glad.c

/*

    OpenGL loader generated by glad 0.1.16a0 on Tue Dec  5 20:32:59 2017.

    Language/Generator: C/C++
    Specification: gl
    APIs: gl=2.1
    Profile: core
    Extensions:
        GL_ARB_framebuffer_object
    Loader: True
    Local files: False
    Omit khrplatform: False

    Commandline:
        --profile="core" --api="gl=2.1" --generator="c" --spec="gl" --extensions="GL_ARB_framebuffer_object"
    Online:
        http://glad.dav1d.de/#profile=core&language=c&specification=gl&loader=on&api=gl%3D2.1&extensions=GL_ARB_framebuffer_object
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glad/glad.h>

static void* get_proc(const char *namez);

#ifdef _WIN32
#include <windows.h>
static HMODULE libGL;

typedef void* (APIENTRYP PFNWGLGETPROCADDRESSPROC_PRIVATE)(const char*);
static PFNWGLGETPROCADDRESSPROC_PRIVATE gladGetProcAddressPtr;

static
int open_gl(void) {
    libGL = LoadLibraryW(L"opengl32.dll");
    if(libGL != NULL) {
        gladGetProcAddressPtr = (PFNWGLGETPROCADDRESSPROC_PRIVATE)GetProcAddress(
                libGL, "wglGetProcAddress");
        return gladGetProcAddressPtr != NULL;
    }

    return 0;
}

static
void close_gl(void) {
    if(libGL != NULL) {
        FreeLibrary(libGL);
        libGL = NULL;
    }
}
#else
#include <dlfcn.h>
static void* libGL;

#ifndef __APPLE__
typedef void* (APIENTRYP PFNGLXGETPROCADDRESSPROC_PRIVATE)(const char*);
static PFNGLXGETPROCADDRESSPROC_PRIVATE gladGetProcAddressPtr;
#endif

static
int open_gl(void) {
#ifdef __APPLE__
    static const char *NAMES[] = {
        "../Frameworks/OpenGL.framework/OpenGL",
        "/Library/Frameworks/OpenGL.framework/OpenGL",
        "/System/Library/Frameworks/OpenGL.framework/OpenGL",
        "/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL"
    };
#else
    static const char *NAMES[] = {"libGL.so.1", "libGL.so"};
#endif

    unsigned int index = 0;
    for(index = 0; index < (sizeof(NAMES) / sizeof(NAMES[0])); index++) {
        libGL = dlopen(NAMES[index], RTLD_NOW | RTLD_GLOBAL);

        if(libGL != NULL) {
#ifdef __APPLE__
            return 1;
#else
            gladGetProcAddressPtr = (PFNGLXGETPROCADDRESSPROC_PRIVATE)dlsym(libGL,
                "glXGetProcAddressARB");
            return gladGetProcAddressPtr != NULL;
#endif
        }
    }

    return 0;
}

static
void close_gl(void) {
    if(libGL != NULL) {
        dlclose(libGL);
        libGL = NULL;
    }
}
#endif

static
void* get_proc(const char *namez) {
    void* result = NULL;
    if(libGL == NULL) return NULL;

#ifndef __APPLE__
    if(gladGetProcAddressPtr != NULL) {
        result = gladGetProcAddressPtr(namez);
    }
#endif
    if(result == NULL) {
#ifdef _WIN32
        result = (void*)GetProcAddress(libGL, namez);
#else
        result = dlsym(libGL, namez);
#endif
    }

    return result;
}

int gladLoadGL(void) {
    int status = 0;

    if(open_gl()) {
        status = gladLoadGLLoader(&get_proc);
        close_gl();
    }

    return status;
}

struct gladGLversionStruct GLVersion;

#if defined(GL_ES_VERSION_3_0) || defined(GL_VERSION_3_0)
#define _GLAD_IS_SOME_NEW_VERSION 1
#endif

static int max_loaded_major;
static int max_loaded_minor;

static const char *exts = NULL;
static int num_exts_i = 0;
static const char **exts_i = NULL;

static int get_exts(void) {
#ifdef _GLAD_IS_SOME_NEW_VERSION
    if(max_loaded_major < 3) {
#endif
        exts = (const char *)glGetString(GL_EXTENSIONS);
#ifdef _GLAD_IS_SOME_NEW_VERSION
    } else {
        unsigned int index;

        num_exts_i = 0;
        glGetIntegerv(GL_NUM_EXTENSIONS, &num_exts_i);
        if (num_exts_i > 0) {
            exts_i = (const char **)realloc((void *)exts_i, (size_t)num_exts_i * (sizeof *exts_i));
        }

        if (exts_i == NULL) {
            return 0;
        }

        for(index = 0; index < (unsigned)num_exts_i; index++) {
            const char *gl_str_tmp = (const char*)glGetStringi(GL_EXTENSIONS, index);
            size_t len = strlen(gl_str_tmp);

            char *local_str = (char*)malloc((len+1) * sizeof(*exts_i));
            if(local_str != NULL) {
#if _MSC_VER >= 1400
                strncpy_s(local_str, len+1, gl_str_tmp, len);
#else
                strncpy(local_str, gl_str_tmp, len+1);
#endif
            }
            exts_i[index] = local_str;
        }
    }
#endif
    return 1;
}

static void free_exts(void) {
    if (exts_i != NULL) {
        int index;
        for(index = 0; index < num_exts_i; index++) {
            free((char *)exts_i[index]);
        }
        free((void *)exts_i);
        exts_i = NULL;
    }
}

static int has_ext(const char *ext) {
#ifdef _GLAD_IS_SOME_NEW_VERSION
    if(max_loaded_major < 3) {
#endif
        const char *extensions;
        const char *loc;
        const char *terminator;
        extensions = exts;
        if(extensions == NULL || ext == NULL) {
            return 0;
        }

        while(1) {
            loc = strstr(extensions, ext);
            if(loc == NULL) {
                return 0;
            }

            terminator = loc + strlen(ext);
            if((loc == extensions || *(loc - 1) == ' ') &&
                (*terminator == ' ' || *terminator == '\0')) {
                return 1;
            }
            extensions = terminator;
        }
#ifdef _GLAD_IS_SOME_NEW_VERSION
    } else {
        int index;
        if(exts_i == NULL) return 0;
        for(index = 0; index < num_exts_i; index++) {
            const char *e = exts_i[index];

            if(exts_i[index] != NULL && strcmp(e, ext) == 0) {
                return 1;
            }
        }
    }
#endif

