From 6c9e055aaeb4f543724b1fdf85c2fdb3c0670fc2 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Thu, 5 Jun 2025 15:05:00 +0900
Subject: [PATCH] add note

---
 packages/frontend/src/utility/image-effector/ImageEffector.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/frontend/src/utility/image-effector/ImageEffector.ts b/packages/frontend/src/utility/image-effector/ImageEffector.ts
index 46136094f5..85dc5d5266 100644
--- a/packages/frontend/src/utility/image-effector/ImageEffector.ts
+++ b/packages/frontend/src/utility/image-effector/ImageEffector.ts
@@ -134,6 +134,8 @@ export class ImageEffector<IEX extends ReadonlyArray<ImageEffectorFx<any, any, a
 			}
 		`);
 
+		// レジスタ番号はシェーダープログラムに属しているわけではなく、独立の存在なので、とりあえず nopProgram を使って設定する(その後は効果が持続する)
+		// ref. https://qiita.com/emadurandal/items/5966c8374f03d4de3266
 		const positionLocation = gl.getAttribLocation(this.nopProgram, 'position');
 		gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
 		gl.enableVertexAttribArray(positionLocation);