DisplayImpl.cpp@ 81355

Last change on this file since 81355 was 80872, checked in by vboxsync, 5 years ago
Devices/Graphics,Main,include: remove obsolete Chromium code. bugref:9529
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1	/* $Id: DisplayImpl.cpp 80872 2019-09-17 20:54:03Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2019 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18	#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
46	#include <VBox/com/array.h>
47
48	#ifdef VBOX_WITH_RECORDING
49	# include <iprt/path.h>
50	# include "Recording.h"
51
52	# ifdef VBOX_WITH_LIBVPX
53	# ifdef _MSC_VER
54	# pragma warning(push)
55	# pragma warning(disable: 4668) /* vpx_codec.h(64) : warning C4668: '__GNUC__' is not defined as a preprocessor macro, replacing with '0' for '#if/#elif' */
56	# include <vpx/vpx_encoder.h>
57	# pragma warning(pop)
58	# else
59	# include <vpx/vpx_encoder.h>
60	# endif
61	# endif
62
63	# include <VBox/vmm/pdmapi.h>
64	# include <VBox/vmm/pdmaudioifs.h>
65	#endif
66
67	/**
68	* Display driver instance data.
69	*
70	* @implements PDMIDISPLAYCONNECTOR
71	*/
72	typedef struct DRVMAINDISPLAY
73	{
74	/** Pointer to the display object. */
75	Display *pDisplay;
76	/** Pointer to the driver instance structure. */
77	PPDMDRVINS pDrvIns;
78	/** Pointer to the keyboard port interface of the driver/device above us. */
79	PPDMIDISPLAYPORT pUpPort;
80	/** Our display connector interface. */
81	PDMIDISPLAYCONNECTOR IConnector;
82	#if defined(VBOX_WITH_VIDEOHWACCEL)
83	/** VBVA callbacks */
84	PPDMIDISPLAYVBVACALLBACKS pVBVACallbacks;
85	#endif
86	} DRVMAINDISPLAY, *PDRVMAINDISPLAY;
87
88	/** Converts PDMIDISPLAYCONNECTOR pointer to a DRVMAINDISPLAY pointer. */
89	#define PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface) RT_FROM_MEMBER(pInterface, DRVMAINDISPLAY, IConnector)
90
91	// constructor / destructor
92	/////////////////////////////////////////////////////////////////////////////
93
94	Display::Display()
95	: mParent(NULL)
96	{
97	}
98
99	Display::~Display()
100	{
101	}
102
103
104	HRESULT Display::FinalConstruct()
105	{
106	int rc = videoAccelConstruct(&mVideoAccelLegacy);
107	AssertRC(rc);
108
109	mfVideoAccelVRDP = false;
110	mfu32SupportedOrders = 0;
111	mcVRDPRefs = 0;
112
113	mfSeamlessEnabled = false;
114	mpRectVisibleRegion = NULL;
115	mcRectVisibleRegion = 0;
116
117	mpDrv = NULL;
118
119	rc = RTCritSectInit(&mVideoAccelLock);
120	AssertRC(rc);
121
122	#ifdef VBOX_WITH_HGSMI
123	mu32UpdateVBVAFlags = 0;
124	mfVMMDevSupportsGraphics = false;
125	mfGuestVBVACapabilities = 0;
126	mfHostCursorCapabilities = 0;
127	#endif
128
129	#ifdef VBOX_WITH_RECORDING
130	rc = RTCritSectInit(&mVideoRecLock);
131	AssertRC(rc);
132
133	for (unsigned i = 0; i < RT_ELEMENTS(maRecordingEnabled); i++)
134	maRecordingEnabled[i] = true;
135	#endif
136
137	return BaseFinalConstruct();
138	}
139
140	void Display::FinalRelease()
141	{
142	uninit();
143
144	#ifdef VBOX_WITH_RECORDING
145	if (RTCritSectIsInitialized(&mVideoRecLock))
146	{
147	RTCritSectDelete(&mVideoRecLock);
148	RT_ZERO(mVideoRecLock);
149	}
150	#endif
151
152	videoAccelDestroy(&mVideoAccelLegacy);
153	i_saveVisibleRegion(0, NULL);
154
155	if (RTCritSectIsInitialized(&mVideoAccelLock))
156	{
157	RTCritSectDelete(&mVideoAccelLock);
158	RT_ZERO(mVideoAccelLock);
159	}
160
161	BaseFinalRelease();
162	}
163
164	// public initializer/uninitializer for internal purposes only
165	/////////////////////////////////////////////////////////////////////////////
166
167	#define kMaxSizeThumbnail 64
168
169	/**
170	* Save thumbnail and screenshot of the guest screen.
171	*/
172	static int displayMakeThumbnail(uint8_t *pbData, uint32_t cx, uint32_t cy,
173	uint8_t *ppu8Thumbnail, uint32_t pcbThumbnail, uint32_t pcxThumbnail, uint32_t pcyThumbnail)
174	{
175	int rc = VINF_SUCCESS;
176
177	uint8_t *pu8Thumbnail = NULL;
178	uint32_t cbThumbnail = 0;
179	uint32_t cxThumbnail = 0;
180	uint32_t cyThumbnail = 0;
181
182	if (cx > cy)
183	{
184	cxThumbnail = kMaxSizeThumbnail;
185	cyThumbnail = (kMaxSizeThumbnail * cy) / cx;
186	}
187	else
188	{
189	cyThumbnail = kMaxSizeThumbnail;
190	cxThumbnail = (kMaxSizeThumbnail * cx) / cy;
191	}
192
193	LogRelFlowFunc(("%dx%d -> %dx%d\n", cx, cy, cxThumbnail, cyThumbnail));
194
195	cbThumbnail = cxThumbnail * 4 * cyThumbnail;
196	pu8Thumbnail = (uint8_t *)RTMemAlloc(cbThumbnail);
197
198	if (pu8Thumbnail)
199	{
200	uint8_t *dst = pu8Thumbnail;
201	uint8_t *src = pbData;
202	int dstW = cxThumbnail;
203	int dstH = cyThumbnail;
204	int srcW = cx;
205	int srcH = cy;
206	int iDeltaLine = cx * 4;
207
208	BitmapScale32(dst,
209	dstW, dstH,
210	src,
211	iDeltaLine,
212	srcW, srcH);
213
214	*ppu8Thumbnail = pu8Thumbnail;
215	*pcbThumbnail = cbThumbnail;
216	*pcxThumbnail = cxThumbnail;
217	*pcyThumbnail = cyThumbnail;
218	}
219	else
220	{
221	rc = VERR_NO_MEMORY;
222	}
223
224	return rc;
225	}
226
227	DECLCALLBACK(void) Display::i_displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser)
228	{
229	Display that = static_cast<Display>(pvUser);
230
231	/* 32bpp small RGB image. */
232	uint8_t *pu8Thumbnail = NULL;
233	uint32_t cbThumbnail = 0;
234	uint32_t cxThumbnail = 0;
235	uint32_t cyThumbnail = 0;
236
237	/* PNG screenshot. */
238	uint8_t *pu8PNG = NULL;
239	uint32_t cbPNG = 0;
240	uint32_t cxPNG = 0;
241	uint32_t cyPNG = 0;
242
243	Console::SafeVMPtr ptrVM(that->mParent);
244	if (ptrVM.isOk())
245	{
246	/* Query RGB bitmap. */
247	/* SSM code is executed on EMT(0), therefore no need to use VMR3ReqCallWait. */
248	uint8_t *pbData = NULL;
249	size_t cbData = 0;
250	uint32_t cx = 0;
251	uint32_t cy = 0;
252	bool fFreeMem = false;
253	int rc = Display::i_displayTakeScreenshotEMT(that, VBOX_VIDEO_PRIMARY_SCREEN, &pbData, &cbData, &cx, &cy, &fFreeMem);
254
255	/*
256	* It is possible that success is returned but everything is 0 or NULL.
257	* (no display attached if a VM is running with VBoxHeadless on OSE for example)
258	*/
259	if (RT_SUCCESS(rc) && pbData)
260	{
261	Assert(cx && cy);
262
263	/* Prepare a small thumbnail and a PNG screenshot. */
264	displayMakeThumbnail(pbData, cx, cy, &pu8Thumbnail, &cbThumbnail, &cxThumbnail, &cyThumbnail);
265	rc = DisplayMakePNG(pbData, cx, cy, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 1);
266	if (RT_FAILURE(rc))
267	{
268	if (pu8PNG)
269	{
270	RTMemFree(pu8PNG);
271	pu8PNG = NULL;
272	}
273	cbPNG = 0;
274	cxPNG = 0;
275	cyPNG = 0;
276	}
277
278	if (fFreeMem)
279	RTMemFree(pbData);
280	else
281	that->mpDrv->pUpPort->pfnFreeScreenshot(that->mpDrv->pUpPort, pbData);
282	}
283	}
284	else
285	{
286	LogFunc(("Failed to get VM pointer 0x%x\n", ptrVM.rc()));
287	}
288
289	/* Regardless of rc, save what is available:
290	* Data format:
291	* uint32_t cBlocks;
292	* [blocks]
293	*
294	* Each block is:
295	* uint32_t cbBlock; if 0 - no 'block data'.
296	* uint32_t typeOfBlock; 0 - 32bpp RGB bitmap, 1 - PNG, ignored if 'cbBlock' is 0.
297	* [block data]
298	*
299	* Block data for bitmap and PNG:
300	* uint32_t cx;
301	* uint32_t cy;
302	* [image data]
303	*/
304	SSMR3PutU32(pSSM, 2); /* Write thumbnail and PNG screenshot. */
305
306	/* First block. */
307	SSMR3PutU32(pSSM, (uint32_t)(cbThumbnail + 2 * sizeof(uint32_t)));
308	SSMR3PutU32(pSSM, 0); /* Block type: thumbnail. */
309
310	if (cbThumbnail)
311	{
312	SSMR3PutU32(pSSM, cxThumbnail);
313	SSMR3PutU32(pSSM, cyThumbnail);
314	SSMR3PutMem(pSSM, pu8Thumbnail, cbThumbnail);
315	}
316
317	/* Second block. */
318	SSMR3PutU32(pSSM, (uint32_t)(cbPNG + 2 * sizeof(uint32_t)));
319	SSMR3PutU32(pSSM, 1); /* Block type: png. */
320
321	if (cbPNG)
322	{
323	SSMR3PutU32(pSSM, cxPNG);
324	SSMR3PutU32(pSSM, cyPNG);
325	SSMR3PutMem(pSSM, pu8PNG, cbPNG);
326	}
327
328	RTMemFree(pu8PNG);
329	RTMemFree(pu8Thumbnail);
330	}
331
332	DECLCALLBACK(int)
333	Display::i_displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
334	{
335	RT_NOREF(pvUser);
336	if (uVersion != sSSMDisplayScreenshotVer)
337	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
338	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
339
340	/* Skip data. */
341	uint32_t cBlocks;
342	int rc = SSMR3GetU32(pSSM, &cBlocks);
343	AssertRCReturn(rc, rc);
344
345	for (uint32_t i = 0; i < cBlocks; i++)
346	{
347	uint32_t cbBlock;
348	rc = SSMR3GetU32(pSSM, &cbBlock);
349	AssertRCBreak(rc);
350
351	uint32_t typeOfBlock;
352	rc = SSMR3GetU32(pSSM, &typeOfBlock);
353	AssertRCBreak(rc);
354
355	LogRelFlowFunc(("[%d] type %d, size %d bytes\n", i, typeOfBlock, cbBlock));
356
357	/* Note: displaySSMSaveScreenshot writes size of a block = 8 and
358	* do not write any data if the image size was 0.
359	* @todo Fix and increase saved state version.
360	*/
361	if (cbBlock > 2 * sizeof(uint32_t))
362	{
363	rc = SSMR3Skip(pSSM, cbBlock);
364	AssertRCBreak(rc);
365	}
366	}
367
368	return rc;
369	}
370
371	/**
372	* Save/Load some important guest state
373	*/
374	DECLCALLBACK(void)
375	Display::i_displaySSMSave(PSSMHANDLE pSSM, void *pvUser)
376	{
377	Display that = static_cast<Display>(pvUser);
378
379	SSMR3PutU32(pSSM, that->mcMonitors);
380	for (unsigned i = 0; i < that->mcMonitors; i++)
381	{
382	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32Offset);
383	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32MaxFramebufferSize);
384	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32InformationSize);
385	SSMR3PutU32(pSSM, that->maFramebuffers[i].w);
386	SSMR3PutU32(pSSM, that->maFramebuffers[i].h);
387	SSMR3PutS32(pSSM, that->maFramebuffers[i].xOrigin);
388	SSMR3PutS32(pSSM, that->maFramebuffers[i].yOrigin);
389	SSMR3PutU32(pSSM, that->maFramebuffers[i].flags);
390	}
391	SSMR3PutS32(pSSM, that->xInputMappingOrigin);
392	SSMR3PutS32(pSSM, that->yInputMappingOrigin);
393	SSMR3PutU32(pSSM, that->cxInputMapping);
394	SSMR3PutU32(pSSM, that->cyInputMapping);
395	SSMR3PutU32(pSSM, that->mfGuestVBVACapabilities);
396	SSMR3PutU32(pSSM, that->mfHostCursorCapabilities);
397	}
398
399	DECLCALLBACK(int)
400	Display::i_displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
401	{
402	Display that = static_cast<Display>(pvUser);
403
404	if ( uVersion != sSSMDisplayVer
405	&& uVersion != sSSMDisplayVer2
406	&& uVersion != sSSMDisplayVer3
407	&& uVersion != sSSMDisplayVer4
408	&& uVersion != sSSMDisplayVer5)
409	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
410	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
411
412	uint32_t cMonitors;
413	int rc = SSMR3GetU32(pSSM, &cMonitors);
414	AssertRCReturn(rc, rc);
415	if (cMonitors != that->mcMonitors)
416	return SSMR3SetCfgError(pSSM, RT_SRC_POS, N_("Number of monitors changed (%d->%d)!"), cMonitors, that->mcMonitors);
417
418	for (uint32_t i = 0; i < cMonitors; i++)
419	{
420	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32Offset);
421	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32MaxFramebufferSize);
422	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32InformationSize);
423	if ( uVersion == sSSMDisplayVer2
424	\|\| uVersion == sSSMDisplayVer3
425	\|\| uVersion == sSSMDisplayVer4
426	\|\| uVersion == sSSMDisplayVer5)
427	{
428	uint32_t w;
429	uint32_t h;
430	SSMR3GetU32(pSSM, &w);
431	SSMR3GetU32(pSSM, &h);
432	that->maFramebuffers[i].w = w;
433	that->maFramebuffers[i].h = h;
434	}
435	if ( uVersion == sSSMDisplayVer3
436	\|\| uVersion == sSSMDisplayVer4
437	\|\| uVersion == sSSMDisplayVer5)
438	{
439	int32_t xOrigin;
440	int32_t yOrigin;
441	uint32_t flags;
442	SSMR3GetS32(pSSM, &xOrigin);
443	SSMR3GetS32(pSSM, &yOrigin);
444	SSMR3GetU32(pSSM, &flags);
445	that->maFramebuffers[i].xOrigin = xOrigin;
446	that->maFramebuffers[i].yOrigin = yOrigin;
447	that->maFramebuffers[i].flags = (uint16_t)flags;
448	that->maFramebuffers[i].fDisabled = (that->maFramebuffers[i].flags & VBVA_SCREEN_F_DISABLED) != 0;
449	}
450	}
451	if ( uVersion == sSSMDisplayVer4
452	\|\| uVersion == sSSMDisplayVer5)
453	{
454	SSMR3GetS32(pSSM, &that->xInputMappingOrigin);
455	SSMR3GetS32(pSSM, &that->yInputMappingOrigin);
456	SSMR3GetU32(pSSM, &that->cxInputMapping);
457	SSMR3GetU32(pSSM, &that->cyInputMapping);
458	}
459	if (uVersion == sSSMDisplayVer5)
460	{
461	SSMR3GetU32(pSSM, &that->mfGuestVBVACapabilities);
462	SSMR3GetU32(pSSM, &that->mfHostCursorCapabilities);
463	}
464
465	return VINF_SUCCESS;
466	}
467
468	/**
469	* Initializes the display object.
