0,0 → 1,238 |
#!/usr/bin/python2 |
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# (C) Copyright IBM Corporation 2004 |
# All Rights Reserved. |
# |
# Permission is hereby granted, free of charge, to any person obtaining a |
# copy of this software and associated documentation files (the "Software"), |
# to deal in the Software without restriction, including without limitation |
# on the rights to use, copy, modify, merge, publish, distribute, sub |
# license, and/or sell copies of the Software, and to permit persons to whom |
# the Software is furnished to do so, subject to the following conditions: |
# |
# The above copyright notice and this permission notice (including the next |
# paragraph) shall be included in all copies or substantial portions of the |
# Software. |
# |
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
# IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
# IN THE SOFTWARE. |
# |
# Authors: |
# Ian Romanick <idr@us.ibm.com> |
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import gl_XML |
import license |
import sys, getopt |
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class PrintGlTable(gl_XML.gl_print_base): |
def __init__(self, es=False): |
gl_XML.gl_print_base.__init__(self) |
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self.es = es |
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") |
self.ifdef_emitted = False; |
return |
|
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def printBody(self, api): |
for f in api.functionIterateByOffset(): |
if not f.is_abi() and not self.ifdef_emitted: |
print '#if !defined HAVE_SHARED_GLAPI' |
self.ifdef_emitted = True |
arg_string = f.get_parameter_string() |
print ' %s (GLAPIENTRYP %s)(%s); /* %d */' % (f.return_type, f.name, arg_string, f.offset) |
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print '#endif /* !defined HAVE_SHARED_GLAPI */' |
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def printRealHeader(self): |
print '#ifndef GLAPIENTRYP' |
print '# ifndef GLAPIENTRY' |
print '# define GLAPIENTRY' |
print '# endif' |
print '' |
print '# define GLAPIENTRYP GLAPIENTRY *' |
print '#endif' |
print '' |
print '' |
print 'struct _glapi_table' |
print '{' |
return |
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def printRealFooter(self): |
print '};' |
return |
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class PrintRemapTable(gl_XML.gl_print_base): |
def __init__(self, es=False): |
gl_XML.gl_print_base.__init__(self) |
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self.es = es |
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 |
|
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def printRealHeader(self): |
print """ |
/** |
* \\file main/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 |
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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 '' |
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functions = [] |
abi_functions = [] |
alias_functions = [] |
count = 0 |
for f in api.functionIterateByOffset(): |
if not f.is_abi(): |
functions.append( [f, count] ) |
count += 1 |
else: |
abi_functions.append( [f, -1] ) |
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if self.es: |
# remember functions with aliases |
if len(f.entry_points) > 1: |
alias_functions.append(f) |
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print '/* total number of offsets below */' |
print '#define _gloffset_COUNT %d' % (len(abi_functions + functions)) |
print '' |
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for f, index in abi_functions: |
print '#define _gloffset_%s %d' % (f.name, f.offset) |
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if self.es: |
remap_table = "esLocalRemapTable" |
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print '#define %s_size %u' % (remap_table, count) |
print 'static int %s[ %s_size ];' % (remap_table, remap_table) |
print '' |
else: |
remap_table = "driDispatchRemapTable" |
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print '#define %s_size %u' % (remap_table, count) |
print 'extern int %s[ %s_size ];' % (remap_table, remap_table) |
print '' |
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for f, index in functions: |
print '#define %s_remap_index %u' % (f.name, index) |
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print '' |
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for f, index in functions: |
print '#define _gloffset_%s %s[%s_remap_index]' % (f.name, remap_table, f.name) |
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print '' |
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for f, index in abi_functions + functions: |
arg_string = gl_XML.create_parameter_string( f.parameters, 0 ) |
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print 'typedef %s (GLAPIENTRYP _glptr_%s)(%s);' % (f.return_type, f.name, arg_string) |
print '#define CALL_%s(disp, parameters) \\' % (f.name) |
print ' (* GET_%s(disp)) parameters' % (f.name) |
print 'static inline _glptr_%s GET_%s(struct _glapi_table *disp) {' % (f.name, f.name) |
print ' return (_glptr_%s) (GET_by_offset(disp, _gloffset_%s));' % (f.name, f.name) |
print '}' |
print |
print 'static inline void SET_%s(struct _glapi_table *disp, %s (GLAPIENTRYP fn)(%s)) {' % (f.name, f.return_type, arg_string) |
print ' SET_by_offset(disp, _gloffset_%s, fn);' % (f.name) |
print '}' |
print |
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if alias_functions: |
print '' |
print '/* define aliases for compatibility */' |
for f in alias_functions: |
for name in f.entry_points: |
if name != f.name: |
print '#define CALL_%s(disp, parameters) CALL_%s(disp, parameters)' % (name, f.name) |
print '#define GET_%s(disp) GET_%s(disp)' % (name, f.name) |
print '#define SET_%s(disp, fn) SET_%s(disp, fn)' % (name, f.name) |
print '' |
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for f in alias_functions: |
for name in f.entry_points: |
if name != f.name: |
print '#define %s_remap_index %s_remap_index' % (name, f.name) |
print '' |
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return |
|
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def show_usage(): |
print "Usage: %s [-f input_file_name] [-m mode] [-c ver]" % sys.argv[0] |
print " -m mode Mode can be 'table' or 'remap_table'." |
print " -c ver Version can be 'es1' or 'es2'." |
sys.exit(1) |
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if __name__ == '__main__': |
file_name = "gl_API.xml" |
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try: |
(args, trail) = getopt.getopt(sys.argv[1:], "f:m:c:") |
except Exception,e: |
show_usage() |
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mode = "table" |
es = None |
for (arg,val) in args: |
if arg == "-f": |
file_name = val |
elif arg == "-m": |
mode = val |
elif arg == "-c": |
es = val |
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if mode == "table": |
printer = PrintGlTable(es) |
elif mode == "remap_table": |
printer = PrintRemapTable(es) |
else: |
show_usage() |
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api = gl_XML.parse_GL_API( file_name ) |
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if es is not None: |
api.filter_functions_by_api(es) |
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printer.Print( api ) |