From 6677a973c2b9b742897441d3b8571b81b41fd297 Mon Sep 17 00:00:00 2001
From: Einar Johan Trøan Sømåen
Date: Sat, 11 Jan 2014 16:36:04 +0100
Subject: SDL: Avoid having SDL_SRCALPHA set even if we have alpha in the
 pixelformat.

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

(limited to 'backends/graphics')

diff --git a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
index 0a4dcf3ea3..89802ac8ab 100644
--- a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
+++ b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
@@ -746,6 +746,8 @@ bool SurfaceSdlGraphicsManager::loadGFXMode() {
 	if (_screen == NULL)
 		error("allocating _screen failed");
 
+	// Avoid having SDL_SRCALPHA set even if we supplied an alpha-channel in the format.
+	SDL_SetAlpha(_screen, 0, 255);
 #else
 	_screen = SDL_CreateRGBSurface(SDL_SWSURFACE, _videoMode.screenWidth, _videoMode.screenHeight, 8, 0, 0, 0, 0);
 	if (_screen == NULL)
-- 
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