[GLES] cleanup shaders

18 files changed, 207 insertions, 181 deletions

diff --git a/system/shaders/GLES/2.0/gles_convolution-4x4.frag b/system/shaders/GLES/2.0/gles_convolution-4x4.frag
index 89e5b8d58d..85bec53d4f 100644
--- a/system/shaders/GLES/2.0/gles_convolution-4x4.frag
+++ b/system/shaders/GLES/2.0/gles_convolution-4x4.frag
@@ -23,14 +23,14 @@
 precision highp float;
 
 uniform sampler2D img;
-uniform vec2      stepxy;
-varying vec2      cord;
-uniform float     m_alpha;
+uniform vec2 stepxy;
+varying vec2 cord;
+uniform float m_alpha;
 uniform sampler2D kernelTex;
 
 vec4 weight(float pos)
 {
-#if (HAS_FLOAT_TEXTURE)
+#if defined(HAS_FLOAT_TEXTURE)
   return texture2D(kernelTex, vec2(pos - 0.5));
 #else
   return texture2D(kernelTex, vec2(pos - 0.5)) * 2.0 - 1.0;
@@ -44,11 +44,10 @@ vec3 pixel(float xpos, float ypos)
 
 vec3 line (float ypos, vec4 xpos, vec4 linetaps)
 {
-  return
-    pixel(xpos.r, ypos) * linetaps.r +
-    pixel(xpos.g, ypos) * linetaps.g +
-    pixel(xpos.b, ypos) * linetaps.b +
-    pixel(xpos.a, ypos) * linetaps.a;
+  return pixel(xpos.r, ypos) * linetaps.r +
+         pixel(xpos.g, ypos) * linetaps.g +
+         pixel(xpos.b, ypos) * linetaps.b +
+         pixel(xpos.a, ypos) * linetaps.a;
 }
 
 void main()
@@ -57,21 +56,20 @@ void main()
   vec2 pos = cord + stepxy * 0.5;
   vec2 f = fract(pos / stepxy);
 
-  vec4 linetaps   = weight(1.0 - f.x);
+  vec4 linetaps = weight(1.0 - f.x);
   vec4 columntaps = weight(1.0 - f.y);
 
-  //make sure all taps added together is exactly 1.0, otherwise some (very small) distortion can occur
+  // make sure all taps added together is exactly 1.0, otherwise some (very small) distortion can occur
   linetaps /= linetaps.r + linetaps.g + linetaps.b + linetaps.a;
   columntaps /= columntaps.r + columntaps.g + columntaps.b + columntaps.a;
 
   vec2 xystart = (-1.5 - f) * stepxy + pos;
   vec4 xpos = vec4(xystart.x, xystart.x + stepxy.x, xystart.x + stepxy.x * 2.0, xystart.x + stepxy.x * 3.0);
 
-  rgb.rgb =
-    line(xystart.y                 , xpos, linetaps) * columntaps.r +
-    line(xystart.y + stepxy.y      , xpos, linetaps) * columntaps.g +
-    line(xystart.y + stepxy.y * 2.0, xpos, linetaps) * columntaps.b +
-    line(xystart.y + stepxy.y * 3.0, xpos, linetaps) * columntaps.a;
+  rgb.rgb = line(xystart.y, xpos, linetaps) * columntaps.r +
+            line(xystart.y + stepxy.y, xpos, linetaps) * columntaps.g +
+            line(xystart.y + stepxy.y * 2.0, xpos, linetaps) * columntaps.b +
+            line(xystart.y + stepxy.y * 3.0, xpos, linetaps) * columntaps.a;
 
   rgb.a = m_alpha;
 
diff --git a/system/shaders/GLES/2.0/gles_convolution-6x6.frag b/system/shaders/GLES/2.0/gles_convolution-6x6.frag
index 8333d51f32..c992b4b4a9 100644
--- a/system/shaders/GLES/2.0/gles_convolution-6x6.frag
+++ b/system/shaders/GLES/2.0/gles_convolution-6x6.frag
@@ -23,14 +23,14 @@
 precision highp float;
 
 uniform sampler2D img;
-uniform vec2      stepxy;
-varying vec2      cord;
-uniform float     m_alpha;
+uniform vec2 stepxy;
+varying vec2 cord;
+uniform float m_alpha;
 uniform sampler2D kernelTex;
 
