vyre 0.4.0

GPU compute intermediate representation with a standard operation library
Documentation 
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use super::LowerCtx;
use std::fmt;

impl LowerCtx<'_> {
    #[inline]
    pub(crate) fn write_pad(&self, out: &mut impl fmt::Write) -> fmt::Result {
        write_indent(out, self.indent)
    }

    /// Map an IR variable name to a safe WGSL identifier.
    ///
    /// WGSL reserves identifiers starting with `__` and several keywords
    /// (`active`, `target`, `texture`, `sampler`, etc.). Instead of
    /// maintaining an ever-growing deny-list, every IR variable name is
    /// prefixed with `_v_` at the emission boundary. IR authors can use
    /// any name they want — this method guarantees a legal WGSL identifier.
    pub(super) fn safe_var(name: &str) -> String {
        format!("_v_{name}")
    }
}

#[inline]
pub(crate) fn write_indent(out: &mut impl fmt::Write, indent: usize) -> fmt::Result {
    for _ in 0..indent {
        out.write_str("  ")?;
    }
    Ok(())
}