Remove dead code behind Irrlicht version checks

1 files changed, 0 insertions, 27 deletions

diff --git a/src/client/game.cpp b/src/client/game.cpp
index 122e25d8c..94a09537a 100644
--- a/src/client/game.cpp
+++ b/src/client/game.cpp
@@ -1008,10 +1008,6 @@ private:
 	// this happens in pause menu in singleplayer
 	bool m_is_paused = false;
 
-#if IRRLICHT_VERSION_MT_REVISION < 5
-	int m_reset_HW_buffer_counter = 0;
-#endif
-
 #ifdef HAVE_TOUCHSCREENGUI
 	bool m_cache_hold_aux1;
 	bool m_touch_use_crosshair;
@@ -4153,29 +4149,6 @@ void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
 	/*
 		==================== End scene ====================
 	*/
-#if IRRLICHT_VERSION_MT_REVISION < 5
-	if (++m_reset_HW_buffer_counter > 500) {
-		/*
-		  Periodically remove all mesh HW buffers.
-
-		  Work around for a quirk in Irrlicht where a HW buffer is only
-		  released after 20000 iterations (triggered from endScene()).
-
-		  Without this, all loaded but unused meshes will retain their HW
-		  buffers for at least 5 minutes, at which point looking up the HW buffers
-		  becomes a bottleneck and the framerate drops (as much as 30%).
-
-		  Tests showed that numbers between 50 and 1000 are good, so picked 500.
-		  There are no other public Irrlicht APIs that allow interacting with the
-		  HW buffers without tracking the status of every individual mesh.
-
-		  The HW buffers for _visible_ meshes will be reinitialized in the next frame.
-		*/
-		infostream << "Game::updateFrame(): Removing all HW buffers." << std::endl;
-		driver->removeAllHardwareBuffers();
-		m_reset_HW_buffer_counter = 0;
-	}
-#endif
 
 	driver->endScene();