DisplayImpl.cpp revision a39ea3668b7019c23a68936259545f9b71bce1aa
/* $Id$ */
/** @file
* VirtualBox COM class implementation
*/
/*
* Copyright (C) 2006-2010 Sun Microsystems, Inc.
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
#include "DisplayImpl.h"
#include "ConsoleImpl.h"
#include "ConsoleVRDPServer.h"
#include "VMMDev.h"
#include "AutoCaller.h"
#include "Logging.h"
#include <iprt/semaphore.h>
#include <iprt/thread.h>
#include <iprt/asm.h>
#include <VBox/pdmdrv.h>
#ifdef DEBUG /* for VM_ASSERT_EMT(). */
# include <VBox/vm.h>
#endif
#ifdef VBOX_WITH_VIDEOHWACCEL
# include <VBox/VBoxVideo.h>
#endif
#include <VBox/com/array.h>
#include <png.h>
/**
* Display driver instance data.
*
* @implements PDMIDISPLAYCONNECTOR
*/
typedef struct DRVMAINDISPLAY
{
/** Pointer to the display object. */
Display *pDisplay;
/** Pointer to the driver instance structure. */
PPDMDRVINS pDrvIns;
/** Pointer to the keyboard port interface of the driver/device above us. */
PPDMIDISPLAYPORT pUpPort;
/** Our display connector interface. */
PDMIDISPLAYCONNECTOR IConnector;
#if defined(VBOX_WITH_VIDEOHWACCEL)
/** VBVA callbacks */
PPDMIDISPLAYVBVACALLBACKS pVBVACallbacks;
#endif
} DRVMAINDISPLAY, *PDRVMAINDISPLAY;
/** Converts PDMIDISPLAYCONNECTOR pointer to a DRVMAINDISPLAY pointer. */
#define PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface) RT_FROM_MEMBER(pInterface, DRVMAINDISPLAY, IConnector)
#ifdef DEBUG_sunlover
static STAMPROFILE StatDisplayRefresh;
static int stam = 0;
#endif /* DEBUG_sunlover */
// constructor / destructor
/////////////////////////////////////////////////////////////////////////////
DEFINE_EMPTY_CTOR_DTOR(Display)
HRESULT Display::FinalConstruct()
{
mpVbvaMemory = NULL;
mfVideoAccelEnabled = false;
mfVideoAccelVRDP = false;
mfu32SupportedOrders = 0;
mcVideoAccelVRDPRefs = 0;
mpPendingVbvaMemory = NULL;
mfPendingVideoAccelEnable = false;
mfMachineRunning = false;
mpu8VbvaPartial = NULL;
mcbVbvaPartial = 0;
mpDrv = NULL;
mpVMMDev = NULL;
mfVMMDevInited = false;
mLastAddress = NULL;
mLastBytesPerLine = 0;
mLastBitsPerPixel = 0,
mLastWidth = 0;
mLastHeight = 0;
#ifdef VBOX_WITH_OLD_VBVA_LOCK
int rc = RTCritSectInit (&mVBVALock);
AssertRC (rc);
mfu32PendingVideoAccelDisable = false;
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
#ifdef VBOX_WITH_HGSMI
mu32UpdateVBVAFlags = 0;
#endif
return S_OK;
}
void Display::FinalRelease()
{
uninit();
#ifdef VBOX_WITH_OLD_VBVA_LOCK
if (RTCritSectIsInitialized (&mVBVALock))
{
RTCritSectDelete (&mVBVALock);
memset (&mVBVALock, 0, sizeof (mVBVALock));
}
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
}
// public initializer/uninitializer for internal purposes only
/////////////////////////////////////////////////////////////////////////////
#define sSSMDisplayScreenshotVer 0x00010001
#define sSSMDisplayVer 0x00010001
#define kMaxSizePNG 1024
#define kMaxSizeThumbnail 64
/**
* Save thumbnail and screenshot of the guest screen.
*/
static int displayMakeThumbnail(uint8_t *pu8Data, uint32_t cx, uint32_t cy,
uint8_t **ppu8Thumbnail, uint32_t *pcbThumbnail, uint32_t *pcxThumbnail, uint32_t *pcyThumbnail)
{
int rc = VINF_SUCCESS;
uint8_t *pu8Thumbnail = NULL;
uint32_t cbThumbnail = 0;
uint32_t cxThumbnail = 0;
uint32_t cyThumbnail = 0;
if (cx > cy)
{
cxThumbnail = kMaxSizeThumbnail;
cyThumbnail = (kMaxSizeThumbnail * cy) / cx;
}
else
{
cyThumbnail = kMaxSizeThumbnail;
cxThumbnail = (kMaxSizeThumbnail * cx) / cy;
}
LogFlowFunc(("%dx%d -> %dx%d\n", cx, cy, cxThumbnail, cyThumbnail));
cbThumbnail = cxThumbnail * 4 * cyThumbnail;
pu8Thumbnail = (uint8_t *)RTMemAlloc(cbThumbnail);
if (pu8Thumbnail)
{
uint8_t *dst = pu8Thumbnail;
uint8_t *src = pu8Data;
int dstX = 0;
int dstY = 0;
int srcX = 0;
int srcY = 0;
int dstW = cxThumbnail;
int dstH = cyThumbnail;
int srcW = cx;
int srcH = cy;
gdImageCopyResampled (dst,
src,
dstX, dstY,
srcX, srcY,
dstW, dstH, srcW, srcH);
*ppu8Thumbnail = pu8Thumbnail;
*pcbThumbnail = cbThumbnail;
*pcxThumbnail = cxThumbnail;
*pcyThumbnail = cyThumbnail;
}
else
{
rc = VERR_NO_MEMORY;
}
return rc;
}
typedef struct PNGWriteCtx
{
uint8_t *pu8PNG;
uint32_t cbPNG;
uint32_t cbAllocated;
int rc;
} PNGWriteCtx;
static void PNGAPI png_write_data_fn(png_structp png_ptr, png_bytep p, png_size_t cb)
{
PNGWriteCtx *pCtx = (PNGWriteCtx *)png_get_io_ptr(png_ptr);
LogFlowFunc(("png_ptr %p, p %p, cb %d, pCtx %p\n", png_ptr, p, cb, pCtx));
if (pCtx && RT_SUCCESS(pCtx->rc))
{
if (pCtx->cbAllocated - pCtx->cbPNG < cb)
{
uint32_t cbNew = pCtx->cbPNG + (uint32_t)cb;
cbNew = RT_ALIGN_32(cbNew, 4096) + 4096;
void *pNew = RTMemRealloc(pCtx->pu8PNG, cbNew);
if (!pNew)
{
pCtx->rc = VERR_NO_MEMORY;
return;
}
pCtx->pu8PNG = (uint8_t *)pNew;
pCtx->cbAllocated = cbNew;
}
memcpy(pCtx->pu8PNG + pCtx->cbPNG, p, cb);
pCtx->cbPNG += cb;
}
}
static void PNGAPI png_output_flush_fn(png_structp png_ptr)
{
NOREF(png_ptr);
/* Do nothing. */
}
static int displayMakePNG(uint8_t *pu8Data, uint32_t cx, uint32_t cy,
uint8_t **ppu8PNG, uint32_t *pcbPNG, uint32_t *pcxPNG, uint32_t *pcyPNG)
{
int rc = VINF_SUCCESS;
uint8_t * volatile pu8Bitmap = NULL; /* gcc setjmp warning */
uint32_t volatile cbBitmap = 0; /* gcc setjmp warning */
uint32_t volatile cxBitmap = 0; /* gcc setjmp warning */
uint32_t volatile cyBitmap = 0; /* gcc setjmp warning */
if (cx < kMaxSizePNG && cy < kMaxSizePNG)
{
/* Save unscaled screenshot. */
pu8Bitmap = pu8Data;
cbBitmap = cx * 4 * cy;
cxBitmap = cx;
cyBitmap = cy;
}
else
{
/* Large screenshot, scale. */
if (cx > cy)
{
cxBitmap = kMaxSizePNG;
cyBitmap = (kMaxSizePNG * cy) / cx;
}
else
{
cyBitmap = kMaxSizePNG;
cxBitmap = (kMaxSizePNG * cx) / cy;
}
cbBitmap = cxBitmap * 4 * cyBitmap;
pu8Bitmap = (uint8_t *)RTMemAlloc(cbBitmap);
if (pu8Bitmap)
{
uint8_t *dst = pu8Bitmap;
uint8_t *src = pu8Data;
int dstX = 0;
int dstY = 0;
int srcX = 0;
int srcY = 0;
int dstW = cxBitmap;
int dstH = cyBitmap;
int srcW = cx;
int srcH = cy;
gdImageCopyResampled (dst,
src,
dstX, dstY,
srcX, srcY,
dstW, dstH, srcW, srcH);
}
else
{
rc = VERR_NO_MEMORY;
}
}
LogFlowFunc(("%dx%d -> %dx%d\n", cx, cy, cxBitmap, cyBitmap));
if (RT_SUCCESS(rc))
{
png_bytep *row_pointers = (png_bytep *)RTMemAlloc(cyBitmap * sizeof(png_bytep));
if (row_pointers)
{
png_infop info_ptr = NULL;
png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING,
(png_voidp)NULL, /* error/warning context pointer */
(png_error_ptr)NULL, /* error function */
(png_error_ptr)NULL /* warning function */);
if (png_ptr)
{
info_ptr = png_create_info_struct(png_ptr);
if (info_ptr)
{
if (!setjmp(png_jmpbuf(png_ptr)))
{
PNGWriteCtx ctx;
ctx.pu8PNG = NULL;
ctx.cbPNG = 0;
ctx.cbAllocated = 0;
ctx.rc = VINF_SUCCESS;
png_set_write_fn(png_ptr,
(voidp)&ctx,
png_write_data_fn,
png_output_flush_fn);
png_set_IHDR(png_ptr, info_ptr,
cxBitmap, cyBitmap,
8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
png_bytep row_pointer = (png_bytep)pu8Bitmap;
unsigned i = 0;
for (; i < cyBitmap; i++, row_pointer += cxBitmap * 4)
{
row_pointers[i] = row_pointer;
}
png_set_rows(png_ptr, info_ptr, &row_pointers[0]);
png_write_info(png_ptr, info_ptr);
png_set_filler(png_ptr, 0, PNG_FILLER_AFTER);
png_set_bgr(png_ptr);
if (info_ptr->valid & PNG_INFO_IDAT)
png_write_image(png_ptr, info_ptr->row_pointers);
png_write_end(png_ptr, info_ptr);
rc = ctx.rc;
if (RT_SUCCESS(rc))
{
*ppu8PNG = ctx.pu8PNG;
*pcbPNG = ctx.cbPNG;
*pcxPNG = cxBitmap;
*pcyPNG = cyBitmap;
LogFlowFunc(("PNG %d bytes, bitmap %d bytes\n", ctx.cbPNG, cbBitmap));
}
}
else
{
rc = VERR_GENERAL_FAILURE; /* Something within libpng. */
}
}
else
{
rc = VERR_NO_MEMORY;
}
png_destroy_write_struct(&png_ptr, info_ptr ? &info_ptr
: (png_infopp)NULL);
}
else
{
rc = VERR_NO_MEMORY;
}
RTMemFree(row_pointers);
}
else
{
rc = VERR_NO_MEMORY;
}
}
if (pu8Bitmap && pu8Bitmap != pu8Data)
{
RTMemFree(pu8Bitmap);
}
return rc;
}
DECLCALLBACK(void)
Display::displaySSMSaveScreenshot(PSSMHANDLE pSSM, void *pvUser)
{
Display *that = static_cast<Display*>(pvUser);
/* 32bpp small RGB image. */
uint8_t *pu8Thumbnail = NULL;
uint32_t cbThumbnail = 0;
uint32_t cxThumbnail = 0;
uint32_t cyThumbnail = 0;
/* PNG screenshot. */
uint8_t *pu8PNG = NULL;
uint32_t cbPNG = 0;
uint32_t cxPNG = 0;
uint32_t cyPNG = 0;
Console::SafeVMPtr pVM (that->mParent);
if (SUCCEEDED(pVM.rc()))
{
/* Query RGB bitmap. */
uint8_t *pu8Data = NULL;
size_t cbData = 0;
uint32_t cx = 0;
uint32_t cy = 0;
/* SSM code is executed on EMT(0), therefore no need to use VMR3ReqCallWait. */
#ifdef VBOX_WITH_OLD_VBVA_LOCK
int rc = Display::displayTakeScreenshotEMT(that, &pu8Data, &cbData, &cx, &cy);
#else
int rc = that->mpDrv->pUpPort->pfnTakeScreenshot (that->mpDrv->pUpPort, &pu8Data, &cbData, &cx, &cy);
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
if (RT_SUCCESS(rc))
{
/* Prepare a small thumbnail and a PNG screenshot. */
displayMakeThumbnail(pu8Data, cx, cy, &pu8Thumbnail, &cbThumbnail, &cxThumbnail, &cyThumbnail);
displayMakePNG(pu8Data, cx, cy, &pu8PNG, &cbPNG, &cxPNG, &cyPNG);
/* This can be called from any thread. */
that->mpDrv->pUpPort->pfnFreeScreenshot (that->mpDrv->pUpPort, pu8Data);
}
}
else
{
LogFunc(("Failed to get VM pointer 0x%x\n", pVM.rc()));
}
/* Regardless of rc, save what is available:
* Data format:
* uint32_t cBlocks;
* [blocks]
*
* Each block is:
* uint32_t cbBlock; if 0 - no 'block data'.
* uint32_t typeOfBlock; 0 - 32bpp RGB bitmap, 1 - PNG, ignored if 'cbBlock' is 0.
