Storing some computations to texture.

app/PreprocessedTerminal.qml

@@ -359,7 +359,12 @@ Item{
                  }" +
 
         "void main() {" +
-            "gl_FragColor.a = getScanlineIntensity(qt_TexCoord0);" +
+            "float distance = length(vec2(0.5) - qt_TexCoord0);" +
+
+            "float color = getScanlineIntensity(qt_TexCoord0);" +
+            "color = mix(color, 0.0, 1.2 * distance * distance);" +
+
+            "gl_FragColor.a = color;" +
         "}"
     }
     ShaderEffectSource{

app/ShaderTerminal.qml

@@ -169,7 +169,6 @@ ShaderEffect {
                 color += texture2D(bloomSource, coords).r *" + str(2.5 * bloom) + ";" : "") +
 
             "vec3 finalColor = mix(background_color, font_color, color).rgb;" +
-            "finalColor = mix(finalColor * 1.1, vec3(0.0), 1.2 * distance * distance);" +
             "finalColor *= texture2D(rasterizationSource, coords).a;" +
 
             (brightness_flickering !== 0 ? "

app/app.qmlproject.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 3.0.1, 2014-06-27T20:58:56. -->
+<!-- Written by QtCreator 3.0.1, 2014-06-28T10:14:09. -->
 <qtcreator>
  <data>
   <variable>ProjectExplorer.Project.ActiveTarget</variable>