private void PassLightData(IShaderDataOwner light, int lightIndex)
{
ShaderUniformManager man = ShaderUniformManager.GetSingleton();
man.SetArrayData(activeProgram, ShaderUniformName.LightsArray, ShaderUniformName.LightPositionOrDirection, light, lightIndex);
man.SetArrayData(activeProgram, ShaderUniformName.LightsArray, ShaderUniformName.LightColor, light, lightIndex);
man.SetArrayData(activeProgram, ShaderUniformName.LightsArray, ShaderUniformName.LinearAttenuation, light, lightIndex);
man.SetArrayData(activeProgram, ShaderUniformName.LightsArray, ShaderUniformName.QuadraticAttenuation, light, lightIndex);
}