    return 0;
}
int GLAD_GL_VERSION_1_0;
int GLAD_GL_VERSION_1_1;
int GLAD_GL_VERSION_1_2;
int GLAD_GL_VERSION_1_3;
int GLAD_GL_VERSION_1_4;
int GLAD_GL_VERSION_1_5;
int GLAD_GL_VERSION_2_0;
int GLAD_GL_VERSION_2_1;
PFNGLFLUSHPROC glad_glFlush;
PFNGLCOPYTEXIMAGE1DPROC glad_glCopyTexImage1D;
PFNGLCLEARCOLORPROC glad_glClearColor;
PFNGLVERTEXATTRIB4NIVPROC glad_glVertexAttrib4Niv;
PFNGLSTENCILMASKSEPARATEPROC glad_glStencilMaskSeparate;
PFNGLGETVERTEXATTRIBPOINTERVPROC glad_glGetVertexAttribPointerv;
PFNGLLINKPROGRAMPROC glad_glLinkProgram;
PFNGLBINDTEXTUREPROC glad_glBindTexture;
PFNGLGETSTRINGPROC glad_glGetString;
PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC glad_glCompressedTexSubImage3D;
PFNGLDETACHSHADERPROC glad_glDetachShader;
PFNGLGENBUFFERSPROC glad_glGenBuffers;
PFNGLENDQUERYPROC glad_glEndQuery;
PFNGLPOINTPARAMETERFVPROC glad_glPointParameterfv;
PFNGLLINEWIDTHPROC glad_glLineWidth;
PFNGLUNIFORM2FVPROC glad_glUniform2fv;
PFNGLBINDATTRIBLOCATIONPROC glad_glBindAttribLocation;
PFNGLCOMPILESHADERPROC glad_glCompileShader;
PFNGLDELETETEXTURESPROC glad_glDeleteTextures;
PFNGLSTENCILOPSEPARATEPROC glad_glStencilOpSeparate;
PFNGLUNIFORMMATRIX3FVPROC glad_glUniformMatrix3fv;
PFNGLPOLYGONMODEPROC glad_glPolygonMode;
PFNGLVERTEXATTRIB4FPROC glad_glVertexAttrib4f;
PFNGLVERTEXATTRIB4DPROC glad_glVertexAttrib4d;
PFNGLVERTEXATTRIB1FPROC glad_glVertexAttrib1f;
PFNGLUNIFORM4IVPROC glad_glUniform4iv;
PFNGLGETTEXPARAMETERIVPROC glad_glGetTexParameteriv;
PFNGLCLEARSTENCILPROC glad_glClearStencil;
PFNGLUNIFORMMATRIX2X3FVPROC glad_glUniformMatrix2x3fv;
PFNGLVERTEXATTRIB4SPROC glad_glVertexAttrib4s;
PFNGLSAMPLECOVERAGEPROC glad_glSampleCoverage;
PFNGLVERTEXATTRIB4NUSVPROC glad_glVertexAttrib4Nusv;
PFNGLGENTEXTURESPROC glad_glGenTextures;
PFNGLDEPTHFUNCPROC glad_glDepthFunc;
PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC glad_glCompressedTexSubImage2D;
PFNGLUNIFORM1FPROC glad_glUniform1f;
PFNGLGETVERTEXATTRIBFVPROC glad_glGetVertexAttribfv;
PFNGLVERTEXATTRIB4NBVPROC glad_glVertexAttrib4Nbv;
PFNGLGETTEXPARAMETERFVPROC glad_glGetTexParameterfv;
PFNGLGETCOMPRESSEDTEXIMAGEPROC glad_glGetCompressedTexImage;
PFNGLCREATESHADERPROC glad_glCreateShader;
PFNGLISBUFFERPROC glad_glIsBuffer;
PFNGLUNIFORM1IPROC glad_glUniform1i;
PFNGLVERTEXATTRIB3SPROC glad_glVertexAttrib3s;
PFNGLGETACTIVEATTRIBPROC glad_glGetActiveAttrib;
PFNGLCOPYTEXSUBIMAGE2DPROC glad_glCopyTexSubImage2D;
PFNGLVERTEXATTRIB3DVPROC glad_glVertexAttrib3dv;
PFNGLTEXSUBIMAGE2DPROC glad_glTexSubImage2D;
PFNGLDISABLEPROC glad_glDisable;
PFNGLUNIFORM2IPROC glad_glUniform2i;
PFNGLBLENDFUNCSEPARATEPROC glad_glBlendFuncSeparate;
PFNGLLOGICOPPROC glad_glLogicOp;
PFNGLGETPROGRAMIVPROC glad_glGetProgramiv;
PFNGLCOLORMASKPROC glad_glColorMask;
PFNGLHINTPROC glad_glHint;
PFNGLVERTEXATTRIB1SPROC glad_glVertexAttrib1s;
PFNGLBLENDEQUATIONPROC glad_glBlendEquation;
PFNGLGETUNIFORMLOCATIONPROC glad_glGetUniformLocation;
PFNGLCULLFACEPROC glad_glCullFace;
PFNGLUNIFORMMATRIX3X2FVPROC glad_glUniformMatrix3x2fv;
PFNGLVERTEXATTRIB4USVPROC glad_glVertexAttrib4usv;
PFNGLUNIFORM4FVPROC glad_glUniform4fv;
PFNGLPOINTSIZEPROC glad_glPointSize;
PFNGLVERTEXATTRIB2DVPROC glad_glVertexAttrib2dv;
PFNGLDELETEPROGRAMPROC glad_glDeleteProgram;
PFNGLVERTEXATTRIB4NUIVPROC glad_glVertexAttrib4Nuiv;
PFNGLGENQUERIESPROC glad_glGenQueries;
PFNGLATTACHSHADERPROC glad_glAttachShader;
PFNGLUNIFORMMATRIX4X3FVPROC glad_glUniformMatrix4x3fv;
PFNGLUNIFORM3IPROC glad_glUniform3i;
PFNGLCOMPRESSEDTEXIMAGE1DPROC glad_glCompressedTexImage1D;
PFNGLCOPYTEXSUBIMAGE1DPROC glad_glCopyTexSubImage1D;
PFNGLTEXSUBIMAGE3DPROC glad_glTexSubImage3D;
PFNGLCOPYTEXIMAGE2DPROC glad_glCopyTexImage2D;
PFNGLUNIFORM3FPROC glad_glUniform3f;
PFNGLVERTEXATTRIB4UBVPROC glad_glVertexAttrib4ubv;
PFNGLGETBUFFERPARAMETERIVPROC glad_glGetBufferParameteriv;
PFNGLUNIFORMMATRIX4X2FVPROC glad_glUniformMatrix4x2fv;
PFNGLDRAWELEMENTSPROC glad_glDrawElements;
PFNGLVERTEXATTRIB1DVPROC glad_glVertexAttrib1dv;
PFNGLDRAWRANGEELEMENTSPROC glad_glDrawRangeElements;
PFNGLGETQUERYOBJECTUIVPROC glad_glGetQueryObjectuiv;
PFNGLBUFFERSUBDATAPROC glad_glBufferSubData;
PFNGLUNIFORM1IVPROC glad_glUniform1iv;
PFNGLGETQUERYOBJECTIVPROC glad_glGetQueryObjectiv;
PFNGLREADBUFFERPROC glad_glReadBuffer;
PFNGLVERTEXATTRIB3SVPROC glad_glVertexAttrib3sv;
PFNGLMULTIDRAWARRAYSPROC glad_glMultiDrawArrays;
PFNGLGETSHADERIVPROC glad_glGetShaderiv;
PFNGLUNIFORMMATRIX3X4FVPROC glad_glUniformMatrix3x4fv;
PFNGLVERTEXATTRIB3FPROC glad_glVertexAttrib3f;
PFNGLVERTEXATTRIB4UIVPROC glad_glVertexAttrib4uiv;
PFNGLPOINTPARAMETERIPROC glad_glPointParameteri;
PFNGLBLENDCOLORPROC glad_glBlendColor;
PFNGLENABLEVERTEXATTRIBARRAYPROC glad_glEnableVertexAttribArray;
PFNGLUNMAPBUFFERPROC glad_glUnmapBuffer;
PFNGLDEPTHMASKPROC glad_glDepthMask;
