// Copyright (C) 2012-2013 ChaosForge / Kornel Kisielewicz
// http://chaosforge.org/
//
// This file is part of NV Libraries.
// For conditions of distribution and use, see copyright notice in nv.hh

#ifndef NV_LIB_GL_HH
#define NV_LIB_GL_HH

#include <nv/common.hh>
#include <stddef.h>

//#define NV_SDL_GL
#define NV_GL_DYNAMIC
//#define NV_GL_SHARED

#if NV_PLATFORM == NV_WINDOWS
#	define NV_GL_PATH "opengl32.dll"
#elif NV_PLATFORM == NV_APPLE
#	define NV_GL_PATH "/System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib"
#else
#	define NV_GL_PATH "libGL.so"
#endif

#include <stdint.h>

extern "C" {

#if NV_PLATFORM == NV_WINDOWS 
#	define NV_GL_APIENTRY __stdcall
#else
#	define NV_GL_APIENTRY 
#endif

#if defined(NV_GL_SHARED) && (NV_PLATFORM == NV_WINDOWS)
#	define NV_GL_API __declspec(dllimport)
#else
#	define NV_GL_API extern
#endif

#if defined(NV_GL_DYNAMIC)
#	define NV_GL_FUN( rtype, fname, fparams ) NV_GL_API rtype ( NV_GL_APIENTRY *fname) fparams
#else
#	define NV_GL_FUN( rtype, fname, fparams ) NV_GL_API rtype NV_GL_APIENTRY fname fparams
#endif

typedef unsigned int GLenum;
typedef unsigned int GLbitfield;
typedef unsigned int GLuint;
typedef int GLint;
typedef int GLsizei;
typedef unsigned char GLboolean;
typedef signed char GLbyte;
typedef short GLshort;
typedef unsigned char GLubyte;
typedef unsigned short GLushort;
typedef unsigned long GLulong;
typedef float GLfloat;
typedef float GLclampf;
typedef double GLdouble;
typedef double GLclampd;
typedef void GLvoid;
typedef char GLchar;
typedef ptrdiff_t GLintptr;
typedef ptrdiff_t GLsizeiptr;


