[write-up] 2011-june-07 meeting

BogDan bog_dan_ro at yahoo.com
Tue Jun 7 14:13:28 CEST 2011


Thanks !



----- Original Message -----
> From: Robert Schuster <r.schuster at tarent.de>
> To: necessitas-devel at kde.org
> Cc: 
> Sent: Tuesday, June 7, 2011 1:30 PM
> Subject: [write-up] 2011-june-07 meeting
> 
> Hi guys,
> here is the write-up of yesterday's meeting. If you miss something feel
> free to add it as a reply to this mail.
> 
> necessitas meeting 2011-June 6
> 
> location:
> #necessitas at irc.freenode.org
> 
> attendees:
> BogDan Vatra - bog_dan_ro
> Thomas Senyk - tsenyk
> Ray Donnelly - mingwandroid
> Robert Schuster - rschus
> cartman
> 
> didn't make it:
> Christian Kuester - cekay
> 
> The meeting informally began earlier than planned because of a bunch of
> main contributors already being in the channel.
> 
> A main topic was the initial work on OpenGL ES support by Thomas.
> Apparently before this can be merged a few problems have to be sorted
> out. One of them is the support for Android versions before 2.3. Those
> versions only have official Java/Dalvik support for OpenGL ES and a
> wrapper is needed to make it available for native applications.
> 
> A question arised on how to access certain JNI objects (JavaVM, object
> pointer, ...). There existed documentation about this but today it is
> not up to date anymore and the request was made to fix this.
> 
> It was talked about Android 1.x support in Necessitas:
> It is assumed that there are no armv7a variants for those versions and
> that a market share of 4.5% does not warrant too much attention.
> 
> Only OpenGL ES version 1 is available which makes is
> unsuitable/cumbersome to support in Necessitas. BogDan drew the line and
> said that only software rendering will be available.
> 
> It was mentioned that QtMobility cannot fully ported to Android 1.x and
> that a conversation should take place at the Qt summit.
> 
> It was even suggested to drop Android 1.x support altogether which
> however BogDan was unsure about.
> 
> On the topic of new features for the alpha2 release the use of GDB 7.3
> was mentioned.
> 
> Later on it was talked about the positive and negative aspects of the
> OpenGL integration. While it is possible to do normal 2D widgets (either
> drawn by a software renderer or an OpenGL one) next to custom GL calls
> this will not perform very well or eats lots of CPU/GPU and as such
> power. At least for Qt4.x this will not be easily solvable. Maybe on the
> day before the Qt summit (June 15th) someone knowledgable can be reached
> to find a solution. In general it is expected that Qt5 will solve this
> problem once and for all. It has to be noted that those
> performance/power issues also affect users on the MeeGo and Symbian
> platform.
> 
> It was shortly talked about the number of people attending the June 15th
> meeting. At least 7 people for Necessitas are expected and a wide range
> of skills will be covered: Qt, OpenGL, porting, toolchains, Java,
> Android APIs.
> 
> ---
> 
> Regards,
> Robert
> 
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