Method setEnabled

RenderSystems/GL/src/OgreGLStateCacheManager.cpp:372–398

    }
    
    void GLStateCacheManager::setEnabled(GLenum flag, bool enabled)
    {
#ifdef OGRE_ENABLE_STATE_CACHE
        auto iter = std::find(mEnableVector.begin(), mEnableVector.end(), flag);
        bool was_enabled = iter != mEnableVector.end();

        if(was_enabled == enabled)
            return; // no change

        if(!enabled)
        {
            mEnableVector.erase(iter);
        }
        else
        {
            mEnableVector.push_back(flag);
        }
#endif
        if(!enabled)
        {
            glDisable(flag);
        }
        else
        {
            glEnable(flag);
        }
    }

    void GLStateCacheManager::setViewport(const Rect& r)
    {