diff --git a/res/shaders/lib/Bounding.slang b/res/shaders/lib/Bounding.slang
index 2567001..b849cc3 100644
--- a/res/shaders/lib/Bounding.slang
+++ b/res/shaders/lib/Bounding.slang
@@ -70,7 +70,7 @@ struct AABB
             int2 screenCoords = int2(clamp(int(screenCorner.x), 0, int(pViewParams.screenDimensions.x)), clamp(int(screenCorner.y), 0, int(pViewParams.screenDimensions.y)));
             screenCornerMin = int2(min(screenCornerMin.x, screenCoords.x), min(screenCornerMin.y, screenCoords.y));
             screenCornerMax = int2(max(screenCornerMax.x, screenCoords.x), max(screenCornerMax.y, screenCoords.y));
-            maxDepth = max(maxDepth, 1/screenCorner.z);
+            maxDepth = max(maxDepth, screenCorner.z);
         }
         return maxDepth;
     }
diff --git a/res/shaders/lib/Common.slang b/res/shaders/lib/Common.slang
index 9a6d749..2b046e5 100644
--- a/res/shaders/lib/Common.slang
+++ b/res/shaders/lib/Common.slang
@@ -85,7 +85,10 @@ float4 clipToScreen(float4 clip)
 {
     float4 ndc = clip / clip.w;
     float2 texCoords = (float2(ndc.xy) + 1.0f) / 2.0f;
-    return float4(float2(texCoords.x, 1 - texCoords.y) * pViewParams.screenDimensions, 1 - ndc.z, 1.0f);
+    float oz = 1;
+    float pz = 0 - 1;
+    float zf = pz * ndc.z + oz;
+    return float4(float2(texCoords.x, 1 - texCoords.y) * pViewParams.screenDimensions, zf, 1.0f);
 }
 
 struct Plane