Disable GPU features for Optimus on Linux.

gpu/software_rendering_list/software_rendering_list.json

Index: gpu/software_rendering_list/software_rendering_list.json
===================================================================
--- gpu/software_rendering_list/software_rendering_list.json	(revision 140681)
+++ gpu/software_rendering_list/software_rendering_list.json	(working copy)
@@ -20,27 +20,29 @@
 //    "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. "driver_vendor" is a STRING structure (defined below).
-// 6. "driver_version" is a VERSION structure (defined below).
-// 7. "driver_date" is a VERSION structure (defined below).
+// 5. "multi_gpu_style" is a string, valid values include "optimus", and
+//    "amd_switchable".
+// 6. "driver_vendor" is a STRING structure (defined below).
+// 7. "driver_version" is a VERSION structure (defined below).
+// 8. "driver_date" is a VERSION structure (defined below).
 //    The version is interpreted as "year.month.day".
-// 8. "gl_vendor" is a STRING structure (defined below).
-// 9. "gl_renderer" is a STRING structure (defined below).
-// 10. "perf_graphics" is a FLOAT structure (defined below).
-// 11. "perf_gaming" is a FLOAT structure (defined below).
-// 12. "perf_overall" is a FLOAT structure (defined below).
-// 13. "exceptions" is a list of entries.
-// 14. "blacklist" is a list of gpu feature strings, valid values include
+// 9. "gl_vendor" is a STRING structure (defined below).
+// 10. "gl_renderer" is a STRING structure (defined below).
+// 11. "perf_graphics" is a FLOAT structure (defined below).
+// 12. "perf_gaming" is a FLOAT structure (defined below).
+// 13. "perf_overall" is a FLOAT structure (defined below).
+// 14. "exceptions" is a list of entries.
+// 15. "blacklist" is a list of gpu feature strings, valid values include
 //     "accelerated_2d_canvas", "accelerated_compositing", "webgl",
 //     "multisampling", and "all".
 //     This field is mandatory.
-// 15. "description" has the description of the entry.
-// 16. "webkit_bugs" is an array of associated webkit bug numbers.
-// 17. "cr_bugs" is an array of associated webkit bug numbers.
-// 18. "browser_version" is a VERSION structure (defined below).  If this
+// 16. "description" has the description of the entry.
+// 17. "webkit_bugs" is an array of associated webkit bug numbers.
+// 18. "cr_bugs" is an array of associated webkit bug numbers.
+// 19. "browser_version" is a VERSION structure (defined below).  If this
 //     condition is not satisfied, the entry will be ignored.  If it is not
 //     present, then the entry applies to all versions of the browser.
-// 19. "disabled" is a boolean. If it is present, the entry will be skipped.
+// 20. "disabled" is a boolean. If it is present, the entry will be skipped.
 //     This can not be used in exceptions.
 //
 // VERSION includes "op" "number", and "number2".  "op" can be any of the
@@ -59,7 +61,7 @@
 {
   "name": "software rendering list",
   // Please update the version number whenever you change this file.
-  "version": "1.34",
+  "version": "1.35",
   "entries": [
     {
       "id": 1,
@@ -553,7 +555,17 @@
       "blacklist": [
         "flash_stage3d"
       ]
+    },
+    {
+      "id": 37,
+      "description": "Drivers are unreliable for Optimus on Linux.",
+      "os": {
+        "type": "linux"
+      },
+      "multi_gpu_style": "optimus",
+      "blacklist": [
+        "all"
+      ]
     }
-
   ]
 }