message: updated DistributedRaycast to use vklSampler objects
diff: @@ -80,7 +80,7 @@ vec4f DRR_integrateVolumeInterval(const ScreenSample &sample,
  // Get volume sample
  vec3f p = transformedRay.org + transformedRay.t0 * transformedRay.dir;
  const float sample = vklComputeSampleV(
  - volume->vklVolume, (const varying vkl_vec3f *uniform) & p);
  + volume->vklSampler, (const varying vkl_vec3f *uniform) & p);
  if (!isnan(sample)) {
  vec4f sampleColorOpacity = tf->get(tf, sample);
  