DECLCALLBACK(int) vboxUhgsmiKmtBufferLock(PVBOXUHGSMI_BUFFER pBuf, uint32_t offLock, uint32_t cbLock, VBOXUHGSMI_BUFFER_LOCK_FLAGS fFlags, void**pvLock)
{
PVBOXUHGSMI_BUFFER_PRIVATE_KMT pBuffer = VBOXUHGSMIKMT_GET_BUFFER(pBuf);
D3DKMT_LOCK DdiLock = {0};
DdiLock.hDevice = pBuffer->pHgsmi->Device.hDevice;
DdiLock.hAllocation = pBuffer->BasePrivate.hAllocation;
DdiLock.PrivateDriverData = NULL;
EnterCriticalSection(&pBuffer->CritSect);
int rc = vboxUhgsmiBaseLockData(pBuf, offLock, cbLock, fFlags,
&DdiLock.Flags, &DdiLock.NumPages, pBuffer->aLockPageIndices);
AssertRC(rc);
if (RT_FAILURE(rc))
return rc;
if (DdiLock.NumPages)
DdiLock.pPages = pBuffer->aLockPageIndices;
else
DdiLock.pPages = NULL;
NTSTATUS Status = pBuffer->pHgsmi->Callbacks.pfnD3DKMTLock(&DdiLock);
Assert(!Status);
LeaveCriticalSection(&pBuffer->CritSect);
if (!Status)
{
*pvLock = (void*)(((uint8_t*)DdiLock.pData) + (offLock & 0xfff));
return VINF_SUCCESS;
}
return VERR_GENERAL_FAILURE;
}
DECLCALLBACK(int) vboxUhgsmiD3DBufferLock(PVBOXUHGSMI_BUFFER pBuf, uint32_t offLock, uint32_t cbLock, VBOXUHGSMI_BUFFER_LOCK_FLAGS fFlags, void**pvLock)
{
PVBOXUHGSMI_BUFFER_PRIVATE_D3D pBuffer = VBOXUHGSMID3D_GET_BUFFER(pBuf);
D3DDDICB_LOCK DdiLock = {0};
DdiLock.hAllocation = pBuffer->BasePrivate.hAllocation;
DdiLock.PrivateDriverData = 0;
int rc = vboxUhgsmiBaseLockData(pBuf, offLock, cbLock, fFlags,
&DdiLock.Flags, &DdiLock.NumPages, pBuffer->aLockPageIndices);
AssertRC(rc);
if (RT_FAILURE(rc))
return rc;
if (DdiLock.NumPages)
DdiLock.pPages = pBuffer->aLockPageIndices;
else
DdiLock.pPages = NULL;
HRESULT hr = pBuffer->pDevice->RtCallbacks.pfnLockCb(pBuffer->pDevice->hDevice, &DdiLock);
Assert(hr == S_OK);
if (hr == S_OK)
{
*pvLock = (void*)(((uint8_t*)DdiLock.pData) + (offLock & 0xfff));
return VINF_SUCCESS;
}
return VERR_GENERAL_FAILURE;
}
