From 363bcc8b277f8c546d9bde4ec2eeae16bcd7f225 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sat, 7 Sep 2013 19:42:14 +0300
Subject: fix for SDL2 software mode if screen surface not have alpha channel.

---
 src/resources/sdl2softwareimagehelper.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/resources/sdl2softwareimagehelper.h b/src/resources/sdl2softwareimagehelper.h
index 907d2242e..99a1a67e9 100644
--- a/src/resources/sdl2softwareimagehelper.h
+++ b/src/resources/sdl2softwareimagehelper.h
@@ -95,7 +95,14 @@ class SDL2SoftwareImageHelper final : public ImageHelper
                                   SDL_Rect *const dstrect);
 
         static void setFormat(SDL_PixelFormat *const format)
-        { mFormat = format; }
+        {
+            mFormat = format;
+            if (mFormat)
+            {
+                mFormat->Amask = ~(format->Rmask
+                    | format->Gmask | format->Bmask);
+            }
+        }
 
     protected:
         /** SDL_Surface to SDL_Surface Image loader */
-- 
cgit v1.2.3-70-g09d2