oden/third-party/vendor/tracy-client/src/plot.rs
2024-03-08 11:03:01 -08:00

53 lines
1.5 KiB
Rust

use crate::Client;
/// Name of a plot.
///
/// Create with the [`plot_name!`](crate::plot_name) macro.
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
pub struct PlotName(pub(crate) &'static str);
/// Instrumentation for drawing 2D plots.
impl Client {
/// Add a point with an y-axis value of `value` to the plot named `plot_name`.
///
/// # Examples
///
/// ```
/// # let client = tracy_client::Client::start();
/// tracy_client::Client::running()
/// .expect("client must be running")
/// .plot(tracy_client::plot_name!("temperature"), 37.0);
/// ```
pub fn plot(&self, plot_name: PlotName, value: f64) {
#[cfg(feature = "enable")]
unsafe {
// SAFE: We made sure the `plot` refers to a null-terminated string.
sys::___tracy_emit_plot(plot_name.0.as_ptr().cast(), value);
}
}
}
/// Construct a [`PlotName`].
///
/// The resulting value may be used as an argument for the [`Client::plot`] method. The macro can
/// be used in a `const` context.
#[macro_export]
macro_rules! plot_name {
($name: expr) => {
unsafe { $crate::internal::create_plot(concat!($name, "\0")) }
};
}
/// Convenience macro for [`Client::plot`] on the current client.
///
/// # Panics
///
/// - If a `Client` isn't currently running.
#[macro_export]
macro_rules! plot {
($name: expr, $value: expr) => {{
$crate::Client::running()
.expect("plot! without a running Client")
.plot($crate::plot_name!($name), $value)
}};
}