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export const description = 'checkPixels helpers behave as expected against real textures';
import { makeTestGroup } from '../../../common/framework/test_group.js';
import { GPUTest } from '../../gpu_test.js';
import { TexelView } from './texel_view.js';
import { textureContentIsOKByT2B } from './texture_ok.js';
export const g = makeTestGroup(GPUTest);
g.test('float32')
.desc(`Basic test that actual/expected must match, for float32.`)
.params(u =>
u
.combineWithParams([
{ format: 'rgba32float' }, //
{ format: 'rg32float' },
] as const)
.beginSubcases()
.combineWithParams([
// Expected data is 0.6 in all channels
{ data: 0.6, opts: { maxFractionalDiff: 0.0000001 }, _ok: true },
{ data: 0.6, opts: { maxDiffULPsForFloatFormat: 1 }, _ok: true },
{ data: 0.5999, opts: { maxFractionalDiff: 0 }, _ok: false },
{ data: 0.5999, opts: { maxFractionalDiff: 0.0001001 }, _ok: true },
{ data: 0.6001, opts: { maxFractionalDiff: 0 }, _ok: false },
{ data: 0.6001, opts: { maxFractionalDiff: 0.0001001 }, _ok: true },
{ data: 0.5999, opts: { maxDiffULPsForFloatFormat: 1677 }, _ok: false },
{ data: 0.5999, opts: { maxDiffULPsForFloatFormat: 1678 }, _ok: true },
{ data: 0.6001, opts: { maxDiffULPsForFloatFormat: 1676 }, _ok: false },
{ data: 0.6001, opts: { maxDiffULPsForFloatFormat: 1677 }, _ok: true },
])
)
.fn(async t => {
const { format, data, opts, _ok } = t.params;
const size = [1, 1];
const texture = t.device.createTexture({
format,
size,
usage: GPUTextureUsage.COPY_DST | GPUTextureUsage.COPY_SRC,
});
t.trackForCleanup(texture);
t.device.queue.writeTexture({ texture }, new Float32Array([data, data, data, data]), {}, size);
const expColor = { R: 0.6, G: 0.6, B: 0.6, A: 0.6 };
const expTexelView = TexelView.fromTexelsAsColors(format, coords => expColor);
const result = await textureContentIsOKByT2B(t, { texture }, size, { expTexelView }, opts);
t.expect((result === undefined) === _ok, `expected ${_ok}, got ${result === undefined}`);
});
g.test('norm')
.desc(`Basic test that actual/expected must match, for unorm/snorm.`)
.params(u =>
u
.combine('mode', ['bytes', 'colors'] as const)
.combineWithParams([
{ format: 'r8unorm', _maxValue: 255 },
{ format: 'r8snorm', _maxValue: 127 },
] as const)
.beginSubcases()
.combineWithParams([
// Expected data is [10, 10]
{ data: [10, 10], _ok: true },
{ data: [10, 11], _ok: false },
{ data: [11, 10], _ok: false },
{ data: [11, 11], _ok: false },
])
)
.fn(async t => {
const { mode, format, _maxValue, data, _ok } = t.params;
const size = [2, 1];
const texture = t.device.createTexture({
format,
size,
usage: GPUTextureUsage.COPY_DST | GPUTextureUsage.COPY_SRC,
});
t.trackForCleanup(texture);
t.device.queue.writeTexture({ texture }, new Int8Array(data), {}, size);
let expTexelView;
switch (mode) {
case 'bytes':
expTexelView = TexelView.fromTexelsAsBytes(format, coords => new Uint8Array([10]));
break;
case 'colors':
expTexelView = TexelView.fromTexelsAsColors(format, coords => ({ R: 10 / _maxValue }));
break;
}
const result = await textureContentIsOKByT2B(
t,
{ texture },
size,
{ expTexelView },
{ maxDiffULPsForNormFormat: 0 }
);
t.expect((result === undefined) === _ok, result?.message);
});
g.test('snorm_min')
.desc(
`The minimum snorm value has two possible representations (e.g. -127 and -128). Ensure that
actual/expected can mismatch in both directions and pass the test.`
)
.params(u =>
u //
.combine('mode', ['bytes', 'colors'] as const)
.combineWithParams([
//
{ format: 'r8snorm', _maxValue: 127 },
] as const)
)
.fn(async t => {
const { mode, format, _maxValue } = t.params;
const data = [-_maxValue, -_maxValue - 1];
const size = [2, 1];
const texture = t.device.createTexture({
format,
size,
usage: GPUTextureUsage.COPY_DST | GPUTextureUsage.COPY_SRC,
});
t.trackForCleanup(texture);
t.device.queue.writeTexture({ texture }, new Int8Array(data), {}, size);
let expTexelView;
switch (mode) {
case 'bytes':
{
// Actual value should be [-127,-128], expected value is [-128,-127], both should pass.
const exp = [-_maxValue - 1, -_maxValue];
expTexelView = TexelView.fromTexelsAsBytes(
format,
coords => new Uint8Array([exp[coords.x]])
);
}
break;
case 'colors':
expTexelView = TexelView.fromTexelsAsColors(format, coords => ({ R: -1 }));
break;
}
const result = await textureContentIsOKByT2B(
t,
{ texture },
size,
{ expTexelView },
{ maxDiffULPsForNormFormat: 0 }
);
t.expectOK(result);
});
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