VirtualBox

source: vbox/trunk/src/VBox/Main/src-client/DisplayImpl.cpp@ 39336

Last change on this file since 39336 was 39288, checked in by vboxsync, 13 years ago

CrOpenGL: avoid blocked client polling & extra memcpy (block hgsmi command until completion)

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1/* $Id: DisplayImpl.cpp 39288 2011-11-14 09:58:38Z vboxsync $ */
2/** @file
3 * VirtualBox COM class implementation
4 */
5
6/*
7 * Copyright (C) 2006-2010 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#include "DisplayImpl.h"
19#include "DisplayUtils.h"
20#include "ConsoleImpl.h"
21#include "ConsoleVRDPServer.h"
22#include "VMMDev.h"
23
24#include "AutoCaller.h"
25#include "Logging.h"
26
27/* generated header */
28#include "VBoxEvents.h"
29
30#include <iprt/semaphore.h>
31#include <iprt/thread.h>
32#include <iprt/asm.h>
33#include <iprt/cpp/utils.h>
34
35#include <VBox/vmm/pdmdrv.h>
36#ifdef DEBUG /* for VM_ASSERT_EMT(). */
37# include <VBox/vmm/vm.h>
38#endif
39
40#ifdef VBOX_WITH_VIDEOHWACCEL
41# include <VBox/VBoxVideo.h>
42#endif
43
44#if defined(VBOX_WITH_CROGL) || defined(VBOX_WITH_CRHGSMI)
45# include <VBox/HostServices/VBoxCrOpenGLSvc.h>
46#endif
47
48#include <VBox/com/array.h>
49
50/**
51 * Display driver instance data.
52 *
53 * @implements PDMIDISPLAYCONNECTOR
54 */
55typedef struct DRVMAINDISPLAY
56{
57 /** Pointer to the display object. */
58 Display *pDisplay;
59 /** Pointer to the driver instance structure. */
60 PPDMDRVINS pDrvIns;
61 /** Pointer to the keyboard port interface of the driver/device above us. */
62 PPDMIDISPLAYPORT pUpPort;
63 /** Our display connector interface. */
64 PDMIDISPLAYCONNECTOR IConnector;
65#if defined(VBOX_WITH_VIDEOHWACCEL) || defined(VBOX_WITH_CRHGSMI)
66 /** VBVA callbacks */
67 PPDMIDISPLAYVBVACALLBACKS pVBVACallbacks;
68#endif
69} DRVMAINDISPLAY, *PDRVMAINDISPLAY;
70
71/** Converts PDMIDISPLAYCONNECTOR pointer to a DRVMAINDISPLAY pointer. */
72#define PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface) RT_FROM_MEMBER(pInterface, DRVMAINDISPLAY, IConnector)
73
74#ifdef DEBUG_sunlover
75static STAMPROFILE StatDisplayRefresh;
76static int stam = 0;
77#endif /* DEBUG_sunlover */
78
79// constructor / destructor
80/////////////////////////////////////////////////////////////////////////////
81
82Display::Display()
83 : mParent(NULL)
84{
85}
86
87Display::~Display()
88{
89}
90
91
92HRESULT Display::FinalConstruct()
93{
94 mpVbvaMemory = NULL;
95 mfVideoAccelEnabled = false;
96 mfVideoAccelVRDP = false;
97 mfu32SupportedOrders = 0;
98 mcVideoAccelVRDPRefs = 0;
99
100 mpPendingVbvaMemory = NULL;
101 mfPendingVideoAccelEnable = false;
102
103 mfMachineRunning = false;
104
105 mpu8VbvaPartial = NULL;
106 mcbVbvaPartial = 0;
107
108 mpDrv = NULL;
109 mpVMMDev = NULL;
110 mfVMMDevInited = false;
111
112 mLastAddress = NULL;
113 mLastBytesPerLine = 0;
114 mLastBitsPerPixel = 0,
115 mLastWidth = 0;
116 mLastHeight = 0;
117
118 int rc = RTCritSectInit(&mVBVALock);
119 AssertRC(rc);
120 mfu32PendingVideoAccelDisable = false;
121
122#ifdef VBOX_WITH_HGSMI
123 mu32UpdateVBVAFlags = 0;
124#endif
125
126 return BaseFinalConstruct();
127}
128
129void Display::FinalRelease()
130{
131 uninit();
132
133 if (RTCritSectIsInitialized (&mVBVALock))
134 {
135 RTCritSectDelete (&mVBVALock);
136 memset (&mVBVALock, 0, sizeof (mVBVALock));
137 }
138 BaseFinalRelease();
139}
140
141// public initializer/uninitializer for internal purposes only
142/////////////////////////////////////////////////////////////////////////////
143
144#define kMaxSizeThumbnail 64
145
146/**
147 * Save thumbnail and screenshot of the guest screen.
148 */
149static int displayMakeThumbnail(uint8_t *pu8Data, uint32_t cx, uint32_t cy,
150 uint8_t **ppu8Thumbnail, uint32_t *pcbThumbnail, uint32_t *pcxThumbnail, uint32_t *pcyThumbnail)
151{
152 int rc = VINF_SUCCESS;
153
154 uint8_t *pu8Thumbnail = NULL;
155 uint32_t cbThumbnail = 0;
156 uint32_t cxThumbnail = 0;
157 uint32_t cyThumbnail = 0;
158
159 if (cx > cy)
160 {
161 cxThumbnail = kMaxSizeThumbnail;
162 cyThumbnail = (kMaxSizeThumbnail * cy) / cx;
163 }
164 else
165 {
166 cyThumbnail = kMaxSizeThumbnail;
167 cxThumbnail = (kMaxSizeThumbnail * cx) / cy;
168 }
169
170 LogRelFlowFunc(("%dx%d -> %dx%d\n", cx, cy, cxThumbnail, cyThumbnail));
171
172 cbThumbnail = cxThumbnail * 4 * cyThumbnail;
173 pu8Thumbnail = (uint8_t *)RTMemAlloc(cbThumbnail);
174
175 if (pu8Thumbnail)
176 {
177 uint8_t *dst = pu8Thumbnail;
178 uint8_t *src = pu8Data;
179 int dstW = cxThumbnail;
180 int dstH = cyThumbnail;
181 int srcW = cx;
182 int srcH = cy;
183 int iDeltaLine = cx * 4;
184
185 BitmapScale32 (dst,
186 dstW, dstH,
187 src,
188 iDeltaLine,
189 srcW, srcH);
190
191 *ppu8Thumbnail = pu8Thumbnail;
192 *pcbThumbnail = cbThumbnail;
193 *pcxThumbnail = cxThumbnail;
194 *pcyThumbnail = cyThumbnail;
195 }
196 else
197 {
198 rc = VERR_NO_MEMORY;
199 }
200
201 return rc;
202}
203
204DECLCALLBACK(void)
205Display::displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser)
206{
207 Display *that = static_cast<Display*>(pvUser);
208
209 /* 32bpp small RGB image. */
210 uint8_t *pu8Thumbnail = NULL;
211 uint32_t cbThumbnail = 0;
212 uint32_t cxThumbnail = 0;
213 uint32_t cyThumbnail = 0;
214
215 /* PNG screenshot. */
216 uint8_t *pu8PNG = NULL;
217 uint32_t cbPNG = 0;
218 uint32_t cxPNG = 0;
219 uint32_t cyPNG = 0;
220
221 Console::SafeVMPtr pVM (that->mParent);
222 if (SUCCEEDED(pVM.rc()))
223 {
224 /* Query RGB bitmap. */
225 uint8_t *pu8Data = NULL;
226 size_t cbData = 0;
227 uint32_t cx = 0;
228 uint32_t cy = 0;
229
230 /* SSM code is executed on EMT(0), therefore no need to use VMR3ReqCallWait. */
231 int rc = Display::displayTakeScreenshotEMT(that, VBOX_VIDEO_PRIMARY_SCREEN, &pu8Data, &cbData, &cx, &cy);
232
233 /*
234 * It is possible that success is returned but everything is 0 or NULL.
235 * (no display attached if a VM is running with VBoxHeadless on OSE for example)
236 */
237 if (RT_SUCCESS(rc) && pu8Data)
238 {
239 Assert(cx && cy);
240
241 /* Prepare a small thumbnail and a PNG screenshot. */
242 displayMakeThumbnail(pu8Data, cx, cy, &pu8Thumbnail, &cbThumbnail, &cxThumbnail, &cyThumbnail);
243 DisplayMakePNG(pu8Data, cx, cy, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 1);
244
245 /* This can be called from any thread. */
246 that->mpDrv->pUpPort->pfnFreeScreenshot (that->mpDrv->pUpPort, pu8Data);
247 }
248 }
249 else
250 {
251 LogFunc(("Failed to get VM pointer 0x%x\n", pVM.rc()));
252 }
253
254 /* Regardless of rc, save what is available:
255 * Data format:
256 * uint32_t cBlocks;
257 * [blocks]
258 *
259 * Each block is:
260 * uint32_t cbBlock; if 0 - no 'block data'.
261 * uint32_t typeOfBlock; 0 - 32bpp RGB bitmap, 1 - PNG, ignored if 'cbBlock' is 0.
262 * [block data]
263 *
264 * Block data for bitmap and PNG:
265 * uint32_t cx;
266 * uint32_t cy;
267 * [image data]
268 */
269 SSMR3PutU32(pSSM, 2); /* Write thumbnail and PNG screenshot. */
270
271 /* First block. */
272 SSMR3PutU32(pSSM, cbThumbnail + 2 * sizeof (uint32_t));
273 SSMR3PutU32(pSSM, 0); /* Block type: thumbnail. */
274
275 if (cbThumbnail)
276 {
277 SSMR3PutU32(pSSM, cxThumbnail);
278 SSMR3PutU32(pSSM, cyThumbnail);
279 SSMR3PutMem(pSSM, pu8Thumbnail, cbThumbnail);
280 }
281
282 /* Second block. */
283 SSMR3PutU32(pSSM, cbPNG + 2 * sizeof (uint32_t));
284 SSMR3PutU32(pSSM, 1); /* Block type: png. */
285
286 if (cbPNG)
287 {
288 SSMR3PutU32(pSSM, cxPNG);
289 SSMR3PutU32(pSSM, cyPNG);
290 SSMR3PutMem(pSSM, pu8PNG, cbPNG);
291 }
292
293 RTMemFree(pu8PNG);
294 RTMemFree(pu8Thumbnail);
295}
296
297DECLCALLBACK(int)
298Display::displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
299{
300 Display *that = static_cast<Display*>(pvUser);
301
302 if (uVersion != sSSMDisplayScreenshotVer)
303 return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
304 Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
305
306 /* Skip data. */
307 uint32_t cBlocks;
308 int rc = SSMR3GetU32(pSSM, &cBlocks);
309 AssertRCReturn(rc, rc);
310
311 for (uint32_t i = 0; i < cBlocks; i++)
312 {
313 uint32_t cbBlock;
314 rc = SSMR3GetU32(pSSM, &cbBlock);
315 AssertRCBreak(rc);
316
317 uint32_t typeOfBlock;
318 rc = SSMR3GetU32(pSSM, &typeOfBlock);
319 AssertRCBreak(rc);
320
321 LogRelFlowFunc(("[%d] type %d, size %d bytes\n", i, typeOfBlock, cbBlock));
322
323 /* Note: displaySSMSaveScreenshot writes size of a block = 8 and
324 * do not write any data if the image size was 0.
325 * @todo Fix and increase saved state version.
326 */
327 if (cbBlock > 2 * sizeof (uint32_t))
328 {
329 rc = SSMR3Skip(pSSM, cbBlock);
330 AssertRCBreak(rc);
331 }
332 }
333
334 return rc;
335}
336
337/**
338 * Save/Load some important guest state
339 */
340DECLCALLBACK(void)
341Display::displaySSMSave(PSSMHANDLE pSSM, void *pvUser)
342{
343 Display *that = static_cast<Display*>(pvUser);
344
345 SSMR3PutU32(pSSM, that->mcMonitors);
346 for (unsigned i = 0; i < that->mcMonitors; i++)
347 {
348 SSMR3PutU32(pSSM, that->maFramebuffers[i].u32Offset);
349 SSMR3PutU32(pSSM, that->maFramebuffers[i].u32MaxFramebufferSize);
350 SSMR3PutU32(pSSM, that->maFramebuffers[i].u32InformationSize);
351 SSMR3PutU32(pSSM, that->maFramebuffers[i].w);
352 SSMR3PutU32(pSSM, that->maFramebuffers[i].h);
353 SSMR3PutS32(pSSM, that->maFramebuffers[i].xOrigin);
354 SSMR3PutS32(pSSM, that->maFramebuffers[i].yOrigin);
355 SSMR3PutU32(pSSM, that->maFramebuffers[i].flags);
356 }
357}
358
359DECLCALLBACK(int)
360Display::displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
361{
362 Display *that = static_cast<Display*>(pvUser);
363
364 if (!( uVersion == sSSMDisplayVer
365 || uVersion == sSSMDisplayVer2
366 || uVersion == sSSMDisplayVer3))
367 return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
368 Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
369
370 uint32_t cMonitors;
371 int rc = SSMR3GetU32(pSSM, &cMonitors);
372 if (cMonitors != that->mcMonitors)
373 return SSMR3SetCfgError(pSSM, RT_SRC_POS, N_("Number of monitors changed (%d->%d)!"), cMonitors, that->mcMonitors);
374
375 for (uint32_t i = 0; i < cMonitors; i++)
376 {
377 SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32Offset);
378 SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32MaxFramebufferSize);
379 SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32InformationSize);
380 if ( uVersion == sSSMDisplayVer2
381 || uVersion == sSSMDisplayVer3)
382 {
383 uint32_t w;
384 uint32_t h;
385 SSMR3GetU32(pSSM, &w);
386 SSMR3GetU32(pSSM, &h);
387 that->maFramebuffers[i].w = w;
388 that->maFramebuffers[i].h = h;
389 }
390 if (uVersion == sSSMDisplayVer3)
391 {
392 int32_t xOrigin;
393 int32_t yOrigin;
394 uint32_t flags;
395 SSMR3GetS32(pSSM, &xOrigin);
396 SSMR3GetS32(pSSM, &yOrigin);
397 SSMR3GetU32(pSSM, &flags);
398 that->maFramebuffers[i].xOrigin = xOrigin;
399 that->maFramebuffers[i].yOrigin = yOrigin;
400 that->maFramebuffers[i].flags = (uint16_t)flags;
401 }
402 }
403
404 return VINF_SUCCESS;
405}
406
407/**
408 * Initializes the display object.
409 *
410 * @returns COM result indicator
411 * @param parent handle of our parent object
412 * @param qemuConsoleData address of common console data structure
413 */
414HRESULT Display::init (Console *aParent)
415{
416 LogRelFlowFunc(("this=%p: aParent=%p\n", this, aParent));
417
418 ComAssertRet(aParent, E_INVALIDARG);
419
420 /* Enclose the state transition NotReady->InInit->Ready */
421 AutoInitSpan autoInitSpan(this);
422 AssertReturn(autoInitSpan.isOk(), E_FAIL);
423
424 unconst(mParent) = aParent;
425
426 // by default, we have an internal framebuffer which is
427 // NULL, i.e. a black hole for no display output
428 mFramebufferOpened = false;
429
430 ULONG ul;
431 mParent->machine()->COMGETTER(MonitorCount)(&ul);
432 mcMonitors = ul;
433
434 for (ul = 0; ul < mcMonitors; ul++)
435 {
436 maFramebuffers[ul].u32Offset = 0;
437 maFramebuffers[ul].u32MaxFramebufferSize = 0;
438 maFramebuffers[ul].u32InformationSize = 0;
439
440 maFramebuffers[ul].pFramebuffer = NULL;
441 maFramebuffers[ul].fDisabled = false;
442
443 maFramebuffers[ul].xOrigin = 0;
444 maFramebuffers[ul].yOrigin = 0;
445
446 maFramebuffers[ul].w = 0;
447 maFramebuffers[ul].h = 0;
448
449 maFramebuffers[ul].flags = 0;
450
451 maFramebuffers[ul].u16BitsPerPixel = 0;
452 maFramebuffers[ul].pu8FramebufferVRAM = NULL;
453 maFramebuffers[ul].u32LineSize = 0;
454
455 maFramebuffers[ul].pHostEvents = NULL;
456
457 maFramebuffers[ul].u32ResizeStatus = ResizeStatus_Void;
458
459 maFramebuffers[ul].fDefaultFormat = false;
460
461 memset (&maFramebuffers[ul].dirtyRect, 0 , sizeof (maFramebuffers[ul].dirtyRect));
462 memset (&maFramebuffers[ul].pendingResize, 0 , sizeof (maFramebuffers[ul].pendingResize));
463#ifdef VBOX_WITH_HGSMI
464 maFramebuffers[ul].fVBVAEnabled = false;
465 maFramebuffers[ul].cVBVASkipUpdate = 0;
466 memset (&maFramebuffers[ul].vbvaSkippedRect, 0, sizeof (maFramebuffers[ul].vbvaSkippedRect));
467 maFramebuffers[ul].pVBVAHostFlags = NULL;
468#endif /* VBOX_WITH_HGSMI */
469 }
470
471 {
472 // register listener for state change events
473 ComPtr<IEventSource> es;
474 mParent->COMGETTER(EventSource)(es.asOutParam());
475 com::SafeArray <VBoxEventType_T> eventTypes;
476 eventTypes.push_back(VBoxEventType_OnStateChanged);
477 es->RegisterListener(this, ComSafeArrayAsInParam(eventTypes), true);
478 }
479
480 /* Confirm a successful initialization */
481 autoInitSpan.setSucceeded();
482
483 return S_OK;
484}
485
486/**
487 * Uninitializes the instance and sets the ready flag to FALSE.
488 * Called either from FinalRelease() or by the parent when it gets destroyed.
489 */
490void Display::uninit()
491{
492 LogRelFlowFunc(("this=%p\n", this));
493
494 /* Enclose the state transition Ready->InUninit->NotReady */
495 AutoUninitSpan autoUninitSpan(this);
496 if (autoUninitSpan.uninitDone())
497 return;
498
499 ULONG ul;
500 for (ul = 0; ul < mcMonitors; ul++)
501 maFramebuffers[ul].pFramebuffer = NULL;
502
503 if (mParent)
504 {
505 ComPtr<IEventSource> es;
506 mParent->COMGETTER(EventSource)(es.asOutParam());
507 es->UnregisterListener(this);
508 }
509
510 unconst(mParent) = NULL;
511
512 if (mpDrv)
513 mpDrv->pDisplay = NULL;
514
515 mpDrv = NULL;
516 mpVMMDev = NULL;
517 mfVMMDevInited = true;
518}
519
520/**
521 * Register the SSM methods. Called by the power up thread to be able to
522 * pass pVM
523 */
524int Display::registerSSM(PVM pVM)
525{
526 /* Version 2 adds width and height of the framebuffer; version 3 adds
527 * the framebuffer offset in the virtual desktop and the framebuffer flags.
528 */
529 int rc = SSMR3RegisterExternal(pVM, "DisplayData", 0, sSSMDisplayVer3,
530 mcMonitors * sizeof(uint32_t) * 8 + sizeof(uint32_t),
531 NULL, NULL, NULL,
532 NULL, displaySSMSave, NULL,
533 NULL, displaySSMLoad, NULL, this);
534 AssertRCReturn(rc, rc);
535
536 /*
537 * Register loaders for old saved states where iInstance was
538 * 3 * sizeof(uint32_t *) due to a code mistake.
