3 files changed, 24 insertions, 2 deletions

diff --git a/scene/main/scene_tree.cpp b/scene/main/scene_tree.cpp
index adefb53862..ea0fe6fcc2 100644
--- a/scene/main/scene_tree.cpp
+++ b/scene/main/scene_tree.cpp
@@ -1383,14 +1383,17 @@ SceneTree::SceneTree() {
 	root->set_as_audio_listener_2d(true);
 	current_scene = nullptr;
 
-	int msaa_mode = GLOBAL_DEF("rendering/quality/screen_filters/msaa", 0);
+	const int msaa_mode = GLOBAL_DEF("rendering/quality/screen_filters/msaa", 0);
 	ProjectSettings::get_singleton()->set_custom_property_info("rendering/quality/screen_filters/msaa", PropertyInfo(Variant::INT, "rendering/quality/screen_filters/msaa", PROPERTY_HINT_ENUM, "Disabled (Fastest),2x (Fast),4x (Average),8x (Slow),16x (Slower)"));
 	root->set_msaa(Viewport::MSAA(msaa_mode));
 
-	int ssaa_mode = GLOBAL_DEF("rendering/quality/screen_filters/screen_space_aa", 0);
+	const int ssaa_mode = GLOBAL_DEF("rendering/quality/screen_filters/screen_space_aa", 0);
 	ProjectSettings::get_singleton()->set_custom_property_info("rendering/quality/screen_filters/screen_space_aa", PropertyInfo(Variant::INT, "rendering/quality/screen_filters/screen_space_aa", PROPERTY_HINT_ENUM, "Disabled (Fastest),FXAA (Fast)"));
 	root->set_screen_space_aa(Viewport::ScreenSpaceAA(ssaa_mode));
 
+	const bool use_debanding = GLOBAL_DEF("rendering/quality/screen_filters/use_debanding", false);
+	root->set_use_debanding(use_debanding);
+
 	{ //load default fallback environment
 		//get possible extensions
 		List<String> exts;
diff --git a/scene/main/viewport.cpp b/scene/main/viewport.cpp
index d962171555..29783180b8 100644
--- a/scene/main/viewport.cpp
+++ b/scene/main/viewport.cpp
@@ -3133,6 +3133,17 @@ Viewport::ScreenSpaceAA Viewport::get_screen_space_aa() const {
 	return screen_space_aa;
 }
 
+void Viewport::set_use_debanding(bool p_use_debanding) {
+	if (use_debanding == p_use_debanding)
+		return;
+	use_debanding = p_use_debanding;
+	RS::get_singleton()->viewport_set_use_debanding(viewport, p_use_debanding);
+}
+
+bool Viewport::is_using_debanding() const {
+	return use_debanding;
+}
+
 void Viewport::set_debug_draw(DebugDraw p_debug_draw) {
 	debug_draw = p_debug_draw;
 	RS::get_singleton()->viewport_set_debug_draw(viewport, RS::ViewportDebugDraw(p_debug_draw));
@@ -3319,6 +3330,9 @@ void Viewport::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_screen_space_aa", "screen_space_aa"), &Viewport::set_screen_space_aa);
 	ClassDB::bind_method(D_METHOD("get_screen_space_aa"), &Viewport::get_screen_space_aa);
 
+	ClassDB::bind_method(D_METHOD("set_use_debanding", "enable"), &Viewport::set_use_debanding);
+	ClassDB::bind_method(D_METHOD("is_using_debanding"), &Viewport::is_using_debanding);
+
 	ClassDB::bind_method(D_METHOD("set_debug_draw", "debug_draw"), &Viewport::set_debug_draw);
 	ClassDB::bind_method(D_METHOD("get_debug_draw"), &Viewport::get_debug_draw);
 
@@ -3392,6 +3406,7 @@ void Viewport::_bind_methods() {
 	ADD_GROUP("Rendering", "");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "msaa", PROPERTY_HINT_ENUM, "Disabled,2x,4x,8x,16x,AndroidVR 2x,AndroidVR 4x"), "set_msaa", "get_msaa");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "screen_space_aa", PROPERTY_HINT_ENUM, "Disabled,FXAA"), "set_screen_space_aa", "get_screen_space_aa");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_debanding"), "set_use_debanding", "is_using_debanding");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "debug_draw", PROPERTY_HINT_ENUM, "Disabled,Unshaded,Overdraw,Wireframe"), "set_debug_draw", "get_debug_draw");
 	ADD_GROUP("Canvas Items", "canvas_item_");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "canvas_item_default_texture_filter", PROPERTY_HINT_ENUM, "Nearest,Linear,MipmapLinear,MipmapNearest"), "set_default_canvas_item_texture_filter", "get_default_canvas_item_texture_filter");
diff --git a/scene/main/viewport.h b/scene/main/viewport.h
index 52145a7761..ba089494d1 100644
--- a/scene/main/viewport.h
+++ b/scene/main/viewport.h
@@ -279,6 +279,7 @@ private:
 
 	MSAA msaa;
 	ScreenSpaceAA screen_space_aa;
+	bool use_debanding;
 	Ref<ViewportTexture> default_texture;
 	Set<ViewportTexture *> viewport_textures;
 
@@ -521,6 +522,9 @@ public:
 	void set_screen_space_aa(ScreenSpaceAA p_screen_space_aa);
 	ScreenSpaceAA get_screen_space_aa() const;
 
+	void set_use_debanding(bool p_use_debanding);
+	bool is_using_debanding() const;
+
 	Vector2 get_camera_coords(const Vector2 &p_viewport_coords) const;
 	Vector2 get_camera_rect_size() const;