1 /*
2 
3     OpenGL, OpenGL ES loader generated by glad 0.1.33 on Mon Nov 25 10:36:05 2019.
4 
5     Language/Generator: C/C++
6     Specification: gl
7     APIs: gl=3.0, gles2=2.0
8     Profile: core
9     Extensions:
10         GL_ARB_framebuffer_object,
11         GL_ARB_vertex_array_object
12     Loader: True
13     Local files: False
14     Omit khrplatform: False
15     Reproducible: False
16 
17     Commandline:
18         --profile="core" --api="gl=3.0,gles2=2.0" --generator="c" --spec="gl" --extensions="GL_ARB_framebuffer_object,GL_ARB_vertex_array_object"
19     Online:
20         https://glad.dav1d.de/#profile=core&language=c&specification=gl&loader=on&api=gl%3D3.0&api=gles2%3D2.0&extensions=GL_ARB_framebuffer_object&extensions=GL_ARB_vertex_array_object
21 */
22 
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <glad/glad.h>
27 
28 static void* get_proc(const char *namez);
29 
30 #if defined(_WIN32) || defined(__CYGWIN__)
31 #ifndef _WINDOWS_
32 #undef APIENTRY
33 #endif
34 #include <windows.h>
35 static HMODULE libGL;
36 
37 typedef void* (APIENTRYP PFNWGLGETPROCADDRESSPROC_PRIVATE)(const char*);
38 static PFNWGLGETPROCADDRESSPROC_PRIVATE gladGetProcAddressPtr;
39 
40 #ifdef _MSC_VER
41 #ifdef __has_include
42   #if __has_include(<winapifamily.h>)
43     #define HAVE_WINAPIFAMILY 1
44   #endif
45 #elif _MSC_VER >= 1700 && !_USING_V110_SDK71_
46   #define HAVE_WINAPIFAMILY 1
47 #endif
48 #endif
49 
50 #ifdef HAVE_WINAPIFAMILY
51   #include <winapifamily.h>
52   #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
53     #define IS_UWP 1
54   #endif
55 #endif
56 
57 static
open_gl(void)58 int open_gl(void) {
59 #ifndef IS_UWP
60     libGL = LoadLibraryW(L"opengl32.dll");
61     if(libGL != NULL) {
62         void (* tmp)(void);
63         tmp = (void(*)(void)) GetProcAddress(libGL, "wglGetProcAddress");
64         gladGetProcAddressPtr = (PFNWGLGETPROCADDRESSPROC_PRIVATE) tmp;
65         return gladGetProcAddressPtr != NULL;
66     }
67 #endif
68 
69     return 0;
70 }
71 
72 static
close_gl(void)73 void close_gl(void) {
74     if(libGL != NULL) {
75         FreeLibrary((HMODULE) libGL);
76         libGL = NULL;
77     }
78 }
79 #else
80 #include <dlfcn.h>
81 static void* libGL;
82 
83 #if !defined(__APPLE__) && !defined(__HAIKU__)
84 typedef void* (APIENTRYP PFNGLXGETPROCADDRESSPROC_PRIVATE)(const char*);
85 static PFNGLXGETPROCADDRESSPROC_PRIVATE gladGetProcAddressPtr;
86 #endif
87 
88 static
open_gl(void)89 int open_gl(void) {
90 #ifdef __APPLE__
91     static const char *NAMES[] = {
92         "../Frameworks/OpenGL.framework/OpenGL",
93         "/Library/Frameworks/OpenGL.framework/OpenGL",
94         "/System/Library/Frameworks/OpenGL.framework/OpenGL",
95         "/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL"
96     };
97 #else
98     static const char *NAMES[] = {"libGL.so.1", "libGL.so"};
99 #endif
100 
101     unsigned int index = 0;
102     for(index = 0; index < (sizeof(NAMES) / sizeof(NAMES[0])); index++) {
103         libGL = dlopen(NAMES[index], RTLD_NOW | RTLD_GLOBAL);
104 
105         if(libGL != NULL) {
106 #if defined(__APPLE__) || defined(__HAIKU__)
107             return 1;
108 #else
109             gladGetProcAddressPtr = (PFNGLXGETPROCADDRESSPROC_PRIVATE)dlsym(libGL,
110                 "glXGetProcAddressARB");
111             return gladGetProcAddressPtr != NULL;
112 #endif
113         }
114     }
115 
116     return 0;
117 }
118 
119 static
close_gl(void)120 void close_gl(void) {
121     if(libGL != NULL) {
122         dlclose(libGL);
123         libGL = NULL;
124     }
125 }
126 #endif
127 
128 static
get_proc(const char * namez)129 void* get_proc(const char *namez) {
130     void* result = NULL;
131     if(libGL == NULL) return NULL;
132 
133 #if !defined(__APPLE__) && !defined(__HAIKU__)
134     if(gladGetProcAddressPtr != NULL) {
135         result = gladGetProcAddressPtr(namez);
136     }
137 #endif
138     if(result == NULL) {
139 #if defined(_WIN32) || defined(__CYGWIN__)
140         result = (void*)GetProcAddress((HMODULE) libGL, namez);
141 #else
142         result = dlsym(libGL, namez);
143 #endif
144     }
145 
146     return result;
147 }
148 
gladLoadGL(void)149 int gladLoadGL(void) {
150     int status = 0;
151 
152     if(open_gl()) {
153         status = gladLoadGLLoader(&get_proc);
154         close_gl();
155     }
156 
157     return status;
158 }
159 
160 struct gladGLversionStruct GLVersion = { 0, 0 };
161 
162 #if defined(GL_ES_VERSION_3_0) || defined(GL_VERSION_3_0)
163 #define _GLAD_IS_SOME_NEW_VERSION 1
164 #endif
165 
166 static int max_loaded_major;
167 static int max_loaded_minor;
168 
169 static const char *exts = NULL;
170 static int num_exts_i = 0;
171 static char **exts_i = NULL;
172 
get_exts(void)173 static int get_exts(void) {
174 #ifdef _GLAD_IS_SOME_NEW_VERSION
175     if(max_loaded_major < 3) {
176 #endif
177         exts = (const char *)glGetString(GL_EXTENSIONS);
178 #ifdef _GLAD_IS_SOME_NEW_VERSION
179     } else {
180         unsigned int index;
181 
182         num_exts_i = 0;
183         glGetIntegerv(GL_NUM_EXTENSIONS, &num_exts_i);
184         if (num_exts_i > 0) {
185             exts_i = (char **)malloc((size_t)num_exts_i * (sizeof *exts_i));
186         }
187 
188         if (exts_i == NULL) {
189             return 0;
190         }
191 
