path: root/gfx/gl/GLContextSymbols.h

/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef GLCONTEXTSYMBOLS_H_
#define GLCONTEXTSYMBOLS_H_

#include "GLDefs.h"

/*
 * This file should only be included by GLContext.h, and should be
 * autogenerated in the future.
 */

#ifndef GLAPIENTRY
#ifdef XP_WIN
#define GLAPIENTRY __stdcall
#else
#define GLAPIENTRY
#endif
#define GLAPI
#endif

namespace mozilla {
namespace gl {

struct GLContextSymbols final
{
    GLContextSymbols() = delete; // Initialize with {}.

    typedef void (GLAPIENTRY * PFNGLACTIVETEXTUREPROC) (GLenum texture);
    PFNGLACTIVETEXTUREPROC fActiveTexture;
    typedef void (GLAPIENTRY * PFNGLATTACHSHADERPROC) (GLuint program, GLuint shader);
    PFNGLATTACHSHADERPROC fAttachShader;
    typedef void (GLAPIENTRY * PFNGLBEGINQUERYPROC) (GLenum target, GLuint id);
    PFNGLBEGINQUERYPROC fBeginQuery;
    typedef void (GLAPIENTRY * PFNGLBINDATTRIBLOCATIONPROC) (GLuint program, GLuint index, const GLchar* name);
    PFNGLBINDATTRIBLOCATIONPROC fBindAttribLocation;
    typedef void (GLAPIENTRY * PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer);
    PFNGLBINDBUFFERPROC fBindBuffer;
    typedef void (GLAPIENTRY * PFNGLBINDTEXTUREPROC) (GLenum target, GLuint texture);
    PFNGLBINDTEXTUREPROC fBindTexture;
    typedef void (GLAPIENTRY * PFNGLBINDVERTEXARRAYPROC) (GLuint array);
    PFNGLBINDVERTEXARRAYPROC fBindVertexArray;
    typedef void (GLAPIENTRY * PFNGLBLENDCOLORPROC) (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
    PFNGLBLENDCOLORPROC fBlendColor;
    typedef void (GLAPIENTRY * PFNGLBLENDEQUATIONPROC) (GLenum mode);
    PFNGLBLENDEQUATIONPROC fBlendEquation;
    typedef void (GLAPIENTRY * PFNGLBLENDEQUATIONSEPARATEPROC) (GLenum, GLenum);
    PFNGLBLENDEQUATIONSEPARATEPROC fBlendEquationSeparate;
    typedef void (GLAPIENTRY * PFNGLBLENDFUNCPROC) (GLenum, GLenum);
    PFNGLBLENDFUNCPROC fBlendFunc;
    typedef void (GLAPIENTRY * PFNGLBLENDFUNCSEPARATEPROC) (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
    PFNGLBLENDFUNCSEPARATEPROC fBlendFuncSeparate;
    typedef void (GLAPIENTRY * PFNGLBUFFERDATAPROC) (GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage);
    PFNGLBUFFERDATAPROC fBufferData;
    typedef void (GLAPIENTRY * PFNGLBUFFERSUBDATAPROC) (GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data);
    PFNGLBUFFERSUBDATAPROC fBufferSubData;
    typedef void (GLAPIENTRY * PFNGLCLEARPROC) (GLbitfield);
    PFNGLCLEARPROC fClear;
    typedef void (GLAPIENTRY * PFNGLCLEARBUFFERFIPROC) (GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil);
    PFNGLCLEARBUFFERFIPROC fClearBufferfi;
    typedef void (GLAPIENTRY * PFNGLCLEARBUFFERFVPROC) (GLenum buffer, GLint drawbuffer, const GLfloat* value);
    PFNGLCLEARBUFFERFVPROC fClearBufferfv;
    typedef void (GLAPIENTRY * PFNGLCLEARBUFFERIVPROC) (GLenum buffer, GLint drawbuffer, const GLint* value);
    PFNGLCLEARBUFFERIVPROC fClearBufferiv;
    typedef void (GLAPIENTRY * PFNGLCLEARBUFFERUIVPROC) (GLenum buffer, GLint drawbuffer, const GLuint* value);
    PFNGLCLEARBUFFERUIVPROC fClearBufferuiv;
    typedef void (GLAPIENTRY * PFNGLCLEARCOLORPROC) (GLfloat, GLfloat, GLfloat, GLfloat);
    PFNGLCLEARCOLORPROC fClearColor;
    typedef void (GLAPIENTRY * PFNGLCLEARSTENCILPROC) (GLint);
    PFNGLCLEARSTENCILPROC fClearStencil;
    typedef void (GLAPIENTRY * PFNGLCOLORMASKPROC) (realGLboolean red, realGLboolean green, realGLboolean blue, realGLboolean alpha);
    PFNGLCOLORMASKPROC fColorMask;
    typedef void (GLAPIENTRY * PFNGLCOMPRESSEDTEXIMAGE2D) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid* pixels);
    PFNGLCOMPRESSEDTEXIMAGE2D fCompressedTexImage2D;
    typedef void (GLAPIENTRY * PFNGLCOMPRESSEDTEXSUBIMAGE2D) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid* pixels);
    PFNGLCOMPRESSEDTEXSUBIMAGE2D fCompressedTexSubImage2D;
    typedef void (GLAPIENTRY * PFNGLCULLFACEPROC) (GLenum mode);
    PFNGLCULLFACEPROC fCullFace;
    typedef void (GLAPIENTRY * PFNGLDETACHSHADERPROC) (GLuint program, GLuint shader);
    PFNGLDETACHSHADERPROC fDetachShader;
    typedef void (GLAPIENTRY * PFNGLDEPTHFUNCPROC) (GLenum);
    PFNGLDEPTHFUNCPROC fDepthFunc;
    typedef void (GLAPIENTRY * PFNGLDEPTHMASKPROC) (realGLboolean);
    PFNGLDEPTHMASKPROC fDepthMask;
    typedef void (GLAPIENTRY * PFNGLDISABLEPROC) (GLenum);
    PFNGLDISABLEPROC fDisable;
    typedef void (GLAPIENTRY * PFNGLDISABLEVERTEXATTRIBARRAYPROC) (GLuint);
    PFNGLDISABLEVERTEXATTRIBARRAYPROC fDisableVertexAttribArray;
    typedef void (GLAPIENTRY * PFNGLDRAWARRAYSPROC) (GLenum mode, GLint first, GLsizei count);
    PFNGLDRAWARRAYSPROC fDrawArrays;
    typedef void (GLAPIENTRY * PFNGLDRAWBUFFERPROC) (GLenum mode);
    PFNGLDRAWBUFFERPROC fDrawBuffer;
    typedef void (GLAPIENTRY * PFNGLDRAWBUFFERSPROC) (GLsizei n, const GLenum* bufs);
    PFNGLDRAWBUFFERSPROC fDrawBuffers;
    typedef void (GLAPIENTRY * PFNGLDRAWELEMENTSPROC) (GLenum mode, GLsizei count, GLenum type, const GLvoid* indices);
    PFNGLDRAWELEMENTSPROC fDrawElements;
    typedef void (GLAPIENTRY * PFNGLENABLEPROC) (GLenum);
    PFNGLENABLEPROC fEnable;
    typedef void (GLAPIENTRY * PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint);
    PFNGLENABLEVERTEXATTRIBARRAYPROC fEnableVertexAttribArray;
    typedef void (GLAPIENTRY * PFNGLFINISHPROC) (void);
    PFNGLFINISHPROC fFinish;
    typedef void (GLAPIENTRY * PFNGLENDQUERYPROC) (GLenum target);
    PFNGLENDQUERYPROC fEndQuery;
    typedef void (GLAPIENTRY * PFNGLFLUSHPROC) (void);
    PFNGLFLUSHPROC fFlush;
    typedef void (GLAPIENTRY * PFNGLFRONTFACEPROC) (GLenum);
    PFNGLFRONTFACEPROC fFrontFace;
    typedef void (GLAPIENTRY * PFNGLGETACTIVEATTRIBPROC) (GLuint program, GLuint index, GLsizei maxLength, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
    PFNGLGETACTIVEATTRIBPROC fGetActiveAttrib;
    typedef void (GLAPIENTRY * PFNGLGETACTIVEUNIFORMPROC) (GLuint program, GLuint index, GLsizei maxLength, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
    PFNGLGETACTIVEUNIFORMPROC fGetActiveUniform;
    typedef void (GLAPIENTRY * PFNGLGETATTACHEDSHADERSPROC) (GLuint program, GLsizei maxCount, GLsizei* count, GLuint* shaders);
    PFNGLGETATTACHEDSHADERSPROC fGetAttachedShaders;
    typedef GLint (GLAPIENTRY * PFNGLGETATTRIBLOCATIONPROC) (GLuint program, const GLchar* name);
    PFNGLGETATTRIBLOCATIONPROC fGetAttribLocation;
    typedef void (GLAPIENTRY * PFNGLGETINTEGERVPROC) (GLenum pname, GLint* params);
    PFNGLGETINTEGERVPROC fGetIntegerv;
    typedef void (GLAPIENTRY * PFNGLGETFLOATVPROC) (GLenum pname, GLfloat* params);
    PFNGLGETFLOATVPROC fGetFloatv;
    typedef void (GLAPIENTRY * PFNGLGETBOOLEANBPROC) (GLenum pname, realGLboolean* params);
    PFNGLGETBOOLEANBPROC fGetBooleanv;
    typedef void (GLAPIENTRY * PFNGLGETBUFFERPARAMETERIVPROC) (GLenum target, GLenum pname, GLint* params);
    PFNGLGETBUFFERPARAMETERIVPROC fGetBufferParameteriv;
    typedef void (GLAPIENTRY * PFNGLGENERATEMIPMAPPROC) (GLenum target);
    PFNGLGENERATEMIPMAPPROC fGenerateMipmap;
    typedef GLenum (GLAPIENTRY * PFNGLGETERRORPROC) (void);
    PFNGLGETERRORPROC fGetError;
    typedef void (GLAPIENTRY * PFNGLGETPROGRAMIVPROC) (GLuint program, GLenum pname, GLint* param);
    PFNGLGETPROGRAMIVPROC fGetProgramiv;
    typedef void (GLAPIENTRY * PFNGLGETPROGRAMINFOLOGPROC) (GLuint program, GLsizei bufSize, GLsizei* length, GLchar* infoLog);
    PFNGLGETPROGRAMINFOLOGPROC fGetProgramInfoLog;
    typedef void (GLAPIENTRY * PFNGLGETQUERYIVPROC) (GLenum target, GLenum pname, GLint* params);
    PFNGLGETQUERYIVPROC fGetQueryiv;
    typedef void (GLAPIENTRY * PFNGLGETQUERYOBJECTIVPROC) (GLuint id, GLenum pname, GLint* params);
    PFNGLGETQUERYOBJECTIVPROC fGetQueryObjectiv;
    typedef void (GLAPIENTRY * PFNGLGETQUERYOBJECTUIVPROC) (GLuint id, GLenum pname, GLuint* params);
    PFNGLGETQUERYOBJECTUIVPROC fGetQueryObjectuiv;
    typedef void (GLAPIENTRY * PFNGLGETQUERYOBJECTI64VPROC) (GLuint id, GLenum pname, GLint64* params);
    PFNGLGETQUERYOBJECTI64VPROC fGetQueryObjecti64v;
    typedef void (GLAPIENTRY * PFNGLGETQUERYOBJECTUI64VPROC) (GLuint id, GLenum pname, GLuint64* params);
    PFNGLGETQUERYOBJECTUI64VPROC fGetQueryObjectui64v;
    typedef void (GLAPIENTRY * PFNGLQUERYCOUNTERPROC) (GLuint id, GLenum target);
    PFNGLQUERYCOUNTERPROC fQueryCounter;
    typedef void (GLAPIENTRY * PFNGLTEXPARAMETERIPROC) (GLenum target, GLenum pname, GLint param);
    PFNGLTEXPARAMETERIPROC fTexParameteri;
    typedef void (GLAPIENTRY * PFNGLTEXPARAMETERIVPROC) (GLenum target, GLenum pname, const GLint* param);
    PFNGLTEXPARAMETERIVPROC fTexParameteriv;
    typedef void (GLAPIENTRY * PFNGLTEXPARAMETERFPROC) (GLenum target, GLenum pname, GLfloat param);
    PFNGLTEXPARAMETERFPROC fTexParameterf;
