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Revert "Generate shader corpora for fuzzers"

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This reverts commit d09317c0b5.

Reason for revert: Breaks chromium build. See: crbug.com/tint/970

Bug: tint:970

Original change's description:
> Generate shader corpora for fuzzers
>
> Adds scripts that generated corpora of WGSL and SPIR-V shaders for
> the tint fuzzers, from test cases in the repository.
>
> Fixed: tint:966
> Change-Id: I7e86ef5e34676d0c4f5b7e413a5c0f444fca08ff
> Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/57204
> Kokoro: Kokoro <noreply+kokoro@google.com>
> Reviewed-by: Ben Clayton <bclayton@google.com>
> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
> Commit-Queue: Alastair Donaldson <afdx@google.com>

# Not skipping CQ checks because original CL landed > 1 day ago.

Change-Id: I5bdcfe33c3e4d1bc71b9e51c650c0e7318c561e1
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/57428
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Ben Clayton <bclayton@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
This commit is contained in:
Ben Clayton
2021-07-12 11:59:21 +00:00
committed by Tint LUCI CQ
parent f07ad6733b
commit 2e6fefb858
3 changed files with 0 additions and 217 deletions
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78
fuzzers/generate_spirv_corpus.py
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#!/usr/bin/env python3
# Copyright 2021 The Tint Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Collect all .spvasm files under a given directory, assemble them using
# spirv-as, and emit the assembled binaries to a given corpus directory,
# flattening their file names by replacing path separators with underscores.
# If the output directory already exists, it will be deleted and re-created.
# Files ending with ".expected.spvasm" are skipped.
#
# The intended use of this script is to generate a corpus of SPIR-V
# binaries for fuzzing.
#
# Usage:
# generate_spirv_corpus.py <input_dir> <corpus_dir> <path to spirv-as>
import os
import pathlib
import shutil
import subprocess
import sys
def list_spvasm_files(root_search_dir):
for root, folders, files in os.walk(root_search_dir):
for filename in folders + files:
if pathlib.Path(filename).suffix == ".spvasm":
yield os.path.join(root, filename)
def main():
if len(sys.argv) != 4:
print("Usage: " + sys.argv[0] +
" <input dir> <output dir> <spirv-as path>")
return 1
input_dir: str = os.path.abspath(sys.argv[1].rstrip(os.sep))
corpus_dir: str = os.path.abspath(sys.argv[2])
spirv_as_path: str = os.path.abspath(sys.argv[3])
print(' '.join([input_dir, corpus_dir, spirv_as_path]))
if os.path.exists(corpus_dir):
shutil.rmtree(corpus_dir)
os.makedirs(corpus_dir)
for in_file in list_spvasm_files(input_dir):
if in_file.endswith(".expected.spvasm"):
continue
out_file = os.path.splitext(corpus_dir + os.sep +
in_file[len(input_dir) + 1:]
.replace(os.sep, '_'))[0] + ".spv"
cmd = [spirv_as_path,
"--target-env",
"spv1.3",
in_file,
"-o",
out_file]
proc = subprocess.Popen(cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = proc.communicate()
if proc.returncode != 0:
print("Error running " + " ".join(cmd) + ": " + stdout, stderr)
return 1
if __name__ == "__main__":
sys.exit(main())