godot/platform/uwp/gl_context_egl.h

/*************************************************************************/
/*  gl_context_egl.h                                                     */
/*************************************************************************/
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/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
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#ifndef CONTEXT_EGL_H
#define CONTEXT_EGL_H

#include <wrl.h>

#include "EGL/egl.h"
#include "core/error_list.h"
#include "core/os/os.h"
#include "drivers/gl_context/context_gl.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();

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

	virtual Error initialize();
	void reset();

	void cleanup();

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

#endif