/* OpenGL 1.1 non-deprecated defines */
#define GL_DEPTH_BUFFER_BIT 0x00000100
#define GL_STENCIL_BUFFER_BIT 0x00000400
#define GL_COLOR_BUFFER_BIT 0x00004000
#define GL_ZERO 0
#define GL_FALSE 0
#define GL_TRUE 1
#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_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_ONE 1
#define GL_SRC_COLOR 0x0300
#define GL_ONE_MINUS_SRC_COLOR 0x0301
#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_DST_COLOR 0x0306
#define GL_ONE_MINUS_DST_COLOR 0x0307
#define GL_SRC_ALPHA_SATURATE 0x0308
#define GL_FRONT_LEFT 0x0400
#define GL_FRONT_RIGHT 0x0401
#define GL_BACK_LEFT 0x0402
#define GL_BACK_RIGHT 0x0403
#define GL_FRONT 0x0404
#define GL_BACK 0x0405
#define GL_LEFT 0x0406
#define GL_RIGHT 0x0407
#define GL_FRONT_AND_BACK 0x0408
#define GL_INVALID_ENUM 0x0500
#define GL_INVALID_VALUE 0x0501
#define GL_INVALID_OPERATION 0x0502
#define GL_OUT_OF_MEMORY 0x0505
#define GL_CW 0x0900
#define GL_CCW 0x0901
#define GL_POINT_SIZE 0x0B11
#define GL_POINT_SIZE_RANGE 0x0B12
#define GL_POINT_SIZE_GRANULARITY 0x0B13
#define GL_LINE_SMOOTH 0x0B20
#define GL_LINE_WIDTH 0x0B21
#define GL_LINE_WIDTH_RANGE 0x0B22
#define GL_LINE_WIDTH_GRANULARITY 0x0B23
#define GL_POLYGON_SMOOTH 0x0B41
#define GL_CULL_FACE 0x0B44
#define GL_CULL_FACE_MODE 0x0B45
#define GL_FRONT_FACE 0x0B46
#define GL_DEPTH_TEST 0x0B71
#define GL_DEPTH_WRITEMASK 0x0B72
#define GL_DEPTH_CLEAR_VALUE 0x0B73
#define GL_DEPTH_FUNC 0x0B74
#define GL_STENCIL_TEST 0x0B90
#define GL_STENCIL_CLEAR_VALUE 0x0B91
#define GL_STENCIL_FUNC 0x0B92
#define GL_STENCIL_VALUE_MASK 0x0B93
#define GL_STENCIL_FAIL 0x0B94
#define GL_STENCIL_PASS_DEPTH_FAIL 0x0B95
#define GL_STENCIL_PASS_DEPTH_PASS 0x0B96
#define GL_STENCIL_REF 0x0B97
#define GL_STENCIL_WRITEMASK 0x0B98
#define GL_DITHER 0x0BD0
#define GL_BLEND_DST 0x0BE0
#define GL_BLEND_SRC 0x0BE1
#define GL_BLEND 0x0BE2
#define GL_LOGIC_OP_MODE 0x0BF0
#define GL_COLOR_LOGIC_OP 0x0BF2
#define GL_DRAW_BUFFER 0x0C01
#define GL_READ_BUFFER 0x0C02
#define GL_SCISSOR_TEST 0x0C11
#define GL_COLOR_CLEAR_VALUE 0x0C22
#define GL_COLOR_WRITEMASK 0x0C23
#define GL_DOUBLEBUFFER 0x0C32
#define GL_STEREO 0x0C33
#define GL_LINE_SMOOTH_HINT 0x0C52
#define GL_POLYGON_SMOOTH_HINT 0x0C53
#define GL_UNPACK_SWAP_BYTES 0x0CF0
#define GL_UNPACK_LSB_FIRST 0x0CF1
#define GL_UNPACK_ROW_LENGTH 0x0CF2
#define GL_UNPACK_SKIP_ROWS 0x0CF3
#define GL_UNPACK_SKIP_PIXELS 0x0CF4
#define GL_UNPACK_ALIGNMENT 0x0CF5
#define GL_PACK_SWAP_BYTES 0x0D00
#define GL_PACK_LSB_FIRST 0x0D01
#define GL_PACK_ROW_LENGTH 0x0D02
#define GL_PACK_SKIP_ROWS 0x0D03
#define GL_PACK_SKIP_PIXELS 0x0D04
