Clone of chromium aad1ce808763f59c7a3753e08f1500a104ecc6fd refs/remotes/origin/HEAD
diff --git a/gpu/config/gpu_util.cc b/gpu/config/gpu_util.cc
new file mode 100644
index 0000000..4605981
--- /dev/null
+++ b/gpu/config/gpu_util.cc
@@ -0,0 +1,83 @@
+// Copyright (c) 2012 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.
+
+#include "gpu/config/gpu_util.h"
+
+#include <vector>
+
+#include "base/command_line.h"
+#include "base/logging.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/string_split.h"
+#include "gpu/command_buffer/service/gpu_switches.h"
+#include "gpu/config/gpu_control_list_jsons.h"
+#include "gpu/config/gpu_driver_bug_list.h"
+#include "gpu/config/gpu_info_collector.h"
+#include "ui/gl/gl_switches.h"
+
+namespace gpu {
+
+namespace {
+
+// Combine the integers into a string, seperated by ','.
+std::string IntSetToString(const std::set<int>& list) {
+ std::string rt;
+ for (std::set<int>::const_iterator it = list.begin();
+ it != list.end(); ++it) {
+ if (!rt.empty())
+ rt += ",";
+ rt += base::IntToString(*it);
+ }
+ return rt;
+}
+
+void StringToIntSet(const std::string& str, std::set<int>* list) {
+ DCHECK(list);
+ std::vector<std::string> pieces;
+ base::SplitString(str, ',', &pieces);
+ for (size_t i = 0; i < pieces.size(); ++i) {
+ int number = 0;
+ bool succeed = base::StringToInt(pieces[i], &number);
+ DCHECK(succeed);
+ list->insert(number);
+ }
+}
+
+} // namespace anonymous
+
+void MergeFeatureSets(std::set<int>* dst, const std::set<int>& src) {
+ DCHECK(dst);
+ if (src.empty())
+ return;
+ dst->insert(src.begin(), src.end());
+}
+
+void ApplyGpuDriverBugWorkarounds(CommandLine* command_line) {
+ GPUInfo gpu_info;
+ CollectBasicGraphicsInfo(&gpu_info);
+
+ ApplyGpuDriverBugWorkarounds(gpu_info, command_line);
+}
+
+void ApplyGpuDriverBugWorkarounds(
+ const GPUInfo& gpu_info, CommandLine* command_line) {
+ scoped_ptr<GpuDriverBugList> list(GpuDriverBugList::Create());
+ list->LoadList(kGpuDriverBugListJson,
+ GpuControlList::kCurrentOsOnly);
+ std::set<int> workarounds = list->MakeDecision(
+ GpuControlList::kOsAny, std::string(), gpu_info);
+ GpuDriverBugList::AppendWorkaroundsFromCommandLine(
+ &workarounds, *command_line);
+ if (!workarounds.empty()) {
+ command_line->AppendSwitchASCII(switches::kGpuDriverBugWorkarounds,
+ IntSetToString(workarounds));
+ }
+}
+
+void StringToFeatureSet(
+ const std::string& str, std::set<int>* feature_set) {
+ StringToIntSet(str, feature_set);
+}
+
+} // namespace gpu
