[Bf-committers] what is the license of Blender GLSL shaders?

[Tom M]

Ton,

check with FSF, but I seriously doubt that a shader would be
expressive, and hence is not copyrightable.

A generated shader is even less likely to be viewed as expressive.

LetterRip

On Thu, Oct 13, 2011 at 1:36 AM, Ton Roosendaal <ton at blender.org> wrote:
> Hi Dalai,
>
> First: there's no "BF" or "BFL" license... it's just "GNU GPL v2 or
> later". :)
>
> If I understand the function well, it's generating a text file using
> the GLSL shader code as in our svn (which is GPL). In that way the
> exported glsl code remains GPL.
>
> -Ton-
>
> ------------------------------------------------------------------------
> Ton Roosendaal  Blender Foundation   ton at blender.org    www.blender.org
> Blender Institute   Entrepotdok 57A  1018AD Amsterdam   The Netherlands
>
> On 13 Oct, 2011, at 8:17, Dalai Felinto wrote:
>
>> Hi,
>> I understand that Blender code is under GPL/BF licensing.
>>
>> But if I use the command (added on rev. 40061):
>> shader = gpu.export_shader(scene,material)
>>
>> Is the shader still GPL/BFL? The shader is made of snippets of
>> Blender code,
>> so I can see what lawyers may clam. And technically speaking a GLSL
>> Shader
>> is a program (compiles and run in the GPU).
>>
>> It would be really sad if this is the case though. Otherwise this
>> could be
>> used for external engines.
>>
>> Thanks,
>> Dalai
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