DisplayImpl.cpp@ 27166

Last change on this file since 27166 was 26443, checked in by vboxsync, 15 years ago
Fixed loading DisplayScreenshot from saved state (a corrected fix).
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 110.1 KB

Line
1	/* $Id: DisplayImpl.cpp 26443 2010-02-11 16:42:07Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2010 Sun Microsystems, Inc.
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	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18	* Clara, CA 95054 USA or visit http://www.sun.com if you need
19	* additional information or have any questions.
20	*/
21
22	#include "DisplayImpl.h"
23	#include "ConsoleImpl.h"
24	#include "ConsoleVRDPServer.h"
25	#include "VMMDev.h"
26
27	#include "AutoCaller.h"
28	#include "Logging.h"
29
30	#include <iprt/semaphore.h>
31	#include <iprt/thread.h>
32	#include <iprt/asm.h>
33
34	#include <VBox/pdmdrv.h>
35	#ifdef DEBUG /* for VM_ASSERT_EMT(). */
36	# include <VBox/vm.h>
37	#endif
38
39	#ifdef VBOX_WITH_VIDEOHWACCEL
40	# include <VBox/VBoxVideo.h>
41	#endif
42
43	#include <VBox/com/array.h>
44	#include <png.h>
45
46	/**
47	* Display driver instance data.
48	*
49	* @implements PDMIDISPLAYCONNECTOR
50	*/
51	typedef struct DRVMAINDISPLAY
52	{
53	/** Pointer to the display object. */
54	Display *pDisplay;
55	/** Pointer to the driver instance structure. */
56	PPDMDRVINS pDrvIns;
57	/** Pointer to the keyboard port interface of the driver/device above us. */
58	PPDMIDISPLAYPORT pUpPort;
59	/** Our display connector interface. */
60	PDMIDISPLAYCONNECTOR IConnector;
61	#if defined(VBOX_WITH_VIDEOHWACCEL)
62	/** VBVA callbacks */
63	PPDMIDISPLAYVBVACALLBACKS pVBVACallbacks;
64	#endif
65	} DRVMAINDISPLAY, *PDRVMAINDISPLAY;
66
67	/** Converts PDMIDISPLAYCONNECTOR pointer to a DRVMAINDISPLAY pointer. */
68	#define PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface) RT_FROM_MEMBER(pInterface, DRVMAINDISPLAY, IConnector)
69
70	#ifdef DEBUG_sunlover
71	static STAMPROFILE StatDisplayRefresh;
72	static int stam = 0;
73	#endif /* DEBUG_sunlover */
74
75	// constructor / destructor
76	/////////////////////////////////////////////////////////////////////////////
77
78	DEFINE_EMPTY_CTOR_DTOR(Display)
79
80	HRESULT Display::FinalConstruct()
81	{
82	mpVbvaMemory = NULL;
83	mfVideoAccelEnabled = false;
84	mfVideoAccelVRDP = false;
85	mfu32SupportedOrders = 0;
86	mcVideoAccelVRDPRefs = 0;
87
88	mpPendingVbvaMemory = NULL;
89	mfPendingVideoAccelEnable = false;
90
91	mfMachineRunning = false;
92
93	mpu8VbvaPartial = NULL;
94	mcbVbvaPartial = 0;
95
96	mpDrv = NULL;
97	mpVMMDev = NULL;
98	mfVMMDevInited = false;
99
100	mLastAddress = NULL;
101	mLastBytesPerLine = 0;
102	mLastBitsPerPixel = 0,
103	mLastWidth = 0;
104	mLastHeight = 0;
105
106	#ifdef VBOX_WITH_OLD_VBVA_LOCK
107	int rc = RTCritSectInit(&mVBVALock);
108	AssertRC(rc);
109	mfu32PendingVideoAccelDisable = false;
110	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
111
112	#ifdef VBOX_WITH_HGSMI
113	mu32UpdateVBVAFlags = 0;
114	#endif
115
116	return S_OK;
117	}
118
119	void Display::FinalRelease()
120	{
121	uninit();
122
123	#ifdef VBOX_WITH_OLD_VBVA_LOCK
124	if (RTCritSectIsInitialized (&mVBVALock))
125	{
126	RTCritSectDelete (&mVBVALock);
127	memset (&mVBVALock, 0, sizeof (mVBVALock));
128	}
129	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
130	}
131
132	// public initializer/uninitializer for internal purposes only
133	/////////////////////////////////////////////////////////////////////////////
134
135	#define sSSMDisplayScreenshotVer 0x00010001
136	#define sSSMDisplayVer 0x00010001
137
138	#define kMaxSizePNG 1024
139	#define kMaxSizeThumbnail 64
140
141	/**
142	* Save thumbnail and screenshot of the guest screen.
143	*/
144	static int displayMakeThumbnail(uint8_t *pu8Data, uint32_t cx, uint32_t cy,
145	uint8_t *ppu8Thumbnail, uint32_t pcbThumbnail, uint32_t pcxThumbnail, uint32_t pcyThumbnail)
146	{
147	int rc = VINF_SUCCESS;
148
149	uint8_t *pu8Thumbnail = NULL;
150	uint32_t cbThumbnail = 0;
151	uint32_t cxThumbnail = 0;
152	uint32_t cyThumbnail = 0;
153
154	if (cx > cy)
155	{
156	cxThumbnail = kMaxSizeThumbnail;
157	cyThumbnail = (kMaxSizeThumbnail * cy) / cx;
158	}
159	else
160	{
161	cyThumbnail = kMaxSizeThumbnail;
162	cxThumbnail = (kMaxSizeThumbnail * cx) / cy;
163	}
164
165	LogFlowFunc(("%dx%d -> %dx%d\n", cx, cy, cxThumbnail, cyThumbnail));
166
167	cbThumbnail = cxThumbnail * 4 * cyThumbnail;
168	pu8Thumbnail = (uint8_t *)RTMemAlloc(cbThumbnail);
169
170	if (pu8Thumbnail)
171	{
172	uint8_t *dst = pu8Thumbnail;
173	uint8_t *src = pu8Data;
174	int dstX = 0;
175	int dstY = 0;
176	int srcX = 0;
177	int srcY = 0;
178	int dstW = cxThumbnail;
179	int dstH = cyThumbnail;
180	int srcW = cx;
181	int srcH = cy;
182	gdImageCopyResampled (dst,
183	src,
184	dstX, dstY,
185	srcX, srcY,
186	dstW, dstH, srcW, srcH);
187
188	*ppu8Thumbnail = pu8Thumbnail;
189	*pcbThumbnail = cbThumbnail;
190	*pcxThumbnail = cxThumbnail;
191	*pcyThumbnail = cyThumbnail;
192	}
193	else
194	{
195	rc = VERR_NO_MEMORY;
196	}
197
198	return rc;
199	}
200
201	typedef struct PNGWriteCtx
202	{
203	uint8_t *pu8PNG;
204	uint32_t cbPNG;
205	uint32_t cbAllocated;
206	int rc;
207	} PNGWriteCtx;
208
209	static void PNGAPI png_write_data_fn(png_structp png_ptr, png_bytep p, png_size_t cb)
210	{
211	PNGWriteCtx pCtx = (PNGWriteCtx )png_get_io_ptr(png_ptr);
212	LogFlowFunc(("png_ptr %p, p %p, cb %d, pCtx %p\n", png_ptr, p, cb, pCtx));
213
214	if (pCtx && RT_SUCCESS(pCtx->rc))
215	{
216	if (pCtx->cbAllocated - pCtx->cbPNG < cb)
217	{
218	uint32_t cbNew = pCtx->cbPNG + (uint32_t)cb;
219	AssertReturnVoidStmt(cbNew > pCtx->cbPNG && cbNew <= _1G, pCtx->rc = VERR_TOO_MUCH_DATA);
220	cbNew = RT_ALIGN_32(cbNew, 4096) + 4096;
221
222	void *pNew = RTMemRealloc(pCtx->pu8PNG, cbNew);
223	if (!pNew)
224	{
225	pCtx->rc = VERR_NO_MEMORY;
226	return;
227	}
228
229	pCtx->pu8PNG = (uint8_t *)pNew;
230	pCtx->cbAllocated = cbNew;
231	}
232
233	memcpy(pCtx->pu8PNG + pCtx->cbPNG, p, cb);
234	pCtx->cbPNG += (uint32_t)cb;
235	}
236	}
237
238	static void PNGAPI png_output_flush_fn(png_structp png_ptr)
239	{
240	NOREF(png_ptr);
241	/* Do nothing. */
242	}
243
244	static int displayMakePNG(uint8_t *pu8Data, uint32_t cx, uint32_t cy,
245	uint8_t *ppu8PNG, uint32_t pcbPNG, uint32_t pcxPNG, uint32_t pcyPNG)
246	{
247	int rc = VINF_SUCCESS;
248
249	uint8_t * volatile pu8Bitmap = NULL; /* gcc setjmp warning */
250	uint32_t volatile cbBitmap = 0; /* gcc setjmp warning */
251	uint32_t volatile cxBitmap = 0; /* gcc setjmp warning */
252	uint32_t volatile cyBitmap = 0; /* gcc setjmp warning */
253
254	if (cx < kMaxSizePNG && cy < kMaxSizePNG)
255	{
256	/* Save unscaled screenshot. */
257	pu8Bitmap = pu8Data;
258	cbBitmap = cx * 4 * cy;
259	cxBitmap = cx;
260	cyBitmap = cy;
261	}
262	else
263	{
264	/* Large screenshot, scale. */
265	if (cx > cy)
266	{
267	cxBitmap = kMaxSizePNG;
268	cyBitmap = (kMaxSizePNG * cy) / cx;
269	}
270	else
271	{
272	cyBitmap = kMaxSizePNG;
273	cxBitmap = (kMaxSizePNG * cx) / cy;
274	}
275
276	cbBitmap = cxBitmap * 4 * cyBitmap;
277
278	pu8Bitmap = (uint8_t *)RTMemAlloc(cbBitmap);
279
280	if (pu8Bitmap)
281	{
282	uint8_t *dst = pu8Bitmap;
283	uint8_t *src = pu8Data;
284	int dstX = 0;
285	int dstY = 0;
286	int srcX = 0;
287	int srcY = 0;
288	int dstW = cxBitmap;
289	int dstH = cyBitmap;
290	int srcW = cx;
291	int srcH = cy;
292	gdImageCopyResampled (dst,
293	src,
294	dstX, dstY,
295	srcX, srcY,
296	dstW, dstH, srcW, srcH);
297	}
298	else
299	{
300	rc = VERR_NO_MEMORY;
301	}
302	}
303
304	LogFlowFunc(("%dx%d -> %dx%d\n", cx, cy, cxBitmap, cyBitmap));
305
306	if (RT_SUCCESS(rc))
307	{
308	png_bytep row_pointers = (png_bytep )RTMemAlloc(cyBitmap * sizeof(png_bytep));
309	if (row_pointers)
310	{
311	png_infop info_ptr = NULL;
312	png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING,
313	(png_voidp)NULL, /* error/warning context pointer */
314	(png_error_ptr)NULL, /* error function */
315	(png_error_ptr)NULL /* warning function */);
316	if (png_ptr)
317	{
318	info_ptr = png_create_info_struct(png_ptr);
319	if (info_ptr)
320	{
321	if (!setjmp(png_jmpbuf(png_ptr)))
322	{
323	PNGWriteCtx ctx;
324	ctx.pu8PNG = NULL;
325	ctx.cbPNG = 0;
326	ctx.cbAllocated = 0;
327	ctx.rc = VINF_SUCCESS;
328
329	png_set_write_fn(png_ptr,
330	(voidp)&ctx,
331	png_write_data_fn,
332	png_output_flush_fn);
333
334	png_set_IHDR(png_ptr, info_ptr,
335	cxBitmap, cyBitmap,
336	8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
337	PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
338
339	png_bytep row_pointer = (png_bytep)pu8Bitmap;
340	unsigned i = 0;
341	for (; i < cyBitmap; i++, row_pointer += cxBitmap * 4)
342	{
343	row_pointers[i] = row_pointer;
344	}
345	png_set_rows(png_ptr, info_ptr, &row_pointers[0]);
346
347	png_write_info(png_ptr, info_ptr);
348	png_set_filler(png_ptr, 0, PNG_FILLER_AFTER);
349	png_set_bgr(png_ptr);
350
351	if (info_ptr->valid & PNG_INFO_IDAT)
352	png_write_image(png_ptr, info_ptr->row_pointers);
353
354	png_write_end(png_ptr, info_ptr);
355
356	rc = ctx.rc;
357
358	if (RT_SUCCESS(rc))
359	{
360	*ppu8PNG = ctx.pu8PNG;
361	*pcbPNG = ctx.cbPNG;
362	*pcxPNG = cxBitmap;
363	*pcyPNG = cyBitmap;
364	LogFlowFunc(("PNG %d bytes, bitmap %d bytes\n", ctx.cbPNG, cbBitmap));
365	}
366	}
367	else
368	{
369	rc = VERR_GENERAL_FAILURE; /* Something within libpng. */
370	}
371	}
372	else
373	{
374	rc = VERR_NO_MEMORY;
375	}
376
377	png_destroy_write_struct(&png_ptr, info_ptr ? &info_ptr
378	: (png_infopp)NULL);
379	}
380	else
381	{
382	rc = VERR_NO_MEMORY;
383	}
384
385	RTMemFree(row_pointers);
386	}
387	else
388	{
389	rc = VERR_NO_MEMORY;
390	}
391	}
392
393	if (pu8Bitmap && pu8Bitmap != pu8Data)
394	{
395	RTMemFree(pu8Bitmap);
396	}
397
398	return rc;
399
400	}
401
402	DECLCALLBACK(void)
403	Display::displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser)
404	{
405	Display that = static_cast<Display>(pvUser);
406
407	/* 32bpp small RGB image. */
408	uint8_t *pu8Thumbnail = NULL;
409	uint32_t cbThumbnail = 0;
410	uint32_t cxThumbnail = 0;
411	uint32_t cyThumbnail = 0;
412
413	/* PNG screenshot. */
414	uint8_t *pu8PNG = NULL;
415	uint32_t cbPNG = 0;
416	uint32_t cxPNG = 0;
417	uint32_t cyPNG = 0;
418
419	Console::SafeVMPtr pVM (that->mParent);
420	if (SUCCEEDED(pVM.rc()))
421	{
422	/* Query RGB bitmap. */
423	uint8_t *pu8Data = NULL;
424	size_t cbData = 0;
425	uint32_t cx = 0;
426	uint32_t cy = 0;
427
428	/* SSM code is executed on EMT(0), therefore no need to use VMR3ReqCallWait. */
429	#ifdef VBOX_WITH_OLD_VBVA_LOCK
430	int rc = Display::displayTakeScreenshotEMT(that, &pu8Data, &cbData, &cx, &cy);
431	#else
432	int rc = that->mpDrv->pUpPort->pfnTakeScreenshot (that->mpDrv->pUpPort, &pu8Data, &cbData, &cx, &cy);
433	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
434
435	if (RT_SUCCESS(rc))
436	{
437	/* Prepare a small thumbnail and a PNG screenshot. */
438	displayMakeThumbnail(pu8Data, cx, cy, &pu8Thumbnail, &cbThumbnail, &cxThumbnail, &cyThumbnail);
439	displayMakePNG(pu8Data, cx, cy, &pu8PNG, &cbPNG, &cxPNG, &cyPNG);
440
441	/* This can be called from any thread. */
442	that->mpDrv->pUpPort->pfnFreeScreenshot (that->mpDrv->pUpPort, pu8Data);
443	}
444	}
445	else
446	{
447	LogFunc(("Failed to get VM pointer 0x%x\n", pVM.rc()));
448	}
449
450	/* Regardless of rc, save what is available:
451	* Data format:
452	* uint32_t cBlocks;
453	* [blocks]
454	*
455	* Each block is:
456	* uint32_t cbBlock; if 0 - no 'block data'.
457	* uint32_t typeOfBlock; 0 - 32bpp RGB bitmap, 1 - PNG, ignored if 'cbBlock' is 0.
