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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2010-2017. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*/
#include "erl_driver.h"
/* Wrap everything from glext.h so we are not dependent on the user version of it */
#ifndef _WIN32
# include <dlfcn.h>
#endif
#ifdef _WIN32
#include <windows.h>
#include <gl/gl.h>
#include <gl/glu.h>
#elif defined(HAVE_GL_GL_H)
#include <GL/gl.h>
# include <GL/glu.h>
#elif defined(HAVE_OPENGL_GL_H)
#include <OpenGL/gl.h>
#include <OpenGL/glu.h>
#endif
#ifndef APIENTRY
#define APIENTRY
#endif
#ifndef CALLBACK
# define CALLBACK
#endif
#ifdef _WIN32
# ifndef _GLUfuncptr
// Visual studio CPP ++ compiler
# define _GLUfuncptr void (_stdcall *)()
# endif
#endif
#ifdef _GLUfuncptr
# define GLUfuncptr _GLUfuncptr
#elif defined(TESS_CB_TIGER_STYLE)
# define GLUfuncptr GLvoid (*)(...)
#else
# define GLUfuncptr GLvoid (*)()
#endif
/* Some new GL types (eliminates the need for glext.h) */
#ifndef HAVE_GLINTPTR
#ifndef HAVE_GLINTPTRARB
# include <stddef.h>
/* GL types for handling large vertex buffer objects */
typedef ptrdiff_t GLintptrARB;
typedef ptrdiff_t GLsizeiptrARB;
#endif /* HAVE_GLINTPTRARB */
typedef GLintptrARB GLintptr;
typedef GLsizeiptrARB GLsizeiptr;
#endif /* HAVE_GLINTPTR */
#ifndef HAVE_GLCHAR
# ifndef HAVE_GLCHARARB
/* GL types for handling shader object handles and characters */
typedef char GLcharARB; /* native character */
typedef unsigned int GLhandleARB; /* shader object handle */
#endif /* HAVE_GLCHARARB */
typedef GLcharARB GLchar;
#endif
#ifndef HAVE_GLHALFARB
/* GL types for "half" precision (s10e5) float data in host memory */
typedef unsigned short GLhalfARB;
#endif
/* Define int32_t, int64_t, and uint64_t types for UST/MSC */
/* (as used in the GLX_OML_sync_control extension). */
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
#include <inttypes.h>
#elif defined(__sun__)
#include <inttypes.h>
#if defined(__STDC__)
#if defined(__arch64__)
typedef long int int64_t;
typedef unsigned long int uint64_t;
#else
typedef long long int int64_t;
typedef unsigned long long int uint64_t;
#endif /* __arch64__ */
#endif /* __STDC__ */
#elif defined( __VMS )
#include <inttypes.h>
#elif defined(__SCO__) || defined(__USLC__)
#include <stdint.h>
#elif defined(__UNIXOS2__) || defined(__SOL64__)
typedef long int int32_t;
typedef long long int int64_t;
typedef unsigned long long int uint64_t;
#elif defined(WIN32) && defined(_MSC_VER)
typedef __int32 int32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#elif defined(WIN32) && defined(__GNUC__)
#include <stdint.h>
#else
#include <inttypes.h> /* Fallback option */
#endif
#ifndef HAVE_GLINT64EXT
typedef int64_t GLint64EXT;
typedef uint64_t GLuint64EXT;
#endif
#ifndef GL_ARB_sync
typedef int64_t GLint64;
typedef uint64_t GLuint64;
typedef struct __GLsync *GLsync;
#endif
/* External Api */
#ifdef _WIN32
extern "C" __declspec(dllexport) int egl_init_opengl(void *);
extern "C" __declspec(dllexport) void egl_dispatch(int, char *, ErlDrvPort, ErlDrvTermData, char **, int *);
#else
extern "C" int egl_init_opengl(void *);
extern "C" void egl_dispatch(int, char *, ErlDrvPort, ErlDrvTermData, char **, int *);
#endif
/* internal */
int erl_tess_impl(char* buff, ErlDrvPort port, ErlDrvTermData caller);
void gl_error();
extern int gl_error_op;
extern ErlDrvTermData gl_active;
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