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Age	Commit message (Collapse)	Author
2020-11-06	Cleanup: Clang-Tidy, readability-redundant-member-init	Sergey Sharybin

2020-08-07	Cleanup: Compositor, Clang-Tidy else-after-return fixes	Sybren A. Stüvel
	This addresses warnings from Clang-Tidy's `readability-else-after-return` rule in the `source/blender/compositor` module. No functional changes.
2019-09-07	Cleanup: use post increment/decrement	Campbell Barton
	When the result isn't used, prefer post increment/decrement (already used nearly everywhere in Blender).
2019-04-17	ClangFormat: apply to source, most of intern	Campbell Barton
	Apply clang format as proposed in T53211. For details on usage and instructions for migrating branches without conflicts, see: https://wiki.blender.org/wiki/Tools/ClangFormat
2019-02-18	Cleanup: conform headers to have license first	Campbell Barton
	Also remove doxy comments for licenses and add missing GPL header.
2019-02-01	Cleanup: remove redundant, invalid info from headers	Campbell Barton
	BF-admins agree to remove header information that isn't useful, to reduce noise. - BEGIN/END license blocks Developers should add non license comments as separate comment blocks. No need for separator text. - Contributors This is often invalid, outdated or misleading especially when splitting files. It's more useful to git-blame to find out who has developed the code. See P901 for script to perform these edits.
2018-11-14	Cleanup: comment block tabs	Campbell Barton

2018-06-29	Cleanup: trailing newlines	Campbell Barton

2018-06-17	Cleanup: trailing space for compositor	Campbell Barton

2015-08-27	Fix T45617: Map UV node produces image artifacts	Sergey Sharybin
	Basically filtering was happening twice, first time by applying weights of EWA filter itself and then by applying subpixel offset while reading pixel values.
2015-05-12	Cleanup: style	Campbell Barton

2015-05-12	Fix T44398: Compositing displace node makes image fuzzy with zero displacement	Sergey Sharybin
	EWA filtering with zero derivatives is introducing some fuzzyness into the image. Currently solved by using regular sampling for cases when derivatives are zero, which should also make compo faster in that areas. Still need to look into checking if EWA filter can be tweaked in a way so no fuzzyness is introduced.
2015-03-27	Compositor: Code cleanup, prepare for strict C++ flags	Sergey Sharybin

2014-03-07	Fix for displace node regression (reported on IRC by Sebastian Koenig):	Lukas Tönne
	Was adding a (0.5, 0.5) offset, even for zero displacement.
2013-12-10	Style Cleanup	Campbell Barton

2013-12-04	Fix for EWA (elliptical weighted average) sampling in the compositor.	Lukas Tönne
	EWA sampling is designed for downsampling images, i.e. scaling down the size of input image pixels, which happens regularly in compositing. While the standard sampling methods (linear, cubic) work reasonably well for linear transformations, they don't yield good results in non-linear cases like perspective projection or arbitrary displacement. EWA sampling is comparable to mipmapping, but avoids problems with discontinuities. To work correctly the EWA algorithm needs partial derivatives of the mapping functions which convert output pixel coordinates back into the input image space (2x2 Jacobian matrix). With these derivatives the EWA algorithm projects ellipses into the input space and accumulates colors over their area. This calculation was not done correctly in the compositor, only the derivatives du/dx and dv/dy were calculation, basically this means it only worked for non-rotated input images. The patch introduces full derivative calculations du/dx, du/dy, dv/dx, dv/dy for the 3 nodes which use EWA sampling currently: PlaneTrackWarp, MapUV and Displace. In addition the calculation of ellipsis area and axis-aligned bounding boxes has been fixed. For the MapUV and Displace nodes the derivatives have to be estimated by evaluating the UV/displacement inputs with 1-pixel offsets, which can still have problems on discontinuities and sub-pixel variations. These potential problems can only be alleviated by more radical design changes in the compositor functions, which are out of scope for now. Basically the values passed to the UV/Displacement inputs would need to be associated with their 1st order derivatives, which requires a general approach to derivatives in all nodes.
2013-11-19	Cleanup: Renamed compositor executePixel functions and their 'read' wrappers ↵	Lukas Tönne
	in SocketReader. Distinguish the 3 different methods for acquiring pixel color values (executePixel, executePixelSampled, executePixelFiltered). This makes it easier to keep track of the different sampling methods (and works nicer with IDEs that do code parsing). Differential Revision: http://developer.blender.org/D7
2012-10-23	rename api functions...	Campbell Barton
	- minf, maxf, mini, maxi --> min_ff, max_ff, min_ii, max_ii
2012-08-16	compositor - EWA filter was blurring too much by default, this caused the ↵	Campbell Barton
	displace node to blur the image when no displacement was applied, making images fuzzy, the original C code has an interpolation option. Added this option back and use for displace and UV composite nodes.
2012-08-10	code cleanup: compositor - define size for executePixel function output ↵	Campbell Barton
	float array
2012-07-13	Removed parameter from executePixel and initializeTileData.	Jeroen Bakker