#define GL_PACK_ALIGNMENT 0x0D05
#define GL_MAX_TEXTURE_SIZE 0x0D33
#define GL_MAX_VIEWPORT_DIMS 0x0D3A
#define GL_SUBPIXEL_BITS 0x0D50
#define GL_TEXTURE_2D 0x0DE1
#define GL_POLYGON_OFFSET_UNITS 0x2A00
#define GL_POLYGON_OFFSET_POINT 0x2A01
#define GL_POLYGON_OFFSET_LINE 0x2A02
#define GL_POLYGON_OFFSET_FILL 0x8037
#define GL_POLYGON_OFFSET_FACTOR 0x8038
#define GL_TEXTURE_BINDING_1D 0x8068
#define GL_TEXTURE_BINDING_2D 0x8069
#define GL_TEXTURE_WIDTH 0x1000
#define GL_TEXTURE_HEIGHT 0x1001
#define GL_TEXTURE_INTERNAL_FORMAT 0x1003
#define GL_TEXTURE_BORDER_COLOR 0x1004
#define GL_TEXTURE_RED_SIZE 0x805C
#define GL_TEXTURE_GREEN_SIZE 0x805D
#define GL_TEXTURE_BLUE_SIZE 0x805E
#define GL_TEXTURE_ALPHA_SIZE 0x805F
#define GL_DONT_CARE 0x1100
#define GL_FASTEST 0x1101
#define GL_NICEST 0x1102
#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_CLEAR 0x1500
#define GL_AND 0x1501
#define GL_AND_REVERSE 0x1502
#define GL_COPY 0x1503
#define GL_AND_INVERTED 0x1504
#define GL_NOOP 0x1505
#define GL_XOR 0x1506
#define GL_OR 0x1507
#define GL_NOR 0x1508
#define GL_EQUIV 0x1509
#define GL_INVERT 0x150A
#define GL_OR_REVERSE 0x150B
#define GL_COPY_INVERTED 0x150C
#define GL_OR_INVERTED 0x150D
#define GL_NAND 0x150E
#define GL_SET 0x150F
#define GL_TEXTURE 0x1702
#define GL_COLOR 0x1800
#define GL_DEPTH 0x1801
#define GL_STENCIL 0x1802
#define GL_STENCIL_INDEX 0x1901
#define GL_DEPTH_COMPONENT 0x1902
#define GL_RED 0x1903
#define GL_GREEN 0x1904
#define GL_BLUE 0x1905
#define GL_ALPHA 0x1906
#define GL_RGB 0x1907
#define GL_RGBA 0x1908
#define GL_POINT 0x1B00
#define GL_LINE 0x1B01
#define GL_FILL 0x1B02
#define GL_KEEP 0x1E00
#define GL_REPLACE 0x1E01
#define GL_INCR 0x1E02
#define GL_DECR 0x1E03
#define GL_VENDOR 0x1F00
#define GL_RENDERER 0x1F01
#define GL_VERSION 0x1F02
#define GL_EXTENSIONS 0x1F03
#define GL_NEAREST 0x2600
#define GL_LINEAR 0x2601
#define GL_NEAREST_MIPMAP_NEAREST 0x2700
#define GL_LINEAR_MIPMAP_NEAREST 0x2701
#define GL_NEAREST_MIPMAP_LINEAR 0x2702
#define GL_LINEAR_MIPMAP_LINEAR 0x2703
#define GL_TEXTURE_MAG_FILTER 0x2800
#define GL_TEXTURE_MIN_FILTER 0x2801
#define GL_TEXTURE_WRAP_S 0x2802
#define GL_TEXTURE_WRAP_T 0x2803
#define GL_PROXY_TEXTURE_1D 0x8063
#define GL_PROXY_TEXTURE_2D 0x8064
#define GL_REPEAT 0x2901
#define GL_R3_G3_B2 0x2A10
#define GL_RGB4 0x804F
#define GL_RGB5 0x8050
#define GL_RGB8 0x8051
#define GL_RGB10 0x8052
#define GL_RGB12 0x8053
#define GL_RGB16 0x8054
#define GL_RGBA2 0x8055
#define GL_RGBA4 0x8056
#define GL_RGB5_A1 0x8057
#define GL_RGBA8 0x8058
#define GL_RGB10_A2 0x8059
#define GL_RGBA12 0x805A
#define GL_RGBA16 0x805B

