DisplayImpl.cpp@ 50848

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1	/* $Id: DisplayImpl.cpp 50848 2014-03-24 10:15:41Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2013 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18	#include "DisplayImpl.h"
19	#include "DisplayUtils.h"
20	#include "ConsoleImpl.h"
21	#include "ConsoleVRDPServer.h"
22	#include "VMMDev.h"
23
24	#include "AutoCaller.h"
25	#include "Logging.h"
26
27	/* generated header */
28	#include "VBoxEvents.h"
29
30	#include <iprt/semaphore.h>
31	#include <iprt/thread.h>
32	#include <iprt/asm.h>
33	#include <iprt/time.h>
34	#include <iprt/cpp/utils.h>
35
36	#include <VBox/vmm/pdmdrv.h>
37	#if defined(DEBUG) \|\| defined(VBOX_STRICT) /* for VM_ASSERT_EMT(). */
38	# include <VBox/vmm/vm.h>
39	#endif
40
41	#ifdef VBOX_WITH_VIDEOHWACCEL
42	# include <VBox/VBoxVideo.h>
43	#endif
44
45	#if defined(VBOX_WITH_CROGL) \|\| defined(VBOX_WITH_CRHGSMI)
46	# include <VBox/HostServices/VBoxCrOpenGLSvc.h>
47	#endif
48
49	#include <VBox/com/array.h>
50
51	#ifdef VBOX_WITH_VPX
52	# include <iprt/path.h>
53	# include "VideoRec.h"
54	#endif
55
56	#ifdef VBOX_WITH_CROGL
57	typedef enum
58	{
59	CRVREC_STATE_IDLE,
60	CRVREC_STATE_SUBMITTED
61	} CRVREC_STATE;
62	#endif
63
64	/**
65	* Display driver instance data.
66	*
67	* @implements PDMIDISPLAYCONNECTOR
68	*/
69	typedef struct DRVMAINDISPLAY
70	{
71	/** Pointer to the display object. */
72	Display *pDisplay;
73	/** Pointer to the driver instance structure. */
74	PPDMDRVINS pDrvIns;
75	/** Pointer to the keyboard port interface of the driver/device above us. */
76	PPDMIDISPLAYPORT pUpPort;
77	/** Our display connector interface. */
78	PDMIDISPLAYCONNECTOR IConnector;
79	#if defined(VBOX_WITH_VIDEOHWACCEL) \|\| defined(VBOX_WITH_CRHGSMI)
80	/** VBVA callbacks */
81	PPDMIDISPLAYVBVACALLBACKS pVBVACallbacks;
82	#endif
83	} DRVMAINDISPLAY, *PDRVMAINDISPLAY;
84
85	/** Converts PDMIDISPLAYCONNECTOR pointer to a DRVMAINDISPLAY pointer. */
86	#define PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface) RT_FROM_MEMBER(pInterface, DRVMAINDISPLAY, IConnector)
87
88	#ifdef DEBUG_sunlover
89	static STAMPROFILE g_StatDisplayRefresh;
90	static int g_stam = 0;
91	#endif /* DEBUG_sunlover */
92
93	// constructor / destructor
94	/////////////////////////////////////////////////////////////////////////////
95
96	Display::Display()
97	: mParent(NULL)
98	{
99	}
100
101	Display::~Display()
102	{
103	}
104
105
106	HRESULT Display::FinalConstruct()
107	{
108	mpVbvaMemory = NULL;
109	mfVideoAccelEnabled = false;
110	mfVideoAccelVRDP = false;
111	mfu32SupportedOrders = 0;
112	mcVideoAccelVRDPRefs = 0;
113
114	mpPendingVbvaMemory = NULL;
115	mfPendingVideoAccelEnable = false;
116
117	mfMachineRunning = false;
118	#ifdef VBOX_WITH_CROGL
119	mfCrOglDataHidden = false;
120	#endif
121
122	mpu8VbvaPartial = NULL;
123	mcbVbvaPartial = 0;
124
125	mpDrv = NULL;
126	mpVMMDev = NULL;
127	mfVMMDevInited = false;
128
129	mLastAddress = NULL;
130	mLastBytesPerLine = 0;
131	mLastBitsPerPixel = 0,
132	mLastWidth = 0;
133	mLastHeight = 0;
134
135	int rc = RTCritSectInit(&mVBVALock);
136	AssertRC(rc);
137
138	rc = RTCritSectInit(&mSaveSeamlessRectLock);
139	AssertRC(rc);
140
141	mfu32PendingVideoAccelDisable = false;
142
143	#ifdef VBOX_WITH_HGSMI
144	mu32UpdateVBVAFlags = 0;
145	#endif
146	#ifdef VBOX_WITH_VPX
147	mpVideoRecCtx = NULL;
148	for (unsigned i = 0; i < RT_ELEMENTS(maVideoRecEnabled); i++)
149	maVideoRecEnabled[i] = true;
150	#endif
151
152	#ifdef VBOX_WITH_CRHGSMI
153	mhCrOglSvc = NULL;
154	#endif
155	#ifdef VBOX_WITH_CROGL
156	RT_ZERO(mCrOglCallbacks);
157	RT_ZERO(mCrOglScreenshotData);
158	mfCrOglVideoRecState = CRVREC_STATE_IDLE;
159	mCrOglScreenshotData.u32Screen = CRSCREEN_ALL;
160	mCrOglScreenshotData.pvContext = this;
161	mCrOglScreenshotData.pfnScreenshotBegin = displayCrVRecScreenshotBegin;
162	mCrOglScreenshotData.pfnScreenshotPerform = displayCrVRecScreenshotPerform;
163	mCrOglScreenshotData.pfnScreenshotEnd = displayCrVRecScreenshotEnd;
164	#endif
165
166	return BaseFinalConstruct();
167	}
168
169	void Display::FinalRelease()
170	{
171	uninit();
172
173	if (RTCritSectIsInitialized (&mVBVALock))
174	{
175	RTCritSectDelete (&mVBVALock);
176	RT_ZERO(mVBVALock);
177	}
178
179	if (RTCritSectIsInitialized(&mSaveSeamlessRectLock))
180	{
181	RTCritSectDelete(&mSaveSeamlessRectLock);
182	RT_ZERO(mSaveSeamlessRectLock);
183	}
184	BaseFinalRelease();
185	}
186
187	// public initializer/uninitializer for internal purposes only
188	/////////////////////////////////////////////////////////////////////////////
189
190	#define kMaxSizeThumbnail 64
191
192	/**
193	* Save thumbnail and screenshot of the guest screen.
194	*/
195	static int displayMakeThumbnail(uint8_t *pu8Data, uint32_t cx, uint32_t cy,
196	uint8_t *ppu8Thumbnail, uint32_t pcbThumbnail, uint32_t pcxThumbnail, uint32_t pcyThumbnail)
197	{
198	int rc = VINF_SUCCESS;
199
200	uint8_t *pu8Thumbnail = NULL;
201	uint32_t cbThumbnail = 0;
202	uint32_t cxThumbnail = 0;
203	uint32_t cyThumbnail = 0;
204
205	if (cx > cy)
206	{
207	cxThumbnail = kMaxSizeThumbnail;
208	cyThumbnail = (kMaxSizeThumbnail * cy) / cx;
209	}
210	else
211	{
212	cyThumbnail = kMaxSizeThumbnail;
213	cxThumbnail = (kMaxSizeThumbnail * cx) / cy;
214	}
215
216	LogRelFlowFunc(("%dx%d -> %dx%d\n", cx, cy, cxThumbnail, cyThumbnail));
217
218	cbThumbnail = cxThumbnail * 4 * cyThumbnail;
219	pu8Thumbnail = (uint8_t *)RTMemAlloc(cbThumbnail);
220
221	if (pu8Thumbnail)
222	{
223	uint8_t *dst = pu8Thumbnail;
224	uint8_t *src = pu8Data;
225	int dstW = cxThumbnail;
226	int dstH = cyThumbnail;
227	int srcW = cx;
228	int srcH = cy;
229	int iDeltaLine = cx * 4;
230
231	BitmapScale32 (dst,
232	dstW, dstH,
233	src,
234	iDeltaLine,
235	srcW, srcH);
236
237	*ppu8Thumbnail = pu8Thumbnail;
238	*pcbThumbnail = cbThumbnail;
239	*pcxThumbnail = cxThumbnail;
240	*pcyThumbnail = cyThumbnail;
241	}
242	else
243	{
244	rc = VERR_NO_MEMORY;
245	}
246
247	return rc;
248	}
249
250	#ifdef VBOX_WITH_CROGL
251	typedef struct
252	{
253	CRVBOXHGCMTAKESCREENSHOT Base;
254
255	/* 32bpp small RGB image. */
256	uint8_t *pu8Thumbnail;
257	uint32_t cbThumbnail;
258	uint32_t cxThumbnail;
259	uint32_t cyThumbnail;
260
261	/* PNG screenshot. */
262	uint8_t *pu8PNG;
263	uint32_t cbPNG;
264	uint32_t cxPNG;
265	uint32_t cyPNG;
266	} VBOX_DISPLAY_SAVESCREENSHOT_DATA;
267
268	static DECLCALLBACK(void) displaySaveScreenshotReport(void *pvCtx, uint32_t uScreen,
269	uint32_t x, uint32_t y, uint32_t uBitsPerPixel,
270	uint32_t uBytesPerLine, uint32_t uGuestWidth, uint32_t uGuestHeight,
271	uint8_t *pu8BufferAddress, uint64_t u64TimeStamp)
272	{
273	VBOX_DISPLAY_SAVESCREENSHOT_DATA pData = (VBOX_DISPLAY_SAVESCREENSHOT_DATA)pvCtx;
274	displayMakeThumbnail(pu8BufferAddress, uGuestWidth, uGuestHeight, &pData->pu8Thumbnail, &pData->cbThumbnail, &pData->cxThumbnail, &pData->cyThumbnail);
275	int rc = DisplayMakePNG(pu8BufferAddress, uGuestWidth, uGuestHeight, &pData->pu8PNG, &pData->cbPNG, &pData->cxPNG, &pData->cyPNG, 1);
276	if (RT_FAILURE(rc))
277	{
278	AssertMsgFailed(("DisplayMakePNG failed %d\n", rc));
279	if (pData->pu8PNG)
280	{
281	RTMemFree(pData->pu8PNG);
282	pData->pu8PNG = NULL;
283	}
284	pData->cbPNG = 0;
285	pData->cxPNG = 0;
286	pData->cyPNG = 0;
287	}
288	}
289	#endif
290
291	DECLCALLBACK(void)
292	Display::displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser)
293	{
294	Display that = static_cast<Display>(pvUser);
295
296	/* 32bpp small RGB image. */
297	uint8_t *pu8Thumbnail = NULL;
298	uint32_t cbThumbnail = 0;
299	uint32_t cxThumbnail = 0;
300	uint32_t cyThumbnail = 0;
301
302	/* PNG screenshot. */
303	uint8_t *pu8PNG = NULL;
304	uint32_t cbPNG = 0;
305	uint32_t cxPNG = 0;
306	uint32_t cyPNG = 0;
307
308	Console::SafeVMPtr ptrVM(that->mParent);
309	if (ptrVM.isOk())
310	{
311	/* Query RGB bitmap. */
312	uint8_t *pu8Data = NULL;
313	size_t cbData = 0;
314	uint32_t cx = 0;
315	uint32_t cy = 0;
316
317	#ifdef VBOX_WITH_CROGL
318	BOOL f3DSnapshot = FALSE;
319	BOOL is3denabled;
320	that->mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
321	if (is3denabled && that->mCrOglCallbacks.pfnHasData())
322	{
323	VMMDev *pVMMDev = that->mParent->getVMMDev();
324	if (pVMMDev)
325	{
326	VBOX_DISPLAY_SAVESCREENSHOT_DATA pScreenshot = (VBOX_DISPLAY_SAVESCREENSHOT_DATA)RTMemAllocZ(sizeof (*pScreenshot));
327	if (pScreenshot)
328	{
329	/* screen id or CRSCREEN_ALL to specify all enabled */
330	pScreenshot->Base.u32Screen = 0;
331	pScreenshot->Base.u32Width = 0;
332	pScreenshot->Base.u32Height = 0;
333	pScreenshot->Base.u32Pitch = 0;
334	pScreenshot->Base.pvBuffer = NULL;
335	pScreenshot->Base.pvContext = pScreenshot;
336	pScreenshot->Base.pfnScreenshotBegin = NULL;
337	pScreenshot->Base.pfnScreenshotPerform = displaySaveScreenshotReport;
338	pScreenshot->Base.pfnScreenshotEnd = NULL;
339
340	VBOXCRCMDCTL_HGCM data;
341	data.Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
342	data.Hdr.u32Function = SHCRGL_HOST_FN_TAKE_SCREENSHOT;
343
344	data.aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
345	data.aParms[0].u.pointer.addr = &pScreenshot->Base;
346	data.aParms[0].u.pointer.size = sizeof (pScreenshot->Base);
347
348	int rc = that->crCtlSubmitSync(&data.Hdr, sizeof (data));
349	if (RT_SUCCESS(rc))
350	{
351	if (pScreenshot->pu8PNG)
352	{
353	pu8Thumbnail = pScreenshot->pu8Thumbnail;
354	cbThumbnail = pScreenshot->cbThumbnail;
355	cxThumbnail = pScreenshot->cxThumbnail;
356	cyThumbnail = pScreenshot->cyThumbnail;
357
358	/* PNG screenshot. */
359	pu8PNG = pScreenshot->pu8PNG;
360	cbPNG = pScreenshot->cbPNG;
361	cxPNG = pScreenshot->cxPNG;
362	cyPNG = pScreenshot->cyPNG;
363	f3DSnapshot = TRUE;
364	}
365	else
366	AssertMsgFailed(("no png\n"));
367	}
368	else
369	AssertMsgFailed(("SHCRGL_HOST_FN_TAKE_SCREENSHOT failed %d\n", rc));
370
371
372	RTMemFree(pScreenshot);
373	}
374	}
375	}
376
377	if (!f3DSnapshot)
378	#endif
379	{
380	/* SSM code is executed on EMT(0), therefore no need to use VMR3ReqCallWait. */
381	int rc = Display::displayTakeScreenshotEMT(that, VBOX_VIDEO_PRIMARY_SCREEN, &pu8Data, &cbData, &cx, &cy);
382
383	/*
384	* It is possible that success is returned but everything is 0 or NULL.
385	* (no display attached if a VM is running with VBoxHeadless on OSE for example)
386	*/
387	if (RT_SUCCESS(rc) && pu8Data)
388	{
389	Assert(cx && cy);
390
391	/* Prepare a small thumbnail and a PNG screenshot. */
392	displayMakeThumbnail(pu8Data, cx, cy, &pu8Thumbnail, &cbThumbnail, &cxThumbnail, &cyThumbnail);
393	rc = DisplayMakePNG(pu8Data, cx, cy, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 1);
394	if (RT_FAILURE(rc))
395	{
396	if (pu8PNG)
397	{
398	RTMemFree(pu8PNG);
399	pu8PNG = NULL;
400	}
401	cbPNG = 0;
402	cxPNG = 0;
403	cyPNG = 0;
404	}
405
406	/* This can be called from any thread. */
407	that->mpDrv->pUpPort->pfnFreeScreenshot(that->mpDrv->pUpPort, pu8Data);
408	}
409	}
410	}
411	else
412	{
413	LogFunc(("Failed to get VM pointer 0x%x\n", ptrVM.rc()));
414	}
415
416	/* Regardless of rc, save what is available:
417	* Data format:
418	* uint32_t cBlocks;
419	* [blocks]
420	*
421	* Each block is:
422	* uint32_t cbBlock; if 0 - no 'block data'.
423	* uint32_t typeOfBlock; 0 - 32bpp RGB bitmap, 1 - PNG, ignored if 'cbBlock' is 0.
424	* [block data]
425	*
426	* Block data for bitmap and PNG:
427	* uint32_t cx;
428	* uint32_t cy;
429	* [image data]
430	*/
431	SSMR3PutU32(pSSM, 2); /* Write thumbnail and PNG screenshot. */
432
433	/* First block. */
434	SSMR3PutU32(pSSM, cbThumbnail + 2 * sizeof (uint32_t));
435	SSMR3PutU32(pSSM, 0); /* Block type: thumbnail. */
436
437	if (cbThumbnail)
438	{
439	SSMR3PutU32(pSSM, cxThumbnail);
440	SSMR3PutU32(pSSM, cyThumbnail);
441	SSMR3PutMem(pSSM, pu8Thumbnail, cbThumbnail);
442	}
443
444	/* Second block. */
445	SSMR3PutU32(pSSM, cbPNG + 2 * sizeof (uint32_t));
446	SSMR3PutU32(pSSM, 1); /* Block type: png. */
447
448	if (cbPNG)
449	{
450	SSMR3PutU32(pSSM, cxPNG);
451	SSMR3PutU32(pSSM, cyPNG);
452	SSMR3PutMem(pSSM, pu8PNG, cbPNG);
453	}
454
455	RTMemFree(pu8PNG);
456	RTMemFree(pu8Thumbnail);
457	}
458
459	DECLCALLBACK(int)
460	Display::displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
461	{
462	Display that = static_cast<Display>(pvUser);
463
464	if (uVersion != sSSMDisplayScreenshotVer)
465	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
466	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
467
468	/* Skip data. */
469	uint32_t cBlocks;
470	int rc = SSMR3GetU32(pSSM, &cBlocks);
471	AssertRCReturn(rc, rc);
472
473	for (uint32_t i = 0; i < cBlocks; i++)
474	{
475	uint32_t cbBlock;
476	rc = SSMR3GetU32(pSSM, &cbBlock);
477	AssertRCBreak(rc);
478
479	uint32_t typeOfBlock;
480	rc = SSMR3GetU32(pSSM, &typeOfBlock);
481	AssertRCBreak(rc);
482
483	LogRelFlowFunc(("[%d] type %d, size %d bytes\n", i, typeOfBlock, cbBlock));
484
485	/* Note: displaySSMSaveScreenshot writes size of a block = 8 and
486	* do not write any data if the image size was 0.
487	* @todo Fix and increase saved state version.
488	*/
489	if (cbBlock > 2 * sizeof (uint32_t))
490	{
491	rc = SSMR3Skip(pSSM, cbBlock);
492	AssertRCBreak(rc);
493	}
494	}
495
496	return rc;
497	}
498
499	/**
500	* Save/Load some important guest state
501	*/
502	DECLCALLBACK(void)
503	Display::displaySSMSave(PSSMHANDLE pSSM, void *pvUser)
504	{
505	Display that = static_cast<Display>(pvUser);
506
507	SSMR3PutU32(pSSM, that->mcMonitors);
508	for (unsigned i = 0; i < that->mcMonitors; i++)
509	{
510	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32Offset);
511	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32MaxFramebufferSize);
512	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32InformationSize);
513	SSMR3PutU32(pSSM, that->maFramebuffers[i].w);
514	SSMR3PutU32(pSSM, that->maFramebuffers[i].h);
515	SSMR3PutS32(pSSM, that->maFramebuffers[i].xOrigin);
516	SSMR3PutS32(pSSM, that->maFramebuffers[i].yOrigin);
517	SSMR3PutU32(pSSM, that->maFramebuffers[i].flags);
518	}
519	}
520
521	DECLCALLBACK(int)
522	Display::displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
523	{
524	Display that = static_cast<Display>(pvUser);
525
526	if (!( uVersion == sSSMDisplayVer
527	\|\| uVersion == sSSMDisplayVer2
528	\|\| uVersion == sSSMDisplayVer3))
529	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
530	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
531
532	uint32_t cMonitors;
533	int rc = SSMR3GetU32(pSSM, &cMonitors);
534	if (cMonitors != that->mcMonitors)
535	return SSMR3SetCfgError(pSSM, RT_SRC_POS, N_("Number of monitors changed (%d->%d)!"), cMonitors, that->mcMonitors);
536
537	for (uint32_t i = 0; i < cMonitors; i++)
538	{
539	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32Offset);
540	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32MaxFramebufferSize);
541	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32InformationSize);
542	if ( uVersion == sSSMDisplayVer2
543	\|\| uVersion == sSSMDisplayVer3)
544	{
545	uint32_t w;
546	uint32_t h;
547	SSMR3GetU32(pSSM, &w);
548	SSMR3GetU32(pSSM, &h);
549	that->maFramebuffers[i].w = w;
550	that->maFramebuffers[i].h = h;
551	}
552	if (uVersion == sSSMDisplayVer3)
553	{
554	int32_t xOrigin;
555	int32_t yOrigin;
556	uint32_t flags;
557	SSMR3GetS32(pSSM, &xOrigin);
558	SSMR3GetS32(pSSM, &yOrigin);
559	SSMR3GetU32(pSSM, &flags);
560	that->maFramebuffers[i].xOrigin = xOrigin;
561	that->maFramebuffers[i].yOrigin = yOrigin;
562	that->maFramebuffers[i].flags = (uint16_t)flags;
563	that->maFramebuffers[i].fDisabled = (that->maFramebuffers[i].flags & VBVA_SCREEN_F_DISABLED) != 0;
564	}
565	}
566
567	return VINF_SUCCESS;
568	}
569
570	/**
571	* Initializes the display object.
572	*
573	* @returns COM result indicator
574	* @param parent handle of our parent object
575	* @param qemuConsoleData address of common console data structure
576	*/
577	HRESULT Display::init(Console *aParent)
578	{
579	ComAssertRet(aParent, E_INVALIDARG);
580	/* Enclose the state transition NotReady->InInit->Ready */
581	AutoInitSpan autoInitSpan(this);
582	AssertReturn(autoInitSpan.isOk(), E_FAIL);
583
584	unconst(mParent) = aParent;
585
586	ULONG ul;
587	mParent->machine()->COMGETTER(MonitorCount)(&ul);
588	mcMonitors = ul;
589
590	for (ul = 0; ul < mcMonitors; ul++)
591	{
592	maFramebuffers[ul].u32Offset = 0;
593	maFramebuffers[ul].u32MaxFramebufferSize = 0;
594	maFramebuffers[ul].u32InformationSize = 0;
595
596	maFramebuffers[ul].pFramebuffer = NULL;
597	/* All secondary monitors are disabled at startup. */
598	maFramebuffers[ul].fDisabled = ul > 0;
599
600	maFramebuffers[ul].xOrigin = 0;
601	maFramebuffers[ul].yOrigin = 0;
602
603	maFramebuffers[ul].w = 0;
604	maFramebuffers[ul].h = 0;
605
606	maFramebuffers[ul].flags = maFramebuffers[ul].fDisabled? VBVA_SCREEN_F_DISABLED: 0;
607
608	maFramebuffers[ul].u16BitsPerPixel = 0;
609	maFramebuffers[ul].pu8FramebufferVRAM = NULL;
610	maFramebuffers[ul].u32LineSize = 0;
611
612	maFramebuffers[ul].pHostEvents = NULL;
613
614	maFramebuffers[ul].u32ResizeStatus = ResizeStatus_Void;
615
616	maFramebuffers[ul].fDefaultFormat = false;
617
618	maFramebuffers[ul].mcSavedVisibleRegion = 0;
619	maFramebuffers[ul].mpSavedVisibleRegion = NULL;
620
621	RT_ZERO(maFramebuffers[ul].dirtyRect);
622	RT_ZERO(maFramebuffers[ul].pendingResize);
623	#ifdef VBOX_WITH_HGSMI
624	maFramebuffers[ul].fVBVAEnabled = false;
625	maFramebuffers[ul].fVBVAForceResize = false;
626	maFramebuffers[ul].cVBVASkipUpdate = 0;
627	RT_ZERO(maFramebuffers[ul].vbvaSkippedRect);
628	maFramebuffers[ul].pVBVAHostFlags = NULL;
629	#endif /* VBOX_WITH_HGSMI */
630	#ifdef VBOX_WITH_CROGL
631	RT_ZERO(maFramebuffers[ul].pendingViewportInfo);
632	#endif
633	}
634
635	{
636	// register listener for state change events
637	ComPtr<IEventSource> es;
638	mParent->COMGETTER(EventSource)(es.asOutParam());
639	com::SafeArray <VBoxEventType_T> eventTypes;
640	eventTypes.push_back(VBoxEventType_OnStateChanged);
641	es->RegisterListener(this, ComSafeArrayAsInParam(eventTypes), true);
642	}
643
644	/* Confirm a successful initialization */
645	autoInitSpan.setSucceeded();
646
647	return S_OK;
648	}
649
650	/**
651	* Uninitializes the instance and sets the ready flag to FALSE.
652	* Called either from FinalRelease() or by the parent when it gets destroyed.
653	*/
654	void Display::uninit()
655	{
656	LogRelFlowFunc(("this=%p\n", this));
657
658	/* Enclose the state transition Ready->InUninit->NotReady */
659	AutoUninitSpan autoUninitSpan(this);
660	if (autoUninitSpan.uninitDone())
661	return;
662
663	ULONG ul;
664	for (ul = 0; ul < mcMonitors; ul++)
665	maFramebuffers[ul].pFramebuffer = NULL;
666
667	if (mParent)
668	{
669	ComPtr<IEventSource> es;
670	mParent->COMGETTER(EventSource)(es.asOutParam());
671	es->UnregisterListener(this);
672	}
673
674	unconst(mParent) = NULL;
675
676	if (mpDrv)
677	mpDrv->pDisplay = NULL;
678
679	mpDrv = NULL;
680	mpVMMDev = NULL;
681	mfVMMDevInited = true;
682	}
683
684	/**
685	* Register the SSM methods. Called by the power up thread to be able to
686	* pass pVM
687	*/
688	int Display::registerSSM(PUVM pUVM)
689	{
690	/* Version 2 adds width and height of the framebuffer; version 3 adds
691	* the framebuffer offset in the virtual desktop and the framebuffer flags.