2012-07-13	bugfix: [#32073] Displace node different result between Low and high quality	Dalai Felinto

2012-06-26	use m_ prefix for compositor class members (all compositor operations).	Campbell Barton

2012-06-15	style cleanup: compositor operations	Campbell Barton

2012-05-18	style cleanup: compositor, pointer syntax, function brace placement, line length	Campbell Barton

2012-05-17	____	Jeroen Bakker
	`````\|````` \| \| \| ..'''' \| \| \| \|______ .'' \| \| \| \| ..' \| \| \|_______ \|___________ ....'' merge to TRUNK! * The old compositor is still available (Debug Menu: 200) This commit was brought to you by: Developers: * Monique Dewanchand * Jeroen Bakker * Dalai Felinto * Lukas Tönne Review: * Brecht van Lommel Testers: * Nate Wiebe * Wolfgang Faehnle * Carlo Andreacchio * Daniel Salazar * Artur Mag * Christian Krupa * Francesco Siddi * Dan McGrath * Bassam Kurdali But mostly by the community: Gold: Joshua Faulkner Michael Tiemann Francesco Paglia Blender Guru Blender Developers Fund Silver: Pablo Vazquez Joel Heethaar Amrein Olivier Ilias Karasavvidis Thomas Kumlehn Sebastian Koenig Hannu Hoffrén Benjamin Dansie Fred M'ule Michel Vilain Bradley Cathey Gianmichele Mariani Gottfried Hofmann Bjørnar Frøyse Valentijn Bruning Paul Holmes Clemens Rudolph Juris Graphix David Strebel Ronan Zeegers François Tarlier Felipe Andres Esquivel Reed Olaf Beckman Jesus Alberto Olmos Linares Kajimba Maria Figueiredo Alexandr Galperin Francesco Siddi Julio Iglesias Lopez Kjartan Tysdal Thomas Torfs Film Works Teruyuki Nakamura Roger Luethi Benoit Bolsee Stefan Abrahamsen Andreas Mattijat Xavier Bouchoux Blender 3D Graphics and Animation Henk Vostermans Daniel Blanco Delgado BlenderDay/2011 Bradley Cathey Matthieu Dupont de Dinechin Gianmichele Mariani Jérôme Scaillet Bronze (Ivo Grigull, Dylan Urquidi, Philippe Derungs, Phil Beauchamp, Bruce Parrott, Mathieu Quiblier, Daniel Martinez, Leandro Inocencio, Lluc Romaní Brasó, Jonathan Williamson, Michael Ehlen, Karlis Stigis, Dreamsteep, Martin Lindelöf, Filippo Saracino, Douwe van der Veen, Olli Äkräs, Bruno D'Arcangeli, Francisco Sedrez Warmling, Watchmike.ca, peter lener, Matteo Novellino, Martin Kirsch, Austars Schnore, KC Elliott, Massimiliano Puliero, Karl Stein, Wood Design Studios, Omer Khan, Jyrki Kanto, Michał Krupa, Lars Brubaker, Neil Richmond, Adam Kalisz, Robert Garlington, Ian Wilson, Carlo Andreacchio, Jeremias Boos, Robert Holcomb, Gabriel Zöller, Robert Cude, Natibel de Leon, Nathan Turnage, Nicolas Vergnes, Philipp Kleinhenz, Norman Hartig, Louis Kreusel, Christopher Taylor, Giovanni Remondini, Daniel Rentzsch, Nico Partipilo, Thomas Ventresco, Johannes Schwarz, Александр Коротеев, Brendon Harvey, Marcelo G. Malheiros, Marius Giurgi, Richard Burns, Perttu Iso-Metsälä, Steve Bazin, Radoslav Borisov, Yoshiyuki Shida, Julien Guigner, Andrew Hunter, Philipp Oeser, Daniel Thul, Thobias Johansson, Mauro Bonecchi, Georg Piorczynski, Sebastian Michailidis, L M Weedy, Gen X, Stefan Hinze, Nicolò Zubbini, Erik Pusch, Rob Scott, Florian Koch, Charles Razack, Adrian Baker, Oliver Villar Diz, David Revoy, Julio Iglesias Lopez, Coen Spoor, Carlos Folch, Joseph Christie, Victor Hernández García, David Mcsween, James Finnerty, Cory Kruckenberg, Giacomo Graziosi, Olivier Saraja, Lars Brubaker, Eric Hudson, Johannes Schwarz, David Elguea, Marcus Schulderinsky, Karel De Bruijn, Lucas van Wijngaarden, Stefano Ciarrocchi, Mehmet Eribol, Thomas Berglund, Zuofei Song, Dylan Urquidi )