@tensorflow/tfjs-core
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Hardware-accelerated JavaScript library for machine intelligence
31 lines • 1.93 kB
JavaScript
"use strict";
/**
* @license
* Copyright 2018 Google Inc. 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.
* =============================================================================
*/
Object.defineProperty(exports, "__esModule", { value: true });
var glsl_version_1 = require("./glsl_version");
var FromPixelsProgram = /** @class */ (function () {
function FromPixelsProgram(outputShape) {
this.variableNames = ['A'];
var glsl = glsl_version_1.getGlslDifferences();
var height = outputShape[0], width = outputShape[1];
this.outputShape = outputShape;
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 vec2 uv = (vec2(texC, texR) + halfCR) / vec2(" + width + ".0, " + height + ".0);\n\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 setOutput(floor(value * 255.0 + 0.5));\n }\n ";
}
return FromPixelsProgram;
}());
exports.FromPixelsProgram = FromPixelsProgram;
//# sourceMappingURL=from_pixels_gpu.js.map