692	*/
693	int rc = SSMR3RegisterExternal(pUVM, "DisplayData", 0, sSSMDisplayVer3,
694	mcMonitors * sizeof(uint32_t) * 8 + sizeof(uint32_t),
695	NULL, NULL, NULL,
696	NULL, displaySSMSave, NULL,
697	NULL, displaySSMLoad, NULL, this);
698	AssertRCReturn(rc, rc);
699
700	/*
701	* Register loaders for old saved states where iInstance was
702	* 3 * sizeof(uint32_t *) due to a code mistake.
703	*/
704	rc = SSMR3RegisterExternal(pUVM, "DisplayData", 12 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
705	NULL, NULL, NULL,
706	NULL, NULL, NULL,
707	NULL, displaySSMLoad, NULL, this);
708	AssertRCReturn(rc, rc);
709
710	rc = SSMR3RegisterExternal(pUVM, "DisplayData", 24 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
711	NULL, NULL, NULL,
712	NULL, NULL, NULL,
713	NULL, displaySSMLoad, NULL, this);
714	AssertRCReturn(rc, rc);
715
716	/* uInstance is an arbitrary value greater than 1024. Such a value will ensure a quick seek in saved state file. */
717	rc = SSMR3RegisterExternal(pUVM, "DisplayScreenshot", 1100 /uInstance/, sSSMDisplayScreenshotVer, 0 /cbGuess/,
718	NULL, NULL, NULL,
719	NULL, displaySSMSaveScreenshot, NULL,
720	NULL, displaySSMLoadScreenshot, NULL, this);
721
722	AssertRCReturn(rc, rc);
723
724	return VINF_SUCCESS;
725	}
726
727	DECLCALLBACK(void) Display::displayCrCmdFree(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd, int rc, void *pvCompletion)
728	{
729	Assert(pvCompletion);
730	RTMemFree(pvCompletion);
731	}
732
733	#ifdef VBOX_WITH_CROGL
734	int Display::crOglWindowsShow(bool fShow)
735	{
736	if (!mfCrOglDataHidden == !!fShow)
737	return VINF_SUCCESS;
738
739	if (!mhCrOglSvc)
740	{
741	/* no 3D */
742	#ifdef DEBUG
743	BOOL is3denabled;
744	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
745	Assert(!is3denabled);
746	#endif
747	return VERR_INVALID_STATE;
748	}
749
750	VMMDev *pVMMDev = mParent->getVMMDev();
751	if (!pVMMDev)
752	{
753	AssertMsgFailed(("no vmmdev\n"));
754	return VERR_INVALID_STATE;
755	}
756
757	VBOXCRCMDCTL_HGCM pData = (VBOXCRCMDCTL_HGCM)RTMemAlloc(sizeof (VBOXCRCMDCTL_HGCM));
758	if (!pData)
759	{
760	AssertMsgFailed(("RTMemAlloc failed\n"));
761	return VERR_NO_MEMORY;
762	}
763
764	pData->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
765	pData->Hdr.u32Function = SHCRGL_HOST_FN_WINDOWS_SHOW;
766
767	pData->aParms[0].type = VBOX_HGCM_SVC_PARM_32BIT;
768	pData->aParms[0].u.uint32 = (uint32_t)fShow;
769
770	int rc = crCtlSubmit(&pData->Hdr, sizeof (*pData), displayCrCmdFree, pData);
771	if (RT_SUCCESS(rc))
772	mfCrOglDataHidden = !fShow;
773	else
774	{
775	AssertMsgFailed(("crCtlSubmit failed rc %n", rc));
776	RTMemFree(pData);
777	}
778
779	return rc;
780	}
781	#endif
782
783
784	// IEventListener method
785	STDMETHODIMP Display::HandleEvent(IEvent * aEvent)
786	{
787	VBoxEventType_T aType = VBoxEventType_Invalid;
788
789	aEvent->COMGETTER(Type)(&aType);
790	switch (aType)
791	{
792	case VBoxEventType_OnStateChanged:
793	{
794	ComPtr<IStateChangedEvent> scev = aEvent;
795	Assert(scev);
796	MachineState_T machineState;
797	scev->COMGETTER(State)(&machineState);
798	if ( machineState == MachineState_Running
799	\|\| machineState == MachineState_Teleporting
800	\|\| machineState == MachineState_LiveSnapshotting
801	)
802	{
803	LogRelFlowFunc(("Machine is running.\n"));
804
805	mfMachineRunning = true;
806
807	#ifdef VBOX_WITH_CROGL
808	crOglWindowsShow(true);
809	#endif
810	}
811	else
812	{
813	mfMachineRunning = false;
814
815	#ifdef VBOX_WITH_CROGL
816	if (machineState == MachineState_Paused)
817	crOglWindowsShow(false);
818	#endif
819	}
820	break;
821	}
822	default:
823	AssertFailed();
824	}
825
826	return S_OK;
827	}
828
829	// public methods only for internal purposes
830	/////////////////////////////////////////////////////////////////////////////
831
832	/**
833	* @thread EMT
834	*/
835	static int callFramebufferResize (IFramebuffer *pFramebuffer, unsigned uScreenId,
836	ULONG pixelFormat, void *pvVRAM,
837	uint32_t bpp, uint32_t cbLine,
838	uint32_t w, uint32_t h)
839	{
840	Assert (pFramebuffer);
841
842	/* Call the framebuffer to try and set required pixelFormat. */
843	BOOL finished = TRUE;
844
845	pFramebuffer->RequestResize (uScreenId, pixelFormat, (BYTE *) pvVRAM,
846	bpp, cbLine, w, h, &finished);
847
848	if (!finished)
849	{
850	LogRelFlowFunc(("External framebuffer wants us to wait!\n"));
851	return VINF_VGA_RESIZE_IN_PROGRESS;
852	}
853
854	return VINF_SUCCESS;
855	}
856
857	int Display::notifyCroglResize(const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, void *pvVRAM)
858	{
859	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
860	BOOL is3denabled;
861	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
862
863	if (is3denabled)
864	{
865	int rc = VERR_INVALID_STATE;
866	if (mhCrOglSvc)
867	{
868	VMMDev *pVMMDev = mParent->getVMMDev();
869	if (pVMMDev)
870	{
871	VBOXCRCMDCTL_HGCM pCtl = (VBOXCRCMDCTL_HGCM)RTMemAlloc(sizeof (CRVBOXHGCMDEVRESIZE) + sizeof (VBOXCRCMDCTL_HGCM));
872	if (pCtl)
873	{
874	CRVBOXHGCMDEVRESIZE pData = (CRVBOXHGCMDEVRESIZE)(pCtl+1);
875	pData->Screen = *pScreen;
876	pData->pvVRAM = pvVRAM;
877
878	pCtl->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
879	pCtl->Hdr.u32Function = SHCRGL_HOST_FN_DEV_RESIZE;
880	pCtl->aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
881	pCtl->aParms[0].u.pointer.addr = pData;
882	pCtl->aParms[0].u.pointer.size = sizeof (*pData);
883
884	rc = crCtlSubmit(&pCtl->Hdr, sizeof (*pCtl), displayCrCmdFree, pCtl);
885	if (!RT_SUCCESS(rc))
886	{
887	AssertMsgFailed(("crCtlSubmit failed rc %n", rc));
888	RTMemFree(pCtl);
889	}
890	}
891	else
892	rc = VERR_NO_MEMORY;
893	}
894	}
895
896	return rc;
897	}
898	#endif /* #if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL) */
899	return VINF_SUCCESS;
900	}
901
902	/**
903	* Handles display resize event.
904	* Disables access to VGA device;
905	* calls the framebuffer RequestResize method;
906	* if framebuffer resizes synchronously,
907	* updates the display connector data and enables access to the VGA device.
908	*
909	* @param w New display width
910	* @param h New display height
911	*
912	* @thread EMT
913	*/
914	int Display::handleDisplayResize (unsigned uScreenId, uint32_t bpp, void *pvVRAM,
915	uint32_t cbLine, uint32_t w, uint32_t h, uint16_t flags)
916	{
917	LogRel(("Display::handleDisplayResize(): uScreenId = %d, pvVRAM=%p "
918	"w=%d h=%d bpp=%d cbLine=0x%X, flags=0x%X\n",
919	uScreenId, pvVRAM, w, h, bpp, cbLine, flags));
920
921	/* If there is no framebuffer, this call is not interesting. */
922	if ( uScreenId >= mcMonitors
923	\|\| maFramebuffers[uScreenId].pFramebuffer.isNull())
924	{
925	return VINF_SUCCESS;
926	}
927
928	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
929	{
930	mLastAddress = pvVRAM;
931	mLastBytesPerLine = cbLine;
932	mLastBitsPerPixel = bpp;
933	mLastWidth = w;
934	mLastHeight = h;
935	mLastFlags = flags;
936	}
937
938	ULONG pixelFormat;
939
940	switch (bpp)
941	{
942	case 32:
943	case 24:
944	case 16:
945	pixelFormat = FramebufferPixelFormat_FOURCC_RGB;
946	break;
947	default:
948	pixelFormat = FramebufferPixelFormat_Opaque;
949	bpp = cbLine = 0;
950	break;
951	}
952
953	/* Atomically set the resize status before calling the framebuffer. The new InProgress status will
954	* disable access to the VGA device by the EMT thread.
955	*/
956	bool f = ASMAtomicCmpXchgU32 (&maFramebuffers[uScreenId].u32ResizeStatus,
957	ResizeStatus_InProgress, ResizeStatus_Void);
958	if (!f)
959	{
960	/* This could be a result of the screenshot taking call Display::TakeScreenShot:
961	* if the framebuffer is processing the resize request and GUI calls the TakeScreenShot
962	* and the guest has reprogrammed the virtual VGA devices again so a new resize is required.
963	*
964	* Save the resize information and return the pending status code.
965	*
966	* Note: the resize information is only accessed on EMT so no serialization is required.
967	*/
968	LogRel(("Display::handleDisplayResize(): Warning: resize postponed.\n"));
969
970	maFramebuffers[uScreenId].pendingResize.fPending = true;
971	maFramebuffers[uScreenId].pendingResize.pixelFormat = pixelFormat;
972	maFramebuffers[uScreenId].pendingResize.pvVRAM = pvVRAM;
973	maFramebuffers[uScreenId].pendingResize.bpp = bpp;
974	maFramebuffers[uScreenId].pendingResize.cbLine = cbLine;
975	maFramebuffers[uScreenId].pendingResize.w = w;
976	maFramebuffers[uScreenId].pendingResize.h = h;
977	maFramebuffers[uScreenId].pendingResize.flags = flags;
978
979	return VINF_VGA_RESIZE_IN_PROGRESS;
980	}
981
982	/* Framebuffer will be invalid during resize, make sure that it is not accessed. */
983	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
984	mpDrv->pUpPort->pfnSetRenderVRAM (mpDrv->pUpPort, false);
985
986	int rc = callFramebufferResize (maFramebuffers[uScreenId].pFramebuffer, uScreenId,
987	pixelFormat, pvVRAM, bpp, cbLine, w, h);
988	if (rc == VINF_VGA_RESIZE_IN_PROGRESS)
989	{
990	/* Immediately return to the caller. ResizeCompleted will be called back by the
991	* GUI thread. The ResizeCompleted callback will change the resize status from
992	* InProgress to UpdateDisplayData. The latter status will be checked by the
993	* display timer callback on EMT and all required adjustments will be done there.
994	*/
995	return rc;
996	}
997
998	/* Set the status so the 'handleResizeCompleted' would work. */
999	f = ASMAtomicCmpXchgU32 (&maFramebuffers[uScreenId].u32ResizeStatus,
1000	ResizeStatus_UpdateDisplayData, ResizeStatus_InProgress);
1001	AssertRelease(f);NOREF(f);
1002
1003	AssertRelease(!maFramebuffers[uScreenId].pendingResize.fPending);
1004
1005	/* The method also unlocks the framebuffer. */
1006	handleResizeCompletedEMT(uScreenId);
1007
1008	return VINF_SUCCESS;
1009	}
1010
1011	/**
1012	* Framebuffer has been resized.
1013	* Read the new display data and unlock the framebuffer.
1014	*
1015	* @thread EMT
1016	*/
1017	void Display::handleResizeCompletedEMT(unsigned uScreenId)
1018	{
1019	LogRelFlowFunc(("\n"));
1020
1021	do /* to use 'break' */
1022	{
1023	if (uScreenId >= mcMonitors)
1024	{
1025	break;
1026	}
1027
1028	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1029
1030	/* Try to into non resizing state. */
1031	bool f = ASMAtomicCmpXchgU32 (&pFBInfo->u32ResizeStatus, ResizeStatus_Void, ResizeStatus_UpdateDisplayData);
1032
1033	if (f == false)
1034	{
1035	/* This is not the display that has completed resizing. */
1036	AssertFailed();
1037	break;
1038	}
1039
1040	/* Check whether a resize is pending for this framebuffer. */
1041	if (pFBInfo->pendingResize.fPending)
1042	{
1043	/* Reset the condition, call the display resize with saved data and continue.
1044	*
1045	* Note: handleDisplayResize can call handleResizeCompletedEMT back,
1046	* but infinite recursion is not possible, because when the handleResizeCompletedEMT
1047	* is called, the pFBInfo->pendingResize.fPending is equal to false.
1048	*/
1049	pFBInfo->pendingResize.fPending = false;
1050	handleDisplayResize (uScreenId, pFBInfo->pendingResize.bpp, pFBInfo->pendingResize.pvVRAM,
1051	pFBInfo->pendingResize.cbLine, pFBInfo->pendingResize.w, pFBInfo->pendingResize.h, pFBInfo->pendingResize.flags);
1052	break;
1053	}
1054
1055	/* Inform VRDP server about the change of display parameters.
1056	* Must be done before calling NotifyUpdate below.
1057	*/
1058	LogRelFlowFunc(("Calling VRDP\n"));
1059	mParent->consoleVRDPServer()->SendResize();
1060
1061	/* @todo Merge these two 'if's within one 'if (!pFBInfo->pFramebuffer.isNull())' */
1062	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && !pFBInfo->pFramebuffer.isNull())
1063	{
1064	/* Primary framebuffer has completed the resize. Update the connector data for VGA device. */
1065	int rc2 = updateDisplayData();
1066
1067	/* Check the framebuffer pixel format to setup the rendering in VGA device. */
1068	BOOL usesGuestVRAM = FALSE;
1069	pFBInfo->pFramebuffer->COMGETTER(UsesGuestVRAM) (&usesGuestVRAM);
1070
1071	pFBInfo->fDefaultFormat = (usesGuestVRAM == FALSE);
1072
1073	/* If the primary framebuffer is disabled, tell the VGA device to not to copy
1074	* pixels from VRAM to the framebuffer.
1075	*/
1076	if (pFBInfo->fDisabled \|\| RT_FAILURE(rc2))
1077	mpDrv->pUpPort->pfnSetRenderVRAM (mpDrv->pUpPort, false);
1078	else
1079	mpDrv->pUpPort->pfnSetRenderVRAM (mpDrv->pUpPort,
1080	pFBInfo->fDefaultFormat);
1081
1082	/* If the screen resize was because of disabling, tell framebuffer to repaint.
1083	* The framebuffer if now in default format so it will not use guest VRAM
1084	* and will show usually black image which is there after framebuffer resize.
1085	*/
1086	if (pFBInfo->fDisabled)
1087	pFBInfo->pFramebuffer->NotifyUpdate(0, 0, mpDrv->IConnector.cx, mpDrv->IConnector.cy);
1088	}
1089	else if (!pFBInfo->pFramebuffer.isNull())
1090	{
1091	BOOL usesGuestVRAM = FALSE;
1092	pFBInfo->pFramebuffer->COMGETTER(UsesGuestVRAM) (&usesGuestVRAM);
1093
1094	pFBInfo->fDefaultFormat = (usesGuestVRAM == FALSE);
1095
1096	/* If the screen resize was because of disabling, tell framebuffer to repaint.
1097	* The framebuffer if now in default format so it will not use guest VRAM
1098	* and will show usually black image which is there after framebuffer resize.
1099	*/
1100	if (pFBInfo->fDisabled)
1101	pFBInfo->pFramebuffer->NotifyUpdate(0, 0, pFBInfo->w, pFBInfo->h);
1102	}
1103	LogRelFlow(("[%d]: default format %d\n", uScreenId, pFBInfo->fDefaultFormat));
1104
1105	/* Handle the case if there are some saved visible region that needs to be
1106	* applied after the resize of the framebuffer is completed
1107	*/
1108	SaveSeamlessRectLock();
1109	PRTRECT pSavedVisibleRegion = pFBInfo->mpSavedVisibleRegion;
1110	uint32_t cSavedVisibleRegion = pFBInfo->mcSavedVisibleRegion;
1111	pFBInfo->mpSavedVisibleRegion = NULL;
1112	pFBInfo->mcSavedVisibleRegion = 0;
1113	SaveSeamlessRectUnLock();
1114
1115	if (pSavedVisibleRegion)
1116	{
1117	handleSetVisibleRegion(cSavedVisibleRegion, pSavedVisibleRegion);
1118	RTMemFree(pSavedVisibleRegion);
1119	}
1120
1121	#ifdef DEBUG_sunlover
1122	if (!g_stam)
1123	{
1124	Console::SafeVMPtr ptrVM(mParent);
1125	AssertComRC(ptrVM.rc());
1126	STAMR3RegisterU(ptrVM.rawUVM(), &g_StatDisplayRefresh, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS,
1127	"/PROF/Display/Refresh", STAMUNIT_TICKS_PER_CALL, "Time spent in EMT for display updates.");
1128	g_stam = 1;
1129	}
1130	#endif /* DEBUG_sunlover */
1131
1132	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
1133	{
1134	BOOL is3denabled;
1135	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
1136
1137	if (is3denabled)
1138	{
1139	VBOXCRCMDCTL_HGCM data;
1140	data.Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
1141	data.Hdr.u32Function = SHCRGL_HOST_FN_SCREEN_CHANGED;
1142
1143	data.aParms[0].type = VBOX_HGCM_SVC_PARM_32BIT;
1144	data.aParms[0].u.uint32 = uScreenId;
1145
1146	crCtlSubmitSync(&data.Hdr, sizeof (data));
1147	}
1148	}
1149	#endif /* VBOX_WITH_CROGL */
1150	} while(0);
1151	}
1152
1153	static void checkCoordBounds (int px, int py, int pw, int ph, int cx, int cy)
1154	{
1155	/* Correct negative x and y coordinates. */
1156	if (*px < 0)
1157	{
1158	px += pw; /* Compute xRight which is also the new width. */
1159
1160	pw = (px < 0)? 0: *px;
1161
1162	*px = 0;
1163	}
1164
1165	if (*py < 0)
1166	{
1167	py += ph; /* Compute xBottom, which is also the new height. */
1168
1169	ph = (py < 0)? 0: *py;
1170
1171	*py = 0;
1172	}
1173
1174	/* Also check if coords are greater than the display resolution. */
1175	if (px + pw > cx)
1176	{
1177	pw = cx > px? cx - *px: 0;
1178	}
1179
1180	if (py + ph > cy)
1181	{
1182	ph = cy > py? cy - *py: 0;
1183	}
1184	}
1185
1186	unsigned mapCoordsToScreen(DISPLAYFBINFO pInfos, unsigned cInfos, int px, int py, int pw, int *ph)
1187	{
1188	DISPLAYFBINFO *pInfo = pInfos;
1189	unsigned uScreenId;
1190	LogSunlover(("mapCoordsToScreen: %d,%d %dx%d\n", px, py, pw, ph));
1191	for (uScreenId = 0; uScreenId < cInfos; uScreenId++, pInfo++)
1192	{
1193	LogSunlover((" [%d] %d,%d %dx%d\n", uScreenId, pInfo->xOrigin, pInfo->yOrigin, pInfo->w, pInfo->h));
1194	if ( (pInfo->xOrigin <= px && px < pInfo->xOrigin + (int)pInfo->w)
1195	&& (pInfo->yOrigin <= py && py < pInfo->yOrigin + (int)pInfo->h))
1196	{
1197	/* The rectangle belongs to the screen. Correct coordinates. */
1198	*px -= pInfo->xOrigin;
1199	*py -= pInfo->yOrigin;
1200	LogSunlover((" -> %d,%d", px, py));
1201	break;
1202	}
1203	}
1204	if (uScreenId == cInfos)
1205	{
1206	/* Map to primary screen. */
1207	uScreenId = 0;
1208	}
1209	LogSunlover((" scr %d\n", uScreenId));
1210	return uScreenId;
1211	}
1212
1213
1214	/**
1215	* Handles display update event.
1216	*
1217	* @param x Update area x coordinate
1218	* @param y Update area y coordinate
1219	* @param w Update area width
1220	* @param h Update area height
1221	*
1222	* @thread EMT
1223	*/
1224	void Display::handleDisplayUpdateLegacy (int x, int y, int w, int h)
1225	{
1226	unsigned uScreenId = mapCoordsToScreen(maFramebuffers, mcMonitors, &x, &y, &w, &h);
1227
1228	#ifdef DEBUG_sunlover
1229	LogFlowFunc(("%d,%d %dx%d (checked)\n", x, y, w, h));
1230	#endif /* DEBUG_sunlover */
1231
1232	handleDisplayUpdate (uScreenId, x, y, w, h);
1233	}
1234
1235	void Display::handleDisplayUpdate (unsigned uScreenId, int x, int y, int w, int h)
1236	{
1237	/*
1238	* Always runs under either VBVA lock or, for HGSMI, DevVGA lock.
1239	* Safe to use VBVA vars and take the framebuffer lock.
1240	*/
1241
1242	#ifdef DEBUG_sunlover
1243	LogFlowFunc(("[%d] %d,%d %dx%d (%d,%d)\n",
1244	uScreenId, x, y, w, h, mpDrv->IConnector.cx, mpDrv->IConnector.cy));
1245	#endif /* DEBUG_sunlover */
1246
1247	IFramebuffer *pFramebuffer = maFramebuffers[uScreenId].pFramebuffer;
1248
1249	// if there is no framebuffer, this call is not interesting
1250	if ( pFramebuffer == NULL
1251	\|\| maFramebuffers[uScreenId].fDisabled)
1252	return;
1253
1254	pFramebuffer->Lock();
1255
1256	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1257	checkCoordBounds (&x, &y, &w, &h, mpDrv->IConnector.cx, mpDrv->IConnector.cy);
1258	else
1259	checkCoordBounds (&x, &y, &w, &h, maFramebuffers[uScreenId].w,
1260	maFramebuffers[uScreenId].h);
1261
1262	if (w != 0 && h != 0)
1263	pFramebuffer->NotifyUpdate(x, y, w, h);
1264
1265	pFramebuffer->Unlock();
1266
1267	#ifndef VBOX_WITH_HGSMI
1268	if (!mfVideoAccelEnabled)
1269	{
1270	#else
1271	if (!mfVideoAccelEnabled && !maFramebuffers[uScreenId].fVBVAEnabled)
1272	{
1273	#endif /* VBOX_WITH_HGSMI */
1274	/* When VBVA is enabled, the VRDP server is informed in the VideoAccelFlush.
1275	* Inform the server here only if VBVA is disabled.
1276	*/
1277	if (maFramebuffers[uScreenId].u32ResizeStatus == ResizeStatus_Void)
1278	mParent->consoleVRDPServer()->SendUpdateBitmap(uScreenId, x, y, w, h);
1279	}
1280	}
1281
1282	/**
1283	* Returns the upper left and lower right corners of the virtual framebuffer.
1284	* The lower right is "exclusive" (i.e. first pixel beyond the framebuffer),
1285	* and the origin is (0, 0), not (1, 1) like the GUI returns.
