Ogre GLSL uniform struct problem

Ogre GLSL uniform struct problem

// definition in GLSL fragment shader:
#version 120

struct Light 
{
	vec4 positionObjSpace;
	vec4 specular;
	vec4 diffuse;
};

uniform Light mygloballight; 


// Passing param in .program file:

fragment_program SplattingFpBase glsl
{
	source resources/ogre/scripts/programs/SplatFp.glsl
	default_params
	{
		param_named_auto mygloballight.positionObjSpace	        light_position_object_space 0
		param_named_auto mygloballight.diffuse			light_diffuse_colour 0
		param_named_auto mygloballight.specular			light_specular_colour 0 
        }
} 

// Ogre log output

[15:20:20] INFO (Ogre) Parsing script resources/ogre/scripts/programs/Splat.program
[15:20:20] INFO (Ogre) Problem parsing the following GLSL Uniform: ' Light mygloballight' in file SplattingFp/1
[15:20:20] FAILURE (Ogre) OGRE EXCEPTION(2:InvalidParametersException): Parameter called mygloballight.positionObjSpace does not exist.  in GpuProgramParameters::_findNamedConstantDefinition at /home/sko/workspace/worldforge/work/build/deps/ogre/OgreMain/src/OgreGpuProgramParams.cpp (line 1637)
[15:20:20] INFO (Ogre) Compiler error: invalid parameters in resources/ogre/scripts/programs/Splat.program(11): setting of constant failed