DisplayImpl.cpp@ 51552

Last change on this file since 51552 was 51552, checked in by vboxsync, 11 years ago
Main: removed obsolete GetFramebuffer, updateDisplayData methods.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 181.6 KB

Line
1	/* $Id: DisplayImpl.cpp 51552 2014-06-05 12:33:13Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2013 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18	#include "DisplayImpl.h"
19	#include "DisplayUtils.h"
20	#include "ConsoleImpl.h"
21	#include "ConsoleVRDPServer.h"
22	#include "VMMDev.h"
23
24	#include "AutoCaller.h"
25	#include "Logging.h"
26
27	/* generated header */
28	#include "VBoxEvents.h"
29
30	#include <iprt/semaphore.h>
31	#include <iprt/thread.h>
32	#include <iprt/asm.h>
33	#include <iprt/time.h>
34	#include <iprt/cpp/utils.h>
35	#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	mfSourceBitmapEnabled = true;
601
602	ULONG ul;
603	mParent->machine()->COMGETTER(MonitorCount)(&ul);
604	mcMonitors = ul;
605
606	for (ul = 0; ul < mcMonitors; ul++)
607	{
608	maFramebuffers[ul].u32Offset = 0;
609	maFramebuffers[ul].u32MaxFramebufferSize = 0;
610	maFramebuffers[ul].u32InformationSize = 0;
611
612	maFramebuffers[ul].pFramebuffer = NULL;
613	/* All secondary monitors are disabled at startup. */
614	maFramebuffers[ul].fDisabled = ul > 0;
615
616	maFramebuffers[ul].xOrigin = 0;
617	maFramebuffers[ul].yOrigin = 0;
618
619	maFramebuffers[ul].w = 0;
620	maFramebuffers[ul].h = 0;
621
622	maFramebuffers[ul].flags = maFramebuffers[ul].fDisabled? VBVA_SCREEN_F_DISABLED: 0;
623
624	maFramebuffers[ul].u16BitsPerPixel = 0;
625	maFramebuffers[ul].pu8FramebufferVRAM = NULL;
626	maFramebuffers[ul].u32LineSize = 0;
627
628	maFramebuffers[ul].pHostEvents = NULL;
629
630	maFramebuffers[ul].u32ResizeStatus = ResizeStatus_Void;
631
632	maFramebuffers[ul].fDefaultFormat = false;
633
634	maFramebuffers[ul].mcSavedVisibleRegion = 0;
635	maFramebuffers[ul].mpSavedVisibleRegion = NULL;
636
637	RT_ZERO(maFramebuffers[ul].dirtyRect);
638	RT_ZERO(maFramebuffers[ul].pendingResize);
639	#ifdef VBOX_WITH_HGSMI
640	maFramebuffers[ul].fVBVAEnabled = false;
641	maFramebuffers[ul].fVBVAForceResize = false;
642	maFramebuffers[ul].fRenderThreadMode = false;
643	maFramebuffers[ul].cVBVASkipUpdate = 0;
644	RT_ZERO(maFramebuffers[ul].vbvaSkippedRect);
645	maFramebuffers[ul].pVBVAHostFlags = NULL;
646	#endif /* VBOX_WITH_HGSMI */
647	#ifdef VBOX_WITH_CROGL
648	RT_ZERO(maFramebuffers[ul].pendingViewportInfo);
649	#endif
650	}
651
652	{
653	// register listener for state change events
654	ComPtr<IEventSource> es;
655	mParent->COMGETTER(EventSource)(es.asOutParam());
656	com::SafeArray <VBoxEventType_T> eventTypes;
657	eventTypes.push_back(VBoxEventType_OnStateChanged);
658	es->RegisterListener(this, ComSafeArrayAsInParam(eventTypes), true);
659	}
660
661	/* Confirm a successful initialization */
662	autoInitSpan.setSucceeded();
663
664	return S_OK;
665	}
666
667	/**
668	* Uninitializes the instance and sets the ready flag to FALSE.
669	* Called either from FinalRelease() or by the parent when it gets destroyed.
670	*/
671	void Display::uninit()
672	{
673	LogRelFlowFunc(("this=%p\n", this));
674
675	/* Enclose the state transition Ready->InUninit->NotReady */
676	AutoUninitSpan autoUninitSpan(this);
677	if (autoUninitSpan.uninitDone())
678	return;
679
680	unsigned uScreenId;
681	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
682	{
683	maFramebuffers[uScreenId].pSourceBitmap.setNull();
684	maFramebuffers[uScreenId].pFramebuffer.setNull();
685	}
686
687	if (mParent)
688	{
689	ComPtr<IEventSource> es;
690	mParent->COMGETTER(EventSource)(es.asOutParam());
691	es->UnregisterListener(this);
692	}
693
694	unconst(mParent) = NULL;
695
696	if (mpDrv)
697	mpDrv->pDisplay = NULL;
698
699	mpDrv = NULL;
700	mpVMMDev = NULL;
701	mfVMMDevInited = true;
702	}
703
704	/**
705	* Register the SSM methods. Called by the power up thread to be able to
706	* pass pVM
707	*/
708	int Display::registerSSM(PUVM pUVM)
709	{
710	/* Version 2 adds width and height of the framebuffer; version 3 adds
711	* the framebuffer offset in the virtual desktop and the framebuffer flags.
712	*/
713	int rc = SSMR3RegisterExternal(pUVM, "DisplayData", 0, sSSMDisplayVer3,
714	mcMonitors * sizeof(uint32_t) * 8 + sizeof(uint32_t),
715	NULL, NULL, NULL,
716	NULL, displaySSMSave, NULL,
717	NULL, displaySSMLoad, NULL, this);
718	AssertRCReturn(rc, rc);
719
720	/*
721	* Register loaders for old saved states where iInstance was
722	* 3 * sizeof(uint32_t *) due to a code mistake.
723	*/
724	rc = SSMR3RegisterExternal(pUVM, "DisplayData", 12 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
725	NULL, NULL, NULL,
726	NULL, NULL, NULL,
727	NULL, displaySSMLoad, NULL, this);
728	AssertRCReturn(rc, rc);
729
730	rc = SSMR3RegisterExternal(pUVM, "DisplayData", 24 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
731	NULL, NULL, NULL,
732	NULL, NULL, NULL,
733	NULL, displaySSMLoad, NULL, this);
734	AssertRCReturn(rc, rc);
735
736	/* uInstance is an arbitrary value greater than 1024. Such a value will ensure a quick seek in saved state file. */
737	rc = SSMR3RegisterExternal(pUVM, "DisplayScreenshot", 1100 /uInstance/, sSSMDisplayScreenshotVer, 0 /cbGuess/,
738	NULL, NULL, NULL,
739	NULL, displaySSMSaveScreenshot, NULL,
740	NULL, displaySSMLoadScreenshot, NULL, this);
741
742	AssertRCReturn(rc, rc);
743
744	return VINF_SUCCESS;
745	}
746
747	DECLCALLBACK(void) Display::displayCrCmdFree(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd, int rc, void *pvCompletion)
748	{
749	Assert(pvCompletion);
750	RTMemFree(pvCompletion);
751	}
752
753	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
754	int Display::crOglWindowsShow(bool fShow)
755	{
756	if (!mfCrOglDataHidden == !!fShow)
757	return VINF_SUCCESS;
758
759	if (!mhCrOglSvc)
760	{
761	/* no 3D */
762	#ifdef DEBUG
763	BOOL is3denabled;
764	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
765	Assert(!is3denabled);
766	#endif
767	return VERR_INVALID_STATE;
768	}
769
770	VMMDev *pVMMDev = mParent->getVMMDev();
771	if (!pVMMDev)
772	{
773	AssertMsgFailed(("no vmmdev\n"));
774	return VERR_INVALID_STATE;
775	}
776
777	VBOXCRCMDCTL_HGCM pData = (VBOXCRCMDCTL_HGCM)RTMemAlloc(sizeof (VBOXCRCMDCTL_HGCM));
778	if (!pData)
779	{
780	AssertMsgFailed(("RTMemAlloc failed\n"));
781	return VERR_NO_MEMORY;
782	}
783
784	pData->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
785	pData->Hdr.u32Function = SHCRGL_HOST_FN_WINDOWS_SHOW;
786
787	pData->aParms[0].type = VBOX_HGCM_SVC_PARM_32BIT;
788	pData->aParms[0].u.uint32 = (uint32_t)fShow;
789
790	int rc = crCtlSubmit(&pData->Hdr, sizeof (*pData), displayCrCmdFree, pData);
791	if (RT_SUCCESS(rc))
792	mfCrOglDataHidden = !fShow;
793	else
794	{
795	AssertMsgFailed(("crCtlSubmit failed rc %d\n", rc));
796	RTMemFree(pData);
797	}
798
799	return rc;
800	}
801	#endif
802
803
804	// IEventListener method
805	STDMETHODIMP Display::HandleEvent(IEvent * aEvent)
806	{
807	VBoxEventType_T aType = VBoxEventType_Invalid;
808
809	aEvent->COMGETTER(Type)(&aType);
810	switch (aType)
811	{
812	case VBoxEventType_OnStateChanged:
813	{
814	ComPtr<IStateChangedEvent> scev = aEvent;
815	Assert(scev);
816	MachineState_T machineState;
817	scev->COMGETTER(State)(&machineState);
818	if ( machineState == MachineState_Running
819	\|\| machineState == MachineState_Teleporting
820	\|\| machineState == MachineState_LiveSnapshotting
821	)
822	{
823	LogRelFlowFunc(("Machine is running.\n"));
824
825	mfMachineRunning = true;
826
827	#ifdef VBOX_WITH_CROGL
828	crOglWindowsShow(true);
829	#endif
830	}
831	else
832	{
833	mfMachineRunning = false;
834
835	#ifdef VBOX_WITH_CROGL
836	if (machineState == MachineState_Paused)
837	crOglWindowsShow(false);
838	#endif
839	}
840	break;
841	}
842	default:
843	AssertFailed();
844	}
845
846	return S_OK;
847	}
848
849	// public methods only for internal purposes
850	/////////////////////////////////////////////////////////////////////////////
851
852	/**
853	* @thread EMT
854	*/
855	static int callFramebufferResize (IFramebuffer *pFramebuffer, unsigned uScreenId,
856	ULONG pixelFormat, void *pvVRAM,
857	uint32_t bpp, uint32_t cbLine,
858	uint32_t w, uint32_t h)
859	{
860	Assert (pFramebuffer);
861
862	NOREF(pixelFormat);
863	NOREF(pvVRAM);
864	NOREF(bpp);
865	NOREF(cbLine);
866
867	/* Call the framebuffer to try and set required pixelFormat. */
868	HRESULT hr = pFramebuffer->NotifyChange(uScreenId, 0, 0, w, h); /* @todo origin */
869
870	Log(("pFramebuffer->NotifyChange hr %08x\n", hr));
871
872	return VINF_SUCCESS;
873	}
874
875	int Display::notifyCroglResize(const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, void *pvVRAM)
876	{
877	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
878	if (maFramebuffers[pScreen->u32ViewIndex].fRenderThreadMode)
879	return VINF_SUCCESS; /* nop it */
880
881	BOOL is3denabled;
882	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
883
884	if (is3denabled)
885	{
886	int rc = VERR_INVALID_STATE;
887	if (mhCrOglSvc)
888	{
889	VMMDev *pVMMDev = mParent->getVMMDev();
890	if (pVMMDev)
891	{
892	VBOXCRCMDCTL_HGCM *pCtl =
893	(VBOXCRCMDCTL_HGCM*)RTMemAlloc(sizeof (CRVBOXHGCMDEVRESIZE) + sizeof (VBOXCRCMDCTL_HGCM));
894	if (pCtl)
895	{
896	CRVBOXHGCMDEVRESIZE pData = (CRVBOXHGCMDEVRESIZE)(pCtl+1);
897	pData->Screen = *pScreen;
898	pData->pvVRAM = pvVRAM;
899
900	pCtl->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
901	pCtl->Hdr.u32Function = SHCRGL_HOST_FN_DEV_RESIZE;
902	pCtl->aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
903	pCtl->aParms[0].u.pointer.addr = pData;
904	pCtl->aParms[0].u.pointer.size = sizeof (*pData);
905
906	rc = crCtlSubmit(&pCtl->Hdr, sizeof (*pCtl), displayCrCmdFree, pCtl);
907	if (!RT_SUCCESS(rc))
908	{
909	AssertMsgFailed(("crCtlSubmit failed rc %d\n", rc));
910	RTMemFree(pCtl);
911	}
912	}
913	else
914	rc = VERR_NO_MEMORY;
915	}
916	}
917
918	return rc;
919	}
920	#endif /* #if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL) */
921	return VINF_SUCCESS;
922	}
923
924	/**
925	* Handles display resize event.
926	*
927	* @param w New display width
928	* @param h New display height
929	*
930	* @thread EMT
931	*/
932	int Display::handleDisplayResize (unsigned uScreenId, uint32_t bpp, void *pvVRAM,
933	uint32_t cbLine, uint32_t w, uint32_t h, uint16_t flags)
934	{
935	LogRel(("Display::handleDisplayResize(): uScreenId = %d, pvVRAM=%p "
936	"w=%d h=%d bpp=%d cbLine=0x%X, flags=0x%X\n",
937	uScreenId, pvVRAM, w, h, bpp, cbLine, flags));
938
939	/* If there is no framebuffer, this call is not interesting. */
940	if (uScreenId >= mcMonitors)
941	{
942	return VINF_SUCCESS;
943	}
944
945	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
946	{
947	mLastAddress = pvVRAM;
948	mLastBytesPerLine = cbLine;
949	mLastBitsPerPixel = bpp;
950	mLastWidth = w;
951	mLastHeight = h;
952	mLastFlags = flags;
953
954	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
955	pFBInfo->w = w;
956	pFBInfo->h = h;
957
958	pFBInfo->u16BitsPerPixel = (uint16_t)bpp;
959	pFBInfo->pu8FramebufferVRAM = (uint8_t *)pvVRAM;
960	pFBInfo->u32LineSize = cbLine;
961	}
962
963	/* Guest screen image will be invalid during resize, make sure that it is not updated. */
964	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
965	{
966	mpDrv->pUpPort->pfnSetRenderVRAM(mpDrv->pUpPort, false);
967
968	mpDrv->IConnector.pu8Data = NULL;
969	mpDrv->IConnector.cbScanline = 0;
970	mpDrv->IConnector.cBits = 32; /* DevVGA does not work with cBits == 0. */
971	mpDrv->IConnector.cx = 0;
972	mpDrv->IConnector.cy = 0;
973	}
974
975	maFramebuffers[uScreenId].pSourceBitmap.setNull();
976
977	ULONG pixelFormat;
978
979	switch (bpp)
980	{
981	case 32:
982	case 24:
983	case 16:
984	pixelFormat = FramebufferPixelFormat_FOURCC_RGB;
985	break;
986	default:
987	pixelFormat = FramebufferPixelFormat_Opaque;
988	bpp = cbLine = 0;
989	break;
990	}
991
992	/* Atomically set the resize status before calling the framebuffer. The new InProgress status will
993	* disable access to the VGA device by the EMT thread.
994	*/
995	bool f = ASMAtomicCmpXchgU32 (&maFramebuffers[uScreenId].u32ResizeStatus,
996	ResizeStatus_InProgress, ResizeStatus_Void);
997	if (!f)
998	{
999	/* This could be a result of the screenshot taking call Display::TakeScreenShot:
1000	* if the framebuffer is processing the resize request and GUI calls the TakeScreenShot
1001	* and the guest has reprogrammed the virtual VGA devices again so a new resize is required.
1002	*
1003	* Save the resize information and return the pending status code.
1004	*
1005	* Note: the resize information is only accessed on EMT so no serialization is required.
1006	*/
1007	LogRel(("Display::handleDisplayResize(): Warning: resize postponed.\n"));
1008
1009	maFramebuffers[uScreenId].pendingResize.fPending = true;
1010	maFramebuffers[uScreenId].pendingResize.pixelFormat = pixelFormat;
1011	maFramebuffers[uScreenId].pendingResize.pvVRAM = pvVRAM;
1012	maFramebuffers[uScreenId].pendingResize.bpp = bpp;
1013	maFramebuffers[uScreenId].pendingResize.cbLine = cbLine;
1014	maFramebuffers[uScreenId].pendingResize.w = w;
1015	maFramebuffers[uScreenId].pendingResize.h = h;
1016	maFramebuffers[uScreenId].pendingResize.flags = flags;
1017
1018	return VINF_VGA_RESIZE_IN_PROGRESS;
1019	}
1020
1021	if (!maFramebuffers[uScreenId].pFramebuffer.isNull())
1022	{
1023	callFramebufferResize(maFramebuffers[uScreenId].pFramebuffer, uScreenId,
1024	pixelFormat, pvVRAM, bpp, cbLine, w, h);
1025	}
1026
1027	/* Set the status so the 'handleResizeCompleted' would work. */
1028	f = ASMAtomicCmpXchgU32 (&maFramebuffers[uScreenId].u32ResizeStatus,
1029	ResizeStatus_UpdateDisplayData, ResizeStatus_InProgress);
1030	AssertRelease(f);NOREF(f);
1031
1032	AssertRelease(!maFramebuffers[uScreenId].pendingResize.fPending);
1033
1034	/* The method also unlocks the framebuffer. */
1035	handleResizeCompletedEMT(uScreenId, TRUE);
1036
1037	return VINF_SUCCESS;
1038	}
1039
1040	/**
1041	* Framebuffer has been resized.
1042	* Read the new display data and unlock the framebuffer.
1043	*
1044	* @thread EMT
1045	*/
1046	void Display::handleResizeCompletedEMT(unsigned uScreenId, BOOL fResizeContext)
1047	{
1048	LogRelFlowFunc(("\n"));
1049
1050	do /* to use 'break' */
1051	{
1052	if (uScreenId >= mcMonitors)
1053	{
1054	break;
1055	}
1056
1057	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1058
1059	/* Try to into non resizing state. */
1060	bool f = ASMAtomicCmpXchgU32 (&pFBInfo->u32ResizeStatus, ResizeStatus_Void, ResizeStatus_UpdateDisplayData);
1061
1062	if (f == false)
1063	{
1064	/* This is not the display that has completed resizing. */
1065	AssertFailed();
1066	break;
1067	}
1068
1069	/* Check whether a resize is pending for this framebuffer. */
1070	if (pFBInfo->pendingResize.fPending)
1071	{
1072	/* Reset the condition, call the display resize with saved data and continue.
1073	*
1074	* Note: handleDisplayResize can call handleResizeCompletedEMT back,
1075	* but infinite recursion is not possible, because when the handleResizeCompletedEMT
1076	* is called, the pFBInfo->pendingResize.fPending is equal to false.
1077	*/
1078	pFBInfo->pendingResize.fPending = false;
1079	handleDisplayResize (uScreenId, pFBInfo->pendingResize.bpp, pFBInfo->pendingResize.pvVRAM,
1080	pFBInfo->pendingResize.cbLine, pFBInfo->pendingResize.w, pFBInfo->pendingResize.h,
1081	pFBInfo->pendingResize.flags);
1082	break;
1083	}
1084
1085	/* Inform VRDP server about the change of display parameters.
1086	* Must be done before calling NotifyUpdate below.
1087	*/
1088	LogRelFlowFunc(("Calling VRDP\n"));
1089	mParent->consoleVRDPServer()->SendResize();
1090
1091	/* @todo Merge these two 'if's within one 'if (!pFBInfo->pFramebuffer.isNull())' */
1092	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && !pFBInfo->pFramebuffer.isNull())
1093	{
1094	/* If the screen resize was because of disabling, tell framebuffer to repaint.
1095	* The framebuffer if now in default format so it will not use guest VRAM
1096	* and will show usually black image which is there after framebuffer resize.
