.. _program_listing_file_Src_GraphicsEngineVulkan_scene_Vertex.ixx:

Program Listing for File Vertex.ixx
===================================

|exhale_lsh| :ref:`Return to documentation for file <file_Src_GraphicsEngineVulkan_scene_Vertex.ixx>` (``Src/GraphicsEngineVulkan/scene/Vertex.ixx``)

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

.. code-block:: cpp

   module;
   
   #include "scene/Vertex.hpp"
   
   #define GLM_ENABLE_EXPERIMENTAL
   #include <vulkan/vulkan.h>
   
   #include <array>
   #include <cstddef>
   #include <functional>
   #include <glm/glm.hpp>
   #include <glm/gtx/hash.hpp>
   
   export module kataglyphis.vulkan.vertex;
   
   export using ::Vertex;
   
   export namespace vertex {
   std::array<VkVertexInputAttributeDescription, 4> getVertexInputAttributeDesc();
   }
   
   export namespace std {
   template<> struct hash<Vertex>
   {
       size_t operator()(Vertex const &vertex) const
       {
           size_t h1 = hash<glm::vec3>()(vertex.pos);
           size_t h2 = hash<glm::vec3>()(vertex.color);
           size_t h3 = hash<glm::vec2>()(vertex.texture_coords);
           size_t h4 = hash<glm::vec3>()(vertex.normal);
   
           return (((((((h2 << 1) ^ h1) >> 1) ^ h3) << 1) ^ h4));
       }
   };
   }// namespace std