1286	*/
1287	void Display::getFramebufferDimensions(int32_t px1, int32_t py1,
1288	int32_t px2, int32_t py2)
1289	{
1290	int32_t x1 = 0, y1 = 0, x2 = 0, y2 = 0;
1291	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1292
1293	AssertPtrReturnVoid(px1);
1294	AssertPtrReturnVoid(py1);
1295	AssertPtrReturnVoid(px2);
1296	AssertPtrReturnVoid(py2);
1297	LogRelFlowFunc(("\n"));
1298
1299	if (!mpDrv)
1300	return;
1301	/* If VBVA is not in use then this flag will not be set and this
1302	* will still work as it should. */
1303	if (!maFramebuffers[0].fDisabled)
1304	{
1305	x1 = (int32_t)maFramebuffers[0].xOrigin;
1306	y1 = (int32_t)maFramebuffers[0].yOrigin;
1307	x2 = mpDrv->IConnector.cx + (int32_t)maFramebuffers[0].xOrigin;
1308	y2 = mpDrv->IConnector.cy + (int32_t)maFramebuffers[0].yOrigin;
1309	}
1310	for (unsigned i = 1; i < mcMonitors; ++i)
1311	{
1312	if (!maFramebuffers[i].fDisabled)
1313	{
1314	x1 = RT_MIN(x1, maFramebuffers[i].xOrigin);
1315	y1 = RT_MIN(y1, maFramebuffers[i].yOrigin);
1316	x2 = RT_MAX(x2, maFramebuffers[i].xOrigin
1317	+ (int32_t)maFramebuffers[i].w);
1318	y2 = RT_MAX(y2, maFramebuffers[i].yOrigin
1319	+ (int32_t)maFramebuffers[i].h);
1320	}
1321	}
1322	*px1 = x1;
1323	*py1 = y1;
1324	*px2 = x2;
1325	*py2 = y2;
1326	}
1327
1328	static bool displayIntersectRect(RTRECT *prectResult,
1329	const RTRECT *prect1,
1330	const RTRECT *prect2)
1331	{
1332	/* Initialize result to an empty record. */
1333	memset (prectResult, 0, sizeof (RTRECT));
1334
1335	int xLeftResult = RT_MAX(prect1->xLeft, prect2->xLeft);
1336	int xRightResult = RT_MIN(prect1->xRight, prect2->xRight);
1337
1338	if (xLeftResult < xRightResult)
1339	{
1340	/* There is intersection by X. */
1341
1342	int yTopResult = RT_MAX(prect1->yTop, prect2->yTop);
1343	int yBottomResult = RT_MIN(prect1->yBottom, prect2->yBottom);
1344
1345	if (yTopResult < yBottomResult)
1346	{
1347	/* There is intersection by Y. */
1348
1349	prectResult->xLeft = xLeftResult;
1350	prectResult->yTop = yTopResult;
1351	prectResult->xRight = xRightResult;
1352	prectResult->yBottom = yBottomResult;
1353
1354	return true;
1355	}
1356	}
1357
1358	return false;
1359	}
1360
1361	int Display::handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect)
1362	{
1363	RTRECT pVisibleRegion = (RTRECT )RTMemTmpAlloc( RT_MAX(cRect, 1)
1364	* sizeof (RTRECT));
1365	if (!pVisibleRegion)
1366	{
1367	return VERR_NO_TMP_MEMORY;
1368	}
1369
1370	unsigned uScreenId;
1371	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1372	{
1373	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1374
1375	if (!pFBInfo->pFramebuffer.isNull())
1376	{
1377	if (pFBInfo->u32ResizeStatus != ResizeStatus_Void)
1378	{
1379	/* handle the case where new rectangles are received from the GA
1380	* when framebuffer resizing is in progress.
1381	* Just save the rectangles to be applied for later time when FB resizing is complete
1382	* (from handleResizeCompletedEMT).
1383	* This is done to prevent a race condition where a new rectangles are received
1384	* from the GA after a resize event and framebuffer resizing is still in progress
1385	* As a result the coordinates of the framebuffer are still
1386	* not updated and hence there is no intersection with the new rectangles passed
1387	* for the new region (THis is checked in the above if condition ). With 0 intersection,
1388	* cRectVisibleRegions = 0 is returned to the GUI and if GUI has invalidated its
1389	* earlier region then it draws nothihing and seamless mode doesn't display the
1390	* guest desktop.
1391	*/
1392	SaveSeamlessRectLock();
1393	RTMemFree(pFBInfo->mpSavedVisibleRegion);
1394
1395	pFBInfo->mpSavedVisibleRegion = (RTRECT *)RTMemAlloc( RT_MAX(cRect, 1)
1396	* sizeof (RTRECT));
1397	if (pFBInfo->mpSavedVisibleRegion)
1398	{
1399	memcpy(pFBInfo->mpSavedVisibleRegion, pRect, cRect * sizeof(RTRECT));
1400	pFBInfo->mcSavedVisibleRegion = cRect;
1401	}
1402	else
1403	{
1404	pFBInfo->mcSavedVisibleRegion = 0;
1405	}
1406	SaveSeamlessRectUnLock();
1407	continue;
1408	}
1409	/* Prepare a new array of rectangles which intersect with the framebuffer.
1410	*/
1411	RTRECT rectFramebuffer;
1412	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1413	{
1414	rectFramebuffer.xLeft = 0;
1415	rectFramebuffer.yTop = 0;
1416	if (mpDrv)
1417	{
1418	rectFramebuffer.xRight = mpDrv->IConnector.cx;
1419	rectFramebuffer.yBottom = mpDrv->IConnector.cy;
1420	}
1421	else
1422	{
1423	rectFramebuffer.xRight = 0;
1424	rectFramebuffer.yBottom = 0;
1425	}
1426	}
1427	else
1428	{
1429	rectFramebuffer.xLeft = pFBInfo->xOrigin;
1430	rectFramebuffer.yTop = pFBInfo->yOrigin;
1431	rectFramebuffer.xRight = pFBInfo->xOrigin + pFBInfo->w;
1432	rectFramebuffer.yBottom = pFBInfo->yOrigin + pFBInfo->h;
1433	}
1434
1435	uint32_t cRectVisibleRegion = 0;
1436
1437	uint32_t i;
1438	for (i = 0; i < cRect; i++)
1439	{
1440	if (displayIntersectRect(&pVisibleRegion[cRectVisibleRegion], &pRect[i], &rectFramebuffer))
1441	{
1442	pVisibleRegion[cRectVisibleRegion].xLeft -= pFBInfo->xOrigin;
1443	pVisibleRegion[cRectVisibleRegion].yTop -= pFBInfo->yOrigin;
1444	pVisibleRegion[cRectVisibleRegion].xRight -= pFBInfo->xOrigin;
1445	pVisibleRegion[cRectVisibleRegion].yBottom -= pFBInfo->yOrigin;
1446
1447	cRectVisibleRegion++;
1448	}
1449	}
1450	pFBInfo->pFramebuffer->SetVisibleRegion((BYTE *)pVisibleRegion, cRectVisibleRegion);
1451	}
1452	}
1453
1454	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
1455	BOOL is3denabled = FALSE;
1456
1457	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
1458
1459	VMMDev *vmmDev = mParent->getVMMDev();
1460	if (is3denabled && vmmDev)
1461	{
1462	if (mhCrOglSvc)
1463	{
1464	VBOXCRCMDCTL_HGCM pCtl = (VBOXCRCMDCTL_HGCM)RTMemAlloc(RT_MAX(cRect, 1) * sizeof (RTRECT)
1465	+ sizeof (VBOXCRCMDCTL_HGCM));
1466	if (pCtl)
1467	{
1468	RTRECT pRectsCopy = (RTRECT)(pCtl+1);
1469	memcpy(pRectsCopy, pRect, cRect * sizeof (RTRECT));
1470
1471	pCtl->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
1472	pCtl->Hdr.u32Function = SHCRGL_HOST_FN_SET_VISIBLE_REGION;
1473
1474	pCtl->aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
1475	pCtl->aParms[0].u.pointer.addr = pRectsCopy;
1476	pCtl->aParms[0].u.pointer.size = cRect * sizeof (RTRECT);
1477
1478	int rc = crCtlSubmit(&pCtl->Hdr, sizeof (*pCtl), displayCrCmdFree, pCtl);
1479	if (!RT_SUCCESS(rc))
1480	{
1481	AssertMsgFailed(("crCtlSubmit failed rc %n", rc));
1482	RTMemFree(pCtl);
1483	}
1484	}
1485	else
1486	AssertMsgFailed(("failed to allocate rects memory\n"));
1487	}
1488	else
1489	AssertMsgFailed(("mhCrOglSvc is NULL\n"));
1490	}
1491	#endif
1492
1493	RTMemTmpFree(pVisibleRegion);
1494
1495	return VINF_SUCCESS;
1496	}
1497
1498	int Display::handleQueryVisibleRegion(uint32_t *pcRect, PRTRECT pRect)
1499	{
1500	// @todo Currently not used by the guest and is not implemented in framebuffers. Remove?
1501	return VERR_NOT_SUPPORTED;
1502	}
1503
1504	typedef struct _VBVADIRTYREGION
1505	{
1506	/* Copies of object's pointers used by vbvaRgn functions. */
1507	DISPLAYFBINFO *paFramebuffers;
1508	unsigned cMonitors;
1509	Display *pDisplay;
1510	PPDMIDISPLAYPORT pPort;
1511
1512	} VBVADIRTYREGION;
1513
1514	static void vbvaRgnInit (VBVADIRTYREGION prgn, DISPLAYFBINFO paFramebuffers, unsigned cMonitors, Display *pd, PPDMIDISPLAYPORT pp)
1515	{
1516	prgn->paFramebuffers = paFramebuffers;
1517	prgn->cMonitors = cMonitors;
1518	prgn->pDisplay = pd;
1519	prgn->pPort = pp;
1520
1521	unsigned uScreenId;
1522	for (uScreenId = 0; uScreenId < cMonitors; uScreenId++)
1523	{
1524	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1525
1526	RT_ZERO(pFBInfo->dirtyRect);
1527	}
1528	}
1529
1530	static void vbvaRgnDirtyRect (VBVADIRTYREGION prgn, unsigned uScreenId, VBVACMDHDR phdr)
1531	{
1532	LogSunlover(("x = %d, y = %d, w = %d, h = %d\n",
1533	phdr->x, phdr->y, phdr->w, phdr->h));
1534
1535	/*
1536	* Here update rectangles are accumulated to form an update area.
1537	* @todo
1538	* Now the simplest method is used which builds one rectangle that
1539	* includes all update areas. A bit more advanced method can be
1540	* employed here. The method should be fast however.
1541	*/
1542	if (phdr->w == 0 \|\| phdr->h == 0)
1543	{
1544	/* Empty rectangle. */
1545	return;
1546	}
1547
1548	int32_t xRight = phdr->x + phdr->w;
1549	int32_t yBottom = phdr->y + phdr->h;
1550
1551	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1552
1553	if (pFBInfo->dirtyRect.xRight == 0)
1554	{
1555	/* This is the first rectangle to be added. */
1556	pFBInfo->dirtyRect.xLeft = phdr->x;
1557	pFBInfo->dirtyRect.yTop = phdr->y;
1558	pFBInfo->dirtyRect.xRight = xRight;
1559	pFBInfo->dirtyRect.yBottom = yBottom;
1560	}
1561	else
1562	{
1563	/* Adjust region coordinates. */
1564	if (pFBInfo->dirtyRect.xLeft > phdr->x)
1565	{
1566	pFBInfo->dirtyRect.xLeft = phdr->x;
1567	}
1568
1569	if (pFBInfo->dirtyRect.yTop > phdr->y)
1570	{
1571	pFBInfo->dirtyRect.yTop = phdr->y;
1572	}
1573
1574	if (pFBInfo->dirtyRect.xRight < xRight)
1575	{
1576	pFBInfo->dirtyRect.xRight = xRight;
1577	}
1578
1579	if (pFBInfo->dirtyRect.yBottom < yBottom)
1580	{
1581	pFBInfo->dirtyRect.yBottom = yBottom;
1582	}
1583	}
1584
1585	if (pFBInfo->fDefaultFormat)
1586	{
1587	//@todo pfnUpdateDisplayRect must take the vram offset parameter for the framebuffer
1588	prgn->pPort->pfnUpdateDisplayRect (prgn->pPort, phdr->x, phdr->y, phdr->w, phdr->h);
1589	prgn->pDisplay->handleDisplayUpdateLegacy (phdr->x + pFBInfo->xOrigin,
1590	phdr->y + pFBInfo->yOrigin, phdr->w, phdr->h);
1591	}
1592
1593	return;
1594	}
1595
1596	static void vbvaRgnUpdateFramebuffer (VBVADIRTYREGION *prgn, unsigned uScreenId)
1597	{
1598	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1599
1600	uint32_t w = pFBInfo->dirtyRect.xRight - pFBInfo->dirtyRect.xLeft;
1601	uint32_t h = pFBInfo->dirtyRect.yBottom - pFBInfo->dirtyRect.yTop;
1602
1603	if (!pFBInfo->fDefaultFormat && pFBInfo->pFramebuffer && w != 0 && h != 0)
1604	{
1605	//@todo pfnUpdateDisplayRect must take the vram offset parameter for the framebuffer
1606	prgn->pPort->pfnUpdateDisplayRect (prgn->pPort, pFBInfo->dirtyRect.xLeft, pFBInfo->dirtyRect.yTop, w, h);
1607	prgn->pDisplay->handleDisplayUpdateLegacy (pFBInfo->dirtyRect.xLeft + pFBInfo->xOrigin,
1608	pFBInfo->dirtyRect.yTop + pFBInfo->yOrigin, w, h);
1609	}
1610	}
1611
1612	static void vbvaSetMemoryFlags (VBVAMEMORY *pVbvaMemory,
1613	bool fVideoAccelEnabled,
1614	bool fVideoAccelVRDP,
1615	uint32_t fu32SupportedOrders,
1616	DISPLAYFBINFO *paFBInfos,
1617	unsigned cFBInfos)
1618	{
1619	if (pVbvaMemory)
1620	{
1621	/* This called only on changes in mode. So reset VRDP always. */
1622	uint32_t fu32Flags = VBVA_F_MODE_VRDP_RESET;
1623
1624	if (fVideoAccelEnabled)
1625	{
1626	fu32Flags \|= VBVA_F_MODE_ENABLED;
1627
1628	if (fVideoAccelVRDP)
1629	{
1630	fu32Flags \|= VBVA_F_MODE_VRDP \| VBVA_F_MODE_VRDP_ORDER_MASK;
1631
1632	pVbvaMemory->fu32SupportedOrders = fu32SupportedOrders;
1633	}
1634	}
1635
1636	pVbvaMemory->fu32ModeFlags = fu32Flags;
1637	}
1638
1639	unsigned uScreenId;
1640	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1641	{
1642	if (paFBInfos[uScreenId].pHostEvents)
1643	{
1644	paFBInfos[uScreenId].pHostEvents->fu32Events \|= VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1645	}
1646	}
1647	}
1648
1649	#ifdef VBOX_WITH_HGSMI
1650	static void vbvaSetMemoryFlagsHGSMI (unsigned uScreenId,
1651	uint32_t fu32SupportedOrders,
1652	bool fVideoAccelVRDP,
1653	DISPLAYFBINFO *pFBInfo)
1654	{
1655	LogRelFlowFunc(("HGSMI[%d]: %p\n", uScreenId, pFBInfo->pVBVAHostFlags));
1656
1657	if (pFBInfo->pVBVAHostFlags)
1658	{
1659	uint32_t fu32HostEvents = VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1660
1661	if (pFBInfo->fVBVAEnabled)
1662	{
1663	fu32HostEvents \|= VBVA_F_MODE_ENABLED;
1664
1665	if (fVideoAccelVRDP)
1666	{
1667	fu32HostEvents \|= VBVA_F_MODE_VRDP;
1668	}
1669	}
1670
1671	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32HostEvents, fu32HostEvents);
1672	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32SupportedOrders, fu32SupportedOrders);
1673
1674	LogRelFlowFunc((" fu32HostEvents = 0x%08X, fu32SupportedOrders = 0x%08X\n", fu32HostEvents, fu32SupportedOrders));
1675	}
1676	}
1677
1678	static void vbvaSetMemoryFlagsAllHGSMI (uint32_t fu32SupportedOrders,
1679	bool fVideoAccelVRDP,
1680	DISPLAYFBINFO *paFBInfos,
1681	unsigned cFBInfos)
1682	{
1683	unsigned uScreenId;
1684
1685	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1686	{
1687	vbvaSetMemoryFlagsHGSMI(uScreenId, fu32SupportedOrders, fVideoAccelVRDP, &paFBInfos[uScreenId]);
1688	}
1689	}
1690	#endif /* VBOX_WITH_HGSMI */
1691
1692	bool Display::VideoAccelAllowed (void)
1693	{
1694	return true;
1695	}
1696
1697	int Display::vbvaLock(void)
1698	{
1699	return RTCritSectEnter(&mVBVALock);
1700	}
1701
1702	void Display::vbvaUnlock(void)
1703	{
1704	RTCritSectLeave(&mVBVALock);
1705	}
1706
1707	int Display::SaveSeamlessRectLock(void)
1708	{
1709	return RTCritSectEnter(&mSaveSeamlessRectLock);
1710	}
1711
1712	void Display::SaveSeamlessRectUnLock(void)
1713	{
1714	RTCritSectLeave(&mSaveSeamlessRectLock);
1715	}
1716
1717
1718	/**
1719	* @thread EMT
1720	*/
1721	int Display::VideoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
1722	{
1723	int rc;
1724	vbvaLock();
1725	rc = videoAccelEnable (fEnable, pVbvaMemory);
1726	vbvaUnlock();
1727	return rc;
1728	}
1729
1730	int Display::videoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
1731	{
1732	int rc = VINF_SUCCESS;
1733
1734	/* Called each time the guest wants to use acceleration,
1735	* or when the VGA device disables acceleration,
1736	* or when restoring the saved state with accel enabled.
1737	*
1738	* VGA device disables acceleration on each video mode change
1739	* and on reset.
1740	*
1741	* Guest enabled acceleration at will. And it has to enable
1742	* acceleration after a mode change.
1743	*/
1744	LogRelFlowFunc(("mfVideoAccelEnabled = %d, fEnable = %d, pVbvaMemory = %p\n",
1745	mfVideoAccelEnabled, fEnable, pVbvaMemory));
1746
1747	/* Strictly check parameters. Callers must not pass anything in the case. */
1748	Assert((fEnable && pVbvaMemory) \|\| (!fEnable && pVbvaMemory == NULL));
1749
1750	if (!VideoAccelAllowed ())
1751	return VERR_NOT_SUPPORTED;
1752
1753	/*
1754	* Verify that the VM is in running state. If it is not,
1755	* then this must be postponed until it goes to running.
1756	*/
1757	if (!mfMachineRunning)
1758	{
1759	Assert (!mfVideoAccelEnabled);
1760
1761	LogRelFlowFunc(("Machine is not yet running.\n"));
1762
1763	if (fEnable)
1764	{
1765	mfPendingVideoAccelEnable = fEnable;
1766	mpPendingVbvaMemory = pVbvaMemory;
1767	}
1768
1769	return rc;
1770	}
1771
1772	/* Check that current status is not being changed */
1773	if (mfVideoAccelEnabled == fEnable)
1774	return rc;
1775
1776	if (mfVideoAccelEnabled)
1777	{
1778	/* Process any pending orders and empty the VBVA ring buffer. */
1779	videoAccelFlush ();
1780	}
1781
1782	if (!fEnable && mpVbvaMemory)
1783	mpVbvaMemory->fu32ModeFlags &= ~VBVA_F_MODE_ENABLED;
1784
1785	/* Safety precaution. There is no more VBVA until everything is setup! */
1786	mpVbvaMemory = NULL;
1787	mfVideoAccelEnabled = false;
1788
1789	/* Update entire display. */
1790	if (maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].u32ResizeStatus == ResizeStatus_Void)
1791	mpDrv->pUpPort->pfnUpdateDisplayAll(mpDrv->pUpPort);
1792
1793	/* Everything OK. VBVA status can be changed. */
1794
1795	/* Notify the VMMDev, which saves VBVA status in the saved state,
1796	* and needs to know current status.
1797	*/
1798	VMMDev *pVMMDev = mParent->getVMMDev();
1799	if (pVMMDev)
1800	{
1801	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1802	if (pVMMDevPort)
1803	pVMMDevPort->pfnVBVAChange(pVMMDevPort, fEnable);
1804	}
1805
1806	if (fEnable)
1807	{
1808	mpVbvaMemory = pVbvaMemory;
1809	mfVideoAccelEnabled = true;
1810
1811	/* Initialize the hardware memory. */
1812	vbvaSetMemoryFlags(mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
1813	mpVbvaMemory->off32Data = 0;
1814	mpVbvaMemory->off32Free = 0;
1815
1816	memset(mpVbvaMemory->aRecords, 0, sizeof (mpVbvaMemory->aRecords));
1817	mpVbvaMemory->indexRecordFirst = 0;
1818	mpVbvaMemory->indexRecordFree = 0;
1819
1820	mfu32PendingVideoAccelDisable = false;
1821
1822	LogRel(("VBVA: Enabled.\n"));
1823	}
1824	else
1825	{
1826	LogRel(("VBVA: Disabled.\n"));
1827	}
1828
1829	LogRelFlowFunc(("VideoAccelEnable: rc = %Rrc.\n", rc));
1830
1831	return rc;
1832	}
1833
1834	/* Called always by one VRDP server thread. Can be thread-unsafe.
1835	*/
1836	void Display::VideoAccelVRDP (bool fEnable)
1837	{
1838	LogRelFlowFunc(("fEnable = %d\n", fEnable));
1839
1840	vbvaLock();
1841
1842	int c = fEnable?
1843	ASMAtomicIncS32 (&mcVideoAccelVRDPRefs):
1844	ASMAtomicDecS32 (&mcVideoAccelVRDPRefs);
1845
1846	Assert (c >= 0);
1847
1848	if (c == 0)
1849	{
1850	/* The last client has disconnected, and the accel can be
1851	* disabled.
1852	*/
1853	Assert (fEnable == false);
1854
1855	mfVideoAccelVRDP = false;
1856	mfu32SupportedOrders = 0;
1857
1858	vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
1859	#ifdef VBOX_WITH_HGSMI
1860	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1861	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1862	#endif /* VBOX_WITH_HGSMI */
1863
1864	LogRel(("VBVA: VRDP acceleration has been disabled.\n"));
1865	}
1866	else if ( c == 1
1867	&& !mfVideoAccelVRDP)
1868	{
1869	/* The first client has connected. Enable the accel.
1870	*/
1871	Assert (fEnable == true);
1872
1873	mfVideoAccelVRDP = true;
1874	/* Supporting all orders. */
1875	mfu32SupportedOrders = ~0;
1876
1877	vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
1878	#ifdef VBOX_WITH_HGSMI
1879	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1880	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1881	#endif /* VBOX_WITH_HGSMI */
1882
1883	LogRel(("VBVA: VRDP acceleration has been requested.\n"));
1884	}
1885	else
1886	{
1887	/* A client is connected or disconnected but there is no change in the
1888	* accel state. It remains enabled.
1889	*/
1890	Assert (mfVideoAccelVRDP == true);
1891	}
1892	vbvaUnlock();
1893	}
1894
1895	static bool vbvaVerifyRingBuffer (VBVAMEMORY *pVbvaMemory)
1896	{
1897	return true;
1898	}
1899
1900	static void vbvaFetchBytes (VBVAMEMORY pVbvaMemory, uint8_t pu8Dst, uint32_t cbDst)
1901	{
1902	if (cbDst >= VBVA_RING_BUFFER_SIZE)
1903	{
1904	AssertMsgFailed (("cbDst = 0x%08X, ring buffer size 0x%08X\n", cbDst, VBVA_RING_BUFFER_SIZE));
1905	return;
1906	}
1907
1908	uint32_t u32BytesTillBoundary = VBVA_RING_BUFFER_SIZE - pVbvaMemory->off32Data;
1909	uint8_t *src = &pVbvaMemory->au8RingBuffer[pVbvaMemory->off32Data];
1910	int32_t i32Diff = cbDst - u32BytesTillBoundary;
1911
1912	if (i32Diff <= 0)
1913	{
1914	/* Chunk will not cross buffer boundary. */
1915	memcpy (pu8Dst, src, cbDst);
1916	}
1917	else
1918	{
1919	/* Chunk crosses buffer boundary. */
1920	memcpy (pu8Dst, src, u32BytesTillBoundary);
1921	memcpy (pu8Dst + u32BytesTillBoundary, &pVbvaMemory->au8RingBuffer[0], i32Diff);
1922	}
1923
1924	/* Advance data offset. */
1925	pVbvaMemory->off32Data = (pVbvaMemory->off32Data + cbDst) % VBVA_RING_BUFFER_SIZE;
1926
1927	return;
1928	}
1929
1930
1931	static bool vbvaPartialRead (uint8_t *ppu8, uint32_t pcb, uint32_t cbRecord, VBVAMEMORY *pVbvaMemory)
1932	{
1933	uint8_t *pu8New;
1934
1935	LogFlow(("MAIN::DisplayImpl::vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n",
1936	ppu8, pcb, cbRecord));
1937
1938	if (*ppu8)
1939	{
1940	Assert (*pcb);
1941	pu8New = (uint8_t )RTMemRealloc (ppu8, cbRecord);
1942	}
1943	else
1944	{
1945	Assert (!*pcb);
1946	pu8New = (uint8_t *)RTMemAlloc (cbRecord);
1947	}
1948
1949	if (!pu8New)
1950	{
1951	/* Memory allocation failed, fail the function. */
1952	Log(("MAIN::vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n",
1953	cbRecord));
1954
1955	if (*ppu8)
1956	{
1957	RTMemFree (*ppu8);
1958	}
1959
1960	*ppu8 = NULL;
1961	*pcb = 0;
1962
1963	return false;
1964	}
1965
1966	/* Fetch data from the ring buffer. */
1967	vbvaFetchBytes (pVbvaMemory, pu8New + pcb, cbRecord - pcb);
1968
1969	*ppu8 = pu8New;
1970	*pcb = cbRecord;
1971
1972	return true;
1973	}
1974
1975	/* For contiguous chunks just return the address in the buffer.
1976	* For crossing boundary - allocate a buffer from heap.
