DisplayImpl.cpp@ 51436

Last change on this file since 51436 was 51436, checked in by vboxsync, 11 years ago
Main,Frontends: IDisplay provides the guest screen bitmap to frontends.
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1	/* $Id: DisplayImpl.cpp 51436 2014-05-28 09:12:15Z 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.215389.xyz. 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	#include <iprt/alloca.h>
36
37	#include <VBox/vmm/pdmdrv.h>
38	#if defined(DEBUG) \|\| defined(VBOX_STRICT) /* for VM_ASSERT_EMT(). */
39	# include <VBox/vmm/vm.h>
40	#endif
41
42	#ifdef VBOX_WITH_VIDEOHWACCEL
43	# include <VBox/VBoxVideo.h>
44	#endif
45
46	#if defined(VBOX_WITH_CROGL) \|\| defined(VBOX_WITH_CRHGSMI)
47	# include <VBox/HostServices/VBoxCrOpenGLSvc.h>
48	#endif
49
50	#include <VBox/com/array.h>
51
52	#ifdef VBOX_WITH_VPX
53	# include <iprt/path.h>
54	# include "VideoRec.h"
55	#endif
56
57	#ifdef VBOX_WITH_CROGL
58	typedef enum
59	{
60	CRVREC_STATE_IDLE,
61	CRVREC_STATE_SUBMITTED
62	} CRVREC_STATE;
63	#endif
64
65	/**
66	* Display driver instance data.
67	*
68	* @implements PDMIDISPLAYCONNECTOR
69	*/
70	typedef struct DRVMAINDISPLAY
71	{
72	/** Pointer to the display object. */
73	Display *pDisplay;
74	/** Pointer to the driver instance structure. */
75	PPDMDRVINS pDrvIns;
76	/** Pointer to the keyboard port interface of the driver/device above us. */
77	PPDMIDISPLAYPORT pUpPort;
78	/** Our display connector interface. */
79	PDMIDISPLAYCONNECTOR IConnector;
80	#if defined(VBOX_WITH_VIDEOHWACCEL) \|\| defined(VBOX_WITH_CRHGSMI)
81	/** VBVA callbacks */
82	PPDMIDISPLAYVBVACALLBACKS pVBVACallbacks;
83	#endif
84	} DRVMAINDISPLAY, *PDRVMAINDISPLAY;
85
86	/** Converts PDMIDISPLAYCONNECTOR pointer to a DRVMAINDISPLAY pointer. */
87	#define PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface) RT_FROM_MEMBER(pInterface, DRVMAINDISPLAY, IConnector)
88
89	#ifdef DEBUG_sunlover
90	static STAMPROFILE g_StatDisplayRefresh;
91	static int g_stam = 0;
92	#endif /* DEBUG_sunlover */
93
94	// constructor / destructor
95	/////////////////////////////////////////////////////////////////////////////
96
97	Display::Display()
98	: mParent(NULL)
99	{
100	}
101
102	Display::~Display()
103	{
104	}
105
106
107	HRESULT Display::FinalConstruct()
108	{
109	mpVbvaMemory = NULL;
110	mfVideoAccelEnabled = false;
111	mfVideoAccelVRDP = false;
112	mfu32SupportedOrders = 0;
113	mcVideoAccelVRDPRefs = 0;
114
115	mpPendingVbvaMemory = NULL;
116	mfPendingVideoAccelEnable = false;
117
118	mfMachineRunning = false;
119	#ifdef VBOX_WITH_CROGL
120	mfCrOglDataHidden = false;
121	#endif
122
123	mpu8VbvaPartial = NULL;
124	mcbVbvaPartial = 0;
125
126	mpDrv = NULL;
127	mpVMMDev = NULL;
128	mfVMMDevInited = false;
129
130	mLastAddress = NULL;
131	mLastBytesPerLine = 0;
132	mLastBitsPerPixel = 0,
133	mLastWidth = 0;
134	mLastHeight = 0;
135
136	int rc = RTCritSectInit(&mVBVALock);
137	AssertRC(rc);
138
139	rc = RTCritSectInit(&mSaveSeamlessRectLock);
140	AssertRC(rc);
141
142	mfu32PendingVideoAccelDisable = false;
143
144	#ifdef VBOX_WITH_HGSMI
145	mu32UpdateVBVAFlags = 0;
146	#endif
147	#ifdef VBOX_WITH_VPX
148	mpVideoRecCtx = NULL;
149	for (unsigned i = 0; i < RT_ELEMENTS(maVideoRecEnabled); i++)
150	maVideoRecEnabled[i] = true;
151	#endif
152
153	#ifdef VBOX_WITH_CRHGSMI
154	mhCrOglSvc = NULL;
155	rc = RTCritSectRwInit(&mCrOglLock);
156	AssertRC(rc);
157	#endif
158	#ifdef VBOX_WITH_CROGL
159	RT_ZERO(mCrOglCallbacks);
160	RT_ZERO(mCrOglScreenshotData);
161	mfCrOglVideoRecState = CRVREC_STATE_IDLE;
162	mCrOglScreenshotData.u32Screen = CRSCREEN_ALL;
163	mCrOglScreenshotData.pvContext = this;
164	mCrOglScreenshotData.pfnScreenshotBegin = displayCrVRecScreenshotBegin;
165	mCrOglScreenshotData.pfnScreenshotPerform = displayCrVRecScreenshotPerform;
166	mCrOglScreenshotData.pfnScreenshotEnd = displayCrVRecScreenshotEnd;
167	#endif
168
169	return BaseFinalConstruct();
170	}
171
172	void Display::FinalRelease()
173	{
174	uninit();
175
176	if (RTCritSectIsInitialized (&mVBVALock))
177	{
178	RTCritSectDelete (&mVBVALock);
179	RT_ZERO(mVBVALock);
180	}
181
182	if (RTCritSectIsInitialized(&mSaveSeamlessRectLock))
183	{
184	RTCritSectDelete(&mSaveSeamlessRectLock);
185	RT_ZERO(mSaveSeamlessRectLock);
186	}
187
188	#ifdef VBOX_WITH_CRHGSMI
189	if (RTCritSectRwIsInitialized (&mCrOglLock))
190	{
191	RTCritSectRwDelete (&mCrOglLock);
192	RT_ZERO(mCrOglLock);
193	}
194	#endif
195	BaseFinalRelease();
196	}
197
198	// public initializer/uninitializer for internal purposes only
199	/////////////////////////////////////////////////////////////////////////////
200
201	#define kMaxSizeThumbnail 64
202
203	/**
204	* Save thumbnail and screenshot of the guest screen.
205	*/
206	static int displayMakeThumbnail(uint8_t *pu8Data, uint32_t cx, uint32_t cy,
207	uint8_t *ppu8Thumbnail, uint32_t pcbThumbnail, uint32_t pcxThumbnail, uint32_t pcyThumbnail)
208	{
209	int rc = VINF_SUCCESS;
210
211	uint8_t *pu8Thumbnail = NULL;
212	uint32_t cbThumbnail = 0;
213	uint32_t cxThumbnail = 0;
214	uint32_t cyThumbnail = 0;
215
216	if (cx > cy)
217	{
218	cxThumbnail = kMaxSizeThumbnail;
219	cyThumbnail = (kMaxSizeThumbnail * cy) / cx;
220	}
221	else
222	{
223	cyThumbnail = kMaxSizeThumbnail;
224	cxThumbnail = (kMaxSizeThumbnail * cx) / cy;
225	}
226
227	LogRelFlowFunc(("%dx%d -> %dx%d\n", cx, cy, cxThumbnail, cyThumbnail));
228
229	cbThumbnail = cxThumbnail * 4 * cyThumbnail;
230	pu8Thumbnail = (uint8_t *)RTMemAlloc(cbThumbnail);
231
232	if (pu8Thumbnail)
233	{
234	uint8_t *dst = pu8Thumbnail;
235	uint8_t *src = pu8Data;
236	int dstW = cxThumbnail;
237	int dstH = cyThumbnail;
238	int srcW = cx;
239	int srcH = cy;
240	int iDeltaLine = cx * 4;
241
242	BitmapScale32 (dst,
243	dstW, dstH,
244	src,
245	iDeltaLine,
246	srcW, srcH);
247
248	*ppu8Thumbnail = pu8Thumbnail;
249	*pcbThumbnail = cbThumbnail;
250	*pcxThumbnail = cxThumbnail;
251	*pcyThumbnail = cyThumbnail;
252	}
253	else
254	{
255	rc = VERR_NO_MEMORY;
256	}
257
258	return rc;
259	}
260
261	#ifdef VBOX_WITH_CROGL
262	typedef struct
263	{
264	CRVBOXHGCMTAKESCREENSHOT Base;
265
266	/* 32bpp small RGB image. */
267	uint8_t *pu8Thumbnail;
268	uint32_t cbThumbnail;
269	uint32_t cxThumbnail;
270	uint32_t cyThumbnail;
271
272	/* PNG screenshot. */
273	uint8_t *pu8PNG;
274	uint32_t cbPNG;
275	uint32_t cxPNG;
276	uint32_t cyPNG;
277	} VBOX_DISPLAY_SAVESCREENSHOT_DATA;
278
279	static DECLCALLBACK(void) displaySaveScreenshotReport(void *pvCtx, uint32_t uScreen,
280	uint32_t x, uint32_t y, uint32_t uBitsPerPixel,
281	uint32_t uBytesPerLine, uint32_t uGuestWidth, uint32_t uGuestHeight,
282	uint8_t *pu8BufferAddress, uint64_t u64TimeStamp)
283	{
284	VBOX_DISPLAY_SAVESCREENSHOT_DATA pData = (VBOX_DISPLAY_SAVESCREENSHOT_DATA)pvCtx;
285	displayMakeThumbnail(pu8BufferAddress, uGuestWidth, uGuestHeight, &pData->pu8Thumbnail,
286	&pData->cbThumbnail, &pData->cxThumbnail, &pData->cyThumbnail);
287	int rc = DisplayMakePNG(pu8BufferAddress, uGuestWidth, uGuestHeight, &pData->pu8PNG,
288	&pData->cbPNG, &pData->cxPNG, &pData->cyPNG, 1);
289	if (RT_FAILURE(rc))
290	{
291	AssertMsgFailed(("DisplayMakePNG failed %d\n", rc));
292	if (pData->pu8PNG)
293	{
294	RTMemFree(pData->pu8PNG);
295	pData->pu8PNG = NULL;
296	}
297	pData->cbPNG = 0;
298	pData->cxPNG = 0;
299	pData->cyPNG = 0;
300	}
301	}
302	#endif
303
304	DECLCALLBACK(void)
305	Display::displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser)
306	{
307	Display that = static_cast<Display>(pvUser);
308
309	/* 32bpp small RGB image. */
310	uint8_t *pu8Thumbnail = NULL;
311	uint32_t cbThumbnail = 0;
312	uint32_t cxThumbnail = 0;
313	uint32_t cyThumbnail = 0;
314
315	/* PNG screenshot. */
316	uint8_t *pu8PNG = NULL;
317	uint32_t cbPNG = 0;
318	uint32_t cxPNG = 0;
319	uint32_t cyPNG = 0;
320
321	Console::SafeVMPtr ptrVM(that->mParent);
322	if (ptrVM.isOk())
323	{
324	/* Query RGB bitmap. */
325	uint8_t *pu8Data = NULL;
326	size_t cbData = 0;
327	uint32_t cx = 0;
328	uint32_t cy = 0;
329
330	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
331	BOOL f3DSnapshot = FALSE;
332	BOOL is3denabled;
333	that->mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
334	if (is3denabled && that->mCrOglCallbacks.pfnHasData())
335	{
336	VMMDev *pVMMDev = that->mParent->getVMMDev();
337	if (pVMMDev)
338	{
339	VBOX_DISPLAY_SAVESCREENSHOT_DATA *pScreenshot =
340	(VBOX_DISPLAY_SAVESCREENSHOT_DATA)RTMemAllocZ(sizeof (pScreenshot));
341	if (pScreenshot)
342	{
343	/* screen id or CRSCREEN_ALL to specify all enabled */
344	pScreenshot->Base.u32Screen = 0;
345	pScreenshot->Base.u32Width = 0;
346	pScreenshot->Base.u32Height = 0;
347	pScreenshot->Base.u32Pitch = 0;
348	pScreenshot->Base.pvBuffer = NULL;
349	pScreenshot->Base.pvContext = pScreenshot;
350	pScreenshot->Base.pfnScreenshotBegin = NULL;
351	pScreenshot->Base.pfnScreenshotPerform = displaySaveScreenshotReport;
352	pScreenshot->Base.pfnScreenshotEnd = NULL;
353
354	VBOXCRCMDCTL_HGCM data;
355	data.Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
356	data.Hdr.u32Function = SHCRGL_HOST_FN_TAKE_SCREENSHOT;
357
358	data.aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
359	data.aParms[0].u.pointer.addr = &pScreenshot->Base;
360	data.aParms[0].u.pointer.size = sizeof (pScreenshot->Base);
361
362	int rc = that->crCtlSubmitSync(&data.Hdr, sizeof (data));
363	if (RT_SUCCESS(rc))
364	{
365	if (pScreenshot->pu8PNG)
366	{
367	pu8Thumbnail = pScreenshot->pu8Thumbnail;
368	cbThumbnail = pScreenshot->cbThumbnail;
369	cxThumbnail = pScreenshot->cxThumbnail;
370	cyThumbnail = pScreenshot->cyThumbnail;
371
372	/* PNG screenshot. */
373	pu8PNG = pScreenshot->pu8PNG;
374	cbPNG = pScreenshot->cbPNG;
375	cxPNG = pScreenshot->cxPNG;
376	cyPNG = pScreenshot->cyPNG;
377	f3DSnapshot = TRUE;
378	}
379	else
380	AssertMsgFailed(("no png\n"));
381	}
382	else
383	AssertMsgFailed(("SHCRGL_HOST_FN_TAKE_SCREENSHOT failed %d\n", rc));
384
385
386	RTMemFree(pScreenshot);
387	}
388	}
389	}
390
391	if (!f3DSnapshot)
392	#endif
393	{
394	/* SSM code is executed on EMT(0), therefore no need to use VMR3ReqCallWait. */
395	int rc = Display::displayTakeScreenshotEMT(that, VBOX_VIDEO_PRIMARY_SCREEN, &pu8Data, &cbData, &cx, &cy);
396
397	/*
398	* It is possible that success is returned but everything is 0 or NULL.
399	* (no display attached if a VM is running with VBoxHeadless on OSE for example)
400	*/
401	if (RT_SUCCESS(rc) && pu8Data)
402	{
403	Assert(cx && cy);
404
405	/* Prepare a small thumbnail and a PNG screenshot. */
406	displayMakeThumbnail(pu8Data, cx, cy, &pu8Thumbnail, &cbThumbnail, &cxThumbnail, &cyThumbnail);
407	rc = DisplayMakePNG(pu8Data, cx, cy, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 1);
408	if (RT_FAILURE(rc))
409	{
410	if (pu8PNG)
411	{
412	RTMemFree(pu8PNG);
413	pu8PNG = NULL;
414	}
415	cbPNG = 0;
416	cxPNG = 0;
417	cyPNG = 0;
418	}
419
420	/* This can be called from any thread. */
421	that->mpDrv->pUpPort->pfnFreeScreenshot(that->mpDrv->pUpPort, pu8Data);
422	}
423	}
424	}
425	else
426	{
427	LogFunc(("Failed to get VM pointer 0x%x\n", ptrVM.rc()));
428	}
429
430	/* Regardless of rc, save what is available:
431	* Data format:
432	* uint32_t cBlocks;
433	* [blocks]
434	*
435	* Each block is:
436	* uint32_t cbBlock; if 0 - no 'block data'.
437	* uint32_t typeOfBlock; 0 - 32bpp RGB bitmap, 1 - PNG, ignored if 'cbBlock' is 0.
438	* [block data]
439	*
440	* Block data for bitmap and PNG:
441	* uint32_t cx;
442	* uint32_t cy;
443	* [image data]
444	*/
445	SSMR3PutU32(pSSM, 2); /* Write thumbnail and PNG screenshot. */
446
447	/* First block. */
448	SSMR3PutU32(pSSM, cbThumbnail + 2 * sizeof (uint32_t));
449	SSMR3PutU32(pSSM, 0); /* Block type: thumbnail. */
450
451	if (cbThumbnail)
452	{
453	SSMR3PutU32(pSSM, cxThumbnail);
454	SSMR3PutU32(pSSM, cyThumbnail);
455	SSMR3PutMem(pSSM, pu8Thumbnail, cbThumbnail);
456	}
457
458	/* Second block. */
459	SSMR3PutU32(pSSM, cbPNG + 2 * sizeof (uint32_t));
460	SSMR3PutU32(pSSM, 1); /* Block type: png. */
461
462	if (cbPNG)
463	{
464	SSMR3PutU32(pSSM, cxPNG);
465	SSMR3PutU32(pSSM, cyPNG);
466	SSMR3PutMem(pSSM, pu8PNG, cbPNG);
467	}
468
469	RTMemFree(pu8PNG);
470	RTMemFree(pu8Thumbnail);
471	}
472
473	DECLCALLBACK(int)
474	Display::displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
475	{
476	Display that = static_cast<Display>(pvUser);
477
478	if (uVersion != sSSMDisplayScreenshotVer)
479	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
480	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
481
482	/* Skip data. */
483	uint32_t cBlocks;
484	int rc = SSMR3GetU32(pSSM, &cBlocks);
485	AssertRCReturn(rc, rc);
486
487	for (uint32_t i = 0; i < cBlocks; i++)
488	{
489	uint32_t cbBlock;
490	rc = SSMR3GetU32(pSSM, &cbBlock);
491	AssertRCBreak(rc);
492
493	uint32_t typeOfBlock;
494	rc = SSMR3GetU32(pSSM, &typeOfBlock);
495	AssertRCBreak(rc);
496
497	LogRelFlowFunc(("[%d] type %d, size %d bytes\n", i, typeOfBlock, cbBlock));
498
499	/* Note: displaySSMSaveScreenshot writes size of a block = 8 and
500	* do not write any data if the image size was 0.
501	* @todo Fix and increase saved state version.
502	*/
503	if (cbBlock > 2 * sizeof (uint32_t))
504	{
505	rc = SSMR3Skip(pSSM, cbBlock);
506	AssertRCBreak(rc);
507	}
508	}
509
510	return rc;
511	}
512
513	/**
514	* Save/Load some important guest state
515	*/
516	DECLCALLBACK(void)
517	Display::displaySSMSave(PSSMHANDLE pSSM, void *pvUser)
518	{
519	Display that = static_cast<Display>(pvUser);
520
521	SSMR3PutU32(pSSM, that->mcMonitors);
522	for (unsigned i = 0; i < that->mcMonitors; i++)
523	{
524	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32Offset);
525	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32MaxFramebufferSize);
526	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32InformationSize);
527	SSMR3PutU32(pSSM, that->maFramebuffers[i].w);
528	SSMR3PutU32(pSSM, that->maFramebuffers[i].h);
529	SSMR3PutS32(pSSM, that->maFramebuffers[i].xOrigin);
530	SSMR3PutS32(pSSM, that->maFramebuffers[i].yOrigin);
531	SSMR3PutU32(pSSM, that->maFramebuffers[i].flags);
532	}
533	}
534
535	DECLCALLBACK(int)
536	Display::displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
537	{
538	Display that = static_cast<Display>(pvUser);
539
540	if (!( uVersion == sSSMDisplayVer
541	\|\| uVersion == sSSMDisplayVer2
542	\|\| uVersion == sSSMDisplayVer3))
543	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
544	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
545
546	uint32_t cMonitors;
547	int rc = SSMR3GetU32(pSSM, &cMonitors);
548	if (cMonitors != that->mcMonitors)
549	return SSMR3SetCfgError(pSSM, RT_SRC_POS, N_("Number of monitors changed (%d->%d)!"), cMonitors, that->mcMonitors);
550
551	for (uint32_t i = 0; i < cMonitors; i++)
552	{
553	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32Offset);
554	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32MaxFramebufferSize);
555	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32InformationSize);
556	if ( uVersion == sSSMDisplayVer2
557	\|\| uVersion == sSSMDisplayVer3)
558	{
559	uint32_t w;
560	uint32_t h;
561	SSMR3GetU32(pSSM, &w);
562	SSMR3GetU32(pSSM, &h);
563	that->maFramebuffers[i].w = w;
564	that->maFramebuffers[i].h = h;
565	}
566	if (uVersion == sSSMDisplayVer3)
567	{
568	int32_t xOrigin;
569	int32_t yOrigin;
570	uint32_t flags;
571	SSMR3GetS32(pSSM, &xOrigin);
572	SSMR3GetS32(pSSM, &yOrigin);
573	SSMR3GetU32(pSSM, &flags);
574	that->maFramebuffers[i].xOrigin = xOrigin;
575	that->maFramebuffers[i].yOrigin = yOrigin;
576	that->maFramebuffers[i].flags = (uint16_t)flags;
577	that->maFramebuffers[i].fDisabled = (that->maFramebuffers[i].flags & VBVA_SCREEN_F_DISABLED) != 0;
578	}
579	}
580
581	return VINF_SUCCESS;
582	}
583
584	/**
585	* Initializes the display object.
586	*
587	* @returns COM result indicator
588	* @param parent handle of our parent object
589	* @param qemuConsoleData address of common console data structure
590	*/
591	HRESULT Display::init(Console *aParent)
592	{
593	ComAssertRet(aParent, E_INVALIDARG);
594	/* Enclose the state transition NotReady->InInit->Ready */
595	AutoInitSpan autoInitSpan(this);
596	AssertReturn(autoInitSpan.isOk(), E_FAIL);
597
598	unconst(mParent) = aParent;
599
600	ULONG ul;
601	mParent->machine()->COMGETTER(MonitorCount)(&ul);
602	mcMonitors = ul;
603
604	for (ul = 0; ul < mcMonitors; ul++)
605	{
606	maFramebuffers[ul].u32Offset = 0;
607	maFramebuffers[ul].u32MaxFramebufferSize = 0;
608	maFramebuffers[ul].u32InformationSize = 0;
609
610	maFramebuffers[ul].pFramebuffer = NULL;
611	/* All secondary monitors are disabled at startup. */
612	maFramebuffers[ul].fDisabled = ul > 0;
613
614	maFramebuffers[ul].xOrigin = 0;
615	maFramebuffers[ul].yOrigin = 0;
616
617	maFramebuffers[ul].w = 0;
618	maFramebuffers[ul].h = 0;
619
620	maFramebuffers[ul].flags = maFramebuffers[ul].fDisabled? VBVA_SCREEN_F_DISABLED: 0;
621
622	maFramebuffers[ul].u16BitsPerPixel = 0;
623	maFramebuffers[ul].pu8FramebufferVRAM = NULL;
624	maFramebuffers[ul].u32LineSize = 0;
625
626	maFramebuffers[ul].pHostEvents = NULL;
627
628	maFramebuffers[ul].u32ResizeStatus = ResizeStatus_Void;
629
630	maFramebuffers[ul].fDefaultFormat = false;
631
632	maFramebuffers[ul].mcSavedVisibleRegion = 0;
633	maFramebuffers[ul].mpSavedVisibleRegion = NULL;
634
635	RT_ZERO(maFramebuffers[ul].dirtyRect);
636	RT_ZERO(maFramebuffers[ul].pendingResize);
637	#ifdef VBOX_WITH_HGSMI
638	maFramebuffers[ul].fVBVAEnabled = false;
639	maFramebuffers[ul].fVBVAForceResize = false;
640	maFramebuffers[ul].fRenderThreadMode = false;
641	maFramebuffers[ul].cVBVASkipUpdate = 0;
642	RT_ZERO(maFramebuffers[ul].vbvaSkippedRect);
643	maFramebuffers[ul].pVBVAHostFlags = NULL;
644	#endif /* VBOX_WITH_HGSMI */
645	#ifdef VBOX_WITH_CROGL
646	RT_ZERO(maFramebuffers[ul].pendingViewportInfo);
647	#endif
648	}
649
650	{
651	// register listener for state change events
652	ComPtr<IEventSource> es;
653	mParent->COMGETTER(EventSource)(es.asOutParam());
654	com::SafeArray <VBoxEventType_T> eventTypes;
655	eventTypes.push_back(VBoxEventType_OnStateChanged);
656	es->RegisterListener(this, ComSafeArrayAsInParam(eventTypes), true);
657	}
658
659	/* Confirm a successful initialization */
660	autoInitSpan.setSucceeded();
661
662	return S_OK;
663	}
664
665	/**
666	* Uninitializes the instance and sets the ready flag to FALSE.
667	* Called either from FinalRelease() or by the parent when it gets destroyed.
668	*/
669	void Display::uninit()
670	{
671	LogRelFlowFunc(("this=%p\n", this));
672
673	/* Enclose the state transition Ready->InUninit->NotReady */
674	AutoUninitSpan autoUninitSpan(this);
675	if (autoUninitSpan.uninitDone())
676	return;
677
678	ULONG ul;
679	for (ul = 0; ul < mcMonitors; ul++)
680	maFramebuffers[ul].pFramebuffer = NULL;
681
682	if (mParent)
683	{
684	ComPtr<IEventSource> es;
685	mParent->COMGETTER(EventSource)(es.asOutParam());
686	es->UnregisterListener(this);
687	}
688
689	unconst(mParent) = NULL;
690
691	if (mpDrv)
692	mpDrv->pDisplay = NULL;
693
694	mpDrv = NULL;
695	mpVMMDev = NULL;
696	mfVMMDevInited = true;
697	}
698
699	/**
700	* Register the SSM methods. Called by the power up thread to be able to
701	* pass pVM
702	*/
703	int Display::registerSSM(PUVM pUVM)
704	{
705	/* Version 2 adds width and height of the framebuffer; version 3 adds
706	* the framebuffer offset in the virtual desktop and the framebuffer flags.
707	*/
708	int rc = SSMR3RegisterExternal(pUVM, "DisplayData", 0, sSSMDisplayVer3,
709	mcMonitors * sizeof(uint32_t) * 8 + sizeof(uint32_t),
710	NULL, NULL, NULL,
711	NULL, displaySSMSave, NULL,
712	NULL, displaySSMLoad, NULL, this);
713	AssertRCReturn(rc, rc);
714
715	/*
716	* Register loaders for old saved states where iInstance was
717	* 3 * sizeof(uint32_t *) due to a code mistake.
