1 files changed, 4 insertions, 4 deletions
diff --git a/res/effectlib/distancefieldtext_dropshadow_core.frag b/res/effectlib/distancefieldtext_dropshadow_core.frag
index e13182e..8e8c61d 100644
--- a/res/effectlib/distancefieldtext_dropshadow_core.frag
+++ b/res/effectlib/distancefieldtext_dropshadow_core.frag
@@ -12,16 +12,16 @@ void main()
                                    clamp(shadowSampleCoord,
                                          normalizedTextureBounds.xy,
                                          normalizedTextureBounds.zw)).r;
-    float shadowDistanceD = fwidth(shadowDistance);
-    float shadowAlpha = smoothstep(0.5 - shadowDistanceD, 0.5, shadowDistance);
+    float shadowDistanceD = fwidth(shadowDistance) * 0.5;
+    float shadowAlpha = smoothstep(0.5 - shadowDistanceD, 0.5 + shadowDistanceD, shadowDistance);
     vec4 shadowPixel = color * shadowColor * shadowAlpha;
 
     float textDistance = texture(_qt_texture,
                                  clamp(sampleCoord,
                                        normalizedTextureBounds.xy,
                                        normalizedTextureBounds.zw)).r;
-    float textDistanceD = fwidth(textDistance);
-    float textAlpha = smoothstep(0.5 - textDistanceD, 0.5, textDistance);
+    float textDistanceD = fwidth(textDistance) * 0.5;
+    float textAlpha = smoothstep(0.5 - textDistanceD, 0.5 + textDistanceD, textDistance);
     vec4 textPixel = color * textAlpha;
 
     fragOutput = mix(shadowPixel, textPixel, textPixel.a);