OgreD3D11VertexDeclaration.h

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/*
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#ifndef __D3D11VERTEXDECLARATION_H__
#define __D3D11VERTEXDECLARATION_H__

#include "OgreD3D11Prerequisites.h"
#include "OgreHardwareVertexBuffer.h"
#include "OgreHighLevelGpuProgramManager.h"

namespace Ogre { 

    class D3D11VertexDeclaration : public VertexDeclaration
    {
    protected:
        D3D11Device & mlpD3DDevice;

        bool mNeedsRebuild;

        typedef map<D3D11HLSLProgram*, ID3D11InputLayout*>::type ShaderToILayoutMap;
        typedef ShaderToILayoutMap::iterator ShaderToILayoutMapIterator;
        typedef map<D3D11HLSLProgram*, D3D11_INPUT_ELEMENT_DESC*>::type ShaderToInputDesc;
        typedef ShaderToInputDesc::iterator ShaderToInputDescIterator;

        ShaderToInputDesc  mD3delems;

        ShaderToILayoutMap mShaderToILayoutMap;

        ID3D11InputLayout   *  getILayoutByShader(D3D11HLSLProgram* boundVertexProgram, VertexBufferBinding* binding);
    public:
        D3D11VertexDeclaration(D3D11Device &  device);
        ~D3D11VertexDeclaration();

        const VertexElement& addElement(unsigned short source, size_t offset, VertexElementType theType,
            VertexElementSemantic semantic, unsigned short index = 0);

        const VertexElement& insertElement(unsigned short atPosition,
            unsigned short source, size_t offset, VertexElementType theType,
            VertexElementSemantic semantic, unsigned short index = 0);

        void removeElement(unsigned short elem_index);

        void removeElement(VertexElementSemantic semantic, unsigned short index = 0);

        void removeAllElements(void);


        void modifyElement(unsigned short elem_index, unsigned short source, size_t offset, VertexElementType theType,
            VertexElementSemantic semantic, unsigned short index = 0);


        D3D11_INPUT_ELEMENT_DESC * getD3DVertexDeclaration(D3D11HLSLProgram* boundVertexProgram, VertexBufferBinding* binding);
        void bindToShader(D3D11HLSLProgram* boundVertexProgram, VertexBufferBinding* binding);

    };

}

#endif