1 files changed, 86 insertions, 0 deletions
diff --git a/Runtime/GfxDevice/d3d/D3D9VBO.h b/Runtime/GfxDevice/d3d/D3D9VBO.h
new file mode 100644
index 0000000..71c0da9
--- /dev/null
+++ b/Runtime/GfxDevice/d3d/D3D9VBO.h
@@ -0,0 +1,86 @@
+#pragma once
+
+#include "D3D9Includes.h"
+#include "Runtime/Shaders/VBO.h"
+
+
+// Implements Direct3D9 VBO
+class D3D9VBO : public VBO {
+public:
+	D3D9VBO();
+	virtual ~D3D9VBO();
+
+	virtual void UpdateVertexData( const VertexBufferData& buffer );
+	virtual void UpdateIndexData (const IndexBufferData& buffer);
+	virtual void DrawVBO (const ChannelAssigns& channels, UInt32 firstIndexByte, UInt32 indexCount, GfxPrimitiveType topology, UInt32 firstVertex, UInt32 vertexCount);
+	#if GFX_ENABLE_DRAW_CALL_BATCHING
+	virtual void DrawCustomIndexed( const ChannelAssigns& channels, void* indices, UInt32 indexCount,
+								   GfxPrimitiveType topology, UInt32 vertexRangeBegin, UInt32 vertexRangeEnd, UInt32 drawVertexCount );
+	#endif	
+	virtual bool MapVertexStream( VertexStreamData& outData, unsigned stream );
+	virtual void UnmapVertexStream( unsigned stream );
+	virtual bool IsVertexBufferLost() const;
+
+	virtual void ResetDynamicVB();
+
+	virtual int GetRuntimeMemorySize() const;
+
+	static void CleanupSharedIndexBuffer();
+
+private:
+	void BindVertexStreams( IDirect3DDevice9* dev, const ChannelAssigns& channels );
+	void UpdateVertexStream( const VertexBufferData& sourceData, unsigned stream );
+	void UpdateIndexBufferData (const IndexBufferData& sourceData);
+	static UInt16* MapDynamicIndexBuffer (int indexCount, UInt32& outBytesUsed);
+	static void UnmapDynamicIndexBuffer ();
+
+private:
+	int		m_VertexCount;
+
+	enum
+	{
+		kVertexDeclDefault,
+		kVertexDeclAllWhiteStream,
+		kVertexDeclCount
+	};
+
+	IDirect3DVertexBuffer9*			m_VBStreams[kMaxVertexStreams];
+	IDirect3DIndexBuffer9*			m_IB;
+	IDirect3DVertexDeclaration9*	m_VertexDecls[kVertexDeclCount];
+	ChannelInfoArray				m_ChannelInfo;
+	int								m_IBSize;
+
+	static IDirect3DIndexBuffer9*	ms_CustomIB;
+	static int						ms_CustomIBSize;
+	static UInt32					ms_CustomIBUsedBytes;
+};
+
+class DynamicD3D9VBO : public DynamicVBO {
+public:
+	DynamicD3D9VBO( UInt32 vbSize, UInt32 ibSize );
+	virtual ~DynamicD3D9VBO();
+
+	virtual bool GetChunk( UInt32 shaderChannelMask, UInt32 maxVertices, UInt32 maxIndices, RenderMode mode, void** outVB, void** outIB );
+	virtual void ReleaseChunk( UInt32 actualVertices, UInt32 actualIndices );
+	virtual void DrawChunk (const ChannelAssigns& channels);
+
+private:
+	void InitializeQuadsIB();
+
+private:
+	UInt32	m_VBSize;
+	UInt32	m_VBUsedBytes;
+	UInt32	m_IBSize;
+	UInt32	m_IBUsedBytes;
+
+	IDirect3DVertexBuffer9*	m_VB;
+	IDirect3DIndexBuffer9*	m_IB;
+	IDirect3DVertexDeclaration9*	m_VertexDecl; // vertex declaration for the last chunk
+
+	UInt32 m_LastChunkStartVertex;
+	UInt32 m_LastChunkStartIndex;
+
+	IDirect3DIndexBuffer9*	m_QuadsIB; // static IB for drawing quads
+	bool	m_QuadsIBFailed;
+};
+