFBInfo->yOrigin - yInputMappingOrigin;
1256	rectFramebuffer.xRight = rectFramebuffer.xLeft + pFBInfo->w;
1257	rectFramebuffer.yBottom = rectFramebuffer.yTop + pFBInfo->h;
1258
1259	uint32_t cRectVisibleRegion = 0;
1260
1261	uint32_t i;
1262	for (i = 0; i < cRect; i++)
1263	{
1264	if (displayIntersectRect(&pVisibleRegion[cRectVisibleRegion], &pRect[i], &rectFramebuffer))
1265	{
1266	pVisibleRegion[cRectVisibleRegion].xLeft -= rectFramebuffer.xLeft;
1267	pVisibleRegion[cRectVisibleRegion].yTop -= rectFramebuffer.yTop;
1268	pVisibleRegion[cRectVisibleRegion].xRight -= rectFramebuffer.xLeft;
1269	pVisibleRegion[cRectVisibleRegion].yBottom -= rectFramebuffer.yTop;
1270
1271	cRectVisibleRegion++;
1272	}
1273	}
1274	pFBInfo->pFramebuffer->SetVisibleRegion((BYTE *)pVisibleRegion, cRectVisibleRegion);
1275	}
1276	}
1277
1278	RTMemTmpFree(pVisibleRegion);
1279
1280	return VINF_SUCCESS;
1281	}
1282
1283	int Display::i_handleUpdateMonitorPositions(uint32_t cPositions, PRTPOINT pPosition)
1284	{
1285	AssertMsgReturn(pPosition, ("Empty monitor position array\n"), E_INVALIDARG);
1286	for (unsigned i = 0; i < cPositions; ++i)
1287	LogRel2(("Display::i_handleUpdateMonitorPositions: uScreenId=%d xOrigin=%d yOrigin=%dX\n",
1288	i, pPosition[i].x, pPosition[i].y));
1289
1290	if (mpDrv && mpDrv->pUpPort->pfnReportMonitorPositions)
1291	mpDrv->pUpPort->pfnReportMonitorPositions(mpDrv->pUpPort, cPositions, pPosition);
1292	return VINF_SUCCESS;
1293	}
1294
1295	int Display::i_handleQueryVisibleRegion(uint32_t *pcRects, PRTRECT paRects)
1296	{
1297	/// @todo Currently not used by the guest and is not implemented in
1298	/// framebuffers. Remove?
1299	RT_NOREF(pcRects, paRects);
1300	return VERR_NOT_SUPPORTED;
1301	}
1302
1303	#ifdef VBOX_WITH_HGSMI
1304	static void vbvaSetMemoryFlagsHGSMI(unsigned uScreenId,
1305	uint32_t fu32SupportedOrders,
1306	bool fVideoAccelVRDP,
1307	DISPLAYFBINFO *pFBInfo)
1308	{
1309	LogRelFlowFunc(("HGSMI[%d]: %p\n", uScreenId, pFBInfo->pVBVAHostFlags));
1310
1311	if (pFBInfo->pVBVAHostFlags)
1312	{
1313	uint32_t fu32HostEvents = VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1314
1315	if (pFBInfo->fVBVAEnabled)
1316	{
1317	fu32HostEvents \|= VBVA_F_MODE_ENABLED;
1318
1319	if (fVideoAccelVRDP)
1320	{
1321	fu32HostEvents \|= VBVA_F_MODE_VRDP;
1322	}
1323	}
1324
1325	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32HostEvents, fu32HostEvents);
1326	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32SupportedOrders, fu32SupportedOrders);
1327
1328	LogRelFlowFunc((" fu32HostEvents = 0x%08X, fu32SupportedOrders = 0x%08X\n", fu32HostEvents, fu32SupportedOrders));
1329	}
1330	}
1331
1332	static void vbvaSetMemoryFlagsAllHGSMI(uint32_t fu32SupportedOrders,
1333	bool fVideoAccelVRDP,
1334	DISPLAYFBINFO *paFBInfos,
1335	unsigned cFBInfos)
1336	{
1337	unsigned uScreenId;
1338
1339	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1340	{
1341	vbvaSetMemoryFlagsHGSMI(uScreenId, fu32SupportedOrders, fVideoAccelVRDP, &paFBInfos[uScreenId]);
1342	}
1343	}
1344	#endif /* VBOX_WITH_HGSMI */
1345
1346	int Display::VideoAccelEnableVMMDev(bool fEnable, VBVAMEMORY *pVbvaMemory)
1347	{
1348	LogFlowFunc(("%d %p\n", fEnable, pVbvaMemory));
1349	int rc = videoAccelEnterVMMDev(&mVideoAccelLegacy);
1350	if (RT_SUCCESS(rc))
1351	{
1352	rc = i_VideoAccelEnable(fEnable, pVbvaMemory, mpDrv->pUpPort);
1353	videoAccelLeaveVMMDev(&mVideoAccelLegacy);
1354	}
1355	LogFlowFunc(("leave %Rrc\n", rc));
1356	return rc;
1357	}
1358
1359	int Display::VideoAccelEnableVGA(bool fEnable, VBVAMEMORY *pVbvaMemory)
1360	{
1361	LogFlowFunc(("%d %p\n", fEnable, pVbvaMemory));
1362	int rc = videoAccelEnterVGA(&mVideoAccelLegacy);
1363	if (RT_SUCCESS(rc))
1364	{
1365	rc = i_VideoAccelEnable(fEnable, pVbvaMemory, mpDrv->pUpPort);
1366	videoAccelLeaveVGA(&mVideoAccelLegacy);
1367	}
1368	LogFlowFunc(("leave %Rrc\n", rc));
1369	return rc;
1370	}
1371
1372	void Display::VideoAccelFlushVMMDev(void)
1373	{
1374	LogFlowFunc(("enter\n"));
1375	int rc = videoAccelEnterVMMDev(&mVideoAccelLegacy);
1376	if (RT_SUCCESS(rc))
1377	{
1378	i_VideoAccelFlush(mpDrv->pUpPort);
1379	videoAccelLeaveVMMDev(&mVideoAccelLegacy);
1380	}
1381	LogFlowFunc(("leave\n"));
1382	}
1383
1384	/* Called always by one VRDP server thread. Can be thread-unsafe.
1385	*/
1386	void Display::i_VRDPConnectionEvent(bool fConnect)
1387	{
1388	LogRelFlowFunc(("fConnect = %d\n", fConnect));
1389
1390	int c = fConnect?
1391	ASMAtomicIncS32(&mcVRDPRefs):
1392	ASMAtomicDecS32(&mcVRDPRefs);
1393
1394	i_VideoAccelVRDP(fConnect, c);
1395	i_UpdateDeviceCursorCapabilities();
1396	}
1397
1398
1399	void Display::i_VideoAccelVRDP(bool fEnable, int c)
1400	{
1401	VIDEOACCEL *pVideoAccel = &mVideoAccelLegacy;
1402
1403	Assert (c >= 0);
1404	RT_NOREF(fEnable);
1405
1406	/* This can run concurrently with Display videoaccel state change. */
1407	RTCritSectEnter(&mVideoAccelLock);
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	i_vbvaSetMemoryFlags(pVideoAccel->pVbvaMemory, pVideoAccel->fVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders,
1420	maFramebuffers, mcMonitors);
1421	#ifdef VBOX_WITH_HGSMI
1422	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1423	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1424	#endif /* VBOX_WITH_HGSMI */
1425
1426	LogRel(("VBVA: VRDP acceleration has been disabled.\n"));
1427	}
1428	else if ( c == 1
1429	&& !mfVideoAccelVRDP)
1430	{
1431	/* The first client has connected. Enable the accel.
1432	*/
1433	Assert(fEnable == true);
1434
1435	mfVideoAccelVRDP = true;
1436	/* Supporting all orders. */
1437	mfu32SupportedOrders = UINT32_MAX;
1438
1439	i_vbvaSetMemoryFlags(pVideoAccel->pVbvaMemory, pVideoAccel->fVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders,
1440	maFramebuffers, mcMonitors);
1441	#ifdef VBOX_WITH_HGSMI
1442	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1443	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1444	#endif /* VBOX_WITH_HGSMI */
1445
1446	LogRel(("VBVA: VRDP acceleration has been requested.\n"));
1447	}
1448	else
1449	{
1450	/* A client is connected or disconnected but there is no change in the
1451	* accel state. It remains enabled.
1452	*/
1453	Assert(mfVideoAccelVRDP == true);
1454	}
1455
1456	RTCritSectLeave(&mVideoAccelLock);
1457	}
1458
1459	void Display::i_notifyPowerDown(void)
1460	{
1461	LogRelFlowFunc(("\n"));
1462
1463	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1464
1465	/* Source bitmaps are not available anymore. */
1466	mfSourceBitmapEnabled = false;
1467
1468	alock.release();
1469
1470	/* Resize all displays to tell framebuffers to forget current source bitmap. */
1471	unsigned uScreenId = mcMonitors;
1472	while (uScreenId > 0)
1473	{
1474	--uScreenId;
1475
1476	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1477	if (!pFBInfo->fDisabled)
1478	{
1479	i_handleDisplayResize(uScreenId, 32,
1480	pFBInfo->pu8FramebufferVRAM,
1481	pFBInfo->u32LineSize,
1482	pFBInfo->w,
1483	pFBInfo->h,
1484	pFBInfo->flags,
1485	pFBInfo->xOrigin,
1486	pFBInfo->yOrigin,
1487	false);
1488	}
1489	}
1490	}
1491
1492	// Wrapped IDisplay methods
1493	/////////////////////////////////////////////////////////////////////////////
1494	HRESULT Display::getScreenResolution(ULONG aScreenId, ULONG aWidth, ULONG aHeight, ULONG *aBitsPerPixel,
1495	LONG aXOrigin, LONG aYOrigin, GuestMonitorStatus_T *aGuestMonitorStatus)
1496	{
1497	LogRelFlowFunc(("aScreenId=%RU32\n", aScreenId));
1498
1499	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1500
1501	if (aScreenId >= mcMonitors)
1502	return E_INVALIDARG;
1503
1504	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1505
1506	GuestMonitorStatus_T guestMonitorStatus = GuestMonitorStatus_Enabled;
1507
1508	if (pFBInfo->flags & VBVA_SCREEN_F_DISABLED)
1509	guestMonitorStatus = GuestMonitorStatus_Disabled;
1510	else if (pFBInfo->flags & (VBVA_SCREEN_F_BLANK \| VBVA_SCREEN_F_BLANK2))
1511	guestMonitorStatus = GuestMonitorStatus_Blank;
1512
1513	if (aWidth)
1514	*aWidth = pFBInfo->w;
1515	if (aHeight)
1516	*aHeight = pFBInfo->h;
1517	if (aBitsPerPixel)
1518	*aBitsPerPixel = pFBInfo->u16BitsPerPixel;
1519	if (aXOrigin)
1520	*aXOrigin = pFBInfo->xOrigin;
1521	if (aYOrigin)
1522	*aYOrigin = pFBInfo->yOrigin;
1523	if (aGuestMonitorStatus)
1524	*aGuestMonitorStatus = guestMonitorStatus;
1525
1526	return S_OK;
1527	}
1528
1529
1530	HRESULT Display::attachFramebuffer(ULONG aScreenId, const ComPtr<IFramebuffer> &aFramebuffer, com::Guid &aId)
1531	{
1532	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
1533
1534	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1535
1536	if (aScreenId >= mcMonitors)
1537	return setError(E_INVALIDARG, tr("AttachFramebuffer: Invalid screen %d (total %d)"),
1538	aScreenId, mcMonitors);
1539
1540	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1541	if (!pFBInfo->pFramebuffer.isNull())
1542	return setError(E_FAIL, tr("AttachFramebuffer: Framebuffer already attached to %d"),
1543	aScreenId);
1544
1545	pFBInfo->pFramebuffer = aFramebuffer;
1546	pFBInfo->framebufferId.create();
1547	aId = pFBInfo->framebufferId;
1548
1549	SafeArray<FramebufferCapabilities_T> caps;
1550	pFBInfo->pFramebuffer->COMGETTER(Capabilities)(ComSafeArrayAsOutParam(caps));
1551	pFBInfo->u32Caps = 0;
1552	size_t i;
1553	for (i = 0; i < caps.size(); ++i)
1554	pFBInfo->u32Caps \|= caps[i];
1555
1556	alock.release();
1557
1558	/* The driver might not have been constructed yet */
1559	if (mpDrv)
1560	{
1561	/* Inform the framebuffer about the actual screen size. */
1562	HRESULT hr = aFramebuffer->NotifyChange(aScreenId, 0, 0, pFBInfo->w, pFBInfo->h); /** @todo origin */
1563	LogFunc(("NotifyChange hr %08X\n", hr)); NOREF(hr);
1564
1565	/* Re-send the seamless rectangles if necessary. */
1566	if (mfSeamlessEnabled)
1567	i_handleSetVisibleRegion(mcRectVisibleRegion, mpRectVisibleRegion);
1568	}
1569
1570	Console::SafeVMPtrQuiet ptrVM(mParent);
1571	if (ptrVM.isOk())
1572	{
1573	VMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
1574	3, this, aScreenId, false);
1575	}
1576
1577	LogRelFlowFunc(("Attached to %d %RTuuid\n", aScreenId, aId.raw()));
1578	return S_OK;
1579	}
1580
1581	HRESULT Display::detachFramebuffer(ULONG aScreenId, const com::Guid &aId)
1582	{
1583	LogRelFlowFunc(("aScreenId = %d %RTuuid\n", aScreenId, aId.raw()));
1584
1585	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1586
1587	if (aScreenId >= mcMonitors)
1588	return setError(E_INVALIDARG, tr("DetachFramebuffer: Invalid screen %d (total %d)"),
1589	aScreenId, mcMonitors);
1590
