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fteqw/engine/gl/glsupp.h
Spoike 3250de5851 Fix csqc polygon issue (using explicit glsl that doesn't need normals). 
Added gl_texture_lodbias cvar for the luls.
Fix some serious-but-situational traceline issues.



git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5402 fc73d0e0-1445-4013-8a0c-d673dee63da5
2019-02-19 06:49:03 +00:00

942 lines
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//gl suppliment for Quake
#define APIENTRYP APIENTRY *
//contains the extra things that would otherwise be found in glext.h
//typedef void (APIENTRY *qlpMTex2FUNC) (GLenum, GLfloat, GLfloat);
//typedef void (APIENTRY *qlpMTex3FUNC) (GLenum, GLfloat, GLfloat, GLfloat);
typedef void (APIENTRY *qlpSelTexFUNC) (GLenum);
extern qlpSelTexFUNC qglActiveTextureARB;
extern qlpSelTexFUNC qglClientActiveTextureARB;
//extern qlpMTex3FUNC qglMultiTexCoord3fARB;
//extern qlpMTex2FUNC qglMultiTexCoord2fARB;
//This stuff is normally supplied in the <GL/glext.h> header file. I don't actually have one of them, so it's here instead.
#if 0 //change to 1 if you do actually have the file in question - and its up to date.
#include <GL/glext.h> //would be ideal.
#else
#ifndef GL_TEXTURE_WIDTH
#define GL_TEXTURE_WIDTH 0x1000
#endif
#ifndef GL_TEXTURE_HEIGHT
#define GL_TEXTURE_HEIGHT 0x1001
#endif
#ifndef GL_TEXTURE_INTERNAL_FORMAT
#define GL_TEXTURE_INTERNAL_FORMAT 0x1003
#endif
#ifndef GL_DEPTH_COMPONENT
#define GL_DEPTH_COMPONENT 0x1902
#endif
//#ifndef GL_VERSION_1_2
#define GL_CLAMP_TO_EDGE 0x812F
//#endif
#ifndef GL_MAX_ARRAY_TEXTURE_LAYERS
#define GL_MAX_ARRAY_TEXTURE_LAYERS 0x88FF /*opengl 3.0*/
#endif
// Added to make morphos and mingw32 crosscompilers to work
/*
./gl/gl_draw.c: In function `GL_Upload32_BGRA':
./gl/gl_draw.c:3251: error: `GL_BGRA_EXT' undeclared (first use in this function)
./gl/gl_draw.c:3251: error: (Each undeclared identifier is reported only once
./gl/gl_draw.c:3251: error: for each function it appears in.)
*/
#ifndef GL_EXT_bgra
#define GL_BGR_EXT 0x80E0 /*core in opengl 1.2*/
#define GL_BGRA_EXT 0x80E1
#endif
#ifndef GL_UNSIGNED_INT_8_8_8_8_REV
#define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367 /*opengl 1.2*/
#endif
#ifndef GL_UNSIGNED_INT_2_10_10_10_REV
#define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368 /*opengl 1.2*/
#endif
#ifndef GL_UNSIGNED_INT_5_9_9_9_REV
#define GL_UNSIGNED_INT_5_9_9_9_REV 0x8C3E /*opengl 3.0*/
#endif
#ifndef GL_UNSIGNED_SHORT_4_4_4_4_REV
#define GL_UNSIGNED_SHORT_4_4_4_4_REV 0x8365
#endif
#ifndef GL_UNSIGNED_SHORT_1_5_5_5_REV
#define GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366
#endif
#ifndef GL_UNSIGNED_SHORT_4_4_4_4
#define GL_UNSIGNED_SHORT_4_4_4_4 0x8033
#endif
#ifndef GL_UNSIGNED_SHORT_5_5_5_1
#define GL_UNSIGNED_SHORT_5_5_5_1 0x8034
#endif
#ifndef GL_UNSIGNED_SHORT_5_6_5
#define GL_UNSIGNED_SHORT_5_6_5 0x8363
#endif
#ifndef GL_HALF_FLOAT
#define GL_HALF_FLOAT 0x140B /*GL_ARB_half_float_pixel*/
#endif
#ifndef GL_HALF_FLOAT_OES
#define GL_HALF_FLOAT_OES 0x8D61 /*GL_OES_texture_half_float*/
#endif
#ifndef GL_ARB_multitexture
#define GL_ARB_multitexture 1
#define GL_TEXTURE0_ARB 0x84C0
#define GL_TEXTURE1_ARB 0x84C1
#define GL_TEXTURE2_ARB 0x84C2
#define GL_TEXTURE3_ARB 0x84C3
#define GL_TEXTURE4_ARB 0x84C4
#define GL_TEXTURE5_ARB 0x84C5
#define GL_TEXTURE6_ARB 0x84C6
#define GL_TEXTURE7_ARB 0x84C7
#define GL_TEXTURE8_ARB 0x84C8
#define GL_TEXTURE9_ARB 0x84C9
#define GL_TEXTURE10_ARB 0x84CA
#define GL_TEXTURE11_ARB 0x84CB
#define GL_TEXTURE12_ARB 0x84CC
#define GL_TEXTURE13_ARB 0x84CD
#define GL_TEXTURE14_ARB 0x84CE
#define GL_TEXTURE15_ARB 0x84CF
#define GL_TEXTURE16_ARB 0x84D0
#define GL_TEXTURE17_ARB 0x84D1
#define GL_TEXTURE18_ARB 0x84D2
#define GL_TEXTURE19_ARB 0x84D3
#define GL_TEXTURE20_ARB 0x84D4
#define GL_TEXTURE21_ARB 0x84D5
#define GL_TEXTURE22_ARB 0x84D6
#define GL_TEXTURE23_ARB 0x84D7
#define GL_TEXTURE24_ARB 0x84D8
#define GL_TEXTURE25_ARB 0x84D9
#define GL_TEXTURE26_ARB 0x84DA
#define GL_TEXTURE27_ARB 0x84DB
#define GL_TEXTURE28_ARB 0x84DC
#define GL_TEXTURE29_ARB 0x84DD
#define GL_TEXTURE30_ARB 0x84DE
#define GL_TEXTURE31_ARB 0x84DF
#define GL_ACTIVE_TEXTURE_ARB 0x84E0
#define GL_CLIENT_ACTIVE_TEXTURE_ARB 0x84E1
#define GL_MAX_TEXTURE_UNITS_ARB 0x84E2
#endif
#ifndef GL_ARB_texture_cube_map
#define GL_ARB_texture_cube_map 1
#define GL_NORMAL_MAP_ARB 0x8511
#define GL_REFLECTION_MAP_ARB 0x8512
#define GL_TEXTURE_CUBE_MAP_ARB 0x8513
#define GL_TEXTURE_BINDING_CUBE_MAP_ARB 0x8514
#define GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB 0x8515
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB 0x8516
#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB 0x8517
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB 0x8518
#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB 0x8519
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB 0x851A
#define GL_PROXY_TEXTURE_CUBE_MAP_ARB 0x851B
#define GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB 0x851C
#endif
#ifndef GL_TEXTURE_2D_ARRAY //gl 3.0 or GL_EXT_texture_array
#define GL_TEXTURE_2D_ARRAY 0x8C1A
#endif
#ifndef GL_ARB_depth_texture
#define GL_ARB_depth_texture
#define GL_DEPTH_COMPONENT16_ARB 0x81A5
#define GL_DEPTH_COMPONENT24_ARB 0x81A6
#define GL_DEPTH_COMPONENT32_ARB 0x81A7
#define GL_TEXTURE_DEPTH_SIZE_ARB 0x884A
#define GL_DEPTH_TEXTURE_MODE_ARB 0x884B
#endif
#ifndef GL_DEPTH_COMPONENT32F
#define GL_DEPTH_COMPONENT32F 0x8CAC
#endif
//GL_OES_depth_texture adds this because gles otherwise lacks it.
