BOOL CD3DVidRender::Setup_Texture(HWND hwnd,IDirect3DDevice9* Device, int Width, int Height, RENDER_DATA_TYPE data_type)
{
    if (!Device)
    {
        return false ;
    }
    Device = m_pDirect3DDevice ;

    HRESULT hr = 0;

    float x_w = Width / 2 ;
    float y_h = Height / 2 ;

    hr = Device->CreateVertexBuffer(
        4 * sizeof(MultiTexVertex), 
        D3DUSAGE_WRITEONLY,
        MultiTexVertex::FVF,
        D3DPOOL_MANAGED,
        &QuadVB,
        0);

    MultiTexVertex* v = 0;
    QuadVB->Lock(0, 0, (void**)&v, 0);
    v[0] = MultiTexVertex(-20.0f,  20.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
    v[1] = MultiTexVertex( 20.0f,  20.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f);
    v[2] = MultiTexVertex( 20.0f, -20.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f);
    v[3] = MultiTexVertex(-20.0f, -20.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f);
    QuadVB->Unlock();

    RECT rc ;
    GetClientRect(hwnd,&rc) ;
    float v_z = (float)Width / (float)rc.right ;

    D3DXMATRIX P;
    D3DXMatrixPerspectiveFovLH(&P,    
        D3DX_PI * 0.5f,
        1.0f,
        1.0f,        //近裁减面到坐标原点的距离
        1000.0f    //远裁减面到原点的距离
        );
    Device->SetTransform(D3DTS_PROJECTION, &P);
    Device->SetRenderState(D3DRS_LIGHTING, false);

    m_RadiusFirst = m_Radius = 20 ;
    m_AngleFirst = m_Angle  = (3.0f * D3DX_PI) / 2.0f;

    D3DXVECTOR3 position( x_Cam, y_Cam, sinf(m_Angle) * m_Radius);
    D3DXVECTOR3 target(x_Cam, y_Cam, 0.0f);
    D3DXVECTOR3 up(0.0f, 1.0f, 0.0f);
    D3DXMATRIX V;
    D3DXMatrixLookAtLH(&V, &position, &target, &up);//计算取景变换矩阵
    m_pDirect3DDevice->SetTransform(D3DTS_VIEW, &V);//取景变换

    if(data_type == RENDER_DATA_TYPE_YUV420P)
    {
        ID3DXBuffer* shader      = 0;
        ID3DXBuffer* errorBuffer = 0;

        hr = D3DXCompileShaderFromFile(
            "E:\\workspace\\Shader\\SDKTexShaderDemo\\SDKTexShaderDemo\\ps_yuv420p.txt",
            0,
            0,
            "Main", // entry point function name
            "ps_2_0",
            D3DXSHADER_DEBUG, 
            &shader,
            &errorBuffer,
            &MultiTexCT);

        if( errorBuffer )
        {
            ::MessageBox(0, (char*)errorBuffer->GetBufferPointer(), 0, 0);
            errorBuffer->Release() ;
        }

        if(FAILED(hr))
        {
            ::MessageBox(0, "D3DXCompileShaderFromFile() - FAILED", 0, 0);
            return false;
        }

        hr = Device->CreatePixelShader((DWORD*)shader->GetBufferPointer(), &MultiTexPS);
        if(FAILED(hr))
        {
            ::MessageBox(0, "CreateVertexShader - FAILED", 0, 0);
            return false;
        }

        if (shader)
        {
            shader->Release() ;
        }

        Device->CreateTexture ( Width, Height, 1, D3DUSAGE_DYNAMIC, D3DFMT_L8, D3DPOOL_DEFAULT, &YTex, NULL ) ;
        Device->CreateTexture ( Width / 2, Height / 2, 1, D3DUSAGE_DYNAMIC, D3DFMT_L8, D3DPOOL_DEFAULT, &UTex, NULL ) ;
        Device->CreateTexture ( Width / 2, Height / 2,