From 6cc3c9cd47fecd60a4a369bd970470cd50df2993 Mon Sep 17 00:00:00 2001
From: Sir Richard <sir_richard@svn.reactos.org>
Date: Thu, 11 Mar 2010 21:41:19 +0000
Subject: [PATCH] [WIN32K]: Enable the alignment code and reduce the number of
 hacks, leaving only one for 1bpp top-down output (Freetype?) which doesn't
 seem to like when the lDelta is aligned to the correct bit-boundary. This
 should fix the crashes and graphic cltches recently introduced.

svn path=/trunk/; revision=46117
---
 reactos/subsystems/win32/win32k/eng/surface.c | 21 ++++++++-----------
 1 file changed, 9 insertions(+), 12 deletions(-)

diff --git a/reactos/subsystems/win32/win32k/eng/surface.c b/reactos/subsystems/win32/win32k/eng/surface.c
index 423972ce3fb..1fcf4cc6b85 100644
--- a/reactos/subsystems/win32/win32k/eng/surface.c
+++ b/reactos/subsystems/win32/win32k/eng/surface.c
@@ -475,27 +475,27 @@ SURFMEM_bCreateDib(IN PDEVBITMAPINFO BitmapInfo,
     switch (BitmapInfo->Format)
     {
         case BMF_1BPP:
-            //ScanLine = ((BitmapInfo->Width + 31) & ~31) / 8;
+            ScanLine = ((BitmapInfo->Width + 31) & ~31) >> 3;
             break;
 
         case BMF_4BPP:
-            //ScanLine = ((BitmapInfo->Width + 7) & ~7) / 2;
+            ScanLine = ((BitmapInfo->Width + 7) & ~7) >> 1;
             break;
 
         case BMF_8BPP:
-            //ScanLine = ((BitmapInfo->Width + 3) & ~3);
+            ScanLine = (BitmapInfo->Width + 3) & ~3;
             break;
 
         case BMF_16BPP:
-            //ScanLine = ((BitmapInfo->Width + 1) & ~1) * 2;
+            ScanLine = ((BitmapInfo->Width + 1) & ~1) << 1;
             break;
 
         case BMF_24BPP:
-            //ScanLine = ((BitmapInfo->Width * 3) + 3) & ~3;
+            ScanLine = ((BitmapInfo->Width * 3) + 3) & ~3;
             break;
 
         case BMF_32BPP:
-           // ScanLine = BitmapInfo->Width * 4;
+            ScanLine = BitmapInfo->Width << 2;
             break;
 
         case BMF_8RLE:
@@ -510,8 +510,6 @@ SURFMEM_bCreateDib(IN PDEVBITMAPINFO BitmapInfo,
             return NULL;
     }
 
-    ScanLine = BitmapInfo->Width;
-
     /* Does the device manage its own surface? */
     if (!Bits)
     {
@@ -604,6 +602,9 @@ SURFMEM_bCreateDib(IN PDEVBITMAPINFO BitmapInfo,
             /* For topdown, the base address starts with the bits */
             pso->pvScan0 = pso->pvBits;
             pso->lDelta = ScanLine;
+            
+            /* Hack for FreeType/Font Rendering, cannot use the Aligned ScanLine */
+            if (BitmapInfo->Format == BMF_1BPP) pso->lDelta = BitmapInfo->Width / 8;
         }
         else
         {
@@ -669,7 +670,6 @@ EngCreateBitmap(IN SIZEL Size,
      */
     if ((Bits) && (Width))
     {
-    #if 0
         switch (BitmapInfo.Format)
         {
             /* Do the conversion for each bit depth we support */
@@ -692,9 +692,6 @@ EngCreateBitmap(IN SIZEL Size,
                 BitmapInfo.Width = Width / 4;
                 break;
         }
-#endif
-        BitmapInfo.Width = Width;
-
     }
     
     /* Now create the surface */
-- 
2.17.1