/
state_isenabled.py
81 lines (65 loc) · 1.98 KB
/
state_isenabled.py
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# Copyright (c) 2001, Stanford University
# All rights reserved.
#
# See the file LICENSE.txt for information on redistributing this software.
import sys, re, string
sys.path.append( "../glapi_parser" )
import apiutil
line_re = re.compile(r'^(\S+)\s+(GL_\S+)\s+(.*)\s*$')
extensions_line_re = re.compile(r'^(\S+)\s+(GL_\S+)\s(\S+)\s+(.*)\s*$')
params = {}
extended_params = {}
input = open( "state_isenabled.txt", 'r' )
for line in input.readlines():
match = line_re.match( line )
if match:
type = match.group(1)
pname = match.group(2)
fields = string.split( match.group(3) )
params[pname] = ( type, fields )
input = open( "state_extensions_isenabled.txt", 'r' )
for line in input.readlines():
match = extensions_line_re.match( line )
if match:
type = match.group(1)
pname = match.group(2)
ifdef = match.group(3)
fields = string.split( match.group(4) )
extended_params[pname] = ( type, ifdef, fields )
apiutil.CopyrightC()
print """
/* DO NOT EDIT - THIS FILE GENERATED BY THE state_isenabled.py SCRIPT */
#include <stdio.h>
#include <math.h>
#include "state.h"
#include "state/cr_statetypes.h"
GLboolean STATE_APIENTRY crStateIsEnabled( GLenum pname )
{
CRContext *g = GetCurrentContext();
if (g->current.inBeginEnd)
{
crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "glGet called in Begin/End");
return 0;
}
switch ( pname ) {
"""
keys = params.keys()
keys.sort();
for pname in keys:
print "\tcase %s:" % pname
print "\t\treturn %s;" % params[pname][1][0]
keys = extended_params.keys();
keys.sort()
for pname in keys:
(srctype,ifdef,fields) = extended_params[pname]
ext = ifdef[3:] # the extension name with the "GL_" prefix removed
ext = ifdef
print '#ifdef CR_%s' % ext
print "\tcase %s:" % pname
print "\t\treturn %s;" % extended_params[pname][2][0]
print '#endif /* CR_%s */' % ext
print "\tdefault:"
print "\t\tcrStateError(__LINE__, __FILE__, GL_INVALID_ENUM, \"glIsEnabled: Unknown enum: %d\", pname);"
print "\t\treturn 0;"
print "\t}"
print "}"