* [block data]
*
* Block data for bitmap and PNG:
* uint32_t cx;
* uint32_t cy;
* [image data]
*/
SSMR3PutU32(pSSM, 2); /* Write thumbnail and PNG screenshot. */
/* First block. */
SSMR3PutU32(pSSM, cbThumbnail + 2 * sizeof (uint32_t));
SSMR3PutU32(pSSM, 0); /* Block type: thumbnail. */
if (cbThumbnail)
{
SSMR3PutU32(pSSM, cxThumbnail);
SSMR3PutU32(pSSM, cyThumbnail);
SSMR3PutMem(pSSM, pu8Thumbnail, cbThumbnail);
}
/* Second block. */
SSMR3PutU32(pSSM, cbPNG + 2 * sizeof (uint32_t));
SSMR3PutU32(pSSM, 1); /* Block type: png. */
if (cbPNG)
{
SSMR3PutU32(pSSM, cxPNG);
SSMR3PutU32(pSSM, cyPNG);
SSMR3PutMem(pSSM, pu8PNG, cbPNG);
}
RTMemFree(pu8PNG);
RTMemFree(pu8Thumbnail);
}
DECLCALLBACK(int)
Display::displaySSMLoadScreenshot(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
{
Display *that = static_cast<Display*>(pvUser);
if (uVersion != sSSMDisplayScreenshotVer)
return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
/* Skip data. */
uint32_t cBlocks;
int rc = SSMR3GetU32(pSSM, &cBlocks);
AssertRCReturn(rc, rc);
for (uint32_t i = 0; i < cBlocks; i++)
{
uint32_t cbBlock;
rc = SSMR3GetU32(pSSM, &cbBlock);
AssertRCBreak(rc);
uint32_t typeOfBlock;
rc = SSMR3GetU32(pSSM, &typeOfBlock);
AssertRCBreak(rc);
LogFlowFunc(("[%d] type %d, size %d bytes\n", i, typeOfBlock, cbBlock));
if (cbBlock != 0)
{
rc = SSMR3Skip(pSSM, cbBlock);
AssertRCBreak(rc);
}
}
return rc;
}
/**
* Save/Load some important guest state
*/
DECLCALLBACK(void)
Display::displaySSMSave(PSSMHANDLE pSSM, void *pvUser)
{
Display *that = static_cast<Display*>(pvUser);
SSMR3PutU32(pSSM, that->mcMonitors);
for (unsigned i = 0; i < that->mcMonitors; i++)
{
SSMR3PutU32(pSSM, that->maFramebuffers[i].u32Offset);
SSMR3PutU32(pSSM, that->maFramebuffers[i].u32MaxFramebufferSize);
SSMR3PutU32(pSSM, that->maFramebuffers[i].u32InformationSize);
}
}
DECLCALLBACK(int)
Display::displaySSMLoad(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPass)
{
Display *that = static_cast<Display*>(pvUser);
if (uVersion != sSSMDisplayVer)
return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
uint32_t cMonitors;
int rc = SSMR3GetU32(pSSM, &cMonitors);
if (cMonitors != that->mcMonitors)
return SSMR3SetCfgError(pSSM, RT_SRC_POS, N_("Number of monitors changed (%d->%d)!"), cMonitors, that->mcMonitors);
for (uint32_t i = 0; i < cMonitors; i++)
{
SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32Offset);
SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32MaxFramebufferSize);
SSMR3GetU32(pSSM, &that->maFramebuffers[i].u32InformationSize);
}
return VINF_SUCCESS;
}
/**
* Initializes the display object.
*
* @returns COM result indicator
* @param parent handle of our parent object
* @param qemuConsoleData address of common console data structure
*/
HRESULT Display::init (Console *aParent)
{
LogFlowThisFunc(("aParent=%p\n", aParent));
ComAssertRet (aParent, E_INVALIDARG);
/* Enclose the state transition NotReady->InInit->Ready */
AutoInitSpan autoInitSpan(this);
AssertReturn(autoInitSpan.isOk(), E_FAIL);
unconst(mParent) = aParent;
// by default, we have an internal framebuffer which is
// NULL, i.e. a black hole for no display output
mFramebufferOpened = false;
ULONG ul;
mParent->machine()->COMGETTER(MonitorCount)(&ul);
mcMonitors = ul;
for (ul = 0; ul < mcMonitors; ul++)
{
maFramebuffers[ul].u32Offset = 0;
maFramebuffers[ul].u32MaxFramebufferSize = 0;
maFramebuffers[ul].u32InformationSize = 0;
maFramebuffers[ul].pFramebuffer = NULL;
maFramebuffers[ul].xOrigin = 0;
maFramebuffers[ul].yOrigin = 0;
maFramebuffers[ul].w = 0;
maFramebuffers[ul].h = 0;
maFramebuffers[ul].pHostEvents = NULL;
maFramebuffers[ul].u32ResizeStatus = ResizeStatus_Void;
maFramebuffers[ul].fDefaultFormat = false;
memset (&maFramebuffers[ul].dirtyRect, 0 , sizeof (maFramebuffers[ul].dirtyRect));
memset (&maFramebuffers[ul].pendingResize, 0 , sizeof (maFramebuffers[ul].pendingResize));
#ifdef VBOX_WITH_HGSMI
maFramebuffers[ul].fVBVAEnabled = false;
maFramebuffers[ul].cVBVASkipUpdate = 0;
memset (&maFramebuffers[ul].vbvaSkippedRect, 0, sizeof (maFramebuffers[ul].vbvaSkippedRect));
maFramebuffers[ul].pVBVAHostFlags = NULL;
#endif /* VBOX_WITH_HGSMI */
}
mParent->RegisterCallback (this);
/* Confirm a successful initialization */
autoInitSpan.setSucceeded();
return S_OK;
}
/**
* Uninitializes the instance and sets the ready flag to FALSE.
* Called either from FinalRelease() or by the parent when it gets destroyed.
*/
void Display::uninit()
{
LogFlowThisFunc(("\n"));
/* Enclose the state transition Ready->InUninit->NotReady */
AutoUninitSpan autoUninitSpan(this);
if (autoUninitSpan.uninitDone())
return;
ULONG ul;
for (ul = 0; ul < mcMonitors; ul++)
maFramebuffers[ul].pFramebuffer = NULL;
if (mParent)
mParent->UnregisterCallback (this);
unconst(mParent).setNull();
if (mpDrv)
mpDrv->pDisplay = NULL;
mpDrv = NULL;
mpVMMDev = NULL;
mfVMMDevInited = true;
}
/**
* Register the SSM methods. Called by the power up thread to be able to
* pass pVM
*/
int Display::registerSSM(PVM pVM)
{
int rc = SSMR3RegisterExternal(pVM, "DisplayData", 0, sSSMDisplayVer,
mcMonitors * sizeof(uint32_t) * 3 + sizeof(uint32_t),
NULL, NULL, NULL,
NULL, displaySSMSave, NULL,
NULL, displaySSMLoad, NULL, this);
AssertRCReturn(rc, rc);
/*
* Register loaders for old saved states where iInstance was 3 * sizeof(uint32_t *).
*/
rc = SSMR3RegisterExternal(pVM, "DisplayData", 12 /*uInstance*/, sSSMDisplayVer, 0 /*cbGuess*/,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, displaySSMLoad, NULL, this);
AssertRCReturn(rc, rc);
rc = SSMR3RegisterExternal(pVM, "DisplayData", 24 /*uInstance*/, sSSMDisplayVer, 0 /*cbGuess*/,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, displaySSMLoad, NULL, this);
AssertRCReturn(rc, rc);
/* uInstance is an arbitrary value greater than 1024. Such a value will ensure a quick seek in saved state file. */
rc = SSMR3RegisterExternal(pVM, "DisplayScreenshot", 1100 /*uInstance*/, sSSMDisplayScreenshotVer, 0 /*cbGuess*/,
NULL, NULL, NULL,
NULL, displaySSMSaveScreenshot, NULL,
NULL, displaySSMLoadScreenshot, NULL, this);
AssertRCReturn(rc, rc);
return VINF_SUCCESS;
}
// IConsoleCallback method
STDMETHODIMP Display::OnStateChange(MachineState_T machineState)
{
if ( machineState == MachineState_Running
|| machineState == MachineState_Teleporting
|| machineState == MachineState_LiveSnapshotting
)
{
LogFlowFunc(("Machine is running.\n"));
mfMachineRunning = true;
}
else
mfMachineRunning = false;
return S_OK;
}
// public methods only for internal purposes
/////////////////////////////////////////////////////////////////////////////
/**
* @thread EMT
*/
static int callFramebufferResize (IFramebuffer *pFramebuffer, unsigned uScreenId,
ULONG pixelFormat, void *pvVRAM,
uint32_t bpp, uint32_t cbLine,
int w, int h)
{
Assert (pFramebuffer);
/* Call the framebuffer to try and set required pixelFormat. */
BOOL finished = TRUE;
pFramebuffer->RequestResize (uScreenId, pixelFormat, (BYTE *) pvVRAM,
bpp, cbLine, w, h, &finished);
if (!finished)
{
LogFlowFunc (("External framebuffer wants us to wait!\n"));
return VINF_VGA_RESIZE_IN_PROGRESS;
}
return VINF_SUCCESS;
}
/**
* Handles display resize event.
* Disables access to VGA device;
* calls the framebuffer RequestResize method;
* if framebuffer resizes synchronously,
* updates the display connector data and enables access to the VGA device.
*
* @param w New display width
* @param h New display height
*
* @thread EMT
*/
int Display::handleDisplayResize (unsigned uScreenId, uint32_t bpp, void *pvVRAM,
uint32_t cbLine, int w, int h)
{
LogRel (("Display::handleDisplayResize(): uScreenId = %d, pvVRAM=%p "
"w=%d h=%d bpp=%d cbLine=0x%X\n",
uScreenId, pvVRAM, w, h, bpp, cbLine));
/* If there is no framebuffer, this call is not interesting. */
if ( uScreenId >= mcMonitors
|| maFramebuffers[uScreenId].pFramebuffer.isNull())
{
return VINF_SUCCESS;
}
mLastAddress = pvVRAM;
mLastBytesPerLine = cbLine;
mLastBitsPerPixel = bpp,
mLastWidth = w;
mLastHeight = h;
ULONG pixelFormat;
switch (bpp)
{
case 32:
case 24:
case 16:
pixelFormat = FramebufferPixelFormat_FOURCC_RGB;
break;
default:
pixelFormat = FramebufferPixelFormat_Opaque;
bpp = cbLine = 0;
break;
}
/* Atomically set the resize status before calling the framebuffer. The new InProgress status will
* disable access to the VGA device by the EMT thread.
*/
bool f = ASMAtomicCmpXchgU32 (&maFramebuffers[uScreenId].u32ResizeStatus,
ResizeStatus_InProgress, ResizeStatus_Void);
if (!f)
{
/* This could be a result of the screenshot taking call Display::TakeScreenShot:
* if the framebuffer is processing the resize request and GUI calls the TakeScreenShot
* and the guest has reprogrammed the virtual VGA devices again so a new resize is required.
*
* Save the resize information and return the pending status code.
*
* Note: the resize information is only accessed on EMT so no serialization is required.
*/
LogRel (("Display::handleDisplayResize(): Warning: resize postponed.\n"));
maFramebuffers[uScreenId].pendingResize.fPending = true;
maFramebuffers[uScreenId].pendingResize.pixelFormat = pixelFormat;
maFramebuffers[uScreenId].pendingResize.pvVRAM = pvVRAM;
maFramebuffers[uScreenId].pendingResize.bpp = bpp;
maFramebuffers[uScreenId].pendingResize.cbLine = cbLine;
maFramebuffers[uScreenId].pendingResize.w = w;
maFramebuffers[uScreenId].pendingResize.h = h;
return VINF_VGA_RESIZE_IN_PROGRESS;
}
int rc = callFramebufferResize (maFramebuffers[uScreenId].pFramebuffer, uScreenId,
pixelFormat, pvVRAM, bpp, cbLine, w, h);
if (rc == VINF_VGA_RESIZE_IN_PROGRESS)
{
/* Immediately return to the caller. ResizeCompleted will be called back by the
* GUI thread. The ResizeCompleted callback will change the resize status from
* InProgress to UpdateDisplayData. The latter status will be checked by the
* display timer callback on EMT and all required adjustments will be done there.
*/
return rc;
}
/* Set the status so the 'handleResizeCompleted' would work. */
f = ASMAtomicCmpXchgU32 (&maFramebuffers[uScreenId].u32ResizeStatus,
ResizeStatus_UpdateDisplayData, ResizeStatus_InProgress);
AssertRelease(f);NOREF(f);
AssertRelease(!maFramebuffers[uScreenId].pendingResize.fPending);
/* The method also unlocks the framebuffer. */
handleResizeCompletedEMT();
return VINF_SUCCESS;
}
/**
* Framebuffer has been resized.
* Read the new display data and unlock the framebuffer.
*
* @thread EMT
*/
void Display::handleResizeCompletedEMT (void)
{
LogFlowFunc(("\n"));
unsigned uScreenId;
for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
{
DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
/* Try to into non resizing state. */
bool f = ASMAtomicCmpXchgU32 (&pFBInfo->u32ResizeStatus, ResizeStatus_Void, ResizeStatus_UpdateDisplayData);
if (f == false)
{
/* This is not the display that has completed resizing. */
continue;
}
/* Check whether a resize is pending for this framebuffer. */
if (pFBInfo->pendingResize.fPending)
{
/* Reset the condition, call the display resize with saved data and continue.
*
* Note: handleDisplayResize can call handleResizeCompletedEMT back,
* but infinite recursion is not possible, because when the handleResizeCompletedEMT
* is called, the pFBInfo->pendingResize.fPending is equal to false.
