for (let shaderType of shaderTypes) {
          for (let precisionType of precisionTypes) {
            const r = webglContext.getShaderPrecisionFormat(
              shaderType,
              precisionType
            );
            const key = `${shaderType},${precisionType}`;
            result[`${webglContextId}:shaderPrecisionFormats`][key] = {
              rangeMin: r.rangeMin,
              rangeMax: r.rangeMax,
              precision: r.precision,
            };
          }
        }

        retu