0,0 → 1,202 |
#!/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 <jeremyhu@apple.com> |
# |
# Based on code ogiginally by: |
# Ian Romanick <idr@us.ibm.com> |
|
import license |
import gl_XML, glX_XML |
import sys, getopt |
|
header = """/* GLXEXT is the define used in the xserver when the GLX extension is being |
* built. Hijack this to determine whether this file is being built for the |
* server or the client. |
*/ |
#ifdef HAVE_DIX_CONFIG_H |
#include <dix-config.h> |
#endif |
|
#if (defined(GLXEXT) && defined(HAVE_BACKTRACE)) \\ |
|| (!defined(GLXEXT) && defined(DEBUG) && !defined(_WIN32_WCE) && !defined(__CYGWIN__) && !defined(__MINGW32__) && !defined(__OpenBSD__)) |
#define USE_BACKTRACE |
#endif |
|
#ifdef USE_BACKTRACE |
#include <execinfo.h> |
#endif |
|
#include <dlfcn.h> |
#include <stdlib.h> |
#include <stdio.h> |
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#include "main/glheader.h" |
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#include "glapi.h" |
#include "glapitable.h" |
|
#ifdef GLXEXT |
#include "os.h" |
#endif |
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static void |
__glapi_gentable_NoOp(void) { |
const char *fstr = "Unknown"; |
|
/* Silence potential GCC warning for some #ifdef paths. |
*/ |
(void) fstr; |
#if defined(USE_BACKTRACE) |
#if !defined(GLXEXT) |
if (getenv("MESA_DEBUG") || getenv("LIBGL_DEBUG")) |
#endif |
{ |
void *frames[2]; |
|
if(backtrace(frames, 2) == 2) { |
Dl_info info; |
dladdr(frames[1], &info); |
if(info.dli_sname) |
fstr = info.dli_sname; |
} |
|
#if !defined(GLXEXT) |
fprintf(stderr, "Call to unimplemented API: %s\\n", fstr); |
#endif |
} |
#endif |
#if defined(GLXEXT) |
LogMessage(X_ERROR, "GLX: 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() |
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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) |