int vboxVbvaReportDirtyRect (PVBOXMP_DEVEXT pDevExt, PVBOXWDDM_SOURCE pSrc, RECT *pRectOrig)
{
VBVACMDHDR hdr;
RECT rect = *pRectOrig;
// if (rect.left < 0) rect.left = 0;
// if (rect.top < 0) rect.top = 0;
// if (rect.right > (int)ppdev->cxScreen) rect.right = ppdev->cxScreen;
// if (rect.bottom > (int)ppdev->cyScreen) rect.bottom = ppdev->cyScreen;
hdr.x = (int16_t)rect.left;
hdr.y = (int16_t)rect.top;
hdr.w = (uint16_t)(rect.right - rect.left);
hdr.h = (uint16_t)(rect.bottom - rect.top);
hdr.x += (int16_t)pSrc->VScreenPos.x;
hdr.y += (int16_t)pSrc->VScreenPos.y;
if (VBoxVBVAWrite(&pSrc->Vbva.Vbva, &VBoxCommonFromDeviceExt(pDevExt)->guestCtx, &hdr, sizeof(hdr)))
return VINF_SUCCESS;
WARN(("VBoxVBVAWrite failed"));
return VERR_GENERAL_FAILURE;
}
/*
* RDP orders reporting.
*/
static BOOL vrdpReportOrder(PVBOXDISPDEV pDev, const void *pOrder, unsigned cbOrder, unsigned code)
{
BOOL bRc = vrdpWriteHdr(pDev, VRDP_MAKE_OP(code));
if (bRc)
{
VBoxVBVAWrite(&pDev->vbvaCtx, &pDev->hgsmi.ctx, pOrder, cbOrder);
}
return bRc;
}
/**
* Callback function called by the X server to tell us about dirty
* rectangles in the video buffer.
*
* @param pScreen pointer to the information structure for the current
* screen
* @param iRects Number of dirty rectangles to update
* @param aRects Array of structures containing the coordinates of the
* rectangles
*/
static void
vboxHandleDirtyRect(ScrnInfoPtr pScrn, int iRects, BoxPtr aRects)
{
VBVACMDHDR cmdHdr;
VBOXPtr pVBox;
int i;
unsigned j;
pVBox = pScrn->driverPrivate;
if (pVBox->fHaveHGSMI == FALSE || !pScrn->vtSema)
return;
for (j = 0; j < pVBox->cScreens; ++j)
{
/* Just continue quietly if VBVA is not currently active. */
struct VBVABUFFER *pVBVA = pVBox->aVbvaCtx[j].pVBVA;
if ( !pVBVA
|| !(pVBVA->hostFlags.u32HostEvents & VBVA_F_MODE_ENABLED))
continue;
for (i = 0; i < iRects; ++i)
{
if ( aRects[i].x1 > pVBox->aScreenLocation[j].x
+ pVBox->aScreenLocation[j].cx
|| aRects[i].y1 > pVBox->aScreenLocation[j].y
+ pVBox->aScreenLocation[j].cy
|| aRects[i].x2 < pVBox->aScreenLocation[j].x
|| aRects[i].y2 < pVBox->aScreenLocation[j].y)
continue;
cmdHdr.x = (int16_t)aRects[i].x1;
cmdHdr.y = (int16_t)aRects[i].y1;
cmdHdr.w = (uint16_t)(aRects[i].x2 - aRects[i].x1);
cmdHdr.h = (uint16_t)(aRects[i].y2 - aRects[i].y1);
#if 0
TRACE_LOG("display=%u, x=%d, y=%d, w=%d, h=%d\n",
j, cmdHdr.x, cmdHdr.y, cmdHdr.w, cmdHdr.h);
#endif
if (VBoxVBVABufferBeginUpdate(&pVBox->aVbvaCtx[j],
&pVBox->guestCtx))
{
VBoxVBVAWrite(&pVBox->aVbvaCtx[j], &pVBox->guestCtx, &cmdHdr,
sizeof(cmdHdr));
VBoxVBVABufferEndUpdate(&pVBox->aVbvaCtx[j]);
}
}
}
}
__inline BOOL vrdpWriteHdr (PVBOXDISPDEV pDev, uint32_t u32Op)
{
return VBoxVBVAWrite(&pDev->vbvaCtx, &pDev->hgsmi.ctx, &u32Op, sizeof (u32Op));
}