debug pain

src/main/resources/assets/voxy/shaders/hiz/blit.fsh

@@ -5,5 +5,6 @@ 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.
+    //depths = mix(vec4(0), depths, lessThanEqual(vec4(0.99999999), depths));
     gl_FragDepth = max(max(depths.x, depths.y), max(depths.z, depths.w)); // Write conservative depth.
 }

src/main/resources/assets/voxy/shaders/lod/hierarchical/screenspace.glsl

@@ -69,7 +69,7 @@ void setupScreenspace(in UnpackedNode node) {
     maxBB = maxBB*0.5f+0.5f;
     minBB = minBB*0.5f+0.5f;
 
-    size = (maxBB.xy - minBB.xy);//We half it for implicit conversion to screenspace
+    size = clamp(maxBB.xy - minBB.xy, vec2(0), vec2(1));//We half it for implicit conversion to screenspace
 
 }
 
@@ -85,8 +85,12 @@ bool isCulledByHiz() {
     vec2 ssize = size.xy * vec2(screenW, screenH);
     float miplevel = ceil(log2(max(max(ssize.x, ssize.y),1)));
     vec2 midpoint = (maxBB.xy + minBB.xy)*0.5f;
-    //    printf("HiZ sample point culled: (%f,%f)@%f against %f", midpoint.x, midpoint.y, miplevel, minBB.z);
-    return textureLod(hizDepthSampler, vec3(midpoint, minBB.z), miplevel) < 0.0001f;
+    bool culled = textureLod(hizDepthSampler, vec3(midpoint, minBB.z), miplevel) < 0.0001f;
+    /*
+    if (culled) {
+        printf("HiZ sample point not culled: (%f,%f)@%f against %f, level %d", midpoint.x, midpoint.y, miplevel, minBB.z, lod);
+    }*/
+    return culled;
 }
 
 //Returns if we should decend into its children or not

src/main/resources/assets/voxy/shaders/lod/hierarchical/traversal_dev.comp

@@ -72,7 +72,7 @@ void traverse(in UnpackedNode node) {
                 //printf("A");
                 enqueueChildren(node);
             } else {
-                printf("B");
+                //printf("B");
                 addRequest(node);
                 //TODO: use self mesh (is error state if it doesnt have one since all leaf nodes should have a mesh)
                 // Basicly guarenteed to have a mesh, if it doesnt it is very very bad and incorect since its a violation of the graph properties
@@ -81,10 +81,10 @@ void traverse(in UnpackedNode node) {
             }
         } else {
             if (hasMesh(node)) {
-                printf("C");
+                //printf("C");
                 enqueueSelfForRender(node);
             } else {
-                printf("D");
+                //printf("D");
                 //!! not ideal, we want to render this mesh but dont have it. If we havent sent a request
                 // then send a request for a mesh for this node.
                 addRequest(node);