From c47b5e71acae3c5e3fa3d1680530a5e849c18ed4 Mon Sep 17 00:00:00 2001
From: Roy Hyunjin Han <rhh@crosscompute.com>
Date: Wed, 13 May 2026 19:20:50 -0400
Subject: [PATCH 1/2] Fix https://github.com/visgl/deck.gl/issues/10300

---
 modules/core/src/shaderlib/misc/geometry.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/core/src/shaderlib/misc/geometry.ts b/modules/core/src/shaderlib/misc/geometry.ts
index 5b35e963c4c..429838c1be1 100644
--- a/modules/core/src/shaderlib/misc/geometry.ts
+++ b/modules/core/src/shaderlib/misc/geometry.ts
@@ -63,7 +63,8 @@ ${defines}
 
 struct FragmentGeometry {
   vec2 uv;
-} geometry;
+};
+FragmentGeometry geometry;
 
 float smoothedge(float edge, float x) {
   return smoothstep(edge - SMOOTH_EDGE_RADIUS, edge + SMOOTH_EDGE_RADIUS, x);

From 2482b67a665d3110e381aa5f95f57fb4fb6a81c3 Mon Sep 17 00:00:00 2001
From: Roy Hyunjin Han <rhh@crosscompute.com>
Date: Mon, 8 Jun 2026 02:30:10 -0400
Subject: [PATCH 2/2] Replace pow with exp

---
 modules/aggregation-layers/src/heatmap-layer/weights-fs.glsl.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/aggregation-layers/src/heatmap-layer/weights-fs.glsl.ts b/modules/aggregation-layers/src/heatmap-layer/weights-fs.glsl.ts
index be7579d5328..3811a33e629 100644
--- a/modules/aggregation-layers/src/heatmap-layer/weights-fs.glsl.ts
+++ b/modules/aggregation-layers/src/heatmap-layer/weights-fs.glsl.ts
@@ -11,7 +11,7 @@ out vec4 fragColor;
 //   return 0.75 * (1.0 - u * u);
 // }
 float gaussianKDE(float u){
-  return pow(2.71828, -u*u/0.05555)/(1.77245385*0.166666);
+  return exp(-u * u / 0.05555) / (1.77245385 * 0.166666);
 }
 void main()
 {