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This patch implements the variable size blur option in the Bokeh Blur
node. The implementation is different from the CPU one in that it also
takes the Bounding Box input into account, which is ignored for some
reason for the CPU. Additionally, this implementation does not do the
optimization where the search radius is limited relative to the maximum
value in the size texture. That's because the cost of computing the
maximum is not worth it for most use cases.
The reference implementation does three unexpected things that are
replicated here nonetheless. First, the center bokeh weight is always
ignored and assumed to be 1. Second the size of the center pixel is
taken into account. Third, a unidimensional distance is used instead of
a 2D euclidean one. Those need to be considered independently.
Differential Revision: https://developer.blender.org/D16185
Reviewed By: Clement Foucault
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This patch implements generic parallel reduction for the realtime
compositor and implements the Levels operation as an example. This patch
also introduces the notion of a "Compositor Algorithm", which is a
reusable operation that can be used to construct other operations.
Differential Revision: https://developer.blender.org/D16184
Reviewed By: Clement Foucault
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This patch implements the bokeh blur node for the realtime compositor.
The patch is still missing the Variable Size option because it depends
on the Levels node, which is yet to be implemented. In particular, it
requires the computation of global texture properties like the maximum
color.
Differential Revision: https://developer.blender.org/D15768
Reviewed By: Clement Foucault
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This patch implements the blur node for the realtime compositor. The patch is
still missing the Variable Size option because it depends on the Erode/Dilate
node, which is yet to be implemented. Furthermore, there are a number of
optimizations that can be implemented, the most important of which is the IIR
implementation of the Fast Gaussian filter, as well as the use of hardware
filtering and thread local memory. The latter of which was attempted but was
not robust enough, so it will be submitted as separate patch.
Differential Revision: https://developer.blender.org/D15663
Reviewed By: Clement Foucault
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This patch implements the dilate/erode node for the realtime compositor.
Differential Revision: https://developer.blender.org/D15790
Reviewed By: Clement Foucault
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The realtime compositor sometimes produces fuzzy results when the
interpolation is set to bilinear. This was due to the domain realization
shader, which incorrectly sampled the input image.
This patch fixes such fuzziness by introducing a 0.5 offset to evaluate
the sampler at the center of pixels. Additionally, it makes sure the
centring offset is an integer offset by taking its floor, retaining the
previous 0.5 offset even with the difference in size is odd.
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This patch implements the bilateral blur node for the realtime compositor.
Differential Revision: https://developer.blender.org/D15674
Reviewed By: Clement Foucault
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This patch implements the despeckle node for the realtime compositor.
Differential Revision: https://developer.blender.org/D15673
Reviewed By: Clement Foucault
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This patch implements the directional blur node for the realtime compositor.
Differential Revision: https://developer.blender.org/D15672
Reviewed By: Clement Foucault
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This patch implements the filter node for the realtime compositor.
Differential Revision: https://developer.blender.org/D15661
Reviewed By: Clement Foucault
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This patch implements the bokeh image node for the realtime compositor.
Differential Revision: https://developer.blender.org/D15660
Reviewed By: Clement Foucault
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This patch implements the following nodes for the realtime compositor:
- Crop node.
- Flip node.
- Lens distort node.
- Rotate node.
- Transform node.
- Translate node.
Differential Revision: https://developer.blender.org/D15231
Reviewed By: Clement Foucault
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This patch implements the following nodes for the realtime compositor:
- Box mask node.
- Channel matte node.
- Chroma matte node.
- Color matte node.
- Color spill node.
- Difference matte node.
- Distance matte node.
- Ellipse matte node.
- Luminance matte node.
Differential Revision: https://developer.blender.org/D15230
Reviewed By: Clement Foucault
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This patch implements the following nodes for the realtime compositor:
- Map range node.
- Map value node.
- Math node.
- Normal node.
- Alpha convert node.
- Separate color node.
- Combine color node.
- Separate XYZ node.
- Combine XYZ node.
- Separate RGBA node.
- Combine RGBA node.
- Separate HSVA node.
- Combine HSVA node.
- Separate YCCA node.
- Combine YUVA node.
- Set alpha node.
- Switch node.
- Switch view node.
- RGB to BW node.
- Color ramp node.
Differential Revision: https://developer.blender.org/D15229
Reviewed By: Clement Foucault
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This patch implements the following nodes for the realtime compositor:
- Alpha over node.
- Bright contrast node.
- Color balance node.
- Color correction node.
- Exposure node.
- Gamma node.
- Hue correct node.
- Hue saturation value node.
- Invert node.
- Mix node.
- Posterize node.
- Time curve node.
- Vector curve node.
Differential Revision: https://developer.blender.org/D15228
Reviewed By: Clement Foucault
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This patch implements the following nodes for the realtime compositor:
- Composite node.
- Viewer node.
- Split viewer node.
Differential Revision: https://developer.blender.org/D15226
Reviewed By: Clement Foucault
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This patch adds the core realtime compositor evaluator as well as a
compositor draw engine powered by the evaluator that operates in the
viewport. The realtime compositor is a new GPU accelerated compositor
that will be used to power the viewport compositor imminently as well as
the existing compositor in the future.
This patch only adds the evaluator and engine as an experimental
feature, the implementation of the nodes themselves will be committed
separately.
See T99210.
Differential Revision: https://developer.blender.org/D15206
Reviewed By: Clement Foucault
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