Comments for Eugeni's blog http://dodonov.net/blog My view on technology, open-source, Linux and other cool things. Thu, 17 May 2012 13:22:04 +0000 hourly 1 http://wordpress.org/?v= Comment on April updates from the Intel Linux Graphics land by antistress http://dodonov.net/blog/2012/04/30/april-updates-from-the-intel-linux-graphics-land/comment-page-1/#comment-18296 antistress Thu, 17 May 2012 13:22:04 +0000 http://dodonov.net/blog/?p=1289#comment-18296 <p>Looking latest article from phoronix (http://www.phoronix.com/scan.php?page=article&item=intel_glamor_first&num=1), i was wandering if and when SNA will be enabled by default ?</p> Looking latest article from phoronix (http://www.phoronix.com/scan.php?page=article&item=intel_glamor_first&num=1), i was wandering if and when SNA will be enabled by default ?

]]> Comment on Mid-April updates from intel linux graphics land by antistress http://dodonov.net/blog/2012/04/14/mid-april-updates-from-intel-linux-graphics-land/comment-page-1/#comment-18287 antistress Sat, 28 Apr 2012 01:18:41 +0000 http://dodonov.net/blog/?p=1279#comment-18287 <p>@eugeni : thank you dedicated quicksync decoding is also supposed to need fewer watts on Windows than a traditionnal generic shader approach, i think. Is the Linux VAAPI also power efficient ?</p> @eugeni : thank you dedicated quicksync decoding is also supposed to need fewer watts on Windows than a traditionnal generic shader approach, i think. Is the Linux VAAPI also power efficient ?

]]> Comment on Mid-April updates from intel linux graphics land by eugeni http://dodonov.net/blog/2012/04/14/mid-april-updates-from-intel-linux-graphics-land/comment-page-1/#comment-18286 eugeni Fri, 27 Apr 2012 17:11:16 +0000 http://dodonov.net/blog/?p=1279#comment-18286 <p>@antistress - both statements are true actually.</p> <p>Shaders are used in VAAPI for everything that is related to rendering, this is true. And starting with Sandy Bridge, the GPU has a dedicated decode and encode pipelines for media as well. So those can be used to offload media processing to hardware (for example, the quicksync uses that for very fast media converting), while still using shaders for other tasks in parallel.</p> <p>So VAAPI is taking advantage of both approaches - using shaders when necessary, and dedicated media pipeline when it is available (e.g., on Sandy Bridge and Ivy Bridge).</p> @antistress – both statements are true actually.

Shaders are used in VAAPI for everything that is related to rendering, this is true. And starting with Sandy Bridge, the GPU has a dedicated decode and encode pipelines for media as well. So those can be used to offload media processing to hardware (for example, the quicksync uses that for very fast media converting), while still using shaders for other tasks in parallel.

So VAAPI is taking advantage of both approaches – using shaders when necessary, and dedicated media pipeline when it is available (e.g., on Sandy Bridge and Ivy Bridge).

]]> Comment on Mid-April updates from intel linux graphics land by antistress http://dodonov.net/blog/2012/04/14/mid-april-updates-from-intel-linux-graphics-land/comment-page-1/#comment-18285 antistress Fri, 27 Apr 2012 16:52:22 +0000 http://dodonov.net/blog/?p=1279#comment-18285 <p>Michael Larabel said that "Intel's VA-API is implemented with their video engine unlike the Nouveau/Radeon Gallium3D drivers that are doing VDPAU/VA-API with GPU shaders over Gallium3D"</p> <p>It's the 1st time i see that piece of information, i thought that VA-API made use of shaders. Could you confirme that please ?</p> <p>http://www.phoronix.com/scan.php?page=article&item=intel_ivy_gpushow&num=13 http://software.intel.com/en-us/forums/showthread.php?t=77855</p> Michael Larabel said that “Intel’s VA-API is implemented with their video engine unlike the Nouveau/Radeon Gallium3D drivers that are doing VDPAU/VA-API with GPU shaders over Gallium3D”

It’s the 1st time i see that piece of information, i thought that VA-API made use of shaders. Could you confirme that please ?

