servo/ports/libsimpleservo/api/build.rs
2023-07-05 09:12:09 +02:00

54 lines
2.3 KiB
Rust

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use gl_generator::{Api, Fallbacks, Profile, Registry};
use serde_json::{self, Value};
use std::env;
use std::fs::File;
use std::path::PathBuf;
fn main() {
let target = env::var("TARGET").unwrap();
let dest = PathBuf::from(&env::var("OUT_DIR").unwrap());
// Generate GL bindings
// For now, we only support EGL, and only on Windows and Android.
if target.contains("android") || target.contains("windows") {
let mut file = File::create(&dest.join("egl_bindings.rs")).unwrap();
Registry::new(Api::Egl, (1, 5), Profile::Core, Fallbacks::All, [])
.write_bindings(gl_generator::StaticStructGenerator, &mut file)
.unwrap();
// Historically, Android builds have succeeded with rust-link-lib=EGL.
// On Windows when relying on %LIBS% to contain libEGL.lib, however,
// we must explicitly use rustc-link-lib=libEGL or rustc will attempt
// to link EGL.lib instead.
if target.contains("windows") {
println!("cargo:rustc-link-lib=libEGL");
} else {
println!("cargo:rust-link-lib=EGL");
}
}
if target.contains("linux") ||
target.contains("dragonfly") ||
target.contains("freebsd") ||
target.contains("openbsd")
{
let mut file = File::create(&dest.join("glx_bindings.rs")).unwrap();
Registry::new(Api::Glx, (1, 4), Profile::Core, Fallbacks::All, [])
.write_bindings(gl_generator::StructGenerator, &mut file)
.unwrap();
}
// Merge prefs.json and package-prefs.json
let mut default_prefs = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
default_prefs.push("../../../resources/prefs.json");
let mut prefs: Value = serde_json::from_reader(File::open(&default_prefs).unwrap()).unwrap();
let mut pkg_prefs = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
pkg_prefs.push("../../../resources/package-prefs.json");
let pkg_prefs: Value = serde_json::from_reader(File::open(&pkg_prefs).unwrap()).unwrap();
let file = File::create(&dest.join("prefs.json")).unwrap();
serde_json::to_writer(file, &prefs).unwrap();
}