1 files changed, 182 insertions, 0 deletions
diff --git a/dom/webgpu/tests/cts/checkout/src/webgpu/shader/validation/expression/binary/and_or_xor.spec.ts b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/validation/expression/binary/and_or_xor.spec.ts
new file mode 100644
index 0000000000..3dd3607365
--- /dev/null
+++ b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/validation/expression/binary/and_or_xor.spec.ts
@@ -0,0 +1,182 @@
+export const description = `
+Validation tests for logical and bitwise and/or/xor expressions.
+`;
+
+import { makeTestGroup } from '../../../../../common/framework/test_group.js';
+import { keysOf, objectsToRecord } from '../../../../../common/util/data_tables.js';
+import {
+  kAllScalarsAndVectors,
+  ScalarType,
+  scalarTypeOf,
+  Type,
+  VectorType,
+} from '../../../../util/conversion.js';
+import { ShaderValidationTest } from '../../shader_validation_test.js';
+
+export const g = makeTestGroup(ShaderValidationTest);
+
+// A list of operators and a flag for whether they support boolean values or not.
+const kOperators = {
+  and: { op: '&', supportsBool: true },
+  or: { op: '|', supportsBool: true },
+  xor: { op: '^', supportsBool: false },
+};
+
+// A list of scalar and vector types.
+const kScalarAndVectorTypes = objectsToRecord(kAllScalarsAndVectors);
+
+g.test('scalar_vector')
+  .desc(
+    `
+  Validates that scalar and vector expressions are only accepted for bool or compatible integer types.
+  `
+  )
+  .params(u =>
+    u
+      .combine('lhs', keysOf(kScalarAndVectorTypes))
+      .combine(
+        'rhs',
+        // Skip vec3 and vec4 on the RHS to keep the number of subcases down.
+        // vec3 + vec3 and vec4 + vec4 is tested in execution tests.
+        keysOf(kScalarAndVectorTypes).filter(
+          value => !(value.startsWith('vec3') || value.startsWith('vec4'))
+        )
+      )
+      .beginSubcases()
+      .combine('op', keysOf(kOperators))
+  )
+  .beforeAllSubcases(t => {
+    if (
+      scalarTypeOf(kScalarAndVectorTypes[t.params.lhs]) === Type.f16 ||
+      scalarTypeOf(kScalarAndVectorTypes[t.params.rhs]) === Type.f16
+    ) {
+      t.selectDeviceOrSkipTestCase('shader-f16');
+    }
+  })
+  .fn(t => {
+    const op = kOperators[t.params.op];
+    const lhs = kScalarAndVectorTypes[t.params.lhs];
+    const rhs = kScalarAndVectorTypes[t.params.rhs];
+    const lhsElement = scalarTypeOf(lhs);
+    const rhsElement = scalarTypeOf(rhs);
+    const hasF16 = lhsElement === Type.f16 || rhsElement === Type.f16;
+    const code = `
+${hasF16 ? 'enable f16;' : ''}
+const lhs = ${lhs.create(0).wgsl()};
+const rhs = ${rhs.create(0).wgsl()};
+const foo = lhs ${op.op} rhs;
+`;
+
+    // Determine if the element types are compatible.
+    const kIntegerTypes = [Type.abstractInt, Type.i32, Type.u32];
+    let elementIsCompatible = false;
+    if (lhsElement === Type.abstractInt) {
+      // Abstract integers are compatible with any other integer type.
+      elementIsCompatible = kIntegerTypes.includes(rhsElement);
+    } else if (rhsElement === Type.abstractInt) {
+      // Abstract integers are compatible with any other numeric type.
+      elementIsCompatible = kIntegerTypes.includes(lhsElement);
+    } else if (kIntegerTypes.includes(lhsElement)) {
+      // Concrete integers are only compatible with values with the exact same type.
+      elementIsCompatible = lhsElement === rhsElement;
+    } else if (lhsElement === Type.bool) {
+      // Booleans are only compatible with other booleans.
+      elementIsCompatible = rhsElement === Type.bool;
+    }
+
+    // Determine if the full type is compatible.
+    let valid = false;
+    if (lhs instanceof ScalarType && rhs instanceof ScalarType) {
+      valid = elementIsCompatible;
+    } else if (lhs instanceof VectorType && rhs instanceof VectorType) {
+      // Vectors are only compatible with if the vector widths match.
+      valid = lhs.width === rhs.width && elementIsCompatible;
+    }
+
+    if (lhsElement === Type.bool) {
+      valid &&= op.supportsBool;
+    }
+
+    t.expectCompileResult(valid, code);
+  });
+
+interface InvalidTypeConfig {
+  // An expression that produces a value of the target type.
+  expr: string;
+  // A function that converts an expression of the target type into a valid integer operand.
+  control: (x: string) => string;
+}
+const kInvalidTypes: Record<string, InvalidTypeConfig> = {
+  mat2x2f: {
+    expr: 'm',
+    control: e => `i32(${e}[0][0])`,
+  },
+
+  array: {
+    expr: 'arr',
+    control: e => `${e}[0]`,
+  },
+
+  ptr: {
+    expr: '(&u)',
+    control: e => `*${e}`,
+  },
+
+  atomic: {
+    expr: 'a',
+    control: e => `atomicLoad(&${e})`,
+  },
+
+  texture: {
+    expr: 't',
+    control: e => `i32(textureLoad(${e}, vec2(), 0).x)`,
+  },
+
+  sampler: {
+    expr: 's',
+    control: e => `i32(textureSampleLevel(t, ${e}, vec2(), 0).x)`,
+  },
+
+  struct: {
+    expr: 'str',
+    control: e => `${e}.u`,
+  },
+};
+
+g.test('invalid_types')
+  .desc(
+    `
+  Validates that expressions are never accepted for non-scalar and non-vector types.
+  `
+  )
+  .params(u =>
+    u
+      .combine('op', keysOf(kOperators))
+      .combine('type', keysOf(kInvalidTypes))
+      .combine('control', [true, false])
+      .beginSubcases()
+  )
+  .fn(t => {
+    const op = kOperators[t.params.op];
+    const type = kInvalidTypes[t.params.type];
+    const expr = t.params.control ? type.control(type.expr) : type.expr;
+    const code = `
+@group(0) @binding(0) var t : texture_2d<f32>;
+@group(0) @binding(1) var s : sampler;
+@group(0) @binding(2) var<storage, read_write> a : atomic<i32>;
+
+struct S { u : u32 }
+
+var<private> u : u32;
+var<private> m : mat2x2f;
+var<private> arr : array<i32, 4>;
+var<private> str : S;
+
+@compute @workgroup_size(1)
+fn main() {
+  let foo = ${expr} ${op.op} ${expr};
+}
+`;
+
+    t.expectCompileResult(t.params.control, code);
+  });