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2022-02-11File headers: SPDX License migrationCampbell Barton
Use a shorter/simpler license convention, stops the header taking so much space. Follow the SPDX license specification: https://spdx.org/licenses - C/C++/objc/objc++ - Python - Shell Scripts - CMake, GNUmakefile While most of the source tree has been included - `./extern/` was left out. - `./intern/cycles` & `./intern/atomic` are also excluded because they use different header conventions. doc/license/SPDX-license-identifiers.txt has been added to list SPDX all used identifiers. See P2788 for the script that automated these edits. Reviewed By: brecht, mont29, sergey Ref D14069
2022-01-12Revert "BLI: Refactor vector types & functions to use templates"Clément Foucault
Includes unwanted changes This reverts commit 46e049d0ce2bce2f53ddc41a0dbbea2969d00a5d.
2022-01-12BLI: Refactor vector types & functions to use templatesClment Foucault
This patch implements the vector types (i.e:`float2`) by making heavy usage of templating. All vector functions are now outside of the vector classes (inside the `blender::math` namespace) and are not vector size dependent for the most part. In the ongoing effort to make shaders less GL centric, we are aiming to share more code between GLSL and C++ to avoid code duplication. ####Motivations: - We are aiming to share UBO and SSBO structures between GLSL and C++. This means we will use many of the existing vector types and others we currently don't have (uintX, intX). All these variations were asking for many more code duplication. - Deduplicate existing code which is duplicated for each vector size. - We also want to share small functions. Which means that vector functions should be static and not in the class namespace. - Reduce friction to use these types in new projects due to their incompleteness. - The current state of the `BLI_(float|double|mpq)(2|3|4).hh` is a bit of a let down. Most clases are incomplete, out of sync with each others with different codestyles, and some functions that should be static are not (i.e: `float3::reflect()`). ####Upsides: - Still support `.x, .y, .z, .w` for readability. - Compact, readable and easilly extendable. - All of the vector functions are available for all the vectors types and can be restricted to certain types. Also template specialization let us define exception for special class (like mpq). - With optimization ON, the compiler unroll the loops and performance is the same. ####Downsides: - Might impact debugability. Though I would arge that the bugs are rarelly caused by the vector class itself (since the operations are quite trivial) but by the type conversions. - Might impact compile time. I did not saw a significant impact since the usage is not really widespread. - Functions needs to be rewritten to support arbitrary vector length. For instance, one can't call `len_squared_v3v3` in `math::length_squared()` and call it a day. - Type cast does not work with the template version of the `math::` vector functions. Meaning you need to manually cast `float *` and `(float *)[3]` to `float3` for the function calls. i.e: `math::distance_squared(float3(nearest.co), positions[i]);` - Some parts might loose in readability: `float3::dot(v1.normalized(), v2.normalized())` becoming `math::dot(math::normalize(v1), math::normalize(v2))` But I propose, when appropriate, to use `using namespace blender::math;` on function local or file scope to increase readability. `dot(normalize(v1), normalize(v2))` ####Consideration: - Include back `.length()` method. It is quite handy and is more C++ oriented. - I considered the GLM library as a candidate for replacement. It felt like too much for what we need and would be difficult to extend / modify to our needs. - I used Macros to reduce code in operators declaration and potential copy paste bugs. This could reduce debugability and could be reverted. - This touches `delaunay_2d.cc` and the intersection code. I would like to know @howardt opinion on the matter. - The `noexcept` on the copy constructor of `mpq(2|3)` is being removed. But according to @JacquesLucke it is not a real problem for now. I would like to give a huge thanks to @JacquesLucke who helped during this and pushed me to reduce the duplication further. Reviewed By: brecht, sergey, JacquesLucke Differential Revision: https://developer.blender.org/D13791
2022-01-12Revert "BLI: Refactor vector types & functions to use templates"Clément Foucault
Reverted because the commit removes a lot of commits. This reverts commit a2c1c368af48644fa8995ecbe7138cc0d7900c30.
