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* Anisotropic BSDF now supports GGX and Beckmann distributions, Ward has been
removed because other distributions are superior.
* GGX is now the default distribution for all glossy and anisotropic nodes,
since it looks good, has low noise and is fast to evaluate.
* Ashikhmin-Shirley is now available in the Glossy BSDF.
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* Ashikhmin-Shirley anisotropic BSDF was added as closure
* Anisotropic BSDF node now has two distributions
Reviewers: brecht, dingto
Differential Revision: https://developer.blender.org/D549
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This was already possible via the RGB nodes, but that seems weird.
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A bunch of nodes had invalid storage definitions that don't refer to an actual
DNA struct. Ref T40033.
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Reviewed By: dingto, brecht
Differential Revision: https://developer.blender.org/D507
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Paolo Acampora.
Reviewers: brecht, kjym3, #freestyle
Reviewed By: brecht, kjym3
Differential Revision: https://developer.blender.org/D246
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Opted to keep includes if they are used indirectly (even if removing is possible).
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modifiers, nodes)
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extension sockets would create additional extension sockets instead of
simply ignoring them.
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This can for example be useful if you want to manually terminate the path at
some point and use a color other than black.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D454
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defaults.
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complete.
Fixes T37954.
Reviewed By: brecht, dingto
Differential Revision: https://developer.blender.org/D230
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render layer nodes in a pinned tree from different scene.
The way these updates work is a nasty legacy hack:
https://developer.blender.org/diffusion/B/browse/master/source/blender/nodes/composite/node_composite_tree.c$277
This function is called //very frequently// by the get_from_context
method. However, this does not get called for pinned node trees, so
when showing a different scene's compositing nodes in the editor they
may not get updated correctly.
Now moved this update call out of get_from_context so it happens in any
case. Will be called no more frequently than before (on every redraw).
Eventually the depsgraph should handle this more precisely, it's just a
simple ID dependency anyway ...
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transformation.
This was suggested by Christopher Barrett (terrachild). Corner pin is a common feature in compositing.
The corners for the plane warping can be defined by using vector node inputs to allow using perspective plane transformations without having to go via the MovieClip editor tracking data.
Uses the same math as the PlaneTrack node, but without the link to MovieClip and Object.
{F78199}
The code for PlaneTrack operations has been restructured a bit to share it with the CornerPin node.
* PlaneDistortCommonOperation.h/.cpp: Shared generic code for warping images based on 4 plane corners and a perspective matrix generated from these. Contains operation base classes for both the WarpImage and Mask operations.
* PlaneTrackOperation.h/.cpp: Current plane track node operations, based on the common code above. These add pointers to MovieClip and Object which define the track data from wich to read the corners.
* PlaneCornerPinOperation.h/.cpp: New corner pin variant, using explicit input sockets for the plane corners.
One downside of the current compositor design is that there is no concept of invariables (constants) that don't vary over the image space. This has already been an issue for Blur nodes (size input is usually constant except when "variable size" is enabled) and a few others. For the corner pin node it is necessary that the corner input sockets are also invariant. They have to be evaluated for each tile now, otherwise the data is not available. This in turn makes it necessary to make the operation "complex" and request full input buffers, which adds unnecessary overhead.
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compilation.
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Implements a more flexible internal connect function for standard nodes
(compositor, shader, texture). Allow feasible datatype connections by
priority.
The priorities for common datatypes in compositor, shader and texture
nodes are encoded in a simple function. Certain impossible connections
(e.g. color -> cycles shader) are excluded by giving them -1 priority.
Priority overrides link status: If a higher priority input can be found,
this will be used regardless of link status. Link status only comes into
play for inputs with same priority.
Reviewers: brecht
CC: sebastian_k
Differential Revision: https://developer.blender.org/D356
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It would include/exclude shadow depending on the pass being disabled/enabled,
but that should have no influence on the combined render result. Now it always
includes shadow.
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Blender Internal shader nodes.
All nodes now use the `nodestack_get_vec` function to convert whatever
input values are connected to the desired type, instead of using the
stack values directly regardless of what they contain.
Note that this might break old node setups that have been adapted to the
faulty behavior, but as discussed in the bug report the 2.70 version is
the right time to fix this.
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BI.
The shaderfrom setting in the node editor only makes sense for "new"
shading nodes (cycles), otherwise it should be ignored and default to
SNODE_SHADER_OBJECT.
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don't get updated based on context.
As discussed in T38340 the solution is to use the current scene from
context whenever feasible.
Composite does not use node->id at all now, the scene which owns the
compositing node tree is retrieved from context instead.
Defocus node->id is made editable by the user. By default it is not set,
which also will make it use the contextual scene and camera info.
The node->id pointer in Defocus is **not** cleared in older blend files.
This is done for backward compatibility: the node will then behave as
before in untouched scenes.
File Output nodes also don't store scene in node->id. This is only needed
when creating a new node for initializing the file format.
Reviewers: brecht, jbakker, mdewanchand
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D290
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The same can be achieved by flipping normals on the mesh, but it can be
convenient to do this in the shader.
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only in "Material" viewport shading.
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Now it uses the last activated node like compositing does. This should have no
effect on existing files until you activate another output node there.
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not really needed anyway, but need to be adjusted to make use of the
socket value copy methods.
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The sanity check for copying socket default value was using the socket
idname for type compatibility checks, which is too strict. Subtypes
would not be recognized as copyable, but since only the plain data type
is needed below this is all that needs to be checked.
That alone would not cause crash (just missing default value copy),
but the tree view template was messing with the default_value DNA
directly by freeing it in advance, which is not necessary and should
be left to blenkernel when freeing the node. Otherwise this would
leave the node invalid without a default_value if the copy function
bails out.
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consistent.
Reviewed by Brecht van Lommel, Thomas Dinges and Jonathan Williamson
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* Henyey-Greenstein scattering closure implementation.
* Rename transparent to absorption node and isotropic to scatter node.
* Volume density is folded into the closure weights.
* OSL support for volume closures and nodes.
* This commit has no user visible changes, there is no volume render code yet.
This is work by "storm", Stuart Broadfoot, Thomas Dinges and myself.
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moved the hide preview logic to a method on bNodeTreeType. This way the node.c keeps clean, but logic could still be shared.
Implementing this per node, can lead to future errors.
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information such as light vector from specified Lamp.
For now this provides the following outputs:
- Color
- Light Vector
- Distance
- Shadow
- Visibility Factor
Note: Color output is multiplied by the lamp energy. Multiplication of
color*max(dot(light_vector,normal_vector),0)*shadow*visibility_factor
produces the exact same result as the Lambert shader.
Many thanks to Brecht for code review and discussion!
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GLSL code for view vector output of "Geometry" node.
Revert 0c7d2de38219. The "Camera Data" node actually gives the location
of the point in camera coordinate system. To obtain actual camera data,
we can use "Geometry" node instead.
Also modify the "Geometry" node, to produce correct view vector output
in orthographic GLSL preview.
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