1591	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1592
1593	if (pFBInfo->framebufferId != aId)
1594	{
1595	LogRelFlowFunc(("Invalid framebuffer aScreenId = %d, attached %p\n", aScreenId, pFBInfo->framebufferId.raw()));
1596	return setError(E_FAIL, tr("DetachFramebuffer: Invalid framebuffer object"));
1597	}
1598
1599	pFBInfo->pFramebuffer.setNull();
1600	pFBInfo->framebufferId.clear();
1601
1602	alock.release();
1603	return S_OK;
1604	}
1605
1606	HRESULT Display::queryFramebuffer(ULONG aScreenId, ComPtr<IFramebuffer> &aFramebuffer)
1607	{
1608	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
1609
1610	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1611
1612	if (aScreenId >= mcMonitors)
1613	return setError(E_INVALIDARG, tr("QueryFramebuffer: Invalid screen %d (total %d)"),
1614	aScreenId, mcMonitors);
1615
1616	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1617
1618	pFBInfo->pFramebuffer.queryInterfaceTo(aFramebuffer.asOutParam());
1619
1620	return S_OK;
1621	}
1622
1623	HRESULT Display::setVideoModeHint(ULONG aDisplay, BOOL aEnabled,
1624	BOOL aChangeOrigin, LONG aOriginX, LONG aOriginY,
1625	ULONG aWidth, ULONG aHeight, ULONG aBitsPerPixel,
1626	BOOL aNotify)
1627	{
1628	if (aWidth == 0 \|\| aHeight == 0 \|\| aBitsPerPixel == 0)
1629	{
1630	/* Some of parameters must not change. Query current mode. */
1631	ULONG ulWidth = 0;
1632	ULONG ulHeight = 0;
1633	ULONG ulBitsPerPixel = 0;
1634	HRESULT hr = getScreenResolution(aDisplay, &ulWidth, &ulHeight, &ulBitsPerPixel, NULL, NULL, NULL);
1635	if (FAILED(hr))
1636	return hr;
1637
1638	/* Assign current values to not changing parameters. */
1639	if (aWidth == 0)
1640	aWidth = ulWidth;
1641	if (aHeight == 0)
1642	aHeight = ulHeight;
1643	if (aBitsPerPixel == 0)
1644	aBitsPerPixel = ulBitsPerPixel;
1645	}
1646
1647	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1648
1649	if (aDisplay >= mcMonitors)
1650	return E_INVALIDARG;
1651
1652	VMMDevDisplayDef d;
1653	d.idDisplay = aDisplay;
1654	d.xOrigin = aOriginX;
1655	d.yOrigin = aOriginY;
1656	d.cx = aWidth;
1657	d.cy = aHeight;
1658	d.cBitsPerPixel = aBitsPerPixel;
1659	d.fDisplayFlags = VMMDEV_DISPLAY_CX \| VMMDEV_DISPLAY_CY \| VMMDEV_DISPLAY_BPP;
1660	if (!aEnabled)
1661	d.fDisplayFlags \|= VMMDEV_DISPLAY_DISABLED;
1662	if (aChangeOrigin)
1663	d.fDisplayFlags \|= VMMDEV_DISPLAY_ORIGIN;
1664	if (aDisplay == 0)
1665	d.fDisplayFlags \|= VMMDEV_DISPLAY_PRIMARY;
1666
1667	/* Remember the monitor information. */
1668	maFramebuffers[aDisplay].monitorDesc = d;
1669
1670	CHECK_CONSOLE_DRV(mpDrv);
1671
1672	/*
1673	* It is up to the guest to decide whether the hint is
1674	* valid. Therefore don't do any VRAM sanity checks here.
1675	*/
1676
1677	/* Have to release the lock because the pfnRequestDisplayChange
1678	* will call EMT. */
1679	alock.release();
1680
1681	/* We always send the hint to the graphics card in case the guest enables
1682	* support later. For now we notify exactly when support is enabled. */
1683	mpDrv->pUpPort->pfnSendModeHint(mpDrv->pUpPort, aWidth, aHeight,
1684	aBitsPerPixel, aDisplay,
1685	aChangeOrigin ? aOriginX : ~0,
1686	aChangeOrigin ? aOriginY : ~0,
1687	RT_BOOL(aEnabled),
1688	( mfGuestVBVACapabilities
1689	& VBVACAPS_VIDEO_MODE_HINTS)
1690	&& aNotify);
1691	if ( mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS
1692	&& !(mfGuestVBVACapabilities & VBVACAPS_IRQ)
1693	&& aNotify)
1694	{
1695	mParent->i_sendACPIMonitorHotPlugEvent();
1696	}
1697
1698	/* We currently never suppress the VMMDev hint if the guest has requested
1699	* it. Specifically the video graphics driver may not be responsible for
1700	* screen positioning in the guest virtual desktop, and the component
1701	* responsible may want to get the hint from VMMDev. */
1702	VMMDev *pVMMDev = mParent->i_getVMMDev();
1703	if (pVMMDev)
1704	{
1705	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1706	if (pVMMDevPort)
1707	pVMMDevPort->pfnRequestDisplayChange(pVMMDevPort, 1, &d, false, RT_BOOL(aNotify));
1708	}
1709	/* Notify listeners. */
1710	::FireGuestMonitorInfoChangedEvent(mParent->i_getEventSource(), aDisplay);
1711	return S_OK;
1712	}
1713
1714	HRESULT Display::getVideoModeHint(ULONG cDisplay, BOOL *pfEnabled,
1715	BOOL pfChangeOrigin, LONG pxOrigin, LONG *pyOrigin,
1716	ULONG pcx, ULONG pcy, ULONG *pcBitsPerPixel)
1717	{
1718	if (cDisplay >= mcMonitors)
1719	return E_INVALIDARG;
1720
1721	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1722	if (pfEnabled)
1723	*pfEnabled = !( maFramebuffers[cDisplay].monitorDesc.fDisplayFlags
1724	& VMMDEV_DISPLAY_DISABLED);
1725	if (pfChangeOrigin)
1726	*pfChangeOrigin = RT_BOOL( maFramebuffers[cDisplay].monitorDesc.fDisplayFlags
1727	& VMMDEV_DISPLAY_ORIGIN);
1728	if (pxOrigin)
1729	*pxOrigin = maFramebuffers[cDisplay].monitorDesc.xOrigin;
1730	if (pyOrigin)
1731	*pyOrigin = maFramebuffers[cDisplay].monitorDesc.yOrigin;
1732	if (pcx)
1733	*pcx = maFramebuffers[cDisplay].monitorDesc.cx;
1734	if (pcy)
1735	*pcy = maFramebuffers[cDisplay].monitorDesc.cy;
1736	if (pcBitsPerPixel)
1737	*pcBitsPerPixel = maFramebuffers[cDisplay].monitorDesc.cBitsPerPixel;
1738	return S_OK;
1739	}
1740
1741	HRESULT Display::setSeamlessMode(BOOL enabled)
1742	{
1743	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1744
1745	/* Have to release the lock because the pfnRequestSeamlessChange will call EMT. */
1746	alock.release();
1747
1748	VMMDev *pVMMDev = mParent->i_getVMMDev();
1749	if (pVMMDev)
1750	{
1751	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1752	if (pVMMDevPort)
1753	pVMMDevPort->pfnRequestSeamlessChange(pVMMDevPort, !!enabled);
1754	}
1755	mfSeamlessEnabled = RT_BOOL(enabled);
1756	return S_OK;
1757	}
1758
1759	/static/ DECLCALLBACK(int)
1760	Display::i_displayTakeScreenshotEMT(Display pDisplay, ULONG aScreenId, uint8_t ppbData, size_t pcbData,
1761	uint32_t pcx, uint32_t pcy, bool *pfMemFree)
1762	{
1763	int rc;
1764	if ( aScreenId == VBOX_VIDEO_PRIMARY_SCREEN
1765	&& pDisplay->maFramebuffers[aScreenId].fVBVAEnabled == false) /* A non-VBVA mode. */
1766	{
1767	if (pDisplay->mpDrv)
1768	{
1769	rc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppbData, pcbData, pcx, pcy);
1770	*pfMemFree = false;
1771	}
1772	else
1773	{
1774	/* No image. */
1775	*ppbData = NULL;
1776	*pcbData = 0;
1777	*pcx = 0;
1778	*pcy = 0;
1779	*pfMemFree = true;
1780	rc = VINF_SUCCESS;
1781	}
1782	}
1783	else if (aScreenId < pDisplay->mcMonitors)
1784	{
1785	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
1786
1787	uint32_t width = pFBInfo->w;
1788	uint32_t height = pFBInfo->h;
1789
1790	/* Allocate 32 bit per pixel bitmap. */
1791	size_t cbRequired = width * 4 * height;
1792
1793	if (cbRequired)
1794	{
1795	uint8_t pbDst = (uint8_t )RTMemAlloc(cbRequired);
1796	if (pbDst != NULL)
1797	{
1798	if (pFBInfo->flags & VBVA_SCREEN_F_ACTIVE)
1799	{
1800	/* Copy guest VRAM to the allocated 32bpp buffer. */
1801	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
1802	int32_t xSrc = 0;
1803	int32_t ySrc = 0;
1804	uint32_t u32SrcWidth = width;
1805	uint32_t u32SrcHeight = height;
1806	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
1807	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
1808
1809	int32_t xDst = 0;
1810	int32_t yDst = 0;
1811	uint32_t u32DstWidth = u32SrcWidth;
1812	uint32_t u32DstHeight = u32SrcHeight;
1813	uint32_t u32DstLineSize = u32DstWidth * 4;
1814	uint32_t u32DstBitsPerPixel = 32;
1815
1816	rc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
1817	width, height,
1818	pu8Src,
1819	xSrc, ySrc,
1820	u32SrcWidth, u32SrcHeight,
1821	u32SrcLineSize, u32SrcBitsPerPixel,
1822	pbDst,
1823	xDst, yDst,
1824	u32DstWidth, u32DstHeight,
1825	u32DstLineSize, u32DstBitsPerPixel);
1826	}
1827	else
1828	{
1829	memset(pbDst, 0, cbRequired);
1830	rc = VINF_SUCCESS;
1831	}
1832	if (RT_SUCCESS(rc))
1833	{
1834	*ppbData = pbDst;
1835	*pcbData = cbRequired;
1836	*pcx = width;
1837	*pcy = height;
1838	*pfMemFree = true;
1839	}
1840	else
1841	{
1842	RTMemFree(pbDst);
1843
1844	/* CopyRect can fail if VBVA was paused in VGA device, retry using the generic method. */
1845	if ( rc == VERR_INVALID_STATE
1846	&& aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1847	{
1848	rc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppbData, pcbData, pcx, pcy);
1849	*pfMemFree = false;
1850	}
1851	}
1852	}
1853	else
1854	rc = VERR_NO_MEMORY;
1855	}
1856	else
1857	{
1858	/* No image. */
1859	*ppbData = NULL;
1860	*pcbData = 0;
1861	*pcx = 0;
1862	*pcy = 0;
1863	*pfMemFree = true;
1864	rc = VINF_SUCCESS;
1865	}
1866	}
1867	else
1868	rc = VERR_INVALID_PARAMETER;
1869	return rc;
1870	}
1871
1872	static int i_displayTakeScreenshot(PUVM pUVM, Display pDisplay, struct DRVMAINDISPLAY pDrv, ULONG aScreenId,
1873	BYTE *address, ULONG width, ULONG height)
1874	{
1875	uint8_t *pbData = NULL;
1876	size_t cbData = 0;
1877	uint32_t cx = 0;
1878	uint32_t cy = 0;
1879	bool fFreeMem = false;
1880	int vrc = VINF_SUCCESS;
1881
1882	int cRetries = 5;
1883	while (cRetries-- > 0)
1884	{
1885	/* Note! Not sure if the priority call is such a good idea here, but
1886	it would be nice to have an accurate screenshot for the bug
1887	report if the VM deadlocks. */
1888	vrc = VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)Display::i_displayTakeScreenshotEMT, 7,
1889	pDisplay, aScreenId, &pbData, &cbData, &cx, &cy, &fFreeMem);
1890	if (vrc != VERR_TRY_AGAIN)
1891	{
1892	break;
1893	}
1894
1895	RTThreadSleep(10);
1896	}
1897
1898	if (RT_SUCCESS(vrc) && pbData)
1899	{
1900	if (cx == width && cy == height)
1901	{
1902	/* No scaling required. */
1903	memcpy(address, pbData, cbData);
1904	}
1905	else
1906	{
1907	/* Scale. */
1908	LogRelFlowFunc(("SCALE: %dx%d -> %dx%d\n", cx, cy, width, height));
1909
1910	uint8_t *dst = address;
1911	uint8_t *src = pbData;
1912	int dstW = width;
1913	int dstH = height;
1914	int srcW = cx;
1915	int srcH = cy;
1916	int iDeltaLine = cx * 4;
1917
1918	BitmapScale32(dst,
1919	dstW, dstH,
1920	src,
1921	iDeltaLine,
1922	srcW, srcH);
1923	}
1924
1925	if (fFreeMem)
1926	RTMemFree(pbData);
1927	else
1928	{
1929	/* This can be called from any thread. */
1930	pDrv->pUpPort->pfnFreeScreenshot(pDrv->pUpPort, pbData);
1931	}
1932	}
1933
1934	return vrc;
1935	}
1936
1937	HRESULT Display::takeScreenShotWorker(ULONG aScreenId,
1938	BYTE *aAddress,
1939	ULONG aWidth,
1940	ULONG aHeight,
1941	BitmapFormat_T aBitmapFormat,
1942	ULONG *pcbOut)
1943	{
1944	HRESULT rc = S_OK;
1945
1946	/* Do not allow too small and too large screenshots. This also filters out negative
1947	* values passed as either 'aWidth' or 'aHeight'.
