message: Code cleanup, fixed validation error
  Refs
diff: @@ -159,8 +159,6 @@ public:
  uint32_t mipLevels;
  } texture;
  - bool regenerateNoise = true;
  -
  struct {
  vks::Model cube;
  } models;
  @@ -307,6 +305,8 @@ public:
  texture.descriptor.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
  texture.descriptor.imageView = texture.view;
  texture.descriptor.sampler = texture.sampler;
  +
  + updateNoiseTexture();
  }
  // Generate randomized noise and upload it to the 3D texture using staging
  @@ -384,9 +384,7 @@ public:
  VkCommandBuffer copyCmd = VulkanExampleBase::createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true);
  - // Image barrier for optimal image
  -
  - // The sub resource range describes the regions of the image we will be transition
  + // The sub resource range describes the regions of the image we will be transitioned
  VkImageSubresourceRange subresourceRange = {};
  subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
  subresourceRange.baseMipLevel = 0;
  @@ -437,7 +435,6 @@ public:
  delete[] data;
  vkFreeMemory(device, stagingMemory, nullptr);
  vkDestroyBuffer(device, stagingBuffer, nullptr);
  - regenerateNoise = false;
  }
  // Free all Vulkan resources used a texture object
  @@ -789,7 +786,7 @@ public:
  generateQuad();
  setupVertexDescriptions();
  prepareUniformBuffers();
  - prepareNoiseTexture(256, 256, 256);
  + prepareNoiseTexture(128, 128, 128);
  setupDescriptorSetLayout();
  preparePipelines();
  setupDescriptorPool();
  @@ -803,28 +800,15 @@ public:
  if (!prepared)
  return;
  draw();
  - if (regenerateNoise)
  - {
  - updateNoiseTexture();
  - }
  - if (!paused)
  - updateUniformBuffers(false);
  - }
  -
  - virtual void viewChanged()
  - {
  - updateUniformBuffers();
  + if (!paused || camera.updated)
  + updateUniformBuffers(camera.updated);
  }
  virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay)
  {
  if (overlay->header("Settings")) {
  - if (regenerateNoise) {
  - overlay->text("Generating new noise texture...");
  - } else {
  if (overlay->button("Generate new texture")) {
  - regenerateNoise = true;
  - }
  + updateNoiseTexture();
  }
  }
  }
  