struct Vertex {  FLOAT x, y, z, rhw;
    DWORD diffuse_color;
    FLOAT u, v; };

#define MY_VERTEX_FORMAT (D3DFVF_XYZRHW|D3DFVF_DIFFUSE|D3DFVF_TEX1)
const int num_vertices = 4;

Vertex vertices[num_vertices] = {
0, 0, 0, 1, 0xFFFF0000, 0.0f, 0.0f,  // left top
w, 0, 0, 1, 0xFFFF0000, 1.0f, 0.0f,  // right top
w, h, 0, 1, 0xFFFF0000, 1.0f, 1.0f,  // right bottom
0, h, 0, 1, 0xFFFF0000, 0.0f, 1.0f   // left bottom };

.....


m_pD3DD9->SetPixelShader(pShader);
m_pD3DD9->BeginScene();
hr = m_pD3DD9->DrawPrimitive(D3DPT_TRIANGLEFAN, 0, 2);
m_pD3DD9->EndScene();

sampler2D rgbaTexture : register(S0);
float4 main(float2 in_Point : TEXCOORD) : COLOR
{
…..
}

struct Vertex
    {
       FLOAT x, y, z;
       FLOAT u, v;
    };
    ...

   ->BeginScene()

   D3DXMATRIX matView
   D3DXVECTOR3 eye(2, 3, 3);  //??
   D3DXVECTOR3 Lat(0, 0, 0);  //??
   D3DXVECTOR3 up(0, 1, 0);   //??
   D3DXMatrixLookAtRH(&matView, &eye, &Lat, &up);
   d3ddevice->SetTransform(D3DTS_VIEW, &matView);

   D3DXMATRIX matProjection;
   D3DXMatrixPerspectiveFovRH(&matProjection, D3DXToRadian(45.0f), float(SrcW / SrcH), 0.1f, 100.0f);
   m_pD3DD9->SetTransform(D3DTS_PROJECTION, &matProjection);