718	*/
719	rc = SSMR3RegisterExternal(pUVM, "DisplayData", 12 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
720	NULL, NULL, NULL,
721	NULL, NULL, NULL,
722	NULL, displaySSMLoad, NULL, this);
723	AssertRCReturn(rc, rc);
724
725	rc = SSMR3RegisterExternal(pUVM, "DisplayData", 24 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
726	NULL, NULL, NULL,
727	NULL, NULL, NULL,
728	NULL, displaySSMLoad, NULL, this);
729	AssertRCReturn(rc, rc);
730
731	/* uInstance is an arbitrary value greater than 1024. Such a value will ensure a quick seek in saved state file. */
732	rc = SSMR3RegisterExternal(pUVM, "DisplayScreenshot", 1100 /uInstance/, sSSMDisplayScreenshotVer, 0 /cbGuess/,
733	NULL, NULL, NULL,
734	NULL, displaySSMSaveScreenshot, NULL,
735	NULL, displaySSMLoadScreenshot, NULL, this);
736
737	AssertRCReturn(rc, rc);
738
739	return VINF_SUCCESS;
740	}
741
742	DECLCALLBACK(void) Display::displayCrCmdFree(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd, int rc, void *pvCompletion)
743	{
744	Assert(pvCompletion);
745	RTMemFree(pvCompletion);
746	}
747
748	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
749	int Display::crOglWindowsShow(bool fShow)
750	{
751	if (!mfCrOglDataHidden == !!fShow)
752	return VINF_SUCCESS;
753
754	if (!mhCrOglSvc)
755	{
756	/* no 3D */
757	#ifdef DEBUG
758	BOOL is3denabled;
759	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
760	Assert(!is3denabled);
761	#endif
762	return VERR_INVALID_STATE;
763	}
764
765	VMMDev *pVMMDev = mParent->getVMMDev();
766	if (!pVMMDev)
767	{
768	AssertMsgFailed(("no vmmdev\n"));
769	return VERR_INVALID_STATE;
770	}
771
772	VBOXCRCMDCTL_HGCM pData = (VBOXCRCMDCTL_HGCM)RTMemAlloc(sizeof (VBOXCRCMDCTL_HGCM));
773	if (!pData)
774	{
775	AssertMsgFailed(("RTMemAlloc failed\n"));
776	return VERR_NO_MEMORY;
777	}
778
779	pData->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
780	pData->Hdr.u32Function = SHCRGL_HOST_FN_WINDOWS_SHOW;
781
782	pData->aParms[0].type = VBOX_HGCM_SVC_PARM_32BIT;
783	pData->aParms[0].u.uint32 = (uint32_t)fShow;
784
785	int rc = crCtlSubmit(&pData->Hdr, sizeof (*pData), displayCrCmdFree, pData);
786	if (RT_SUCCESS(rc))
787	mfCrOglDataHidden = !fShow;
788	else
789	{
790	AssertMsgFailed(("crCtlSubmit failed rc %d\n", rc));
791	RTMemFree(pData);
792	}
793
794	return rc;
795	}
796	#endif
797
798
799	// IEventListener method
800	STDMETHODIMP Display::HandleEvent(IEvent * aEvent)
801	{
802	VBoxEventType_T aType = VBoxEventType_Invalid;
803
804	aEvent->COMGETTER(Type)(&aType);
805	switch (aType)
806	{
807	case VBoxEventType_OnStateChanged:
808	{
809	ComPtr<IStateChangedEvent> scev = aEvent;
810	Assert(scev);
811	MachineState_T machineState;
812	scev->COMGETTER(State)(&machineState);
813	if ( machineState == MachineState_Running
814	\|\| machineState == MachineState_Teleporting
815	\|\| machineState == MachineState_LiveSnapshotting
816	)
817	{
818	LogRelFlowFunc(("Machine is running.\n"));
819
820	mfMachineRunning = true;
821
822	#ifdef VBOX_WITH_CROGL
823	crOglWindowsShow(true);
824	#endif
825	}
826	else
827	{
828	mfMachineRunning = false;
829
830	#ifdef VBOX_WITH_CROGL
831	if (machineState == MachineState_Paused)
832	crOglWindowsShow(false);
833	#endif
834	}
835	break;
836	}
837	default:
838	AssertFailed();
839	}
840
841	return S_OK;
842	}
843
844	// public methods only for internal purposes
845	/////////////////////////////////////////////////////////////////////////////
846
847	/**
848	* @thread EMT
849	*/
850	static int callFramebufferResize (IFramebuffer *pFramebuffer, unsigned uScreenId,
851	ULONG pixelFormat, void *pvVRAM,
852	uint32_t bpp, uint32_t cbLine,
853	uint32_t w, uint32_t h)
854	{
855	Assert (pFramebuffer);
856
857	NOREF(pixelFormat);
858	NOREF(pvVRAM);
859	NOREF(bpp);
860	NOREF(cbLine);
861
862	/* Call the framebuffer to try and set required pixelFormat. */
863	HRESULT hr = pFramebuffer->NotifyChange(uScreenId, 0, 0, w, h); /* @todo origin */
864
865	Log(("pFramebuffer->NotifyChange hr %08x\n", hr));
866
867	return VINF_SUCCESS;
868	}
869
870	int Display::notifyCroglResize(const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, void *pvVRAM)
871	{
872	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
873	if (maFramebuffers[pScreen->u32ViewIndex].fRenderThreadMode)
874	return VINF_SUCCESS; /* nop it */
875
876	BOOL is3denabled;
877	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
878
879	if (is3denabled)
880	{
881	int rc = VERR_INVALID_STATE;
882	if (mhCrOglSvc)
883	{
884	VMMDev *pVMMDev = mParent->getVMMDev();
885	if (pVMMDev)
886	{
887	VBOXCRCMDCTL_HGCM *pCtl =
888	(VBOXCRCMDCTL_HGCM*)RTMemAlloc(sizeof (CRVBOXHGCMDEVRESIZE) + sizeof (VBOXCRCMDCTL_HGCM));
889	if (pCtl)
890	{
891	CRVBOXHGCMDEVRESIZE pData = (CRVBOXHGCMDEVRESIZE)(pCtl+1);
892	pData->Screen = *pScreen;
893	pData->pvVRAM = pvVRAM;
894
895	pCtl->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
896	pCtl->Hdr.u32Function = SHCRGL_HOST_FN_DEV_RESIZE;
897	pCtl->aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
898	pCtl->aParms[0].u.pointer.addr = pData;
899	pCtl->aParms[0].u.pointer.size = sizeof (*pData);
900
901	rc = crCtlSubmit(&pCtl->Hdr, sizeof (*pCtl), displayCrCmdFree, pCtl);
902	if (!RT_SUCCESS(rc))
903	{
904	AssertMsgFailed(("crCtlSubmit failed rc %d\n", rc));
905	RTMemFree(pCtl);
906	}
907	}
908	else
909	rc = VERR_NO_MEMORY;
910	}
911	}
912
913	return rc;
914	}
915	#endif /* #if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL) */
916	return VINF_SUCCESS;
917	}
918
919	/**
920	* Handles display resize event.
921	* Disables access to VGA device;
922	* calls the framebuffer RequestResize method;
923	* if framebuffer resizes synchronously,
924	* updates the display connector data and enables access to the VGA device.
925	*
926	* @param w New display width
927	* @param h New display height
928	*
929	* @thread EMT
930	*/
931	int Display::handleDisplayResize (unsigned uScreenId, uint32_t bpp, void *pvVRAM,
932	uint32_t cbLine, uint32_t w, uint32_t h, uint16_t flags)
933	{
934	LogRel(("Display::handleDisplayResize(): uScreenId = %d, pvVRAM=%p "
935	"w=%d h=%d bpp=%d cbLine=0x%X, flags=0x%X\n",
936	uScreenId, pvVRAM, w, h, bpp, cbLine, flags));
937
938	/* If there is no framebuffer, this call is not interesting. */
939	if (uScreenId >= mcMonitors)
940	{
941	return VINF_SUCCESS;
942	}
943
944	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
945	{
946	mLastAddress = pvVRAM;
947	mLastBytesPerLine = cbLine;
948	mLastBitsPerPixel = bpp;
949	mLastWidth = w;
950	mLastHeight = h;
951	mLastFlags = flags;
952
953	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
954	pFBInfo->w = w;
955	pFBInfo->h = h;
956
957	pFBInfo->u16BitsPerPixel = (uint16_t)bpp;
958	pFBInfo->pu8FramebufferVRAM = (uint8_t *)pvVRAM;
959	pFBInfo->u32LineSize = cbLine;
960	}
961
962	if (maFramebuffers[uScreenId].pFramebuffer.isNull())
963	{
964	return VINF_SUCCESS;
965	}
966
967	ULONG pixelFormat;
968
969	switch (bpp)
970	{
971	case 32:
972	case 24:
973	case 16:
974	pixelFormat = FramebufferPixelFormat_FOURCC_RGB;
975	break;
976	default:
977	pixelFormat = FramebufferPixelFormat_Opaque;
978	bpp = cbLine = 0;
979	break;
980	}
981
982	/* Atomically set the resize status before calling the framebuffer. The new InProgress status will
983	* disable access to the VGA device by the EMT thread.
984	*/
985	bool f = ASMAtomicCmpXchgU32 (&maFramebuffers[uScreenId].u32ResizeStatus,
986	ResizeStatus_InProgress, ResizeStatus_Void);
987	if (!f)
988	{
989	/* This could be a result of the screenshot taking call Display::TakeScreenShot:
990	* if the framebuffer is processing the resize request and GUI calls the TakeScreenShot
991	* and the guest has reprogrammed the virtual VGA devices again so a new resize is required.
992	*
993	* Save the resize information and return the pending status code.
994	*
995	* Note: the resize information is only accessed on EMT so no serialization is required.
996	*/
997	LogRel(("Display::handleDisplayResize(): Warning: resize postponed.\n"));
998
999	maFramebuffers[uScreenId].pendingResize.fPending = true;
1000	maFramebuffers[uScreenId].pendingResize.pixelFormat = pixelFormat;
1001	maFramebuffers[uScreenId].pendingResize.pvVRAM = pvVRAM;
1002	maFramebuffers[uScreenId].pendingResize.bpp = bpp;
1003	maFramebuffers[uScreenId].pendingResize.cbLine = cbLine;
1004	maFramebuffers[uScreenId].pendingResize.w = w;
1005	maFramebuffers[uScreenId].pendingResize.h = h;
1006	maFramebuffers[uScreenId].pendingResize.flags = flags;
1007
1008	return VINF_VGA_RESIZE_IN_PROGRESS;
1009	}
1010
1011	/* Framebuffer will be invalid during resize, make sure that it is not accessed. */
1012	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1013	{
1014	mpDrv->pUpPort->pfnSetRenderVRAM(mpDrv->pUpPort, false);
1015
1016	mpDrv->IConnector.pu8Data = NULL;
1017	mpDrv->IConnector.cbScanline = 0;
1018	mpDrv->IConnector.cBits = 32; /* DevVGA does not work with cBits == 0. */
1019	mpDrv->IConnector.cx = 0;
1020	mpDrv->IConnector.cy = 0;
1021	}
1022
1023	maFramebuffers[uScreenId].pSourceBitmap.setNull();
1024
1025	int rc = callFramebufferResize (maFramebuffers[uScreenId].pFramebuffer, uScreenId,
1026	pixelFormat, pvVRAM, bpp, cbLine, w, h);
1027	if (rc == VINF_VGA_RESIZE_IN_PROGRESS)
1028	{
1029	/* Immediately return to the caller. ResizeCompleted will be called back by the
1030	* GUI thread. The ResizeCompleted callback will change the resize status from
1031	* InProgress to UpdateDisplayData. The latter status will be checked by the
1032	* display timer callback on EMT and all required adjustments will be done there.
1033	*/
1034	return rc;
1035	}
1036
1037	/* Set the status so the 'handleResizeCompleted' would work. */
1038	f = ASMAtomicCmpXchgU32 (&maFramebuffers[uScreenId].u32ResizeStatus,
1039	ResizeStatus_UpdateDisplayData, ResizeStatus_InProgress);
1040	AssertRelease(f);NOREF(f);
1041
1042	AssertRelease(!maFramebuffers[uScreenId].pendingResize.fPending);
1043
1044	/* The method also unlocks the framebuffer. */
1045	handleResizeCompletedEMT(uScreenId);
1046
1047	return VINF_SUCCESS;
1048	}
1049
1050	/**
1051	* Framebuffer has been resized.
1052	* Read the new display data and unlock the framebuffer.
1053	*
1054	* @thread EMT
1055	*/
1056	void Display::handleResizeCompletedEMT(unsigned uScreenId)
1057	{
1058	LogRelFlowFunc(("\n"));
1059
1060	do /* to use 'break' */
1061	{
1062	if (uScreenId >= mcMonitors)
1063	{
1064	break;
1065	}
1066
1067	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1068
1069	/* Try to into non resizing state. */
1070	bool f = ASMAtomicCmpXchgU32 (&pFBInfo->u32ResizeStatus, ResizeStatus_Void, ResizeStatus_UpdateDisplayData);
1071
1072	if (f == false)
1073	{
1074	/* This is not the display that has completed resizing. */
1075	AssertFailed();
1076	break;
1077	}
1078
1079	/* Check whether a resize is pending for this framebuffer. */
1080	if (pFBInfo->pendingResize.fPending)
1081	{
1082	/* Reset the condition, call the display resize with saved data and continue.
1083	*
1084	* Note: handleDisplayResize can call handleResizeCompletedEMT back,
1085	* but infinite recursion is not possible, because when the handleResizeCompletedEMT
1086	* is called, the pFBInfo->pendingResize.fPending is equal to false.
1087	*/
1088	pFBInfo->pendingResize.fPending = false;
1089	handleDisplayResize (uScreenId, pFBInfo->pendingResize.bpp, pFBInfo->pendingResize.pvVRAM,
1090	pFBInfo->pendingResize.cbLine, pFBInfo->pendingResize.w, pFBInfo->pendingResize.h,
1091	pFBInfo->pendingResize.flags);
1092	break;
1093	}
1094
1095	/* Inform VRDP server about the change of display parameters.
1096	* Must be done before calling NotifyUpdate below.
1097	*/
1098	LogRelFlowFunc(("Calling VRDP\n"));
1099	mParent->consoleVRDPServer()->SendResize();
1100
1101	/* @todo Merge these two 'if's within one 'if (!pFBInfo->pFramebuffer.isNull())' */
1102	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && !pFBInfo->pFramebuffer.isNull())
1103	{
1104	/* If the screen resize was because of disabling, tell framebuffer to repaint.
1105	* The framebuffer if now in default format so it will not use guest VRAM
1106	* and will show usually black image which is there after framebuffer resize.
1107	*/
1108	if (pFBInfo->fDisabled)
1109	pFBInfo->pFramebuffer->NotifyUpdate(0, 0, mpDrv->IConnector.cx, mpDrv->IConnector.cy);
1110	}
1111	else if (!pFBInfo->pFramebuffer.isNull())
1112	{
1113	/* If the screen resize was because of disabling, tell framebuffer to repaint.
1114	* The framebuffer if now in default format so it will not use guest VRAM
1115	* and will show usually black image which is there after framebuffer resize.
1116	*/
1117	if (pFBInfo->fDisabled)
1118	pFBInfo->pFramebuffer->NotifyUpdate(0, 0, pFBInfo->w, pFBInfo->h);
1119	}
1120	LogRelFlow(("[%d]: default format %d\n", uScreenId, pFBInfo->fDefaultFormat));
1121
1122	/* Handle the case if there are some saved visible region that needs to be
1123	* applied after the resize of the framebuffer is completed
1124	*/
1125	SaveSeamlessRectLock();
1126	PRTRECT pSavedVisibleRegion = pFBInfo->mpSavedVisibleRegion;
1127	uint32_t cSavedVisibleRegion = pFBInfo->mcSavedVisibleRegion;
1128	pFBInfo->mpSavedVisibleRegion = NULL;
1129	pFBInfo->mcSavedVisibleRegion = 0;
1130	SaveSeamlessRectUnLock();
1131
1132	if (pSavedVisibleRegion)
1133	{
1134	handleSetVisibleRegion(cSavedVisibleRegion, pSavedVisibleRegion);
1135	RTMemFree(pSavedVisibleRegion);
1136	}
1137
1138	#ifdef DEBUG_sunlover
1139	if (!g_stam)
1140	{
1141	Console::SafeVMPtr ptrVM(mParent);
1142	AssertComRC(ptrVM.rc());
1143	STAMR3RegisterU(ptrVM.rawUVM(), &g_StatDisplayRefresh, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS,
1144	"/PROF/Display/Refresh", STAMUNIT_TICKS_PER_CALL, "Time spent in EMT for display updates.");
1145	g_stam = 1;
1146	}
1147	#endif /* DEBUG_sunlover */
1148
1149	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
1150	{
1151	BOOL is3denabled;
1152	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
1153
1154	if (is3denabled)
1155	{
1156	VBOXCRCMDCTL_HGCM data;
1157	data.Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
1158	data.Hdr.u32Function = SHCRGL_HOST_FN_SCREEN_CHANGED;
1159
1160	data.aParms[0].type = VBOX_HGCM_SVC_PARM_32BIT;
1161	data.aParms[0].u.uint32 = uScreenId;
1162
1163	crCtlSubmitSync(&data.Hdr, sizeof (data));
1164	}
1165	}
1166	#endif /* VBOX_WITH_CROGL */
1167	} while(0);
1168	}
1169
1170	static void checkCoordBounds (int px, int py, int pw, int ph, int cx, int cy)
1171	{
1172	/* Correct negative x and y coordinates. */
1173	if (*px < 0)
1174	{
1175	px += pw; /* Compute xRight which is also the new width. */
1176
1177	pw = (px < 0)? 0: *px;
1178
1179	*px = 0;
1180	}
1181
1182	if (*py < 0)
1183	{
1184	py += ph; /* Compute xBottom, which is also the new height. */
1185
1186	ph = (py < 0)? 0: *py;
1187
1188	*py = 0;
1189	}
1190
1191	/* Also check if coords are greater than the display resolution. */
1192	if (px + pw > cx)
1193	{
1194	pw = cx > px? cx - *px: 0;
1195	}
1196
1197	if (py + ph > cy)
1198	{
1199	ph = cy > py? cy - *py: 0;
1200	}
1201	}
1202
1203	unsigned mapCoordsToScreen(DISPLAYFBINFO pInfos, unsigned cInfos, int px, int py, int pw, int *ph)
1204	{
1205	DISPLAYFBINFO *pInfo = pInfos;
1206	unsigned uScreenId;
1207	LogSunlover(("mapCoordsToScreen: %d,%d %dx%d\n", px, py, pw, ph));
1208	for (uScreenId = 0; uScreenId < cInfos; uScreenId++, pInfo++)
1209	{
1210	LogSunlover((" [%d] %d,%d %dx%d\n", uScreenId, pInfo->xOrigin, pInfo->yOrigin, pInfo->w, pInfo->h));
1211	if ( (pInfo->xOrigin <= px && px < pInfo->xOrigin + (int)pInfo->w)
1212	&& (pInfo->yOrigin <= py && py < pInfo->yOrigin + (int)pInfo->h))
1213	{
1214	/* The rectangle belongs to the screen. Correct coordinates. */
1215	*px -= pInfo->xOrigin;
1216	*py -= pInfo->yOrigin;
1217	LogSunlover((" -> %d,%d", px, py));
1218	break;
1219	}
1220	}
1221	if (uScreenId == cInfos)
1222	{
1223	/* Map to primary screen. */
1224	uScreenId = 0;
1225	}
1226	LogSunlover((" scr %d\n", uScreenId));
1227	return uScreenId;
1228	}
1229
1230
1231	/**
1232	* Handles display update event.
1233	*
1234	* @param x Update area x coordinate
1235	* @param y Update area y coordinate
1236	* @param w Update area width
1237	* @param h Update area height
1238	*
1239	* @thread EMT
1240	*/
1241	void Display::handleDisplayUpdateLegacy (int x, int y, int w, int h)
1242	{
1243	unsigned uScreenId = mapCoordsToScreen(maFramebuffers, mcMonitors, &x, &y, &w, &h);
1244
1245	#ifdef DEBUG_sunlover
1246	LogFlowFunc(("%d,%d %dx%d (checked)\n", x, y, w, h));
1247	#endif /* DEBUG_sunlover */
1248
1249	handleDisplayUpdate (uScreenId, x, y, w, h);
1250	}
1251
1252	void Display::handleDisplayUpdate (unsigned uScreenId, int x, int y, int w, int h)
1253	{
1254	/*
1255	* Always runs under either VBVA lock or, for HGSMI, DevVGA lock.
1256	* Safe to use VBVA vars and take the framebuffer lock.
1257	*/
1258
1259	#ifdef DEBUG_sunlover
1260	LogFlowFunc(("[%d] %d,%d %dx%d (%d,%d)\n",
1261	uScreenId, x, y, w, h, mpDrv->IConnector.cx, mpDrv->IConnector.cy));
1262	#endif /* DEBUG_sunlover */
1263
1264	IFramebuffer *pFramebuffer = maFramebuffers[uScreenId].pFramebuffer;
1265
1266	// if there is no framebuffer, this call is not interesting
1267	if ( pFramebuffer == NULL
1268	\|\| maFramebuffers[uScreenId].fDisabled)
1269	return;
1270
1271	pFramebuffer->Lock();
1272
1273	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1274	checkCoordBounds (&x, &y, &w, &h, mpDrv->IConnector.cx, mpDrv->IConnector.cy);
1275	else
1276	checkCoordBounds (&x, &y, &w, &h, maFramebuffers[uScreenId].w,
1277	maFramebuffers[uScreenId].h);
1278
1279	if (w != 0 && h != 0)
1280	pFramebuffer->NotifyUpdate(x, y, w, h);
1281
1282	pFramebuffer->Unlock();
1283
1284	#ifndef VBOX_WITH_HGSMI
1285	if (!mfVideoAccelEnabled)
1286	{
1287	#else
1288	if (!mfVideoAccelEnabled && !maFramebuffers[uScreenId].fVBVAEnabled)
1289	{
1290	#endif /* VBOX_WITH_HGSMI */
1291	/* When VBVA is enabled, the VRDP server is informed in the VideoAccelFlush.
1292	* Inform the server here only if VBVA is disabled.
1293	*/
1294	if (maFramebuffers[uScreenId].u32ResizeStatus == ResizeStatus_Void)
1295	mParent->consoleVRDPServer()->SendUpdateBitmap(uScreenId, x, y, w, h);
1296	}
1297	}
1298
1299	/**
1300	* Returns the upper left and lower right corners of the virtual framebuffer.
1301	* The lower right is "exclusive" (i.e. first pixel beyond the framebuffer),
1302	* and the origin is (0, 0), not (1, 1) like the GUI returns.
1303	*/
1304	void Display::getFramebufferDimensions(int32_t px1, int32_t py1,
1305	int32_t px2, int32_t py2)
1306	{
1307	int32_t x1 = 0, y1 = 0, x2 = 0, y2 = 0;
1308	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1309
1310	AssertPtrReturnVoid(px1);
1311	AssertPtrReturnVoid(py1);
1312	AssertPtrReturnVoid(px2);
1313	AssertPtrReturnVoid(py2);
1314	LogRelFlowFunc(("\n"));
1315
1316	if (!mpDrv)
1317	return;
1318	/* If VBVA is not in use then this flag will not be set and this
1319	* will still work as it should. */
1320	if (!maFramebuffers[0].fDisabled)
1321	{
1322	x1 = (int32_t)maFramebuffers[0].xOrigin;
1323	y1 = (int32_t)maFramebuffers[0].yOrigin;
1324	x2 = mpDrv->IConnector.cx + (int32_t)maFramebuffers[0].xOrigin;
1325	y2 = mpDrv->IConnector.cy + (int32_t)maFramebuffers[0].yOrigin;
1326	}
1327	for (unsigned i = 1; i < mcMonitors; ++i)
1328	{
1329	if (!maFramebuffers[i].fDisabled)
1330	{
1331	x1 = RT_MIN(x1, maFramebuffers[i].xOrigin);
1332	y1 = RT_MIN(y1, maFramebuffers[i].yOrigin);
1333	x2 = RT_MAX(x2, maFramebuffers[i].xOrigin
1334	+ (int32_t)maFramebuffers[i].w);
1335	y2 = RT_MAX(y2, maFramebuffers[i].yOrigin
1336	+ (int32_t)maFramebuffers[i].h);
1337	}
1338	}
1339	*px1 = x1;
1340	*py1 = y1;
1341	*px2 = x2;
1342	*py2 = y2;
1343	}
1344
1345	static bool displayIntersectRect(RTRECT *prectResult,
1346	const RTRECT *prect1,
1347	const RTRECT *prect2)
1348	{
1349	/* Initialize result to an empty record. */
1350	memset (prectResult, 0, sizeof (RTRECT));
1351
1352	int xLeftResult = RT_MAX(prect1->xLeft, prect2->xLeft);
1353	int xRightResult = RT_MIN(prect1->xRight, prect2->xRight);
1354
1355	if (xLeftResult < xRightResult)
1356	{
1357	/* There is intersection by X. */
1358
1359	int yTopResult = RT_MAX(prect1->yTop, prect2->yTop);
1360	int yBottomResult = RT_MIN(prect1->yBottom, prect2->yBottom);
1361
1362	if (yTopResult < yBottomResult)
1363	{
1364	/* There is intersection by Y. */
1365
1366	prectResult->xLeft = xLeftResult;
1367	prectResult->yTop = yTopResult;
1368	prectResult->xRight = xRightResult;
1369	prectResult->yBottom = yBottomResult;
1370
1371	return true;
1372	}
1373	}
1374
1375	return false;
1376	}
1377
1378	int Display::handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect)
1379	{
1380	RTRECT pVisibleRegion = (RTRECT )RTMemTmpAlloc( RT_MAX(cRect, 1)
1381	* sizeof (RTRECT));
1382	if (!pVisibleRegion)
1383	{
1384	return VERR_NO_TMP_MEMORY;
1385	}
1386
1387	unsigned uScreenId;
1388	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1389	{
1390	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1391
1392	if (!pFBInfo->pFramebuffer.isNull())
1393	{
1394	if (pFBInfo->u32ResizeStatus != ResizeStatus_Void)
1395	{
1396	/* handle the case where new rectangles are received from the GA
1397	* when framebuffer resizing is in progress.
1398	* Just save the rectangles to be applied for later time when FB resizing is complete
1399	* (from handleResizeCompletedEMT).
1400	* This is done to prevent a race condition where a new rectangles are received
1401	* from the GA after a resize event and framebuffer resizing is still in progress
1402	* As a result the coordinates of the framebuffer are still
1403	* not updated and hence there is no intersection with the new rectangles passed
1404	* for the new region (THis is checked in the above if condition ). With 0 intersection,
1405	* cRectVisibleRegions = 0 is returned to the GUI and if GUI has invalidated its
1406	* earlier region then it draws nothihing and seamless mode doesn't display the
1407	* guest desktop.
1408	*/
1409	SaveSeamlessRectLock();
1410	RTMemFree(pFBInfo->mpSavedVisibleRegion);
1411
1412	pFBInfo->mpSavedVisibleRegion = (RTRECT *)RTMemAlloc( RT_MAX(cRect, 1)
1413	* sizeof (RTRECT));
1414	if (pFBInfo->mpSavedVisibleRegion)
1415	{
1416	memcpy(pFBInfo->mpSavedVisibleRegion, pRect, cRect * sizeof(RTRECT));
1417	pFBInfo->mcSavedVisibleRegion = cRect;
1418	}
1419	else
1420	{
1421	pFBInfo->mcSavedVisibleRegion = 0;
1422	}
1423	SaveSeamlessRectUnLock();
1424	continue;
1425	}
1426	/* Prepare a new array of rectangles which intersect with the framebuffer.