PFNGLPOINTPARAMETERFPROC glad_glPointParameterf;
PFNGLGETDOUBLEVPROC glad_glGetDoublev;
PFNGLVERTEXATTRIB1SVPROC glad_glVertexAttrib1sv;
PFNGLSHADERSOURCEPROC glad_glShaderSource;
PFNGLCOMPRESSEDTEXIMAGE2DPROC glad_glCompressedTexImage2D;
PFNGLDRAWARRAYSPROC glad_glDrawArrays;
PFNGLISPROGRAMPROC glad_glIsProgram;
PFNGLGETTEXLEVELPARAMETERIVPROC glad_glGetTexLevelParameteriv;
PFNGLGETUNIFORMIVPROC glad_glGetUniformiv;
PFNGLUNIFORM4IPROC glad_glUniform4i;
PFNGLVERTEXATTRIB3DPROC glad_glVertexAttrib3d;
PFNGLCLEARPROC glad_glClear;
PFNGLVERTEXATTRIB4FVPROC glad_glVertexAttrib4fv;
PFNGLUNIFORM2FPROC glad_glUniform2f;
PFNGLACTIVETEXTUREPROC glad_glActiveTexture;
PFNGLBEGINQUERYPROC glad_glBeginQuery;
PFNGLUNIFORM2IVPROC glad_glUniform2iv;
PFNGLBINDBUFFERPROC glad_glBindBuffer;
PFNGLISENABLEDPROC glad_glIsEnabled;
PFNGLSTENCILOPPROC glad_glStencilOp;
PFNGLREADPIXELSPROC glad_glReadPixels;
PFNGLCLEARDEPTHPROC glad_glClearDepth;
PFNGLUNIFORM4FPROC glad_glUniform4f;
PFNGLMAPBUFFERPROC glad_glMapBuffer;
PFNGLVERTEXATTRIB1DPROC glad_glVertexAttrib1d;
PFNGLVERTEXATTRIB4NUBPROC glad_glVertexAttrib4Nub;
PFNGLUNIFORM3FVPROC glad_glUniform3fv;
PFNGLGETUNIFORMFVPROC glad_glGetUniformfv;
PFNGLBUFFERDATAPROC glad_glBufferData;
PFNGLCOMPRESSEDTEXIMAGE3DPROC glad_glCompressedTexImage3D;
PFNGLTEXIMAGE1DPROC glad_glTexImage1D;
PFNGLCOPYTEXSUBIMAGE3DPROC glad_glCopyTexSubImage3D;
PFNGLGETERRORPROC glad_glGetError;
PFNGLGETVERTEXATTRIBIVPROC glad_glGetVertexAttribiv;
PFNGLTEXPARAMETERIVPROC glad_glTexParameteriv;
PFNGLMULTIDRAWELEMENTSPROC glad_glMultiDrawElements;
PFNGLVERTEXATTRIB3FVPROC glad_glVertexAttrib3fv;
PFNGLGETFLOATVPROC glad_glGetFloatv;
PFNGLTEXSUBIMAGE1DPROC glad_glTexSubImage1D;
PFNGLUNIFORM3IVPROC glad_glUniform3iv;
PFNGLGETTEXIMAGEPROC glad_glGetTexImage;
PFNGLVERTEXATTRIB2FVPROC glad_glVertexAttrib2fv;
PFNGLUSEPROGRAMPROC glad_glUseProgram;
PFNGLVERTEXATTRIB4IVPROC glad_glVertexAttrib4iv;
PFNGLGETTEXLEVELPARAMETERFVPROC glad_glGetTexLevelParameterfv;
PFNGLDRAWBUFFERSPROC glad_glDrawBuffers;
PFNGLSTENCILFUNCPROC glad_glStencilFunc;
PFNGLGETINTEGERVPROC glad_glGetIntegerv;
PFNGLGETATTACHEDSHADERSPROC glad_glGetAttachedShaders;
PFNGLGETBUFFERPOINTERVPROC glad_glGetBufferPointerv;
PFNGLDRAWBUFFERPROC glad_glDrawBuffer;
PFNGLUNIFORM1FVPROC glad_glUniform1fv;
PFNGLISQUERYPROC glad_glIsQuery;
PFNGLVERTEXATTRIB4NUBVPROC glad_glVertexAttrib4Nubv;
PFNGLUNIFORMMATRIX2FVPROC glad_glUniformMatrix2fv;
PFNGLDISABLEVERTEXATTRIBARRAYPROC glad_glDisableVertexAttribArray;
PFNGLVERTEXATTRIB4SVPROC glad_glVertexAttrib4sv;
PFNGLGETQUERYIVPROC glad_glGetQueryiv;
PFNGLTEXIMAGE2DPROC glad_glTexImage2D;
PFNGLGETPROGRAMINFOLOGPROC glad_glGetProgramInfoLog;
PFNGLSTENCILMASKPROC glad_glStencilMask;
PFNGLUNIFORMMATRIX2X4FVPROC glad_glUniformMatrix2x4fv;
PFNGLGETSHADERINFOLOGPROC glad_glGetShaderInfoLog;
PFNGLISTEXTUREPROC glad_glIsTexture;
PFNGLISSHADERPROC glad_glIsShader;
PFNGLGETSHADERSOURCEPROC glad_glGetShaderSource;
PFNGLVERTEXATTRIB4BVPROC glad_glVertexAttrib4bv;
PFNGLVERTEXATTRIBPOINTERPROC glad_glVertexAttribPointer;
PFNGLTEXPARAMETERFVPROC glad_glTexParameterfv;
PFNGLGETBUFFERSUBDATAPROC glad_glGetBufferSubData;
PFNGLVERTEXATTRIB1FVPROC glad_glVertexAttrib1fv;
PFNGLENABLEPROC glad_glEnable;
PFNGLSTENCILFUNCSEPARATEPROC glad_glStencilFuncSeparate;
PFNGLDELETEQUERIESPROC glad_glDeleteQueries;
PFNGLPOINTPARAMETERIVPROC glad_glPointParameteriv;
PFNGLBLENDEQUATIONSEPARATEPROC glad_glBlendEquationSeparate;
PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC glad_glCompressedTexSubImage1D;
PFNGLFINISHPROC glad_glFinish;
PFNGLGETATTRIBLOCATIONPROC glad_glGetAttribLocation;
PFNGLVERTEXATTRIB4DVPROC glad_glVertexAttrib4dv;
PFNGLVERTEXATTRIB2SVPROC glad_glVertexAttrib2sv;
PFNGLDELETESHADERPROC glad_glDeleteShader;
PFNGLBLENDFUNCPROC glad_glBlendFunc;
PFNGLCREATEPROGRAMPROC glad_glCreateProgram;
PFNGLTEXIMAGE3DPROC glad_glTexImage3D;
PFNGLVERTEXATTRIB4NSVPROC glad_glVertexAttrib4Nsv;
PFNGLVIEWPORTPROC glad_glViewport;
PFNGLVERTEXATTRIB2DPROC glad_glVertexAttrib2d;
PFNGLVERTEXATTRIB2FPROC glad_glVertexAttrib2f;
PFNGLGETVERTEXATTRIBDVPROC glad_glGetVertexAttribdv;
PFNGLPOLYGONOFFSETPROC glad_glPolygonOffset;
PFNGLVERTEXATTRIB2SPROC glad_glVertexAttrib2s;
PFNGLUNIFORMMATRIX4FVPROC glad_glUniformMatrix4fv;
PFNGLDEPTHRANGEPROC glad_glDepthRange;
PFNGLGETACTIVEUNIFORMPROC glad_glGetActiveUniform;
PFNGLTEXPARAMETERFPROC glad_glTexParameterf;
PFNGLTEXPARAMETERIPROC glad_glTexParameteri;
PFNGLFRONTFACEPROC glad_glFrontFace;
PFNGLDELETEBUFFERSPROC glad_glDeleteBuffers;
PFNGLSCISSORPROC glad_glScissor;
PFNGLGETBOOLEANVPROC glad_glGetBooleanv;
PFNGLPIXELSTOREIPROC glad_glPixelStorei;
PFNGLVALIDATEPROGRAMPROC glad_glValidateProgram;
PFNGLPIXELSTOREFPROC glad_glPixelStoref;
int GLAD_GL_ARB_framebuffer_object;
PFNGLISRENDERBUFFERPROC glad_glIsRenderbuffer;