1977	*/
1978	bool Display::vbvaFetchCmd (VBVACMDHDR *ppHdr, uint32_t pcbCmd)
1979	{
1980	uint32_t indexRecordFirst = mpVbvaMemory->indexRecordFirst;
1981	uint32_t indexRecordFree = mpVbvaMemory->indexRecordFree;
1982
1983	#ifdef DEBUG_sunlover
1984	LogFlowFunc(("first = %d, free = %d\n",
1985	indexRecordFirst, indexRecordFree));
1986	#endif /* DEBUG_sunlover */
1987
1988	if (!vbvaVerifyRingBuffer (mpVbvaMemory))
1989	{
1990	return false;
1991	}
1992
1993	if (indexRecordFirst == indexRecordFree)
1994	{
1995	/* No records to process. Return without assigning output variables. */
1996	return true;
1997	}
1998
1999	VBVARECORD *pRecord = &mpVbvaMemory->aRecords[indexRecordFirst];
2000
2001	#ifdef DEBUG_sunlover
2002	LogFlowFunc(("cbRecord = 0x%08X\n", pRecord->cbRecord));
2003	#endif /* DEBUG_sunlover */
2004
2005	uint32_t cbRecord = pRecord->cbRecord & ~VBVA_F_RECORD_PARTIAL;
2006
2007	if (mcbVbvaPartial)
2008	{
2009	/* There is a partial read in process. Continue with it. */
2010
2011	Assert (mpu8VbvaPartial);
2012
2013	LogFlowFunc(("continue partial record mcbVbvaPartial = %d cbRecord 0x%08X, first = %d, free = %d\n",
2014	mcbVbvaPartial, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
2015
2016	if (cbRecord > mcbVbvaPartial)
2017	{
2018	/* New data has been added to the record. */
2019	if (!vbvaPartialRead (&mpu8VbvaPartial, &mcbVbvaPartial, cbRecord, mpVbvaMemory))
2020	{
2021	return false;
2022	}
2023	}
2024
2025	if (!(pRecord->cbRecord & VBVA_F_RECORD_PARTIAL))
2026	{
2027	/* The record is completed by guest. Return it to the caller. */
2028	ppHdr = (VBVACMDHDR )mpu8VbvaPartial;
2029	*pcbCmd = mcbVbvaPartial;
2030
2031	mpu8VbvaPartial = NULL;
2032	mcbVbvaPartial = 0;
2033
2034	/* Advance the record index. */
2035	mpVbvaMemory->indexRecordFirst = (indexRecordFirst + 1) % VBVA_MAX_RECORDS;
2036
2037	#ifdef DEBUG_sunlover
2038	LogFlowFunc(("partial done ok, data = %d, free = %d\n",
2039	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
2040	#endif /* DEBUG_sunlover */
2041	}
2042
2043	return true;
2044	}
2045
2046	/* A new record need to be processed. */
2047	if (pRecord->cbRecord & VBVA_F_RECORD_PARTIAL)
2048	{
2049	/* Current record is being written by guest. '=' is important here. */
2050	if (cbRecord >= VBVA_RING_BUFFER_SIZE - VBVA_RING_BUFFER_THRESHOLD)
2051	{
2052	/* Partial read must be started. */
2053	if (!vbvaPartialRead (&mpu8VbvaPartial, &mcbVbvaPartial, cbRecord, mpVbvaMemory))
2054	{
2055	return false;
2056	}
2057
2058	LogFlowFunc(("started partial record mcbVbvaPartial = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n",
2059	mcbVbvaPartial, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
2060	}
2061
2062	return true;
2063	}
2064
2065	/* Current record is complete. If it is not empty, process it. */
2066	if (cbRecord)
2067	{
2068	/* The size of largest contiguous chunk in the ring biffer. */
2069	uint32_t u32BytesTillBoundary = VBVA_RING_BUFFER_SIZE - mpVbvaMemory->off32Data;
2070
2071	/* The ring buffer pointer. */
2072	uint8_t *au8RingBuffer = &mpVbvaMemory->au8RingBuffer[0];
2073
2074	/* The pointer to data in the ring buffer. */
2075	uint8_t *src = &au8RingBuffer[mpVbvaMemory->off32Data];
2076
2077	/* Fetch or point the data. */
2078	if (u32BytesTillBoundary >= cbRecord)
2079	{
2080	/* The command does not cross buffer boundary. Return address in the buffer. */
2081	ppHdr = (VBVACMDHDR )src;
2082
2083	/* Advance data offset. */
2084	mpVbvaMemory->off32Data = (mpVbvaMemory->off32Data + cbRecord) % VBVA_RING_BUFFER_SIZE;
2085	}
2086	else
2087	{
2088	/* The command crosses buffer boundary. Rare case, so not optimized. */
2089	uint8_t dst = (uint8_t )RTMemAlloc (cbRecord);
2090
2091	if (!dst)
2092	{
2093	LogRelFlowFunc(("could not allocate %d bytes from heap!!!\n", cbRecord));
2094	mpVbvaMemory->off32Data = (mpVbvaMemory->off32Data + cbRecord) % VBVA_RING_BUFFER_SIZE;
2095	return false;
2096	}
2097
2098	vbvaFetchBytes (mpVbvaMemory, dst, cbRecord);
2099
2100	ppHdr = (VBVACMDHDR )dst;
2101
2102	#ifdef DEBUG_sunlover
2103	LogFlowFunc(("Allocated from heap %p\n", dst));
2104	#endif /* DEBUG_sunlover */
2105	}
2106	}
2107
2108	*pcbCmd = cbRecord;
2109
2110	/* Advance the record index. */
2111	mpVbvaMemory->indexRecordFirst = (indexRecordFirst + 1) % VBVA_MAX_RECORDS;
2112
2113	#ifdef DEBUG_sunlover
2114	LogFlowFunc(("done ok, data = %d, free = %d\n",
2115	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
2116	#endif /* DEBUG_sunlover */
2117
2118	return true;
2119	}
2120
2121	void Display::vbvaReleaseCmd (VBVACMDHDR *pHdr, int32_t cbCmd)
2122	{
2123	uint8_t *au8RingBuffer = mpVbvaMemory->au8RingBuffer;
2124
2125	if ( (uint8_t *)pHdr >= au8RingBuffer
2126	&& (uint8_t *)pHdr < &au8RingBuffer[VBVA_RING_BUFFER_SIZE])
2127	{
2128	/* The pointer is inside ring buffer. Must be continuous chunk. */
2129	Assert (VBVA_RING_BUFFER_SIZE - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);
2130
2131	/* Do nothing. */
2132
2133	Assert (!mpu8VbvaPartial && mcbVbvaPartial == 0);
2134	}
2135	else
2136	{
2137	/* The pointer is outside. It is then an allocated copy. */
2138
2139	#ifdef DEBUG_sunlover
2140	LogFlowFunc(("Free heap %p\n", pHdr));
2141	#endif /* DEBUG_sunlover */
2142
2143	if ((uint8_t *)pHdr == mpu8VbvaPartial)
2144	{
2145	mpu8VbvaPartial = NULL;
2146	mcbVbvaPartial = 0;
2147	}
2148	else
2149	{
2150	Assert (!mpu8VbvaPartial && mcbVbvaPartial == 0);
2151	}
2152
2153	RTMemFree (pHdr);
2154	}
2155
2156	return;
2157	}
2158
2159
2160	/**
2161	* Called regularly on the DisplayRefresh timer.
2162	* Also on behalf of guest, when the ring buffer is full.
2163	*
2164	* @thread EMT
2165	*/
2166	void Display::VideoAccelFlush (void)
2167	{
2168	vbvaLock();
2169	videoAccelFlush();
2170	vbvaUnlock();
2171	}
2172
2173	/* Under VBVA lock. DevVGA is not taken. */
2174	void Display::videoAccelFlush (void)
2175	{
2176	#ifdef DEBUG_sunlover_2
2177	LogFlowFunc(("mfVideoAccelEnabled = %d\n", mfVideoAccelEnabled));
2178	#endif /* DEBUG_sunlover_2 */
2179
2180	if (!mfVideoAccelEnabled)
2181	{
2182	Log(("Display::VideoAccelFlush: called with disabled VBVA!!! Ignoring.\n"));
2183	return;
2184	}
2185
2186	/* Here VBVA is enabled and we have the accelerator memory pointer. */
2187	Assert(mpVbvaMemory);
2188
2189	#ifdef DEBUG_sunlover_2
2190	LogFlowFunc(("indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
2191	mpVbvaMemory->indexRecordFirst, mpVbvaMemory->indexRecordFree, mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
2192	#endif /* DEBUG_sunlover_2 */
2193
2194	/* Quick check for "nothing to update" case. */
2195	if (mpVbvaMemory->indexRecordFirst == mpVbvaMemory->indexRecordFree)
2196	{
2197	return;
2198	}
2199
2200	/* Process the ring buffer */
2201	unsigned uScreenId;
2202
2203	/* Initialize dirty rectangles accumulator. */
2204	VBVADIRTYREGION rgn;
2205	vbvaRgnInit (&rgn, maFramebuffers, mcMonitors, this, mpDrv->pUpPort);
2206
2207	for (;;)
2208	{
2209	VBVACMDHDR *phdr = NULL;
2210	uint32_t cbCmd = ~0;
2211
2212	/* Fetch the command data. */
2213	if (!vbvaFetchCmd (&phdr, &cbCmd))
2214	{
2215	Log(("Display::VideoAccelFlush: unable to fetch command. off32Data = %d, off32Free = %d. Disabling VBVA!!!\n",
2216	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
2217
2218	/* Disable VBVA on those processing errors. */
2219	videoAccelEnable (false, NULL);
2220
2221	break;
2222	}
2223
2224	if (cbCmd == uint32_t(~0))
2225	{
2226	/* No more commands yet in the queue. */
2227	break;
2228	}
2229
2230	if (cbCmd != 0)
2231	{
2232	#ifdef DEBUG_sunlover
2233	LogFlowFunc(("hdr: cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
2234	cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
2235	#endif /* DEBUG_sunlover */
2236
2237	VBVACMDHDR hdrSaved = *phdr;
2238
2239	int x = phdr->x;
2240	int y = phdr->y;
2241	int w = phdr->w;
2242	int h = phdr->h;
2243
2244	uScreenId = mapCoordsToScreen(maFramebuffers, mcMonitors, &x, &y, &w, &h);
2245
2246	phdr->x = (int16_t)x;
2247	phdr->y = (int16_t)y;
2248	phdr->w = (uint16_t)w;
2249	phdr->h = (uint16_t)h;
2250
2251	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
2252
2253	if (pFBInfo->u32ResizeStatus == ResizeStatus_Void)
2254	{
2255	/* Handle the command.
2256	*
2257	* Guest is responsible for updating the guest video memory.
2258	* The Windows guest does all drawing using Eng*.
2259	*
2260	* For local output, only dirty rectangle information is used
2261	* to update changed areas.
2262	*
2263	* Dirty rectangles are accumulated to exclude overlapping updates and
2264	* group small updates to a larger one.
2265	*/
2266
2267	/* Accumulate the update. */
2268	vbvaRgnDirtyRect (&rgn, uScreenId, phdr);
2269
2270	/* Forward the command to VRDP server. */
2271	mParent->consoleVRDPServer()->SendUpdate (uScreenId, phdr, cbCmd);
2272
2273	*phdr = hdrSaved;
2274	}
2275	}
2276
2277	vbvaReleaseCmd (phdr, cbCmd);
2278	}
2279
2280	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
2281	{
2282	if (maFramebuffers[uScreenId].u32ResizeStatus == ResizeStatus_Void)
2283	{
2284	/* Draw the framebuffer. */
2285	vbvaRgnUpdateFramebuffer (&rgn, uScreenId);
2286	}
2287	}
2288	}
2289
2290	int Display::videoAccelRefreshProcess(void)
2291	{
2292	int rc = VWRN_INVALID_STATE; /* Default is to do a display update in VGA device. */
2293
2294	vbvaLock();
2295
2296	if (ASMAtomicCmpXchgU32(&mfu32PendingVideoAccelDisable, false, true))
2297	{
2298	videoAccelEnable (false, NULL);
2299	}
2300	else if (mfPendingVideoAccelEnable)
2301	{
2302	/* Acceleration was enabled while machine was not yet running
2303	* due to restoring from saved state. Update entire display and
2304	* actually enable acceleration.
2305	*/
2306	Assert(mpPendingVbvaMemory);
2307
2308	/* Acceleration can not be yet enabled.*/
2309	Assert(mpVbvaMemory == NULL);
2310	Assert(!mfVideoAccelEnabled);
2311
2312	if (mfMachineRunning)
2313	{
2314	videoAccelEnable (mfPendingVideoAccelEnable,
2315	mpPendingVbvaMemory);
2316
2317	/* Reset the pending state. */
2318	mfPendingVideoAccelEnable = false;
2319	mpPendingVbvaMemory = NULL;
2320	}
2321
2322	rc = VINF_TRY_AGAIN;
2323	}
2324	else
2325	{
2326	Assert(mpPendingVbvaMemory == NULL);
2327
2328	if (mfVideoAccelEnabled)
2329	{
2330	Assert(mpVbvaMemory);
2331	videoAccelFlush ();
2332
2333	rc = VINF_SUCCESS; /* VBVA processed, no need to a display update. */
2334	}
2335	}
2336
2337	vbvaUnlock();
2338
2339	return rc;
2340	}
2341
2342
2343	// IDisplay methods
2344	/////////////////////////////////////////////////////////////////////////////
2345	STDMETHODIMP Display::GetScreenResolution (ULONG aScreenId,
2346	ULONG aWidth, ULONG aHeight, ULONG *aBitsPerPixel,
2347	LONG aXOrigin, LONG aYOrigin)
2348	{
2349	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2350
2351	AutoCaller autoCaller(this);
2352	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2353
2354	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2355
2356	uint32_t u32Width = 0;
2357	uint32_t u32Height = 0;
2358	uint32_t u32BitsPerPixel = 0;
2359	int32_t xOrigin = 0;
2360	int32_t yOrigin = 0;
2361
2362	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2363	{
2364	CHECK_CONSOLE_DRV(mpDrv);
2365
2366	u32Width = mpDrv->IConnector.cx;
2367	u32Height = mpDrv->IConnector.cy;
2368	int rc = mpDrv->pUpPort->pfnQueryColorDepth(mpDrv->pUpPort, &u32BitsPerPixel);
2369	AssertRC(rc);
2370	}
2371	else if (aScreenId < mcMonitors)
2372	{
2373	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2374	u32Width = pFBInfo->w;
2375	u32Height = pFBInfo->h;
2376	u32BitsPerPixel = pFBInfo->u16BitsPerPixel;
2377	xOrigin = pFBInfo->xOrigin;
2378	yOrigin = pFBInfo->yOrigin;
2379	}
2380	else
2381	{
2382	return E_INVALIDARG;
2383	}
2384
2385	if (aWidth)
2386	*aWidth = u32Width;
2387	if (aHeight)
2388	*aHeight = u32Height;
2389	if (aBitsPerPixel)
2390	*aBitsPerPixel = u32BitsPerPixel;
2391	if (aXOrigin)
2392	*aXOrigin = xOrigin;
2393	if (aYOrigin)
2394	*aYOrigin = yOrigin;
2395
2396	return S_OK;
2397	}
2398
2399	STDMETHODIMP Display::SetFramebuffer(ULONG aScreenId, IFramebuffer *aFramebuffer)
2400	{
2401	LogRelFlowFunc(("\n"));
2402
2403	if (aFramebuffer != NULL)
2404	CheckComArgOutPointerValid(aFramebuffer);
2405
2406	AutoCaller autoCaller(this);
2407	if (FAILED(autoCaller.rc()))
2408	return autoCaller.rc();
2409
2410	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2411
2412	Console::SafeVMPtrQuiet ptrVM(mParent);
2413	if (ptrVM.isOk())
2414	{
2415	/* Must release the lock here because the changeFramebuffer will
2416	* also obtain it. */
2417	alock.release();
2418
2419	/* send request to the EMT thread */
2420	int vrc = VMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY,
2421	(PFNRT)changeFramebuffer, 3, this, aFramebuffer, aScreenId);
2422
2423	alock.acquire();
2424
2425	ComAssertRCRet (vrc, E_FAIL);
2426
2427	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
2428	{
2429	BOOL is3denabled;
2430	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
2431
2432	if (is3denabled)
2433	{
2434	VBOXCRCMDCTL_HGCM data;
2435	data.Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
2436	data.Hdr.u32Function = SHCRGL_HOST_FN_SCREEN_CHANGED;
2437
2438	data.aParms[0].type = VBOX_HGCM_SVC_PARM_32BIT;
2439	data.aParms[0].u.uint32 = aScreenId;
2440
2441	alock.release();
2442
2443	crCtlSubmitSync(&data.Hdr, sizeof (data));
2444
2445	alock.acquire();
2446	}
2447	}
2448	#endif /* VBOX_WITH_CROGL */
2449	}
2450	else
2451	{
2452	/* No VM is created (VM is powered off), do a direct call */
2453	int vrc = changeFramebuffer (this, aFramebuffer, aScreenId);
2454	ComAssertRCRet (vrc, E_FAIL);
2455	}
2456
2457	return S_OK;
2458	}
2459
2460	STDMETHODIMP Display::GetFramebuffer(ULONG aScreenId,
2461	IFramebuffer *aFramebuffer, LONG aXOrigin, LONG *aYOrigin)
2462	{
2463	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2464
2465	CheckComArgOutPointerValid(aFramebuffer);
2466
2467	AutoCaller autoCaller(this);
2468	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2469
2470	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2471
2472	if (aScreenId != 0 && aScreenId >= mcMonitors)
2473	return E_INVALIDARG;
2474
2475	/* @todo this should be actually done on EMT. */
2476	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2477
2478	*aFramebuffer = pFBInfo->pFramebuffer;
2479	if (*aFramebuffer)
2480	(*aFramebuffer)->AddRef ();
2481	if (aXOrigin)
2482	*aXOrigin = pFBInfo->xOrigin;
2483	if (aYOrigin)
2484	*aYOrigin = pFBInfo->yOrigin;
2485
2486	return S_OK;
2487	}
2488
2489	STDMETHODIMP Display::SetVideoModeHint(ULONG aDisplay, BOOL aEnabled,
2490	BOOL aChangeOrigin, LONG aOriginX, LONG aOriginY,
2491	ULONG aWidth, ULONG aHeight, ULONG aBitsPerPixel)
2492	{
2493	AutoCaller autoCaller(this);
2494	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2495
2496	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2497
2498	CHECK_CONSOLE_DRV(mpDrv);
2499
2500	/*
2501	* Do some rough checks for valid input
2502	*/
2503	ULONG width = aWidth;
2504	if (!width)
2505	width = mpDrv->IConnector.cx;
2506	ULONG height = aHeight;
2507	if (!height)
2508	height = mpDrv->IConnector.cy;
2509	ULONG bpp = aBitsPerPixel;
2510	if (!bpp)
2511	{
2512	uint32_t cBits = 0;
2513	int rc = mpDrv->pUpPort->pfnQueryColorDepth(mpDrv->pUpPort, &cBits);
2514	AssertRC(rc);
2515	bpp = cBits;
2516	}
2517	ULONG cMonitors;
2518	mParent->machine()->COMGETTER(MonitorCount)(&cMonitors);
2519	if (cMonitors == 0 && aDisplay > 0)
2520	return E_INVALIDARG;
2521	if (aDisplay >= cMonitors)
2522	return E_INVALIDARG;
2523
2524	/*
2525	* sunlover 20070614: It is up to the guest to decide whether the hint is
2526	* valid. Therefore don't do any VRAM sanity checks here!
2527	*/
2528
2529	/* Have to release the lock because the pfnRequestDisplayChange
2530	* will call EMT. */
2531	alock.release();
2532
2533	VMMDev *pVMMDev = mParent->getVMMDev();
2534	if (pVMMDev)
2535	{
2536	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
2537	if (pVMMDevPort)
2538	pVMMDevPort->pfnRequestDisplayChange(pVMMDevPort, aWidth, aHeight, aBitsPerPixel,
2539	aDisplay, aOriginX, aOriginY,
2540	RT_BOOL(aEnabled), RT_BOOL(aChangeOrigin));
2541	}
2542	return S_OK;
2543	}
2544
2545	STDMETHODIMP Display::SetSeamlessMode (BOOL enabled)
2546	{
2547	AutoCaller autoCaller(this);
2548	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2549
2550	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2551
2552	/* Have to release the lock because the pfnRequestSeamlessChange will call EMT. */
2553	alock.release();
2554
2555	VMMDev *pVMMDev = mParent->getVMMDev();
2556	if (pVMMDev)
2557	{
2558	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
2559	if (pVMMDevPort)
2560	pVMMDevPort->pfnRequestSeamlessChange(pVMMDevPort, !!enabled);
2561	}
2562
2563	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
2564	if (!enabled)
2565	{
2566	BOOL is3denabled = FALSE;
2567
2568	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
2569
2570	VMMDev *vmmDev = mParent->getVMMDev();
2571	if (is3denabled && vmmDev)
2572	{
2573	VBOXCRCMDCTL_HGCM pData = (VBOXCRCMDCTL_HGCM)RTMemAlloc(sizeof (VBOXCRCMDCTL_HGCM));
2574	if (!pData)
2575	{
2576	AssertMsgFailed(("RTMemAlloc failed\n"));
2577	return VERR_NO_MEMORY;
2578	}
2579
2580	pData->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
2581	pData->Hdr.u32Function = SHCRGL_HOST_FN_SET_VISIBLE_REGION;
2582
2583	pData->aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
2584	pData->aParms[0].u.pointer.addr = NULL;
2585	pData->aParms[0].u.pointer.size = 0; /* <- means null rects, NULL pRects address and 0 rects means "disable" */
2586
2587	int rc = crCtlSubmit(&pData->Hdr, sizeof (*pData), displayCrCmdFree, pData);
2588	if (!RT_SUCCESS(rc))
2589	{
2590	AssertMsgFailed(("crCtlSubmit failed rc %n", rc));
2591	RTMemFree(pData);
2592	}
2593	}
2594	}
2595	#endif
2596	return S_OK;
2597	}
2598
2599	#ifdef VBOX_WITH_CROGL
2600	BOOL Display::displayCheckTakeScreenshotCrOgl(Display pDisplay, ULONG aScreenId, uint8_t pu8Data, uint32_t u32Width, uint32_t u32Height)
2601	{
2602	BOOL is3denabled;
2603	pDisplay->mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
2604	if (is3denabled && pDisplay->mCrOglCallbacks.pfnHasData())
2605	{
2606	VMMDev *pVMMDev = pDisplay->mParent->getVMMDev();
2607	if (pVMMDev)
2608	{
2609	CRVBOXHGCMTAKESCREENSHOT pScreenshot = (CRVBOXHGCMTAKESCREENSHOT)RTMemAlloc(sizeof (*pScreenshot));
2610	if (pScreenshot)
2611	{
2612	/* screen id or CRSCREEN_ALL to specify all enabled */
2613	pScreenshot->u32Screen = aScreenId;
2614	pScreenshot->u32Width = u32Width;
2615	pScreenshot->u32Height = u32Height;
2616	pScreenshot->u32Pitch = u32Width * 4;
2617	pScreenshot->pvBuffer = pu8Data;
2618	pScreenshot->pvContext = NULL;
2619	pScreenshot->pfnScreenshotBegin = NULL;
2620	pScreenshot->pfnScreenshotPerform = NULL;
2621	pScreenshot->pfnScreenshotEnd = NULL;
2622
2623	VBOXCRCMDCTL_HGCM data;
2624	data.Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
2625	data.Hdr.u32Function = SHCRGL_HOST_FN_TAKE_SCREENSHOT;
2626
2627	data.aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
2628	data.aParms[0].u.pointer.addr = pScreenshot;
2629	data.aParms[0].u.pointer.size = sizeof (*pScreenshot);
2630
2631	int rc = pDisplay->crCtlSubmitSync(&data.Hdr, sizeof (data));
2632
2633	RTMemFree(pScreenshot);
2634
2635	if (RT_SUCCESS(rc))
2636	return TRUE;
2637	else
2638	{
2639	AssertMsgFailed(("failed to get screenshot data from crOgl %d\n", rc));
2640	/* fall back to the non-3d mechanism */
2641	}
2642	}
2643	}
2644	}
2645	return FALSE;
2646	}
2647	#endif
2648
2649	int Display::displayTakeScreenshotEMT(Display pDisplay, ULONG aScreenId, uint8_t ppu8Data, size_t pcbData, uint32_t pu32Width, uint32_t pu32Height)
2650	{
2651	int rc;
2652	pDisplay->vbvaLock();
2653	if ( aScreenId == VBOX_VIDEO_PRIMARY_SCREEN
2654	&& pDisplay->maFramebuffers[aScreenId].fVBVAEnabled == false) /* A non-VBVA mode. */
2655	{
2656	rc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppu8Data, pcbData, pu32Width, pu32Height);
2657	}
2658	else if (aScreenId < pDisplay->mcMonitors)
2659	{
2660	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
2661
2662	uint32_t width = pFBInfo->w;
2663	uint32_t height = pFBInfo->h;
2664
2665	/* Allocate 32 bit per pixel bitmap. */
2666	size_t cbRequired = width * 4 * height;
2667
2668	if (cbRequired)
2669	{
2670	uint8_t pu8Data = (uint8_t )RTMemAlloc(cbRequired);
2671
2672	if (pu8Data == NULL)
2673	{
2674	rc = VERR_NO_MEMORY;
2675	}
2676	else
2677	{
2678	/* Copy guest VRAM to the allocated 32bpp buffer. */
2679	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
2680	int32_t xSrc = 0;
2681	int32_t ySrc = 0;
2682	uint32_t u32SrcWidth = width;
2683	uint32_t u32SrcHeight = height;
2684	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
2685	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2686
2687	uint8_t *pu8Dst = pu8Data;
2688	int32_t xDst = 0;
2689	int32_t yDst = 0;
2690	uint32_t u32DstWidth = u32SrcWidth;
2691	uint32_t u32DstHeight = u32SrcHeight;
2692	uint32_t u32DstLineSize = u32DstWidth * 4;
2693	uint32_t u32DstBitsPerPixel = 32;
2694
2695	rc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2696	width, height,
2697	pu8Src,
2698	xSrc, ySrc,
2699	u32SrcWidth, u32SrcHeight,
2700	u32SrcLineSize, u32SrcBitsPerPixel,
2701	pu8Dst,
2702	xDst, yDst,
2703	u32DstWidth, u32DstHeight,
2704	u32DstLineSize, u32DstBitsPerPixel);
2705	if (RT_SUCCESS(rc))
2706	{
2707	*ppu8Data = pu8Data;
2708	*pcbData = cbRequired;
2709	*pu32Width = width;
2710	*pu32Height = height;
2711	}
2712	else
2713	{
2714	RTMemFree(pu8Data);
2715
2716	/* CopyRect can fail if VBVA was paused in VGA device, retry using the generic method. */
2717	if ( rc == VERR_INVALID_STATE
2718	&& aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2719	{
2720	rc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort,
2721	ppu8Data, pcbData, pu32Width, pu32Height);
2722	}
2723	}
2724	}
2725	}
2726	else
2727	{
2728	/* No image. */
2729	*ppu8Data = NULL;
2730	*pcbData = 0;
2731	*pu32Width = 0;
2732	*pu32Height = 0;
2733	rc = VINF_SUCCESS;
2734	}
2735	}
2736	else
2737	{
2738	rc = VERR_INVALID_PARAMETER;
2739	}
2740	pDisplay->vbvaUnlock();
2741	return rc;
2742	}
2743
2744	static int displayTakeScreenshot(PUVM pUVM, Display pDisplay, struct DRVMAINDISPLAY pDrv, ULONG aScreenId,
2745	BYTE *address, ULONG width, ULONG height)
2746	{
2747	uint8_t *pu8Data = NULL;
2748	size_t cbData = 0;
2749	uint32_t cx = 0;
2750	uint32_t cy = 0;
2751	int vrc = VINF_SUCCESS;
2752
2753	# if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
2754	if (Display::displayCheckTakeScreenshotCrOgl(pDisplay, aScreenId, (uint8_t*)address, width, height))
2755	return VINF_SUCCESS;
2756	#endif
2757
2758	int cRetries = 5;
2759
2760	while (cRetries-- > 0)
2761	{
2762	/* Note! Not sure if the priority call is such a good idea here, but
2763	it would be nice to have an accurate screenshot for the bug
2764	report if the VM deadlocks. */
2765	vrc = VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)Display::displayTakeScreenshotEMT, 6,
2766	pDisplay, aScreenId, &pu8Data, &cbData, &cx, &cy);
2767	if (vrc != VERR_TRY_AGAIN)
2768	{
2769	break;
2770	}
2771
2772	RTThreadSleep(10);
2773	}
2774
2775	if (RT_SUCCESS(vrc) && pu8Data)
2776	{
2777	if (cx == width && cy == height)
2778	{
2779	/* No scaling required. */
2780	memcpy(address, pu8Data, cbData);
2781	}
2782	else
2783	{
2784	/* Scale. */
2785	LogRelFlowFunc(("SCALE: %dx%d -> %dx%d\n", cx, cy, width, height));
2786
2787	uint8_t *dst = address;
2788	uint8_t *src = pu8Data;
2789	int dstW = width;
2790	int dstH = height;
2791	int srcW = cx;
2792	int srcH = cy;
2793	int iDeltaLine = cx * 4;
2794
2795	BitmapScale32(dst,
2796	dstW, dstH,
2797	src,
2798	iDeltaLine,
2799	srcW, srcH);
2800	}
2801
2802	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2803	{
2804	/* This can be called from any thread. */
2805	pDrv->pUpPort->pfnFreeScreenshot(pDrv->pUpPort, pu8Data);
2806	}
2807	else
2808	{
2809	RTMemFree(pu8Data);
2810	}
2811	}
2812
2813	return vrc;
2814	}
2815
2816	STDMETHODIMP Display::TakeScreenShot(ULONG aScreenId, BYTE *address, ULONG width, ULONG height)
2817	{
2818	/// @todo (r=dmik) this function may take too long to complete if the VM
2819	// is doing something like saving state right now. Which, in case if it
2820	// is called on the GUI thread, will make it unresponsive. We should
2821	// check the machine state here (by enclosing the check and VMRequCall
2822	// within the Console lock to make it atomic).
