添加多模型渲染，添加贴图渲染，添加平行光，暂时不上传assets

2026-09-21 14:07:20 +08:00
parent 381b7c0aa6
commit 7d628f8d8a
37 changed files with 9817 additions and 189 deletions
@@ -0,0 +1,64 @@
+//
+// Created by atdunbg on 2026/9/21.
+//
+
+#include <Engine/Renderer/Mesh.h>
+#include <Engine/Renderer/Material.h>
+#include <Engine/Vulkan/Device.h>
+#include <Engine/Vulkan/MemoryAllocator.h>
+#include <Engine/Vulkan/Buffer.h>
+#include <Engine/Core/Log.h>
+
+#include "Engine/Core/Stats.h"
+
+namespace Engine
+{
+    Mesh::Mesh(Device& device, MemoryAllocator& allocator,
+               const std::vector<Vertex>& vertices,
+               const std::vector<u32>& indices,
+               Scope<Material> material)
+        : m_Material(std::move(material))
+    {
+        if (vertices.empty() || indices.empty())
+        {
+            ENGINE_ERROR("Mesh: empty vertices or indices");
+            return;
+        }
+
+        u64 vbSize = sizeof(Vertex) * vertices.size();
+        m_VertexBuffer = CreateScope<Buffer>(
+            device, allocator, vbSize,
+            vk::BufferUsageFlagBits::eVertexBuffer,
+            vk::MemoryPropertyFlagBits::eHostVisible |
+            vk::MemoryPropertyFlagBits::eHostCoherent);
+        m_VertexBuffer->Upload(vertices.data(), vbSize);
+
+        u64 ibSize = sizeof(u32) * indices.size();
+        m_IndexBuffer = CreateScope<Buffer>(
+            device, allocator, ibSize,
+            vk::BufferUsageFlagBits::eIndexBuffer,
+            vk::MemoryPropertyFlagBits::eHostVisible |
+            vk::MemoryPropertyFlagBits::eHostCoherent);
+        m_IndexBuffer->Upload(indices.data(), ibSize);
+
+        m_IndexCount = static_cast<u32>(indices.size());
+
+        ENGINE_INFO("Mesh created: {} vertices, {} indices", vertices.size(), indices.size());
+
+        m_VertexBytes = sizeof(Vertex) * vertices.size();
+        m_IndexBytes = sizeof(u32) * indices.size();
+        STATS.AddMesh(m_VertexBytes, m_IndexBytes);
+    }
+
+    Mesh::~Mesh()
+    {
+        STATS.RemoveMesh(m_VertexBytes, m_IndexBytes);
+    }
+
+    void Mesh::Draw(vk::CommandBuffer cmd) const
+    {
+        cmd.bindVertexBuffers(0, m_VertexBuffer->Get(), {0});
+        cmd.bindIndexBuffer(m_IndexBuffer->Get(), 0, vk::IndexType::eUint32);
+        cmd.drawIndexed(m_IndexCount, 1, 0, 0, 0);
+    }
+} // namespace Engine