458	* [block data]
459	*
460	* Block data for bitmap and PNG:
461	* uint32_t cx;
462	* uint32_t cy;
463	* [image data]
464	*/
465	SSMR3PutU32(pSSM, 2); /* Write thumbnail and PNG screenshot. */
466
467	/* First block. */
468	SSMR3PutU32(pSSM, cbThumbnail + 2 * sizeof (uint32_t));
469	SSMR3PutU32(pSSM, 0); /* Block type: thumbnail. */
470
471	if (cbThumbnail)
472	{
473	SSMR3PutU32(pSSM, cxThumbnail);
474	SSMR3PutU32(pSSM, cyThumbnail);
475	SSMR3PutMem(pSSM, pu8Thumbnail, cbThumbnail);
476	}
477
478	/* Second block. */
479	SSMR3PutU32(pSSM, cbPNG + 2 * sizeof (uint32_t));
480	SSMR3PutU32(pSSM, 1); /* Block type: png. */
481
482	if (cbPNG)
483	{
484	SSMR3PutU32(pSSM, cxPNG);
485	SSMR3PutU32(pSSM, cyPNG);
486	SSMR3PutMem(pSSM, pu8PNG, cbPNG);
487	}
488
489	RTMemFree(pu8PNG);
490	RTMemFree(pu8Thumbnail);
491	}
492
493	DECLCALLBACK(int)
494	Display::displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
495	{
496	Display that = static_cast<Display>(pvUser);
497
498	if (uVersion != sSSMDisplayScreenshotVer)
499	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
500	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
501
502	/* Skip data. */
503	uint32_t cBlocks;
504	int rc = SSMR3GetU32(pSSM, &cBlocks);
505	AssertRCReturn(rc, rc);
506
507	for (uint32_t i = 0; i < cBlocks; i++)
508	{
509	uint32_t cbBlock;
510	rc = SSMR3GetU32(pSSM, &cbBlock);
511	AssertRCBreak(rc);
512
513	uint32_t typeOfBlock;
514	rc = SSMR3GetU32(pSSM, &typeOfBlock);
515	AssertRCBreak(rc);
516
517	LogFlowFunc(("[%d] type %d, size %d bytes\n", i, typeOfBlock, cbBlock));
518
519	/* Note: displaySSMSaveScreenshot writes size of a block = 8 and
520	* do not write any data if the image size was 0.
521	* @todo Fix and increase saved state version.
522	*/
523	if (cbBlock > 2 * sizeof (uint32_t))
524	{
525	rc = SSMR3Skip(pSSM, cbBlock);
526	AssertRCBreak(rc);
527	}
528	}
529
530	return rc;
531	}
532
533	/**
534	* Save/Load some important guest state
535	*/
536	DECLCALLBACK(void)
537	Display::displaySSMSave(PSSMHANDLE pSSM, void *pvUser)
538	{
539	Display that = static_cast<Display>(pvUser);
540
541	SSMR3PutU32(pSSM, that->mcMonitors);
542	for (unsigned i = 0; i < that->mcMonitors; i++)
543	{
544	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32Offset);
545	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32MaxFramebufferSize);
546	SSMR3PutU32(pSSM, that->maFramebuffers[i].u32InformationSize);
547	}
548	}
549
550	DECLCALLBACK(int)
551	Display::displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
552	{
553	Display that = static_cast<Display>(pvUser);
554
555	if (uVersion != sSSMDisplayVer)
556	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
557	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
558
559	uint32_t cMonitors;
560	int rc = SSMR3GetU32(pSSM, &cMonitors);
561	if (cMonitors != that->mcMonitors)
562	return SSMR3SetCfgError(pSSM, RT_SRC_POS, N_("Number of monitors changed (%d->%d)!"), cMonitors, that->mcMonitors);
563
564	for (uint32_t i = 0; i < cMonitors; i++)
565	{
566	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32Offset);
567	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32MaxFramebufferSize);
568	SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32InformationSize);
569	}
570
571	return VINF_SUCCESS;
572	}
573
574	/**
575	* Initializes the display object.
576	*
577	* @returns COM result indicator
578	* @param parent handle of our parent object
579	* @param qemuConsoleData address of common console data structure
580	*/
581	HRESULT Display::init (Console *aParent)
582	{
583	LogFlowThisFunc(("aParent=%p\n", aParent));
584
585	ComAssertRet(aParent, E_INVALIDARG);
586
587	/* Enclose the state transition NotReady->InInit->Ready */
588	AutoInitSpan autoInitSpan(this);
589	AssertReturn(autoInitSpan.isOk(), E_FAIL);
590
591	unconst(mParent) = aParent;
592
593	// by default, we have an internal framebuffer which is
594	// NULL, i.e. a black hole for no display output
595	mFramebufferOpened = false;
596
597	ULONG ul;
598	mParent->machine()->COMGETTER(MonitorCount)(&ul);
599	mcMonitors = ul;
600
601	for (ul = 0; ul < mcMonitors; ul++)
602	{
603	maFramebuffers[ul].u32Offset = 0;
604	maFramebuffers[ul].u32MaxFramebufferSize = 0;
605	maFramebuffers[ul].u32InformationSize = 0;
606
607	maFramebuffers[ul].pFramebuffer = NULL;
608
609	maFramebuffers[ul].xOrigin = 0;
610	maFramebuffers[ul].yOrigin = 0;
611
612	maFramebuffers[ul].w = 0;
613	maFramebuffers[ul].h = 0;
614
615	maFramebuffers[ul].pHostEvents = NULL;
616
617	maFramebuffers[ul].u32ResizeStatus = ResizeStatus_Void;
618
619	maFramebuffers[ul].fDefaultFormat = false;
620
621	memset (&maFramebuffers[ul].dirtyRect, 0 , sizeof (maFramebuffers[ul].dirtyRect));
622	memset (&maFramebuffers[ul].pendingResize, 0 , sizeof (maFramebuffers[ul].pendingResize));
623	#ifdef VBOX_WITH_HGSMI
624	maFramebuffers[ul].fVBVAEnabled = false;
625	maFramebuffers[ul].cVBVASkipUpdate = 0;
626	memset (&maFramebuffers[ul].vbvaSkippedRect, 0, sizeof (maFramebuffers[ul].vbvaSkippedRect));
627	maFramebuffers[ul].pVBVAHostFlags = NULL;
628	#endif /* VBOX_WITH_HGSMI */
629	}
630
631	mParent->RegisterCallback (this);
632
633	/* Confirm a successful initialization */
634	autoInitSpan.setSucceeded();
635
636	return S_OK;
637	}
638
639	/**
640	* Uninitializes the instance and sets the ready flag to FALSE.
641	* Called either from FinalRelease() or by the parent when it gets destroyed.
642	*/
643	void Display::uninit()
644	{
645	LogFlowThisFunc(("\n"));
646
647	/* Enclose the state transition Ready->InUninit->NotReady */
648	AutoUninitSpan autoUninitSpan(this);
649	if (autoUninitSpan.uninitDone())
650	return;
651
652	ULONG ul;
653	for (ul = 0; ul < mcMonitors; ul++)
654	maFramebuffers[ul].pFramebuffer = NULL;
655
656	if (mParent)
657	mParent->UnregisterCallback (this);
658
659	unconst(mParent).setNull();
660
661	if (mpDrv)
662	mpDrv->pDisplay = NULL;
663
664	mpDrv = NULL;
665	mpVMMDev = NULL;
666	mfVMMDevInited = true;
667	}
668
669	/**
670	* Register the SSM methods. Called by the power up thread to be able to
671	* pass pVM
672	*/
673	int Display::registerSSM(PVM pVM)
674	{
675	int rc = SSMR3RegisterExternal(pVM, "DisplayData", 0, sSSMDisplayVer,
676	mcMonitors * sizeof(uint32_t) * 3 + sizeof(uint32_t),
677	NULL, NULL, NULL,
678	NULL, displaySSMSave, NULL,
679	NULL, displaySSMLoad, NULL, this);
680
681	AssertRCReturn(rc, rc);
682
683	/*
684	* Register loaders for old saved states where iInstance was 3 * sizeof(uint32_t *).
685	*/
686	rc = SSMR3RegisterExternal(pVM, "DisplayData", 12 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
687	NULL, NULL, NULL,
688	NULL, NULL, NULL,
689	NULL, displaySSMLoad, NULL, this);
690	AssertRCReturn(rc, rc);
691
692	rc = SSMR3RegisterExternal(pVM, "DisplayData", 24 /uInstance/, sSSMDisplayVer, 0 /cbGuess/,
693	NULL, NULL, NULL,
694	NULL, NULL, NULL,
695	NULL, displaySSMLoad, NULL, this);
696	AssertRCReturn(rc, rc);
697
698	/* uInstance is an arbitrary value greater than 1024. Such a value will ensure a quick seek in saved state file. */
699	rc = SSMR3RegisterExternal(pVM, "DisplayScreenshot", 1100 /uInstance/, sSSMDisplayScreenshotVer, 0 /cbGuess/,
700	NULL, NULL, NULL,
701	NULL, displaySSMSaveScreenshot, NULL,
702	NULL, displaySSMLoadScreenshot, NULL, this);
703
704	AssertRCReturn(rc, rc);
705
706	return VINF_SUCCESS;
707	}
708
709	// IConsoleCallback method
710	STDMETHODIMP Display::OnStateChange(MachineState_T machineState)
711	{
712	if ( machineState == MachineState_Running
713	\|\| machineState == MachineState_Teleporting
714	\|\| machineState == MachineState_LiveSnapshotting
715	)
716	{
717	LogFlowFunc(("Machine is running.\n"));
718
719	mfMachineRunning = true;
720	}
721	else
722	mfMachineRunning = false;
723
724	return S_OK;
725	}
726
727	// public methods only for internal purposes
728	/////////////////////////////////////////////////////////////////////////////
729
730	/**
731	* @thread EMT
732	*/
733	static int callFramebufferResize (IFramebuffer *pFramebuffer, unsigned uScreenId,
734	ULONG pixelFormat, void *pvVRAM,
735	uint32_t bpp, uint32_t cbLine,
736	int w, int h)
737	{
738	Assert (pFramebuffer);
739
740	/* Call the framebuffer to try and set required pixelFormat. */
741	BOOL finished = TRUE;
742
743	pFramebuffer->RequestResize (uScreenId, pixelFormat, (BYTE *) pvVRAM,
744	bpp, cbLine, w, h, &finished);
745
746	if (!finished)
747	{
748	LogFlowFunc (("External framebuffer wants us to wait!\n"));
749	return VINF_VGA_RESIZE_IN_PROGRESS;
750	}
751
752	return VINF_SUCCESS;
753	}
754
755	/**
756	* Handles display resize event.
757	* Disables access to VGA device;
758	* calls the framebuffer RequestResize method;
759	* if framebuffer resizes synchronously,
760	* updates the display connector data and enables access to the VGA device.
761	*
762	* @param w New display width
763	* @param h New display height
764	*
765	* @thread EMT
766	*/
767	int Display::handleDisplayResize (unsigned uScreenId, uint32_t bpp, void *pvVRAM,
768	uint32_t cbLine, int w, int h)
769	{
770	LogRel (("Display::handleDisplayResize(): uScreenId = %d, pvVRAM=%p "
771	"w=%d h=%d bpp=%d cbLine=0x%X\n",
772	uScreenId, pvVRAM, w, h, bpp, cbLine));
773
774	/* If there is no framebuffer, this call is not interesting. */
775	if ( uScreenId >= mcMonitors
776	\|\| maFramebuffers[uScreenId].pFramebuffer.isNull())
777	{
778	return VINF_SUCCESS;
779	}
780
781	mLastAddress = pvVRAM;
782	mLastBytesPerLine = cbLine;
783	mLastBitsPerPixel = bpp,
784	mLastWidth = w;
785	mLastHeight = h;
786
787	ULONG pixelFormat;
788
789	switch (bpp)
790	{
791	case 32:
792	case 24:
793	case 16:
794	pixelFormat = FramebufferPixelFormat_FOURCC_RGB;
795	break;
796	default:
797	pixelFormat = FramebufferPixelFormat_Opaque;
798	bpp = cbLine = 0;
799	break;
800	}
801
802	/* Atomically set the resize status before calling the framebuffer. The new InProgress status will
803	* disable access to the VGA device by the EMT thread.
804	*/
805	bool f = ASMAtomicCmpXchgU32 (&maFramebuffers[uScreenId].u32ResizeStatus,
806	ResizeStatus_InProgress, ResizeStatus_Void);
807	if (!f)
808	{
809	/* This could be a result of the screenshot taking call Display::TakeScreenShot:
810	* if the framebuffer is processing the resize request and GUI calls the TakeScreenShot
811	* and the guest has reprogrammed the virtual VGA devices again so a new resize is required.
812	*
813	* Save the resize information and return the pending status code.
814	*
815	* Note: the resize information is only accessed on EMT so no serialization is required.
816	*/
817	LogRel (("Display::handleDisplayResize(): Warning: resize postponed.\n"));
818
819	maFramebuffers[uScreenId].pendingResize.fPending = true;
820	maFramebuffers[uScreenId].pendingResize.pixelFormat = pixelFormat;
821	maFramebuffers[uScreenId].pendingResize.pvVRAM = pvVRAM;
822	maFramebuffers[uScreenId].pendingResize.bpp = bpp;
823	maFramebuffers[uScreenId].pendingResize.cbLine = cbLine;
824	maFramebuffers[uScreenId].pendingResize.w = w;
825	maFramebuffers[uScreenId].pendingResize.h = h;
826
827	return VINF_VGA_RESIZE_IN_PROGRESS;
828	}
829
830	int rc = callFramebufferResize (maFramebuffers[uScreenId].pFramebuffer, uScreenId,
831	pixelFormat, pvVRAM, bpp, cbLine, w, h);
832	if (rc == VINF_VGA_RESIZE_IN_PROGRESS)
833	{
834	/* Immediately return to the caller. ResizeCompleted will be called back by the
835	* GUI thread. The ResizeCompleted callback will change the resize status from
836	* InProgress to UpdateDisplayData. The latter status will be checked by the
837	* display timer callback on EMT and all required adjustments will be done there.
838	*/
839	return rc;
840	}
841
842	/* Set the status so the 'handleResizeCompleted' would work. */
843	f = ASMAtomicCmpXchgU32 (&maFramebuffers[uScreenId].u32ResizeStatus,
844	ResizeStatus_UpdateDisplayData, ResizeStatus_InProgress);
845	AssertRelease(f);NOREF(f);
846
847	AssertRelease(!maFramebuffers[uScreenId].pendingResize.fPending);
848
849	/* The method also unlocks the framebuffer. */
850	handleResizeCompletedEMT();
851
852	return VINF_SUCCESS;
853	}
854
855	/**
856	* Framebuffer has been resized.
857	* Read the new display data and unlock the framebuffer.
858	*
859	* @thread EMT
860	*/
861	void Display::handleResizeCompletedEMT (void)
862	{
863	LogFlowFunc(("\n"));
864
865	unsigned uScreenId;
866	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
867	{
868	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
869
870	/* Try to into non resizing state. */
871	bool f = ASMAtomicCmpXchgU32 (&pFBInfo->u32ResizeStatus, ResizeStatus_Void, ResizeStatus_UpdateDisplayData);
872
873	if (f == false)
874	{
875	/* This is not the display that has completed resizing. */
876	continue;
877	}
878
879	/* Check whether a resize is pending for this framebuffer. */
880	if (pFBInfo->pendingResize.fPending)
881	{
882	/* Reset the condition, call the display resize with saved data and continue.
883	*
884	* Note: handleDisplayResize can call handleResizeCompletedEMT back,
885	* but infinite recursion is not possible, because when the handleResizeCompletedEMT
886	* is called, the pFBInfo->pendingResize.fPending is equal to false.