192         for(index = 0; index < (unsigned)num_exts_i; index++) {
193             const char *gl_str_tmp = (const char*)glGetStringi(GL_EXTENSIONS, index);
194             size_t len = strlen(gl_str_tmp);
195 
196             char *local_str = (char*)malloc((len+1) * sizeof(char));
197             if(local_str != NULL) {
198                 memcpy(local_str, gl_str_tmp, (len+1) * sizeof(char));
199             }
200             exts_i[index] = local_str;
201         }
202     }
203 #endif
204     return 1;
205 }
206 
free_exts(void)207 static void free_exts(void) {
208     if (exts_i != NULL) {
209         int index;
210         for(index = 0; index < num_exts_i; index++) {
211             free((char *)exts_i[index]);
212         }
213         free((void *)exts_i);
214         exts_i = NULL;
215     }
216 }
217 
has_ext(const char * ext)218 static int has_ext(const char *ext) {
219 #ifdef _GLAD_IS_SOME_NEW_VERSION
220     if(max_loaded_major < 3) {
221 #endif
222         const char *extensions;
223         const char *loc;
224         const char *terminator;
225         extensions = exts;
226         if(extensions == NULL || ext == NULL) {
227             return 0;
228         }
229 
230         while(1) {
231             loc = strstr(extensions, ext);
232             if(loc == NULL) {
233                 return 0;
234             }
235 
236             terminator = loc + strlen(ext);
237             if((loc == extensions || *(loc - 1) == ' ') &&
238                 (*terminator == ' ' || *terminator == '\0')) {
239                 return 1;
240             }
241             extensions = terminator;
242         }
243 #ifdef _GLAD_IS_SOME_NEW_VERSION
244     } else {
245         int index;
246         if(exts_i == NULL) return 0;
247         for(index = 0; index < num_exts_i; index++) {
248             const char *e = exts_i[index];
249 
250             if(exts_i[index] != NULL && strcmp(e, ext) == 0) {
251                 return 1;
252             }
253         }
254     }
255 #endif
256 
257     return 0;
258 }
259 int GLAD_GL_VERSION_1_0 = 0;
260 int GLAD_GL_VERSION_1_1 = 0;
261 int GLAD_GL_VERSION_1_2 = 0;
262 int GLAD_GL_VERSION_1_3 = 0;
263 int GLAD_GL_VERSION_1_4 = 0;
264 int GLAD_GL_VERSION_1_5 = 0;
265 int GLAD_GL_VERSION_2_0 = 0;
266 int GLAD_GL_VERSION_2_1 = 0;
267 int GLAD_GL_VERSION_3_0 = 0;
268 int GLAD_GL_ES_VERSION_2_0 = 0;
269 PFNGLACTIVETEXTUREPROC glad_glActiveTexture = NULL;
270 PFNGLATTACHSHADERPROC glad_glAttachShader = NULL;
271 PFNGLBEGINCONDITIONALRENDERPROC glad_glBeginConditionalRender = NULL;
272 PFNGLBEGINQUERYPROC glad_glBeginQuery = NULL;
273 PFNGLBEGINTRANSFORMFEEDBACKPROC glad_glBeginTransformFeedback = NULL;
274 PFNGLBINDATTRIBLOCATIONPROC glad_glBindAttribLocation = NULL;
275 PFNGLBINDBUFFERPROC glad_glBindBuffer = NULL;
276 PFNGLBINDBUFFERBASEPROC glad_glBindBufferBase = NULL;
277 PFNGLBINDBUFFERRANGEPROC glad_glBindBufferRange = NULL;
278 PFNGLBINDFRAGDATALOCATIONPROC glad_glBindFragDataLocation = NULL;
279 PFNGLBINDFRAMEBUFFERPROC glad_glBindFramebuffer = NULL;
280 PFNGLBINDRENDERBUFFERPROC glad_glBindRenderbuffer = NULL;
281 PFNGLBINDTEXTUREPROC glad_glBindTexture = NULL;
282 PFNGLBINDVERTEXARRAYPROC glad_glBindVertexArray = NULL;
283 PFNGLBLENDCOLORPROC glad_glBlendColor = NULL;
284 PFNGLBLENDEQUATIONPROC glad_glBlendEquation = NULL;
285 PFNGLBLENDEQUATIONSEPARATEPROC glad_glBlendEquationSeparate = NULL;
286 PFNGLBLENDFUNCPROC glad_glBlendFunc = NULL;
287 PFNGLBLENDFUNCSEPARATEPROC glad_glBlendFuncSeparate = NULL;
288 PFNGLBLITFRAMEBUFFERPROC glad_glBlitFramebuffer = NULL;
289 PFNGLBUFFERDATAPROC glad_glBufferData = NULL;
290 PFNGLBUFFERSUBDATAPROC glad_glBufferSubData = NULL;
291 PFNGLCHECKFRAMEBUFFERSTATUSPROC glad_glCheckFramebufferStatus = NULL;
292 PFNGLCLAMPCOLORPROC glad_glClampColor = NULL;
293 PFNGLCLEARPROC glad_glClear = NULL;
294 PFNGLCLEARBUFFERFIPROC glad_glClearBufferfi = NULL;
295 PFNGLCLEARBUFFERFVPROC glad_glClearBufferfv = NULL;
296 PFNGLCLEARBUFFERIVPROC glad_glClearBufferiv = NULL;
297 PFNGLCLEARBUFFERUIVPROC glad_glClearBufferuiv = NULL;
298 PFNGLCLEARCOLORPROC glad_glClearColor = NULL;
299 PFNGLCLEARDEPTHPROC glad_glClearDepth = NULL;
300 PFNGLCLEARDEPTHFPROC glad_glClearDepthf = NULL;
301 PFNGLCLEARSTENCILPROC glad_glClearStencil = NULL;
302 PFNGLCOLORMASKPROC glad_glColorMask = NULL;
303 PFNGLCOLORMASKIPROC glad_glColorMaski = NULL;
304 PFNGLCOMPILESHADERPROC glad_glCompileShader = NULL;
305 PFNGLCOMPRESSEDTEXIMAGE1DPROC glad_glCompressedTexImage1D = NULL;
306 PFNGLCOMPRESSEDTEXIMAGE2DPROC glad_glCompressedTexImage2D = NULL;
307 PFNGLCOMPRESSEDTEXIMAGE3DPROC glad_glCompressedTexImage3D = NULL;
308 PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC glad_glCompressedTexSubImage1D = NULL;
309 PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC glad_glCompressedTexSubImage2D = NULL;
310 PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC glad_glCompressedTexSubImage3D = NULL;
311 PFNGLCOPYTEXIMAGE1DPROC glad_glCopyTexImage1D = NULL;
312 PFNGLCOPYTEXIMAGE2DPROC glad_glCopyTexImage2D = NULL;
313 PFNGLCOPYTEXSUBIMAGE1DPROC glad_glCopyTexSubImage1D = NULL;
314 PFNGLCOPYTEXSUBIMAGE2DPROC glad_glCopyTexSubImage2D = NULL;
315 PFNGLCOPYTEXSUBIMAGE3DPROC glad_glCopyTexSubImage3D = NULL;
316 PFNGLCREATEPROGRAMPROC glad_glCreateProgram = NULL;
317 PFNGLCREATESHADERPROC glad_glCreateShader = NULL;
