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Cocoa: Make GLFW work with AWT on macOS
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GLFW requires to be called on the main thread. Starting with
-XstartOnFirstThread will achieve that. However, when calling into AWT,
AWT takes over the run loop, and GLFW is never getting any new events.

This commit changes GLFW so its windowing functions can be called on a
different thread. The JVM can then be started without
-XstartOnFirstThread. Next, we have to give AWT control of the run
loop, i.e. by calling Toolkit.getDefaultToolkit() via
EventQueue.invokeAndWait. This will setup the run loop and give AWT
control. Finally, we can call into glfwInit and consorts, on the JVM
main thread, which is NOT the Cocoa main thread. All calls into GLFW get
dispatched to the Cocoa main thread in blocking mode. This way GLFW and
AWT can live happily side by side.

See https://gist.github.com/badlogic/e059fba23d6151ceb82c26f4f4b1470d
for a LWJGL3 example.
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@badlogic @Spasi
badlogic authored and Spasi committed Jul 23, 2024
1 parent aca8858 commit c5e42f7
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283 changes: 5 additions & 278 deletions .github/workflows/lwjgl.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ on:
workflow_dispatch:
push:
branches:
- master
- macos-async

env:
AWS_DEFAULT_REGION: us-east-1
Expand All @@ -14,248 +14,6 @@ env:
GLFW_PARAMS: -DGLFW_LIBRARY_TYPE=SHARED -DGLFW_BUILD_EXAMPLES=OFF -DGLFW_BUILD_TESTS=OFF -DGLFW_BUILD_DOCS=OFF -DCMAKE_BUILD_TYPE=Release

jobs:
linux:
name: Linux
runs-on: ubuntu-latest
container:
image: centos:7
strategy:
fail-fast: false
matrix:
ARCH: [x64]
include:
- ARCH: x64
env:
ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
LWJGL_ARCH: ${{matrix.ARCH}}
defaults:
run:
shell: bash
steps:
- name: Upgrade git
run: |
sed -i \
-e 's/^mirrorlist/#mirrorlist/' \
-e 's/^#baseurl/baseurl/' \
-e 's/mirror\.centos\.org/vault.centos.org/' \
/etc/yum.repos.d/*.repo
yum -y install https://packages.endpointdev.com/rhel/7/os/x86_64/endpoint-repo.x86_64.rpm
yum -y install git
- uses: actions/checkout@v3
with:
fetch-depth: 3
- name: Configure yum
run: |
yum -y install epel-release
yum -y update
- name: Install build dependencies
run: |
yum -y install centos-release-scl
sed -i \
-e 's/^mirrorlist/#mirrorlist/' \
-e 's/^#baseurl/baseurl/' \
-e 's/^# baseurl/baseurl/' \
-e 's/mirror\.centos\.org/vault.centos.org/' \
/etc/yum.repos.d/CentOS-SCLo-scl*.repo
yum -y install devtoolset-11-gcc-c++
yum -y install cmake3 awscli
- name: Install GLFW dependencies
run: yum -y install libXrandr-devel libXinerama-devel libXcursor-devel libXi-devel libXext-devel libxkbcommon-devel wayland-devel
