DisplayImpl.cpp@ 94967

Last change on this file since 94967 was 94916, checked in by vboxsync, 3 years ago
Main/src-client/DisplayImpl.cpp: Adjust to the new rules wrt. to rc -> hrc,vrc usage, bugref:10223
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 133.5 KB

Line
1	/* $Id: DisplayImpl.cpp 94916 2022-05-08 19:36:14Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2022 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18	#define LOG_GROUP LOG_GROUP_MAIN_DISPLAY
19	#include "LoggingNew.h"
20
21	#include "DisplayImpl.h"
22	#include "DisplayUtils.h"
23	#include "ConsoleImpl.h"
24	#include "ConsoleVRDPServer.h"
25	#include "GuestImpl.h"
26	#include "VMMDev.h"
27
28	#include "AutoCaller.h"
29
30	/* generated header */
31	#include "VBoxEvents.h"
32
33	#include <iprt/semaphore.h>
34	#include <iprt/thread.h>
35	#include <iprt/asm.h>
36	#include <iprt/time.h>
37	#include <iprt/cpp/utils.h>
38	#include <iprt/alloca.h>
39
40	#include <VBox/vmm/vmmr3vtable.h>
41	#include <VBox/vmm/pdmdrv.h>
42
43	#ifdef VBOX_WITH_VIDEOHWACCEL
44	# include <VBoxVideo.h>
45	#endif
46	#include <VBoxVideo3D.h>
47
48	#include <VBox/com/array.h>
49
50	#ifdef VBOX_WITH_RECORDING
51	# include <iprt/path.h>
52	# include "Recording.h"
53
54	# ifdef VBOX_WITH_LIBVPX
55	# ifdef _MSC_VER
56	# pragma warning(push)
57	# pragma warning(disable: 4668) /* vpx_codec.h(64) : warning C4668: '__GNUC__' is not defined as a preprocessor macro, replacing with '0' for '#if/#elif' */
58	# include <vpx/vpx_encoder.h>
59	# pragma warning(pop)
60	# else
61	# include <vpx/vpx_encoder.h>
62	# endif
63	# endif
64
65	# include <VBox/vmm/pdmapi.h>
66	# include <VBox/vmm/pdmaudioifs.h>
67	#endif
68
69	/**
70	* Display driver instance data.
71	*
72	* @implements PDMIDISPLAYCONNECTOR
73	*/
74	typedef struct DRVMAINDISPLAY
75	{
76	/** Pointer to the display object. */
77	Display *pDisplay;
78	/** Pointer to the driver instance structure. */
79	PPDMDRVINS pDrvIns;
80	/** Pointer to the display port interface of the driver/device above us. */
81	PPDMIDISPLAYPORT pUpPort;
82	/** Our display connector interface. */
83	PDMIDISPLAYCONNECTOR IConnector;
84	#if defined(VBOX_WITH_VIDEOHWACCEL)
85	/** VBVA callbacks */
86	PPDMIDISPLAYVBVACALLBACKS pVBVACallbacks;
87	#endif
88	} DRVMAINDISPLAY, *PDRVMAINDISPLAY;
89
90	/** Converts PDMIDISPLAYCONNECTOR pointer to a DRVMAINDISPLAY pointer. */
91	#define PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface) RT_FROM_MEMBER(pInterface, DRVMAINDISPLAY, IConnector)
92
93	// constructor / destructor
94	/////////////////////////////////////////////////////////////////////////////
95
96	Display::Display()
97	: mParent(NULL)
98	{
99	}
100
101	Display::~Display()
102	{
103	}
104
105
106	HRESULT Display::FinalConstruct()
107	{
108	int vrc = videoAccelConstruct(&mVideoAccelLegacy);
109	AssertRC(vrc);
110
111	mfVideoAccelVRDP = false;
112	mfu32SupportedOrders = 0;
113	mcVRDPRefs = 0;
114
115	mfSeamlessEnabled = false;
116	mpRectVisibleRegion = NULL;
117	mcRectVisibleRegion = 0;
118
119	mpDrv = NULL;
120
121	vrc = RTCritSectInit(&mVideoAccelLock);
122	AssertRC(vrc);
123
124	#ifdef VBOX_WITH_HGSMI
125	mu32UpdateVBVAFlags = 0;
126	mfVMMDevSupportsGraphics = false;
127	mfGuestVBVACapabilities = 0;
128	mfHostCursorCapabilities = 0;
129	#endif
130
131	#ifdef VBOX_WITH_RECORDING
132	vrc = RTCritSectInit(&mVideoRecLock);
133	AssertRC(vrc);
134
135	for (unsigned i = 0; i < RT_ELEMENTS(maRecordingEnabled); i++)
136	maRecordingEnabled[i] = true;
137	#endif
138
139	return BaseFinalConstruct();
140	}
141
142	void Display::FinalRelease()
143	{
144	uninit();
145
146	#ifdef VBOX_WITH_RECORDING
147	if (RTCritSectIsInitialized(&mVideoRecLock))
148	{
149	RTCritSectDelete(&mVideoRecLock);
150	RT_ZERO(mVideoRecLock);
151	}
152	#endif
153
154	videoAccelDestroy(&mVideoAccelLegacy);
155	i_saveVisibleRegion(0, NULL);
156
157	if (RTCritSectIsInitialized(&mVideoAccelLock))
158	{
159	RTCritSectDelete(&mVideoAccelLock);
160	RT_ZERO(mVideoAccelLock);
161	}
162
163	BaseFinalRelease();
164	}
165
166	// public initializer/uninitializer for internal purposes only
167	/////////////////////////////////////////////////////////////////////////////
168
169	#define kMaxSizeThumbnail 64
170
171	/**
172	* Save thumbnail and screenshot of the guest screen.
173	*/
174	static int displayMakeThumbnail(uint8_t *pbData, uint32_t cx, uint32_t cy,
175	uint8_t *ppu8Thumbnail, uint32_t pcbThumbnail, uint32_t pcxThumbnail, uint32_t pcyThumbnail)
176	{
177	int vrc = VINF_SUCCESS;
178
179	uint8_t *pu8Thumbnail = NULL;
180	uint32_t cbThumbnail = 0;
181	uint32_t cxThumbnail = 0;
182	uint32_t cyThumbnail = 0;
183
184	if (cx > cy)
185	{
186	cxThumbnail = kMaxSizeThumbnail;
187	cyThumbnail = (kMaxSizeThumbnail * cy) / cx;
188	}
189	else
190	{
191	cyThumbnail = kMaxSizeThumbnail;
192	cxThumbnail = (kMaxSizeThumbnail * cx) / cy;
193	}
194
195	LogRelFlowFunc(("%dx%d -> %dx%d\n", cx, cy, cxThumbnail, cyThumbnail));
196
197	cbThumbnail = cxThumbnail * 4 * cyThumbnail;
198	pu8Thumbnail = (uint8_t *)RTMemAlloc(cbThumbnail);
199
200	if (pu8Thumbnail)
201	{
202	uint8_t *dst = pu8Thumbnail;
203	uint8_t *src = pbData;
204	int dstW = cxThumbnail;
205	int dstH = cyThumbnail;
206	int srcW = cx;
207	int srcH = cy;
208	int iDeltaLine = cx * 4;
209
210	BitmapScale32(dst,
211	dstW, dstH,
212	src,
213	iDeltaLine,
214	srcW, srcH);
215
216	*ppu8Thumbnail = pu8Thumbnail;
217	*pcbThumbnail = cbThumbnail;
218	*pcxThumbnail = cxThumbnail;
219	*pcyThumbnail = cyThumbnail;
220	}
221	else
222	{
223	vrc = VERR_NO_MEMORY;
224	}
225
226	return vrc;
227	}
228
229	/**
230	* @callback_method_impl{FNSSMEXTSAVEEXEC}
231	*/
232	DECLCALLBACK(int) Display::i_displaySSMSaveScreenshot(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser)
233	{
234	Display * const pThat = static_cast<Display *>(pvUser);
235	AssertPtrReturn(pThat, VERR_INVALID_POINTER);
236
237	/* 32bpp small RGB image. */
238	uint8_t *pu8Thumbnail = NULL;
239	uint32_t cbThumbnail = 0;
240	uint32_t cxThumbnail = 0;
241	uint32_t cyThumbnail = 0;
242
243	/* PNG screenshot. */
244	uint8_t *pu8PNG = NULL;
245	uint32_t cbPNG = 0;
246	uint32_t cxPNG = 0;
247	uint32_t cyPNG = 0;
248
249	Console::SafeVMPtr ptrVM(pThat->mParent);
250	if (ptrVM.isOk())
251	{
252	/* Query RGB bitmap. */
253	/* SSM code is executed on EMT(0), therefore no need to use VMR3ReqCallWait. */
254	uint8_t *pbData = NULL;
255	size_t cbData = 0;
256	uint32_t cx = 0;
257	uint32_t cy = 0;
258	bool fFreeMem = false;
259	int vrc = Display::i_displayTakeScreenshotEMT(pThat, VBOX_VIDEO_PRIMARY_SCREEN, &pbData, &cbData, &cx, &cy, &fFreeMem);
260
261	/*
262	* It is possible that success is returned but everything is 0 or NULL.
263	* (no display attached if a VM is running with VBoxHeadless on OSE for example)
264	*/
265	if (RT_SUCCESS(vrc) && pbData)
266	{
267	Assert(cx && cy);
268
269	/* Prepare a small thumbnail and a PNG screenshot. */
270	displayMakeThumbnail(pbData, cx, cy, &pu8Thumbnail, &cbThumbnail, &cxThumbnail, &cyThumbnail);
271	vrc = DisplayMakePNG(pbData, cx, cy, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 1);
272	if (RT_FAILURE(vrc))
273	{
274	if (pu8PNG)
275	{
276	RTMemFree(pu8PNG);
277	pu8PNG = NULL;
278	}
279	cbPNG = 0;
280	cxPNG = 0;
281	cyPNG = 0;
282	}
283
284	if (fFreeMem)
285	RTMemFree(pbData);
286	else
287	pThat->mpDrv->pUpPort->pfnFreeScreenshot(pThat->mpDrv->pUpPort, pbData);
288	}
289	}
290	else
291	{
292	LogFunc(("Failed to get VM pointer 0x%x\n", ptrVM.rc()));
293	}
294
295	/* Regardless of rc, save what is available:
296	* Data format:
297	* uint32_t cBlocks;
298	* [blocks]
299	*
300	* Each block is:
301	* uint32_t cbBlock; if 0 - no 'block data'.
302	* uint32_t typeOfBlock; 0 - 32bpp RGB bitmap, 1 - PNG, ignored if 'cbBlock' is 0.
303	* [block data]
304	*
305	* Block data for bitmap and PNG:
306	* uint32_t cx;
307	* uint32_t cy;
308	* [image data]
309	*/
310	pVMM->pfnSSMR3PutU32(pSSM, 2); /* Write thumbnail and PNG screenshot. */
311
312	/* First block. */
313	pVMM->pfnSSMR3PutU32(pSSM, (uint32_t)(cbThumbnail + 2 * sizeof(uint32_t)));
314	pVMM->pfnSSMR3PutU32(pSSM, 0); /* Block type: thumbnail. */
315
316	if (cbThumbnail)
317	{
318	pVMM->pfnSSMR3PutU32(pSSM, cxThumbnail);
319	pVMM->pfnSSMR3PutU32(pSSM, cyThumbnail);
320	pVMM->pfnSSMR3PutMem(pSSM, pu8Thumbnail, cbThumbnail);
321	}
322
323	/* Second block. */
324	pVMM->pfnSSMR3PutU32(pSSM, (uint32_t)(cbPNG + 2 * sizeof(uint32_t)));
325	pVMM->pfnSSMR3PutU32(pSSM, 1); /* Block type: png. */
326
327	if (cbPNG)
328	{
329	pVMM->pfnSSMR3PutU32(pSSM, cxPNG);
330	pVMM->pfnSSMR3PutU32(pSSM, cyPNG);
331	pVMM->pfnSSMR3PutMem(pSSM, pu8PNG, cbPNG);
332	}
333
334	RTMemFree(pu8PNG);
335	RTMemFree(pu8Thumbnail);
336
337	return VINF_SUCCESS;
338	}
339
340	/**
341	* @callback_method_impl{FNSSMEXTLOADEXEC}
342	*/
343	DECLCALLBACK(int)
344	Display::i_displaySSMLoadScreenshot(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser, uint32_t uVersion, uint32_t uPass)
345	{
346	Display * const pThat = static_cast<Display *>(pvUser);
347	AssertPtrReturn(pThat, VERR_INVALID_POINTER);
348	Assert(uPass == SSM_PASS_FINAL); RT_NOREF_PV(uPass);
349
350	if (uVersion != sSSMDisplayScreenshotVer)
351	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
352
353	/* Skip data. */
354	uint32_t cBlocks;
355	int vrc = pVMM->pfnSSMR3GetU32(pSSM, &cBlocks);
356	AssertRCReturn(vrc, vrc);
357
358	for (uint32_t i = 0; i < cBlocks; i++)
359	{
360	uint32_t cbBlock;
361	vrc = pVMM->pfnSSMR3GetU32(pSSM, &cbBlock);
362	AssertRCReturn(vrc, vrc);
363
364	uint32_t typeOfBlock;
365	vrc = pVMM->pfnSSMR3GetU32(pSSM, &typeOfBlock);
366	AssertRCReturn(vrc, vrc);
367
368	LogRelFlowFunc(("[%d] type %d, size %d bytes\n", i, typeOfBlock, cbBlock));
369
370	/* Note: displaySSMSaveScreenshot writes size of a block = 8 and
371	* do not write any data if the image size was 0.
372	*/
373	/** @todo Fix and increase saved state version. */
374	if (cbBlock > 2 * sizeof(uint32_t))
375	{
376	vrc = pVMM->pfnSSMR3Skip(pSSM, cbBlock);
377	AssertRCReturn(vrc, vrc);
378	}
379	}
380
381	return vrc;
382	}
383
384	/**
385	* @callback_method_impl{FNSSMEXTSAVEEXEC, Save some important guest state}
386	*/
387	/static/ DECLCALLBACK(int)
388	Display::i_displaySSMSave(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser)
389	{
390	Display * const pThat = static_cast<Display *>(pvUser);
391	AssertPtrReturn(pThat, VERR_INVALID_POINTER);
392
393	pVMM->pfnSSMR3PutU32(pSSM, pThat->mcMonitors);
394	for (unsigned i = 0; i < pThat->mcMonitors; i++)
395	{
396	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].u32Offset);
397	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].u32MaxFramebufferSize);
398	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].u32InformationSize);
399	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].w);
400	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].h);
401	pVMM->pfnSSMR3PutS32(pSSM, pThat->maFramebuffers[i].xOrigin);
402	pVMM->pfnSSMR3PutS32(pSSM, pThat->maFramebuffers[i].yOrigin);
403	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].flags);
404	}
405	pVMM->pfnSSMR3PutS32(pSSM, pThat->xInputMappingOrigin);
406	pVMM->pfnSSMR3PutS32(pSSM, pThat->yInputMappingOrigin);
407	pVMM->pfnSSMR3PutU32(pSSM, pThat->cxInputMapping);
408	pVMM->pfnSSMR3PutU32(pSSM, pThat->cyInputMapping);
409	pVMM->pfnSSMR3PutU32(pSSM, pThat->mfGuestVBVACapabilities);
410	return pVMM->pfnSSMR3PutU32(pSSM, pThat->mfHostCursorCapabilities);
411	}
412
413	/**
414	* @callback_method_impl{FNSSMEXTLOADEXEC, Load some important guest state}
415	*/
416	/static/ DECLCALLBACK(int)
417	Display::i_displaySSMLoad(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser, uint32_t uVersion, uint32_t uPass)
418	{
419	Display * const pThat = static_cast<Display *>(pvUser);
420	AssertPtrReturn(pThat, VERR_INVALID_POINTER);
421
422	if ( uVersion != sSSMDisplayVer
423	&& uVersion != sSSMDisplayVer2
424	&& uVersion != sSSMDisplayVer3
425	&& uVersion != sSSMDisplayVer4
426	&& uVersion != sSSMDisplayVer5)
427	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
428	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
429
430	uint32_t cMonitors;
431	int vrc = pVMM->pfnSSMR3GetU32(pSSM, &cMonitors);
432	AssertRCReturn(vrc, vrc);
433	if (cMonitors != pThat->mcMonitors)
434	return pVMM->pfnSSMR3SetCfgError(pSSM, RT_SRC_POS, N_("Number of monitors changed (%d->%d)!"), cMonitors, pThat->mcMonitors);
435
436	for (uint32_t i = 0; i < cMonitors; i++)
437	{
438	pVMM->pfnSSMR3GetU32(pSSM, &pThat->maFramebuffers[i].u32Offset);
439	pVMM->pfnSSMR3GetU32(pSSM, &pThat->maFramebuffers[i].u32MaxFramebufferSize);
440	pVMM->pfnSSMR3GetU32(pSSM, &pThat->maFramebuffers[i].u32InformationSize);
441	if ( uVersion == sSSMDisplayVer2
442	\|\| uVersion == sSSMDisplayVer3
443	\|\| uVersion == sSSMDisplayVer4
444	\|\| uVersion == sSSMDisplayVer5)
445	{
446	uint32_t w;
447	uint32_t h;
448	pVMM->pfnSSMR3GetU32(pSSM, &w);
449	vrc = pVMM->pfnSSMR3GetU32(pSSM, &h);
450	AssertRCReturn(vrc, vrc);
451	pThat->maFramebuffers[i].w = w;
452	pThat->maFramebuffers[i].h = h;
453	}
454	if ( uVersion == sSSMDisplayVer3
455	\|\| uVersion == sSSMDisplayVer4
456	\|\| uVersion == sSSMDisplayVer5)
457	{
458	int32_t xOrigin;
459	int32_t yOrigin;
460	uint32_t flags;
461	pVMM->pfnSSMR3GetS32(pSSM, &xOrigin);
462	pVMM->pfnSSMR3GetS32(pSSM, &yOrigin);
463	vrc = pVMM->pfnSSMR3GetU32(pSSM, &flags);
464	AssertRCReturn(vrc, vrc);
465	pThat->maFramebuffers[i].xOrigin = xOrigin;
466	pThat->maFramebuffers[i].yOrigin = yOrigin;
467	pThat->maFramebuffers[i].flags = (uint16_t)flags;
468	pThat->maFramebuffers[i].fDisabled = (pThat->maFramebuffers[i].flags & VBVA_SCREEN_F_DISABLED) != 0;
469	}
470	}
471	if ( uVersion == sSSMDisplayVer4
472	\|\| uVersion == sSSMDisplayVer5)
473	{
474	pVMM->pfnSSMR3GetS32(pSSM, &pThat->xInputMappingOrigin);
475	pVMM->pfnSSMR3GetS32(pSSM, &pThat->yInputMappingOrigin);
476	pVMM->pfnSSMR3GetU32(pSSM, &pThat->cxInputMapping);
477	pVMM->pfnSSMR3GetU32(pSSM, &pThat->cyInputMapping);
478	}
479	if (uVersion == sSSMDisplayVer5)
480	{
481	pVMM->pfnSSMR3GetU32(pSSM, &pThat->mfGuestVBVACapabilities);
482	pVMM->pfnSSMR3GetU32(pSSM, &pThat->mfHostCursorCapabilities);
483	}
484
485	return VINF_SUCCESS;
486	}
487
488	/**
489	* Initializes the display object.
