chore: consistently use highp float

Author: dy-tea

src/shaders/gles2/blur_acrylic.frag

@@ -1,4 +1,4 @@
-precision mediump float;
+precision highp float;
 uniform sampler2D tex;
 uniform vec4 tint;
 uniform float tint_strength;

src/shaders/gles2/blur_box_h.frag

@@ -1,6 +1,6 @@
 #include "color_helpers.glsl"
 
-precision mediump float;
+precision highp float;
 uniform sampler2D tex;
 uniform vec2 texel_size;
 uniform float radius;

src/shaders/gles2/blur_box_v.frag

@@ -1,6 +1,6 @@
 #include "color_helpers.glsl"
 
-precision mediump float;
+precision highp float;
 uniform sampler2D tex;
 uniform vec2 texel_size;
 uniform float radius;

src/shaders/gles2/blur_gauss_h.frag

@@ -1,6 +1,6 @@
 #include "color_helpers.glsl"
 
-precision mediump float;
+precision highp float;
 uniform sampler2D tex;
 uniform vec2 texel_size;
 uniform float radius;

src/shaders/gles2/blur_gauss_v.frag

@@ -1,6 +1,6 @@
 #include "color_helpers.glsl"
 
-precision mediump float;
+precision highp float;
 uniform sampler2D tex;
 uniform vec2 texel_size;
 uniform float radius;

src/shaders/gles2/blur_kawase.frag

@@ -1,6 +1,6 @@
 #include "color_helpers.glsl"
 
-precision mediump float;
+precision highp float;
 uniform sampler2D tex;
 uniform vec2 halfpixel;
 uniform float offset;

src/shaders/gles2/blur_mica.frag

@@ -1,4 +1,4 @@
-precision mediump float;
+precision highp float;
 uniform sampler2D tex;
 uniform vec4 tint;
 uniform float tint_strength;

src/shaders/gles2/blur_refraction.frag

@@ -1,4 +1,4 @@
-precision mediump float;
+precision highp float;
 uniform sampler2D tex;
 uniform float offset;
 uniform vec2 halfpixel;

src/shaders/gles2/color_helpers.glsl

@@ -1,6 +1,6 @@
 // Color space and brightness helper functions for shaders (based on shaders from Hyprland)
 
-precision mediump float;
+precision highp float;
 
 // Perceived brightness weights (standard luminance coefficients)
 // Source: http://alienryderflex.com/hsp.html