1 files changed, 51 insertions, 0 deletions
diff --git a/Runtime/GfxDevice/d3d11/VertexDeclarationsD3D11.h b/Runtime/GfxDevice/d3d11/VertexDeclarationsD3D11.h
new file mode 100644
index 0000000..cd7e981
--- /dev/null
+++ b/Runtime/GfxDevice/d3d11/VertexDeclarationsD3D11.h
@@ -0,0 +1,51 @@
+#pragma once
+
+#include "D3D11Includes.h"
+#include "Runtime/Filters/Mesh/VertexData.h"
+#include "Runtime/Utilities/dynamic_array.h"
+#include <map>
+
+struct InputSignatureD3D11
+{
+	dynamic_array<UInt8> blob;
+	bool operator < (const InputSignatureD3D11& o) const
+	{
+		size_t sizeA = blob.size();
+		size_t sizeB = o.blob.size();
+		if (sizeA != sizeB)
+			return sizeA < sizeB;
+		int res = memcmp (blob.data(), o.blob.data(), sizeA);
+		return res < 0;
+	}
+};
+
+class VertexDeclarationsD3D11
+{
+public:
+	VertexDeclarationsD3D11();
+	~VertexDeclarationsD3D11();
+
+	ID3D11InputLayout* GetVertexDecl( UInt32 shaderChannelsMap, void* vertexShaderCode, unsigned vertexShaderLength, bool streamOutSkin = false, unsigned int bonesPerVertex = 4 );
+	ID3D11InputLayout* GetVertexDecl (const ChannelInfoArray& channels, const InputSignatureD3D11* inputSig, bool streamOutSkin = false, unsigned int bonesPerVertex = 4);
+	ID3D11InputLayout* GetImmVertexDecl (const InputSignatureD3D11* inputSig);
+	void Clear();
+
+	const InputSignatureD3D11* GetShaderInputSignature (void* code, unsigned length);
+
+private:
+	typedef std::set<InputSignatureD3D11> InputSignatures;
+	InputSignatures	m_InputSignatures;
+
+	struct KeyType
+	{
+		bool operator < (const KeyType& rhs) const;
+		ChannelInfoArray channels;
+		const InputSignatureD3D11* inputSig;
+		UInt32 extraBits;
+	};
+	typedef UNITY_MAP(kMemVertexData, KeyType, ID3D11InputLayout*) VertexDeclMap;
+	VertexDeclMap m_VertexDeclMap;
+
+	typedef UNITY_MAP(kMemVertexData, const InputSignatureD3D11*, ID3D11InputLayout*) ImmVertexDeclMap;
+	ImmVertexDeclMap m_ImmVertexDeclMap;
+};