    typedef GLubyte* (GLAPIENTRY * PFNGLGETSTRINGPROC) (GLenum);
    PFNGLGETSTRINGPROC fGetString;
    typedef void (GLAPIENTRY * PFNGLGETTEXIMAGEPROC) (GLenum target, GLint level, GLenum format, GLenum type, GLvoid* image);
    PFNGLGETTEXIMAGEPROC fGetTexImage;
    typedef void (GLAPIENTRY * PFNGLGETTEXLEVELPARAMETERIVPROC) (GLenum target, GLint level, GLenum pname, GLint* params);
    PFNGLGETTEXLEVELPARAMETERIVPROC fGetTexLevelParameteriv;
    typedef void (GLAPIENTRY * PFNGLGETTEXPARAMETERFVPROC) (GLenum target, GLenum pname, GLfloat* params);
    PFNGLGETTEXPARAMETERFVPROC fGetTexParameterfv;
    typedef void (GLAPIENTRY * PFNGLGETTEXPARAMETERIVPROC) (GLenum target, GLenum pname, GLint* params);
    PFNGLGETTEXPARAMETERIVPROC fGetTexParameteriv;
    typedef void (GLAPIENTRY * PFNGLGETUNIFORMFVPROC) (GLuint program, GLint location, GLfloat* params);
    PFNGLGETUNIFORMFVPROC fGetUniformfv;
    typedef void (GLAPIENTRY * PFNGLGETUNIFORMIVPROC) (GLuint program, GLint location, GLint* params);
    PFNGLGETUNIFORMIVPROC fGetUniformiv;
    typedef void (GLAPIENTRY * PFNGLGETUNIFORMUIVPROC) (GLuint program, GLint location, GLuint* params);
    PFNGLGETUNIFORMUIVPROC fGetUniformuiv;
    typedef GLint (GLAPIENTRY * PFNGLGETUNIFORMLOCATIONPROC) (GLint programObj, const GLchar* name);
    PFNGLGETUNIFORMLOCATIONPROC fGetUniformLocation;
    typedef void (GLAPIENTRY * PFNGLGETVERTEXATTRIBFVPROC) (GLuint, GLenum, GLfloat*);
    PFNGLGETVERTEXATTRIBFVPROC fGetVertexAttribfv;
    typedef void (GLAPIENTRY * PFNGLGETVERTEXATTRIBIVPROC) (GLuint, GLenum, GLint*);
    PFNGLGETVERTEXATTRIBIVPROC fGetVertexAttribiv;
    typedef void (GLAPIENTRY * PFNGLGETVERTEXATTRIBPOINTERVPROC) (GLuint, GLenum, GLvoid**);
    PFNGLGETVERTEXATTRIBPOINTERVPROC fGetVertexAttribPointerv;
    typedef void (GLAPIENTRY * PFNGLHINTPROC) (GLenum target, GLenum mode);
    PFNGLHINTPROC fHint;
    typedef realGLboolean (GLAPIENTRY * PFNGLISBUFFERPROC) (GLuint buffer);
    PFNGLISBUFFERPROC fIsBuffer;
    typedef realGLboolean (GLAPIENTRY * PFNGLISENABLEDPROC) (GLenum cap);
    PFNGLISENABLEDPROC fIsEnabled;
    typedef realGLboolean (GLAPIENTRY * PFNGLISPROGRAMPROC) (GLuint program);
    PFNGLISPROGRAMPROC fIsProgram;
    typedef realGLboolean (GLAPIENTRY * PFNGLISQUERYPROC) (GLuint id);
    PFNGLISQUERYPROC fIsQuery;
    typedef realGLboolean (GLAPIENTRY * PFNGLISSHADERPROC) (GLuint shader);
    PFNGLISSHADERPROC fIsShader;
    typedef realGLboolean (GLAPIENTRY * PFNGLISTEXTUREPROC) (GLuint texture);
    PFNGLISTEXTUREPROC fIsTexture;
    typedef void (GLAPIENTRY * PFNGLLINEWIDTHPROC) (GLfloat width);
    PFNGLLINEWIDTHPROC fLineWidth;
    typedef void (GLAPIENTRY * PFNGLLINKPROGRAMPROC) (GLuint program);
    PFNGLLINKPROGRAMPROC fLinkProgram;
    typedef void (GLAPIENTRY * PFNGLPIXELSTOREIPROC) (GLenum pname, GLint param);
    PFNGLPIXELSTOREIPROC fPixelStorei;
    typedef void (GLAPIENTRY * PFNGLPOINTPARAMETERFPROC) (GLenum pname, GLfloat param);
    PFNGLPOINTPARAMETERFPROC fPointParameterf;
    typedef void (GLAPIENTRY * PFNGLPOLYGONOFFSETPROC) (GLfloat factor, GLfloat bias);
    PFNGLPOLYGONOFFSETPROC fPolygonOffset;
    typedef void (GLAPIENTRY * PFNGLREADBUFFERPROC) (GLenum);
    PFNGLREADBUFFERPROC fReadBuffer;
    typedef void (GLAPIENTRY * PFNGLREADPIXELSPROC) (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels);
    PFNGLREADPIXELSPROC fReadPixels;
    typedef void (GLAPIENTRY * PFNGLSAMPLECOVERAGEPROC) (GLclampf value, realGLboolean invert);
    PFNGLSAMPLECOVERAGEPROC fSampleCoverage;
    typedef void (GLAPIENTRY * PFNGLSTENCILFUNCPROC) (GLenum func, GLint ref, GLuint mask);
    PFNGLSTENCILFUNCPROC fStencilFunc;
    typedef void (GLAPIENTRY * PFNGLSTENCILFUNCSEPARATEPROC) (GLenum frontfunc, GLenum backfunc, GLint ref, GLuint mask);
    PFNGLSTENCILFUNCSEPARATEPROC fStencilFuncSeparate;
    typedef void (GLAPIENTRY * PFNGLSTENCILMASKPROC) (GLuint mask);
    PFNGLSTENCILMASKPROC fStencilMask;
    typedef void (GLAPIENTRY * PFNGLSTENCILMASKSEPARATEPROC) (GLenum, GLuint);
    PFNGLSTENCILMASKSEPARATEPROC fStencilMaskSeparate;
    typedef void (GLAPIENTRY * PFNGLSTENCILOPPROC) (GLenum fail, GLenum zfail, GLenum zpass);
    PFNGLSTENCILOPPROC fStencilOp;
    typedef void (GLAPIENTRY * PFNGLSTENCILOPSEPARATEPROC) (GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass);
    PFNGLSTENCILOPSEPARATEPROC fStencilOpSeparate;
    typedef void (GLAPIENTRY * PFNGLTEXIMAGE2DPROC) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid* pixels);
    PFNGLTEXIMAGE2DPROC fTexImage2D;
    typedef void (GLAPIENTRY * PFNGLTEXSUBIMAGE2DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void* pixels);
    PFNGLTEXSUBIMAGE2DPROC fTexSubImage2D;
    typedef void (GLAPIENTRY * PFNGLTEXTURERANGEAPPLEPROC) (GLenum target, GLsizei length, GLvoid* pointer);
    PFNGLTEXTURERANGEAPPLEPROC fTextureRangeAPPLE;
    typedef void (GLAPIENTRY * PFNGLUNIFORM1FPROC) (GLint location, GLfloat v0);
    PFNGLUNIFORM1FPROC fUniform1f;
    typedef void (GLAPIENTRY * PFNGLUNIFORM1FVPROC) (GLint location, GLsizei count, const GLfloat* value);
    PFNGLUNIFORM1FVPROC fUniform1fv;
    typedef void (GLAPIENTRY * PFNGLUNIFORM1IPROC) (GLint location, GLint v0);
    PFNGLUNIFORM1IPROC fUniform1i;
    typedef void (GLAPIENTRY * PFNGLUNIFORM1IVPROC) (GLint location, GLsizei count, const GLint* value);
    PFNGLUNIFORM1IVPROC fUniform1iv;
    typedef void (GLAPIENTRY * PFNGLUNIFORM2FPROC) (GLint location, GLfloat v0, GLfloat v1);
    PFNGLUNIFORM2FPROC fUniform2f;
    typedef void (GLAPIENTRY * PFNGLUNIFORM2FVPROC) (GLint location, GLsizei count, const GLfloat* value);
    PFNGLUNIFORM2FVPROC fUniform2fv;
    typedef void (GLAPIENTRY * PFNGLUNIFORM2IPROC) (GLint location, GLint v0, GLint v1);
    PFNGLUNIFORM2IPROC fUniform2i;
    typedef void (GLAPIENTRY * PFNGLUNIFORM2IVPROC) (GLint location, GLsizei count, const GLint* value);
    PFNGLUNIFORM2IVPROC fUniform2iv;
    typedef void (GLAPIENTRY * PFNGLUNIFORM3FPROC) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
    PFNGLUNIFORM3FPROC fUniform3f;
    typedef void (GLAPIENTRY * PFNGLUNIFORM3FVPROC) (GLint location, GLsizei count, const GLfloat* value);
    PFNGLUNIFORM3FVPROC fUniform3fv;
    typedef void (GLAPIENTRY * PFNGLUNIFORM3IPROC) (GLint location, GLint v0, GLint v1, GLint v2);
    PFNGLUNIFORM3IPROC fUniform3i;
    typedef void (GLAPIENTRY * PFNGLUNIFORM3IVPROC) (GLint location, GLsizei count, const GLint* value);
    PFNGLUNIFORM3IVPROC fUniform3iv;
    typedef void (GLAPIENTRY * PFNGLUNIFORM4FPROC) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
    PFNGLUNIFORM4FPROC fUniform4f;
    typedef void (GLAPIENTRY * PFNGLUNIFORM4FVPROC) (GLint location, GLsizei count, const GLfloat* value);
    PFNGLUNIFORM4FVPROC fUniform4fv;
    typedef void (GLAPIENTRY * PFNGLUNIFORM4IPROC) (GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
    PFNGLUNIFORM4IPROC fUniform4i;
    typedef void (GLAPIENTRY * PFNGLUNIFORM4IVPROC) (GLint location, GLsizei count, const GLint* value);
    PFNGLUNIFORM4IVPROC fUniform4iv;
    typedef void (GLAPIENTRY * PFNGLUNIFORMMATRIX2FVPROC) (GLint location, GLsizei count, realGLboolean transpose, const GLfloat* value);
    PFNGLUNIFORMMATRIX2FVPROC fUniformMatrix2fv;
    typedef void (GLAPIENTRY * PFNGLUNIFORMMATRIX2X3FVPROC) (GLint location, GLsizei count, realGLboolean transpose, const GLfloat* value);
    PFNGLUNIFORMMATRIX2X3FVPROC fUniformMatrix2x3fv;
    typedef void (GLAPIENTRY * PFNGLUNIFORMMATRIX2X4FVPROC) (GLint location, GLsizei count, realGLboolean transpose, const GLfloat* value);
    PFNGLUNIFORMMATRIX2X4FVPROC fUniformMatrix2x4fv;
    typedef void (GLAPIENTRY * PFNGLUNIFORMMATRIX3FVPROC) (GLint location, GLsizei count, realGLboolean transpose, const GLfloat* value);
    PFNGLUNIFORMMATRIX3FVPROC fUniformMatrix3fv;
    typedef void (GLAPIENTRY * PFNGLUNIFORMMATRIX3X2FVPROC) (GLint location, GLsizei count, realGLboolean transpose, const GLfloat* value);
    PFNGLUNIFORMMATRIX3X2FVPROC fUniformMatrix3x2fv;
    typedef void (GLAPIENTRY * PFNGLUNIFORMMATRIX3X4FVPROC) (GLint location, GLsizei count, realGLboolean transpose, const GLfloat* value);
    PFNGLUNIFORMMATRIX3X4FVPROC fUniformMatrix3x4fv;
    typedef void (GLAPIENTRY * PFNGLUNIFORMMATRIX4FVPROC) (GLint location, GLsizei count, realGLboolean transpose, const GLfloat* value);
    PFNGLUNIFORMMATRIX4FVPROC fUniformMatrix4fv;
    typedef void (GLAPIENTRY * PFNGLUNIFORMMATRIX4X2FVPROC) (GLint location, GLsizei count, realGLboolean transpose, const GLfloat* value);
    PFNGLUNIFORMMATRIX4X2FVPROC fUniformMatrix4x2fv;
    typedef void (GLAPIENTRY * PFNGLUNIFORMMATRIX4X3FVPROC) (GLint location, GLsizei count, realGLboolean transpose, const GLfloat* value);
    PFNGLUNIFORMMATRIX4X3FVPROC fUniformMatrix4x3fv;