887	*/
888	pFBInfo->pendingResize.fPending = false;
889	handleDisplayResize (uScreenId, pFBInfo->pendingResize.bpp, pFBInfo->pendingResize.pvVRAM,
890	pFBInfo->pendingResize.cbLine, pFBInfo->pendingResize.w, pFBInfo->pendingResize.h);
891	continue;
892	}
893
894	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && !pFBInfo->pFramebuffer.isNull())
895	{
896	/* Primary framebuffer has completed the resize. Update the connector data for VGA device. */
897	updateDisplayData();
898
899	/* Check the framebuffer pixel format to setup the rendering in VGA device. */
900	BOOL usesGuestVRAM = FALSE;
901	pFBInfo->pFramebuffer->COMGETTER(UsesGuestVRAM) (&usesGuestVRAM);
902
903	pFBInfo->fDefaultFormat = (usesGuestVRAM == FALSE);
904
905	mpDrv->pUpPort->pfnSetRenderVRAM (mpDrv->pUpPort, pFBInfo->fDefaultFormat);
906	}
907
908	#ifdef DEBUG_sunlover
909	if (!stam)
910	{
911	/* protect mpVM */
912	Console::SafeVMPtr pVM (mParent);
913	AssertComRC (pVM.rc());
914
915	STAM_REG(pVM, &StatDisplayRefresh, STAMTYPE_PROFILE, "/PROF/Display/Refresh", STAMUNIT_TICKS_PER_CALL, "Time spent in EMT for display updates.");
916	stam = 1;
917	}
918	#endif /* DEBUG_sunlover */
919
920	/* Inform VRDP server about the change of display parameters. */
921	LogFlowFunc (("Calling VRDP\n"));
922	mParent->consoleVRDPServer()->SendResize();
923	}
924	}
925
926	static void checkCoordBounds (int px, int py, int pw, int ph, int cx, int cy)
927	{
928	/* Correct negative x and y coordinates. */
929	if (*px < 0)
930	{
931	px += pw; /* Compute xRight which is also the new width. */
932
933	pw = (px < 0)? 0: *px;
934
935	*px = 0;
936	}
937
938	if (*py < 0)
939	{
940	py += ph; /* Compute xBottom, which is also the new height. */
941
942	ph = (py < 0)? 0: *py;
943
944	*py = 0;
945	}
946
947	/* Also check if coords are greater than the display resolution. */
948	if (px + pw > cx)
949	{
950	pw = cx > px? cx - *px: 0;
951	}
952
953	if (py + ph > cy)
954	{
955	ph = cy > py? cy - *py: 0;
956	}
957	}
958
959	unsigned mapCoordsToScreen(DISPLAYFBINFO pInfos, unsigned cInfos, int px, int py, int pw, int *ph)
960	{
961	DISPLAYFBINFO *pInfo = pInfos;
962	unsigned uScreenId;
963	LogSunlover (("mapCoordsToScreen: %d,%d %dx%d\n", px, py, pw, ph));
964	for (uScreenId = 0; uScreenId < cInfos; uScreenId++, pInfo++)
965	{
966	LogSunlover ((" [%d] %d,%d %dx%d\n", uScreenId, pInfo->xOrigin, pInfo->yOrigin, pInfo->w, pInfo->h));
967	if ( (pInfo->xOrigin <= px && px < pInfo->xOrigin + (int)pInfo->w)
968	&& (pInfo->yOrigin <= py && py < pInfo->yOrigin + (int)pInfo->h))
969	{
970	/* The rectangle belongs to the screen. Correct coordinates. */
971	*px -= pInfo->xOrigin;
972	*py -= pInfo->yOrigin;
973	LogSunlover ((" -> %d,%d", px, py));
974	break;
975	}
976	}
977	if (uScreenId == cInfos)
978	{
979	/* Map to primary screen. */
980	uScreenId = 0;
981	}
982	LogSunlover ((" scr %d\n", uScreenId));
983	return uScreenId;
984	}
985
986
987	/**
988	* Handles display update event.
989	*
990	* @param x Update area x coordinate
991	* @param y Update area y coordinate
992	* @param w Update area width
993	* @param h Update area height
994	*
995	* @thread EMT
996	*/
997	void Display::handleDisplayUpdate (int x, int y, int w, int h)
998	{
999	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1000	/*
1001	* Always runs under either VBVA lock or, for HGSMI, DevVGA lock.
1002	* Safe to use VBVA vars and take the framebuffer lock.
1003	*/
1004	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1005
1006	#ifdef DEBUG_sunlover
1007	LogFlowFunc (("%d,%d %dx%d (%d,%d)\n",
1008	x, y, w, h, mpDrv->IConnector.cx, mpDrv->IConnector.cy));
1009	#endif /* DEBUG_sunlover */
1010
1011	unsigned uScreenId = mapCoordsToScreen(maFramebuffers, mcMonitors, &x, &y, &w, &h);
1012
1013	#ifdef DEBUG_sunlover
1014	LogFlowFunc (("%d,%d %dx%d (checked)\n", x, y, w, h));
1015	#endif /* DEBUG_sunlover */
1016
1017	IFramebuffer *pFramebuffer = maFramebuffers[uScreenId].pFramebuffer;
1018
1019	// if there is no framebuffer, this call is not interesting
1020	if (pFramebuffer == NULL)
1021	return;
1022
1023	pFramebuffer->Lock();
1024
1025	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1026	checkCoordBounds (&x, &y, &w, &h, mpDrv->IConnector.cx, mpDrv->IConnector.cy);
1027	else
1028	checkCoordBounds (&x, &y, &w, &h, maFramebuffers[uScreenId].w,
1029	maFramebuffers[uScreenId].h);
1030
1031	if (w != 0 && h != 0)
1032	pFramebuffer->NotifyUpdate(x, y, w, h);
1033
1034	pFramebuffer->Unlock();
1035
1036	#ifndef VBOX_WITH_HGSMI
1037	if (!mfVideoAccelEnabled)
1038	{
1039	#else
1040	if (!mfVideoAccelEnabled && !maFramebuffers[uScreenId].fVBVAEnabled)
1041	{
1042	#endif /* VBOX_WITH_HGSMI */
1043	/* When VBVA is enabled, the VRDP server is informed in the VideoAccelFlush.
1044	* Inform the server here only if VBVA is disabled.
1045	*/
1046	if (maFramebuffers[uScreenId].u32ResizeStatus == ResizeStatus_Void)
1047	mParent->consoleVRDPServer()->SendUpdateBitmap(uScreenId, x, y, w, h);
1048	}
1049	}
1050
1051	typedef struct _VBVADIRTYREGION
1052	{
1053	/* Copies of object's pointers used by vbvaRgn functions. */
1054	DISPLAYFBINFO *paFramebuffers;
1055	unsigned cMonitors;
1056	Display *pDisplay;
1057	PPDMIDISPLAYPORT pPort;
1058
1059	} VBVADIRTYREGION;
1060
1061	static void vbvaRgnInit (VBVADIRTYREGION prgn, DISPLAYFBINFO paFramebuffers, unsigned cMonitors, Display *pd, PPDMIDISPLAYPORT pp)
1062	{
1063	prgn->paFramebuffers = paFramebuffers;
1064	prgn->cMonitors = cMonitors;
1065	prgn->pDisplay = pd;
1066	prgn->pPort = pp;
1067
1068	unsigned uScreenId;
1069	for (uScreenId = 0; uScreenId < cMonitors; uScreenId++)
1070	{
1071	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1072
1073	memset (&pFBInfo->dirtyRect, 0, sizeof (pFBInfo->dirtyRect));
1074	}
1075	}
1076
1077	static void vbvaRgnDirtyRect (VBVADIRTYREGION prgn, unsigned uScreenId, VBVACMDHDR phdr)
1078	{
1079	LogSunlover (("x = %d, y = %d, w = %d, h = %d\n",
1080	phdr->x, phdr->y, phdr->w, phdr->h));
1081
1082	/*
1083	* Here update rectangles are accumulated to form an update area.
1084	* @todo
1085	* Now the simpliest method is used which builds one rectangle that
1086	* includes all update areas. A bit more advanced method can be
1087	* employed here. The method should be fast however.
1088	*/
1089	if (phdr->w == 0 \|\| phdr->h == 0)
1090	{
1091	/* Empty rectangle. */
1092	return;
1093	}
1094
1095	int32_t xRight = phdr->x + phdr->w;
1096	int32_t yBottom = phdr->y + phdr->h;
1097
1098	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1099
1100	if (pFBInfo->dirtyRect.xRight == 0)
1101	{
1102	/* This is the first rectangle to be added. */
1103	pFBInfo->dirtyRect.xLeft = phdr->x;
1104	pFBInfo->dirtyRect.yTop = phdr->y;
1105	pFBInfo->dirtyRect.xRight = xRight;
1106	pFBInfo->dirtyRect.yBottom = yBottom;
1107	}
1108	else
1109	{
1110	/* Adjust region coordinates. */
1111	if (pFBInfo->dirtyRect.xLeft > phdr->x)
1112	{
1113	pFBInfo->dirtyRect.xLeft = phdr->x;
1114	}
1115
1116	if (pFBInfo->dirtyRect.yTop > phdr->y)
1117	{
1118	pFBInfo->dirtyRect.yTop = phdr->y;
1119	}
1120
1121	if (pFBInfo->dirtyRect.xRight < xRight)
1122	{
1123	pFBInfo->dirtyRect.xRight = xRight;
1124	}
1125
1126	if (pFBInfo->dirtyRect.yBottom < yBottom)
1127	{
1128	pFBInfo->dirtyRect.yBottom = yBottom;
1129	}
1130	}
1131
1132	if (pFBInfo->fDefaultFormat)
1133	{
1134	//@todo pfnUpdateDisplayRect must take the vram offset parameter for the framebuffer
1135	prgn->pPort->pfnUpdateDisplayRect (prgn->pPort, phdr->x, phdr->y, phdr->w, phdr->h);
1136	prgn->pDisplay->handleDisplayUpdate (phdr->x + pFBInfo->xOrigin,
1137	phdr->y + pFBInfo->yOrigin, phdr->w, phdr->h);
1138	}
1139
1140	return;
1141	}
1142
1143	static void vbvaRgnUpdateFramebuffer (VBVADIRTYREGION *prgn, unsigned uScreenId)
1144	{
1145	DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1146
1147	uint32_t w = pFBInfo->dirtyRect.xRight - pFBInfo->dirtyRect.xLeft;
1148	uint32_t h = pFBInfo->dirtyRect.yBottom - pFBInfo->dirtyRect.yTop;
1149
1150	if (!pFBInfo->fDefaultFormat && pFBInfo->pFramebuffer && w != 0 && h != 0)
1151	{
1152	//@todo pfnUpdateDisplayRect must take the vram offset parameter for the framebuffer
1153	prgn->pPort->pfnUpdateDisplayRect (prgn->pPort, pFBInfo->dirtyRect.xLeft, pFBInfo->dirtyRect.yTop, w, h);
1154	prgn->pDisplay->handleDisplayUpdate (pFBInfo->dirtyRect.xLeft + pFBInfo->xOrigin,
1155	pFBInfo->dirtyRect.yTop + pFBInfo->yOrigin, w, h);
1156	}
1157	}
1158
1159	static void vbvaSetMemoryFlags (VBVAMEMORY *pVbvaMemory,
1160	bool fVideoAccelEnabled,
1161	bool fVideoAccelVRDP,
1162	uint32_t fu32SupportedOrders,
1163	DISPLAYFBINFO *paFBInfos,
1164	unsigned cFBInfos)
1165	{
1166	if (pVbvaMemory)
1167	{
1168	/* This called only on changes in mode. So reset VRDP always. */
1169	uint32_t fu32Flags = VBVA_F_MODE_VRDP_RESET;
1170
1171	if (fVideoAccelEnabled)
1172	{
1173	fu32Flags \|= VBVA_F_MODE_ENABLED;
1174
1175	if (fVideoAccelVRDP)
1176	{
1177	fu32Flags \|= VBVA_F_MODE_VRDP \| VBVA_F_MODE_VRDP_ORDER_MASK;
1178
1179	pVbvaMemory->fu32SupportedOrders = fu32SupportedOrders;
1180	}
1181	}
1182
1183	pVbvaMemory->fu32ModeFlags = fu32Flags;
1184	}
1185
1186	unsigned uScreenId;
1187	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1188	{
1189	if (paFBInfos[uScreenId].pHostEvents)
1190	{
1191	paFBInfos[uScreenId].pHostEvents->fu32Events \|= VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1192	}
1193	}
1194	}
1195
1196	#ifdef VBOX_WITH_HGSMI
1197	static void vbvaSetMemoryFlagsHGSMI (unsigned uScreenId,
1198	uint32_t fu32SupportedOrders,
1199	bool fVideoAccelVRDP,
1200	DISPLAYFBINFO *pFBInfo)
1201	{
1202	LogFlowFunc(("HGSMI[%d]: %p\n", uScreenId, pFBInfo->pVBVAHostFlags));
1203
1204	if (pFBInfo->pVBVAHostFlags)
1205	{
1206	uint32_t fu32HostEvents = VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1207
1208	if (pFBInfo->fVBVAEnabled)
1209	{
1210	fu32HostEvents \|= VBVA_F_MODE_ENABLED;
1211
1212	if (fVideoAccelVRDP)
1213	{
1214	fu32HostEvents \|= VBVA_F_MODE_VRDP;
1215	}
1216	}
1217
1218	ASMAtomicOrU32(&pFBInfo->pVBVAHostFlags->u32HostEvents, fu32HostEvents);
1219	ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32SupportedOrders, fu32SupportedOrders);
1220
1221	LogFlowFunc((" fu32HostEvents = 0x%08X, fu32SupportedOrders = 0x%08X\n", fu32HostEvents, fu32SupportedOrders));
1222	}
1223	}
1224
1225	static void vbvaSetMemoryFlagsAllHGSMI (uint32_t fu32SupportedOrders,
1226	bool fVideoAccelVRDP,
1227	DISPLAYFBINFO *paFBInfos,
1228	unsigned cFBInfos)
1229	{
1230	unsigned uScreenId;
1231
1232	for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1233	{
1234	vbvaSetMemoryFlagsHGSMI(uScreenId, fu32SupportedOrders, fVideoAccelVRDP, &paFBInfos[uScreenId]);
1235	}
1236	}
1237	#endif /* VBOX_WITH_HGSMI */
1238
1239	bool Display::VideoAccelAllowed (void)
1240	{
1241	return true;
1242	}
1243
1244	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1245	int Display::vbvaLock(void)
1246	{
1247	return RTCritSectEnter(&mVBVALock);
1248	}
1249
1250	void Display::vbvaUnlock(void)
1251	{
1252	RTCritSectLeave(&mVBVALock);
1253	}
1254	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1255
1256	/**
1257	* @thread EMT
1258	*/
1259	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1260	int Display::VideoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
1261	{
1262	int rc;
1263	vbvaLock();
1264	rc = videoAccelEnable (fEnable, pVbvaMemory);
1265	vbvaUnlock();
1266	return rc;
1267	}
1268	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1269
1270	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1271	int Display::videoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
1272	#else
1273	int Display::VideoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
1274	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
1275	{
1276	int rc = VINF_SUCCESS;
1277
1278	/* Called each time the guest wants to use acceleration,
1279	* or when the VGA device disables acceleration,
1280	* or when restoring the saved state with accel enabled.
1281	*
1282	* VGA device disables acceleration on each video mode change
1283	* and on reset.
1284	*
1285	* Guest enabled acceleration at will. And it has to enable
1286	* acceleration after a mode change.
1287	*/
1288	LogFlowFunc (("mfVideoAccelEnabled = %d, fEnable = %d, pVbvaMemory = %p\n",
1289	mfVideoAccelEnabled, fEnable, pVbvaMemory));
1290
1291	/* Strictly check parameters. Callers must not pass anything in the case. */
1292	Assert((fEnable && pVbvaMemory) \|\| (!fEnable && pVbvaMemory == NULL));
1293
1294	if (!VideoAccelAllowed ())
1295	{
1296	return VERR_NOT_SUPPORTED;
1297	}
1298
1299	/*
1300	* Verify that the VM is in running state. If it is not,
1301	* then this must be postponed until it goes to running.
1302	*/
1303	if (!mfMachineRunning)
1304	{
1305	Assert (!mfVideoAccelEnabled);
1306
1307	LogFlowFunc (("Machine is not yet running.\n"));
1308
1309	if (fEnable)
1310	{
1311	mfPendingVideoAccelEnable = fEnable;
1312	mpPendingVbvaMemory = pVbvaMemory;
1313	}
1314
1315	return rc;
1316	}
1317
1318	/* Check that current status is not being changed */
1319	if (mfVideoAccelEnabled == fEnable)
1320	{
1321	return rc;
1322	}
1323
1324	if (mfVideoAccelEnabled)
1325	{
1326	/* Process any pending orders and empty the VBVA ring buffer. */
1327	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1328	videoAccelFlush ();
1329	#else
1330	VideoAccelFlush ();
1331	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
1332	}
1333
1334	if (!fEnable && mpVbvaMemory)
1335	{
1336	mpVbvaMemory->fu32ModeFlags &= ~VBVA_F_MODE_ENABLED;
1337	}
1338
1339	/* Safety precaution. There is no more VBVA until everything is setup! */
1340	mpVbvaMemory = NULL;
1341	mfVideoAccelEnabled = false;
1342
1343	/* Update entire display. */
1344	if (maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].u32ResizeStatus == ResizeStatus_Void)
1345	{
1346	mpDrv->pUpPort->pfnUpdateDisplayAll(mpDrv->pUpPort);
1347	}
1348
1349	/* Everything OK. VBVA status can be changed. */
1350
1351	/* Notify the VMMDev, which saves VBVA status in the saved state,
1352	* and needs to know current status.
