Add a diffusion effect, and hook it up in the GUI.

[movit] / overlay_matte_effect.frag

diff --git a/overlay_matte_effect.frag b/overlay_matte_effect.frag
new file mode 100644 (file)
index 0000000..f80f0b1
--- /dev/null
+++ b/overlay_matte_effect.frag
@@ -0,0 +1,5 @@
+vec4 FUNCNAME(vec2 tc) {
+       vec4 orig = INPUT1(tc);
+       vec4 blurred = INPUT2(tc);
+       return mix(orig, blurred, orig * vec4(PREFIX(blurred_mix_amount)));
+}