1427	*/
1428	RTRECT rectFramebuffer;
1429	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1430	{
1431	rectFramebuffer.xLeft = 0;
1432	rectFramebuffer.yTop = 0;
1433	if (mpDrv)
1434	{
1435	rectFramebuffer.xRight = mpDrv->IConnector.cx;
1436	rectFramebuffer.yBottom = mpDrv->IConnector.cy;
1437	}
1438	else
1439	{
1440	rectFramebuffer.xRight = 0;
1441	rectFramebuffer.yBottom = 0;
1442	}
1443	}
1444	else
1445	{
1446	rectFramebuffer.xLeft = pFBInfo->xOrigin;
1447	rectFramebuffer.yTop = pFBInfo->yOrigin;
1448	rectFramebuffer.xRight = pFBInfo->xOrigin + pFBInfo->w;
1449	rectFramebuffer.yBottom = pFBInfo->yOrigin + pFBInfo->h;
1450	}
1451
1452	uint32_t cRectVisibleRegion = 0;
1453
1454	uint32_t i;
1455	for (i = 0; i < cRect; i++)
1456	{
1457	if (displayIntersectRect(&pVisibleRegion[cRectVisibleRegion], &pRect[i], &rectFramebuffer))
1458	{
1459	pVisibleRegion[cRectVisibleRegion].xLeft -= pFBInfo->xOrigin;
1460	pVisibleRegion[cRectVisibleRegion].yTop -= pFBInfo->yOrigin;
1461	pVisibleRegion[cRectVisibleRegion].xRight -= pFBInfo->xOrigin;
1462	pVisibleRegion[cRectVisibleRegion].yBottom -= pFBInfo->yOrigin;
1463
1464	cRectVisibleRegion++;
1465	}
1466	}
1467	pFBInfo->pFramebuffer->SetVisibleRegion((BYTE *)pVisibleRegion, cRectVisibleRegion);
1468	}
1469	}
1470
1471	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
1472	BOOL is3denabled = FALSE;
1473
1474	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
1475
1476	VMMDev *vmmDev = mParent->getVMMDev();
1477	if (is3denabled && vmmDev)
1478	{
1479	if (mhCrOglSvc)
1480	{
1481	VBOXCRCMDCTL_HGCM pCtl = (VBOXCRCMDCTL_HGCM)RTMemAlloc(RT_MAX(cRect, 1) * sizeof (RTRECT)
1482	+ sizeof (VBOXCRCMDCTL_HGCM));
1483	if (pCtl)
1484	{
1485	RTRECT pRectsCopy = (RTRECT)(pCtl+1);
1486	memcpy(pRectsCopy, pRect, cRect * sizeof (RTRECT));
1487
1488	pCtl->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
1489	pCtl->Hdr.u32Function = SHCRGL_HOST_FN_SET_VISIBLE_REGION;
1490
1491	pCtl->aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
1492	pCtl->aParms[0].u.pointer.addr = pRectsCopy;
1493	pCtl->aParms[0].u.pointer.size = cRect * sizeof (RTRECT);
1494
1495	int rc = crCtlSubmit(&pCtl->Hdr, sizeof (*pCtl), displayCrCmdFree, pCtl);
1496	if (!RT_SUCCESS(rc))
1497	{
1498	AssertMsgFailed(("crCtlSubmit failed rc %d\n", rc));
1499	RTMemFree(pCtl);
1500	}
1501	}
1502	else
1503	AssertMsgFailed(("failed to allocate rects memory\n"));
1504	}
1505	else
1506	AssertMsgFailed(("mhCrOglSvc is NULL\n"));
1507	}
1508	#endif
1509
1510	RTMemTmpFree(pVisibleRegion);
1511
1512	return VINF_SUCCESS;
1513	}
1514
1515	int Display::handleQueryVisibleRegion(uint32_t *pcRect, PRTRECT pRect)
1516	{
1517	// @todo Currently not used by the guest and is not implemented in framebuffers. Remove?
1518	return VERR_NOT_SUPPORTED;
1519	}
1520
1521	typedef struct _VBVADIRTYREGION
1522	{
1523	/* Copies of object's pointers used by vbvaRgn functions. */
1524	DISPLAYFBINFO *paFramebuffers;
1525	unsigned cMonitors;
1526	Display *pDisplay;
1527	PPDMIDISPLAYPORT pPort;
1528
1529	} VBVADIRTYREGION;
1530
1531	static void vbvaRgnInit (VBVADIRTYREGION prgn, DISPLAYFBINFO paFramebuffers, unsigned cMonitors,
1532	Display *pd, PPDMIDISPLAYPORT pp)
1533	{
1534	prgn->paFramebuffers = paFramebuffers;
1535	prgn->cMonitors = cMonitors;
1536	prgn->pDisplay = pd;
1537	prgn->pPort = pp;
1538
1539	unsigned uScreenId;
1540	for (uScreenId = 0; uScreenId < cMonitors; uScreenId++)
1541	{
1542	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1543
1544	RT_ZERO(pFBInfo->dirtyRect);
1545	}
1546	}
1547
1548	static void vbvaRgnDirtyRect (VBVADIRTYREGION prgn, unsigned uScreenId, VBVACMDHDR phdr)
1549	{
1550	LogSunlover(("x = %d, y = %d, w = %d, h = %d\n",
1551	phdr->x, phdr->y, phdr->w, phdr->h));
1552
1553	/*
1554	* Here update rectangles are accumulated to form an update area.
1555	* @todo
1556	* Now the simplest method is used which builds one rectangle that
1557	* includes all update areas. A bit more advanced method can be
1558	* employed here. The method should be fast however.
1559	*/
1560	if (phdr->w == 0 \|\| phdr->h == 0)
1561	{
1562	/* Empty rectangle. */
1563	return;
1564	}
1565
1566	int32_t xRight = phdr->x + phdr->w;
1567	int32_t yBottom = phdr->y + phdr->h;
1568
1569	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1570
1571	if (pFBInfo->dirtyRect.xRight == 0)
1572	{
1573	/* This is the first rectangle to be added. */
1574	pFBInfo->dirtyRect.xLeft = phdr->x;
1575	pFBInfo->dirtyRect.yTop = phdr->y;
1576	pFBInfo->dirtyRect.xRight = xRight;
1577	pFBInfo->dirtyRect.yBottom = yBottom;
1578	}
1579	else
1580	{
1581	/* Adjust region coordinates. */
1582	if (pFBInfo->dirtyRect.xLeft > phdr->x)
1583	{
1584	pFBInfo->dirtyRect.xLeft = phdr->x;
1585	}
1586
1587	if (pFBInfo->dirtyRect.yTop > phdr->y)
1588	{
1589	pFBInfo->dirtyRect.yTop = phdr->y;
1590	}
1591
1592	if (pFBInfo->dirtyRect.xRight < xRight)
1593	{
1594	pFBInfo->dirtyRect.xRight = xRight;
1595	}
1596
1597	if (pFBInfo->dirtyRect.yBottom < yBottom)
1598	{
1599	pFBInfo->dirtyRect.yBottom = yBottom;
1600	}
1601	}
1602
1603	if (pFBInfo->fDefaultFormat)
1604	{
1605	//@todo pfnUpdateDisplayRect must take the vram offset parameter for the framebuffer
1606	prgn->pPort->pfnUpdateDisplayRect (prgn->pPort, phdr->x, phdr->y, phdr->w, phdr->h);
1607	prgn->pDisplay->handleDisplayUpdateLegacy (phdr->x + pFBInfo->xOrigin,
1608	phdr->y + pFBInfo->yOrigin, phdr->w, phdr->h);
1609	}
1610
1611	return;
1612	}
1613
1614	static void vbvaRgnUpdateFramebuffer (VBVADIRTYREGION *prgn, unsigned uScreenId)
1615	{
1616	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1617
1618	uint32_t w = pFBInfo->dirtyRect.xRight - pFBInfo->dirtyRect.xLeft;
1619	uint32_t h = pFBInfo->dirtyRect.yBottom - pFBInfo->dirtyRect.yTop;
1620
1621	if (!pFBInfo->fDefaultFormat && pFBInfo->pFramebuffer && w != 0 && h != 0)
1622	{
1623	//@todo pfnUpdateDisplayRect must take the vram offset parameter for the framebuffer
1624	prgn->pPort->pfnUpdateDisplayRect (prgn->pPort, pFBInfo->dirtyRect.xLeft, pFBInfo->dirtyRect.yTop, w, h);
1625	prgn->pDisplay->handleDisplayUpdateLegacy (pFBInfo->dirtyRect.xLeft + pFBInfo->xOrigin,
1626	pFBInfo->dirtyRect.yTop + pFBInfo->yOrigin, w, h);
1627	}
1628	}
1629
1630	static void vbvaSetMemoryFlags (VBVAMEMORY *pVbvaMemory,
1631	bool fVideoAccelEnabled,
1632	bool fVideoAccelVRDP,
1633	uint32_t fu32SupportedOrders,
1634	DISPLAYFBINFO *paFBInfos,
1635	unsigned cFBInfos)
1636	{
1637	if (pVbvaMemory)
1638	{
1639	/* This called only on changes in mode. So reset VRDP always. */
1640	uint32_t fu32Flags = VBVA_F_MODE_VRDP_RESET;
1641
1642	if (fVideoAccelEnabled)
1643	{
1644	fu32Flags \|= VBVA_F_MODE_ENABLED;
1645
1646	if (fVideoAccelVRDP)
1647	{
1648	fu32Flags \|= VBVA_F_MODE_VRDP \| VBVA_F_MODE_VRDP_ORDER_MASK;
1649
1650	pVbvaMemory->fu32SupportedOrders = fu32SupportedOrders;
1651	}
1652	}
1653
1654	pVbvaMemory->fu32ModeFlags = fu32Flags;
1655	}
1656
1657	unsigned uScreenId;
1658	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1659	{
1660	if (paFBInfos[uScreenId].pHostEvents)
1661	{
1662	paFBInfos[uScreenId].pHostEvents->fu32Events \|= VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1663	}
1664	}
1665	}
1666
1667	#ifdef VBOX_WITH_HGSMI
1668	static void vbvaSetMemoryFlagsHGSMI (unsigned uScreenId,
1669	uint32_t fu32SupportedOrders,
1670	bool fVideoAccelVRDP,
1671	DISPLAYFBINFO *pFBInfo)
1672	{
1673	LogRelFlowFunc(("HGSMI[%d]: %p\n", uScreenId, pFBInfo->pVBVAHostFlags));
1674
1675	if (pFBInfo->pVBVAHostFlags)
1676	{
1677	uint32_t fu32HostEvents = VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1678
1679	if (pFBInfo->fVBVAEnabled)
1680	{
1681	fu32HostEvents \|= VBVA_F_MODE_ENABLED;
1682
1683	if (fVideoAccelVRDP)
1684	{
1685	fu32HostEvents \|= VBVA_F_MODE_VRDP;
1686	}
1687	}
1688
1689	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32HostEvents, fu32HostEvents);
1690	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32SupportedOrders, fu32SupportedOrders);
1691
1692	LogRelFlowFunc((" fu32HostEvents = 0x%08X, fu32SupportedOrders = 0x%08X\n", fu32HostEvents, fu32SupportedOrders));
1693	}
1694	}
1695
1696	static void vbvaSetMemoryFlagsAllHGSMI (uint32_t fu32SupportedOrders,
1697	bool fVideoAccelVRDP,
1698	DISPLAYFBINFO *paFBInfos,
1699	unsigned cFBInfos)
1700	{
1701	unsigned uScreenId;
1702
1703	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1704	{
1705	vbvaSetMemoryFlagsHGSMI(uScreenId, fu32SupportedOrders, fVideoAccelVRDP, &paFBInfos[uScreenId]);
1706	}
1707	}
1708	#endif /* VBOX_WITH_HGSMI */
1709
1710	bool Display::VideoAccelAllowed (void)
1711	{
1712	return true;
1713	}
1714
1715	int Display::vbvaLock(void)
1716	{
1717	return RTCritSectEnter(&mVBVALock);
1718	}
1719
1720	void Display::vbvaUnlock(void)
1721	{
1722	RTCritSectLeave(&mVBVALock);
1723	}
1724
1725	int Display::SaveSeamlessRectLock(void)
1726	{
1727	return RTCritSectEnter(&mSaveSeamlessRectLock);
1728	}
1729
1730	void Display::SaveSeamlessRectUnLock(void)
1731	{
1732	RTCritSectLeave(&mSaveSeamlessRectLock);
1733	}
1734
1735
1736	/**
1737	* @thread EMT
1738	*/
1739	int Display::VideoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
1740	{
1741	int rc;
1742	vbvaLock();
1743	rc = videoAccelEnable (fEnable, pVbvaMemory);
1744	vbvaUnlock();
1745	return rc;
1746	}
1747
1748	int Display::videoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
1749	{
1750	int rc = VINF_SUCCESS;
1751
1752	/* Called each time the guest wants to use acceleration,
1753	* or when the VGA device disables acceleration,
1754	* or when restoring the saved state with accel enabled.
1755	*
1756	* VGA device disables acceleration on each video mode change
1757	* and on reset.
1758	*
1759	* Guest enabled acceleration at will. And it has to enable
1760	* acceleration after a mode change.
1761	*/
1762	LogRelFlowFunc(("mfVideoAccelEnabled = %d, fEnable = %d, pVbvaMemory = %p\n",
1763	mfVideoAccelEnabled, fEnable, pVbvaMemory));
1764
1765	/* Strictly check parameters. Callers must not pass anything in the case. */
1766	Assert((fEnable && pVbvaMemory) \|\| (!fEnable && pVbvaMemory == NULL));
1767
1768	if (!VideoAccelAllowed ())
1769	return VERR_NOT_SUPPORTED;
1770
1771	/*
1772	* Verify that the VM is in running state. If it is not,
1773	* then this must be postponed until it goes to running.
1774	*/
1775	if (!mfMachineRunning)
1776	{
1777	Assert (!mfVideoAccelEnabled);
1778
1779	LogRelFlowFunc(("Machine is not yet running.\n"));
1780
1781	if (fEnable)
1782	{
1783	mfPendingVideoAccelEnable = fEnable;
1784	mpPendingVbvaMemory = pVbvaMemory;
1785	}
1786
1787	return rc;
1788	}
1789
1790	/* Check that current status is not being changed */
1791	if (mfVideoAccelEnabled == fEnable)
1792	return rc;
1793
1794	if (mfVideoAccelEnabled)
1795	{
1796	/* Process any pending orders and empty the VBVA ring buffer. */
1797	videoAccelFlush ();
1798	}
1799
1800	if (!fEnable && mpVbvaMemory)
1801	mpVbvaMemory->fu32ModeFlags &= ~VBVA_F_MODE_ENABLED;
1802
1803	/* Safety precaution. There is no more VBVA until everything is setup! */
1804	mpVbvaMemory = NULL;
1805	mfVideoAccelEnabled = false;
1806
1807	/* Update entire display. */
1808	if (maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].u32ResizeStatus == ResizeStatus_Void)
1809	mpDrv->pUpPort->pfnUpdateDisplayAll(mpDrv->pUpPort);
1810
1811	/* Everything OK. VBVA status can be changed. */
1812
1813	/* Notify the VMMDev, which saves VBVA status in the saved state,
1814	* and needs to know current status.
1815	*/
1816	VMMDev *pVMMDev = mParent->getVMMDev();
1817	if (pVMMDev)
1818	{
1819	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1820	if (pVMMDevPort)
1821	pVMMDevPort->pfnVBVAChange(pVMMDevPort, fEnable);
1822	}
1823
1824	if (fEnable)
1825	{
1826	mpVbvaMemory = pVbvaMemory;
1827	mfVideoAccelEnabled = true;
1828
1829	/* Initialize the hardware memory. */
1830	vbvaSetMemoryFlags(mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
1831	mpVbvaMemory->off32Data = 0;
1832	mpVbvaMemory->off32Free = 0;
1833
1834	memset(mpVbvaMemory->aRecords, 0, sizeof (mpVbvaMemory->aRecords));
1835	mpVbvaMemory->indexRecordFirst = 0;
1836	mpVbvaMemory->indexRecordFree = 0;
1837
1838	mfu32PendingVideoAccelDisable = false;
1839
1840	LogRel(("VBVA: Enabled.\n"));
1841	}
1842	else
1843	{
1844	LogRel(("VBVA: Disabled.\n"));
1845	}
1846
1847	LogRelFlowFunc(("VideoAccelEnable: rc = %Rrc.\n", rc));
1848
1849	return rc;
1850	}
1851
1852	/* Called always by one VRDP server thread. Can be thread-unsafe.
1853	*/
1854	void Display::VideoAccelVRDP (bool fEnable)
1855	{
1856	LogRelFlowFunc(("fEnable = %d\n", fEnable));
1857
1858	vbvaLock();
1859
1860	int c = fEnable?
1861	ASMAtomicIncS32 (&mcVideoAccelVRDPRefs):
1862	ASMAtomicDecS32 (&mcVideoAccelVRDPRefs);
1863
1864	Assert (c >= 0);
1865
1866	if (c == 0)
1867	{
1868	/* The last client has disconnected, and the accel can be
1869	* disabled.
1870	*/
1871	Assert (fEnable == false);
1872
1873	mfVideoAccelVRDP = false;
1874	mfu32SupportedOrders = 0;
1875
1876	vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders,
1877	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 disabled.\n"));
1884	}
1885	else if ( c == 1
1886	&& !mfVideoAccelVRDP)
1887	{
1888	/* The first client has connected. Enable the accel.
1889	*/
1890	Assert (fEnable == true);
1891
1892	mfVideoAccelVRDP = true;
1893	/* Supporting all orders. */
1894	mfu32SupportedOrders = ~0;
1895
1896	vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders,
1897	maFramebuffers, mcMonitors);
1898	#ifdef VBOX_WITH_HGSMI
1899	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1900	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1901	#endif /* VBOX_WITH_HGSMI */
1902
1903	LogRel(("VBVA: VRDP acceleration has been requested.\n"));
1904	}
1905	else
1906	{
1907	/* A client is connected or disconnected but there is no change in the
1908	* accel state. It remains enabled.
1909	*/
1910	Assert (mfVideoAccelVRDP == true);
1911	}
1912	vbvaUnlock();
1913	}
1914
1915	static bool vbvaVerifyRingBuffer (VBVAMEMORY *pVbvaMemory)
1916	{
1917	return true;
1918	}
1919
1920	static void vbvaFetchBytes (VBVAMEMORY pVbvaMemory, uint8_t pu8Dst, uint32_t cbDst)
1921	{
1922	if (cbDst >= VBVA_RING_BUFFER_SIZE)
1923	{
1924	AssertMsgFailed (("cbDst = 0x%08X, ring buffer size 0x%08X\n", cbDst, VBVA_RING_BUFFER_SIZE));
1925	return;
1926	}
1927
1928	uint32_t u32BytesTillBoundary = VBVA_RING_BUFFER_SIZE - pVbvaMemory->off32Data;
1929	uint8_t *src = &pVbvaMemory->au8RingBuffer[pVbvaMemory->off32Data];
1930	int32_t i32Diff = cbDst - u32BytesTillBoundary;
1931
1932	if (i32Diff <= 0)
1933	{
1934	/* Chunk will not cross buffer boundary. */
1935	memcpy (pu8Dst, src, cbDst);
1936	}
1937	else
1938	{
1939	/* Chunk crosses buffer boundary. */
1940	memcpy (pu8Dst, src, u32BytesTillBoundary);
1941	memcpy (pu8Dst + u32BytesTillBoundary, &pVbvaMemory->au8RingBuffer[0], i32Diff);
1942	}
1943
1944	/* Advance data offset. */
1945	pVbvaMemory->off32Data = (pVbvaMemory->off32Data + cbDst) % VBVA_RING_BUFFER_SIZE;
1946
1947	return;
1948	}
1949
1950
1951	static bool vbvaPartialRead (uint8_t *ppu8, uint32_t pcb, uint32_t cbRecord, VBVAMEMORY *pVbvaMemory)
1952	{
1953	uint8_t *pu8New;
1954
1955	LogFlow(("MAIN::DisplayImpl::vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n",
1956	ppu8, pcb, cbRecord));
1957
1958	if (*ppu8)
1959	{
1960	Assert (*pcb);
1961	pu8New = (uint8_t )RTMemRealloc (ppu8, cbRecord);
1962	}
1963	else
1964	{
1965	Assert (!*pcb);
1966	pu8New = (uint8_t *)RTMemAlloc (cbRecord);
1967	}
1968
1969	if (!pu8New)
1970	{
1971	/* Memory allocation failed, fail the function. */
1972	Log(("MAIN::vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n",
1973	cbRecord));
1974
1975	if (*ppu8)
1976	{
1977	RTMemFree (*ppu8);
1978	}
1979
1980	*ppu8 = NULL;
1981	*pcb = 0;
1982
1983	return false;
1984	}
1985
1986	/* Fetch data from the ring buffer. */
1987	vbvaFetchBytes (pVbvaMemory, pu8New + pcb, cbRecord - pcb);
1988
1989	*ppu8 = pu8New;
1990	*pcb = cbRecord;
1991
1992	return true;
1993	}
1994
1995	/* For contiguous chunks just return the address in the buffer.
1996	* For crossing boundary - allocate a buffer from heap.
1997	*/
1998	bool Display::vbvaFetchCmd (VBVACMDHDR *ppHdr, uint32_t pcbCmd)
1999	{
2000	uint32_t indexRecordFirst = mpVbvaMemory->indexRecordFirst;
2001	uint32_t indexRecordFree = mpVbvaMemory->indexRecordFree;
2002
2003	#ifdef DEBUG_sunlover
2004	LogFlowFunc(("first = %d, free = %d\n",
2005	indexRecordFirst, indexRecordFree));
2006	#endif /* DEBUG_sunlover */
2007
2008	if (!vbvaVerifyRingBuffer (mpVbvaMemory))
2009	{
2010	return false;
2011	}
2012
2013	if (indexRecordFirst == indexRecordFree)
2014	{
2015	/* No records to process. Return without assigning output variables. */
2016	return true;
2017	}
2018
2019	VBVARECORD *pRecord = &mpVbvaMemory->aRecords[indexRecordFirst];
2020
2021	#ifdef DEBUG_sunlover
2022	LogFlowFunc(("cbRecord = 0x%08X\n", pRecord->cbRecord));
2023	#endif /* DEBUG_sunlover */
2024
2025	uint32_t cbRecord = pRecord->cbRecord & ~VBVA_F_RECORD_PARTIAL;
2026
2027	if (mcbVbvaPartial)
2028	{
2029	/* There is a partial read in process. Continue with it. */
2030
2031	Assert (mpu8VbvaPartial);
2032
2033	LogFlowFunc(("continue partial record mcbVbvaPartial = %d cbRecord 0x%08X, first = %d, free = %d\n",
2034	mcbVbvaPartial, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
2035
2036	if (cbRecord > mcbVbvaPartial)
2037	{
2038	/* New data has been added to the record. */
2039	if (!vbvaPartialRead (&mpu8VbvaPartial, &mcbVbvaPartial, cbRecord, mpVbvaMemory))
2040	{
2041	return false;
2042	}
2043	}
2044
2045	if (!(pRecord->cbRecord & VBVA_F_RECORD_PARTIAL))
2046	{
2047	/* The record is completed by guest. Return it to the caller. */
2048	ppHdr = (VBVACMDHDR )mpu8VbvaPartial;
2049	*pcbCmd = mcbVbvaPartial;
2050
2051	mpu8VbvaPartial = NULL;
2052	mcbVbvaPartial = 0;
2053
2054	/* Advance the record index. */
2055	mpVbvaMemory->indexRecordFirst = (indexRecordFirst + 1) % VBVA_MAX_RECORDS;
2056
2057	#ifdef DEBUG_sunlover
2058	LogFlowFunc(("partial done ok, data = %d, free = %d\n",
2059	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
2060	#endif /* DEBUG_sunlover */
2061	}
2062
2063	return true;
2064	}
2065
2066	/* A new record need to be processed. */
2067	if (pRecord->cbRecord & VBVA_F_RECORD_PARTIAL)
2068	{
2069	/* Current record is being written by guest. '=' is important here. */
2070	if (cbRecord >= VBVA_RING_BUFFER_SIZE - VBVA_RING_BUFFER_THRESHOLD)
2071	{
2072	/* Partial read must be started. */
2073	if (!vbvaPartialRead (&mpu8VbvaPartial, &mcbVbvaPartial, cbRecord, mpVbvaMemory))
2074	{
2075	return false;
2076	}
2077
2078	LogFlowFunc(("started partial record mcbVbvaPartial = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n",
2079	mcbVbvaPartial, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
2080	}
2081
2082	return true;
2083	}
2084
2085	/* Current record is complete. If it is not empty, process it. */
2086	if (cbRecord)
2087	{
2088	/* The size of largest contiguous chunk in the ring biffer. */
2089	uint32_t u32BytesTillBoundary = VBVA_RING_BUFFER_SIZE - mpVbvaMemory->off32Data;
2090
2091	/* The ring buffer pointer. */
2092	uint8_t *au8RingBuffer = &mpVbvaMemory->au8RingBuffer[0];
2093
2094	/* The pointer to data in the ring buffer. */
2095	uint8_t *src = &au8RingBuffer[mpVbvaMemory->off32Data];
2096
2097	/* Fetch or point the data. */
2098	if (u32BytesTillBoundary >= cbRecord)
2099	{
2100	/* The command does not cross buffer boundary. Return address in the buffer. */
2101	ppHdr = (VBVACMDHDR )src;
2102
2103	/* Advance data offset. */
2104	mpVbvaMemory->off32Data = (mpVbvaMemory->off32Data + cbRecord) % VBVA_RING_BUFFER_SIZE;
2105	}
2106	else
2107	{
2108	/* The command crosses buffer boundary. Rare case, so not optimized. */
2109	uint8_t dst = (uint8_t )RTMemAlloc (cbRecord);
2110
2111	if (!dst)
2112	{
2113	LogRelFlowFunc(("could not allocate %d bytes from heap!!!\n", cbRecord));
2114	mpVbvaMemory->off32Data = (mpVbvaMemory->off32Data + cbRecord) % VBVA_RING_BUFFER_SIZE;
2115	return false;
2116	}
2117
2118	vbvaFetchBytes (mpVbvaMemory, dst, cbRecord);
2119
2120	ppHdr = (VBVACMDHDR )dst;
2121
2122	#ifdef DEBUG_sunlover
2123	LogFlowFunc(("Allocated from heap %p\n", dst));
2124	#endif /* DEBUG_sunlover */
2125	}
2126	}
2127
2128	*pcbCmd = cbRecord;
2129
2130	/* Advance the record index. */
2131	mpVbvaMemory->indexRecordFirst = (indexRecordFirst + 1) % VBVA_MAX_RECORDS;
2132
2133	#ifdef DEBUG_sunlover
2134	LogFlowFunc(("done ok, data = %d, free = %d\n",
2135	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
2136	#endif /* DEBUG_sunlover */
2137
2138	return true;
2139	}
2140
2141	void Display::vbvaReleaseCmd (VBVACMDHDR *pHdr, int32_t cbCmd)
2142	{
2143	uint8_t *au8RingBuffer = mpVbvaMemory->au8RingBuffer;
2144
2145	if ( (uint8_t *)pHdr >= au8RingBuffer
2146	&& (uint8_t *)pHdr < &au8RingBuffer[VBVA_RING_BUFFER_SIZE])
2147	{
2148	/* The pointer is inside ring buffer. Must be continuous chunk. */
2149	Assert (VBVA_RING_BUFFER_SIZE - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);
2150
2151	/* Do nothing. */
2152
2153	Assert (!mpu8VbvaPartial && mcbVbvaPartial == 0);
2154	}
2155	else
2156	{
2157	/* The pointer is outside. It is then an allocated copy. */
2158
2159	#ifdef DEBUG_sunlover
2160	LogFlowFunc(("Free heap %p\n", pHdr));
2161	#endif /* DEBUG_sunlover */
2162
2163	if ((uint8_t *)pHdr == mpu8VbvaPartial)
2164	{
2165	mpu8VbvaPartial = NULL;
2166	mcbVbvaPartial = 0;
2167	}
2168	else
2169	{
2170	Assert (!mpu8VbvaPartial && mcbVbvaPartial == 0);
2171	}
2172
2173	RTMemFree (pHdr);
2174	}
2175
2176	return;
2177	}
2178
2179
2180	/**
2181	* Called regularly on the DisplayRefresh timer.
