DisplayImpl.cpp@ 97698

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1	/* $Id: DisplayImpl.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2022 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28	#define LOG_GROUP LOG_GROUP_MAIN_DISPLAY
29	#include "LoggingNew.h"
30
31	#include "DisplayImpl.h"
32	#include "DisplayUtils.h"
33	#include "ConsoleImpl.h"
34	#include "ConsoleVRDPServer.h"
35	#include "GuestImpl.h"
36	#include "VMMDev.h"
37
38	#include "AutoCaller.h"
39
40	/* generated header */
41	#include "VBoxEvents.h"
42
43	#include <iprt/semaphore.h>
44	#include <iprt/thread.h>
45	#include <iprt/asm.h>
46	#include <iprt/time.h>
47	#include <iprt/cpp/utils.h>
48	#include <iprt/alloca.h>
49
50	#include <VBox/vmm/vmmr3vtable.h>
51	#include <VBox/vmm/pdmdrv.h>
52
53	#ifdef VBOX_WITH_VIDEOHWACCEL
54	# include <VBoxVideo.h>
55	#endif
56	#include <VBoxVideo3D.h>
57
58	#include <VBox/com/array.h>
59
60	#ifdef VBOX_WITH_RECORDING
61	# include <iprt/path.h>
62	# include "Recording.h"
63
64	# include <VBox/vmm/pdmapi.h>
65	# include <VBox/vmm/pdmaudioifs.h>
66	#endif
67
68	/**
69	* Display driver instance data.
70	*
71	* @implements PDMIDISPLAYCONNECTOR
72	*/
73	typedef struct DRVMAINDISPLAY
74	{
75	/** Pointer to the display object. */
76	Display *pDisplay;
77	/** Pointer to the driver instance structure. */
78	PPDMDRVINS pDrvIns;
79	/** Pointer to the display port interface of the driver/device above us. */
80	PPDMIDISPLAYPORT pUpPort;
81	/** Our display connector interface. */
82	PDMIDISPLAYCONNECTOR IConnector;
83	#if defined(VBOX_WITH_VIDEOHWACCEL)
84	/** VBVA callbacks */
85	PPDMIDISPLAYVBVACALLBACKS pVBVACallbacks;
86	#endif
87	} DRVMAINDISPLAY, *PDRVMAINDISPLAY;
88
89	/** Converts PDMIDISPLAYCONNECTOR pointer to a DRVMAINDISPLAY pointer. */
90	#define PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface) RT_FROM_MEMBER(pInterface, DRVMAINDISPLAY, IConnector)
91
92	// constructor / destructor
93	/////////////////////////////////////////////////////////////////////////////
94
95	Display::Display()
96	: mParent(NULL)
97	{
98	}
99
100	Display::~Display()
101	{
102	}
103
104
105	HRESULT Display::FinalConstruct()
106	{
107	int vrc = videoAccelConstruct(&mVideoAccelLegacy);
108	AssertRC(vrc);
109
110	mfVideoAccelVRDP = false;
111	mfu32SupportedOrders = 0;
112	mcVRDPRefs = 0;
113
114	mfSeamlessEnabled = false;
115	mpRectVisibleRegion = NULL;
116	mcRectVisibleRegion = 0;
117
118	mpDrv = NULL;
119
120	vrc = RTCritSectInit(&mVideoAccelLock);
121	AssertRC(vrc);
122
123	#ifdef VBOX_WITH_HGSMI
124	mu32UpdateVBVAFlags = 0;
125	mfVMMDevSupportsGraphics = false;
126	mfGuestVBVACapabilities = 0;
127	mfHostCursorCapabilities = 0;
128	#endif
129
130	#ifdef VBOX_WITH_RECORDING
131	vrc = RTCritSectInit(&mVideoRecLock);
132	AssertRC(vrc);
133
134	for (unsigned i = 0; i < RT_ELEMENTS(maRecordingEnabled); i++)
135	maRecordingEnabled[i] = true;
136	#endif
137
138	return BaseFinalConstruct();
139	}
140
141	void Display::FinalRelease()
142	{
143	uninit();
144
145	#ifdef VBOX_WITH_RECORDING
146	if (RTCritSectIsInitialized(&mVideoRecLock))
147	{
148	RTCritSectDelete(&mVideoRecLock);
149	RT_ZERO(mVideoRecLock);
150	}
151	#endif
152
153	videoAccelDestroy(&mVideoAccelLegacy);
154	i_saveVisibleRegion(0, NULL);
155
156	if (RTCritSectIsInitialized(&mVideoAccelLock))
157	{
158	RTCritSectDelete(&mVideoAccelLock);
159	RT_ZERO(mVideoAccelLock);
160	}
161
162	BaseFinalRelease();
163	}
164
165	// public initializer/uninitializer for internal purposes only
166	/////////////////////////////////////////////////////////////////////////////
167
168	#define kMaxSizeThumbnail 64
169
170	/**
171	* Save thumbnail and screenshot of the guest screen.
172	*/
173	static int displayMakeThumbnail(uint8_t *pbData, uint32_t cx, uint32_t cy,
174	uint8_t *ppu8Thumbnail, uint32_t pcbThumbnail, uint32_t pcxThumbnail, uint32_t pcyThumbnail)
175	{
176	int vrc = VINF_SUCCESS;
177
178	uint8_t *pu8Thumbnail = NULL;
179	uint32_t cbThumbnail = 0;
180	uint32_t cxThumbnail = 0;
181	uint32_t cyThumbnail = 0;
182
183	if (cx > cy)
184	{
185	cxThumbnail = kMaxSizeThumbnail;
186	cyThumbnail = (kMaxSizeThumbnail * cy) / cx;
187	}
188	else
189	{
190	cyThumbnail = kMaxSizeThumbnail;
191	cxThumbnail = (kMaxSizeThumbnail * cx) / cy;
192	}
193
194	LogRelFlowFunc(("%dx%d -> %dx%d\n", cx, cy, cxThumbnail, cyThumbnail));
195
196	cbThumbnail = cxThumbnail * 4 * cyThumbnail;
197	pu8Thumbnail = (uint8_t *)RTMemAlloc(cbThumbnail);
198
199	if (pu8Thumbnail)
200	{
201	uint8_t *dst = pu8Thumbnail;
202	uint8_t *src = pbData;
203	int dstW = cxThumbnail;
204	int dstH = cyThumbnail;
205	int srcW = cx;
206	int srcH = cy;
207	int iDeltaLine = cx * 4;
208
209	BitmapScale32(dst,
210	dstW, dstH,
211	src,
212	iDeltaLine,
213	srcW, srcH);
214
215	*ppu8Thumbnail = pu8Thumbnail;
216	*pcbThumbnail = cbThumbnail;
217	*pcxThumbnail = cxThumbnail;
218	*pcyThumbnail = cyThumbnail;
219	}
220	else
221	{
222	vrc = VERR_NO_MEMORY;
223	}
224
225	return vrc;
226	}
227
228	/**
229	* @callback_method_impl{FNSSMEXTSAVEEXEC}
230	*/
231	DECLCALLBACK(int) Display::i_displaySSMSaveScreenshot(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser)
232	{
233	Display * const pThat = static_cast<Display *>(pvUser);
234	AssertPtrReturn(pThat, VERR_INVALID_POINTER);
235
236	/* 32bpp small RGB image. */
237	uint8_t *pu8Thumbnail = NULL;
238	uint32_t cbThumbnail = 0;
239	uint32_t cxThumbnail = 0;
240	uint32_t cyThumbnail = 0;
241
242	/* PNG screenshot. */
243	uint8_t *pu8PNG = NULL;
244	uint32_t cbPNG = 0;
245	uint32_t cxPNG = 0;
246	uint32_t cyPNG = 0;
247
248	Console::SafeVMPtr ptrVM(pThat->mParent);
249	if (ptrVM.isOk())
250	{
251	/* Query RGB bitmap. */
252	/* SSM code is executed on EMT(0), therefore no need to use VMR3ReqCallWait. */
253	uint8_t *pbData = NULL;
254	size_t cbData = 0;
255	uint32_t cx = 0;
256	uint32_t cy = 0;
257	bool fFreeMem = false;
258	int vrc = Display::i_displayTakeScreenshotEMT(pThat, VBOX_VIDEO_PRIMARY_SCREEN, &pbData, &cbData, &cx, &cy, &fFreeMem);
259
260	/*
261	* It is possible that success is returned but everything is 0 or NULL.
262	* (no display attached if a VM is running with VBoxHeadless on OSE for example)
263	*/
264	if (RT_SUCCESS(vrc) && pbData)
265	{
266	Assert(cx && cy);
267
268	/* Prepare a small thumbnail and a PNG screenshot. */
269	displayMakeThumbnail(pbData, cx, cy, &pu8Thumbnail, &cbThumbnail, &cxThumbnail, &cyThumbnail);
270	vrc = DisplayMakePNG(pbData, cx, cy, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 1);
271	if (RT_FAILURE(vrc))
272	{
273	if (pu8PNG)
274	{
275	RTMemFree(pu8PNG);
276	pu8PNG = NULL;
277	}
278	cbPNG = 0;
279	cxPNG = 0;
280	cyPNG = 0;
281	}
282
283	if (fFreeMem)
284	RTMemFree(pbData);
285	else
286	pThat->mpDrv->pUpPort->pfnFreeScreenshot(pThat->mpDrv->pUpPort, pbData);
287	}
288	}
289	else
290	{
291	LogFunc(("Failed to get VM pointer 0x%x\n", ptrVM.rc()));
292	}
293
294	/* Regardless of rc, save what is available:
295	* Data format:
296	* uint32_t cBlocks;
297	* [blocks]
298	*
299	* Each block is:
300	* uint32_t cbBlock; if 0 - no 'block data'.
301	* uint32_t typeOfBlock; 0 - 32bpp RGB bitmap, 1 - PNG, ignored if 'cbBlock' is 0.
302	* [block data]
303	*
304	* Block data for bitmap and PNG:
305	* uint32_t cx;
306	* uint32_t cy;
307	* [image data]
308	*/
309	pVMM->pfnSSMR3PutU32(pSSM, 2); /* Write thumbnail and PNG screenshot. */
310
311	/* First block. */
312	pVMM->pfnSSMR3PutU32(pSSM, (uint32_t)(cbThumbnail + 2 * sizeof(uint32_t)));
313	pVMM->pfnSSMR3PutU32(pSSM, 0); /* Block type: thumbnail. */
314
315	if (cbThumbnail)
316	{
317	pVMM->pfnSSMR3PutU32(pSSM, cxThumbnail);
318	pVMM->pfnSSMR3PutU32(pSSM, cyThumbnail);
319	pVMM->pfnSSMR3PutMem(pSSM, pu8Thumbnail, cbThumbnail);
320	}
321
322	/* Second block. */
323	pVMM->pfnSSMR3PutU32(pSSM, (uint32_t)(cbPNG + 2 * sizeof(uint32_t)));
324	pVMM->pfnSSMR3PutU32(pSSM, 1); /* Block type: png. */
325
326	if (cbPNG)
327	{
328	pVMM->pfnSSMR3PutU32(pSSM, cxPNG);
329	pVMM->pfnSSMR3PutU32(pSSM, cyPNG);
330	pVMM->pfnSSMR3PutMem(pSSM, pu8PNG, cbPNG);
331	}
332
333	RTMemFree(pu8PNG);
334	RTMemFree(pu8Thumbnail);
335
336	return VINF_SUCCESS;
337	}
338
339	/**
340	* @callback_method_impl{FNSSMEXTLOADEXEC}
341	*/
342	DECLCALLBACK(int)
343	Display::i_displaySSMLoadScreenshot(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser, uint32_t uVersion, uint32_t uPass)
344	{
345	Display * const pThat = static_cast<Display *>(pvUser);
346	AssertPtrReturn(pThat, VERR_INVALID_POINTER);
347	Assert(uPass == SSM_PASS_FINAL); RT_NOREF_PV(uPass);
348
349	if (uVersion != sSSMDisplayScreenshotVer)
350	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
351
352	/* Skip data. */
353	uint32_t cBlocks;
354	int vrc = pVMM->pfnSSMR3GetU32(pSSM, &cBlocks);
355	AssertRCReturn(vrc, vrc);
356
357	for (uint32_t i = 0; i < cBlocks; i++)
358	{
359	uint32_t cbBlock;
360	vrc = pVMM->pfnSSMR3GetU32(pSSM, &cbBlock);
361	AssertRCReturn(vrc, vrc);
362
363	uint32_t typeOfBlock;
364	vrc = pVMM->pfnSSMR3GetU32(pSSM, &typeOfBlock);
365	AssertRCReturn(vrc, vrc);
366
367	LogRelFlowFunc(("[%d] type %d, size %d bytes\n", i, typeOfBlock, cbBlock));
368
369	/* Note: displaySSMSaveScreenshot writes size of a block = 8 and
370	* do not write any data if the image size was 0.
371	*/
372	/** @todo Fix and increase saved state version. */
373	if (cbBlock > 2 * sizeof(uint32_t))
374	{
375	vrc = pVMM->pfnSSMR3Skip(pSSM, cbBlock);
376	AssertRCReturn(vrc, vrc);
377	}
378	}
379
380	return vrc;
381	}
382
383	/**
384	* @callback_method_impl{FNSSMEXTSAVEEXEC, Save some important guest state}
385	*/
386	/static/ DECLCALLBACK(int)
387	Display::i_displaySSMSave(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser)
388	{
389	Display * const pThat = static_cast<Display *>(pvUser);
390	AssertPtrReturn(pThat, VERR_INVALID_POINTER);
391
392	pVMM->pfnSSMR3PutU32(pSSM, pThat->mcMonitors);
393	for (unsigned i = 0; i < pThat->mcMonitors; i++)
394	{
395	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].u32Offset);
396	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].u32MaxFramebufferSize);
397	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].u32InformationSize);
398	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].w);
399	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].h);
400	pVMM->pfnSSMR3PutS32(pSSM, pThat->maFramebuffers[i].xOrigin);
401	pVMM->pfnSSMR3PutS32(pSSM, pThat->maFramebuffers[i].yOrigin);
402	pVMM->pfnSSMR3PutU32(pSSM, pThat->maFramebuffers[i].flags);
403	}
404	pVMM->pfnSSMR3PutS32(pSSM, pThat->xInputMappingOrigin);
405	pVMM->pfnSSMR3PutS32(pSSM, pThat->yInputMappingOrigin);
406	pVMM->pfnSSMR3PutU32(pSSM, pThat->cxInputMapping);
407	pVMM->pfnSSMR3PutU32(pSSM, pThat->cyInputMapping);
408	pVMM->pfnSSMR3PutU32(pSSM, pThat->mfGuestVBVACapabilities);
409	return pVMM->pfnSSMR3PutU32(pSSM, pThat->mfHostCursorCapabilities);
410	}
411
412	/**
413	* @callback_method_impl{FNSSMEXTLOADEXEC, Load some important guest state}
414	*/
415	/static/ DECLCALLBACK(int)
416	Display::i_displaySSMLoad(PSSMHANDLE pSSM, PCVMMR3VTABLE pVMM, void *pvUser, uint32_t uVersion, uint32_t uPass)
417	{
418	Display * const pThat = static_cast<Display *>(pvUser);
419	AssertPtrReturn(pThat, VERR_INVALID_POINTER);
420
421	if ( uVersion != sSSMDisplayVer
422	&& uVersion != sSSMDisplayVer2
423	&& uVersion != sSSMDisplayVer3
424	&& uVersion != sSSMDisplayVer4
425	&& uVersion != sSSMDisplayVer5)
426	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
427	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
428
429	uint32_t cMonitors;
430	int vrc = pVMM->pfnSSMR3GetU32(pSSM, &cMonitors);
431	AssertRCReturn(vrc, vrc);
432	if (cMonitors != pThat->mcMonitors)
433	return pVMM->pfnSSMR3SetCfgError(pSSM, RT_SRC_POS, N_("Number of monitors changed (%d->%d)!"), cMonitors, pThat->mcMonitors);
434
435	for (uint32_t i = 0; i < cMonitors; i++)
436	{
437	pVMM->pfnSSMR3GetU32(pSSM, &pThat->maFramebuffers[i].u32Offset);
438	pVMM->pfnSSMR3GetU32(pSSM, &pThat->maFramebuffers[i].u32MaxFramebufferSize);
439	pVMM->pfnSSMR3GetU32(pSSM, &pThat->maFramebuffers[i].u32InformationSize);
440	if ( uVersion == sSSMDisplayVer2
441	\|\| uVersion == sSSMDisplayVer3
442	\|\| uVersion == sSSMDisplayVer4
443	\|\| uVersion == sSSMDisplayVer5)
444	{
445	uint32_t w;
446	uint32_t h;
447	pVMM->pfnSSMR3GetU32(pSSM, &w);
448	vrc = pVMM->pfnSSMR3GetU32(pSSM, &h);
449	AssertRCReturn(vrc, vrc);
450	pThat->maFramebuffers[i].w = w;
451	pThat->maFramebuffers[i].h = h;
452	}
453	if ( uVersion == sSSMDisplayVer3
454	\|\| uVersion == sSSMDisplayVer4
455	\|\| uVersion == sSSMDisplayVer5)
456	{
457	int32_t xOrigin;
458	int32_t yOrigin;
459	uint32_t flags;
460	pVMM->pfnSSMR3GetS32(pSSM, &xOrigin);
461	pVMM->pfnSSMR3GetS32(pSSM, &yOrigin);
462	vrc = pVMM->pfnSSMR3GetU32(pSSM, &flags);
463	AssertRCReturn(vrc, vrc);
464	pThat->maFramebuffers[i].xOrigin = xOrigin;
465	pThat->maFramebuffers[i].yOrigin = yOrigin;
466	pThat->maFramebuffers[i].flags = (uint16_t)flags;
467	pThat->maFramebuffers[i].fDisabled = (pThat->maFramebuffers[i].flags & VBVA_SCREEN_F_DISABLED) != 0;
468	}
469	}
470	if ( uVersion == sSSMDisplayVer4
471	\|\| uVersion == sSSMDisplayVer5)
472	{
473	pVMM->pfnSSMR3GetS32(pSSM, &pThat->xInputMappingOrigin);
474	pVMM->pfnSSMR3GetS32(pSSM, &pThat->yInputMappingOrigin);
475	pVMM->pfnSSMR3GetU32(pSSM, &pThat->cxInputMapping);
476	pVMM->pfnSSMR3GetU32(pSSM, &pThat->cyInputMapping);
477	}
478	if (uVersion == sSSMDisplayVer5)
479	{
480	pVMM->pfnSSMR3GetU32(pSSM, &pThat->mfGuestVBVACapabilities);
481	pVMM->pfnSSMR3GetU32(pSSM, &pThat->mfHostCursorCapabilities);
482	}
483
484	return VINF_SUCCESS;
485	}
486
487	/**
488	* Initializes the display object.