http://www.phoronix.com/scan.php?page=article&item=intel_ivy_gpushow&num=13 http://software.intel.com/en-us/forums/showthread.php?t=77855

]]> Comment on Mid-April updates from intel linux graphics land by antistress http://dodonov.net/blog/2012/04/14/mid-april-updates-from-intel-linux-graphics-land/comment-page-1/#comment-18280 antistress Fri, 20 Apr 2012 20:51:16 +0000 http://dodonov.net/blog/?p=1279#comment-18280 <p>Indeed, and moreover, reading Coreboot ML, it seems that Coreboot requires a signed Intel blob to initialize memory :-/</p> <p>BTW i've written on LinuxFR a detailed (& very positive!) article on Ivy Bridge on Linux http://linuxfr.org/news/intel-ivy-bridge-et-linux-ca-juste-marche using information you've provided here, thank you :-) (i also wrote another one before on Sandy bridge too http://linuxfr.org/news/intel-sandy%C2%A0bridge-et-linux%C2%A0-%C3%A9tat-des-lieux )</p> Indeed, and moreover, reading Coreboot ML, it seems that Coreboot requires a signed Intel blob to initialize memory :-/

BTW i’ve written on LinuxFR a detailed (& very positive!) article on Ivy Bridge on Linux http://linuxfr.org/news/intel-ivy-bridge-et-linux-ca-juste-marche using information you’ve provided here, thank you :-) (i also wrote another one before on Sandy bridge too http://linuxfr.org/news/intel-sandy%C2%A0bridge-et-linux%C2%A0-%C3%A9tat-des-lieux )

]]> Comment on Mid-April updates from intel linux graphics land by eugeni http://dodonov.net/blog/2012/04/14/mid-april-updates-from-intel-linux-graphics-land/comment-page-1/#comment-18264 eugeni Sun, 15 Apr 2012 16:57:03 +0000 http://dodonov.net/blog/?p=1279#comment-18264 <p>As far as I know, coreboot-related items are being developed independently by google, without any interaction with us... So I don't have anything to say about this...</p> As far as I know, coreboot-related items are being developed independently by google, without any interaction with us… So I don’t have anything to say about this…

]]> Comment on Mid-April updates from intel linux graphics land by antistress http://dodonov.net/blog/2012/04/14/mid-april-updates-from-intel-linux-graphics-land/comment-page-1/#comment-18263 antistress Sun, 15 Apr 2012 16:51:02 +0000 http://dodonov.net/blog/?p=1279#comment-18263 <p>You may add a new category now, concerning progress related to coreboot support for SB/IB http://www.phoronix.com/scan.php?page=news_item&px=MTA4Mjg</p> You may add a new category now, concerning progress related to coreboot support for SB/IB http://www.phoronix.com/scan.php?page=news_item&px=MTA4Mjg

]]> Comment on Mid-April updates from intel linux graphics land by eugeni http://dodonov.net/blog/2012/04/14/mid-april-updates-from-intel-linux-graphics-land/comment-page-1/#comment-18262 eugeni Sun, 15 Apr 2012 13:44:52 +0000 http://dodonov.net/blog/?p=1279#comment-18262 <p>@Tomasz - no, sadly, tearing is still a mystery on sandy bridge. I came with some patches which apparently solved it, but also introduced gpu hangs.. so we are still looking for the right fix :(.</p> @Tomasz – no, sadly, tearing is still a mystery on sandy bridge. I came with some patches which apparently solved it, but also introduced gpu hangs.. so we are still looking for the right fix :( .

]]> Comment on Mid-April updates from intel linux graphics land by Tomasx http://dodonov.net/blog/2012/04/14/mid-april-updates-from-intel-linux-graphics-land/comment-page-1/#comment-18261 Tomasx Sun, 15 Apr 2012 10:27:34 +0000 http://dodonov.net/blog/?p=1279#comment-18261 <p>Thanks a lot for those updates! Do you by chance know if anything above is related to this bug: https://bugs.freedesktop.org/show_bug.cgi?id=37686#c55 ?</p> Thanks a lot for those updates! Do you by chance know if anything above is related to this bug: https://bugs.freedesktop.org/show_bug.cgi?id=37686#c55 ?

