[Bug 78952] New: [BDW GT3]Rendercheck blend fails

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue May 20 01:49:10 PDT 2014 

https://bugs.freedesktop.org/show_bug.cgi?id=78952

          Priority: medium
            Bug ID: 78952
          Assignee: chris at chris-wilson.co.uk
           Summary: [BDW GT3]Rendercheck blend fails
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    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: Broadwell
Libdrm:       
(master)libdrm-2.4.52-10-g1cb5fc706cf5913d9dee33c939f65a23ecea17a5
Mesa:        (master)4d641803e8f8763dcf4a262c6bcf2d1ba0431ca2
Xserver:        (master)xorg-server-1.15.99.902
Xf86_video_intel:       
(master)2.99.911-49-g617e96f3af861dd797f98d5a74978f9ba595a981 
Libva:        (staging)960352aaf1e11891a533ce2c98b16edde24d6851
Libva_intel_driver:        (staging)4a3f17ae44bae58daf65dcc706332b28a6d478ac
Kernel:    (drm-intel-nightly) 8490f3fc02d24548830dc2d4272f683781c7c8bd

Bug detailed description:
-------------------------
It fails on Broadwell GT3, and works well on GT1 and GT2.
Following cases also fail on GT3:
mcoords
repeat
tmcoords
tscoords
run ./rendercheck -o src,over,overreverse,xor -t blend
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 255.0000 at (0, 0) –
R G B A
got: 0.000 0.000 0.000 1.000
expected: 0.000 0.000 0.000 0.000
src color: 0.00 0.00 0.00 1.00 (a8)
dst color: 0.00 0.00 0.00 1.00
src: 1x1R a8, dst: a8
Beginning blend test on a8r8g8b8
Xor blend test error of 255.0000 at (0, 0) –
R G B A
got: 0.000 0.000 0.000 1.000
expected: 0.000 0.000 0.000 0.000
src color: 0.00 0.00 0.00 1.00 (a8)
dst color: 0.00 0.00 0.00 1.00
src: 1x1R a8, dst: a8r8g8b8
Beginning blend test on x8r8g8b8
Xor blend test error of 255.0000 at (0, 0) –
R G B A
got: 1.000 1.000 1.000 1.000
expected: 0.000 0.000 0.000 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
Xor blend test error of 255.0000 at (0, 0) –
R G B A
got: 1.000 1.000 1.000 1.000
expected: 0.000 0.000 0.000 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
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: b8g8r8
Beginning blend test on r5g5b5
Xor blend test error of 31.0000 at (0, 0) –
R G B A
got: 1.000 1.000 1.000 1.000
expected: 0.000 0.000 0.000 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
Xor blend test error of 31.0000 at (0, 0) –
R G B A
got: 1.000 1.000 1.000 1.000
expected: 0.000 0.000 0.000 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
Src 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
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: x8b8g8r8
Beginning blend test on x2r10g10b10
Beginning blend test on x2b10g10r10
Beginning blend test on r8g8b8 window
Xor blend test error of 255.0000 at (0, 0) –
R G B A
got: 1.000 1.000 1.000 1.000
expected: 0.000 0.000 0.000 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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