lwjgl/src/native/common/extgl.h

450 lines
22 KiB
C

/* Small parts were taken from glext.h, here's the lisence: */
/*
** License Applicability. Except to the extent portions of this file are
** made subject to an alternative license as permitted in the SGI Free
** Software License B, Version 1.1 (the "License"), the contents of this
** file are subject only to the provisions of the License. You may not use
** this file except in compliance with the License. You may obtain a copy
** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
**
** http://oss.sgi.com/projects/FreeB
**
** Note that, as provided in the License, the Software is distributed on an
** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
**
** Original Code. The Original Code is: OpenGL Sample Implementation,
** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
** Copyright in any portions created by third parties is as indicated
** elsewhere herein. All Rights Reserved.
**
** Additional Notice Provisions: This software was created using the
** OpenGL(R) version 1.2.1 Sample Implementation published by SGI, but has
** not been independently verified as being compliant with the OpenGL(R)
** version 1.2.1 Specification.
*/
/* Most parts copyright (c) 2001-2002 Lev Povalahev under this lisence: */
/* ----------------------------------------------------------------------------
Copyright (c) 2002, Lev Povalahev
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* The name of the author may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
THE POSSIBILITY OF SUCH DAMAGE.
------------------------------------------------------------------------------*/
/*
GL_draw_range_elements support added by Benjamin Karaban
Lev Povalahev contact information:
levp@gmx.net
http://www.uni-karlsruhe.de/~uli2/
*/
#ifndef __EXTGL_H__
#define __EXTGL_H__
#include <jni.h>
/*-----------------------------------------*/
/*-----------------------------------------*/
#if defined(_WIN32) && !defined(APIENTRY)
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#endif
#define __glext_h_
#define __GLEXT_H_
#define __gl_h_
#define __GL_H__
#include <string.h>
#ifndef APIENTRY
#define APIENTRY
#endif
/* for mingw compatibility */
typedef void (*_GLfuncptr)();
#define GLAPI extern
#define GLAPIENTRY
#include "common_tools.h"
#ifdef __cplusplus
extern "C" {
#endif
/* OpenGL 1.1 definition */
typedef unsigned int GLenum;
typedef unsigned char GLboolean;
typedef unsigned int GLbitfield;
typedef signed char GLbyte;
typedef short GLshort;
typedef int GLint;
typedef int GLsizei;
typedef unsigned char GLubyte;
typedef unsigned short GLushort;
typedef unsigned int GLuint;
typedef float GLfloat;
typedef float GLclampf;
typedef double GLdouble;
typedef double GLclampd;
typedef void GLvoid;
#ifdef _AGL
#include <Carbon/Carbon.h>
#include <OpenGL/gliContext.h>
#include <OpenGL/gliDispatch.h>
#include <AGL/aglContext.h>
typedef struct __AGLRendererInfoRec *AGLRendererInfo;
typedef struct __AGLPixelFormatRec *AGLPixelFormat;
typedef struct __AGLContextRec *AGLContext;
typedef GDHandle AGLDevice;
typedef CGrafPtr AGLDrawable;
/*OSStatus aglInitEntryPoints(void);
