[Bf-cycles] Cycles standalone repository

Nathan Letwory nathan at mcneel.com
Mon Nov 17 09:34:52 CET 2014

Hash: SHA1


Amendment to my previous message: Perhaps I could work directly in a
branch on git.blender.org:cycles.git instead of redirecting through
github.com. That'd probably make it much easier also to merge any
useful commits from my work back into Cycles master.

/Nathan Letwory
Developer at Robert McNeel & Associates

On 15/11/2014 17:54, Sergey Sharybin wrote:
> Hi,
> Last few evenings i've been working on making a dedicated 
> repository for Cycles renderer and at this point it seems to be 
> ready for public access now, even though some more work is 
> required.
> = Motivation =
> Main motivation of creating standalone repository for Cycles is to
>  simplify access for new developers who wants to hack into Cycles 
> code but don't want to bother cloning the whole Blender repository 
> and setting up environment for blender compilation.
> It was kind of possible to only compile Cycles from Blender 
> repository as well, but that process was really tedious.
> = What repository contains =
> Repository contains the full history of Cycles, starting from the 
> original commit to the Blender SVN. This means it's possible to 
> track down every change in the sources. The only thing here is
> that it's not possible to compile old sources. This is because
> build system for standalone repository was added just now and
> trying to put it somewhere in the past was rather tricky.
> Sources are mainly a direct dump from Blender, so it shouldn't be 
> difficult to keep Cycles in Blender and standalone repositories in 
> sync. There are a bit of changes to build system which we'll need 
> to backport to blender (namely CMake variables name convention).
> Repository contains README file which describes how to compile 
> Cycles. Compilation is so called "works for me", so more tweaks
> are likely needed before compilation becomes flawless for
> everyone.
> *NOTE*: Windows is not supported atm! It's because of some 
> dependencies which are not so clear to get. Mainly OpenGL, GLUT
> and GLEW. Don't worry, we will support Windows eventually, we just
> need to start from something!
> The repository also contains folder with .xml examples, so it's 
> really easy to test render engine just after compilation.
> = Build system =
> Currently CMake is used as a build system, and likely it'll be it,
> = Where the repository is =
> It is on our server, read-only access is
> git clone git://git.blender.org/cycles.git 
> <http://git.blender.org/cycles.git>
> for write access (needs SSH key and you need to be a developer of 
> the project)
> git clone git at git.blender.org:cycles.git
> To browse repository online please visit:
> https://developer.blender.org/diffusion/C/
> = Authors =
> The repository contains the file with everyone who contributed to 
> Cycles. This is somewhat common for all open source projects to 
> have such a file.
> Currently this file contains authors of commits, so if someone 
> submitted patch which was committed by someone else please let me 
> know -- that'd be easier than reading all the commit messages 
> searching for such information.
> = Synchronization with Blender =
> Ideally we'll need to have some automated way to sync changes 
> between Blender and Cycles, but it is not done yet. Exact way how 
> to keep things in sync i'll publish later.
> For now we can do manual synchronization, which is not THAT bad.
> = Known TODOs =
> - Windows build is not supported at this moment. - Logging option 
> is exposed as an option but wouldn't work now. - Installation 
> target is not tested and would need more work. - Compiled .oso 
> files are not put to the final location, so manual copy is
> required for now. - Set up mailing list for commits (if we need
> one?)
> I'm pretty much sure i forgot to put some information in this email
> which i wanted, but the mail becomes too long already, so i'd 
> rather wrap up now and answer the questions as they arrive.
> -- With best regards, Sergey Sharybin
> _______________________________________________ Bf-cycles mailing 
> list Bf-cycles at blender.org 
> http://lists.blender.org/mailman/listinfo/bf-cycles

- -- 
Nathan Letwory
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