Addition of SDFGI for open world global illumination

Move GI to a deferred pass

3 files changed, 27 insertions, 6 deletions

diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index 21a66e8281..8940291626 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -360,7 +360,7 @@ void EditorNode::_notification(int p_what) {
 				bool dof_jitter = GLOBAL_GET("rendering/quality/depth_of_field/depth_of_field_use_jitter");
 				RS::get_singleton()->camera_effects_set_dof_blur_quality(dof_quality, dof_jitter);
 				RS::get_singleton()->environment_set_ssao_quality(RS::EnvironmentSSAOQuality(int(GLOBAL_GET("rendering/quality/ssao/quality"))), GLOBAL_GET("rendering/quality/ssao/half_size"));
-				RS::get_singleton()->screen_space_roughness_limiter_set_active(GLOBAL_GET("rendering/quality/screen_filters/screen_space_roughness_limiter"), GLOBAL_GET("rendering/quality/screen_filters/screen_space_roughness_limiter_curve"));
+				RS::get_singleton()->screen_space_roughness_limiter_set_active(GLOBAL_GET("rendering/quality/screen_filters/screen_space_roughness_limiter_enable"), GLOBAL_GET("rendering/quality/screen_filters/screen_space_roughness_limiter_amount"), GLOBAL_GET("rendering/quality/screen_filters/screen_space_roughness_limiter_limit"));
 				bool glow_bicubic = int(GLOBAL_GET("rendering/quality/glow/upscale_mode")) > 0;
 				RS::get_singleton()->environment_glow_set_use_bicubic_upscale(glow_bicubic);
 				RS::EnvironmentSSRRoughnessQuality ssr_roughness_quality = RS::EnvironmentSSRRoughnessQuality(int(GLOBAL_GET("rendering/quality/screen_space_reflection/roughness_quality")));
@@ -376,6 +376,12 @@ void EditorNode::_notification(int p_what) {
 				RS::get_singleton()->directional_shadow_quality_set(directional_shadow_quality);
 				float probe_update_speed = GLOBAL_GET("rendering/lightmapper/probe_capture_update_speed");
 				RS::get_singleton()->lightmap_set_probe_capture_update_speed(probe_update_speed);
+				RS::EnvironmentSDFGIFramesToConverge frames_to_converge = RS::EnvironmentSDFGIFramesToConverge(int(GLOBAL_GET("rendering/sdfgi/frames_to_converge")));
+				RS::get_singleton()->environment_set_sdfgi_frames_to_converge(frames_to_converge);
+				RS::EnvironmentSDFGIRayCount ray_count = RS::EnvironmentSDFGIRayCount(int(GLOBAL_GET("rendering/sdfgi/probe_ray_count")));
+				RS::get_singleton()->environment_set_sdfgi_ray_count(ray_count);
+				RS::GIProbeQuality gi_probe_quality = RS::GIProbeQuality(int(GLOBAL_GET("rendering/quality/gi_probes/quality")));
+				RS::get_singleton()->gi_probe_set_quality(gi_probe_quality);
 			}
 
 			ResourceImporterTexture::get_singleton()->update_imports();
diff --git a/editor/plugins/node_3d_editor_plugin.cpp b/editor/plugins/node_3d_editor_plugin.cpp
index ebd9c7f070..b51ea9e1c6 100644
--- a/editor/plugins/node_3d_editor_plugin.cpp
+++ b/editor/plugins/node_3d_editor_plugin.cpp
@@ -487,6 +487,10 @@ ObjectID Node3DEditorViewport::_select_ray(const Point2 &p_pos, bool p_append, b
 	Vector3 pos = _get_ray_pos(p_pos);
 	Vector2 shrinked_pos = p_pos / subviewport_container->get_stretch_shrink();
 
+	if (viewport->get_debug_draw() == Viewport::DEBUG_DRAW_SDFGI_PROBES) {
+		RS::get_singleton()->sdfgi_set_debug_probe_select(pos, ray);
+	}
+
 	Vector<ObjectID> instances = RenderingServer::get_singleton()->instances_cull_ray(pos, ray, get_tree()->get_root()->get_world_3d()->get_scenario());
 	Set<Ref<EditorNode3DGizmo>> found_gizmos;
 
