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Anybody run 30-bit color on Linux?

post #1 of 5
Thread Starter 
Just wondering, because I've been trying to; and things are pretty broken:


The 24-bit display looks as I would expect, and most of the stuff on the 30-bit display looks fine, but as you can see; things aren't quite right.

If anybody has an nvidia GPU with the nvidia blobs you should be able to set the options in xorg.conf to make it 30-bit (Namely, changing DefaultDepth to 30 and Depth to 30.) Obviously, you'll need DisplayPort or HDMI 1.3 on the GPU and a 30-bit monitor. Curious to know if its just my configuration that breaks like this under these conditions; also note how terrible GTK is doing in this situation (firefox)
    
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post #2 of 5
I didn't even know there was such thing as 30bit colour redface.gif
post #3 of 5
I roll with good ol' 24-bit. I thought next step was 32-bit? What does 30-bit mean?
post #4 of 5
Well...I guess you have to wait for both your software and hardware to support it?

See this thread
http://www.overclock.net/t/477074/30-bit-and-48-bit-color-depth

It's in windows in know but it should cover the issue.

PS: When I tried doing that (back when they had that as a drop down menu option) I ended up with a blank screen until rebooting so you made it further than me.
     
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post #5 of 5
Thread Starter 
Quote:
Originally Posted by Rookie1337 View Post

Well...I guess you have to wait for both your software and hardware to support it?
See this thread
http://www.overclock.net/t/477074/30-bit-and-48-bit-color-depth
It's in windows in know but it should cover the issue.
PS: When I tried doing that (back when they had that as a drop down menu option) I ended up with a blank screen until rebooting so you made it further than me.

The problem is that its very specifically 30-bit on linux, 32 crashes and 48-bit isn't possible with my current hardware. My hardware supports it fine, and the software is supposed to; I found a bug report for the GTK issue, and there is an untested patch there to fix the problems. For Compiz I'll be opening a bug, and probably trying to switch to another window manager in the mean time. Emerald supports 30-bit fine, as does Chrome, and most other apps, just a few hairy ones here and there. Gimp works great, and 30-bit gradients have basically no banding to my eye, which is cool. Unfortunately the current state of things is less than usable, so I'll be waiting on it to improve.

On Windows I wouldn't even have the option of testing my 30-bit hardware capabilities because nVidia has that locked down on that os. So I guess I'll be happy that at least I have this much freedom.
    
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