d3dx9mesh.h

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        D3DXVECTOR3 *pMax);

HRESULT WINAPI 
    D3DXComputeNormals(
        LPD3DXBASEMESH pMesh,
        CONST DWORD *pAdjacency);

HRESULT WINAPI 
    D3DXCreateBuffer(
        DWORD NumBytes, 
        LPD3DXBUFFER *ppBuffer);


HRESULT WINAPI
    D3DXLoadMeshFromXA(
        LPCSTR pFilename, 
        DWORD Options, 
        LPDIRECT3DDEVICE9 pD3D, 
        LPD3DXBUFFER *ppAdjacency,
        LPD3DXBUFFER *ppMaterials, 
        LPD3DXBUFFER *ppEffectInstances, 
        DWORD *pNumMaterials,
        LPD3DXMESH *ppMesh);

HRESULT WINAPI
    D3DXLoadMeshFromXW(
        LPCWSTR pFilename, 
        DWORD Options, 
        LPDIRECT3DDEVICE9 pD3D, 
        LPD3DXBUFFER *ppAdjacency,
        LPD3DXBUFFER *ppMaterials, 
        LPD3DXBUFFER *ppEffectInstances, 
        DWORD *pNumMaterials,
        LPD3DXMESH *ppMesh);

#ifdef UNICODE
#define D3DXLoadMeshFromX D3DXLoadMeshFromXW
#else
#define D3DXLoadMeshFromX D3DXLoadMeshFromXA
#endif

HRESULT WINAPI 
    D3DXLoadMeshFromXInMemory(
        LPCVOID Memory,
        DWORD SizeOfMemory,
        DWORD Options, 
        LPDIRECT3DDEVICE9 pD3D, 
        LPD3DXBUFFER *ppAdjacency,
        LPD3DXBUFFER *ppMaterials, 
        LPD3DXBUFFER *ppEffectInstances, 
        DWORD *pNumMaterials,
        LPD3DXMESH *ppMesh);

HRESULT WINAPI 
    D3DXLoadMeshFromXResource(
        HMODULE Module,
        LPCSTR Name,
        LPCSTR Type,
        DWORD Options, 
        LPDIRECT3DDEVICE9 pD3D, 
        LPD3DXBUFFER *ppAdjacency,
        LPD3DXBUFFER *ppMaterials, 
        LPD3DXBUFFER *ppEffectInstances, 
        DWORD *pNumMaterials,
        LPD3DXMESH *ppMesh);

HRESULT WINAPI 
    D3DXSaveMeshToXA(
        LPCSTR pFilename,
        LPD3DXMESH pMesh,
        CONST DWORD* pAdjacency,
        CONST D3DXMATERIAL* pMaterials,
        CONST D3DXEFFECTINSTANCE* pEffectInstances, 
        DWORD NumMaterials,
        DWORD Format
        );

HRESULT WINAPI 
    D3DXSaveMeshToXW(
        LPCWSTR pFilename,
        LPD3DXMESH pMesh,
        CONST DWORD* pAdjacency,
        CONST D3DXMATERIAL* pMaterials,
        CONST D3DXEFFECTINSTANCE* pEffectInstances, 
        DWORD NumMaterials,
        DWORD Format
        );
        
#ifdef UNICODE
#define D3DXSaveMeshToX D3DXSaveMeshToXW
#else
#define D3DXSaveMeshToX D3DXSaveMeshToXA
#endif
        

HRESULT WINAPI 
    D3DXCreatePMeshFromStream(
        IStream *pStream, 
        DWORD Options,
        LPDIRECT3DDEVICE9 pD3DDevice, 
        LPD3DXBUFFER *ppMaterials,
        LPD3DXBUFFER *ppEffectInstances, 
        DWORD* pNumMaterials,
        LPD3DXPMESH *ppPMesh);

// Creates a skin info object based on the number of vertices, number of bones, and a declaration describing the vertex layout of the target vertices
// The bone names and initial bone transforms are not filled in the skin info object by this method.
HRESULT WINAPI
    D3DXCreateSkinInfo(
        DWORD NumVertices,
        CONST D3DVERTEXELEMENT9 *pDeclaration, 
        DWORD NumBones,
        LPD3DXSKININFO* ppSkinInfo);
        
// Creates a skin info object based on the number of vertices, number of bones, and a FVF describing the vertex layout of the target vertices
// The bone names and initial bone transforms are not filled in the skin info object by this method.
HRESULT WINAPI
    D3DXCreateSkinInfoFVF(
        DWORD NumVertices,
        DWORD FVF,
        DWORD NumBones,
        LPD3DXSKININFO* ppSkinInfo);
        