489	*
490	* @returns COM result indicator
491	* @param aParent handle of our parent object
492	*/
493	HRESULT Display::init(Console *aParent)
494	{
495	ComAssertRet(aParent, E_INVALIDARG);
496	/* Enclose the state transition NotReady->InInit->Ready */
497	AutoInitSpan autoInitSpan(this);
498	AssertReturn(autoInitSpan.isOk(), E_FAIL);
499
500	unconst(mParent) = aParent;
501
502	mfSourceBitmapEnabled = true;
503	fVGAResizing = false;
504
505	ComPtr<IGraphicsAdapter> pGraphicsAdapter;
506	HRESULT hrc = mParent->i_machine()->COMGETTER(GraphicsAdapter)(pGraphicsAdapter.asOutParam());
507	AssertComRCReturnRC(hrc);
508	AssertReturn(!pGraphicsAdapter.isNull(), E_FAIL);
509
510	ULONG ul;
511	pGraphicsAdapter->COMGETTER(MonitorCount)(&ul);
512	mcMonitors = ul;
513	xInputMappingOrigin = 0;
514	yInputMappingOrigin = 0;
515	cxInputMapping = 0;
516	cyInputMapping = 0;
517
518	for (ul = 0; ul < mcMonitors; ul++)
519	{
520	maFramebuffers[ul].u32Offset = 0;
521	maFramebuffers[ul].u32MaxFramebufferSize = 0;
522	maFramebuffers[ul].u32InformationSize = 0;
523
524	maFramebuffers[ul].pFramebuffer = NULL;
525	/* All secondary monitors are disabled at startup. */
526	maFramebuffers[ul].fDisabled = ul > 0;
527
528	maFramebuffers[ul].u32Caps = 0;
529
530	maFramebuffers[ul].updateImage.pu8Address = NULL;
531	maFramebuffers[ul].updateImage.cbLine = 0;
532
533	maFramebuffers[ul].xOrigin = 0;
534	maFramebuffers[ul].yOrigin = 0;
535
536	maFramebuffers[ul].w = 0;
537	maFramebuffers[ul].h = 0;
538
539	maFramebuffers[ul].flags = maFramebuffers[ul].fDisabled? VBVA_SCREEN_F_DISABLED: 0;
540
541	maFramebuffers[ul].u16BitsPerPixel = 0;
542	maFramebuffers[ul].pu8FramebufferVRAM = NULL;
543	maFramebuffers[ul].u32LineSize = 0;
544
545	maFramebuffers[ul].pHostEvents = NULL;
546
547	maFramebuffers[ul].fDefaultFormat = false;
548
549	#ifdef VBOX_WITH_HGSMI
550	maFramebuffers[ul].fVBVAEnabled = false;
551	maFramebuffers[ul].fVBVAForceResize = false;
552	maFramebuffers[ul].pVBVAHostFlags = NULL;
553	#endif /* VBOX_WITH_HGSMI */
554	}
555
556	{
557	// register listener for state change events
558	ComPtr<IEventSource> es;
559	mParent->COMGETTER(EventSource)(es.asOutParam());
560	com::SafeArray<VBoxEventType_T> eventTypes;
561	eventTypes.push_back(VBoxEventType_OnStateChanged);
562	es->RegisterListener(this, ComSafeArrayAsInParam(eventTypes), true);
563	}
564
565	/* Confirm a successful initialization */
566	autoInitSpan.setSucceeded();
567
568	return S_OK;
569	}
570
571	/**
572	* Uninitializes the instance and sets the ready flag to FALSE.
573	* Called either from FinalRelease() or by the parent when it gets destroyed.
574	*/
575	void Display::uninit()
576	{
577	LogRelFlowFunc(("this=%p\n", this));
578
579	/* Enclose the state transition Ready->InUninit->NotReady */
580	AutoUninitSpan autoUninitSpan(this);
581	if (autoUninitSpan.uninitDone())
582	return;
583
584	unsigned uScreenId;
585	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
586	{
587	maFramebuffers[uScreenId].pSourceBitmap.setNull();
588	maFramebuffers[uScreenId].updateImage.pSourceBitmap.setNull();
589	maFramebuffers[uScreenId].updateImage.pu8Address = NULL;
590	maFramebuffers[uScreenId].updateImage.cbLine = 0;
591	maFramebuffers[uScreenId].pFramebuffer.setNull();
592	#ifdef VBOX_WITH_RECORDING
593	maFramebuffers[uScreenId].Recording.pSourceBitmap.setNull();
594	#endif
595	}
596
597	if (mParent)
598	{
599	ComPtr<IEventSource> es;
600	mParent->COMGETTER(EventSource)(es.asOutParam());
601	es->UnregisterListener(this);
602	}
603
604	unconst(mParent) = NULL;
605
606	if (mpDrv)
607	mpDrv->pDisplay = NULL;
608
609	mpDrv = NULL;
610	}
611
612	/**
613	* Register the SSM methods. Called by the power up thread to be able to
614	* pass pVM
615	*/
616	int Display::i_registerSSM(PUVM pUVM)
617	{
618	PCVMMR3VTABLE const pVMM = mParent->i_getVMMVTable();
619	AssertPtrReturn(pVMM, VERR_INTERNAL_ERROR_3);
620
621	/* Version 2 adds width and height of the framebuffer; version 3 adds
622	* the framebuffer offset in the virtual desktop and the framebuffer flags;
623	* version 4 adds guest to host input event mapping and version 5 adds
624	* guest VBVA and host cursor capabilities.
625	*/
626	int vrc = pVMM->pfnSSMR3RegisterExternal(pUVM, "DisplayData", 0, sSSMDisplayVer5,
627	mcMonitors * sizeof(uint32_t) * 8 + sizeof(uint32_t),
628	NULL, NULL, NULL,
629	NULL, i_displaySSMSave, NULL,
630	NULL, i_displaySSMLoad, NULL, this);
631	AssertRCReturn(vrc, vrc);
632
633	/*
634	* Register loaders for old saved states where iInstance was
635	* 3 * sizeof(uint32_t *) due to a code mistake.
636	*/
637	vrc = pVMM->pfnSSMR3RegisterExternal(pUVM, "DisplayData", 12 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
638	NULL, NULL, NULL,
639	NULL, NULL, NULL,
640	NULL, i_displaySSMLoad, NULL, this);
641	AssertRCReturn(vrc, vrc);
642
643	vrc = pVMM->pfnSSMR3RegisterExternal(pUVM, "DisplayData", 24 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
644	NULL, NULL, NULL,
645	NULL, NULL, NULL,
646	NULL, i_displaySSMLoad, NULL, this);
647	AssertRCReturn(vrc, vrc);
648
649	/* uInstance is an arbitrary value greater than 1024. Such a value will ensure a quick seek in saved state file. */
650	vrc = pVMM->pfnSSMR3RegisterExternal(pUVM, "DisplayScreenshot", 1100 /uInstance/, sSSMDisplayScreenshotVer, 0 /cbGuess/,
651	NULL, NULL, NULL,
652	NULL, i_displaySSMSaveScreenshot, NULL,
653	NULL, i_displaySSMLoadScreenshot, NULL, this);
654
655	AssertRCReturn(vrc, vrc);
656
657	return VINF_SUCCESS;
658	}
659
660	// public methods only for internal purposes
661	/////////////////////////////////////////////////////////////////////////////
662
663	/**
664	* Handles display resize event.
665	*
666	* @param uScreenId Screen ID
667	* @param bpp New bits per pixel.
668	* @param pvVRAM VRAM pointer.
669	* @param cbLine New bytes per line.
670	* @param w New display width.
671	* @param h New display height.
672	* @param flags Flags of the new video mode.
673	* @param xOrigin New display origin X.
674	* @param yOrigin New display origin Y.
675	* @param fVGAResize Whether the resize is originated from the VGA device (DevVGA).
676	*/
677	int Display::i_handleDisplayResize(unsigned uScreenId, uint32_t bpp, void *pvVRAM,
678	uint32_t cbLine, uint32_t w, uint32_t h, uint16_t flags,
679	int32_t xOrigin, int32_t yOrigin, bool fVGAResize)
680	{
681	LogRel2(("Display::i_handleDisplayResize: uScreenId=%d pvVRAM=%p w=%d h=%d bpp=%d cbLine=0x%X flags=0x%X\n", uScreenId,
682	pvVRAM, w, h, bpp, cbLine, flags));
683
684	/* Caller must not hold the object lock. */
685	AssertReturn(!isWriteLockOnCurrentThread(), VERR_INVALID_STATE);
686
687	/* Note: the old code checked if the video mode was actually changed and
688	* did not invalidate the source bitmap if the mode did not change.
689	* The new code always invalidates the source bitmap, i.e. it will
690	* notify the frontend even if nothing actually changed.
691	*
692	* Implementing the filtering is possible but might lead to pfnSetRenderVRAM races
693	* between this method and QuerySourceBitmap. Such races can be avoided by implementing
694	* the @todo below.
695	*/
696
697	/* Make sure that the VGA device does not access the source bitmap. */
698	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && mpDrv)
699	{
700	/// @todo It is probably more convenient to implement
701	// mpDrv->pUpPort->pfnSetOutputBitmap(pvVRAM, cbScanline, cBits, cx, cy, bool fSet);
702	// and remove IConnector.pbData, cbScanline, cBits, cx, cy.
703	// fSet = false disables rendering and VGA can check
704	// if it is already rendering to a different bitmap, avoiding
705	// enable/disable rendering races.
706	mpDrv->pUpPort->pfnSetRenderVRAM(mpDrv->pUpPort, false);
707
708	mpDrv->IConnector.pbData = NULL;
709	mpDrv->IConnector.cbScanline = 0;
710	mpDrv->IConnector.cBits = 32; /* DevVGA does not work with cBits == 0. */
711	mpDrv->IConnector.cx = 0;
712	mpDrv->IConnector.cy = 0;
713	}
714
715	/* Update maFramebuffers[uScreenId] under lock. */
716	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
717
718	if (uScreenId >= mcMonitors)
719	{
720	LogRel(("Display::i_handleDisplayResize: mcMonitors=%u < uScreenId=%u (pvVRAM=%p w=%u h=%u bpp=%d cbLine=0x%X flags=0x%X)\n",
721	mcMonitors, uScreenId, pvVRAM, w, h, bpp, cbLine, flags));
722	return VINF_SUCCESS;
723	}
724
725	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
726
727	/* Whether the monitor position has changed.
728	* A resize initiated by the VGA device does not change the monitor position.
729	*/
730	const bool fNewOrigin = !fVGAResize
731	&& ( pFBInfo->xOrigin != xOrigin
732	\|\| pFBInfo->yOrigin != yOrigin);
733
734	/* The event for disabled->enabled transition.
735	* VGA resizes also come when the guest uses VBVA mode. They do not affect pFBInfo->fDisabled.
736	* The primary screen is re-enabled when the guest leaves the VBVA mode in i_displayVBVADisable.
737	*/
738	const bool fGuestMonitorChangedEvent = !fVGAResize
739	&& (pFBInfo->fDisabled != RT_BOOL(flags & VBVA_SCREEN_F_DISABLED));
740
741	/* Reset the update mode. */
742	pFBInfo->updateImage.pSourceBitmap.setNull();
743	pFBInfo->updateImage.pu8Address = NULL;
744	pFBInfo->updateImage.cbLine = 0;
745
746	/* Release the current source bitmap. */
747	pFBInfo->pSourceBitmap.setNull();
748
749	/* VGA blanking is signaled as w=0, h=0, bpp=0 and cbLine=0, and it's
750	* best to keep the old resolution, as otherwise the window size would
751	* change before the new resolution is known. */
752	const bool fVGABlank = fVGAResize && uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
753	&& w == 0 && h == 0 && bpp == 0 && cbLine == 0;
754	if (fVGABlank)
755	{
756	w = pFBInfo->w;
757	h = pFBInfo->h;
758	}
759
760	/* Log changes. */
761	if ( pFBInfo->w != w
762	\|\| pFBInfo->h != h
763	\|\| pFBInfo->u32LineSize != cbLine
764	/\|\| pFBInfo->pu8FramebufferVRAM != (uint8_t )pvVRAM - too noisy */
765	\|\| ( !fVGAResize
766	&& ( pFBInfo->xOrigin != xOrigin
767	\|\| pFBInfo->yOrigin != yOrigin
768	\|\| pFBInfo->flags != flags)))
769	LogRel(("Display::i_handleDisplayResize: uScreenId=%d pvVRAM=%p w=%d h=%d bpp=%d cbLine=0x%X flags=0x%X origin=%d,%d\n",
770	uScreenId, pvVRAM, w, h, bpp, cbLine, flags, xOrigin, yOrigin));
771
772	/* Update the video mode information. */
773	pFBInfo->w = w;
774	pFBInfo->h = h;
775	pFBInfo->u16BitsPerPixel = (uint16_t)bpp;
776	pFBInfo->pu8FramebufferVRAM = (uint8_t *)pvVRAM;
777	pFBInfo->u32LineSize = cbLine;
778	if (!fVGAResize)
779	{
780	/* Fields which are not used in not VBVA modes and not affected by a VGA resize. */
781	pFBInfo->flags = flags;
782	pFBInfo->xOrigin = xOrigin;
783	pFBInfo->yOrigin = yOrigin;
784	pFBInfo->fDisabled = RT_BOOL(flags & VBVA_SCREEN_F_DISABLED);
785	pFBInfo->fVBVAForceResize = false;
786	}
787	else
788	{
789	pFBInfo->flags = VBVA_SCREEN_F_ACTIVE;
790	if (fVGABlank)
791	pFBInfo->flags \|= VBVA_SCREEN_F_BLANK;
792	pFBInfo->fDisabled = false;
793	}
794
795	/* Prepare local vars for the notification code below. */
796	ComPtr<IFramebuffer> pFramebuffer = pFBInfo->pFramebuffer;
797	const bool fDisabled = pFBInfo->fDisabled;
798
799	alock.release();
800
801	if (!pFramebuffer.isNull())
802	{
803	HRESULT hr = pFramebuffer->NotifyChange(uScreenId, 0, 0, w, h); /** @todo origin */
804	LogFunc(("NotifyChange hr %08X\n", hr));
805	NOREF(hr);
806	}
807
808	if (fGuestMonitorChangedEvent)
809	{
810	if (fDisabled)
811	::FireGuestMonitorChangedEvent(mParent->i_getEventSource(),
812	GuestMonitorChangedEventType_Disabled, uScreenId, 0, 0, 0, 0);
813	else
814	::FireGuestMonitorChangedEvent(mParent->i_getEventSource(),
815	GuestMonitorChangedEventType_Enabled, uScreenId, xOrigin, yOrigin, w, h);
816	}
817
818	if (fNewOrigin)
819	::FireGuestMonitorChangedEvent(mParent->i_getEventSource(),
820	GuestMonitorChangedEventType_NewOrigin, uScreenId, xOrigin, yOrigin, 0, 0);
821
822	/* Inform the VRDP server about the change of display parameters. */
823	LogRelFlowFunc(("Calling VRDP\n"));
824	mParent->i_consoleVRDPServer()->SendResize();
825
826	/* And re-send the seamless rectangles if necessary. */
827	if (mfSeamlessEnabled)
828	i_handleSetVisibleRegion(mcRectVisibleRegion, mpRectVisibleRegion);
829
830	#ifdef VBOX_WITH_RECORDING
831	i_recordingScreenChanged(uScreenId);
832	#endif
833
834	LogRelFlowFunc(("[%d]: default format %d\n", uScreenId, pFBInfo->fDefaultFormat));
835
836	return VINF_SUCCESS;
837	}
838
839	static void i_checkCoordBounds(int px, int py, int pw, int ph, int cx, int cy)
840	{
841	/* Correct negative x and y coordinates. */
842	if (*px < 0)
843	{
844	px += pw; /* Compute xRight which is also the new width. */
845
846	pw = (px < 0)? 0: *px;
847
848	*px = 0;
849	}
850
851	if (*py < 0)
852	{
853	py += ph; /* Compute xBottom, which is also the new height. */
854
855	ph = (py < 0)? 0: *py;
856
857	*py = 0;
858	}
859
860	/* Also check if coords are greater than the display resolution. */
861	if (px + pw > cx)
862	{
863	pw = cx > px? cx - *px: 0;
864	}
865
866	if (py + ph > cy)
867	{
868	ph = cy > py? cy - *py: 0;
869	}
870	}
871
872	void Display::i_handleDisplayUpdate(unsigned uScreenId, int x, int y, int w, int h)
873	{
874	/*
875	* Always runs under either VBVA lock or, for HGSMI, DevVGA lock.
876	* Safe to use VBVA vars and take the framebuffer lock.
877	*/
878
879	#ifdef DEBUG_sunlover
880	LogFlowFunc(("[%d] %d,%d %dx%d\n",
881	uScreenId, x, y, w, h));
882	#endif /* DEBUG_sunlover */
883
884	/* No updates for a disabled guest screen. */
885	if (maFramebuffers[uScreenId].fDisabled)
886	return;
887
888	/* No updates for a blank guest screen. */
889	/** @note Disabled for now, as the GUI does not update the picture when we
890	* first blank. */
891	/* if (maFramebuffers[uScreenId].flags & VBVA_SCREEN_F_BLANK)
892	return; */
893
894	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
895	AutoReadLock alockr(this COMMA_LOCKVAL_SRC_POS);
896
897	ComPtr<IFramebuffer> pFramebuffer = pFBInfo->pFramebuffer;
898	ComPtr<IDisplaySourceBitmap> pSourceBitmap = pFBInfo->updateImage.pSourceBitmap;
899
900	alockr.release();
901
902	if (RT_LIKELY(!pFramebuffer.isNull()))
903	{
904	if (RT_LIKELY(!RT_BOOL(pFBInfo->u32Caps & FramebufferCapabilities_UpdateImage)))
905	{
906	i_checkCoordBounds(&x, &y, &w, &h, pFBInfo->w, pFBInfo->h);
907
908	if (w != 0 && h != 0)
909	{
910	pFramebuffer->NotifyUpdate(x, y, w, h);
911	}
912	}
913	else
914	{
915	if (RT_LIKELY(!pSourceBitmap.isNull()))
916	{ /* likely */ }
917	else
918	{
919	/* Create a source bitmap if UpdateImage mode is used. */
920	HRESULT hr = QuerySourceBitmap(uScreenId, pSourceBitmap.asOutParam());
921	if (SUCCEEDED(hr))
922	{
923	BYTE *pAddress = NULL;
924	ULONG ulWidth = 0;
925	ULONG ulHeight = 0;
926	ULONG ulBitsPerPixel = 0;
927	ULONG ulBytesPerLine = 0;
928	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
929
930	hr = pSourceBitmap->QueryBitmapInfo(&pAddress,
931	&ulWidth,
932	&ulHeight,
933	&ulBitsPerPixel,
934	&ulBytesPerLine,
935	&bitmapFormat);
936	if (SUCCEEDED(hr))
937	{
938	AutoWriteLock alockw(this COMMA_LOCKVAL_SRC_POS);
939
940	if (pFBInfo->updateImage.pSourceBitmap.isNull())
941	{
942	pFBInfo->updateImage.pSourceBitmap = pSourceBitmap;
943	pFBInfo->updateImage.pu8Address = pAddress;
944	pFBInfo->updateImage.cbLine = ulBytesPerLine;
945	}
946
947	pSourceBitmap = pFBInfo->updateImage.pSourceBitmap;
948
949	alockw.release();
950	}
951	}
952	}
953
954	if (RT_LIKELY(!pSourceBitmap.isNull()))
955	{
956	BYTE *pbAddress = NULL;
957	ULONG ulWidth = 0;
958	ULONG ulHeight = 0;
959	ULONG ulBitsPerPixel = 0;
960	ULONG ulBytesPerLine = 0;
961	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
962
963	HRESULT hr = pSourceBitmap->QueryBitmapInfo(&pbAddress,
964	&ulWidth,
965	&ulHeight,
966	&ulBitsPerPixel,
967	&ulBytesPerLine,
968	&bitmapFormat);
969	if (SUCCEEDED(hr))
970	{
971	/* Make sure that the requested update is within the source bitmap dimensions. */
972	i_checkCoordBounds(&x, &y, &w, &h, ulWidth, ulHeight);
973
974	if (w != 0 && h != 0)
975	{
976	const size_t cbData = w * h * 4;
977	com::SafeArray<BYTE> image(cbData);
978
979	uint8_t *pu8Dst = image.raw();
980	const uint8_t pu8Src = pbAddress + ulBytesPerLine y + x * 4;
981
982	int i;
983	for (i = y; i < y + h; ++i)
984	{
985	memcpy(pu8Dst, pu8Src, w * 4);
986	pu8Dst += w * 4;
987	pu8Src += ulBytesPerLine;
988	}
989
990	pFramebuffer->NotifyUpdateImage(x, y, w, h, ComSafeArrayAsInParam(image));
991	}
992	}
993	}
994	}
995	}
996
997	#ifndef VBOX_WITH_HGSMI
998	if (!mVideoAccelLegacy.fVideoAccelEnabled)
999	#else
1000	if (!mVideoAccelLegacy.fVideoAccelEnabled && !maFramebuffers[uScreenId].fVBVAEnabled)
1001	#endif
1002	{
1003	/* When VBVA is enabled, the VRDP server is informed
1004	* either in VideoAccelFlush or displayVBVAUpdateProcess.