*/
pFBInfo->pendingResize.fPending = false;
handleDisplayResize (uScreenId, pFBInfo->pendingResize.bpp, pFBInfo->pendingResize.pvVRAM,
pFBInfo->pendingResize.cbLine, pFBInfo->pendingResize.w, pFBInfo->pendingResize.h);
continue;
}
if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN && !pFBInfo->pFramebuffer.isNull())
{
/* Primary framebuffer has completed the resize. Update the connector data for VGA device. */
updateDisplayData();
/* Check the framebuffer pixel format to setup the rendering in VGA device. */
BOOL usesGuestVRAM = FALSE;
pFBInfo->pFramebuffer->COMGETTER(UsesGuestVRAM) (&usesGuestVRAM);
pFBInfo->fDefaultFormat = (usesGuestVRAM == FALSE);
mpDrv->pUpPort->pfnSetRenderVRAM (mpDrv->pUpPort, pFBInfo->fDefaultFormat);
}
#ifdef DEBUG_sunlover
if (!stam)
{
/* protect mpVM */
Console::SafeVMPtr pVM (mParent);
AssertComRC (pVM.rc());
STAM_REG(pVM, &StatDisplayRefresh, STAMTYPE_PROFILE, "/PROF/Display/Refresh", STAMUNIT_TICKS_PER_CALL, "Time spent in EMT for display updates.");
stam = 1;
}
#endif /* DEBUG_sunlover */
/* Inform VRDP server about the change of display parameters. */
LogFlowFunc (("Calling VRDP\n"));
mParent->consoleVRDPServer()->SendResize();
}
}
static void checkCoordBounds (int *px, int *py, int *pw, int *ph, int cx, int cy)
{
/* Correct negative x and y coordinates. */
if (*px < 0)
{
*px += *pw; /* Compute xRight which is also the new width. */
*pw = (*px < 0)? 0: *px;
*px = 0;
}
if (*py < 0)
{
*py += *ph; /* Compute xBottom, which is also the new height. */
*ph = (*py < 0)? 0: *py;
*py = 0;
}
/* Also check if coords are greater than the display resolution. */
if (*px + *pw > cx)
{
*pw = cx > *px? cx - *px: 0;
}
if (*py + *ph > cy)
{
*ph = cy > *py? cy - *py: 0;
}
}
unsigned mapCoordsToScreen(DISPLAYFBINFO *pInfos, unsigned cInfos, int *px, int *py, int *pw, int *ph)
{
DISPLAYFBINFO *pInfo = pInfos;
unsigned uScreenId;
LogSunlover (("mapCoordsToScreen: %d,%d %dx%d\n", *px, *py, *pw, *ph));
for (uScreenId = 0; uScreenId < cInfos; uScreenId++, pInfo++)
{
LogSunlover ((" [%d] %d,%d %dx%d\n", uScreenId, pInfo->xOrigin, pInfo->yOrigin, pInfo->w, pInfo->h));
if ( (pInfo->xOrigin <= *px && *px < pInfo->xOrigin + (int)pInfo->w)
&& (pInfo->yOrigin <= *py && *py < pInfo->yOrigin + (int)pInfo->h))
{
/* The rectangle belongs to the screen. Correct coordinates. */
*px -= pInfo->xOrigin;
*py -= pInfo->yOrigin;
LogSunlover ((" -> %d,%d", *px, *py));
break;
}
}
if (uScreenId == cInfos)
{
/* Map to primary screen. */
uScreenId = 0;
}
LogSunlover ((" scr %d\n", uScreenId));
return uScreenId;
}
/**
* Handles display update event.
*
* @param x Update area x coordinate
* @param y Update area y coordinate
* @param w Update area width
* @param h Update area height
*
* @thread EMT
*/
void Display::handleDisplayUpdate (int x, int y, int w, int h)
{
#ifdef VBOX_WITH_OLD_VBVA_LOCK
/*
* Always runs under either VBVA lock or, for HGSMI, DevVGA lock.
* Safe to use VBVA vars and take the framebuffer lock.
*/
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
#ifdef DEBUG_sunlover
LogFlowFunc (("%d,%d %dx%d (%d,%d)\n",
x, y, w, h, mpDrv->IConnector.cx, mpDrv->IConnector.cy));
#endif /* DEBUG_sunlover */
unsigned uScreenId = mapCoordsToScreen(maFramebuffers, mcMonitors, &x, &y, &w, &h);
#ifdef DEBUG_sunlover
LogFlowFunc (("%d,%d %dx%d (checked)\n", x, y, w, h));
#endif /* DEBUG_sunlover */
IFramebuffer *pFramebuffer = maFramebuffers[uScreenId].pFramebuffer;
// if there is no framebuffer, this call is not interesting
if (pFramebuffer == NULL)
return;
pFramebuffer->Lock();
if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
checkCoordBounds (&x, &y, &w, &h, mpDrv->IConnector.cx, mpDrv->IConnector.cy);
else
checkCoordBounds (&x, &y, &w, &h, maFramebuffers[uScreenId].w,
maFramebuffers[uScreenId].h);
if (w != 0 && h != 0)
pFramebuffer->NotifyUpdate(x, y, w, h);
pFramebuffer->Unlock();
#ifndef VBOX_WITH_HGSMI
if (!mfVideoAccelEnabled)
{
#else
if (!mfVideoAccelEnabled && !maFramebuffers[uScreenId].fVBVAEnabled)
{
#endif /* VBOX_WITH_HGSMI */
/* When VBVA is enabled, the VRDP server is informed in the VideoAccelFlush.
* Inform the server here only if VBVA is disabled.
*/
if (maFramebuffers[uScreenId].u32ResizeStatus == ResizeStatus_Void)
mParent->consoleVRDPServer()->SendUpdateBitmap(uScreenId, x, y, w, h);
}
}
typedef struct _VBVADIRTYREGION
{
/* Copies of object's pointers used by vbvaRgn functions. */
DISPLAYFBINFO *paFramebuffers;
unsigned cMonitors;
Display *pDisplay;
PPDMIDISPLAYPORT pPort;
} VBVADIRTYREGION;
static void vbvaRgnInit (VBVADIRTYREGION *prgn, DISPLAYFBINFO *paFramebuffers, unsigned cMonitors, Display *pd, PPDMIDISPLAYPORT pp)
{
prgn->paFramebuffers = paFramebuffers;
prgn->cMonitors = cMonitors;
prgn->pDisplay = pd;
prgn->pPort = pp;
unsigned uScreenId;
for (uScreenId = 0; uScreenId < cMonitors; uScreenId++)
{
DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
memset (&pFBInfo->dirtyRect, 0, sizeof (pFBInfo->dirtyRect));
}
}
static void vbvaRgnDirtyRect (VBVADIRTYREGION *prgn, unsigned uScreenId, VBVACMDHDR *phdr)
{
LogSunlover (("x = %d, y = %d, w = %d, h = %d\n",
phdr->x, phdr->y, phdr->w, phdr->h));
/*
* Here update rectangles are accumulated to form an update area.
* @todo
* Now the simpliest method is used which builds one rectangle that
* includes all update areas. A bit more advanced method can be
* employed here. The method should be fast however.
*/
if (phdr->w == 0 || phdr->h == 0)
{
/* Empty rectangle. */
return;
}
int32_t xRight = phdr->x + phdr->w;
int32_t yBottom = phdr->y + phdr->h;
DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
if (pFBInfo->dirtyRect.xRight == 0)
{
/* This is the first rectangle to be added. */
pFBInfo->dirtyRect.xLeft = phdr->x;
pFBInfo->dirtyRect.yTop = phdr->y;
pFBInfo->dirtyRect.xRight = xRight;
pFBInfo->dirtyRect.yBottom = yBottom;
}
else
{
/* Adjust region coordinates. */
if (pFBInfo->dirtyRect.xLeft > phdr->x)
{
pFBInfo->dirtyRect.xLeft = phdr->x;
}
if (pFBInfo->dirtyRect.yTop > phdr->y)
{
pFBInfo->dirtyRect.yTop = phdr->y;
}
if (pFBInfo->dirtyRect.xRight < xRight)
{
pFBInfo->dirtyRect.xRight = xRight;
}
if (pFBInfo->dirtyRect.yBottom < yBottom)
{
pFBInfo->dirtyRect.yBottom = yBottom;
}
}
if (pFBInfo->fDefaultFormat)
{
//@todo pfnUpdateDisplayRect must take the vram offset parameter for the framebuffer
prgn->pPort->pfnUpdateDisplayRect (prgn->pPort, phdr->x, phdr->y, phdr->w, phdr->h);
prgn->pDisplay->handleDisplayUpdate (phdr->x + pFBInfo->xOrigin,
phdr->y + pFBInfo->yOrigin, phdr->w, phdr->h);
}
return;
}
static void vbvaRgnUpdateFramebuffer (VBVADIRTYREGION *prgn, unsigned uScreenId)
{
DISPLAYFBINFO *pFBInfo = &prgn->paFramebuffers[uScreenId];
uint32_t w = pFBInfo->dirtyRect.xRight - pFBInfo->dirtyRect.xLeft;
uint32_t h = pFBInfo->dirtyRect.yBottom - pFBInfo->dirtyRect.yTop;
if (!pFBInfo->fDefaultFormat && pFBInfo->pFramebuffer && w != 0 && h != 0)
{
//@todo pfnUpdateDisplayRect must take the vram offset parameter for the framebuffer
prgn->pPort->pfnUpdateDisplayRect (prgn->pPort, pFBInfo->dirtyRect.xLeft, pFBInfo->dirtyRect.yTop, w, h);
prgn->pDisplay->handleDisplayUpdate (pFBInfo->dirtyRect.xLeft + pFBInfo->xOrigin,
pFBInfo->dirtyRect.yTop + pFBInfo->yOrigin, w, h);
}
}
static void vbvaSetMemoryFlags (VBVAMEMORY *pVbvaMemory,
bool fVideoAccelEnabled,
bool fVideoAccelVRDP,
uint32_t fu32SupportedOrders,
DISPLAYFBINFO *paFBInfos,
unsigned cFBInfos)
{
if (pVbvaMemory)
{
/* This called only on changes in mode. So reset VRDP always. */
uint32_t fu32Flags = VBVA_F_MODE_VRDP_RESET;
if (fVideoAccelEnabled)
{
fu32Flags |= VBVA_F_MODE_ENABLED;
if (fVideoAccelVRDP)
{
fu32Flags |= VBVA_F_MODE_VRDP | VBVA_F_MODE_VRDP_ORDER_MASK;
pVbvaMemory->fu32SupportedOrders = fu32SupportedOrders;
}
}
pVbvaMemory->fu32ModeFlags = fu32Flags;
}
unsigned uScreenId;
for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
{
if (paFBInfos[uScreenId].pHostEvents)
{
paFBInfos[uScreenId].pHostEvents->fu32Events |= VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
}
}
}
#ifdef VBOX_WITH_HGSMI
static void vbvaSetMemoryFlagsHGSMI (unsigned uScreenId,
uint32_t fu32SupportedOrders,
bool fVideoAccelVRDP,
DISPLAYFBINFO *pFBInfo)
{
LogFlowFunc(("HGSMI[%d]: %p\n", uScreenId, pFBInfo->pVBVAHostFlags));
if (pFBInfo->pVBVAHostFlags)
{
uint32_t fu32HostEvents = VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
if (pFBInfo->fVBVAEnabled)
{
fu32HostEvents |= VBVA_F_MODE_ENABLED;
if (fVideoAccelVRDP)
{
fu32HostEvents |= VBVA_F_MODE_VRDP;
}
}
ASMAtomicOrU32(&pFBInfo->pVBVAHostFlags->u32HostEvents, fu32HostEvents);
ASMAtomicWriteU32(&pFBInfo->pVBVAHostFlags->u32SupportedOrders, fu32SupportedOrders);
LogFlowFunc((" fu32HostEvents = 0x%08X, fu32SupportedOrders = 0x%08X\n", fu32HostEvents, fu32SupportedOrders));
}
}
static void vbvaSetMemoryFlagsAllHGSMI (uint32_t fu32SupportedOrders,
bool fVideoAccelVRDP,
DISPLAYFBINFO *paFBInfos,
unsigned cFBInfos)
{
unsigned uScreenId;
for (uScreenId = 0; uScreenId < cFBInfos; uScreenId++)
{
vbvaSetMemoryFlagsHGSMI(uScreenId, fu32SupportedOrders, fVideoAccelVRDP, &paFBInfos[uScreenId]);
}
}
#endif /* VBOX_WITH_HGSMI */
bool Display::VideoAccelAllowed (void)
{
return true;
}
#ifdef VBOX_WITH_OLD_VBVA_LOCK
int Display::vbvaLock(void)
{
return RTCritSectEnter(&mVBVALock);
}
void Display::vbvaUnlock(void)
{
RTCritSectLeave(&mVBVALock);
}
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
/**
* @thread EMT
*/
#ifdef VBOX_WITH_OLD_VBVA_LOCK
int Display::VideoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
{
int rc;
vbvaLock();
rc = videoAccelEnable (fEnable, pVbvaMemory);
vbvaUnlock();
return rc;
}
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
#ifdef VBOX_WITH_OLD_VBVA_LOCK
int Display::videoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
#else
int Display::VideoAccelEnable (bool fEnable, VBVAMEMORY *pVbvaMemory)
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
{
int rc = VINF_SUCCESS;
/* Called each time the guest wants to use acceleration,
* or when the VGA device disables acceleration,
* or when restoring the saved state with accel enabled.
*
* VGA device disables acceleration on each video mode change
* and on reset.
*
* Guest enabled acceleration at will. And it has to enable
* acceleration after a mode change.
*/
LogFlowFunc (("mfVideoAccelEnabled = %d, fEnable = %d, pVbvaMemory = %p\n",
mfVideoAccelEnabled, fEnable, pVbvaMemory));
/* Strictly check parameters. Callers must not pass anything in the case. */
Assert((fEnable && pVbvaMemory) || (!fEnable && pVbvaMemory == NULL));
if (!VideoAccelAllowed ())
{
return VERR_NOT_SUPPORTED;
}
/*
* Verify that the VM is in running state. If it is not,
* then this must be postponed until it goes to running.
*/
if (!mfMachineRunning)
{
Assert (!mfVideoAccelEnabled);
LogFlowFunc (("Machine is not yet running.\n"));
if (fEnable)
{
mfPendingVideoAccelEnable = fEnable;
mpPendingVbvaMemory = pVbvaMemory;
}
return rc;
}
/* Check that current status is not being changed */
if (mfVideoAccelEnabled == fEnable)
{
return rc;
}
if (mfVideoAccelEnabled)
{
/* Process any pending orders and empty the VBVA ring buffer. */
#ifdef VBOX_WITH_OLD_VBVA_LOCK
videoAccelFlush ();
#else
VideoAccelFlush ();
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
}
if (!fEnable && mpVbvaMemory)
{
mpVbvaMemory->fu32ModeFlags &= ~VBVA_F_MODE_ENABLED;
}
/* Safety precaution. There is no more VBVA until everything is setup! */
mpVbvaMemory = NULL;
mfVideoAccelEnabled = false;
/* Update entire display. */
if (maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].u32ResizeStatus == ResizeStatus_Void)
{
mpDrv->pUpPort->pfnUpdateDisplayAll(mpDrv->pUpPort);
}
/* Everything OK. VBVA status can be changed. */
/* Notify the VMMDev, which saves VBVA status in the saved state,
* and needs to know current status.