490	*
491	* @returns COM result indicator
492	* @param aParent handle of our parent object
493	*/
494	HRESULT Display::init(Console *aParent)
495	{
496	ComAssertRet(aParent, E_INVALIDARG);
497	/* Enclose the state transition NotReady->InInit->Ready */
498	AutoInitSpan autoInitSpan(this);
499	AssertReturn(autoInitSpan.isOk(), E_FAIL);
500
501	unconst(mParent) = aParent;
502
503	mfSourceBitmapEnabled = true;
504	fVGAResizing = false;
505
506	ComPtr<IGraphicsAdapter> pGraphicsAdapter;
507	HRESULT hrc = mParent->i_machine()->COMGETTER(GraphicsAdapter)(pGraphicsAdapter.asOutParam());
508	AssertComRCReturnRC(hrc);
509	AssertReturn(!pGraphicsAdapter.isNull(), E_FAIL);
510
511	ULONG ul;
512	pGraphicsAdapter->COMGETTER(MonitorCount)(&ul);
513	mcMonitors = ul;
514	xInputMappingOrigin = 0;
515	yInputMappingOrigin = 0;
516	cxInputMapping = 0;
517	cyInputMapping = 0;
518
519	for (ul = 0; ul < mcMonitors; ul++)
520	{
521	maFramebuffers[ul].u32Offset = 0;
522	maFramebuffers[ul].u32MaxFramebufferSize = 0;
523	maFramebuffers[ul].u32InformationSize = 0;
524
525	maFramebuffers[ul].pFramebuffer = NULL;
526	/* All secondary monitors are disabled at startup. */
527	maFramebuffers[ul].fDisabled = ul > 0;
528
529	maFramebuffers[ul].u32Caps = 0;
530
531	maFramebuffers[ul].updateImage.pu8Address = NULL;
532	maFramebuffers[ul].updateImage.cbLine = 0;
533
534	maFramebuffers[ul].xOrigin = 0;
535	maFramebuffers[ul].yOrigin = 0;
536
537	maFramebuffers[ul].w = 0;
538	maFramebuffers[ul].h = 0;
539
540	maFramebuffers[ul].flags = maFramebuffers[ul].fDisabled? VBVA_SCREEN_F_DISABLED: 0;
541
542	maFramebuffers[ul].u16BitsPerPixel = 0;
543	maFramebuffers[ul].pu8FramebufferVRAM = NULL;
544	maFramebuffers[ul].u32LineSize = 0;
545
546	maFramebuffers[ul].pHostEvents = NULL;
547
548	maFramebuffers[ul].fDefaultFormat = false;
549
550	#ifdef VBOX_WITH_HGSMI
551	maFramebuffers[ul].fVBVAEnabled = false;
552	maFramebuffers[ul].fVBVAForceResize = false;
553	maFramebuffers[ul].pVBVAHostFlags = NULL;
554	#endif /* VBOX_WITH_HGSMI */
555	}
556
557	{
558	// register listener for state change events
559	ComPtr<IEventSource> es;
560	mParent->COMGETTER(EventSource)(es.asOutParam());
561	com::SafeArray<VBoxEventType_T> eventTypes;
562	eventTypes.push_back(VBoxEventType_OnStateChanged);
563	es->RegisterListener(this, ComSafeArrayAsInParam(eventTypes), true);
564	}
565
566	/* Confirm a successful initialization */
567	autoInitSpan.setSucceeded();
568
569	return S_OK;
570	}
571
572	/**
573	* Uninitializes the instance and sets the ready flag to FALSE.
574	* Called either from FinalRelease() or by the parent when it gets destroyed.
575	*/
576	void Display::uninit()
577	{
578	LogRelFlowFunc(("this=%p\n", this));
579
580	/* Enclose the state transition Ready->InUninit->NotReady */
581	AutoUninitSpan autoUninitSpan(this);
582	if (autoUninitSpan.uninitDone())
583	return;
584
585	unsigned uScreenId;
586	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
587	{
588	maFramebuffers[uScreenId].pSourceBitmap.setNull();
589	maFramebuffers[uScreenId].updateImage.pSourceBitmap.setNull();
590	maFramebuffers[uScreenId].updateImage.pu8Address = NULL;
591	maFramebuffers[uScreenId].updateImage.cbLine = 0;
592	maFramebuffers[uScreenId].pFramebuffer.setNull();
593	#ifdef VBOX_WITH_RECORDING
594	maFramebuffers[uScreenId].Recording.pSourceBitmap.setNull();
595	#endif
596	}
597
598	if (mParent)
599	{
600	ComPtr<IEventSource> es;
601	mParent->COMGETTER(EventSource)(es.asOutParam());
602	es->UnregisterListener(this);
603	}
604
605	unconst(mParent) = NULL;
606
607	if (mpDrv)
608	mpDrv->pDisplay = NULL;
609
610	mpDrv = NULL;
611	}
612
613	/**
614	* Register the SSM methods. Called by the power up thread to be able to
615	* pass pVM
616	*/
617	int Display::i_registerSSM(PUVM pUVM)
618	{
619	PCVMMR3VTABLE const pVMM = mParent->i_getVMMVTable();
620	AssertPtrReturn(pVMM, VERR_INTERNAL_ERROR_3);
621
622	/* Version 2 adds width and height of the framebuffer; version 3 adds
623	* the framebuffer offset in the virtual desktop and the framebuffer flags;
624	* version 4 adds guest to host input event mapping and version 5 adds
625	* guest VBVA and host cursor capabilities.
626	*/
627	int vrc = pVMM->pfnSSMR3RegisterExternal(pUVM, "DisplayData", 0, sSSMDisplayVer5,
628	mcMonitors * sizeof(uint32_t) * 8 + sizeof(uint32_t),
629	NULL, NULL, NULL,
630	NULL, i_displaySSMSave, NULL,
631	NULL, i_displaySSMLoad, NULL, this);
632	AssertRCReturn(vrc, vrc);
633
634	/*
635	* Register loaders for old saved states where iInstance was
636	* 3 * sizeof(uint32_t *) due to a code mistake.
637	*/
638	vrc = pVMM->pfnSSMR3RegisterExternal(pUVM, "DisplayData", 12 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
639	NULL, NULL, NULL,
640	NULL, NULL, NULL,
641	NULL, i_displaySSMLoad, NULL, this);
642	AssertRCReturn(vrc, vrc);
643
644	vrc = pVMM->pfnSSMR3RegisterExternal(pUVM, "DisplayData", 24 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
645	NULL, NULL, NULL,
646	NULL, NULL, NULL,
647	NULL, i_displaySSMLoad, NULL, this);
648	AssertRCReturn(vrc, vrc);
649
650	/* uInstance is an arbitrary value greater than 1024. Such a value will ensure a quick seek in saved state file. */
651	vrc = pVMM->pfnSSMR3RegisterExternal(pUVM, "DisplayScreenshot", 1100 /uInstance/, sSSMDisplayScreenshotVer, 0 /cbGuess/,
652	NULL, NULL, NULL,
653	NULL, i_displaySSMSaveScreenshot, NULL,
654	NULL, i_displaySSMLoadScreenshot, NULL, this);
655
656	AssertRCReturn(vrc, vrc);
657
658	return VINF_SUCCESS;
659	}
660
661	// public methods only for internal purposes
662	/////////////////////////////////////////////////////////////////////////////
663
664	/**
665	* Handles display resize event.
666	*
667	* @param uScreenId Screen ID
668	* @param bpp New bits per pixel.
669	* @param pvVRAM VRAM pointer.
670	* @param cbLine New bytes per line.
671	* @param w New display width.
672	* @param h New display height.
673	* @param flags Flags of the new video mode.
674	* @param xOrigin New display origin X.
675	* @param yOrigin New display origin Y.
676	* @param fVGAResize Whether the resize is originated from the VGA device (DevVGA).
677	*/
678	int Display::i_handleDisplayResize(unsigned uScreenId, uint32_t bpp, void *pvVRAM,
679	uint32_t cbLine, uint32_t w, uint32_t h, uint16_t flags,
680	int32_t xOrigin, int32_t yOrigin, bool fVGAResize)
681	{
682	LogRel2(("Display::i_handleDisplayResize: uScreenId=%d pvVRAM=%p w=%d h=%d bpp=%d cbLine=0x%X flags=0x%X\n", uScreenId,
683	pvVRAM, w, h, bpp, cbLine, flags));
684
685	/* Caller must not hold the object lock. */
686	AssertReturn(!isWriteLockOnCurrentThread(), VERR_INVALID_STATE);
687
688	/* Note: the old code checked if the video mode was actually changed and
689	* did not invalidate the source bitmap if the mode did not change.
690	* The new code always invalidates the source bitmap, i.e. it will
691	* notify the frontend even if nothing actually changed.
692	*
693	* Implementing the filtering is possible but might lead to pfnSetRenderVRAM races
694	* between this method and QuerySourceBitmap. Such races can be avoided by implementing
695	* the @todo below.
696	*/
697
698	/* Make sure that the VGA device does not access the source bitmap. */
699	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && mpDrv)
700	{
701	/// @todo It is probably more convenient to implement
702	// mpDrv->pUpPort->pfnSetOutputBitmap(pvVRAM, cbScanline, cBits, cx, cy, bool fSet);
703	// and remove IConnector.pbData, cbScanline, cBits, cx, cy.
704	// fSet = false disables rendering and VGA can check
705	// if it is already rendering to a different bitmap, avoiding
706	// enable/disable rendering races.
707	mpDrv->pUpPort->pfnSetRenderVRAM(mpDrv->pUpPort, false);
708
709	mpDrv->IConnector.pbData = NULL;
710	mpDrv->IConnector.cbScanline = 0;
711	mpDrv->IConnector.cBits = 32; /* DevVGA does not work with cBits == 0. */
712	mpDrv->IConnector.cx = 0;
713	mpDrv->IConnector.cy = 0;
714	}
715
716	/* Update maFramebuffers[uScreenId] under lock. */
717	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
718
719	if (uScreenId >= mcMonitors)
720	{
721	LogRel(("Display::i_handleDisplayResize: mcMonitors=%u < uScreenId=%u (pvVRAM=%p w=%u h=%u bpp=%d cbLine=0x%X flags=0x%X)\n",
722	mcMonitors, uScreenId, pvVRAM, w, h, bpp, cbLine, flags));
723	return VINF_SUCCESS;
724	}
725
726	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
727
728	/* Whether the monitor position has changed.
729	* A resize initiated by the VGA device does not change the monitor position.
730	*/
731	const bool fNewOrigin = !fVGAResize
732	&& ( pFBInfo->xOrigin != xOrigin
733	\|\| pFBInfo->yOrigin != yOrigin);
734
735	/* The event for disabled->enabled transition.
736	* VGA resizes also come when the guest uses VBVA mode. They do not affect pFBInfo->fDisabled.
737	* The primary screen is re-enabled when the guest leaves the VBVA mode in i_displayVBVADisable.
738	*/
739	const bool fGuestMonitorChangedEvent = !fVGAResize
740	&& (pFBInfo->fDisabled != RT_BOOL(flags & VBVA_SCREEN_F_DISABLED));
741
742	/* Reset the update mode. */
743	pFBInfo->updateImage.pSourceBitmap.setNull();
744	pFBInfo->updateImage.pu8Address = NULL;
745	pFBInfo->updateImage.cbLine = 0;
746
747	/* Release the current source bitmap. */
748	pFBInfo->pSourceBitmap.setNull();
749
750	/* VGA blanking is signaled as w=0, h=0, bpp=0 and cbLine=0, and it's
751	* best to keep the old resolution, as otherwise the window size would
752	* change before the new resolution is known. */
753	const bool fVGABlank = fVGAResize && uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
754	&& w == 0 && h == 0 && bpp == 0 && cbLine == 0;
755	if (fVGABlank)
756	{
757	w = pFBInfo->w;
758	h = pFBInfo->h;
759	}
760
761	/* Log changes. */
762	if ( pFBInfo->w != w
763	\|\| pFBInfo->h != h
764	\|\| pFBInfo->u32LineSize != cbLine
765	/\|\| pFBInfo->pu8FramebufferVRAM != (uint8_t )pvVRAM - too noisy */
766	\|\| ( !fVGAResize
767	&& ( pFBInfo->xOrigin != xOrigin
768	\|\| pFBInfo->yOrigin != yOrigin
769	\|\| pFBInfo->flags != flags)))
770	LogRel(("Display::i_handleDisplayResize: uScreenId=%d pvVRAM=%p w=%d h=%d bpp=%d cbLine=0x%X flags=0x%X origin=%d,%d\n",
771	uScreenId, pvVRAM, w, h, bpp, cbLine, flags, xOrigin, yOrigin));
772
773	/* Update the video mode information. */
774	pFBInfo->w = w;
775	pFBInfo->h = h;
776	pFBInfo->u16BitsPerPixel = (uint16_t)bpp;
777	pFBInfo->pu8FramebufferVRAM = (uint8_t *)pvVRAM;
778	pFBInfo->u32LineSize = cbLine;
779	if (!fVGAResize)
780	{
781	/* Fields which are not used in not VBVA modes and not affected by a VGA resize. */
782	pFBInfo->flags = flags;
783	pFBInfo->xOrigin = xOrigin;
784	pFBInfo->yOrigin = yOrigin;
785	pFBInfo->fDisabled = RT_BOOL(flags & VBVA_SCREEN_F_DISABLED);
786	pFBInfo->fVBVAForceResize = false;
787	}
788	else
789	{
790	pFBInfo->flags = VBVA_SCREEN_F_ACTIVE;
791	if (fVGABlank)
792	pFBInfo->flags \|= VBVA_SCREEN_F_BLANK;
793	pFBInfo->fDisabled = false;
794	}
795
796	/* Prepare local vars for the notification code below. */
797	ComPtr<IFramebuffer> pFramebuffer = pFBInfo->pFramebuffer;
798	const bool fDisabled = pFBInfo->fDisabled;
799
800	alock.release();
801
802	if (!pFramebuffer.isNull())
803	{
804	HRESULT hr = pFramebuffer->NotifyChange(uScreenId, 0, 0, w, h); /** @todo origin */
805	LogFunc(("NotifyChange hr %08X\n", hr));
806	NOREF(hr);
807	}
808
809	if (fGuestMonitorChangedEvent)
810	{
811	if (fDisabled)
812	::FireGuestMonitorChangedEvent(mParent->i_getEventSource(),
813	GuestMonitorChangedEventType_Disabled, uScreenId, 0, 0, 0, 0);
814	else
815	::FireGuestMonitorChangedEvent(mParent->i_getEventSource(),
816	GuestMonitorChangedEventType_Enabled, uScreenId, xOrigin, yOrigin, w, h);
817	}
818
819	if (fNewOrigin)
820	::FireGuestMonitorChangedEvent(mParent->i_getEventSource(),
821	GuestMonitorChangedEventType_NewOrigin, uScreenId, xOrigin, yOrigin, 0, 0);
822
823	/* Inform the VRDP server about the change of display parameters. */
824	LogRelFlowFunc(("Calling VRDP\n"));
825	mParent->i_consoleVRDPServer()->SendResize();
826
827	/* And re-send the seamless rectangles if necessary. */
828	if (mfSeamlessEnabled)
829	i_handleSetVisibleRegion(mcRectVisibleRegion, mpRectVisibleRegion);
830
831	#ifdef VBOX_WITH_RECORDING
832	i_recordingScreenChanged(uScreenId);
833	#endif
834
835	LogRelFlowFunc(("[%d]: default format %d\n", uScreenId, pFBInfo->fDefaultFormat));
836
837	return VINF_SUCCESS;
838	}
839
840	static void i_checkCoordBounds(int px, int py, int pw, int ph, int cx, int cy)
841	{
842	/* Correct negative x and y coordinates. */
843	if (*px < 0)
844	{
845	px += pw; /* Compute xRight which is also the new width. */
846
847	pw = (px < 0)? 0: *px;
848
849	*px = 0;
850	}
851
852	if (*py < 0)
853	{
854	py += ph; /* Compute xBottom, which is also the new height. */
855
856	ph = (py < 0)? 0: *py;
857
858	*py = 0;
859	}
860
861	/* Also check if coords are greater than the display resolution. */
862	if (px + pw > cx)
863	{
864	pw = cx > px? cx - *px: 0;
865	}
866
867	if (py + ph > cy)
868	{
869	ph = cy > py? cy - *py: 0;
870	}
871	}
872
873	void Display::i_handleDisplayUpdate(unsigned uScreenId, int x, int y, int w, int h)
874	{
875	/*
876	* Always runs under either VBVA lock or, for HGSMI, DevVGA lock.
877	* Safe to use VBVA vars and take the framebuffer lock.
878	*/
879
880	#ifdef DEBUG_sunlover
881	LogFlowFunc(("[%d] %d,%d %dx%d\n",
882	uScreenId, x, y, w, h));
883	#endif /* DEBUG_sunlover */
884
885	/* No updates for a disabled guest screen. */
886	if (maFramebuffers[uScreenId].fDisabled)
887	return;
888
889	/* No updates for a blank guest screen. */
890	/** @note Disabled for now, as the GUI does not update the picture when we
891	* first blank. */
892	/* if (maFramebuffers[uScreenId].flags & VBVA_SCREEN_F_BLANK)
893	return; */
894
895	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
896	AutoReadLock alockr(this COMMA_LOCKVAL_SRC_POS);
897
898	ComPtr<IFramebuffer> pFramebuffer = pFBInfo->pFramebuffer;
899	ComPtr<IDisplaySourceBitmap> pSourceBitmap = pFBInfo->updateImage.pSourceBitmap;
900
901	alockr.release();
902
903	if (RT_LIKELY(!pFramebuffer.isNull()))
904	{
905	if (RT_LIKELY(!RT_BOOL(pFBInfo->u32Caps & FramebufferCapabilities_UpdateImage)))
906	{
907	i_checkCoordBounds(&x, &y, &w, &h, pFBInfo->w, pFBInfo->h);
908
909	if (w != 0 && h != 0)
910	{
911	pFramebuffer->NotifyUpdate(x, y, w, h);
912	}
913	}
914	else
915	{
916	if (RT_LIKELY(!pSourceBitmap.isNull()))
917	{ /* likely */ }
918	else
919	{
920	/* Create a source bitmap if UpdateImage mode is used. */
921	HRESULT hr = QuerySourceBitmap(uScreenId, pSourceBitmap.asOutParam());
922	if (SUCCEEDED(hr))
923	{
924	BYTE *pAddress = NULL;
925	ULONG ulWidth = 0;
926	ULONG ulHeight = 0;
927	ULONG ulBitsPerPixel = 0;
928	ULONG ulBytesPerLine = 0;
929	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
930
931	hr = pSourceBitmap->QueryBitmapInfo(&pAddress,
932	&ulWidth,
933	&ulHeight,
934	&ulBitsPerPixel,
935	&ulBytesPerLine,
936	&bitmapFormat);
937	if (SUCCEEDED(hr))
938	{
939	AutoWriteLock alockw(this COMMA_LOCKVAL_SRC_POS);
940
941	if (pFBInfo->updateImage.pSourceBitmap.isNull())
942	{
943	pFBInfo->updateImage.pSourceBitmap = pSourceBitmap;
944	pFBInfo->updateImage.pu8Address = pAddress;
945	pFBInfo->updateImage.cbLine = ulBytesPerLine;
946	}
947
948	pSourceBitmap = pFBInfo->updateImage.pSourceBitmap;
949
950	alockw.release();
951	}
952	}
953	}
954
955	if (RT_LIKELY(!pSourceBitmap.isNull()))
956	{
957	BYTE *pbAddress = NULL;
958	ULONG ulWidth = 0;
959	ULONG ulHeight = 0;
960	ULONG ulBitsPerPixel = 0;
961	ULONG ulBytesPerLine = 0;
962	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
963
964	HRESULT hr = pSourceBitmap->QueryBitmapInfo(&pbAddress,
965	&ulWidth,
966	&ulHeight,
967	&ulBitsPerPixel,
968	&ulBytesPerLine,
969	&bitmapFormat);
970	if (SUCCEEDED(hr))
971	{
972	/* Make sure that the requested update is within the source bitmap dimensions. */
973	i_checkCoordBounds(&x, &y, &w, &h, ulWidth, ulHeight);
974
975	if (w != 0 && h != 0)
976	{
977	const size_t cbData = w * h * 4;
978	com::SafeArray<BYTE> image(cbData);
979
980	uint8_t *pu8Dst = image.raw();
981	const uint8_t pu8Src = pbAddress + ulBytesPerLine y + x * 4;
982
983	int i;
984	for (i = y; i < y + h; ++i)
985	{
986	memcpy(pu8Dst, pu8Src, w * 4);
987	pu8Dst += w * 4;
988	pu8Src += ulBytesPerLine;
989	}
990
991	pFramebuffer->NotifyUpdateImage(x, y, w, h, ComSafeArrayAsInParam(image));
992	}
993	}
994	}
995	}
996	}
997
998	#ifndef VBOX_WITH_HGSMI
999	if (!mVideoAccelLegacy.fVideoAccelEnabled)
1000	#else
1001	if (!mVideoAccelLegacy.fVideoAccelEnabled && !maFramebuffers[uScreenId].fVBVAEnabled)
1002	#endif
1003	{
1004	/* When VBVA is enabled, the VRDP server is informed
1005	* either in VideoAccelFlush or displayVBVAUpdateProcess.