# GLFW requires wayland-protocols >= 1.15, which is not available on Ubuntu 18.04
# The headers were generated offline and uploaded to S3, download here.
# mkdir -p build/src
# aws s3 cp s3://lwjgl-build/ci/wayland-protocols/ build/src/ --recursive
- name: Configure build
run: |
source scl_source enable devtoolset-11 || true
cmake3 -B build $GLFW_PARAMS -DGLFW_BUILD_WAYLAND=ON -DCMAKE_C_FLAGS="-std=c99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0"
- name: Build
run: |
source scl_source enable devtoolset-11 || true
cmake3 --build build --parallel
strip build/src/libglfw.so
- name: Upload artifact
run: aws s3 cp build/src/libglfw.so s3://lwjgl-build/nightly/linux/${{matrix.ARCH}}/ ${{env.S3_PARAMS}}
- name: Upload git revision
run: |
git config --global --add safe.directory $PWD
git log --first-parent --pretty=format:%H --skip 2 -n 1 > libglfw.so.git
aws s3 cp libglfw.so.git s3://lwjgl-build/nightly/linux/${{matrix.ARCH}}/ ${{env.S3_PARAMS}}
linux-cross:
name: Linux Cross
runs-on: ubuntu-22.04
strategy:
fail-fast: false
matrix:
ARCH: [arm32, arm64, ppc64le, riscv64]
include:
# ----
- ARCH: arm32
CROSS_ARCH: armhf
TRIPLET: arm-linux-gnueabihf
# ----
- ARCH: arm64
CROSS_ARCH: arm64
TRIPLET: aarch64-linux-gnu
# ----
- ARCH: ppc64le
CROSS_ARCH: ppc64el
TRIPLET: powerpc64le-linux-gnu
# ----
- ARCH: riscv64
CROSS_ARCH: riscv64
TRIPLET: riscv64-linux-gnu
env:
LWJGL_ARCH: ${{matrix.ARCH}}
defaults:
run:
shell: bash
steps:
- name: Install build dependencies
run: DEBIAN_FRONTEND=noninteractive sudo apt-get -yq install awscli cmake gcc-${{matrix.TRIPLET}} libc6-dev-${{matrix.CROSS_ARCH}}-cross
- uses: actions/checkout@v4
with:
fetch-depth: 3
- name: Prepare cross-compilation for ${{matrix.CROSS_ARCH}}
run: |
sudo sed -i 's/deb mirror/deb [arch=amd64,i386] mirror/' /etc/apt/sources.list
sudo grep "mirror+file" /etc/apt/sources.list | sudo tee /etc/apt/sources.list.d/ports.list
sudo sed -i 's/amd64,i386/${{matrix.CROSS_ARCH}}/' /etc/apt/sources.list.d/ports.list
sudo sed -i 's#mirror+file:/etc/apt/apt-mirrors.txt#http://ports.ubuntu.com/ubuntu-ports/#' /etc/apt/sources.list.d/ports.list
sudo dpkg --add-architecture ${{matrix.CROSS_ARCH}}
sudo apt-get update || true
- name: Install dependencies
run: DEBIAN_FRONTEND=noninteractive sudo apt-get -yq --no-install-suggests --no-install-recommends install libxrandr-dev:${{matrix.CROSS_ARCH}} libxinerama-dev:${{matrix.CROSS_ARCH}} libxcursor-dev:${{matrix.CROSS_ARCH}} libxi-dev:${{matrix.CROSS_ARCH}} libxext-dev:${{matrix.CROSS_ARCH}} libxkbcommon-dev:${{matrix.CROSS_ARCH}} libwayland-dev:${{matrix.CROSS_ARCH}}
- name: Configure build
run: PKG_CONFIG_PATH=${PKG_CONFIG_PATH}:${CMAKE_SYSROOT}/usr/lib/${{matrix.TRIPLET}}/pkgconfig CC=${{matrix.TRIPLET}}-gcc cmake -B build $GLFW_PARAMS -DGLFW_BUILD_WAYLAND=ON -DCMAKE_C_FLAGS="-std=c99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0"