*/
PPDMIVMMDEVPORT pVMMDevPort = mParent->getVMMDev()->getVMMDevPort ();
if (pVMMDevPort)
{
pVMMDevPort->pfnVBVAChange (pVMMDevPort, fEnable);
}
if (fEnable)
{
mpVbvaMemory = pVbvaMemory;
mfVideoAccelEnabled = true;
/* Initialize the hardware memory. */
vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
mpVbvaMemory->off32Data = 0;
mpVbvaMemory->off32Free = 0;
memset (mpVbvaMemory->aRecords, 0, sizeof (mpVbvaMemory->aRecords));
mpVbvaMemory->indexRecordFirst = 0;
mpVbvaMemory->indexRecordFree = 0;
#ifdef VBOX_WITH_OLD_VBVA_LOCK
mfu32PendingVideoAccelDisable = false;
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
LogRel(("VBVA: Enabled.\n"));
}
else
{
LogRel(("VBVA: Disabled.\n"));
}
LogFlowFunc (("VideoAccelEnable: rc = %Rrc.\n", rc));
return rc;
}
#ifdef VBOX_WITH_VRDP
/* Called always by one VRDP server thread. Can be thread-unsafe.
*/
void Display::VideoAccelVRDP (bool fEnable)
{
LogFlowFunc(("fEnable = %d\n", fEnable));
#ifdef VBOX_WITH_OLD_VBVA_LOCK
vbvaLock();
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
int c = fEnable?
ASMAtomicIncS32 (&mcVideoAccelVRDPRefs):
ASMAtomicDecS32 (&mcVideoAccelVRDPRefs);
Assert (c >= 0);
if (c == 0)
{
/* The last client has disconnected, and the accel can be
* disabled.
*/
Assert (fEnable == false);
mfVideoAccelVRDP = false;
mfu32SupportedOrders = 0;
vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
#ifdef VBOX_WITH_HGSMI
/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
ASMAtomicIncU32(&mu32UpdateVBVAFlags);
#endif /* VBOX_WITH_HGSMI */
LogRel(("VBVA: VRDP acceleration has been disabled.\n"));
}
else if ( c == 1
&& !mfVideoAccelVRDP)
{
/* The first client has connected. Enable the accel.
*/
Assert (fEnable == true);
mfVideoAccelVRDP = true;
/* Supporting all orders. */
mfu32SupportedOrders = ~0;
vbvaSetMemoryFlags (mpVbvaMemory, mfVideoAccelEnabled, mfVideoAccelVRDP, mfu32SupportedOrders, maFramebuffers, mcMonitors);
#ifdef VBOX_WITH_HGSMI
/* Here is VRDP-IN thread. Process the request in vbvaUpdateBegin under DevVGA lock on an EMT. */
ASMAtomicIncU32(&mu32UpdateVBVAFlags);
#endif /* VBOX_WITH_HGSMI */
LogRel(("VBVA: VRDP acceleration has been requested.\n"));
}
else
{
/* A client is connected or disconnected but there is no change in the
* accel state. It remains enabled.
*/
Assert (mfVideoAccelVRDP == true);
}
#ifdef VBOX_WITH_OLD_VBVA_LOCK
vbvaUnlock();
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
}
#endif /* VBOX_WITH_VRDP */
static bool vbvaVerifyRingBuffer (VBVAMEMORY *pVbvaMemory)
{
return true;
}
static void vbvaFetchBytes (VBVAMEMORY *pVbvaMemory, uint8_t *pu8Dst, uint32_t cbDst)
{
if (cbDst >= VBVA_RING_BUFFER_SIZE)
{
AssertMsgFailed (("cbDst = 0x%08X, ring buffer size 0x%08X", cbDst, VBVA_RING_BUFFER_SIZE));
return;
}
uint32_t u32BytesTillBoundary = VBVA_RING_BUFFER_SIZE - pVbvaMemory->off32Data;
uint8_t *src = &pVbvaMemory->au8RingBuffer[pVbvaMemory->off32Data];
int32_t i32Diff = cbDst - u32BytesTillBoundary;
if (i32Diff <= 0)
{
/* Chunk will not cross buffer boundary. */
memcpy (pu8Dst, src, cbDst);
}
else
{
/* Chunk crosses buffer boundary. */
memcpy (pu8Dst, src, u32BytesTillBoundary);
memcpy (pu8Dst + u32BytesTillBoundary, &pVbvaMemory->au8RingBuffer[0], i32Diff);
}
/* Advance data offset. */
pVbvaMemory->off32Data = (pVbvaMemory->off32Data + cbDst) % VBVA_RING_BUFFER_SIZE;
return;
}
static bool vbvaPartialRead (uint8_t **ppu8, uint32_t *pcb, uint32_t cbRecord, VBVAMEMORY *pVbvaMemory)
{
uint8_t *pu8New;
LogFlow(("MAIN::DisplayImpl::vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n",
*ppu8, *pcb, cbRecord));
if (*ppu8)
{
Assert (*pcb);
pu8New = (uint8_t *)RTMemRealloc (*ppu8, cbRecord);
}
else
{
Assert (!*pcb);
pu8New = (uint8_t *)RTMemAlloc (cbRecord);
}
if (!pu8New)
{
/* Memory allocation failed, fail the function. */
Log(("MAIN::vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n",
cbRecord));
if (*ppu8)
{
RTMemFree (*ppu8);
}
*ppu8 = NULL;
*pcb = 0;
return false;
}
/* Fetch data from the ring buffer. */
vbvaFetchBytes (pVbvaMemory, pu8New + *pcb, cbRecord - *pcb);
*ppu8 = pu8New;
*pcb = cbRecord;
return true;
}
/* For contiguous chunks just return the address in the buffer.
* For crossing boundary - allocate a buffer from heap.
*/
bool Display::vbvaFetchCmd (VBVACMDHDR **ppHdr, uint32_t *pcbCmd)
{
uint32_t indexRecordFirst = mpVbvaMemory->indexRecordFirst;
uint32_t indexRecordFree = mpVbvaMemory->indexRecordFree;
#ifdef DEBUG_sunlover
LogFlowFunc (("first = %d, free = %d\n",
indexRecordFirst, indexRecordFree));
#endif /* DEBUG_sunlover */
if (!vbvaVerifyRingBuffer (mpVbvaMemory))
{
return false;
}
if (indexRecordFirst == indexRecordFree)
{
/* No records to process. Return without assigning output variables. */
return true;
}
VBVARECORD *pRecord = &mpVbvaMemory->aRecords[indexRecordFirst];
#ifdef DEBUG_sunlover
LogFlowFunc (("cbRecord = 0x%08X\n", pRecord->cbRecord));
#endif /* DEBUG_sunlover */
uint32_t cbRecord = pRecord->cbRecord & ~VBVA_F_RECORD_PARTIAL;
if (mcbVbvaPartial)
{
/* There is a partial read in process. Continue with it. */
Assert (mpu8VbvaPartial);
LogFlowFunc (("continue partial record mcbVbvaPartial = %d cbRecord 0x%08X, first = %d, free = %d\n",
mcbVbvaPartial, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
if (cbRecord > mcbVbvaPartial)
{
/* New data has been added to the record. */
if (!vbvaPartialRead (&mpu8VbvaPartial, &mcbVbvaPartial, cbRecord, mpVbvaMemory))
{
return false;
}
}
if (!(pRecord->cbRecord & VBVA_F_RECORD_PARTIAL))
{
/* The record is completed by guest. Return it to the caller. */
*ppHdr = (VBVACMDHDR *)mpu8VbvaPartial;
*pcbCmd = mcbVbvaPartial;
mpu8VbvaPartial = NULL;
mcbVbvaPartial = 0;
/* Advance the record index. */
mpVbvaMemory->indexRecordFirst = (indexRecordFirst + 1) % VBVA_MAX_RECORDS;
#ifdef DEBUG_sunlover
LogFlowFunc (("partial done ok, data = %d, free = %d\n",
mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
#endif /* DEBUG_sunlover */
}
return true;
}
/* A new record need to be processed. */
if (pRecord->cbRecord & VBVA_F_RECORD_PARTIAL)
{
/* Current record is being written by guest. '=' is important here. */
if (cbRecord >= VBVA_RING_BUFFER_SIZE - VBVA_RING_BUFFER_THRESHOLD)
{
/* Partial read must be started. */
if (!vbvaPartialRead (&mpu8VbvaPartial, &mcbVbvaPartial, cbRecord, mpVbvaMemory))
{
return false;
}
LogFlowFunc (("started partial record mcbVbvaPartial = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n",
mcbVbvaPartial, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
}
return true;
}
/* Current record is complete. If it is not empty, process it. */
if (cbRecord)
{
/* The size of largest contiguos chunk in the ring biffer. */
uint32_t u32BytesTillBoundary = VBVA_RING_BUFFER_SIZE - mpVbvaMemory->off32Data;
/* The ring buffer pointer. */
uint8_t *au8RingBuffer = &mpVbvaMemory->au8RingBuffer[0];
/* The pointer to data in the ring buffer. */
uint8_t *src = &au8RingBuffer[mpVbvaMemory->off32Data];
/* Fetch or point the data. */
if (u32BytesTillBoundary >= cbRecord)
{
/* The command does not cross buffer boundary. Return address in the buffer. */
*ppHdr = (VBVACMDHDR *)src;
/* Advance data offset. */
mpVbvaMemory->off32Data = (mpVbvaMemory->off32Data + cbRecord) % VBVA_RING_BUFFER_SIZE;
}
else
{
/* The command crosses buffer boundary. Rare case, so not optimized. */
uint8_t *dst = (uint8_t *)RTMemAlloc (cbRecord);
if (!dst)
{
LogFlowFunc (("could not allocate %d bytes from heap!!!\n", cbRecord));
mpVbvaMemory->off32Data = (mpVbvaMemory->off32Data + cbRecord) % VBVA_RING_BUFFER_SIZE;
return false;
}
vbvaFetchBytes (mpVbvaMemory, dst, cbRecord);
*ppHdr = (VBVACMDHDR *)dst;
#ifdef DEBUG_sunlover
LogFlowFunc (("Allocated from heap %p\n", dst));
#endif /* DEBUG_sunlover */
}
}
*pcbCmd = cbRecord;
/* Advance the record index. */
mpVbvaMemory->indexRecordFirst = (indexRecordFirst + 1) % VBVA_MAX_RECORDS;
#ifdef DEBUG_sunlover
LogFlowFunc (("done ok, data = %d, free = %d\n",
mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
#endif /* DEBUG_sunlover */
return true;
}
void Display::vbvaReleaseCmd (VBVACMDHDR *pHdr, int32_t cbCmd)
{
uint8_t *au8RingBuffer = mpVbvaMemory->au8RingBuffer;
if ( (uint8_t *)pHdr >= au8RingBuffer
&& (uint8_t *)pHdr < &au8RingBuffer[VBVA_RING_BUFFER_SIZE])
{
/* The pointer is inside ring buffer. Must be continuous chunk. */
Assert (VBVA_RING_BUFFER_SIZE - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);
/* Do nothing. */
Assert (!mpu8VbvaPartial && mcbVbvaPartial == 0);
}
else
{
/* The pointer is outside. It is then an allocated copy. */
#ifdef DEBUG_sunlover
LogFlowFunc (("Free heap %p\n", pHdr));
#endif /* DEBUG_sunlover */
if ((uint8_t *)pHdr == mpu8VbvaPartial)
{
mpu8VbvaPartial = NULL;
mcbVbvaPartial = 0;
}
else
{
Assert (!mpu8VbvaPartial && mcbVbvaPartial == 0);
}
RTMemFree (pHdr);
}
return;
}
/**
* Called regularly on the DisplayRefresh timer.
* Also on behalf of guest, when the ring buffer is full.
*
* @thread EMT
*/
#ifdef VBOX_WITH_OLD_VBVA_LOCK
void Display::VideoAccelFlush (void)
{
vbvaLock();
videoAccelFlush();
vbvaUnlock();
}
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
#ifdef VBOX_WITH_OLD_VBVA_LOCK
/* Under VBVA lock. DevVGA is not taken. */
void Display::videoAccelFlush (void)
#else
void Display::VideoAccelFlush (void)
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
{
#ifdef DEBUG_sunlover_2
LogFlowFunc (("mfVideoAccelEnabled = %d\n", mfVideoAccelEnabled));
#endif /* DEBUG_sunlover_2 */
if (!mfVideoAccelEnabled)
{
Log(("Display::VideoAccelFlush: called with disabled VBVA!!! Ignoring.\n"));
return;
}
/* Here VBVA is enabled and we have the accelerator memory pointer. */
Assert(mpVbvaMemory);
#ifdef DEBUG_sunlover_2
LogFlowFunc (("indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
mpVbvaMemory->indexRecordFirst, mpVbvaMemory->indexRecordFree, mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
#endif /* DEBUG_sunlover_2 */
/* Quick check for "nothing to update" case. */
if (mpVbvaMemory->indexRecordFirst == mpVbvaMemory->indexRecordFree)
{
return;
}
/* Process the ring buffer */
unsigned uScreenId;
#ifndef VBOX_WITH_OLD_VBVA_LOCK
for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
{
if (!maFramebuffers[uScreenId].pFramebuffer.isNull())
{
maFramebuffers[uScreenId].pFramebuffer->Lock ();
}
}
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
/* Initialize dirty rectangles accumulator. */
VBVADIRTYREGION rgn;
vbvaRgnInit (&rgn, maFramebuffers, mcMonitors, this, mpDrv->pUpPort);
for (;;)
{
VBVACMDHDR *phdr = NULL;
uint32_t cbCmd = ~0;
/* Fetch the command data. */
if (!vbvaFetchCmd (&phdr, &cbCmd))
{
Log(("Display::VideoAccelFlush: unable to fetch command. off32Data = %d, off32Free = %d. Disabling VBVA!!!\n",
mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
/* Disable VBVA on those processing errors. */
#ifdef VBOX_WITH_OLD_VBVA_LOCK
videoAccelEnable (false, NULL);
#else
VideoAccelEnable (false, NULL);
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
break;
}
if (cbCmd == uint32_t(~0))
{
/* No more commands yet in the queue. */
break;
}
if (cbCmd != 0)
{
#ifdef DEBUG_sunlover
LogFlowFunc (("hdr: cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
#endif /* DEBUG_sunlover */
VBVACMDHDR hdrSaved = *phdr;
int x = phdr->x;
int y = phdr->y;
int w = phdr->w;
int h = phdr->h;
uScreenId = mapCoordsToScreen(maFramebuffers, mcMonitors, &x, &y, &w, &h);
phdr->x = (int16_t)x;
phdr->y = (int16_t)y;
phdr->w = (uint16_t)w;
phdr->h = (uint16_t)h;
DISPLAYFBINFO *pFBInfo = &maFramebuffers[uScreenId];
if (pFBInfo->u32ResizeStatus == ResizeStatus_Void)
{
/* Handle the command.
