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##########################################################################
#
# Copyright 2010 VMware, Inc.
# 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 the rights
# to use, copy, modify, merge, publish, distribute, sublicense, 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS 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 base
import gl
class ConstRemover(base.Rebuilder):
def visit_const(self, const):
return const.type
def visit_opaque(self, opaque):
expr = opaque.expr
if expr.startswith('const '):
expr = expr[6:]
return base.Opaque(expr)
class ValueExtractor(base.Visitor):
def visit_literal(self, literal, lvalue, rvalue):
print ' %s = %s;' % (lvalue, rvalue)
def visit_alias(self, alias, lvalue, rvalue):
self.visit(alias.type, lvalue, rvalue)
def visit_enum(self, enum, lvalue, rvalue):
print ' %s = %s;' % (lvalue, rvalue)
def visit_bitmask(self, bitmask, lvalue, rvalue):
self.visit(bitmask.type, lvalue, rvalue)
def visit_array(self, array, lvalue, rvalue):
print ' const Trace::Array *__a%s = dynamic_cast<const Trace::Array *>(&%s);' % (array.id, rvalue)
print ' if (__a%s) {' % (array.id)
length = '__a%s->values.size()' % array.id
print ' %s = new %s[%s];' % (lvalue, array.type, length)
index = '__i' + array.id
print ' for(size_t {i} = 0; {i} < {length}; ++{i}) {{'.format(i = index, length = length)
try:
self.visit(array.type, '%s[%s]' % (lvalue, index), '*__a%s->values[%s]' % (array.id, index))
finally:
print ' }'
print ' } else {'
print ' %s = NULL;' % lvalue
print ' }'
def visit_blob(self, blob, lvalue, rvalue):
print ' %s = static_cast<%s>((%s).blob());' % (lvalue, blob, rvalue)
def visit_string(self, string, lvalue, rvalue):
print ' %s = (%s).string();' % (lvalue, rvalue)
def retrace_function(function):
print 'static void retrace_%s(Trace::Call &call) {' % function.name
if not function.name.startswith('glX'):
success = True
for arg in function.args:
arg.type = ConstRemover().visit(arg.type)
print ' %s %s;' % (arg.type, arg.name)
rvalue = 'call.arg("%s")' % (arg.name,)
lvalue = arg.name
try:
ValueExtractor().visit(arg.type, lvalue, rvalue)
except NotImplementedError:
success = False
print ' %s = 0; // FIXME' % arg.name
if not success:
print ' std::cerr << "warning: unsupported call %s\\n";' % function.name
print ' return;'
arg_names = ", ".join([arg.name for arg in function.args])
print ' %s(%s);' % (function.name, arg_names)
print '}'
print
def retrace_functions(functions):
for function in functions:
retrace_function(function)
print 'static bool retrace_call(Trace::Call &call) {'
for function in functions:
print ' if (call.name == "%s") {' % function.name
print ' retrace_%s(call);' % function.name
print ' return true;'
print ' }'
print ' std::cerr << "warning: unsupported call " << call.name << "\\n";'
print ' return false;'
print '}'
print
if __name__ == '__main__':
print
print '#include <stdlib.h>'
print '#include <string.h>'
print '#include <GL/glew.h>'
print '#include <GL/glut.h>'
print
print '#include "trace_parser.hpp"'
print
functions = gl.basic_functions(base.Function) + gl.extended_functions(base.Function)
retrace_functions(functions)
print '''
class Retracer : public Trace::Parser
{
void handle_call(Trace::Call &call) {
std::cout << call;
std::cout.flush();
retrace_call(call);
}
};
int main(int argc, char **argv)
{
glutInit(&argc, argv);
glutInitWindowPosition( 0, 0 );
glutInitWindowSize( 800, 600 );
glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE );
glutCreateWindow(argv[0]);
glewInit();
for (int i = 1; i < argc; ++i) {
Retracer p;
p.parse(argv[i]);
glutMainLoop();
}
return 0;
}
'''
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