gdientry.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

        {
            pDDSurfaceCallbacks->UpdateOverlay = DdUpdateOverlay;
        }
        if (Flags & DDHAL_SURFCB32_SETOVERLAYPOSITION)
        {
            pDDSurfaceCallbacks->SetOverlayPosition = DdSetOverlayPosition;
        }
        if (Flags & DDHAL_SURFCB32_ADDATTACHEDSURFACE)
        {
            pDDSurfaceCallbacks->AddAttachedSurface = DdAddAttachedSurface;
        }
    }

    /* Check for DD Palette Callbacks */
    if (pDDPaletteCallbacks)
    {
        /* Zero the struct */
        RtlZeroMemory(pDDPaletteCallbacks, sizeof(DDHAL_DDPALETTECALLBACKS));

        /* Get the flags for this one */
        Flags = CallbackFlags[2];

        /* Write the header */
        pDDPaletteCallbacks->dwSize  = sizeof(DDHAL_DDPALETTECALLBACKS);
        pDDPaletteCallbacks->dwFlags = Flags;
    }

    /* Check for D3D Callbacks */
    if (pD3dCallbacks)
    {
        /* Zero the struct */
        RtlZeroMemory(pD3dCallbacks, sizeof(D3DHAL_CALLBACKS));

        /* Check if we have one */
        if (D3dCallbacks.dwSize)
        {
            /* Write the header */
            pD3dCallbacks->dwSize  = sizeof(D3DHAL_CALLBACKS);

            /* Now check for each callback */
            if (D3dCallbacks.ContextCreate)
            {
                /* FIXME
                 pD3dCallbacks->ContextCreate = D3dContextCreate; 
                 */
            }
            if (D3dCallbacks.ContextDestroy)
            {
                pD3dCallbacks->ContextDestroy = (LPD3DHAL_CONTEXTDESTROYCB) NtGdiD3dContextDestroy;
            }
            if (D3dCallbacks.ContextDestroyAll)
            {
                /* FIXME 
                pD3dCallbacks->ContextDestroyAll = (LPD3DHAL_CONTEXTDESTROYALLCB) NtGdiD3dContextDestroyAll;
                */
            }
        }
    }

    /* Check for D3D Driver Data */
    if (pD3dDriverData)
    {
        /* Copy the struct */
        RtlMoveMemory(pD3dDriverData,
                      &D3dDriverData,
                      sizeof(D3DHAL_GLOBALDRIVERDATA));

        /* Write the pointer to the texture formats */
        pD3dDriverData->lpTextureFormats = pD3dTextureFormats;
    }

    /* FIXME: Check for D3D Buffer Callbacks */

  return TRUE;
}

/*
 * @implemented
 *
 * GDIEntry 3
 */
BOOL 
WINAPI
DdDeleteDirectDrawObject(LPDDRAWI_DIRECTDRAW_GBL pDirectDrawGlobal)
{
    BOOL Return = FALSE;

    /* If this is the global object */
    if(pDirectDrawGlobal->hDD)
    {
        /* Free it */
        Return = NtGdiDdDeleteDirectDrawObject((HANDLE)pDirectDrawGlobal->hDD);
        if (Return == TRUE)
        {
            pDirectDrawGlobal->hDD = 0;
        }
    }
    else if (ghDirectDraw)
    {
        /* Always success here */
        Return = TRUE;

        /* Make sure this is the last instance */
        if (!(--gcDirectDraw))
        {
            /* Delete the object */
            Return = NtGdiDdDeleteDirectDrawObject(ghDirectDraw);
            if (Return == TRUE)
            {
                ghDirectDraw = 0;
            }
        }
    }

    /* Return */
    return Return;
}

/*
 * @implemented
 *
 * GDIEntry 4
 */
BOOL 
WINAPI 
DdCreateSurfaceObject( LPDDRAWI_DDRAWSURFACE_LCL pSurfaceLocal,
                       BOOL bPrimarySurface)
{
	return bDDCreateSurface(pSurfaceLocal, TRUE);
    //return bDdCreateSurfaceObject(pSurfaceLocal, TRUE);
}


/*
 * @implemented
 *
 * GDIEntry 5
 */
BOOL 
WINAPI 
DdDeleteSurfaceObject(LPDDRAWI_DDRAWSURFACE_LCL pSurfaceLocal)
{
    BOOL Return = FALSE;

    /* Make sure there is one */
    if (pSurfaceLocal->hDDSurface)
    {
        /* Delete it */
        Return = NtGdiDdDeleteSurfaceObject((HANDLE)pSurfaceLocal->hDDSurface);
        pSurfaceLocal->hDDSurface = 0;
    }

    return Return;
}

/*
 * @implemented
 *
 * GDIEntry 6
 */
BOOL 
WINAPI 
DdResetVisrgn(LPDDRAWI_DDRAWSURFACE_LCL pSurfaceLocal, 
              HWND hWnd)
{
    /* Call win32k directly */
    return NtGdiDdResetVisrgn((HANDLE) pSurfaceLocal->hDDSurface, hWnd);
}