/* OpenGL 1.2 non-deprecated defines */
#define GL_UNSIGNED_BYTE_3_3_2 0x8032
#define GL_UNSIGNED_SHORT_4_4_4_4 0x8033
#define GL_UNSIGNED_SHORT_5_5_5_1 0x8034
#define GL_UNSIGNED_INT_8_8_8_8 0x8035
#define GL_UNSIGNED_INT_10_10_10_2 0x8036
#define GL_TEXTURE_BINDING_3D 0x806A
#define GL_PACK_SKIP_IMAGES 0x806B
#define GL_PACK_IMAGE_HEIGHT 0x806C
#define GL_UNPACK_SKIP_IMAGES 0x806D
#define GL_UNPACK_IMAGE_HEIGHT 0x806E
#define GL_PROXY_TEXTURE_3D 0x8070
#define GL_TEXTURE_DEPTH 0x8071
#define GL_TEXTURE_WRAP_R 0x8072
#define GL_MAX_3D_TEXTURE_SIZE 0x8073
#define GL_UNSIGNED_BYTE_2_3_3_REV 0x8362
#define GL_UNSIGNED_SHORT_5_6_5 0x8363
#define GL_UNSIGNED_SHORT_5_6_5_REV 0x8364
#define GL_UNSIGNED_SHORT_4_4_4_4_REV 0x8365
#define GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366
#define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
#define GL_BGR 0x80E0
#define GL_MAX_ELEMENTS_VERTICES 0x80E8
#define GL_MAX_ELEMENTS_INDICES 0x80E9
#define GL_CLAMP_TO_EDGE 0x812F
#define GL_TEXTURE_MIN_LOD 0x813A
#define GL_TEXTURE_MAX_LOD 0x813B
#define GL_TEXTURE_BASE_LEVEL 0x813C
#define GL_TEXTURE_MAX_LEVEL 0x813D
#define GL_SMOOTH_POINT_SIZE_RANGE 0x0B12
#define GL_SMOOTH_POINT_SIZE_GRANULARITY 0x0B13
#define GL_SMOOTH_LINE_WIDTH_RANGE 0x0B22
#define GL_SMOOTH_LINE_WIDTH_GRANULARITY 0x0B23
#define GL_ALIASED_LINE_WIDTH_RANGE 0x846E
#define GL_CONSTANT_COLOR 0x8001
#define GL_ONE_MINUS_CONSTANT_COLOR 0x8002
#define GL_CONSTANT_ALPHA 0x8003
#define GL_ONE_MINUS_CONSTANT_ALPHA 0x8004
#define GL_FUNC_ADD 0x8006
#define GL_MIN 0x8007
#define GL_MAX 0x8008
#define GL_FUNC_SUBTRACT 0x800A
#define GL_FUNC_REVERSE_SUBTRACT 0x800B

/* OpenGL 1.3 non-deprecated defines */
#define GL_TEXTURE0 0x84C0
#define GL_TEXTURE1 0x84C1
#define GL_TEXTURE2 0x84C2
#define GL_TEXTURE3 0x84C3
#define GL_TEXTURE4 0x84C4
#define GL_TEXTURE5 0x84C5
#define GL_TEXTURE6 0x84C6
#define GL_TEXTURE7 0x84C7
#define GL_TEXTURE8 0x84C8
#define GL_TEXTURE9 0x84C9
#define GL_TEXTURE10 0x84CA
#define GL_TEXTURE11 0x84CB
#define GL_TEXTURE12 0x84CC
#define GL_TEXTURE13 0x84CD
#define GL_TEXTURE14 0x84CE
#define GL_TEXTURE15 0x84CF
#define GL_TEXTURE16 0x84D0
#define GL_TEXTURE17 0x84D1
#define GL_TEXTURE18 0x84D2
#define GL_TEXTURE19 0x84D3
#define GL_TEXTURE20 0x84D4
#define GL_TEXTURE21 0x84D5
#define GL_TEXTURE22 0x84D6
#define GL_TEXTURE23 0x84D7
#define GL_TEXTURE24 0x84D8
#define GL_TEXTURE25 0x84D9
#define GL_TEXTURE26 0x84DA
#define GL_TEXTURE27 0x84DB
#define GL_TEXTURE28 0x84DC
#define GL_TEXTURE29 0x84DD
#define GL_TEXTURE30 0x84DE
#define GL_TEXTURE31 0x84DF
#define GL_ACTIVE_TEXTURE 0x84E0
#define GL_MULTISAMPLE 0x809D
#define GL_SAMPLE_ALPHA_TO_COVERAGE 0x809E
#define GL_SAMPLE_ALPHA_TO_ONE 0x809F
#define GL_SAMPLE_COVERAGE 0x80A0
#define GL_SAMPLE_BUFFERS 0x80A8
#define GL_SAMPLE_COVERAGE_VALUE 0x80AA
#define GL_SAMPLE_COVERAGE_INVERT 0x80AB
#define GL_TEXTURE_BINDING_CUBE_MAP 0x8514
#define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x8515
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0x8516
#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0x8517
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0x8518
#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0x8519
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0x851A
#define GL_PROXY_TEXTURE_CUBE_MAP 0x851B
#define GL_MAX_CUBE_MAP_TEXTURE_SIZE 0x851C
#define GL_COMPRESSED_RGB 0x84ED
#define GL_COMPRESSED_RGBA 0x84EE
#define GL_TEXTURE_COMPRESSION_HINT 0x84EF
#define GL_TEXTURE_COMPRESSED_IMAGE_SIZE 0x86A0
#define GL_NUM_COMPRESSED_TEXTURE_FORMATS 0x86A2
#define GL_COMPRESSED_TEXTURE_FORMATS 0x86A3
#define GL_CLAMP_TO_BORDER 0x812D

