void VBoxSeamlessCheckWindows()
{
VBOX_ENUM_PARAM param;
param.hdc = GetDC(HWND_DESKTOP);
param.hrgn = 0;
EnumWindows(VBoxEnumFunc, (LPARAM)¶m);
if (param.hrgn)
{
DWORD cbSize;
cbSize = GetRegionData(param.hrgn, 0, NULL);
if (cbSize)
{
PVBOXDISPIFESCAPE lpEscapeData = (PVBOXDISPIFESCAPE)malloc(VBOXDISPIFESCAPE_SIZE(cbSize));
if (lpEscapeData)
{
lpEscapeData->escapeCode = VBOXESC_SETVISIBLEREGION;
LPRGNDATA lpRgnData = VBOXDISPIFESCAPE_DATA(lpEscapeData, RGNDATA);
memset(lpRgnData, 0, cbSize);
cbSize = GetRegionData(param.hrgn, cbSize, lpRgnData);
if (cbSize)
{
#ifdef DEBUG
RECT *lpRect = (RECT *)&lpRgnData->Buffer[0];
Log(("VBoxTray: New visible region: \n"));
for (DWORD i=0;i<lpRgnData->rdh.nCount;i++)
{
Log(("VBoxTray: visible rect (%d,%d)(%d,%d)\n", lpRect[i].left, lpRect[i].top, lpRect[i].right, lpRect[i].bottom));
}
#endif
LPRGNDATA lpCtxRgnData = VBOXDISPIFESCAPE_DATA(gCtx.lpEscapeData, RGNDATA);
if ( !gCtx.lpEscapeData
|| (lpCtxRgnData->rdh.dwSize + lpCtxRgnData->rdh.nRgnSize != cbSize)
|| memcmp(lpCtxRgnData, lpRgnData, cbSize))
{
/* send to display driver */
VBoxDispIfEscape(&gCtx.pEnv->dispIf, lpEscapeData, cbSize);
if (gCtx.lpEscapeData)
free(gCtx.lpEscapeData);
gCtx.lpEscapeData = lpEscapeData;
}
else
Log(("VBoxTray: Visible rectangles haven't changed; ignore\n"));
}
if (lpEscapeData != gCtx.lpEscapeData)
free(lpEscapeData);
}
}
DeleteObject(param.hrgn);
}
ReleaseDC(HWND_DESKTOP, param.hdc);
}
DECLCALLBACK(BOOLEAN) vboxDispIfEscapeWDDMOp(PCVBOXDISPIF pIf, D3DKMT_HANDLE hAdapter, DISPLAY_DEVICE *pDev, PVOID pContext)
{
PVBOXDISPIFWDDM_ESCAPEOP_CONTEXT pCtx = (PVBOXDISPIFWDDM_ESCAPEOP_CONTEXT)pContext;
D3DKMT_ESCAPE EscapeData = {0};
EscapeData.hAdapter = hAdapter;
//EscapeData.hDevice = NULL;
EscapeData.Type = D3DKMT_ESCAPE_DRIVERPRIVATE;
EscapeData.Flags.HardwareAccess = 1;
EscapeData.pPrivateDriverData = pCtx->pEscape;
EscapeData.PrivateDriverDataSize = VBOXDISPIFESCAPE_SIZE(pCtx->cbData);
//EscapeData.hContext = NULL;
pCtx->Status = pIf->modeData.wddm.pfnD3DKMTEscape(&EscapeData);
return TRUE;
}
void VBoxSeamlessCheckWindows(bool fForce)
{
PVBOXSEAMLESSCONTEXT pCtx = &g_Ctx; /** @todo r=andy Use instance data via service lookup (add void *pInstance). */
AssertPtr(pCtx);
if (!VBoxDispIfSeamlesIsValid(&gVBoxDispIfSeamless))
return;
VBOX_ENUM_PARAM param;
param.hdc = GetDC(HWND_DESKTOP);
param.hrgn = 0;
EnumWindows(VBoxEnumFunc, (LPARAM)¶m);
if (param.hrgn)
{
DWORD cbSize;
cbSize = GetRegionData(param.hrgn, 0, NULL);
if (cbSize)
{
PVBOXDISPIFESCAPE lpEscapeData = (PVBOXDISPIFESCAPE)malloc(VBOXDISPIFESCAPE_SIZE(cbSize));
if (lpEscapeData)
{
lpEscapeData->escapeCode = VBOXESC_SETVISIBLEREGION;
LPRGNDATA lpRgnData = VBOXDISPIFESCAPE_DATA(lpEscapeData, RGNDATA);
memset(lpRgnData, 0, cbSize);
cbSize = GetRegionData(param.hrgn, cbSize, lpRgnData);
if (cbSize)
{
#ifdef DEBUG
RECT *lpRect = (RECT *)&lpRgnData->Buffer[0];
Log(("VBoxTray: New visible region: \n"));
for (DWORD i=0;i<lpRgnData->rdh.nCount;i++)
{
Log(("VBoxTray: visible rect (%d,%d)(%d,%d)\n", lpRect[i].left, lpRect[i].top, lpRect[i].right, lpRect[i].bottom));
}
#endif
LPRGNDATA lpCtxRgnData = VBOXDISPIFESCAPE_DATA(pCtx->lpEscapeData, RGNDATA);
if (fForce
|| !pCtx->lpEscapeData
|| (lpCtxRgnData->rdh.dwSize + lpCtxRgnData->rdh.nRgnSize != cbSize)
|| memcmp(lpCtxRgnData, lpRgnData, cbSize))
{
/* send to display driver */
VBoxDispIfSeamlessSubmit(&gVBoxDispIfSeamless, lpEscapeData, cbSize);
if (pCtx->lpEscapeData)
free(pCtx->lpEscapeData);
pCtx->lpEscapeData = lpEscapeData;
}
else
Log(("VBoxTray: Visible rectangles haven't changed; ignore\n"));
}
if (lpEscapeData != pCtx->lpEscapeData)
free(lpEscapeData);
}
}
DeleteObject(param.hrgn);
}
ReleaseDC(HWND_DESKTOP, param.hdc);
}