1948	*/
1949	CheckComArgExpr(aWidth, aWidth != 0 && aWidth <= 32767);
1950	CheckComArgExpr(aHeight, aHeight != 0 && aHeight <= 32767);
1951
1952	if ( aBitmapFormat != BitmapFormat_BGR0
1953	&& aBitmapFormat != BitmapFormat_BGRA
1954	&& aBitmapFormat != BitmapFormat_RGBA
1955	&& aBitmapFormat != BitmapFormat_PNG)
1956	{
1957	return setError(E_NOTIMPL,
1958	tr("Unsupported screenshot format 0x%08X"), aBitmapFormat);
1959	}
1960
1961	Console::SafeVMPtr ptrVM(mParent);
1962	if (!ptrVM.isOk())
1963	return ptrVM.rc();
1964
1965	int vrc = i_displayTakeScreenshot(ptrVM.rawUVM(), this, mpDrv, aScreenId, aAddress, aWidth, aHeight);
1966
1967	if (RT_SUCCESS(vrc))
1968	{
1969	const size_t cbData = aWidth * 4 * aHeight;
1970
1971	/* Most of uncompressed formats. */
1972	*pcbOut = (ULONG)cbData;
1973
1974	if (aBitmapFormat == BitmapFormat_BGR0)
1975	{
1976	/* Do nothing. */
1977	}
1978	else if (aBitmapFormat == BitmapFormat_BGRA)
1979	{
1980	uint32_t pu32 = (uint32_t )aAddress;
1981	size_t cPixels = aWidth * aHeight;
1982	while (cPixels--)
1983	{
1984	*pu32++ \|= UINT32_C(0xFF000000);
1985	}
1986	}
1987	else if (aBitmapFormat == BitmapFormat_RGBA)
1988	{
1989	uint8_t *pu8 = aAddress;
1990	size_t cPixels = aWidth * aHeight;
1991	while (cPixels--)
1992	{
1993	uint8_t u8 = pu8[0];
1994	pu8[0] = pu8[2];
1995	pu8[2] = u8;
1996	pu8[3] = 0xFF;
1997
1998	pu8 += 4;
1999	}
2000	}
2001	else if (aBitmapFormat == BitmapFormat_PNG)
2002	{
2003	uint8_t *pu8PNG = NULL;
2004	uint32_t cbPNG = 0;
2005	uint32_t cxPNG = 0;
2006	uint32_t cyPNG = 0;
2007
2008	vrc = DisplayMakePNG(aAddress, aWidth, aHeight, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 0);
2009	if (RT_SUCCESS(vrc))
2010	{
2011	if (cbPNG <= cbData)
2012	{
2013	memcpy(aAddress, pu8PNG, cbPNG);
2014	*pcbOut = cbPNG;
2015	}
2016	else
2017	{
2018	rc = setError(E_FAIL,
2019	tr("PNG is larger than 32bpp bitmap"));
2020	}
2021	}
2022	else
2023	rc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not convert screenshot to PNG (%Rrc)"), vrc);
2024	RTMemFree(pu8PNG);
2025	}
2026	}
2027	else if (vrc == VERR_TRY_AGAIN)
2028	rc = setErrorBoth(E_UNEXPECTED, vrc, tr("Screenshot is not available at this time"));
2029	else if (RT_FAILURE(vrc))
2030	rc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not take a screenshot (%Rrc)"), vrc);
2031
2032	return rc;
2033	}
2034
2035	HRESULT Display::takeScreenShot(ULONG aScreenId,
2036	BYTE *aAddress,
2037	ULONG aWidth,
2038	ULONG aHeight,
2039	BitmapFormat_T aBitmapFormat)
2040	{
2041	HRESULT rc = S_OK;
2042
2043	LogRelFlowFunc(("[%d] address=%p, width=%d, height=%d, format 0x%08X\n",
2044	aScreenId, aAddress, aWidth, aHeight, aBitmapFormat));
2045
2046	ULONG cbOut = 0;
2047	rc = takeScreenShotWorker(aScreenId, aAddress, aWidth, aHeight, aBitmapFormat, &cbOut);
2048	NOREF(cbOut);
2049
2050	LogRelFlowFunc(("%Rhrc\n", rc));
2051	return rc;
2052	}
2053
2054	HRESULT Display::takeScreenShotToArray(ULONG aScreenId,
2055	ULONG aWidth,
2056	ULONG aHeight,
2057	BitmapFormat_T aBitmapFormat,
2058	std::vector<BYTE> &aScreenData)
2059	{
2060	HRESULT rc = S_OK;
2061
2062	LogRelFlowFunc(("[%d] width=%d, height=%d, format 0x%08X\n",
2063	aScreenId, aWidth, aHeight, aBitmapFormat));
2064
2065	/* Do not allow too small and too large screenshots. This also filters out negative
2066	* values passed as either 'aWidth' or 'aHeight'.
2067	*/
2068	CheckComArgExpr(aWidth, aWidth != 0 && aWidth <= 32767);
2069	CheckComArgExpr(aHeight, aHeight != 0 && aHeight <= 32767);
2070
2071	const size_t cbData = aWidth * 4 * aHeight;
2072	aScreenData.resize(cbData);
2073
2074	ULONG cbOut = 0;
2075	rc = takeScreenShotWorker(aScreenId, &aScreenData.front(), aWidth, aHeight, aBitmapFormat, &cbOut);
2076	if (FAILED(rc))
2077	cbOut = 0;
2078
2079	aScreenData.resize(cbOut);
2080
2081	LogRelFlowFunc(("%Rhrc\n", rc));
2082	return rc;
2083	}
2084
2085	#ifdef VBOX_WITH_RECORDING
2086	/**
2087	* Invalidates the recording configuration.
2088	*
2089	* @returns IPRT status code.
2090	*/
2091	int Display::i_recordingInvalidate(void)
2092	{
2093	RecordingContext *pCtx = mParent->i_recordingGetContext();
2094	if (!pCtx \|\| !pCtx->IsStarted())
2095	return VINF_SUCCESS;
2096
2097	/*
2098	* Invalidate screens.
2099	*/
2100	for (unsigned uScreen = 0; uScreen < mcMonitors; uScreen++)
2101	{
2102	RecordingStream *pRecordingStream = pCtx->GetStream(uScreen);
2103
2104	const bool fStreamEnabled = pRecordingStream->IsReady();
2105	bool fChanged = maRecordingEnabled[uScreen] != fStreamEnabled;
2106
2107	maRecordingEnabled[uScreen] = fStreamEnabled;
2108
2109	if (fChanged && uScreen < mcMonitors)
2110	i_recordingScreenChanged(uScreen);
2111	}
2112
2113	return VINF_SUCCESS;
2114	}
2115
2116	void Display::i_recordingScreenChanged(unsigned uScreenId)
2117	{
2118	RecordingContext *pCtx = mParent->i_recordingGetContext();
2119
2120	i_UpdateDeviceCursorCapabilities();
2121	if ( RT_LIKELY(!maRecordingEnabled[uScreenId])
2122	\|\| !pCtx \|\| !pCtx->IsStarted())
2123	{
2124	/* Skip recording this screen. */
2125	return;
2126	}
2127
2128	/* Get a new source bitmap which will be used by video recording code. */
2129	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
2130	QuerySourceBitmap(uScreenId, pSourceBitmap.asOutParam());
2131
2132	int rc2 = RTCritSectEnter(&mVideoRecLock);
2133	if (RT_SUCCESS(rc2))
2134	{
2135	maFramebuffers[uScreenId].Recording.pSourceBitmap = pSourceBitmap;
2136
2137	rc2 = RTCritSectLeave(&mVideoRecLock);
2138	AssertRC(rc2);
2139	}
2140	}
2141	#endif /* VBOX_WITH_RECORDING */
2142
2143	/static/ DECLCALLBACK(int)
2144	Display::i_drawToScreenEMT(Display pDisplay, ULONG aScreenId, BYTE address, ULONG x, ULONG y, ULONG width, ULONG height)
2145	{
2146	int rc = VINF_SUCCESS;
2147
2148	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
2149
2150	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2151	{
2152	rc = pDisplay->mpDrv->pUpPort->pfnDisplayBlt(pDisplay->mpDrv->pUpPort, address, x, y, width, height);
2153	}
2154	else if (aScreenId < pDisplay->mcMonitors)
2155	{
2156	/* Copy the bitmap to the guest VRAM. */
2157	const uint8_t *pu8Src = address;
2158	int32_t xSrc = 0;
2159	int32_t ySrc = 0;
2160	uint32_t u32SrcWidth = width;
2161	uint32_t u32SrcHeight = height;
2162	uint32_t u32SrcLineSize = width * 4;
2163	uint32_t u32SrcBitsPerPixel = 32;
2164
2165	uint8_t *pu8Dst = pFBInfo->pu8FramebufferVRAM;
2166	int32_t xDst = x;
2167	int32_t yDst = y;
2168	uint32_t u32DstWidth = pFBInfo->w;
2169	uint32_t u32DstHeight = pFBInfo->h;
2170	uint32_t u32DstLineSize = pFBInfo->u32LineSize;
2171	uint32_t u32DstBitsPerPixel = pFBInfo->u16BitsPerPixel;
2172
2173	rc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2174	width, height,
2175	pu8Src,
2176	xSrc, ySrc,
2177	u32SrcWidth, u32SrcHeight,
2178	u32SrcLineSize, u32SrcBitsPerPixel,
2179	pu8Dst,
2180	xDst, yDst,
2181	u32DstWidth, u32DstHeight,
2182	u32DstLineSize, u32DstBitsPerPixel);
2183	if (RT_SUCCESS(rc))
2184	{
2185	if (!pFBInfo->pSourceBitmap.isNull())
2186	{
2187	/* Update the changed screen area. When source bitmap uses VRAM directly, just notify
2188	* frontend to update. And for default format, render the guest VRAM to the source bitmap.
2189	*/
2190	if ( pFBInfo->fDefaultFormat
2191	&& !pFBInfo->fDisabled)
2192	{
2193	BYTE *pAddress = NULL;
2194	ULONG ulWidth = 0;
2195	ULONG ulHeight = 0;
2196	ULONG ulBitsPerPixel = 0;
2197	ULONG ulBytesPerLine = 0;
2198	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2199
2200	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2201	&ulWidth,
2202	&ulHeight,
2203	&ulBitsPerPixel,
2204	&ulBytesPerLine,
2205	&bitmapFormat);
2206	if (SUCCEEDED(hrc))
2207	{
2208	pu8Src = pFBInfo->pu8FramebufferVRAM;
2209	xSrc = x;
2210	ySrc = y;
2211	u32SrcWidth = pFBInfo->w;
2212	u32SrcHeight = pFBInfo->h;
2213	u32SrcLineSize = pFBInfo->u32LineSize;
2214	u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2215
2216	/* Default format is 32 bpp. */
2217	pu8Dst = pAddress;
2218	xDst = xSrc;
2219	yDst = ySrc;
2220	u32DstWidth = u32SrcWidth;
2221	u32DstHeight = u32SrcHeight;
2222	u32DstLineSize = u32DstWidth * 4;
2223	u32DstBitsPerPixel = 32;
2224
2225	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2226	width, height,
2227	pu8Src,
2228	xSrc, ySrc,
2229	u32SrcWidth, u32SrcHeight,
2230	u32SrcLineSize, u32SrcBitsPerPixel,
2231	pu8Dst,
2232	xDst, yDst,
2233	u32DstWidth, u32DstHeight,
2234	u32DstLineSize, u32DstBitsPerPixel);
2235	}
2236	}
2237	}
2238
2239	pDisplay->i_handleDisplayUpdate(aScreenId, x, y, width, height);
2240	}
2241	}
2242	else
2243	{
2244	rc = VERR_INVALID_PARAMETER;
2245	}
2246
2247	if (RT_SUCCESS(rc))
2248	pDisplay->mParent->i_consoleVRDPServer()->SendUpdateBitmap(aScreenId, x, y, width, height);
2249
2250	return rc;
2251	}
2252
2253	HRESULT Display::drawToScreen(ULONG aScreenId, BYTE *aAddress, ULONG aX, ULONG aY, ULONG aWidth, ULONG aHeight)
2254	{
2255	/// @todo (r=dmik) this function may take too long to complete if the VM
2256	// is doing something like saving state right now. Which, in case if it
2257	// is called on the GUI thread, will make it unresponsive. We should
2258	// check the machine state here (by enclosing the check and VMRequCall
2259	// within the Console lock to make it atomic).
