gpui: make build dependencies mac only
This removes bindgen and cbindgen from the dependency graph on non-macos systems, improving compile times on those systems. Signed-off-by: Niklas Wimmer <mail@nwimmer.me>
This commit is contained in:
Niklas Wimmer
Piotr Osiewicz
parent
50ab60b9f0
commit
97f1d61a4a
2 changed files with 183 additions and 172 deletions
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@ -78,7 +78,7 @@ backtrace = "0.3"
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collections = { workspace = true, features = ["test-support"] }
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util = { workspace = true, features = ["test-support"] }
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[build-dependencies]
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[target.'cfg(target_os = "macos")'.build-dependencies]
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bindgen = "0.65.1"
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cbindgen = "0.26.0"
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@ -1,186 +1,197 @@
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#![cfg_attr(any(not(target_os = "macos"), feature = "macos-blade"), allow(unused))]
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use std::{
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env,
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path::{Path, PathBuf},
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};
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use cbindgen::Config;
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//TODO: consider generating shader code for WGSL
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//TODO: deprecate "runtime-shaders" and "macos-blade"
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fn main() {
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#[cfg(target_os = "macos")]
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generate_dispatch_bindings();
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#[cfg(all(target_os = "macos", not(feature = "macos-blade")))]
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let header_path = generate_shader_bindings();
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#[cfg(all(target_os = "macos", not(feature = "macos-blade")))]
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macos::build();
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}
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#[cfg(target_os = "macos")]
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mod macos {
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use std::{
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env,
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path::{Path, PathBuf},
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};
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use cbindgen::Config;
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pub(super) fn build() {
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generate_dispatch_bindings();
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#[cfg(not(feature = "macos-blade"))]
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{
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let header_path = generate_shader_bindings();
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#[cfg(feature = "runtime_shaders")]
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emit_stitched_shaders(&header_path);
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#[cfg(not(feature = "runtime_shaders"))]
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compile_metal_shaders(&header_path);
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}
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}
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fn generate_dispatch_bindings() {
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println!("cargo:rustc-link-lib=framework=System");
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println!("cargo:rerun-if-changed=src/platform/mac/dispatch.h");
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let bindings = bindgen::Builder::default()
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.header("src/platform/mac/dispatch.h")
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.allowlist_var("_dispatch_main_q")
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.allowlist_var("_dispatch_source_type_data_add")
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.allowlist_var("DISPATCH_QUEUE_PRIORITY_DEFAULT")
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.allowlist_var("DISPATCH_QUEUE_PRIORITY_HIGH")
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.allowlist_var("DISPATCH_TIME_NOW")
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.allowlist_function("dispatch_get_global_queue")
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.allowlist_function("dispatch_async_f")
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.allowlist_function("dispatch_after_f")
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.allowlist_function("dispatch_time")
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.allowlist_function("dispatch_source_merge_data")
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.allowlist_function("dispatch_source_create")
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.allowlist_function("dispatch_source_set_event_handler_f")
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.allowlist_function("dispatch_resume")
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.allowlist_function("dispatch_suspend")
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.allowlist_function("dispatch_source_cancel")
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.allowlist_function("dispatch_set_context")
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.parse_callbacks(Box::new(bindgen::CargoCallbacks))
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.layout_tests(false)
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.generate()
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.expect("unable to generate bindings");
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let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
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bindings
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.write_to_file(out_path.join("dispatch_sys.rs"))
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.expect("couldn't write dispatch bindings");
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}
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fn generate_shader_bindings() -> PathBuf {
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let output_path = PathBuf::from(env::var("OUT_DIR").unwrap()).join("scene.h");
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let crate_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
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let mut config = Config::default();
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config.include_guard = Some("SCENE_H".into());
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config.language = cbindgen::Language::C;
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config.export.include.extend([
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"Bounds".into(),
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"Corners".into(),
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"Edges".into(),
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"Size".into(),
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"Pixels".into(),
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"PointF".into(),
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"Hsla".into(),
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"ContentMask".into(),
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"Uniforms".into(),
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"AtlasTile".into(),
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"PathRasterizationInputIndex".into(),
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"PathVertex_ScaledPixels".into(),
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"ShadowInputIndex".into(),
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"Shadow".into(),
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"QuadInputIndex".into(),
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"Underline".into(),
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"UnderlineInputIndex".into(),
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"Quad".into(),
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"SpriteInputIndex".into(),
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"MonochromeSprite".into(),
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"PolychromeSprite".into(),
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"PathSprite".into(),
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"SurfaceInputIndex".into(),
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"SurfaceBounds".into(),
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"TransformationMatrix".into(),
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]);
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config.no_includes = true;
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config.enumeration.prefix_with_name = true;
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let mut builder = cbindgen::Builder::new();
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let src_paths = [
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crate_dir.join("src/scene.rs"),
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crate_dir.join("src/geometry.rs"),
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crate_dir.join("src/color.rs"),
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crate_dir.join("src/window.rs"),
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crate_dir.join("src/platform.rs"),
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crate_dir.join("src/platform/mac/metal_renderer.rs"),
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];
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for src_path in src_paths {
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println!("cargo:rerun-if-changed={}", src_path.display());
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builder = builder.with_src(src_path);
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}
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builder
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.with_config(config)
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.generate()
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.expect("Unable to generate bindings")
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.write_to_file(&output_path);
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output_path
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}
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/// To enable runtime compilation, we need to "stitch" the shaders file with the generated header
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/// so that it is self-contained.
