From e4557d18574e015ea2d3be0efcceac26199fa58d Mon Sep 17 00:00:00 2001
From: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
Date: Fri, 10 Aug 2018 17:46:39 +0200
Subject: [PATCH] Add support for lift/gamma/gain in the theme.

Patch by Alexandre Thomazo, taken from the Breizhcamp repository.
---
 theme.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/theme.cpp b/theme.cpp
index 55088ef..ca4de4f 100644
--- a/theme.cpp
+++ b/theme.cpp
@@ -10,6 +10,7 @@
 #include <movit/effect_chain.h>
 #include <movit/image_format.h>
 #include <movit/input.h>
+#include <movit/lift_gamma_gain_effect.h>
 #include <movit/mix_effect.h>
 #include <movit/multiply_effect.h>
 #include <movit/overlay_effect.h>
@@ -219,6 +220,7 @@ Effect *get_effect(lua_State *L, int idx)
 	    luaL_testudata(L, idx, "ResizeEffect") ||
 	    luaL_testudata(L, idx, "MultiplyEffect") ||
 	    luaL_testudata(L, idx, "MixEffect") ||
+	    luaL_testudata(L, idx, "LiftGammaGainEffect") ||
 	    luaL_testudata(L, idx, "ImageInput")) {
 		return *(Effect **)lua_touserdata(L, idx);
 	}
@@ -617,6 +619,12 @@ int MixEffect_new(lua_State* L)
 	return wrap_lua_object_nonowned<MixEffect>(L, "MixEffect");
 }
 
+int LiftGammaGainEffect_new(lua_State* L)
+{
+	assert(lua_gettop(L) == 0);
+	return wrap_lua_object_nonowned<LiftGammaGainEffect>(L, "LiftGammaGainEffect");
+}
+
 int InputStateInfo_get_width(lua_State* L)
 {
 	assert(lua_gettop(L) == 2);
@@ -865,6 +873,15 @@ const luaL_Reg MixEffect_funcs[] = {
 	{ NULL, NULL }
 };
 
+const luaL_Reg LiftGammaGainEffect_funcs[] = {
+	{ "new", LiftGammaGainEffect_new },
+	{ "set_float", Effect_set_float },
+	{ "set_int", Effect_set_int },
+	{ "set_vec3", Effect_set_vec3 },
+	{ "set_vec4", Effect_set_vec4 },
+	{ NULL, NULL }
+};
+
 const luaL_Reg InputStateInfo_funcs[] = {
 	{ "get_width", InputStateInfo_get_width },
 	{ "get_height", InputStateInfo_get_height },
@@ -1199,6 +1216,7 @@ Theme::Theme(const string &filename, const vector<string> &search_dirs, Resource
 	register_class("ResizeEffect", ResizeEffect_funcs);
 	register_class("MultiplyEffect", MultiplyEffect_funcs);
 	register_class("MixEffect", MixEffect_funcs);
+	register_class("LiftGammaGainEffect", LiftGammaGainEffect_funcs);
 	register_class("InputStateInfo", InputStateInfo_funcs);
 	register_class("ThemeMenu", ThemeMenu_funcs);
 
-- 
2.39.2