gpu/config/gpu_control

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This source file includes following definitions.
ProcessVersionString
CompareNumericalNumberStrings
CompareLexicalNumberStrings
Contains
Contains
IsValid
IsLexical
Compare
StringToVersionStyle
Contains
IsValid
type
StringToOsType
Contains
IsValid
Contains
IsValid
StringToOp
value2_
Contains
IsValid
value2_
Contains
IsValid
Contains
GetEntryFromValue
multi_gpu_category_
SetId
SetDisabled
SetOsInfo
SetVendorId
AddDeviceId
SetMultiGpuStyle
SetMultiGpuCategory
SetDriverVendorInfo
SetDriverVersionInfo
SetDriverDateInfo
SetGLVendorInfo
SetGLRendererInfo
SetGLExtensionsInfo
SetGLResetNotificationStrategyInfo
SetCpuBrand
SetPerfGraphicsInfo
SetPerfGamingInfo
SetPerfOverallInfo
SetMachineModelInfo
SetGpuCountInfo
SetDirectRenderingInfo
SetFeatures
AddException
StringToMultiGpuStyle
StringToMultiGpuCategory
LogControlListMatch
Contains
NeedsMoreInfo
GetOsType
id
disabled
features
GetFeatureNames
StringToFeature
control_list_logging_enabled_
LoadList
LoadList
MakeDecision
GetDecisionEntries
GetReasons
num_entries
max_entry_id
version
GetOsType
Clear
StringToNumericOp
AddSupportedFeature
set_supports_feature_type_all
// Copyright (c) 2013 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_control_list.h"

#include "base/cpu.h"
#include "base/json/json_reader.h"
#include "base/logging.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/sys_info.h"
#include "gpu/config/gpu_info.h"
#include "gpu/config/gpu_util.h"

namespace gpu {
namespace {

// Break a version string into segments.  Return true if each segment is
// a valid number.
bool ProcessVersionString(const std::string& version_string,
                          char splitter,
                          std::vector<std::string>* version) {
  DCHECK(version);
  base::SplitString(version_string, splitter, version);
  if (version->size() == 0)
    return false;
  // If the splitter is '-', we assume it's a date with format "mm-dd-yyyy";
  // we split it into the order of "yyyy", "mm", "dd".
  if (splitter == '-') {
    std::string year = (*version)[version->size() - 1];
    for (int i = version->size() - 1; i > 0; --i) {
      (*version)[i] = (*version)[i - 1];
    }
    (*version)[0] = year;
  }
  for (size_t i = 0; i < version->size(); ++i) {
    unsigned num = 0;
    if (!base::StringToUint((*version)[i], &num))
      return false;
  }
  return true;
}

// Compare two number strings using numerical ordering.
// Return  0 if number = number_ref,
//         1 if number > number_ref,
//        -1 if number < number_ref.
int CompareNumericalNumberStrings(
    const std::string& number, const std::string& number_ref) {
  unsigned value1 = 0;
  unsigned value2 = 0;
  bool valid = base::StringToUint(number, &value1);
  DCHECK(valid);
  valid = base::StringToUint(number_ref, &value2);
  DCHECK(valid);
  if (value1 == value2)
    return 0;
  if (value1 > value2)
    return 1;
  return -1;
}

// Compare two number strings using lexical ordering.
// Return  0 if number = number_ref,
//         1 if number > number_ref,
//        -1 if number < number_ref.
// We only compare as many digits as number_ref contains.
// If number_ref is xxx, it's considered as xxx*
// For example: CompareLexicalNumberStrings("121", "12") returns 0,
//              CompareLexicalNumberStrings("12", "121") returns -1.
int CompareLexicalNumberStrings(
    const std::string& number, const std::string& number_ref) {
  for (size_t i = 0; i < number_ref.length(); ++i) {
    unsigned value1 = 0;
    if (i < number.length())
      value1 = number[i] - '0';
    unsigned value2 = number_ref[i] - '0';
    if (value1 > value2)
      return 1;
    if (value1 < value2)
      return -1;
  }
  return 0;
}

const char kMultiGpuStyleStringAMDSwitchable[] = "amd_switchable";
const char kMultiGpuStyleStringOptimus[] = "optimus";

const char kMultiGpuCategoryStringPrimary[] = "primary";
const char kMultiGpuCategoryStringSecondary[] = "secondary";
const char kMultiGpuCategoryStringActive[] = "active";
const char kMultiGpuCategoryStringAny[] = "any";

const char kVersionStyleStringNumerical[] = "numerical";
const char kVersionStyleStringLexical[] = "lexical";

const char kOp[] = "op";

}  // namespace anonymous

GpuControlList::VersionInfo::VersionInfo(
    const std::string& version_op,
    const std::string& version_style,
    const std::string& version_string,
    const std::string& version_string2)
    : version_style_(kVersionStyleNumerical) {
  op_ = StringToNumericOp(version_op);
  if (op_ == kUnknown || op_ == kAny)
    return;
  version_style_ = StringToVersionStyle(version_style);
  if (!ProcessVersionString(version_string, '.', &version_)) {
    op_ = kUnknown;
    return;
  }
  if (op_ == kBetween) {
    if (!ProcessVersionString(version_string2, '.', &version2_))
      op_ = kUnknown;
  }
}

GpuControlList::VersionInfo::~VersionInfo() {
}

bool GpuControlList::VersionInfo::Contains(
    const std::string& version_string) const {
  return Contains(version_string, '.');
}

bool GpuControlList::VersionInfo::Contains(
    const std::string& version_string, char splitter) const {
  if (op_ == kUnknown)
    return false;
  if (op_ == kAny)
    return true;
  std::vector<std::string> version;
  if (!ProcessVersionString(version_string, splitter, &version))
    return false;
  int relation = Compare(version, version_, version_style_);
  if (op_ == kEQ)
    return (relation == 0);
  else if (op_ == kLT)
    return (relation < 0);
  else if (op_ == kLE)
    return (relation <= 0);
  else if (op_ == kGT)
    return (relation > 0);
  else if (op_ == kGE)
    return (relation >= 0);
  // op_ == kBetween
  if (relation < 0)
    return false;
  return Compare(version, version2_, version_style_) <= 0;
}

bool GpuControlList::VersionInfo::IsValid() const {
  return (op_ != kUnknown && version_style_ != kVersionStyleUnknown);
}

bool GpuControlList::VersionInfo::IsLexical() const {
  return version_style_ == kVersionStyleLexical;
}

