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ddraw: Don't interpret end padding as dwCaps2 for x64.

This commit is contained in:
Dylan Smith 2011-05-23 17:58:46 -04:00 committed by Alexandre Julliard
parent 3871329872
commit f7002c6627
3 changed files with 18 additions and 7 deletions
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3
dlls/ddraw/ddraw.c
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@ -3125,8 +3125,7 @@ static HRESULT CreateSurface(IDirectDrawImpl *ddraw, DDSURFACEDESC2 *DDSD,
DDSD->ddsCaps.dwCaps2 &= ~DDSCAPS2_MIPMAPSUBLEVEL;
/* Modify some flags */
desc2.dwSize = sizeof(desc2); /* For the struct copy */
DD_STRUCT_COPY_BYSIZE(&desc2, DDSD);
copy_to_surfacedesc2(&desc2, DDSD);
desc2.u4.ddpfPixelFormat.dwSize=sizeof(DDPIXELFORMAT); /* Just to be sure */
/* Get the video mode from WineD3D - we will need it */

18
dlls/ddraw/ddraw_private.h
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@ -588,16 +588,30 @@ typedef struct
/* Structure copy */
#define ME(x,f,e) { x, #x, (void (*)(const void *))(f), offsetof(STRUCT, e) }
#define DD_STRUCT_COPY_BYSIZE(to,from) \
#define DD_STRUCT_COPY_BYSIZE_(to,from,from_size) \
do { \
DWORD __size = (to)->dwSize; \
DWORD __copysize = min(__size, (from)->dwSize); \
DWORD __copysize = min(__size, from_size); \
assert(to != from); \
memcpy(to, from, __copysize); \
memset((char*)(to) + __copysize, 0, __size - __copysize); \
(to)->dwSize = __size; /* restore size */ \
} while (0)
#define DD_STRUCT_COPY_BYSIZE(to,from) DD_STRUCT_COPY_BYSIZE_(to,from,(from)->dwSize)
#define SIZEOF_END_PADDING(type, last_field) \
(sizeof(type) - offsetof(type, last_field) - sizeof(((type *)0)->last_field))
static inline void copy_to_surfacedesc2(DDSURFACEDESC2 *to, DDSURFACEDESC2 *from)
{
DWORD from_size = from->dwSize;
if (from_size == sizeof(DDSURFACEDESC))
from_size -= SIZEOF_END_PADDING(DDSURFACEDESC, ddsCaps);
to->dwSize = sizeof(DDSURFACEDESC2); /* for struct copy */
DD_STRUCT_COPY_BYSIZE_(to, from, from_size);
}
#endif

4
dlls/ddraw/surface.c
View File

@ -3565,9 +3565,7 @@ HRESULT ddraw_surface_init(IDirectDrawSurfaceImpl *surface, IDirectDrawImpl *ddr
surface->version = 7;
surface->ddraw = ddraw;
surface->surface_desc.dwSize = sizeof(DDSURFACEDESC2);
surface->surface_desc.u4.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
DD_STRUCT_COPY_BYSIZE(&surface->surface_desc, desc);
copy_to_surfacedesc2(&surface->surface_desc, desc);
surface->first_attached = surface;
surface->ImplType = surface_type;