criterion benchmark stub

Cargo.toml

@@ -22,18 +22,3 @@ log = "0.4"
 glam = "0.24.2"
 winit = { version = "0.27" }
 wgpu = { version = "0.17" }
-
-# Enable incremental by default in release mode.
-[profile.release]
-incremental = true
-# HACK(eddyb) this is the default but without explicitly specifying it, Cargo
-# will treat the identical settings in `[profile.release.build-override]` below
-# as different sets of `rustc` flags and will not reuse artifacts between them.
-codegen-units = 256
-
-# Compile build-dependencies in release mode with the same settings
-# as regular dependencies (including the incremental enabled above).
-[profile.release.build-override]
-opt-level = 3
-incremental = true
-codegen-units = 256

crates/renderling/Cargo.toml

@@ -43,9 +43,14 @@ wgpu = { workspace = true, features = ["spirv"] }
 features = ["gltf", "text", "raw-window-handle", "winit"]
 
 [dev-dependencies]
+criterion = "0.4"
 ctor = "0.2.2"
 env_logger = "0.10.0"
 icosahedron = "0.1"
 img-diff = { path = "../img-diff" }
 naga = { version = "0.13", features = ["spv-in", "wgsl-out", "wgsl-in", "msl-out"] }
 pretty_assertions = "1.4.0"
+
+[[bench]]
+name = "benchmarks"
+harness = false

crates/renderling/benches/benchmarks.rs

@@ -0,0 +1,8 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+
+fn renderling_benchmark(c: &mut Criterion) {
+    c.bench_function("renderling_stub", |b| b.iter(|| black_box(1 + 1)));
+}
+
+criterion_group!(benches, renderling_benchmark);
+criterion_main!(benches);