PFNGLBINDRENDERBUFFERPROC glad_glBindRenderbuffer;
PFNGLDELETERENDERBUFFERSPROC glad_glDeleteRenderbuffers;
PFNGLGENRENDERBUFFERSPROC glad_glGenRenderbuffers;
PFNGLRENDERBUFFERSTORAGEPROC glad_glRenderbufferStorage;
PFNGLGETRENDERBUFFERPARAMETERIVPROC glad_glGetRenderbufferParameteriv;
PFNGLISFRAMEBUFFERPROC glad_glIsFramebuffer;
PFNGLBINDFRAMEBUFFERPROC glad_glBindFramebuffer;
PFNGLDELETEFRAMEBUFFERSPROC glad_glDeleteFramebuffers;
PFNGLGENFRAMEBUFFERSPROC glad_glGenFramebuffers;
PFNGLCHECKFRAMEBUFFERSTATUSPROC glad_glCheckFramebufferStatus;
PFNGLFRAMEBUFFERTEXTURE1DPROC glad_glFramebufferTexture1D;
PFNGLFRAMEBUFFERTEXTURE2DPROC glad_glFramebufferTexture2D;
PFNGLFRAMEBUFFERTEXTURE3DPROC glad_glFramebufferTexture3D;
PFNGLFRAMEBUFFERRENDERBUFFERPROC glad_glFramebufferRenderbuffer;
PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glad_glGetFramebufferAttachmentParameteriv;
PFNGLGENERATEMIPMAPPROC glad_glGenerateMipmap;
PFNGLBLITFRAMEBUFFERPROC glad_glBlitFramebuffer;
PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glad_glRenderbufferStorageMultisample;
PFNGLFRAMEBUFFERTEXTURELAYERPROC glad_glFramebufferTextureLayer;
static void load_GL_VERSION_1_0(GLADloadproc load) {
	if(!GLAD_GL_VERSION_1_0) return;
	glad_glCullFace = (PFNGLCULLFACEPROC)load("glCullFace");
	glad_glFrontFace = (PFNGLFRONTFACEPROC)load("glFrontFace");
	glad_glHint = (PFNGLHINTPROC)load("glHint");
	glad_glLineWidth = (PFNGLLINEWIDTHPROC)load("glLineWidth");
	glad_glPointSize = (PFNGLPOINTSIZEPROC)load("glPointSize");
	glad_glPolygonMode = (PFNGLPOLYGONMODEPROC)load("glPolygonMode");
	glad_glScissor = (PFNGLSCISSORPROC)load("glScissor");
	glad_glTexParameterf = (PFNGLTEXPARAMETERFPROC)load("glTexParameterf");
	glad_glTexParameterfv = (PFNGLTEXPARAMETERFVPROC)load("glTexParameterfv");
	glad_glTexParameteri = (PFNGLTEXPARAMETERIPROC)load("glTexParameteri");
	glad_glTexParameteriv = (PFNGLTEXPARAMETERIVPROC)load("glTexParameteriv");
	glad_glTexImage1D = (PFNGLTEXIMAGE1DPROC)load("glTexImage1D");
	glad_glTexImage2D = (PFNGLTEXIMAGE2DPROC)load("glTexImage2D");
	glad_glDrawBuffer = (PFNGLDRAWBUFFERPROC)load("glDrawBuffer");
	glad_glClear = (PFNGLCLEARPROC)load("glClear");
	glad_glClearColor = (PFNGLCLEARCOLORPROC)load("glClearColor");
	glad_glClearStencil = (PFNGLCLEARSTENCILPROC)load("glClearStencil");
	glad_glClearDepth = (PFNGLCLEARDEPTHPROC)load("glClearDepth");
	glad_glStencilMask = (PFNGLSTENCILMASKPROC)load("glStencilMask");
	glad_glColorMask = (PFNGLCOLORMASKPROC)load("glColorMask");
	glad_glDepthMask = (PFNGLDEPTHMASKPROC)load("glDepthMask");
	glad_glDisable = (PFNGLDISABLEPROC)load("glDisable");
	glad_glEnable = (PFNGLENABLEPROC)load("glEnable");
	glad_glFinish = (PFNGLFINISHPROC)load("glFinish");
	glad_glFlush = (PFNGLFLUSHPROC)load("glFlush");
	glad_glBlendFunc = (PFNGLBLENDFUNCPROC)load("glBlendFunc");
	glad_glLogicOp = (PFNGLLOGICOPPROC)load("glLogicOp");
	glad_glStencilFunc = (PFNGLSTENCILFUNCPROC)load("glStencilFunc");
	glad_glStencilOp = (PFNGLSTENCILOPPROC)load("glStencilOp");
	glad_glDepthFunc = (PFNGLDEPTHFUNCPROC)load("glDepthFunc");
	glad_glPixelStoref = (PFNGLPIXELSTOREFPROC)load("glPixelStoref");
	glad_glPixelStorei = (PFNGLPIXELSTOREIPROC)load("glPixelStorei");
	glad_glReadBuffer = (PFNGLREADBUFFERPROC)load("glReadBuffer");
	glad_glReadPixels = (PFNGLREADPIXELSPROC)load("glReadPixels");
	glad_glGetBooleanv = (PFNGLGETBOOLEANVPROC)load("glGetBooleanv");
	glad_glGetDoublev = (PFNGLGETDOUBLEVPROC)load("glGetDoublev");
	glad_glGetError = (PFNGLGETERRORPROC)load("glGetError");
	glad_glGetFloatv = (PFNGLGETFLOATVPROC)load("glGetFloatv");
	glad_glGetIntegerv = (PFNGLGETINTEGERVPROC)load("glGetIntegerv");
	glad_glGetString = (PFNGLGETSTRINGPROC)load("glGetString");
	glad_glGetTexImage = (PFNGLGETTEXIMAGEPROC)load("glGetTexImage");
	glad_glGetTexParameterfv = (PFNGLGETTEXPARAMETERFVPROC)load("glGetTexParameterfv");
	glad_glGetTexParameteriv = (PFNGLGETTEXPARAMETERIVPROC)load("glGetTexParameteriv");
	glad_glGetTexLevelParameterfv = (PFNGLGETTEXLEVELPARAMETERFVPROC)load("glGetTexLevelParameterfv");
	glad_glGetTexLevelParameteriv = (PFNGLGETTEXLEVELPARAMETERIVPROC)load("glGetTexLevelParameteriv");
	glad_glIsEnabled = (PFNGLISENABLEDPROC)load("glIsEnabled");
	glad_glDepthRange = (PFNGLDEPTHRANGEPROC)load("glDepthRange");
	glad_glViewport = (PFNGLVIEWPORTPROC)load("glViewport");
}
static void load_GL_VERSION_1_1(GLADloadproc load) {
	if(!GLAD_GL_VERSION_1_1) return;
	glad_glDrawArrays = (PFNGLDRAWARRAYSPROC)load("glDrawArrays");
	glad_glDrawElements = (PFNGLDRAWELEMENTSPROC)load("glDrawElements");
	glad_glPolygonOffset = (PFNGLPOLYGONOFFSETPROC)load("glPolygonOffset");
	glad_glCopyTexImage1D = (PFNGLCOPYTEXIMAGE1DPROC)load("glCopyTexImage1D");
