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

T is vecN<Type.abstractFloat>, vecN<f32>, or vecN<f16>
@const fn reflect(e1: T, e2: T ) -> T
For the incident vector e1 and surface orientation e2, returns the reflection
direction e1-2*dot(e2,e1)*e2.
`;

import { makeTestGroup } from '../../../../../../common/framework/test_group.js';
import { AllFeaturesMaxLimitsGPUTest } from '../../../../../gpu_test.js';
import { Type } from '../../../../../util/conversion.js';
import { allInputSources, onlyConstInputSource, run } from '../../expression.js';

import { abstractFloatBuiltin, builtin } from './builtin.js';
import { d } from './reflect.cache.js';

export const g = makeTestGroup(AllFeaturesMaxLimitsGPUTest);

g.test('abstract_float_vec2')
  .specURL('https://www.w3.org/TR/WGSL/#numeric-builtin-functions')
  .desc(`abstract float tests using vec2s`)
  .params(u => u.combine('inputSource', onlyConstInputSource))
  .fn(async t => {
    const cases = await d.get('abstract_vec2_const');
    await run(
      t,
      abstractFloatBuiltin('reflect'),
      [Type.vec2af, Type.vec2af],
      Type.vec2af,
      t.params,
      cases
    );
  });

g.test('abstract_float_vec3')
  .specURL('https://www.w3.org/TR/WGSL/#numeric-builtin-functions')
  .desc(`abstract float tests using vec3s`)
  .params(u => u.combine('inputSource', onlyConstInputSource))
  .fn(async t => {
    const cases = await d.get('abstract_vec3_const');
    await run(
      t,
      abstractFloatBuiltin('reflect'),
      [Type.vec3af, Type.vec3af],
      Type.vec3af,
      t.params,
      cases
    );
  });

g.test('abstract_float_vec4')
  .specURL('https://www.w3.org/TR/WGSL/#numeric-builtin-functions')
  .desc(`abstract float tests using vec4s`)
  .params(u => u.combine('inputSource', onlyConstInputSource))
  .fn(async t => {
    const cases = await d.get('abstract_vec4_const');
    await run(
      t,
      abstractFloatBuiltin('reflect'),
      [Type.vec4af, Type.vec4af],
      Type.vec4af,
      t.params,
      cases
    );
  });

g.test('f32_vec2')
  .specURL('https://www.w3.org/TR/WGSL/#numeric-builtin-functions')
  .desc(`f32 tests using vec2s`)
  .params(u => u.combine('inputSource', allInputSources))
  .fn(async t => {
    const cases = await d.get(
      t.params.inputSource === 'const' ? 'f32_vec2_const' : 'f32_vec2_non_const'
    );
    await run(t, builtin('reflect'), [Type.vec2f, Type.vec2f], Type.vec2f, t.params, cases);
  });

g.test('f32_vec3')
  .specURL('https://www.w3.org/TR/WGSL/#numeric-builtin-functions')
  .desc(`f32 tests using vec3s`)
  .params(u => u.combine('inputSource', allInputSources))
  .fn(async t => {
    const cases = await d.get(
      t.params.inputSource === 'const' ? 'f32_vec3_const' : 'f32_vec3_non_const'
    );
    await run(t, builtin('reflect'), [Type.vec3f, Type.vec3f], Type.vec3f, t.params, cases);
  });

g.test('f32_vec4')
  .specURL('https://www.w3.org/TR/WGSL/#numeric-builtin-functions')
  .desc(`f32 tests using vec4s`)
  .params(u => u.combine('inputSource', allInputSources))
  .fn(async t => {
    const cases = await d.get(
      t.params.inputSource === 'const' ? 'f32_vec4_const' : 'f32_vec4_non_const'
    );
    await run(t, builtin('reflect'), [Type.vec4f, Type.vec4f], Type.vec4f, t.params, cases);
  });

g.test('f16_vec2')
  .specURL('https://www.w3.org/TR/WGSL/#numeric-builtin-functions')
  .desc(`f16 tests using vec2s`)
  .params(u => u.combine('inputSource', allInputSources))
  .fn(async t => {
    t.skipIfDeviceDoesNotHaveFeature('shader-f16');
    const cases = await d.get(
      t.params.inputSource === 'const' ? 'f16_vec2_const' : 'f16_vec2_non_const'
    );
    await run(t, builtin('reflect'), [Type.vec2h, Type.vec2h], Type.vec2h, t.params, cases);
  });

g.test('f16_vec3')
  .specURL('https://www.w3.org/TR/WGSL/#numeric-builtin-functions')
  .desc(`f16 tests using vec3s`)
  .params(u => u.combine('inputSource', allInputSources))
  .fn(async t => {
    t.skipIfDeviceDoesNotHaveFeature('shader-f16');
    const cases = await d.get(
      t.params.inputSource === 'const' ? 'f16_vec3_const' : 'f16_vec3_non_const'
    );
    await run(t, builtin('reflect'), [Type.vec3h, Type.vec3h], Type.vec3h, t.params, cases);
  });

g.test('f16_vec4')
  .specURL('https://www.w3.org/TR/WGSL/#numeric-builtin-functions')
  .desc(`f16 tests using vec4s`)
  .params(u => u.combine('inputSource', allInputSources))
  .fn(async t => {
    t.skipIfDeviceDoesNotHaveFeature('shader-f16');
    const cases = await d.get(
      t.params.inputSource === 'const' ? 'f16_vec4_const' : 'f16_vec4_non_const'
    );
    await run(t, builtin('reflect'), [Type.vec4h, Type.vec4h], Type.vec4h, t.params, cases);
  });