void aglDellocEntryPoints (void);
void * aglGetProcAddress (char * pszProc);
*/
typedef AGLPixelFormat (APIENTRY * aglChoosePixelFormatPROC)(const AGLDevice *gdevs, GLint ndev, const GLint *attribs);
typedef void (APIENTRY * aglDestroyPixelFormatPROC)(AGLPixelFormat pix);
typedef AGLPixelFormat (APIENTRY * aglNextPixelFormatPROC)(AGLPixelFormat pix);
typedef GLboolean (APIENTRY * aglDescribePixelFormatPROC)(AGLPixelFormat pix, GLint attrib, GLint *value);
typedef AGLDevice * (APIENTRY * aglDevicesOfPixelFormatPROC)(AGLPixelFormat pix, GLint *ndevs);
typedef AGLRendererInfo (APIENTRY * aglQueryRendererInfoPROC)(const AGLDevice *gdevs, GLint ndev);
typedef void (APIENTRY * aglDestroyRendererInfoPROC)(AGLRendererInfo rend);
typedef AGLRendererInfo (APIENTRY * aglNextRendererInfoPROC)(AGLRendererInfo rend);
typedef GLboolean (APIENTRY * aglDescribeRendererPROC)(AGLRendererInfo rend, GLint prop, GLint *value);
typedef AGLContext (APIENTRY * aglCreateContextPROC)(AGLPixelFormat pix, AGLContext share);
typedef GLboolean (APIENTRY * aglDestroyContextPROC)(AGLContext ctx);
typedef GLboolean (APIENTRY * aglCopyContextPROC)(AGLContext src, AGLContext dst, GLuint mask);
typedef GLboolean (APIENTRY * aglUpdateContextPROC)(AGLContext ctx);
typedef GLboolean (APIENTRY * aglSetCurrentContextPROC)(AGLContext ctx);
typedef AGLContext (APIENTRY * aglGetCurrentContextPROC)(void);
typedef GLboolean (APIENTRY * aglSetDrawablePROC)(AGLContext ctx, AGLDrawable draw);
typedef GLboolean (APIENTRY * aglSetOffScreenPROC)(AGLContext ctx, GLsizei width, GLsizei height, GLsizei rowbytes, GLvoid *baseaddr);
typedef GLboolean (APIENTRY * aglSetFullScreenPROC)(AGLContext ctx, GLsizei width, GLsizei height, GLsizei freq, GLint device);
typedef AGLDrawable (APIENTRY * aglGetDrawablePROC)(AGLContext ctx);
typedef GLboolean (APIENTRY * aglSetVirtualScreenPROC)(AGLContext ctx, GLint screen);
typedef GLint (APIENTRY * aglGetVirtualScreenPROC)(AGLContext ctx);
typedef void (APIENTRY * aglGetVersionPROC)(GLint *major, GLint *minor);
typedef void (APIENTRY * aglSwapBuffersPROC)(AGLContext ctx);
typedef GLboolean (APIENTRY * aglEnablePROC)(AGLContext ctx, GLenum pname);
typedef GLboolean (APIENTRY * aglDisablePROC)(AGLContext ctx, GLenum pname);
typedef GLboolean (APIENTRY * aglIsEnabledPROC)(AGLContext ctx, GLenum pname);
typedef GLboolean (APIENTRY * aglSetIntegerPROC)(AGLContext ctx, GLenum pname, const GLint *params);
typedef GLboolean (APIENTRY * aglGetIntegerPROC)(AGLContext ctx, GLenum pname, GLint *params);
typedef GLboolean (APIENTRY * aglUseFontPROC)(AGLContext ctx, GLint fontID, Style face, GLint size, GLint first, GLint count, GLint base);
typedef GLenum (APIENTRY * aglGetErrorPROC)(void);
typedef const GLubyte * (APIENTRY * aglErrorStringPROC)(GLenum code);
typedef void (APIENTRY * aglResetLibraryPROC)(void);
typedef void (APIENTRY * aglSurfaceTexturePROC) (AGLContext context, GLenum target, GLenum internalformat, AGLContext surfacecontext);
extern aglChoosePixelFormatPROC aglChoosePixelFormat;
extern aglDestroyPixelFormatPROC aglDestroyPixelFormat;
extern aglNextPixelFormatPROC aglNextPixelFormat;