2260
2261	LogRelFlowFunc(("aAddress=%p, x=%d, y=%d, width=%d, height=%d\n",
2262	(void *)aAddress, aX, aY, aWidth, aHeight));
2263
2264	CheckComArgExpr(aWidth, aWidth != 0);
2265	CheckComArgExpr(aHeight, aHeight != 0);
2266
2267	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2268
2269	CHECK_CONSOLE_DRV(mpDrv);
2270
2271	Console::SafeVMPtr ptrVM(mParent);
2272	if (!ptrVM.isOk())
2273	return ptrVM.rc();
2274
2275	/* Release lock because the call scheduled on EMT may also try to take it. */
2276	alock.release();
2277
2278	/*
2279	* Again we're lazy and make the graphics device do all the
2280	* dirty conversion work.
2281	*/
2282	int vrc = VMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_drawToScreenEMT, 7,
2283	this, aScreenId, aAddress, aX, aY, aWidth, aHeight);
2284
2285	/*
2286	* If the function returns not supported, we'll have to do all the
2287	* work ourselves using the framebuffer.
2288	*/
2289	HRESULT rc = S_OK;
2290	if (vrc == VERR_NOT_SUPPORTED \|\| vrc == VERR_NOT_IMPLEMENTED)
2291	{
2292	/** @todo implement generic fallback for screen blitting. */
2293	rc = E_NOTIMPL;
2294	}
2295	else if (RT_FAILURE(vrc))
2296	rc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not draw to the screen (%Rrc)"), vrc);
2297	/// @todo
2298	// else
2299	// {
2300	// /* All ok. Redraw the screen. */
2301	// handleDisplayUpdate(x, y, width, height);
2302	// }
2303
2304	LogRelFlowFunc(("rc=%Rhrc\n", rc));
2305	return rc;
2306	}
2307
2308	/static/ DECLCALLBACK(int) Display::i_InvalidateAndUpdateEMT(Display *pDisplay, unsigned uId, bool fUpdateAll)
2309	{
2310	LogRelFlowFunc(("uId=%d, fUpdateAll %d\n", uId, fUpdateAll));
2311
2312	unsigned uScreenId;
2313	for (uScreenId = (fUpdateAll ? 0 : uId); uScreenId < pDisplay->mcMonitors; uScreenId++)
2314	{
2315	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
2316
2317	if ( !pFBInfo->fVBVAEnabled
2318	&& uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2319	{
2320	pDisplay->mpDrv->pUpPort->pfnUpdateDisplayAll(pDisplay->mpDrv->pUpPort, /* fFailOnResize = */ true);
2321	}
2322	else
2323	{
2324	if (!pFBInfo->fDisabled)
2325	{
2326	/* Render complete VRAM screen to the framebuffer.
2327	* When framebuffer uses VRAM directly, just notify it to update.
2328	*/
2329	if (pFBInfo->fDefaultFormat && !pFBInfo->pSourceBitmap.isNull())
2330	{
2331	BYTE *pAddress = NULL;
2332	ULONG ulWidth = 0;
2333	ULONG ulHeight = 0;
2334	ULONG ulBitsPerPixel = 0;
2335	ULONG ulBytesPerLine = 0;
2336	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2337
2338	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2339	&ulWidth,
2340	&ulHeight,
2341	&ulBitsPerPixel,
2342	&ulBytesPerLine,
2343	&bitmapFormat);
2344	if (SUCCEEDED(hrc))
2345	{
2346	uint32_t width = pFBInfo->w;
2347	uint32_t height = pFBInfo->h;
2348
2349	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
2350	int32_t xSrc = 0;
2351	int32_t ySrc = 0;
2352	uint32_t u32SrcWidth = pFBInfo->w;
2353	uint32_t u32SrcHeight = pFBInfo->h;
2354	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
2355	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2356
2357	/* Default format is 32 bpp. */
2358	uint8_t *pu8Dst = pAddress;
2359	int32_t xDst = xSrc;
2360	int32_t yDst = ySrc;
2361	uint32_t u32DstWidth = u32SrcWidth;
2362	uint32_t u32DstHeight = u32SrcHeight;
2363	uint32_t u32DstLineSize = u32DstWidth * 4;
2364	uint32_t u32DstBitsPerPixel = 32;
2365
2366	/* if uWidth != pFBInfo->w and uHeight != pFBInfo->h
2367	* implies resize of Framebuffer is in progress and
2368	* copyrect should not be called.
2369	*/
2370	if (ulWidth == pFBInfo->w && ulHeight == pFBInfo->h)
2371	{
2372	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2373	width, height,
2374	pu8Src,
2375	xSrc, ySrc,
2376	u32SrcWidth, u32SrcHeight,
2377	u32SrcLineSize, u32SrcBitsPerPixel,
2378	pu8Dst,
2379	xDst, yDst,
2380	u32DstWidth, u32DstHeight,
2381	u32DstLineSize, u32DstBitsPerPixel);
2382	}
2383	}
2384	}
2385
2386	pDisplay->i_handleDisplayUpdate(uScreenId, 0, 0, pFBInfo->w, pFBInfo->h);
2387	}
2388	}
2389	if (!fUpdateAll)
2390	break;
2391	}
2392	LogRelFlowFunc(("done\n"));
2393	return VINF_SUCCESS;
2394	}
2395
2396	/**
2397	* Does a full invalidation of the VM display and instructs the VM
2398	* to update it immediately.
2399	*
2400	* @returns COM status code
2401	*/
2402
2403	HRESULT Display::invalidateAndUpdate()
2404	{
2405	LogRelFlowFunc(("\n"));
2406
2407	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2408
2409	CHECK_CONSOLE_DRV(mpDrv);
2410
2411	Console::SafeVMPtr ptrVM(mParent);
2412	if (!ptrVM.isOk())
2413	return ptrVM.rc();
2414
2415	HRESULT rc = S_OK;
2416
2417	LogRelFlowFunc(("Sending DPYUPDATE request\n"));
2418
2419	/* Have to release the lock when calling EMT. */
2420	alock.release();
2421
2422	int vrc = VMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2423	3, this, 0, true);
2424	alock.acquire();
2425
2426	if (RT_FAILURE(vrc))
2427	rc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not invalidate and update the screen (%Rrc)"), vrc);
2428
2429	LogRelFlowFunc(("rc=%Rhrc\n", rc));
2430	return rc;
2431	}
2432
2433	HRESULT Display::invalidateAndUpdateScreen(ULONG aScreenId)
2434	{
2435	LogRelFlowFunc(("\n"));
2436
2437	HRESULT rc = S_OK;
2438
2439	Console::SafeVMPtr ptrVM(mParent);
2440	if (!ptrVM.isOk())
2441	return ptrVM.rc();
2442
2443	int vrc = VMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2444	3, this, aScreenId, false);
2445	if (RT_FAILURE(vrc))
2446	rc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not invalidate and update the screen %d (%Rrc)"), aScreenId, vrc);
2447
2448	LogRelFlowFunc(("rc=%Rhrc\n", rc));
2449	return rc;
2450	}
2451
2452	HRESULT Display::completeVHWACommand(BYTE *aCommand)
2453	{
2454	#ifdef VBOX_WITH_VIDEOHWACCEL
2455	mpDrv->pVBVACallbacks->pfnVHWACommandCompleteAsync(mpDrv->pVBVACallbacks, (VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *)aCommand);
2456	return S_OK;
2457	#else
2458	RT_NOREF(aCommand);
2459	return E_NOTIMPL;
2460	#endif
2461	}
2462
2463	HRESULT Display::viewportChanged(ULONG aScreenId, ULONG aX, ULONG aY, ULONG aWidth, ULONG aHeight)
2464	{
2465	AssertMsgReturn(aScreenId < mcMonitors, ("aScreendId=%d mcMonitors=%d\n", aScreenId, mcMonitors), E_INVALIDARG);
2466
2467	/* The driver might not have been constructed yet */
2468	if (mpDrv && mpDrv->pUpPort->pfnSetViewport)
2469	mpDrv->pUpPort->pfnSetViewport(mpDrv->pUpPort, aScreenId, aX, aY, aWidth, aHeight);
2470
2471	return S_OK;
2472	}
2473
2474	HRESULT Display::querySourceBitmap(ULONG aScreenId,
2475	ComPtr<IDisplaySourceBitmap> &aDisplaySourceBitmap)
2476	{
2477	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2478
2479	Console::SafeVMPtr ptrVM(mParent);
2480	if (!ptrVM.isOk())
2481	return ptrVM.rc();
2482
2483	CHECK_CONSOLE_DRV(mpDrv);
2484
2485	bool fSetRenderVRAM = false;
2486	bool fInvalidate = false;
2487
2488	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2489
2490	if (aScreenId >= mcMonitors)
2491	return setError(E_INVALIDARG, tr("QuerySourceBitmap: Invalid screen %d (total %d)"),
2492	aScreenId, mcMonitors);
2493
2494	if (!mfSourceBitmapEnabled)
2495	{
2496	aDisplaySourceBitmap = NULL;
2497	return E_FAIL;
2498	}
2499
2500	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2501
2502	/* No source bitmap for a blank guest screen. */
2503	if (pFBInfo->flags & VBVA_SCREEN_F_BLANK)
2504	{
2505	aDisplaySourceBitmap = NULL;
2506	return E_FAIL;
2507	}
2508
2509	HRESULT hr = S_OK;
2510
2511	if (pFBInfo->pSourceBitmap.isNull())
2512	{
2513	/* Create a new object. */
2514	ComObjPtr<DisplaySourceBitmap> obj;
2515	hr = obj.createObject();
2516	if (SUCCEEDED(hr))
2517	hr = obj->init(this, aScreenId, pFBInfo);
2518
2519	if (SUCCEEDED(hr))
2520	{
2521	pFBInfo->pSourceBitmap = obj;
2522	pFBInfo->fDefaultFormat = !obj->i_usesVRAM();
2523
2524	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2525	{
2526	/* Start buffer updates. */
2527	BYTE *pAddress = NULL;
2528	ULONG ulWidth = 0;
2529	ULONG ulHeight = 0;
2530	ULONG ulBitsPerPixel = 0;
2531	ULONG ulBytesPerLine = 0;
2532	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2533
2534	pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2535	&ulWidth,
2536	&ulHeight,
2537	&ulBitsPerPixel,
2538	&ulBytesPerLine,
2539	&bitmapFormat);
2540
2541	mpDrv->IConnector.pbData = pAddress;
2542	mpDrv->IConnector.cbScanline = ulBytesPerLine;
2543	mpDrv->IConnector.cBits = ulBitsPerPixel;
2544	mpDrv->IConnector.cx = ulWidth;
2545	mpDrv->IConnector.cy = ulHeight;
2546
2547	fSetRenderVRAM = pFBInfo->fDefaultFormat;
2548	}
2549
2550	/* Make sure that the bitmap contains the latest image. */
2551	fInvalidate = pFBInfo->fDefaultFormat;
2552	}
2553	}
2554
2555	if (SUCCEEDED(hr))
2556	{
2557	pFBInfo->pSourceBitmap.queryInterfaceTo(aDisplaySourceBitmap.asOutParam());
2558	}
2559
2560	/* Leave the IDisplay lock because the VGA device must not be called under it. */
2561	alock.release();
2562
2563	if (SUCCEEDED(hr))
2564	{
2565	if (fSetRenderVRAM)
2566	{
2567	mpDrv->pUpPort->pfnSetRenderVRAM(mpDrv->pUpPort, true);
2568	}
2569
2570	if (fInvalidate)
2571	VMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2572	3, this, aScreenId, false);
2573	}
2574
2575	LogRelFlowFunc(("%Rhrc\n", hr));
2576	return hr;
2577	}
2578
2579	HRESULT Display::getGuestScreenLayout(std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenLayout)
2580	{
2581	NOREF(aGuestScreenLayout);
2582	return E_NOTIMPL;
2583	}
2584
2585	HRESULT Display::setScreenLayout(ScreenLayoutMode_T aScreenLayoutMode,
2586	const std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenInfo)
2587	{
2588	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2589
2590	if (aGuestScreenInfo.size() != mcMonitors)
2591	return E_INVALIDARG;
2592
2593	CHECK_CONSOLE_DRV(mpDrv);
2594
2595	/*
2596	* It is up to the guest to decide whether the hint is
2597	* valid. Therefore don't do any VRAM sanity checks here.