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#[cfg(feature = "runtime_shaders")]
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emit_stitched_shaders(&header_path);
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#[cfg(all(target_os = "macos", not(feature = "macos-blade")))]
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fn emit_stitched_shaders(header_path: &Path) {
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use std::str::FromStr;
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fn stitch_header(header: &Path, shader_path: &Path) -> std::io::Result<PathBuf> {
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let header_contents = std::fs::read_to_string(header)?;
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let shader_contents = std::fs::read_to_string(shader_path)?;
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let stitched_contents = format!("{header_contents}\n{shader_contents}");
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let out_path =
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PathBuf::from(env::var("OUT_DIR").unwrap()).join("stitched_shaders.metal");
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std::fs::write(&out_path, stitched_contents)?;
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Ok(out_path)
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}
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let shader_source_path = "./src/platform/mac/shaders.metal";
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let shader_path = PathBuf::from_str(shader_source_path).unwrap();
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stitch_header(header_path, &shader_path).unwrap();
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println!("cargo:rerun-if-changed={}", &shader_source_path);
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}
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#[cfg(not(feature = "runtime_shaders"))]
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compile_metal_shaders(&header_path);
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}
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fn compile_metal_shaders(header_path: &Path) {
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use std::process::{self, Command};
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let shader_path = "./src/platform/mac/shaders.metal";
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let air_output_path = PathBuf::from(env::var("OUT_DIR").unwrap()).join("shaders.air");
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let metallib_output_path =
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PathBuf::from(env::var("OUT_DIR").unwrap()).join("shaders.metallib");
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println!("cargo:rerun-if-changed={}", shader_path);
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fn generate_dispatch_bindings() {
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println!("cargo:rustc-link-lib=framework=System");
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println!("cargo:rerun-if-changed=src/platform/mac/dispatch.h");
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let output = Command::new("xcrun")
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.args([
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"-sdk",
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"macosx",
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"metal",
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"-gline-tables-only",
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"-mmacosx-version-min=10.15.7",
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"-MO",
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"-c",
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shader_path,
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"-include",
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&header_path.to_str().unwrap(),
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"-o",
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])
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.arg(&air_output_path)
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.output()
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.unwrap();
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let bindings = bindgen::Builder::default()
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.header("src/platform/mac/dispatch.h")
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.allowlist_var("_dispatch_main_q")
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.allowlist_var("_dispatch_source_type_data_add")
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.allowlist_var("DISPATCH_QUEUE_PRIORITY_DEFAULT")
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.allowlist_var("DISPATCH_QUEUE_PRIORITY_HIGH")
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.allowlist_var("DISPATCH_TIME_NOW")
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.allowlist_function("dispatch_get_global_queue")
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.allowlist_function("dispatch_async_f")
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.allowlist_function("dispatch_after_f")
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.allowlist_function("dispatch_time")
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.allowlist_function("dispatch_source_merge_data")
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.allowlist_function("dispatch_source_create")
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.allowlist_function("dispatch_source_set_event_handler_f")
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.allowlist_function("dispatch_resume")
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.allowlist_function("dispatch_suspend")
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.allowlist_function("dispatch_source_cancel")
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.allowlist_function("dispatch_set_context")
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.parse_callbacks(Box::new(bindgen::CargoCallbacks))
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.layout_tests(false)
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.generate()
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.expect("unable to generate bindings");
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if !output.status.success() {
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eprintln!(
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"metal shader compilation failed:\n{}",
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String::from_utf8_lossy(&output.stderr)
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);
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process::exit(1);
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}
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let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
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bindings
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.write_to_file(out_path.join("dispatch_sys.rs"))
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.expect("couldn't write dispatch bindings");
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}
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let output = Command::new("xcrun")
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.args(["-sdk", "macosx", "metallib"])
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.arg(air_output_path)
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.arg("-o")
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.arg(metallib_output_path)
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.output()
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.unwrap();
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fn generate_shader_bindings() -> PathBuf {
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let output_path = PathBuf::from(env::var("OUT_DIR").unwrap()).join("scene.h");
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let crate_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
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let mut config = Config::default();
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config.include_guard = Some("SCENE_H".into());
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config.language = cbindgen::Language::C;
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config.export.include.extend([
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"Bounds".into(),
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"Corners".into(),
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"Edges".into(),
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"Size".into(),
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"Pixels".into(),
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"PointF".into(),
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"Hsla".into(),
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"ContentMask".into(),