	glad_glCopyTexImage2D = (PFNGLCOPYTEXIMAGE2DPROC)load("glCopyTexImage2D");
	glad_glCopyTexSubImage1D = (PFNGLCOPYTEXSUBIMAGE1DPROC)load("glCopyTexSubImage1D");
	glad_glCopyTexSubImage2D = (PFNGLCOPYTEXSUBIMAGE2DPROC)load("glCopyTexSubImage2D");
	glad_glTexSubImage1D = (PFNGLTEXSUBIMAGE1DPROC)load("glTexSubImage1D");
	glad_glTexSubImage2D = (PFNGLTEXSUBIMAGE2DPROC)load("glTexSubImage2D");
	glad_glBindTexture = (PFNGLBINDTEXTUREPROC)load("glBindTexture");
	glad_glDeleteTextures = (PFNGLDELETETEXTURESPROC)load("glDeleteTextures");
	glad_glGenTextures = (PFNGLGENTEXTURESPROC)load("glGenTextures");
	glad_glIsTexture = (PFNGLISTEXTUREPROC)load("glIsTexture");
}
static void load_GL_VERSION_1_2(GLADloadproc load) {
	if(!GLAD_GL_VERSION_1_2) return;
	glad_glDrawRangeElements = (PFNGLDRAWRANGEELEMENTSPROC)load("glDrawRangeElements");
	glad_glTexImage3D = (PFNGLTEXIMAGE3DPROC)load("glTexImage3D");
	glad_glTexSubImage3D = (PFNGLTEXSUBIMAGE3DPROC)load("glTexSubImage3D");
	glad_glCopyTexSubImage3D = (PFNGLCOPYTEXSUBIMAGE3DPROC)load("glCopyTexSubImage3D");
}
static void load_GL_VERSION_1_3(GLADloadproc load) {
	if(!GLAD_GL_VERSION_1_3) return;
	glad_glActiveTexture = (PFNGLACTIVETEXTUREPROC)load("glActiveTexture");
	glad_glSampleCoverage = (PFNGLSAMPLECOVERAGEPROC)load("glSampleCoverage");
	glad_glCompressedTexImage3D = (PFNGLCOMPRESSEDTEXIMAGE3DPROC)load("glCompressedTexImage3D");
	glad_glCompressedTexImage2D = (PFNGLCOMPRESSEDTEXIMAGE2DPROC)load("glCompressedTexImage2D");
	glad_glCompressedTexImage1D = (PFNGLCOMPRESSEDTEXIMAGE1DPROC)load("glCompressedTexImage1D");
	glad_glCompressedTexSubImage3D = (PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC)load("glCompressedTexSubImage3D");
	glad_glCompressedTexSubImage2D = (PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC)load("glCompressedTexSubImage2D");
	glad_glCompressedTexSubImage1D = (PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC)load("glCompressedTexSubImage1D");
	glad_glGetCompressedTexImage = (PFNGLGETCOMPRESSEDTEXIMAGEPROC)load("glGetCompressedTexImage");
}
static void load_GL_VERSION_1_4(GLADloadproc load) {
	if(!GLAD_GL_VERSION_1_4) return;
	glad_glBlendFuncSeparate = (PFNGLBLENDFUNCSEPARATEPROC)load("glBlendFuncSeparate");
	glad_glMultiDrawArrays = (PFNGLMULTIDRAWARRAYSPROC)load("glMultiDrawArrays");
	glad_glMultiDrawElements = (PFNGLMULTIDRAWELEMENTSPROC)load("glMultiDrawElements");
	glad_glPointParameterf = (PFNGLPOINTPARAMETERFPROC)load("glPointParameterf");
	glad_glPointParameterfv = (PFNGLPOINTPARAMETERFVPROC)load("glPointParameterfv");
	glad_glPointParameteri = (PFNGLPOINTPARAMETERIPROC)load("glPointParameteri");
	glad_glPointParameteriv = (PFNGLPOINTPARAMETERIVPROC)load("glPointParameteriv");
	glad_glBlendColor = (PFNGLBLENDCOLORPROC)load("glBlendColor");
	glad_glBlendEquation = (PFNGLBLENDEQUATIONPROC)load("glBlendEquation");
}
static void load_GL_VERSION_1_5(GLADloadproc load) {
	if(!GLAD_GL_VERSION_1_5) return;
	glad_glGenQueries = (PFNGLGENQUERIESPROC)load("glGenQueries");
	glad_glDeleteQueries = (PFNGLDELETEQUERIESPROC)load("glDeleteQueries");
	glad_glIsQuery = (PFNGLISQUERYPROC)load("glIsQuery");
	glad_glBeginQuery = (PFNGLBEGINQUERYPROC)load("glBeginQuery");
	glad_glEndQuery = (PFNGLENDQUERYPROC)load("glEndQuery");
	glad_glGetQueryiv = (PFNGLGETQUERYIVPROC)load("glGetQueryiv");
	glad_glGetQueryObjectiv = (PFNGLGETQUERYOBJECTIVPROC)load("glGetQueryObjectiv");
	glad_glGetQueryObjectuiv = (PFNGLGETQUERYOBJECTUIVPROC)load("glGetQueryObjectuiv");
	glad_glBindBuffer = (PFNGLBINDBUFFERPROC)load("glBindBuffer");
	glad_glDeleteBuffers = (PFNGLDELETEBUFFERSPROC)load("glDeleteBuffers");
	glad_glGenBuffers = (PFNGLGENBUFFERSPROC)load("glGenBuffers");
	glad_glIsBuffer = (PFNGLISBUFFERPROC)load("glIsBuffer");
	glad_glBufferData = (PFNGLBUFFERDATAPROC)load("glBufferData");
	glad_glBufferSubData = (PFNGLBUFFERSUBDATAPROC)load("glBufferSubData");
	glad_glGetBufferSubData = (PFNGLGETBUFFERSUBDATAPROC)load("glGetBufferSubData");
	glad_glMapBuffer = (PFNGLMAPBUFFERPROC)load("glMapBuffer");
	glad_glUnmapBuffer = (PFNGLUNMAPBUFFERPROC)load("glUnmapBuffer");
	glad_glGetBufferParameteriv = (PFNGLGETBUFFERPARAMETERIVPROC)load("glGetBufferParameteriv");
	glad_glGetBufferPointerv = (PFNGLGETBUFFERPOINTERVPROC)load("glGetBufferPointerv");
}
static void load_GL_VERSION_2_0(GLADloadproc load) {
	if(!GLAD_GL_VERSION_2_0) return;
	glad_glBlendEquationSeparate = (PFNGLBLENDEQUATIONSEPARATEPROC)load("glBlendEquationSeparate");
	glad_glDrawBuffers = (PFNGLDRAWBUFFERSPROC)load("glDrawBuffers");
	glad_glStencilOpSeparate = (PFNGLSTENCILOPSEPARATEPROC)load("glStencilOpSeparate");
	glad_glStencilFuncSeparate = (PFNGLSTENCILFUNCSEPARATEPROC)load("glStencilFuncSeparate");
	glad_glStencilMaskSeparate = (PFNGLSTENCILMASKSEPARATEPROC)load("glStencilMaskSeparate");
