Check error in OpenGL

gl_error_check.cpp

const char * GetGLErrorStr(GLenum err)
{
    switch (err)
    {
    case GL_NO_ERROR:          return "No error";
    case GL_INVALID_ENUM:      return "Invalid enum";
    case GL_INVALID_VALUE:     return "Invalid value";
    case GL_INVALID_OPERATION: return "Invalid operation";
    case GL_STACK_OVERFLOW:    return "Stack overflow";
    case GL_STACK_UNDERFLOW:   return "Stack underflow";
    case GL_OUT_OF_MEMORY:     return "Out of memory";
    default:                   return "Unknown error";
    }
}

void CheckGLError()
{
    while (true)
    {
        const GLenum err = glGetError();
        if (GL_NO_ERROR == err)
            break;

        std::cout << "GL Error: " << GetGLErrorStr(err) << std::endl;
    }
}