From f6ce7176b2e32d33a373f29f8d1c4516089d41fe Mon Sep 17 00:00:00 2001
From: Asger Finding <asger.finding@gmail.com>
Date: Wed, 28 Oct 2026 15:30:49 +0100
Subject: [PATCH] Add GameConfig.antialiasGL

---
 CHANGELOG.md                              | 10 ++++++++++
 src/core/Game.js                          |  1 +
 src/pixi/renderers/webgl/WebGLRenderer.js |  2 +-
 typescript/phaser.d.ts                    |  1 +
 4 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 48001f36a..69941ed7b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Change Log
 
+## Unreleased
+
+### New Features
+
+- The game config now has an `antialiasGL` option for the WebGL context's `antialias` attribute, separate from texture smoothing.
+
+### Thanks
+
+@asger-finding
+
 ## Version 2.21.0 - 23 October 2026
 
 ### New Features
diff --git a/src/core/Game.js b/src/core/Game.js
index 5688d8e41..ea270035d 100644
--- a/src/core/Game.js
+++ b/src/core/Game.js
@@ -564,6 +564,7 @@ Phaser.Game = function (width, height, renderer, parent, state, transparent, ant
  * @property {boolean}            [GameConfig.alignH=false]                  - Sets {@link Phaser.ScaleManager#pageAlignHorizontally}.
  * @property {boolean}            [GameConfig.alignV=false]                  - Sets {@link Phaser.ScaleManager#pageAlignVertically}.
  * @property {boolean}            [GameConfig.antialias=true]
+ * @property {boolean}            [GameConfig.antialiasGL]                   - Sets the WebGL context's `antialias` attribute separately from texture smoothing. Defaults to `antialias`.
  * @property {number|string}      [GameConfig.backgroundColor=0]             - Sets {@link Phaser.Stage#backgroundColor}.
  * @property {HTMLCanvasElement}  [GameConfig.canvas]                        - An existing canvas to display the game in.
  * @property {string}             [GameConfig.canvasID]                      - `id` attribute value to assign to the game canvas.
diff --git a/src/pixi/renderers/webgl/WebGLRenderer.js b/src/pixi/renderers/webgl/WebGLRenderer.js
index 97dcff4d3..3c84a8bb5 100644
--- a/src/pixi/renderers/webgl/WebGLRenderer.js
+++ b/src/pixi/renderers/webgl/WebGLRenderer.js
@@ -117,7 +117,7 @@ PIXI.WebGLRenderer = function (game, config)
      */
     this._contextOptions = {
         alpha: this.transparent,
-        antialias: game.antialias,
+        antialias: (config.antialiasGL === undefined) ? game.antialias : config.antialiasGL,
         failIfMajorPerformanceCaveat: config.failIfMajorPerformanceCaveat,
         premultipliedAlpha: this.transparent && this.transparent !== 'notMultiplied',
         stencil: true,
diff --git a/typescript/phaser.d.ts b/typescript/phaser.d.ts
index 3b6c9ee0a..1a819ad4a 100644
--- a/typescript/phaser.d.ts
+++ b/typescript/phaser.d.ts
@@ -1474,6 +1474,7 @@ declare module Phaser {
         alignH?: boolean;
         alignV?: boolean;
         antialias?: boolean;
+        antialiasGL?: boolean;
         backgroundColor?: number | string;
         canvas?: HTMLCanvasElement;
         canvasId?: string;