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15 June 2010 @ 09:37 am
r300g performance  
Lately Marek Olšák has been focusing on r300g performance. He did a bunch of commits the last days that remove useless code and duplicated security checks. While doing so he also wrapped some debugging code to be enabled/disabled at compile time.

When a developer is focusing on performance this is generally a good sign, because it basically means that the groundwork is done.

On his way he also rewrote occlusion queries. The following commit line shows his intention:

This fixes flickering in Enemy Territory: Quake Wars. The driver now renders everything correctly in this game and the graphics is awesome.

I'll most likely grab myself a copy of the Enemy Territory: Quake Wars demo and test his latest achievements.
 
 
( 8 comments — Leave a comment )
(Anonymous) on June 15th, 2010 09:14 am (UTC)
Love it!
After hearing from some that Gallium r300 driver works a bit faster than clasic Mesa driver and now that Gentoo got a nice tool to switch between Gallium and classix I decided to finally try Gallium. And I was nicely surprised. Desktop effects in KDE work more smoothly now and Stellarium also works just fine and I also feel it is a bit faster. I also tried all OpenGL screensavers from XScreenSaver and most work just fine and faster, some are still very slow and one (CubeStorm) freezes the graphics (SSH still works). So all in all I'm very happy with current state of the Gallium. I'm quite surprised that in such a short time all this was achieved and can't wait to see even further performance improvements and new features. Thank you very much to all Radeon developers!
(Anonymous) on June 16th, 2010 02:00 pm (UTC)
Re: Love it!
Well this is strange. Today I also decided to try Gallium on my laptop too. But here the performance got slower. Does anyone know if this is because of different chipset (RS482 instead fo RV350 AR) or if it this has something to do with resolutions (1024x768 instead of 1280x1024)? So is Gallium slower than classic at lower resolution or is Gallium just slower on RS482?
yoshi314.openid.pl on June 15th, 2010 09:21 am (UTC)
same here
yeah, i saw his recent commit fest. didn't have time to actually check for performance improvements.

darkplaces seems to work faster and faster every now and then, though ;)
(Anonymous) on June 16th, 2010 08:00 am (UTC)
makes me want to throw away this useless (on Linux anyway) HD4850 card and get an old r300 one :/
(Anonymous) on September 11th, 2010 05:27 am (UTC)
Works Great
Works quite fast and also I am finally able to use the Blur Compiz plugin. Very well done.
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