#ifndef __gl2_h_
#define __gl2_h_ 1

#ifdef __cplusplus
extern "C" {
#endif

/*
** Copyright (c) 2013-2015 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are 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 Materials.
**
** THE MATERIALS ARE 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 THE AUTHORS OR COPYRIGHT HOLDERS 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
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
/*
** This header is generated from the Khronos OpenGL / OpenGL ES XML
** API Registry. The current version of the Registry, generator scripts
** used to make the header, and the header can be found at
**   http://www.opengl.org/registry/
**
** Khronos $Revision: 31811 $ on $Date: 2015-08-10 00:01:11 -0700 (Mon, 10 Aug
*2015) $
*/

#include <GLES2/gl2platform.h>

#ifndef GL_APIENTRYP
#define GL_APIENTRYP GL_APIENTRY *
#endif

/* Generated on date 20150809 */

/* Generated C header for:
 * API: gles2
 * Profile: common
 * Versions considered: 2\.[0-9]
 * Versions emitted: .*
 * Default extensions included: None
 * Additional extensions included: _nomatch_^
 * Extensions removed: _nomatch_^
 */

#ifndef GL_ES_VERSION_2_0
#define GL_ES_VERSION_2_0 1
#include <KHR/khrplatform.h>
typedef khronos_int8_t GLbyte;
typedef khronos_float_t GLclampf;
typedef khronos_int32_t GLfixed;
typedef short GLshort;
typedef unsigned short GLushort;
typedef void GLvoid;
typedef struct __GLsync* GLsync;
typedef khronos_int64_t GLint64;
typedef khronos_uint64_t GLuint64;
typedef unsigned int GLenum;
typedef unsigned int GLuint;
typedef char GLchar;
typedef khronos_float_t GLfloat;
typedef khronos_ssize_t GLsizeiptr;
typedef khronos_intptr_t GLintptr;
typedef unsigned int GLbitfield;
typedef int GLint;
typedef unsigned char GLboolean;
typedef int GLsizei;
typedef khronos_uint8_t GLubyte;
#define GL_DEPTH_BUFFER_BIT 0x00000100
#define GL_STENCIL_BUFFER_BIT 0x00000400
#define GL_COLOR_BUFFER_BIT 0x00004000
#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_ZERO 0
#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_FUNC_ADD 0x8006
#define GL_BLEND_EQUATION 0x8009
#define GL_BLEND_EQUATION_RGB 0x8009
#define GL_BLEND_EQUATION_ALPHA 0x883D
#define GL_FUNC_SUBTRACT 0x800A
#define GL_FUNC_REVERSE_SUBTRACT 0x800B
#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_CONSTANT_COLOR 0x8001
#define GL_ONE_MINUS_CONSTANT_COLOR 0x8002
#define GL_CONSTANT_ALPHA 0x8003
#define GL_ONE_MINUS_CONSTANT_ALPHA 0x8004
#define GL_BLEND_COLOR 0x8005
#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_STREAM_DRAW 0x88E0
#define GL_STATIC_DRAW 0x88E4
#define GL_DYNAMIC_DRAW 0x88E8
#define GL_BUFFER_SIZE 0x8764
#define GL_BUFFER_USAGE 0x8765
#define GL_CURRENT_VERTEX_ATTRIB 0x8626
#define GL_FRONT 0x0404
#define GL_BACK 0x0405
#define GL_FRONT_AND_BACK 0x0408
#define GL_TEXTURE_2D 0x0DE1
#define GL_CULL_FACE 0x0B44
#define GL_BLEND 0x0BE2
#define GL_DITHER 0x0BD0
#define GL_STENCIL_TEST 0x0B90
#define GL_DEPTH_TEST 0x0B71
#define GL_SCISSOR_TEST 0x0C11
#define GL_POLYGON_OFFSET_FILL 0x8037
#define GL_SAMPLE_ALPHA_TO_COVERAGE 0x809E
#define GL_SAMPLE_COVERAGE 0x80A0
#define GL_NO_ERROR 0
#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_LINE_WIDTH 0x0B21
#define GL_ALIASED_POINT_SIZE_RANGE 0x846D
#define GL_ALIASED_LINE_WIDTH_RANGE 0x846E
#define GL_CULL_FACE_MODE 0x0B45
#define GL_FRONT_FACE 0x0B46
#define GL_DEPTH_RANGE 0x0B70
#define GL_DEPTH_WRITEMASK 0x0B72
#define GL_DEPTH_CLEAR_VALUE 0x0B73
#define GL_DEPTH_FUNC 0x0B74
#define GL_STENCIL_CLEAR_VALUE 0x0B91
#define GL_STENCIL_FUNC 0x0B92
#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_VALUE_MASK 0x0B93
#define GL_STENCIL_WRITEMASK 0x0B98
#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_STENCIL_BACK_REF 0x8CA3
#define GL_STENCIL_BACK_VALUE_MASK 0x8CA4
#define GL_STENCIL_BACK_WRITEMASK 0x8CA5
#define GL_VIEWPORT 0x0BA2
#define GL_SCISSOR_BOX 0x0C10
#define GL_COLOR_CLEAR_VALUE 0x0C22
#define GL_COLOR_WRITEMASK 0x0C23
#define GL_UNPACK_ALIGNMENT 0x0CF5
#define GL_PACK_ALIGNMENT 0x0D05
#define GL_MAX_TEXTURE_SIZE 0x0D33
#define GL_MAX_VIEWPORT_DIMS 0x0D3A
#define GL_SUBPIXEL_BITS 0x0D50
#define GL_RED_BITS 0x0D52
#define GL_GREEN_BITS 0x0D53
#define GL_BLUE_BITS 0x0D54
#define GL_ALPHA_BITS 0x0D55
#define GL_DEPTH_BITS 0x0D56
#define GL_STENCIL_BITS 0x0D57
#define GL_POLYGON_OFFSET_UNITS 0x2A00
#define GL_POLYGON_OFFSET_FACTOR 0x8038
#define GL_TEXTURE_BINDING_2D 0x8069
#define GL_SAMPLE_BUFFERS 0x80A8
#define GL_SAMPLES 0x80A9
#define GL_SAMPLE_COVERAGE_VALUE 0x80AA
#define GL_SAMPLE_COVERAGE_INVERT 0x80AB
#define GL_NUM_COMPRESSED_TEXTURE_FORMATS 0x86A2
#define GL_COMPRESSED_TEXTURE_FORMATS 0x86A3
#define GL_DONT_CARE 0x1100
#define GL_FASTEST 0x1101
#define GL_NICEST 0x1102
#define GL_GENERATE_MIPMAP_HINT 0x8192
#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_FIXED 0x140C
#define GL_DEPTH_COMPONENT 0x1902
#define GL_ALPHA 0x1906
#define GL_RGB 0x1907
#define GL_RGBA 0x1908
#define GL_LUMINANCE 0x1909
#define GL_LUMINANCE_ALPHA 0x190A
#define GL_UNSIGNED_SHORT_4_4_4_4 0x8033
#define GL_UNSIGNED_SHORT_5_5_5_1 0x8034
#define GL_UNSIGNED_SHORT_5_6_5 0x8363
#define GL_FRAGMENT_SHADER 0x8B30
#define GL_VERTEX_SHADER 0x8B31
#define GL_MAX_VERTEX_ATTRIBS 0x8869
#define GL_MAX_VERTEX_UNIFORM_VECTORS 0x8DFB
#define GL_MAX_VARYING_VECTORS 0x8DFC
#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D
#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C
#define GL_MAX_TEXTURE_IMAGE_UNITS 0x8872
#define GL_MAX_FRAGMENT_UNIFORM_VECTORS 0x8DFD
#define GL_SHADER_TYPE 0x8B4F
#define GL_DELETE_STATUS 0x8B80
#define GL_LINK_STATUS 0x8B82
#define GL_VALIDATE_STATUS 0x8B83
#define GL_ATTACHED_SHADERS 0x8B85
#define GL_ACTIVE_UNIFORMS 0x8B86
#define GL_ACTIVE_UNIFORM_MAX_LENGTH 0x8B87
#define GL_ACTIVE_ATTRIBUTES 0x8B89
#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A
#define GL_SHADING_LANGUAGE_VERSION 0x8B8C
#define GL_CURRENT_PROGRAM 0x8B8D
#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_KEEP 0x1E00
#define GL_REPLACE 0x1E01
#define GL_INCR 0x1E02
#define GL_DECR 0x1E03
#define GL_INVERT 0x150A
#define GL_INCR_WRAP 0x8507
#define GL_DECR_WRAP 0x8508
#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_TEXTURE 0x1702
#define GL_TEXTURE_CUBE_MAP 0x8513
#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_MAX_CUBE_MAP_TEXTURE_SIZE 0x851C
#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_REPEAT 0x2901
#define GL_CLAMP_TO_EDGE 0x812F
#define GL_MIRRORED_REPEAT 0x8370
#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_2D 0x8B5E
#define GL_SAMPLER_CUBE 0x8B60
#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_VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A
#define GL_VERTEX_ATTRIB_ARRAY_POINTER 0x8645
#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING 0x889F
#define GL_IMPLEMENTATION_COLOR_READ_TYPE 0x8B9A
#define GL_IMPLEMENTATION_COLOR_READ_FORMAT 0x8B9B
#define GL_COMPILE_STATUS 0x8B81
#define GL_INFO_LOG_LENGTH 0x8B84
#define GL_SHADER_SOURCE_LENGTH 0x8B88
#define GL_SHADER_COMPILER 0x8DFA
#define GL_SHADER_BINARY_FORMATS 0x8DF8
#define GL_NUM_SHADER_BINARY_FORMATS 0x8DF9
