<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>191827</bug_id>
          
          <creation_ts>2018-11-18 18:05:44 -0800</creation_ts>
          <short_desc>cannot turn off antialiasing in webGL</short_desc>
          <delta_ts>2024-01-17 01:54:10 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>WebGL</component>
          <version>Safari 12</version>
          <rep_platform>Mac</rep_platform>
          <op_sys>macOS 10.13</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>DUPLICATE</resolution>
          <dup_id>193895</dup_id>
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Blaine Bell">blaine</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>blaine</cc>
    
    <cc>dino</cc>
    
    <cc>justin_fan</cc>
    
    <cc>kkinnunen</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1480104</commentid>
    <comment_count>0</comment_count>
      <attachid>355246</attachid>
    <who name="Blaine Bell">blaine</who>
    <bug_when>2018-11-18 18:05:44 -0800</bug_when>
    <thetext>Created attachment 355246
attached html and checker.png image that shows pixelated works for the img but not canvas

I am trying to turn off antialiasing for a WebGL context inside Safari and cannot do so.  Attached is an HTML file that can reproduce this problem, it works just fine on Chrome and FireFox.  This example simply opens a WebGL context and draws a rectangle.  The output in Safari has the edges antialiased, which it should not.  Either this is a bug, or I am missing something that I should be doing that is specific to Safari/Webkit?  Please let me know if either way.

I set the &quot;antialias&quot; option to false that is passed into glCanvas.getContext(&quot;webgl&quot;, options);, and I also use the style flags that I have found resources on the web/stackoverflow that normally turns antialiasing off.

The exact versions I am using are  Safari Version 12.0.1 (13606.2.104.1.2) on OSX 10.13.6.

Thanks!

Blaine</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1480371</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2018-11-19 21:35:06 -0800</bug_when>
    <thetext>&lt;rdar://problem/46177990&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1487330</commentid>
    <comment_count>2</comment_count>
    <who name="Blaine Bell">blaine</who>
    <bug_when>2018-12-12 14:24:54 -0800</bug_when>
    <thetext>Hi!  Is there any update on this issue?  Are you able to reproduce it using my description and attachments?

Thanks so much!

Blaine</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2005555</commentid>
    <comment_count>3</comment_count>
    <who name="Kimmo Kinnunen">kkinnunen</who>
    <bug_when>2024-01-17 01:54:10 -0800</bug_when>
    <thetext>Thanks, this should work now

*** This bug has been marked as a duplicate of bug 193895 ***</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="0"
              isprivate="0"
          >
            <attachid>355246</attachid>
            <date>2018-11-18 18:05:44 -0800</date>
            <delta_ts>2018-11-18 18:05:44 -0800</delta_ts>
            <desc>attached html and checker.png image that shows pixelated works for the img but not canvas</desc>
            <filename>noaatest.tar.gz</filename>
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            <size>2495</size>
            <attacher name="Blaine Bell">blaine</attacher>
            
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