*
* Guest is responsible for updating the guest video memory.
* The Windows guest does all drawing using Eng*.
*
* For local output, only dirty rectangle information is used
* to update changed areas.
*
* Dirty rectangles are accumulated to exclude overlapping updates and
* group small updates to a larger one.
*/
/* Accumulate the update. */
vbvaRgnDirtyRect (&rgn, uScreenId, phdr);
/* Forward the command to VRDP server. */
mParent->consoleVRDPServer()->SendUpdate (uScreenId, phdr, cbCmd);
*phdr = hdrSaved;
}
}
vbvaReleaseCmd (phdr, cbCmd);
}
for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
{
#ifndef VBOX_WITH_OLD_VBVA_LOCK
if (!maFramebuffers[uScreenId].pFramebuffer.isNull())
{
maFramebuffers[uScreenId].pFramebuffer->Unlock ();
}
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
if (maFramebuffers[uScreenId].u32ResizeStatus == ResizeStatus_Void)
{
/* Draw the framebuffer. */
vbvaRgnUpdateFramebuffer (&rgn, uScreenId);
}
}
}
#ifdef VBOX_WITH_OLD_VBVA_LOCK
int Display::videoAccelRefreshProcess(void)
{
int rc = VWRN_INVALID_STATE; /* Default is to do a display update in VGA device. */
vbvaLock();
if (ASMAtomicCmpXchgU32(&mfu32PendingVideoAccelDisable, false, true))
{
videoAccelEnable (false, NULL);
}
else if (mfPendingVideoAccelEnable)
{
/* Acceleration was enabled while machine was not yet running
* due to restoring from saved state. Update entire display and
* actually enable acceleration.
*/
Assert(mpPendingVbvaMemory);
/* Acceleration can not be yet enabled.*/
Assert(mpVbvaMemory == NULL);
Assert(!mfVideoAccelEnabled);
if (mfMachineRunning)
{
videoAccelEnable (mfPendingVideoAccelEnable,
mpPendingVbvaMemory);
/* Reset the pending state. */
mfPendingVideoAccelEnable = false;
mpPendingVbvaMemory = NULL;
}
rc = VINF_TRY_AGAIN;
}
else
{
Assert(mpPendingVbvaMemory == NULL);
if (mfVideoAccelEnabled)
{
Assert(mpVbvaMemory);
videoAccelFlush ();
rc = VINF_SUCCESS; /* VBVA processed, no need to a display update. */
}
}
vbvaUnlock();
return rc;
}
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
// IDisplay properties
/////////////////////////////////////////////////////////////////////////////
/**
* Returns the current display width in pixel
*
* @returns COM status code
* @param width Address of result variable.
*/
STDMETHODIMP Display::COMGETTER(Width) (ULONG *width)
{
CheckComArgNotNull(width);
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
CHECK_CONSOLE_DRV (mpDrv);
*width = mpDrv->IConnector.cx;
return S_OK;
}
/**
* Returns the current display height in pixel
*
* @returns COM status code
* @param height Address of result variable.
*/
STDMETHODIMP Display::COMGETTER(Height) (ULONG *height)
{
CheckComArgNotNull(height);
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
CHECK_CONSOLE_DRV (mpDrv);
*height = mpDrv->IConnector.cy;
return S_OK;
}
/**
* Returns the current display color depth in bits
*
* @returns COM status code
* @param bitsPerPixel Address of result variable.
*/
STDMETHODIMP Display::COMGETTER(BitsPerPixel) (ULONG *bitsPerPixel)
{
if (!bitsPerPixel)
return E_INVALIDARG;
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
CHECK_CONSOLE_DRV (mpDrv);
uint32_t cBits = 0;
int rc = mpDrv->pUpPort->pfnQueryColorDepth(mpDrv->pUpPort, &cBits);
AssertRC(rc);
*bitsPerPixel = cBits;
return S_OK;
}
// IDisplay methods
/////////////////////////////////////////////////////////////////////////////
STDMETHODIMP Display::SetFramebuffer (ULONG aScreenId,
IFramebuffer *aFramebuffer)
{
LogFlowFunc (("\n"));
if (aFramebuffer != NULL)
CheckComArgOutPointerValid(aFramebuffer);
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
Console::SafeVMPtrQuiet pVM (mParent);
if (pVM.isOk())
{
/* Must leave the lock here because the changeFramebuffer will
* also obtain it. */
alock.leave ();
/* send request to the EMT thread */
int vrc = VMR3ReqCallWait (pVM, VMCPUID_ANY,
(PFNRT) changeFramebuffer, 3, this, aFramebuffer, aScreenId);
alock.enter ();
ComAssertRCRet (vrc, E_FAIL);
}
else
{
/* No VM is created (VM is powered off), do a direct call */
int vrc = changeFramebuffer (this, aFramebuffer, aScreenId);
ComAssertRCRet (vrc, E_FAIL);
}
return S_OK;
}
STDMETHODIMP Display::GetFramebuffer (ULONG aScreenId,
IFramebuffer **aFramebuffer, LONG *aXOrigin, LONG *aYOrigin)
{
LogFlowFunc (("aScreenId = %d\n", aScreenId));
CheckComArgOutPointerValid(aFramebuffer);
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
/* @todo this should be actually done on EMT. */
DISPLAYFBINFO *pFBInfo = &maFramebuffers[aScreenId];
*aFramebuffer = pFBInfo->pFramebuffer;
if (*aFramebuffer)
(*aFramebuffer)->AddRef ();
if (aXOrigin)
*aXOrigin = pFBInfo->xOrigin;
if (aYOrigin)
*aYOrigin = pFBInfo->yOrigin;
return S_OK;
}
STDMETHODIMP Display::SetVideoModeHint(ULONG aWidth, ULONG aHeight,
ULONG aBitsPerPixel, ULONG aDisplay)
{
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
CHECK_CONSOLE_DRV (mpDrv);
/*
* Do some rough checks for valid input
*/
ULONG width = aWidth;
if (!width)
width = mpDrv->IConnector.cx;
ULONG height = aHeight;
if (!height)
height = mpDrv->IConnector.cy;
ULONG bpp = aBitsPerPixel;
if (!bpp)
{
uint32_t cBits = 0;
int rc = mpDrv->pUpPort->pfnQueryColorDepth(mpDrv->pUpPort, &cBits);
AssertRC(rc);
bpp = cBits;
}
ULONG cMonitors;
mParent->machine()->COMGETTER(MonitorCount)(&cMonitors);
if (cMonitors == 0 && aDisplay > 0)
return E_INVALIDARG;
if (aDisplay >= cMonitors)
return E_INVALIDARG;
// sunlover 20070614: It is up to the guest to decide whether the hint is valid.
// ULONG vramSize;
// mParent->machine()->COMGETTER(VRAMSize)(&vramSize);
// /* enough VRAM? */
// if ((width * height * (bpp / 8)) > (vramSize * 1024 * 1024))
// return setError(E_FAIL, tr("Not enough VRAM for the selected video mode"));
/* Have to leave the lock because the pfnRequestDisplayChange
* will call EMT. */
alock.leave ();
if (mParent->getVMMDev())
mParent->getVMMDev()->getVMMDevPort()->
pfnRequestDisplayChange (mParent->getVMMDev()->getVMMDevPort(),
aWidth, aHeight, aBitsPerPixel, aDisplay);
return S_OK;
}
STDMETHODIMP Display::SetSeamlessMode (BOOL enabled)
{
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
/* Have to leave the lock because the pfnRequestSeamlessChange will call EMT. */
alock.leave ();
if (mParent->getVMMDev())
mParent->getVMMDev()->getVMMDevPort()->
pfnRequestSeamlessChange (mParent->getVMMDev()->getVMMDevPort(),
!!enabled);
return S_OK;
}
#ifdef VBOX_WITH_OLD_VBVA_LOCK
int Display::displayTakeScreenshotEMT(Display *pDisplay, uint8_t **ppu8Data, size_t *pcbData, uint32_t *pu32Width, uint32_t *pu32Height)
{
int rc;
pDisplay->vbvaLock();
rc = pDisplay->mpDrv->pUpPort->pfnTakeScreenshot(pDisplay->mpDrv->pUpPort, ppu8Data, pcbData, pu32Width, pu32Height);
pDisplay->vbvaUnlock();
return rc;
}
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
#ifdef VBOX_WITH_OLD_VBVA_LOCK
static int displayTakeScreenshot(PVM pVM, Display *pDisplay, struct DRVMAINDISPLAY *pDrv, BYTE *address, ULONG width, ULONG height)
#else
static int displayTakeScreenshot(PVM pVM, struct DRVMAINDISPLAY *pDrv, BYTE *address, ULONG width, ULONG height)
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
{
uint8_t *pu8Data = NULL;
size_t cbData = 0;
uint32_t cx = 0;
uint32_t cy = 0;
#ifdef VBOX_WITH_OLD_VBVA_LOCK
int vrc = VMR3ReqCallWait(pVM, VMCPUID_ANY, (PFNRT)Display::displayTakeScreenshotEMT, 5,
pDisplay, &pu8Data, &cbData, &cx, &cy);
#else
/* @todo pfnTakeScreenshot is probably callable from any thread, because it uses the VGA device lock. */
int vrc = VMR3ReqCallWait(pVM, VMCPUID_ANY, (PFNRT)pDrv->pUpPort->pfnTakeScreenshot, 5,
pDrv->pUpPort, &pu8Data, &cbData, &cx, &cy);
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
if (RT_SUCCESS(vrc))
{
if (cx == width && cy == height)
{
/* No scaling required. */
memcpy(address, pu8Data, cbData);
}
else
{
/* Scale. */
LogFlowFunc(("SCALE: %dx%d -> %dx%d\n", cx, cy, width, height));
uint8_t *dst = address;
uint8_t *src = pu8Data;
int dstX = 0;
int dstY = 0;
int srcX = 0;
int srcY = 0;
int dstW = width;
int dstH = height;
int srcW = cx;
int srcH = cy;
gdImageCopyResampled (dst,
src,
dstX, dstY,
srcX, srcY,
dstW, dstH, srcW, srcH);
}
/* This can be called from any thread. */
pDrv->pUpPort->pfnFreeScreenshot (pDrv->pUpPort, pu8Data);
}
return vrc;
}
STDMETHODIMP Display::TakeScreenShot (BYTE *address, ULONG width, ULONG height)
{
/// @todo (r=dmik) this function may take too long to complete if the VM
// is doing something like saving state right now. Which, in case if it
// is called on the GUI thread, will make it unresponsive. We should
// check the machine state here (by enclosing the check and VMRequCall
// within the Console lock to make it atomic).
LogFlowFuncEnter();
LogFlowFunc (("address=%p, width=%d, height=%d\n",
address, width, height));
CheckComArgNotNull(address);
CheckComArgExpr(width, width != 0);
CheckComArgExpr(height, height != 0);
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
CHECK_CONSOLE_DRV (mpDrv);
Console::SafeVMPtr pVM(mParent);
if (FAILED(pVM.rc())) return pVM.rc();
HRESULT rc = S_OK;
LogFlowFunc (("Sending SCREENSHOT request\n"));
/* Leave lock because other thread (EMT) is called and it may initiate a resize
* which also needs lock.
*
* This method does not need the lock anymore.
*/
alock.leave();
#ifdef VBOX_WITH_OLD_VBVA_LOCK
int vrc = displayTakeScreenshot(pVM, this, mpDrv, address, width, height);
#else
int vrc = displayTakeScreenshot(pVM, mpDrv, address, width, height);
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
if (vrc == VERR_NOT_IMPLEMENTED)
rc = setError (E_NOTIMPL,
tr ("This feature is not implemented"));
else if (RT_FAILURE(vrc))
rc = setError (VBOX_E_IPRT_ERROR,
tr ("Could not take a screenshot (%Rrc)"), vrc);
LogFlowFunc (("rc=%08X\n", rc));
LogFlowFuncLeave();
return rc;
}
STDMETHODIMP Display::TakeScreenShotSlow (ULONG width, ULONG height,
ComSafeArrayOut(BYTE, aScreenData))
{
LogFlowFuncEnter();
LogFlowFunc (("width=%d, height=%d\n",
width, height));
CheckComArgSafeArrayNotNull(aScreenData);
CheckComArgExpr(width, width != 0);
CheckComArgExpr(height, height != 0);
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
CHECK_CONSOLE_DRV (mpDrv);
Console::SafeVMPtr pVM(mParent);
if (FAILED(pVM.rc())) return pVM.rc();
HRESULT rc = S_OK;
LogFlowFunc (("Sending SCREENSHOT request\n"));
/* Leave lock because other thread (EMT) is called and it may initiate a resize
* which also needs lock.
*
* This method does not need the lock anymore.