    typedef void (GLAPIENTRY * PFNGLUSEPROGRAMPROC) (GLuint program);
    PFNGLUSEPROGRAMPROC fUseProgram;
    typedef void (GLAPIENTRY * PFNGLVALIDATEPROGRAMPROC) (GLuint program);
    PFNGLVALIDATEPROGRAMPROC fValidateProgram;
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIBPOINTERPROC) (GLuint index, GLint size, GLenum type, realGLboolean normalized, GLsizei stride, const GLvoid* pointer);
    PFNGLVERTEXATTRIBPOINTERPROC fVertexAttribPointer;
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIB1FPROC) (GLuint index, GLfloat x);
    PFNGLVERTEXATTRIB1FPROC fVertexAttrib1f;
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIB2FPROC) (GLuint index, GLfloat x, GLfloat y);
    PFNGLVERTEXATTRIB2FPROC fVertexAttrib2f;
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIB3FPROC) (GLuint index, GLfloat x, GLfloat y, GLfloat z);
    PFNGLVERTEXATTRIB3FPROC fVertexAttrib3f;
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIB4FPROC) (GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
    PFNGLVERTEXATTRIB4FPROC fVertexAttrib4f;
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIB1FVPROC) (GLuint index, const GLfloat* v);
    PFNGLVERTEXATTRIB1FVPROC fVertexAttrib1fv;
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIB2FVPROC) (GLuint index, const GLfloat* v);
    PFNGLVERTEXATTRIB2FVPROC fVertexAttrib2fv;
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIB3FVPROC) (GLuint index, const GLfloat* v);
    PFNGLVERTEXATTRIB3FVPROC fVertexAttrib3fv;
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIB4FVPROC) (GLuint index, const GLfloat* v);
    PFNGLVERTEXATTRIB4FVPROC fVertexAttrib4fv;
    typedef void (GLAPIENTRY * PFNGLCOMPILESHADERPROC) (GLuint shader);
    PFNGLCOMPILESHADERPROC fCompileShader;
    typedef void (GLAPIENTRY * PFNGLCOPYTEXIMAGE2DPROC) (GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
    PFNGLCOPYTEXIMAGE2DPROC fCopyTexImage2D;
    typedef void (GLAPIENTRY * PFNGLCOPYTEXSUBIMAGE2DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
    PFNGLCOPYTEXSUBIMAGE2DPROC fCopyTexSubImage2D;
    typedef void (GLAPIENTRY * PFNGLGETSHADERIVPROC) (GLuint shader, GLenum pname, GLint* param);
    PFNGLGETSHADERIVPROC fGetShaderiv;
    typedef void (GLAPIENTRY * PFNGLGETSHADERINFOLOGPROC) (GLuint shader, GLsizei bufSize, GLsizei* length, GLchar* infoLog);
    PFNGLGETSHADERINFOLOGPROC fGetShaderInfoLog;
    typedef void (GLAPIENTRY * PFNGETSHADERPRECISIONFORMAT) (GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision);
    PFNGETSHADERPRECISIONFORMAT fGetShaderPrecisionFormat;
    typedef void (GLAPIENTRY * PFNGLGETSHADERSOURCEPROC) (GLint obj, GLsizei maxLength, GLsizei* length, GLchar* source);
    PFNGLGETSHADERSOURCEPROC fGetShaderSource;
    typedef void (GLAPIENTRY * PFNGLSHADERSOURCEPROC) (GLuint shader, GLsizei count, const GLchar* const* strings, const GLint* lengths);
    PFNGLSHADERSOURCEPROC fShaderSource;

