title: Qt4/Opengl bindTexture in separated thread
body: <p>I am trying to implemente a CoverFlow like effect using a QGLWidget, the problem is the texture loading process. </p>
  
  <p>I have a worker (QThread) for loading images from disk, and the main thread checks for new loaded images, if it finds any then uses bindTexture for loading them into QGLContext. While the texture is being bound, the main thread is blocked, so I have a fps drop.</p>
  
  <p>What is the right way to do this?</p>