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#!/usr/bin/env python
##########################################################################
#
# Copyright 2014-2016 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 subprocess
import sys
import os.path
import optparse
import unpickle
class ContextState:
def __init__(self):
self.textures = {}
class LeakDetector(unpickle.Unpickler):
def __init__(self, apitrace, trace):
cmd = [apitrace, 'pickle', '--symbolic', trace]
p = subprocess.Popen(args = cmd, stdout = subprocess.PIPE)
unpickle.Unpickler.__init__(self, p.stdout)
self.context = ContextState()
def parse(self):
unpickle.Unpickler.parse(self)
# Reached the end of the trace -- dump any live objects
self.dumpLeaks("<EOF>", self.context)
def handleCall(self, call):
# Ignore calls without side effects
if call.flags & unpickle.CALL_FLAG_NO_SIDE_EFFECTS:
return
# Dump call for debugging:
if False:
sys.stderr.write(str(call))
# FIXME: keep track of current context on each thread (*MakeCurrent)
context = self.context
if call.functionName == 'glGenTextures':
n, textures = call.argValues()
for i in range(n):
texture = textures[i]
context.textures[texture] = call.no
if call.functionName == 'glDeleteTextures':
n, textures = call.argValues()
for i in range(n):
texture = textures[i]
try:
del context.textures[texture]
except KeyError:
# Ignore if texture name was never generated
pass
if call.functionName in [
'glXDestroyContext',
'eglDestroyContext',
'wglDeleteContext',
]:
self.dumpLeaks(call.no, context)
def dumpLeaks(self, callNo, context):
for textureName, textureCallNo in context.textures.iteritems():
sys.stderr.write('%u: error: texture %u was not destroyed until %s\n' % (textureCallNo, textureName, callNo))
context.textures.clear()
def main():
'''Main program.
'''
# Parse command line options
optparser = optparse.OptionParser(
usage='\n\t%prog [options] TRACE',
version='%%prog')
optparser.add_option(
'-a', '--apitrace', metavar='PROGRAM',
type='string', dest='apitrace', default='apitrace',
help='apitrace command [default: %default]')
options, args = optparser.parse_args(sys.argv[1:])
if len(args) != 1:
optparser.error("incorrect number of arguments")
inTrace = args[0]
if not os.path.isfile(inTrace):
sys.stderr.write("error: `%s` does not exist\n" % inTrace)
sys.exit(1)
detector = LeakDetector(options.apitrace, inTrace)
detector.parse()
if __name__ == '__main__':
main()
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