*/
alock.leave();
size_t cbData = width * 4 * height;
uint8_t *pu8Data = (uint8_t *)RTMemAlloc(cbData);
if (!pu8Data)
return E_OUTOFMEMORY;
#ifdef VBOX_WITH_OLD_VBVA_LOCK
int vrc = displayTakeScreenshot(pVM, this, mpDrv, pu8Data, width, height);
#else
int vrc = displayTakeScreenshot(pVM, mpDrv, pu8Data, width, height);
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
if (RT_SUCCESS(vrc))
{
/* Convert pixels to format expected by the API caller: [0] R, [1] G, [2] B, [3] A. */
uint8_t *pu8 = pu8Data;
unsigned cPixels = width * height;
while (cPixels)
{
uint8_t u8 = pu8[0];
pu8[0] = pu8[2];
pu8[2] = u8;
pu8[3] = 0xff;
cPixels--;
pu8 += 4;
}
com::SafeArray<BYTE> screenData (cbData);
for (unsigned i = 0; i < cbData; i++)
screenData[i] = pu8Data[i];
screenData.detachTo(ComSafeArrayOutArg(aScreenData));
}
else if (vrc == VERR_NOT_IMPLEMENTED)
rc = setError (E_NOTIMPL,
tr ("This feature is not implemented"));
else
rc = setError (VBOX_E_IPRT_ERROR,
tr ("Could not take a screenshot (%Rrc)"), vrc);
LogFlowFunc (("rc=%08X\n", rc));
LogFlowFuncLeave();
return rc;
}
#ifdef VBOX_WITH_OLD_VBVA_LOCK
int Display::DrawToScreenEMT(Display *pDisplay, BYTE *address, ULONG x, ULONG y, ULONG width, ULONG height)
{
int rc;
pDisplay->vbvaLock();
rc = pDisplay->mpDrv->pUpPort->pfnDisplayBlt(pDisplay->mpDrv->pUpPort, address, x, y, width, height);
pDisplay->vbvaUnlock();
return rc;
}
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
STDMETHODIMP Display::DrawToScreen (BYTE *address, ULONG x, ULONG y,
ULONG width, ULONG height)
{
/// @todo (r=dmik) this function may take too long to complete if the VM
// is doing something like saving state right now. Which, in case if it
// is called on the GUI thread, will make it unresponsive. We should
// check the machine state here (by enclosing the check and VMRequCall
// within the Console lock to make it atomic).
LogFlowFuncEnter();
LogFlowFunc (("address=%p, x=%d, y=%d, width=%d, height=%d\n",
(void *)address, x, y, width, height));
CheckComArgNotNull(address);
CheckComArgExpr(width, width != 0);
CheckComArgExpr(height, height != 0);
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
CHECK_CONSOLE_DRV (mpDrv);
Console::SafeVMPtr pVM(mParent);
if (FAILED(pVM.rc())) return pVM.rc();
/*
* Again we're lazy and make the graphics device do all the
* dirty conversion work.
*/
#ifdef VBOX_WITH_OLD_VBVA_LOCK
int rcVBox = VMR3ReqCallWait(pVM, VMCPUID_ANY, (PFNRT)Display::DrawToScreenEMT, 6,
this, address, x, y, width, height);
#else
int rcVBox = VMR3ReqCallWait(pVM, VMCPUID_ANY, (PFNRT)mpDrv->pUpPort->pfnDisplayBlt, 6,
mpDrv->pUpPort, address, x, y, width, height);
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
/*
* If the function returns not supported, we'll have to do all the
* work ourselves using the framebuffer.
*/
HRESULT rc = S_OK;
if (rcVBox == VERR_NOT_SUPPORTED || rcVBox == VERR_NOT_IMPLEMENTED)
{
/** @todo implement generic fallback for screen blitting. */
rc = E_NOTIMPL;
}
else if (RT_FAILURE(rcVBox))
rc = setError (VBOX_E_IPRT_ERROR,
tr ("Could not draw to the screen (%Rrc)"), rcVBox);
//@todo
// else
// {
// /* All ok. Redraw the screen. */
// handleDisplayUpdate (x, y, width, height);
// }
LogFlowFunc (("rc=%08X\n", rc));
LogFlowFuncLeave();
return rc;
}
#ifdef VBOX_WITH_OLD_VBVA_LOCK
void Display::InvalidateAndUpdateEMT(Display *pDisplay)
{
pDisplay->vbvaLock();
pDisplay->mpDrv->pUpPort->pfnUpdateDisplayAll(pDisplay->mpDrv->pUpPort);
pDisplay->vbvaUnlock();
}
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
/**
* Does a full invalidation of the VM display and instructs the VM
* to update it immediately.
*
* @returns COM status code
*/
STDMETHODIMP Display::InvalidateAndUpdate()
{
LogFlowFuncEnter();
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
CHECK_CONSOLE_DRV (mpDrv);
Console::SafeVMPtr pVM(mParent);
if (FAILED(pVM.rc())) return pVM.rc();
HRESULT rc = S_OK;
LogFlowFunc (("Sending DPYUPDATE request\n"));
/* Have to leave the lock when calling EMT. */
alock.leave ();
/* pdm.h says that this has to be called from the EMT thread */
#ifdef VBOX_WITH_OLD_VBVA_LOCK
int rcVBox = VMR3ReqCallVoidWait(pVM, VMCPUID_ANY, (PFNRT)Display::InvalidateAndUpdateEMT,
1, this);
#else
int rcVBox = VMR3ReqCallVoidWait(pVM, VMCPUID_ANY,
(PFNRT)mpDrv->pUpPort->pfnUpdateDisplayAll, 1, mpDrv->pUpPort);
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
alock.enter ();
if (RT_FAILURE(rcVBox))
rc = setError (VBOX_E_IPRT_ERROR,
tr ("Could not invalidate and update the screen (%Rrc)"), rcVBox);
LogFlowFunc (("rc=%08X\n", rc));
LogFlowFuncLeave();
return rc;
}
/**
* Notification that the framebuffer has completed the
* asynchronous resize processing
*
* @returns COM status code
*/
STDMETHODIMP Display::ResizeCompleted(ULONG aScreenId)
{
LogFlowFunc (("\n"));
/// @todo (dmik) can we AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); here?
// do it when we switch this class to VirtualBoxBase_NEXT.
// This will require general code review and may add some details.
// In particular, we may want to check whether EMT is really waiting for
// this notification, etc. It might be also good to obey the caller to make
// sure this method is not called from more than one thread at a time
// (and therefore don't use Display lock at all here to save some
// milliseconds).
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
/* this is only valid for external framebuffers */
if (maFramebuffers[aScreenId].pFramebuffer == NULL)
return setError (VBOX_E_NOT_SUPPORTED,
tr ("Resize completed notification is valid only "
"for external framebuffers"));
/* Set the flag indicating that the resize has completed and display
* data need to be updated. */
bool f = ASMAtomicCmpXchgU32 (&maFramebuffers[aScreenId].u32ResizeStatus,
ResizeStatus_UpdateDisplayData, ResizeStatus_InProgress);
AssertRelease(f);NOREF(f);
return S_OK;
}
/**
* Notification that the framebuffer has completed the
* asynchronous update processing
*
* @returns COM status code
*/
STDMETHODIMP Display::UpdateCompleted()
{
LogFlowFunc (("\n"));
/// @todo (dmik) can we AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); here?
// do it when we switch this class to VirtualBoxBase_NEXT.
// Tthis will require general code review and may add some details.
// In particular, we may want to check whether EMT is really waiting for
// this notification, etc. It might be also good to obey the caller to make
// sure this method is not called from more than one thread at a time
// (and therefore don't use Display lock at all here to save some
// milliseconds).
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
/* this is only valid for external framebuffers */
if (maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].pFramebuffer == NULL)
return setError (VBOX_E_NOT_SUPPORTED,
tr ("Resize completed notification is valid only "
"for external framebuffers"));
return S_OK;
}
STDMETHODIMP Display::CompleteVHWACommand(BYTE *pCommand)
{
#ifdef VBOX_WITH_VIDEOHWACCEL
mpDrv->pVBVACallbacks->pfnVHWACommandCompleteAsynch(mpDrv->pVBVACallbacks, (PVBOXVHWACMD)pCommand);
return S_OK;
#else
return E_NOTIMPL;
#endif
}
// private methods
/////////////////////////////////////////////////////////////////////////////
/**
* Helper to update the display information from the framebuffer.
*
* @param aCheckParams true to compare the parameters of the current framebuffer
* and the new one and issue handleDisplayResize()
* if they differ.
* @thread EMT
*/
void Display::updateDisplayData (bool aCheckParams /* = false */)
{
/* the driver might not have been constructed yet */
if (!mpDrv)
return;
#if DEBUG
/*
* Sanity check. Note that this method may be called on EMT after Console
* has started the power down procedure (but before our #drvDestruct() is
* called, in which case pVM will aleady be NULL but mpDrv will not). Since
* we don't really need pVM to proceed, we avoid this check in the release
* build to save some ms (necessary to construct SafeVMPtrQuiet) in this
* time-critical method.
*/
Console::SafeVMPtrQuiet pVM (mParent);
if (pVM.isOk())
VM_ASSERT_EMT (pVM.raw());
#endif
/* The method is only relevant to the primary framebuffer. */
IFramebuffer *pFramebuffer = maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN].pFramebuffer;
if (pFramebuffer)
{
HRESULT rc;
BYTE *address = 0;
rc = pFramebuffer->COMGETTER(Address) (&address);
AssertComRC (rc);
ULONG bytesPerLine = 0;
rc = pFramebuffer->COMGETTER(BytesPerLine) (&bytesPerLine);
AssertComRC (rc);
ULONG bitsPerPixel = 0;
rc = pFramebuffer->COMGETTER(BitsPerPixel) (&bitsPerPixel);
AssertComRC (rc);
ULONG width = 0;
rc = pFramebuffer->COMGETTER(Width) (&width);
AssertComRC (rc);
ULONG height = 0;
rc = pFramebuffer->COMGETTER(Height) (&height);
AssertComRC (rc);
/*
* Check current parameters with new ones and issue handleDisplayResize()
* to let the new frame buffer adjust itself properly. Note that it will
* result into a recursive updateDisplayData() call but with
* aCheckOld = false.
*/
if (aCheckParams &&
(mLastAddress != address ||
mLastBytesPerLine != bytesPerLine ||
mLastBitsPerPixel != bitsPerPixel ||
mLastWidth != (int) width ||
mLastHeight != (int) height))
{
handleDisplayResize (VBOX_VIDEO_PRIMARY_SCREEN, mLastBitsPerPixel,
mLastAddress,
mLastBytesPerLine,
mLastWidth,
mLastHeight);
return;
}
mpDrv->IConnector.pu8Data = (uint8_t *) address;
mpDrv->IConnector.cbScanline = bytesPerLine;
mpDrv->IConnector.cBits = bitsPerPixel;
mpDrv->IConnector.cx = width;
mpDrv->IConnector.cy = height;
}
else
{
/* black hole */
mpDrv->IConnector.pu8Data = NULL;
mpDrv->IConnector.cbScanline = 0;
mpDrv->IConnector.cBits = 0;
mpDrv->IConnector.cx = 0;
mpDrv->IConnector.cy = 0;
}
}
/**
* Changes the current frame buffer. Called on EMT to avoid both
* race conditions and excessive locking.
*
* @note locks this object for writing
* @thread EMT
*/
/* static */
DECLCALLBACK(int) Display::changeFramebuffer (Display *that, IFramebuffer *aFB,
unsigned uScreenId)
{
LogFlowFunc (("uScreenId = %d\n", uScreenId));
AssertReturn(that, VERR_INVALID_PARAMETER);
AssertReturn(uScreenId < that->mcMonitors, VERR_INVALID_PARAMETER);
AutoCaller autoCaller(that);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
AutoWriteLock alock(that COMMA_LOCKVAL_SRC_POS);
DISPLAYFBINFO *pDisplayFBInfo = &that->maFramebuffers[uScreenId];
pDisplayFBInfo->pFramebuffer = aFB;
that->mParent->consoleVRDPServer()->SendResize ();
that->updateDisplayData (true /* aCheckParams */);
return VINF_SUCCESS;
}
/**
* Handle display resize event issued by the VGA device for the primary screen.
*
* @see PDMIDISPLAYCONNECTOR::pfnResize
*/
DECLCALLBACK(int) Display::displayResizeCallback(PPDMIDISPLAYCONNECTOR pInterface,
uint32_t bpp, void *pvVRAM, uint32_t cbLine, uint32_t cx, uint32_t cy)
{
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
LogFlowFunc (("bpp %d, pvVRAM %p, cbLine %d, cx %d, cy %d\n",
bpp, pvVRAM, cbLine, cx, cy));
return pDrv->pDisplay->handleDisplayResize(VBOX_VIDEO_PRIMARY_SCREEN, bpp, pvVRAM, cbLine, cx, cy);
}
/**
* Handle display update.
*
* @see PDMIDISPLAYCONNECTOR::pfnUpdateRect
*/
DECLCALLBACK(void) Display::displayUpdateCallback(PPDMIDISPLAYCONNECTOR pInterface,
uint32_t x, uint32_t y, uint32_t cx, uint32_t cy)
{
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
#ifdef DEBUG_sunlover
LogFlowFunc (("mfVideoAccelEnabled = %d, %d,%d %dx%d\n",
pDrv->pDisplay->mfVideoAccelEnabled, x, y, cx, cy));
#endif /* DEBUG_sunlover */
/* This call does update regardless of VBVA status.
* But in VBVA mode this is called only as result of
* pfnUpdateDisplayAll in the VGA device.
*/
pDrv->pDisplay->handleDisplayUpdate(x, y, cx, cy);
}
/**
* Periodic display refresh callback.
*
* @see PDMIDISPLAYCONNECTOR::pfnRefresh
*/
DECLCALLBACK(void) Display::displayRefreshCallback(PPDMIDISPLAYCONNECTOR pInterface)
{
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
#ifdef DEBUG_sunlover
STAM_PROFILE_START(&StatDisplayRefresh, a);
#endif /* DEBUG_sunlover */
#ifdef DEBUG_sunlover_2
LogFlowFunc (("pDrv->pDisplay->mfVideoAccelEnabled = %d\n",
pDrv->pDisplay->mfVideoAccelEnabled));
#endif /* DEBUG_sunlover_2 */
Display *pDisplay = pDrv->pDisplay;
bool fNoUpdate = false; /* Do not update the display if any of the framebuffers is being resized. */
unsigned uScreenId;
for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
{
DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
/* Check the resize status. The status can be checked normally because
* the status affects only the EMT.
