int VBoxDispVHWADisable(PVBOXDISPDEV pDev)
{
int rc = VERR_GENERAL_FAILURE;
VBOXVHWACMD* pCmd;
if (!pDev->hgsmi.bSupported)
return VERR_NOT_SUPPORTED;
pCmd = VBoxDispVHWACommandCreate (pDev, VBOXVHWACMD_TYPE_DISABLE, 0);
if (!pCmd)
{
WARN(("VBoxDispVHWACommandCreate failed"));
return rc;
}
if(VBoxDispVHWACommandSubmit (pDev, pCmd))
{
if(RT_SUCCESS(pCmd->rc))
{
rc = VINF_SUCCESS;
}
}
VBoxDispVHWACommandRelease(pDev, pCmd);
VBoxDispVHWACommandCheckHostCmds(pDev);
return rc;
}
DWORD APIENTRY VBoxDispDDGetBltStatus(PDD_GETBLTSTATUSDATA lpGetBltStatus)
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV) lpGetBltStatus->lpDD->dhpdev;
PVBOXVHWASURFDESC pDesc = (PVBOXVHWASURFDESC)lpGetBltStatus->lpDDSurface->lpGbl->dwReserved1;
LOGF_ENTER();
if(lpGetBltStatus->dwFlags == DDGBS_CANBLT)
{
lpGetBltStatus->ddRVal = DD_OK;
}
else /* DDGBS_ISBLTDONE */
{
if (pDesc)
{
if(ASMAtomicUoReadU32(&pDesc->cPendingBltsSrc) || ASMAtomicUoReadU32(&pDesc->cPendingBltsDst))
{
VBoxDispVHWACommandCheckHostCmds(pDev);
if(ASMAtomicUoReadU32(&pDesc->cPendingBltsSrc) || ASMAtomicUoReadU32(&pDesc->cPendingBltsDst))
{
lpGetBltStatus->ddRVal = DDERR_WASSTILLDRAWING;
}
else
{
lpGetBltStatus->ddRVal = DD_OK;
}
}
else
{
lpGetBltStatus->ddRVal = DD_OK;
}
}
else
{
WARN(("!pDesc"));
lpGetBltStatus->ddRVal = DDERR_GENERIC;
}
}
LOGF_LEAVE();
return DDHAL_DRIVER_HANDLED;
}
DWORD APIENTRY VBoxDispDDGetFlipStatus(PDD_GETFLIPSTATUSDATA lpGetFlipStatus)
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV) lpGetFlipStatus->lpDD->dhpdev;
PVBOXVHWASURFDESC pDesc = (PVBOXVHWASURFDESC)lpGetFlipStatus->lpDDSurface->lpGbl->dwReserved1;
LOGF_ENTER();
/*can't flip is there's a flip pending, so result is same for DDGFS_CANFLIP/DDGFS_ISFLIPDONE */
if (pDesc)
{
if(ASMAtomicUoReadU32(&pDesc->cPendingFlipsTarg) || ASMAtomicUoReadU32(&pDesc->cPendingFlipsCurr))
{
VBoxDispVHWACommandCheckHostCmds(pDev);
if(ASMAtomicUoReadU32(&pDesc->cPendingFlipsTarg) || ASMAtomicUoReadU32(&pDesc->cPendingFlipsCurr))
{
lpGetFlipStatus->ddRVal = DDERR_WASSTILLDRAWING;
}
else
{
lpGetFlipStatus->ddRVal = DD_OK;
}
}
else
{
lpGetFlipStatus->ddRVal = DD_OK;
}
}
else
{
WARN(("!pDesc"));
lpGetFlipStatus->ddRVal = DDERR_GENERIC;
}
LOGF_LEAVE();
return DDHAL_DRIVER_HANDLED;
}
VBOXVHWACMD* VBoxDispVHWACommandCreate(PVBOXDISPDEV pDev, VBOXVHWACMD_TYPE enmCmd, VBOXVHWACMD_LENGTH cbCmd)
{
VBOXVHWACMD* pHdr = (VBOXVHWACMD*)VBoxHGSMIBufferAlloc(&pDev->hgsmi.ctx,
cbCmd + VBOXVHWACMD_HEADSIZE(),
HGSMI_CH_VBVA,
VBVA_VHWA_CMD);
if (!pHdr)
{
WARN(("HGSMIHeapAlloc failed"));
}
else
{
memset(pHdr, 0, sizeof(VBOXVHWACMD));
pHdr->iDisplay = pDev->iDevice;
pHdr->rc = VERR_GENERAL_FAILURE;
pHdr->enmCmd = enmCmd;
pHdr->cRefs = 1;
}
/* @todo: temporary hack */
VBoxDispVHWACommandCheckHostCmds(pDev);
