micro opt + gpu timer

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

@@ -26,6 +26,7 @@ import me.cortex.voxy.client.core.rendering.section.geometry.IGeometryData;
 import me.cortex.voxy.client.core.rendering.util.DownloadStream;
 import me.cortex.voxy.client.core.rendering.util.PrintfDebugUtil;
 import me.cortex.voxy.client.core.rendering.util.UploadStream;
+import me.cortex.voxy.client.core.util.GPUTiming;
 import me.cortex.voxy.client.core.util.IrisUtil;
 import me.cortex.voxy.common.Logger;
 import me.cortex.voxy.common.thread.ServiceThreadPool;
@@ -206,6 +207,7 @@ public class VoxyRenderSystem {
 
         long startTime = System.nanoTime();
         TimingStatistics.all.start();
+        GPUTiming.INSTANCE.marker();//Start marker
         TimingStatistics.main.start();
 
         //TODO: optimize
@@ -260,8 +262,11 @@ public class VoxyRenderSystem {
             //Done here as is allows less gl state resetup
             this.modelService.tick(Math.max(3_000_000-(System.nanoTime()-startTime), 500_000));
         }
+        GPUTiming.INSTANCE.marker();
         TimingStatistics.postDynamic.stop();
 
+        GPUTiming.INSTANCE.tick();
+
         glBindFramebuffer(GlConst.GL_FRAMEBUFFER, oldFB);
         glViewport(dims[0], dims[1], dims[2], dims[3]);
 

src/main/java/me/cortex/voxy/client/core/rendering/building/RenderGenerationService.java

@@ -51,9 +51,9 @@ public class RenderGenerationService {
     private final AtomicInteger holdingSectionCount = new AtomicInteger();//Used to limit section holding
 
     private final AtomicInteger taskQueueCount = new AtomicInteger();
-    private final PriorityBlockingQueue<BuildTask> taskQueue = new PriorityBlockingQueue<>(320000, (a,b)-> Long.compareUnsigned(a.priority, b.priority));
+    private final PriorityBlockingQueue<BuildTask> taskQueue = new PriorityBlockingQueue<>(5000, (a,b)-> Long.compareUnsigned(a.priority, b.priority));
     private final StampedLock taskMapLock = new StampedLock();
-    private final Long2ObjectOpenHashMap<BuildTask> taskMap = new Long2ObjectOpenHashMap<>(320000);
+    private final Long2ObjectOpenHashMap<BuildTask> taskMap = new Long2ObjectOpenHashMap<>(5000);
 
     private final WorldEngine world;
     private final ModelBakerySubsystem modelBakery;

