쉐이더 EffectTechnique

TNL

 hr = D3DXCreateEffectFromFile( g_pd3dDevice,
                             L"effect.fx",
                             NULL,
                             NULL,
                             0,
                             NULL,
                             &m_pEffect,
                             &pBufferErrors );
//이펙트 파일을 불러온다
 if( FAILED(hr) )
 {
  LPVOID pCompilErrors = pBufferErrors->GetBufferPointer();
  MessageBox(NULL, (const TCHAR*)pCompilErrors, L"Fx Compile Error",
   MB_OK|MB_ICONEXCLAMATION);
 }
이펙트 파일에 불러올떄 에러가 날때 에러 메세지를 받아와서 멀티바이트를 유니코드로 바꿔어서 출력한다.

m_pEffect->SetTexture( "texture0", m_pTexture_0 );
텍스트를 찾아서 텍스쳐를 설정한다

 UINT uPasses;
    m_pEffect->Begin( &uPasses, 0 );
   
    for( UINT uPass = 0; uPass < uPasses; ++uPass )
    {
        m_pEffect->BeginPass( uPass );
        g_pd3dDevice->SetStreamSource( 0, m_pVertexBuffer, 0, sizeof(Vertex) );
  g_pd3dDevice->SetFVF( D3DFVF_CUSTOMVERTEX );
  g_pd3dDevice->DrawPrimitive( D3DPT_TRIANGLESTRIP, 0, 2 );

        m_pEffect->EndPass();
    }
 
    m_pEffect->End();
Begin 으로 열고 엔드 페스로 닫는다

// Handle operations
    STDMETHOD_(D3DXHANDLE, GetParameter)(THIS_ D3DXHANDLE hParameter, UINT Index) PURE;
    STDMETHOD_(D3DXHANDLE, GetParameterByName)(THIS_ D3DXHANDLE hParameter, LPCSTR pName) PURE;
    STDMETHOD_(D3DXHANDLE, GetParameterBySemantic)(THIS_ D3DXHANDLE hParameter, LPCSTR pSemantic) PURE;
    STDMETHOD_(D3DXHANDLE, GetParameterElement)(THIS_ D3DXHANDLE hParameter, UINT Index) PURE;
    STDMETHOD_(D3DXHANDLE, GetTechnique)(THIS_ UINT Index) PURE;
    STDMETHOD_(D3DXHANDLE, GetTechniqueByName)(THIS_ LPCSTR pName) PURE;
//핸들이 리던에 됨
    STDMETHOD_(D3DXHANDLE, GetPass)(THIS_ D3DXHANDLE hTechnique, UINT Index) PURE;
//
    STDMETHOD_(D3DXHANDLE, GetPassByName)(THIS_ D3DXHANDLE hTechnique, LPCSTR pName) PURE;
    STDMETHOD_(D3DXHANDLE, GetFunction)(THIS_ UINT Index) PURE;
    STDMETHOD_(D3DXHANDLE, GetFunctionByName)(THIS_ LPCSTR pName) PURE;
    STDMETHOD_(D3DXHANDLE, GetAnnotation)(THIS_ D3DXHANDLE hObject, UINT Index) PURE;
    STDMETHOD_(D3DXHANDLE, GetAnnotationByName)(THIS_ D3DXHANDLE hObject, LPCSTR pName) PURE;

