int Display::i_videoAccelFlush(PPDMIDISPLAYPORT pUpPort)
{
VIDEOACCEL *pVideoAccel = &mVideoAccelLegacy;
VBVAMEMORY *pVbvaMemory = pVideoAccel->pVbvaMemory;
#ifdef DEBUG_sunlover_2
LogFlowFunc(("fVideoAccelEnabled = %d\n", pVideoAccel->fVideoAccelEnabled));
#endif /* DEBUG_sunlover_2 */
if (!pVideoAccel->fVideoAccelEnabled)
{
Log(("Display::VideoAccelFlush: called with disabled VBVA!!! Ignoring.\n"));
return VINF_SUCCESS;
}
/* Here VBVA is enabled and we have the accelerator memory pointer. */
Assert(pVbvaMemory);
#ifdef DEBUG_sunlover_2
LogFlowFunc(("indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
pVbvaMemory->indexRecordFirst, pVbvaMemory->indexRecordFree,
pVbvaMemory->off32Data, pVbvaMemory->off32Free));
#endif /* DEBUG_sunlover_2 */
/* Quick check for "nothing to update" case. */
if (pVbvaMemory->indexRecordFirst == pVbvaMemory->indexRecordFree)
{
return VINF_SUCCESS;
}
/* Process the ring buffer */
unsigned uScreenId;
/* Initialize dirty rectangles accumulator. */
VBVADIRTYREGION rgn;
vbvaRgnInit(&rgn, maFramebuffers, mcMonitors, this, pUpPort);
for (;;)
{
VBVACMDHDR *phdr = NULL;
uint32_t cbCmd = ~0;
/* Fetch the command data. */
if (!i_vbvaFetchCmd(pVideoAccel, &phdr, &cbCmd))
{
Log(("Display::VideoAccelFlush: unable to fetch command. off32Data = %d, off32Free = %d. Disabling VBVA!!!\n",
pVbvaMemory->off32Data, pVbvaMemory->off32Free));
return VERR_INVALID_STATE;
}
if (cbCmd == uint32_t(~0))
{
/* No more commands yet in the queue. */
#ifdef DEBUG_sunlover
LogFlowFunc(("no command\n"));
#endif /* DEBUG_sunlover */
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;
/* 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->i_consoleVRDPServer()->SendUpdate(uScreenId, phdr, cbCmd);
*phdr = hdrSaved;
}
i_vbvaReleaseCmd(pVideoAccel, phdr, cbCmd);
}
for (uScreenId = 0; uScreenId < mcMonitors; uScreenId++)
{
/* Draw the framebuffer. */
vbvaRgnUpdateFramebuffer(&rgn, uScreenId);
}
return VINF_SUCCESS;
}
/**
* Called regularly on the DisplayRefresh timer.
* Also on behalf of guest, when the ring buffer is full.
*
* @thread EMT
*/
void Display::VideoAccelFlush (void)
{
#ifdef DEBUG_sunlover
LogFlow(("Display::VideoAccelFlush: mfVideoAccelEnabled = %d\n", mfVideoAccelEnabled));
#endif /* DEBUG_sunlover */
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
LogFlow(("Display::VideoAccelFlush: indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
mpVbvaMemory->indexRecordFirst, mpVbvaMemory->indexRecordFree, mpVbvaMemory->off32Data, mpVbvaMemory->off32Free));
#endif /* DEBUG_sunlover */
/* Quick check for "nothing to update" case. */
if (mpVbvaMemory->indexRecordFirst == mpVbvaMemory->indexRecordFree)
return;
/* Process the ring buffer */
bool fFramebufferIsNull = (mFramebuffer == NULL);
if (!fFramebufferIsNull)
mFramebuffer->Lock();
/* Initialize dirty rectangles accumulator. */
VBVADIRTYREGION rgn;
vbvaRgnInit (&rgn, mFramebuffer, 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. */
VideoAccelEnable (false, NULL);
break;
}
if (!cbCmd)
{
/* No more commands yet in the queue. */
break;
}
if (!fFramebufferIsNull)
{
#ifdef DEBUG_sunlover
LogFlow(("MAIN::DisplayImpl::VideoAccelFlush: hdr: cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n", cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
#endif /* DEBUG_sunlover */
/* 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, phdr);
// /* Forward the command to VRDP server. */
// mParent->consoleVRDPServer()->SendUpdate (phdr, cbCmd);
}
vbvaReleaseCmd (phdr, cbCmd);
}
if (!fFramebufferIsNull)
mFramebuffer->Unlock ();
/* Draw the framebuffer. */
vbvaRgnUpdateFramebuffer (&rgn);
}
