*/ // If we don't have the required front- and backends, don't try to build this example. #![cfg_attr(all(feature = "wgsl-in", feature = "glsl-out"), doc = "```")] #![cfg_attr(not(all(feature = "wgsl-in", feature = "glsl-out")), doc = "```ignore")] /*! letwgsl_source=" @fragment fnmain_fs()->@location(0)vec4<f32>{ returnvec4<f32>(1.0,1.0,1.0,1.0); } ";
// Parse the source into a Module. letmodule:naga::Module=naga::front::wgsl::parse_str(wgsl_source)?;
// Validate the module. // Validation can be made less restrictive by changing the ValidationFlags. letmodule_info:naga::valid::ModuleInfo= naga::valid::Validator::new( naga::valid::ValidationFlags::all(), naga::valid::Capabilities::all(), ) .subgroup_stages(naga::valid::ShaderStages::all()) .subgroup_operations(naga::valid::SubgroupOperationSet::all()) .validate(&module)?;
// TODO: Eliminate this re-export and migrate uses of `crate::Foo` to `use crate::ir; ir::Foo`. pubuse ir::*;
/// Width of a boolean type, in bytes. pubconst BOOL_WIDTH: Bytes = 1;
/// Width of abstract types, in bytes. pubconst ABSTRACT_WIDTH: Bytes = 8;
/// Hash map that is faster but not resilient to DoS attacks. /// (Similar to rustc_hash::FxHashMap but using hashbrown::HashMap instead of alloc::collections::HashMap.) /// To construct a new instance: `FastHashMap::default()` pubtype FastHashMap<K, T> =
hashbrown::HashMap<K, T, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>;
/// Hash set that is faster but not resilient to DoS attacks. /// (Similar to rustc_hash::FxHashSet but using hashbrown::HashSet instead of alloc::collections::HashMap.) pubtype FastHashSet<K> =
hashbrown::HashSet<K, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>;
/// Insertion-order-preserving hash set (`IndexSet<K>`), but with the same /// hasher as `FastHashSet<K>` (faster but not resilient to DoS attacks). pubtype FastIndexSet<K> =
indexmap::IndexSet<K, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>;
/// Insertion-order-preserving hash map (`IndexMap<K, V>`), but with the same /// hasher as `FastHashMap<K, V>` (faster but not resilient to DoS attacks). pubtype FastIndexMap<K, V> =
indexmap::IndexMap<K, V, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>;
/// Map of expressions that have associated variable names pub(crate) type NamedExpressions = FastIndexMap<Handle<Expression>, String>;
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