1 files changed, 4 insertions, 0 deletions
diff --git a/shaders/glsl100/template.fs b/shaders/glsl100/template.fs
index 1f4b8ccf..a3942890 100644
--- a/shaders/glsl100/template.fs
+++ b/shaders/glsl100/template.fs
@@ -2,8 +2,11 @@
 
 precision mediump float;
 
+// Input vertex attributes (from vertex shader)
 varying vec2 fragTexCoord;
+varying vec4 fragColor;
 
+// Input uniform values
 uniform sampler2D texture0;
 uniform vec4 fragTintColor;
 
@@ -11,6 +14,7 @@ uniform vec4 fragTintColor;
 
 void main()
 {
+    // Texel color fetching from texture sampler
     vec4 texelColor = texture2D(texture0, fragTexCoord);
     
     // NOTE: Implement here your fragment shader code