318 PFNGLCULLFACEPROC glad_glCullFace = NULL;
319 PFNGLDELETEBUFFERSPROC glad_glDeleteBuffers = NULL;
320 PFNGLDELETEFRAMEBUFFERSPROC glad_glDeleteFramebuffers = NULL;
321 PFNGLDELETEPROGRAMPROC glad_glDeleteProgram = NULL;
322 PFNGLDELETEQUERIESPROC glad_glDeleteQueries = NULL;
323 PFNGLDELETERENDERBUFFERSPROC glad_glDeleteRenderbuffers = NULL;
324 PFNGLDELETESHADERPROC glad_glDeleteShader = NULL;
325 PFNGLDELETETEXTURESPROC glad_glDeleteTextures = NULL;
326 PFNGLDELETEVERTEXARRAYSPROC glad_glDeleteVertexArrays = NULL;
327 PFNGLDEPTHFUNCPROC glad_glDepthFunc = NULL;
328 PFNGLDEPTHMASKPROC glad_glDepthMask = NULL;
329 PFNGLDEPTHRANGEPROC glad_glDepthRange = NULL;
330 PFNGLDEPTHRANGEFPROC glad_glDepthRangef = NULL;
331 PFNGLDETACHSHADERPROC glad_glDetachShader = NULL;
332 PFNGLDISABLEPROC glad_glDisable = NULL;
333 PFNGLDISABLEVERTEXATTRIBARRAYPROC glad_glDisableVertexAttribArray = NULL;
334 PFNGLDISABLEIPROC glad_glDisablei = NULL;
335 PFNGLDRAWARRAYSPROC glad_glDrawArrays = NULL;
336 PFNGLDRAWBUFFERPROC glad_glDrawBuffer = NULL;
337 PFNGLDRAWBUFFERSPROC glad_glDrawBuffers = NULL;
338 PFNGLDRAWELEMENTSPROC glad_glDrawElements = NULL;
339 PFNGLDRAWRANGEELEMENTSPROC glad_glDrawRangeElements = NULL;
340 PFNGLENABLEPROC glad_glEnable = NULL;
341 PFNGLENABLEVERTEXATTRIBARRAYPROC glad_glEnableVertexAttribArray = NULL;
342 PFNGLENABLEIPROC glad_glEnablei = NULL;
343 PFNGLENDCONDITIONALRENDERPROC glad_glEndConditionalRender = NULL;
344 PFNGLENDQUERYPROC glad_glEndQuery = NULL;
345 PFNGLENDTRANSFORMFEEDBACKPROC glad_glEndTransformFeedback = NULL;
346 PFNGLFINISHPROC glad_glFinish = NULL;
347 PFNGLFLUSHPROC glad_glFlush = NULL;
348 PFNGLFLUSHMAPPEDBUFFERRANGEPROC glad_glFlushMappedBufferRange = NULL;
349 PFNGLFRAMEBUFFERRENDERBUFFERPROC glad_glFramebufferRenderbuffer = NULL;
350 PFNGLFRAMEBUFFERTEXTURE1DPROC glad_glFramebufferTexture1D = NULL;
351 PFNGLFRAMEBUFFERTEXTURE2DPROC glad_glFramebufferTexture2D = NULL;
352 PFNGLFRAMEBUFFERTEXTURE3DPROC glad_glFramebufferTexture3D = NULL;
353 PFNGLFRAMEBUFFERTEXTURELAYERPROC glad_glFramebufferTextureLayer = NULL;
354 PFNGLFRONTFACEPROC glad_glFrontFace = NULL;
355 PFNGLGENBUFFERSPROC glad_glGenBuffers = NULL;
356 PFNGLGENFRAMEBUFFERSPROC glad_glGenFramebuffers = NULL;
357 PFNGLGENQUERIESPROC glad_glGenQueries = NULL;
358 PFNGLGENRENDERBUFFERSPROC glad_glGenRenderbuffers = NULL;
359 PFNGLGENTEXTURESPROC glad_glGenTextures = NULL;
360 PFNGLGENVERTEXARRAYSPROC glad_glGenVertexArrays = NULL;
361 PFNGLGENERATEMIPMAPPROC glad_glGenerateMipmap = NULL;
362 PFNGLGETACTIVEATTRIBPROC glad_glGetActiveAttrib = NULL;
363 PFNGLGETACTIVEUNIFORMPROC glad_glGetActiveUniform = NULL;
364 PFNGLGETATTACHEDSHADERSPROC glad_glGetAttachedShaders = NULL;
365 PFNGLGETATTRIBLOCATIONPROC glad_glGetAttribLocation = NULL;
366 PFNGLGETBOOLEANI_VPROC glad_glGetBooleani_v = NULL;
367 PFNGLGETBOOLEANVPROC glad_glGetBooleanv = NULL;
368 PFNGLGETBUFFERPARAMETERIVPROC glad_glGetBufferParameteriv = NULL;
369 PFNGLGETBUFFERPOINTERVPROC glad_glGetBufferPointerv = NULL;
370 PFNGLGETBUFFERSUBDATAPROC glad_glGetBufferSubData = NULL;
371 PFNGLGETCOMPRESSEDTEXIMAGEPROC glad_glGetCompressedTexImage = NULL;
372 PFNGLGETDOUBLEVPROC glad_glGetDoublev = NULL;
373 PFNGLGETERRORPROC glad_glGetError = NULL;
374 PFNGLGETFLOATVPROC glad_glGetFloatv = NULL;
375 PFNGLGETFRAGDATALOCATIONPROC glad_glGetFragDataLocation = NULL;
376 PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glad_glGetFramebufferAttachmentParameteriv = NULL;
377 PFNGLGETINTEGERI_VPROC glad_glGetIntegeri_v = NULL;
378 PFNGLGETINTEGERVPROC glad_glGetIntegerv = NULL;
379 PFNGLGETPROGRAMINFOLOGPROC glad_glGetProgramInfoLog = NULL;
380 PFNGLGETPROGRAMIVPROC glad_glGetProgramiv = NULL;
381 PFNGLGETQUERYOBJECTIVPROC glad_glGetQueryObjectiv = NULL;
382 PFNGLGETQUERYOBJECTUIVPROC glad_glGetQueryObjectuiv = NULL;
383 PFNGLGETQUERYIVPROC glad_glGetQueryiv = NULL;
384 PFNGLGETRENDERBUFFERPARAMETERIVPROC glad_glGetRenderbufferParameteriv = NULL;
385 PFNGLGETSHADERINFOLOGPROC glad_glGetShaderInfoLog = NULL;
386 PFNGLGETSHADERPRECISIONFORMATPROC glad_glGetShaderPrecisionFormat = NULL;
387 PFNGLGETSHADERSOURCEPROC glad_glGetShaderSource = NULL;
388 PFNGLGETSHADERIVPROC glad_glGetShaderiv = NULL;
389 PFNGLGETSTRINGPROC glad_glGetString = NULL;
390 PFNGLGETSTRINGIPROC glad_glGetStringi = NULL;
391 PFNGLGETTEXIMAGEPROC glad_glGetTexImage = NULL;
392 PFNGLGETTEXLEVELPARAMETERFVPROC glad_glGetTexLevelParameterfv = NULL;
393 PFNGLGETTEXLEVELPARAMETERIVPROC glad_glGetTexLevelParameteriv = NULL;
394 PFNGLGETTEXPARAMETERIIVPROC glad_glGetTexParameterIiv = NULL;
395 PFNGLGETTEXPARAMETERIUIVPROC glad_glGetTexParameterIuiv = NULL;
396 PFNGLGETTEXPARAMETERFVPROC glad_glGetTexParameterfv = NULL;
397 PFNGLGETTEXPARAMETERIVPROC glad_glGetTexParameteriv = NULL;
398 PFNGLGETTRANSFORMFEEDBACKVARYINGPROC glad_glGetTransformFeedbackVarying = NULL;
399 PFNGLGETUNIFORMLOCATIONPROC glad_glGetUniformLocation = NULL;
400 PFNGLGETUNIFORMFVPROC glad_glGetUniformfv = NULL;
401 PFNGLGETUNIFORMIVPROC glad_glGetUniformiv = NULL;
402 PFNGLGETUNIFORMUIVPROC glad_glGetUniformuiv = NULL;
403 PFNGLGETVERTEXATTRIBIIVPROC glad_glGetVertexAttribIiv = NULL;
404 PFNGLGETVERTEXATTRIBIUIVPROC glad_glGetVertexAttribIuiv = NULL;
405 PFNGLGETVERTEXATTRIBPOINTERVPROC glad_glGetVertexAttribPointerv = NULL;
406 PFNGLGETVERTEXATTRIBDVPROC glad_glGetVertexAttribdv = NULL;