// Get/Set Parameters
 STDMETHOD(SetValue)(THIS_ D3DXHANDLE hParameter, LPCVOID pData, UINT Bytes) PURE;
    STDMETHOD(GetValue)(THIS_ D3DXHANDLE hParameter, LPVOID pData, UINT Bytes) PURE;
//이펙트 안에 잇는 특정한 변수값을 받아 올수 없다.
    STDMETHOD(SetBool)(THIS_ D3DXHANDLE hParameter, BOOL b) PURE;
    STDMETHOD(GetBool)(THIS_ D3DXHANDLE hParameter, BOOL* pb) PURE;
    STDMETHOD(SetBoolArray)(THIS_ D3DXHANDLE hParameter, CONST BOOL* pb, UINT Count) PURE;
    STDMETHOD(GetBoolArray)(THIS_ D3DXHANDLE hParameter, BOOL* pb, UINT Count) PURE;
    STDMETHOD(SetInt)(THIS_ D3DXHANDLE hParameter, INT n) PURE;
    STDMETHOD(GetInt)(THIS_ D3DXHANDLE hParameter, INT* pn) PURE;
    STDMETHOD(SetIntArray)(THIS_ D3DXHANDLE hParameter, CONST INT* pn, UINT Count) PURE;
    STDMETHOD(GetIntArray)(THIS_ D3DXHANDLE hParameter, INT* pn, UINT Count) PURE;
    STDMETHOD(SetFloat)(THIS_ D3DXHANDLE hParameter, FLOAT f) PURE;
    STDMETHOD(GetFloat)(THIS_ D3DXHANDLE hParameter, FLOAT* pf) PURE;
    STDMETHOD(SetFloatArray)(THIS_ D3DXHANDLE hParameter, CONST FLOAT* pf, UINT Count) PURE;
    STDMETHOD(GetFloatArray)(THIS_ D3DXHANDLE hParameter, FLOAT* pf, UINT Count) PURE;
    STDMETHOD(SetVector)(THIS_ D3DXHANDLE hParameter, CONST D3DXVECTOR4* pVector) PURE;
    STDMETHOD(GetVector)(THIS_ D3DXHANDLE hParameter, D3DXVECTOR4* pVector) PURE;
    STDMETHOD(SetVectorArray)(THIS_ D3DXHANDLE hParameter, CONST D3DXVECTOR4* pVector, UINT Count) PURE;
    STDMETHOD(GetVectorArray)(THIS_ D3DXHANDLE hParameter, D3DXVECTOR4* pVector, UINT Count) PURE;
    STDMETHOD(SetMatrix)(THIS_ D3DXHANDLE hParameter, CONST D3DXMATRIX* pMatrix) PURE;
    STDMETHOD(GetMatrix)(THIS_ D3DXHANDLE hParameter, D3DXMATRIX* pMatrix) PURE;
    STDMETHOD(SetMatrixArray)(THIS_ D3DXHANDLE hParameter, CONST D3DXMATRIX* pMatrix, UINT Count) PURE;
    STDMETHOD(GetMatrixArray)(THIS_ D3DXHANDLE hParameter, D3DXMATRIX* pMatrix, UINT Count) PURE;
    STDMETHOD(SetMatrixPointerArray)(THIS_ D3DXHANDLE hParameter, CONST D3DXMATRIX** ppMatrix, UINT Count) PURE;
    STDMETHOD(GetMatrixPointerArray)(THIS_ D3DXHANDLE hParameter, D3DXMATRIX** ppMatrix, UINT Count) PURE;
    STDMETHOD(SetMatrixTranspose)(THIS_ D3DXHANDLE hParameter, CONST D3DXMATRIX* pMatrix) PURE;
    STDMETHOD(GetMatrixTranspose)(THIS_ D3DXHANDLE hParameter, D3DXMATRIX* pMatrix) PURE;
    STDMETHOD(SetMatrixTransposeArray)(THIS_ D3DXHANDLE hParameter, CONST D3DXMATRIX* pMatrix, UINT Count) PURE;
    STDMETHOD(GetMatrixTransposeArray)(THIS_ D3DXHANDLE hParameter, D3DXMATRIX* pMatrix, UINT Count) PURE;
    STDMETHOD(SetMatrixTransposePointerArray)(THIS_ D3DXHANDLE hParameter, CONST D3DXMATRIX** ppMatrix, UINT Count) PURE;
    STDMETHOD(GetMatrixTransposePointerArray)(THIS_ D3DXHANDLE hParameter, D3DXMATRIX** ppMatrix, UINT Count) PURE;
    STDMETHOD(SetString)(THIS_ D3DXHANDLE hParameter, LPCSTR pString) PURE;
    STDMETHOD(GetString)(THIS_ D3DXHANDLE hParameter, LPCSTR* ppString) PURE;
    STDMETHOD(SetTexture)(THIS_ D3DXHANDLE hParameter, LPDIRECT3DBASETEXTURE9 pTexture) PURE;
    STDMETHOD(GetTexture)(THIS_ D3DXHANDLE hParameter, LPDIRECT3DBASETEXTURE9 *ppTexture) PURE;
    STDMETHOD(GetPixelShader)(THIS_ D3DXHANDLE hParameter, LPDIRECT3DPIXELSHADER9 *ppPShader) PURE;
    STDMETHOD(GetVertexShader)(THIS_ D3DXHANDLE hParameter, LPDIRECT3DVERTEXSHADER9 *ppVShader) PURE;

    // Using current technique
    // Begin           starts active technique
    // BeginPass       begins a pass
    // CommitChanges   updates changes to any set calls in the pass. This should be called before
    //                 any DrawPrimitive call to d3d
    // EndPass         ends a pass
    // End             ends active technique
    STDMETHOD(Begin)(THIS_ UINT *pPasses, DWORD Flags) PURE;
    STDMETHOD(BeginPass)(THIS_ UINT Pass) PURE;
    STDMETHOD(CommitChanges)(THIS) PURE;
//endpass 이전에 한번씩 호출하면 좋다.
    STDMETHOD(EndPass)(THIS) PURE;
    STDMETHOD(End)(THIS) PURE;

쉐이더
버텍스 쉐이더
 LPDIRECT3DVERTEXSHADER9      m_pVertexShader;
 LPDIRECT3DVERTEXDECLARATION9 m_pVertexDeclaration;
 LPD3DXCONSTANTTABLE          m_pConstantTableVS;

 LPDIRECT3DPIXELSHADER9  m_pPixelShader;
 LPD3DXCONSTANTTABLE   m_pConstantTablePS;
//인터페이스와 같이 사용해야 한다.
    D3DVERTEXELEMENT9 declaration[] =
    {
        { 0, 0,  D3DDECLTYPE_FLOAT3,   D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0 },
        { 0, 12, D3DDECLTYPE_D3DCOLOR, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_COLOR,    0 },
        { 0, 16, D3DDECLTYPE_FLOAT2,   D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 0 },
        D3DDECL_END()
    };
//값을 성정한다.

    hr = D3DXCompileShaderFromFile( L"vertex_shader.vsh", NULL, NULL, "main",
                                    "vs_2_0", dwShaderFlags, &pCode,
                                    &pBufferErrors, &m_pConstantTableVS );
//위의 파일을 쉐이더로 컴파일한다. pCode 에 파일을 넣어준다.

    // Create the vertex shader
    g_pd3dDevice->CreateVertexShader( (DWORD*)pCode->GetBufferPointer(),
                                      &m_pVertexShader );
//위의 pcode를 가지고 쉐이더를 넣어준다.

  VertexShader = compile vs_2_0 myvs();
  PixelShader  = compile ps_2_0 myps();
//이펙트에서 쉐이더를 사용하여 컴파일한다.
//이렇게 이펙트 테크놀로지를 사용하여 쉐이더를 사용하는게 더 좋을수도 있다고함...