539 */
540 rc = SSMR3RegisterExternal(pVM, "DisplayData", 12 /*uInstance*/, sSSMDisplayVer, 0 /*cbGuess*/,
541 NULL, NULL, NULL,
542 NULL, NULL, NULL,
543 NULL, displaySSMLoad, NULL, this);
544 AssertRCReturn(rc, rc);
545
546 rc = SSMR3RegisterExternal(pVM, "DisplayData", 24 /*uInstance*/, sSSMDisplayVer, 0 /*cbGuess*/,
547 NULL, NULL, NULL,
548 NULL, NULL, NULL,
549 NULL, displaySSMLoad, NULL, this);
550 AssertRCReturn(rc, rc);
551
552 /* uInstance is an arbitrary value greater than 1024. Such a value will ensure a quick seek in saved state file. */
553 rc = SSMR3RegisterExternal(pVM, "DisplayScreenshot", 1100 /*uInstance*/, sSSMDisplayScreenshotVer, 0 /*cbGuess*/,
554 NULL, NULL, NULL,
555 NULL, displaySSMSaveScreenshot, NULL,
556 NULL, displaySSMLoadScreenshot, NULL, this);
557
558 AssertRCReturn(rc, rc);
559
560 return VINF_SUCCESS;
561}
562
563// IEventListener method
564STDMETHODIMP Display::HandleEvent(IEvent * aEvent)
565{
566 VBoxEventType_T aType = VBoxEventType_Invalid;
567
568 aEvent->COMGETTER(Type)(&aType);
569 switch (aType)
570 {
571 case VBoxEventType_OnStateChanged:
572 {
573 ComPtr<IStateChangedEvent> scev = aEvent;
574 Assert(scev);
575 MachineState_T machineState;
576 scev->COMGETTER(State)(&machineState);
577 if ( machineState == MachineState_Running
578 || machineState == MachineState_Teleporting
579 || machineState == MachineState_LiveSnapshotting
580 )
581 {
582 LogRelFlowFunc(("Machine is running.\n"));
583
584 mfMachineRunning = true;
585 }
586 else
587 mfMachineRunning = false;
588 break;
589 }
590 default:
591 AssertFailed();
592 }
593
594 return S_OK;
595}
596
597// public methods only for internal purposes
598/////////////////////////////////////////////////////////////////////////////
599
600/**
601 * @thread EMT
602 */
603static int callFramebufferResize (IFramebuffer *pFramebuffer, unsigned uScreenId,
604 ULONG pixelFormat, void *pvVRAM,
605 uint32_t bpp, uint32_t cbLine,
606 int w, int h)
607{
608 Assert (pFramebuffer);
609
610 /* Call the framebuffer to try and set required pixelFormat. */
611 BOOL finished = TRUE;
612
613 pFramebuffer->RequestResize (uScreenId, pixelFormat, (BYTE *) pvVRAM,
614 bpp, cbLine, w, h, &finished);
615
616 if (!finished)
617 {
618 LogRelFlowFunc (("External framebuffer wants us to wait!\n"));
619 return VINF_VGA_RESIZE_IN_PROGRESS;
620 }
621
622 return VINF_SUCCESS;
623}
624
625/**
626 * Handles display resize event.
627 * Disables access to VGA device;
628 * calls the framebuffer RequestResize method;
629 * if framebuffer resizes synchronously,
630 * updates the display connector data and enables access to the VGA device.
631 *
632 * @param w New display width
633 * @param h New display height
634 *
635 * @thread EMT
636 */
637int Display::handleDisplayResize (unsigned uScreenId, uint32_t bpp, void *pvVRAM,
638 uint32_t cbLine, int w, int h, uint16_t flags)
639{
640 LogRel (("Display::handleDisplayResize(): uScreenId = %d, pvVRAM=%p "
641 "w=%d h=%d bpp=%d cbLine=0x%X, flags=0x%X\n",
642 uScreenId, pvVRAM, w, h, bpp, cbLine, flags));
643
644 /* If there is no framebuffer, this call is not interesting. */
645 if ( uScreenId >= mcMonitors
646 || maFramebuffers[uScreenId].pFramebuffer.isNull())
647 {
648 return VINF_SUCCESS;
649 }
650
651 mLastAddress = pvVRAM;
652 mLastBytesPerLine = cbLine;
653 mLastBitsPerPixel = bpp,
654 mLastWidth = w;
655 mLastHeight = h;
656 mLastFlags = flags;
657
658 ULONG pixelFormat;
659
660 switch (bpp)
661 {
662 case 32:
663 case 24:
664 case 16:
665 pixelFormat = FramebufferPixelFormat_FOURCC_RGB;
666 break;
667 default:
668 pixelFormat = FramebufferPixelFormat_Opaque;
669 bpp = cbLine = 0;
670 break;
671 }
672
673 /* Atomically set the resize status before calling the framebuffer. The new InProgress status will
674 * disable access to the VGA device by the EMT thread.
675 */
676 bool f = ASMAtomicCmpXchgU32 (&maFramebuffers[uScreenId].u32ResizeStatus,
677 ResizeStatus_InProgress, ResizeStatus_Void);
678 if (!f)
679 {
680 /* This could be a result of the screenshot taking call Display::TakeScreenShot:
681 * if the framebuffer is processing the resize request and GUI calls the TakeScreenShot
682 * and the guest has reprogrammed the virtual VGA devices again so a new resize is required.
683 *
684 * Save the resize information and return the pending status code.
685 *
686 * Note: the resize information is only accessed on EMT so no serialization is required.
687 */
688 LogRel (("Display::handleDisplayResize(): Warning: resize postponed.\n"));
689
690 maFramebuffers[uScreenId].pendingResize.fPending = true;
691 maFramebuffers[uScreenId].pendingResize.pixelFormat = pixelFormat;
692 maFramebuffers[uScreenId].pendingResize.pvVRAM = pvVRAM;
693 maFramebuffers[uScreenId].pendingResize.bpp = bpp;
694 maFramebuffers[uScreenId].pendingResize.cbLine = cbLine;
695 maFramebuffers[uScreenId].pendingResize.w = w;
696 maFramebuffers[uScreenId].pendingResize.h = h;
697 maFramebuffers[uScreenId].pendingResize.flags = flags;
698
699 return VINF_VGA_RESIZE_IN_PROGRESS;
700 }
701
702 int rc = callFramebufferResize (maFramebuffers[uScreenId].pFramebuffer, uScreenId,
703 pixelFormat, pvVRAM, bpp, cbLine, w, h);
704 if (rc == VINF_VGA_RESIZE_IN_PROGRESS)
705 {
706 /* Immediately return to the caller. ResizeCompleted will be called back by the
707 * GUI thread. The ResizeCompleted callback will change the resize status from
708 * InProgress to UpdateDisplayData. The latter status will be checked by the
709 * display timer callback on EMT and all required adjustments will be done there.
710 */
711 return rc;
712 }
713
714 /* Set the status so the 'handleResizeCompleted' would work. */
715 f = ASMAtomicCmpXchgU32 (&maFramebuffers[uScreenId].u32ResizeStatus,
716 ResizeStatus_UpdateDisplayData, ResizeStatus_InProgress);
717 AssertRelease(f);NOREF(f);
718
719 AssertRelease(!maFramebuffers[uScreenId].pendingResize.fPending);
720
721 /* The method also unlocks the framebuffer. */
722 handleResizeCompletedEMT();
723
724 return VINF_SUCCESS;
725}
726
727/**
728 * Framebuffer has been resized.
729 * Read the new display data and unlock the framebuffer.
730 *
731 * @thread EMT
732 */
733void Display::handleResizeCompletedEMT (void)
734{
735 LogRelFlowFunc(("\n"));
736
737 unsigned uScreenId;
738 for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
739 {
740 DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
741
742 /* Try to into non resizing state. */
743 bool f = ASMAtomicCmpXchgU32 (&pFBInfo->u32ResizeStatus, ResizeStatus_Void, ResizeStatus_UpdateDisplayData);
744
745 if (f == false)
746 {
747 /* This is not the display that has completed resizing. */
748 continue;
749 }
750
751 /* Check whether a resize is pending for this framebuffer. */
752 if (pFBInfo->pendingResize.fPending)
753 {
754 /* Reset the condition, call the display resize with saved data and continue.
755 *
756 * Note: handleDisplayResize can call handleResizeCompletedEMT back,
757 * but infinite recursion is not possible, because when the handleResizeCompletedEMT
758 * is called, the pFBInfo->pendingResize.fPending is equal to false.
759 */
760 pFBInfo->pendingResize.fPending = false;
761 handleDisplayResize (uScreenId, pFBInfo->pendingResize.bpp, pFBInfo->pendingResize.pvVRAM,
762 pFBInfo->pendingResize.cbLine, pFBInfo->pendingResize.w, pFBInfo->pendingResize.h, pFBInfo->pendingResize.flags);
763 continue;
764 }
765
766 /* @todo Merge these two 'if's within one 'if (!pFBInfo->pFramebuffer.isNull())' */
767 if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && !pFBInfo->pFramebuffer.isNull())
768 {
769 /* Primary framebuffer has completed the resize. Update the connector data for VGA device. */
770 updateDisplayData();
771
772 /* Check the framebuffer pixel format to setup the rendering in VGA device. */
773 BOOL usesGuestVRAM = FALSE;
774 pFBInfo->pFramebuffer->COMGETTER(UsesGuestVRAM) (&usesGuestVRAM);
775
776 pFBInfo->fDefaultFormat = (usesGuestVRAM == FALSE);
777
778 /* If the primary framebuffer is disabled, tell the VGA device to not to copy
779 * pixels from VRAM to the framebuffer.
780 */
781 if (pFBInfo->fDisabled)
782 mpDrv->pUpPort->pfnSetRenderVRAM (mpDrv->pUpPort, false);
783 else
784 mpDrv->pUpPort->pfnSetRenderVRAM (mpDrv->pUpPort,
785 pFBInfo->fDefaultFormat);
786
787 /* If the screen resize was because of disabling, tell framebuffer to repaint.
788 * The framebuffer if now in default format so it will not use guest VRAM
789 * and will show usually black image which is there after framebuffer resize.
790 */
791 if (pFBInfo->fDisabled)
792 pFBInfo->pFramebuffer->NotifyUpdate(0, 0, mpDrv->IConnector.cx, mpDrv->IConnector.cy);
793 }
794 else if (!pFBInfo->pFramebuffer.isNull())
795 {
796 BOOL usesGuestVRAM = FALSE;
797 pFBInfo->pFramebuffer->COMGETTER(UsesGuestVRAM) (&usesGuestVRAM);
798
799 pFBInfo->fDefaultFormat = (usesGuestVRAM == FALSE);
800
801 /* If the screen resize was because of disabling, tell framebuffer to repaint.
802 * The framebuffer if now in default format so it will not use guest VRAM
803 * and will show usually black image which is there after framebuffer resize.
804 */
805 if (pFBInfo->fDisabled)
806 pFBInfo->pFramebuffer->NotifyUpdate(0, 0, pFBInfo->w, pFBInfo->h);
807 }
808 LogRelFlow(("[%d]: default format %d\n", uScreenId, pFBInfo->fDefaultFormat));
809
810#ifdef DEBUG_sunlover
811 if (!stam)
812 {
813 /* protect mpVM */
814 Console::SafeVMPtr pVM (mParent);
815 AssertComRC (pVM.rc());
816
817 STAM_REG(pVM, &StatDisplayRefresh, STAMTYPE_PROFILE, "/PROF/Display/Refresh", STAMUNIT_TICKS_PER_CALL, "Time spent in EMT for display updates.");
818 stam = 1;
819 }
820#endif /* DEBUG_sunlover */
821
822 /* Inform VRDP server about the change of display parameters. */
823 LogRelFlowFunc (("Calling VRDP\n"));
824 mParent->consoleVRDPServer()->SendResize();
825
826#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
827 {
828 BOOL is3denabled;
829 mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
830
831 if (is3denabled)
832 {
833 VBOXHGCMSVCPARM parm;
834
835 parm.type = VBOX_HGCM_SVC_PARM_32BIT;
836 parm.u.uint32 = uScreenId;
837
838 VMMDev *pVMMDev = mParent->getVMMDev();
839 if (pVMMDev)
840 pVMMDev->hgcmHostCall("VBoxSharedCrOpenGL", SHCRGL_HOST_FN_SCREEN_CHANGED, SHCRGL_CPARMS_SCREEN_CHANGED, &parm);
841 }
842 }
843#endif /* VBOX_WITH_CROGL */
844 }
845}
846
847static void checkCoordBounds (int *px, int *py, int *pw, int *ph, int cx, int cy)
848{
849 /* Correct negative x and y coordinates. */
850 if (*px < 0)
851 {
852 *px += *pw; /* Compute xRight which is also the new width. */
853
854 *pw = (*px < 0)? 0: *px;
855
856 *px = 0;
857 }
858
859 if (*py < 0)
860 {
861 *py += *ph; /* Compute xBottom, which is also the new height. */
862
863 *ph = (*py < 0)? 0: *py;
864
865 *py = 0;
866 }
867
868 /* Also check if coords are greater than the display resolution. */
869 if (*px + *pw > cx)
870 {
871 *pw = cx > *px? cx - *px: 0;
872 }
873
874 if (*py + *ph > cy)
875 {
876 *ph = cy > *py? cy - *py: 0;
877 }
878}
879
880unsigned mapCoordsToScreen(DISPLAYFBINFO *pInfos, unsigned cInfos, int *px, int *py, int *pw, int *ph)
881{
882 DISPLAYFBINFO *pInfo = pInfos;
883 unsigned uScreenId;
884 LogSunlover (("mapCoordsToScreen: %d,%d %dx%d\n", *px, *py, *pw, *ph));
885 for (uScreenId = 0; uScreenId < cInfos; uScreenId++, pInfo++)
886 {
887 LogSunlover ((" [%d] %d,%d %dx%d\n", uScreenId, pInfo->xOrigin, pInfo->yOrigin, pInfo->w, pInfo->h));
888 if ( (pInfo->xOrigin <= *px && *px < pInfo->xOrigin + (int)pInfo->w)
889 && (pInfo->yOrigin <= *py && *py < pInfo->yOrigin + (int)pInfo->h))
890 {
891 /* The rectangle belongs to the screen. Correct coordinates. */
892 *px -= pInfo->xOrigin;
893 *py -= pInfo->yOrigin;
894 LogSunlover ((" -> %d,%d", *px, *py));
895 break;
896 }
897 }
898 if (uScreenId == cInfos)
899 {
900 /* Map to primary screen. */
901 uScreenId = 0;
902 }
903 LogSunlover ((" scr %d\n", uScreenId));
904 return uScreenId;
905}
906
907
908/**
909 * Handles display update event.
910 *
911 * @param x Update area x coordinate
912 * @param y Update area y coordinate
913 * @param w Update area width
914 * @param h Update area height
915 *
916 * @thread EMT
917 */
918void Display::handleDisplayUpdateLegacy (int x, int y, int w, int h)
919{
920 unsigned uScreenId = mapCoordsToScreen(maFramebuffers, mcMonitors, &x, &y, &w, &h);
921
922#ifdef DEBUG_sunlover
923 LogFlowFunc (("%d,%d %dx%d (checked)\n", x, y, w, h));
924#endif /* DEBUG_sunlover */
925
926 handleDisplayUpdate (uScreenId, x, y, w, h);
927}
928
929void Display::handleDisplayUpdate (unsigned uScreenId, int x, int y, int w, int h)
930{
931 /*
932 * Always runs under either VBVA lock or, for HGSMI, DevVGA lock.
933 * Safe to use VBVA vars and take the framebuffer lock.
934 */
935
936#ifdef DEBUG_sunlover
937 LogFlowFunc (("[%d] %d,%d %dx%d (%d,%d)\n",
938 uScreenId, x, y, w, h, mpDrv->IConnector.cx, mpDrv->IConnector.cy));
939#endif /* DEBUG_sunlover */
940
941 IFramebuffer *pFramebuffer = maFramebuffers[uScreenId].pFramebuffer;
942
943 // if there is no framebuffer, this call is not interesting
944 if ( pFramebuffer == NULL
945 || maFramebuffers[uScreenId].fDisabled)
946 return;
947
948 pFramebuffer->Lock();
949
950 if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
951 checkCoordBounds (&x, &y, &w, &h, mpDrv->IConnector.cx, mpDrv->IConnector.cy);
952 else
953 checkCoordBounds (&x, &y, &w, &h, maFramebuffers[uScreenId].w,
954 maFramebuffers[uScreenId].h);
955
956 if (w != 0 && h != 0)
957 pFramebuffer->NotifyUpdate(x, y, w, h);
958
959 pFramebuffer->Unlock();
960
961#ifndef VBOX_WITH_HGSMI
962 if (!mfVideoAccelEnabled)
963 {
964#else
965 if (!mfVideoAccelEnabled && !maFramebuffers[uScreenId].fVBVAEnabled)
966 {
967#endif /* VBOX_WITH_HGSMI */
968 /* When VBVA is enabled, the VRDP server is informed in the VideoAccelFlush.
969 * Inform the server here only if VBVA is disabled.
970 */
971 if (maFramebuffers[uScreenId].u32ResizeStatus == ResizeStatus_Void)
972 mParent->consoleVRDPServer()->SendUpdateBitmap(uScreenId, x, y, w, h);
973 }
974}
975
976/**
977 * Returns the upper left and lower right corners of the virtual framebuffer.
978 * The lower right is "exclusive" (i.e. first pixel beyond the framebuffer),
979 * and the origin is (0, 0), not (1, 1) like the GUI returns.
980 */
981void Display::getFramebufferDimensions(int32_t *px1, int32_t *py1,
982 int32_t *px2, int32_t *py2)
983{
984 int32_t x1 = 0, y1 = 0, x2 = 0, y2 = 0;
985 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
986
987 AssertPtrReturnVoid(px1);
988 AssertPtrReturnVoid(py1);
989 AssertPtrReturnVoid(px2);
990 AssertPtrReturnVoid(py2);
991 LogRelFlowFunc(("\n"));
992
993 if (!mpDrv)
994 return;
995 /* If VBVA is not in use then this flag will not be set and this
996 * will still work as it should. */
997 if (!(maFramebuffers[0].fDisabled))
998 {
999 x1 = (int32_t)maFramebuffers[0].xOrigin;
1000 y1 = (int32_t)maFramebuffers[0].yOrigin;
1001 x2 = mpDrv->IConnector.cx + (int32_t)maFramebuffers[0].xOrigin;
1002 y2 = mpDrv->IConnector.cy + (int32_t)maFramebuffers[0].yOrigin;
1003 }
1004 for (unsigned i = 1; i < mcMonitors; ++i)
1005 {
1006 if (!(maFramebuffers[i].fDisabled))
1007 {
1008 x1 = RT_MIN(x1, maFramebuffers[i].xOrigin);
1009 y1 = RT_MIN(y1, maFramebuffers[i].yOrigin);
1010 x2 = RT_MAX(x2, maFramebuffers[i].xOrigin
1011 + (int32_t)maFramebuffers[i].w);
1012 y2 = RT_MAX(y2, maFramebuffers[i].yOrigin
1013 + (int32_t)maFramebuffers[i].h);
1014 }
1015 }
1016 *px1 = x1;
1017 *py1 = y1;
1018 *px2 = x2;
1019 *py2 = y2;
1020}
1021
1022static bool displayIntersectRect(RTRECT *prectResult,
1023 const RTRECT *prect1,
1024 const RTRECT *prect2)
1025{
1026 /* Initialize result to an empty record. */
1027 memset (prectResult, 0, sizeof (RTRECT));
1028
1029 int xLeftResult = RT_MAX(prect1->xLeft, prect2->xLeft);
1030 int xRightResult = RT_MIN(prect1->xRight, prect2->xRight);
1031
1032 if (xLeftResult < xRightResult)
1033 {
1034 /* There is intersection by X. */
1035
1036 int yTopResult = RT_MAX(prect1->yTop, prect2->yTop);
1037 int yBottomResult = RT_MIN(prect1->yBottom, prect2->yBottom);
1038
1039 if (yTopResult < yBottomResult)
1040 {
1041 /* There is intersection by Y. */
1042
1043 prectResult->xLeft = xLeftResult;
1044 prectResult->yTop = yTopResult;
1045 prectResult->xRight = xRightResult;
1046 prectResult->yBottom = yBottomResult;
1047
1048 return true;
1049 }
1050 }
1051
1052 return false;
1053}
1054
1055int Display::handleSetVisibleRegion(uint32_t cRect, PRTRECT pRect)
1056{
1057 RTRECT *pVisibleRegion = (RTRECT *)RTMemTmpAlloc( RT_MAX(cRect, 1)
1058 * sizeof (RTRECT));
1059 if (!pVisibleRegion)
1060 {
1061 return VERR_NO_TMP_MEMORY;
1062 }
1063
1064 unsigned uScreenId;
1065 for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1066 {
1067 DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1068
1069 if (!pFBInfo->pFramebuffer.isNull())
1070 {
1071 /* Prepare a new array of rectangles which intersect with the framebuffer.
