Yes I noted that, but too late. I will think about it for my next purchase! Anyway, thanks for the confirmation.
Jerome 2010/3/6 Wagner Sales <[email protected]> > Hi Jerôme, > > The ATI driver ( or GLSL compiler ) are very buggy. Because that, GPU > ray casting will work only on NVidia cards on Linux and Windows. Mac > have issues too. > > Regards, > > Wagner > > 2010/3/6 Jérôme <[email protected]>: > > Hi, > > I ran into the "empty not supported extensions list", with > linux/ATI/Mesa. > > By reading, I found that the problem is not due to extensions, but due > > to: > > > > if(strstr(gl_vendor,"ATI")!=0) > > { > > this->LoadExtensionsSucceeded=0; > > return; > > } > > > > and > > if(strstr(gl_version,"Mesa")!=0) > > { > > this->LoadExtensionsSucceeded=0; > > return; > > } > > > > (Code from > > ParaView3/VTK/VolumeRendering/vtkOpenGLGPUVolumeRayCastMapper.cxx) > > > > My feeling is that GPU raycast mapping is impossible with ATI card. > > My question is: Am I wrong? If there is any, what should I do to enable > GPU > > rendering on ATI? > > > > Thanks a lot! > > > > Jerome > > (ps: I tried with an NVidia quadro and... wow! Thanks!) > > > > > > > > 2010/3/2 Wagner Sales <[email protected]> > >> > >> Hi all, > >> > >> Sorry by ask this same question twice times. I know about Mac issues. > >> But I'm starting in parallel volume rendering playground, and I really > >> don't know how to take ( if possible ) advantages from GPU volume > >> rendering in a parallel environment. May be my knowledge aren't the > >> sufficient to know this by myself. Are advantages on this field? For > >> example, can we render a large dataset in multiple machines using the > >> GPU power instead the current approaches, that's relies ( at least I > >> know ) on the CPUs? And, if possible, are some SLI support too? > >> > >> Best regards, > >> > >> Wagner > >> > >> 2010/3/1 Eric E. Monson <[email protected]>: > >> > Hey all, > >> > > >> > Thanks for the feedback. Yup, I can get it to error out just as you > >> > said! :) > >> > > >> > I guess I'd seen something about this on the list regarding VTKEdge, > but > >> > hadn't remembered. Please let us all know, though, if a solution pops > up. > >> > > >> > Talk to you later, > >> > -Eric > >> > > >> > > >> > On Mar 1, 2010, at 1:54 PM, Francois Bertel wrote: > >> > > >> >> Hello, > >> >> > >> >> The GPU Rast Mapper does not work on Mac so it is skipped to avoid > bad > >> >> behavior. > >> >> > >> >> It is skipped because: > >> >> > >> >> 1. on Snow Leopard with an nVidia card, the GPU Ray Cast mapper > >> >> triggers a bug in the OpenGL driver (that we cannot locate precisely > >> >> enough) and the driver will exit the application with: > >> >> > >> >> (0) : fatal error C9999: Nested functions, aborting! > >> >> > >> >> or: > >> >> > >> >> (0) : fatal error C9999: *** exception during compilation *** > >> >> Cg compiler terminated due to fatal error > >> >> > >> >> > >> >> 2. On Leopard, a user reported a corrupted image. > >> >> > >> >> If you are adventurous, and see what happen for your specific > >> >> configuration, you can comment out the lines in > >> >> VTK/VolumeRendering/vtkOpenGLGPUVolumeRayCastMapper.cxx that skip > the > >> >> Macs: > >> >> > >> >> // It does not work on Apple OS X Snow Leopard with nVidia. > >> >> // There is a bug in the OpenGL driver with an error in the > >> >> // Cg compiler about an infinite loop. > >> >> #ifdef __APPLE__ > >> >> this->LoadExtensionsSucceeded=0; > >> >> return; > >> >> #endif > >> >> > >> >> Regards > >> >> > >> >> On Mon, Mar 1, 2010 at 1:05 PM, Aashish Chaudhary > >> >> <[email protected]> wrote: > >> >>> Eric, > >> >>> > >> >>> Yes you do need to have certain extensions. Now the mapper I have > not > >> >>> written myself and hence I am forwarding this email to vtk users > list. > >> >>> I > >> >>> hope that the original author would respond to it. > >> >>> > >> >>> I will see if we can produce a better message which could list the > >> >>> missing > >> >>> extensions. > >> >>> > >> >>> Thanks for testing it out. > >> >>> > >> >>> ~Regards, > >> >>> Aashish > >> >>> > >> >>> > >> >>> On Mon, Mar 1, 2010 at 12:56 PM, Eric E. Monson < > [email protected]> > >> >>> wrote: > >> >>>> > >> >>>> Hey Aashish, > >> >>>> I've been having trouble with it, too, on my Mac (OS X 10.6.2, PV > >> >>>> compiled > >> >>>> serial x86_64 arch updated from CVS and rebuilt today, CMake > >> >>>> 2.9.20100113). > >> >>>> Are there any special hardware requirements, then? I can see the > GPU > >> >>>> Volume > >> >>>> Mapper option, but when I switch over to that from the "Fixed > point" > >> >>>> mapper > >> >>>> I get this error: > >> >>>> ERROR: > >> >>>> In > >> >>>> > /Users/emonson/Programming/ParaView_cvs/ParaView3/VTK/VolumeRendering/vtkOpenGLGPUVolumeRayCastMapper.cxx, > >> >>>> line 