[Webkit-unassigned] [Bug 75507] New: Some state is lost after compositing?

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Jan 3 18:06:23 PST 2012


           Summary: Some state is lost after compositing?
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
               URL: https://cvs.khronos.org/svn/repos/registry/trunk/publi
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebGL
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: gman at google.com
                CC: cmarrin at apple.com, kbr at google.com, zmo at google.com

This sample demonstrates the issue

It draws a quad, does a setTimeout of 1000, then issues the draw command again. No state is changed between the first draw command and the second by JavaScript. 

Sometime between the two calls 2 things happen

#1) a GL error is generated by code not related to JavaScript

#2) The texture bound to texture unit 0's  TEXTURE_2D bind point has changed.

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