X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=overlay_effect.cpp;h=3440f76bf6a5a415325c0b7eb9af7cd15c20b48d;hp=799c359739adbe9ecca559874d3c9a058ae29d20;hb=f216b7bef5a968c89f6fc78e83cc26a91e504a8a;hpb=5e05605a85a15944b95d7000745446756cdcbfa8

diff --git a/overlay_effect.cpp b/overlay_effect.cpp
index 799c359..3440f76 100644
--- a/overlay_effect.cpp
+++ b/overlay_effect.cpp
@@ -1,9 +1,21 @@
 #include "overlay_effect.h"
 #include "util.h"
 
-OverlayEffect::OverlayEffect() {}
+using namespace std;
 
-std::string OverlayEffect::output_fragment_shader()
+namespace movit {
+
+OverlayEffect::OverlayEffect()
+	: swap_inputs(false)
 {
-	return read_file("overlay_effect.frag");
+	register_int("swap_inputs", (int *)&swap_inputs);
 }
+
+string OverlayEffect::output_fragment_shader()
+{
+	char buf[256];
+	snprintf(buf, sizeof(buf), "#define SWAP_INPUTS %d\n", swap_inputs);
+	return buf + read_file("overlay_effect.frag");
+}
+
+}  // namespace movit