build(linux): add ubuntu 26.04 support

docker/ubuntu-26.04.dockerfile

@@ -0,0 +1,133 @@
+# syntax=docker/dockerfile:1
+# artifacts: true
+# platforms: linux/amd64,linux/arm64/v8
+# platforms_pr: linux/amd64
+# no-cache-filters: sunshine-base,artifacts,sunshine
+ARG BASE=ubuntu
+ARG TAG=26.04
+FROM ${BASE}:${TAG} AS sunshine-base
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+FROM sunshine-base AS sunshine-deps
+
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+
+# Copy only the build script first for better layer caching
+WORKDIR /build/sunshine/
+COPY --link scripts/linux_build.sh ./scripts/linux_build.sh
+
+# Install dependencies first - this layer will be cached
+RUN <<_DEPS
+#!/bin/bash
+set -e
+chmod +x ./scripts/linux_build.sh
+./scripts/linux_build.sh \
+  --step=deps \
+  --sudo-off
+apt-get clean
+rm -rf /var/lib/apt/lists/*
+_DEPS
+
+FROM sunshine-deps AS sunshine-build
+
+ARG BRANCH
+ARG BUILD_VERSION
+ARG COMMIT
+# note: BUILD_VERSION may be blank
+
+ENV BRANCH=${BRANCH}
+ENV BUILD_VERSION=${BUILD_VERSION}
+ENV COMMIT=${COMMIT}
+
+# Now copy the full repository
+COPY --link .. .
+
+# Configure, validate, build and package
+RUN <<_BUILD
+#!/bin/bash
+set -e
+./scripts/linux_build.sh \
+  --step=cmake \
+  --publisher-name='LizardByte' \
+  --publisher-website='https://app.lizardbyte.dev' \
+  --publisher-issue-url='https://app.lizardbyte.dev/support' \
+  --sudo-off
+
+./scripts/linux_build.sh \
+  --step=validation \
+  --sudo-off
+
+./scripts/linux_build.sh \
+  --step=build \
+  --sudo-off
+
+./scripts/linux_build.sh \
+  --step=package \
+  --sudo-off
+_BUILD
+
+# run tests
+WORKDIR /build/sunshine/build/tests
+RUN <<_TEST
+#!/bin/bash
+set -e
+export DISPLAY=:1
+Xvfb ${DISPLAY} -screen 0 1024x768x24 &
+./test_sunshine --gtest_color=yes
+_TEST
+
+FROM sunshine-base AS sunshine
+
+ARG BASE
+ARG TAG
+ARG TARGETARCH
+
+# artifacts to be extracted in CI
+COPY --link --from=sunshine-build /build/sunshine/build/cpack_artifacts/Sunshine.deb /artifacts/sunshine-${BASE}-${TAG}-${TARGETARCH}.deb
+
+# copy deb from builder
+COPY --link --from=sunshine-build /build/sunshine/build/cpack_artifacts/Sunshine.deb /sunshine.deb
+
+# install sunshine
+RUN <<_INSTALL_SUNSHINE
+#!/bin/bash
+set -e
+apt-get update -y
+apt-get install -y --no-install-recommends /sunshine.deb
+apt-get clean
+rm -rf /var/lib/apt/lists/*
+_INSTALL_SUNSHINE
+
+# network setup
+EXPOSE 47984-47990/tcp
+EXPOSE 48010
+EXPOSE 47998-48000/udp
+
+# setup user
+ARG PGID=1001
+ENV PGID=${PGID}
+ARG PUID=1001
+ENV PUID=${PUID}
+ENV TZ="UTC"
+ARG UNAME=lizard
+ENV UNAME=${UNAME}
+
+ENV HOME=/home/$UNAME
+
+# setup user
+RUN <<_SETUP_USER
+#!/bin/bash
+set -e
+groupadd -f -g "${PGID}" "${UNAME}"
+useradd -lm -d ${HOME} -s /bin/bash -g "${PGID}" -u "${PUID}" "${UNAME}"
+mkdir -p ${HOME}/.config/sunshine
+ln -s ${HOME}/.config/sunshine /config
+chown -R ${UNAME} ${HOME}
+_SETUP_USER
+
+USER ${UNAME}
+WORKDIR ${HOME}
+
+# entrypoint
+ENTRYPOINT ["/usr/bin/sunshine"]

docs/building.md

@@ -69,7 +69,7 @@ Sunshine requires CUDA Toolkit for NVFBC capture. There are two caveats to CUDA:
 
 1. The version installed depends on the version of GCC.
 2. The version of CUDA you use will determine compatibility with various GPU generations.
-   At the time of writing, the recommended version to use is CUDA ~12.9.
+   At the time of writing, the recommended version to use is CUDA ~13.1.
    See [CUDA compatibility](https://docs.nvidia.com/deploy/cuda-compatibility/index.html) for more info.
 
