添加多模型渲染，添加贴图渲染，添加平行光， 暂时不上传assets

Engine/src/Vulkan/Buffer.cpp

@@ -9,12 +9,14 @@
 
 #include <cstring>
 
+#include "Engine/Core/Stats.h"
+
 namespace Engine {
 
     Buffer::Buffer(Device& device, MemoryAllocator& allocator,
                vk::DeviceSize size, vk::BufferUsageFlags usage,
                vk::MemoryPropertyFlags memProps)
-    : m_Device(device), m_Size(size)
+    : m_Device(device), m_Allocator(allocator) , m_Size(size)
     {
         vk::BufferCreateInfo bufferInfo;
         bufferInfo.setSize(size)
@@ -31,12 +33,17 @@ namespace Engine {
         m_MappedPtr = alloc.MappedPtr;
 
         m_Device.GetDevice().bindBufferMemory(m_Buffer, m_Memory, m_Offset);
-    }
 
+        m_Allocation = alloc;   // 成员变量，保存起来
+
+        STATS.AddBuffer(m_Size);
+    }
 
     Buffer::~Buffer()
     {
         m_Device.GetDevice().destroyBuffer(m_Buffer);
+        m_Allocator.Free(m_Allocation);
+        STATS.RemoveBuffer(m_Size);
     }
 
     void Buffer::Upload(const void* data, vk::DeviceSize size, vk::DeviceSize offset)