2 files changed, 17 insertions, 0 deletions

diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index 50d8a94b1..a9fd6d960 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -157,6 +157,21 @@ void Maxwell3D::RefreshParameters() {
     }
 }
 
+bool Maxwell3D::AnyParametersDirty() {
+    size_t current_index = 0;
+    for (auto& segment : macro_segments) {
+        if (segment.first == 0) {
+            current_index += segment.second;
+            continue;
+        }
+        if (memory_manager.IsMemoryDirty(segment.first, sizeof(u32) * segment.second)) {
+            return true;
+        }
+        current_index += segment.second;
+    }
+    return false;
+}
+
 u32 Maxwell3D::GetMaxCurrentVertices() {
     u32 num_vertices = 0;
     for (size_t index = 0; index < Regs::NumVertexArrays; ++index) {
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index 397e88f67..cd996413c 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -3092,6 +3092,8 @@ public:
 
     void RefreshParameters();
 
+    bool AnyParametersDirty();
+
     u32 GetMaxCurrentVertices();
 
     size_t EstimateIndexBufferSize();