Peter Beutner : ddraw: Fix transparent Blits on 8bit surfaces.

[Alexandre Julliard]

Module: wine
Branch: refs/heads/master
Commit: 07fe82dd55cf03aa7c0e9ad421d756d48ca8cd71
URL:    http://source.winehq.org/git/?p=wine.git;a=commit;h=07fe82dd55cf03aa7c0e9ad4...

Author: Peter Beutner <p.beutner(a)gmx.net>
Date:   Sat Feb 25 13:34:52 2006 +0100

ddraw: Fix transparent Blits on 8bit surfaces.
There are no red/green/blue bitmasks with color depth==8bpp. In that
case always match against the whole byte.

---

 dlls/ddraw/surface_dib.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/dlls/ddraw/surface_dib.c b/dlls/ddraw/surface_dib.c
index f7b8073..55bdf20 100644
--- a/dlls/ddraw/surface_dib.c
+++ b/dlls/ddraw/surface_dib.c
@@ -849,7 +849,13 @@ DIB_DirectDrawSurface_Blt(LPDIRECTDRAWSU
 		 keylow  = lpbltfx->ddckDestColorkey.dwColorSpaceLowValue;
 		 keyhigh = lpbltfx->ddckDestColorkey.dwColorSpaceHighValue;
 	      }
-	      keymask = sdesc.u4.ddpfPixelFormat.u2.dwRBitMask | sdesc.u4.ddpfPixelFormat.u3.dwGBitMask | sdesc.u4.ddpfPixelFormat.u4.dwBBitMask;
+
+		if(bpp == 1)
+			keymask = 0xff;
+		else
+			keymask = sdesc.u4.ddpfPixelFormat.u2.dwRBitMask | sdesc.u4.ddpfPixelFormat.u3.dwGBitMask |
+			          sdesc.u4.ddpfPixelFormat.u4.dwBBitMask;
+
 	      dwFlags &= ~(DDBLT_KEYSRC | DDBLT_KEYDEST | DDBLT_KEYSRCOVERRIDE | DDBLT_KEYDESTOVERRIDE);
            }