1 files changed, 0 insertions, 14 deletions
diff --git a/src/effects/shaders/brightnesscontrast.frag b/src/effects/shaders/brightnesscontrast.frag
deleted file mode 100644
index 4a3d435..0000000
--- a/src/effects/shaders/brightnesscontrast.frag
+++ /dev/null
@@ -1,14 +0,0 @@
-varying mediump vec2 qt_TexCoord0;
-uniform highp float qt_Opacity;
-uniform lowp sampler2D source;
-uniform highp float brightness;
-uniform highp float contrast;
-void main() {
-    highp vec4 pixelColor = texture2D(source, qt_TexCoord0);
-    pixelColor.rgb /= max(1.0/256.0, pixelColor.a);
-    highp float c = 1.0 + contrast;
-    highp float contrastGainFactor = 1.0 + c * c * c * c * step(0.0, contrast);
-    pixelColor.rgb = ((pixelColor.rgb - 0.5) * (contrastGainFactor * contrast + 1.0)) + 0.5;
-    pixelColor.rgb = mix(pixelColor.rgb, vec3(step(0.0, brightness)), abs(brightness));
-    gl_FragColor = vec4(pixelColor.rgb * pixelColor.a, pixelColor.a) * qt_Opacity;
-}