godot/thirdparty

Third party libraries

Please keep categories (## level) listed alphabetically and matching their respective folder names. Use two empty lines to separate categories for readability.

amd-fsr

• Upstream: https://github.com/GPUOpen-Effects/FidelityFX-FSR
• Version: 1.0.2 (a21ffb8f6c13233ba336352bdff293894c706575, 2021)
• License: MIT

Files extracted from upstream source:

• ffx_a.h and ffx_fsr1.h from ffx-fsr
• license.txt

astcenc

• Upstream: https://github.com/ARM-software/astc-encoder
• Version: 4.3.0 (ec83dda79fcefe07f69cdae7ed980d169bf2c4d4, 2023)
• License: Apache 2.0

Files extracted from upstream source:

• astcenc_* and astcenc.h files from Source
• LICENSE.txt

basis_universal

• Upstream: https://github.com/BinomialLLC/basis_universal
• Version: git (a91e94c8495d7f470d3df326a364d49324cfd4a3, 2022)
• License: Apache 2.0

Files extracted from upstream source:

• encoder/ and transcoder/ folders
• LICENSE

brotli

• Upstream: https://github.com/google/brotli
• Version: git (f4153a09f87cbb9c826d8fc12c74642bb2d879ea, 2022)
• License: MIT

Files extracted from upstream source:

• common/, dec/ and include/ folders
• LICENSE

certs

• Upstream: Mozilla, via https://github.com/bagder/ca-bundle
• Version: git (b2f7415648411b6fd7c298c6c92d6552f0165f60, 2022)
• License: MPL 2.0

cvtt

• Upstream: https://github.com/elasota/ConvectionKernels
• Version: git (350416daa4e98f1c17ffc273b134d0120a2ef230, 2022)
• License: MIT

Files extracted from upstream source:

• all .cpp, .h, and .txt files except the folders MakeTables and etc2packer.

Changes related to BC6H packing and unpacking made upstream in 2e4b6b2747 have been removed as they caused massive quality regressions. Apply the patches in the patches/ folder when syncing on newer upstream commits.

doctest

• Upstream: https://github.com/onqtam/doctest
• Version: 2.4.9 (b7c21ec5ceeadb4951b00396fc1e4642dd347e5f, 2022)
• License: MIT

Files extracted from upstream source:

• doctest/doctest.h as doctest.h
• LICENSE.txt

embree

• Upstream: https://github.com/embree/embree
• Version: 3.13.5 (698442324ccddd11725fb8875275dc1384f7fb40, 2022)
• License: Apache 2.0

Files extracted from upstream:

• All cpp files listed in modules/raycast/godot_update_embree.py
• All header files in the directories listed in modules/raycast/godot_update_embree.py

The modules/raycast/godot_update_embree.py script can be used to pull the relevant files from the latest Embree release and apply some automatic changes.

Some changes have been made in order to remove exceptions and fix minor build errors. They are marked with // -- GODOT start -- and // -- GODOT end -- comments. Apply the patches in the patches/ folder when syncing on newer upstream commits.

enet

• Upstream: http://enet.bespin.org
• Version: 1.3.17 (e0e7045b7e056b454b5093cb34df49dc4cee0bee, 2020)
• License: MIT

Files extracted from upstream source:

• all .c files in the main directory (except unix.c win32.c)
• the include/enet/ folder as enet/ (except unix.h win32.h)
• LICENSE file

Important: enet.h, host.c, protocol.c have been slightly modified to be usable by Godot's socket implementation and allow IPv6 and DTLS. Apply the patches in the patches/ folder when syncing on newer upstream commits.

Three files (godot.cpp, enet/godot.h, enet/godot_ext.h) have been added to provide enet socket implementation using Godot classes.

It is still possible to build against a system wide ENet but doing so will limit its functionality to IPv4 only.

etcpak

• Upstream: https://github.com/wolfpld/etcpak
• Version: 1.0 (153f0e04a18b93c277684b577365210adcf8e11c, 2022)
• License: BSD-3-Clause

Files extracted from upstream source:

• Only the files relevant for compression (i.e. Process*.cpp and their deps):

  Dither.{cpp,hpp} ForceInline.hpp Math.hpp ProcessCommon.hpp ProcessRGB.{cpp,hpp}
  ProcessDxtc.{cpp,hpp} Tables.{cpp,hpp} Vector.hpp
  

