shader_archive_writer.h

Go to the documentation of this file.

// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef FLUTTER_IMPELLER_SHADER_ARCHIVE_SHADER_ARCHIVE_WRITER_H_
#define FLUTTER_IMPELLER_SHADER_ARCHIVE_SHADER_ARCHIVE_WRITER_H_
 
#include <memory>
#include <string>
#include <vector>
 
#include "flutter/fml/mapping.h"
#include "impeller/shader_archive/shader_archive_types.h"
 
namespace impeller {
 
class ShaderArchiveWriter {
 public:
  ShaderArchiveWriter();
 
  ~ShaderArchiveWriter();
 
  [[nodiscard]] bool AddShaderAtPath(const std::string& path);
 
  void SetEntryPointPrefix(std::string prefix);
 
  [[nodiscard]] bool AddShader(ArchiveShaderType type,
                               std::string name,
                               std::shared_ptr<fml::Mapping> mapping);
 
  std::shared_ptr<fml::Mapping> CreateMapping() const;
 
 private:
  struct ShaderDescription {
    ArchiveShaderType type;
    std::string name;
    std::shared_ptr<fml::Mapping> mapping;
  };
 
  std::vector<ShaderDescription> shader_descriptions_;
  std::string prefix_;
 
  ShaderArchiveWriter(const ShaderArchiveWriter&) = delete;
 
  ShaderArchiveWriter& operator=(const ShaderArchiveWriter&) = delete;
};
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_SHADER_ARCHIVE_SHADER_ARCHIVE_WRITER_H_