--- /dev/null
+#ifndef MSP_GL_TYPES_H_
+#define MSP_GL_TYPES_H_
+
+namespace Msp {
+namespace GL {
+
+typedef signed char byte;
+typedef unsigned char ubyte;
+typedef unsigned sizei;
+typedef unsigned uint;
+
+} // namespace GL
+} // namespace Msp
+
+#endif