• AUTHORS.txt and LICENSE.txt

fonts

• NotoSans*.woff2, NotoNaskhArabicUI_*.woff2:
  • Upstream: https://github.com/googlefonts/noto-fonts
  • Version: v2017-10-24-phase3-second-cleanup
  • License: OFL-1.1
  • Comment: Use UI font variant if available, because it has tight vertical metrics and good for UI.
• JetBrainsMono_Regular.woff2:
  • Upstream: https://github.com/JetBrains/JetBrainsMono
  • Version: 2.242
  • License: OFL-1.1
• DroidSans*.woff2:
  • Upstream: https://android.googlesource.com/platform/frameworks/base/+/master/data/fonts/
  • Version: ? (pre-2014 commit when DroidSansJapanese.ttf was obsoleted)
  • License: Apache 2.0
• OpenSans_SemiBold.woff2:
  • Upstream: https://fonts.google.com/specimen/Open+Sans
  • Version: 1.10 (downloaded from Google Fonts in February 2021)
  • License: Apache 2.0
• All fonts are converted from the .ttf sources using https://github.com/google/woff2 tool.

freetype

• Upstream: https://www.freetype.org
• Version: 2.12.1 (e8ebfe988b5f57bfb9a3ecb13c70d9791bce9ecf, 2022)
• License: FreeType License (BSD-like)

Files extracted from upstream source:

• src/ folder, minus the dlg and tools subfolders
  • These files can be removed: .dat, .diff, .mk, .rc, README*
  • In src/gzip/, remove zlib files (everything but ftgzip.c and ftzconf.h)
• include/ folder, minus the dlg subfolder
• LICENSE.TXT and docs/FTL.TXT

Some changes have been made in order to prevent LTO from removing code. They are marked with // -- GODOT start -- and // -- GODOT end -- comments. Apply the patches in the patches/ folder when syncing on newer upstream commits.

glad

• Upstream: https://github.com/Dav1dde/glad
• Version: 2.0.2 (f237a2bfcec0d9b82b90ec9af4af265c40de7183, 2022)
• License: CC0 1.0 and Apache 2.0

Files extracted from upstream source:

• LICENSE

Files generated from upstream web instance:

• KHR/khrplatform.h
• gl.c
• glad/gl.h
• glx.c
• glad/glx.h

glslang

• Upstream: https://github.com/KhronosGroup/glslang
• Version: 11.12.0 / sdk-1.3.231.1 (5755de46b07e4374c05fb1081f65f7ae1f8cca81, 2022)
• License: glslang

Version should be kept in sync with the one of the used Vulkan SDK (see vulkan section). Check Vulkan-ValidationLayers at the matching SDK tag for the known good glslang commit: https://github.com/KhronosGroup/Vulkan-ValidationLayers/blob/master/scripts/known_good.json

When updating, also review that our modules/glslang/glslang_resource_limits.h copy of DefaultTBuiltInResource is in sync with the one defined upstream in StandAlone/ResourceLimits.cpp.

Files extracted from upstream source:

• glslang (except glslang/HLSL and glslang/ExtensionHeaders), OGLCompilersDLL, SPIRV, w/o CInterface folders (depend on StandAlone)
• Run cmake . && make and copy generated include/glslang/build_info.h to glslang/build_info.h
• LICENSE.txt
• Unnecessary files like CMakeLists.txt, *.m4 and updateGrammar removed.

graphite

• Upstream: https://github.com/silnrsi/graphite
• Version: 1.3.14 (27572742003b93dc53dc02c01c237b72c6c25f54, 2022)
• License: MIT

Files extracted from upstream source:

• the include folder
• the src folder (minus CMakeLists.txt and files.mk)
• COPYING

harfbuzz

• Upstream: https://github.com/harfbuzz/harfbuzz
• Version: 7.1.0 (60841e26187576bff477c1a09ee2ffe544844abc, 2023)
• License: MIT

Files extracted from upstream source:

• AUTHORS, COPYING, THANKS
• from the src folder, recursively
  • all the *.c, *.cc, *.h, *.hh files
  • except main.cc, harfbuzz*.cc, failing-alloc.c, test*.cc

icu4c

• Upstream: https://github.com/unicode-org/icu
• Version: 72.1 (ff3514f257ea10afe7e710e9f946f68d256704b1, 2022)
• License: Unicode

Files extracted from upstream source:

• the common folder
• scriptset.*, ucln_in.*, uspoof.cpp" and uspoof_impl.cpp from the i18n folder
• uspoof.h from the i18n/unicode folder
• LICENSE

Files generated from upstream source:

• the icudt72l.dat built with the provided godot_data.json config file (see https://github.com/unicode-org/icu/blob/master/docs/userguide/icu_data/buildtool.md for instructions).

