.. _program_listing_file_Src_GraphicsEngineVulkan_vulkan_base_VulkanBufferManager.cpp:

Program Listing for File VulkanBufferManager.cpp
================================================

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

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

.. code-block:: cpp

   #include "vulkan_base/VulkanBufferManager.hpp"
   #include "common/Utilities.hpp"
   
   Kataglyphis::VulkanBufferManager::VulkanBufferManager() {}
   
   void Kataglyphis::VulkanBufferManager::copyBuffer(VkDevice device,
     VkQueue transfer_queue,
     VkCommandPool transfer_command_pool,
     VulkanBuffer src_buffer,
     VulkanBuffer dst_buffer,
     VkDeviceSize buffer_size)
   {
       // create buffer
       VkCommandBuffer command_buffer = commandBufferManager.beginCommandBuffer(device, transfer_command_pool);
   
       // region of data to copy from and to
       VkBufferCopy buffer_copy_region{};
       buffer_copy_region.srcOffset = 0;
       buffer_copy_region.dstOffset = 0;
       buffer_copy_region.size = buffer_size;
   
       // command to copy src buffer to dst buffer
       vkCmdCopyBuffer(command_buffer, src_buffer.getBuffer(), dst_buffer.getBuffer(), 1, &buffer_copy_region);
   
       commandBufferManager.endAndSubmitCommandBuffer(device, transfer_command_pool, transfer_queue, command_buffer);
   }
   
   void Kataglyphis::VulkanBufferManager::copyImageBuffer(VkDevice device,
     VkQueue transfer_queue,
     VkCommandPool transfer_command_pool,
     VkBuffer src_buffer,
     VkImage image,
     uint32_t width,
     uint32_t height)
   {
       // create buffer
       VkCommandBuffer transfer_command_buffer = commandBufferManager.beginCommandBuffer(device, transfer_command_pool);
   
       VkBufferImageCopy image_region{};
       image_region.bufferOffset = 0;// offset into data
       image_region.bufferRowLength = 0;// row length of data to calculate data spacing
       image_region.bufferImageHeight = 0;// image height to calculate data spacing
       image_region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;// which aspect of image to copy
       image_region.imageSubresource.mipLevel = 0;
       image_region.imageSubresource.baseArrayLayer = 0;
       image_region.imageSubresource.layerCount = 1;
       image_region.imageOffset = { 0, 0, 0 };// offset into image
       image_region.imageExtent = { width, height, 1 };
   
       // copy buffer to given image
       vkCmdCopyBufferToImage(
         transfer_command_buffer, src_buffer, image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &image_region);
   
       commandBufferManager.endAndSubmitCommandBuffer(
         device, transfer_command_pool, transfer_queue, transfer_command_buffer);
   }
   
   Kataglyphis::VulkanBufferManager::~VulkanBufferManager() {}