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/*
* The ManaPlus Client
* Copyright (C) 2012 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* 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 2 of the License, or
* 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 MGL_H
#define MGL_H
#include "main.h"
#ifdef USE_OPENGL
#ifdef ANDROID
#include <GLES/gl.h>
#include <GLES/glext.h>
#define APIENTRY GL_APIENTRY
#else
#define GL_GLEXT_PROTOTYPES 1
#include <SDL_opengl.h>
#include <GL/glext.h>
#endif
#define GL_NUM_EXTENSIONS 0x821D
#define GL_DEPTH_ATTACHMENT 0x8D00
#define GL_COLOR_ATTACHMENT0 0x8CE0
#define GL_FRAMEBUFFER 0x8D40
#define GL_RENDERBUFFER 0x8D41
#ifndef GL_COMPRESSED_RGBA_ARB
#define GL_COMPRESSED_RGBA_ARB 0x84EE
#define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
#define GL_COMPRESSED_RGBA_FXT1_3DFX 0x86B1
#endif
#ifndef GL_MAX_ELEMENTS_VERTICES
#define GL_MAX_ELEMENTS_VERTICES 0x80E8
#define GL_MAX_ELEMENTS_INDICES 0x80E9
#endif
#define defNameE(name) extern name##_t m##name
typedef void (APIENTRY *glGenRenderbuffers_t)(GLsizei, GLuint *);
typedef void (APIENTRY *glBindRenderbuffer_t)(GLenum target,
GLuint renderbuffer);
typedef void (APIENTRY *glRenderbufferStorage_t)(GLenum target,
GLenum internalformat, GLsizei width, GLsizei height);
typedef void (APIENTRY *glGenFramebuffers_t)(GLsizei n, GLuint *framebuffers);
typedef void (APIENTRY *glBindFramebuffer_t)(GLenum target,
GLuint framebuffer);
typedef void (APIENTRY *glFramebufferTexture2D_t)(GLenum target,
GLenum attachment, GLenum textarget, GLuint texture, GLint level);
typedef void (APIENTRY *glFramebufferRenderbuffer_t)(GLenum target,
GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
typedef void (APIENTRY *glDeleteFramebuffers_t) (GLsizei, const GLuint *);
typedef void (APIENTRY *glDeleteRenderbuffers_t) (GLsizei, const GLuint *);
typedef const GLubyte *(APIENTRY *glGetStringi_t) (GLenum, GLuint);
typedef void (APIENTRY *glGenSamplers_t) (GLsizei count, GLuint *samplers);
typedef void (APIENTRY *glDeleteSamplers_t)
(GLsizei count, const GLuint * samplers);
typedef void (APIENTRY *glBindSampler_t) (GLuint unit, GLuint sampler);
typedef void (APIENTRY *glSamplerParameteri_t)
(GLuint sampler, GLenum pname, GLint param);
defNameE(glGenRenderbuffers);
defNameE(glBindRenderbuffer);
defNameE(glRenderbufferStorage);
defNameE(glGenFramebuffers);
defNameE(glBindFramebuffer);
defNameE(glFramebufferTexture2D);
defNameE(glFramebufferRenderbuffer);
defNameE(glDeleteFramebuffers);
defNameE(glDeleteRenderbuffers);
defNameE(glGetStringi);
defNameE(glGenSamplers);
defNameE(glDeleteSamplers);
defNameE(glBindSampler);
defNameE(glSamplerParameteri);
#ifdef WIN32
typedef const char* (APIENTRY * wglGetExtensionsString_t) (HDC hdc);
defNameE(wglGetExtensionsString);
#endif
#endif
#endif
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