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Code Releases Wiki Activity

Adjust StyleBoxFlat antialiasing to account for Viewport oversampling

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This commit is contained in:
Norbert Zentai
2025-08-06 16:32:17 +02:00
parent a4607f4522
commit a29be8f7c7
1 changed files with 9 additions and 8 deletions
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17
scene/resources/style_box_flat.cpp
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@@ -30,8 +30,8 @@
#include "style_box_flat.h"
#include "scene/main/scene_tree.h"
#include "scene/main/window.h"
#include "scene/main/canvas_item.h"
#include "scene/main/viewport.h"
#include "servers/rendering/rendering_server.h"
float StyleBoxFlat::get_style_margin(Side p_side) const {
@@ -497,17 +497,18 @@ void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
real_t aa_size_scaled = 1.0f;
if (aa_on) {
real_t scale_factor = 1.0f;
const SceneTree *tree = Object::cast_to<SceneTree>(OS::get_singleton()->get_main_loop());
if (tree) {
const Window *window = tree->get_root();
const Vector2 stretch_scale = window->get_stretch_transform().get_scale();
scale_factor = MIN(stretch_scale.x, stretch_scale.y);
CanvasItem *ci = CanvasItem::get_current_item_drawn();
if (ci) {
Viewport *vp = ci->get_viewport();
if (vp) {
scale_factor = vp->get_oversampling();
}
}
// Adjust AA feather size to account for the 2D scale factor, so that
// antialiasing doesn't become blurry at viewport resolutions higher
// than the default when using the `canvas_items` stretch mode
// (or when using `content_scale_factor` values different than `1.0`).
// (or when using `oversampling` values different than `1.0`).
aa_size_scaled = aa_size / scale_factor;
}