Updated shaders pack

Some deep review of this shaders is required for optimization...

shaders/glsl100/swirl.fs

@@ -8,12 +8,13 @@ varying vec4 fragColor;
 
 // Input uniform values
 uniform sampler2D texture0;
-uniform vec4 fragTintColor;
+uniform vec4 colDiffuse;
 
 // NOTE: Add here your custom variables
 
-const float renderWidth = 800.0;      // HARDCODED for example!
-const float renderHeight = 480.0;     // Use uniforms instead...
+// NOTE: Render size values must be passed from code
+const float renderWidth = 800;
+const float renderHeight = 450;
 
 float radius = 250.0;
 float angle = 0.8;