#ifdef __cplusplus
}

extern "C" {
#endif //__cplusplus

HRESULT WINAPI 
    D3DXLoadMeshFromXof(
        LPDIRECTXFILEDATA pXofObjMesh, 
        DWORD Options, 
        LPDIRECT3DDEVICE9 pD3DDevice, 
        LPD3DXBUFFER *ppAdjacency,
        LPD3DXBUFFER *ppMaterials, 
        LPD3DXBUFFER *ppEffectInstances, 
        DWORD *pNumMaterials,
        LPD3DXMESH *ppMesh);

// This similar to D3DXLoadMeshFromXof, except also returns skinning info if present in the file
// If skinning info is not present, ppSkinInfo will be NULL     
HRESULT WINAPI
    D3DXLoadSkinMeshFromXof(
        LPDIRECTXFILEDATA pxofobjMesh, 
        DWORD Options,
        LPDIRECT3DDEVICE9 pD3D,
        LPD3DXBUFFER* ppAdjacency,
        LPD3DXBUFFER* ppMaterials,
        LPD3DXBUFFER *ppEffectInstances, 
        DWORD *pMatOut,
        LPD3DXSKININFO* ppSkinInfo,
        LPD3DXMESH* ppMesh);

// The inverse of D3DXConvertTo{Indexed}BlendedMesh() functions. It figures out the skinning info from
// the mesh and the bone combination table and populates a skin info object with that data. The bone
// names and initial bone transforms are not filled in the skin info object by this method. This works
// with either a non-indexed or indexed blended mesh. It examines the FVF or declarator of the mesh to
// determine what type it is.
HRESULT WINAPI
    D3DXCreateSkinInfoFromBlendedMesh(
        LPD3DXBASEMESH pMesh,
        DWORD NumBoneCombinations,
        LPD3DXBONECOMBINATION pBoneCombinationTable,
        LPD3DXSKININFO* ppSkinInfo);
        
HRESULT WINAPI
    D3DXTessellateNPatches(
        LPD3DXMESH pMeshIn,             
        CONST DWORD* pAdjacencyIn,             
        FLOAT NumSegs,                    
        BOOL  QuadraticInterpNormals,     // if false use linear intrep for normals, if true use quadratic
        LPD3DXMESH *ppMeshOut,
        LPD3DXBUFFER *ppAdjacencyOut);


//generates implied outputdecl from input decl
//the decl generated from this should be used to generate the output decl for
//the tessellator subroutines. 

HRESULT WINAPI
    D3DXGenerateOutputDecl(
        D3DVERTEXELEMENT9 *pOutput,
        D3DVERTEXELEMENT9 *pInput);

//loads patches from an XFileData
//since an X file can have up to 6 different patch meshes in it,
//returns them in an array - pNumPatches will contain the number of
//meshes in the actual file. 
HRESULT WINAPI
    D3DXLoadPatchMeshFromXof(
        LPDIRECTXFILEDATA pXofObjMesh,
        DWORD Options,
        LPDIRECT3DDEVICE9 pDevice,
        LPD3DXBUFFER *ppMaterials,
        LPD3DXBUFFER *ppEffectInstances, 
        PDWORD pNumMaterials,
        LPD3DXPATCHMESH *ppMesh);

//computes the size a single rect patch.
HRESULT WINAPI
    D3DXRectPatchSize(
        CONST FLOAT *pfNumSegs, //segments for each edge (4)
        DWORD *pdwTriangles,    //output number of triangles
        DWORD *pdwVertices);    //output number of vertices

//computes the size of a single triangle patch      
HRESULT WINAPI
    D3DXTriPatchSize(
        CONST FLOAT *pfNumSegs, //segments for each edge (3)    
        DWORD *pdwTriangles,    //output number of triangles
        DWORD *pdwVertices);    //output number of vertices


//tessellates a patch into a created mesh
//similar to D3D RT patch
HRESULT WINAPI
    D3DXTessellateRectPatch(
        LPDIRECT3DVERTEXBUFFER9 pVB,
        CONST FLOAT *pNumSegs,
        CONST D3DVERTEXELEMENT9 *pdwInDecl,
        CONST D3DRECTPATCH_INFO *pRectPatchInfo,
        LPD3DXMESH pMesh);


HRESULT WINAPI
    D3DXTessellateTriPatch(
      LPDIRECT3DVERTEXBUFFER9 pVB,
      CONST FLOAT *pNumSegs,
      CONST D3DVERTEXELEMENT9 *pInDecl,
      CONST D3DTRIPATCH_INFO *pTriPatchInfo,
      LPD3DXMESH pMesh);



