Sweden-Number/dlls/d3dx9_36/shader.c

50 lines
1.5 KiB
C

/*
* Copyright 2008 Luis Busquets
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include "wine/debug.h"
#include "windef.h"
#include "wingdi.h"
#include "d3dx9.h"
WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
UINT WINAPI D3DXGetShaderSize(const DWORD *byte_code)
{
const DWORD *ptr = byte_code;
TRACE("byte_code %p\n", byte_code);
if (!ptr) return 0;
/* Look for the END token, skipping the VERSION token */
while (*++ptr != D3DSIO_END)
{
/* Skip comments */
if ((*ptr & D3DSI_OPCODE_MASK) == D3DSIO_COMMENT)
{
ptr += ((*ptr & D3DSI_COMMENTSIZE_MASK) >> D3DSI_COMMENTSIZE_SHIFT);
}
}
++ptr;
/* Return the shader size in bytes */
return (ptr - byte_code) * sizeof(*ptr);
}