1006	* Inform the server here only if VBVA is disabled.
1007	*/
1008	mParent->i_consoleVRDPServer()->SendUpdateBitmap(uScreenId, x, y, w, h);
1009	}
1010	}
1011
1012	void Display::i_updateGuestGraphicsFacility(void)
1013	{
1014	Guest* pGuest = mParent->i_getGuest();
1015	AssertPtrReturnVoid(pGuest);
1016	/* The following is from GuestImpl.cpp. */
1017	/** @todo A nit: The timestamp is wrong on saved state restore. Would be better
1018	* to move the graphics and seamless capability -> facility translation to
1019	* VMMDev so this could be saved. */
1020	RTTIMESPEC TimeSpecTS;
1021	RTTimeNow(&TimeSpecTS);
1022
1023	if ( mfVMMDevSupportsGraphics
1024	\|\| (mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS) != 0)
1025	pGuest->i_setAdditionsStatus(VBoxGuestFacilityType_Graphics,
1026	VBoxGuestFacilityStatus_Active,
1027	0 /fFlags/, &TimeSpecTS);
1028	else
1029	pGuest->i_setAdditionsStatus(VBoxGuestFacilityType_Graphics,
1030	VBoxGuestFacilityStatus_Inactive,
1031	0 /fFlags/, &TimeSpecTS);
1032	}
1033
1034	void Display::i_handleUpdateVMMDevSupportsGraphics(bool fSupportsGraphics)
1035	{
1036	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1037	if (mfVMMDevSupportsGraphics == fSupportsGraphics)
1038	return;
1039	mfVMMDevSupportsGraphics = fSupportsGraphics;
1040	i_updateGuestGraphicsFacility();
1041	/* The VMMDev interface notifies the console. */
1042	}
1043
1044	void Display::i_handleUpdateGuestVBVACapabilities(uint32_t fNewCapabilities)
1045	{
1046	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1047	bool fNotify = (fNewCapabilities & VBVACAPS_VIDEO_MODE_HINTS) != (mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS);
1048
1049	mfGuestVBVACapabilities = fNewCapabilities;
1050	if (!fNotify)
1051	return;
1052	i_updateGuestGraphicsFacility();
1053	/* Tell the console about it */
1054	mParent->i_onAdditionsStateChange();
1055	}
1056
1057	void Display::i_handleUpdateVBVAInputMapping(int32_t xOrigin, int32_t yOrigin, uint32_t cx, uint32_t cy)
1058	{
1059	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1060
1061	xInputMappingOrigin = xOrigin;
1062	yInputMappingOrigin = yOrigin;
1063	cxInputMapping = cx;
1064	cyInputMapping = cy;
1065
1066	/* Re-send the seamless rectangles if necessary. */
1067	if (mfSeamlessEnabled)
1068	i_handleSetVisibleRegion(mcRectVisibleRegion, mpRectVisibleRegion);
1069	}
1070
1071	/**
1072	* Returns the upper left and lower right corners of the virtual framebuffer.
1073	* The lower right is "exclusive" (i.e. first pixel beyond the framebuffer),
1074	* and the origin is (0, 0), not (1, 1) like the GUI returns.
1075	*/
1076	void Display::i_getFramebufferDimensions(int32_t px1, int32_t py1,
1077	int32_t px2, int32_t py2)
1078	{
1079	int32_t x1 = 0, y1 = 0, x2 = 0, y2 = 0;
1080	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1081
1082	AssertPtrReturnVoid(px1);
1083	AssertPtrReturnVoid(py1);
1084	AssertPtrReturnVoid(px2);
1085	AssertPtrReturnVoid(py2);
1086	LogRelFlowFunc(("\n"));
1087
1088	if (!mpDrv)
1089	return;
1090
1091	if (maFramebuffers[0].fVBVAEnabled && cxInputMapping && cyInputMapping)
1092	{
1093	/* Guest uses VBVA with explicit mouse mapping dimensions. */
1094	x1 = xInputMappingOrigin;
1095	y1 = yInputMappingOrigin;
1096	x2 = xInputMappingOrigin + cxInputMapping;
1097	y2 = yInputMappingOrigin + cyInputMapping;
1098	}
1099	else
1100	{
1101	/* If VBVA is not in use then this flag will not be set and this
1102	* will still work as it should. */
1103	if (!maFramebuffers[0].fDisabled)
1104	{
1105	x1 = (int32_t)maFramebuffers[0].xOrigin;
1106	y1 = (int32_t)maFramebuffers[0].yOrigin;
1107	x2 = (int32_t)maFramebuffers[0].w + (int32_t)maFramebuffers[0].xOrigin;
1108	y2 = (int32_t)maFramebuffers[0].h + (int32_t)maFramebuffers[0].yOrigin;
1109	}
1110
1111	for (unsigned i = 1; i < mcMonitors; ++i)
1112	{
1113	if (!maFramebuffers[i].fDisabled)
1114	{
1115	x1 = RT_MIN(x1, maFramebuffers[i].xOrigin);
1116	y1 = RT_MIN(y1, maFramebuffers[i].yOrigin);
1117	x2 = RT_MAX(x2, maFramebuffers[i].xOrigin + (int32_t)maFramebuffers[i].w);
1118	y2 = RT_MAX(y2, maFramebuffers[i].yOrigin + (int32_t)maFramebuffers[i].h);
1119	}
1120	}
1121	}
1122
1123	*px1 = x1;
1124	*py1 = y1;
1125	*px2 = x2;
1126	*py2 = y2;
1127	}
1128
1129	/** Updates the device's view of the host cursor handling capabilities.
1130	* Calls into mpDrv->pUpPort. */
1131	void Display::i_UpdateDeviceCursorCapabilities(void)
1132	{
1133	bool fRenderCursor = true;
1134	bool fMoveCursor = mcVRDPRefs == 0;
1135	#ifdef VBOX_WITH_RECORDING
1136	RecordingContext *pCtx = mParent->i_recordingGetContext();
1137
1138	if ( pCtx
1139	&& pCtx->IsStarted()
1140	&& pCtx->IsFeatureEnabled(RecordingFeature_Video))
1141	fRenderCursor = fMoveCursor = false;
1142	else
1143	#endif /* VBOX_WITH_RECORDING */
1144	{
1145	for (unsigned uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1146	{
1147	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1148	if (!(pFBInfo->u32Caps & FramebufferCapabilities_RenderCursor))
1149	fRenderCursor = false;
1150	if (!(pFBInfo->u32Caps & FramebufferCapabilities_MoveCursor))
1151	fMoveCursor = false;
1152	}
1153	}
1154
1155	if (mpDrv)
1156	mpDrv->pUpPort->pfnReportHostCursorCapabilities(mpDrv->pUpPort, fRenderCursor, fMoveCursor);
1157	}
1158
1159	HRESULT Display::i_reportHostCursorCapabilities(uint32_t fCapabilitiesAdded, uint32_t fCapabilitiesRemoved)
1160	{
1161	/* Do we need this to access mParent? I presume that the safe VM pointer
1162	* ensures that mpDrv will remain valid. */
1163	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1164	uint32_t fHostCursorCapabilities = (mfHostCursorCapabilities \| fCapabilitiesAdded)
1165	& ~fCapabilitiesRemoved;
1166
1167	Console::SafeVMPtr ptrVM(mParent);
1168	if (!ptrVM.isOk())
1169	return ptrVM.rc();
1170	if (mfHostCursorCapabilities == fHostCursorCapabilities)
1171	return S_OK;
1172	CHECK_CONSOLE_DRV(mpDrv);
1173	alock.release(); /* Release before calling up for lock order reasons. */
1174	mfHostCursorCapabilities = fHostCursorCapabilities;
1175	i_UpdateDeviceCursorCapabilities();
1176	return S_OK;
1177	}
1178
1179	HRESULT Display::i_reportHostCursorPosition(int32_t x, int32_t y, bool fOutOfRange)
1180	{
1181	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1182	uint32_t xAdj = (uint32_t)RT_MAX(x - xInputMappingOrigin, 0);
1183	uint32_t yAdj = (uint32_t)RT_MAX(y - yInputMappingOrigin, 0);
1184	xAdj = RT_MIN(xAdj, cxInputMapping);
1185	yAdj = RT_MIN(yAdj, cyInputMapping);
1186
1187	Console::SafeVMPtr ptrVM(mParent);
1188	if (!ptrVM.isOk())
1189	return ptrVM.rc();
1190	CHECK_CONSOLE_DRV(mpDrv);
1191	alock.release(); /* Release before calling up for lock order reasons. */
1192	if (fOutOfRange)
1193	mpDrv->pUpPort->pfnReportHostCursorPosition(mpDrv->pUpPort, 0, 0, true);
1194	else
1195	mpDrv->pUpPort->pfnReportHostCursorPosition(mpDrv->pUpPort, xAdj, yAdj, false);
1196	return S_OK;
1197	}
1198
1199	static bool displayIntersectRect(RTRECT *prectResult,
1200	const RTRECT *prect1,
1201	const RTRECT *prect2)
1202	{
1203	/* Initialize result to an empty record. */
1204	memset(prectResult, 0, sizeof(RTRECT));
1205
1206	int xLeftResult = RT_MAX(prect1->xLeft, prect2->xLeft);
1207	int xRightResult = RT_MIN(prect1->xRight, prect2->xRight);
1208
1209	if (xLeftResult < xRightResult)
1210	{
1211	/* There is intersection by X. */
1212
1213	int yTopResult = RT_MAX(prect1->yTop, prect2->yTop);
1214	int yBottomResult = RT_MIN(prect1->yBottom, prect2->yBottom);
1215
1216	if (yTopResult < yBottomResult)
1217	{
1218	/* There is intersection by Y. */
1219
1220	prectResult->xLeft = xLeftResult;
1221	prectResult->yTop = yTopResult;
1222	prectResult->xRight = xRightResult;
1223	prectResult->yBottom = yBottomResult;
1224
1225	return true;
1226	}
1227	}
1228
1229	return false;
1230	}
1231
1232	int Display::i_saveVisibleRegion(uint32_t cRect, PRTRECT pRect)
1233	{
1234	RTRECT *pRectVisibleRegion = NULL;
1235
1236	if (pRect == mpRectVisibleRegion)
1237	return VINF_SUCCESS;
1238	if (cRect != 0)
1239	{
1240	pRectVisibleRegion = (RTRECT )RTMemAlloc(cRect sizeof(RTRECT));
1241	if (!pRectVisibleRegion)
1242	{
1243	return VERR_NO_MEMORY;
1244	}
1245	memcpy(pRectVisibleRegion, pRect, cRect * sizeof(RTRECT));
1246	}
1247	if (mpRectVisibleRegion)
1248	RTMemFree(mpRectVisibleRegion);
1249	mcRectVisibleRegion = cRect;
1250	mpRectVisibleRegion = pRectVisibleRegion;
1251	return VINF_SUCCESS;
1252	}
1253
1254	int Display::i_handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect)
1255	{
1256	RTRECT pVisibleRegion = (RTRECT )RTMemTmpAlloc( RT_MAX(cRect, 1)
1257	* sizeof(RTRECT));
1258	LogRel2(("%s: cRect=%u\n", __PRETTY_FUNCTION__, cRect));
1259	if (!pVisibleRegion)
1260	{
1261	return VERR_NO_TMP_MEMORY;
1262	}
1263	int vrc = i_saveVisibleRegion(cRect, pRect);
1264	if (RT_FAILURE(vrc))
1265	{
1266	RTMemTmpFree(pVisibleRegion);
1267	return vrc;
1268	}
1269
1270	unsigned uScreenId;
1271	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1272	{
1273	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1274
1275	if ( !pFBInfo->pFramebuffer.isNull()
1276	&& RT_BOOL(pFBInfo->u32Caps & FramebufferCapabilities_VisibleRegion))
1277	{
1278	/* Prepare a new array of rectangles which intersect with the framebuffer.
1279	*/
1280	RTRECT rectFramebuffer;
1281	rectFramebuffer.xLeft = pFBInfo->xOrigin - xInputMappingOrigin;
1282	rectFramebuffer.yTop = pFBInfo->yOrigin - yInputMappingOrigin;
1283	rectFramebuffer.xRight = rectFramebuffer.xLeft + pFBInfo->w;
1284	rectFramebuffer.yBottom = rectFramebuffer.yTop + pFBInfo->h;
1285
1286	uint32_t cRectVisibleRegion = 0;
1287
1288	uint32_t i;
1289	for (i = 0; i < cRect; i++)
1290	{
1291	if (displayIntersectRect(&pVisibleRegion[cRectVisibleRegion], &pRect[i], &rectFramebuffer))
1292	{
1293	pVisibleRegion[cRectVisibleRegion].xLeft -= rectFramebuffer.xLeft;
1294	pVisibleRegion[cRectVisibleRegion].yTop -= rectFramebuffer.yTop;
1295	pVisibleRegion[cRectVisibleRegion].xRight -= rectFramebuffer.xLeft;
1296	pVisibleRegion[cRectVisibleRegion].yBottom -= rectFramebuffer.yTop;
1297
1298	cRectVisibleRegion++;
1299	}
1300	}
1301	pFBInfo->pFramebuffer->SetVisibleRegion((BYTE *)pVisibleRegion, cRectVisibleRegion);
1302	}
1303	}
1304
1305	RTMemTmpFree(pVisibleRegion);
1306
1307	return VINF_SUCCESS;
1308	}
1309
1310	int Display::i_handleUpdateMonitorPositions(uint32_t cPositions, PCRTPOINT paPositions)
1311	{
1312	AssertMsgReturn(paPositions, ("Empty monitor position array\n"), E_INVALIDARG);
1313	for (unsigned i = 0; i < cPositions; ++i)
1314	LogRel2(("Display::i_handleUpdateMonitorPositions: uScreenId=%d xOrigin=%d yOrigin=%dX\n",
1315	i, paPositions[i].x, paPositions[i].y));
1316
1317	if (mpDrv && mpDrv->pUpPort->pfnReportMonitorPositions)
1318	mpDrv->pUpPort->pfnReportMonitorPositions(mpDrv->pUpPort, cPositions, paPositions);
1319	return VINF_SUCCESS;
1320	}
1321
1322	int Display::i_handleQueryVisibleRegion(uint32_t *pcRects, PRTRECT paRects)
1323	{
1324	/// @todo Currently not used by the guest and is not implemented in
1325	/// framebuffers. Remove?
1326	RT_NOREF(pcRects, paRects);
1327	return VERR_NOT_SUPPORTED;
1328	}
1329
1330	#ifdef VBOX_WITH_HGSMI
1331	static void vbvaSetMemoryFlagsHGSMI(unsigned uScreenId,
1332	uint32_t fu32SupportedOrders,
1333	bool fVideoAccelVRDP,
1334	DISPLAYFBINFO *pFBInfo)
1335	{
1336	LogRelFlowFunc(("HGSMI[%d]: %p\n", uScreenId, pFBInfo->pVBVAHostFlags));
1337
1338	if (pFBInfo->pVBVAHostFlags)
1339	{
1340	uint32_t fu32HostEvents = VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1341
1342	if (pFBInfo->fVBVAEnabled)
1343	{
1344	fu32HostEvents \|= VBVA_F_MODE_ENABLED;
1345
1346	if (fVideoAccelVRDP)
1347	{
1348	fu32HostEvents \|= VBVA_F_MODE_VRDP;
1349	}
1350	}
1351
1352	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32HostEvents, fu32HostEvents);
1353	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32SupportedOrders, fu32SupportedOrders);
1354
1355	LogRelFlowFunc((" fu32HostEvents = 0x%08X, fu32SupportedOrders = 0x%08X\n", fu32HostEvents, fu32SupportedOrders));
1356	}
1357	}
1358
1359	static void vbvaSetMemoryFlagsAllHGSMI(uint32_t fu32SupportedOrders,
1360	bool fVideoAccelVRDP,
1361	DISPLAYFBINFO *paFBInfos,
1362	unsigned cFBInfos)
1363	{
1364	unsigned uScreenId;
1365
1366	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1367	{
1368	vbvaSetMemoryFlagsHGSMI(uScreenId, fu32SupportedOrders, fVideoAccelVRDP, &paFBInfos[uScreenId]);
1369	}
1370	}
1371	#endif /* VBOX_WITH_HGSMI */
1372
1373	int Display::VideoAccelEnableVMMDev(bool fEnable, VBVAMEMORY *pVbvaMemory)
1374	{
1375	LogFlowFunc(("%d %p\n", fEnable, pVbvaMemory));
1376	int vrc = videoAccelEnterVMMDev(&mVideoAccelLegacy);
1377	if (RT_SUCCESS(vrc))
1378	{
1379	vrc = i_VideoAccelEnable(fEnable, pVbvaMemory, mpDrv->pUpPort);
1380	videoAccelLeaveVMMDev(&mVideoAccelLegacy);
1381	}
1382	LogFlowFunc(("leave %Rrc\n", vrc));
1383	return vrc;
1384	}
1385
1386	int Display::VideoAccelEnableVGA(bool fEnable, VBVAMEMORY *pVbvaMemory)
1387	{
1388	LogFlowFunc(("%d %p\n", fEnable, pVbvaMemory));
1389	int vrc = videoAccelEnterVGA(&mVideoAccelLegacy);
1390	if (RT_SUCCESS(vrc))
1391	{
1392	vrc = i_VideoAccelEnable(fEnable, pVbvaMemory, mpDrv->pUpPort);
1393	videoAccelLeaveVGA(&mVideoAccelLegacy);
1394	}
1395	LogFlowFunc(("leave %Rrc\n", vrc));
1396	return vrc;
1397	}
1398
1399	void Display::VideoAccelFlushVMMDev(void)
1400	{
1401	LogFlowFunc(("enter\n"));
1402	int vrc = videoAccelEnterVMMDev(&mVideoAccelLegacy);
1403	if (RT_SUCCESS(vrc))
1404	{
1405	i_VideoAccelFlush(mpDrv->pUpPort);
1406	videoAccelLeaveVMMDev(&mVideoAccelLegacy);
1407	}
1408	LogFlowFunc(("leave\n"));
1409	}
1410
1411	/* Called always by one VRDP server thread. Can be thread-unsafe.
1412	*/
1413	void Display::i_VRDPConnectionEvent(bool fConnect)
1414	{
1415	LogRelFlowFunc(("fConnect = %d\n", fConnect));
1416
1417	int c = fConnect?
