gl.h

G3D游戏引擎的库

/*
 * Mesa 3-D graphics library
 * Version:  3.4
 *
 * Copyright (C) 1999-2000  Brian Paul   All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */


#ifndef __gl_h_
#define __gl_h_

#if defined(USE_MGL_NAMESPACE)
#include "gl_mangle.h"
#endif


/**********************************************************************
 * Begin system-specific stuff.
 */
#if defined(__BEOS__)
#include <stdlib.h>     /* to get some BeOS-isms */
#endif

#if !defined(OPENSTEP) && (defined(NeXT) || defined(NeXT_PDO))
#define OPENSTEP
#endif

#if defined(_WIN32) && !defined(__WIN32__) && !defined(__CYGWIN__)
#define __WIN32__
#endif

#if !defined(OPENSTEP) && (defined(__WIN32__) && !defined(__CYGWIN__))
#  if defined(_MSC_VER) && defined(BUILD_GL32) /* tag specify we're building mesa as a DLL */
#    define GLAPI __declspec(dllexport)
#  elif defined(_MSC_VER) && defined(_DLL) /* tag specifying we're building for DLL runtime support */
#    define GLAPI __declspec(dllimport)
#  else /* for use with static link lib build of Win32 edition only */
#    define GLAPI extern
#  endif /* _STATIC_MESA support */
#  define GLAPIENTRY __stdcall
#else
/* non-Windows compilation */
#  define GLAPI extern
#  define GLAPIENTRY
#endif /* WIN32 / CYGWIN bracket */

//#if defined(_WIN32) && !defined(_WINGDI_) && !defined(_GNU_H_WINDOWS32_DEFINES) && !defined(OPENSTEP) && !defined(__CYGWIN__)
//#include <gl/mesa_wgl.h>
//#endif

#if defined(macintosh) && PRAGMA_IMPORT_SUPPORTED
#pragma import on
#endif
/*
 * End system-specific stuff.
 **********************************************************************/



#ifdef __cplusplus
extern "C" {
#endif



#define GL_VERSION_1_1   1
#define GL_VERSION_1_2   1



/*
 *
 * Datatypes
 *
 */
#ifdef CENTERLINE_CLPP
#define signed
#endif
typedef unsigned int	GLenum;
typedef unsigned char	GLboolean;
typedef unsigned int	GLbitfield;
typedef void		GLvoid;
typedef signed char	GLbyte;		/* 1-byte signed */
typedef short		GLshort;	/* 2-byte signed */
typedef int		GLint;		/* 4-byte signed */
typedef unsigned char	GLubyte;	/* 1-byte unsigned */
typedef unsigned short	GLushort;	/* 2-byte unsigned */
typedef unsigned int	GLuint;		/* 4-byte unsigned */
typedef int		GLsizei;	/* 4-byte signed */
typedef float		GLfloat;	/* single precision float */
typedef float		GLclampf;	/* single precision float in [0,1] */
typedef double		GLdouble;	/* double precision float */
typedef double		GLclampd;	/* double precision float in [0,1] */



/*
 *
 * Constants
 *
 */

/* Boolean values */
#define GL_FALSE				0x0
#define GL_TRUE					0x1

/* Data types */
#define GL_BYTE					0x1400
#define GL_UNSIGNED_BYTE			0x1401
#define GL_SHORT				0x1402
#define GL_UNSIGNED_SHORT			0x1403
#define GL_INT					0x1404
#define GL_UNSIGNED_INT				0x1405
#define GL_FLOAT				0x1406
#define GL_DOUBLE				0x140A
#define GL_2_BYTES				0x1407
#define GL_3_BYTES				0x1408
#define GL_4_BYTES				0x1409

/* Primitives */
#define GL_POINTS				0x0000
#define GL_LINES				0x0001
#define GL_LINE_LOOP				0x0002
#define GL_LINE_STRIP				0x0003
#define GL_TRIANGLES				0x0004
#define GL_TRIANGLE_STRIP			0x0005
#define GL_TRIANGLE_FAN				0x0006
#define GL_QUADS				0x0007
#define GL_QUAD_STRIP				0x0008
#define GL_POLYGON				0x0009

