From 6043fa149a678ebdf5709b3f9f2ac241db9300d4 Mon Sep 17 00:00:00 2001
From: Chris Chudzicki <christopher.chudzicki@gmail.com>
Date: Fri, 5 May 2023 06:22:45 -0400
Subject: [PATCH] replace RGBFormat with explicit undefined

RGBFormat was removed in ThreeJS r137. Replacing with explicit undefined silences some build warnings and preserves existing behavior (including any bugs)

See https://github.com/unconed/mathbox/issues/64
---
 src/render/buffer/memo.js                | 1 +
 src/render/buffer/texture/datatexture.js | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/render/buffer/memo.js b/src/render/buffer/memo.js
index 63533f9..238e7a2 100644
--- a/src/render/buffer/memo.js
+++ b/src/render/buffer/memo.js
@@ -22,6 +22,7 @@ export class Memo extends RenderToTexture {
     const height = options.height || 1;
     const depth = options.depth || 1;
 
+    // RGBFormat was removed in r137 of ThreeJS
     //options.format = [null, THREE.LuminanceFormat, THREE.LuminanceAlphaFormat, THREE.RGBFormat, THREE.RGBAFormat][@channels]
     options.format = RGBAFormat;
     options.width = _width = items * width;
diff --git a/src/render/buffer/texture/datatexture.js b/src/render/buffer/texture/datatexture.js
index 52c61e9..e412ed8 100644
--- a/src/render/buffer/texture/datatexture.js
+++ b/src/render/buffer/texture/datatexture.js
@@ -67,7 +67,7 @@ export class DataTexture {
       null,
       CONST.LuminanceFormat,
       CONST.LuminanceAlphaFormat,
-      CONST.RGBFormat,
+      undefined // CONST.RGBFormat was removed in r137 of ThreeJS
       CONST.RGBAFormat,
     ][this.channels];