2182	* Also on behalf of guest, when the ring buffer is full.
2183	*
2184	* @thread EMT
2185	*/
2186	void Display::VideoAccelFlush (void)
2187	{
2188	vbvaLock();
2189	videoAccelFlush();
2190	vbvaUnlock();
2191	}
2192
2193	/* Under VBVA lock. DevVGA is not taken. */
2194	void Display::videoAccelFlush (void)
2195	{
2196	#ifdef DEBUG_sunlover_2
2197	LogFlowFunc(("mfVideoAccelEnabled = %d\n", mfVideoAccelEnabled));
2198	#endif /* DEBUG_sunlover_2 */
2199
2200	if (!mfVideoAccelEnabled)
2201	{
2202	Log(("Display::VideoAccelFlush: called with disabled VBVA!!! Ignoring.\n"));
2203	return;
2204	}
2205
2206	/* Here VBVA is enabled and we have the accelerator memory pointer. */
2207	Assert(mpVbvaMemory);
2208
2209	#ifdef DEBUG_sunlover_2
2210	LogFlowFunc(("indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
2211	mpVbvaMemory->indexRecordFirst, mpVbvaMemory->indexRecordFree,
2212	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
2213	#endif /* DEBUG_sunlover_2 */
2214
2215	/* Quick check for "nothing to update" case. */
2216	if (mpVbvaMemory->indexRecordFirst == mpVbvaMemory->indexRecordFree)
2217	{
2218	return;
2219	}
2220
2221	/* Process the ring buffer */
2222	unsigned uScreenId;
2223
2224	/* Initialize dirty rectangles accumulator. */
2225	VBVADIRTYREGION rgn;
2226	vbvaRgnInit (&rgn, maFramebuffers, mcMonitors, this, mpDrv->pUpPort);
2227
2228	for (;;)
2229	{
2230	VBVACMDHDR *phdr = NULL;
2231	uint32_t cbCmd = ~0;
2232
2233	/* Fetch the command data. */
2234	if (!vbvaFetchCmd (&phdr, &cbCmd))
2235	{
2236	Log(("Display::VideoAccelFlush: unable to fetch command. off32Data = %d, off32Free = %d. Disabling VBVA!!!\n",
2237	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
2238
2239	/* Disable VBVA on those processing errors. */
2240	videoAccelEnable (false, NULL);
2241
2242	break;
2243	}
2244
2245	if (cbCmd == uint32_t(~0))
2246	{
2247	/* No more commands yet in the queue. */
2248	break;
2249	}
2250
2251	if (cbCmd != 0)
2252	{
2253	#ifdef DEBUG_sunlover
2254	LogFlowFunc(("hdr: cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
2255	cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
2256	#endif /* DEBUG_sunlover */
2257
2258	VBVACMDHDR hdrSaved = *phdr;
2259
2260	int x = phdr->x;
2261	int y = phdr->y;
2262	int w = phdr->w;
2263	int h = phdr->h;
2264
2265	uScreenId = mapCoordsToScreen(maFramebuffers, mcMonitors, &x, &y, &w, &h);
2266
2267	phdr->x = (int16_t)x;
2268	phdr->y = (int16_t)y;
2269	phdr->w = (uint16_t)w;
2270	phdr->h = (uint16_t)h;
2271
2272	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
2273
2274	if (pFBInfo->u32ResizeStatus == ResizeStatus_Void)
2275	{
2276	/* Handle the command.
2277	*
2278	* Guest is responsible for updating the guest video memory.
2279	* The Windows guest does all drawing using Eng*.
2280	*
2281	* For local output, only dirty rectangle information is used
2282	* to update changed areas.
2283	*
2284	* Dirty rectangles are accumulated to exclude overlapping updates and
2285	* group small updates to a larger one.
2286	*/
2287
2288	/* Accumulate the update. */
2289	vbvaRgnDirtyRect (&rgn, uScreenId, phdr);
2290
2291	/* Forward the command to VRDP server. */
2292	mParent->consoleVRDPServer()->SendUpdate (uScreenId, phdr, cbCmd);
2293
2294	*phdr = hdrSaved;
2295	}
2296	}
2297
2298	vbvaReleaseCmd (phdr, cbCmd);
2299	}
2300
2301	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
2302	{
2303	if (maFramebuffers[uScreenId].u32ResizeStatus == ResizeStatus_Void)
2304	{
2305	/* Draw the framebuffer. */
2306	vbvaRgnUpdateFramebuffer (&rgn, uScreenId);
2307	}
2308	}
2309	}
2310
2311	int Display::videoAccelRefreshProcess(void)
2312	{
2313	int rc = VWRN_INVALID_STATE; /* Default is to do a display update in VGA device. */
2314
2315	vbvaLock();
2316
2317	if (ASMAtomicCmpXchgU32(&mfu32PendingVideoAccelDisable, false, true))
2318	{
2319	videoAccelEnable (false, NULL);
2320	}
2321	else if (mfPendingVideoAccelEnable)
2322	{
2323	/* Acceleration was enabled while machine was not yet running
2324	* due to restoring from saved state. Update entire display and
2325	* actually enable acceleration.
2326	*/
2327	Assert(mpPendingVbvaMemory);
2328
2329	/* Acceleration can not be yet enabled.*/
2330	Assert(mpVbvaMemory == NULL);
2331	Assert(!mfVideoAccelEnabled);
2332
2333	if (mfMachineRunning)
2334	{
2335	videoAccelEnable (mfPendingVideoAccelEnable,
2336	mpPendingVbvaMemory);
2337
2338	/* Reset the pending state. */
2339	mfPendingVideoAccelEnable = false;
2340	mpPendingVbvaMemory = NULL;
2341	}
2342
2343	rc = VINF_TRY_AGAIN;
2344	}
2345	else
2346	{
2347	Assert(mpPendingVbvaMemory == NULL);
2348
2349	if (mfVideoAccelEnabled)
2350	{
2351	Assert(mpVbvaMemory);
2352	videoAccelFlush ();
2353
2354	rc = VINF_SUCCESS; /* VBVA processed, no need to a display update. */
2355	}
2356	}
2357
2358	vbvaUnlock();
2359
2360	return rc;
2361	}
2362
2363
2364	// IDisplay methods
2365	/////////////////////////////////////////////////////////////////////////////
2366	STDMETHODIMP Display::GetScreenResolution (ULONG aScreenId,
2367	ULONG aWidth, ULONG aHeight, ULONG *aBitsPerPixel,
2368	LONG aXOrigin, LONG aYOrigin)
2369	{
2370	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2371
2372	AutoCaller autoCaller(this);
2373	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2374
2375	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2376
2377	uint32_t u32Width = 0;
2378	uint32_t u32Height = 0;
2379	uint32_t u32BitsPerPixel = 0;
2380	int32_t xOrigin = 0;
2381	int32_t yOrigin = 0;
2382
2383	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2384	{
2385	if (mpDrv)
2386	{
2387	u32Width = mpDrv->IConnector.cx;
2388	u32Height = mpDrv->IConnector.cy;
2389	int rc = mpDrv->pUpPort->pfnQueryColorDepth(mpDrv->pUpPort, &u32BitsPerPixel);
2390	AssertRC(rc);
2391	}
2392	}
2393	else if (aScreenId < mcMonitors)
2394	{
2395	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2396	u32Width = pFBInfo->w;
2397	u32Height = pFBInfo->h;
2398	u32BitsPerPixel = pFBInfo->u16BitsPerPixel;
2399	xOrigin = pFBInfo->xOrigin;
2400	yOrigin = pFBInfo->yOrigin;
2401	}
2402	else
2403	{
2404	return E_INVALIDARG;
2405	}
2406
2407	if (aWidth)
2408	*aWidth = u32Width;
2409	if (aHeight)
2410	*aHeight = u32Height;
2411	if (aBitsPerPixel)
2412	*aBitsPerPixel = u32BitsPerPixel;
2413	if (aXOrigin)
2414	*aXOrigin = xOrigin;
2415	if (aYOrigin)
2416	*aYOrigin = yOrigin;
2417
2418	return S_OK;
2419	}
2420
2421	STDMETHODIMP Display::SetFramebuffer(ULONG aScreenId, IFramebuffer *aFramebuffer)
2422	{
2423	LogRelFlowFunc(("\n"));
2424
2425	if (aFramebuffer != NULL)
2426	CheckComArgOutPointerValid(aFramebuffer);
2427
2428	AutoCaller autoCaller(this);
2429	if (FAILED(autoCaller.rc()))
2430	return autoCaller.rc();
2431
2432	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2433
2434	Console::SafeVMPtrQuiet ptrVM(mParent);
2435	if (ptrVM.isOk())
2436	{
2437	/* Must release the lock here because the changeFramebuffer will
2438	* also obtain it. */
2439	alock.release();
2440
2441	/* send request to the EMT thread */
2442	int vrc = VMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY,
2443	(PFNRT)changeFramebuffer, 3, this, aFramebuffer, aScreenId);
2444
2445	alock.acquire();
2446
2447	ComAssertRCRet (vrc, E_FAIL);
2448
2449	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
2450	{
2451	BOOL is3denabled;
2452	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
2453
2454	if (is3denabled)
2455	{
2456	VBOXCRCMDCTL_HGCM data;
2457	data.Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
2458	data.Hdr.u32Function = SHCRGL_HOST_FN_SCREEN_CHANGED;
2459
2460	data.aParms[0].type = VBOX_HGCM_SVC_PARM_32BIT;
2461	data.aParms[0].u.uint32 = aScreenId;
2462
2463	alock.release();
2464
2465	crCtlSubmitSync(&data.Hdr, sizeof (data));
2466
2467	alock.acquire();
2468	}
2469	}
2470	#endif /* #if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL) */
2471	}
2472	else
2473	{
2474	/* No VM is created (VM is powered off), do a direct call */
2475	int vrc = changeFramebuffer (this, aFramebuffer, aScreenId);
2476	ComAssertRCRet (vrc, E_FAIL);
2477	}
2478
2479	return S_OK;
2480	}
2481
2482	STDMETHODIMP Display::AttachFramebuffer(ULONG aScreenId,
2483	IFramebuffer *aFramebuffer)
2484	{
2485	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2486
2487	CheckComArgPointerValid(aFramebuffer);
2488
2489	AutoCaller autoCaller(this);
2490	if (FAILED(autoCaller.rc()))
2491	return autoCaller.rc();
2492
2493	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2494
2495	if (aScreenId >= mcMonitors)
2496	return setError(E_INVALIDARG, tr("AttachFramebuffer: Invalid screen %d (total %d)"),
2497	aScreenId, mcMonitors);
2498
2499	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2500	if (!pFBInfo->pFramebuffer.isNull())
2501	return setError(E_FAIL, tr("AttachFramebuffer: Framebuffer already attached to %d"),
2502	aScreenId);
2503
2504	pFBInfo->pFramebuffer = aFramebuffer;
2505
2506	/* The driver might not have been constructed yet */
2507	if (mpDrv)
2508	{
2509	/* Setup the new framebuffer, the resize will lead to an updateDisplayData call. */
2510
2511	#if defined(VBOX_WITH_CROGL)
2512	/* Release the lock, because SHCRGL_HOST_FN_SCREEN_CHANGED will read current framebuffer */
2513	/* @todo investigate */
2514	{
2515	BOOL is3denabled;
2516	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
2517
2518	if (is3denabled)
2519	{
2520	alock.release();
2521	}
2522	}
2523	#endif
2524
2525	/* @todo generic code for all monitors. */
2526	if (pFBInfo->fVBVAEnabled && pFBInfo->pu8FramebufferVRAM)
2527	{
2528	/* This display in VBVA mode. Resize it to the last guest resolution,
2529	* if it has been reported.
2530	*/
2531	handleDisplayResize(aScreenId, pFBInfo->u16BitsPerPixel,
2532	pFBInfo->pu8FramebufferVRAM,
2533	pFBInfo->u32LineSize,
2534	pFBInfo->w,
2535	pFBInfo->h,
2536	pFBInfo->flags);
2537	}
2538	else if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2539	{
2540	/* VGA device mode, only for the primary screen. */
2541	handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, mLastBitsPerPixel,
2542	mLastAddress,
2543	mLastBytesPerLine,
2544	mLastWidth,
2545	mLastHeight,
2546	mLastFlags);
2547	}
2548	}
2549
2550	LogRelFlowFunc(("Attached to %d\n", aScreenId));
2551	return S_OK;
2552	}
2553
2554	STDMETHODIMP Display::DetachFramebuffer(ULONG aScreenId)
2555	{
2556	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2557
2558	AutoCaller autoCaller(this);
2559	if (FAILED(autoCaller.rc()))
2560	return autoCaller.rc();
2561
2562	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2563
2564	if (aScreenId >= mcMonitors)
2565	return setError(E_INVALIDARG, tr("DetachFramebuffer: Invalid screen %d (total %d)"),
2566	aScreenId, mcMonitors);
2567
2568	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2569
2570	pFBInfo->pFramebuffer.setNull();
2571
2572	return S_OK;
2573	}
2574
2575	STDMETHODIMP Display::QueryFramebuffer(ULONG aScreenId,
2576	IFramebuffer **aFramebuffer)
2577	{
2578	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2579
2580	CheckComArgOutPointerValid(aFramebuffer);
2581
2582	AutoCaller autoCaller(this);
2583	if (FAILED(autoCaller.rc()))
2584	return autoCaller.rc();
2585
2586	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2587
2588	if (aScreenId >= mcMonitors)
2589	return setError(E_INVALIDARG, tr("QueryFramebuffer: Invalid screen %d (total %d)"),
2590	aScreenId, mcMonitors);
2591
2592	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2593
2594	*aFramebuffer = pFBInfo->pFramebuffer;
2595	if (!pFBInfo->pFramebuffer.isNull())
2596	pFBInfo->pFramebuffer->AddRef();
2597
2598	return S_OK;
2599	}
2600
2601	STDMETHODIMP Display::GetFramebuffer(ULONG aScreenId,
2602	IFramebuffer *aFramebuffer, LONG aXOrigin, LONG *aYOrigin)
2603	{
2604	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2605
2606	CheckComArgOutPointerValid(aFramebuffer);
2607
2608	AutoCaller autoCaller(this);
2609	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2610
2611	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2612
2613	if (aScreenId != 0 && aScreenId >= mcMonitors)
2614	return E_INVALIDARG;
2615
2616	/* @todo this should be actually done on EMT. */
2617	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2618
2619	*aFramebuffer = pFBInfo->pFramebuffer;
2620	if (*aFramebuffer)
2621	(*aFramebuffer)->AddRef ();
2622	if (aXOrigin)
2623	*aXOrigin = pFBInfo->xOrigin;
2624	if (aYOrigin)
2625	*aYOrigin = pFBInfo->yOrigin;
2626
2627	return S_OK;
2628	}
2629
2630	STDMETHODIMP Display::SetVideoModeHint(ULONG aDisplay, BOOL aEnabled,
2631	BOOL aChangeOrigin, LONG aOriginX, LONG aOriginY,
2632	ULONG aWidth, ULONG aHeight, ULONG aBitsPerPixel)
2633	{
2634	AutoCaller autoCaller(this);
2635	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2636
2637	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2638
2639	CHECK_CONSOLE_DRV(mpDrv);
2640
2641	/*
2642	* Do some rough checks for valid input
2643	*/
2644	ULONG width = aWidth;
2645	if (!width)
2646	width = mpDrv->IConnector.cx;
2647	ULONG height = aHeight;
2648	if (!height)
2649	height = mpDrv->IConnector.cy;
2650	ULONG bpp = aBitsPerPixel;
2651	if (!bpp)
2652	{
2653	uint32_t cBits = 0;
2654	int rc = mpDrv->pUpPort->pfnQueryColorDepth(mpDrv->pUpPort, &cBits);
2655	AssertRC(rc);
2656	bpp = cBits;
2657	}
2658	ULONG cMonitors;
2659	mParent->machine()->COMGETTER(MonitorCount)(&cMonitors);
2660	if (cMonitors == 0 && aDisplay > 0)
2661	return E_INVALIDARG;
2662	if (aDisplay >= cMonitors)
2663	return E_INVALIDARG;
2664
2665	/*
2666	* sunlover 20070614: It is up to the guest to decide whether the hint is
2667	* valid. Therefore don't do any VRAM sanity checks here!
2668	*/
2669
2670	/* Have to release the lock because the pfnRequestDisplayChange
2671	* will call EMT. */
2672	alock.release();
2673
2674	VMMDev *pVMMDev = mParent->getVMMDev();
2675	if (pVMMDev)
2676	{
2677	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
2678	if (pVMMDevPort)
2679	pVMMDevPort->pfnRequestDisplayChange(pVMMDevPort, aWidth, aHeight, aBitsPerPixel,
2680	aDisplay, aOriginX, aOriginY,
2681	RT_BOOL(aEnabled), RT_BOOL(aChangeOrigin));
2682	}
2683	return S_OK;
2684	}
2685
2686	STDMETHODIMP Display::SetSeamlessMode (BOOL enabled)
2687	{
2688	AutoCaller autoCaller(this);
2689	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2690
2691	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2692
2693	/* Have to release the lock because the pfnRequestSeamlessChange will call EMT. */
2694	alock.release();
2695
2696	VMMDev *pVMMDev = mParent->getVMMDev();
2697	if (pVMMDev)
2698	{
2699	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
2700	if (pVMMDevPort)
2701	pVMMDevPort->pfnRequestSeamlessChange(pVMMDevPort, !!enabled);
2702	}
2703
2704	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
2705	if (!enabled)
2706	{
2707	BOOL is3denabled = FALSE;
2708
2709	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
2710
2711	VMMDev *vmmDev = mParent->getVMMDev();
2712	if (is3denabled && vmmDev)
2713	{
2714	VBOXCRCMDCTL_HGCM pData = (VBOXCRCMDCTL_HGCM)RTMemAlloc(sizeof (VBOXCRCMDCTL_HGCM));
2715	if (!pData)
2716	{
2717	AssertMsgFailed(("RTMemAlloc failed\n"));
2718	return VERR_NO_MEMORY;
2719	}
2720
2721	pData->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
2722	pData->Hdr.u32Function = SHCRGL_HOST_FN_SET_VISIBLE_REGION;
2723
2724	pData->aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
2725	pData->aParms[0].u.pointer.addr = NULL;
2726	pData->aParms[0].u.pointer.size = 0; /* <- means null rects, NULL pRects address and 0 rects means "disable" */
2727
2728	int rc = crCtlSubmit(&pData->Hdr, sizeof (*pData), displayCrCmdFree, pData);
2729	if (!RT_SUCCESS(rc))
2730	{
2731	AssertMsgFailed(("crCtlSubmit failed rc %d\n", rc));
2732	RTMemFree(pData);
2733	}
2734	}
2735	}
2736	#endif
2737	return S_OK;
2738	}
2739
2740	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
2741	BOOL Display::displayCheckTakeScreenshotCrOgl(Display pDisplay, ULONG aScreenId, uint8_t pu8Data,
2742	uint32_t u32Width, uint32_t u32Height)
2743	{
2744	BOOL is3denabled;
2745	pDisplay->mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
2746	if (is3denabled && pDisplay->mCrOglCallbacks.pfnHasData())
2747	{
2748	VMMDev *pVMMDev = pDisplay->mParent->getVMMDev();
2749	if (pVMMDev)
2750	{
2751	CRVBOXHGCMTAKESCREENSHOT pScreenshot = (CRVBOXHGCMTAKESCREENSHOT)RTMemAlloc(sizeof (*pScreenshot));
2752	if (pScreenshot)
2753	{
2754	/* screen id or CRSCREEN_ALL to specify all enabled */
2755	pScreenshot->u32Screen = aScreenId;
2756	pScreenshot->u32Width = u32Width;
2757	pScreenshot->u32Height = u32Height;
2758	pScreenshot->u32Pitch = u32Width * 4;
2759	pScreenshot->pvBuffer = pu8Data;
2760	pScreenshot->pvContext = NULL;
2761	pScreenshot->pfnScreenshotBegin = NULL;
2762	pScreenshot->pfnScreenshotPerform = NULL;
2763	pScreenshot->pfnScreenshotEnd = NULL;
2764
2765	VBOXCRCMDCTL_HGCM data;
2766	data.Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
2767	data.Hdr.u32Function = SHCRGL_HOST_FN_TAKE_SCREENSHOT;
2768
2769	data.aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
2770	data.aParms[0].u.pointer.addr = pScreenshot;
2771	data.aParms[0].u.pointer.size = sizeof (*pScreenshot);
2772
2773	int rc = pDisplay->crCtlSubmitSync(&data.Hdr, sizeof (data));
2774
2775	RTMemFree(pScreenshot);
2776
2777	if (RT_SUCCESS(rc))
2778	return TRUE;
2779	else
2780	{
2781	AssertMsgFailed(("failed to get screenshot data from crOgl %d\n", rc));
2782	/* fall back to the non-3d mechanism */
2783	}
2784	}
2785	}
2786	}
2787	return FALSE;
2788	}
2789	#endif
2790
2791	int Display::displayTakeScreenshotEMT(Display pDisplay, ULONG aScreenId, uint8_t ppu8Data, size_t pcbData,
2792	uint32_t pu32Width, uint32_t pu32Height)
2793	{
2794	int rc;
2795	pDisplay->vbvaLock();
2796	if ( aScreenId == VBOX_VIDEO_PRIMARY_SCREEN
2797	&& pDisplay->maFramebuffers[aScreenId].fVBVAEnabled == false) /* A non-VBVA mode. */
2798	{
2799	rc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppu8Data, pcbData, pu32Width, pu32Height);
2800	}
2801	else if (aScreenId < pDisplay->mcMonitors)
2802	{
2803	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
2804
2805	uint32_t width = pFBInfo->w;
2806	uint32_t height = pFBInfo->h;
2807
2808	/* Allocate 32 bit per pixel bitmap. */
2809	size_t cbRequired = width * 4 * height;
2810
2811	if (cbRequired)
2812	{
2813	uint8_t pu8Data = (uint8_t )RTMemAlloc(cbRequired);
2814
2815	if (pu8Data == NULL)
2816	{
2817	rc = VERR_NO_MEMORY;
2818	}
2819	else
2820	{
2821	/* Copy guest VRAM to the allocated 32bpp buffer. */
2822	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
2823	int32_t xSrc = 0;
2824	int32_t ySrc = 0;
2825	uint32_t u32SrcWidth = width;
2826	uint32_t u32SrcHeight = height;
2827	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
2828	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2829
2830	uint8_t *pu8Dst = pu8Data;
2831	int32_t xDst = 0;
2832	int32_t yDst = 0;
2833	uint32_t u32DstWidth = u32SrcWidth;
2834	uint32_t u32DstHeight = u32SrcHeight;
2835	uint32_t u32DstLineSize = u32DstWidth * 4;
2836	uint32_t u32DstBitsPerPixel = 32;
2837
2838	rc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2839	width, height,
2840	pu8Src,
2841	xSrc, ySrc,
2842	u32SrcWidth, u32SrcHeight,
2843	u32SrcLineSize, u32SrcBitsPerPixel,
2844	pu8Dst,
2845	xDst, yDst,
2846	u32DstWidth, u32DstHeight,
2847	u32DstLineSize, u32DstBitsPerPixel);
2848	if (RT_SUCCESS(rc))
2849	{
2850	*ppu8Data = pu8Data;
2851	*pcbData = cbRequired;
2852	*pu32Width = width;
2853	*pu32Height = height;
2854	}
2855	else
2856	{
2857	RTMemFree(pu8Data);
2858
2859	/* CopyRect can fail if VBVA was paused in VGA device, retry using the generic method. */
2860	if ( rc == VERR_INVALID_STATE
2861	&& aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2862	{
2863	rc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort,
2864	ppu8Data, pcbData, pu32Width, pu32Height);
2865	}
2866	}
2867	}
2868	}
2869	else
2870	{
2871	/* No image. */
2872	*ppu8Data = NULL;
2873	*pcbData = 0;
2874	*pu32Width = 0;
2875	*pu32Height = 0;
2876	rc = VINF_SUCCESS;
2877	}
2878	}
2879	else
2880	{
2881	rc = VERR_INVALID_PARAMETER;
2882	}
2883	pDisplay->vbvaUnlock();
2884	return rc;
2885	}
2886
2887	static int displayTakeScreenshot(PUVM pUVM, Display pDisplay, struct DRVMAINDISPLAY pDrv, ULONG aScreenId,
2888	BYTE *address, ULONG width, ULONG height)
2889	{
2890	uint8_t *pu8Data = NULL;
2891	size_t cbData = 0;
2892	uint32_t cx = 0;
2893	uint32_t cy = 0;
2894	int vrc = VINF_SUCCESS;
2895
2896	# if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
2897	if (Display::displayCheckTakeScreenshotCrOgl(pDisplay, aScreenId, (uint8_t*)address, width, height))
2898	return VINF_SUCCESS;
2899	#endif
2900
2901	int cRetries = 5;
2902
2903	while (cRetries-- > 0)
2904	{
2905	/* Note! Not sure if the priority call is such a good idea here, but
2906	it would be nice to have an accurate screenshot for the bug
2907	report if the VM deadlocks. */
2908	vrc = VMR3ReqPriorityCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)Display::displayTakeScreenshotEMT, 6,
2909	pDisplay, aScreenId, &pu8Data, &cbData, &cx, &cy);
2910	if (vrc != VERR_TRY_AGAIN)
2911	{
2912	break;
2913	}
2914
2915	RTThreadSleep(10);
2916	}
2917
2918	if (RT_SUCCESS(vrc) && pu8Data)
2919	{
2920	if (cx == width && cy == height)
2921	{
2922	/* No scaling required. */
2923	memcpy(address, pu8Data, cbData);
2924	}
2925	else
2926	{
2927	/* Scale. */
2928	LogRelFlowFunc(("SCALE: %dx%d -> %dx%d\n", cx, cy, width, height));
2929
2930	uint8_t *dst = address;
2931	uint8_t *src = pu8Data;
2932	int dstW = width;
2933	int dstH = height;
2934	int srcW = cx;
2935	int srcH = cy;
2936	int iDeltaLine = cx * 4;
2937
2938	BitmapScale32(dst,
2939	dstW, dstH,
2940	src,
2941	iDeltaLine,
2942	srcW, srcH);
2943	}
2944
2945	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2946	{
2947	/* This can be called from any thread. */
2948	pDrv->pUpPort->pfnFreeScreenshot(pDrv->pUpPort, pu8Data);
2949	}
2950	else
2951	{
2952	RTMemFree(pu8Data);
2953	}
2954	}
2955
2956	return vrc;
2957	}
2958
2959	STDMETHODIMP Display::TakeScreenShot(ULONG aScreenId, BYTE *address, ULONG width, ULONG height)
2960	{
2961	/// @todo (r=dmik) this function may take too long to complete if the VM
2962	// is doing something like saving state right now. Which, in case if it
2963	// is called on the GUI thread, will make it unresponsive. We should
2964	// check the machine state here (by enclosing the check and VMRequCall
2965	// within the Console lock to make it atomic).
