*misc

2 files changed, 8 insertions, 7 deletions

diff --git a/Runtime/Graphics/SharedVertexBuffer.h b/Runtime/Graphics/SharedVertexBuffer.h
index 001eb2c..cc89752 100644
--- a/Runtime/Graphics/SharedVertexBuffer.h
+++ b/Runtime/Graphics/SharedVertexBuffer.h
@@ -18,13 +18,15 @@ public:
 
 	// default layout 
 	void GetChunk(uint attrs, int maxVerts, int maxIndices, EPrimitive primitive, void **out_vb, void **out_ib);
-	void ReleaseChunk(int actualVerts, int actualIndices);
 	void DrawChunk();
 
 	// custom layout 
 	void GetChunk(uint sizePerVert, uint sizePerIndex, int maxVerts, int maxIndices, EPrimitive primitive, void **out_vb, void **out_ib);
 	void DrawChunk(CustomVertexLayout& layout);
 
+	// common
+	void ReleaseChunk(int actualVerts, int actualIndices);
+
 private:
 
 	void FillCustomVertexLayout(CustomVertexLayout& dst);
@@ -32,14 +34,12 @@ private:
 
 	void Clean();
 
-	// if vertex databuffer size beyond this value, use pinned memory mapping, instead of glBufferData.
+	// 如果数据大小超过这个限制，用内存数据，而不是glBufferData
 	enum { DataBufferThreshold = 1024 };
 
-	// shared vbo and ibo
 	GPU::DataBuffer *m_CurVB;
 	GPU::DataBuffer *m_CurIB;
 
-	// restore vbo and ibo data if not using pinned memory mapping
 	std::vector<byte> m_CurVBData;
 	std::vector<uint16> m_CurIBData;
 
diff --git a/Runtime/Graphics/VertexBuffer.h b/Runtime/Graphics/VertexBuffer.h
index 382ca39..5e4fdf2 100644
--- a/Runtime/Graphics/VertexBuffer.h
+++ b/Runtime/Graphics/VertexBuffer.h
@@ -12,6 +12,8 @@
 #include "CustomVertexLayout.h"
 #include "Primitive.h"
 
+// 实际使用过程中，通常是一个VBO和一个IBO一起，submesh对应的是IBO中的不同的段，而不是不同的IBO
+
 class VertexBuffer
 {
 public:
@@ -29,9 +31,8 @@ public:
 
 private:
 	VertexBufferType m_Type;
-	GPU::DataBuffer *m_VB;
-	GPU::DataBuffer *m_IB;// vertex buffer and index buffer
-
+	GPU::DataBuffer* m_VB;
+	GPU::DataBuffer* m_IB;
 };
 
 #endif
\ No newline at end of file