4110 > >> >>>> vtkOpenGLGPUVolumeRayCastMapper (0x12082cc00): Rendering failed > >> >>>> because > >> >>>> the following OpenGL extensions are required but not supported: > >> >>>> > >> >>>> (Just as this shows, the list of OpenGL extensions it says are > >> >>>> required > >> >>>> but not supported is empty...) My graphics card is a NVIDIA GeForce > >> >>>> 8800 GT. > >> >>>> Thanks, > >> >>>> -Eric > >> >>>> ------------------------------------------------------ > >> >>>> Eric E Monson > >> >>>> Duke Visualization Technology Group > >> >>>> > >> >>>> On Mar 1, 2010, at 11:55 AM, Aashish Chaudhary wrote: > >> >>>> > >> >>>> No there is no special option required but you would have to update > >> >>>> your > >> >>>> paraview cvs copy as the code got into cvs last thursday. > >> >>>> > >> >>>> Can you update and compile again? > >> >>>> > >> >>>> Thanks, > >> >>>> > >> >>>> > >> >>>> > >> >>>> On Sun, Feb 28, 2010 at 2:27 PM, Pierre-Olivier Dallaire > >> >>>> <[email protected]> wrote: > >> >>>>> > >> >>>>> Hi, > >> >>>>> Do we need to enable a special option in the CMakeCache.txt file > in > >> >>>>> order to get this feature ? > >> >>>>> I compiled the CVS version on Mac and cannot access the GPU option > >> >>>>> for > >> >>>>> volume rendering. > >> >>>>> Regards, > >> >>>>> PO > >> >>>>> On 2010-02-26, at 10:58 AM, Aashish Chaudhary wrote: > >> >>>>> > >> >>>>> All, > >> >>>>> > >> >>>>> I am pleased to announce that ParaView3 now has GPU based volume > >> >>>>> rendering from VTKEdge. Its currently in CVS and should be able > to > >> >>>>> make > >> >>>>> into 3.8 release. > >> >>>>> Currently it does not work in tile display mode but we are hoping > to > >> >>>>> fix > >> >>>>> it in near future. Any bug reports are welcome. > >> >>>>> > >> >>>>> Attached is the screen shot. > >> >>>>> > >> >>>>> ~Regards, > >> >>>>> > >> >>>>> -- > >> >>>>> | Aashish Chaudhary > >> >>>>> | R&D Engineer > >> >>>>> | Kitware Inc. > >> >>>>> | www.kitware.com > >> >>>>> <Screenshot.jpg>_______________________________________________ > >> >>>>> Powered by www.kitware.com > >> >>>>> > >> >>>>> Visit other Kitware open-source projects at > >> >>>>> http://www.kitware.com/opensource/opensource.html > >> >>>>> > >> >>>>> Please keep messages on-topic and check the ParaView Wiki at: > >> >>>>> http://paraview.org/Wiki/ParaView > >> >>>>> > >> >>>>> Follow this link to subscribe/unsubscribe: > >> >>>>> http://www.paraview.org/mailman/listinfo/paraview > >> >>>>> > >> >>>> > >> >>>> > >> >>>> > >> >>>> -- > >> >>>> | Aashish Chaudhary > >> >>>> | R&D Engineer > >> >>>> | Kitware Inc. > >> >>>> | www.kitware.com > >> >>>> _______________________________________________ > >> >>>> Powered by www.kitware.com > >> >>>> > >> >>>> Visit other Kitware open-source projects at > >> >>>> http://www.kitware.com/opensource/opensource.html > >> >>>> > >> >>>> Please keep messages on-topic and check the ParaView Wiki at: > >> >>>> http://paraview.org/Wiki/ParaView > >> >>>> > >> >>>> Follow this link to subscribe/unsubscribe: > >> >>>> http://www.paraview.org/mailman/listinfo/paraview > >> >>>> > >> >>> > >> >>> > >> >>> > >> >>> -- > >> >>> | Aashish Chaudhary > >> >>> | R&D Engineer > >> >>> | Kitware Inc. > >> >>> | www.kitware.com > >> >>> > >> >>> _______________________________________________ > >> >>> Powered by www.kitware.com > >> >>> > >> >>> Visit other Kitware open-source projects at > >> >>> http://www.kitware.com/opensource/opensource.html > >> >>> > >> >>> Please keep messages on-topic and check the VTK FAQ at: > >> >>> http://www.vtk.org/Wiki/VTK_FAQ > >> >>> > >> >>> Follow this link to subscribe/unsubscribe: > >> >>> http://www.vtk.org/mailman/listinfo/vtkusers > >> >>> > >> >>> > >> >> > >> >> > >> >> > >> >> -- > >> >> François Bertel, PhD | Kitware Inc. Suite 204 > >> >> 1 (518) 371 3971 x113 | 28 Corporate Drive > >> >> | Clifton Park NY 12065, USA > >> > > >> > _______________________________________________ > >> > Powered by www.kitware.com > >> > > >> > Visit other Kitware open-source projects at > >> > http://www.kitware.com/opensource/opensource.html > >> > > >> > Please keep messages on-topic and check the VTK FAQ at: > >> > http://www.vtk.org/Wiki/VTK_FAQ > >> > > >> > Follow this link to subscribe/unsubscribe: > >> > http://www.vtk.org/mailman/listinfo/vtkusers > >> > > >> _______________________________________________ > >> Powered by www.kitware.com > >> > >> Visit other Kitware open-source projects at > >> http://www.kitware.com/opensource/opensource.html > >> > >> Please keep messages on-topic and check the VTK FAQ at: > >> http://www.vtk.org/Wiki/VTK_FAQ > >> > >> Follow this link to subscribe/unsubscribe: > >> http://www.vtk.org/mailman/listinfo/vtkusers > > > > >
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