// static
int GpuControlList::VersionInfo::Compare(
    const std::vector<std::string>& version,
    const std::vector<std::string>& version_ref,
    VersionStyle version_style) {
  DCHECK(version.size() > 0 && version_ref.size() > 0);
  DCHECK(version_style != kVersionStyleUnknown);
  for (size_t i = 0; i < version_ref.size(); ++i) {
    if (i >= version.size())
      return 0;
    int ret = 0;
    // We assume both versions are checked by ProcessVersionString().
    if (i > 0 && version_style == kVersionStyleLexical)
      ret = CompareLexicalNumberStrings(version[i], version_ref[i]);
    else
      ret = CompareNumericalNumberStrings(version[i], version_ref[i]);
    if (ret != 0)
      return ret;
  }
  return 0;
}

// static
GpuControlList::VersionInfo::VersionStyle
GpuControlList::VersionInfo::StringToVersionStyle(
    const std::string& version_style) {
  if (version_style.empty() || version_style == kVersionStyleStringNumerical)
    return kVersionStyleNumerical;
  if (version_style == kVersionStyleStringLexical)
    return kVersionStyleLexical;
  return kVersionStyleUnknown;
}

GpuControlList::OsInfo::OsInfo(const std::string& os,
                             const std::string& version_op,
                             const std::string& version_string,
                             const std::string& version_string2) {
  type_ = StringToOsType(os);
  if (type_ != kOsUnknown) {
    version_info_.reset(new VersionInfo(
        version_op, std::string(), version_string, version_string2));
  }
}

GpuControlList::OsInfo::~OsInfo() {}

bool GpuControlList::OsInfo::Contains(OsType type,
                                    const std::string& version) const {
  if (!IsValid())
    return false;
  if (type_ != type && type_ != kOsAny)
    return false;
  return version_info_->Contains(version);
}

bool GpuControlList::OsInfo::IsValid() const {
  return type_ != kOsUnknown && version_info_->IsValid();
}

GpuControlList::OsType GpuControlList::OsInfo::type() const {
  return type_;
}

GpuControlList::OsType GpuControlList::OsInfo::StringToOsType(
    const std::string& os) {
  if (os == "win")
    return kOsWin;
  else if (os == "macosx")
    return kOsMacosx;
  else if (os == "android")
    return kOsAndroid;
  else if (os == "linux")
    return kOsLinux;
  else if (os == "chromeos")
    return kOsChromeOS;
  else if (os == "any")
    return kOsAny;
  return kOsUnknown;
}

GpuControlList::MachineModelInfo::MachineModelInfo(
    const std::string& name_op,
    const std::string& name_value,
    const std::string& version_op,
    const std::string& version_string,
    const std::string& version_string2) {
  name_info_.reset(new StringInfo(name_op, name_value));
  version_info_.reset(new VersionInfo(
      version_op, std::string(), version_string, version_string2));
}

GpuControlList::MachineModelInfo::~MachineModelInfo() {}

bool GpuControlList::MachineModelInfo::Contains(
    const std::string& name, const std::string& version) const {
  if (!IsValid())
    return false;
  if (!name_info_->Contains(name))
    return false;
  return version_info_->Contains(version);
}

bool GpuControlList::MachineModelInfo::IsValid() const {
  return name_info_->IsValid() && version_info_->IsValid();
}

GpuControlList::StringInfo::StringInfo(const std::string& string_op,
                                     const std::string& string_value) {
  op_ = StringToOp(string_op);
  value_ = StringToLowerASCII(string_value);
}

bool GpuControlList::StringInfo::Contains(const std::string& value) const {
  std::string my_value = StringToLowerASCII(value);
  switch (op_) {
    case kContains:
      return strstr(my_value.c_str(), value_.c_str()) != NULL;
    case kBeginWith:
      return StartsWithASCII(my_value, value_, false);
    case kEndWith:
      return EndsWith(my_value, value_, false);
    case kEQ:
      return value_ == my_value;
    default:
      return false;
  }
}

bool GpuControlList::StringInfo::IsValid() const {
  return op_ != kUnknown;
}

GpuControlList::StringInfo::Op GpuControlList::StringInfo::StringToOp(
    const std::string& string_op) {
  if (string_op == "=")
    return kEQ;
  else if (string_op == "contains")
    return kContains;
  else if (string_op == "beginwith")
    return kBeginWith;
  else if (string_op == "endwith")
    return kEndWith;
  return kUnknown;
}

GpuControlList::FloatInfo::FloatInfo(const std::string& float_op,
                                     const std::string& float_value,
                                     const std::string& float_value2)
    : op_(kUnknown),
      value_(0.f),
      value2_(0.f) {
  op_ = StringToNumericOp(float_op);
  if (op_ == kAny)
    return;
  double dvalue = 0;
  if (!base::StringToDouble(float_value, &dvalue)) {
    op_ = kUnknown;
    return;
  }
  value_ = static_cast<float>(dvalue);
  if (op_ == kBetween) {
    if (!base::StringToDouble(float_value2, &dvalue)) {
      op_ = kUnknown;
      return;
    }
    value2_ = static_cast<float>(dvalue);
  }
}

bool GpuControlList::FloatInfo::Contains(float value) const {
  if (op_ == kUnknown)
    return false;
  if (op_ == kAny)
    return true;
  if (op_ == kEQ)
    return (value == value_);
  if (op_ == kLT)
    return (value < value_);
  if (op_ == kLE)
    return (value <= value_);
  if (op_ == kGT)
    return (value > value_);
  if (op_ == kGE)
    return (value >= value_);
  DCHECK(op_ == kBetween);
  return ((value_ <= value && value <= value2_) ||
          (value2_ <= value && value <= value_));
}

bool GpuControlList::FloatInfo::IsValid() const {
  return op_ != kUnknown;
}

GpuControlList::IntInfo::IntInfo(const std::string& int_op,
                                 const std::string& int_value,
                                 const std::string& int_value2)
    : op_(kUnknown),
      value_(0),
      value2_(0) {
  op_ = StringToNumericOp(int_op);
  if (op_ == kAny)
    return;
  if (!base::StringToInt(int_value, &value_)) {
    op_ = kUnknown;
    return;
  }
  if (op_ == kBetween &&
      !base::StringToInt(int_value2, &value2_))
    op_ = kUnknown;
}

