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// Copyright 2019 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 SAMPLES_CONFIG_HELPER_H_
#define SAMPLES_CONFIG_HELPER_H_
#include <memory>
#include <string>
#include <vector>
#include "amber/amber.h"
namespace sample {
// Proof of concept implementation showing how to provide and use
// EngineConfig within sample amber program.
class ConfigHelperImpl {
public:
virtual ~ConfigHelperImpl();
// Create instance and device and return them as amber::EngineConfig.
// |required_features| and |required_extensions| contain lists of
// required features and required extensions, respectively.
virtual std::unique_ptr<amber::EngineConfig> CreateConfig(
const std::vector<std::string>& required_features,
const std::vector<std::string>& required_extensions) = 0;
// Destroy instance and device.
virtual void Shutdown() = 0;
};
// Wrapper of ConfigHelperImpl.
class ConfigHelper {
public:
ConfigHelper();
~ConfigHelper();
// Create instance and device and return them as amber::EngineConfig.
// |required_features| and |required_extensions| contain lists of
// required features and required extensions, respectively. |engine|
// indicates whether the caller required VulkanEngineConfig or
// DawnEngineConfig.
std::unique_ptr<amber::EngineConfig> CreateConfig(
amber::EngineType engine,
const std::vector<std::string>& required_features,
const std::vector<std::string>& required_extensions);
// Destroy instance and device.
void Shutdown();
private:
std::unique_ptr<ConfigHelperImpl> impl_;
};
} // namespace sample
#endif // SAMPLES_CONFIG_HELPER_H_
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