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Errors with d3d10

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Quote:
Error 1 error LNK2019: unresolved external symbol _D3D10CreateDeviceAndSwapChain@32 referenced in function "long __cdecl InitDevice(void)" (?InitDevice@@YAJXZ) dx.obj
Quote:
Error 2 fatal error LNK1120: 1 unresolved externals C:\Users\username\Documents\Visual Studio 2005\Projects\dx10\Debug\dx10.exe
Here is the resource.h file and dx.cpp file that I was trying to compile in visual studio. I would appreciate any comment regarding this issue.
//{{NO_DEPENDENCIES}}
// Microsoft Visual C++ generated include file.
// Used by Tutorial01.rc
//

#define IDS_APP_TITLE           103

#define IDR_MAINFRAME           128
#define IDD_TUTORIAL1_DIALOG    102
#define IDD_ABOUTBOX            103
#define IDM_ABOUT               104
#define IDM_EXIT                105
#define IDI_TUT                 107
#define IDI_SMALL               108
#define IDC_TUT b               109
#define IDC_MYICON              2
#define IDC_STATIC              -1
// Next default values for new objects
// 
#ifdef APSTUDIO_INVOKED
#ifndef APSTUDIO_READONLY_SYMBOLS

#define _APS_NO_MFC                 130
#define _APS_NEXT_RESOURCE_VALUE    129
#define _APS_NEXT_COMMAND_VALUE     32771
#define _APS_NEXT_CONTROL_VALUE     1000
#define _APS_NEXT_SYMED_VALUE       110
#endif
#endif
Quote:
<----- END OF RESOURCE FILE -------- ------Start of Tutorial01.cpp -------->
//--------------------------------------------------------------------------------------
// File: Tutorial01.cpp
//
// This application demonstrates creating a Direct3D 10 device
//
// Copyright (c) Microsoft Corporation. All rights reserved.
// This application demonstrates creating a Direct3D 10 device
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//--------------------------------------------------------------------------------------
#include <windows.h>
#include <d3d10.h>
#include <d3dx10.h>
#include "resource.h"


//--------------------------------------------------------------------------------------
// Global Variables
//--------------------------------------------------------------------------------------
HINSTANCE               g_hInst = NULL;
HWND                    g_hWnd = NULL;
D3D10_DRIVER_TYPE       g_driverType = D3D10_DRIVER_TYPE_NULL;
ID3D10Device*           g_pd3dDevice = NULL;
IDXGISwapChain*         g_pSwapChain = NULL;
ID3D10RenderTargetView* g_pRenderTargetView = NULL;


//--------------------------------------------------------------------------------------
// Forward declarations
//--------------------------------------------------------------------------------------
HRESULT             InitWindow( HINSTANCE hInstance, int nCmdShow );
HRESULT             InitDevice();
void                CleanupDevice();
LRESULT CALLBACK    WndProc(HWND, UINT, WPARAM, LPARAM);
void                Render();


//--------------------------------------------------------------------------------------
// Entry point to the program. Initializes everything and goes into a message processing 
// loop. Idle time is used to render the scene.
//--------------------------------------------------------------------------------------
int WINAPI wWinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLine, int nCmdShow )
{
    if( FAILED( InitWindow( hInstance, nCmdShow ) ) )
        return 0;

    if( FAILED( InitDevice() ) )
    {
        CleanupDevice();
        return 0;
    }

    // Main message loop
    MSG msg = {0};
    while( WM_QUIT != msg.message )
    {
        if( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) )
        {
            TranslateMessage( &msg );
            DispatchMessage( &msg );
        }
        else
        {
            Render(); 
        }
    }

    CleanupDevice();

    return (int) msg.wParam;
}


//--------------------------------------------------------------------------------------
// Register class and create window
//--------------------------------------------------------------------------------------
HRESULT InitWindow( HINSTANCE hInstance, int nCmdShow )
{
    // Register class
    WNDCLASSEX wcex;
    wcex.cbSize = sizeof(WNDCLASSEX); 
    wcex.style          = CS_HREDRAW | CS_VREDRAW;
    wcex.lpfnWndProc    = WndProc;
    wcex.cbClsExtra     = 0;
    wcex.cbWndExtra     = 0;
    wcex.hInstance      = hInstance;
    wcex.hIcon          = LoadIcon(hInstance, (LPCTSTR)IDI_TUT);
    wcex.hCursor        = LoadCursor(NULL, IDC_ARROW);
    wcex.hbrBackground  = (HBRUSH)(COLOR_WINDOW+1);
    wcex.lpszMenuName   = NULL;
    wcex.lpszClassName  = "TutorialWindowClass";
    wcex.hIconSm        = LoadIcon(wcex.hInstance, (LPCTSTR)IDI_TUT);
    if( !RegisterClassEx(&wcex) )
        return E_FAIL;