1072 */
1073 RTRECT rectFramebuffer;
1074 if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1075 {
1076 rectFramebuffer.xLeft = 0;
1077 rectFramebuffer.yTop = 0;
1078 if (mpDrv)
1079 {
1080 rectFramebuffer.xRight = mpDrv->IConnector.cx;
1081 rectFramebuffer.yBottom = mpDrv->IConnector.cy;
1082 }
1083 else
1084 {
1085 rectFramebuffer.xRight = 0;
1086 rectFramebuffer.yBottom = 0;
1087 }
1088 }
1089 else
1090 {
1091 rectFramebuffer.xLeft = pFBInfo->xOrigin;
1092 rectFramebuffer.yTop = pFBInfo->yOrigin;
1093 rectFramebuffer.xRight = pFBInfo->xOrigin + pFBInfo->w;
1094 rectFramebuffer.yBottom = pFBInfo->yOrigin + pFBInfo->h;
1095 }
1096
1097 uint32_t cRectVisibleRegion = 0;
1098
1099 uint32_t i;
1100 for (i = 0; i < cRect; i++)
1101 {
1102 if (displayIntersectRect(&pVisibleRegion[cRectVisibleRegion], &pRect[i], &rectFramebuffer))
1103 {
1104 pVisibleRegion[cRectVisibleRegion].xLeft -= pFBInfo->xOrigin;
1105 pVisibleRegion[cRectVisibleRegion].yTop -= pFBInfo->yOrigin;
1106 pVisibleRegion[cRectVisibleRegion].xRight -= pFBInfo->xOrigin;
1107 pVisibleRegion[cRectVisibleRegion].yBottom -= pFBInfo->yOrigin;
1108
1109 cRectVisibleRegion++;
1110 }
1111 }
1112
1113 pFBInfo->pFramebuffer->SetVisibleRegion((BYTE *)pVisibleRegion, cRectVisibleRegion);
1114 }
1115 }
1116
1117#if defined(RT_OS_DARWIN) && defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
1118 // @todo fix for multimonitor
1119 BOOL is3denabled = FALSE;
1120
1121 mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
1122
1123 VMMDev *vmmDev = mParent->getVMMDev();
1124 if (is3denabled && vmmDev)
1125 {
1126 VBOXHGCMSVCPARM parms[2];
1127
1128 parms[0].type = VBOX_HGCM_SVC_PARM_PTR;
1129 parms[0].u.pointer.addr = pRect;
1130 parms[0].u.pointer.size = 0; /* We don't actually care. */
1131 parms[1].type = VBOX_HGCM_SVC_PARM_32BIT;
1132 parms[1].u.uint32 = cRect;
1133
1134 vmmDev->hgcmHostCall("VBoxSharedCrOpenGL", SHCRGL_HOST_FN_SET_VISIBLE_REGION, 2, &parms[0]);
1135 }
1136#endif
1137
1138 RTMemTmpFree(pVisibleRegion);
1139
1140 return VINF_SUCCESS;
1141}
1142
1143int Display::handleQueryVisibleRegion(uint32_t *pcRect, PRTRECT pRect)
1144{
1145 // @todo Currently not used by the guest and is not implemented in framebuffers. Remove?
1146 return VERR_NOT_SUPPORTED;
1147}
1148
1149typedef struct _VBVADIRTYREGION
1150{
1151 /* Copies of object's pointers used by vbvaRgn functions. */
1152 DISPLAYFBINFO *paFramebuffers;
1153 unsigned cMonitors;
1154 Display *pDisplay;
1155 PPDMIDISPLAYPORT pPort;
1156
1157} VBVADIRTYREGION;
1158
1159static void vbvaRgnInit (VBVADIRTYREGION *prgn, DISPLAYFBINFO *paFramebuffers, unsigned cMonitors, Display *pd, PPDMIDISPLAYPORT pp)
1160{
1161 prgn->paFramebuffers = paFramebuffers;
1162 prgn->cMonitors = cMonitors;
1163 prgn->pDisplay = pd;
1164 prgn->pPort = pp;
1165
1166 unsigned uScreenId;
1167 for (uScreenId = 0; uScreenId < cMonitors; uScreenId++)
1168 {
1169 DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1170
1171 memset (&pFBInfo->dirtyRect, 0, sizeof (pFBInfo->dirtyRect));
1172 }
1173}
1174
1175static void vbvaRgnDirtyRect (VBVADIRTYREGION *prgn, unsigned uScreenId, VBVACMDHDR *phdr)
1176{
1177 LogSunlover (("x = %d, y = %d, w = %d, h = %d\n",
1178 phdr->x, phdr->y, phdr->w, phdr->h));
1179
1180 /*
1181 * Here update rectangles are accumulated to form an update area.
1182 * @todo
1183 * Now the simplest method is used which builds one rectangle that
1184 * includes all update areas. A bit more advanced method can be
1185 * employed here. The method should be fast however.
1186 */
1187 if (phdr->w == 0 || phdr->h == 0)
1188 {
1189 /* Empty rectangle. */
1190 return;
1191 }
1192
1193 int32_t xRight = phdr->x + phdr->w;
1194 int32_t yBottom = phdr->y + phdr->h;
1195
1196 DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1197
1198 if (pFBInfo->dirtyRect.xRight == 0)
1199 {
1200 /* This is the first rectangle to be added. */
1201 pFBInfo->dirtyRect.xLeft = phdr->x;
1202 pFBInfo->dirtyRect.yTop = phdr->y;
1203 pFBInfo->dirtyRect.xRight = xRight;
1204 pFBInfo->dirtyRect.yBottom = yBottom;
1205 }
1206 else
1207 {
1208 /* Adjust region coordinates. */
1209 if (pFBInfo->dirtyRect.xLeft > phdr->x)
1210 {
1211 pFBInfo->dirtyRect.xLeft = phdr->x;
1212 }
1213
1214 if (pFBInfo->dirtyRect.yTop > phdr->y)
1215 {
1216 pFBInfo->dirtyRect.yTop = phdr->y;
1217 }
1218
1219 if (pFBInfo->dirtyRect.xRight < xRight)
1220 {
1221 pFBInfo->dirtyRect.xRight = xRight;
1222 }
1223
1224 if (pFBInfo->dirtyRect.yBottom < yBottom)
1225 {
1226 pFBInfo->dirtyRect.yBottom = yBottom;
1227 }
1228 }
1229
1230 if (pFBInfo->fDefaultFormat)
1231 {
1232 //@todo pfnUpdateDisplayRect must take the vram offset parameter for the framebuffer
1233 prgn->pPort->pfnUpdateDisplayRect (prgn->pPort, phdr->x, phdr->y, phdr->w, phdr->h);
1234 prgn->pDisplay->handleDisplayUpdateLegacy (phdr->x + pFBInfo->xOrigin,
1235 phdr->y + pFBInfo->yOrigin, phdr->w, phdr->h);
1236 }
1237
1238 return;
1239}
1240
1241static void vbvaRgnUpdateFramebuffer (VBVADIRTYREGION *prgn, unsigned uScreenId)
1242{
1243 DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
1244
1245 uint32_t w = pFBInfo->dirtyRect.xRight - pFBInfo->dirtyRect.xLeft;
1246 uint32_t h = pFBInfo->dirtyRect.yBottom - pFBInfo->dirtyRect.yTop;
1247
1248 if (!pFBInfo->fDefaultFormat && pFBInfo->pFramebuffer && w != 0 && h != 0)
1249 {
1250 //@todo pfnUpdateDisplayRect must take the vram offset parameter for the framebuffer
1251 prgn->pPort->pfnUpdateDisplayRect (prgn->pPort, pFBInfo->dirtyRect.xLeft, pFBInfo->dirtyRect.yTop, w, h);
1252 prgn->pDisplay->handleDisplayUpdateLegacy (pFBInfo->dirtyRect.xLeft + pFBInfo->xOrigin,
1253 pFBInfo->dirtyRect.yTop + pFBInfo->yOrigin, w, h);
1254 }
1255}
1256
1257static void vbvaSetMemoryFlags (VBVAMEMORY *pVbvaMemory,
1258 bool fVideoAccelEnabled,
1259 bool fVideoAccelVRDP,
1260 uint32_t fu32SupportedOrders,
1261 DISPLAYFBINFO *paFBInfos,
1262 unsigned cFBInfos)
1263{
1264 if (pVbvaMemory)
1265 {
1266 /* This called only on changes in mode. So reset VRDP always. */
1267 uint32_t fu32Flags = VBVA_F_MODE_VRDP_RESET;
1268
1269 if (fVideoAccelEnabled)
1270 {
1271 fu32Flags |= VBVA_F_MODE_ENABLED;
1272
1273 if (fVideoAccelVRDP)
1274 {
1275 fu32Flags |= VBVA_F_MODE_VRDP | VBVA_F_MODE_VRDP_ORDER_MASK;
1276
1277 pVbvaMemory->fu32SupportedOrders = fu32SupportedOrders;
1278 }
1279 }
1280
1281 pVbvaMemory->fu32ModeFlags = fu32Flags;
1282 }
1283
1284 unsigned uScreenId;
1285 for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1286 {
1287 if (paFBInfos[uScreenId].pHostEvents)
1288 {
1289 paFBInfos[uScreenId].pHostEvents->fu32Events |= VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1290 }
1291 }
1292}
1293
1294#ifdef VBOX_WITH_HGSMI
1295static void vbvaSetMemoryFlagsHGSMI (unsigned uScreenId,
1296 uint32_t fu32SupportedOrders,
1297 bool fVideoAccelVRDP,
1298 DISPLAYFBINFO *pFBInfo)
1299{
1300 LogRelFlowFunc(("HGSMI[%d]: %p\n", uScreenId, pFBInfo->pVBVAHostFlags));
1301
1302 if (pFBInfo->pVBVAHostFlags)
1303 {
1304 uint32_t fu32HostEvents = VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
1305
1306 if (pFBInfo->fVBVAEnabled)
1307 {
1308 fu32HostEvents |= VBVA_F_MODE_ENABLED;
1309
1310 if (fVideoAccelVRDP)
1311 {
1312 fu32HostEvents |= VBVA_F_MODE_VRDP;
1313 }
1314 }
1315
1316 ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32HostEvents, fu32HostEvents);
1317 ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32SupportedOrders, fu32SupportedOrders);
1318
1319 LogRelFlowFunc((" fu32HostEvents = 0x%08X, fu32SupportedOrders = 0x%08X\n", fu32HostEvents, fu32SupportedOrders));
1320 }
1321}
1322
1323static void vbvaSetMemoryFlagsAllHGSMI (uint32_t fu32SupportedOrders,
1324 bool fVideoAccelVRDP,
1325 DISPLAYFBINFO *paFBInfos,
1326 unsigned cFBInfos)
1327{
1328 unsigned uScreenId;
1329
1330 for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
1331 {
1332 vbvaSetMemoryFlagsHGSMI(uScreenId, fu32SupportedOrders, fVideoAccelVRDP, &paFBInfos[uScreenId]);
1333 }
1334}
1335#endif /* VBOX_WITH_HGSMI */
1336
1337bool Display::VideoAccelAllowed (void)
1338{
1339 return true;
1340}
1341
1342int Display::vbvaLock(void)
1343{
1344 return RTCritSectEnter(&mVBVALock);
1345}
1346
1347void Display::vbvaUnlock(void)
1348{
1349 RTCritSectLeave(&mVBVALock);
1350}
1351
1352/**
1353 * @thread EMT
1354 */
1355int Display::VideoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
1356{
1357 int rc;
1358 vbvaLock();
1359 rc = videoAccelEnable (fEnable, pVbvaMemory);
1360 vbvaUnlock();
1361 return rc;
1362}
1363
1364int Display::videoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
1365{
1366 int rc = VINF_SUCCESS;
1367
1368 /* Called each time the guest wants to use acceleration,
1369 * or when the VGA device disables acceleration,
1370 * or when restoring the saved state with accel enabled.
1371 *
1372 * VGA device disables acceleration on each video mode change
1373 * and on reset.
1374 *
1375 * Guest enabled acceleration at will. And it has to enable
1376 * acceleration after a mode change.
1377 */
1378 LogRelFlowFunc (("mfVideoAccelEnabled = %d, fEnable = %d, pVbvaMemory = %p\n",
1379 mfVideoAccelEnabled, fEnable, pVbvaMemory));
1380
1381 /* Strictly check parameters. Callers must not pass anything in the case. */
1382 Assert((fEnable && pVbvaMemory) || (!fEnable && pVbvaMemory == NULL));
1383
1384 if (!VideoAccelAllowed ())
1385 return VERR_NOT_SUPPORTED;
1386
1387 /*
1388 * Verify that the VM is in running state. If it is not,
1389 * then this must be postponed until it goes to running.
1390 */
1391 if (!mfMachineRunning)
1392 {
1393 Assert (!mfVideoAccelEnabled);
1394
1395 LogRelFlowFunc (("Machine is not yet running.\n"));
1396
1397 if (fEnable)
1398 {
1399 mfPendingVideoAccelEnable = fEnable;
1400 mpPendingVbvaMemory = pVbvaMemory;
1401 }
1402
1403 return rc;
1404 }
1405
1406 /* Check that current status is not being changed */
1407 if (mfVideoAccelEnabled == fEnable)
1408 return rc;
1409
1410 if (mfVideoAccelEnabled)
1411 {
1412 /* Process any pending orders and empty the VBVA ring buffer. */
1413 videoAccelFlush ();
1414 }
1415
1416 if (!fEnable && mpVbvaMemory)
1417 mpVbvaMemory->fu32ModeFlags &= ~VBVA_F_MODE_ENABLED;
1418
1419 /* Safety precaution. There is no more VBVA until everything is setup! */
1420 mpVbvaMemory = NULL;
1421 mfVideoAccelEnabled = false;
1422
1423 /* Update entire display. */
1424 if (maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].u32ResizeStatus == ResizeStatus_Void)
1425 mpDrv->pUpPort->pfnUpdateDisplayAll(mpDrv->pUpPort);
1426
1427 /* Everything OK. VBVA status can be changed. */
1428
1429 /* Notify the VMMDev, which saves VBVA status in the saved state,
1430 * and needs to know current status.
1431 */
1432 VMMDev *pVMMDev = mParent->getVMMDev();
1433 if (pVMMDev)
1434 {
1435 PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
1436 if (pVMMDevPort)
1437 pVMMDevPort->pfnVBVAChange(pVMMDevPort, fEnable);
1438 }
1439
1440 if (fEnable)
1441 {
1442 mpVbvaMemory = pVbvaMemory;
1443 mfVideoAccelEnabled = true;
1444
1445 /* Initialize the hardware memory. */
1446 vbvaSetMemoryFlags(mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
1447 mpVbvaMemory->off32Data = 0;
1448 mpVbvaMemory->off32Free = 0;
1449
1450 memset(mpVbvaMemory->aRecords, 0, sizeof (mpVbvaMemory->aRecords));
1451 mpVbvaMemory->indexRecordFirst = 0;
1452 mpVbvaMemory->indexRecordFree = 0;
1453
1454 mfu32PendingVideoAccelDisable = false;
1455
1456 LogRel(("VBVA: Enabled.\n"));
1457 }
1458 else
1459 {
1460 LogRel(("VBVA: Disabled.\n"));
1461 }
1462
1463 LogRelFlowFunc (("VideoAccelEnable: rc = %Rrc.\n", rc));
1464
1465 return rc;
1466}
1467
1468/* Called always by one VRDP server thread. Can be thread-unsafe.
1469 */
1470void Display::VideoAccelVRDP (bool fEnable)
1471{
1472 LogRelFlowFunc(("fEnable = %d\n", fEnable));
1473
1474 vbvaLock();
1475
1476 int c = fEnable?
1477 ASMAtomicIncS32 (&mcVideoAccelVRDPRefs):
1478 ASMAtomicDecS32 (&mcVideoAccelVRDPRefs);
1479
1480 Assert (c >= 0);
1481
1482 if (c == 0)
1483 {
1484 /* The last client has disconnected, and the accel can be
1485 * disabled.
1486 */
1487 Assert (fEnable == false);
1488
1489 mfVideoAccelVRDP = false;
1490 mfu32SupportedOrders = 0;
1491
1492 vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
1493#ifdef VBOX_WITH_HGSMI
1494 /* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1495 ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1496#endif /* VBOX_WITH_HGSMI */
1497
1498 LogRel(("VBVA: VRDP acceleration has been disabled.\n"));
1499 }
1500 else if ( c == 1
1501 && !mfVideoAccelVRDP)
1502 {
1503 /* The first client has connected. Enable the accel.
1504 */
1505 Assert (fEnable == true);
1506
1507 mfVideoAccelVRDP = true;
1508 /* Supporting all orders. */
1509 mfu32SupportedOrders = ~0;
1510
1511 vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
1512#ifdef VBOX_WITH_HGSMI
1513 /* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
1514 ASMAtomicIncU32(&mu32UpdateVBVAFlags);
1515#endif /* VBOX_WITH_HGSMI */
1516
1517 LogRel(("VBVA: VRDP acceleration has been requested.\n"));
1518 }
1519 else
1520 {
1521 /* A client is connected or disconnected but there is no change in the
1522 * accel state. It remains enabled.
1523 */
1524 Assert (mfVideoAccelVRDP == true);
1525 }
1526 vbvaUnlock();
1527}
1528
1529static bool vbvaVerifyRingBuffer (VBVAMEMORY *pVbvaMemory)
1530{
1531 return true;
1532}
1533
1534static void vbvaFetchBytes (VBVAMEMORY *pVbvaMemory, uint8_t *pu8Dst, uint32_t cbDst)
1535{
1536 if (cbDst >= VBVA_RING_BUFFER_SIZE)
1537 {
1538 AssertMsgFailed (("cbDst = 0x%08X, ring buffer size 0x%08X", cbDst, VBVA_RING_BUFFER_SIZE));
1539 return;
1540 }
1541
1542 uint32_t u32BytesTillBoundary = VBVA_RING_BUFFER_SIZE - pVbvaMemory->off32Data;
1543 uint8_t *src = &pVbvaMemory->au8RingBuffer[pVbvaMemory->off32Data];
1544 int32_t i32Diff = cbDst - u32BytesTillBoundary;
1545
1546 if (i32Diff <= 0)
1547 {
1548 /* Chunk will not cross buffer boundary. */
1549 memcpy (pu8Dst, src, cbDst);
1550 }
1551 else
1552 {
1553 /* Chunk crosses buffer boundary. */
1554 memcpy (pu8Dst, src, u32BytesTillBoundary);
1555 memcpy (pu8Dst + u32BytesTillBoundary, &pVbvaMemory->au8RingBuffer[0], i32Diff);
1556 }
1557
1558 /* Advance data offset. */
1559 pVbvaMemory->off32Data = (pVbvaMemory->off32Data + cbDst) % VBVA_RING_BUFFER_SIZE;
1560
1561 return;
1562}
1563
1564
1565static bool vbvaPartialRead (uint8_t **ppu8, uint32_t *pcb, uint32_t cbRecord, VBVAMEMORY *pVbvaMemory)
1566{
1567 uint8_t *pu8New;
1568
1569 LogFlow(("MAIN::DisplayImpl::vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n",
1570 *ppu8, *pcb, cbRecord));
1571
1572 if (*ppu8)
1573 {
1574 Assert (*pcb);
1575 pu8New = (uint8_t *)RTMemRealloc (*ppu8, cbRecord);
1576 }
1577 else
1578 {
1579 Assert (!*pcb);
1580 pu8New = (uint8_t *)RTMemAlloc (cbRecord);
1581 }
1582
1583 if (!pu8New)
1584 {
1585 /* Memory allocation failed, fail the function. */
1586 Log(("MAIN::vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n",
1587 cbRecord));
1588
1589 if (*ppu8)
1590 {
1591 RTMemFree (*ppu8);
1592 }
1593
1594 *ppu8 = NULL;
1595 *pcb = 0;
1596
1597 return false;
1598 }
1599
1600 /* Fetch data from the ring buffer. */
1601 vbvaFetchBytes (pVbvaMemory, pu8New + *pcb, cbRecord - *pcb);
1602
1603 *ppu8 = pu8New;
1604 *pcb = cbRecord;
1605
1606 return true;
1607}
1608
1609/* For contiguous chunks just return the address in the buffer.
1610 * For crossing boundary - allocate a buffer from heap.
