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const builtin = 'textureSampleBaseClampToEdge';
export const description = `
Validation tests for the ${builtin}() builtin.
* test textureSampleBaseClampToEdge coords parameter must be correct type
`;
import { makeTestGroup } from '../../../../../../common/framework/test_group.js';
import { keysOf, objectsToRecord } from '../../../../../../common/util/data_tables.js';
import {
Type,
kAllScalarsAndVectors,
isConvertible,
isUnsignedType,
} from '../../../../../util/conversion.js';
import { ShaderValidationTest } from '../../../shader_validation_test.js';
const kTextureSampleBaseClampToEdgeTextureTypes = ['texture_2d<f32>', 'texture_external'] as const;
const kValuesTypes = objectsToRecord(kAllScalarsAndVectors);
export const g = makeTestGroup(ShaderValidationTest);
g.test('coords_argument')
.specURL('https://gpuweb.github.io/gpuweb/wgsl/#texturesamplebaseclamptoedge')
.desc(
`
Validates that only incorrect coords arguments are rejected by ${builtin}
`
)
.params(u =>
u
.combine('textureType', kTextureSampleBaseClampToEdgeTextureTypes)
.combine('coordType', keysOf(kValuesTypes))
.beginSubcases()
.combine('value', [-1, 0, 1] as const)
// filter out unsigned types with negative values
.filter(t => !isUnsignedType(kValuesTypes[t.coordType]) || t.value >= 0)
)
.fn(t => {
const { textureType, coordType, value } = t.params;
const coordArgType = kValuesTypes[coordType];
const coordWGSL = coordArgType.create(value).wgsl();
const code = `
@group(0) @binding(0) var s: sampler;
@group(0) @binding(1) var t: ${textureType};
@fragment fn fs() -> @location(0) vec4f {
let v = textureSampleBaseClampToEdge(t, s, ${coordWGSL});
return vec4f(0);
}
`;
const expectSuccess = isConvertible(coordArgType, Type.vec2f);
t.expectCompileResult(expectSuccess, code);
});
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