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#83 fix surface lock with rect

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This commit is contained in:
FunkyFr3sh 2021-04-24 08:14:48 +02:00
parent 7e56551895
commit b7f485d935
1 changed files with 9 additions and 1 deletions
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10
src/ddsurface.c
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@ -690,7 +690,15 @@ HRESULT dds_Lock(IDirectDrawSurfaceImpl *This, LPRECT lpDestRect, LPDDSURFACEDES
{ {
dbg_dump_dds_lock_flags(dwFlags); dbg_dump_dds_lock_flags(dwFlags);
return dds_GetSurfaceDesc(This, lpDDSurfaceDesc); HRESULT ret = dds_GetSurfaceDesc(This, lpDDSurfaceDesc);
if (lpDestRect && lpDDSurfaceDesc && lpDestRect->left >= 0 && lpDestRect->top >= 0)
{
lpDDSurfaceDesc->lpSurface =
(char*)This->surface + (lpDestRect->left * This->lx_pitch) + (lpDestRect->top * This->l_pitch);
}
return ret;
} }
HRESULT dds_SetColorKey(IDirectDrawSurfaceImpl *This, DWORD flags, LPDDCOLORKEY colorKey) HRESULT dds_SetColorKey(IDirectDrawSurfaceImpl *This, DWORD flags, LPDDCOLORKEY colorKey)