[squeak-dev] Fwd: FogBugz (Case [Issue]13154) Pharo VM - BitBlt bug in alphaSourceBlendBits8

Nicolai Hess nicolaihess at web.de
Mon Mar 31 21:58:56 UTC 2014


Thank you Nicolas,
I verified the fix, it works.

I took nicolas' change and build a windows pharo vm. changing the bit depth
to 8bit littleendian (-8) works now.

But there are two more issues (not related to this fix).
1. Changing Display depth to 4/8/16 shows horrible rendering artifacts
   (those do not occur on squeak)
2. Since refactoring some parts out of DisplayScreen into MorphicUIManager
you
can not change the depth from -XX to XX
Display newDepth:8
has no effect if current display depth is -8.
(This happens on squeak too, verified in Squeak 4.4/Squeak 4.5).


BTW found this change for alphaSourceBlendBits8 its way into squeaks vm?
I took the lates 4.5 allinone and the bug is still there.

regards

Nicolai




---------- Forwarded message ----------
From: Pharo Issue Tracker <do-not-reply at pharo.fogbugz.com>
Date: 2014-03-30 15:49 GMT+02:00
Subject: FogBugz (Case [Issue]13154) Pharo VM - BitBlt bug in
alphaSourceBlendBits8
To: "nicolaihess at web.de" <nicolaihess at web.de>


     [image: avatar]
*Ulysse The Galactic Monkey From Outer Space* edited *Case 13154*: BitBlt
bug in alphaSourceBlendBits8 <https://pharo.fogbugz.com/default.asp?13154>:
 *Bug* in [image: Project:] Pharo VM: 2. External  *  You are subscribed to
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        Issue Validation Failed:
https://ci.inria.fr/pharo/job/Pharo-3.0-Issue-Validator/14726//artifact/validationReport.html
Errors: 1 |
 *Status* changed:
Resolved (Monkey is checking)  [image: changed to]  Work Needed

    [image: Priority]  *Priority*: 5 - Fix If Time  [image: Status]
*Status*: Work Needed   [image: Assigned To]  *Assigned to*: Nicolas
Cellier  [image: Milestone]  *Milestone*: Pharo3.0

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[image: FogBugz]   A FogBugz case was edited by Ulysse The Galactic Monkey
>From Outer Space. Case ID: 13154 Title: BitBlt bug in alphaSourceBlendBits8
Status: Work Needed Category: Bug Project: Pharo VM Area: 2. External
Priority: 5 - Fix If Time Milestone: Pharo3.0: 30/03/2014 (Today) Assigned
To: Nicolas Cellier URL: https://pharo.fogbugz.com/default.asp?13154
Changes: Status changed from 'Resolved (Monkey is checking)' to 'Work
Needed'. Issue Validation Failed:
https://ci.inria.fr/pharo/job/Pharo-3.0-Issue-Validator/14726//artifact/validationReport.html
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