extern aglDescribePixelFormatPROC aglDescribePixelFormat;
extern aglDevicesOfPixelFormatPROC aglDevicesOfPixelFormat;
extern aglQueryRendererInfoPROC aglQueryRendererInfo;
extern aglDestroyRendererInfoPROC aglDestroyRendererInfo;
extern aglNextRendererInfoPROC aglNextRendererInfo;
extern aglDescribeRendererPROC aglDescribeRenderer;
extern aglCreateContextPROC aglCreateContext;
extern aglDestroyContextPROC aglDestroyContext;
extern aglCopyContextPROC aglCopyContext;
extern aglUpdateContextPROC aglUpdateContext;
extern aglSetCurrentContextPROC aglSetCurrentContext;
extern aglGetCurrentContextPROC aglGetCurrentContext;
extern aglSetDrawablePROC aglSetDrawable;
extern aglSetOffScreenPROC aglSetOffScreen;
extern aglSetFullScreenPROC aglSetFullScreen;
extern aglGetDrawablePROC aglGetDrawable;
extern aglSetVirtualScreenPROC aglSetVirtualScreen;
extern aglGetVirtualScreenPROC aglGetVirtualScreen;
extern aglGetVersionPROC aglGetVersion;
extern aglSwapBuffersPROC aglSwapBuffers;
extern aglEnablePROC aglEnable;
extern aglDisablePROC aglDisable;
extern aglIsEnabledPROC aglIsEnabled;
extern aglSetIntegerPROC aglSetInteger;
extern aglGetIntegerPROC aglGetInteger;
extern aglUseFontPROC aglUseFont;
extern aglGetErrorPROC aglGetError;
extern aglErrorStringPROC aglErrorString;
extern aglResetLibraryPROC aglResetLibrary;
extern aglSurfaceTexturePROC aglSurfaceTexture;
/************************************************************************/
/*
** Attribute names for aglChoosePixelFormat and aglDescribePixelFormat.
*/
#define AGL_NONE 0
#define AGL_ALL_RENDERERS 1 /* choose from all available renderers */
#define AGL_BUFFER_SIZE 2 /* depth of the index buffer */
#define AGL_LEVEL 3 /* level in plane stacking */
#define AGL_RGBA 4 /* choose an RGBA format */
#define AGL_DOUBLEBUFFER 5 /* double buffering supported */
#define AGL_STEREO 6 /* stereo buffering supported */
#define AGL_AUX_BUFFERS 7 /* number of aux buffers */
#define AGL_RED_SIZE 8 /* number of red component bits */
#define AGL_GREEN_SIZE 9 /* number of green component bits */
#define AGL_BLUE_SIZE 10 /* number of blue component bits */
#define AGL_ALPHA_SIZE 11 /* number of alpha component bits */
#define AGL_DEPTH_SIZE 12 /* number of depth bits */
#define AGL_STENCIL_SIZE 13 /* number of stencil bits */
#define AGL_ACCUM_RED_SIZE 14 /* number of red accum bits */
#define AGL_ACCUM_GREEN_SIZE 15 /* number of green accum bits */
#define AGL_ACCUM_BLUE_SIZE 16 /* number of blue accum bits */
#define AGL_ACCUM_ALPHA_SIZE 17 /* number of alpha accum bits */
/*
** Extended attributes
*/
#define AGL_PIXEL_SIZE 50 /* frame buffer bits per pixel */
#define AGL_MINIMUM_POLICY 51 /* never choose smaller buffers than requested */
#define AGL_MAXIMUM_POLICY 52 /* choose largest buffers of type requested */
#define AGL_OFFSCREEN 53 /* choose an off-screen capable renderer */
#define AGL_FULLSCREEN 54 /* choose a full-screen capable renderer */
#define AGL_SAMPLE_BUFFERS_ARB 55 /* number of multi sample buffers */
#define AGL_SAMPLES_ARB 56 /* number of samples per multi sample buffer */
