def run_reduction_part(
reduction_part_output_dir: Path,
source_dir_to_reduce: Path,
preserve_semantics: bool,
binary_manager: binaries_util.BinaryManager,
settings: Settings,
) -> Path:
test = test_util.metadata_read_from_source_dir(source_dir_to_reduce)
if not test.device or not test.device.name:
raise AssertionError(
f"Cannot reduce {str(source_dir_to_reduce)}; "
f"device must be specified in {str(test_util.get_metadata_path_from_source_dir(source_dir_to_reduce))}"
)
if not test.crash_signature:
raise AssertionError(
f"Cannot reduce {str(source_dir_to_reduce)} because there is no crash string specified."
)
shader_jobs = tool.get_shader_jobs(source_dir_to_reduce)
# TODO: if needed, this could become a parameter to this function.
name_of_shader_to_reduce = shader_jobs[0].name
if len(shader_jobs) > 1:
check(
len(shader_jobs) == 2
and shader_jobs[1].name == test_util.VARIANT_DIR,
AssertionError(
"Can only reduce tests with shader jobs reference and variant, or just variant."
),
)
name_of_shader_to_reduce = shader_jobs[1].name
reduction_work_variant_dir = run_glsl_reduce(
source_dir=source_dir_to_reduce,
name_of_shader_to_reduce=name_of_shader_to_reduce,
output_dir=test_util.get_reduction_work_directory(
reduction_part_output_dir, name_of_shader_to_reduce),
binary_manager=binary_manager,
preserve_semantics=preserve_semantics,
extra_args=list(settings.extra_graphics_fuzz_reduce_args)
if settings.extra_graphics_fuzz_reduce_args else None,
)
final_reduced_shader_job_path = get_final_reduced_shader_job_path(
reduction_work_variant_dir)
check(
final_reduced_shader_job_path.exists(),
ReductionFailedError("Reduction failed.", reduction_work_variant_dir),
)
# Finally, create the output source_dir.
util.copy_dir(source_dir_to_reduce,
test_util.get_source_dir(reduction_part_output_dir))
shader_job_util.copy(
final_reduced_shader_job_path,
test_util.get_shader_job_path(reduction_part_output_dir,
name_of_shader_to_reduce),
)
if not settings.keep_reduction_work:
shutil.rmtree(reduction_work_variant_dir)
return test_util.get_source_dir(reduction_part_output_dir)
def run_reduction(
test_dir_reduction_output: Path,
test_dir_to_reduce: Path,
preserve_semantics: bool,
binary_manager: binaries_util.BinaryManager,
reduction_name: str = "reduction1",
) -> Path:
test = test_util.metadata_read(test_dir_to_reduce)
if not test.device or not test.device.name:
raise AssertionError(
f"Cannot reduce {str(test_dir_to_reduce)}; "
f"device must be specified in {str(test_util.get_metadata_path(test_dir_to_reduce))}"
)
if not test.crash_signature:
raise AssertionError(
f"Cannot reduce {str(test_dir_to_reduce)} because there is no crash string specified."
)
# E.g. reports/crashes/no_signature/d50c96e8_opt_rand2_test_phone_ABC/results/phone_ABC/reductions/1
# Will contain work/ and source/
reduced_test_dir = test_util.get_reduced_test_dir(
test_dir_reduction_output, test.device.name, reduction_name)
source_dir = test_util.get_source_dir(test_dir_to_reduce)
shader_jobs = tool.get_shader_jobs(source_dir)
# TODO: if needed, this could become a parameter to this function.
name_of_shader_to_reduce = shader_jobs[0].name
if len(shader_jobs) > 1:
check(
len(shader_jobs) == 2
and shader_jobs[1].name == test_util.VARIANT_DIR,
AssertionError(
"Can only reduce tests with shader jobs reference and variant, or just variant."
),
)
name_of_shader_to_reduce = shader_jobs[1].name
reduction_work_variant_dir = run_glsl_reduce(
source_dir=source_dir,
name_of_shader_to_reduce=name_of_shader_to_reduce,
output_dir=test_util.get_reduction_work_directory(
reduced_test_dir, name_of_shader_to_reduce),
binary_manager=binary_manager,
preserve_semantics=preserve_semantics,
)
final_reduced_shader_job_path = get_final_reduced_shader_job_path(
reduction_work_variant_dir)
check(
final_reduced_shader_job_path.exists(),
ReductionFailedError("Reduction failed.", reduction_name,
reduction_work_variant_dir),
)
# Finally, create the source_dir so the returned directory can be used as a test_dir.
util.copy_dir(source_dir, test_util.get_source_dir(reduced_test_dir))
shader_job_util.copy(
final_reduced_shader_job_path,
test_util.get_shader_job_path(reduced_test_dir,
name_of_shader_to_reduce),
)
return reduced_test_dir