*/
uint32_t u32ResizeStatus = pFBInfo->u32ResizeStatus;
if (u32ResizeStatus == ResizeStatus_UpdateDisplayData)
{
LogFlowFunc (("ResizeStatus_UpdateDisplayData %d\n", uScreenId));
fNoUpdate = true; /* Always set it here, because pfnUpdateDisplayAll can cause a new resize. */
/* The framebuffer was resized and display data need to be updated. */
pDisplay->handleResizeCompletedEMT ();
if (pFBInfo->u32ResizeStatus != ResizeStatus_Void)
{
/* The resize status could be not Void here because a pending resize is issued. */
continue;
}
/* Continue with normal processing because the status here is ResizeStatus_Void. */
if (uScreenId == VBOX_VIDEO_PRIMARY_SCREEN)
{
/* Repaint the display because VM continued to run during the framebuffer resize. */
if (!pFBInfo->pFramebuffer.isNull())
#ifdef VBOX_WITH_OLD_VBVA_LOCK
{
pDisplay->vbvaLock();
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
pDrv->pUpPort->pfnUpdateDisplayAll(pDrv->pUpPort);
#ifdef VBOX_WITH_OLD_VBVA_LOCK
pDisplay->vbvaUnlock();
}
#endif /* VBOX_WITH_OLD_VBVA_LOCK */
}
}
else if (u32ResizeStatus == ResizeStatus_InProgress)
{
/* The framebuffer is being resized. Do not call the VGA device back. Immediately return. */
LogFlowFunc (("ResizeStatus_InProcess\n"));
fNoUpdate = true;
continue;
}
}
if (!fNoUpdate)
{
#ifdef VBOX_WITH_OLD_VBVA_LOCK
int rc = pDisplay->videoAccelRefreshProcess();
if (rc != VINF_TRY_AGAIN) /* Means 'do nothing' here. */
{
if (rc == VWRN_INVALID_STATE)
{
/* No VBVA do a display update. */
DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN];
if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
{
Assert(pDrv->IConnector.pu8Data);
pDisplay->vbvaLock();
pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
pDisplay->vbvaUnlock();
}
}
/* Inform the VRDP server that the current display update sequence is
* completed. At this moment the framebuffer memory contains a definite
* image, that is synchronized with the orders already sent to VRDP client.
* The server can now process redraw requests from clients or initial
* fullscreen updates for new clients.
*/
for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
{
DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
{
Assert (pDisplay->mParent && pDisplay->mParent->consoleVRDPServer());
pDisplay->mParent->consoleVRDPServer()->SendUpdate (uScreenId, NULL, 0);
}
}
}
#else
if (pDisplay->mfPendingVideoAccelEnable)
{
/* Acceleration was enabled while machine was not yet running
* due to restoring from saved state. Update entire display and
* actually enable acceleration.
*/
Assert(pDisplay->mpPendingVbvaMemory);
/* Acceleration can not be yet enabled.*/
Assert(pDisplay->mpVbvaMemory == NULL);
Assert(!pDisplay->mfVideoAccelEnabled);
if (pDisplay->mfMachineRunning)
{
pDisplay->VideoAccelEnable (pDisplay->mfPendingVideoAccelEnable,
pDisplay->mpPendingVbvaMemory);
/* Reset the pending state. */
pDisplay->mfPendingVideoAccelEnable = false;
pDisplay->mpPendingVbvaMemory = NULL;
}
}
else
{
Assert(pDisplay->mpPendingVbvaMemory == NULL);
if (pDisplay->mfVideoAccelEnabled)
{
Assert(pDisplay->mpVbvaMemory);
pDisplay->VideoAccelFlush ();
}
else
{
DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[VBOX_VIDEO_PRIMARY_SCREEN];
if (!pFBInfo->pFramebuffer.isNull())
{
Assert(pDrv->IConnector.pu8Data);
Assert(pFBInfo->u32ResizeStatus == ResizeStatus_Void);
pDrv->pUpPort->pfnUpdateDisplay(pDrv->pUpPort);
}
}
/* Inform the VRDP server that the current display update sequence is
* completed. At this moment the framebuffer memory contains a definite
* image, that is synchronized with the orders already sent to VRDP client.
* The server can now process redraw requests from clients or initial
* fullscreen updates for new clients.
*/
for (uScreenId = 0; uScreenId < pDisplay->mcMonitors; uScreenId++)
{
DISPLAYFBINFO *pFBInfo = &pDisplay->maFramebuffers[uScreenId];
if (!pFBInfo->pFramebuffer.isNull() && pFBInfo->u32ResizeStatus == ResizeStatus_Void)
{
Assert (pDisplay->mParent && pDisplay->mParent->consoleVRDPServer());
pDisplay->mParent->consoleVRDPServer()->SendUpdate (uScreenId, NULL, 0);
}
}
}
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
}
#ifdef DEBUG_sunlover
STAM_PROFILE_STOP(&StatDisplayRefresh, a);
#endif /* DEBUG_sunlover */
#ifdef DEBUG_sunlover_2
LogFlowFunc (("leave\n"));
#endif /* DEBUG_sunlover_2 */
}
/**
* Reset notification
*
* @see PDMIDISPLAYCONNECTOR::pfnReset
*/
DECLCALLBACK(void) Display::displayResetCallback(PPDMIDISPLAYCONNECTOR pInterface)
{
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
LogFlowFunc (("\n"));
/* Disable VBVA mode. */
pDrv->pDisplay->VideoAccelEnable (false, NULL);
}
/**
* LFBModeChange notification
*
* @see PDMIDISPLAYCONNECTOR::pfnLFBModeChange
*/
DECLCALLBACK(void) Display::displayLFBModeChangeCallback(PPDMIDISPLAYCONNECTOR pInterface, bool fEnabled)
{
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
LogFlowFunc (("fEnabled=%d\n", fEnabled));
NOREF(fEnabled);
/* Disable VBVA mode in any case. The guest driver reenables VBVA mode if necessary. */
#ifdef VBOX_WITH_OLD_VBVA_LOCK
/* This is called under DevVGA lock. Postpone disabling VBVA, do it in the refresh timer. */
ASMAtomicWriteU32(&pDrv->pDisplay->mfu32PendingVideoAccelDisable, true);
#else
pDrv->pDisplay->VideoAccelEnable (false, NULL);
#endif /* !VBOX_WITH_OLD_VBVA_LOCK */
}
/**
* Adapter information change notification.
*
* @see PDMIDISPLAYCONNECTOR::pfnProcessAdapterData
*/
DECLCALLBACK(void) Display::displayProcessAdapterDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, uint32_t u32VRAMSize)
{
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
if (pvVRAM == NULL)
{
unsigned i;
for (i = 0; i < pDrv->pDisplay->mcMonitors; i++)
{
DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[i];
pFBInfo->u32Offset = 0;
pFBInfo->u32MaxFramebufferSize = 0;
pFBInfo->u32InformationSize = 0;
}
}
#ifndef VBOX_WITH_HGSMI
else
{
uint8_t *pu8 = (uint8_t *)pvVRAM;
pu8 += u32VRAMSize - VBOX_VIDEO_ADAPTER_INFORMATION_SIZE;
// @todo
uint8_t *pu8End = pu8 + VBOX_VIDEO_ADAPTER_INFORMATION_SIZE;
VBOXVIDEOINFOHDR *pHdr;
for (;;)
{
pHdr = (VBOXVIDEOINFOHDR *)pu8;
pu8 += sizeof (VBOXVIDEOINFOHDR);
if (pu8 >= pu8End)
{
LogRel(("VBoxVideo: Guest adapter information overflow!!!\n"));
break;
}
if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_DISPLAY)
{
if (pHdr->u16Length != sizeof (VBOXVIDEOINFODISPLAY))
{
LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "DISPLAY", pHdr->u16Length));
break;
}
VBOXVIDEOINFODISPLAY *pDisplay = (VBOXVIDEOINFODISPLAY *)pu8;
if (pDisplay->u32Index >= pDrv->pDisplay->mcMonitors)
{
LogRel(("VBoxVideo: Guest adapter information invalid display index %d!!!\n", pDisplay->u32Index));
break;
}
DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[pDisplay->u32Index];
pFBInfo->u32Offset = pDisplay->u32Offset;
pFBInfo->u32MaxFramebufferSize = pDisplay->u32FramebufferSize;
pFBInfo->u32InformationSize = pDisplay->u32InformationSize;
LogFlow(("VBOX_VIDEO_INFO_TYPE_DISPLAY: %d: at 0x%08X, size 0x%08X, info 0x%08X\n", pDisplay->u32Index, pDisplay->u32Offset, pDisplay->u32FramebufferSize, pDisplay->u32InformationSize));
}
else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_QUERY_CONF32)
{
if (pHdr->u16Length != sizeof (VBOXVIDEOINFOQUERYCONF32))
{
LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "CONF32", pHdr->u16Length));
break;
}
VBOXVIDEOINFOQUERYCONF32 *pConf32 = (VBOXVIDEOINFOQUERYCONF32 *)pu8;
switch (pConf32->u32Index)
{
case VBOX_VIDEO_QCI32_MONITOR_COUNT:
{
pConf32->u32Value = pDrv->pDisplay->mcMonitors;
} break;
case VBOX_VIDEO_QCI32_OFFSCREEN_HEAP_SIZE:
{
/* @todo make configurable. */
pConf32->u32Value = _1M;
} break;
default:
LogRel(("VBoxVideo: CONF32 %d not supported!!! Skipping.\n", pConf32->u32Index));
}
}
else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
{
if (pHdr->u16Length != 0)
{
LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
break;
}
break;
}
else if (pHdr->u8Type != VBOX_VIDEO_INFO_TYPE_NV_HEAP) /** @todo why is Additions/WINNT/Graphics/Miniport/VBoxVideo.cpp pushing this to us? */
{
LogRel(("Guest adapter information contains unsupported type %d. The block has been skipped.\n", pHdr->u8Type));
}
pu8 += pHdr->u16Length;
}
}
#endif /* !VBOX_WITH_HGSMI */
}
/**
* Display information change notification.
*
* @see PDMIDISPLAYCONNECTOR::pfnProcessDisplayData
*/
DECLCALLBACK(void) Display::displayProcessDisplayDataCallback(PPDMIDISPLAYCONNECTOR pInterface, void *pvVRAM, unsigned uScreenId)
{
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
if (uScreenId >= pDrv->pDisplay->mcMonitors)
{
LogRel(("VBoxVideo: Guest display information invalid display index %d!!!\n", uScreenId));
return;
}
/* Get the display information structure. */
DISPLAYFBINFO *pFBInfo = &pDrv->pDisplay->maFramebuffers[uScreenId];
uint8_t *pu8 = (uint8_t *)pvVRAM;
pu8 += pFBInfo->u32Offset + pFBInfo->u32MaxFramebufferSize;
// @todo
uint8_t *pu8End = pu8 + pFBInfo->u32InformationSize;
VBOXVIDEOINFOHDR *pHdr;
for (;;)
{
pHdr = (VBOXVIDEOINFOHDR *)pu8;
pu8 += sizeof (VBOXVIDEOINFOHDR);
if (pu8 >= pu8End)
{
LogRel(("VBoxVideo: Guest display information overflow!!!\n"));
break;
}
if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_SCREEN)
{
if (pHdr->u16Length != sizeof (VBOXVIDEOINFOSCREEN))
{
LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "SCREEN", pHdr->u16Length));
break;
}
VBOXVIDEOINFOSCREEN *pScreen = (VBOXVIDEOINFOSCREEN *)pu8;
pFBInfo->xOrigin = pScreen->xOrigin;
pFBInfo->yOrigin = pScreen->yOrigin;
pFBInfo->w = pScreen->u16Width;
pFBInfo->h = pScreen->u16Height;
LogFlow(("VBOX_VIDEO_INFO_TYPE_SCREEN: (%p) %d: at %d,%d, linesize 0x%X, size %dx%d, bpp %d, flags 0x%02X\n",
pHdr, uScreenId, pScreen->xOrigin, pScreen->yOrigin, pScreen->u32LineSize, pScreen->u16Width, pScreen->u16Height, pScreen->bitsPerPixel, pScreen->u8Flags));
if (uScreenId != VBOX_VIDEO_PRIMARY_SCREEN)
{
/* Primary screen resize is initiated by the VGA device. */
pDrv->pDisplay->handleDisplayResize(uScreenId, pScreen->bitsPerPixel, (uint8_t *)pvVRAM + pFBInfo->u32Offset, pScreen->u32LineSize, pScreen->u16Width, pScreen->u16Height);
}
}
else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_END)
{
if (pHdr->u16Length != 0)
{
LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "END", pHdr->u16Length));
break;
}
break;
}
else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_HOST_EVENTS)
{
if (pHdr->u16Length != sizeof (VBOXVIDEOINFOHOSTEVENTS))
{
LogRel(("VBoxVideo: Guest display information %s invalid length %d!!!\n", "HOST_EVENTS", pHdr->u16Length));
break;
}
VBOXVIDEOINFOHOSTEVENTS *pHostEvents = (VBOXVIDEOINFOHOSTEVENTS *)pu8;
pFBInfo->pHostEvents = pHostEvents;
LogFlow(("VBOX_VIDEO_INFO_TYPE_HOSTEVENTS: (%p)\n",
pHostEvents));
}
else if (pHdr->u8Type == VBOX_VIDEO_INFO_TYPE_LINK)
{
if (pHdr->u16Length != sizeof (VBOXVIDEOINFOLINK))
{
LogRel(("VBoxVideo: Guest adapter information %s invalid length %d!!!\n", "LINK", pHdr->u16Length));
break;
}
VBOXVIDEOINFOLINK *pLink = (VBOXVIDEOINFOLINK *)pu8;
pu8 += pLink->i32Offset;
}
else
{
LogRel(("Guest display information contains unsupported type %d\n", pHdr->u8Type));
}
pu8 += pHdr->u16Length;
}
}
#ifdef VBOX_WITH_VIDEOHWACCEL
void Display::handleVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand)
{
unsigned id = (unsigned)pCommand->iDisplay;
int rc = VINF_SUCCESS;
if(id < mcMonitors)
{
IFramebuffer *pFramebuffer = maFramebuffers[id].pFramebuffer;
if (pFramebuffer != NULL)
{
pFramebuffer->Lock();
HRESULT hr = pFramebuffer->ProcessVHWACommand((BYTE*)pCommand);
if(FAILED(hr))
{
rc = (hr == E_NOTIMPL) ? VERR_NOT_IMPLEMENTED : VERR_GENERAL_FAILURE;
}
pFramebuffer->Unlock();
}
else
{
rc = VERR_NOT_IMPLEMENTED;
}
}
else
{
rc = VERR_INVALID_PARAMETER;
}
if(RT_FAILURE(rc))
{
/* tell the guest the command is complete */
pCommand->Flags &= (~VBOXVHWACMD_FLAG_HG_ASYNCH);
pCommand->rc = rc;
}
}
DECLCALLBACK(void) Display::displayVHWACommandProcess(PPDMIDISPLAYCONNECTOR pInterface, PVBOXVHWACMD pCommand)
{
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
pDrv->pDisplay->handleVHWACommandProcess(pInterface, pCommand);
}
#endif
#ifdef VBOX_WITH_HGSMI
DECLCALLBACK(int) Display::displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, PVBVAHOSTFLAGS pHostFlags)
{
LogFlowFunc(("uScreenId %d\n", uScreenId));
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
Display *pThis = pDrv->pDisplay;
pThis->maFramebuffers[uScreenId].fVBVAEnabled = true;
pThis->maFramebuffers[uScreenId].pVBVAHostFlags = pHostFlags;
vbvaSetMemoryFlagsHGSMI(uScreenId, pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, &pThis->maFramebuffers[uScreenId]);
return VINF_SUCCESS;
}
DECLCALLBACK(void) Display::displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
{
LogFlowFunc(("uScreenId %d\n", uScreenId));
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
Display *pThis = pDrv->pDisplay;
pThis->maFramebuffers[uScreenId].fVBVAEnabled = false;
vbvaSetMemoryFlagsHGSMI(uScreenId, 0, false, &pThis->maFramebuffers[uScreenId]);
pThis->maFramebuffers[uScreenId].pVBVAHostFlags = NULL;
}
DECLCALLBACK(void) Display::displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId)
{
LogFlowFunc(("uScreenId %d\n", uScreenId));
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
Display *pThis = pDrv->pDisplay;
DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
if (ASMAtomicReadU32(&pThis->mu32UpdateVBVAFlags) > 0)
{
vbvaSetMemoryFlagsAllHGSMI(pThis->mfu32SupportedOrders, pThis->mfVideoAccelVRDP, pThis->maFramebuffers, pThis->mcMonitors);
ASMAtomicDecU32(&pThis->mu32UpdateVBVAFlags);
}
if (RT_LIKELY(pFBInfo->u32ResizeStatus == ResizeStatus_Void))
{
if (RT_UNLIKELY(pFBInfo->cVBVASkipUpdate != 0))
{
/* Some updates were skipped. Note: displayVBVAUpdate* callbacks are called
* under display device lock, so thread safe.