1005	* Inform the server here only if VBVA is disabled.
1006	*/
1007	mParent->i_consoleVRDPServer()->SendUpdateBitmap(uScreenId, x, y, w, h);
1008	}
1009	}
1010
1011	void Display::i_updateGuestGraphicsFacility(void)
1012	{
1013	Guest* pGuest = mParent->i_getGuest();
1014	AssertPtrReturnVoid(pGuest);
1015	/* The following is from GuestImpl.cpp. */
1016	/** @todo A nit: The timestamp is wrong on saved state restore. Would be better
1017	* to move the graphics and seamless capability -> facility translation to
1018	* VMMDev so this could be saved. */
1019	RTTIMESPEC TimeSpecTS;
1020	RTTimeNow(&TimeSpecTS);
1021
1022	if ( mfVMMDevSupportsGraphics
1023	\|\| (mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS) != 0)
1024	pGuest->i_setAdditionsStatus(VBoxGuestFacilityType_Graphics,
1025	VBoxGuestFacilityStatus_Active,
1026	0 /fFlags/, &TimeSpecTS);
1027	else
1028	pGuest->i_setAdditionsStatus(VBoxGuestFacilityType_Graphics,
1029	VBoxGuestFacilityStatus_Inactive,
1030	0 /fFlags/, &TimeSpecTS);
1031	}
1032
1033	void Display::i_handleUpdateVMMDevSupportsGraphics(bool fSupportsGraphics)
1034	{
1035	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1036	if (mfVMMDevSupportsGraphics == fSupportsGraphics)
1037	return;
1038	mfVMMDevSupportsGraphics = fSupportsGraphics;
1039	i_updateGuestGraphicsFacility();
1040	/* The VMMDev interface notifies the console. */
1041	}
1042
1043	void Display::i_handleUpdateGuestVBVACapabilities(uint32_t fNewCapabilities)
1044	{
1045	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1046	bool fNotify = (fNewCapabilities & VBVACAPS_VIDEO_MODE_HINTS) != (mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS);
1047
1048	mfGuestVBVACapabilities = fNewCapabilities;
1049	if (!fNotify)
1050	return;
1051	i_updateGuestGraphicsFacility();
1052	/* Tell the console about it */
1053	mParent->i_onAdditionsStateChange();
1054	}
1055
1056	void Display::i_handleUpdateVBVAInputMapping(int32_t xOrigin, int32_t yOrigin, uint32_t cx, uint32_t cy)
1057	{
1058	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1059
1060	xInputMappingOrigin = xOrigin;
1061	yInputMappingOrigin = yOrigin;
1062	cxInputMapping = cx;
1063	cyInputMapping = cy;
1064
1065	/* Re-send the seamless rectangles if necessary. */
1066	if (mfSeamlessEnabled)
1067	i_handleSetVisibleRegion(mcRectVisibleRegion, mpRectVisibleRegion);
1068	}
1069
1070	/**
1071	* Returns the upper left and lower right corners of the virtual framebuffer.
1072	* The lower right is "exclusive" (i.e. first pixel beyond the framebuffer),
1073	* and the origin is (0, 0), not (1, 1) like the GUI returns.
1074	*/
1075	void Display::i_getFramebufferDimensions(int32_t px1, int32_t py1,
1076	int32_t px2, int32_t py2)
1077	{
1078	int32_t x1 = 0, y1 = 0, x2 = 0, y2 = 0;
1079	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1080
1081	AssertPtrReturnVoid(px1);
1082	AssertPtrReturnVoid(py1);
1083	AssertPtrReturnVoid(px2);
1084	AssertPtrReturnVoid(py2);
1085	LogRelFlowFunc(("\n"));
1086
1087	if (!mpDrv)
1088	return;
1089
1090	if (maFramebuffers[0].fVBVAEnabled && cxInputMapping && cyInputMapping)
1091	{
1092	/* Guest uses VBVA with explicit mouse mapping dimensions. */
1093	x1 = xInputMappingOrigin;
1094	y1 = yInputMappingOrigin;
1095	x2 = xInputMappingOrigin + cxInputMapping;
1096	y2 = yInputMappingOrigin + cyInputMapping;
1097	}
1098	else
1099	{
1100	/* If VBVA is not in use then this flag will not be set and this
1101	* will still work as it should. */
1102	if (!maFramebuffers[0].fDisabled)
1103	{
1104	x1 = (int32_t)maFramebuffers[0].xOrigin;
1105	y1 = (int32_t)maFramebuffers[0].yOrigin;
1106	x2 = (int32_t)maFramebuffers[0].w + (int32_t)maFramebuffers[0].xOrigin;
1107	y2 = (int32_t)maFramebuffers[0].h + (int32_t)maFramebuffers[0].yOrigin;
1108	}
1109
1110	for (unsigned i = 1; i < mcMonitors; ++i)
1111	{
1112	if (!maFramebuffers[i].fDisabled)
1113	{
1114	x1 = RT_MIN(x1, maFramebuffers[i].xOrigin);
1115	y1 = RT_MIN(y1, maFramebuffers[i].yOrigin);
1116	x2 = RT_MAX(x2, maFramebuffers[i].xOrigin + (int32_t)maFramebuffers[i].w);
1117	y2 = RT_MAX(y2, maFramebuffers[i].yOrigin + (int32_t)maFramebuffers[i].h);
1118	}
1119	}
1120	}
1121
1122	*px1 = x1;
1123	*py1 = y1;
1124	*px2 = x2;
1125	*py2 = y2;
1126	}
1127
1128	/** Updates the device's view of the host cursor handling capabilities.
1129	* Calls into mpDrv->pUpPort. */
1130	void Display::i_UpdateDeviceCursorCapabilities(void)
1131	{
1132	bool fRenderCursor = true;
1133	bool fMoveCursor = mcVRDPRefs == 0;
1134	#ifdef VBOX_WITH_RECORDING
1135	RecordingContext *pCtx = mParent->i_recordingGetContext();
1136
1137	if ( pCtx
1138	&& pCtx->IsStarted()
1139	&& pCtx->IsFeatureEnabled(RecordingFeature_Video))
1140	fRenderCursor = fMoveCursor = false;
1141	else
1142	#endif /* VBOX_WITH_RECORDING */
1143	{
1144	for (unsigned uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1145	{
1146	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1147	if (!(pFBInfo->u32Caps & FramebufferCapabilities_RenderCursor))
1148	fRenderCursor = false;
1149	if (!(pFBInfo->u32Caps & FramebufferCapabilities_MoveCursor))
1150	fMoveCursor = false;
1151	}
1152	}
1153
1154	if (mpDrv)
1155	mpDrv->pUpPort->pfnReportHostCursorCapabilities(mpDrv->pUpPort, fRenderCursor, fMoveCursor);
1156	}
1157
1158	HRESULT Display::i_reportHostCursorCapabilities(uint32_t fCapabilitiesAdded, uint32_t fCapabilitiesRemoved)
1159	{
1160	/* Do we need this to access mParent? I presume that the safe VM pointer
1161	* ensures that mpDrv will remain valid. */
1162	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1163	uint32_t fHostCursorCapabilities = (mfHostCursorCapabilities \| fCapabilitiesAdded)
1164	& ~fCapabilitiesRemoved;
1165
1166	Console::SafeVMPtr ptrVM(mParent);
1167	if (!ptrVM.isOk())
1168	return ptrVM.rc();
1169	if (mfHostCursorCapabilities == fHostCursorCapabilities)
1170	return S_OK;
1171	CHECK_CONSOLE_DRV(mpDrv);
1172	alock.release(); /* Release before calling up for lock order reasons. */
1173	mfHostCursorCapabilities = fHostCursorCapabilities;
1174	i_UpdateDeviceCursorCapabilities();
1175	return S_OK;
1176	}
1177
1178	HRESULT Display::i_reportHostCursorPosition(int32_t x, int32_t y, bool fOutOfRange)
1179	{
1180	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1181	uint32_t xAdj = (uint32_t)RT_MAX(x - xInputMappingOrigin, 0);
1182	uint32_t yAdj = (uint32_t)RT_MAX(y - yInputMappingOrigin, 0);
1183	xAdj = RT_MIN(xAdj, cxInputMapping);
1184	yAdj = RT_MIN(yAdj, cyInputMapping);
1185
1186	Console::SafeVMPtr ptrVM(mParent);
1187	if (!ptrVM.isOk())
1188	return ptrVM.rc();
1189	CHECK_CONSOLE_DRV(mpDrv);
1190	alock.release(); /* Release before calling up for lock order reasons. */
1191	if (fOutOfRange)
1192	mpDrv->pUpPort->pfnReportHostCursorPosition(mpDrv->pUpPort, 0, 0, true);
1193	else
1194	mpDrv->pUpPort->pfnReportHostCursorPosition(mpDrv->pUpPort, xAdj, yAdj, false);
1195	return S_OK;
1196	}
1197
1198	static bool displayIntersectRect(RTRECT *prectResult,
1199	const RTRECT *prect1,
1200	const RTRECT *prect2)
1201	{
1202	/* Initialize result to an empty record. */
1203	memset(prectResult, 0, sizeof(RTRECT));
1204
1205	int xLeftResult = RT_MAX(prect1->xLeft, prect2->xLeft);
1206	int xRightResult = RT_MIN(prect1->xRight, prect2->xRight);
1207
1208	if (xLeftResult < xRightResult)
1209	{
1210	/* There is intersection by X. */
1211
1212	int yTopResult = RT_MAX(prect1->yTop, prect2->yTop);
1213	int yBottomResult = RT_MIN(prect1->yBottom, prect2->yBottom);
1214
1215	if (yTopResult < yBottomResult)
1216	{
1217	/* There is intersection by Y. */
1218
1219	prectResult->xLeft = xLeftResult;
1220	prectResult->yTop = yTopResult;
1221	prectResult->xRight = xRightResult;
1222	prectResult->yBottom = yBottomResult;
1223
1224	return true;
1225	}
1226	}
1227
1228	return false;
1229	}
1230
1231	int Display::i_saveVisibleRegion(uint32_t cRect, PRTRECT pRect)
1232	{
1233	RTRECT *pRectVisibleRegion = NULL;
1234
1235	if (pRect == mpRectVisibleRegion)
1236	return VINF_SUCCESS;
1237	if (cRect != 0)
1238	{
1239	pRectVisibleRegion = (RTRECT )RTMemAlloc(cRect sizeof(RTRECT));
1240	if (!pRectVisibleRegion)
1241	{
1242	return VERR_NO_MEMORY;
1243	}
1244	memcpy(pRectVisibleRegion, pRect, cRect * sizeof(RTRECT));
1245	}
1246	if (mpRectVisibleRegion)
1247	RTMemFree(mpRectVisibleRegion);
1248	mcRectVisibleRegion = cRect;
1249	mpRectVisibleRegion = pRectVisibleRegion;
1250	return VINF_SUCCESS;
1251	}
1252
1253	int Display::i_handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect)
1254	{
1255	RTRECT pVisibleRegion = (RTRECT )RTMemTmpAlloc( RT_MAX(cRect, 1)
1256	* sizeof(RTRECT));
1257	LogRel2(("%s: cRect=%u\n", __PRETTY_FUNCTION__, cRect));
1258	if (!pVisibleRegion)
1259	{
1260	return VERR_NO_TMP_MEMORY;
1261	}
1262	int vrc = i_saveVisibleRegion(cRect, pRect);
1263	if (RT_FAILURE(vrc))
1264	{
1265	RTMemTmpFree(pVisibleRegion);
1266	return vrc;
1267	}
1268
1269	unsigned uScreenId;
1270	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1271	{
1272	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1273
1274	if ( !pFBInfo->pFramebuffer.isNull()
1275	&& RT_BOOL(pFBInfo->u32Caps & FramebufferCapabilities_VisibleRegion))
1276	{
1277	/* Prepare a new array of rectangles which intersect with the framebuffer.
1278	*/
1279	RTRECT rectFramebuffer;
1280	rectFramebuffer.xLeft = pFBInfo->xOrigin - xInputMappingOrigin;
1281	rectFramebuffer.yTop = pFBInfo->yOrigin - yInputMappingOrigin;
1282	rectFramebuffer.xRight = rectFramebuffer.xLeft + pFBInfo->w;
1283	rectFramebuffer.yBottom = rectFramebuffer.yTop + pFBInfo->h;
1284
1285	uint32_t cRectVisibleRegion = 0;
1286
1287	uint32_t i;
1288	for (i = 0; i < cRect; i++)
1289	{
1290	if (displayIntersectRect(&pVisibleRegion[cRectVisibleRegion], &pRect[i], &rectFramebuffer))
1291	{
1292	pVisibleRegion[cRectVisibleRegion].xLeft -= rectFramebuffer.xLeft;
1293	pVisibleRegion[cRectVisibleRegion].yTop -= rectFramebuffer.yTop;
1294	pVisibleRegion[cRectVisibleRegion].xRight -= rectFramebuffer.xLeft;
1295	pVisibleRegion[cRectVisibleRegion].yBottom -= rectFramebuffer.yTop;
1296
1297	cRectVisibleRegion++;
1298	}
1299	}
1300	pFBInfo->pFramebuffer->SetVisibleRegion((BYTE *)pVisibleRegion, cRectVisibleRegion);
1301	}
1302	}
1303
1304	RTMemTmpFree(pVisibleRegion);
1305
1306	return VINF_SUCCESS;
1307	}
1308
1309	int Display::i_handleUpdateMonitorPositions(uint32_t cPositions, PCRTPOINT paPositions)
1310	{
1311	AssertMsgReturn(paPositions, ("Empty monitor position array\n"), E_INVALIDARG);
1312	for (unsigned i = 0; i < cPositions; ++i)
1313	LogRel2(("Display::i_handleUpdateMonitorPositions: uScreenId=%d xOrigin=%d yOrigin=%dX\n",
1314	i, paPositions[i].x, paPositions[i].y));
1315
1316	if (mpDrv && mpDrv->pUpPort->pfnReportMonitorPositions)
1317	mpDrv->pUpPort->pfnReportMonitorPositions(mpDrv->pUpPort, cPositions, paPositions);
1318	return VINF_SUCCESS;
1319	}
1320
1321	int Display::i_handleQueryVisibleRegion(uint32_t *pcRects, PRTRECT paRects)
1322	{
1323	/// @todo Currently not used by the guest and is not implemented in
1324	/// framebuffers. Remove?
1325	RT_NOREF(pcRects, paRects);
1326	return VERR_NOT_SUPPORTED;
1327	}
1328
1329	#ifdef VBOX_WITH_HGSMI
1330	static void vbvaSetMemoryFlagsHGSMI(unsigned uScreenId,
1331	uint32_t fu32SupportedOrders,
1332	bool fVideoAccelVRDP,
1333	DISPLAYFBINFO *pFBInfo)
1334	{
1335	LogRelFlowFunc(("HGSMI[%d]: %p\n", uScreenId, pFBInfo->pVBVAHostFlags));
1336
1337	if (pFBInfo->pVBVAHostFlags)
1338	{
1339	uint32_t fu32HostEvents = VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1340
1341	if (pFBInfo->fVBVAEnabled)
1342	{
1343	fu32HostEvents \|= VBVA_F_MODE_ENABLED;
1344
1345	if (fVideoAccelVRDP)
1346	{
1347	fu32HostEvents \|= VBVA_F_MODE_VRDP;
1348	}
1349	}
1350
1351	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32HostEvents, fu32HostEvents);
1352	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32SupportedOrders, fu32SupportedOrders);
1353
1354	LogRelFlowFunc((" fu32HostEvents = 0x%08X, fu32SupportedOrders = 0x%08X\n", fu32HostEvents, fu32SupportedOrders));
1355	}
1356	}
1357
1358	static void vbvaSetMemoryFlagsAllHGSMI(uint32_t fu32SupportedOrders,
1359	bool fVideoAccelVRDP,
1360	DISPLAYFBINFO *paFBInfos,
1361	unsigned cFBInfos)
1362	{
1363	unsigned uScreenId;
1364
1365	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1366	{
1367	vbvaSetMemoryFlagsHGSMI(uScreenId, fu32SupportedOrders, fVideoAccelVRDP, &paFBInfos[uScreenId]);
1368	}
1369	}
1370	#endif /* VBOX_WITH_HGSMI */
1371
1372	int Display::VideoAccelEnableVMMDev(bool fEnable, VBVAMEMORY *pVbvaMemory)
1373	{
1374	LogFlowFunc(("%d %p\n", fEnable, pVbvaMemory));
1375	int vrc = videoAccelEnterVMMDev(&mVideoAccelLegacy);
1376	if (RT_SUCCESS(vrc))
1377	{
1378	vrc = i_VideoAccelEnable(fEnable, pVbvaMemory, mpDrv->pUpPort);
1379	videoAccelLeaveVMMDev(&mVideoAccelLegacy);
1380	}
1381	LogFlowFunc(("leave %Rrc\n", vrc));
1382	return vrc;
1383	}
1384
1385	int Display::VideoAccelEnableVGA(bool fEnable, VBVAMEMORY *pVbvaMemory)
1386	{
1387	LogFlowFunc(("%d %p\n", fEnable, pVbvaMemory));
1388	int vrc = videoAccelEnterVGA(&mVideoAccelLegacy);
1389	if (RT_SUCCESS(vrc))
1390	{
1391	vrc = i_VideoAccelEnable(fEnable, pVbvaMemory, mpDrv->pUpPort);
1392	videoAccelLeaveVGA(&mVideoAccelLegacy);
1393	}
1394	LogFlowFunc(("leave %Rrc\n", vrc));
1395	return vrc;
1396	}
1397
1398	void Display::VideoAccelFlushVMMDev(void)
1399	{
1400	LogFlowFunc(("enter\n"));
1401	int vrc = videoAccelEnterVMMDev(&mVideoAccelLegacy);
1402	if (RT_SUCCESS(vrc))
1403	{
1404	i_VideoAccelFlush(mpDrv->pUpPort);
1405	videoAccelLeaveVMMDev(&mVideoAccelLegacy);
1406	}
1407	LogFlowFunc(("leave\n"));
1408	}
1409
1410	/* Called always by one VRDP server thread. Can be thread-unsafe.
1411	*/
1412	void Display::i_VRDPConnectionEvent(bool fConnect)
1413	{
1414	LogRelFlowFunc(("fConnect = %d\n", fConnect));
1415
1416	int c = fConnect?
1417	ASMAtomicIncS32(&mcVRDPRefs):
1418	ASMAtomicDecS32(&mcVRDPRefs);
1419
1420	i_VideoAccelVRDP(fConnect, c);
1421	i_UpdateDeviceCursorCapabilities();
1422	}
1423
1424
1425	void Display::i_VideoAccelVRDP(bool fEnable, int c)
1426	{
1427	VIDEOACCEL *pVideoAccel = &mVideoAccelLegacy;
1428
1429	Assert (c >= 0);
1430	RT_NOREF(fEnable);
1431
1432	/* This can run concurrently with Display videoaccel state change. */
1433	RTCritSectEnter(&mVideoAccelLock);
1434
1435	if (c == 0)
1436	{
1437	/* The last client has disconnected, and the accel can be
1438	* disabled.
