Initial TAA implementation

Initial TAA support based on the implementation in Spartan Engine.

Motion vectors are correctly generated for camera and mesh movement, but there is no support for other things like particles or skeleton deformations.

1 files changed, 17 insertions, 0 deletions

diff --git a/scene/main/viewport.cpp b/scene/main/viewport.cpp
index 7c7809fd75..772bb2bbd1 100644
--- a/scene/main/viewport.cpp
+++ b/scene/main/viewport.cpp
@@ -2897,6 +2897,18 @@ Viewport::ScreenSpaceAA Viewport::get_screen_space_aa() const {
 	return screen_space_aa;
 }
 
+void Viewport::set_use_taa(bool p_use_taa) {
+	if (use_taa == p_use_taa) {
+		return;
+	}
+	use_taa = p_use_taa;
+	RS::get_singleton()->viewport_set_use_taa(viewport, p_use_taa);
+}
+
+bool Viewport::is_using_taa() const {
+	return use_taa;
+}
+
 void Viewport::set_use_debanding(bool p_use_debanding) {
 	if (use_debanding == p_use_debanding) {
 		return;
@@ -3632,6 +3644,9 @@ 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_taa", "enable"), &Viewport::set_use_taa);
+	ClassDB::bind_method(D_METHOD("is_using_taa"), &Viewport::is_using_taa);
+
 	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);
 
@@ -3760,6 +3775,7 @@ void Viewport::_bind_methods() {
 	ADD_GROUP("Rendering", "");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "msaa", PROPERTY_HINT_ENUM, String::utf8("Disabled (Fastest),2× (Average),4× (Slow),8× (Slowest)")), "set_msaa", "get_msaa");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "screen_space_aa", PROPERTY_HINT_ENUM, "Disabled (Fastest),FXAA (Fast)"), "set_screen_space_aa", "get_screen_space_aa");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_taa"), "set_use_taa", "is_using_taa");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_debanding"), "set_use_debanding", "is_using_debanding");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_occlusion_culling"), "set_use_occlusion_culling", "is_using_occlusion_culling");
 	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "mesh_lod_threshold", PROPERTY_HINT_RANGE, "0,1024,0.1"), "set_mesh_lod_threshold", "get_mesh_lod_threshold");
@@ -3858,6 +3874,7 @@ void Viewport::_bind_methods() {
 	BIND_ENUM_CONSTANT(DEBUG_DRAW_CLUSTER_DECALS);
 	BIND_ENUM_CONSTANT(DEBUG_DRAW_CLUSTER_REFLECTION_PROBES);
 	BIND_ENUM_CONSTANT(DEBUG_DRAW_OCCLUDERS)
+	BIND_ENUM_CONSTANT(DEBUG_DRAW_MOTION_VECTORS)
 
 	BIND_ENUM_CONSTANT(DEFAULT_CANVAS_ITEM_TEXTURE_FILTER_NEAREST);
 	BIND_ENUM_CONSTANT(DEFAULT_CANVAS_ITEM_TEXTURE_FILTER_LINEAR);