	glad_glAttachShader = (PFNGLATTACHSHADERPROC)load("glAttachShader");
	glad_glBindAttribLocation = (PFNGLBINDATTRIBLOCATIONPROC)load("glBindAttribLocation");
	glad_glCompileShader = (PFNGLCOMPILESHADERPROC)load("glCompileShader");
	glad_glCreateProgram = (PFNGLCREATEPROGRAMPROC)load("glCreateProgram");
	glad_glCreateShader = (PFNGLCREATESHADERPROC)load("glCreateShader");
	glad_glDeleteProgram = (PFNGLDELETEPROGRAMPROC)load("glDeleteProgram");
	glad_glDeleteShader = (PFNGLDELETESHADERPROC)load("glDeleteShader");
	glad_glDetachShader = (PFNGLDETACHSHADERPROC)load("glDetachShader");
	glad_glDisableVertexAttribArray = (PFNGLDISABLEVERTEXATTRIBARRAYPROC)load("glDisableVertexAttribArray");
	glad_glEnableVertexAttribArray = (PFNGLENABLEVERTEXATTRIBARRAYPROC)load("glEnableVertexAttribArray");
	glad_glGetActiveAttrib = (PFNGLGETACTIVEATTRIBPROC)load("glGetActiveAttrib");
	glad_glGetActiveUniform = (PFNGLGETACTIVEUNIFORMPROC)load("glGetActiveUniform");
	glad_glGetAttachedShaders = (PFNGLGETATTACHEDSHADERSPROC)load("glGetAttachedShaders");
	glad_glGetAttribLocation = (PFNGLGETATTRIBLOCATIONPROC)load("glGetAttribLocation");
	glad_glGetProgramiv = (PFNGLGETPROGRAMIVPROC)load("glGetProgramiv");
	glad_glGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC)load("glGetProgramInfoLog");
	glad_glGetShaderiv = (PFNGLGETSHADERIVPROC)load("glGetShaderiv");
	glad_glGetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC)load("glGetShaderInfoLog");
	glad_glGetShaderSource = (PFNGLGETSHADERSOURCEPROC)load("glGetShaderSource");
	glad_glGetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC)load("glGetUniformLocation");
	glad_glGetUniformfv = (PFNGLGETUNIFORMFVPROC)load("glGetUniformfv");
	glad_glGetUniformiv = (PFNGLGETUNIFORMIVPROC)load("glGetUniformiv");
	glad_glGetVertexAttribdv = (PFNGLGETVERTEXATTRIBDVPROC)load("glGetVertexAttribdv");
	glad_glGetVertexAttribfv = (PFNGLGETVERTEXATTRIBFVPROC)load("glGetVertexAttribfv");
	glad_glGetVertexAttribiv = (PFNGLGETVERTEXATTRIBIVPROC)load("glGetVertexAttribiv");
	glad_glGetVertexAttribPointerv = (PFNGLGETVERTEXATTRIBPOINTERVPROC)load("glGetVertexAttribPointerv");
	glad_glIsProgram = (PFNGLISPROGRAMPROC)load("glIsProgram");
	glad_glIsShader = (PFNGLISSHADERPROC)load("glIsShader");
	glad_glLinkProgram = (PFNGLLINKPROGRAMPROC)load("glLinkProgram");
	glad_glShaderSource = (PFNGLSHADERSOURCEPROC)load("glShaderSource");
	glad_glUseProgram = (PFNGLUSEPROGRAMPROC)load("glUseProgram");
	glad_glUniform1f = (PFNGLUNIFORM1FPROC)load("glUniform1f");
	glad_glUniform2f = (PFNGLUNIFORM2FPROC)load("glUniform2f");
	glad_glUniform3f = (PFNGLUNIFORM3FPROC)load("glUniform3f");
	glad_glUniform4f = (PFNGLUNIFORM4FPROC)load("glUniform4f");
	glad_glUniform1i = (PFNGLUNIFORM1IPROC)load("glUniform1i");
	glad_glUniform2i = (PFNGLUNIFORM2IPROC)load("glUniform2i");
	glad_glUniform3i = (PFNGLUNIFORM3IPROC)load("glUniform3i");
	glad_glUniform4i = (PFNGLUNIFORM4IPROC)load("glUniform4i");
	glad_glUniform1fv = (PFNGLUNIFORM1FVPROC)load("glUniform1fv");
	glad_glUniform2fv = (PFNGLUNIFORM2FVPROC)load("glUniform2fv");
	glad_glUniform3fv = (PFNGLUNIFORM3FVPROC)load("glUniform3fv");
	glad_glUniform4fv = (PFNGLUNIFORM4FVPROC)load("glUniform4fv");
	glad_glUniform1iv = (PFNGLUNIFORM1IVPROC)load("glUniform1iv");
	glad_glUniform2iv = (PFNGLUNIFORM2IVPROC)load("glUniform2iv");
	glad_glUniform3iv = (PFNGLUNIFORM3IVPROC)load("glUniform3iv");
	glad_glUniform4iv = (PFNGLUNIFORM4IVPROC)load("glUniform4iv");
	glad_glUniformMatrix2fv = (PFNGLUNIFORMMATRIX2FVPROC)load("glUniformMatrix2fv");
	glad_glUniformMatrix3fv = (PFNGLUNIFORMMATRIX3FVPROC)load("glUniformMatrix3fv");
	glad_glUniformMatrix4fv = (PFNGLUNIFORMMATRIX4FVPROC)load("glUniformMatrix4fv");
	glad_glValidateProgram = (PFNGLVALIDATEPROGRAMPROC)load("glValidateProgram");
	glad_glVertexAttrib1d = (PFNGLVERTEXATTRIB1DPROC)load("glVertexAttrib1d");
	glad_glVertexAttrib1dv = (PFNGLVERTEXATTRIB1DVPROC)load("glVertexAttrib1dv");
	glad_glVertexAttrib1f = (PFNGLVERTEXATTRIB1FPROC)load("glVertexAttrib1f");
	glad_glVertexAttrib1fv = (PFNGLVERTEXATTRIB1FVPROC)load("glVertexAttrib1fv");
	glad_glVertexAttrib1s = (PFNGLVERTEXATTRIB1SPROC)load("glVertexAttrib1s");
	glad_glVertexAttrib1sv = (PFNGLVERTEXATTRIB1SVPROC)load("glVertexAttrib1sv");
	glad_glVertexAttrib2d = (PFNGLVERTEXATTRIB2DPROC)load("glVertexAttrib2d");
	glad_glVertexAttrib2dv = (PFNGLVERTEXATTRIB2DVPROC)load("glVertexAttrib2dv");
	glad_glVertexAttrib2f = (PFNGLVERTEXATTRIB2FPROC)load("glVertexAttrib2f");
	glad_glVertexAttrib2fv = (PFNGLVERTEXATTRIB2FVPROC)load("glVertexAttrib2fv");
	glad_glVertexAttrib2s = (PFNGLVERTEXATTRIB2SPROC)load("glVertexAttrib2s");
	glad_glVertexAttrib2sv = (PFNGLVERTEXATTRIB2SVPROC)load("glVertexAttrib2sv");
	glad_glVertexAttrib3d = (PFNGLVERTEXATTRIB3DPROC)load("glVertexAttrib3d");
