wezterm/window/build.rs

fn main() {
    println!("cargo:rerun-if-changed=build.rs");

    use gl_generator::{Api, Fallbacks, Profile, Registry};
    use std::env;
    use std::fs::File;
    use std::path::PathBuf;

    let dest = PathBuf::from(&env::var("OUT_DIR").unwrap());
    let target = env::var("TARGET").unwrap();
    if !target.contains("macos") {
        let mut file = File::create(&dest.join("egl_bindings.rs")).unwrap();
        let reg = Registry::new(
            Api::Egl,
            (1, 5),
            Profile::Core,
            Fallbacks::All,
            [
                "EGL_KHR_create_context",
                "EGL_EXT_create_context_robustness",
                "EGL_KHR_create_context_no_error",
                "EGL_KHR_platform_x11",
                "EGL_KHR_platform_android",
                "EGL_KHR_platform_wayland",
                "EGL_KHR_platform_gbm",
                "EGL_EXT_platform_base",
                "EGL_EXT_platform_x11",
                "EGL_MESA_platform_gbm",
                "EGL_EXT_platform_wayland",
                "EGL_EXT_platform_device",
                "EGL_KHR_swap_buffers_with_damage",
            ],
        );

        if target.contains("android") || target.contains("ios") {
            reg.write_bindings(gl_generator::StaticStructGenerator, &mut file)
        } else {
            reg.write_bindings(gl_generator::StructGenerator, &mut file)
        }
        .unwrap()
    }

    if target.contains("windows") {
        let mut file = File::create(&dest.join("wgl_bindings.rs")).unwrap();
        let reg = Registry::new(Api::Wgl, (1, 0), Profile::Core, Fallbacks::All, []);

        reg.write_bindings(gl_generator::StructGenerator, &mut file)
            .unwrap();

        let mut file = File::create(&dest.join("wgl_extra_bindings.rs")).unwrap();
        Registry::new(
            Api::Wgl,
            (1, 0),
            Profile::Core,
            Fallbacks::All,
            [
                "WGL_ARB_create_context",
                "WGL_ARB_create_context_profile",
                "WGL_ARB_create_context_robustness",
                "WGL_ARB_context_flush_control",
                "WGL_ARB_extensions_string",
                "WGL_ARB_framebuffer_sRGB",
                "WGL_ARB_multisample",
                "WGL_ARB_pixel_format",
                "WGL_ARB_pixel_format_float",
                "WGL_EXT_create_context_es2_profile",
                "WGL_EXT_extensions_string",
                "WGL_EXT_framebuffer_sRGB",
                "WGL_EXT_swap_control",
            ],
        )
        .write_bindings(gl_generator::StructGenerator, &mut file)
        .unwrap();
    }
}