Canvas drawing issue with google.maps.Circle() on a Wiko Cink Slim (PowerVR SGX 531)




4 years ago
4 years ago


(Reporter: bugzilla, Unassigned)


Firefox Tracking Flags

(Not tracked)



(1 attachment)



4 years ago
Created attachment 8542594 [details]

User Agent: Mozilla/5.0 (Windows NT 5.1; rv:16.0) Gecko/20100101 Firefox/16.0
Build ID: 20121024073032

Steps to reproduce:

test here :

source code test
<!DOCTYPE html>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
      html, body, #map-canvas {
        height: 100%;
        margin: 0px;
        padding: 0px
    <script src=""></script>

      function initialize() {
        var mapOptions = {
          zoom: 4,
          center: new google.maps.LatLng(37.09024, -95.712891),
          mapTypeId: google.maps.MapTypeId.TERRAIN

        var map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);

        var circle = new google.maps.Circle({
          strokeColor: '#FF0000',
          strokeOpacity: 0.8,
          strokeWeight: 2,
          fillColor: '#FF0000',
          fillOpacity: 0.35,
          map: map,
          center: new google.maps.LatLng(40.714352, -74.005973),
          radius: 1000000
        map.setCenter( new google.maps.LatLng(40.714352, -74.005973) );


      google.maps.event.addDomListener(window, 'load', initialize);

    <div id="map-canvas"></div>

Actual results:

wrong visual display circle in googlem (see Attached file "android-firefox.jpg")

Expected results:

see Attached file "android-firefox.jpg"


4 years ago
Severity: normal → major
OS: Windows XP → Android
Hardware: x86 → All
I cannot reproduce this on a Nexus 5 or a Galaxy S 5. What GPU and Android version? CPU-Z from the play store can display this info
Severity: major → minor

Comment 2

4 years ago
This bug is visible only android PHONE (NOT tablet)

Comment 3

4 years ago
phones  : Wiko Cink Slim
android : version 4.1.1 
Firefox : version <= 34.0.1

Comment 4

4 years ago
cpu-z is excellent, thanks

GPU : MediaTek MT6577 1,00 Ghz
core : 2
architecture : 2x ARM Cortex-A9
GPU renderer : PoverVR SGX 531
Component: General → Graphics
Product: Firefox for Android → Core
Summary: api googlemap function "google.maps.Circle()" display bug → Canvas drawing issue with google.maps.Circle() on a Wiko Cink Slim (PowerVR SGX 531)
Version: Firefox 34 → unspecified
I am not sure there is much we can do for PowerVR, TI stopped production of the chip and drivers years ago. Snorp?
Flags: needinfo?(snorp)
I think unless this is reproducible on a lot more than devices, we won't have the time to do much.
Flags: needinfo?(snorp)
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