Flutter Impeller
switches.h
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1 // Copyright 2013 The Flutter 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 #ifndef FLUTTER_IMPELLER_COMPILER_SWITCHES_H_
6 #define FLUTTER_IMPELLER_COMPILER_SWITCHES_H_
7 
8 #include <cstdint>
9 #include <iostream>
10 #include <memory>
11 
12 #include "flutter/fml/command_line.h"
13 #include "flutter/fml/unique_fd.h"
17 
18 namespace impeller {
19 namespace compiler {
20 
21 class Switches {
22  public:
23  std::shared_ptr<fml::UniqueFD> working_directory = nullptr;
24  std::vector<IncludeDir> include_directories = {};
25  std::string source_file_name = "";
27  /// The raw shader file output by the compiler. For --iplr and
28  /// --shader-bundle modes, this is used as the filename for the output
29  /// flatbuffer output.
30  std::string sl_file_name = "";
31  bool iplr = false;
32  std::string shader_bundle = "";
33  std::string spirv_file_name = "";
34  std::string reflection_json_name = "";
35  std::string reflection_header_name = "";
36  std::string reflection_cc_name = "";
37  std::string depfile_path = "";
38  std::vector<std::string> defines = {};
39  bool json_format = false;
41  uint32_t gles_language_version = 0;
42  std::string metal_version = "";
43  std::string entry_point = "";
44  bool use_half_textures = false;
46 
48 
50 
51  explicit Switches(const fml::CommandLine& command_line);
52 
53  bool AreValid(std::ostream& explain) const;
54 
55  /// A vector containing at least one valid platform.
56  std::vector<TargetPlatform> PlatformsToCompile() const;
58 
59  // Creates source options from these switches for the specified
60  // TargetPlatform. Uses SelectDefaultTargetPlatform if not specified.
62  std::optional<TargetPlatform> target_platform = std::nullopt) const;
63 
64  static void PrintHelp(std::ostream& stream);
65 
66  private:
67  // Use |SelectDefaultTargetPlatform|.
68  TargetPlatform target_platform_ = TargetPlatform::kUnknown;
69  // Use |PlatformsToCompile|.
70  std::vector<TargetPlatform> runtime_stages_;
71 };
72 
73 } // namespace compiler
74 } // namespace impeller
75 
76 #endif // FLUTTER_IMPELLER_COMPILER_SWITCHES_H_
std::vector< TargetPlatform > PlatformsToCompile() const
A vector containing at least one valid platform.
Definition: switches.cc:293
std::string reflection_json_name
Definition: switches.h:34
SourceLanguage source_language
Definition: switches.h:40
std::string reflection_header_name
Definition: switches.h:35
std::vector< std::string > defines
Definition: switches.h:38
std::shared_ptr< fml::UniqueFD > working_directory
Definition: switches.h:23
SourceOptions CreateSourceOptions(std::optional< TargetPlatform > target_platform=std::nullopt) const
Definition: switches.cc:308
std::string reflection_cc_name
Definition: switches.h:36
std::string spirv_file_name
Definition: switches.h:33
bool AreValid(std::ostream &explain) const
Definition: switches.cc:240
static void PrintHelp(std::ostream &stream)
Definition: switches.cc:42
std::string source_file_name
Definition: switches.h:25
std::vector< IncludeDir > include_directories
Definition: switches.h:24
TargetPlatform SelectDefaultTargetPlatform() const
Definition: switches.cc:300