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我創建了一個非常簡單的DirectX程序來捕獲屏幕。它運作良好,我的機器上,但在分段故障(SIGSEV)以下行失敗另一臺機器上:IDirect3DDevice9 :: GetFrontBufferData失敗,出現分段錯誤
g_pd3dDevice->GetFrontBufferData(0, g_pSurface);
以下函數用於初始化的DirectX:
HRESULT InitD3D(HWND hWnd)
{
D3DDISPLAYMODE ddm;
D3DPRESENT_PARAMETERS d3dpp;
if((g_pD3D=Direct3DCreate9(D3D_SDK_VERSION))==NULL)
{
ErrorMessage("Unable to Create Direct3D ");
return E_FAIL;
}
if(FAILED(g_pD3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT,&ddm)))
{
ErrorMessage("Unable to Get Adapter Display Mode");
return E_FAIL;
}
ZeroMemory(&d3dpp,sizeof(D3DPRESENT_PARAMETERS));
d3dpp.Windowed=WINDOW_MODE;
d3dpp.Flags=D3DPRESENTFLAG_LOCKABLE_BACKBUFFER;
d3dpp.BackBufferFormat=ddm.Format;
d3dpp.BackBufferHeight=nDisplayHeight=gScreenRect.bottom =ddm.Height;
d3dpp.BackBufferWidth=nDisplayWidth=gScreenRect.right =ddm.Width;
d3dpp.MultiSampleType=D3DMULTISAMPLE_NONE;
d3dpp.SwapEffect=D3DSWAPEFFECT_DISCARD;
d3dpp.hDeviceWindow=hWnd;
d3dpp.PresentationInterval=D3DPRESENT_INTERVAL_DEFAULT;
d3dpp.FullScreen_RefreshRateInHz=D3DPRESENT_RATE_DEFAULT;
if(FAILED(g_pD3D->CreateDevice(D3DADAPTER_DEFAULT,D3DDEVTYPE_REF,hWnd,D3DCREATE_SOFTWARE_VERTEXPROCESSING ,&d3dpp,&g_pd3dDevice)))
{
ErrorMessage("Unable to Create Device");
return E_FAIL;
}
if(FAILED(g_pd3dDevice->CreateOffscreenPlainSurface(ddm.Width, ddm.Height, D3DFMT_A8R8G8B8, D3DPOOL_SYSTEMMEM, &g_pSurface, NULL)))
{
ErrorMessage("Unable to Create Surface");
return E_FAIL;
}
return S_OK;
}
任何想法,爲什麼這會引發分段錯誤?
InitD3D返回S_OK,還是會拋出錯誤消息「無法創建表面」? – NickLH
該方法返回S_OK – Erik