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[teo1978 <teo8976@xxxxxxxxx>]

> but the distro driver still is hardware accelerated

That's what I doubt. How can I test and make sure it's not somehow
falling back to emulating openGL in CPU?

Doesn't the fact that the triangle test consumes 100% of a cpu core
demonstrate that it's using the CPU to perform such a simple task as
rendering a triangle?

> and you get the Unity UI

That in itself doesn't prove it's hardware accelerated, does it?

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Packages, which is subscribed to mesa in Ubuntu.
https://bugs.launchpad.net/bugs/1485248

Title:
  No hardware acceleration out-of-the-box with Intel HD GPU

Status in mesa package in Ubuntu:
  Invalid

Bug description:
  I don't know whether I am reporting this against the right package.

  I have an acer laptop with these GPUs:
  - GPU0: Intel HD Graphics 4000 (M)
  - GPU1: NVIDIA GeForce GT 710M

  with Optimus technology. I know getting the NVidia card to work is as
  complicated as hell, so I gave up on that.

  However, I expect the Intel GPU to work at its full potential out of
  the box.

  Instead, I ran several benchmark test tools and they perform very poorly, indicating that everything is being rendered by software.
  On moderately complex 3D graphics tests I get frame rates around 18fps, while on the most trivial tests (like a rotating horse with no texture whatsoever) I get 60fps at most.

  By googling around I've found some how-to's for getting hardware
  acceleration to work, but they are either unclear or incomplete or
  they contraddict one another, and none of them is official.

  I shouldn't be supposed to do perform complicated installations and
  configurations. Support for all the available hardware acceleration
  power, at least on the integrated GPU, should work right out of the
  box.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: mesa-vdpau-drivers (not installed)
  ProcVersionSignature: Ubuntu 3.19.0-25.26-generic 3.19.8-ckt2
  Uname: Linux 3.19.0-25-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.17.2-0ubuntu1.2
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Sat Aug 15 22:33:33 2015
  DistUpgraded: 2015-08-15 21:46:56,607 DEBUG enabling apt cron job
  DistroCodename: vivid
  DistroVariant: ubuntu
  DkmsStatus:
   vboxhost, 4.3.14, 3.13.0-61-generic, x86_64: installed
   vboxhost, 4.3.14, 3.16.0-44-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Acer Incorporated [ALI] Device [1025:0647]
   NVIDIA Corporation GF117M [GeForce 610M/710M/820M / GT 620M/625M/630M/720M] [10de:1140] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: Acer Incorporated [ALI] GeForce 710M [1025:0691]
  InstallationDate: Installed on 2013-10-11 (673 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MachineType: Acer Aspire V3-571G
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-25-generic.efi.signed root=UUID=5830b30e-69e8-4bb4-8a2b-bc2b43c7414a ro quiet splash vt.handoff=7
  SourcePackage: mesa
  UpgradeStatus: Upgraded to vivid on 2015-08-15 (0 days ago)
  dmi.bios.date: 10/15/2012
  dmi.bios.vendor: Acer
  dmi.bios.version: V2.07
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: VA50_HC_CR
  dmi.board.vendor: Acer
  dmi.board.version: Type2 - Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V2.07
  dmi.modalias: dmi:bvnAcer:bvrV2.07:bd10/15/2012:svnAcer:pnAspireV3-571G:pvrV2.07:rvnAcer:rnVA50_HC_CR:rvrType2-BoardVersion:cvnAcer:ct10:cvrV2.07:
  dmi.product.name: Aspire V3-571G
  dmi.product.version: V2.07
  dmi.sys.vendor: Acer
  version.compiz: compiz 1:0.9.12.1+15.04.20150410.1-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.60-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.2-0ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.2-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
  xserver.bootTime: Sat Aug 15 21:48:00 2015
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                9170 
   vendor                                     ACI
  xserver.version: 2:1.17.1-0ubuntu3

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