From 523cb55889cd9d2cf3aa08ae82ef0aa5d14b8ad2 Mon Sep 17 00:00:00 2001
From: mcrcortex <18544518+MCRcortex@users.noreply.github.com>
Date: Mon, 14 Apr 2025 14:46:14 +1000
Subject: [PATCH] barrier

---
 .../cortex/voxy/client/core/rendering/util/DownloadStream.java  | 2 ++
 .../me/cortex/voxy/client/core/rendering/util/UploadStream.java | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/src/main/java/me/cortex/voxy/client/core/rendering/util/DownloadStream.java b/src/main/java/me/cortex/voxy/client/core/rendering/util/DownloadStream.java
index de10f7a7..4c251b07 100644
--- a/src/main/java/me/cortex/voxy/client/core/rendering/util/DownloadStream.java
+++ b/src/main/java/me/cortex/voxy/client/core/rendering/util/DownloadStream.java
@@ -105,10 +105,12 @@ public class DownloadStream {
 
 
     public void commit() {
+        glMemoryBarrier(GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT | GL_BUFFER_UPDATE_BARRIER_BIT);
         //Copies all the data from target buffers into the download stream
         for (var entry : this.downloadList) {
             glCopyNamedBufferSubData(entry.target.id, this.downloadBuffer.id, entry.targetOffset, entry.downloadStreamOffset, entry.size);
         }
+        glMemoryBarrier(GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT | GL_BUFFER_UPDATE_BARRIER_BIT);
         this.thisFrameDownloadList.addAll(this.downloadList);
         this.downloadList.clear();
 
diff --git a/src/main/java/me/cortex/voxy/client/core/rendering/util/UploadStream.java b/src/main/java/me/cortex/voxy/client/core/rendering/util/UploadStream.java
index ecf7dc01..f1efaa9d 100644
--- a/src/main/java/me/cortex/voxy/client/core/rendering/util/UploadStream.java
+++ b/src/main/java/me/cortex/voxy/client/core/rendering/util/UploadStream.java
@@ -17,6 +17,7 @@ import static org.lwjgl.opengl.GL11.glFinish;
 import static org.lwjgl.opengl.GL42.glMemoryBarrier;
 import static org.lwjgl.opengl.GL42C.GL_BUFFER_UPDATE_BARRIER_BIT;
 import static org.lwjgl.opengl.GL43.GL_SHADER_STORAGE_BARRIER_BIT;
+import static org.lwjgl.opengl.GL44.GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT;
 import static org.lwjgl.opengl.GL44.GL_MAP_COHERENT_BIT;
 
 public class UploadStream {
@@ -79,6 +80,7 @@ public class UploadStream {
 
 
     public void commit() {
+        glMemoryBarrier(GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT);
         //Execute all the copies
         for (var entry : this.uploadList) {
             glCopyNamedBufferSubData(this.uploadBuffer.id, entry.target.id, entry.uploadOffset, entry.targetOffset, entry.size);