    // Create window
    g_hInst = hInstance; 
    RECT rc = { 0, 0, 640, 480 };
    AdjustWindowRect( &rc, WS_OVERLAPPEDWINDOW, FALSE );
    g_hWnd = CreateWindow( "TutorialWindowClass", "Direct3D 10 Tutorial 1: Direct3D 10 Basics", WS_OVERLAPPEDWINDOW,
                           CW_USEDEFAULT, CW_USEDEFAULT, rc.right - rc.left, rc.bottom - rc.top, NULL, NULL, hInstance, NULL);
    if( !g_hWnd )
        return E_FAIL;

    ShowWindow( g_hWnd, nCmdShow );
   
    return S_OK;
}


//--------------------------------------------------------------------------------------
// Called every time the application receives a message
//--------------------------------------------------------------------------------------
LRESULT CALLBACK WndProc( HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam )
{
    PAINTSTRUCT ps;
    HDC hdc;

    switch (message) 
    {
        case WM_PAINT:
            hdc = BeginPaint(hWnd, &ps);
            EndPaint(hWnd, &ps);
            break;

        case WM_DESTROY:
            PostQuitMessage(0);
            break;

        default:
            return DefWindowProc(hWnd, message, wParam, lParam);
    }

    return 0;
}


//--------------------------------------------------------------------------------------
// Create Direct3D device and swap chain
//--------------------------------------------------------------------------------------
HRESULT InitDevice()
{
    HRESULT hr = S_OK;	

    RECT rc;
    GetClientRect( g_hWnd, &rc );
    UINT width = rc.right - rc.left;
    UINT height = rc.bottom - rc.top;

    UINT createDeviceFlags = 0;
#ifdef _DEBUG
    createDeviceFlags |= D3D10_CREATE_DEVICE_DEBUG;
#endif

    D3D10_DRIVER_TYPE driverTypes[] = 
    {
        D3D10_DRIVER_TYPE_HARDWARE,
        D3D10_DRIVER_TYPE_REFERENCE,
    };
    UINT numDriverTypes = sizeof(driverTypes) / sizeof(driverTypes[0]);

    DXGI_SWAP_CHAIN_DESC sd;
    ZeroMemory( &sd, sizeof(sd) );
    sd.BufferCount = 1;
    sd.BufferDesc.Width = width;
    sd.BufferDesc.Height = height;
    sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
    sd.BufferDesc.RefreshRate.Numerator = 60;
    sd.BufferDesc.RefreshRate.Denominator = 1;
    sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
    sd.OutputWindow = g_hWnd;
    sd.SampleDesc.Count = 1;
    sd.SampleDesc.Quality = 0;
    sd.Windowed = TRUE;

    for( UINT driverTypeIndex = 0; driverTypeIndex < numDriverTypes; driverTypeIndex++ )
    {
        g_driverType = driverTypes[driverTypeIndex];
        hr = D3D10CreateDeviceAndSwapChain( NULL, g_driverType, NULL, createDeviceFlags, 
                                            D3D10_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice );
        if( SUCCEEDED( hr ) )
            break;
    }
    if( FAILED(hr) )
        return hr;

    // Create a render target view
    ID3D10Texture2D *pBackBuffer;
    hr = g_pSwapChain->GetBuffer( 0, __uuidof( ID3D10Texture2D ), (LPVOID*)&pBackBuffer );
    if( FAILED(hr) )
        return hr;

    hr = g_pd3dDevice->CreateRenderTargetView( pBackBuffer, NULL, &g_pRenderTargetView );
    pBackBuffer->Release();
    if( FAILED(hr) )
        return hr;

    g_pd3dDevice->OMSetRenderTargets( 1, &g_pRenderTargetView, NULL );

    // Setup the viewport
    D3D10_VIEWPORT vp;
    vp.Width = width;
    vp.Height = height;
    vp.MinDepth = 0.0f;
    vp.MaxDepth = 1.0f;
    vp.TopLeftX = 0;
    vp.TopLeftY = 0;
    g_pd3dDevice->RSSetViewports( 1, &vp );

    return S_OK;
}


//--------------------------------------------------------------------------------------
// Render the frame
//--------------------------------------------------------------------------------------
void Render()
{
    // Just clear the backbuffer
    float ClearColor[4] = { 0.0f, 0.125f, 0.3f, 1.0f }; //red,green,blue,alpha
    g_pd3dDevice->ClearRenderTargetView( g_pRenderTargetView, ClearColor );
    g_pSwapChain->Present( 0, 0 );
}


//--------------------------------------------------------------------------------------
// Clean up the objects we've created
//--------------------------------------------------------------------------------------
void CleanupDevice()
{
    if( g_pd3dDevice ) g_pd3dDevice->ClearState();

    if( g_pRenderTargetView ) g_pRenderTargetView->Release();
    if( g_pSwapChain ) g_pSwapChain->Release();
    if( g_pd3dDevice ) g_pd3dDevice->Release();
}

Any ideas?

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You should link to d3d10.lib - the option to do this is in the Project Properties dialog under Linker > Input > Additional Dependencies. An alternative is the following:
#pragma comment(lib, "d3d10.lib")
in your code somewhere.

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