190 lines
6.1 KiB
Python
190 lines
6.1 KiB
Python
#!/usr/bin/env python
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# Copyright (C) 2006 Thomas Sondergaard
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# All Rights Reserved.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# on the rights to use, copy, modify, merge, publish, distribute, sub
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# license, and/or sell copies of the Software, and to permit persons to whom
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# the Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice (including the next
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# paragraph) shall be included in all copies or substantial portions of the
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# Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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# IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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#
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# Authors:
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# Thomas Sondergaard <ts@medical-insight.com>
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import gl_XML, glX_XML, glX_proto_common, license
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import sys, getopt, copy, string
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def create_argument_string(parameters):
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"""Create a parameter string from a list of gl_parameters."""
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list = []
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for p in parameters:
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list.append( p.name )
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#if len(list) == 0: list = ["void"]
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return string.join(list, ", ")
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def create_logfunc_string(func, name):
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"""Create a parameter string from a list of gl_parameters."""
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list = []
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list.append('"gl' + name + '("')
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sep = None
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for p in func.parameters:
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if (sep):
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list.append(sep)
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list.append( p.name )
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sep = '", "'
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list.append('");"')
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#if len(list) == 0: list = ["void"]
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return "if (config.logCalls) GLTRACE_LOG(" + string.join(list, " << ")+");";
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class PrintGltrace(glX_proto_common.glx_print_proto): #(gl_XML.gl_print_base):
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def __init__(self):
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gl_XML.gl_print_base.__init__(self)
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self.name = "gltrace.py"
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self.license = license.bsd_license_template % ( \
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"""Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
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(C) Copyright IBM Corporation 2004""", "PRECISION INSIGHT, IBM")
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#self.header_tag = "_INDIRECT_H_"
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self.last_category = ""
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return
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def printRealHeader(self):
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print """/**
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* \\file
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* gl and glX wrappers for tracing
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*
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* \\author Thomas Sondergaard <ts@medical-insight.com>
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*/
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"""
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#self.printVisibility( "HIDDEN", "hidden" )
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#self.printFastcall()
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#self.printNoinline()
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print """
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#include <GL/gl.h>
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#include <GL/glx.h>
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#include <GL/glu.h>
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#include <dlfcn.h>
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#include "gltrace_support.h"
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using namespace gltrace;
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static GLenum real_glGetError() {
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static GLenum (*real_func)(void) = 0;
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if (!real_func) real_func = (GLenum (*)(void)) dlsym(RTLD_NEXT, "glGetError");
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return real_func();
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}
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bool betweenGLBeginEnd = false;
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extern "C" {
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__GLXextFuncPtr real_glXGetProcAddressARB(const GLubyte *func_name) {
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static __GLXextFuncPtr (*real_func)(const GLubyte *func_name) = 0;
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if (!real_func) real_func = (__GLXextFuncPtr (*)(const GLubyte *func_name)) dlsym(RTLD_NEXT, "glXGetProcAddressARB");
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return real_func(func_name);
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}
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__GLXextFuncPtr glXGetProcAddressARB(const GLubyte *func_name_ubyte) {
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std::string func_name =
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std::string("gltrace_")+reinterpret_cast<const char*>(func_name_ubyte);
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__GLXextFuncPtr f = (__GLXextFuncPtr) dlsym(RTLD_DEFAULT, func_name.c_str());
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if (!f) {
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GLTRACE_LOG("warning: Could not resolve '" << func_name << "' - function will not be intercepted");
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return real_glXGetProcAddressARB(func_name_ubyte);
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}
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return f;
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}
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"""
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def printRealFooter(self):
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print "} // Extern \"C\""
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def printBody(self, api):
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for func in api.functionIterateGlx():
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for func_name in func.entry_points:
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functionPrefix = ""
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use_dlsym = True
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if (api.get_category_for_name(func.name)[1] != None):
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functionPrefix = "gltrace_"
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use_dlsym = False
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print '%s %sgl%s(%s) {' % (func.return_type, functionPrefix, func_name, func.get_parameter_string())
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if (use_dlsym):
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print ' static %s (*real_func)(%s) = 0;' % (func.return_type, func.get_parameter_string())
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print ' if (!real_func) real_func = (%s (*)(%s)) dlsym(RTLD_NEXT, "gl%s");' % (func.return_type, func.get_parameter_string(), func_name)
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else: # use glXGetProcAddressArb
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print ' static %s (*real_func)(%s) = 0;' % (func.return_type, func.get_parameter_string())
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print ' if (!real_func) real_func = (%s (*)(%s)) real_glXGetProcAddressARB((GLubyte *)"gl%s");' % (func.return_type, func.get_parameter_string(), func_name)
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print ' ' + create_logfunc_string(func, func_name)
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if (func.return_type == "void"):
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print ' real_func(%s);' % (create_argument_string(func.parameters))
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else:
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print ' %s retval = real_func(%s);' % (func.return_type, create_argument_string(func.parameters))
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if (func.name == "Begin"):
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print ' betweenGLBeginEnd = true;'
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elif (func.name == "End"):
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print ' betweenGLBeginEnd = false;'
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print ' if (!betweenGLBeginEnd && config.checkErrors) {'
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print ' GLenum res;'
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print ' while ((res = real_glGetError ()) != GL_NO_ERROR) '
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print ' GLTRACE_LOG("OpenGL Error (" << res << "): <" << gluErrorString(res) << "> at " << gltrace::getStackTrace());'
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print ' }'
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if (func.return_type != "void"):
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print " return retval;"
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print '}'
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def show_usage():
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print "Usage: %s [-f input_file_name] [-m output_mode] [-d]" % sys.argv[0]
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print " -m output_mode Output mode can be one of 'proto', 'init_c' or 'init_h'."
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print " -d Enable extra debug information in the generated code."
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sys.exit(1)
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if __name__ == '__main__':
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file_name = "gl_API.xml"
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try:
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(args, trail) = getopt.getopt(sys.argv[1:], "f:d")
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except Exception,e:
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show_usage()
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debug = 0
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for (arg,val) in args:
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if arg == "-f":
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file_name = val
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elif arg == "-d":
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debug = 1
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printer = PrintGltrace()
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printer.debug = debug
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api = gl_XML.parse_GL_API( file_name, glX_XML.glx_item_factory() )
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printer.Print( api )
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