From f3e630a92fc5e89bd2ef8f706ff40c303b600069 Mon Sep 17 00:00:00 2001
From: CamilleLaVey <camillelavey99@gmail.com>
Date: Mon, 10 Aug 2026 00:04:02 -0400
Subject: [PATCH] JUST a quick replacement

---
 src/video_core/buffer_cache/buffer_cache.h      | 8 ++++++--
 src/video_core/buffer_cache/buffer_cache_base.h | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h
index b183eaf260..8da70adc51 100644
--- a/src/video_core/buffer_cache/buffer_cache.h
+++ b/src/video_core/buffer_cache/buffer_cache.h
@@ -1892,9 +1892,13 @@ bool BufferCache<P>::IntersectsInPlaceWrites(DAddr device_addr, u64 size) {
 template <class P>
 void BufferCache<P>::WaitForInPlaceWrites() {
     if constexpr (!IS_OPENGL) {
-        if (in_place_write_tick > runtime.KnownGpuTick()) {
-            runtime.Wait(in_place_write_tick);
+        if (in_place_write_tick <= in_place_host_available_tick) {
+            return;
         }
+        runtime.UnifiedMemoryWriteBarrier();
+        const u64 barrier_tick = runtime.CurrentTick();
+        runtime.Wait(barrier_tick);
+        in_place_host_available_tick = barrier_tick;
     }
 }
 
diff --git a/src/video_core/buffer_cache/buffer_cache_base.h b/src/video_core/buffer_cache/buffer_cache_base.h
index 8784b76414..09f935fafc 100644
--- a/src/video_core/buffer_cache/buffer_cache_base.h
+++ b/src/video_core/buffer_cache/buffer_cache_base.h
@@ -554,6 +554,7 @@ private:
     Common::RangeSet<DAddr> gpu_modified_ranges;
     Common::RangeSet<DAddr> in_place_gpu_written_ranges;
     u64 in_place_write_tick = 0;
+    u64 in_place_host_available_tick = 0;
     std::deque<Common::RangeSet<DAddr>> committed_gpu_modified_ranges;
 
     // Async Buffers