.github/workflows/package-emdawnwebgpu.sh - dawn - Git at Google


            
            #!/bin/bash

            
            #

            
            # Copyright 2025 The Dawn & Tint Authors

            
            #

            
            # 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.


            set -euo pipefail


            # Version format: vYYYYMMDD.HHMMSS or vYYYYMMDD.HHMMSS-FORKOWNER.dawn.BRANCHNAME

            
            VERSION_DATETIME=$(git show -s --date=format:'%Y%m%d.%H%M%S' --format=%cd)

            
            VERSION_SUFFIX=${GITHUB_REPOSITORY/\//.}.${GITHUB_REF_NAME}

            
            if [[ "$VERSION_SUFFIX" != "google.dawn.main" ]] ; then

            
                PKG_VERSION=v${VERSION_DATETIME}-${VERSION_SUFFIX}

            
            else

            
                PKG_VERSION=v${VERSION_DATETIME}

            
            fi

            
            PKG_FILE=emdawnwebgpu_pkg-${PKG_VERSION}.zip

            
            REMOTE_PORT_FILE=emdawnwebgpu-${PKG_VERSION}.remoteport.py


            # Initialize dependencies. We could use gclient for this, but then we still have to

            
            # install gclient, and it takes a long time. We only need a few deps for emdawnwebgpu.

            
            git submodule update --init --depth=1 third_party/abseil-cpp

            
            git submodule update --init --depth=1 third_party/googletest

            
            git submodule update --init --depth=1 third_party/emsdk

            
            python3 tools/activate-emsdk


            # Build the package (which is not affected by the build type), and build the

            
            # link test in release mode (with Closure, which verifies the JS to some extent)

            
            mkdir -p out/wasm

            
            third_party/emsdk/upstream/emscripten/emcmake cmake -S=. -B=out/wasm -DCMAKE_BUILD_TYPE=Release

            
            make -j4 -C out/wasm emdawnwebgpu_pkg emdawnwebgpu_link_test


            # Also build the link test in debug mode.

            
            mkdir -p out/wasm-debug

            
            third_party/emsdk/upstream/emscripten/emcmake cmake -S=. -B=out/wasm-debug -DCMAKE_BUILD_TYPE=Debug

            
            make -j4 -C out/wasm-debug emdawnwebgpu_link_test


            # Get variables for documentation.

            
            SHA=$(git rev-parse HEAD)

            
            EMSDK_VERSION=$(python3 tools/activate-emsdk --get-emsdk-version)


            # Create zip

            
            cat << EOF > out/wasm/emdawnwebgpu_pkg/VERSION.txt

            
            Dawn release ${PKG_VERSION} at revision <https://dawn.googlesource.com/dawn/+log/${SHA}>.

            
            Built/tested with emsdk release ${EMSDK_VERSION}.

            
            EOF

            
            (cd out/wasm && zip -9roX - emdawnwebgpu_pkg > "../../${PKG_FILE}")

            
            PKG_FILE_SHA512=$(python3 -c 'import hashlib, sys; print(hashlib.sha512(sys.stdin.buffer.read()).hexdigest())' < "${PKG_FILE}")


            cat << EOF > "$REMOTE_PORT_FILE"

            
            # Copyright 2025 The Emscripten Authors.  All rights reserved.

            
            # Emscripten is available under two separate licenses, the MIT license and the

            
            # University of Illinois/NCSA Open Source License.  Both these licenses can be

            
            # found in the LICENSE file.


            # https://dawn.googlesource.com/dawn/+/${SHA}/src/emdawnwebgpu/pkg/README.md

            
            r"""

            
            $(cat out/wasm/emdawnwebgpu_pkg/README.md)

            
            """


            TAG = '${PKG_VERSION}'


            EXTERNAL_PORT = f'https://github.com/${GITHUB_REPOSITORY}/releases/download/{TAG}/emdawnwebgpu_pkg-{TAG}.zip'

            
            SHA512 = '${PKG_FILE_SHA512}'

            
            PORT_FILE = 'emdawnwebgpu_pkg/emdawnwebgpu.port.py'


            # Port information (required)


            # - Visible in emcc --show-ports and emcc --use-port=emdawnwebgpu:help

            
            LICENSE = "Some files: BSD 3-Clause License. Other files: Emscripten's license (available under both MIT License and University of Illinois/NCSA Open Source License)"


            # - Visible in emcc --use-port=emdawnwebgpu:help

            
            DESCRIPTION = "Emdawnwebgpu implements webgpu.h on WebGPU, replacing -sUSE_WEBGPU. **For info on usage and filing feedback, see link below.**"

            
            URL = 'https://dawn.googlesource.com/dawn/+/${SHA}/src/emdawnwebgpu/pkg/README.md'

            
            EOF


            # Create RELEASE_INFO.md

            
            cat << EOF > RELEASE_INFO.md

            
            $(cat out/wasm/emdawnwebgpu_pkg/VERSION.txt)


            Use either the \`emdawnwebgpu-*.remoteport.py\` file (Emscripten 4.0.10+) or the \`emdawnwebgpu_pkg-*.zip\`.

            
            For full instructions, see the [README](https://dawn.googlesource.com/dawn/+/${SHA}/src/emdawnwebgpu/pkg/README.md) which is included in both files.

