diff --git a/src/openrct2-ui/drawing/engines/HardwareDisplayDrawingEngine.cpp b/src/openrct2-ui/drawing/engines/HardwareDisplayDrawingEngine.cpp
index b2aa60e416..b4cf70d4a7 100644
--- a/src/openrct2-ui/drawing/engines/HardwareDisplayDrawingEngine.cpp
+++ b/src/openrct2-ui/drawing/engines/HardwareDisplayDrawingEngine.cpp
@@ -213,17 +213,20 @@ public:
     }
 
 protected:
-    void OnDrawDirtyBlock(uint32_t left, uint32_t top, uint32_t columns, uint32_t rows) override
+    void OnDrawDirtyBlock(int32_t left, int32_t top, int32_t right, int32_t bottom) override
     {
         if (gShowDirtyVisuals)
         {
-            uint32_t right = left + columns;
-            uint32_t bottom = top + rows;
-            for (uint32_t x = left; x < right; x++)
+            const auto columns = (right - left) / _invalidationGrid.getBlockWidth();
+            const auto rows = (bottom - top) / _invalidationGrid.getBlockHeight();
+            const auto firstRow = top / _invalidationGrid.getBlockHeight();
+            const auto firstColumn = left / _invalidationGrid.getBlockWidth();
+
+            for (uint32_t y = 0; y < rows; y++)
             {
-                for (uint32_t y = top; y < bottom; y++)
+                for (uint32_t x = 0; x < columns; x++)
                 {
-                    SetDirtyVisualTime(x, y, kDirtyVisualTime);
+                    SetDirtyVisualTime(firstColumn + x, firstRow + y, kDirtyVisualTime);
                 }
             }
         }
@@ -330,7 +333,7 @@ private:
     uint32_t GetDirtyVisualTime(uint32_t x, uint32_t y)
     {
         uint32_t result = 0;
-        uint32_t i = y * _dirtyGrid.BlockColumns + x;
+        uint32_t i = y * _invalidationGrid.getColumnCount() + x;
         if (_dirtyVisualsTime.size() > i)
         {
             result = _dirtyVisualsTime[i];
@@ -340,7 +343,7 @@ private:
 
     void SetDirtyVisualTime(uint32_t x, uint32_t y, uint32_t value)
     {
-        uint32_t i = y * _dirtyGrid.BlockColumns + x;
+        uint32_t i = y * _invalidationGrid.getColumnCount() + x;
         if (_dirtyVisualsTime.size() > i)
         {
             _dirtyVisualsTime[i] = value;
@@ -349,10 +352,13 @@ private:
 
     void UpdateDirtyVisuals()
     {
-        _dirtyVisualsTime.resize(_dirtyGrid.BlockRows * _dirtyGrid.BlockColumns);
-        for (uint32_t y = 0; y < _dirtyGrid.BlockRows; y++)
+        const auto rows = _invalidationGrid.getRowCount();
+        const auto columns = _invalidationGrid.getColumnCount();
+
+        _dirtyVisualsTime.resize(rows * columns);
+        for (uint32_t y = 0; y < rows; y++)
         {
-            for (uint32_t x = 0; x < _dirtyGrid.BlockColumns; x++)
+            for (uint32_t x = 0; x < columns; x++)
             {
                 auto timeLeft = GetDirtyVisualTime(x, y);
                 if (timeLeft > 0)
@@ -373,19 +379,19 @@ private:
         float scaleY = Config::Get().general.WindowScale * renderY / static_cast<float>(windowY);
 
