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crates/loic-gui/Cargo.toml

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+# The Observatory: the calendar rendered on a GPU, with one observer thread
+# per logical CPU behind the picture. Not published — it is a binary, and it
+# goes out attached to a release beside the oracle.
+[package]
+name = "loic-gui"
+version.workspace = true
+edition = "2024"
+authors.workspace = true
+repository.workspace = true
+license-file.workspace = true
+description = "A temporal meditation interface for the Loic Calendar"
+publish = false
+
+# What the Observatory stands on. Each dependency is here for one stated
+# reason, and the reason is stated beside it.
+[dependencies]
+# The calendar, at the workspace's one version. Every observer thread and
+# the main thread's one observation per frame call into it, and nothing on
+# the screen is derived from anything else.
+loic.workspace = true
+
+# The GPU: surfaces, pipelines, buffers and shaders, through which every
+# pixel of the Observatory is drawn.
+wgpu = "30"
+# The window and its events, Wayland only. `winit`'s `x11` feature would
+# pull in `libX11`, `x11rb` and their kin as build dependencies, and so it
+# is not enabled: the Observatory links only against Wayland. X11 is not
+# where desktop Linux is going, and a project that refuses floating-point in
+# a timestamp is not going to make its first compromise for a display
+# server. `wayland-dlopen` loads the Wayland client library at run time
+# rather than at link time; `wayland-csd-adwaita` draws the window's own
+# decorations on compositors that decline to draw them; `rwh_06` is the
+# `raw-window-handle` 0.6 handle wgpu asks for when it makes a surface of
+# the window.
+winit = { version = "0.30", default-features = false, features = ["wayland", "wayland-dlopen", "wayland-csd-adwaita", "rwh_06"] }
+
+# `block_on` for the two asynchronous requests wgpu insists on — an adapter,
+# then a device — run to completion on the calling thread, without an async
+# runtime brought in to wait for two things.
+pollster = "1"
+
+# For `setpriority(2)`: the Observatory asks for nice -11 before it looses
+# its observers, and threads inherit the value at creation, so one call
+# before the spawn is one call for all of them.
+libc = "0.2"
+
+# `Pod` and `Zeroable`, derived, for the structures that cross to the GPU as
+# bare bytes: the derive proves at compile time that a structure has no
+# padding it would be undefined to read, which is the only kind of proof a
+# vertex deserves.
+bytemuck = { version = "1.25", features = ["derive"] }
+
+# Audio output, for the quantum hum. Audio synthesis is the one place in the
+# workspace where floating-point arithmetic is tolerated, on the grounds
+# that a loudspeaker is an analog device and nothing it renders was ever
+# exact to begin with.
+rodio = "0.22"
+
+# The binary target, named and placed explicitly rather than inferred.
+[[bin]]
+name = "loic-gui"
+path = "src/main.rs"