diff options
Diffstat (limited to 'third_party/rust/naga/src/back/mod.rs')
| -rw-r--r-- | third_party/rust/naga/src/back/mod.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/third_party/rust/naga/src/back/mod.rs b/third_party/rust/naga/src/back/mod.rs index c8f091decb..0c9c5e4761 100644 --- a/third_party/rust/naga/src/back/mod.rs +++ b/third_party/rust/naga/src/back/mod.rs @@ -16,6 +16,14 @@ pub mod spv; #[cfg(feature = "wgsl-out")] pub mod wgsl; +#[cfg(any( + feature = "hlsl-out", + feature = "msl-out", + feature = "spv-out", + feature = "glsl-out" +))] +pub mod pipeline_constants; + /// Names of vector components. pub const COMPONENTS: &[char] = &['x', 'y', 'z', 'w']; /// Indent for backends. @@ -26,6 +34,15 @@ pub const BAKE_PREFIX: &str = "_e"; /// Expressions that need baking. pub type NeedBakeExpressions = crate::FastHashSet<crate::Handle<crate::Expression>>; +/// Specifies the values of pipeline-overridable constants in the shader module. +/// +/// If an `@id` attribute was specified on the declaration, +/// the key must be the pipeline constant ID as a decimal ASCII number; if not, +/// the key must be the constant's identifier name. +/// +/// The value may represent any of WGSL's concrete scalar types. +pub type PipelineConstants = std::collections::HashMap<String, f64>; + /// Indentation level. #[derive(Clone, Copy)] pub struct Level(pub usize); |