1418	ASMAtomicIncS32(&mcVRDPRefs):
1419	ASMAtomicDecS32(&mcVRDPRefs);
1420
1421	i_VideoAccelVRDP(fConnect, c);
1422	i_UpdateDeviceCursorCapabilities();
1423	}
1424
1425
1426	void Display::i_VideoAccelVRDP(bool fEnable, int c)
1427	{
1428	VIDEOACCEL *pVideoAccel = &mVideoAccelLegacy;
1429
1430	Assert (c >= 0);
1431	RT_NOREF(fEnable);
1432
1433	/* This can run concurrently with Display videoaccel state change. */
1434	RTCritSectEnter(&mVideoAccelLock);
1435
1436	if (c == 0)
1437	{
1438	/* The last client has disconnected, and the accel can be
1439	* disabled.
1440	*/
1441	Assert(fEnable == false);
1442
1443	mfVideoAccelVRDP = false;
1444	mfu32SupportedOrders = 0;
1445
1446	i_vbvaSetMemoryFlags(pVideoAccel->pVbvaMemory, pVideoAccel->fVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders,
1447	maFramebuffers, mcMonitors);
1448	#ifdef VBOX_WITH_HGSMI
1449	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1450	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1451	#endif /* VBOX_WITH_HGSMI */
1452
1453	LogRel(("VBVA: VRDP acceleration has been disabled.\n"));
1454	}
1455	else if ( c == 1
1456	&& !mfVideoAccelVRDP)
1457	{
1458	/* The first client has connected. Enable the accel.
1459	*/
1460	Assert(fEnable == true);
1461
1462	mfVideoAccelVRDP = true;
1463	/* Supporting all orders. */
1464	mfu32SupportedOrders = UINT32_MAX;
1465
1466	i_vbvaSetMemoryFlags(pVideoAccel->pVbvaMemory, pVideoAccel->fVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders,
1467	maFramebuffers, mcMonitors);
1468	#ifdef VBOX_WITH_HGSMI
1469	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1470	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1471	#endif /* VBOX_WITH_HGSMI */
1472
1473	LogRel(("VBVA: VRDP acceleration has been requested.\n"));
1474	}
1475	else
1476	{
1477	/* A client is connected or disconnected but there is no change in the
1478	* accel state. It remains enabled.
1479	*/
1480	Assert(mfVideoAccelVRDP == true);
1481	}
1482
1483	RTCritSectLeave(&mVideoAccelLock);
1484	}
1485
1486	void Display::i_notifyPowerDown(void)
1487	{
1488	LogRelFlowFunc(("\n"));
1489
1490	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1491
1492	/* Source bitmaps are not available anymore. */
1493	mfSourceBitmapEnabled = false;
1494
1495	alock.release();
1496
1497	/* Resize all displays to tell framebuffers to forget current source bitmap. */
1498	unsigned uScreenId = mcMonitors;
1499	while (uScreenId > 0)
1500	{
1501	--uScreenId;
1502
1503	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1504	if (!pFBInfo->fDisabled)
1505	{
1506	i_handleDisplayResize(uScreenId, 32,
1507	pFBInfo->pu8FramebufferVRAM,
1508	pFBInfo->u32LineSize,
1509	pFBInfo->w,
1510	pFBInfo->h,
1511	pFBInfo->flags,
1512	pFBInfo->xOrigin,
1513	pFBInfo->yOrigin,
1514	false);
1515	}
1516	}
1517	}
1518
1519	// Wrapped IDisplay methods
1520	/////////////////////////////////////////////////////////////////////////////
1521	HRESULT Display::getScreenResolution(ULONG aScreenId, ULONG aWidth, ULONG aHeight, ULONG *aBitsPerPixel,
1522	LONG aXOrigin, LONG aYOrigin, GuestMonitorStatus_T *aGuestMonitorStatus)
1523	{
1524	LogRelFlowFunc(("aScreenId=%RU32\n", aScreenId));
1525
1526	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1527
1528	if (aScreenId >= mcMonitors)
1529	return E_INVALIDARG;
1530
1531	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1532
1533	GuestMonitorStatus_T guestMonitorStatus = GuestMonitorStatus_Enabled;
1534
1535	if (pFBInfo->flags & VBVA_SCREEN_F_DISABLED)
1536	guestMonitorStatus = GuestMonitorStatus_Disabled;
1537	else if (pFBInfo->flags & (VBVA_SCREEN_F_BLANK \| VBVA_SCREEN_F_BLANK2))
1538	guestMonitorStatus = GuestMonitorStatus_Blank;
1539
1540	if (aWidth)
1541	*aWidth = pFBInfo->w;
1542	if (aHeight)
1543	*aHeight = pFBInfo->h;
1544	if (aBitsPerPixel)
1545	*aBitsPerPixel = pFBInfo->u16BitsPerPixel;
1546	if (aXOrigin)
1547	*aXOrigin = pFBInfo->xOrigin;
1548	if (aYOrigin)
1549	*aYOrigin = pFBInfo->yOrigin;
1550	if (aGuestMonitorStatus)
1551	*aGuestMonitorStatus = guestMonitorStatus;
1552
1553	return S_OK;
1554	}
1555
1556
1557	HRESULT Display::attachFramebuffer(ULONG aScreenId, const ComPtr<IFramebuffer> &aFramebuffer, com::Guid &aId)
1558	{
1559	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
1560
1561	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1562
1563	if (aScreenId >= mcMonitors)
1564	return setError(E_INVALIDARG, tr("AttachFramebuffer: Invalid screen %d (total %d)"),
1565	aScreenId, mcMonitors);
1566
1567	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1568	if (!pFBInfo->pFramebuffer.isNull())
1569	return setError(E_FAIL, tr("AttachFramebuffer: Framebuffer already attached to %d"),
1570	aScreenId);
1571
1572	pFBInfo->pFramebuffer = aFramebuffer;
1573	pFBInfo->framebufferId.create();
1574	aId = pFBInfo->framebufferId;
1575
1576	SafeArray<FramebufferCapabilities_T> caps;
1577	pFBInfo->pFramebuffer->COMGETTER(Capabilities)(ComSafeArrayAsOutParam(caps));
1578	pFBInfo->u32Caps = 0;
1579	size_t i;
1580	for (i = 0; i < caps.size(); ++i)
1581	pFBInfo->u32Caps \|= caps[i];
1582
1583	alock.release();
1584
1585	/* The driver might not have been constructed yet */
1586	if (mpDrv)
1587	{
1588	/* Inform the framebuffer about the actual screen size. */
1589	HRESULT hr = aFramebuffer->NotifyChange(aScreenId, 0, 0, pFBInfo->w, pFBInfo->h); /** @todo origin */
1590	LogFunc(("NotifyChange hr %08X\n", hr)); NOREF(hr);
1591
1592	/* Re-send the seamless rectangles if necessary. */
1593	if (mfSeamlessEnabled)
1594	i_handleSetVisibleRegion(mcRectVisibleRegion, mpRectVisibleRegion);
1595	}
1596
1597	Console::SafeVMPtrQuiet ptrVM(mParent);
1598	if (ptrVM.isOk())
1599	ptrVM.vtable()->pfnVMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
1600	3, this, aScreenId, false);
1601
1602	LogRelFlowFunc(("Attached to %d %RTuuid\n", aScreenId, aId.raw()));
1603	return S_OK;
1604	}
1605
1606	HRESULT Display::detachFramebuffer(ULONG aScreenId, const com::Guid &aId)
1607	{
1608	LogRelFlowFunc(("aScreenId = %d %RTuuid\n", aScreenId, aId.raw()));
1609
1610	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1611
1612	if (aScreenId >= mcMonitors)
1613	return setError(E_INVALIDARG, tr("DetachFramebuffer: Invalid screen %d (total %d)"),
1614	aScreenId, mcMonitors);
1615
1616	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1617
1618	if (pFBInfo->framebufferId != aId)
1619	{
1620	LogRelFlowFunc(("Invalid framebuffer aScreenId = %d, attached %p\n", aScreenId, pFBInfo->framebufferId.raw()));
1621	return setError(E_FAIL, tr("DetachFramebuffer: Invalid framebuffer object"));
1622	}
1623
1624	pFBInfo->pFramebuffer.setNull();
1625	pFBInfo->framebufferId.clear();
1626
1627	alock.release();
1628	return S_OK;
1629	}
1630
1631	HRESULT Display::queryFramebuffer(ULONG aScreenId, ComPtr<IFramebuffer> &aFramebuffer)
1632	{
1633	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
1634
1635	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1636
1637	if (aScreenId >= mcMonitors)
1638	return setError(E_INVALIDARG, tr("QueryFramebuffer: Invalid screen %d (total %d)"),
1639	aScreenId, mcMonitors);
1640
1641	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1642
1643	pFBInfo->pFramebuffer.queryInterfaceTo(aFramebuffer.asOutParam());
1644
1645	return S_OK;
1646	}
1647
1648	HRESULT Display::setVideoModeHint(ULONG aDisplay, BOOL aEnabled,
1649	BOOL aChangeOrigin, LONG aOriginX, LONG aOriginY,
1650	ULONG aWidth, ULONG aHeight, ULONG aBitsPerPixel,
1651	BOOL aNotify)
1652	{
1653	if (aWidth == 0 \|\| aHeight == 0 \|\| aBitsPerPixel == 0)
1654	{
1655	/* Some of parameters must not change. Query current mode. */
1656	ULONG ulWidth = 0;
1657	ULONG ulHeight = 0;
1658	ULONG ulBitsPerPixel = 0;
1659	HRESULT hr = getScreenResolution(aDisplay, &ulWidth, &ulHeight, &ulBitsPerPixel, NULL, NULL, NULL);
1660	if (FAILED(hr))
1661	return hr;
1662
1663	/* Assign current values to not changing parameters. */
1664	if (aWidth == 0)
1665	aWidth = ulWidth;
1666	if (aHeight == 0)
1667	aHeight = ulHeight;
1668	if (aBitsPerPixel == 0)
1669	aBitsPerPixel = ulBitsPerPixel;
1670	}
1671
1672	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1673
1674	if (aDisplay >= mcMonitors)
1675	return E_INVALIDARG;
1676
1677	VMMDevDisplayDef d;
1678	d.idDisplay = aDisplay;
1679	d.xOrigin = aOriginX;
1680	d.yOrigin = aOriginY;
1681	d.cx = aWidth;
1682	d.cy = aHeight;
1683	d.cBitsPerPixel = aBitsPerPixel;
1684	d.fDisplayFlags = VMMDEV_DISPLAY_CX \| VMMDEV_DISPLAY_CY \| VMMDEV_DISPLAY_BPP;
1685	if (!aEnabled)
1686	d.fDisplayFlags \|= VMMDEV_DISPLAY_DISABLED;
1687	if (aChangeOrigin)
1688	d.fDisplayFlags \|= VMMDEV_DISPLAY_ORIGIN;
1689	if (aDisplay == 0)
1690	d.fDisplayFlags \|= VMMDEV_DISPLAY_PRIMARY;
1691
1692	/* Remember the monitor information. */
1693	maFramebuffers[aDisplay].monitorDesc = d;
1694
1695	CHECK_CONSOLE_DRV(mpDrv);
1696
1697	/*
1698	* It is up to the guest to decide whether the hint is
1699	* valid. Therefore don't do any VRAM sanity checks here.
1700	*/
1701
1702	/* Have to release the lock because the pfnRequestDisplayChange
1703	* will call EMT. */
1704	alock.release();
1705
1706	/* We always send the hint to the graphics card in case the guest enables
1707	* support later. For now we notify exactly when support is enabled. */
1708	mpDrv->pUpPort->pfnSendModeHint(mpDrv->pUpPort, aWidth, aHeight,
1709	aBitsPerPixel, aDisplay,
1710	aChangeOrigin ? aOriginX : ~0,
1711	aChangeOrigin ? aOriginY : ~0,
1712	RT_BOOL(aEnabled),
1713	(mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS)
1714	&& aNotify);
1715	if ( mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS
1716	&& !(mfGuestVBVACapabilities & VBVACAPS_IRQ)
1717	&& aNotify)
1718	mParent->i_sendACPIMonitorHotPlugEvent();
1719
1720	/* We currently never suppress the VMMDev hint if the guest has requested
1721	* it. Specifically the video graphics driver may not be responsible for
1722	* screen positioning in the guest virtual desktop, and the component
1723	* responsible may want to get the hint from VMMDev. */
1724	VMMDev *pVMMDev = mParent->i_getVMMDev();
1725	if (pVMMDev)
1726	{
1727	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1728	if (pVMMDevPort)
1729	pVMMDevPort->pfnRequestDisplayChange(pVMMDevPort, 1, &d, false, RT_BOOL(aNotify));
1730	}
1731	/* Notify listeners. */
1732	::FireGuestMonitorInfoChangedEvent(mParent->i_getEventSource(), aDisplay);
1733	return S_OK;
1734	}
1735
1736	HRESULT Display::getVideoModeHint(ULONG cDisplay, BOOL *pfEnabled,
1737	BOOL pfChangeOrigin, LONG pxOrigin, LONG *pyOrigin,
1738	ULONG pcx, ULONG pcy, ULONG *pcBitsPerPixel)
1739	{
1740	if (cDisplay >= mcMonitors)
1741	return E_INVALIDARG;
1742
1743	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1744	if (pfEnabled)
1745	*pfEnabled = !( maFramebuffers[cDisplay].monitorDesc.fDisplayFlags
1746	& VMMDEV_DISPLAY_DISABLED);
1747	if (pfChangeOrigin)
1748	*pfChangeOrigin = RT_BOOL( maFramebuffers[cDisplay].monitorDesc.fDisplayFlags
1749	& VMMDEV_DISPLAY_ORIGIN);
1750	if (pxOrigin)
1751	*pxOrigin = maFramebuffers[cDisplay].monitorDesc.xOrigin;
1752	if (pyOrigin)
1753	*pyOrigin = maFramebuffers[cDisplay].monitorDesc.yOrigin;
1754	if (pcx)
1755	*pcx = maFramebuffers[cDisplay].monitorDesc.cx;
1756	if (pcy)
1757	*pcy = maFramebuffers[cDisplay].monitorDesc.cy;
1758	if (pcBitsPerPixel)
1759	*pcBitsPerPixel = maFramebuffers[cDisplay].monitorDesc.cBitsPerPixel;
1760	return S_OK;
1761	}
1762
1763	HRESULT Display::setSeamlessMode(BOOL enabled)
1764	{
1765	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1766
1767	/* Have to release the lock because the pfnRequestSeamlessChange will call EMT. */
1768	alock.release();
1769
1770	VMMDev *pVMMDev = mParent->i_getVMMDev();
1771	if (pVMMDev)
1772	{
1773	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1774	if (pVMMDevPort)
1775	pVMMDevPort->pfnRequestSeamlessChange(pVMMDevPort, !!enabled);
1776	}
1777	mfSeamlessEnabled = RT_BOOL(enabled);
1778	return S_OK;
1779	}
1780
1781	/static/ DECLCALLBACK(int)
1782	Display::i_displayTakeScreenshotEMT(Display pDisplay, ULONG aScreenId, uint8_t ppbData, size_t pcbData,
1783	uint32_t pcx, uint32_t pcy, bool *pfMemFree)
1784	{
1785	int vrc;
1786	if ( aScreenId == VBOX_VIDEO_PRIMARY_SCREEN
1787	&& pDisplay->maFramebuffers[aScreenId].fVBVAEnabled == false) /* A non-VBVA mode. */
1788	{
1789	if (pDisplay->mpDrv)
1790	{
1791	vrc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppbData, pcbData, pcx, pcy);
1792	*pfMemFree = false;
1793	}
1794	else
1795	{
1796	/* No image. */
1797	*ppbData = NULL;
1798	*pcbData = 0;
1799	*pcx = 0;
1800	*pcy = 0;
1801	*pfMemFree = true;
1802	vrc = VINF_SUCCESS;
1803	}
1804	}
1805	else if (aScreenId < pDisplay->mcMonitors)
1806	{
1807	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
1808
1809	uint32_t width = pFBInfo->w;
1810	uint32_t height = pFBInfo->h;
1811
1812	/* Allocate 32 bit per pixel bitmap. */
1813	size_t cbRequired = width * 4 * height;
1814
1815	if (cbRequired)
1816	{
1817	uint8_t pbDst = (uint8_t )RTMemAlloc(cbRequired);
1818	if (pbDst != NULL)
1819	{
1820	if (pFBInfo->flags & VBVA_SCREEN_F_ACTIVE)
1821	{
1822	/* Copy guest VRAM to the allocated 32bpp buffer. */
1823	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
1824	int32_t xSrc = 0;
1825	int32_t ySrc = 0;
1826	uint32_t u32SrcWidth = width;
1827	uint32_t u32SrcHeight = height;
1828	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
1829	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
1830
1831	int32_t xDst = 0;
1832	int32_t yDst = 0;
1833	uint32_t u32DstWidth = u32SrcWidth;
1834	uint32_t u32DstHeight = u32SrcHeight;
1835	uint32_t u32DstLineSize = u32DstWidth * 4;
1836	uint32_t u32DstBitsPerPixel = 32;
1837
1838	vrc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
1839	width, height,
1840	pu8Src,
1841	xSrc, ySrc,
1842	u32SrcWidth, u32SrcHeight,
1843	u32SrcLineSize, u32SrcBitsPerPixel,
1844	pbDst,
1845	xDst, yDst,
1846	u32DstWidth, u32DstHeight,
1847	u32DstLineSize, u32DstBitsPerPixel);
1848	}
1849	else
1850	{
1851	memset(pbDst, 0, cbRequired);
1852	vrc = VINF_SUCCESS;
1853	}
1854	if (RT_SUCCESS(vrc))
1855	{
1856	*ppbData = pbDst;
1857	*pcbData = cbRequired;
1858	*pcx = width;
1859	*pcy = height;
1860	*pfMemFree = true;
1861	}
1862	else
1863	{
1864	RTMemFree(pbDst);
1865
1866	/* CopyRect can fail if VBVA was paused in VGA device, retry using the generic method. */
1867	if ( vrc == VERR_INVALID_STATE
1868	&& aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1869	{
1870	vrc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppbData, pcbData, pcx, pcy);
1871	*pfMemFree = false;
1872	}
1873	}
1874	}
1875	else
1876	vrc = VERR_NO_MEMORY;
1877	}
1878	else
1879	{
1880	/* No image. */
1881	*ppbData = NULL;
1882	*pcbData = 0;
1883	*pcx = 0;
1884	*pcy = 0;
1885	*pfMemFree = true;
1886	vrc = VINF_SUCCESS;
1887	}
1888	}
1889	else
1890	vrc = VERR_INVALID_PARAMETER;
1891	return vrc;
1892	}
1893
1894	static int i_displayTakeScreenshot(PUVM pUVM, PCVMMR3VTABLE pVMM, Display pDisplay, struct DRVMAINDISPLAY pDrv,
1895	ULONG aScreenId, BYTE *address, ULONG width, ULONG height)
1896	{
1897	uint8_t *pbData = NULL;
1898	size_t cbData = 0;
1899	uint32_t cx = 0;
1900	uint32_t cy = 0;
1901	bool fFreeMem = false;
1902	int vrc = VINF_SUCCESS;
1903
1904	int cRetries = 5;
1905	while (cRetries-- > 0)
1906	{
1907	/* Note! Not sure if the priority call is such a good idea here, but
1908	it would be nice to have an accurate screenshot for the bug
1909	report if the VM deadlocks. */
1910	vrc = pVMM->pfnVMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)Display::i_displayTakeScreenshotEMT, 7,
1911	pDisplay, aScreenId, &pbData, &cbData, &cx, &cy, &fFreeMem);
1912	if (vrc != VERR_TRY_AGAIN)
1913	{
1914	break;
1915	}
1916
1917	RTThreadSleep(10);
1918	}
1919
1920	if (RT_SUCCESS(vrc) && pbData)
1921	{
1922	if (cx == width && cy == height)
1923	{
1924	/* No scaling required. */
1925	memcpy(address, pbData, cbData);
1926	}
1927	else
1928	{
1929	/* Scale. */
1930	LogRelFlowFunc(("SCALE: %dx%d -> %dx%d\n", cx, cy, width, height));
1931
1932	uint8_t *dst = address;
1933	uint8_t *src = pbData;
1934	int dstW = width;
1935	int dstH = height;
1936	int srcW = cx;
1937	int srcH = cy;
1938	int iDeltaLine = cx * 4;
1939
1940	BitmapScale32(dst,
1941	dstW, dstH,
1942	src,
1943	iDeltaLine,
1944	srcW, srcH);
1945	}
1946
1947	if (fFreeMem)
1948	RTMemFree(pbData);
1949	else
1950	{
1951	/* This can be called from any thread. */
1952	pDrv->pUpPort->pfnFreeScreenshot(pDrv->pUpPort, pbData);
1953	}
1954	}
1955
1956	return vrc;
1957	}
1958
1959	HRESULT Display::takeScreenShotWorker(ULONG aScreenId,
1960	BYTE *aAddress,
1961	ULONG aWidth,
1962	ULONG aHeight,
1963	BitmapFormat_T aBitmapFormat,
1964	ULONG *pcbOut)
1965	{
1966	HRESULT hrc = S_OK;
1967
1968	/* Do not allow too small and too large screenshots. This also filters out negative
1969	* values passed as either 'aWidth' or 'aHeight'.
