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875e387004
* script: Feature-gate all crown support. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Use cfg(crown) instead of a cargo feature. Signed-off-by: Josh Matthews <josh@joshmatthews.net> --------- Signed-off-by: Josh Matthews <josh@joshmatthews.net>
86 lines
2.5 KiB
Rust
86 lines
2.5 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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// check-tidy: no specs after this line
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use dom_struct::dom_struct;
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use indexmap::IndexSet;
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use js::rust::HandleObject;
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use webgpu::wgc::naga::front::wgsl::ImplementedLanguageExtension;
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use crate::dom::bindings::cell::DomRefCell;
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use crate::dom::bindings::codegen::Bindings::WebGPUBinding::WGSLLanguageFeaturesMethods;
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use crate::dom::bindings::like::Setlike;
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use crate::dom::bindings::reflector::{reflect_dom_object_with_proto, Reflector};
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::bindings::str::DOMString;
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use crate::dom::globalscope::GlobalScope;
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use crate::script_runtime::CanGc;
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#[dom_struct]
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pub struct WGSLLanguageFeatures {
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reflector: Reflector,
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// internal storage for features
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#[custom_trace]
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internal: DomRefCell<IndexSet<DOMString>>,
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}
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impl WGSLLanguageFeatures {
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pub(crate) fn new(
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global: &GlobalScope,
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proto: Option<HandleObject>,
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can_gc: CanGc,
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) -> DomRoot<Self> {
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let set = ImplementedLanguageExtension::all()
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.iter()
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.map(|le| le.to_ident().into())
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.collect();
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reflect_dom_object_with_proto(
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Box::new(Self {
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reflector: Reflector::new(),
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internal: DomRefCell::new(set),
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}),
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global,
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proto,
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can_gc,
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)
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}
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}
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impl WGSLLanguageFeaturesMethods<crate::DomTypeHolder> for WGSLLanguageFeatures {
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fn Size(&self) -> u32 {
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self.internal.size()
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}
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}
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// this error is wrong because if we inline Self::Key and Self::Value all errors are gone
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#[cfg_attr(crown, allow(crown::unrooted_must_root))]
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impl Setlike for WGSLLanguageFeatures {
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type Key = DOMString;
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#[inline(always)]
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fn get_index(&self, index: u32) -> Option<Self::Key> {
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self.internal.get_index(index)
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}
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#[inline(always)]
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fn size(&self) -> u32 {
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self.internal.size()
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}
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#[inline(always)]
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fn add(&self, _key: Self::Key) {
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unreachable!("readonly");
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}
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#[inline(always)]
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fn has(&self, key: Self::Key) -> bool {
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self.internal.has(key)
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}
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#[inline(always)]
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fn clear(&self) {
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unreachable!("readonly");
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}
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#[inline(always)]
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fn delete(&self, _key: Self::Key) -> bool {
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unreachable!("readonly");
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}
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}
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