 vec3 weight(float pos)
 {
-#if (HAS_FLOAT_TEXTURE)
+#if defined(HAS_FLOAT_TEXTURE)
   return texture2D(kernelTex, vec2(pos - 0.5)).rgb;
 #else
   return texture2D(kernelTex, vec2(pos - 0.5)).rgb * 2.0 - 1.0;
@@ -44,13 +44,12 @@ vec3 pixel(float xpos, float ypos)
 
 vec3 line (float ypos, vec3 xpos1, vec3 xpos2, vec3 linetaps1, vec3 linetaps2)
 {
-  return
-    pixel(xpos1.r, ypos) * linetaps1.r +
-    pixel(xpos1.g, ypos) * linetaps2.r +
-    pixel(xpos1.b, ypos) * linetaps1.g +
-    pixel(xpos2.r, ypos) * linetaps2.g +
-    pixel(xpos2.g, ypos) * linetaps1.b +
-    pixel(xpos2.b, ypos) * linetaps2.b;
+  return pixel(xpos1.r, ypos) * linetaps1.r +
+         pixel(xpos1.g, ypos) * linetaps2.r +
+         pixel(xpos1.b, ypos) * linetaps1.g +
+         pixel(xpos2.r, ypos) * linetaps2.g +
+         pixel(xpos2.g, ypos) * linetaps1.b +
+         pixel(xpos2.b, ypos) * linetaps2.b;
 }
 
 void main()
@@ -59,12 +58,12 @@ void main()
   vec2 pos = cord + stepxy * 0.5;
   vec2 f = fract(pos / stepxy);
 
-  vec3 linetaps1   = weight((1.0 - f.x) / 2.0);
-  vec3 linetaps2   = weight((1.0 - f.x) / 2.0 + 0.5);
+  vec3 linetaps1 = weight((1.0 - f.x) / 2.0);
+  vec3 linetaps2 = weight((1.0 - f.x) / 2.0 + 0.5);
   vec3 columntaps1 = weight((1.0 - f.y) / 2.0);
   vec3 columntaps2 = weight((1.0 - f.y) / 2.0 + 0.5);
 
-  //make sure all taps added together is exactly 1.0, otherwise some (very small) distortion can occur
+  // make sure all taps added together is exactly 1.0, otherwise some (very small) distortion can occur
   float sum = linetaps1.r + linetaps1.g + linetaps1.b + linetaps2.r + linetaps2.g + linetaps2.b;
   linetaps1 /= sum;
   linetaps2 /= sum;
@@ -76,13 +75,12 @@ void main()
   vec3 xpos1 = vec3(xystart.x, xystart.x + stepxy.x, xystart.x + stepxy.x * 2.0);
   vec3 xpos2 = vec3(xystart.x + stepxy.x * 3.0, xystart.x + stepxy.x * 4.0, xystart.x + stepxy.x * 5.0);
 
-  rgb.rgb =
-   line(xystart.y                 , xpos1, xpos2, linetaps1, linetaps2) * columntaps1.r +
-   line(xystart.y + stepxy.y      , xpos1, xpos2, linetaps1, linetaps2) * columntaps2.r +
-   line(xystart.y + stepxy.y * 2.0, xpos1, xpos2, linetaps1, linetaps2) * columntaps1.g +
-   line(xystart.y + stepxy.y * 3.0, xpos1, xpos2, linetaps1, linetaps2) * columntaps2.g +
-   line(xystart.y + stepxy.y * 4.0, xpos1, xpos2, linetaps1, linetaps2) * columntaps1.b +
-   line(xystart.y + stepxy.y * 5.0, xpos1, xpos2, linetaps1, linetaps2) * columntaps2.b;
+  rgb.rgb = line(xystart.y, xpos1, xpos2, linetaps1, linetaps2) * columntaps1.r +
+            line(xystart.y + stepxy.y, xpos1, xpos2, linetaps1, linetaps2) * columntaps2.r +
+            line(xystart.y + stepxy.y * 2.0, xpos1, xpos2, linetaps1, linetaps2) * columntaps1.g +
+            line(xystart.y + stepxy.y * 3.0, xpos1, xpos2, linetaps1, linetaps2) * columntaps2.g +
+            line(xystart.y + stepxy.y * 4.0, xpos1, xpos2, linetaps1, linetaps2) * columntaps1.b +
+            line(xystart.y + stepxy.y * 5.0, xpos1, xpos2, linetaps1, linetaps2) * columntaps2.b;
 