407 PFNGLGETVERTEXATTRIBFVPROC glad_glGetVertexAttribfv = NULL;
408 PFNGLGETVERTEXATTRIBIVPROC glad_glGetVertexAttribiv = NULL;
409 PFNGLHINTPROC glad_glHint = NULL;
410 PFNGLISBUFFERPROC glad_glIsBuffer = NULL;
411 PFNGLISENABLEDPROC glad_glIsEnabled = NULL;
412 PFNGLISENABLEDIPROC glad_glIsEnabledi = NULL;
413 PFNGLISFRAMEBUFFERPROC glad_glIsFramebuffer = NULL;
414 PFNGLISPROGRAMPROC glad_glIsProgram = NULL;
415 PFNGLISQUERYPROC glad_glIsQuery = NULL;
416 PFNGLISRENDERBUFFERPROC glad_glIsRenderbuffer = NULL;
417 PFNGLISSHADERPROC glad_glIsShader = NULL;
418 PFNGLISTEXTUREPROC glad_glIsTexture = NULL;
419 PFNGLISVERTEXARRAYPROC glad_glIsVertexArray = NULL;
420 PFNGLLINEWIDTHPROC glad_glLineWidth = NULL;
421 PFNGLLINKPROGRAMPROC glad_glLinkProgram = NULL;
422 PFNGLLOGICOPPROC glad_glLogicOp = NULL;
423 PFNGLMAPBUFFERPROC glad_glMapBuffer = NULL;
424 PFNGLMAPBUFFERRANGEPROC glad_glMapBufferRange = NULL;
425 PFNGLMULTIDRAWARRAYSPROC glad_glMultiDrawArrays = NULL;
426 PFNGLMULTIDRAWELEMENTSPROC glad_glMultiDrawElements = NULL;
427 PFNGLPIXELSTOREFPROC glad_glPixelStoref = NULL;
428 PFNGLPIXELSTOREIPROC glad_glPixelStorei = NULL;
429 PFNGLPOINTPARAMETERFPROC glad_glPointParameterf = NULL;
430 PFNGLPOINTPARAMETERFVPROC glad_glPointParameterfv = NULL;
431 PFNGLPOINTPARAMETERIPROC glad_glPointParameteri = NULL;
432 PFNGLPOINTPARAMETERIVPROC glad_glPointParameteriv = NULL;
433 PFNGLPOINTSIZEPROC glad_glPointSize = NULL;
434 PFNGLPOLYGONMODEPROC glad_glPolygonMode = NULL;
435 PFNGLPOLYGONOFFSETPROC glad_glPolygonOffset = NULL;
436 PFNGLREADBUFFERPROC glad_glReadBuffer = NULL;
437 PFNGLREADPIXELSPROC glad_glReadPixels = NULL;
438 PFNGLRELEASESHADERCOMPILERPROC glad_glReleaseShaderCompiler = NULL;
439 PFNGLRENDERBUFFERSTORAGEPROC glad_glRenderbufferStorage = NULL;
440 PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glad_glRenderbufferStorageMultisample = NULL;
441 PFNGLSAMPLECOVERAGEPROC glad_glSampleCoverage = NULL;
442 PFNGLSCISSORPROC glad_glScissor = NULL;
443 PFNGLSHADERBINARYPROC glad_glShaderBinary = NULL;
444 PFNGLSHADERSOURCEPROC glad_glShaderSource = NULL;
445 PFNGLSTENCILFUNCPROC glad_glStencilFunc = NULL;
446 PFNGLSTENCILFUNCSEPARATEPROC glad_glStencilFuncSeparate = NULL;
447 PFNGLSTENCILMASKPROC glad_glStencilMask = NULL;
448 PFNGLSTENCILMASKSEPARATEPROC glad_glStencilMaskSeparate = NULL;
449 PFNGLSTENCILOPPROC glad_glStencilOp = NULL;
450 PFNGLSTENCILOPSEPARATEPROC glad_glStencilOpSeparate = NULL;
451 PFNGLTEXIMAGE1DPROC glad_glTexImage1D = NULL;
452 PFNGLTEXIMAGE2DPROC glad_glTexImage2D = NULL;
453 PFNGLTEXIMAGE3DPROC glad_glTexImage3D = NULL;
454 PFNGLTEXPARAMETERIIVPROC glad_glTexParameterIiv = NULL;
455 PFNGLTEXPARAMETERIUIVPROC glad_glTexParameterIuiv = NULL;
456 PFNGLTEXPARAMETERFPROC glad_glTexParameterf = NULL;
457 PFNGLTEXPARAMETERFVPROC glad_glTexParameterfv = NULL;
458 PFNGLTEXPARAMETERIPROC glad_glTexParameteri = NULL;
459 PFNGLTEXPARAMETERIVPROC glad_glTexParameteriv = NULL;
460 PFNGLTEXSUBIMAGE1DPROC glad_glTexSubImage1D = NULL;
461 PFNGLTEXSUBIMAGE2DPROC glad_glTexSubImage2D = NULL;
462 PFNGLTEXSUBIMAGE3DPROC glad_glTexSubImage3D = NULL;
463 PFNGLTRANSFORMFEEDBACKVARYINGSPROC glad_glTransformFeedbackVaryings = NULL;
464 PFNGLUNIFORM1FPROC glad_glUniform1f = NULL;
465 PFNGLUNIFORM1FVPROC glad_glUniform1fv = NULL;
466 PFNGLUNIFORM1IPROC glad_glUniform1i = NULL;
467 PFNGLUNIFORM1IVPROC glad_glUniform1iv = NULL;
468 PFNGLUNIFORM1UIPROC glad_glUniform1ui = NULL;
469 PFNGLUNIFORM1UIVPROC glad_glUniform1uiv = NULL;
470 PFNGLUNIFORM2FPROC glad_glUniform2f = NULL;
471 PFNGLUNIFORM2FVPROC glad_glUniform2fv = NULL;
472 PFNGLUNIFORM2IPROC glad_glUniform2i = NULL;
473 PFNGLUNIFORM2IVPROC glad_glUniform2iv = NULL;
474 PFNGLUNIFORM2UIPROC glad_glUniform2ui = NULL;
475 PFNGLUNIFORM2UIVPROC glad_glUniform2uiv = NULL;
476 PFNGLUNIFORM3FPROC glad_glUniform3f = NULL;
477 PFNGLUNIFORM3FVPROC glad_glUniform3fv = NULL;
478 PFNGLUNIFORM3IPROC glad_glUniform3i = NULL;
479 PFNGLUNIFORM3IVPROC glad_glUniform3iv = NULL;
480 PFNGLUNIFORM3UIPROC glad_glUniform3ui = NULL;
481 PFNGLUNIFORM3UIVPROC glad_glUniform3uiv = NULL;
482 PFNGLUNIFORM4FPROC glad_glUniform4f = NULL;
483 PFNGLUNIFORM4FVPROC glad_glUniform4fv = NULL;
484 PFNGLUNIFORM4IPROC glad_glUniform4i = NULL;
485 PFNGLUNIFORM4IVPROC glad_glUniform4iv = NULL;
486 PFNGLUNIFORM4UIPROC glad_glUniform4ui = NULL;
487 PFNGLUNIFORM4UIVPROC glad_glUniform4uiv = NULL;
488 PFNGLUNIFORMMATRIX2FVPROC glad_glUniformMatrix2fv = NULL;
489 PFNGLUNIFORMMATRIX2X3FVPROC glad_glUniformMatrix2x3fv = NULL;
490 PFNGLUNIFORMMATRIX2X4FVPROC glad_glUniformMatrix2x4fv = NULL;
491 PFNGLUNIFORMMATRIX3FVPROC glad_glUniformMatrix3fv = NULL;
492 PFNGLUNIFORMMATRIX3X2FVPROC glad_glUniformMatrix3x2fv = NULL;
493 PFNGLUNIFORMMATRIX3X4FVPROC glad_glUniformMatrix3x4fv = NULL;
494 PFNGLUNIFORMMATRIX4FVPROC glad_glUniformMatrix4fv = NULL;
495 PFNGLUNIFORMMATRIX4X2FVPROC glad_glUniformMatrix4x2fv = NULL;
496 PFNGLUNIFORMMATRIX4X3FVPROC glad_glUniformMatrix4x3fv = NULL;
497 PFNGLUNMAPBUFFERPROC glad_glUnmapBuffer = NULL;
498 PFNGLUSEPROGRAMPROC glad_glUseProgram = NULL;
499 PFNGLVALIDATEPROGRAMPROC glad_glValidateProgram = NULL;
500 PFNGLVERTEXATTRIB1DPROC glad_glVertexAttrib1d = NULL;
501 PFNGLVERTEXATTRIB1DVPROC glad_glVertexAttrib1dv = NULL;
502 PFNGLVERTEXATTRIB1FPROC glad_glVertexAttrib1f = NULL;
