/* ResidualVM - A 3D game interpreter
 *
 * ResidualVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef GRAPHICS_OPENGL_SYSTEM_HEADERS_H
#define GRAPHICS_OPENGL_SYSTEM_HEADERS_H

#include "common/scummsys.h"

#ifdef USE_GLES2

#define GL_GLEXT_PROTOTYPES
#ifdef IPHONE
#include <OpenGLES/ES2/gl.h>
#include <OpenGLES/ES2/glext.h>
#else
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#endif
#undef GL_GLEXT_PROTOTYPES

#ifndef GL_BGRA
#	define GL_BGRA GL_BGRA_EXT
#endif

#if !defined(GL_UNPACK_ROW_LENGTH)
// The Android SDK does not declare GL_UNPACK_ROW_LENGTH_EXT
#define GL_UNPACK_ROW_LENGTH 0x0CF2
#endif

#elif defined(USE_GLEW)
#include <GL/glew.h>
#elif defined(SDL_BACKEND) && defined(USE_OPENGL_GAME)
#include <SDL_opengl.h>
#elif defined(USE_OPENGL_GAME)
#include <GL/gl.h>
#endif

#endif

#if !defined(GL_MAX_SAMPLES)
// The Android SDK and SDL1 don't declare GL_MAX_SAMPLES
#define GL_MAX_SAMPLES 0x8D57
#endif