//creates an NPatch PatchMesh from a D3DXMESH 
HRESULT WINAPI
    D3DXCreateNPatchMesh(
        LPD3DXMESH pMeshSysMem,
        LPD3DXPATCHMESH *pPatchMesh);

      
//creates a patch mesh
HRESULT WINAPI
    D3DXCreatePatchMesh(
        LPD3DXPATCHINFO pInfo, //patch type
        DWORD dwNumPatches,    //number of patches
        DWORD dwNumVertices,   //number of control vertices
        DWORD dwOptions,       //options 
        CONST D3DVERTEXELEMENT9 *pDecl, //format of control vertices
        LPDIRECT3DDEVICE9 pDevice, 
        LPD3DXPATCHMESH *pPatchMesh);

        
//returns the number of degenerates in a patch mesh -
//text output put in string.
HRESULT WINAPI
    D3DXValidPatchMesh(THIS_ LPD3DXPATCHMESH pMesh,
                        DWORD *dwcDegenerateVertices,
                        DWORD *dwcDegeneratePatches,
                        LPD3DXBUFFER *ppErrorsAndWarnings);

UINT WINAPI
    D3DXGetFVFVertexSize(DWORD FVF);

UINT WINAPI 
    D3DXGetDeclVertexSize(CONST D3DVERTEXELEMENT9 *pDecl,DWORD Stream);

UINT WINAPI 
    D3DXGetDeclLength(CONST D3DVERTEXELEMENT9 *pDecl);

HRESULT WINAPI
    D3DXDeclaratorFromFVF(
        DWORD FVF,
        D3DVERTEXELEMENT9 pDeclarator[MAX_FVF_DECL_SIZE]);

HRESULT WINAPI
    D3DXFVFFromDeclarator(
        CONST D3DVERTEXELEMENT9 *pDeclarator,
        DWORD *pFVF);

HRESULT WINAPI 
    D3DXWeldVertices(
        CONST LPD3DXMESH pMesh,         
        DWORD Flags,
        CONST D3DXWELDEPSILONS *pEpsilons,                 
        CONST DWORD *pAdjacencyIn, 
        DWORD *pAdjacencyOut,
        DWORD *pFaceRemap, 
        LPD3DXBUFFER *ppVertexRemap);

typedef struct _D3DXINTERSECTINFO
{
    DWORD FaceIndex;                // index of face intersected
    FLOAT U;                        // Barycentric Hit Coordinates    
    FLOAT V;                        // Barycentric Hit Coordinates
    FLOAT Dist;                     // Ray-Intersection Parameter Distance
} D3DXINTERSECTINFO, *LPD3DXINTERSECTINFO;


HRESULT WINAPI
    D3DXIntersect(
        LPD3DXBASEMESH pMesh,
        CONST D3DXVECTOR3 *pRayPos,
        CONST D3DXVECTOR3 *pRayDir, 
        BOOL    *pHit,              // True if any faces were intersected
        DWORD   *pFaceIndex,        // index of closest face intersected
        FLOAT   *pU,                // Barycentric Hit Coordinates    
        FLOAT   *pV,                // Barycentric Hit Coordinates
        FLOAT   *pDist,             // Ray-Intersection Parameter Distance
        LPD3DXBUFFER *ppAllHits,    // Array of D3DXINTERSECTINFOs for all hits (not just closest) 
        DWORD   *pCountOfHits);     // Number of entries in AllHits array

HRESULT WINAPI
    D3DXIntersectSubset(
        LPD3DXBASEMESH pMesh,
        DWORD AttribId,
        CONST D3DXVECTOR3 *pRayPos,
        CONST D3DXVECTOR3 *pRayDir, 
        BOOL    *pHit,              // True if any faces were intersected
        DWORD   *pFaceIndex,        // index of closest face intersected
        FLOAT   *pU,                // Barycentric Hit Coordinates    
        FLOAT   *pV,                // Barycentric Hit Coordinates
        FLOAT   *pDist,             // Ray-Intersection Parameter Distance
        LPD3DXBUFFER *ppAllHits,    // Array of D3DXINTERSECTINFOs for all hits (not just closest) 
        DWORD   *pCountOfHits);     // Number of entries in AllHits array


HRESULT WINAPI D3DXSplitMesh
    (
    CONST LPD3DXMESH pMeshIn,         
    CONST DWORD *pAdjacencyIn, 
    CONST DWORD MaxSize,
    CONST DWORD Options,
    DWORD *pMeshesOut,
    LPD3DXBUFFER *ppMeshArrayOut,
    LPD3DXBUFFER *ppAdjacencyArrayOut,