1097	*/
1098	if (pFBInfo->fDisabled)
1099	pFBInfo->pFramebuffer->NotifyUpdate(0, 0, mpDrv->IConnector.cx, mpDrv->IConnector.cy);
1100	}
1101	else if (!pFBInfo->pFramebuffer.isNull())
1102	{
1103	/* If the screen resize was because of disabling, tell framebuffer to repaint.
1104	* The framebuffer if now in default format so it will not use guest VRAM
1105	* and will show usually black image which is there after framebuffer resize.
1106	*/
1107	if (pFBInfo->fDisabled)
1108	pFBInfo->pFramebuffer->NotifyUpdate(0, 0, pFBInfo->w, pFBInfo->h);
1109	}
1110	LogRelFlow(("[%d]: default format %d\n", uScreenId, pFBInfo->fDefaultFormat));
1111
1112	/* Handle the case if there are some saved visible region that needs to be
1113	* applied after the resize of the framebuffer is completed
1114	*/
1115	SaveSeamlessRectLock();
1116	PRTRECT pSavedVisibleRegion = pFBInfo->mpSavedVisibleRegion;
1117	uint32_t cSavedVisibleRegion = pFBInfo->mcSavedVisibleRegion;
1118	pFBInfo->mpSavedVisibleRegion = NULL;
1119	pFBInfo->mcSavedVisibleRegion = 0;
1120	SaveSeamlessRectUnLock();
1121
1122	if (pSavedVisibleRegion)
1123	{
1124	handleSetVisibleRegion(cSavedVisibleRegion, pSavedVisibleRegion);
1125	RTMemFree(pSavedVisibleRegion);
1126	}
1127
1128	#ifdef DEBUG_sunlover
1129	if (!g_stam)
1130	{
1131	Console::SafeVMPtr ptrVM(mParent);
1132	AssertComRC(ptrVM.rc());
1133	STAMR3RegisterU(ptrVM.rawUVM(), &g_StatDisplayRefresh, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS,
1134	"/PROF/Display/Refresh", STAMUNIT_TICKS_PER_CALL, "Time spent in EMT for display updates.");
1135	g_stam = 1;
1136	}
1137	#endif /* DEBUG_sunlover */
1138
1139	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
1140	{
1141	BOOL is3denabled;
1142	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
1143
1144	if (is3denabled)
1145	{
1146	VBOXCRCMDCTL_HGCM data;
1147	data.Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
1148	data.Hdr.u32Function = SHCRGL_HOST_FN_SCREEN_CHANGED;
1149
1150	data.aParms[0].type = VBOX_HGCM_SVC_PARM_32BIT;
1151	data.aParms[0].u.uint32 = uScreenId;
1152
1153	if (fResizeContext)
1154	crCtlSubmitAsyncCmdCopy(&data.Hdr, sizeof (data));
1155	else
1156	crCtlSubmitSync(&data.Hdr, sizeof (data));
1157	}
1158	}
1159	#endif /* VBOX_WITH_CROGL */
1160	} while(0);
1161	}
1162
1163	static void checkCoordBounds (int px, int py, int pw, int ph, int cx, int cy)
1164	{
1165	/* Correct negative x and y coordinates. */
1166	if (*px < 0)
1167	{
1168	px += pw; /* Compute xRight which is also the new width. */
1169
1170	pw = (px < 0)? 0: *px;
1171
1172	*px = 0;
1173	}
1174
1175	if (*py < 0)
1176	{
1177	py += ph; /* Compute xBottom, which is also the new height. */
1178
1179	ph = (py < 0)? 0: *py;
1180
1181	*py = 0;
1182	}
1183
1184	/* Also check if coords are greater than the display resolution. */
1185	if (px + pw > cx)
1186	{
1187	pw = cx > px? cx - *px: 0;
1188	}
1189
1190	if (py + ph > cy)
1191	{
1192	ph = cy > py? cy - *py: 0;
1193	}
1194	}
1195
1196	unsigned mapCoordsToScreen(DISPLAYFBINFO pInfos, unsigned cInfos, int px, int py, int pw, int *ph)
1197	{
1198	DISPLAYFBINFO *pInfo = pInfos;
1199	unsigned uScreenId;
1200	LogSunlover(("mapCoordsToScreen: %d,%d %dx%d\n", px, py, pw, ph));
1201	for (uScreenId = 0; uScreenId < cInfos; uScreenId++, pInfo++)
1202	{
1203	LogSunlover((" [%d] %d,%d %dx%d\n", uScreenId, pInfo->xOrigin, pInfo->yOrigin, pInfo->w, pInfo->h));
1204	if ( (pInfo->xOrigin <= px && px < pInfo->xOrigin + (int)pInfo->w)
1205	&& (pInfo->yOrigin <= py && py < pInfo->yOrigin + (int)pInfo->h))
1206	{
1207	/* The rectangle belongs to the screen. Correct coordinates. */
1208	*px -= pInfo->xOrigin;
1209	*py -= pInfo->yOrigin;
1210	LogSunlover((" -> %d,%d", px, py));
1211	break;
1212	}
1213	}
1214	if (uScreenId == cInfos)
1215	{
1216	/* Map to primary screen. */
1217	uScreenId = 0;
1218	}
1219	LogSunlover((" scr %d\n", uScreenId));
1220	return uScreenId;
1221	}
1222
1223
1224	/**
1225	* Handles display update event.
1226	*
1227	* @param x Update area x coordinate
1228	* @param y Update area y coordinate
1229	* @param w Update area width
1230	* @param h Update area height
1231	*
1232	* @thread EMT
1233	*/
1234	void Display::handleDisplayUpdateLegacy (int x, int y, int w, int h)
1235	{
1236	unsigned uScreenId = mapCoordsToScreen(maFramebuffers, mcMonitors, &x, &y, &w, &h);
1237
1238	#ifdef DEBUG_sunlover
1239	LogFlowFunc(("%d,%d %dx%d (checked)\n", x, y, w, h));
1240	#endif /* DEBUG_sunlover */
1241
1242	handleDisplayUpdate (uScreenId, x, y, w, h);
1243	}
1244
1245	void Display::handleDisplayUpdate (unsigned uScreenId, int x, int y, int w, int h)
1246	{
1247	/*
1248	* Always runs under either VBVA lock or, for HGSMI, DevVGA lock.
1249	* Safe to use VBVA vars and take the framebuffer lock.
1250	*/
1251
1252	#ifdef DEBUG_sunlover
1253	LogFlowFunc(("[%d] %d,%d %dx%d (%d,%d)\n",
1254	uScreenId, x, y, w, h, mpDrv->IConnector.cx, mpDrv->IConnector.cy));
1255	#endif /* DEBUG_sunlover */
1256
1257	/* No updates for a disabled guest screen. */
1258	if (maFramebuffers[uScreenId].fDisabled)
1259	return;
1260
1261	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1262	checkCoordBounds (&x, &y, &w, &h, mpDrv->IConnector.cx, mpDrv->IConnector.cy);
1263	else
1264	checkCoordBounds (&x, &y, &w, &h, maFramebuffers[uScreenId].w,
1265	maFramebuffers[uScreenId].h);
1266
1267	IFramebuffer *pFramebuffer = maFramebuffers[uScreenId].pFramebuffer;
1268	if (pFramebuffer != NULL)
1269	{
1270	pFramebuffer->Lock();
1271
1272	if (w != 0 && h != 0)
1273	pFramebuffer->NotifyUpdate(x, y, w, h);
1274
1275	pFramebuffer->Unlock();
1276	}
1277
1278	#ifndef VBOX_WITH_HGSMI
1279	if (!mfVideoAccelEnabled)
1280	{
1281	#else
1282	if (!mfVideoAccelEnabled && !maFramebuffers[uScreenId].fVBVAEnabled)
1283	{
1284	#endif /* VBOX_WITH_HGSMI */
1285	/* When VBVA is enabled, the VRDP server is informed in the VideoAccelFlush.
1286	* Inform the server here only if VBVA is disabled.
1287	*/
1288	if (maFramebuffers[uScreenId].u32ResizeStatus == ResizeStatus_Void)
1289	mParent->consoleVRDPServer()->SendUpdateBitmap(uScreenId, x, y, w, h);
1290	}
1291	}
1292
1293	/**
1294	* Returns the upper left and lower right corners of the virtual framebuffer.
1295	* The lower right is "exclusive" (i.e. first pixel beyond the framebuffer),
1296	* and the origin is (0, 0), not (1, 1) like the GUI returns.
1297	*/
1298	void Display::getFramebufferDimensions(int32_t px1, int32_t py1,
1299	int32_t px2, int32_t py2)
1300	{
1301	int32_t x1 = 0, y1 = 0, x2 = 0, y2 = 0;
1302	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1303
1304	AssertPtrReturnVoid(px1);
1305	AssertPtrReturnVoid(py1);
1306	AssertPtrReturnVoid(px2);
1307	AssertPtrReturnVoid(py2);
1308	LogRelFlowFunc(("\n"));
1309
1310	if (!mpDrv)
1311	return;
1312	/* If VBVA is not in use then this flag will not be set and this
1313	* will still work as it should. */
1314	if (!maFramebuffers[0].fDisabled)
1315	{
1316	x1 = (int32_t)maFramebuffers[0].xOrigin;
1317	y1 = (int32_t)maFramebuffers[0].yOrigin;
1318	x2 = mpDrv->IConnector.cx + (int32_t)maFramebuffers[0].xOrigin;
1319	y2 = mpDrv->IConnector.cy + (int32_t)maFramebuffers[0].yOrigin;
1320	}
1321	for (unsigned i = 1; i < mcMonitors; ++i)
1322	{
1323	if (!maFramebuffers[i].fDisabled)
1324	{
1325	x1 = RT_MIN(x1, maFramebuffers[i].xOrigin);
1326	y1 = RT_MIN(y1, maFramebuffers[i].yOrigin);
1327	x2 = RT_MAX(x2, maFramebuffers[i].xOrigin
1328	+ (int32_t)maFramebuffers[i].w);
1329	y2 = RT_MAX(y2, maFramebuffers[i].yOrigin
1330	+ (int32_t)maFramebuffers[i].h);
1331	}
1332	}
1333	*px1 = x1;
1334	*py1 = y1;
1335	*px2 = x2;
1336	*py2 = y2;
1337	}
1338
1339	static bool displayIntersectRect(RTRECT *prectResult,
1340	const RTRECT *prect1,
1341	const RTRECT *prect2)
1342	{
1343	/* Initialize result to an empty record. */
1344	memset (prectResult, 0, sizeof (RTRECT));
1345
1346	int xLeftResult = RT_MAX(prect1->xLeft, prect2->xLeft);
1347	int xRightResult = RT_MIN(prect1->xRight, prect2->xRight);
1348
1349	if (xLeftResult < xRightResult)
1350	{
1351	/* There is intersection by X. */
1352
1353	int yTopResult = RT_MAX(prect1->yTop, prect2->yTop);
1354	int yBottomResult = RT_MIN(prect1->yBottom, prect2->yBottom);
1355
1356	if (yTopResult < yBottomResult)
1357	{
1358	/* There is intersection by Y. */
1359
1360	prectResult->xLeft = xLeftResult;
1361	prectResult->yTop = yTopResult;
1362	prectResult->xRight = xRightResult;
1363	prectResult->yBottom = yBottomResult;
1364
1365	return true;
1366	}
1367	}
1368
1369	return false;
1370	}
1371
1372	int Display::handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect)
1373	{
1374	RTRECT pVisibleRegion = (RTRECT )RTMemTmpAlloc( RT_MAX(cRect, 1)
1375	* sizeof (RTRECT));
1376	if (!pVisibleRegion)
1377	{
1378	return VERR_NO_TMP_MEMORY;
1379	}
1380
1381	unsigned uScreenId;
1382	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1383	{
1384	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1385
1386	if (!pFBInfo->pFramebuffer.isNull())
1387	{
1388	if (pFBInfo->u32ResizeStatus != ResizeStatus_Void)
1389	{
1390	/* handle the case where new rectangles are received from the GA
1391	* when framebuffer resizing is in progress.
1392	* Just save the rectangles to be applied for later time when FB resizing is complete
1393	* (from handleResizeCompletedEMT).
1394	* This is done to prevent a race condition where a new rectangles are received
1395	* from the GA after a resize event and framebuffer resizing is still in progress
1396	* As a result the coordinates of the framebuffer are still
1397	* not updated and hence there is no intersection with the new rectangles passed
1398	* for the new region (THis is checked in the above if condition ). With 0 intersection,
1399	* cRectVisibleRegions = 0 is returned to the GUI and if GUI has invalidated its
1400	* earlier region then it draws nothihing and seamless mode doesn't display the
1401	* guest desktop.
1402	*/
1403	SaveSeamlessRectLock();
1404	RTMemFree(pFBInfo->mpSavedVisibleRegion);
1405
1406	pFBInfo->mpSavedVisibleRegion = (RTRECT *)RTMemAlloc( RT_MAX(cRect, 1)
1407	* sizeof (RTRECT));
1408	if (pFBInfo->mpSavedVisibleRegion)
1409	{
1410	memcpy(pFBInfo->mpSavedVisibleRegion, pRect, cRect * sizeof(RTRECT));
1411	pFBInfo->mcSavedVisibleRegion = cRect;
1412	}
1413	else
1414	{
1415	pFBInfo->mcSavedVisibleRegion = 0;
1416	}
1417	SaveSeamlessRectUnLock();
1418	continue;
1419	}
1420	/* Prepare a new array of rectangles which intersect with the framebuffer.
1421	*/
1422	RTRECT rectFramebuffer;
1423	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1424	{
1425	rectFramebuffer.xLeft = 0;
1426	rectFramebuffer.yTop = 0;
1427	if (mpDrv)
1428	{
1429	rectFramebuffer.xRight = mpDrv->IConnector.cx;
1430	rectFramebuffer.yBottom = mpDrv->IConnector.cy;
1431	}
1432	else
1433	{
1434	rectFramebuffer.xRight = 0;
1435	rectFramebuffer.yBottom = 0;
1436	}
1437	}
1438	else
1439	{
1440	rectFramebuffer.xLeft = pFBInfo->xOrigin;
1441	rectFramebuffer.yTop = pFBInfo->yOrigin;
1442	rectFramebuffer.xRight = pFBInfo->xOrigin + pFBInfo->w;
1443	rectFramebuffer.yBottom = pFBInfo->yOrigin + pFBInfo->h;
1444	}
1445
1446	uint32_t cRectVisibleRegion = 0;
1447
1448	uint32_t i;
1449	for (i = 0; i < cRect; i++)
1450	{
1451	if (displayIntersectRect(&pVisibleRegion[cRectVisibleRegion], &pRect[i], &rectFramebuffer))
1452	{
1453	pVisibleRegion[cRectVisibleRegion].xLeft -= pFBInfo->xOrigin;
1454	pVisibleRegion[cRectVisibleRegion].yTop -= pFBInfo->yOrigin;
1455	pVisibleRegion[cRectVisibleRegion].xRight -= pFBInfo->xOrigin;
1456	pVisibleRegion[cRectVisibleRegion].yBottom -= pFBInfo->yOrigin;
1457
1458	cRectVisibleRegion++;
1459	}
1460	}
1461	pFBInfo->pFramebuffer->SetVisibleRegion((BYTE *)pVisibleRegion, cRectVisibleRegion);
1462	}
1463	}
1464
1465	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
1466	BOOL is3denabled = FALSE;
1467
1468	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
1469
1470	VMMDev *vmmDev = mParent->getVMMDev();
1471	if (is3denabled && vmmDev)
1472	{
1473	if (mhCrOglSvc)
1474	{
1475	VBOXCRCMDCTL_HGCM pCtl = (VBOXCRCMDCTL_HGCM)RTMemAlloc(RT_MAX(cRect, 1) * sizeof (RTRECT)
1476	+ sizeof (VBOXCRCMDCTL_HGCM));
1477	if (pCtl)
1478	{
1479	RTRECT pRectsCopy = (RTRECT)(pCtl+1);
1480	memcpy(pRectsCopy, pRect, cRect * sizeof (RTRECT));
1481
1482	pCtl->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
1483	pCtl->Hdr.u32Function = SHCRGL_HOST_FN_SET_VISIBLE_REGION;
1484
1485	pCtl->aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
1486	pCtl->aParms[0].u.pointer.addr = pRectsCopy;
1487	pCtl->aParms[0].u.pointer.size = cRect * sizeof (RTRECT);
1488
1489	int rc = crCtlSubmit(&pCtl->Hdr, sizeof (*pCtl), displayCrCmdFree, pCtl);
1490	if (!RT_SUCCESS(rc))
1491	{
1492	AssertMsgFailed(("crCtlSubmit failed rc %d\n", rc));
1493	RTMemFree(pCtl);
1494	}
1495	}
1496	else
1497	AssertMsgFailed(("failed to allocate rects memory\n"));
1498	}
1499	else
1500	AssertMsgFailed(("mhCrOglSvc is NULL\n"));
1501	}
1502	#endif
1503
1504	RTMemTmpFree(pVisibleRegion);
1505
1506	return VINF_SUCCESS;
1507	}
1508
1509	int Display::handleQueryVisibleRegion(uint32_t *pcRect, PRTRECT pRect)
1510	{
1511	// @todo Currently not used by the guest and is not implemented in framebuffers. Remove?
1512	return VERR_NOT_SUPPORTED;
1513	}
1514
1515	typedef struct _VBVADIRTYREGION
1516	{
1517	/* Copies of object's pointers used by vbvaRgn functions. */
1518	DISPLAYFBINFO *paFramebuffers;
1519	unsigned cMonitors;
1520	Display *pDisplay;
1521	PPDMIDISPLAYPORT pPort;
1522
1523	} VBVADIRTYREGION;
1524
1525	static void vbvaRgnInit (VBVADIRTYREGION prgn, DISPLAYFBINFO paFramebuffers, unsigned cMonitors,
1526	Display *pd, PPDMIDISPLAYPORT pp)
1527	{
1528	prgn->paFramebuffers = paFramebuffers;
1529	prgn->cMonitors = cMonitors;
1530	prgn->pDisplay = pd;
1531	prgn->pPort = pp;
1532
1533	unsigned uScreenId;
1534	for (uScreenId = 0; uScreenId < cMonitors; uScreenId++)
1535	{
1536	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1537
1538	RT_ZERO(pFBInfo->dirtyRect);
1539	}
1540	}
1541
1542	static void vbvaRgnDirtyRect (VBVADIRTYREGION prgn, unsigned uScreenId, VBVACMDHDR phdr)
1543	{
1544	LogSunlover(("x = %d, y = %d, w = %d, h = %d\n",
1545	phdr->x, phdr->y, phdr->w, phdr->h));
1546
1547	/*
1548	* Here update rectangles are accumulated to form an update area.
1549	* @todo
1550	* Now the simplest method is used which builds one rectangle that
1551	* includes all update areas. A bit more advanced method can be
1552	* employed here. The method should be fast however.