2966
2967	LogRelFlowFunc(("address=%p, width=%d, height=%d\n",
2968	address, width, height));
2969
2970	CheckComArgNotNull(address);
2971	CheckComArgExpr(width, width != 0);
2972	CheckComArgExpr(height, height != 0);
2973
2974	/* Do not allow too large screenshots. This also filters out negative
2975	* values passed as either 'width' or 'height'.
2976	*/
2977	CheckComArgExpr(width, width <= 32767);
2978	CheckComArgExpr(height, height <= 32767);
2979
2980	AutoCaller autoCaller(this);
2981	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2982
2983	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2984
2985	if (!mpDrv)
2986	return E_FAIL;
2987
2988	Console::SafeVMPtr ptrVM(mParent);
2989	if (!ptrVM.isOk())
2990	return ptrVM.rc();
2991
2992	HRESULT rc = S_OK;
2993
2994	LogRelFlowFunc(("Sending SCREENSHOT request\n"));
2995
2996	/* Release lock because other thread (EMT) is called and it may initiate a resize
2997	* which also needs lock.
2998	*
2999	* This method does not need the lock anymore.
3000	*/
3001	alock.release();
3002
3003	int vrc = displayTakeScreenshot(ptrVM.rawUVM(), this, mpDrv, aScreenId, address, width, height);
3004
3005	if (vrc == VERR_NOT_IMPLEMENTED)
3006	rc = setError(E_NOTIMPL,
3007	tr("This feature is not implemented"));
3008	else if (vrc == VERR_TRY_AGAIN)
3009	rc = setError(E_UNEXPECTED,
3010	tr("This feature is not available at this time"));
3011	else if (RT_FAILURE(vrc))
3012	rc = setError(VBOX_E_IPRT_ERROR,
3013	tr("Could not take a screenshot (%Rrc)"), vrc);
3014
3015	LogRelFlowFunc(("rc=%Rhrc\n", rc));
3016	return rc;
3017	}
3018
3019	STDMETHODIMP Display::TakeScreenShotToArray(ULONG aScreenId, ULONG width, ULONG height,
3020	ComSafeArrayOut(BYTE, aScreenData))
3021	{
3022	LogRelFlowFunc(("width=%d, height=%d\n", width, height));
3023
3024	CheckComArgOutSafeArrayPointerValid(aScreenData);
3025	CheckComArgExpr(width, width != 0);
3026	CheckComArgExpr(height, height != 0);
3027
3028	/* Do not allow too large screenshots. This also filters out negative
3029	* values passed as either 'width' or 'height'.
3030	*/
3031	CheckComArgExpr(width, width <= 32767);
3032	CheckComArgExpr(height, height <= 32767);
3033
3034	AutoCaller autoCaller(this);
3035	if (FAILED(autoCaller.rc())) return autoCaller.rc();
3036
3037	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3038
3039	if (!mpDrv)
3040	return E_FAIL;
3041
3042	Console::SafeVMPtr ptrVM(mParent);
3043	if (!ptrVM.isOk())
3044	return ptrVM.rc();
3045
3046	HRESULT rc = S_OK;
3047
3048	LogRelFlowFunc(("Sending SCREENSHOT request\n"));
3049
3050	/* Release lock because other thread (EMT) is called and it may initiate a resize
3051	* which also needs lock.
3052	*
3053	* This method does not need the lock anymore.
3054	*/
3055	alock.release();
3056
3057	size_t cbData = width * 4 * height;
3058	uint8_t pu8Data = (uint8_t )RTMemAlloc(cbData);
3059
3060	if (!pu8Data)
3061	return E_OUTOFMEMORY;
3062
3063	int vrc = displayTakeScreenshot(ptrVM.rawUVM(), this, mpDrv, aScreenId, pu8Data, width, height);
3064
3065	if (RT_SUCCESS(vrc))
3066	{
3067	/* Convert pixels to format expected by the API caller: [0] R, [1] G, [2] B, [3] A. */
3068	uint8_t *pu8 = pu8Data;
3069	unsigned cPixels = width * height;
3070	while (cPixels)
3071	{
3072	uint8_t u8 = pu8[0];
3073	pu8[0] = pu8[2];
3074	pu8[2] = u8;
3075	pu8[3] = 0xff;
3076	cPixels--;
3077	pu8 += 4;
3078	}
3079
3080	com::SafeArray<BYTE> screenData(cbData);
3081	screenData.initFrom(pu8Data, cbData);
3082	screenData.detachTo(ComSafeArrayOutArg(aScreenData));
3083	}
3084	else if (vrc == VERR_NOT_IMPLEMENTED)
3085	rc = setError(E_NOTIMPL,
3086	tr("This feature is not implemented"));
3087	else
3088	rc = setError(VBOX_E_IPRT_ERROR,
3089	tr("Could not take a screenshot (%Rrc)"), vrc);
3090
3091	RTMemFree(pu8Data);
3092
3093	LogRelFlowFunc(("rc=%Rhrc\n", rc));
3094	return rc;
3095	}
3096
3097	STDMETHODIMP Display::TakeScreenShotPNGToArray(ULONG aScreenId, ULONG width, ULONG height,
3098	ComSafeArrayOut(BYTE, aScreenData))
3099	{
3100	LogRelFlowFunc(("width=%d, height=%d\n", width, height));
3101
3102	CheckComArgOutSafeArrayPointerValid(aScreenData);
3103	CheckComArgExpr(width, width != 0);
3104	CheckComArgExpr(height, height != 0);
3105
3106	/* Do not allow too large screenshots. This also filters out negative
3107	* values passed as either 'width' or 'height'.
3108	*/
3109	CheckComArgExpr(width, width <= 32767);
3110	CheckComArgExpr(height, height <= 32767);
3111
3112	AutoCaller autoCaller(this);
3113	if (FAILED(autoCaller.rc())) return autoCaller.rc();
3114
3115	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3116
3117	CHECK_CONSOLE_DRV(mpDrv);
3118
3119	Console::SafeVMPtr ptrVM(mParent);
3120	if (!ptrVM.isOk())
3121	return ptrVM.rc();
3122
3123	HRESULT rc = S_OK;
3124
3125	LogRelFlowFunc(("Sending SCREENSHOT request\n"));
3126
3127	/* Release lock because other thread (EMT) is called and it may initiate a resize
3128	* which also needs lock.
3129	*
3130	* This method does not need the lock anymore.
3131	*/
3132	alock.release();
3133
3134	size_t cbData = width * 4 * height;
3135	uint8_t pu8Data = (uint8_t )RTMemAlloc(cbData);
3136
3137	if (!pu8Data)
3138	return E_OUTOFMEMORY;
3139
3140	int vrc = displayTakeScreenshot(ptrVM.rawUVM(), this, mpDrv, aScreenId, pu8Data, width, height);
3141
3142	if (RT_SUCCESS(vrc))
3143	{
3144	uint8_t *pu8PNG = NULL;
3145	uint32_t cbPNG = 0;
3146	uint32_t cxPNG = 0;
3147	uint32_t cyPNG = 0;
3148
3149	vrc = DisplayMakePNG(pu8Data, width, height, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 0);
3150	if (RT_SUCCESS(vrc))
3151	{
3152	com::SafeArray<BYTE> screenData(cbPNG);
3153	screenData.initFrom(pu8PNG, cbPNG);
3154	if (pu8PNG)
3155	RTMemFree(pu8PNG);
3156
3157	screenData.detachTo(ComSafeArrayOutArg(aScreenData));
3158	}
3159	else
3160	{
3161	if (pu8PNG)
3162	RTMemFree(pu8PNG);
3163	rc = setError(VBOX_E_IPRT_ERROR,
3164	tr("Could not convert screenshot to PNG (%Rrc)"), vrc);
3165	}
3166	}
3167	else if (vrc == VERR_NOT_IMPLEMENTED)
3168	rc = setError(E_NOTIMPL,
3169	tr("This feature is not implemented"));
3170	else
3171	rc = setError(VBOX_E_IPRT_ERROR,
3172	tr("Could not take a screenshot (%Rrc)"), vrc);
3173
3174	RTMemFree(pu8Data);
3175
3176	LogRelFlowFunc(("rc=%Rhrc\n", rc));
3177	return rc;
3178	}
3179
3180	int Display::VideoCaptureEnableScreens(ComSafeArrayIn(BOOL, aScreens))
3181	{
3182	#ifdef VBOX_WITH_VPX
3183	com::SafeArray<BOOL> Screens(ComSafeArrayInArg(aScreens));
3184	for (unsigned i = 0; i < Screens.size(); i++)
3185	maVideoRecEnabled[i] = RT_BOOL(Screens[i]);
3186	return VINF_SUCCESS;
3187	#else
3188	return VERR_NOT_IMPLEMENTED;
3189	#endif
3190	}
3191
3192	/**
3193	* Start video capturing. Does nothing if capturing is already active.
3194	*/
3195	int Display::VideoCaptureStart()
3196	{
3197	#ifdef VBOX_WITH_VPX
3198	if (VideoRecIsEnabled(mpVideoRecCtx))
3199	return VINF_SUCCESS;
3200
3201	int rc = VideoRecContextCreate(&mpVideoRecCtx, mcMonitors);
3202	if (RT_FAILURE(rc))
3203	{
3204	LogFlow(("Failed to create video recording context (%Rrc)!\n", rc));
3205	return rc;
3206	}
3207	ComPtr<IMachine> pMachine = mParent->machine();
3208	com::SafeArray<BOOL> screens;
3209	HRESULT hrc = pMachine->COMGETTER(VideoCaptureScreens)(ComSafeArrayAsOutParam(screens));
3210	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
3211	for (unsigned i = 0; i < RT_ELEMENTS(maVideoRecEnabled); i++)
3212	maVideoRecEnabled[i] = i < screens.size() && screens[i];
3213	ULONG ulWidth;
3214	hrc = pMachine->COMGETTER(VideoCaptureWidth)(&ulWidth);
3215	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
3216	ULONG ulHeight;
3217	hrc = pMachine->COMGETTER(VideoCaptureHeight)(&ulHeight);
3218	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
3219	ULONG ulRate;
3220	hrc = pMachine->COMGETTER(VideoCaptureRate)(&ulRate);
3221	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
3222	ULONG ulFPS;
3223	hrc = pMachine->COMGETTER(VideoCaptureFPS)(&ulFPS);
3224	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
3225	BSTR strFile;
3226	hrc = pMachine->COMGETTER(VideoCaptureFile)(&strFile);
3227	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
3228	RTTIMESPEC ts;
3229	RTTimeNow(&ts);
3230	RTTIME time;
3231	RTTimeExplode(&time, &ts);
3232	for (unsigned uScreen = 0; uScreen < mcMonitors; uScreen++)
3233	{
3234	char *pszAbsPath = RTPathAbsDup(com::Utf8Str(strFile).c_str());
3235	char *pszSuff = RTPathSuffix(pszAbsPath);
3236	if (pszSuff)
3237	pszSuff = RTStrDup(pszSuff);
3238	RTPathStripSuffix(pszAbsPath);
3239	if (!pszAbsPath)
3240	rc = VERR_INVALID_PARAMETER;
3241	if (!pszSuff)
3242	pszSuff = RTStrDup(".webm");
3243	char *pszName = NULL;
3244	if (RT_SUCCESS(rc))
3245	{
3246	if (mcMonitors > 1)
3247	rc = RTStrAPrintf(&pszName, "%s-%u%s", pszAbsPath, uScreen+1, pszSuff);
3248	else
3249	rc = RTStrAPrintf(&pszName, "%s%s", pszAbsPath, pszSuff);
3250	}
3251	if (RT_SUCCESS(rc))
3252	{
3253	rc = VideoRecStrmInit(mpVideoRecCtx, uScreen,
3254	pszName, ulWidth, ulHeight, ulRate, ulFPS);
3255	if (rc == VERR_ALREADY_EXISTS)
3256	{
3257	RTStrFree(pszName);
3258	pszName = NULL;
3259
3260	if (mcMonitors > 1)
3261	rc = RTStrAPrintf(&pszName, "%s-%04d-%02u-%02uT%02u-%02u-%02u-%09uZ-%u%s",
3262	pszAbsPath, time.i32Year, time.u8Month, time.u8MonthDay,
3263	time.u8Hour, time.u8Minute, time.u8Second, time.u32Nanosecond,
3264	uScreen+1, pszSuff);
3265	else
3266	rc = RTStrAPrintf(&pszName, "%s-%04d-%02u-%02uT%02u-%02u-%02u-%09uZ%s",
3267	pszAbsPath, time.i32Year, time.u8Month, time.u8MonthDay,
3268	time.u8Hour, time.u8Minute, time.u8Second, time.u32Nanosecond,
3269	pszSuff);
3270	if (RT_SUCCESS(rc))
3271	rc = VideoRecStrmInit(mpVideoRecCtx, uScreen,
3272	pszName, ulWidth, ulHeight, ulRate, ulFPS);
3273	}
3274	}
3275
3276	if (RT_SUCCESS(rc))
3277	LogRel(("WebM/VP8 video recording screen #%u with %ux%u @ %u kbps, %u fps to '%s' enabled.\n",
3278	uScreen, ulWidth, ulHeight, ulRate, ulFPS, pszName));
3279	else
3280	LogRel(("Failed to initialize video recording context #%u (%Rrc)!\n", uScreen, rc));
3281	RTStrFree(pszName);
3282	RTStrFree(pszSuff);
3283	RTStrFree(pszAbsPath);
3284	}
3285	return rc;
3286	#else
3287	return VERR_NOT_IMPLEMENTED;
3288	#endif
3289	}
3290
3291	/**
3292	* Stop video capturing. Does nothing if video capturing is not active.
3293	*/
3294	void Display::VideoCaptureStop()
3295	{
3296	#ifdef VBOX_WITH_VPX
3297	if (VideoRecIsEnabled(mpVideoRecCtx))
3298	LogRel(("WebM/VP8 video recording stopped.\n"));
3299	VideoRecContextClose(mpVideoRecCtx);
3300	mpVideoRecCtx = NULL;
3301	#endif
3302	}
3303
3304	int Display::drawToScreenEMT(Display pDisplay, ULONG aScreenId, BYTE address,
3305	ULONG x, ULONG y, ULONG width, ULONG height)
3306	{
3307	int rc = VINF_SUCCESS;
3308	pDisplay->vbvaLock();
3309
3310	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
3311
3312	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3313	{
3314	if (pFBInfo->u32ResizeStatus == ResizeStatus_Void)
3315	{
3316	rc = pDisplay->mpDrv->pUpPort->pfnDisplayBlt(pDisplay->mpDrv->pUpPort, address, x, y, width, height);
3317	}
3318	}
3319	else if (aScreenId < pDisplay->mcMonitors)
3320	{
3321	/* Copy the bitmap to the guest VRAM. */
3322	const uint8_t *pu8Src = address;
3323	int32_t xSrc = 0;
3324	int32_t ySrc = 0;
3325	uint32_t u32SrcWidth = width;
3326	uint32_t u32SrcHeight = height;
3327	uint32_t u32SrcLineSize = width * 4;
3328	uint32_t u32SrcBitsPerPixel = 32;
3329
3330	uint8_t *pu8Dst = pFBInfo->pu8FramebufferVRAM;
3331	int32_t xDst = x;
3332	int32_t yDst = y;
3333	uint32_t u32DstWidth = pFBInfo->w;
3334	uint32_t u32DstHeight = pFBInfo->h;
3335	uint32_t u32DstLineSize = pFBInfo->u32LineSize;
3336	uint32_t u32DstBitsPerPixel = pFBInfo->u16BitsPerPixel;
3337
3338	rc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
3339	width, height,
3340	pu8Src,
3341	xSrc, ySrc,
3342	u32SrcWidth, u32SrcHeight,
3343	u32SrcLineSize, u32SrcBitsPerPixel,
3344	pu8Dst,
3345	xDst, yDst,
3346	u32DstWidth, u32DstHeight,
3347	u32DstLineSize, u32DstBitsPerPixel);
3348	if (RT_SUCCESS(rc))
3349	{
3350	if (!pFBInfo->pFramebuffer.isNull())
3351	{
3352	/* Update the changed screen area. When framebuffer uses VRAM directly, just notify
3353	* it to update. And for default format, render the guest VRAM to framebuffer.
3354	*/
3355	if ( pFBInfo->fDefaultFormat
3356	&& !pFBInfo->fDisabled)
3357	{
3358	BYTE *pAddress = NULL;
3359	ULONG ulWidth = 0;
3360	ULONG ulHeight = 0;
3361	ULONG ulBitsPerPixel = 0;
3362	ULONG ulBytesPerLine = 0;
3363	ULONG ulPixelFormat = 0;
3364
3365	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
3366	&ulWidth,
3367	&ulHeight,
3368	&ulBitsPerPixel,
3369	&ulBytesPerLine,
3370	&ulPixelFormat);
3371	if (SUCCEEDED(hrc))
3372	{
3373	pu8Src = pFBInfo->pu8FramebufferVRAM;
3374	xSrc = x;
3375	ySrc = y;
3376	u32SrcWidth = pFBInfo->w;
3377	u32SrcHeight = pFBInfo->h;
3378	u32SrcLineSize = pFBInfo->u32LineSize;
3379	u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
3380
3381	/* Default format is 32 bpp. */
3382	pu8Dst = pAddress;
3383	xDst = xSrc;
3384	yDst = ySrc;
3385	u32DstWidth = u32SrcWidth;
3386	u32DstHeight = u32SrcHeight;
3387	u32DstLineSize = u32DstWidth * 4;
3388	u32DstBitsPerPixel = 32;
3389
3390	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
3391	width, height,
3392	pu8Src,
3393	xSrc, ySrc,
3394	u32SrcWidth, u32SrcHeight,
3395	u32SrcLineSize, u32SrcBitsPerPixel,
3396	pu8Dst,
3397	xDst, yDst,
3398	u32DstWidth, u32DstHeight,
3399	u32DstLineSize, u32DstBitsPerPixel);
3400	}
3401	}
3402
3403	pDisplay->handleDisplayUpdate(aScreenId, x, y, width, height);
3404	}
3405	}
3406	}
3407	else
3408	{
3409	rc = VERR_INVALID_PARAMETER;
3410	}
3411
3412	if ( RT_SUCCESS(rc)
3413	&& pDisplay->maFramebuffers[aScreenId].u32ResizeStatus == ResizeStatus_Void)
3414	pDisplay->mParent->consoleVRDPServer()->SendUpdateBitmap(aScreenId, x, y, width, height);
3415
3416	pDisplay->vbvaUnlock();
3417	return rc;
3418	}
3419
3420	STDMETHODIMP Display::DrawToScreen(ULONG aScreenId, BYTE *address,
3421	ULONG x, ULONG y, ULONG width, ULONG height)
3422	{
3423	/// @todo (r=dmik) this function may take too long to complete if the VM
3424	// is doing something like saving state right now. Which, in case if it
3425	// is called on the GUI thread, will make it unresponsive. We should
3426	// check the machine state here (by enclosing the check and VMRequCall
3427	// within the Console lock to make it atomic).
3428
3429	LogRelFlowFunc(("address=%p, x=%d, y=%d, width=%d, height=%d\n",
3430	(void *)address, x, y, width, height));
3431
3432	CheckComArgNotNull(address);
3433	CheckComArgExpr(width, width != 0);
3434	CheckComArgExpr(height, height != 0);
3435
3436	AutoCaller autoCaller(this);
3437	if (FAILED(autoCaller.rc())) return autoCaller.rc();
3438
3439	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3440
3441	CHECK_CONSOLE_DRV(mpDrv);
3442
3443	Console::SafeVMPtr ptrVM(mParent);
3444	if (!ptrVM.isOk())
3445	return ptrVM.rc();
3446
3447	/* Release lock because the call scheduled on EMT may also try to take it. */
3448	alock.release();
3449
3450	/*
3451	* Again we're lazy and make the graphics device do all the
3452	* dirty conversion work.
3453	*/
3454	int rcVBox = VMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::drawToScreenEMT, 7,
3455	this, aScreenId, address, x, y, width, height);
3456
3457	/*
3458	* If the function returns not supported, we'll have to do all the
3459	* work ourselves using the framebuffer.
3460	*/
3461	HRESULT rc = S_OK;
3462	if (rcVBox == VERR_NOT_SUPPORTED \|\| rcVBox == VERR_NOT_IMPLEMENTED)
3463	{
3464	/** @todo implement generic fallback for screen blitting. */
3465	rc = E_NOTIMPL;
3466	}
3467	else if (RT_FAILURE(rcVBox))
3468	rc = setError(VBOX_E_IPRT_ERROR,
3469	tr("Could not draw to the screen (%Rrc)"), rcVBox);
3470	//@todo
3471	// else
3472	// {
3473	// /* All ok. Redraw the screen. */
3474	// handleDisplayUpdate (x, y, width, height);
3475	// }
3476
3477	LogRelFlowFunc(("rc=%Rhrc\n", rc));
3478	return rc;
3479	}
3480
3481	void Display::InvalidateAndUpdateEMT(Display *pDisplay, unsigned uId, bool fUpdateAll)
3482	{
3483	pDisplay->vbvaLock();
3484	unsigned uScreenId;
3485	for (uScreenId = (fUpdateAll ? 0 : uId); uScreenId < pDisplay->mcMonitors; uScreenId++)
3486	{
3487	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
3488
3489	if ( !pFBInfo->fVBVAEnabled
3490	&& uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
3491	&& !pFBInfo->pFramebuffer.isNull())
3492	{
3493	pDisplay->mpDrv->pUpPort->pfnUpdateDisplayAll(pDisplay->mpDrv->pUpPort);
3494	}
3495	else
3496	{
3497	if ( !pFBInfo->pFramebuffer.isNull()
3498	&& !pFBInfo->fDisabled
3499	&& pFBInfo->u32ResizeStatus == ResizeStatus_Void)
3500	{
3501	/* Render complete VRAM screen to the framebuffer.
3502	* When framebuffer uses VRAM directly, just notify it to update.
3503	*/
3504	if (pFBInfo->fDefaultFormat && !pFBInfo->pSourceBitmap.isNull())
3505	{
3506	BYTE *pAddress = NULL;
3507	ULONG ulWidth = 0;
3508	ULONG ulHeight = 0;
3509	ULONG ulBitsPerPixel = 0;
3510	ULONG ulBytesPerLine = 0;
3511	ULONG ulPixelFormat = 0;
3512
3513	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
3514	&ulWidth,
3515	&ulHeight,
3516	&ulBitsPerPixel,
3517	&ulBytesPerLine,
3518	&ulPixelFormat);
3519	if (SUCCEEDED(hrc))
3520	{
3521	uint32_t width = pFBInfo->w;
3522	uint32_t height = pFBInfo->h;
3523
3524	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
3525	int32_t xSrc = 0;
3526	int32_t ySrc = 0;
3527	uint32_t u32SrcWidth = pFBInfo->w;
3528	uint32_t u32SrcHeight = pFBInfo->h;
3529	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
3530	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
3531
3532	/* Default format is 32 bpp. */
3533	uint8_t *pu8Dst = pAddress;
3534	int32_t xDst = xSrc;
3535	int32_t yDst = ySrc;
3536	uint32_t u32DstWidth = u32SrcWidth;
3537	uint32_t u32DstHeight = u32SrcHeight;
3538	uint32_t u32DstLineSize = u32DstWidth * 4;
3539	uint32_t u32DstBitsPerPixel = 32;
3540
3541	/* if uWidth != pFBInfo->w and uHeight != pFBInfo->h
3542	* implies resize of Framebuffer is in progress and
3543	* copyrect should not be called.
3544	*/
3545	if (ulWidth == pFBInfo->w && ulHeight == pFBInfo->h)
3546	{
3547
3548	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
3549	width, height,
3550	pu8Src,
3551	xSrc, ySrc,
3552	u32SrcWidth, u32SrcHeight,
3553	u32SrcLineSize, u32SrcBitsPerPixel,
3554	pu8Dst,
3555	xDst, yDst,
3556	u32DstWidth, u32DstHeight,
3557	u32DstLineSize, u32DstBitsPerPixel);
3558	}
3559	}
3560	}
3561
3562	pDisplay->handleDisplayUpdate (uScreenId, 0, 0, pFBInfo->w, pFBInfo->h);
3563	}
3564	}
3565	if (!fUpdateAll)
3566	break;
3567	}
3568	pDisplay->vbvaUnlock();
3569	}
3570
3571	/**
3572	* Does a full invalidation of the VM display and instructs the VM
3573	* to update it immediately.