1439	*/
1440	Assert(fEnable == false);
1441
1442	mfVideoAccelVRDP = false;
1443	mfu32SupportedOrders = 0;
1444
1445	i_vbvaSetMemoryFlags(pVideoAccel->pVbvaMemory, pVideoAccel->fVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders,
1446	maFramebuffers, mcMonitors);
1447	#ifdef VBOX_WITH_HGSMI
1448	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1449	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1450	#endif /* VBOX_WITH_HGSMI */
1451
1452	LogRel(("VBVA: VRDP acceleration has been disabled.\n"));
1453	}
1454	else if ( c == 1
1455	&& !mfVideoAccelVRDP)
1456	{
1457	/* The first client has connected. Enable the accel.
1458	*/
1459	Assert(fEnable == true);
1460
1461	mfVideoAccelVRDP = true;
1462	/* Supporting all orders. */
1463	mfu32SupportedOrders = UINT32_MAX;
1464
1465	i_vbvaSetMemoryFlags(pVideoAccel->pVbvaMemory, pVideoAccel->fVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders,
1466	maFramebuffers, mcMonitors);
1467	#ifdef VBOX_WITH_HGSMI
1468	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1469	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1470	#endif /* VBOX_WITH_HGSMI */
1471
1472	LogRel(("VBVA: VRDP acceleration has been requested.\n"));
1473	}
1474	else
1475	{
1476	/* A client is connected or disconnected but there is no change in the
1477	* accel state. It remains enabled.
1478	*/
1479	Assert(mfVideoAccelVRDP == true);
1480	}
1481
1482	RTCritSectLeave(&mVideoAccelLock);
1483	}
1484
1485	void Display::i_notifyPowerDown(void)
1486	{
1487	LogRelFlowFunc(("\n"));
1488
1489	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1490
1491	/* Source bitmaps are not available anymore. */
1492	mfSourceBitmapEnabled = false;
1493
1494	alock.release();
1495
1496	/* Resize all displays to tell framebuffers to forget current source bitmap. */
1497	unsigned uScreenId = mcMonitors;
1498	while (uScreenId > 0)
1499	{
1500	--uScreenId;
1501
1502	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1503	if (!pFBInfo->fDisabled)
1504	{
1505	i_handleDisplayResize(uScreenId, 32,
1506	pFBInfo->pu8FramebufferVRAM,
1507	pFBInfo->u32LineSize,
1508	pFBInfo->w,
1509	pFBInfo->h,
1510	pFBInfo->flags,
1511	pFBInfo->xOrigin,
1512	pFBInfo->yOrigin,
1513	false);
1514	}
1515	}
1516	}
1517
1518	// Wrapped IDisplay methods
1519	/////////////////////////////////////////////////////////////////////////////
1520	HRESULT Display::getScreenResolution(ULONG aScreenId, ULONG aWidth, ULONG aHeight, ULONG *aBitsPerPixel,
1521	LONG aXOrigin, LONG aYOrigin, GuestMonitorStatus_T *aGuestMonitorStatus)
1522	{
1523	LogRelFlowFunc(("aScreenId=%RU32\n", aScreenId));
1524
1525	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1526
1527	if (aScreenId >= mcMonitors)
1528	return E_INVALIDARG;
1529
1530	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1531
1532	GuestMonitorStatus_T guestMonitorStatus = GuestMonitorStatus_Enabled;
1533
1534	if (pFBInfo->flags & VBVA_SCREEN_F_DISABLED)
1535	guestMonitorStatus = GuestMonitorStatus_Disabled;
1536	else if (pFBInfo->flags & (VBVA_SCREEN_F_BLANK \| VBVA_SCREEN_F_BLANK2))
1537	guestMonitorStatus = GuestMonitorStatus_Blank;
1538
1539	if (aWidth)
1540	*aWidth = pFBInfo->w;
1541	if (aHeight)
1542	*aHeight = pFBInfo->h;
1543	if (aBitsPerPixel)
1544	*aBitsPerPixel = pFBInfo->u16BitsPerPixel;
1545	if (aXOrigin)
1546	*aXOrigin = pFBInfo->xOrigin;
1547	if (aYOrigin)
1548	*aYOrigin = pFBInfo->yOrigin;
1549	if (aGuestMonitorStatus)
1550	*aGuestMonitorStatus = guestMonitorStatus;
1551
1552	return S_OK;
1553	}
1554
1555
1556	HRESULT Display::attachFramebuffer(ULONG aScreenId, const ComPtr<IFramebuffer> &aFramebuffer, com::Guid &aId)
1557	{
1558	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
1559
1560	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1561
1562	if (aScreenId >= mcMonitors)
1563	return setError(E_INVALIDARG, tr("AttachFramebuffer: Invalid screen %d (total %d)"),
1564	aScreenId, mcMonitors);
1565
1566	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1567	if (!pFBInfo->pFramebuffer.isNull())
1568	return setError(E_FAIL, tr("AttachFramebuffer: Framebuffer already attached to %d"),
1569	aScreenId);
1570
1571	pFBInfo->pFramebuffer = aFramebuffer;
1572	pFBInfo->framebufferId.create();
1573	aId = pFBInfo->framebufferId;
1574
1575	SafeArray<FramebufferCapabilities_T> caps;
1576	pFBInfo->pFramebuffer->COMGETTER(Capabilities)(ComSafeArrayAsOutParam(caps));
1577	pFBInfo->u32Caps = 0;
1578	size_t i;
1579	for (i = 0; i < caps.size(); ++i)
1580	pFBInfo->u32Caps \|= caps[i];
1581
1582	alock.release();
1583
1584	/* The driver might not have been constructed yet */
1585	if (mpDrv)
1586	{
1587	/* Inform the framebuffer about the actual screen size. */
1588	HRESULT hr = aFramebuffer->NotifyChange(aScreenId, 0, 0, pFBInfo->w, pFBInfo->h); /** @todo origin */
1589	LogFunc(("NotifyChange hr %08X\n", hr)); NOREF(hr);
1590
1591	/* Re-send the seamless rectangles if necessary. */
1592	if (mfSeamlessEnabled)
1593	i_handleSetVisibleRegion(mcRectVisibleRegion, mpRectVisibleRegion);
1594	}
1595
1596	Console::SafeVMPtrQuiet ptrVM(mParent);
1597	if (ptrVM.isOk())
1598	ptrVM.vtable()->pfnVMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
1599	3, this, aScreenId, false);
1600
1601	LogRelFlowFunc(("Attached to %d %RTuuid\n", aScreenId, aId.raw()));
1602	return S_OK;
1603	}
1604
1605	HRESULT Display::detachFramebuffer(ULONG aScreenId, const com::Guid &aId)
1606	{
1607	LogRelFlowFunc(("aScreenId = %d %RTuuid\n", aScreenId, aId.raw()));
1608
1609	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1610
1611	if (aScreenId >= mcMonitors)
1612	return setError(E_INVALIDARG, tr("DetachFramebuffer: Invalid screen %d (total %d)"),
1613	aScreenId, mcMonitors);
1614
1615	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1616
1617	if (pFBInfo->framebufferId != aId)
1618	{
1619	LogRelFlowFunc(("Invalid framebuffer aScreenId = %d, attached %p\n", aScreenId, pFBInfo->framebufferId.raw()));
1620	return setError(E_FAIL, tr("DetachFramebuffer: Invalid framebuffer object"));
1621	}
1622
1623	pFBInfo->pFramebuffer.setNull();
1624	pFBInfo->framebufferId.clear();
1625
1626	alock.release();
1627	return S_OK;
1628	}
1629
1630	HRESULT Display::queryFramebuffer(ULONG aScreenId, ComPtr<IFramebuffer> &aFramebuffer)
1631	{
1632	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
1633
1634	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1635
1636	if (aScreenId >= mcMonitors)
1637	return setError(E_INVALIDARG, tr("QueryFramebuffer: Invalid screen %d (total %d)"),
1638	aScreenId, mcMonitors);
1639
1640	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
1641
1642	pFBInfo->pFramebuffer.queryInterfaceTo(aFramebuffer.asOutParam());
1643
1644	return S_OK;
1645	}
1646
1647	HRESULT Display::setVideoModeHint(ULONG aDisplay, BOOL aEnabled,
1648	BOOL aChangeOrigin, LONG aOriginX, LONG aOriginY,
1649	ULONG aWidth, ULONG aHeight, ULONG aBitsPerPixel,
1650	BOOL aNotify)
1651	{
1652	if (aWidth == 0 \|\| aHeight == 0 \|\| aBitsPerPixel == 0)
1653	{
1654	/* Some of parameters must not change. Query current mode. */
1655	ULONG ulWidth = 0;
1656	ULONG ulHeight = 0;
1657	ULONG ulBitsPerPixel = 0;
1658	HRESULT hr = getScreenResolution(aDisplay, &ulWidth, &ulHeight, &ulBitsPerPixel, NULL, NULL, NULL);
1659	if (FAILED(hr))
1660	return hr;
1661
1662	/* Assign current values to not changing parameters. */
1663	if (aWidth == 0)
1664	aWidth = ulWidth;
1665	if (aHeight == 0)
1666	aHeight = ulHeight;
1667	if (aBitsPerPixel == 0)
1668	aBitsPerPixel = ulBitsPerPixel;
1669	}
1670
1671	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1672
1673	if (aDisplay >= mcMonitors)
1674	return E_INVALIDARG;
1675
1676	VMMDevDisplayDef d;
1677	d.idDisplay = aDisplay;
1678	d.xOrigin = aOriginX;
1679	d.yOrigin = aOriginY;
1680	d.cx = aWidth;
1681	d.cy = aHeight;
1682	d.cBitsPerPixel = aBitsPerPixel;
1683	d.fDisplayFlags = VMMDEV_DISPLAY_CX \| VMMDEV_DISPLAY_CY \| VMMDEV_DISPLAY_BPP;
1684	if (!aEnabled)
1685	d.fDisplayFlags \|= VMMDEV_DISPLAY_DISABLED;
1686	if (aChangeOrigin)
1687	d.fDisplayFlags \|= VMMDEV_DISPLAY_ORIGIN;
1688	if (aDisplay == 0)
1689	d.fDisplayFlags \|= VMMDEV_DISPLAY_PRIMARY;
1690
1691	/* Remember the monitor information. */
1692	maFramebuffers[aDisplay].monitorDesc = d;
1693
1694	CHECK_CONSOLE_DRV(mpDrv);
1695
1696	/*
1697	* It is up to the guest to decide whether the hint is
1698	* valid. Therefore don't do any VRAM sanity checks here.
1699	*/
1700
1701	/* Have to release the lock because the pfnRequestDisplayChange
1702	* will call EMT. */
1703	alock.release();
1704
1705	/* We always send the hint to the graphics card in case the guest enables
1706	* support later. For now we notify exactly when support is enabled. */
1707	mpDrv->pUpPort->pfnSendModeHint(mpDrv->pUpPort, aWidth, aHeight,
1708	aBitsPerPixel, aDisplay,
1709	aChangeOrigin ? aOriginX : ~0,
1710	aChangeOrigin ? aOriginY : ~0,
1711	RT_BOOL(aEnabled),
1712	(mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS)
1713	&& aNotify);
1714	if ( mfGuestVBVACapabilities & VBVACAPS_VIDEO_MODE_HINTS
1715	&& !(mfGuestVBVACapabilities & VBVACAPS_IRQ)
1716	&& aNotify)
1717	mParent->i_sendACPIMonitorHotPlugEvent();
1718
1719	/* We currently never suppress the VMMDev hint if the guest has requested
1720	* it. Specifically the video graphics driver may not be responsible for
1721	* screen positioning in the guest virtual desktop, and the component
1722	* responsible may want to get the hint from VMMDev. */
1723	VMMDev *pVMMDev = mParent->i_getVMMDev();
1724	if (pVMMDev)
1725	{
1726	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1727	if (pVMMDevPort)
1728	pVMMDevPort->pfnRequestDisplayChange(pVMMDevPort, 1, &d, false, RT_BOOL(aNotify));
1729	}
1730	/* Notify listeners. */
1731	::FireGuestMonitorInfoChangedEvent(mParent->i_getEventSource(), aDisplay);
1732	return S_OK;
1733	}
1734
1735	HRESULT Display::getVideoModeHint(ULONG cDisplay, BOOL *pfEnabled,
1736	BOOL pfChangeOrigin, LONG pxOrigin, LONG *pyOrigin,
1737	ULONG pcx, ULONG pcy, ULONG *pcBitsPerPixel)
1738	{
1739	if (cDisplay >= mcMonitors)
1740	return E_INVALIDARG;
1741
1742	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1743	if (pfEnabled)
1744	*pfEnabled = !( maFramebuffers[cDisplay].monitorDesc.fDisplayFlags
1745	& VMMDEV_DISPLAY_DISABLED);
1746	if (pfChangeOrigin)
1747	*pfChangeOrigin = RT_BOOL( maFramebuffers[cDisplay].monitorDesc.fDisplayFlags
1748	& VMMDEV_DISPLAY_ORIGIN);
1749	if (pxOrigin)
1750	*pxOrigin = maFramebuffers[cDisplay].monitorDesc.xOrigin;
1751	if (pyOrigin)
1752	*pyOrigin = maFramebuffers[cDisplay].monitorDesc.yOrigin;
1753	if (pcx)
1754	*pcx = maFramebuffers[cDisplay].monitorDesc.cx;
1755	if (pcy)
1756	*pcy = maFramebuffers[cDisplay].monitorDesc.cy;
1757	if (pcBitsPerPixel)
1758	*pcBitsPerPixel = maFramebuffers[cDisplay].monitorDesc.cBitsPerPixel;
1759	return S_OK;
1760	}
1761
1762	HRESULT Display::setSeamlessMode(BOOL enabled)
1763	{
1764	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1765
1766	/* Have to release the lock because the pfnRequestSeamlessChange will call EMT. */
1767	alock.release();
1768
1769	VMMDev *pVMMDev = mParent->i_getVMMDev();
1770	if (pVMMDev)
1771	{
1772	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1773	if (pVMMDevPort)
1774	pVMMDevPort->pfnRequestSeamlessChange(pVMMDevPort, !!enabled);
1775	}
1776	mfSeamlessEnabled = RT_BOOL(enabled);
1777	return S_OK;
1778	}
1779
1780	/static/ DECLCALLBACK(int)
1781	Display::i_displayTakeScreenshotEMT(Display pDisplay, ULONG aScreenId, uint8_t ppbData, size_t pcbData,
1782	uint32_t pcx, uint32_t pcy, bool *pfMemFree)
1783	{
1784	int vrc;
1785	if ( aScreenId == VBOX_VIDEO_PRIMARY_SCREEN
1786	&& pDisplay->maFramebuffers[aScreenId].fVBVAEnabled == false) /* A non-VBVA mode. */
1787	{
1788	if (pDisplay->mpDrv)
1789	{
1790	vrc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppbData, pcbData, pcx, pcy);
1791	*pfMemFree = false;
1792	}
1793	else
1794	{
1795	/* No image. */
1796	*ppbData = NULL;
1797	*pcbData = 0;
1798	*pcx = 0;
1799	*pcy = 0;
1800	*pfMemFree = true;
1801	vrc = VINF_SUCCESS;
1802	}
1803	}
1804	else if (aScreenId < pDisplay->mcMonitors)
1805	{
1806	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
1807
1808	uint32_t width = pFBInfo->w;
1809	uint32_t height = pFBInfo->h;
1810
1811	/* Allocate 32 bit per pixel bitmap. */
1812	size_t cbRequired = width * 4 * height;
1813
1814	if (cbRequired)
1815	{
1816	uint8_t pbDst = (uint8_t )RTMemAlloc(cbRequired);
1817	if (pbDst != NULL)
1818	{
1819	if (pFBInfo->flags & VBVA_SCREEN_F_ACTIVE)
1820	{
1821	/* Copy guest VRAM to the allocated 32bpp buffer. */
1822	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
1823	int32_t xSrc = 0;
1824	int32_t ySrc = 0;
1825	uint32_t u32SrcWidth = width;
1826	uint32_t u32SrcHeight = height;
1827	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
1828	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
1829
1830	int32_t xDst = 0;
1831	int32_t yDst = 0;
1832	uint32_t u32DstWidth = u32SrcWidth;
1833	uint32_t u32DstHeight = u32SrcHeight;
1834	uint32_t u32DstLineSize = u32DstWidth * 4;
1835	uint32_t u32DstBitsPerPixel = 32;
1836
1837	vrc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
1838	width, height,
1839	pu8Src,
1840	xSrc, ySrc,
1841	u32SrcWidth, u32SrcHeight,
1842	u32SrcLineSize, u32SrcBitsPerPixel,
1843	pbDst,
1844	xDst, yDst,
1845	u32DstWidth, u32DstHeight,
1846	u32DstLineSize, u32DstBitsPerPixel);
1847	}
1848	else
1849	{
1850	memset(pbDst, 0, cbRequired);
1851	vrc = VINF_SUCCESS;
1852	}
1853	if (RT_SUCCESS(vrc))
1854	{
1855	*ppbData = pbDst;
1856	*pcbData = cbRequired;
1857	*pcx = width;
1858	*pcy = height;
1859	*pfMemFree = true;
1860	}
1861	else
1862	{
1863	RTMemFree(pbDst);
1864
1865	/* CopyRect can fail if VBVA was paused in VGA device, retry using the generic method. */
1866	if ( vrc == VERR_INVALID_STATE
1867	&& aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1868	{
1869	vrc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppbData, pcbData, pcx, pcy);
1870	*pfMemFree = false;
1871	}
1872	}
1873	}
1874	else
1875	vrc = VERR_NO_MEMORY;
1876	}
1877	else
1878	{
1879	/* No image. */
1880	*ppbData = NULL;
1881	*pcbData = 0;
1882	*pcx = 0;
1883	*pcy = 0;
1884	*pfMemFree = true;
1885	vrc = VINF_SUCCESS;
1886	}
1887	}
1888	else
1889	vrc = VERR_INVALID_PARAMETER;
1890	return vrc;
1891	}
1892
1893	static int i_displayTakeScreenshot(PUVM pUVM, PCVMMR3VTABLE pVMM, Display pDisplay, struct DRVMAINDISPLAY pDrv,
1894	ULONG aScreenId, BYTE *address, ULONG width, ULONG height)
1895	{
1896	uint8_t *pbData = NULL;
1897	size_t cbData = 0;
1898	uint32_t cx = 0;
1899	uint32_t cy = 0;
1900	bool fFreeMem = false;
1901	int vrc = VINF_SUCCESS;
1902
1903	int cRetries = 5;
1904	while (cRetries-- > 0)
1905	{
1906	/* Note! Not sure if the priority call is such a good idea here, but
1907	it would be nice to have an accurate screenshot for the bug
1908	report if the VM deadlocks. */
1909	vrc = pVMM->pfnVMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)Display::i_displayTakeScreenshotEMT, 7,
1910	pDisplay, aScreenId, &pbData, &cbData, &cx, &cy, &fFreeMem);
1911	if (vrc != VERR_TRY_AGAIN)
1912	{
1913	break;
1914	}
1915
1916	RTThreadSleep(10);
1917	}
1918
1919	if (RT_SUCCESS(vrc) && pbData)
1920	{
1921	if (cx == width && cy == height)
1922	{
1923	/* No scaling required. */
1924	memcpy(address, pbData, cbData);
1925	}
1926	else
1927	{
1928	/* Scale. */
1929	LogRelFlowFunc(("SCALE: %dx%d -> %dx%d\n", cx, cy, width, height));
1930
1931	uint8_t *dst = address;
1932	uint8_t *src = pbData;
1933	int dstW = width;
1934	int dstH = height;
1935	int srcW = cx;
1936	int srcH = cy;
1937	int iDeltaLine = cx * 4;
1938
1939	BitmapScale32(dst,
1940	dstW, dstH,
1941	src,
1942	iDeltaLine,
1943	srcW, srcH);
1944	}
1945
1946	if (fFreeMem)
1947	RTMemFree(pbData);
1948	else
1949	{
1950	/* This can be called from any thread. */
1951	pDrv->pUpPort->pfnFreeScreenshot(pDrv->pUpPort, pbData);
1952	}
1953	}
1954
1955	return vrc;
1956	}
1957
1958	HRESULT Display::takeScreenShotWorker(ULONG aScreenId,
1959	BYTE *aAddress,
1960	ULONG aWidth,
1961	ULONG aHeight,
1962	BitmapFormat_T aBitmapFormat,
1963	ULONG *pcbOut)
1964	{
1965	HRESULT hrc = S_OK;
1966
1967	/* Do not allow too small and too large screenshots. This also filters out negative
1968	* values passed as either 'aWidth' or 'aHeight'.
