From e31566d430093fb084da2e7f4f4ed1b66326edef Mon Sep 17 00:00:00 2001
From: Richard <richardsoncusto@gmail.com>
Date: Thu, 11 Nov 2021 01:10:47 -0300
Subject: Improve shader version selection

---
 glow/src/shader/compatibility/quad.frag | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'glow/src/shader/compatibility/quad.frag')

diff --git a/glow/src/shader/compatibility/quad.frag b/glow/src/shader/compatibility/quad.frag
index c2634c65..8ea5693d 100644
--- a/glow/src/shader/compatibility/quad.frag
+++ b/glow/src/shader/compatibility/quad.frag
@@ -1,5 +1,10 @@
-#version 100
+#ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
+precision highp float;
+#else
 precision mediump float;
+#endif
+#endif
 
 uniform float u_ScreenHeight;
 
@@ -10,7 +15,7 @@ varying vec2 v_Scale;
 varying float v_BorderRadius;
 varying float v_BorderWidth;
 
-float _distance(in vec2 frag_coord, in vec2 position, in vec2 size, float radius)
+float _distance(vec2 frag_coord, vec2 position, vec2 size, float radius)
 {
     // TODO: Try SDF approach: https://www.shadertoy.com/view/wd3XRN
     vec2 inner_size = size - vec2(radius, radius) * 2.0;
-- 
cgit