From 078d107c2405f3f98468133fa503a6e02a2ecbd9 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Sat, 16 Dec 2017 03:28:48 +0900
Subject: [PATCH] graphics: Bug fix: vertex position should be highp

---
 internal/graphics/shader.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/internal/graphics/shader.go b/internal/graphics/shader.go
index cd473a4ba..1ffd598fe 100644
--- a/internal/graphics/shader.go
+++ b/internal/graphics/shader.go
@@ -63,7 +63,7 @@ precision mediump float;
 uniform sampler2D texture;
 uniform mat4 color_matrix;
 uniform vec4 color_matrix_translation;
-uniform vec2 source_size;
+uniform highp vec2 source_size;
 uniform int filter_type;
 
 varying highp vec2 varying_tex_coord;
@@ -92,7 +92,7 @@ vec4 getColorAt(highp vec2 pos) {
 void main(void) {
   vec4 color = vec4(0, 0, 0, 0);
 
-  vec2 pos = roundTexel(varying_tex_coord);
+  highp vec2 pos = roundTexel(varying_tex_coord);
   if (filter_type == 1) {
     // Nearest neighbor
     color = getColorAt(pos);