egl.h

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/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * 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.
 */
 
#pragma once
 
#include <string>
 
#include "EGL/egl.h"
#include "EGL/eglext.h"
 
#include "cuttlefish/host/graphics_detector/egl_funcs.h"
#include "cuttlefish/host/graphics_detector/expected.h"
#include "cuttlefish/host/graphics_detector/lib.h"
 
namespace gfxstream {
 
class Egl {
 public:
  static gfxstream::expected<Egl, std::string> Load();
 
  Egl(const Egl&) = delete;
  Egl& operator=(const Egl&) = delete;
 
  Egl(Egl&&) = default;
  Egl& operator=(Egl&&) = default;
 
#define DECLARE_EGL_FUNCTION_MEMBER_POINTER(return_type, function_name, \
                                            signature)                  \
  return_type(EGLAPIENTRY* function_name) signature = nullptr;
 
  FOR_EACH_EGL_FUNCTION(DECLARE_EGL_FUNCTION_MEMBER_POINTER);
 
 private:
  Egl() = default;
 
  gfxstream::expected<Ok, std::string> Init();
 
  Lib mLib;
};
 
}  // namespace gfxstream