"use strict";
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/**
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* @license
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* Copyright 2019 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 packing_util_1 = require("../packing_util");
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var shader_compiler_1 = require("./shader_compiler");
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var TransposePackedProgram = /** @class */ (function () {
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function TransposePackedProgram(aShape, newDim) {
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this.variableNames = ['A'];
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this.packedInputs = true;
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this.packedOutput = true;
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var outputShape = new Array(aShape.length);
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for (var i = 0; i < outputShape.length; i++) {
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outputShape[i] = aShape[newDim[i]];
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}
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this.outputShape = outputShape;
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this.rank = outputShape.length;
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if (this.rank > 6) {
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throw Error("Packed transpose for rank " + this.rank + " is not yet supported.");
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}
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var dtype = shader_compiler_1.getCoordsDataType(this.rank);
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var outputOrder = packing_util_1.getVecChannels('rc', this.rank);
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var switchedOrder = new Array(this.rank);
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for (var i = 0; i < newDim.length; i++) {
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switchedOrder[newDim[i]] = outputOrder[i];
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}
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var innerDims = "vec2(" + switchedOrder.slice(-2).join() + ")";
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var nextColumn = "++" + outputOrder[this.rank - 1] + " < " + outputShape[this.rank - 1];
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var getc = "getChannel(getA(" + switchedOrder.join() + "), " + innerDims + ")";
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this.userCode = "\n void main() {\n " + dtype + " rc = getOutputCoords();\n vec4 result = vec4(0.);\n result[0] = " + getc + ";\n if(" + nextColumn + ") {\n result[1] = " + getc + ";\n }\n --" + outputOrder[this.rank - 1] + ";\n if(++" + outputOrder[this.rank - 2] + " < " + outputShape[this.rank - 2] + ") {\n result[2] = " + getc + ";\n if(" + nextColumn + ") {\n result[3] = " + getc + ";\n }\n }\n setOutput(result);\n }\n ";
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}
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return TransposePackedProgram;
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}());
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exports.TransposePackedProgram = TransposePackedProgram;
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//# sourceMappingURL=transpose_packed_gpu.js.map
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