[osg-users] Are there any plans for GPGPU utiliziation in OSG?

J.P. Delport jpdelport at csir.co.za
Wed Sep 17 23:39:10 PDT 2008


Hi,

we've found OSG to be quite useful for image processing type GPGPU work. 
One can get quite a bit done in OSG with GLSL, multiple passes and 
multi-target FBOs.

jp

Robert Osfield wrote:
> Hi Judie,
> 
> You wouldn't integrate GPUPU in the same way as SIMD instructions on
> the CPU for matrix operations, rather you'd use it a similar way to
> present GLSL programs - that you pack the input a large block of data
> with a program and execute it on the GPU then later get the results.
> 
> There is OpenGL integration with Cuda and the up coming OpenCL which
> might make it useful for combining things like physics and effects
> with geometry and textures in the scene.
> 
> I don't forsee the OSG being a general route into GPUPU, the OSG is a
> scene graph for representing scenes and rendering it.
> 
> Robert.
> 
> On Wed, Sep 17, 2008 at 6:14 PM, Judie Stanley
> <judie.m.stanley at gmail.com> wrote:
>> Hi,
>>
>> Are there any plans for utilizing General Purpose GPU for matrix operations?
>> At SIGGRAPH 2008, there was a lot of discussion about utilizing the GPU this
>> way and some hardware independent libraries for using GPGPU do exist. I am
>> currently looking into this for future projects.
>>
>> Thank you,
>>
>> Judie
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>>
>>
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