#define GL_LOW_FLOAT 0x8DF0
#define GL_MEDIUM_FLOAT 0x8DF1
#define GL_HIGH_FLOAT 0x8DF2
#define GL_LOW_INT 0x8DF3
#define GL_MEDIUM_INT 0x8DF4
#define GL_HIGH_INT 0x8DF5
#define GL_FRAMEBUFFER 0x8D40
#define GL_RENDERBUFFER 0x8D41
#define GL_RGBA4 0x8056
#define GL_RGB5_A1 0x8057
#define GL_RGB565 0x8D62
#define GL_DEPTH_COMPONENT16 0x81A5
#define GL_STENCIL_INDEX8 0x8D48
#define GL_RENDERBUFFER_WIDTH 0x8D42
#define GL_RENDERBUFFER_HEIGHT 0x8D43
#define GL_RENDERBUFFER_INTERNAL_FORMAT 0x8D44
#define GL_RENDERBUFFER_RED_SIZE 0x8D50
#define GL_RENDERBUFFER_GREEN_SIZE 0x8D51
#define GL_RENDERBUFFER_BLUE_SIZE 0x8D52
#define GL_RENDERBUFFER_ALPHA_SIZE 0x8D53
#define GL_RENDERBUFFER_DEPTH_SIZE 0x8D54
#define GL_RENDERBUFFER_STENCIL_SIZE 0x8D55
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL 0x8CD2
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE 0x8CD3
#define GL_COLOR_ATTACHMENT0 0x8CE0
#define GL_DEPTH_ATTACHMENT 0x8D00
#define GL_STENCIL_ATTACHMENT 0x8D20
#define GL_NONE 0
#define GL_FRAMEBUFFER_COMPLETE 0x8CD5
#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 0x8CD6
#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 0x8CD7
#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS 0x8CD9
#define GL_FRAMEBUFFER_UNSUPPORTED 0x8CDD
#define GL_FRAMEBUFFER_BINDING 0x8CA6
#define GL_RENDERBUFFER_BINDING 0x8CA7
#define GL_MAX_RENDERBUFFER_SIZE 0x84E8
#define GL_INVALID_FRAMEBUFFER_OPERATION 0x0506
typedef void(GL_APIENTRYP PFNGLACTIVETEXTUREPROC)(GLenum texture);
typedef void(GL_APIENTRYP PFNGLATTACHSHADERPROC)(GLuint program, GLuint shader);
typedef void(GL_APIENTRYP PFNGLBINDATTRIBLOCATIONPROC)(GLuint program,
                                                       GLuint index,
                                                       const GLchar* name);
typedef void(GL_APIENTRYP PFNGLBINDBUFFERPROC)(GLenum target, GLuint buffer);
typedef void(GL_APIENTRYP PFNGLBINDFRAMEBUFFERPROC)(GLenum target,
                                                    GLuint framebuffer);
typedef void(GL_APIENTRYP PFNGLBINDRENDERBUFFERPROC)(GLenum target,
                                                     GLuint renderbuffer);
typedef void(GL_APIENTRYP PFNGLBINDTEXTUREPROC)(GLenum target, GLuint texture);
typedef void(GL_APIENTRYP PFNGLBLENDCOLORPROC)(GLfloat red,
                                               GLfloat green,
                                               GLfloat blue,
                                               GLfloat alpha);
typedef void(GL_APIENTRYP PFNGLBLENDEQUATIONPROC)(GLenum mode);
typedef void(GL_APIENTRYP PFNGLBLENDEQUATIONSEPARATEPROC)(GLenum modeRGB,
                                                          GLenum modeAlpha);
typedef void(GL_APIENTRYP PFNGLBLENDFUNCPROC)(GLenum sfactor, GLenum dfactor);
typedef void(GL_APIENTRYP PFNGLBLENDFUNCSEPARATEPROC)(GLenum sfactorRGB,
                                                      GLenum dfactorRGB,
                                                      GLenum sfactorAlpha,
                                                      GLenum dfactorAlpha);
typedef void(GL_APIENTRYP PFNGLBUFFERDATAPROC)(GLenum target,
                                               GLsizeiptr size,
                                               const void* data,
                                               GLenum usage);
typedef void(GL_APIENTRYP PFNGLBUFFERSUBDATAPROC)(GLenum target,
                                                  GLintptr offset,
                                                  GLsizeiptr size,
                                                  const void* data);
typedef GLenum(GL_APIENTRYP PFNGLCHECKFRAMEBUFFERSTATUSPROC)(GLenum target);
typedef void(GL_APIENTRYP PFNGLCLEARPROC)(GLbitfield mask);
typedef void(GL_APIENTRYP PFNGLCLEARCOLORPROC)(GLfloat red,
                                               GLfloat green,
                                               GLfloat blue,
                                               GLfloat alpha);
typedef void(GL_APIENTRYP PFNGLCLEARDEPTHFPROC)(GLfloat d);
typedef void(GL_APIENTRYP PFNGLCLEARSTENCILPROC)(GLint s);
typedef void(GL_APIENTRYP PFNGLCOLORMASKPROC)(GLboolean red,
                                              GLboolean green,
                                              GLboolean blue,
                                              GLboolean alpha);
typedef void(GL_APIENTRYP PFNGLCOMPILESHADERPROC)(GLuint shader);
typedef void(GL_APIENTRYP PFNGLCOMPRESSEDTEXIMAGE2DPROC)(GLenum target,
                                                         GLint level,
                                                         GLenum internalformat,
                                                         GLsizei width,
                                                         GLsizei height,
                                                         GLint border,
                                                         GLsizei imageSize,
                                                         const void* data);
typedef void(GL_APIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC)(GLenum target,
                                                            GLint level,
                                                            GLint xoffset,
                                                            GLint yoffset,
                                                            GLsizei width,
                                                            GLsizei height,
                                                            GLenum format,
                                                            GLsizei imageSize,
                                                            const void* data);
typedef void(GL_APIENTRYP PFNGLCOPYTEXIMAGE2DPROC)(GLenum target,
                                                   GLint level,
                                                   GLenum internalformat,
                                                   GLint x,
                                                   GLint y,
                                                   GLsizei width,
                                                   GLsizei height,
                                                   GLint border);
typedef void(GL_APIENTRYP PFNGLCOPYTEXSUBIMAGE2DPROC)(GLenum target,
                                                      GLint level,
                                                      GLint xoffset,
                                                      GLint yoffset,
                                                      GLint x,
                                                      GLint y,
                                                      GLsizei width,
                                                      GLsizei height);
typedef GLuint(GL_APIENTRYP PFNGLCREATEPROGRAMPROC)(void);
typedef GLuint(GL_APIENTRYP PFNGLCREATESHADERPROC)(GLenum type);
typedef void(GL_APIENTRYP PFNGLCULLFACEPROC)(GLenum mode);
typedef void(GL_APIENTRYP PFNGLDELETEBUFFERSPROC)(GLsizei n,
                                                  const GLuint* buffers);
