Function extent3DMipLevelSize

webgpu/texture_with_data.ts:69–82

(
  size: GPUExtent3D,
  level: number,
  is3D: boolean,
)

}

function extent3DMipLevelSize(
  size: GPUExtent3D,
  level: number,
  is3D: boolean,
): GPUExtent3DDict {
  const nSize = normalizeExtent3D(size);
  return {
    height: Math.max(1, nSize.width >> level),
    width: Math.max(1, (nSize.height ?? 1) >> level),
    depthOrArrayLayers: is3D
      ? Math.max(1, (nSize.depthOrArrayLayers ?? 1) >> level)
      : (nSize.depthOrArrayLayers ?? 1),
  };
}

function textureMipLevelSize(
  descriptor: GPUTextureDescriptor,