@animech-public/playcanvas/build/playcanvas.dbg/src/platform/graphics/webgpu/webgpu-pipeline.js

PlayCanvas WebGL game engine

import { TRACEID_PIPELINELAYOUT_ALLOC } from '../../../core/constants.js';
import { DebugHelper, Debug } from '../../../core/debug.js';

let _layoutId = 0;

/**
 * Base class for render and compute pipelines.
 *
 * @ignore
 */
class WebgpuPipeline {
  constructor(device) {
    /** @type {import('./webgpu-graphics-device.js').WebgpuGraphicsDevice} */
    this.device = device;
  }

  // TODO: this could be cached using bindGroupKey

  /**
   * @param {import('../bind-group-format.js').BindGroupFormat[]} bindGroupFormats - An array
   * of bind group formats.
   * @returns {any} Returns the pipeline layout.
   */
  getPipelineLayout(bindGroupFormats) {
    const bindGroupLayouts = [];
    bindGroupFormats.forEach(format => {
      bindGroupLayouts.push(format.bindGroupLayout);
    });
    const descr = {
      bindGroupLayouts: bindGroupLayouts
    };
    _layoutId++;
    DebugHelper.setLabel(descr, `PipelineLayoutDescr-${_layoutId}`);

    /** @type {GPUPipelineLayout} */
    const pipelineLayout = this.device.wgpu.createPipelineLayout(descr);
    DebugHelper.setLabel(pipelineLayout, `PipelineLayout-${_layoutId}`);
    Debug.trace(TRACEID_PIPELINELAYOUT_ALLOC, `Alloc: Id ${_layoutId}`, {
      descr,
      bindGroupFormats
    });
    return pipelineLayout;
  }
}

export { WebgpuPipeline };