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Fixed a crash in IDirectDrawSurface:BltFast.

This commit is contained in:
Eric Pouech 1999-11-21 00:51:29 +00:00 committed by Alexandre Julliard
parent 31a1933aa5
commit be62502611
1 changed files with 14 additions and 2 deletions
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16
graphics/ddraw.c
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@ -1239,7 +1239,7 @@ static HRESULT WINAPI IDirectDrawSurface4Impl_BltFast(
DDSURFACEDESC ddesc,sdesc;
HRESULT ret = DD_OK;
LPBYTE sbuf, dbuf;
RECT rsrc2;
if (TRACE_ON(ddraw)) {
FIXME("(%p)->(%ld,%ld,%p,%p,%08lx)\n",
@ -1248,12 +1248,24 @@ static HRESULT WINAPI IDirectDrawSurface4Impl_BltFast(
FIXME(" trans:");
if (FIXME_ON(ddraw))
_dump_DDBLTFAST(trans);
FIXME(" srcrect: %dx%d-%dx%d\n",rsrc->left,rsrc->top,rsrc->right,rsrc->bottom);
if (rsrc)
FIXME(" srcrect: %dx%d-%dx%d\n",rsrc->left,rsrc->top,rsrc->right,rsrc->bottom);
else
FIXME(" srcrect: NULL\n");
}
/* We need to lock the surfaces, or we won't get refreshes when done. */
IDirectDrawSurface4_Lock(src, NULL,&sdesc,DDLOCK_READONLY, 0);
IDirectDrawSurface4_Lock(iface,NULL,&ddesc,DDLOCK_WRITEONLY,0);
if (!rsrc) {
WARN("rsrc is NULL!\n");
rsrc = &rsrc2;
rsrc->left = rsrc->top = 0;
rsrc->right = sdesc.dwWidth;
rsrc->bottom = sdesc.dwHeight;
}
bpp = GET_BPP(This->s.surface_desc);
sbuf = (BYTE *) sdesc.u1.lpSurface + (rsrc->top * sdesc.lPitch) + rsrc->left * bpp;
dbuf = (BYTE *) ddesc.u1.lpSurface + (dsty * ddesc.lPitch) + dstx * bpp;