more memory stuff

cve_model.cpp

@@ -0,0 +1,34 @@
+#include "cve_model.hpp"
+
+#include <cassert>
+#include <cstring>
+
+namespace cve {
+
+    CveModel::CveModel(CveDevice &device, const std::vector<Vertex> &verticies) : cveDevice{device} {
+        createVertexBuffers(verticies);
+    }
+
+    CveModel::~CveModel() {
+        vkDestroyBuffer(cveDevice.device(), vertexBuffer, nullptr);
+        vkFreeMemory(cveDevice.device(), vertexBufferMemory, nullptr);
+    }
+
+    void CveModel::createVertexBuffers(const std::vector<Vertex> &verticies) {
+        vertexCount = static_cast<uint32_t>(verticies.size());
+        assert(vertexCount >= 3 && "Vertex count must be at least 3");
+        VkDeviceSize bufferSize = sizeof(verticies[0]) * vertexCount;
+        cveDevice.createBuffer(
+            bufferSize,
+            VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
+            VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
+            vertexBuffer,
+            vertexBufferMemory
+        );
+
+        void *data;
+        vkMapMemory(cveDevice.device(), vertexBufferMemory, 0, bufferSize, 0, &data);
+        memcpy(data, verticies.data(), static_cast<size_t>(bufferSize));
+        vkUnmapMemory(cveDevice.device(), vertexBufferMemory);
+    }
+}

cve_model.hpp

@@ -1,22 +1,38 @@
 #pragma once
 
+#include <vector>
+
 #include "cve_device.hpp"
 
+#define GLM_FORCE_RADIANS
+#define GLM_FORCE_DEPTH_ZERO_TO_ONE
+#include <glm/glm.hpp>
+
 namespace cve {
-    class CveModel {
-      public:
-        CveModel();
-        ~CveModel();
+  class CveModel {
+    public:
 
-        CveModel(const CveModel &) = delete;
-        CveModel &operator=(const CveModel &) = delete;
+      struct Vertex {
+        glm::vec2 position;
+        static std::vector<VkVertexInputBindingDescription> getBindingDescriptions();
+        static std::vector<VkVertexInputAttributeDescription> getAttributeDescriptions();
+      };
 
-        void bind(VkCommandBuffer commandBuffer);
-        void draw(VkCommandBuffer commandBuffer);
-      private:
-        CveDevice &cveDevice;
-        VkBuffer vertexBuffer;
-        VkDeviceMemory vertexBufferMemory;
-        uint32_t vertexCount;
-    };
+      CveModel(CveDevice &device, const std::vector<Vertex> &verticies);
+      ~CveModel();
+
+      CveModel(const CveModel &) = delete;
+      CveModel &operator=(const CveModel &) = delete;
+
+      void bind(VkCommandBuffer commandBuffer);
+      void draw(VkCommandBuffer commandBuffer);
+
+    private:
+      void createVertexBuffers(const std::vector<Vertex> &verticies);
+
+      CveDevice &cveDevice;
+      VkBuffer vertexBuffer;
+      VkDeviceMemory vertexBufferMemory;
+      uint32_t vertexCount;
+  };
 }