bool GpuControlList::IntInfo::Contains(int value) const {
  if (op_ == kUnknown)
    return false;
  if (op_ == kAny)
    return true;
  if (op_ == kEQ)
    return (value == value_);
  if (op_ == kLT)
    return (value < value_);
  if (op_ == kLE)
    return (value <= value_);
  if (op_ == kGT)
    return (value > value_);
  if (op_ == kGE)
    return (value >= value_);
  DCHECK(op_ == kBetween);
  return ((value_ <= value && value <= value2_) ||
          (value2_ <= value && value <= value_));
}

bool GpuControlList::IntInfo::IsValid() const {
  return op_ != kUnknown;
}

GpuControlList::BoolInfo::BoolInfo(bool value) : value_(value) {}

bool GpuControlList::BoolInfo::Contains(bool value) const {
  return value_ == value;
}

// static
GpuControlList::ScopedGpuControlListEntry
GpuControlList::GpuControlListEntry::GetEntryFromValue(
    const base::DictionaryValue* value, bool top_level,
    const FeatureMap& feature_map,
    bool supports_feature_type_all) {
  DCHECK(value);
  ScopedGpuControlListEntry entry(new GpuControlListEntry());

  size_t dictionary_entry_count = 0;

  if (top_level) {
    uint32 id;
    if (!value->GetInteger("id", reinterpret_cast<int*>(&id)) ||
        !entry->SetId(id)) {
      LOG(WARNING) << "Malformed id entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;

    bool disabled;
    if (value->GetBoolean("disabled", &disabled)) {
      entry->SetDisabled(disabled);
      dictionary_entry_count++;
    }
  }

  std::string description;
  if (value->GetString("description", &description)) {
    entry->description_ = description;
    dictionary_entry_count++;
  } else {
    entry->description_ = "The GPU is unavailable for an unexplained reason.";
  }

  const base::ListValue* cr_bugs;
  if (value->GetList("cr_bugs", &cr_bugs)) {
    for (size_t i = 0; i < cr_bugs->GetSize(); ++i) {
      int bug_id;
      if (cr_bugs->GetInteger(i, &bug_id)) {
        entry->cr_bugs_.push_back(bug_id);
      } else {
        LOG(WARNING) << "Malformed cr_bugs entry " << entry->id();
        return NULL;
      }
    }
    dictionary_entry_count++;
  }

  const base::ListValue* webkit_bugs;
  if (value->GetList("webkit_bugs", &webkit_bugs)) {
    for (size_t i = 0; i < webkit_bugs->GetSize(); ++i) {
      int bug_id;
      if (webkit_bugs->GetInteger(i, &bug_id)) {
        entry->webkit_bugs_.push_back(bug_id);
      } else {
        LOG(WARNING) << "Malformed webkit_bugs entry " << entry->id();
        return NULL;
      }
    }
    dictionary_entry_count++;
  }

  const base::DictionaryValue* os_value = NULL;
  if (value->GetDictionary("os", &os_value)) {
    std::string os_type;
    std::string os_version_op = "any";
    std::string os_version_string;
    std::string os_version_string2;
    os_value->GetString("type", &os_type);
    const base::DictionaryValue* os_version_value = NULL;
    if (os_value->GetDictionary("version", &os_version_value)) {
      os_version_value->GetString(kOp, &os_version_op);
      os_version_value->GetString("value", &os_version_string);
      os_version_value->GetString("value2", &os_version_string2);
    }
    if (!entry->SetOsInfo(os_type, os_version_op, os_version_string,
                          os_version_string2)) {
      LOG(WARNING) << "Malformed os entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  std::string vendor_id;
  if (value->GetString("vendor_id", &vendor_id)) {
    if (!entry->SetVendorId(vendor_id)) {
      LOG(WARNING) << "Malformed vendor_id entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  const base::ListValue* device_id_list;
  if (value->GetList("device_id", &device_id_list)) {
    for (size_t i = 0; i < device_id_list->GetSize(); ++i) {
        std::string device_id;
      if (!device_id_list->GetString(i, &device_id) ||
          !entry->AddDeviceId(device_id)) {
        LOG(WARNING) << "Malformed device_id entry " << entry->id();
        return NULL;
      }
    }
    dictionary_entry_count++;
  }

