_renderAggregateData()

in modules/aggregation-layers/src/utils/gpu-grid-aggregation/gpu-grid-aggregator.js [307:379]

• 71 lines of code
• 7 McCabe index (conditional complexity)

  _renderAggregateData(opts) {
    const {
      cellSize,
      projectPoints,
      attributes,
      moduleSettings,
      numCol,
      numRow,
      weights,
      translation,
      scaling
    } = opts;
    const {maxMinFramebuffers, minFramebuffers, maxFramebuffers} = this.state;

    const gridSize = [numCol, numRow];
    const parameters = {
      blend: true,
      depthTest: false,
      blendFunc: [GL.ONE, GL.ONE]
    };
    const uniforms = {
      cellSize,
      gridSize,
      projectPoints,
      translation,
      scaling
    };

    for (const id in weights) {
      const {needMin, needMax} = weights[id];
      const combineMaxMin = needMin && needMax && weights[id].combineMaxMin;
      this._renderToWeightsTexture({
        id,
        parameters,
        moduleSettings,
        uniforms,
        gridSize,
        attributes,
        weights
      });
      if (combineMaxMin) {
        this._renderToMaxMinTexture({
          id,
          parameters: Object.assign({}, parameters, {blendEquation: MAX_MIN_BLEND_EQUATION}),
          gridSize,
          minOrMaxFb: maxMinFramebuffers[id],
          clearParams: {clearColor: [0, 0, 0, MAX_32_BIT_FLOAT]},
          combineMaxMin
        });
      } else {
        if (needMin) {
          this._renderToMaxMinTexture({
            id,
            parameters: Object.assign({}, parameters, {blendEquation: MIN_BLEND_EQUATION}),
            gridSize,
            minOrMaxFb: minFramebuffers[id],
            clearParams: {clearColor: [MAX_32_BIT_FLOAT, MAX_32_BIT_FLOAT, MAX_32_BIT_FLOAT, 0]},
            combineMaxMin
          });
        }
        if (needMax) {
          this._renderToMaxMinTexture({
            id,
            parameters: Object.assign({}, parameters, {blendEquation: MAX_BLEND_EQUATION}),
            gridSize,
            minOrMaxFb: maxFramebuffers[id],
            clearParams: {clearColor: [0, 0, 0, 0]},
            combineMaxMin
          });
        }
      }
    }
  }