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 { ReshapePackedProgram } from '../reshape_packed_gpu';
import { getBatchDim, getRowsCols } from '../webgl_util';
export function packedReshape(input, afterShape, backend) {
    const input3DShape = [getBatchDim(input.shape),
        ...getRowsCols(input.shape)];
    const input3D = {
        dtype: input.dtype,
        shape: input3DShape,
        dataId: input.dataId
    };
    const afterShapeAs3D = [getBatchDim(afterShape),
        ...getRowsCols(afterShape)];
    const program = new ReshapePackedProgram(afterShapeAs3D, input3DShape);
    const preventEagerUnpackingOfOutput = true;
    const customValues = [input3DShape];
    const output = backend.runWebGLProgram(program, [input3D], input.dtype, customValues, preventEagerUnpackingOfOutput);
    return { dataId: output.dataId, shape: afterShape, dtype: output.dtype };
}
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