visgl / luma.gl / 17192022436

coverage: 62.079% (-13.2%) from 75.234%
17192022436

Pull #2437

github

web-flow 
Merge 562c391b0 into 8314ecefa
Pull Request #2437: test(engine): add ShaderPassRenderer test

956 of 1559 branches covered (61.32%)

Branch coverage included in aggregate %.

491 of 666 new or added lines in 7 files covered. (73.72%)

5291 existing lines in 117 files now uncovered.

23238 of 37414 relevant lines covered (62.11%)

3.53 hits per line

Source File
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25.0
/modules/webgl/src/utils/fill-array.ts
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// luma.gl
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// SPDX-License-Identifier: MIT
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// Copyright (c) vis.gl contributors
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import type {NumericArray} from '@math.gl/types';




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// Uses copyWithin to significantly speed up typed array value filling




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export function fillArray(options: {





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  target: NumericArray;




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  source: NumericArray;




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  start?: number;




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  count?: number;




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}): NumericArray {




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  const {target, source, start = 0, count = 1} = options;




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  const length = source.length;




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  const total = count * length;




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  let copied = 0;




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  for (let i = start; copied < length; copied++) {




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    target[i++] = source[copied];




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  }




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  while (copied < total) {




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    // If we have copied less than half, copy everything we got




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    // else copy remaining in one operation




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    if (copied < total - copied) {




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      target.copyWithin(start + copied, start, start + copied);




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      copied *= 2;




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    } else {




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      target.copyWithin(start + copied, start, start + total - copied);




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      copied = total;




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    }




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  }




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  return options.target;




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}




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