From 33e5e4400bdd28889a155e370db6e89338379c80 Mon Sep 17 00:00:00 2001
From: MaranBr <maranbr@outlook.com>
Date: Mon, 25 May 2026 13:56:23 -0400
Subject: [PATCH] Sync modified buffer uploads

---
 src/video_core/buffer_cache/buffer_cache.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h
index 60e0e8449b..aaa6bd889e 100644
--- a/src/video_core/buffer_cache/buffer_cache.h
+++ b/src/video_core/buffer_cache/buffer_cache.h
@@ -1635,6 +1635,9 @@ bool BufferCache<P>::SynchronizeBuffer(Buffer& buffer, DAddr device_addr, u32 si
     if (total_size_bytes == 0) {
         return true;
     }
+    if (memory_tracker.IsRegionGpuModified(device_addr, size)) {
+        DownloadBufferMemory(buffer, device_addr, size);
+    }
     const std::span<BufferCopy> copies_span(upload_copies.data(), upload_copies.size());
     UploadMemory(buffer, total_size_bytes, largest_copy, copies_span);
     any_buffer_uploaded = true;