/*
 * @implemented
 *
 * GDIEntry 7
 */
HDC
WINAPI
DdGetDC(LPDDRAWI_DDRAWSURFACE_LCL pSurfaceLocal,
        LPPALETTEENTRY pColorTable)
{
    /* Call win32k directly */
    return NtGdiDdGetDC(pColorTable, (HANDLE) pSurfaceLocal->hDDSurface);
}

/*
 * @implemented
 *
 * GDIEntry 8
 */
BOOL
WINAPI
DdReleaseDC(LPDDRAWI_DDRAWSURFACE_LCL pSurfaceLocal)
{
    /* Call win32k directly */
    return NtGdiDdReleaseDC((HANDLE) pSurfaceLocal->hDDSurface);
}

/*
 * @unimplemented
 * GDIEntry 9
 */
HBITMAP
STDCALL
DdCreateDIBSection(HDC hdc,
                   CONST BITMAPINFO *pbmi,
                   UINT iUsage,
                   VOID **ppvBits,
                   HANDLE hSectionApp,
                   DWORD dwOffset)
{
	SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
	return 0;
}

/*
 * @implemented
 *
 * GDIEntry 10
 */
BOOL 
WINAPI 
DdReenableDirectDrawObject(LPDDRAWI_DIRECTDRAW_GBL pDirectDrawGlobal,
                           BOOL *pbNewMode)
{
    /* Call win32k directly */
    return NtGdiDdReenableDirectDrawObject(GetDdHandle(pDirectDrawGlobal->hDD),
                                           pbNewMode);
} 


/*
 * @implemented
 *
 * GDIEntry 11
 */
BOOL 
STDCALL 
DdAttachSurface( LPDDRAWI_DDRAWSURFACE_LCL pSurfaceFrom,
                 LPDDRAWI_DDRAWSURFACE_LCL pSurfaceTo)
{
    /* Create Surface if it does not exits one */
    if (pSurfaceFrom->hDDSurface)
    {
        if (!bDDCreateSurface(pSurfaceFrom, FALSE))
        {
            return FALSE;
        }
    }

    /* Create Surface if it does not exits one */
    if (pSurfaceTo->hDDSurface)
    {
        if (!bDDCreateSurface(pSurfaceTo, FALSE))
        {
            return FALSE;
        }
    }

    /* Call win32k */
    return NtGdiDdAttachSurface((HANDLE)pSurfaceFrom->hDDSurface,
                                (HANDLE)pSurfaceTo->hDDSurface);
}

/*
 * @implemented
 *
 * GDIEntry 12
 */
VOID
STDCALL
DdUnattachSurface(LPDDRAWI_DDRAWSURFACE_LCL pSurface,
                  LPDDRAWI_DDRAWSURFACE_LCL pSurfaceAttached)
{
    /* Call win32k */
    NtGdiDdUnattachSurface((HANDLE)pSurface->hDDSurface,
                           (HANDLE)pSurfaceAttached->hDDSurface);
}

/*
 * @implemented
 *
 * GDIEntry 13
 */
ULONG
STDCALL 
DdQueryDisplaySettingsUniqueness()
{
 return RemberDdQueryDisplaySettingsUniquenessID;
}

/*
 * @implemented
 *
 * GDIEntry 14
 */
HANDLE 
WINAPI 
DdGetDxHandle(LPDDRAWI_DIRECTDRAW_LCL pDDraw,
              LPDDRAWI_DDRAWSURFACE_LCL pSurface,
              BOOL bRelease)
{
    HANDLE hDD = NULL;
    HANDLE hSurface = (HANDLE)pSurface->hDDSurface;

    /* Check if we already have a surface */
    if (!pSurface)
    {
        /* We don't have one, use the DirectDraw Object handle instead */
        hSurface = NULL;
        hDD = GetDdHandle(pDDraw->lpGbl->hDD);
     }

    /* Call the API */
    return (HANDLE)NtGdiDdGetDxHandle(hDD, hSurface, bRelease);
}

/*
 * @implemented
 *
 * GDIEntry 15
 */
BOOL
WINAPI
DdSetGammaRamp(LPDDRAWI_DIRECTDRAW_LCL pDDraw,
               HDC hdc,
               LPVOID lpGammaRamp)
{
    /* Call win32k directly */
    return NtGdiDdSetGammaRamp(GetDdHandle(pDDraw->lpGbl->hDD),
                               hdc,
                               lpGammaRamp);
}
/*
 * @implemented
 *
 * GDIEntry 16
 */
DWORD
WINAPI
DdSwapTextureHandles(LPDDRAWI_DIRECTDRAW_LCL pDDraw,
                     LPDDRAWI_DDRAWSURFACE_LCL pDDSLcl1,
                     LPDDRAWI_DDRAWSURFACE_LCL pDDSLcl2)
{
    /* Always returns success */
    return TRUE;
}