1970	*/
1971	CheckComArgExpr(aWidth, aWidth != 0 && aWidth <= 32767);
1972	CheckComArgExpr(aHeight, aHeight != 0 && aHeight <= 32767);
1973
1974	if ( aBitmapFormat != BitmapFormat_BGR0
1975	&& aBitmapFormat != BitmapFormat_BGRA
1976	&& aBitmapFormat != BitmapFormat_RGBA
1977	&& aBitmapFormat != BitmapFormat_PNG)
1978	{
1979	return setError(E_NOTIMPL,
1980	tr("Unsupported screenshot format 0x%08X"), aBitmapFormat);
1981	}
1982
1983	Console::SafeVMPtr ptrVM(mParent);
1984	if (!ptrVM.isOk())
1985	return ptrVM.rc();
1986
1987	int vrc = i_displayTakeScreenshot(ptrVM.rawUVM(), ptrVM.vtable(), this, mpDrv, aScreenId, aAddress, aWidth, aHeight);
1988	if (RT_SUCCESS(vrc))
1989	{
1990	const size_t cbData = aWidth * 4 * aHeight;
1991
1992	/* Most of uncompressed formats. */
1993	*pcbOut = (ULONG)cbData;
1994
1995	if (aBitmapFormat == BitmapFormat_BGR0)
1996	{
1997	/* Do nothing. */
1998	}
1999	else if (aBitmapFormat == BitmapFormat_BGRA)
2000	{
2001	uint32_t pu32 = (uint32_t )aAddress;
2002	size_t cPixels = aWidth * aHeight;
2003	while (cPixels--)
2004	*pu32++ \|= UINT32_C(0xFF000000);
2005	}
2006	else if (aBitmapFormat == BitmapFormat_RGBA)
2007	{
2008	uint8_t *pu8 = aAddress;
2009	size_t cPixels = aWidth * aHeight;
2010	while (cPixels--)
2011	{
2012	uint8_t u8 = pu8[0];
2013	pu8[0] = pu8[2];
2014	pu8[2] = u8;
2015	pu8[3] = 0xFF;
2016
2017	pu8 += 4;
2018	}
2019	}
2020	else if (aBitmapFormat == BitmapFormat_PNG)
2021	{
2022	uint8_t *pu8PNG = NULL;
2023	uint32_t cbPNG = 0;
2024	uint32_t cxPNG = 0;
2025	uint32_t cyPNG = 0;
2026
2027	vrc = DisplayMakePNG(aAddress, aWidth, aHeight, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 0);
2028	if (RT_SUCCESS(vrc))
2029	{
2030	if (cbPNG <= cbData)
2031	{
2032	memcpy(aAddress, pu8PNG, cbPNG);
2033	*pcbOut = cbPNG;
2034	}
2035	else
2036	hrc = setError(E_FAIL, tr("PNG is larger than 32bpp bitmap"));
2037	}
2038	else
2039	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not convert screenshot to PNG (%Rrc)"), vrc);
2040	RTMemFree(pu8PNG);
2041	}
2042	}
2043	else if (vrc == VERR_TRY_AGAIN)
2044	hrc = setErrorBoth(E_UNEXPECTED, vrc, tr("Screenshot is not available at this time"));
2045	else if (RT_FAILURE(vrc))
2046	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not take a screenshot (%Rrc)"), vrc);
2047
2048	return hrc;
2049	}
2050
2051	HRESULT Display::takeScreenShot(ULONG aScreenId,
2052	BYTE *aAddress,
2053	ULONG aWidth,
2054	ULONG aHeight,
2055	BitmapFormat_T aBitmapFormat)
2056	{
2057	LogRelFlowFunc(("[%d] address=%p, width=%d, height=%d, format 0x%08X\n",
2058	aScreenId, aAddress, aWidth, aHeight, aBitmapFormat));
2059
2060	ULONG cbOut = 0;
2061	HRESULT hrc = takeScreenShotWorker(aScreenId, aAddress, aWidth, aHeight, aBitmapFormat, &cbOut);
2062	NOREF(cbOut);
2063
2064	LogRelFlowFunc(("%Rhrc\n", hrc));
2065	return hrc;
2066	}
2067
2068	HRESULT Display::takeScreenShotToArray(ULONG aScreenId,
2069	ULONG aWidth,
2070	ULONG aHeight,
2071	BitmapFormat_T aBitmapFormat,
2072	std::vector<BYTE> &aScreenData)
2073	{
2074	LogRelFlowFunc(("[%d] width=%d, height=%d, format 0x%08X\n",
2075	aScreenId, aWidth, aHeight, aBitmapFormat));
2076
2077	/* Do not allow too small and too large screenshots. This also filters out negative
2078	* values passed as either 'aWidth' or 'aHeight'.
2079	*/
2080	CheckComArgExpr(aWidth, aWidth != 0 && aWidth <= 32767);
2081	CheckComArgExpr(aHeight, aHeight != 0 && aHeight <= 32767);
2082
2083	const size_t cbData = aWidth * 4 * aHeight;
2084	aScreenData.resize(cbData);
2085
2086	ULONG cbOut = 0;
2087	HRESULT hrc = takeScreenShotWorker(aScreenId, &aScreenData.front(), aWidth, aHeight, aBitmapFormat, &cbOut);
2088	if (FAILED(hrc))
2089	cbOut = 0;
2090
2091	aScreenData.resize(cbOut);
2092
2093	LogRelFlowFunc(("%Rhrc\n", hrc));
2094	return hrc;
2095	}
2096
2097	#ifdef VBOX_WITH_RECORDING
2098	/**
2099	* Invalidates the recording configuration.
2100	*
2101	* @returns IPRT status code.
2102	*/
2103	int Display::i_recordingInvalidate(void)
2104	{
2105	RecordingContext *pCtx = mParent->i_recordingGetContext();
2106	if (!pCtx \|\| !pCtx->IsStarted())
2107	return VINF_SUCCESS;
2108
2109	/*
2110	* Invalidate screens.
2111	*/
2112	for (unsigned uScreen = 0; uScreen < mcMonitors; uScreen++)
2113	{
2114	RecordingStream *pRecordingStream = pCtx->GetStream(uScreen);
2115
2116	const bool fStreamEnabled = pRecordingStream->IsReady();
2117	bool fChanged = maRecordingEnabled[uScreen] != fStreamEnabled;
2118
2119	maRecordingEnabled[uScreen] = fStreamEnabled;
2120
2121	if (fChanged && uScreen < mcMonitors)
2122	i_recordingScreenChanged(uScreen);
2123	}
2124
2125	return VINF_SUCCESS;
2126	}
2127
2128	void Display::i_recordingScreenChanged(unsigned uScreenId)
2129	{
2130	RecordingContext *pCtx = mParent->i_recordingGetContext();
2131
2132	i_UpdateDeviceCursorCapabilities();
2133	if ( RT_LIKELY(!maRecordingEnabled[uScreenId])
2134	\|\| !pCtx \|\| !pCtx->IsStarted())
2135	{
2136	/* Skip recording this screen. */
2137	return;
2138	}
2139
2140	/* Get a new source bitmap which will be used by video recording code. */
2141	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
2142	QuerySourceBitmap(uScreenId, pSourceBitmap.asOutParam());
2143
2144	int vrc2 = RTCritSectEnter(&mVideoRecLock);
2145	if (RT_SUCCESS(vrc2))
2146	{
2147	maFramebuffers[uScreenId].Recording.pSourceBitmap = pSourceBitmap;
2148
2149	vrc2 = RTCritSectLeave(&mVideoRecLock);
2150	AssertRC(vrc2);
2151	}
2152	}
2153	#endif /* VBOX_WITH_RECORDING */
2154
2155	/static/ DECLCALLBACK(int)
2156	Display::i_drawToScreenEMT(Display pDisplay, ULONG aScreenId, BYTE address, ULONG x, ULONG y, ULONG width, ULONG height)
2157	{
2158	int vrc = VINF_SUCCESS;
2159
2160	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
2161
2162	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2163	{
2164	vrc = pDisplay->mpDrv->pUpPort->pfnDisplayBlt(pDisplay->mpDrv->pUpPort, address, x, y, width, height);
2165	}
2166	else if (aScreenId < pDisplay->mcMonitors)
2167	{
2168	/* Copy the bitmap to the guest VRAM. */
2169	const uint8_t *pu8Src = address;
2170	int32_t xSrc = 0;
2171	int32_t ySrc = 0;
2172	uint32_t u32SrcWidth = width;
2173	uint32_t u32SrcHeight = height;
2174	uint32_t u32SrcLineSize = width * 4;
2175	uint32_t u32SrcBitsPerPixel = 32;
2176
2177	uint8_t *pu8Dst = pFBInfo->pu8FramebufferVRAM;
2178	int32_t xDst = x;
2179	int32_t yDst = y;
2180	uint32_t u32DstWidth = pFBInfo->w;
2181	uint32_t u32DstHeight = pFBInfo->h;
2182	uint32_t u32DstLineSize = pFBInfo->u32LineSize;
2183	uint32_t u32DstBitsPerPixel = pFBInfo->u16BitsPerPixel;
2184
2185	vrc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2186	width, height,
2187	pu8Src,
2188	xSrc, ySrc,
2189	u32SrcWidth, u32SrcHeight,
2190	u32SrcLineSize, u32SrcBitsPerPixel,
2191	pu8Dst,
2192	xDst, yDst,
2193	u32DstWidth, u32DstHeight,
2194	u32DstLineSize, u32DstBitsPerPixel);
2195	if (RT_SUCCESS(vrc))
2196	{
2197	if (!pFBInfo->pSourceBitmap.isNull())
2198	{
2199	/* Update the changed screen area. When source bitmap uses VRAM directly, just notify
2200	* frontend to update. And for default format, render the guest VRAM to the source bitmap.
2201	*/
2202	if ( pFBInfo->fDefaultFormat
2203	&& !pFBInfo->fDisabled)
2204	{
2205	BYTE *pAddress = NULL;
2206	ULONG ulWidth = 0;
2207	ULONG ulHeight = 0;
2208	ULONG ulBitsPerPixel = 0;
2209	ULONG ulBytesPerLine = 0;
2210	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2211
2212	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2213	&ulWidth,
2214	&ulHeight,
2215	&ulBitsPerPixel,
2216	&ulBytesPerLine,
2217	&bitmapFormat);
2218	if (SUCCEEDED(hrc))
2219	{
2220	pu8Src = pFBInfo->pu8FramebufferVRAM;
2221	xSrc = x;
2222	ySrc = y;
2223	u32SrcWidth = pFBInfo->w;
2224	u32SrcHeight = pFBInfo->h;
2225	u32SrcLineSize = pFBInfo->u32LineSize;
2226	u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2227
2228	/* Default format is 32 bpp. */
2229	pu8Dst = pAddress;
2230	xDst = xSrc;
2231	yDst = ySrc;
2232	u32DstWidth = u32SrcWidth;
2233	u32DstHeight = u32SrcHeight;
2234	u32DstLineSize = u32DstWidth * 4;
2235	u32DstBitsPerPixel = 32;
2236
2237	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2238	width, height,
2239	pu8Src,
2240	xSrc, ySrc,
2241	u32SrcWidth, u32SrcHeight,
2242	u32SrcLineSize, u32SrcBitsPerPixel,
2243	pu8Dst,
2244	xDst, yDst,
2245	u32DstWidth, u32DstHeight,
2246	u32DstLineSize, u32DstBitsPerPixel);
2247	}
2248	}
2249	}
2250
2251	pDisplay->i_handleDisplayUpdate(aScreenId, x, y, width, height);
2252	}
2253	}
2254	else
2255	{
2256	vrc = VERR_INVALID_PARAMETER;
2257	}
2258
2259	if (RT_SUCCESS(vrc))
2260	pDisplay->mParent->i_consoleVRDPServer()->SendUpdateBitmap(aScreenId, x, y, width, height);
2261
2262	return vrc;
2263	}
2264
2265	HRESULT Display::drawToScreen(ULONG aScreenId, BYTE *aAddress, ULONG aX, ULONG aY, ULONG aWidth, ULONG aHeight)
2266	{
2267	/// @todo (r=dmik) this function may take too long to complete if the VM
2268	// is doing something like saving state right now. Which, in case if it
2269	// is called on the GUI thread, will make it unresponsive. We should
2270	// check the machine state here (by enclosing the check and VMRequCall
2271	// within the Console lock to make it atomic).
2272
2273	LogRelFlowFunc(("aAddress=%p, x=%d, y=%d, width=%d, height=%d\n",
2274	(void *)aAddress, aX, aY, aWidth, aHeight));
2275
2276	CheckComArgExpr(aWidth, aWidth != 0);
2277	CheckComArgExpr(aHeight, aHeight != 0);
2278
2279	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2280
2281	CHECK_CONSOLE_DRV(mpDrv);
2282
2283	Console::SafeVMPtr ptrVM(mParent);
2284	if (!ptrVM.isOk())
2285	return ptrVM.rc();
2286
2287	/* Release lock because the call scheduled on EMT may also try to take it. */
2288	alock.release();
2289
2290	/*
2291	* Again we're lazy and make the graphics device do all the
2292	* dirty conversion work.
2293	*/
2294	int vrc = ptrVM.vtable()->pfnVMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_drawToScreenEMT, 7,
2295	this, aScreenId, aAddress, aX, aY, aWidth, aHeight);
2296
2297	/*
2298	* If the function returns not supported, we'll have to do all the
2299	* work ourselves using the framebuffer.
2300	*/
2301	HRESULT hrc = S_OK;
2302	if (vrc == VERR_NOT_SUPPORTED \|\| vrc == VERR_NOT_IMPLEMENTED)
2303	{
2304	/** @todo implement generic fallback for screen blitting. */
2305	hrc = E_NOTIMPL;
2306	}
2307	else if (RT_FAILURE(vrc))
2308	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not draw to the screen (%Rrc)"), vrc);
2309	/// @todo
2310	// else
2311	// {
2312	// /* All ok. Redraw the screen. */
2313	// handleDisplayUpdate(x, y, width, height);
2314	// }
2315
2316	LogRelFlowFunc(("hrc=%Rhrc\n", hrc));
2317	return hrc;
2318	}
2319
2320	/** @todo r=bird: cannot quite see why this would be required to run on an
2321	* EMT any more. It's not an issue in the COM methods, but for the
2322	* VGA device interface it is an issue, see querySourceBitmap. */
2323	/static/ DECLCALLBACK(int) Display::i_InvalidateAndUpdateEMT(Display *pDisplay, unsigned uId, bool fUpdateAll)
2324	{
2325	LogRelFlowFunc(("uId=%d, fUpdateAll %d\n", uId, fUpdateAll));
2326
2327	unsigned uScreenId;
2328	for (uScreenId = (fUpdateAll ? 0 : uId); uScreenId < pDisplay->mcMonitors; uScreenId++)
2329	{
2330	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
2331
2332	if ( !pFBInfo->fVBVAEnabled
2333	&& uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2334	pDisplay->mpDrv->pUpPort->pfnUpdateDisplayAll(pDisplay->mpDrv->pUpPort, /* fFailOnResize = */ true);
2335	else
2336	{
2337	if (!pFBInfo->fDisabled)
2338	{
2339	/* Render complete VRAM screen to the framebuffer.
2340	* When framebuffer uses VRAM directly, just notify it to update.
2341	*/
2342	if (pFBInfo->fDefaultFormat && !pFBInfo->pSourceBitmap.isNull())
2343	{
2344	BYTE *pAddress = NULL;
2345	ULONG ulWidth = 0;
2346	ULONG ulHeight = 0;
2347	ULONG ulBitsPerPixel = 0;
2348	ULONG ulBytesPerLine = 0;
2349	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2350
2351	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2352	&ulWidth,
2353	&ulHeight,
2354	&ulBitsPerPixel,
2355	&ulBytesPerLine,
2356	&bitmapFormat);
2357	if (SUCCEEDED(hrc))
2358	{
2359	uint32_t width = pFBInfo->w;
2360	uint32_t height = pFBInfo->h;
2361
2362	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
2363	int32_t xSrc = 0;
2364	int32_t ySrc = 0;
2365	uint32_t u32SrcWidth = pFBInfo->w;
2366	uint32_t u32SrcHeight = pFBInfo->h;
2367	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
2368	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2369
2370	/* Default format is 32 bpp. */
2371	uint8_t *pu8Dst = pAddress;
2372	int32_t xDst = xSrc;
2373	int32_t yDst = ySrc;
2374	uint32_t u32DstWidth = u32SrcWidth;
2375	uint32_t u32DstHeight = u32SrcHeight;
2376	uint32_t u32DstLineSize = u32DstWidth * 4;
2377	uint32_t u32DstBitsPerPixel = 32;
2378
2379	/* if uWidth != pFBInfo->w and uHeight != pFBInfo->h
2380	* implies resize of Framebuffer is in progress and
2381	* copyrect should not be called.
2382	*/
2383	if (ulWidth == pFBInfo->w && ulHeight == pFBInfo->h)
2384	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2385	width, height,
2386	pu8Src,
2387	xSrc, ySrc,
2388	u32SrcWidth, u32SrcHeight,
2389	u32SrcLineSize, u32SrcBitsPerPixel,
2390	pu8Dst,
2391	xDst, yDst,
2392	u32DstWidth, u32DstHeight,
2393	u32DstLineSize, u32DstBitsPerPixel);
2394	}
2395	}
2396
2397	pDisplay->i_handleDisplayUpdate(uScreenId, 0, 0, pFBInfo->w, pFBInfo->h);
2398	}
2399	}
2400	if (!fUpdateAll)
2401	break;
2402	}
2403	LogRelFlowFunc(("done\n"));
2404	return VINF_SUCCESS;
2405	}
2406
2407	/**
2408	* Does a full invalidation of the VM display and instructs the VM
2409	* to update it immediately.