    typedef void (GLAPIENTRY * PFNGLBINDFRAMEBUFFER) (GLenum target, GLuint framebuffer);
    PFNGLBINDFRAMEBUFFER fBindFramebuffer;
    typedef void (GLAPIENTRY * PFNGLBINDRENDERBUFFER) (GLenum target, GLuint renderbuffer);
    PFNGLBINDRENDERBUFFER fBindRenderbuffer;
    typedef GLenum (GLAPIENTRY * PFNGLCHECKFRAMEBUFFERSTATUS) (GLenum target);
    PFNGLCHECKFRAMEBUFFERSTATUS fCheckFramebufferStatus;
    typedef void (GLAPIENTRY * PFNGLFRAMEBUFFERRENDERBUFFER) (GLenum target, GLenum attachmentPoint, GLenum renderbufferTarget, GLuint renderbuffer);
    PFNGLFRAMEBUFFERRENDERBUFFER fFramebufferRenderbuffer;
    typedef void (GLAPIENTRY * PFNGLFRAMEBUFFERTEXTURE2D) (GLenum target, GLenum attachmentPoint, GLenum textureTarget, GLuint texture, GLint level);
    PFNGLFRAMEBUFFERTEXTURE2D fFramebufferTexture2D;
    typedef void (GLAPIENTRY * PFNGLFRAMEBUFFERTEXTURELAYERPROC) (GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer);
    PFNGLFRAMEBUFFERTEXTURELAYERPROC fFramebufferTextureLayer;
    typedef void (GLAPIENTRY * PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIV) (GLenum target, GLenum attachment, GLenum pname, GLint* value);
    PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIV fGetFramebufferAttachmentParameteriv;
    typedef void (GLAPIENTRY * PFNGLGETRENDERBUFFERPARAMETERIV) (GLenum target, GLenum pname, GLint* value);
    PFNGLGETRENDERBUFFERPARAMETERIV fGetRenderbufferParameteriv;
    typedef realGLboolean (GLAPIENTRY * PFNGLISFRAMEBUFFER) (GLuint framebuffer);
    PFNGLISFRAMEBUFFER fIsFramebuffer;
    typedef realGLboolean (GLAPIENTRY * PFNGLISRENDERBUFFER) (GLuint renderbuffer);
    PFNGLISRENDERBUFFER fIsRenderbuffer;
    typedef realGLboolean (GLAPIENTRY * PFNGLISVERTEXARRAY) (GLuint array);
    PFNGLISVERTEXARRAY fIsVertexArray;
    typedef void (GLAPIENTRY * PFNGLRENDERBUFFERSTORAGE) (GLenum target, GLenum internalFormat, GLsizei width, GLsizei height);
    PFNGLRENDERBUFFERSTORAGE fRenderbufferStorage;