1969	*/
1970	CheckComArgExpr(aWidth, aWidth != 0 && aWidth <= 32767);
1971	CheckComArgExpr(aHeight, aHeight != 0 && aHeight <= 32767);
1972
1973	if ( aBitmapFormat != BitmapFormat_BGR0
1974	&& aBitmapFormat != BitmapFormat_BGRA
1975	&& aBitmapFormat != BitmapFormat_RGBA
1976	&& aBitmapFormat != BitmapFormat_PNG)
1977	{
1978	return setError(E_NOTIMPL,
1979	tr("Unsupported screenshot format 0x%08X"), aBitmapFormat);
1980	}
1981
1982	Console::SafeVMPtr ptrVM(mParent);
1983	if (!ptrVM.isOk())
1984	return ptrVM.rc();
1985
1986	int vrc = i_displayTakeScreenshot(ptrVM.rawUVM(), ptrVM.vtable(), this, mpDrv, aScreenId, aAddress, aWidth, aHeight);
1987	if (RT_SUCCESS(vrc))
1988	{
1989	const size_t cbData = aWidth * 4 * aHeight;
1990
1991	/* Most of uncompressed formats. */
1992	*pcbOut = (ULONG)cbData;
1993
1994	if (aBitmapFormat == BitmapFormat_BGR0)
1995	{
1996	/* Do nothing. */
1997	}
1998	else if (aBitmapFormat == BitmapFormat_BGRA)
1999	{
2000	uint32_t pu32 = (uint32_t )aAddress;
2001	size_t cPixels = aWidth * aHeight;
2002	while (cPixels--)
2003	*pu32++ \|= UINT32_C(0xFF000000);
2004	}
2005	else if (aBitmapFormat == BitmapFormat_RGBA)
2006	{
2007	uint8_t *pu8 = aAddress;
2008	size_t cPixels = aWidth * aHeight;
2009	while (cPixels--)
2010	{
2011	uint8_t u8 = pu8[0];
2012	pu8[0] = pu8[2];
2013	pu8[2] = u8;
2014	pu8[3] = 0xFF;
2015
2016	pu8 += 4;
2017	}
2018	}
2019	else if (aBitmapFormat == BitmapFormat_PNG)
2020	{
2021	uint8_t *pu8PNG = NULL;
2022	uint32_t cbPNG = 0;
2023	uint32_t cxPNG = 0;
2024	uint32_t cyPNG = 0;
2025
2026	vrc = DisplayMakePNG(aAddress, aWidth, aHeight, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 0);
2027	if (RT_SUCCESS(vrc))
2028	{
2029	if (cbPNG <= cbData)
2030	{
2031	memcpy(aAddress, pu8PNG, cbPNG);
2032	*pcbOut = cbPNG;
2033	}
2034	else
2035	hrc = setError(E_FAIL, tr("PNG is larger than 32bpp bitmap"));
2036	}
2037	else
2038	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not convert screenshot to PNG (%Rrc)"), vrc);
2039	RTMemFree(pu8PNG);
2040	}
2041	}
2042	else if (vrc == VERR_TRY_AGAIN)
2043	hrc = setErrorBoth(E_UNEXPECTED, vrc, tr("Screenshot is not available at this time"));
2044	else if (RT_FAILURE(vrc))
2045	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not take a screenshot (%Rrc)"), vrc);
2046
2047	return hrc;
2048	}
2049
2050	HRESULT Display::takeScreenShot(ULONG aScreenId,
2051	BYTE *aAddress,
2052	ULONG aWidth,
2053	ULONG aHeight,
2054	BitmapFormat_T aBitmapFormat)
2055	{
2056	LogRelFlowFunc(("[%d] address=%p, width=%d, height=%d, format 0x%08X\n",
2057	aScreenId, aAddress, aWidth, aHeight, aBitmapFormat));
2058
2059	ULONG cbOut = 0;
2060	HRESULT hrc = takeScreenShotWorker(aScreenId, aAddress, aWidth, aHeight, aBitmapFormat, &cbOut);
2061	NOREF(cbOut);
2062
2063	LogRelFlowFunc(("%Rhrc\n", hrc));
2064	return hrc;
2065	}
2066
2067	HRESULT Display::takeScreenShotToArray(ULONG aScreenId,
2068	ULONG aWidth,
2069	ULONG aHeight,
2070	BitmapFormat_T aBitmapFormat,
2071	std::vector<BYTE> &aScreenData)
2072	{
2073	LogRelFlowFunc(("[%d] width=%d, height=%d, format 0x%08X\n",
2074	aScreenId, aWidth, aHeight, aBitmapFormat));
2075
2076	/* Do not allow too small and too large screenshots. This also filters out negative
2077	* values passed as either 'aWidth' or 'aHeight'.
2078	*/
2079	CheckComArgExpr(aWidth, aWidth != 0 && aWidth <= 32767);
2080	CheckComArgExpr(aHeight, aHeight != 0 && aHeight <= 32767);
2081
2082	const size_t cbData = aWidth * 4 * aHeight;
2083	aScreenData.resize(cbData);
2084
2085	ULONG cbOut = 0;
2086	HRESULT hrc = takeScreenShotWorker(aScreenId, &aScreenData.front(), aWidth, aHeight, aBitmapFormat, &cbOut);
2087	if (FAILED(hrc))
2088	cbOut = 0;
2089
2090	aScreenData.resize(cbOut);
2091
2092	LogRelFlowFunc(("%Rhrc\n", hrc));
2093	return hrc;
2094	}
2095
2096	#ifdef VBOX_WITH_RECORDING
2097	/**
2098	* Invalidates the recording configuration.
2099	*
2100	* @returns IPRT status code.
2101	*/
2102	int Display::i_recordingInvalidate(void)
2103	{
2104	RecordingContext *pCtx = mParent->i_recordingGetContext();
2105	if (!pCtx \|\| !pCtx->IsStarted())
2106	return VINF_SUCCESS;
2107
2108	/*
2109	* Invalidate screens.
2110	*/
2111	for (unsigned uScreen = 0; uScreen < mcMonitors; uScreen++)
2112	{
2113	RecordingStream *pRecordingStream = pCtx->GetStream(uScreen);
2114
2115	const bool fStreamEnabled = pRecordingStream->IsReady();
2116	bool fChanged = maRecordingEnabled[uScreen] != fStreamEnabled;
2117
2118	maRecordingEnabled[uScreen] = fStreamEnabled;
2119
2120	if (fChanged && uScreen < mcMonitors)
2121	i_recordingScreenChanged(uScreen);
2122	}
2123
2124	return VINF_SUCCESS;
2125	}
2126
2127	void Display::i_recordingScreenChanged(unsigned uScreenId)
2128	{
2129	RecordingContext *pCtx = mParent->i_recordingGetContext();
2130
2131	i_UpdateDeviceCursorCapabilities();
2132	if ( RT_LIKELY(!maRecordingEnabled[uScreenId])
2133	\|\| !pCtx \|\| !pCtx->IsStarted())
2134	{
2135	/* Skip recording this screen. */
2136	return;
2137	}
2138
2139	/* Get a new source bitmap which will be used by video recording code. */
2140	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
2141	QuerySourceBitmap(uScreenId, pSourceBitmap.asOutParam());
2142
2143	int vrc2 = RTCritSectEnter(&mVideoRecLock);
2144	if (RT_SUCCESS(vrc2))
2145	{
2146	maFramebuffers[uScreenId].Recording.pSourceBitmap = pSourceBitmap;
2147
2148	vrc2 = RTCritSectLeave(&mVideoRecLock);
2149	AssertRC(vrc2);
2150	}
2151	}
2152	#endif /* VBOX_WITH_RECORDING */
2153
2154	/static/ DECLCALLBACK(int)
2155	Display::i_drawToScreenEMT(Display pDisplay, ULONG aScreenId, BYTE address, ULONG x, ULONG y, ULONG width, ULONG height)
2156	{
2157	int vrc = VINF_SUCCESS;
2158
2159	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
2160
2161	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2162	{
2163	vrc = pDisplay->mpDrv->pUpPort->pfnDisplayBlt(pDisplay->mpDrv->pUpPort, address, x, y, width, height);
2164	}
2165	else if (aScreenId < pDisplay->mcMonitors)
2166	{
2167	/* Copy the bitmap to the guest VRAM. */
2168	const uint8_t *pu8Src = address;
2169	int32_t xSrc = 0;
2170	int32_t ySrc = 0;
2171	uint32_t u32SrcWidth = width;
2172	uint32_t u32SrcHeight = height;
2173	uint32_t u32SrcLineSize = width * 4;
2174	uint32_t u32SrcBitsPerPixel = 32;
2175
2176	uint8_t *pu8Dst = pFBInfo->pu8FramebufferVRAM;
2177	int32_t xDst = x;
2178	int32_t yDst = y;
2179	uint32_t u32DstWidth = pFBInfo->w;
2180	uint32_t u32DstHeight = pFBInfo->h;
2181	uint32_t u32DstLineSize = pFBInfo->u32LineSize;
2182	uint32_t u32DstBitsPerPixel = pFBInfo->u16BitsPerPixel;
2183
2184	vrc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2185	width, height,
2186	pu8Src,
2187	xSrc, ySrc,
2188	u32SrcWidth, u32SrcHeight,
2189	u32SrcLineSize, u32SrcBitsPerPixel,
2190	pu8Dst,
2191	xDst, yDst,
2192	u32DstWidth, u32DstHeight,
2193	u32DstLineSize, u32DstBitsPerPixel);
2194	if (RT_SUCCESS(vrc))
2195	{
2196	if (!pFBInfo->pSourceBitmap.isNull())
2197	{
2198	/* Update the changed screen area. When source bitmap uses VRAM directly, just notify
2199	* frontend to update. And for default format, render the guest VRAM to the source bitmap.
2200	*/
2201	if ( pFBInfo->fDefaultFormat
2202	&& !pFBInfo->fDisabled)
2203	{
2204	BYTE *pAddress = NULL;
2205	ULONG ulWidth = 0;
2206	ULONG ulHeight = 0;
2207	ULONG ulBitsPerPixel = 0;
2208	ULONG ulBytesPerLine = 0;
2209	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2210
2211	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2212	&ulWidth,
2213	&ulHeight,
2214	&ulBitsPerPixel,
2215	&ulBytesPerLine,
2216	&bitmapFormat);
2217	if (SUCCEEDED(hrc))
2218	{
2219	pu8Src = pFBInfo->pu8FramebufferVRAM;
2220	xSrc = x;
2221	ySrc = y;
2222	u32SrcWidth = pFBInfo->w;
2223	u32SrcHeight = pFBInfo->h;
2224	u32SrcLineSize = pFBInfo->u32LineSize;
2225	u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2226
2227	/* Default format is 32 bpp. */
2228	pu8Dst = pAddress;
2229	xDst = xSrc;
2230	yDst = ySrc;
2231	u32DstWidth = u32SrcWidth;
2232	u32DstHeight = u32SrcHeight;
2233	u32DstLineSize = u32DstWidth * 4;
2234	u32DstBitsPerPixel = 32;
2235
2236	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2237	width, height,
2238	pu8Src,
2239	xSrc, ySrc,
2240	u32SrcWidth, u32SrcHeight,
2241	u32SrcLineSize, u32SrcBitsPerPixel,
2242	pu8Dst,
2243	xDst, yDst,
2244	u32DstWidth, u32DstHeight,
2245	u32DstLineSize, u32DstBitsPerPixel);
2246	}
2247	}
2248	}
2249
2250	pDisplay->i_handleDisplayUpdate(aScreenId, x, y, width, height);
2251	}
2252	}
2253	else
2254	{
2255	vrc = VERR_INVALID_PARAMETER;
2256	}
2257
2258	if (RT_SUCCESS(vrc))
2259	pDisplay->mParent->i_consoleVRDPServer()->SendUpdateBitmap(aScreenId, x, y, width, height);
2260
2261	return vrc;
2262	}
2263
2264	HRESULT Display::drawToScreen(ULONG aScreenId, BYTE *aAddress, ULONG aX, ULONG aY, ULONG aWidth, ULONG aHeight)
2265	{
2266	/// @todo (r=dmik) this function may take too long to complete if the VM
2267	// is doing something like saving state right now. Which, in case if it
2268	// is called on the GUI thread, will make it unresponsive. We should
2269	// check the machine state here (by enclosing the check and VMRequCall
2270	// within the Console lock to make it atomic).
2271
2272	LogRelFlowFunc(("aAddress=%p, x=%d, y=%d, width=%d, height=%d\n",
2273	(void *)aAddress, aX, aY, aWidth, aHeight));
2274
2275	CheckComArgExpr(aWidth, aWidth != 0);
2276	CheckComArgExpr(aHeight, aHeight != 0);
2277
2278	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2279
2280	CHECK_CONSOLE_DRV(mpDrv);
2281
2282	Console::SafeVMPtr ptrVM(mParent);
2283	if (!ptrVM.isOk())
2284	return ptrVM.rc();
2285
2286	/* Release lock because the call scheduled on EMT may also try to take it. */
2287	alock.release();
2288
2289	/*
2290	* Again we're lazy and make the graphics device do all the
2291	* dirty conversion work.
2292	*/
2293	int vrc = ptrVM.vtable()->pfnVMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_drawToScreenEMT, 7,
2294	this, aScreenId, aAddress, aX, aY, aWidth, aHeight);
2295
2296	/*
2297	* If the function returns not supported, we'll have to do all the
2298	* work ourselves using the framebuffer.
2299	*/
2300	HRESULT hrc = S_OK;
2301	if (vrc == VERR_NOT_SUPPORTED \|\| vrc == VERR_NOT_IMPLEMENTED)
2302	{
2303	/** @todo implement generic fallback for screen blitting. */
2304	hrc = E_NOTIMPL;
2305	}
2306	else if (RT_FAILURE(vrc))
2307	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not draw to the screen (%Rrc)"), vrc);
2308	/// @todo
2309	// else
2310	// {
2311	// /* All ok. Redraw the screen. */
2312	// handleDisplayUpdate(x, y, width, height);
2313	// }
2314
2315	LogRelFlowFunc(("hrc=%Rhrc\n", hrc));
2316	return hrc;
2317	}
2318
2319	/** @todo r=bird: cannot quite see why this would be required to run on an
2320	* EMT any more. It's not an issue in the COM methods, but for the
2321	* VGA device interface it is an issue, see querySourceBitmap. */
2322	/static/ DECLCALLBACK(int) Display::i_InvalidateAndUpdateEMT(Display *pDisplay, unsigned uId, bool fUpdateAll)
2323	{
2324	LogRelFlowFunc(("uId=%d, fUpdateAll %d\n", uId, fUpdateAll));
2325
2326	unsigned uScreenId;
2327	for (uScreenId = (fUpdateAll ? 0 : uId); uScreenId < pDisplay->mcMonitors; uScreenId++)
2328	{
2329	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
2330
2331	if ( !pFBInfo->fVBVAEnabled
2332	&& uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2333	pDisplay->mpDrv->pUpPort->pfnUpdateDisplayAll(pDisplay->mpDrv->pUpPort, /* fFailOnResize = */ true);
2334	else
2335	{
2336	if (!pFBInfo->fDisabled)
2337	{
2338	/* Render complete VRAM screen to the framebuffer.
2339	* When framebuffer uses VRAM directly, just notify it to update.
2340	*/
2341	if (pFBInfo->fDefaultFormat && !pFBInfo->pSourceBitmap.isNull())
2342	{
2343	BYTE *pAddress = NULL;
2344	ULONG ulWidth = 0;
2345	ULONG ulHeight = 0;
2346	ULONG ulBitsPerPixel = 0;
2347	ULONG ulBytesPerLine = 0;
2348	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2349
2350	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2351	&ulWidth,
2352	&ulHeight,
2353	&ulBitsPerPixel,
2354	&ulBytesPerLine,
2355	&bitmapFormat);
2356	if (SUCCEEDED(hrc))
2357	{
2358	uint32_t width = pFBInfo->w;
2359	uint32_t height = pFBInfo->h;
2360
2361	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
2362	int32_t xSrc = 0;
2363	int32_t ySrc = 0;
2364	uint32_t u32SrcWidth = pFBInfo->w;
2365	uint32_t u32SrcHeight = pFBInfo->h;
2366	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
2367	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2368
2369	/* Default format is 32 bpp. */
2370	uint8_t *pu8Dst = pAddress;
2371	int32_t xDst = xSrc;
2372	int32_t yDst = ySrc;
2373	uint32_t u32DstWidth = u32SrcWidth;
2374	uint32_t u32DstHeight = u32SrcHeight;
2375	uint32_t u32DstLineSize = u32DstWidth * 4;
2376	uint32_t u32DstBitsPerPixel = 32;
2377
2378	/* if uWidth != pFBInfo->w and uHeight != pFBInfo->h
2379	* implies resize of Framebuffer is in progress and
2380	* copyrect should not be called.
2381	*/
2382	if (ulWidth == pFBInfo->w && ulHeight == pFBInfo->h)
2383	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2384	width, height,
2385	pu8Src,
2386	xSrc, ySrc,
2387	u32SrcWidth, u32SrcHeight,
2388	u32SrcLineSize, u32SrcBitsPerPixel,
2389	pu8Dst,
2390	xDst, yDst,
2391	u32DstWidth, u32DstHeight,
2392	u32DstLineSize, u32DstBitsPerPixel);
2393	}
2394	}
2395
2396	pDisplay->i_handleDisplayUpdate(uScreenId, 0, 0, pFBInfo->w, pFBInfo->h);
2397	}
2398	}
2399	if (!fUpdateAll)
2400	break;
2401	}
2402	LogRelFlowFunc(("done\n"));
2403	return VINF_SUCCESS;
2404	}
2405
2406	/**
2407	* Does a full invalidation of the VM display and instructs the VM
2408	* to update it immediately.
