b7f5e1b20d
The command-line length limit on Windows is very low (~8000 characters) so it's infeasible to pass a large number of test files directly on the command line. Fortunately, GN includes a built-in workaround. Change-Id: I087fc00f11d81d84f677c2833406b4a6164ea6b3 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/360716 Commit-Queue: John Stiles <johnstiles@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
129 lines
4.3 KiB
Python
Executable File
129 lines
4.3 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2020 Google LLC
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#
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import os
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import shlex
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import subprocess
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import sys
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import tempfile
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batchCompile = True
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skslc = sys.argv[1]
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lang = sys.argv[2]
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settings = sys.argv[3]
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with open(sys.argv[4], 'r') as reader:
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inputs = shlex.split(reader.read())
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def pairwise(iterable):
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# Iterate over an array pairwise (two elements at a time).
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a = iter(iterable)
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return zip(a, a)
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def executeWorklist(input, worklist):
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# Invoke skslc, passing in the worklist.
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worklist.close()
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try:
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output = subprocess.check_output([skslc, worklist.name], stderr=subprocess.STDOUT)
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except subprocess.CalledProcessError as err:
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if err.returncode != 1:
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print("### " + input + " skslc error:\n")
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print("\n".join(err.output.splitlines()))
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sys.exit(err.returncode)
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pass # Compile errors (exit code 1) are expected and normal in test code
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# Delete the worklist file now that execution is complete.
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os.remove(worklist.name)
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def makeEmptyFile(path):
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try:
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open(path, 'wb').close()
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except OSError:
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pass
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def extensionForSpirvAsm(ext):
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return ext if (ext == '.frag' or ext == '.vert' or ext == '.geom') else '.frag'
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if settings != "--settings" and settings != "--nosettings":
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sys.exit("### Expected --settings or --nosettings, got " + settings)
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targets = []
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worklist = tempfile.NamedTemporaryFile(suffix='.worklist', delete=False)
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# The `inputs` array pairs off input files with their matching output directory, e.g.:
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# //skia/tests/sksl/shared/test.sksl
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# //skia/tests/sksl/shared/golden/
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# //skia/tests/sksl/intrinsics/abs.sksl
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# //skia/tests/sksl/intrinsics/golden/
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# ... (etc) ...
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# Here we loop over these inputs and convert them into a worklist file for skslc.
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for input, targetDir in pairwise(inputs):
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noExt, ext = os.path.splitext(input)
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head, tail = os.path.split(noExt)
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if not os.path.isdir(targetDir):
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os.mkdir(targetDir)
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target = os.path.join(targetDir, tail)
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if settings == "--nosettings":
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target += "StandaloneSettings"
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targets.append(target)
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if lang == "--fp":
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worklist.write(input + "\n")
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worklist.write(target + ".cpp\n")
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worklist.write(settings + "\n\n")
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worklist.write(input + "\n")
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worklist.write(target + ".h\n")
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worklist.write(settings + "\n\n")
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elif lang == "--glsl":
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worklist.write(input + "\n")
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worklist.write(target + ".glsl\n")
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worklist.write(settings + "\n\n")
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elif lang == "--metal":
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worklist.write(input + "\n")
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worklist.write(target + ".metal\n")
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worklist.write(settings + "\n\n")
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elif lang == "--spirv":
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worklist.write(input + "\n")
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worklist.write(target + ".asm" + extensionForSpirvAsm(ext) + "\n")
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worklist.write(settings + "\n\n")
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elif lang == "--skvm":
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worklist.write(input + "\n")
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worklist.write(target + ".skvm\n")
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worklist.write(settings + "\n\n")
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else:
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sys.exit("### Expected one of: --fp --glsl --metal --spirv --skvm, got " + lang)
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# Compile items one at a time.
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if not batchCompile:
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executeWorklist(input, worklist)
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worklist = tempfile.NamedTemporaryFile(suffix='.worklist', delete=False)
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# Compile everything all in one go.
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if batchCompile:
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executeWorklist("", worklist)
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else:
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worklist.close()
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os.remove(worklist.name)
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# A special case cleanup pass, just for CPP and H files: if either one of these files starts with
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# `### Compilation failed`, its sibling should be replaced by an empty file. This improves clarity
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# during code review; a failure on either file means that success on the sibling is irrelevant.
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if lang == "--fp":
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for target in targets:
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cppFile = open(target + '.cpp', 'r')
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hFile = open(target + '.h', 'r')
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if cppFile.readline().startswith("### Compilation failed"):
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# The CPP had a compilation failure. Clear the header file.
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hFile.close()
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makeEmptyFile(target + '.h')
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elif hFile.readline().startswith("### Compilation failed"):
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# The header had a compilation failure. Clear the CPP file.
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cppFile.close()
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makeEmptyFile(target + '.cpp')
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