[Bug 81843] New: ETC2 textures are not returned as compressed images

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Jul 28 09:22:07 PDT 2014


          Priority: medium
            Bug ID: 81843
          Assignee: idr at freedesktop.org
           Summary: ETC2 textures are not returned as compressed images
        QA Contact: intel-3d-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: jon at lunarg.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 10.2
         Component: Drivers/DRI/i965
           Product: Mesa

i965 driver stores ETC2 textures  as uncompressed since Gen 7.5 and earlier
GPUs don't support ETC2 format.  glGetCompressedImage() of these ETC2
textures should cause a compression to ETC2 format to occur before returning
to the client.  This compression on read of ETC2 texture doesn't appear to be

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