#define AGL_AUX_DEPTH_STENCIL 57 /* independent depth and/or stencil buffers for the aux buffer */
/* Renderer management */
#define AGL_RENDERER_ID 70 /* request renderer by ID */
#define AGL_SINGLE_RENDERER 71 /* choose a single renderer for all screens */
#define AGL_NO_RECOVERY 72 /* disable all failure recovery systems */
#define AGL_ACCELERATED 73 /* choose a hardware accelerated renderer */
#define AGL_CLOSEST_POLICY 74 /* choose the closest color buffer to request */
#define AGL_ROBUST 75 /* renderer does not need failure recovery */
#define AGL_BACKING_STORE 76 /* back buffer contents are valid after swap */
#define AGL_MP_SAFE 78 /* renderer is multi-processor safe */
/*
** Only for aglDescribePixelFormat
*/
#define AGL_WINDOW 80 /* can be used to render to an onscreen window */
#define AGL_MULTISCREEN 81 /* single window can span multiple screens */
#define AGL_VIRTUAL_SCREEN 82 /* virtual screen number */
#define AGL_COMPLIANT 83 /* renderer is opengl compliant */
/*
** Property names for aglDescribeRenderer
*/
/* #define AGL_OFFSCREEN 53 */
/* #define AGL_FULLSCREEN 54 */
/* #define AGL_RENDERER_ID 70 */
/* #define AGL_ACCELERATED 73 */
/* #define AGL_ROBUST 75 */
/* #define AGL_BACKING_STORE 76 */
/* #define AGL_MP_SAFE 78 */
/* #define AGL_WINDOW 80 */
/* #define AGL_MULTISCREEN 81 */
/* #define AGL_COMPLIANT 83 */
#define AGL_BUFFER_MODES 100
#define AGL_MIN_LEVEL 101
#define AGL_MAX_LEVEL 102
#define AGL_COLOR_MODES 103
#define AGL_ACCUM_MODES 104
#define AGL_DEPTH_MODES 105
#define AGL_STENCIL_MODES 106
#define AGL_MAX_AUX_BUFFERS 107
#define AGL_VIDEO_MEMORY 120
#define AGL_TEXTURE_MEMORY 121
/*
** Integer parameter names
*/
#define AGL_SWAP_RECT 200 /* Enable or set the swap rectangle */
#define AGL_BUFFER_RECT 202 /* Enable or set the buffer rectangle */
#define AGL_SWAP_LIMIT 203 /* Enable or disable the swap async limit */
#define AGL_COLORMAP_TRACKING 210 /* Enable or disable colormap tracking */
#define AGL_COLORMAP_ENTRY 212 /* Set a colormap entry to {index, r, g, b} */
#define AGL_RASTERIZATION 220 /* Enable or disable all rasterization */
#define AGL_SWAP_INTERVAL 222 /* 0 -> Don't sync, n -> Sync every n retrace */
#define AGL_STATE_VALIDATION 230 /* Validate state for multi-screen functionality */
#define AGL_BUFFER_NAME 231 /* Set the buffer name. Allows for multi ctx to share a buffer */
#define AGL_ORDER_CONTEXT_TO_FRONT 232 /* Order the current context in front of all the other contexts. */
#define AGL_CONTEXT_SURFACE_ID 233 /* aglGetInteger only - returns the ID of the drawable surface for the context */
#define AGL_CONTEXT_DISPLAY_ID 234 /* aglGetInteger only - returns the display ID(s) of all displays touched by the context, up to a maximum of 32 displays */
#define AGL_SURFACE_ORDER 235 /* Position of OpenGL surface relative to window: 1 -> Above window, -1 -> Below Window */
#define AGL_SURFACE_OPACITY 236 /* Opacity of OpenGL surface: 1 -> Surface is opaque (default), 0 -> non-opaque */
#define AGL_CLIP_REGION 254 /* Enable or set the drawable clipping region */
#define AGL_FS_CAPTURE_SINGLE 255 /* Enable the capture of only a single display for aglFullScreen, normally disabled */