typedef void(GL_APIENTRYP PFNGLDELETEFRAMEBUFFERSPROC)(
    GLsizei n,
    const GLuint* framebuffers);
typedef void(GL_APIENTRYP PFNGLDELETEPROGRAMPROC)(GLuint program);
typedef void(GL_APIENTRYP PFNGLDELETERENDERBUFFERSPROC)(
    GLsizei n,
    const GLuint* renderbuffers);
typedef void(GL_APIENTRYP PFNGLDELETESHADERPROC)(GLuint shader);
typedef void(GL_APIENTRYP PFNGLDELETETEXTURESPROC)(GLsizei n,
                                                   const GLuint* textures);
typedef void(GL_APIENTRYP PFNGLDEPTHFUNCPROC)(GLenum func);
typedef void(GL_APIENTRYP PFNGLDEPTHMASKPROC)(GLboolean flag);
typedef void(GL_APIENTRYP PFNGLDEPTHRANGEFPROC)(GLfloat n, GLfloat f);
typedef void(GL_APIENTRYP PFNGLDETACHSHADERPROC)(GLuint program, GLuint shader);
typedef void(GL_APIENTRYP PFNGLDISABLEPROC)(GLenum cap);
typedef void(GL_APIENTRYP PFNGLDISABLEVERTEXATTRIBARRAYPROC)(GLuint index);
typedef void(GL_APIENTRYP PFNGLDRAWARRAYSPROC)(GLenum mode,
                                               GLint first,
                                               GLsizei count);
typedef void(GL_APIENTRYP PFNGLDRAWELEMENTSPROC)(GLenum mode,
                                                 GLsizei count,
                                                 GLenum type,
                                                 const void* indices);
typedef void(GL_APIENTRYP PFNGLENABLEPROC)(GLenum cap);
typedef void(GL_APIENTRYP PFNGLENABLEVERTEXATTRIBARRAYPROC)(GLuint index);
typedef void(GL_APIENTRYP PFNGLFINISHPROC)(void);
typedef void(GL_APIENTRYP PFNGLFLUSHPROC)(void);
typedef void(GL_APIENTRYP PFNGLFRAMEBUFFERRENDERBUFFERPROC)(
    GLenum target,
    GLenum attachment,
    GLenum renderbuffertarget,
    GLuint renderbuffer);
typedef void(GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURE2DPROC)(GLenum target,
                                                         GLenum attachment,
                                                         GLenum textarget,
                                                         GLuint texture,
                                                         GLint level);
typedef void(GL_APIENTRYP PFNGLFRONTFACEPROC)(GLenum mode);
typedef void(GL_APIENTRYP PFNGLGENBUFFERSPROC)(GLsizei n, GLuint* buffers);
typedef void(GL_APIENTRYP PFNGLGENERATEMIPMAPPROC)(GLenum target);
typedef void(GL_APIENTRYP PFNGLGENFRAMEBUFFERSPROC)(GLsizei n,
                                                    GLuint* framebuffers);
typedef void(GL_APIENTRYP PFNGLGENRENDERBUFFERSPROC)(GLsizei n,
                                                     GLuint* renderbuffers);
typedef void(GL_APIENTRYP PFNGLGENTEXTURESPROC)(GLsizei n, GLuint* textures);
typedef void(GL_APIENTRYP PFNGLGETACTIVEATTRIBPROC)(GLuint program,
                                                    GLuint index,
                                                    GLsizei bufSize,
                                                    GLsizei* length,
                                                    GLint* size,
                                                    GLenum* type,
                                                    GLchar* name);
typedef void(GL_APIENTRYP PFNGLGETACTIVEUNIFORMPROC)(GLuint program,
                                                     GLuint index,
                                                     GLsizei bufSize,
                                                     GLsizei* length,
                                                     GLint* size,
                                                     GLenum* type,
                                                     GLchar* name);
typedef void(GL_APIENTRYP PFNGLGETATTACHEDSHADERSPROC)(GLuint program,
                                                       GLsizei maxCount,
                                                       GLsizei* count,
                                                       GLuint* shaders);
typedef GLint(GL_APIENTRYP PFNGLGETATTRIBLOCATIONPROC)(GLuint program,
                                                       const GLchar* name);
typedef void(GL_APIENTRYP PFNGLGETBOOLEANVPROC)(GLenum pname, GLboolean* data);
typedef void(GL_APIENTRYP PFNGLGETBUFFERPARAMETERIVPROC)(GLenum target,
                                                         GLenum pname,
                                                         GLint* params);
typedef GLenum(GL_APIENTRYP PFNGLGETERRORPROC)(void);
typedef void(GL_APIENTRYP PFNGLGETFLOATVPROC)(GLenum pname, GLfloat* data);
typedef void(GL_APIENTRYP PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC)(
    GLenum target,
    GLenum attachment,
    GLenum pname,
    GLint* params);
typedef void(GL_APIENTRYP PFNGLGETINTEGERVPROC)(GLenum pname, GLint* data);
typedef void(GL_APIENTRYP PFNGLGETPROGRAMIVPROC)(GLuint program,
                                                 GLenum pname,
                                                 GLint* params);
typedef void(GL_APIENTRYP PFNGLGETPROGRAMINFOLOGPROC)(GLuint program,
                                                      GLsizei bufSize,
                                                      GLsizei* length,
                                                      GLchar* infoLog);
typedef void(GL_APIENTRYP PFNGLGETRENDERBUFFERPARAMETERIVPROC)(GLenum target,
                                                               GLenum pname,
                                                               GLint* params);
typedef void(GL_APIENTRYP PFNGLGETSHADERIVPROC)(GLuint shader,
                                                GLenum pname,
                                                GLint* params);
typedef void(GL_APIENTRYP PFNGLGETSHADERINFOLOGPROC)(GLuint shader,
                                                     GLsizei bufSize,
                                                     GLsizei* length,
                                                     GLchar* infoLog);
typedef void(GL_APIENTRYP PFNGLGETSHADERPRECISIONFORMATPROC)(
    GLenum shadertype,
    GLenum precisiontype,
    GLint* range,
    GLint* precision);
typedef void(GL_APIENTRYP PFNGLGETSHADERSOURCEPROC)(GLuint shader,
                                                    GLsizei bufSize,
                                                    GLsizei* length,
                                                    GLchar* source);
typedef const GLubyte*(GL_APIENTRYP PFNGLGETSTRINGPROC)(GLenum name);
typedef void(GL_APIENTRYP PFNGLGETTEXPARAMETERFVPROC)(GLenum target,
                                                      GLenum pname,
                                                      GLfloat* params);
typedef void(GL_APIENTRYP PFNGLGETTEXPARAMETERIVPROC)(GLenum target,
                                                      GLenum pname,
                                                      GLint* params);
typedef void(GL_APIENTRYP PFNGLGETUNIFORMFVPROC)(GLuint program,
                                                 GLint location,
                                                 GLfloat* params);
typedef void(GL_APIENTRYP PFNGLGETUNIFORMIVPROC)(GLuint program,