1611 */
1612bool Display::vbvaFetchCmd (VBVACMDHDR **ppHdr, uint32_t *pcbCmd)
1613{
1614 uint32_t indexRecordFirst = mpVbvaMemory->indexRecordFirst;
1615 uint32_t indexRecordFree = mpVbvaMemory->indexRecordFree;
1616
1617#ifdef DEBUG_sunlover
1618 LogFlowFunc (("first = %d, free = %d\n",
1619 indexRecordFirst, indexRecordFree));
1620#endif /* DEBUG_sunlover */
1621
1622 if (!vbvaVerifyRingBuffer (mpVbvaMemory))
1623 {
1624 return false;
1625 }
1626
1627 if (indexRecordFirst == indexRecordFree)
1628 {
1629 /* No records to process. Return without assigning output variables. */
1630 return true;
1631 }
1632
1633 VBVARECORD *pRecord = &mpVbvaMemory->aRecords[indexRecordFirst];
1634
1635#ifdef DEBUG_sunlover
1636 LogFlowFunc (("cbRecord = 0x%08X\n", pRecord->cbRecord));
1637#endif /* DEBUG_sunlover */
1638
1639 uint32_t cbRecord = pRecord->cbRecord & ~VBVA_F_RECORD_PARTIAL;
1640
1641 if (mcbVbvaPartial)
1642 {
1643 /* There is a partial read in process. Continue with it. */
1644
1645 Assert (mpu8VbvaPartial);
1646
1647 LogFlowFunc (("continue partial record mcbVbvaPartial = %d cbRecord 0x%08X, first = %d, free = %d\n",
1648 mcbVbvaPartial, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
1649
1650 if (cbRecord > mcbVbvaPartial)
1651 {
1652 /* New data has been added to the record. */
1653 if (!vbvaPartialRead (&mpu8VbvaPartial, &mcbVbvaPartial, cbRecord, mpVbvaMemory))
1654 {
1655 return false;
1656 }
1657 }
1658
1659 if (!(pRecord->cbRecord & VBVA_F_RECORD_PARTIAL))
1660 {
1661 /* The record is completed by guest. Return it to the caller. */
1662 *ppHdr = (VBVACMDHDR *)mpu8VbvaPartial;
1663 *pcbCmd = mcbVbvaPartial;
1664
1665 mpu8VbvaPartial = NULL;
1666 mcbVbvaPartial = 0;
1667
1668 /* Advance the record index. */
1669 mpVbvaMemory->indexRecordFirst = (indexRecordFirst + 1) % VBVA_MAX_RECORDS;
1670
1671#ifdef DEBUG_sunlover
1672 LogFlowFunc (("partial done ok, data = %d, free = %d\n",
1673 mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
1674#endif /* DEBUG_sunlover */
1675 }
1676
1677 return true;
1678 }
1679
1680 /* A new record need to be processed. */
1681 if (pRecord->cbRecord & VBVA_F_RECORD_PARTIAL)
1682 {
1683 /* Current record is being written by guest. '=' is important here. */
1684 if (cbRecord >= VBVA_RING_BUFFER_SIZE - VBVA_RING_BUFFER_THRESHOLD)
1685 {
1686 /* Partial read must be started. */
1687 if (!vbvaPartialRead (&mpu8VbvaPartial, &mcbVbvaPartial, cbRecord, mpVbvaMemory))
1688 {
1689 return false;
1690 }
1691
1692 LogFlowFunc (("started partial record mcbVbvaPartial = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n",
1693 mcbVbvaPartial, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
1694 }
1695
1696 return true;
1697 }
1698
1699 /* Current record is complete. If it is not empty, process it. */
1700 if (cbRecord)
1701 {
1702 /* The size of largest contiguous chunk in the ring biffer. */
1703 uint32_t u32BytesTillBoundary = VBVA_RING_BUFFER_SIZE - mpVbvaMemory->off32Data;
1704
1705 /* The ring buffer pointer. */
1706 uint8_t *au8RingBuffer = &mpVbvaMemory->au8RingBuffer[0];
1707
1708 /* The pointer to data in the ring buffer. */
1709 uint8_t *src = &au8RingBuffer[mpVbvaMemory->off32Data];
1710
1711 /* Fetch or point the data. */
1712 if (u32BytesTillBoundary >= cbRecord)
1713 {
1714 /* The command does not cross buffer boundary. Return address in the buffer. */
1715 *ppHdr = (VBVACMDHDR *)src;
1716
1717 /* Advance data offset. */
1718 mpVbvaMemory->off32Data = (mpVbvaMemory->off32Data + cbRecord) % VBVA_RING_BUFFER_SIZE;
1719 }
1720 else
1721 {
1722 /* The command crosses buffer boundary. Rare case, so not optimized. */
1723 uint8_t *dst = (uint8_t *)RTMemAlloc (cbRecord);
1724
1725 if (!dst)
1726 {
1727 LogRelFlowFunc (("could not allocate %d bytes from heap!!!\n", cbRecord));
1728 mpVbvaMemory->off32Data = (mpVbvaMemory->off32Data + cbRecord) % VBVA_RING_BUFFER_SIZE;
1729 return false;
1730 }
1731
1732 vbvaFetchBytes (mpVbvaMemory, dst, cbRecord);
1733
1734 *ppHdr = (VBVACMDHDR *)dst;
1735
1736#ifdef DEBUG_sunlover
1737 LogFlowFunc (("Allocated from heap %p\n", dst));
1738#endif /* DEBUG_sunlover */
1739 }
1740 }
1741
1742 *pcbCmd = cbRecord;
1743
1744 /* Advance the record index. */
1745 mpVbvaMemory->indexRecordFirst = (indexRecordFirst + 1) % VBVA_MAX_RECORDS;
1746
1747#ifdef DEBUG_sunlover
1748 LogFlowFunc (("done ok, data = %d, free = %d\n",
1749 mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
1750#endif /* DEBUG_sunlover */
1751
1752 return true;
1753}
1754
1755void Display::vbvaReleaseCmd (VBVACMDHDR *pHdr, int32_t cbCmd)
1756{
1757 uint8_t *au8RingBuffer = mpVbvaMemory->au8RingBuffer;
1758
1759 if ( (uint8_t *)pHdr >= au8RingBuffer
1760 && (uint8_t *)pHdr < &au8RingBuffer[VBVA_RING_BUFFER_SIZE])
1761 {
1762 /* The pointer is inside ring buffer. Must be continuous chunk. */
1763 Assert (VBVA_RING_BUFFER_SIZE - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);
1764
1765 /* Do nothing. */
1766
1767 Assert (!mpu8VbvaPartial && mcbVbvaPartial == 0);
1768 }
1769 else
1770 {
1771 /* The pointer is outside. It is then an allocated copy. */
1772
1773#ifdef DEBUG_sunlover
1774 LogFlowFunc (("Free heap %p\n", pHdr));
1775#endif /* DEBUG_sunlover */
1776
1777 if ((uint8_t *)pHdr == mpu8VbvaPartial)
1778 {
1779 mpu8VbvaPartial = NULL;
1780 mcbVbvaPartial = 0;
1781 }
1782 else
1783 {
1784 Assert (!mpu8VbvaPartial && mcbVbvaPartial == 0);
1785 }
1786
1787 RTMemFree (pHdr);
1788 }
1789
1790 return;
1791}
1792
1793
1794/**
1795 * Called regularly on the DisplayRefresh timer.
1796 * Also on behalf of guest, when the ring buffer is full.
1797 *
1798 * @thread EMT
1799 */
1800void Display::VideoAccelFlush (void)
1801{
1802 vbvaLock();
1803 videoAccelFlush();
1804 vbvaUnlock();
1805}
1806
1807/* Under VBVA lock. DevVGA is not taken. */
1808void Display::videoAccelFlush (void)
1809{
1810#ifdef DEBUG_sunlover_2
1811 LogFlowFunc (("mfVideoAccelEnabled = %d\n", mfVideoAccelEnabled));
1812#endif /* DEBUG_sunlover_2 */
1813
1814 if (!mfVideoAccelEnabled)
1815 {
1816 Log(("Display::VideoAccelFlush: called with disabled VBVA!!! Ignoring.\n"));
1817 return;
1818 }
1819
1820 /* Here VBVA is enabled and we have the accelerator memory pointer. */
1821 Assert(mpVbvaMemory);
1822
1823#ifdef DEBUG_sunlover_2
1824 LogFlowFunc (("indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
1825 mpVbvaMemory->indexRecordFirst, mpVbvaMemory->indexRecordFree, mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
1826#endif /* DEBUG_sunlover_2 */
1827
1828 /* Quick check for "nothing to update" case. */
1829 if (mpVbvaMemory->indexRecordFirst == mpVbvaMemory->indexRecordFree)
1830 {
1831 return;
1832 }
1833
1834 /* Process the ring buffer */
1835 unsigned uScreenId;
1836
1837 /* Initialize dirty rectangles accumulator. */
1838 VBVADIRTYREGION rgn;
1839 vbvaRgnInit (&rgn, maFramebuffers, mcMonitors, this, mpDrv->pUpPort);
1840
1841 for (;;)
1842 {
1843 VBVACMDHDR *phdr = NULL;
1844 uint32_t cbCmd = ~0;
1845
1846 /* Fetch the command data. */
1847 if (!vbvaFetchCmd (&phdr, &cbCmd))
1848 {
1849 Log(("Display::VideoAccelFlush: unable to fetch command. off32Data = %d, off32Free = %d. Disabling VBVA!!!\n",
1850 mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
1851
1852 /* Disable VBVA on those processing errors. */
1853 videoAccelEnable (false, NULL);
1854
1855 break;
1856 }
1857
1858 if (cbCmd == uint32_t(~0))
1859 {
1860 /* No more commands yet in the queue. */
1861 break;
1862 }
1863
1864 if (cbCmd != 0)
1865 {
1866#ifdef DEBUG_sunlover
1867 LogFlowFunc (("hdr: cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
1868 cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
1869#endif /* DEBUG_sunlover */
1870
1871 VBVACMDHDR hdrSaved = *phdr;
1872
1873 int x = phdr->x;
1874 int y = phdr->y;
1875 int w = phdr->w;
1876 int h = phdr->h;
1877
1878 uScreenId = mapCoordsToScreen(maFramebuffers, mcMonitors, &x, &y, &w, &h);
1879
1880 phdr->x = (int16_t)x;
1881 phdr->y = (int16_t)y;
1882 phdr->w = (uint16_t)w;
1883 phdr->h = (uint16_t)h;
1884
1885 DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
1886
1887 if (pFBInfo->u32ResizeStatus == ResizeStatus_Void)
1888 {
1889 /* Handle the command.
1890 *
1891 * Guest is responsible for updating the guest video memory.
1892 * The Windows guest does all drawing using Eng*.
1893 *
1894 * For local output, only dirty rectangle information is used
1895 * to update changed areas.
1896 *
1897 * Dirty rectangles are accumulated to exclude overlapping updates and
1898 * group small updates to a larger one.
1899 */
1900
1901 /* Accumulate the update. */
1902 vbvaRgnDirtyRect (&rgn, uScreenId, phdr);
1903
1904 /* Forward the command to VRDP server. */
1905 mParent->consoleVRDPServer()->SendUpdate (uScreenId, phdr, cbCmd);
1906
1907 *phdr = hdrSaved;
1908 }
1909 }
1910
1911 vbvaReleaseCmd (phdr, cbCmd);
1912 }
1913
1914 for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
1915 {
1916 if (maFramebuffers[uScreenId].u32ResizeStatus == ResizeStatus_Void)
1917 {
1918 /* Draw the framebuffer. */
1919 vbvaRgnUpdateFramebuffer (&rgn, uScreenId);
1920 }
1921 }
1922}
1923
1924int Display::videoAccelRefreshProcess(void)
1925{
1926 int rc = VWRN_INVALID_STATE; /* Default is to do a display update in VGA device. */
1927
1928 vbvaLock();
1929
1930 if (ASMAtomicCmpXchgU32(&mfu32PendingVideoAccelDisable, false, true))
1931 {
1932 videoAccelEnable (false, NULL);
1933 }
1934 else if (mfPendingVideoAccelEnable)
1935 {
1936 /* Acceleration was enabled while machine was not yet running
1937 * due to restoring from saved state. Update entire display and
1938 * actually enable acceleration.
1939 */
1940 Assert(mpPendingVbvaMemory);
1941
1942 /* Acceleration can not be yet enabled.*/
1943 Assert(mpVbvaMemory == NULL);
1944 Assert(!mfVideoAccelEnabled);
1945
1946 if (mfMachineRunning)
1947 {
1948 videoAccelEnable (mfPendingVideoAccelEnable,
1949 mpPendingVbvaMemory);
1950
1951 /* Reset the pending state. */
1952 mfPendingVideoAccelEnable = false;
1953 mpPendingVbvaMemory = NULL;
1954 }
1955
1956 rc = VINF_TRY_AGAIN;
1957 }
1958 else
1959 {
1960 Assert(mpPendingVbvaMemory == NULL);
1961
1962 if (mfVideoAccelEnabled)
1963 {
1964 Assert(mpVbvaMemory);
1965 videoAccelFlush ();
1966
1967 rc = VINF_SUCCESS; /* VBVA processed, no need to a display update. */
1968 }
1969 }
1970
1971 vbvaUnlock();
1972
1973 return rc;
1974}
1975
1976
1977// IDisplay methods
1978/////////////////////////////////////////////////////////////////////////////
1979STDMETHODIMP Display::GetScreenResolution (ULONG aScreenId,
1980 ULONG *aWidth, ULONG *aHeight, ULONG *aBitsPerPixel)
1981{
1982 LogRelFlowFunc (("aScreenId = %d\n", aScreenId));
1983
1984 AutoCaller autoCaller(this);
1985 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1986
1987 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1988
1989 uint32_t u32Width = 0;
1990 uint32_t u32Height = 0;
1991 uint32_t u32BitsPerPixel = 0;
1992
1993 if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
1994 {
1995 CHECK_CONSOLE_DRV (mpDrv);
1996
1997 u32Width = mpDrv->IConnector.cx;
1998 u32Height = mpDrv->IConnector.cy;
1999 int rc = mpDrv->pUpPort->pfnQueryColorDepth(mpDrv->pUpPort, &u32BitsPerPixel);
2000 AssertRC(rc);
2001 }
2002 else if (aScreenId < mcMonitors)
2003 {
2004 DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2005 u32Width = pFBInfo->w;
2006 u32Height = pFBInfo->h;
2007 u32BitsPerPixel = pFBInfo->u16BitsPerPixel;
2008 }
2009 else
2010 {
2011 return E_INVALIDARG;
2012 }
2013
2014 if (aWidth)
2015 *aWidth = u32Width;
2016 if (aHeight)
2017 *aHeight = u32Height;
2018 if (aBitsPerPixel)
2019 *aBitsPerPixel = u32BitsPerPixel;
2020
2021 return S_OK;
2022}
2023
2024STDMETHODIMP Display::SetFramebuffer (ULONG aScreenId,
2025 IFramebuffer *aFramebuffer)
2026{
2027 LogRelFlowFunc (("\n"));
2028
2029 if (aFramebuffer != NULL)
2030 CheckComArgOutPointerValid(aFramebuffer);
2031
2032 AutoCaller autoCaller(this);
2033 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2034
2035 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2036
2037 Console::SafeVMPtrQuiet pVM (mParent);
2038 if (pVM.isOk())
2039 {
2040 /* Must leave the lock here because the changeFramebuffer will
2041 * also obtain it. */
2042 alock.leave ();
2043
2044 /* send request to the EMT thread */
2045 int vrc = VMR3ReqCallWait (pVM, VMCPUID_ANY,
2046 (PFNRT) changeFramebuffer, 3, this, aFramebuffer, aScreenId);
2047
2048 alock.enter ();
2049
2050 ComAssertRCRet (vrc, E_FAIL);
2051
2052#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
2053 {
2054 BOOL is3denabled;
2055 mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
2056
2057 if (is3denabled)
2058 {
2059 VBOXHGCMSVCPARM parm;
2060
2061 parm.type = VBOX_HGCM_SVC_PARM_32BIT;
2062 parm.u.uint32 = aScreenId;
2063
2064 VMMDev *pVMMDev = mParent->getVMMDev();
2065
2066 alock.leave ();
2067
2068 if (pVMMDev)
2069 vrc = pVMMDev->hgcmHostCall("VBoxSharedCrOpenGL", SHCRGL_HOST_FN_SCREEN_CHANGED, SHCRGL_CPARMS_SCREEN_CHANGED, &parm);
2070 /*ComAssertRCRet (vrc, E_FAIL);*/
2071
2072 alock.enter ();
2073 }
2074 }
2075#endif /* VBOX_WITH_CROGL */
2076 }
2077 else
2078 {
2079 /* No VM is created (VM is powered off), do a direct call */
2080 int vrc = changeFramebuffer (this, aFramebuffer, aScreenId);
2081 ComAssertRCRet (vrc, E_FAIL);
2082 }
2083
2084 return S_OK;
2085}
2086
2087STDMETHODIMP Display::GetFramebuffer (ULONG aScreenId,
2088 IFramebuffer **aFramebuffer, LONG *aXOrigin, LONG *aYOrigin)
2089{
2090 LogRelFlowFunc (("aScreenId = %d\n", aScreenId));
2091
2092 CheckComArgOutPointerValid(aFramebuffer);
2093
2094 AutoCaller autoCaller(this);
2095 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2096
2097 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2098
2099 if (aScreenId != 0 && aScreenId >= mcMonitors)
2100 return E_INVALIDARG;
2101
2102 /* @todo this should be actually done on EMT. */
2103 DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
2104
2105 *aFramebuffer = pFBInfo->pFramebuffer;
2106 if (*aFramebuffer)
2107 (*aFramebuffer)->AddRef ();
2108 if (aXOrigin)
2109 *aXOrigin = pFBInfo->xOrigin;
2110 if (aYOrigin)
2111 *aYOrigin = pFBInfo->yOrigin;
2112
2113 return S_OK;
2114}
2115
2116STDMETHODIMP Display::SetVideoModeHint(ULONG aWidth, ULONG aHeight,
2117 ULONG aBitsPerPixel, ULONG aDisplay)
2118{
2119 AutoCaller autoCaller(this);
2120 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2121
2122 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2123
2124 CHECK_CONSOLE_DRV (mpDrv);
2125
2126 /*
2127 * Do some rough checks for valid input
2128 */
2129 ULONG width = aWidth;
2130 if (!width)
2131 width = mpDrv->IConnector.cx;
2132 ULONG height = aHeight;
2133 if (!height)
2134 height = mpDrv->IConnector.cy;
2135 ULONG bpp = aBitsPerPixel;
2136 if (!bpp)
2137 {
2138 uint32_t cBits = 0;
2139 int rc = mpDrv->pUpPort->pfnQueryColorDepth(mpDrv->pUpPort, &cBits);
2140 AssertRC(rc);
2141 bpp = cBits;
2142 }
2143 ULONG cMonitors;
2144 mParent->machine()->COMGETTER(MonitorCount)(&cMonitors);
2145 if (cMonitors == 0 && aDisplay > 0)
2146 return E_INVALIDARG;
2147 if (aDisplay >= cMonitors)
2148 return E_INVALIDARG;
2149
2150// sunlover 20070614: It is up to the guest to decide whether the hint is valid.