2823
2824	LogRelFlowFunc(("address=%p, width=%d, height=%d\n",
2825	address, width, height));
2826
2827	CheckComArgNotNull(address);
2828	CheckComArgExpr(width, width != 0);
2829	CheckComArgExpr(height, height != 0);
2830
2831	/* Do not allow too large screenshots. This also filters out negative
2832	* values passed as either 'width' or 'height'.
2833	*/
2834	CheckComArgExpr(width, width <= 32767);
2835	CheckComArgExpr(height, height <= 32767);
2836
2837	AutoCaller autoCaller(this);
2838	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2839
2840	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2841
2842	if (!mpDrv)
2843	return E_FAIL;
2844
2845	Console::SafeVMPtr ptrVM(mParent);
2846	if (!ptrVM.isOk())
2847	return ptrVM.rc();
2848
2849	HRESULT rc = S_OK;
2850
2851	LogRelFlowFunc(("Sending SCREENSHOT request\n"));
2852
2853	/* Release lock because other thread (EMT) is called and it may initiate a resize
2854	* which also needs lock.
2855	*
2856	* This method does not need the lock anymore.
2857	*/
2858	alock.release();
2859
2860	int vrc = displayTakeScreenshot(ptrVM.rawUVM(), this, mpDrv, aScreenId, address, width, height);
2861
2862	if (vrc == VERR_NOT_IMPLEMENTED)
2863	rc = setError(E_NOTIMPL,
2864	tr("This feature is not implemented"));
2865	else if (vrc == VERR_TRY_AGAIN)
2866	rc = setError(E_UNEXPECTED,
2867	tr("This feature is not available at this time"));
2868	else if (RT_FAILURE(vrc))
2869	rc = setError(VBOX_E_IPRT_ERROR,
2870	tr("Could not take a screenshot (%Rrc)"), vrc);
2871
2872	LogRelFlowFunc(("rc=%Rhrc\n", rc));
2873	return rc;
2874	}
2875
2876	STDMETHODIMP Display::TakeScreenShotToArray(ULONG aScreenId, ULONG width, ULONG height,
2877	ComSafeArrayOut(BYTE, aScreenData))
2878	{
2879	LogRelFlowFunc(("width=%d, height=%d\n", width, height));
2880
2881	CheckComArgOutSafeArrayPointerValid(aScreenData);
2882	CheckComArgExpr(width, width != 0);
2883	CheckComArgExpr(height, height != 0);
2884
2885	/* Do not allow too large screenshots. This also filters out negative
2886	* values passed as either 'width' or 'height'.
2887	*/
2888	CheckComArgExpr(width, width <= 32767);
2889	CheckComArgExpr(height, height <= 32767);
2890
2891	AutoCaller autoCaller(this);
2892	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2893
2894	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2895
2896	if (!mpDrv)
2897	return E_FAIL;
2898
2899	Console::SafeVMPtr ptrVM(mParent);
2900	if (!ptrVM.isOk())
2901	return ptrVM.rc();
2902
2903	HRESULT rc = S_OK;
2904
2905	LogRelFlowFunc(("Sending SCREENSHOT request\n"));
2906
2907	/* Release lock because other thread (EMT) is called and it may initiate a resize
2908	* which also needs lock.
2909	*
2910	* This method does not need the lock anymore.
2911	*/
2912	alock.release();
2913
2914	size_t cbData = width * 4 * height;
2915	uint8_t pu8Data = (uint8_t )RTMemAlloc(cbData);
2916
2917	if (!pu8Data)
2918	return E_OUTOFMEMORY;
2919
2920	int vrc = displayTakeScreenshot(ptrVM.rawUVM(), this, mpDrv, aScreenId, pu8Data, width, height);
2921
2922	if (RT_SUCCESS(vrc))
2923	{
2924	/* Convert pixels to format expected by the API caller: [0] R, [1] G, [2] B, [3] A. */
2925	uint8_t *pu8 = pu8Data;
2926	unsigned cPixels = width * height;
2927	while (cPixels)
2928	{
2929	uint8_t u8 = pu8[0];
2930	pu8[0] = pu8[2];
2931	pu8[2] = u8;
2932	pu8[3] = 0xff;
2933	cPixels--;
2934	pu8 += 4;
2935	}
2936
2937	com::SafeArray<BYTE> screenData(cbData);
2938	screenData.initFrom(pu8Data, cbData);
2939	screenData.detachTo(ComSafeArrayOutArg(aScreenData));
2940	}
2941	else if (vrc == VERR_NOT_IMPLEMENTED)
2942	rc = setError(E_NOTIMPL,
2943	tr("This feature is not implemented"));
2944	else
2945	rc = setError(VBOX_E_IPRT_ERROR,
2946	tr("Could not take a screenshot (%Rrc)"), vrc);
2947
2948	RTMemFree(pu8Data);
2949
2950	LogRelFlowFunc(("rc=%Rhrc\n", rc));
2951	return rc;
2952	}
2953
2954	STDMETHODIMP Display::TakeScreenShotPNGToArray(ULONG aScreenId, ULONG width, ULONG height,
2955	ComSafeArrayOut(BYTE, aScreenData))
2956	{
2957	LogRelFlowFunc(("width=%d, height=%d\n", width, height));
2958
2959	CheckComArgOutSafeArrayPointerValid(aScreenData);
2960	CheckComArgExpr(width, width != 0);
2961	CheckComArgExpr(height, height != 0);
2962
2963	/* Do not allow too large screenshots. This also filters out negative
2964	* values passed as either 'width' or 'height'.
2965	*/
2966	CheckComArgExpr(width, width <= 32767);
2967	CheckComArgExpr(height, height <= 32767);
2968
2969	AutoCaller autoCaller(this);
2970	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2971
2972	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2973
2974	CHECK_CONSOLE_DRV(mpDrv);
2975
2976	Console::SafeVMPtr ptrVM(mParent);
2977	if (!ptrVM.isOk())
2978	return ptrVM.rc();
2979
2980	HRESULT rc = S_OK;
2981
2982	LogRelFlowFunc(("Sending SCREENSHOT request\n"));
2983
2984	/* Release lock because other thread (EMT) is called and it may initiate a resize
2985	* which also needs lock.
2986	*
2987	* This method does not need the lock anymore.
2988	*/
2989	alock.release();
2990
2991	size_t cbData = width * 4 * height;
2992	uint8_t pu8Data = (uint8_t )RTMemAlloc(cbData);
2993
2994	if (!pu8Data)
2995	return E_OUTOFMEMORY;
2996
2997	int vrc = displayTakeScreenshot(ptrVM.rawUVM(), this, mpDrv, aScreenId, pu8Data, width, height);
2998
2999	if (RT_SUCCESS(vrc))
3000	{
3001	uint8_t *pu8PNG = NULL;
3002	uint32_t cbPNG = 0;
3003	uint32_t cxPNG = 0;
3004	uint32_t cyPNG = 0;
3005
3006	vrc = DisplayMakePNG(pu8Data, width, height, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 0);
3007	if (RT_SUCCESS(vrc))
3008	{
3009	com::SafeArray<BYTE> screenData(cbPNG);
3010	screenData.initFrom(pu8PNG, cbPNG);
3011	if (pu8PNG)
3012	RTMemFree(pu8PNG);
3013
3014	screenData.detachTo(ComSafeArrayOutArg(aScreenData));
3015	}
3016	else
3017	{
3018	if (pu8PNG)
3019	RTMemFree(pu8PNG);
3020	rc = setError(VBOX_E_IPRT_ERROR,
3021	tr("Could not convert screenshot to PNG (%Rrc)"), vrc);
3022	}
3023	}
3024	else if (vrc == VERR_NOT_IMPLEMENTED)
3025	rc = setError(E_NOTIMPL,
3026	tr("This feature is not implemented"));
3027	else
3028	rc = setError(VBOX_E_IPRT_ERROR,
3029	tr("Could not take a screenshot (%Rrc)"), vrc);
3030
3031	RTMemFree(pu8Data);
3032
3033	LogRelFlowFunc(("rc=%Rhrc\n", rc));
3034	return rc;
3035	}
3036
3037	int Display::VideoCaptureEnableScreens(ComSafeArrayIn(BOOL, aScreens))
3038	{
3039	#ifdef VBOX_WITH_VPX
3040	com::SafeArray<BOOL> Screens(ComSafeArrayInArg(aScreens));
3041	for (unsigned i = 0; i < Screens.size(); i++)
3042	maVideoRecEnabled[i] = RT_BOOL(Screens[i]);
3043	return VINF_SUCCESS;
3044	#else
3045	return VERR_NOT_IMPLEMENTED;
3046	#endif
3047	}
3048
3049	/**
3050	* Start video capturing. Does nothing if capturing is already active.
3051	*/
3052	int Display::VideoCaptureStart()
3053	{
3054	#ifdef VBOX_WITH_VPX
3055	if (VideoRecIsEnabled(mpVideoRecCtx))
3056	return VINF_SUCCESS;
3057
3058	int rc = VideoRecContextCreate(&mpVideoRecCtx, mcMonitors);
3059	if (RT_FAILURE(rc))
3060	{
3061	LogFlow(("Failed to create video recording context (%Rrc)!\n", rc));
3062	return rc;
3063	}
3064	ComPtr<IMachine> pMachine = mParent->machine();
3065	com::SafeArray<BOOL> screens;
3066	HRESULT hrc = pMachine->COMGETTER(VideoCaptureScreens)(ComSafeArrayAsOutParam(screens));
3067	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
3068	for (unsigned i = 0; i < RT_ELEMENTS(maVideoRecEnabled); i++)
3069	maVideoRecEnabled[i] = i < screens.size() && screens[i];
3070	ULONG ulWidth;
3071	hrc = pMachine->COMGETTER(VideoCaptureWidth)(&ulWidth);
3072	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
3073	ULONG ulHeight;
3074	hrc = pMachine->COMGETTER(VideoCaptureHeight)(&ulHeight);
3075	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
3076	ULONG ulRate;
3077	hrc = pMachine->COMGETTER(VideoCaptureRate)(&ulRate);
3078	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
3079	ULONG ulFPS;
3080	hrc = pMachine->COMGETTER(VideoCaptureFPS)(&ulFPS);
3081	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
3082	BSTR strFile;
3083	hrc = pMachine->COMGETTER(VideoCaptureFile)(&strFile);
3084	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
3085	RTTIMESPEC ts;
3086	RTTimeNow(&ts);
3087	RTTIME time;
3088	RTTimeExplode(&time, &ts);
3089	for (unsigned uScreen = 0; uScreen < mcMonitors; uScreen++)
3090	{
3091	char *pszAbsPath = RTPathAbsDup(com::Utf8Str(strFile).c_str());
3092	char *pszSuff = RTPathSuffix(pszAbsPath);
3093	if (pszSuff)
3094	pszSuff = RTStrDup(pszSuff);
3095	RTPathStripSuffix(pszAbsPath);
3096	if (!pszAbsPath)
3097	rc = VERR_INVALID_PARAMETER;
3098	if (!pszSuff)
3099	pszSuff = RTStrDup(".webm");
3100	char *pszName = NULL;
3101	if (RT_SUCCESS(rc))
3102	{
3103	if (mcMonitors > 1)
3104	rc = RTStrAPrintf(&pszName, "%s-%u%s", pszAbsPath, uScreen+1, pszSuff);
3105	else
3106	rc = RTStrAPrintf(&pszName, "%s%s", pszAbsPath, pszSuff);
3107	}
3108	if (RT_SUCCESS(rc))
3109	{
3110	rc = VideoRecStrmInit(mpVideoRecCtx, uScreen,
3111	pszName, ulWidth, ulHeight, ulRate, ulFPS);
3112	if (rc == VERR_ALREADY_EXISTS)
3113	{
3114	RTStrFree(pszName);
3115	pszName = NULL;
3116
3117	if (mcMonitors > 1)
3118	rc = RTStrAPrintf(&pszName, "%s-%04d-%02u-%02uT%02u-%02u-%02u-%09uZ-%u%s",
3119	pszAbsPath, time.i32Year, time.u8Month, time.u8MonthDay,
3120	time.u8Hour, time.u8Minute, time.u8Second, time.u32Nanosecond,
3121	uScreen+1, pszSuff);
3122	else
3123	rc = RTStrAPrintf(&pszName, "%s-%04d-%02u-%02uT%02u-%02u-%02u-%09uZ%s",
3124	pszAbsPath, time.i32Year, time.u8Month, time.u8MonthDay,
3125	time.u8Hour, time.u8Minute, time.u8Second, time.u32Nanosecond,
3126	pszSuff);
3127	if (RT_SUCCESS(rc))
3128	rc = VideoRecStrmInit(mpVideoRecCtx, uScreen,
3129	pszName, ulWidth, ulHeight, ulRate, ulFPS);
3130	}
3131	}
3132
3133	if (RT_SUCCESS(rc))
3134	LogRel(("WebM/VP8 video recording screen #%u with %ux%u @ %u kbps, %u fps to '%s' enabled.\n",
3135	uScreen, ulWidth, ulHeight, ulRate, ulFPS, pszName));
3136	else
3137	LogRel(("Failed to initialize video recording context #%u (%Rrc)!\n", uScreen, rc));
3138	RTStrFree(pszName);
3139	RTStrFree(pszSuff);
3140	RTStrFree(pszAbsPath);
3141	}
3142	return rc;
3143	#else
3144	return VERR_NOT_IMPLEMENTED;
3145	#endif
3146	}
3147
3148	/**
3149	* Stop video capturing. Does nothing if video capturing is not active.
3150	*/
3151	void Display::VideoCaptureStop()
3152	{
3153	#ifdef VBOX_WITH_VPX
3154	if (VideoRecIsEnabled(mpVideoRecCtx))
3155	LogRel(("WebM/VP8 video recording stopped.\n"));
3156	VideoRecContextClose(mpVideoRecCtx);
3157	mpVideoRecCtx = NULL;
3158	#endif
3159	}
3160
3161	int Display::drawToScreenEMT(Display pDisplay, ULONG aScreenId, BYTE address,
3162	ULONG x, ULONG y, ULONG width, ULONG height)
3163	{
3164	int rc = VINF_SUCCESS;
3165	pDisplay->vbvaLock();
3166
3167	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
3168
3169	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3170	{
3171	if (pFBInfo->u32ResizeStatus == ResizeStatus_Void)
3172	{
3173	rc = pDisplay->mpDrv->pUpPort->pfnDisplayBlt(pDisplay->mpDrv->pUpPort, address, x, y, width, height);
3174	}
3175	}
3176	else if (aScreenId < pDisplay->mcMonitors)
3177	{
3178	/* Copy the bitmap to the guest VRAM. */
3179	const uint8_t *pu8Src = address;
3180	int32_t xSrc = 0;
3181	int32_t ySrc = 0;
3182	uint32_t u32SrcWidth = width;
3183	uint32_t u32SrcHeight = height;
3184	uint32_t u32SrcLineSize = width * 4;
3185	uint32_t u32SrcBitsPerPixel = 32;
3186
3187	uint8_t *pu8Dst = pFBInfo->pu8FramebufferVRAM;
3188	int32_t xDst = x;
3189	int32_t yDst = y;
3190	uint32_t u32DstWidth = pFBInfo->w;
3191	uint32_t u32DstHeight = pFBInfo->h;
3192	uint32_t u32DstLineSize = pFBInfo->u32LineSize;
3193	uint32_t u32DstBitsPerPixel = pFBInfo->u16BitsPerPixel;
3194
3195	rc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
3196	width, height,
3197	pu8Src,
3198	xSrc, ySrc,
3199	u32SrcWidth, u32SrcHeight,
3200	u32SrcLineSize, u32SrcBitsPerPixel,
3201	pu8Dst,
3202	xDst, yDst,
3203	u32DstWidth, u32DstHeight,
3204	u32DstLineSize, u32DstBitsPerPixel);
3205	if (RT_SUCCESS(rc))
3206	{
3207	if (!pFBInfo->pFramebuffer.isNull())
3208	{
3209	/* Update the changed screen area. When framebuffer uses VRAM directly, just notify
3210	* it to update. And for default format, render the guest VRAM to framebuffer.
3211	*/
3212	if ( pFBInfo->fDefaultFormat
3213	&& !pFBInfo->fDisabled)
3214	{
3215	address = NULL;
3216	HRESULT hrc = pFBInfo->pFramebuffer->COMGETTER(Address) (&address);
3217	if (SUCCEEDED(hrc) && address != NULL)
3218	{
3219	pu8Src = pFBInfo->pu8FramebufferVRAM;
3220	xSrc = x;
3221	ySrc = y;
3222	u32SrcWidth = pFBInfo->w;
3223	u32SrcHeight = pFBInfo->h;
3224	u32SrcLineSize = pFBInfo->u32LineSize;
3225	u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
3226
3227	/* Default format is 32 bpp. */
3228	pu8Dst = address;
3229	xDst = xSrc;
3230	yDst = ySrc;
3231	u32DstWidth = u32SrcWidth;
3232	u32DstHeight = u32SrcHeight;
3233	u32DstLineSize = u32DstWidth * 4;
3234	u32DstBitsPerPixel = 32;
3235
3236	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
3237	width, height,
3238	pu8Src,
3239	xSrc, ySrc,
3240	u32SrcWidth, u32SrcHeight,
3241	u32SrcLineSize, u32SrcBitsPerPixel,
3242	pu8Dst,
3243	xDst, yDst,
3244	u32DstWidth, u32DstHeight,
3245	u32DstLineSize, u32DstBitsPerPixel);
3246	}
3247	}
3248
3249	pDisplay->handleDisplayUpdate(aScreenId, x, y, width, height);
3250	}
3251	}
3252	}
3253	else
3254	{
3255	rc = VERR_INVALID_PARAMETER;
3256	}
3257
3258	if ( RT_SUCCESS(rc)
3259	&& pDisplay->maFramebuffers[aScreenId].u32ResizeStatus == ResizeStatus_Void)
3260	pDisplay->mParent->consoleVRDPServer()->SendUpdateBitmap(aScreenId, x, y, width, height);
3261
3262	pDisplay->vbvaUnlock();
3263	return rc;
3264	}
3265
3266	STDMETHODIMP Display::DrawToScreen(ULONG aScreenId, BYTE *address,
3267	ULONG x, ULONG y, ULONG width, ULONG height)
3268	{
3269	/// @todo (r=dmik) this function may take too long to complete if the VM
3270	// is doing something like saving state right now. Which, in case if it
3271	// is called on the GUI thread, will make it unresponsive. We should
3272	// check the machine state here (by enclosing the check and VMRequCall
3273	// within the Console lock to make it atomic).
3274
3275	LogRelFlowFunc(("address=%p, x=%d, y=%d, width=%d, height=%d\n",
3276	(void *)address, x, y, width, height));
3277
3278	CheckComArgNotNull(address);
3279	CheckComArgExpr(width, width != 0);
3280	CheckComArgExpr(height, height != 0);
3281
3282	AutoCaller autoCaller(this);
3283	if (FAILED(autoCaller.rc())) return autoCaller.rc();
3284
3285	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3286
3287	CHECK_CONSOLE_DRV(mpDrv);
3288
3289	Console::SafeVMPtr ptrVM(mParent);
3290	if (!ptrVM.isOk())
3291	return ptrVM.rc();
3292
3293	/* Release lock because the call scheduled on EMT may also try to take it. */
3294	alock.release();
3295
3296	/*
3297	* Again we're lazy and make the graphics device do all the
3298	* dirty conversion work.
3299	*/
3300	int rcVBox = VMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::drawToScreenEMT, 7,
3301	this, aScreenId, address, x, y, width, height);
3302
3303	/*
3304	* If the function returns not supported, we'll have to do all the
3305	* work ourselves using the framebuffer.
3306	*/
3307	HRESULT rc = S_OK;
3308	if (rcVBox == VERR_NOT_SUPPORTED \|\| rcVBox == VERR_NOT_IMPLEMENTED)
3309	{
3310	/** @todo implement generic fallback for screen blitting. */
3311	rc = E_NOTIMPL;
3312	}
3313	else if (RT_FAILURE(rcVBox))
3314	rc = setError(VBOX_E_IPRT_ERROR,
3315	tr("Could not draw to the screen (%Rrc)"), rcVBox);
3316	//@todo
3317	// else
3318	// {
3319	// /* All ok. Redraw the screen. */
3320	// handleDisplayUpdate (x, y, width, height);
3321	// }
3322
3323	LogRelFlowFunc(("rc=%Rhrc\n", rc));
3324	return rc;
3325	}
3326
3327	void Display::InvalidateAndUpdateEMT(Display *pDisplay, unsigned uId, bool fUpdateAll)
3328	{
3329	pDisplay->vbvaLock();
3330	unsigned uScreenId;
3331	for (uScreenId = (fUpdateAll ? 0 : uId); uScreenId < pDisplay->mcMonitors; uScreenId++)
3332	{
3333	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
3334
3335	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && !pFBInfo->pFramebuffer.isNull())
3336	{
3337	pDisplay->mpDrv->pUpPort->pfnUpdateDisplayAll(pDisplay->mpDrv->pUpPort);
3338	}
3339	else
3340	{
3341	if ( !pFBInfo->pFramebuffer.isNull()
3342	&& !pFBInfo->fDisabled
3343	&& pFBInfo->u32ResizeStatus == ResizeStatus_Void)
3344	{
3345	/* Render complete VRAM screen to the framebuffer.
3346	* When framebuffer uses VRAM directly, just notify it to update.