/*
** Option names for aglConfigure.
*/
#define AGL_FORMAT_CACHE_SIZE 501 /* Set the size of the pixel format cache */
#define AGL_CLEAR_FORMAT_CACHE 502 /* Reset the pixel format cache */
#define AGL_RETAIN_RENDERERS 503 /* Whether to retain loaded renderers in memory */
/* buffer_modes */
#define AGL_MONOSCOPIC_BIT 0x00000001
#define AGL_STEREOSCOPIC_BIT 0x00000002
#define AGL_SINGLEBUFFER_BIT 0x00000004
#define AGL_DOUBLEBUFFER_BIT 0x00000008
/* bit depths */
#define AGL_0_BIT 0x00000001
#define AGL_1_BIT 0x00000002
#define AGL_2_BIT 0x00000004
#define AGL_3_BIT 0x00000008
#define AGL_4_BIT 0x00000010
#define AGL_5_BIT 0x00000020
#define AGL_6_BIT 0x00000040
#define AGL_8_BIT 0x00000080
#define AGL_10_BIT 0x00000100
#define AGL_12_BIT 0x00000200
#define AGL_16_BIT 0x00000400
#define AGL_24_BIT 0x00000800
#define AGL_32_BIT 0x00001000
#define AGL_48_BIT 0x00002000
#define AGL_64_BIT 0x00004000
#define AGL_96_BIT 0x00008000
#define AGL_128_BIT 0x00010000
/* color modes */
#define AGL_RGB8_BIT 0x00000001 /* 8 rgb bit/pixel, RGB=7:0, inverse colormap */
#define AGL_RGB8_A8_BIT 0x00000002 /* 8-8 argb bit/pixel, A=7:0, RGB=7:0, inverse colormap */
#define AGL_BGR233_BIT 0x00000004 /* 8 rgb bit/pixel, B=7:6, G=5:3, R=2:0 */
#define AGL_BGR233_A8_BIT 0x00000008 /* 8-8 argb bit/pixel, A=7:0, B=7:6, G=5:3, R=2:0 */
#define AGL_RGB332_BIT 0x00000010 /* 8 rgb bit/pixel, R=7:5, G=4:2, B=1:0 */
#define AGL_RGB332_A8_BIT 0x00000020 /* 8-8 argb bit/pixel, A=7:0, R=7:5, G=4:2, B=1:0 */
#define AGL_RGB444_BIT 0x00000040 /* 16 rgb bit/pixel, R=11:8, G=7:4, B=3:0 */
#define AGL_ARGB4444_BIT 0x00000080 /* 16 argb bit/pixel, A=15:12, R=11:8, G=7:4, B=3:0 */
#define AGL_RGB444_A8_BIT 0x00000100 /* 8-16 argb bit/pixel, A=7:0, R=11:8, G=7:4, B=3:0 */
#define AGL_RGB555_BIT 0x00000200 /* 16 rgb bit/pixel, R=14:10, G=9:5, B=4:0 */
#define AGL_ARGB1555_BIT 0x00000400 /* 16 argb bit/pixel, A=15, R=14:10, G=9:5, B=4:0 */
#define AGL_RGB555_A8_BIT 0x00000800 /* 8-16 argb bit/pixel, A=7:0, R=14:10, G=9:5, B=4:0 */
#define AGL_RGB565_BIT 0x00001000 /* 16 rgb bit/pixel, R=15:11, G=10:5, B=4:0 */
#define AGL_RGB565_A8_BIT 0x00002000 /* 8-16 argb bit/pixel, A=7:0, R=15:11, G=10:5, B=4:0 */
#define AGL_RGB888_BIT 0x00004000 /* 32 rgb bit/pixel, R=23:16, G=15:8, B=7:0 */
#define AGL_ARGB8888_BIT 0x00008000 /* 32 argb bit/pixel, A=31:24, R=23:16, G=15:8, B=7:0 */
#define AGL_RGB888_A8_BIT 0x00010000 /* 8-32 argb bit/pixel, A=7:0, R=23:16, G=15:8, B=7:0 */
#define AGL_RGB101010_BIT 0x00020000 /* 32 rgb bit/pixel, R=29:20, G=19:10, B=9:0 */
#define AGL_ARGB2101010_BIT 0x00040000 /* 32 argb bit/pixel, A=31:30 R=29:20, G=19:10, B=9:0 */
#define AGL_RGB101010_A8_BIT 0x00080000 /* 8-32 argb bit/pixel, A=7:0 R=29:20, G=19:10, B=9:0 */
#define AGL_RGB121212_BIT 0x00100000 /* 48 rgb bit/pixel, R=35:24, G=23:12, B=11:0 */
#define AGL_ARGB12121212_BIT 0x00200000 /* 48 argb bit/pixel, A=47:36, R=35:24, G=23:12, B=11:0 */
#define AGL_RGB161616_BIT 0x00400000 /* 64 rgb bit/pixel, R=47:32, G=31:16, B=15:0 */
#define AGL_ARGB16161616_BIT 0x00800000 /* 64 argb bit/pixel, A=63:48, R=47:32, G=31:16, B=15:0 */
