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#!/usr/bin/env python3
# Copyright 2015 Ben Vanik. All Rights Reserved.
"""GPU trace runner and comparison tool.
"""
__author__ = 'ben.vanik@gmail.com (Ben Vanik)'
import argparse
import hashlib
import math
import operator
import os
import shutil
import subprocess
import sys
self_path = os.path.dirname(os.path.abspath(__file__))
try:
from PIL import Image, ImageChops
except:
print 'ERROR: could not find ImageChops - install with:'
print ' python -m pip install Pillow'
sys.exit(1)
def main():
# Add self to the root search path.
sys.path.insert(0, os.path.abspath(os.path.dirname(__file__)))
# Check python version.
if not sys.version_info[:2] == (2, 7):
# TODO(benvanik): allow things to work with 3, but warn on clang-format.
print('ERROR: Python 2.7 must be installed and on PATH')
sys.exit(1)
return
# Setup main argument parser and common arguments.
parser = argparse.ArgumentParser(prog='gpu-trace-diff',
description='Run and diff GPU traces.')
parser.add_argument(
'-x', '--executable',
default='build/bin/Windows/Debug/xenia-gpu-vulkan-trace-dump.exe')
parser.add_argument('-t', '--trace_file', action='append')
parser.add_argument('-p', '--trace_path')
parser.add_argument('-o', '--output_path', default='')
parser.add_argument('-r', '--reference_path', default='')
parser.add_argument('-u', '--update_reference_files', action='store_true')
parser.add_argument('-n', '--generate_missing_reference_files',
action='store_true')
args = vars(parser.parse_args(sys.argv[1:]))
exe_path = args['executable']
if not os.path.exists(exe_path):
print 'ERROR: executable %s not found, ensure it is built' % (exe_path)
sys.exit(1)
return
trace_files = args['trace_file'] or []
if args['trace_path']:
for child_path in os.listdir(args['trace_path']):
if (os.path.splitext(child_path)[1] == '.xenia_gpu_trace'):
trace_files.append(os.path.join(args['trace_path'], child_path))
# If the user passed no args, die nicely.
if not trace_files:
parser.print_help()
sys.exit(1)
return
output_path = args['output_path'].replace('/', os.pathsep)
if not os.path.exists(output_path):
os.makedirs(output_path)
html_path = os.path.join(output_path, 'results.html')
if os.path.exists(html_path):
os.remove(html_path)
reference_path = args['reference_path'].replace('/', os.pathsep)
if not os.path.exists(reference_path):
print('Reference path %s not found; forcing to update mode')
os.makedirs(reference_path)
args['update_reference_files'] = True
html_file = None
if not args['update_reference_files']:
html_file = open(html_path, 'w')
html_file.write("""
<html><head>
<title>GPU Trace Comparison Results</title>
</head><body>
<table>
<tr>
<td>Output</td>
<td>Diff</td>
<td>Reference</td>
</tr>
""")
html_rel_path = os.path.relpath(os.getcwd(), output_path)
html_file.write('<base href="%s">' % html_rel_path)
diff_count = 0
for trace_file in trace_files:
trace_file = trace_file.replace('/', os.pathsep)
base_path = os.path.dirname(trace_file)
file_name = os.path.basename(trace_file)
reference_file_path = os.path.join(reference_path, file_name + '.png')
output_file_path = os.path.join(output_path, file_name + '.png')
diff_file_path = os.path.join(output_path, file_name + '.diff.png')
if (args['generate_missing_reference_files'] and
os.path.exists(reference_file_path)):
# Only process tracess that are missing reference files.
continue
print '--------------------------------------------------------------------'
print ' Trace: %s' % (trace_file)
print 'Reference: %s' % (reference_file_path)
# Cleanup old files.
if os.path.exists(output_file_path):
os.remove(output_file_path)
if os.path.exists(diff_file_path):
os.remove(diff_file_path)
# Run the trace dump too to produce a new png.
run_args = [
exe_path.replace('/', os.pathsep),
'--target_trace_file=%s' % (trace_file.replace(os.pathsep, '/')),
'--trace_dump_path=%s' % (output_path.replace(os.pathsep, '/')),
]
tries_remaining = 3
while tries_remaining:
try:
startupinfo = None
if os.name == 'nt':
startupinfo = subprocess.STARTUPINFO()
startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
startupinfo.wShowWindow = 4 # SW_SHOWNOACTIVATE
proc = subprocess.Popen(
run_args,
shell=True,
startupinfo=startupinfo,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out, err = proc.communicate()
# print out
# print err
except Exception as e:
print 'ERROR: failed to run trace dump tool'
print run_args
print e
sys.exit(1)
return
# Ensure the file was generated
if not os.path.exists(output_file_path):
print 'New image not generated; died?'
tries_remaining -= 1
continue
else:
break
if not tries_remaining and not os.path.exists(output_file_path):
print 'Retries exceeded; aborting'
sys.exit(1)
return
# If updating references, move the output into place.
if args['update_reference_files']:
print 'Updating reference file...'
if not os.path.exists(os.path.dirname(reference_file_path)):
os.makedirs(os.path.dirname(reference_file_path))
shutil.copy2(output_file_path, reference_file_path)
continue
# If we didn't have a reference file for this and are in gen mode, just copy
# and ignore.
if (not os.path.exists(reference_file_path) and
args['generate_missing_reference_files']):
print 'Adding new reference file...'
if not os.path.exists(os.path.dirname(reference_file_path)):
os.makedirs(os.path.dirname(reference_file_path))
shutil.copy2(output_file_path, reference_file_path)
continue
# Compare files.
print ' New: %s' % (output_file_path)
reference_image = Image.open(reference_file_path)
reference_rgb = reference_image.convert('RGB').tobytes('raw', 'RGB')
reference_hash = hashlib.sha1(reference_rgb).hexdigest()
new_image = Image.open(output_file_path)
new_rgb = new_image.convert('RGB').tobytes('raw', 'RGB')
new_hash = hashlib.sha1(new_rgb).hexdigest()
is_diff = reference_hash != new_hash
if is_diff:
print 'DIFFERENCE DETECTED! %s != %s' % (reference_hash, new_hash)
diff_count += 1
diff_image = ImageChops.difference(reference_image, new_image)
diff_image.save(diff_file_path)
else:
print 'Matches exactly!'
if html_file:
html_file.write('<tr>')
html_file.write('<td colspan="3">%s</td>' % (trace_file))
html_file.write('</tr>')
html_file.write('<tr>')
if is_diff:
html_file.write(
'<td><img class="image output-image" src="%s"></td>' % (
output_file_path))
html_file.write(
'<td><img class="image diff-image" src="%s"></td>' % (
diff_file_path))
html_file.write(
'<td><img class="image reference-image" src="%s"></td>' % (
reference_file_path))
else:
html_file.write(
'<td><img class="image reference-image" src="%s"></td>' % (
reference_file_path))
html_file.write('<td></td><td></td>')
html_file.write('</tr>')
print ''
if html_file:
html_file.write("""
</table>
<script>
function toggleSizes() {
[].forEach.call(document.getElementsByClassName('image'), function(el) {
if (el.style.width != '480px') {
el.style.width = '480px';
} else {
el.style.width = '';
}
});
}
[].forEach.call(document.getElementsByClassName('image'), function(el) {
el.onclick = toggleSizes;
});
toggleSizes();
</script>
</body></html>
""")
html_file.close()
if not diff_count:
print 'All files match!'
sys.exit(0)
else:
print '%s files do not match!' % (diff_count)
sys.exit(1)
if __name__ == '__main__':
main()
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