BTW, the build instructions, like mentioned in the INSTALL file would be
something like:
cd to the brlcad sources directory (where the INSTALL file is)
$ mkdir build
$ cd build
$ cmake .. -DBRLCAD_BUNDLED_LIBS=ON -DCMAKE_BUILD_TYPE=Release
-DBRLCAD_ENABLE_OPENCL=ON
$ make
On Wed, Mar 21, 2018 at 12:56 AM, Vasco Alexandre da Silva Costa <
[email protected]> wrote:
> That seems like a really strange error message. I would assume the
> particular libpng configuration script depends on a version of awk
> different than the one you have installed (probably gawk). On which
> operating system are you trying to compile BRL-CAD?
>
>
> On Tue, Mar 20, 2018 at 8:55 PM, Sreyansh Jain <[email protected]>
> wrote:
>
>> Yes, I was able to configure the build with OpenCL library but I was
>> stuck at compiling when the following error came:
>>
>> [ 5%] Generating pnglibconf.c
>>> options.awk: bad line (10): com
>>> CMake Error at scripts/gensrc.cmake:68 (message):
>>> Failed to generate pnglibconf.tf5
>>>
>>> src/other/libpng/CMakeFiles/genfiles.dir/build.make:84: recipe for
>>> target 'src/other/libpng/pnglibconf.c' failed
>>> make[2]: *** [src/other/libpng/pnglibconf.c] Error 1
>>> CMakeFiles/Makefile2:4019: recipe for target
>>> 'src/other/libpng/CMakeFiles/genfiles.dir/all' failed
>>> make[1]: *** [src/other/libpng/CMakeFiles/genfiles.dir/all] Error 2
>>> Makefile:160: recipe for target 'all' failed
>>> make: *** [all] Error 2
>>
>>
>> How do I proceed from here?
>>
>>
>> Okay. Thank you for the review and guidance. I'll make those changes in
>> the proposal accordingly.
>>
>>
>> Warm Regards,
>>
>> *Sreyansh Kumhar Jain*
>> 4th Year Undergraduate Student
>> Department of Mechanical Engineering
>> Indian Institute of Technology, Kharagpur
>> *+91-9933958066 <+91%2099339%2058066>*
>>
>> [email protected]
>> Facebook <https://www.facebook.com/sreyansh.sonu> | LinkedIn
>> <https://www.linkedin.com/in/sreyansh-kumhar-jain-a61428104/>
>>
>> On Tue, Mar 20, 2018 at 9:51 PM, Vasco Alexandre da Silva Costa <
>> [email protected]> wrote:
>>
>>> I've looked at the draft proposal. It seems a bit ambitious with regards
>>> to timelines (e.g. DSP, PIPE, are non-trivial). But overall it seems to be
>>> an interesting proposal. Make sure you submit patches as you go so it will
>>> make it easier to integrate the code into the mainline tree. The
>>> deliverables (i.e. code drops) need to be made clearer in the proposal
>>> text. While I am assuming you'll make a patch per primitive that's isn't
>>> clear. See:
>>> https://google.github.io/gsocguides/student/writing-a-proposal
>>>
>>> Regards,
>>>
>>> On Tue, Mar 13, 2018 at 9:48 PM, Sreyansh Jain <[email protected]
>>> > wrote:
>>>
>>>> Hi,
>>>>
>>>> I've submitted the patch file. Do let me know suggestions for that, if
>>>> any. I'll share the rough initial draft of the proposal for your review and
>>>> recommendation soon.
>>>>
>>>>
>>>> Warm Regards,
>>>>
>>>> *Sreyansh Kumhar Jain*
>>>> 4th Year Undergraduate Student
>>>> Department of Mechanical Engineering
>>>> Indian Institute of Technology, Kharagpur
>>>> *+91-9933958066 <+91%2099339%2058066>*
>>>>
>>>> [email protected]
>>>> Facebook <https://www.facebook.com/sreyansh.sonu> | LinkedIn
>>>> <https://www.linkedin.com/in/sreyansh-kumhar-jain-a61428104/>
>>>>
>>>> On Tue, Mar 13, 2018 at 7:40 AM, Christopher Sean Morrison <
>>>> [email protected]> wrote:
>>>>
>>>>> Sreyansh,
>>>>>
>>>>> Before moving onto other primitives, please submit a patch file with
>>>>> your changes (including any new files) and demonstrate the superell
>>>>> working
>>>>> via OpenCL…
>>>>>
>>>>> You should definitely be drafting a proposal for review at this
>>>>> point. Proposal submissions opened today.