  std::string multi_gpu_style;
  if (value->GetString("multi_gpu_style", &multi_gpu_style)) {
    if (!entry->SetMultiGpuStyle(multi_gpu_style)) {
      LOG(WARNING) << "Malformed multi_gpu_style entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  std::string multi_gpu_category;
  if (value->GetString("multi_gpu_category", &multi_gpu_category)) {
    if (!entry->SetMultiGpuCategory(multi_gpu_category)) {
      LOG(WARNING) << "Malformed multi_gpu_category entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  const base::DictionaryValue* driver_vendor_value = NULL;
  if (value->GetDictionary("driver_vendor", &driver_vendor_value)) {
    std::string vendor_op;
    std::string vendor_value;
    driver_vendor_value->GetString(kOp, &vendor_op);
    driver_vendor_value->GetString("value", &vendor_value);
    if (!entry->SetDriverVendorInfo(vendor_op, vendor_value)) {
      LOG(WARNING) << "Malformed driver_vendor entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  const base::DictionaryValue* driver_version_value = NULL;
  if (value->GetDictionary("driver_version", &driver_version_value)) {
    std::string driver_version_op = "any";
    std::string driver_version_style;
    std::string driver_version_string;
    std::string driver_version_string2;
    driver_version_value->GetString(kOp, &driver_version_op);
    driver_version_value->GetString("style", &driver_version_style);
    driver_version_value->GetString("value", &driver_version_string);
    driver_version_value->GetString("value2", &driver_version_string2);
    if (!entry->SetDriverVersionInfo(driver_version_op,
                                     driver_version_style,
                                     driver_version_string,
                                     driver_version_string2)) {
      LOG(WARNING) << "Malformed driver_version entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  const base::DictionaryValue* driver_date_value = NULL;
  if (value->GetDictionary("driver_date", &driver_date_value)) {
    std::string driver_date_op = "any";
    std::string driver_date_string;
    std::string driver_date_string2;
    driver_date_value->GetString(kOp, &driver_date_op);
    driver_date_value->GetString("value", &driver_date_string);
    driver_date_value->GetString("value2", &driver_date_string2);
    if (!entry->SetDriverDateInfo(driver_date_op, driver_date_string,
                                  driver_date_string2)) {
      LOG(WARNING) << "Malformed driver_date entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  const base::DictionaryValue* gl_vendor_value = NULL;
  if (value->GetDictionary("gl_vendor", &gl_vendor_value)) {
    std::string vendor_op;
    std::string vendor_value;
    gl_vendor_value->GetString(kOp, &vendor_op);
    gl_vendor_value->GetString("value", &vendor_value);
    if (!entry->SetGLVendorInfo(vendor_op, vendor_value)) {
      LOG(WARNING) << "Malformed gl_vendor entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  const base::DictionaryValue* gl_renderer_value = NULL;
  if (value->GetDictionary("gl_renderer", &gl_renderer_value)) {
    std::string renderer_op;
    std::string renderer_value;
    gl_renderer_value->GetString(kOp, &renderer_op);
    gl_renderer_value->GetString("value", &renderer_value);
    if (!entry->SetGLRendererInfo(renderer_op, renderer_value)) {
      LOG(WARNING) << "Malformed gl_renderer entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  const base::DictionaryValue* gl_extensions_value = NULL;
  if (value->GetDictionary("gl_extensions", &gl_extensions_value)) {
    std::string extensions_op;
    std::string extensions_value;
    gl_extensions_value->GetString(kOp, &extensions_op);
    gl_extensions_value->GetString("value", &extensions_value);
    if (!entry->SetGLExtensionsInfo(extensions_op, extensions_value)) {
      LOG(WARNING) << "Malformed gl_extensions entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  const base::DictionaryValue* gl_reset_notification_strategy_value = NULL;
  if (value->GetDictionary("gl_reset_notification_strategy",
                           &gl_reset_notification_strategy_value)) {
    std::string op;
    std::string int_value;
    std::string int_value2;
    gl_reset_notification_strategy_value->GetString(kOp, &op);
    gl_reset_notification_strategy_value->GetString("value", &int_value);
    gl_reset_notification_strategy_value->GetString("value2", &int_value2);
    if (!entry->SetGLResetNotificationStrategyInfo(
            op, int_value, int_value2)) {
      LOG(WARNING) << "Malformed gl_reset_notification_strategy entry "
                   << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  const base::DictionaryValue* cpu_brand_value = NULL;
  if (value->GetDictionary("cpu_info", &cpu_brand_value)) {
    std::string cpu_op;
    std::string cpu_value;
    cpu_brand_value->GetString(kOp, &cpu_op);
    cpu_brand_value->GetString("value", &cpu_value);
    if (!entry->SetCpuBrand(cpu_op, cpu_value)) {
      LOG(WARNING) << "Malformed cpu_brand entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  const base::DictionaryValue* perf_graphics_value = NULL;
  if (value->GetDictionary("perf_graphics", &perf_graphics_value)) {
    std::string op;
    std::string float_value;
    std::string float_value2;
    perf_graphics_value->GetString(kOp, &op);
    perf_graphics_value->GetString("value", &float_value);
    perf_graphics_value->GetString("value2", &float_value2);
    if (!entry->SetPerfGraphicsInfo(op, float_value, float_value2)) {
      LOG(WARNING) << "Malformed perf_graphics entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  const base::DictionaryValue* perf_gaming_value = NULL;
  if (value->GetDictionary("perf_gaming", &perf_gaming_value)) {
    std::string op;
    std::string float_value;
    std::string float_value2;
    perf_gaming_value->GetString(kOp, &op);
    perf_gaming_value->GetString("value", &float_value);
    perf_gaming_value->GetString("value2", &float_value2);
    if (!entry->SetPerfGamingInfo(op, float_value, float_value2)) {
      LOG(WARNING) << "Malformed perf_gaming entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  const base::DictionaryValue* perf_overall_value = NULL;
  if (value->GetDictionary("perf_overall", &perf_overall_value)) {
    std::string op;
    std::string float_value;
    std::string float_value2;
    perf_overall_value->GetString(kOp, &op);
    perf_overall_value->GetString("value", &float_value);
    perf_overall_value->GetString("value2", &float_value2);
    if (!entry->SetPerfOverallInfo(op, float_value, float_value2)) {
      LOG(WARNING) << "Malformed perf_overall entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  const base::DictionaryValue* machine_model_value = NULL;
  if (value->GetDictionary("machine_model", &machine_model_value)) {
    std::string name_op;
    std::string name_value;
    const base::DictionaryValue* name = NULL;
    if (machine_model_value->GetDictionary("name", &name)) {
      name->GetString(kOp, &name_op);
      name->GetString("value", &name_value);
    }

    std::string version_op = "any";
    std::string version_string;
    std::string version_string2;
    const base::DictionaryValue* version_value = NULL;
    if (machine_model_value->GetDictionary("version", &version_value)) {
      version_value->GetString(kOp, &version_op);
      version_value->GetString("value", &version_string);
      version_value->GetString("value2", &version_string2);
    }
    if (!entry->SetMachineModelInfo(
            name_op, name_value, version_op, version_string, version_string2)) {
      LOG(WARNING) << "Malformed machine_model entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  const base::DictionaryValue* gpu_count_value = NULL;
  if (value->GetDictionary("gpu_count", &gpu_count_value)) {
    std::string op;
    std::string int_value;
    std::string int_value2;
    gpu_count_value->GetString(kOp, &op);
    gpu_count_value->GetString("value", &int_value);
    gpu_count_value->GetString("value2", &int_value2);
    if (!entry->SetGpuCountInfo(op, int_value, int_value2)) {
      LOG(WARNING) << "Malformed gpu_count entry " << entry->id();
      return NULL;
    }
    dictionary_entry_count++;
  }

  bool direct_rendering;
  if (value->GetBoolean("direct_rendering", &direct_rendering)) {
    entry->SetDirectRenderingInfo(direct_rendering);
    dictionary_entry_count++;
  }