2598	*/
2599
2600	/* Have to release the lock because the pfnRequestDisplayChange
2601	* will call EMT. */
2602	alock.release();
2603
2604	VMMDev *pVMMDev = mParent->i_getVMMDev();
2605	if (pVMMDev)
2606	{
2607	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
2608	if (pVMMDevPort)
2609	{
2610	uint32_t const cDisplays = (uint32_t)aGuestScreenInfo.size();
2611
2612	size_t const cbAlloc = cDisplays * sizeof(VMMDevDisplayDef);
2613	VMMDevDisplayDef paDisplayDefs = (VMMDevDisplayDef )RTMemAlloc(cbAlloc);
2614	if (paDisplayDefs)
2615	{
2616	for (uint32_t i = 0; i < cDisplays; ++i)
2617	{
2618	VMMDevDisplayDef *p = &paDisplayDefs[i];
2619	ComPtr<IGuestScreenInfo> pScreenInfo = aGuestScreenInfo[i];
2620
2621	ULONG screenId = 0;
2622	GuestMonitorStatus_T guestMonitorStatus = GuestMonitorStatus_Enabled;
2623	BOOL origin = FALSE;
2624	BOOL primary = FALSE;
2625	LONG originX = 0;
2626	LONG originY = 0;
2627	ULONG width = 0;
2628	ULONG height = 0;
2629	ULONG bitsPerPixel = 0;
2630
2631	pScreenInfo->COMGETTER(ScreenId) (&screenId);
2632	pScreenInfo->COMGETTER(GuestMonitorStatus)(&guestMonitorStatus);
2633	pScreenInfo->COMGETTER(Primary) (&primary);
2634	pScreenInfo->COMGETTER(Origin) (&origin);
2635	pScreenInfo->COMGETTER(OriginX) (&originX);
2636	pScreenInfo->COMGETTER(OriginY) (&originY);
2637	pScreenInfo->COMGETTER(Width) (&width);
2638	pScreenInfo->COMGETTER(Height) (&height);
2639	pScreenInfo->COMGETTER(BitsPerPixel)(&bitsPerPixel);
2640
2641	LogFlowFunc(("%d %d,%d %dx%d\n", screenId, originX, originY, width, height));
2642
2643	p->idDisplay = screenId;
2644	p->xOrigin = originX;
2645	p->yOrigin = originY;
2646	p->cx = width;
2647	p->cy = height;
2648	p->cBitsPerPixel = bitsPerPixel;
2649	p->fDisplayFlags = VMMDEV_DISPLAY_CX \| VMMDEV_DISPLAY_CY \| VMMDEV_DISPLAY_BPP;
2650	if (guestMonitorStatus == GuestMonitorStatus_Disabled)
2651	p->fDisplayFlags \|= VMMDEV_DISPLAY_DISABLED;
2652	if (origin)
2653	p->fDisplayFlags \|= VMMDEV_DISPLAY_ORIGIN;
2654	if (primary)
2655	p->fDisplayFlags \|= VMMDEV_DISPLAY_PRIMARY;
2656	}
2657
2658	bool const fForce = aScreenLayoutMode == ScreenLayoutMode_Reset
2659	\|\| aScreenLayoutMode == ScreenLayoutMode_Apply;
2660	bool const fNotify = aScreenLayoutMode != ScreenLayoutMode_Silent;
2661	pVMMDevPort->pfnRequestDisplayChange(pVMMDevPort, cDisplays, paDisplayDefs, fForce, fNotify);
2662
2663	RTMemFree(paDisplayDefs);
2664	}
2665	}
2666	}
2667	return S_OK;
2668	}
2669
2670	HRESULT Display::detachScreens(const std::vector<LONG> &aScreenIds)
2671	{
2672	NOREF(aScreenIds);
2673	return E_NOTIMPL;
2674	}
2675
2676	HRESULT Display::createGuestScreenInfo(ULONG aDisplay,
2677	GuestMonitorStatus_T aStatus,
2678	BOOL aPrimary,
2679	BOOL aChangeOrigin,
2680	LONG aOriginX,
2681	LONG aOriginY,
2682	ULONG aWidth,
2683	ULONG aHeight,
2684	ULONG aBitsPerPixel,
2685	ComPtr<IGuestScreenInfo> &aGuestScreenInfo)
2686	{
2687	/* Create a new object. */
2688	ComObjPtr<GuestScreenInfo> obj;
2689	HRESULT hr = obj.createObject();
2690	if (SUCCEEDED(hr))
2691	hr = obj->init(aDisplay, aStatus, aPrimary, aChangeOrigin, aOriginX, aOriginY,
2692	aWidth, aHeight, aBitsPerPixel);
2693	if (SUCCEEDED(hr))
2694	obj.queryInterfaceTo(aGuestScreenInfo.asOutParam());
2695
2696	return hr;
2697	}
2698
2699
2700	/*
2701	* GuestScreenInfo implementation.
2702	*/
2703	DEFINE_EMPTY_CTOR_DTOR(GuestScreenInfo)
2704
2705	HRESULT GuestScreenInfo::FinalConstruct()
2706	{
2707	return BaseFinalConstruct();
2708	}
2709
2710	void GuestScreenInfo::FinalRelease()
2711	{
2712	uninit();
2713
2714	BaseFinalRelease();
2715	}
2716
2717	HRESULT GuestScreenInfo::init(ULONG aDisplay,
2718	GuestMonitorStatus_T aGuestMonitorStatus,
2719	BOOL aPrimary,
2720	BOOL aChangeOrigin,
2721	LONG aOriginX,
2722	LONG aOriginY,
2723	ULONG aWidth,
2724	ULONG aHeight,
2725	ULONG aBitsPerPixel)
2726	{
2727	LogFlowThisFunc(("[%u]\n", aDisplay));
2728
2729	/* Enclose the state transition NotReady->InInit->Ready */
2730	AutoInitSpan autoInitSpan(this);
2731	AssertReturn(autoInitSpan.isOk(), E_FAIL);
2732
2733	mScreenId = aDisplay;
2734	mGuestMonitorStatus = aGuestMonitorStatus;
2735	mPrimary = aPrimary;
2736	mOrigin = aChangeOrigin;
2737	mOriginX = aOriginX;
2738	mOriginY = aOriginY;
2739	mWidth = aWidth;
2740	mHeight = aHeight;
2741	mBitsPerPixel = aBitsPerPixel;
2742
2743	/* Confirm a successful initialization */
2744	autoInitSpan.setSucceeded();
2745
2746	return S_OK;
2747	}
2748
2749	void GuestScreenInfo::uninit()
2750	{
2751	/* Enclose the state transition Ready->InUninit->NotReady */
2752	AutoUninitSpan autoUninitSpan(this);
2753	if (autoUninitSpan.uninitDone())
2754	return;
2755
2756	LogFlowThisFunc(("[%u]\n", mScreenId));
2757	}
2758
2759	HRESULT GuestScreenInfo::getScreenId(ULONG *aScreenId)
2760	{
2761	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2762	*aScreenId = mScreenId;
2763	return S_OK;
2764	}
2765
2766	HRESULT GuestScreenInfo::getGuestMonitorStatus(GuestMonitorStatus_T *aGuestMonitorStatus)
2767	{
2768	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2769	*aGuestMonitorStatus = mGuestMonitorStatus;
2770	return S_OK;
2771	}
2772
2773	HRESULT GuestScreenInfo::getPrimary(BOOL *aPrimary)
2774	{
2775	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2776	*aPrimary = mPrimary;
2777	return S_OK;
2778	}
2779
2780	HRESULT GuestScreenInfo::getOrigin(BOOL *aOrigin)
2781	{
2782	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2783	*aOrigin = mOrigin;
2784	return S_OK;
2785	}
2786
2787	HRESULT GuestScreenInfo::getOriginX(LONG *aOriginX)
2788	{
2789	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2790	*aOriginX = mOriginX;
2791	return S_OK;
2792	}
2793
2794	HRESULT GuestScreenInfo::getOriginY(LONG *aOriginY)
2795	{
2796	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2797	*aOriginY = mOriginY;
2798	return S_OK;
2799	}
2800
2801	HRESULT GuestScreenInfo::getWidth(ULONG *aWidth)
2802	{
2803	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2804	*aWidth = mWidth;
2805	return S_OK;
2806	}
2807
2808	HRESULT GuestScreenInfo::getHeight(ULONG *aHeight)
2809	{
2810	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2811	*aHeight = mHeight;
2812	return S_OK;
2813	}
2814
2815	HRESULT GuestScreenInfo::getBitsPerPixel(ULONG *aBitsPerPixel)
2816	{
2817	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2818	*aBitsPerPixel = mBitsPerPixel;
2819	return S_OK;
2820	}
2821
2822	HRESULT GuestScreenInfo::getExtendedInfo(com::Utf8Str &aExtendedInfo)
2823	{
2824	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2825	aExtendedInfo = com::Utf8Str();
2826	return S_OK;
2827	}
2828
2829	// wrapped IEventListener method
2830	HRESULT Display::handleEvent(const ComPtr<IEvent> &aEvent)
2831	{
2832	VBoxEventType_T aType = VBoxEventType_Invalid;
2833
2834	aEvent->COMGETTER(Type)(&aType);
2835	switch (aType)
2836	{
2837	case VBoxEventType_OnStateChanged:
2838	{
2839	ComPtr<IStateChangedEvent> scev = aEvent;
2840	Assert(scev);
2841	MachineState_T machineState;
2842	scev->COMGETTER(State)(&machineState);
2843	if ( machineState == MachineState_Running
2844	\|\| machineState == MachineState_Teleporting
2845	\|\| machineState == MachineState_LiveSnapshotting
2846	\|\| machineState == MachineState_DeletingSnapshotOnline
2847	)
2848	{
2849	LogRelFlowFunc(("Machine is running.\n"));
2850
2851	}
2852	break;
2853	}
2854	default:
2855	AssertFailed();
2856	}
2857
2858	return S_OK;
2859	}
2860
2861
2862	// private methods
2863	/////////////////////////////////////////////////////////////////////////////
2864
2865	/**
2866	* Handle display resize event issued by the VGA device for the primary screen.
2867	*
2868	* @see PDMIDISPLAYCONNECTOR::pfnResize
2869	*/
2870	DECLCALLBACK(int) Display::i_displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface,
2871	uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy)
2872	{
2873	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2874	Display *pThis = pDrv->pDisplay;
2875
2876	LogRelFlowFunc(("bpp %d, pvVRAM %p, cbLine %d, cx %d, cy %d\n",
2877	bpp, pvVRAM, cbLine, cx, cy));
2878
2879	bool f = ASMAtomicCmpXchgBool(&pThis->fVGAResizing, true, false);
2880	if (!f)
2881	{
2882	/* This is a result of recursive call when the source bitmap is being updated
2883	* during a VGA resize. Tell the VGA device to ignore the call.
2884	*
2885	* @todo It is a workaround, actually pfnUpdateDisplayAll must
2886	* fail on resize.
2887	*/
2888	LogRel(("displayResizeCallback: already processing\n"));
2889	return VINF_VGA_RESIZE_IN_PROGRESS;
2890	}
2891
2892	int rc = pThis->i_handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, bpp, pvVRAM, cbLine, cx, cy, 0, 0, 0, true);
2893
2894	/* Restore the flag. */
2895	f = ASMAtomicCmpXchgBool(&pThis->fVGAResizing, false, true);
2896	AssertRelease(f);
2897
2898	return rc;
2899	}
2900
2901	/**
2902	* Handle display update.
2903	*
2904	* @see PDMIDISPLAYCONNECTOR::pfnUpdateRect
2905	*/
2906	DECLCALLBACK(void) Display::i_displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
2907	uint32_t x, uint32_t y, uint32_t cx, uint32_t cy)
2908	{
2909	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2910
2911	#ifdef DEBUG_sunlover
2912	LogFlowFunc(("fVideoAccelEnabled = %d, %d,%d %dx%d\n",
2913	pDrv->pDisplay->mVideoAccelLegacy.fVideoAccelEnabled, x, y, cx, cy));
2914	#endif /* DEBUG_sunlover */
2915
2916	/* This call does update regardless of VBVA status.
2917	* But in VBVA mode this is called only as result of
2918	* pfnUpdateDisplayAll in the VGA device.
2919	*/
2920
2921	pDrv->pDisplay->i_handleDisplayUpdate(VBOX_VIDEO_PRIMARY_SCREEN, x, y, cx, cy);
2922	}
2923
2924	/**
2925	* Periodic display refresh callback.
