D3DFORMAT format=D3DFMT_A8R8G8B8;//D3DFMT_R5G6B5; 
	
	//IDirect3DDevice9 *d3dDevice=NULL;
	HRESULT hResult;

    //met à zéro tout les champs du pointeur sur structure
    ZeroMemory(&presentParameters,sizeof(D3DPRESENT_PARAMETERS));

	presentParameters.BackBufferCount= 1;  //We only need a single back buffer
    presentParameters.MultiSampleType=D3DMULTISAMPLE_NONE; //No multi-sampling
    presentParameters.MultiSampleQuality=0;                //No multi-sampling
    presentParameters.SwapEffect = D3DSWAPEFFECT_DISCARD;  // Throw away previous frames, we don't need them
	presentParameters.hDeviceWindow = *hWndD3d;  //This is our main (and only) window
    presentParameters.Flags=0;            //No flags to set
    presentParameters.FullScreen_RefreshRateInHz=D3DPRESENT_RATE_DEFAULT ;// D3DPRESENT_RATE_DEFAULT; //Default Refresh Rate
    presentParameters.PresentationInterval=D3DPRESENT_INTERVAL_IMMEDIATE; // D3DPRESENT_INTERVAL_DEFAULT; limite le frame rate au refresh rate
    presentParameters.BackBufferFormat=format;   

direct3dApp::direct3dApp()
{
	D3dDevice=NULL;
	myIDirect3DDevice9=NULL ;
	D3dDevice = Direct3DCreate9(D3D_SDK_VERSION);
	myFVF=D3DFVF_XYZRHW|D3DFVF_DIFFUSE;
	VBpointer=NULL ;

	vertexData[0].x=200.0f ;
	vertexData[0].y=200.0f ;
	vertexData[0].z=1.0f ;
	vertexData[0].rhw=1.0f ;
	vertexData[0].color=0x00EE0000 ;

	vertexData[1].x=400.0f ;
	vertexData[1].y=200.0f ;
	vertexData[1].z=1.0f ;
	vertexData[1].rhw=1.0f ;
	vertexData[1].color=0x0000EE00 ;

	vertexData[2].x=300.0f ;
	vertexData[2].y=400.0f ;
	vertexData[2].z=1.0f ;
	vertexData[2].rhw=1.0f ;
	vertexData[2].color=0x000000EE ;

void direct3dApp::init(){	void *vbContent;	void *ibContent;	myIDirect3DDevice9->CreateVertexBuffer(3*sizeof(vertexStruct),                                       D3DUSAGE_WRITEONLY,//paramètre le plus performant                                       myFVF,                                       D3DPOOL_MANAGED,   //"fond commun"                                       &VBpointer,        //pointer to vb                                       NULL);     	VBpointer->Lock(0, 0, &vbContent, 0);//Locks a range of vertex data and obtains a pointer to the vertex buffer memory				memcpy(vbContent, //Destination			   vertexData,        //Source               3*sizeof(vertexStruct)); //Amount of data to copy	VBpointer->Unlock() ;		long int tabIndices[]={1, 2, 3};		myIDirect3DDevice9->CreateIndexBuffer(sizeof(tabIndices), D3DUSAGE_WRITEONLY, D3DFMT_INDEX32, 										  D3DPOOL_MANAGED, &IBpointer, NULL) ;	IBpointer->Lock(0, 0, &ibContent, 0);		memcpy(ibContent, tabIndices, sizeof(tabIndices) );	IBpointer->Unlock() ;	makeViewMatrix() ;	makeProjectionMatrix() ;	makeWorldMatrix() ;}

void direct3dApp::rendering(){	/*if(myIDirect3DDevice9 != NULL)     { */		//MessageBox(NULL, "toto", NULL, NULL);	//const void *data = vertexData;	myIDirect3DDevice9->Clear(0,  //Number of rectangles to clear, we're clearing everything so set it to 0                          NULL, //Pointer to the rectangles to clear, NULL to clear whole display                          D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER|D3DCLEAR_STENCIL, //What to clear.  We don't have a Z Buffer or Stencil Buffer                          D3DCOLOR_ARGB(0, 0, 0, 255),                          1.0f,  //Value to clear ZBuffer to, doesn't matter since we don't have one                          0 );					myIDirect3DDevice9->BeginScene() ;					myIDirect3DDevice9->SetStreamSource(0,                   //StreamNumber                                 VBpointer,           //StreamData                                 0,                   //OffsetInBytes                                 sizeof(vertexStruct)); //Stride 		myIDirect3DDevice9->SetFVF(myFVF);		myIDirect3DDevice9->SetIndices(IBpointer);		myIDirect3DDevice9->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, //PrimitiveType                               0, 0, 3, 0,                               1);      //PrimitiveCount			/*myIDirect3DDevice9->DrawPrimitiveUP(D3DPT_TRIANGLELIST,        //PrimitiveType												1,                //PrimitiveCount												data,                   //pVertexStreamZeroData												sizeof(vertexStruct));  //VertexStreamZeroStride*/