503 PFNGLVERTEXATTRIB1FVPROC glad_glVertexAttrib1fv = NULL;
504 PFNGLVERTEXATTRIB1SPROC glad_glVertexAttrib1s = NULL;
505 PFNGLVERTEXATTRIB1SVPROC glad_glVertexAttrib1sv = NULL;
506 PFNGLVERTEXATTRIB2DPROC glad_glVertexAttrib2d = NULL;
507 PFNGLVERTEXATTRIB2DVPROC glad_glVertexAttrib2dv = NULL;
508 PFNGLVERTEXATTRIB2FPROC glad_glVertexAttrib2f = NULL;
509 PFNGLVERTEXATTRIB2FVPROC glad_glVertexAttrib2fv = NULL;
510 PFNGLVERTEXATTRIB2SPROC glad_glVertexAttrib2s = NULL;
511 PFNGLVERTEXATTRIB2SVPROC glad_glVertexAttrib2sv = NULL;
512 PFNGLVERTEXATTRIB3DPROC glad_glVertexAttrib3d = NULL;
513 PFNGLVERTEXATTRIB3DVPROC glad_glVertexAttrib3dv = NULL;
514 PFNGLVERTEXATTRIB3FPROC glad_glVertexAttrib3f = NULL;
515 PFNGLVERTEXATTRIB3FVPROC glad_glVertexAttrib3fv = NULL;
516 PFNGLVERTEXATTRIB3SPROC glad_glVertexAttrib3s = NULL;
517 PFNGLVERTEXATTRIB3SVPROC glad_glVertexAttrib3sv = NULL;
518 PFNGLVERTEXATTRIB4NBVPROC glad_glVertexAttrib4Nbv = NULL;
519 PFNGLVERTEXATTRIB4NIVPROC glad_glVertexAttrib4Niv = NULL;
520 PFNGLVERTEXATTRIB4NSVPROC glad_glVertexAttrib4Nsv = NULL;
521 PFNGLVERTEXATTRIB4NUBPROC glad_glVertexAttrib4Nub = NULL;
522 PFNGLVERTEXATTRIB4NUBVPROC glad_glVertexAttrib4Nubv = NULL;
523 PFNGLVERTEXATTRIB4NUIVPROC glad_glVertexAttrib4Nuiv = NULL;
524 PFNGLVERTEXATTRIB4NUSVPROC glad_glVertexAttrib4Nusv = NULL;
525 PFNGLVERTEXATTRIB4BVPROC glad_glVertexAttrib4bv = NULL;
526 PFNGLVERTEXATTRIB4DPROC glad_glVertexAttrib4d = NULL;
527 PFNGLVERTEXATTRIB4DVPROC glad_glVertexAttrib4dv = NULL;
528 PFNGLVERTEXATTRIB4FPROC glad_glVertexAttrib4f = NULL;
529 PFNGLVERTEXATTRIB4FVPROC glad_glVertexAttrib4fv = NULL;
530 PFNGLVERTEXATTRIB4IVPROC glad_glVertexAttrib4iv = NULL;
531 PFNGLVERTEXATTRIB4SPROC glad_glVertexAttrib4s = NULL;
532 PFNGLVERTEXATTRIB4SVPROC glad_glVertexAttrib4sv = NULL;
533 PFNGLVERTEXATTRIB4UBVPROC glad_glVertexAttrib4ubv = NULL;
534 PFNGLVERTEXATTRIB4UIVPROC glad_glVertexAttrib4uiv = NULL;
535 PFNGLVERTEXATTRIB4USVPROC glad_glVertexAttrib4usv = NULL;
536 PFNGLVERTEXATTRIBI1IPROC glad_glVertexAttribI1i = NULL;
537 PFNGLVERTEXATTRIBI1IVPROC glad_glVertexAttribI1iv = NULL;
538 PFNGLVERTEXATTRIBI1UIPROC glad_glVertexAttribI1ui = NULL;
539 PFNGLVERTEXATTRIBI1UIVPROC glad_glVertexAttribI1uiv = NULL;
540 PFNGLVERTEXATTRIBI2IPROC glad_glVertexAttribI2i = NULL;
541 PFNGLVERTEXATTRIBI2IVPROC glad_glVertexAttribI2iv = NULL;
542 PFNGLVERTEXATTRIBI2UIPROC glad_glVertexAttribI2ui = NULL;
543 PFNGLVERTEXATTRIBI2UIVPROC glad_glVertexAttribI2uiv = NULL;
544 PFNGLVERTEXATTRIBI3IPROC glad_glVertexAttribI3i = NULL;
545 PFNGLVERTEXATTRIBI3IVPROC glad_glVertexAttribI3iv = NULL;
546 PFNGLVERTEXATTRIBI3UIPROC glad_glVertexAttribI3ui = NULL;
547 PFNGLVERTEXATTRIBI3UIVPROC glad_glVertexAttribI3uiv = NULL;
548 PFNGLVERTEXATTRIBI4BVPROC glad_glVertexAttribI4bv = NULL;
549 PFNGLVERTEXATTRIBI4IPROC glad_glVertexAttribI4i = NULL;
550 PFNGLVERTEXATTRIBI4IVPROC glad_glVertexAttribI4iv = NULL;
551 PFNGLVERTEXATTRIBI4SVPROC glad_glVertexAttribI4sv = NULL;
552 PFNGLVERTEXATTRIBI4UBVPROC glad_glVertexAttribI4ubv = NULL;
553 PFNGLVERTEXATTRIBI4UIPROC glad_glVertexAttribI4ui = NULL;
554 PFNGLVERTEXATTRIBI4UIVPROC glad_glVertexAttribI4uiv = NULL;
555 PFNGLVERTEXATTRIBI4USVPROC glad_glVertexAttribI4usv = NULL;
556 PFNGLVERTEXATTRIBIPOINTERPROC glad_glVertexAttribIPointer = NULL;
557 PFNGLVERTEXATTRIBPOINTERPROC glad_glVertexAttribPointer = NULL;
558 PFNGLVIEWPORTPROC glad_glViewport = NULL;
559 int GLAD_GL_ARB_framebuffer_object = 0;
560 int GLAD_GL_ARB_vertex_array_object = 0;
load_GL_VERSION_1_0(GLADloadproc load)561 static void load_GL_VERSION_1_0(GLADloadproc load) {
562 	if(!GLAD_GL_VERSION_1_0) return;
563 	glad_glCullFace = (PFNGLCULLFACEPROC)load("glCullFace");
564 	glad_glFrontFace = (PFNGLFRONTFACEPROC)load("glFrontFace");
565 	glad_glHint = (PFNGLHINTPROC)load("glHint");
566 	glad_glLineWidth = (PFNGLLINEWIDTHPROC)load("glLineWidth");
567 	glad_glPointSize = (PFNGLPOINTSIZEPROC)load("glPointSize");
568 	glad_glPolygonMode = (PFNGLPOLYGONMODEPROC)load("glPolygonMode");
569 	glad_glScissor = (PFNGLSCISSORPROC)load("glScissor");
570 	glad_glTexParameterf = (PFNGLTEXPARAMETERFPROC)load("glTexParameterf");
571 	glad_glTexParameterfv = (PFNGLTEXPARAMETERFVPROC)load("glTexParameterfv");
572 	glad_glTexParameteri = (PFNGLTEXPARAMETERIPROC)load("glTexParameteri");
573 	glad_glTexParameteriv = (PFNGLTEXPARAMETERIVPROC)load("glTexParameteriv");
574 	glad_glTexImage1D = (PFNGLTEXIMAGE1DPROC)load("glTexImage1D");
575 	glad_glTexImage2D = (PFNGLTEXIMAGE2DPROC)load("glTexImage2D");
576 	glad_glDrawBuffer = (PFNGLDRAWBUFFERPROC)load("glDrawBuffer");
577 	glad_glClear = (PFNGLCLEARPROC)load("glClear");
578 	glad_glClearColor = (PFNGLCLEARCOLORPROC)load("glClearColor");
579 	glad_glClearStencil = (PFNGLCLEARSTENCILPROC)load("glClearStencil");
580 	glad_glClearDepth = (PFNGLCLEARDEPTHPROC)load("glClearDepth");
581 	glad_glStencilMask = (PFNGLSTENCILMASKPROC)load("glStencilMask");
582 	glad_glColorMask = (PFNGLCOLORMASKPROC)load("glColorMask");
583 	glad_glDepthMask = (PFNGLDEPTHMASKPROC)load("glDepthMask");
584 	glad_glDisable = (PFNGLDISABLEPROC)load("glDisable");
585 	glad_glEnable = (PFNGLENABLEPROC)load("glEnable");
586 	glad_glFinish = (PFNGLFINISHPROC)load("glFinish");
587 	glad_glFlush = (PFNGLFLUSHPROC)load("glFlush");
588 	glad_glBlendFunc = (PFNGLBLENDFUNCPROC)load("glBlendFunc");