   rgb.a = m_alpha;
 
diff --git a/system/shaders/GLES/2.0/gles_shader.vert b/system/shaders/GLES/2.0/gles_shader.vert
index 018961f556..890acbbb81 100644
--- a/system/shaders/GLES/2.0/gles_shader.vert
+++ b/system/shaders/GLES/2.0/gles_shader.vert
@@ -24,18 +24,18 @@ attribute vec4 m_attrpos;
 attribute vec4 m_attrcol;
 attribute vec4 m_attrcord0;
 attribute vec4 m_attrcord1;
-varying vec4   m_cord0;
-varying vec4   m_cord1;
+varying vec4 m_cord0;
+varying vec4 m_cord1;
 varying lowp vec4 m_colour;
-uniform mat4   m_proj;
-uniform mat4   m_model;
-uniform mat4   m_coord0Matrix;
+uniform mat4 m_proj;
+uniform mat4 m_model;
+uniform mat4 m_coord0Matrix;
 
 void main ()
 {
-  mat4 mvp    = m_proj * m_model;
+  mat4 mvp = m_proj * m_model;
   gl_Position = mvp * m_attrpos;
-  m_colour    = m_attrcol;
-  m_cord0     = m_coord0Matrix * m_attrcord0;
-  m_cord1     = m_attrcord1;
+  m_colour = m_attrcol;
+  m_cord0 = m_coord0Matrix * m_attrcord0;
+  m_cord1 = m_attrcord1;
 }
diff --git a/system/shaders/GLES/2.0/gles_shader_default.frag b/system/shaders/GLES/2.0/gles_shader_default.frag
index 0983b85c5c..f213360454 100644
--- a/system/shaders/GLES/2.0/gles_shader_default.frag
+++ b/system/shaders/GLES/2.0/gles_shader_default.frag
@@ -23,12 +23,16 @@
 precision mediump float;
 uniform lowp vec4 m_unicol;
 
-// SM_DEFAULT shader
 void main ()
 {
-  gl_FragColor = m_unicol;
+  vec4 rgb;
+
+  rgb = m_unicol;
+
 #if defined(KODI_LIMITED_RANGE)
-  gl_FragColor.rgb *= (235.0-16.0) / 255.0;
-  gl_FragColor.rgb += 16.0 / 255.0;
+  rgb.rgb *= (235.0 - 16.0) / 255.0;
+  rgb.rgb += 16.0 / 255.0;
 #endif
+
+  gl_FragColor = rgb;
 }
diff --git a/system/shaders/GLES/2.0/gles_shader_fonts.frag b/system/shaders/GLES/2.0/gles_shader_fonts.frag
index 36dfd6c740..075d26f67a 100644
--- a/system/shaders/GLES/2.0/gles_shader_fonts.frag
+++ b/system/shaders/GLES/2.0/gles_shader_fonts.frag
@@ -20,20 +20,22 @@
 
 #version 100
 
-precision mediump   float;
-uniform   sampler2D m_samp0;
-varying   vec4      m_cord0;
-varying   lowp vec4 m_colour;
+precision mediump float;
+uniform sampler2D m_samp0;
+varying vec4 m_cord0;
+varying lowp vec4 m_colour;
 
-// SM_FONTS shader
 void main ()
 {
-  gl_FragColor.r   = m_colour.r;
-  gl_FragColor.g   = m_colour.g;
-  gl_FragColor.b   = m_colour.b;
-  gl_FragColor.a   = m_colour.a * texture2D(m_samp0, m_cord0.xy).a;
+  vec4 rgb;
+
+  rgb.rgb = m_colour.rgb;
+  rgb.a = m_colour.a * texture2D(m_samp0, m_cord0.xy).a;
+
 #if defined(KODI_LIMITED_RANGE)
-  gl_FragColor.rgb *= (235.0-16.0) / 255.0;
-  gl_FragColor.rgb += 16.0 / 255.0;
+  rgb.rgb *= (235.0 - 16.0) / 255.0;
+  rgb.rgb += 16.0 / 255.0;
 #endif
+
+  gl_FragColor = rgb;
 }
diff --git a/system/shaders/GLES/2.0/gles_shader_multi.frag b/system/shaders/GLES/2.0/gles_shader_multi.frag
index 7f76358124..9f288982ec 100644
--- a/system/shaders/GLES/2.0/gles_shader_multi.frag
+++ b/system/shaders/GLES/2.0/gles_shader_multi.frag
@@ -20,18 +20,22 @@
 