2410	*
2411	* @returns COM status code
2412	*/
2413
2414	HRESULT Display::invalidateAndUpdate()
2415	{
2416	LogRelFlowFunc(("\n"));
2417
2418	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2419
2420	CHECK_CONSOLE_DRV(mpDrv);
2421
2422	Console::SafeVMPtr ptrVM(mParent);
2423	HRESULT hrc = ptrVM.rc();
2424	if (SUCCEEDED(hrc))
2425	{
2426	LogRelFlowFunc(("Sending DPYUPDATE request\n"));
2427
2428	/* Have to release the lock when calling EMT. */
2429	alock.release();
2430
2431	int vrc = ptrVM.vtable()->pfnVMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2432	3, this, 0, true);
2433	alock.acquire();
2434
2435	if (RT_FAILURE(vrc))
2436	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not invalidate and update the screen (%Rrc)"), vrc);
2437	}
2438
2439	LogRelFlowFunc(("hrc=%Rhrc\n", hrc));
2440	return hrc;
2441	}
2442
2443	HRESULT Display::invalidateAndUpdateScreen(ULONG aScreenId)
2444	{
2445	LogRelFlowFunc(("\n"));
2446
2447	Console::SafeVMPtr ptrVM(mParent);
2448	HRESULT hrc = ptrVM.rc();
2449	if (SUCCEEDED(hrc))
2450	{
2451	int vrc = ptrVM.vtable()->pfnVMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2452	3, this, aScreenId, false);
2453	if (RT_FAILURE(vrc))
2454	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not invalidate and update the screen %d (%Rrc)"), aScreenId, vrc);
2455	}
2456
2457	LogRelFlowFunc(("hrc=%Rhrc\n", hrc));
2458	return hrc;
2459	}
2460
2461	HRESULT Display::completeVHWACommand(BYTE *aCommand)
2462	{
2463	#ifdef VBOX_WITH_VIDEOHWACCEL
2464	mpDrv->pVBVACallbacks->pfnVHWACommandCompleteAsync(mpDrv->pVBVACallbacks, (VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *)aCommand);
2465	return S_OK;
2466	#else
2467	RT_NOREF(aCommand);
2468	return E_NOTIMPL;
2469	#endif
2470	}
2471
2472	HRESULT Display::viewportChanged(ULONG aScreenId, ULONG aX, ULONG aY, ULONG aWidth, ULONG aHeight)
2473	{
2474	AssertMsgReturn(aScreenId < mcMonitors, ("aScreendId=%d mcMonitors=%d\n", aScreenId, mcMonitors), E_INVALIDARG);
2475
2476	/* The driver might not have been constructed yet */
2477	if (mpDrv && mpDrv->pUpPort->pfnSetViewport)
2478	mpDrv->pUpPort->pfnSetViewport(mpDrv->pUpPort, aScreenId, aX, aY, aWidth, aHeight);
2479
2480	return S_OK;
2481	}
2482
2483	HRESULT Display::querySourceBitmap(ULONG aScreenId,
2484	ComPtr<IDisplaySourceBitmap> &aDisplaySourceBitmap)
2485	{
2486	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2487
2488	Console::SafeVMPtr ptrVM(mParent);
2489	if (!ptrVM.isOk())
2490	return ptrVM.rc();
2491
2492	CHECK_CONSOLE_DRV(mpDrv);
2493
2494	bool fSetRenderVRAM = false;
2495	bool fInvalidate = false;
2496
2497	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2498
2499	if (aScreenId >= mcMonitors)
2500	return setError(E_INVALIDARG, tr("QuerySourceBitmap: Invalid screen %d (total %d)"), aScreenId, mcMonitors);
2501
2502	if (!mfSourceBitmapEnabled)
2503	{
2504	aDisplaySourceBitmap = NULL;
2505	return E_FAIL;
2506	}
2507
2508	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2509
2510	/* No source bitmap for a blank guest screen. */
2511	if (pFBInfo->flags & VBVA_SCREEN_F_BLANK)
2512	{
2513	aDisplaySourceBitmap = NULL;
2514	return E_FAIL;
2515	}
2516
2517	HRESULT hr = S_OK;
2518
2519	if (pFBInfo->pSourceBitmap.isNull())
2520	{
2521	/* Create a new object. */
2522	ComObjPtr<DisplaySourceBitmap> obj;
2523	hr = obj.createObject();
2524	if (SUCCEEDED(hr))
2525	hr = obj->init(this, aScreenId, pFBInfo);
2526
2527	if (SUCCEEDED(hr))
2528	{
2529	pFBInfo->pSourceBitmap = obj;
2530	pFBInfo->fDefaultFormat = !obj->i_usesVRAM();
2531
2532	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2533	{
2534	/* Start buffer updates. */
2535	BYTE *pAddress = NULL;
2536	ULONG ulWidth = 0;
2537	ULONG ulHeight = 0;
2538	ULONG ulBitsPerPixel = 0;
2539	ULONG ulBytesPerLine = 0;
2540	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2541
2542	pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2543	&ulWidth,
2544	&ulHeight,
2545	&ulBitsPerPixel,
2546	&ulBytesPerLine,
2547	&bitmapFormat);
2548
2549	mpDrv->IConnector.pbData = pAddress;
2550	mpDrv->IConnector.cbScanline = ulBytesPerLine;
2551	mpDrv->IConnector.cBits = ulBitsPerPixel;
2552	mpDrv->IConnector.cx = ulWidth;
2553	mpDrv->IConnector.cy = ulHeight;
2554
2555	fSetRenderVRAM = pFBInfo->fDefaultFormat;
2556	}
2557
2558	/* Make sure that the bitmap contains the latest image. */
2559	fInvalidate = pFBInfo->fDefaultFormat;
2560	}
2561	}
2562
2563	if (SUCCEEDED(hr))
2564	{
2565	pFBInfo->pSourceBitmap.queryInterfaceTo(aDisplaySourceBitmap.asOutParam());
2566	}
2567
2568	/* Leave the IDisplay lock because the VGA device must not be called under it. */
2569	alock.release();
2570
2571	if (SUCCEEDED(hr))
2572	{
2573	if (fSetRenderVRAM)
2574	mpDrv->pUpPort->pfnSetRenderVRAM(mpDrv->pUpPort, true);
2575
2576	if (fInvalidate)
2577	#if 1 /* bird: Cannot see why this needs to run on an EMT. It deadlocks now with timer callback moving to non-EMT worker threads. */
2578	Display::i_InvalidateAndUpdateEMT(this, aScreenId, false /fUpdateAll/);
2579	#else
2580	VMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2581	3, this, aScreenId, false);
2582	#endif
2583	}
2584
2585	LogRelFlowFunc(("%Rhrc\n", hr));
2586	return hr;
2587	}
2588
2589	HRESULT Display::getGuestScreenLayout(std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenLayout)
2590	{
2591	NOREF(aGuestScreenLayout);
2592	return E_NOTIMPL;
2593	}
2594
2595	HRESULT Display::setScreenLayout(ScreenLayoutMode_T aScreenLayoutMode,
2596	const std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenInfo)
2597	{
2598	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2599
2600	if (aGuestScreenInfo.size() != mcMonitors)
2601	return E_INVALIDARG;
2602
2603	CHECK_CONSOLE_DRV(mpDrv);
2604
2605	/*
2606	* It is up to the guest to decide whether the hint is
2607	* valid. Therefore don't do any VRAM sanity checks here.
2608	*/
2609
2610	/* Have to release the lock because the pfnRequestDisplayChange
2611	* will call EMT. */
2612	alock.release();
2613
2614	VMMDev *pVMMDev = mParent->i_getVMMDev();
2615	if (pVMMDev)
2616	{
2617	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
2618	if (pVMMDevPort)
2619	{
2620	uint32_t const cDisplays = (uint32_t)aGuestScreenInfo.size();
2621
2622	size_t const cbAlloc = cDisplays * sizeof(VMMDevDisplayDef);
2623	VMMDevDisplayDef paDisplayDefs = (VMMDevDisplayDef )RTMemAlloc(cbAlloc);
2624	if (paDisplayDefs)
2625	{
2626	for (uint32_t i = 0; i < cDisplays; ++i)
2627	{
2628	VMMDevDisplayDef *p = &paDisplayDefs[i];
2629	ComPtr<IGuestScreenInfo> pScreenInfo = aGuestScreenInfo[i];
2630
2631	ULONG screenId = 0;
2632	GuestMonitorStatus_T guestMonitorStatus = GuestMonitorStatus_Enabled;
2633	BOOL origin = FALSE;
2634	BOOL primary = FALSE;
2635	LONG originX = 0;
2636	LONG originY = 0;
2637	ULONG width = 0;
2638	ULONG height = 0;
2639	ULONG bitsPerPixel = 0;
2640
2641	pScreenInfo->COMGETTER(ScreenId) (&screenId);
2642	pScreenInfo->COMGETTER(GuestMonitorStatus)(&guestMonitorStatus);
2643	pScreenInfo->COMGETTER(Primary) (&primary);
2644	pScreenInfo->COMGETTER(Origin) (&origin);
2645	pScreenInfo->COMGETTER(OriginX) (&originX);
2646	pScreenInfo->COMGETTER(OriginY) (&originY);
2647	pScreenInfo->COMGETTER(Width) (&width);
2648	pScreenInfo->COMGETTER(Height) (&height);
2649	pScreenInfo->COMGETTER(BitsPerPixel)(&bitsPerPixel);
2650
2651	LogFlowFunc(("%d %d,%d %dx%d\n", screenId, originX, originY, width, height));
2652
2653	p->idDisplay = screenId;
2654	p->xOrigin = originX;
2655	p->yOrigin = originY;
2656	p->cx = width;
2657	p->cy = height;
2658	p->cBitsPerPixel = bitsPerPixel;
2659	p->fDisplayFlags = VMMDEV_DISPLAY_CX \| VMMDEV_DISPLAY_CY \| VMMDEV_DISPLAY_BPP;
2660	if (guestMonitorStatus == GuestMonitorStatus_Disabled)
2661	p->fDisplayFlags \|= VMMDEV_DISPLAY_DISABLED;
2662	if (origin)
2663	p->fDisplayFlags \|= VMMDEV_DISPLAY_ORIGIN;
2664	if (primary)
2665	p->fDisplayFlags \|= VMMDEV_DISPLAY_PRIMARY;
2666	}
2667
2668	bool const fForce = aScreenLayoutMode == ScreenLayoutMode_Reset
2669	\|\| aScreenLayoutMode == ScreenLayoutMode_Apply;
2670	bool const fNotify = aScreenLayoutMode != ScreenLayoutMode_Silent;
2671	pVMMDevPort->pfnRequestDisplayChange(pVMMDevPort, cDisplays, paDisplayDefs, fForce, fNotify);
2672
2673	RTMemFree(paDisplayDefs);
2674	}
2675	}
2676	}
2677	return S_OK;
2678	}
2679
2680	HRESULT Display::detachScreens(const std::vector<LONG> &aScreenIds)
2681	{
2682	NOREF(aScreenIds);
2683	return E_NOTIMPL;
2684	}
2685
2686	HRESULT Display::createGuestScreenInfo(ULONG aDisplay,
2687	GuestMonitorStatus_T aStatus,
2688	BOOL aPrimary,
2689	BOOL aChangeOrigin,
2690	LONG aOriginX,
2691	LONG aOriginY,
2692	ULONG aWidth,
2693	ULONG aHeight,
2694	ULONG aBitsPerPixel,
2695	ComPtr<IGuestScreenInfo> &aGuestScreenInfo)
2696	{
2697	/* Create a new object. */
2698	ComObjPtr<GuestScreenInfo> obj;
2699	HRESULT hr = obj.createObject();
2700	if (SUCCEEDED(hr))
2701	hr = obj->init(aDisplay, aStatus, aPrimary, aChangeOrigin, aOriginX, aOriginY,
2702	aWidth, aHeight, aBitsPerPixel);
2703	if (SUCCEEDED(hr))
2704	obj.queryInterfaceTo(aGuestScreenInfo.asOutParam());
2705
2706	return hr;
2707	}
2708
2709
2710	/*
2711	* GuestScreenInfo implementation.
2712	*/
2713	DEFINE_EMPTY_CTOR_DTOR(GuestScreenInfo)
2714
2715	HRESULT GuestScreenInfo::FinalConstruct()
2716	{
2717	return BaseFinalConstruct();
2718	}
2719
2720	void GuestScreenInfo::FinalRelease()
2721	{
2722	uninit();
2723
2724	BaseFinalRelease();
2725	}
2726
2727	HRESULT GuestScreenInfo::init(ULONG aDisplay,
2728	GuestMonitorStatus_T aGuestMonitorStatus,
2729	BOOL aPrimary,
2730	BOOL aChangeOrigin,
2731	LONG aOriginX,
2732	LONG aOriginY,
2733	ULONG aWidth,
2734	ULONG aHeight,
2735	ULONG aBitsPerPixel)
2736	{
2737	LogFlowThisFunc(("[%u]\n", aDisplay));
2738
2739	/* Enclose the state transition NotReady->InInit->Ready */
2740	AutoInitSpan autoInitSpan(this);
2741	AssertReturn(autoInitSpan.isOk(), E_FAIL);
2742
2743	mScreenId = aDisplay;
2744	mGuestMonitorStatus = aGuestMonitorStatus;
2745	mPrimary = aPrimary;
2746	mOrigin = aChangeOrigin;
2747	mOriginX = aOriginX;
2748	mOriginY = aOriginY;
2749	mWidth = aWidth;
2750	mHeight = aHeight;
2751	mBitsPerPixel = aBitsPerPixel;
2752
2753	/* Confirm a successful initialization */
2754	autoInitSpan.setSucceeded();
2755
2756	return S_OK;
2757	}
2758
2759	void GuestScreenInfo::uninit()
2760	{
2761	/* Enclose the state transition Ready->InUninit->NotReady */
2762	AutoUninitSpan autoUninitSpan(this);
2763	if (autoUninitSpan.uninitDone())
2764	return;
2765
2766	LogFlowThisFunc(("[%u]\n", mScreenId));
2767	}
2768
2769	HRESULT GuestScreenInfo::getScreenId(ULONG *aScreenId)
2770	{
2771	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2772	*aScreenId = mScreenId;
2773	return S_OK;
2774	}
2775
2776	HRESULT GuestScreenInfo::getGuestMonitorStatus(GuestMonitorStatus_T *aGuestMonitorStatus)
2777	{
2778	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2779	*aGuestMonitorStatus = mGuestMonitorStatus;
2780	return S_OK;
2781	}
2782
2783	HRESULT GuestScreenInfo::getPrimary(BOOL *aPrimary)
2784	{
2785	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2786	*aPrimary = mPrimary;
2787	return S_OK;
2788	}
2789
2790	HRESULT GuestScreenInfo::getOrigin(BOOL *aOrigin)
2791	{
2792	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2793	*aOrigin = mOrigin;
2794	return S_OK;
2795	}
2796
2797	HRESULT GuestScreenInfo::getOriginX(LONG *aOriginX)
2798	{
2799	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2800	*aOriginX = mOriginX;
2801	return S_OK;
2802	}
2803
2804	HRESULT GuestScreenInfo::getOriginY(LONG *aOriginY)
2805	{
2806	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2807	*aOriginY = mOriginY;
2808	return S_OK;
2809	}
2810
2811	HRESULT GuestScreenInfo::getWidth(ULONG *aWidth)
2812	{
2813	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2814	*aWidth = mWidth;
2815	return S_OK;
2816	}
2817
2818	HRESULT GuestScreenInfo::getHeight(ULONG *aHeight)
2819	{
2820	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2821	*aHeight = mHeight;
2822	return S_OK;
2823	}
2824
2825	HRESULT GuestScreenInfo::getBitsPerPixel(ULONG *aBitsPerPixel)
2826	{
2827	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2828	*aBitsPerPixel = mBitsPerPixel;
2829	return S_OK;
2830	}
2831
2832	HRESULT GuestScreenInfo::getExtendedInfo(com::Utf8Str &aExtendedInfo)
2833	{
2834	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2835	aExtendedInfo = com::Utf8Str();
2836	return S_OK;
2837	}
2838
2839	// wrapped IEventListener method
2840	HRESULT Display::handleEvent(const ComPtr<IEvent> &aEvent)
2841	{
2842	VBoxEventType_T aType = VBoxEventType_Invalid;
2843
2844	aEvent->COMGETTER(Type)(&aType);
2845	switch (aType)
2846	{
2847	case VBoxEventType_OnStateChanged:
2848	{
2849	ComPtr<IStateChangedEvent> scev = aEvent;
2850	Assert(scev);
2851	MachineState_T machineState;
2852	scev->COMGETTER(State)(&machineState);
2853	if ( machineState == MachineState_Running
2854	\|\| machineState == MachineState_Teleporting
2855	\|\| machineState == MachineState_LiveSnapshotting
2856	\|\| machineState == MachineState_DeletingSnapshotOnline
2857	)
2858	{
2859	LogRelFlowFunc(("Machine is running.\n"));
2860
2861	}
2862	break;
2863	}
2864	default:
2865	AssertFailed();
2866	}
2867
2868	return S_OK;
2869	}
2870
2871
2872	// private methods
2873	/////////////////////////////////////////////////////////////////////////////
2874
2875	/**
2876	* Handle display resize event issued by the VGA device for the primary screen.
2877	*
2878	* @see PDMIDISPLAYCONNECTOR::pfnResize
2879	*/
2880	DECLCALLBACK(int) Display::i_displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface,
2881	uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy)
2882	{
2883	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2884	Display *pThis = pDrv->pDisplay;
2885
2886	LogRelFlowFunc(("bpp %d, pvVRAM %p, cbLine %d, cx %d, cy %d\n",
2887	bpp, pvVRAM, cbLine, cx, cy));
2888
2889	bool f = ASMAtomicCmpXchgBool(&pThis->fVGAResizing, true, false);
2890	if (!f)
2891	{
2892	/* This is a result of recursive call when the source bitmap is being updated
2893	* during a VGA resize. Tell the VGA device to ignore the call.
2894	*
2895	* @todo It is a workaround, actually pfnUpdateDisplayAll must
2896	* fail on resize.
2897	*/
2898	LogRel(("displayResizeCallback: already processing\n"));
2899	return VINF_VGA_RESIZE_IN_PROGRESS;
2900	}
2901
2902	int vrc = pThis->i_handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, bpp, pvVRAM, cbLine, cx, cy, 0, 0, 0, true);
2903
2904	/* Restore the flag. */
2905	f = ASMAtomicCmpXchgBool(&pThis->fVGAResizing, false, true);
2906	AssertRelease(f);
2907
2908	return vrc;
2909	}
2910
2911	/**
2912	* Handle display update.
2913	*
2914	* @see PDMIDISPLAYCONNECTOR::pfnUpdateRect
2915	*/
2916	DECLCALLBACK(void) Display::i_displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
2917	uint32_t x, uint32_t y, uint32_t cx, uint32_t cy)
2918	{
2919	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2920
2921	#ifdef DEBUG_sunlover
2922	LogFlowFunc(("fVideoAccelEnabled = %d, %d,%d %dx%d\n",
2923	pDrv->pDisplay->mVideoAccelLegacy.fVideoAccelEnabled, x, y, cx, cy));
2924	#endif /* DEBUG_sunlover */
2925
2926	/* This call does update regardless of VBVA status.
2927	* But in VBVA mode this is called only as result of
2928	* pfnUpdateDisplayAll in the VGA device.
2929	*/
2930
2931	pDrv->pDisplay->i_handleDisplayUpdate(VBOX_VIDEO_PRIMARY_SCREEN, x, y, cx, cy);
2932	}
2933
2934	/**
2935	* Periodic display refresh callback.