2926	*
2927	* @see PDMIDISPLAYCONNECTOR::pfnRefresh
2928	* @thread EMT
2929	*/
2930	/static/ DECLCALLBACK(void) Display::i_displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface)
2931	{
2932	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2933
2934	#ifdef DEBUG_sunlover_2
2935	LogFlowFunc(("pDrv->pDisplay->mfVideoAccelEnabled = %d\n",
2936	pDrv->pDisplay->mfVideoAccelEnabled));
2937	#endif /* DEBUG_sunlover_2 */
2938
2939	Display *pDisplay = pDrv->pDisplay;
2940	unsigned uScreenId;
2941
2942	int rc = pDisplay->i_videoAccelRefreshProcess(pDrv->pUpPort);
2943	if (rc != VINF_TRY_AGAIN) /* Means 'do nothing' here. */
2944	{
2945	if (rc == VWRN_INVALID_STATE)
2946	{
2947	/* No VBVA do a display update. */
2948	pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
2949	}
2950
2951	/* Inform the VRDP server that the current display update sequence is
2952	* completed. At this moment the framebuffer memory contains a definite
2953	* image, that is synchronized with the orders already sent to VRDP client.
2954	* The server can now process redraw requests from clients or initial
2955	* fullscreen updates for new clients.
2956	*/
2957	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2958	{
2959	Assert(pDisplay->mParent && pDisplay->mParent->i_consoleVRDPServer());
2960	pDisplay->mParent->i_consoleVRDPServer()->SendUpdate(uScreenId, NULL, 0);
2961	}
2962	}
2963
2964	#ifdef VBOX_WITH_RECORDING
2965	AssertPtr(pDisplay->mParent);
2966	RecordingContext *pCtx = pDisplay->mParent->i_recordingGetContext();
2967
2968	if ( pCtx
2969	&& pCtx->IsStarted()
2970	&& pCtx->IsFeatureEnabled(RecordingFeature_Video))
2971	{
2972	do
2973	{
2974	/* If the recording context has reached the configured recording
2975	* limit, disable recording. */
2976	if (pCtx->IsLimitReached())
2977	{
2978	pDisplay->mParent->i_onRecordingChange(FALSE /* Disable */);
2979	break;
2980	}
2981
2982	uint64_t tsNowMs = RTTimeProgramMilliTS();
2983	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2984	{
2985	if (!pDisplay->maRecordingEnabled[uScreenId])
2986	continue;
2987
2988	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
2989	if (!pFBInfo->fDisabled)
2990	{
2991	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
2992	int rc2 = RTCritSectEnter(&pDisplay->mVideoRecLock);
2993	if (RT_SUCCESS(rc2))
2994	{
2995	pSourceBitmap = pFBInfo->Recording.pSourceBitmap;
2996	RTCritSectLeave(&pDisplay->mVideoRecLock);
2997	}
2998
2999	if (!pSourceBitmap.isNull())
3000	{
3001	BYTE *pbAddress = NULL;
3002	ULONG ulWidth = 0;
3003	ULONG ulHeight = 0;
3004	ULONG ulBitsPerPixel = 0;
3005	ULONG ulBytesPerLine = 0;
3006	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
3007	HRESULT hr = pSourceBitmap->QueryBitmapInfo(&pbAddress,
3008	&ulWidth,
3009	&ulHeight,
3010	&ulBitsPerPixel,
3011	&ulBytesPerLine,
3012	&bitmapFormat);
3013	if (SUCCEEDED(hr) && pbAddress)
3014	rc = pCtx->SendVideoFrame(uScreenId, 0, 0, BitmapFormat_BGR,
3015	ulBitsPerPixel, ulBytesPerLine, ulWidth, ulHeight,
3016	pbAddress, tsNowMs);
3017	else
3018	rc = VERR_NOT_SUPPORTED;
3019
3020	pSourceBitmap.setNull();
3021	}
3022	else
3023	rc = VERR_NOT_SUPPORTED;
3024
3025	if (rc == VINF_TRY_AGAIN)
3026	break;
3027	}
3028	}
3029	} while (0);
3030	}
3031	#endif /* VBOX_WITH_RECORDING */
3032
3033	#ifdef DEBUG_sunlover_2
3034	LogFlowFunc(("leave\n"));
3035	#endif /* DEBUG_sunlover_2 */
3036	}
3037
3038	/**
3039	* Reset notification
3040	*
3041	* @see PDMIDISPLAYCONNECTOR::pfnReset
3042	*/
3043	DECLCALLBACK(void) Display::i_displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface)
3044	{
3045	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3046
3047	LogRelFlowFunc(("\n"));
3048
3049	/* Disable VBVA mode. */
3050	pDrv->pDisplay->VideoAccelEnableVGA(false, NULL);
3051	}
3052
3053	/**
3054	* LFBModeChange notification
3055	*
3056	* @see PDMIDISPLAYCONNECTOR::pfnLFBModeChange
3057	*/
3058	DECLCALLBACK(void) Display::i_displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled)
3059	{
3060	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3061
3062	LogRelFlowFunc(("fEnabled=%d\n", fEnabled));
3063
3064	NOREF(fEnabled);
3065
3066	/* Disable VBVA mode in any case. The guest driver reenables VBVA mode if necessary. */
3067	pDrv->pDisplay->VideoAccelEnableVGA(false, NULL);
3068	}
3069
3070	/**
3071	* Adapter information change notification.
3072	*
3073	* @see PDMIDISPLAYCONNECTOR::pfnProcessAdapterData
3074	*/
3075	DECLCALLBACK(void) Display::i_displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM,
3076	uint32_t u32VRAMSize)
3077	{
3078	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3079	pDrv->pDisplay->processAdapterData(pvVRAM, u32VRAMSize);
3080	}
3081
3082	/**
3083	* Display information change notification.
3084	*
3085	* @see PDMIDISPLAYCONNECTOR::pfnProcessDisplayData
3086	*/
3087	DECLCALLBACK(void) Display::i_displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
3088	void *pvVRAM, unsigned uScreenId)
3089	{
3090	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3091	pDrv->pDisplay->processDisplayData(pvVRAM, uScreenId);
3092	}
3093
3094	#ifdef VBOX_WITH_VIDEOHWACCEL
3095
3096	int Display::i_handleVHWACommandProcess(int enmCmd, bool fGuestCmd, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand)
3097	{
3098	/* bugref:9691 Disable the legacy VHWA interface.
3099	* Keep the host commands enabled because they are needed when an old saved state is loaded.
3100	*/
3101	if (fGuestCmd)
3102	return VERR_NOT_IMPLEMENTED;
3103
3104	unsigned id = (unsigned)pCommand->iDisplay;
3105	if (id >= mcMonitors)
3106	return VERR_INVALID_PARAMETER;
3107
3108	ComPtr<IFramebuffer> pFramebuffer;
3109	AutoReadLock arlock(this COMMA_LOCKVAL_SRC_POS);
3110	pFramebuffer = maFramebuffers[id].pFramebuffer;
3111	bool fVHWASupported = RT_BOOL(maFramebuffers[id].u32Caps & FramebufferCapabilities_VHWA);
3112	arlock.release();
3113
3114	if (pFramebuffer == NULL \|\| !fVHWASupported)
3115	return VERR_NOT_IMPLEMENTED; /* Implementation is not available. */
3116
3117	HRESULT hr = pFramebuffer->ProcessVHWACommand((BYTE *)pCommand, enmCmd, fGuestCmd);
3118	if (hr == S_FALSE)
3119	return VINF_SUCCESS;
3120	if (SUCCEEDED(hr))
3121	return VINF_CALLBACK_RETURN;
3122	if (hr == E_ACCESSDENIED)
3123	return VERR_INVALID_STATE; /* notify we can not handle request atm */
3124	if (hr == E_NOTIMPL)
3125	return VERR_NOT_IMPLEMENTED;
3126	return VERR_GENERAL_FAILURE;
3127	}
3128
3129	DECLCALLBACK(int) Display::i_displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, int enmCmd, bool fGuestCmd,
3130	VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand)
3131	{
3132	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3133
3134	return pDrv->pDisplay->i_handleVHWACommandProcess(enmCmd, fGuestCmd, pCommand);
3135	}
3136
3137	#endif /* VBOX_WITH_VIDEOHWACCEL */
3138
3139	int Display::i_handle3DNotifyProcess(VBOX3DNOTIFY *p3DNotify)
3140	{
3141	unsigned const id = (unsigned)p3DNotify->iDisplay;
3142	if (id >= mcMonitors)
3143	return VERR_INVALID_PARAMETER;
3144
3145	ComPtr<IFramebuffer> pFramebuffer;
3146	AutoReadLock arlock(this COMMA_LOCKVAL_SRC_POS);
3147	pFramebuffer = maFramebuffers[id].pFramebuffer;
3148	arlock.release();
3149
3150	int rc = VINF_SUCCESS;
3151
3152	if (!pFramebuffer.isNull())
3153	{
3154	if (p3DNotify->enmNotification == VBOX3D_NOTIFY_TYPE_HW_OVERLAY_GET_ID)
3155	{
3156	LONG64 winId = 0;
3157	HRESULT hr = pFramebuffer->COMGETTER(WinId)(&winId);
3158	if (SUCCEEDED(hr))
3159	{
3160	(uint64_t )&p3DNotify->au8Data[0] = winId;
3161	}
3162	else
3163	rc = VERR_NOT_SUPPORTED;
3164	}
3165	else
3166	{
3167	com::SafeArray<BYTE> data;
3168	data.initFrom((BYTE *)&p3DNotify->au8Data[0], p3DNotify->cbData);
3169
3170	HRESULT hr = pFramebuffer->Notify3DEvent((ULONG)p3DNotify->enmNotification, ComSafeArrayAsInParam(data));
3171	if (FAILED(hr))
3172	rc = VERR_NOT_SUPPORTED;
3173	}
3174	}
3175	else
3176	rc = VERR_NOT_IMPLEMENTED;
3177
3178	return rc;
3179	}
3180
3181	DECLCALLBACK(int) Display::i_display3DNotifyProcess(PPDMIDISPLAYCONNECTOR pInterface,
3182	VBOX3DNOTIFY *p3DNotify)
3183	{
3184	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3185	return pDrv->pDisplay->i_handle3DNotifyProcess(p3DNotify);
3186	}
3187
3188	HRESULT Display::notifyScaleFactorChange(ULONG aScreenId, ULONG aScaleFactorWMultiplied, ULONG aScaleFactorHMultiplied)
3189	{
3190	RT_NOREF(aScreenId, aScaleFactorWMultiplied, aScaleFactorHMultiplied);
3191	# if 0 /** @todo Thank you so very much from anyone using VMSVGA3d! */
3192	AssertMsgFailed(("Attempt to specify OpenGL content scale factor while 3D acceleration is disabled in VM config. Ignored.\n"));
3193	# else
3194	/* Need an interface like this here (and the #ifdefs needs adjusting):
3195	PPDMIDISPLAYPORT pUpPort = mpDrv ? mpDrv->pUpPort : NULL;
3196	if (pUpPort && pUpPort->pfnSetScaleFactor)
3197	pUpPort->pfnSetScaleFactor(pUpPort, aScreeId, aScaleFactorWMultiplied, aScaleFactorHMultiplied); */
3198	# endif
3199	return S_OK;
3200	}
3201
3202	HRESULT Display::notifyHiDPIOutputPolicyChange(BOOL fUnscaledHiDPI)
3203	{
3204	RT_NOREF(fUnscaledHiDPI);
3205
3206	/* Need an interface like this here (and the #ifdefs needs adjusting):
3207	PPDMIDISPLAYPORT pUpPort = mpDrv ? mpDrv->pUpPort : NULL;
3208	if (pUpPort && pUpPort->pfnSetScaleFactor)
3209	pUpPort->pfnSetScaleFactor(pUpPort, aScreeId, aScaleFactorWMultiplied, aScaleFactorHMultiplied); */
3210
3211	return S_OK;
3212	}
3213
3214	#ifdef VBOX_WITH_HGSMI
3215	/**
3216	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVAEnable}
3217	*/
3218	DECLCALLBACK(int) Display::i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
3219	VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pHostFlags)
3220	{
3221	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
3222
3223	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3224	Display *pThis = pDrv->pDisplay;
3225	AssertReturn(uScreenId < pThis->mcMonitors, VERR_INVALID_PARAMETER);
3226
3227	if (pThis->maFramebuffers[uScreenId].fVBVAEnabled)
3228	{
3229	LogRel(("Enabling different vbva mode\n"));
3230	#ifdef DEBUG_misha
3231	AssertMsgFailed(("enabling different vbva mode\n"));
3232	#endif
3233	return VERR_INVALID_STATE;
3234	}
3235
3236	pThis->maFramebuffers[uScreenId].fVBVAEnabled = true;
3237	pThis->maFramebuffers[uScreenId].pVBVAHostFlags = pHostFlags;
3238	pThis->maFramebuffers[uScreenId].fVBVAForceResize = true;
3239
3240	vbvaSetMemoryFlagsHGSMI(uScreenId, pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, &pThis->maFramebuffers[uScreenId]);
3241
3242	return VINF_SUCCESS;
3243	}
3244
3245	/**
3246	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVADisable}
3247	*/
3248	DECLCALLBACK(void) Display::i_displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3249	{
3250	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
3251
3252	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3253	Display *pThis = pDrv->pDisplay;
3254	AssertReturnVoid(uScreenId < pThis->mcMonitors);
3255
3256	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3257
3258	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3259	{
3260	/* Make sure that the primary screen is visible now.
