diff options
Diffstat (limited to 'mesalib/src/mesa/glapi/gen/remap_helper.py')
| -rw-r--r-- | mesalib/src/mesa/glapi/gen/remap_helper.py | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/mesalib/src/mesa/glapi/gen/remap_helper.py b/mesalib/src/mesa/glapi/gen/remap_helper.py deleted file mode 100644 index 8b50526d2..000000000 --- a/mesalib/src/mesa/glapi/gen/remap_helper.py +++ /dev/null @@ -1,226 +0,0 @@ -#!/usr/bin/env python - -# Copyright (C) 2009 Chia-I Wu <olv@0xlab.org> -# All Rights Reserved. -# -# This is based on extension_helper.py by Ian Romanick. -# -# 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. - -import gl_XML -import license -import sys, getopt, string - -def get_function_spec(func): - sig = "" - # derive parameter signature - for p in func.parameterIterator(): - if p.is_padding: - continue - # FIXME: This is a *really* ugly hack. :( - tn = p.type_expr.get_base_type_node() - if p.is_pointer(): - sig += 'p' - elif tn.integer: - sig += 'i' - elif tn.size == 4: - sig += 'f' - else: - sig += 'd' - - spec = [sig] - for ent in func.entry_points: - spec.append("gl" + ent) - - # spec is terminated by an empty string - spec.append('') - - return spec - -class PrintGlRemap(gl_XML.gl_print_base): - def __init__(self): - gl_XML.gl_print_base.__init__(self) - - self.name = "remap_helper.py (from Mesa)" - self.license = license.bsd_license_template % ("Copyright (C) 2009 Chia-I Wu <olv@0xlab.org>", "Chia-I Wu") - return - - - def printRealHeader(self): - print '#include "main/dispatch.h"' - print '' - return - - - def printBody(self, api): - print 'struct gl_function_remap {' - print ' GLint func_index;' - print ' GLint dispatch_offset; /* for sanity check */' - print '};' - print '' - - pool_indices = {} - - print '/* this is internal to remap.c */' - print '#ifdef need_MESA_remap_table' - print '' - print 'static const char _mesa_function_pool[] =' - - # output string pool - index = 0; - for f in api.functionIterateAll(): - pool_indices[f] = index - - spec = get_function_spec(f) - - # a function has either assigned offset, fixed offset, - # or no offset - if f.assign_offset: - comments = "will be remapped" - elif f.offset > 0: - comments = "offset %d" % f.offset - else: - comments = "dynamic" - - print ' /* _mesa_function_pool[%d]: %s (%s) */' \ - % (index, f.name, comments) - for line in spec: - print ' "%s\\0"' % line - index += len(line) + 1 - print ' ;' - print '' - - print '/* these functions need to be remapped */' - print 'static const struct {' - print ' GLint pool_index;' - print ' GLint remap_index;' - print '} MESA_remap_table_functions[] = {' - # output all functions that need to be remapped - # iterate by offsets so that they are sorted by remap indices - for f in api.functionIterateByOffset(): - if not f.assign_offset: - continue - print ' { %5d, %s_remap_index },' \ - % (pool_indices[f], f.name) - print ' { -1, -1 }' - print '};' - print '' - - # collect functions by versions/extensions - extension_functions = {} - abi_extensions = [] - for f in api.functionIterateAll(): - for n in f.entry_points: - category, num = api.get_category_for_name(n) - # consider only GL_VERSION_X_Y or extensions - c = gl_XML.real_category_name(category) - if c.startswith("GL_"): - if not extension_functions.has_key(c): - extension_functions[c] = [] - extension_functions[c].append(f) - # remember the ext names of the ABI - if (f.is_abi() and n == f.name and - c not in abi_extensions): - abi_extensions.append(c) - # ignore the ABI itself - for ext in abi_extensions: - extension_functions.pop(ext) - - extensions = extension_functions.keys() - extensions.sort() - - # output ABI functions that have alternative names (with ext suffix) - print '/* these functions are in the ABI, but have alternative names */' - print 'static const struct gl_function_remap MESA_alt_functions[] = {' - for ext in extensions: - funcs = [] - for f in extension_functions[ext]: - # test if the function is in the ABI and has alt names - if f.is_abi() and len(f.entry_points) > 1: - funcs.append(f) - if not funcs: - continue - print ' /* from %s */' % ext - for f in funcs: - print ' { %5d, _gloffset_%s },' \ - % (pool_indices[f], f.name) - print ' { -1, -1 }' - print '};' - print '' - - print '#endif /* need_MESA_remap_table */' - print '' - - # output remap helpers for DRI drivers - - for ext in extensions: - funcs = [] - remapped = [] - for f in extension_functions[ext]: - if f.assign_offset: - # these are handled above - remapped.append(f) - else: - # these functions are either in the - # abi, or have offset -1 - funcs.append(f) - - print '#if defined(need_%s)' % (ext) - if remapped: - print '/* functions defined in MESA_remap_table_functions are excluded */' - - # output extension functions that need to be mapped - print 'static const struct gl_function_remap %s_functions[] = {' % (ext) - for f in funcs: - if f.offset >= 0: - print ' { %5d, _gloffset_%s },' \ - % (pool_indices[f], f.name) - else: - print ' { %5d, -1 }, /* %s */' % \ - (pool_indices[f], f.name) - print ' { -1, -1 }' - print '};' - - print '#endif' - print '' - - return - - -def show_usage(): - print "Usage: %s [-f input_file_name]" % sys.argv[0] - sys.exit(1) - -if __name__ == '__main__': - file_name = "gl_API.xml" - - try: - (args, trail) = getopt.getopt(sys.argv[1:], "f:") - except Exception,e: - show_usage() - - for (arg,val) in args: - if arg == "-f": - file_name = val - - api = gl_XML.parse_GL_API( file_name ) - - printer = PrintGlRemap() - printer.Print( api ) |