added OpenCL cloth demo, contributed by AMD.

updated GpuSoftBodySolvers
updated DirectCompute cloth demo

Demos/OpenCLClothDemo/gl_win.hpp

@@ -0,0 +1,34 @@
+#ifndef __GL_WIN_HDR__
+#define __GL_WIN_HDR__
+
+#ifdef _WIN32//for glut.h
+#include <windows.h>
+#endif
+
+//think different
+#if defined(__APPLE__) && !defined (VMDMESA)
+#include <OpenGL/OpenGL.h>
+#include <OpenGL/gl.h>
+#include <OpenGL/glu.h>
+#include <GLUT/glut.h>
+#else
+
+
+#ifdef _WINDOWS
+#include <windows.h>
+#include <GL/gl.h>
+#include <GL/glu.h>
+#else
+#include <GL/glut.h>
+#endif //_WINDOWS
+#endif //APPLE
+
+
+#include <string>
+
+void goGL(void);
+void preInitGL(int argc, char ** argv);
+
+int getVBO( std::string, int size );
+
+#endif //__GL_WIN_HDR__