 > [!NOTE]

docs/getting_started.md

@@ -68,8 +68,8 @@ CUDA is used for NVFBC capture.
         <th>Package</th>
     </tr>
     <tr>
-        <td rowspan="8">12.9.1</td>
-        <td rowspan="8">575.57.08</td>
+        <td rowspan="8">13.1.1</td>
+        <td rowspan="8">590.48.01</td>
         <td rowspan="8">50;52;60;61;62;70;72;75;80;86;87;89;90;100;101;103;120;121</td>
         <td>sunshine.AppImage</td>
     </tr>

scripts/linux_build.sh

@@ -7,9 +7,13 @@ target_cmake_version="3.30.1"
 doxygen_min="1.10.0"
 _doxygen_min="${doxygen_min//\./_}"  # Convert dots to underscores for URL
 doxygen_max="1.12.0"
+default_cuda_version="13.1.1"
+default_cuda_build="590.48.01"
 
 # Default value for arguments
 appimage_build=0
+cuda_version="$default_cuda_version"
+cuda_build="$default_cuda_build"
 cuda_patches=0
 num_processors=$(nproc)
 publisher_name="Third Party Publisher"
@@ -229,6 +233,7 @@ function add_debian_based_deps() {
     "g++-${gcc_version}"
     "git"
     "graphviz"
+    "libayatana-appindicator3-dev"
     "libcap-dev"  # KMS
     "libcurl4-openssl-dev"
     "libdrm-dev"  # KMS
@@ -283,7 +288,6 @@ function add_debian_deps() {
   add_test_ppa
   add_debian_based_deps
   dependencies+=(
-    "libayatana-appindicator3-dev"
     "systemd-dev"
   )
   return 0
@@ -293,8 +297,14 @@ function add_ubuntu_deps() {
   add_test_ppa
   add_debian_based_deps
   dependencies+=(
-    "libappindicator3-dev"
+    "libxml2-dev"
   )
+
+  if [[ "$(printf '%s\n' "$version" "24.04" | sort -V | head -n1)" == "24.04" ]]; then
+    dependencies+=(
+      "systemd-dev"
+    )
+  fi
   return 0
 }
 
@@ -722,44 +732,34 @@ elif grep -q "Debian GNU/Linux 12 (bookworm)" /etc/os-release; then
   version="12"
   package_update_command="${sudo_cmd} apt-get update"
   package_install_command="${sudo_cmd} apt-get install -y"
-  cuda_version="12.9.1"
-  cuda_build="575.57.08"
   gcc_version="13"
   nvm_node=0
 elif grep -q "Debian GNU/Linux 13 (trixie)" /etc/os-release; then
   distro="debian"
   version="13"
   package_update_command="${sudo_cmd} apt-get update"
   package_install_command="${sudo_cmd} apt-get install -y"
-  cuda_version="12.9.1"
-  cuda_build="575.57.08"
   gcc_version="14"
   nvm_node=0
 elif grep -q "PLATFORM_ID=\"platform:f42\"" /etc/os-release; then
   distro="fedora"
   version="42"
   package_update_command="${sudo_cmd} dnf update -y"
   package_install_command="${sudo_cmd} dnf install -y"
-  cuda_version="12.9.1"
-  cuda_build="575.57.08"
   gcc_version="14"
   nvm_node=0
 elif grep -q '^ID=fedora$' /etc/os-release && grep -q '^VERSION_ID=43$' /etc/os-release; then
   distro="fedora"
   version="43"
   package_update_command="${sudo_cmd} dnf update -y"
   package_install_command="${sudo_cmd} dnf install -y"
-  cuda_version="12.9.1"
-  cuda_build="575.57.08"
   gcc_version="14"
   nvm_node=0
 elif grep -q '^ID=fedora$' /etc/os-release && grep -q '^VERSION_ID=44$' /etc/os-release; then
   distro="fedora"
   version="44"
   package_update_command="${sudo_cmd} dnf update -y"
   package_install_command="${sudo_cmd} dnf install -y"
-  cuda_version="12.9.1"
-  cuda_build="575.57.08"
   gcc_version="14"
   nvm_node=0
 elif grep -q '^ID=fedora$' /etc/os-release && grep -q '^VERSION_ID=45$' /etc/os-release; then
@@ -776,35 +776,34 @@ elif grep -q "Ubuntu 22.04" /etc/os-release; then
   version="22.04"
   package_update_command="${sudo_cmd} apt-get update"
   package_install_command="${sudo_cmd} apt-get install -y"
-  cuda_version="12.9.1"
-  cuda_build="575.57.08"
   gcc_version="14"
   nvm_node=1
 elif grep -q "Ubuntu 24.04" /etc/os-release; then
   distro="ubuntu"
   version="24.04"
   package_update_command="${sudo_cmd} apt-get update"
   package_install_command="${sudo_cmd} apt-get install -y"
-  cuda_version="12.9.1"
-  cuda_build="575.57.08"
   gcc_version="14"
   nvm_node=1
 elif grep -q "Ubuntu 25.04" /etc/os-release; then
   distro="ubuntu"
   version="25.04"
   package_update_command="${sudo_cmd} apt-get update"
   package_install_command="${sudo_cmd} apt-get install -y"
-  cuda_version="12.9.1"
-  cuda_build="575.57.08"
   gcc_version="14"
   nvm_node=0
 elif grep -q "Ubuntu 25.10" /etc/os-release; then
   distro="ubuntu"
   version="25.10"
   package_update_command="${sudo_cmd} apt-get update"
   package_install_command="${sudo_cmd} apt-get install -y"
-  cuda_version="12.9.1"
-  cuda_build="575.57.08"
+  gcc_version="14"
+  nvm_node=0
+elif grep -q 'VERSION_ID="26.04"' /etc/os-release; then
+  distro="ubuntu"
+  version="26.04"
+  package_update_command="${sudo_cmd} apt-get update"
+  package_install_command="${sudo_cmd} apt-get install -y"
   gcc_version="14"
   nvm_node=0
 else