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# Copyright 2023 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import sys
from typing import Any
import unittest
from telemetry.internal.platform import gpu_info as telemetry_gpu_info
from gpu_tests import common_typing as ct
from gpu_tests import gpu_integration_test
from gpu_tests import webgpu_cts_integration_test_base
import gpu_path_util
EXPECTATIONS_FILE = os.path.join(gpu_path_util.CHROMIUM_SRC_DIR, 'third_party',
'dawn', 'webgpu-cts',
'compat-expectations.txt')
class WebGpuCompatCtsIntegrationTest(
webgpu_cts_integration_test_base.WebGpuCtsIntegrationTestBase):
_use_min_es31 = False
@classmethod
def UseWebGpuCompatMode(cls) -> bool:
return True
@classmethod
def Name(cls) -> str:
return 'webgpu_compat_cts'
def _GetSerialGlobs(self) -> set[str]:
serial_globs = super()._GetSerialGlobs()
return serial_globs
def _GetSerialTests(self) -> set[str]:
serial_tests = super()._GetSerialTests()
return serial_tests
@classmethod
def ExpectationsFiles(cls) -> list[str]:
return [EXPECTATIONS_FILE]
@classmethod
def GetPlatformTags(cls, browser: ct.Browser) -> list[str]:
tags = super().GetPlatformTags(browser)
if cls._use_min_es31:
tags.append('compat-min-es31')
else:
tags.append('compat-default')
return tags
@classmethod
def _DetermineExpectedFeatureValues(cls) -> None:
super()._DetermineExpectedFeatureValues()
browser_options = cls._finder_options.browser_options
if not browser_options or not browser_options.extra_browser_args:
return
for arg in browser_options.extra_browser_args:
if arg.startswith('--enable-dawn-features='):
values = arg[len('--enable-dawn-features='):]
for feature in values.split(','):
if feature == 'gl_force_es_31_and_no_extensions':
cls._use_min_es31 = True
@classmethod
def _VerifyBrowserFeaturesMatchExpectedValues(cls) -> None:
super()._VerifyBrowserFeaturesMatchExpectedValues()
gpu_info = cls.browser.GetSystemInfo().gpu
cls._VerifyWebGPUCompatBackend(gpu_info)
# pylint: disable=unused-argument
@classmethod
def _VerifyWebGPUCompatBackend(cls,
gpu_info: telemetry_gpu_info.GPUInfo) -> None:
"""Verifies that WebGPU's compat ANGLE backend is OpenGL ES 3.1"""
# TODO(crbug.com/388318201): Verify WebGPU Compat backend GLES version
return
def load_tests(_loader: unittest.TestLoader, _tests: Any,
_pattern: Any) -> unittest.TestSuite:
return gpu_integration_test.LoadAllTestsInModule(sys.modules[__name__])
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