2409	*
2410	* @returns COM status code
2411	*/
2412
2413	HRESULT Display::invalidateAndUpdate()
2414	{
2415	LogRelFlowFunc(("\n"));
2416
2417	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2418
2419	CHECK_CONSOLE_DRV(mpDrv);
2420
2421	Console::SafeVMPtr ptrVM(mParent);
2422	HRESULT hrc = ptrVM.rc();
2423	if (SUCCEEDED(hrc))
2424	{
2425	LogRelFlowFunc(("Sending DPYUPDATE request\n"));
2426
2427	/* Have to release the lock when calling EMT. */
2428	alock.release();
2429
2430	int vrc = ptrVM.vtable()->pfnVMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2431	3, this, 0, true);
2432	alock.acquire();
2433
2434	if (RT_FAILURE(vrc))
2435	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("Could not invalidate and update the screen (%Rrc)"), vrc);
2436	}
2437
2438	LogRelFlowFunc(("hrc=%Rhrc\n", hrc));
2439	return hrc;
2440	}
2441
2442	HRESULT Display::invalidateAndUpdateScreen(ULONG aScreenId)
2443	{
2444	LogRelFlowFunc(("\n"));
2445
2446	Console::SafeVMPtr ptrVM(mParent);
2447	HRESULT hrc = ptrVM.rc();
2448	if (SUCCEEDED(hrc))
2449	{
2450	int vrc = ptrVM.vtable()->pfnVMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2451	3, this, aScreenId, false);
2452	if (RT_FAILURE(vrc))
2453	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Could not invalidate and update the screen %d (%Rrc)"), aScreenId, vrc);
2454	}
2455
2456	LogRelFlowFunc(("hrc=%Rhrc\n", hrc));
2457	return hrc;
2458	}
2459
2460	HRESULT Display::completeVHWACommand(BYTE *aCommand)
2461	{
2462	#ifdef VBOX_WITH_VIDEOHWACCEL
2463	mpDrv->pVBVACallbacks->pfnVHWACommandCompleteAsync(mpDrv->pVBVACallbacks, (VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *)aCommand);
2464	return S_OK;
2465	#else
2466	RT_NOREF(aCommand);
2467	return E_NOTIMPL;
2468	#endif
2469	}
2470
2471	HRESULT Display::viewportChanged(ULONG aScreenId, ULONG aX, ULONG aY, ULONG aWidth, ULONG aHeight)
2472	{
2473	AssertMsgReturn(aScreenId < mcMonitors, ("aScreendId=%d mcMonitors=%d\n", aScreenId, mcMonitors), E_INVALIDARG);
2474
2475	/* The driver might not have been constructed yet */
2476	if (mpDrv && mpDrv->pUpPort->pfnSetViewport)
2477	mpDrv->pUpPort->pfnSetViewport(mpDrv->pUpPort, aScreenId, aX, aY, aWidth, aHeight);
2478
2479	return S_OK;
2480	}
2481
2482	HRESULT Display::querySourceBitmap(ULONG aScreenId,
2483	ComPtr<IDisplaySourceBitmap> &aDisplaySourceBitmap)
2484	{
2485	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2486
2487	Console::SafeVMPtr ptrVM(mParent);
2488	if (!ptrVM.isOk())
2489	return ptrVM.rc();
2490
2491	CHECK_CONSOLE_DRV(mpDrv);
2492
2493	bool fSetRenderVRAM = false;
2494	bool fInvalidate = false;
2495
2496	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2497
2498	if (aScreenId >= mcMonitors)
2499	return setError(E_INVALIDARG, tr("QuerySourceBitmap: Invalid screen %d (total %d)"), aScreenId, mcMonitors);
2500
2501	if (!mfSourceBitmapEnabled)
2502	{
2503	aDisplaySourceBitmap = NULL;
2504	return E_FAIL;
2505	}
2506
2507	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2508
2509	/* No source bitmap for a blank guest screen. */
2510	if (pFBInfo->flags & VBVA_SCREEN_F_BLANK)
2511	{
2512	aDisplaySourceBitmap = NULL;
2513	return E_FAIL;
2514	}
2515
2516	HRESULT hr = S_OK;
2517
2518	if (pFBInfo->pSourceBitmap.isNull())
2519	{
2520	/* Create a new object. */
2521	ComObjPtr<DisplaySourceBitmap> obj;
2522	hr = obj.createObject();
2523	if (SUCCEEDED(hr))
2524	hr = obj->init(this, aScreenId, pFBInfo);
2525
2526	if (SUCCEEDED(hr))
2527	{
2528	pFBInfo->pSourceBitmap = obj;
2529	pFBInfo->fDefaultFormat = !obj->i_usesVRAM();
2530
2531	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2532	{
2533	/* Start buffer updates. */
2534	BYTE *pAddress = NULL;
2535	ULONG ulWidth = 0;
2536	ULONG ulHeight = 0;
2537	ULONG ulBitsPerPixel = 0;
2538	ULONG ulBytesPerLine = 0;
2539	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
2540
2541	pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
2542	&ulWidth,
2543	&ulHeight,
2544	&ulBitsPerPixel,
2545	&ulBytesPerLine,
2546	&bitmapFormat);
2547
2548	mpDrv->IConnector.pbData = pAddress;
2549	mpDrv->IConnector.cbScanline = ulBytesPerLine;
2550	mpDrv->IConnector.cBits = ulBitsPerPixel;
2551	mpDrv->IConnector.cx = ulWidth;
2552	mpDrv->IConnector.cy = ulHeight;
2553
2554	fSetRenderVRAM = pFBInfo->fDefaultFormat;
2555	}
2556
2557	/* Make sure that the bitmap contains the latest image. */
2558	fInvalidate = pFBInfo->fDefaultFormat;
2559	}
2560	}
2561
2562	if (SUCCEEDED(hr))
2563	{
2564	pFBInfo->pSourceBitmap.queryInterfaceTo(aDisplaySourceBitmap.asOutParam());
2565	}
2566
2567	/* Leave the IDisplay lock because the VGA device must not be called under it. */
2568	alock.release();
2569
2570	if (SUCCEEDED(hr))
2571	{
2572	if (fSetRenderVRAM)
2573	mpDrv->pUpPort->pfnSetRenderVRAM(mpDrv->pUpPort, true);
2574
2575	if (fInvalidate)
2576	#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. */
2577	Display::i_InvalidateAndUpdateEMT(this, aScreenId, false /fUpdateAll/);
2578	#else
2579	VMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::i_InvalidateAndUpdateEMT,
2580	3, this, aScreenId, false);
2581	#endif
2582	}
2583
2584	LogRelFlowFunc(("%Rhrc\n", hr));
2585	return hr;
2586	}
2587
2588	HRESULT Display::getGuestScreenLayout(std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenLayout)
2589	{
2590	NOREF(aGuestScreenLayout);
2591	return E_NOTIMPL;
2592	}
2593
2594	HRESULT Display::setScreenLayout(ScreenLayoutMode_T aScreenLayoutMode,
2595	const std::vector<ComPtr<IGuestScreenInfo> > &aGuestScreenInfo)
2596	{
2597	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2598
2599	if (aGuestScreenInfo.size() != mcMonitors)
2600	return E_INVALIDARG;
2601
2602	CHECK_CONSOLE_DRV(mpDrv);
2603
2604	/*
2605	* It is up to the guest to decide whether the hint is
2606	* valid. Therefore don't do any VRAM sanity checks here.
2607	*/
2608
2609	/* Have to release the lock because the pfnRequestDisplayChange
2610	* will call EMT. */
2611	alock.release();
2612
2613	VMMDev *pVMMDev = mParent->i_getVMMDev();
2614	if (pVMMDev)
2615	{
2616	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
2617	if (pVMMDevPort)
2618	{
2619	uint32_t const cDisplays = (uint32_t)aGuestScreenInfo.size();
2620
2621	size_t const cbAlloc = cDisplays * sizeof(VMMDevDisplayDef);
2622	VMMDevDisplayDef paDisplayDefs = (VMMDevDisplayDef )RTMemAlloc(cbAlloc);
2623	if (paDisplayDefs)
2624	{
2625	for (uint32_t i = 0; i < cDisplays; ++i)
2626	{
2627	VMMDevDisplayDef *p = &paDisplayDefs[i];
2628	ComPtr<IGuestScreenInfo> pScreenInfo = aGuestScreenInfo[i];
2629
2630	ULONG screenId = 0;
2631	GuestMonitorStatus_T guestMonitorStatus = GuestMonitorStatus_Enabled;
2632	BOOL origin = FALSE;
2633	BOOL primary = FALSE;
2634	LONG originX = 0;
2635	LONG originY = 0;
2636	ULONG width = 0;
2637	ULONG height = 0;
2638	ULONG bitsPerPixel = 0;
2639
2640	pScreenInfo->COMGETTER(ScreenId) (&screenId);
2641	pScreenInfo->COMGETTER(GuestMonitorStatus)(&guestMonitorStatus);
2642	pScreenInfo->COMGETTER(Primary) (&primary);
2643	pScreenInfo->COMGETTER(Origin) (&origin);
2644	pScreenInfo->COMGETTER(OriginX) (&originX);
2645	pScreenInfo->COMGETTER(OriginY) (&originY);
2646	pScreenInfo->COMGETTER(Width) (&width);
2647	pScreenInfo->COMGETTER(Height) (&height);
2648	pScreenInfo->COMGETTER(BitsPerPixel)(&bitsPerPixel);
2649
2650	LogFlowFunc(("%d %d,%d %dx%d\n", screenId, originX, originY, width, height));
2651
2652	p->idDisplay = screenId;
2653	p->xOrigin = originX;
2654	p->yOrigin = originY;
2655	p->cx = width;
2656	p->cy = height;
2657	p->cBitsPerPixel = bitsPerPixel;
2658	p->fDisplayFlags = VMMDEV_DISPLAY_CX \| VMMDEV_DISPLAY_CY \| VMMDEV_DISPLAY_BPP;
2659	if (guestMonitorStatus == GuestMonitorStatus_Disabled)
2660	p->fDisplayFlags \|= VMMDEV_DISPLAY_DISABLED;
2661	if (origin)
2662	p->fDisplayFlags \|= VMMDEV_DISPLAY_ORIGIN;
2663	if (primary)
2664	p->fDisplayFlags \|= VMMDEV_DISPLAY_PRIMARY;
2665	}
2666
2667	bool const fForce = aScreenLayoutMode == ScreenLayoutMode_Reset
2668	\|\| aScreenLayoutMode == ScreenLayoutMode_Apply;
2669	bool const fNotify = aScreenLayoutMode != ScreenLayoutMode_Silent;
2670	pVMMDevPort->pfnRequestDisplayChange(pVMMDevPort, cDisplays, paDisplayDefs, fForce, fNotify);
2671
2672	RTMemFree(paDisplayDefs);
2673	}
2674	}
2675	}
2676	return S_OK;
2677	}
2678
2679	HRESULT Display::detachScreens(const std::vector<LONG> &aScreenIds)
2680	{
2681	NOREF(aScreenIds);
2682	return E_NOTIMPL;
2683	}
2684
2685	HRESULT Display::createGuestScreenInfo(ULONG aDisplay,
2686	GuestMonitorStatus_T aStatus,
2687	BOOL aPrimary,
2688	BOOL aChangeOrigin,
2689	LONG aOriginX,
2690	LONG aOriginY,
2691	ULONG aWidth,
2692	ULONG aHeight,
2693	ULONG aBitsPerPixel,
2694	ComPtr<IGuestScreenInfo> &aGuestScreenInfo)
2695	{
2696	/* Create a new object. */
2697	ComObjPtr<GuestScreenInfo> obj;
2698	HRESULT hr = obj.createObject();
2699	if (SUCCEEDED(hr))
2700	hr = obj->init(aDisplay, aStatus, aPrimary, aChangeOrigin, aOriginX, aOriginY,
2701	aWidth, aHeight, aBitsPerPixel);
2702	if (SUCCEEDED(hr))
2703	obj.queryInterfaceTo(aGuestScreenInfo.asOutParam());
2704
2705	return hr;
2706	}
2707
2708
2709	/*
2710	* GuestScreenInfo implementation.
2711	*/
2712	DEFINE_EMPTY_CTOR_DTOR(GuestScreenInfo)
2713
2714	HRESULT GuestScreenInfo::FinalConstruct()
2715	{
2716	return BaseFinalConstruct();
2717	}
2718
2719	void GuestScreenInfo::FinalRelease()
2720	{
2721	uninit();
2722
2723	BaseFinalRelease();
2724	}
2725
2726	HRESULT GuestScreenInfo::init(ULONG aDisplay,
2727	GuestMonitorStatus_T aGuestMonitorStatus,
2728	BOOL aPrimary,
2729	BOOL aChangeOrigin,
2730	LONG aOriginX,
2731	LONG aOriginY,
2732	ULONG aWidth,
2733	ULONG aHeight,
2734	ULONG aBitsPerPixel)
2735	{
2736	LogFlowThisFunc(("[%u]\n", aDisplay));
2737
2738	/* Enclose the state transition NotReady->InInit->Ready */
2739	AutoInitSpan autoInitSpan(this);
2740	AssertReturn(autoInitSpan.isOk(), E_FAIL);
2741
2742	mScreenId = aDisplay;
2743	mGuestMonitorStatus = aGuestMonitorStatus;
2744	mPrimary = aPrimary;
2745	mOrigin = aChangeOrigin;
2746	mOriginX = aOriginX;
2747	mOriginY = aOriginY;
2748	mWidth = aWidth;
2749	mHeight = aHeight;
2750	mBitsPerPixel = aBitsPerPixel;
2751
2752	/* Confirm a successful initialization */
2753	autoInitSpan.setSucceeded();
2754
2755	return S_OK;
2756	}
2757
2758	void GuestScreenInfo::uninit()
2759	{
2760	/* Enclose the state transition Ready->InUninit->NotReady */
2761	AutoUninitSpan autoUninitSpan(this);
2762	if (autoUninitSpan.uninitDone())
2763	return;
2764
2765	LogFlowThisFunc(("[%u]\n", mScreenId));
2766	}
2767
2768	HRESULT GuestScreenInfo::getScreenId(ULONG *aScreenId)
2769	{
2770	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2771	*aScreenId = mScreenId;
2772	return S_OK;
2773	}
2774
2775	HRESULT GuestScreenInfo::getGuestMonitorStatus(GuestMonitorStatus_T *aGuestMonitorStatus)
2776	{
2777	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2778	*aGuestMonitorStatus = mGuestMonitorStatus;
2779	return S_OK;
2780	}
2781
2782	HRESULT GuestScreenInfo::getPrimary(BOOL *aPrimary)
2783	{
2784	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2785	*aPrimary = mPrimary;
2786	return S_OK;
2787	}
2788
2789	HRESULT GuestScreenInfo::getOrigin(BOOL *aOrigin)
2790	{
2791	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2792	*aOrigin = mOrigin;
2793	return S_OK;
2794	}
2795
2796	HRESULT GuestScreenInfo::getOriginX(LONG *aOriginX)
2797	{
2798	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2799	*aOriginX = mOriginX;
2800	return S_OK;
2801	}
2802
2803	HRESULT GuestScreenInfo::getOriginY(LONG *aOriginY)
2804	{
2805	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2806	*aOriginY = mOriginY;
2807	return S_OK;
2808	}
2809
2810	HRESULT GuestScreenInfo::getWidth(ULONG *aWidth)
2811	{
2812	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2813	*aWidth = mWidth;
2814	return S_OK;
2815	}
2816
2817	HRESULT GuestScreenInfo::getHeight(ULONG *aHeight)
2818	{
2819	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2820	*aHeight = mHeight;
2821	return S_OK;
2822	}
2823
2824	HRESULT GuestScreenInfo::getBitsPerPixel(ULONG *aBitsPerPixel)
2825	{
2826	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2827	*aBitsPerPixel = mBitsPerPixel;
2828	return S_OK;
2829	}
2830
2831	HRESULT GuestScreenInfo::getExtendedInfo(com::Utf8Str &aExtendedInfo)
2832	{
2833	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2834	aExtendedInfo = com::Utf8Str();
2835	return S_OK;
2836	}
2837
2838	// wrapped IEventListener method
2839	HRESULT Display::handleEvent(const ComPtr<IEvent> &aEvent)
2840	{
2841	VBoxEventType_T aType = VBoxEventType_Invalid;
2842
2843	aEvent->COMGETTER(Type)(&aType);
2844	switch (aType)
2845	{
2846	case VBoxEventType_OnStateChanged:
2847	{
2848	ComPtr<IStateChangedEvent> scev = aEvent;
2849	Assert(scev);
2850	MachineState_T machineState;
2851	scev->COMGETTER(State)(&machineState);
2852	if ( machineState == MachineState_Running
2853	\|\| machineState == MachineState_Teleporting
2854	\|\| machineState == MachineState_LiveSnapshotting
2855	\|\| machineState == MachineState_DeletingSnapshotOnline
2856	)
2857	{
2858	LogRelFlowFunc(("Machine is running.\n"));
2859
2860	}
2861	break;
2862	}
2863	default:
2864	AssertFailed();
2865	}
2866
2867	return S_OK;
2868	}
2869
2870
2871	// private methods
2872	/////////////////////////////////////////////////////////////////////////////
2873
2874	/**
2875	* Handle display resize event issued by the VGA device for the primary screen.
2876	*
2877	* @see PDMIDISPLAYCONNECTOR::pfnResize
2878	*/
2879	DECLCALLBACK(int) Display::i_displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface,
2880	uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy)
2881	{
2882	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2883	Display *pThis = pDrv->pDisplay;
2884
2885	LogRelFlowFunc(("bpp %d, pvVRAM %p, cbLine %d, cx %d, cy %d\n",
2886	bpp, pvVRAM, cbLine, cx, cy));
2887
2888	bool f = ASMAtomicCmpXchgBool(&pThis->fVGAResizing, true, false);
2889	if (!f)
2890	{
2891	/* This is a result of recursive call when the source bitmap is being updated
2892	* during a VGA resize. Tell the VGA device to ignore the call.
2893	*
2894	* @todo It is a workaround, actually pfnUpdateDisplayAll must
2895	* fail on resize.
2896	*/
2897	LogRel(("displayResizeCallback: already processing\n"));
2898	return VINF_VGA_RESIZE_IN_PROGRESS;
2899	}
2900
2901	int vrc = pThis->i_handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, bpp, pvVRAM, cbLine, cx, cy, 0, 0, 0, true);
2902
2903	/* Restore the flag. */
2904	f = ASMAtomicCmpXchgBool(&pThis->fVGAResizing, false, true);
2905	AssertRelease(f);
2906
2907	return vrc;
2908	}
2909
2910	/**
2911	* Handle display update.
2912	*
2913	* @see PDMIDISPLAYCONNECTOR::pfnUpdateRect
2914	*/
2915	DECLCALLBACK(void) Display::i_displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
2916	uint32_t x, uint32_t y, uint32_t cx, uint32_t cy)
2917	{
2918	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2919
2920	#ifdef DEBUG_sunlover
2921	LogFlowFunc(("fVideoAccelEnabled = %d, %d,%d %dx%d\n",
2922	pDrv->pDisplay->mVideoAccelLegacy.fVideoAccelEnabled, x, y, cx, cy));
2923	#endif /* DEBUG_sunlover */
2924
2925	/* This call does update regardless of VBVA status.
2926	* But in VBVA mode this is called only as result of
2927	* pfnUpdateDisplayAll in the VGA device.
2928	*/
2929
2930	pDrv->pDisplay->i_handleDisplayUpdate(VBOX_VIDEO_PRIMARY_SCREEN, x, y, cx, cy);
2931	}
2932
2933	/**
2934	* Periodic display refresh callback.
2935	*
2936	* @see PDMIDISPLAYCONNECTOR::pfnRefresh
2937	* @thread EMT
2938	*/
2939	/static/ DECLCALLBACK(void) Display::i_displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface)
2940	{
2941	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2942
2943	#ifdef DEBUG_sunlover_2
2944	LogFlowFunc(("pDrv->pDisplay->mfVideoAccelEnabled = %d\n",
2945	pDrv->pDisplay->mfVideoAccelEnabled));
2946	#endif /* DEBUG_sunlover_2 */
2947
2948	Display *pDisplay = pDrv->pDisplay;
2949	unsigned uScreenId;
2950
2951	int vrc = pDisplay->i_videoAccelRefreshProcess(pDrv->pUpPort);
2952	if (vrc != VINF_TRY_AGAIN) /* Means 'do nothing' here. */
2953	{
2954	if (vrc == VWRN_INVALID_STATE)
2955	{
2956	/* No VBVA do a display update. */
2957	pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
2958	}
2959
2960	/* Inform the VRDP server that the current display update sequence is
2961	* completed. At this moment the framebuffer memory contains a definite
2962	* image, that is synchronized with the orders already sent to VRDP client.
