Fabian Bieler : wined3d: Fix UpdateSurface for sourceRect != sourceWidth.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: fd6395f0c7d910971560c613d87ac44d6de5bc27
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=fd6395f0c7d910971560c613d8...

Author: Fabian Bieler 
Date:   Sat Mar 31 13:01:48 2007 +0200

wined3d: Fix UpdateSurface for sourceRect != sourceWidth.

---

dlls/wined3d/device.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 3bee323..d1224e4 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -4823,14 +4823,14 @@ static HRESULT  WINAPI  IWineD3DDeviceImpl_UpdateSurface(IWineD3DDevice *iface,
     /* This function doesn't support compressed textures
     the pitch is just bytesPerPixel * width */
     if(srcWidth != srcSurfaceWidth  || srcLeft ){
-        rowoffset = (srcSurfaceWidth - srcWidth) * pSrcSurface->bytesPerPixel;
+        rowoffset = srcSurfaceWidth * pSrcSurface->bytesPerPixel;
         offset   += srcLeft * pSrcSurface->bytesPerPixel;
         /* TODO: do we ever get 3bpp?, would a shift and an add be quicker than a mul (well maybe a cycle or two) */
     }
     /* TODO DXT formats */

if(pSourceRect != NULL && pSourceRect->top != 0){
-       offset +=  pSourceRect->top * srcWidth * pSrcSurface->bytesPerPixel;
+       offset +=  pSourceRect->top * srcSurfaceWidth * pSrcSurface->bytesPerPixel;
     }
     TRACE("(%p) glTexSubImage2D, Level %d, left %d, top %d, width %d, height %d , ftm %d, type %d, memory %p\n"
     ,This