[Webkit-unassigned] [Bug 183151] Bad flicker on three.js example

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=183151

Kenneth Russell <kbr at google.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |kbr at google.com
             Blocks|                            |209510
           Assignee|webkit-unassigned at lists.web |kbr at google.com
                   |kit.org                     |

--- Comment #3 from Kenneth Russell <kbr at google.com> ---
On top-of-tree WebKit, it looks like the only scenario which is definitively broken is preserveDrawingBuffer:true with antialias:false. Can confirm that a fix of this code path in the ANGLE backend eliminates this flicker on desktop macOS.

This is required to fix the conformance2webgl/2.0.0/conformance2/textures/webgl_canvas tests; blocking the umbrella bug for that.


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=209510
[Bug 209510] [WebGL2] (Meta) update texture-related APIs
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