1553	*/
1554	if (phdr->w == 0 \|\| phdr->h == 0)
1555	{
1556	/* Empty rectangle. */
1557	return;
1558	}
1559
1560	int32_t xRight = phdr->x + phdr->w;
1561	int32_t yBottom = phdr->y + phdr->h;
1562
1563	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1564
1565	if (pFBInfo->dirtyRect.xRight == 0)
1566	{
1567	/* This is the first rectangle to be added. */
1568	pFBInfo->dirtyRect.xLeft = phdr->x;
1569	pFBInfo->dirtyRect.yTop = phdr->y;
1570	pFBInfo->dirtyRect.xRight = xRight;
1571	pFBInfo->dirtyRect.yBottom = yBottom;
1572	}
1573	else
1574	{
1575	/* Adjust region coordinates. */
1576	if (pFBInfo->dirtyRect.xLeft > phdr->x)
1577	{
1578	pFBInfo->dirtyRect.xLeft = phdr->x;
1579	}
1580
1581	if (pFBInfo->dirtyRect.yTop > phdr->y)
1582	{
1583	pFBInfo->dirtyRect.yTop = phdr->y;
1584	}
1585
1586	if (pFBInfo->dirtyRect.xRight < xRight)
1587	{
1588	pFBInfo->dirtyRect.xRight = xRight;
1589	}
1590
1591	if (pFBInfo->dirtyRect.yBottom < yBottom)
1592	{
1593	pFBInfo->dirtyRect.yBottom = yBottom;
1594	}
1595	}
1596
1597	if (pFBInfo->fDefaultFormat)
1598	{
1599	//@todo pfnUpdateDisplayRect must take the vram offset parameter for the framebuffer
1600	prgn->pPort->pfnUpdateDisplayRect (prgn->pPort, phdr->x, phdr->y, phdr->w, phdr->h);
1601	prgn->pDisplay->handleDisplayUpdateLegacy (phdr->x + pFBInfo->xOrigin,
1602	phdr->y + pFBInfo->yOrigin, phdr->w, phdr->h);
1603	}
1604
1605	return;
1606	}
1607
1608	static void vbvaRgnUpdateFramebuffer (VBVADIRTYREGION *prgn, unsigned uScreenId)
1609	{
1610	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1611
1612	uint32_t w = pFBInfo->dirtyRect.xRight - pFBInfo->dirtyRect.xLeft;
1613	uint32_t h = pFBInfo->dirtyRect.yBottom - pFBInfo->dirtyRect.yTop;
1614
1615	if (!pFBInfo->fDefaultFormat && w != 0 && h != 0)
1616	{
1617	//@todo pfnUpdateDisplayRect must take the vram offset parameter for the framebuffer
1618	prgn->pPort->pfnUpdateDisplayRect (prgn->pPort, pFBInfo->dirtyRect.xLeft, pFBInfo->dirtyRect.yTop, w, h);
1619	prgn->pDisplay->handleDisplayUpdateLegacy (pFBInfo->dirtyRect.xLeft + pFBInfo->xOrigin,
1620	pFBInfo->dirtyRect.yTop + pFBInfo->yOrigin, w, h);
1621	}
1622	}
1623
1624	static void vbvaSetMemoryFlags (VBVAMEMORY *pVbvaMemory,
1625	bool fVideoAccelEnabled,
1626	bool fVideoAccelVRDP,
1627	uint32_t fu32SupportedOrders,
1628	DISPLAYFBINFO *paFBInfos,
1629	unsigned cFBInfos)
1630	{
1631	if (pVbvaMemory)
1632	{
1633	/* This called only on changes in mode. So reset VRDP always. */
1634	uint32_t fu32Flags = VBVA_F_MODE_VRDP_RESET;
1635
1636	if (fVideoAccelEnabled)
1637	{
1638	fu32Flags \|= VBVA_F_MODE_ENABLED;
1639
1640	if (fVideoAccelVRDP)
1641	{
1642	fu32Flags \|= VBVA_F_MODE_VRDP \| VBVA_F_MODE_VRDP_ORDER_MASK;
1643
1644	pVbvaMemory->fu32SupportedOrders = fu32SupportedOrders;
1645	}
1646	}
1647
1648	pVbvaMemory->fu32ModeFlags = fu32Flags;
1649	}
1650
1651	unsigned uScreenId;
1652	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1653	{
1654	if (paFBInfos[uScreenId].pHostEvents)
1655	{
1656	paFBInfos[uScreenId].pHostEvents->fu32Events \|= VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1657	}
1658	}
1659	}
1660
1661	#ifdef VBOX_WITH_HGSMI
1662	static void vbvaSetMemoryFlagsHGSMI (unsigned uScreenId,
1663	uint32_t fu32SupportedOrders,
1664	bool fVideoAccelVRDP,
1665	DISPLAYFBINFO *pFBInfo)
1666	{
1667	LogRelFlowFunc(("HGSMI[%d]: %p\n", uScreenId, pFBInfo->pVBVAHostFlags));
1668
1669	if (pFBInfo->pVBVAHostFlags)
1670	{
1671	uint32_t fu32HostEvents = VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1672
1673	if (pFBInfo->fVBVAEnabled)
1674	{
1675	fu32HostEvents \|= VBVA_F_MODE_ENABLED;
1676
1677	if (fVideoAccelVRDP)
1678	{
1679	fu32HostEvents \|= VBVA_F_MODE_VRDP;
1680	}
1681	}
1682
1683	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32HostEvents, fu32HostEvents);
1684	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32SupportedOrders, fu32SupportedOrders);
1685
1686	LogRelFlowFunc((" fu32HostEvents = 0x%08X, fu32SupportedOrders = 0x%08X\n", fu32HostEvents, fu32SupportedOrders));
1687	}
1688	}
1689
1690	static void vbvaSetMemoryFlagsAllHGSMI (uint32_t fu32SupportedOrders,
1691	bool fVideoAccelVRDP,
1692	DISPLAYFBINFO *paFBInfos,
1693	unsigned cFBInfos)
1694	{
1695	unsigned uScreenId;
1696
1697	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1698	{
1699	vbvaSetMemoryFlagsHGSMI(uScreenId, fu32SupportedOrders, fVideoAccelVRDP, &paFBInfos[uScreenId]);
1700	}
1701	}
1702	#endif /* VBOX_WITH_HGSMI */
1703
1704	bool Display::VideoAccelAllowed (void)
1705	{
1706	return true;
1707	}
1708
1709	int Display::vbvaLock(void)
1710	{
1711	return RTCritSectEnter(&mVBVALock);
1712	}
1713
1714	void Display::vbvaUnlock(void)
1715	{
1716	RTCritSectLeave(&mVBVALock);
1717	}
1718
1719	int Display::SaveSeamlessRectLock(void)
1720	{
1721	return RTCritSectEnter(&mSaveSeamlessRectLock);
1722	}
1723
1724	void Display::SaveSeamlessRectUnLock(void)
1725	{
1726	RTCritSectLeave(&mSaveSeamlessRectLock);
1727	}
1728
1729
1730	/**
1731	* @thread EMT
1732	*/
1733	int Display::VideoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
1734	{
1735	int rc;
1736	vbvaLock();
1737	rc = videoAccelEnable (fEnable, pVbvaMemory);
1738	vbvaUnlock();
1739	return rc;
1740	}
1741
1742	int Display::videoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
1743	{
1744	int rc = VINF_SUCCESS;
1745
1746	/* Called each time the guest wants to use acceleration,
1747	* or when the VGA device disables acceleration,
1748	* or when restoring the saved state with accel enabled.
1749	*
1750	* VGA device disables acceleration on each video mode change
1751	* and on reset.
1752	*
1753	* Guest enabled acceleration at will. And it has to enable
1754	* acceleration after a mode change.
1755	*/
1756	LogRelFlowFunc(("mfVideoAccelEnabled = %d, fEnable = %d, pVbvaMemory = %p\n",
1757	mfVideoAccelEnabled, fEnable, pVbvaMemory));
1758
1759	/* Strictly check parameters. Callers must not pass anything in the case. */
1760	Assert((fEnable && pVbvaMemory) \|\| (!fEnable && pVbvaMemory == NULL));
1761
1762	if (!VideoAccelAllowed ())
1763	return VERR_NOT_SUPPORTED;
1764
1765	/*
1766	* Verify that the VM is in running state. If it is not,
1767	* then this must be postponed until it goes to running.
1768	*/
1769	if (!mfMachineRunning)
1770	{
1771	Assert (!mfVideoAccelEnabled);
1772
1773	LogRelFlowFunc(("Machine is not yet running.\n"));
1774
1775	if (fEnable)
1776	{
1777	mfPendingVideoAccelEnable = fEnable;
1778	mpPendingVbvaMemory = pVbvaMemory;
1779	}
1780
1781	return rc;
1782	}
1783
1784	/* Check that current status is not being changed */
1785	if (mfVideoAccelEnabled == fEnable)
1786	return rc;
1787
1788	if (mfVideoAccelEnabled)
1789	{
1790	/* Process any pending orders and empty the VBVA ring buffer. */
1791	videoAccelFlush ();
1792	}
1793
1794	if (!fEnable && mpVbvaMemory)
1795	mpVbvaMemory->fu32ModeFlags &= ~VBVA_F_MODE_ENABLED;
1796
1797	/* Safety precaution. There is no more VBVA until everything is setup! */
1798	mpVbvaMemory = NULL;
1799	mfVideoAccelEnabled = false;
1800
1801	/* Update entire display. */
1802	if (maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].u32ResizeStatus == ResizeStatus_Void)
1803	mpDrv->pUpPort->pfnUpdateDisplayAll(mpDrv->pUpPort);
1804
1805	/* Everything OK. VBVA status can be changed. */
1806
1807	/* Notify the VMMDev, which saves VBVA status in the saved state,
1808	* and needs to know current status.
1809	*/
1810	VMMDev *pVMMDev = mParent->getVMMDev();
1811	if (pVMMDev)
1812	{
1813	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1814	if (pVMMDevPort)
1815	pVMMDevPort->pfnVBVAChange(pVMMDevPort, fEnable);
1816	}
1817
1818	if (fEnable)
1819	{
1820	mpVbvaMemory = pVbvaMemory;
1821	mfVideoAccelEnabled = true;
1822
1823	/* Initialize the hardware memory. */
1824	vbvaSetMemoryFlags(mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
1825	mpVbvaMemory->off32Data = 0;
1826	mpVbvaMemory->off32Free = 0;
1827
1828	memset(mpVbvaMemory->aRecords, 0, sizeof (mpVbvaMemory->aRecords));
1829	mpVbvaMemory->indexRecordFirst = 0;
1830	mpVbvaMemory->indexRecordFree = 0;
1831
1832	mfu32PendingVideoAccelDisable = false;
1833
1834	LogRel(("VBVA: Enabled.\n"));
1835	}
1836	else
1837	{
1838	LogRel(("VBVA: Disabled.\n"));
1839	}
1840
1841	LogRelFlowFunc(("VideoAccelEnable: rc = %Rrc.\n", rc));
1842
1843	return rc;
1844	}
1845
1846	/* Called always by one VRDP server thread. Can be thread-unsafe.
1847	*/
1848	void Display::VideoAccelVRDP (bool fEnable)
1849	{
1850	LogRelFlowFunc(("fEnable = %d\n", fEnable));
1851
1852	vbvaLock();
1853
1854	int c = fEnable?
1855	ASMAtomicIncS32 (&mcVideoAccelVRDPRefs):
1856	ASMAtomicDecS32 (&mcVideoAccelVRDPRefs);
1857
1858	Assert (c >= 0);
1859
1860	if (c == 0)
1861	{
1862	/* The last client has disconnected, and the accel can be
1863	* disabled.
1864	*/
1865	Assert (fEnable == false);
1866
1867	mfVideoAccelVRDP = false;
1868	mfu32SupportedOrders = 0;
1869
1870	vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders,
1871	maFramebuffers, mcMonitors);
1872	#ifdef VBOX_WITH_HGSMI
1873	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1874	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1875	#endif /* VBOX_WITH_HGSMI */
1876
1877	LogRel(("VBVA: VRDP acceleration has been disabled.\n"));
1878	}
1879	else if ( c == 1
1880	&& !mfVideoAccelVRDP)
1881	{
1882	/* The first client has connected. Enable the accel.
1883	*/
1884	Assert (fEnable == true);
1885
1886	mfVideoAccelVRDP = true;
1887	/* Supporting all orders. */
1888	mfu32SupportedOrders = ~0;
1889
1890	vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders,
1891	maFramebuffers, mcMonitors);
1892	#ifdef VBOX_WITH_HGSMI
1893	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1894	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1895	#endif /* VBOX_WITH_HGSMI */
1896
1897	LogRel(("VBVA: VRDP acceleration has been requested.\n"));
1898	}
1899	else
1900	{
1901	/* A client is connected or disconnected but there is no change in the
1902	* accel state. It remains enabled.
1903	*/
1904	Assert (mfVideoAccelVRDP == true);
1905	}
1906	vbvaUnlock();
1907	}
1908
1909	static bool vbvaVerifyRingBuffer (VBVAMEMORY *pVbvaMemory)
1910	{
1911	return true;
1912	}
1913
1914	static void vbvaFetchBytes (VBVAMEMORY pVbvaMemory, uint8_t pu8Dst, uint32_t cbDst)
1915	{
1916	if (cbDst >= VBVA_RING_BUFFER_SIZE)
1917	{
1918	AssertMsgFailed (("cbDst = 0x%08X, ring buffer size 0x%08X\n", cbDst, VBVA_RING_BUFFER_SIZE));
1919	return;
1920	}
1921
1922	uint32_t u32BytesTillBoundary = VBVA_RING_BUFFER_SIZE - pVbvaMemory->off32Data;
1923	uint8_t *src = &pVbvaMemory->au8RingBuffer[pVbvaMemory->off32Data];
1924	int32_t i32Diff = cbDst - u32BytesTillBoundary;
1925
1926	if (i32Diff <= 0)
1927	{
1928	/* Chunk will not cross buffer boundary. */
1929	memcpy (pu8Dst, src, cbDst);
1930	}
1931	else
1932	{
1933	/* Chunk crosses buffer boundary. */
1934	memcpy (pu8Dst, src, u32BytesTillBoundary);
1935	memcpy (pu8Dst + u32BytesTillBoundary, &pVbvaMemory->au8RingBuffer[0], i32Diff);
1936	}
1937
1938	/* Advance data offset. */
1939	pVbvaMemory->off32Data = (pVbvaMemory->off32Data + cbDst) % VBVA_RING_BUFFER_SIZE;
1940
1941	return;
1942	}
1943
1944
1945	static bool vbvaPartialRead (uint8_t *ppu8, uint32_t pcb, uint32_t cbRecord, VBVAMEMORY *pVbvaMemory)
1946	{
1947	uint8_t *pu8New;
1948
1949	LogFlow(("MAIN::DisplayImpl::vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n",
1950	ppu8, pcb, cbRecord));
1951
1952	if (*ppu8)
1953	{
1954	Assert (*pcb);
1955	pu8New = (uint8_t )RTMemRealloc (ppu8, cbRecord);
1956	}
1957	else
1958	{
1959	Assert (!*pcb);
1960	pu8New = (uint8_t *)RTMemAlloc (cbRecord);
1961	}
1962
1963	if (!pu8New)
1964	{
1965	/* Memory allocation failed, fail the function. */
1966	Log(("MAIN::vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n",
1967	cbRecord));
1968
1969	if (*ppu8)
1970	{
1971	RTMemFree (*ppu8);
1972	}
1973
1974	*ppu8 = NULL;
1975	*pcb = 0;
1976
1977	return false;
1978	}
1979
1980	/* Fetch data from the ring buffer. */
1981	vbvaFetchBytes (pVbvaMemory, pu8New + pcb, cbRecord - pcb);
1982
1983	*ppu8 = pu8New;
1984	*pcb = cbRecord;
1985
1986	return true;
1987	}
1988
1989	/* For contiguous chunks just return the address in the buffer.
1990	* For crossing boundary - allocate a buffer from heap.
1991	*/
1992	bool Display::vbvaFetchCmd (VBVACMDHDR *ppHdr, uint32_t pcbCmd)
1993	{
1994	uint32_t indexRecordFirst = mpVbvaMemory->indexRecordFirst;
1995	uint32_t indexRecordFree = mpVbvaMemory->indexRecordFree;
1996
1997	#ifdef DEBUG_sunlover
1998	LogFlowFunc(("first = %d, free = %d\n",
1999	indexRecordFirst, indexRecordFree));
2000	#endif /* DEBUG_sunlover */
2001
2002	if (!vbvaVerifyRingBuffer (mpVbvaMemory))
2003	{
2004	return false;
2005	}
2006
2007	if (indexRecordFirst == indexRecordFree)
2008	{
2009	/* No records to process. Return without assigning output variables. */
2010	return true;
2011	}
2012
2013	VBVARECORD *pRecord = &mpVbvaMemory->aRecords[indexRecordFirst];
2014
2015	#ifdef DEBUG_sunlover
2016	LogFlowFunc(("cbRecord = 0x%08X\n", pRecord->cbRecord));
2017	#endif /* DEBUG_sunlover */
2018
2019	uint32_t cbRecord = pRecord->cbRecord & ~VBVA_F_RECORD_PARTIAL;
2020
2021	if (mcbVbvaPartial)
2022	{
2023	/* There is a partial read in process. Continue with it. */
2024
2025	Assert (mpu8VbvaPartial);
2026
2027	LogFlowFunc(("continue partial record mcbVbvaPartial = %d cbRecord 0x%08X, first = %d, free = %d\n",
2028	mcbVbvaPartial, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
2029
2030	if (cbRecord > mcbVbvaPartial)
2031	{
2032	/* New data has been added to the record. */
2033	if (!vbvaPartialRead (&mpu8VbvaPartial, &mcbVbvaPartial, cbRecord, mpVbvaMemory))
2034	{
2035	return false;
2036	}
2037	}
2038
2039	if (!(pRecord->cbRecord & VBVA_F_RECORD_PARTIAL))
2040	{
2041	/* The record is completed by guest. Return it to the caller. */
2042	ppHdr = (VBVACMDHDR )mpu8VbvaPartial;
2043	*pcbCmd = mcbVbvaPartial;
2044
2045	mpu8VbvaPartial = NULL;
2046	mcbVbvaPartial = 0;
2047
2048	/* Advance the record index. */
2049	mpVbvaMemory->indexRecordFirst = (indexRecordFirst + 1) % VBVA_MAX_RECORDS;
2050
2051	#ifdef DEBUG_sunlover
2052	LogFlowFunc(("partial done ok, data = %d, free = %d\n",
2053	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
2054	#endif /* DEBUG_sunlover */
2055	}
2056
2057	return true;
2058	}
2059
2060	/* A new record need to be processed. */
2061	if (pRecord->cbRecord & VBVA_F_RECORD_PARTIAL)
2062	{
2063	/* Current record is being written by guest. '=' is important here. */
2064	if (cbRecord >= VBVA_RING_BUFFER_SIZE - VBVA_RING_BUFFER_THRESHOLD)
2065	{
2066	/* Partial read must be started. */
2067	if (!vbvaPartialRead (&mpu8VbvaPartial, &mcbVbvaPartial, cbRecord, mpVbvaMemory))
2068	{
2069	return false;
2070	}
2071
2072	LogFlowFunc(("started partial record mcbVbvaPartial = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n",
2073	mcbVbvaPartial, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
2074	}
2075
2076	return true;
2077	}
2078
2079	/* Current record is complete. If it is not empty, process it. */
2080	if (cbRecord)
2081	{
2082	/* The size of largest contiguous chunk in the ring biffer. */
2083	uint32_t u32BytesTillBoundary = VBVA_RING_BUFFER_SIZE - mpVbvaMemory->off32Data;
2084
2085	/* The ring buffer pointer. */
2086	uint8_t *au8RingBuffer = &mpVbvaMemory->au8RingBuffer[0];
2087
2088	/* The pointer to data in the ring buffer. */
2089	uint8_t *src = &au8RingBuffer[mpVbvaMemory->off32Data];
2090
2091	/* Fetch or point the data. */
2092	if (u32BytesTillBoundary >= cbRecord)
2093	{
2094	/* The command does not cross buffer boundary. Return address in the buffer. */
2095	ppHdr = (VBVACMDHDR )src;
2096
2097	/* Advance data offset. */
2098	mpVbvaMemory->off32Data = (mpVbvaMemory->off32Data + cbRecord) % VBVA_RING_BUFFER_SIZE;
2099	}
2100	else
2101	{
2102	/* The command crosses buffer boundary. Rare case, so not optimized. */
2103	uint8_t dst = (uint8_t )RTMemAlloc (cbRecord);
2104
2105	if (!dst)
2106	{
2107	LogRelFlowFunc(("could not allocate %d bytes from heap!!!\n", cbRecord));
2108	mpVbvaMemory->off32Data = (mpVbvaMemory->off32Data + cbRecord) % VBVA_RING_BUFFER_SIZE;
2109	return false;
2110	}
2111
2112	vbvaFetchBytes (mpVbvaMemory, dst, cbRecord);
2113
2114	ppHdr = (VBVACMDHDR )dst;
2115
2116	#ifdef DEBUG_sunlover
2117	LogFlowFunc(("Allocated from heap %p\n", dst));
2118	#endif /* DEBUG_sunlover */
2119	}
2120	}
2121
2122	*pcbCmd = cbRecord;
2123
2124	/* Advance the record index. */
2125	mpVbvaMemory->indexRecordFirst = (indexRecordFirst + 1) % VBVA_MAX_RECORDS;
2126
2127	#ifdef DEBUG_sunlover
2128	LogFlowFunc(("done ok, data = %d, free = %d\n",
2129	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
2130	#endif /* DEBUG_sunlover */
2131
2132	return true;
2133	}
2134
2135	void Display::vbvaReleaseCmd (VBVACMDHDR *pHdr, int32_t cbCmd)
2136	{
2137	uint8_t *au8RingBuffer = mpVbvaMemory->au8RingBuffer;
2138
2139	if ( (uint8_t *)pHdr >= au8RingBuffer
2140	&& (uint8_t *)pHdr < &au8RingBuffer[VBVA_RING_BUFFER_SIZE])
2141	{
2142	/* The pointer is inside ring buffer. Must be continuous chunk. */
2143	Assert (VBVA_RING_BUFFER_SIZE - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);
2144
2145	/* Do nothing. */
2146
2147	Assert (!mpu8VbvaPartial && mcbVbvaPartial == 0);
2148	}
2149	else
2150	{
2151	/* The pointer is outside. It is then an allocated copy. */
2152
2153	#ifdef DEBUG_sunlover
2154	LogFlowFunc(("Free heap %p\n", pHdr));
2155	#endif /* DEBUG_sunlover */
2156
2157	if ((uint8_t *)pHdr == mpu8VbvaPartial)
2158	{
2159	mpu8VbvaPartial = NULL;
2160	mcbVbvaPartial = 0;
2161	}
2162	else
2163	{
2164	Assert (!mpu8VbvaPartial && mcbVbvaPartial == 0);
2165	}
2166
2167	RTMemFree (pHdr);
2168	}
2169
2170	return;
2171	}
2172
2173
2174	/**
2175	* Called regularly on the DisplayRefresh timer.
