# Copyright (c) 2001, Stanford University
# All rights reserved.
#
# See the file LICENSE.txt for information on redistributing this software.

# This script generates the pack_current.c file.

from __future__ import print_function
import sys
sys.path.append( "../glapi_parser" )
import apiutil

from pack_currenttypes import *

apiutil.CopyrightC()

print("""
/* DO NOT EDIT - THIS FILE GENERATED BY THE pack_current.py SCRIPT */

#include <memory.h>
#include "packer.h"
#include "state/cr_currentpointers.h"

#include <stdio.h>

void crPackOffsetCurrentPointers( int offset )
{
	CR_GET_PACKER_CONTEXT(pc);
	GLnormal_p		*normal		= &(pc->current.c.normal);
	GLcolor_p		*color		= &(pc->current.c.color);
	GLsecondarycolor_p	*secondaryColor	= &(pc->current.c.secondaryColor);
	GLtexcoord_p	*texCoord	= &(pc->current.c.texCoord);
	GLindex_p		*index		= &(pc->current.c.index);
	GLedgeflag_p	*edgeFlag	= &(pc->current.c.edgeFlag);
	GLvertexattrib_p *vertexAttrib = &(pc->current.c.vertexAttrib);
	GLfogcoord_p    *fogCoord   = &(pc->current.c.fogCoord);
	int i;
""")

for k in sorted(current_fns.keys()):
	name = '%s%s' % (k[:1].lower(),k[1:])
	if 'array' in current_fns[k]:
			print('\tfor (i = 0; i < %s; i++)' % current_fns[k]['array'])
			print('\t{')
	for type in current_fns[k]['types']:
		for size in current_fns[k]['sizes']:
			indent = ""
			ptr = "%s->%s%d" % (name, type, size )
			if 'array' in current_fns[k]:
				ptr += "[i]"
				indent = "\t"
			print("%s\tif (%s)" % (indent, ptr))
			print("%s\t\t%s += offset;" % (indent, ptr ))
	if 'array' in current_fns[k]:
		print('\t}')
print("""
}

void crPackNullCurrentPointers( void )
{
	CR_GET_PACKER_CONTEXT(pc);
	CRCurrentStateAttr	*c		= &(pc->current.c);
""")
print('\tmemset (c, 0, sizeof(CRCurrentStateAttr));')
print("}")