playcanvas/build/playcanvas.prf/src/scene/gsplat-unified/gsplat-renderer.js

Open-source WebGL/WebGPU 3D engine for the web

import gsplatOutputVS from '../shader-lib/wgsl/chunks/gsplat/vert/gsplatOutput.js';
import { shaderChunksWGSL } from '../shader-lib/wgsl/collections/shader-chunks-wgsl.js';
import { FisheyeProjection } from '../graphics/fisheye-projection.js';

class GSplatRenderer {
		destroy() {}
		setRenderMode(renderMode) {
				this.renderMode = renderMode;
		}
		get material() {
				return null;
		}
		setDataSource(source) {
				this.workBuffer = source;
				this.onWorkBufferFormatChanged();
		}
		onWorkBufferFormatChanged() {}
		update(count, textureSize) {}
		setGpuSortedRendering(drawSlot, sortedIds, numSplatsBuffer, textureSize) {}
		setCpuSortedRendering() {}
		setOrderData() {}
		frameUpdate(params, exposure, fogParams) {}
		updateOverdrawMode(params) {}
		_createTonemapIncludes(cincludes) {
				cincludes.set('gsplatOutputVS', gsplatOutputVS);
				const chunkNames = [
						'tonemappingPS',
						'tonemappingNonePS',
						'tonemappingLinearPS',
						'tonemappingFilmicPS',
						'tonemappingHejlPS',
						'tonemappingAcesPS',
						'tonemappingAces2PS',
						'tonemappingNeutralPS',
						'decodePS',
						'gammaPS'
				];
				for (const name of chunkNames){
						cincludes.set(name, shaderChunksWGSL[name]);
				}
		}
		constructor(device, node, cameraNode, layer, workBuffer){
				this._workBufferFormatVersion = -1;
				this.fisheyeProj = new FisheyeProjection();
				this.device = device;
				this.node = node;
				this.cameraNode = cameraNode;
				this.layer = layer;
				this.workBuffer = workBuffer;
				this._workBufferFormatVersion = workBuffer?.format.extraStreamsVersion ?? -1;
		}
}

export { GSplatRenderer };