3574	*
3575	* @returns COM status code
3576	*/
3577	STDMETHODIMP Display::InvalidateAndUpdate()
3578	{
3579	LogRelFlowFunc(("\n"));
3580
3581	AutoCaller autoCaller(this);
3582	if (FAILED(autoCaller.rc())) return autoCaller.rc();
3583
3584	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3585
3586	CHECK_CONSOLE_DRV(mpDrv);
3587
3588	Console::SafeVMPtr ptrVM(mParent);
3589	if (!ptrVM.isOk())
3590	return ptrVM.rc();
3591
3592	HRESULT rc = S_OK;
3593
3594	LogRelFlowFunc(("Sending DPYUPDATE request\n"));
3595
3596	/* Have to release the lock when calling EMT. */
3597	alock.release();
3598
3599	/* pdm.h says that this has to be called from the EMT thread */
3600	int rcVBox = VMR3ReqCallVoidWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::InvalidateAndUpdateEMT,
3601	3, this, 0, true);
3602	alock.acquire();
3603
3604	if (RT_FAILURE(rcVBox))
3605	rc = setError(VBOX_E_IPRT_ERROR,
3606	tr("Could not invalidate and update the screen (%Rrc)"), rcVBox);
3607
3608	LogRelFlowFunc(("rc=%Rhrc\n", rc));
3609	return rc;
3610	}
3611
3612	/**
3613	* Notification that the framebuffer has completed the
3614	* asynchronous resize processing
3615	*
3616	* @returns COM status code
3617	*/
3618	STDMETHODIMP Display::ResizeCompleted(ULONG aScreenId)
3619	{
3620	LogRelFlowFunc(("\n"));
3621
3622	/// @todo (dmik) can we AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); here?
3623	// This will require general code review and may add some details.
3624	// In particular, we may want to check whether EMT is really waiting for
3625	// this notification, etc. It might be also good to obey the caller to make
3626	// sure this method is not called from more than one thread at a time
3627	// (and therefore don't use Display lock at all here to save some
3628	// milliseconds).
3629	AutoCaller autoCaller(this);
3630	if (FAILED(autoCaller.rc())) return autoCaller.rc();
3631
3632	/* this is only valid for external framebuffers */
3633	if (maFramebuffers[aScreenId].pFramebuffer == NULL)
3634	return setError(VBOX_E_NOT_SUPPORTED,
3635	tr("Resize completed notification is valid only for external framebuffers"));
3636
3637	/* Set the flag indicating that the resize has completed and display
3638	* data need to be updated. */
3639	bool f = ASMAtomicCmpXchgU32 (&maFramebuffers[aScreenId].u32ResizeStatus,
3640	ResizeStatus_UpdateDisplayData, ResizeStatus_InProgress);
3641	AssertRelease(f);NOREF(f);
3642
3643	return S_OK;
3644	}
3645
3646	STDMETHODIMP Display::CompleteVHWACommand(BYTE *pCommand)
3647	{
3648	#ifdef VBOX_WITH_VIDEOHWACCEL
3649	mpDrv->pVBVACallbacks->pfnVHWACommandCompleteAsync(mpDrv->pVBVACallbacks, (PVBOXVHWACMD)pCommand);
3650	return S_OK;
3651	#else
3652	return E_NOTIMPL;
3653	#endif
3654	}
3655
3656	STDMETHODIMP Display::ViewportChanged(ULONG aScreenId, ULONG x, ULONG y, ULONG width, ULONG height)
3657	{
3658	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
3659
3660	if (mcMonitors <= aScreenId)
3661	{
3662	AssertMsgFailed(("invalid screen id\n"));
3663	return E_INVALIDARG;
3664	}
3665
3666	BOOL is3denabled;
3667	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
3668
3669	if (is3denabled)
3670	{
3671	int rc = crViewportNotify(aScreenId, x, y, width, height);
3672	if (RT_FAILURE(rc))
3673	{
3674	DISPLAYFBINFO *pFb = &maFramebuffers[aScreenId];
3675	pFb->pendingViewportInfo.fPending = true;
3676	pFb->pendingViewportInfo.x = x;
3677	pFb->pendingViewportInfo.y = y;
3678	pFb->pendingViewportInfo.width = width;
3679	pFb->pendingViewportInfo.height = height;
3680	}
3681	}
3682	#endif /* VBOX_WITH_CROGL && VBOX_WITH_HGCM */
3683	return S_OK;
3684	}
3685
3686	STDMETHODIMP Display::QuerySourceBitmap(ULONG aScreenId,
3687	IDisplaySourceBitmap **aDisplaySourceBitmap)
3688	{
3689	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
3690
3691	AutoCaller autoCaller(this);
3692	if (FAILED(autoCaller.rc())) return autoCaller.rc();
3693
3694	Console::SafeVMPtr ptrVM(mParent);
3695	if (!ptrVM.isOk())
3696	return ptrVM.rc();
3697
3698	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3699
3700	if (aScreenId >= mcMonitors)
3701	return setError(E_INVALIDARG, tr("QuerySourceBitmap: Invalid screen %d (total %d)"),
3702	aScreenId, mcMonitors);
3703
3704	HRESULT hr = querySourceBitmap(aScreenId, aDisplaySourceBitmap);
3705
3706	alock.release();
3707
3708	LogRelFlowFunc(("%Rhrc\n", hr));
3709	return hr;
3710	}
3711
3712	// private methods
3713	/////////////////////////////////////////////////////////////////////////////
3714
3715	HRESULT Display::querySourceBitmap(ULONG aScreenId,
3716	IDisplaySourceBitmap **ppDisplaySourceBitmap)
3717	{
3718	HRESULT hr = S_OK;
3719
3720	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
3721	if (pFBInfo->pSourceBitmap.isNull())
3722	{
3723	/* Create a new object. */
3724	ComObjPtr<DisplaySourceBitmap> obj;
3725	hr = obj.createObject();
3726	if (SUCCEEDED(hr))
3727	{
3728	hr = obj->init(this, aScreenId, pFBInfo);
3729	}
3730
3731	if (SUCCEEDED(hr))
3732	{
3733	pFBInfo->pSourceBitmap = obj;
3734
3735	/* Whether VRAM must be copied to the internal buffer. */
3736	pFBInfo->fDefaultFormat = !obj->usesVRAM();
3737
3738	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3739	{
3740	/* Start buffer updates. */
3741	BYTE *pAddress = NULL;
3742	ULONG ulWidth = 0;
3743	ULONG ulHeight = 0;
3744	ULONG ulBitsPerPixel = 0;
3745	ULONG ulBytesPerLine = 0;
3746	ULONG ulPixelFormat = 0;
3747
3748	obj->QueryBitmapInfo(&pAddress,
3749	&ulWidth,
3750	&ulHeight,
3751	&ulBitsPerPixel,
3752	&ulBytesPerLine,
3753	&ulPixelFormat);
3754
3755	mpDrv->IConnector.pu8Data = pAddress;
3756	mpDrv->IConnector.cbScanline = ulBytesPerLine;
3757	mpDrv->IConnector.cBits = ulBitsPerPixel;
3758	mpDrv->IConnector.cx = ulWidth;
3759	mpDrv->IConnector.cy = ulHeight;
3760
3761	if (pFBInfo->fDefaultFormat)
3762	mpDrv->pUpPort->pfnSetRenderVRAM(mpDrv->pUpPort, true);
3763	}
3764
3765	if (pFBInfo->fDefaultFormat)
3766	{
3767	/* @todo make sure that the bitmap contains the latest image? */
3768	}
3769	}
3770	}
3771
3772	if (SUCCEEDED(hr))
3773	{
3774	pFBInfo->pSourceBitmap->AddRef();
3775	*ppDisplaySourceBitmap = pFBInfo->pSourceBitmap;
3776	}
3777
3778	return hr;
3779	}
3780
3781	/**
3782	* Helper to update the display information from the framebuffer.
3783	*
3784	* @thread EMT
3785	*/
3786	int Display::updateDisplayData(void)
3787	{
3788	LogRelFlowFunc(("\n"));
3789
3790	/* the driver might not have been constructed yet */
3791	if (!mpDrv)
3792	return VINF_SUCCESS;
3793
3794	#ifdef VBOX_STRICT
3795	/*
3796	* Sanity check. Note that this method may be called on EMT after Console
3797	* has started the power down procedure (but before our #drvDestruct() is
3798	* called, in which case pVM will already be NULL but mpDrv will not). Since
3799	* we don't really need pVM to proceed, we avoid this check in the release
3800	* build to save some ms (necessary to construct SafeVMPtrQuiet) in this
3801	* time-critical method.
3802	*/
3803	Console::SafeVMPtrQuiet ptrVM(mParent);
3804	if (ptrVM.isOk())
3805	{
3806	PVM pVM = VMR3GetVM(ptrVM.rawUVM());
3807	Assert(VM_IS_EMT(pVM));
3808	}
3809	#endif
3810
3811	/* The method is only relevant to the primary framebuffer. */
3812	IFramebuffer *pFramebuffer = maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].pFramebuffer;
3813
3814	if (pFramebuffer)
3815	{
3816	HRESULT rc;
3817	BYTE *address = 0;
3818	rc = pFramebuffer->COMGETTER(Address) (&address);
3819	AssertComRC (rc);
3820	ULONG bytesPerLine = 0;
3821	rc = pFramebuffer->COMGETTER(BytesPerLine) (&bytesPerLine);
3822	AssertComRC (rc);
3823	ULONG bitsPerPixel = 0;
3824	rc = pFramebuffer->COMGETTER(BitsPerPixel) (&bitsPerPixel);
3825	AssertComRC (rc);
3826	ULONG width = 0;
3827	rc = pFramebuffer->COMGETTER(Width) (&width);
3828	AssertComRC (rc);
3829	ULONG height = 0;
3830	rc = pFramebuffer->COMGETTER(Height) (&height);
3831	AssertComRC (rc);
3832
3833	if ( (width != mLastWidth && mLastWidth != 0)
3834	\|\| (height != mLastHeight && mLastHeight != 0))
3835	{
3836	LogRel(("updateDisplayData: size mismatch w %d(%d) h %d(%d)\n",
3837	width, mLastWidth, height, mLastHeight));
3838	return VERR_INVALID_STATE;
3839	}
3840
3841	mpDrv->IConnector.pu8Data = (uint8_t *) address;
3842	mpDrv->IConnector.cbScanline = bytesPerLine;
3843	mpDrv->IConnector.cBits = bitsPerPixel;
3844	mpDrv->IConnector.cx = width;
3845	mpDrv->IConnector.cy = height;
3846	}
3847	else
3848	{
3849	/* black hole */
3850	mpDrv->IConnector.pu8Data = NULL;
3851	mpDrv->IConnector.cbScanline = 0;
3852	mpDrv->IConnector.cBits = 0;
3853	mpDrv->IConnector.cx = 0;
3854	mpDrv->IConnector.cy = 0;
3855	}
3856	LogRelFlowFunc(("leave\n"));
3857	return VINF_SUCCESS;
3858	}
3859
3860	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
3861	int Display::crViewportNotify(ULONG aScreenId, ULONG x, ULONG y, ULONG width, ULONG height)
3862	{
3863	VMMDev *pVMMDev = mParent->getVMMDev();
3864	if (!pVMMDev)
3865	return VERR_INVALID_STATE;
3866
3867	size_t cbData = RT_UOFFSETOF(VBOXCRCMDCTL_HGCM, aParms[5]);
3868	VBOXCRCMDCTL_HGCM pData = (VBOXCRCMDCTL_HGCM)alloca(cbData);
3869
3870	pData->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
3871	pData->Hdr.u32Function = SHCRGL_HOST_FN_VIEWPORT_CHANGED;
3872
3873	pData->aParms[0].type = VBOX_HGCM_SVC_PARM_32BIT;
3874	pData->aParms[0].u.uint32 = aScreenId;
3875
3876	pData->aParms[1].type = VBOX_HGCM_SVC_PARM_32BIT;
3877	pData->aParms[1].u.uint32 = x;
3878
3879	pData->aParms[2].type = VBOX_HGCM_SVC_PARM_32BIT;
3880	pData->aParms[2].u.uint32 = y;
3881
3882	pData->aParms[3].type = VBOX_HGCM_SVC_PARM_32BIT;
3883	pData->aParms[3].u.uint32 = width;
3884
3885	pData->aParms[4].type = VBOX_HGCM_SVC_PARM_32BIT;
3886	pData->aParms[4].u.uint32 = height;
3887
3888	return crCtlSubmitSyncIfHasDataForScreen(aScreenId, &pData->Hdr, cbData);
3889	}
3890	#endif
3891
3892	#ifdef VBOX_WITH_CRHGSMI
3893	void Display::setupCrHgsmiData(void)
3894	{
3895	VMMDev *pVMMDev = mParent->getVMMDev();
3896	Assert(pVMMDev);
3897	int rc = RTCritSectRwEnterExcl(&mCrOglLock);
3898	AssertRC(rc);
3899
3900	if (pVMMDev)
3901	rc = pVMMDev->hgcmHostSvcHandleCreate("VBoxSharedCrOpenGL", &mhCrOglSvc);
3902	else
3903	rc = VERR_GENERAL_FAILURE;
3904
3905	if (RT_SUCCESS(rc))
3906	{
3907	Assert(mhCrOglSvc);
3908	/* setup command completion callback */
3909	VBOXVDMACMD_CHROMIUM_CTL_CRHGSMI_SETUP_MAINCB Completion;
3910	Completion.Hdr.enmType = VBOXVDMACMD_CHROMIUM_CTL_TYPE_CRHGSMI_SETUP_MAINCB;
3911	Completion.Hdr.cbCmd = sizeof (Completion);
3912	Completion.hCompletion = mpDrv->pVBVACallbacks;
3913	Completion.pfnCompletion = mpDrv->pVBVACallbacks->pfnCrHgsmiCommandCompleteAsync;
3914
3915	VBOXHGCMSVCPARM parm;
3916	parm.type = VBOX_HGCM_SVC_PARM_PTR;
3917	parm.u.pointer.addr = &Completion;
3918	parm.u.pointer.size = 0;
3919
3920	rc = pVMMDev->hgcmHostCall("VBoxSharedCrOpenGL", SHCRGL_HOST_FN_CRHGSMI_CTL, 1, &parm);
3921	if (RT_SUCCESS(rc))
3922	mCrOglCallbacks = Completion.MainInterface;
3923	else
3924	AssertMsgFailed(("VBOXVDMACMD_CHROMIUM_CTL_TYPE_CRHGSMI_SETUP_COMPLETION failed rc %d", rc));
3925	}
3926
3927	if (RT_FAILURE(rc))
3928	mhCrOglSvc = NULL;
3929
3930	RTCritSectRwLeaveExcl(&mCrOglLock);
3931	}
3932
3933	void Display::destructCrHgsmiData(void)
3934	{
3935	int rc = RTCritSectRwEnterExcl(&mCrOglLock);
3936	AssertRC(rc);
3937	mhCrOglSvc = NULL;
3938	RTCritSectRwLeaveExcl(&mCrOglLock);
3939	}
3940	#endif
3941
3942	/**
3943	* Changes the current frame buffer. Called on EMT to avoid both
3944	* race conditions and excessive locking.
3945	*
3946	* @note locks this object for writing
3947	* @thread EMT
3948	*/
3949	/* static */
3950	DECLCALLBACK(int) Display::changeFramebuffer (Display that, IFramebuffer aFB,
3951	unsigned uScreenId)
3952	{
3953	LogRelFlowFunc(("uScreenId = %d\n", uScreenId));
3954
3955	AssertReturn(that, VERR_INVALID_PARAMETER);
3956	AssertReturn(uScreenId < that->mcMonitors, VERR_INVALID_PARAMETER);
3957
3958	AutoCaller autoCaller(that);
3959	if (FAILED(autoCaller.rc())) return autoCaller.rc();
3960
3961	AutoWriteLock alock(that COMMA_LOCKVAL_SRC_POS);
3962
3963	DISPLAYFBINFO *pDisplayFBInfo = &that->maFramebuffers[uScreenId];
3964	pDisplayFBInfo->pFramebuffer = aFB;
3965
3966	that->mParent->consoleVRDPServer()->SendResize ();
3967
3968	/* The driver might not have been constructed yet */
3969	if (that->mpDrv)
3970	{
3971	/* Setup the new framebuffer, the resize will lead to an updateDisplayData call. */
3972	DISPLAYFBINFO *pFBInfo = &that->maFramebuffers[uScreenId];
3973
3974	#if defined(VBOX_WITH_CROGL)
3975	/* Release the lock, because SHCRGL_HOST_FN_SCREEN_CHANGED will read current framebuffer */
3976	{
3977	BOOL is3denabled;
3978	that->mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
3979
3980	if (is3denabled)
3981	{
3982	alock.release();
3983	}
3984	}
3985	#endif
3986
3987	if (pFBInfo->fVBVAEnabled && pFBInfo->pu8FramebufferVRAM)
3988	{
3989	/* This display in VBVA mode. Resize it to the last guest resolution,
3990	* if it has been reported.
3991	*/
3992	that->handleDisplayResize(uScreenId, pFBInfo->u16BitsPerPixel,
3993	pFBInfo->pu8FramebufferVRAM,
3994	pFBInfo->u32LineSize,
3995	pFBInfo->w,
3996	pFBInfo->h,
3997	pFBInfo->flags);
3998	}
3999	else if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
4000	{
4001	/* VGA device mode, only for the primary screen. */
4002	that->handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, that->mLastBitsPerPixel,
4003	that->mLastAddress,
4004	that->mLastBytesPerLine,
4005	that->mLastWidth,
4006	that->mLastHeight,
4007	that->mLastFlags);
4008	}
4009	}
4010
4011	LogRelFlowFunc(("leave\n"));
4012	return VINF_SUCCESS;
4013	}
4014
4015	/**
4016	* Handle display resize event issued by the VGA device for the primary screen.
4017	*
4018	* @see PDMIDISPLAYCONNECTOR::pfnResize
4019	*/
4020	DECLCALLBACK(int) Display::displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface,
4021	uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy)
4022	{
4023	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4024
4025	LogRelFlowFunc(("bpp %d, pvVRAM %p, cbLine %d, cx %d, cy %d\n",
4026	bpp, pvVRAM, cbLine, cx, cy));
4027
4028	return pDrv->pDisplay->handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, bpp, pvVRAM, cbLine, cx, cy, VBVA_SCREEN_F_ACTIVE);
4029	}
4030
4031	/**
4032	* Handle display update.
4033	*
4034	* @see PDMIDISPLAYCONNECTOR::pfnUpdateRect
4035	*/
4036	DECLCALLBACK(void) Display::displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
4037	uint32_t x, uint32_t y, uint32_t cx, uint32_t cy)
4038	{
4039	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4040
4041	#ifdef DEBUG_sunlover
4042	LogFlowFunc(("mfVideoAccelEnabled = %d, %d,%d %dx%d\n",
4043	pDrv->pDisplay->mfVideoAccelEnabled, x, y, cx, cy));
4044	#endif /* DEBUG_sunlover */
4045
4046	/* This call does update regardless of VBVA status.
4047	* But in VBVA mode this is called only as result of
4048	* pfnUpdateDisplayAll in the VGA device.
4049	*/
4050
4051	pDrv->pDisplay->handleDisplayUpdate(VBOX_VIDEO_PRIMARY_SCREEN, x, y, cx, cy);
4052	}
4053
4054	/**
4055	* Periodic display refresh callback.
4056	*
4057	* @see PDMIDISPLAYCONNECTOR::pfnRefresh
4058	* @thread EMT
4059	*/
4060	DECLCALLBACK(void) Display::displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface)
4061	{
4062	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4063
4064	#ifdef DEBUG_sunlover
4065	STAM_PROFILE_START(&g_StatDisplayRefresh, a);
4066	#endif /* DEBUG_sunlover */
4067
4068	#ifdef DEBUG_sunlover_2
4069	LogFlowFunc(("pDrv->pDisplay->mfVideoAccelEnabled = %d\n",
4070	pDrv->pDisplay->mfVideoAccelEnabled));
4071	#endif /* DEBUG_sunlover_2 */
4072
4073	Display *pDisplay = pDrv->pDisplay;
4074	bool fNoUpdate = false; /* Do not update the display if any of the framebuffers is being resized. */
4075	unsigned uScreenId;
4076
4077	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
4078	{
4079	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
4080
4081	/* Check the resize status. The status can be checked normally because
4082	* the status affects only the EMT.
4083	*/
4084	uint32_t u32ResizeStatus = pFBInfo->u32ResizeStatus;
4085
4086	if (u32ResizeStatus == ResizeStatus_UpdateDisplayData)
4087	{
4088	LogRelFlowFunc(("ResizeStatus_UpdateDisplayData %d\n", uScreenId));
4089	fNoUpdate = true; /* Always set it here, because pfnUpdateDisplayAll can cause a new resize. */
4090	/* The framebuffer was resized and display data need to be updated. */
4091	pDisplay->handleResizeCompletedEMT(uScreenId);
4092	if (pFBInfo->u32ResizeStatus != ResizeStatus_Void)
4093	{
4094	/* The resize status could be not Void here because a pending resize is issued. */
4095	continue;
4096	}
4097
4098	/* Repaint the display because VM continued to run during the framebuffer resize. */
4099	pDisplay->InvalidateAndUpdateEMT(pDisplay, uScreenId, false);
4100
4101	/* Continue with normal processing because the status here is ResizeStatus_Void. */
4102	}
4103	else if (u32ResizeStatus == ResizeStatus_InProgress)
4104	{
4105	/* The framebuffer is being resized. Do not call the VGA device back. Immediately return. */
4106	LogRelFlowFunc(("ResizeStatus_InProcess\n"));
4107	fNoUpdate = true;
4108	continue;
4109	}
4110	}
4111
4112	if (!fNoUpdate)
4113	{
4114	int rc = pDisplay->videoAccelRefreshProcess();
4115	if (rc != VINF_TRY_AGAIN) /* Means 'do nothing' here. */
4116	{
4117	if (rc == VWRN_INVALID_STATE)
4118	{
4119	/* No VBVA do a display update. */
4120	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN];
4121	if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
4122	{
4123	pDisplay->vbvaLock();
4124	pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
4125	pDisplay->vbvaUnlock();
4126	}
4127	}
4128
4129	/* Inform the VRDP server that the current display update sequence is
4130	* completed. At this moment the framebuffer memory contains a definite
4131	* image, that is synchronized with the orders already sent to VRDP client.
4132	* The server can now process redraw requests from clients or initial
4133	* fullscreen updates for new clients.
4134	*/
4135	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
4136	{
4137	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
4138
4139	if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
4140	{
4141	Assert (pDisplay->mParent && pDisplay->mParent->consoleVRDPServer());
4142	pDisplay->mParent->consoleVRDPServer()->SendUpdate (uScreenId, NULL, 0);
4143	}
4144	}
4145	}
4146	}
4147
4148	#ifdef VBOX_WITH_VPX
4149	if (VideoRecIsEnabled(pDisplay->mpVideoRecCtx))
4150	{
4151	do {
4152	# if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
4153	BOOL is3denabled;
4154	pDisplay->mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
4155	if (is3denabled)
4156	{
4157	if (ASMAtomicCmpXchgU32(&pDisplay->mfCrOglVideoRecState, CRVREC_STATE_SUBMITTED, CRVREC_STATE_IDLE))
4158	{
4159	if (pDisplay->mCrOglCallbacks.pfnHasData())
4160	{
4161	/* submit */
4162	VBOXCRCMDCTL_HGCM *pData = &pDisplay->mCrOglScreenshotCtl;
4163
4164	pData->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
4165	pData->Hdr.u32Function = SHCRGL_HOST_FN_TAKE_SCREENSHOT;
4166
4167	pData->aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
4168	pData->aParms[0].u.pointer.addr = &pDisplay->mCrOglScreenshotData;
4169	pData->aParms[0].u.pointer.size = sizeof (pDisplay->mCrOglScreenshotData);
4170	int rc = pDisplay->crCtlSubmit(&pData->Hdr, sizeof (*pData), displayCrCmdFree, pData);
4171	if (!RT_SUCCESS(rc))
4172	AssertMsgFailed(("crCtlSubmit failed rc %d\n", rc));
4173	}
4174
4175	/* no 3D data available, or error has occured,
4176	* go the straight way */
4177	ASMAtomicWriteU32(&pDisplay->mfCrOglVideoRecState, CRVREC_STATE_IDLE);
4178	}
4179	else
4180	{
4181	/* record request is still in progress, don't do anything */
4182	break;
4183	}
4184	}
4185	# endif /* VBOX_WITH_HGCM && VBOX_WITH_CROGL */
4186
4187	uint64_t u64Now = RTTimeProgramMilliTS();
4188	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
4189	{
4190	if (!pDisplay->maVideoRecEnabled[uScreenId])
4191	continue;
4192
4193	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
4194
4195	if ( !pFBInfo->pFramebuffer.isNull()
4196	&& !pFBInfo->fDisabled
4197	&& pFBInfo->u32ResizeStatus == ResizeStatus_Void)
4198	{
4199	int rc;
4200	if ( pFBInfo->fVBVAEnabled
4201	&& pFBInfo->pu8FramebufferVRAM)
4202	{
4203	rc = VideoRecCopyToIntBuf(pDisplay->mpVideoRecCtx, uScreenId, 0, 0,
4204	FramebufferPixelFormat_FOURCC_RGB,
4205	pFBInfo->u16BitsPerPixel,
4206	pFBInfo->u32LineSize, pFBInfo->w, pFBInfo->h,
4207	pFBInfo->pu8FramebufferVRAM, u64Now);
4208	}
4209	else
4210	{
4211	rc = VideoRecCopyToIntBuf(pDisplay->mpVideoRecCtx, uScreenId, 0, 0,
4212	FramebufferPixelFormat_FOURCC_RGB,
4213	pDrv->IConnector.cBits,
4214	pDrv->IConnector.cbScanline, pDrv->IConnector.cx,
4215	pDrv->IConnector.cy, pDrv->IConnector.pu8Data, u64Now);
4216	}
4217	if (rc == VINF_TRY_AGAIN)
4218	break;
4219	}
4220	}
4221	} while (0);
4222	}
4223	#endif /* VBOX_WITH_VPX */
4224
4225	#ifdef DEBUG_sunlover
4226	STAM_PROFILE_STOP(&g_StatDisplayRefresh, a);
4227	#endif /* DEBUG_sunlover */
4228	#ifdef DEBUG_sunlover_2
4229	LogFlowFunc(("leave\n"));
4230	#endif /* DEBUG_sunlover_2 */
4231	}
4232
4233	/**
4234	* Reset notification
4235	*
4236	* @see PDMIDISPLAYCONNECTOR::pfnReset
4237	*/
4238	DECLCALLBACK(void) Display::displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface)
4239	{
4240	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4241
4242	LogRelFlowFunc(("\n"));
4243
4244	/* Disable VBVA mode. */
4245	pDrv->pDisplay->VideoAccelEnable (false, NULL);
4246	}
4247
4248	/**
4249	* LFBModeChange notification
4250	*
4251	* @see PDMIDISPLAYCONNECTOR::pfnLFBModeChange
4252	*/
4253	DECLCALLBACK(void) Display::displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled)
4254	{
4255	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4256
4257	LogRelFlowFunc(("fEnabled=%d\n", fEnabled));
4258
4259	NOREF(fEnabled);
4260
4261	/* Disable VBVA mode in any case. The guest driver reenables VBVA mode if necessary. */
4262	/* The LFBModeChange function is called under DevVGA lock. Postpone disabling VBVA, do it in the refresh timer. */
4263	ASMAtomicWriteU32(&pDrv->pDisplay->mfu32PendingVideoAccelDisable, true);
4264	}
4265
4266	/**
4267	* Adapter information change notification.
