source: vbox/trunk/src/VBox/Additions/WINNT/Graphics/Wine/switcher/sw_common.c@ 20312

/* $Id: sw_common.c 20312 2009-06-05 10:47:35Z vboxsync $ */

/** @file
 * VBox D3D8/9 dll switcher
 */

/*
 * Copyright (C) 2009 Sun Microsystems, Inc.
 *
 * Sun Microsystems, Inc. confidential
 * All rights reserved
 */

#include <windows.h>
#include "switcher.h"

static char* gsBlackList[] = {"Dwm.exe"/*, "taskeng.exe"*/, NULL};

/* Checks if 3D is enabled for VM and it works on host machine */
BOOL isVBox3DEnabled(void)
{
    DrvValidateVersionProc pDrvValidateVersion;
    HANDLE hDLL;
    BOOL result = FALSE;

    hDLL = LoadLibrary("VBoxOGL.dll");

    /* note: this isn't really needed as our library will refuse to load if it can't connect to host.
       so it's in case we'd change it one day.
    */
    pDrvValidateVersion = (DrvValidateVersionProc) GetProcAddress(hDLL, "DrvValidateVersion");
    if (pDrvValidateVersion)
    {
        result = pDrvValidateVersion(0);
    }
    FreeLibrary(hDLL);
    return result;
}

BOOL checkOptions(void)
{
    char name[1000];
    char *filename = name, *pName;
    int i;

        if (!GetModuleFileName(NULL, name, 1000))
                return TRUE;

    /*Extract filename*/
    for (pName=name; *pName; ++pName)
    {
        switch (*pName)
        {
            case ':':
            case '\\':
            case '/':
                filename = pName + 1;
                break;
        }
    }

    for (i=0; gsBlackList[i]; ++i)
    {
        if (!strcmp(filename, gsBlackList[i]))
            return FALSE;
    }

    return TRUE;
}

void InitD3DExports(const char *vboxName, const char *msName)
{
    const char *dllName;
    HANDLE hDLL;

    if (isVBox3DEnabled() && checkOptions())
    {
        dllName = vboxName;
    } else
    {
        dllName = msName;
    }

    hDLL = LoadLibrary(dllName);
    FillD3DExports(hDLL); 
}