1353	*/
1354	PPDMIVMMDEVPORT pVMMDevPort = mParent->getVMMDev()->getVMMDevPort ();
1355
1356	if (pVMMDevPort)
1357	{
1358	pVMMDevPort->pfnVBVAChange (pVMMDevPort, fEnable);
1359	}
1360
1361	if (fEnable)
1362	{
1363	mpVbvaMemory = pVbvaMemory;
1364	mfVideoAccelEnabled = true;
1365
1366	/* Initialize the hardware memory. */
1367	vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
1368	mpVbvaMemory->off32Data = 0;
1369	mpVbvaMemory->off32Free = 0;
1370
1371	memset (mpVbvaMemory->aRecords, 0, sizeof (mpVbvaMemory->aRecords));
1372	mpVbvaMemory->indexRecordFirst = 0;
1373	mpVbvaMemory->indexRecordFree = 0;
1374
1375	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1376	mfu32PendingVideoAccelDisable = false;
1377	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1378
1379	LogRel(("VBVA: Enabled.\n"));
1380	}
1381	else
1382	{
1383	LogRel(("VBVA: Disabled.\n"));
1384	}
1385
1386	LogFlowFunc (("VideoAccelEnable: rc = %Rrc.\n", rc));
1387
1388	return rc;
1389	}
1390
1391	#ifdef VBOX_WITH_VRDP
1392	/* Called always by one VRDP server thread. Can be thread-unsafe.
1393	*/
1394	void Display::VideoAccelVRDP (bool fEnable)
1395	{
1396	LogFlowFunc(("fEnable = %d\n", fEnable));
1397
1398	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1399	vbvaLock();
1400	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1401
1402	int c = fEnable?
1403	ASMAtomicIncS32 (&mcVideoAccelVRDPRefs):
1404	ASMAtomicDecS32 (&mcVideoAccelVRDPRefs);
1405
1406	Assert (c >= 0);
1407
1408	if (c == 0)
1409	{
1410	/* The last client has disconnected, and the accel can be
1411	* disabled.
1412	*/
1413	Assert (fEnable == false);
1414
1415	mfVideoAccelVRDP = false;
1416	mfu32SupportedOrders = 0;
1417
1418	vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
1419	#ifdef VBOX_WITH_HGSMI
1420	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1421	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1422	#endif /* VBOX_WITH_HGSMI */
1423
1424	LogRel(("VBVA: VRDP acceleration has been disabled.\n"));
1425	}
1426	else if ( c == 1
1427	&& !mfVideoAccelVRDP)
1428	{
1429	/* The first client has connected. Enable the accel.
1430	*/
1431	Assert (fEnable == true);
1432
1433	mfVideoAccelVRDP = true;
1434	/* Supporting all orders. */
1435	mfu32SupportedOrders = ~0;
1436
1437	vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
1438	#ifdef VBOX_WITH_HGSMI
1439	/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1440	ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1441	#endif /* VBOX_WITH_HGSMI */
1442
1443	LogRel(("VBVA: VRDP acceleration has been requested.\n"));
1444	}
1445	else
1446	{
1447	/* A client is connected or disconnected but there is no change in the
1448	* accel state. It remains enabled.
1449	*/
1450	Assert (mfVideoAccelVRDP == true);
1451	}
1452	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1453	vbvaUnlock();
1454	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1455	}
1456	#endif /* VBOX_WITH_VRDP */
1457
1458	static bool vbvaVerifyRingBuffer (VBVAMEMORY *pVbvaMemory)
1459	{
1460	return true;
1461	}
1462
1463	static void vbvaFetchBytes (VBVAMEMORY pVbvaMemory, uint8_t pu8Dst, uint32_t cbDst)
1464	{
1465	if (cbDst >= VBVA_RING_BUFFER_SIZE)
1466	{
1467	AssertMsgFailed (("cbDst = 0x%08X, ring buffer size 0x%08X", cbDst, VBVA_RING_BUFFER_SIZE));
1468	return;
1469	}
1470
1471	uint32_t u32BytesTillBoundary = VBVA_RING_BUFFER_SIZE - pVbvaMemory->off32Data;
1472	uint8_t *src = &pVbvaMemory->au8RingBuffer[pVbvaMemory->off32Data];
1473	int32_t i32Diff = cbDst - u32BytesTillBoundary;
1474
1475	if (i32Diff <= 0)
1476	{
1477	/* Chunk will not cross buffer boundary. */
1478	memcpy (pu8Dst, src, cbDst);
1479	}
1480	else
1481	{
1482	/* Chunk crosses buffer boundary. */
1483	memcpy (pu8Dst, src, u32BytesTillBoundary);
1484	memcpy (pu8Dst + u32BytesTillBoundary, &pVbvaMemory->au8RingBuffer[0], i32Diff);
1485	}
1486
1487	/* Advance data offset. */
1488	pVbvaMemory->off32Data = (pVbvaMemory->off32Data + cbDst) % VBVA_RING_BUFFER_SIZE;
1489
1490	return;
1491	}
1492
1493
1494	static bool vbvaPartialRead (uint8_t *ppu8, uint32_t pcb, uint32_t cbRecord, VBVAMEMORY *pVbvaMemory)
1495	{
1496	uint8_t *pu8New;
1497
1498	LogFlow(("MAIN::DisplayImpl::vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n",
1499	ppu8, pcb, cbRecord));
1500
1501	if (*ppu8)
1502	{
1503	Assert (*pcb);
1504	pu8New = (uint8_t )RTMemRealloc (ppu8, cbRecord);
1505	}
1506	else
1507	{
1508	Assert (!*pcb);
1509	pu8New = (uint8_t *)RTMemAlloc (cbRecord);
1510	}
1511
1512	if (!pu8New)
1513	{
1514	/* Memory allocation failed, fail the function. */
1515	Log(("MAIN::vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n",
1516	cbRecord));
1517
1518	if (*ppu8)
1519	{
1520	RTMemFree (*ppu8);
1521	}
1522
1523	*ppu8 = NULL;
1524	*pcb = 0;
1525
1526	return false;
1527	}
1528
1529	/* Fetch data from the ring buffer. */
1530	vbvaFetchBytes (pVbvaMemory, pu8New + pcb, cbRecord - pcb);
1531
1532	*ppu8 = pu8New;
1533	*pcb = cbRecord;
1534
1535	return true;
1536	}
1537
1538	/* For contiguous chunks just return the address in the buffer.
1539	* For crossing boundary - allocate a buffer from heap.
1540	*/
1541	bool Display::vbvaFetchCmd (VBVACMDHDR *ppHdr, uint32_t pcbCmd)
1542	{
1543	uint32_t indexRecordFirst = mpVbvaMemory->indexRecordFirst;
1544	uint32_t indexRecordFree = mpVbvaMemory->indexRecordFree;
1545
1546	#ifdef DEBUG_sunlover
1547	LogFlowFunc (("first = %d, free = %d\n",
1548	indexRecordFirst, indexRecordFree));
1549	#endif /* DEBUG_sunlover */
1550
1551	if (!vbvaVerifyRingBuffer (mpVbvaMemory))
1552	{
1553	return false;
1554	}
1555
1556	if (indexRecordFirst == indexRecordFree)
1557	{
1558	/* No records to process. Return without assigning output variables. */
1559	return true;
1560	}
1561
1562	VBVARECORD *pRecord = &mpVbvaMemory->aRecords[indexRecordFirst];
1563
1564	#ifdef DEBUG_sunlover
1565	LogFlowFunc (("cbRecord = 0x%08X\n", pRecord->cbRecord));
1566	#endif /* DEBUG_sunlover */
1567
1568	uint32_t cbRecord = pRecord->cbRecord & ~VBVA_F_RECORD_PARTIAL;
1569
1570	if (mcbVbvaPartial)
1571	{
1572	/* There is a partial read in process. Continue with it. */
1573
1574	Assert (mpu8VbvaPartial);
1575
1576	LogFlowFunc (("continue partial record mcbVbvaPartial = %d cbRecord 0x%08X, first = %d, free = %d\n",
1577	mcbVbvaPartial, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
1578
1579	if (cbRecord > mcbVbvaPartial)
1580	{
1581	/* New data has been added to the record. */
1582	if (!vbvaPartialRead (&mpu8VbvaPartial, &mcbVbvaPartial, cbRecord, mpVbvaMemory))
1583	{
1584	return false;
1585	}
1586	}
1587
1588	if (!(pRecord->cbRecord & VBVA_F_RECORD_PARTIAL))
1589	{
1590	/* The record is completed by guest. Return it to the caller. */
1591	ppHdr = (VBVACMDHDR )mpu8VbvaPartial;
1592	*pcbCmd = mcbVbvaPartial;
1593
1594	mpu8VbvaPartial = NULL;
1595	mcbVbvaPartial = 0;
1596
1597	/* Advance the record index. */
1598	mpVbvaMemory->indexRecordFirst = (indexRecordFirst + 1) % VBVA_MAX_RECORDS;
1599
1600	#ifdef DEBUG_sunlover
1601	LogFlowFunc (("partial done ok, data = %d, free = %d\n",
1602	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
1603	#endif /* DEBUG_sunlover */
1604	}
1605
1606	return true;
1607	}
1608
1609	/* A new record need to be processed. */
1610	if (pRecord->cbRecord & VBVA_F_RECORD_PARTIAL)
1611	{
1612	/* Current record is being written by guest. '=' is important here. */
1613	if (cbRecord >= VBVA_RING_BUFFER_SIZE - VBVA_RING_BUFFER_THRESHOLD)
1614	{
1615	/* Partial read must be started. */
1616	if (!vbvaPartialRead (&mpu8VbvaPartial, &mcbVbvaPartial, cbRecord, mpVbvaMemory))
1617	{
1618	return false;
1619	}
1620
1621	LogFlowFunc (("started partial record mcbVbvaPartial = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n",
1622	mcbVbvaPartial, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
1623	}
1624
1625	return true;
1626	}
1627
1628	/* Current record is complete. If it is not empty, process it. */
1629	if (cbRecord)
1630	{
1631	/* The size of largest contiguos chunk in the ring biffer. */
1632	uint32_t u32BytesTillBoundary = VBVA_RING_BUFFER_SIZE - mpVbvaMemory->off32Data;
1633
1634	/* The ring buffer pointer. */
1635	uint8_t *au8RingBuffer = &mpVbvaMemory->au8RingBuffer[0];
1636
1637	/* The pointer to data in the ring buffer. */
1638	uint8_t *src = &au8RingBuffer[mpVbvaMemory->off32Data];
1639
1640	/* Fetch or point the data. */
1641	if (u32BytesTillBoundary >= cbRecord)
1642	{
1643	/* The command does not cross buffer boundary. Return address in the buffer. */
1644	ppHdr = (VBVACMDHDR )src;
1645
1646	/* Advance data offset. */
1647	mpVbvaMemory->off32Data = (mpVbvaMemory->off32Data + cbRecord) % VBVA_RING_BUFFER_SIZE;
1648	}
1649	else
1650	{
1651	/* The command crosses buffer boundary. Rare case, so not optimized. */
1652	uint8_t dst = (uint8_t )RTMemAlloc (cbRecord);
1653
1654	if (!dst)
1655	{
1656	LogFlowFunc (("could not allocate %d bytes from heap!!!\n", cbRecord));
1657	mpVbvaMemory->off32Data = (mpVbvaMemory->off32Data + cbRecord) % VBVA_RING_BUFFER_SIZE;
1658	return false;
1659	}
1660
1661	vbvaFetchBytes (mpVbvaMemory, dst, cbRecord);
1662
1663	ppHdr = (VBVACMDHDR )dst;
1664
1665	#ifdef DEBUG_sunlover
1666	LogFlowFunc (("Allocated from heap %p\n", dst));
1667	#endif /* DEBUG_sunlover */
1668	}
1669	}
1670
1671	*pcbCmd = cbRecord;
1672
1673	/* Advance the record index. */
1674	mpVbvaMemory->indexRecordFirst = (indexRecordFirst + 1) % VBVA_MAX_RECORDS;
1675
1676	#ifdef DEBUG_sunlover
1677	LogFlowFunc (("done ok, data = %d, free = %d\n",
1678	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
1679	#endif /* DEBUG_sunlover */
1680
1681	return true;
1682	}
1683
1684	void Display::vbvaReleaseCmd (VBVACMDHDR *pHdr, int32_t cbCmd)
1685	{
1686	uint8_t *au8RingBuffer = mpVbvaMemory->au8RingBuffer;
1687
1688	if ( (uint8_t *)pHdr >= au8RingBuffer
1689	&& (uint8_t *)pHdr < &au8RingBuffer[VBVA_RING_BUFFER_SIZE])
1690	{
1691	/* The pointer is inside ring buffer. Must be continuous chunk. */
1692	Assert (VBVA_RING_BUFFER_SIZE - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);
1693
1694	/* Do nothing. */
1695
1696	Assert (!mpu8VbvaPartial && mcbVbvaPartial == 0);
1697	}
1698	else
1699	{
1700	/* The pointer is outside. It is then an allocated copy. */
1701
1702	#ifdef DEBUG_sunlover
1703	LogFlowFunc (("Free heap %p\n", pHdr));
1704	#endif /* DEBUG_sunlover */
1705
1706	if ((uint8_t *)pHdr == mpu8VbvaPartial)
1707	{
1708	mpu8VbvaPartial = NULL;
1709	mcbVbvaPartial = 0;
1710	}
1711	else
1712	{
1713	Assert (!mpu8VbvaPartial && mcbVbvaPartial == 0);
1714	}
1715
1716	RTMemFree (pHdr);
1717	}
1718
1719	return;
1720	}
1721
1722
1723	/**
1724	* Called regularly on the DisplayRefresh timer.
1725	* Also on behalf of guest, when the ring buffer is full.
1726	*
1727	* @thread EMT
1728	*/
1729	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1730	void Display::VideoAccelFlush (void)
1731	{
1732	vbvaLock();
1733	videoAccelFlush();
1734	vbvaUnlock();
1735	}
1736	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1737
1738	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1739	/* Under VBVA lock. DevVGA is not taken. */
1740	void Display::videoAccelFlush (void)
1741	#else
1742	void Display::VideoAccelFlush (void)
1743	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
1744	{
1745	#ifdef DEBUG_sunlover_2
1746	LogFlowFunc (("mfVideoAccelEnabled = %d\n", mfVideoAccelEnabled));
1747	#endif /* DEBUG_sunlover_2 */
1748
1749	if (!mfVideoAccelEnabled)
1750	{
1751	Log(("Display::VideoAccelFlush: called with disabled VBVA!!! Ignoring.\n"));
1752	return;
1753	}
1754
1755	/* Here VBVA is enabled and we have the accelerator memory pointer. */
1756	Assert(mpVbvaMemory);
1757
1758	#ifdef DEBUG_sunlover_2
1759	LogFlowFunc (("indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
1760	mpVbvaMemory->indexRecordFirst, mpVbvaMemory->indexRecordFree, mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
1761	#endif /* DEBUG_sunlover_2 */
1762
1763	/* Quick check for "nothing to update" case. */
1764	if (mpVbvaMemory->indexRecordFirst == mpVbvaMemory->indexRecordFree)
1765	{
1766	return;
1767	}
1768
1769	/* Process the ring buffer */
1770	unsigned uScreenId;
1771	#ifndef VBOX_WITH_OLD_VBVA_LOCK
1772	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1773	{
1774	if (!maFramebuffers[uScreenId].pFramebuffer.isNull())
1775	{
1776	maFramebuffers[uScreenId].pFramebuffer->Lock ();
1777	}
1778	}
1779	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
1780
1781	/* Initialize dirty rectangles accumulator. */
1782	VBVADIRTYREGION rgn;
1783	vbvaRgnInit (&rgn, maFramebuffers, mcMonitors, this, mpDrv->pUpPort);
1784
1785	for (;;)
1786	{
1787	VBVACMDHDR *phdr = NULL;
1788	uint32_t cbCmd = ~0;
1789
1790	/* Fetch the command data. */
1791	if (!vbvaFetchCmd (&phdr, &cbCmd))
1792	{
1793	Log(("Display::VideoAccelFlush: unable to fetch command. off32Data = %d, off32Free = %d. Disabling VBVA!!!\n",
1794	mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
1795
1796	/* Disable VBVA on those processing errors. */
1797	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1798	videoAccelEnable (false, NULL);
1799	#else
1800	VideoAccelEnable (false, NULL);
1801	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
1802
1803	break;
1804	}
1805
1806	if (cbCmd == uint32_t(~0))
1807	{
1808	/* No more commands yet in the queue. */
1809	break;
1810	}
1811
1812	if (cbCmd != 0)
1813	{
1814	#ifdef DEBUG_sunlover
1815	LogFlowFunc (("hdr: cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
1816	cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
1817	#endif /* DEBUG_sunlover */
1818
1819	VBVACMDHDR hdrSaved = *phdr;
1820
1821	int x = phdr->x;
1822	int y = phdr->y;
1823	int w = phdr->w;
1824	int h = phdr->h;
1825
1826	uScreenId = mapCoordsToScreen(maFramebuffers, mcMonitors, &x, &y, &w, &h);
1827
1828	phdr->x = (int16_t)x;
1829	phdr->y = (int16_t)y;
1830	phdr->w = (uint16_t)w;
1831	phdr->h = (uint16_t)h;
1832
1833	DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1834
1835	if (pFBInfo->u32ResizeStatus == ResizeStatus_Void)
1836	{
1837	/* Handle the command.