src/main/java/me/cortex/voxy/client/core/util/GPUTiming.java

@@ -0,0 +1,165 @@
+package me.cortex.voxy.client.core.util;
+
+import it.unimi.dsi.fastutil.ints.IntArrayFIFOQueue;
+import it.unimi.dsi.fastutil.objects.ObjectArrayFIFOQueue;
+import it.unimi.dsi.fastutil.objects.ObjectArrayList;
+import me.cortex.voxy.client.core.gl.GlBuffer;
+import me.cortex.voxy.client.core.rendering.util.DownloadStream;
+import me.cortex.voxy.common.util.MemoryBuffer;
+import me.cortex.voxy.common.util.Pair;
+import me.cortex.voxy.common.util.TrackedObject;
+import org.lwjgl.system.MemoryUtil;
+
+import java.util.Arrays;
+import java.util.function.Consumer;
+
+import static org.lwjgl.opengl.ARBTimerQuery.GL_TIMESTAMP;
+import static org.lwjgl.opengl.ARBTimerQuery.glQueryCounter;
+import static org.lwjgl.opengl.GL11.glFinish;
+import static org.lwjgl.opengl.GL11.glFlush;
+import static org.lwjgl.opengl.GL15.glDeleteQueries;
+import static org.lwjgl.opengl.GL15.glGenQueries;
+import static org.lwjgl.opengl.GL15C.*;
+import static org.lwjgl.opengl.GL33.glGetQueryObjecti64;
+import static org.lwjgl.opengl.GL42.glMemoryBarrier;
+import static org.lwjgl.opengl.GL44.GL_QUERY_RESULT_NO_WAIT;
+import static org.lwjgl.opengl.GL45.glGetQueryBufferObjectui64v;
+
+public class GPUTiming {
+    public static GPUTiming INSTANCE = new GPUTiming();
+
+    private final GlTimestampQuerySet timingSet = new GlTimestampQuerySet();
+
+    public void marker() {
+        this.timingSet.capture(0);
+    }
+
+    public void tick() {
+        this.timingSet.download((meta,data)->{
+            long current = data[0];
+            for (int i = 1; i < meta.length; i++) {
+                long next = data[i];
+                long delta = next - current;
+                //System.out.println(delta);
+                current = next;
+            }
+        });
+        this.timingSet.tick();
+    }
+
+    public void free() {
+        this.timingSet.free();
+    }
+
+    public interface TimingDataConsumer {
+        void accept(int[] metadata, long[] timings);
+    }
+    private static final class GlTimestampQuerySet extends TrackedObject {
+        private record InflightRequest(int[] queries, int[] meta, TimingDataConsumer callback) {
+            private boolean callbackIfReady(IntArrayFIFOQueue queryPool) {
+                boolean ready = glGetQueryObjecti(this.queries[this.queries.length-1], GL_QUERY_RESULT_AVAILABLE) == GL_TRUE;
+                if (!ready) {
+                    return false;
+                }
+                long[] results = new long[this.queries.length];
+                for (int i = 0; i < this.queries.length; i++) {
+                    results[i] = glGetQueryObjecti64(this.queries[i], GL_QUERY_RESULT);
+                    queryPool.enqueue(this.queries[i]);
+                }
+                this.callback.accept(this.meta, results);
+                return true;
+            }
+        }
+        private final IntArrayFIFOQueue POOL = new IntArrayFIFOQueue();
+        private final ObjectArrayFIFOQueue<InflightRequest> INFLIGHT = new ObjectArrayFIFOQueue();
+
+        private final int[] queries = new int[64];
+        private final int[] metadata = new int[64];
+        private int index;
+
+
+        public void capture(int metadata) {
+            if (this.index > this.metadata.length) {
+                throw new IllegalStateException();
+            }
+            int slot = this.index++;
+            this.metadata[slot] = metadata;
+            int query = this.getQuery();
+            glQueryCounter(query, GL_TIMESTAMP);
+            this.queries[slot] = query;
+
+        }
+
+        public void download(TimingDataConsumer consumer) {
+            var queries = Arrays.copyOf(this.queries, this.index);
+            var metadata = Arrays.copyOf(this.metadata, this.index);
+            this.index = 0;
+            this.INFLIGHT.enqueue(new InflightRequest(queries, metadata, consumer));
+        }
+
+        public void tick() {
+            while (!INFLIGHT.isEmpty()) {
+                if (INFLIGHT.first().callbackIfReady(POOL)) {
+                    INFLIGHT.dequeue();
+                } else {
+                    break;
+                }
+            }
+        }
+
+        private int getQuery() {
+            if (POOL.isEmpty()) {
+                return glGenQueries();
+            } else {
+                return POOL.dequeueInt();
+            }
+        }
+
+        @Override
+        public void free() {
+            super.free0();
+            while (!POOL.isEmpty()) {
+                glDeleteQueries(POOL.dequeueInt());
+            }
+            while (!INFLIGHT.isEmpty()) {
+                glDeleteQueries(INFLIGHT.dequeue().queries);
+            }
+        }
+    }
+    /*
+    private static final class GlTimestampQuerySet extends TrackedObject {
+        private final int query = glGenQueries();
+        public final GlBuffer store;
+        public final int[] metadata;
+        public int index;
+        public GlTimestampQuerySet(int maxCount) {
+            this.store = new GlBuffer(maxCount*8L);
+            this.metadata = new int[maxCount];
+        }
+
+        public void capture(int metadata) {
+            if (this.index>this.metadata.length) {
+                throw new IllegalStateException();
+            }
+            int slot = this.index++;
+            this.metadata[slot] = metadata;
+            glQueryCounter(this.query, GL_TIMESTAMP);//This should be gpu side, so should be fast
+            glFinish();
+            glGetQueryBufferObjectui64v(this.query, this.store.id, GL_QUERY_RESULT_NO_WAIT, slot*8L);
+            glMemoryBarrier(-1);
+        }
+
+        public void download(TimingDataConsumer consumer) {
+            var meta = Arrays.copyOf(this.metadata, this.index);
+            this.index = 0;
+            //DownloadStream.INSTANCE.download(this.store, buffer->consumer.accept(meta, buffer));
+        }
+
+        @Override
+        public void free() {
+            super.free0();
+            glDeleteQueries(this.query);
+            this.store.free();
+        }
+    }*/
+}