2022-01-12BLI: Refactor vector types & functions to use templatesClément Foucault
This patch implements the vector types (i.e:float2) by making heavy usage of templating. All vector functions are now outside of the vector classes (inside the blender::math namespace) and are not vector size dependent for the most part. In the ongoing effort to make shaders less GL centric, we are aiming to share more code between GLSL and C++ to avoid code duplication. Motivations: - We are aiming to share UBO and SSBO structures between GLSL and C++. This means we will use many of the existing vector types and others we currently don't have (uintX, intX). All these variations were asking for many more code duplication. - Deduplicate existing code which is duplicated for each vector size. - We also want to share small functions. Which means that vector functions should be static and not in the class namespace. - Reduce friction to use these types in new projects due to their incompleteness. - The current state of the BLI_(float|double|mpq)(2|3|4).hh is a bit of a let down. Most clases are incomplete, out of sync with each others with different codestyles, and some functions that should be static are not (i.e: float3::reflect()). Upsides: - Still support .x, .y, .z, .w for readability. - Compact, readable and easilly extendable. - All of the vector functions are available for all the vectors types and can be restricted to certain types. Also template specialization let us define exception for special class (like mpq). - With optimization ON, the compiler unroll the loops and performance is the same. Downsides: - Might impact debugability. Though I would arge that the bugs are rarelly caused by the vector class itself (since the operations are quite trivial) but by the type conversions. - Might impact compile time. I did not saw a significant impact since the usage is not really widespread. - Functions needs to be rewritten to support arbitrary vector length. For instance, one can't call len_squared_v3v3 in math::length_squared() and call it a day. - Type cast does not work with the template version of the math:: vector functions. Meaning you need to manually cast float * and (float *)[3] to float3 for the function calls. i.e: math::distance_squared(float3(nearest.co), positions[i]); - Some parts might loose in readability: float3::dot(v1.normalized(), v2.normalized()) becoming math::dot(math::normalize(v1), math::normalize(v2)) But I propose, when appropriate, to use using namespace blender::math; on function local or file scope to increase readability. dot(normalize(v1), normalize(v2)) Consideration: - Include back .length() method. It is quite handy and is more C++ oriented. - I considered the GLM library as a candidate for replacement. It felt like too much for what we need and would be difficult to extend / modify to our needs. - I used Macros to reduce code in operators declaration and potential copy paste bugs. This could reduce debugability and could be reverted. - This touches delaunay_2d.cc and the intersection code. I would like to know @Howard Trickey (howardt) opinion on the matter. - The noexcept on the copy constructor of mpq(2|3) is being removed. But according to @Jacques Lucke (JacquesLucke) it is not a real problem for now. I would like to give a huge thanks to @Jacques Lucke (JacquesLucke) who helped during this and pushed me to reduce the duplication further. Reviewed By: brecht, sergey, JacquesLucke Differential Revision: http://developer.blender.org/D13791
2022-01-12Cleanup: remove redundant const qualifiers for POD typesCampbell Barton
2022-01-07Cleanup: remove redundant const qualifiers for POD typesCampbell Barton
MSVC used to warn about const mismatch for arguments passed by value. Remove these as newer versions of MSVC no longer show this warning.
2021-12-25Cleanup: Move customdata.c to C++Hans Goudey
Differential Revision: https://developer.blender.org/D13666
2021-12-07Cleanup: move public doc-strings into headers for 'blenkernel'Campbell Barton
- Added space below non doc-string comments to make it clear these aren't comments for the symbols directly below them. - Use doxy sections for some headers. - Minor improvements to doc-strings. Ref T92709
2020-08-07Code Style: use "#pragma once" in source directoryJacques Lucke
This replaces header include guards with `#pragma once`. A couple of include guards are not removed yet (e.g. `__RNA_TYPES_H__`), because they are used in other places. This patch has been generated by P1561 followed by `make format`. Differential Revision: https://developer.blender.org/D8466
2019-04-17ClangFormat: apply to source, most of internCampbell 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
2019-02-18doxygen: add newline after \fileCampbell Barton
While \file doesn't need an argument, it can't have another doxy command after it.
2019-02-06Cleanup: remove redundant doxygen \file argumentCampbell Barton
Move \ingroup onto same line to be more compact and make it clear the file is in the group.
2019-02-01Cleanup: remove redundant, invalid info from headersCampbell 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.
2019-01-28Cleanup: sort forward declarations of enum & structCampbell Barton
Done using: source/tools/utils_maintenance/c_sort_blocks.py
2018-06-01Cleanup: trailing whitespace (comment blocks)Campbell Barton
Strip unindented comment blocks - mainly headers to avoid conflicts.
2015-10-16Fix T46508: data_transfer of normals fails in case objects are transformed.Bastien Montagne
The final stage of the process (copying/interpolating new dst cddata from src cddata) was simply broken in normal case, where we need to convert from source to destination object space. This patch is a bit verbose, but I cannot see how to avoid it really. To think this code is in master since over 6 months and it only gets reported now... :/
2015-06-13Compilation error fixes for older GCC/CLang compilersSergey Sharybin
Avoid data type re-declaration, it's not really working on current FreeBSD's 9 system and CLang-3.0 from OSX. This is not a good idea to do such sort of copy-paste anyway. If someone knows better way of dealing with this please go ahead and correct the code :)
2015-02-23CustomData: const correctness for interp()Campbell Barton
2015-01-09Transfer Data: add main core code and operators.Bastien Montagne
This add code needed to map a CD data layout from source mesh towards destination one, and code needed to actually transfer data, using BKE's mesh remap generated data. This allows to transfer most CD layers (vgroups, vcols, uvs...) as well as fake, boolean ones (like smooth/sharp edges/faces, etc.). Some types are not yet transferable, mainly shape keys, this is known TODO. Data transfer can also use some advanced mixing in some cases (mostly, vgroups and vcols). Notes: * New transfer operators transfer data from active object towards selected ones. * Modifier will be committed separately. * Old weight transfer code (for vgroups) is kept for now, mostly because it is the only usable one in weightpaint mode (it transfers from selected object to active one, this is not sensible in Object mode, but needed in WeightPaint one). This will be addressed soon. Again, heavily reviewed and enhanced by Campbell, thanks!