    typedef void (GLAPIENTRY * PFNINVALIDATEFRAMEBUFFER) (GLenum target, GLsizei numAttachments, const GLenum* attachments);
    PFNINVALIDATEFRAMEBUFFER fInvalidateFramebuffer;
    typedef void (GLAPIENTRY * PFNINVALIDATESUBFRAMEBUFFER) (GLenum target, GLsizei numAttachments, const GLenum* attachments, GLint x, GLint y, GLsizei width, GLsizei height);
    PFNINVALIDATESUBFRAMEBUFFER fInvalidateSubFramebuffer;

        // These functions are only used by Skia/GL in desktop mode.
        // Other parts of Gecko should avoid using these
        typedef void (GLAPIENTRY * PFNGLCLIENTACTIVETEXTURE) (GLenum texture);
        PFNGLCLIENTACTIVETEXTURE fClientActiveTexture;
        typedef void (GLAPIENTRY * PFNDISABLECLIENTSTATE) (GLenum capability);
        PFNDISABLECLIENTSTATE fDisableClientState;
        typedef void (GLAPIENTRY * PFNENABLECLIENTSTATE) (GLenum capability);
        PFNENABLECLIENTSTATE fEnableClientState;
        typedef void (GLAPIENTRY * PFNLOADIDENTITY) (void);
        PFNLOADIDENTITY fLoadIdentity;
        typedef void (GLAPIENTRY * PFNLOADMATRIXD) (const GLdouble* matrix);
        PFNLOADMATRIXD fLoadMatrixd;
        typedef void (GLAPIENTRY * PFNLOADMATRIXF) (const GLfloat* matrix);
        PFNLOADMATRIXF fLoadMatrixf;
        typedef void (GLAPIENTRY * PFNMATRIXMODE) (GLenum mode);
        PFNMATRIXMODE fMatrixMode;
        typedef void (GLAPIENTRY * PFNTEXGENI) (GLenum coord, GLenum pname, GLint param);
        PFNTEXGENI fTexGeni;
        typedef void (GLAPIENTRY * PFNTEXGENF) (GLenum coord, GLenum pname, GLfloat param);
        PFNTEXGENF fTexGenf;
        typedef void (GLAPIENTRY * PFNTEXGENFV) (GLenum coord, GLenum pname, const GLfloat* param);
        PFNTEXGENFV fTexGenfv;
        typedef void (GLAPIENTRY * PFNVERTEXPOINTER) (GLint size, GLenum type, GLsizei stride, const GLvoid* pointer);
        PFNVERTEXPOINTER fVertexPointer;

    typedef void (GLAPIENTRY * PFNGLBLITFRAMEBUFFER) (GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
    PFNGLBLITFRAMEBUFFER fBlitFramebuffer;
    typedef void (GLAPIENTRY * PFNGLRENDERBUFFERSTORAGEMULTISAMPLE) (GLenum target, GLsizei samples, GLenum internalFormat, GLsizei width, GLsizei height);
    PFNGLRENDERBUFFERSTORAGEMULTISAMPLE fRenderbufferStorageMultisample;


    /* These are different between GLES2 and desktop GL; we hide those differences, use the GL
     * names, but the most limited data type.
     */
    typedef void (GLAPIENTRY * PFNGLDEPTHRANGEFPROC) (GLclampf, GLclampf);
    PFNGLDEPTHRANGEFPROC fDepthRangef;
    typedef void (GLAPIENTRY * PFNGLCLEARDEPTHFPROC) (GLclampf);
    PFNGLCLEARDEPTHFPROC fClearDepthf;

    typedef void (GLAPIENTRY * PFNGLDEPTHRANGEPROC) (GLclampd, GLclampd);
    PFNGLDEPTHRANGEPROC fDepthRange;
    typedef void (GLAPIENTRY * PFNGLCLEARDEPTHPROC) (GLclampd);
    PFNGLCLEARDEPTHPROC fClearDepth;

    /* These are special because we end up tracking these so that we don't
     * have to query the values from GL.
     */

    typedef void (GLAPIENTRY * PFNGLVIEWPORTPROC) (GLint x, GLint y, GLsizei width, GLsizei height);
    PFNGLVIEWPORTPROC fViewport;
    typedef void (GLAPIENTRY * PFNGLSCISSORPROC) (GLint x, GLint y, GLsizei width, GLsizei height);
    PFNGLSCISSORPROC fScissor;


    /* These are special -- they create or delete GL resources that can live
     * in a shared namespace.  In DEBUG, we wrap these calls so that we can
     * check when we have something that failed to do cleanup at the time the
     * final context is destroyed.
     */

    typedef GLuint (GLAPIENTRY * PFNGLCREATEPROGRAMPROC) (void);
    PFNGLCREATEPROGRAMPROC fCreateProgram;
    typedef GLuint (GLAPIENTRY * PFNGLCREATESHADERPROC) (GLenum type);
    PFNGLCREATESHADERPROC fCreateShader;
    typedef void (GLAPIENTRY * PFNGLGENBUFFERSPROC) (GLsizei n, GLuint* buffers);
    PFNGLGENBUFFERSPROC fGenBuffers;
    typedef void (GLAPIENTRY * PFNGLGENQUERIESPROC) (GLsizei n, GLuint* queries);
    PFNGLGENQUERIESPROC fGenQueries;
    typedef void (GLAPIENTRY * PFNGLGENTEXTURESPROC) (GLsizei n, GLuint* textures);
    PFNGLGENTEXTURESPROC fGenTextures;
    typedef void (GLAPIENTRY * PFNGLGENFRAMEBUFFERS) (GLsizei n, GLuint* ids);
    PFNGLGENFRAMEBUFFERS fGenFramebuffers;
    typedef void (GLAPIENTRY * PFNGLGENRENDERBUFFERS) (GLsizei n, GLuint* ids);
    PFNGLGENRENDERBUFFERS fGenRenderbuffers;
    typedef void (GLAPIENTRY * PFNGLGENVERTEXARRAYS) (GLsizei n, GLuint* arrays);
    PFNGLGENVERTEXARRAYS fGenVertexArrays;

    typedef void (GLAPIENTRY * PFNGLDELETEPROGRAMPROC) (GLuint program);
    PFNGLDELETEPROGRAMPROC fDeleteProgram;
    typedef void (GLAPIENTRY * PFNGLDELETESHADERPROC) (GLuint shader);
    PFNGLDELETESHADERPROC fDeleteShader;
    typedef void (GLAPIENTRY * PFNGLDELETEBUFFERSPROC) (GLsizei n, const GLuint* buffers);
    PFNGLDELETEBUFFERSPROC fDeleteBuffers;
    typedef void (GLAPIENTRY * PFNGLDELETEQUERIESPROC) (GLsizei n, const GLuint* queries);
    PFNGLDELETEQUERIESPROC fDeleteQueries;
    typedef void (GLAPIENTRY * PFNGLDELETETEXTURESPROC) (GLsizei n, const GLuint* textures);
    PFNGLDELETETEXTURESPROC fDeleteTextures;
    typedef void (GLAPIENTRY * PFNGLDELETEFRAMEBUFFERS) (GLsizei n, const GLuint* ids);
    PFNGLDELETEFRAMEBUFFERS fDeleteFramebuffers;
    typedef void (GLAPIENTRY * PFNGLDELETERENDERBUFFERS) (GLsizei n, const GLuint* ids);
    PFNGLDELETERENDERBUFFERS fDeleteRenderbuffers;
    typedef void (GLAPIENTRY * PFNGLDELETEVERTEXARRAYS) (GLsizei n, const GLuint* arrays);
    PFNGLDELETEVERTEXARRAYS fDeleteVertexArrays;

    typedef void* (GLAPIENTRY * PFNGLMAPBUFFER) (GLenum target, GLenum access);
    PFNGLMAPBUFFER fMapBuffer;
    typedef realGLboolean (GLAPIENTRY * PFNGLUNMAPBUFFER) (GLenum target);
    PFNGLUNMAPBUFFER fUnmapBuffer;

