[Bug 89647] dEQP-GLES3: mix does not produce correct results with infinities

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Feb 13 19:46:16 UTC 2017


Matt Turner <mattst88 at gmail.com> changed:

           What    |Removed                     |Added
         Resolution|---                         |WONTFIX
           Assignee|idr at freedesktop.org         |intel-3d-bugs at lists.freedes
                   |                            |ktop.org
             Status|NEW                         |RESOLVED

--- Comment #1 from Matt Turner <mattst88 at gmail.com> ---
These tests now all pass after

commit 6c1b3db5fb439806b9b67442f1042615ffa32816
Author: Pyry Haulos <phaulos at google.com>
Date:   Fri May 29 14:06:53 2015 -0700

    Allow alternative mix() implementation

    Some compilers translate mix(a, b, x) to a + (b - a)*x which produces
    slightly different results than the form a*(1 - x) + b*x suggested by
    the GLSL specification. This change relaxes tests to allow both forms.

    Bug: 21110253
    Change-Id: I3af056145ef8e64c0fc998302770fd38d105481a

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