http://bugs.winehq.org/show_bug.cgi?id=17919
--- Comment #6 from H. Verbeet hverbeet@gmail.com 2009-05-11 06:13:21 --- (In reply to comment #5)
Yes, it works. However, before this regression point, disabling HDR is not necessary.
Did HDR work though? The reason could simply be that the game didn't try to use this code path before. I'd certainly expect those cards to support post pixelshader blending on GL_RGBA16F_ARB targets.