    // ARB_copy_buffer / OpenGL 3.1 / OpenGL ES 3.0
    typedef void (GLAPIENTRY * PFNGLCOPYBUFFERSUBDATAPROC) (GLenum readTarget, GLenum writeTarget,
                                                            GLintptr readOffset, GLintptr writeOffset,
                                                            GLsizeiptr size);
    PFNGLCOPYBUFFERSUBDATAPROC fCopyBufferSubData;

    typedef GLenum (GLAPIENTRY * PFNGLGETGRAPHICSRESETSTATUS) (void);
    PFNGLGETGRAPHICSRESETSTATUS fGetGraphicsResetStatus;

    // ARB_sync
    typedef GLsync (GLAPIENTRY * PFNGLFENCESYNC) (GLenum condition, GLbitfield flags);
    PFNGLFENCESYNC fFenceSync;
    typedef realGLboolean (GLAPIENTRY * PFNGLISSYNC) (GLsync sync);
    PFNGLISSYNC fIsSync;
    typedef void (GLAPIENTRY * PFNGLDELETESYNC) (GLsync sync);
    PFNGLDELETESYNC fDeleteSync;
    typedef GLenum (GLAPIENTRY * PFNGLCLIENTWAITSYNC) (GLsync sync, GLbitfield flags, GLuint64 timeout);
    PFNGLCLIENTWAITSYNC fClientWaitSync;
    typedef void (GLAPIENTRY * PFNGLWAITSYNC) (GLsync sync, GLbitfield flags, GLuint64 timeout);
    PFNGLWAITSYNC fWaitSync;
    typedef void (GLAPIENTRY * PFNGLGETINTEGER64V) (GLenum pname, GLint64* params);
    PFNGLGETINTEGER64V fGetInteger64v;
    typedef void (GLAPIENTRY * PFNGLGETSYNCIV) (GLsync sync, GLenum pname, GLsizei bufSize, GLsizei* length, GLint* values);
    PFNGLGETSYNCIV fGetSynciv;

    // OES_egl_image
    typedef void (GLAPIENTRY * PFNGLEGLIMAGETARGETTEXTURE2D)(GLenum target, GLeglImage image);
    PFNGLEGLIMAGETARGETTEXTURE2D fEGLImageTargetTexture2D;
    typedef void (GLAPIENTRY * PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGE)(GLenum target, GLeglImage image);
    PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGE fEGLImageTargetRenderbufferStorage;

    // ARB_draw_instanced
    typedef void (GLAPIENTRY * PFNGLDRAWARRAYSINSTANCED) (GLenum mode, GLint first, GLsizei count, GLsizei primcount);
    PFNGLDRAWARRAYSINSTANCED fDrawArraysInstanced;
    typedef void (GLAPIENTRY * PFNGLDRAWELEMENTSINSTANCED) (GLenum mode, GLsizei count, GLenum type, const GLvoid* indices, GLsizei primcount);
    PFNGLDRAWELEMENTSINSTANCED fDrawElementsInstanced;

    // ARB_instanced_array
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIBDIVISOR) (GLuint index, GLuint divisor);
    PFNGLVERTEXATTRIBDIVISOR fVertexAttribDivisor;

    // ARB_internalformat_query
    typedef void (GLAPIENTRY * PFNGLGETINTERNALFORMATIVPROC) (GLenum target, GLenum internalformat, GLenum pname, GLsizei bufSize, GLint* params);
    PFNGLGETINTERNALFORMATIVPROC fGetInternalformativ;

    // ARB_transform_feedback2 / OpenGL 4.0 / OpenGL ES 3.0
    typedef void (GLAPIENTRY * PFNGLBINDBUFFERBASE) (GLenum target, GLuint index, GLuint buffer);
    PFNGLBINDBUFFERBASE fBindBufferBase;
    typedef void (GLAPIENTRY * PFNGLBINDBUFFERRANGE) (GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size);
    PFNGLBINDBUFFERRANGE fBindBufferRange;

    typedef void (GLAPIENTRY * PFNGLGENTRANSFORMFEEDBACKSPROC) (GLsizei n, GLuint* ids);
    PFNGLGENTRANSFORMFEEDBACKSPROC fGenTransformFeedbacks;
    typedef void (GLAPIENTRY * PFNGLDELETETRANSFORMFEEDBACKSPROC) (GLsizei n, const GLuint* ids);
    PFNGLDELETETRANSFORMFEEDBACKSPROC fDeleteTransformFeedbacks;
    typedef realGLboolean (GLAPIENTRY * PFNGLISTRANSFORMFEEDBACKPROC) (GLuint id);
    PFNGLISTRANSFORMFEEDBACKPROC fIsTransformFeedback;
    typedef void (GLAPIENTRY * PFNGLBINDTRANSFORMFEEDBACKPROC) (GLenum target, GLuint id);
    PFNGLBINDTRANSFORMFEEDBACKPROC fBindTransformFeedback;
    typedef void (GLAPIENTRY * PFNGLTRANSFORMFEEDBACKVARYINGS) (GLuint program, GLsizei count, const GLchar* const* varyings, GLenum bufferMode);
    PFNGLTRANSFORMFEEDBACKVARYINGS fTransformFeedbackVaryings;
    typedef void (GLAPIENTRY * PFNGLGETTRANSFORMFEEDBACKVARYING) (GLuint program, GLuint index, GLsizei bufSize, GLsizei* length, GLsizei* size, GLenum* type, GLchar* name);
    PFNGLGETTRANSFORMFEEDBACKVARYING fGetTransformFeedbackVarying;
    typedef void (GLAPIENTRY * PFNGLBEGINTRANSFORMFEEDBACK) (GLenum primitiveMode);
    PFNGLBEGINTRANSFORMFEEDBACK fBeginTransformFeedback;
    typedef void (GLAPIENTRY * PFNGLENDTRANSFORMFEEDBACK) (void);
    PFNGLENDTRANSFORMFEEDBACK fEndTransformFeedback;
    typedef void (GLAPIENTRY * PFNGLPAUSETRANSFORMFEEDBACKPROC) ();
    PFNGLPAUSETRANSFORMFEEDBACKPROC fPauseTransformFeedback;
    typedef void (GLAPIENTRY * PFNGLRESUMETRANSFORMFEEDBACKPROC) ();
    PFNGLRESUMETRANSFORMFEEDBACKPROC fResumeTransformFeedback;

    typedef void (GLAPIENTRY * PFNGLGETINTEGERI_V) (GLenum param, GLuint index, GLint* values);
    PFNGLGETINTEGERI_V fGetIntegeri_v;
    typedef void (GLAPIENTRY * PFNGLGETINTEGER64I_VPROC) (GLenum target, GLuint index, GLint64* data);
    PFNGLGETINTEGER64I_VPROC fGetInteger64i_v;

