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| 1 // Determines whether a certain gpu is prefered in a dual-gpu situation. |  | 
| 2 // A valid gpu_switching_list.json file are in the format of |  | 
| 3 // { |  | 
| 4 //   "version": "x.y", |  | 
| 5 //   "entries": [ |  | 
| 6 //     { // entry 1 |  | 
| 7 //     }, |  | 
| 8 //     ... |  | 
| 9 //     { // entry n |  | 
| 10 //     } |  | 
| 11 //   ] |  | 
| 12 // } |  | 
| 13 // |  | 
| 14 // Each entry contains the following fields (fields are optional unless |  | 
| 15 // specifically described as mandatory below): |  | 
| 16 // 1. "id" is an integer.  0 is reserved.  This field is mandatory. |  | 
| 17 // 2. "os" contains "type" and an optional "version". "type" could be "macosx", |  | 
| 18 //    "linux", "win", "chromeos", or "any".  "any" is the same as not specifying |  | 
| 19 //    "os". |  | 
| 20 //    "version" is a VERSION structure (defined below). |  | 
| 21 // 3. "vendor_id" is a string.  0 is reserved. |  | 
| 22 // 4. "device_id" is an array of strings.  0 is reserved. |  | 
| 23 // 5. "multi_gpu_style" is a string, valid values include "optimus", and |  | 
| 24 //    "amd_switchable". |  | 
| 25 // 6. "multi_gpu_category" is a string, valid values include "any", "primary", |  | 
| 26 //    and "secondary".  If unspecified, the default value is "primary". |  | 
| 27 // 7. "driver_vendor" is a STRING structure (defined below). |  | 
| 28 // 8. "driver_version" is a VERSION structure (defined below). |  | 
| 29 // 9. "driver_date" is a VERSION structure (defined below). |  | 
| 30 //    The version is interpreted as "year.month.day". |  | 
| 31 // 10. "gl_vendor" is a STRING structure (defined below). |  | 
| 32 // 11. "gl_renderer" is a STRING structure (defined below). |  | 
| 33 // 12. "perf_graphics" is a FLOAT structure (defined below). |  | 
| 34 // 13. "perf_gaming" is a FLOAT structure (defined below). |  | 
| 35 // 14. "perf_overall" is a FLOAT structure (defined below). |  | 
| 36 // 15. "machine_model" contais "name" and an optional "version".  "name" is a |  | 
| 37 //     STRING structure and "version" is a VERSION structure (defined below). |  | 
| 38 // 16. "gpu_count" is a INT structure (defined below). |  | 
| 39 // 17  "cpu_info" is a STRING structure (defined below). |  | 
| 40 // 18. "exceptions" is a list of entries. |  | 
| 41 // 19. "features" is a list of gpu switching options, including |  | 
| 42 //     "force_discrete" and "force_integrated". |  | 
| 43 //     This field is mandatory. |  | 
| 44 // 20. "description" has the description of the entry. |  | 
| 45 // 21. "webkit_bugs" is an array of associated webkit bug numbers. |  | 
| 46 // 22. "cr_bugs" is an array of associated webkit bug numbers. |  | 
| 47 // 23. "browser_version" is a VERSION structure (defined below).  If this |  | 
| 48 //     condition is not satisfied, the entry will be ignored.  If it is not |  | 
| 49 //     present, then the entry applies to all versions of the browser. |  | 
| 50 // 24. "disabled" is a boolean. If it is present, the entry will be skipped. |  | 
| 51 //     This can not be used in exceptions. |  | 
| 52 // |  | 
| 53 // VERSION includes "op", "style", "number", and "number2".  "op" can be any of |  | 
| 54 // the following values: "=", "<", "<=", ">", ">=", "any", "between".  "style" |  | 
| 55 // is optional and can be "lexical" or "numerical"; if it's not specified, it |  | 
| 56 // defaults to "numerical".  "number2" is only used if "op" is "between". |  | 
| 57 // "between" is "number <= * <= number2". |  | 
| 58 // "number" is used for all "op" values except "any". "number" and "number2" |  | 
| 59 // are in the format of x, x.x, x.x.x, etc. |  | 
| 60 // Only "driver_version" supports lexical style if the format is major.minor; |  | 
| 61 // in that case, major is still numerical, but minor is lexical. |  | 
| 62 // |  | 
| 63 // STRING includes "op" and "value".  "op" can be any of the following values: |  | 
| 64 // "contains", "beginwith", "endwith", "=".  "value" is a string. |  | 
| 65 // |  | 
| 66 // FLOAT includes "op" "value", and "value2".  "op" can be any of the |  | 
| 67 // following values: "=", "<", "<=", ">", ">=", "any", "between".  "value2" is |  | 
| 68 // only used if "op" is "between".  "value" is used for all "op" values except |  | 
| 69 // "any". "value" and "value2" are valid float numbers. |  | 
| 70 // INT is very much like FLOAT, except that the values need to be integers. |  | 
| 71 |  | 
| 72 { |  | 
| 73   "name": "gpu switching list", |  | 
| 74   // Please update the version number whenever you change this file. |  | 
| 75   "version": "1.0", |  | 
| 76   "entries": [ |  | 
| 77     { |  | 
| 78       "id": 1, |  | 
| 79       "description": "Force to use discrete GPU on older MacBookPro models.", |  | 
| 80       "cr_bugs": [113703], |  | 
| 81       "os": { |  | 
| 82         "type": "macosx", |  | 
| 83         "version": { |  | 
| 84           "op": ">=", |  | 
| 85           "number": "10.7" |  | 
| 86         } |  | 
| 87       }, |  | 
| 88       "machine_model": { |  | 
| 89         "name": { |  | 
| 90           "op": "=", |  | 
| 91           "value": "MacBookPro" |  | 
| 92         }, |  | 
| 93         "version": { |  | 
| 94           "op": "<", |  | 
| 95           "number": "8" |  | 
| 96         } |  | 
| 97       }, |  | 
| 98       "gpu_count": { |  | 
| 99         "op": "=", |  | 
| 100         "value": "2" |  | 
| 101       }, |  | 
| 102       "features": [ |  | 
| 103         "force_discrete" |  | 
| 104       ] |  | 
| 105     } |  | 
| 106   ] |  | 
| 107 } |  | 
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