Use the Static global illumination mode in GeometryInstance3D by default

This makes VoxelGI and SDFGI work out of the box with primitive meshes,
loaded OBJ meshes and CSG nodes.

scene/3d/visual_instance_3d.cpp

@@ -471,7 +471,6 @@ void GeometryInstance3D::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "visibility_range_end", PROPERTY_HINT_RANGE, "0.0,4096.0,0.01,suffix:m"), "set_visibility_range_end", "get_visibility_range_end");
 	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "visibility_range_end_margin", PROPERTY_HINT_RANGE, "0.0,4096.0,0.01,suffix:m"), "set_visibility_range_end_margin", "get_visibility_range_end_margin");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "visibility_range_fade_mode", PROPERTY_HINT_ENUM, "Disabled,Self,Dependencies"), "set_visibility_range_fade_mode", "get_visibility_range_fade_mode");
-	//ADD_SIGNAL( MethodInfo("visibility_changed"));
 
 	BIND_ENUM_CONSTANT(SHADOW_CASTING_SETTING_OFF);
 	BIND_ENUM_CONSTANT(SHADOW_CASTING_SETTING_ON);
@@ -494,7 +493,6 @@ void GeometryInstance3D::_bind_methods() {
 }
 
 GeometryInstance3D::GeometryInstance3D() {
-	//RS::get_singleton()->instance_geometry_set_baked_light_texture_index(get_instance(),0);
 }
 
 GeometryInstance3D::~GeometryInstance3D() {

scene/3d/visual_instance_3d.h

@@ -126,7 +126,7 @@ private:
 
 	float extra_cull_margin = 0.0;
 	LightmapScale lightmap_scale = LIGHTMAP_SCALE_1X;
-	GIMode gi_mode = GI_MODE_DISABLED;
+	GIMode gi_mode = GI_MODE_STATIC;
 	bool ignore_occlusion_culling = false;
 
 	const StringName *_instance_uniform_get_remap(const StringName p_name) const;

servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.h

@@ -536,7 +536,7 @@ class RenderForwardClustered : public RendererSceneRenderRD {
 			AABB aabb;
 
 			bool use_dynamic_gi = false;
-			bool use_baked_light = false;
+			bool use_baked_light = true;
 			bool cast_double_sided_shadows = false;
 			bool mirror = false;
 			bool dirty_dependencies = false;

servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.h

@@ -591,7 +591,7 @@ protected:
 			RID material_overlay;
 			AABB aabb;
 
-			bool use_baked_light = false;
+			bool use_baked_light = true;
 			bool cast_double_sided_shadows = false;
 			// bool mirror = false; // !BAS! Does not seem used, we already have this in the main struct
 

servers/rendering/renderer_scene_cull.h

@@ -526,7 +526,7 @@ public:
 			receive_shadows = true;
 			visible = true;
 			layer_mask = 1;
-			baked_light = false;
+			baked_light = true;
 			dynamic_gi = false;
 			redraw_if_visible = false;
 			lightmap_slice_index = 0;