more memory stuff

2026-02-20 18:42:03 +00:00
parent 3db30fee6e
commit 3d211b5da3
4 changed files with 64 additions and 14 deletions
--- a/cve_model.cpp
+++ b/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);
+    }
+}