Thanks for trying Crosswalk.

Could you please try to disable gpu rasterization. Please refer following steps:

you can use a custom command-line (Crosswalk 6 or later) by adding a text file 
called xwalk-command-line (no suffix) to the assets/ directory of your Android 
apk package. This file should contain a single line, representing the xwalk 
command line to run; in this case, the line would be:
xwalk --disable-gpu-rasterization

Thanks,
Junwei.
--------------------------------------------------------------------
From: Crosswalk-help 
[mailto:[email protected]] On Behalf Of Roei
Sent: Monday, January 12, 2015 6:51 PM
To: 
[email protected]<mailto:[email protected]>
Subject: [Crosswalk-help] Incorrect pixels-rendering when upgrading to 
Crosswalk 10

Hi,

Currently our Google Play' app is based on crosswalk-cordova (ARM) version 8, 
and we want to upgrade to Crosswalk 10 (we couldn't upgrade to 9 due to 
https://crosswalk-project.org/jira/browse/XWALK-3252).

We use the procedure here: 
https://crosswalk-project.org/documentation/cordova/migrate_an_application.html 
for building the project. This worked fine for Crosswalk 7 and also when we did 
upgrade to 8.

However, when we tried to upgrade to 10 we got the splash screen regularly but 
afterward we got a black screen (everything else works fine - we just can't see 
anything).

After investigating this issue we've added android:hardwareAccelerated="true" 
to the application element on AndroidManifest.xml (in addition to  
android:hardwareAccelerated="true" we already had on the manifest element). Now 
webview does get rendered but we have incorrect pixels rendering. According to 
http://developer.android.com/guide/topics/graphics/hardware-accel.html this can 
happen if some of the drawing operations don't support HW acceleration. This 
problem does not occur on all devices. For example on Galaxy S2 (4.2.2) it does 
happen, but on Nexus 10 (5.0.1) it works just fine.

We are really looking forward to upgrade to Crosswalk 10 (mainly to avoid 
OpenSSL issue and to upgrade Crodova from 3.5.0 to 3.6.3). Same issue happens 
when upgrading to 9.
Please advice.

Thanks,
- Roei
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