Folders rename for consistency on shaders version

shaders/glsl100/pixel.fs

@@ -0,0 +1,28 @@
+#version 100
+
+precision mediump float;
+
+varying vec2 fragTexCoord;
+
+uniform sampler2D texture0;
+uniform vec4 fragTintColor;
+
+// NOTE: Add here your custom variables 
+
+const float renderWidth = 1280;
+const float renderHeight = 720;
+
+uniform float pixelWidth = 5.0f;
+uniform float pixelHeight = 5.0f;
+
+void main() 
+{ 
+    float dx = pixelWidth*(1.0/renderWidth);
+    float dy = pixelHeight*(1.0/renderHeight);
+    
+    vec2 coord = vec2(dx*floor(fragTexCoord.x/dx), dy*floor(fragTexCoord.y/dy));
+    
+    vec3 tc = texture2D(texture0, coord).rgb;
+
+    gl_FragColor = vec4(tc, 1.0);
+}