2963	* The server can now process redraw requests from clients or initial
2964	* fullscreen updates for new clients.
2965	*/
2966	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2967	{
2968	Assert(pDisplay->mParent && pDisplay->mParent->i_consoleVRDPServer());
2969	pDisplay->mParent->i_consoleVRDPServer()->SendUpdate(uScreenId, NULL, 0);
2970	}
2971	}
2972
2973	#ifdef VBOX_WITH_RECORDING
2974	AssertPtr(pDisplay->mParent);
2975	RecordingContext *pCtx = pDisplay->mParent->i_recordingGetContext();
2976
2977	if ( pCtx
2978	&& pCtx->IsStarted()
2979	&& pCtx->IsFeatureEnabled(RecordingFeature_Video))
2980	{
2981	do
2982	{
2983	/* If the recording context has reached the configured recording
2984	* limit, disable recording. */
2985	if (pCtx->IsLimitReached())
2986	{
2987	pDisplay->mParent->i_onRecordingChange(FALSE /* Disable */);
2988	break;
2989	}
2990
2991	uint64_t tsNowMs = RTTimeProgramMilliTS();
2992	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2993	{
2994	if (!pDisplay->maRecordingEnabled[uScreenId])
2995	continue;
2996
2997	if (!pCtx->NeedsUpdate(uScreenId, tsNowMs))
2998	continue;
2999
3000	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
3001	if (!pFBInfo->fDisabled)
3002	{
3003	ComPtr<IDisplaySourceBitmap> pSourceBitmap;
3004	int vrc2 = RTCritSectEnter(&pDisplay->mVideoRecLock);
3005	if (RT_SUCCESS(vrc2))
3006	{
3007	pSourceBitmap = pFBInfo->Recording.pSourceBitmap;
3008	RTCritSectLeave(&pDisplay->mVideoRecLock);
3009	}
3010
3011	if (!pSourceBitmap.isNull())
3012	{
3013	BYTE *pbAddress = NULL;
3014	ULONG ulWidth = 0;
3015	ULONG ulHeight = 0;
3016	ULONG ulBitsPerPixel = 0;
3017	ULONG ulBytesPerLine = 0;
3018	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
3019	HRESULT hrc = pSourceBitmap->QueryBitmapInfo(&pbAddress,
3020	&ulWidth,
3021	&ulHeight,
3022	&ulBitsPerPixel,
3023	&ulBytesPerLine,
3024	&bitmapFormat);
3025	if (SUCCEEDED(hrc) && pbAddress)
3026	vrc = pCtx->SendVideoFrame(uScreenId, 0, 0, BitmapFormat_BGR,
3027	ulBitsPerPixel, ulBytesPerLine, ulWidth, ulHeight,
3028	pbAddress, tsNowMs);
3029	else
3030	vrc = VERR_NOT_SUPPORTED;
3031
3032	pSourceBitmap.setNull();
3033	}
3034	else
3035	vrc = VERR_NOT_SUPPORTED;
3036
3037	if (vrc == VINF_TRY_AGAIN)
3038	break;
3039	}
3040	}
3041	} while (0);
3042	}
3043	#endif /* VBOX_WITH_RECORDING */
3044
3045	#ifdef DEBUG_sunlover_2
3046	LogFlowFunc(("leave\n"));
3047	#endif /* DEBUG_sunlover_2 */
3048	}
3049
3050	/**
3051	* Reset notification
3052	*
3053	* @see PDMIDISPLAYCONNECTOR::pfnReset
3054	*/
3055	DECLCALLBACK(void) Display::i_displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface)
3056	{
3057	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3058
3059	LogRelFlowFunc(("\n"));
3060
3061	/* Disable VBVA mode. */
3062	pDrv->pDisplay->VideoAccelEnableVGA(false, NULL);
3063	}
3064
3065	/**
3066	* LFBModeChange notification
3067	*
3068	* @see PDMIDISPLAYCONNECTOR::pfnLFBModeChange
3069	*/
3070	DECLCALLBACK(void) Display::i_displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled)
3071	{
3072	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3073
3074	LogRelFlowFunc(("fEnabled=%d\n", fEnabled));
3075
3076	NOREF(fEnabled);
3077
3078	/* Disable VBVA mode in any case. The guest driver reenables VBVA mode if necessary. */
3079	pDrv->pDisplay->VideoAccelEnableVGA(false, NULL);
3080	}
3081
3082	/**
3083	* Adapter information change notification.
3084	*
3085	* @see PDMIDISPLAYCONNECTOR::pfnProcessAdapterData
3086	*/
3087	DECLCALLBACK(void) Display::i_displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM,
3088	uint32_t u32VRAMSize)
3089	{
3090	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3091	pDrv->pDisplay->processAdapterData(pvVRAM, u32VRAMSize);
3092	}
3093
3094	/**
3095	* Display information change notification.
3096	*
3097	* @see PDMIDISPLAYCONNECTOR::pfnProcessDisplayData
3098	*/
3099	DECLCALLBACK(void) Display::i_displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface,
3100	void *pvVRAM, unsigned uScreenId)
3101	{
3102	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3103	pDrv->pDisplay->processDisplayData(pvVRAM, uScreenId);
3104	}
3105
3106	#ifdef VBOX_WITH_VIDEOHWACCEL
3107
3108	int Display::i_handleVHWACommandProcess(int enmCmd, bool fGuestCmd, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand)
3109	{
3110	/* bugref:9691 Disable the legacy VHWA interface.
3111	* Keep the host commands enabled because they are needed when an old saved state is loaded.
3112	*/
3113	if (fGuestCmd)
3114	return VERR_NOT_IMPLEMENTED;
3115
3116	unsigned id = (unsigned)pCommand->iDisplay;
3117	if (id >= mcMonitors)
3118	return VERR_INVALID_PARAMETER;
3119
3120	ComPtr<IFramebuffer> pFramebuffer;
3121	AutoReadLock arlock(this COMMA_LOCKVAL_SRC_POS);
3122	pFramebuffer = maFramebuffers[id].pFramebuffer;
3123	bool fVHWASupported = RT_BOOL(maFramebuffers[id].u32Caps & FramebufferCapabilities_VHWA);
3124	arlock.release();
3125
3126	if (pFramebuffer == NULL \|\| !fVHWASupported)
3127	return VERR_NOT_IMPLEMENTED; /* Implementation is not available. */
3128
3129	HRESULT hr = pFramebuffer->ProcessVHWACommand((BYTE *)pCommand, enmCmd, fGuestCmd);
3130	if (hr == S_FALSE)
3131	return VINF_SUCCESS;
3132	if (SUCCEEDED(hr))
3133	return VINF_CALLBACK_RETURN;
3134	if (hr == E_ACCESSDENIED)
3135	return VERR_INVALID_STATE; /* notify we can not handle request atm */
3136	if (hr == E_NOTIMPL)
3137	return VERR_NOT_IMPLEMENTED;
3138	return VERR_GENERAL_FAILURE;
3139	}
3140
3141	DECLCALLBACK(int) Display::i_displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, int enmCmd, bool fGuestCmd,
3142	VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand)
3143	{
3144	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3145
3146	return pDrv->pDisplay->i_handleVHWACommandProcess(enmCmd, fGuestCmd, pCommand);
3147	}
3148
3149	#endif /* VBOX_WITH_VIDEOHWACCEL */
3150
3151	int Display::i_handle3DNotifyProcess(VBOX3DNOTIFY *p3DNotify)
3152	{
3153	unsigned const id = (unsigned)p3DNotify->iDisplay;
3154	if (id >= mcMonitors)
3155	return VERR_INVALID_PARAMETER;
3156
3157	ComPtr<IFramebuffer> pFramebuffer;
3158	AutoReadLock arlock(this COMMA_LOCKVAL_SRC_POS);
3159	pFramebuffer = maFramebuffers[id].pFramebuffer;
3160	arlock.release();
3161
3162	int vrc = VINF_SUCCESS;
3163
3164	if (!pFramebuffer.isNull())
3165	{
3166	if (p3DNotify->enmNotification == VBOX3D_NOTIFY_TYPE_HW_OVERLAY_GET_ID)
3167	{
3168	LONG64 winId = 0;
3169	HRESULT hrc = pFramebuffer->COMGETTER(WinId)(&winId);
3170	if (SUCCEEDED(hrc))
3171	{
3172	(uint64_t )&p3DNotify->au8Data[0] = winId;
3173	}
3174	else
3175	vrc = VERR_NOT_SUPPORTED;
3176	}
3177	else
3178	{
3179	com::SafeArray<BYTE> data;
3180	data.initFrom((BYTE *)&p3DNotify->au8Data[0], p3DNotify->cbData);
3181
3182	HRESULT hrc = pFramebuffer->Notify3DEvent((ULONG)p3DNotify->enmNotification, ComSafeArrayAsInParam(data));
3183	if (FAILED(hrc))
3184	vrc = VERR_NOT_SUPPORTED;
3185	}
3186	}
3187	else
3188	vrc = VERR_NOT_IMPLEMENTED;
3189
3190	return vrc;
3191	}
3192
3193	DECLCALLBACK(int) Display::i_display3DNotifyProcess(PPDMIDISPLAYCONNECTOR pInterface,
3194	VBOX3DNOTIFY *p3DNotify)
3195	{
3196	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3197	return pDrv->pDisplay->i_handle3DNotifyProcess(p3DNotify);
3198	}
3199
3200	HRESULT Display::notifyScaleFactorChange(ULONG aScreenId, ULONG aScaleFactorWMultiplied, ULONG aScaleFactorHMultiplied)
3201	{
3202	RT_NOREF(aScreenId, aScaleFactorWMultiplied, aScaleFactorHMultiplied);
3203	# if 0 /** @todo Thank you so very much from anyone using VMSVGA3d! */
3204	AssertMsgFailed(("Attempt to specify OpenGL content scale factor while 3D acceleration is disabled in VM config. Ignored.\n"));
3205	# else
3206	/* Need an interface like this here (and the #ifdefs needs adjusting):
3207	PPDMIDISPLAYPORT pUpPort = mpDrv ? mpDrv->pUpPort : NULL;
3208	if (pUpPort && pUpPort->pfnSetScaleFactor)
3209	pUpPort->pfnSetScaleFactor(pUpPort, aScreeId, aScaleFactorWMultiplied, aScaleFactorHMultiplied); */
3210	# endif
3211	return S_OK;
3212	}
3213
3214	HRESULT Display::notifyHiDPIOutputPolicyChange(BOOL fUnscaledHiDPI)
3215	{
3216	RT_NOREF(fUnscaledHiDPI);
3217
3218	/* Need an interface like this here (and the #ifdefs needs adjusting):
3219	PPDMIDISPLAYPORT pUpPort = mpDrv ? mpDrv->pUpPort : NULL;
3220	if (pUpPort && pUpPort->pfnSetScaleFactor)
3221	pUpPort->pfnSetScaleFactor(pUpPort, aScreeId, aScaleFactorWMultiplied, aScaleFactorHMultiplied); */
3222
3223	return S_OK;
3224	}
3225
3226	#ifdef VBOX_WITH_HGSMI
3227	/**
3228	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVAEnable}
3229	*/
3230	DECLCALLBACK(int) Display::i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
3231	VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pHostFlags)
3232	{
3233	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
3234
3235	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3236	Display *pThis = pDrv->pDisplay;
3237	AssertReturn(uScreenId < pThis->mcMonitors, VERR_INVALID_PARAMETER);
3238
3239	if (pThis->maFramebuffers[uScreenId].fVBVAEnabled)
3240	{
3241	LogRel(("Enabling different vbva mode\n"));
3242	#ifdef DEBUG_misha
3243	AssertMsgFailed(("enabling different vbva mode\n"));
3244	#endif
3245	return VERR_INVALID_STATE;
3246	}
3247
3248	pThis->maFramebuffers[uScreenId].fVBVAEnabled = true;
3249	pThis->maFramebuffers[uScreenId].pVBVAHostFlags = pHostFlags;
3250	pThis->maFramebuffers[uScreenId].fVBVAForceResize = true;
3251
3252	vbvaSetMemoryFlagsHGSMI(uScreenId, pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, &pThis->maFramebuffers[uScreenId]);
3253
3254	return VINF_SUCCESS;
3255	}
3256
3257	/**
3258	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVADisable}
3259	*/
3260	DECLCALLBACK(void) Display::i_displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3261	{
3262	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
3263
3264	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3265	Display *pThis = pDrv->pDisplay;
3266	AssertReturnVoid(uScreenId < pThis->mcMonitors);
3267
3268	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3269
3270	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3271	{
3272	/* Make sure that the primary screen is visible now.
3273	* The guest can't use VBVA anymore, so only only the VGA device output works.
3274	*/
3275	pFBInfo->flags = 0;
3276	if (pFBInfo->fDisabled)
3277	{
3278	pFBInfo->fDisabled = false;
3279	::FireGuestMonitorChangedEvent(pThis->mParent->i_getEventSource(), GuestMonitorChangedEventType_Enabled, uScreenId,
3280	pFBInfo->xOrigin, pFBInfo->yOrigin, pFBInfo->w, pFBInfo->h);
3281	}
3282	}
3283
3284	pFBInfo->fVBVAEnabled = false;
3285	pFBInfo->fVBVAForceResize = false;
3286
3287	vbvaSetMemoryFlagsHGSMI(uScreenId, 0, false, pFBInfo);
3288
3289	pFBInfo->pVBVAHostFlags = NULL;
3290
3291	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3292	{
3293	/* Force full screen update, because VGA device must take control, do resize, etc. */
3294	pThis->mpDrv->pUpPort->pfnUpdateDisplayAll(pThis->mpDrv->pUpPort, /* fFailOnResize = */ false);
3295	}
3296	}
3297
3298	DECLCALLBACK(void) Display::i_displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3299	{
3300	RT_NOREF(uScreenId);
3301	LogFlowFunc(("uScreenId %d\n", uScreenId));
3302
3303	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3304	Display *pThis = pDrv->pDisplay;
3305
3306	if (ASMAtomicReadU32(&pThis->mu32UpdateVBVAFlags) > 0)
3307	{
3308	vbvaSetMemoryFlagsAllHGSMI(pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, pThis->maFramebuffers,
3309	pThis->mcMonitors);
3310	ASMAtomicDecU32(&pThis->mu32UpdateVBVAFlags);
3311	}
3312	}
3313
3314	/**
3315	* @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVAUpdateProcess}
3316	*/
3317	DECLCALLBACK(void) Display::i_displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
3318	struct VBVACMDHDR const RT_UNTRUSTED_VOLATILE_GUEST *pCmd, size_t cbCmd)
3319	{
3320	LogFlowFunc(("uScreenId %d pCmd %p cbCmd %d, @%d,%d %dx%d\n", uScreenId, pCmd, cbCmd, pCmd->x, pCmd->y, pCmd->w, pCmd->h));
3321	VBVACMDHDR hdrSaved;
3322	RT_COPY_VOLATILE(hdrSaved, *pCmd);
3323	RT_UNTRUSTED_NONVOLATILE_COPY_FENCE();
3324
3325	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3326	Display *pThis = pDrv->pDisplay;
3327	DISPLAYFBINFO *pFBInfo;
3328	AssertReturnVoid(uScreenId < pThis->mcMonitors);
3329
3330	pFBInfo = &pThis->maFramebuffers[uScreenId];
3331
3332	if (pFBInfo->fDefaultFormat)
3333	{
3334	/* Make sure that framebuffer contains the same image as the guest VRAM. */
3335	if ( uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
3336	&& !pFBInfo->fDisabled)
3337	{
3338	pDrv->pUpPort->pfnUpdateDisplayRect(pDrv->pUpPort, hdrSaved.x, hdrSaved.y, hdrSaved.w, hdrSaved.h);
3339	}
3340	else if ( !pFBInfo->pSourceBitmap.isNull()
3341	&& !pFBInfo->fDisabled)
3342	{
3343	/* Render VRAM content to the framebuffer. */
3344	BYTE *pAddress = NULL;
3345	ULONG ulWidth = 0;
3346	ULONG ulHeight = 0;
3347	ULONG ulBitsPerPixel = 0;
3348	ULONG ulBytesPerLine = 0;
3349	BitmapFormat_T bitmapFormat = BitmapFormat_Opaque;
3350
3351	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
3352	&ulWidth,
3353	&ulHeight,
3354	&ulBitsPerPixel,
3355	&ulBytesPerLine,
3356	&bitmapFormat);
3357	if (SUCCEEDED(hrc))
3358	{
3359	uint32_t width = hdrSaved.w;
3360	uint32_t height = hdrSaved.h;
3361
3362	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
3363	int32_t xSrc = hdrSaved.x - pFBInfo->xOrigin;
3364	int32_t ySrc = hdrSaved.y - pFBInfo->yOrigin;
3365	uint32_t u32SrcWidth = pFBInfo->w;
3366	uint32_t u32SrcHeight = pFBInfo->h;
3367	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
3368	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
3369
3370	uint8_t *pu8Dst = pAddress;
3371	int32_t xDst = xSrc;
3372	int32_t yDst = ySrc;
3373	uint32_t u32DstWidth = u32SrcWidth;
3374	uint32_t u32DstHeight = u32SrcHeight;
3375	uint32_t u32DstLineSize = u32DstWidth * 4;
3376	uint32_t u32DstBitsPerPixel = 32;
3377
3378	pDrv->pUpPort->pfnCopyRect(pDrv->pUpPort,
3379	width, height,
3380	pu8Src,
3381	xSrc, ySrc,
3382	u32SrcWidth, u32SrcHeight,
3383	u32SrcLineSize, u32SrcBitsPerPixel,
3384	pu8Dst,
3385	xDst, yDst,
3386	u32DstWidth, u32DstHeight,
3387	u32DstLineSize, u32DstBitsPerPixel);
3388	}
3389	}
3390	}
3391
3392	/*
3393	* Here is your classic 'temporary' solution.