            
            EOF


            # Save version numbers for later steps

            
            if [[ -n "${GITHUB_OUTPUT:-}" ]] ; then

            
                echo "PKG_VERSION=$PKG_VERSION" >> $GITHUB_OUTPUT

            
                echo "PKG_FILE=$PKG_FILE" >> $GITHUB_OUTPUT

            
                echo "REMOTE_PORT_FILE=$REMOTE_PORT_FILE" >> $GITHUB_OUTPUT

            
            fi
	#!/bin/bash
	#
	# Copyright 2025 The Dawn & Tint Authors
	#
	# 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.

	set -euo pipefail

	# Version format: vYYYYMMDD.HHMMSS or vYYYYMMDD.HHMMSS-FORKOWNER.dawn.BRANCHNAME
	VERSION_DATETIME=$(git show -s --date=format:'%Y%m%d.%H%M%S' --format=%cd)
	VERSION_SUFFIX=${GITHUB_REPOSITORY/\//.}.${GITHUB_REF_NAME}
	if [[ "$VERSION_SUFFIX" != "google.dawn.main" ]] ; then
	PKG_VERSION=v${VERSION_DATETIME}-${VERSION_SUFFIX}
	else
	PKG_VERSION=v${VERSION_DATETIME}
	fi
	PKG_FILE=emdawnwebgpu_pkg-${PKG_VERSION}.zip
	REMOTE_PORT_FILE=emdawnwebgpu-${PKG_VERSION}.remoteport.py

	# Initialize dependencies. We could use gclient for this, but then we still have to
	# install gclient, and it takes a long time. We only need a few deps for emdawnwebgpu.
	git submodule update --init --depth=1 third_party/abseil-cpp
	git submodule update --init --depth=1 third_party/googletest
	git submodule update --init --depth=1 third_party/emsdk
	python3 tools/activate-emsdk

	# Build the package (which is not affected by the build type), and build the
	# link test in release mode (with Closure, which verifies the JS to some extent)
	mkdir -p out/wasm
	third_party/emsdk/upstream/emscripten/emcmake cmake -S=. -B=out/wasm -DCMAKE_BUILD_TYPE=Release
	make -j4 -C out/wasm emdawnwebgpu_pkg emdawnwebgpu_link_test

	# Also build the link test in debug mode.
	mkdir -p out/wasm-debug
	third_party/emsdk/upstream/emscripten/emcmake cmake -S=. -B=out/wasm-debug -DCMAKE_BUILD_TYPE=Debug
	make -j4 -C out/wasm-debug emdawnwebgpu_link_test

	# Get variables for documentation.
	SHA=$(git rev-parse HEAD)
	EMSDK_VERSION=$(python3 tools/activate-emsdk --get-emsdk-version)

	# Create zip
	cat << EOF > out/wasm/emdawnwebgpu_pkg/VERSION.txt
	Dawn release ${PKG_VERSION} at revision <https://dawn.googlesource.com/dawn/+log/${SHA}>.
	Built/tested with emsdk release ${EMSDK_VERSION}.
	EOF
	(cd out/wasm && zip -9roX - emdawnwebgpu_pkg > "../../${PKG_FILE}")
	PKG_FILE_SHA512=$(python3 -c 'import hashlib, sys; print(hashlib.sha512(sys.stdin.buffer.read()).hexdigest())' < "${PKG_FILE}")

	cat << EOF > "$REMOTE_PORT_FILE"
	# Copyright 2025 The Emscripten Authors. All rights reserved.
	# Emscripten is available under two separate licenses, the MIT license and the
	# University of Illinois/NCSA Open Source License. Both these licenses can be
	# found in the LICENSE file.

	# https://dawn.googlesource.com/dawn/+/${SHA}/src/emdawnwebgpu/pkg/README.md
	r"""
	$(cat out/wasm/emdawnwebgpu_pkg/README.md)
	"""

	TAG = '${PKG_VERSION}'

	EXTERNAL_PORT = f'https://github.com/${GITHUB_REPOSITORY}/releases/download/{TAG}/emdawnwebgpu_pkg-{TAG}.zip'
	SHA512 = '${PKG_FILE_SHA512}'
	PORT_FILE = 'emdawnwebgpu_pkg/emdawnwebgpu.port.py'

	# Port information (required)

	# - Visible in emcc --show-ports and emcc --use-port=emdawnwebgpu:help
	LICENSE = "Some files: BSD 3-Clause License. Other files: Emscripten's license (available under both MIT License and University of Illinois/NCSA Open Source License)"

	# - Visible in emcc --use-port=emdawnwebgpu:help
	DESCRIPTION = "Emdawnwebgpu implements webgpu.h on WebGPU, replacing -sUSE_WEBGPU. For info on usage and filing feedback, see link below."
	URL = 'https://dawn.googlesource.com/dawn/+/${SHA}/src/emdawnwebgpu/pkg/README.md'
	EOF

	# Create RELEASE_INFO.md
	cat << EOF > RELEASE_INFO.md
	$(cat out/wasm/emdawnwebgpu_pkg/VERSION.txt)

	Use either the \`emdawnwebgpu-.remoteport.py\` file (Emscripten 4.0.10+) or the \`emdawnwebgpu_pkg-.zip\`.
	For full instructions, see the [README](https://dawn.googlesource.com/dawn/+/${SHA}/src/emdawnwebgpu/pkg/README.md) which is included in both files.
	EOF

	# Save version numbers for later steps
	if [[ -n "${GITHUB_OUTPUT:-}" ]] ; then
	echo "PKG_VERSION=$PKG_VERSION" >> $GITHUB_OUTPUT
	echo "PKG_FILE=$PKG_FILE" >> $GITHUB_OUTPUT
	echo "REMOTE_PORT_FILE=$REMOTE_PORT_FILE" >> $GITHUB_OUTPUT
	fi