	glad_glVertexAttrib3dv = (PFNGLVERTEXATTRIB3DVPROC)load("glVertexAttrib3dv");
	glad_glVertexAttrib3f = (PFNGLVERTEXATTRIB3FPROC)load("glVertexAttrib3f");
	glad_glVertexAttrib3fv = (PFNGLVERTEXATTRIB3FVPROC)load("glVertexAttrib3fv");
	glad_glVertexAttrib3s = (PFNGLVERTEXATTRIB3SPROC)load("glVertexAttrib3s");
	glad_glVertexAttrib3sv = (PFNGLVERTEXATTRIB3SVPROC)load("glVertexAttrib3sv");
	glad_glVertexAttrib4Nbv = (PFNGLVERTEXATTRIB4NBVPROC)load("glVertexAttrib4Nbv");
	glad_glVertexAttrib4Niv = (PFNGLVERTEXATTRIB4NIVPROC)load("glVertexAttrib4Niv");
	glad_glVertexAttrib4Nsv = (PFNGLVERTEXATTRIB4NSVPROC)load("glVertexAttrib4Nsv");
	glad_glVertexAttrib4Nub = (PFNGLVERTEXATTRIB4NUBPROC)load("glVertexAttrib4Nub");
	glad_glVertexAttrib4Nubv = (PFNGLVERTEXATTRIB4NUBVPROC)load("glVertexAttrib4Nubv");
	glad_glVertexAttrib4Nuiv = (PFNGLVERTEXATTRIB4NUIVPROC)load("glVertexAttrib4Nuiv");
	glad_glVertexAttrib4Nusv = (PFNGLVERTEXATTRIB4NUSVPROC)load("glVertexAttrib4Nusv");
	glad_glVertexAttrib4bv = (PFNGLVERTEXATTRIB4BVPROC)load("glVertexAttrib4bv");
	glad_glVertexAttrib4d = (PFNGLVERTEXATTRIB4DPROC)load("glVertexAttrib4d");
	glad_glVertexAttrib4dv = (PFNGLVERTEXATTRIB4DVPROC)load("glVertexAttrib4dv");
	glad_glVertexAttrib4f = (PFNGLVERTEXATTRIB4FPROC)load("glVertexAttrib4f");
	glad_glVertexAttrib4fv = (PFNGLVERTEXATTRIB4FVPROC)load("glVertexAttrib4fv");
	glad_glVertexAttrib4iv = (PFNGLVERTEXATTRIB4IVPROC)load("glVertexAttrib4iv");
	glad_glVertexAttrib4s = (PFNGLVERTEXATTRIB4SPROC)load("glVertexAttrib4s");
	glad_glVertexAttrib4sv = (PFNGLVERTEXATTRIB4SVPROC)load("glVertexAttrib4sv");
	glad_glVertexAttrib4ubv = (PFNGLVERTEXATTRIB4UBVPROC)load("glVertexAttrib4ubv");
	glad_glVertexAttrib4uiv = (PFNGLVERTEXATTRIB4UIVPROC)load("glVertexAttrib4uiv");
	glad_glVertexAttrib4usv = (PFNGLVERTEXATTRIB4USVPROC)load("glVertexAttrib4usv");
	glad_glVertexAttribPointer = (PFNGLVERTEXATTRIBPOINTERPROC)load("glVertexAttribPointer");
}
static void load_GL_VERSION_2_1(GLADloadproc load) {
	if(!GLAD_GL_VERSION_2_1) return;
	glad_glUniformMatrix2x3fv = (PFNGLUNIFORMMATRIX2X3FVPROC)load("glUniformMatrix2x3fv");
	glad_glUniformMatrix3x2fv = (PFNGLUNIFORMMATRIX3X2FVPROC)load("glUniformMatrix3x2fv");
	glad_glUniformMatrix2x4fv = (PFNGLUNIFORMMATRIX2X4FVPROC)load("glUniformMatrix2x4fv");
	glad_glUniformMatrix4x2fv = (PFNGLUNIFORMMATRIX4X2FVPROC)load("glUniformMatrix4x2fv");
	glad_glUniformMatrix3x4fv = (PFNGLUNIFORMMATRIX3X4FVPROC)load("glUniformMatrix3x4fv");
	glad_glUniformMatrix4x3fv = (PFNGLUNIFORMMATRIX4X3FVPROC)load("glUniformMatrix4x3fv");
}
static void load_GL_ARB_framebuffer_object(GLADloadproc load) {
	if(!GLAD_GL_ARB_framebuffer_object) return;
	glad_glIsRenderbuffer = (PFNGLISRENDERBUFFERPROC)load("glIsRenderbuffer");
	glad_glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC)load("glBindRenderbuffer");
	glad_glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC)load("glDeleteRenderbuffers");
	glad_glGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC)load("glGenRenderbuffers");
	glad_glRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC)load("glRenderbufferStorage");
	glad_glGetRenderbufferParameteriv = (PFNGLGETRENDERBUFFERPARAMETERIVPROC)load("glGetRenderbufferParameteriv");
	glad_glIsFramebuffer = (PFNGLISFRAMEBUFFERPROC)load("glIsFramebuffer");
	glad_glBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC)load("glBindFramebuffer");
	glad_glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC)load("glDeleteFramebuffers");
	glad_glGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)load("glGenFramebuffers");
	glad_glCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC)load("glCheckFramebufferStatus");
	glad_glFramebufferTexture1D = (PFNGLFRAMEBUFFERTEXTURE1DPROC)load("glFramebufferTexture1D");
	glad_glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC)load("glFramebufferTexture2D");
	glad_glFramebufferTexture3D = (PFNGLFRAMEBUFFERTEXTURE3DPROC)load("glFramebufferTexture3D");
	glad_glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC)load("glFramebufferRenderbuffer");
	glad_glGetFramebufferAttachmentParameteriv = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC)load("glGetFramebufferAttachmentParameteriv");
	glad_glGenerateMipmap = (PFNGLGENERATEMIPMAPPROC)load("glGenerateMipmap");
	glad_glBlitFramebuffer = (PFNGLBLITFRAMEBUFFERPROC)load("glBlitFramebuffer");
	glad_glRenderbufferStorageMultisample = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC)load("glRenderbufferStorageMultisample");
	glad_glFramebufferTextureLayer = (PFNGLFRAMEBUFFERTEXTURELAYERPROC)load("glFramebufferTextureLayer");
}
static int find_extensionsGL(void) {
	if (!get_exts()) return 0;
	GLAD_GL_ARB_framebuffer_object = has_ext("GL_ARB_framebuffer_object");
	free_exts();
	return 1;
}

