Method constructor

tfjs-backend-webgl/src/unpack_gpu.ts:30–49

(outputShape: number[])

  enableShapeUniforms: boolean;

  constructor(outputShape: number[]) {
    this.outputShape = outputShape;
    this.enableShapeUniforms = useShapeUniforms(this.outputShape.length);
    const rank = outputShape.length;

    const channels = getChannels('rc', rank);
    const dtype = getCoordsDataType(rank);
    const sourceCoords = getSourceCoords(rank, channels);
    const innerDims = channels.slice(-2);
    const coords = rank <= 1 ? 'rc' : `vec2(${innerDims.join(',')})`;

    this.userCode = `
      void main() {
        ${dtype} rc = getOutputCoords();
        vec4 packedInput = getA(${sourceCoords});

        setOutput(getChannel(packedInput, ${coords}));
      }
    `;
  }
}