.vscode/tasks.json - Add 'cmake gen'
Allow the developer to pick either the GN or CMake build. Extract the lengthy string out to a new bash script in <dawn>/tools.
Windows CMake is TODO.
The Tint repo defaulted to using CMake, where as the Dawn repo defaulted to using GN. This gives us the best of both.
Bug: dawn:1339
Change-Id: Ibd5cf2a8f1c6d416b231d3267d68e006aee806be
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86064
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Ben Clayton <bclayton@chromium.org>
diff --git a/tools/setup-build b/tools/setup-build
new file mode 100755
index 0000000..69087f7
--- /dev/null
+++ b/tools/setup-build
@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+# Copyright 2022 The Tint Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -e # Fail on any error.
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd )"
+ROOT_DIR="$( cd "${SCRIPT_DIR}/.." >/dev/null 2>&1 && pwd )"
+BUILD_SYSTEM=$(echo "$1" | tr '[:upper:]' '[:lower:]') # lowercase
+BUILD_TYPE=$(echo "$2" | tr '[:upper:]' '[:lower:]') # lowercase
+BUILD_DIR="${BUILD_SYSTEM}-${BUILD_TYPE}"
+
+function show_usage() {
+ echo "setup-build [gn|cmake] [debug|release]"
+ echo
+ echo "creates a build directory in <dawn>/out using either GN or CMake, then"
+ echo "updates the '<dawn>/out/active' symlink to point to the build directory"
+ exit 1
+}
+
+function generate() {
+ CMD=$1
+ pushd "$ROOT_DIR" > /dev/null
+ ${CMD}
+ rm -fr "out/active" || true
+ ln -s "$BUILD_DIR" "out/active"
+ popd > /dev/null
+}
+
+case $BUILD_SYSTEM in
+ "gn")
+ case $BUILD_TYPE in
+ "debug")
+ generate "gn gen out/${BUILD_DIR} --args=is_debug=true"
+ ;;
+ "release")
+ generate "gn gen out/${BUILD_DIR}"
+ ;;
+ *)
+ echo "invalid build type '${BUILD_TYPE}'"
+ show_usage
+ ;;
+ esac
+ ;;
+ "cmake")
+ case $BUILD_TYPE in
+ "debug")
+ generate "cmake -S . -B out/$BUILD_DIR -GNinja -DCMAKE_BUILD_TYPE=Debug"
+ ;;
+ "release")
+ generate "cmake -S . -B out/$BUILD_DIR -GNinja -DCMAKE_BUILD_TYPE=RelWithDebInfo"
+ ;;
+ *)
+ echo "invalid build type '${BUILD_TYPE}'"
+ show_usage
+ ;;
+ esac
+ ;;
+ "--help" | "-help" | "-h")
+ show_usage
+ ;;
+ *)
+ echo "invalid build system '${BUILD_SYSTEM}'"
+ show_usage
+ ;;
+esac
