Added GPU SoftBody constraint solvers for DirectX 11 (Direct Compute) and OpenCL, thanks to AMD.

See also http://code.google.com/p/bullet/issues/detail?id=390
Added Demos/DX11ClothDemo
(an OpenCL cloth demo will follow soon)

Demos/DX11ClothDemo/DXUT/Optional/SDKwavefile.h

@@ -0,0 +1,59 @@
+//-----------------------------------------------------------------------------
+// File: WaveFile.h
+//
+// Copyright (c) Microsoft Corp. All rights reserved.
+//-----------------------------------------------------------------------------
+#ifndef DXUTWAVEFILE_H
+#define DXUTWAVEFILE_H
+
+//-----------------------------------------------------------------------------
+// Typing macros 
+//-----------------------------------------------------------------------------
+#define WAVEFILE_READ   1
+#define WAVEFILE_WRITE  2
+
+//-----------------------------------------------------------------------------
+// Name: class CWaveFile
+// Desc: Encapsulates reading or writing sound data to or from a wave file
+//-----------------------------------------------------------------------------
+class CWaveFile
+{
+public:
+    WAVEFORMATEX* m_pwfx;        // Pointer to WAVEFORMATEX structure
+    HMMIO m_hmmio;       // MM I/O handle for the WAVE
+    MMCKINFO m_ck;          // Multimedia RIFF chunk
+    MMCKINFO m_ckRiff;      // Use in opening a WAVE file
+    DWORD m_dwSize;      // The size of the wave file
+    MMIOINFO m_mmioinfoOut;
+    DWORD m_dwFlags;
+    BOOL m_bIsReadingFromMemory;
+    BYTE* m_pbData;
+    BYTE* m_pbDataCur;
+    ULONG m_ulDataSize;
+    CHAR* m_pResourceBuffer;
+
+protected:
+    HRESULT ReadMMIO();
+    HRESULT WriteMMIO( WAVEFORMATEX* pwfxDest );
+
+public:
+            CWaveFile();
+            ~CWaveFile();
+
+    HRESULT Open( LPWSTR strFileName, WAVEFORMATEX* pwfx, DWORD dwFlags );
+    HRESULT OpenFromMemory( BYTE* pbData, ULONG ulDataSize, WAVEFORMATEX* pwfx, DWORD dwFlags );
+    HRESULT Close();
+
+    HRESULT Read( BYTE* pBuffer, DWORD dwSizeToRead, DWORD* pdwSizeRead );
+    HRESULT Write( UINT nSizeToWrite, BYTE* pbData, UINT* pnSizeWrote );
+
+    DWORD   GetSize();
+    HRESULT ResetFile();
+    WAVEFORMATEX* GetFormat()
+    {
+        return m_pwfx;
+    };
+};
+
+
+#endif // DXUTWAVEFILE_H