]]> Comment on Mid-April updates from intel linux graphics land by eugeni http://dodonov.net/blog/2012/04/14/mid-april-updates-from-intel-linux-graphics-land/comment-page-1/#comment-18260 eugeni Sat, 14 Apr 2012 22:56:02 +0000 http://dodonov.net/blog/?p=1279#comment-18260 <p>I think that the latest list we have is available at http://intellinuxgraphics.org/h264.html. So if I am mapping the marketing names into the core names correctly, everything starting with Core 2 Duo or so should support it. And everything above that does not have hardware for run hw-accelerated media stuff, so all they do is being done in software anyway..</p> I think that the latest list we have is available at http://intellinuxgraphics.org/h264.html. So if I am mapping the marketing names into the core names correctly, everything starting with Core 2 Duo or so should support it. And everything above that does not have hardware for run hw-accelerated media stuff, so all they do is being done in software anyway..

]]> Comment on Mid-April updates from intel linux graphics land by Marius Gedminas http://dodonov.net/blog/2012/04/14/mid-april-updates-from-intel-linux-graphics-land/comment-page-1/#comment-18259 Marius Gedminas Sat, 14 Apr 2012 22:53:00 +0000 http://dodonov.net/blog/?p=1279#comment-18259 <p>What's the oldest hardware generation that supports vaapi? My GM965 is probably too old? (And in any case my "HMPC" Asus EeePC 900 has the even older 945 graphics. Time for a change, perhaps.)</p> What’s the oldest hardware generation that supports vaapi? My GM965 is probably too old? (And in any case my “HMPC” Asus EeePC 900 has the even older 945 graphics. Time for a change, perhaps.)

]]> Comment on Mid-April updates from intel linux graphics land by eugeni http://dodonov.net/blog/2012/04/14/mid-april-updates-from-intel-linux-graphics-land/comment-page-1/#comment-18258 eugeni Sat, 14 Apr 2012 22:37:19 +0000 http://dodonov.net/blog/?p=1279#comment-18258 <p>(Just in case - the 1st season of Game of Thrones is already available on DVDs/BDs for a long time, so the ones who don't know what it is about can certainly watch it on Linux without facing all the scary copy-protection evilness and such. But beware - it will ruin your day/week/month and you won't be able to stop until the end. And then there are still months until the 2nd season comes to an end. Oh my..).</p> (Just in case – the 1st season of Game of Thrones is already available on DVDs/BDs for a long time, so the ones who don’t know what it is about can certainly watch it on Linux without facing all the scary copy-protection evilness and such. But beware – it will ruin your day/week/month and you won’t be able to stop until the end. And then there are still months until the 2nd season comes to an end. Oh my..).

]]> Comment on Compensating for long time with no news with lots and lots of them by Sven Arvidsson http://dodonov.net/blog/2012/04/01/compensating-for-long-time-with-no-news-with-lots-and-lots-of-them/comment-page-1/#comment-18232 Sven Arvidsson Wed, 04 Apr 2012 14:06:38 +0000 http://dodonov.net/blog/?p=1270#comment-18232 <p>@antistress: That bug should probably be moved, or at least refiled at bugs.freedesktop.org. It does seems to affect all Mesa drivers so calling it minor isn't right IMHO.</p> @antistress: That bug should probably be moved, or at least refiled at bugs.freedesktop.org. It does seems to affect all Mesa drivers so calling it minor isn’t right IMHO.

]]> Comment on Compensating for long time with no news with lots and lots of them by antistress http://dodonov.net/blog/2012/04/01/compensating-for-long-time-with-no-news-with-lots-and-lots-of-them/comment-page-1/#comment-18231 antistress Wed, 04 Apr 2012 11:44:28 +0000 http://dodonov.net/blog/?p=1270#comment-18231 <p>Hi,</p> <p>Just pointing out that Firefox bug : Bug 707722 - Flickering and rendering artifacts with OpenGL layers on Intel SandyBridge (Linux) https://bugzilla.mozilla.org/show_bug.cgi?id=707722 that has just been relegate to "minor" :-/</p> Hi,

Just pointing out that Firefox bug : Bug 707722 – Flickering and rendering artifacts with OpenGL layers on Intel SandyBridge (Linux) https://bugzilla.mozilla.org/show_bug.cgi?id=707722 that has just been relegate to “minor” :-/

