1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
export const description = `
This test dedicatedly tests validation of GPUMultisampleState of createRenderPipeline.
`;
import { makeTestGroup } from '../../../../common/framework/test_group.js';
import { kDefaultFragmentShaderCode } from '../../../util/shader.js';
import { CreateRenderPipelineValidationTest } from './common.js';
export const g = makeTestGroup(CreateRenderPipelineValidationTest);
g.test('count')
.desc(`If multisample.count must either be 1 or 4.`)
.params(u =>
u
.combine('isAsync', [false, true])
.beginSubcases()
.combine('count', [0, 1, 2, 3, 4, 8, 16, 1024])
)
.fn(async t => {
const { isAsync, count } = t.params;
const descriptor = t.getDescriptor({ multisample: { count, alphaToCoverageEnabled: false } });
const _success = count === 1 || count === 4;
t.doCreateRenderPipelineTest(isAsync, _success, descriptor);
});
g.test('alpha_to_coverage,count')
.desc(
`If multisample.alphaToCoverageEnabled is true, multisample.count must be greater than 1, e.g. it can only be 4.`
)
.params(u =>
u
.combine('isAsync', [false, true])
.combine('alphaToCoverageEnabled', [false, true])
.beginSubcases()
.combine('count', [1, 4])
)
.fn(async t => {
const { isAsync, alphaToCoverageEnabled, count } = t.params;
const descriptor = t.getDescriptor({ multisample: { count, alphaToCoverageEnabled } });
const _success = alphaToCoverageEnabled ? count === 4 : count === 1 || count === 4;
t.doCreateRenderPipelineTest(isAsync, _success, descriptor);
});
g.test('alpha_to_coverage,sample_mask')
.desc(
`If sample_mask builtin is a pipeline output of fragment, multisample.alphaToCoverageEnabled should be false.`
)
.params(u =>
u
.combine('isAsync', [false, true])
.combine('alphaToCoverageEnabled', [false, true])
.beginSubcases()
.combine('hasSampleMaskOutput', [false, true])
)
.fn(async t => {
const { isAsync, alphaToCoverageEnabled, hasSampleMaskOutput } = t.params;
const descriptor = t.getDescriptor({
multisample: { alphaToCoverageEnabled, count: 4 },
fragmentShaderCode: hasSampleMaskOutput
? `
struct Output {
@builtin(sample_mask) mask_out: u32,
@location(0) color : vec4<f32>,
}
@fragment fn main() -> Output {
var o: Output;
// We need to make sure this sample_mask isn't optimized out even its value equals "no op".
o.mask_out = 0xFFFFFFFFu;
o.color = vec4<f32>(1.0, 1.0, 1.0, 1.0);
return o;
}`
: kDefaultFragmentShaderCode,
});
const _success = !hasSampleMaskOutput || !alphaToCoverageEnabled;
t.doCreateRenderPipelineTest(isAsync, _success, descriptor);
});
|
