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/command_buffer/service/gpu_switches.h"
14#include "gpu/config/gpu_control_list_jsons.h"
15#include "gpu/config/gpu_driver_bug_list.h"
16#include "gpu/config/gpu_info_collector.h"
17#include "ui/gl/gl_switches.h"
18
19namespace gpu {
20
21namespace {
22
23// Combine the integers into a string, seperated by ','.
24std::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
35void 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
49void 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
56void ApplyGpuDriverBugWorkarounds(CommandLine* command_line) {
57  GPUInfo gpu_info;
58  CollectBasicGraphicsInfo(&gpu_info);
59
60  ApplyGpuDriverBugWorkarounds(gpu_info, command_line);
61}
62
63void ApplyGpuDriverBugWorkarounds(
64    const GPUInfo& gpu_info, 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
78void StringToFeatureSet(
79    const std::string& str, std::set<int>* feature_set) {
80  StringToIntSet(str, feature_set);
81}
82
83}  // namespace gpu
84