/*
 *      Gem-graph OpenGL experiments
 *
 *      Desc: OpenGL utils header
 *
 *  Copyright (C) 2023 Arthur Menges <arthur.menges@a-lec.org>
 *  Copyright (C) 2023 Adrien Bourmault <neox@a-lec.org>
 *
 *  This file is part of Gem-graph.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once
#include <unistd.h>
#include <GL/glu.h>

void graphicsDraw(void);

void graphicsInitBuffers( GLuint *vao_out, GLuint *buffer_out,
                          GLuint *color_buffer_out );

void graphicsInitShaders( GLuint *program_out, GLuint *m_out,
                          GLuint *v_out, GLuint *p_out  );

void graphicsDebugCallback( GLenum source, GLenum type, GLuint id,
                            GLenum severity, GLsizei length, const GLchar *msg,
                            const void *data );

void graphicsInitGL(void);

void graphicsShutdownGL(void);