3261	* The guest can't use VBVA anymore, so only only the VGA device output works.
3262	*/
3263	pFBInfo->flags = 0;
3264	if (pFBInfo->fDisabled)
3265	{
3266	pFBInfo->fDisabled = false;
3267	::FireGuestMonitorChangedEvent(pThis->mParent->i_getEventSource(), GuestMonitorChangedEventType_Enabled, uScreenId,
3268	pFBInfo->xOrigin, pFBInfo->yOrigin, pFBInfo->w, pFBInfo->h);
3269	}
3270	}
3271
3272	pFBInfo->fVBVAEnabled = false;
3273	pFBInfo->fVBVAForceResize = false;
3274
3275	vbvaSetMemoryFlagsHGSMI(uScreenId, 0, false, pFBInfo);
3276
3277	pFBInfo->pVBVAHostFlags = NULL;
3278
3279	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3280	{
3281	/* Force full screen update, because VGA device must take control, do resize, etc. */
3282	pThis->mpDrv->pUpPort->pfnUpdateDisplayAll(pThis->mpDrv->pUpPort, /* fFailOnResize = */ false);
3283	}
3284	}
3285
3286	DECLCALLBACK(void) Display::i_displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3287	{
3288	RT_NOREF(uScreenId);
3289	LogFlowFunc(("uScreenId %d\n", uScreenId));
3290
3291	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3292	Display *pThis = pDrv->pDisplay;
3293
3294	if (ASMAtomicReadU32(&pThis->mu32UpdateVBVAFlags) > 0)
3295	{
3296	vbvaSetMemoryFlagsAllHGSMI(pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, pThis->maFramebuffers,
3297	pThis->mcMonitors);
3298	ASMAtomicDecU32(&pThis->mu32UpdateVBVAFlags);
3299	}
3300	}
3301
3302	/**
3303	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVAUpdateProcess}
3304	*/
3305	DECLCALLBACK(void) Display::i_displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
3306	struct VBVACMDHDR const RT_UNTRUSTED_VOLATILE_GUEST *pCmd, size_t cbCmd)
3307	{
3308	LogFlowFunc(("uScreenId %d pCmd %p cbCmd %d, @%d,%d %dx%d\n", uScreenId, pCmd, cbCmd, pCmd->x, pCmd->y, pCmd->w, pCmd->h));
3309	VBVACMDHDR hdrSaved;
3310	RT_COPY_VOLATILE(hdrSaved, *pCmd);
3311	RT_UNTRUSTED_NONVOLATILE_COPY_FENCE();
3312
3313	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3314	Display *pThis = pDrv->pDisplay;
3315	DISPLAYFBINFO *pFBInfo;
3316	AssertReturnVoid(uScreenId < pThis->mcMonitors);
3317
3318	pFBInfo = &pThis->maFramebuffers[uScreenId];
3319
3320	if (pFBInfo->fDefaultFormat)
3321	{
3322	/* Make sure that framebuffer contains the same image as the guest VRAM. */
3323	if ( uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
3324	&& !pFBInfo->fDisabled)
3325	{
3326	pDrv->pUpPort->pfnUpdateDisplayRect(pDrv->pUpPort, hdrSaved.x, hdrSaved.y, hdrSaved.w, hdrSaved.h);
3327	}
3328	else if ( !pFBInfo->pSourceBitmap.isNull()
3329	&& !pFBInfo->fDisabled)
3330	{
3331	/* Render VRAM content to the framebuffer. */
3332	BYTE *pAddress = NULL;
3333	ULONG ulWidth = 0;
3334	ULONG ulHeight = 0;
3335	ULONG ulBitsPerPixel = 0;
3336	ULONG ulBytesPerLine = 0;
3337	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
3338
3339	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
3340	&ulWidth,
3341	&ulHeight,
3342	&ulBitsPerPixel,
3343	&ulBytesPerLine,
3344	&bitmapFormat);
3345	if (SUCCEEDED(hrc))
3346	{
3347	uint32_t width = hdrSaved.w;
3348	uint32_t height = hdrSaved.h;
3349
3350	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
3351	int32_t xSrc = hdrSaved.x - pFBInfo->xOrigin;
3352	int32_t ySrc = hdrSaved.y - pFBInfo->yOrigin;
3353	uint32_t u32SrcWidth = pFBInfo->w;
3354	uint32_t u32SrcHeight = pFBInfo->h;
3355	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
3356	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
3357
3358	uint8_t *pu8Dst = pAddress;
3359	int32_t xDst = xSrc;
3360	int32_t yDst = ySrc;
3361	uint32_t u32DstWidth = u32SrcWidth;
3362	uint32_t u32DstHeight = u32SrcHeight;
3363	uint32_t u32DstLineSize = u32DstWidth * 4;
3364	uint32_t u32DstBitsPerPixel = 32;
3365
3366	pDrv->pUpPort->pfnCopyRect(pDrv->pUpPort,
3367	width, height,
3368	pu8Src,
3369	xSrc, ySrc,
3370	u32SrcWidth, u32SrcHeight,
3371	u32SrcLineSize, u32SrcBitsPerPixel,
3372	pu8Dst,
3373	xDst, yDst,
3374	u32DstWidth, u32DstHeight,
3375	u32DstLineSize, u32DstBitsPerPixel);
3376	}
3377	}
3378	}
3379
3380	/*
3381	* Here is your classic 'temporary' solution.
3382	*/
3383	/** @todo New SendUpdate entry which can get a separate cmd header or coords. */
3384	VBVACMDHDR pHdrUnconst = (VBVACMDHDR )pCmd;
3385
3386	pHdrUnconst->x -= (int16_t)pFBInfo->xOrigin;
3387	pHdrUnconst->y -= (int16_t)pFBInfo->yOrigin;
3388
3389	pThis->mParent->i_consoleVRDPServer()->SendUpdate(uScreenId, pHdrUnconst, (uint32_t)cbCmd);
3390
3391	*pHdrUnconst = hdrSaved;
3392	}
3393
3394	DECLCALLBACK(void) Display::i_displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y,
3395	uint32_t cx, uint32_t cy)
3396	{
3397	LogFlowFunc(("uScreenId %d %d,%d %dx%d\n", uScreenId, x, y, cx, cy));
3398
3399	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3400	Display *pThis = pDrv->pDisplay;
3401	DISPLAYFBINFO *pFBInfo;
3402	AssertReturnVoid(uScreenId < pThis->mcMonitors);
3403
3404	pFBInfo = &pThis->maFramebuffers[uScreenId];
3405
3406	/** @todo handleFramebufferUpdate (uScreenId,
3407	* x - pThis->maFramebuffers[uScreenId].xOrigin,
3408	* y - pThis->maFramebuffers[uScreenId].yOrigin,
3409	* cx, cy);
3410	*/
3411	pThis->i_handleDisplayUpdate(uScreenId, x - pFBInfo->xOrigin, y - pFBInfo->yOrigin, cx, cy);
3412	}
3413
3414	#ifdef DEBUG_sunlover
3415	static void logVBVAResize(PCVBVAINFOVIEW pView, PCVBVAINFOSCREEN pScreen, const DISPLAYFBINFO *pFBInfo)
3416	{
3417	LogRel(("displayVBVAResize: [%d] %s\n"
3418	" pView->u32ViewIndex %d\n"
3419	" pView->u32ViewOffset 0x%08X\n"
3420	" pView->u32ViewSize 0x%08X\n"
3421	" pView->u32MaxScreenSize 0x%08X\n"
3422	" pScreen->i32OriginX %d\n"
3423	" pScreen->i32OriginY %d\n"
3424	" pScreen->u32StartOffset 0x%08X\n"
3425	" pScreen->u32LineSize 0x%08X\n"
3426	" pScreen->u32Width %d\n"
3427	" pScreen->u32Height %d\n"
3428	" pScreen->u16BitsPerPixel %d\n"
3429	" pScreen->u16Flags 0x%04X\n"
3430	" pFBInfo->u32Offset 0x%08X\n"
3431	" pFBInfo->u32MaxFramebufferSize 0x%08X\n"
3432	" pFBInfo->u32InformationSize 0x%08X\n"
3433	" pFBInfo->fDisabled %d\n"
3434	" xOrigin, yOrigin, w, h: %d,%d %dx%d\n"
3435	" pFBInfo->u16BitsPerPixel %d\n"
3436	" pFBInfo->pu8FramebufferVRAM %p\n"
3437	" pFBInfo->u32LineSize 0x%08X\n"
3438	" pFBInfo->flags 0x%04X\n"
3439	" pFBInfo->pHostEvents %p\n"
3440	" pFBInfo->fDefaultFormat %d\n"
3441	" pFBInfo->fVBVAEnabled %d\n"
3442	" pFBInfo->fVBVAForceResize %d\n"
3443	" pFBInfo->pVBVAHostFlags %p\n"
3444	"",
3445	pScreen->u32ViewIndex,
3446	(pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)? "DISABLED": "ENABLED",
3447	pView->u32ViewIndex,
3448	pView->u32ViewOffset,
3449	pView->u32ViewSize,
3450	pView->u32MaxScreenSize,
3451	pScreen->i32OriginX,
3452	pScreen->i32OriginY,
3453	pScreen->u32StartOffset,
3454	pScreen->u32LineSize,
3455	pScreen->u32Width,
3456	pScreen->u32Height,
3457	pScreen->u16BitsPerPixel,
3458	pScreen->u16Flags,
3459	pFBInfo->u32Offset,
3460	pFBInfo->u32MaxFramebufferSize,
3461	pFBInfo->u32InformationSize,
3462	pFBInfo->fDisabled,
3463	pFBInfo->xOrigin,
3464	pFBInfo->yOrigin,
3465	pFBInfo->w,
3466	pFBInfo->h,
3467	pFBInfo->u16BitsPerPixel,
3468	pFBInfo->pu8FramebufferVRAM,
3469	pFBInfo->u32LineSize,
3470	pFBInfo->flags,
3471	pFBInfo->pHostEvents,
3472	pFBInfo->fDefaultFormat,
3473	pFBInfo->fVBVAEnabled,
3474	pFBInfo->fVBVAForceResize,
3475	pFBInfo->pVBVAHostFlags
3476	));
3477	}
3478	#endif /* DEBUG_sunlover */
3479
3480	DECLCALLBACK(int) Display::i_displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, PCVBVAINFOVIEW pView,
3481	PCVBVAINFOSCREEN pScreen, void *pvVRAM, bool fResetInputMapping)
3482	{
3483	LogRelFlowFunc(("pScreen %p, pvVRAM %p\n", pScreen, pvVRAM));
3484
3485	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3486	Display *pThis = pDrv->pDisplay;
3487
3488	return pThis->processVBVAResize(pView, pScreen, pvVRAM, fResetInputMapping);
3489	}
3490
3491	int Display::processVBVAResize(PCVBVAINFOVIEW pView, PCVBVAINFOSCREEN pScreen, void *pvVRAM, bool fResetInputMapping)
3492	{
3493	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3494
3495	RT_NOREF(pView);
3496
3497	DISPLAYFBINFO *pFBInfo = &maFramebuffers[pScreen->u32ViewIndex];
3498
3499	#ifdef DEBUG_sunlover
3500	logVBVAResize(pView, pScreen, pFBInfo);
3501	#endif
3502
3503	if (pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)
3504	{
3505	/* Ask the framebuffer to resize using a default format. The framebuffer will be black.
3506	* So if the frontend does not support GuestMonitorChangedEventType_Disabled event,
3507	* the VM window will be black. */
3508	uint32_t u32Width = pFBInfo->w ? pFBInfo->w : 640;
3509	uint32_t u32Height = pFBInfo->h ? pFBInfo->h : 480;
3510	int32_t xOrigin = pFBInfo->xOrigin;
3511	int32_t yOrigin = pFBInfo->yOrigin;
3512
3513	alock.release();
3514
3515	i_handleDisplayResize(pScreen->u32ViewIndex, 0, (uint8_t *)NULL, 0,
3516	u32Width, u32Height, pScreen->u16Flags, xOrigin, yOrigin, false);
3517
3518	return VINF_SUCCESS;
3519	}
3520
3521	VBVAINFOSCREEN screenInfo;
3522	RT_ZERO(screenInfo);
3523
3524	if (pScreen->u16Flags & VBVA_SCREEN_F_BLANK2)
3525	{
3526	/* Init a local VBVAINFOSCREEN structure, which will be used instead of
3527	* the original pScreen. Set VBVA_SCREEN_F_BLANK, which will force
3528	* the code below to choose the "blanking" branches.
3529	*/
3530	screenInfo.u32ViewIndex = pScreen->u32ViewIndex;
3531	screenInfo.i32OriginX = pFBInfo->xOrigin;
3532	screenInfo.i32OriginY = pFBInfo->yOrigin;
3533	screenInfo.u32StartOffset = 0; /* Irrelevant */
3534	screenInfo.u32LineSize = pFBInfo->u32LineSize;
3535	screenInfo.u32Width = pFBInfo->w;
3536	screenInfo.u32Height = pFBInfo->h;
3537	screenInfo.u16BitsPerPixel = pFBInfo->u16BitsPerPixel;
3538	screenInfo.u16Flags = pScreen->u16Flags \| VBVA_SCREEN_F_BLANK;
3539
3540	pScreen = &screenInfo;
3541	}
3542
3543	if (fResetInputMapping)
3544	{
3545	/// @todo Rename to m* and verify whether some kind of lock is required.