589 	glad_glLogicOp = (PFNGLLOGICOPPROC)load("glLogicOp");
590 	glad_glStencilFunc = (PFNGLSTENCILFUNCPROC)load("glStencilFunc");
591 	glad_glStencilOp = (PFNGLSTENCILOPPROC)load("glStencilOp");
592 	glad_glDepthFunc = (PFNGLDEPTHFUNCPROC)load("glDepthFunc");
593 	glad_glPixelStoref = (PFNGLPIXELSTOREFPROC)load("glPixelStoref");
594 	glad_glPixelStorei = (PFNGLPIXELSTOREIPROC)load("glPixelStorei");
595 	glad_glReadBuffer = (PFNGLREADBUFFERPROC)load("glReadBuffer");
596 	glad_glReadPixels = (PFNGLREADPIXELSPROC)load("glReadPixels");
597 	glad_glGetBooleanv = (PFNGLGETBOOLEANVPROC)load("glGetBooleanv");
598 	glad_glGetDoublev = (PFNGLGETDOUBLEVPROC)load("glGetDoublev");
599 	glad_glGetError = (PFNGLGETERRORPROC)load("glGetError");
600 	glad_glGetFloatv = (PFNGLGETFLOATVPROC)load("glGetFloatv");
601 	glad_glGetIntegerv = (PFNGLGETINTEGERVPROC)load("glGetIntegerv");
602 	glad_glGetString = (PFNGLGETSTRINGPROC)load("glGetString");
603 	glad_glGetTexImage = (PFNGLGETTEXIMAGEPROC)load("glGetTexImage");
604 	glad_glGetTexParameterfv = (PFNGLGETTEXPARAMETERFVPROC)load("glGetTexParameterfv");
605 	glad_glGetTexParameteriv = (PFNGLGETTEXPARAMETERIVPROC)load("glGetTexParameteriv");
606 	glad_glGetTexLevelParameterfv = (PFNGLGETTEXLEVELPARAMETERFVPROC)load("glGetTexLevelParameterfv");
607 	glad_glGetTexLevelParameteriv = (PFNGLGETTEXLEVELPARAMETERIVPROC)load("glGetTexLevelParameteriv");
608 	glad_glIsEnabled = (PFNGLISENABLEDPROC)load("glIsEnabled");
609 	glad_glDepthRange = (PFNGLDEPTHRANGEPROC)load("glDepthRange");
610 	glad_glViewport = (PFNGLVIEWPORTPROC)load("glViewport");
611 }
load_GL_VERSION_1_1(GLADloadproc load)612 static void load_GL_VERSION_1_1(GLADloadproc load) {
613 	if(!GLAD_GL_VERSION_1_1) return;
614 	glad_glDrawArrays = (PFNGLDRAWARRAYSPROC)load("glDrawArrays");
615 	glad_glDrawElements = (PFNGLDRAWELEMENTSPROC)load("glDrawElements");
616 	glad_glPolygonOffset = (PFNGLPOLYGONOFFSETPROC)load("glPolygonOffset");
617 	glad_glCopyTexImage1D = (PFNGLCOPYTEXIMAGE1DPROC)load("glCopyTexImage1D");
618 	glad_glCopyTexImage2D = (PFNGLCOPYTEXIMAGE2DPROC)load("glCopyTexImage2D");
619 	glad_glCopyTexSubImage1D = (PFNGLCOPYTEXSUBIMAGE1DPROC)load("glCopyTexSubImage1D");
620 	glad_glCopyTexSubImage2D = (PFNGLCOPYTEXSUBIMAGE2DPROC)load("glCopyTexSubImage2D");
621 	glad_glTexSubImage1D = (PFNGLTEXSUBIMAGE1DPROC)load("glTexSubImage1D");
622 	glad_glTexSubImage2D = (PFNGLTEXSUBIMAGE2DPROC)load("glTexSubImage2D");
623 	glad_glBindTexture = (PFNGLBINDTEXTUREPROC)load("glBindTexture");
624 	glad_glDeleteTextures = (PFNGLDELETETEXTURESPROC)load("glDeleteTextures");
625 	glad_glGenTextures = (PFNGLGENTEXTURESPROC)load("glGenTextures");
626 	glad_glIsTexture = (PFNGLISTEXTUREPROC)load("glIsTexture");
627 }
load_GL_VERSION_1_2(GLADloadproc load)628 static void load_GL_VERSION_1_2(GLADloadproc load) {
629 	if(!GLAD_GL_VERSION_1_2) return;
630 	glad_glDrawRangeElements = (PFNGLDRAWRANGEELEMENTSPROC)load("glDrawRangeElements");
631 	glad_glTexImage3D = (PFNGLTEXIMAGE3DPROC)load("glTexImage3D");
632 	glad_glTexSubImage3D = (PFNGLTEXSUBIMAGE3DPROC)load("glTexSubImage3D");
633 	glad_glCopyTexSubImage3D = (PFNGLCOPYTEXSUBIMAGE3DPROC)load("glCopyTexSubImage3D");
634 }
load_GL_VERSION_1_3(GLADloadproc load)635 static void load_GL_VERSION_1_3(GLADloadproc load) {
636 	if(!GLAD_GL_VERSION_1_3) return;
637 	glad_glActiveTexture = (PFNGLACTIVETEXTUREPROC)load("glActiveTexture");
638 	glad_glSampleCoverage = (PFNGLSAMPLECOVERAGEPROC)load("glSampleCoverage");
639 	glad_glCompressedTexImage3D = (PFNGLCOMPRESSEDTEXIMAGE3DPROC)load("glCompressedTexImage3D");
640 	glad_glCompressedTexImage2D = (PFNGLCOMPRESSEDTEXIMAGE2DPROC)load("glCompressedTexImage2D");
641 	glad_glCompressedTexImage1D = (PFNGLCOMPRESSEDTEXIMAGE1DPROC)load("glCompressedTexImage1D");
642 	glad_glCompressedTexSubImage3D = (PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC)load("glCompressedTexSubImage3D");
643 	glad_glCompressedTexSubImage2D = (PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC)load("glCompressedTexSubImage2D");
644 	glad_glCompressedTexSubImage1D = (PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC)load("glCompressedTexSubImage1D");
645 	glad_glGetCompressedTexImage = (PFNGLGETCOMPRESSEDTEXIMAGEPROC)load("glGetCompressedTexImage");
646 }
load_GL_VERSION_1_4(GLADloadproc load)647 static void load_GL_VERSION_1_4(GLADloadproc load) {
648 	if(!GLAD_GL_VERSION_1_4) return;
649 	glad_glBlendFuncSeparate = (PFNGLBLENDFUNCSEPARATEPROC)load("glBlendFuncSeparate");
650 	glad_glMultiDrawArrays = (PFNGLMULTIDRAWARRAYSPROC)load("glMultiDrawArrays");
651 	glad_glMultiDrawElements = (PFNGLMULTIDRAWELEMENTSPROC)load("glMultiDrawElements");
652 	glad_glPointParameterf = (PFNGLPOINTPARAMETERFPROC)load("glPointParameterf");
653 	glad_glPointParameterfv = (PFNGLPOINTPARAMETERFVPROC)load("glPointParameterfv");
654 	glad_glPointParameteri = (PFNGLPOINTPARAMETERIPROC)load("glPointParameteri");
655 	glad_glPointParameteriv = (PFNGLPOINTPARAMETERIVPROC)load("glPointParameteriv");
656 	glad_glBlendColor = (PFNGLBLENDCOLORPROC)load("glBlendColor");
657 	glad_glBlendEquation = (PFNGLBLENDEQUATIONPROC)load("glBlendEquation");
658 }
load_GL_VERSION_1_5(GLADloadproc load)659 static void load_GL_VERSION_1_5(GLADloadproc load) {
660 	if(!GLAD_GL_VERSION_1_5) return;
661 	glad_glGenQueries = (PFNGLGENQUERIESPROC)load("glGenQueries");
