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VertexDeclaration for RHW

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How do I define the VertexDeclaration for the RHW?
typedef struct {
	FLOAT x, y, z;     // 2-D coordinates
	FLOAT rhw;         // rhw
	FLOAT u, v;        // Texture coordinates
} sVertex_2D;
#define VERTEXFVF_2D (D3DFVF_XYZRHW | D3DFVF_TEX1)

D3DVERTEXELEMENT9 decl_2D[] = 
{
	// offsets in bytes
	{0,  0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0},
	{0, 12, D3DDECLTYPE_FLOAT1, D3DDECLMETHOD_DEFAULT, ??,   0},
	{0, 16, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD,   0},
	D3DDECL_END()
};

[Edited by - akira32 on March 20, 2008 5:11:45 AM]

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Thank you,jollyjeffers.
I had solved it.

D3DVERTEXELEMENT9 decl_2D[] =
{
// offsets in bytes
{0, 0, D3DDECLTYPE_FLOAT4, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITIONT, 0},
{0, 16, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 0},
D3DDECL_END()
};



Mapping FVF Codes to a Direct3D 9 Declaration (Direct3D 9)

[Edited by - akira32 on March 20, 2008 6:11:18 AM]

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