1 #!/usr/bin/env python 2 3 # (C) Copyright IBM Corporation 2004, 2005 4 # (C) Copyright Apple Inc. 2011 5 # All Rights Reserved. 6 # 7 # Permission is hereby granted, free of charge, to any person obtaining a 8 # copy of this software and associated documentation files (the "Software"), 9 # to deal in the Software without restriction, including without limitation 10 # on the rights to use, copy, modify, merge, publish, distribute, sub 11 # license, and/or sell copies of the Software, and to permit persons to whom 12 # the Software is furnished to do so, subject to the following conditions: 13 # 14 # The above copyright notice and this permission notice (including the next 15 # paragraph) shall be included in all copies or substantial portions of the 16 # Software. 17 # 18 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 # FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 # IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 22 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 23 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 24 # IN THE SOFTWARE. 25 # 26 # Authors: 27 # Jeremy Huddleston <jeremyhu (at] apple.com> 28 # 29 # Based on code ogiginally by: 30 # Ian Romanick <idr (at] us.ibm.com> 31 32 import license 33 import gl_XML, glX_XML 34 import sys, getopt 35 36 header = """/* GLXEXT is the define used in the xserver when the GLX extension is being 37 * built. Hijack this to determine whether this file is being built for the 38 * server or the client. 39 */ 40 #ifdef HAVE_DIX_CONFIG_H 41 #include <dix-config.h> 42 #endif 43 44 #if (defined(GLXEXT) && defined(HAVE_BACKTRACE)) \\ 45 || (!defined(GLXEXT) && defined(DEBUG) && !defined(_WIN32_WCE)) 46 #define USE_BACKTRACE 47 #endif 48 49 #ifdef USE_BACKTRACE 50 #include <execinfo.h> 51 #endif 52 53 #include <dlfcn.h> 54 #include <stdlib.h> 55 #include <stdio.h> 56 57 #include <GL/gl.h> 58 59 #include "glapi.h" 60 #include "glapitable.h" 61 62 #ifdef GLXEXT 63 #include "os.h" 64 #endif 65 66 static void 67 __glapi_gentable_NoOp(void) { 68 const char *fstr = "Unknown"; 69 70 /* Silence potential GCC warning for some #ifdef paths. 71 */ 72 (void) fstr; 73 #if defined(USE_BACKTRACE) 74 #if !defined(GLXEXT) 75 if (getenv("MESA_DEBUG") || getenv("LIBGL_DEBUG")) 76 #endif 77 { 78 void *frames[2]; 79 80 if(backtrace(frames, 2) == 2) { 81 Dl_info info; 82 dladdr(frames[1], &info); 83 if(info.dli_sname) 84 fstr = info.dli_sname; 85 } 86 87 #if !defined(GLXEXT) 88 fprintf(stderr, "Call to unimplemented API: %s\\n", fstr); 89 #endif 90 } 91 #endif 92 #if defined(GLXEXT) 93 LogMessage(X_ERROR, "GLX: Call to unimplemented API: %s\\n", fstr); 94 #endif 95 } 96 97 static void 98 __glapi_gentable_set_remaining_noop(struct _glapi_table *disp) { 99 GLuint entries = _glapi_get_dispatch_table_size(); 100 void **dispatch = (void **) disp; 101 int i; 102 103 /* ISO C is annoying sometimes */ 104 union {_glapi_proc p; void *v;} p; 105 p.p = __glapi_gentable_NoOp; 106 107 for(i=0; i < entries; i++) 108 if(dispatch[i] == NULL) 109 dispatch[i] = p.v; 110 } 111 112 struct _glapi_table * 113 _glapi_create_table_from_handle(void *handle, const char *symbol_prefix) { 114 struct _glapi_table *disp = calloc(1, sizeof(struct _glapi_table)); 115 char symboln[512]; 116 117 if(!disp) 118 return NULL; 119 120 if(symbol_prefix == NULL) 121 symbol_prefix = ""; 122 """ 123 124 footer = """ 125 __glapi_gentable_set_remaining_noop(disp); 126 127 return disp; 128 } 129 """ 130 131 body_template = """ 132 if(!disp->%(name)s) { 133 void ** procp = (void **) &disp->%(name)s; 134 snprintf(symboln, sizeof(symboln), "%%s%(entry_point)s", symbol_prefix); 135 *procp = dlsym(handle, symboln); 136 } 137 """ 138 139 class PrintCode(gl_XML.gl_print_base): 140 141 def __init__(self): 142 gl_XML.gl_print_base.__init__(self) 143 144 self.name = "gl_gen_table.py (from Mesa)" 145 self.license = license.bsd_license_template % ( \ 146 """Copyright (C) 1999-2001 Brian Paul All Rights Reserved. 147 (C) Copyright IBM Corporation 2004, 2005 148 (C) Copyright Apple Inc 2011""", "BRIAN PAUL, IBM") 149 150 return 151 152 153 def get_stack_size(self, f): 154 size = 0 155 for p in f.parameterIterator(): 156 if p.is_padding: 157 continue 158 159 size += p.get_stack_size() 160 161 return size 162 163 164 def printRealHeader(self): 165 print header 166 return 167 168 169 def printRealFooter(self): 170 print footer 171 return 172 173 174 def printBody(self, api): 175 for f in api.functionIterateByOffset(): 176 for entry_point in f.entry_points: 177 vars = { 'entry_point' : entry_point, 178 'name' : f.name } 179 180 print body_template % vars 181 return 182 183 def show_usage(): 184 print "Usage: %s [-f input_file_name]" % sys.argv[0] 185 sys.exit(1) 186 187 if __name__ == '__main__': 188 file_name = "gl_API.xml" 189 190 try: 191 (args, trail) = getopt.getopt(sys.argv[1:], "m:f:") 192 except Exception,e: 193 show_usage() 194 195 for (arg,val) in args: 196 if arg == "-f": 197 file_name = val 198 199 printer = PrintCode() 200 201 api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory()) 202 printer.Print(api) 203