2151// ULONG vramSize;
2152// mParent->machine()->COMGETTER(VRAMSize)(&vramSize);
2153// /* enough VRAM? */
2154// if ((width * height * (bpp / 8)) > (vramSize * 1024 * 1024))
2155// return setError(E_FAIL, tr("Not enough VRAM for the selected video mode"));
2156
2157 /* Have to leave the lock because the pfnRequestDisplayChange
2158 * will call EMT. */
2159 alock.leave ();
2160
2161 VMMDev *pVMMDev = mParent->getVMMDev();
2162 if (pVMMDev)
2163 {
2164 PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
2165 if (pVMMDevPort)
2166 pVMMDevPort->pfnRequestDisplayChange(pVMMDevPort, aWidth, aHeight, aBitsPerPixel, aDisplay);
2167 }
2168 return S_OK;
2169}
2170
2171STDMETHODIMP Display::SetSeamlessMode (BOOL enabled)
2172{
2173 AutoCaller autoCaller(this);
2174 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2175
2176 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2177
2178 /* Have to leave the lock because the pfnRequestSeamlessChange will call EMT. */
2179 alock.leave ();
2180
2181 VMMDev *pVMMDev = mParent->getVMMDev();
2182 if (pVMMDev)
2183 {
2184 PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
2185 if (pVMMDevPort)
2186 pVMMDevPort->pfnRequestSeamlessChange(pVMMDevPort, !!enabled);
2187 }
2188 return S_OK;
2189}
2190
2191int Display::displayTakeScreenshotEMT(Display *pDisplay, ULONG aScreenId, uint8_t **ppu8Data, size_t *pcbData, uint32_t *pu32Width, uint32_t *pu32Height)
2192{
2193 int rc;
2194 pDisplay->vbvaLock();
2195 if ( aScreenId == VBOX_VIDEO_PRIMARY_SCREEN
2196 && pDisplay->maFramebuffers[aScreenId].fVBVAEnabled == false) /* A non-VBVA mode. */
2197 {
2198 rc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppu8Data, pcbData, pu32Width, pu32Height);
2199 }
2200 else if (aScreenId < pDisplay->mcMonitors)
2201 {
2202 DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
2203
2204 uint32_t width = pFBInfo->w;
2205 uint32_t height = pFBInfo->h;
2206
2207 /* Allocate 32 bit per pixel bitmap. */
2208 size_t cbRequired = width * 4 * height;
2209
2210 if (cbRequired)
2211 {
2212 uint8_t *pu8Data = (uint8_t *)RTMemAlloc(cbRequired);
2213
2214 if (pu8Data == NULL)
2215 {
2216 rc = VERR_NO_MEMORY;
2217 }
2218 else
2219 {
2220 /* Copy guest VRAM to the allocated 32bpp buffer. */
2221 const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
2222 int32_t xSrc = 0;
2223 int32_t ySrc = 0;
2224 uint32_t u32SrcWidth = width;
2225 uint32_t u32SrcHeight = height;
2226 uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
2227 uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2228
2229 uint8_t *pu8Dst = pu8Data;
2230 int32_t xDst = 0;
2231 int32_t yDst = 0;
2232 uint32_t u32DstWidth = u32SrcWidth;
2233 uint32_t u32DstHeight = u32SrcHeight;
2234 uint32_t u32DstLineSize = u32DstWidth * 4;
2235 uint32_t u32DstBitsPerPixel = 32;
2236
2237 rc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2238 width, height,
2239 pu8Src,
2240 xSrc, ySrc,
2241 u32SrcWidth, u32SrcHeight,
2242 u32SrcLineSize, u32SrcBitsPerPixel,
2243 pu8Dst,
2244 xDst, yDst,
2245 u32DstWidth, u32DstHeight,
2246 u32DstLineSize, u32DstBitsPerPixel);
2247 if (RT_SUCCESS(rc))
2248 {
2249 *ppu8Data = pu8Data;
2250 *pcbData = cbRequired;
2251 *pu32Width = width;
2252 *pu32Height = height;
2253 }
2254 else
2255 {
2256 RTMemFree(pu8Data);
2257 }
2258 }
2259 }
2260 else
2261 {
2262 /* No image. */
2263 *ppu8Data = NULL;
2264 *pcbData = 0;
2265 *pu32Width = 0;
2266 *pu32Height = 0;
2267 rc = VINF_SUCCESS;
2268 }
2269 }
2270 else
2271 {
2272 rc = VERR_INVALID_PARAMETER;
2273 }
2274 pDisplay->vbvaUnlock();
2275 return rc;
2276}
2277
2278static int displayTakeScreenshot(PVM pVM, Display *pDisplay, struct DRVMAINDISPLAY *pDrv, ULONG aScreenId, BYTE *address, ULONG width, ULONG height)
2279{
2280 uint8_t *pu8Data = NULL;
2281 size_t cbData = 0;
2282 uint32_t cx = 0;
2283 uint32_t cy = 0;
2284 int vrc = VINF_SUCCESS;
2285
2286 int cRetries = 5;
2287
2288 while (cRetries-- > 0)
2289 {
2290 /* Note! Not sure if the priority call is such a good idea here, but
2291 it would be nice to have an accurate screenshot for the bug
2292 report if the VM deadlocks. */
2293 vrc = VMR3ReqPriorityCallWait(pVM, VMCPUID_ANY, (PFNRT)Display::displayTakeScreenshotEMT, 6,
2294 pDisplay, aScreenId, &pu8Data, &cbData, &cx, &cy);
2295 if (vrc != VERR_TRY_AGAIN)
2296 {
2297 break;
2298 }
2299
2300 RTThreadSleep(10);
2301 }
2302
2303 if (RT_SUCCESS(vrc) && pu8Data)
2304 {
2305 if (cx == width && cy == height)
2306 {
2307 /* No scaling required. */
2308 memcpy(address, pu8Data, cbData);
2309 }
2310 else
2311 {
2312 /* Scale. */
2313 LogRelFlowFunc(("SCALE: %dx%d -> %dx%d\n", cx, cy, width, height));
2314
2315 uint8_t *dst = address;
2316 uint8_t *src = pu8Data;
2317 int dstW = width;
2318 int dstH = height;
2319 int srcW = cx;
2320 int srcH = cy;
2321 int iDeltaLine = cx * 4;
2322
2323 BitmapScale32 (dst,
2324 dstW, dstH,
2325 src,
2326 iDeltaLine,
2327 srcW, srcH);
2328 }
2329
2330 if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2331 {
2332 /* This can be called from any thread. */
2333 pDrv->pUpPort->pfnFreeScreenshot (pDrv->pUpPort, pu8Data);
2334 }
2335 else
2336 {
2337 RTMemFree(pu8Data);
2338 }
2339 }
2340
2341 return vrc;
2342}
2343
2344STDMETHODIMP Display::TakeScreenShot (ULONG aScreenId, BYTE *address, ULONG width, ULONG height)
2345{
2346 /// @todo (r=dmik) this function may take too long to complete if the VM
2347 // is doing something like saving state right now. Which, in case if it
2348 // is called on the GUI thread, will make it unresponsive. We should
2349 // check the machine state here (by enclosing the check and VMRequCall
2350 // within the Console lock to make it atomic).
2351
2352 LogRelFlowFunc (("address=%p, width=%d, height=%d\n",
2353 address, width, height));
2354
2355 CheckComArgNotNull(address);
2356 CheckComArgExpr(width, width != 0);
2357 CheckComArgExpr(height, height != 0);
2358
2359 /* Do not allow too large screenshots. This also filters out negative
2360 * values passed as either 'width' or 'height'.
2361 */
2362 CheckComArgExpr(width, width <= 32767);
2363 CheckComArgExpr(height, height <= 32767);
2364
2365 AutoCaller autoCaller(this);
2366 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2367
2368 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2369
2370 CHECK_CONSOLE_DRV (mpDrv);
2371
2372 Console::SafeVMPtr pVM(mParent);
2373 if (FAILED(pVM.rc())) return pVM.rc();
2374
2375 HRESULT rc = S_OK;
2376
2377 LogRelFlowFunc (("Sending SCREENSHOT request\n"));
2378
2379 /* Leave lock because other thread (EMT) is called and it may initiate a resize
2380 * which also needs lock.
2381 *
2382 * This method does not need the lock anymore.
2383 */
2384 alock.leave();
2385
2386 int vrc = displayTakeScreenshot(pVM, this, mpDrv, aScreenId, address, width, height);
2387
2388 if (vrc == VERR_NOT_IMPLEMENTED)
2389 rc = setError(E_NOTIMPL,
2390 tr("This feature is not implemented"));
2391 else if (vrc == VERR_TRY_AGAIN)
2392 rc = setError(E_UNEXPECTED,
2393 tr("This feature is not available at this time"));
2394 else if (RT_FAILURE(vrc))
2395 rc = setError(VBOX_E_IPRT_ERROR,
2396 tr("Could not take a screenshot (%Rrc)"), vrc);
2397
2398 LogRelFlowFunc (("rc=%08X\n", rc));
2399 return rc;
2400}
2401
2402STDMETHODIMP Display::TakeScreenShotToArray (ULONG aScreenId, ULONG width, ULONG height,
2403 ComSafeArrayOut(BYTE, aScreenData))
2404{
2405 LogRelFlowFunc (("width=%d, height=%d\n",
2406 width, height));
2407
2408 CheckComArgOutSafeArrayPointerValid(aScreenData);
2409 CheckComArgExpr(width, width != 0);
2410 CheckComArgExpr(height, height != 0);
2411
2412 /* Do not allow too large screenshots. This also filters out negative
2413 * values passed as either 'width' or 'height'.
2414 */
2415 CheckComArgExpr(width, width <= 32767);
2416 CheckComArgExpr(height, height <= 32767);
2417
2418 AutoCaller autoCaller(this);
2419 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2420
2421 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2422
2423 CHECK_CONSOLE_DRV (mpDrv);
2424
2425 Console::SafeVMPtr pVM(mParent);
2426 if (FAILED(pVM.rc())) return pVM.rc();
2427
2428 HRESULT rc = S_OK;
2429
2430 LogRelFlowFunc (("Sending SCREENSHOT request\n"));
2431
2432 /* Leave lock because other thread (EMT) is called and it may initiate a resize
2433 * which also needs lock.
2434 *
2435 * This method does not need the lock anymore.
2436 */
2437 alock.leave();
2438
2439 size_t cbData = width * 4 * height;
2440 uint8_t *pu8Data = (uint8_t *)RTMemAlloc(cbData);
2441
2442 if (!pu8Data)
2443 return E_OUTOFMEMORY;
2444
2445 int vrc = displayTakeScreenshot(pVM, this, mpDrv, aScreenId, pu8Data, width, height);
2446
2447 if (RT_SUCCESS(vrc))
2448 {
2449 /* Convert pixels to format expected by the API caller: [0] R, [1] G, [2] B, [3] A. */
2450 uint8_t *pu8 = pu8Data;
2451 unsigned cPixels = width * height;
2452 while (cPixels)
2453 {
2454 uint8_t u8 = pu8[0];
2455 pu8[0] = pu8[2];
2456 pu8[2] = u8;
2457 pu8[3] = 0xff;
2458 cPixels--;
2459 pu8 += 4;
2460 }
2461
2462 com::SafeArray<BYTE> screenData (cbData);
2463 screenData.initFrom(pu8Data, cbData);
2464 screenData.detachTo(ComSafeArrayOutArg(aScreenData));
2465 }
2466 else if (vrc == VERR_NOT_IMPLEMENTED)
2467 rc = setError(E_NOTIMPL,
2468 tr("This feature is not implemented"));
2469 else
2470 rc = setError(VBOX_E_IPRT_ERROR,
2471 tr("Could not take a screenshot (%Rrc)"), vrc);
2472
2473 RTMemFree(pu8Data);
2474
2475 LogRelFlowFunc (("rc=%08X\n", rc));
2476 return rc;
2477}
2478
2479STDMETHODIMP Display::TakeScreenShotPNGToArray (ULONG aScreenId, ULONG width, ULONG height,
2480 ComSafeArrayOut(BYTE, aScreenData))
2481{
2482 LogRelFlowFunc (("width=%d, height=%d\n",
2483 width, height));
2484
2485 CheckComArgOutSafeArrayPointerValid(aScreenData);
2486 CheckComArgExpr(width, width != 0);
2487 CheckComArgExpr(height, height != 0);
2488
2489 /* Do not allow too large screenshots. This also filters out negative
2490 * values passed as either 'width' or 'height'.
2491 */
2492 CheckComArgExpr(width, width <= 32767);
2493 CheckComArgExpr(height, height <= 32767);
2494
2495 AutoCaller autoCaller(this);
2496 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2497
2498 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2499
2500 CHECK_CONSOLE_DRV (mpDrv);
2501
2502 Console::SafeVMPtr pVM(mParent);
2503 if (FAILED(pVM.rc())) return pVM.rc();
2504
2505 HRESULT rc = S_OK;
2506
2507 LogRelFlowFunc (("Sending SCREENSHOT request\n"));
2508
2509 /* Leave lock because other thread (EMT) is called and it may initiate a resize
2510 * which also needs lock.
2511 *
2512 * This method does not need the lock anymore.
2513 */
2514 alock.leave();
2515
2516 size_t cbData = width * 4 * height;
2517 uint8_t *pu8Data = (uint8_t *)RTMemAlloc(cbData);
2518
2519 if (!pu8Data)
2520 return E_OUTOFMEMORY;
2521
2522 int vrc = displayTakeScreenshot(pVM, this, mpDrv, aScreenId, pu8Data, width, height);
2523
2524 if (RT_SUCCESS(vrc))
2525 {
2526 uint8_t *pu8PNG = NULL;
2527 uint32_t cbPNG = 0;
2528 uint32_t cxPNG = 0;
2529 uint32_t cyPNG = 0;
2530
2531 DisplayMakePNG(pu8Data, width, height, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 0);
2532
2533 com::SafeArray<BYTE> screenData (cbPNG);
2534 screenData.initFrom(pu8PNG, cbPNG);
2535 RTMemFree(pu8PNG);
2536
2537 screenData.detachTo(ComSafeArrayOutArg(aScreenData));
2538 }
2539 else if (vrc == VERR_NOT_IMPLEMENTED)
2540 rc = setError(E_NOTIMPL,
2541 tr("This feature is not implemented"));
2542 else
2543 rc = setError(VBOX_E_IPRT_ERROR,
2544 tr("Could not take a screenshot (%Rrc)"), vrc);
2545
2546 RTMemFree(pu8Data);
2547
2548 LogRelFlowFunc (("rc=%08X\n", rc));
2549 return rc;
2550}
2551
2552
2553int Display::drawToScreenEMT(Display *pDisplay, ULONG aScreenId, BYTE *address, ULONG x, ULONG y, ULONG width, ULONG height)
2554{
2555 int rc = VINF_SUCCESS;
2556 pDisplay->vbvaLock();
2557
2558 DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[aScreenId];
2559
2560 if (aScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
2561 {
2562 if (pFBInfo->u32ResizeStatus == ResizeStatus_Void)
2563 {
2564 rc = pDisplay->mpDrv->pUpPort->pfnDisplayBlt(pDisplay->mpDrv->pUpPort, address, x, y, width, height);
2565 }
2566 }
2567 else if (aScreenId < pDisplay->mcMonitors)
2568 {
2569 /* Copy the bitmap to the guest VRAM. */
2570 const uint8_t *pu8Src = address;
2571 int32_t xSrc = 0;
2572 int32_t ySrc = 0;
2573 uint32_t u32SrcWidth = width;
2574 uint32_t u32SrcHeight = height;
2575 uint32_t u32SrcLineSize = width * 4;
2576 uint32_t u32SrcBitsPerPixel = 32;
2577
2578 uint8_t *pu8Dst = pFBInfo->pu8FramebufferVRAM;
2579 int32_t xDst = x;
2580 int32_t yDst = y;
2581 uint32_t u32DstWidth = pFBInfo->w;
2582 uint32_t u32DstHeight = pFBInfo->h;
2583 uint32_t u32DstLineSize = pFBInfo->u32LineSize;
2584 uint32_t u32DstBitsPerPixel = pFBInfo->u16BitsPerPixel;
2585
2586 rc = pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2587 width, height,
2588 pu8Src,
2589 xSrc, ySrc,
2590 u32SrcWidth, u32SrcHeight,
2591 u32SrcLineSize, u32SrcBitsPerPixel,
2592 pu8Dst,
2593 xDst, yDst,
2594 u32DstWidth, u32DstHeight,
2595 u32DstLineSize, u32DstBitsPerPixel);
2596 if (RT_SUCCESS(rc))
2597 {
2598 if (!pFBInfo->pFramebuffer.isNull())
2599 {
2600 /* Update the changed screen area. When framebuffer uses VRAM directly, just notify
2601 * it to update. And for default format, render the guest VRAM to framebuffer.
2602 */
2603 if ( pFBInfo->fDefaultFormat
2604 && !(pFBInfo->fDisabled))
2605 {
2606 address = NULL;
2607 HRESULT hrc = pFBInfo->pFramebuffer->COMGETTER(Address) (&address);
2608 if (SUCCEEDED(hrc) && address != NULL)
2609 {
2610 pu8Src = pFBInfo->pu8FramebufferVRAM;
2611 xSrc = x;
2612 ySrc = y;
2613 u32SrcWidth = pFBInfo->w;
2614 u32SrcHeight = pFBInfo->h;
2615 u32SrcLineSize = pFBInfo->u32LineSize;
2616 u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2617
2618 /* Default format is 32 bpp. */
2619 pu8Dst = address;
2620 xDst = xSrc;
2621 yDst = ySrc;
2622 u32DstWidth = u32SrcWidth;
2623 u32DstHeight = u32SrcHeight;
2624 u32DstLineSize = u32DstWidth * 4;
2625 u32DstBitsPerPixel = 32;
2626
2627 pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2628 width, height,
2629 pu8Src,
2630 xSrc, ySrc,
2631 u32SrcWidth, u32SrcHeight,
2632 u32SrcLineSize, u32SrcBitsPerPixel,
2633 pu8Dst,
2634 xDst, yDst,
2635 u32DstWidth, u32DstHeight,
2636 u32DstLineSize, u32DstBitsPerPixel);
2637 }
2638 }
2639
2640 pDisplay->handleDisplayUpdate(aScreenId, x, y, width, height);
2641 }
2642 }
2643 }
2644 else
2645 {
2646 rc = VERR_INVALID_PARAMETER;
2647 }
2648 pDisplay->vbvaUnlock();
2649 return rc;
2650}
2651
2652STDMETHODIMP Display::DrawToScreen (ULONG aScreenId, BYTE *address, ULONG x, ULONG y,
2653 ULONG width, ULONG height)
2654{
2655 /// @todo (r=dmik) this function may take too long to complete if the VM
2656 // is doing something like saving state right now. Which, in case if it
2657 // is called on the GUI thread, will make it unresponsive. We should
2658 // check the machine state here (by enclosing the check and VMRequCall
2659 // within the Console lock to make it atomic).
2660
2661 LogRelFlowFunc (("address=%p, x=%d, y=%d, width=%d, height=%d\n",
2662 (void *)address, x, y, width, height));
2663
2664 CheckComArgNotNull(address);
2665 CheckComArgExpr(width, width != 0);
2666 CheckComArgExpr(height, height != 0);
2667
2668 AutoCaller autoCaller(this);
2669 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2670
2671 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2672
2673 CHECK_CONSOLE_DRV (mpDrv);
2674
2675 Console::SafeVMPtr pVM(mParent);
2676 if (FAILED(pVM.rc())) return pVM.rc();
2677
2678 /* Leave lock because the call scheduled on EMT may also try to take it. */
2679 alock.leave();
2680
2681 /*
2682 * Again we're lazy and make the graphics device do all the
2683 * dirty conversion work.
2684 */
2685 int rcVBox = VMR3ReqCallWait(pVM, VMCPUID_ANY, (PFNRT)Display::drawToScreenEMT, 7,
2686 this, aScreenId, address, x, y, width, height);
2687
2688 /*
2689 * If the function returns not supported, we'll have to do all the
2690 * work ourselves using the framebuffer.
2691 */
2692 HRESULT rc = S_OK;
2693 if (rcVBox == VERR_NOT_SUPPORTED || rcVBox == VERR_NOT_IMPLEMENTED)
2694 {
2695 /** @todo implement generic fallback for screen blitting. */
2696 rc = E_NOTIMPL;
2697 }
2698 else if (RT_FAILURE(rcVBox))
2699 rc = setError(VBOX_E_IPRT_ERROR,
2700 tr("Could not draw to the screen (%Rrc)"), rcVBox);
2701//@todo
2702// else
2703// {
2704// /* All ok. Redraw the screen. */
2705// handleDisplayUpdate (x, y, width, height);
2706// }
2707
2708 LogRelFlowFunc (("rc=%08X\n", rc));
2709 return rc;
2710}
2711
2712void Display::InvalidateAndUpdateEMT(Display *pDisplay)
2713{
2714 pDisplay->vbvaLock();
2715 unsigned uScreenId;
2716 for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
2717 {
2718 DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
2719
2720 if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && !pFBInfo->pFramebuffer.isNull())
2721 {
2722 pDisplay->mpDrv->pUpPort->pfnUpdateDisplayAll(pDisplay->mpDrv->pUpPort);
2723 }
2724 else
2725 {
2726 if ( !pFBInfo->pFramebuffer.isNull()
2727 && !(pFBInfo->fDisabled))
2728 {
2729 /* Render complete VRAM screen to the framebuffer.
2730 * When framebuffer uses VRAM directly, just notify it to update.
