More and more working?

src/main/java/me/cortex/voxy/client/core/VoxelCore.java

@@ -120,6 +120,7 @@ public class VoxelCore {
         matrices.pop();
 
         var projection = computeProjectionMat();//RenderSystem.getProjectionMatrix();
+        //var projection = RenderSystem.getProjectionMatrix();
 
         var viewport = this.renderer.getViewport();
         viewport
@@ -135,6 +136,8 @@ public class VoxelCore {
         }
         //TODO: use the raw depth buffer texture instead
         //int boundDepthBuffer = glGetNamedFramebufferAttachmentParameteri(boundFB, GL_DEPTH_STENCIL_ATTACHMENT, GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME);
+
+        //TODO:FIXME!!! ??
         this.postProcessing.setup(MinecraftClient.getInstance().getFramebuffer().textureWidth, MinecraftClient.getInstance().getFramebuffer().textureHeight, boundFB);
 
         this.renderer.renderFarAwayOpaque(viewport);

src/main/java/me/cortex/voxy/client/core/rendering/RenderService.java

@@ -79,9 +79,9 @@ public class RenderService<T extends AbstractSectionRenderer<J, ?>, J extends Vi
         //this.nodeManager.insertTopLevelNode(WorldEngine.getWorldSectionId(0, 0,0,0));
         //this.nodeManager.insertTopLevelNode(WorldEngine.getWorldSectionId(4, 0,0,0));
 
-        final int H_WIDTH = 10;
+        final int H_WIDTH = 1;
         for (int x = -H_WIDTH; x <= H_WIDTH; x++) {
-            for (int y = 0; y <= 0; y++) {
+            for (int y = -1; y <= 0; y++) {
                 for (int z = -H_WIDTH; z <= H_WIDTH; z++) {
                     this.nodeManager.insertTopLevelNode(WorldEngine.getWorldSectionId(4, x, y, z));
                 }
@@ -103,7 +103,8 @@ public class RenderService<T extends AbstractSectionRenderer<J, ?>, J extends Vi
         //Hieracial is not an abstract thing but
         // the section renderer is as it might have different backends, but they all accept a buffer containing the section list
 
-        this.sectionRenderer.renderOpaque(viewport);
+
+        //this.sectionRenderer.renderOpaque(viewport);
 
 
         //NOTE: need to do the upload and download tick here, after the section renderer renders the world, to ensure "stable"
@@ -131,6 +132,9 @@ public class RenderService<T extends AbstractSectionRenderer<J, ?>, J extends Vi
         glMemoryBarrier(GL_FRAMEBUFFER_BARRIER_BIT|GL_PIXEL_BUFFER_BARRIER_BIT);
 
         int depthBuffer = glGetFramebufferAttachmentParameteri(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME);
+        if (depthBuffer == 0) {
+            depthBuffer = glGetFramebufferAttachmentParameteri(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME);
+        }
         this.traversal.doTraversal(viewport, depthBuffer);
 
         this.sectionRenderer.buildDrawCallsAndRenderTemporal(viewport, this.traversal.getRenderListBuffer());

src/main/java/me/cortex/voxy/client/core/rendering/hierachical2/HierarchicalOcclusionTraverser.java

@@ -10,6 +10,7 @@ import me.cortex.voxy.client.core.rendering.util.HiZBuffer;
 import me.cortex.voxy.client.core.rendering.Viewport;
 import me.cortex.voxy.client.core.rendering.util.DownloadStream;
 import me.cortex.voxy.client.core.rendering.util.UploadStream;
+import me.cortex.voxy.common.Logger;
 import net.minecraft.util.math.MathHelper;
 import org.joml.Matrix4f;
 import org.joml.Vector3f;
@@ -79,7 +80,7 @@ public class HierarchicalOcclusionTraverser {
 
     public HierarchicalOcclusionTraverser(NodeManager2 nodeManager, int requestBufferCount) {
         this.nodeManager = nodeManager;
-        this.requestBuffer = new GlBuffer(requestBufferCount*4L+1024).zero();//The 1024 is to assist with race condition issues
+        this.requestBuffer = new GlBuffer(requestBufferCount*8L+8).zero();
         this.nodeBuffer = new GlBuffer(nodeManager.maxNodeCount*16L).zero();
         this.maxRequestCount = requestBufferCount;
 
@@ -111,11 +112,11 @@ public class HierarchicalOcclusionTraverser {
 
         MemoryUtil.memPutInt(ptr, viewport.height); ptr += 4;
 
-        MemoryUtil.memPutInt(ptr, NodeManager.REQUEST_QUEUE_SIZE); ptr += 4;
+        MemoryUtil.memPutInt(ptr, NodeManager.REQUEST_QUEUE_SIZE); ptr += 4;//TODO maybe these to a #define
-        MemoryUtil.memPutInt(ptr, (int) (this.renderList.size()/4-1)); ptr += 4;//TODO maybe move this to a #define
+        MemoryUtil.memPutInt(ptr, (int) (this.renderList.size()/4-1)); ptr += 4;
 
         //Screen space size for descending
-        MemoryUtil.memPutFloat(ptr, 128*128); ptr += 4;
+        MemoryUtil.memPutFloat(ptr, 64*64); ptr += 4;
     }
 
     private void bindings() {
@@ -240,8 +241,9 @@ public class HierarchicalOcclusionTraverser {
         if (count < 0 || count > 50000) {
             throw new IllegalStateException("Count unexpected extreme value: " + count);
         }
-        if (count > (this.requestBuffer.size()>>2)-1) {
+        if (count > (this.requestBuffer.size()>>3)-1) {
-            throw new IllegalStateException("Count over max buffer size, desync expected, aborting");
+            Logger.warn("Count over max buffer size, clamping, got count: " + count);
+            count = (int) ((this.requestBuffer.size()>>3)-1);
         }
         if (count > this.maxRequestCount) {
             System.err.println("Count larger than 'maxRequestCount', overflow captured. Overflowed by " + (count-this.maxRequestCount));

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

@@ -27,12 +27,15 @@ void addRequest(inout UnpackedNode node) {
     printf("Put node decend request");
     if (!hasRequested(node)) {
         if (requestQueueIndex.x < requestQueueMaxSize) {
+            uint atomRes = atomicAdd(requestQueueIndex.x, 1);
+            if (atomRes < requestQueueMaxSize) {
                 //Mark node as having a request submitted to prevent duplicate submissions
-            requestQueue[atomicAdd(requestQueueIndex.x, 1)] = getRawPos(node);
+                requestQueue[atomRes] = getRawPos(node);
                 markRequested(node);
             }
         }
     }
+}
 
 void enqueueChildren(in UnpackedNode node) {
     uint children = getChildCount(node);