 #version 100
 
-precision mediump   float;
-uniform   sampler2D m_samp0;
-uniform   sampler2D m_samp1;
-varying   vec4      m_cord0;
-varying   vec4      m_cord1;
+precision mediump float;
+uniform sampler2D m_samp0;
+uniform sampler2D m_samp1;
+varying vec4 m_cord0;
+varying vec4 m_cord1;
 
-// SM_MULTI shader
 void main ()
 {
-  gl_FragColor.rgba = (texture2D(m_samp0, m_cord0.xy) * texture2D(m_samp1, m_cord1.xy)).rgba;
+  vec4 rgb;
+
+  rgb = texture2D(m_samp0, m_cord0.xy) * texture2D(m_samp1, m_cord1.xy);
+
 #if defined(KODI_LIMITED_RANGE)
-  gl_FragColor.rgb *= (235.0-16.0) / 255.0;
-  gl_FragColor.rgb += 16.0 / 255.0;
+  rgb.rgb *= (235.0 - 16.0) / 255.0;
+  rgb.rgb += 16.0 / 255.0;
 #endif
+
+  gl_FragColor = rgb;
 }
diff --git a/system/shaders/GLES/2.0/gles_shader_multi_blendcolor.frag b/system/shaders/GLES/2.0/gles_shader_multi_blendcolor.frag
index 062f292f28..35153da34c 100644
--- a/system/shaders/GLES/2.0/gles_shader_multi_blendcolor.frag
+++ b/system/shaders/GLES/2.0/gles_shader_multi_blendcolor.frag
@@ -20,19 +20,23 @@
 
 #version 100
 
-precision mediump   float;
-uniform   sampler2D m_samp0;
-uniform   sampler2D m_samp1;
-varying   vec4      m_cord0;
-varying   vec4      m_cord1;
-uniform   lowp vec4 m_unicol;
+precision mediump float;
+uniform sampler2D m_samp0;
+uniform sampler2D m_samp1;
+varying vec4 m_cord0;
+varying vec4 m_cord1;
+uniform lowp vec4 m_unicol;
 
-// SM_MULTI shader
 void main ()
 {
-  gl_FragColor.rgba = m_unicol * texture2D(m_samp0, m_cord0.xy) * texture2D(m_samp1, m_cord1.xy);
+  vec4 rgb;
+
+  rgb = m_unicol * texture2D(m_samp0, m_cord0.xy) * texture2D(m_samp1, m_cord1.xy);
+
 #if defined(KODI_LIMITED_RANGE)
-  gl_FragColor.rgb *= (235.0-16.0) / 255.0;
-  gl_FragColor.rgb += 16.0 / 255.0;
+  rgb.rgb *= (235.0 - 16.0) / 255.0;
+  rgb.rgb += 16.0 / 255.0;
 #endif
+
+  gl_FragColor = rgb;
 }
diff --git a/system/shaders/GLES/2.0/gles_shader_rgba.frag b/system/shaders/GLES/2.0/gles_shader_rgba.frag
index d5d7ffb3e6..cdbb076fb4 100644
--- a/system/shaders/GLES/2.0/gles_shader_rgba.frag
+++ b/system/shaders/GLES/2.0/gles_shader_rgba.frag
@@ -23,19 +23,21 @@
 precision mediump float;
 uniform sampler2D m_samp0;
 uniform sampler2D m_samp1;
-varying vec4      m_cord0;
-varying vec4      m_cord1;
+varying vec4 m_cord0;
+varying vec4 m_cord1;
 varying lowp vec4 m_colour;
-uniform int       m_method;
+uniform int m_method;
 
-uniform float     m_brightness;
-uniform float     m_contrast;
+uniform float m_brightness;
+uniform float m_contrast;
 
 void main ()
 {
-  vec4 color = texture2D(m_samp0, m_cord0.xy).rgba;
-  color = color * m_contrast;
-  color = color + m_brightness;
+  vec4 rgb;
 