]]> Comment on Compensating for long time with no news with lots and lots of them by antistress http://dodonov.net/blog/2012/04/01/compensating-for-long-time-with-no-news-with-lots-and-lots-of-them/comment-page-1/#comment-18229 antistress Tue, 03 Apr 2012 07:42:17 +0000 http://dodonov.net/blog/?p=1270#comment-18229 <p>@Sven Arvidsson : fortunatly there’s no blob, that's why I choose Intel !</p> @Sven Arvidsson : fortunatly there’s no blob, that’s why I choose Intel !

]]> Comment on Compensating for long time with no news with lots and lots of them by Sven Arvidsson http://dodonov.net/blog/2012/04/01/compensating-for-long-time-with-no-news-with-lots-and-lots-of-them/comment-page-1/#comment-18227 Sven Arvidsson Mon, 02 Apr 2012 22:35:58 +0000 http://dodonov.net/blog/?p=1270#comment-18227 <p>Wow, you already commented on the bug, that was fast work! I just wanted to say that I appreciate that, and I appreciate you writing these updates. :)</p> Wow, you already commented on the bug, that was fast work! I just wanted to say that I appreciate that, and I appreciate you writing these updates. :)

]]> Comment on Compensating for long time with no news with lots and lots of them by Sven Arvidsson http://dodonov.net/blog/2012/04/01/compensating-for-long-time-with-no-news-with-lots-and-lots-of-them/comment-page-1/#comment-18226 Sven Arvidsson Mon, 02 Apr 2012 21:35:46 +0000 http://dodonov.net/blog/?p=1270#comment-18226 <p>Hi,</p> <p>I would be interested on getting your input on bug https://bugs.freedesktop.org/show_bug.cgi?id=47607 and similar issues where game developers does not care about having their game working with Mesa.</p> <p>I guess this is problem particularly felt by Intel, as the Mesa driver is the official one and there's no blob to point users to.</p> <p>I think (or at least hope) that a well meaning email from someone with an @intel.com address could nudge them into solving this problem.</p> Hi,

I would be interested on getting your input on bug https://bugs.freedesktop.org/show_bug.cgi?id=47607 and similar issues where game developers does not care about having their game working with Mesa.

I guess this is problem particularly felt by Intel, as the Mesa driver is the official one and there’s no blob to point users to.

I think (or at least hope) that a well meaning email from someone with an @intel.com address could nudge them into solving this problem.

]]> Comment on Compensating for long time with no news with lots and lots of them by eugeni http://dodonov.net/blog/2012/04/01/compensating-for-long-time-with-no-news-with-lots-and-lots-of-them/comment-page-1/#comment-18225 eugeni Sun, 01 Apr 2012 22:47:06 +0000 http://dodonov.net/blog/?p=1270#comment-18225 <p>No, there is nothing related to WiDi on Linux I am aware of at the moment that I can share :/</p> No, there is nothing related to WiDi on Linux I am aware of at the moment that I can share :/

]]> Comment on Compensating for long time with no news with lots and lots of them by anonymous http://dodonov.net/blog/2012/04/01/compensating-for-long-time-with-no-news-with-lots-and-lots-of-them/comment-page-1/#comment-18224 anonymous Sun, 01 Apr 2012 16:41:02 +0000 http://dodonov.net/blog/?p=1270#comment-18224 <p>Do you, by any chance, have any information about WiDi support for Linux? Is anyone working on it?</p> Do you, by any chance, have any information about WiDi support for Linux? Is anyone working on it?

]]> Comment on How to resume a broken scp transfer by Denis http://dodonov.net/blog/2009/06/23/how-to-resume-a-broken-scp-transfer/comment-page-1/#comment-18223 Denis Fri, 30 Mar 2012 16:30:28 +0000 http://dodonov.net/blog/?p=445#comment-18223 <p>rsync's rolling checksums will mean a lot of overhead and perform rather poorly for large files (e.g. 100 GB). Curl would simply append the data which is much more efficient if you can assume that the file has not been changed in the meantime.</p> rsync’s rolling checksums will mean a lot of overhead and perform rather poorly for large files (e.g. 100 GB). Curl would simply append the data which is much more efficient if you can assume that the file has not been changed in the meantime.

