From b968e46ee26d46abdb1a465424830a367842cf1a Mon Sep 17 00:00:00 2001
From: Richard Davey <rich@photonstorm.com>
Date: Tue, 28 Sep 2021 15:56:54 +0100
Subject: [PATCH] The Multi Pipeline now uses `highp float` precision by
 default, instead of `mediump`. This fixes issues with strange blue 'spots'
 appearing under WebGL on some Android devices. Fix #5751 #5659 #5655

---
 src/renderer/webgl/shaders/Multi-frag.js  | 2 +-
 src/renderer/webgl/shaders/Multi-vert.js  | 2 +-
 src/renderer/webgl/shaders/src/Multi.frag | 2 +-
 src/renderer/webgl/shaders/src/Multi.vert | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/renderer/webgl/shaders/Multi-frag.js b/src/renderer/webgl/shaders/Multi-frag.js
index 2a3d63ebe..ddfa620d1 100644
--- a/src/renderer/webgl/shaders/Multi-frag.js
+++ b/src/renderer/webgl/shaders/Multi-frag.js
@@ -1,7 +1,7 @@
 module.exports = [
     '#define SHADER_NAME PHASER_MULTI_FS',
     '',
-    'precision mediump float;',
+    'precision highp float;',
     '',
     'uniform sampler2D uMainSampler[%count%];',
     '',
diff --git a/src/renderer/webgl/shaders/Multi-vert.js b/src/renderer/webgl/shaders/Multi-vert.js
index fda290ea2..da7b87436 100644
--- a/src/renderer/webgl/shaders/Multi-vert.js
+++ b/src/renderer/webgl/shaders/Multi-vert.js
@@ -1,7 +1,7 @@
 module.exports = [
     '#define SHADER_NAME PHASER_MULTI_VS',
     '',
-    'precision mediump float;',
+    'precision highp float;',
     '',
     'uniform mat4 uProjectionMatrix;',
     '',
diff --git a/src/renderer/webgl/shaders/src/Multi.frag b/src/renderer/webgl/shaders/src/Multi.frag
index 870886e0a..771b65ced 100644
--- a/src/renderer/webgl/shaders/src/Multi.frag
+++ b/src/renderer/webgl/shaders/src/Multi.frag
@@ -1,6 +1,6 @@
 #define SHADER_NAME PHASER_MULTI_FS
 
-precision mediump float;
+precision highp float;
 
 uniform sampler2D uMainSampler[%count%];
 
diff --git a/src/renderer/webgl/shaders/src/Multi.vert b/src/renderer/webgl/shaders/src/Multi.vert
index ca63f367c..2a869ac5a 100644
--- a/src/renderer/webgl/shaders/src/Multi.vert
+++ b/src/renderer/webgl/shaders/src/Multi.vert
@@ -1,6 +1,6 @@
 #define SHADER_NAME PHASER_MULTI_VS
 
-precision mediump float;
+precision highp float;
 
 uniform mat4 uProjectionMatrix;