4268	*
4269	* @see PDMIDISPLAYCONNECTOR::pfnProcessAdapterData
4270	*/
4271	DECLCALLBACK(void) Display::displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM,
4272	uint32_t u32VRAMSize)
4273	{
4274	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4275
4276	if (pvVRAM == NULL)
4277	{
4278	unsigned i;
4279	for (i = 0; i < pDrv->pDisplay->mcMonitors; i++)
4280	{
4281	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[i];
4282
4283	pFBInfo->u32Offset = 0;
4284	pFBInfo->u32MaxFramebufferSize = 0;
4285	pFBInfo->u32InformationSize = 0;
4286	}
4287	}
4288	#ifndef VBOX_WITH_HGSMI
4289	else
4290	{
4291	uint8_t pu8 = (uint8_t )pvVRAM;
4292	pu8 += u32VRAMSize - VBOX_VIDEO_ADAPTER_INFORMATION_SIZE;
4293
4294	// @todo
4295	uint8_t *pu8End = pu8 + VBOX_VIDEO_ADAPTER_INFORMATION_SIZE;
4296
4297	VBOXVIDEOINFOHDR *pHdr;
4298
4299	for (;;)
4300	{
4301	pHdr = (VBOXVIDEOINFOHDR *)pu8;
4302	pu8 += sizeof (VBOXVIDEOINFOHDR);
4303
4304	if (pu8 >= pu8End)
4305	{
4306	LogRel(("VBoxVideo: Guest adapter information overflow!!!\n"));
4307	break;
4308	}
4309
4310	if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_DISPLAY)
4311	{
4312	if (pHdr->u16Length != sizeof (VBOXVIDEOINFODISPLAY))
4313	{
4314	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "DISPLAY", pHdr->u16Length));
4315	break;
4316	}
4317
4318	VBOXVIDEOINFODISPLAY pDisplay = (VBOXVIDEOINFODISPLAY )pu8;
4319
4320	if (pDisplay->u32Index >= pDrv->pDisplay->mcMonitors)
4321	{
4322	LogRel(("VBoxVideo: Guest adapter information invalid display index %d!!!\n", pDisplay->u32Index));
4323	break;
4324	}
4325
4326	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[pDisplay->u32Index];
4327
4328	pFBInfo->u32Offset = pDisplay->u32Offset;
4329	pFBInfo->u32MaxFramebufferSize = pDisplay->u32FramebufferSize;
4330	pFBInfo->u32InformationSize = pDisplay->u32InformationSize;
4331
4332	LogRelFlow(("VBOX_VIDEO_INFO_TYPE_DISPLAY: %d: at 0x%08X, size 0x%08X, info 0x%08X\n", pDisplay->u32Index,
4333	pDisplay->u32Offset, pDisplay->u32FramebufferSize, pDisplay->u32InformationSize));
4334	}
4335	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_QUERY_CONF32)
4336	{
4337	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOQUERYCONF32))
4338	{
4339	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "CONF32", pHdr->u16Length));
4340	break;
4341	}
4342
4343	VBOXVIDEOINFOQUERYCONF32 pConf32 = (VBOXVIDEOINFOQUERYCONF32 )pu8;
4344
4345	switch (pConf32->u32Index)
4346	{
4347	case VBOX_VIDEO_QCI32_MONITOR_COUNT:
4348	{
4349	pConf32->u32Value = pDrv->pDisplay->mcMonitors;
4350	} break;
4351
4352	case VBOX_VIDEO_QCI32_OFFSCREEN_HEAP_SIZE:
4353	{
4354	/* @todo make configurable. */
4355	pConf32->u32Value = _1M;
4356	} break;
4357
4358	default:
4359	LogRel(("VBoxVideo: CONF32 %d not supported!!! Skipping.\n", pConf32->u32Index));
4360	}
4361	}
4362	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
4363	{
4364	if (pHdr->u16Length != 0)
4365	{
4366	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
4367	break;
4368	}
4369
4370	break;
4371	}
4372	else if (pHdr->u8Type != VBOX_VIDEO_INFO_TYPE_NV_HEAP) /** @todo why is
4373	Additions/WINNT/Graphics/Miniport/VBoxVideo. cpp
4374	pushing this to us? */
4375	{
4376	LogRel(("Guest adapter information contains unsupported type %d. The block has been skipped.\n", pHdr->u8Type));
4377	}
4378
4379	pu8 += pHdr->u16Length;
4380	}
4381	}
4382	#endif /* !VBOX_WITH_HGSMI */
4383	}
4384
4385	/**
4386	* Display information change notification.
4387	*
4388	* @see PDMIDISPLAYCONNECTOR::pfnProcessDisplayData
4389	*/
4390	DECLCALLBACK(void) Display::displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, unsigned uScreenId)
4391	{
4392	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4393
4394	if (uScreenId >= pDrv->pDisplay->mcMonitors)
4395	{
4396	LogRel(("VBoxVideo: Guest display information invalid display index %d!!!\n", uScreenId));
4397	return;
4398	}
4399
4400	/* Get the display information structure. */
4401	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[uScreenId];
4402
4403	uint8_t pu8 = (uint8_t )pvVRAM;
4404	pu8 += pFBInfo->u32Offset + pFBInfo->u32MaxFramebufferSize;
4405
4406	// @todo
4407	uint8_t *pu8End = pu8 + pFBInfo->u32InformationSize;
4408
4409	VBOXVIDEOINFOHDR *pHdr;
4410
4411	for (;;)
4412	{
4413	pHdr = (VBOXVIDEOINFOHDR *)pu8;
4414	pu8 += sizeof (VBOXVIDEOINFOHDR);
4415
4416	if (pu8 >= pu8End)
4417	{
4418	LogRel(("VBoxVideo: Guest display information overflow!!!\n"));
4419	break;
4420	}
4421
4422	if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_SCREEN)
4423	{
4424	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOSCREEN))
4425	{
4426	LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "SCREEN", pHdr->u16Length));
4427	break;
4428	}
4429
4430	VBOXVIDEOINFOSCREEN pScreen = (VBOXVIDEOINFOSCREEN )pu8;
4431
4432	pFBInfo->xOrigin = pScreen->xOrigin;
4433	pFBInfo->yOrigin = pScreen->yOrigin;
4434
4435	pFBInfo->w = pScreen->u16Width;
4436	pFBInfo->h = pScreen->u16Height;
4437
4438	LogRelFlow(("VBOX_VIDEO_INFO_TYPE_SCREEN: (%p) %d: at %d,%d, linesize 0x%X, size %dx%d, bpp %d, flags 0x%02X\n",
4439	pHdr, uScreenId, pScreen->xOrigin, pScreen->yOrigin, pScreen->u32LineSize, pScreen->u16Width,
4440	pScreen->u16Height, pScreen->bitsPerPixel, pScreen->u8Flags));
4441
4442	if (uScreenId != VBOX_VIDEO_PRIMARY_SCREEN)
4443	{
4444	/* Primary screen resize is eeeeeeeee by the VGA device. */
4445	if (pFBInfo->fDisabled)
4446	{
4447	pFBInfo->fDisabled = false;
4448	fireGuestMonitorChangedEvent(pDrv->pDisplay->mParent->getEventSource(),
4449	GuestMonitorChangedEventType_Enabled,
4450	uScreenId,
4451	pFBInfo->xOrigin, pFBInfo->yOrigin,
4452	pFBInfo->w, pFBInfo->h);
4453	}
4454
4455	pDrv->pDisplay->handleDisplayResize(uScreenId, pScreen->bitsPerPixel,
4456	(uint8_t *)pvVRAM + pFBInfo->u32Offset,
4457	pScreen->u32LineSize,
4458	pScreen->u16Width, pScreen->u16Height,
4459	VBVA_SCREEN_F_ACTIVE);
4460	}
4461	}
4462	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
4463	{
4464	if (pHdr->u16Length != 0)
4465	{
4466	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
4467	break;
4468	}
4469
4470	break;
4471	}
4472	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_HOST_EVENTS)
4473	{
4474	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOHOSTEVENTS))
4475	{
4476	LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "HOST_EVENTS", pHdr->u16Length));
4477	break;
4478	}
4479
4480	VBOXVIDEOINFOHOSTEVENTS pHostEvents = (VBOXVIDEOINFOHOSTEVENTS )pu8;
4481
4482	pFBInfo->pHostEvents = pHostEvents;
4483
4484	LogFlow(("VBOX_VIDEO_INFO_TYPE_HOSTEVENTS: (%p)\n",
4485	pHostEvents));
4486	}
4487	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_LINK)
4488	{
4489	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOLINK))
4490	{
4491	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "LINK", pHdr->u16Length));
4492	break;
4493	}
4494
4495	VBOXVIDEOINFOLINK pLink = (VBOXVIDEOINFOLINK )pu8;
4496	pu8 += pLink->i32Offset;
4497	}
4498	else
4499	{
4500	LogRel(("Guest display information contains unsupported type %d\n", pHdr->u8Type));
4501	}
4502
4503	pu8 += pHdr->u16Length;
4504	}
4505	}
4506
4507	#ifdef VBOX_WITH_VIDEOHWACCEL
4508
4509	#ifndef S_FALSE
4510	# define S_FALSE ((HRESULT)1L)
4511	#endif
4512
4513	int Display::handleVHWACommandProcess(PVBOXVHWACMD pCommand)
4514	{
4515	unsigned id = (unsigned)pCommand->iDisplay;
4516	int rc = VINF_SUCCESS;
4517	if (id >= mcMonitors)
4518	return VERR_INVALID_PARAMETER;
4519
4520	ComPtr<IFramebuffer> pFramebuffer;
4521	AutoReadLock arlock(this COMMA_LOCKVAL_SRC_POS);
4522	pFramebuffer = maFramebuffers[id].pFramebuffer;
4523	arlock.release();
4524
4525	if (pFramebuffer == NULL)
4526	return VERR_INVALID_STATE; /* notify we can not handle request atm */
4527
4528	HRESULT hr = pFramebuffer->ProcessVHWACommand((BYTE*)pCommand);
4529	if (hr == S_FALSE)
4530	return VINF_SUCCESS;
4531	else if (SUCCEEDED(hr))
4532	return VINF_CALLBACK_RETURN;
4533	else if (hr == E_ACCESSDENIED)
4534	return VERR_INVALID_STATE; /* notify we can not handle request atm */
4535	else if (hr == E_NOTIMPL)
4536	return VERR_NOT_IMPLEMENTED;
4537	return VERR_GENERAL_FAILURE;
4538	}
4539
4540	DECLCALLBACK(int) Display::displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand)
4541	{
4542	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4543
4544	return pDrv->pDisplay->handleVHWACommandProcess(pCommand);
4545	}
4546	#endif
4547
4548	#ifdef VBOX_WITH_CRHGSMI
4549	void Display::handleCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam)
4550	{
4551	mpDrv->pVBVACallbacks->pfnCrHgsmiCommandCompleteAsync(mpDrv->pVBVACallbacks,
4552	(PVBOXVDMACMD_CHROMIUM_CMD)pParam->u.pointer.addr, result);
4553	}
4554
4555	void Display::handleCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam)
4556	{
4557	PVBOXVDMACMD_CHROMIUM_CTL pCtl = (PVBOXVDMACMD_CHROMIUM_CTL)pParam->u.pointer.addr;
4558	mpDrv->pVBVACallbacks->pfnCrHgsmiControlCompleteAsync(mpDrv->pVBVACallbacks, pCtl, result);
4559	}
4560
4561	void Display::handleCrHgsmiCommandProcess(PVBOXVDMACMD_CHROMIUM_CMD pCmd, uint32_t cbCmd)
4562	{
4563	int rc = VERR_NOT_SUPPORTED;
4564	VBOXHGCMSVCPARM parm;
4565	parm.type = VBOX_HGCM_SVC_PARM_PTR;
4566	parm.u.pointer.addr = pCmd;
4567	parm.u.pointer.size = cbCmd;
4568
4569	if (mhCrOglSvc)
4570	{
4571	VMMDev *pVMMDev = mParent->getVMMDev();
4572	if (pVMMDev)
4573	{
4574	/* no completion callback is specified with this call,
4575	* the CrOgl code will complete the CrHgsmi command once it processes it */
4576	rc = pVMMDev->hgcmHostFastCallAsync(mhCrOglSvc, SHCRGL_HOST_FN_CRHGSMI_CMD, &parm, NULL, NULL);
4577	AssertRC(rc);
4578	if (RT_SUCCESS(rc))
4579	return;
4580	}
4581	else
4582	rc = VERR_INVALID_STATE;
4583	}
4584
4585	/* we are here because something went wrong with command processing, complete it */
4586	handleCrHgsmiCommandCompletion(rc, SHCRGL_HOST_FN_CRHGSMI_CMD, &parm);
4587	}
4588
4589	void Display::handleCrHgsmiControlProcess(PVBOXVDMACMD_CHROMIUM_CTL pCtl, uint32_t cbCtl)
4590	{
4591	int rc = VERR_NOT_SUPPORTED;
4592	VBOXHGCMSVCPARM parm;
4593	parm.type = VBOX_HGCM_SVC_PARM_PTR;
4594	parm.u.pointer.addr = pCtl;
4595	parm.u.pointer.size = cbCtl;
4596
4597	if (mhCrOglSvc)
4598	{
4599	VMMDev *pVMMDev = mParent->getVMMDev();
4600	if (pVMMDev)
4601	{
4602	bool fCheckPendingViewport = (pCtl->enmType == VBOXVDMACMD_CHROMIUM_CTL_TYPE_CRHGSMI_SETUP);
4603	rc = pVMMDev->hgcmHostFastCallAsync(mhCrOglSvc, SHCRGL_HOST_FN_CRHGSMI_CTL, &parm,
4604	Display::displayCrHgsmiControlCompletion, this);
4605	AssertRC(rc);
4606	if (RT_SUCCESS(rc))
4607	{
4608	if (fCheckPendingViewport)
4609	{
4610	ULONG ul;
4611	for (ul = 0; ul < mcMonitors; ul++)
4612	{
4613	DISPLAYFBINFO *pFb = &maFramebuffers[ul];
4614	if (!pFb->pendingViewportInfo.fPending)
4615	continue;
4616
4617	rc = crViewportNotify(ul, pFb->pendingViewportInfo.x, pFb->pendingViewportInfo.y,
4618	pFb->pendingViewportInfo.width, pFb->pendingViewportInfo.height);
4619	if (RT_SUCCESS(rc))
4620	pFb->pendingViewportInfo.fPending = false;
4621	else
4622	{
4623	AssertMsgFailed(("crViewportNotify failed %d\n", rc));
4624	rc = VINF_SUCCESS;
4625	}
4626	}
4627	}
4628	return;
4629	}
4630	}
4631	else
4632	rc = VERR_INVALID_STATE;
4633	}
4634
4635	/* we are here because something went wrong with command processing, complete it */
4636	handleCrHgsmiControlCompletion(rc, SHCRGL_HOST_FN_CRHGSMI_CTL, &parm);
4637	}
4638
4639	DECLCALLBACK(void) Display::displayCrHgsmiCommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CMD pCmd,
4640	uint32_t cbCmd)
4641	{
4642	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4643
4644	pDrv->pDisplay->handleCrHgsmiCommandProcess(pCmd, cbCmd);
4645	}
4646
4647	DECLCALLBACK(void) Display::displayCrHgsmiControlProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CTL pCmd,
4648	uint32_t cbCmd)
4649	{
4650	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4651
4652	pDrv->pDisplay->handleCrHgsmiControlProcess(pCmd, cbCmd);
4653	}
4654
4655	DECLCALLBACK(void) Display::displayCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
4656	void *pvContext)
4657	{
4658	AssertMsgFailed(("not expected!"));
4659	Display pDisplay = (Display )pvContext;
4660	pDisplay->handleCrHgsmiCommandCompletion(result, u32Function, pParam);
4661	}
4662
4663	DECLCALLBACK(void) Display::displayCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
4664	void *pvContext)
4665	{
4666	Display pDisplay = (Display )pvContext;
4667	pDisplay->handleCrHgsmiControlCompletion(result, u32Function, pParam);
4668
4669	}
4670	#endif
4671
4672	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
4673	DECLCALLBACK(void) Display::displayCrHgcmCtlSubmitCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
4674	void *pvContext)
4675	{
4676	VBOXCRCMDCTL pCmd = (VBOXCRCMDCTL)pParam->u.pointer.addr;
4677	if (pCmd->u.pfnInternal)
4678	((PFNCRCTLCOMPLETION)pCmd->u.pfnInternal)(pCmd, pParam->u.pointer.size, result, pvContext);
4679	}
4680
4681	int Display::handleCrHgcmCtlSubmit(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd,
4682	PFNCRCTLCOMPLETION pfnCompletion,
4683	void *pvCompletion)
4684	{
4685	VMMDev *pVMMDev = mParent ? mParent->getVMMDev() : NULL;
4686	if (!pVMMDev)
4687	{
4688	AssertMsgFailed(("no vmmdev\n"));
4689	return VERR_INVALID_STATE;
4690	}
4691
4692	Assert(mhCrOglSvc);
4693	VBOXHGCMSVCPARM parm;
4694	parm.type = VBOX_HGCM_SVC_PARM_PTR;
4695	parm.u.pointer.addr = pCmd;
4696	parm.u.pointer.size = cbCmd;
4697
4698	pCmd->u.pfnInternal = (void(*)())pfnCompletion;
4699	int rc = pVMMDev->hgcmHostFastCallAsync(mhCrOglSvc, SHCRGL_HOST_FN_CTL, &parm, displayCrHgcmCtlSubmitCompletion,
4700	pvCompletion);
4701	if (!RT_SUCCESS(rc))
4702	AssertMsgFailed(("hgcmHostFastCallAsync failed rc %d\n", rc));
4703
4704	return rc;
4705	}
4706
4707	DECLCALLBACK(int) Display::displayCrHgcmCtlSubmit(PPDMIDISPLAYCONNECTOR pInterface,
4708	struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd,
4709	PFNCRCTLCOMPLETION pfnCompletion,
4710	void *pvCompletion)
4711	{
4712	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4713	Display *pThis = pDrv->pDisplay;
4714	return pThis->handleCrHgcmCtlSubmit(pCmd, cbCmd, pfnCompletion, pvCompletion);
4715	}
4716
4717	int Display::crCtlSubmit(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd, PFNCRCTLCOMPLETION pfnCompletion, void *pvCompletion)
4718	{
4719	int rc = RTCritSectRwEnterShared(&mCrOglLock);
4720	if (RT_SUCCESS(rc))
4721	{
4722	if (mhCrOglSvc)
4723	rc = mpDrv->pVBVACallbacks->pfnCrCtlSubmit(mpDrv->pVBVACallbacks, pCmd, cbCmd, pfnCompletion, pvCompletion);
4724	else
4725	rc = VERR_NOT_SUPPORTED;
4726
4727	RTCritSectRwLeaveShared(&mCrOglLock);
4728	}
4729	return rc;
4730	}
4731
4732	int Display::crCtlSubmitSync(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd)
4733	{
4734	int rc = RTCritSectRwEnterShared(&mCrOglLock);
4735	if (RT_SUCCESS(rc))
4736	{
4737	if (mhCrOglSvc)
4738	rc = mpDrv->pVBVACallbacks->pfnCrCtlSubmitSync(mpDrv->pVBVACallbacks, pCmd, cbCmd);
4739	else
4740	rc = VERR_NOT_SUPPORTED;
4741
4742	RTCritSectRwLeaveShared(&mCrOglLock);
4743	}
4744	return rc;
4745	}
4746
4747	int Display::crCtlSubmitSyncIfHasDataForScreen(uint32_t u32ScreenID, struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd)
4748	{
4749	if (mCrOglCallbacks.pfnHasDataForScreen(u32ScreenID))
4750	return crCtlSubmitSync(pCmd, cbCmd);
4751
4752	VBOXCRCMDCTL* pCmdCopy = (VBOXCRCMDCTL*)RTMemAlloc(cbCmd);
4753	if (!pCmdCopy)
4754	{
4755	LogRel(("RTMemAlloc failed\n"));
4756	return VERR_NO_MEMORY;
4757	}
4758
4759	memcpy(pCmdCopy, pCmd, cbCmd);
4760
4761	int rc = crCtlSubmit(pCmdCopy, cbCmd, displayCrCmdFree, pCmdCopy);
4762	if (RT_FAILURE(rc))
4763	{
4764	LogRel(("crCtlSubmit failed %d\n", rc));
4765	RTMemFree(pCmdCopy);
4766	return rc;
4767	}
4768
4769	return VINF_SUCCESS;
4770	}
4771
4772	bool Display::handleCrVRecScreenshotBegin(uint32_t uScreen, uint64_t u64TimeStamp)
4773	{
4774	# if VBOX_WITH_VPX
4775	return VideoRecIsReady(mpVideoRecCtx, uScreen, u64TimeStamp);
4776	# else
4777	return false;
4778	# endif
4779	}
4780
4781	void Display::handleCrVRecScreenshotEnd(uint32_t uScreen, uint64_t u64TimeStamp)
4782	{
4783	}
4784
4785	void Display::handleCrVRecScreenshotPerform(uint32_t uScreen,
4786	uint32_t x, uint32_t y, uint32_t uPixelFormat,
4787	uint32_t uBitsPerPixel, uint32_t uBytesPerLine,
4788	uint32_t uGuestWidth, uint32_t uGuestHeight,
4789	uint8_t *pu8BufferAddress, uint64_t u64TimeStamp)
4790	{
4791	Assert(mfCrOglVideoRecState == CRVREC_STATE_SUBMITTED);
4792	# if VBOX_WITH_VPX
4793	int rc = VideoRecCopyToIntBuf(mpVideoRecCtx, uScreen, x, y,
4794	uPixelFormat,
4795	uBitsPerPixel, uBytesPerLine,
4796	uGuestWidth, uGuestHeight,
4797	pu8BufferAddress, u64TimeStamp);
4798	Assert(rc == VINF_SUCCESS /* \|\| rc == VERR_TRY_AGAIN \|\| rc == VINF_TRY_AGAIN*/);
4799	# endif
4800	}
4801
4802	void Display::handleVRecCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam, void *pvContext)
4803	{
4804	Assert(mfCrOglVideoRecState == CRVREC_STATE_SUBMITTED);
4805	ASMAtomicWriteU32(&mfCrOglVideoRecState, CRVREC_STATE_IDLE);
4806	}
4807
4808	DECLCALLBACK(void) Display::displayCrVRecScreenshotPerform(void *pvCtx, uint32_t uScreen,
4809	uint32_t x, uint32_t y,
4810	uint32_t uBitsPerPixel, uint32_t uBytesPerLine,
4811	uint32_t uGuestWidth, uint32_t uGuestHeight,
4812	uint8_t *pu8BufferAddress, uint64_t u64TimeStamp)
4813	{
4814	Display pDisplay = (Display )pvCtx;
4815	pDisplay->handleCrVRecScreenshotPerform(uScreen,
4816	x, y, FramebufferPixelFormat_FOURCC_RGB, uBitsPerPixel,
4817	uBytesPerLine, uGuestWidth, uGuestHeight,
4818	pu8BufferAddress, u64TimeStamp);
4819	}
4820
4821	DECLCALLBACK(bool) Display::displayCrVRecScreenshotBegin(void *pvCtx, uint32_t uScreen, uint64_t u64TimeStamp)
4822	{
4823	Display pDisplay = (Display )pvCtx;
4824	return pDisplay->handleCrVRecScreenshotBegin(uScreen, u64TimeStamp);
4825	}
4826
4827	DECLCALLBACK(void) Display::displayCrVRecScreenshotEnd(void *pvCtx, uint32_t uScreen, uint64_t u64TimeStamp)
4828	{
4829	Display pDisplay = (Display )pvCtx;
4830	pDisplay->handleCrVRecScreenshotEnd(uScreen, u64TimeStamp);
4831	}
4832
4833	DECLCALLBACK(void) Display::displayVRecCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam, void *pvContext)
4834	{
4835	Display pDisplay = (Display )pvContext;
4836	pDisplay->handleVRecCompletion(result, u32Function, pParam, pvContext);
4837	}
4838
4839	#endif
4840
4841
4842	#ifdef VBOX_WITH_HGSMI
4843	DECLCALLBACK(int) Display::displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, PVBVAHOSTFLAGS pHostFlags, bool fRenderThreadMode)
4844	{
4845	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
4846
4847	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4848	Display *pThis = pDrv->pDisplay;
4849
4850	if (pThis->maFramebuffers[uScreenId].fVBVAEnabled && pThis->maFramebuffers[uScreenId].fRenderThreadMode != fRenderThreadMode)
4851	{
4852	LogRel(("enabling different vbva mode"));
4853	#ifdef DEBUG_misha
4854	AssertMsgFailed(("enabling different vbva mode"));
4855	#endif
4856	return VERR_INVALID_STATE;
4857	}
4858
4859	pThis->maFramebuffers[uScreenId].fVBVAEnabled = true;
4860	pThis->maFramebuffers[uScreenId].pVBVAHostFlags = pHostFlags;
4861	pThis->maFramebuffers[uScreenId].fRenderThreadMode = fRenderThreadMode;
4862	pThis->maFramebuffers[uScreenId].fVBVAForceResize = true;
4863
4864	vbvaSetMemoryFlagsHGSMI(uScreenId, pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, &pThis->maFramebuffers[uScreenId]);
4865
4866	return VINF_SUCCESS;
4867	}
4868
4869	DECLCALLBACK(void) Display::displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
4870	{
4871	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
4872
4873	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4874	Display *pThis = pDrv->pDisplay;
4875
4876	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
4877
4878	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
4879	{
4880	/* Make sure that the primary screen is visible now.
4881	* The guest can't use VBVA anymore, so only only the VGA device output works.
4882	*/
4883	if (pFBInfo->fDisabled)
4884	{
4885	pFBInfo->fDisabled = false;
4886	fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
4887	GuestMonitorChangedEventType_Enabled,
4888	uScreenId,
4889	pFBInfo->xOrigin, pFBInfo->yOrigin,
4890	pFBInfo->w, pFBInfo->h);
4891	}
4892	}
4893
4894	pFBInfo->fVBVAEnabled = false;
4895	pFBInfo->fVBVAForceResize = false;
4896	pFBInfo->fRenderThreadMode = false;
4897
4898	vbvaSetMemoryFlagsHGSMI(uScreenId, 0, false, pFBInfo);
4899
4900	pFBInfo->pVBVAHostFlags = NULL;
4901
4902	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
4903	{
4904	/* Force full screen update, because VGA device must take control, do resize, etc. */
4905	pThis->mpDrv->pUpPort->pfnUpdateDisplayAll(pThis->mpDrv->pUpPort);
4906	}
4907	}
4908
4909	DECLCALLBACK(void) Display::displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
4910	{
4911	LogFlowFunc(("uScreenId %d\n", uScreenId));
4912
4913	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4914	Display *pThis = pDrv->pDisplay;
4915	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
4916
4917	if (ASMAtomicReadU32(&pThis->mu32UpdateVBVAFlags) > 0)
4918	{
4919	vbvaSetMemoryFlagsAllHGSMI(pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, pThis->maFramebuffers,
4920	pThis->mcMonitors);
4921	ASMAtomicDecU32(&pThis->mu32UpdateVBVAFlags);
4922	}
4923
4924	if (RT_LIKELY(pFBInfo->u32ResizeStatus == ResizeStatus_Void))
4925	{
4926	if (RT_UNLIKELY(pFBInfo->cVBVASkipUpdate != 0))
4927	{
4928	/* Some updates were skipped. Note: displayVBVAUpdate* callbacks are called
4929	* under display device lock, so thread safe.
