Test

Signed-off-by: sagudev <[email protected]>

naga/tests/in/local-const.param.ron

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+()

naga/tests/in/local-const.wgsl

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+const ga = 4;                  // AbstractInt with a value of 4.
+const gb: i32 = 4;            // i32 with a value of 4.
+const ge = vec3(ga, gb, ga);
+
+fn const_in_fn(arg: f32) {
+    let _abba = 5;
+    const a = 4;                  // AbstractInt with a value of 4.
+    const b: i32 = 4;            // i32 with a value of 4.
+    const c: u32 = 4u;           // u32 with a value of 4.
+    const d: f32 = 4.;            // f32 with a value of 4.
+    const e = vec3(a, b, a);      // vec3 of AbstractInt with a value of (4, 4, 4).
+    const f = 2.0;                // AbstractFloat with a value of 2.
+    // TODO: Make it per spec: https://gpuweb.github.io/gpuweb/wgsl/#const-decls
+    // currently not possible because naga does not support automatic conversions of Abstract types
+
+    //const fa = arg;
+}
+
+// TODO: Test for scopes (shadowing?), globals.