gpu/config/gpu_util.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "gpu/config/gpu_util.h"
   6
   7 #include <vector>
   8
   9 #include "base/command_line.h"
  10 #include "base/logging.h"
  11 #include "base/strings/string_number_conversions.h"
  12 #include "base/strings/string_split.h"
  13 #include "gpu/config/gpu_control_list_jsons.h"
  14 #include "gpu/config/gpu_driver_bug_list.h"
  15 #include "gpu/config/gpu_info_collector.h"
  16 #include "gpu/config/gpu_switches.h"
  17 #include "ui/gl/gl_switches.h"
  18
  19 namespace gpu {
  20
  21 namespace {
  22
  23 // Combine the integers into a string, seperated by ','.
  24 std::string IntSetToString(const std::set<int>& list) {
  25   std::string rt;
  26   for (std::set<int>::const_iterator it = list.begin();
  27        it != list.end(); ++it) {
  28     if (!rt.empty())
  29       rt += ",";
  30     rt += base::IntToString(*it);
  31   }
  32   return rt;
  33 }
  34
  35 void StringToIntSet(const std::string& str, std::set<int>* list) {
  36   DCHECK(list);
  37   std::vector<std::string> pieces;
  38   base::SplitString(str, ',', &pieces);
  39   for (size_t i = 0; i < pieces.size(); ++i) {
  40     int number = 0;
  41     bool succeed = base::StringToInt(pieces[i], &number);
  42     DCHECK(succeed);
  43     list->insert(number);
  44   }
  45 }
  46
  47 }  // namespace anonymous
  48
  49 void MergeFeatureSets(std::set<int>* dst, const std::set<int>& src) {
  50   DCHECK(dst);
  51   if (src.empty())
  52     return;
  53   dst->insert(src.begin(), src.end());
  54 }
  55
  56 void ApplyGpuDriverBugWorkarounds(base::CommandLine* command_line) {
  57   GPUInfo gpu_info;
  58   CollectBasicGraphicsInfo(&gpu_info);
  59
  60   ApplyGpuDriverBugWorkarounds(gpu_info, command_line);
  61 }
  62
  63 void ApplyGpuDriverBugWorkarounds(const GPUInfo& gpu_info,
  64                                   base::CommandLine* command_line) {
  65   scoped_ptr<GpuDriverBugList> list(GpuDriverBugList::Create());
  66   list->LoadList(kGpuDriverBugListJson,
  67                  GpuControlList::kCurrentOsOnly);
  68   std::set<int> workarounds = list->MakeDecision(
  69       GpuControlList::kOsAny, std::string(), gpu_info);
  70   GpuDriverBugList::AppendWorkaroundsFromCommandLine(
  71       &workarounds, *command_line);
  72   if (!workarounds.empty()) {
  73     command_line->AppendSwitchASCII(switches::kGpuDriverBugWorkarounds,
  74                                     IntSetToString(workarounds));
  75   }
  76 }
  77
  78 void StringToFeatureSet(
  79     const std::string& str, std::set<int>* feature_set) {
  80   StringToIntSet(str, feature_set);
  81 }
  82
  83 }  // namespace gpu