2731 */
2732 if (pFBInfo->fDefaultFormat)
2733 {
2734 BYTE *address = NULL;
2735 HRESULT hrc = pFBInfo->pFramebuffer->COMGETTER(Address) (&address);
2736 if (SUCCEEDED(hrc) && address != NULL)
2737 {
2738 uint32_t width = pFBInfo->w;
2739 uint32_t height = pFBInfo->h;
2740
2741 const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
2742 int32_t xSrc = 0;
2743 int32_t ySrc = 0;
2744 uint32_t u32SrcWidth = pFBInfo->w;
2745 uint32_t u32SrcHeight = pFBInfo->h;
2746 uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
2747 uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
2748
2749 /* Default format is 32 bpp. */
2750 uint8_t *pu8Dst = address;
2751 int32_t xDst = xSrc;
2752 int32_t yDst = ySrc;
2753 uint32_t u32DstWidth = u32SrcWidth;
2754 uint32_t u32DstHeight = u32SrcHeight;
2755 uint32_t u32DstLineSize = u32DstWidth * 4;
2756 uint32_t u32DstBitsPerPixel = 32;
2757
2758 pDisplay->mpDrv->pUpPort->pfnCopyRect(pDisplay->mpDrv->pUpPort,
2759 width, height,
2760 pu8Src,
2761 xSrc, ySrc,
2762 u32SrcWidth, u32SrcHeight,
2763 u32SrcLineSize, u32SrcBitsPerPixel,
2764 pu8Dst,
2765 xDst, yDst,
2766 u32DstWidth, u32DstHeight,
2767 u32DstLineSize, u32DstBitsPerPixel);
2768 }
2769 }
2770
2771 pDisplay->handleDisplayUpdate (uScreenId, 0, 0, pFBInfo->w, pFBInfo->h);
2772 }
2773 }
2774 }
2775 pDisplay->vbvaUnlock();
2776}
2777
2778/**
2779 * Does a full invalidation of the VM display and instructs the VM
2780 * to update it immediately.
2781 *
2782 * @returns COM status code
2783 */
2784STDMETHODIMP Display::InvalidateAndUpdate()
2785{
2786 LogRelFlowFunc(("\n"));
2787
2788 AutoCaller autoCaller(this);
2789 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2790
2791 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2792
2793 CHECK_CONSOLE_DRV (mpDrv);
2794
2795 Console::SafeVMPtr pVM(mParent);
2796 if (FAILED(pVM.rc())) return pVM.rc();
2797
2798 HRESULT rc = S_OK;
2799
2800 LogRelFlowFunc (("Sending DPYUPDATE request\n"));
2801
2802 /* Have to leave the lock when calling EMT. */
2803 alock.leave ();
2804
2805 /* pdm.h says that this has to be called from the EMT thread */
2806 int rcVBox = VMR3ReqCallVoidWait(pVM, VMCPUID_ANY, (PFNRT)Display::InvalidateAndUpdateEMT,
2807 1, this);
2808 alock.enter ();
2809
2810 if (RT_FAILURE(rcVBox))
2811 rc = setError(VBOX_E_IPRT_ERROR,
2812 tr("Could not invalidate and update the screen (%Rrc)"), rcVBox);
2813
2814 LogRelFlowFunc (("rc=%08X\n", rc));
2815 return rc;
2816}
2817
2818/**
2819 * Notification that the framebuffer has completed the
2820 * asynchronous resize processing
2821 *
2822 * @returns COM status code
2823 */
2824STDMETHODIMP Display::ResizeCompleted(ULONG aScreenId)
2825{
2826 LogRelFlowFunc (("\n"));
2827
2828 /// @todo (dmik) can we AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); here?
2829 // This will require general code review and may add some details.
2830 // In particular, we may want to check whether EMT is really waiting for
2831 // this notification, etc. It might be also good to obey the caller to make
2832 // sure this method is not called from more than one thread at a time
2833 // (and therefore don't use Display lock at all here to save some
2834 // milliseconds).
2835 AutoCaller autoCaller(this);
2836 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2837
2838 /* this is only valid for external framebuffers */
2839 if (maFramebuffers[aScreenId].pFramebuffer == NULL)
2840 return setError(VBOX_E_NOT_SUPPORTED,
2841 tr("Resize completed notification is valid only for external framebuffers"));
2842
2843 /* Set the flag indicating that the resize has completed and display
2844 * data need to be updated. */
2845 bool f = ASMAtomicCmpXchgU32 (&maFramebuffers[aScreenId].u32ResizeStatus,
2846 ResizeStatus_UpdateDisplayData, ResizeStatus_InProgress);
2847 AssertRelease(f);NOREF(f);
2848
2849 return S_OK;
2850}
2851
2852STDMETHODIMP Display::CompleteVHWACommand(BYTE *pCommand)
2853{
2854#ifdef VBOX_WITH_VIDEOHWACCEL
2855 mpDrv->pVBVACallbacks->pfnVHWACommandCompleteAsynch(mpDrv->pVBVACallbacks, (PVBOXVHWACMD)pCommand);
2856 return S_OK;
2857#else
2858 return E_NOTIMPL;
2859#endif
2860}
2861
2862// private methods
2863/////////////////////////////////////////////////////////////////////////////
2864
2865/**
2866 * Helper to update the display information from the framebuffer.
2867 *
2868 * @thread EMT
2869 */
2870void Display::updateDisplayData(void)
2871{
2872 LogRelFlowFunc (("\n"));
2873
2874 /* the driver might not have been constructed yet */
2875 if (!mpDrv)
2876 return;
2877
2878#if DEBUG
2879 /*
2880 * Sanity check. Note that this method may be called on EMT after Console
2881 * has started the power down procedure (but before our #drvDestruct() is
2882 * called, in which case pVM will already be NULL but mpDrv will not). Since
2883 * we don't really need pVM to proceed, we avoid this check in the release
2884 * build to save some ms (necessary to construct SafeVMPtrQuiet) in this
2885 * time-critical method.
2886 */
2887 Console::SafeVMPtrQuiet pVM (mParent);
2888 if (pVM.isOk())
2889 VM_ASSERT_EMT (pVM.raw());
2890#endif
2891
2892 /* The method is only relevant to the primary framebuffer. */
2893 IFramebuffer *pFramebuffer = maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].pFramebuffer;
2894
2895 if (pFramebuffer)
2896 {
2897 HRESULT rc;
2898 BYTE *address = 0;
2899 rc = pFramebuffer->COMGETTER(Address) (&address);
2900 AssertComRC (rc);
2901 ULONG bytesPerLine = 0;
2902 rc = pFramebuffer->COMGETTER(BytesPerLine) (&bytesPerLine);
2903 AssertComRC (rc);
2904 ULONG bitsPerPixel = 0;
2905 rc = pFramebuffer->COMGETTER(BitsPerPixel) (&bitsPerPixel);
2906 AssertComRC (rc);
2907 ULONG width = 0;
2908 rc = pFramebuffer->COMGETTER(Width) (&width);
2909 AssertComRC (rc);
2910 ULONG height = 0;
2911 rc = pFramebuffer->COMGETTER(Height) (&height);
2912 AssertComRC (rc);
2913
2914 mpDrv->IConnector.pu8Data = (uint8_t *) address;
2915 mpDrv->IConnector.cbScanline = bytesPerLine;
2916 mpDrv->IConnector.cBits = bitsPerPixel;
2917 mpDrv->IConnector.cx = width;
2918 mpDrv->IConnector.cy = height;
2919 }
2920 else
2921 {
2922 /* black hole */
2923 mpDrv->IConnector.pu8Data = NULL;
2924 mpDrv->IConnector.cbScanline = 0;
2925 mpDrv->IConnector.cBits = 0;
2926 mpDrv->IConnector.cx = 0;
2927 mpDrv->IConnector.cy = 0;
2928 }
2929 LogRelFlowFunc (("leave\n"));
2930}
2931
2932#ifdef VBOX_WITH_CRHGSMI
2933void Display::setupCrHgsmiData(void)
2934{
2935 VMMDev *pVMMDev = mParent->getVMMDev();
2936 Assert(pVMMDev);
2937 int rc = VERR_GENERAL_FAILURE;
2938 if (pVMMDev)
2939 rc = pVMMDev->hgcmHostSvcHandleCreate("VBoxSharedCrOpenGL", &mhCrOglSvc);
2940
2941 if (RT_SUCCESS(rc))
2942 {
2943 Assert(mhCrOglSvc);
2944 /* setup command completion callback */
2945 VBOXVDMACMD_CHROMIUM_CTL_CRHGSMI_SETUP_COMPLETION Completion;
2946 Completion.Hdr.enmType = VBOXVDMACMD_CHROMIUM_CTL_TYPE_CRHGSMI_SETUP_COMPLETION;
2947 Completion.Hdr.cbCmd = sizeof (Completion);
2948 Completion.hCompletion = mpDrv->pVBVACallbacks;
2949 Completion.pfnCompletion = mpDrv->pVBVACallbacks->pfnCrHgsmiCommandCompleteAsync;
2950
2951 int rc = VERR_INVALID_FUNCTION;
2952 VBOXHGCMSVCPARM parm;
2953 parm.type = VBOX_HGCM_SVC_PARM_PTR;
2954 parm.u.pointer.addr = &Completion;
2955 parm.u.pointer.size = 0;
2956
2957 rc = pVMMDev->hgcmHostCall("VBoxSharedCrOpenGL", SHCRGL_HOST_FN_CRHGSMI_CTL, 1, &parm);
2958 if (RT_SUCCESS(rc))
2959 return;
2960
2961 AssertMsgFailed(("VBOXVDMACMD_CHROMIUM_CTL_TYPE_CRHGSMI_SETUP_COMPLETION failed rc %d", rc));
2962 }
2963
2964 mhCrOglSvc = NULL;
2965}
2966
2967void Display::destructCrHgsmiData(void)
2968{
2969 mhCrOglSvc = NULL;
2970}
2971#endif
2972
2973/**
2974 * Changes the current frame buffer. Called on EMT to avoid both
2975 * race conditions and excessive locking.
2976 *
2977 * @note locks this object for writing
2978 * @thread EMT
2979 */
2980/* static */
2981DECLCALLBACK(int) Display::changeFramebuffer (Display *that, IFramebuffer *aFB,
2982 unsigned uScreenId)
2983{
2984 LogRelFlowFunc (("uScreenId = %d\n", uScreenId));
2985
2986 AssertReturn(that, VERR_INVALID_PARAMETER);
2987 AssertReturn(uScreenId < that->mcMonitors, VERR_INVALID_PARAMETER);
2988
2989 AutoCaller autoCaller(that);
2990 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2991
2992 AutoWriteLock alock(that COMMA_LOCKVAL_SRC_POS);
2993
2994 DISPLAYFBINFO *pDisplayFBInfo = &that->maFramebuffers[uScreenId];
2995 pDisplayFBInfo->pFramebuffer = aFB;
2996
2997 that->mParent->consoleVRDPServer()->SendResize ();
2998
2999 /* The driver might not have been constructed yet */
3000 if (that->mpDrv)
3001 {
3002 /* Setup the new framebuffer, the resize will lead to an updateDisplayData call. */
3003 DISPLAYFBINFO *pFBInfo = &that->maFramebuffers[uScreenId];
3004
3005#if defined(VBOX_WITH_CROGL)
3006 /* Leave the lock, because SHCRGL_HOST_FN_SCREEN_CHANGED will read current framebuffer */
3007 {
3008 BOOL is3denabled;
3009 that->mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
3010
3011 if (is3denabled)
3012 {
3013 alock.leave ();
3014 }
3015 }
3016#endif
3017
3018 if (pFBInfo->fVBVAEnabled && pFBInfo->pu8FramebufferVRAM)
3019 {
3020 /* This display in VBVA mode. Resize it to the last guest resolution,
3021 * if it has been reported.
3022 */
3023 that->handleDisplayResize(uScreenId, pFBInfo->u16BitsPerPixel,
3024 pFBInfo->pu8FramebufferVRAM,
3025 pFBInfo->u32LineSize,
3026 pFBInfo->w,
3027 pFBInfo->h,
3028 pFBInfo->flags);
3029 }
3030 else if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
3031 {
3032 /* VGA device mode, only for the primary screen. */
3033 that->handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, that->mLastBitsPerPixel,
3034 that->mLastAddress,
3035 that->mLastBytesPerLine,
3036 that->mLastWidth,
3037 that->mLastHeight,
3038 that->mLastFlags);
3039 }
3040 }
3041
3042 LogRelFlowFunc (("leave\n"));
3043 return VINF_SUCCESS;
3044}
3045
3046/**
3047 * Handle display resize event issued by the VGA device for the primary screen.
3048 *
3049 * @see PDMIDISPLAYCONNECTOR::pfnResize
3050 */
3051DECLCALLBACK(int) Display::displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface,
3052 uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy)
3053{
3054 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3055
3056 LogRelFlowFunc (("bpp %d, pvVRAM %p, cbLine %d, cx %d, cy %d\n",
3057 bpp, pvVRAM, cbLine, cx, cy));
3058
3059 return pDrv->pDisplay->handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, bpp, pvVRAM, cbLine, cx, cy, VBVA_SCREEN_F_ACTIVE);
3060}
3061
3062/**
3063 * Handle display update.
3064 *
3065 * @see PDMIDISPLAYCONNECTOR::pfnUpdateRect
3066 */
3067DECLCALLBACK(void) Display::displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
3068 uint32_t x, uint32_t y, uint32_t cx, uint32_t cy)
3069{
3070 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3071
3072#ifdef DEBUG_sunlover
3073 LogFlowFunc (("mfVideoAccelEnabled = %d, %d,%d %dx%d\n",
3074 pDrv->pDisplay->mfVideoAccelEnabled, x, y, cx, cy));
3075#endif /* DEBUG_sunlover */
3076
3077 /* This call does update regardless of VBVA status.
3078 * But in VBVA mode this is called only as result of
3079 * pfnUpdateDisplayAll in the VGA device.
3080 */
3081
3082 pDrv->pDisplay->handleDisplayUpdate(VBOX_VIDEO_PRIMARY_SCREEN, x, y, cx, cy);
3083}
3084
3085/**
3086 * Periodic display refresh callback.
3087 *
3088 * @see PDMIDISPLAYCONNECTOR::pfnRefresh
3089 */
3090DECLCALLBACK(void) Display::displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface)
3091{
3092 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3093
3094#ifdef DEBUG_sunlover
3095 STAM_PROFILE_START(&StatDisplayRefresh, a);
3096#endif /* DEBUG_sunlover */
3097
3098#ifdef DEBUG_sunlover_2
3099 LogFlowFunc (("pDrv->pDisplay->mfVideoAccelEnabled = %d\n",
3100 pDrv->pDisplay->mfVideoAccelEnabled));
3101#endif /* DEBUG_sunlover_2 */
3102
3103 Display *pDisplay = pDrv->pDisplay;
3104 bool fNoUpdate = false; /* Do not update the display if any of the framebuffers is being resized. */
3105 unsigned uScreenId;
3106
3107 for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
3108 {
3109 DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
3110
3111 /* Check the resize status. The status can be checked normally because
3112 * the status affects only the EMT.
3113 */
3114 uint32_t u32ResizeStatus = pFBInfo->u32ResizeStatus;
3115
3116 if (u32ResizeStatus == ResizeStatus_UpdateDisplayData)
3117 {
3118 LogRelFlowFunc (("ResizeStatus_UpdateDisplayData %d\n", uScreenId));
3119 fNoUpdate = true; /* Always set it here, because pfnUpdateDisplayAll can cause a new resize. */
3120 /* The framebuffer was resized and display data need to be updated. */
3121 pDisplay->handleResizeCompletedEMT ();
3122 if (pFBInfo->u32ResizeStatus != ResizeStatus_Void)
3123 {
3124 /* The resize status could be not Void here because a pending resize is issued. */
3125 continue;
3126 }
3127 /* Continue with normal processing because the status here is ResizeStatus_Void.
3128 * Repaint all displays because VM continued to run during the framebuffer resize.
3129 */
3130 pDisplay->InvalidateAndUpdateEMT(pDisplay);
3131 }
3132 else if (u32ResizeStatus == ResizeStatus_InProgress)
3133 {
3134 /* The framebuffer is being resized. Do not call the VGA device back. Immediately return. */
3135 LogRelFlowFunc (("ResizeStatus_InProcess\n"));
3136 fNoUpdate = true;
3137 continue;
3138 }
3139 }
3140
3141 if (!fNoUpdate)
3142 {
3143 int rc = pDisplay->videoAccelRefreshProcess();
3144
3145 if (rc != VINF_TRY_AGAIN) /* Means 'do nothing' here. */
3146 {
3147 if (rc == VWRN_INVALID_STATE)
3148 {
3149 /* No VBVA do a display update. */
3150 DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN];
3151 if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
3152 {
3153 Assert(pDrv->IConnector.pu8Data);
3154 pDisplay->vbvaLock();
3155 pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
3156 pDisplay->vbvaUnlock();
3157 }
3158 }
3159
3160 /* Inform the VRDP server that the current display update sequence is
3161 * completed. At this moment the framebuffer memory contains a definite
3162 * image, that is synchronized with the orders already sent to VRDP client.
3163 * The server can now process redraw requests from clients or initial
3164 * fullscreen updates for new clients.
3165 */
3166 for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
3167 {
3168 DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
3169
3170 if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
3171 {
3172 Assert (pDisplay->mParent && pDisplay->mParent->consoleVRDPServer());
3173 pDisplay->mParent->consoleVRDPServer()->SendUpdate (uScreenId, NULL, 0);
3174 }
3175 }
3176 }
3177 }
3178
3179#ifdef DEBUG_sunlover
3180 STAM_PROFILE_STOP(&StatDisplayRefresh, a);
3181#endif /* DEBUG_sunlover */
3182#ifdef DEBUG_sunlover_2
3183 LogFlowFunc (("leave\n"));
3184#endif /* DEBUG_sunlover_2 */
3185}
3186
3187/**
3188 * Reset notification
3189 *
3190 * @see PDMIDISPLAYCONNECTOR::pfnReset
3191 */
3192DECLCALLBACK(void) Display::displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface)
3193{
3194 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3195
3196 LogRelFlowFunc (("\n"));
3197
3198 /* Disable VBVA mode. */
3199 pDrv->pDisplay->VideoAccelEnable (false, NULL);
3200}
3201
3202/**
3203 * LFBModeChange notification
3204 *
3205 * @see PDMIDISPLAYCONNECTOR::pfnLFBModeChange
3206 */
3207DECLCALLBACK(void) Display::displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled)
3208{
3209 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3210
3211 LogRelFlowFunc (("fEnabled=%d\n", fEnabled));
3212
3213 NOREF(fEnabled);
3214
3215 /* Disable VBVA mode in any case. The guest driver reenables VBVA mode if necessary. */
3216 /* The LFBModeChange function is called under DevVGA lock. Postpone disabling VBVA, do it in the refresh timer. */
3217 ASMAtomicWriteU32(&pDrv->pDisplay->mfu32PendingVideoAccelDisable, true);
3218}
3219
3220/**
3221 * Adapter information change notification.
