Update border

liquid-glass/src/main/java/com/kyant/liquidglass/GlassBorder.kt

@@ -8,6 +8,7 @@ import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.Stable
 import androidx.compose.ui.geometry.Size
 import androidx.compose.ui.unit.Density
+import androidx.compose.ui.unit.dp
 import kotlin.math.PI
 
 @Immutable
@@ -27,7 +28,7 @@ sealed interface GlassBorder {
     @Immutable
     data class Highlight(
         val angle: Float = 45f,
-        val decay: Float = 2f
+        val decay: Float = 1f
     ) : GlassBorder {
 
         private var highlightShaderCache: RuntimeShader? = null
@@ -37,8 +38,8 @@ sealed interface GlassBorder {
                 val blurRenderEffect =
                     cachedBlurRenderEffect
                         ?: RenderEffect.createBlurEffect(
-                            2f,
-                            2f,
+                            with(density) { 0.5f.dp.toPx() },
+                            with(density) { 0.5f.dp.toPx() },
                             Shader.TileMode.DECAL
                         ).also { cachedBlurRenderEffect = it }
 

liquid-glass/src/main/java/com/kyant/liquidglass/LiquidGlassModifier.kt

@@ -240,19 +240,17 @@ internal class LiquidGlassModifierNode(
                 graphicsLayer?.renderEffect = renderEffect.asComposeRenderEffect()
 
                 if (style.border != GlassBorder.None) {
+                    borderGraphicsLayer?.let { layer ->
+                        val borderOutline = style.shape.createOutline(size, layoutDirection, this)
                         val borderRenderEffect = style.border.createRenderEffect(this, size, cornerRadiusPx)
 
-                    borderGraphicsLayer?.let { layer ->
                         layer.renderEffect = borderRenderEffect?.asComposeRenderEffect()
                         layer.blendMode = BlendMode.Plus
-
-                        val borderOutline = style.shape.createOutline(size, layoutDirection, this)
-
                         layer.record {
                             drawOutline(
                                 outline = borderOutline,
-                                brush = SolidColor(Color.White),
-                                style = Stroke(1.5f.dp.toPx())
+                                brush = SolidColor(Color.White.copy(alpha = 0.4f)),
+                                style = Stroke(2.dp.toPx())
                             )
                         }
                     }
@@ -304,22 +302,28 @@ internal class LiquidGlassModifierNode(
     }
 
     override fun onAttach() {
+        val graphicsContext = requireGraphicsContext()
         graphicsLayer =
-            requireGraphicsContext().createGraphicsLayer().apply {
+            graphicsContext.createGraphicsLayer().apply {
                 compositingStrategy = androidx.compose.ui.graphics.layer.CompositingStrategy.Offscreen
             }
         borderGraphicsLayer =
-            requireGraphicsContext().createGraphicsLayer().apply {
+            graphicsContext.createGraphicsLayer().apply {
                 compositingStrategy = androidx.compose.ui.graphics.layer.CompositingStrategy.Offscreen
             }
     }
 
     override fun onDetach() {
-        graphicsLayer?.let { layer -> requireGraphicsContext().releaseGraphicsLayer(layer) }
-        borderGraphicsLayer?.let { layer -> requireGraphicsContext().releaseGraphicsLayer(layer) }
+        val graphicsContext = requireGraphicsContext()
+        graphicsLayer?.let { layer ->
+            graphicsContext.releaseGraphicsLayer(layer)
             graphicsLayer = null
+        }
+        borderGraphicsLayer?.let { layer ->
+            graphicsContext.releaseGraphicsLayer(layer)
             borderGraphicsLayer = null
         }
+    }
 
     fun update(
         state: LiquidGlassProviderState,

liquid-glass/src/main/java/com/kyant/liquidglass/LiquidGlassShaders.kt

@@ -180,7 +180,7 @@ internal object LiquidGlassShaders {
         
         float2 grad = gradSdRoundedRectangle(centeredCoord, halfSize, cornerRadius);
         float2 topLightNormal = float2(-cos(angle), -sin(angle));
-        float topLightFraction = dot(topLightNormal, grad) * 0.7;
+        float topLightFraction = dot(topLightNormal, grad);
         float bottomLightFraction = -topLightFraction;
         float fraction = pow(max(topLightFraction, bottomLightFraction), decay);