/* OpenGL 1.4 non-deprecated defines */
#define GL_BLEND_DST_RGB 0x80C8
#define GL_BLEND_SRC_RGB 0x80C9
#define GL_BLEND_DST_ALPHA 0x80CA
#define GL_BLEND_SRC_ALPHA 0x80CB
#define GL_POINT_FADE_THRESHOLD_SIZE 0x8128
#define GL_DEPTH_COMPONENT16 0x81A5
#define GL_DEPTH_COMPONENT24 0x81A6
#define GL_DEPTH_COMPONENT32 0x81A7
#define GL_MIRRORED_REPEAT 0x8370
#define GL_MAX_TEXTURE_LOD_BIAS 0x84FD
#define GL_TEXTURE_LOD_BIAS 0x8501
#define GL_INCR_WRAP 0x8507
#define GL_DECR_WRAP 0x8508
#define GL_TEXTURE_DEPTH_SIZE 0x884A
#define GL_TEXTURE_COMPARE_MODE 0x884C
#define GL_TEXTURE_COMPARE_FUNC 0x884D

/* OpenGL 1.5 non-deprecated defines */
#define GL_BUFFER_SIZE 0x8764
#define GL_BUFFER_USAGE 0x8765
#define GL_QUERY_COUNTER_BITS 0x8864
#define GL_CURRENT_QUERY 0x8865
#define GL_QUERY_RESULT 0x8866
#define GL_QUERY_RESULT_AVAILABLE 0x8867
#define GL_ARRAY_BUFFER 0x8892
#define GL_ELEMENT_ARRAY_BUFFER 0x8893
#define GL_ARRAY_BUFFER_BINDING 0x8894
#define GL_ELEMENT_ARRAY_BUFFER_BINDING 0x8895
#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING 0x889F
#define GL_READ_ONLY 0x88B8
#define GL_BUFFER_ACCESS 0x88BB
#define GL_BUFFER_MAPPED 0x88BC
#define GL_BUFFER_MAP_POINTER 0x88BD
#define GL_STREAM_DRAW 0x88E0
#define GL_STREAM_READ 0x88E1
#define GL_STREAM_COPY 0x88E2
#define GL_STATIC_DRAW 0x88E4
#define GL_STATIC_READ 0x88E5
#define GL_STATIC_COPY 0x88E6
#define GL_DYNAMIC_DRAW 0x88E8
#define GL_DYNAMIC_READ 0x88E9
#define GL_DYNAMIC_COPY 0x88EA
#define GL_SAMPLES_PASSED 0x8914

/* OpenGL 2.0 non-deprecated defines */
#define GL_BLEND_EQUATION_RGB 0x8009
#define GL_VERTEX_ATTRIB_ARRAY_ENABLED 0x8622
#define GL_VERTEX_ATTRIB_ARRAY_SIZE 0x8623
#define GL_VERTEX_ATTRIB_ARRAY_STRIDE 0x8624
#define GL_VERTEX_ATTRIB_ARRAY_TYPE 0x8625
#define GL_CURRENT_VERTEX_ATTRIB 0x8626
#define GL_VERTEX_PROGRAM_POINT_SIZE 0x8642
#define GL_VERTEX_ATTRIB_ARRAY_POINTER 0x8645
#define GL_STENCIL_BACK_FUNC 0x8800
#define GL_STENCIL_BACK_FAIL 0x8801
#define GL_STENCIL_BACK_PASS_DEPTH_FAIL 0x8802
#define GL_STENCIL_BACK_PASS_DEPTH_PASS 0x8803
#define GL_MAX_DRAW_BUFFERS 0x8824
#define GL_DRAW_BUFFER0 0x8825
#define GL_DRAW_BUFFER1 0x8826
#define GL_DRAW_BUFFER2 0x8827
#define GL_DRAW_BUFFER3 0x8828
#define GL_DRAW_BUFFER4 0x8829
#define GL_DRAW_BUFFER5 0x882A
#define GL_DRAW_BUFFER6 0x882B
#define GL_DRAW_BUFFER7 0x882C
#define GL_DRAW_BUFFER8 0x882D
#define GL_DRAW_BUFFER9 0x882E
#define GL_DRAW_BUFFER10 0x882F
#define GL_DRAW_BUFFER11 0x8830
#define GL_DRAW_BUFFER12 0x8831
#define GL_DRAW_BUFFER13 0x8832
#define GL_DRAW_BUFFER14 0x8833
#define GL_DRAW_BUFFER15 0x8834
#define GL_BLEND_EQUATION_ALPHA 0x883D
#define GL_MAX_VERTEX_ATTRIBS 0x8869
#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A
#define GL_MAX_TEXTURE_IMAGE_UNITS 0x8872
#define GL_FRAGMENT_SHADER 0x8B30
#define GL_VERTEX_SHADER 0x8B31
#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS 0x8B49
#define GL_MAX_VERTEX_UNIFORM_COMPONENTS 0x8B4A
#define GL_MAX_VARYING_FLOATS 0x8B4B
#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C
#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D
#define GL_SHADER_TYPE 0x8B4F
#define GL_FLOAT_VEC2 0x8B50
#define GL_FLOAT_VEC3 0x8B51
#define GL_FLOAT_VEC4 0x8B52
#define GL_INT_VEC2 0x8B53
#define GL_INT_VEC3 0x8B54
#define GL_INT_VEC4 0x8B55
#define GL_BOOL 0x8B56
#define GL_BOOL_VEC2 0x8B57
#define GL_BOOL_VEC3 0x8B58
#define GL_BOOL_VEC4 0x8B59
#define GL_FLOAT_MAT2 0x8B5A
#define GL_FLOAT_MAT3 0x8B5B
#define GL_FLOAT_MAT4 0x8B5C
#define GL_SAMPLER_1D 0x8B5D
#define GL_SAMPLER_2D 0x8B5E
#define GL_SAMPLER_3D 0x8B5F
#define GL_SAMPLER_CUBE 0x8B60
#define GL_SAMPLER_1D_SHADOW 0x8B61
#define GL_SAMPLER_2D_SHADOW 0x8B62
#define GL_DELETE_STATUS 0x8B80
#define GL_COMPILE_STATUS 0x8B81
#define GL_LINK_STATUS 0x8B82
#define GL_VALIDATE_STATUS 0x8B83
#define GL_INFO_LOG_LENGTH 0x8B84
#define GL_ATTACHED_SHADERS 0x8B85
#define GL_ACTIVE_UNIFORMS 0x8B86
#define GL_ACTIVE_UNIFORM_MAX_LENGTH 0x8B87
#define GL_SHADER_SOURCE_LENGTH 0x8B88
#define GL_ACTIVE_ATTRIBUTES 0x8B89
#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A
#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT 0x8B8B
#define GL_SHADING_LANGUAGE_VERSION 0x8B8C
#define GL_CURRENT_PROGRAM 0x8B8D
#define GL_POINT_SPRITE_COORD_ORIGIN 0x8CA0
#define GL_LOWER_LEFT 0x8CA1
#define GL_UPPER_LEFT 0x8CA2
#define GL_STENCIL_BACK_REF 0x8CA3
#define GL_STENCIL_BACK_VALUE_MASK 0x8CA4
#define GL_STENCIL_BACK_WRITEMASK 0x8CA5