3347	*/
3348	if (pFBInfo->fDefaultFormat)
3349	{
3350	BYTE *address = NULL;
3351	ULONG uWidth = 0;
3352	ULONG uHeight = 0;
3353	pFBInfo->pFramebuffer->COMGETTER(Width) (&uWidth);
3354	pFBInfo->pFramebuffer->COMGETTER(Height) (&uHeight);
3355	HRESULT hrc = pFBInfo->pFramebuffer->COMGETTER(Address) (&address);
3356	if (SUCCEEDED(hrc) && address != NULL)
3357	{
3358	uint32_t width = pFBInfo->w;
3359	uint32_t height = pFBInfo->h;
3360
3361	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
3362	int32_t xSrc = 0;
3363	int32_t ySrc = 0;
3364	uint32_t u32SrcWidth = pFBInfo->w;
3365	uint32_t u32SrcHeight = pFBInfo->h;
3366	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
3367	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
3368
3369	/* Default format is 32 bpp. */
3370	uint8_t *pu8Dst = address;
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	/* if uWidth != pFBInfo->w and uHeight != pFBInfo->h
3379	* implies resize of Framebuffer is in progress and
3380	* copyrect should not be called.
3381	*/
3382	if (uWidth == pFBInfo->w && uHeight == pFBInfo->h)
3383	{
3384
3385	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
3386	width, height,
3387	pu8Src,
3388	xSrc, ySrc,
3389	u32SrcWidth, u32SrcHeight,
3390	u32SrcLineSize, u32SrcBitsPerPixel,
3391	pu8Dst,
3392	xDst, yDst,
3393	u32DstWidth, u32DstHeight,
3394	u32DstLineSize, u32DstBitsPerPixel);
3395	}
3396	}
3397	}
3398
3399	pDisplay->handleDisplayUpdate (uScreenId, 0, 0, pFBInfo->w, pFBInfo->h);
3400	}
3401	}
3402	if (!fUpdateAll)
3403	break;
3404	}
3405	pDisplay->vbvaUnlock();
3406	}
3407
3408	/**
3409	* Does a full invalidation of the VM display and instructs the VM
3410	* to update it immediately.
3411	*
3412	* @returns COM status code
3413	*/
3414	STDMETHODIMP Display::InvalidateAndUpdate()
3415	{
3416	LogRelFlowFunc(("\n"));
3417
3418	AutoCaller autoCaller(this);
3419	if (FAILED(autoCaller.rc())) return autoCaller.rc();
3420
3421	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3422
3423	CHECK_CONSOLE_DRV(mpDrv);
3424
3425	Console::SafeVMPtr ptrVM(mParent);
3426	if (!ptrVM.isOk())
3427	return ptrVM.rc();
3428
3429	HRESULT rc = S_OK;
3430
3431	LogRelFlowFunc(("Sending DPYUPDATE request\n"));
3432
3433	/* Have to release the lock when calling EMT. */
3434	alock.release();
3435
3436	/* pdm.h says that this has to be called from the EMT thread */
3437	int rcVBox = VMR3ReqCallVoidWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::InvalidateAndUpdateEMT,
3438	3, this, 0, true);
3439	alock.acquire();
3440
3441	if (RT_FAILURE(rcVBox))
3442	rc = setError(VBOX_E_IPRT_ERROR,
3443	tr("Could not invalidate and update the screen (%Rrc)"), rcVBox);
3444
3445	LogRelFlowFunc(("rc=%Rhrc\n", rc));
3446	return rc;
3447	}
3448
3449	/**
3450	* Notification that the framebuffer has completed the
3451	* asynchronous resize processing
3452	*
3453	* @returns COM status code
3454	*/
3455	STDMETHODIMP Display::ResizeCompleted(ULONG aScreenId)
3456	{
3457	LogRelFlowFunc(("\n"));
3458
3459	/// @todo (dmik) can we AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); here?
3460	// This will require general code review and may add some details.
3461	// In particular, we may want to check whether EMT is really waiting for
3462	// this notification, etc. It might be also good to obey the caller to make
3463	// sure this method is not called from more than one thread at a time
3464	// (and therefore don't use Display lock at all here to save some
3465	// milliseconds).
3466	AutoCaller autoCaller(this);
3467	if (FAILED(autoCaller.rc())) return autoCaller.rc();
3468
3469	/* this is only valid for external framebuffers */
3470	if (maFramebuffers[aScreenId].pFramebuffer == NULL)
3471	return setError(VBOX_E_NOT_SUPPORTED,
3472	tr("Resize completed notification is valid only for external framebuffers"));
3473
3474	/* Set the flag indicating that the resize has completed and display
3475	* data need to be updated. */
3476	bool f = ASMAtomicCmpXchgU32 (&maFramebuffers[aScreenId].u32ResizeStatus,
3477	ResizeStatus_UpdateDisplayData, ResizeStatus_InProgress);
3478	AssertRelease(f);NOREF(f);
3479
3480	return S_OK;
3481	}
3482
3483	STDMETHODIMP Display::CompleteVHWACommand(BYTE *pCommand)
3484	{
3485	#ifdef VBOX_WITH_VIDEOHWACCEL
3486	mpDrv->pVBVACallbacks->pfnVHWACommandCompleteAsynch(mpDrv->pVBVACallbacks, (PVBOXVHWACMD)pCommand);
3487	return S_OK;
3488	#else
3489	return E_NOTIMPL;
3490	#endif
3491	}
3492
3493	STDMETHODIMP Display::ViewportChanged(ULONG aScreenId, ULONG x, ULONG y, ULONG width, ULONG height)
3494	{
3495	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
3496
3497	if (mcMonitors <= aScreenId)
3498	{
3499	AssertMsgFailed(("invalid screen id\n"));
3500	return E_INVALIDARG;
3501	}
3502
3503	BOOL is3denabled;
3504	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
3505
3506	if (is3denabled)
3507	{
3508	VMMDev *pVMMDev = mParent->getVMMDev();
3509
3510	if (pVMMDev)
3511	{
3512	crViewportNotify(pVMMDev, aScreenId, x, y, width, height);
3513	}
3514	else
3515	{
3516	DISPLAYFBINFO *pFb = &maFramebuffers[aScreenId];
3517	pFb->pendingViewportInfo.fPending = true;
3518	pFb->pendingViewportInfo.x = x;
3519	pFb->pendingViewportInfo.y = y;
3520	pFb->pendingViewportInfo.width = width;
3521	pFb->pendingViewportInfo.height = height;
3522	}
3523	}
3524	#endif /* VBOX_WITH_CROGL && VBOX_WITH_HGCM */
3525	return S_OK;
3526	}
3527
3528	// private methods
3529	/////////////////////////////////////////////////////////////////////////////
3530
3531	/**
3532	* Helper to update the display information from the framebuffer.
3533	*
3534	* @thread EMT
3535	*/
3536	int Display::updateDisplayData(void)
3537	{
3538	LogRelFlowFunc(("\n"));
3539
3540	/* the driver might not have been constructed yet */
3541	if (!mpDrv)
3542	return VINF_SUCCESS;
3543
3544	#ifdef VBOX_STRICT
3545	/*
3546	* Sanity check. Note that this method may be called on EMT after Console
3547	* has started the power down procedure (but before our #drvDestruct() is
3548	* called, in which case pVM will already be NULL but mpDrv will not). Since
3549	* we don't really need pVM to proceed, we avoid this check in the release
3550	* build to save some ms (necessary to construct SafeVMPtrQuiet) in this
3551	* time-critical method.
3552	*/
3553	Console::SafeVMPtrQuiet ptrVM(mParent);
3554	if (ptrVM.isOk())
3555	{
3556	PVM pVM = VMR3GetVM(ptrVM.rawUVM());
3557	Assert(VM_IS_EMT(pVM));
3558	}
3559	#endif
3560
3561	/* The method is only relevant to the primary framebuffer. */
3562	IFramebuffer *pFramebuffer = maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].pFramebuffer;
3563
3564	if (pFramebuffer)
3565	{
3566	HRESULT rc;
3567	BYTE *address = 0;
3568	rc = pFramebuffer->COMGETTER(Address) (&address);
3569	AssertComRC (rc);
3570	ULONG bytesPerLine = 0;
3571	rc = pFramebuffer->COMGETTER(BytesPerLine) (&bytesPerLine);
3572	AssertComRC (rc);
3573	ULONG bitsPerPixel = 0;
3574	rc = pFramebuffer->COMGETTER(BitsPerPixel) (&bitsPerPixel);
3575	AssertComRC (rc);
3576	ULONG width = 0;
3577	rc = pFramebuffer->COMGETTER(Width) (&width);
3578	AssertComRC (rc);
3579	ULONG height = 0;
3580	rc = pFramebuffer->COMGETTER(Height) (&height);
3581	AssertComRC (rc);
3582
3583	if ( (width != mLastWidth && mLastWidth != 0)
3584	\|\| (height != mLastHeight && mLastHeight != 0))
3585	{
3586	LogRel(("updateDisplayData: size mismatch w %d(%d) h %d(%d)\n",
3587	width, mLastWidth, height, mLastHeight));
3588	return VERR_INVALID_STATE;
3589	}
3590
3591	mpDrv->IConnector.pu8Data = (uint8_t *) address;
3592	mpDrv->IConnector.cbScanline = bytesPerLine;
3593	mpDrv->IConnector.cBits = bitsPerPixel;
3594	mpDrv->IConnector.cx = width;
3595	mpDrv->IConnector.cy = height;
3596	}
3597	else
3598	{
3599	/* black hole */
3600	mpDrv->IConnector.pu8Data = NULL;
3601	mpDrv->IConnector.cbScanline = 0;
3602	mpDrv->IConnector.cBits = 0;
3603	mpDrv->IConnector.cx = 0;
3604	mpDrv->IConnector.cy = 0;
3605	}
3606	LogRelFlowFunc(("leave\n"));
3607	return VINF_SUCCESS;
3608	}
3609
3610	#ifdef VBOX_WITH_CROGL
3611	void Display::crViewportNotify(VMMDev *pVMMDev, ULONG aScreenId, ULONG x, ULONG y, ULONG width, ULONG height)
3612	{
3613	struct {
3614	VBOXCRCMDCTL_HGCM data;
3615	VBOXHGCMSVCPARM aParms[4];
3616	} s;
3617
3618	s.data.Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
3619	s.data.Hdr.u32Function = SHCRGL_HOST_FN_VIEWPORT_CHANGED;
3620
3621	s.data.aParms[0].type = VBOX_HGCM_SVC_PARM_32BIT;
3622	s.data.aParms[0].u.uint32 = aScreenId;
3623
3624	s.data.aParms[1].type = VBOX_HGCM_SVC_PARM_32BIT;
3625	s.data.aParms[1].u.uint32 = x;
3626
3627	s.data.aParms[2].type = VBOX_HGCM_SVC_PARM_32BIT;
3628	s.data.aParms[2].u.uint32 = y;
3629
3630	s.data.aParms[3].type = VBOX_HGCM_SVC_PARM_32BIT;
3631	s.data.aParms[3].u.uint32 = width;
3632
3633	s.data.aParms[4].type = VBOX_HGCM_SVC_PARM_32BIT;
3634	s.data.aParms[4].u.uint32 = height;
3635
3636	crCtlSubmitSync(&s.data.Hdr, RT_OFFSETOF(VBOXCRCMDCTL_HGCM, aParms[5]));
3637	}
3638	#endif
3639
3640	#ifdef VBOX_WITH_CRHGSMI
3641	void Display::setupCrHgsmiData(void)
3642	{
3643	VMMDev *pVMMDev = mParent->getVMMDev();
3644	Assert(pVMMDev);
3645	int rc = VERR_GENERAL_FAILURE;
3646	if (pVMMDev)
3647	rc = pVMMDev->hgcmHostSvcHandleCreate("VBoxSharedCrOpenGL", &mhCrOglSvc);
3648
3649	if (RT_SUCCESS(rc))
3650	{
3651	Assert(mhCrOglSvc);
3652	/* setup command completion callback */
3653	VBOXVDMACMD_CHROMIUM_CTL_CRHGSMI_SETUP_MAINCB Completion;
3654	Completion.Hdr.enmType = VBOXVDMACMD_CHROMIUM_CTL_TYPE_CRHGSMI_SETUP_MAINCB;
3655	Completion.Hdr.cbCmd = sizeof (Completion);
3656	Completion.hCompletion = mpDrv->pVBVACallbacks;
3657	Completion.pfnCompletion = mpDrv->pVBVACallbacks->pfnCrHgsmiCommandCompleteAsync;
3658
3659	VBOXHGCMSVCPARM parm;
3660	parm.type = VBOX_HGCM_SVC_PARM_PTR;
3661	parm.u.pointer.addr = &Completion;
3662	parm.u.pointer.size = 0;
3663
3664	rc = pVMMDev->hgcmHostCall("VBoxSharedCrOpenGL", SHCRGL_HOST_FN_CRHGSMI_CTL, 1, &parm);
3665	if (RT_SUCCESS(rc))
3666	{
3667	mCrOglCallbacks = Completion.MainInterface;
3668
3669	return;
3670	}
3671
3672	AssertMsgFailed(("VBOXVDMACMD_CHROMIUM_CTL_TYPE_CRHGSMI_SETUP_COMPLETION failed rc %d", rc));
3673	}
3674
3675	mhCrOglSvc = NULL;
3676	}
3677
3678	void Display::destructCrHgsmiData(void)
3679	{
3680	mhCrOglSvc = NULL;
3681	}
3682	#endif
3683
3684	/**
3685	* Changes the current frame buffer. Called on EMT to avoid both
3686	* race conditions and excessive locking.
3687	*
3688	* @note locks this object for writing
3689	* @thread EMT
3690	*/
3691	/* static */
3692	DECLCALLBACK(int) Display::changeFramebuffer (Display that, IFramebuffer aFB,
3693	unsigned uScreenId)
3694	{
3695	LogRelFlowFunc(("uScreenId = %d\n", uScreenId));
3696
3697	AssertReturn(that, VERR_INVALID_PARAMETER);
3698	AssertReturn(uScreenId < that->mcMonitors, VERR_INVALID_PARAMETER);
3699
3700	AutoCaller autoCaller(that);
3701	if (FAILED(autoCaller.rc())) return autoCaller.rc();
3702
3703	AutoWriteLock alock(that COMMA_LOCKVAL_SRC_POS);
3704
3705	DISPLAYFBINFO *pDisplayFBInfo = &that->maFramebuffers[uScreenId];
3706	pDisplayFBInfo->pFramebuffer = aFB;
3707
3708	that->mParent->consoleVRDPServer()->SendResize ();
3709
3710	/* The driver might not have been constructed yet */
3711	if (that->mpDrv)
3712	{
3713	/* Setup the new framebuffer, the resize will lead to an updateDisplayData call. */
3714	DISPLAYFBINFO *pFBInfo = &that->maFramebuffers[uScreenId];
3715
3716	#if defined(VBOX_WITH_CROGL)
3717	/* Release the lock, because SHCRGL_HOST_FN_SCREEN_CHANGED will read current framebuffer */
3718	{
3719	BOOL is3denabled;
3720	that->mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
3721
3722	if (is3denabled)
3723	{
3724	alock.release();
3725	}
3726	}
3727	#endif
3728
3729	if (pFBInfo->fVBVAEnabled && pFBInfo->pu8FramebufferVRAM)
3730	{
3731	/* This display in VBVA mode. Resize it to the last guest resolution,
3732	* if it has been reported.
3733	*/
3734	that->handleDisplayResize(uScreenId, pFBInfo->u16BitsPerPixel,
3735	pFBInfo->pu8FramebufferVRAM,
3736	pFBInfo->u32LineSize,
3737	pFBInfo->w,
3738	pFBInfo->h,
3739	pFBInfo->flags);
3740	}
3741	else if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3742	{
3743	/* VGA device mode, only for the primary screen. */
3744	that->handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, that->mLastBitsPerPixel,
3745	that->mLastAddress,
3746	that->mLastBytesPerLine,
3747	that->mLastWidth,
3748	that->mLastHeight,
3749	that->mLastFlags);
3750	}
3751	}
3752
3753	LogRelFlowFunc(("leave\n"));
3754	return VINF_SUCCESS;
3755	}
3756
3757	/**
3758	* Handle display resize event issued by the VGA device for the primary screen.
3759	*
3760	* @see PDMIDISPLAYCONNECTOR::pfnResize
3761	*/
3762	DECLCALLBACK(int) Display::displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface,
3763	uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy)
3764	{
3765	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3766
3767	LogRelFlowFunc(("bpp %d, pvVRAM %p, cbLine %d, cx %d, cy %d\n",
3768	bpp, pvVRAM, cbLine, cx, cy));
3769
3770	return pDrv->pDisplay->handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, bpp, pvVRAM, cbLine, cx, cy, VBVA_SCREEN_F_ACTIVE);
3771	}
3772
3773	/**
3774	* Handle display update.
3775	*
3776	* @see PDMIDISPLAYCONNECTOR::pfnUpdateRect
3777	*/
3778	DECLCALLBACK(void) Display::displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
3779	uint32_t x, uint32_t y, uint32_t cx, uint32_t cy)
3780	{
3781	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3782
3783	#ifdef DEBUG_sunlover
3784	LogFlowFunc(("mfVideoAccelEnabled = %d, %d,%d %dx%d\n",
3785	pDrv->pDisplay->mfVideoAccelEnabled, x, y, cx, cy));
3786	#endif /* DEBUG_sunlover */
3787
3788	/* This call does update regardless of VBVA status.
3789	* But in VBVA mode this is called only as result of
3790	* pfnUpdateDisplayAll in the VGA device.
3791	*/
3792
3793	pDrv->pDisplay->handleDisplayUpdate(VBOX_VIDEO_PRIMARY_SCREEN, x, y, cx, cy);
3794	}
3795
3796	/**
3797	* Periodic display refresh callback.
3798	*
3799	* @see PDMIDISPLAYCONNECTOR::pfnRefresh
3800	* @thread EMT
3801	*/
3802	DECLCALLBACK(void) Display::displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface)
3803	{
3804	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3805
3806	#ifdef DEBUG_sunlover
3807	STAM_PROFILE_START(&g_StatDisplayRefresh, a);
3808	#endif /* DEBUG_sunlover */
3809
3810	#ifdef DEBUG_sunlover_2
3811	LogFlowFunc(("pDrv->pDisplay->mfVideoAccelEnabled = %d\n",
3812	pDrv->pDisplay->mfVideoAccelEnabled));
3813	#endif /* DEBUG_sunlover_2 */
3814
3815	Display *pDisplay = pDrv->pDisplay;
3816	bool fNoUpdate = false; /* Do not update the display if any of the framebuffers is being resized. */
3817	unsigned uScreenId;
3818
3819	Log2(("DisplayRefreshCallback\n"));
3820	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
3821	{
3822	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
3823
3824	/* Check the resize status. The status can be checked normally because
3825	* the status affects only the EMT.
3826	*/
3827	uint32_t u32ResizeStatus = pFBInfo->u32ResizeStatus;
3828
3829	if (u32ResizeStatus == ResizeStatus_UpdateDisplayData)
3830	{
3831	LogRelFlowFunc(("ResizeStatus_UpdateDisplayData %d\n", uScreenId));
3832	fNoUpdate = true; /* Always set it here, because pfnUpdateDisplayAll can cause a new resize. */
3833	/* The framebuffer was resized and display data need to be updated. */
3834	pDisplay->handleResizeCompletedEMT(uScreenId);
3835	if (pFBInfo->u32ResizeStatus != ResizeStatus_Void)
3836	{
3837	/* The resize status could be not Void here because a pending resize is issued. */
3838	continue;
3839	}
3840
3841	/* Repaint the display because VM continued to run during the framebuffer resize. */
3842	pDisplay->InvalidateAndUpdateEMT(pDisplay, uScreenId, false);
3843
3844	/* Continue with normal processing because the status here is ResizeStatus_Void. */
3845	}
3846	else if (u32ResizeStatus == ResizeStatus_InProgress)
3847	{
3848	/* The framebuffer is being resized. Do not call the VGA device back. Immediately return. */
3849	LogRelFlowFunc(("ResizeStatus_InProcess\n"));
3850	fNoUpdate = true;
3851	continue;
3852	}
3853	}
3854
3855	if (!fNoUpdate)
3856	{
3857	int rc = pDisplay->videoAccelRefreshProcess();
3858	if (rc != VINF_TRY_AGAIN) /* Means 'do nothing' here. */
3859	{
3860	if (rc == VWRN_INVALID_STATE)
3861	{
3862	/* No VBVA do a display update. */
3863	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN];
3864	if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
3865	{
3866	Assert(pDrv->IConnector.pu8Data);
3867	pDisplay->vbvaLock();
3868	pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
3869	pDisplay->vbvaUnlock();
3870	}
3871	}
3872
3873	/* Inform the VRDP server that the current display update sequence is
3874	* completed. At this moment the framebuffer memory contains a definite
3875	* image, that is synchronized with the orders already sent to VRDP client.
3876	* The server can now process redraw requests from clients or initial
3877	* fullscreen updates for new clients.
3878	*/
3879	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
3880	{
3881	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
3882
3883	if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
3884	{
3885	Assert (pDisplay->mParent && pDisplay->mParent->consoleVRDPServer());
3886	pDisplay->mParent->consoleVRDPServer()->SendUpdate (uScreenId, NULL, 0);
3887	}
3888	}
3889	}
3890	}
3891
3892	#ifdef VBOX_WITH_VPX
3893	if (VideoRecIsEnabled(pDisplay->mpVideoRecCtx))
3894	{
3895	do {
3896	# if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
3897	BOOL is3denabled;
3898	pDisplay->mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
3899	if (is3denabled)
3900	{
3901	if (ASMAtomicCmpXchgU32(&pDisplay->mfCrOglVideoRecState, CRVREC_STATE_SUBMITTED, CRVREC_STATE_IDLE))
3902	{
3903	if (pDisplay->mCrOglCallbacks.pfnHasData())
3904	{
3905	/* submit */
3906	VBOXCRCMDCTL_HGCM *pData = &pDisplay->mCrOglScreenshotCtl;
3907
3908	pData->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
3909	pData->Hdr.u32Function = SHCRGL_HOST_FN_TAKE_SCREENSHOT;
3910
3911	pData->aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
3912	pData->aParms[0].u.pointer.addr = &pDisplay->mCrOglScreenshotData;
3913	pData->aParms[0].u.pointer.size = sizeof (pDisplay->mCrOglScreenshotData);
3914	int rc = pDisplay->crCtlSubmit(&pData->Hdr, sizeof (*pData), displayCrCmdFree, pData);
3915	if (!RT_SUCCESS(rc))
3916	AssertMsgFailed(("crCtlSubmit failed rc %n", rc));
3917	}
3918
3919	/* no 3D data available, or error has occured,
3920	* go the straight way */
3921	ASMAtomicWriteU32(&pDisplay->mfCrOglVideoRecState, CRVREC_STATE_IDLE);
3922	}
3923	else
3924	{
3925	/* record request is still in progress, don't do anything */
3926	break;
3927	}
3928	}
3929	# endif /* VBOX_WITH_HGCM && VBOX_WITH_CROGL */
3930
3931	uint64_t u64Now = RTTimeProgramMilliTS();
3932	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
3933	{
3934	if (!pDisplay->maVideoRecEnabled[uScreenId])
3935	continue;
3936
3937	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
3938
3939	if ( !pFBInfo->pFramebuffer.isNull()
3940	&& !pFBInfo->fDisabled
3941	&& pFBInfo->u32ResizeStatus == ResizeStatus_Void)
3942	{
3943	int rc;
3944	if ( pFBInfo->fVBVAEnabled
3945	&& pFBInfo->pu8FramebufferVRAM)
3946	{
3947	rc = VideoRecCopyToIntBuf(pDisplay->mpVideoRecCtx, uScreenId, 0, 0,
3948	FramebufferPixelFormat_FOURCC_RGB,
3949	pFBInfo->u16BitsPerPixel,
3950	pFBInfo->u32LineSize, pFBInfo->w, pFBInfo->h,
3951	pFBInfo->pu8FramebufferVRAM, u64Now);
3952	}
3953	else
3954	{
3955	rc = VideoRecCopyToIntBuf(pDisplay->mpVideoRecCtx, uScreenId, 0, 0,
3956	FramebufferPixelFormat_FOURCC_RGB,
3957	pDrv->IConnector.cBits,
3958	pDrv->IConnector.cbScanline, pDrv->IConnector.cx,
3959	pDrv->IConnector.cy, pDrv->IConnector.pu8Data, u64Now);
3960	}
3961	if (rc == VINF_TRY_AGAIN)
3962	break;
3963	}
3964	}
3965	} while (0);
3966	}
3967	#endif /* VBOX_WITH_VPX */
3968
3969	#ifdef DEBUG_sunlover
3970	STAM_PROFILE_STOP(&g_StatDisplayRefresh, a);
3971	#endif /* DEBUG_sunlover */
3972	#ifdef DEBUG_sunlover_2
3973	LogFlowFunc(("leave\n"));
3974	#endif /* DEBUG_sunlover_2 */
3975	}
3976
3977	/**
3978	* Reset notification
3979	*
3980	* @see PDMIDISPLAYCONNECTOR::pfnReset
3981	*/
3982	DECLCALLBACK(void) Display::displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface)
3983	{
3984	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3985
3986	LogRelFlowFunc(("\n"));
3987
3988	/* Disable VBVA mode. */
3989	pDrv->pDisplay->VideoAccelEnable (false, NULL);
3990	}
3991
3992	/**
3993	* LFBModeChange notification
3994	*
3995	* @see PDMIDISPLAYCONNECTOR::pfnLFBModeChange
3996	*/
3997	DECLCALLBACK(void) Display::displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled)
3998	{
3999	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4000
4001	LogRelFlowFunc(("fEnabled=%d\n", fEnabled));
4002
4003	NOREF(fEnabled);
4004
4005	/* Disable VBVA mode in any case. The guest driver reenables VBVA mode if necessary. */
4006	/* The LFBModeChange function is called under DevVGA lock. Postpone disabling VBVA, do it in the refresh timer. */
4007	ASMAtomicWriteU32(&pDrv->pDisplay->mfu32PendingVideoAccelDisable, true);
4008	}
4009
4010	/**
4011	* Adapter information change notification.
4012	*
4013	* @see PDMIDISPLAYCONNECTOR::pfnProcessAdapterData
4014	*/
4015	DECLCALLBACK(void) Display::displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, uint32_t u32VRAMSize)
4016	{
4017	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4018
4019	if (pvVRAM == NULL)
4020	{
4021	unsigned i;
4022	for (i = 0; i < pDrv->pDisplay->mcMonitors; i++)
4023	{
4024	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[i];
4025
4026	pFBInfo->u32Offset = 0;
4027	pFBInfo->u32MaxFramebufferSize = 0;
4028	pFBInfo->u32InformationSize = 0;
4029	}
4030	}
4031	#ifndef VBOX_WITH_HGSMI
4032	else
4033	{
4034	uint8_t pu8 = (uint8_t )pvVRAM;
4035	pu8 += u32VRAMSize - VBOX_VIDEO_ADAPTER_INFORMATION_SIZE;
4036
4037	// @todo
4038	uint8_t *pu8End = pu8 + VBOX_VIDEO_ADAPTER_INFORMATION_SIZE;
4039
4040	VBOXVIDEOINFOHDR *pHdr;
4041
4042	for (;;)
4043	{
4044	pHdr = (VBOXVIDEOINFOHDR *)pu8;
4045	pu8 += sizeof (VBOXVIDEOINFOHDR);
4046
4047	if (pu8 >= pu8End)
4048	{
4049	LogRel(("VBoxVideo: Guest adapter information overflow!!!\n"));
4050	break;
4051	}
4052
4053	if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_DISPLAY)
4054	{
4055	if (pHdr->u16Length != sizeof (VBOXVIDEOINFODISPLAY))
4056	{
4057	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "DISPLAY", pHdr->u16Length));
4058	break;
4059	}
4060
4061	VBOXVIDEOINFODISPLAY pDisplay = (VBOXVIDEOINFODISPLAY )pu8;
4062
4063	if (pDisplay->u32Index >= pDrv->pDisplay->mcMonitors)
4064	{
4065	LogRel(("VBoxVideo: Guest adapter information invalid display index %d!!!\n", pDisplay->u32Index));
4066	break;
4067	}
4068
4069	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[pDisplay->u32Index];
4070
4071	pFBInfo->u32Offset = pDisplay->u32Offset;
4072	pFBInfo->u32MaxFramebufferSize = pDisplay->u32FramebufferSize;
4073	pFBInfo->u32InformationSize = pDisplay->u32InformationSize;
4074
4075	LogRelFlow(("VBOX_VIDEO_INFO_TYPE_DISPLAY: %d: at 0x%08X, size 0x%08X, info 0x%08X\n", pDisplay->u32Index, pDisplay->u32Offset, pDisplay->u32FramebufferSize, pDisplay->u32InformationSize));
4076	}
4077	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_QUERY_CONF32)
4078	{
4079	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOQUERYCONF32))
4080	{
4081	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "CONF32", pHdr->u16Length));
4082	break;
4083	}
4084
4085	VBOXVIDEOINFOQUERYCONF32 pConf32 = (VBOXVIDEOINFOQUERYCONF32 )pu8;
4086
4087	switch (pConf32->u32Index)
4088	{
4089	case VBOX_VIDEO_QCI32_MONITOR_COUNT:
4090	{
4091	pConf32->u32Value = pDrv->pDisplay->mcMonitors;
4092	} break;
4093
4094	case VBOX_VIDEO_QCI32_OFFSCREEN_HEAP_SIZE:
4095	{
4096	/* @todo make configurable. */
4097	pConf32->u32Value = _1M;
4098	} break;
4099
4100	default:
4101	LogRel(("VBoxVideo: CONF32 %d not supported!!! Skipping.\n", pConf32->u32Index));
4102	}
4103	}
4104	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
4105	{
4106	if (pHdr->u16Length != 0)
4107	{
4108	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
4109	break;
4110	}
4111
4112	break;
4113	}
4114	else if (pHdr->u8Type != VBOX_VIDEO_INFO_TYPE_NV_HEAP) /** @todo why is Additions/WINNT/Graphics/Miniport/VBoxVideo.cpp pushing this to us? */
4115	{
4116	LogRel(("Guest adapter information contains unsupported type %d. The block has been skipped.\n", pHdr->u8Type));
4117	}
4118
4119	pu8 += pHdr->u16Length;
4120	}
4121	}
4122	#endif /* !VBOX_WITH_HGSMI */
4123	}
4124
4125	/**
4126	* Display information change notification.
4127	*
4128	* @see PDMIDISPLAYCONNECTOR::pfnProcessDisplayData
4129	*/
4130	DECLCALLBACK(void) Display::displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, unsigned uScreenId)
4131	{
4132	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4133
4134	if (uScreenId >= pDrv->pDisplay->mcMonitors)
4135	{
4136	LogRel(("VBoxVideo: Guest display information invalid display index %d!!!\n", uScreenId));
4137	return;
4138	}
4139
4140	/* Get the display information structure. */
4141	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[uScreenId];
4142
4143	uint8_t pu8 = (uint8_t )pvVRAM;
4144	pu8 += pFBInfo->u32Offset + pFBInfo->u32MaxFramebufferSize;
4145
4146	// @todo
4147	uint8_t *pu8End = pu8 + pFBInfo->u32InformationSize;
4148
4149	VBOXVIDEOINFOHDR *pHdr;
4150
4151	for (;;)
4152	{
4153	pHdr = (VBOXVIDEOINFOHDR *)pu8;
4154	pu8 += sizeof (VBOXVIDEOINFOHDR);
4155
4156	if (pu8 >= pu8End)
4157	{
4158	LogRel(("VBoxVideo: Guest display information overflow!!!\n"));
4159	break;
4160	}
4161
4162	if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_SCREEN)
4163	{
4164	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOSCREEN))
4165	{
4166	LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "SCREEN", pHdr->u16Length));
4167	break;
4168	}
4169
4170	VBOXVIDEOINFOSCREEN pScreen = (VBOXVIDEOINFOSCREEN )pu8;
4171
4172	pFBInfo->xOrigin = pScreen->xOrigin;
4173	pFBInfo->yOrigin = pScreen->yOrigin;
4174
4175	pFBInfo->w = pScreen->u16Width;
4176	pFBInfo->h = pScreen->u16Height;
4177
4178	LogRelFlow(("VBOX_VIDEO_INFO_TYPE_SCREEN: (%p) %d: at %d,%d, linesize 0x%X, size %dx%d, bpp %d, flags 0x%02X\n",
4179	pHdr, uScreenId, pScreen->xOrigin, pScreen->yOrigin, pScreen->u32LineSize, pScreen->u16Width, pScreen->u16Height, pScreen->bitsPerPixel, pScreen->u8Flags));
4180
4181	if (uScreenId != VBOX_VIDEO_PRIMARY_SCREEN)
4182	{
4183	/* Primary screen resize is eeeeeeeee by the VGA device. */
4184	if (pFBInfo->fDisabled)
4185	{
4186	pFBInfo->fDisabled = false;
4187	fireGuestMonitorChangedEvent(pDrv->pDisplay->mParent->getEventSource(),
4188	GuestMonitorChangedEventType_Enabled,
4189	uScreenId,
4190	pFBInfo->xOrigin, pFBInfo->yOrigin,
4191	pFBInfo->w, pFBInfo->h);
4192	}
4193
4194	pDrv->pDisplay->handleDisplayResize(uScreenId, pScreen->bitsPerPixel, (uint8_t *)pvVRAM + pFBInfo->u32Offset, pScreen->u32LineSize, pScreen->u16Width, pScreen->u16Height, VBVA_SCREEN_F_ACTIVE);
4195	}
4196	}
4197	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
4198	{
4199	if (pHdr->u16Length != 0)
4200	{
4201	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
4202	break;
4203	}
4204
4205	break;
4206	}
4207	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_HOST_EVENTS)
4208	{
4209	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOHOSTEVENTS))
4210	{
4211	LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "HOST_EVENTS", pHdr->u16Length));
4212	break;
4213	}
4214
4215	VBOXVIDEOINFOHOSTEVENTS pHostEvents = (VBOXVIDEOINFOHOSTEVENTS )pu8;
4216
4217	pFBInfo->pHostEvents = pHostEvents;
4218
4219	LogFlow(("VBOX_VIDEO_INFO_TYPE_HOSTEVENTS: (%p)\n",
4220	pHostEvents));
4221	}
4222	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_LINK)
4223	{
4224	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOLINK))
4225	{
4226	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "LINK", pHdr->u16Length));
4227	break;
4228	}
4229
4230	VBOXVIDEOINFOLINK pLink = (VBOXVIDEOINFOLINK )pu8;
4231	pu8 += pLink->i32Offset;
4232	}
4233	else
4234	{
4235	LogRel(("Guest display information contains unsupported type %d\n", pHdr->u8Type));
4236	}
4237
4238	pu8 += pHdr->u16Length;
4239	}
4240	}
4241
4242	#ifdef VBOX_WITH_VIDEOHWACCEL
4243
4244	#ifndef S_FALSE
4245	# define S_FALSE ((HRESULT)1L)
4246	#endif
4247
4248	int Display::handleVHWACommandProcess(PVBOXVHWACMD pCommand)
4249	{
4250	unsigned id = (unsigned)pCommand->iDisplay;
4251	int rc = VINF_SUCCESS;
4252	if (id >= mcMonitors)
4253	return VERR_INVALID_PARAMETER;
4254
4255	ComPtr<IFramebuffer> pFramebuffer;
4256	AutoReadLock arlock(this COMMA_LOCKVAL_SRC_POS);
4257	pFramebuffer = maFramebuffers[id].pFramebuffer;
4258	arlock.release();
4259
4260	if (pFramebuffer == NULL)
4261	return VERR_INVALID_STATE; /* notify we can not handle request atm */
4262
4263	HRESULT hr = pFramebuffer->ProcessVHWACommand((BYTE*)pCommand);
4264	if (hr == S_FALSE)
4265	return VINF_SUCCESS;
4266	else if (SUCCEEDED(hr))
4267	return VINF_CALLBACK_RETURN;
4268	else if (hr == E_ACCESSDENIED)
4269	return VERR_INVALID_STATE; /* notify we can not handle request atm */
4270	else if (hr == E_NOTIMPL)
4271	return VERR_NOT_IMPLEMENTED;
4272	return VERR_GENERAL_FAILURE;
4273	}
4274
4275	DECLCALLBACK(int) Display::displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand)
4276	{
4277	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4278
4279	return pDrv->pDisplay->handleVHWACommandProcess(pCommand);
4280	}
4281	#endif
4282
4283	#ifdef VBOX_WITH_CRHGSMI
4284	void Display::handleCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam)
4285	{
4286	mpDrv->pVBVACallbacks->pfnCrHgsmiCommandCompleteAsync(mpDrv->pVBVACallbacks, (PVBOXVDMACMD_CHROMIUM_CMD)pParam->u.pointer.addr, result);
4287	}
4288
4289	void Display::handleCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam)
4290	{
4291	PVBOXVDMACMD_CHROMIUM_CTL pCtl = (PVBOXVDMACMD_CHROMIUM_CTL)pParam->u.pointer.addr;
4292	mpDrv->pVBVACallbacks->pfnCrHgsmiControlCompleteAsync(mpDrv->pVBVACallbacks, pCtl, result);
4293	}
4294
4295	void Display::handleCrHgsmiCommandProcess(PVBOXVDMACMD_CHROMIUM_CMD pCmd, uint32_t cbCmd)
4296	{
4297	int rc = VERR_NOT_SUPPORTED;
4298	VBOXHGCMSVCPARM parm;
4299	parm.type = VBOX_HGCM_SVC_PARM_PTR;
4300	parm.u.pointer.addr = pCmd;
4301	parm.u.pointer.size = cbCmd;
4302
4303	if (mhCrOglSvc)
4304	{
4305	VMMDev *pVMMDev = mParent->getVMMDev();
4306	if (pVMMDev)
4307	{
4308	/* no completion callback is specified with this call,
4309	* the CrOgl code will complete the CrHgsmi command once it processes it */
4310	rc = pVMMDev->hgcmHostFastCallAsync(mhCrOglSvc, SHCRGL_HOST_FN_CRHGSMI_CMD, &parm, NULL, NULL);
4311	AssertRC(rc);
4312	if (RT_SUCCESS(rc))
4313	return;
4314	}
4315	else
4316	rc = VERR_INVALID_STATE;
4317	}
4318
4319	/* we are here because something went wrong with command processing, complete it */
4320	handleCrHgsmiCommandCompletion(rc, SHCRGL_HOST_FN_CRHGSMI_CMD, &parm);
4321	}
4322
4323	void Display::handleCrHgsmiControlProcess(PVBOXVDMACMD_CHROMIUM_CTL pCtl, uint32_t cbCtl)
4324	{
4325	int rc = VERR_NOT_SUPPORTED;
4326	VBOXHGCMSVCPARM parm;
4327	parm.type = VBOX_HGCM_SVC_PARM_PTR;
4328	parm.u.pointer.addr = pCtl;
4329	parm.u.pointer.size = cbCtl;
4330
4331	if (mhCrOglSvc)
4332	{
4333	VMMDev *pVMMDev = mParent->getVMMDev();
4334	if (pVMMDev)
4335	{
4336	bool fCheckPendingViewport = (pCtl->enmType == VBOXVDMACMD_CHROMIUM_CTL_TYPE_CRHGSMI_SETUP);
4337	rc = pVMMDev->hgcmHostFastCallAsync(mhCrOglSvc, SHCRGL_HOST_FN_CRHGSMI_CTL, &parm, Display::displayCrHgsmiControlCompletion, this);
4338	AssertRC(rc);
4339	if (RT_SUCCESS(rc))
4340	{
4341	if (fCheckPendingViewport)
4342	{
4343	ULONG ul;
4344	for (ul = 0; ul < mcMonitors; ul++)
4345	{
4346	DISPLAYFBINFO *pFb = &maFramebuffers[ul];
4347	if (!pFb->pendingViewportInfo.fPending)
4348	continue;
4349
4350	crViewportNotify(pVMMDev, ul, pFb->pendingViewportInfo.x, pFb->pendingViewportInfo.y, pFb->pendingViewportInfo.width, pFb->pendingViewportInfo.height);
4351	pFb->pendingViewportInfo.fPending = false;
4352	}
4353	}
4354	return;
4355	}
4356	}
4357	else
4358	rc = VERR_INVALID_STATE;
4359	}
4360
4361	/* we are here because something went wrong with command processing, complete it */
4362	handleCrHgsmiControlCompletion(rc, SHCRGL_HOST_FN_CRHGSMI_CTL, &parm);
4363	}
4364
4365	DECLCALLBACK(void) Display::displayCrHgsmiCommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CMD pCmd, uint32_t cbCmd)
4366	{
4367	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4368
4369	pDrv->pDisplay->handleCrHgsmiCommandProcess(pCmd, cbCmd);
4370	}
4371
4372	DECLCALLBACK(void) Display::displayCrHgsmiControlProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CTL pCmd, uint32_t cbCmd)
4373	{
4374	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4375
4376	pDrv->pDisplay->handleCrHgsmiControlProcess(pCmd, cbCmd);
4377	}
4378
4379	DECLCALLBACK(void) Display::displayCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam, void *pvContext)
4380	{
4381	AssertMsgFailed(("not expected!"));
4382	Display pDisplay = (Display )pvContext;
4383	pDisplay->handleCrHgsmiCommandCompletion(result, u32Function, pParam);
4384	}
4385
4386	DECLCALLBACK(void) Display::displayCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam, void *pvContext)
4387	{
4388	Display pDisplay = (Display )pvContext;
4389	pDisplay->handleCrHgsmiControlCompletion(result, u32Function, pParam);
4390
4391	}
4392	#endif
4393
4394	DECLCALLBACK(void) Display::displayCrHgcmCtlSubmitCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam, void *pvContext)
4395	{
4396	VBOXCRCMDCTL pCmd = (VBOXCRCMDCTL)pParam->u.pointer.addr;
4397	if (pCmd->u.pfnInternal)
4398	((PFNCRCTLCOMPLETION)pCmd->u.pfnInternal)(pCmd, pParam->u.pointer.size, result, pvContext);
4399	}
4400
4401	int Display::handleCrHgcmCtlSubmit(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd,
4402	PFNCRCTLCOMPLETION pfnCompletion,
4403	void *pvCompletion)
4404	{
4405	VMMDev *pVMMDev = mParent->getVMMDev();
4406	if (!pVMMDev)
4407	{
4408	AssertMsgFailed(("no vmmdev\n"));
4409	return VERR_INVALID_STATE;
4410	}
4411
4412	Assert(mhCrOglSvc);
4413	VBOXHGCMSVCPARM parm;
4414	parm.type = VBOX_HGCM_SVC_PARM_PTR;
4415	parm.u.pointer.addr = pCmd;
4416	parm.u.pointer.size = cbCmd;
4417
4418	pCmd->u.pfnInternal = (void(*)())pfnCompletion;
4419	int rc = pVMMDev->hgcmHostFastCallAsync(mhCrOglSvc, SHCRGL_HOST_FN_CTL, &parm, displayCrHgcmCtlSubmitCompletion, pvCompletion);
4420	if (!RT_SUCCESS(rc))
4421	AssertMsgFailed(("hgcmHostFastCallAsync failed rc %n", rc));
4422
4423	return rc;
4424	}
4425
4426	DECLCALLBACK(int) Display::displayCrHgcmCtlSubmit(PPDMIDISPLAYCONNECTOR pInterface,
4427	struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd,
4428	PFNCRCTLCOMPLETION pfnCompletion,
4429	void *pvCompletion)
4430	{
4431	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4432	Display *pThis = pDrv->pDisplay;
4433	return pThis->handleCrHgcmCtlSubmit(pCmd, cbCmd, pfnCompletion, pvCompletion);
4434	}
4435
4436	int Display::crCtlSubmit(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd, PFNCRCTLCOMPLETION pfnCompletion, void *pvCompletion)
4437	{
4438	return mpDrv->pVBVACallbacks->pfnCrCtlSubmit(mpDrv->pVBVACallbacks, pCmd, cbCmd, pfnCompletion, pvCompletion);
4439	}
4440
4441	int Display::crCtlSubmitSync(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd)
4442	{
4443	return mpDrv->pVBVACallbacks->pfnCrCtlSubmitSync(mpDrv->pVBVACallbacks, pCmd, cbCmd);
4444	}
4445
4446	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
4447	bool Display::handleCrVRecScreenshotBegin(uint32_t uScreen, uint64_t u64TimeStamp)
4448	{
4449	# if VBOX_WITH_VPX
4450	return VideoRecIsReady(mpVideoRecCtx, uScreen, u64TimeStamp);
4451	# else
4452	return false;
4453	# endif
4454	}
4455
4456	void Display::handleCrVRecScreenshotEnd(uint32_t uScreen, uint64_t u64TimeStamp)
4457	{
4458	}
4459
4460	void Display::handleCrVRecScreenshotPerform(uint32_t uScreen,
4461	uint32_t x, uint32_t y, uint32_t uPixelFormat,
4462	uint32_t uBitsPerPixel, uint32_t uBytesPerLine,
4463	uint32_t uGuestWidth, uint32_t uGuestHeight,
4464	uint8_t *pu8BufferAddress, uint64_t u64TimeStamp)
4465	{
4466	Assert(mfCrOglVideoRecState == CRVREC_STATE_SUBMITTED);
4467	# if VBOX_WITH_VPX
4468	int rc = VideoRecCopyToIntBuf(mpVideoRecCtx, uScreen, x, y,
4469	uPixelFormat,
4470	uBitsPerPixel, uBytesPerLine,
4471	uGuestWidth, uGuestHeight,
4472	pu8BufferAddress, u64TimeStamp);
4473	Assert(rc == VINF_SUCCESS /* \|\| rc == VERR_TRY_AGAIN \|\| rc == VINF_TRY_AGAIN*/);
4474	# endif
4475	}
4476
4477	void Display::handleVRecCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam, void *pvContext)
4478	{
4479	Assert(mfCrOglVideoRecState == CRVREC_STATE_SUBMITTED);
4480	ASMAtomicWriteU32(&mfCrOglVideoRecState, CRVREC_STATE_IDLE);
4481	}
4482
4483	DECLCALLBACK(void) Display::displayCrVRecScreenshotPerform(void *pvCtx, uint32_t uScreen,
4484	uint32_t x, uint32_t y,
4485	uint32_t uBitsPerPixel, uint32_t uBytesPerLine,
4486	uint32_t uGuestWidth, uint32_t uGuestHeight,
4487	uint8_t *pu8BufferAddress, uint64_t u64TimeStamp)
4488	{
4489	Display pDisplay = (Display )pvCtx;
4490	pDisplay->handleCrVRecScreenshotPerform(uScreen,
4491	x, y, FramebufferPixelFormat_FOURCC_RGB, uBitsPerPixel,
4492	uBytesPerLine, uGuestWidth, uGuestHeight,
4493	pu8BufferAddress, u64TimeStamp);
4494	}
4495
4496	DECLCALLBACK(bool) Display::displayCrVRecScreenshotBegin(void *pvCtx, uint32_t uScreen, uint64_t u64TimeStamp)
4497	{
4498	Display pDisplay = (Display )pvCtx;
4499	return pDisplay->handleCrVRecScreenshotBegin(uScreen, u64TimeStamp);
4500	}
4501
4502	DECLCALLBACK(void) Display::displayCrVRecScreenshotEnd(void *pvCtx, uint32_t uScreen, uint64_t u64TimeStamp)
4503	{
4504	Display pDisplay = (Display )pvCtx;
4505	pDisplay->handleCrVRecScreenshotEnd(uScreen, u64TimeStamp);
4506	}
4507
4508	DECLCALLBACK(void) Display::displayVRecCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam, void *pvContext)
4509	{
4510	Display pDisplay = (Display )pvContext;
4511	pDisplay->handleVRecCompletion(result, u32Function, pParam, pvContext);
4512	}
4513
4514	#endif
4515
4516
4517	#ifdef VBOX_WITH_HGSMI
4518	DECLCALLBACK(int) Display::displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, PVBVAHOSTFLAGS pHostFlags)
4519	{
4520	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
4521
4522	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4523	Display *pThis = pDrv->pDisplay;
4524
4525	pThis->maFramebuffers[uScreenId].fVBVAEnabled = true;
4526	pThis->maFramebuffers[uScreenId].pVBVAHostFlags = pHostFlags;
4527	pThis->maFramebuffers[uScreenId].fVBVAForceResize = true;
4528
4529	vbvaSetMemoryFlagsHGSMI(uScreenId, pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, &pThis->maFramebuffers[uScreenId]);
4530
4531	return VINF_SUCCESS;
4532	}
4533
4534	DECLCALLBACK(void) Display::displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
4535	{
4536	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
4537
4538	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4539	Display *pThis = pDrv->pDisplay;
4540
4541	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
4542
4543	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
4544	{
4545	/* Make sure that the primary screen is visible now.
4546	* The guest can't use VBVA anymore, so only only the VGA device output works.
4547	*/
4548	if (pFBInfo->fDisabled)
4549	{
4550	pFBInfo->fDisabled = false;
4551	fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
4552	GuestMonitorChangedEventType_Enabled,
4553	uScreenId,
4554	pFBInfo->xOrigin, pFBInfo->yOrigin,
4555	pFBInfo->w, pFBInfo->h);
4556	}
4557	}
4558
4559	pFBInfo->fVBVAEnabled = false;
4560	pFBInfo->fVBVAForceResize = false;
4561
4562	vbvaSetMemoryFlagsHGSMI(uScreenId, 0, false, pFBInfo);
4563
4564	pFBInfo->pVBVAHostFlags = NULL;
4565	}
4566
4567	DECLCALLBACK(void) Display::displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
4568	{
4569	LogFlowFunc(("uScreenId %d\n", uScreenId));
4570
4571	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4572	Display *pThis = pDrv->pDisplay;
4573	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
4574
4575	if (ASMAtomicReadU32(&pThis->mu32UpdateVBVAFlags) > 0)
4576	{
4577	vbvaSetMemoryFlagsAllHGSMI(pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, pThis->maFramebuffers, pThis->mcMonitors);
4578	ASMAtomicDecU32(&pThis->mu32UpdateVBVAFlags);
4579	}
4580
4581	if (RT_LIKELY(pFBInfo->u32ResizeStatus == ResizeStatus_Void))
4582	{
4583	if (RT_UNLIKELY(pFBInfo->cVBVASkipUpdate != 0))
4584	{
4585	/* Some updates were skipped. Note: displayVBVAUpdate* callbacks are called
4586	* under display device lock, so thread safe.