    // EXT_transform_feedback only
    typedef void (GLAPIENTRY * PFNGLBINDBUFFEROFFSET) (GLenum target, GLuint index, GLuint buffer, GLintptr offset);
    PFNGLBINDBUFFEROFFSET fBindBufferOffset;

    // KHR_debug
    typedef void (GLAPIENTRY * PFNGLDEBUGMESSAGECONTROL) (GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint* ids, realGLboolean enabled);
    PFNGLDEBUGMESSAGECONTROL fDebugMessageControl;
    typedef void (GLAPIENTRY * PFNGLDEBUGMESSAGEINSERT) (GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* buf);
    PFNGLDEBUGMESSAGEINSERT fDebugMessageInsert;
    typedef void (GLAPIENTRY * PFNGLDEBUGMESSAGECALLBACK) (GLDEBUGPROC callback, const GLvoid* userParam);
    PFNGLDEBUGMESSAGECALLBACK fDebugMessageCallback;
    typedef GLuint (GLAPIENTRY * PFNGLDEBUGMESSAGELOG) (GLuint count, GLsizei bufsize, GLenum* sources, GLenum* types, GLuint* ids, GLenum* severities, GLsizei* lengths, GLchar* messageLog);
    PFNGLDEBUGMESSAGELOG fGetDebugMessageLog;
    typedef void (GLAPIENTRY * PFNGLGETPOINTERV) (GLenum pname, GLvoid** params);
    PFNGLGETPOINTERV fGetPointerv;
    typedef void (GLAPIENTRY * PFNGLPUSHDEBUGGROUP) (GLenum source, GLuint id, GLsizei length, const GLchar* message);
    PFNGLPUSHDEBUGGROUP fPushDebugGroup;
    typedef void (GLAPIENTRY * PFNGLPOPDEBUGGROUP) (void);
    PFNGLPOPDEBUGGROUP fPopDebugGroup;
    typedef void (GLAPIENTRY * PFNGLOBJECTLABEL) (GLenum identifier, GLuint name, GLsizei length, const GLchar* label);
    PFNGLOBJECTLABEL fObjectLabel;
    typedef void (GLAPIENTRY * PFNGLGETOBJECTLABEL) (GLenum identifier, GLuint name, GLsizei bufSize, GLsizei* length, GLchar* label);
    PFNGLGETOBJECTLABEL fGetObjectLabel;
    typedef void (GLAPIENTRY * PFNGLOBJECTPTRLABEL) (const GLvoid* ptr, GLsizei length, const GLchar* label);
    PFNGLOBJECTPTRLABEL fObjectPtrLabel;
    typedef void (GLAPIENTRY * PFNGLGETOBJECTPTRLABEL) (const GLvoid* ptr, GLsizei bufSize, GLsizei* length, GLchar* label);
    PFNGLGETOBJECTPTRLABEL fGetObjectPtrLabel;

    // draw_range_elements
    typedef void (GLAPIENTRY * PFNGLDRAWRANGEELEMENTS) (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid* indices);
    PFNGLDRAWRANGEELEMENTS fDrawRangeElements;

    // NV_fence
    typedef void (GLAPIENTRY * pfnGenFencesT) (GLsizei n, GLuint* fences);
    pfnGenFencesT fGenFences;
    typedef void (GLAPIENTRY * pfnDeleteFencesT) (GLsizei n, const GLuint* fences);
    pfnDeleteFencesT fDeleteFences;
    typedef void (GLAPIENTRY * pfnSetFenceT) (GLuint fence, GLenum condition);
    pfnSetFenceT fSetFence;
    typedef realGLboolean (GLAPIENTRY * pfnTestFenceT) (GLuint fence);
    pfnTestFenceT fTestFence;
    typedef void (GLAPIENTRY * pfnFinishFenceT) (GLuint fence);
    pfnFinishFenceT fFinishFence;
    typedef realGLboolean (GLAPIENTRY * pfnIsFenceT) (GLuint fence);
    pfnIsFenceT fIsFence;
    typedef void (GLAPIENTRY * pfnGetFenceivT) (GLuint fence, GLenum pname, GLint* params);
    pfnGetFenceivT fGetFenceiv;

    // map_buffer_range
    typedef void* (GLAPIENTRY * PFNGLMAPBUFFERRANGEPROC) (GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access);
    PFNGLMAPBUFFERRANGEPROC fMapBufferRange;
    typedef void (GLAPIENTRY * PFNGLFLUSHMAPPEDBUFFERRANGEPROC) (GLenum target, GLintptr offset, GLsizeiptr length);
    PFNGLFLUSHMAPPEDBUFFERRANGEPROC fFlushMappedBufferRange;

    // sampler_object
    typedef void (GLAPIENTRY * PFNGLGENSAMPLERSPROC) (GLsizei count, GLuint* samplers);
    PFNGLGENSAMPLERSPROC fGenSamplers;
    typedef void (GLAPIENTRY * PFNGLDELETESAMPLERSPROC) (GLsizei count, const GLuint* samplers);
    PFNGLDELETESAMPLERSPROC fDeleteSamplers;
    typedef realGLboolean (GLAPIENTRY * PFNGLISSAMPLERPROC) (GLuint sampler);
    PFNGLISSAMPLERPROC fIsSampler;
    typedef void (GLAPIENTRY * PFNGLBINDSAMPLERPROC) (GLuint unit, GLuint sampler);
    PFNGLBINDSAMPLERPROC fBindSampler;
    typedef void (GLAPIENTRY * PFNGLSAMPLERPARAMETERIPROC) (GLuint sampler, GLenum pname, GLint param);
    PFNGLSAMPLERPARAMETERIPROC fSamplerParameteri;
    typedef void (GLAPIENTRY * PFNGLSAMPLERPARAMETERIVPROC) (GLuint sampler, GLenum pname, const GLint* param);
    PFNGLSAMPLERPARAMETERIVPROC fSamplerParameteriv;
    typedef void (GLAPIENTRY * PFNGLSAMPLERPARAMETERFPROC) (GLuint sampler, GLenum pname, GLfloat param);
    PFNGLSAMPLERPARAMETERFPROC fSamplerParameterf;
    typedef void (GLAPIENTRY * PFNGLSAMPLERPARAMETERFVPROC) (GLuint sampler, GLenum pname, const GLfloat* param);
    PFNGLSAMPLERPARAMETERFVPROC fSamplerParameterfv;
    typedef void (GLAPIENTRY * PFNGLGETSAMPLERPARAMETERIVPROC) (GLuint sampler, GLenum pname, GLint* params);
    PFNGLGETSAMPLERPARAMETERIVPROC fGetSamplerParameteriv;
    typedef void (GLAPIENTRY * PFNGLGETSAMPLERPARAMETERFVPROC) (GLuint sampler, GLenum pname, GLfloat* params);
    PFNGLGETSAMPLERPARAMETERFVPROC fGetSamplerParameterfv;

    // texture_storage
    typedef void (GLAPIENTRY * PFNGLTEXSTORAGE2DPROC) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height);
    PFNGLTEXSTORAGE2DPROC fTexStorage2D;
    typedef void (GLAPIENTRY * PFNGLTEXSTORAGE3DPROC) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth);
    PFNGLTEXSTORAGE3DPROC fTexStorage3D;

