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
19 namespace gpu {
20
21 namespace {
22
23 // Combine the integers into a string, seperated by ','.
IntSetToString(const std::set<int> & list)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
StringToIntSet(const std::string & str,std::set<int> * list)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
MergeFeatureSets(std::set<int> * dst,const std::set<int> & src)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
ApplyGpuDriverBugWorkarounds(CommandLine * command_line)56 void ApplyGpuDriverBugWorkarounds(CommandLine* command_line) {
57 GPUInfo gpu_info;
58 CollectBasicGraphicsInfo(&gpu_info);
59
60 ApplyGpuDriverBugWorkarounds(gpu_info, command_line);
61 }
62
ApplyGpuDriverBugWorkarounds(const GPUInfo & gpu_info,CommandLine * command_line)63 void 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
StringToFeatureSet(const std::string & str,std::set<int> * feature_set)78 void StringToFeatureSet(
79 const std::string& str, std::set<int>* feature_set) {
80 StringToIntSet(str, feature_set);
81 }
82
83 } // namespace gpu
84