1838	*
1839	* Guest is responsible for updating the guest video memory.
1840	* The Windows guest does all drawing using Eng*.
1841	*
1842	* For local output, only dirty rectangle information is used
1843	* to update changed areas.
1844	*
1845	* Dirty rectangles are accumulated to exclude overlapping updates and
1846	* group small updates to a larger one.
1847	*/
1848
1849	/* Accumulate the update. */
1850	vbvaRgnDirtyRect (&rgn, uScreenId, phdr);
1851
1852	/* Forward the command to VRDP server. */
1853	mParent->consoleVRDPServer()->SendUpdate (uScreenId, phdr, cbCmd);
1854
1855	*phdr = hdrSaved;
1856	}
1857	}
1858
1859	vbvaReleaseCmd (phdr, cbCmd);
1860	}
1861
1862	for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1863	{
1864	#ifndef VBOX_WITH_OLD_VBVA_LOCK
1865	if (!maFramebuffers[uScreenId].pFramebuffer.isNull())
1866	{
1867	maFramebuffers[uScreenId].pFramebuffer->Unlock ();
1868	}
1869	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
1870
1871	if (maFramebuffers[uScreenId].u32ResizeStatus == ResizeStatus_Void)
1872	{
1873	/* Draw the framebuffer. */
1874	vbvaRgnUpdateFramebuffer (&rgn, uScreenId);
1875	}
1876	}
1877	}
1878
1879	#ifdef VBOX_WITH_OLD_VBVA_LOCK
1880	int Display::videoAccelRefreshProcess(void)
1881	{
1882	int rc = VWRN_INVALID_STATE; /* Default is to do a display update in VGA device. */
1883
1884	vbvaLock();
1885
1886	if (ASMAtomicCmpXchgU32(&mfu32PendingVideoAccelDisable, false, true))
1887	{
1888	videoAccelEnable (false, NULL);
1889	}
1890	else if (mfPendingVideoAccelEnable)
1891	{
1892	/* Acceleration was enabled while machine was not yet running
1893	* due to restoring from saved state. Update entire display and
1894	* actually enable acceleration.
1895	*/
1896	Assert(mpPendingVbvaMemory);
1897
1898	/* Acceleration can not be yet enabled.*/
1899	Assert(mpVbvaMemory == NULL);
1900	Assert(!mfVideoAccelEnabled);
1901
1902	if (mfMachineRunning)
1903	{
1904	videoAccelEnable (mfPendingVideoAccelEnable,
1905	mpPendingVbvaMemory);
1906
1907	/* Reset the pending state. */
1908	mfPendingVideoAccelEnable = false;
1909	mpPendingVbvaMemory = NULL;
1910	}
1911
1912	rc = VINF_TRY_AGAIN;
1913	}
1914	else
1915	{
1916	Assert(mpPendingVbvaMemory == NULL);
1917
1918	if (mfVideoAccelEnabled)
1919	{
1920	Assert(mpVbvaMemory);
1921	videoAccelFlush ();
1922
1923	rc = VINF_SUCCESS; /* VBVA processed, no need to a display update. */
1924	}
1925	}
1926
1927	vbvaUnlock();
1928
1929	return rc;
1930	}
1931	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
1932
1933
1934	// IDisplay properties
1935	/////////////////////////////////////////////////////////////////////////////
1936
1937	/**
1938	* Returns the current display width in pixel
1939	*
1940	* @returns COM status code
1941	* @param width Address of result variable.
1942	*/
1943	STDMETHODIMP Display::COMGETTER(Width) (ULONG *width)
1944	{
1945	CheckComArgNotNull(width);
1946
1947	AutoCaller autoCaller(this);
1948	if (FAILED(autoCaller.rc())) return autoCaller.rc();
1949
1950	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1951
1952	CHECK_CONSOLE_DRV (mpDrv);
1953
1954	*width = mpDrv->IConnector.cx;
1955
1956	return S_OK;
1957	}
1958
1959	/**
1960	* Returns the current display height in pixel
1961	*
1962	* @returns COM status code
1963	* @param height Address of result variable.
1964	*/
1965	STDMETHODIMP Display::COMGETTER(Height) (ULONG *height)
1966	{
1967	CheckComArgNotNull(height);
1968
1969	AutoCaller autoCaller(this);
1970	if (FAILED(autoCaller.rc())) return autoCaller.rc();
1971
1972	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1973
1974	CHECK_CONSOLE_DRV (mpDrv);
1975
1976	*height = mpDrv->IConnector.cy;
1977
1978	return S_OK;
1979	}
1980
1981	/**
1982	* Returns the current display color depth in bits
1983	*
1984	* @returns COM status code
1985	* @param bitsPerPixel Address of result variable.
1986	*/
1987	STDMETHODIMP Display::COMGETTER(BitsPerPixel) (ULONG *bitsPerPixel)
1988	{
1989	if (!bitsPerPixel)
1990	return E_INVALIDARG;
1991
1992	AutoCaller autoCaller(this);
1993	if (FAILED(autoCaller.rc())) return autoCaller.rc();
1994
1995	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1996
1997	CHECK_CONSOLE_DRV (mpDrv);
1998
1999	uint32_t cBits = 0;
2000	int rc = mpDrv->pUpPort->pfnQueryColorDepth(mpDrv->pUpPort, &cBits);
2001	AssertRC(rc);
2002	*bitsPerPixel = cBits;
2003
2004	return S_OK;
2005	}
2006
2007
2008	// IDisplay methods
2009	/////////////////////////////////////////////////////////////////////////////
2010
2011	STDMETHODIMP Display::SetFramebuffer (ULONG aScreenId,
2012	IFramebuffer *aFramebuffer)
2013	{
2014	LogFlowFunc (("\n"));
2015
2016	if (aFramebuffer != NULL)
2017	CheckComArgOutPointerValid(aFramebuffer);
2018
2019	AutoCaller autoCaller(this);
2020	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2021
2022	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2023
2024	Console::SafeVMPtrQuiet pVM (mParent);
2025	if (pVM.isOk())
2026	{
2027	/* Must leave the lock here because the changeFramebuffer will
2028	* also obtain it. */
2029	alock.leave ();
2030
2031	/* send request to the EMT thread */
2032	int vrc = VMR3ReqCallWait (pVM, VMCPUID_ANY,
2033	(PFNRT) changeFramebuffer, 3, this, aFramebuffer, aScreenId);
2034
2035	alock.enter ();
2036
2037	ComAssertRCRet (vrc, E_FAIL);
2038	}
2039	else
2040	{
2041	/* No VM is created (VM is powered off), do a direct call */
2042	int vrc = changeFramebuffer (this, aFramebuffer, aScreenId);
2043	ComAssertRCRet (vrc, E_FAIL);
2044	}
2045
2046	return S_OK;
2047	}
2048
2049	STDMETHODIMP Display::GetFramebuffer (ULONG aScreenId,
2050	IFramebuffer *aFramebuffer, LONG aXOrigin, LONG *aYOrigin)
2051	{
2052	LogFlowFunc (("aScreenId = %d\n", aScreenId));
2053
2054	CheckComArgOutPointerValid(aFramebuffer);
2055
2056	AutoCaller autoCaller(this);
2057	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2058
2059	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2060
2061	/* @todo this should be actually done on EMT. */
2062	DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2063
2064	*aFramebuffer = pFBInfo->pFramebuffer;
2065	if (*aFramebuffer)
2066	(*aFramebuffer)->AddRef ();
2067	if (aXOrigin)
2068	*aXOrigin = pFBInfo->xOrigin;
2069	if (aYOrigin)
2070	*aYOrigin = pFBInfo->yOrigin;
2071
2072	return S_OK;
2073	}
2074
2075	STDMETHODIMP Display::SetVideoModeHint(ULONG aWidth, ULONG aHeight,
2076	ULONG aBitsPerPixel, ULONG aDisplay)
2077	{
2078	AutoCaller autoCaller(this);
2079	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2080
2081	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2082
2083	CHECK_CONSOLE_DRV (mpDrv);
2084
2085	/*
2086	* Do some rough checks for valid input
2087	*/
2088	ULONG width = aWidth;
2089	if (!width)
2090	width = mpDrv->IConnector.cx;
2091	ULONG height = aHeight;
2092	if (!height)
2093	height = mpDrv->IConnector.cy;
2094	ULONG bpp = aBitsPerPixel;
2095	if (!bpp)
2096	{
2097	uint32_t cBits = 0;
2098	int rc = mpDrv->pUpPort->pfnQueryColorDepth(mpDrv->pUpPort, &cBits);
2099	AssertRC(rc);
2100	bpp = cBits;
2101	}
2102	ULONG cMonitors;
2103	mParent->machine()->COMGETTER(MonitorCount)(&cMonitors);
2104	if (cMonitors == 0 && aDisplay > 0)
2105	return E_INVALIDARG;
2106	if (aDisplay >= cMonitors)
2107	return E_INVALIDARG;
2108
2109	// sunlover 20070614: It is up to the guest to decide whether the hint is valid.
2110	// ULONG vramSize;
2111	// mParent->machine()->COMGETTER(VRAMSize)(&vramSize);
2112	// /* enough VRAM? */
2113	// if ((width * height * (bpp / 8)) > (vramSize * 1024 * 1024))
2114	// return setError(E_FAIL, tr("Not enough VRAM for the selected video mode"));
2115
2116	/* Have to leave the lock because the pfnRequestDisplayChange
2117	* will call EMT. */
2118	alock.leave ();
2119	if (mParent->getVMMDev())
2120	mParent->getVMMDev()->getVMMDevPort()->
2121	pfnRequestDisplayChange (mParent->getVMMDev()->getVMMDevPort(),
2122	aWidth, aHeight, aBitsPerPixel, aDisplay);
2123	return S_OK;
2124	}
2125
2126	STDMETHODIMP Display::SetSeamlessMode (BOOL enabled)
2127	{
2128	AutoCaller autoCaller(this);
2129	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2130
2131	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2132
2133	/* Have to leave the lock because the pfnRequestSeamlessChange will call EMT. */
2134	alock.leave ();
2135	if (mParent->getVMMDev())
2136	mParent->getVMMDev()->getVMMDevPort()->
2137	pfnRequestSeamlessChange (mParent->getVMMDev()->getVMMDevPort(),
2138	!!enabled);
2139	return S_OK;
2140	}
2141
2142	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2143	int Display::displayTakeScreenshotEMT(Display pDisplay, uint8_t ppu8Data, size_t pcbData, uint32_t pu32Width, uint32_t pu32Height)
2144	{
2145	int rc;
2146	pDisplay->vbvaLock();
2147	rc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppu8Data, pcbData, pu32Width, pu32Height);
2148	pDisplay->vbvaUnlock();
2149	return rc;
2150	}
2151	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
2152
2153	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2154	static int displayTakeScreenshot(PVM pVM, Display pDisplay, struct DRVMAINDISPLAY pDrv, BYTE *address, ULONG width, ULONG height)
2155	#else
2156	static int displayTakeScreenshot(PVM pVM, struct DRVMAINDISPLAY pDrv, BYTE address, ULONG width, ULONG height)
2157	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2158	{
2159	uint8_t *pu8Data = NULL;
2160	size_t cbData = 0;
2161	uint32_t cx = 0;
2162	uint32_t cy = 0;
2163
2164	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2165	int vrc = VMR3ReqCallWait(pVM, VMCPUID_ANY, (PFNRT)Display::displayTakeScreenshotEMT, 5,
2166	pDisplay, &pu8Data, &cbData, &cx, &cy);
2167	#else
2168	/* @todo pfnTakeScreenshot is probably callable from any thread, because it uses the VGA device lock. */
2169	int vrc = VMR3ReqCallWait(pVM, VMCPUID_ANY, (PFNRT)pDrv->pUpPort->pfnTakeScreenshot, 5,
2170	pDrv->pUpPort, &pu8Data, &cbData, &cx, &cy);
2171	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2172
2173	if (RT_SUCCESS(vrc))
2174	{
2175	if (cx == width && cy == height)
2176	{
2177	/* No scaling required. */
2178	memcpy(address, pu8Data, cbData);
2179	}
2180	else
2181	{
2182	/* Scale. */
2183	LogFlowFunc(("SCALE: %dx%d -> %dx%d\n", cx, cy, width, height));
2184
2185	uint8_t *dst = address;
2186	uint8_t *src = pu8Data;
2187	int dstX = 0;
2188	int dstY = 0;
2189	int srcX = 0;
2190	int srcY = 0;
2191	int dstW = width;
2192	int dstH = height;
2193	int srcW = cx;
2194	int srcH = cy;
2195	gdImageCopyResampled (dst,
2196	src,
2197	dstX, dstY,
2198	srcX, srcY,
2199	dstW, dstH, srcW, srcH);
2200	}
2201
2202	/* This can be called from any thread. */
2203	pDrv->pUpPort->pfnFreeScreenshot (pDrv->pUpPort, pu8Data);
2204	}
2205
2206	return vrc;
2207	}
2208
2209	STDMETHODIMP Display::TakeScreenShot (BYTE *address, ULONG width, ULONG height)
2210	{
2211	/// @todo (r=dmik) this function may take too long to complete if the VM
2212	// is doing something like saving state right now. Which, in case if it
2213	// is called on the GUI thread, will make it unresponsive. We should
2214	// check the machine state here (by enclosing the check and VMRequCall
2215	// within the Console lock to make it atomic).
2216
2217	LogFlowFuncEnter();
2218	LogFlowFunc (("address=%p, width=%d, height=%d\n",
2219	address, width, height));
2220
2221	CheckComArgNotNull(address);
2222	CheckComArgExpr(width, width != 0);
2223	CheckComArgExpr(height, height != 0);
2224
2225	AutoCaller autoCaller(this);
2226	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2227
2228	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2229
2230	CHECK_CONSOLE_DRV (mpDrv);
2231
2232	Console::SafeVMPtr pVM(mParent);
2233	if (FAILED(pVM.rc())) return pVM.rc();
2234
2235	HRESULT rc = S_OK;
2236
2237	LogFlowFunc (("Sending SCREENSHOT request\n"));
2238
2239	/* Leave lock because other thread (EMT) is called and it may initiate a resize
2240	* which also needs lock.
2241	*
2242	* This method does not need the lock anymore.
2243	*/
2244	alock.leave();
2245
2246	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2247	int vrc = displayTakeScreenshot(pVM, this, mpDrv, address, width, height);
2248	#else
2249	int vrc = displayTakeScreenshot(pVM, mpDrv, address, width, height);
2250	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2251
2252	if (vrc == VERR_NOT_IMPLEMENTED)
2253	rc = setError(E_NOTIMPL,
2254	tr("This feature is not implemented"));
2255	else if (RT_FAILURE(vrc))
2256	rc = setError(VBOX_E_IPRT_ERROR,
2257	tr("Could not take a screenshot (%Rrc)"), vrc);
2258
2259	LogFlowFunc (("rc=%08X\n", rc));
2260	LogFlowFuncLeave();
2261	return rc;
2262	}
2263
2264	STDMETHODIMP Display::TakeScreenShotSlow (ULONG width, ULONG height,
2265	ComSafeArrayOut(BYTE, aScreenData))
2266	{
2267	LogFlowFuncEnter();
2268	LogFlowFunc (("width=%d, height=%d\n",
2269	width, height));
2270
2271	CheckComArgSafeArrayNotNull(aScreenData);
2272	CheckComArgExpr(width, width != 0);
2273	CheckComArgExpr(height, height != 0);
2274
2275	AutoCaller autoCaller(this);
2276	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2277
2278	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2279
2280	CHECK_CONSOLE_DRV (mpDrv);
2281
2282	Console::SafeVMPtr pVM(mParent);
2283	if (FAILED(pVM.rc())) return pVM.rc();
2284
2285	HRESULT rc = S_OK;
2286
2287	LogFlowFunc (("Sending SCREENSHOT request\n"));
2288
2289	/* Leave lock because other thread (EMT) is called and it may initiate a resize
2290	* which also needs lock.
