Author Topic: Vsync  (Read 3740 times)

Ghost9

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Vsync
« on: March 25, 2006, 09:44:22 AM »
Whats the difference between vsync and the "sync every frame" option?

I know these console commands affect fps:
gl_ext_pointparameters
gl_swapinterval
gl_ext_swapinterval
gl_ztrick
cl_maxfps

When I switch that "sync every frame" option in the actual options menu, I can't tell what command it affects.  Can anyone help?
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Offline X'tyfe

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Re: Vsync
« Reply #1 on: March 25, 2006, 10:05:59 AM »
it effects gl_swapinterval and gl_ext_swapinterval
if you want vsync turned off, both should be set to 0

may also want to check your video card as it my stil force it :)

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Ghost9

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Re: Vsync
« Reply #2 on: March 25, 2006, 03:29:12 PM »
Ok.  What does "sync ever frame" in options do then?
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Offline X'tyfe

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Re: Vsync
« Reply #3 on: March 25, 2006, 03:37:01 PM »
it controls vsync from within the game :) turning it on turns on vsync
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Ghost9

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Re: Vsync
« Reply #4 on: March 25, 2006, 05:51:43 PM »
I figured it out.  It changes gl_finish.  It has no effect on gl_swapinterval or gl_ext_swapinterval.
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Mr._X

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Re: Vsync
« Reply #5 on: March 25, 2006, 10:35:39 PM »
NO, sync every frame will match your monitor refresh rate with the in game frames per second. this only works if first, your game fps is consistantly more than your monitor, and you experiance tearing and other visual artifacts. your game will also be somewhat smoother, since the game is in natual 'sync' with the monitor.
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Mr._X

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Re: Vsync
« Reply #6 on: April 09, 2006, 04:34:10 PM »
Quote from: [BTF]X'tyfe on March 25, 2006, 03:37:01 PM
Quote from: [BTF]X'tyfe on March 25, 2006, 03:37:01 PM
it controls vsync from within the game :) turning it on turns on vsync

False. The 'sync' in Quake2 video properties is not vsync, it's to do with input device (mouse/keyboard) sync with opengl driver.
Input device sync cvars
set gl_finish "1" //0 if no input lag
Vsync cvars
set gl_ext_swapinterval 1
set gl_swapinterval 0

http://www.savageforums.com/showpost.php?s=1aae3ad0438dca20d5a1a7bb153e936b&p=17536&postcount=3
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Offline X'tyfe

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Re: Vsync
« Reply #7 on: April 09, 2006, 04:52:17 PM »
thats what i was talking about :)
the gl_ext_swapinterval and gl_swapinterval
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Mr._X

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Re: Vsync
« Reply #8 on: April 09, 2006, 05:19:40 PM »
yeah, but the one in the menu syncs the input devices with the gl driver, NOT the moniter
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Offline naymlis

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Re: Vsync
« Reply #9 on: April 09, 2006, 07:01:21 PM »
u gotta tell him 3 times?
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Mr._X

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Re: Vsync
« Reply #10 on: April 09, 2006, 10:24:43 PM »
fffffff offf

nuff said
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