Chris, We regularly test osgEarth against ATI cards. For the most part things work fine; there are a couple issues though:
- The GLSL compiler on ATI is strict, whereas NVIDIA's is very forgiving. Not a bad thing, but underscores the importance of testing on ATI - Uniform array addressing is handled differently, so you have to account for that in the code. As far as I can tell, ATI's scheme is compliant, but OSG does not support it directly. - A couple things I haven't gotten to work on ATI, particularly the sky node (stars/sun); have not figured that one out yet... Glenn Waldron / Pelican Mapping / 703.652.4791 / @glennwaldron On Tue, Apr 5, 2011 at 1:07 PM, Chris 'Xenon' Hanson <[email protected]>wrote: > I'm projecting to get a new development system in the next year or so, > which means about > 6 months of planning before I buy something. > > I've been on Nvidia for the last few years, and have been mostly happy > with the driver > support, but I'm looking toward ATI/AMD again because NVidia's OpenCL > 64-bit FPU > performance is allegedly crippled in their latest consumer hardware, > putting it in a > severe disadvantage against rival parts from AMD: > > > http://www.anandtech.com/show/2977/nvidia-s-geforce-gtx-480-and-gtx-470-6-months-late-was-it-worth-the-wait-/6 > > My main concern with AMD/ATI is the poor quality of drivers I've > experienced in past > years. I run Win7/64 right now. Can anyone weigh in on the recent quality > of these drivers? > > -- > Chris 'Xenon' Hanson, omo sanza lettere. [email protected] > http://www.alphapixel.com/ > Digital Imaging. OpenGL. Scene Graphs. GIS. GPS. Training. Consulting. > Contracting. > "There is no Truth. There is only Perception. To Perceive is to Exist." > - Xen > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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