diff options
Diffstat (limited to 'dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/log2.spec.ts')
-rw-r--r-- | dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/log2.spec.ts | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/log2.spec.ts b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/log2.spec.ts new file mode 100644 index 0000000000..4425fb7b1a --- /dev/null +++ b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/log2.spec.ts @@ -0,0 +1,71 @@ +export const description = ` +Execution tests for the 'log2' builtin function + +S is AbstractFloat, f32, f16 +T is S or vecN<S> +@const fn log2(e: T ) -> T +Returns the base-2 logarithm of e. Component-wise when T is a vector. +`; + +import { makeTestGroup } from '../../../../../../common/framework/test_group.js'; +import { GPUTest } from '../../../../../gpu_test.js'; +import { kValue } from '../../../../../util/constants.js'; +import { TypeF32 } from '../../../../../util/conversion.js'; +import { log2Interval } from '../../../../../util/f32_interval.js'; +import { biasedRange, fullF32Range, linearRange } from '../../../../../util/math.js'; +import { makeCaseCache } from '../../case_cache.js'; +import { allInputSources, generateUnaryToF32IntervalCases, run } from '../../expression.js'; + +import { builtin } from './builtin.js'; + +export const g = makeTestGroup(GPUTest); + +// log2's accuracy is defined in three regions { [0, 0.5), [0.5, 2.0], (2.0, +∞] } +const inputs = [ + ...linearRange(kValue.f32.positive.min, 0.5, 20), + ...linearRange(0.5, 2.0, 20), + ...biasedRange(2.0, 2 ** 32, 1000), + ...fullF32Range(), +]; + +export const d = makeCaseCache('log2', { + f32_const: () => { + return generateUnaryToF32IntervalCases(inputs, 'f32-only', log2Interval); + }, + f32_non_const: () => { + return generateUnaryToF32IntervalCases(inputs, 'unfiltered', log2Interval); + }, +}); + +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', [undefined, 2, 3, 4] as const) + ) + .unimplemented(); + +g.test('f32') + .specURL('https://www.w3.org/TR/WGSL/#float-builtin-functions') + .desc( + ` +f32 tests + +TODO(#792): Decide what the ground-truth is for these tests. [1] +` + ) + .params(u => + u.combine('inputSource', allInputSources).combine('vectorize', [undefined, 2, 3, 4] as const) + ) + .fn(async t => { + const cases = await d.get(t.params.inputSource === 'const' ? 'f32_const' : 'f32_non_const'); + await run(t, builtin('log2'), [TypeF32], TypeF32, t.params, cases); + }); + +g.test('f16') + .specURL('https://www.w3.org/TR/WGSL/#float-builtin-functions') + .desc(`f16 tests`) + .params(u => + u.combine('inputSource', allInputSources).combine('vectorize', [undefined, 2, 3, 4] as const) + ) + .unimplemented(); |