customShader[ Toolkit::Visual::Shader::Property::VERTEX_SHADER ] = vertexSource;
customShader[ Toolkit::Visual::Shader::Property::FRAGMENT_SHADER ] = fragmentSource;
customShader[ Toolkit::Visual::Shader::Property::VERTEX_SHADER ] = vertexSource;
customShader[ Toolkit::Visual::Shader::Property::FRAGMENT_SHADER ] = fragmentSource;