@@ -2984,7 +2988,9 @@ void Node3DEditorViewport::_menu_option(int p_option) {
 		case VIEW_DISPLAY_DEBUG_SSAO:
 		case VIEW_DISPLAY_DEBUG_PSSM_SPLITS:
 		case VIEW_DISPLAY_DEBUG_DECAL_ATLAS:
-		case VIEW_DISPLAY_DEBUG_ROUGHNESS_LIMITER: {
+		case VIEW_DISPLAY_DEBUG_SDFGI:
+		case VIEW_DISPLAY_DEBUG_SDFGI_PROBES:
+		case VIEW_DISPLAY_DEBUG_GI_BUFFER: {
 			static const int display_options[] = {
 				VIEW_DISPLAY_NORMAL,
 				VIEW_DISPLAY_WIREFRAME,
@@ -3000,9 +3006,11 @@ void Node3DEditorViewport::_menu_option(int p_option) {
 				VIEW_DISPLAY_DEBUG_GIPROBE_EMISSION,
 				VIEW_DISPLAY_DEBUG_SCENE_LUMINANCE,
 				VIEW_DISPLAY_DEBUG_SSAO,
-				VIEW_DISPLAY_DEBUG_ROUGHNESS_LIMITER,
+				VIEW_DISPLAY_DEBUG_GI_BUFFER,
 				VIEW_DISPLAY_DEBUG_PSSM_SPLITS,
 				VIEW_DISPLAY_DEBUG_DECAL_ATLAS,
+				VIEW_DISPLAY_DEBUG_SDFGI,
+				VIEW_DISPLAY_DEBUG_SDFGI_PROBES,
 				VIEW_MAX
 			};
 			static const Viewport::DebugDraw debug_draw_modes[] = {
@@ -3020,9 +3028,11 @@ void Node3DEditorViewport::_menu_option(int p_option) {
 				Viewport::DEBUG_DRAW_GI_PROBE_EMISSION,
 				Viewport::DEBUG_DRAW_SCENE_LUMINANCE,
 				Viewport::DEBUG_DRAW_SSAO,
-				Viewport::DEBUG_DRAW_ROUGHNESS_LIMITER,
+				Viewport::DEBUG_DRAW_GI_BUFFER,
 				Viewport::DEBUG_DRAW_PSSM_SPLITS,
 				Viewport::DEBUG_DRAW_DECAL_ATLAS,
+				Viewport::DEBUG_DRAW_SDFGI,
+				Viewport::DEBUG_DRAW_SDFGI_PROBES,
 			};
 
 			int idx = 0;
@@ -3898,11 +3908,14 @@ Node3DEditorViewport::Node3DEditorViewport(Node3DEditor *p_spatial_editor, Edito
 	display_submenu->add_radio_check_item(TTR("GIProbe Albedo"), VIEW_DISPLAY_DEBUG_GIPROBE_ALBEDO);
 	display_submenu->add_radio_check_item(TTR("GIProbe Emission"), VIEW_DISPLAY_DEBUG_GIPROBE_EMISSION);
 	display_submenu->add_separator();
+	display_submenu->add_radio_check_item(TTR("SDFGI Cascades"), VIEW_DISPLAY_DEBUG_SDFGI);
+	display_submenu->add_radio_check_item(TTR("SDFGI Probes"), VIEW_DISPLAY_DEBUG_SDFGI_PROBES);
+	display_submenu->add_separator();
 	display_submenu->add_radio_check_item(TTR("Scene Luminance"), VIEW_DISPLAY_DEBUG_SCENE_LUMINANCE);
 	display_submenu->add_separator();
 	display_submenu->add_radio_check_item(TTR("SSAO"), VIEW_DISPLAY_DEBUG_SSAO);
 	display_submenu->add_separator();
-	display_submenu->add_radio_check_item(TTR("Roughness Limiter"), VIEW_DISPLAY_DEBUG_ROUGHNESS_LIMITER);
+	display_submenu->add_radio_check_item(TTR("GI Buffer"), VIEW_DISPLAY_DEBUG_GI_BUFFER);
 	display_submenu->set_name("display_advanced");
 	view_menu->get_popup()->add_submenu_item(TTR("Display Advanced..."), "display_advanced", VIEW_DISPLAY_ADVANCED);
 	view_menu->get_popup()->add_separator();
diff --git a/editor/plugins/node_3d_editor_plugin.h b/editor/plugins/node_3d_editor_plugin.h
index 2fe1938f28..a40de78795 100644
--- a/editor/plugins/node_3d_editor_plugin.h
+++ b/editor/plugins/node_3d_editor_plugin.h
@@ -214,9 +214,11 @@ class Node3DEditorViewport : public Control {
 		VIEW_DISPLAY_DEBUG_GIPROBE_EMISSION,
 		VIEW_DISPLAY_DEBUG_SCENE_LUMINANCE,
 		VIEW_DISPLAY_DEBUG_SSAO,
-		VIEW_DISPLAY_DEBUG_ROUGHNESS_LIMITER,
 		VIEW_DISPLAY_DEBUG_PSSM_SPLITS,
 		VIEW_DISPLAY_DEBUG_DECAL_ATLAS,
+		VIEW_DISPLAY_DEBUG_SDFGI,
+		VIEW_DISPLAY_DEBUG_SDFGI_PROBES,
+		VIEW_DISPLAY_DEBUG_GI_BUFFER,
 		VIEW_LOCK_ROTATION,
 		VIEW_CINEMATIC_PREVIEW,
 		VIEW_AUTO_ORTHOGONAL,