470	*
471	* @returns COM result indicator
472	* @param aParent handle of our parent object
473	*/
474	HRESULT Display::init(Console *aParent)
475	{
476	ComAssertRet(aParent, E_INVALIDARG);
477	/* Enclose the state transition NotReady->InInit->Ready */
478	AutoInitSpan autoInitSpan(this);
479	AssertReturn(autoInitSpan.isOk(), E_FAIL);
480
481	unconst(mParent) = aParent;
482
483	mfSourceBitmapEnabled = true;
484	fVGAResizing = false;
485
486	ULONG ul;
487	mParent->i_machine()->COMGETTER(MonitorCount)(&ul);
488	mcMonitors = ul;
489	xInputMappingOrigin = 0;
490	yInputMappingOrigin = 0;
491	cxInputMapping = 0;
492	cyInputMapping = 0;
493
494	for (ul = 0; ul < mcMonitors; ul++)
495	{
496	maFramebuffers[ul].u32Offset = 0;
497	maFramebuffers[ul].u32MaxFramebufferSize = 0;
498	maFramebuffers[ul].u32InformationSize = 0;
499
500	maFramebuffers[ul].pFramebuffer = NULL;
501	/* All secondary monitors are disabled at startup. */
502	maFramebuffers[ul].fDisabled = ul > 0;
503
504	maFramebuffers[ul].u32Caps = 0;
505
506	maFramebuffers[ul].updateImage.pu8Address = NULL;
507	maFramebuffers[ul].updateImage.cbLine = 0;
508
509	maFramebuffers[ul].xOrigin = 0;
510	maFramebuffers[ul].yOrigin = 0;
511
512	maFramebuffers[ul].w = 0;
513	maFramebuffers[ul].h = 0;
514
515	maFramebuffers[ul].flags = maFramebuffers[ul].fDisabled? VBVA_SCREEN_F_DISABLED: 0;
516
517	maFramebuffers[ul].u16BitsPerPixel = 0;
518	maFramebuffers[ul].pu8FramebufferVRAM = NULL;
519	maFramebuffers[ul].u32LineSize = 0;
520
521	maFramebuffers[ul].pHostEvents = NULL;
522
523	maFramebuffers[ul].fDefaultFormat = false;
524
525	#ifdef VBOX_WITH_HGSMI
526	maFramebuffers[ul].fVBVAEnabled = false;
527	maFramebuffers[ul].fVBVAForceResize = false;
528	maFramebuffers[ul].pVBVAHostFlags = NULL;
529	#endif /* VBOX_WITH_HGSMI */
530	}
531
532	{
533	// register listener for state change events
534	ComPtr<IEventSource> es;
535	mParent->COMGETTER(EventSource)(es.asOutParam());
536	com::SafeArray<VBoxEventType_T> eventTypes;
537	eventTypes.push_back(VBoxEventType_OnStateChanged);
538	es->RegisterListener(this, ComSafeArrayAsInParam(eventTypes), true);
539	}
540
541	/* Confirm a successful initialization */
542	autoInitSpan.setSucceeded();
543
544	return S_OK;
545	}
546
547	/**
548	* Uninitializes the instance and sets the ready flag to FALSE.
549	* Called either from FinalRelease() or by the parent when it gets destroyed.
550	*/
551	void Display::uninit()
552	{
553	LogRelFlowFunc(("this=%p\n", this));
554
555	/* Enclose the state transition Ready->InUninit->NotReady */
556	AutoUninitSpan autoUninitSpan(this);
557	if (autoUninitSpan.uninitDone())
558	return;
559
560	unsigned uScreenId;
561	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
562	{
563	maFramebuffers[uScreenId].pSourceBitmap.setNull();
564	maFramebuffers[uScreenId].updateImage.pSourceBitmap.setNull();
565	maFramebuffers[uScreenId].updateImage.pu8Address = NULL;
566	maFramebuffers[uScreenId].updateImage.cbLine = 0;
567	maFramebuffers[uScreenId].pFramebuffer.setNull();
568	#ifdef VBOX_WITH_RECORDING
569	maFramebuffers[uScreenId].Recording.pSourceBitmap.setNull();
570	#endif
571	}
572
573	if (mParent)
574	{
575	ComPtr<IEventSource> es;
576	mParent->COMGETTER(EventSource)(es.asOutParam());
577	es->UnregisterListener(this);
578	}
579
580	unconst(mParent) = NULL;
581
582	if (mpDrv)
583	mpDrv->pDisplay = NULL;
584
585	mpDrv = NULL;
586	}
587
588	/**
589	* Register the SSM methods. Called by the power up thread to be able to
590	* pass pVM
591	*/
592	int Display::i_registerSSM(PUVM pUVM)
593	{
594	/* Version 2 adds width and height of the framebuffer; version 3 adds
595	* the framebuffer offset in the virtual desktop and the framebuffer flags;
596	* version 4 adds guest to host input event mapping and version 5 adds
597	* guest VBVA and host cursor capabilities.
598	*/
599	int rc = SSMR3RegisterExternal(pUVM, "DisplayData", 0, sSSMDisplayVer5,
600	mcMonitors * sizeof(uint32_t) * 8 + sizeof(uint32_t),
601	NULL, NULL, NULL,
602	NULL, i_displaySSMSave, NULL,
603	NULL, i_displaySSMLoad, NULL, this);
604	AssertRCReturn(rc, rc);
605
606	/*
607	* Register loaders for old saved states where iInstance was
608	* 3 * sizeof(uint32_t *) due to a code mistake.
609	*/
610	rc = SSMR3RegisterExternal(pUVM, "DisplayData", 12 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
611	NULL, NULL, NULL,
612	NULL, NULL, NULL,
613	NULL, i_displaySSMLoad, NULL, this);
614	AssertRCReturn(rc, rc);
615
616	rc = SSMR3RegisterExternal(pUVM, "DisplayData", 24 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
617	NULL, NULL, NULL,
618	NULL, NULL, NULL,
619	NULL, i_displaySSMLoad, NULL, this);
620	AssertRCReturn(rc, rc);
621
622	/* uInstance is an arbitrary value greater than 1024. Such a value will ensure a quick seek in saved state file. */
623	rc = SSMR3RegisterExternal(pUVM, "DisplayScreenshot", 1100 /uInstance/, sSSMDisplayScreenshotVer, 0 /cbGuess/,
624	NULL, NULL, NULL,
625	NULL, i_displaySSMSaveScreenshot, NULL,
626	NULL, i_displaySSMLoadScreenshot, NULL, this);
627
628	AssertRCReturn(rc, rc);
629
630	return VINF_SUCCESS;
631	}
632
633	// public methods only for internal purposes
634	/////////////////////////////////////////////////////////////////////////////
635
636	/**
637	* Handles display resize event.
638	*
639	* @param uScreenId Screen ID
640	* @param bpp New bits per pixel.
641	* @param pvVRAM VRAM pointer.
642	* @param cbLine New bytes per line.
643	* @param w New display width.
644	* @param h New display height.
645	* @param flags Flags of the new video mode.
646	* @param xOrigin New display origin X.
647	* @param yOrigin New display origin Y.
648	* @param fVGAResize Whether the resize is originated from the VGA device (DevVGA).
649	*/
650	int Display::i_handleDisplayResize(unsigned uScreenId, uint32_t bpp, void *pvVRAM,
651	uint32_t cbLine, uint32_t w, uint32_t h, uint16_t flags,
652	int32_t xOrigin, int32_t yOrigin, bool fVGAResize)
653	{
654	LogRel2(("Display::i_handleDisplayResize: uScreenId=%d pvVRAM=%p w=%d h=%d bpp=%d cbLine=0x%X flags=0x%X\n", uScreenId,
655	pvVRAM, w, h, bpp, cbLine, flags));
656
657	/* Caller must not hold the object lock. */
658	AssertReturn(!isWriteLockOnCurrentThread(), VERR_INVALID_STATE);
659
660	/* Note: the old code checked if the video mode was actially chnaged and
661	* did not invalidate the source bitmap if the mode did not change.
662	* The new code always invalidates the source bitmap, i.e. it will
663	* notify the frontend even if nothing actually changed.
664	*
665	* Implementing the filtering is possible but might lead to pfnSetRenderVRAM races
666	* between this method and QuerySourceBitmap. Such races can be avoided by implementing
667	* the @todo below.
668	*/
669
670	/* Make sure that the VGA device does not access the source bitmap. */
671	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && mpDrv)
672	{
673	/// @todo It is probably more convenient to implement
674	// mpDrv->pUpPort->pfnSetOutputBitmap(pvVRAM, cbScanline, cBits, cx, cy, bool fSet);
675	// and remove IConnector.pbData, cbScanline, cBits, cx, cy.
676	// fSet = false disables rendering and VGA can check
677	// if it is already rendering to a different bitmap, avoiding
678	// enable/disable rendering races.
679	mpDrv->pUpPort->pfnSetRenderVRAM(mpDrv->pUpPort, false);
680
681	mpDrv->IConnector.pbData = NULL;
682	mpDrv->IConnector.cbScanline = 0;
683	mpDrv->IConnector.cBits = 32; /* DevVGA does not work with cBits == 0. */
684	mpDrv->IConnector.cx = 0;
685	mpDrv->IConnector.cy = 0;
686	}
687
688	/* Update maFramebuffers[uScreenId] under lock. */
689	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
690
691	if (uScreenId >= mcMonitors)
692	{
693	LogRel(("Display::i_handleDisplayResize: mcMonitors=%u < uScreenId=%u (pvVRAM=%p w=%u h=%u bpp=%d cbLine=0x%X flags=0x%X)\n",
694	mcMonitors, uScreenId, pvVRAM, w, h, bpp, cbLine, flags));
695	return VINF_SUCCESS;
696	}
697
698	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
699
700	/* Whether the monitor position has changed.
701	* A resize initiated by the VGA device does not change the monitor position.
702	*/
703	const bool fNewOrigin = !fVGAResize
704	&& ( pFBInfo->xOrigin != xOrigin
705	\|\| pFBInfo->yOrigin != yOrigin);
706
707	/* The event for disabled->enabled transition.
708	* VGA resizes also come when the guest uses VBVA mode. They do not affect pFBInfo->fDisabled.
709	* The primary screen is re-enabled when the guest leaves the VBVA mode in i_displayVBVADisable.
710	*/
711	const bool fGuestMonitorChangedEvent = !fVGAResize
712	&& (pFBInfo->fDisabled != RT_BOOL(flags & VBVA_SCREEN_F_DISABLED));
713
714	/* Reset the update mode. */
715	pFBInfo->updateImage.pSourceBitmap.setNull();
716	pFBInfo->updateImage.pu8Address = NULL;
717	pFBInfo->updateImage.cbLine = 0;
718
719	/* Release the current source bitmap. */
720	pFBInfo->pSourceBitmap.setNull();
721
722	/* VGA blanking is signaled as w=0, h=0, bpp=0 and cbLine=0, and it's
723	* best to keep the old resolution, as otherwise the window size would
724	* change before the new resolution is known. */
725	const bool fVGABlank = fVGAResize && uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
726	&& w == 0 && h == 0 && bpp == 0 && cbLine == 0;
727	if (fVGABlank)
728	{
729	w = pFBInfo->w;
730	h = pFBInfo->h;
731	}
732
733	/* Log changes. */
734	if ( pFBInfo->w != w
735	\|\| pFBInfo->h != h
736	\|\| pFBInfo->u32LineSize != cbLine
737	/\|\| pFBInfo->pu8FramebufferVRAM != (uint8_t )pvVRAM - too noisy */
738	\|\| ( !fVGAResize
739	&& ( pFBInfo->xOrigin != xOrigin
740	\|\| pFBInfo->yOrigin != yOrigin
741	\|\| pFBInfo->flags != flags)))
742	LogRel(("Display::i_handleDisplayResize: uScreenId=%d pvVRAM=%p w=%d h=%d bpp=%d cbLine=0x%X flags=0x%X origin=%d,%d\n",
743	uScreenId, pvVRAM, w, h, bpp, cbLine, flags, xOrigin, yOrigin));
744
745	/* Update the video mode information. */
746	pFBInfo->w = w;
747	pFBInfo->h = h;
748	pFBInfo->u16BitsPerPixel = (uint16_t)bpp;
749	pFBInfo->pu8FramebufferVRAM = (uint8_t *)pvVRAM;
750	pFBInfo->u32LineSize = cbLine;
751	if (!fVGAResize)
752	{
753	/* Fields which are not used in not VBVA modes and not affected by a VGA resize. */
754	pFBInfo->flags = flags;
755	pFBInfo->xOrigin = xOrigin;
756	pFBInfo->yOrigin = yOrigin;
757	pFBInfo->fDisabled = RT_BOOL(flags & VBVA_SCREEN_F_DISABLED);
758	pFBInfo->fVBVAForceResize = false;
759	}
760	else
761	{
762	pFBInfo->flags = VBVA_SCREEN_F_ACTIVE;
763	if (fVGABlank)
764	pFBInfo->flags \|= VBVA_SCREEN_F_BLANK;
765	pFBInfo->fDisabled = false;
766	}
767
768	/* Prepare local vars for the notification code below. */
769	ComPtr<IFramebuffer> pFramebuffer = pFBInfo->pFramebuffer;
770	const bool fDisabled = pFBInfo->fDisabled;
771
772	alock.release();
773
774	if (!pFramebuffer.isNull())
775	{
776	HRESULT hr = pFramebuffer->NotifyChange(uScreenId, 0, 0, w, h); /** @todo origin */
777	LogFunc(("NotifyChange hr %08X\n", hr));
778	NOREF(hr);
779	}
780
781	if (fGuestMonitorChangedEvent)
782	{
783	if (fDisabled)
784	fireGuestMonitorChangedEvent(mParent->i_getEventSource(),
785	GuestMonitorChangedEventType_Disabled,
786	uScreenId,
787	0, 0, 0, 0);
788	else
789	fireGuestMonitorChangedEvent(mParent->i_getEventSource(),
790	GuestMonitorChangedEventType_Enabled,
791	uScreenId,
792	xOrigin, yOrigin, w, h);
793	}
794
795	if (fNewOrigin)
796	fireGuestMonitorChangedEvent(mParent->i_getEventSource(),
797	GuestMonitorChangedEventType_NewOrigin,
798	uScreenId,
799	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_handleQueryVisibleRegion(uint32_t *pcRects, PRTRECT paRects)
1284	{
1285	/// @todo Currently not used by the guest and is not implemented in
1286	/// framebuffers. Remove?