#ifndef GL_UNSIGNED_INT
#define GL_UNSIGNED_INT 0x1405
#endif
#ifndef GL_EXT_packed_depth_stencil
#define GL_DEPTH24_STENCIL8_EXT 0x88F0
#define GL_DEPTH_STENCIL_EXT 0x84F9
#define GL_UNSIGNED_INT_24_8_EXT 0x84FA
#endif
#ifndef GL_ARB_shadow
#define GL_ARB_shadow
#define GL_TEXTURE_COMPARE_MODE_ARB 0x884C
#define GL_TEXTURE_COMPARE_FUNC_ARB 0x884D
#define GL_COMPARE_R_TO_TEXTURE_ARB 0x884E
#endif
#ifndef GL_EXT_texture3D
#define GL_EXT_texture3D 1
#define GL_PACK_SKIP_IMAGES 0x806B
#define GL_PACK_SKIP_IMAGES_EXT 0x806B
#define GL_PACK_IMAGE_HEIGHT 0x806C
#define GL_PACK_IMAGE_HEIGHT_EXT 0x806C
#define GL_UNPACK_SKIP_IMAGES 0x806D
#define GL_UNPACK_SKIP_IMAGES_EXT 0x806D
#define GL_UNPACK_IMAGE_HEIGHT 0x806E
#define GL_UNPACK_IMAGE_HEIGHT_EXT 0x806E
#define GL_TEXTURE_3D 0x806F
#define GL_TEXTURE_3D_EXT 0x806F
#define GL_PROXY_TEXTURE_3D 0x8070
#define GL_PROXY_TEXTURE_3D_EXT 0x8070
#define GL_TEXTURE_DEPTH 0x8071
#define GL_TEXTURE_DEPTH_EXT 0x8071
#define GL_TEXTURE_WRAP_R 0x8072
#define GL_TEXTURE_WRAP_R_EXT 0x8072
#define GL_MAX_3D_TEXTURE_SIZE 0x8073
#define GL_MAX_3D_TEXTURE_SIZE_EXT 0x8073
#endif
//some of these were needed.
//They were also not in the ones I could find on the web.
//GL_ARB_texture_env_combine
#define GL_COMBINE_ARB 0x8570
#define GL_COMBINE_RGB_ARB 0x8571
#define GL_COMBINE_ALPHA_ARB 0x8572
#define GL_SOURCE0_RGB_ARB 0x8580
#define GL_SOURCE1_RGB_ARB 0x8581
#define GL_SOURCE2_RGB_ARB 0x8582
#define GL_SOURCE0_ALPHA_ARB 0x8588
#define GL_SOURCE1_ALPHA_ARB 0x8589
#define GL_SOURCE2_ALPHA_ARB 0x858A
#define GL_OPERAND0_RGB_ARB 0x8590
#define GL_OPERAND1_RGB_ARB 0x8591
#define GL_OPERAND2_RGB_ARB 0x8592
#define GL_OPERAND0_ALPHA_ARB 0x8598
#define GL_OPERAND1_ALPHA_ARB 0x8599
#define GL_OPERAND2_ALPHA_ARB 0x859A
#define GL_RGB_SCALE_ARB 0x8573
#define GL_ADD_SIGNED_ARB 0x8574
#define GL_INTERPOLATE_ARB 0x8575
#define GL_SUBTRACT_ARB 0x84E7
#define GL_CONSTANT_ARB 0x8576
#define GL_PRIMARY_COLOR_ARB 0x8577
#define GL_PREVIOUS_ARB 0x8578
#define GL_DOT3_RGB_ARB 0x86AE
#define GL_DOT3_RGBA_ARB 0x86AF
//GL_EXT_texture_env_combine
#define GL_COMBINE_EXT 0x8570
#define GL_COMBINE_RGB_EXT 0x8571
#define GL_COMBINE_ALPHA_EXT 0x8572
#define GL_SOURCE0_RGB_EXT 0x8580
#define GL_SOURCE1_RGB_EXT 0x8581
#define GL_SOURCE2_RGB_EXT 0x8582
#define GL_SOURCE0_ALPHA_EXT 0x8588
#define GL_SOURCE1_ALPHA_EXT 0x8589
#define GL_SOURCE2_ALPHA_EXT 0x858A
#define GL_OPERAND0_RGB_EXT 0x8590
#define GL_OPERAND1_RGB_EXT 0x8591
#define GL_OPERAND2_RGB_EXT 0x8592
#define GL_OPERAND0_ALPHA_EXT 0x8598
#define GL_OPERAND1_ALPHA_EXT 0x8599
#define GL_OPERAND2_ALPHA_EXT 0x859A
#define GL_RGB_SCALE_EXT 0x8573
#define GL_ADD_SIGNED_EXT 0x8574
#define GL_INTERPOLATE_EXT 0x8575
#define GL_CONSTANT_EXT 0x8576
#define GL_PRIMARY_COLOR_EXT 0x8577
#define GL_PREVIOUS_EXT 0x8578
//GL_NV_texture_env_combine4
#define GL_COMBINE4_NV 0x8503
#define GL_SOURCE3_RGB_NV 0x8583
#define GL_SOURCE3_ALPHA_NV 0x858B
#define GL_OPERAND3_RGB_NV 0x8593
#define GL_OPERAND3_ALPHA_NV 0x859B
/* GL_ARB_texture_compression */
#ifndef GL_ARB_texture_compression
#define GL_ARB_texture_compression 1
#define GL_COMPRESSED_ALPHA_ARB 0x84E9
#define GL_COMPRESSED_LUMINANCE_ARB 0x84EA
#define GL_COMPRESSED_LUMINANCE_ALPHA_ARB 0x84EB
#define GL_COMPRESSED_INTENSITY_ARB 0x84EC
#define GL_COMPRESSED_RGB_ARB 0x84ED
#define GL_COMPRESSED_RGBA_ARB 0x84EE
#define GL_TEXTURE_COMPRESSION_HINT_ARB 0x84EF
#define GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB 0x86A0
#define GL_TEXTURE_COMPRESSED_ARB 0x86A1
#define GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB 0x86A2
#define GL_COMPRESSED_TEXTURE_FORMATS_ARB 0x86A3
typedef void (APIENTRY *PFNGLCOMPRESSEDTEXIMAGE3DARBPROC) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid* data);
typedef void (APIENTRY *PFNGLCOMPRESSEDTEXIMAGE2DARBPROC) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid* data);
typedef void (APIENTRY *PFNGLCOMPRESSEDTEXIMAGE1DARBPROC) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLint border, GLsizei imageSize, const GLvoid* data);
typedef void (APIENTRY *PFNGLCOMPRESSEDTEXSUBIMAGE3DARBPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid* data);
typedef void (APIENTRY *PFNGLCOMPRESSEDTEXSUBIMAGE2DARBPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid* data);
typedef void (APIENTRY *PFNGLCOMPRESSEDTEXSUBIMAGE1DARBPROC) (GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const GLvoid* data);
typedef void (APIENTRY *PFNGLGETCOMPRESSEDTEXIMAGEARBPROC) (GLenum target, GLint lod, const GLvoid* img);
#endif /* GL_ARB_texture_compression */
#ifndef GL_ATI_pn_triangles //ati truform
#define GL_PN_TRIANGLES_ATI 0x87F0
#define GL_MAX_PN_TRIANGLES_TESSELATION_LEVEL_ATI 0x87F1
#define GL_PN_TRIANGLES_POINT_MODE_ATI 0x87F2
#define GL_PN_TRIANGLES_NORMAL_MODE_ATI 0x87F3
#define GL_PN_TRIANGLES_TESSELATION_LEVEL_ATI 0x87F4
#define GL_PN_TRIANGLES_POINT_MODE_LINEAR_ATI 0x87F5
