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export const description = `
Test for texture_ok utils.
`;
import { makeTestGroup } from '../common/framework/test_group.js';
import { typedArrayFromParam, typedArrayParam } from '../common/util/util.js';
import { TexelView } from '../webgpu/util/texture/texel_view.js';
import { findFailedPixels } from '../webgpu/util/texture/texture_ok.js';
import { UnitTest } from './unit_test.js';
class F extends UnitTest {
test(act: string, exp: string): void {
this.expect(act === exp, 'got: ' + act.replace('\n', '⏎'));
}
}
export const g = makeTestGroup(F);
g.test('findFailedPixels')
.desc(
`
Test findFailedPixels passes what is expected to pass and fails what is expected
to fail. For example NaN === NaN should be true in a texture that allows NaN.
2 different representations of the same rgb9e5ufloat should compare as equal.
etc...
`
)
.params(u =>
u.combineWithParams([
// Sanity Check
{
format: 'rgba8unorm',
actual: typedArrayParam('Uint8Array', [0x00, 0x40, 0x80, 0xff]),
expected: typedArrayParam('Uint8Array', [0x00, 0x40, 0x80, 0xff]),
isSame: true,
},
// Slightly different values
{
format: 'rgba8unorm',
actual: typedArrayParam('Uint8Array', [0x00, 0x40, 0x80, 0xff]),
expected: typedArrayParam('Uint8Array', [0x00, 0x40, 0x81, 0xff]),
isSame: false,
},
// Different representations of the same value
{
format: 'rgb9e5ufloat',
actual: typedArrayParam('Uint8Array', [0x78, 0x56, 0x34, 0x12]),
expected: typedArrayParam('Uint8Array', [0xf0, 0xac, 0x68, 0x0c]),
isSame: true,
},
// Slightly different values
{
format: 'rgb9e5ufloat',
actual: typedArrayParam('Uint8Array', [0x78, 0x56, 0x34, 0x12]),
expected: typedArrayParam('Uint8Array', [0xf1, 0xac, 0x68, 0x0c]),
isSame: false,
},
// Test NaN === NaN
{
format: 'r32float',
actual: typedArrayParam('Float32Array', [parseFloat('abc')]),
expected: typedArrayParam('Float32Array', [parseFloat('def')]),
isSame: true,
},
// Sanity Check
{
format: 'r32float',
actual: typedArrayParam('Float32Array', [1.23]),
expected: typedArrayParam('Float32Array', [1.23]),
isSame: true,
},
// Slightly different values.
{
format: 'r32float',
actual: typedArrayParam('Uint32Array', [0x3f9d70a4]),
expected: typedArrayParam('Uint32Array', [0x3f9d70a5]),
isSame: false,
},
// Slightly different
{
format: 'rg11b10ufloat',
actual: typedArrayParam('Uint32Array', [0x3ce]),
expected: typedArrayParam('Uint32Array', [0x3cf]),
isSame: false,
},
// Positive.Infinity === Positive.Infinity (red)
{
format: 'rg11b10ufloat',
actual: typedArrayParam('Uint32Array', [0b11111000000]),
expected: typedArrayParam('Uint32Array', [0b11111000000]),
isSame: true,
},
// Positive.Infinity === Positive.Infinity (green)
{
format: 'rg11b10ufloat',
actual: typedArrayParam('Uint32Array', [0b11111000000_00000000000]),
expected: typedArrayParam('Uint32Array', [0b11111000000_00000000000]),
isSame: true,
},
// Positive.Infinity === Positive.Infinity (blue)
{
format: 'rg11b10ufloat',
actual: typedArrayParam('Uint32Array', [0b1111100000_00000000000_00000000000]),
expected: typedArrayParam('Uint32Array', [0b1111100000_00000000000_00000000000]),
isSame: true,
},
// NaN === NaN (red)
{
format: 'rg11b10ufloat',
actual: typedArrayParam('Uint32Array', [0b11111000001]),
expected: typedArrayParam('Uint32Array', [0b11111000010]),
isSame: true,
},
// NaN === NaN (green)
{
format: 'rg11b10ufloat',
actual: typedArrayParam('Uint32Array', [0b11111000100_00000000000]),
expected: typedArrayParam('Uint32Array', [0b11111001000_00000000000]),
isSame: true,
},
// NaN === NaN (blue)
{
format: 'rg11b10ufloat',
actual: typedArrayParam('Uint32Array', [0b1111110000_00000000000_00000000000]),
expected: typedArrayParam('Uint32Array', [0b1111101000_00000000000_00000000000]),
isSame: true,
},
] as const)
)
.fn(t => {
const { format, actual, expected, isSame } = t.params;
const actualData = new Uint8Array(typedArrayFromParam(actual).buffer);
const expectedData = new Uint8Array(typedArrayFromParam(expected).buffer);
const actTexelView = TexelView.fromTextureDataByReference(format, actualData, {
bytesPerRow: actualData.byteLength,
rowsPerImage: 1,
subrectOrigin: [0, 0, 0],
subrectSize: [1, 1, 1],
});
const expTexelView = TexelView.fromTextureDataByReference(format, expectedData, {
bytesPerRow: expectedData.byteLength,
rowsPerImage: 1,
subrectOrigin: [0, 0, 0],
subrectSize: [1, 1, 1],
});
const zero = { x: 0, y: 0, z: 0 };
const failedPixelsMessage = findFailedPixels(
format,
zero,
{ width: 1, height: 1, depthOrArrayLayers: 1 },
{ actTexelView, expTexelView },
{
maxFractionalDiff: 0,
}
);
t.expect(isSame === !failedPixelsMessage, failedPixelsMessage);
});
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