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fix(desktop): force WebGL repaint on load and fall back to DOM after context loss #3477

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fix(desktop): force WebGL repaint on load and fall back to DOM after context loss #3477

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4 changes: 4 additions & 0 deletions apps/desktop/src/renderer/lib/terminal/terminal-addons.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -51,9 +51,13 @@ export function loadAddons(terminal: XTerm): LoadAddonsResult {
webglAddon.onContextLoss(() => {
webglAddon?.dispose();
webglAddon = null;
suggestedRendererType = "dom";
terminal.refresh(0, terminal.rows - 1);
});
terminal.loadAddon(webglAddon);
// Force a full repaint so the WebGL renderer renders all
// existing content, including wide/CJK characters.
terminal.refresh(0, terminal.rows - 1);
} catch {
suggestedRendererType = "dom";
webglAddon = null;
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4 changes: 4 additions & 0 deletions ...enderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/helpers.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -148,9 +148,13 @@ export function createTerminalInWrapper(options: CreateTerminalOptions = {}): {
webglAddon.onContextLoss(() => {
webglAddon?.dispose();
webglAddon = null;
suggestedRendererType = "dom";
xterm.refresh(0, xterm.rows - 1);
});
xterm.loadAddon(webglAddon);
// Force a full repaint so the WebGL renderer renders all
// existing content, including wide/CJK characters.
xterm.refresh(0, xterm.rows - 1);
} catch {
suggestedRendererType = "dom";
webglAddon = null;
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