3222 *
3223 * @see PDMIDISPLAYCONNECTOR::pfnProcessAdapterData
3224 */
3225DECLCALLBACK(void) Display::displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, uint32_t u32VRAMSize)
3226{
3227 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3228
3229 if (pvVRAM == NULL)
3230 {
3231 unsigned i;
3232 for (i = 0; i < pDrv->pDisplay->mcMonitors; i++)
3233 {
3234 DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[i];
3235
3236 pFBInfo->u32Offset = 0;
3237 pFBInfo->u32MaxFramebufferSize = 0;
3238 pFBInfo->u32InformationSize = 0;
3239 }
3240 }
3241#ifndef VBOX_WITH_HGSMI
3242 else
3243 {
3244 uint8_t *pu8 = (uint8_t *)pvVRAM;
3245 pu8 += u32VRAMSize - VBOX_VIDEO_ADAPTER_INFORMATION_SIZE;
3246
3247 // @todo
3248 uint8_t *pu8End = pu8 + VBOX_VIDEO_ADAPTER_INFORMATION_SIZE;
3249
3250 VBOXVIDEOINFOHDR *pHdr;
3251
3252 for (;;)
3253 {
3254 pHdr = (VBOXVIDEOINFOHDR *)pu8;
3255 pu8 += sizeof (VBOXVIDEOINFOHDR);
3256
3257 if (pu8 >= pu8End)
3258 {
3259 LogRel(("VBoxVideo: Guest adapter information overflow!!!\n"));
3260 break;
3261 }
3262
3263 if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_DISPLAY)
3264 {
3265 if (pHdr->u16Length != sizeof (VBOXVIDEOINFODISPLAY))
3266 {
3267 LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "DISPLAY", pHdr->u16Length));
3268 break;
3269 }
3270
3271 VBOXVIDEOINFODISPLAY *pDisplay = (VBOXVIDEOINFODISPLAY *)pu8;
3272
3273 if (pDisplay->u32Index >= pDrv->pDisplay->mcMonitors)
3274 {
3275 LogRel(("VBoxVideo: Guest adapter information invalid display index %d!!!\n", pDisplay->u32Index));
3276 break;
3277 }
3278
3279 DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[pDisplay->u32Index];
3280
3281 pFBInfo->u32Offset = pDisplay->u32Offset;
3282 pFBInfo->u32MaxFramebufferSize = pDisplay->u32FramebufferSize;
3283 pFBInfo->u32InformationSize = pDisplay->u32InformationSize;
3284
3285 LogRelFlow(("VBOX_VIDEO_INFO_TYPE_DISPLAY: %d: at 0x%08X, size 0x%08X, info 0x%08X\n", pDisplay->u32Index, pDisplay->u32Offset, pDisplay->u32FramebufferSize, pDisplay->u32InformationSize));
3286 }
3287 else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_QUERY_CONF32)
3288 {
3289 if (pHdr->u16Length != sizeof (VBOXVIDEOINFOQUERYCONF32))
3290 {
3291 LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "CONF32", pHdr->u16Length));
3292 break;
3293 }
3294
3295 VBOXVIDEOINFOQUERYCONF32 *pConf32 = (VBOXVIDEOINFOQUERYCONF32 *)pu8;
3296
3297 switch (pConf32->u32Index)
3298 {
3299 case VBOX_VIDEO_QCI32_MONITOR_COUNT:
3300 {
3301 pConf32->u32Value = pDrv->pDisplay->mcMonitors;
3302 } break;
3303
3304 case VBOX_VIDEO_QCI32_OFFSCREEN_HEAP_SIZE:
3305 {
3306 /* @todo make configurable. */
3307 pConf32->u32Value = _1M;
3308 } break;
3309
3310 default:
3311 LogRel(("VBoxVideo: CONF32 %d not supported!!! Skipping.\n", pConf32->u32Index));
3312 }
3313 }
3314 else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
3315 {
3316 if (pHdr->u16Length != 0)
3317 {
3318 LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
3319 break;
3320 }
3321
3322 break;
3323 }
3324 else if (pHdr->u8Type != VBOX_VIDEO_INFO_TYPE_NV_HEAP) /** @todo why is Additions/WINNT/Graphics/Miniport/VBoxVideo.cpp pushing this to us? */
3325 {
3326 LogRel(("Guest adapter information contains unsupported type %d. The block has been skipped.\n", pHdr->u8Type));
3327 }
3328
3329 pu8 += pHdr->u16Length;
3330 }
3331 }
3332#endif /* !VBOX_WITH_HGSMI */
3333}
3334
3335/**
3336 * Display information change notification.
3337 *
3338 * @see PDMIDISPLAYCONNECTOR::pfnProcessDisplayData
3339 */
3340DECLCALLBACK(void) Display::displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, unsigned uScreenId)
3341{
3342 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3343
3344 if (uScreenId >= pDrv->pDisplay->mcMonitors)
3345 {
3346 LogRel(("VBoxVideo: Guest display information invalid display index %d!!!\n", uScreenId));
3347 return;
3348 }
3349
3350 /* Get the display information structure. */
3351 DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[uScreenId];
3352
3353 uint8_t *pu8 = (uint8_t *)pvVRAM;
3354 pu8 += pFBInfo->u32Offset + pFBInfo->u32MaxFramebufferSize;
3355
3356 // @todo
3357 uint8_t *pu8End = pu8 + pFBInfo->u32InformationSize;
3358
3359 VBOXVIDEOINFOHDR *pHdr;
3360
3361 for (;;)
3362 {
3363 pHdr = (VBOXVIDEOINFOHDR *)pu8;
3364 pu8 += sizeof (VBOXVIDEOINFOHDR);
3365
3366 if (pu8 >= pu8End)
3367 {
3368 LogRel(("VBoxVideo: Guest display information overflow!!!\n"));
3369 break;
3370 }
3371
3372 if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_SCREEN)
3373 {
3374 if (pHdr->u16Length != sizeof (VBOXVIDEOINFOSCREEN))
3375 {
3376 LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "SCREEN", pHdr->u16Length));
3377 break;
3378 }
3379
3380 VBOXVIDEOINFOSCREEN *pScreen = (VBOXVIDEOINFOSCREEN *)pu8;
3381
3382 pFBInfo->xOrigin = pScreen->xOrigin;
3383 pFBInfo->yOrigin = pScreen->yOrigin;
3384
3385 pFBInfo->w = pScreen->u16Width;
3386 pFBInfo->h = pScreen->u16Height;
3387
3388 LogRelFlow(("VBOX_VIDEO_INFO_TYPE_SCREEN: (%p) %d: at %d,%d, linesize 0x%X, size %dx%d, bpp %d, flags 0x%02X\n",
3389 pHdr, uScreenId, pScreen->xOrigin, pScreen->yOrigin, pScreen->u32LineSize, pScreen->u16Width, pScreen->u16Height, pScreen->bitsPerPixel, pScreen->u8Flags));
3390
3391 if (uScreenId != VBOX_VIDEO_PRIMARY_SCREEN)
3392 {
3393 /* Primary screen resize is initiated by the VGA device. */
3394 pDrv->pDisplay->handleDisplayResize(uScreenId, pScreen->bitsPerPixel, (uint8_t *)pvVRAM + pFBInfo->u32Offset, pScreen->u32LineSize, pScreen->u16Width, pScreen->u16Height, VBVA_SCREEN_F_ACTIVE);
3395 }
3396 }
3397 else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
3398 {
3399 if (pHdr->u16Length != 0)
3400 {
3401 LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
3402 break;
3403 }
3404
3405 break;
3406 }
3407 else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_HOST_EVENTS)
3408 {
3409 if (pHdr->u16Length != sizeof (VBOXVIDEOINFOHOSTEVENTS))
3410 {
3411 LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "HOST_EVENTS", pHdr->u16Length));
3412 break;
3413 }
3414
3415 VBOXVIDEOINFOHOSTEVENTS *pHostEvents = (VBOXVIDEOINFOHOSTEVENTS *)pu8;
3416
3417 pFBInfo->pHostEvents = pHostEvents;
3418
3419 LogFlow(("VBOX_VIDEO_INFO_TYPE_HOSTEVENTS: (%p)\n",
3420 pHostEvents));
3421 }
3422 else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_LINK)
3423 {
3424 if (pHdr->u16Length != sizeof (VBOXVIDEOINFOLINK))
3425 {
3426 LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "LINK", pHdr->u16Length));
3427 break;
3428 }
3429
3430 VBOXVIDEOINFOLINK *pLink = (VBOXVIDEOINFOLINK *)pu8;
3431 pu8 += pLink->i32Offset;
3432 }
3433 else
3434 {
3435 LogRel(("Guest display information contains unsupported type %d\n", pHdr->u8Type));
3436 }
3437
3438 pu8 += pHdr->u16Length;
3439 }
3440}
3441
3442#ifdef VBOX_WITH_VIDEOHWACCEL
3443
3444void Display::handleVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand)
3445{
3446 unsigned id = (unsigned)pCommand->iDisplay;
3447 int rc = VINF_SUCCESS;
3448 if (id < mcMonitors)
3449 {
3450 IFramebuffer *pFramebuffer = maFramebuffers[id].pFramebuffer;
3451#ifdef DEBUG_misha
3452 Assert (pFramebuffer);
3453#endif
3454
3455 if (pFramebuffer != NULL)
3456 {
3457 HRESULT hr = pFramebuffer->ProcessVHWACommand((BYTE*)pCommand);
3458 if (FAILED(hr))
3459 {
3460 rc = (hr == E_NOTIMPL) ? VERR_NOT_IMPLEMENTED : VERR_GENERAL_FAILURE;
3461 }
3462 }
3463 else
3464 {
3465 rc = VERR_NOT_IMPLEMENTED;
3466 }
3467 }
3468 else
3469 {
3470 rc = VERR_INVALID_PARAMETER;
3471 }
3472
3473 if (RT_FAILURE(rc))
3474 {
3475 /* tell the guest the command is complete */
3476 pCommand->Flags &= (~VBOXVHWACMD_FLAG_HG_ASYNCH);
3477 pCommand->rc = rc;
3478 }
3479}
3480
3481DECLCALLBACK(void) Display::displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand)
3482{
3483 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3484
3485 pDrv->pDisplay->handleVHWACommandProcess(pInterface, pCommand);
3486}
3487#endif
3488
3489#ifdef VBOX_WITH_CRHGSMI
3490void Display::handleCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam)
3491{
3492 mpDrv->pVBVACallbacks->pfnCrHgsmiCommandCompleteAsync(mpDrv->pVBVACallbacks, (PVBOXVDMACMD_CHROMIUM_CMD)pParam->u.pointer.addr, result);
3493}
3494
3495void Display::handleCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam)
3496{
3497 mpDrv->pVBVACallbacks->pfnCrHgsmiControlCompleteAsync(mpDrv->pVBVACallbacks, (PVBOXVDMACMD_CHROMIUM_CTL)pParam->u.pointer.addr, result);
3498}
3499
3500void Display::handleCrHgsmiCommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CMD pCmd)
3501{
3502 int rc = VERR_INVALID_FUNCTION;
3503 VBOXHGCMSVCPARM parm;
3504 parm.type = VBOX_HGCM_SVC_PARM_PTR;
3505 parm.u.pointer.addr = pCmd;
3506 parm.u.pointer.size = 0;
3507
3508 if (mhCrOglSvc)
3509 {
3510 VMMDev *pVMMDev = mParent->getVMMDev();
3511 if (pVMMDev)
3512 {
3513 /* no completion callback is specified with this call,
3514 * the CrOgl code will complete the CrHgsmi command once it processes it */
3515 rc = pVMMDev->hgcmHostFastCallAsync(mhCrOglSvc, SHCRGL_HOST_FN_CRHGSMI_CMD, &parm, NULL, NULL);
3516 AssertRC(rc);
3517 if (RT_SUCCESS(rc))
3518 return;
3519 }
3520 else
3521 rc = VERR_INVALID_STATE;
3522 }
3523
3524 /* we are here because something went wrong with command processing, complete it */
3525 handleCrHgsmiCommandCompletion(rc, SHCRGL_HOST_FN_CRHGSMI_CMD, &parm);
3526}
3527
3528void Display::handleCrHgsmiControlProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CTL pCtl)
3529{
3530 int rc = VERR_INVALID_FUNCTION;
3531 VBOXHGCMSVCPARM parm;
3532 parm.type = VBOX_HGCM_SVC_PARM_PTR;
3533 parm.u.pointer.addr = pCtl;
3534 parm.u.pointer.size = 0;
3535
3536 if (mhCrOglSvc)
3537 {
3538 VMMDev *pVMMDev = mParent->getVMMDev();
3539 if (pVMMDev)
3540 {
3541 rc = pVMMDev->hgcmHostFastCallAsync(mhCrOglSvc, SHCRGL_HOST_FN_CRHGSMI_CTL, &parm, Display::displayCrHgsmiControlCompletion, this);
3542 AssertRC(rc);
3543 if (RT_SUCCESS(rc))
3544 return;
3545 }
3546 else
3547 rc = VERR_INVALID_STATE;
3548 }
3549
3550 /* we are here because something went wrong with command processing, complete it */
3551 handleCrHgsmiControlCompletion(rc, SHCRGL_HOST_FN_CRHGSMI_CTL, &parm);
3552}
3553
3554
3555DECLCALLBACK(void) Display::displayCrHgsmiCommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CMD pCmd)
3556{
3557 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3558
3559 pDrv->pDisplay->handleCrHgsmiCommandProcess(pInterface, pCmd);
3560}
3561
3562DECLCALLBACK(void) Display::displayCrHgsmiControlProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVDMACMD_CHROMIUM_CTL pCmd)
3563{
3564 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3565
3566 pDrv->pDisplay->handleCrHgsmiControlProcess(pInterface, pCmd);
3567}
3568
3569DECLCALLBACK(void) Display::displayCrHgsmiCommandCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam, void *pvContext)
3570{
3571 AssertMsgFailed(("not expected!"));
3572 Display *pDisplay = (Display *)pvContext;
3573 pDisplay->handleCrHgsmiCommandCompletion(result, u32Function, pParam);
3574}
3575
3576DECLCALLBACK(void) Display::displayCrHgsmiControlCompletion(int32_t result, uint32_t u32Function, PVBOXHGCMSVCPARM pParam, void *pvContext)
3577{
3578 Display *pDisplay = (Display *)pvContext;
3579 pDisplay->handleCrHgsmiControlCompletion(result, u32Function, pParam);
3580}
3581#endif
3582
3583
3584#ifdef VBOX_WITH_HGSMI
3585DECLCALLBACK(int) Display::displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, PVBVAHOSTFLAGS pHostFlags)
3586{
3587 LogRelFlowFunc(("uScreenId %d\n", uScreenId));
3588
3589 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3590 Display *pThis = pDrv->pDisplay;
3591
3592 pThis->maFramebuffers[uScreenId].fVBVAEnabled = true;
3593 pThis->maFramebuffers[uScreenId].pVBVAHostFlags = pHostFlags;
3594
3595 vbvaSetMemoryFlagsHGSMI(uScreenId, pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, &pThis->maFramebuffers[uScreenId]);
3596
3597 return VINF_SUCCESS;
3598}
3599
3600DECLCALLBACK(void) Display::displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3601{
3602 LogRelFlowFunc(("uScreenId %d\n", uScreenId));
3603
3604 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3605 Display *pThis = pDrv->pDisplay;
3606
3607 DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3608
3609 pFBInfo->fVBVAEnabled = false;
3610
3611 vbvaSetMemoryFlagsHGSMI(uScreenId, 0, false, pFBInfo);
3612
3613 pFBInfo->pVBVAHostFlags = NULL;
3614
3615 pFBInfo->u32Offset = 0; /* Not used in HGSMI. */
3616 pFBInfo->u32MaxFramebufferSize = 0; /* Not used in HGSMI. */
3617 pFBInfo->u32InformationSize = 0; /* Not used in HGSMI. */
3618
3619 pFBInfo->xOrigin = 0;
3620 pFBInfo->yOrigin = 0;
3621
3622 pFBInfo->w = 0;
3623 pFBInfo->h = 0;
3624
3625 pFBInfo->u16BitsPerPixel = 0;
3626 pFBInfo->pu8FramebufferVRAM = NULL;
3627 pFBInfo->u32LineSize = 0;
3628}
3629
3630DECLCALLBACK(void) Display::displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
3631{
3632 LogFlowFunc(("uScreenId %d\n", uScreenId));
3633
3634 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3635 Display *pThis = pDrv->pDisplay;
3636 DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3637
3638 if (ASMAtomicReadU32(&pThis->mu32UpdateVBVAFlags) > 0)
3639 {
3640 vbvaSetMemoryFlagsAllHGSMI(pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, pThis->maFramebuffers, pThis->mcMonitors);
3641 ASMAtomicDecU32(&pThis->mu32UpdateVBVAFlags);
3642 }
3643
3644 if (RT_LIKELY(pFBInfo->u32ResizeStatus == ResizeStatus_Void))
3645 {
3646 if (RT_UNLIKELY(pFBInfo->cVBVASkipUpdate != 0))
3647 {
3648 /* Some updates were skipped. Note: displayVBVAUpdate* callbacks are called
3649 * under display device lock, so thread safe.
