Problem is that the read/write buffer operations only work with actual
image inputs. If a singular value is used as group input no actual
buffer will be created, the write operation does not schedule any chunks
and the ReadBufferOperation subsequently returns zero
(MemoryBuffer::read).
The fix uses the (0,0) resolution to detect single value input of the
WriteBufferOperation. The actual resolution is then clamped to (1,1) to
ensure we have a single pixel to store the value in. A m_single_value
flag is also set, so we can reliably distinguish this from genuine image
resolutions without having to check m_width/m_height later on.
The ReadBufferOperation copies this flag from the associated
WriteBufferOperation and if set will always return the single value from
pixel (0,0).
a translate node were connected with the same complex node (like lens
distortion).
Added a check to see if the list of buffers are available to resolve
this issue.
- [#31777] Border Crop gives black
- [#31768] Crash when connecting a Math node to a translate node in Tiles comp
- [#31638] View node in new node compo system crashes when inside a group
* make sure a very fast vignette can be made by using a EliipseMask + Fast Gaussian blur
`````|````` | | | ..''''
| | | |______ .''
| | | | ..'
| | |_______ |___________ ....''
merge to TRUNK!
* The old compositor is still available (Debug Menu: 200)
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