3394	*/
3395	/** @todo New SendUpdate entry which can get a separate cmd header or coords. */
3396	VBVACMDHDR pHdrUnconst = (VBVACMDHDR )pCmd;
3397
3398	pHdrUnconst->x -= (int16_t)pFBInfo->xOrigin;
3399	pHdrUnconst->y -= (int16_t)pFBInfo->yOrigin;
3400
3401	pThis->mParent->i_consoleVRDPServer()->SendUpdate(uScreenId, pHdrUnconst, (uint32_t)cbCmd);
3402
3403	*pHdrUnconst = hdrSaved;
3404	}
3405
3406	DECLCALLBACK(void) Display::i_displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y,
3407	uint32_t cx, uint32_t cy)
3408	{
3409	LogFlowFunc(("uScreenId %d %d,%d %dx%d\n", uScreenId, x, y, cx, cy));
3410
3411	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3412	Display *pThis = pDrv->pDisplay;
3413	DISPLAYFBINFO *pFBInfo;
3414	AssertReturnVoid(uScreenId < pThis->mcMonitors);
3415
3416	pFBInfo = &pThis->maFramebuffers[uScreenId];
3417
3418	/** @todo handleFramebufferUpdate (uScreenId,
3419	* x - pThis->maFramebuffers[uScreenId].xOrigin,
3420	* y - pThis->maFramebuffers[uScreenId].yOrigin,
3421	* cx, cy);
3422	*/
3423	pThis->i_handleDisplayUpdate(uScreenId, x - pFBInfo->xOrigin, y - pFBInfo->yOrigin, cx, cy);
3424	}
3425
3426	#ifdef DEBUG_sunlover
3427	static void logVBVAResize(PCVBVAINFOVIEW pView, PCVBVAINFOSCREEN pScreen, const DISPLAYFBINFO *pFBInfo)
3428	{
3429	LogRel(("displayVBVAResize: [%d] %s\n"
3430	" pView->u32ViewIndex %d\n"
3431	" pView->u32ViewOffset 0x%08X\n"
3432	" pView->u32ViewSize 0x%08X\n"
3433	" pView->u32MaxScreenSize 0x%08X\n"
3434	" pScreen->i32OriginX %d\n"
3435	" pScreen->i32OriginY %d\n"
3436	" pScreen->u32StartOffset 0x%08X\n"
3437	" pScreen->u32LineSize 0x%08X\n"
3438	" pScreen->u32Width %d\n"
3439	" pScreen->u32Height %d\n"
3440	" pScreen->u16BitsPerPixel %d\n"
3441	" pScreen->u16Flags 0x%04X\n"
3442	" pFBInfo->u32Offset 0x%08X\n"
3443	" pFBInfo->u32MaxFramebufferSize 0x%08X\n"
3444	" pFBInfo->u32InformationSize 0x%08X\n"
3445	" pFBInfo->fDisabled %d\n"
3446	" xOrigin, yOrigin, w, h: %d,%d %dx%d\n"
3447	" pFBInfo->u16BitsPerPixel %d\n"
3448	" pFBInfo->pu8FramebufferVRAM %p\n"
3449	" pFBInfo->u32LineSize 0x%08X\n"
3450	" pFBInfo->flags 0x%04X\n"
3451	" pFBInfo->pHostEvents %p\n"
3452	" pFBInfo->fDefaultFormat %d\n"
3453	" pFBInfo->fVBVAEnabled %d\n"
3454	" pFBInfo->fVBVAForceResize %d\n"
3455	" pFBInfo->pVBVAHostFlags %p\n"
3456	"",
3457	pScreen->u32ViewIndex,
3458	(pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)? "DISABLED": "ENABLED",
3459	pView->u32ViewIndex,
3460	pView->u32ViewOffset,
3461	pView->u32ViewSize,
3462	pView->u32MaxScreenSize,
3463	pScreen->i32OriginX,
3464	pScreen->i32OriginY,
3465	pScreen->u32StartOffset,
3466	pScreen->u32LineSize,
3467	pScreen->u32Width,
3468	pScreen->u32Height,
3469	pScreen->u16BitsPerPixel,
3470	pScreen->u16Flags,
3471	pFBInfo->u32Offset,
3472	pFBInfo->u32MaxFramebufferSize,
3473	pFBInfo->u32InformationSize,
3474	pFBInfo->fDisabled,
3475	pFBInfo->xOrigin,
3476	pFBInfo->yOrigin,
3477	pFBInfo->w,
3478	pFBInfo->h,
3479	pFBInfo->u16BitsPerPixel,
3480	pFBInfo->pu8FramebufferVRAM,
3481	pFBInfo->u32LineSize,
3482	pFBInfo->flags,
3483	pFBInfo->pHostEvents,
3484	pFBInfo->fDefaultFormat,
3485	pFBInfo->fVBVAEnabled,
3486	pFBInfo->fVBVAForceResize,
3487	pFBInfo->pVBVAHostFlags
3488	));
3489	}
3490	#endif /* DEBUG_sunlover */
3491
3492	DECLCALLBACK(int) Display::i_displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, PCVBVAINFOVIEW pView,
3493	PCVBVAINFOSCREEN pScreen, void *pvVRAM, bool fResetInputMapping)
3494	{
3495	LogRelFlowFunc(("pScreen %p, pvVRAM %p\n", pScreen, pvVRAM));
3496
3497	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3498	Display *pThis = pDrv->pDisplay;
3499
3500	return pThis->processVBVAResize(pView, pScreen, pvVRAM, fResetInputMapping);
3501	}
3502
3503	int Display::processVBVAResize(PCVBVAINFOVIEW pView, PCVBVAINFOSCREEN pScreen, void *pvVRAM, bool fResetInputMapping)
3504	{
3505	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3506
3507	RT_NOREF(pView);
3508
3509	DISPLAYFBINFO *pFBInfo = &maFramebuffers[pScreen->u32ViewIndex];
3510
3511	#ifdef DEBUG_sunlover
3512	logVBVAResize(pView, pScreen, pFBInfo);
3513	#endif
3514
3515	if (pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)
3516	{
3517	/* Ask the framebuffer to resize using a default format. The framebuffer will be black.
3518	* So if the frontend does not support GuestMonitorChangedEventType_Disabled event,
3519	* the VM window will be black. */
3520	uint32_t u32Width = pFBInfo->w ? pFBInfo->w : 640;
3521	uint32_t u32Height = pFBInfo->h ? pFBInfo->h : 480;
3522	int32_t xOrigin = pFBInfo->xOrigin;
3523	int32_t yOrigin = pFBInfo->yOrigin;
3524
3525	alock.release();
3526
3527	i_handleDisplayResize(pScreen->u32ViewIndex, 0, (uint8_t *)NULL, 0,
3528	u32Width, u32Height, pScreen->u16Flags, xOrigin, yOrigin, false);
3529
3530	return VINF_SUCCESS;
3531	}
3532
3533	VBVAINFOSCREEN screenInfo;
3534	RT_ZERO(screenInfo);
3535
3536	if (pScreen->u16Flags & VBVA_SCREEN_F_BLANK2)
3537	{
3538	/* Init a local VBVAINFOSCREEN structure, which will be used instead of
3539	* the original pScreen. Set VBVA_SCREEN_F_BLANK, which will force
3540	* the code below to choose the "blanking" branches.
3541	*/
3542	screenInfo.u32ViewIndex = pScreen->u32ViewIndex;
3543	screenInfo.i32OriginX = pFBInfo->xOrigin;
3544	screenInfo.i32OriginY = pFBInfo->yOrigin;
3545	screenInfo.u32StartOffset = 0; /* Irrelevant */
3546	screenInfo.u32LineSize = pFBInfo->u32LineSize;
3547	screenInfo.u32Width = pFBInfo->w;
3548	screenInfo.u32Height = pFBInfo->h;
3549	screenInfo.u16BitsPerPixel = pFBInfo->u16BitsPerPixel;
3550	screenInfo.u16Flags = pScreen->u16Flags \| VBVA_SCREEN_F_BLANK;
3551
3552	pScreen = &screenInfo;
3553	}
3554
3555	if (fResetInputMapping)
3556	{
3557	/// @todo Rename to m* and verify whether some kind of lock is required.
3558	xInputMappingOrigin = 0;
3559	yInputMappingOrigin = 0;
3560	cxInputMapping = 0;
3561	cyInputMapping = 0;
3562	}
3563
3564	alock.release();
3565
3566	return i_handleDisplayResize(pScreen->u32ViewIndex, pScreen->u16BitsPerPixel,
3567	(uint8_t *)pvVRAM + pScreen->u32StartOffset,
3568	pScreen->u32LineSize, pScreen->u32Width, pScreen->u32Height, pScreen->u16Flags,
3569	pScreen->i32OriginX, pScreen->i32OriginY, false);
3570	}
3571
3572	DECLCALLBACK(int) Display::i_displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
3573	uint32_t xHot, uint32_t yHot,
3574	uint32_t cx, uint32_t cy,
3575	const void *pvShape)
3576	{
3577	LogFlowFunc(("\n"));
3578	LogRel2(("%s: fVisible=%RTbool\n", __PRETTY_FUNCTION__, fVisible));
3579
3580	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3581
3582	uint32_t cbShape = 0;
3583	if (pvShape)
3584	{
3585	cbShape = (cx + 7) / 8 * cy; /* size of the AND mask */
3586	cbShape = ((cbShape + 3) & ~3) + cx * 4 * cy; /* + gap + size of the XOR mask */
3587	}
3588
3589	/* Tell the console about it */
3590	pDrv->pDisplay->mParent->i_onMousePointerShapeChange(fVisible, fAlpha,
3591	xHot, yHot, cx, cy, (uint8_t *)pvShape, cbShape);
3592
3593	return VINF_SUCCESS;
3594	}
3595
3596	DECLCALLBACK(void) Display::i_displayVBVAGuestCapabilityUpdate(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fCapabilities)
3597	{
3598	LogFlowFunc(("\n"));
3599
3600	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3601	Display *pThis = pDrv->pDisplay;
3602
3603	pThis->i_handleUpdateGuestVBVACapabilities(fCapabilities);
3604	}
3605
3606	DECLCALLBACK(void) Display::i_displayVBVAInputMappingUpdate(PPDMIDISPLAYCONNECTOR pInterface, int32_t xOrigin, int32_t yOrigin,
3607	uint32_t cx, uint32_t cy)
3608	{
3609	LogFlowFunc(("\n"));
3610
3611	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3612	Display *pThis = pDrv->pDisplay;
3613
3614	pThis->i_handleUpdateVBVAInputMapping(xOrigin, yOrigin, cx, cy);
3615	}
3616
3617	DECLCALLBACK(void) Display::i_displayVBVAReportCursorPosition(PPDMIDISPLAYCONNECTOR pInterface, uint32_t fFlags, uint32_t aScreenId, uint32_t x, uint32_t y)
3618	{
3619	LogFlowFunc(("\n"));
3620	LogRel2(("%s: fFlags=%RU32, aScreenId=%RU32, x=%RU32, y=%RU32\n",
3621	__PRETTY_FUNCTION__, fFlags, aScreenId, x, y));
3622
3623	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3624	Display *pThis = pDrv->pDisplay;
3625
3626	if (fFlags & VBVA_CURSOR_SCREEN_RELATIVE)
3627	{
3628	AssertReturnVoid(aScreenId < pThis->mcMonitors);
3629
3630	x += pThis->maFramebuffers[aScreenId].xOrigin;
3631	y += pThis->maFramebuffers[aScreenId].yOrigin;
3632	}
3633	::FireCursorPositionChangedEvent(pThis->mParent->i_getEventSource(), RT_BOOL(fFlags & VBVA_CURSOR_VALID_DATA), x, y);
3634	}
3635
3636	#endif /* VBOX_WITH_HGSMI */
3637
3638	/**
3639	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
3640	*/
3641	DECLCALLBACK(void ) Display::i_drvQueryInterface(PPDMIBASE pInterface, const char pszIID)
3642	{
3643	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
3644	PDRVMAINDISPLAY pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3645	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
3646	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIDISPLAYCONNECTOR, &pDrv->IConnector);
3647	return NULL;
3648	}
3649
3650
3651	/**
3652	* @interface_method_impl{PDMDRVREG,pfnPowerOff,
3653	* Tries to ensure no client calls gets to HGCM or the VGA device from here on.}
3654	*/
3655	DECLCALLBACK(void) Display::i_drvPowerOff(PPDMDRVINS pDrvIns)
3656	{
3657	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3658	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3659
3660	/*
3661	* Do much of the work that i_drvDestruct does.
3662	*/
3663	if (pThis->pUpPort)
3664	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3665
3666	pThis->IConnector.pbData = NULL;
3667	pThis->IConnector.cbScanline = 0;
3668	pThis->IConnector.cBits = 32;
3669	pThis->IConnector.cx = 0;
3670	pThis->IConnector.cy = 0;
3671
3672	if (pThis->pDisplay)
3673	{
3674	AutoWriteLock displayLock(pThis->pDisplay COMMA_LOCKVAL_SRC_POS);
3675	#ifdef VBOX_WITH_RECORDING
3676	pThis->pDisplay->mParent->i_recordingStop();
3677	#endif
3678	#if defined(VBOX_WITH_VIDEOHWACCEL)
3679	pThis->pVBVACallbacks = NULL;
3680	#endif
3681	}
3682	}
3683
3684
3685	/**
3686	* Destruct a display driver instance.
3687	*
3688	* @returns VBox status code.
3689	* @param pDrvIns The driver instance data.
3690	*/
3691	DECLCALLBACK(void) Display::i_drvDestruct(PPDMDRVINS pDrvIns)
3692	{
3693	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
3694	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3695	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3696
3697	/*
3698	* We repeat much of what i_drvPowerOff does in case it wasn't called.
3699	* In addition we sever the connection between us and the display.
3700	*/
3701	if (pThis->pUpPort)
3702	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3703
3704	pThis->IConnector.pbData = NULL;
3705	pThis->IConnector.cbScanline = 0;
3706	pThis->IConnector.cBits = 32;
3707	pThis->IConnector.cx = 0;
3708	pThis->IConnector.cy = 0;
3709
3710	if (pThis->pDisplay)
3711	{
3712	AutoWriteLock displayLock(pThis->pDisplay COMMA_LOCKVAL_SRC_POS);
3713	#ifdef VBOX_WITH_RECORDING
3714	pThis->pDisplay->mParent->i_recordingStop();
3715	#endif
3716	#if defined(VBOX_WITH_VIDEOHWACCEL)
3717	pThis->pVBVACallbacks = NULL;
3718	#endif
3719
3720	pThis->pDisplay->mpDrv = NULL;
3721	pThis->pDisplay = NULL;
3722	}
3723	#if defined(VBOX_WITH_VIDEOHWACCEL)
3724	pThis->pVBVACallbacks = NULL;
3725	#endif
3726	}
3727
3728
3729	/**
3730	* Construct a display driver instance.
3731	*
3732	* @copydoc FNPDMDRVCONSTRUCT
3733	*/
3734	DECLCALLBACK(int) Display::i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
3735	{
3736	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
3737	RT_NOREF(fFlags, pCfg);
3738	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3739	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
3740
3741	/*
3742	* Validate configuration.
3743	*/
3744	PDMDRV_VALIDATE_CONFIG_RETURN(pDrvIns, "", "");
3745	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
3746	("Configuration error: Not possible to attach anything to this driver!\n"),
3747	VERR_PDM_DRVINS_NO_ATTACH);
3748
3749	/*
3750	* Init Interfaces.
3751	*/
3752	pDrvIns->IBase.pfnQueryInterface = Display::i_drvQueryInterface;
3753
3754	pThis->IConnector.pfnResize = Display::i_displayResizeCallback;
3755	pThis->IConnector.pfnUpdateRect = Display::i_displayUpdateCallback;
3756	pThis->IConnector.pfnRefresh = Display::i_displayRefreshCallback;
3757	pThis->IConnector.pfnReset = Display::i_displayResetCallback;
3758	pThis->IConnector.pfnLFBModeChange = Display::i_displayLFBModeChangeCallback;
3759	pThis->IConnector.pfnProcessAdapterData = Display::i_displayProcessAdapterDataCallback;
3760	pThis->IConnector.pfnProcessDisplayData = Display::i_displayProcessDisplayDataCallback;
3761	#ifdef VBOX_WITH_VIDEOHWACCEL
3762	pThis->IConnector.pfnVHWACommandProcess = Display::i_displayVHWACommandProcess;
3763	#endif
3764	#ifdef VBOX_WITH_HGSMI
3765	pThis->IConnector.pfnVBVAEnable = Display::i_displayVBVAEnable;
3766	pThis->IConnector.pfnVBVADisable = Display::i_displayVBVADisable;
3767	pThis->IConnector.pfnVBVAUpdateBegin = Display::i_displayVBVAUpdateBegin;
3768	pThis->IConnector.pfnVBVAUpdateProcess = Display::i_displayVBVAUpdateProcess;
3769	pThis->IConnector.pfnVBVAUpdateEnd = Display::i_displayVBVAUpdateEnd;
3770	pThis->IConnector.pfnVBVAResize = Display::i_displayVBVAResize;
3771	pThis->IConnector.pfnVBVAMousePointerShape = Display::i_displayVBVAMousePointerShape;
3772	pThis->IConnector.pfnVBVAGuestCapabilityUpdate = Display::i_displayVBVAGuestCapabilityUpdate;
3773	pThis->IConnector.pfnVBVAInputMappingUpdate = Display::i_displayVBVAInputMappingUpdate;
3774	pThis->IConnector.pfnVBVAReportCursorPosition = Display::i_displayVBVAReportCursorPosition;
3775	#endif
3776	pThis->IConnector.pfn3DNotifyProcess = Display::i_display3DNotifyProcess;
3777
3778	/*
3779	* Get the IDisplayPort interface of the above driver/device.
3780	*/
3781	pThis->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYPORT);
3782	if (!pThis->pUpPort)
3783	{
3784	AssertMsgFailed(("Configuration error: No display port interface above!\n"));
3785	return VERR_PDM_MISSING_INTERFACE_ABOVE;
3786	}
3787	#if defined(VBOX_WITH_VIDEOHWACCEL)
3788	pThis->pVBVACallbacks = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYVBVACALLBACKS);
3789	if (!pThis->pVBVACallbacks)
3790	{
3791	AssertMsgFailed(("Configuration error: No VBVA callback interface above!\n"));
3792	return VERR_PDM_MISSING_INTERFACE_ABOVE;
3793	}
3794	#endif
3795	/*
3796	* Get the Display object pointer and update the mpDrv member.
3797	*/
3798	com::Guid uuid(COM_IIDOF(IDisplay));
3799	IDisplay pIDisplay = (IDisplay )PDMDrvHlpQueryGenericUserObject(pDrvIns, uuid.raw());
3800	if (!pIDisplay)
3801	{
3802	AssertMsgFailed(("Configuration error: No/bad Keyboard object!\n"));
3803	return VERR_NOT_FOUND;
3804	}
3805	pThis->pDisplay = static_cast<Display *>(pIDisplay);
3806	pThis->pDisplay->mpDrv = pThis;
3807
3808	/* Disable VRAM to a buffer copy initially. */
3809	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
3810	pThis->IConnector.cBits = 32; /* DevVGA does nothing otherwise. */
3811
3812	/*
3813	* Start periodic screen refreshes
3814	*/
3815	pThis->pUpPort->pfnSetRefreshRate(pThis->pUpPort, 20);
3816
3817	return VINF_SUCCESS;
3818	}
3819
3820
3821	/**
3822	* Display driver registration record.
3823	*/
3824	const PDMDRVREG Display::DrvReg =
3825	{
3826	/* u32Version */
3827	PDM_DRVREG_VERSION,
3828	/* szName */
3829	"MainDisplay",
3830	/* szRCMod */
3831	"",
3832	/* szR0Mod */
3833	"",
3834	/* pszDescription */
3835	"Main display driver (Main as in the API).",
3836	/* fFlags */
3837	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
3838	/* fClass. */
3839	PDM_DRVREG_CLASS_DISPLAY,
3840	/* cMaxInstances */
3841	~0U,
3842	/* cbInstance */
3843	sizeof(DRVMAINDISPLAY),
3844	/* pfnConstruct */
3845	Display::i_drvConstruct,
3846	/* pfnDestruct */
3847	Display::i_drvDestruct,
3848	/* pfnRelocate */
3849	NULL,
3850	/* pfnIOCtl */
3851	NULL,
3852	/* pfnPowerOn */
3853	NULL,
3854	/* pfnReset */
3855	NULL,
3856	/* pfnSuspend */
3857	NULL,
3858	/* pfnResume */
3859	NULL,
3860	/* pfnAttach */
3861	NULL,
3862	/* pfnDetach */
3863	NULL,
3864	/* pfnPowerOff */
3865	Display::i_drvPowerOff,
3866	/* pfnSoftReset */
3867	NULL,
3868	/* u32EndVersion */
3869	PDM_DRVREG_VERSION
3870	};
3871
3872	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/src-client/DisplayImpl.cpp@ 97698

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