gx

chenyc

2025-06-12 7b72ac13a83764a662159d4a49b7fffb90476ecb

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/**
 * @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
import { env, PadV2, util } from '@tensorflow/tfjs-core';
import { PadProgram } from '../pad_gpu';
import { PadPackedProgram } from '../pad_packed_gpu';
import { fill } from './Fill';
export const padV2 = (args) => {
    const { inputs, backend, attrs } = args;
    const { x } = inputs;
    const { paddings, constantValue } = attrs;
    if (util.sizeFromShape(x.shape) === 0) {
        // Short-circuit the computation, since x doesn't have value, only
        // the shape is used to compute output shape to pad.
        const outputShape = paddings.map((p, i) => p[0] /* beforePad */ + x.shape[i] + p[1] /* afterPad */);
        return fill({
            backend,
            attrs: { shape: outputShape, value: constantValue, dtype: x.dtype }
        });
    }
    const program = env().getBool('WEBGL_PACK_ARRAY_OPERATIONS') ?
        new PadPackedProgram(x.shape, paddings, constantValue) :
        new PadProgram(x.shape, paddings, constantValue);
    const customValues = [[constantValue]];
    return backend.runWebGLProgram(program, [x], x.dtype, customValues);
};
export const padV2Config = {
    kernelName: PadV2,
    backendName: 'webgl',
    kernelFunc: padV2
};
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