proof 发表于 2020-12-17 16:45:37

DirectX 8.0 源码报错

学一本书《Direct3D中的2D编程》，书中只写理论，没有实验操作步骤。
第一章第一节的源码，就没有通过。

实验配置：
Windows7、DX8_SDK
Cfree5.0，设置了Include和Library目录。源码未通过。
VC++6.0，设置了Include和Library目录。源码未通过。

网上看到DX9相关参考：
“第二步：添加链接所需的库文件，如dxguid.lib、d3d9.lib、d3dx9.lib等，……”

不知是否因为缺少这一步骤？针对DX8和本源码，该如何设置？

//Example1_1
//main.cpp
//Ernest Pazera
//04OCT2001
//TGO-01-C
//Libs: d3d8.lib

#include <windows.h>    //include windows stuff
#include <stdio.h>      //standard input/output
#include "D3D8.h"    //include direct3d8 stuff

//constants
    //window class name
    const char* WINDOWCLASS = "3D42DGP" ;
    //window title
    const char* WINDOWTITLE = "Example 1.1 (TGO-01-C): Creating and Destroying an IDirect3D8 object" ;

//globals
    //instance handle
    HINSTANCE g_hInstance = NULL ;
    //window handle
    HWND g_hWnd = NULL ;
    //IDirect3D8 pointer
    IDirect3D8* g_pd3d = NULL ;

//function prototypes
    //winmain
    int WINAPI WinMain ( HINSTANCE hInstance , HINSTANCE hPrevInstance , LPSTR lpCmdLine , int nShowCmd ) ;
    //window procedure
    LRESULT CALLBACK TheWindowProc ( HWND hWnd , UINT uMsg , WPARAM wParam , LPARAM lParam ) ;
    //initialization
    void Prog_Init ( ) ;
    //clean up
    void Prog_Done ( ) ;


//window procedure
LRESULT CALLBACK TheWindowProc ( HWND hWnd , UINT uMsg , WPARAM wParam , LPARAM lParam )
{
    //which message did we get?
    switch ( uMsg )
    {
    case WM_DESTROY : //window being destroyed
      {
            //quit

            PostQuitMessage ( 0 ) ;

            //message handled, return 0

            return ( 0 ) ;

      } break ;
    default://all other messages, send to default handler
      return ( DefWindowProc ( hWnd , uMsg , wParam , lParam ) ) ;
    }
}

//winmain
int WINAPI WinMain ( HINSTANCE hInstance , HINSTANCE hPrevInstance , LPSTR lpCmdLine , int nShowCmd )
{
    //grab instance handle
    g_hInstance = hInstance ;

    //redirect stderr and stdout output
    freopen ( "stderr.txt" , "w" , stderr ) ;
    freopen ( "stdout.txt" , "w" , stdout ) ;

    //fill in window class
    WNDCLASSEX wc ;
    wc.cbClsExtra = 0 ;    //no extra class information
    wc.cbSize = sizeof ( WNDCLASSEX ) ; //size of structure
    wc.cbWndExtra = 0 ;    //no extra window information
    wc.hbrBackground = ( HBRUSH ) GetStockObject ( BLACK_BRUSH ) ;    //black brush
    wc.hCursor = NULL ;    //no cursor
    wc.hIcon = NULL ;    //no icon
    wc.hIconSm = NULL ;    //no small icon
    wc.hInstance = g_hInstance ;    //instance handle
    wc.lpfnWndProc = TheWindowProc ;    //window procedure
    wc.lpszClassName = WINDOWCLASS ;    //name of class
    wc.lpszMenuName = NULL ;    //no menu
    wc.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS | CS_OWNDC ;    //class styles

    //register window class
    RegisterClassEx ( &wc ) ;

    //create window
    g_hWnd = CreateWindowEx ( 0 , WINDOWCLASS , WINDOWTITLE , WS_OVERLAPPEDWINDOW , 0 , 0 , 320 , 240 , NULL , NULL , g_hInstance , NULL ) ;

    //show the window
    ShowWindow ( g_hWnd , nShowCmd ) ;

    //initialization
    Prog_Init ( ) ;

    MSG msg ;
    //message pump
    for ( ; ; )
    {
      //check for a message
      if ( PeekMessage( &msg , NULL , 0 , 0 , PM_REMOVE ) )
      {
            //message exists

            //check for quit message
            if ( msg.message == WM_QUIT ) break ;

            //translate the message
            TranslateMessage ( &msg ) ;

            //dispatch the message
            DispatchMessage ( &msg ) ;
      }
    }

    //clean up
    Prog_Done ( ) ;

    //exit
    return ( msg.wParam ) ;
}

//initialization
void Prog_Init ( )
{
    //create the IDirect3D8 object
    g_pd3d = Direct3DCreate8 ( D3D_SDK_VERSION ) ;

    //error check
    if ( g_pd3d )
    {
      //success
      fprintf ( stdout , "IDirect3D8 object created successfully.\n" ) ;
    }
    else
    {
      //failure
      fprintf ( stderr , "IDirect3D8 object creation failed.\n" ) ;
    }
}

//clean up
void Prog_Done ( )
{
    //safe release of IDirect3D8 object
    if ( g_pd3d )
    {
      //release
      g_pd3d->Release ( ) ;

      //set to null
      g_pd3d = NULL ;

      //report action
      fprintf ( stdout , "IDirect3D8 object released.\n" ) ;
    }
}

xieglt 发表于 2020-12-18 08:59:31

错误信息呢？

xieglt 发表于 2020-12-18 09:05:21

如果是链接错误，请指定链接库文件

#pragma comment(lib,"D3D8.lib")
#pragma comment(lib,"D3DX8.lib")

proof 发表于 2020-12-18 10:56:57

xieglt 发表于 2020-12-18 08:59
错误信息呢？

CFree5.0报错信息：

--------------------配置: mingw5 - GUI Debug, 编译器类型: MinGW--------------------

检查文件依赖性...
正在连接...
E:\Direct2D\chap01\Example01_1\main.cpp:127: undefined reference to `Direct3DCreate8@4'
collect2: ld returned 1 exit status

构建中止 main: 2 个错误, 0 个警告

xieglt 发表于 2020-12-18 12:03:44

如果是链接错误，请指定链接库文件


#pragma comment(lib,"D3D8.lib")
#pragma comment(lib,"D3DX8.lib")
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