GTX 670 color banding help

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amogachi44

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Nov 1, 2012
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This is color banding is a game I play that I've never seen before.



I'm going to upload a picture of it also happening in Crysis 2.

Why is this happening?
Yes its set to 32 bit.
 
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HEXiT

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Mar 13, 2011
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could be a couple of reasons.
1) the bit rate of the monitor most come in 6 and 8 bit for office and enthusiasts while 10 bit is for pro image manipulation.
2) most of the time you wont see the banding if the programmers used dithering (a way of mixing 2 colurs to get a smooth graduation from 1 to the other) but a lot of games just dont bother as its way more demanding... typically you will see it used when soft shadow is used but its entirley down to the programmers skill as to how well its implemented.
3) poor drivers sometimes you will find that banding appears in some games it was never seen befor this is often down to a driver being optomized for a new game at the cost of image quality to an older 1. reason to save some space on the driver install... basically if they kept all the old optimizations the drivers would quickly grow to big to be easily downloaded.

all i can recommend is you try older/newer drivers to see if it fixes your issue
 
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HEXiT

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Mar 13, 2011
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im not sure there is an option in the nvidia panel as i use amd (theres no options for it in the ccc panel either). i had a look about and it can be made worse if your using a vga or dvi-a lead to your monitor.
switching to dvi-m may sort it but like i said if you have a 6bit tn panel there is nothing you can do apart from adjust the contrast, brightness and RGB.
 
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HEXiT

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Mar 13, 2011
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i was playin assassins creed 3 yesterday and saw a black line around my gfx. first time i noticed this but i know what it is.
its to help cut down on the antialiasing overheads. its easier to blend 2 different colours into a black border than it is to blend 2 different colours and produce a 3rd intermediate so you get less of a performance hit.
disable AA and hopefully it make the lines sharper and more defined. if this happens then its not the gfx or monitor but rather the way the games use aa.
 
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