1 files changed, 12 insertions, 7 deletions
diff --git a/shaders/glsl330/blur.fs b/shaders/glsl330/blur.fs
index 44ea42b1..7c31f727 100644
--- a/shaders/glsl330/blur.fs
+++ b/shaders/glsl330/blur.fs
@@ -1,12 +1,16 @@
 #version 330
 
+// Input vertex attributes (from vertex shader)
 in vec2 fragTexCoord;
+in vec4 fragColor;
 
-out vec4 fragColor;
-
+// Input uniform values
 uniform sampler2D texture0;
 uniform vec4 fragTintColor;
 
+// Output fragment color
+out vec4 finalColor;
+
 // NOTE: Add here your custom variables
 
 const float renderWidth = 1280.0;
@@ -17,13 +21,14 @@ float weight[3] = float[](0.2270270270, 0.3162162162, 0.0702702703);
 
 void main()
 {
-    vec3 tc = texture(texture0, fragTexCoord).rgb*weight[0];
-
+    // Texel color fetching from texture sampler
+    vec3 texelColor = texture(texture0, fragTexCoord).rgb*weight[0];
+    
     for (int i = 1; i < 3; i++) 
     {
-        tc += texture(texture0, fragTexCoord + vec2(offset[i])/renderWidth, 0.0).rgb*weight[i];
-        tc += texture(texture0, fragTexCoord - vec2(offset[i])/renderWidth, 0.0).rgb*weight[i];
+        texelColor += texture(texture0, fragTexCoord + vec2(offset[i])/renderWidth, 0.0).rgb*weight[i];
+        texelColor += texture(texture0, fragTexCoord - vec2(offset[i])/renderWidth, 0.0).rgb*weight[i];
     }
 
-    fragColor = vec4(tc, 1.0);
+    finalColor = vec4(texelColor, 1.0);
 }
 \ No newline at end of file