[Bug 74769] New: [i965 Bisected]Piglit spec_EXT_texture_array_gen-mipmap fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74769

          Priority: high
            Bug ID: 74769
          Assignee: idr at freedesktop.org
           Summary: [i965 Bisected]Piglit
                    spec_EXT_texture_array_gen-mipmap 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/Sandybridge/Ivybridge/Haswell/Baytrail
Libdrm:       
(master)libdrm-2.4.52-3-g128e74cf6492025e63e035566bd6e2203e8da5e1
Mesa:        (master)356aff3a5c08be055d6befff99a72f5551b3ac2d
Xserver:   
(master)xorg-server-1.15.0-583-gda1660deeb9032ecca61f4bcdc9fc2eec2ada445
Xf86_video_intel:(master)2.99.909-17-g823382d28944a319c207f20ecef25ce1707a8021
Cairo:        (master)4144307dbfbe7b297135d9ea4b080cae7e06b997
Libva:        (staging)79ddde6bab54618046f136471c020c08ff4fde50
Libva_intel_driver:(staging)c25fe67b1f1e269dc8d0152ce883788ef9288aea Kernel:   
(drm-intel-nightly) 164a4cb4c1431a0689f85507868356fae24da638

Bug detailed description:
-----------------------------
It fails on Ironlake/Sandybridge/Ivybridge/Haswell/Baytrail with mesa master
branch. It doesn't happen on 10.0 branch.

Bisect shows: 2bf4db1697a02cd58062e0ebac086fda72f29945 is the first bad commit
commit 2bf4db1697a02cd58062e0ebac086fda72f29945
Author:     Ian Romanick <ian.d.romanick at intel.com>
AuthorDate: Fri Dec 13 13:40:48 2013 -0800
Commit:     Ian Romanick <ian.d.romanick at intel.com>
CommitDate: Sun Feb 2 16:49:09 2014 +0100

    meta: Don't use fixed-function to decompress array textures

    Array textures can't be used with fixed-function, so don't.  Instead,
    just drop the decompress request on the floor.  This is no worse than
    what was done previously because generating the GL error (in
    _mesa_set_enable) broke everything anyway.

    A later patch will get GL_TEXTURE_2D_ARRAY targets working.

    Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
    Reviewed-by: Brian Paul <brianp at vmware.com>

output:
Probe at level 0, x 64, y 32, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGBA
Probe at level 1, x 32, y 16, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGBA
Probe at level 2, x 16, y 8, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGBA
Probe at level 3, x 8, y 4, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGBA
Probe at level 4, x 4, y 2, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGBA
Probe at level 5, x 2, y 1, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGBA
Probe at level 6, x 1, y 0, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGBA
Probe at level 7, x 0, y 0, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGBA
Probe at level 0, x 64, y 32, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGB
Probe at level 1, x 32, y 16, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGB
Probe at level 2, x 16, y 8, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGB
Probe at level 3, x 8, y 4, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGB
Probe at level 4, x 4, y 2, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGB
Probe at level 5, x 2, y 1, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGB
Probe at level 6, x 1, y 0, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGB
Probe at level 7, x 0, y 0, z 0 =  (0, 0, 0, 0), expected (255,255,255,255)
Internal tex format GL_COMPRESSED_RGB
PIGLIT: {'result': 'fail' }

Reproduce steps:
----------------------------
1. xinit
2. ./bin/ext_texture_array-gen-mipmap -fbo -auto

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