  if (top_level) {
    const base::ListValue* feature_value = NULL;
    if (value->GetList("features", &feature_value)) {
      std::vector<std::string> feature_list;
      for (size_t i = 0; i < feature_value->GetSize(); ++i) {
        std::string feature;
        if (feature_value->GetString(i, &feature)) {
          feature_list.push_back(feature);
        } else {
          LOG(WARNING) << "Malformed feature entry " << entry->id();
          return NULL;
        }
      }
      if (!entry->SetFeatures(
              feature_list, feature_map, supports_feature_type_all)) {
        LOG(WARNING) << "Malformed feature entry " << entry->id();
        return NULL;
      }
      dictionary_entry_count++;
    }
  }

  if (top_level) {
    const base::ListValue* exception_list_value = NULL;
    if (value->GetList("exceptions", &exception_list_value)) {
      for (size_t i = 0; i < exception_list_value->GetSize(); ++i) {
        const base::DictionaryValue* exception_value = NULL;
        if (!exception_list_value->GetDictionary(i, &exception_value)) {
          LOG(WARNING) << "Malformed exceptions entry " << entry->id();
          return NULL;
        }
        ScopedGpuControlListEntry exception(GetEntryFromValue(
            exception_value, false, feature_map, supports_feature_type_all));
        if (exception.get() == NULL) {
          LOG(WARNING) << "Malformed exceptions entry " << entry->id();
          return NULL;
        }
        // Exception should inherit vendor_id from parent, otherwise if only
        // device_ids are specified in Exception, the info will be incomplete.
        if (exception->vendor_id_ == 0 && entry->vendor_id_ != 0)
          exception->vendor_id_ = entry->vendor_id_;
        entry->AddException(exception);
      }
      dictionary_entry_count++;
    }
  }

  if (value->size() != dictionary_entry_count) {
    LOG(WARNING) << "Entry with unknown fields " << entry->id();
    return NULL;
  }
  return entry;
}

GpuControlList::GpuControlListEntry::GpuControlListEntry()
    : id_(0),
      disabled_(false),
      vendor_id_(0),
      multi_gpu_style_(kMultiGpuStyleNone),
      multi_gpu_category_(kMultiGpuCategoryPrimary) {
}

GpuControlList::GpuControlListEntry::~GpuControlListEntry() { }

bool GpuControlList::GpuControlListEntry::SetId(uint32 id) {
  if (id != 0) {
    id_ = id;
    return true;
  }
  return false;
}

void GpuControlList::GpuControlListEntry::SetDisabled(bool disabled) {
  disabled_ = disabled;
}

bool GpuControlList::GpuControlListEntry::SetOsInfo(
    const std::string& os,
    const std::string& version_op,
    const std::string& version_string,
    const std::string& version_string2) {
  os_info_.reset(new OsInfo(os, version_op, version_string, version_string2));
  return os_info_->IsValid();
}

bool GpuControlList::GpuControlListEntry::SetVendorId(
    const std::string& vendor_id_string) {
  vendor_id_ = 0;
  return base::HexStringToUInt(vendor_id_string, &vendor_id_) &&
      vendor_id_ != 0;
}

bool GpuControlList::GpuControlListEntry::AddDeviceId(
    const std::string& device_id_string) {
  uint32 device_id = 0;
  if (base::HexStringToUInt(device_id_string, &device_id) && device_id != 0) {
    device_id_list_.push_back(device_id);
    return true;
  }
  return false;
}

bool GpuControlList::GpuControlListEntry::SetMultiGpuStyle(
    const std::string& multi_gpu_style_string) {
  MultiGpuStyle style = StringToMultiGpuStyle(multi_gpu_style_string);
  if (style == kMultiGpuStyleNone)
    return false;
  multi_gpu_style_ = style;
  return true;
}

bool GpuControlList::GpuControlListEntry::SetMultiGpuCategory(
    const std::string& multi_gpu_category_string) {
  MultiGpuCategory category =
      StringToMultiGpuCategory(multi_gpu_category_string);
  if (category == kMultiGpuCategoryNone)
    return false;
  multi_gpu_category_ = category;
  return true;
}

bool GpuControlList::GpuControlListEntry::SetDriverVendorInfo(
    const std::string& vendor_op,
    const std::string& vendor_value) {
  driver_vendor_info_.reset(new StringInfo(vendor_op, vendor_value));
  return driver_vendor_info_->IsValid();
}

bool GpuControlList::GpuControlListEntry::SetDriverVersionInfo(
    const std::string& version_op,
    const std::string& version_style,
    const std::string& version_string,
    const std::string& version_string2) {
  driver_version_info_.reset(new VersionInfo(
      version_op, version_style, version_string, version_string2));
  return driver_version_info_->IsValid();
}

bool GpuControlList::GpuControlListEntry::SetDriverDateInfo(
    const std::string& date_op,
    const std::string& date_string,
    const std::string& date_string2) {
  driver_date_info_.reset(
      new VersionInfo(date_op, std::string(), date_string, date_string2));
  return driver_date_info_->IsValid();
}

bool GpuControlList::GpuControlListEntry::SetGLVendorInfo(
    const std::string& vendor_op,
    const std::string& vendor_value) {
  gl_vendor_info_.reset(new StringInfo(vendor_op, vendor_value));
  return gl_vendor_info_->IsValid();
}

bool GpuControlList::GpuControlListEntry::SetGLRendererInfo(
    const std::string& renderer_op,
    const std::string& renderer_value) {
  gl_renderer_info_.reset(new StringInfo(renderer_op, renderer_value));
  return gl_renderer_info_->IsValid();
}

bool GpuControlList::GpuControlListEntry::SetGLExtensionsInfo(
    const std::string& extensions_op,
    const std::string& extensions_value) {
  gl_extensions_info_.reset(new StringInfo(extensions_op, extensions_value));
  return gl_extensions_info_->IsValid();
}

bool GpuControlList::GpuControlListEntry::SetGLResetNotificationStrategyInfo(
    const std::string& op,
    const std::string& int_string,
    const std::string& int_string2) {
  gl_reset_notification_strategy_info_.reset(
      new IntInfo(op, int_string, int_string2));
  return gl_reset_notification_strategy_info_->IsValid();
}