    // uniform_buffer_object
    typedef void (GLAPIENTRY * PFNGLGETUNIFORMINDICESPROC) (GLuint program, GLsizei uniformCount,
                                                            const GLchar* const* uniformNames, GLuint* uniformIndices);
    PFNGLGETUNIFORMINDICESPROC fGetUniformIndices;
    typedef void (GLAPIENTRY * PFNGLGETACTIVEUNIFORMSIVPROC) (GLuint program, GLsizei uniformCount, const GLuint* uniformIndices,
                                                             GLenum pname, GLint* params);
    PFNGLGETACTIVEUNIFORMSIVPROC fGetActiveUniformsiv;
    typedef GLuint (GLAPIENTRY * PFNGLGETUNIFORMBLOCKINDEXPROC) (GLuint program, const GLchar* uniformBlockName);
    PFNGLGETUNIFORMBLOCKINDEXPROC fGetUniformBlockIndex;
    typedef void (GLAPIENTRY * PFNGLGETACTIVEUNIFORMBLOCKIVPROC) (GLuint program, GLuint uniformBlockIndex, GLenum pname, GLint* params);
    PFNGLGETACTIVEUNIFORMBLOCKIVPROC fGetActiveUniformBlockiv;
    typedef void (GLAPIENTRY * PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC) (GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei* length, GLchar* uniformBlockName);
    PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC fGetActiveUniformBlockName;
    typedef void (GLAPIENTRY * PFNGLUNIFORMBLOCKBINDINGPROC) (GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding);
    PFNGLUNIFORMBLOCKBINDINGPROC fUniformBlockBinding;

    // EXT_gpu_shader4
    typedef void (GLAPIENTRY * PFNGLGETVERTEXATTRIBIIVPROC) (GLuint index, GLenum pname, GLint* params);
    PFNGLGETVERTEXATTRIBIIVPROC fGetVertexAttribIiv;
    typedef void (GLAPIENTRY * PFNGLGETVERTEXATTRIBIUIVPROC) (GLuint index, GLenum pname, GLuint* params);
    PFNGLGETVERTEXATTRIBIUIVPROC fGetVertexAttribIuiv;
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIBI4IPROC) (GLuint index, GLint x, GLint y, GLint z, GLint w);
    PFNGLVERTEXATTRIBI4IPROC fVertexAttribI4i;
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIBI4IVPROC) (GLuint index, const GLint* v);
    PFNGLVERTEXATTRIBI4IVPROC fVertexAttribI4iv;
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIBI4UIPROC) (GLuint index, GLuint x, GLuint y, GLuint z, GLuint w);
    PFNGLVERTEXATTRIBI4UIPROC fVertexAttribI4ui;
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIBI4UIVPROC) (GLuint index, const GLuint* v);
    PFNGLVERTEXATTRIBI4UIVPROC fVertexAttribI4uiv;
    typedef void (GLAPIENTRY * PFNGLVERTEXATTRIBIPOINTERPROC) (GLuint index, GLint size, GLenum type, GLsizei stride, const GLvoid* ptr);
    PFNGLVERTEXATTRIBIPOINTERPROC fVertexAttribIPointer;
    typedef void (GLAPIENTRY * PFNGLUNIFORM1UIPROC) (GLint location, GLuint v0);
    PFNGLUNIFORM1UIPROC fUniform1ui;
    typedef void (GLAPIENTRY * PFNGLUNIFORM2UIPROC) (GLint location, GLuint v0, GLuint v1);
    PFNGLUNIFORM2UIPROC fUniform2ui;
    typedef void (GLAPIENTRY * PFNGLUNIFORM3UIPROC) (GLint location, GLuint v0, GLuint v1, GLuint v2);
    PFNGLUNIFORM3UIPROC fUniform3ui;
    typedef void (GLAPIENTRY * PFNGLUNIFORM4UIPROC) (GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3);
    PFNGLUNIFORM4UIPROC fUniform4ui;
    typedef void (GLAPIENTRY * PFNGLUNIFORM1UIVPROC) (GLint location, GLsizei count, const GLuint* value);
    PFNGLUNIFORM1UIVPROC fUniform1uiv;
    typedef void (GLAPIENTRY * PFNGLUNIFORM2UIVPROC) (GLint location, GLsizei count, const GLuint* value);
    PFNGLUNIFORM2UIVPROC fUniform2uiv;
    typedef void (GLAPIENTRY * PFNGLUNIFORM3UIVPROC) (GLint location, GLsizei count, const GLuint* value);
    PFNGLUNIFORM3UIVPROC fUniform3uiv;
    typedef void (GLAPIENTRY * PFNGLUNIFORM4UIVPROC) (GLint location, GLsizei count, const GLuint* value);
    PFNGLUNIFORM4UIVPROC fUniform4uiv;
    typedef GLint (GLAPIENTRY * PFNGLGETFRAGDATALOCATIONPROC) (GLuint program, const GLchar* name);
    PFNGLGETFRAGDATALOCATIONPROC fGetFragDataLocation;

    // 3D Textures
    typedef void (GLAPIENTRY * PFNGLTEXIMAGE3DPROC) (GLenum target, GLint level,
                                                     GLenum internalFormat,
                                                     GLenum width, GLsizei height, GLsizei depth,
                                                     GLint border, GLenum format, GLenum type,
                                                     const GLvoid* pixels);
    PFNGLTEXIMAGE3DPROC fTexImage3D;
    typedef void (GLAPIENTRY * PFNGLTEXSUBIMAGE3DPROC) (GLenum target, GLint level, GLint xoffset,
                                                        GLint yoffset, GLint zoffset, GLsizei width,
                                                        GLsizei height, GLsizei depth, GLenum format,
                                                        GLenum type, const GLvoid* pixels);
    PFNGLTEXSUBIMAGE3DPROC fTexSubImage3D;
    typedef void (GLAPIENTRY * PFNGLCOPYTEXSUBIMAGE3DPROC) (GLenum target, GLint level, GLint xoffset,
                                                            GLint yoffset, GLint zoffset, GLint x,
                                                            GLint y, GLsizei width, GLsizei height);
    PFNGLCOPYTEXSUBIMAGE3DPROC fCopyTexSubImage3D;
    typedef void (GLAPIENTRY * PFNGLCOMPRESSEDTEXIMAGE3DPROC) (GLenum target, GLint level, GLenum internalformat,
                                                               GLsizei width, GLsizei height, GLsizei depth,
                                                               GLint border, GLsizei imageSize, const GLvoid* data);
    PFNGLCOMPRESSEDTEXIMAGE3DPROC fCompressedTexImage3D;
    typedef void (GLAPIENTRY * PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC) (GLenum target, GLint level,
                                                                  GLint xoffset, GLint yoffset, GLint zoffset,
                                                                  GLsizei width, GLsizei height, GLsizei depth,
                                                                  GLenum format, GLsizei imageSize, const GLvoid* data);
    PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC fCompressedTexSubImage3D;

    // get_string_indexed
    typedef const GLubyte* (GLAPIENTRY * PFNGLGETSTRINGIPROC)(GLenum name, GLuint index);
    PFNGLGETSTRINGIPROC fGetStringi;

    // APPLE_framebuffer_multisample
    typedef void (GLAPIENTRY * PFNRESOLVEMULTISAMPLEFRAMEBUFFERAPPLE) (void);
    PFNRESOLVEMULTISAMPLEFRAMEBUFFERAPPLE fResolveMultisampleFramebufferAPPLE;

    // NV_texture_barrier
    typedef void (GLAPIENTRY * PFNTEXTUREBARRIERPROC) (void);
    PFNTEXTUREBARRIERPROC fTextureBarrier;

    // NV_primitive_restart
    void (GLAPIENTRY * fPrimitiveRestartIndex) (GLuint index);
};

} // namespace gl
} // namespace mozilla

#endif /* GLCONTEXTSYMBOLS_H_ */