.. _program_listing_file_Src_GraphicsEngineVulkan_vulkan_base_VulkanImageView.cpp:

Program Listing for File VulkanImageView.cpp
============================================

|exhale_lsh| :ref:`Return to documentation for file <file_Src_GraphicsEngineVulkan_vulkan_base_VulkanImageView.cpp>` (``Src/GraphicsEngineVulkan/vulkan_base/VulkanImageView.cpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   module;
   
   #include "common/Utilities.hpp"
   #include <cstdint>
   #include <utility>
   #include <vulkan/vulkan.hpp>
   
   module kataglyphis.vulkan.image_view;
   
   import kataglyphis.vulkan.device;
   
   Kataglyphis::VulkanImageView::VulkanImageView() = default;
   
   Kataglyphis::VulkanImageView::VulkanImageView(VulkanImageView &&other) noexcept
     : device(other.device), imageView(other.imageView)
   {
       other.device = nullptr;
       other.imageView = nullptr;
   }
   
   auto Kataglyphis::VulkanImageView::operator=(VulkanImageView &&other) noexcept -> VulkanImageView &
   {
       if (this != &other) {
           cleanUp();
   
           device = other.device;
           imageView = other.imageView;
   
           other.device = nullptr;
           other.imageView = nullptr;
       }
   
       return *this;
   }
   
   void Kataglyphis::VulkanImageView::setImageView(vk::ImageView in_imageView) { this->imageView = in_imageView; }
   
   void Kataglyphis::VulkanImageView::create(VulkanDevice *in_device,
     vk::Image image,
     vk::Format format,
     vk::ImageAspectFlags aspect_flags,
     uint32_t mip_levels)
   {
       this->device = in_device;
   
       vk::ImageViewCreateInfo view_create_info{};
       view_create_info.image = image;// image to create view for
       view_create_info.viewType = vk::ImageViewType::e2D;// typ of image
       view_create_info.format = format;
       view_create_info.components.r = vk::ComponentSwizzle::eIdentity;// allows remapping of rgba components to
                                                                       // other rgba values
       view_create_info.components.g = vk::ComponentSwizzle::eIdentity;
       view_create_info.components.b = vk::ComponentSwizzle::eIdentity;
       view_create_info.components.a = vk::ComponentSwizzle::eIdentity;
   
       // subresources allow the view to view only a part of an image
       view_create_info.subresourceRange.aspectMask = aspect_flags;// which aspect of an image to view (e.g. color bit for
                                                                   // viewing color)
       view_create_info.subresourceRange.baseMipLevel = 0;// start mipmap level to view from
       view_create_info.subresourceRange.levelCount = mip_levels;// number of mipmap levels to view
       view_create_info.subresourceRange.baseArrayLayer = 0;// start array level to view from
       view_create_info.subresourceRange.layerCount = 1;// number of array levels to view
   
       // create image view
       imageView = device->getLogicalDevice().createImageView(view_create_info).value;
   }
   
   void Kataglyphis::VulkanImageView::cleanUp()
   {
       if (device != nullptr && imageView) { device->getLogicalDevice().destroyImageView(imageView); }
   
       imageView = nullptr;
   }
   
   Kataglyphis::VulkanImageView::~VulkanImageView() = default;