HRESULT WINAPI D3DXLoadSurfaceFromMemory	(	LPDIRECT3DSURFACE9	pDestSurface,
		CONST PALETTEENTRY *	pDestPalette,
		CONST RECT *	pDestRect,
		LPCVOID	pSrcMemory,
		D3DFORMAT	SrcFormat,
		UINT	SrcPitch,
		CONST PALETTEENTRY *	pSrcPalette,
		CONST RECT *	pSrcRect,
		DWORD	dwFilter,
		D3DCOLOR	Colorkey
	)

Definition at line 437 of file surface.c.

Referenced by D3DXLoadSurfaceFromSurface().

{
    CONST PixelFormatDesc *srcformatdesc, *destformatdesc;
    D3DSURFACE_DESC surfdesc;
    D3DLOCKED_RECT lockrect;
    POINT srcsize, destsize;
    HRESULT hr;
    TRACE("(void)\n");

    if( !pDestSurface || !pSrcMemory || !pSrcRect ) return D3DERR_INVALIDCALL;
    if(SrcFormat == D3DFMT_UNKNOWN || pSrcRect->left >= pSrcRect->right || pSrcRect->top >= pSrcRect->bottom) return E_FAIL;

    if(dwFilter != D3DX_FILTER_NONE) return E_NOTIMPL;

    IDirect3DSurface9_GetDesc(pDestSurface, &surfdesc);

    srcformatdesc = get_format_info(SrcFormat);
    destformatdesc = get_format_info(surfdesc.Format);
    if( srcformatdesc->type == FORMAT_UNKNOWN ||  srcformatdesc->bytes_per_pixel > 4) return E_NOTIMPL;
    if(destformatdesc->type == FORMAT_UNKNOWN || destformatdesc->bytes_per_pixel > 4) return E_NOTIMPL;

    srcsize.x = pSrcRect->right - pSrcRect->left;
    srcsize.y = pSrcRect->bottom - pSrcRect->top;
    if( !pDestRect ) {
        destsize.x = surfdesc.Width;
        destsize.y = surfdesc.Height;
    } else {
        destsize.x = pDestRect->right - pDestRect->left;
        destsize.y = pDestRect->bottom - pDestRect->top;
    }

    hr = IDirect3DSurface9_LockRect(pDestSurface, &lockrect, pDestRect, 0);
    if(FAILED(hr)) return D3DXERR_INVALIDDATA;

    copy_simple_data((CONST BYTE*)pSrcMemory, SrcPitch, srcsize, srcformatdesc,
                     (CONST BYTE*)lockrect.pBits, lockrect.Pitch, destsize, destformatdesc,
                     dwFilter);

    IDirect3DSurface9_UnlockRect(pDestSurface);
    return D3D_OK;
}

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