assert( toGLType!ubyte == GLType.UBYTE ); assert( toGLType!byte == GLType.BYTE ); assert( toGLType!ushort == GLType.USHORT ); assert( toGLType!short == GLType.SHORT ); assert( toGLType!uint == GLType.UINT ); assert( toGLType!int == GLType.INT ); assert( toGLType!float == GLType.FLOAT ); assert( toGLType!double == GLType.DOUBLE );