4930	*/
4931	pFBInfo->cVBVASkipUpdate = 0;
4932	pThis->handleDisplayUpdate(uScreenId, pFBInfo->vbvaSkippedRect.xLeft - pFBInfo->xOrigin,
4933	pFBInfo->vbvaSkippedRect.yTop - pFBInfo->yOrigin,
4934	pFBInfo->vbvaSkippedRect.xRight - pFBInfo->vbvaSkippedRect.xLeft,
4935	pFBInfo->vbvaSkippedRect.yBottom - pFBInfo->vbvaSkippedRect.yTop);
4936	}
4937	}
4938	else
4939	{
4940	/* The framebuffer is being resized. */
4941	pFBInfo->cVBVASkipUpdate++;
4942	}
4943	}
4944
4945	DECLCALLBACK(void) Display::displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
4946	const PVBVACMDHDR pCmd, size_t cbCmd)
4947	{
4948	LogFlowFunc(("uScreenId %d pCmd %p cbCmd %d, @%d,%d %dx%d\n", uScreenId, pCmd, cbCmd, pCmd->x, pCmd->y, pCmd->w, pCmd->h));
4949
4950	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4951	Display *pThis = pDrv->pDisplay;
4952	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
4953
4954	if (RT_LIKELY(pFBInfo->cVBVASkipUpdate == 0))
4955	{
4956	if (pFBInfo->fDefaultFormat)
4957	{
4958	/* Make sure that framebuffer contains the same image as the guest VRAM. */
4959	if ( uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
4960	&& !pFBInfo->pFramebuffer.isNull()
4961	&& !pFBInfo->fDisabled)
4962	{
4963	pDrv->pUpPort->pfnUpdateDisplayRect (pDrv->pUpPort, pCmd->x, pCmd->y, pCmd->w, pCmd->h);
4964	}
4965	else if ( !pFBInfo->pFramebuffer.isNull()
4966	&& !pFBInfo->fDisabled)
4967	{
4968	/* Render VRAM content to the framebuffer. */
4969	BYTE *pAddress = NULL;
4970	ULONG ulWidth = 0;
4971	ULONG ulHeight = 0;
4972	ULONG ulBitsPerPixel = 0;
4973	ULONG ulBytesPerLine = 0;
4974	ULONG ulPixelFormat = 0;
4975
4976	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
4977	&ulWidth,
4978	&ulHeight,
4979	&ulBitsPerPixel,
4980	&ulBytesPerLine,
4981	&ulPixelFormat);
4982	if (SUCCEEDED(hrc))
4983	{
4984	uint32_t width = pCmd->w;
4985	uint32_t height = pCmd->h;
4986
4987	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
4988	int32_t xSrc = pCmd->x - pFBInfo->xOrigin;
4989	int32_t ySrc = pCmd->y - pFBInfo->yOrigin;
4990	uint32_t u32SrcWidth = pFBInfo->w;
4991	uint32_t u32SrcHeight = pFBInfo->h;
4992	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
4993	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
4994
4995	uint8_t *pu8Dst = pAddress;
4996	int32_t xDst = xSrc;
4997	int32_t yDst = ySrc;
4998	uint32_t u32DstWidth = u32SrcWidth;
4999	uint32_t u32DstHeight = u32SrcHeight;
5000	uint32_t u32DstLineSize = u32DstWidth * 4;
5001	uint32_t u32DstBitsPerPixel = 32;
5002
5003	pDrv->pUpPort->pfnCopyRect(pDrv->pUpPort,
5004	width, height,
5005	pu8Src,
5006	xSrc, ySrc,
5007	u32SrcWidth, u32SrcHeight,
5008	u32SrcLineSize, u32SrcBitsPerPixel,
5009	pu8Dst,
5010	xDst, yDst,
5011	u32DstWidth, u32DstHeight,
5012	u32DstLineSize, u32DstBitsPerPixel);
5013	}
5014	}
5015	}
5016
5017	VBVACMDHDR hdrSaved = *pCmd;
5018
5019	VBVACMDHDR pHdrUnconst = (VBVACMDHDR )pCmd;
5020
5021	pHdrUnconst->x -= (int16_t)pFBInfo->xOrigin;
5022	pHdrUnconst->y -= (int16_t)pFBInfo->yOrigin;
5023
5024	/* @todo new SendUpdate entry which can get a separate cmd header or coords. */
5025	pThis->mParent->consoleVRDPServer()->SendUpdate (uScreenId, pCmd, (uint32_t)cbCmd);
5026
5027	*pHdrUnconst = hdrSaved;
5028	}
5029	}
5030
5031	DECLCALLBACK(void) Display::displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y,
5032	uint32_t cx, uint32_t cy)
5033	{
5034	LogFlowFunc(("uScreenId %d %d,%d %dx%d\n", uScreenId, x, y, cx, cy));
5035
5036	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
5037	Display *pThis = pDrv->pDisplay;
5038	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
5039
5040	/* @todo handleFramebufferUpdate (uScreenId,
5041	* x - pThis->maFramebuffers[uScreenId].xOrigin,
5042	* y - pThis->maFramebuffers[uScreenId].yOrigin,
5043	* cx, cy);
5044	*/
5045	if (RT_LIKELY(pFBInfo->cVBVASkipUpdate == 0))
5046	{
5047	pThis->handleDisplayUpdate(uScreenId, x - pFBInfo->xOrigin, y - pFBInfo->yOrigin, cx, cy);
5048	}
5049	else
5050	{
5051	/* Save the updated rectangle. */
5052	int32_t xRight = x + cx;
5053	int32_t yBottom = y + cy;
5054
5055	if (pFBInfo->cVBVASkipUpdate == 1)
5056	{
5057	pFBInfo->vbvaSkippedRect.xLeft = x;
5058	pFBInfo->vbvaSkippedRect.yTop = y;
5059	pFBInfo->vbvaSkippedRect.xRight = xRight;
5060	pFBInfo->vbvaSkippedRect.yBottom = yBottom;
5061	}
5062	else
5063	{
5064	if (pFBInfo->vbvaSkippedRect.xLeft > x)
5065	{
5066	pFBInfo->vbvaSkippedRect.xLeft = x;
5067	}
5068	if (pFBInfo->vbvaSkippedRect.yTop > y)
5069	{
5070	pFBInfo->vbvaSkippedRect.yTop = y;
5071	}
5072	if (pFBInfo->vbvaSkippedRect.xRight < xRight)
5073	{
5074	pFBInfo->vbvaSkippedRect.xRight = xRight;
5075	}
5076	if (pFBInfo->vbvaSkippedRect.yBottom < yBottom)
5077	{
5078	pFBInfo->vbvaSkippedRect.yBottom = yBottom;
5079	}
5080	}
5081	}
5082	}
5083
5084	#ifdef DEBUG_sunlover
5085	static void logVBVAResize(const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, const DISPLAYFBINFO *pFBInfo)
5086	{
5087	LogRel(("displayVBVAResize: [%d] %s\n"
5088	" pView->u32ViewIndex %d\n"
5089	" pView->u32ViewOffset 0x%08X\n"
5090	" pView->u32ViewSize 0x%08X\n"
5091	" pView->u32MaxScreenSize 0x%08X\n"
5092	" pScreen->i32OriginX %d\n"
5093	" pScreen->i32OriginY %d\n"
5094	" pScreen->u32StartOffset 0x%08X\n"
5095	" pScreen->u32LineSize 0x%08X\n"
5096	" pScreen->u32Width %d\n"
5097	" pScreen->u32Height %d\n"
5098	" pScreen->u16BitsPerPixel %d\n"
5099	" pScreen->u16Flags 0x%04X\n"
5100	" pFBInfo->u32Offset 0x%08X\n"
5101	" pFBInfo->u32MaxFramebufferSize 0x%08X\n"
5102	" pFBInfo->u32InformationSize 0x%08X\n"
5103	" pFBInfo->fDisabled %d\n"
5104	" xOrigin, yOrigin, w, h: %d,%d %dx%d\n"
5105	" pFBInfo->u16BitsPerPixel %d\n"
5106	" pFBInfo->pu8FramebufferVRAM %p\n"
5107	" pFBInfo->u32LineSize 0x%08X\n"
5108	" pFBInfo->flags 0x%04X\n"
5109	" pFBInfo->pHostEvents %p\n"
5110	" pFBInfo->u32ResizeStatus %d\n"
5111	" pFBInfo->fDefaultFormat %d\n"
5112	" dirtyRect %d-%d %d-%d\n"
5113	" pFBInfo->pendingResize.fPending %d\n"
5114	" pFBInfo->pendingResize.pixelFormat %d\n"
5115	" pFBInfo->pendingResize.pvVRAM %p\n"
5116	" pFBInfo->pendingResize.bpp %d\n"
5117	" pFBInfo->pendingResize.cbLine 0x%08X\n"
5118	" pFBInfo->pendingResize.w,h %dx%d\n"
5119	" pFBInfo->pendingResize.flags 0x%04X\n"
5120	" pFBInfo->fVBVAEnabled %d\n"
5121	" pFBInfo->fVBVAForceResize %d\n"
5122	" pFBInfo->cVBVASkipUpdate %d\n"
5123	" pFBInfo->vbvaSkippedRect %d-%d %d-%d\n"
5124	" pFBInfo->pVBVAHostFlags %p\n"
5125	"",
5126	pScreen->u32ViewIndex,
5127	(pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)? "DISABLED": "ENABLED",
5128	pView->u32ViewIndex,
5129	pView->u32ViewOffset,
5130	pView->u32ViewSize,
5131	pView->u32MaxScreenSize,
5132	pScreen->i32OriginX,
5133	pScreen->i32OriginY,
5134	pScreen->u32StartOffset,
5135	pScreen->u32LineSize,
5136	pScreen->u32Width,
5137	pScreen->u32Height,
5138	pScreen->u16BitsPerPixel,
5139	pScreen->u16Flags,
5140	pFBInfo->u32Offset,
5141	pFBInfo->u32MaxFramebufferSize,
5142	pFBInfo->u32InformationSize,
5143	pFBInfo->fDisabled,
5144	pFBInfo->xOrigin,
5145	pFBInfo->yOrigin,
5146	pFBInfo->w,
5147	pFBInfo->h,
5148	pFBInfo->u16BitsPerPixel,
5149	pFBInfo->pu8FramebufferVRAM,
5150	pFBInfo->u32LineSize,
5151	pFBInfo->flags,
5152	pFBInfo->pHostEvents,
5153	pFBInfo->u32ResizeStatus,
5154	pFBInfo->fDefaultFormat,
5155	pFBInfo->dirtyRect.xLeft,
5156	pFBInfo->dirtyRect.xRight,
5157	pFBInfo->dirtyRect.yTop,
5158	pFBInfo->dirtyRect.yBottom,
5159	pFBInfo->pendingResize.fPending,
5160	pFBInfo->pendingResize.pixelFormat,
5161	pFBInfo->pendingResize.pvVRAM,
5162	pFBInfo->pendingResize.bpp,
5163	pFBInfo->pendingResize.cbLine,
5164	pFBInfo->pendingResize.w,
5165	pFBInfo->pendingResize.h,
5166	pFBInfo->pendingResize.flags,
5167	pFBInfo->fVBVAEnabled,
5168	pFBInfo->fVBVAForceResize,
5169	pFBInfo->cVBVASkipUpdate,
5170	pFBInfo->vbvaSkippedRect.xLeft,
5171	pFBInfo->vbvaSkippedRect.yTop,
5172	pFBInfo->vbvaSkippedRect.xRight,
5173	pFBInfo->vbvaSkippedRect.yBottom,
5174	pFBInfo->pVBVAHostFlags
5175	));
5176	}
5177	#endif /* DEBUG_sunlover */
5178
5179	DECLCALLBACK(int) Display::displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, const PVBVAINFOVIEW pView,
5180	const PVBVAINFOSCREEN pScreen, void *pvVRAM)
5181	{
5182	LogRelFlowFunc(("pScreen %p, pvVRAM %p\n", pScreen, pvVRAM));
5183
5184	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
5185	Display *pThis = pDrv->pDisplay;
5186
5187	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[pScreen->u32ViewIndex];
5188
5189	if (pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)
5190	{
5191	pThis->notifyCroglResize(pView, pScreen, pvVRAM);
5192
5193	pFBInfo->fDisabled = true;
5194	pFBInfo->flags = pScreen->u16Flags;
5195
5196	/* Ask the framebuffer to resize using a default format. The framebuffer will be black.
5197	* So if the frontend does not support GuestMonitorChangedEventType_Disabled event,
5198	* the VM window will be black. */
5199	uint32_t u32Width = pFBInfo->w ? pFBInfo->w : 640;
5200	uint32_t u32Height = pFBInfo->h ? pFBInfo->h : 480;
5201	pThis->handleDisplayResize(pScreen->u32ViewIndex, 0, (uint8_t *)NULL, 0,
5202	u32Width, u32Height, pScreen->u16Flags);
5203
5204	fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
5205	GuestMonitorChangedEventType_Disabled,
5206	pScreen->u32ViewIndex,
5207	0, 0, 0, 0);
5208	return VINF_SUCCESS;
5209	}
5210
5211	/* If display was disabled or there is no framebuffer, a resize will be required,
5212	* because the framebuffer was/will be changed.
5213	*/
5214	bool fResize = pFBInfo->fDisabled \|\| pFBInfo->pFramebuffer.isNull();
5215
5216	if (pFBInfo->fVBVAForceResize)
5217	{
5218	/* VBVA was just enabled. Do the resize. */
5219	fResize = true;
5220	pFBInfo->fVBVAForceResize = false;
5221	}
5222
5223	/* Check if this is a real resize or a notification about the screen origin.
5224	* The guest uses this VBVAResize call for both.
5225	*/
5226	fResize = fResize
5227	\|\| pFBInfo->u16BitsPerPixel != pScreen->u16BitsPerPixel
5228	\|\| pFBInfo->pu8FramebufferVRAM != (uint8_t *)pvVRAM + pScreen->u32StartOffset
5229	\|\| pFBInfo->u32LineSize != pScreen->u32LineSize
5230	\|\| pFBInfo->w != pScreen->u32Width
5231	\|\| pFBInfo->h != pScreen->u32Height;
5232
5233	bool fNewOrigin = pFBInfo->xOrigin != pScreen->i32OriginX
5234	\|\| pFBInfo->yOrigin != pScreen->i32OriginY;
5235
5236	if (fNewOrigin \|\| fResize)
5237	pThis->notifyCroglResize(pView, pScreen, pvVRAM);
5238
5239	if (pFBInfo->fDisabled)
5240	{
5241	pFBInfo->fDisabled = false;
5242	fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
5243	GuestMonitorChangedEventType_Enabled,
5244	pScreen->u32ViewIndex,
5245	pScreen->i32OriginX, pScreen->i32OriginY,
5246	pScreen->u32Width, pScreen->u32Height);
5247	/* Continue to update pFBInfo. */
5248	}
5249
5250	pFBInfo->u32Offset = pView->u32ViewOffset; /* Not used in HGSMI. */
5251	pFBInfo->u32MaxFramebufferSize = pView->u32MaxScreenSize; /* Not used in HGSMI. */
5252	pFBInfo->u32InformationSize = 0; /* Not used in HGSMI. */
5253
5254	pFBInfo->xOrigin = pScreen->i32OriginX;
5255	pFBInfo->yOrigin = pScreen->i32OriginY;
5256
5257	pFBInfo->w = pScreen->u32Width;
5258	pFBInfo->h = pScreen->u32Height;
5259
5260	pFBInfo->u16BitsPerPixel = pScreen->u16BitsPerPixel;
5261	pFBInfo->pu8FramebufferVRAM = (uint8_t *)pvVRAM + pScreen->u32StartOffset;
5262	pFBInfo->u32LineSize = pScreen->u32LineSize;
5263
5264	pFBInfo->flags = pScreen->u16Flags;
5265
5266	if (fNewOrigin)
5267	{
5268	fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
5269	GuestMonitorChangedEventType_NewOrigin,
5270	pScreen->u32ViewIndex,
5271	pScreen->i32OriginX, pScreen->i32OriginY,
5272	0, 0);
5273	}
5274
5275	if (!fResize)
5276	{
5277	/* No parameters of the framebuffer have actually changed. */
5278	if (fNewOrigin)
5279	{
5280	/* VRDP server still need this notification. */
5281	LogRelFlowFunc(("Calling VRDP\n"));
5282	pThis->mParent->consoleVRDPServer()->SendResize();
5283	}
5284	return VINF_SUCCESS;
5285	}
5286
5287	if (pFBInfo->pFramebuffer.isNull())
5288	{
5289	/* If no framebuffer, the resize will be done later when a new framebuffer will be set in changeFramebuffer. */
5290	return VINF_SUCCESS;
5291	}
5292
5293	/* If the framebuffer already set for the screen, do a regular resize. */
5294	return pThis->handleDisplayResize(pScreen->u32ViewIndex, pScreen->u16BitsPerPixel,
5295	(uint8_t *)pvVRAM + pScreen->u32StartOffset,
5296	pScreen->u32LineSize, pScreen->u32Width, pScreen->u32Height, pScreen->u16Flags);
5297	}
5298
5299	DECLCALLBACK(int) Display::displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
5300	uint32_t xHot, uint32_t yHot,
5301	uint32_t cx, uint32_t cy,
5302	const void *pvShape)
5303	{
5304	LogFlowFunc(("\n"));
5305
5306	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
5307	Display *pThis = pDrv->pDisplay;
5308
5309	size_t cbShapeSize = 0;
5310
5311	if (pvShape)
5312	{
5313	cbShapeSize = (cx + 7) / 8 * cy; /* size of the AND mask */
5314	cbShapeSize = ((cbShapeSize + 3) & ~3) + cx * 4 * cy; /* + gap + size of the XOR mask */
5315	}
5316	com::SafeArray<BYTE> shapeData(cbShapeSize);
5317
5318	if (pvShape)
5319	::memcpy(shapeData.raw(), pvShape, cbShapeSize);
5320
5321	/* Tell the console about it */
5322	pDrv->pDisplay->mParent->onMousePointerShapeChange(fVisible, fAlpha,
5323	xHot, yHot, cx, cy, ComSafeArrayAsInParam(shapeData));
5324
5325	return VINF_SUCCESS;
5326	}
5327	#endif /* VBOX_WITH_HGSMI */
5328
5329	/**
5330	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
5331	*/
5332	DECLCALLBACK(void ) Display::drvQueryInterface(PPDMIBASE pInterface, const char pszIID)
5333	{
5334	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
5335	PDRVMAINDISPLAY pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
5336	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
5337	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIDISPLAYCONNECTOR, &pDrv->IConnector);
5338	return NULL;
5339	}
5340
5341
5342	/**
5343	* Destruct a display driver instance.
5344	*
5345	* @returns VBox status.
5346	* @param pDrvIns The driver instance data.
5347	*/
5348	DECLCALLBACK(void) Display::drvDestruct(PPDMDRVINS pDrvIns)
5349	{
5350	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
5351	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
5352	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
5353
5354	if (pThis->pDisplay)
5355	{
5356	AutoWriteLock displayLock(pThis->pDisplay COMMA_LOCKVAL_SRC_POS);
5357	#ifdef VBOX_WITH_VPX
5358	pThis->pDisplay->VideoCaptureStop();
5359	#endif
5360	#ifdef VBOX_WITH_CRHGSMI
5361	pThis->pDisplay->destructCrHgsmiData();
5362	#endif
5363	pThis->pDisplay->mpDrv = NULL;
5364	pThis->pDisplay->mpVMMDev = NULL;
5365	pThis->pDisplay->mLastAddress = NULL;
5366	pThis->pDisplay->mLastBytesPerLine = 0;
5367	pThis->pDisplay->mLastBitsPerPixel = 0,
5368	pThis->pDisplay->mLastWidth = 0;
5369	pThis->pDisplay->mLastHeight = 0;
5370	}
5371	}
5372
5373
5374	/**
5375	* Construct a display driver instance.
5376	*
5377	* @copydoc FNPDMDRVCONSTRUCT
5378	*/
5379	DECLCALLBACK(int) Display::drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
5380	{
5381	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
5382	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
5383	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
5384
5385	/*
5386	* Validate configuration.
5387	*/
5388	if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
5389	return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
5390	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
5391	("Configuration error: Not possible to attach anything to this driver!\n"),
5392	VERR_PDM_DRVINS_NO_ATTACH);
5393
5394	/*
5395	* Init Interfaces.
5396	*/
5397	pDrvIns->IBase.pfnQueryInterface = Display::drvQueryInterface;
5398
5399	pThis->IConnector.pfnResize = Display::displayResizeCallback;
5400	pThis->IConnector.pfnUpdateRect = Display::displayUpdateCallback;
5401	pThis->IConnector.pfnRefresh = Display::displayRefreshCallback;
5402	pThis->IConnector.pfnReset = Display::displayResetCallback;
5403	pThis->IConnector.pfnLFBModeChange = Display::displayLFBModeChangeCallback;
5404	pThis->IConnector.pfnProcessAdapterData = Display::displayProcessAdapterDataCallback;
5405	pThis->IConnector.pfnProcessDisplayData = Display::displayProcessDisplayDataCallback;
5406	#ifdef VBOX_WITH_VIDEOHWACCEL
5407	pThis->IConnector.pfnVHWACommandProcess = Display::displayVHWACommandProcess;
5408	#endif
5409	#ifdef VBOX_WITH_CRHGSMI
5410	pThis->IConnector.pfnCrHgsmiCommandProcess = Display::displayCrHgsmiCommandProcess;
5411	pThis->IConnector.pfnCrHgsmiControlProcess = Display::displayCrHgsmiControlProcess;
5412	#endif
5413	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
5414	pThis->IConnector.pfnCrHgcmCtlSubmit = Display::displayCrHgcmCtlSubmit;
5415	#endif
5416	#ifdef VBOX_WITH_HGSMI
5417	pThis->IConnector.pfnVBVAEnable = Display::displayVBVAEnable;
5418	pThis->IConnector.pfnVBVADisable = Display::displayVBVADisable;
5419	pThis->IConnector.pfnVBVAUpdateBegin = Display::displayVBVAUpdateBegin;
5420	pThis->IConnector.pfnVBVAUpdateProcess = Display::displayVBVAUpdateProcess;
5421	pThis->IConnector.pfnVBVAUpdateEnd = Display::displayVBVAUpdateEnd;
5422	pThis->IConnector.pfnVBVAResize = Display::displayVBVAResize;
5423	pThis->IConnector.pfnVBVAMousePointerShape = Display::displayVBVAMousePointerShape;
5424	#endif
5425
5426	/*
5427	* Get the IDisplayPort interface of the above driver/device.
5428	*/
5429	pThis->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYPORT);
5430	if (!pThis->pUpPort)
5431	{
5432	AssertMsgFailed(("Configuration error: No display port interface above!\n"));
5433	return VERR_PDM_MISSING_INTERFACE_ABOVE;
5434	}
5435	#if defined(VBOX_WITH_VIDEOHWACCEL) \|\| defined(VBOX_WITH_CRHGSMI)
5436	pThis->pVBVACallbacks = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYVBVACALLBACKS);
5437	if (!pThis->pVBVACallbacks)
5438	{
5439	AssertMsgFailed(("Configuration error: No VBVA callback interface above!\n"));
5440	return VERR_PDM_MISSING_INTERFACE_ABOVE;
5441	}
5442	#endif
5443	/*
5444	* Get the Display object pointer and update the mpDrv member.
5445	*/
5446	void *pv;
5447	int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
5448	if (RT_FAILURE(rc))
5449	{
5450	AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
5451	return rc;
5452	}
5453	Display pDisplay = (Display )pv; /** @todo Check this cast! */
5454	pThis->pDisplay = pDisplay;
5455	pThis->pDisplay->mpDrv = pThis;
5456
5457	/* Disable VRAM to a buffer copy initially. */
5458	pThis->pUpPort->pfnSetRenderVRAM (pThis->pUpPort, false);
5459	pThis->IConnector.cBits = 32; /* DevVGA does nothing otherwise. */
5460
5461	/*
5462	* Start periodic screen refreshes
5463	*/
5464	pThis->pUpPort->pfnSetRefreshRate(pThis->pUpPort, 20);
5465
5466	#ifdef VBOX_WITH_CRHGSMI
5467	pDisplay->setupCrHgsmiData();
5468	#endif
5469
5470	#ifdef VBOX_WITH_VPX
5471	ComPtr<IMachine> pMachine = pDisplay->mParent->machine();
5472	BOOL fEnabled = false;
5473	HRESULT hrc = pMachine->COMGETTER(VideoCaptureEnabled)(&fEnabled);
5474	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
5475	if (fEnabled)
5476	{
5477	rc = pDisplay->VideoCaptureStart();
5478	fireVideoCaptureChangedEvent(pDisplay->mParent->getEventSource());
5479	}
5480	#endif
5481
5482	return rc;
5483	}
5484
5485
5486	/**
5487	* Display driver registration record.
5488	*/
5489	const PDMDRVREG Display::DrvReg =
5490	{
5491	/* u32Version */
5492	PDM_DRVREG_VERSION,
5493	/* szName */
5494	"MainDisplay",
5495	/* szRCMod */
5496	"",
5497	/* szR0Mod */
5498	"",
5499	/* pszDescription */
5500	"Main display driver (Main as in the API).",
5501	/* fFlags */
5502	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
5503	/* fClass. */
5504	PDM_DRVREG_CLASS_DISPLAY,
5505	/* cMaxInstances */
5506	~0U,
5507	/* cbInstance */
5508	sizeof(DRVMAINDISPLAY),
5509	/* pfnConstruct */
5510	Display::drvConstruct,
5511	/* pfnDestruct */
5512	Display::drvDestruct,
5513	/* pfnRelocate */
5514	NULL,
5515	/* pfnIOCtl */
5516	NULL,
5517	/* pfnPowerOn */
5518	NULL,
5519	/* pfnReset */
5520	NULL,
5521	/* pfnSuspend */
5522	NULL,
5523	/* pfnResume */
5524	NULL,
5525	/* pfnAttach */
5526	NULL,
5527	/* pfnDetach */
5528	NULL,
5529	/* pfnPowerOff */
5530	NULL,
5531	/* pfnSoftReset */
5532	NULL,
5533	/* u32EndVersion */
5534	PDM_DRVREG_VERSION
5535	};
5536	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/src-client/DisplayImpl.cpp@ 51436

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