662 	glad_glDeleteQueries = (PFNGLDELETEQUERIESPROC)load("glDeleteQueries");
663 	glad_glIsQuery = (PFNGLISQUERYPROC)load("glIsQuery");
664 	glad_glBeginQuery = (PFNGLBEGINQUERYPROC)load("glBeginQuery");
665 	glad_glEndQuery = (PFNGLENDQUERYPROC)load("glEndQuery");
666 	glad_glGetQueryiv = (PFNGLGETQUERYIVPROC)load("glGetQueryiv");
667 	glad_glGetQueryObjectiv = (PFNGLGETQUERYOBJECTIVPROC)load("glGetQueryObjectiv");
668 	glad_glGetQueryObjectuiv = (PFNGLGETQUERYOBJECTUIVPROC)load("glGetQueryObjectuiv");
669 	glad_glBindBuffer = (PFNGLBINDBUFFERPROC)load("glBindBuffer");
670 	glad_glDeleteBuffers = (PFNGLDELETEBUFFERSPROC)load("glDeleteBuffers");
671 	glad_glGenBuffers = (PFNGLGENBUFFERSPROC)load("glGenBuffers");
672 	glad_glIsBuffer = (PFNGLISBUFFERPROC)load("glIsBuffer");
673 	glad_glBufferData = (PFNGLBUFFERDATAPROC)load("glBufferData");
674 	glad_glBufferSubData = (PFNGLBUFFERSUBDATAPROC)load("glBufferSubData");
675 	glad_glGetBufferSubData = (PFNGLGETBUFFERSUBDATAPROC)load("glGetBufferSubData");
676 	glad_glMapBuffer = (PFNGLMAPBUFFERPROC)load("glMapBuffer");
677 	glad_glUnmapBuffer = (PFNGLUNMAPBUFFERPROC)load("glUnmapBuffer");
678 	glad_glGetBufferParameteriv = (PFNGLGETBUFFERPARAMETERIVPROC)load("glGetBufferParameteriv");
679 	glad_glGetBufferPointerv = (PFNGLGETBUFFERPOINTERVPROC)load("glGetBufferPointerv");
680 }
load_GL_VERSION_2_0(GLADloadproc load)681 static void load_GL_VERSION_2_0(GLADloadproc load) {
682 	if(!GLAD_GL_VERSION_2_0) return;
683 	glad_glBlendEquationSeparate = (PFNGLBLENDEQUATIONSEPARATEPROC)load("glBlendEquationSeparate");
684 	glad_glDrawBuffers = (PFNGLDRAWBUFFERSPROC)load("glDrawBuffers");
685 	glad_glStencilOpSeparate = (PFNGLSTENCILOPSEPARATEPROC)load("glStencilOpSeparate");
686 	glad_glStencilFuncSeparate = (PFNGLSTENCILFUNCSEPARATEPROC)load("glStencilFuncSeparate");
687 	glad_glStencilMaskSeparate = (PFNGLSTENCILMASKSEPARATEPROC)load("glStencilMaskSeparate");
688 	glad_glAttachShader = (PFNGLATTACHSHADERPROC)load("glAttachShader");
689 	glad_glBindAttribLocation = (PFNGLBINDATTRIBLOCATIONPROC)load("glBindAttribLocation");
690 	glad_glCompileShader = (PFNGLCOMPILESHADERPROC)load("glCompileShader");
691 	glad_glCreateProgram = (PFNGLCREATEPROGRAMPROC)load("glCreateProgram");
692 	glad_glCreateShader = (PFNGLCREATESHADERPROC)load("glCreateShader");
693 	glad_glDeleteProgram = (PFNGLDELETEPROGRAMPROC)load("glDeleteProgram");
694 	glad_glDeleteShader = (PFNGLDELETESHADERPROC)load("glDeleteShader");
695 	glad_glDetachShader = (PFNGLDETACHSHADERPROC)load("glDetachShader");
696 	glad_glDisableVertexAttribArray = (PFNGLDISABLEVERTEXATTRIBARRAYPROC)load("glDisableVertexAttribArray");
697 	glad_glEnableVertexAttribArray = (PFNGLENABLEVERTEXATTRIBARRAYPROC)load("glEnableVertexAttribArray");
698 	glad_glGetActiveAttrib = (PFNGLGETACTIVEATTRIBPROC)load("glGetActiveAttrib");
699 	glad_glGetActiveUniform = (PFNGLGETACTIVEUNIFORMPROC)load("glGetActiveUniform");
700 	glad_glGetAttachedShaders = (PFNGLGETATTACHEDSHADERSPROC)load("glGetAttachedShaders");
701 	glad_glGetAttribLocation = (PFNGLGETATTRIBLOCATIONPROC)load("glGetAttribLocation");
702 	glad_glGetProgramiv = (PFNGLGETPROGRAMIVPROC)load("glGetProgramiv");
703 	glad_glGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC)load("glGetProgramInfoLog");
704 	glad_glGetShaderiv = (PFNGLGETSHADERIVPROC)load("glGetShaderiv");
705 	glad_glGetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC)load("glGetShaderInfoLog");
706 	glad_glGetShaderSource = (PFNGLGETSHADERSOURCEPROC)load("glGetShaderSource");
707 	glad_glGetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC)load("glGetUniformLocation");
708 	glad_glGetUniformfv = (PFNGLGETUNIFORMFVPROC)load("glGetUniformfv");
709 	glad_glGetUniformiv = (PFNGLGETUNIFORMIVPROC)load("glGetUniformiv");
710 	glad_glGetVertexAttribdv = (PFNGLGETVERTEXATTRIBDVPROC)load("glGetVertexAttribdv");
711 	glad_glGetVertexAttribfv = (PFNGLGETVERTEXATTRIBFVPROC)load("glGetVertexAttribfv");
712 	glad_glGetVertexAttribiv = (PFNGLGETVERTEXATTRIBIVPROC)load("glGetVertexAttribiv");
713 	glad_glGetVertexAttribPointerv = (PFNGLGETVERTEXATTRIBPOINTERVPROC)load("glGetVertexAttribPointerv");
714 	glad_glIsProgram = (PFNGLISPROGRAMPROC)load("glIsProgram");
715 	glad_glIsShader = (PFNGLISSHADERPROC)load("glIsShader");
716 	glad_glLinkProgram = (PFNGLLINKPROGRAMPROC)load("glLinkProgram");
717 	glad_glShaderSource = (PFNGLSHADERSOURCEPROC)load("glShaderSource");
718 	glad_glUseProgram = (PFNGLUSEPROGRAMPROC)load("glUseProgram");
719 	glad_glUniform1f = (PFNGLUNIFORM1FPROC)load("glUniform1f");
720 	glad_glUniform2f = (PFNGLUNIFORM2FPROC)load("glUniform2f");
721 	glad_glUniform3f = (PFNGLUNIFORM3FPROC)load("glUniform3f");
722 	glad_glUniform4f = (PFNGLUNIFORM4FPROC)load("glUniform4f");
723 	glad_glUniform1i = (PFNGLUNIFORM1IPROC)load("glUniform1i");
724 	glad_glUniform2i = (PFNGLUNIFORM2IPROC)load("glUniform2i");
725 	glad_glUniform3i = (PFNGLUNIFORM3IPROC)load("glUniform3i");
726 	glad_glUniform4i = (PFNGLUNIFORM4IPROC)load("glUniform4i");
727 	glad_glUniform1fv = (PFNGLUNIFORM1FVPROC)load("glUniform1fv");
728 	glad_glUniform2fv = (PFNGLUNIFORM2FVPROC)load("glUniform2fv");
729 	glad_glUniform3fv = (PFNGLUNIFORM3FVPROC)load("glUniform3fv");
730 	glad_glUniform4fv = (PFNGLUNIFORM4FVPROC)load("glUniform4fv");
