commit-bot@chromium.org | bde3cd8 | 2014-04-28 19:41:01 +0000 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | |
| 3 | # Copyright 2014 Google Inc. |
| 4 | # |
| 5 | # Use of this source code is governed by a BSD-style license that can be |
| 6 | # found in the LICENSE file. |
| 7 | |
| 8 | """Script to test out suitableForGpuRasterization (via gpuveto)""" |
| 9 | |
| 10 | import argparse |
| 11 | import glob |
| 12 | import os |
| 13 | import re |
| 14 | import subprocess |
| 15 | import sys |
| 16 | |
| 17 | # Set the PYTHONPATH to include the tools directory. |
| 18 | sys.path.append( |
| 19 | os.path.join(os.path.dirname(os.path.realpath(__file__)), os.pardir)) |
| 20 | import find_run_binary |
| 21 | |
| 22 | def list_files(dir_or_file): |
| 23 | """Returns a list of all the files from the provided argument |
| 24 | |
| 25 | @param dir_or_file: either a directory or skp file |
| 26 | |
| 27 | @returns a list containing the files in the directory or a single file |
| 28 | """ |
| 29 | files = [] |
| 30 | for globbedpath in glob.iglob(dir_or_file): # useful on win32 |
| 31 | if os.path.isdir(globbedpath): |
| 32 | for filename in os.listdir(globbedpath): |
| 33 | newpath = os.path.join(globbedpath, filename) |
| 34 | if os.path.isfile(newpath): |
| 35 | files.append(newpath) |
| 36 | elif os.path.isfile(globbedpath): |
| 37 | files.append(globbedpath) |
| 38 | return files |
| 39 | |
| 40 | |
| 41 | def execute_program(args): |
| 42 | """Executes a process and waits for it to complete. |
| 43 | |
| 44 | @param args: is passed into subprocess.Popen(). |
| 45 | |
| 46 | @returns a tuple of the process output (returncode, output) |
| 47 | """ |
| 48 | proc = subprocess.Popen(args, stdout=subprocess.PIPE, |
| 49 | stderr=subprocess.STDOUT) |
| 50 | output, _ = proc.communicate() |
| 51 | errcode = proc.returncode |
| 52 | return (errcode, output) |
| 53 | |
| 54 | |
| 55 | class GpuVeto(object): |
| 56 | |
| 57 | def __init__(self): |
| 58 | self.bench_pictures = find_run_binary.find_path_to_program( |
| 59 | 'bench_pictures') |
| 60 | self.gpuveto = find_run_binary.find_path_to_program('gpuveto') |
| 61 | assert os.path.isfile(self.bench_pictures) |
| 62 | assert os.path.isfile(self.gpuveto) |
| 63 | self.truePositives = 0 |
| 64 | self.falsePositives = 0 |
| 65 | self.trueNegatives = 0 |
| 66 | self.falseNegatives = 0 |
| 67 | |
| 68 | def process_skps(self, dir_or_file): |
| 69 | for skp in enumerate(dir_or_file): |
| 70 | self.process_skp(skp[1]) |
| 71 | |
| 72 | sys.stdout.write('TP %d FP %d TN %d FN %d\n' % (self.truePositives, |
| 73 | self.falsePositives, |
| 74 | self.trueNegatives, |
| 75 | self.falseNegatives)) |
| 76 | |
| 77 | |
| 78 | def process_skp(self, skp_file): |
| 79 | assert os.path.isfile(skp_file) |
| 80 | |
| 81 | # run gpuveto on the skp |
| 82 | args = [self.gpuveto, '-r', skp_file] |
| 83 | returncode, output = execute_program(args) |
| 84 | if (returncode != 0): |
| 85 | return |
| 86 | |
| 87 | if ('unsuitable' in output): |
| 88 | suitable = False |
| 89 | else: |
| 90 | assert 'suitable' in output |
| 91 | suitable = True |
| 92 | |
| 93 | # run raster config |
| 94 | args = [self.bench_pictures, '-r', skp_file, |
| 95 | '--repeat', '20', |
| 96 | '--config', '8888'] |
| 97 | returncode, output = execute_program(args) |
| 98 | if (returncode != 0): |
| 99 | return |
| 100 | |
| 101 | matches = re.findall('[\d.]+', output) |
| 102 | if len(matches) != 4: |
| 103 | return |
| 104 | |
| 105 | rasterTime = float(matches[3]) |
| 106 | |
| 107 | # run gpu config |
| 108 | args2 = [self.bench_pictures, '-r', skp_file, |
| 109 | '--repeat', '20', |
| 110 | '--config', 'gpu'] |
| 111 | returncode, output = execute_program(args2) |
| 112 | if (returncode != 0): |
| 113 | return |
| 114 | |
| 115 | matches = re.findall('[\d.]+', output) |
| 116 | if len(matches) != 4: |
| 117 | return |
| 118 | |
| 119 | gpuTime = float(matches[3]) |
| 120 | |
| 121 | sys.stdout.write('%s: gpuveto: %d raster %.2f gpu: %.2f\n' % ( |
| 122 | skp_file, suitable, rasterTime, gpuTime)) |
| 123 | |
| 124 | if suitable: |
| 125 | if gpuTime < rasterTime: |
| 126 | self.truePositives += 1 |
| 127 | else: |
| 128 | self.falsePositives += 1 |
| 129 | else: |
| 130 | if gpuTime < rasterTime: |
| 131 | self.falseNegatives += 1 |
| 132 | else: |
| 133 | self.trueNegatives += 1 |
| 134 | |
| 135 | |
| 136 | def main(main_argv): |
| 137 | parser = argparse.ArgumentParser() |
| 138 | parser.add_argument('--skp_path', |
| 139 | help='Path to the SKP(s). Can either be a directory ' \ |
| 140 | 'containing SKPs or a single SKP.', |
| 141 | required=True) |
| 142 | |
| 143 | args = parser.parse_args() |
| 144 | GpuVeto().process_skps(list_files(args.skp_path)) |
| 145 | |
| 146 | if __name__ == '__main__': |
| 147 | sys.exit(main(sys.argv[1])) |