2291	*
2292	* This method does not need the lock anymore.
2293	*/
2294	alock.leave();
2295
2296	size_t cbData = width * 4 * height;
2297	uint8_t pu8Data = (uint8_t )RTMemAlloc(cbData);
2298
2299	if (!pu8Data)
2300	return E_OUTOFMEMORY;
2301
2302	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2303	int vrc = displayTakeScreenshot(pVM, this, mpDrv, pu8Data, width, height);
2304	#else
2305	int vrc = displayTakeScreenshot(pVM, mpDrv, pu8Data, width, height);
2306	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2307
2308	if (RT_SUCCESS(vrc))
2309	{
2310	/* Convert pixels to format expected by the API caller: [0] R, [1] G, [2] B, [3] A. */
2311	uint8_t *pu8 = pu8Data;
2312	unsigned cPixels = width * height;
2313	while (cPixels)
2314	{
2315	uint8_t u8 = pu8[0];
2316	pu8[0] = pu8[2];
2317	pu8[2] = u8;
2318	pu8[3] = 0xff;
2319	cPixels--;
2320	pu8 += 4;
2321	}
2322
2323	com::SafeArray<BYTE> screenData (cbData);
2324	for (unsigned i = 0; i < cbData; i++)
2325	screenData[i] = pu8Data[i];
2326	screenData.detachTo(ComSafeArrayOutArg(aScreenData));
2327	}
2328	else if (vrc == VERR_NOT_IMPLEMENTED)
2329	rc = setError(E_NOTIMPL,
2330	tr("This feature is not implemented"));
2331	else
2332	rc = setError(VBOX_E_IPRT_ERROR,
2333	tr("Could not take a screenshot (%Rrc)"), vrc);
2334
2335	LogFlowFunc (("rc=%08X\n", rc));
2336	LogFlowFuncLeave();
2337	return rc;
2338	}
2339
2340	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2341	int Display::DrawToScreenEMT(Display pDisplay, BYTE address, ULONG x, ULONG y, ULONG width, ULONG height)
2342	{
2343	int rc;
2344	pDisplay->vbvaLock();
2345	rc = pDisplay->mpDrv->pUpPort->pfnDisplayBlt(pDisplay->mpDrv->pUpPort, address, x, y, width, height);
2346	pDisplay->vbvaUnlock();
2347	return rc;
2348	}
2349	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
2350
2351	STDMETHODIMP Display::DrawToScreen (BYTE *address, ULONG x, ULONG y,
2352	ULONG width, ULONG height)
2353	{
2354	/// @todo (r=dmik) this function may take too long to complete if the VM
2355	// is doing something like saving state right now. Which, in case if it
2356	// is called on the GUI thread, will make it unresponsive. We should
2357	// check the machine state here (by enclosing the check and VMRequCall
2358	// within the Console lock to make it atomic).
2359
2360	LogFlowFuncEnter();
2361	LogFlowFunc (("address=%p, x=%d, y=%d, width=%d, height=%d\n",
2362	(void *)address, x, y, width, height));
2363
2364	CheckComArgNotNull(address);
2365	CheckComArgExpr(width, width != 0);
2366	CheckComArgExpr(height, height != 0);
2367
2368	AutoCaller autoCaller(this);
2369	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2370
2371	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2372
2373	CHECK_CONSOLE_DRV (mpDrv);
2374
2375	Console::SafeVMPtr pVM(mParent);
2376	if (FAILED(pVM.rc())) return pVM.rc();
2377
2378	/*
2379	* Again we're lazy and make the graphics device do all the
2380	* dirty conversion work.
2381	*/
2382	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2383	int rcVBox = VMR3ReqCallWait(pVM, VMCPUID_ANY, (PFNRT)Display::DrawToScreenEMT, 6,
2384	this, address, x, y, width, height);
2385	#else
2386	int rcVBox = VMR3ReqCallWait(pVM, VMCPUID_ANY, (PFNRT)mpDrv->pUpPort->pfnDisplayBlt, 6,
2387	mpDrv->pUpPort, address, x, y, width, height);
2388	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2389
2390	/*
2391	* If the function returns not supported, we'll have to do all the
2392	* work ourselves using the framebuffer.
2393	*/
2394	HRESULT rc = S_OK;
2395	if (rcVBox == VERR_NOT_SUPPORTED \|\| rcVBox == VERR_NOT_IMPLEMENTED)
2396	{
2397	/** @todo implement generic fallback for screen blitting. */
2398	rc = E_NOTIMPL;
2399	}
2400	else if (RT_FAILURE(rcVBox))
2401	rc = setError(VBOX_E_IPRT_ERROR,
2402	tr("Could not draw to the screen (%Rrc)"), rcVBox);
2403	//@todo
2404	// else
2405	// {
2406	// /* All ok. Redraw the screen. */
2407	// handleDisplayUpdate (x, y, width, height);
2408	// }
2409
2410	LogFlowFunc (("rc=%08X\n", rc));
2411	LogFlowFuncLeave();
2412	return rc;
2413	}
2414
2415	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2416	void Display::InvalidateAndUpdateEMT(Display *pDisplay)
2417	{
2418	pDisplay->vbvaLock();
2419	pDisplay->mpDrv->pUpPort->pfnUpdateDisplayAll(pDisplay->mpDrv->pUpPort);
2420	pDisplay->vbvaUnlock();
2421	}
2422	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
2423
2424	/**
2425	* Does a full invalidation of the VM display and instructs the VM
2426	* to update it immediately.
2427	*
2428	* @returns COM status code
2429	*/
2430	STDMETHODIMP Display::InvalidateAndUpdate()
2431	{
2432	LogFlowFuncEnter();
2433
2434	AutoCaller autoCaller(this);
2435	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2436
2437	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2438
2439	CHECK_CONSOLE_DRV (mpDrv);
2440
2441	Console::SafeVMPtr pVM(mParent);
2442	if (FAILED(pVM.rc())) return pVM.rc();
2443
2444	HRESULT rc = S_OK;
2445
2446	LogFlowFunc (("Sending DPYUPDATE request\n"));
2447
2448	/* Have to leave the lock when calling EMT. */
2449	alock.leave ();
2450
2451	/* pdm.h says that this has to be called from the EMT thread */
2452	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2453	int rcVBox = VMR3ReqCallVoidWait(pVM, VMCPUID_ANY, (PFNRT)Display::InvalidateAndUpdateEMT,
2454	1, this);
2455	#else
2456	int rcVBox = VMR3ReqCallVoidWait(pVM, VMCPUID_ANY,
2457	(PFNRT)mpDrv->pUpPort->pfnUpdateDisplayAll, 1, mpDrv->pUpPort);
2458	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2459	alock.enter ();
2460
2461	if (RT_FAILURE(rcVBox))
2462	rc = setError(VBOX_E_IPRT_ERROR,
2463	tr("Could not invalidate and update the screen (%Rrc)"), rcVBox);
2464
2465	LogFlowFunc (("rc=%08X\n", rc));
2466	LogFlowFuncLeave();
2467	return rc;
2468	}
2469
2470	/**
2471	* Notification that the framebuffer has completed the
2472	* asynchronous resize processing
2473	*
2474	* @returns COM status code
2475	*/
2476	STDMETHODIMP Display::ResizeCompleted(ULONG aScreenId)
2477	{
2478	LogFlowFunc (("\n"));
2479
2480	/// @todo (dmik) can we AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); here?
2481	// do it when we switch this class to VirtualBoxBase_NEXT.
2482	// This will require general code review and may add some details.
2483	// In particular, we may want to check whether EMT is really waiting for
2484	// this notification, etc. It might be also good to obey the caller to make
2485	// sure this method is not called from more than one thread at a time
2486	// (and therefore don't use Display lock at all here to save some
2487	// milliseconds).
2488	AutoCaller autoCaller(this);
2489	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2490
2491	/* this is only valid for external framebuffers */
2492	if (maFramebuffers[aScreenId].pFramebuffer == NULL)
2493	return setError(VBOX_E_NOT_SUPPORTED,
2494	tr("Resize completed notification is valid only for external framebuffers"));
2495
2496	/* Set the flag indicating that the resize has completed and display
2497	* data need to be updated. */
2498	bool f = ASMAtomicCmpXchgU32 (&maFramebuffers[aScreenId].u32ResizeStatus,
2499	ResizeStatus_UpdateDisplayData, ResizeStatus_InProgress);
2500	AssertRelease(f);NOREF(f);
2501
2502	return S_OK;
2503	}
2504
2505	/**
2506	* Notification that the framebuffer has completed the
2507	* asynchronous update processing
2508	*
2509	* @returns COM status code
2510	*/
2511	STDMETHODIMP Display::UpdateCompleted()
2512	{
2513	LogFlowFunc (("\n"));
2514
2515	/// @todo (dmik) can we AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); here?
2516	// do it when we switch this class to VirtualBoxBase_NEXT.
2517	// Tthis will require general code review and may add some details.
2518	// In particular, we may want to check whether EMT is really waiting for
2519	// this notification, etc. It might be also good to obey the caller to make
2520	// sure this method is not called from more than one thread at a time
2521	// (and therefore don't use Display lock at all here to save some
2522	// milliseconds).
2523	AutoCaller autoCaller(this);
2524	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2525
2526	/* this is only valid for external framebuffers */
2527	if (maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].pFramebuffer == NULL)
2528	return setError(VBOX_E_NOT_SUPPORTED,
2529	tr("Resize completed notification is valid only for external framebuffers"));
2530
2531	return S_OK;
2532	}
2533
2534	STDMETHODIMP Display::CompleteVHWACommand(BYTE *pCommand)
2535	{
2536	#ifdef VBOX_WITH_VIDEOHWACCEL
2537	mpDrv->pVBVACallbacks->pfnVHWACommandCompleteAsynch(mpDrv->pVBVACallbacks, (PVBOXVHWACMD)pCommand);
2538	return S_OK;
2539	#else
2540	return E_NOTIMPL;
2541	#endif
2542	}
2543
2544	// private methods
2545	/////////////////////////////////////////////////////////////////////////////
2546
2547	/**
2548	* Helper to update the display information from the framebuffer.
2549	*
2550	* @param aCheckParams true to compare the parameters of the current framebuffer
2551	* and the new one and issue handleDisplayResize()
2552	* if they differ.
2553	* @thread EMT
2554	*/
2555	void Display::updateDisplayData (bool aCheckParams /* = false */)
2556	{
2557	/* the driver might not have been constructed yet */
2558	if (!mpDrv)
2559	return;
2560
2561	#if DEBUG
2562	/*
2563	* Sanity check. Note that this method may be called on EMT after Console
2564	* has started the power down procedure (but before our #drvDestruct() is
2565	* called, in which case pVM will aleady be NULL but mpDrv will not). Since
2566	* we don't really need pVM to proceed, we avoid this check in the release
2567	* build to save some ms (necessary to construct SafeVMPtrQuiet) in this
2568	* time-critical method.
2569	*/
2570	Console::SafeVMPtrQuiet pVM (mParent);
2571	if (pVM.isOk())
2572	VM_ASSERT_EMT (pVM.raw());
2573	#endif
2574
2575	/* The method is only relevant to the primary framebuffer. */
2576	IFramebuffer *pFramebuffer = maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].pFramebuffer;
2577
2578	if (pFramebuffer)
2579	{
2580	HRESULT rc;
2581	BYTE *address = 0;
2582	rc = pFramebuffer->COMGETTER(Address) (&address);
2583	AssertComRC (rc);
2584	ULONG bytesPerLine = 0;
2585	rc = pFramebuffer->COMGETTER(BytesPerLine) (&bytesPerLine);
2586	AssertComRC (rc);
2587	ULONG bitsPerPixel = 0;
2588	rc = pFramebuffer->COMGETTER(BitsPerPixel) (&bitsPerPixel);
2589	AssertComRC (rc);
2590	ULONG width = 0;
2591	rc = pFramebuffer->COMGETTER(Width) (&width);
2592	AssertComRC (rc);
2593	ULONG height = 0;
2594	rc = pFramebuffer->COMGETTER(Height) (&height);
2595	AssertComRC (rc);
2596
2597	/*
2598	* Check current parameters with new ones and issue handleDisplayResize()
2599	* to let the new frame buffer adjust itself properly. Note that it will
2600	* result into a recursive updateDisplayData() call but with
2601	* aCheckOld = false.
2602	*/
2603	if (aCheckParams &&
2604	(mLastAddress != address \|\|
2605	mLastBytesPerLine != bytesPerLine \|\|
2606	mLastBitsPerPixel != bitsPerPixel \|\|
2607	mLastWidth != (int) width \|\|
2608	mLastHeight != (int) height))
2609	{
2610	handleDisplayResize (VBOX_VIDEO_PRIMARY_SCREEN, mLastBitsPerPixel,
2611	mLastAddress,
2612	mLastBytesPerLine,
2613	mLastWidth,
2614	mLastHeight);
2615	return;
2616	}
2617
2618	mpDrv->IConnector.pu8Data = (uint8_t *) address;
2619	mpDrv->IConnector.cbScanline = bytesPerLine;
2620	mpDrv->IConnector.cBits = bitsPerPixel;
2621	mpDrv->IConnector.cx = width;
2622	mpDrv->IConnector.cy = height;
2623	}
2624	else
2625	{
2626	/* black hole */
2627	mpDrv->IConnector.pu8Data = NULL;
2628	mpDrv->IConnector.cbScanline = 0;
2629	mpDrv->IConnector.cBits = 0;
2630	mpDrv->IConnector.cx = 0;
2631	mpDrv->IConnector.cy = 0;
2632	}
2633	}
2634
2635	/**
2636	* Changes the current frame buffer. Called on EMT to avoid both
2637	* race conditions and excessive locking.
2638	*
2639	* @note locks this object for writing
2640	* @thread EMT
2641	*/
2642	/* static */
2643	DECLCALLBACK(int) Display::changeFramebuffer (Display that, IFramebuffer aFB,
2644	unsigned uScreenId)
2645	{
2646	LogFlowFunc (("uScreenId = %d\n", uScreenId));
2647
2648	AssertReturn(that, VERR_INVALID_PARAMETER);
2649	AssertReturn(uScreenId < that->mcMonitors, VERR_INVALID_PARAMETER);
2650
2651	AutoCaller autoCaller(that);
2652	if (FAILED(autoCaller.rc())) return autoCaller.rc();
2653
2654	AutoWriteLock alock(that COMMA_LOCKVAL_SRC_POS);
2655
2656	DISPLAYFBINFO *pDisplayFBInfo = &that->maFramebuffers[uScreenId];
2657	pDisplayFBInfo->pFramebuffer = aFB;
2658
2659	that->mParent->consoleVRDPServer()->SendResize ();
2660
2661	that->updateDisplayData (true /* aCheckParams */);
2662
2663	return VINF_SUCCESS;
2664	}
2665
2666	/**
2667	* Handle display resize event issued by the VGA device for the primary screen.
2668	*
2669	* @see PDMIDISPLAYCONNECTOR::pfnResize
2670	*/
2671	DECLCALLBACK(int) Display::displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface,
2672	uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy)
2673	{
2674	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2675
2676	LogFlowFunc (("bpp %d, pvVRAM %p, cbLine %d, cx %d, cy %d\n",
2677	bpp, pvVRAM, cbLine, cx, cy));
2678
2679	return pDrv->pDisplay->handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, bpp, pvVRAM, cbLine, cx, cy);
2680	}
2681
2682	/**
2683	* Handle display update.
