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# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from telemetry.internal.platform import gpu_device
class GPUInfo(object):
"""Provides information about the GPUs on the system."""
def __init__(self, device_array, aux_attributes,
feature_status, driver_bug_workarounds):
if device_array == None:
raise Exception('Missing required "devices" property')
if len(device_array) == 0:
raise Exception('Missing at least one GPU in device_array')
self._devices = [gpu_device.GPUDevice.FromDict(d) for d in device_array]
self._aux_attributes = aux_attributes
self._feature_status = feature_status
self._driver_bug_workarounds = driver_bug_workarounds
@classmethod
def FromDict(cls, attrs):
"""Constructs a GPUInfo from a dictionary of attributes.
Attributes currently required to be present in the dictionary:
devices (array of dictionaries, each of which contains
GPUDevice's required attributes)
"""
return cls(attrs['devices'], attrs.get('aux_attributes'),
attrs.get('feature_status'),
attrs.get('driver_bug_workarounds'))
@property
def devices(self):
"""An array of GPUDevices. Element 0 is the primary GPU on the system."""
return self._devices
@property
def aux_attributes(self):
"""Returns a dictionary of auxiliary, optional, attributes.
On the Chrome browser, for example, this dictionary contains:
optimus (boolean)
amd_switchable (boolean)
lenovo_dcute (boolean)
driver_vendor (string)
driver_version (string)
driver_date (string)
gl_version_string (string)
gl_vendor (string)
gl_renderer (string)
gl_extensions (string)
display_link_version (string)
"""
return self._aux_attributes
@property
def feature_status(self):
"""Returns an optional dictionary of graphics features and their status."""
return self._feature_status
@property
def driver_bug_workarounds(self):
"""Returns an optional array of driver bug workarounds."""
return self._driver_bug_workarounds
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