• Step 1: Build ICU with default options - ./runConfigureICU {PLATFORM} && make.

• Step 2: Reconfigure ICU with custom data config - ICU_DATA_FILTER_FILE={GODOT_SOURCE}/thirdparty/icu4c/godot_data.json ./runConfigureICU {PLATFORM} --with-data-packaging=common.

• Step 3: Delete data/out folder and rebuild data - cd data && rm -rf ./out && make.

• Step 4: Copy source/data/out/icudt72l.dat to the {GODOT_SOURCE}/thirdparty/icu4c/icudt72l.dat.

jpeg-compressor

• Upstream: https://github.com/richgel999/jpeg-compressor
• Version: 2.00 (aeb7d3b463aa8228b87a28013c15ee50a7e6fcf3, 2020)
• License: Public domain or MIT

Files extracted from upstream source:

• jpgd*.{c,h}
• jpge*.{c,h}

libogg

• Upstream: https://www.xiph.org/ogg
• Version: 1.3.5 (e1774cd77f471443541596e09078e78fdc342e4f, 2021)
• License: BSD-3-Clause

Files extracted from upstream source:

• src/*.{c,h}
• include/ogg/*.h in ogg/ (run configure to generate config_types.h)
• COPYING

libpng

• Upstream: http://libpng.org/pub/png/libpng.html
• Version: 1.6.38 (0a158f3506502dfa23edfc42790dfaed82efba17, 2022)
• License: libpng/zlib

Files extracted from upstream source:

• all .c and .h files of the main directory, except from example.c and pngtest.c
• the arm/ folder
• scripts/pnglibconf.h.prebuilt as pnglibconf.h
• LICENSE

libtheora

• Upstream: https://www.theora.org
• Version: git (7180717276af1ebc7da15c83162d6c5d6203aabf, 2020)
• License: BSD-3-Clause

Files extracted from upstream source:

• all .c, .h in lib/, except arm/ and c64x/ folders
• all .h files in include/theora/ as theora/
• COPYING and LICENSE

libvorbis

• Upstream: https://www.xiph.org/vorbis
• Version: 1.3.7 (0657aee69dec8508a0011f47f3b69d7538e9d262, 2020)
• License: BSD-3-Clause

Files extracted from upstream source:

• lib/* except from: lookups.pl, Makefile.*
• include/vorbis/*.h as vorbis/
• COPYING

libwebp

• Upstream: https://chromium.googlesource.com/webm/libwebp/
• Version: 1.3.0 (b557776962a3dcc985d83bd4ed94e1e2e50d0fa2, 2022)
• License: BSD-3-Clause

Files extracted from upstream source:

• src/ and sharpyuv/ except from: .am, .rc and .in files
• AUTHORS, COPYING, PATENTS

mbedtls

• Upstream: https://github.com/Mbed-TLS/mbedtls
• Version: 2.18.2 (89f040a5c938985c5f30728baed21e49d0846a53, 2022)
• License: Apache 2.0

File extracted from upstream release tarball:

• All *.h from include/mbedtls/ to thirdparty/mbedtls/include/mbedtls/ except config_psa.h and psa_util.h.
• All *.c and *.h from library/ to thirdparty/mbedtls/library/ except those starting with psa_*.
• The LICENSE file.
• Applied the patch in patches/1453.diff (upstream PR: https://github.com/ARMmbed/mbedtls/pull/1453). Applied the patch in patches/windows-arm64-hardclock.diff
• Added 2 files godot_core_mbedtls_platform.c and godot_core_mbedtls_config.h providing configuration for light bundling with core.

meshoptimizer

• Upstream: https://github.com/zeux/meshoptimizer
• Version: git (4a287848fd664ae1c3fc8e5e008560534ceeb526, 2022)
• License: MIT

Files extracted from upstream repository:

• All files in src/.
• LICENSE.md.

