--- /dev/null
+#ifndef MSP_GL_ERROR_H_
+#define MSP_GL_ERROR_H_
+
+#include <msp/core/error.h>
+
+namespace Msp {
+namespace GL {
+
+class InvalidOperation: public Exception
+{
+public:
+ InvalidOperation(const std::string &w_): Exception(w_) { }
+ ~InvalidOperation() throw() { }
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif