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if that wasn't a problem for blizz, we would already have the second build of graphics engine for the game released more than a year ago, that uses a core profile of opengl version Apple started providing two years ago, don't you think?

They don't have to abandon the old graphics backend. They actually supported 2 separate ones for years.

When Lion was announced they said when they do add support for core profile, that they would keep in current backend as an option for people running an older OS.
 
They don't have to abandon the old graphics backend. They actually supported 2 separate ones for years.

When Lion was announced they said when they do add support for core profile, that they would keep in current backend as an option for people running an older OS.

yep. that was two years ago. still no support for D3.
from my POV what they said and what they done are two different stories.
 
Not saying that overall impressions while gaming are not relevant, but it'd be nice to have more standard and quantitative benchmarks to compare 10.8 to 10.9.

Unigine Heaven is a benchmark that uses the openGL 3/4 core profile and tessellation (openGL 4) on supported hardware. It should be a good test.
It gives 7% higher score on Mavericks DP1 compared to 10.8.4 (Geforce 9600M GT), but DP2 doesn't appear faster than ML at that test.
http://unigine.com/products/heaven/
 
I would like to see complete 4.2 support and maybe some of .3 around the release.

What's been added to .2 and .3 that makes it a compelling upgrade for you? Other than just making the number versions to parity on paper?

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Not saying that overall impressions while gaming are not relevant, but it'd be nice to have more standard and quantitative benchmarks to compare 10.8 to 10.9.

Unigine Heaven is a benchmark that uses the openGL 3/4 core profile and tessellation (openGL 4) on supported hardware. It should be a good test.
It gives 7% higher score on Mavericks DP1 compared to 10.8.4 (Geforce 9600M GT), but DP2 doesn't appear faster than ML at that test.
http://unigine.com/products/heaven/

When you run Heaven, do you enable the hardware tessellation? And if so, do you see the effects of the tessellation?

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so...blizzard had all the games like starcraft /diablo use OpenGl 3, so the improvements you see is tha gap between opengl 1.2-v3. So the developers will have to bring even more to make their games support opengl 4 and i thing beginning with 2014 will have no more differences between windows and maverciks performance

We should only expect Mac versions of games to get the OGL 4.1 treatment where the Windows version is already there (if it wasn't originally a DX game. I would think that the effort involved in implementing OGL 4.1 support if it doesn't already exist in the game code would be much more substantial, and individual developers/porters will have to judge for themselves if that work is worth it or not.
 
I fully agree! Furthermore, 4.2 does not really bring anything interesting to the table. OpenGL 4.3 is a different story - it offers debugging capabilities, serious enhancements to the shaders and texture views and ETC texture compression. All of these are really big things!

Thanks for the insight!
 
When you run Heaven, do you enable the hardware tessellation? And if so, do you see the effects of the tessellation?
My GPU doesn't support it, but from other reports Mavericks does enable tessellation in Heaven.
 
I run Primordia on 10.9 and it runs at least as good as it did on 10.7. I've also haven't noticed any increase in fans' RPM.
 
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