41 lines
1.5 KiB
Rust
41 lines
1.5 KiB
Rust
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use std::env;
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use std::fs::File;
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use std::path::PathBuf;
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use cfg_aliases::cfg_aliases;
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use gl_generator::{Api, Fallbacks, Profile, Registry, StructGenerator};
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fn main() {
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// XXX this is taken from glutin/build.rs.
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// Setup alias to reduce `cfg` boilerplate.
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cfg_aliases! {
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// Systems.
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android_platform: { target_os = "android" },
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wasm_platform: { target_family = "wasm" },
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macos_platform: { target_os = "macos" },
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ios_platform: { target_os = "ios" },
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apple: { any(ios_platform, macos_platform) },
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free_unix: { all(unix, not(apple), not(android_platform)) },
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// Native displays.
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x11_platform: { all(feature = "x11", free_unix, not(wasm_platform)) },
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wayland_platform: { all(feature = "wayland", free_unix, not(wasm_platform)) },
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// Backends.
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egl_backend: { all(feature = "egl", any(windows, unix), not(apple), not(wasm_platform)) },
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glx_backend: { all(feature = "glx", x11_platform, not(wasm_platform)) },
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wgl_backend: { all(feature = "wgl", windows, not(wasm_platform)) },
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cgl_backend: { all(macos_platform, not(wasm_platform)) },
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}
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let dest = PathBuf::from(&env::var("OUT_DIR").unwrap());
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println!("cargo:rerun-if-changed=build.rs");
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let mut file = File::create(dest.join("gl_bindings.rs")).unwrap();
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Registry::new(Api::Gles2, (3, 0), Profile::Core, Fallbacks::All, [])
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.write_bindings(StructGenerator, &mut file)
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.unwrap();
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}
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