- name: Build
run: |
cmake --build build --parallel
${{matrix.TRIPLET}}-strip build/src/libglfw.so
- name: Upload artifact
run: aws s3 cp build/src/libglfw.so s3://lwjgl-build/nightly/linux/${{matrix.ARCH}}/ ${{env.S3_PARAMS}}
- name: Upload git revision
run: |
git config --global --add safe.directory $(pwd)
git log --first-parent --pretty=format:%H --skip 2 -n 1 > libglfw.so.git
aws s3 cp libglfw.so.git s3://lwjgl-build/nightly/linux/${{matrix.ARCH}}/ ${{env.S3_PARAMS}}
# linux-cross:
# name: Linux Cross
# runs-on: ubuntu-latest
# container:
# image: ${{matrix.CONTAINER}}
# strategy:
# fail-fast: false
# matrix:
# ARCH: [arm32, arm64, ppc64le, riscv64]
# include:
# # ----
# - ARCH: arm32
# CROSS_ARCH: armhf
# CONTAINER: ubuntu:18.04
# TRIPLET: arm-linux-gnueabihf
# # ----
# - ARCH: arm64
# CROSS_ARCH: arm64
# CONTAINER: ubuntu:18.04
# TRIPLET: aarch64-linux-gnu
# # ----
# - ARCH: ppc64le
# CROSS_ARCH: ppc64el
# CONTAINER: ubuntu:18.04
# TRIPLET: powerpc64le-linux-gnu
# # ----
# - ARCH: riscv64
# CROSS_ARCH: riscv64
# CONTAINER: ubuntu:20.04
# TRIPLET: riscv64-linux-gnu
# env:
# LWJGL_ARCH: ${{matrix.ARCH}}
# defaults:
# run:
# shell: bash
# steps:
# - name: Update apt repositories
# run: |
# apt-get -y update
# apt-get -y install software-properties-common wget
# apt-get -y install --reinstall ca-certificates
# apt-get -y update
# apt-get -y upgrade
# wget https://apt.kitware.com/keys/kitware-archive-latest.asc
# apt-key add kitware-archive-latest.asc
# add-apt-repository -y 'deb https://apt.kitware.com/ubuntu/ bionic main'
# add-apt-repository -y ppa:git-core/ppa
# if: ${{ matrix.CONTAINER == 'ubuntu:18.04' }}
# - name: Upgrade git
# run: |
# apt-get -y update
# apt-get -y upgrade
# DEBIAN_FRONTEND=noninteractive apt-get -yq install awscli git cmake pkg-config
# - uses: actions/checkout@v3
# with:
# fetch-depth: 3
# - name: Prepare cross-compilation for ${{matrix.CROSS_ARCH}}
# run: |
# sed -i 's/deb http/deb [arch=amd64,i386] http/' /etc/apt/sources.list
# grep "ubuntu.com/ubuntu" /etc/apt/sources.list | tee /etc/apt/sources.list.d/ports.list
# sed -i 's/amd64,i386/${{matrix.CROSS_ARCH}}/' /etc/apt/sources.list.d/ports.list
# sed -i 's#http://.*/ubuntu#http://ports.ubuntu.com/ubuntu-ports#' /etc/apt/sources.list.d/ports.list
# dpkg --add-architecture ${{matrix.CROSS_ARCH}}
# apt-get update
# - name: Install dependencies
# run: apt-get -yq --no-install-suggests --no-install-recommends install gcc-${{matrix.TRIPLET}} libc6-dev-${{matrix.CROSS_ARCH}}-cross libxrandr-dev:${{matrix.CROSS_ARCH}} libxinerama-dev:${{matrix.CROSS_ARCH}} libxcursor-dev:${{matrix.CROSS_ARCH}} libxi-dev:${{matrix.CROSS_ARCH}} libxext-dev:${{matrix.CROSS_ARCH}} libxkbcommon-dev:${{matrix.CROSS_ARCH}} libwayland-dev:${{matrix.CROSS_ARCH}}