         SDL_SetRenderDrawBlendMode(_sdlRenderer, SDL_BLENDMODE_BLEND);
-        for (uint32_t y = 0; y < _dirtyGrid.BlockRows; y++)
+        for (uint32_t y = 0; y < _invalidationGrid.getRowCount(); y++)
         {
-            for (uint32_t x = 0; x < _dirtyGrid.BlockColumns; x++)
+            for (uint32_t x = 0; x < _invalidationGrid.getColumnCount(); x++)
             {
                 auto timeLeft = GetDirtyVisualTime(x, y);
                 if (timeLeft > 0)
                 {
                     uint8_t alpha = static_cast<uint8_t>(timeLeft * 5 / 2);
                     SDL_Rect ddRect;
-                    ddRect.x = static_cast<int32_t>(x * _dirtyGrid.BlockWidth * scaleX);
-                    ddRect.y = static_cast<int32_t>(y * _dirtyGrid.BlockHeight * scaleY);
-                    ddRect.w = static_cast<int32_t>(_dirtyGrid.BlockWidth * scaleX);
-                    ddRect.h = static_cast<int32_t>(_dirtyGrid.BlockHeight * scaleY);
+                    ddRect.x = static_cast<int32_t>(x * _invalidationGrid.getBlockWidth() * scaleX);
+                    ddRect.y = static_cast<int32_t>(y * _invalidationGrid.getBlockHeight() * scaleY);
+                    ddRect.w = static_cast<int32_t>(_invalidationGrid.getBlockWidth() * scaleX);
+                    ddRect.h = static_cast<int32_t>(_invalidationGrid.getBlockHeight() * scaleY);
 
                     SDL_SetRenderDrawColor(_sdlRenderer, 255, 255, 255, alpha);
                     SDL_RenderFillRect(_sdlRenderer, &ddRect);
diff --git a/src/openrct2/drawing/X8DrawingEngine.cpp b/src/openrct2/drawing/X8DrawingEngine.cpp
index e36e36b3cc..476ddffab1 100644
--- a/src/openrct2/drawing/X8DrawingEngine.cpp
+++ b/src/openrct2/drawing/X8DrawingEngine.cpp
@@ -319,8 +319,7 @@ void X8DrawingEngine::ConfigureBits(uint32_t width, uint32_t height, uint32_t pi
     }
 }
 
-void X8DrawingEngine::OnDrawDirtyBlock(
-    [[maybe_unused]] uint32_t x, [[maybe_unused]] uint32_t y, [[maybe_unused]] uint32_t columns, [[maybe_unused]] uint32_t rows)
+void X8DrawingEngine::OnDrawDirtyBlock(int32_t, int32_t, int32_t, int32_t)
 {
 }
 
@@ -334,16 +333,16 @@ void X8DrawingEngine::ConfigureDirtyGrid()
 
 void X8DrawingEngine::DrawAllDirtyBlocks()
 {
-    _invalidationGrid.traverseDirtyCells(
-        [this](int32_t left, int32_t top, int32_t right, int32_t bottom) {
-            DrawDirtyBlocks(left, top, right, bottom);
-        });
+    _invalidationGrid.traverseDirtyCells([this](int32_t left, int32_t top, int32_t right, int32_t bottom) {
+        // Draw region
+        DrawDirtyBlocks(left, top, right, bottom);
+    });
 }
 
 void X8DrawingEngine::DrawDirtyBlocks(int32_t left, int32_t top, int32_t right, int32_t bottom)
 {
     // Draw region
-    //OnDrawDirtyBlock(x, y, columns, rows);
+    OnDrawDirtyBlock(left, top, right, bottom);
     WindowDrawAll(_bitsDPI, left, top, right, bottom);
 }
 
diff --git a/src/openrct2/drawing/X8DrawingEngine.h b/src/openrct2/drawing/X8DrawingEngine.h
index 80ce4d4bf3..48609b02c5 100644
--- a/src/openrct2/drawing/X8DrawingEngine.h
+++ b/src/openrct2/drawing/X8DrawingEngine.h
@@ -117,7 +117,7 @@ namespace OpenRCT2
 
         protected:
             void ConfigureBits(uint32_t width, uint32_t height, uint32_t pitch);
-            virtual void OnDrawDirtyBlock(uint32_t x, uint32_t y, uint32_t columns, uint32_t rows);
+            virtual void OnDrawDirtyBlock(int32_t left, int32_t top, int32_t right, int32_t bottom);
 
         private:
             void ConfigureDirtyGrid();