2684	*
2685	* @see PDMIDISPLAYCONNECTOR::pfnUpdateRect
2686	*/
2687	DECLCALLBACK(void) Display::displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
2688	uint32_t x, uint32_t y, uint32_t cx, uint32_t cy)
2689	{
2690	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2691
2692	#ifdef DEBUG_sunlover
2693	LogFlowFunc (("mfVideoAccelEnabled = %d, %d,%d %dx%d\n",
2694	pDrv->pDisplay->mfVideoAccelEnabled, x, y, cx, cy));
2695	#endif /* DEBUG_sunlover */
2696
2697	/* This call does update regardless of VBVA status.
2698	* But in VBVA mode this is called only as result of
2699	* pfnUpdateDisplayAll in the VGA device.
2700	*/
2701
2702	pDrv->pDisplay->handleDisplayUpdate(x, y, cx, cy);
2703	}
2704
2705	/**
2706	* Periodic display refresh callback.
2707	*
2708	* @see PDMIDISPLAYCONNECTOR::pfnRefresh
2709	*/
2710	DECLCALLBACK(void) Display::displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface)
2711	{
2712	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2713
2714	#ifdef DEBUG_sunlover
2715	STAM_PROFILE_START(&StatDisplayRefresh, a);
2716	#endif /* DEBUG_sunlover */
2717
2718	#ifdef DEBUG_sunlover_2
2719	LogFlowFunc (("pDrv->pDisplay->mfVideoAccelEnabled = %d\n",
2720	pDrv->pDisplay->mfVideoAccelEnabled));
2721	#endif /* DEBUG_sunlover_2 */
2722
2723	Display *pDisplay = pDrv->pDisplay;
2724	bool fNoUpdate = false; /* Do not update the display if any of the framebuffers is being resized. */
2725	unsigned uScreenId;
2726
2727	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2728	{
2729	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
2730
2731	/* Check the resize status. The status can be checked normally because
2732	* the status affects only the EMT.
2733	*/
2734	uint32_t u32ResizeStatus = pFBInfo->u32ResizeStatus;
2735
2736	if (u32ResizeStatus == ResizeStatus_UpdateDisplayData)
2737	{
2738	LogFlowFunc (("ResizeStatus_UpdateDisplayData %d\n", uScreenId));
2739	fNoUpdate = true; /* Always set it here, because pfnUpdateDisplayAll can cause a new resize. */
2740	/* The framebuffer was resized and display data need to be updated. */
2741	pDisplay->handleResizeCompletedEMT ();
2742	if (pFBInfo->u32ResizeStatus != ResizeStatus_Void)
2743	{
2744	/* The resize status could be not Void here because a pending resize is issued. */
2745	continue;
2746	}
2747	/* Continue with normal processing because the status here is ResizeStatus_Void. */
2748	if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2749	{
2750	/* Repaint the display because VM continued to run during the framebuffer resize. */
2751	if (!pFBInfo->pFramebuffer.isNull())
2752	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2753	{
2754	pDisplay->vbvaLock();
2755	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
2756	pDrv->pUpPort->pfnUpdateDisplayAll(pDrv->pUpPort);
2757	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2758	pDisplay->vbvaUnlock();
2759	}
2760	#endif /* VBOX_WITH_OLD_VBVA_LOCK */
2761	}
2762	}
2763	else if (u32ResizeStatus == ResizeStatus_InProgress)
2764	{
2765	/* The framebuffer is being resized. Do not call the VGA device back. Immediately return. */
2766	LogFlowFunc (("ResizeStatus_InProcess\n"));
2767	fNoUpdate = true;
2768	continue;
2769	}
2770	}
2771
2772	if (!fNoUpdate)
2773	{
2774	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2775	int rc = pDisplay->videoAccelRefreshProcess();
2776
2777	if (rc != VINF_TRY_AGAIN) /* Means 'do nothing' here. */
2778	{
2779	if (rc == VWRN_INVALID_STATE)
2780	{
2781	/* No VBVA do a display update. */
2782	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN];
2783	if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
2784	{
2785	Assert(pDrv->IConnector.pu8Data);
2786	pDisplay->vbvaLock();
2787	pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
2788	pDisplay->vbvaUnlock();
2789	}
2790	}
2791
2792	/* Inform the VRDP server that the current display update sequence is
2793	* completed. At this moment the framebuffer memory contains a definite
2794	* image, that is synchronized with the orders already sent to VRDP client.
2795	* The server can now process redraw requests from clients or initial
2796	* fullscreen updates for new clients.
2797	*/
2798	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2799	{
2800	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
2801
2802	if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
2803	{
2804	Assert (pDisplay->mParent && pDisplay->mParent->consoleVRDPServer());
2805	pDisplay->mParent->consoleVRDPServer()->SendUpdate (uScreenId, NULL, 0);
2806	}
2807	}
2808	}
2809	#else
2810	if (pDisplay->mfPendingVideoAccelEnable)
2811	{
2812	/* Acceleration was enabled while machine was not yet running
2813	* due to restoring from saved state. Update entire display and
2814	* actually enable acceleration.
2815	*/
2816	Assert(pDisplay->mpPendingVbvaMemory);
2817
2818	/* Acceleration can not be yet enabled.*/
2819	Assert(pDisplay->mpVbvaMemory == NULL);
2820	Assert(!pDisplay->mfVideoAccelEnabled);
2821
2822	if (pDisplay->mfMachineRunning)
2823	{
2824	pDisplay->VideoAccelEnable (pDisplay->mfPendingVideoAccelEnable,
2825	pDisplay->mpPendingVbvaMemory);
2826
2827	/* Reset the pending state. */
2828	pDisplay->mfPendingVideoAccelEnable = false;
2829	pDisplay->mpPendingVbvaMemory = NULL;
2830	}
2831	}
2832	else
2833	{
2834	Assert(pDisplay->mpPendingVbvaMemory == NULL);
2835
2836	if (pDisplay->mfVideoAccelEnabled)
2837	{
2838	Assert(pDisplay->mpVbvaMemory);
2839	pDisplay->VideoAccelFlush ();
2840	}
2841	else
2842	{
2843	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN];
2844	if (!pFBInfo->pFramebuffer.isNull())
2845	{
2846	Assert(pDrv->IConnector.pu8Data);
2847	Assert(pFBInfo->u32ResizeStatus == ResizeStatus_Void);
2848	pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
2849	}
2850	}
2851
2852	/* Inform the VRDP server that the current display update sequence is
2853	* completed. At this moment the framebuffer memory contains a definite
2854	* image, that is synchronized with the orders already sent to VRDP client.
2855	* The server can now process redraw requests from clients or initial
2856	* fullscreen updates for new clients.
2857	*/
2858	for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2859	{
2860	DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
2861
2862	if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
2863	{
2864	Assert (pDisplay->mParent && pDisplay->mParent->consoleVRDPServer());
2865	pDisplay->mParent->consoleVRDPServer()->SendUpdate (uScreenId, NULL, 0);
2866	}
2867	}
2868	}
2869	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2870	}
2871
2872	#ifdef DEBUG_sunlover
2873	STAM_PROFILE_STOP(&StatDisplayRefresh, a);
2874	#endif /* DEBUG_sunlover */
2875	#ifdef DEBUG_sunlover_2
2876	LogFlowFunc (("leave\n"));
2877	#endif /* DEBUG_sunlover_2 */
2878	}
2879
2880	/**
2881	* Reset notification
2882	*
2883	* @see PDMIDISPLAYCONNECTOR::pfnReset
2884	*/
2885	DECLCALLBACK(void) Display::displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface)
2886	{
2887	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2888
2889	LogFlowFunc (("\n"));
2890
2891	/* Disable VBVA mode. */
2892	pDrv->pDisplay->VideoAccelEnable (false, NULL);
2893	}
2894
2895	/**
2896	* LFBModeChange notification
2897	*
2898	* @see PDMIDISPLAYCONNECTOR::pfnLFBModeChange
2899	*/
2900	DECLCALLBACK(void) Display::displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled)
2901	{
2902	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2903
2904	LogFlowFunc (("fEnabled=%d\n", fEnabled));
2905
2906	NOREF(fEnabled);
2907
2908	/* Disable VBVA mode in any case. The guest driver reenables VBVA mode if necessary. */
2909	#ifdef VBOX_WITH_OLD_VBVA_LOCK
2910	/* This is called under DevVGA lock. Postpone disabling VBVA, do it in the refresh timer. */
2911	ASMAtomicWriteU32(&pDrv->pDisplay->mfu32PendingVideoAccelDisable, true);
2912	#else
2913	pDrv->pDisplay->VideoAccelEnable (false, NULL);
2914	#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
2915	}
2916
2917	/**
2918	* Adapter information change notification.
2919	*
2920	* @see PDMIDISPLAYCONNECTOR::pfnProcessAdapterData
2921	*/
2922	DECLCALLBACK(void) Display::displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, uint32_t u32VRAMSize)
2923	{
2924	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
2925
2926	if (pvVRAM == NULL)
2927	{
2928	unsigned i;
2929	for (i = 0; i < pDrv->pDisplay->mcMonitors; i++)
2930	{
2931	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[i];
2932
2933	pFBInfo->u32Offset = 0;
2934	pFBInfo->u32MaxFramebufferSize = 0;
2935	pFBInfo->u32InformationSize = 0;
2936	}
2937	}
2938	#ifndef VBOX_WITH_HGSMI
2939	else
2940	{
2941	uint8_t pu8 = (uint8_t )pvVRAM;
2942	pu8 += u32VRAMSize - VBOX_VIDEO_ADAPTER_INFORMATION_SIZE;
2943
2944	// @todo
2945	uint8_t *pu8End = pu8 + VBOX_VIDEO_ADAPTER_INFORMATION_SIZE;
2946
2947	VBOXVIDEOINFOHDR *pHdr;
2948
2949	for (;;)
2950	{
2951	pHdr = (VBOXVIDEOINFOHDR *)pu8;
2952	pu8 += sizeof (VBOXVIDEOINFOHDR);
2953
2954	if (pu8 >= pu8End)
2955	{
2956	LogRel(("VBoxVideo: Guest adapter information overflow!!!\n"));
2957	break;
2958	}
2959
2960	if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_DISPLAY)
2961	{
2962	if (pHdr->u16Length != sizeof (VBOXVIDEOINFODISPLAY))
2963	{
2964	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "DISPLAY", pHdr->u16Length));
2965	break;
2966	}
2967
2968	VBOXVIDEOINFODISPLAY pDisplay = (VBOXVIDEOINFODISPLAY )pu8;
2969
2970	if (pDisplay->u32Index >= pDrv->pDisplay->mcMonitors)
2971	{
2972	LogRel(("VBoxVideo: Guest adapter information invalid display index %d!!!\n", pDisplay->u32Index));
2973	break;
2974	}
2975
2976	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[pDisplay->u32Index];
2977
2978	pFBInfo->u32Offset = pDisplay->u32Offset;
2979	pFBInfo->u32MaxFramebufferSize = pDisplay->u32FramebufferSize;
2980	pFBInfo->u32InformationSize = pDisplay->u32InformationSize;
2981
2982	LogFlow(("VBOX_VIDEO_INFO_TYPE_DISPLAY: %d: at 0x%08X, size 0x%08X, info 0x%08X\n", pDisplay->u32Index, pDisplay->u32Offset, pDisplay->u32FramebufferSize, pDisplay->u32InformationSize));
2983	}
2984	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_QUERY_CONF32)
2985	{
2986	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOQUERYCONF32))
2987	{
2988	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "CONF32", pHdr->u16Length));
2989	break;
2990	}
2991
2992	VBOXVIDEOINFOQUERYCONF32 pConf32 = (VBOXVIDEOINFOQUERYCONF32 )pu8;
2993
2994	switch (pConf32->u32Index)
2995	{
2996	case VBOX_VIDEO_QCI32_MONITOR_COUNT:
2997	{
2998	pConf32->u32Value = pDrv->pDisplay->mcMonitors;
2999	} break;
3000
3001	case VBOX_VIDEO_QCI32_OFFSCREEN_HEAP_SIZE:
3002	{
3003	/* @todo make configurable. */
3004	pConf32->u32Value = _1M;
3005	} break;
3006
3007	default:
3008	LogRel(("VBoxVideo: CONF32 %d not supported!!! Skipping.\n", pConf32->u32Index));
3009	}
3010	}
3011	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
3012	{
3013	if (pHdr->u16Length != 0)
3014	{
3015	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
3016	break;
3017	}
3018
3019	break;
3020	}
3021	else if (pHdr->u8Type != VBOX_VIDEO_INFO_TYPE_NV_HEAP) /** @todo why is Additions/WINNT/Graphics/Miniport/VBoxVideo.cpp pushing this to us? */
3022	{
3023	LogRel(("Guest adapter information contains unsupported type %d. The block has been skipped.\n", pHdr->u8Type));
3024	}
3025
3026	pu8 += pHdr->u16Length;
3027	}
3028	}
3029	#endif /* !VBOX_WITH_HGSMI */
3030	}
3031
3032	/**
3033	* Display information change notification.