                                                 GLint location,
                                                 GLint* params);
typedef GLint(GL_APIENTRYP PFNGLGETUNIFORMLOCATIONPROC)(GLuint program,
                                                        const GLchar* name);
typedef void(GL_APIENTRYP PFNGLGETVERTEXATTRIBFVPROC)(GLuint index,
                                                      GLenum pname,
                                                      GLfloat* params);
typedef void(GL_APIENTRYP PFNGLGETVERTEXATTRIBIVPROC)(GLuint index,
                                                      GLenum pname,
                                                      GLint* params);
typedef void(GL_APIENTRYP PFNGLGETVERTEXATTRIBPOINTERVPROC)(GLuint index,
                                                            GLenum pname,
                                                            void** pointer);
typedef void(GL_APIENTRYP PFNGLHINTPROC)(GLenum target, GLenum mode);
typedef GLboolean(GL_APIENTRYP PFNGLISBUFFERPROC)(GLuint buffer);
typedef GLboolean(GL_APIENTRYP PFNGLISENABLEDPROC)(GLenum cap);
typedef GLboolean(GL_APIENTRYP PFNGLISFRAMEBUFFERPROC)(GLuint framebuffer);
typedef GLboolean(GL_APIENTRYP PFNGLISPROGRAMPROC)(GLuint program);
typedef GLboolean(GL_APIENTRYP PFNGLISRENDERBUFFERPROC)(GLuint renderbuffer);
typedef GLboolean(GL_APIENTRYP PFNGLISSHADERPROC)(GLuint shader);
typedef GLboolean(GL_APIENTRYP PFNGLISTEXTUREPROC)(GLuint texture);
typedef void(GL_APIENTRYP PFNGLLINEWIDTHPROC)(GLfloat width);
typedef void(GL_APIENTRYP PFNGLLINKPROGRAMPROC)(GLuint program);
typedef void(GL_APIENTRYP PFNGLPIXELSTOREIPROC)(GLenum pname, GLint param);
typedef void(GL_APIENTRYP PFNGLPOLYGONOFFSETPROC)(GLfloat factor,
                                                  GLfloat units);
typedef void(GL_APIENTRYP PFNGLREADPIXELSPROC)(GLint x,
                                               GLint y,
                                               GLsizei width,
                                               GLsizei height,
                                               GLenum format,
                                               GLenum type,
                                               void* pixels);
typedef void(GL_APIENTRYP PFNGLRELEASESHADERCOMPILERPROC)(void);
typedef void(GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEPROC)(GLenum target,
                                                        GLenum internalformat,
                                                        GLsizei width,
                                                        GLsizei height);
typedef void(GL_APIENTRYP PFNGLSAMPLECOVERAGEPROC)(GLfloat value,
                                                   GLboolean invert);
typedef void(GL_APIENTRYP PFNGLSCISSORPROC)(GLint x,
                                            GLint y,
                                            GLsizei width,
                                            GLsizei height);
typedef void(GL_APIENTRYP PFNGLSHADERBINARYPROC)(GLsizei count,
                                                 const GLuint* shaders,
                                                 GLenum binaryformat,
                                                 const void* binary,
                                                 GLsizei length);
typedef void(GL_APIENTRYP PFNGLSHADERSOURCEPROC)(GLuint shader,
                                                 GLsizei count,
                                                 const GLchar* const* string,
                                                 const GLint* length);
typedef void(GL_APIENTRYP PFNGLSTENCILFUNCPROC)(GLenum func,
                                                GLint ref,
                                                GLuint mask);
typedef void(GL_APIENTRYP PFNGLSTENCILFUNCSEPARATEPROC)(GLenum face,
                                                        GLenum func,
                                                        GLint ref,
                                                        GLuint mask);
typedef void(GL_APIENTRYP PFNGLSTENCILMASKPROC)(GLuint mask);
typedef void(GL_APIENTRYP PFNGLSTENCILMASKSEPARATEPROC)(GLenum face,
                                                        GLuint mask);
typedef void(GL_APIENTRYP PFNGLSTENCILOPPROC)(GLenum fail,
                                              GLenum zfail,
                                              GLenum zpass);
typedef void(GL_APIENTRYP PFNGLSTENCILOPSEPARATEPROC)(GLenum face,
                                                      GLenum sfail,
                                                      GLenum dpfail,
                                                      GLenum dppass);
typedef void(GL_APIENTRYP PFNGLTEXIMAGE2DPROC)(GLenum target,
                                               GLint level,
                                               GLint internalformat,
                                               GLsizei width,
                                               GLsizei height,
                                               GLint border,
                                               GLenum format,
                                               GLenum type,
                                               const void* pixels);
typedef void(GL_APIENTRYP PFNGLTEXPARAMETERFPROC)(GLenum target,
                                                  GLenum pname,
                                                  GLfloat param);
typedef void(GL_APIENTRYP PFNGLTEXPARAMETERFVPROC)(GLenum target,
                                                   GLenum pname,
                                                   const GLfloat* params);
typedef void(GL_APIENTRYP PFNGLTEXPARAMETERIPROC)(GLenum target,
                                                  GLenum pname,
                                                  GLint param);
typedef void(GL_APIENTRYP PFNGLTEXPARAMETERIVPROC)(GLenum target,
                                                   GLenum pname,
                                                   const GLint* params);
typedef void(GL_APIENTRYP PFNGLTEXSUBIMAGE2DPROC)(GLenum target,
                                                  GLint level,
                                                  GLint xoffset,
                                                  GLint yoffset,
                                                  GLsizei width,
                                                  GLsizei height,
                                                  GLenum format,
                                                  GLenum type,
                                                  const void* pixels);
typedef void(GL_APIENTRYP PFNGLUNIFORM1FPROC)(GLint location, GLfloat v0);
typedef void(GL_APIENTRYP PFNGLUNIFORM1FVPROC)(GLint location,
                                               GLsizei count,
                                               const GLfloat* value);
typedef void(GL_APIENTRYP PFNGLUNIFORM1IPROC)(GLint location, GLint v0);
typedef void(GL_APIENTRYP PFNGLUNIFORM1IVPROC)(GLint location,
                                               GLsizei count,