/* OpenGL 2.1 non-deprecated defines */
#define GL_PIXEL_PACK_BUFFER 0x88EB
#define GL_PIXEL_UNPACK_BUFFER 0x88EC
#define GL_PIXEL_PACK_BUFFER_BINDING 0x88ED
#define GL_PIXEL_UNPACK_BUFFER_BINDING 0x88EF
#define GL_FLOAT_MAT2x3 0x8B65
#define GL_FLOAT_MAT2x4 0x8B66
#define GL_FLOAT_MAT3x2 0x8B67
#define GL_FLOAT_MAT3x4 0x8B68
#define GL_FLOAT_MAT4x2 0x8B69
#define GL_FLOAT_MAT4x3 0x8B6A
#define GL_SRGB 0x8C40
#define GL_SRGB8 0x8C41
#define GL_SRGB_ALPHA 0x8C42
#define GL_SRGB8_ALPHA8 0x8C43
#define GL_COMPRESSED_SRGB 0x8C48
#define GL_COMPRESSED_SRGB_ALPHA 0x8C49

/* OpenGL 1.1 non-deprecated functions */
NV_GL_FUN( void , glCullFace , ( GLenum ) );
NV_GL_FUN( void , glFrontFace , ( GLenum ) );
NV_GL_FUN( void , glHint , ( GLenum, GLenum ) );
NV_GL_FUN( void , glLineWidth , ( GLfloat ) );
NV_GL_FUN( void , glPointSize , ( GLfloat ) );
NV_GL_FUN( void , glPolygonMode , ( GLenum, GLenum ) );
NV_GL_FUN( void , glScissor , ( GLint , GLint , GLsizei , GLsizei ) );
NV_GL_FUN( void , glTexParameterf , ( GLenum , GLenum , GLfloat ) );
NV_GL_FUN( void , glTexParameterfv , ( GLenum , GLenum , const GLfloat *) );
NV_GL_FUN( void , glTexParameteri , ( GLenum , GLenum , GLint ) );
NV_GL_FUN( void , glTexParameteriv , ( GLenum , GLenum , const GLint *) );
NV_GL_FUN( void , glTexImage1D , ( GLenum , GLint , GLint , GLsizei , GLint , GLenum , GLenum , const GLvoid *) );
NV_GL_FUN( void , glTexImage2D , ( GLenum , GLint , GLint , GLsizei , GLsizei , GLint , GLenum , GLenum , const GLvoid *) );
NV_GL_FUN( void , glDrawBuffer , ( GLenum ) );
NV_GL_FUN( void , glClear , ( GLbitfield ) );
NV_GL_FUN( void , glClearColor , ( GLfloat , GLfloat , GLfloat , GLfloat ) );
NV_GL_FUN( void , glClearStencil , ( GLint ) );
NV_GL_FUN( void , glClearDepth , ( GLdouble ) );
NV_GL_FUN( void , glStencilMask , ( GLuint ) );
NV_GL_FUN( void , glColorMask , ( GLboolean , GLboolean , GLboolean , GLboolean ) );
NV_GL_FUN( void , glDepthMask , ( GLboolean ) );
NV_GL_FUN( void , glDisable , ( GLenum ) );
NV_GL_FUN( void , glEnable , ( GLenum ) );
NV_GL_FUN( void , glFinish , ( void ) );
NV_GL_FUN( void , glFlush , ( void ) );
NV_GL_FUN( void , glBlendFunc , ( GLenum, GLenum ) );
NV_GL_FUN( void , glLogicOp , ( GLenum ) );
NV_GL_FUN( void , glStencilFunc , ( GLenum , GLint , GLuint ) );
NV_GL_FUN( void , glStencilOp , ( GLenum , GLenum , GLenum ) );
NV_GL_FUN( void , glDepthFunc , ( GLenum ) );
NV_GL_FUN( void , glPixelStoref , ( GLenum , GLfloat ) );
NV_GL_FUN( void , glPixelStorei , ( GLenum , GLint ) );
NV_GL_FUN( void , glReadBuffer , ( GLenum ) );
NV_GL_FUN( void , glReadPixels , ( GLint , GLint , GLsizei , GLsizei , GLenum , GLenum , GLvoid *) );
NV_GL_FUN( void , glGetBooleanv , ( GLenum , GLboolean *) );
NV_GL_FUN( void , glGetDoublev , ( GLenum , GLdouble *) );
NV_GL_FUN( GLenum , glGetError , ( void ) );
NV_GL_FUN( void , glGetFloatv , ( GLenum , GLfloat *) );
NV_GL_FUN( void , glGetIntegerv , ( GLenum , GLint *) );
NV_GL_FUN( const GLubyte * , glGetString , ( GLenum ) );
NV_GL_FUN( void , glGetTexImage , ( GLenum , GLint , GLenum , GLenum , GLvoid *) );
NV_GL_FUN( void , glGetTexParameterfv , ( GLenum , GLenum , GLfloat *) );
NV_GL_FUN( void , glGetTexParameteriv , ( GLenum , GLenum , GLint *) );
NV_GL_FUN( void , glGetTexLevelParameterfv , ( GLenum , GLint , GLenum , GLfloat *) );
NV_GL_FUN( void , glGetTexLevelParameteriv , ( GLenum , GLint , GLenum , GLint *) );
NV_GL_FUN( GLboolean , glIsEnabled , ( GLenum ) );
NV_GL_FUN( void , glDepthRange , ( GLdouble , GLdouble ) );
NV_GL_FUN( void , glViewport , ( GLint , GLint , GLsizei , GLsizei ) );
NV_GL_FUN( void , glDrawArrays , ( GLenum , GLint , GLsizei ) );
NV_GL_FUN( void , glDrawElements , ( GLenum , GLsizei , GLenum , const GLvoid *) );
NV_GL_FUN( void , glGetPointerv , ( GLenum , GLvoid* *) );
NV_GL_FUN( void , glPolygonOffset , ( GLfloat , GLfloat ) );
NV_GL_FUN( void , glCopyTexImage1D , ( GLenum , GLint , GLenum , GLint , GLint , GLsizei , GLint ) );
NV_GL_FUN( void , glCopyTexImage2D , ( GLenum , GLint , GLenum , GLint , GLint , GLsizei , GLsizei , GLint ) );
NV_GL_FUN( void , glCopyTexSubImage1D , ( GLenum , GLint , GLint , GLint , GLint , GLsizei ) );
NV_GL_FUN( void , glCopyTexSubImage2D , ( GLenum , GLint , GLint , GLint , GLint , GLint , GLsizei , GLsizei ) );
NV_GL_FUN( void , glTexSubImage1D , ( GLenum , GLint , GLint , GLsizei , GLenum , GLenum , const GLvoid *) );
NV_GL_FUN( void , glTexSubImage2D , ( GLenum , GLint , GLint , GLsizei , GLenum , GLenum , const GLvoid *) );
NV_GL_FUN( void , glBindTexture , ( GLenum , GLuint ) );
NV_GL_FUN( void , glDeleteTextures , ( GLsizei , const GLuint *) );
NV_GL_FUN( void , glGenTextures , ( GLsizei , GLuint *) );
NV_GL_FUN( GLboolean , glIsTexture , ( GLuint ) );
NV_GL_FUN( void , glIndexub , ( GLubyte ) );
NV_GL_FUN( void , glIndexubv , ( const GLubyte *) );

/* OpenGL 1.2 non-deprecated functions */
NV_GL_FUN( void , glBlendColor , ( GLfloat , GLfloat , GLfloat , GLfloat ) );
NV_GL_FUN( void , glBlendEquation , ( GLenum ) );
NV_GL_FUN( void , glDrawRangeElements , ( GLenum , GLuint , GLuint , GLsizei , GLenum , const GLvoid *) );
NV_GL_FUN( void , glTexSubImage3D , ( GLenum , GLint , GLint , GLint , GLint , GLsizei , GLsizei , GLsizei , GLenum , GLenum , const GLvoid *) );
NV_GL_FUN( void , glCopyTexSubImage3D , ( GLenum , GLint , GLint , GLint , GLint , GLint , GLint , GLsizei , GLsizei ) );

