Update Files

Kha/Kinc/Backends/System/Windows/Libraries/DirectShow/BaseClasses/ddmm.cpp

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+//------------------------------------------------------------------------------
+// File: DDMM.cpp
+//
+// Desc: DirectShow base classes - implements routines for using DirectDraw
+//       on a multimonitor system.
+//
+// Copyright (c) 1995-2001 Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------------------------
+
+
+#include <streams.h>
+#include <ddraw.h>
+#include "ddmm.h"
+
+/*
+ * FindDeviceCallback
+ */
+typedef struct {
+	LPSTR   szDevice;
+	GUID*   lpGUID;
+	GUID    GUID;
+	BOOL    fFound;
+}   FindDeviceData;
+
+BOOL CALLBACK FindDeviceCallback(__in_opt GUID* lpGUID, __in LPSTR szName, __in LPSTR szDevice, __in LPVOID lParam)
+{
+	FindDeviceData *p = (FindDeviceData*)lParam;
+
+	if (lstrcmpiA(p->szDevice, szDevice) == 0) {
+	    if (lpGUID) {
+		p->GUID = *lpGUID;
+		p->lpGUID = &p->GUID;
+	    } else {
+		p->lpGUID = NULL;
+	    }
+	    p->fFound = TRUE;
+	    return FALSE;
+	}
+	return TRUE;
+}
+
+
+BOOL CALLBACK FindDeviceCallbackEx(__in_opt GUID* lpGUID, __in LPSTR szName, __in LPSTR szDevice, __in LPVOID lParam, HMONITOR hMonitor)
+{
+	FindDeviceData *p = (FindDeviceData*)lParam;
+
+	if (lstrcmpiA(p->szDevice, szDevice) == 0) {
+	    if (lpGUID) {
+		p->GUID = *lpGUID;
+		p->lpGUID = &p->GUID;
+	    } else {
+		p->lpGUID = NULL;
+	    }
+	    p->fFound = TRUE;
+	    return FALSE;
+	}
+	return TRUE;
+}
+
+
+/*
+ * DirectDrawCreateFromDevice
+ *
+ * create a DirectDraw object for a particular device
+ */
+IDirectDraw * DirectDrawCreateFromDevice(__in_opt LPSTR szDevice, PDRAWCREATE DirectDrawCreateP, PDRAWENUM DirectDrawEnumerateP)
+{
+	IDirectDraw*    pdd = NULL;
+	FindDeviceData  find;
+
+	if (szDevice == NULL) {
+		DirectDrawCreateP(NULL, &pdd, NULL);
+		return pdd;
+	}
+
+	find.szDevice = szDevice;
+	find.fFound   = FALSE;
+	DirectDrawEnumerateP(FindDeviceCallback, (LPVOID)&find);
+
+	if (find.fFound)
+	{
+		//
+		// In 4bpp mode the following DDraw call causes a message box to be popped
+		// up by DDraw (!?!).  It's DDraw's fault, but we don't like it.  So we
+		// make sure it doesn't happen.
+		//
+		UINT ErrorMode = SetErrorMode(SEM_FAILCRITICALERRORS);
+		DirectDrawCreateP(find.lpGUID, &pdd, NULL);
+		SetErrorMode(ErrorMode);
+	}
+
+	return pdd;
+}
+
+
+/*
+ * DirectDrawCreateFromDeviceEx
+ *
+ * create a DirectDraw object for a particular device
+ */
+IDirectDraw * DirectDrawCreateFromDeviceEx(__in_opt LPSTR szDevice, PDRAWCREATE DirectDrawCreateP, LPDIRECTDRAWENUMERATEEXA DirectDrawEnumerateExP)
+{
+	IDirectDraw*    pdd = NULL;
+	FindDeviceData  find;
+
+	if (szDevice == NULL) {
+		DirectDrawCreateP(NULL, &pdd, NULL);
+		return pdd;
+	}
+
+	find.szDevice = szDevice;
+	find.fFound   = FALSE;
+	DirectDrawEnumerateExP(FindDeviceCallbackEx, (LPVOID)&find,
+					DDENUM_ATTACHEDSECONDARYDEVICES);
+
+	if (find.fFound)
+	{
+		//
+		// In 4bpp mode the following DDraw call causes a message box to be popped
+		// up by DDraw (!?!).  It's DDraw's fault, but we don't like it.  So we
+		// make sure it doesn't happen.
+		//
+		UINT ErrorMode = SetErrorMode(SEM_FAILCRITICALERRORS);
+		DirectDrawCreateP(find.lpGUID, &pdd, NULL);
+		SetErrorMode(ErrorMode);
+	}
+
+	return pdd;
+}