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- // Copyright (c) 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.
- // A valid gpu control list json file is in the format of
- // {
- // "version": "x.y",
- // "entries": [
- // { // entry 1
- // },
- // ...
- // { // entry n
- // }
- // ]
- // }
- //
- // Each entry contains the following fields (fields are optional unless
- // specifically described as mandatory below):
- // 1. "id" is an integer. 0 is reserved. This field is mandatory.
- // 2. "os" contains "type" and an optional "version". "type" could be "macosx",
- // "linux", "win", "chromeos", or "any". "any" is the same as not specifying
- // "os".
- // "version" is a VERSION structure (defined below).
- // 3. "vendor_id" is a string. 0 is reserved.
- // 4. "device_id" is an array of strings. 0 is reserved
- // 5. "device_revision" is an array of strings. Default is 0. This is Windows
- // only. There are three ways to specify a device on Windows:
- // a) only specify device IDs;
- // b) specify one device ID, associate with multiple revisions;
- // c) specify k device IDs, associate with k device revisions.
- // https://docs.microsoft.com/en-us/windows-hardware/drivers/install/identifiers-for-pci-devices
- // 6. "multi_gpu_style" is a string, valid values include:
- // a) "optimus": NVIDIA dual GPU
- // b) "amd_switchable": AMD dual GPU
- // c) "amd_switchable_integrated": AMD dual GPU, integrated GPU is active
- // d) "amd_switchable_discrete": AMD dual GPU, discrete GPU is active
- // c) and d) are only valid on Win, as on Mac we can switch GPU on the fly.
- // 7. "multi_gpu_category" is a string, valid values include "any", "primary",
- // "secondary", and "active". If unspecified, the default value is "active".
- // See gpu_control_list.h for more details on the meanings of the strings.
- // 8. "driver_vendor" is a string pattern. (Not available on Windows)
- // 9. "driver_version" is a VERSION structure (defined below). On Windows
- // this value can be retrieved by searching for the "Driver File Version" in
- // dxdiag.txt
- // 10. "gl_type" is a string, valid values include "gl", "gles", and "angle".
- // If "gl_version" is specified and "gl_type" is not, use the default value.
- // The default value on Android is "gles", on Windows is "angle", on other
- // platforms is "gl".
- // 11. "gl_version" is a VERSION structure (defined below).
- // 12. "gl_vendor" is a string pattern.
- // 13. "gl_renderer" is a string pattern.
- // 14. "gl_extensions" is a string pattern.
- // 15. "machine_model_name" is an array of string patterns.
- // 16. "machine_model_version" is a VERSION structure (defined below).
- // 17. "gpu_count" is a INT structure (defined below).
- // 18. "cpu_info" is a string pattern.
- // 19. "exceptions" is a list of entries.
- // 20. "features" is a list of gpu control list options, which can be
- // configured by a specific list. See its *_json.cc file for a list of
- // supported features. This field is mandatory.
- // An "exceptions" list to the features can be added for convenience instead
- // of listing all features except one.
- // 21. "description" has the description of the entry.
- // 22. "webkit_bugs" is an array of associated webkit bug numbers.
- // 23. "cr_bugs" is an array of associated webkit bug numbers.
- // 24. "disabled" is a boolean. If it is present, the entry will be skipped.
- // This can not be used in exceptions.
- // 25. "direct_rendering" is a boolean. If present, this will filter on whether
- // the GL contexts are direct or indirect based on the value.
- // 26. "disabled_extensions" is a list of strings which contain the GL_EXTENSION
- // strings which are disabled by the workaround.
- // 27. "pixel_shader_version" is a VERSION structure (defined below).
- // 28. "test_group" is an non-negative integer. If not specified, it defaults
- // to 0, which is Chrome's blocklist. Any entries with a non-zero test_group
- // ID will be appended on top of the default group entries if Chrome runs
- // with --gpu-blocklist-test-group=ID.
- // 29. "intel_gpu_series" is a list of gpu series names. Currently supported
- // series include: "broadwater", "eaglelake", "ironlake", "sandybridge",
- // "baytrail", "ivybridge", "haswell", "cherrytrail", "broadwell",
- // "apollolake", "skylake", "geminilake", "kabylake", "coffeelake",
- // "whiskeylake", "cometlake", "cannonlake", "icelake", "elkhartlake",
- // "jasperlake", "tigerlake", "alderlake".
- // 30. "hardware_overlay" is either "supported" or "unsupported". Currently it
- // only applies on Windows where hardware overlays may be supported on
- // certain Intel GPUs. By default it's "dont_care" and there is no need to
- // specify that.
- // 31. "intel_gpu_generation" is a VERSION structure. Each Intel GPU has a
- // specific integer (meaning generation) associated.
- // 32. "subpixel_font_rendering" is either "supported" or "unsupported".
- // Currently it only applies on ChromeOS where subpixel font rendering
- // causes a glitch on Mali GPUs. By default it's "dont_care" and there is
- // no need to specify that.
- // 33. "driver_update_link" provides a link where affected users with older
- // drivers can download a newer driver to avoid triggering this entry.
- // Such link will be displayed in chrome://gpu for affected devices.
- //
- // VERSION includes "op", "style", "schema", "value", and "value2". "op" can
- // be any of the following values: "=", "<", "<=", ">", ">=", "any", "between".
- // "style" is optional and can be "lexical" or "numerical"; if it's not
- // specified, it defaults to "numerical". "schema" is optional and can be
- // "common", "intel_driver" or "nvidia_driver"; if it's not specified, it
- // defaults to "common"; it's an error to specify "(intel|nvidia)_driver" schema
- // for entries that are not specifically for Intel|Nvidia GPUs on Windows.
- // "value2" is only used if "op" is "between". "between" is
- // "value <= * <= value2". "value" is used for all "op" values except "any".
- // "value" and "value2" are in the format of x, x.x, x.x.x, etc.
- // Only "driver_version" supports lexical style if the format is major.minor;
- // in that case, major is still numerical, but minor is lexical.
- // Only "driver_version" supports "(intel|nvidia)_driver" schema.
- //
- // intel_driver schema versions have the form like "AA.BB.(CC|CCC).DDDD". The
- // last two fields are most relevant, and the first two will be ignored by
- // setting them to 0. Thus "0.0.(CC|CCC).DDDD" will be used in comparison
- // following the general rule.
- //
- // FLOAT includes "op" "value", and "value2". "op" can be any of the
- // following values: "=", "<", "<=", ">", ">=", "any", "between". "value2" is
- // only used if "op" is "between". "value" is used for all "op" values except
- // "any". "value" and "value2" are valid float numbers.
- // INT is very much like FLOAT, except that the values need to be integers.
- //
- // String pattern syntax can be found at
- // https://github.com/google/re2/blob/master/doc/syntax.txt
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