add another btgui test

btgui/OpenGLWindow/GLPrimInternalData.h

@@ -0,0 +1,19 @@
+#ifndef PRIM_INTERNAL_DATA
+#define PRIM_INTERNAL_DATA
+
+#include "OpenGLInclude.h"
+
+struct PrimInternalData
+{
+	GLuint m_shaderProg;
+    GLint m_positionUniform;
+    GLint m_colourAttribute;
+    GLint m_positionAttribute;
+    GLint m_textureAttribute;
+    GLuint m_vertexBuffer;
+    GLuint m_vertexArrayObject;
+    GLuint  m_indexBuffer;
+    GLuint m_texturehandle;
+};
+
+#endif //PRIM_INTERNAL_DATA