This bug was fixed in the package mesa - 9.0~git20120917.7cfd42ce-
0ubuntu2
---------------
mesa (9.0~git20120917.7cfd42ce-0ubuntu2) quantal; urgency=low
* Add Recommends on libtxc-dxtn-s2tc0, required by Bastion, Psychonauts,
Amnesia and other games on Intel graphics. This package provides
patent-free s3tc texture support.
(LP: #1053029)
-- Bryce Harrington <br...@ubuntu.com> Tue, 18 Sep 2012 21:17:11 -0700
** Changed in: mesa (Ubuntu)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1053029
Title:
Please add dependency on libtxc-dxtn-s2tc0, required by various games
Status in “mesa” package in Ubuntu:
Fix Released
Bug description:
[Impact]
Various commercial games (including several from the Humble Bundle) require
s3tc texture support. However this is not available with Intel graphics due to
patent issues. Users with Intel graphics must manually install
libtxc-dxtn-s2tc0 to make the games work.
The problem is compounded if the user is on amd64 and the game in
question is 32-bit, because they then need libtxc-dxtn-s2tc0:i386, but
there is no mechanism via the GUI to install this.
[Fix]
Add Recommends on libtxc-dxtn-s2tc0 to libgl1-mesa-glx. This will pull in
the library directly on amd64 if the game is 64-bit, or will pull it in
indirectly when the 32-bit mesa is installed if the game is 32-bit.
[Test Case]
1. On an Intel graphics system install 64-bit (amd64)
2. Install one of the affected games. (E.g. Bastion, Psychonauts, Amnesia,
etc.)
3. Launch game
Expected Behavior: Game launches normally
Actual Behavior: Terminates with messages about s3tc texture support or
missing GL support, or runs but graphics are messed up (missing textures/black
surfaces.)
[Regression Potential]
None really, this merely causes one additional package to be installed that
is already available in the archive.
Perhaps if someone has the patent-encumbered libtxc_dxtn installed
this could conflict, however we do not provide that package in the
archive.
[References]
All the following are examples of users on Intel gfx / 64-bit that ran into
problems running Humble Bundle games, and reportedly solved it by installing
the libtxc-dxtn-s2tc0 package.
"So I ran some code that updated my Ubuntu Software Center to include
Bastion. But now when i try to download and install i get this error message:
Depends: libtxc-dxtn-s2tc0 but it is not going to be installed Anyone know a
fix?"
--- http://ubuntuforums.org/showthread.php?t=1992367&page=15
"When I try to load Psychonauts it crashes and this is the result I get when
running from teminal. Any help or suggestions are greatly appreciated.
ERROR: Missing required OpenGL extensions:
- GL_EXT_texture_compression_s3tc"
---
http://askubuntu.com/questions/145522/psychonauts-humble-indie-bundle-v-error
"After installing Bastion and starting it up, only it shows first a few
logos, and then only a black screen and the mouse pointer."
---
http://askubuntu.com/questions/145962/bastion-on-ubuntu-12-04-64-bit-gives-only-a-black-screen
"Amnesia just closes after I select New Game"
---
http://askubuntu.com/questions/146587/amnesia-just-closes-after-i-select-new-game
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