From 15c2fc40b67c52a3d934dbd540ab31a09e4753f8 Mon Sep 17 00:00:00 2001 From: quasar Date: Tue, 13 Oct 2026 17:30:33 +0000 Subject: [PATCH 1/2] Change License to LGPLv3 (issue 9) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - LICENSE: CC0 1.0 Universal -> GNU Lesser General Public License v3.0 with Copyright (C) 2026 QuasarApp Group DOO - All new code after this commit is licensed under LGPLv3; existing upstream-derived sources are untouched - Remove the root UNLICENSE file (contradicts the new license); note: hlsl/UNLICENSE is kept — it marks the existing third-party-derived HLSL code - Update the license header comments in CMakeLists.txt and tests/CMakeLists.txt Fixes #9 --- CMakeLists.txt | 3 +- LICENSE | 302 ++++++++++++++++++++++++++----------------- UNLICENSE | 24 ---- tests/CMakeLists.txt | 3 +- 4 files changed, 185 insertions(+), 147 deletions(-) delete mode 100644 UNLICENSE diff --git a/CMakeLists.txt b/CMakeLists.txt index 4f1eaf6..bc8e154 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,6 +1,7 @@ # # Copyright (C) 2025-2026 QuasarApp. -# Distributed under the Unlicense, see the accompanying UNLICENSE file. +# Distributed under the GNU Lesser General Public License v3.0 (LGPL-3.0), +# see the accompanying LICENSE file. # cmake_minimum_required(VERSION 3.19) diff --git a/LICENSE b/LICENSE index 0e259d4..0be8989 100644 --- a/LICENSE +++ b/LICENSE @@ -1,121 +1,181 @@ -Creative Commons Legal Code - -CC0 1.0 Universal - - CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE - LEGAL SERVICES. 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We make this dedication for the benefit -of the public at large and to the detriment of our heirs and -successors. We intend this dedication to be an overt act of -relinquishment in perpetuity of all present and future rights to this -software under copyright law. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR -OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, -ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -OTHER DEALINGS IN THE SOFTWARE. - -For more information, please refer to diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt index d8f26f5..a4ee25e 100644 --- a/tests/CMakeLists.txt +++ b/tests/CMakeLists.txt @@ -1,6 +1,7 @@ # # Copyright (C) 2025-2026 QuasarApp. -# Distributed under the Unlicense, see the accompanying UNLICENSE file. +# Distributed under the GNU Lesser General Public License v3.0 (LGPL-3.0), +# see the accompanying LICENSE file. # get_filename_component(CURRENT_PROJECT_DIR ${CMAKE_CURRENT_SOURCE_DIR} NAME) From 76abe05ed387b24f1a8a041fb5107a6aad07b12c Mon Sep 17 00:00:00 2001 From: quasar Date: Tue, 13 Oct 2026 18:14:41 +0000 Subject: [PATCH 2/2] Add copyright headers to all files (review of PR #16) Per EndrII review: every file now carries a copyright header. Upstream-derived files (OpenSimplex2F.c/h, Makefile, glsl/*, hlsl/*) credit the previous license and previous owners (CC0 1.0 Universal, Copyright (C) 2019-2020 KdotJPG, from 2019 to 2020) and then our license (LGPLv3, Copyright (C) 2026 QuasarApp Group DOO). New QuasarApp files (CMakeLists, tests, CI workflow, dotfiles) carry our LGPLv3 copyright. LICENSE documents both: previous license/owners section first, then our LGPLv3 license and full text. Build + test validated locally: 3/3 passing. --- .github/workflows/ci.yml | 4 ++++ .gitignore | 2 ++ .gitmodules | 2 ++ CMakeLists.txt | 2 +- LICENSE | 28 ++++++++++++++++++++++++---- Makefile | 8 ++++++++ OpenSimplex2F.c | 9 +++++++++ OpenSimplex2F.h | 9 +++++++++ glsl/OpenSimplex2.glsl | 7 +++++++ glsl/OpenSimplex2S.glsl | 7 +++++++ hlsl/OpenSimplex2.hlsl | 7 +++++++ hlsl/OpenSimplex2S.hlsl | 7 +++++++ tests/CMakeLists.txt | 2 +- tests/test_OpenSimplex2F.c | 6 ++++++ 14 files changed, 94 insertions(+), 6 deletions(-) diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index 73d4df1..12f2b08 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -1,3 +1,7 @@ +# Copyright (C) 2026 QuasarApp Group DOO +# Licensed under the GNU Lesser General Public License v3.0 (LGPL-3.0), +# see the accompanying LICENSE file. + name: Build and Test # Builds the OpenSimplex2 CMake project and runs its internal `test` target. diff --git a/.gitignore b/.gitignore index c454441..9abd27f 100644 --- a/.gitignore +++ b/.gitignore @@ -1,3 +1,5 @@ +# Copyright (C) 2026 QuasarApp Group DOO - LGPL-3.0, see the LICENSE file. + # C build artifacts *.o test_OpenSimplex2F diff --git a/.gitmodules b/.gitmodules index cd1c448..6d7023e 100644 --- a/.gitmodules +++ b/.gitmodules @@ -1,3 +1,5 @@ +# Copyright (C) 2026 QuasarApp Group DOO - LGPL-3.0, see the LICENSE file. + [submodule "submodule/CMake"] path = submodule/CMake url = https://github.com/QuasarApp/CMake.git diff --git a/CMakeLists.txt b/CMakeLists.txt index bc8e154..d42ad59 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,5 +1,5 @@ # -# Copyright (C) 2025-2026 QuasarApp. +# Copyright (C) 2026 QuasarApp Group DOO. # Distributed under the GNU Lesser General Public License v3.0 (LGPL-3.0), # see the accompanying LICENSE file. # diff --git a/LICENSE b/LICENSE index 0be8989..732fff7 100644 --- a/LICENSE +++ b/LICENSE @@ -1,11 +1,31 @@ OpenSimplex2 The most fast implementation of the OpenSimplex noise (2D, 3D and 4D) in C. -Copyright (C) 2026 QuasarApp Group DOO +============================================================================ +Previous license and previous owners (from 2019 to 2020) +============================================================================ + +The original OpenSimplex2 sources in this repository (OpenSimplex2F.c, +OpenSimplex2F.h, Makefile, glsl/*, hlsl/*) come from the upstream project +by KdotJPG: + + Copyright (C) 2019-2020 KdotJPG + (https://github.com/KdotJPG/New-Simplex-Style-Gradient-Noise) + +They were previously released under the CC0 1.0 Universal public domain +dedication (). That +dedication remains in effect for those files; the hlsl/ directory keeps a +copy of the CC0 text as UNLICENSE. + +============================================================================ +Our license (from 2026 to the present) +============================================================================ + +All new code added by the QuasarApp fork is licensed under the GNU Lesser +General Public License as published by the Free Software Foundation, +either version 3 of the License, or (at your option) any later version: -This project is licensed under the GNU Lesser General Public License as -published by the Free Software Foundation, either version 3 of the License, -or (at your option) any later version. + Copyright (C) 2026 QuasarApp Group DOO You should have received a copy of the GNU Lesser General Public License along with this project. If not, see . diff --git a/Makefile b/Makefile index 5f61ba7..262007e 100644 --- a/Makefile +++ b/Makefile @@ -1,3 +1,11 @@ +# +# Copyright (C) 2019-2020 KdotJPG (original work, previous license: +# CC0 1.0 Universal, public domain dedication). +# +# Copyright (C) 2026 QuasarApp Group DOO +# Licensed under the GNU Lesser General Public License v3.0 (LGPL-3.0), +# see the accompanying LICENSE file. +# CFLAGS=-Wall -Wextra --pedantic -O3 # CFLAGS=-Wall -Wextra --pedantic -g -fsanitize=undefined diff --git a/OpenSimplex2F.c b/OpenSimplex2F.c index ca56e09..eac28f0 100644 --- a/OpenSimplex2F.c +++ b/OpenSimplex2F.c @@ -1,3 +1,12 @@ +/* + * Copyright (C) 2019-2020 KdotJPG (original work, previous license: + * CC0 1.0 Universal, public domain