message: raytracing - removed changes from other pull request.
diff: @@ -685,12 +685,6 @@ public:
  void draw()
  {
  - VkSubmitInfo computeSubmitInfo = vks::initializers::submitInfo();
  - computeSubmitInfo.commandBufferCount = 1;
  - computeSubmitInfo.pCommandBuffers = &compute.commandBuffer;
  -
  - VK_CHECK_RESULT( vkQueueSubmit( compute.queue, 1, &computeSubmitInfo, compute.fence ) );
  -
  VulkanExampleBase::prepareFrame();
  // Command buffer to be sumitted to the queue
  @@ -704,6 +698,12 @@ public:
  // Use a fence to ensure that compute command buffer has finished executing before using it again
  vkWaitForFences(device, 1, &compute.fence, VK_TRUE, UINT64_MAX);
  vkResetFences(device, 1, &compute.fence);
  +
  + VkSubmitInfo computeSubmitInfo = vks::initializers::submitInfo();
  + computeSubmitInfo.commandBufferCount = 1;
  + computeSubmitInfo.pCommandBuffers = &compute.commandBuffer;
  +
  + VK_CHECK_RESULT(vkQueueSubmit(compute.queue, 1, &computeSubmitInfo, compute.fence));
  }
  void prepare()
  