                                               const GLint* value);
typedef void(GL_APIENTRYP PFNGLUNIFORM2FPROC)(GLint location,
                                              GLfloat v0,
                                              GLfloat v1);
typedef void(GL_APIENTRYP PFNGLUNIFORM2FVPROC)(GLint location,
                                               GLsizei count,
                                               const GLfloat* value);
typedef void(GL_APIENTRYP PFNGLUNIFORM2IPROC)(GLint location,
                                              GLint v0,
                                              GLint v1);
typedef void(GL_APIENTRYP PFNGLUNIFORM2IVPROC)(GLint location,
                                               GLsizei count,
                                               const GLint* value);
typedef void(GL_APIENTRYP PFNGLUNIFORM3FPROC)(GLint location,
                                              GLfloat v0,
                                              GLfloat v1,
                                              GLfloat v2);
typedef void(GL_APIENTRYP PFNGLUNIFORM3FVPROC)(GLint location,
                                               GLsizei count,
                                               const GLfloat* value);
typedef void(GL_APIENTRYP PFNGLUNIFORM3IPROC)(GLint location,
                                              GLint v0,
                                              GLint v1,
                                              GLint v2);
typedef void(GL_APIENTRYP PFNGLUNIFORM3IVPROC)(GLint location,
                                               GLsizei count,
                                               const GLint* value);
typedef void(GL_APIENTRYP PFNGLUNIFORM4FPROC)(GLint location,
                                              GLfloat v0,
                                              GLfloat v1,
                                              GLfloat v2,
                                              GLfloat v3);
typedef void(GL_APIENTRYP PFNGLUNIFORM4FVPROC)(GLint location,
                                               GLsizei count,
                                               const GLfloat* value);
typedef void(GL_APIENTRYP PFNGLUNIFORM4IPROC)(GLint location,
                                              GLint v0,
                                              GLint v1,
                                              GLint v2,
                                              GLint v3);
typedef void(GL_APIENTRYP PFNGLUNIFORM4IVPROC)(GLint location,
                                               GLsizei count,
                                               const GLint* value);
typedef void(GL_APIENTRYP PFNGLUNIFORMMATRIX2FVPROC)(GLint location,
                                                     GLsizei count,
                                                     GLboolean transpose,
                                                     const GLfloat* value);
typedef void(GL_APIENTRYP PFNGLUNIFORMMATRIX3FVPROC)(GLint location,
                                                     GLsizei count,
                                                     GLboolean transpose,
                                                     const GLfloat* value);
typedef void(GL_APIENTRYP PFNGLUNIFORMMATRIX4FVPROC)(GLint location,
                                                     GLsizei count,
                                                     GLboolean transpose,
                                                     const GLfloat* value);
typedef void(GL_APIENTRYP PFNGLUSEPROGRAMPROC)(GLuint program);
typedef void(GL_APIENTRYP PFNGLVALIDATEPROGRAMPROC)(GLuint program);
typedef void(GL_APIENTRYP PFNGLVERTEXATTRIB1FPROC)(GLuint index, GLfloat x);
typedef void(GL_APIENTRYP PFNGLVERTEXATTRIB1FVPROC)(GLuint index,
                                                    const GLfloat* v);
typedef void(GL_APIENTRYP PFNGLVERTEXATTRIB2FPROC)(GLuint index,
                                                   GLfloat x,
                                                   GLfloat y);
typedef void(GL_APIENTRYP PFNGLVERTEXATTRIB2FVPROC)(GLuint index,
                                                    const GLfloat* v);
typedef void(GL_APIENTRYP PFNGLVERTEXATTRIB3FPROC)(GLuint index,
                                                   GLfloat x,
                                                   GLfloat y,
                                                   GLfloat z);
typedef void(GL_APIENTRYP PFNGLVERTEXATTRIB3FVPROC)(GLuint index,
                                                    const GLfloat* v);
typedef void(GL_APIENTRYP PFNGLVERTEXATTRIB4FPROC)(GLuint index,
                                                   GLfloat x,
                                                   GLfloat y,
                                                   GLfloat z,
                                                   GLfloat w);
typedef void(GL_APIENTRYP PFNGLVERTEXATTRIB4FVPROC)(GLuint index,
                                                    const GLfloat* v);
typedef void(GL_APIENTRYP PFNGLVERTEXATTRIBPOINTERPROC)(GLuint index,
                                                        GLint size,
                                                        GLenum type,
                                                        GLboolean normalized,
                                                        GLsizei stride,
                                                        const void* pointer);
typedef void(GL_APIENTRYP PFNGLVIEWPORTPROC)(GLint x,
                                             GLint y,
                                             GLsizei width,
                                             GLsizei height);
#ifdef GL_GLEXT_PROTOTYPES
GL_APICALL void GL_APIENTRY glActiveTexture(GLenum texture);
GL_APICALL void GL_APIENTRY glAttachShader(GLuint program, GLuint shader);
GL_APICALL void GL_APIENTRY glBindAttribLocation(GLuint program,
                                                 GLuint index,
                                                 const GLchar* name);
GL_APICALL void GL_APIENTRY glBindBuffer(GLenum target, GLuint buffer);
GL_APICALL void GL_APIENTRY glBindFramebuffer(GLenum target,
                                              GLuint framebuffer);
GL_APICALL void GL_APIENTRY glBindRenderbuffer(GLenum target,
                                               GLuint renderbuffer);
GL_APICALL void GL_APIENTRY glBindTexture(GLenum target, GLuint texture);
GL_APICALL void GL_APIENTRY glBlendColor(GLfloat red,
                                         GLfloat green,
                                         GLfloat blue,
                                         GLfloat alpha);
GL_APICALL void GL_APIENTRY glBlendEquation(GLenum mode);
GL_APICALL void GL_APIENTRY glBlendEquationSeparate(GLenum modeRGB,
                                                    GLenum modeAlpha);
GL_APICALL void GL_APIENTRY glBlendFunc(GLenum sfactor, GLenum dfactor);
GL_APICALL void GL_APIENTRY glBlendFuncSeparate(GLenum sfactorRGB,
                                                GLenum dfactorRGB,
