From ba5f85c74c7de0033871b1a04b51c61daecb84fc Mon Sep 17 00:00:00 2001
From: Leon Styhre <leon.styhre@nw-soft.com>
Date: Sun, 9 Feb 2025 17:35:59 +0100
Subject: [PATCH] Fixed an issue where applying rounded corners caused
 rendering artfifacts if the texture did not use premultiplied alpha

---
 resources/shaders/glsl/core.glsl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/resources/shaders/glsl/core.glsl b/resources/shaders/glsl/core.glsl
index e5372a65d..669e6df3b 100644
--- a/resources/shaders/glsl/core.glsl
+++ b/resources/shaders/glsl/core.glsl
@@ -107,8 +107,10 @@ void main()
             else
                 pixelValue = 1.0;
 
-            sampledColor.a *= pixelValue;
-            sampledColor.rgb *= pixelValue;
+            if (0x0u != (shaderFlags & 0x01u))
+                sampledColor *= pixelValue;
+            else
+                sampledColor.a *= pixelValue;
         }
     }