diff options
Diffstat (limited to 'src/mapi/glapi/gen/gl_gentable.py')
| -rw-r--r-- | src/mapi/glapi/gen/gl_gentable.py | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/mapi/glapi/gen/gl_gentable.py b/src/mapi/glapi/gen/gl_gentable.py new file mode 100644 index 00000000000..814238a76e1 --- /dev/null +++ b/src/mapi/glapi/gen/gl_gentable.py @@ -0,0 +1,174 @@ +#!/usr/bin/env python + +# (C) Copyright IBM Corporation 2004, 2005 +# (C) Copyright Apple Inc. 2011 +# 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: +# Jeremy Huddleston <[email protected]> +# +# Based on code ogiginally by: +# Ian Romanick <[email protected]> + +import license +import gl_XML, glX_XML +import sys, getopt + +header = """ +#if defined(DEBUG) && !defined(_WIN32_WCE) +#include <execinfo.h> +#endif + +#include <dlfcn.h> +#include <stdlib.h> +#include <stdio.h> + +#include <GL/gl.h> + +#include "glapi.h" +#include "glapitable.h" + +static void +__glapi_gentable_NoOp(void) { +#if defined(DEBUG) && !defined(_WIN32_WCE) + if (getenv("MESA_DEBUG") || getenv("LIBGL_DEBUG")) { + const char *fstr = "Unknown"; + void *frames[2]; + + if(backtrace(frames, 2) == 2) { + Dl_info info; + dladdr(frames[1], &info); + if(info.dli_sname) + fstr = info.dli_sname; + } + + fprintf(stderr, "Call to unimplemented API: %s\\n", fstr); + } +#endif +} + +static void +__glapi_gentable_set_remaining_noop(struct _glapi_table *disp) { + GLuint entries = _glapi_get_dispatch_table_size(); + void **dispatch = (void **) disp; + int i; + + /* ISO C is annoying sometimes */ + union {_glapi_proc p; void *v;} p; + p.p = __glapi_gentable_NoOp; + + for(i=0; i < entries; i++) + if(dispatch[i] == NULL) + dispatch[i] = p.v; +} + +struct _glapi_table * +_glapi_create_table_from_handle(void *handle, const char *symbol_prefix) { + struct _glapi_table *disp = calloc(1, sizeof(struct _glapi_table)); + char symboln[512]; + + if(!disp) + return NULL; + + if(symbol_prefix == NULL) + symbol_prefix = ""; +""" + +footer = """ + __glapi_gentable_set_remaining_noop(disp); + + return disp; +} +""" + +body_template = """ + if(!disp->%(name)s) { + void ** procp = (void **) &disp->%(name)s; + snprintf(symboln, sizeof(symboln), "%%s%(entry_point)s", symbol_prefix); + *procp = dlsym(handle, symboln); + } +""" + +class PrintCode(gl_XML.gl_print_base): + + def __init__(self): + gl_XML.gl_print_base.__init__(self) + + self.name = "gl_gen_table.py (from Mesa)" + self.license = license.bsd_license_template % ( \ +"""Copyright (C) 1999-2001 Brian Paul All Rights Reserved. +(C) Copyright IBM Corporation 2004, 2005 +(C) Copyright Apple Inc 2011""", "BRIAN PAUL, IBM") + + return + + + def get_stack_size(self, f): + size = 0 + for p in f.parameterIterator(): + if p.is_padding: + continue + + size += p.get_stack_size() + + return size + + + def printRealHeader(self): + print header + return + + + def printRealFooter(self): + print footer + return + + + def printBody(self, api): + for f in api.functionIterateByOffset(): + for entry_point in f.entry_points: + vars = { 'entry_point' : entry_point, + 'name' : f.name } + + print body_template % vars + 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:], "m:f:") + except Exception,e: + show_usage() + + for (arg,val) in args: + if arg == "-f": + file_name = val + + printer = PrintCode() + + api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory()) + printer.Print(api) |