推荐回答(1个)
你的显卡驱动是什么时候的?
关于最近的BF2,使命2等等,大部分显卡制造商都出了最新的显卡驱动,你先下个装上看看
http://www.mydrivers.com/cgi-bin/display/
如果还是不行,就自己优化一次,方法如下:
使命的召唤2》性能优化指南
作者:ZNXF 编辑:ZNXF 2005-11-4 14:31:00
在nvnews的论坛我们发现了国外玩家写的一篇《使命的召唤2》的性能优化帖子。这名玩家使用6800GT在1024x768都跑的不顺,因此研究r_ console命令制作了优化版config文件。
研究过程中该玩家发现了两处和游戏性能相关的bug:
1.r_multigpu,默认值为0,也就是对应图象设置中的“optimise for SLI”项。即使你只有单显卡,打开这个选项(即命令r_multigpu 1)就能获得5-20%的性能提升。游戏正式版还存在这样的重大bug真是不可思议。
2.r_applypicmips。这个命令的作用就是修改贴图质量后无需vid_restart(也就是重新loading)。有趣的是使用这个命令后我们可以得到另外的5-20%性能提升,当然要让这个使用这个命令需要先修改贴图质量(picmip 0/1/2)。
基于这两点,再加上其他的性能调整命令,这名玩家制作了cod2tweakconfig包,使用方法如下:
1.打开cod2tweaks.zip(附件在下面)将里面的autoexec.cfg和tweak.cfg拷贝到Call of Duty 2\main\目录下。
2.进入游戏-option-game option,“enable console”设为“yes”。
3.load game后按“~”调出控制台,输入exec autoexec.cfg。该步骤是将autoexec.cfg的内容写入config.cfg,只需执行一次。
4.按“.”键,该键已经被绑定exec tweak.cfg,以后每次换地图后都要重复此步骤。
另外,在游戏中还可以按“,”和“/”来切换帧数显示/关闭。
下面几张截图是这名玩家优化前和优化后的画面和帧数对比。画面设置为1280x720,2xAA,4xAF,最高画质。显卡为6800GT @ 375/1100。上图为优化前下图为优化后。
hmm,优化前后画面看不出什么差别,而帧数显然提升了不少,对DirectX 7还是DirectX 9模式都适用哦,感觉cod2跑得不爽的朋友们还不赶紧试试。
另附autoexec.cfg和tweak.cfg文件内容,也可以手动创建这两个文件(新建文本文件,复制粘贴,改文件名)。
autoexec.cfg:
//this file contains variables that must be changed before the map loads, if you alter these values after map load, you must run "vid_restart" in console to enable the changes.
//You must still press . after each map load to enable the picmip fps boost contained in tweak.cfg.
//press to enable the tweak.cfg after each map load
bind . "exec tweak.cfg"
//press to enable fps meter
bind , "cg_drawFPS 1"
bind / "cg_drawFPS 0"
//saw this on the planetcod forums, unknown benefits, may reduce mid game stutter, set no higher than half total system ram.
seta com_hunkmegs "512"
//unknown, has no negative effect on fps, possible increase in places? anyone willing to research this, thanks.
seta r_autopriority "1"
//anisotropy level, default is 8, personal preference, i find 4 gives noticeably better performance for little IQ loss.
seta r_anisotropy "4"
//Not too sure, i think it's for antialiasing alpha channel in textures, eg sprites for smoke etc. 0 is off, 1 is fast dither, 2 is supersampling. 0 and 1 perform equally.
//if you have performance to spare, try running on 2, you lose ~1fps when i tested it briefly, but i could not see an IQ difference from 1.
seta r_aaAlpha "1"
//fixes broken default r_gpusync 3 slowdown. Leaving multigpu at 0 and setting gpusynch to 0 achieves the same fps boost, however this will break things for sli users.
//There is no performance loss running multigpu 1 on a single gpu. Improves minimum fps by 5-20%, depending on what you're looking at ingame.
seta r_multigpu "1"
tweak.cfg:
//3 commands to fix the picmip bug related fps loss, change last picmip value to your preferred detail level, (look in config.cfg for value).
//Also increases framerate noticeably, 5-15% depending on scene.
r_picmip "2"
r_applyPicmip
r_picmip "0"
r_applyPicmip
//zfeather value (soften smoke edges), 0 disables for better performance, 1 enables. disabling (0) improves framerate by 5-20% when smoke is visible onscreen.
//speed benefits of disabling largely depends on how close you get to the smoke. Ditto for IQ benefits if enabled.
//couldn't locate the command controlling world/everything option, you must set that in the graphics menu first. "World only" is recommended IQ/speed tradeoff.
//set to 1 here despite the fps boost - you will notice the lines of smoke edges ingame otherwise.
r_zfeather "1"[COLOR=crimson][SIZE=4]
优化后,游戏运行没有任何问题,请放心使用。我有5~6个朋友都试了,都运行正常。请放心使用!!!
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