1287	RT_NOREF(pcRects, paRects);
1288	return VERR_NOT_SUPPORTED;
1289	}
1290
1291	#ifdef VBOX_WITH_HGSMI
1292	static void vbvaSetMemoryFlagsHGSMI(unsigned uScreenId,
1293	uint32_t fu32SupportedOrders,
1294	bool fVideoAccelVRDP,
1295	DISPLAYFBINFO *pFBInfo)
1296	{
1297	LogRelFlowFunc(("HGSMI[%d]: %p\n", uScreenId, pFBInfo->pVBVAHostFlags));
1298
1299	if (pFBInfo->pVBVAHostFlags)
1300	{
1301	uint32_t fu32HostEvents = VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1302
1303	if (pFBInfo->fVBVAEnabled)
1304	{
1305	fu32HostEvents \|= VBVA_F_MODE_ENABLED;
1306
1307	if (fVideoAccelVRDP)
1308	{
1309	fu32HostEvents \|= VBVA_F_MODE_VRDP;
1310	}
1311	}
1312
1313	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32HostEvents, fu32HostEvents);
1314	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32SupportedOrders, fu32SupportedOrders);
1315
1316	LogRelFlowFunc((" fu32HostEvents = 0x%08X, fu32SupportedOrders = 0x%08X\n", fu32HostEvents, fu32SupportedOrders));
1317	}
1318	}
1319
1320	static void vbvaSetMemoryFlagsAllHGSMI(uint32_t fu32SupportedOrders,
1321	bool fVideoAccelVRDP,
1322	DISPLAYFBINFO *paFBInfos,
1323	unsigned cFBInfos)
1324	{
1325	unsigned uScreenId;
1326
1327	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1328	{
1329	vbvaSetMemoryFlagsHGSMI(uScreenId, fu32SupportedOrders, fVideoAccelVRDP, &paFBInfos[uScreenId]);
1330	}
1331	}
1332	#endif /* VBOX_WITH_HGSMI */
1333
1334	int Display::VideoAccelEnableVMMDev(bool fEnable, VBVAMEMORY *pVbvaMemory)
1335	{
1336	LogFlowFunc(("%d %p\n", fEnable, pVbvaMemory));
1337	int rc = videoAccelEnterVMMDev(&mVideoAccelLegacy);
1338	if (RT_SUCCESS(rc))
1339	{
1340	rc = i_VideoAccelEnable(fEnable, pVbvaMemory, mpDrv->pUpPort);
1341	videoAccelLeaveVMMDev(&mVideoAccelLegacy);
1342	}
1343	LogFlowFunc(("leave %Rrc\n", rc));
1344	return rc;
1345	}
1346
1347	int Display::VideoAccelEnableVGA(bool fEnable, VBVAMEMORY *pVbvaMemory)
1348	{
1349	LogFlowFunc(("%d %p\n", fEnable, pVbvaMemory));
1350	int rc = videoAccelEnterVGA(&mVideoAccelLegacy);
1351	if (RT_SUCCESS(rc))
1352	{
1353	rc = i_VideoAccelEnable(fEnable, pVbvaMemory, mpDrv->pUpPort);
1354	videoAccelLeaveVGA(&mVideoAccelLegacy);
1355	}
1356	LogFlowFunc(("leave %Rrc\n", rc));
1357	return rc;
1358	}
1359
1360	void Display::VideoAccelFlushVMMDev(void)
1361	{
1362	LogFlowFunc(("enter\n"));
1363	int rc = videoAccelEnterVMMDev(&mVideoAccelLegacy);
1364	if (RT_SUCCESS(rc))
1365	{
1366	i_VideoAccelFlush(mpDrv->pUpPort);
1367	videoAccelLeaveVMMDev(&mVideoAccelLegacy);
1368	}
1369	LogFlowFunc(("leave\n"));
1370	}
1371
1372	/* Called always by one VRDP server thread. Can be thread-unsafe.
1373	*/
1374	void Display::i_VRDPConnectionEvent(bool fConnect)
1375	{
1376	LogRelFlowFunc(("fConnect = %d\n", fConnect));
1377
1378	int c = fConnect?
1379	ASMAtomicIncS32(&mcVRDPRefs):
1380	ASMAtomicDecS32(&mcVRDPRefs);
1381
1382	i_VideoAccelVRDP(fConnect, c);
1383	i_UpdateDeviceCursorCapabilities();
1384	}
1385
1386
1387	void Display::i_VideoAccelVRDP(bool fEnable, int c)
1388	{
1389	VIDEOACCEL *pVideoAccel = &mVideoAccelLegacy;
1390
1391	Assert (c >= 0);
1392	RT_NOREF(fEnable);
1393
1394	/* This can run concurrently with Display videoaccel state change. */
1395	RTCritSectEnter(&mVideoAccelLock);
1396
1397	if (c == 0)
1398	{
1399	/* The last client has disconnected, and the accel can be
1400	* disabled.
1401	*/
1402	Assert(fEnable == false);
1403
1404	mfVideoAccelVRDP = false;
1405	mfu32SupportedOrders = 0;
1406
1407	i_vbvaSetMemoryFlags(pVideoAccel->pVbvaMemory, pVideoAccel->fVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders,
1408	maFramebuffers, mcMonitors);
1409	#ifdef VBOX_WITH_HGSMI
1410	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1411	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1412	#endif /* VBOX_WITH_HGSMI */
1413
1414	LogRel(("VBVA: VRDP acceleration has been disabled.\n"));
1415	}
1416	else if ( c == 1
1417	&& !mfVideoAccelVRDP)
1418	{
1419	/* The first client has connected. Enable the accel.
1420	*/
1421	Assert(fEnable == true);
1422
1423	mfVideoAccelVRDP = true;
1424	/* Supporting all orders. */
1425	mfu32SupportedOrders = UINT32_MAX;
1426
1427	i_vbvaSetMemoryFlags(pVideoAccel->pVbvaMemory, pVideoAccel->fVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders,
1428	maFramebuffers, mcMonitors);
1429	#ifdef VBOX_WITH_HGSMI
1430	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1431	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1432	#endif /* VBOX_WITH_HGSMI */
1433
1434	LogRel(("VBVA: VRDP acceleration has been requested.\n"));
1435	}
1436	else
1437	{
1438	/* A client is connected or disconnected but there is no change in the
1439	* accel state. It remains enabled.
1440	*/
1441	Assert(mfVideoAccelVRDP == true);
1442	}
1443
1444	RTCritSectLeave(&mVideoAccelLock);
1445	}
1446
1447	void Display::i_notifyPowerDown(void)
1448	{
1449	LogRelFlowFunc(("\n"));
1450
1451	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1452
1453	/* Source bitmaps are not available anymore. */
1454	mfSourceBitmapEnabled = false;
1455
1456	alock.release();
1457
1458	/* Resize all displays to tell framebuffers to forget current source bitmap. */
1459	unsigned uScreenId = mcMonitors;
1460	while (uScreenId > 0)
1461	{
1462	--uScreenId;
1463
1464	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1465	if (!pFBInfo->fDisabled)
1466	{
1467	i_handleDisplayResize(uScreenId, 32,
1468	pFBInfo->pu8FramebufferVRAM,
1469	pFBInfo->u32LineSize,
1470	pFBInfo->w,
1471	pFBInfo->h,
1472	pFBInfo->flags,
1473	pFBInfo->xOrigin,
1474	pFBInfo->yOrigin,
1475	false);
1476	}
1477	}
1478	}
1479
1480	// Wrapped IDisplay methods
1481	/////////////////////////////////////////////////////////////////////////////
1482	HRESULT Display::getScreenResolution(ULONG aScreenId, ULONG aWidth, ULONG aHeight, ULONG *aBitsPerPixel,
1483	LONG aXOrigin, LONG aYOrigin, GuestMonitorStatus_T *aGuestMonitorStatus)
1484	{
1485	LogRelFlowFunc(("aScreenId=%RU32\n", aScreenId));
1486
1487	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1488
1489	if (aScreenId >= mcMonitors)
1490	return E_INVALIDARG;
1491
1492	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1493
1494	GuestMonitorStatus_T guestMonitorStatus = GuestMonitorStatus_Enabled;
1495
1496	if (pFBInfo->flags & VBVA_SCREEN_F_DISABLED)
1497	guestMonitorStatus = GuestMonitorStatus_Disabled;
1498	else if (pFBInfo->flags & (VBVA_SCREEN_F_BLANK \| VBVA_SCREEN_F_BLANK2))
1499	guestMonitorStatus = GuestMonitorStatus_Blank;
1500
1501	if (aWidth)
1502	*aWidth = pFBInfo->w;
1503	if (aHeight)
1504	*aHeight = pFBInfo->h;
1505	if (aBitsPerPixel)
1506	*aBitsPerPixel = pFBInfo->u16BitsPerPixel;
1507	if (aXOrigin)
1508	*aXOrigin = pFBInfo->xOrigin;
1509	if (aYOrigin)
1510	*aYOrigin = pFBInfo->yOrigin;
1511	if (aGuestMonitorStatus)
1512	*aGuestMonitorStatus = guestMonitorStatus;
1513
1514	return S_OK;
1515	}
1516
1517
1518	HRESULT Display::attachFramebuffer(ULONG aScreenId, const ComPtr<IFramebuffer> &aFramebuffer, com::Guid &aId)
1519	{
1520	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
1521
1522	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1523
1524	if (aScreenId >= mcMonitors)
1525	return setError(E_INVALIDARG, tr("AttachFramebuffer: Invalid screen %d (total %d)"),
1526	aScreenId, mcMonitors);
1527
1528	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1529	if (!pFBInfo->pFramebuffer.isNull())
1530	return setError(E_FAIL, tr("AttachFramebuffer: Framebuffer already attached to %d"),
1531	aScreenId);
1532
1533	pFBInfo->pFramebuffer = aFramebuffer;
1534	pFBInfo->framebufferId.create();
1535	aId = pFBInfo->framebufferId;
1536
1537	SafeArray<FramebufferCapabilities_T> caps;
1538	pFBInfo->pFramebuffer->COMGETTER(Capabilities)(ComSafeArrayAsOutParam(caps));
1539	pFBInfo->u32Caps = 0;
1540	size_t i;
1541	for (i = 0; i < caps.size(); ++i)
1542	pFBInfo->u32Caps \|= caps[i];
1543
1544	alock.release();
1545
1546	/* The driver might not have been constructed yet */
1547	if (mpDrv)
1548	{
1549	/* Inform the framebuffer about the actual screen size. */
1550	HRESULT hr = aFramebuffer->NotifyChange(aScreenId, 0, 0, pFBInfo->w, pFBInfo->h); /** @todo origin */
1551	LogFunc(("NotifyChange hr %08X\n", hr)); NOREF(hr);
1552
1553	/* Re-send the seamless rectangles if necessary. */
1554	if (mfSeamlessEnabled)
1555	i_handleSetVisibleRegion(mcRectVisibleRegion, mpRectVisibleRegion);
1556	}
1557
1558	Console::SafeVMPtrQuiet ptrVM(mParent);
1559	if (ptrVM.isOk())
1560	{
1561	VMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
1562	3, this, aScreenId, false);
1563	}
1564
1565	LogRelFlowFunc(("Attached to %d %RTuuid\n", aScreenId, aId.raw()));
1566	return S_OK;
1567	}
1568
1569	HRESULT Display::detachFramebuffer(ULONG aScreenId, const com::Guid &aId)
1570	{
1571	LogRelFlowFunc(("aScreenId = %d %RTuuid\n", aScreenId, aId.raw()));
1572
1573	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1574
1575	if (aScreenId >= mcMonitors)
1576	return setError(E_INVALIDARG, tr("DetachFramebuffer: Invalid screen %d (total %d)"),
1577	aScreenId, mcMonitors);
1578
1579	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1580
1581	if (pFBInfo->framebufferId != aId)
1582	{
1583	LogRelFlowFunc(("Invalid framebuffer aScreenId = %d, attached %p\n", aScreenId, pFBInfo->framebufferId.raw()));
1584	return setError(E_FAIL, tr("DetachFramebuffer: Invalid framebuffer object"));
1585	}
1586
1587	pFBInfo->pFramebuffer.setNull();
1588	pFBInfo->framebufferId.clear();
1589
1590	alock.release();
1591	return S_OK;
1592	}
1593
1594	HRESULT Display::queryFramebuffer(ULONG aScreenId, ComPtr<IFramebuffer> &aFramebuffer)
1595	{
1596	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
1597
1598	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1599
1600	if (aScreenId >= mcMonitors)
1601	return setError(E_INVALIDARG, tr("QueryFramebuffer: Invalid screen %d (total %d)"),
1602	aScreenId, mcMonitors);
1603
1604	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1605
1606	pFBInfo->pFramebuffer.queryInterfaceTo(aFramebuffer.asOutParam());
1607
1608	return S_OK;
1609	}
1610
1611	HRESULT Display::setVideoModeHint(ULONG aDisplay, BOOL aEnabled,
1612	BOOL aChangeOrigin, LONG aOriginX, LONG aOriginY,
1613	ULONG aWidth, ULONG aHeight, ULONG aBitsPerPixel,
1614	BOOL aNotify)
1615	{
1616	if (aWidth == 0 \|\| aHeight == 0 \|\| aBitsPerPixel == 0)
1617	{
1618	/* Some of parameters must not change. Query current mode. */
1619	ULONG ulWidth = 0;
1620	ULONG ulHeight = 0;
1621	ULONG ulBitsPerPixel = 0;
1622	HRESULT hr = getScreenResolution(aDisplay, &ulWidth, &ulHeight, &ulBitsPerPixel, NULL, NULL, NULL);
1623	if (FAILED(hr))
1624	return hr;
1625
1626	/* Assign current values to not changing parameters. */
1627	if (aWidth == 0)
1628	aWidth = ulWidth;
1629	if (aHeight == 0)
1630	aHeight = ulHeight;
1631	if (aBitsPerPixel == 0)
1632	aBitsPerPixel = ulBitsPerPixel;
1633	}
1634
1635	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1636
1637	if (aDisplay >= mcMonitors)
1638	return E_INVALIDARG;
1639
1640	VMMDevDisplayDef d;
1641	d.idDisplay = aDisplay;
1642	d.xOrigin = aOriginX;
1643	d.yOrigin = aOriginY;
1644	d.cx = aWidth;
1645	d.cy = aHeight;
1646	d.cBitsPerPixel = aBitsPerPixel;
1647	d.fDisplayFlags = VMMDEV_DISPLAY_CX \| VMMDEV_DISPLAY_CY \| VMMDEV_DISPLAY_BPP;
1648	if (!aEnabled)
1649	d.fDisplayFlags \|= VMMDEV_DISPLAY_DISABLED;
1650	if (aChangeOrigin)
1651	d.fDisplayFlags \|= VMMDEV_DISPLAY_ORIGIN;
1652	if (aDisplay == 0)
1653	d.fDisplayFlags \|= VMMDEV_DISPLAY_PRIMARY;
1654
1655	/* Remember the monitor information. */
1656	maFramebuffers[aDisplay].monitorDesc = d;
1657
1658	CHECK_CONSOLE_DRV(mpDrv);
1659
1660	/*
1661	* It is up to the guest to decide whether the hint is
1662	* valid. Therefore don't do any VRAM sanity checks here.