-  gl_FragColor.rgba = color;
+  rgb = texture2D(m_samp0, m_cord0.xy);
+  rgb *= m_contrast;
+  rgb += m_brightness;
+
+  gl_FragColor = rgb;
 }
diff --git a/system/shaders/GLES/2.0/gles_shader_rgba_blendcolor.frag b/system/shaders/GLES/2.0/gles_shader_rgba_blendcolor.frag
index 5c4e89990b..3f08da0fd7 100644
--- a/system/shaders/GLES/2.0/gles_shader_rgba_blendcolor.frag
+++ b/system/shaders/GLES/2.0/gles_shader_rgba_blendcolor.frag
@@ -23,17 +23,21 @@
 precision mediump float;
 uniform sampler2D m_samp0;
 uniform sampler2D m_samp1;
-varying vec4      m_cord0;
-varying vec4      m_cord1;
+varying vec4 m_cord0;
+varying vec4 m_cord1;
 varying lowp vec4 m_colour;
-uniform int       m_method;
+uniform int m_method;
 
-// SM_TEXTURE
 void main ()
 {
-  gl_FragColor.rgba = vec4(texture2D(m_samp0, m_cord0.xy).rgba * m_colour);
+  vec4 rgb;
+
+  rgb = texture2D(m_samp0, m_cord0.xy).rgba * m_colour;
+
 #if defined(KODI_LIMITED_RANGE)
- gl_FragColor.rgb *= (235.0-16.0) / 255.0;
- gl_FragColor.rgb += 16.0 / 255.0;
+  rgb.rgb *= (235.0 - 16.0) / 255.0;
+  rgb.rgb += 16.0 / 255.0;
 #endif
+
+  gl_FragColor = rgb;
 }
diff --git a/system/shaders/GLES/2.0/gles_shader_rgba_bob.frag b/system/shaders/GLES/2.0/gles_shader_rgba_bob.frag
index b1c1628204..fd4a83babc 100644
--- a/system/shaders/GLES/2.0/gles_shader_rgba_bob.frag
+++ b/system/shaders/GLES/2.0/gles_shader_rgba_bob.frag
@@ -23,34 +23,34 @@
 precision highp float;
 uniform sampler2D m_samp0;
 uniform sampler2D m_samp1;
-varying vec4      m_cord0;
-varying vec4      m_cord1;
+varying vec4 m_cord0;
+varying vec4 m_cord1;
 varying lowp vec4 m_colour;
-uniform int       m_method;
-uniform int       m_field;
-uniform float     m_step;
+uniform int m_method;
+uniform int m_field;
+uniform float m_step;
 
-uniform float     m_brightness;
-uniform float     m_contrast;
+uniform float m_brightness;
+uniform float m_contrast;
 
 void main ()
 {
   vec2 source;
   source = m_cord0.xy;
 
-  float temp1 = mod(source.y, 2.0*m_step);
+  float temp1 = mod(source.y, 2.0 * m_step);
   float temp2 = source.y - temp1;
-  source.y = temp2 + m_step/2.0 - float(m_field)*m_step;
+  source.y = temp2 + m_step / 2.0 - float(m_field) * m_step;
 
   // Blend missing line
   vec2 below;
   float bstep = step(m_step, temp1);
   below.x = source.x;
-  below.y = source.y + (2.0*m_step*bstep);
+  below.y = source.y + (2.0 * m_step * bstep);
 
   vec4 color = mix(texture2D(m_samp0, source), texture2D(m_samp0, below), 0.5);
-  color = color * m_contrast;
-  color = color + m_brightness;
+  color *= m_contrast;
+  color += m_brightness;
 
-  gl_FragColor.rgba = color;
+  gl_FragColor = color;
 }
diff --git a/system/shaders/GLES/2.0/gles_shader_rgba_bob_oes.frag b/system/shaders/GLES/2.0/gles_shader_rgba_bob_oes.frag
index bbab5c4091..16894affb6 100644
--- a/system/shaders/GLES/2.0/gles_shader_rgba_bob_oes.frag
+++ b/system/shaders/GLES/2.0/gles_shader_rgba_bob_oes.frag
@@ -25,34 +25,34 @@
 precision highp float;
 uniform samplerExternalOES m_samp0;
 uniform samplerExternalOES m_samp1;
-varying vec4      m_cord0;
-varying vec4      m_cord1;
+varying vec4 m_cord0;
+varying vec4 m_cord1;
 varying lowp vec4 m_colour;
-uniform int       m_method;
-uniform int       m_field;
-uniform float     m_step;
+uniform int m_method;
+uniform int m_field;
+uniform float m_step;
 
