On 23/10/2019 13:27, Andy Pont wrote: > Hello, > > Broadening this out to the Freescale and Yocto mailing lists to see if > any one has any answers… > > We are using Cog and WPE Webkit on an i.MX6 Solo based board with a user > interface that is based on HTML5, Javascript and CSS and are having some > issues with fading and other canvas effects. The board is running a > Yocto image with the following in conf/local.conf: > > PREFERRED_PROVIDER_virtual/wpebackend = "wpebackend-rdk" > PACKAGECONFIG_pn-wpebackend-rdk = "imx6" > > PACKAGECONFIG_append_pn-cairo = " glesv2 egl" > PACKAGECONFIG_append_pn-wpewebkit = " 2dcanvas" > > We start the browser with the following command line: > > cog --enable-accelerated-2d-canvas=1 appui/index.html >
How the performance compares if you disable accelerated-2d-canvas? It gets worse or its the same? > Are there any other settings we should be using either in the Yocto > build or when launching Cog as we are finding the CPU usage is >90%? > > Is there a definitive way to show that all of the necessary drivers are > loaded and Cog is making use of the GPU? > > I have tried this with Cog 0.3.0 built with WPE WebKit 2.24.1 and Cog > 0.4.0 built with WPE WebKit 2.26.1 and both give the same dissappointing > results, as does running on the iMX6Q-SDP board I also have here. > Usually on the web application side there are different things that can be optimized to make it perform better on WPE. I think it would be helpful to understand the problem if you can share a demo of your web app where the performance problem can be easily reproduced.
signature.asc
Description: OpenPGP digital signature
-- _______________________________________________ meta-freescale mailing list meta-freescale@yoctoproject.org https://lists.yoctoproject.org/listinfo/meta-freescale
