[Bug 81898] [BDW Bisected] Glxgears show black after start gnome-session in the default setting of X server

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81898

--- Comment #12 from yaoming <ming.yao at intel.com> ---
(In reply to comment #11)
> The bisect is misleading as that commit only changes the priorities of code
> paths, to bisect properly you would rearrange the commits and bisect through
> the bdw code changes.

I don't know much about Rendercheck.
I test Rendercheck on my bisect results(both on bad and good commit).It all
shows like this:

[root at x-bdwmedia xf86-video-intel]# rendercheck -t blend,composite -f a8r8g8b8
rendercheck 1.4
Render extension version 0.11
Window format: r8g8b8
Ignoring server-supported format: a8
Found server-supported format: a8r8g8b8
Ignoring server-supported format: x8r8g8b8
Ignoring server-supported format: b8g8r8a8
Ignoring server-supported format: b8g8r8x8
Ignoring server-supported format: r8g8b8
Ignoring server-supported format: b8g8r8
Ignoring server-supported format: r5g5b5
Ignoring server-supported format: b5g5r5
Ignoring server-supported format: x1r5g5b5
Ignoring server-supported format: x1b5g5r5
Ignoring server-supported format: r5g6b5
Ignoring server-supported format: b5g6r5
Ignoring server-supported format: x8b8g8r8
Ignoring server-supported format: x2r10g10b10
Ignoring server-supported format: x2b10g10r10
Beginning blend test on a8r8g8b8
Src blend test error of 255.0000 at (0, 0) --
           R     G     B     A
got:       0.000 0.000 0.000 0.000
expected:  1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: a8r8g8b8
Beginning blend test on r8g8b8 window
Src blend test error of 255.0000 at (0, 0) --
           R     G     B     A
got:       0.000 0.000 0.000 1.000
expected:  1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: r8g8b8 window
Beginning composite mask test on a8r8g8b8
Src composite test error of 255.0000 at (0, 0) --
           R     G     B     A
got:       0.000 0.000 0.000 0.000
expected:  1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00
msk color: 1.00 1.00 1.00 1.00
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, mask: 1x1R a8r8g8b8, dst: a8r8g8b8
Beginning composite mask test on r8g8b8 window
Src composite test error of 255.0000 at (0, 0) --
           R     G     B     A
got:       0.000 0.000 0.000 1.000
expected:  1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00
msk color: 1.00 1.00 1.00 1.00
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, mask: 1x1R a8r8g8b8, dst: r8g8b8 window
0 tests passed of 4 total
Successful Groups:

So I think the bisect results only applies to gnome+glxears, but not
Rendercheck

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