| // Copyright 2016 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 "remoting/host/host_attributes.h" |
| |
| #include <string> |
| #include <type_traits> |
| #include <vector> |
| |
| #include "base/atomicops.h" |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "base/strings/string_piece.h" |
| #include "base/strings/string_util.h" |
| #include "build/build_config.h" |
| |
| #if defined(OS_WIN) |
| #include "base/win/windows_version.h" |
| #include "media/base/win/mf_initializer.h" |
| #include "media/gpu/windows/media_foundation_video_encode_accelerator_win.h" |
| #include "remoting/host/win/evaluate_d3d.h" |
| #endif |
| |
| namespace remoting { |
| |
| namespace { |
| |
| static constexpr char kSeparator[] = ","; |
| |
| struct Attribute { |
| const char* name; |
| bool(* get_value_func)(); |
| }; |
| |
| inline constexpr bool IsDebug() { |
| #if defined(NDEBUG) |
| return false; |
| #else |
| return true; |
| #endif |
| } |
| |
| inline constexpr bool IsChromeBranded() { |
| #if defined(GOOGLE_CHROME_BUILD) |
| return true; |
| #elif defined(CHROMIUM_BUILD) |
| return false; |
| #else |
| #error Only Chrome and Chromium brands are supported. |
| #endif |
| } |
| |
| inline constexpr bool IsChromiumBranded() { |
| return !IsChromeBranded(); |
| } |
| |
| inline constexpr bool IsOfficialBuild() { |
| #if defined(OFFICIAL_BUILD) |
| return true; |
| #else |
| return false; |
| #endif |
| } |
| |
| inline constexpr bool IsNonOfficialBuild() { |
| return !IsOfficialBuild(); |
| } |
| |
| // By using arraysize() macro in base/macros.h, it's illegal to have empty |
| // arrays. |
| // |
| // error: no matching function for call to 'ArraySizeHelper' |
| // note: candidate template ignored: substitution failure |
| // [with T = const remoting::StaticAttribute, N = 0]: |
| // zero-length arrays are not permitted in C++. |
| // |
| // So we need IsDebug() function, and "Debug-Build" Attribute. |
| |
| static constexpr Attribute kAttributes[] = { |
| { "Debug-Build", &IsDebug }, |
| { "ChromeBrand", &IsChromeBranded }, |
| { "ChromiumBrand", &IsChromiumBranded }, |
| { "OfficialBuild", &IsOfficialBuild }, |
| { "NonOfficialBuild", &IsNonOfficialBuild }, |
| }; |
| |
| } // namespace |
| |
| static_assert(std::is_pod<Attribute>::value, "Attribute should be POD."); |
| |
| std::string GetHostAttributes() { |
| std::vector<std::string> result; |
| // By using ranged for-loop, MSVC throws error C3316: |
| // 'const remoting::StaticAttribute [0]': |
| // an array of unknown size cannot be used in a range-based for statement. |
| for (size_t i = 0; i < arraysize(kAttributes); i++) { |
| const auto& attribute = kAttributes[i]; |
| DCHECK_EQ(std::string(attribute.name).find(kSeparator), std::string::npos); |
| if (attribute.get_value_func()) { |
| result.push_back(attribute.name); |
| } |
| } |
| #if defined(OS_WIN) |
| { |
| GetD3DCapability(&result); |
| |
| auto version = base::win::GetVersion(); |
| if (version >= base::win::VERSION_WIN8) { |
| result.push_back("Win8+"); |
| } |
| if (version >= base::win::VERSION_WIN8_1) { |
| result.push_back("Win81+"); |
| } |
| if (version >= base::win::VERSION_WIN10) { |
| result.push_back("Win10+"); |
| } |
| } |
| |
| if (media::MediaFoundationVideoEncodeAccelerator |
| ::PreSandboxInitialization() && |
| media::InitializeMediaFoundation()) { |
| result.push_back("HWEncoder"); |
| } |
| #elif defined(OS_LINUX) |
| result.push_back("HWEncoder"); |
| #endif |
| |
| return base::JoinString(result, kSeparator); |
| } |
| |
| } // namespace remoting |