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feat: buffer setter methods are now lazy

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This commit is contained in:
Hojjat 2026-02-25 23:14:56 -07:00 • committed by Jeremy Soller
parent e5926aec74
commit 626f44dad8
14 changed files with 388 additions and 240 deletions
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6
benches/layout.rs
View file

@ -10,7 +10,7 @@ fn load_font_system(c: &mut Criterion) {
fn layout(c: &mut Criterion) {
let mut fs = ct::FontSystem::new();
let mut buffer = ct::Buffer::new(&mut fs, ct::Metrics::new(10.0, 10.0));
buffer.set_size(&mut fs, Some(80.0), None);
buffer.set_size(Some(80.0), None);
for (wrap_name, wrap) in &[
("None", ct::Wrap::None),
@ -22,11 +22,11 @@ fn layout(c: &mut Criterion) {
("Advanced", ct::Shaping::Advanced),
] {
let mut group = c.benchmark_group(format!("Wrap({wrap_name}, {shape_name})"));
buffer.set_wrap(&mut fs, *wrap);
buffer.set_wrap(*wrap);
let mut run_on_text = |text: &str| {
buffer.lines.clear();
buffer.set_text(&mut fs, text, &ct::Attrs::new(), *shape, None);
buffer.set_text(text, &ct::Attrs::new(), *shape, None);
buffer.shape_until_scroll(&mut fs, false);
};

15
benches/text_shaping_benchmarks.rs
View file

@ -5,14 +5,13 @@ use criterion::{black_box, criterion_group, criterion_main, Criterion};
fn bench_ascii_fast_path(c: &mut Criterion) {
let mut fs = ct::FontSystem::new();
let mut buffer = ct::Buffer::new(&mut fs, ct::Metrics::new(14.0, 20.0));
buffer.set_size(&mut fs, Some(500.0), None);
buffer.set_size(Some(500.0), None);
let ascii_text = "Pure ASCII text for BidiParagraphs optimization testing.\n".repeat(50);
c.bench_function("ShapeLine/ASCII Fast Path", |b| {
b.iter(|| {
buffer.set_text(
&mut fs,
black_box(&ascii_text),
&ct::Attrs::new(),
ct::Shaping::Advanced,
@ -26,14 +25,13 @@ fn bench_ascii_fast_path(c: &mut Criterion) {
fn bench_bidi_processing(c: &mut Criterion) {
let mut fs = ct::FontSystem::new();
let mut buffer = ct::Buffer::new(&mut fs, ct::Metrics::new(14.0, 20.0));
buffer.set_size(&mut fs, Some(500.0), None);
buffer.set_size(Some(500.0), None);
let bidi_text = "Mixed English and العربية النص العربي text for BiDi testing.\nThis tests adjust_levels and combined BiDi optimizations.\n".repeat(30);
c.bench_function("ShapeLine/BiDi Processing", |b| {
b.iter(|| {
buffer.set_text(
&mut fs,
black_box(&bidi_text),
&ct::Attrs::new(),
ct::Shaping::Advanced,
@ -47,7 +45,7 @@ fn bench_bidi_processing(c: &mut Criterion) {
fn bench_lang_mixed(c: &mut Criterion) {
let mut fs = ct::FontSystem::new();
let mut buffer = ct::Buffer::new(&mut fs, ct::Metrics::new(14.0, 20.0));
buffer.set_size(&mut fs, Some(500.0), None);
buffer.set_size(Some(500.0), None);
let bidi_text = include_str!("../sample/hello.txt");
@ -56,7 +54,6 @@ fn bench_lang_mixed(c: &mut Criterion) {
.bench_function("ShapeLine/Mixed-Language Text", |b| {
b.iter(|| {
buffer.set_text(
&mut fs,
black_box(&bidi_text),
&ct::Attrs::new(),
ct::Shaping::Advanced,
@ -70,14 +67,13 @@ fn bench_lang_mixed(c: &mut Criterion) {
fn bench_layout_heavy(c: &mut Criterion) {
let mut fs = ct::FontSystem::new();
let mut buffer = ct::Buffer::new(&mut fs, ct::Metrics::new(14.0, 20.0));
buffer.set_size(&mut fs, Some(500.0), None);
buffer.set_size(Some(500.0), None);
let layout_text = "This is a very long line that will wrap multiple times and stress the reorder optimization through intensive layout processing with comprehensive buffer reuse testing. ".repeat(30);
c.bench_function("ShapeLine/Layout Heavy", |b| {
b.iter(|| {
buffer.set_text(
&mut fs,
black_box(&layout_text),
&ct::Attrs::new(),
ct::Shaping::Advanced,
@ -91,7 +87,7 @@ fn bench_layout_heavy(c: &mut Criterion) {
fn bench_combined_stress(c: &mut Criterion) {
let mut fs = ct::FontSystem::new();
let mut buffer = ct::Buffer::new(&mut fs, ct::Metrics::new(14.0, 20.0));
buffer.set_size(&mut fs, Some(500.0), None);
buffer.set_size(Some(500.0), None);
let stress_text = format!("{}\n{}\n{}\n{}\n",
"ASCII line for BidiParagraphs optimization. ".repeat(15),
@ -103,7 +99,6 @@ fn bench_combined_stress(c: &mut Criterion) {
c.bench_function("ShapeLine/Combined Stress", |b| {
b.iter(|| {
buffer.set_text(
&mut fs,
black_box(&stress_text),
&ct::Attrs::new(),
ct::Shaping::Advanced,