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#ifndef RTS_GLUTILITIES_H #define RTS_GLUTILITIES_H #define CHECK_OPENGL_ERROR \ { GLenum error; \ while ( (error = glGetError()) != GL_NO_ERROR) { \ printf( "OpenGL ERROR: %s\nCHECK POINT: %s (line %d)\n", gluErrorString(error), __FILE__, __LINE__ ); \ } \ } #endif