rendercheck claims that 'blend' 'add' operation renders incorrectly
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
xserver-xorg-video-intel (Ubuntu) |
New
|
Undecided
|
Unassigned |
Bug Description
$ rendercheck -o add -t blend
...
Beginning Add blend test on b8g8r8a8
Add blend test error of 64.0000 at (0, 0) --
R G B A
got: 0.00 0.00 0.00 1.00
expected: 1.00 1.00 1.00 1.00
src color: 0.00 0.00 0.00 1.00 (a8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8, dst: b8g8r8a8
Add blend test error of 64.0000 at (0, 0) --
R G B A
got: 0.00 0.00 0.00 1.00
expected: 1.00 1.00 1.00 1.00
src color: 0.00 0.00 0.00 1.00 (a8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8, dst: b8g8r8a8
Add blend test error of 64.0000 at (0, 0) --
R G B A
got: 0.00 0.00 0.00 1.00
expected: 1.00 1.00 1.00 1.00
src color: 0.00 0.00 0.00 1.00 (a8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8, dst: b8g8r8a8
Add blend test error of 64.0000 at (0, 0) --
R G B A
got: 0.00 0.00 0.00 1.00
expected: 1.00 1.00 1.00 1.00
src color: 0.00 0.00 0.00 1.00 (a8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8, dst: b8g8r8a8
Add blend test error of 64.0000 at (0, 0) --
R G B A
got: 0.00 0.00 0.00 1.00
expected: 1.00 1.00 1.00 1.00
src color: 0.00 0.00 0.00 1.00 (a8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8, dst: b8g8r8a8
Add blend test error of 64.0000 at (0, 0) --
R G B A
got: 0.00 0.00 0.00 1.00
expected: 1.00 1.00 1.00 1.00
src color: 0.00 0.00 0.00 1.00 (a8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8, dst: b8g8r8a8
Add blend test error of 64.0000 at (0, 0) --
...
$ cat /etc/X11/
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "XvPreferOverlay" "false"
Option "VSync" "false"
Option "TripleBuffer" "false"
Option "TearFree" "true"
EndSection
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xserver-
ProcVersionSign
Uname: Linux 4.8.0-39-lowlatency x86_64
.tmp.unity_
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
BootLog: system: clean, 442787/1933312 files, 3477778/7721472 blocks
CompizPlugins: [core,composite
CompositorRunning: None
CurrentDesktop: MATE
Date: Wed Mar 8 08:08:24 2017
DistUpgraded: 2016-11-14 12:59:58,597 ERROR SystemError from cache.commit(): installArchives() failed
DistroCodename: xenial
DistroVariant: ubuntu
EcryptfsInUse: Yes
ExtraDebuggingI
GraphicsCard:
Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller [8086:0162] (rev 09) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. P8 series motherboard [1043:84ca]
InstallationDate: Installed on 2009-10-08 (2707 days ago)
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Alpha amd64 (20091008)
MachineType: System manufacturer System Product Name
ProcKernelCmdLine: BOOT_IMAGE=
SourcePackage: xserver-
UpgradeStatus: Upgraded to xenial on 2016-11-14 (113 days ago)
dmi.bios.date: 08/20/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1401
dmi.board.
dmi.board.name: P8H77-M PRO
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.
dmi.modalias: dmi:bvnAmerican
dmi.product.name: System Product Name
dmi.product.
dmi.sys.vendor: System manufacturer
version.compiz: compiz 1:0.9.12.
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.70-
version.
version.
version.
version.
version.
version.
version.
version.
xserver.bootTime: Tue Mar 7 22:07:09 2017
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
xserver.version: 2:1.18.4-0ubuntu0.2
Also broken: rendercheck -t composite -o add -f a8r8g8b8,a8