3650 */
3651 pFBInfo->cVBVASkipUpdate = 0;
3652 pThis->handleDisplayUpdate(uScreenId, pFBInfo->vbvaSkippedRect.xLeft - pFBInfo->xOrigin,
3653 pFBInfo->vbvaSkippedRect.yTop - pFBInfo->yOrigin,
3654 pFBInfo->vbvaSkippedRect.xRight - pFBInfo->vbvaSkippedRect.xLeft,
3655 pFBInfo->vbvaSkippedRect.yBottom - pFBInfo->vbvaSkippedRect.yTop);
3656 }
3657 }
3658 else
3659 {
3660 /* The framebuffer is being resized. */
3661 pFBInfo->cVBVASkipUpdate++;
3662 }
3663}
3664
3665DECLCALLBACK(void) Display::displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, const PVBVACMDHDR pCmd, size_t cbCmd)
3666{
3667 LogFlowFunc(("uScreenId %d pCmd %p cbCmd %d, @%d,%d %dx%d\n", uScreenId, pCmd, cbCmd, pCmd->x, pCmd->y, pCmd->w, pCmd->h));
3668
3669 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3670 Display *pThis = pDrv->pDisplay;
3671 DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3672
3673 if (RT_LIKELY(pFBInfo->cVBVASkipUpdate == 0))
3674 {
3675 if (pFBInfo->fDefaultFormat)
3676 {
3677 /* Make sure that framebuffer contains the same image as the guest VRAM. */
3678 if ( uScreenId == VBOX_VIDEO_PRIMARY_SCREEN
3679 && !pFBInfo->pFramebuffer.isNull()
3680 && !pFBInfo->fDisabled)
3681 {
3682 pDrv->pUpPort->pfnUpdateDisplayRect (pDrv->pUpPort, pCmd->x, pCmd->y, pCmd->w, pCmd->h);
3683 }
3684 else if ( !pFBInfo->pFramebuffer.isNull()
3685 && !(pFBInfo->fDisabled))
3686 {
3687 /* Render VRAM content to the framebuffer. */
3688 BYTE *address = NULL;
3689 HRESULT hrc = pFBInfo->pFramebuffer->COMGETTER(Address) (&address);
3690 if (SUCCEEDED(hrc) && address != NULL)
3691 {
3692 uint32_t width = pCmd->w;
3693 uint32_t height = pCmd->h;
3694
3695 const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM;
3696 int32_t xSrc = pCmd->x - pFBInfo->xOrigin;
3697 int32_t ySrc = pCmd->y - pFBInfo->yOrigin;
3698 uint32_t u32SrcWidth = pFBInfo->w;
3699 uint32_t u32SrcHeight = pFBInfo->h;
3700 uint32_t u32SrcLineSize = pFBInfo->u32LineSize;
3701 uint32_t u32SrcBitsPerPixel = pFBInfo->u16BitsPerPixel;
3702
3703 uint8_t *pu8Dst = address;
3704 int32_t xDst = xSrc;
3705 int32_t yDst = ySrc;
3706 uint32_t u32DstWidth = u32SrcWidth;
3707 uint32_t u32DstHeight = u32SrcHeight;
3708 uint32_t u32DstLineSize = u32DstWidth * 4;
3709 uint32_t u32DstBitsPerPixel = 32;
3710
3711 pDrv->pUpPort->pfnCopyRect(pDrv->pUpPort,
3712 width, height,
3713 pu8Src,
3714 xSrc, ySrc,
3715 u32SrcWidth, u32SrcHeight,
3716 u32SrcLineSize, u32SrcBitsPerPixel,
3717 pu8Dst,
3718 xDst, yDst,
3719 u32DstWidth, u32DstHeight,
3720 u32DstLineSize, u32DstBitsPerPixel);
3721 }
3722 }
3723 }
3724
3725 VBVACMDHDR hdrSaved = *pCmd;
3726
3727 VBVACMDHDR *pHdrUnconst = (VBVACMDHDR *)pCmd;
3728
3729 pHdrUnconst->x -= (int16_t)pFBInfo->xOrigin;
3730 pHdrUnconst->y -= (int16_t)pFBInfo->yOrigin;
3731
3732 /* @todo new SendUpdate entry which can get a separate cmd header or coords. */
3733 pThis->mParent->consoleVRDPServer()->SendUpdate (uScreenId, pCmd, cbCmd);
3734
3735 *pHdrUnconst = hdrSaved;
3736 }
3737}
3738
3739DECLCALLBACK(void) Display::displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y, uint32_t cx, uint32_t cy)
3740{
3741 LogFlowFunc(("uScreenId %d %d,%d %dx%d\n", uScreenId, x, y, cx, cy));
3742
3743 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3744 Display *pThis = pDrv->pDisplay;
3745 DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
3746
3747 /* @todo handleFramebufferUpdate (uScreenId,
3748 * x - pThis->maFramebuffers[uScreenId].xOrigin,
3749 * y - pThis->maFramebuffers[uScreenId].yOrigin,
3750 * cx, cy);
3751 */
3752 if (RT_LIKELY(pFBInfo->cVBVASkipUpdate == 0))
3753 {
3754 pThis->handleDisplayUpdate(uScreenId, x - pFBInfo->xOrigin, y - pFBInfo->yOrigin, cx, cy);
3755 }
3756 else
3757 {
3758 /* Save the updated rectangle. */
3759 int32_t xRight = x + cx;
3760 int32_t yBottom = y + cy;
3761
3762 if (pFBInfo->cVBVASkipUpdate == 1)
3763 {
3764 pFBInfo->vbvaSkippedRect.xLeft = x;
3765 pFBInfo->vbvaSkippedRect.yTop = y;
3766 pFBInfo->vbvaSkippedRect.xRight = xRight;
3767 pFBInfo->vbvaSkippedRect.yBottom = yBottom;
3768 }
3769 else
3770 {
3771 if (pFBInfo->vbvaSkippedRect.xLeft > x)
3772 {
3773 pFBInfo->vbvaSkippedRect.xLeft = x;
3774 }
3775 if (pFBInfo->vbvaSkippedRect.yTop > y)
3776 {
3777 pFBInfo->vbvaSkippedRect.yTop = y;
3778 }
3779 if (pFBInfo->vbvaSkippedRect.xRight < xRight)
3780 {
3781 pFBInfo->vbvaSkippedRect.xRight = xRight;
3782 }
3783 if (pFBInfo->vbvaSkippedRect.yBottom < yBottom)
3784 {
3785 pFBInfo->vbvaSkippedRect.yBottom = yBottom;
3786 }
3787 }
3788 }
3789}
3790
3791#ifdef DEBUG_sunlover
3792static void logVBVAResize(const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, const DISPLAYFBINFO *pFBInfo)
3793{
3794 LogRel(("displayVBVAResize: [%d] %s\n"
3795 " pView->u32ViewIndex %d\n"
3796 " pView->u32ViewOffset 0x%08X\n"
3797 " pView->u32ViewSize 0x%08X\n"
3798 " pView->u32MaxScreenSize 0x%08X\n"
3799 " pScreen->i32OriginX %d\n"
3800 " pScreen->i32OriginY %d\n"
3801 " pScreen->u32StartOffset 0x%08X\n"
3802 " pScreen->u32LineSize 0x%08X\n"
3803 " pScreen->u32Width %d\n"
3804 " pScreen->u32Height %d\n"
3805 " pScreen->u16BitsPerPixel %d\n"
3806 " pScreen->u16Flags 0x%04X\n"
3807 " pFBInfo->u32Offset 0x%08X\n"
3808 " pFBInfo->u32MaxFramebufferSize 0x%08X\n"
3809 " pFBInfo->u32InformationSize 0x%08X\n"
3810 " pFBInfo->fDisabled %d\n"
3811 " xOrigin, yOrigin, w, h: %d,%d %dx%d\n"
3812 " pFBInfo->u16BitsPerPixel %d\n"
3813 " pFBInfo->pu8FramebufferVRAM %p\n"
3814 " pFBInfo->u32LineSize 0x%08X\n"
3815 " pFBInfo->flags 0x%04X\n"
3816 " pFBInfo->pHostEvents %p\n"
3817 " pFBInfo->u32ResizeStatus %d\n"
3818 " pFBInfo->fDefaultFormat %d\n"
3819 " dirtyRect %d-%d %d-%d\n"
3820 " pFBInfo->pendingResize.fPending %d\n"
3821 " pFBInfo->pendingResize.pixelFormat %d\n"
3822 " pFBInfo->pendingResize.pvVRAM %p\n"
3823 " pFBInfo->pendingResize.bpp %d\n"
3824 " pFBInfo->pendingResize.cbLine 0x%08X\n"
3825 " pFBInfo->pendingResize.w,h %dx%d\n"
3826 " pFBInfo->pendingResize.flags 0x%04X\n"
3827 " pFBInfo->fVBVAEnabled %d\n"
3828 " pFBInfo->cVBVASkipUpdate %d\n"
3829 " pFBInfo->vbvaSkippedRect %d-%d %d-%d\n"
3830 " pFBInfo->pVBVAHostFlags %p\n"
3831 "",
3832 pScreen->u32ViewIndex,
3833 (pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)? "DISABLED": "ENABLED",
3834 pView->u32ViewIndex,
3835 pView->u32ViewOffset,
3836 pView->u32ViewSize,
3837 pView->u32MaxScreenSize,
3838 pScreen->i32OriginX,
3839 pScreen->i32OriginY,
3840 pScreen->u32StartOffset,
3841 pScreen->u32LineSize,
3842 pScreen->u32Width,
3843 pScreen->u32Height,
3844 pScreen->u16BitsPerPixel,
3845 pScreen->u16Flags,
3846 pFBInfo->u32Offset,
3847 pFBInfo->u32MaxFramebufferSize,
3848 pFBInfo->u32InformationSize,
3849 pFBInfo->fDisabled,
3850 pFBInfo->xOrigin,
3851 pFBInfo->yOrigin,
3852 pFBInfo->w,
3853 pFBInfo->h,
3854 pFBInfo->u16BitsPerPixel,
3855 pFBInfo->pu8FramebufferVRAM,
3856 pFBInfo->u32LineSize,
3857 pFBInfo->flags,
3858 pFBInfo->pHostEvents,
3859 pFBInfo->u32ResizeStatus,
3860 pFBInfo->fDefaultFormat,
3861 pFBInfo->dirtyRect.xLeft,
3862 pFBInfo->dirtyRect.xRight,
3863 pFBInfo->dirtyRect.yTop,
3864 pFBInfo->dirtyRect.yBottom,
3865 pFBInfo->pendingResize.fPending,
3866 pFBInfo->pendingResize.pixelFormat,
3867 pFBInfo->pendingResize.pvVRAM,
3868 pFBInfo->pendingResize.bpp,
3869 pFBInfo->pendingResize.cbLine,
3870 pFBInfo->pendingResize.w,
3871 pFBInfo->pendingResize.h,
3872 pFBInfo->pendingResize.flags,
3873 pFBInfo->fVBVAEnabled,
3874 pFBInfo->cVBVASkipUpdate,
3875 pFBInfo->vbvaSkippedRect.xLeft,
3876 pFBInfo->vbvaSkippedRect.yTop,
3877 pFBInfo->vbvaSkippedRect.xRight,
3878 pFBInfo->vbvaSkippedRect.yBottom,
3879 pFBInfo->pVBVAHostFlags
3880 ));
3881}
3882#endif /* DEBUG_sunlover */
3883
3884DECLCALLBACK(int) Display::displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, void *pvVRAM)
3885{
3886 LogRelFlowFunc(("pScreen %p, pvVRAM %p\n", pScreen, pvVRAM));
3887
3888 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
3889 Display *pThis = pDrv->pDisplay;
3890
3891 DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[pScreen->u32ViewIndex];
3892
3893 if (pScreen->u16Flags & VBVA_SCREEN_F_DISABLED)
3894 {
3895 pFBInfo->fDisabled = true;
3896 pFBInfo->flags = pScreen->u16Flags;
3897
3898 /* Temporary: ask framebuffer to resize using a default format. The framebuffer will be black. */
3899 pThis->handleDisplayResize(pScreen->u32ViewIndex, 0,
3900 (uint8_t *)NULL,
3901 pScreen->u32LineSize, pScreen->u32Width,
3902 pScreen->u32Height, pScreen->u16Flags);
3903
3904 fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
3905 GuestMonitorChangedEventType_Disabled,
3906 pScreen->u32ViewIndex,
3907 0, 0, 0, 0);
3908 return VINF_SUCCESS;
3909 }
3910
3911 /* If display was disabled or there is no framebuffer, a resize will be required,
3912 * because the framebuffer was/will be changed.
3913 */
3914 bool fResize = pFBInfo->fDisabled || pFBInfo->pFramebuffer.isNull();
3915
3916 if (pFBInfo->fDisabled)
3917 {
3918 pFBInfo->fDisabled = false;
3919 fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
3920 GuestMonitorChangedEventType_Enabled,
3921 pScreen->u32ViewIndex,
3922 pScreen->i32OriginX, pScreen->i32OriginY,
3923 pScreen->u32Width, pScreen->u32Height);
3924 /* Continue to update pFBInfo. */
3925 }
3926
3927 /* Check if this is a real resize or a notification about the screen origin.
3928 * The guest uses this VBVAResize call for both.
3929 */
3930 fResize = fResize
3931 || pFBInfo->u16BitsPerPixel != pScreen->u16BitsPerPixel
3932 || pFBInfo->pu8FramebufferVRAM != (uint8_t *)pvVRAM + pScreen->u32StartOffset
3933 || pFBInfo->u32LineSize != pScreen->u32LineSize
3934 || pFBInfo->w != pScreen->u32Width
3935 || pFBInfo->h != pScreen->u32Height;
3936
3937 bool fNewOrigin = pFBInfo->xOrigin != pScreen->i32OriginX
3938 || pFBInfo->yOrigin != pScreen->i32OriginY;
3939
3940 pFBInfo->u32Offset = pView->u32ViewOffset; /* Not used in HGSMI. */
3941 pFBInfo->u32MaxFramebufferSize = pView->u32MaxScreenSize; /* Not used in HGSMI. */
3942 pFBInfo->u32InformationSize = 0; /* Not used in HGSMI. */
3943
3944 pFBInfo->xOrigin = pScreen->i32OriginX;
3945 pFBInfo->yOrigin = pScreen->i32OriginY;
3946
3947 pFBInfo->w = pScreen->u32Width;
3948 pFBInfo->h = pScreen->u32Height;
3949
3950 pFBInfo->u16BitsPerPixel = pScreen->u16BitsPerPixel;
3951 pFBInfo->pu8FramebufferVRAM = (uint8_t *)pvVRAM + pScreen->u32StartOffset;
3952 pFBInfo->u32LineSize = pScreen->u32LineSize;
3953
3954 pFBInfo->flags = pScreen->u16Flags;
3955
3956 if (fNewOrigin)
3957 {
3958 fireGuestMonitorChangedEvent(pThis->mParent->getEventSource(),
3959 GuestMonitorChangedEventType_NewOrigin,
3960 pScreen->u32ViewIndex,
3961 pScreen->i32OriginX, pScreen->i32OriginY,
3962 0, 0);
3963 }
3964
3965#if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)
3966 if (fNewOrigin && !fResize)
3967 {
3968 BOOL is3denabled;
3969 pThis->mParent->machine()->COMGETTER(Accelerate3DEnabled)(&is3denabled);
3970
3971 if (is3denabled)
3972 {
3973 VBOXHGCMSVCPARM parm;
3974
3975 parm.type = VBOX_HGCM_SVC_PARM_32BIT;
3976 parm.u.uint32 = pScreen->u32ViewIndex;
3977
3978 VMMDev *pVMMDev = pThis->mParent->getVMMDev();
3979
3980 if (pVMMDev)
3981 pVMMDev->hgcmHostCall("VBoxSharedCrOpenGL", SHCRGL_HOST_FN_SCREEN_CHANGED, SHCRGL_CPARMS_SCREEN_CHANGED, &parm);
3982 }
3983 }
3984#endif /* VBOX_WITH_CROGL */
3985
3986 if (!fResize)
3987 {
3988 /* No parameters of the framebuffer have actually changed. */
3989 if (fNewOrigin)
3990 {
3991 /* VRDP server still need this notification. */
3992 LogRelFlowFunc (("Calling VRDP\n"));
3993 pThis->mParent->consoleVRDPServer()->SendResize();
3994 }
3995 return VINF_SUCCESS;
3996 }
3997
3998 if (pFBInfo->pFramebuffer.isNull())
3999 {
4000 /* If no framebuffer, the resize will be done later when a new framebuffer will be set in changeFramebuffer. */
4001 return VINF_SUCCESS;
4002 }
4003
4004 /* If the framebuffer already set for the screen, do a regular resize. */
4005 return pThis->handleDisplayResize(pScreen->u32ViewIndex, pScreen->u16BitsPerPixel,
4006 (uint8_t *)pvVRAM + pScreen->u32StartOffset,
4007 pScreen->u32LineSize, pScreen->u32Width, pScreen->u32Height, pScreen->u16Flags);
4008}
4009
4010DECLCALLBACK(int) Display::displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
4011 uint32_t xHot, uint32_t yHot,
4012 uint32_t cx, uint32_t cy,
4013 const void *pvShape)
4014{
4015 LogFlowFunc(("\n"));
4016
4017 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
4018 Display *pThis = pDrv->pDisplay;
4019
4020 size_t cbShapeSize = 0;
4021
4022 if (pvShape)
4023 {
4024 cbShapeSize = (cx + 7) / 8 * cy; /* size of the AND mask */
4025 cbShapeSize = ((cbShapeSize + 3) & ~3) + cx * 4 * cy; /* + gap + size of the XOR mask */
4026 }
4027 com::SafeArray<BYTE> shapeData(cbShapeSize);
4028
4029 if (pvShape)
4030 ::memcpy(shapeData.raw(), pvShape, cbShapeSize);
4031
4032 /* Tell the console about it */
4033 pDrv->pDisplay->mParent->onMousePointerShapeChange(fVisible, fAlpha,
4034 xHot, yHot, cx, cy, ComSafeArrayAsInParam(shapeData));
4035
4036 return VINF_SUCCESS;
4037}
4038#endif /* VBOX_WITH_HGSMI */
4039
4040/**
4041 * @interface_method_impl{PDMIBASE,pfnQueryInterface}
4042 */
4043DECLCALLBACK(void *) Display::drvQueryInterface(PPDMIBASE pInterface, const char *pszIID)
4044{
4045 PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
4046 PDRVMAINDISPLAY pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
4047 PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
4048 PDMIBASE_RETURN_INTERFACE(pszIID, PDMIDISPLAYCONNECTOR, &pDrv->IConnector);
4049 return NULL;
4050}
4051
4052
4053/**
4054 * Destruct a display driver instance.
4055 *
4056 * @returns VBox status.
4057 * @param pDrvIns The driver instance data.
4058 */
4059DECLCALLBACK(void) Display::drvDestruct(PPDMDRVINS pDrvIns)
4060{
4061 PDRVMAINDISPLAY pData = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
4062 LogRelFlowFunc (("iInstance=%d\n", pDrvIns->iInstance));
4063 PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
4064
4065 if (pData->pDisplay)
4066 {
4067 AutoWriteLock displayLock(pData->pDisplay COMMA_LOCKVAL_SRC_POS);
4068#ifdef VBOX_WITH_CRHGSMI
4069 pData->pDisplay->destructCrHgsmiData();
4070#endif
4071 pData->pDisplay->mpDrv = NULL;
4072 pData->pDisplay->mpVMMDev = NULL;
4073 pData->pDisplay->mLastAddress = NULL;
4074 pData->pDisplay->mLastBytesPerLine = 0;
4075 pData->pDisplay->mLastBitsPerPixel = 0,
4076 pData->pDisplay->mLastWidth = 0;
4077 pData->pDisplay->mLastHeight = 0;
4078 }
4079}
4080
4081
4082/**
4083 * Construct a display driver instance.
4084 *
4085 * @copydoc FNPDMDRVCONSTRUCT
4086 */
4087DECLCALLBACK(int) Display::drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
4088{
4089 PDRVMAINDISPLAY pData = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
4090 LogRelFlowFunc (("iInstance=%d\n", pDrvIns->iInstance));
4091 PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
4092
4093 /*
4094 * Validate configuration.
4095 */
4096 if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
4097 return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
4098 AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
4099 ("Configuration error: Not possible to attach anything to this driver!\n"),
4100 VERR_PDM_DRVINS_NO_ATTACH);
4101
4102 /*
4103 * Init Interfaces.
4104 */
4105 pDrvIns->IBase.pfnQueryInterface = Display::drvQueryInterface;
4106
4107 pData->IConnector.pfnResize = Display::displayResizeCallback;
4108 pData->IConnector.pfnUpdateRect = Display::displayUpdateCallback;
4109 pData->IConnector.pfnRefresh = Display::displayRefreshCallback;
4110 pData->IConnector.pfnReset = Display::displayResetCallback;
4111 pData->IConnector.pfnLFBModeChange = Display::displayLFBModeChangeCallback;
4112 pData->IConnector.pfnProcessAdapterData = Display::displayProcessAdapterDataCallback;
4113 pData->IConnector.pfnProcessDisplayData = Display::displayProcessDisplayDataCallback;
4114#ifdef VBOX_WITH_VIDEOHWACCEL
4115 pData->IConnector.pfnVHWACommandProcess = Display::displayVHWACommandProcess;
4116#endif
4117#ifdef VBOX_WITH_CRHGSMI
4118 pData->IConnector.pfnCrHgsmiCommandProcess = Display::displayCrHgsmiCommandProcess;
4119 pData->IConnector.pfnCrHgsmiControlProcess = Display::displayCrHgsmiControlProcess;
4120#endif
4121#ifdef VBOX_WITH_HGSMI
4122 pData->IConnector.pfnVBVAEnable = Display::displayVBVAEnable;
4123 pData->IConnector.pfnVBVADisable = Display::displayVBVADisable;
4124 pData->IConnector.pfnVBVAUpdateBegin = Display::displayVBVAUpdateBegin;
4125 pData->IConnector.pfnVBVAUpdateProcess = Display::displayVBVAUpdateProcess;
4126 pData->IConnector.pfnVBVAUpdateEnd = Display::displayVBVAUpdateEnd;
4127 pData->IConnector.pfnVBVAResize = Display::displayVBVAResize;
4128 pData->IConnector.pfnVBVAMousePointerShape = Display::displayVBVAMousePointerShape;
4129#endif
4130
4131
4132 /*
4133 * Get the IDisplayPort interface of the above driver/device.
4134 */
4135 pData->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYPORT);
4136 if (!pData->pUpPort)
4137 {
4138 AssertMsgFailed(("Configuration error: No display port interface above!\n"));
4139 return VERR_PDM_MISSING_INTERFACE_ABOVE;
4140 }
4141#if defined(VBOX_WITH_VIDEOHWACCEL) || defined(VBOX_WITH_CRHGSMI)
4142 pData->pVBVACallbacks = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYVBVACALLBACKS);
4143 if (!pData->pVBVACallbacks)
4144 {
4145 AssertMsgFailed(("Configuration error: No VBVA callback interface above!\n"));
4146 return VERR_PDM_MISSING_INTERFACE_ABOVE;
4147 }
4148#endif
4149 /*
4150 * Get the Display object pointer and update the mpDrv member.
4151 */
4152 void *pv;
4153 int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
4154 if (RT_FAILURE(rc))
4155 {
4156 AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
4157 return rc;
4158 }
4159 pData->pDisplay = (Display *)pv; /** @todo Check this cast! */
4160 pData->pDisplay->mpDrv = pData;
4161
4162 /*
4163 * Update our display information according to the framebuffer
4164 */
4165 pData->pDisplay->updateDisplayData();
4166
4167 /*
4168 * Start periodic screen refreshes
4169 */
4170 pData->pUpPort->pfnSetRefreshRate(pData->pUpPort, 20);
4171
4172#ifdef VBOX_WITH_CRHGSMI
4173 pData->pDisplay->setupCrHgsmiData();
4174#endif
4175
4176 return VINF_SUCCESS;
4177}
4178
4179
4180/**
4181 * Display driver registration record.
4182 */
4183const PDMDRVREG Display::DrvReg =
4184{
4185 /* u32Version */
4186 PDM_DRVREG_VERSION,
4187 /* szName */
4188 "MainDisplay",
4189 /* szRCMod */
4190 "",
4191 /* szR0Mod */
4192 "",
4193 /* pszDescription */
4194 "Main display driver (Main as in the API).",
4195 /* fFlags */
4196 PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
4197 /* fClass. */
4198 PDM_DRVREG_CLASS_DISPLAY,
4199 /* cMaxInstances */
4200 ~0,
4201 /* cbInstance */
4202 sizeof(DRVMAINDISPLAY),
4203 /* pfnConstruct */
4204 Display::drvConstruct,
4205 /* pfnDestruct */
4206 Display::drvDestruct,
4207 /* pfnRelocate */
4208 NULL,
4209 /* pfnIOCtl */
4210 NULL,
4211 /* pfnPowerOn */
4212 NULL,
4213 /* pfnReset */
4214 NULL,
4215 /* pfnSuspend */
4216 NULL,
4217 /* pfnResume */
4218 NULL,
4219 /* pfnAttach */
4220 NULL,
4221 /* pfnDetach */
4222 NULL,
4223 /* pfnPowerOff */
4224 NULL,
4225 /* pfnSoftReset */
4226 NULL,
4227 /* u32EndVersion */
4228 PDM_DRVREG_VERSION
4229};
4230/* vi: set tabstop=4 shiftwidth=4 expandtab: */
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