"use strict";
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/**
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* @license
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* Copyright 2018 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 glsl_version_1 = require("../../glsl_version");
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var FromPixelsPackedProgram = /** @class */ (function () {
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function FromPixelsPackedProgram(outputShape) {
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this.variableNames = ['A'];
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this.packedInputs = false;
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this.packedOutput = true;
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var glsl = glsl_version_1.getGlslDifferences();
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var height = outputShape[0], width = outputShape[1];
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this.outputShape = outputShape;
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this.userCode = "\n void main() {\n ivec3 coords = getOutputCoords();\n int texR = coords[0];\n int texC = coords[1];\n int depth = coords[2];\n\n vec4 result = vec4(0.);\n\n for(int row=0; row<=1; row++) {\n for(int col=0; col<=1; col++) {\n texC = coords[1] + row;\n depth = coords[2] + col;\n\n vec2 uv = (vec2(texC, texR) + halfCR) /\n vec2(" + width + ".0, " + height + ".0);\n vec4 values = " + glsl.texture2D + "(A, uv);\n float value;\n if (depth == 0) {\n value = values.r;\n } else if (depth == 1) {\n value = values.g;\n } else if (depth == 2) {\n value = values.b;\n } else if (depth == 3) {\n value = values.a;\n }\n\n result[row * 2 + col] = floor(value * 255.0 + 0.5);\n }\n }\n\n " + glsl.output + " = result;\n }\n ";
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}
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return FromPixelsPackedProgram;
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}());
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exports.FromPixelsPackedProgram = FromPixelsPackedProgram;
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//# sourceMappingURL=from_pixels_packed_gpu.js.map
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