Storing some computations to texture.

2014-06-28 11:47:10 +02:00
parent 211afe6dce
commit 9eee62b3a4
3 changed files with 7 additions and 3 deletions
@@ -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{