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Until now the patched gamescope reached exactly four kinds of box: the Bazzite/Fedora-Atomic sysext, the Arch package, the SteamOS installer and a NixOS option. Everyone else was told to build gamescope from source. A traditional Fedora-family box — Nobara, plain Fedora, the HTPCs people actually stream from — therefore ran stock gamescope by default, which streams SDR, cursorless, and tells every game its display is 60 Hz. That is not a user error; there was no package to install. Both new packages REPACK the binary CI already builds rather than building gamescope again: it is a ~10-minute meson compile of an unrelated tree, cached per distro base because the binary is soname-coupled to it. The Arch PKGBUILD stays the one recipe that builds from source, because that is what makepkg is for. - packaging/gamescope/punktfunk-gamescope.spec + build-gamescope-rpm.sh. Version is derived from the binary's own banner (3.16.25.pfhdr4) — the only source that cannot drift from what is in the package. rpmbuild's automatic ELF Requires are what stop an f43 build installing on f44. - packaging/debian/build-gamescope-deb.sh, same shape, with dpkg-shlibdeps for Depends. - rpm.yml packages and publishes it beside the host RPMs; deb.yml gains a cached gamescope build (keyed on packaging/gamescope/** alone) and packages it into the existing publish loop. Both legs are best-effort, matching the sysext's existing rule: no binary, no package, and the host stays on its current SDR path. Neither package Provides or Conflicts with gamescope — it installs as /usr/bin/punktfunk-gamescope and only the sessions the host starts itself resolve it, so a box's own Game Mode keeps using the distro binary. Both refuse to package a binary without the +pfhdr marker. That marker is the host's entire capability probe, so a build that lost the patches would install fine and then silently stream SDR with no cursor. Verified: build-gamescope-deb.sh produces an installable .deb from a stand-in binary (correct version derived from the banner, 0755 tree, control fields) and exits 1 on an unmarked one. The .spec is not yet exercised — no rpm tooling on the box I had; CI's Fedora leg is its first run.
79 lines
3.8 KiB
RPMSpec
79 lines
3.8 KiB
RPMSpec
# punktfunk-gamescope — gamescope carrying punktfunk's capture patches, installed under its own
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# name so it sits BESIDE the distro's gamescope (Game Mode keeps using that one).
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#
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# This spec REPACKS a binary that was already built, rather than building gamescope itself: the
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# build is a ~10-minute meson compile of an unrelated tree that CI already does once per Fedora
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# major and caches (.gitea/workflows/rpm.yml). Rebuilding it inside rpmbuild would double that for
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# no gain, and would need network access in the build root to fetch the upstream tree.
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#
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# The counterpart for Arch is packaging/gamescope/PKGBUILD, which DOES build from source, because
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# makepkg fetches sources by design and the AUR-style recipe is what an Arch user expects.
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#
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# Usage: bash packaging/gamescope/build-gamescope-rpm.sh --binary <path-to-punktfunk-gamescope>
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Name: punktfunk-gamescope
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Version: %{pf_version}
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Release: %{pf_release}%{?dist}
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Summary: gamescope with punktfunk's PipeWire capture patches (HDR, cursor, overlay, virtual-display modes)
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# gamescope is BSD-2-Clause; our patches are contributed under the same terms.
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License: BSD-2-Clause
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URL: https://git.unom.io/unom/punktfunk
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Source0: punktfunk-gamescope
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# Not `Provides: gamescope` and not `Conflicts:` either — this ships a differently-named binary and
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# is designed to coexist. A box's Game Mode session keeps running the distro's gamescope; only the
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# sessions punktfunk-host starts itself resolve this one (PUNKTFUNK_GAMESCOPE_BIN >
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# punktfunk-gamescope > gamescope).
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#
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# The runtime library Requires are auto-generated by rpmbuild from the binary's ELF NEEDED entries,
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# which is exactly right here: this binary is soname-coupled to the Fedora major it was compiled
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# on, and the generated Requires are what stop it installing on the wrong one.
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Recommends: punktfunk-host
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# Nothing is compiled here, so there is no debuginfo to extract; without this rpmbuild fails
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# looking for sources it was never given.
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%global debug_package %{nil}
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%description
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gamescope built from the upstream revision punktfunk pins, plus the patches in
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packaging/gamescope/patches:
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* 10-bit BT.2020/PQ capture formats on the PipeWire node, so an HDR game reaches a capture
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consumer as HDR instead of pre-tonemapped SDR.
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* --pipewire-composite-cursor: paint the pointer into the capture stream, so a consumer with no
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cursor of its own gets one — and the host stops blending one in, which frees the encoder's
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fastest zero-copy source.
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* A headless session advertises its real mode and refresh rates (and --custom-refresh-rates), so
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Steam and games see the resolution and refresh the stream actually runs at instead of an
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unnamed 60 Hz panel.
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* --pipewire-composite-external-overlay: paint the mangoapp performance overlay into the capture
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stream, so the fps/stats readout is visible to someone watching remotely.
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Installed as /usr/bin/punktfunk-gamescope. Your system gamescope is untouched.
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%prep
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# Nothing to unpack: Source0 IS the binary.
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%build
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# Nothing to build — see the header.
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%install
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install -Dm0755 %{SOURCE0} %{buildroot}%{_bindir}/punktfunk-gamescope
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%check
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# The marker is the host's entire capability probe (`gamescope_patch_level()`): a binary that lost
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# the patches would install fine and then silently stream SDR with no cursor. Refuse to package it.
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#
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# Executed in the build root, which is the same container the binary was compiled in — if that ever
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# stops being true this check is the thing that notices.
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%{buildroot}%{_bindir}/punktfunk-gamescope --version 2>&1 | grep -q '+pfhdr' || {
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echo "punktfunk-gamescope: the +pfhdr marker is missing — the patches did not take" >&2
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exit 1
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}
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%files
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%{_bindir}/punktfunk-gamescope
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%changelog
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# Generated per build; see the git history for the patch set's own changes.
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