bool GpuControlList::GpuControlListEntry::SetCpuBrand(
    const std::string& cpu_op,
    const std::string& cpu_value) {
  cpu_brand_.reset(new StringInfo(cpu_op, cpu_value));
  return cpu_brand_->IsValid();
}

bool GpuControlList::GpuControlListEntry::SetPerfGraphicsInfo(
    const std::string& op,
    const std::string& float_string,
    const std::string& float_string2) {
  perf_graphics_info_.reset(new FloatInfo(op, float_string, float_string2));
  return perf_graphics_info_->IsValid();
}

bool GpuControlList::GpuControlListEntry::SetPerfGamingInfo(
    const std::string& op,
    const std::string& float_string,
    const std::string& float_string2) {
  perf_gaming_info_.reset(new FloatInfo(op, float_string, float_string2));
  return perf_gaming_info_->IsValid();
}

bool GpuControlList::GpuControlListEntry::SetPerfOverallInfo(
    const std::string& op,
    const std::string& float_string,
    const std::string& float_string2) {
  perf_overall_info_.reset(new FloatInfo(op, float_string, float_string2));
  return perf_overall_info_->IsValid();
}

bool GpuControlList::GpuControlListEntry::SetMachineModelInfo(
    const std::string& name_op,
    const std::string& name_value,
    const std::string& version_op,
    const std::string& version_string,
    const std::string& version_string2) {
  machine_model_info_.reset(new MachineModelInfo(
      name_op, name_value, version_op, version_string, version_string2));
  return machine_model_info_->IsValid();
}

bool GpuControlList::GpuControlListEntry::SetGpuCountInfo(
    const std::string& op,
    const std::string& int_string,
    const std::string& int_string2) {
  gpu_count_info_.reset(new IntInfo(op, int_string, int_string2));
  return gpu_count_info_->IsValid();
}

void GpuControlList::GpuControlListEntry::SetDirectRenderingInfo(bool value) {
  direct_rendering_info_.reset(new BoolInfo(value));
}

bool GpuControlList::GpuControlListEntry::SetFeatures(
    const std::vector<std::string>& feature_strings,
    const FeatureMap& feature_map,
    bool supports_feature_type_all) {
  size_t size = feature_strings.size();
  if (size == 0)
    return false;
  features_.clear();
  for (size_t i = 0; i < size; ++i) {
    int feature = 0;
    if (supports_feature_type_all && feature_strings[i] == "all") {
      for (FeatureMap::const_iterator iter = feature_map.begin();
           iter != feature_map.end(); ++iter)
        features_.insert(iter->second);
      continue;
    }
    if (!StringToFeature(feature_strings[i], &feature, feature_map)) {
      features_.clear();
      return false;
    }
    features_.insert(feature);
  }
  return true;
}

void GpuControlList::GpuControlListEntry::AddException(
    ScopedGpuControlListEntry exception) {
  exceptions_.push_back(exception);
}

// static
GpuControlList::GpuControlListEntry::MultiGpuStyle
GpuControlList::GpuControlListEntry::StringToMultiGpuStyle(
    const std::string& style) {
  if (style == kMultiGpuStyleStringOptimus)
    return kMultiGpuStyleOptimus;
  if (style == kMultiGpuStyleStringAMDSwitchable)
    return kMultiGpuStyleAMDSwitchable;
  return kMultiGpuStyleNone;
}

// static
GpuControlList::GpuControlListEntry::MultiGpuCategory
GpuControlList::GpuControlListEntry::StringToMultiGpuCategory(
    const std::string& category) {
  if (category == kMultiGpuCategoryStringPrimary)
    return kMultiGpuCategoryPrimary;
  if (category == kMultiGpuCategoryStringSecondary)
    return kMultiGpuCategorySecondary;
  if (category == kMultiGpuCategoryStringActive)
    return kMultiGpuCategoryActive;
  if (category == kMultiGpuCategoryStringAny)
    return kMultiGpuCategoryAny;
  return kMultiGpuCategoryNone;
}

void GpuControlList::GpuControlListEntry::LogControlListMatch(
    const std::string& control_list_logging_name) const {
  static const char kControlListMatchMessage[] =
      "Control list match for rule #%u in %s.";
  VLOG(1) << base::StringPrintf(kControlListMatchMessage, id_,
                                control_list_logging_name.c_str());
}

bool GpuControlList::GpuControlListEntry::Contains(
    OsType os_type, const std::string& os_version,
    const GPUInfo& gpu_info) const {
  DCHECK(os_type != kOsAny);
  if (os_info_.get() != NULL && !os_info_->Contains(os_type, os_version))
    return false;
  if (vendor_id_ != 0) {
    std::vector<GPUInfo::GPUDevice> candidates;
    switch (multi_gpu_category_) {
      case kMultiGpuCategoryPrimary:
        candidates.push_back(gpu_info.gpu);
        break;
      case kMultiGpuCategorySecondary:
        candidates = gpu_info.secondary_gpus;
        break;
      case kMultiGpuCategoryAny:
        candidates = gpu_info.secondary_gpus;
        candidates.push_back(gpu_info.gpu);
        break;
      case kMultiGpuCategoryActive:
        if (gpu_info.gpu.active)
          candidates.push_back(gpu_info.gpu);
        for (size_t ii = 0; ii < gpu_info.secondary_gpus.size(); ++ii) {
          if (gpu_info.secondary_gpus[ii].active)
            candidates.push_back(gpu_info.secondary_gpus[ii]);
        }
      default:
        break;
    }

