[Bug 70821] New: [Q965/PNV/GM45/ILK]Rendercheck blend fails

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Oct 24 05:25:18 CEST 2013


https://bugs.freedesktop.org/show_bug.cgi?id=70821

          Priority: high
            Bug ID: 70821
          Assignee: chris at chris-wilson.co.uk
           Summary: [Q965/PNV/GM45/ILK]Rendercheck blend fails
        QA Contact: intel-gfx-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: Driver/intel
           Product: xorg

System Environment:
--------------------------
Platform:        Q965/PNV/GM45/ILK
Libdrm:        (master)2.4.47
Mesa:        (master)63974c0f5b26e369a790505af6820d4bbcf451b2
Xserver:   
(master)xorg-server-1.14.99.3-1-g7ecfab47eb221dbb996ea6c033348b8eceaeb893
Xf86_video_intel:(master)2.99.904-65-g11e8b299e11ff846e1c8090f7cbd34b2af850d85
Cairo:        (master)98fef3cef2d0f7f463a2e4f9f1b35b09f7b6ea77
Libva:        (staging)1a011ce5bb0b80506797a25a988854f3f81ce909
Libva_intel_driver:(staging)1cee858036a87837deddc87586701ed869f96261
Kernel:    (drm-intel-nightly) 164a4cb4c1431a0689f85507868356fae24da638

Bug detailed description:
-----------------------------
It fails on Q965,Pineview,GM45 and Ironlake. 
repeat also fails with same bisect commit.

Bisect shows:bccbbf8a68faf7aac274efd289d4916083b1a1e3 is the first bad commit.
commit bccbbf8a68faf7aac274efd289d4916083b1a1e3
Author:     Chris Wilson <chris at chris-wilson.co.uk>
AuthorDate: Tue Oct 22 14:22:14 2013 +0100
Commit:     Chris Wilson <chris at chris-wilson.co.uk>
CommitDate: Tue Oct 22 17:57:58 2013 +0100

    sna: Remove the move-to-gpu shortcircuiting for partial GPU, no CPU damage

    Otherwise we may not correctly undo COW or pending move-to-gpu updates.

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>


output:
rendercheck 1.4
Render extension version 0.11
Window format: r8g8b8
Found server-supported format: a8
Found server-supported format: a8r8g8b8
Found server-supported format: x8r8g8b8
Found server-supported format: b8g8r8a8
Found server-supported format: b8g8r8x8
Found server-supported format: r8g8b8
Found server-supported format: b8g8r8
Found server-supported format: r5g5b5
Found server-supported format: b5g5r5
Found server-supported format: x1r5g5b5
Found server-supported format: x1b5g5r5
Found server-supported format: r5g6b5
Found server-supported format: b5g6r5
Found server-supported format: x8b8g8r8
Found server-supported format: x2r10g10b10
Found server-supported format: x2b10g10r10
Beginning blend test on a8
Xor blend test error of 127.0000 at (0, 0) --
           R     G     B     A
got:       0.000 0.000 0.000 0.000
expected:  0.000 0.000 0.000 0.498
src color: 0.00 0.00 0.00 1.00 (a8)
dst color: 0.00 0.00 0.00 0.50
src: 1x1R a8, dst: a8
Beginning blend test on a8r8g8b8
OverReverse 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: a8r8g8b8
Beginning blend test on x8r8g8b8
OverReverse 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: x8r8g8b8
Beginning blend test on b8g8r8a8
Beginning blend test on b8g8r8x8
Beginning blend test on r8g8b8
OverReverse 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
Beginning blend test on b8g8r8
OverReverse 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: b8g8r8
Beginning blend test on r5g5b5
OverReverse blend test error of 31.0000 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: r5g5b5
Beginning blend test on b5g5r5
Beginning blend test on x1r5g5b5
OverReverse blend test error of 31.0000 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: x1r5g5b5
Beginning blend test on x1b5g5r5
Beginning blend test on r5g6b5
OverReverse blend test error of 63.0000 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: r5g6b5
Beginning blend test on b5g6r5
Beginning blend test on x8b8g8r8
OverReverse 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: x8b8g8r8
Beginning blend test on x2r10g10b10
Beginning blend test on x2b10g10r10
Beginning blend test on r8g8b8 window
OverReverse 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
7 tests passed of 17 total
Successful Groups:


Reproduce steps:
----------------------------
1. xinit&
2. ./rendercheck -o src,over,overreverse,xor -t blend

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