From f766e401db69ba687e45052c46840577ac929322 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pa=CC=84vels=20Nadtoc=CC=8Cajevs?=
 <7645683+bruvzg@users.noreply.github.com>
Date: Sun, 31 Aug 2025 23:35:33 +0300
Subject: [PATCH] [MSDF] Fix outline bleed out at small sizes.

---
 drivers/gles3/shaders/canvas.glsl                 | 2 +-
 scene/resources/material.cpp                      | 2 +-
 servers/rendering/renderer_rd/shaders/canvas.glsl | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gles3/shaders/canvas.glsl b/drivers/gles3/shaders/canvas.glsl
index fcf290a8f3..37d851a3c0 100644
--- a/drivers/gles3/shaders/canvas.glsl
+++ b/drivers/gles3/shaders/canvas.glsl
@@ -611,7 +611,7 @@ void main() {
 		if (outline_thickness > 0.0) {
 			float cr = clamp(outline_thickness, 0.0, (px_range / 2.0) - 1.0) / px_range;
 			d = min(d, msdf_sample.a);
-			float a = clamp((d - 0.5 + cr) * px_size + 0.5, 0.0, 1.0);
+			float a = clamp((d - 0.5 + cr) * px_size, 0.0, 1.0);
 			color.a = a * color.a;
 		} else {
 			float a = clamp((d - 0.5) * px_size + 0.5, 0.0, 1.0);
diff --git a/scene/resources/material.cpp b/scene/resources/material.cpp
index 45ee2b380e..cd42fd1e06 100644
--- a/scene/resources/material.cpp
+++ b/scene/resources/material.cpp
@@ -1641,7 +1641,7 @@ void fragment() {)";
 		if (msdf_outline_size > 0.0) {
 			float cr = clamp(msdf_outline_size, 0.0, (msdf_pixel_range / 2.0) - 1.0) / msdf_pixel_range;
 			d = min(d, albedo_tex.a);
-			albedo_tex.a = clamp((d - 0.5 + cr) * px_size + 0.5, 0.0, 1.0);
+			albedo_tex.a = clamp((d - 0.5 + cr) * px_size, 0.0, 1.0);
 		} else {
 			albedo_tex.a = clamp((d - 0.5) * px_size + 0.5, 0.0, 1.0);
 		}
diff --git a/servers/rendering/renderer_rd/shaders/canvas.glsl b/servers/rendering/renderer_rd/shaders/canvas.glsl
index 3c71066cee..1b1c67f4a0 100644
--- a/servers/rendering/renderer_rd/shaders/canvas.glsl
+++ b/servers/rendering/renderer_rd/shaders/canvas.glsl
@@ -518,7 +518,7 @@ void main() {
 		if (outline_thickness > 0) {
 			float cr = clamp(outline_thickness, 0.0, (px_range / 2.0) - 1.0) / px_range;
 			d = min(d, msdf_sample.a);
-			float a = clamp((d - 0.5 + cr) * px_size + 0.5, 0.0, 1.0);
+			float a = clamp((d - 0.5 + cr) * px_size, 0.0, 1.0);
 			color.a = a * color.a;
 		} else {
 			float a = clamp((d - 0.5) * px_size + 0.5, 0.0, 1.0);