-uniform float     m_brightness;
-uniform float     m_contrast;
+uniform float m_brightness;
+uniform float m_contrast;
 
 void main ()
 {
   vec2 source;
   source = m_cord0.xy;
 
-  float temp1 = mod(source.y, 2.0*m_step);
+  float temp1 = mod(source.y, 2.0 * m_step);
   float temp2 = source.y - temp1;
-  source.y = temp2 + m_step/2.0 - float(m_field)*m_step;
+  source.y = temp2 + m_step / 2.0 - float(m_field) * m_step;
 
   // Blend missing line
   vec2 below;
   float bstep = step(m_step, temp1);
   below.x = source.x;
-  below.y = source.y + (2.0*m_step*bstep);
+  below.y = source.y + (2.0*m_step * bstep);
 
   vec4 color = mix(texture2D(m_samp0, source), texture2D(m_samp0, below), 0.5);
-  color = color * m_contrast;
-  color = color + m_brightness;
+  color *= m_contrast;
+  color += m_brightness;
 
-  gl_FragColor.rgba = color;
+  gl_FragColor = color;
 }
diff --git a/system/shaders/GLES/2.0/gles_shader_rgba_oes.frag b/system/shaders/GLES/2.0/gles_shader_rgba_oes.frag
index 55e311cf1e..2936954235 100644
--- a/system/shaders/GLES/2.0/gles_shader_rgba_oes.frag
+++ b/system/shaders/GLES/2.0/gles_shader_rgba_oes.frag
@@ -24,16 +24,18 @@
 
 precision mediump float;
 uniform samplerExternalOES m_samp0;
-varying vec4      m_cord0;
+varying vec4 m_cord0;
 
-uniform float     m_brightness;
-uniform float     m_contrast;
+uniform float m_brightness;
+uniform float m_contrast;
 
 void main ()
 {
-    vec4 color = texture2D(m_samp0, m_cord0.xy).rgba;
-    color = color * m_contrast;
-    color = color + m_brightness;
+  vec4 rgb;
 
-    gl_FragColor.rgba = color;
+  rgb = texture2D(m_samp0, m_cord0.xy);
+  rgb *= m_contrast;
+  rgb += m_brightness;
+
+  gl_FragColor = rgb;
 }
diff --git a/system/shaders/GLES/2.0/gles_shader_texture.frag b/system/shaders/GLES/2.0/gles_shader_texture.frag
index e664330ffd..a2ac2de79b 100644
--- a/system/shaders/GLES/2.0/gles_shader_texture.frag
+++ b/system/shaders/GLES/2.0/gles_shader_texture.frag
@@ -20,17 +20,21 @@
 
 #version 100
 
-precision mediump   float;
-uniform   sampler2D m_samp0;
-uniform   lowp vec4 m_unicol;
-varying   vec4      m_cord0;
+precision mediump float;
+uniform sampler2D m_samp0;
+uniform lowp vec4 m_unicol;
+varying vec4 m_cord0;
 
-// SM_TEXTURE shader
 void main ()
 {
-  gl_FragColor.rgba = vec4(texture2D(m_samp0, m_cord0.xy).rgba * m_unicol);
+  vec4 rgb;
+
+  rgb = texture2D(m_samp0, m_cord0.xy).rgba * m_unicol;
+
 #if defined(KODI_LIMITED_RANGE)
-  gl_FragColor.rgb *= (235.0-16.0) / 255.0;
-  gl_FragColor.rgb += 16.0 / 255.0;
+  rgb.rgb *= (235.0 - 16.0) / 255.0;
+  rgb.rgb += 16.0 / 255.0;
 #endif
+
+  gl_FragColor = rgb;
 }
diff --git a/system/shaders/GLES/2.0/gles_shader_texture_noblend.frag b/system/shaders/GLES/2.0/gles_shader_texture_noblend.frag
index 1752c4cc03..8cc66c94c9 100644
--- a/system/shaders/GLES/2.0/gles_shader_texture_noblend.frag
+++ b/system/shaders/GLES/2.0/gles_shader_texture_noblend.frag
@@ -20,16 +20,20 @@
 
 #version 100
 
-precision mediump   float;
-uniform   sampler2D m_samp0;
-varying   vec4      m_cord0;
+precision mediump float;
+uniform sampler2D m_samp0;
+varying vec4 m_cord0;
 
