From 9fb96609122471e50a07478bd37b17d7c4482284 Mon Sep 17 00:00:00 2001
From: bruvzg <7645683+bruvzg@users.noreply.github.com>
Date: Mon, 3 Jun 2024 19:46:49 +0300
Subject: [PATCH] Force canvas item update on oversampling change.

---
 scene/main/viewport.cpp |  5 +++--
 scene/main/viewport.h   |  2 +-
 scene/main/window.cpp   | 11 ++++++++---
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/scene/main/viewport.cpp b/scene/main/viewport.cpp
index 26128a08ab3..38bd7141c24 100644
--- a/scene/main/viewport.cpp
+++ b/scene/main/viewport.cpp
@@ -975,7 +975,7 @@ void Viewport::update_canvas_items() {
 	_update_canvas_items(this);
 }
 
-void Viewport::_set_size(const Size2i &p_size, const Size2i &p_size_2d_override, bool p_allocated) {
+bool Viewport::_set_size(const Size2i &p_size, const Size2i &p_size_2d_override, bool p_allocated) {
 	Transform2D stretch_transform_new = Transform2D();
 	if (is_size_2d_override_stretch_enabled() && p_size_2d_override.width > 0 && p_size_2d_override.height > 0) {
 		Size2 scale = Size2(p_size) / Size2(p_size_2d_override);
@@ -984,7 +984,7 @@ void Viewport::_set_size(const Size2i &p_size, const Size2i &p_size_2d_override,
 
 	Size2i new_size = p_size.maxi(2);
 	if (size == new_size && size_allocated == p_allocated && stretch_transform == stretch_transform_new && p_size_2d_override == size_2d_override) {
-		return;
+		return false;
 	}
 
 	size = new_size;
@@ -1027,6 +1027,7 @@ void Viewport::_set_size(const Size2i &p_size, const Size2i &p_size_2d_override,
 			sw->set_size(new_rect.size);
 		}
 	}
+	return true;
 }
 
 Size2i Viewport::_get_size() const {
diff --git a/scene/main/viewport.h b/scene/main/viewport.h
index 2474b890b06..df09755d4f6 100644
--- a/scene/main/viewport.h
+++ b/scene/main/viewport.h
@@ -475,7 +475,7 @@ private:
 	void _propagate_world_2d_changed(Node *p_node);
 
 protected:
-	void _set_size(const Size2i &p_size, const Size2i &p_size_2d_override, bool p_allocated);
+	bool _set_size(const Size2i &p_size, const Size2i &p_size_2d_override, bool p_allocated);
 
 	Size2i _get_size() const;
 	Size2i _get_size_2d_override() const;
diff --git a/scene/main/window.cpp b/scene/main/window.cpp
index 11c2d5b7afd..1c5f9cc6635 100644
--- a/scene/main/window.cpp
+++ b/scene/main/window.cpp
@@ -1096,7 +1096,7 @@ void Window::_update_viewport_size() {
 	Size2i final_size;
 	Size2i final_size_override;
 	Rect2i attach_to_screen_rect(Point2i(), size);
-	float font_oversampling = 1.0;
+	double font_oversampling = 1.0;
 	window_transform = Transform2D();
 
 	if (content_scale_stretch == Window::CONTENT_SCALE_STRETCH_INTEGER) {
@@ -1215,7 +1215,7 @@ void Window::_update_viewport_size() {
 	}
 
 	bool allocate = is_inside_tree() && visible && (window_id != DisplayServer::INVALID_WINDOW_ID || embedder != nullptr);
-	_set_size(final_size, final_size_override, allocate);
+	bool ci_updated = _set_size(final_size, final_size_override, allocate);
 
 	if (window_id != DisplayServer::INVALID_WINDOW_ID) {
 		RenderingServer::get_singleton()->viewport_attach_to_screen(get_viewport_rid(), attach_to_screen_rect, window_id);
@@ -1227,11 +1227,16 @@ void Window::_update_viewport_size() {
 		if (!use_font_oversampling) {
 			font_oversampling = 1.0;
 		}
-		if (TS->font_get_global_oversampling() != font_oversampling) {
+		if (!Math::is_equal_approx(TS->font_get_global_oversampling(), font_oversampling)) {
 			TS->font_set_global_oversampling(font_oversampling);
+			ci_updated = false;
 		}
 	}
 
+	if (!ci_updated) {
+		update_canvas_items();
+	}
+
 	notification(NOTIFICATION_WM_SIZE_CHANGED);
 
 	if (embedder) {