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droiddeck-gpu runs a program in a gamescope of its own on the app's compositor (wayland-0), full screen over the desktop - the path the rail's play chips use, where Vulkan works. droiddeck-desktop-gpu gives every Game/Emulator menu entry a per-user copy through it (auto: while the desktop is on pixman), keeping 'Run in a desktop window' as an action. droiddeck-desktop loads /usr/local/lib/droiddeck-wlroots for the vulkan/gles2 renderers and falls back to pixman when labwc stops at start. The build stages the wlroots release named by tools/wlroots/release.env, once published.
33 lines
1.5 KiB
Bash
33 lines
1.5 KiB
Bash
#!/bin/bash
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# Runs a program from the desktop on the GPU: in a gamescope of its own that draws straight into
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# the app's compositor (wayland-0), not inside labwc. The desktop is composited by pixman, and
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# pixman gives its windows no DMA-BUFs - a Vulkan program there fails at its swapchain
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# (VK_ERROR_SURFACE_LOST, RPCS3's error). Here it gets the same path as a program started from the
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# app's rail: full screen over the desktop until it exits, then the desktop is back.
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# droiddeck-gpu <program> [args...]
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set -u
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[ $# -gt 0 ] || { echo "usage: droiddeck-gpu <program> [args...]" >&2; exit 64; }
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if [ -n "${BL_DEBUG_DIR:-}" ]; then
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exec >>"$BL_DEBUG_DIR/desktop.log" 2>&1
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fi
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width=${BL_WIDTH:-1280}
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height=${BL_HEIGHT:-720}
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args=(--backend wayland --expose-wayland -f -W "$width" -H "$height" -w "$width" -h "$height")
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if [ "${BL_FPS:-0}" -gt 0 ]; then
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args+=(-r "$BL_FPS")
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elif [ "${BL_REFRESH:-0}" -gt 0 ]; then
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args+=(-r "$BL_REFRESH")
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fi
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[ "${BL_HDR:-0}" = 1 ] && args+=(--hdr-enabled)
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echo "== droiddeck-gpu $(date -u +%H:%M:%S): $* (gamescope ${width}x${height} on wayland-0)"
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# gamescope is a client of the app's compositor, beside labwc; the program inside it reaches it
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# through gamescope's own Xwayland, as in a Steam session.
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export WAYLAND_DISPLAY=wayland-0
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export GDK_BACKEND=x11 QT_QPA_PLATFORM=xcb SDL_VIDEODRIVER=x11
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# AppImages cannot mount under proot; the menu entries already say so, a hand-typed one may not.
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export APPIMAGE_EXTRACT_AND_RUN=1
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gamescope "${args[@]}" -- "$@"
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rc=$?
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echo "== droiddeck-gpu $(date -u +%H:%M:%S): exited $rc"
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exit $rc
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