| Flutter Impeller |

shader_archive_main.cc
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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 #include <filesystem>
6 #include <iostream>
7
8 #include "flutter/fml/command_line.h"
9 #include "impeller/shader_archive/shader_archive_writer.h"
10
11 namespace impeller {
12
13 bool Main(const fml::CommandLine& command_line) {
14 ShaderArchiveWriter writer;
15
16 std::string output;
17 if (!command_line.GetOptionValue("output", &output)) {
18 std::cerr << "Output path not specified." << std::endl;
19 return false;
20 }
21
22 for (const auto& input : command_line.GetOptionValues("input")) {
23 if (!writer.AddShaderAtPath(std::string{input})) {
24 std::cerr << "Could not add shader at path: " << input << std::endl;
25 return false;
26 }
27 }
28
29 auto archive = writer.CreateMapping();
30 if (!archive) {
31 std::cerr << "Could not create shader archive." << std::endl;
32 return false;
33 }
34
35 auto current_directory =
36 fml::OpenDirectory(std::filesystem::current_path().string().c_str(),
37 false, fml::FilePermission::kReadWrite);
38 auto output_path =
39 std::filesystem::absolute(std::filesystem::current_path() / output);
40 if (!fml::WriteAtomically(current_directory, output_path.string().c_str(),
41 *archive)) {
42 std::cerr << "Could not write shader archive to path " << output
43 << std::endl;
44 return false;
45 }
46
47 return true;
48 }
49
50 } // namespace impeller
51
52 int main(int argc, char const* argv[]) {
53 return impeller::Main(fml::CommandLineFromPlatformOrArgcArgv(argc, argv))
54 ? EXIT_SUCCESS
55 : EXIT_FAILURE;
56 }
impeller::ShaderArchiveWriter
Definition: shader_archive_writer.h:17
impeller::ShaderArchiveWriter::AddShaderAtPath
bool AddShaderAtPath(const std::string &path)
Definition: shader_archive_writer.cc:31
impeller::ShaderArchiveWriter::CreateMapping
std::shared_ptr< fml::Mapping > CreateMapping() const
Definition: shader_archive_writer.cc:98
impeller
Definition: allocation.cc:12
impeller::Main
bool Main(const fml::CommandLine &command_line)
Definition: shader_archive_main.cc:13
main
int main(int argc, char const *argv[])
Definition: shader_archive_main.cc:52
shader_archive_writer.h