[Bug 94346] WebGL conformance2/textures/misc/copy-texture-image.html fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94346

            Bug ID: 94346
           Summary: WebGL
                    conformance2/textures/misc/copy-texture-image.html
                    fails
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: xinghua.cao at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Steps:
1. Install latest unstable google chrome, details:
   add "deb http://dl.google.com/linux/chrome/deb/ stable main" to your
computer software source list(/etc/apt/sources.list).
   sudo apt-get update
   sudo apt-get install google-chrome-unstable

2. Run chrome in the terminal, you can specify your Mesa driver and run with
some options,
   [LD_LIBRARY_PATH=<mesa_lib>:$LD_LIBRARY_PATH
LIBGL_DRIVERS_PATH=<mesa_lib>/dri] google-chrome-unstable
--enable-unsafe-es3-apis -- use-gl=egl

3. Please check chrome revision ("chrome://version"), it must be newer than
#376886

4. Open the link,
https://www.khronos.org/registry/webgl/sdk/tests/webgl-conformance-tests.html?version=2.0.0
(should be 2.0.0(beta))

5. Search case "conformance2/textures/misc/copy-texture-image.html", and run
this case.

Result: This case will fail. This case succeeds on nvidia driver.

Expected: This case passes on Mesa driver. 

Notes: We test the case on below devices based on Mesa driver, it also fails.
Pixel 2013 - IVB Chromebook, Mesa version 11.0.2
Acer C720 - HSW Chromebook, Mesa version 11.0.2
Acer C910 - BDW Chromebook, Mesa version 11.0.2

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