"use strict";
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/**
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* @license
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* Copyright 2017 Google Inc. All Rights Reserved.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* =============================================================================
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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var shader_compiler_1 = require("./shader_compiler");
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var PadProgram = /** @class */ (function () {
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function PadProgram(xShape, paddings, constantValue) {
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this.variableNames = ['x'];
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this.outputShape = paddings.map(function (p, i) { return p[0] /* beforePad */ + xShape[i] + p[1]; } /* afterPad */);
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var rank = xShape.length;
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var type = shader_compiler_1.getCoordsDataType(rank);
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var start = paddings.map(function (p) { return p[0]; }).join(',');
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var end = paddings.map(function (p, i) { return p[0] + xShape[i]; }).join(',');
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var unpackedCoords = ['coords[0]', 'coords[1]', 'coords[2]', 'coords[3]'].slice(0, rank);
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if (rank === 1) {
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this.userCode = "\n int start = " + start + ";\n int end = " + end + ";\n\n void main() {\n int outC = getOutputCoords();\n if (outC < start || outC >= end) {\n setOutput(float(" + constantValue + "));\n } else {\n setOutput(getX(outC - start));\n }\n }\n ";
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return;
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}
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this.userCode = "\n " + type + " start = " + type + "(" + start + ");\n " + type + " end = " + type + "(" + end + ");\n\n void main() {\n " + type + " outC = getOutputCoords();\n if (any(lessThan(outC, start)) || any(greaterThanEqual(outC, end))) {\n setOutput(float(" + constantValue + "));\n } else {\n " + type + " coords = outC - start;\n setOutput(getX(" + unpackedCoords + "));\n }\n }\n ";
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}
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return PadProgram;
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}());
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exports.PadProgram = PadProgram;
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//# sourceMappingURL=pad_gpu.js.map
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