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 Forum index » House Training » Users ( For the regulars )
Should I enable composite extension in Puppy 214X?
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clarf


Joined: 13 Jun 2007
Posts: 612
Location: The old Lone Wolf

PostPosted: Wed 23 Dec 2009, 11:07    Post subject:  Should I enable composite extension in Puppy 214X?
Subject description: Should I enable permanenetly composite extension in Puppy 214X?
 

Good Morning and best wishes for everybody,

I´m using Puppy 214X RC-1 and noticed that composite extension is disabled by default, I can enable it adding the following code to xorg.conf:


Code:
Section "Extensions"
Option "Composite" "Enable"
EndSection



When composite extension is enabled I can use transparency effects via xcommpmgr, but I also noticed that using xcompmgr in 214x turns Puppy very slow (it has Xorg 7.0), if I use xcompmgr in dpup or newer Puppys I don´t see any performance degradation using the same test system. I think that composite extension support have been improved in latest Xorg versions.

I searched around and found the following options to speed it up:

For NVIDIA cards, add the Device section in X config file:
Code:
Option        "RenderAccel" "true"



For ATI cards:
Code:
Option        "backingstore" "true"



and for both cards:
Code:
Option        "AllowGLXWithComposite" "true"



There are other options available that I tried, anyway if I enable composite and use xcompmgr Puppy 214X runs slow.

I want to know if permanently enable Composite Extension could produce any other problems, using or not using xcompmgr.

Is there any report about Flash Plug-in crashing in Firefox using composite extension?. I don´t have any problem with Firefox in my machine but I found some notes about composite problems with Mozilla. Is that issue solved in latest Puppy+Mozilla versions?.

http://lists.x.org/archives/xorg/2004-August/002300.html

https://bugs.launchpad.net/firefox/+bug/14911


Should I enable permanently composite extension for 214X?. I want to keep 214X bug free and keep support for old hardware.

clarf

P.D: A merry Christmas and A happy New Year to everybody
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clarf


Joined: 13 Jun 2007
Posts: 612
Location: The old Lone Wolf

PostPosted: Thu 23 Dec 2010, 23:13    Post subject:  

Well, one year has passed and I didn´t get any reply.

I must suppose that there are no reports about composite extension problems using Mozilla/Puppy, I didn´t have any problem playing Flash videos on Firefox so it´s seems fail save to enable composite extension by default in 214X.

I tested the backingstore option on a ATI Radeon card and inside a VMware Virtual machine (It´s supposed to work on Nvidia cards too), it was loaded in both systems accelerating transparency renderization and seems to work without problems, or at least doesn´t add any problem. Then, it´s should be added by default in the "Device" section of xorg.conf file:

Code:

Option "BackingStore" "true"


To validate if the new option is loaded the /var/log/Xorg.log must be checked. It should show sometime like:

Code:
(**) RADEON(0): Option "BackingStore" "True"
(**) RADEON(0): Backing store enabled


Greetings,
clarf
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ttuuxxx


Joined: 05 May 2007
Posts: 10730
Location: Ontario Canada,Sydney Australia

PostPosted: Sun 15 Apr 2012, 07:50    Post subject:  

hi clarf it the first time I've seen this post Smile lol If you send me a updated xorg.conf I don't see any reason why we couldn't update it Smile
take care
ttuuxxx

_________________
http://audio.online-convert.com/ <-- excellent site
http://samples.mplayerhq.hu/A-codecs/ <-- Codec Test Files
http://html5games.com/ <-- excellent HTML5 games Smile

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Aitch


Joined: 04 Apr 2007
Posts: 6825
Location: Chatham, Kent, UK

PostPosted: Sun 15 Apr 2012, 21:38    Post subject:  

Hi ttuuxxx

I'd been asking about you...

http://www.murga-linux.com/puppy/viewtopic.php?t=77561

Aitch Smile
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