Index: /trunk/src/VBox/Additions/WINNT/Graphics/Video/common/wddm/VBoxMPIf.h
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Graphics/Video/common/wddm/VBoxMPIf.h	(revision 43642)
+++ /trunk/src/VBox/Additions/WINNT/Graphics/Video/common/wddm/VBoxMPIf.h	(revision 43643)
@@ -532,4 +532,5 @@
             return 32;
         case D3DDDIFMT_A16B16G16R16:
+        case D3DDDIFMT_A16B16G16R16F:
             return 64;
         case D3DDDIFMT_A8P8:
@@ -579,4 +580,6 @@
         case D3DDDIFMT_R32F:
             return 32;
+        case D3DDDIFMT_R16F:
+            return 16;
         default:
             AssertBreakpoint();
Index: /trunk/src/VBox/Additions/WINNT/Graphics/Video/disp/wddm/VBoxDispD3D.cpp
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Graphics/Video/disp/wddm/VBoxDispD3D.cpp	(revision 43642)
+++ /trunk/src/VBox/Additions/WINNT/Graphics/Video/disp/wddm/VBoxDispD3D.cpp	(revision 43643)
@@ -37,4 +37,7 @@
 
 volatile uint32_t g_u32VBoxDispProfileFunctionLoggerIndex = 0;
+
+/* the number of frames to collect data before doing dump/reset */
+#define VBOXDISPPROFILE_DDI_DUMP_FRAME_COUNT 0xffffffff
 
 struct VBOXDISPPROFILE_GLOBAL {
@@ -83,5 +86,5 @@
 
 #  define VBOXDISPPROFILE_DDI_FUNCTION_LOGGER_REPORT_FRAME(_pObj) do { \
-        if (!((_pObj)->ProfileDdiFunc.reportIteration() % 31) /*&& !VBOXVDBG_IS_DWM()*/) {\
+        if (!((_pObj)->ProfileDdiFunc.reportIteration() % VBOXDISPPROFILE_DDI_DUMP_FRAME_COUNT) /*&& !VBOXVDBG_IS_DWM()*/) {\
             VBOXDISPPROFILE_DDI_FUNCTION_LOGGER_DUMP(_pObj); \
             VBOXDISPPROFILE_DDI_FUNCTION_LOGGER_RESET(_pObj); \
@@ -115,5 +118,5 @@
 #  define VBOXDISPPROFILE_DDI_STATISTIC_LOGGER_REPORT_FRAME(_pObj) do { \
         (_pObj)->ProfileDdiFps.ReportFrame(); \
-        if(!((_pObj)->ProfileDdiFps.GetNumFrames() % 31)) \
+        if(!((_pObj)->ProfileDdiFps.GetNumFrames() % VBOXDISPPROFILE_DDI_DUMP_FRAME_COUNT)) \
         { \
             VBOXDISPPROFILE_DDI_STATISTIC_LOGGER_DUMP(_pObj); \
@@ -4775,11 +4778,21 @@
 {
     VBOXDISP_DDI_PROLOGUE_DEV(hDevice);
+    vboxVDbgPrintF(("==> "__FUNCTION__", hDevice(0x%p)\n", hDevice));
+    PVBOXWDDMDISP_DEVICE pDevice = (PVBOXWDDMDISP_DEVICE)hDevice;
+    Assert(pDevice);
+    VBOXDISPCRHGSMI_SCOPE_SET_DEV(pDevice);
+    IDirect3DDevice9 * pDevice9If = VBOXDISP_D3DEV(pDevice);
+    HRESULT hr = pDevice9If->SetStreamSourceFreq(pData->Stream, pData->Divider);
+    if (SUCCEEDED(hr))
+        hr = S_OK;
+    else
+        WARN(("SetStreamSourceFreq failed hr 0x%x", hr));
+
+#ifdef DEBUG_misha
+    /* test it more */
+    Assert(0);
+#endif
     vboxVDbgPrintF(("<== "__FUNCTION__", hDevice(0x%p)\n", hDevice));
-    PVBOXWDDMDISP_DEVICE pDevice = (PVBOXWDDMDISP_DEVICE)hDevice;
-    Assert(pDevice);
-    VBOXDISPCRHGSMI_SCOPE_SET_DEV(pDevice);
-    Assert(0);
-    vboxVDbgPrintF(("==> "__FUNCTION__", hDevice(0x%p)\n", hDevice));
-    return E_FAIL;
+    return hr;
 }
 static HRESULT APIENTRY vboxWddmDDevSetConvolutionKernelMono(HANDLE hDevice, CONST D3DDDIARG_SETCONVOLUTIONKERNELMONO* pData)