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"Uniforms".into(),
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"AtlasTile".into(),
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"PathRasterizationInputIndex".into(),
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"PathVertex_ScaledPixels".into(),
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"ShadowInputIndex".into(),
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"Shadow".into(),
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"QuadInputIndex".into(),
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"Underline".into(),
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"UnderlineInputIndex".into(),
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"Quad".into(),
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"SpriteInputIndex".into(),
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"MonochromeSprite".into(),
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"PolychromeSprite".into(),
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"PathSprite".into(),
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"SurfaceInputIndex".into(),
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"SurfaceBounds".into(),
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"TransformationMatrix".into(),
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]);
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config.no_includes = true;
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config.enumeration.prefix_with_name = true;
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let mut builder = cbindgen::Builder::new();
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let src_paths = [
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crate_dir.join("src/scene.rs"),
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crate_dir.join("src/geometry.rs"),
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crate_dir.join("src/color.rs"),
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crate_dir.join("src/window.rs"),
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crate_dir.join("src/platform.rs"),
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crate_dir.join("src/platform/mac/metal_renderer.rs"),
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];
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for src_path in src_paths {
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println!("cargo:rerun-if-changed={}", src_path.display());
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builder = builder.with_src(src_path);
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}
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builder
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.with_config(config)
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.generate()
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.expect("Unable to generate bindings")
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.write_to_file(&output_path);
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output_path
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}
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/// To enable runtime compilation, we need to "stitch" the shaders file with the generated header
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/// so that it is self-contained.
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#[cfg(feature = "runtime_shaders")]
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fn emit_stitched_shaders(header_path: &Path) {
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use std::str::FromStr;
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fn stitch_header(header: &Path, shader_path: &Path) -> std::io::Result<PathBuf> {
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let header_contents = std::fs::read_to_string(header)?;
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let shader_contents = std::fs::read_to_string(shader_path)?;
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let stitched_contents = format!("{header_contents}\n{shader_contents}");
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let out_path = PathBuf::from(env::var("OUT_DIR").unwrap()).join("stitched_shaders.metal");
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std::fs::write(&out_path, stitched_contents)?;
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Ok(out_path)
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}
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let shader_source_path = "./src/platform/mac/shaders.metal";
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let shader_path = PathBuf::from_str(shader_source_path).unwrap();
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stitch_header(header_path, &shader_path).unwrap();
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println!("cargo:rerun-if-changed={}", &shader_source_path);
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}
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#[cfg(not(feature = "runtime_shaders"))]
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fn compile_metal_shaders(header_path: &Path) {
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use std::process::{self, Command};
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let shader_path = "./src/platform/mac/shaders.metal";
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let air_output_path = PathBuf::from(env::var("OUT_DIR").unwrap()).join("shaders.air");
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let metallib_output_path = PathBuf::from(env::var("OUT_DIR").unwrap()).join("shaders.metallib");
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println!("cargo:rerun-if-changed={}", shader_path);
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let output = Command::new("xcrun")
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.args([
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"-sdk",
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"macosx",
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"metal",
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"-gline-tables-only",
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"-mmacosx-version-min=10.15.7",
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"-MO",
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"-c",
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shader_path,
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"-include",
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&header_path.to_str().unwrap(),
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"-o",
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])
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.arg(&air_output_path)
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.output()
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.unwrap();
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if !output.status.success() {
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eprintln!(
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"metal shader compilation failed:\n{}",
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String::from_utf8_lossy(&output.stderr)
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);
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process::exit(1);
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}
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let output = Command::new("xcrun")
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.args(["-sdk", "macosx", "metallib"])
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.arg(air_output_path)
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.arg("-o")
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.arg(metallib_output_path)
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.output()
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.unwrap();
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if !output.status.success() {
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eprintln!(
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"metallib compilation failed:\n{}",
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String::from_utf8_lossy(&output.stderr)
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);
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process::exit(1);
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if !output.status.success() {
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eprintln!(
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"metallib compilation failed:\n{}",
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String::from_utf8_lossy(&output.stderr)
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);
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process::exit(1);
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}
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}
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}
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