[Bug 78466] New: [ILK Bisected]Piglit glean/makeCurrent fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78466

          Priority: high
            Bug ID: 78466
                CC: idr at freedesktop.org
          Assignee: kenneth at whitecape.org
           Summary: [ILK Bisected]Piglit glean/makeCurrent fails
        QA Contact: intel-3d-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: Drivers/DRI/i965
           Product: Mesa

System Environment:
--------------------------
Platform: Ironlake
Libdrm:        (master)libdrm-2.4.54
Mesa:        (master)9d95d64be0893a18922da75d2625235ae410d3ab
Xserver:   
(master)xorg-server-1.15.99.902-80-ga5b9757142a2ab471ca26651dce9cc5f5e351f3d
Xf86_video_intel:(master)2.99.911-150-g18416b5162e6d6e5415916c55c935b08c980d7f3
Libva:        (staging)29fa9ec0bd5ac396fb8ce7de07747314ca1dd12e
Libva_intel_driver:(staging)1c4d3468229797e787f4b99b0729baf90a115a1d
Kernel:    (drm-intel-nightly)dd28119c31cf06fc4c3bb548699018a91e45a676

Bug detailed description:
-----------------------------
It fails on Ironlake with Mesa master branch and 10.2 branch.
Bisect shows:9701c6984d8d6570d90a15f86872b16bdba117f2 is the first bad commit.
commit 9701c6984d8d6570d90a15f86872b16bdba117f2
Author:     Kenneth Graunke <kenneth at whitecape.org>
AuthorDate: Fri May 2 01:10:17 2014 -0700
Commit:     Kenneth Graunke <kenneth at whitecape.org>
CommitDate: Tue May 6 11:31:31 2014 -0700

    meta: Only clear the requested color buffers.

    This path is used to implement both glClear and glClearBuffer; the
    latter is only supposed to clear particular buffers.  Core Mesa provides
    us that information in the buffers bitmask; we must only clear buffers
    mentioned there.

    To accomplish this, we save/restore the color draw buffers state, and
    use glDrawBuffers to restrict drawing to the relevant buffers.

    Fixes Piglit's spec/!OpenGL 3.0/clearbuffer-mixed-formats and
    spec/ARB_framebuffer_object/fbo-drawbuffers-none glClearBuffer tests
    for drivers using meta clears (such as Broadwell).

    Cc: "10.2" <mesa-stable at lists.freedesktop.org>
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=77852
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=77856
    Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
    Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>
    Reviewed-by: Eric Anholt <eric at anholt.net>


output:
----------------------------------------------------------------------
This test sanity-checks the ability to use multiple rendering
contexts.  It creates several contexts with differing
characteristics (e.g., some are direct-rendering and some
are indirect-rendering, if the window system binding supports
that distinction).  Then it runs through all pairs of contexts,
making each one "current" in turn and verifying that simple
rendering succeeds.

makeCurrent:  PASS rgba8, db, z24, s8, win+pmap, id 32
makeCurrent:  PASS rgba8, db, z24, s8, win+pmap, id 33
makeCurrent:  PASS rgba8, db, z24, s8, win+pmap, id 96
makeCurrent:  PASS rgba8, db, win+pmap, id 121
makeCurrent:  FAIL rgba8, win+pmap, id 122
        Sequence of MakeCurrent operations was:
                Null context
                Direct-rendering context
                Indirect-rendering context
                Null context
                Null context
                Null context
                Direct-rendering context
                Null context
                Indirect-rendering context
makeCurrent:  FAIL rgba8, z24, s8, win+pmap, id 123
        Sequence of MakeCurrent operations was:
                Null context
                Direct-rendering context
                Indirect-rendering context
                Null context
                Null context
                Null context
                Direct-rendering context
                Null context
                Indirect-rendering context
makeCurrent:  PASS rgba8, db, z24, s8, accrgba16, win+pmap, slow, id 124
makeCurrent:  PASS rgba8, db, win+pmap, id 125
makeCurrent:  FAIL rgba8, win+pmap, id 126
        Sequence of MakeCurrent operations was:
                Null context
                Direct-rendering context
                Indirect-rendering context
                Null context
                Null context
                Null context
                Direct-rendering context
                Null context
                Indirect-rendering context
makeCurrent:  FAIL rgba8, z24, s8, win+pmap, id 127
        Sequence of MakeCurrent operations was:
                Null context
                Direct-rendering context
                Indirect-rendering context
                Null context
                Null context
                Null context
                Direct-rendering context
                Null context
                Indirect-rendering context
makeCurrent:  PASS rgba8, db, z24, s8, win+pmap, id 128
makeCurrent:  PASS rgba8, db, z24, s8, accrgba16, win+pmap, slow, id 129

Reproduce steps:
---------------------------- 
1. xinit
2. ./bin/glean -o -v -v -v -t +makeCurrent

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