[PATCH v3] win32u: Cache GL driver functions in DC.
Jacek Caban
jacek at codeweavers.com
Tue Feb 8 14:43:39 CST 2022
Hi Paul,
On 2/8/22 17:34, Paul Gofman wrote:
> + if (!(dc = grab_dc( hdc ))) return NULL;
> + physdev = GET_DC_PHYSDEV( dc, wine_get_wgl_driver );
> + ret = physdev->funcs->wine_get_wgl_driver( physdev, version );
> + InterlockedCompareExchangePointer( (void * volatile *)&dc->gl_funcs, ret, NULL );
> + put_dc( hdc );
That doesn't seem thread safe, another thread may be modifying driver
functions chain while we're reading it here.
Thanks,
Jacek
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