On Wed, Mar 16, 2016 at 3:25 PM, benson chepkwony <bchepk...@att.net> wrote:
> What version of OpenCL version does the Brlcad applications renders on?
>
> If my computer has a different version does it matter or it get supported?
>
BRL-CAD render compute support currently requires OpenCL 1.2 or greater.
> I installed OpenCL 2.0 (Version) including; All the CL/.. header files.
> Because currently my computer is;
> Windows 10, and comes with OPENCL 2.0.4.0 drivers.
> Do I have to ADD any Path to the Environment and/or to IDE to point to the
> OpenCL Library/bin?
>
> Since Windows 10 comes with OpenCL 2.0.4.0 drivers, I guess this is
> compatible with an AMD NVIDIA card and I should not have to worry about the
> Nvidia card version.
>
I think most BRL-CAD developers are using Linux or some other UNIX like
environment.
> Do I have to set OpenCL Environment Variable in the computer system to
> EQUAL the number of Processors?
>
This ain't OpenMP.
> How many Platforms are there in GPU or computer? is that suppose to be
> equal to the number of processors?
>
You can find this by running clinfo.
> And can you also explain more about the boolean Evaluation and the
> Constructive Solid Geometry(CSG) operations. And what needs to be done here?
>
Sean some time ago linked to a presentation which explains the concepts
behind boolean ops and CSG quite well:
http://web.iitd.ac.in/~hegde/cad/lecture/L30_solidmod_basics.pdf
What needs to be done is to implement the boolean evaluation and CSG in
OpenCL. The OpenCL backend has a sufficient amount of ray-primitive shot
tests to go with and the ray traversal is already accelerated with a BVH.
This task requires a background in ray-tracing and OpenCL/C.
--
Vasco Alexandre da Silva Costa
PhD in Computer Engineering (Computer Graphics)
Instituto Superior Técnico/University of Lisbon, Portugal
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