>>>>>
>>>>> Cheers!
>>>>> Sean
>>>>>
>>>>>
>>>>> On Mar 12, 2018, at 5:50 PM, Sreyansh Jain <[email protected]>
>>>>> wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> Thank you so much for the detailed guidance. Having gone through all
>>>>> the reference codes given, I've successfully ported the SUPERELL primitive
>>>>> to OpenCL. I'll try to do the same for HYP and others as well before
>>>>> the final application deadline. Should I proceed with drafting the
>>>>> proposal for review or is there something else that needs to be done?
>>>>>
>>>>> Eagerly looking to your revert.
>>>>>
>>>>>
>>>>> Warm Regards,
>>>>>
>>>>> *Sreyansh Kumhar Jain*
>>>>> 4th Year Undergraduate Student
>>>>> Department of Mechanical Engineering
>>>>> Indian Institute of Technology, Kharagpur
>>>>> *+91-9933958066 <+91%2099339%2058066>*
>>>>>
>>>>> [email protected]
>>>>> Facebook <https://www.facebook.com/sreyansh.sonu> | LinkedIn
>>>>> <https://www.linkedin.com/in/sreyansh-kumhar-jain-a61428104/>
>>>>>
>>>>> On Tue, Mar 6, 2018 at 10:56 PM, Vasco Alexandre da Silva Costa <
>>>>> [email protected]> wrote:
>>>>>
>>>>>> Hello!
>>>>>> You can start by implementing one of the primitives which hasn't been
>>>>>> ported over to OpenCL yet.
>>>>>> There were a lot of issues with porting the HRT primitive last year,
>>>>>> probably because of the solver, so I would advise you to try to port
>>>>>> something simpler like either HYP or SUPERELL which shouldn't have any
>>>>>> issues.
>>>>>>
>>>>>> There is a quick reference guide to BRL-CAD MGED commands and
>>>>>> primitives here:
>>>>>> http://brlcad.org/w/images/5/52/MGED_Quick_Reference_Card.pdf
>>>>>>
>>>>>> Here is a reference card for OpenCL 1.2 (what we currently use)
>>>>>> commands and language constructs:
>>>>>> https://www.khronos.org/files/opencl-1-2-quick-reference-card.pdf
>>>>>>
>>>>>> I code for BRL-CAD using the Linux operating system. The other
>>>>>> developers typically use either that or Mac OS X.
>>>>>> Make sure to setup your development environment and install OpenCL on
>>>>>> your system. This program might be of help since it queries the installed
>>>>>> OpenCL versions to determine the supported version, etc:
>>>>>> https://github.com/simleb/clinfo
>>>>>>
>>>>>> You should provide a patch for that primitive (HYP or SUPERELL)
>>>>>> before GSoC officially starts. It shouldn't be too hard to do since you
>>>>>> can
>>>>>> use one of the other already ported primitives (like ELL) as a template.
>>>>>> You basically need to port the ray-primitive intersection (shot) code
>>>>>> from
>>>>>> C to OpenCL and to provide the glue code which packs and unpacks that
>>>>>> primitive from the C side to the OpenCL side.
>>>>>>
>>>>>>
>>>>>> I have a task list, of things to do, for the OpenCL ray tracer here:
>>>>>> http://brlcad.org/wiki/User:Vasco.costa
>>>>>>
>>>>>> You can use this as a basis to write your actual proposal. Of the
>>>>>> things in that todo list I would say that PIPE, DSP, BOT plate mode, and
>>>>>> BREPs are the most significant.
