X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=overlay_effect.cpp;h=3440f76bf6a5a415325c0b7eb9af7cd15c20b48d;hp=09c16389cf39cece08c3c0fab88a0c839eb17592;hb=39474abd238b7c3b27ed08cfbf695caa0cca91dd;hpb=85f9719bf3519b1f1942738d11601584f5d38725

diff --git a/overlay_effect.cpp b/overlay_effect.cpp
index 09c1638..3440f76 100644
--- a/overlay_effect.cpp
+++ b/overlay_effect.cpp
@@ -3,9 +3,19 @@
 
 using namespace std;
 
-OverlayEffect::OverlayEffect() {}
+namespace movit {
+
+OverlayEffect::OverlayEffect()
+	: swap_inputs(false)
+{
+	register_int("swap_inputs", (int *)&swap_inputs);
+}
 
 string OverlayEffect::output_fragment_shader()
 {
-	return read_file("overlay_effect.frag");
+	char buf[256];
+	snprintf(buf, sizeof(buf), "#define SWAP_INPUTS %d\n", swap_inputs);
+	return buf + read_file("overlay_effect.frag");
 }
+
+}  // namespace movit