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Free WebglAddon

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This commit is contained in:
Daniel Imms
2022-10-08 07:37:55 -07:00
parent fc8043a25a
commit 56b37a73ac
1 changed files with 18 additions and 20 deletions
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addons/xterm-addon-webgl/src/WebglAddon.ts
+18 -20
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@@ -10,8 +10,9 @@ import { IColorSet } from 'browser/Types';
import { EventEmitter, forwardEvent } from 'common/EventEmitter';
import { isSafari } from 'common/Platform';
import { ICoreService, IDecorationService } from 'common/services/Services';
import { Disposable, toDisposable } from 'common/Lifecycle';
export class WebglAddon implements ITerminalAddon {
export class WebglAddon extends Disposable implements ITerminalAddon {
private _terminal?: Terminal;
private _renderer?: WebglRenderer;
@@ -22,17 +23,19 @@ export class WebglAddon implements ITerminalAddon {
constructor(
private _preserveDrawingBuffer?: boolean
) {}
) {
super();
}
public activate(terminal: Terminal): void {
const core = (terminal as any)._core;
if (!terminal.element) {
core.onWillOpen(() => this.activate(terminal));
return;
}
if (isSafari) {
throw new Error('Webgl is not currently supported on Safari');
}
const core = (terminal as any)._core;
if (!terminal.element) {
this.register(core.onWillOpen(() => this.activate(terminal)));
return;
}
this._terminal = terminal;
const renderService: IRenderService = core._renderService;
const characterJoinerService: ICharacterJoinerService = core._characterJoinerService;
@@ -40,21 +43,16 @@ export class WebglAddon implements ITerminalAddon {
const coreService: ICoreService = core.coreService;
const decorationService: IDecorationService = core._decorationService;
const colors: IColorSet = core._colorManager.colors;
this._renderer = new WebglRenderer(terminal, colors, characterJoinerService, coreBrowserService, coreService, decorationService, this._preserveDrawingBuffer);
forwardEvent(this._renderer.onContextLoss, this._onContextLoss);
forwardEvent(this._renderer.onChangeTextureAtlas, this._onChangeTextureAtlas);
this._renderer = this.register(new WebglRenderer(terminal, colors, characterJoinerService, coreBrowserService, coreService, decorationService, this._preserveDrawingBuffer));
this.register(forwardEvent(this._renderer.onContextLoss, this._onContextLoss));
this.register(forwardEvent(this._renderer.onChangeTextureAtlas, this._onChangeTextureAtlas));
renderService.setRenderer(this._renderer);
}
public dispose(): void {
if (!this._terminal) {
throw new Error('Cannot dispose WebglAddon because it is activated');
}
const renderService: IRenderService = (this._terminal as any)._core._renderService;
renderService.setRenderer((this._terminal as any)._core._createRenderer());
renderService.onResize(this._terminal.cols, this._terminal.rows);
this._renderer?.dispose();
this._renderer = undefined;
this.register(toDisposable(() => {
const renderService: IRenderService = (this._terminal as any)._core._renderService;
renderService.setRenderer((this._terminal as any)._core._createRenderer());
renderService.onResize(terminal.cols, terminal.rows);
}));
}
public get textureAtlas(): HTMLCanvasElement | undefined {