/* Vertex Arrays */
#define GL_VERTEX_ARRAY				0x8074
#define GL_NORMAL_ARRAY				0x8075
#define GL_COLOR_ARRAY				0x8076
#define GL_INDEX_ARRAY				0x8077
#define GL_TEXTURE_COORD_ARRAY			0x8078
#define GL_EDGE_FLAG_ARRAY			0x8079
#define GL_VERTEX_ARRAY_SIZE			0x807A
#define GL_VERTEX_ARRAY_TYPE			0x807B
#define GL_VERTEX_ARRAY_STRIDE			0x807C
#define GL_NORMAL_ARRAY_TYPE			0x807E
#define GL_NORMAL_ARRAY_STRIDE			0x807F
#define GL_COLOR_ARRAY_SIZE			0x8081
#define GL_COLOR_ARRAY_TYPE			0x8082
#define GL_COLOR_ARRAY_STRIDE			0x8083
#define GL_INDEX_ARRAY_TYPE			0x8085
#define GL_INDEX_ARRAY_STRIDE			0x8086
#define GL_TEXTURE_COORD_ARRAY_SIZE		0x8088
#define GL_TEXTURE_COORD_ARRAY_TYPE		0x8089
#define GL_TEXTURE_COORD_ARRAY_STRIDE		0x808A
#define GL_EDGE_FLAG_ARRAY_STRIDE		0x808C
#define GL_VERTEX_ARRAY_POINTER			0x808E
#define GL_NORMAL_ARRAY_POINTER			0x808F
#define GL_COLOR_ARRAY_POINTER			0x8090
#define GL_INDEX_ARRAY_POINTER			0x8091
#define GL_TEXTURE_COORD_ARRAY_POINTER		0x8092
#define GL_EDGE_FLAG_ARRAY_POINTER		0x8093
#define GL_V2F					0x2A20
#define GL_V3F					0x2A21
#define GL_C4UB_V2F				0x2A22
#define GL_C4UB_V3F				0x2A23
#define GL_C3F_V3F				0x2A24
#define GL_N3F_V3F				0x2A25
#define GL_C4F_N3F_V3F				0x2A26
#define GL_T2F_V3F				0x2A27
#define GL_T4F_V4F				0x2A28
#define GL_T2F_C4UB_V3F				0x2A29
#define GL_T2F_C3F_V3F				0x2A2A
#define GL_T2F_N3F_V3F				0x2A2B
#define GL_T2F_C4F_N3F_V3F			0x2A2C
#define GL_T4F_C4F_N3F_V4F			0x2A2D

/* Matrix Mode */
#define GL_MATRIX_MODE				0x0BA0
#define GL_MODELVIEW				0x1700
#define GL_PROJECTION				0x1701
#define GL_TEXTURE				0x1702

/* Points */
#define GL_POINT_SMOOTH				0x0B10
#define GL_POINT_SIZE				0x0B11
#define GL_POINT_SIZE_GRANULARITY 		0x0B13
#define GL_POINT_SIZE_RANGE			0x0B12

/* Lines */
#define GL_LINE_SMOOTH				0x0B20
#define GL_LINE_STIPPLE				0x0B24
#define GL_LINE_STIPPLE_PATTERN			0x0B25
#define GL_LINE_STIPPLE_REPEAT			0x0B26
#define GL_LINE_WIDTH				0x0B21
#define GL_LINE_WIDTH_GRANULARITY		0x0B23
#define GL_LINE_WIDTH_RANGE			0x0B22

/* Polygons */
#define GL_POINT				0x1B00
#define GL_LINE					0x1B01
#define GL_FILL					0x1B02
#define GL_CW					0x0900
#define GL_CCW					0x0901
#define GL_FRONT				0x0404
#define GL_BACK					0x0405
#define GL_POLYGON_MODE				0x0B40
#define GL_POLYGON_SMOOTH			0x0B41
#define GL_POLYGON_STIPPLE			0x0B42
#define GL_EDGE_FLAG				0x0B43
#define GL_CULL_FACE				0x0B44
#define GL_CULL_FACE_MODE			0x0B45
#define GL_FRONT_FACE				0x0B46
#define GL_POLYGON_OFFSET_FACTOR		0x8038
#define GL_POLYGON_OFFSET_UNITS			0x2A00
#define GL_POLYGON_OFFSET_POINT			0x2A01
#define GL_POLYGON_OFFSET_LINE			0x2A02
#define GL_POLYGON_OFFSET_FILL			0x8037

/* Display Lists */
#define GL_COMPILE				0x1300
#define GL_COMPILE_AND_EXECUTE			0x1301
#define GL_LIST_BASE				0x0B32
#define GL_LIST_INDEX				0x0B33
#define GL_LIST_MODE				0x0B30

/* Depth buffer */
#define GL_NEVER				0x0200
#define GL_LESS					0x0201
#define GL_EQUAL				0x0202
#define GL_LEQUAL				0x0203
#define GL_GREATER				0x0204
#define GL_NOTEQUAL				0x0205
#define GL_GEQUAL				0x0206
#define GL_ALWAYS				0x0207
#define GL_DEPTH_TEST				0x0B71
#define GL_DEPTH_BITS				0x0D56
#define GL_DEPTH_CLEAR_VALUE			0x0B73
#define GL_DEPTH_FUNC				0x0B74
#define GL_DEPTH_RANGE				0x0B70
#define GL_DEPTH_WRITEMASK			0x0B72
#define GL_DEPTH_COMPONENT			0x1902