/* OpenGL 1.3 non-deprecated functions */
NV_GL_FUN( void , glActiveTexture , ( GLenum ) );
NV_GL_FUN( void , glSampleCoverage , ( GLfloat , GLboolean ) );
NV_GL_FUN( void , glCompressedTexImage3D , ( GLenum , GLint , GLenum , GLsizei , GLsizei , GLsizei , GLint , GLsizei , const GLvoid *) );
NV_GL_FUN( void , glCompressedTexImage2D , ( GLenum , GLint , GLenum , GLsizei , GLsizei , GLint , GLsizei , const GLvoid *) );
NV_GL_FUN( void , glCompressedTexImage1D , ( GLenum , GLint , GLenum , GLsizei , GLint , GLsizei , const GLvoid *) );
NV_GL_FUN( void , glCompressedTexSubImage3D , ( GLenum , GLint , GLint , GLint , GLint , GLsizei , GLsizei , GLsizei , GLenum , GLsizei , const GLvoid *) );
NV_GL_FUN( void , glCompressedTexSubImage2D , ( GLenum , GLint , GLint , GLint , GLsizei , GLsizei , GLenum , GLsizei , const GLvoid *) );
NV_GL_FUN( void , glCompressedTexSubImage1D , ( GLenum , GLint , GLint , GLsizei , GLenum , GLsizei , const GLvoid *) );
NV_GL_FUN( void , glGetCompressedTexImage , ( GLenum , GLint , GLvoid *) );

/* OpenGL 1.4 non-deprecated functions */
NV_GL_FUN( void , glBlendFuncSeparate , ( GLenum , GLenum , GLenum , GLenum ) );
NV_GL_FUN( void , glMultiDrawArrays , ( GLenum , const GLint *, const GLsizei *, GLsizei ) );
NV_GL_FUN( void , glMultiDrawElements , ( GLenum , const GLsizei *, GLenum , const GLvoid* const *, GLsizei ) );
NV_GL_FUN( void , glPointParameterf , ( GLenum , GLfloat ) );
NV_GL_FUN( void , glPointParameterfv , ( GLenum , const GLfloat *) );
NV_GL_FUN( void , glPointParameteri , ( GLenum , GLint ) );
NV_GL_FUN( void , glPointParameteriv , ( GLenum , const GLint *) );

/* OpenGL 1.5 non-deprecated functions */
NV_GL_FUN( void , glGenQueries , ( GLsizei , GLuint *) );
NV_GL_FUN( void , glDeleteQueries , ( GLsizei , const GLuint *) );
NV_GL_FUN( GLboolean , glIsQuery , ( GLuint ) );
NV_GL_FUN( void , glBeginQuery , ( GLenum , GLuint ) );
NV_GL_FUN( void , glEndQuery , ( GLenum ) );
NV_GL_FUN( void , glGetQueryiv , ( GLenum , GLenum , GLint *) );
NV_GL_FUN( void , glGetQueryObjectiv , ( GLuint , GLenum , GLint *) );
NV_GL_FUN( void , glGetQueryObjectuiv , ( GLuint , GLenum , GLuint *) );
NV_GL_FUN( void , glBindBuffer , ( GLenum , GLuint ) );
NV_GL_FUN( void , glDeleteBuffers , ( GLsizei , const GLuint *) );
NV_GL_FUN( void , glGenBuffers , ( GLsizei , GLuint *) );
NV_GL_FUN( GLboolean , glIsBuffer , ( GLuint ) );
NV_GL_FUN( void , glBufferData , ( GLenum , GLsizeiptr , const GLvoid *, GLenum ) );
NV_GL_FUN( void , glBufferSubData , ( GLenum , GLintptr , GLsizeiptr , const GLvoid *) );
NV_GL_FUN( void , glGetBufferSubData , ( GLenum , GLintptr , GLsizeiptr , GLvoid *) );
NV_GL_FUN( GLvoid* , glMapBuffer , ( GLenum , GLenum ) );
NV_GL_FUN( GLboolean , glUnmapBuffer , ( GLenum ) );
NV_GL_FUN( void , glGetBufferParameteriv , ( GLenum , GLenum , GLint *) );
NV_GL_FUN( void , glGetBufferPointerv , ( GLenum , GLenum , GLvoid* *) );

