Implement easy GPU feature status summary.

content/browser/gpu_blacklist.h

 // Copyright (c) 2011 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.
 
 #ifndef CONTENT_BROWSER_GPU_BLACKLIST_H_
 #define CONTENT_BROWSER_GPU_BLACKLIST_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 43 matching lines @@
   // DetermineGpuFeatureFlags() call.  This tells which entries are responsible
   // for raising a certain flag, i.e, for blacklisting a certain feature.
   // Examples of "feature":
   //   kGpuFeatureAll - any of the supported features;
   //   kGpuFeatureWebgl - a single feature;
   //   kGpuFeatureWebgl | kGpuFeatureAcceleratedCompositing - two features.
   void GetGpuFeatureFlagEntries(GpuFeatureFlags::GpuFeatureType feature,
                                 std::vector<uint32>& entry_ids) const;
 
 
-  // Returns an array of entries, each entry of which has
-  // description, cr_bugs, and webkit_bugs explaining reason for
-  // blacklisting, e.g.:
-  // [{
+  // Returns status information on the blacklist. This is two parted:
+  // {
+  //    featureStatus: []
+  //    problems: []
+  // }
+  //
+  // Each entry in feature_status has:
+  // {
+  //    name:  "name of feature"
+  //    status: "enabled" | "unavailable" | "software";
+  // }
+  //
+  // Each problems has:
+  // {
   //    "description": "Your GPU is too old",
-  //    "cr_bugs": [1234],
-  //    "webkit_bugs": []
-  // }]
-  Value* GetBlacklistingReasons() const;
+  //    "crBugs": [1234],
+  //    "webkitBugs": []
+  // }
+  Value* GetFeatureStatus(bool gpuAccessAllowed) const;

[zmo, 2011/04/11 23:10:25]

gpu_access_allowed

 
   // Return the largest entry id.  This is used for histogramming.
   uint32 max_entry_id() const;
 
   // Collects the version of the current blacklist.  Returns false and sets
   // major and minor to 0 on failure.
   bool GetVersion(uint16* major, uint16* monir) const;
 
   // Collects the version of the current blacklist from a parsed json file.
   // Returns false and sets major and minor to 0 on failure.
@@ skipping 188 matching lines @@
   // user machine.  It is updated everytime DetermineGpuFeatureFlags() is
   // called and is used later by GetGpuFeatureFlagEntries().
   std::vector<GpuBlacklistEntry*> active_entries_;
 
   uint32 max_entry_id_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuBlacklist);
 };
 
 #endif  // CONTENT_BROWSER_GPU_BLACKLIST_H_