| # Copyright 2019 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. |
| |
| import re |
| |
| def _ParseANGLEGpuVendorString(device_string): |
| if not device_string: |
| return None |
| # ANGLE's device (renderer) string is of the form: |
| # "ANGLE (vendor_string, renderer_string, gl_version profile)" |
| # This function will be used to get the first value in the tuple |
| match = re.search(r'ANGLE \((.*), .*, .*\)', device_string) |
| if match: |
| return match.group(1) |
| else: |
| return None |
| |
| |
| def _GetANGLEGpuDeviceId(device_string): |
| if not device_string: |
| return None |
| # ANGLE's device (renderer) string is of the form: |
| # "ANGLE (vendor_string, renderer_string, gl_version profile)" |
| # This function will be used to get the second value in the tuple |
| match = re.search(r'ANGLE \(.*, (.*), .*\)', device_string) |
| if match: |
| return match.group(1) |
| else: |
| return None |
| |
| |
| def GetGpuVendorString(gpu_info): |
| if gpu_info: |
| primary_gpu = gpu_info.devices[0] |
| if primary_gpu: |
| vendor_string = primary_gpu.vendor_string |
| angle_vendor_string = _ParseANGLEGpuVendorString( |
| primary_gpu.device_string) |
| vendor_id = primary_gpu.vendor_id |
| if vendor_id == 0x10DE: |
| return 'nvidia' |
| elif vendor_id == 0x1002: |
| return 'amd' |
| elif vendor_id == 0x8086: |
| return 'intel' |
| elif angle_vendor_string: |
| return angle_vendor_string.lower() |
| elif vendor_string: |
| return vendor_string.split(' ')[0].lower() |
| return 'unknown_gpu' |
| |
| |
| def GetGpuDeviceId(gpu_info): |
| if gpu_info: |
| primary_gpu = gpu_info.devices[0] |
| if primary_gpu: |
| return ( |
| primary_gpu.device_id |
| or _GetANGLEGpuDeviceId( |
| primary_gpu.device_string) |
| or primary_gpu.device_string) |
| return 0 |
| |
| |
| def GetANGLERenderer(gpu_info): |
| if gpu_info and gpu_info.aux_attributes: |
| gl_renderer = gpu_info.aux_attributes.get('gl_renderer') |
| if gl_renderer and 'ANGLE' in gl_renderer: |
| if 'Direct3D11' in gl_renderer: |
| return 'd3d11' |
| elif 'Direct3D9' in gl_renderer: |
| return 'd3d9' |
| elif 'OpenGL ES' in gl_renderer: |
| return 'opengles' |
| elif 'OpenGL' in gl_renderer: |
| return 'opengl' |
| elif 'Vulkan' in gl_renderer: |
| return 'vulkan' |
| return 'no_angle' |
| |
| |
| def GetCommandDecoder(gpu_info): |
| if gpu_info and gpu_info.aux_attributes and \ |
| gpu_info.aux_attributes.get('passthrough_cmd_decoder', False): |
| return 'passthrough' |
| return 'no_passthrough' |