# # GLFW requires wayland-protocols >= 1.15, which is not available on Ubuntu 18.04
# # The headers were generated offline and uploaded to S3, download here.
# # mkdir -p build/src
# # aws s3 cp s3://lwjgl-build/ci/wayland-protocols/ build/src/ --recursive
# - name: Configure build
# run: PKG_CONFIG_PATH=${PKG_CONFIG_PATH}:${CMAKE_SYSROOT}/usr/lib/${{matrix.TRIPLET}}/pkgconfig CC=${{matrix.TRIPLET}}-gcc cmake -B build $GLFW_PARAMS -DGLFW_BUILD_WAYLAND=ON -DCMAKE_C_FLAGS="-std=c99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0"
# - name: Build
# run: |
# cmake --build build --parallel
# ${{matrix.TRIPLET}}-strip build/src/libglfw.so
# - name: Upload artifact
# run: aws s3 cp build/src/libglfw.so s3://lwjgl-build/nightly/linux/${{matrix.ARCH}}/ ${{env.S3_PARAMS}}
# - name: Upload git revision
# run: |
# git config --global --add safe.directory $(pwd)
# git log --first-parent --pretty=format:%H --skip 2 -n 1 > libglfw.so.git
# aws s3 cp libglfw.so.git s3://lwjgl-build/nightly/linux/${{matrix.ARCH}}/ ${{env.S3_PARAMS}}

freebsd-cross:
name: FreeBSD Cross
runs-on: ubuntu-latest
strategy:
fail-fast: false
steps:
- uses: actions/checkout@v4
with:
fetch-depth: 3
- name: Build
uses: cross-platform-actions/action@v0.24.0
with:
operating_system: freebsd
architecture: x86-64
version: '13.2'
memory: 4G
shell: bash
environment_variables: GLFW_PARAMS
run: |
sudo pkg install -y cmake gmake pkgconf libXrandr libXinerama libXcursor libXi libXext libxkbcommon wayland wayland-protocols libevdev evdev-proto
cmake -B build $GLFW_PARAMS -DGLFW_BUILD_WAYLAND=ON -DCMAKE_C_FLAGS="-std=c99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0"
cmake --build build --parallel
strip build/src/libglfw.so
- name: Upload artifact
run: aws s3 cp build/src/libglfw.so s3://lwjgl-build/nightly/freebsd/x64/ ${{env.S3_PARAMS}}
- name: Upload git revision
run: |
git config --global --add safe.directory $PWD
git log --first-parent --pretty=format:%H --skip 2 -n 1 > libglfw.so.git
aws s3 cp libglfw.so.git s3://lwjgl-build/nightly/freebsd/x64/ ${{env.S3_PARAMS}}
macos:
name: macOS
runs-on: macos-latest
Expand All @@ -270,47 +28,16 @@ jobs:
steps:
- uses: actions/checkout@v4
with:
fetch-depth: 3
fetch-depth: 4
- name: Configure build
run: cmake -B build $GLFW_PARAMS ${{matrix.CMAKE_PARAMS}}
- name: Build
run: |
cmake --build build --parallel
strip -u -r build/src/libglfw.dylib
- name: Upload artifact
run: aws s3 cp build/src/libglfw.dylib s3://lwjgl-build/nightly/macosx/${{matrix.ARCH}}/ ${{env.S3_PARAMS}}
- name: Upload git revision
run: |
git log --first-parent --pretty=format:%H --skip 2 -n 1 > libglfw.dylib.git
aws s3 cp libglfw.dylib.git s3://lwjgl-build/nightly/macosx/${{matrix.ARCH}}/ ${{env.S3_PARAMS}}
windows:
name: Windows
runs-on: windows-latest
strategy:
matrix:
ARCH: [x86, x64, arm64]
include:
- ARCH: x86
PLATFORM: Win32
- ARCH: x64
PLATFORM: x64
- ARCH: arm64
PLATFORM: ARM64
defaults:
run:
shell: cmd
steps:
- uses: actions/checkout@v4
with:
fetch-depth: 3
- name: Configure build
run: cmake -B build -G "Visual Studio 17 2022" -T ClangCL -A ${{matrix.PLATFORM}} %GLFW_PARAMS% -DUSE_MSVC_RUNTIME_LIBRARY_DLL=OFF
- name: Build
run: cmake --build build --parallel --config Release
- name: Upload artifact
run: aws s3 cp build\src\Release\glfw3.dll s3://lwjgl-build/nightly/windows/${{matrix.ARCH}}/glfw.dll ${{env.S3_PARAMS}}
run: aws s3 cp build/src/libglfw.dylib s3://lwjgl-build/nightly/macosx/${{matrix.ARCH}}/libglfw_async.dylib ${{env.S3_PARAMS}}
- name: Upload git revision
run: |
git log --first-parent --pretty=format:%H --skip 2 -n 1 > revision.git
aws s3 cp revision.git s3://lwjgl-build/nightly/windows/${{matrix.ARCH}}/glfw.dll.git ${{env.S3_PARAMS}}
git log --first-parent --pretty=format:%H --skip 3 -n 1 > libglfw_async.dylib.git
aws s3 cp libglfw_async.dylib.git s3://lwjgl-build/nightly/macosx/${{matrix.ARCH}}/ ${{env.S3_PARAMS}}
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