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// Copyright 2018 The Amber Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef AMBER_RECIPE_H_
#define AMBER_RECIPE_H_
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "amber/shader_info.h"
namespace amber {
/// Internal recipe implementation.
class RecipeImpl {
public:
virtual ~RecipeImpl();
/// Retrieves information on all the shaders in the given recipe.
virtual std::vector<ShaderInfo> GetShaderInfo() const = 0;
/// Returns required features in the given recipe.
virtual std::vector<std::string> GetRequiredFeatures() const = 0;
/// Returns required extensions in the given recipe.
virtual std::vector<std::string> GetRequiredExtensions() const = 0;
protected:
RecipeImpl();
};
/// A recipe is the parsed representation of the input script.
class Recipe {
public:
Recipe();
~Recipe();
/// Retrieves information on all the shaders in the recipe.
std::vector<ShaderInfo> GetShaderInfo() const;
RecipeImpl* GetImpl() const { return impl_.get(); }
void SetImpl(std::unique_ptr<RecipeImpl> impl) { impl_ = std::move(impl); }
/// Returns required features in the given recipe.
std::vector<std::string> GetRequiredFeatures() const;
/// Returns required extensions in the given recipe.
std::vector<std::string> GetRequiredExtensions() const;
private:
std::unique_ptr<RecipeImpl> impl_;
};
} // namespace amber
#endif // AMBER_RECIPE_H_
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