set thread count to max(1,self-sodium)

src/main/java/me/cortex/voxy/client/config/VoxyConfigScreenPages.java

@@ -4,11 +4,13 @@ import com.google.common.collect.ImmutableList;
 import me.cortex.voxy.client.RenderStatistics;
 import me.cortex.voxy.client.VoxyClientInstance;
 import me.cortex.voxy.client.core.IGetVoxyRenderSystem;
+import me.cortex.voxy.client.mixin.sodium.AccessorSodiumWorldRenderer;
 import me.cortex.voxy.common.util.cpu.CpuLayout;
 import me.cortex.voxy.commonImpl.VoxyCommon;
 import net.caffeinemc.mods.sodium.client.gui.options.*;
 import net.caffeinemc.mods.sodium.client.gui.options.control.SliderControl;
 import net.caffeinemc.mods.sodium.client.gui.options.control.TickBoxControl;
+import net.caffeinemc.mods.sodium.client.render.SodiumWorldRenderer;
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.text.Text;
 
@@ -60,8 +62,18 @@ public abstract class VoxyConfigScreenPages {
                             s.serviceThreads = v;
                             var instance = VoxyCommon.getInstance();
                             if (instance != null) {
+                                var swr = SodiumWorldRenderer.instanceNullable();
+                                if (swr != null) {
+                                    var rsm = ((AccessorSodiumWorldRenderer)swr).getRenderSectionManager();
+                                    if (rsm!=null) {
+                                        instance.setNumThreads(Math.max(1, v-rsm.getBuilder().getTotalThreadCount()));
+                                    } else {
                                         instance.setNumThreads(v);
                                     }
+                                } else {
+                                    instance.setNumThreads(v);
+                                }
+                            }
                         }, s -> s.serviceThreads)
                         .setImpact(OptionImpact.HIGH)
                         .build()

src/main/java/me/cortex/voxy/client/mixin/sodium/AccessorSodiumWorldRenderer.java

@@ -0,0 +1,14 @@
+package me.cortex.voxy.client.mixin.sodium;
+
+import it.unimi.dsi.fastutil.longs.Long2IntOpenHashMap;
+import net.caffeinemc.mods.sodium.client.render.SodiumWorldRenderer;
+import net.caffeinemc.mods.sodium.client.render.chunk.RenderSectionManager;
+import net.caffeinemc.mods.sodium.client.render.chunk.map.ChunkTracker;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+@Mixin(value = SodiumWorldRenderer.class, remap = false)
+public interface AccessorSodiumWorldRenderer {
+    @Accessor
+    RenderSectionManager getRenderSectionManager();
+}

src/main/java/me/cortex/voxy/client/mixin/sodium/MixinRenderSectionManager.java

@@ -10,6 +10,7 @@ import me.cortex.voxy.commonImpl.WorldIdentifier;
 import net.caffeinemc.mods.sodium.client.gl.device.CommandList;
 import net.caffeinemc.mods.sodium.client.render.chunk.RenderSection;
 import net.caffeinemc.mods.sodium.client.render.chunk.RenderSectionManager;
+import net.caffeinemc.mods.sodium.client.render.chunk.compile.executor.ChunkBuilder;
 import net.caffeinemc.mods.sodium.client.render.chunk.data.BuiltSectionInfo;
 import net.caffeinemc.mods.sodium.client.render.chunk.map.ChunkTrackerHolder;
 import net.caffeinemc.mods.sodium.client.render.chunk.translucent_sorting.SortBehavior;
@@ -35,6 +36,8 @@ public class MixinRenderSectionManager {
 
     @Shadow @Final private ClientWorld level;
 
+    @Shadow @Final private ChunkBuilder builder;
+
     @Inject(method = "<init>", at = @At("TAIL"))
     private void voxy$resetChunkTracker(ClientWorld level, int renderDistance, SortBehavior sortBehavior, CommandList commandList, CallbackInfo ci) {
         if (level.worldRenderer != null) {
@@ -44,6 +47,14 @@ public class MixinRenderSectionManager {
             }
         }
         this.bottomSectionY = this.level.getBottomY()>>4;
+
+        {
+            //TODO: put in a better position
+            var instance = VoxyCommon.getInstance();
+            if (instance != null) {
+                instance.setNumThreads(Math.max(1, VoxyConfig.CONFIG.serviceThreads - this.builder.getTotalThreadCount()));
+            }
+        }
     }
 
     @Inject(method = "onChunkRemoved", at = @At("HEAD"))

src/main/java/me/cortex/voxy/common/thread3/UnifiedServiceThreadPool.java

@@ -25,15 +25,16 @@ public class UnifiedServiceThreadPool {
 
     private final void release(int i) {this.groupSemaphore.pooledRelease(i);}
 
-    public void setNumThreads(int threads) {
+    public boolean setNumThreads(int threads) {
         synchronized (this.threads) {
             int diff = threads - this.threads.size();
-            if (diff==0) return;//Already correct
+            if (diff==0) return false;//Already correct
             if (diff<0) {//Remove threads
                 this.selfBlock.release(-diff);
             } else {//Add threads
                 for (int i = 0; i < diff; i++) {
                     var t = new Thread(this.dedicatedPool, this::workerThread);
+                    t.setPriority(3);
                     t.setDaemon(true);
                     this.threads.add(t);
                     t.start();
@@ -42,7 +43,7 @@ public class UnifiedServiceThreadPool {
         }
         while (true) {
             synchronized (this.threads) {
-                if (this.threads.size() == threads) return;
+                if (this.threads.size() == threads) return true;
             }
             try {
                 Thread.sleep(50);

src/main/java/me/cortex/voxy/commonImpl/VoxyInstance.java

@@ -60,7 +60,10 @@ public abstract class VoxyInstance {
     }
 
     public void setNumThreads(int threads) {
-        this.threadPool.setNumThreads(threads);
+        if (threads<0) throw new IllegalArgumentException("Num threads <0");
+        if (this.threadPool.setNumThreads(threads)) {
+            Logger.info("Dedicated voxy thread pool size: " + threads);
+        }
     }
 
     protected ImportManager createImportManager() {

src/main/resources/client.voxy.mixins.json

@@ -29,6 +29,7 @@
     "minecraft.MixinWorldRenderer",
     "nvidium.MixinRenderPipeline",
     "sodium.AccessorChunkTracker",
+    "sodium.AccessorSodiumWorldRenderer",
     "sodium.MixinChunkJobQueue",
     "sodium.MixinDefaultChunkRenderer",
     "sodium.MixinRenderSectionManager",