/**
* Initialise VirtualBox's accelerated video extensions.
*
* @returns TRUE on success, FALSE on failure
*/
static Bool
vboxSetupVRAMVbva(ScrnInfoPtr pScrn, VBOXPtr pVBox)
{
int rc = VINF_SUCCESS;
unsigned i;
uint32_t offVRAMBaseMapping, offGuestHeapMemory, cbGuestHeapMemory;
void *pvGuestHeapMemory;
if (!pVBox->fHaveHGSMI)
return FALSE;
VBoxHGSMIGetBaseMappingInfo(pScrn->videoRam * 1024, &offVRAMBaseMapping,
NULL, &offGuestHeapMemory, &cbGuestHeapMemory,
NULL);
pvGuestHeapMemory = ((uint8_t *)pVBox->base) + offVRAMBaseMapping
+ offGuestHeapMemory;
TRACE_LOG("video RAM: %u KB, guest heap offset: 0x%x, cbGuestHeapMemory: %u\n",
pScrn->videoRam, offVRAMBaseMapping + offGuestHeapMemory,
cbGuestHeapMemory);
rc = VBoxHGSMISetupGuestContext(&pVBox->guestCtx, pvGuestHeapMemory,
cbGuestHeapMemory,
offVRAMBaseMapping + offGuestHeapMemory,
&g_hgsmiEnv);
if (RT_FAILURE(rc))
{
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Failed to set up the guest-to-host communication context, rc=%d\n", rc);
return FALSE;
}
pVBox->cbView = pVBox->cbFBMax = offVRAMBaseMapping;
pVBox->cScreens = VBoxHGSMIGetMonitorCount(&pVBox->guestCtx);
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Requested monitor count: %u\n",
pVBox->cScreens);
for (i = 0; i < pVBox->cScreens; ++i)
{
pVBox->cbFBMax -= VBVA_MIN_BUFFER_SIZE;
pVBox->aoffVBVABuffer[i] = pVBox->cbFBMax;
TRACE_LOG("VBVA buffer offset for screen %u: 0x%lx\n", i,
(unsigned long) pVBox->cbFBMax);
VBoxVBVASetupBufferContext(&pVBox->aVbvaCtx[i],
pVBox->aoffVBVABuffer[i],
VBVA_MIN_BUFFER_SIZE);
}
TRACE_LOG("Maximum framebuffer size: %lu (0x%lx)\n",
(unsigned long) pVBox->cbFBMax,
(unsigned long) pVBox->cbFBMax);
rc = VBoxHGSMISendViewInfo(&pVBox->guestCtx, pVBox->cScreens,
vboxFillViewInfo, (void *)pVBox);
if (RT_FAILURE(rc))
{
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Failed to send the view information to the host, rc=%d\n", rc);
return FALSE;
}
return TRUE;
}
/**
* Initialise VirtualBox's accelerated video extensions.
*
* @returns TRUE on success, FALSE on failure
*/
static Bool vboxSetupVRAMVbva(VBOXPtr pVBox)
{
int rc = VINF_SUCCESS;
unsigned i;
pVBox->cbFBMax = pVBox->cbView;
for (i = 0; i < pVBox->cScreens; ++i)
{
pVBox->cbFBMax -= VBVA_MIN_BUFFER_SIZE;
pVBox->pScreens[i].aoffVBVABuffer = pVBox->cbFBMax;
TRACE_LOG("VBVA buffer offset for screen %u: 0x%lx\n", i,
(unsigned long) pVBox->cbFBMax);
VBoxVBVASetupBufferContext(&pVBox->pScreens[i].aVbvaCtx,
pVBox->pScreens[i].aoffVBVABuffer,
VBVA_MIN_BUFFER_SIZE);
}
TRACE_LOG("Maximum framebuffer size: %lu (0x%lx)\n",
(unsigned long) pVBox->cbFBMax,
(unsigned long) pVBox->cbFBMax);
rc = VBoxHGSMISendViewInfo(&pVBox->guestCtx, pVBox->cScreens,
vboxFillViewInfo, (void *)pVBox);
VBVXASSERT(RT_SUCCESS(rc), ("Failed to send the view information to the host, rc=%d\n", rc));
return TRUE;
}
int vboxVbvaCreate(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva, ULONG offBuffer, ULONG cbBuffer, D3DDDI_VIDEO_PRESENT_SOURCE_ID srcId)
{
memset(pVbva, 0, sizeof(VBOXVBVAINFO));
KeInitializeSpinLock(&pVbva->Lock);
int rc = VBoxMPCmnMapAdapterMemory(VBoxCommonFromDeviceExt(pDevExt),
(void**)&pVbva->Vbva.pVBVA,
offBuffer,
cbBuffer);
if (RT_SUCCESS(rc))
{
Assert(pVbva->Vbva.pVBVA);
VBoxVBVASetupBufferContext(&pVbva->Vbva, offBuffer, cbBuffer);
pVbva->srcId = srcId;
}
else
{
WARN(("VBoxMPCmnMapAdapterMemory failed rc %d", rc));
}
return rc;
}
