129 lines
3.3 KiB
Bash
Executable File
129 lines
3.3 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
set -eu
|
|
script_path=$( cd "$(dirname "${BASH_SOURCE[0]}")" ; pwd -P )
|
|
cd "$script_path/.."
|
|
|
|
./scripts/setup_web.sh
|
|
|
|
CRATE_NAME="egui_demo_app"
|
|
|
|
FEATURES="web_app"
|
|
|
|
OPEN=false
|
|
OPTIMIZE=false
|
|
BUILD=debug
|
|
BUILD_FLAGS=""
|
|
WGPU=false
|
|
WASM_OPT_FLAGS="-O2 --fast-math"
|
|
|
|
while test $# -gt 0; do
|
|
case "$1" in
|
|
-h|--help)
|
|
echo "build_demo_web.sh [--release] [--webgpu] [--open]"
|
|
echo ""
|
|
echo " -g: Keep debug symbols even with --release."
|
|
echo " These are useful profiling and size trimming."
|
|
echo ""
|
|
echo " --open: Open the result in a browser."
|
|
echo ""
|
|
echo " --release: Build with --release, and then run wasm-opt."
|
|
echo " NOTE: --release also removes debug symbols, unless you also use -g."
|
|
echo ""
|
|
echo " --wgpu: Build a binary using wgpu instead of glow/webgl."
|
|
echo " The resulting binary will automatically use WebGPU if available and"
|
|
echo " fall back to a WebGL emulation layer otherwise."
|
|
exit 0
|
|
;;
|
|
|
|
-g)
|
|
shift
|
|
WASM_OPT_FLAGS="${WASM_OPT_FLAGS} -g"
|
|
;;
|
|
|
|
--open)
|
|
shift
|
|
OPEN=true
|
|
;;
|
|
|
|
--release)
|
|
shift
|
|
OPTIMIZE=true
|
|
BUILD="release"
|
|
BUILD_FLAGS="--release"
|
|
;;
|
|
|
|
--wgpu)
|
|
shift
|
|
WGPU=true
|
|
;;
|
|
|
|
*)
|
|
echo "Unknown option: $1"
|
|
exit 1
|
|
;;
|
|
esac
|
|
done
|
|
|
|
OUT_FILE_NAME="egui_demo_app"
|
|
|
|
if [[ "${WGPU}" == true ]]; then
|
|
FEATURES="${FEATURES},wgpu"
|
|
else
|
|
FEATURES="${FEATURES},glow"
|
|
fi
|
|
|
|
FINAL_WASM_PATH=web_demo/${OUT_FILE_NAME}_bg.wasm
|
|
|
|
# Clear output from old stuff:
|
|
rm -f "${FINAL_WASM_PATH}"
|
|
|
|
echo "Building rust…"
|
|
|
|
(cd crates/$CRATE_NAME &&
|
|
cargo build \
|
|
${BUILD_FLAGS} \
|
|
--quiet \
|
|
--lib \
|
|
--target wasm32-unknown-unknown \
|
|
--no-default-features \
|
|
--features ${FEATURES}
|
|
)
|
|
|
|
# Get the output directory (in the workspace it is in another location)
|
|
# TARGET=`cargo metadata --format-version=1 | jq --raw-output .target_directory`
|
|
TARGET="target"
|
|
|
|
echo "Generating JS bindings for wasm…"
|
|
TARGET_NAME="${CRATE_NAME}.wasm"
|
|
WASM_PATH="${TARGET}/wasm32-unknown-unknown/$BUILD/$TARGET_NAME"
|
|
wasm-bindgen "${WASM_PATH}" --out-dir web_demo --out-name ${OUT_FILE_NAME} --no-modules --no-typescript
|
|
|
|
# if this fails with "error: cannot import from modules (`env`) with `--no-modules`", you can use:
|
|
# wasm2wat target/wasm32-unknown-unknown/release/egui_demo_app.wasm | rg env
|
|
# wasm2wat target/wasm32-unknown-unknown/release/egui_demo_app.wasm | rg "call .now\b" -B 20 # What calls `$now` (often a culprit)
|
|
# Or use https://rustwasm.github.io/twiggy/usage/command-line-interface/paths.html#twiggy-paths
|
|
|
|
# to get wasm-strip: apt/brew/dnf install wabt
|
|
# wasm-strip ${FINAL_WASM_PATH}
|
|
|
|
if [[ "${OPTIMIZE}" = true ]]; then
|
|
echo "Optimizing wasm…"
|
|
# to get wasm-opt: apt/brew/dnf install binaryen
|
|
wasm-opt "${FINAL_WASM_PATH}" $WASM_OPT_FLAGS -o "${FINAL_WASM_PATH}"
|
|
fi
|
|
|
|
echo "Finished ${FINAL_WASM_PATH}"
|
|
|
|
if [[ "${OPEN}" == true ]]; then
|
|
if [[ "$OSTYPE" == "linux-gnu"* ]]; then
|
|
# Linux, ex: Fedora
|
|
xdg-open http://localhost:8765/index.html
|
|
elif [[ "$OSTYPE" == "msys" ]]; then
|
|
# Windows
|
|
start http://localhost:8765/index.html
|
|
else
|
|
# Darwin/MacOS, or something else
|
|
open http://localhost:8765/index.html
|
|
fi
|
|
fi
|