From 791012344607df1bd364da3e751dc9ad86445c62 Mon Sep 17 00:00:00 2001
From: Eugene Sandulenko
Date: Sat, 3 Sep 2016 21:20:02 +0200
Subject: SDL: Optimize OSD drawing

---
 backends/graphics/surfacesdl/surfacesdl-graphics.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'backends/graphics/surfacesdl/surfacesdl-graphics.cpp')

diff --git a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
index fdf21010e7..29f94c34d7 100644
--- a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
+++ b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
@@ -1199,7 +1199,8 @@ void SurfaceSdlGraphicsManager::internUpdateScreen() {
 		drawMouse();
 
 #ifdef USE_OSD
-		SDL_BlitSurface(_osdSurface, 0, _hwscreen, 0);
+		if (_osdMessageAlpha != SDL_ALPHA_TRANSPARENT)
+			SDL_BlitSurface(_osdSurface, 0, _hwscreen, 0);
 #endif
 
 #ifdef USE_SDL_DEBUG_FOCUSRECT
-- 
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