/* OpenGL 2.0 non-deprecated functions */
NV_GL_FUN( void , glBlendEquationSeparate , ( GLenum , GLenum ) );
NV_GL_FUN( void , glDrawBuffers , ( GLsizei , const GLenum *) );
NV_GL_FUN( void , glStencilOpSeparate , ( GLenum , GLenum , GLenum , GLenum ) );
NV_GL_FUN( void , glStencilFuncSeparate , ( GLenum , GLenum , GLint , GLuint ) );
NV_GL_FUN( void , glStencilMaskSeparate , ( GLenum , GLuint ) );
NV_GL_FUN( void , glAttachShader , ( GLuint , GLuint ) );
NV_GL_FUN( void , glBindAttribLocation , ( GLuint , GLuint , const GLchar *) );
NV_GL_FUN( void , glCompileShader , ( GLuint ) );
NV_GL_FUN( GLuint , glCreateProgram , ( void ) );
NV_GL_FUN( GLuint , glCreateShader , ( GLenum ) );
NV_GL_FUN( void , glDeleteProgram , ( GLuint ) );
NV_GL_FUN( void , glDeleteShader , ( GLuint ) );
NV_GL_FUN( void , glDetachShader , ( GLuint, GLuint ) );
NV_GL_FUN( void , glDisableVertexAttribArray , ( GLuint ) );
NV_GL_FUN( void , glEnableVertexAttribArray , ( GLuint ) );
NV_GL_FUN( void , glGetActiveAttrib , ( GLuint , GLuint , GLsizei , GLsizei *, GLint *, GLenum *, GLchar *) );
NV_GL_FUN( void , glGetActiveUniform , ( GLuint , GLuint , GLsizei , GLsizei *, GLint *, GLenum *, GLchar *) );
NV_GL_FUN( void , glGetAttachedShaders , ( GLuint , GLsizei , GLsizei *, GLuint *) );
NV_GL_FUN( GLint , glGetAttribLocation , ( GLuint , const GLchar *) );
NV_GL_FUN( void , glGetProgramiv , ( GLuint , GLenum , GLint *) );
NV_GL_FUN( void , glGetProgramInfoLog , ( GLuint , GLsizei , GLsizei *, GLchar *) );
NV_GL_FUN( void , glGetShaderiv , ( GLuint , GLenum , GLint *) );
NV_GL_FUN( void , glGetShaderInfoLog , ( GLuint , GLsizei , GLsizei *, GLchar *) );
NV_GL_FUN( void , glGetShaderSource , ( GLuint , GLsizei , GLsizei *, GLchar *) );
NV_GL_FUN( GLint , glGetUniformLocation , ( GLuint , const GLchar *) );
NV_GL_FUN( void , glGetUniformfv , ( GLuint , GLint , GLfloat *) );
NV_GL_FUN( void , glGetUniformiv , ( GLuint , GLint , GLint *) );
NV_GL_FUN( void , glGetVertexAttribdv , ( GLuint , GLenum , GLdouble *) );
NV_GL_FUN( void , glGetVertexAttribfv , ( GLuint , GLenum , GLfloat *) );
NV_GL_FUN( void , glGetVertexAttribiv , ( GLuint , GLenum , GLint *) );
NV_GL_FUN( void , glGetVertexAttribPointerv , ( GLuint , GLenum , GLvoid* *) );
NV_GL_FUN( GLboolean , glIsProgram , ( GLuint ) );
NV_GL_FUN( GLboolean , glIsShader , ( GLuint ) );
NV_GL_FUN( void , glLinkProgram , ( GLuint ) );
NV_GL_FUN( void , glShaderSource , ( GLuint , GLsizei , const GLchar* const *, const GLint *) );
NV_GL_FUN( void , glUseProgram , ( GLuint ) );
NV_GL_FUN( void , glUniform1f , ( GLint , GLfloat ) );
NV_GL_FUN( void , glUniform2f , ( GLint , GLfloat , GLfloat ) );
NV_GL_FUN( void , glUniform3f , ( GLint , GLfloat , GLfloat , GLfloat ) );
NV_GL_FUN( void , glUniform4f , ( GLint , GLfloat , GLfloat , GLfloat , GLfloat ) );
NV_GL_FUN( void , glUniform1i , ( GLint , GLint ) );
NV_GL_FUN( void , glUniform2i , ( GLint , GLint , GLint ) );
NV_GL_FUN( void , glUniform3i , ( GLint , GLint , GLint , GLint ) );
NV_GL_FUN( void , glUniform4i , ( GLint , GLint , GLint , GLint , GLint ) );
NV_GL_FUN( void , glUniform1fv , ( GLint , GLsizei , const GLfloat *) );
NV_GL_FUN( void , glUniform2fv , ( GLint , GLsizei , const GLfloat *) );
NV_GL_FUN( void , glUniform3fv , ( GLint , GLsizei , const GLfloat *) );
NV_GL_FUN( void , glUniform4fv , ( GLint , GLsizei , const GLfloat *) );
NV_GL_FUN( void , glUniform1iv , ( GLint , GLsizei , const GLint *) );
NV_GL_FUN( void , glUniform2iv , ( GLint , GLsizei , const GLint *) );
NV_GL_FUN( void , glUniform3iv , ( GLint , GLsizei , const GLint *) );
NV_GL_FUN( void , glUniform4iv , ( GLint , GLsizei , const GLint *) );
NV_GL_FUN( void , glUniformMatrix2fv , ( GLint , GLsizei , GLboolean , const GLfloat *) );
NV_GL_FUN( void , glUniformMatrix3fv , ( GLint , GLsizei , GLboolean , const GLfloat *) );
NV_GL_FUN( void , glUniformMatrix4fv , ( GLint , GLsizei , GLboolean , const GLfloat *) );
NV_GL_FUN( void , glValidateProgram , ( GLuint ) );
NV_GL_FUN( void , glVertexAttribPointer , ( GLuint , GLint , GLenum , GLboolean , GLsizei , const GLvoid *) );

/* OpenGL 2.1 non-deprecated functions */
NV_GL_FUN( void , glUniformMatrix2x3fv , ( GLint , GLsizei , GLboolean , const GLfloat *) );
NV_GL_FUN( void , glUniformMatrix3x2fv , ( GLint , GLsizei , GLboolean , const GLfloat *) );
NV_GL_FUN( void , glUniformMatrix2x4fv , ( GLint , GLsizei , GLboolean , const GLfloat *) );
NV_GL_FUN( void , glUniformMatrix4x2fv , ( GLint , GLsizei , GLboolean , const GLfloat *) );
NV_GL_FUN( void , glUniformMatrix3x4fv , ( GLint , GLsizei , GLboolean , const GLfloat *) );
NV_GL_FUN( void , glUniformMatrix4x3fv , ( GLint , GLsizei , GLboolean , const GLfloat *) );

#undef NV_GL_FUN

}

namespace nv {
/* Dynamic load support */
#	if defined( NV_GL_DYNAMIC )
		bool load_gl_library( const char* path = NV_GL_PATH );
#	else
		inline bool load_gl_library( const char* path = "" ) { return true; }
#	endif
}

#endif // NV_LIB_GL_HH