3546	xInputMappingOrigin = 0;
3547	yInputMappingOrigin = 0;
3548	cxInputMapping = 0;
3549	cyInputMapping = 0;
3550	}
3551
3552	alock.release();
3553
3554	return i_handleDisplayResize(pScreen->u32ViewIndex, pScreen->u16BitsPerPixel,
3555	(uint8_t *)pvVRAM + pScreen->u32StartOffset,
3556	pScreen->u32LineSize, pScreen->u32Width, pScreen->u32Height, pScreen->u16Flags,
3557	pScreen->i32OriginX, pScreen->i32OriginY, false);
3558	}
3559
3560	DECLCALLBACK(int) Display::i_displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
3561	uint32_t xHot, uint32_t yHot,
3562	uint32_t cx, uint32_t cy,
3563	const void *pvShape)
3564	{
3565	LogFlowFunc(("\n"));
3566	LogRel2(("%s: fVisible=%RTbool\n", __PRETTY_FUNCTION__, fVisible));
3567
3568	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3569
3570	uint32_t cbShape = 0;
3571	if (pvShape)
3572	{
3573	cbShape = (cx + 7) / 8 * cy; /* size of the AND mask */
3574	cbShape = ((cbShape + 3) & ~3) + cx * 4 * cy; /* + gap + size of the XOR mask */
3575	}
3576
3577	/* Tell the console about it */
3578	pDrv->pDisplay->mParent->i_onMousePointerShapeChange(fVisible, fAlpha,
3579	xHot, yHot, cx, cy, (uint8_t *)pvShape, cbShape);
3580
3581	return VINF_SUCCESS;
3582	}
3583
3584	DECLCALLBACK(void) Display::i_displayVBVAGuestCapabilityUpdate(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fCapabilities)
3585	{
3586	LogFlowFunc(("\n"));
3587
3588	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3589	Display *pThis = pDrv->pDisplay;
3590
3591	pThis->i_handleUpdateGuestVBVACapabilities(fCapabilities);
3592	}
3593
3594	DECLCALLBACK(void) Display::i_displayVBVAInputMappingUpdate(PPDMIDISPLAYCONNECTOR pInterface, int32_t xOrigin, int32_t yOrigin,
3595	uint32_t cx, uint32_t cy)
3596	{
3597	LogFlowFunc(("\n"));
3598
3599	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3600	Display *pThis = pDrv->pDisplay;
3601
3602	pThis->i_handleUpdateVBVAInputMapping(xOrigin, yOrigin, cx, cy);
3603	}
3604
3605	DECLCALLBACK(void) Display::i_displayVBVAReportCursorPosition(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fFlags, uint32_t aScreenId, uint32_t x, uint32_t y)
3606	{
3607	LogFlowFunc(("\n"));
3608	LogRel2(("%s: fFlags=%RU32, aScreenId=%RU32, x=%RU32, y=%RU32\n",
3609	__PRETTY_FUNCTION__, fFlags, aScreenId, x, y));
3610
3611	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3612	Display *pThis = pDrv->pDisplay;
3613
3614	if (fFlags & VBVA_CURSOR_SCREEN_RELATIVE)
3615	{
3616	AssertReturnVoid(aScreenId < pThis->mcMonitors);
3617
3618	x += pThis->maFramebuffers[aScreenId].xOrigin;
3619	y += pThis->maFramebuffers[aScreenId].yOrigin;
3620	}
3621	::FireCursorPositionChangedEvent(pThis->mParent->i_getEventSource(), RT_BOOL(fFlags & VBVA_CURSOR_VALID_DATA), x, y);
3622	}
3623
3624	#endif /* VBOX_WITH_HGSMI */
3625
3626	/**
3627	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
3628	*/
3629	DECLCALLBACK(void ) Display::i_drvQueryInterface(PPDMIBASE pInterface, const char pszIID)
3630	{
3631	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
3632	PDRVMAINDISPLAY pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3633	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
3634	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIDISPLAYCONNECTOR, &pDrv->IConnector);
3635	return NULL;
3636	}
3637
3638
3639	/**
3640	* @interface_method_impl{PDMDRVREG,pfnPowerOff,
3641	* Tries to ensure no client calls gets to HGCM or the VGA device from here on.}
3642	*/
3643	DECLCALLBACK(void) Display::i_drvPowerOff(PPDMDRVINS pDrvIns)
3644	{
3645	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3646	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3647
3648	/*
3649	* Do much of the work that i_drvDestruct does.
3650	*/
3651	if (pThis->pUpPort)
3652	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3653
3654	pThis->IConnector.pbData = NULL;
3655	pThis->IConnector.cbScanline = 0;
3656	pThis->IConnector.cBits = 32;
3657	pThis->IConnector.cx = 0;
3658	pThis->IConnector.cy = 0;
3659
3660	if (pThis->pDisplay)
3661	{
3662	AutoWriteLock displayLock(pThis->pDisplay COMMA_LOCKVAL_SRC_POS);
3663	#ifdef VBOX_WITH_RECORDING
3664	pThis->pDisplay->mParent->i_recordingStop();
3665	#endif
3666	#if defined(VBOX_WITH_VIDEOHWACCEL)
3667	pThis->pVBVACallbacks = NULL;
3668	#endif
3669	}
3670	}
3671
3672
3673	/**
3674	* Destruct a display driver instance.
3675	*
3676	* @returns VBox status code.
3677	* @param pDrvIns The driver instance data.
3678	*/
3679	DECLCALLBACK(void) Display::i_drvDestruct(PPDMDRVINS pDrvIns)
3680	{
3681	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
3682	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3683	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3684
3685	/*
3686	* We repeat much of what i_drvPowerOff does in case it wasn't called.
3687	* In addition we sever the connection between us and the display.
3688	*/
3689	if (pThis->pUpPort)
3690	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3691
3692	pThis->IConnector.pbData = NULL;
3693	pThis->IConnector.cbScanline = 0;
3694	pThis->IConnector.cBits = 32;
3695	pThis->IConnector.cx = 0;
3696	pThis->IConnector.cy = 0;
3697
3698	if (pThis->pDisplay)
3699	{
3700	AutoWriteLock displayLock(pThis->pDisplay COMMA_LOCKVAL_SRC_POS);
3701	#ifdef VBOX_WITH_RECORDING
3702	pThis->pDisplay->mParent->i_recordingStop();
3703	#endif
3704	#if defined(VBOX_WITH_VIDEOHWACCEL)
3705	pThis->pVBVACallbacks = NULL;
3706	#endif
3707
3708	pThis->pDisplay->mpDrv = NULL;
3709	pThis->pDisplay = NULL;
3710	}
3711	#if defined(VBOX_WITH_VIDEOHWACCEL)
3712	pThis->pVBVACallbacks = NULL;
3713	#endif
3714	}
3715
3716
3717	/**
3718	* Construct a display driver instance.
3719	*
3720	* @copydoc FNPDMDRVCONSTRUCT
3721	*/
3722	DECLCALLBACK(int) Display::i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
3723	{
3724	RT_NOREF(fFlags);
3725	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
3726	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3727	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3728
3729	/*
3730	* Validate configuration.
3731	*/
3732	if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
3733	return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
3734	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
3735	("Configuration error: Not possible to attach anything to this driver!\n"),
3736	VERR_PDM_DRVINS_NO_ATTACH);
3737
3738	/*
3739	* Init Interfaces.
3740	*/
3741	pDrvIns->IBase.pfnQueryInterface = Display::i_drvQueryInterface;
3742
3743	pThis->IConnector.pfnResize = Display::i_displayResizeCallback;
3744	pThis->IConnector.pfnUpdateRect = Display::i_displayUpdateCallback;
3745	pThis->IConnector.pfnRefresh = Display::i_displayRefreshCallback;
3746	pThis->IConnector.pfnReset = Display::i_displayResetCallback;
3747	pThis->IConnector.pfnLFBModeChange = Display::i_displayLFBModeChangeCallback;
3748	pThis->IConnector.pfnProcessAdapterData = Display::i_displayProcessAdapterDataCallback;
3749	pThis->IConnector.pfnProcessDisplayData = Display::i_displayProcessDisplayDataCallback;
3750	#ifdef VBOX_WITH_VIDEOHWACCEL
3751	pThis->IConnector.pfnVHWACommandProcess = Display::i_displayVHWACommandProcess;
3752	#endif
3753	#ifdef VBOX_WITH_HGSMI
3754	pThis->IConnector.pfnVBVAEnable = Display::i_displayVBVAEnable;
3755	pThis->IConnector.pfnVBVADisable = Display::i_displayVBVADisable;
3756	pThis->IConnector.pfnVBVAUpdateBegin = Display::i_displayVBVAUpdateBegin;
3757	pThis->IConnector.pfnVBVAUpdateProcess = Display::i_displayVBVAUpdateProcess;
3758	pThis->IConnector.pfnVBVAUpdateEnd = Display::i_displayVBVAUpdateEnd;
3759	pThis->IConnector.pfnVBVAResize = Display::i_displayVBVAResize;
3760	pThis->IConnector.pfnVBVAMousePointerShape = Display::i_displayVBVAMousePointerShape;
3761	pThis->IConnector.pfnVBVAGuestCapabilityUpdate = Display::i_displayVBVAGuestCapabilityUpdate;
3762	pThis->IConnector.pfnVBVAInputMappingUpdate = Display::i_displayVBVAInputMappingUpdate;
3763	pThis->IConnector.pfnVBVAReportCursorPosition = Display::i_displayVBVAReportCursorPosition;
3764	#endif
3765	pThis->IConnector.pfn3DNotifyProcess = Display::i_display3DNotifyProcess;
3766
3767	/*
3768	* Get the IDisplayPort interface of the above driver/device.
3769	*/
3770	pThis->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYPORT);
3771	if (!pThis->pUpPort)
3772	{
3773	AssertMsgFailed(("Configuration error: No display port interface above!\n"));
3774	return VERR_PDM_MISSING_INTERFACE_ABOVE;
3775	}
3776	#if defined(VBOX_WITH_VIDEOHWACCEL)
3777	pThis->pVBVACallbacks = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYVBVACALLBACKS);
3778	if (!pThis->pVBVACallbacks)
3779	{
3780	AssertMsgFailed(("Configuration error: No VBVA callback interface above!\n"));
3781	return VERR_PDM_MISSING_INTERFACE_ABOVE;
3782	}
3783	#endif
3784	/*
3785	* Get the Display object pointer and update the mpDrv member.
3786	*/
3787	void *pv;
3788	int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
3789	if (RT_FAILURE(rc))
3790	{
3791	AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
3792	return rc;
3793	}
3794	Display pDisplay = (Display )pv; /** @todo Check this cast! */
3795	pThis->pDisplay = pDisplay;
3796	pThis->pDisplay->mpDrv = pThis;
3797
3798	/* Disable VRAM to a buffer copy initially. */
3799	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3800	pThis->IConnector.cBits = 32; /* DevVGA does nothing otherwise. */
3801
3802	/*
3803	* Start periodic screen refreshes
3804	*/
3805	pThis->pUpPort->pfnSetRefreshRate(pThis->pUpPort, 20);
3806
3807	return rc;
3808	}
3809
3810
3811	/**
3812	* Display driver registration record.
3813	*/
3814	const PDMDRVREG Display::DrvReg =
3815	{
3816	/* u32Version */
3817	PDM_DRVREG_VERSION,
3818	/* szName */
3819	"MainDisplay",
3820	/* szRCMod */
3821	"",
3822	/* szR0Mod */
3823	"",
3824	/* pszDescription */
3825	"Main display driver (Main as in the API).",
3826	/* fFlags */
3827	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
3828	/* fClass. */
3829	PDM_DRVREG_CLASS_DISPLAY,
3830	/* cMaxInstances */
3831	~0U,
3832	/* cbInstance */
3833	sizeof(DRVMAINDISPLAY),
3834	/* pfnConstruct */
3835	Display::i_drvConstruct,
3836	/* pfnDestruct */
3837	Display::i_drvDestruct,
3838	/* pfnRelocate */
3839	NULL,
3840	/* pfnIOCtl */
3841	NULL,
3842	/* pfnPowerOn */
3843	NULL,
3844	/* pfnReset */
3845	NULL,
3846	/* pfnSuspend */
3847	NULL,
3848	/* pfnResume */
3849	NULL,
3850	/* pfnAttach */
3851	NULL,
3852	/* pfnDetach */
3853	NULL,
3854	/* pfnPowerOff */
3855	Display::i_drvPowerOff,
3856	/* pfnSoftReset */
3857	NULL,
3858	/* u32EndVersion */
3859	PDM_DRVREG_VERSION
3860	};
3861
3862	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/src-client/DisplayImpl.cpp@ 86223

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