*/
pFBInfo->cVBVASkipUpdate = 0;
pThis->handleDisplayUpdate(pFBInfo->vbvaSkippedRect.xLeft,
pFBInfo->vbvaSkippedRect.yTop,
pFBInfo->vbvaSkippedRect.xRight - pFBInfo->vbvaSkippedRect.xLeft,
pFBInfo->vbvaSkippedRect.yBottom - pFBInfo->vbvaSkippedRect.yTop);
}
}
else
{
/* The framebuffer is being resized. */
pFBInfo->cVBVASkipUpdate++;
}
}
DECLCALLBACK(void) Display::displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, const PVBVACMDHDR pCmd, size_t cbCmd)
{
LogFlowFunc(("uScreenId %d pCmd %p cbCmd %d\n", uScreenId, pCmd, cbCmd));
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
Display *pThis = pDrv->pDisplay;
DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
if (RT_LIKELY(pFBInfo->cVBVASkipUpdate == 0))
{
if (pFBInfo->fDefaultFormat)
{
pDrv->pUpPort->pfnUpdateDisplayRect (pDrv->pUpPort, pCmd->x, pCmd->y, pCmd->w, pCmd->h);
pThis->handleDisplayUpdate (pCmd->x + pFBInfo->xOrigin,
pCmd->y + pFBInfo->yOrigin, pCmd->w, pCmd->h);
}
pThis->mParent->consoleVRDPServer()->SendUpdate (uScreenId, pCmd, cbCmd);
}
}
DECLCALLBACK(void) Display::displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y, uint32_t cx, uint32_t cy)
{
LogFlowFunc(("uScreenId %d %d,%d %dx%d\n", uScreenId, x, y, cx, cy));
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
Display *pThis = pDrv->pDisplay;
DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[uScreenId];
/* @todo handleFramebufferUpdate (uScreenId,
* x - pThis->maFramebuffers[uScreenId].xOrigin,
* y - pThis->maFramebuffers[uScreenId].yOrigin,
* cx, cy);
*/
if (RT_LIKELY(pFBInfo->cVBVASkipUpdate == 0))
{
pThis->handleDisplayUpdate(x, y, cx, cy);
}
else
{
/* Save the updated rectangle. */
int32_t xRight = x + cx;
int32_t yBottom = y + cy;
if (pFBInfo->cVBVASkipUpdate == 1)
{
pFBInfo->vbvaSkippedRect.xLeft = x;
pFBInfo->vbvaSkippedRect.yTop = y;
pFBInfo->vbvaSkippedRect.xRight = xRight;
pFBInfo->vbvaSkippedRect.yBottom = yBottom;
}
else
{
if (pFBInfo->vbvaSkippedRect.xLeft > x)
{
pFBInfo->vbvaSkippedRect.xLeft = x;
}
if (pFBInfo->vbvaSkippedRect.yTop > y)
{
pFBInfo->vbvaSkippedRect.yTop = y;
}
if (pFBInfo->vbvaSkippedRect.xRight < xRight)
{
pFBInfo->vbvaSkippedRect.xRight = xRight;
}
if (pFBInfo->vbvaSkippedRect.yBottom < yBottom)
{
pFBInfo->vbvaSkippedRect.yBottom = yBottom;
}
}
}
}
DECLCALLBACK(int) Display::displayVBVAResize(PPDMIDISPLAYCONNECTOR pInterface, const PVBVAINFOVIEW pView, const PVBVAINFOSCREEN pScreen, void *pvVRAM)
{
LogFlowFunc(("pScreen %p, pvVRAM %p\n", pScreen, pvVRAM));
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
Display *pThis = pDrv->pDisplay;
DISPLAYFBINFO *pFBInfo = &pThis->maFramebuffers[pScreen->u32ViewIndex];
pFBInfo->u32Offset = pView->u32ViewOffset; /* Not used in HGSMI. */
pFBInfo->u32MaxFramebufferSize = pView->u32MaxScreenSize; /* Not used in HGSMI. */
pFBInfo->u32InformationSize = 0; /* Not used in HGSMI. */
pFBInfo->xOrigin = pScreen->i32OriginX;
pFBInfo->yOrigin = pScreen->i32OriginY;
pFBInfo->w = pScreen->u32Width;
pFBInfo->h = pScreen->u32Height;
return pThis->handleDisplayResize(pScreen->u32ViewIndex, pScreen->u16BitsPerPixel,
(uint8_t *)pvVRAM + pScreen->u32StartOffset,
pScreen->u32LineSize, pScreen->u32Width, pScreen->u32Height);
}
DECLCALLBACK(int) Display::displayVBVAMousePointerShape(PPDMIDISPLAYCONNECTOR pInterface, bool fVisible, bool fAlpha,
uint32_t xHot, uint32_t yHot,
uint32_t cx, uint32_t cy,
const void *pvShape)
{
LogFlowFunc(("\n"));
PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface);
Display *pThis = pDrv->pDisplay;
/* Tell the console about it */
pDrv->pDisplay->mParent->onMousePointerShapeChange(fVisible, fAlpha,
xHot, yHot, cx, cy, (void *)pvShape);
return VINF_SUCCESS;
}
#endif /* VBOX_WITH_HGSMI */
/**
* @interface_method_impl{PDMIBASE,pfnQueryInterface}
*/
DECLCALLBACK(void *) Display::drvQueryInterface(PPDMIBASE pInterface, const char *pszIID)
{
PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
PDRVMAINDISPLAY pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
PDMIBASE_RETURN_INTERFACE(pszIID, PDMIDISPLAYCONNECTOR, &pDrv->IConnector);
return NULL;
}
/**
* Destruct a display driver instance.
*
* @returns VBox status.
* @param pDrvIns The driver instance data.
*/
DECLCALLBACK(void) Display::drvDestruct(PPDMDRVINS pDrvIns)
{
PDRVMAINDISPLAY pData = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
LogFlowFunc (("iInstance=%d\n", pDrvIns->iInstance));
if (pData->pDisplay)
{
AutoWriteLock displayLock(pData->pDisplay COMMA_LOCKVAL_SRC_POS);
pData->pDisplay->mpDrv = NULL;
pData->pDisplay->mpVMMDev = NULL;
pData->pDisplay->mLastAddress = NULL;
pData->pDisplay->mLastBytesPerLine = 0;
pData->pDisplay->mLastBitsPerPixel = 0,
pData->pDisplay->mLastWidth = 0;
pData->pDisplay->mLastHeight = 0;
}
}
/**
* Construct a display driver instance.
*
* @copydoc FNPDMDRVCONSTRUCT
*/
DECLCALLBACK(int) Display::drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfgHandle, uint32_t fFlags)
{
PDRVMAINDISPLAY pData = PDMINS_2_DATA(pDrvIns, PDRVMAINDISPLAY);
LogFlowFunc (("iInstance=%d\n", pDrvIns->iInstance));
/*
* Validate configuration.
*/
if (!CFGMR3AreValuesValid(pCfgHandle, "Object\0"))
return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
("Configuration error: Not possible to attach anything to this driver!\n"),
VERR_PDM_DRVINS_NO_ATTACH);
/*
* Init Interfaces.
*/
pDrvIns->IBase.pfnQueryInterface = Display::drvQueryInterface;
pData->IConnector.pfnResize = Display::displayResizeCallback;
pData->IConnector.pfnUpdateRect = Display::displayUpdateCallback;
pData->IConnector.pfnRefresh = Display::displayRefreshCallback;
pData->IConnector.pfnReset = Display::displayResetCallback;
pData->IConnector.pfnLFBModeChange = Display::displayLFBModeChangeCallback;
pData->IConnector.pfnProcessAdapterData = Display::displayProcessAdapterDataCallback;
pData->IConnector.pfnProcessDisplayData = Display::displayProcessDisplayDataCallback;
#ifdef VBOX_WITH_VIDEOHWACCEL
pData->IConnector.pfnVHWACommandProcess = Display::displayVHWACommandProcess;
#endif
#ifdef VBOX_WITH_HGSMI
pData->IConnector.pfnVBVAEnable = Display::displayVBVAEnable;
pData->IConnector.pfnVBVADisable = Display::displayVBVADisable;
pData->IConnector.pfnVBVAUpdateBegin = Display::displayVBVAUpdateBegin;
pData->IConnector.pfnVBVAUpdateProcess = Display::displayVBVAUpdateProcess;
pData->IConnector.pfnVBVAUpdateEnd = Display::displayVBVAUpdateEnd;
pData->IConnector.pfnVBVAResize = Display::displayVBVAResize;
pData->IConnector.pfnVBVAMousePointerShape = Display::displayVBVAMousePointerShape;
#endif
/*
* Get the IDisplayPort interface of the above driver/device.
*/
pData->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYPORT);
if (!pData->pUpPort)
{
AssertMsgFailed(("Configuration error: No display port interface above!\n"));
return VERR_PDM_MISSING_INTERFACE_ABOVE;
}
#if defined(VBOX_WITH_VIDEOHWACCEL)
pData->pVBVACallbacks = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIDISPLAYVBVACALLBACKS);
if (!pData->pVBVACallbacks)
{
AssertMsgFailed(("Configuration error: No VBVA callback interface above!\n"));
return VERR_PDM_MISSING_INTERFACE_ABOVE;
}
#endif
/*
* Get the Display object pointer and update the mpDrv member.
*/
void *pv;
int rc = CFGMR3QueryPtr(pCfgHandle, "Object", &pv);
if (RT_FAILURE(rc))
{
AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
return rc;
}
pData->pDisplay = (Display *)pv; /** @todo Check this cast! */
pData->pDisplay->mpDrv = pData;
/*
* Update our display information according to the framebuffer
*/
pData->pDisplay->updateDisplayData();
/*
* Start periodic screen refreshes
*/
pData->pUpPort->pfnSetRefreshRate(pData->pUpPort, 20);
return VINF_SUCCESS;
}
/**
* Display driver registration record.
*/
const PDMDRVREG Display::DrvReg =
{
/* u32Version */
PDM_DRVREG_VERSION,
/* szDriverName */
"MainDisplay",
/* szRCMod */
"",
/* szR0Mod */
"",
/* pszDescription */
"Main display driver (Main as in the API).",
/* fFlags */
PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
/* fClass. */
PDM_DRVREG_CLASS_DISPLAY,
/* cMaxInstances */
~0,
/* cbInstance */
sizeof(DRVMAINDISPLAY),
/* pfnConstruct */
Display::drvConstruct,
/* pfnDestruct */
Display::drvDestruct,
/* pfnRelocate */
NULL,
/* pfnIOCtl */
NULL,
/* pfnPowerOn */
NULL,
/* pfnReset */
NULL,
/* pfnSuspend */
NULL,
/* pfnResume */
NULL,
/* pfnAttach */
NULL,
/* pfnDetach */
NULL,
/* pfnPowerOff */
NULL,
/* pfnSoftReset */
NULL,
/* u32EndVersion */
PDM_DRVREG_VERSION
};
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