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2025-02-12 ea42ff3ebee1eeb3fb29423aa848a249441db81c

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/**
 * @license
 * Copyright 2018 Google LLC. 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.
 * =============================================================================
 */
import { getGlslDifferences } from './glsl_version';
import { ENCODE_FLOAT_SNIPPET } from './shader_compiler_util';
import { TextureUsage } from './tex_util';
export class EncodeFloatPackedProgram {
    constructor(outputShape) {
        this.variableNames = ['A'];
        this.packedInputs = true;
        this.packedOutput = false;
        this.outTexUsage = TextureUsage.DOWNLOAD;
        const glsl = getGlslDifferences();
        this.outputShape = outputShape;
        this.userCode = `
      ${ENCODE_FLOAT_SNIPPET}
 
      void main() {
        ivec3 coords = getOutputCoords();
        float x = getChannel(getAAtOutCoords(), vec2(coords.y, coords.z));
        ${glsl.output} = encode_float(x);
      }
    `;
    }
}
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