From 0727559aa1e7bb1b2e770cf08f38d9060c9fd588 Mon Sep 17 00:00:00 2001
From: "Blue (Lukas Rieger)" <TBlueF@users.noreply.github.com>
Date: Sun, 21 Mar 2021 13:35:59 +0100
Subject: [PATCH] Fix safari (webgl1) compatibility problem

---
 src/map/hires/HiresFragmentShader.js   | 4 ++++
 src/map/lowres/LowresFragmentShader.js | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/map/hires/HiresFragmentShader.js b/src/map/hires/HiresFragmentShader.js
index c1cc31e..c63235a 100644
--- a/src/map/hires/HiresFragmentShader.js
+++ b/src/map/hires/HiresFragmentShader.js
@@ -27,6 +27,10 @@ import { ShaderChunk } from 'three';
 export const HIRES_FRAGMENT_SHADER = `
 ${ShaderChunk.logdepthbuf_pars_fragment}
 
+#ifndef texture
+	#define texture texture2D
+#endif
+
 uniform sampler2D textureImage;
 uniform float sunlightStrength;
 uniform float ambientLight;
diff --git a/src/map/lowres/LowresFragmentShader.js b/src/map/lowres/LowresFragmentShader.js
index 318c661..ff27f7b 100644
--- a/src/map/lowres/LowresFragmentShader.js
+++ b/src/map/lowres/LowresFragmentShader.js
@@ -27,6 +27,10 @@ import { ShaderChunk } from 'three';
 export const LOWRES_FRAGMENT_SHADER = `
 ${ShaderChunk.logdepthbuf_pars_fragment}
 
+#ifndef texture
+	#define texture texture2D
+#endif
+
 struct TileMap {
 	sampler2D map;
 	float size;