From 5d0f38d747e7583d0ca5959cd642468ba67cd04c Mon Sep 17 00:00:00 2001
From: Eugene Sandulenko
Date: Tue, 17 Nov 2015 23:17:48 +0100
Subject: GRAPHICS: Fix rendering in some corner cases

---
 graphics/transparent_surface.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'graphics')

diff --git a/graphics/transparent_surface.cpp b/graphics/transparent_surface.cpp
index f6e8cacb8b..992a5dc879 100644
--- a/graphics/transparent_surface.cpp
+++ b/graphics/transparent_surface.cpp
@@ -41,8 +41,6 @@
 
 namespace Graphics {
 
-static const int kAShift = 0;//img->format.aShift;
-
 static const int kBModShift = 0;//img->format.bShift;
 static const int kGModShift = 8;//img->format.gShift;
 static const int kRModShift = 16;//img->format.rShift;
@@ -118,7 +116,7 @@ void doBlitBinaryFast(byte *ino, byte *outo, uint32 width, uint32 height, uint32
 		in = ino;
 		for (uint32 j = 0; j < width; j++) {
 			uint32 pix = *(uint32 *)in;
-			int a = (pix >> kAShift) & 0xff;
+			int a = (pix >> kAModShift) & 0xff;
 
 			if (a != 0) {   // Full opacity (Any value not exactly 0 is Opaque here)
 				*(uint32 *)out = pix;
@@ -338,7 +336,7 @@ Common::Rect TransparentSurface::blit(Graphics::Surface &target, int posX, int p
 	retSize.setWidth(0);
 	retSize.setHeight(0);
 	// Check if we need to draw anything at all
-	int ca = (color >> 24) & 0xff;
+	int ca = (color >> kAModShift) & 0xff;
 
 	if (ca == 0) {
 		return retSize;
-- 
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