An experimental upstream feature, has been backported. On top of that, it was modified to report only distance error metrics instead of a combination of distance and attribute errors. Patches for both changes can be found in the patches directory.

minimp3

• Upstream: https://github.com/lieff/minimp3
• Version: git (afb604c06bc8beb145fecd42c0ceb5bda8795144, 2021)
• License: CC0 1.0

Files extracted from upstream repository:

• minimp3.h
• minimp3_ex.h
• LICENSE

Some changes have been made in order to fix Windows on ARM build errors, and to solve some MSVC warnings. See the patches in the patches directory.

miniupnpc

• Upstream: https://github.com/miniupnp/miniupnp
• Version: 2.2.4 (7d1d8bc3868b08ad003bad235eee57562b95b76d, 2022)
• License: BSD-3-Clause

Files extracted from upstream source:

• Copy miniupnpc/src and miniupnpc/include to thirdparty/miniupnpc
• Remove the following test or sample files: listdevices.c minihttptestserver.c miniupnpcmodule.c upnpc.c upnperrors.* test*
• LICENSE

The only modified file is src/miniupnpcstrings.h, which was created for Godot (it is usually autogenerated by cmake). Bump the version number for miniupnpc in that file when upgrading.

minizip

• Upstream: https://www.zlib.net
• Version: 1.2.13 (zlib contrib, 2022)
• License: zlib

Files extracted from the upstream source:

• From contrib/minizip: {crypt.h,ioapi.{c,h},unzip.{c,h},zip.{c,h}} MiniZip64_info.txt

Important: Some files have Godot-made changes for use in core/io. They are marked with /* GODOT start */ and /* GODOT end */ comments and a patch is provided in the patches folder.

misc

Collection of single-file libraries used in Godot components.

• clipper.{cpp,hpp}
  • Upstream: https://sourceforge.net/projects/polyclipping
  • Version: 6.4.2 (2017) + Godot changes (added optional exceptions handling)
  • License: BSL-1.0
• cubemap_coeffs.h
  • Upstream: https://research.activision.com/publications/archives/fast-filtering-of-reflection-probes File coeffs_const_8.txt (retrieved April 2020)
  • License: MIT
• fastlz.{c,h}
  • Upstream: https://github.com/ariya/FastLZ
  • Version: 0.5.0 (4f20f54d46f5a6dd4fae4def134933369b7602d2, 2020)
  • License: MIT
• hq2x.{cpp,h}
  • Upstream: https://github.com/brunexgeek/hqx
  • Version: TBD, file structure differs
  • License: Apache 2.0
• ifaddrs-android.{cc,h}
  • Upstream: https://chromium.googlesource.com/external/webrtc/stable/talk/+/master/base/ifaddrs-android.h
  • Version: git (5976650443d68ccfadf1dea24999ee459dd2819d, 2013)
  • License: BSD-3-Clause
• mikktspace.{c,h}
  • Upstream: https://archive.blender.org/wiki/index.php/Dev:Shading/Tangent_Space_Normal_Maps/
  • Version: 1.0 (2011)
  • License: zlib
• FastNoiseLite.h}
  • Upstream: https://github.com/Auburn/FastNoiseLite
  • Version: git (6be3d6bf7fb408de341285f9ee8a29b67fd953f1, 2022) + custom changes
  • License: MIT
• ok_color.h
  • Upstream: https://github.com/bottosson/bottosson.github.io/blob/master/misc/ok_color.h
  • Version: git (d69831edb90ffdcd08b7e64da3c5405acd48ad2c, 2022)
  • License: MIT
  • Modifications: License included in header.
• ok_color_shader.h
  • https://www.shadertoy.com/view/7sK3D1
  • Version: 2021-09-13
  • License: MIT
• pcg.{cpp,h}
  • Upstream: http://www.pcg-random.org
  • Version: minimal C implementation, http://www.pcg-random.org/download.html
  • License: Apache 2.0
• polypartition.{cpp,h}
  • Upstream: https://github.com/ivanfratric/polypartition (src/polypartition.{cpp,h})
  • Version: git (7bdffb428b2b19ad1c43aa44c714dcc104177e84, 2021)
  • Modifications: Change from STL to Godot types (see provided patch).
  • License: MIT
• r128.h
  • Upstream: https://github.com/fahickman/r128
  • Version: 1.4.4 (cf2e88fc3e7d7dfe99189686f914874cd0bda15e, 2020)
  • License: Public Domain or Unlicense
• smaz.{c,h}
  • Upstream: https://github.com/antirez/smaz
  • Version: git (2f625846a775501fb69456567409a8b12f10ea25, 2012)
  • License: BSD-3-Clause
  • Modifications: use const char* instead of char* for input string
• smolv.h
  • Upstream: https://github.com/aras-p/smol-v
  • Version: git (4b52c165c13763051a18e80ffbc2ee436314ceb2, 2020)
  • License: Public Domain or MIT
• stb_rect_pack.h
  • Upstream: https://github.com/nothings/stb
  • Version: 1.01 (af1a5bc352164740c1cc1354942b1c6b72eacb8a, 2021)
  • License: Public Domain or Unlicense or MIT
• yuv2rgb.h
  • Upstream: http://wss.co.uk/pinknoise/yuv2rgb/ (to check)
  • Version: ?
  • License: BSD