static void find_coreGL(void) {

    /* Thank you @elmindreda
     * https://github.com/elmindreda/greg/blob/master/templates/greg.c.in#L176
     * https://github.com/glfw/glfw/blob/master/src/context.c#L36
     */
    int i, major, minor;

    const char* version;
    const char* prefixes[] = {
        "OpenGL ES-CM ",
        "OpenGL ES-CL ",
        "OpenGL ES ",
        NULL
    };

    version = (const char*) glGetString(GL_VERSION);
    if (!version) return;

    for (i = 0;  prefixes[i];  i++) {
        const size_t length = strlen(prefixes[i]);
        if (strncmp(version, prefixes[i], length) == 0) {
            version += length;
            break;
        }
    }

/* PR #18 */
#ifdef _MSC_VER
    sscanf_s(version, "%d.%d", &major, &minor);
#else
    sscanf(version, "%d.%d", &major, &minor);
#endif

    GLVersion.major = major; GLVersion.minor = minor;
    max_loaded_major = major; max_loaded_minor = minor;
	GLAD_GL_VERSION_1_0 = (major == 1 && minor >= 0) || major > 1;
	GLAD_GL_VERSION_1_1 = (major == 1 && minor >= 1) || major > 1;
	GLAD_GL_VERSION_1_2 = (major == 1 && minor >= 2) || major > 1;
	GLAD_GL_VERSION_1_3 = (major == 1 && minor >= 3) || major > 1;
	GLAD_GL_VERSION_1_4 = (major == 1 && minor >= 4) || major > 1;
	GLAD_GL_VERSION_1_5 = (major == 1 && minor >= 5) || major > 1;
	GLAD_GL_VERSION_2_0 = (major == 2 && minor >= 0) || major > 2;
	GLAD_GL_VERSION_2_1 = (major == 2 && minor >= 1) || major > 2;
	if (GLVersion.major > 2 || (GLVersion.major >= 2 && GLVersion.minor >= 1)) {
		max_loaded_major = 2;
		max_loaded_minor = 1;
	}
}

int gladLoadGLLoader(GLADloadproc load) {
	GLVersion.major = 0; GLVersion.minor = 0;
	glGetString = (PFNGLGETSTRINGPROC)load("glGetString");
	if(glGetString == NULL) return 0;
	if(glGetString(GL_VERSION) == NULL) return 0;
	find_coreGL();
	load_GL_VERSION_1_0(load);
	load_GL_VERSION_1_1(load);
	load_GL_VERSION_1_2(load);
	load_GL_VERSION_1_3(load);
	load_GL_VERSION_1_4(load);
	load_GL_VERSION_1_5(load);
	load_GL_VERSION_2_0(load);
	load_GL_VERSION_2_1(load);

	if (!find_extensionsGL()) return 0;
	load_GL_ARB_framebuffer_object(load);
	return GLVersion.major != 0 || GLVersion.minor != 0;
}