2936	*
2937	* @see PDMIDISPLAYCONNECTOR::pfnRefresh
2938	* @thread EMT
2939	*/
2940	/static/ DECLCALLBACK(void) Display::i_displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface)
2941	{
2942	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2943
2944	#ifdef DEBUG_sunlover_2
2945	LogFlowFunc(("pDrv->pDisplay->mfVideoAccelEnabled = %d\n",
2946	pDrv->pDisplay->mfVideoAccelEnabled));
2947	#endif /* DEBUG_sunlover_2 */
2948
2949	Display *pDisplay = pDrv->pDisplay;
2950	unsigned uScreenId;
2951
2952	int vrc = pDisplay->i_videoAccelRefreshProcess(pDrv->pUpPort);
2953	if (vrc != VINF_TRY_AGAIN) /* Means 'do nothing' here. */
2954	{
2955	if (vrc == VWRN_INVALID_STATE)
2956	{
2957	/* No VBVA do a display update. */
2958	pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
2959	}
2960
2961	/* Inform the VRDP server that the current display update sequence is
2962	* completed. At this moment the framebuffer memory contains a definite
2963	* image, that is synchronized with the orders already sent to VRDP client.
2964	* The server can now process redraw requests from clients or initial
2965	* fullscreen updates for new clients.
2966	*/
2967	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2968	{
2969	Assert(pDisplay->mParent && pDisplay->mParent->i_consoleVRDPServer());
2970	pDisplay->mParent->i_consoleVRDPServer()->SendUpdate(uScreenId, NULL, 0);
2971	}
2972	}
2973
2974	#ifdef VBOX_WITH_RECORDING
2975	AssertPtr(pDisplay->mParent);
2976	RecordingContext *pCtx = pDisplay->mParent->i_recordingGetContext();
2977
2978	if ( pCtx
2979	&& pCtx->IsStarted()
2980	&& pCtx->IsFeatureEnabled(RecordingFeature_Video))
2981	{
2982	do
2983	{
2984	/* If the recording context has reached the configured recording
2985	* limit, disable recording. */
2986	if (pCtx->IsLimitReached())
2987	{
2988	pDisplay->mParent->i_onRecordingChange(FALSE /* Disable */);
2989	break;
2990	}
2991
2992	uint64_t tsNowMs = RTTimeProgramMilliTS();
2993	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2994	{
2995	if (!pDisplay->maRecordingEnabled[uScreenId])
2996	continue;
2997
2998	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
2999	if (!pFBInfo->fDisabled)
3000	{
3001	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
3002	int vrc2 = RTCritSectEnter(&pDisplay->mVideoRecLock);
3003	if (RT_SUCCESS(vrc2))
3004	{
3005	pSourceBitmap = pFBInfo->Recording.pSourceBitmap;
3006	RTCritSectLeave(&pDisplay->mVideoRecLock);
3007	}
3008
3009	if (!pSourceBitmap.isNull())
3010	{
3011	BYTE *pbAddress = NULL;
3012	ULONG ulWidth = 0;
3013	ULONG ulHeight = 0;
3014	ULONG ulBitsPerPixel = 0;
3015	ULONG ulBytesPerLine = 0;
3016	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
3017	HRESULT hrc = pSourceBitmap->QueryBitmapInfo(&pbAddress,
3018	&ulWidth,
3019	&ulHeight,
3020	&ulBitsPerPixel,
3021	&ulBytesPerLine,
3022	&bitmapFormat);
3023	if (SUCCEEDED(hrc) && pbAddress)
3024	vrc = pCtx->SendVideoFrame(uScreenId, 0, 0, BitmapFormat_BGR,
3025	ulBitsPerPixel, ulBytesPerLine, ulWidth, ulHeight,
3026	pbAddress, tsNowMs);
3027	else
3028	vrc = VERR_NOT_SUPPORTED;
3029
3030	pSourceBitmap.setNull();
3031	}
3032	else
3033	vrc = VERR_NOT_SUPPORTED;
3034
3035	if (vrc == VINF_TRY_AGAIN)
3036	break;
3037	}
3038	}
3039	} while (0);
3040	}
3041	#endif /* VBOX_WITH_RECORDING */
3042
3043	#ifdef DEBUG_sunlover_2
3044	LogFlowFunc(("leave\n"));
3045	#endif /* DEBUG_sunlover_2 */
3046	}
3047
3048	/**
3049	* Reset notification
3050	*
3051	* @see PDMIDISPLAYCONNECTOR::pfnReset
3052	*/
3053	DECLCALLBACK(void) Display::i_displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface)
3054	{
3055	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3056
3057	LogRelFlowFunc(("\n"));
3058
3059	/* Disable VBVA mode. */
3060	pDrv->pDisplay->VideoAccelEnableVGA(false, NULL);
3061	}
3062
3063	/**
3064	* LFBModeChange notification
3065	*
3066	* @see PDMIDISPLAYCONNECTOR::pfnLFBModeChange
3067	*/
3068	DECLCALLBACK(void) Display::i_displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled)
3069	{
3070	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3071
3072	LogRelFlowFunc(("fEnabled=%d\n", fEnabled));
3073
3074	NOREF(fEnabled);
3075
3076	/* Disable VBVA mode in any case. The guest driver reenables VBVA mode if necessary. */
3077	pDrv->pDisplay->VideoAccelEnableVGA(false, NULL);
3078	}
3079
3080	/**
3081	* Adapter information change notification.
3082	*
3083	* @see PDMIDISPLAYCONNECTOR::pfnProcessAdapterData
3084	*/
3085	DECLCALLBACK(void) Display::i_displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM,
3086	uint32_t u32VRAMSize)
3087	{
3088	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3089	pDrv->pDisplay->processAdapterData(pvVRAM, u32VRAMSize);
3090	}
3091
3092	/**
3093	* Display information change notification.
3094	*
3095	* @see PDMIDISPLAYCONNECTOR::pfnProcessDisplayData
3096	*/
3097	DECLCALLBACK(void) Display::i_displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
3098	void *pvVRAM, unsigned uScreenId)
3099	{
3100	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3101	pDrv->pDisplay->processDisplayData(pvVRAM, uScreenId);
3102	}
3103
3104	#ifdef VBOX_WITH_VIDEOHWACCEL
3105
3106	int Display::i_handleVHWACommandProcess(int enmCmd, bool fGuestCmd, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand)
3107	{
3108	/* bugref:9691 Disable the legacy VHWA interface.
3109	* Keep the host commands enabled because they are needed when an old saved state is loaded.
3110	*/
3111	if (fGuestCmd)
3112	return VERR_NOT_IMPLEMENTED;
3113
3114	unsigned id = (unsigned)pCommand->iDisplay;
3115	if (id >= mcMonitors)
3116	return VERR_INVALID_PARAMETER;
3117
3118	ComPtr<IFramebuffer> pFramebuffer;
3119	AutoReadLock arlock(this COMMA_LOCKVAL_SRC_POS);
3120	pFramebuffer = maFramebuffers[id].pFramebuffer;
3121	bool fVHWASupported = RT_BOOL(maFramebuffers[id].u32Caps & FramebufferCapabilities_VHWA);
3122	arlock.release();
3123
3124	if (pFramebuffer == NULL \|\| !fVHWASupported)
3125	return VERR_NOT_IMPLEMENTED; /* Implementation is not available. */
3126
3127	HRESULT hr = pFramebuffer->ProcessVHWACommand((BYTE *)pCommand, enmCmd, fGuestCmd);
3128	if (hr == S_FALSE)
3129	return VINF_SUCCESS;
3130	if (SUCCEEDED(hr))
3131	return VINF_CALLBACK_RETURN;
3132	if (hr == E_ACCESSDENIED)
3133	return VERR_INVALID_STATE; /* notify we can not handle request atm */
3134	if (hr == E_NOTIMPL)
3135	return VERR_NOT_IMPLEMENTED;
3136	return VERR_GENERAL_FAILURE;
3137	}
3138
3139	DECLCALLBACK(int) Display::i_displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, int enmCmd, bool fGuestCmd,
3140	VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand)
3141	{
3142	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3143
3144	return pDrv->pDisplay->i_handleVHWACommandProcess(enmCmd, fGuestCmd, pCommand);
3145	}
3146
3147	#endif /* VBOX_WITH_VIDEOHWACCEL */
3148
3149	int Display::i_handle3DNotifyProcess(VBOX3DNOTIFY *p3DNotify)
3150	{
3151	unsigned const id = (unsigned)p3DNotify->iDisplay;
3152	if (id >= mcMonitors)
3153	return VERR_INVALID_PARAMETER;
3154
3155	ComPtr<IFramebuffer> pFramebuffer;
3156	AutoReadLock arlock(this COMMA_LOCKVAL_SRC_POS);
3157	pFramebuffer = maFramebuffers[id].pFramebuffer;
3158	arlock.release();
3159
3160	int vrc = VINF_SUCCESS;
3161
3162	if (!pFramebuffer.isNull())
3163	{
3164	if (p3DNotify->enmNotification == VBOX3D_NOTIFY_TYPE_HW_OVERLAY_GET_ID)
3165	{
3166	LONG64 winId = 0;
3167	HRESULT hrc = pFramebuffer->COMGETTER(WinId)(&winId);
3168	if (SUCCEEDED(hrc))
3169	{
3170	(uint64_t )&p3DNotify->au8Data[0] = winId;
3171	}
3172	else
3173	vrc = VERR_NOT_SUPPORTED;
3174	}
3175	else
3176	{
3177	com::SafeArray<BYTE> data;
3178	data.initFrom((BYTE *)&p3DNotify->au8Data[0], p3DNotify->cbData);
3179
3180	HRESULT hrc = pFramebuffer->Notify3DEvent((ULONG)p3DNotify->enmNotification, ComSafeArrayAsInParam(data));
3181	if (FAILED(hrc))
3182	vrc = VERR_NOT_SUPPORTED;
3183	}
3184	}
3185	else
3186	vrc = VERR_NOT_IMPLEMENTED;
3187
3188	return vrc;
3189	}
3190
3191	DECLCALLBACK(int) Display::i_display3DNotifyProcess(PPDMIDISPLAYCONNECTOR pInterface,
3192	VBOX3DNOTIFY *p3DNotify)
3193	{
3194	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3195	return pDrv->pDisplay->i_handle3DNotifyProcess(p3DNotify);
3196	}
3197
3198	HRESULT Display::notifyScaleFactorChange(ULONG aScreenId, ULONG aScaleFactorWMultiplied, ULONG aScaleFactorHMultiplied)
3199	{
3200	RT_NOREF(aScreenId, aScaleFactorWMultiplied, aScaleFactorHMultiplied);
3201	# if 0 /** @todo Thank you so very much from anyone using VMSVGA3d! */
3202	AssertMsgFailed(("Attempt to specify OpenGL content scale factor while 3D acceleration is disabled in VM config. Ignored.\n"));
3203	# else
3204	/* Need an interface like this here (and the #ifdefs needs adjusting):
3205	PPDMIDISPLAYPORT pUpPort = mpDrv ? mpDrv->pUpPort : NULL;
3206	if (pUpPort && pUpPort->pfnSetScaleFactor)
3207	pUpPort->pfnSetScaleFactor(pUpPort, aScreeId, aScaleFactorWMultiplied, aScaleFactorHMultiplied); */
3208	# endif
3209	return S_OK;
3210	}
3211
3212	HRESULT Display::notifyHiDPIOutputPolicyChange(BOOL fUnscaledHiDPI)
3213	{
3214	RT_NOREF(fUnscaledHiDPI);
3215
3216	/* Need an interface like this here (and the #ifdefs needs adjusting):
3217	PPDMIDISPLAYPORT pUpPort = mpDrv ? mpDrv->pUpPort : NULL;
3218	if (pUpPort && pUpPort->pfnSetScaleFactor)
3219	pUpPort->pfnSetScaleFactor(pUpPort, aScreeId, aScaleFactorWMultiplied, aScaleFactorHMultiplied); */
3220
3221	return S_OK;
3222	}
3223
3224	#ifdef VBOX_WITH_HGSMI
3225	/**
3226	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVAEnable}
3227	*/
3228	DECLCALLBACK(int) Display::i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
3229	VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pHostFlags)
3230	{
3231	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
3232
3233	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3234	Display *pThis = pDrv->pDisplay;
3235	AssertReturn(uScreenId < pThis->mcMonitors, VERR_INVALID_PARAMETER);
3236
3237	if (pThis->maFramebuffers[uScreenId].fVBVAEnabled)
3238	{
3239	LogRel(("Enabling different vbva mode\n"));
3240	#ifdef DEBUG_misha
3241	AssertMsgFailed(("enabling different vbva mode\n"));
3242	#endif
3243	return VERR_INVALID_STATE;
3244	}
3245
3246	pThis->maFramebuffers[uScreenId].fVBVAEnabled = true;
3247	pThis->maFramebuffers[uScreenId].pVBVAHostFlags = pHostFlags;
3248	pThis->maFramebuffers[uScreenId].fVBVAForceResize = true;
3249
3250	vbvaSetMemoryFlagsHGSMI(uScreenId, pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, &pThis->maFramebuffers[uScreenId]);
3251
3252	return VINF_SUCCESS;
3253	}
3254
3255	/**
3256	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVADisable}
3257	*/
3258	DECLCALLBACK(void) Display::i_displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3259	{
3260	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
3261
3262	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3263	Display *pThis = pDrv->pDisplay;
3264	AssertReturnVoid(uScreenId < pThis->mcMonitors);
3265
3266	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3267
3268	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3269	{
3270	/* Make sure that the primary screen is visible now.
3271	* The guest can't use VBVA anymore, so only only the VGA device output works.
3272	*/
3273	pFBInfo->flags = 0;
3274	if (pFBInfo->fDisabled)
3275	{
3276	pFBInfo->fDisabled = false;
3277	::FireGuestMonitorChangedEvent(pThis->mParent->i_getEventSource(), GuestMonitorChangedEventType_Enabled, uScreenId,
3278	pFBInfo->xOrigin, pFBInfo->yOrigin, pFBInfo->w, pFBInfo->h);
3279	}
3280	}
3281
3282	pFBInfo->fVBVAEnabled = false;
3283	pFBInfo->fVBVAForceResize = false;
3284
3285	vbvaSetMemoryFlagsHGSMI(uScreenId, 0, false, pFBInfo);
3286
3287	pFBInfo->pVBVAHostFlags = NULL;
3288
3289	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3290	{
3291	/* Force full screen update, because VGA device must take control, do resize, etc. */
3292	pThis->mpDrv->pUpPort->pfnUpdateDisplayAll(pThis->mpDrv->pUpPort, /* fFailOnResize = */ false);
3293	}
3294	}
3295
3296	DECLCALLBACK(void) Display::i_displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3297	{
3298	RT_NOREF(uScreenId);
3299	LogFlowFunc(("uScreenId %d\n", uScreenId));
3300
3301	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3302	Display *pThis = pDrv->pDisplay;
3303
3304	if (ASMAtomicReadU32(&pThis->mu32UpdateVBVAFlags) > 0)
3305	{
3306	vbvaSetMemoryFlagsAllHGSMI(pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, pThis->maFramebuffers,
3307	pThis->mcMonitors);
3308	ASMAtomicDecU32(&pThis->mu32UpdateVBVAFlags);
3309	}
3310	}
3311
3312	/**
3313	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVAUpdateProcess}
3314	*/
3315	DECLCALLBACK(void) Display::i_displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
3316	struct VBVACMDHDR const RT_UNTRUSTED_VOLATILE_GUEST *pCmd, size_t cbCmd)
3317	{
3318	LogFlowFunc(("uScreenId %d pCmd %p cbCmd %d, @%d,%d %dx%d\n", uScreenId, pCmd, cbCmd, pCmd->x, pCmd->y, pCmd->w, pCmd->h));
3319	VBVACMDHDR hdrSaved;
3320	RT_COPY_VOLATILE(hdrSaved, *pCmd);
3321	RT_UNTRUSTED_NONVOLATILE_COPY_FENCE();
3322
3323	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3324	Display *pThis = pDrv->pDisplay;
3325	DISPLAYFBINFO *pFBInfo;
3326	AssertReturnVoid(uScreenId < pThis->mcMonitors);
3327
3328	pFBInfo = &pThis->maFramebuffers[uScreenId];
3329
3330	if (pFBInfo->fDefaultFormat)
3331	{
3332	/* Make sure that framebuffer contains the same image as the guest VRAM. */
3333	if ( uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
3334	&& !pFBInfo->fDisabled)
3335	{
3336	pDrv->pUpPort->pfnUpdateDisplayRect(pDrv->pUpPort, hdrSaved.x, hdrSaved.y, hdrSaved.w, hdrSaved.h);
3337	}
3338	else if ( !pFBInfo->pSourceBitmap.isNull()
3339	&& !pFBInfo->fDisabled)
3340	{
3341	/* Render VRAM content to the framebuffer. */
3342	BYTE *pAddress = NULL;
3343	ULONG ulWidth = 0;
3344	ULONG ulHeight = 0;
3345	ULONG ulBitsPerPixel = 0;
3346	ULONG ulBytesPerLine = 0;
3347	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
3348
3349	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
3350	&ulWidth,
3351	&ulHeight,
3352	&ulBitsPerPixel,
3353	&ulBytesPerLine,
3354	&bitmapFormat);
3355	if (SUCCEEDED(hrc))
3356	{
3357	uint32_t width = hdrSaved.w;
3358	uint32_t height = hdrSaved.h;
3359
3360	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
3361	int32_t xSrc = hdrSaved.x - pFBInfo->xOrigin;
3362	int32_t ySrc = hdrSaved.y - pFBInfo->yOrigin;
3363	uint32_t u32SrcWidth = pFBInfo->w;
3364	uint32_t u32SrcHeight = pFBInfo->h;
3365	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
3366	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
3367
3368	uint8_t *pu8Dst = pAddress;
3369	int32_t xDst = xSrc;
3370	int32_t yDst = ySrc;
3371	uint32_t u32DstWidth = u32SrcWidth;
3372	uint32_t u32DstHeight = u32SrcHeight;
3373	uint32_t u32DstLineSize = u32DstWidth * 4;
3374	uint32_t u32DstBitsPerPixel = 32;
3375
3376	pDrv->pUpPort->pfnCopyRect(pDrv->pUpPort,
3377	width, height,
3378	pu8Src,
3379	xSrc, ySrc,
3380	u32SrcWidth, u32SrcHeight,
3381	u32SrcLineSize, u32SrcBitsPerPixel,
3382	pu8Dst,
3383	xDst, yDst,
3384	u32DstWidth, u32DstHeight,
3385	u32DstLineSize, u32DstBitsPerPixel);
3386	}
3387	}
3388	}
3389
3390	/*
3391	* Here is your classic 'temporary' solution.
