embed steam Half-Life data into the image itself

allows also adding hlsdk libs to the image
makes it easier to build, manage, and run

.gitignore

@@ -1,3 +1,4 @@
 render/work
 imagecompare
 rendertest.script
+container/Half-Life

container/Containerfile

@@ -0,0 +1,48 @@
+FROM ubuntu-hlsdk
+
+# Avoid interactive prompts during package installation
+ENV DEBIAN_FRONTEND=noninteractive
+
+USER root
+
+# Install Vulkan SDK repos
+RUN wget -qO- https://packages.lunarg.com/lunarg-signing-key-pub.asc | tee /etc/apt/trusted.gpg.d/lunarg.asc \
+	&& wget -qO /etc/apt/sources.list.d/lunarg-vulkan-noble.list http://packages.lunarg.com/vulkan/lunarg-vulkan-noble.list
+
+# Install system dependencies and development packages
+RUN apt-get update && apt-get install --no-install-recommends --no-install-suggests -y \
+    vulkan-sdk \
+    libsdl2-dev \
+    libfreetype-dev \
+    \
+    # FFmpeg development packages
+    libavcodec-dev \
+    libavformat-dev \
+    libavutil-dev \
+    libavfilter-dev \
+    libavdevice-dev \
+    libswscale-dev \
+    libswresample-dev \
+    libpostproc-dev \
+    ffmpeg \
+    \
+    # Running render tests
+    weston \
+    libgl1-mesa-dri \
+    mesa-vulkan-drivers \
+    libvulkan1 \
+    imagemagick
+
+# Remove extra cache after all the installations
+RUN rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /build
+COPY build-and-test.sh /build/
+
+# Switch to non-root user
+USER ubuntu
+
+# Default command
+WORKDIR /build
+CMD ["/build/build-and-test.sh"]

container/Containerfile.hlsdk

@@ -0,0 +1,48 @@
+FROM ubuntu:24.04
+
+# This cannot reference external dirs, unfortunately
+ARG HALFLIFE_STEAM_FILES=./Half-Life
+
+# Copy HL data files
+RUN mkdir -p /opt/hl && chown ubuntu:ubuntu /opt/hl
+COPY --chown=ubuntu:ubuntu ${HALFLIFE_STEAM_FILES}/valve /opt/hl/valve
+COPY --chown=ubuntu:ubuntu ${HALFLIFE_STEAM_FILES}/valve_hd /opt/hl/valve_hd
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install generic build dependencies
+RUN apt-get update && apt-get install --no-install-recommends --no-install-suggests -y \
+    \
+    # Build essential utilities
+    ca-certificates \
+    wget \
+    build-essential \
+    pkg-config \
+    python3 \
+    git
+
+# Build FWGS hlsdk game libs
+ARG FWGS_HLSDK_REF=ae84bfc0c3598fcff605a7b3bb963abe8ec3e295
+RUN mkdir -p /build && chown ubuntu:ubuntu /build
+USER ubuntu
+RUN cd /build && \
+    git version && \
+    # git > 2.49: git clone --depth 1 --revision ${FWGS_HLSDK_REF} https://github.com/FWGS/hlsdk-portable && \
+    mkdir -p hlsdk-portable && \
+    cd hlsdk-portable && \
+    git init && \
+    git remote add origin https://github.com/FWGS/hlsdk-portable && \
+    git fetch --depth 1 origin ${FWGS_HLSDK_REF} && \
+    git checkout FETCH_HEAD && \
+    ./waf \
+        configure -8 -T release \
+        build \
+        install --destdir=/opt/hl
+
+# Cleanup build files
+RUN rm -rf /build/hlsdk-portable
+
+# At this point there's:
+# /opt/hl with
+#   ./valve
+#       {dlls, cl_dlls} with fwgs/hlsdk libs

container/build-and-test.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+set -eux
+
+echo DESTINATION_IS_WRITABLE > /opt/hl/testfile
+
+XDG_RUNTIME_DIR=/tmp weston \
+	--backend=headless \
+	--renderer=gl \
+	--width=1280 \
+	--height=800 \
+	--socket=wayland-headless &
+
+build() {
+	pushd /build/xash3d-fwgs
+	./waf configure -T release -8 \
+		build \
+		install --destdir=/opt/hl
+	popd
+}
+
+rendertest() {
+	pushd /build/HLRTest/render
+	WAYLAND_DISPLAY=/tmp/wayland-headless ./rendertest.py --xash-dir /opt/hl run
+	popd
+}
+
+time build
+time rendertest

container/env.example

@@ -0,0 +1,5 @@
+# Path to https://rtxash.omgwtf.ru/Half-Life-RTX/Half-Life-PBR repo clone (readonly)
+HALFLIFE_PBR_REPO_DIR=${HOME}/src/Half-Life-PBR
+
+# Path to https://github.com/w23/xash3d-fwgs/ clone (readonly)
+XASH3D_RT_REPO_DIR=${HOME}/src/xash3d-fwgs

container/run.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+set -eux
+
+NAME=xash-builder
+
+HLRTEST_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")"/.. && pwd)"
+
+source .env
+
+build-image-hlsdk() {
+	podman build -t ubuntu-hlsdk -f Containerfile.hlsdk
+}
+
+build-image() {
+	podman build -t ubuntu-xash-builder -f Containerfile
+}
+
+build() {
+	build-image-hlsdk
+	build-image
+}
+
+render-test() {
+	OUTPUT="${HLRTEST_PATH}/render/work"
+	# Make sure the image ubuntu user can write to the output
+	chmod -R o+rw "${OUTPUT}"
+
+	podman run -it --rm \
+		--name ${NAME} \
+		--userns=keep-id:uid=1000,gid=1000 \
+		\
+		--cap-drop=ALL \
+		--security-opt=no-new-privileges \
+		--read-only \
+		--tmpfs /tmp \
+		\
+		-v /dev/dri/renderD128:/dev/dri/renderD128:ro \
+		\
+		-v /opt/hl \
+		-v ${HALFLIFE_PBR_REPO_DIR}/valve/pbr:/opt/hl/valve/pbr:ro \
+		\
+		-v ${XASH3D_RT_REPO_DIR}:/build/xash3d-fwgs:O \
+		\
+		-v ${HLRTEST_PATH}:/build/HLRTest:ro \
+		-v ${OUTPUT}:/build/HLRTest/render/work \
+		\
+		ubuntu-xash-builder:latest \
+		"$@"
+}
+
+shell() {
+	podman exec -it ${NAME} /bin/bash
+}
+
+time "$@"