Method getUniformLocation

testbed/opengl-framework/src/Shader.h:160–171

Return the location of a uniform variable inside a shader program

// Return the location of a uniform variable inside a shader program
inline GLint Shader::getUniformLocation(const std::string& variableName, bool errorIfMissing) const {
    assert(mProgramObjectID != 0);
    GLint location = glGetUniformLocation(mProgramObjectID, variableName.c_str());
    if (location == -1 && errorIfMissing) {
        std::cerr << "Error in vertex shader " << mFilenameVertexShader << " or in fragment shader"
                  << mFilenameFragmentShader << " : No Uniform variable : " << variableName
                  << std::endl;
        //throw std::logic_error("Error in Shader");
    }

    return location;
}

// Return the location of an attribute variable inside a shader program
inline GLint Shader::getAttribLocation(const std::string& variableName, bool errorIfMissing) const {