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FPS cut in half on Windows 7
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Topic: FPS cut in half on Windows 7 (Read 4709 times)
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dabo
Sr. Member
Posts: 260
FPS cut in half on Windows 7
«
on:
August 14, 2009, 11:49:34 pm »
Is this normal? (compared to Windows XP)
I haven't noticed anything else slow down since I switched OS.
I have an old laptop but as I wrote, nothing else is slower than on Win XP.
Has anyone else noticed any slow-downs comparing XP and 7?
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Hiura
SFML Team
Hero Member
Posts: 4321
FPS cut in half on Windows 7
«
Reply #1 on:
August 14, 2009, 11:56:56 pm »
( I don't know but : ) Did you rebuild your app / SFML ?
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SFML / OS X developer
dabo
Sr. Member
Posts: 260
FPS cut in half on Windows 7
«
Reply #2 on:
August 15, 2009, 03:28:12 am »
Yes, both. Only difference now is that I'm using version 1.5 instead of 1.3.
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Meltra Bour
Newbie
Posts: 28
FPS cut in half on Windows 7
«
Reply #3 on:
August 15, 2009, 08:12:41 am »
I noticed the same on both vista and windows 7.
I'm guessing that this is because these new versions of windows os don't have *true* opengl by default. By default everything is emulated to directX calls and that is slowing down the rendering alot ... I have no clue about other gfx cards but both nvidia and ati fixed the problem by providing true opengl support with there drivers ... I have not done any testing on how to compile/link on those os's but I'm guessing the old openGL32 thing is out now.
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dabo
Sr. Member
Posts: 260
FPS cut in half on Windows 7
«
Reply #4 on:
August 15, 2009, 02:21:06 pm »
ok, I have a crappy built-in Intel graphics chipset.
When I used win XP I also got a FPS boost while running in fullscreen mode, I don't get that anymore.
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FPS cut in half on Windows 7