2176	* Also on behalf of guest, when the ring buffer is full.
2177	*
2178	* @thread EMT
2179	*/
2180	void Display::VideoAccelFlush (void)
2181	{
2182	vbvaLock();
2183	videoAccelFlush();
2184	vbvaUnlock();
2185	}
2186
2187	/* Under VBVA lock. DevVGA is not taken. */
2188	void Display::videoAccelFlush (void)
2189	{
2190	#ifdef DEBUG_sunlover_2
2191	LogFlowFunc(("mfVideoAccelEnabled = %d\n", mfVideoAccelEnabled));
2192	#endif /* DEBUG_sunlover_2 */
2193
2194	if (!mfVideoAccelEnabled)
2195	{
2196	Log(("Display::VideoAccelFlush: called with disabled VBVA!!! Ignoring.\n"));
2197	return;
2198	}
2199
2200	/* Here VBVA is enabled and we have the accelerator memory pointer. */
2201	Assert(mpVbvaMemory);
2202
2203	#ifdef DEBUG_sunlover_2
2204	LogFlowFunc(("indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
2205	mpVbvaMemory->indexRecordFirst, mpVbvaMemory->indexRecordFree,
2206	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
2207	#endif /* DEBUG_sunlover_2 */
2208
2209	/* Quick check for "nothing to update" case. */
2210	if (mpVbvaMemory->indexRecordFirst == mpVbvaMemory->indexRecordFree)
2211	{
2212	return;
2213	}
2214
2215	/* Process the ring buffer */
2216	unsigned uScreenId;
2217
2218	/* Initialize dirty rectangles accumulator. */
2219	VBVADIRTYREGION rgn;
2220	vbvaRgnInit (&rgn, maFramebuffers, mcMonitors, this, mpDrv->pUpPort);
2221
2222	for (;;)
2223	{
2224	VBVACMDHDR *phdr = NULL;
2225	uint32_t cbCmd = ~0;
2226
2227	/* Fetch the command data. */
2228	if (!vbvaFetchCmd (&phdr, &cbCmd))
2229	{
2230	Log(("Display::VideoAccelFlush: unable to fetch command. off32Data = %d, off32Free = %d. Disabling VBVA!!!\n",
2231	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
2232
2233	/* Disable VBVA on those processing errors. */
2234	videoAccelEnable (false, NULL);
2235
2236	break;
2237	}
2238
2239	if (cbCmd == uint32_t(~0))
2240	{
2241	/* No more commands yet in the queue. */
2242	break;
2243	}
2244
2245	if (cbCmd != 0)
2246	{
2247	#ifdef DEBUG_sunlover
2248	LogFlowFunc(("hdr: cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
2249	cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
2250	#endif /* DEBUG_sunlover */
2251
2252	VBVACMDHDR hdrSaved = *phdr;
2253
2254	int x = phdr->x;
2255	int y = phdr->y;
2256	int w = phdr->w;
2257	int h = phdr->h;
2258
2259	uScreenId = mapCoordsToScreen(maFramebuffers, mcMonitors, &x, &y, &w, &h);
2260
2261	phdr->x = (int16_t)x;
2262	phdr->y = (int16_t)y;
2263	phdr->w = (uint16_t)w;
2264	phdr->h = (uint16_t)h;
2265
2266	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
2267
2268	if (pFBInfo->u32ResizeStatus == ResizeStatus_Void)
2269	{
2270	/* Handle the command.
2271	*
2272	* Guest is responsible for updating the guest video memory.
2273	* The Windows guest does all drawing using Eng*.
2274	*
2275	* For local output, only dirty rectangle information is used
2276	* to update changed areas.
2277	*
2278	* Dirty rectangles are accumulated to exclude overlapping updates and
2279	* group small updates to a larger one.
2280	*/
2281
2282	/* Accumulate the update. */
2283	vbvaRgnDirtyRect (&rgn, uScreenId, phdr);
2284
2285	/* Forward the command to VRDP server. */
2286	mParent->consoleVRDPServer()->SendUpdate (uScreenId, phdr, cbCmd);
2287
2288	*phdr = hdrSaved;
2289	}
2290	}
2291
2292	vbvaReleaseCmd (phdr, cbCmd);
2293	}
2294
2295	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
2296	{
2297	if (maFramebuffers[uScreenId].u32ResizeStatus == ResizeStatus_Void)
2298	{
2299	/* Draw the framebuffer. */
2300	vbvaRgnUpdateFramebuffer (&rgn, uScreenId);
2301	}
2302	}
2303	}
2304
2305	int Display::videoAccelRefreshProcess(void)
2306	{
2307	int rc = VWRN_INVALID_STATE; /* Default is to do a display update in VGA device. */
2308
2309	vbvaLock();
2310
2311	if (ASMAtomicCmpXchgU32(&mfu32PendingVideoAccelDisable, false, true))
2312	{
2313	videoAccelEnable (false, NULL);
2314	}
2315	else if (mfPendingVideoAccelEnable)
2316	{
2317	/* Acceleration was enabled while machine was not yet running
2318	* due to restoring from saved state. Update entire display and
2319	* actually enable acceleration.
2320	*/
2321	Assert(mpPendingVbvaMemory);
2322
2323	/* Acceleration can not be yet enabled.*/
2324	Assert(mpVbvaMemory == NULL);
2325	Assert(!mfVideoAccelEnabled);
2326
2327	if (mfMachineRunning)
2328	{
2329	videoAccelEnable (mfPendingVideoAccelEnable,
2330	mpPendingVbvaMemory);
2331
2332	/* Reset the pending state. */
2333	mfPendingVideoAccelEnable = false;
2334	mpPendingVbvaMemory = NULL;
2335	}
2336
2337	rc = VINF_TRY_AGAIN;
2338	}
2339	else
2340	{
2341	Assert(mpPendingVbvaMemory == NULL);
2342
2343	if (mfVideoAccelEnabled)
2344	{
2345	Assert(mpVbvaMemory);
2346	videoAccelFlush ();
2347
2348	rc = VINF_SUCCESS; /* VBVA processed, no need to a display update. */
2349	}
2350	}
2351
2352	vbvaUnlock();
2353
2354	return rc;
2355	}
2356
2357	void Display::notifyPowerDown(void)
2358	{
2359	LogRelFlowFunc(("\n"));
2360
2361	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2362
2363	/* Source bitmaps are not available anymore. */
2364	mfSourceBitmapEnabled = false;
2365
2366	/* Resize all displays to tell framebuffers to forget current source bitmap. */
2367	unsigned uScreenId = mcMonitors;
2368	while (uScreenId > 0)
2369	{
2370	--uScreenId;
2371
2372	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
2373	if (!pFBInfo->fDisabled)
2374	{
2375	handleDisplayResize(uScreenId, 32,
2376	pFBInfo->pu8FramebufferVRAM,
2377	pFBInfo->u32LineSize,
2378	pFBInfo->w,
2379	pFBInfo->h,
2380	0);
2381	}
2382	}
2383	}
2384
2385	// IDisplay methods
2386	/////////////////////////////////////////////////////////////////////////////
2387	STDMETHODIMP Display::GetScreenResolution(ULONG aScreenId,
2388	ULONG aWidth, ULONG aHeight, ULONG *aBitsPerPixel,
2389	LONG aXOrigin, LONG aYOrigin)
2390	{
2391	LogRelFlowFunc(("aScreenId=%RU32\n", aScreenId));
2392
2393	AutoCaller autoCaller(this);
2394	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2395
2396	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2397
2398	uint32_t u32Width = 0;
2399	uint32_t u32Height = 0;
2400	uint32_t u32BitsPerPixel = 0;
2401	int32_t xOrigin = 0;
2402	int32_t yOrigin = 0;
2403
2404	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2405	{
2406	if (mpDrv)
2407	{
2408	u32Width = mpDrv->IConnector.cx;
2409	u32Height = mpDrv->IConnector.cy;
2410	int rc = mpDrv->pUpPort->pfnQueryColorDepth(mpDrv->pUpPort, &u32BitsPerPixel);
2411	AssertRC(rc);
2412	}
2413	}
2414	else if (aScreenId < mcMonitors)
2415	{
2416	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2417	u32Width = pFBInfo->w;
2418	u32Height = pFBInfo->h;
2419	u32BitsPerPixel = pFBInfo->u16BitsPerPixel;
2420	xOrigin = pFBInfo->xOrigin;
2421	yOrigin = pFBInfo->yOrigin;
2422	}
2423	else
2424	{
2425	return E_INVALIDARG;
2426	}
2427
2428	if (aWidth)
2429	*aWidth = u32Width;
2430	if (aHeight)
2431	*aHeight = u32Height;
2432	if (aBitsPerPixel)
2433	*aBitsPerPixel = u32BitsPerPixel;
2434	if (aXOrigin)
2435	*aXOrigin = xOrigin;
2436	if (aYOrigin)
2437	*aYOrigin = yOrigin;
2438
2439	return S_OK;
2440	}
2441
2442	STDMETHODIMP Display::SetFramebuffer(ULONG aScreenId, IFramebuffer *aFramebuffer)
2443	{
2444	LogRelFlowFunc(("\n"));
2445
2446	if (aFramebuffer != NULL)
2447	CheckComArgOutPointerValid(aFramebuffer);
2448
2449	AutoCaller autoCaller(this);
2450	if (FAILED(autoCaller.rc()))
2451	return autoCaller.rc();
2452
2453	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2454
2455	Console::SafeVMPtrQuiet ptrVM(mParent);
2456	if (ptrVM.isOk())
2457	{
2458	/* Must release the lock here because the changeFramebuffer will
2459	* also obtain it. */
2460	alock.release();
2461
2462	/* send request to the EMT thread */
2463	int vrc = VMR3ReqCallWaitU(ptrVM.rawUVM(), VMCPUID_ANY,
2464	(PFNRT)changeFramebuffer, 3, this, aFramebuffer, aScreenId);
2465
2466	ComAssertRCRet(vrc, E_FAIL);
2467	alock.acquire();
2468
2469	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
2470	BOOL fIs3DEnabled;
2471	HRESULT hr = mParent->machine()->COMGETTER(Accelerate3DEnabled)(&fIs3DEnabled);
2472	ComAssertComRC(hr);
2473	if (fIs3DEnabled)
2474	{
2475	VBOXCRCMDCTL_HGCM data;
2476	RT_ZERO(data);
2477	data.Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
2478	data.Hdr.u32Function = SHCRGL_HOST_FN_SCREEN_CHANGED;
2479
2480	data.aParms[0].type = VBOX_HGCM_SVC_PARM_32BIT;
2481	data.aParms[0].u.uint32 = aScreenId;
2482
2483	alock.release();
2484
2485	vrc = crCtlSubmitSync(&data.Hdr, sizeof(data));
2486	AssertRC(vrc);
2487
2488	alock.acquire();
2489	}
2490	#endif /* #if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL) */
2491	}
2492	else
2493	{
2494	/* No VM is created (VM is powered off), do a direct call */
2495	int vrc = changeFramebuffer(this, aFramebuffer, aScreenId);
2496	ComAssertRCRet(vrc, E_FAIL);
2497	}
2498
2499	return S_OK;
2500	}
2501
2502	STDMETHODIMP Display::AttachFramebuffer(ULONG aScreenId,
2503	IFramebuffer *aFramebuffer)
2504	{
2505	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2506
2507	CheckComArgPointerValid(aFramebuffer);
2508
2509	AutoCaller autoCaller(this);
2510	if (FAILED(autoCaller.rc()))
2511	return autoCaller.rc();
2512
2513	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2514
2515	if (aScreenId >= mcMonitors)
2516	return setError(E_INVALIDARG, tr("AttachFramebuffer: Invalid screen %d (total %d)"),
2517	aScreenId, mcMonitors);
2518
2519	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2520	if (!pFBInfo->pFramebuffer.isNull())
2521	return setError(E_FAIL, tr("AttachFramebuffer: Framebuffer already attached to %d"),
2522	aScreenId);
2523
2524	pFBInfo->pFramebuffer = aFramebuffer;
2525
2526	/* The driver might not have been constructed yet */
2527	if (mpDrv)
2528	{
2529	/* Setup the new framebuffer. */
2530
2531	#if defined(VBOX_WITH_CROGL)
2532	/* Release the lock, because SHCRGL_HOST_FN_SCREEN_CHANGED will read current framebuffer */
2533	/* @todo investigate */
2534	{
2535	BOOL is3denabled;
2536	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
2537
2538	if (is3denabled)
2539	{
2540	alock.release();
2541	}
2542	}
2543	#endif
2544
2545	/* @todo generic code for all monitors. */
2546	if (pFBInfo->fVBVAEnabled && pFBInfo->pu8FramebufferVRAM)
2547	{
2548	/* This display in VBVA mode. Resize it to the last guest resolution,
2549	* if it has been reported.
2550	*/
2551	handleDisplayResize(aScreenId, pFBInfo->u16BitsPerPixel,
2552	pFBInfo->pu8FramebufferVRAM,
2553	pFBInfo->u32LineSize,
2554	pFBInfo->w,
2555	pFBInfo->h,
2556	pFBInfo->flags);
2557	}
2558	else if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2559	{
2560	/* VGA device mode, only for the primary screen. */
2561	handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, mLastBitsPerPixel,
2562	mLastAddress,
2563	mLastBytesPerLine,
2564	mLastWidth,
2565	mLastHeight,
2566	mLastFlags);
2567	}
2568
2569	alock.release();
2570
2571	Console::SafeVMPtrQuiet ptrVM(mParent);
2572	if (ptrVM.isOk())
2573	{
2574	VMR3ReqCallNoWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::InvalidateAndUpdateEMT,
2575	3, this, aScreenId, false);
2576	}
2577	}
2578
2579	LogRelFlowFunc(("Attached to %d\n", aScreenId));
2580	return S_OK;
2581	}
2582
2583	STDMETHODIMP Display::DetachFramebuffer(ULONG aScreenId)
2584	{
2585	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2586
2587	AutoCaller autoCaller(this);
2588	if (FAILED(autoCaller.rc()))
2589	return autoCaller.rc();
2590
2591	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2592
2593	if (aScreenId >= mcMonitors)
2594	return setError(E_INVALIDARG, tr("DetachFramebuffer: Invalid screen %d (total %d)"),
2595	aScreenId, mcMonitors);
2596
2597	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2598
2599	pFBInfo->pFramebuffer.setNull();
2600
2601	return S_OK;
2602	}
2603
2604	STDMETHODIMP Display::QueryFramebuffer(ULONG aScreenId,
2605	IFramebuffer **aFramebuffer)
2606	{
2607	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
2608
2609	CheckComArgOutPointerValid(aFramebuffer);
2610
2611	AutoCaller autoCaller(this);
2612	if (FAILED(autoCaller.rc()))
2613	return autoCaller.rc();
2614
2615	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2616
2617	if (aScreenId >= mcMonitors)
2618	return setError(E_INVALIDARG, tr("QueryFramebuffer: Invalid screen %d (total %d)"),
2619	aScreenId, mcMonitors);
2620
2621	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2622
2623	*aFramebuffer = pFBInfo->pFramebuffer;
2624	if (!pFBInfo->pFramebuffer.isNull())
2625	pFBInfo->pFramebuffer->AddRef();
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->pSourceBitmap.isNull())
3351	{
3352	/* Update the changed screen area. When source bitmap uses VRAM directly, just notify
3353	* frontend to update. And for default format, render the guest VRAM to the source bitmap.
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
3404	pDisplay->handleDisplayUpdate(aScreenId, x, y, width, height);
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	{
3492	pDisplay->mpDrv->pUpPort->pfnUpdateDisplayAll(pDisplay->mpDrv->pUpPort);
3493	}
3494	else
3495	{
3496	if ( !pFBInfo->fDisabled
3497	&& pFBInfo->u32ResizeStatus == ResizeStatus_Void)
3498	{
3499	/* Render complete VRAM screen to the framebuffer.
3500	* When framebuffer uses VRAM directly, just notify it to update.
3501	*/
3502	if (pFBInfo->fDefaultFormat && !pFBInfo->pSourceBitmap.isNull())
3503	{
3504	BYTE *pAddress = NULL;
3505	ULONG ulWidth = 0;
3506	ULONG ulHeight = 0;
3507	ULONG ulBitsPerPixel = 0;
3508	ULONG ulBytesPerLine = 0;
3509	ULONG ulPixelFormat = 0;
3510
3511	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
3512	&ulWidth,
3513	&ulHeight,
3514	&ulBitsPerPixel,
3515	&ulBytesPerLine,
3516	&ulPixelFormat);
3517	if (SUCCEEDED(hrc))
3518	{
3519	uint32_t width = pFBInfo->w;
3520	uint32_t height = pFBInfo->h;
3521
3522	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
3523	int32_t xSrc = 0;
3524	int32_t ySrc = 0;
3525	uint32_t u32SrcWidth = pFBInfo->w;
3526	uint32_t u32SrcHeight = pFBInfo->h;
3527	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
3528	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
3529
3530	/* Default format is 32 bpp. */
3531	uint8_t *pu8Dst = pAddress;
3532	int32_t xDst = xSrc;
3533	int32_t yDst = ySrc;
3534	uint32_t u32DstWidth = u32SrcWidth;
3535	uint32_t u32DstHeight = u32SrcHeight;
3536	uint32_t u32DstLineSize = u32DstWidth * 4;
3537	uint32_t u32DstBitsPerPixel = 32;
3538
3539	/* if uWidth != pFBInfo->w and uHeight != pFBInfo->h
3540	* implies resize of Framebuffer is in progress and
3541	* copyrect should not be called.
