@pixi/core/lib/Renderer.mjs

import { RENDERER_TYPE } from '@pixi/constants';
import { ExtensionType, extensions } from '@pixi/extensions';
import { Matrix } from '@pixi/math';
import { settings } from '@pixi/settings';
import { deprecation, isWebGLSupported } from '@pixi/utils';
import { UniformGroup } from './shader/UniformGroup.mjs';
import { SystemManager } from './system/SystemManager.mjs';

const _Renderer = class extends SystemManager {
  constructor(options) {
    super();
    this.type = RENDERER_TYPE.WEBGL;
    options = Object.assign({}, settings.RENDER_OPTIONS, options);
    this.gl = null;
    this.CONTEXT_UID = 0;
    this.globalUniforms = new UniformGroup({
      projectionMatrix: new Matrix()
    }, true);
    const systemConfig = {
      runners: [
        "init",
        "destroy",
        "contextChange",
        "resolutionChange",
        "reset",
        "update",
        "postrender",
        "prerender",
        "resize"
      ],
      systems: _Renderer.__systems,
      priority: [
        "_view",
        "textureGenerator",
        "background",
        "_plugin",
        "startup",
        "context",
        "state",
        "texture",
        "buffer",
        "geometry",
        "framebuffer",
        "transformFeedback",
        "mask",
        "scissor",
        "stencil",
        "projection",
        "textureGC",
        "filter",
        "renderTexture",
        "batch",
        "objectRenderer",
        "_multisample"
      ]
    };
    this.setup(systemConfig);
    if ("useContextAlpha" in options) {
      deprecation("7.0.0", "options.useContextAlpha is deprecated, use options.premultipliedAlpha and options.backgroundAlpha instead");
      options.premultipliedAlpha = options.useContextAlpha && options.useContextAlpha !== "notMultiplied";
      options.backgroundAlpha = options.useContextAlpha === false ? 1 : options.backgroundAlpha;
    }
    this._plugin.rendererPlugins = _Renderer.__plugins;
    this.options = options;
    this.startup.run(this.options);
  }
  static test(options) {
    if (options?.forceCanvas) {
      return false;
    }
    return isWebGLSupported();
  }
  render(displayObject, options) {
    this.objectRenderer.render(displayObject, options);
  }
  resize(desiredScreenWidth, desiredScreenHeight) {
    this._view.resizeView(desiredScreenWidth, desiredScreenHeight);
  }
  reset() {
    this.runners.reset.emit();
    return this;
  }
  clear() {
    this.renderTexture.bind();
    this.renderTexture.clear();
  }
  destroy(removeView = false) {
    this.runners.destroy.items.reverse();
    this.emitWithCustomOptions(this.runners.destroy, {
      _view: removeView
    });
    super.destroy();
  }
  get plugins() {
    return this._plugin.plugins;
  }
  get multisample() {
    return this._multisample.multisample;
  }
  get width() {
    return this._view.element.width;
  }
  get height() {
    return this._view.element.height;
  }
  get resolution() {
    return this._view.resolution;
  }
  set resolution(value) {
    this._view.resolution = value;
    this.runners.resolutionChange.emit(value);
  }
  get autoDensity() {
    return this._view.autoDensity;
  }
  get view() {
    return this._view.element;
  }
  get screen() {
    return this._view.screen;
  }
  get lastObjectRendered() {
    return this.objectRenderer.lastObjectRendered;
  }
  get renderingToScreen() {
    return this.objectRenderer.renderingToScreen;
  }
  get rendererLogId() {
    return `WebGL ${this.context.webGLVersion}`;
  }
  get clearBeforeRender() {
    deprecation("7.0.0", "renderer.clearBeforeRender has been deprecated, please use renderer.background.clearBeforeRender instead.");
    return this.background.clearBeforeRender;
  }
  get useContextAlpha() {
    deprecation("7.0.0", "renderer.useContextAlpha has been deprecated, please use renderer.context.premultipliedAlpha instead.");
    return this.context.useContextAlpha;
  }
  get preserveDrawingBuffer() {
    deprecation("7.0.0", "renderer.preserveDrawingBuffer has been deprecated, we cannot truly know this unless pixi created the context");
    return this.context.preserveDrawingBuffer;
  }
  get backgroundColor() {
    deprecation("7.0.0", "renderer.backgroundColor has been deprecated, use renderer.background.color instead.");
    return this.background.color;
  }
  set backgroundColor(value) {
    deprecation("7.0.0", "renderer.backgroundColor has been deprecated, use renderer.background.color instead.");
    this.background.color = value;
  }
  get backgroundAlpha() {
    deprecation("7.0.0", "renderer.backgroundAlpha has been deprecated, use renderer.background.alpha instead.");
    return this.background.alpha;
  }
  set backgroundAlpha(value) {
    deprecation("7.0.0", "renderer.backgroundAlpha has been deprecated, use renderer.background.alpha instead.");
    this.background.alpha = value;
  }
  get powerPreference() {
    deprecation("7.0.0", "renderer.powerPreference has been deprecated, we can only know this if pixi creates the context");
    return this.context.powerPreference;
  }
  generateTexture(displayObject, options) {
    return this.textureGenerator.generateTexture(displayObject, options);
  }
};
let Renderer = _Renderer;
Renderer.extension = {
  type: ExtensionType.Renderer,
  priority: 1
};
Renderer.__plugins = {};
Renderer.__systems = {};
extensions.handleByMap(ExtensionType.RendererPlugin, Renderer.__plugins);
extensions.handleByMap(ExtensionType.RendererSystem, Renderer.__systems);
extensions.add(Renderer);

export { Renderer };
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