add broadphase demo (empty skeleton)

demo/gpudemo/GpuDemoInternalData.h

@@ -0,0 +1,22 @@
+#ifndef GPU_DEMO_INTERNAL_DATA_H
+#define GPU_DEMO_INTERNAL_DATA_H
+
+#include "basic_initialize/btOpenCLInclude.h"
+
+struct GpuDemoInternalData
+{
+	cl_context m_clContext;
+	cl_device_id m_clDevice;
+	cl_command_queue m_clQueue;
+	bool m_clInitialized;
+	char*	m_clDeviceName;
+
+	GpuDemoInternalData()
+	:m_clInitialized(false),
+	m_clDeviceName(0)
+	{
+		
+	}
+};
+
+#endif