3542	*/
3543	if (ulWidth == pFBInfo->w && ulHeight == pFBInfo->h)
3544	{
3545
3546	pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
3547	width, height,
3548	pu8Src,
3549	xSrc, ySrc,
3550	u32SrcWidth, u32SrcHeight,
3551	u32SrcLineSize, u32SrcBitsPerPixel,
3552	pu8Dst,
3553	xDst, yDst,
3554	u32DstWidth, u32DstHeight,
3555	u32DstLineSize, u32DstBitsPerPixel);
3556	}
3557	}
3558	}
3559
3560	pDisplay->handleDisplayUpdate (uScreenId, 0, 0, pFBInfo->w, pFBInfo->h);
3561	}
3562	}
3563	if (!fUpdateAll)
3564	break;
3565	}
3566	pDisplay->vbvaUnlock();
3567	}
3568
3569	/**
3570	* Does a full invalidation of the VM display and instructs the VM
3571	* to update it immediately.
3572	*
3573	* @returns COM status code
3574	*/
3575	STDMETHODIMP Display::InvalidateAndUpdate()
3576	{
3577	LogRelFlowFunc(("\n"));
3578
3579	AutoCaller autoCaller(this);
3580	if (FAILED(autoCaller.rc())) return autoCaller.rc();
3581
3582	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3583
3584	CHECK_CONSOLE_DRV(mpDrv);
3585
3586	Console::SafeVMPtr ptrVM(mParent);
3587	if (!ptrVM.isOk())
3588	return ptrVM.rc();
3589
3590	HRESULT rc = S_OK;
3591
3592	LogRelFlowFunc(("Sending DPYUPDATE request\n"));
3593
3594	/* Have to release the lock when calling EMT. */
3595	alock.release();
3596
3597	/* pdm.h says that this has to be called from the EMT thread */
3598	int rcVBox = VMR3ReqCallVoidWaitU(ptrVM.rawUVM(), VMCPUID_ANY, (PFNRT)Display::InvalidateAndUpdateEMT,
3599	3, this, 0, true);
3600	alock.acquire();
3601
3602	if (RT_FAILURE(rcVBox))
3603	rc = setError(VBOX_E_IPRT_ERROR,
3604	tr("Could not invalidate and update the screen (%Rrc)"), rcVBox);
3605
3606	LogRelFlowFunc(("rc=%Rhrc\n", rc));
3607	return rc;
3608	}
3609
3610	STDMETHODIMP Display::CompleteVHWACommand(BYTE *pCommand)
3611	{
3612	#ifdef VBOX_WITH_VIDEOHWACCEL
3613	mpDrv->pVBVACallbacks->pfnVHWACommandCompleteAsync(mpDrv->pVBVACallbacks, (PVBOXVHWACMD)pCommand);
3614	return S_OK;
3615	#else
3616	return E_NOTIMPL;
3617	#endif
3618	}
3619
3620	STDMETHODIMP Display::ViewportChanged(ULONG aScreenId, ULONG x, ULONG y, ULONG width, ULONG height)
3621	{
3622	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
3623
3624	if (mcMonitors <= aScreenId)
3625	{
3626	AssertMsgFailed(("invalid screen id\n"));
3627	return E_INVALIDARG;
3628	}
3629
3630	BOOL is3denabled;
3631	mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
3632
3633	if (is3denabled)
3634	{
3635	int rc = crViewportNotify(aScreenId, x, y, width, height);
3636	if (RT_FAILURE(rc))
3637	{
3638	DISPLAYFBINFO *pFb = &maFramebuffers[aScreenId];
3639	pFb->pendingViewportInfo.fPending = true;
3640	pFb->pendingViewportInfo.x = x;
3641	pFb->pendingViewportInfo.y = y;
3642	pFb->pendingViewportInfo.width = width;
3643	pFb->pendingViewportInfo.height = height;
3644	}
3645	}
3646	#endif /* VBOX_WITH_CROGL && VBOX_WITH_HGCM */
3647	return S_OK;
3648	}
3649
3650	STDMETHODIMP Display::QuerySourceBitmap(ULONG aScreenId,
3651	IDisplaySourceBitmap **aDisplaySourceBitmap)
3652	{
3653	LogRelFlowFunc(("aScreenId = %d\n", aScreenId));
3654
3655	AutoCaller autoCaller(this);
3656	if (FAILED(autoCaller.rc())) return autoCaller.rc();
3657
3658	Console::SafeVMPtr ptrVM(mParent);
3659	if (!ptrVM.isOk())
3660	return ptrVM.rc();
3661
3662	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3663
3664	if (aScreenId >= mcMonitors)
3665	return setError(E_INVALIDARG, tr("QuerySourceBitmap: Invalid screen %d (total %d)"),
3666	aScreenId, mcMonitors);
3667
3668	HRESULT hr = querySourceBitmap(aScreenId, aDisplaySourceBitmap);
3669
3670	alock.release();
3671
3672	LogRelFlowFunc(("%Rhrc\n", hr));
3673	return hr;
3674	}
3675
3676	// private methods
3677	/////////////////////////////////////////////////////////////////////////////
3678
3679	HRESULT Display::querySourceBitmap(ULONG aScreenId,
3680	IDisplaySourceBitmap **ppDisplaySourceBitmap)
3681	{
3682	HRESULT hr = S_OK;
3683
3684	if (!mfSourceBitmapEnabled)
3685	{
3686	*ppDisplaySourceBitmap = NULL;
3687	return E_FAIL;
3688	}
3689
3690	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
3691	if (pFBInfo->pSourceBitmap.isNull())
3692	{
3693	/* Create a new object. */
3694	ComObjPtr<DisplaySourceBitmap> obj;
3695	hr = obj.createObject();
3696	if (SUCCEEDED(hr))
3697	{
3698	hr = obj->init(this, aScreenId, pFBInfo);
3699	}
3700
3701	if (SUCCEEDED(hr))
3702	{
3703	pFBInfo->pSourceBitmap = obj;
3704
3705	/* Whether VRAM must be copied to the internal buffer. */
3706	pFBInfo->fDefaultFormat = !obj->usesVRAM();
3707
3708	if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3709	{
3710	/* Start buffer updates. */
3711	BYTE *pAddress = NULL;
3712	ULONG ulWidth = 0;
3713	ULONG ulHeight = 0;
3714	ULONG ulBitsPerPixel = 0;
3715	ULONG ulBytesPerLine = 0;
3716	ULONG ulPixelFormat = 0;
3717
3718	obj->QueryBitmapInfo(&pAddress,
3719	&ulWidth,
3720	&ulHeight,
3721	&ulBitsPerPixel,
3722	&ulBytesPerLine,
3723	&ulPixelFormat);
3724
3725	mpDrv->IConnector.pu8Data = pAddress;
3726	mpDrv->IConnector.cbScanline = ulBytesPerLine;
3727	mpDrv->IConnector.cBits = ulBitsPerPixel;
3728	mpDrv->IConnector.cx = ulWidth;
3729	mpDrv->IConnector.cy = ulHeight;
3730
3731	if (pFBInfo->fDefaultFormat)
3732	mpDrv->pUpPort->pfnSetRenderVRAM(mpDrv->pUpPort, true);
3733	}
3734
3735	if (pFBInfo->fDefaultFormat)
3736	{
3737	/* @todo make sure that the bitmap contains the latest image? */
3738	}
3739	}
3740	}
3741
3742	if (SUCCEEDED(hr))
3743	{
3744	pFBInfo->pSourceBitmap->AddRef();
3745	*ppDisplaySourceBitmap = pFBInfo->pSourceBitmap;
3746	}
3747
3748	return hr;
3749	}
3750
3751	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
3752	int Display::crViewportNotify(ULONG aScreenId, ULONG x, ULONG y, ULONG width, ULONG height)
3753	{
3754	VMMDev *pVMMDev = mParent->getVMMDev();
3755	if (!pVMMDev)
3756	return VERR_INVALID_STATE;
3757
3758	size_t cbData = RT_UOFFSETOF(VBOXCRCMDCTL_HGCM, aParms[5]);
3759	VBOXCRCMDCTL_HGCM pData = (VBOXCRCMDCTL_HGCM)alloca(cbData);
3760
3761	pData->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
3762	pData->Hdr.u32Function = SHCRGL_HOST_FN_VIEWPORT_CHANGED;
3763
3764	pData->aParms[0].type = VBOX_HGCM_SVC_PARM_32BIT;
3765	pData->aParms[0].u.uint32 = aScreenId;
3766
3767	pData->aParms[1].type = VBOX_HGCM_SVC_PARM_32BIT;
3768	pData->aParms[1].u.uint32 = x;
3769
3770	pData->aParms[2].type = VBOX_HGCM_SVC_PARM_32BIT;
3771	pData->aParms[2].u.uint32 = y;
3772
3773	pData->aParms[3].type = VBOX_HGCM_SVC_PARM_32BIT;
3774	pData->aParms[3].u.uint32 = width;
3775
3776	pData->aParms[4].type = VBOX_HGCM_SVC_PARM_32BIT;
3777	pData->aParms[4].u.uint32 = height;
3778
3779	return crCtlSubmitSyncIfHasDataForScreen(aScreenId, &pData->Hdr, cbData);
3780	}
3781	#endif
3782
3783	#ifdef VBOX_WITH_CRHGSMI
3784	void Display::setupCrHgsmiData(void)
3785	{
3786	VMMDev *pVMMDev = mParent->getVMMDev();
3787	Assert(pVMMDev);
3788	int rc = RTCritSectRwEnterExcl(&mCrOglLock);
3789	AssertRC(rc);
3790
3791	if (pVMMDev)
3792	rc = pVMMDev->hgcmHostSvcHandleCreate("VBoxSharedCrOpenGL", &mhCrOglSvc);
3793	else
3794	rc = VERR_GENERAL_FAILURE;
3795
3796	if (RT_SUCCESS(rc))
3797	{
3798	Assert(mhCrOglSvc);
3799	/* setup command completion callback */
3800	VBOXVDMACMD_CHROMIUM_CTL_CRHGSMI_SETUP_MAINCB Completion;
3801	Completion.Hdr.enmType = VBOXVDMACMD_CHROMIUM_CTL_TYPE_CRHGSMI_SETUP_MAINCB;
3802	Completion.Hdr.cbCmd = sizeof (Completion);
3803	Completion.hCompletion = mpDrv->pVBVACallbacks;
3804	Completion.pfnCompletion = mpDrv->pVBVACallbacks->pfnCrHgsmiCommandCompleteAsync;
3805
3806	VBOXHGCMSVCPARM parm;
3807	parm.type = VBOX_HGCM_SVC_PARM_PTR;
3808	parm.u.pointer.addr = &Completion;
3809	parm.u.pointer.size = 0;
3810
3811	rc = pVMMDev->hgcmHostCall("VBoxSharedCrOpenGL", SHCRGL_HOST_FN_CRHGSMI_CTL, 1, &parm);
3812	if (RT_SUCCESS(rc))
3813	mCrOglCallbacks = Completion.MainInterface;
3814	else
3815	AssertMsgFailed(("VBOXVDMACMD_CHROMIUM_CTL_TYPE_CRHGSMI_SETUP_COMPLETION failed rc %d", rc));
3816	}
3817
3818	if (RT_FAILURE(rc))
3819	mhCrOglSvc = NULL;
3820
3821	RTCritSectRwLeaveExcl(&mCrOglLock);
3822	}
3823
3824	void Display::destructCrHgsmiData(void)
3825	{
3826	int rc = RTCritSectRwEnterExcl(&mCrOglLock);
3827	AssertRC(rc);
3828	mhCrOglSvc = NULL;
3829	RTCritSectRwLeaveExcl(&mCrOglLock);
3830	}
3831	#endif
3832
3833	/**
3834	* Changes the current frame buffer. Called on EMT to avoid both
3835	* race conditions and excessive locking.
3836	*
3837	* @note locks this object for writing
3838	* @thread EMT
3839	*/
3840	/* static */
3841	DECLCALLBACK(int) Display::changeFramebuffer (Display that, IFramebuffer aFB,
3842	unsigned uScreenId)
3843	{
3844	LogRelFlowFunc(("uScreenId = %d\n", uScreenId));
3845
3846	AssertReturn(that, VERR_INVALID_PARAMETER);
3847	AssertReturn(uScreenId < that->mcMonitors, VERR_INVALID_PARAMETER);
3848
3849	AutoCaller autoCaller(that);
3850	if (FAILED(autoCaller.rc())) return autoCaller.rc();
3851
3852	AutoWriteLock alock(that COMMA_LOCKVAL_SRC_POS);
3853
3854	DISPLAYFBINFO *pDisplayFBInfo = &that->maFramebuffers[uScreenId];
3855	pDisplayFBInfo->pFramebuffer = aFB;
3856
3857	that->mParent->consoleVRDPServer()->SendResize ();
3858
3859	/* The driver might not have been constructed yet */
3860	if (that->mpDrv)
3861	{
3862	/* Setup the new framebuffer. */
3863	DISPLAYFBINFO *pFBInfo = &that->maFramebuffers[uScreenId];
3864
3865	#if defined(VBOX_WITH_CROGL)
3866	/* Release the lock, because SHCRGL_HOST_FN_SCREEN_CHANGED will read current framebuffer */
3867	{
3868	BOOL is3denabled;
3869	that->mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
3870
3871	if (is3denabled)
3872	{
3873	alock.release();
3874	}
3875	}
3876	#endif
3877
3878	if (pFBInfo->fVBVAEnabled && pFBInfo->pu8FramebufferVRAM)
3879	{
3880	/* This display in VBVA mode. Resize it to the last guest resolution,
3881	* if it has been reported.
3882	*/
3883	that->handleDisplayResize(uScreenId, pFBInfo->u16BitsPerPixel,
3884	pFBInfo->pu8FramebufferVRAM,
3885	pFBInfo->u32LineSize,
3886	pFBInfo->w,
3887	pFBInfo->h,
3888	pFBInfo->flags);
3889	}
3890	else if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3891	{
3892	/* VGA device mode, only for the primary screen. */
3893	that->handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, that->mLastBitsPerPixel,
3894	that->mLastAddress,
3895	that->mLastBytesPerLine,
3896	that->mLastWidth,
3897	that->mLastHeight,
3898	that->mLastFlags);
3899	}
3900	}
3901
3902	LogRelFlowFunc(("leave\n"));
3903	return VINF_SUCCESS;
3904	}
3905
3906	/**
3907	* Handle display resize event issued by the VGA device for the primary screen.
3908	*
3909	* @see PDMIDISPLAYCONNECTOR::pfnResize
3910	*/
3911	DECLCALLBACK(int) Display::displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface,
3912	uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy)
3913	{
3914	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3915
3916	LogRelFlowFunc(("bpp %d, pvVRAM %p, cbLine %d, cx %d, cy %d\n",
3917	bpp, pvVRAM, cbLine, cx, cy));
3918
3919	return pDrv->pDisplay->handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, bpp, pvVRAM, cbLine, cx, cy, VBVA_SCREEN_F_ACTIVE);
3920	}
3921
3922	/**
3923	* Handle display update.
3924	*
3925	* @see PDMIDISPLAYCONNECTOR::pfnUpdateRect
3926	*/
3927	DECLCALLBACK(void) Display::displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
3928	uint32_t x, uint32_t y, uint32_t cx, uint32_t cy)
3929	{
3930	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3931
3932	#ifdef DEBUG_sunlover
3933	LogFlowFunc(("mfVideoAccelEnabled = %d, %d,%d %dx%d\n",
3934	pDrv->pDisplay->mfVideoAccelEnabled, x, y, cx, cy));
3935	#endif /* DEBUG_sunlover */
3936
3937	/* This call does update regardless of VBVA status.
3938	* But in VBVA mode this is called only as result of
3939	* pfnUpdateDisplayAll in the VGA device.
3940	*/
3941
3942	pDrv->pDisplay->handleDisplayUpdate(VBOX_VIDEO_PRIMARY_SCREEN, x, y, cx, cy);
3943	}
3944
3945	/**
3946	* Periodic display refresh callback.
3947	*
3948	* @see PDMIDISPLAYCONNECTOR::pfnRefresh
3949	* @thread EMT
3950	*/
3951	DECLCALLBACK(void) Display::displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface)
3952	{
3953	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3954
3955	#ifdef DEBUG_sunlover
3956	STAM_PROFILE_START(&g_StatDisplayRefresh, a);
3957	#endif /* DEBUG_sunlover */
3958
3959	#ifdef DEBUG_sunlover_2
3960	LogFlowFunc(("pDrv->pDisplay->mfVideoAccelEnabled = %d\n",
3961	pDrv->pDisplay->mfVideoAccelEnabled));
3962	#endif /* DEBUG_sunlover_2 */
3963
3964	Display *pDisplay = pDrv->pDisplay;
3965	bool fNoUpdate = false; /* Do not update the display if any of the framebuffers is being resized. */
3966	unsigned uScreenId;
3967
3968	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
3969	{
3970	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
3971
3972	/* Check the resize status. The status can be checked normally because
3973	* the status affects only the EMT.
3974	*/
3975	uint32_t u32ResizeStatus = pFBInfo->u32ResizeStatus;
3976
3977	if (u32ResizeStatus == ResizeStatus_UpdateDisplayData)
3978	{
3979	LogRelFlowFunc(("ResizeStatus_UpdateDisplayData %d\n", uScreenId));
3980	fNoUpdate = true; /* Always set it here, because pfnUpdateDisplayAll can cause a new resize. */
3981	/* The framebuffer was resized and display data need to be updated. */
3982	pDisplay->handleResizeCompletedEMT(uScreenId, FALSE);
3983	if (pFBInfo->u32ResizeStatus != ResizeStatus_Void)
3984	{
3985	/* The resize status could be not Void here because a pending resize is issued. */
3986	continue;
3987	}
3988
3989	/* Repaint the display because VM continued to run during the framebuffer resize. */
3990	pDisplay->InvalidateAndUpdateEMT(pDisplay, uScreenId, false);
3991
3992	/* Continue with normal processing because the status here is ResizeStatus_Void. */
3993	}
3994	else if (u32ResizeStatus == ResizeStatus_InProgress)
3995	{
3996	/* The framebuffer is being resized. Do not call the VGA device back. Immediately return. */
3997	LogRelFlowFunc(("ResizeStatus_InProcess\n"));
3998	fNoUpdate = true;
3999	continue;
4000	}
4001	}
4002
4003	if (!fNoUpdate)
4004	{
4005	int rc = pDisplay->videoAccelRefreshProcess();
4006	if (rc != VINF_TRY_AGAIN) /* Means 'do nothing' here. */
4007	{
4008	if (rc == VWRN_INVALID_STATE)
4009	{
4010	/* No VBVA do a display update. */
4011	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN];
4012	if (pFBInfo->u32ResizeStatus == ResizeStatus_Void)
4013	{
4014	pDisplay->vbvaLock();
4015	pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
4016	pDisplay->vbvaUnlock();
4017	}
4018	}
4019
4020	/* Inform the VRDP server that the current display update sequence is
4021	* completed. At this moment the framebuffer memory contains a definite
4022	* image, that is synchronized with the orders already sent to VRDP client.
4023	* The server can now process redraw requests from clients or initial
4024	* fullscreen updates for new clients.
