From baa5f33407da81463196cde7639592d1fc984494 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Mon, 23 Feb 2026 10:03:15 +0100
Subject: fix preview perf issues

---
 apps/web/src/services/renderer/scene-builder.ts | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'apps/web/src/services/renderer/scene-builder.ts')

diff --git a/apps/web/src/services/renderer/scene-builder.ts b/apps/web/src/services/renderer/scene-builder.ts
index ee7f3d6c..530b2eb3 100644
--- a/apps/web/src/services/renderer/scene-builder.ts
+++ b/apps/web/src/services/renderer/scene-builder.ts
@@ -11,12 +11,15 @@ import type { TBackground, TCanvasSize } from "@/types/project";
 import { DEFAULT_BLUR_INTENSITY } from "@/constants/project-constants";
 import { isMainTrack } from "@/lib/timeline";
 
+const PREVIEW_MAX_IMAGE_SIZE = 2048;
+
 export type BuildSceneParams = {
 	canvasSize: TCanvasSize;
 	tracks: TimelineTrack[];
 	mediaAssets: MediaAsset[];
 	duration: number;
 	background: TBackground;
+	isPreview?: boolean;
 };
 
 export function buildScene(params: BuildSceneParams) {
@@ -81,6 +84,9 @@ export function buildScene(params: BuildSceneParams) {
 							transform: element.transform,
 							opacity: element.opacity,
 							blendMode: element.blendMode,
+							...(params.isPreview && {
+								maxSourceSize: PREVIEW_MAX_IMAGE_SIZE,
+							}),
 						}),
 					);
 				}
-- 
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