    GPUInfo::GPUDevice gpu;
    gpu.vendor_id = vendor_id_;
    bool found = false;
    if (device_id_list_.empty()) {
      for (size_t ii = 0; ii < candidates.size(); ++ii) {
        if (gpu.vendor_id == candidates[ii].vendor_id) {
          found = true;
          break;
        }
      }
    } else {
      for (size_t ii = 0; ii < device_id_list_.size(); ++ii) {
        gpu.device_id = device_id_list_[ii];
        for (size_t jj = 0; jj < candidates.size(); ++jj) {
          if (gpu.vendor_id == candidates[jj].vendor_id &&
              gpu.device_id == candidates[jj].device_id) {
            found = true;
            break;
          }
        }
      }
    }
    if (!found)
      return false;
  }
  switch (multi_gpu_style_) {
    case kMultiGpuStyleOptimus:
      if (!gpu_info.optimus)
        return false;
      break;
    case kMultiGpuStyleAMDSwitchable:
      if (!gpu_info.amd_switchable)
        return false;
      break;
    case kMultiGpuStyleNone:
      break;
  }
  if (driver_vendor_info_.get() != NULL && !gpu_info.driver_vendor.empty() &&
      !driver_vendor_info_->Contains(gpu_info.driver_vendor))
    return false;
  if (driver_version_info_.get() != NULL && !gpu_info.driver_version.empty()) {
    if (!driver_version_info_->Contains(gpu_info.driver_version))
      return false;
  }
  if (driver_date_info_.get() != NULL && !gpu_info.driver_date.empty()) {
    if (!driver_date_info_->Contains(gpu_info.driver_date, '-'))
      return false;
  }
  if (gl_vendor_info_.get() != NULL && !gpu_info.gl_vendor.empty() &&
      !gl_vendor_info_->Contains(gpu_info.gl_vendor))
    return false;
  if (gl_renderer_info_.get() != NULL && !gpu_info.gl_renderer.empty() &&
      !gl_renderer_info_->Contains(gpu_info.gl_renderer))
    return false;
  if (gl_extensions_info_.get() != NULL && !gpu_info.gl_extensions.empty() &&
      !gl_extensions_info_->Contains(gpu_info.gl_extensions))
    return false;
  if (gl_reset_notification_strategy_info_.get() != NULL &&
      !gl_reset_notification_strategy_info_->Contains(
          gpu_info.gl_reset_notification_strategy))
    return false;
  if (perf_graphics_info_.get() != NULL &&
      (gpu_info.performance_stats.graphics == 0.0 ||
       !perf_graphics_info_->Contains(gpu_info.performance_stats.graphics)))
    return false;
  if (perf_gaming_info_.get() != NULL &&
      (gpu_info.performance_stats.gaming == 0.0 ||
       !perf_gaming_info_->Contains(gpu_info.performance_stats.gaming)))
    return false;
  if (perf_overall_info_.get() != NULL &&
      (gpu_info.performance_stats.overall == 0.0 ||
       !perf_overall_info_->Contains(gpu_info.performance_stats.overall)))
    return false;
  if (machine_model_info_.get() != NULL) {
    std::vector<std::string> name_version;
    base::SplitString(gpu_info.machine_model, ' ', &name_version);
    if (name_version.size() == 2 &&
        !machine_model_info_->Contains(name_version[0], name_version[1]))
      return false;
  }
  if (gpu_count_info_.get() != NULL &&
      !gpu_count_info_->Contains(gpu_info.secondary_gpus.size() + 1))
    return false;
  if (direct_rendering_info_.get() != NULL &&
      !direct_rendering_info_->Contains(gpu_info.direct_rendering))
    return false;
  if (cpu_brand_.get() != NULL) {
    base::CPU cpu_info;
    if (!cpu_brand_->Contains(cpu_info.cpu_brand()))
      return false;
  }

  for (size_t i = 0; i < exceptions_.size(); ++i) {
    if (exceptions_[i]->Contains(os_type, os_version, gpu_info) &&
        !exceptions_[i]->NeedsMoreInfo(gpu_info))
      return false;
  }
  return true;
}

bool GpuControlList::GpuControlListEntry::NeedsMoreInfo(
    const GPUInfo& gpu_info) const {
  // We only check for missing info that might be collected with a gl context.
  // If certain info is missing due to some error, say, we fail to collect
  // vendor_id/device_id, then even if we launch GPU process and create a gl
  // context, we won't gather such missing info, so we still return false.
  if (driver_vendor_info_.get() && gpu_info.driver_vendor.empty())
    return true;
  if (driver_version_info_.get() && gpu_info.driver_version.empty())
    return true;
  if (gl_vendor_info_.get() && gpu_info.gl_vendor.empty())
    return true;
  if (gl_renderer_info_.get() && gpu_info.gl_renderer.empty())
    return true;
  for (size_t i = 0; i < exceptions_.size(); ++i) {
    if (exceptions_[i]->NeedsMoreInfo(gpu_info))
      return true;
  }
  return false;
}

GpuControlList::OsType GpuControlList::GpuControlListEntry::GetOsType() const {
  if (os_info_.get() == NULL)
    return kOsAny;
  return os_info_->type();
}

uint32 GpuControlList::GpuControlListEntry::id() const {
  return id_;
}

bool GpuControlList::GpuControlListEntry::disabled() const {
  return disabled_;
}

const std::set<int>& GpuControlList::GpuControlListEntry::features() const {
  return features_;
}

void GpuControlList::GpuControlListEntry::GetFeatureNames(
    base::ListValue* feature_names,
    const FeatureMap& feature_map,
    bool supports_feature_type_all) const {
  DCHECK(feature_names);
  if (supports_feature_type_all && features_.size() == feature_map.size()) {
    feature_names->AppendString("all");
    return;
  }
  for (FeatureMap::const_iterator iter = feature_map.begin();
       iter != feature_map.end(); ++iter) {
    if (features_.count(iter->second) > 0)
      feature_names->AppendString(iter->first);
  }
}

// static
bool GpuControlList::GpuControlListEntry::StringToFeature(
    const std::string& feature_name, int* feature_id,
    const FeatureMap& feature_map) {
  FeatureMap::const_iterator iter = feature_map.find(feature_name);
  if (iter != feature_map.end()) {
    *feature_id = iter->second;
    return true;
  }
  return false;
}

GpuControlList::GpuControlList()
    : max_entry_id_(0),
      needs_more_info_(false),
      supports_feature_type_all_(false),
      control_list_logging_enabled_(false) {
}

