 
 void vvRayRend::updateTransferFunction()
 {
+  vvDebugMsg::msg(3, "vvRayRend::updateTransferFunction()");
+
   bool ok;
 
   int lutEntries = getLUTSize();


void vvRayRend::compositeVolume(int, int)
{
  vvDebugMsg::msg(1, "vvRayRend::compositeVolume()");

  bool ok;



bool vvRayRend::allocIbrDepth(const int w, const int h)
{
  vvDebugMsg::msg(3, "vvRayRend::allocIbrDepth()");

  bool ok = true;
  vvCuda::checkError(&ok, cudaMalloc(&d_depth, w * h * _depthPrecision/8),
                     "vvRayRend::compositeVolume() - malloc d_depth");
