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[Bug 1167321] Re: [12.04 only] Allow Mesa 9.0.x point releases to have unredirection

To: compiz@xxxxxxxxxxxxxxxxxxx
From: Timo Jyrinki <timo.jyrinki@xxxxxxxxxxxxx>
Date: Wed, 10 Apr 2013 13:08:23 -0000
Reply-to: Bug 1167321 <1167321@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: compiz (Ubuntu)
Milestone: None => precise-updates

** Description changed:

- This only affects 12.04 (precise). We currently have the following
- blacklist string regarding unredirection on 12.04: (nouveau|Intel).*Mesa
- (8.0|9.0). The '9.0' was added because an user had x-updates PPA enabled
- only, not the rest of the 12.04.2 (LTS-Q) stack, and on that
- unredirection of fullscreen windows didn't work.
+ This only affects 12.04(.2) (precise). It's continuation of bug
+ #1063690, so same SRU information applies:

- We now have Mesa 9.0 point releases in precise, so the strings would
- differ now even from x-updates PPA. As an example:
+ [Impact]
+
+ Lower than optimal fullscreen applications performance, especially
+ games.
+
+ [Test Case]
+
+ Benchmark a game with for example phoronix-test-suite /
+ pts/openarena-1.5.0 - the default settings after this bug fix should
+ give equal performance to what previously required manually enabling the
+ compiz unredirect fullscreen windows option.
+
+ [Regression Potential]
+
+ The feature has been tested for the last few months, and all known regressions have been fixed. The potential regressions lie in for example exiting a fullscreen application.
+ This setting is already the default in Ubuntu 12.10 - the stack that 12.04.2 is now identical to. It's also already default on 12.04.2 on radeon, fglrx and nvidia.
+
+ ---
+
+ We currently have the following blacklist string regarding unredirection
+ on 12.04: (nouveau|Intel).*Mesa (8.0|9.0). The '9.0' was added because
+ an user had x-updates PPA enabled only, not the rest of the 12.04.2
+ (LTS-Q) stack, and on that unredirection of fullscreen windows didn't
+ work.
+
+ We now have Mesa 9.0 point releases in precise, so the strings compared
+ for blacklisting would differ now even from x-updates PPA. As an
+ example:

up-to-date 12.04.2:
OpenGL vendor string: Intel Open Source Technology Center
- OpenGL renderer string: Mesa DRI Intel(R) 965GM
+ OpenGL renderer string: Mesa DRI Intel(R) 965GM
OpenGL version string: 2.1 Mesa 9.0.3
OpenGL shading language version string: 1.20

original 12.04 stack + x-updates:
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) 965GM x86/MMX/SSE2
OpenGL version string: 2.1 Mesa 9.0
OpenGL shading language version string: 1.20

It'd be wanted that Mesa 9.0.x would not be blacklisted anymore on Intel
- and Nouveau, but original 9.0 could remain blacklisted.
+ and Nouveau, but original 9.0 (and 8.0*) could remain blacklisted.

** Description changed:

This only affects 12.04(.2) (precise). It's continuation of bug
- #1063690, so same SRU information applies:
+ #1063690, so mostly the same SRU information applies:

[Impact]

Lower than optimal fullscreen applications performance, especially
games.

[Test Case]

Benchmark a game with for example phoronix-test-suite /
pts/openarena-1.5.0 - the default settings after this bug fix should
give equal performance to what previously required manually enabling the
compiz unredirect fullscreen windows option.

[Regression Potential]

The feature has been tested for the last few months, and all known regressions have been fixed. The potential regressions lie in for example exiting a fullscreen application.
This setting is already the default in Ubuntu 12.10 - the stack that 12.04.2 is now identical to. It's also already default on 12.04.2 on radeon, fglrx and nvidia.

---

We currently have the following blacklist string regarding unredirection
on 12.04: (nouveau|Intel).*Mesa (8.0|9.0). The '9.0' was added because
an user had x-updates PPA enabled only, not the rest of the 12.04.2
(LTS-Q) stack, and on that unredirection of fullscreen windows didn't
work.

We now have Mesa 9.0 point releases in precise, so the strings compared
for blacklisting would differ now even from x-updates PPA. As an
example:

up-to-date 12.04.2:
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) 965GM
OpenGL version string: 2.1 Mesa 9.0.3
OpenGL shading language version string: 1.20

It'd be wanted that Mesa 9.0.x would not be blacklisted anymore on Intel
and Nouveau, but original 9.0 (and 8.0*) could remain blacklisted.

** Description changed:

This only affects 12.04(.2) (precise). It's continuation of bug
#1063690, so mostly the same SRU information applies:

[Impact]

Lower than optimal fullscreen applications performance, especially
- games.
+ games, on intel and nouveau.

[Test Case]

[Regression Potential]

---

We now have Mesa 9.0 point releases in precise, so the strings compared
for blacklisting would differ now even from x-updates PPA. As an
example:

It'd be wanted that Mesa 9.0.x would not be blacklisted anymore on Intel
and Nouveau, but original 9.0 (and 8.0*) could remain blacklisted.

** Summary changed:

- [12.04 only] Allow Mesa 9.0.x point releases to have unredirection
+ [12.04 only] Allow Mesa 9.0.x point releases to have unredirection enabled also on intel and nouveau

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https://bugs.launchpad.net/bugs/1167321

Title:
[12.04 only] Allow Mesa 9.0.x point releases to have unredirection
enabled also on intel and nouveau

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References

[Bug 1167321] [NEW] [12.04 only] Allow Mesa 9.0.x point releases to have unredirection
From: Timo Jyrinki, 2013-04-10