msdfgen

• Upstream: https://github.com/Chlumsky/msdfgen
• Version: 1.9.2 (64a91eec3ca3787e6f78b4c99fcd3052ad3e37c0, 2021)
• License: MIT

Files extracted from the upstream source:

• msdfgen.h
• Files in core/ folder.
• LICENSE.txt and CHANGELOG.md

oidn

• Upstream: https://github.com/OpenImageDenoise/oidn
• Version: 1.1.0 (c58c5216db05ceef4cde5a096862f2eeffd14c06, 2019)
• License: Apache 2.0

Files extracted from upstream source:

• common/* (except tasking.* and CMakeLists.txt)
• core/*
• include/OpenImageDenoise/* (except version.h.in)
• LICENSE.txt
• mkl-dnn/include/*
• mkl-dnn/src/* (except CMakeLists.txt)
• weights/rtlightmap_hdr.tza
• scripts/resource_to_cpp.py

Modified files: Modifications are marked with // -- GODOT start -- and // -- GODOT end --. Patch files are provided in oidn/patches/.

• core/autoencoder.cpp

• core/autoencoder.h

• core/common.h

• core/device.cpp

• core/device.h

• core/transfer_function.cpp

• scripts/resource_to_cpp.py (used in modules/denoise/resource_to_cpp.py)

openxr

• Upstream: https://github.com/KhronosGroup/OpenXR-SDK
• Version: 1.0.26 (e2da9ce83a4388c9622da328bf48548471261290, 2022)
• License: Apache 2.0

Files extracted from upstream source:

• include/
• src/common/
• src/loader/
• src/*.{c,h}
• src/external/jsoncpp/include/
• src/external/jsoncpp/src/lib_json/
• LICENSE and COPYING.adoc

Exclude:

• src/external/android-jni-wrappers and src/external/jnipp (not used yet)
• All CMake stuff: cmake/, CMakeLists.txt and *.cmake
• All Gradle stuff: gradle, AndroidManifest.xml
• All following files (and their .license files): *.{def,in,json,map,pom,rc}

pcre2

• Upstream: http://www.pcre.org
• Version: 10.40 (3103b8f20a3b9944b177e812fde29fbfb8b90558, 2022)
• License: BSD-3-Clause

Files extracted from upstream source:

• Files listed in the file NON-AUTOTOOLS-BUILD steps 1-4
• All .h files in src/ apart from pcre2posix.h
• src/pcre2_jit_match.c
• src/pcre2_jit_misc.c
• src/sljit/
• AUTHORS and LICENCE

A sljit patch from upstream was backported to fix macOS < 11.0 compilation in 10.40, it can be found in the patches folder.

recastnavigation

• Upstream: https://github.com/recastnavigation/recastnavigation
• Version: git (4fef0446609b23d6ac180ed822817571525528a1, 2022)
• License: zlib

Files extracted from upstream source:

• Recast/ folder without CMakeLists.txt
• License.txt

rvo2

• Upstream: https://github.com/snape/RVO2-3D
• Version: git (bfc048670a4e85066e86a1f923d8ea92e3add3b2, 2021)
• License: Apache 2.0

Files extracted from upstream source:

• All .cpp and .h files in the src/ folder except for Export.h, RVO.h, RVOSimulator.cpp and RVOSimulator.h
• LICENSE

Important: Some files have Godot-made changes; so to enrich the features originally proposed by this library and better integrate this library with Godot. See the patch in the patches folder for details.

spirv-reflect

• Upstream: https://github.com/KhronosGroup/SPIRV-Reflect
• Version: sdk-1.3.231.1 (b68b5a8a5d8ab5fce79e6596f3a731291046393a, 2022)
• License: Apache 2.0

Now tracks Vulkan SDK releases, so keep it in sync with volk / vulkan.