>>>>>>
>>>>>> Before you write the proposal and allocate time for the tasks you
>>>>>> should read the relevant code that you will have to port from ANSI C/C++
>>>>>> to
>>>>>> OpenCL to get an idea of the complexity of the tasks. Most of the
>>>>>> relevant
>>>>>> code is located in this code tree:
>>>>>> https://svn.code.sf.net/p/brlcad/code/brlcad/trunk/src/librt
>>>>>> /primitives/
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> On Tue, Mar 6, 2018 at 4:28 PM, Sreyansh Jain <
>>>>>> [email protected]> wrote:
>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> I'm new to the open source community but I'm well-versed with
>>>>>>> Python, C and CUDA while a beginner in OpenCL. I went through the
>>>>>>> project
>>>>>>> ideas list and I believe I can contribute to one on *GPGPU
>>>>>>> Raytracing*. Can you guide me on how to start contributing to these
>>>>>>> as of now. I hope I'm not that late.
>>>>>>>
>>>>>>>
>>>>>>> Warm Regards,
>>>>>>>
>>>>>>> Sreyansh Kumhar Jain
>>>>>>> 4th Year Undergraduate
>>>>>>> IIT Kharagpur
>>>>>>>
>>>>>>>
>>>>>>> ------------------------------------------------------------
>>>>>>> ------------------
>>>>>>> Check out the vibrant tech community on one of the world's most
>>>>>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>>>>>>> _______________________________________________
>>>>>>> BRL-CAD Developer mailing list
>>>>>>> [email protected]
>>>>>>> https://lists.sourceforge.net/lists/listinfo/brlcad-devel
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Vasco Alexandre da Silva Costa
>>>>>> PhD in Computer Engineering (Computer Graphics)
>>>>>> Instituto Superior Técnico/University of Lisbon, Portugal
>>>>>>
>>>>>> ------------------------------------------------------------
>>>>>> ------------------
>>>>>> Check out the vibrant tech community on one of the world's most
>>>>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>>>>>> _______________________________________________
>>>>>> BRL-CAD Developer mailing list
>>>>>> [email protected]
>>>>>> https://lists.sourceforge.net/lists/listinfo/brlcad-devel
>>>>>>
>>>>>>
>>>>> ------------------------------------------------------------
>>>>> ------------------
>>>>> Check out the vibrant tech community on one of the world's most
>>>>> engaging tech sites, Slashdot.org <http://slashdot.org/>! http://sd
>>>>> m.link/slashdot_______________________________________________
>>>>> BRL-CAD Developer mailing list
>>>>> [email protected]
>>>>> https://lists.sourceforge.net/lists/listinfo/brlcad-devel
>>>>>
>>>>>
>>>>>
>>>>> ------------------------------------------------------------
>>>>> ------------------
>>>>> Check out the vibrant tech community on one of the world's most
>>>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>>>>> _______________________________________________
>>>>> BRL-CAD Developer mailing list
>>>>> [email protected]
>>>>> https://lists.sourceforge.net/lists/listinfo/brlcad-devel
>>>>>
>>>>>
>>>>
>>>> ------------------------------------------------------------
>>>> ------------------
>>>> Check out the vibrant tech community on one of the world's most
>>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>>>> _______________________________________________
>>>> BRL-CAD Developer mailing list
>>>> [email protected]
>>>> https://lists.sourceforge.net/lists/listinfo/brlcad-devel
>>>>
>>>>
>>>
>>>
>>> --
>>> Vasco Alexandre da Silva Costa
>>> PhD in Computer Engineering (Computer Graphics)
>>> Instituto Superior Técnico/University of Lisbon, Portugal
>>>
>>> ------------------------------------------------------------
>>> ------------------
>>> Check out the vibrant tech community on one of the world's most
>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>>> _______________________________________________
>>> BRL-CAD Developer mailing list
>>> [email protected]
>>> https://lists.sourceforge.net/lists/listinfo/brlcad-devel
>>>
>>>
>>
>> ------------------------------------------------------------
>> ------------------
>> Check out the vibrant tech community on one of the world's most
>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>> _______________________________________________
>> BRL-CAD Developer mailing list
>> [email protected]
>> https://lists.sourceforge.net/lists/listinfo/brlcad-devel
>>
>>
>
>
> --
> Vasco Alexandre da Silva Costa
> PhD in Computer Engineering (Computer Graphics)
> Instituto Superior Técnico/University of Lisbon, Portugal
>
--
Vasco Alexandre da Silva Costa
PhD in Computer Engineering (Computer Graphics)
Instituto Superior Técnico/University of Lisbon, Portugal
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
_______________________________________________
BRL-CAD Developer mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/brlcad-devel
