Hallam Roberts 82df48227b Nodes: Add general Combine/Separate Color nodes
Inspired by D12936 and D12929, this patch adds general purpose
"Combine Color" and "Separate Color" nodes to Geometry, Compositor,
Shader and Texture nodes.
- Within Geometry Nodes, it replaces the existing "Combine RGB" and
  "Separate RGB" nodes.
- Within Compositor Nodes, it replaces the existing
  "Combine RGBA/HSVA/YCbCrA/YUVA" and "Separate RGBA/HSVA/YCbCrA/YUVA"
  nodes.
- Within Texture Nodes, it replaces the existing "Combine RGBA" and
  "Separate RGBA" nodes.
- Within Shader Nodes, it replaces the existing "Combine RGB/HSV" and
  "Separate RGB/HSV" nodes.

Python addons have not been updated to the new nodes yet.

**New shader code**
In node_color.h, color.h and gpu_shader_material_color_util.glsl,
missing methods hsl_to_rgb and rgb_to_hsl are added by directly
converting existing C code. They always produce the same result.

**Old code**
As requested by T96219, old nodes still exist but are not displayed in
the add menu. This means Python scripts can still create them as usual.
Otherwise, versioning replaces the old nodes with the new nodes when
opening .blend files.

Differential Revision: https://developer.blender.org/D14034
2022-05-04 18:44:03 +02:00
2021-10-23 10:49:51 +05:30
2022-05-02 11:06:21 +02:00
2022-05-03 09:49:09 +10:00
2022-04-04 12:35:33 +10:00
2021-03-26 16:15:02 +01:00
2022-01-25 09:19:03 -07:00

.. Keep this document short & concise,
   linking to external resources instead of including content in-line.
   See 'release/text/readme.html' for the end user read-me.


Blender
=======

Blender is the free and open source 3D creation suite.
It supports the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering, compositing,
motion tracking and video editing.

.. figure:: https://code.blender.org/wp-content/uploads/2018/12/springrg.jpg
   :scale: 50 %
   :align: center


Project Pages
-------------

- `Main Website <http://www.blender.org>`__
- `Reference Manual <https://docs.blender.org/manual/en/latest/index.html>`__
- `User Community <https://www.blender.org/community/>`__

Development
-----------

- `Build Instructions <https://wiki.blender.org/wiki/Building_Blender>`__
- `Code Review & Bug Tracker <https://developer.blender.org>`__
- `Developer Forum <https://devtalk.blender.org>`__
- `Developer Documentation <https://wiki.blender.org>`__


License
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Blender as a whole is licensed under the GNU General Public License, Version 3.
Individual files may have a different, but compatible license.

See `blender.org/about/license <https://www.blender.org/about/license>`__ for details.
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