playcanvas/build/playcanvas.prf/src/scene/renderer/render-pass-shadow-directional.js

PlayCanvas WebGL game engine

import { RenderPass } from '../../platform/graphics/render-pass.js';
import { SHADOWUPDATE_NONE, SHADOWUPDATE_THISFRAME } from '../constants.js';

class RenderPassShadowDirectional extends RenderPass {
		constructor(device, shadowRenderer, light, camera, allCascadesRendering){
				super(device);
				this.shadowRenderer = shadowRenderer;
				this.light = light;
				this.camera = camera;
				this.allCascadesRendering = allCascadesRendering;
		}
		execute() {
				const { light, camera, shadowRenderer, allCascadesRendering } = this;
				const faceCount = light.numShadowFaces;
				const shadowUpdateOverrides = light.shadowUpdateOverrides;
				for(let face = 0; face < faceCount; face++){
						if (shadowUpdateOverrides?.[face] !== SHADOWUPDATE_NONE) {
								shadowRenderer.renderFace(light, camera, face, !allCascadesRendering);
						}
						if (shadowUpdateOverrides?.[face] === SHADOWUPDATE_THISFRAME) {
								shadowUpdateOverrides[face] = SHADOWUPDATE_NONE;
						}
				}
		}
		after() {
				this.shadowRenderer.renderVsm(this.light, this.camera);
		}
}

export { RenderPassShadowDirectional };