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export const description = `
Execution tests for the 'faceForward' builtin function
T is vecN<AbstractFloat>, vecN<f32>, or vecN<f16>
@const fn faceForward(e1: T ,e2: T ,e3: T ) -> T
Returns e1 if dot(e2,e3) is negative, and -e1 otherwise.
`;
import { makeTestGroup } from '../../../../../../common/framework/test_group.js';
import { ROArrayArray } from '../../../../../../common/util/types.js';
import { GPUTest } from '../../../../../gpu_test.js';
import { anyOf } from '../../../../../util/compare.js';
import { toVector, TypeF32, TypeF16, TypeVec } from '../../../../../util/conversion.js';
import { FP, FPKind, FPVector } from '../../../../../util/floating_point.js';
import {
cartesianProduct,
sparseVectorF32Range,
sparseVectorF16Range,
} from '../../../../../util/math.js';
import { makeCaseCache } from '../../case_cache.js';
import { allInputSources, Case, IntervalFilter, run } from '../../expression.js';
import { builtin } from './builtin.js';
export const g = makeTestGroup(GPUTest);
// Using a bespoke implementation of make*Case and generate*Cases here
// since faceForwardIntervals is the only builtin with the API signature
// (vec, vec, vec) -> vec
//
// Additionally faceForward has significant complexities around it due to the
// fact that `dot` is calculated in it s operation, but the result of dot isn't
// used to calculate the builtin's result.
/**
* @returns a Case for `faceForward`
* @param kind what kind of floating point numbers being operated on
* @param x the `x` param for the case
* @param y the `y` param for the case
* @param z the `z` param for the case
* @param check what interval checking to apply
* */
function makeCase(
kind: FPKind,
x: readonly number[],
y: readonly number[],
z: readonly number[],
check: IntervalFilter
): Case | undefined {
const fp = FP[kind];
x = x.map(fp.quantize);
y = y.map(fp.quantize);
z = z.map(fp.quantize);
const results = FP[kind].faceForwardIntervals(x, y, z);
if (check === 'finite' && results.some(r => r === undefined)) {
return undefined;
}
// Stripping the undefined results, since undefined is used to signal that an OOB
// could occur within the calculation that isn't reflected in the result
// intervals.
const define_results = results.filter((r): r is FPVector => r !== undefined);
return {
input: [
toVector(x, fp.scalarBuilder),
toVector(y, fp.scalarBuilder),
toVector(z, fp.scalarBuilder),
],
expected: anyOf(...define_results),
};
}
/**
* @returns an array of Cases for `faceForward`
* @param kind what kind of floating point numbers being operated on
* @param xs array of inputs to try for the `x` param
* @param ys array of inputs to try for the `y` param
* @param zs array of inputs to try for the `z` param
* @param check what interval checking to apply
*/
function generateCases(
kind: FPKind,
xs: ROArrayArray<number>,
ys: ROArrayArray<number>,
zs: ROArrayArray<number>,
check: IntervalFilter
): Case[] {
// Cannot use `cartesianProduct` here due to heterogeneous param types
return cartesianProduct(xs, ys, zs)
.map(e => makeCase(kind, e[0], e[1], e[2], check))
.filter((c): c is Case => c !== undefined);
}
// Cases: f32_vecN_[non_]const
const f32_vec_cases = ([2, 3, 4] as const)
.flatMap(n =>
([true, false] as const).map(nonConst => ({
[`f32_vec${n}_${nonConst ? 'non_const' : 'const'}`]: () => {
return generateCases(
'f32',
sparseVectorF32Range(n),
sparseVectorF32Range(n),
sparseVectorF32Range(n),
nonConst ? 'unfiltered' : 'finite'
);
},
}))
)
.reduce((a, b) => ({ ...a, ...b }), {});
// Cases: f16_vecN_[non_]const
const f16_vec_cases = ([2, 3, 4] as const)
.flatMap(n =>
([true, false] as const).map(nonConst => ({
[`f16_vec${n}_${nonConst ? 'non_const' : 'const'}`]: () => {
return generateCases(
'f16',
sparseVectorF16Range(n),
sparseVectorF16Range(n),
sparseVectorF16Range(n),
nonConst ? 'unfiltered' : 'finite'
);
},
}))
)
.reduce((a, b) => ({ ...a, ...b }), {});
export const d = makeCaseCache('faceForward', {
...f32_vec_cases,
...f16_vec_cases,
});
g.test('abstract_float')
.specURL('https://www.w3.org/TR/WGSL/#float-builtin-functions')
.desc(`abstract float tests`)
.params(u => u.combine('inputSource', allInputSources).combine('vectorize', [2, 3, 4] as const))
.unimplemented();
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('faceForward'),
[TypeVec(2, TypeF32), TypeVec(2, TypeF32), TypeVec(2, TypeF32)],
TypeVec(2, TypeF32),
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('faceForward'),
[TypeVec(3, TypeF32), TypeVec(3, TypeF32), TypeVec(3, TypeF32)],
TypeVec(3, TypeF32),
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('faceForward'),
[TypeVec(4, TypeF32), TypeVec(4, TypeF32), TypeVec(4, TypeF32)],
TypeVec(4, TypeF32),
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))
.beforeAllSubcases(t => {
t.selectDeviceOrSkipTestCase('shader-f16');
})
.fn(async t => {
const cases = await d.get(
t.params.inputSource === 'const' ? 'f16_vec2_const' : 'f16_vec2_non_const'
);
await run(
t,
builtin('faceForward'),
[TypeVec(2, TypeF16), TypeVec(2, TypeF16), TypeVec(2, TypeF16)],
TypeVec(2, TypeF16),
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))
.beforeAllSubcases(t => {
t.selectDeviceOrSkipTestCase('shader-f16');
})
.fn(async t => {
const cases = await d.get(
t.params.inputSource === 'const' ? 'f16_vec3_const' : 'f16_vec3_non_const'
);
await run(
t,
builtin('faceForward'),
[TypeVec(3, TypeF16), TypeVec(3, TypeF16), TypeVec(3, TypeF16)],
TypeVec(3, TypeF16),
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))
.beforeAllSubcases(t => {
t.selectDeviceOrSkipTestCase('shader-f16');
})
.fn(async t => {
const cases = await d.get(
t.params.inputSource === 'const' ? 'f16_vec4_const' : 'f16_vec4_non_const'
);
await run(
t,
builtin('faceForward'),
[TypeVec(4, TypeF16), TypeVec(4, TypeF16), TypeVec(4, TypeF16)],
TypeVec(4, TypeF16),
t.params,
cases
);
});
|
