fixup! feat(const_eval): impl. abs

naga/src/proc/constant_evaluator.rs

@@ -124,6 +124,23 @@ macro_rules! gen_component_wise_extractor {
     };
 }
 
+gen_component_wise_extractor! {
+    component_wise_scalar -> Scalar,
+    literals: [
+        AbstractFloat => AbstractFloat,
+        F32 => F32,
+        AbstractInt => AbstractInt,
+        U32 => U32,
+        I32 => I32,
+    ],
+    scalar_kinds: [
+        Float,
+        AbstractFloat,
+        Uint,
+        AbstractInt,
+    ],
+}
+
 gen_component_wise_extractor! {
     component_wise_float -> Float,
     literals: [
@@ -2318,6 +2335,32 @@ impl From<f32> for Expression {
     }
 }
 
+impl From<i64> for Expression {
+    fn from(value: i64) -> Self {
+        Self::Literal(Literal::AbstractInt(value))
+    }
+}
+
+impl From<u32> for Expression {
+    fn from(value: u32) -> Self {
+        Self::Literal(Literal::U32(value))
+    }
+}
+
+impl From<i32> for Expression {
+    fn from(value: i32) -> Self {
+        Self::Literal(Literal::I32(value))
+    }
+}
+
+pub(super) enum Scalar<const N: usize> {
+    AbstractFloat([f64; N]),
+    F32([f32; N]),
+    AbstractInt([i64; N]),
+    U32([u32; N]),
+    I32([i32; N]),
+}
+
 pub(super) enum Float<const N: usize> {
     Abstract([f64; N]),
     F32([f32; N]),