3392	*/
3393	/** @todo New SendUpdate entry which can get a separate cmd header or coords. */
3394	VBVACMDHDR pHdrUnconst = (VBVACMDHDR )pCmd;
3395
3396	pHdrUnconst->x -= (int16_t)pFBInfo->xOrigin;
3397	pHdrUnconst->y -= (int16_t)pFBInfo->yOrigin;
3398
3399	pThis->mParent->i_consoleVRDPServer()->SendUpdate(uScreenId, pHdrUnconst, (uint32_t)cbCmd);
3400
3401	*pHdrUnconst = hdrSaved;
3402	}
3403
3404	DECLCALLBACK(void) Display::i_displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y,
3405	uint32_t cx, uint32_t cy)
3406	{
3407	LogFlowFunc(("uScreenId %d %d,%d %dx%d\n", uScreenId, x, y, cx, cy));
3408
3409	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3410	Display *pThis = pDrv->pDisplay;
3411	DISPLAYFBINFO *pFBInfo;
3412	AssertReturnVoid(uScreenId < pThis->mcMonitors);
3413
3414	pFBInfo = &pThis->maFramebuffers[uScreenId];
3415
3416	/** @todo handleFramebufferUpdate (uScreenId,
3417	* x - pThis->maFramebuffers[uScreenId].xOrigin,
3418	* y - pThis->maFramebuffers[uScreenId].yOrigin,
3419	* cx, cy);
3420	*/
3421	pThis->i_handleDisplayUpdate(uScreenId, x - pFBInfo->xOrigin, y - pFBInfo->yOrigin, cx, cy);
3422	}
3423
3424	#ifdef DEBUG_sunlover
3425	static void logVBVAResize(PCVBVAINFOVIEW pView, PCVBVAINFOSCREEN pScreen, const DISPLAYFBINFO *pFBInfo)
3426	{
3427	LogRel(("displayVBVAResize: [%d] %s\n"
3428	" pView->u32ViewIndex %d\n"
3429	" pView->u32ViewOffset 0x%08X\n"
3430	" pView->u32ViewSize 0x%08X\n"
3431	" pView->u32MaxScreenSize 0x%08X\n"
3432	" pScreen->i32OriginX %d\n"
3433	" pScreen->i32OriginY %d\n"
3434	" pScreen->u32StartOffset 0x%08X\n"
3435	" pScreen->u32LineSize 0x%08X\n"
3436	" pScreen->u32Width %d\n"
3437	" pScreen->u32Height %d\n"
3438	" pScreen->u16BitsPerPixel %d\n"
3439	" pScreen->u16Flags 0x%04X\n"
3440	" pFBInfo->u32Offset 0x%08X\n"
3441	" pFBInfo->u32MaxFramebufferSize 0x%08X\n"
3442	" pFBInfo->u32InformationSize 0x%08X\n"
3443	" pFBInfo->fDisabled %d\n"
3444	" xOrigin, yOrigin, w, h: %d,%d %dx%d\n"
3445	" pFBInfo->u16BitsPerPixel %d\n"
3446	" pFBInfo->pu8FramebufferVRAM %p\n"
3447	" pFBInfo->u32LineSize 0x%08X\n"
3448	" pFBInfo->flags 0x%04X\n"
3449	" pFBInfo->pHostEvents %p\n"
3450	" pFBInfo->fDefaultFormat %d\n"
3451	" pFBInfo->fVBVAEnabled %d\n"
3452	" pFBInfo->fVBVAForceResize %d\n"
3453	" pFBInfo->pVBVAHostFlags %p\n"
3454	"",
3455	pScreen->u32ViewIndex,
3456	(pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)? "DISABLED": "ENABLED",
3457	pView->u32ViewIndex,
3458	pView->u32ViewOffset,
3459	pView->u32ViewSize,
3460	pView->u32MaxScreenSize,
3461	pScreen->i32OriginX,
3462	pScreen->i32OriginY,
3463	pScreen->u32StartOffset,
3464	pScreen->u32LineSize,
3465	pScreen->u32Width,
3466	pScreen->u32Height,
3467	pScreen->u16BitsPerPixel,
3468	pScreen->u16Flags,
3469	pFBInfo->u32Offset,
3470	pFBInfo->u32MaxFramebufferSize,
3471	pFBInfo->u32InformationSize,
3472	pFBInfo->fDisabled,
3473	pFBInfo->xOrigin,
3474	pFBInfo->yOrigin,
3475	pFBInfo->w,
3476	pFBInfo->h,
3477	pFBInfo->u16BitsPerPixel,
3478	pFBInfo->pu8FramebufferVRAM,
3479	pFBInfo->u32LineSize,
3480	pFBInfo->flags,
3481	pFBInfo->pHostEvents,
3482	pFBInfo->fDefaultFormat,
3483	pFBInfo->fVBVAEnabled,
3484	pFBInfo->fVBVAForceResize,
3485	pFBInfo->pVBVAHostFlags
3486	));
3487	}
3488	#endif /* DEBUG_sunlover */
3489
3490	DECLCALLBACK(int) Display::i_displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, PCVBVAINFOVIEW pView,
3491	PCVBVAINFOSCREEN pScreen, void *pvVRAM, bool fResetInputMapping)
3492	{
3493	LogRelFlowFunc(("pScreen %p, pvVRAM %p\n", pScreen, pvVRAM));
3494
3495	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3496	Display *pThis = pDrv->pDisplay;
3497
3498	return pThis->processVBVAResize(pView, pScreen, pvVRAM, fResetInputMapping);
3499	}
3500
3501	int Display::processVBVAResize(PCVBVAINFOVIEW pView, PCVBVAINFOSCREEN pScreen, void *pvVRAM, bool fResetInputMapping)
3502	{
3503	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3504
3505	RT_NOREF(pView);
3506
3507	DISPLAYFBINFO *pFBInfo = &maFramebuffers[pScreen->u32ViewIndex];
3508
3509	#ifdef DEBUG_sunlover
3510	logVBVAResize(pView, pScreen, pFBInfo);
3511	#endif
3512
3513	if (pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)
3514	{
3515	/* Ask the framebuffer to resize using a default format. The framebuffer will be black.
3516	* So if the frontend does not support GuestMonitorChangedEventType_Disabled event,
3517	* the VM window will be black. */
3518	uint32_t u32Width = pFBInfo->w ? pFBInfo->w : 640;
3519	uint32_t u32Height = pFBInfo->h ? pFBInfo->h : 480;
3520	int32_t xOrigin = pFBInfo->xOrigin;
3521	int32_t yOrigin = pFBInfo->yOrigin;
3522
3523	alock.release();
3524
3525	i_handleDisplayResize(pScreen->u32ViewIndex, 0, (uint8_t *)NULL, 0,
3526	u32Width, u32Height, pScreen->u16Flags, xOrigin, yOrigin, false);
3527
3528	return VINF_SUCCESS;
3529	}
3530
3531	VBVAINFOSCREEN screenInfo;
3532	RT_ZERO(screenInfo);
3533
3534	if (pScreen->u16Flags & VBVA_SCREEN_F_BLANK2)
3535	{
3536	/* Init a local VBVAINFOSCREEN structure, which will be used instead of
3537	* the original pScreen. Set VBVA_SCREEN_F_BLANK, which will force
3538	* the code below to choose the "blanking" branches.
3539	*/
3540	screenInfo.u32ViewIndex = pScreen->u32ViewIndex;
3541	screenInfo.i32OriginX = pFBInfo->xOrigin;
3542	screenInfo.i32OriginY = pFBInfo->yOrigin;
3543	screenInfo.u32StartOffset = 0; /* Irrelevant */
3544	screenInfo.u32LineSize = pFBInfo->u32LineSize;
3545	screenInfo.u32Width = pFBInfo->w;
3546	screenInfo.u32Height = pFBInfo->h;
3547	screenInfo.u16BitsPerPixel = pFBInfo->u16BitsPerPixel;
3548	screenInfo.u16Flags = pScreen->u16Flags \| VBVA_SCREEN_F_BLANK;
3549
3550	pScreen = &screenInfo;
3551	}
3552
3553	if (fResetInputMapping)
3554	{
3555	/// @todo Rename to m* and verify whether some kind of lock is required.
3556	xInputMappingOrigin = 0;
3557	yInputMappingOrigin = 0;
3558	cxInputMapping = 0;
3559	cyInputMapping = 0;
3560	}
3561
3562	alock.release();
3563
3564	return i_handleDisplayResize(pScreen->u32ViewIndex, pScreen->u16BitsPerPixel,
3565	(uint8_t *)pvVRAM + pScreen->u32StartOffset,
3566	pScreen->u32LineSize, pScreen->u32Width, pScreen->u32Height, pScreen->u16Flags,
3567	pScreen->i32OriginX, pScreen->i32OriginY, false);
3568	}
3569
3570	DECLCALLBACK(int) Display::i_displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
3571	uint32_t xHot, uint32_t yHot,
3572	uint32_t cx, uint32_t cy,
3573	const void *pvShape)
3574	{
3575	LogFlowFunc(("\n"));
3576	LogRel2(("%s: fVisible=%RTbool\n", __PRETTY_FUNCTION__, fVisible));
3577
3578	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3579
3580	uint32_t cbShape = 0;
3581	if (pvShape)
3582	{
3583	cbShape = (cx + 7) / 8 * cy; /* size of the AND mask */
3584	cbShape = ((cbShape + 3) & ~3) + cx * 4 * cy; /* + gap + size of the XOR mask */
3585	}
3586
3587	/* Tell the console about it */
3588	pDrv->pDisplay->mParent->i_onMousePointerShapeChange(fVisible, fAlpha,
3589	xHot, yHot, cx, cy, (uint8_t *)pvShape, cbShape);
3590
3591	return VINF_SUCCESS;
3592	}
3593
3594	DECLCALLBACK(void) Display::i_displayVBVAGuestCapabilityUpdate(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fCapabilities)
3595	{
3596	LogFlowFunc(("\n"));
3597
3598	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3599	Display *pThis = pDrv->pDisplay;
3600
3601	pThis->i_handleUpdateGuestVBVACapabilities(fCapabilities);
3602	}
3603
3604	DECLCALLBACK(void) Display::i_displayVBVAInputMappingUpdate(PPDMIDISPLAYCONNECTOR pInterface, int32_t xOrigin, int32_t yOrigin,
3605	uint32_t cx, uint32_t cy)
3606	{
3607	LogFlowFunc(("\n"));
3608
3609	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3610	Display *pThis = pDrv->pDisplay;
3611
3612	pThis->i_handleUpdateVBVAInputMapping(xOrigin, yOrigin, cx, cy);
3613	}
3614
3615	DECLCALLBACK(void) Display::i_displayVBVAReportCursorPosition(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fFlags, uint32_t aScreenId, uint32_t x, uint32_t y)
3616	{
3617	LogFlowFunc(("\n"));
3618	LogRel2(("%s: fFlags=%RU32, aScreenId=%RU32, x=%RU32, y=%RU32\n",
3619	__PRETTY_FUNCTION__, fFlags, aScreenId, x, y));
3620
3621	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3622	Display *pThis = pDrv->pDisplay;
3623
3624	if (fFlags & VBVA_CURSOR_SCREEN_RELATIVE)
3625	{
3626	AssertReturnVoid(aScreenId < pThis->mcMonitors);
3627
3628	x += pThis->maFramebuffers[aScreenId].xOrigin;
3629	y += pThis->maFramebuffers[aScreenId].yOrigin;
3630	}
3631	::FireCursorPositionChangedEvent(pThis->mParent->i_getEventSource(), RT_BOOL(fFlags & VBVA_CURSOR_VALID_DATA), x, y);
3632	}
3633
3634	#endif /* VBOX_WITH_HGSMI */
3635
3636	/**
3637	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
3638	*/
3639	DECLCALLBACK(void ) Display::i_drvQueryInterface(PPDMIBASE pInterface, const char pszIID)
3640	{
3641	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
3642	PDRVMAINDISPLAY pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3643	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
3644	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIDISPLAYCONNECTOR, &pDrv->IConnector);
3645	return NULL;
3646	}
3647
3648
3649	/**
3650	* @interface_method_impl{PDMDRVREG,pfnPowerOff,
3651	* Tries to ensure no client calls gets to HGCM or the VGA device from here on.}
3652	*/
3653	DECLCALLBACK(void) Display::i_drvPowerOff(PPDMDRVINS pDrvIns)
3654	{
3655	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3656	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3657
3658	/*
3659	* Do much of the work that i_drvDestruct does.
3660	*/
3661	if (pThis->pUpPort)
3662	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3663
3664	pThis->IConnector.pbData = NULL;
3665	pThis->IConnector.cbScanline = 0;
3666	pThis->IConnector.cBits = 32;
3667	pThis->IConnector.cx = 0;
3668	pThis->IConnector.cy = 0;
3669
3670	if (pThis->pDisplay)
3671	{
3672	AutoWriteLock displayLock(pThis->pDisplay COMMA_LOCKVAL_SRC_POS);
3673	#ifdef VBOX_WITH_RECORDING
3674	pThis->pDisplay->mParent->i_recordingStop();
3675	#endif
3676	#if defined(VBOX_WITH_VIDEOHWACCEL)
3677	pThis->pVBVACallbacks = NULL;
3678	#endif
3679	}
3680	}
3681
3682
3683	/**
3684	* Destruct a display driver instance.
3685	*
3686	* @returns VBox status code.
3687	* @param pDrvIns The driver instance data.
3688	*/
3689	DECLCALLBACK(void) Display::i_drvDestruct(PPDMDRVINS pDrvIns)
3690	{
3691	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
3692	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3693	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3694
3695	/*
3696	* We repeat much of what i_drvPowerOff does in case it wasn't called.
3697	* In addition we sever the connection between us and the display.
3698	*/
3699	if (pThis->pUpPort)
3700	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3701
3702	pThis->IConnector.pbData = NULL;
3703	pThis->IConnector.cbScanline = 0;
3704	pThis->IConnector.cBits = 32;
3705	pThis->IConnector.cx = 0;
3706	pThis->IConnector.cy = 0;
3707
3708	if (pThis->pDisplay)
3709	{
3710	AutoWriteLock displayLock(pThis->pDisplay COMMA_LOCKVAL_SRC_POS);
3711	#ifdef VBOX_WITH_RECORDING
3712	pThis->pDisplay->mParent->i_recordingStop();
3713	#endif
3714	#if defined(VBOX_WITH_VIDEOHWACCEL)
3715	pThis->pVBVACallbacks = NULL;
3716	#endif
3717
3718	pThis->pDisplay->mpDrv = NULL;
3719	pThis->pDisplay = NULL;
3720	}
3721	#if defined(VBOX_WITH_VIDEOHWACCEL)
3722	pThis->pVBVACallbacks = NULL;
3723	#endif
3724	}
3725
3726
3727	/**
3728	* Construct a display driver instance.
3729	*
3730	* @copydoc FNPDMDRVCONSTRUCT
3731	*/
3732	DECLCALLBACK(int) Display::i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
3733	{
3734	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
3735	RT_NOREF(fFlags, pCfg);
3736	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3737	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3738
3739	/*
3740	* Validate configuration.
3741	*/
3742	PDMDRV_VALIDATE_CONFIG_RETURN(pDrvIns, "", "");
3743	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
3744	("Configuration error: Not possible to attach anything to this driver!\n"),
3745	VERR_PDM_DRVINS_NO_ATTACH);
3746
3747	/*
3748	* Init Interfaces.
3749	*/
3750	pDrvIns->IBase.pfnQueryInterface = Display::i_drvQueryInterface;
3751
3752	pThis->IConnector.pfnResize = Display::i_displayResizeCallback;
3753	pThis->IConnector.pfnUpdateRect = Display::i_displayUpdateCallback;
3754	pThis->IConnector.pfnRefresh = Display::i_displayRefreshCallback;
3755	pThis->IConnector.pfnReset = Display::i_displayResetCallback;
3756	pThis->IConnector.pfnLFBModeChange = Display::i_displayLFBModeChangeCallback;
3757	pThis->IConnector.pfnProcessAdapterData = Display::i_displayProcessAdapterDataCallback;
3758	pThis->IConnector.pfnProcessDisplayData = Display::i_displayProcessDisplayDataCallback;
3759	#ifdef VBOX_WITH_VIDEOHWACCEL
3760	pThis->IConnector.pfnVHWACommandProcess = Display::i_displayVHWACommandProcess;
3761	#endif
3762	#ifdef VBOX_WITH_HGSMI
3763	pThis->IConnector.pfnVBVAEnable = Display::i_displayVBVAEnable;
3764	pThis->IConnector.pfnVBVADisable = Display::i_displayVBVADisable;
3765	pThis->IConnector.pfnVBVAUpdateBegin = Display::i_displayVBVAUpdateBegin;
3766	pThis->IConnector.pfnVBVAUpdateProcess = Display::i_displayVBVAUpdateProcess;
3767	pThis->IConnector.pfnVBVAUpdateEnd = Display::i_displayVBVAUpdateEnd;
3768	pThis->IConnector.pfnVBVAResize = Display::i_displayVBVAResize;
3769	pThis->IConnector.pfnVBVAMousePointerShape = Display::i_displayVBVAMousePointerShape;
3770	pThis->IConnector.pfnVBVAGuestCapabilityUpdate = Display::i_displayVBVAGuestCapabilityUpdate;
3771	pThis->IConnector.pfnVBVAInputMappingUpdate = Display::i_displayVBVAInputMappingUpdate;
3772	pThis->IConnector.pfnVBVAReportCursorPosition = Display::i_displayVBVAReportCursorPosition;
3773	#endif
3774	pThis->IConnector.pfn3DNotifyProcess = Display::i_display3DNotifyProcess;
3775
3776	/*
3777	* Get the IDisplayPort interface of the above driver/device.
3778	*/
3779	pThis->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYPORT);
3780	if (!pThis->pUpPort)
3781	{
3782	AssertMsgFailed(("Configuration error: No display port interface above!\n"));
3783	return VERR_PDM_MISSING_INTERFACE_ABOVE;
3784	}
3785	#if defined(VBOX_WITH_VIDEOHWACCEL)
3786	pThis->pVBVACallbacks = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYVBVACALLBACKS);
3787	if (!pThis->pVBVACallbacks)
3788	{
3789	AssertMsgFailed(("Configuration error: No VBVA callback interface above!\n"));
3790	return VERR_PDM_MISSING_INTERFACE_ABOVE;
3791	}
3792	#endif
3793	/*
3794	* Get the Display object pointer and update the mpDrv member.
3795	*/
3796	com::Guid uuid(COM_IIDOF(IDisplay));
3797	IDisplay pIDisplay = (IDisplay )PDMDrvHlpQueryGenericUserObject(pDrvIns, uuid.raw());
3798	if (!pIDisplay)
3799	{
3800	AssertMsgFailed(("Configuration error: No/bad Keyboard object!\n"));
3801	return VERR_NOT_FOUND;
3802	}
3803	pThis->pDisplay = static_cast<Display *>(pIDisplay);
3804	pThis->pDisplay->mpDrv = pThis;
3805
3806	/* Disable VRAM to a buffer copy initially. */
3807	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3808	pThis->IConnector.cBits = 32; /* DevVGA does nothing otherwise. */
3809
3810	/*
3811	* Start periodic screen refreshes
3812	*/
3813	pThis->pUpPort->pfnSetRefreshRate(pThis->pUpPort, 20);
3814
3815	return VINF_SUCCESS;
3816	}
3817
3818
3819	/**
3820	* Display driver registration record.
3821	*/
3822	const PDMDRVREG Display::DrvReg =
3823	{
3824	/* u32Version */
3825	PDM_DRVREG_VERSION,
3826	/* szName */
3827	"MainDisplay",
3828	/* szRCMod */
3829	"",
3830	/* szR0Mod */
3831	"",
3832	/* pszDescription */
3833	"Main display driver (Main as in the API).",
3834	/* fFlags */
3835	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
3836	/* fClass. */
3837	PDM_DRVREG_CLASS_DISPLAY,
3838	/* cMaxInstances */
3839	~0U,
3840	/* cbInstance */
3841	sizeof(DRVMAINDISPLAY),
3842	/* pfnConstruct */
3843	Display::i_drvConstruct,
3844	/* pfnDestruct */
3845	Display::i_drvDestruct,
3846	/* pfnRelocate */
3847	NULL,
3848	/* pfnIOCtl */
3849	NULL,
3850	/* pfnPowerOn */
3851	NULL,
3852	/* pfnReset */
3853	NULL,
3854	/* pfnSuspend */
3855	NULL,
3856	/* pfnResume */
3857	NULL,
3858	/* pfnAttach */
3859	NULL,
3860	/* pfnDetach */
3861	NULL,
3862	/* pfnPowerOff */
3863	Display::i_drvPowerOff,
3864	/* pfnSoftReset */
3865	NULL,
3866	/* u32EndVersion */
3867	PDM_DRVREG_VERSION
3868	};
3869
3870	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/src-client/DisplayImpl.cpp@ 94967

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