dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/fwidthFine.spec.ts


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export const description = `
Execution tests for the 'fwidthFine' builtin function

T is f32 or vecN<f32>
fn fwidthFine(e:T) ->T
Returns abs(dpdxFine(e)) + abs(dpdyFine(e)).
`;

import { makeTestGroup } from '../../../../../../common/framework/test_group.js';
import { GPUTest } from '../../../../../gpu_test.js';
import { allInputSources } from '../../expression.js';

export const g = makeTestGroup(GPUTest);

g.test('f32')
  .specURL('https://www.w3.org/TR/WGSL/#derivative-builtin-functions')
  .desc(`f32 tests`)
  .params(u =>
    u.combine('inputSource', allInputSources).combine('vectorize', [undefined, 2, 3, 4] as const)
  )
  .unimplemented();