                                                GLenum sfactorAlpha,
                                                GLenum dfactorAlpha);
GL_APICALL void GL_APIENTRY glBufferData(GLenum target,
                                         GLsizeiptr size,
                                         const void* data,
                                         GLenum usage);
GL_APICALL void GL_APIENTRY glBufferSubData(GLenum target,
                                            GLintptr offset,
                                            GLsizeiptr size,
                                            const void* data);
GL_APICALL GLenum GL_APIENTRY glCheckFramebufferStatus(GLenum target);
GL_APICALL void GL_APIENTRY glClear(GLbitfield mask);
GL_APICALL void GL_APIENTRY glClearColor(GLfloat red,
                                         GLfloat green,
                                         GLfloat blue,
                                         GLfloat alpha);
GL_APICALL void GL_APIENTRY glClearDepthf(GLfloat d);
GL_APICALL void GL_APIENTRY glClearStencil(GLint s);
GL_APICALL void GL_APIENTRY glColorMask(GLboolean red,
                                        GLboolean green,
                                        GLboolean blue,
                                        GLboolean alpha);
GL_APICALL void GL_APIENTRY glCompileShader(GLuint shader);
GL_APICALL void GL_APIENTRY glCompressedTexImage2D(GLenum target,
                                                   GLint level,
                                                   GLenum internalformat,
                                                   GLsizei width,
                                                   GLsizei height,
                                                   GLint border,
                                                   GLsizei imageSize,
                                                   const void* data);
GL_APICALL void GL_APIENTRY glCompressedTexSubImage2D(GLenum target,
                                                      GLint level,
                                                      GLint xoffset,
                                                      GLint yoffset,
                                                      GLsizei width,
                                                      GLsizei height,
                                                      GLenum format,
                                                      GLsizei imageSize,
                                                      const void* data);
GL_APICALL void GL_APIENTRY glCopyTexImage2D(GLenum target,
                                             GLint level,
                                             GLenum internalformat,
                                             GLint x,
                                             GLint y,
                                             GLsizei width,
                                             GLsizei height,
                                             GLint border);
GL_APICALL void GL_APIENTRY glCopyTexSubImage2D(GLenum target,
                                                GLint level,
                                                GLint xoffset,
                                                GLint yoffset,
                                                GLint x,
                                                GLint y,
                                                GLsizei width,
                                                GLsizei height);
GL_APICALL GLuint GL_APIENTRY glCreateProgram(void);
GL_APICALL GLuint GL_APIENTRY glCreateShader(GLenum type);
GL_APICALL void GL_APIENTRY glCullFace(GLenum mode);
GL_APICALL void GL_APIENTRY glDeleteBuffers(GLsizei n, const GLuint* buffers);
GL_APICALL void GL_APIENTRY glDeleteFramebuffers(GLsizei n,
                                                 const GLuint* framebuffers);
GL_APICALL void GL_APIENTRY glDeleteProgram(GLuint program);
GL_APICALL void GL_APIENTRY glDeleteRenderbuffers(GLsizei n,
                                                  const GLuint* renderbuffers);
GL_APICALL void GL_APIENTRY glDeleteShader(GLuint shader);
GL_APICALL void GL_APIENTRY glDeleteTextures(GLsizei n, const GLuint* textures);
GL_APICALL void GL_APIENTRY glDepthFunc(GLenum func);
GL_APICALL void GL_APIENTRY glDepthMask(GLboolean flag);
GL_APICALL void GL_APIENTRY glDepthRangef(GLfloat n, GLfloat f);
GL_APICALL void GL_APIENTRY glDetachShader(GLuint program, GLuint shader);
GL_APICALL void GL_APIENTRY glDisable(GLenum cap);
GL_APICALL void GL_APIENTRY glDisableVertexAttribArray(GLuint index);
GL_APICALL void GL_APIENTRY glDrawArrays(GLenum mode,
                                         GLint first,
                                         GLsizei count);
GL_APICALL void GL_APIENTRY glDrawElements(GLenum mode,
                                           GLsizei count,
                                           GLenum type,
                                           const void* indices);
GL_APICALL void GL_APIENTRY glEnable(GLenum cap);
GL_APICALL void GL_APIENTRY glEnableVertexAttribArray(GLuint index);
GL_APICALL void GL_APIENTRY glFinish(void);
GL_APICALL void GL_APIENTRY glFlush(void);
GL_APICALL void GL_APIENTRY glFramebufferRenderbuffer(GLenum target,
                                                      GLenum attachment,
                                                      GLenum renderbuffertarget,
                                                      GLuint renderbuffer);
GL_APICALL void GL_APIENTRY glFramebufferTexture2D(GLenum target,
                                                   GLenum attachment,
                                                   GLenum textarget,
                                                   GLuint texture,
                                                   GLint level);
GL_APICALL void GL_APIENTRY glFrontFace(GLenum mode);
GL_APICALL void GL_APIENTRY glGenBuffers(GLsizei n, GLuint* buffers);
GL_APICALL void GL_APIENTRY glGenBuffersForVideoFrame(GLsizei n,
                                                      GLuint* buffers);
GL_APICALL void GL_APIENTRY glGenerateMipmap(GLenum target);
GL_APICALL void GL_APIENTRY glGenFramebuffers(GLsizei n, GLuint* framebuffers);
GL_APICALL void GL_APIENTRY glGenRenderbuffers(GLsizei n,
                                               GLuint* renderbuffers);
GL_APICALL void GL_APIENTRY glGenTextures(GLsizei n, GLuint* textures);
GL_APICALL void GL_APIENTRY glGetActiveAttrib(GLuint program,
                                              GLuint index,
                                              GLsizei bufSize,
                                              GLsizei* length,
                                              GLint* size,
                                              GLenum* type,
                                              GLchar* name);
GL_APICALL void GL_APIENTRY glGetActiveUniform(GLuint program,
                                               GLuint index,
                                               GLsizei bufSize,
                                               GLsizei* length,
