mesa/src/compiler/glsl/tests/optimization_test.py

126 lines
3.9 KiB
Python

# encoding=utf-8
# Copyright © 2018 Intel Corporation
# 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.
"""Script to generate and run glsl optimization tests."""
import argparse
import difflib
import errno
import os
import subprocess
import sys
import sexps
import lower_jump_cases
# The meson version handles windows paths better, but if it's not available
# fall back to shlex
try:
from meson.mesonlib import split_args
except ImportError:
from shlex import split as split_args
def arg_parser():
parser = argparse.ArgumentParser()
parser.add_argument(
'--test-runner',
required=True,
help='The glsl_test binary.')
return parser.parse_args()
def compare(actual, expected):
"""Compare the s-expresions and return a diff if they are different."""
actual = sexps.sort_decls(sexps.parse_sexp(actual))
expected = sexps.sort_decls(sexps.parse_sexp(expected))
if actual == expected:
return None
actual = sexps.sexp_to_string(actual)
expected = sexps.sexp_to_string(expected)
return difflib.unified_diff(expected.splitlines(), actual.splitlines())
def get_test_runner(runner):
"""Wrap the test runner in the exe wrapper if necessary."""
wrapper = os.environ.get('MESON_EXE_WRAPPER', None)
if wrapper is None:
return [runner]
return split_args(wrapper) + [runner]
def main():
"""Generate each test and report pass or fail."""
args = arg_parser()
total = 0
passes = 0
runner = get_test_runner(args.test_runner)
for gen in lower_jump_cases.CASES:
for name, opt, source, expected in gen():
total += 1
print('{}: '.format(name), end='')
proc = subprocess.Popen(
runner + ['optpass', '--quiet', '--input-ir', opt],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
stdin=subprocess.PIPE)
out, err = proc.communicate(source.encode('utf-8'))
out = out.decode('utf-8')
err = err.decode('utf-8')
if proc.returncode == 255:
print("Test returned general error, possibly missing linker")
sys.exit(77)
if err:
print('FAIL')
print('Unexpected output on stderr: {}'.format(err),
file=sys.stdout)
continue
result = compare(out, expected)
if result is not None:
print('FAIL')
for l in result:
print(l, file=sys.stderr)
else:
print('PASS')
passes += 1
print('{}/{} tests returned correct results'.format(passes, total))
exit(0 if passes == total else 1)
if __name__ == '__main__':
try:
main()
except OSError as e:
if e.errno == errno.ENOEXEC:
print('Skipping due to inability to run host binaries', file=sys.stderr)
sys.exit(77)
raise