3034	*
3035	* @see PDMIDISPLAYCONNECTOR::pfnProcessDisplayData
3036	*/
3037	DECLCALLBACK(void) Display::displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, unsigned uScreenId)
3038	{
3039	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3040
3041	if (uScreenId >= pDrv->pDisplay->mcMonitors)
3042	{
3043	LogRel(("VBoxVideo: Guest display information invalid display index %d!!!\n", uScreenId));
3044	return;
3045	}
3046
3047	/* Get the display information structure. */
3048	DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[uScreenId];
3049
3050	uint8_t pu8 = (uint8_t )pvVRAM;
3051	pu8 += pFBInfo->u32Offset + pFBInfo->u32MaxFramebufferSize;
3052
3053	// @todo
3054	uint8_t *pu8End = pu8 + pFBInfo->u32InformationSize;
3055
3056	VBOXVIDEOINFOHDR *pHdr;
3057
3058	for (;;)
3059	{
3060	pHdr = (VBOXVIDEOINFOHDR *)pu8;
3061	pu8 += sizeof (VBOXVIDEOINFOHDR);
3062
3063	if (pu8 >= pu8End)
3064	{
3065	LogRel(("VBoxVideo: Guest display information overflow!!!\n"));
3066	break;
3067	}
3068
3069	if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_SCREEN)
3070	{
3071	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOSCREEN))
3072	{
3073	LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "SCREEN", pHdr->u16Length));
3074	break;
3075	}
3076
3077	VBOXVIDEOINFOSCREEN pScreen = (VBOXVIDEOINFOSCREEN )pu8;
3078
3079	pFBInfo->xOrigin = pScreen->xOrigin;
3080	pFBInfo->yOrigin = pScreen->yOrigin;
3081
3082	pFBInfo->w = pScreen->u16Width;
3083	pFBInfo->h = pScreen->u16Height;
3084
3085	LogFlow(("VBOX_VIDEO_INFO_TYPE_SCREEN: (%p) %d: at %d,%d, linesize 0x%X, size %dx%d, bpp %d, flags 0x%02X\n",
3086	pHdr, uScreenId, pScreen->xOrigin, pScreen->yOrigin, pScreen->u32LineSize, pScreen->u16Width, pScreen->u16Height, pScreen->bitsPerPixel, pScreen->u8Flags));
3087
3088	if (uScreenId != VBOX_VIDEO_PRIMARY_SCREEN)
3089	{
3090	/* Primary screen resize is initiated by the VGA device. */
3091	pDrv->pDisplay->handleDisplayResize(uScreenId, pScreen->bitsPerPixel, (uint8_t *)pvVRAM + pFBInfo->u32Offset, pScreen->u32LineSize, pScreen->u16Width, pScreen->u16Height);
3092	}
3093	}
3094	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
3095	{
3096	if (pHdr->u16Length != 0)
3097	{
3098	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
3099	break;
3100	}
3101
3102	break;
3103	}
3104	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_HOST_EVENTS)
3105	{
3106	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOHOSTEVENTS))
3107	{
3108	LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "HOST_EVENTS", pHdr->u16Length));
3109	break;
3110	}
3111
3112	VBOXVIDEOINFOHOSTEVENTS pHostEvents = (VBOXVIDEOINFOHOSTEVENTS )pu8;
3113
3114	pFBInfo->pHostEvents = pHostEvents;
3115
3116	LogFlow(("VBOX_VIDEO_INFO_TYPE_HOSTEVENTS: (%p)\n",
3117	pHostEvents));
3118	}
3119	else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_LINK)
3120	{
3121	if (pHdr->u16Length != sizeof (VBOXVIDEOINFOLINK))
3122	{
3123	LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "LINK", pHdr->u16Length));
3124	break;
3125	}
3126
3127	VBOXVIDEOINFOLINK pLink = (VBOXVIDEOINFOLINK )pu8;
3128	pu8 += pLink->i32Offset;
3129	}
3130	else
3131	{
3132	LogRel(("Guest display information contains unsupported type %d\n", pHdr->u8Type));
3133	}
3134
3135	pu8 += pHdr->u16Length;
3136	}
3137	}
3138
3139	#ifdef VBOX_WITH_VIDEOHWACCEL
3140
3141	void Display::handleVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand)
3142	{
3143	unsigned id = (unsigned)pCommand->iDisplay;
3144	int rc = VINF_SUCCESS;
3145	if(id < mcMonitors)
3146	{
3147	IFramebuffer *pFramebuffer = maFramebuffers[id].pFramebuffer;
3148
3149	if (pFramebuffer != NULL)
3150	{
3151	pFramebuffer->Lock();
3152
3153	HRESULT hr = pFramebuffer->ProcessVHWACommand((BYTE*)pCommand);
3154	if(FAILED(hr))
3155	{
3156	rc = (hr == E_NOTIMPL) ? VERR_NOT_IMPLEMENTED : VERR_GENERAL_FAILURE;
3157	}
3158
3159	pFramebuffer->Unlock();
3160	}
3161	else
3162	{
3163	rc = VERR_NOT_IMPLEMENTED;
3164	}
3165	}
3166	else
3167	{
3168	rc = VERR_INVALID_PARAMETER;
3169	}
3170
3171	if(RT_FAILURE(rc))
3172	{
3173	/* tell the guest the command is complete */
3174	pCommand->Flags &= (~VBOXVHWACMD_FLAG_HG_ASYNCH);
3175	pCommand->rc = rc;
3176	}
3177	}
3178
3179	DECLCALLBACK(void) Display::displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand)
3180	{
3181	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3182
3183	pDrv->pDisplay->handleVHWACommandProcess(pInterface, pCommand);
3184	}
3185	#endif
3186
3187	#ifdef VBOX_WITH_HGSMI
3188	DECLCALLBACK(int) Display::displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, PVBVAHOSTFLAGS pHostFlags)
3189	{
3190	LogFlowFunc(("uScreenId %d\n", uScreenId));
3191
3192	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3193	Display *pThis = pDrv->pDisplay;
3194
3195	pThis->maFramebuffers[uScreenId].fVBVAEnabled = true;
3196	pThis->maFramebuffers[uScreenId].pVBVAHostFlags = pHostFlags;
3197
3198	vbvaSetMemoryFlagsHGSMI(uScreenId, pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, &pThis->maFramebuffers[uScreenId]);
3199
3200	return VINF_SUCCESS;
3201	}
3202
3203	DECLCALLBACK(void) Display::displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3204	{
3205	LogFlowFunc(("uScreenId %d\n", uScreenId));
3206
3207	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3208	Display *pThis = pDrv->pDisplay;
3209
3210	pThis->maFramebuffers[uScreenId].fVBVAEnabled = false;
3211
3212	vbvaSetMemoryFlagsHGSMI(uScreenId, 0, false, &pThis->maFramebuffers[uScreenId]);
3213
3214	pThis->maFramebuffers[uScreenId].pVBVAHostFlags = NULL;
3215	}
3216
3217	DECLCALLBACK(void) Display::displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3218	{
3219	LogFlowFunc(("uScreenId %d\n", uScreenId));
3220
3221	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3222	Display *pThis = pDrv->pDisplay;
3223	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3224
3225	if (ASMAtomicReadU32(&pThis->mu32UpdateVBVAFlags) > 0)
3226	{
3227	vbvaSetMemoryFlagsAllHGSMI(pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, pThis->maFramebuffers, pThis->mcMonitors);
3228	ASMAtomicDecU32(&pThis->mu32UpdateVBVAFlags);
3229	}
3230
3231	if (RT_LIKELY(pFBInfo->u32ResizeStatus == ResizeStatus_Void))
3232	{
3233	if (RT_UNLIKELY(pFBInfo->cVBVASkipUpdate != 0))
3234	{
3235	/* Some updates were skipped. Note: displayVBVAUpdate* callbacks are called
3236	* under display device lock, so thread safe.
3237	*/
3238	pFBInfo->cVBVASkipUpdate = 0;
3239	pThis->handleDisplayUpdate(pFBInfo->vbvaSkippedRect.xLeft,
3240	pFBInfo->vbvaSkippedRect.yTop,
3241	pFBInfo->vbvaSkippedRect.xRight - pFBInfo->vbvaSkippedRect.xLeft,
3242	pFBInfo->vbvaSkippedRect.yBottom - pFBInfo->vbvaSkippedRect.yTop);
3243	}
3244	}
3245	else
3246	{
3247	/* The framebuffer is being resized. */
3248	pFBInfo->cVBVASkipUpdate++;
3249	}
3250	}
3251
3252	DECLCALLBACK(void) Display::displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, const PVBVACMDHDR pCmd, size_t cbCmd)
3253	{
3254	LogFlowFunc(("uScreenId %d pCmd %p cbCmd %d\n", uScreenId, pCmd, cbCmd));
3255
3256	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3257	Display *pThis = pDrv->pDisplay;
3258	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3259
3260	if (RT_LIKELY(pFBInfo->cVBVASkipUpdate == 0))
3261	{
3262	if (pFBInfo->fDefaultFormat)
3263	{
3264	pDrv->pUpPort->pfnUpdateDisplayRect (pDrv->pUpPort, pCmd->x, pCmd->y, pCmd->w, pCmd->h);
3265	pThis->handleDisplayUpdate (pCmd->x + pFBInfo->xOrigin,
3266	pCmd->y + pFBInfo->yOrigin, pCmd->w, pCmd->h);
3267	}
3268
3269	pThis->mParent->consoleVRDPServer()->SendUpdate (uScreenId, pCmd, cbCmd);
3270	}
3271	}
3272
3273	DECLCALLBACK(void) Display::displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y, uint32_t cx, uint32_t cy)
3274	{
3275	LogFlowFunc(("uScreenId %d %d,%d %dx%d\n", uScreenId, x, y, cx, cy));
3276
3277	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3278	Display *pThis = pDrv->pDisplay;
3279	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3280
3281	/* @todo handleFramebufferUpdate (uScreenId,
3282	* x - pThis->maFramebuffers[uScreenId].xOrigin,
3283	* y - pThis->maFramebuffers[uScreenId].yOrigin,
3284	* cx, cy);
3285	*/
3286	if (RT_LIKELY(pFBInfo->cVBVASkipUpdate == 0))
3287	{
3288	pThis->handleDisplayUpdate(x, y, cx, cy);
3289	}
3290	else
3291	{
3292	/* Save the updated rectangle. */
3293	int32_t xRight = x + cx;
3294	int32_t yBottom = y + cy;
3295
3296	if (pFBInfo->cVBVASkipUpdate == 1)
3297	{
3298	pFBInfo->vbvaSkippedRect.xLeft = x;
3299	pFBInfo->vbvaSkippedRect.yTop = y;
3300	pFBInfo->vbvaSkippedRect.xRight = xRight;
3301	pFBInfo->vbvaSkippedRect.yBottom = yBottom;
3302	}
3303	else
3304	{
3305	if (pFBInfo->vbvaSkippedRect.xLeft > x)
3306	{
3307	pFBInfo->vbvaSkippedRect.xLeft = x;
3308	}
3309	if (pFBInfo->vbvaSkippedRect.yTop > y)
3310	{
3311	pFBInfo->vbvaSkippedRect.yTop = y;
3312	}
3313	if (pFBInfo->vbvaSkippedRect.xRight < xRight)
3314	{
3315	pFBInfo->vbvaSkippedRect.xRight = xRight;
3316	}
3317	if (pFBInfo->vbvaSkippedRect.yBottom < yBottom)
3318	{
3319	pFBInfo->vbvaSkippedRect.yBottom = yBottom;
3320	}
3321	}
3322	}
3323	}
3324
3325	DECLCALLBACK(int) Display::displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, void *pvVRAM)
3326	{
3327	LogFlowFunc(("pScreen %p, pvVRAM %p\n", pScreen, pvVRAM));
3328
3329	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3330	Display *pThis = pDrv->pDisplay;
3331
3332	DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[pScreen->u32ViewIndex];
3333
3334	pFBInfo->u32Offset = pView->u32ViewOffset; /* Not used in HGSMI. */
3335	pFBInfo->u32MaxFramebufferSize = pView->u32MaxScreenSize; /* Not used in HGSMI. */
3336	pFBInfo->u32InformationSize = 0; /* Not used in HGSMI. */
3337
3338	pFBInfo->xOrigin = pScreen->i32OriginX;
3339	pFBInfo->yOrigin = pScreen->i32OriginY;
3340
3341	pFBInfo->w = pScreen->u32Width;
3342	pFBInfo->h = pScreen->u32Height;
3343
3344	return pThis->handleDisplayResize(pScreen->u32ViewIndex, pScreen->u16BitsPerPixel,
3345	(uint8_t *)pvVRAM + pScreen->u32StartOffset,
3346	pScreen->u32LineSize, pScreen->u32Width, pScreen->u32Height);
3347	}
3348
3349	DECLCALLBACK(int) Display::displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
3350	uint32_t xHot, uint32_t yHot,
3351	uint32_t cx, uint32_t cy,
3352	const void *pvShape)
3353	{
3354	LogFlowFunc(("\n"));
3355
3356	PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3357	Display *pThis = pDrv->pDisplay;
3358
3359	/* Tell the console about it */
3360	pDrv->pDisplay->mParent->onMousePointerShapeChange(fVisible, fAlpha,
3361	xHot, yHot, cx, cy, (void *)pvShape);
3362
3363	return VINF_SUCCESS;
3364	}
3365	#endif /* VBOX_WITH_HGSMI */
3366
3367	/**
3368	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
3369	*/
3370	DECLCALLBACK(void ) Display::drvQueryInterface(PPDMIBASE pInterface, const char pszIID)
3371	{
3372	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
3373	PDRVMAINDISPLAY pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3374	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
3375	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIDISPLAYCONNECTOR, &pDrv->IConnector);
3376	return NULL;
3377	}
3378
3379
3380	/**
3381	* Destruct a display driver instance.
3382	*
3383	* @returns VBox status.
3384	* @param pDrvIns The driver instance data.
3385	*/
3386	DECLCALLBACK(void) Display::drvDestruct(PPDMDRVINS pDrvIns)
3387	{
3388	PDRVMAINDISPLAY pData = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3389	LogFlowFunc (("iInstance=%d\n", pDrvIns->iInstance));
3390	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
3391
3392	if (pData->pDisplay)
3393	{
3394	AutoWriteLock displayLock(pData->pDisplay COMMA_LOCKVAL_SRC_POS);
3395	pData->pDisplay->mpDrv = NULL;
3396	pData->pDisplay->mpVMMDev = NULL;
3397	pData->pDisplay->mLastAddress = NULL;
3398	pData->pDisplay->mLastBytesPerLine = 0;
3399	pData->pDisplay->mLastBitsPerPixel = 0,
3400	pData->pDisplay->mLastWidth = 0;
3401	pData->pDisplay->mLastHeight = 0;
3402	}
3403	}
3404
3405
3406	/**
3407	* Construct a display driver instance.
3408	*
3409	* @copydoc FNPDMDRVCONSTRUCT
3410	*/
3411	DECLCALLBACK(int) Display::drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
3412	{
3413	PDRVMAINDISPLAY pData = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
3414	LogFlowFunc (("iInstance=%d\n", pDrvIns->iInstance));
3415	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
3416
3417	/*
3418	* Validate configuration.
3419	*/
3420	if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
3421	return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
3422	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
3423	("Configuration error: Not possible to attach anything to this driver!\n"),
3424	VERR_PDM_DRVINS_NO_ATTACH);
3425
3426	/*
3427	* Init Interfaces.
3428	*/
3429	pDrvIns->IBase.pfnQueryInterface = Display::drvQueryInterface;
3430
3431	pData->IConnector.pfnResize = Display::displayResizeCallback;
3432	pData->IConnector.pfnUpdateRect = Display::displayUpdateCallback;
3433	pData->IConnector.pfnRefresh = Display::displayRefreshCallback;
3434	pData->IConnector.pfnReset = Display::displayResetCallback;
3435	pData->IConnector.pfnLFBModeChange = Display::displayLFBModeChangeCallback;
3436	pData->IConnector.pfnProcessAdapterData = Display::displayProcessAdapterDataCallback;
3437	pData->IConnector.pfnProcessDisplayData = Display::displayProcessDisplayDataCallback;
3438	#ifdef VBOX_WITH_VIDEOHWACCEL
3439	pData->IConnector.pfnVHWACommandProcess = Display::displayVHWACommandProcess;
3440	#endif
3441	#ifdef VBOX_WITH_HGSMI
3442	pData->IConnector.pfnVBVAEnable = Display::displayVBVAEnable;
3443	pData->IConnector.pfnVBVADisable = Display::displayVBVADisable;
3444	pData->IConnector.pfnVBVAUpdateBegin = Display::displayVBVAUpdateBegin;
3445	pData->IConnector.pfnVBVAUpdateProcess = Display::displayVBVAUpdateProcess;
3446	pData->IConnector.pfnVBVAUpdateEnd = Display::displayVBVAUpdateEnd;
3447	pData->IConnector.pfnVBVAResize = Display::displayVBVAResize;
3448	pData->IConnector.pfnVBVAMousePointerShape = Display::displayVBVAMousePointerShape;
3449	#endif
3450
3451
3452	/*
3453	* Get the IDisplayPort interface of the above driver/device.
3454	*/
3455	pData->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYPORT);
3456	if (!pData->pUpPort)
3457	{
3458	AssertMsgFailed(("Configuration error: No display port interface above!\n"));
3459	return VERR_PDM_MISSING_INTERFACE_ABOVE;
3460	}
3461	#if defined(VBOX_WITH_VIDEOHWACCEL)
3462	pData->pVBVACallbacks = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYVBVACALLBACKS);
3463	if (!pData->pVBVACallbacks)
3464	{
3465	AssertMsgFailed(("Configuration error: No VBVA callback interface above!\n"));
3466	return VERR_PDM_MISSING_INTERFACE_ABOVE;
3467	}
3468	#endif
3469	/*
3470	* Get the Display object pointer and update the mpDrv member.
3471	*/
3472	void *pv;
3473	int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
3474	if (RT_FAILURE(rc))
3475	{
3476	AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
3477	return rc;
3478	}
3479	pData->pDisplay = (Display )pv; /* @todo Check this cast! */
3480	pData->pDisplay->mpDrv = pData;
3481
3482	/*
3483	* Update our display information according to the framebuffer
3484	*/
3485	pData->pDisplay->updateDisplayData();
3486
3487	/*
3488	* Start periodic screen refreshes
3489	*/
3490	pData->pUpPort->pfnSetRefreshRate(pData->pUpPort, 20);
3491
3492	return VINF_SUCCESS;
3493	}
3494
3495
3496	/**
3497	* Display driver registration record.
3498	*/
3499	const PDMDRVREG Display::DrvReg =
3500	{
3501	/* u32Version */
3502	PDM_DRVREG_VERSION,
3503	/* szName */
3504	"MainDisplay",
3505	/* szRCMod */
3506	"",
3507	/* szR0Mod */
3508	"",
3509	/* pszDescription */
3510	"Main display driver (Main as in the API).",
3511	/* fFlags */
3512	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
3513	/* fClass. */
3514	PDM_DRVREG_CLASS_DISPLAY,
3515	/* cMaxInstances */
3516	~0,
3517	/* cbInstance */
3518	sizeof(DRVMAINDISPLAY),
3519	/* pfnConstruct */
3520	Display::drvConstruct,
3521	/* pfnDestruct */
3522	Display::drvDestruct,
3523	/* pfnRelocate */
3524	NULL,
3525	/* pfnIOCtl */
3526	NULL,
3527	/* pfnPowerOn */
3528	NULL,
3529	/* pfnReset */
3530	NULL,
3531	/* pfnSuspend */
3532	NULL,
3533	/* pfnResume */
3534	NULL,
3535	/* pfnAttach */
3536	NULL,
3537	/* pfnDetach */
3538	NULL,
3539	/* pfnPowerOff */
3540	NULL,
3541	/* pfnSoftReset */
3542	NULL,
3543	/* u32EndVersion */
3544	PDM_DRVREG_VERSION
3545	};
3546	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/DisplayImpl.cpp@ 27166

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