]]> Comment on DICA: Como melhorar a visão em poucos dias by Filipa_Portugal http://dodonov.net/blog/2007/04/12/dica-como-melhorar-a-visao-em-poucos-dias/comment-page-1/#comment-18220 Filipa_Portugal Thu, 22 Mar 2012 17:01:14 +0000 http://dodonov.net/blog/2007/04/12/dica-como-melhorar-a-visao-em-poucos-dias/#comment-18220 <p>FUNCIONA! Li quase todos os comentários tapando cada olho alternadamente. Não esperei 30min para cada, mas funciona de fato! E dei conta que o meu olho mais preguiçoso é o direito. Os oftalmologistas não nos dizem isto... Claro, o negócio deles é vender óculos!</p> FUNCIONA! Li quase todos os comentários tapando cada olho alternadamente. Não esperei 30min para cada, mas funciona de fato! E dei conta que o meu olho mais preguiçoso é o direito. Os oftalmologistas não nos dizem isto… Claro, o negócio deles é vender óculos!

]]> Comment on DICA: Como melhorar a visão em poucos dias by Lucas http://dodonov.net/blog/2007/04/12/dica-como-melhorar-a-visao-em-poucos-dias/comment-page-1/#comment-18214 Lucas Fri, 16 Mar 2012 14:55:09 +0000 http://dodonov.net/blog/2007/04/12/dica-como-melhorar-a-visao-em-poucos-dias/#comment-18214 <p>robeta comentou o que eu pensei em falar</p> <p>e quando se tem apenas um olho, o que dá PARA FAZER ?</p> robeta comentou o que eu pensei em falar

e quando se tem apenas um olho, o que dá PARA FAZER ?

]]> Comment on Phoronix survey about Intel Linux Graphics by antistress http://dodonov.net/blog/2012/01/14/phoronix-survey-about-intel-linux-graphics/comment-page-1/#comment-18213 antistress Fri, 16 Mar 2012 11:26:24 +0000 http://dodonov.net/blog/?p=1248#comment-18213 <p>dartktable 1.0 is finally out and provides OpenCL support...</p> dartktable 1.0 is finally out and provides OpenCL support…

]]> Comment on Another round of updates coming your way by antistress http://dodonov.net/blog/2012/02/16/another-round-of-updates-coming-your-way/comment-page-1/#comment-18211 antistress Mon, 12 Mar 2012 11:22:26 +0000 http://dodonov.net/blog/?p=1266#comment-18211 <p>I've read on Phronix that Linux 3.4 will offer proper interlaced mode output support for Intel Sandy Bridge and Ivy Bridge Michael explained : "Interlaced support is relevant if you have an analog TV where using the interlaced mode can reduce flicker and enhance motion perception by only refreshing half the screen at a time (every other line), but if you're not using an interlaced TV mode, this patch-set is not important. "</p> <p>I've also read that there is some problems regarding deinterlacing through VA-API http://code.mythtv.org/trac/ticket/8593#comment:25 Could that be also solved within Linux 3.4 ?</p> I’ve read on Phronix that Linux 3.4 will offer proper interlaced mode output support for Intel Sandy Bridge and Ivy Bridge Michael explained : “Interlaced support is relevant if you have an analog TV where using the interlaced mode can reduce flicker and enhance motion perception by only refreshing half the screen at a time (every other line), but if you’re not using an interlaced TV mode, this patch-set is not important. “

I’ve also read that there is some problems regarding deinterlacing through VA-API http://code.mythtv.org/trac/ticket/8593#comment:25 Could that be also solved within Linux 3.4 ?

]]> Comment on Another round of updates coming your way by Brian http://dodonov.net/blog/2012/02/16/another-round-of-updates-coming-your-way/comment-page-1/#comment-18209 Brian Sat, 10 Mar 2012 08:58:18 +0000 http://dodonov.net/blog/?p=1266#comment-18209 <p>Great blog, waiting for a new blog post since I heard that Intel is working GLSL 1.4</p> Great blog, waiting for a new blog post since I heard that Intel is working GLSL 1.4

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