Default Android Browser Detection

[RelaX]

Hi,

I have the following Problem, BABYLON.Engine.isSupported() delivers true on the default Android Browser. but it doesn't support WebGL. I would like to give an error message, but I can't find a solution for it, any ideas?

 

brgds

[GameMonetize]

interesting

 

if you look at the code, you will see that this has to be a bug in Android Browser:

https://github.com/BabylonJS/Babylon.js/blob/master/src/babylon.engine.ts#L2355

[RelaX]

Yeah I know, but what would be a better way to test it? Compiling a Shader surrounded by a try catch block?

 

Okay nvm, surrounding everything with a try catch block isn't working, hm

[GameMonetize]

Rats !

 

can you try to go deeper like trying to call gl.enable(gl.DEPTH_TEST); ?

[RelaX]

Hm, still not working, whats wrong with this stupid Android Browser...

var isSupported = function () {    try {        var tempcanvas = document.createElement('canvas');        var gl = tempcanvas.getContext('webgl') || tempcanvas.getContext('experimental-webgl');        gl.enable(gl.DEPTH_TEST);        return BABYLON.Engine.isSupported();    } catch (e) {        return false;    }};

After I copy pasted a ShaderCompiler I tried something different. Seems like the Android Browser has a very very experimental-webgl context.

This example works

http://learningwebgl.com/lessons/lesson04/index.html

and this doesn't

http://learningwebgl.com/lessons/lesson05/index.html

 

The only difference is the Texture.

var isSupported = function () {    var nua = navigator.userAgent.toLowerCase();    var is_android = ((nua.indexOf('mozilla/5.0') > -1 && nua.indexOf('android ') > -1 && nua.indexOf('applewebkit') > -1) && !(nua.indexOf('chrome') > -1));                return !(is_android || !BABYLON.Engine.isSupported());};

Seems to work fine.

 

 

[GameMonetize]

OMG nice try !

[Vousk-prod.]

Hmm ? Something here sound strange to my ears... Android default browser actually supports WebGL pretty well (even better than FF mobile or Chrome mobile, better FPS).

 

FYI : except for one stupid fracking piece of code : camera.attachControl(canvas, true);  with false everything is ok, but with true, there are inner awfull conflicts, finger swiping on screen results in scene AND html page trying to go both up and down at same time, resulting in a happy jiggle dance (no problem in FF or Chrome mobile, expected behavior happens : swiping finger up rotates camera down AND scrolls page down at same time).