#define GL_PN_TRIANGLES_POINT_MODE_CUBIC_ATI 0x87F6
#define GL_PN_TRIANGLES_NORMAL_MODE_LINEAR_ATI 0x87F7
#define GL_PN_TRIANGLES_NORMAL_MODE_QUADRATIC_ATI 0x87F8
typedef void (APIENTRY *PFNGLPNTRIANGLESIATIPROC)(GLenum pname, GLint param);
typedef void (APIENTRY *PFNGLPNTRIANGLESFATIPROC)(GLenum pname, GLfloat param);
#endif
#ifndef GL_EXT_depth_bounds_test
#define GL_EXT_depth_bounds_test 1
#define GL_DEPTH_BOUNDS_TEST_EXT 0x8890
#endif
#ifndef GL_EXT_stencil_two_side
#define GL_EXT_stencil_two_side 1
#define GL_STENCIL_TEST_TWO_SIDE_EXT 0x8910
#define GL_ACTIVE_STENCIL_FACE_EXT 0x8911
typedef void (APIENTRY * PFNGLACTIVESTENCILFACEEXTPROC) (GLenum face);
#endif
#ifndef GL_EXT_stencil_wrap
#define GL_EXT_stencil_wrap 1
#define GL_INCR_WRAP_EXT 0x8507
#define GL_DECR_WRAP_EXT 0x8508
#endif
#ifndef GL_EXT_texture_filter_anisotropic
#define GL_EXT_texture_filter_anisotropic 1
#define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
#define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
#endif
#ifndef GL_ARB_vertex_program
#define GL_COLOR_SUM_ARB 0x8458
#define GL_VERTEX_PROGRAM_ARB 0x8620
#define GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB 0x8622
#define GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB 0x8623
#define GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB 0x8624
#define GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB 0x8625
#define GL_CURRENT_VERTEX_ATTRIB_ARB 0x8626
#define GL_PROGRAM_LENGTH_ARB 0x8627
#define GL_PROGRAM_STRING_ARB 0x8628
#define GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB 0x862E
#define GL_MAX_PROGRAM_MATRICES_ARB 0x862F
#define GL_CURRENT_MATRIX_STACK_DEPTH_ARB 0x8640
#define GL_CURRENT_MATRIX_ARB 0x8641
#define GL_VERTEX_PROGRAM_POINT_SIZE_ARB 0x8642
#define GL_VERTEX_PROGRAM_TWO_SIDE_ARB 0x8643
#define GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB 0x8645
#define GL_PROGRAM_ERROR_POSITION_ARB 0x864B
#define GL_PROGRAM_BINDING_ARB 0x8677
#define GL_MAX_VERTEX_ATTRIBS_ARB 0x8869
#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB 0x886A
#define GL_PROGRAM_ERROR_STRING_ARB 0x8874
#define GL_PROGRAM_FORMAT_ASCII_ARB 0x8875
#define GL_PROGRAM_FORMAT_ARB 0x8876
#define GL_PROGRAM_INSTRUCTIONS_ARB 0x88A0
#define GL_MAX_PROGRAM_INSTRUCTIONS_ARB 0x88A1
#define GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB 0x88A2
#define GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB 0x88A3
#define GL_PROGRAM_TEMPORARIES_ARB 0x88A4
#define GL_MAX_PROGRAM_TEMPORARIES_ARB 0x88A5
#define GL_PROGRAM_NATIVE_TEMPORARIES_ARB 0x88A6
#define GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB 0x88A7
#define GL_PROGRAM_PARAMETERS_ARB 0x88A8
#define GL_MAX_PROGRAM_PARAMETERS_ARB 0x88A9
#define GL_PROGRAM_NATIVE_PARAMETERS_ARB 0x88AA
#define GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB 0x88AB
#define GL_PROGRAM_ATTRIBS_ARB 0x88AC
#define GL_MAX_PROGRAM_ATTRIBS_ARB 0x88AD
#define GL_PROGRAM_NATIVE_ATTRIBS_ARB 0x88AE
#define GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB 0x88AF
#define GL_PROGRAM_ADDRESS_REGISTERS_ARB 0x88B0
#define GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB 0x88B1
#define GL_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB 0x88B2
#define GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB 0x88B3
#define GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB 0x88B4
#define GL_MAX_PROGRAM_ENV_PARAMETERS_ARB 0x88B5
#define GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB 0x88B6
#define GL_TRANSPOSE_CURRENT_MATRIX_ARB 0x88B7
#define GL_MATRIX0_ARB 0x88C0
#define GL_MATRIX1_ARB 0x88C1
#define GL_MATRIX2_ARB 0x88C2
#define GL_MATRIX3_ARB 0x88C3
#define GL_MATRIX4_ARB 0x88C4
#define GL_MATRIX5_ARB 0x88C5
#define GL_MATRIX6_ARB 0x88C6
#define GL_MATRIX7_ARB 0x88C7
#define GL_MATRIX8_ARB 0x88C8
#define GL_MATRIX9_ARB 0x88C9
#define GL_MATRIX10_ARB 0x88CA
#define GL_MATRIX11_ARB 0x88CB
#define GL_MATRIX12_ARB 0x88CC
#define GL_MATRIX13_ARB 0x88CD
#define GL_MATRIX14_ARB 0x88CE
#define GL_MATRIX15_ARB 0x88CF
#define GL_MATRIX16_ARB 0x88D0
#define GL_MATRIX17_ARB 0x88D1
#define GL_MATRIX18_ARB 0x88D2
#define GL_MATRIX19_ARB 0x88D3
#define GL_MATRIX20_ARB 0x88D4
#define GL_MATRIX21_ARB 0x88D5
#define GL_MATRIX22_ARB 0x88D6
#define GL_MATRIX23_ARB 0x88D7
#define GL_MATRIX24_ARB 0x88D8
#define GL_MATRIX25_ARB 0x88D9
#define GL_MATRIX26_ARB 0x88DA
#define GL_MATRIX27_ARB 0x88DB
#define GL_MATRIX28_ARB 0x88DC
#define GL_MATRIX29_ARB 0x88DD
#define GL_MATRIX30_ARB 0x88DE
#define GL_MATRIX31_ARB 0x88DF
#endif
#ifndef GL_ARB_fragment_program
#define GL_FRAGMENT_PROGRAM_ARB 0x8804
#define GL_PROGRAM_ALU_INSTRUCTIONS_ARB 0x8805
#define GL_PROGRAM_TEX_INSTRUCTIONS_ARB 0x8806
#define GL_PROGRAM_TEX_INDIRECTIONS_ARB 0x8807
#define GL_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB 0x8808
#define GL_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB 0x8809
