Updated shaders with comments

examples/resources/shaders/glsl330/bloom.fs

@@ -17,7 +17,7 @@ void main()
 {
     vec4 sum = vec4(0);
     vec4 tc = vec4(0);
-    
+
     for (int i = -4; i < 4; i++)
     {
         for (int j = -3; j < 3; j++)

examples/resources/shaders/glsl330/phong.fs

@@ -29,6 +29,9 @@ uniform float matGlossiness = 50.0;
 uniform vec3 lightPosition;
 uniform vec3 cameraPosition;
 
+// Fragment shader output data
+out vec4 fragColor;
+
 // Calculate ambient lighting component
 vec3 AmbientLighting()
 {

examples/resources/shaders/glsl330/swirl.fs

@@ -21,7 +21,7 @@ float angle = 0.8;
 
 uniform vec2 center = vec2(200.0, 200.0);
 
-void main (void)
+void main()
 {
     vec2 texSize = vec2(renderWidth, renderHeight);
     vec2 tc = fragTexCoord*texSize;