title: Opengl convert between older and newer version
body: <p>Hy, i change LWGLJ 2.03 to 2.83 and there is problem why i get this error:</p>
  
  <pre><code>GLApp.run(): java.lang.IllegalArgumentException: FloatBuffer is not direct
  java.lang.IllegalArgumentException: FloatBuffer is not direct
      at org.lwjgl.BufferChecks.checkDirect(BufferChecks.java:139)
      at org.lwjgl.BufferChecks.checkBuffer(BufferChecks.java:259)
      at org.lwjgl.opengl.GL11.glMultMatrix(GL11.java:2308)
      at glmodel.CarModel.drawWheel(CarModel.java:131)
      at physics.Physics.render(Physics.java:649)
      at awesomejeep.AwesomeJeep.drawObjects(AwesomeJeep.java:352)
      at awesomejeep.AwesomeJeep.render(AwesomeJeep.java:271)
      at glapp.GLApp.draw(GLApp.java:554)
      at glapp.GLApp.run(GLApp.java:166)
      at awesomejeep.AwesomeJeep.main(AwesomeJeep.java:84)
  
  I get error in this line:
  GL11.glMultMatrix(FloatBuffer.wrap(glMat));    
  </code></pre>
  
  <p>I realy dont know whats wrong</p>