-// SM_TEXTURE_NOBLEND shader
 void main ()
 {
-  gl_FragColor.rgba = vec4(texture2D(m_samp0, m_cord0.xy).rgba);
+  vec4 rgb;
+
+  rgb = texture2D(m_samp0, m_cord0.xy);
+
 #if defined(KODI_LIMITED_RANGE)
-  gl_FragColor.rgb *= (235.0-16.0) / 255.0;
-  gl_FragColor.rgb += 16.0 / 255.0;
+  rgb.rgb *= (235.0 - 16.0) / 255.0;
+  rgb.rgb += 16.0 / 255.0;
 #endif
+
+  gl_FragColor = rgb;
 }
diff --git a/system/shaders/GLES/2.0/gles_tonemap.frag b/system/shaders/GLES/2.0/gles_tonemap.frag
index 40c261cb76..4a98f56dbb 100644
--- a/system/shaders/GLES/2.0/gles_tonemap.frag
+++ b/system/shaders/GLES/2.0/gles_tonemap.frag
@@ -1,4 +1,4 @@
 float tonemap(float val)
 {
-  return val * (1.0 + val/(m_toneP1*m_toneP1))/(1.0 + val);
+  return val * (1.0 + val / (m_toneP1 * m_toneP1)) / (1.0 + val);
 }
diff --git a/system/shaders/GLES/2.0/gles_yuv2rgb.vert b/system/shaders/GLES/2.0/gles_yuv2rgb.vert
index 43b4b06dcc..bc437afdc3 100644
--- a/system/shaders/GLES/2.0/gles_yuv2rgb.vert
+++ b/system/shaders/GLES/2.0/gles_yuv2rgb.vert
@@ -32,9 +32,9 @@ uniform mat4 m_model;
 
 void main ()
 {
-  mat4 mvp    = m_proj * m_model;
+  mat4 mvp = m_proj * m_model;
   gl_Position = mvp * m_attrpos;
-  m_cordY     = m_attrcordY;
-  m_cordU     = m_attrcordU;
-  m_cordV     = m_attrcordV;
+  m_cordY = m_attrcordY;
+  m_cordU = m_attrcordU;
+  m_cordV = m_attrcordV;
 }
diff --git a/system/shaders/GLES/2.0/gles_yuv2rgb_basic.frag b/system/shaders/GLES/2.0/gles_yuv2rgb_basic.frag
index eede848567..ecd82b13ca 100644
--- a/system/shaders/GLES/2.0/gles_yuv2rgb_basic.frag
+++ b/system/shaders/GLES/2.0/gles_yuv2rgb_basic.frag
@@ -25,17 +25,17 @@ precision mediump float;
 uniform sampler2D m_sampY;
 uniform sampler2D m_sampU;
 uniform sampler2D m_sampV;
-varying vec2      m_cordY;
-varying vec2      m_cordU;
-varying vec2      m_cordV;
-uniform vec2      m_step;
-uniform mat4      m_yuvmat;
+varying vec2 m_cordY;
+varying vec2 m_cordU;
+varying vec2 m_cordV;
+uniform vec2 m_step;
+uniform mat4 m_yuvmat;
 uniform mat3 m_primMat;
 uniform float m_gammaDstInv;
 uniform float m_gammaSrc;
 uniform float m_toneP1;
 uniform vec3 m_coefsDst;
-uniform float     m_alpha;
+uniform float m_alpha;
 
 void main()
 {
@@ -44,17 +44,17 @@ void main()
 
 #if defined(XBMC_YV12) || defined(XBMC_NV12)
 
-  yuv.rgba = vec4( texture2D(m_sampY, m_cordY).r
-                 , texture2D(m_sampU, m_cordU).g
-                 , texture2D(m_sampV, m_cordV).a
-                 , 1.0 );
+  yuv = vec4(texture2D(m_sampY, m_cordY).r,
+             texture2D(m_sampU, m_cordU).g,
+             texture2D(m_sampV, m_cordV).a,
+             1.0);
 
 #elif defined(XBMC_NV12_RRG)
 
-  yuv.rgba = vec4( texture2D(m_sampY, m_cordY).r
-                 , texture2D(m_sampU, m_cordU).r
-                 , texture2D(m_sampV, m_cordV).g
-                 , 1.0 );
+  yuv = vec4(texture2D(m_sampY, m_cordY).r,
+             texture2D(m_sampU, m_cordU).r,
+             texture2D(m_sampV, m_cordV).g,
+             1.0);
 
