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export const description = `
Tests limitations of createRenderPipeline related to shader modules in compat mode.
`;
import { makeTestGroup } from '../../../../../common/framework/test_group.js';
import { CompatibilityTest } from '../../../compatibility_test.js';
export const g = makeTestGroup(CompatibilityTest);
g.test('sample_mask')
.desc(
`
Tests that you can not create a render pipeline with a shader module that uses sample_mask in compat mode.
- Test that a pipeline with a shader that uses sample_mask fails.
- Test that a pipeline that references a module that has a shader that uses sample_mask
but the pipeline does not reference that shader succeeds.
`
)
.params(u =>
u.combine('entryPoint', ['fsWithoutSampleMaskUsage', 'fsWithSampleMaskUsage'] as const)
)
.fn(t => {
const { entryPoint } = t.params;
const module = t.device.createShaderModule({
code: `
@vertex fn vs() -> @builtin(position) vec4f {
return vec4f(1);
}
struct Output {
@builtin(sample_mask) mask_out: u32,
@location(0) color : vec4f,
}
@fragment fn fsWithoutSampleMaskUsage() -> @location(0) vec4f {
return vec4f(1.0, 1.0, 1.0, 1.0);
}
@fragment fn fsWithSampleMaskUsage() -> Output {
var o: Output;
// We need to make sure this sample_mask isn't optimized out even if its value equals "no op".
o.mask_out = 0xFFFFFFFFu;
o.color = vec4f(1.0, 1.0, 1.0, 1.0);
return o;
}
`,
});
const pipelineDescriptor: GPURenderPipelineDescriptor = {
layout: 'auto',
vertex: {
module,
entryPoint: 'vs',
},
fragment: {
module,
entryPoint,
targets: [
{
format: 'rgba8unorm',
},
],
},
multisample: {
count: 4,
},
};
const isValid = entryPoint === 'fsWithoutSampleMaskUsage';
t.expectGPUError(
'validation',
() => t.device.createRenderPipeline(pipelineDescriptor),
!isValid
);
});
|
