@pixi/core/lib/shader/utils/setPrecision.mjs

Core PixiJS

import { PRECISION } from '@pixi/constants';

function setPrecision(src, requestedPrecision, maxSupportedPrecision) {
  if (src.substring(0, 9) !== "precision") {
    let precision = requestedPrecision;
    if (requestedPrecision === PRECISION.HIGH && maxSupportedPrecision !== PRECISION.HIGH) {
      precision = PRECISION.MEDIUM;
    }
    return `precision ${precision} float;
${src}`;
  } else if (maxSupportedPrecision !== PRECISION.HIGH && src.substring(0, 15) === "precision highp") {
    return src.replace("precision highp", "precision mediump");
  }
  return src;
}

export { setPrecision };
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