GpuControlList::~GpuControlList() {
  Clear();
}

bool GpuControlList::LoadList(
    const std::string& json_context,
    GpuControlList::OsFilter os_filter) {
  scoped_ptr<base::Value> root;
  root.reset(base::JSONReader::Read(json_context));
  if (root.get() == NULL || !root->IsType(base::Value::TYPE_DICTIONARY))
    return false;

  base::DictionaryValue* root_dictionary =
      static_cast<base::DictionaryValue*>(root.get());
  DCHECK(root_dictionary);
  return LoadList(*root_dictionary, os_filter);
}

bool GpuControlList::LoadList(const base::DictionaryValue& parsed_json,
                              GpuControlList::OsFilter os_filter) {
  std::vector<ScopedGpuControlListEntry> entries;

  parsed_json.GetString("version", &version_);
  std::vector<std::string> pieces;
  if (!ProcessVersionString(version_, '.', &pieces))
    return false;

  const base::ListValue* list = NULL;
  if (!parsed_json.GetList("entries", &list))
    return false;

  uint32 max_entry_id = 0;
  for (size_t i = 0; i < list->GetSize(); ++i) {
    const base::DictionaryValue* list_item = NULL;
    bool valid = list->GetDictionary(i, &list_item);
    if (!valid || list_item == NULL)
      return false;
    ScopedGpuControlListEntry entry(GpuControlListEntry::GetEntryFromValue(
        list_item, true, feature_map_, supports_feature_type_all_));
    if (entry.get() == NULL)
      return false;
    if (entry->id() > max_entry_id)
      max_entry_id = entry->id();
    entries.push_back(entry);
  }

  Clear();
  OsType my_os = GetOsType();
  for (size_t i = 0; i < entries.size(); ++i) {
    OsType entry_os = entries[i]->GetOsType();
    if (os_filter == GpuControlList::kAllOs ||
        entry_os == kOsAny || entry_os == my_os)
      entries_.push_back(entries[i]);
  }
  max_entry_id_ = max_entry_id;
  return true;
}

std::set<int> GpuControlList::MakeDecision(
    GpuControlList::OsType os,
    std::string os_version,
    const GPUInfo& gpu_info) {
  active_entries_.clear();
  std::set<int> features;

  needs_more_info_ = false;
  std::set<int> possible_features;

  if (os == kOsAny)
    os = GetOsType();
  if (os_version.empty()) {
    os_version = base::SysInfo::OperatingSystemVersion();
    size_t pos = os_version.find_first_not_of("0123456789.");
    if (pos != std::string::npos)
      os_version = os_version.substr(0, pos);
  }
  std::vector<std::string> pieces;
  if (!ProcessVersionString(os_version, '.', &pieces))
    os_version = "0";

  for (size_t i = 0; i < entries_.size(); ++i) {
    if (entries_[i]->Contains(os, os_version, gpu_info)) {
      if (!entries_[i]->disabled()) {
        if (control_list_logging_enabled_)
          entries_[i]->LogControlListMatch(control_list_logging_name_);
        MergeFeatureSets(&possible_features, entries_[i]->features());
        if (!entries_[i]->NeedsMoreInfo(gpu_info))
          MergeFeatureSets(&features, entries_[i]->features());
      }
      active_entries_.push_back(entries_[i]);
    }
  }

  if (possible_features.size() > features.size())
    needs_more_info_ = true;

  return features;
}

void GpuControlList::GetDecisionEntries(
    std::vector<uint32>* entry_ids, bool disabled) const {
  DCHECK(entry_ids);
  entry_ids->clear();
  for (size_t i = 0; i < active_entries_.size(); ++i) {
    if (disabled == active_entries_[i]->disabled())
      entry_ids->push_back(active_entries_[i]->id());
  }
}

void GpuControlList::GetReasons(base::ListValue* problem_list,
                                const std::string& tag) const {
  DCHECK(problem_list);
  for (size_t i = 0; i < active_entries_.size(); ++i) {
    GpuControlListEntry* entry = active_entries_[i].get();
    if (entry->disabled())
      continue;
    base::DictionaryValue* problem = new base::DictionaryValue();

    problem->SetString("description", entry->description());

    base::ListValue* cr_bugs = new base::ListValue();
    for (size_t j = 0; j < entry->cr_bugs().size(); ++j)
      cr_bugs->Append(new base::FundamentalValue(entry->cr_bugs()[j]));
    problem->Set("crBugs", cr_bugs);

    base::ListValue* webkit_bugs = new base::ListValue();
    for (size_t j = 0; j < entry->webkit_bugs().size(); ++j) {
      webkit_bugs->Append(new base::FundamentalValue(entry->webkit_bugs()[j]));
    }
    problem->Set("webkitBugs", webkit_bugs);

    base::ListValue* features = new base::ListValue();
    entry->GetFeatureNames(features, feature_map_, supports_feature_type_all_);
    problem->Set("affectedGpuSettings", features);

    DCHECK(tag == "workarounds" || tag == "disabledFeatures");
    problem->SetString("tag", tag);

    problem_list->Append(problem);
  }
}

size_t GpuControlList::num_entries() const {
  return entries_.size();
}

uint32 GpuControlList::max_entry_id() const {
  return max_entry_id_;
}

std::string GpuControlList::version() const {
  return version_;
}

GpuControlList::OsType GpuControlList::GetOsType() {
#if defined(OS_CHROMEOS)
  return kOsChromeOS;
#elif defined(OS_WIN)
  return kOsWin;
#elif defined(OS_ANDROID)
  return kOsAndroid;
#elif defined(OS_LINUX) || defined(OS_OPENBSD)
  return kOsLinux;
#elif defined(OS_MACOSX)
  return kOsMacosx;
#else
  return kOsUnknown;
#endif
}

void GpuControlList::Clear() {
  entries_.clear();
  active_entries_.clear();
  max_entry_id_ = 0;
}

// static
GpuControlList::NumericOp GpuControlList::StringToNumericOp(
    const std::string& op) {
  if (op == "=")
    return kEQ;
  if (op == "<")
    return kLT;
  if (op == "<=")
    return kLE;
  if (op == ">")
    return kGT;
  if (op == ">=")
    return kGE;
  if (op == "any")
    return kAny;
  if (op == "between")
    return kBetween;
  return kUnknown;
}

void GpuControlList::AddSupportedFeature(
    const std::string& feature_name, int feature_id) {
  feature_map_[feature_name] = feature_id;
}

void GpuControlList::set_supports_feature_type_all(bool supported) {
  supports_feature_type_all_ = supported;
}

}  // namespace gpu
/* [<][>][^][v][top][bottom][index][help] */
root/gpu/config/gpu_control_list.cc

DEFINITIONS