#define GL_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB 0x880A
#define GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB 0x880B
#define GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB 0x880C
#define GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB 0x880D
#define GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB 0x880E
#define GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB 0x880F
#define GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB 0x8810
#define GL_MAX_TEXTURE_COORDS_ARB 0x8871
#define GL_MAX_TEXTURE_IMAGE_UNITS_ARB 0x8872
#endif
#ifndef GL_ARB_vertex_program
#define GL_ARB_vertex_program 1
//typedef void (APIENTRYP PFNGLVERTEXATTRIB1DARBPROC) (GLuint index, GLdouble x);
//typedef void (APIENTRYP PFNGLVERTEXATTRIB1DVARBPROC) (GLuint index, const GLdouble *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB1FARBPROC) (GLuint index, GLfloat x);
typedef void (APIENTRYP PFNGLVERTEXATTRIB1FVARBPROC) (GLuint index, const GLfloat *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB1SARBPROC) (GLuint index, GLshort x);
typedef void (APIENTRYP PFNGLVERTEXATTRIB1SVARBPROC) (GLuint index, const GLshort *v);
//typedef void (APIENTRYP PFNGLVERTEXATTRIB2DARBPROC) (GLuint index, GLdouble x, GLdouble y);
//typedef void (APIENTRYP PFNGLVERTEXATTRIB2DVARBPROC) (GLuint index, const GLdouble *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB2FARBPROC) (GLuint index, GLfloat x, GLfloat y);
typedef void (APIENTRYP PFNGLVERTEXATTRIB2FVARBPROC) (GLuint index, const GLfloat *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB2SARBPROC) (GLuint index, GLshort x, GLshort y);
typedef void (APIENTRYP PFNGLVERTEXATTRIB2SVARBPROC) (GLuint index, const GLshort *v);
//typedef void (APIENTRYP PFNGLVERTEXATTRIB3DARBPROC) (GLuint index, GLdouble x, GLdouble y, GLdouble z);
//typedef void (APIENTRYP PFNGLVERTEXATTRIB3DVARBPROC) (GLuint index, const GLdouble *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB3FARBPROC) (GLuint index, GLfloat x, GLfloat y, GLfloat z);
typedef void (APIENTRYP PFNGLVERTEXATTRIB3FVARBPROC) (GLuint index, const GLfloat *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB3SARBPROC) (GLuint index, GLshort x, GLshort y, GLshort z);
typedef void (APIENTRYP PFNGLVERTEXATTRIB3SVARBPROC) (GLuint index, const GLshort *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4NBVARBPROC) (GLuint index, const GLbyte *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4NIVARBPROC) (GLuint index, const GLint *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4NSVARBPROC) (GLuint index, const GLshort *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4NUBARBPROC) (GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4NUBVARBPROC) (GLuint index, const GLubyte *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4NUIVARBPROC) (GLuint index, const GLuint *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4NUSVARBPROC) (GLuint index, const GLushort *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4BVARBPROC) (GLuint index, const GLbyte *v);
//typedef void (APIENTRYP PFNGLVERTEXATTRIB4DARBPROC) (GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w);
//typedef void (APIENTRYP PFNGLVERTEXATTRIB4DVARBPROC) (GLuint index, const GLdouble *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4FARBPROC) (GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4FVARBPROC) (GLuint index, const GLfloat *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4IVARBPROC) (GLuint index, const GLint *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4SARBPROC) (GLuint index, GLshort x, GLshort y, GLshort z, GLshort w);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4SVARBPROC) (GLuint index, const GLshort *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4UBVARBPROC) (GLuint index, const GLubyte *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4UIVARBPROC) (GLuint index, const GLuint *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIB4USVARBPROC) (GLuint index, const GLushort *v);
typedef void (APIENTRYP PFNGLVERTEXATTRIBPOINTERARBPROC) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
typedef void (APIENTRYP PFNGLENABLEVERTEXATTRIBARRAYARBPROC) (GLuint index);
typedef void (APIENTRYP PFNGLDISABLEVERTEXATTRIBARRAYARBPROC) (GLuint index);
typedef void (APIENTRYP PFNGLPROGRAMSTRINGARBPROC) (GLenum target, GLenum format, GLsizei len, const GLvoid *string);
typedef void (APIENTRYP PFNGLBINDPROGRAMARBPROC) (GLenum target, GLuint program);
typedef void (APIENTRYP PFNGLDELETEPROGRAMSARBPROC) (GLsizei n, const GLuint *programs);
typedef void (APIENTRYP PFNGLGENPROGRAMSARBPROC) (GLsizei n, GLuint *programs);
//typedef void (APIENTRYP PFNGLPROGRAMENVPARAMETER4DARBPROC) (GLenum target, GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w);
//typedef void (APIENTRYP PFNGLPROGRAMENVPARAMETER4DVARBPROC) (GLenum target, GLuint index, const GLdouble *params);