return pHdr;
}
/* Lock specified area of surface */
DWORD APIENTRY VBoxDispDDLock(PDD_LOCKDATA lpLock)
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV) lpLock->lpDD->dhpdev;
LOGF_ENTER();
DD_SURFACE_LOCAL* pSurf = lpLock->lpDDSurface;
lpLock->ddRVal = DD_OK;
#if 0
#ifdef VBOX_WITH_VIDEOHWACCEL
if(pDev->vhwa.bEnabled)
{
PVBOXVHWASURFDESC pDesc = (PVBOXVHWASURFDESC) pSurf->lpGbl->dwReserved1;
RECTL tmpRect, *pRect;
if (!pDesc)
{
WARN(("!pDesc, memory overwrite somewhere?"));
lpLock->ddRVal = DDERR_GENERIC;
return DDHAL_DRIVER_HANDLED;
}
/* Check if host is still processing drawing commands */
if (ASMAtomicUoReadU32(&pDesc->cPendingBltsSrc)
|| ASMAtomicUoReadU32(&pDesc->cPendingFlipsCurr)
|| ASMAtomicUoReadU32(&pDesc->cPendingBltsDst)
|| ASMAtomicUoReadU32(&pDesc->cPendingFlipsTarg))
{
VBoxDispVHWACommandCheckHostCmds(pDev);
if(ASMAtomicUoReadU32(&pDesc->cPendingBltsSrc)
|| ASMAtomicUoReadU32(&pDesc->cPendingFlipsCurr)
|| ASMAtomicUoReadU32(&pDesc->cPendingBltsDst)
|| ASMAtomicUoReadU32(&pDesc->cPendingFlipsTarg))
{
lpLock->ddRVal = DDERR_WASSTILLDRAWING;
return DDHAL_DRIVER_HANDLED;
}
}
if (lpLock->bHasRect)
{
pRect = &lpLock->rArea;
}
else
{
tmpRect.left = 0;
tmpRect.top = 0;
tmpRect.right = pSurf->lpGbl->wWidth-1;
tmpRect.bottom = pSurf->lpGbl->wHeight-1;
pRect = &tmpRect;
}
if (lpLock->dwFlags & DDLOCK_DISCARDCONTENTS)
{
VBoxDispVHWARegionTrySubstitute(&pDesc->NonupdatedMemRegion, pRect);
VBoxDispVHWARegionAdd(&pDesc->UpdatedMemRegion, pRect);
}
else if (!VBoxDispVHWARegionIntersects(&pDesc->NonupdatedMemRegion, pRect))
{
VBoxDispVHWARegionAdd(&pDesc->UpdatedMemRegion, pRect);
}
else
{
VBOXVHWACMD *pCmd;
pCmd = VBoxDispVHWACommandCreate(pDev, VBOXVHWACMD_TYPE_SURF_LOCK, sizeof(VBOXVHWACMD_SURF_LOCK));
if (pCmd)
{
VBOXVHWACMD_SURF_LOCK *pBody = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_SURF_LOCK);
memset(pBody, 0, sizeof(VBOXVHWACMD_SURF_LOCK));
pBody->u.in.offSurface = VBoxDispVHWAVramOffsetFromPDEV(pDev, pSurf->lpGbl->fpVidMem);
VBoxDispVHWAFromRECTL(&pBody->u.in.rect, &pDesc->NonupdatedMemRegion.Rect);
pBody->u.in.rectValid = 1;
pBody->u.in.hSurf = pDesc->hHostHandle;
/* wait for the surface to be locked and memory buffer updated */
VBoxDispVHWACommandSubmit(pDev, pCmd);
VBOX_WARNRC(pCmd->rc);
VBoxDispVHWACommandRelease(pDev, pCmd);
VBoxDispVHWARegionClear(&pDesc->NonupdatedMemRegion);
}
else
{
WARN(("VBoxDispVHWACommandCreate failed!"));
lpLock->ddRVal = DDERR_GENERIC;
}
}
return DDHAL_DRIVER_NOTHANDLED;
}
#endif /*VBOX_WITH_VIDEOHWACCEL*/
#endif
/* We only care about primary surface as we'd have to report dirty rectangles to the host in the DDUnlock*/
if (pSurf->ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
{
pDev->ddpsLock.bLocked = TRUE;