4025	*/
4026	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
4027	{
4028	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
4029
4030	if (pFBInfo->u32ResizeStatus == ResizeStatus_Void)
4031	{
4032	Assert (pDisplay->mParent && pDisplay->mParent->consoleVRDPServer());
4033	pDisplay->mParent->consoleVRDPServer()->SendUpdate (uScreenId, NULL, 0);
4034	}
4035	}
4036	}
4037	}
4038
4039	#ifdef VBOX_WITH_VPX
4040	if (VideoRecIsEnabled(pDisplay->mpVideoRecCtx))
4041	{
4042	do {
4043	# if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
4044	BOOL is3denabled;
4045	pDisplay->mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
4046	if (is3denabled)
4047	{
4048	if (ASMAtomicCmpXchgU32(&pDisplay->mfCrOglVideoRecState, CRVREC_STATE_SUBMITTED, CRVREC_STATE_IDLE))
4049	{
4050	if (pDisplay->mCrOglCallbacks.pfnHasData())
4051	{
4052	/* submit */
4053	VBOXCRCMDCTL_HGCM *pData = &pDisplay->mCrOglScreenshotCtl;
4054
4055	pData->Hdr.enmType = VBOXCRCMDCTL_TYPE_HGCM;
4056	pData->Hdr.u32Function = SHCRGL_HOST_FN_TAKE_SCREENSHOT;
4057
4058	pData->aParms[0].type = VBOX_HGCM_SVC_PARM_PTR;
4059	pData->aParms[0].u.pointer.addr = &pDisplay->mCrOglScreenshotData;
4060	pData->aParms[0].u.pointer.size = sizeof (pDisplay->mCrOglScreenshotData);
4061	int rc = pDisplay->crCtlSubmit(&pData->Hdr, sizeof (*pData), displayCrCmdFree, pData);
4062	if (!RT_SUCCESS(rc))
4063	AssertMsgFailed(("crCtlSubmit failed rc %d\n", rc));
4064	}
4065
4066	/* no 3D data available, or error has occured,
4067	* go the straight way */
4068	ASMAtomicWriteU32(&pDisplay->mfCrOglVideoRecState, CRVREC_STATE_IDLE);
4069	}
4070	else
4071	{
4072	/* record request is still in progress, don't do anything */
4073	break;
4074	}
4075	}
4076	# endif /* VBOX_WITH_HGCM && VBOX_WITH_CROGL */
4077
4078	uint64_t u64Now = RTTimeProgramMilliTS();
4079	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
4080	{
4081	if (!pDisplay->maVideoRecEnabled[uScreenId])
4082	continue;
4083
4084	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
4085
4086	if ( !pFBInfo->pFramebuffer.isNull()
4087	&& !pFBInfo->fDisabled
4088	&& pFBInfo->u32ResizeStatus == ResizeStatus_Void)
4089	{
4090	int rc = VERR_NOT_SUPPORTED;
4091	if ( pFBInfo->fVBVAEnabled
4092	&& pFBInfo->pu8FramebufferVRAM)
4093	{
4094	rc = VideoRecCopyToIntBuf(pDisplay->mpVideoRecCtx, uScreenId, 0, 0,
4095	FramebufferPixelFormat_FOURCC_RGB,
4096	pFBInfo->u16BitsPerPixel,
4097	pFBInfo->u32LineSize, pFBInfo->w, pFBInfo->h,
4098	pFBInfo->pu8FramebufferVRAM, u64Now);
4099	}
4100	else if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && pDrv->IConnector.pu8Data)
4101	{
4102	rc = VideoRecCopyToIntBuf(pDisplay->mpVideoRecCtx, uScreenId, 0, 0,
4103	FramebufferPixelFormat_FOURCC_RGB,
4104	pDrv->IConnector.cBits,
4105	pDrv->IConnector.cbScanline, pDrv->IConnector.cx,
4106	pDrv->IConnector.cy, pDrv->IConnector.pu8Data, u64Now);
4107	}
4108	if (rc == VINF_TRY_AGAIN)
4109	break;
4110	}
4111	}
4112	} while (0);
4113	}
4114	#endif /* VBOX_WITH_VPX */
4115
4116	#ifdef DEBUG_sunlover
4117	STAM_PROFILE_STOP(&g_StatDisplayRefresh, a);
4118	#endif /* DEBUG_sunlover */
4119	#ifdef DEBUG_sunlover_2
4120	LogFlowFunc(("leave\n"));
4121	#endif /* DEBUG_sunlover_2 */
4122	}
4123
4124	/**
4125	* Reset notification
4126	*
4127	* @see PDMIDISPLAYCONNECTOR::pfnReset
4128	*/
4129	DECLCALLBACK(void) Display::displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface)
4130	{
4131	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4132
4133	LogRelFlowFunc(("\n"));
4134
4135	/* Disable VBVA mode. */
4136	pDrv->pDisplay->VideoAccelEnable (false, NULL);
4137	}
4138
4139	/**
4140	* LFBModeChange notification
4141	*
4142	* @see PDMIDISPLAYCONNECTOR::pfnLFBModeChange
4143	*/
4144	DECLCALLBACK(void) Display::displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled)
4145	{
4146	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4147
4148	LogRelFlowFunc(("fEnabled=%d\n", fEnabled));
4149
4150	NOREF(fEnabled);
4151
4152	/* Disable VBVA mode in any case. The guest driver reenables VBVA mode if necessary. */
4153	/* The LFBModeChange function is called under DevVGA lock. Postpone disabling VBVA, do it in the refresh timer. */
4154	ASMAtomicWriteU32(&pDrv->pDisplay->mfu32PendingVideoAccelDisable, true);
4155	}
4156
4157	/**
4158	* Adapter information change notification.
4159	*
4160	* @see PDMIDISPLAYCONNECTOR::pfnProcessAdapterData
4161	*/
4162	DECLCALLBACK(void) Display::displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM,
4163	uint32_t u32VRAMSize)
4164	{
4165	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4166
4167	if (pvVRAM == NULL)
4168	{
4169	unsigned i;
4170	for (i = 0; i < pDrv->pDisplay->mcMonitors; i++)
4171	{
4172	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[i];
4173
4174	pFBInfo->u32Offset = 0;
4175	pFBInfo->u32MaxFramebufferSize = 0;
4176	pFBInfo->u32InformationSize = 0;
4177	}
4178	}
4179	#ifndef VBOX_WITH_HGSMI
4180	else
4181	{
4182	uint8_t pu8 = (uint8_t )pvVRAM;
4183	pu8 += u32VRAMSize - VBOX_VIDEO_ADAPTER_INFORMATION_SIZE;
4184
4185	// @todo
4186	uint8_t *pu8End = pu8 + VBOX_VIDEO_ADAPTER_INFORMATION_SIZE;
4187
4188	VBOXVIDEOINFOHDR *pHdr;
4189
4190	for (;;)
4191	{
4192	pHdr = (VBOXVIDEOINFOHDR *)pu8;
4193	pu8 += sizeof (VBOXVIDEOINFOHDR);
4194
4195	if (pu8 >= pu8End)
4196	{
4197	LogRel(("VBoxVideo: Guest adapter information overflow!!!\n"));
4198	break;
4199	}
4200
4201	if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_DISPLAY)
4202	{
4203	if (pHdr->u16Length != sizeof (VBOXVIDEOINFODISPLAY))
4204	{
4205	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "DISPLAY", pHdr->u16Length));
4206	break;
4207	}
4208
4209	VBOXVIDEOINFODISPLAY pDisplay = (VBOXVIDEOINFODISPLAY )pu8;
4210
4211	if (pDisplay->u32Index >= pDrv->pDisplay->mcMonitors)
4212	{
4213	LogRel(("VBoxVideo: Guest adapter information invalid display index %d!!!\n", pDisplay->u32Index));
4214	break;
4215	}
4216
4217	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[pDisplay->u32Index];
4218
4219	pFBInfo->u32Offset = pDisplay->u32Offset;
4220	pFBInfo->u32MaxFramebufferSize = pDisplay->u32FramebufferSize;
4221	pFBInfo->u32InformationSize = pDisplay->u32InformationSize;
4222
4223	LogRelFlow(("VBOX_VIDEO_INFO_TYPE_DISPLAY: %d: at 0x%08X, size 0x%08X, info 0x%08X\n", pDisplay->u32Index,
4224	pDisplay->u32Offset, pDisplay->u32FramebufferSize, pDisplay->u32InformationSize));
4225	}
4226	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_QUERY_CONF32)
4227	{
4228	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOQUERYCONF32))
4229	{
4230	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "CONF32", pHdr->u16Length));
4231	break;
4232	}
4233
4234	VBOXVIDEOINFOQUERYCONF32 pConf32 = (VBOXVIDEOINFOQUERYCONF32 )pu8;
4235
4236	switch (pConf32->u32Index)
4237	{
4238	case VBOX_VIDEO_QCI32_MONITOR_COUNT:
4239	{
4240	pConf32->u32Value = pDrv->pDisplay->mcMonitors;
4241	} break;
4242
4243	case VBOX_VIDEO_QCI32_OFFSCREEN_HEAP_SIZE:
4244	{
4245	/* @todo make configurable. */
4246	pConf32->u32Value = _1M;
4247	} break;
4248
4249	default:
4250	LogRel(("VBoxVideo: CONF32 %d not supported!!! Skipping.\n", pConf32->u32Index));
4251	}
4252	}
4253	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
4254	{
4255	if (pHdr->u16Length != 0)
4256	{
4257	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
4258	break;
4259	}
4260
4261	break;
4262	}
4263	else if (pHdr->u8Type != VBOX_VIDEO_INFO_TYPE_NV_HEAP)
4264	{
4265	/** @todo why is Additions/WINNT/Graphics/Miniport/VBoxVideo. cpp pushing this to us? */
4266	LogRel(("Guest adapter information contains unsupported type %d. The block has been skipped.\n", pHdr->u8Type));
4267	}
4268
4269	pu8 += pHdr->u16Length;
4270	}
4271	}
4272	#endif /* !VBOX_WITH_HGSMI */
4273	}
4274
4275	/**
4276	* Display information change notification.
4277	*
4278	* @see PDMIDISPLAYCONNECTOR::pfnProcessDisplayData
4279	*/
4280	DECLCALLBACK(void) Display::displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, unsigned uScreenId)
4281	{
4282	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4283
4284	if (uScreenId >= pDrv->pDisplay->mcMonitors)
4285	{
4286	LogRel(("VBoxVideo: Guest display information invalid display index %d!!!\n", uScreenId));
4287	return;
4288	}
4289
4290	/* Get the display information structure. */
4291	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[uScreenId];
4292
4293	uint8_t pu8 = (uint8_t )pvVRAM;
4294	pu8 += pFBInfo->u32Offset + pFBInfo->u32MaxFramebufferSize;
4295
4296	// @todo
4297	uint8_t *pu8End = pu8 + pFBInfo->u32InformationSize;
4298
4299	VBOXVIDEOINFOHDR *pHdr;
4300
4301	for (;;)
4302	{
4303	pHdr = (VBOXVIDEOINFOHDR *)pu8;
4304	pu8 += sizeof (VBOXVIDEOINFOHDR);
4305
4306	if (pu8 >= pu8End)
4307	{
4308	LogRel(("VBoxVideo: Guest display information overflow!!!\n"));
4309	break;
4310	}
4311
4312	if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_SCREEN)
4313	{
4314	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOSCREEN))
4315	{
4316	LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "SCREEN", pHdr->u16Length));
4317	break;
4318	}
4319
4320	VBOXVIDEOINFOSCREEN pScreen = (VBOXVIDEOINFOSCREEN )pu8;
4321
4322	pFBInfo->xOrigin = pScreen->xOrigin;
4323	pFBInfo->yOrigin = pScreen->yOrigin;
4324
4325	pFBInfo->w = pScreen->u16Width;
4326	pFBInfo->h = pScreen->u16Height;
4327
4328	LogRelFlow(("VBOX_VIDEO_INFO_TYPE_SCREEN: (%p) %d: at %d,%d, linesize 0x%X, size %dx%d, bpp %d, flags 0x%02X\n",
4329	pHdr, uScreenId, pScreen->xOrigin, pScreen->yOrigin, pScreen->u32LineSize, pScreen->u16Width,
4330	pScreen->u16Height, pScreen->bitsPerPixel, pScreen->u8Flags));
4331
4332	if (uScreenId != VBOX_VIDEO_PRIMARY_SCREEN)
4333	{
4334	/* Primary screen resize is eeeeeeeee by the VGA device. */
4335	if (pFBInfo->fDisabled)
4336	{
4337	pFBInfo->fDisabled = false;
4338	fireGuestMonitorChangedEvent(pDrv->pDisplay->mParent->getEventSource(),
4339	GuestMonitorChangedEventType_Enabled,
4340	uScreenId,
4341	pFBInfo->xOrigin, pFBInfo->yOrigin,
4342	pFBInfo->w, pFBInfo->h);
4343	}
4344
4345	pDrv->pDisplay->handleDisplayResize(uScreenId, pScreen->bitsPerPixel,
4346	(uint8_t *)pvVRAM + pFBInfo->u32Offset,
4347	pScreen->u32LineSize,
4348	pScreen->u16Width, pScreen->u16Height,
4349	VBVA_SCREEN_F_ACTIVE);
4350	}
4351	}
4352	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
4353	{
4354	if (pHdr->u16Length != 0)
4355	{
4356	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
4357	break;
4358	}
4359
4360	break;
4361	}
4362	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_HOST_EVENTS)
4363	{
4364	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOHOSTEVENTS))
4365	{
4366	LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "HOST_EVENTS", pHdr->u16Length));
4367	break;
4368	}
4369
4370	VBOXVIDEOINFOHOSTEVENTS pHostEvents = (VBOXVIDEOINFOHOSTEVENTS )pu8;
4371
4372	pFBInfo->pHostEvents = pHostEvents;
4373
4374	LogFlow(("VBOX_VIDEO_INFO_TYPE_HOSTEVENTS: (%p)\n",
4375	pHostEvents));
4376	}
4377	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_LINK)
4378	{
4379	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOLINK))
4380	{
4381	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "LINK", pHdr->u16Length));
4382	break;
4383	}
4384
4385	VBOXVIDEOINFOLINK pLink = (VBOXVIDEOINFOLINK )pu8;
4386	pu8 += pLink->i32Offset;
4387	}
4388	else
4389	{
4390	LogRel(("Guest display information contains unsupported type %d\n", pHdr->u8Type));
4391	}
4392
4393	pu8 += pHdr->u16Length;
4394	}
4395	}
4396
4397	#ifdef VBOX_WITH_VIDEOHWACCEL
4398
4399	#ifndef S_FALSE
4400	# define S_FALSE ((HRESULT)1L)
4401	#endif
4402
4403	int Display::handleVHWACommandProcess(PVBOXVHWACMD pCommand)
4404	{
4405	unsigned id = (unsigned)pCommand->iDisplay;
4406	int rc = VINF_SUCCESS;
4407	if (id >= mcMonitors)
4408	return VERR_INVALID_PARAMETER;
4409
4410	ComPtr<IFramebuffer> pFramebuffer;
4411	AutoReadLock arlock(this COMMA_LOCKVAL_SRC_POS);
4412	pFramebuffer = maFramebuffers[id].pFramebuffer;
4413	arlock.release();
4414
4415	if (pFramebuffer == NULL)
4416	return VERR_NOT_IMPLEMENTED; /* Implementation is not available. */
4417
4418	HRESULT hr = pFramebuffer->ProcessVHWACommand((BYTE*)pCommand);
4419	if (hr == S_FALSE)
4420	return VINF_SUCCESS;
4421	else if (SUCCEEDED(hr))
4422	return VINF_CALLBACK_RETURN;
4423	else if (hr == E_ACCESSDENIED)
4424	return VERR_INVALID_STATE; /* notify we can not handle request atm */
4425	else if (hr == E_NOTIMPL)
4426	return VERR_NOT_IMPLEMENTED;
4427	return VERR_GENERAL_FAILURE;
4428	}
4429
4430	DECLCALLBACK(int) Display::displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand)
4431	{
4432	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4433
4434	return pDrv->pDisplay->handleVHWACommandProcess(pCommand);
4435	}
4436	#endif
4437
4438	#ifdef VBOX_WITH_CRHGSMI
4439	void Display::handleCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam)
4440	{
4441	mpDrv->pVBVACallbacks->pfnCrHgsmiCommandCompleteAsync(mpDrv->pVBVACallbacks,
4442	(PVBOXVDMACMD_CHROMIUM_CMD)pParam->u.pointer.addr, result);
4443	}
4444
4445	void Display::handleCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam)
4446	{
4447	PVBOXVDMACMD_CHROMIUM_CTL pCtl = (PVBOXVDMACMD_CHROMIUM_CTL)pParam->u.pointer.addr;
4448	mpDrv->pVBVACallbacks->pfnCrHgsmiControlCompleteAsync(mpDrv->pVBVACallbacks, pCtl, result);
4449	}
4450
4451	void Display::handleCrHgsmiCommandProcess(PVBOXVDMACMD_CHROMIUM_CMD pCmd, uint32_t cbCmd)
4452	{
4453	int rc = VERR_NOT_SUPPORTED;
4454	VBOXHGCMSVCPARM parm;
4455	parm.type = VBOX_HGCM_SVC_PARM_PTR;
4456	parm.u.pointer.addr = pCmd;
4457	parm.u.pointer.size = cbCmd;
4458
4459	if (mhCrOglSvc)
4460	{
4461	VMMDev *pVMMDev = mParent->getVMMDev();
4462	if (pVMMDev)
4463	{
4464	/* no completion callback is specified with this call,
4465	* the CrOgl code will complete the CrHgsmi command once it processes it */
4466	rc = pVMMDev->hgcmHostFastCallAsync(mhCrOglSvc, SHCRGL_HOST_FN_CRHGSMI_CMD, &parm, NULL, NULL);
4467	AssertRC(rc);
4468	if (RT_SUCCESS(rc))
4469	return;
4470	}
4471	else
4472	rc = VERR_INVALID_STATE;
4473	}
4474
4475	/* we are here because something went wrong with command processing, complete it */
4476	handleCrHgsmiCommandCompletion(rc, SHCRGL_HOST_FN_CRHGSMI_CMD, &parm);
4477	}
4478
4479	void Display::handleCrHgsmiControlProcess(PVBOXVDMACMD_CHROMIUM_CTL pCtl, uint32_t cbCtl)
4480	{
4481	int rc = VERR_NOT_SUPPORTED;
4482	VBOXHGCMSVCPARM parm;
4483	parm.type = VBOX_HGCM_SVC_PARM_PTR;
4484	parm.u.pointer.addr = pCtl;
4485	parm.u.pointer.size = cbCtl;
4486
4487	if (mhCrOglSvc)
4488	{
4489	VMMDev *pVMMDev = mParent->getVMMDev();
4490	if (pVMMDev)
4491	{
4492	bool fCheckPendingViewport = (pCtl->enmType == VBOXVDMACMD_CHROMIUM_CTL_TYPE_CRHGSMI_SETUP);
4493	rc = pVMMDev->hgcmHostFastCallAsync(mhCrOglSvc, SHCRGL_HOST_FN_CRHGSMI_CTL, &parm,
4494	Display::displayCrHgsmiControlCompletion, this);
4495	AssertRC(rc);
4496	if (RT_SUCCESS(rc))
4497	{
4498	if (fCheckPendingViewport)
4499	{
4500	ULONG ul;
4501	for (ul = 0; ul < mcMonitors; ul++)
4502	{
4503	DISPLAYFBINFO *pFb = &maFramebuffers[ul];
4504	if (!pFb->pendingViewportInfo.fPending)
4505	continue;
4506
4507	rc = crViewportNotify(ul, pFb->pendingViewportInfo.x, pFb->pendingViewportInfo.y,
4508	pFb->pendingViewportInfo.width, pFb->pendingViewportInfo.height);
4509	if (RT_SUCCESS(rc))
4510	pFb->pendingViewportInfo.fPending = false;
4511	else
4512	{
4513	AssertMsgFailed(("crViewportNotify failed %d\n", rc));
4514	rc = VINF_SUCCESS;
4515	}
4516	}
4517	}
4518	return;
4519	}
4520	}
4521	else
4522	rc = VERR_INVALID_STATE;
4523	}
4524
4525	/* we are here because something went wrong with command processing, complete it */
4526	handleCrHgsmiControlCompletion(rc, SHCRGL_HOST_FN_CRHGSMI_CTL, &parm);
4527	}
4528
4529	DECLCALLBACK(void) Display::displayCrHgsmiCommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CMD pCmd,
4530	uint32_t cbCmd)
4531	{
4532	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4533
4534	pDrv->pDisplay->handleCrHgsmiCommandProcess(pCmd, cbCmd);
4535	}
4536
4537	DECLCALLBACK(void) Display::displayCrHgsmiControlProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CTL pCmd,
4538	uint32_t cbCmd)
4539	{
4540	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4541
4542	pDrv->pDisplay->handleCrHgsmiControlProcess(pCmd, cbCmd);
4543	}
4544
4545	DECLCALLBACK(void) Display::displayCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
4546	void *pvContext)
4547	{
4548	AssertMsgFailed(("not expected!"));
4549	Display pDisplay = (Display )pvContext;
4550	pDisplay->handleCrHgsmiCommandCompletion(result, u32Function, pParam);
4551	}
4552
4553	DECLCALLBACK(void) Display::displayCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
4554	void *pvContext)
4555	{
4556	Display pDisplay = (Display )pvContext;
4557	pDisplay->handleCrHgsmiControlCompletion(result, u32Function, pParam);
4558
4559	}
4560	#endif
4561
4562	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
4563	DECLCALLBACK(void) Display::displayCrHgcmCtlSubmitCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam,
4564	void *pvContext)
4565	{
4566	VBOXCRCMDCTL pCmd = (VBOXCRCMDCTL)pParam->u.pointer.addr;
4567	if (pCmd->u.pfnInternal)
4568	((PFNCRCTLCOMPLETION)pCmd->u.pfnInternal)(pCmd, pParam->u.pointer.size, result, pvContext);
4569	}
4570
4571	int Display::handleCrHgcmCtlSubmit(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd,
4572	PFNCRCTLCOMPLETION pfnCompletion,
4573	void *pvCompletion)
4574	{
4575	VMMDev *pVMMDev = mParent ? mParent->getVMMDev() : NULL;
4576	if (!pVMMDev)
4577	{
4578	AssertMsgFailed(("no vmmdev\n"));
4579	return VERR_INVALID_STATE;