1663	*/
1664
1665	/* Have to release the lock because the pfnRequestDisplayChange
1666	* will call EMT. */
1667	alock.release();
1668
1669	/* We always send the hint to the graphics card in case the guest enables
1670	* support later. For now we notify exactly when support is enabled. */
1671	mpDrv->pUpPort->pfnSendModeHint(mpDrv->pUpPort, aWidth, aHeight,
1672	aBitsPerPixel, aDisplay,
1673	aChangeOrigin ? aOriginX : ~0,
1674	aChangeOrigin ? aOriginY : ~0,
1675	RT_BOOL(aEnabled),
1676	( mfGuestVBVACapabilities
1677	& VBVACAPS_VIDEO_MODE_HINTS)
1678	&& aNotify);
1679	if ( mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS
1680	&& !(mfGuestVBVACapabilities & VBVACAPS_IRQ)
1681	&& aNotify)
1682	{
1683	mParent->i_sendACPIMonitorHotPlugEvent();
1684	}
1685
1686	/* We currently never suppress the VMMDev hint if the guest has requested
1687	* it. Specifically the video graphics driver may not be responsible for
1688	* screen positioning in the guest virtual desktop, and the component
1689	* responsible may want to get the hint from VMMDev. */
1690	VMMDev *pVMMDev = mParent->i_getVMMDev();
1691	if (pVMMDev)
1692	{
1693	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1694	if (pVMMDevPort)
1695	pVMMDevPort->pfnRequestDisplayChange(pVMMDevPort, 1, &d, false, RT_BOOL(aNotify));
1696	}
1697	/* Notify listeners. */
1698	fireGuestMonitorInfoChangedEvent(mParent->i_getEventSource(), aDisplay);
1699	return S_OK;
1700	}
1701
1702	HRESULT Display::getVideoModeHint(ULONG cDisplay, BOOL *pfEnabled,
1703	BOOL pfChangeOrigin, LONG pxOrigin, LONG *pyOrigin,
1704	ULONG pcx, ULONG pcy, ULONG *pcBitsPerPixel)
1705	{
1706	if (cDisplay >= mcMonitors)
1707	return E_INVALIDARG;
1708
1709	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1710	if (pfEnabled)
1711	*pfEnabled = !( maFramebuffers[cDisplay].monitorDesc.fDisplayFlags
1712	& VMMDEV_DISPLAY_DISABLED);
1713	if (pfChangeOrigin)
1714	*pfChangeOrigin = RT_BOOL( maFramebuffers[cDisplay].monitorDesc.fDisplayFlags
1715	& VMMDEV_DISPLAY_ORIGIN);
1716	if (pxOrigin)
1717	*pxOrigin = maFramebuffers[cDisplay].monitorDesc.xOrigin;
1718	if (pyOrigin)
1719	*pyOrigin = maFramebuffers[cDisplay].monitorDesc.yOrigin;
1720	if (pcx)
1721	*pcx = maFramebuffers[cDisplay].monitorDesc.cx;
1722	if (pcy)
1723	*pcy = maFramebuffers[cDisplay].monitorDesc.cy;
1724	if (pcBitsPerPixel)
1725	*pcBitsPerPixel = maFramebuffers[cDisplay].monitorDesc.cBitsPerPixel;
1726	return S_OK;
1727	}
1728
1729	HRESULT Display::setSeamlessMode(BOOL enabled)
1730	{
1731	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1732
1733	/* Have to release the lock because the pfnRequestSeamlessChange will call EMT. */
1734	alock.release();
1735
1736	VMMDev *pVMMDev = mParent->i_getVMMDev();
1737	if (pVMMDev)
1738	{
1739	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1740	if (pVMMDevPort)
1741	pVMMDevPort->pfnRequestSeamlessChange(pVMMDevPort, !!enabled);
1742	}
1743	mfSeamlessEnabled = RT_BOOL(enabled);
1744	return S_OK;
1745	}
1746
1747	/* static */
1748	int Display::i_displayTakeScreenshotEMT(Display pDisplay, ULONG aScreenId, uint8_t ppbData, size_t pcbData,
1749	uint32_t pcx, uint32_t pcy, bool *pfMemFree)
1750	{
1751	int rc;
1752	if ( aScreenId == VBOX_VIDEO_PRIMARY_SCREEN
1753	&& pDisplay->maFramebuffers[aScreenId].fVBVAEnabled == false) /* A non-VBVA mode. */
1754	{
1755	if (pDisplay->mpDrv)
1756	{
1757	rc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppbData, pcbData, pcx, pcy);
1758	*pfMemFree = false;
1759	}
1760	else
1761	{
1762	/* No image. */
1763	*ppbData = NULL;
1764	*pcbData = 0;
1765	*pcx = 0;
1766	*pcy = 0;
1767	*pfMemFree = true;
1768	rc = VINF_SUCCESS;
1769	}
1770	}
1771	else if (aScreenId < pDisplay->mcMonitors)
1772	{
1773	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
1774
1775	uint32_t width = pFBInfo->w;
1776	uint32_t height = pFBInfo->h;
1777
1778	/* Allocate 32 bit per pixel bitmap. */
1779	size_t cbRequired = width * 4 * height;
1780
1781	if (cbRequired)
1782	{
1783	uint8_t pbDst = (uint8_t )RTMemAlloc(cbRequired);
1784	if (pbDst != NULL)
1785	{
1786	if (pFBInfo->flags & VBVA_SCREEN_F_ACTIVE)
1787	{
1788	/* Copy guest VRAM to the allocated 32bpp buffer. */
1789	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
1790	int32_t xSrc = 0;
1791	int32_t ySrc = 0;
1792	uint32_t u32SrcWidth = width;
1793	uint32_t u32SrcHeight = height;
1794	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
1795	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
1796
1797	int32_t xDst = 0;
1798	int32_t yDst = 0;
1799	uint32_t u32DstWidth = u32SrcWidth;
1800	uint32_t u32DstHeight = u32SrcHeight;
1801	uint32_t u32DstLineSize = u32DstWidth * 4;
1802	uint32_t u32DstBitsPerPixel = 32;
1803
1804	rc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
1805	width, height,
1806	pu8Src,
1807	xSrc, ySrc,
1808	u32SrcWidth, u32SrcHeight,
1809	u32SrcLineSize, u32SrcBitsPerPixel,
1810	pbDst,
1811	xDst, yDst,
1812	u32DstWidth, u32DstHeight,
1813	u32DstLineSize, u32DstBitsPerPixel);
1814	}
1815	else
1816	{
1817	memset(pbDst, 0, cbRequired);
1818	rc = VINF_SUCCESS;
1819	}
1820	if (RT_SUCCESS(rc))
1821	{
1822	*ppbData = pbDst;
1823	*pcbData = cbRequired;
1824	*pcx = width;
1825	*pcy = height;
1826	*pfMemFree = true;
1827	}
1828	else
1829	{
1830	RTMemFree(pbDst);
1831
1832	/* CopyRect can fail if VBVA was paused in VGA device, retry using the generic method. */
1833	if ( rc == VERR_INVALID_STATE
1834	&& aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1835	{
1836	rc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppbData, pcbData, pcx, pcy);
1837	*pfMemFree = false;
1838	}
1839	}
1840	}
1841	else
1842	rc = VERR_NO_MEMORY;
1843	}
1844	else
1845	{
1846	/* No image. */
1847	*ppbData = NULL;
1848	*pcbData = 0;
1849	*pcx = 0;
1850	*pcy = 0;
1851	*pfMemFree = true;
1852	rc = VINF_SUCCESS;
1853	}
1854	}
1855	else
1856	rc = VERR_INVALID_PARAMETER;
1857	return rc;
1858	}
1859
1860	static int i_displayTakeScreenshot(PUVM pUVM, Display pDisplay, struct DRVMAINDISPLAY pDrv, ULONG aScreenId,
1861	BYTE *address, ULONG width, ULONG height)
1862	{
1863	uint8_t *pbData = NULL;
1864	size_t cbData = 0;
1865	uint32_t cx = 0;
1866	uint32_t cy = 0;
1867	bool fFreeMem = false;
1868	int vrc = VINF_SUCCESS;
1869
1870	int cRetries = 5;
1871	while (cRetries-- > 0)
1872	{
1873	/* Note! Not sure if the priority call is such a good idea here, but
1874	it would be nice to have an accurate screenshot for the bug
1875	report if the VM deadlocks. */
1876	vrc = VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)Display::i_displayTakeScreenshotEMT, 7,
1877	pDisplay, aScreenId, &pbData, &cbData, &cx, &cy, &fFreeMem);
1878	if (vrc != VERR_TRY_AGAIN)
1879	{
1880	break;
1881	}
1882
1883	RTThreadSleep(10);
1884	}
1885
1886	if (RT_SUCCESS(vrc) && pbData)
1887	{
1888	if (cx == width && cy == height)
1889	{
1890	/* No scaling required. */
1891	memcpy(address, pbData, cbData);
1892	}
1893	else
1894	{
1895	/* Scale. */
1896	LogRelFlowFunc(("SCALE: %dx%d -> %dx%d\n", cx, cy, width, height));
1897
1898	uint8_t *dst = address;
1899	uint8_t *src = pbData;
1900	int dstW = width;
1901	int dstH = height;
1902	int srcW = cx;
1903	int srcH = cy;
1904	int iDeltaLine = cx * 4;
1905
1906	BitmapScale32(dst,
1907	dstW, dstH,
1908	src,
1909	iDeltaLine,
1910	srcW, srcH);
1911	}
1912
1913	if (fFreeMem)
1914	RTMemFree(pbData);
1915	else
1916	{
1917	/* This can be called from any thread. */
1918	pDrv->pUpPort->pfnFreeScreenshot(pDrv->pUpPort, pbData);
1919	}
1920	}
1921
1922	return vrc;
1923	}
1924
1925	HRESULT Display::takeScreenShotWorker(ULONG aScreenId,
1926	BYTE *aAddress,
1927	ULONG aWidth,
1928	ULONG aHeight,
1929	BitmapFormat_T aBitmapFormat,
1930	ULONG *pcbOut)
1931	{
1932	HRESULT rc = S_OK;
1933
1934	/* Do not allow too small and too large screenshots. This also filters out negative
1935	* values passed as either 'aWidth' or 'aHeight'.
1936	*/
1937	CheckComArgExpr(aWidth, aWidth != 0 && aWidth <= 32767);
1938	CheckComArgExpr(aHeight, aHeight != 0 && aHeight <= 32767);
1939
1940	if ( aBitmapFormat != BitmapFormat_BGR0
1941	&& aBitmapFormat != BitmapFormat_BGRA
1942	&& aBitmapFormat != BitmapFormat_RGBA
1943	&& aBitmapFormat != BitmapFormat_PNG)
1944	{
1945	return setError(E_NOTIMPL,
1946	tr("Unsupported screenshot format 0x%08X"), aBitmapFormat);
1947	}
1948
1949	Console::SafeVMPtr ptrVM(mParent);
1950	if (!ptrVM.isOk())
1951	return ptrVM.rc();
1952
1953	int vrc = i_displayTakeScreenshot(ptrVM.rawUVM(), this, mpDrv, aScreenId, aAddress, aWidth, aHeight);
1954
1955	if (RT_SUCCESS(vrc))
1956	{
1957	const size_t cbData = aWidth * 4 * aHeight;
1958
1959	/* Most of uncompressed formats. */
1960	*pcbOut = (ULONG)cbData;
1961
1962	if (aBitmapFormat == BitmapFormat_BGR0)
1963	{
1964	/* Do nothing. */
1965	}
1966	else if (aBitmapFormat == BitmapFormat_BGRA)
1967	{
1968	uint32_t pu32 = (uint32_t )aAddress;
1969	size_t cPixels = aWidth * aHeight;
1970	while (cPixels--)
1971	{
1972	*pu32++ \|= UINT32_C(0xFF000000);
1973	}
1974	}
1975	else if (aBitmapFormat == BitmapFormat_RGBA)
1976	{
1977	uint8_t *pu8 = aAddress;
1978	size_t cPixels = aWidth * aHeight;
1979	while (cPixels--)
1980	{
1981	uint8_t u8 = pu8[0];
1982	pu8[0] = pu8[2];
1983	pu8[2] = u8;
1984	pu8[3] = 0xFF;
1985
1986	pu8 += 4;
1987	}
1988	}
1989	else if (aBitmapFormat == BitmapFormat_PNG)
1990	{
1991	uint8_t *pu8PNG = NULL;
1992	uint32_t cbPNG = 0;
1993	uint32_t cxPNG = 0;
1994	uint32_t cyPNG = 0;
1995
1996	vrc = DisplayMakePNG(aAddress, aWidth, aHeight, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 0);
1997	if (RT_SUCCESS(vrc))
1998	{
1999	if (cbPNG <= cbData)
2000	{
2001	memcpy(aAddress, pu8PNG, cbPNG);
2002	*pcbOut = cbPNG;
2003	}
2004	else
2005	{
2006	rc = setError(E_FAIL,
2007	tr("PNG is larger than 32bpp bitmap"));
2008	}
2009	}
2010	else
2011	rc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not convert screenshot to PNG (%Rrc)"), vrc);
2012	RTMemFree(pu8PNG);
2013	}
2014	}
2015	else if (vrc == VERR_TRY_AGAIN)
2016	rc = setErrorBoth(E_UNEXPECTED, vrc, tr("Screenshot is not available at this time"));
2017	else if (RT_FAILURE(vrc))
2018	rc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not take a screenshot (%Rrc)"), vrc);
2019
2020	return rc;
2021	}
2022
2023	HRESULT Display::takeScreenShot(ULONG aScreenId,
2024	BYTE *aAddress,
2025	ULONG aWidth,
2026	ULONG aHeight,
2027	BitmapFormat_T aBitmapFormat)
2028	{
2029	HRESULT rc = S_OK;
2030
2031	LogRelFlowFunc(("[%d] address=%p, width=%d, height=%d, format 0x%08X\n",
2032	aScreenId, aAddress, aWidth, aHeight, aBitmapFormat));
2033
2034	ULONG cbOut = 0;
2035	rc = takeScreenShotWorker(aScreenId, aAddress, aWidth, aHeight, aBitmapFormat, &cbOut);
2036	NOREF(cbOut);
2037
2038	LogRelFlowFunc(("%Rhrc\n", rc));
2039	return rc;
2040	}
2041
2042	HRESULT Display::takeScreenShotToArray(ULONG aScreenId,
2043	ULONG aWidth,
2044	ULONG aHeight,
2045	BitmapFormat_T aBitmapFormat,
2046	std::vector<BYTE> &aScreenData)
2047	{
2048	HRESULT rc = S_OK;
2049
2050	LogRelFlowFunc(("[%d] width=%d, height=%d, format 0x%08X\n",
2051	aScreenId, aWidth, aHeight, aBitmapFormat));
2052
2053	/* Do not allow too small and too large screenshots. This also filters out negative
2054	* values passed as either 'aWidth' or 'aHeight'.
2055	*/
2056	CheckComArgExpr(aWidth, aWidth != 0 && aWidth <= 32767);
2057	CheckComArgExpr(aHeight, aHeight != 0 && aHeight <= 32767);
2058
2059	const size_t cbData = aWidth * 4 * aHeight;
2060	aScreenData.resize(cbData);
2061
2062	ULONG cbOut = 0;
2063	rc = takeScreenShotWorker(aScreenId, &aScreenData.front(), aWidth, aHeight, aBitmapFormat, &cbOut);
2064	if (FAILED(rc))
2065	cbOut = 0;
2066
2067	aScreenData.resize(cbOut);
2068
2069	LogRelFlowFunc(("%Rhrc\n", rc));
2070	return rc;
2071	}
2072
2073	#ifdef VBOX_WITH_RECORDING
2074	/**
2075	* Invalidates the recording configuration.
2076	*
2077	* @returns IPRT status code.
2078	*/
2079	int Display::i_recordingInvalidate(void)
2080	{
2081	RecordingContext *pCtx = mParent->i_recordingGetContext();
2082	if (!pCtx \|\| !pCtx->IsStarted())
2083	return VINF_SUCCESS;
2084
2085	/*
2086	* Invalidate screens.
2087	*/
2088	for (unsigned uScreen = 0; uScreen < mcMonitors; uScreen++)
2089	{
2090	RecordingStream *pRecordingStream = pCtx->GetStream(uScreen);
2091
2092	const bool fStreamEnabled = pRecordingStream->IsReady();
2093	bool fChanged = maRecordingEnabled[uScreen] != fStreamEnabled;
2094
2095	maRecordingEnabled[uScreen] = fStreamEnabled;
2096
2097	if (fChanged && uScreen < mcMonitors)
2098	i_recordingScreenChanged(uScreen);
2099	}
2100
2101	return VINF_SUCCESS;
2102	}
2103
2104	void Display::i_recordingScreenChanged(unsigned uScreenId)
2105	{
2106	RecordingContext *pCtx = mParent->i_recordingGetContext();
2107
2108	i_UpdateDeviceCursorCapabilities();
2109	if ( RT_LIKELY(!maRecordingEnabled[uScreenId])
2110	\|\| !pCtx \|\| !pCtx->IsStarted())
2111	{
2112	/* Skip recording this screen. */
2113	return;
2114	}
2115
2116	/* Get a new source bitmap which will be used by video recording code. */
2117	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
2118	QuerySourceBitmap(uScreenId, pSourceBitmap.asOutParam());
2119
2120	int rc2 = RTCritSectEnter(&mVideoRecLock);
2121	if (RT_SUCCESS(rc2))
2122	{
2123	maFramebuffers[uScreenId].Recording.pSourceBitmap = pSourceBitmap;
2124
2125	rc2 = RTCritSectLeave(&mVideoRecLock);
2126	AssertRC(rc2);
2127	}
2128	}
2129	#endif /* VBOX_WITH_RECORDING */
2130
2131	int Display::i_drawToScreenEMT(Display pDisplay, ULONG aScreenId, BYTE address,
2132	ULONG x, ULONG y, ULONG width, ULONG height)
2133	{
2134	int rc = VINF_SUCCESS;
2135
2136	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
2137
2138	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2139	{
2140	rc = pDisplay->mpDrv->pUpPort->pfnDisplayBlt(pDisplay->mpDrv->pUpPort, address, x, y, width, height);
2141	}
2142	else if (aScreenId < pDisplay->mcMonitors)
2143	{
2144	/* Copy the bitmap to the guest VRAM. */
2145	const uint8_t *pu8Src = address;
2146	int32_t xSrc = 0;
2147	int32_t ySrc = 0;
2148	uint32_t u32SrcWidth = width;
2149	uint32_t u32SrcHeight = height;
2150	uint32_t u32SrcLineSize = width * 4;
2151	uint32_t u32SrcBitsPerPixel = 32;
2152
2153	uint8_t *pu8Dst = pFBInfo->pu8FramebufferVRAM;
2154	int32_t xDst = x;
2155	int32_t yDst = y;
2156	uint32_t u32DstWidth = pFBInfo->w;
2157	uint32_t u32DstHeight = pFBInfo->h;
2158	uint32_t u32DstLineSize = pFBInfo->u32LineSize;
2159	uint32_t u32DstBitsPerPixel = pFBInfo->u16BitsPerPixel;
2160
2161	rc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2162	width, height,
2163	pu8Src,
2164	xSrc, ySrc,
2165	u32SrcWidth, u32SrcHeight,
2166	u32SrcLineSize, u32SrcBitsPerPixel,
2167	pu8Dst,
2168	xDst, yDst,
2169	u32DstWidth, u32DstHeight,
2170	u32DstLineSize, u32DstBitsPerPixel);
2171	if (RT_SUCCESS(rc))
2172	{
2173	if (!pFBInfo->pSourceBitmap.isNull())
2174	{
2175	/* Update the changed screen area. When source bitmap uses VRAM directly, just notify
2176	* frontend to update. And for default format, render the guest VRAM to the source bitmap.
2177	*/
2178	if ( pFBInfo->fDefaultFormat
2179	&& !pFBInfo->fDisabled)
2180	{
2181	BYTE *pAddress = NULL;
2182	ULONG ulWidth = 0;
2183	ULONG ulHeight = 0;
2184	ULONG ulBitsPerPixel = 0;
2185	ULONG ulBytesPerLine = 0;
2186	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2187
2188	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2189	&ulWidth,
2190	&ulHeight,
2191	&ulBitsPerPixel,
2192	&ulBytesPerLine,
2193	&bitmapFormat);
2194	if (SUCCEEDED(hrc))
2195	{
2196	pu8Src = pFBInfo->pu8FramebufferVRAM;
2197	xSrc = x;
2198	ySrc = y;
2199	u32SrcWidth = pFBInfo->w;
2200	u32SrcHeight = pFBInfo->h;
2201	u32SrcLineSize = pFBInfo->u32LineSize;
2202	u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2203
2204	/* Default format is 32 bpp. */
2205	pu8Dst = pAddress;
2206	xDst = xSrc;
2207	yDst = ySrc;
2208	u32DstWidth = u32SrcWidth;
2209	u32DstHeight = u32SrcHeight;
2210	u32DstLineSize = u32DstWidth * 4;
2211	u32DstBitsPerPixel = 32;
2212
2213	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2214	width, height,
2215	pu8Src,
2216	xSrc, ySrc,
2217	u32SrcWidth, u32SrcHeight,
2218	u32SrcLineSize, u32SrcBitsPerPixel,
2219	pu8Dst,
2220	xDst, yDst,
2221	u32DstWidth, u32DstHeight,
2222	u32DstLineSize, u32DstBitsPerPixel);
2223	}
2224	}
2225	}
2226
2227	pDisplay->i_handleDisplayUpdate(aScreenId, x, y, width, height);
2228	}
2229	}
2230	else
2231	{
2232	rc = VERR_INVALID_PARAMETER;
2233	}
2234
2235	if (RT_SUCCESS(rc))
2236	pDisplay->mParent->i_consoleVRDPServer()->SendUpdateBitmap(aScreenId, x, y, width, height);
2237
2238	return rc;
2239	}
2240
2241	HRESULT Display::drawToScreen(ULONG aScreenId, BYTE *aAddress, ULONG aX, ULONG aY, ULONG aWidth, ULONG aHeight)
2242	{
2243	/// @todo (r=dmik) this function may take too long to complete if the VM
2244	// is doing something like saving state right now. Which, in case if it
2245	// is called on the GUI thread, will make it unresponsive. We should
2246	// check the machine state here (by enclosing the check and VMRequCall
2247	// within the Console lock to make it atomic).
2248
2249	LogRelFlowFunc(("aAddress=%p, x=%d, y=%d, width=%d, height=%d\n",
2250	(void *)aAddress, aX, aY, aWidth, aHeight));
2251
2252	CheckComArgExpr(aWidth, aWidth != 0);
2253	CheckComArgExpr(aHeight, aHeight != 0);
2254
2255	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2256
2257	CHECK_CONSOLE_DRV(mpDrv);
2258
2259	Console::SafeVMPtr ptrVM(mParent);
2260	if (!ptrVM.isOk())
2261	return ptrVM.rc();
2262
2263	/* Release lock because the call scheduled on EMT may also try to take it. */
2264	alock.release();
2265
2266	/*
2267	* Again we're lazy and make the graphics device do all the
2268	* dirty conversion work.
2269	*/
2270	int vrc = VMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_drawToScreenEMT, 7,
2271	this, aScreenId, aAddress, aX, aY, aWidth, aHeight);
2272
2273	/*
2274	* If the function returns not supported, we'll have to do all the
2275	* work ourselves using the framebuffer.
2276	*/
2277	HRESULT rc = S_OK;
2278	if (vrc == VERR_NOT_SUPPORTED \|\| vrc == VERR_NOT_IMPLEMENTED)
2279	{
2280	/** @todo implement generic fallback for screen blitting. */
2281	rc = E_NOTIMPL;
2282	}
2283	else if (RT_FAILURE(vrc))
2284	rc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not draw to the screen (%Rrc)"), vrc);
2285	/// @todo
2286	// else
2287	// {
2288	// /* All ok. Redraw the screen. */
2289	// handleDisplayUpdate(x, y, width, height);
2290	// }
2291
2292	LogRelFlowFunc(("rc=%Rhrc\n", rc));
2293	return rc;
2294	}
2295
2296	int Display::i_InvalidateAndUpdateEMT(Display *pDisplay, unsigned uId, bool fUpdateAll)
2297	{
2298	LogRelFlowFunc(("uId=%d, fUpdateAll %d\n", uId, fUpdateAll));
2299
2300	unsigned uScreenId;
2301	for (uScreenId = (fUpdateAll ? 0 : uId); uScreenId < pDisplay->mcMonitors; uScreenId++)
2302	{
2303	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
2304
2305	if ( !pFBInfo->fVBVAEnabled
2306	&& uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2307	{
2308	pDisplay->mpDrv->pUpPort->pfnUpdateDisplayAll(pDisplay->mpDrv->pUpPort, /* fFailOnResize = */ true);
2309	}
2310	else
2311	{
2312	if (!pFBInfo->fDisabled)
2313	{
2314	/* Render complete VRAM screen to the framebuffer.
2315	* When framebuffer uses VRAM directly, just notify it to update.
2316	*/
2317	if (pFBInfo->fDefaultFormat && !pFBInfo->pSourceBitmap.isNull())
2318	{
2319	BYTE *pAddress = NULL;
2320	ULONG ulWidth = 0;
2321	ULONG ulHeight = 0;
2322	ULONG ulBitsPerPixel = 0;
2323	ULONG ulBytesPerLine = 0;
2324	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2325
2326	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2327	&ulWidth,
2328	&ulHeight,
2329	&ulBitsPerPixel,
2330	&ulBytesPerLine,
2331	&bitmapFormat);
2332	if (SUCCEEDED(hrc))
2333	{
2334	uint32_t width = pFBInfo->w;
2335	uint32_t height = pFBInfo->h;
2336
2337	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
2338	int32_t xSrc = 0;
2339	int32_t ySrc = 0;
2340	uint32_t u32SrcWidth = pFBInfo->w;
2341	uint32_t u32SrcHeight = pFBInfo->h;
2342	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
2343	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2344
2345	/* Default format is 32 bpp. */
2346	uint8_t *pu8Dst = pAddress;
2347	int32_t xDst = xSrc;
2348	int32_t yDst = ySrc;
2349	uint32_t u32DstWidth = u32SrcWidth;
2350	uint32_t u32DstHeight = u32SrcHeight;
2351	uint32_t u32DstLineSize = u32DstWidth * 4;
2352	uint32_t u32DstBitsPerPixel = 32;
2353
2354	/* if uWidth != pFBInfo->w and uHeight != pFBInfo->h
2355	* implies resize of Framebuffer is in progress and
2356	* copyrect should not be called.
2357	*/
2358	if (ulWidth == pFBInfo->w && ulHeight == pFBInfo->h)
2359	{
2360	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2361	width, height,
2362	pu8Src,
2363	xSrc, ySrc,
2364	u32SrcWidth, u32SrcHeight,
2365	u32SrcLineSize, u32SrcBitsPerPixel,
2366	pu8Dst,
2367	xDst, yDst,
2368	u32DstWidth, u32DstHeight,
2369	u32DstLineSize, u32DstBitsPerPixel);
2370	}
2371	}
2372	}
2373
2374	pDisplay->i_handleDisplayUpdate(uScreenId, 0, 0, pFBInfo->w, pFBInfo->h);
2375	}
2376	}
2377	if (!fUpdateAll)
2378	break;
2379	}
2380	LogRelFlowFunc(("done\n"));
2381	return VINF_SUCCESS;
2382	}
2383
2384	/**
2385	* Does a full invalidation of the VM display and instructs the VM
2386	* to update it immediately.
2387	*
2388	* @returns COM status code
2389	*/
2390
2391	HRESULT Display::invalidateAndUpdate()
2392	{
2393	LogRelFlowFunc(("\n"));
2394
2395	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2396
2397	CHECK_CONSOLE_DRV(mpDrv);
2398
2399	Console::SafeVMPtr ptrVM(mParent);
2400	if (!ptrVM.isOk())
2401	return ptrVM.rc();
2402
2403	HRESULT rc = S_OK;
2404
2405	LogRelFlowFunc(("Sending DPYUPDATE request\n"));
2406
2407	/* Have to release the lock when calling EMT. */
2408	alock.release();
2409
2410	int vrc = VMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2411	3, this, 0, true);
2412	alock.acquire();
2413
2414	if (RT_FAILURE(vrc))
2415	rc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not invalidate and update the screen (%Rrc)"), vrc);
2416
2417	LogRelFlowFunc(("rc=%Rhrc\n", rc));
2418	return rc;
2419	}
2420
2421	HRESULT Display::invalidateAndUpdateScreen(ULONG aScreenId)
2422	{
2423	LogRelFlowFunc(("\n"));
2424
2425	HRESULT rc = S_OK;
2426
2427	Console::SafeVMPtr ptrVM(mParent);
2428	if (!ptrVM.isOk())
2429	return ptrVM.rc();
2430
2431	int vrc = VMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2432	3, this, aScreenId, false);
2433	if (RT_FAILURE(vrc))
2434	rc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not invalidate and update the screen %d (%Rrc)"), aScreenId, vrc);
2435
2436	LogRelFlowFunc(("rc=%Rhrc\n", rc));
2437	return rc;
2438	}
2439
2440	HRESULT Display::completeVHWACommand(BYTE *aCommand)
2441	{
2442	#ifdef VBOX_WITH_VIDEOHWACCEL
2443	mpDrv->pVBVACallbacks->pfnVHWACommandCompleteAsync(mpDrv->pVBVACallbacks, (VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *)aCommand);
2444	return S_OK;
2445	#else
2446	RT_NOREF(aCommand);
2447	return E_NOTIMPL;
2448	#endif
2449	}
2450
2451	HRESULT Display::viewportChanged(ULONG aScreenId, ULONG aX, ULONG aY, ULONG aWidth, ULONG aHeight)
2452	{
2453	AssertMsgReturn(aScreenId < mcMonitors, ("aScreendId=%d mcMonitors=%d\n", aScreenId, mcMonitors), E_INVALIDARG);
2454
2455	/* The driver might not have been constructed yet */
2456	if (mpDrv && mpDrv->pUpPort->pfnSetViewport)
2457	mpDrv->pUpPort->pfnSetViewport(mpDrv->pUpPort, aScreenId, aX, aY, aWidth, aHeight);
2458
2459	return S_OK;
2460	}
2461
2462	HRESULT Display::querySourceBitmap(ULONG aScreenId,
2463	ComPtr<IDisplaySourceBitmap> &aDisplaySourceBitmap)
2464	{
2465	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2466
2467	Console::SafeVMPtr ptrVM(mParent);
2468	if (!ptrVM.isOk())
2469	return ptrVM.rc();
2470
2471	CHECK_CONSOLE_DRV(mpDrv);
2472
2473	bool fSetRenderVRAM = false;
2474	bool fInvalidate = false;
2475
2476	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2477
2478	if (aScreenId >= mcMonitors)
2479	return setError(E_INVALIDARG, tr("QuerySourceBitmap: Invalid screen %d (total %d)"),
2480	aScreenId, mcMonitors);
2481
2482	if (!mfSourceBitmapEnabled)
2483	{
2484	aDisplaySourceBitmap = NULL;
2485	return E_FAIL;
2486	}
2487
2488	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2489
2490	/* No source bitmap for a blank guest screen. */
2491	if (pFBInfo->flags & VBVA_SCREEN_F_BLANK)
2492	{
2493	aDisplaySourceBitmap = NULL;
2494	return E_FAIL;
2495	}
2496
2497	HRESULT hr = S_OK;
2498
2499	if (pFBInfo->pSourceBitmap.isNull())
2500	{
2501	/* Create a new object. */
2502	ComObjPtr<DisplaySourceBitmap> obj;
2503	hr = obj.createObject();
2504	if (SUCCEEDED(hr))
2505	hr = obj->init(this, aScreenId, pFBInfo);
2506
2507	if (SUCCEEDED(hr))
2508	{
2509	pFBInfo->pSourceBitmap = obj;
2510	pFBInfo->fDefaultFormat = !obj->i_usesVRAM();
2511
2512	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2513	{
2514	/* Start buffer updates. */
2515	BYTE *pAddress = NULL;
2516	ULONG ulWidth = 0;
2517	ULONG ulHeight = 0;
2518	ULONG ulBitsPerPixel = 0;
2519	ULONG ulBytesPerLine = 0;
2520	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2521
2522	pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2523	&ulWidth,
2524	&ulHeight,
2525	&ulBitsPerPixel,
2526	&ulBytesPerLine,
2527	&bitmapFormat);
2528
2529	mpDrv->IConnector.pbData = pAddress;
2530	mpDrv->IConnector.cbScanline = ulBytesPerLine;
2531	mpDrv->IConnector.cBits = ulBitsPerPixel;
2532	mpDrv->IConnector.cx = ulWidth;
2533	mpDrv->IConnector.cy = ulHeight;
2534
2535	fSetRenderVRAM = pFBInfo->fDefaultFormat;
2536	}
2537
2538	/* Make sure that the bitmap contains the latest image. */
2539	fInvalidate = pFBInfo->fDefaultFormat;
2540	}
2541	}
2542
2543	if (SUCCEEDED(hr))
2544	{
2545	pFBInfo->pSourceBitmap.queryInterfaceTo(aDisplaySourceBitmap.asOutParam());
2546	}
2547
2548	/* Leave the IDisplay lock because the VGA device must not be called under it. */
2549	alock.release();
2550
2551	if (SUCCEEDED(hr))
2552	{
2553	if (fSetRenderVRAM)
2554	{
2555	mpDrv->pUpPort->pfnSetRenderVRAM(mpDrv->pUpPort, true);
2556	}
2557
2558	if (fInvalidate)
2559	VMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2560	3, this, aScreenId, false);
2561	}
2562
2563	LogRelFlowFunc(("%Rhrc\n", hr));
2564	return hr;
2565	}
2566
2567	HRESULT Display::getGuestScreenLayout(std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenLayout)
2568	{
2569	NOREF(aGuestScreenLayout);
2570	return E_NOTIMPL;
2571	}
2572
2573	HRESULT Display::setScreenLayout(ScreenLayoutMode_T aScreenLayoutMode,
2574	const std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenInfo)
2575	{
2576	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2577
2578	if (aGuestScreenInfo.size() != mcMonitors)
2579	return E_INVALIDARG;
2580
2581	CHECK_CONSOLE_DRV(mpDrv);
2582
2583	/*
2584	* It is up to the guest to decide whether the hint is
2585	* valid. Therefore don't do any VRAM sanity checks here.
2586	*/
2587
2588	/* Have to release the lock because the pfnRequestDisplayChange
2589	* will call EMT. */
2590	alock.release();
2591
2592	VMMDev *pVMMDev = mParent->i_getVMMDev();
2593	if (pVMMDev)
2594	{
2595	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
2596	if (pVMMDevPort)
2597	{
2598	uint32_t const cDisplays = (uint32_t)aGuestScreenInfo.size();
2599
2600	size_t const cbAlloc = cDisplays * sizeof(VMMDevDisplayDef);
2601	VMMDevDisplayDef paDisplayDefs = (VMMDevDisplayDef )RTMemAlloc(cbAlloc);
2602	if (paDisplayDefs)
2603	{
2604	for (uint32_t i = 0; i < cDisplays; ++i)
2605	{
2606	VMMDevDisplayDef *p = &paDisplayDefs[i];
2607	ComPtr<IGuestScreenInfo> pScreenInfo = aGuestScreenInfo[i];
2608
2609	ULONG screenId = 0;
2610	GuestMonitorStatus_T guestMonitorStatus = GuestMonitorStatus_Enabled;
2611	BOOL origin = FALSE;
2612	BOOL primary = FALSE;
2613	LONG originX = 0;
2614	LONG originY = 0;
2615	ULONG width = 0;
2616	ULONG height = 0;
2617	ULONG bitsPerPixel = 0;
2618
2619	pScreenInfo->COMGETTER(ScreenId) (&screenId);
2620	pScreenInfo->COMGETTER(GuestMonitorStatus)(&guestMonitorStatus);
2621	pScreenInfo->COMGETTER(Primary) (&primary);
2622	pScreenInfo->COMGETTER(Origin) (&origin);
2623	pScreenInfo->COMGETTER(OriginX) (&originX);
2624	pScreenInfo->COMGETTER(OriginY) (&originY);
2625	pScreenInfo->COMGETTER(Width) (&width);
2626	pScreenInfo->COMGETTER(Height) (&height);
2627	pScreenInfo->COMGETTER(BitsPerPixel)(&bitsPerPixel);
2628
2629	LogFlowFunc(("%d %d,%d %dx%d\n", screenId, originX, originY, width, height));
2630
2631	p->idDisplay = screenId;
2632	p->xOrigin = originX;
2633	p->yOrigin = originY;
2634	p->cx = width;
2635	p->cy = height;
2636	p->cBitsPerPixel = bitsPerPixel;
2637	p->fDisplayFlags = VMMDEV_DISPLAY_CX \| VMMDEV_DISPLAY_CY \| VMMDEV_DISPLAY_BPP;
2638	if (guestMonitorStatus == GuestMonitorStatus_Disabled)
2639	p->fDisplayFlags \|= VMMDEV_DISPLAY_DISABLED;
2640	if (origin)
2641	p->fDisplayFlags \|= VMMDEV_DISPLAY_ORIGIN;
2642	if (primary)
2643	p->fDisplayFlags \|= VMMDEV_DISPLAY_PRIMARY;
2644	}
2645
2646	bool const fForce = aScreenLayoutMode == ScreenLayoutMode_Reset
2647	\|\| aScreenLayoutMode == ScreenLayoutMode_Apply;
2648	bool const fNotify = aScreenLayoutMode != ScreenLayoutMode_Silent;
2649	pVMMDevPort->pfnRequestDisplayChange(pVMMDevPort, cDisplays, paDisplayDefs, fForce, fNotify);
2650
2651	RTMemFree(paDisplayDefs);
2652	}
2653	}
2654	}
2655	return S_OK;
2656	}
2657
2658	HRESULT Display::detachScreens(const std::vector<LONG> &aScreenIds)
2659	{
2660	NOREF(aScreenIds);
2661	return E_NOTIMPL;
2662	}
2663
2664	HRESULT Display::createGuestScreenInfo(ULONG aDisplay,
2665	GuestMonitorStatus_T aStatus,
2666	BOOL aPrimary,
2667	BOOL aChangeOrigin,
2668	LONG aOriginX,
2669	LONG aOriginY,
2670	ULONG aWidth,
2671	ULONG aHeight,
2672	ULONG aBitsPerPixel,
2673	ComPtr<IGuestScreenInfo> &aGuestScreenInfo)
2674	{
2675	/* Create a new object. */
2676	ComObjPtr<GuestScreenInfo> obj;
2677	HRESULT hr = obj.createObject();
2678	if (SUCCEEDED(hr))
2679	hr = obj->init(aDisplay, aStatus, aPrimary, aChangeOrigin, aOriginX, aOriginY,
2680	aWidth, aHeight, aBitsPerPixel);
2681	if (SUCCEEDED(hr))
2682	obj.queryInterfaceTo(aGuestScreenInfo.asOutParam());
2683
2684	return hr;
2685	}
2686
2687
2688	/*
2689	* GuestScreenInfo implementation.
2690	*/
2691	DEFINE_EMPTY_CTOR_DTOR(GuestScreenInfo)
2692
2693	HRESULT GuestScreenInfo::FinalConstruct()
2694	{
2695	return BaseFinalConstruct();
2696	}
2697
2698	void GuestScreenInfo::FinalRelease()
2699	{
2700	uninit();
2701
2702	BaseFinalRelease();
2703	}
2704
2705	HRESULT GuestScreenInfo::init(ULONG aDisplay,
2706	GuestMonitorStatus_T aGuestMonitorStatus,
2707	BOOL aPrimary,
2708	BOOL aChangeOrigin,
2709	LONG aOriginX,
2710	LONG aOriginY,
2711	ULONG aWidth,
2712	ULONG aHeight,
2713	ULONG aBitsPerPixel)
2714	{
2715	LogFlowThisFunc(("[%u]\n", aDisplay));
2716
2717	/* Enclose the state transition NotReady->InInit->Ready */
2718	AutoInitSpan autoInitSpan(this);
2719	AssertReturn(autoInitSpan.isOk(), E_FAIL);
2720
2721	mScreenId = aDisplay;
2722	mGuestMonitorStatus = aGuestMonitorStatus;
2723	mPrimary = aPrimary;
2724	mOrigin = aChangeOrigin;
2725	mOriginX = aOriginX;
2726	mOriginY = aOriginY;
2727	mWidth = aWidth;
2728	mHeight = aHeight;
2729	mBitsPerPixel = aBitsPerPixel;
2730
2731	/* Confirm a successful initialization */
2732	autoInitSpan.setSucceeded();
2733
2734	return S_OK;
2735	}
2736
2737	void GuestScreenInfo::uninit()
2738	{
2739	/* Enclose the state transition Ready->InUninit->NotReady */
2740	AutoUninitSpan autoUninitSpan(this);
2741	if (autoUninitSpan.uninitDone())
2742	return;
2743
2744	LogFlowThisFunc(("[%u]\n", mScreenId));
2745	}
2746
2747	HRESULT GuestScreenInfo::getScreenId(ULONG *aScreenId)
2748	{
2749	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2750	*aScreenId = mScreenId;
2751	return S_OK;
2752	}
2753
2754	HRESULT GuestScreenInfo::getGuestMonitorStatus(GuestMonitorStatus_T *aGuestMonitorStatus)
2755	{
2756	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2757	*aGuestMonitorStatus = mGuestMonitorStatus;
2758	return S_OK;
2759	}
2760
2761	HRESULT GuestScreenInfo::getPrimary(BOOL *aPrimary)
2762	{
2763	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2764	*aPrimary = mPrimary;
2765	return S_OK;
2766	}
2767
2768	HRESULT GuestScreenInfo::getOrigin(BOOL *aOrigin)
2769	{
2770	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2771	*aOrigin = mOrigin;
2772	return S_OK;
2773	}
2774
2775	HRESULT GuestScreenInfo::getOriginX(LONG *aOriginX)
2776	{
2777	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2778	*aOriginX = mOriginX;
2779	return S_OK;
2780	}
2781
2782	HRESULT GuestScreenInfo::getOriginY(LONG *aOriginY)
2783	{
2784	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2785	*aOriginY = mOriginY;
2786	return S_OK;
2787	}
2788
2789	HRESULT GuestScreenInfo::getWidth(ULONG *aWidth)
2790	{
2791	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2792	*aWidth = mWidth;
2793	return S_OK;
2794	}
2795
2796	HRESULT GuestScreenInfo::getHeight(ULONG *aHeight)
2797	{
2798	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2799	*aHeight = mHeight;
2800	return S_OK;
2801	}
2802
2803	HRESULT GuestScreenInfo::getBitsPerPixel(ULONG *aBitsPerPixel)
2804	{
2805	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2806	*aBitsPerPixel = mBitsPerPixel;
2807	return S_OK;
2808	}
2809
2810	HRESULT GuestScreenInfo::getExtendedInfo(com::Utf8Str &aExtendedInfo)
2811	{
2812	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2813	aExtendedInfo = com::Utf8Str();
2814	return S_OK;
2815	}
2816
2817	// wrapped IEventListener method
2818	HRESULT Display::handleEvent(const ComPtr<IEvent> &aEvent)
2819	{
2820	VBoxEventType_T aType = VBoxEventType_Invalid;
2821
2822	aEvent->COMGETTER(Type)(&aType);
2823	switch (aType)
2824	{
2825	case VBoxEventType_OnStateChanged:
2826	{
2827	ComPtr<IStateChangedEvent> scev = aEvent;
2828	Assert(scev);
2829	MachineState_T machineState;
2830	scev->COMGETTER(State)(&machineState);
2831	if ( machineState == MachineState_Running
2832	\|\| machineState == MachineState_Teleporting
2833	\|\| machineState == MachineState_LiveSnapshotting
2834	\|\| machineState == MachineState_DeletingSnapshotOnline
2835	)
2836	{
2837	LogRelFlowFunc(("Machine is running.\n"));
2838
2839	}
2840	break;
2841	}
2842	default:
2843	AssertFailed();
2844	}
2845
2846	return S_OK;
2847	}
2848
2849
2850	// private methods
2851	/////////////////////////////////////////////////////////////////////////////
2852
2853	/**
2854	* Handle display resize event issued by the VGA device for the primary screen.
2855	*
2856	* @see PDMIDISPLAYCONNECTOR::pfnResize
2857	*/
2858	DECLCALLBACK(int) Display::i_displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface,
2859	uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy)
2860	{
2861	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2862	Display *pThis = pDrv->pDisplay;
2863
2864	LogRelFlowFunc(("bpp %d, pvVRAM %p, cbLine %d, cx %d, cy %d\n",
2865	bpp, pvVRAM, cbLine, cx, cy));
2866
2867	bool f = ASMAtomicCmpXchgBool(&pThis->fVGAResizing, true, false);
2868	if (!f)
2869	{
2870	/* This is a result of recursive call when the source bitmap is being updated
2871	* during a VGA resize. Tell the VGA device to ignore the call.
2872	*
2873	* @todo It is a workaround, actually pfnUpdateDisplayAll must
2874	* fail on resize.
2875	*/
2876	LogRel(("displayResizeCallback: already processing\n"));
2877	return VINF_VGA_RESIZE_IN_PROGRESS;
2878	}
2879
2880	int rc = pThis->i_handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, bpp, pvVRAM, cbLine, cx, cy, 0, 0, 0, true);
2881
2882	/* Restore the flag. */
2883	f = ASMAtomicCmpXchgBool(&pThis->fVGAResizing, false, true);
2884	AssertRelease(f);
2885
2886	return rc;
2887	}
2888
2889	/**
2890	* Handle display update.
2891	*
2892	* @see PDMIDISPLAYCONNECTOR::pfnUpdateRect
2893	*/
2894	DECLCALLBACK(void) Display::i_displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
2895	uint32_t x, uint32_t y, uint32_t cx, uint32_t cy)
2896	{
2897	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2898
2899	#ifdef DEBUG_sunlover
2900	LogFlowFunc(("fVideoAccelEnabled = %d, %d,%d %dx%d\n",
2901	pDrv->pDisplay->mVideoAccelLegacy.fVideoAccelEnabled, x, y, cx, cy));
2902	#endif /* DEBUG_sunlover */
2903
2904	/* This call does update regardless of VBVA status.
2905	* But in VBVA mode this is called only as result of
2906	* pfnUpdateDisplayAll in the VGA device.
2907	*/
2908
2909	pDrv->pDisplay->i_handleDisplayUpdate(VBOX_VIDEO_PRIMARY_SCREEN, x, y, cx, cy);
2910	}
2911
2912	/**
2913	* Periodic display refresh callback.
2914	*
2915	* @see PDMIDISPLAYCONNECTOR::pfnRefresh
2916	* @thread EMT
2917	*/
2918	/static/ DECLCALLBACK(void) Display::i_displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface)
2919	{
2920	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2921
2922	#ifdef DEBUG_sunlover_2
2923	LogFlowFunc(("pDrv->pDisplay->mfVideoAccelEnabled = %d\n",
2924	pDrv->pDisplay->mfVideoAccelEnabled));
2925	#endif /* DEBUG_sunlover_2 */
2926
2927	Display *pDisplay = pDrv->pDisplay;
2928	unsigned uScreenId;
2929
2930	int rc = pDisplay->i_videoAccelRefreshProcess(pDrv->pUpPort);
2931	if (rc != VINF_TRY_AGAIN) /* Means 'do nothing' here. */
2932	{
2933	if (rc == VWRN_INVALID_STATE)
2934	{
2935	/* No VBVA do a display update. */
2936	pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
2937	}
2938
2939	/* Inform the VRDP server that the current display update sequence is
2940	* completed. At this moment the framebuffer memory contains a definite
2941	* image, that is synchronized with the orders already sent to VRDP client.
2942	* The server can now process redraw requests from clients or initial
2943	* fullscreen updates for new clients.
2944	*/
2945	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2946	{
2947	Assert(pDisplay->mParent && pDisplay->mParent->i_consoleVRDPServer());
2948	pDisplay->mParent->i_consoleVRDPServer()->SendUpdate(uScreenId, NULL, 0);
2949	}
2950	}
2951
2952	#ifdef VBOX_WITH_RECORDING
2953	AssertPtr(pDisplay->mParent);
2954	RecordingContext *pCtx = pDisplay->mParent->i_recordingGetContext();
2955
2956	if ( pCtx
2957	&& pCtx->IsStarted()
2958	&& pCtx->IsFeatureEnabled(RecordingFeature_Video))
2959	{
2960	do
2961	{
2962	/* If the recording context has reached the configured recording
2963	* limit, disable recording. */
2964	if (pCtx->IsLimitReached())
2965	{
2966	pDisplay->mParent->i_onRecordingChange(FALSE /* Disable */);
2967	break;
2968	}
2969
2970	uint64_t tsNowMs = RTTimeProgramMilliTS();
2971	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2972	{
2973	if (!pDisplay->maRecordingEnabled[uScreenId])
2974	continue;
2975
2976	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
2977	if (!pFBInfo->fDisabled)
2978	{
2979	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
2980	int rc2 = RTCritSectEnter(&pDisplay->mVideoRecLock);
2981	if (RT_SUCCESS(rc2))
2982	{
2983	pSourceBitmap = pFBInfo->Recording.pSourceBitmap;
2984	RTCritSectLeave(&pDisplay->mVideoRecLock);
2985	}
2986
2987	if (!pSourceBitmap.isNull())
2988	{
2989	BYTE *pbAddress = NULL;
2990	ULONG ulWidth = 0;
2991	ULONG ulHeight = 0;
2992	ULONG ulBitsPerPixel = 0;
2993	ULONG ulBytesPerLine = 0;
2994	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2995	HRESULT hr = pSourceBitmap->QueryBitmapInfo(&pbAddress,
2996	&ulWidth,
2997	&ulHeight,
2998	&ulBitsPerPixel,
2999	&ulBytesPerLine,
3000	&bitmapFormat);
3001	if (SUCCEEDED(hr) && pbAddress)
3002	rc = pCtx->SendVideoFrame(uScreenId, 0, 0, BitmapFormat_BGR,
3003	ulBitsPerPixel, ulBytesPerLine, ulWidth, ulHeight,
3004	pbAddress, tsNowMs);
3005	else
3006	rc = VERR_NOT_SUPPORTED;
3007
3008	pSourceBitmap.setNull();
3009	}
3010	else
3011	rc = VERR_NOT_SUPPORTED;
3012
3013	if (rc == VINF_TRY_AGAIN)
3014	break;
3015	}
3016	}
3017	} while (0);
3018	}
3019	#endif /* VBOX_WITH_RECORDING */
3020
3021	#ifdef DEBUG_sunlover_2
3022	LogFlowFunc(("leave\n"));
3023	#endif /* DEBUG_sunlover_2 */
3024	}
3025
3026	/**
3027	* Reset notification
3028	*
3029	* @see PDMIDISPLAYCONNECTOR::pfnReset
3030	*/
3031	DECLCALLBACK(void) Display::i_displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface)
3032	{
3033	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3034
3035	LogRelFlowFunc(("\n"));
3036
3037	/* Disable VBVA mode. */
3038	pDrv->pDisplay->VideoAccelEnableVGA(false, NULL);
3039	}
3040
3041	/**
3042	* LFBModeChange notification
3043	*
3044	* @see PDMIDISPLAYCONNECTOR::pfnLFBModeChange
3045	*/
3046	DECLCALLBACK(void) Display::i_displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled)
3047	{
3048	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3049
3050	LogRelFlowFunc(("fEnabled=%d\n", fEnabled));
3051
3052	NOREF(fEnabled);
3053
3054	/* Disable VBVA mode in any case. The guest driver reenables VBVA mode if necessary. */
3055	pDrv->pDisplay->VideoAccelEnableVGA(false, NULL);
3056	}
3057
3058	/**
3059	* Adapter information change notification.
3060	*
3061	* @see PDMIDISPLAYCONNECTOR::pfnProcessAdapterData
3062	*/
3063	DECLCALLBACK(void) Display::i_displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM,
3064	uint32_t u32VRAMSize)
3065	{
3066	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3067	pDrv->pDisplay->processAdapterData(pvVRAM, u32VRAMSize);
3068	}
3069
3070	/**
3071	* Display information change notification.
3072	*
3073	* @see PDMIDISPLAYCONNECTOR::pfnProcessDisplayData
3074	*/
3075	DECLCALLBACK(void) Display::i_displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
3076	void *pvVRAM, unsigned uScreenId)
3077	{
3078	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3079	pDrv->pDisplay->processDisplayData(pvVRAM, uScreenId);
3080	}
3081
3082	#ifdef VBOX_WITH_VIDEOHWACCEL
3083
3084	int Display::i_handleVHWACommandProcess(int enmCmd, bool fGuestCmd, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand)
3085	{
3086	unsigned id = (unsigned)pCommand->iDisplay;
3087	if (id >= mcMonitors)
3088	return VERR_INVALID_PARAMETER;
3089
3090	ComPtr<IFramebuffer> pFramebuffer;
3091	AutoReadLock arlock(this COMMA_LOCKVAL_SRC_POS);
3092	pFramebuffer = maFramebuffers[id].pFramebuffer;
3093	bool fVHWASupported = RT_BOOL(maFramebuffers[id].u32Caps & FramebufferCapabilities_VHWA);
3094	arlock.release();
3095
3096	if (pFramebuffer == NULL \|\| !fVHWASupported)
3097	return VERR_NOT_IMPLEMENTED; /* Implementation is not available. */
3098
3099	HRESULT hr = pFramebuffer->ProcessVHWACommand((BYTE *)pCommand, enmCmd, fGuestCmd);
3100	if (hr == S_FALSE)
3101	return VINF_SUCCESS;
3102	if (SUCCEEDED(hr))
3103	return VINF_CALLBACK_RETURN;
3104	if (hr == E_ACCESSDENIED)
3105	return VERR_INVALID_STATE; /* notify we can not handle request atm */
3106	if (hr == E_NOTIMPL)
3107	return VERR_NOT_IMPLEMENTED;
3108	return VERR_GENERAL_FAILURE;
3109	}
3110
3111	DECLCALLBACK(int) Display::i_displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, int enmCmd, bool fGuestCmd,
3112	VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand)
3113	{
3114	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3115
3116	return pDrv->pDisplay->i_handleVHWACommandProcess(enmCmd, fGuestCmd, pCommand);
3117	}
3118
3119	#endif /* VBOX_WITH_VIDEOHWACCEL */
3120
3121	HRESULT Display::notifyScaleFactorChange(ULONG aScreenId, ULONG aScaleFactorWMultiplied, ULONG aScaleFactorHMultiplied)
3122	{
3123	RT_NOREF(aScreenId, aScaleFactorWMultiplied, aScaleFactorHMultiplied);
3124	# if 0 /** @todo Thank you so very much from anyone using VMSVGA3d! */
3125	AssertMsgFailed(("Attempt to specify OpenGL content scale factor while 3D acceleration is disabled in VM config. Ignored.\n"));
3126	# else
3127	/* Need an interface like this here (and the #ifdefs needs adjusting):
3128	PPDMIDISPLAYPORT pUpPort = mpDrv ? mpDrv->pUpPort : NULL;
3129	if (pUpPort && pUpPort->pfnSetScaleFactor)
3130	pUpPort->pfnSetScaleFactor(pUpPort, aScreeId, aScaleFactorWMultiplied, aScaleFactorHMultiplied); */
3131	# endif
3132	return S_OK;
3133	}
3134
3135	HRESULT Display::notifyHiDPIOutputPolicyChange(BOOL fUnscaledHiDPI)
3136	{
3137	RT_NOREF(fUnscaledHiDPI);
3138
3139	/* Need an interface like this here (and the #ifdefs needs adjusting):
3140	PPDMIDISPLAYPORT pUpPort = mpDrv ? mpDrv->pUpPort : NULL;
3141	if (pUpPort && pUpPort->pfnSetScaleFactor)
3142	pUpPort->pfnSetScaleFactor(pUpPort, aScreeId, aScaleFactorWMultiplied, aScaleFactorHMultiplied); */
3143
3144	return S_OK;
3145	}
3146
3147	#ifdef VBOX_WITH_HGSMI
3148	/**
3149	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVAEnable}
3150	*/
3151	DECLCALLBACK(int) Display::i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
3152	VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pHostFlags)
3153	{
3154	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
3155
3156	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3157	Display *pThis = pDrv->pDisplay;
3158
3159	if (pThis->maFramebuffers[uScreenId].fVBVAEnabled)
3160	{
3161	LogRel(("Enabling different vbva mode\n"));
3162	#ifdef DEBUG_misha
3163	AssertMsgFailed(("enabling different vbva mode\n"));
3164	#endif
3165	return VERR_INVALID_STATE;
3166	}
3167
3168	pThis->maFramebuffers[uScreenId].fVBVAEnabled = true;
3169	pThis->maFramebuffers[uScreenId].pVBVAHostFlags = pHostFlags;
3170	pThis->maFramebuffers[uScreenId].fVBVAForceResize = true;
3171
3172	vbvaSetMemoryFlagsHGSMI(uScreenId, pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, &pThis->maFramebuffers[uScreenId]);
3173
3174	return VINF_SUCCESS;
3175	}
3176
3177	/**
3178	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVADisable}
3179	*/
3180	DECLCALLBACK(void) Display::i_displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3181	{
3182	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
3183
3184	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3185	Display *pThis = pDrv->pDisplay;
3186
3187	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3188
3189	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3190	{
3191	/* Make sure that the primary screen is visible now.
3192	* The guest can't use VBVA anymore, so only only the VGA device output works.
3193	*/
3194	pFBInfo->flags = 0;
3195	if (pFBInfo->fDisabled)
3196	{
3197	pFBInfo->fDisabled = false;
3198	fireGuestMonitorChangedEvent(pThis->mParent->i_getEventSource(),
3199	GuestMonitorChangedEventType_Enabled,
3200	uScreenId,
3201	pFBInfo->xOrigin, pFBInfo->yOrigin,
3202	pFBInfo->w, pFBInfo->h);
3203	}
3204	}
3205
3206	pFBInfo->fVBVAEnabled = false;
3207	pFBInfo->fVBVAForceResize = false;
3208
3209	vbvaSetMemoryFlagsHGSMI(uScreenId, 0, false, pFBInfo);
3210
3211	pFBInfo->pVBVAHostFlags = NULL;
3212
3213	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3214	{
3215	/* Force full screen update, because VGA device must take control, do resize, etc. */
3216	pThis->mpDrv->pUpPort->pfnUpdateDisplayAll(pThis->mpDrv->pUpPort, /* fFailOnResize = */ false);
3217	}
3218	}
3219
3220	DECLCALLBACK(void) Display::i_displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3221	{
3222	RT_NOREF(uScreenId);
3223	LogFlowFunc(("uScreenId %d\n", uScreenId));
3224
3225	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3226	Display *pThis = pDrv->pDisplay;
3227
3228	if (ASMAtomicReadU32(&pThis->mu32UpdateVBVAFlags) > 0)
3229	{
3230	vbvaSetMemoryFlagsAllHGSMI(pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, pThis->maFramebuffers,
3231	pThis->mcMonitors);
3232	ASMAtomicDecU32(&pThis->mu32UpdateVBVAFlags);
3233	}
3234	}
3235
3236	/**
3237	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVAUpdateProcess}
3238	*/
3239	DECLCALLBACK(void) Display::i_displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
3240	struct VBVACMDHDR const RT_UNTRUSTED_VOLATILE_GUEST *pCmd, size_t cbCmd)
3241	{
3242	LogFlowFunc(("uScreenId %d pCmd %p cbCmd %d, @%d,%d %dx%d\n", uScreenId, pCmd, cbCmd, pCmd->x, pCmd->y, pCmd->w, pCmd->h));
3243	VBVACMDHDR hdrSaved;
3244	RT_COPY_VOLATILE(hdrSaved, *pCmd);
3245	RT_UNTRUSTED_NONVOLATILE_COPY_FENCE();
3246
3247	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3248	Display *pThis = pDrv->pDisplay;
3249	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3250
3251	if (pFBInfo->fDefaultFormat)
3252	{
3253	/* Make sure that framebuffer contains the same image as the guest VRAM. */
3254	if ( uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
3255	&& !pFBInfo->fDisabled)
3256	{
3257	pDrv->pUpPort->pfnUpdateDisplayRect(pDrv->pUpPort, hdrSaved.x, hdrSaved.y, hdrSaved.w, hdrSaved.h);
3258	}
3259	else if ( !pFBInfo->pSourceBitmap.isNull()
3260	&& !pFBInfo->fDisabled)
3261	{
3262	/* Render VRAM content to the framebuffer. */
3263	BYTE *pAddress = NULL;
3264	ULONG ulWidth = 0;
3265	ULONG ulHeight = 0;
3266	ULONG ulBitsPerPixel = 0;
3267	ULONG ulBytesPerLine = 0;
3268	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
3269
3270	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
3271	&ulWidth,
3272	&ulHeight,
3273	&ulBitsPerPixel,
3274	&ulBytesPerLine,
3275	&bitmapFormat);
3276	if (SUCCEEDED(hrc))
3277	{
3278	uint32_t width = hdrSaved.w;
3279	uint32_t height = hdrSaved.h;
3280
3281	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
3282	int32_t xSrc = hdrSaved.x - pFBInfo->xOrigin;
3283	int32_t ySrc = hdrSaved.y - pFBInfo->yOrigin;
3284	uint32_t u32SrcWidth = pFBInfo->w;
3285	uint32_t u32SrcHeight = pFBInfo->h;
3286	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
3287	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
3288
3289	uint8_t *pu8Dst = pAddress;
3290	int32_t xDst = xSrc;
3291	int32_t yDst = ySrc;
3292	uint32_t u32DstWidth = u32SrcWidth;
3293	uint32_t u32DstHeight = u32SrcHeight;
3294	uint32_t u32DstLineSize = u32DstWidth * 4;
3295	uint32_t u32DstBitsPerPixel = 32;
3296
3297	pDrv->pUpPort->pfnCopyRect(pDrv->pUpPort,
3298	width, height,
3299	pu8Src,
3300	xSrc, ySrc,
3301	u32SrcWidth, u32SrcHeight,
3302	u32SrcLineSize, u32SrcBitsPerPixel,
3303	pu8Dst,
3304	xDst, yDst,
3305	u32DstWidth, u32DstHeight,
3306	u32DstLineSize, u32DstBitsPerPixel);
3307	}
3308	}
3309	}
3310
3311	/*
3312	* Here is your classic 'temporary' solution.
3313	*/
3314	/** @todo New SendUpdate entry which can get a separate cmd header or coords. */
3315	VBVACMDHDR pHdrUnconst = (VBVACMDHDR )pCmd;
3316
3317	pHdrUnconst->x -= (int16_t)pFBInfo->xOrigin;
3318	pHdrUnconst->y -= (int16_t)pFBInfo->yOrigin;
3319
3320	pThis->mParent->i_consoleVRDPServer()->SendUpdate(uScreenId, pHdrUnconst, (uint32_t)cbCmd);
3321
3322	*pHdrUnconst = hdrSaved;
3323	}
3324
3325	DECLCALLBACK(void) Display::i_displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y,
3326	uint32_t cx, uint32_t cy)
3327	{
3328	LogFlowFunc(("uScreenId %d %d,%d %dx%d\n", uScreenId, x, y, cx, cy));
3329
3330	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3331	Display *pThis = pDrv->pDisplay;
3332	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3333
3334	/** @todo handleFramebufferUpdate (uScreenId,
3335	* x - pThis->maFramebuffers[uScreenId].xOrigin,
3336	* y - pThis->maFramebuffers[uScreenId].yOrigin,
3337	* cx, cy);
3338	*/
3339	pThis->i_handleDisplayUpdate(uScreenId, x - pFBInfo->xOrigin, y - pFBInfo->yOrigin, cx, cy);
3340	}
3341
3342	#ifdef DEBUG_sunlover
3343	static void logVBVAResize(PCVBVAINFOVIEW pView, PCVBVAINFOSCREEN pScreen, const DISPLAYFBINFO *pFBInfo)
3344	{
3345	LogRel(("displayVBVAResize: [%d] %s\n"
3346	" pView->u32ViewIndex %d\n"
3347	" pView->u32ViewOffset 0x%08X\n"
3348	" pView->u32ViewSize 0x%08X\n"
3349	" pView->u32MaxScreenSize 0x%08X\n"
3350	" pScreen->i32OriginX %d\n"
3351	" pScreen->i32OriginY %d\n"
3352	" pScreen->u32StartOffset 0x%08X\n"
3353	" pScreen->u32LineSize 0x%08X\n"
3354	" pScreen->u32Width %d\n"
3355	" pScreen->u32Height %d\n"
3356	" pScreen->u16BitsPerPixel %d\n"
3357	" pScreen->u16Flags 0x%04X\n"
3358	" pFBInfo->u32Offset 0x%08X\n"
3359	" pFBInfo->u32MaxFramebufferSize 0x%08X\n"
3360	" pFBInfo->u32InformationSize 0x%08X\n"
3361	" pFBInfo->fDisabled %d\n"
3362	" xOrigin, yOrigin, w, h: %d,%d %dx%d\n"
3363	" pFBInfo->u16BitsPerPixel %d\n"
3364	" pFBInfo->pu8FramebufferVRAM %p\n"
3365	" pFBInfo->u32LineSize 0x%08X\n"
3366	" pFBInfo->flags 0x%04X\n"
3367	" pFBInfo->pHostEvents %p\n"
3368	" pFBInfo->fDefaultFormat %d\n"
3369	" pFBInfo->fVBVAEnabled %d\n"
3370	" pFBInfo->fVBVAForceResize %d\n"
3371	" pFBInfo->pVBVAHostFlags %p\n"
3372	"",
3373	pScreen->u32ViewIndex,
3374	(pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)? "DISABLED": "ENABLED",
3375	pView->u32ViewIndex,
3376	pView->u32ViewOffset,
3377	pView->u32ViewSize,
3378	pView->u32MaxScreenSize,
3379	pScreen->i32OriginX,
3380	pScreen->i32OriginY,
3381	pScreen->u32StartOffset,
3382	pScreen->u32LineSize,
3383	pScreen->u32Width,
3384	pScreen->u32Height,
3385	pScreen->u16BitsPerPixel,
3386	pScreen->u16Flags,
3387	pFBInfo->u32Offset,
3388	pFBInfo->u32MaxFramebufferSize,
3389	pFBInfo->u32InformationSize,
3390	pFBInfo->fDisabled,
3391	pFBInfo->xOrigin,
3392	pFBInfo->yOrigin,
3393	pFBInfo->w,
3394	pFBInfo->h,
3395	pFBInfo->u16BitsPerPixel,
3396	pFBInfo->pu8FramebufferVRAM,
3397	pFBInfo->u32LineSize,
3398	pFBInfo->flags,
3399	pFBInfo->pHostEvents,
3400	pFBInfo->fDefaultFormat,
3401	pFBInfo->fVBVAEnabled,
3402	pFBInfo->fVBVAForceResize,
3403	pFBInfo->pVBVAHostFlags
3404	));
3405	}
3406	#endif /* DEBUG_sunlover */
3407
3408	DECLCALLBACK(int) Display::i_displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, PCVBVAINFOVIEW pView,
3409	PCVBVAINFOSCREEN pScreen, void *pvVRAM, bool fResetInputMapping)
3410	{
3411	LogRelFlowFunc(("pScreen %p, pvVRAM %p\n", pScreen, pvVRAM));
3412
3413	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3414	Display *pThis = pDrv->pDisplay;
3415
3416	return pThis->processVBVAResize(pView, pScreen, pvVRAM, fResetInputMapping);
3417	}
3418
3419	int Display::processVBVAResize(PCVBVAINFOVIEW pView, PCVBVAINFOSCREEN pScreen, void *pvVRAM, bool fResetInputMapping)
3420	{
3421	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3422
3423	RT_NOREF(pView);
3424
3425	DISPLAYFBINFO *pFBInfo = &maFramebuffers[pScreen->u32ViewIndex];
3426
3427	#ifdef DEBUG_sunlover
3428	logVBVAResize(pView, pScreen, pFBInfo);
3429	#endif
3430
3431	if (pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)
3432	{
3433	/* Ask the framebuffer to resize using a default format. The framebuffer will be black.