                                               GLint* size,
                                               GLenum* type,
                                               GLchar* name);
GL_APICALL void GL_APIENTRY glGetAttachedShaders(GLuint program,
                                                 GLsizei maxCount,
                                                 GLsizei* count,
                                                 GLuint* shaders);
GL_APICALL GLint GL_APIENTRY glGetAttribLocation(GLuint program,
                                                 const GLchar* name);
GL_APICALL void GL_APIENTRY glGetBooleanv(GLenum pname, GLboolean* data);
GL_APICALL void GL_APIENTRY glGetBufferParameteriv(GLenum target,
                                                   GLenum pname,
                                                   GLint* params);
GL_APICALL GLenum GL_APIENTRY glGetError(void);
GL_APICALL void GL_APIENTRY glGetFloatv(GLenum pname, GLfloat* data);
GL_APICALL void GL_APIENTRY
glGetFramebufferAttachmentParameteriv(GLenum target,
                                      GLenum attachment,
                                      GLenum pname,
                                      GLint* params);
GL_APICALL void GL_APIENTRY glGetIntegerv(GLenum pname, GLint* data);
GL_APICALL void GL_APIENTRY glGetProgramiv(GLuint program,
                                           GLenum pname,
                                           GLint* params);
GL_APICALL void GL_APIENTRY glGetProgramInfoLog(GLuint program,
                                                GLsizei bufSize,
                                                GLsizei* length,
                                                GLchar* infoLog);
GL_APICALL void GL_APIENTRY glGetRenderbufferParameteriv(GLenum target,
                                                         GLenum pname,
                                                         GLint* params);
GL_APICALL void GL_APIENTRY glGetShaderiv(GLuint shader,
                                          GLenum pname,
                                          GLint* params);
GL_APICALL void GL_APIENTRY glGetShaderInfoLog(GLuint shader,
                                               GLsizei bufSize,
                                               GLsizei* length,
                                               GLchar* infoLog);
GL_APICALL void GL_APIENTRY glGetShaderPrecisionFormat(GLenum shadertype,
                                                       GLenum precisiontype,
                                                       GLint* range,
                                                       GLint* precision);
GL_APICALL void GL_APIENTRY glGetShaderSource(GLuint shader,
                                              GLsizei bufSize,
                                              GLsizei* length,
                                              GLchar* source);
GL_APICALL const GLubyte* GL_APIENTRY glGetString(GLenum name);
GL_APICALL void GL_APIENTRY glGetTexParameterfv(GLenum target,
                                                GLenum pname,
                                                GLfloat* params);
GL_APICALL void GL_APIENTRY glGetTexParameteriv(GLenum target,
                                                GLenum pname,
                                                GLint* params);
GL_APICALL void GL_APIENTRY glGetUniformfv(GLuint program,
                                           GLint location,
                                           GLfloat* params);
GL_APICALL void GL_APIENTRY glGetUniformiv(GLuint program,
                                           GLint location,
                                           GLint* params);
GL_APICALL GLint GL_APIENTRY glGetUniformLocation(GLuint program,
                                                  const GLchar* name);
GL_APICALL void GL_APIENTRY glGetVertexAttribfv(GLuint index,
                                                GLenum pname,
                                                GLfloat* params);
GL_APICALL void GL_APIENTRY glGetVertexAttribiv(GLuint index,
                                                GLenum pname,
                                                GLint* params);
GL_APICALL void GL_APIENTRY glGetVertexAttribPointerv(GLuint index,
                                                      GLenum pname,
                                                      void** pointer);
GL_APICALL void GL_APIENTRY glHint(GLenum target, GLenum mode);
GL_APICALL GLboolean GL_APIENTRY glIsBuffer(GLuint buffer);
GL_APICALL GLboolean GL_APIENTRY glIsEnabled(GLenum cap);
GL_APICALL GLboolean GL_APIENTRY glIsFramebuffer(GLuint framebuffer);
GL_APICALL GLboolean GL_APIENTRY glIsProgram(GLuint program);
GL_APICALL GLboolean GL_APIENTRY glIsRenderbuffer(GLuint renderbuffer);
GL_APICALL GLboolean GL_APIENTRY glIsShader(GLuint shader);
GL_APICALL GLboolean GL_APIENTRY glIsTexture(GLuint texture);
GL_APICALL void GL_APIENTRY glLineWidth(GLfloat width);
GL_APICALL void GL_APIENTRY glLinkProgram(GLuint program);
GL_APICALL void GL_APIENTRY glPixelStorei(GLenum pname, GLint param);
GL_APICALL void GL_APIENTRY glPolygonOffset(GLfloat factor, GLfloat units);
GL_APICALL void GL_APIENTRY glReadPixels(GLint x,
                                         GLint y,
                                         GLsizei width,
                                         GLsizei height,
                                         GLenum format,
                                         GLenum type,
                                         void* pixels);
GL_APICALL void GL_APIENTRY glReleaseShaderCompiler(void);
GL_APICALL void GL_APIENTRY glRenderbufferStorage(GLenum target,
                                                  GLenum internalformat,
                                                  GLsizei width,
                                                  GLsizei height);
GL_APICALL void GL_APIENTRY glSampleCoverage(GLfloat value, GLboolean invert);
GL_APICALL void GL_APIENTRY glScissor(GLint x,
                                      GLint y,
                                      GLsizei width,
                                      GLsizei height);
GL_APICALL void GL_APIENTRY glShaderBinary(GLsizei count,
                                           const GLuint* shaders,
                                           GLenum binaryformat,
                                           const void* binary,
                                           GLsizei length);
GL_APICALL void GL_APIENTRY glShaderSource(GLuint shader,
                                           GLsizei count,
                                           const GLchar* const* string,
                                           const GLint* length);
GL_APICALL void GL_APIENTRY glStencilFunc(GLenum func, GLint ref, GLuint mask);
GL_APICALL void GL_APIENTRY glStencilFuncSeparate(GLenum face,
                                                  GLenum func,
                                                  GLint ref,
                                                  GLuint mask);
