Fix compilation with Rust 1.76.

vello/src/debug/renderer.rs

@@ -1,6 +1,10 @@
 // Copyright 2023 the Vello Authors
 // SPDX-License-Identifier: Apache-2.0 OR MIT
 
+// size_of is not part of the prelude until Rust 1.80 and our MSRV is below that
+#[allow(unused_imports)]
+use core::mem::size_of;
+
 use super::DebugLayers;
 use crate::{
     debug::validate::{validate_line_soup, LineEndpoint},

vello/src/lib.rs

@@ -113,6 +113,10 @@
     clippy::match_same_arms
 )]
 
+// size_of is not part of the prelude until Rust 1.80 and our MSRV is below that
+#[allow(unused_imports)]
+use core::mem::size_of;
+
 mod debug;
 mod recording;
 mod render;

vello/src/render.rs

@@ -3,6 +3,10 @@
 
 //! Take an encoded scene and create a graph to render it
 
+// size_of is not part of the prelude until Rust 1.80 and our MSRV is below that
+#[allow(unused_imports)]
+use core::mem::size_of;
+
 use crate::recording::{BufferProxy, ImageFormat, ImageProxy, Recording, ResourceProxy};
 use crate::shaders::FullShaders;
 use crate::{AaConfig, RenderParams};

vello_encoding/src/config.rs

@@ -1,6 +1,10 @@
 // Copyright 2023 the Vello Authors
 // SPDX-License-Identifier: Apache-2.0 OR MIT
 
+// size_of is not part of the prelude until Rust 1.80 and our MSRV is below that
+#[allow(unused_imports)]
+use core::mem::size_of;
+
 use crate::SegmentCount;
 
 use super::{

vello_encoding/src/path.rs

@@ -1,6 +1,10 @@
 // Copyright 2022 the Vello Authors
 // SPDX-License-Identifier: Apache-2.0 OR MIT
 
+// size_of is not part of the prelude until Rust 1.80 and our MSRV is below that
+#[allow(unused_imports)]
+use core::mem::size_of;
+
 use bytemuck::{Pod, Zeroable};
 use peniko::kurbo::{Cap, Join, Shape, Stroke};
 use peniko::Fill;

vello_encoding/src/resolve.rs

@@ -1,6 +1,10 @@
 // Copyright 2022 the Vello Authors
 // SPDX-License-Identifier: Apache-2.0 OR MIT
 
+// size_of is not part of the prelude until Rust 1.80 and our MSRV is below that
+#[allow(unused_imports)]
+use core::mem::size_of;
+
 use bytemuck::{Pod, Zeroable};
 
 use super::{DrawTag, Encoding, PathTag, StreamOffsets, Style, Transform};

vello_shaders/src/cpu/flatten.rs

@@ -1,6 +1,10 @@
 // Copyright 2023 the Vello Authors
 // SPDX-License-Identifier: Apache-2.0 OR MIT OR Unlicense
 
+// size_of is not part of the prelude until Rust 1.80 and our MSRV is below that
+#[allow(unused_imports)]
+use core::mem::size_of;
+
 use std::f32::consts::FRAC_1_SQRT_2;
 
 use super::{