typedef void (APIENTRYP PFNGLPROGRAMENVPARAMETER4FARBPROC) (GLenum target, GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
typedef void (APIENTRYP PFNGLPROGRAMENVPARAMETER4FVARBPROC) (GLenum target, GLuint index, const GLfloat *params);
//typedef void (APIENTRYP PFNGLPROGRAMLOCALPARAMETER4DARBPROC) (GLenum target, GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w);
//typedef void (APIENTRYP PFNGLPROGRAMLOCALPARAMETER4DVARBPROC) (GLenum target, GLuint index, const GLdouble *params);
typedef void (APIENTRYP PFNGLPROGRAMLOCALPARAMETER4FARBPROC) (GLenum target, GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
typedef void (APIENTRYP PFNGLPROGRAMLOCALPARAMETER4FVARBPROC) (GLenum target, GLuint index, const GLfloat *params);
//typedef void (APIENTRYP PFNGLGETPROGRAMENVPARAMETERDVARBPROC) (GLenum target, GLuint index, GLdouble *params);
typedef void (APIENTRYP PFNGLGETPROGRAMENVPARAMETERFVARBPROC) (GLenum target, GLuint index, GLfloat *params);
//typedef void (APIENTRYP PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC) (GLenum target, GLuint index, GLdouble *params);
typedef void (APIENTRYP PFNGLGETPROGRAMLOCALPARAMETERFVARBPROC) (GLenum target, GLuint index, GLfloat *params);
typedef void (APIENTRYP PFNGLGETPROGRAMIVARBPROC) (GLenum target, GLenum pname, GLint *params);
typedef void (APIENTRYP PFNGLGETPROGRAMSTRINGARBPROC) (GLenum target, GLenum pname, GLvoid *string);
//typedef void (APIENTRYP PFNGLGETVERTEXATTRIBDVARBPROC) (GLuint index, GLenum pname, GLdouble *params);
typedef void (APIENTRYP PFNGLGETVERTEXATTRIBFVARBPROC) (GLuint index, GLenum pname, GLfloat *params);
typedef void (APIENTRYP PFNGLGETVERTEXATTRIBIVARBPROC) (GLuint index, GLenum pname, GLint *params);
typedef void (APIENTRYP PFNGLGETVERTEXATTRIBPOINTERVARBPROC) (GLuint index, GLenum pname, GLvoid* *pointer);
typedef GLboolean (APIENTRYP PFNGLISPROGRAMARBPROC) (GLuint program);
#endif
#ifndef GL_ARB_fragment_program
#define GL_ARB_fragment_program 1
/* All ARB_fragment_program entry points are shared with ARB_vertex_program. */
#endif
#ifndef GL_ARB_shader_objects
#define GL_ARB_shader_objects 1
#define GL_PROGRAM_OBJECT_ARB 0x8B40
#define GL_OBJECT_TYPE_ARB 0x8B4E
#define GL_OBJECT_SUBTYPE_ARB 0x8B4F
#define GL_OBJECT_DELETE_STATUS_ARB 0x8B80
#define GL_OBJECT_COMPILE_STATUS_ARB 0x8B81
#define GL_OBJECT_LINK_STATUS_ARB 0x8B82
#define GL_OBJECT_VALIDATE_STATUS_ARB 0x8B83
#define GL_OBJECT_INFO_LOG_LENGTH_ARB 0x8B84
#define GL_OBJECT_ATTACHED_OBJECTS_ARB 0x8B85
#define GL_OBJECT_ACTIVE_UNIFORMS_ARB 0x8B86
#define GL_OBJECT_ACTIVE_UNIFORM_MAX_LENGTH_ARB 0x8B87
#define GL_OBJECT_SHADER_SOURCE_LENGTH_ARB 0x8B88
#define GL_SHADER_OBJECT_ARB 0x8B48
#define GL_FLOAT 0x1406
#define GL_FLOAT_VEC2_ARB 0x8B50
#define GL_FLOAT_VEC3_ARB 0x8B51
#define GL_FLOAT_VEC4_ARB 0x8B52
//#define GL_INT 0x1404
#define GL_INT_VEC2_ARB 0x8B53
#define GL_INT_VEC3_ARB 0x8B54
#define GL_INT_VEC4_ARB 0x8B55
#define GL_BOOL_ARB 0x8B56
#define GL_BOOL_VEC2_ARB 0x8B57
#define GL_BOOL_VEC3_ARB 0x8B58
#define GL_BOOL_VEC4_ARB 0x8B59
#define GL_FLOAT_MAT2_ARB 0x8B5A
#define GL_FLOAT_MAT3_ARB 0x8B5B
#define GL_FLOAT_MAT4_ARB 0x8B5C
#define GL_SAMPLER_1D_ARB 0x8B5D
#define GL_SAMPLER_2D_ARB 0x8B5E
#define GL_SAMPLER_3D_ARB 0x8B5F
#define GL_SAMPLER_CUBE_ARB 0x8B60
#define GL_SAMPLER_1D_SHADOW_ARB 0x8B61
#define GL_SAMPLER_2D_SHADOW_ARB 0x8B62
#define GL_SAMPLER_2D_RECT_ARB 0x8B63
#define GL_SAMPLER_2D_RECT_SHADOW_ARB 0x8B64
// dont know if these two should go somewhere better:
typedef unsigned int GLhandleARB;
typedef char GLcharARB;
typedef void (APIENTRYP PFNGLDELETEOBJECTARBPROC) (GLhandleARB obj);
typedef GLhandleARB (APIENTRYP PFNGLGETHANDLEARBPROC) (GLenum pname);
typedef void (APIENTRYP PFNGLDETACHOBJECTARBPROC) (GLhandleARB containerObj, GLhandleARB attachedObj);
typedef GLhandleARB (APIENTRYP PFNGLCREATESHADEROBJECTARBPROC) (GLenum shaderType);
typedef void (APIENTRYP PFNGLSHADERSOURCEARBPROC) (GLhandleARB shaderObj, GLsizei count, const GLcharARB* *string, const GLint *length);
typedef void (APIENTRYP PFNGLCOMPILESHADERARBPROC) (GLhandleARB shaderObj);
typedef GLhandleARB (APIENTRYP PFNGLCREATEPROGRAMOBJECTARBPROC) (void);
typedef void (APIENTRYP PFNGLATTACHOBJECTARBPROC) (GLhandleARB containerObj, GLhandleARB obj);
typedef void (APIENTRYP PFNGLLINKPROGRAMARBPROC) (GLhandleARB programObj);
typedef void (APIENTRYP PFNGLUSEPROGRAMOBJECTARBPROC) (GLhandleARB programObj);
typedef void (APIENTRYP PFNGLVALIDATEPROGRAMARBPROC) (GLhandleARB programObj);
typedef void (APIENTRYP PFNGLUNIFORM1FARBPROC) (GLint location, GLfloat v0);
typedef void (APIENTRYP PFNGLUNIFORM2FARBPROC) (GLint location, GLfloat v0, GLfloat v1);
typedef void (APIENTRYP PFNGLUNIFORM3FARBPROC) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
typedef void (APIENTRYP PFNGLUNIFORM4FARBPROC) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
typedef void (APIENTRYP PFNGLUNIFORM1IARBPROC) (GLint location, GLint v0);