Files extracted from upstream source:

• spirv_reflect.{c,h}
• include folder
• LICENSE

Some downstream changes have been made and are identified by // -- GODOT begin -- and // -- GODOT end -- comments. They can be reapplied using the patches included in the patches folder.

squish

• Upstream: https://sourceforge.net/projects/libsquish
• Version: 1.15 (r104, 2017)
• License: MIT

Files extracted from upstream source:

• all .cpp, .h and .inl files

Important: Some files have Godot-made changes. They are marked with // -- GODOT start -- and // -- GODOT end -- comments and a patch is provided in the squish/ folder.

tinyexr

• Upstream: https://github.com/syoyo/tinyexr
• Version: 1.0.1 (67010eae802211202d0797f4df2b809f4ba7442c, 2021)
• License: BSD-3-Clause

Files extracted from upstream source:

• tinyexr.{cc,h}

The tinyexr.cc file was modified to include zlib.h which we provide, instead of miniz.h as an external dependency.

thorvg

• Upstream: https://github.com/Samsung/thorvg
• Version: 0.8.4 (b0b7f207c6235691d694fc3f76e0b96e4858e606, 2023)
• License: MIT

Files extracted from upstream source:

See thorvg/update-thorvg.sh for extraction instructions. Set the version number and run the script.

vhacd

• Upstream: https://github.com/kmammou/v-hacd
• Version: git (1a49edf29c69039df15286181f2f27e17ceb9aef, 2020)
• License: BSD-3-Clause

Files extracted from upstream source:

• From src/VHACD_Lib/: inc, public and src
• LICENSE

Some downstream changes have been made and are identified by // -- GODOT start -- and // -- GODOT end -- comments. They can be reapplied using the patches included in the vhacd folder.

volk

• Upstream: https://github.com/zeux/volk
• Version: sdk-1.3.231.1 (f29df7d2834c434b39169d5b2e4dde8c05a5adc1, 2022)
• License: MIT

Unless there is a specific reason to package a more recent version, please stick to tagged releases. All Vulkan libraries and headers should be kept in sync so:

• Update Vulkan SDK components to the matching tag (see "vulkan").
• Update glslang (see "glslang").
• Update spirv-reflect (see "spirv-reflect").

Files extracted from upstream source:

• volk.h, volk.c
• LICENSE.md

vulkan

• Upstream: https://github.com/KhronosGroup/Vulkan-Headers
• Version: sdk-1.3.231.1 (98f440ce6868c94f5ec6e198cc1adda4760e8849, 2022)
• License: Apache 2.0

The vendored version should be kept in sync with volk, see above.

Files extracted from upstream source:

• include/
• LICENSE.txt

vk_enum_string_helper.h is taken from the matching Vulkan-ValidationLayers SDK release: https://github.com/KhronosGroup/Vulkan-ValidationLayers/blob/master/layers/generated/vk_enum_string_helper.h

vk_mem_alloc.h is taken from https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator Version: 3.0.1 (2022-06-10), commit cfdc0f8775ab3258a3b9c4e47d8ce4b6f52a5441 vk_mem_alloc.cpp is a Godot file and should be preserved on updates.

Patches in the patches directory should be re-applied after updates.

wslay

• Upstream: https://github.com/tatsuhiro-t/wslay
• Version: 1.1.1+git (45d22583b488f79d5a4e598cc7675c191c5ab53f, 2021)
• License: MIT

File extracted from upstream release tarball:

• Run cmake . to generate config.h and wslayver.h. Contents might need tweaking for Godot, review diff.
• All *.c and *.h files from lib/
• All *.h in lib/includes/wslay/ as wslay/
• wslay/wslay.h has a small Godot addition to fix MSVC build. See patches/msvcfix.diff
• COPYING

xatlas

• Upstream: https://github.com/jpcy/xatlas
• Version: git (16ace528acd2cf1f16a7c0dde99c42c486488dbe, 2022)
• License: MIT

Files extracted from upstream source:

• source/xatlas/xatlas.{cpp,h}
• LICENSE

zlib

• Upstream: https://www.zlib.net
• Version: 1.2.13 (2022)
• License: zlib

Files extracted from upstream source:

• All *.c and *.h files
• LICENSE

zstd

• Upstream: https://github.com/facebook/zstd
• Version: 1.5.2 (e47e674cd09583ff0503f0f6defd6d23d8b718d3, 2022)
• License: BSD-3-Clause

Files extracted from upstream source:

• lib/{common/,compress/,decompress/,zstd.h,zstd_errors.h}
• LICENSE