Set up Vertex Buffer

src/global.h

@@ -1,10 +1,13 @@
 #pragma once
+#include <glm/ext/vector_float2.hpp>
+#include <glm/ext/vector_float3.hpp>
 #include <iostream>
 #include <vector>
 #include <optional>
 #include <vulkan/vulkan_core.h>
 #include "debug/vulkandebuglibs.h"
 
+#include <array>
 #define GLFW_INCLUDE_VULKAN
 #include <GLFW/glfw3.h>
 
@@ -21,6 +24,34 @@ namespace Global {
   const int MAX_FRAMES_IN_FLIGHT = 2;
   extern GLFWwindow* window;
 
+  struct Vertex {
+    glm::vec2 pos;
+    glm::vec3 color;
+  
+    static VkVertexInputBindingDescription getBindingDescription() {
+      VkVertexInputBindingDescription bindingDescription{};
+      bindingDescription.binding = 0;
+      bindingDescription.stride = sizeof(Vertex);
+      bindingDescription.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
+
+      return bindingDescription;
+    }
+    static std::array<VkVertexInputAttributeDescription, 2> getAttributeDescriptions() {
+      std::array<VkVertexInputAttributeDescription, 2> attributeDescriptions{};
+
+      attributeDescriptions[0].binding = 0;
+      attributeDescriptions[0].location = 0;
+      attributeDescriptions[0].format = VK_FORMAT_R32G32_SFLOAT;
+      attributeDescriptions[0].offset = offsetof(Vertex, pos);
+
+      attributeDescriptions[1].binding = 0;
+      attributeDescriptions[1].location = 1;
+      attributeDescriptions[1].format = VK_FORMAT_R32G32B32_SFLOAT;
+      attributeDescriptions[1].offset = offsetof(Vertex, color);
+      return attributeDescriptions;
+    }
+  };
+
   const uint32_t WIDTH = 800;
   const uint32_t HEIGHT = 600;