typedef void (APIENTRYP PFNGLUNIFORM2IARBPROC) (GLint location, GLint v0, GLint v1);
typedef void (APIENTRYP PFNGLUNIFORM3IARBPROC) (GLint location, GLint v0, GLint v1, GLint v2);
typedef void (APIENTRYP PFNGLUNIFORM4IARBPROC) (GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
typedef void (APIENTRYP PFNGLUNIFORM1FVARBPROC) (GLint location, GLsizei count, GLfloat *value);
typedef void (APIENTRYP PFNGLUNIFORM2FVARBPROC) (GLint location, GLsizei count, GLfloat *value);
typedef void (APIENTRYP PFNGLUNIFORM3FVARBPROC) (GLint location, GLsizei count, GLfloat *value);
typedef void (APIENTRYP PFNGLUNIFORM4FVARBPROC) (GLint location, GLsizei count, GLfloat *value);
typedef void (APIENTRYP PFNGLUNIFORM1IVARBPROC) (GLint location, GLsizei count, GLint *value);
typedef void (APIENTRYP PFNGLUNIFORM2IVARBPROC) (GLint location, GLsizei count, GLint *value);
typedef void (APIENTRYP PFNGLUNIFORM3IVARBPROC) (GLint location, GLsizei count, GLint *value);
typedef void (APIENTRYP PFNGLUNIFORM4IVARBPROC) (GLint location, GLsizei count, GLint *value);
typedef void (APIENTRYP PFNGLUNIFORMMATRIX2FVARBPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
typedef void (APIENTRYP PFNGLUNIFORMMATRIX3FVARBPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
typedef void (APIENTRYP PFNGLUNIFORMMATRIX4FVARBPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
typedef void (APIENTRYP PFNGLGETOBJECTPARAMETERFVARBPROC) (GLhandleARB obj, GLenum pname, GLfloat *params);
typedef void (APIENTRYP PFNGLGETOBJECTPARAMETERIVARBPROC) (GLhandleARB obj, GLenum pname, GLint *params);
typedef void (APIENTRYP PFNGLGETINFOLOGARBPROC) (GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog);
typedef void (APIENTRYP PFNGLGETATTACHEDOBJECTSARB) (GLhandleARB containerObj, GLsizei maxCount, GLsizei *count, GLhandleARB *obj);
typedef GLint (APIENTRYP PFNGLGETUNIFORMLOCATIONARBPROC) (GLhandleARB programObj, const GLcharARB *name);
typedef void (APIENTRYP PFNGLGETACTIVEUNIFORMARBPROC) (GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLsizei *size, GLenum *type, GLcharARB *name);
typedef void (APIENTRYP PFNGLGETUNIFORMFVARBPROC) (GLhandleARB programObj, GLint location, GLfloat *parms);
typedef void (APIENTRYP PFNGLGETUNIFORMIVARBPROC) (GLhandleARB programObj, GLint location, GLint *parms);
typedef void (APIENTRYP PFNGLGETSHADERSOURCEARBPROC) (GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *source);
#endif // GL_ARB_shader_objects
#ifndef GL_ARB_vertex_shader
#define GL_VERTEX_SHADER_ARB 0x8B31
#define GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB 0x8B4A
#define GL_MAX_VARYING_FLOATS_ARB 0x8B4B
#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB 0x8B4C
#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB 0x8B4D
#define GL_OBJECT_ACTIVE_ATTRIBUTES_ARB 0x8B89
#define GL_OBJECT_ACTIVE_ATTRIBUTE_MAX_LENGTH_ARB 0x8B8A
#endif
#ifndef GL_GEOMETRY_SHADER_ARB
#define GL_GEOMETRY_SHADER_ARB 0x8DD9
#endif
#ifndef GL_PATCH_VERTICES_ARB //GL_ARB_tessellation_shader lacks _ARB postfix.
#define GL_PATCHES_ARB 0xE
#define GL_PATCH_VERTICES_ARB 0x8E72
#define GL_TESS_EVALUATION_SHADER_ARB 0x8E87
#define GL_TESS_CONTROL_SHADER_ARB 0x8E88
#endif
#ifndef GL_ARB_fragment_shader
#define GL_FRAGMENT_SHADER_ARB 0x8B30
#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB 0x8B49
#endif
#define WGL_SAMPLE_BUFFERS_ARB 0x2041
#define WGL_SAMPLES_ARB 0x2042
#define GL_MULTISAMPLE_ARB 0x809D
#ifndef GL_FRAMEBUFFER_SRGB
#define GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20B2
#define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20A9
#define GL_FRAMEBUFFER_SRGB 0x8DB9
#endif
#ifndef GL_FRAMEBUFFER_SRGB_CAPABLE_EXT
#define GL_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x8DBA
#endif
#ifndef GL_COMPRESSED_RGB_S3TC_DXT1_EXT
#define GL_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0
#define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
#define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
#define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
#endif
#ifndef GL_COMPRESSED_RED_RGTC1
#define GL_COMPRESSED_RED_RGTC1 0x8DBB
#define GL_COMPRESSED_SIGNED_RED_RGTC1 0x8DBC
#define GL_COMPRESSED_RG_RGTC2 0x8DBD
#define GL_COMPRESSED_SIGNED_RG_RGTC2 0x8DBE
#endif
#ifndef GL_COMPRESSED_RGBA_BPTC_UNORM_ARB
#define GL_COMPRESSED_RGBA_BPTC_UNORM_ARB 0x8E8C
#define GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB 0x8E8D
#define GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB 0x8E8E
#define GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB 0x8E8F
#endif
#ifndef GL_EXT_texture_sRGB
#define GL_EXT_texture_sRGB 1
#define GL_SRGB_EXT 0x8C40
#define GL_SRGB8_EXT 0x8C41
#define GL_SRGB_ALPHA_EXT 0x8C42
#define GL_SRGB8_ALPHA8_EXT 0x8C43
#define GL_SLUMINANCE_ALPHA_EXT 0x8C44
#define GL_SLUMINANCE8_ALPHA8_EXT 0x8C45
#define GL_SLUMINANCE_EXT 0x8C46
#define GL_SLUMINANCE8_EXT 0x8C47
#define GL_COMPRESSED_SRGB_EXT 0x8C48