/* Lighting */
#define GL_LIGHTING				0x0B50
#define GL_LIGHT0				0x4000
#define GL_LIGHT1				0x4001
#define GL_LIGHT2				0x4002
#define GL_LIGHT3				0x4003
#define GL_LIGHT4				0x4004
#define GL_LIGHT5				0x4005
#define GL_LIGHT6				0x4006
#define GL_LIGHT7				0x4007
#define GL_SPOT_EXPONENT			0x1205
#define GL_SPOT_CUTOFF				0x1206
#define GL_CONSTANT_ATTENUATION			0x1207
#define GL_LINEAR_ATTENUATION			0x1208
#define GL_QUADRATIC_ATTENUATION		0x1209
#define GL_AMBIENT				0x1200
#define GL_DIFFUSE				0x1201
#define GL_SPECULAR				0x1202
#define GL_SHININESS				0x1601
#define GL_EMISSION				0x1600
#define GL_POSITION				0x1203
#define GL_SPOT_DIRECTION			0x1204
#define GL_AMBIENT_AND_DIFFUSE			0x1602
#define GL_COLOR_INDEXES			0x1603
#define GL_LIGHT_MODEL_TWO_SIDE			0x0B52
#define GL_LIGHT_MODEL_LOCAL_VIEWER		0x0B51
#define GL_LIGHT_MODEL_AMBIENT			0x0B53
#define GL_FRONT_AND_BACK			0x0408
#define GL_SHADE_MODEL				0x0B54
#define GL_FLAT					0x1D00
#define GL_SMOOTH				0x1D01
#define GL_COLOR_MATERIAL			0x0B57
#define GL_COLOR_MATERIAL_FACE			0x0B55
#define GL_COLOR_MATERIAL_PARAMETER		0x0B56
#define GL_NORMALIZE				0x0BA1

/* User clipping planes */
#define GL_CLIP_PLANE0				0x3000
#define GL_CLIP_PLANE1				0x3001
#define GL_CLIP_PLANE2				0x3002
#define GL_CLIP_PLANE3				0x3003
#define GL_CLIP_PLANE4				0x3004
#define GL_CLIP_PLANE5				0x3005

/* Accumulation buffer */
#define GL_ACCUM_RED_BITS			0x0D58
#define GL_ACCUM_GREEN_BITS			0x0D59
#define GL_ACCUM_BLUE_BITS			0x0D5A
#define GL_ACCUM_ALPHA_BITS			0x0D5B
#define GL_ACCUM_CLEAR_VALUE			0x0B80
#define GL_ACCUM				0x0100
#define GL_ADD					0x0104
#define GL_LOAD					0x0101
#define GL_MULT					0x0103
#define GL_RETURN				0x0102

/* Alpha testing */
#define GL_ALPHA_TEST				0x0BC0
#define GL_ALPHA_TEST_REF			0x0BC2
#define GL_ALPHA_TEST_FUNC			0x0BC1

/* Blending */
#define GL_BLEND				0x0BE2
#define GL_BLEND_SRC				0x0BE1
#define GL_BLEND_DST				0x0BE0
#define GL_ZERO					0x0
#define GL_ONE					0x1
#define GL_SRC_COLOR				0x0300
#define GL_ONE_MINUS_SRC_COLOR			0x0301
#define GL_DST_COLOR				0x0306
#define GL_ONE_MINUS_DST_COLOR			0x0307
#define GL_SRC_ALPHA				0x0302
#define GL_ONE_MINUS_SRC_ALPHA			0x0303
#define GL_DST_ALPHA				0x0304
#define GL_ONE_MINUS_DST_ALPHA			0x0305
#define GL_SRC_ALPHA_SATURATE			0x0308
#define GL_CONSTANT_COLOR			0x8001
#define GL_ONE_MINUS_CONSTANT_COLOR		0x8002
#define GL_CONSTANT_ALPHA			0x8003
#define GL_ONE_MINUS_CONSTANT_ALPHA		0x8004

/* Render Mode */
#define GL_FEEDBACK				0x1C01
#define GL_RENDER				0x1C00
#define GL_SELECT				0x1C02

/* Feedback */
#define GL_2D					0x0600
#define GL_3D					0x0601
#define GL_3D_COLOR				0x0602
#define GL_3D_COLOR_TEXTURE			0x0603
#define GL_4D_COLOR_TEXTURE			0x0604
#define GL_POINT_TOKEN				0x0701
#define GL_LINE_TOKEN				0x0702
#define GL_LINE_RESET_TOKEN			0x0707
#define GL_POLYGON_TOKEN			0x0703
#define GL_BITMAP_TOKEN				0x0704
#define GL_DRAW_PIXEL_TOKEN			0x0705
#define GL_COPY_PIXEL_TOKEN			0x0706
#define GL_PASS_THROUGH_TOKEN			0x0700
#define GL_FEEDBACK_BUFFER_POINTER		0x0DF0