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/*************************************************************************/
/* context_gl_windows.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#if defined(OPENGL_ENABLED) || defined(GLES_ENABLED)
// Author: Juan Linietsky <reduzio@gmail.com>, (C) 2008
#ifndef CONTEXT_GL_WIN_H
#define CONTEXT_GL_WIN_H
#include "core/error_list.h"
#include "core/os/os.h"
#include <windows.h>
typedef bool(APIENTRY *PFNWGLSWAPINTERVALEXTPROC)(int interval);
typedef int(APIENTRY *PFNWGLGETSWAPINTERVALEXTPROC)(void);
class ContextGL_Windows {
HDC hDC;
HGLRC hRC;
unsigned int pixel_format;
HWND hWnd;
bool opengl_3_context;
bool use_vsync;
bool vsync_via_compositor;
PFNWGLSWAPINTERVALEXTPROC wglSwapIntervalEXT;
PFNWGLGETSWAPINTERVALEXTPROC wglGetSwapIntervalEXT;
static bool should_vsync_via_compositor();
public:
void release_current();
void make_current();
int get_window_width();
int get_window_height();
void swap_buffers();
Error initialize();
void set_use_vsync(bool p_use);
bool is_using_vsync() const;
ContextGL_Windows(HWND hwnd, bool p_opengl_3_context);
~ContextGL_Windows();
};
#endif
#endif
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