diff --git a/src/main/java/me/cortex/voxy/client/core/rendering/hierachical2/NodeCleaner.java b/src/main/java/me/cortex/voxy/client/core/rendering/hierachical2/NodeCleaner.java
index e89bd578..b7504775 100644
--- a/src/main/java/me/cortex/voxy/client/core/rendering/hierachical2/NodeCleaner.java
+++ b/src/main/java/me/cortex/voxy/client/core/rendering/hierachical2/NodeCleaner.java
@@ -6,6 +6,9 @@ package me.cortex.voxy.client.core.rendering.hierachical2;
 public class NodeCleaner {
 
 
+    //Clears memory via invoking node manager, clear section or delete node
+    // these should take hint parameters on if when removing section data, to store it in section cache or leave
+
     public void setNodeMemoryUsage() {
         //Needs to bubble up information to all parents
         // also needs to update a tick/last seen time for node removal
diff --git a/src/main/java/me/cortex/voxy/client/core/shader/ShaderSystem.java b/src/main/java/me/cortex/voxy/client/core/shader/ShaderSystem.java
new file mode 100644
index 00000000..5bcd47be
--- /dev/null
+++ b/src/main/java/me/cortex/voxy/client/core/shader/ShaderSystem.java
@@ -0,0 +1,5 @@
+package me.cortex.voxy.client.core.shader;
+
+//Mutates the frag shaders of the material, like a deferred material shader system
+public class ShaderSystem {
+}
diff --git a/src/main/resources/assets/voxy/shaders/hiz/blit.fsh b/src/main/resources/assets/voxy/shaders/hiz/blit.fsh
index 8c3e5fa7..78e48c38 100644
--- a/src/main/resources/assets/voxy/shaders/hiz/blit.fsh
+++ b/src/main/resources/assets/voxy/shaders/hiz/blit.fsh
@@ -5,9 +5,12 @@ layout(location = 0) in vec2 uv;
 layout(binding = 0) uniform sampler2D depthTex;
 void main() {
     vec4 depths = textureGather(depthTex, uv, 0); // Get depth values from all surrounding texels.
+
+    //TODO, do it so that for the first 2,3 levels if 1 (or maybe even 2 (on the first layer)) pixels are air, just ignore that
+    // this is to stop issues with 1 pixel gaps
     bvec4 cv = lessThanEqual(vec4(0.99999999), depths);
     if (any(cv) && !all(cv)) {
-        depths = mix(vec4(0), depths, cv);
+        depths = mix(vec4(1.0f), depths, cv);
     }
     gl_FragDepth = max(max(depths.x, depths.y), max(depths.z, depths.w)); // Write conservative depth.
 }