[Webkit-unassigned] [Bug 137842] New: REGRESSION(r174107): [EFL] WebGL broken

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=137842

            Bug ID: 137842
           Summary: REGRESSION(r174107): [EFL] WebGL broken
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit EFL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: clopez at igalia.com
                CC: demarchi at webkit.org, gyuyoung.kim at webkit.org,
                    ossy at webkit.org,
                    tmeszaros.u-szeged at partner.samsung.com

Revision r174107 <http://trac.webkit.org/r174107> updated the EFL libraries used by WebKitEFL to a major new version. WebGL support is broken since that.

On the terminal, I get "evas_gl_new() Evas GL engine not available." errors.

I'm using the internal jhbuild, and I execute the minibrowser as follows:

$ cd WebKit
$ LD_LIBRARY_PATH=$(pwd)/WebKitBuild/Dependencies/Root/lib WebKitBuild/Release/bin/MiniBrowser http://get.webgl.org/

When it loads, the page says "Your browser supports WebGL", *but* the cube don't shows.

I also tried https://webglsamples.googlecode.com/hg/aquarium/aquarium.html and it don't shows any fish on the screen (however it still reports the number of fps despite only showing a grey screen)

I tested to revert r174107, then I wiped out WebKitBuild/Dependencies and rebuilt all the jhbuild dependencies (Tools/Scripts/update-webkitefl-libs), and tried the test again. Now it works as expected in both tests.

For the record: I tried this on two machines. One with a Nvidia GPU and the proprietary drivers, and another one with an Intel GPU (sandybridge) and the free Mesa drivers (both machines running Debian testing). The same result on both machines: WebGL is broken, but reverting r174107 fixes it.

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