/**
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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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import {GPGPUContext} from './gpgpu_context';
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import {GPGPUProgram} from './gpgpu_math';
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export class FillProgram implements GPGPUProgram {
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variableNames: string[];
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outputShape: number[] = [];
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userCode: string;
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valueLoc: WebGLUniformLocation;
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constructor(shape: number[], value: number) {
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this.variableNames = ['x'];
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this.outputShape = shape;
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this.userCode = `
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uniform float value;
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void main() {
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// Input can be obtained from uniform value.
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setOutput(value);
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}
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`;
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}
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getCustomSetupFunc(value: number) {
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return (gpgpu: GPGPUContext, webGLProgram: WebGLProgram) => {
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if (this.valueLoc == null) {
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this.valueLoc = gpgpu.getUniformLocationNoThrow(webGLProgram, 'value');
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}
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gpgpu.gl.uniform1f(this.valueLoc, value);
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};
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}
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}
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