 #endif
 
diff --git a/system/shaders/GLES/2.0/gles_yuv2rgb_bob.frag b/system/shaders/GLES/2.0/gles_yuv2rgb_bob.frag
index 609f51d774..22d672dd14 100644
--- a/system/shaders/GLES/2.0/gles_yuv2rgb_bob.frag
+++ b/system/shaders/GLES/2.0/gles_yuv2rgb_bob.frag
@@ -24,14 +24,14 @@ precision highp float;
 uniform sampler2D m_sampY;
 uniform sampler2D m_sampU;
 uniform sampler2D m_sampV;
-varying vec2      m_cordY;
-varying vec2      m_cordU;
-varying vec2      m_cordV;
-uniform float     m_alpha;
-uniform mat4      m_yuvmat;
-uniform float     m_stepX;
-uniform float     m_stepY;
-uniform int       m_field;
+varying vec2 m_cordY;
+varying vec2 m_cordU;
+varying vec2 m_cordV;
+uniform float m_alpha;
+uniform mat4 m_yuvmat;
+uniform float m_stepX;
+uniform float m_stepY;
+uniform int m_field;
 uniform mat3 m_primMat;
 uniform float m_gammaDstInv;
 uniform float m_gammaSrc;
@@ -45,15 +45,15 @@ void main()
   vec2 offsetY;
   vec2 offsetU;
   vec2 offsetV;
-  float temp1 = mod(m_cordY.y, 2.0*m_stepY);
+  float temp1 = mod(m_cordY.y, 2.0 * m_stepY);
 
   offsetY  = m_cordY;
   offsetU  = m_cordU;
   offsetV  = m_cordV;
 
-  offsetY.y -= (temp1 - m_stepY/2.0 + float(m_field)*m_stepY);
-  offsetU.y -= (temp1 - m_stepY/2.0 + float(m_field)*m_stepY)/2.0;
-  offsetV.y -= (temp1 - m_stepY/2.0 + float(m_field)*m_stepY)/2.0;
+  offsetY.y -= (temp1 - m_stepY / 2.0 + float(m_field) * m_stepY);
+  offsetU.y -= (temp1 - m_stepY / 2.0 + float(m_field) * m_stepY) / 2.0;
+  offsetV.y -= (temp1 - m_stepY / 2.0 + float(m_field) * m_stepY) / 2.0;
 
   float bstep = step(m_stepY, temp1);
 
@@ -61,22 +61,22 @@ void main()
   vec2 belowY, belowU, belowV;
 
   belowY.x = offsetY.x;
-  belowY.y = offsetY.y + (2.0*m_stepY*bstep);
+  belowY.y = offsetY.y + (2.0 * m_stepY * bstep);
   belowU.x = offsetU.x;
-  belowU.y = offsetU.y + (m_stepY*bstep);
+  belowU.y = offsetU.y + (m_stepY * bstep);
   belowV.x = offsetV.x;
-  belowV.y = offsetV.y + (m_stepY*bstep);
+  belowV.y = offsetV.y + (m_stepY * bstep);
 
   vec4 rgbAbove;
   vec4 rgbBelow;
   vec4 yuvAbove;
   vec4 yuvBelow;
 
-  yuvAbove.rgba = vec4(texture2D(m_sampY, offsetY).r, texture2D(m_sampU, offsetU).g, texture2D(m_sampV, offsetV).a, 1.0);
+  yuvAbove = vec4(texture2D(m_sampY, offsetY).r, texture2D(m_sampU, offsetU).g, texture2D(m_sampV, offsetV).a, 1.0);
   rgbAbove = m_yuvmat * yuvAbove;
   rgbAbove.a = m_alpha;
 
-  yuvBelow.rgba = vec4(texture2D(m_sampY, belowY).r, texture2D(m_sampU, belowU).g, texture2D(m_sampV, belowV).a, 1.0);
+  yuvBelow = vec4(texture2D(m_sampY, belowY).r, texture2D(m_sampU, belowU).g, texture2D(m_sampV, belowV).a, 1.0);
   rgbBelow = m_yuvmat * yuvBelow;
   rgbBelow.a = m_alpha;
 
@@ -94,5 +94,5 @@ void main()
 
 #endif
 
-  gl_FragColor.rgba = rgb;
+  gl_FragColor = rgb;
 }