Dev, should probably be any number of PRs

.vscode/settings.json

@@ -0,0 +1,7 @@
+{
+    "python.testing.pytestArgs": [
+        "Tetris"
+    ],
+    "python.testing.unittestEnabled": false,
+    "python.testing.pytestEnabled": true
+}

Cargo.toml

@@ -4,15 +4,18 @@
 
 [workspace]
 members = [
+  # "rules21",
   "gds21",
   "layout21",
   "layout21converters",
   "layout21protos",
   "layout21raw",
-  "layout21tetris",
+  # "layout21tetris",
   "layout21utils",
+  "layout21wgpu",
   "lef21",
 ]
+resolver = "2"
 
 # Inherited Package Attributes
 # Thanks https://doc.rust-lang.org/cargo/reference/workspaces.html#the-package-table!

Tetris/.gitignore

@@ -0,0 +1,152 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintainted in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/

Tetris/LICENSE

@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2021, Dan Fritchman
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Tetris/readme.md

@@ -0,0 +1,5 @@
+
+# Tetris 
+
+Gridded Semi-Custom Integrated Circuit Layout
+

Tetris/setup.py

@@ -0,0 +1,34 @@
+"""
+# Setup Script
+
+Derived from the setuptools sample project at
+https://github.com/pypa/sampleproject/blob/main/setup.py
+
+"""
+
+# Always prefer setuptools over distutils
+from setuptools import setup, find_packages
+import pathlib
+
+here = pathlib.Path(__file__).parent.resolve()
+
+# Get the long description from the README file
+long_description = (here / "readme.md").read_text(encoding="utf-8")
+
+_VLSIR_VERSION = "1.0.0.dev0"
+
+setup(
+    name="tetris",
+    version=_VLSIR_VERSION,
+    description="Gridded Semi-Custom Integrated Circuit Layout",
+    long_description=long_description,
+    long_description_content_type="text/markdown",
+    url="https://github.com/dan-fritchman/Layout21",
+    author="Dan Fritchman",
+    packages=find_packages(),
+    python_requires=">=3.7, <4",
+    install_requires=[f"vlsir=={_VLSIR_VERSION}", "numpy==1.21.5"],
+    extras_require={
+        "dev": ["pytest==5.2", "coverage", "pytest-cov", "black==19.10b0", "twine"]
+    },
+)

Tetris/tests/empty.yaml

@@ -0,0 +1,13 @@
+---
+domain: demolib
+cells:
+  - name: democell
+    layout:
+      name: democell
+      outline:
+        x: [ 100 ]
+        y: [ 10 ]
+        metals: 0
+      instances: []
+      assignments: []
+      cuts: []

Tetris/tests/insts.yaml

@@ -0,0 +1,32 @@
+---
+domain: demoinst
+cells:
+  - name: unit
+    layout:
+      name: unit
+      outline:
+        x: [5]
+        y: [1]
+        metals: 2
+      instances: []
+      assignments: []
+      cuts: []
+  - name: democell
+    layout:
+      name: democell
+      outline:
+        x: [100]
+        y: [10]
+        metals: 5
+      instances:
+        - name: unit1
+          cell:
+            to:
+              Local: unit
+          loc:
+            place:
+              Abs: { x: 10, y: 1 }
+          reflect_horiz: false
+          reflect_vert: false
+      assignments: []
+      cuts: []