4580	}
4581
4582	Assert(mhCrOglSvc);
4583	VBOXHGCMSVCPARM parm;
4584	parm.type = VBOX_HGCM_SVC_PARM_PTR;
4585	parm.u.pointer.addr = pCmd;
4586	parm.u.pointer.size = cbCmd;
4587
4588	pCmd->u.pfnInternal = (void(*)())pfnCompletion;
4589	int rc = pVMMDev->hgcmHostFastCallAsync(mhCrOglSvc, SHCRGL_HOST_FN_CTL, &parm, displayCrHgcmCtlSubmitCompletion,
4590	pvCompletion);
4591	if (!RT_SUCCESS(rc))
4592	AssertMsgFailed(("hgcmHostFastCallAsync failed rc %d\n", rc));
4593
4594	return rc;
4595	}
4596
4597	DECLCALLBACK(int) Display::displayCrHgcmCtlSubmit(PPDMIDISPLAYCONNECTOR pInterface,
4598	struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd,
4599	PFNCRCTLCOMPLETION pfnCompletion,
4600	void *pvCompletion)
4601	{
4602	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4603	Display *pThis = pDrv->pDisplay;
4604	return pThis->handleCrHgcmCtlSubmit(pCmd, cbCmd, pfnCompletion, pvCompletion);
4605	}
4606
4607	int Display::crCtlSubmit(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd, PFNCRCTLCOMPLETION pfnCompletion, void *pvCompletion)
4608	{
4609	int rc = RTCritSectRwEnterShared(&mCrOglLock);
4610	if (RT_SUCCESS(rc))
4611	{
4612	if (mhCrOglSvc)
4613	rc = mpDrv->pVBVACallbacks->pfnCrCtlSubmit(mpDrv->pVBVACallbacks, pCmd, cbCmd, pfnCompletion, pvCompletion);
4614	else
4615	rc = VERR_NOT_SUPPORTED;
4616
4617	RTCritSectRwLeaveShared(&mCrOglLock);
4618	}
4619	return rc;
4620	}
4621
4622	int Display::crCtlSubmitSync(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd)
4623	{
4624	int rc = RTCritSectRwEnterShared(&mCrOglLock);
4625	if (RT_SUCCESS(rc))
4626	{
4627	if (mhCrOglSvc)
4628	rc = mpDrv->pVBVACallbacks->pfnCrCtlSubmitSync(mpDrv->pVBVACallbacks, pCmd, cbCmd);
4629	else
4630	rc = VERR_NOT_SUPPORTED;
4631
4632	RTCritSectRwLeaveShared(&mCrOglLock);
4633	}
4634	return rc;
4635	}
4636
4637	int Display::crCtlSubmitAsyncCmdCopy(struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd)
4638	{
4639	VBOXCRCMDCTL* pCmdCopy = (VBOXCRCMDCTL*)RTMemAlloc(cbCmd);
4640	if (!pCmdCopy)
4641	{
4642	LogRel(("RTMemAlloc failed\n"));
4643	return VERR_NO_MEMORY;
4644	}
4645
4646	memcpy(pCmdCopy, pCmd, cbCmd);
4647
4648	int rc = crCtlSubmit(pCmdCopy, cbCmd, displayCrCmdFree, pCmdCopy);
4649	if (RT_FAILURE(rc))
4650	{
4651	LogRel(("crCtlSubmit failed %d\n", rc));
4652	RTMemFree(pCmdCopy);
4653	return rc;
4654	}
4655
4656	return VINF_SUCCESS;
4657	}
4658
4659	int Display::crCtlSubmitSyncIfHasDataForScreen(uint32_t u32ScreenID, struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd)
4660	{
4661	int rc = RTCritSectRwEnterShared(&mCrOglLock);
4662	AssertRCReturn(rc, rc);
4663
4664	if (mCrOglCallbacks.pfnHasDataForScreen && mCrOglCallbacks.pfnHasDataForScreen(u32ScreenID))
4665	rc = crCtlSubmitSync(pCmd, cbCmd);
4666	else
4667	rc = crCtlSubmitAsyncCmdCopy(pCmd, cbCmd);
4668
4669	RTCritSectRwLeaveShared(&mCrOglLock);
4670
4671	return rc;
4672	}
4673
4674	bool Display::handleCrVRecScreenshotBegin(uint32_t uScreen, uint64_t u64TimeStamp)
4675	{
4676	# if VBOX_WITH_VPX
4677	return VideoRecIsReady(mpVideoRecCtx, uScreen, u64TimeStamp);
4678	# else
4679	return false;
4680	# endif
4681	}
4682
4683	void Display::handleCrVRecScreenshotEnd(uint32_t uScreen, uint64_t u64TimeStamp)
4684	{
4685	}
4686
4687	void Display::handleCrVRecScreenshotPerform(uint32_t uScreen,
4688	uint32_t x, uint32_t y, uint32_t uPixelFormat,
4689	uint32_t uBitsPerPixel, uint32_t uBytesPerLine,
4690	uint32_t uGuestWidth, uint32_t uGuestHeight,
4691	uint8_t *pu8BufferAddress, uint64_t u64TimeStamp)
4692	{
4693	Assert(mfCrOglVideoRecState == CRVREC_STATE_SUBMITTED);
4694	# if VBOX_WITH_VPX
4695	int rc = VideoRecCopyToIntBuf(mpVideoRecCtx, uScreen, x, y,
4696	uPixelFormat,
4697	uBitsPerPixel, uBytesPerLine,
4698	uGuestWidth, uGuestHeight,
4699	pu8BufferAddress, u64TimeStamp);
4700	Assert(rc == VINF_SUCCESS /* \|\| rc == VERR_TRY_AGAIN \|\| rc == VINF_TRY_AGAIN*/);
4701	# endif
4702	}
4703
4704	void Display::handleVRecCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam, void *pvContext)
4705	{
4706	Assert(mfCrOglVideoRecState == CRVREC_STATE_SUBMITTED);
4707	ASMAtomicWriteU32(&mfCrOglVideoRecState, CRVREC_STATE_IDLE);
4708	}
4709
4710	DECLCALLBACK(void) Display::displayCrVRecScreenshotPerform(void *pvCtx, uint32_t uScreen,
4711	uint32_t x, uint32_t y,
4712	uint32_t uBitsPerPixel, uint32_t uBytesPerLine,
4713	uint32_t uGuestWidth, uint32_t uGuestHeight,
4714	uint8_t *pu8BufferAddress, uint64_t u64TimeStamp)
4715	{
4716	Display pDisplay = (Display )pvCtx;
4717	pDisplay->handleCrVRecScreenshotPerform(uScreen,
4718	x, y, FramebufferPixelFormat_FOURCC_RGB, uBitsPerPixel,
4719	uBytesPerLine, uGuestWidth, uGuestHeight,
4720	pu8BufferAddress, u64TimeStamp);
4721	}
4722
4723	DECLCALLBACK(bool) Display::displayCrVRecScreenshotBegin(void *pvCtx, uint32_t uScreen, uint64_t u64TimeStamp)
4724	{
4725	Display pDisplay = (Display )pvCtx;
4726	return pDisplay->handleCrVRecScreenshotBegin(uScreen, u64TimeStamp);
4727	}
4728
4729	DECLCALLBACK(void) Display::displayCrVRecScreenshotEnd(void *pvCtx, uint32_t uScreen, uint64_t u64TimeStamp)
4730	{
4731	Display pDisplay = (Display )pvCtx;
4732	pDisplay->handleCrVRecScreenshotEnd(uScreen, u64TimeStamp);
4733	}
4734
4735	DECLCALLBACK(void) Display::displayVRecCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam, void *pvContext)
4736	{
4737	Display pDisplay = (Display )pvContext;
4738	pDisplay->handleVRecCompletion(result, u32Function, pParam, pvContext);
4739	}
4740
4741	#endif
4742
4743
4744	#ifdef VBOX_WITH_HGSMI
4745	DECLCALLBACK(int) Display::displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, PVBVAHOSTFLAGS pHostFlags, bool fRenderThreadMode)
4746	{
4747	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
4748
4749	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4750	Display *pThis = pDrv->pDisplay;
4751
4752	if (pThis->maFramebuffers[uScreenId].fVBVAEnabled && pThis->maFramebuffers[uScreenId].fRenderThreadMode != fRenderThreadMode)
4753	{
4754	LogRel(("enabling different vbva mode"));
4755	#ifdef DEBUG_misha
4756	AssertMsgFailed(("enabling different vbva mode"));
4757	#endif
4758	return VERR_INVALID_STATE;
4759	}
4760
4761	pThis->maFramebuffers[uScreenId].fVBVAEnabled = true;
4762	pThis->maFramebuffers[uScreenId].pVBVAHostFlags = pHostFlags;
4763	pThis->maFramebuffers[uScreenId].fRenderThreadMode = fRenderThreadMode;
4764	pThis->maFramebuffers[uScreenId].fVBVAForceResize = true;
4765
4766	vbvaSetMemoryFlagsHGSMI(uScreenId, pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, &pThis->maFramebuffers[uScreenId]);
4767
4768	return VINF_SUCCESS;
4769	}
4770
4771	DECLCALLBACK(void) Display::displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
4772	{
4773	LogRelFlowFunc(("uScreenId %d\n", uScreenId));
4774
4775	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4776	Display *pThis = pDrv->pDisplay;
4777
4778	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
4779
4780	bool fRenderThreadMode = pFBInfo->fRenderThreadMode;
4781
4782	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
4783	{
4784	/* Make sure that the primary screen is visible now.
4785	* The guest can't use VBVA anymore, so only only the VGA device output works.
4786	*/
4787	if (pFBInfo->fDisabled)
4788	{
4789	pFBInfo->fDisabled = false;
4790	fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
4791	GuestMonitorChangedEventType_Enabled,
4792	uScreenId,
4793	pFBInfo->xOrigin, pFBInfo->yOrigin,
4794	pFBInfo->w, pFBInfo->h);
4795	}
4796	}
4797
4798	pFBInfo->fVBVAEnabled = false;
4799	pFBInfo->fVBVAForceResize = false;
4800	pFBInfo->fRenderThreadMode = false;
4801
4802	vbvaSetMemoryFlagsHGSMI(uScreenId, 0, false, pFBInfo);
4803
4804	pFBInfo->pVBVAHostFlags = NULL;
4805
4806	if (!fRenderThreadMode && uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
4807	{
4808	/* Force full screen update, because VGA device must take control, do resize, etc. */
4809	pThis->mpDrv->pUpPort->pfnUpdateDisplayAll(pThis->mpDrv->pUpPort);
4810	}
4811	}
4812
4813	DECLCALLBACK(void) Display::displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
4814	{
4815	LogFlowFunc(("uScreenId %d\n", uScreenId));
4816
4817	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4818	Display *pThis = pDrv->pDisplay;
4819	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
4820
4821	if (ASMAtomicReadU32(&pThis->mu32UpdateVBVAFlags) > 0)
4822	{
4823	vbvaSetMemoryFlagsAllHGSMI(pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, pThis->maFramebuffers,
4824	pThis->mcMonitors);
4825	ASMAtomicDecU32(&pThis->mu32UpdateVBVAFlags);
4826	}
4827
4828	if (RT_LIKELY(pFBInfo->u32ResizeStatus == ResizeStatus_Void))
4829	{
4830	if (RT_UNLIKELY(pFBInfo->cVBVASkipUpdate != 0))
4831	{
4832	/* Some updates were skipped. Note: displayVBVAUpdate* callbacks are called
4833	* under display device lock, so thread safe.
4834	*/
4835	pFBInfo->cVBVASkipUpdate = 0;
4836	pThis->handleDisplayUpdate(uScreenId, pFBInfo->vbvaSkippedRect.xLeft - pFBInfo->xOrigin,
4837	pFBInfo->vbvaSkippedRect.yTop - pFBInfo->yOrigin,
4838	pFBInfo->vbvaSkippedRect.xRight - pFBInfo->vbvaSkippedRect.xLeft,
4839	pFBInfo->vbvaSkippedRect.yBottom - pFBInfo->vbvaSkippedRect.yTop);
4840	}
4841	}
4842	else
4843	{
4844	/* The framebuffer is being resized. */
4845	pFBInfo->cVBVASkipUpdate++;
4846	}
4847	}
4848
4849	DECLCALLBACK(void) Display::displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId,
4850	const PVBVACMDHDR pCmd, size_t cbCmd)
4851	{
4852	LogFlowFunc(("uScreenId %d pCmd %p cbCmd %d, @%d,%d %dx%d\n", uScreenId, pCmd, cbCmd, pCmd->x, pCmd->y, pCmd->w, pCmd->h));
4853
4854	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4855	Display *pThis = pDrv->pDisplay;
4856	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
4857
4858	if (RT_LIKELY(pFBInfo->cVBVASkipUpdate == 0))
4859	{
4860	if (pFBInfo->fDefaultFormat)
4861	{
4862	/* Make sure that framebuffer contains the same image as the guest VRAM. */
4863	if ( uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
4864	&& !pFBInfo->fDisabled)
4865	{
4866	pDrv->pUpPort->pfnUpdateDisplayRect (pDrv->pUpPort, pCmd->x, pCmd->y, pCmd->w, pCmd->h);
4867	}
4868	else if ( !pFBInfo->pSourceBitmap.isNull()
4869	&& !pFBInfo->fDisabled)
4870	{
4871	/* Render VRAM content to the framebuffer. */
4872	BYTE *pAddress = NULL;
4873	ULONG ulWidth = 0;
4874	ULONG ulHeight = 0;
4875	ULONG ulBitsPerPixel = 0;
4876	ULONG ulBytesPerLine = 0;
4877	ULONG ulPixelFormat = 0;
4878
4879	HRESULT hrc = pFBInfo->pSourceBitmap->QueryBitmapInfo(&pAddress,
4880	&ulWidth,
4881	&ulHeight,
4882	&ulBitsPerPixel,
4883	&ulBytesPerLine,
4884	&ulPixelFormat);
4885	if (SUCCEEDED(hrc))
4886	{
4887	uint32_t width = pCmd->w;
4888	uint32_t height = pCmd->h;
4889
4890	const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
4891	int32_t xSrc = pCmd->x - pFBInfo->xOrigin;
4892	int32_t ySrc = pCmd->y - pFBInfo->yOrigin;
4893	uint32_t u32SrcWidth = pFBInfo->w;
4894	uint32_t u32SrcHeight = pFBInfo->h;
4895	uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
4896	uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
4897
4898	uint8_t *pu8Dst = pAddress;
4899	int32_t xDst = xSrc;
4900	int32_t yDst = ySrc;
4901	uint32_t u32DstWidth = u32SrcWidth;
4902	uint32_t u32DstHeight = u32SrcHeight;
4903	uint32_t u32DstLineSize = u32DstWidth * 4;
4904	uint32_t u32DstBitsPerPixel = 32;
4905
4906	pDrv->pUpPort->pfnCopyRect(pDrv->pUpPort,
4907	width, height,
4908	pu8Src,
4909	xSrc, ySrc,
4910	u32SrcWidth, u32SrcHeight,
4911	u32SrcLineSize, u32SrcBitsPerPixel,
4912	pu8Dst,
4913	xDst, yDst,
4914	u32DstWidth, u32DstHeight,
4915	u32DstLineSize, u32DstBitsPerPixel);
4916	}
4917	}
4918	}
4919
4920	VBVACMDHDR hdrSaved = *pCmd;
4921
4922	VBVACMDHDR pHdrUnconst = (VBVACMDHDR )pCmd;
4923
4924	pHdrUnconst->x -= (int16_t)pFBInfo->xOrigin;
4925	pHdrUnconst->y -= (int16_t)pFBInfo->yOrigin;
4926
4927	/* @todo new SendUpdate entry which can get a separate cmd header or coords. */
4928	pThis->mParent->consoleVRDPServer()->SendUpdate (uScreenId, pCmd, (uint32_t)cbCmd);
4929
4930	*pHdrUnconst = hdrSaved;
4931	}
4932	}
4933
4934	DECLCALLBACK(void) Display::displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y,
4935	uint32_t cx, uint32_t cy)
4936	{
4937	LogFlowFunc(("uScreenId %d %d,%d %dx%d\n", uScreenId, x, y, cx, cy));
4938
4939	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4940	Display *pThis = pDrv->pDisplay;
4941	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
4942
4943	/* @todo handleFramebufferUpdate (uScreenId,
4944	* x - pThis->maFramebuffers[uScreenId].xOrigin,
4945	* y - pThis->maFramebuffers[uScreenId].yOrigin,
4946	* cx, cy);
4947	*/
4948	if (RT_LIKELY(pFBInfo->cVBVASkipUpdate == 0))
4949	{
4950	pThis->handleDisplayUpdate(uScreenId, x - pFBInfo->xOrigin, y - pFBInfo->yOrigin, cx, cy);
4951	}
4952	else
4953	{
4954	/* Save the updated rectangle. */
4955	int32_t xRight = x + cx;
4956	int32_t yBottom = y + cy;
4957
4958	if (pFBInfo->cVBVASkipUpdate == 1)
4959	{
4960	pFBInfo->vbvaSkippedRect.xLeft = x;
4961	pFBInfo->vbvaSkippedRect.yTop = y;
4962	pFBInfo->vbvaSkippedRect.xRight = xRight;
4963	pFBInfo->vbvaSkippedRect.yBottom = yBottom;
4964	}
4965	else
4966	{
4967	if (pFBInfo->vbvaSkippedRect.xLeft > x)
4968	{
4969	pFBInfo->vbvaSkippedRect.xLeft = x;
4970	}
4971	if (pFBInfo->vbvaSkippedRect.yTop > y)
4972	{
4973	pFBInfo->vbvaSkippedRect.yTop = y;
4974	}
4975	if (pFBInfo->vbvaSkippedRect.xRight < xRight)
4976	{
4977	pFBInfo->vbvaSkippedRect.xRight = xRight;
4978	}
4979	if (pFBInfo->vbvaSkippedRect.yBottom < yBottom)
4980	{
4981	pFBInfo->vbvaSkippedRect.yBottom = yBottom;
4982	}
4983	}
4984	}
4985	}
4986
4987	#ifdef DEBUG_sunlover
4988	static void logVBVAResize(const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, const DISPLAYFBINFO *pFBInfo)
4989	{
4990	LogRel(("displayVBVAResize: [%d] %s\n"
4991	" pView->u32ViewIndex %d\n"
4992	" pView->u32ViewOffset 0x%08X\n"
4993	" pView->u32ViewSize 0x%08X\n"
4994	" pView->u32MaxScreenSize 0x%08X\n"
4995	" pScreen->i32OriginX %d\n"
4996	" pScreen->i32OriginY %d\n"
4997	" pScreen->u32StartOffset 0x%08X\n"
4998	" pScreen->u32LineSize 0x%08X\n"
4999	" pScreen->u32Width %d\n"
5000	" pScreen->u32Height %d\n"
5001	" pScreen->u16BitsPerPixel %d\n"
5002	" pScreen->u16Flags 0x%04X\n"
5003	" pFBInfo->u32Offset 0x%08X\n"
5004	" pFBInfo->u32MaxFramebufferSize 0x%08X\n"
5005	" pFBInfo->u32InformationSize 0x%08X\n"
5006	" pFBInfo->fDisabled %d\n"
5007	" xOrigin, yOrigin, w, h: %d,%d %dx%d\n"
5008	" pFBInfo->u16BitsPerPixel %d\n"
5009	" pFBInfo->pu8FramebufferVRAM %p\n"
5010	" pFBInfo->u32LineSize 0x%08X\n"
5011	" pFBInfo->flags 0x%04X\n"
5012	" pFBInfo->pHostEvents %p\n"
5013	" pFBInfo->u32ResizeStatus %d\n"
5014	" pFBInfo->fDefaultFormat %d\n"
5015	" dirtyRect %d-%d %d-%d\n"
5016	" pFBInfo->pendingResize.fPending %d\n"
5017	" pFBInfo->pendingResize.pixelFormat %d\n"
5018	" pFBInfo->pendingResize.pvVRAM %p\n"
5019	" pFBInfo->pendingResize.bpp %d\n"
5020	" pFBInfo->pendingResize.cbLine 0x%08X\n"
5021	" pFBInfo->pendingResize.w,h %dx%d\n"
5022	" pFBInfo->pendingResize.flags 0x%04X\n"
5023	" pFBInfo->fVBVAEnabled %d\n"
5024	" pFBInfo->fVBVAForceResize %d\n"
5025	" pFBInfo->cVBVASkipUpdate %d\n"
5026	" pFBInfo->vbvaSkippedRect %d-%d %d-%d\n"
5027	" pFBInfo->pVBVAHostFlags %p\n"
5028	"",
5029	pScreen->u32ViewIndex,
5030	(pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)? "DISABLED": "ENABLED",
5031	pView->u32ViewIndex,
5032	pView->u32ViewOffset,
5033	pView->u32ViewSize,
5034	pView->u32MaxScreenSize,
5035	pScreen->i32OriginX,
5036	pScreen->i32OriginY,
5037	pScreen->u32StartOffset,
5038	pScreen->u32LineSize,
5039	pScreen->u32Width,
5040	pScreen->u32Height,
5041	pScreen->u16BitsPerPixel,
5042	pScreen->u16Flags,
5043	pFBInfo->u32Offset,
5044	pFBInfo->u32MaxFramebufferSize,
5045	pFBInfo->u32InformationSize,
5046	pFBInfo->fDisabled,
5047	pFBInfo->xOrigin,
5048	pFBInfo->yOrigin,
5049	pFBInfo->w,
5050	pFBInfo->h,
5051	pFBInfo->u16BitsPerPixel,
5052	pFBInfo->pu8FramebufferVRAM,
5053	pFBInfo->u32LineSize,
5054	pFBInfo->flags,
5055	pFBInfo->pHostEvents,
5056	pFBInfo->u32ResizeStatus,
5057	pFBInfo->fDefaultFormat,
5058	pFBInfo->dirtyRect.xLeft,
5059	pFBInfo->dirtyRect.xRight,
5060	pFBInfo->dirtyRect.yTop,
5061	pFBInfo->dirtyRect.yBottom,
5062	pFBInfo->pendingResize.fPending,
5063	pFBInfo->pendingResize.pixelFormat,
5064	pFBInfo->pendingResize.pvVRAM,
5065	pFBInfo->pendingResize.bpp,
5066	pFBInfo->pendingResize.cbLine,
5067	pFBInfo->pendingResize.w,
5068	pFBInfo->pendingResize.h,
5069	pFBInfo->pendingResize.flags,
5070	pFBInfo->fVBVAEnabled,
5071	pFBInfo->fVBVAForceResize,
5072	pFBInfo->cVBVASkipUpdate,
5073	pFBInfo->vbvaSkippedRect.xLeft,
5074	pFBInfo->vbvaSkippedRect.yTop,
5075	pFBInfo->vbvaSkippedRect.xRight,
5076	pFBInfo->vbvaSkippedRect.yBottom,
5077	pFBInfo->pVBVAHostFlags
5078	));
5079	}
5080	#endif /* DEBUG_sunlover */
5081
5082	DECLCALLBACK(int) Display::displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, const PVBVAINFOVIEW pView,
5083	const PVBVAINFOSCREEN pScreen, void *pvVRAM)
5084	{
5085	LogRelFlowFunc(("pScreen %p, pvVRAM %p\n", pScreen, pvVRAM));
5086
5087	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
5088	Display *pThis = pDrv->pDisplay;
5089
5090	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[pScreen->u32ViewIndex];
5091
5092	if (pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)
5093	{
5094	pThis->notifyCroglResize(pView, pScreen, pvVRAM);
5095
5096	pFBInfo->fDisabled = true;
5097	pFBInfo->flags = pScreen->u16Flags;
5098
5099	/* Ask the framebuffer to resize using a default format. The framebuffer will be black.