#define GL_COMPRESSED_SRGB_ALPHA_EXT 0x8C49
#define GL_COMPRESSED_SLUMINANCE_EXT 0x8C4A
#define GL_COMPRESSED_SLUMINANCE_ALPHA_EXT 0x8C4B
#define GL_COMPRESSED_SRGB_S3TC_DXT1_EXT 0x8C4C
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT 0x8C4D
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT 0x8C4E
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT 0x8C4F
#endif /* GL_EXT_texture_sRGB */
#ifndef GL_RG
#define GL_RG 0x8227
#define GL_RGB9_E5 0x8C3D /*opengl 3.0*/
#define GL_R8 0x8229 /*opengl 3.0*/
#define GL_R16 0x822A /*opengl 3.0*/
#define GL_RG8 0x822B /*opengl 3.0*/
#endif
#ifndef GL_RG8_SNORM
#define GL_R8_SNORM 0x8F94 /*opengl 3.1*/
#define GL_RG8_SNORM 0x8F95 /*opengl 3.1*/
#endif
#ifndef GL_TEXTURE_SWIZZLE_R
#define GL_TEXTURE_SWIZZLE_R 0x8E42
#define GL_TEXTURE_SWIZZLE_G 0x8E43
#define GL_TEXTURE_SWIZZLE_B 0x8E44
#define GL_TEXTURE_SWIZZLE_A 0x8E45
#endif
#ifndef GL_ETC1_RGB8_OES
#define GL_ETC1_RGB8_OES 0x8D64 //4*4 blocks of 8 bytes
#endif
#ifndef GL_COMPRESSED_RGB8_ETC2
#define GL_COMPRESSED_R11_EAC 0x9270
#define GL_COMPRESSED_SIGNED_R11_EAC 0x9271
#define GL_COMPRESSED_RG11_EAC 0x9272
#define GL_COMPRESSED_SIGNED_RG11_EAC 0x9273
#define GL_COMPRESSED_RGB8_ETC2 0x9274 //4*4 blocks of 8 bytes. also accepts valid etc1 images
#define GL_COMPRESSED_SRGB8_ETC2 0x9275
#define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276 //
#define GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277
#define GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278 //4*4 blocks of 8+8 bytes.
#define GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279
#endif
#ifndef GL_COMPRESSED_RGBA_ASTC_4x4_KHR
#define GL_COMPRESSED_RGBA_ASTC_4x4_KHR 0x93B0
#define GL_COMPRESSED_RGBA_ASTC_5x4_KHR 0x93B1
#define GL_COMPRESSED_RGBA_ASTC_5x5_KHR 0x93B2
#define GL_COMPRESSED_RGBA_ASTC_6x5_KHR 0x93B3
#define GL_COMPRESSED_RGBA_ASTC_6x6_KHR 0x93B4
#define GL_COMPRESSED_RGBA_ASTC_8x5_KHR 0x93B5
#define GL_COMPRESSED_RGBA_ASTC_8x6_KHR 0x93B6
#define GL_COMPRESSED_RGBA_ASTC_8x8_KHR 0x93B7
#define GL_COMPRESSED_RGBA_ASTC_10x5_KHR 0x93B8
#define GL_COMPRESSED_RGBA_ASTC_10x6_KHR 0x93B9
#define GL_COMPRESSED_RGBA_ASTC_10x8_KHR 0x93BA
#define GL_COMPRESSED_RGBA_ASTC_10x10_KHR 0x93BB
#define GL_COMPRESSED_RGBA_ASTC_12x10_KHR 0x93BC
#define GL_COMPRESSED_RGBA_ASTC_12x12_KHR 0x93BD
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR 0x93D0
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR 0x93D1
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR 0x93D2
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR 0x93D3
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR 0x93D4
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR 0x93D5
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR 0x93D6
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR 0x93D7
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR 0x93D8
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR 0x93D9
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR 0x93DA
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR 0x93DB
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR 0x93DC
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR 0x93DD
#endif
#ifndef GL_ARB_pixel_buffer_object
#define GL_PIXEL_PACK_BUFFER_ARB 0x88EB
#define GL_PIXEL_UNPACK_BUFFER_ARB 0x88EC
#endif
#ifndef GL_ARB_vertex_buffer_object
#define GL_BUFFER_SIZE_ARB 0x8764
#define GL_BUFFER_USAGE_ARB 0x8765
#define GL_ARRAY_BUFFER_ARB 0x8892
#define GL_ELEMENT_ARRAY_BUFFER_ARB 0x8893
#define GL_ARRAY_BUFFER_BINDING_ARB 0x8894
#define GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB 0x8895
#define GL_VERTEX_ARRAY_BUFFER_BINDING_ARB 0x8896
#define GL_NORMAL_ARRAY_BUFFER_BINDING_ARB 0x8897
#define GL_COLOR_ARRAY_BUFFER_BINDING_ARB 0x8898
#define GL_INDEX_ARRAY_BUFFER_BINDING_ARB 0x8899
#define GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB 0x889A
#define GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB 0x889B
#define GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB 0x889C
#define GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB 0x889D
#define GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB 0x889E
#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB 0x889F
#define GL_READ_ONLY_ARB 0x88B8
#define GL_WRITE_ONLY_ARB 0x88B9
#define GL_READ_WRITE_ARB 0x88BA
#define GL_BUFFER_ACCESS_ARB 0x88BB
#define GL_BUFFER_MAPPED_ARB 0x88BC
#define GL_BUFFER_MAP_POINTER_ARB 0x88BD
#define GL_STREAM_DRAW_ARB 0x88E0
#define GL_STREAM_READ_ARB 0x88E1
#define GL_STREAM_COPY_ARB 0x88E2
#define GL_STATIC_DRAW_ARB 0x88E4
#define GL_STATIC_READ_ARB 0x88E5
#define GL_STATIC_COPY_ARB 0x88E6
#define GL_DYNAMIC_DRAW_ARB 0x88E8
#define GL_DYNAMIC_READ_ARB 0x88E9
#define GL_DYNAMIC_COPY_ARB 0x88EA
#endif
#ifndef GL_SGIS_generate_mipmap
#define GL_SGIS_generate_mipmap 1
#define GL_GENERATE_MIPMAP_SGIS 0x8191
#define GL_GENERATE_MIPMAP_HINT_SGIS 0x8192
#endif