if (lpLock->bHasRect)
{
pDev->ddpsLock.rect = lpLock->rArea;
}
else
{
pDev->ddpsLock.rect.left = 0;
pDev->ddpsLock.rect.top = 0;
pDev->ddpsLock.rect.right = pDev->mode.ulWidth;
pDev->ddpsLock.rect.bottom = pDev->mode.ulHeight;
}
}
LOGF_LEAVE();
return DDHAL_DRIVER_NOTHANDLED;
}
DWORD APIENTRY VBoxDispDDFlip(PDD_FLIPDATA lpFlip)
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV) lpFlip->lpDD->dhpdev;
LOGF_ENTER();
DD_SURFACE_LOCAL *pCurrSurf = lpFlip->lpSurfCurr;
DD_SURFACE_LOCAL *pTargSurf = lpFlip->lpSurfTarg;
PVBOXVHWASURFDESC pCurrDesc = (PVBOXVHWASURFDESC) pCurrSurf->lpGbl->dwReserved1;
PVBOXVHWASURFDESC pTargDesc = (PVBOXVHWASURFDESC) pTargSurf->lpGbl->dwReserved1;
if (pCurrDesc && pTargDesc)
{
if(ASMAtomicUoReadU32(&pCurrDesc->cPendingFlipsTarg) || ASMAtomicUoReadU32(&pCurrDesc->cPendingFlipsCurr)
|| ASMAtomicUoReadU32(&pTargDesc->cPendingFlipsTarg) || ASMAtomicUoReadU32(&pTargDesc->cPendingFlipsCurr))
{
VBoxDispVHWACommandCheckHostCmds(pDev);
if(ASMAtomicUoReadU32(&pCurrDesc->cPendingFlipsTarg) || ASMAtomicUoReadU32(&pCurrDesc->cPendingFlipsCurr)
|| ASMAtomicUoReadU32(&pTargDesc->cPendingFlipsTarg) || ASMAtomicUoReadU32(&pTargDesc->cPendingFlipsCurr))
{
lpFlip->ddRVal = DDERR_WASSTILLDRAWING;
return DDHAL_DRIVER_HANDLED;
}
}
VBOXVHWACMD *pCmd;
pCmd = VBoxDispVHWACommandCreate(pDev, VBOXVHWACMD_TYPE_SURF_FLIP, sizeof(VBOXVHWACMD_SURF_FLIP));
if (pCmd)
{
VBOXVHWACMD_SURF_FLIP *pBody = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_SURF_FLIP);
memset(pBody, 0, sizeof(VBOXVHWACMD_SURF_FLIP));
pBody->u.in.offCurrSurface = VBoxDispVHWAVramOffsetFromPDEV(pDev, pCurrSurf->lpGbl->fpVidMem);
pBody->u.in.offTargSurface = VBoxDispVHWAVramOffsetFromPDEV(pDev, pTargSurf->lpGbl->fpVidMem);
pBody->u.in.hTargSurf = pTargDesc->hHostHandle;
pBody->u.in.hCurrSurf = pCurrDesc->hHostHandle;
pBody->TargGuestSurfInfo = (uint64_t)pTargDesc;
pBody->CurrGuestSurfInfo = (uint64_t)pCurrDesc;
pTargDesc->bVisible = pCurrDesc->bVisible;
pCurrDesc->bVisible = false;
ASMAtomicIncU32(&pCurrDesc->cPendingFlipsCurr);
ASMAtomicIncU32(&pTargDesc->cPendingFlipsTarg);
#ifdef DEBUG
ASMAtomicIncU32(&pCurrDesc->cFlipsCurr);
ASMAtomicIncU32(&pTargDesc->cFlipsTarg);
#endif
if(pTargDesc->UpdatedMemRegion.bValid)
{
pBody->u.in.xUpdatedTargMemValid = 1;
VBoxDispVHWAFromRECTL(&pBody->u.in.xUpdatedTargMemRect, &pTargDesc->UpdatedMemRegion.Rect);
VBoxDispVHWARegionClear(&pTargDesc->UpdatedMemRegion);
}
VBoxDispVHWACommandSubmitAsynch(pDev, pCmd, VBoxDispVHWASurfFlipCompletion, NULL);
lpFlip->ddRVal = DD_OK;
}
else
{
WARN(("VBoxDispVHWACommandCreate failed!"));
lpFlip->ddRVal = DDERR_GENERIC;
}
}
else
{
WARN(("!(pCurrDesc && pTargDesc)"));
lpFlip->ddRVal = DDERR_GENERIC;
}
LOGF_LEAVE();
return DDHAL_DRIVER_HANDLED;
}