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# Copyright (c) 2001, Stanford University
# All rights reserved.
#
# See the file LICENSE.txt for information on redistributing this software.
# This script generates the cr/include/cr_packfunctions.h file from the
# gl_header.parsed file.
from __future__ import print_function
import sys
import string
import apiutil
apiutil.CopyrightC()
print("""#ifndef CR_PACKFUNCTIONS_H
#define CR_PACKFUNCTIONS_H
/* DO NOT EDIT - THIS FILE GENERATED BY THE pack_header.py SCRIPT */
/* Prototypes for the OpenGL packer functions in packer.c and pack_bbox.c */
#include "chromium.h"
#include "state/cr_client.h"
#include "cr_pack.h"
#ifdef WINDOWS
#define PACK_APIENTRY __stdcall
#else
#define PACK_APIENTRY
#endif
#ifdef __cplusplus
extern "C" {
#endif
""")
keys = apiutil.GetDispatchedFunctions(sys.argv[1]+"/APIspec.txt")
for func_name in keys:
if ("pack" in apiutil.ChromiumProps(func_name) or
"extpack" in apiutil.ChromiumProps(func_name) or
apiutil.NonVectorFunction(func_name) != '' or
apiutil.FindSpecial('packer', func_name)):
# OK, generate a crPackFooBar() prototype for this function
return_type = apiutil.ReturnType(func_name)
args = apiutil.Parameters(func_name)
if return_type != 'void':
if apiutil.IsPointer(return_type):
args.append(("return_value", return_type, 0))
else:
args.append(("return_value", return_type + "*", 0))
elif "pixelstore" in apiutil.Properties(func_name):
args.append(("packstate", "const CRPixelPackState *", 0))
if "get" in apiutil.Properties(func_name):
args.append(("writeback", "int *", 0))
print('void PACK_APIENTRY crPack%s(%s);' % (func_name, apiutil.MakeDeclarationStringWithContext('CR_PACKER_CONTEXT', args)))
print('void PACK_APIENTRY crPack%sSWAP(%s);' % (func_name, apiutil.MakeDeclarationStringWithContext('CR_PACKER_CONTEXT', args)))
# Now generate special BBOX, COUNT, SWAP variations on the glVertex and
# glVertexAttrib functions.
for func_name in keys:
if (func_name[0:6] == "Vertex" and
"pervertex" in apiutil.Properties(func_name) and
("pack" in apiutil.ChromiumProps(func_name) or
apiutil.NonVectorFunction(func_name) != '')):
assert apiutil.ReturnType(func_name) == "void"
args = apiutil.Parameters(func_name)
print('void PACK_APIENTRY crPack%sBBOX(%s);' % (func_name, apiutil.MakeDeclarationString(args)))
print('void PACK_APIENTRY crPack%sBBOX_COUNT(%s);' % (func_name, apiutil.MakeDeclarationString(args)))
print('void PACK_APIENTRY crPack%sBBOXSWAP(%s);' % (func_name, apiutil.MakeDeclarationString(args)))
print('void PACK_APIENTRY crPack%sBBOX_COUNTSWAP(%s);' % (func_name, apiutil.MakeDeclarationString(args)))
print("""
#ifdef __cplusplus
}
#endif
#endif /* CR_PACKFUNCTIONS_H */
""")
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