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Implement blink rendering

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Fixes #944
This commit is contained in:
Daniel Imms
2026-02-03 03:46:21 -08:00
parent 8f9045ed88
commit 8a00898533
9 changed files with 176 additions and 42 deletions
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addons/addon-webgl/src/WebglRenderer.ts
+14 -1
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@@ -13,7 +13,8 @@ import { ICharSizeService, ICharacterJoinerService, ICoreBrowserService, IThemeS
import { CharData, IBufferLine, ICellData } from 'common/Types';
import { AttributeData } from 'common/buffer/AttributeData';
import { CellData } from 'common/buffer/CellData';
import { Attributes, Content, NULL_CELL_CHAR, NULL_CELL_CODE } from 'common/buffer/Constants';
import { Attributes, Content, FgFlags, NULL_CELL_CHAR, NULL_CELL_CODE } from 'common/buffer/Constants';
import { TextBlinkStateManager } from 'browser/renderer/shared/TextBlinkStateManager';
import { ICoreService, IDecorationService, IOptionsService } from 'common/services/Services';
import { Terminal } from '@xterm/xterm';
import { GlyphRenderer } from './GlyphRenderer';
@@ -30,6 +31,7 @@ import { createRenderDimensions } from 'browser/renderer/shared/RendererUtils';
export class WebglRenderer extends Disposable implements IRenderer {
private _renderLayers: IRenderLayer[];
private _cursorBlinkStateManager: MutableDisposable<CursorBlinkStateManager> = new MutableDisposable();
private _textBlinkStateManager: TextBlinkStateManager;
private _charAtlasDisposable = this._register(new MutableDisposable());
private _charAtlas: ITextureAtlas | undefined;
private _devicePixelRatio: number;
@@ -105,6 +107,12 @@ export class WebglRenderer extends Disposable implements IRenderer {
this._updateDimensions();
this._updateCursorBlink();
this._register(_optionsService.onOptionChange(() => this._handleOptionsChanged()));
this._textBlinkStateManager = new TextBlinkStateManager(
() => this._requestRedrawViewport(),
this._coreBrowserService
);
this._textBlinkStateManager.setIntervalDuration(this._optionsService.rawOptions.blinkIntervalDuration);
this._register(toDisposable(() => this._textBlinkStateManager.dispose()));
this._deviceMaxTextureSize = this._gl.getParameter(this._gl.MAX_TEXTURE_SIZE);
@@ -250,6 +258,7 @@ export class WebglRenderer extends Disposable implements IRenderer {
this._updateDimensions();
this._refreshCharAtlas();
this._updateCursorBlink();
this._textBlinkStateManager.setIntervalDuration(this._optionsService.rawOptions.blinkIntervalDuration);
}
/**
@@ -506,6 +515,10 @@ export class WebglRenderer extends Disposable implements IRenderer {
}
}
if (this._textBlinkStateManager.isEnabled && !this._textBlinkStateManager.isBlinkOn && cell.isBlink()) {
this._cellColorResolver.result.fg |= FgFlags.INVISIBLE;
}
if (code !== NULL_CELL_CODE) {
this._model.lineLengths[y] = x + 1;
}