#define AGL_INDEX8_BIT 0x20000000 /* 8 bit color look up table */
#define AGL_INDEX16_BIT 0x40000000 /* 16 bit color look up table */
/*
** Error return values from aglGetError.
*/
#define AGL_NO_ERROR 0 /* no error */
#define AGL_BAD_ATTRIBUTE 10000 /* invalid pixel format attribute */
#define AGL_BAD_PROPERTY 10001 /* invalid renderer property */
#define AGL_BAD_PIXELFMT 10002 /* invalid pixel format */
#define AGL_BAD_RENDINFO 10003 /* invalid renderer info */
#define AGL_BAD_CONTEXT 10004 /* invalid context */
#define AGL_BAD_DRAWABLE 10005 /* invalid drawable */
#define AGL_BAD_GDEV 10006 /* invalid graphics device */
#define AGL_BAD_STATE 10007 /* invalid context state */
#define AGL_BAD_VALUE 10008 /* invalid numerical value */
#define AGL_BAD_MATCH 10009 /* invalid share context */
#define AGL_BAD_ENUM 10010 /* invalid enumerant */
#define AGL_BAD_OFFSCREEN 10011 /* invalid offscreen drawable */
#define AGL_BAD_FULLSCREEN 10012 /* invalid offscreen drawable */
#define AGL_BAD_WINDOW 10013 /* invalid window */
#define AGL_BAD_POINTER 10014 /* invalid pointer */
#define AGL_BAD_MODULE 10015 /* invalid code module */
#define AGL_BAD_ALLOC 10016 /* memory allocation failure */
/************************************************************************/
#endif /* _AGL */
#define GL_VERSION 0x1F02
#define GL_EXTENSIONS 0x1F03
/* helper stuff */
struct ExtensionTypes
{
#ifdef _WIN32 /* WGL extensions */
bool WGL_ARB_buffer_region;
bool WGL_ARB_extensions_string;
bool WGL_ARB_make_current_read;
bool WGL_ARB_multisample;
bool WGL_ARB_pbuffer;
bool WGL_ARB_pixel_format;
bool WGL_ARB_render_texture;
bool WGL_EXT_extensions_string;
bool WGL_EXT_swap_control;
bool WGL_NV_render_depth_texture;
bool WGL_NV_render_texture_rectangle;
#endif /* WIN32 */
#ifdef _X11
bool GLX12;
bool GLX13;
bool GLX_EXT_visual_info;
bool GLX_EXT_visual_rating;
bool GLX_SGI_swap_control;
bool GLX_ARB_multisample;
#endif /* X11 */
};
extern struct ExtensionTypes extgl_Extensions;
typedef GLenum (APIENTRY * glGetErrorPROC) (void);
typedef const GLubyte * (APIENTRY * glGetStringPROC) (GLenum name);
extern glGetErrorPROC glGetError;
extern glGetStringPROC glGetString;
/* initializes everything, call this right after the rc is created. the function returns 0 if successful */
extern bool extgl_Open(void);
#ifdef _AGL
extern bool extgl_InitAGL(JNIEnv *env);
#endif
extern void extgl_Close(void);
extern void extgl_InitializeClass(JNIEnv *env, jclass clazz, int num_functions, JavaMethodAndExtFunction *functions);
extern bool extgl_InitializeFunctions(int num_functions, ExtFunction *functions);
extern bool extgl_QueryExtension(JNIEnv *env, const GLubyte*extensions, const char *name);
#ifdef __cplusplus
}
#endif
#endif /* __EXTGL_H__ */