message: add PixelOp support to distributed device
diff: @@ -328,12 +328,14 @@ namespace ospray {
  OSPPixelOp MPIDistributedDevice::newPixelOp(const char *type)
  {
  - NOT_IMPLEMENTED;
  + return createOSPRayObjectWithHandle<PixelOp, OSPPixelOp>(type);
  }
  void MPIDistributedDevice::setPixelOp(OSPFrameBuffer _fb, OSPPixelOp _op)
  {
  - NOT_IMPLEMENTED;
  + auto &fb = objectFromAPIHandle<FrameBuffer>(_fb);
  + auto &op = objectFromAPIHandle<PixelOp>(_op);
  + fb.pixelOp = op.createInstance(&fb, fb.pixelOp.ptr);
  }
  OSPRenderer MPIDistributedDevice::newRenderer(const char *type)
  