ThreadManager: Sync async reads on accurate gpu.

1 files changed, 6 insertions, 1 deletions

diff --git a/src/video_core/gpu_thread.cpp b/src/video_core/gpu_thread.cpp
index 251a9d911..672f8d2fa 100644
--- a/src/video_core/gpu_thread.cpp
+++ b/src/video_core/gpu_thread.cpp
@@ -6,6 +6,7 @@
 #include "common/microprofile.h"
 #include "core/core.h"
 #include "core/frontend/emu_window.h"
+#include "core/settings.h"
 #include "video_core/dma_pusher.h"
 #include "video_core/gpu.h"
 #include "video_core/gpu_thread.h"
@@ -80,7 +81,11 @@ void ThreadManager::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
 }
 
 void ThreadManager::FlushRegion(VAddr addr, u64 size) {
-    PushCommand(FlushRegionCommand(addr, size));
+    if (system.Renderer().Rasterizer().MustFlushRegion(addr, size)) {
+        u64 fence = PushCommand(FlushRegionCommand(addr, size));
+        while (fence < state.signaled_fence.load(std::memory_order_relaxed)) {
+        }
+    }
 }
 
 void ThreadManager::InvalidateRegion(VAddr addr, u64 size) {