#ifndef GL_EXT_compiled_vertex_array
#define GL_ARRAY_ELEMENT_LOCK_FIRST_EXT 0x81A8
#define GL_ARRAY_ELEMENT_LOCK_COUNT_EXT 0x81A9
#define GL_EXT_compiled_vertex_array 1
#ifdef GL_GLEXT_PROTOTYPES
extern void APIENTRY glLockArraysEXT (GLint, GLsizei);
extern void APIENTRY glUnlockArraysEXT (void);
#endif /* GL_GLEXT_PROTOTYPES */
typedef void (APIENTRY * PFNGLLOCKARRAYSEXTPROC) (GLint first, GLsizei count);
typedef void (APIENTRY * PFNGLUNLOCKARRAYSEXTPROC) (void);
#endif
#ifndef GL_EXT_framebuffer_object
#define GL_INVALID_FRAMEBUFFER_OPERATION_EXT 0x0506
#define GL_MAX_RENDERBUFFER_SIZE_EXT 0x84E8
#define GL_FRAMEBUFFER_BINDING_EXT 0x8CA6
#define GL_RENDERBUFFER_BINDING_EXT 0x8CA7
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT 0x8CD0
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT 0x8CD1
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT 0x8CD2
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT 0x8CD3
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT 0x8CD4
#define GL_FRAMEBUFFER_COMPLETE_EXT 0x8CD5
#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT 0x8CD6
#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT 0x8CD7
#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT 0x8CD9
#define GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT 0x8CDA
#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT 0x8CDB
#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT 0x8CDC
#define GL_FRAMEBUFFER_UNSUPPORTED_EXT 0x8CDD
#define GL_MAX_COLOR_ATTACHMENTS_EXT 0x8CDF
#define GL_COLOR_ATTACHMENT0_EXT 0x8CE0
#define GL_COLOR_ATTACHMENT1_EXT 0x8CE1
#define GL_COLOR_ATTACHMENT2_EXT 0x8CE2
#define GL_COLOR_ATTACHMENT3_EXT 0x8CE3
#define GL_COLOR_ATTACHMENT4_EXT 0x8CE4
#define GL_COLOR_ATTACHMENT5_EXT 0x8CE5
#define GL_COLOR_ATTACHMENT6_EXT 0x8CE6
#define GL_COLOR_ATTACHMENT7_EXT 0x8CE7
#define GL_COLOR_ATTACHMENT8_EXT 0x8CE8
#define GL_COLOR_ATTACHMENT9_EXT 0x8CE9
#define GL_COLOR_ATTACHMENT10_EXT 0x8CEA
#define GL_COLOR_ATTACHMENT11_EXT 0x8CEB
#define GL_COLOR_ATTACHMENT12_EXT 0x8CEC
#define GL_COLOR_ATTACHMENT13_EXT 0x8CED
#define GL_COLOR_ATTACHMENT14_EXT 0x8CEE
#define GL_COLOR_ATTACHMENT15_EXT 0x8CEF
#define GL_DEPTH_ATTACHMENT_EXT 0x8D00
#define GL_STENCIL_ATTACHMENT_EXT 0x8D20
#define GL_FRAMEBUFFER_EXT 0x8D40
#define GL_RENDERBUFFER_EXT 0x8D41
#define GL_RENDERBUFFER_WIDTH_EXT 0x8D42
#define GL_RENDERBUFFER_HEIGHT_EXT 0x8D43
#define GL_RENDERBUFFER_INTERNAL_FORMAT_EXT 0x8D44
#define GL_STENCIL_INDEX1_EXT 0x8D46
#define GL_STENCIL_INDEX4_EXT 0x8D47
#define GL_STENCIL_INDEX8_EXT 0x8D48
#define GL_STENCIL_INDEX16_EXT 0x8D49
#define GL_RENDERBUFFER_RED_SIZE_EXT 0x8D50
#define GL_RENDERBUFFER_GREEN_SIZE_EXT 0x8D51
#define GL_RENDERBUFFER_BLUE_SIZE_EXT 0x8D52
#define GL_RENDERBUFFER_ALPHA_SIZE_EXT 0x8D53
#define GL_RENDERBUFFER_DEPTH_SIZE_EXT 0x8D54
#define GL_RENDERBUFFER_STENCIL_SIZE_EXT 0x8D55
#endif
#ifndef GL_ARB_framebuffer_object
#define GL_DRAW_FRAMEBUFFER_ARB 0x8CA9
#define GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE 0x8217
#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_ARB 0x8210
#endif
#ifndef GL_VERSION_3_0
#define GL_MAJOR_VERSION 0x821B
#define GL_MINOR_VERSION 0x821C
#define GL_NUM_EXTENSIONS 0x821D
#endif
//GL_ARB_robustness, core in 4.5
#ifndef GL_GUILTY_CONTEXT_RESET
//#define GL_NO_ERROR 0x0000
#define GL_GUILTY_CONTEXT_RESET 0x8253
#define GL_INNOCENT_CONTEXT_RESET 0x8254
#define GL_UNKNOWN_CONTEXT_RESET 0x8255
#endif
#ifndef GL_DEPTH_CLAMP_ARB
#define GL_DEPTH_CLAMP_ARB 0x864F
#endif
#ifndef GL_TEXTURE_BASE_LEVEL //GL_SGIS_texture_lod (core gl 1.2)
#define GL_TEXTURE_BASE_LEVEL 0x813c
#define GL_TEXTURE_MAX_LEVEL 0x813d
#endif
#ifndef GL_TEXTURE_LOD_BIAS
#define GL_TEXTURE_LOD_BIAS 0x8501 //gl1.4
#endif
#ifndef GL_RGBA16
#define GL_RGBA16 0x805B //gl1.1, but not in gles.
#endif
#ifndef GL_RGBA16F
#define GL_RGBA16F 0x881A
#define GL_RGBA32F 0x8814
#endif
#ifndef GL_R16F
#define GL_R16F 0x822D
#define GL_R32F 0x822E
#endif
#ifndef GL_RED
//gles2 does not support swizzles, but gles3 does
#define GL_RED 0x1903
#define GL_GREEN 0x1904
#define GL_BLUE 0x1905
#endif
#ifndef GL_RGBA8
//gles2 does not support sized formats, but gl1.1 and gles3 do.
#define GL_RGBA8 0x8058
#define GL_RGB8 0x8051
#define GL_RGB10_A2 0x8059
#define GL_RGB5 0x8050 //note: not in gles3. a poor-man's substitute for rgb565
#define GL_RGBA4 0x8056
#define GL_RGB5_A1 0x8057
#endif
#ifndef GL_LUMINANCE8
#define GL_LUMINANCE8 0x8040 //not in gles2, nor gl3core (use gl_red+swizzles for gles3)
#define GL_LUMINANCE8_ALPHA8 0x8045 //not in gles2, nor gl3core (use gl_red+swizzles for gles3)
#endif
#ifndef GL_SAMPLES_PASSED_ARB
#define GL_SAMPLES_PASSED_ARB 0x8914
//#define GL_QUERY_COUNTER_BITS_ARB 0x8864
//#define GL_CURRENT_QUERY_ARB 0x8865
#define GL_QUERY_RESULT_ARB 0x8866
#define GL_QUERY_RESULT_AVAILABLE_ARB 0x8867
#endif
#endif
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