3434	* So if the frontend does not support GuestMonitorChangedEventType_Disabled event,
3435	* the VM window will be black. */
3436	uint32_t u32Width = pFBInfo->w ? pFBInfo->w : 640;
3437	uint32_t u32Height = pFBInfo->h ? pFBInfo->h : 480;
3438	int32_t xOrigin = pFBInfo->xOrigin;
3439	int32_t yOrigin = pFBInfo->yOrigin;
3440
3441	alock.release();
3442
3443	i_handleDisplayResize(pScreen->u32ViewIndex, 0, (uint8_t *)NULL, 0,
3444	u32Width, u32Height, pScreen->u16Flags, xOrigin, yOrigin, false);
3445
3446	return VINF_SUCCESS;
3447	}
3448
3449	VBVAINFOSCREEN screenInfo;
3450	RT_ZERO(screenInfo);
3451
3452	if (pScreen->u16Flags & VBVA_SCREEN_F_BLANK2)
3453	{
3454	/* Init a local VBVAINFOSCREEN structure, which will be used instead of
3455	* the original pScreen. Set VBVA_SCREEN_F_BLANK, which will force
3456	* the code below to choose the "blanking" branches.
3457	*/
3458	screenInfo.u32ViewIndex = pScreen->u32ViewIndex;
3459	screenInfo.i32OriginX = pFBInfo->xOrigin;
3460	screenInfo.i32OriginY = pFBInfo->yOrigin;
3461	screenInfo.u32StartOffset = 0; /* Irrelevant */
3462	screenInfo.u32LineSize = pFBInfo->u32LineSize;
3463	screenInfo.u32Width = pFBInfo->w;
3464	screenInfo.u32Height = pFBInfo->h;
3465	screenInfo.u16BitsPerPixel = pFBInfo->u16BitsPerPixel;
3466	screenInfo.u16Flags = pScreen->u16Flags \| VBVA_SCREEN_F_BLANK;
3467
3468	pScreen = &screenInfo;
3469	}
3470
3471	if (fResetInputMapping)
3472	{
3473	/// @todo Rename to m* and verify whether some kind of lock is required.
3474	xInputMappingOrigin = 0;
3475	yInputMappingOrigin = 0;
3476	cxInputMapping = 0;
3477	cyInputMapping = 0;
3478	}
3479
3480	alock.release();
3481
3482	return i_handleDisplayResize(pScreen->u32ViewIndex, pScreen->u16BitsPerPixel,
3483	(uint8_t *)pvVRAM + pScreen->u32StartOffset,
3484	pScreen->u32LineSize, pScreen->u32Width, pScreen->u32Height, pScreen->u16Flags,
3485	pScreen->i32OriginX, pScreen->i32OriginY, false);
3486	}
3487
3488	DECLCALLBACK(int) Display::i_displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
3489	uint32_t xHot, uint32_t yHot,
3490	uint32_t cx, uint32_t cy,
3491	const void *pvShape)
3492	{
3493	LogFlowFunc(("\n"));
3494	LogRel2(("%s: fVisible=%RTbool\n", __PRETTY_FUNCTION__, fVisible));
3495
3496	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3497
3498	uint32_t cbShape = 0;
3499	if (pvShape)
3500	{
3501	cbShape = (cx + 7) / 8 * cy; /* size of the AND mask */
3502	cbShape = ((cbShape + 3) & ~3) + cx * 4 * cy; /* + gap + size of the XOR mask */
3503	}
3504
3505	/* Tell the console about it */
3506	pDrv->pDisplay->mParent->i_onMousePointerShapeChange(fVisible, fAlpha,
3507	xHot, yHot, cx, cy, (uint8_t *)pvShape, cbShape);
3508
3509	return VINF_SUCCESS;
3510	}
3511
3512	DECLCALLBACK(void) Display::i_displayVBVAGuestCapabilityUpdate(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fCapabilities)
3513	{
3514	LogFlowFunc(("\n"));
3515
3516	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3517	Display *pThis = pDrv->pDisplay;
3518
3519	pThis->i_handleUpdateGuestVBVACapabilities(fCapabilities);
3520	}
3521
3522	DECLCALLBACK(void) Display::i_displayVBVAInputMappingUpdate(PPDMIDISPLAYCONNECTOR pInterface, int32_t xOrigin, int32_t yOrigin,
3523	uint32_t cx, uint32_t cy)
3524	{
3525	LogFlowFunc(("\n"));
3526
3527	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3528	Display *pThis = pDrv->pDisplay;
3529
3530	pThis->i_handleUpdateVBVAInputMapping(xOrigin, yOrigin, cx, cy);
3531	}
3532
3533	DECLCALLBACK(void) Display::i_displayVBVAReportCursorPosition(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fFlags, uint32_t aScreenId, uint32_t x, uint32_t y)
3534	{
3535	LogFlowFunc(("\n"));
3536	LogRel2(("%s: fFlags=%RU32, aScreenId=%RU32, x=%RU32, y=%RU32\n",
3537	__PRETTY_FUNCTION__, fFlags, aScreenId, x, y));
3538
3539	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3540	Display *pThis = pDrv->pDisplay;
3541
3542	if (fFlags & VBVA_CURSOR_SCREEN_RELATIVE)
3543	{
3544	x += pThis->maFramebuffers[aScreenId].xOrigin;
3545	y += pThis->maFramebuffers[aScreenId].yOrigin;
3546	}
3547	fireCursorPositionChangedEvent(pThis->mParent->i_getEventSource(), RT_BOOL(fFlags & VBVA_CURSOR_VALID_DATA), x, y);
3548	}
3549
3550	#endif /* VBOX_WITH_HGSMI */
3551
3552	/**
3553	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
3554	*/
3555	DECLCALLBACK(void ) Display::i_drvQueryInterface(PPDMIBASE pInterface, const char pszIID)
3556	{
3557	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
3558	PDRVMAINDISPLAY pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3559	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
3560	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIDISPLAYCONNECTOR, &pDrv->IConnector);
3561	return NULL;
3562	}
3563
3564
3565	/**
3566	* @interface_method_impl{PDMDRVREG,pfnPowerOff,
3567	* Tries to ensure no client calls gets to HGCM or the VGA device from here on.}
3568	*/
3569	DECLCALLBACK(void) Display::i_drvPowerOff(PPDMDRVINS pDrvIns)
3570	{
3571	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3572	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3573
3574	/*
3575	* Do much of the work that i_drvDestruct does.
3576	*/
3577	if (pThis->pUpPort)
3578	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3579
3580	pThis->IConnector.pbData = NULL;
3581	pThis->IConnector.cbScanline = 0;
3582	pThis->IConnector.cBits = 32;
3583	pThis->IConnector.cx = 0;
3584	pThis->IConnector.cy = 0;
3585
3586	if (pThis->pDisplay)
3587	{
3588	AutoWriteLock displayLock(pThis->pDisplay COMMA_LOCKVAL_SRC_POS);
3589	#ifdef VBOX_WITH_RECORDING
3590	pThis->pDisplay->mParent->i_recordingStop();
3591	#endif
3592	#if defined(VBOX_WITH_VIDEOHWACCEL)
3593	pThis->pVBVACallbacks = NULL;
3594	#endif
3595	}
3596	}
3597
3598
3599	/**
3600	* Destruct a display driver instance.
3601	*
3602	* @returns VBox status code.
3603	* @param pDrvIns The driver instance data.
3604	*/
3605	DECLCALLBACK(void) Display::i_drvDestruct(PPDMDRVINS pDrvIns)
3606	{
3607	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
3608	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3609	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3610
3611	/*
3612	* We repeat much of what i_drvPowerOff does in case it wasn't called.
3613	* In addition we sever the connection between us and the display.
3614	*/
3615	if (pThis->pUpPort)
3616	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3617
3618	pThis->IConnector.pbData = NULL;
3619	pThis->IConnector.cbScanline = 0;
3620	pThis->IConnector.cBits = 32;
3621	pThis->IConnector.cx = 0;
3622	pThis->IConnector.cy = 0;
3623
3624	if (pThis->pDisplay)
3625	{
3626	AutoWriteLock displayLock(pThis->pDisplay COMMA_LOCKVAL_SRC_POS);
3627	#ifdef VBOX_WITH_RECORDING
3628	pThis->pDisplay->mParent->i_recordingStop();
3629	#endif
3630	#if defined(VBOX_WITH_VIDEOHWACCEL)
3631	pThis->pVBVACallbacks = NULL;
3632	#endif
3633
3634	pThis->pDisplay->mpDrv = NULL;
3635	pThis->pDisplay = NULL;
3636	}
3637	#if defined(VBOX_WITH_VIDEOHWACCEL)
3638	pThis->pVBVACallbacks = NULL;
3639	#endif
3640	}
3641
3642
3643	/**
3644	* Construct a display driver instance.
3645	*
3646	* @copydoc FNPDMDRVCONSTRUCT
3647	*/
3648	DECLCALLBACK(int) Display::i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
3649	{
3650	RT_NOREF(fFlags);
3651	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
3652	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3653	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3654
3655	/*
3656	* Validate configuration.
3657	*/
3658	if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
3659	return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
3660	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
3661	("Configuration error: Not possible to attach anything to this driver!\n"),
3662	VERR_PDM_DRVINS_NO_ATTACH);
3663
3664	/*
3665	* Init Interfaces.
3666	*/
3667	pDrvIns->IBase.pfnQueryInterface = Display::i_drvQueryInterface;
3668
3669	pThis->IConnector.pfnResize = Display::i_displayResizeCallback;
3670	pThis->IConnector.pfnUpdateRect = Display::i_displayUpdateCallback;
3671	pThis->IConnector.pfnRefresh = Display::i_displayRefreshCallback;
3672	pThis->IConnector.pfnReset = Display::i_displayResetCallback;
3673	pThis->IConnector.pfnLFBModeChange = Display::i_displayLFBModeChangeCallback;
3674	pThis->IConnector.pfnProcessAdapterData = Display::i_displayProcessAdapterDataCallback;
3675	pThis->IConnector.pfnProcessDisplayData = Display::i_displayProcessDisplayDataCallback;
3676	#ifdef VBOX_WITH_VIDEOHWACCEL
3677	pThis->IConnector.pfnVHWACommandProcess = Display::i_displayVHWACommandProcess;
3678	#endif
3679	#ifdef VBOX_WITH_HGSMI
3680	pThis->IConnector.pfnVBVAEnable = Display::i_displayVBVAEnable;
3681	pThis->IConnector.pfnVBVADisable = Display::i_displayVBVADisable;
3682	pThis->IConnector.pfnVBVAUpdateBegin = Display::i_displayVBVAUpdateBegin;
3683	pThis->IConnector.pfnVBVAUpdateProcess = Display::i_displayVBVAUpdateProcess;
3684	pThis->IConnector.pfnVBVAUpdateEnd = Display::i_displayVBVAUpdateEnd;
3685	pThis->IConnector.pfnVBVAResize = Display::i_displayVBVAResize;
3686	pThis->IConnector.pfnVBVAMousePointerShape = Display::i_displayVBVAMousePointerShape;
3687	pThis->IConnector.pfnVBVAGuestCapabilityUpdate = Display::i_displayVBVAGuestCapabilityUpdate;
3688	pThis->IConnector.pfnVBVAInputMappingUpdate = Display::i_displayVBVAInputMappingUpdate;
3689	pThis->IConnector.pfnVBVAReportCursorPosition = Display::i_displayVBVAReportCursorPosition;
3690	#endif
3691
3692	/*
3693	* Get the IDisplayPort interface of the above driver/device.
3694	*/
3695	pThis->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYPORT);
3696	if (!pThis->pUpPort)
3697	{
3698	AssertMsgFailed(("Configuration error: No display port interface above!\n"));
3699	return VERR_PDM_MISSING_INTERFACE_ABOVE;
3700	}
3701	#if defined(VBOX_WITH_VIDEOHWACCEL)
3702	pThis->pVBVACallbacks = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYVBVACALLBACKS);
3703	if (!pThis->pVBVACallbacks)
3704	{
3705	AssertMsgFailed(("Configuration error: No VBVA callback interface above!\n"));
3706	return VERR_PDM_MISSING_INTERFACE_ABOVE;
3707	}
3708	#endif
3709	/*
3710	* Get the Display object pointer and update the mpDrv member.
3711	*/
3712	void *pv;
3713	int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
3714	if (RT_FAILURE(rc))
3715	{
3716	AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
3717	return rc;
3718	}
3719	Display pDisplay = (Display )pv; /** @todo Check this cast! */
3720	pThis->pDisplay = pDisplay;
3721	pThis->pDisplay->mpDrv = pThis;
3722
3723	/* Disable VRAM to a buffer copy initially. */
3724	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3725	pThis->IConnector.cBits = 32; /* DevVGA does nothing otherwise. */
3726
3727	/*
3728	* Start periodic screen refreshes
3729	*/
3730	pThis->pUpPort->pfnSetRefreshRate(pThis->pUpPort, 20);
3731
3732	return rc;
3733	}
3734
3735
3736	/**
3737	* Display driver registration record.
3738	*/
3739	const PDMDRVREG Display::DrvReg =
3740	{
3741	/* u32Version */
3742	PDM_DRVREG_VERSION,
3743	/* szName */
3744	"MainDisplay",
3745	/* szRCMod */
3746	"",
3747	/* szR0Mod */
3748	"",
3749	/* pszDescription */
3750	"Main display driver (Main as in the API).",
3751	/* fFlags */
3752	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
3753	/* fClass. */
3754	PDM_DRVREG_CLASS_DISPLAY,
3755	/* cMaxInstances */
3756	~0U,
3757	/* cbInstance */
3758	sizeof(DRVMAINDISPLAY),
3759	/* pfnConstruct */
3760	Display::i_drvConstruct,
3761	/* pfnDestruct */
3762	Display::i_drvDestruct,
3763	/* pfnRelocate */
3764	NULL,
3765	/* pfnIOCtl */
3766	NULL,
3767	/* pfnPowerOn */
3768	NULL,
3769	/* pfnReset */
3770	NULL,
3771	/* pfnSuspend */
3772	NULL,
3773	/* pfnResume */
3774	NULL,
3775	/* pfnAttach */
3776	NULL,
3777	/* pfnDetach */
3778	NULL,
3779	/* pfnPowerOff */
3780	Display::i_drvPowerOff,
3781	/* pfnSoftReset */
3782	NULL,
3783	/* u32EndVersion */
3784	PDM_DRVREG_VERSION
3785	};
3786
3787	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/src-client/DisplayImpl.cpp@ 81355

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