/*************************************************************************/
/*  gl_context_egl.h                                                     */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
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/*************************************************************************/

#ifndef CONTEXT_EGL_H
#define CONTEXT_EGL_H

#include <wrl.h>

#include "EGL/egl.h"
#include "drivers/gl_context/context_gl.h"
#include "error_list.h"
#include "os/os.h"

using namespace Windows::UI::Core;

class ContextEGL : public ContextGL {

public:
	enum Driver {
		GLES_2_0,
		GLES_3_0,
	};

private:
	CoreWindow ^ window;

	EGLDisplay mEglDisplay;
	EGLContext mEglContext;
	EGLSurface mEglSurface;

	EGLint width;
	EGLint height;

	bool vsync;

	Driver driver;

public:
	virtual void release_current();

	virtual void make_current();

	virtual int get_window_width();
	virtual int get_window_height();
	virtual void swap_buffers();

	void set_use_vsync(bool use) { vsync = use; }
	bool is_using_vsync() const { return vsync; }

	virtual Error initialize();
	void reset();

	void cleanup();

	ContextEGL(CoreWindow ^ p_window, Driver p_driver);
	~ContextEGL();
};

#endif