dedication). + * + * Copyright (C) 2026 QuasarApp Group DOO + * Licensed under the GNU Lesser General Public License v3.0 (LGPL-3.0), + * see the accompanying LICENSE file. + */ + /** * K.jpg's OpenSimplex 2, faster variant * diff --git a/OpenSimplex2F.h b/OpenSimplex2F.h index 839f2af..1ce7510 100644 --- a/OpenSimplex2F.h +++ b/OpenSimplex2F.h @@ -1,3 +1,12 @@ +/* + * Copyright (C) 2019-2020 KdotJPG (original work, previous license: + * CC0 1.0 Universal, public domain dedication). + * + * Copyright (C) 2026 QuasarApp Group DOO + * Licensed under the GNU Lesser General Public License v3.0 (LGPL-3.0), + * see the accompanying LICENSE file. + */ + #ifndef OpenSimplex2F_h__ #define OpenSimplex2F_h__ diff --git a/glsl/OpenSimplex2.glsl b/glsl/OpenSimplex2.glsl index d675ab8..e47337d 100644 --- a/glsl/OpenSimplex2.glsl +++ b/glsl/OpenSimplex2.glsl @@ -1,3 +1,10 @@ +// Copyright (C) 2019-2020 KdotJPG (original work, previous license: +// CC0 1.0 Universal, public domain dedication). +// +// Copyright (C) 2026 QuasarApp Group DOO +// Licensed under the GNU Lesser General Public License v3.0 (LGPL-3.0), +// see the accompanying LICENSE file. + //////////////// K.jpg's Re-oriented 4-Point BCC Noise (OpenSimplex2) //////////////// ////////////////////// Output: vec4(dF/dx, dF/dy, dF/dz, value) ////////////////////// diff --git a/glsl/OpenSimplex2S.glsl b/glsl/OpenSimplex2S.glsl index 82b07d8..cf4276b 100644 --- a/glsl/OpenSimplex2S.glsl +++ b/glsl/OpenSimplex2S.glsl @@ -1,3 +1,10 @@ +// Copyright (C) 2019-2020 KdotJPG (original work, previous license: +// CC0 1.0 Universal, public domain dedication). +// +// Copyright (C) 2026 QuasarApp Group DOO +// Licensed under the GNU Lesser General Public License v3.0 (LGPL-3.0), +// see the accompanying LICENSE file. + /////////////// K.jpg's Re-oriented 8-Point BCC Noise (OpenSimplex2S) //////////////// ////////////////////// Output: vec4(dF/dx, dF/dy, dF/dz, value) ////////////////////// diff --git a/hlsl/OpenSimplex2.hlsl b/hlsl/OpenSimplex2.hlsl index b1e563b..b3b3cd4 100644 --- a/hlsl/OpenSimplex2.hlsl +++ b/hlsl/OpenSimplex2.hlsl @@ -1,3 +1,10 @@ +// Copyright (C) 2019-2020 KdotJPG (original work, previous license: +// CC0 1.0 Universal, public domain dedication). +// +// Copyright (C) 2026 QuasarApp Group DOO +// Licensed under the GNU Lesser General Public License v3.0 (LGPL-3.0), +// see the accompanying LICENSE file. + #ifndef __bcc_noise_4_hlsl_ #define __bcc_noise_4_hlsl_ diff --git a/hlsl/OpenSimplex2S.hlsl b/hlsl/OpenSimplex2S.hlsl index b9b072e..935399d 100644 --- a/hlsl/OpenSimplex2S.hlsl +++ b/hlsl/OpenSimplex2S.hlsl @@ -1,3 +1,10 @@ +// Copyright (C) 2019-2020 KdotJPG (original work, previous license: +// CC0 1.0 Universal, public domain dedication). +// +// Copyright (C) 2026 QuasarApp Group DOO +// Licensed under the GNU Lesser General Public License v3.0 (LGPL-3.0), +// see the accompanying LICENSE file. + #ifndef __bcc_noise_8_hlsl_ #define __bcc_noise_8_hlsl_ diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt index a4ee25e..46f59b5 100644 --- a/tests/CMakeLists.txt +++ b/tests/CMakeLists.txt @@ -1,5 +1,5 @@ # -# Copyright (C) 2025-2026 QuasarApp. +# Copyright (C) 2026 QuasarApp Group DOO. # Distributed under the GNU Lesser General Public License v3.0 (LGPL-3.0), # see the accompanying LICENSE file. # diff --git a/tests/test_OpenSimplex2F.c b/tests/test_OpenSimplex2F.c index f1bad93..5c5fd84 100644 --- a/tests/test_OpenSimplex2F.c +++ b/tests/test_OpenSimplex2F.c @@ -1,3 +1,9 @@ +/* + * Copyright (C) 2026 QuasarApp Group DOO + * Licensed under the GNU Lesser General Public License v3.0 (LGPL-3.0), + * see the accompanying LICENSE file. + */ + #include #if ((__STDC_VERSION__ >= 199901L) || (_MSC_VER)) #include