4587	*/
4588	pFBInfo->cVBVASkipUpdate = 0;
4589	pThis->handleDisplayUpdate(uScreenId, pFBInfo->vbvaSkippedRect.xLeft - pFBInfo->xOrigin,
4590	pFBInfo->vbvaSkippedRect.yTop - pFBInfo->yOrigin,
4591	pFBInfo->vbvaSkippedRect.xRight - pFBInfo->vbvaSkippedRect.xLeft,
4592	pFBInfo->vbvaSkippedRect.yBottom - pFBInfo->vbvaSkippedRect.yTop);
4593	}
4594	}
4595	else
4596	{
4597	/* The framebuffer is being resized. */
4598	pFBInfo->cVBVASkipUpdate++;
4599	}
4600	}
4601
4602	DECLCALLBACK(void) Display::displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, const PVBVACMDHDR pCmd, size_t cbCmd)
4603	{
4604	LogFlowFunc(("uScreenId %d pCmd %p cbCmd %d, @%d,%d %dx%d\n", uScreenId, pCmd, cbCmd, pCmd->x, pCmd->y, pCmd->w, pCmd->h));
4605
4606	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4607	Display *pThis = pDrv->pDisplay;
4608	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
4609
4610	if (RT_LIKELY(pFBInfo->cVBVASkipUpdate == 0))
4611	{
4612	if (pFBInfo->fDefaultFormat)
4613	{
4614	/* Make sure that framebuffer contains the same image as the guest VRAM. */
4615	if ( uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
4616	&& !pFBInfo->pFramebuffer.isNull()
4617	&& !pFBInfo->fDisabled)
4618	{
4619	pDrv->pUpPort->pfnUpdateDisplayRect (pDrv->pUpPort, pCmd->x, pCmd->y, pCmd->w, pCmd->h);
4620	}
4621	else if ( !pFBInfo->pFramebuffer.isNull()
4622	&& !pFBInfo->fDisabled)
4623	{
4624	/* Render VRAM content to the framebuffer. */
4625	BYTE *address = NULL;
4626	HRESULT hrc = pFBInfo->pFramebuffer->COMGETTER(Address) (&address);
4627	if (SUCCEEDED(hrc) && address != NULL)
4628	{
4629	uint32_t width = pCmd->w;
4630	uint32_t height = pCmd->h;
4631
4632	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
4633	int32_t xSrc = pCmd->x - pFBInfo->xOrigin;
4634	int32_t ySrc = pCmd->y - pFBInfo->yOrigin;
4635	uint32_t u32SrcWidth = pFBInfo->w;
4636	uint32_t u32SrcHeight = pFBInfo->h;
4637	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
4638	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
4639
4640	uint8_t *pu8Dst = address;
4641	int32_t xDst = xSrc;
4642	int32_t yDst = ySrc;
4643	uint32_t u32DstWidth = u32SrcWidth;
4644	uint32_t u32DstHeight = u32SrcHeight;
4645	uint32_t u32DstLineSize = u32DstWidth * 4;
4646	uint32_t u32DstBitsPerPixel = 32;
4647
4648	pDrv->pUpPort->pfnCopyRect(pDrv->pUpPort,
4649	width, height,
4650	pu8Src,
4651	xSrc, ySrc,
4652	u32SrcWidth, u32SrcHeight,
4653	u32SrcLineSize, u32SrcBitsPerPixel,
4654	pu8Dst,
4655	xDst, yDst,
4656	u32DstWidth, u32DstHeight,
4657	u32DstLineSize, u32DstBitsPerPixel);
4658	}
4659	}
4660	}
4661
4662	VBVACMDHDR hdrSaved = *pCmd;
4663
4664	VBVACMDHDR pHdrUnconst = (VBVACMDHDR )pCmd;
4665
4666	pHdrUnconst->x -= (int16_t)pFBInfo->xOrigin;
4667	pHdrUnconst->y -= (int16_t)pFBInfo->yOrigin;
4668
4669	/* @todo new SendUpdate entry which can get a separate cmd header or coords. */
4670	pThis->mParent->consoleVRDPServer()->SendUpdate (uScreenId, pCmd, (uint32_t)cbCmd);
4671
4672	*pHdrUnconst = hdrSaved;
4673	}
4674	}
4675
4676	DECLCALLBACK(void) Display::displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y, uint32_t cx, uint32_t cy)
4677	{
4678	LogFlowFunc(("uScreenId %d %d,%d %dx%d\n", uScreenId, x, y, cx, cy));
4679
4680	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4681	Display *pThis = pDrv->pDisplay;
4682	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
4683
4684	/* @todo handleFramebufferUpdate (uScreenId,
4685	* x - pThis->maFramebuffers[uScreenId].xOrigin,
4686	* y - pThis->maFramebuffers[uScreenId].yOrigin,
4687	* cx, cy);
4688	*/
4689	if (RT_LIKELY(pFBInfo->cVBVASkipUpdate == 0))
4690	{
4691	pThis->handleDisplayUpdate(uScreenId, x - pFBInfo->xOrigin, y - pFBInfo->yOrigin, cx, cy);
4692	}
4693	else
4694	{
4695	/* Save the updated rectangle. */
4696	int32_t xRight = x + cx;
4697	int32_t yBottom = y + cy;
4698
4699	if (pFBInfo->cVBVASkipUpdate == 1)
4700	{
4701	pFBInfo->vbvaSkippedRect.xLeft = x;
4702	pFBInfo->vbvaSkippedRect.yTop = y;
4703	pFBInfo->vbvaSkippedRect.xRight = xRight;
4704	pFBInfo->vbvaSkippedRect.yBottom = yBottom;
4705	}
4706	else
4707	{
4708	if (pFBInfo->vbvaSkippedRect.xLeft > x)
4709	{
4710	pFBInfo->vbvaSkippedRect.xLeft = x;
4711	}
4712	if (pFBInfo->vbvaSkippedRect.yTop > y)
4713	{
4714	pFBInfo->vbvaSkippedRect.yTop = y;
4715	}
4716	if (pFBInfo->vbvaSkippedRect.xRight < xRight)
4717	{
4718	pFBInfo->vbvaSkippedRect.xRight = xRight;
4719	}
4720	if (pFBInfo->vbvaSkippedRect.yBottom < yBottom)
4721	{
4722	pFBInfo->vbvaSkippedRect.yBottom = yBottom;
4723	}
4724	}
4725	}
4726	}
4727
4728	#ifdef DEBUG_sunlover
4729	static void logVBVAResize(const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, const DISPLAYFBINFO *pFBInfo)
4730	{
4731	LogRel(("displayVBVAResize: [%d] %s\n"
4732	" pView->u32ViewIndex %d\n"
4733	" pView->u32ViewOffset 0x%08X\n"
4734	" pView->u32ViewSize 0x%08X\n"
4735	" pView->u32MaxScreenSize 0x%08X\n"
4736	" pScreen->i32OriginX %d\n"
4737	" pScreen->i32OriginY %d\n"
4738	" pScreen->u32StartOffset 0x%08X\n"
4739	" pScreen->u32LineSize 0x%08X\n"
4740	" pScreen->u32Width %d\n"
4741	" pScreen->u32Height %d\n"
4742	" pScreen->u16BitsPerPixel %d\n"
4743	" pScreen->u16Flags 0x%04X\n"
4744	" pFBInfo->u32Offset 0x%08X\n"
4745	" pFBInfo->u32MaxFramebufferSize 0x%08X\n"
4746	" pFBInfo->u32InformationSize 0x%08X\n"
4747	" pFBInfo->fDisabled %d\n"
4748	" xOrigin, yOrigin, w, h: %d,%d %dx%d\n"
4749	" pFBInfo->u16BitsPerPixel %d\n"
4750	" pFBInfo->pu8FramebufferVRAM %p\n"
4751	" pFBInfo->u32LineSize 0x%08X\n"
4752	" pFBInfo->flags 0x%04X\n"
4753	" pFBInfo->pHostEvents %p\n"
4754	" pFBInfo->u32ResizeStatus %d\n"
4755	" pFBInfo->fDefaultFormat %d\n"
4756	" dirtyRect %d-%d %d-%d\n"
4757	" pFBInfo->pendingResize.fPending %d\n"
4758	" pFBInfo->pendingResize.pixelFormat %d\n"
4759	" pFBInfo->pendingResize.pvVRAM %p\n"
4760	" pFBInfo->pendingResize.bpp %d\n"
4761	" pFBInfo->pendingResize.cbLine 0x%08X\n"
4762	" pFBInfo->pendingResize.w,h %dx%d\n"
4763	" pFBInfo->pendingResize.flags 0x%04X\n"
4764	" pFBInfo->fVBVAEnabled %d\n"
4765	" pFBInfo->fVBVAForceResize %d\n"
4766	" pFBInfo->cVBVASkipUpdate %d\n"
4767	" pFBInfo->vbvaSkippedRect %d-%d %d-%d\n"
4768	" pFBInfo->pVBVAHostFlags %p\n"
4769	"",
4770	pScreen->u32ViewIndex,
4771	(pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)? "DISABLED": "ENABLED",
4772	pView->u32ViewIndex,
4773	pView->u32ViewOffset,
4774	pView->u32ViewSize,
4775	pView->u32MaxScreenSize,
4776	pScreen->i32OriginX,
4777	pScreen->i32OriginY,
4778	pScreen->u32StartOffset,
4779	pScreen->u32LineSize,
4780	pScreen->u32Width,
4781	pScreen->u32Height,
4782	pScreen->u16BitsPerPixel,
4783	pScreen->u16Flags,
4784	pFBInfo->u32Offset,
4785	pFBInfo->u32MaxFramebufferSize,
4786	pFBInfo->u32InformationSize,
4787	pFBInfo->fDisabled,
4788	pFBInfo->xOrigin,
4789	pFBInfo->yOrigin,
4790	pFBInfo->w,
4791	pFBInfo->h,
4792	pFBInfo->u16BitsPerPixel,
4793	pFBInfo->pu8FramebufferVRAM,
4794	pFBInfo->u32LineSize,
4795	pFBInfo->flags,
4796	pFBInfo->pHostEvents,
4797	pFBInfo->u32ResizeStatus,
4798	pFBInfo->fDefaultFormat,
4799	pFBInfo->dirtyRect.xLeft,
4800	pFBInfo->dirtyRect.xRight,
4801	pFBInfo->dirtyRect.yTop,
4802	pFBInfo->dirtyRect.yBottom,
4803	pFBInfo->pendingResize.fPending,
4804	pFBInfo->pendingResize.pixelFormat,
4805	pFBInfo->pendingResize.pvVRAM,
4806	pFBInfo->pendingResize.bpp,
4807	pFBInfo->pendingResize.cbLine,
4808	pFBInfo->pendingResize.w,
4809	pFBInfo->pendingResize.h,
4810	pFBInfo->pendingResize.flags,
4811	pFBInfo->fVBVAEnabled,
4812	pFBInfo->fVBVAForceResize,
4813	pFBInfo->cVBVASkipUpdate,
4814	pFBInfo->vbvaSkippedRect.xLeft,
4815	pFBInfo->vbvaSkippedRect.yTop,
4816	pFBInfo->vbvaSkippedRect.xRight,
4817	pFBInfo->vbvaSkippedRect.yBottom,
4818	pFBInfo->pVBVAHostFlags
4819	));
4820	}
4821	#endif /* DEBUG_sunlover */
4822
4823	DECLCALLBACK(int) Display::displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, void *pvVRAM)
4824	{
4825	LogRelFlowFunc(("pScreen %p, pvVRAM %p\n", pScreen, pvVRAM));
4826
4827	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4828	Display *pThis = pDrv->pDisplay;
4829
4830	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[pScreen->u32ViewIndex];
4831
4832	if (pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)
4833	{
4834	pThis->notifyCroglResize(pView, pScreen, pvVRAM);
4835
4836	pFBInfo->fDisabled = true;
4837	pFBInfo->flags = pScreen->u16Flags;
4838
4839	/* Ask the framebuffer to resize using a default format. The framebuffer will be black.
4840	* So if the frontend does not support GuestMonitorChangedEventType_Disabled event,
4841	* the VM window will be black. */
4842	uint32_t u32Width = pFBInfo->w ? pFBInfo->w : 640;
4843	uint32_t u32Height = pFBInfo->h ? pFBInfo->h : 480;
4844	pThis->handleDisplayResize(pScreen->u32ViewIndex, 0, (uint8_t *)NULL, 0,
4845	u32Width, u32Height, pScreen->u16Flags);
4846
4847	fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
4848	GuestMonitorChangedEventType_Disabled,
4849	pScreen->u32ViewIndex,
4850	0, 0, 0, 0);
4851	return VINF_SUCCESS;
4852	}
4853
4854	/* If display was disabled or there is no framebuffer, a resize will be required,
4855	* because the framebuffer was/will be changed.
4856	*/
4857	bool fResize = pFBInfo->fDisabled \|\| pFBInfo->pFramebuffer.isNull();
4858
4859	if (pFBInfo->fVBVAForceResize)
4860	{
4861	/* VBVA was just enabled. Do the resize. */
4862	fResize = true;
4863	pFBInfo->fVBVAForceResize = false;
4864	}
4865
4866	/* Check if this is a real resize or a notification about the screen origin.
4867	* The guest uses this VBVAResize call for both.
4868	*/
4869	fResize = fResize
4870	\|\| pFBInfo->u16BitsPerPixel != pScreen->u16BitsPerPixel
4871	\|\| pFBInfo->pu8FramebufferVRAM != (uint8_t *)pvVRAM + pScreen->u32StartOffset
4872	\|\| pFBInfo->u32LineSize != pScreen->u32LineSize
4873	\|\| pFBInfo->w != pScreen->u32Width
4874	\|\| pFBInfo->h != pScreen->u32Height;
4875
4876	bool fNewOrigin = pFBInfo->xOrigin != pScreen->i32OriginX
4877	\|\| pFBInfo->yOrigin != pScreen->i32OriginY;
4878
4879	if (fNewOrigin \|\| fResize)
4880	pThis->notifyCroglResize(pView, pScreen, pvVRAM);
4881
4882	if (pFBInfo->fDisabled)
4883	{
4884	pFBInfo->fDisabled = false;
4885	fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
4886	GuestMonitorChangedEventType_Enabled,
4887	pScreen->u32ViewIndex,
4888	pScreen->i32OriginX, pScreen->i32OriginY,
4889	pScreen->u32Width, pScreen->u32Height);
4890	/* Continue to update pFBInfo. */
4891	}
4892
4893	pFBInfo->u32Offset = pView->u32ViewOffset; /* Not used in HGSMI. */
4894	pFBInfo->u32MaxFramebufferSize = pView->u32MaxScreenSize; /* Not used in HGSMI. */
4895	pFBInfo->u32InformationSize = 0; /* Not used in HGSMI. */
4896
4897	pFBInfo->xOrigin = pScreen->i32OriginX;
4898	pFBInfo->yOrigin = pScreen->i32OriginY;
4899
4900	pFBInfo->w = pScreen->u32Width;
4901	pFBInfo->h = pScreen->u32Height;
4902
4903	pFBInfo->u16BitsPerPixel = pScreen->u16BitsPerPixel;
4904	pFBInfo->pu8FramebufferVRAM = (uint8_t *)pvVRAM + pScreen->u32StartOffset;
4905	pFBInfo->u32LineSize = pScreen->u32LineSize;
4906
4907	pFBInfo->flags = pScreen->u16Flags;
4908
4909	if (fNewOrigin)
4910	{
4911	fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
4912	GuestMonitorChangedEventType_NewOrigin,
4913	pScreen->u32ViewIndex,
4914	pScreen->i32OriginX, pScreen->i32OriginY,
4915	0, 0);
4916	}
4917
4918	if (!fResize)
4919	{
4920	/* No parameters of the framebuffer have actually changed. */
4921	if (fNewOrigin)
4922	{
4923	/* VRDP server still need this notification. */
4924	LogRelFlowFunc(("Calling VRDP\n"));
4925	pThis->mParent->consoleVRDPServer()->SendResize();
4926	}
4927	return VINF_SUCCESS;
4928	}
4929
4930	if (pFBInfo->pFramebuffer.isNull())
4931	{
4932	/* If no framebuffer, the resize will be done later when a new framebuffer will be set in changeFramebuffer. */
4933	return VINF_SUCCESS;
4934	}
4935
4936	/* If the framebuffer already set for the screen, do a regular resize. */
4937	return pThis->handleDisplayResize(pScreen->u32ViewIndex, pScreen->u16BitsPerPixel,
4938	(uint8_t *)pvVRAM + pScreen->u32StartOffset,
4939	pScreen->u32LineSize, pScreen->u32Width, pScreen->u32Height, pScreen->u16Flags);
4940	}
4941
4942	DECLCALLBACK(int) Display::displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
4943	uint32_t xHot, uint32_t yHot,
4944	uint32_t cx, uint32_t cy,
4945	const void *pvShape)
4946	{
4947	LogFlowFunc(("\n"));
4948
4949	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4950	Display *pThis = pDrv->pDisplay;
4951
4952	size_t cbShapeSize = 0;
4953
4954	if (pvShape)
4955	{
4956	cbShapeSize = (cx + 7) / 8 * cy; /* size of the AND mask */
4957	cbShapeSize = ((cbShapeSize + 3) & ~3) + cx * 4 * cy; /* + gap + size of the XOR mask */
4958	}
4959	com::SafeArray<BYTE> shapeData(cbShapeSize);
4960
4961	if (pvShape)
4962	::memcpy(shapeData.raw(), pvShape, cbShapeSize);
4963
4964	/* Tell the console about it */
4965	pDrv->pDisplay->mParent->onMousePointerShapeChange(fVisible, fAlpha,
4966	xHot, yHot, cx, cy, ComSafeArrayAsInParam(shapeData));
4967
4968	return VINF_SUCCESS;
4969	}
4970	#endif /* VBOX_WITH_HGSMI */
4971
4972	/**
4973	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
4974	*/
4975	DECLCALLBACK(void ) Display::drvQueryInterface(PPDMIBASE pInterface, const char pszIID)
4976	{
4977	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
4978	PDRVMAINDISPLAY pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
4979	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
4980	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIDISPLAYCONNECTOR, &pDrv->IConnector);
4981	return NULL;
4982	}
4983
4984
4985	/**
4986	* Destruct a display driver instance.
4987	*
4988	* @returns VBox status.
4989	* @param pDrvIns The driver instance data.
4990	*/
4991	DECLCALLBACK(void) Display::drvDestruct(PPDMDRVINS pDrvIns)
4992	{
4993	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
4994	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
4995	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
4996
4997	if (pThis->pDisplay)
4998	{
4999	AutoWriteLock displayLock(pThis->pDisplay COMMA_LOCKVAL_SRC_POS);
5000	#ifdef VBOX_WITH_VPX
5001	pThis->pDisplay->VideoCaptureStop();
5002	#endif
5003	#ifdef VBOX_WITH_CRHGSMI
5004	pThis->pDisplay->destructCrHgsmiData();
5005	#endif
5006	pThis->pDisplay->mpDrv = NULL;
5007	pThis->pDisplay->mpVMMDev = NULL;
5008	pThis->pDisplay->mLastAddress = NULL;
5009	pThis->pDisplay->mLastBytesPerLine = 0;
5010	pThis->pDisplay->mLastBitsPerPixel = 0,
5011	pThis->pDisplay->mLastWidth = 0;
5012	pThis->pDisplay->mLastHeight = 0;
5013	}
5014	}
5015
5016
5017	/**
5018	* Construct a display driver instance.
5019	*
5020	* @copydoc FNPDMDRVCONSTRUCT
5021	*/
5022	DECLCALLBACK(int) Display::drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
5023	{
5024	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
5025	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
5026	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
5027
5028	/*
5029	* Validate configuration.
5030	*/
5031	if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
5032	return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
5033	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
5034	("Configuration error: Not possible to attach anything to this driver!\n"),
5035	VERR_PDM_DRVINS_NO_ATTACH);
5036
5037	/*
5038	* Init Interfaces.
5039	*/
5040	pDrvIns->IBase.pfnQueryInterface = Display::drvQueryInterface;
5041
5042	pThis->IConnector.pfnResize = Display::displayResizeCallback;
5043	pThis->IConnector.pfnUpdateRect = Display::displayUpdateCallback;
5044	pThis->IConnector.pfnRefresh = Display::displayRefreshCallback;
5045	pThis->IConnector.pfnReset = Display::displayResetCallback;
5046	pThis->IConnector.pfnLFBModeChange = Display::displayLFBModeChangeCallback;
5047	pThis->IConnector.pfnProcessAdapterData = Display::displayProcessAdapterDataCallback;
5048	pThis->IConnector.pfnProcessDisplayData = Display::displayProcessDisplayDataCallback;
5049	#ifdef VBOX_WITH_VIDEOHWACCEL
5050	pThis->IConnector.pfnVHWACommandProcess = Display::displayVHWACommandProcess;
5051	#endif
5052	#ifdef VBOX_WITH_CRHGSMI
5053	pThis->IConnector.pfnCrHgsmiCommandProcess = Display::displayCrHgsmiCommandProcess;
5054	pThis->IConnector.pfnCrHgsmiControlProcess = Display::displayCrHgsmiControlProcess;
5055	#endif
5056	pThis->IConnector.pfnCrHgcmCtlSubmit = Display::displayCrHgcmCtlSubmit;
5057	#ifdef VBOX_WITH_HGSMI
5058	pThis->IConnector.pfnVBVAEnable = Display::displayVBVAEnable;
5059	pThis->IConnector.pfnVBVADisable = Display::displayVBVADisable;
5060	pThis->IConnector.pfnVBVAUpdateBegin = Display::displayVBVAUpdateBegin;
5061	pThis->IConnector.pfnVBVAUpdateProcess = Display::displayVBVAUpdateProcess;
5062	pThis->IConnector.pfnVBVAUpdateEnd = Display::displayVBVAUpdateEnd;
5063	pThis->IConnector.pfnVBVAResize = Display::displayVBVAResize;
5064	pThis->IConnector.pfnVBVAMousePointerShape = Display::displayVBVAMousePointerShape;
5065	#endif
5066
5067	/*
5068	* Get the IDisplayPort interface of the above driver/device.
5069	*/
5070	pThis->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYPORT);
5071	if (!pThis->pUpPort)
5072	{
5073	AssertMsgFailed(("Configuration error: No display port interface above!\n"));
5074	return VERR_PDM_MISSING_INTERFACE_ABOVE;
5075	}
5076	#if defined(VBOX_WITH_VIDEOHWACCEL) \|\| defined(VBOX_WITH_CRHGSMI)
5077	pThis->pVBVACallbacks = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYVBVACALLBACKS);
5078	if (!pThis->pVBVACallbacks)
5079	{
5080	AssertMsgFailed(("Configuration error: No VBVA callback interface above!\n"));
5081	return VERR_PDM_MISSING_INTERFACE_ABOVE;
5082	}
5083	#endif
5084	/*
5085	* Get the Display object pointer and update the mpDrv member.
5086	*/
5087	void *pv;
5088	int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
5089	if (RT_FAILURE(rc))
5090	{
5091	AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
5092	return rc;
5093	}
5094	Display pDisplay = (Display )pv; /** @todo Check this cast! */
5095	pThis->pDisplay = pDisplay;
5096	pThis->pDisplay->mpDrv = pThis;
5097	/*
5098	* Update our display information according to the framebuffer
5099	*/
5100	pDisplay->updateDisplayData();
5101
5102	/*
5103	* Start periodic screen refreshes
5104	*/
5105	pThis->pUpPort->pfnSetRefreshRate(pThis->pUpPort, 20);
5106
5107	#ifdef VBOX_WITH_CRHGSMI
5108	pDisplay->setupCrHgsmiData();
5109	#endif
5110
5111	#ifdef VBOX_WITH_VPX
5112	ComPtr<IMachine> pMachine = pDisplay->mParent->machine();
5113	BOOL fEnabled = false;
5114	HRESULT hrc = pMachine->COMGETTER(VideoCaptureEnabled)(&fEnabled);
5115	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
5116	if (fEnabled)
5117	{
5118	rc = pDisplay->VideoCaptureStart();
5119	fireVideoCaptureChangedEvent(pDisplay->mParent->getEventSource());
5120	}
5121	#endif
5122
5123	return rc;
5124	}
5125
5126
5127	/**
5128	* Display driver registration record.
5129	*/
5130	const PDMDRVREG Display::DrvReg =
5131	{
5132	/* u32Version */
5133	PDM_DRVREG_VERSION,
5134	/* szName */
5135	"MainDisplay",
5136	/* szRCMod */
5137	"",
5138	/* szR0Mod */
5139	"",
5140	/* pszDescription */
5141	"Main display driver (Main as in the API).",
5142	/* fFlags */
5143	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
5144	/* fClass. */
5145	PDM_DRVREG_CLASS_DISPLAY,
5146	/* cMaxInstances */
5147	~0U,
5148	/* cbInstance */
5149	sizeof(DRVMAINDISPLAY),
5150	/* pfnConstruct */
5151	Display::drvConstruct,
5152	/* pfnDestruct */
5153	Display::drvDestruct,
5154	/* pfnRelocate */
5155	NULL,
5156	/* pfnIOCtl */
5157	NULL,
5158	/* pfnPowerOn */
5159	NULL,
5160	/* pfnReset */
5161	NULL,
5162	/* pfnSuspend */
5163	NULL,
5164	/* pfnResume */
5165	NULL,
5166	/* pfnAttach */
5167	NULL,
5168	/* pfnDetach */
5169	NULL,
5170	/* pfnPowerOff */
5171	NULL,
5172	/* pfnSoftReset */
5173	NULL,
5174	/* u32EndVersion */
5175	PDM_DRVREG_VERSION
5176	};
5177	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/src-client/DisplayImpl.cpp@ 50848

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