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export const description = `Validation tests for attributes and entry point requirements`;
import { makeTestGroup } from '../../../../common/framework/test_group.js';
import { ShaderValidationTest } from '../shader_validation_test.js';
export const g = makeTestGroup(ShaderValidationTest);
g.test('missing_attribute_on_param')
.desc(`Test that an entry point without an IO attribute on one of its parameters is rejected.`)
.params(u =>
u.combine('target_stage', ['', 'vertex', 'fragment', 'compute'] as const).beginSubcases()
)
.fn(t => {
const vertex_attr = t.params.target_stage === 'vertex' ? '' : '@location(1)';
const fragment_attr = t.params.target_stage === 'fragment' ? '' : '@location(1)';
const compute_attr = t.params.target_stage === 'compute' ? '' : '@builtin(workgroup_id)';
const code = `
@vertex
fn vert_main(@location(0) a : f32,
${vertex_attr} b : f32,
@ location(2) c : f32) -> @builtin(position) vec4<f32> {
return vec4<f32>();
}
@fragment
fn frag_main(@location(0) a : f32,
${fragment_attr} b : f32,
@ location(2) c : f32) {
}
@compute @workgroup_size(1)
fn comp_main(@builtin(global_invocation_id) a : vec3<u32>,
${compute_attr} b : vec3<u32>,
@builtin(local_invocation_id) c : vec3<u32>) {
}
`;
t.expectCompileResult(t.params.target_stage === '', code);
});
g.test('missing_attribute_on_param_struct')
.desc(
`Test that an entry point struct parameter without an IO attribute on one of its members is rejected.`
)
.params(u =>
u.combine('target_stage', ['', 'vertex', 'fragment', 'compute'] as const).beginSubcases()
)
.fn(t => {
const vertex_attr = t.params.target_stage === 'vertex' ? '' : '@location(1)';
const fragment_attr = t.params.target_stage === 'fragment' ? '' : '@location(1)';
const compute_attr = t.params.target_stage === 'compute' ? '' : '@builtin(workgroup_id)';
const code = `
struct VertexInputs {
@location(0) a : f32,
${vertex_attr} b : f32,
@ location(2) c : f32,
};
struct FragmentInputs {
@location(0) a : f32,
${fragment_attr} b : f32,
@ location(2) c : f32,
};
struct ComputeInputs {
@builtin(global_invocation_id) a : vec3<u32>,
${compute_attr} b : vec3<u32>,
@builtin(local_invocation_id) c : vec3<u32>,
};
@vertex
fn vert_main(inputs : VertexInputs) -> @builtin(position) vec4<f32> {
return vec4<f32>();
}
@fragment
fn frag_main(inputs : FragmentInputs) {
}
@compute @workgroup_size(1)
fn comp_main(inputs : ComputeInputs) {
}
`;
t.expectCompileResult(t.params.target_stage === '', code);
});
g.test('missing_attribute_on_return_type')
.desc(`Test that an entry point without an IO attribute on its return type is rejected.`)
.params(u => u.combine('target_stage', ['', 'vertex', 'fragment'] as const).beginSubcases())
.fn(t => {
const vertex_attr = t.params.target_stage === 'vertex' ? '' : '@builtin(position)';
const fragment_attr = t.params.target_stage === 'fragment' ? '' : '@location(0)';
const code = `
@vertex
fn vert_main() -> ${vertex_attr} vec4<f32> {
return vec4<f32>();
}
@fragment
fn frag_main() -> ${fragment_attr} vec4<f32> {
return vec4<f32>();
}
`;
t.expectCompileResult(t.params.target_stage === '', code);
});
g.test('missing_attribute_on_return_type_struct')
.desc(
`Test that an entry point struct return type without an IO attribute on one of its members is rejected.`
)
.params(u => u.combine('target_stage', ['', 'vertex', 'fragment'] as const).beginSubcases())
.fn(t => {
const vertex_attr = t.params.target_stage === 'vertex' ? '' : '@location(1)';
const fragment_attr = t.params.target_stage === 'fragment' ? '' : '@location(1)';
const code = `
struct VertexOutputs {
@location(0) a : f32,
${vertex_attr} b : f32,
@builtin(position) c : vec4<f32>,
};
struct FragmentOutputs {
@location(0) a : f32,
${fragment_attr} b : f32,
@ location(2) c : f32,
};
@vertex
fn vert_main() -> VertexOutputs {
return VertexOutputs();
}
@fragment
fn frag_main() -> FragmentOutputs {
return FragmentOutputs();
}
`;
t.expectCompileResult(t.params.target_stage === '', code);
});
g.test('no_entry_point_provided')
.desc(`Tests that a shader without an entry point is accepted`)
.fn(t => {
t.expectCompileResult(true, 'fn main() {}');
});
|
