# Authors:
# Ian Romanick <idr@us.ibm.com>
-from xml.sax import saxutils
-from xml.sax import make_parser
-from xml.sax.handler import feature_namespaces
-
import gl_XML
import license
import sys, getopt
-class PrintGlTable(gl_XML.FilterGLAPISpecBase):
- file_name = "gl_gen_table.xml (from Mesa)"
-
+class PrintGlTable(gl_XML.gl_print_base):
def __init__(self):
- gl_XML.FilterGLAPISpecBase.__init__(self)
+ gl_XML.gl_print_base.__init__(self)
+
self.header_tag = '_GLAPI_TABLE_H_'
+ self.name = "gl_table.py (from Mesa)"
self.license = license.bsd_license_template % ( \
"""Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
(C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM")
+ return
- def printFunction(self, f):
- if f.fn_offset < 0: return
+ def printBody(self, api):
+ for f in api.functionIterateByOffset():
+ arg_string = f.get_parameter_string()
+ print ' %s (GLAPIENTRYP %s)(%s); /* %d */' % (f.return_type, f.name, arg_string, f.offset)
- arg_string = f.get_parameter_string()
- print ' %s (GLAPIENTRYP %s)(%s); /* %d */' % \
- (f.fn_return_type, f.name, arg_string, f.fn_offset)
def printRealHeader(self):
print '#ifndef GLAPIENTRYP'
- print '#define GLAPIENTRYP'
+ print '# ifndef GLAPIENTRY'
+ print '# define GLAPIENTRY'
+ print '# endif'
+ print ''
+ print '# define GLAPIENTRYP GLAPIENTRY *'
print '#endif'
print ''
+ print 'typedef void (*_glapi_proc)(void); /* generic function pointer */'
+ print ''
print 'struct _glapi_table'
print '{'
return
+
def printRealFooter(self):
print '};'
return
+class PrintRemapTable(gl_XML.gl_print_base):
+ def __init__(self):
+ gl_XML.gl_print_base.__init__(self)
+
+ self.header_tag = '_DISPATCH_H_'
+ self.name = "gl_table.py (from Mesa)"
+ self.license = license.bsd_license_template % ("(C) Copyright IBM Corporation 2005", "IBM")
+ return
+
+
+ def printRealHeader(self):
+ print """/**
+ * \\file dispatch.h
+ * Macros for handling GL dispatch tables.
+ *
+ * For each known GL function, there are 3 macros in this file. The first
+ * macro is named CALL_FuncName and is used to call that GL function using
+ * the specified dispatch table. The other 2 macros, called GET_FuncName
+ * can SET_FuncName, are used to get and set the dispatch pointer for the
+ * named function in the specified dispatch table.
+ */
+"""
+
+ return
+
+ def printBody(self, api):
+ print '#define CALL_by_offset(disp, cast, offset, parameters) \\'
+ print ' (*(cast (GET_by_offset(disp, offset)))) parameters'
+ print '#define GET_by_offset(disp, offset) \\'
+ print ' (offset >= 0) ? (((_glapi_proc *)(disp))[offset]) : NULL'
+ print '#define SET_by_offset(disp, offset, fn) \\'
+ print ' do { \\'
+ print ' if ( (offset) < 0 ) { \\'
+ print ' /* fprintf( stderr, "[%s:%u] SET_by_offset(%p, %d, %s)!\\n", */ \\'
+ print ' /* __func__, __LINE__, disp, offset, # fn); */ \\'
+ print ' /* abort(); */ \\'
+ print ' } \\'
+ print ' else { \\'
+ print ' ( (_glapi_proc *) (disp) )[offset] = (_glapi_proc) fn; \\'
+ print ' } \\'
+ print ' } while(0)'
+ print ''
+
+ abi = [ "1.0", "1.1", "1.2", "GL_ARB_multitexture" ]
+
+ functions = []
+ abi_functions = []
+ count = 0
+ for f in api.functionIterateByOffset():
+ [category, num] = api.get_category_for_name( f.name )
+ if category not in abi:
+ functions.append( [f, count] )
+ count += 1
+ else:
+ abi_functions.append( f )
+
+
+ for f in abi_functions:
+ print '#define CALL_%s(disp, parameters) (*((disp)->%s)) parameters' % (f.name, f.name)
+ print '#define GET_%s(disp) ((disp)->%s)' % (f.name, f.name)
+ print '#define SET_%s(disp, fn) ((disp)->%s = fn)' % (f.name, f.name)
+
+
+ print ''
+ print '#if !defined(IN_DRI_DRIVER)'
+ print ''
+
+ for [f, index] in functions:
+ print '#define CALL_%s(disp, parameters) (*((disp)->%s)) parameters' % (f.name, f.name)
+ print '#define GET_%s(disp) ((disp)->%s)' % (f.name, f.name)
+ print '#define SET_%s(disp, fn) ((disp)->%s = fn)' % (f.name, f.name)
+
+ print ''
+ print '#else'
+ print ''
+ print '#define driDispatchRemapTable_size %u' % (count)
+ print 'extern int driDispatchRemapTable[ driDispatchRemapTable_size ];'
+ print ''
+
+ for [f, index] in functions:
+ print '#define %s_remap_index %u' % (f.name, index)
+
+ print ''
+
+ for [f, index] in functions:
+ arg_string = gl_XML.create_parameter_string( f.parameters, 0 )
+ cast = '%s (GLAPIENTRYP)(%s)' % (f.return_type, arg_string)
+
+ print '#define CALL_%s(disp, parameters) CALL_by_offset(disp, (%s), driDispatchRemapTable[%s_remap_index], parameters)' % (f.name, cast, f.name)
+ print '#define GET_%s(disp) GET_by_offset(disp, driDispatchRemapTable[%s_remap_index])' % (f.name, f.name)
+ print '#define SET_%s(disp, fn) SET_by_offset(disp, driDispatchRemapTable[%s_remap_index], fn)' % (f.name, f.name)
+
+
+ print ''
+ print '#endif /* !defined(IN_DRI_DRIVER) */'
+ return
+
+
def show_usage():
- print "Usage: %s [-f input_file_name]" % sys.argv[0]
+ print "Usage: %s [-f input_file_name] [-m mode]" % sys.argv[0]
+ print " -m mode Mode can be 'table' or 'remap_table'."
sys.exit(1)
if __name__ == '__main__':
file_name = "gl_API.xml"
try:
- (args, trail) = getopt.getopt(sys.argv[1:], "f:")
+ (args, trail) = getopt.getopt(sys.argv[1:], "f:m:")
except Exception,e:
show_usage()
+ mode = "table"
for (arg,val) in args:
if arg == "-f":
file_name = val
+ elif arg == "-m":
+ mode = val
+
+ if mode == "table":
+ printer = PrintGlTable()
+ elif mode == "remap_table":
+ printer = PrintRemapTable()
+ else:
+ show_usage()
- dh = PrintGlTable()
-
- parser = make_parser()
- parser.setFeature(feature_namespaces, 0)
- parser.setContentHandler(dh)
-
- f = open(file_name)
+ api = gl_XML.parse_GL_API( file_name )
- dh.printHeader()
- parser.parse(f)
- dh.printFooter()
+ printer.Print( api )
projects / mesa.git / blobdiff