[Bf-committers] OpenGl in windowsVista ... bad news....

Bart bart at neeneenee.de
Sun Aug 7 14:02:45 CEST 2005


The latest drivers from ATI will support it too (with Catalyst 4.1 they 
started supporting it and improve it in every release).

Jordi Rovira schrieb:
> Actually, i use GLSL in my branch (girona) but only for the game
> engine. The problem is that is not widely supported yet, and only
> works with new drivers from NVIDIA.
> 
> j.
> 
> P.S. By the way, PS3 uses OpenGL. I wouldn't be concerned about it not
> being used in the future.
> 
> On 8/7/05, Ton Roosendaal <ton at blender.org> wrote:
> 
>>Hi,
>>
>>I'm concerned about OpenGL as well. After the Siggraph visit a couple
>>of trends really were clearly visible;
>>
>>- the (large) ATI and NVidia booths didn't display *anything*
>>mentioning OpenGL. Not the OpenGL logo, not the text "OpenGL" anywhere
>>(apart from in brochures). They're both heavily promoting their own
>>developer tools and APIs now.
>>
>>- Linux & OSX workstations seem to become a standard for 3D artists.
>>Talking with the larger studios (ILM, DigitalDomain, Dreamworks)
>>confirmed that. MS seems to aim more for the mass-market media & game
>>consumers.
>>
>>On the other hand... if MS adds OpenGL as an emulation layer, and it
>>still delivers 50% of the speed, that's really not that bad. For many
>>years Linux was slower in gfx too, the roles just switch. If you're
>>serious about your 3d work, you just know what OS to install then. :)
>>Nevertheless, the trend seems to be that OpenGL support narrrows down
>>to 3D tools and for scientific usage. In the future you'll see fewer
>>consumer 3d cards supporting OpenGL (like S3 already does).
>>
>>I've had a long talk with one of the Nvidia marketing guys, and he
>>confirmed Nvidia would be very interested to see GLSL (or rather their
>>own Cg) being integrated within a tool itself. None of the 3D tools out
>>there really supports this integration (only as "option", in a clumsy
>>separate window or so).
>>It wouldn't be too hard to mimic the basic Blender lighting, material
>>and texture options with GLSL, enhancing and speeding up the 'shaded
>>display' mode quite some. Here an interesting market opportunity for
>>Blender arises... with Nvidia (or ATI) willing to give support as well.
>>Are there devs out here with OpenGL 2.0 experience willing to check on
>>it? The coding work would involve writing a sortof wrapper though, to
>>enable in Blender to set an "OpenGL Profile" to denote which level of
>>HW support you have.
>>
>>-Ton-
>>
>>
>>
>>On 7 Aug, 2005, at 5:07, Campbell Barton wrote:
>>
>>
>>>I realy doubt this will happen,  without some kind of workaround.
>>>There are heaps of OpenGL apps out there, Either MS Will have an
>>>option to run OpenGL in a faster mode, ATI/NVidia might fix it with
>>>there drivers, or even modify there hardware so its not 50% as fast.
>>>If they to to OpenGL what they did to Java by releasing a crappy
>>>version. then people in the 3d industry (not a huge proportion of
>>>windows users) will pospone upgrading to Vista, and look to
>>>alternitives.
>>>I realy doubt they will shoot themselves in the foot like this. It may
>>>even be some rubbish to make people use DirectX over OpenGL.
>>>
>>>- 2cents
>>>
>>>
>>>
>>>
>>>>That's typical M$, hope there are enough other people from the
>>>>indutry fighting against this f...ing plan.
>>>>
>>>>
>>>>Frédéric van der Essen schrieb:
>>>>
>>>>
>>>>>Quote from www.opengl.org :
>>>>>
>>>>>Microsoft's current plan for OpenGL on Windows Vista is to layer
>>>>>OpenGL over Direct3D in order to use OpenGL with a composited
>>>>>desktop to obtain the Aeroglass experience. If an OpenGL ICD is run
>>>>>- the desktop compositor will switch off - significantly degrading
>>>>>the user experience. In practice this means for OpenGL under
>>>>>Aeroglass:
>>>>>
>>>>>* OpenGL performance will be significantly reduced - perhaps as much
>>>>>as 50%
>>>>>* OpenGL on Windows will be fixed at a vanilla version of OpenGL 1.4
>>>>>* No extensions will be possible to expose future hardware
>>>>>innovations
>>>>>
>>>>>It would be technically straightforward to provide an OpenGL ICD
>>>>>within the full Aeroglass experience without compromising the
>>>>>stability or the security of the operating system. Layering OpenGL
>>>>>over Direct3D is a policy decision more than a technical decision.
>>>>>
>>>>>: (
>>>>>
>>>>>_______________________________________________
>>>>>Bf-committers mailing list
>>>>>Bf-committers at projects.blender.org
>>>>>http://projects.blender.org/mailman/listinfo/bf-committers
>>>>>
>>>>
>>>>
>>>
>>>--
>>>Campbell J Barton
>>>
>>>133 Hope Street
>>>Geelong West, Victoria 3218 Australia
>>>
>>>URL:    http://www.metavr.com
>>>e-mail: cbarton at metavr.com
>>>phone: AU (03) 5229 0241
>>>
>>>_______________________________________________
>>>Bf-committers mailing list
>>>Bf-committers at projects.blender.org
>>>http://projects.blender.org/mailman/listinfo/bf-committers
>>>
>>>
>>
>>------------------------------------------------------------------------
>>--
>>Ton Roosendaal  Blender Foundation ton at blender.org
>>http://www.blender.org
>>
>>_______________________________________________
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>>Bf-committers at projects.blender.org
>>http://projects.blender.org/mailman/listinfo/bf-committers
>>
> 
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