/*
 * Copyright (c) Hisilicon Technologies Co., Ltd. 2019-2020. All rights reserved.
 * Description: EGL manager
 * Author:
 * Create: 2019-08-09
 */

#ifndef EGL_MANAGER_H
#define EGL_MANAGER_H

#include <EGL/egl.h>
#include <EGL/eglext.h>
#include "DFXDefine.h"

namespace dolgles {
class EGLManager {
public:
    EGLManager();
    ~EGLManager();

    // Init display, create config and context.
    EGL_S32 EGLSetupContext();

    // Creates an EGL window for the supplied native window.
    EGL_S32 CreateWindowSurface(EGLNativeWindowType nativeWindow);

    EGL_S32 CreatePBufferSurface();

    EGL_S32 GetWindowWidth() const;
    EGL_S32 GetWindowHeight() const;

    // Release source
    void Release();

    EGL_S32 MakeCurrent();

    // Swaps the EGL buffer.
    void SwapBuffers() const;

private:
    void EGLRelease();

    EGLDisplay eglDisplay;
    EGLContext eglContext;
    EGLSurface eglSurface;
    EGLConfig eglConfig;

    // Surface dimensions.
    int width;
    int height;
};
}; // namespace dolgles

#endif // end EGL_MANAGER_H