5100	* So if the frontend does not support GuestMonitorChangedEventType_Disabled event,
5101	* the VM window will be black. */
5102	uint32_t u32Width = pFBInfo->w ? pFBInfo->w : 640;
5103	uint32_t u32Height = pFBInfo->h ? pFBInfo->h : 480;
5104	pThis->handleDisplayResize(pScreen->u32ViewIndex, 0, (uint8_t *)NULL, 0,
5105	u32Width, u32Height, pScreen->u16Flags);
5106
5107	fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
5108	GuestMonitorChangedEventType_Disabled,
5109	pScreen->u32ViewIndex,
5110	0, 0, 0, 0);
5111	return VINF_SUCCESS;
5112	}
5113
5114	/* If display was disabled or there is no framebuffer, a resize will be required,
5115	* because the framebuffer was/will be changed.
5116	*/
5117	bool fResize = pFBInfo->fDisabled \|\| pFBInfo->pFramebuffer.isNull();
5118
5119	if (pFBInfo->fVBVAForceResize)
5120	{
5121	/* VBVA was just enabled. Do the resize. */
5122	fResize = true;
5123	pFBInfo->fVBVAForceResize = false;
5124	}
5125
5126	/* Check if this is a real resize or a notification about the screen origin.
5127	* The guest uses this VBVAResize call for both.
5128	*/
5129	fResize = fResize
5130	\|\| pFBInfo->u16BitsPerPixel != pScreen->u16BitsPerPixel
5131	\|\| pFBInfo->pu8FramebufferVRAM != (uint8_t *)pvVRAM + pScreen->u32StartOffset
5132	\|\| pFBInfo->u32LineSize != pScreen->u32LineSize
5133	\|\| pFBInfo->w != pScreen->u32Width
5134	\|\| pFBInfo->h != pScreen->u32Height;
5135
5136	bool fNewOrigin = pFBInfo->xOrigin != pScreen->i32OriginX
5137	\|\| pFBInfo->yOrigin != pScreen->i32OriginY;
5138
5139	if (fNewOrigin \|\| fResize)
5140	pThis->notifyCroglResize(pView, pScreen, pvVRAM);
5141
5142	if (pFBInfo->fDisabled)
5143	{
5144	pFBInfo->fDisabled = false;
5145	fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
5146	GuestMonitorChangedEventType_Enabled,
5147	pScreen->u32ViewIndex,
5148	pScreen->i32OriginX, pScreen->i32OriginY,
5149	pScreen->u32Width, pScreen->u32Height);
5150	/* Continue to update pFBInfo. */
5151	}
5152
5153	pFBInfo->u32Offset = pView->u32ViewOffset; /* Not used in HGSMI. */
5154	pFBInfo->u32MaxFramebufferSize = pView->u32MaxScreenSize; /* Not used in HGSMI. */
5155	pFBInfo->u32InformationSize = 0; /* Not used in HGSMI. */
5156
5157	pFBInfo->xOrigin = pScreen->i32OriginX;
5158	pFBInfo->yOrigin = pScreen->i32OriginY;
5159
5160	pFBInfo->w = pScreen->u32Width;
5161	pFBInfo->h = pScreen->u32Height;
5162
5163	pFBInfo->u16BitsPerPixel = pScreen->u16BitsPerPixel;
5164	pFBInfo->pu8FramebufferVRAM = (uint8_t *)pvVRAM + pScreen->u32StartOffset;
5165	pFBInfo->u32LineSize = pScreen->u32LineSize;
5166
5167	pFBInfo->flags = pScreen->u16Flags;
5168
5169	if (fNewOrigin)
5170	{
5171	fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
5172	GuestMonitorChangedEventType_NewOrigin,
5173	pScreen->u32ViewIndex,
5174	pScreen->i32OriginX, pScreen->i32OriginY,
5175	0, 0);
5176	}
5177
5178	if (!fResize)
5179	{
5180	/* No parameters of the framebuffer have actually changed. */
5181	if (fNewOrigin)
5182	{
5183	/* VRDP server still need this notification. */
5184	LogRelFlowFunc(("Calling VRDP\n"));
5185	pThis->mParent->consoleVRDPServer()->SendResize();
5186	}
5187	return VINF_SUCCESS;
5188	}
5189
5190	/* Do a regular resize. */
5191	return pThis->handleDisplayResize(pScreen->u32ViewIndex, pScreen->u16BitsPerPixel,
5192	(uint8_t *)pvVRAM + pScreen->u32StartOffset,
5193	pScreen->u32LineSize, pScreen->u32Width, pScreen->u32Height, pScreen->u16Flags);
5194	}
5195
5196	DECLCALLBACK(int) Display::displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
5197	uint32_t xHot, uint32_t yHot,
5198	uint32_t cx, uint32_t cy,
5199	const void *pvShape)
5200	{
5201	LogFlowFunc(("\n"));
5202
5203	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
5204	Display *pThis = pDrv->pDisplay;
5205
5206	size_t cbShapeSize = 0;
5207
5208	if (pvShape)
5209	{
5210	cbShapeSize = (cx + 7) / 8 * cy; /* size of the AND mask */
5211	cbShapeSize = ((cbShapeSize + 3) & ~3) + cx * 4 * cy; /* + gap + size of the XOR mask */
5212	}
5213	com::SafeArray<BYTE> shapeData(cbShapeSize);
5214
5215	if (pvShape)
5216	::memcpy(shapeData.raw(), pvShape, cbShapeSize);
5217
5218	/* Tell the console about it */
5219	pDrv->pDisplay->mParent->onMousePointerShapeChange(fVisible, fAlpha,
5220	xHot, yHot, cx, cy, ComSafeArrayAsInParam(shapeData));
5221
5222	return VINF_SUCCESS;
5223	}
5224	#endif /* VBOX_WITH_HGSMI */
5225
5226	/**
5227	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
5228	*/
5229	DECLCALLBACK(void ) Display::drvQueryInterface(PPDMIBASE pInterface, const char pszIID)
5230	{
5231	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
5232	PDRVMAINDISPLAY pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
5233	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
5234	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIDISPLAYCONNECTOR, &pDrv->IConnector);
5235	return NULL;
5236	}
5237
5238
5239	/**
5240	* Destruct a display driver instance.
5241	*
5242	* @returns VBox status.
5243	* @param pDrvIns The driver instance data.
5244	*/
5245	DECLCALLBACK(void) Display::drvDestruct(PPDMDRVINS pDrvIns)
5246	{
5247	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
5248	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
5249	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
5250
5251	pThis->pUpPort->pfnSetRenderVRAM(pThis->pUpPort, false);
5252
5253	pThis->IConnector.pu8Data = NULL;
5254	pThis->IConnector.cbScanline = 0;
5255	pThis->IConnector.cBits = 32;
5256	pThis->IConnector.cx = 0;
5257	pThis->IConnector.cy = 0;
5258
5259	if (pThis->pDisplay)
5260	{
5261	AutoWriteLock displayLock(pThis->pDisplay COMMA_LOCKVAL_SRC_POS);
5262	#ifdef VBOX_WITH_VPX
5263	pThis->pDisplay->VideoCaptureStop();
5264	#endif
5265	#ifdef VBOX_WITH_CRHGSMI
5266	pThis->pDisplay->destructCrHgsmiData();
5267	#endif
5268	pThis->pDisplay->mpDrv = NULL;
5269	pThis->pDisplay->mpVMMDev = NULL;
5270	pThis->pDisplay->mLastAddress = NULL;
5271	pThis->pDisplay->mLastBytesPerLine = 0;
5272	pThis->pDisplay->mLastBitsPerPixel = 0,
5273	pThis->pDisplay->mLastWidth = 0;
5274	pThis->pDisplay->mLastHeight = 0;
5275	}
5276	}
5277
5278
5279	/**
5280	* Construct a display driver instance.
5281	*
5282	* @copydoc FNPDMDRVCONSTRUCT
5283	*/
5284	DECLCALLBACK(int) Display::drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
5285	{
5286	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
5287	PDRVMAINDISPLAY pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
5288	LogRelFlowFunc(("iInstance=%d\n", pDrvIns->iInstance));
5289
5290	/*
5291	* Validate configuration.
5292	*/
5293	if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
5294	return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
5295	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
5296	("Configuration error: Not possible to attach anything to this driver!\n"),
5297	VERR_PDM_DRVINS_NO_ATTACH);
5298
5299	/*
5300	* Init Interfaces.
5301	*/
5302	pDrvIns->IBase.pfnQueryInterface = Display::drvQueryInterface;
5303
5304	pThis->IConnector.pfnResize = Display::displayResizeCallback;
5305	pThis->IConnector.pfnUpdateRect = Display::displayUpdateCallback;
5306	pThis->IConnector.pfnRefresh = Display::displayRefreshCallback;
5307	pThis->IConnector.pfnReset = Display::displayResetCallback;
5308	pThis->IConnector.pfnLFBModeChange = Display::displayLFBModeChangeCallback;
5309	pThis->IConnector.pfnProcessAdapterData = Display::displayProcessAdapterDataCallback;
5310	pThis->IConnector.pfnProcessDisplayData = Display::displayProcessDisplayDataCallback;
5311	#ifdef VBOX_WITH_VIDEOHWACCEL
5312	pThis->IConnector.pfnVHWACommandProcess = Display::displayVHWACommandProcess;
5313	#endif
5314	#ifdef VBOX_WITH_CRHGSMI
5315	pThis->IConnector.pfnCrHgsmiCommandProcess = Display::displayCrHgsmiCommandProcess;
5316	pThis->IConnector.pfnCrHgsmiControlProcess = Display::displayCrHgsmiControlProcess;
5317	#endif
5318	#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
5319	pThis->IConnector.pfnCrHgcmCtlSubmit = Display::displayCrHgcmCtlSubmit;
5320	#endif
5321	#ifdef VBOX_WITH_HGSMI
5322	pThis->IConnector.pfnVBVAEnable = Display::displayVBVAEnable;
5323	pThis->IConnector.pfnVBVADisable = Display::displayVBVADisable;
5324	pThis->IConnector.pfnVBVAUpdateBegin = Display::displayVBVAUpdateBegin;
5325	pThis->IConnector.pfnVBVAUpdateProcess = Display::displayVBVAUpdateProcess;
5326	pThis->IConnector.pfnVBVAUpdateEnd = Display::displayVBVAUpdateEnd;
5327	pThis->IConnector.pfnVBVAResize = Display::displayVBVAResize;
5328	pThis->IConnector.pfnVBVAMousePointerShape = Display::displayVBVAMousePointerShape;
5329	#endif
5330
5331	/*
5332	* Get the IDisplayPort interface of the above driver/device.
5333	*/
5334	pThis->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYPORT);
5335	if (!pThis->pUpPort)
5336	{
5337	AssertMsgFailed(("Configuration error: No display port interface above!\n"));
5338	return VERR_PDM_MISSING_INTERFACE_ABOVE;
5339	}
5340	#if defined(VBOX_WITH_VIDEOHWACCEL) \|\| defined(VBOX_WITH_CRHGSMI)
5341	pThis->pVBVACallbacks = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYVBVACALLBACKS);
5342	if (!pThis->pVBVACallbacks)
5343	{
5344	AssertMsgFailed(("Configuration error: No VBVA callback interface above!\n"));
5345	return VERR_PDM_MISSING_INTERFACE_ABOVE;
5346	}
5347	#endif
5348	/*
5349	* Get the Display object pointer and update the mpDrv member.
5350	*/
5351	void *pv;
5352	int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
5353	if (RT_FAILURE(rc))
5354	{
5355	AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
5356	return rc;
5357	}
5358	Display pDisplay = (Display )pv; /** @todo Check this cast! */
5359	pThis->pDisplay = pDisplay;
5360	pThis->pDisplay->mpDrv = pThis;
5361
5362	/* Disable VRAM to a buffer copy initially. */
5363	pThis->pUpPort->pfnSetRenderVRAM (pThis->pUpPort, false);
5364	pThis->IConnector.cBits = 32; /* DevVGA does nothing otherwise. */
5365
5366	/*
5367	* Start periodic screen refreshes
5368	*/
5369	pThis->pUpPort->pfnSetRefreshRate(pThis->pUpPort, 20);
5370
5371	#ifdef VBOX_WITH_CRHGSMI
5372	pDisplay->setupCrHgsmiData();
5373	#endif
5374
5375	#ifdef VBOX_WITH_VPX
5376	ComPtr<IMachine> pMachine = pDisplay->mParent->machine();
5377	BOOL fEnabled = false;
5378	HRESULT hrc = pMachine->COMGETTER(VideoCaptureEnabled)(&fEnabled);
5379	AssertComRCReturn(hrc, VERR_COM_UNEXPECTED);
5380	if (fEnabled)
5381	{
5382	rc = pDisplay->VideoCaptureStart();
5383	fireVideoCaptureChangedEvent(pDisplay->mParent->getEventSource());
5384	}
5385	#endif
5386
5387	return rc;
5388	}
5389
5390
5391	/**
5392	* Display driver registration record.
5393	*/
5394	const PDMDRVREG Display::DrvReg =
5395	{
5396	/* u32Version */
5397	PDM_DRVREG_VERSION,
5398	/* szName */
5399	"MainDisplay",
5400	/* szRCMod */
5401	"",
5402	/* szR0Mod */
5403	"",
5404	/* pszDescription */
5405	"Main display driver (Main as in the API).",
5406	/* fFlags */
5407	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
5408	/* fClass. */
5409	PDM_DRVREG_CLASS_DISPLAY,
5410	/* cMaxInstances */
5411	~0U,
5412	/* cbInstance */
5413	sizeof(DRVMAINDISPLAY),
5414	/* pfnConstruct */
5415	Display::drvConstruct,
5416	/* pfnDestruct */
5417	Display::drvDestruct,
5418	/* pfnRelocate */
5419	NULL,
5420	/* pfnIOCtl */
5421	NULL,
5422	/* pfnPowerOn */
5423	NULL,
5424	/* pfnReset */
5425	NULL,
5426	/* pfnSuspend */
5427	NULL,
5428	/* pfnResume */
5429	NULL,
5430	/* pfnAttach */
5431	NULL,
5432	/* pfnDetach */
5433	NULL,
5434	/* pfnPowerOff */
5435	NULL,
5436	/* pfnSoftReset */
5437	NULL,
5438	/* u32EndVersion */
5439	PDM_DRVREG_VERSION
5440	};
5441	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

Note: See TracBrowser for help on using the repository browser.

source: vbox/trunk/src/VBox/Main/src-client/DisplayImpl.cpp@ 51552

Download in other formats: