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Replace old color pipeline which was supporting linear/sRGB color spaces
only with OpenColorIO-based pipeline.
This introduces two configurable color spaces:
- Input color space for images and movie clips. This space is used to convert
images/movies from color space in which file is saved to Blender's linear
space (for float images, byte images are not internally converted, only input
space is stored for such images and used later).
This setting could be found in image/clip data block settings.
- Display color space which defines space in which particular display is working.
This settings could be found in scene's Color Management panel.
When render result is being displayed on the screen, apart from converting image
to display space, some additional conversions could happen.
This conversions are:
- View, which defines tone curve applying before display transformation.
These are different ways to view the image on the same display device.
For example it could be used to emulate film view on sRGB display.
- Exposure affects on image exposure before tone map is applied.
- Gamma is post-display gamma correction, could be used to match particular
display gamma.
- RGB curves are user-defined curves which are applying before display
transformation, could be used for different purposes.
All this settings by default are only applying on render result and does not
affect on other images. If some particular image needs to be affected by this
transformation, "View as Render" setting of image data block should be set to
truth. Movie clips are always affected by all display transformations.
This commit also introduces configurable color space in which sequencer is
working. This setting could be found in scene's Color Management panel and
it should be used if such stuff as grading needs to be done in color space
different from sRGB (i.e. when Film view on sRGB display is use, using VD16
space as sequencer's internal space would make grading working in space
which is close to the space using for display).
Some technical notes:
- Image buffer's float buffer is now always in linear space, even if it was
created from 16bit byte images.
- Space of byte buffer is stored in image buffer's rect_colorspace property.
- Profile of image buffer was removed since it's not longer meaningful.
- OpenGL and GLSL is supposed to always work in sRGB space. It is possible
to support other spaces, but it's quite large project which isn't so
much important.
- Legacy Color Management option disabled is emulated by using None display.
It could have some regressions, but there's no clear way to avoid them.
- If OpenColorIO is disabled on build time, it should make blender behaving
in the same way as previous release with color management enabled.
More details could be found at this page (more details would be added soon):
http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.64/Color_Management
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Thanks to Xavier Thomas, Lukas Toene for initial work on OpenColorIO
integration and to Brecht van Lommel for some further development and code/
usecase review!
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This commit integrates support of OpenColorIO library into build systems.
It also contains C-API for OpenColorIO library which could be used by Blender.
CMake has got find rules familiar to OpenImageIO's one which makes it easier
for build system to find needed libraries and includes. Scons only could use
explicitly defined paths to libraries and includes.
C-API would be compiled and Blender would be linked against C-API and OpenColorIO
but it wouldn't affect on Blender behavior at all.
OpenColorIO could be disabled by setting up WITH_OCIO to Off in CMake and
setting WITH_BF_OCIO in Scons.
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this is a bug in boost 1.46, can remove this env var override when this version of boost is no longer supported.
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checked it for NULL after.
also made it more clear that some areas assume the pointer isnt null (remove redundant NULL checks).
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- sample weight didnt work when the object was transformed.
- sample weight didnt work when vertex selection was enabled.
- 'All faces' option is used by weight paint mode, but there was no UI access.
add ED_mesh_pick_face_vert(). which uses the face selection buffer but returns the closest vertex.
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between calling this function and returning will crash blender. see [#30687]
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endswith() functions rather than calling multiple times.
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Initial idea of this input was re-designed in a bit more flexible
way using modifiers.
Also since Color Balance (which was the only thing using effect
mask input) was moved to the modifiers, this input field became
rudiment.
It's pretty tricky to write versioning code to prevent possible
data in cases this field was used, but hope it wouldn't be difficult
to switch to modifiers masks.
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Having two ways to control color balance now seems a bit overkill
and not clear.
Removed old Color Balance settings from the interface and logic,
added versioning code to convert this settings to modifier.
Unfortunately, since color balance was a pointer, it's not actually
possible to preserve compatibility of old files saved in new
blender and opened back in old blender.
Hopefully there's no regressions :)
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[Even | Smooth]
- Even preserves thickness but can give unsightly loops
- Smooth gives nicer shape but can give unsightly feather/spline mismatch for 'S' shapes created by beziers.
This is an example where smooth works much nicer.
http://www.graphicall.org/ftp/ideasman42/mask_compare.png
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addon developers, who may want to link to their own URL's.
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object bakes.
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Behaves in exactly the same way as bright/contrast compositor node.
Some code could be de-duplicated, like contrast formula and mask
influence, but wouldn't call it stopper for commit since it's
already needed for grading Mango.
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After 2.63 there was a bugfix to take object scale into account for the duplicated
objects, but this breaks compatibility on earlier files. Now there is an option to
control if the scale should be used or not.
Scale is used by default on newer files, and not used on older ones.
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very good (didnt point to file with the error)
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console for use in a textblock.
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This implements basic color grading modifiers in sequencer, supporting
color balance, RGB curves and HUE corrections.
Implementation is close to object modifiers, some details are there:
http://wiki.blender.org/index.php/User:Nazg-gul/SequencerModifiers
Modifiers supports multi-threaded calculation, masks and instant
parameter changes.
Also added cache for pre-processed image buffers for current frame,
so changing sequence properties does not require rendering of original
sequence (like rendering scene, loading file from disk and so)
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Additional changes:
- Option to the ndof menu letting you pick turntable/trackball independently
of the mouse viewport navigation style
- Option to change the rotation sensitivity separate from the panning
Holding shift + moving the ndof does just as before locking it to panning
Holding ctrl + moving will lock it to only rotation
Patch by Fredrik Hansson, thanks!
Reviewed by self and Mike Erwin.
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Socket hide flag is added to RNA as well, but can only be set when the socket is not connected, to avoid dangling links in editor drawing. Currently this operator has no default hotkey, but can be called from the Node menu.
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from Fredrik Hansson (fredrikh)
With some edits for python UI.
The patch makes the displace modifier treat an empty texture as white.
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Before this overlay would happen only for defined rectangle area,
now it's possible to show current / reference frames only, which
makes it possible to do more real slit view involving even displaying
frames on different monitors.
Still some work need to be done to clean interface up and support
displaying color information for reference shot.
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File was incorrectly generated form C data.
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changed in previous commit).
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time.
note: this is currently very slow in cmake, will address this next.
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This implements option which could be used to color balance only
specified area. Currently done by adding Mask input to Adjustment
effect. Affects on color balance and multiply settings.
Supporting masked saturation control is in the list, not supported
in this commit.
Also show value slider in the right of color wheel.
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made some changes to startup.c
- change default player to internal since its working now.
- added new screen for full screen 3d viewport (nice for demo's and navigating)
- disable cursor depth option (was enabled by default because of re-used flag)
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Since r46801 options used for this effect were moved to input panel.
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dont always want both.
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