GL_APICALL void GL_APIENTRY glStencilMask(GLuint mask);
GL_APICALL void GL_APIENTRY glStencilMaskSeparate(GLenum face, GLuint mask);
GL_APICALL void GL_APIENTRY glStencilOp(GLenum fail,
                                        GLenum zfail,
                                        GLenum zpass);
GL_APICALL void GL_APIENTRY glStencilOpSeparate(GLenum face,
                                                GLenum sfail,
                                                GLenum dpfail,
                                                GLenum dppass);
GL_APICALL void GL_APIENTRY glTexImage2D(GLenum target,
                                         GLint level,
                                         GLint internalformat,
                                         GLsizei width,
                                         GLsizei height,
                                         GLint border,
                                         GLenum format,
                                         GLenum type,
                                         const void* pixels);
GL_APICALL void GL_APIENTRY glTexParameterf(GLenum target,
                                            GLenum pname,
                                            GLfloat param);
GL_APICALL void GL_APIENTRY glTexParameterfv(GLenum target,
                                             GLenum pname,
                                             const GLfloat* params);
GL_APICALL void GL_APIENTRY glTexParameteri(GLenum target,
                                            GLenum pname,
                                            GLint param);
GL_APICALL void GL_APIENTRY glTexParameteriv(GLenum target,
                                             GLenum pname,
                                             const GLint* params);
GL_APICALL void GL_APIENTRY glTexSubImage2D(GLenum target,
                                            GLint level,
                                            GLint xoffset,
                                            GLint yoffset,
                                            GLsizei width,
                                            GLsizei height,
                                            GLenum format,
                                            GLenum type,
                                            const void* pixels);
GL_APICALL void GL_APIENTRY glUniform1f(GLint location, GLfloat v0);
GL_APICALL void GL_APIENTRY glUniform1fv(GLint location,
                                         GLsizei count,
                                         const GLfloat* value);
GL_APICALL void GL_APIENTRY glUniform1i(GLint location, GLint v0);
GL_APICALL void GL_APIENTRY glUniform1iv(GLint location,
                                         GLsizei count,
                                         const GLint* value);
GL_APICALL void GL_APIENTRY glUniform2f(GLint location, GLfloat v0, GLfloat v1);
GL_APICALL void GL_APIENTRY glUniform2fv(GLint location,
                                         GLsizei count,
                                         const GLfloat* value);
GL_APICALL void GL_APIENTRY glUniform2i(GLint location, GLint v0, GLint v1);
GL_APICALL void GL_APIENTRY glUniform2iv(GLint location,
                                         GLsizei count,
                                         const GLint* value);
GL_APICALL void GL_APIENTRY glUniform3f(GLint location,
                                        GLfloat v0,
                                        GLfloat v1,
                                        GLfloat v2);
GL_APICALL void GL_APIENTRY glUniform3fv(GLint location,
                                         GLsizei count,
                                         const GLfloat* value);
GL_APICALL void GL_APIENTRY glUniform3i(GLint location,
                                        GLint v0,
                                        GLint v1,
                                        GLint v2);
GL_APICALL void GL_APIENTRY glUniform3iv(GLint location,
                                         GLsizei count,
                                         const GLint* value);
GL_APICALL void GL_APIENTRY
glUniform4f(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
GL_APICALL void GL_APIENTRY glUniform4fv(GLint location,
                                         GLsizei count,
                                         const GLfloat* value);
GL_APICALL void GL_APIENTRY
glUniform4i(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
GL_APICALL void GL_APIENTRY glUniform4iv(GLint location,
                                         GLsizei count,
                                         const GLint* value);
GL_APICALL void GL_APIENTRY glUniformMatrix2fv(GLint location,
                                               GLsizei count,
                                               GLboolean transpose,
                                               const GLfloat* value);
GL_APICALL void GL_APIENTRY glUniformMatrix3fv(GLint location,
                                               GLsizei count,
                                               GLboolean transpose,
                                               const GLfloat* value);
GL_APICALL void GL_APIENTRY glUniformMatrix4fv(GLint location,
                                               GLsizei count,
                                               GLboolean transpose,
                                               const GLfloat* value);
GL_APICALL void GL_APIENTRY glUseProgram(GLuint program);
GL_APICALL void GL_APIENTRY glValidateProgram(GLuint program);
GL_APICALL void GL_APIENTRY glVertexAttrib1f(GLuint index, GLfloat x);
GL_APICALL void GL_APIENTRY glVertexAttrib1fv(GLuint index, const GLfloat* v);
GL_APICALL void GL_APIENTRY glVertexAttrib2f(GLuint index,
                                             GLfloat x,
                                             GLfloat y);
GL_APICALL void GL_APIENTRY glVertexAttrib2fv(GLuint index, const GLfloat* v);
GL_APICALL void GL_APIENTRY glVertexAttrib3f(GLuint index,
                                             GLfloat x,
                                             GLfloat y,
                                             GLfloat z);
GL_APICALL void GL_APIENTRY glVertexAttrib3fv(GLuint index, const GLfloat* v);
GL_APICALL void GL_APIENTRY
glVertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
GL_APICALL void GL_APIENTRY glVertexAttrib4fv(GLuint index, const GLfloat* v);
GL_APICALL void GL_APIENTRY glVertexAttribPointer(GLuint index,
                                                  GLint size,
                                                  GLenum type,
                                                  GLboolean normalized,
                                                  GLsizei stride,
                                                  const void* pointer);
GL_APICALL void GL_APIENTRY glViewport(GLint x,
                                       GLint y,
                                       GLsizei width,
                                       GLsizei height);
#endif
#endif /* GL_ES_VERSION_2_0 */

#ifdef __cplusplus
}
#endif

#endif