731 	glad_glUniform1iv = (PFNGLUNIFORM1IVPROC)load("glUniform1iv");
732 	glad_glUniform2iv = (PFNGLUNIFORM2IVPROC)load("glUniform2iv");
733 	glad_glUniform3iv = (PFNGLUNIFORM3IVPROC)load("glUniform3iv");
734 	glad_glUniform4iv = (PFNGLUNIFORM4IVPROC)load("glUniform4iv");
735 	glad_glUniformMatrix2fv = (PFNGLUNIFORMMATRIX2FVPROC)load("glUniformMatrix2fv");
736 	glad_glUniformMatrix3fv = (PFNGLUNIFORMMATRIX3FVPROC)load("glUniformMatrix3fv");
737 	glad_glUniformMatrix4fv = (PFNGLUNIFORMMATRIX4FVPROC)load("glUniformMatrix4fv");
738 	glad_glValidateProgram = (PFNGLVALIDATEPROGRAMPROC)load("glValidateProgram");
739 	glad_glVertexAttrib1d = (PFNGLVERTEXATTRIB1DPROC)load("glVertexAttrib1d");
740 	glad_glVertexAttrib1dv = (PFNGLVERTEXATTRIB1DVPROC)load("glVertexAttrib1dv");
741 	glad_glVertexAttrib1f = (PFNGLVERTEXATTRIB1FPROC)load("glVertexAttrib1f");
742 	glad_glVertexAttrib1fv = (PFNGLVERTEXATTRIB1FVPROC)load("glVertexAttrib1fv");
743 	glad_glVertexAttrib1s = (PFNGLVERTEXATTRIB1SPROC)load("glVertexAttrib1s");
744 	glad_glVertexAttrib1sv = (PFNGLVERTEXATTRIB1SVPROC)load("glVertexAttrib1sv");
745 	glad_glVertexAttrib2d = (PFNGLVERTEXATTRIB2DPROC)load("glVertexAttrib2d");
746 	glad_glVertexAttrib2dv = (PFNGLVERTEXATTRIB2DVPROC)load("glVertexAttrib2dv");
747 	glad_glVertexAttrib2f = (PFNGLVERTEXATTRIB2FPROC)load("glVertexAttrib2f");
748 	glad_glVertexAttrib2fv = (PFNGLVERTEXATTRIB2FVPROC)load("glVertexAttrib2fv");
749 	glad_glVertexAttrib2s = (PFNGLVERTEXATTRIB2SPROC)load("glVertexAttrib2s");
750 	glad_glVertexAttrib2sv = (PFNGLVERTEXATTRIB2SVPROC)load("glVertexAttrib2sv");
751 	glad_glVertexAttrib3d = (PFNGLVERTEXATTRIB3DPROC)load("glVertexAttrib3d");
752 	glad_glVertexAttrib3dv = (PFNGLVERTEXATTRIB3DVPROC)load("glVertexAttrib3dv");
753 	glad_glVertexAttrib3f = (PFNGLVERTEXATTRIB3FPROC)load("glVertexAttrib3f");
754 	glad_glVertexAttrib3fv = (PFNGLVERTEXATTRIB3FVPROC)load("glVertexAttrib3fv");
755 	glad_glVertexAttrib3s = (PFNGLVERTEXATTRIB3SPROC)load("glVertexAttrib3s");
756 	glad_glVertexAttrib3sv = (PFNGLVERTEXATTRIB3SVPROC)load("glVertexAttrib3sv");
757 	glad_glVertexAttrib4Nbv = (PFNGLVERTEXATTRIB4NBVPROC)load("glVertexAttrib4Nbv");
758 	glad_glVertexAttrib4Niv = (PFNGLVERTEXATTRIB4NIVPROC)load("glVertexAttrib4Niv");
759 	glad_glVertexAttrib4Nsv = (PFNGLVERTEXATTRIB4NSVPROC)load("glVertexAttrib4Nsv");
760 	glad_glVertexAttrib4Nub = (PFNGLVERTEXATTRIB4NUBPROC)load("glVertexAttrib4Nub");
761 	glad_glVertexAttrib4Nubv = (PFNGLVERTEXATTRIB4NUBVPROC)load("glVertexAttrib4Nubv");
762 	glad_glVertexAttrib4Nuiv = (PFNGLVERTEXATTRIB4NUIVPROC)load("glVertexAttrib4Nuiv");
763 	glad_glVertexAttrib4Nusv = (PFNGLVERTEXATTRIB4NUSVPROC)load("glVertexAttrib4Nusv");
764 	glad_glVertexAttrib4bv = (PFNGLVERTEXATTRIB4BVPROC)load("glVertexAttrib4bv");
765 	glad_glVertexAttrib4d = (PFNGLVERTEXATTRIB4DPROC)load("glVertexAttrib4d");
766 	glad_glVertexAttrib4dv = (PFNGLVERTEXATTRIB4DVPROC)load("glVertexAttrib4dv");
767 	glad_glVertexAttrib4f = (PFNGLVERTEXATTRIB4FPROC)load("glVertexAttrib4f");
768 	glad_glVertexAttrib4fv = (PFNGLVERTEXATTRIB4FVPROC)load("glVertexAttrib4fv");
769 	glad_glVertexAttrib4iv = (PFNGLVERTEXATTRIB4IVPROC)load("glVertexAttrib4iv");
770 	glad_glVertexAttrib4s = (PFNGLVERTEXATTRIB4SPROC)load("glVertexAttrib4s");
771 	glad_glVertexAttrib4sv = (PFNGLVERTEXATTRIB4SVPROC)load("glVertexAttrib4sv");
772 	glad_glVertexAttrib4ubv = (PFNGLVERTEXATTRIB4UBVPROC)load("glVertexAttrib4ubv");
773 	glad_glVertexAttrib4uiv = (PFNGLVERTEXATTRIB4UIVPROC)load("glVertexAttrib4uiv");
774 	glad_glVertexAttrib4usv = (PFNGLVERTEXATTRIB4USVPROC)load("glVertexAttrib4usv");
775 	glad_glVertexAttribPointer = (PFNGLVERTEXATTRIBPOINTERPROC)load("glVertexAttribPointer");
776 }
load_GL_VERSION_2_1(GLADloadproc load)777 static void load_GL_VERSION_2_1(GLADloadproc load) {
778 	if(!GLAD_GL_VERSION_2_1) return;
779 	glad_glUniformMatrix2x3fv = (PFNGLUNIFORMMATRIX2X3FVPROC)load("glUniformMatrix2x3fv");
780 	glad_glUniformMatrix3x2fv = (PFNGLUNIFORMMATRIX3X2FVPROC)load("glUniformMatrix3x2fv");
781 	glad_glUniformMatrix2x4fv = (PFNGLUNIFORMMATRIX2X4FVPROC)load("glUniformMatrix2x4fv");
782 	glad_glUniformMatrix4x2fv = (PFNGLUNIFORMMATRIX4X2FVPROC)load("glUniformMatrix4x2fv");
783 	glad_glUniformMatrix3x4fv = (PFNGLUNIFORMMATRIX3X4FVPROC)load("glUniformMatrix3x4fv");
784 	glad_glUniformMatrix4x3fv = (PFNGLUNIFORMMATRIX4X3FVPROC)load("glUniformMatrix4x3fv");
785 }
load_GL_VERSION_3_0(GLADloadproc load)786 static void load_GL_VERSION_3_0(GLADloadproc load) {
787 	if(!GLAD_GL_VERSION_3_0) return;
788 	glad_glColorMaski = (PFNGLCOLORMASKIPROC)load("glColorMaski");
789 	glad_glGetBooleani_v = (PFNGLGETBOOLEANI_VPROC)load("glGetBooleani_v");
790 	glad_glGetIntegeri_v = (PFNGLGETINTEGERI_VPROC)load("glGetIntegeri_v");
791 	glad_glEnablei = (PFNGLENABLEIPROC)load("glEnablei");
792 	glad_glDisablei = (PFNGLDISABLEIPROC)load("glDisablei");
793 	glad_glIsEnabledi = (PFNGLISENABLEDIPROC)load("glIsEnabledi");
794 	glad_glBeginTransformFeedback = (PFNGLBEGINTRANSFORMFEEDBACKPROC)load("glBeginTransformFeedback");
795 	glad_glEndTransformFeedback = (PFNGLENDTRANSFORMFEEDBACKPROC)load("glEndTransformFeedback");
796 	glad_glBindBufferRange = (PFNGLBINDBUFFERRANGEPROC)load("glBindBufferRange");
797 	glad_glBindBufferBase = (PFNGLBINDBUFFERBASEPROC)load("glBindBufferBase");
798 	glad_glTransformFeedbackVaryings = (PFNGLTRANSFORMFEEDBACKVARYINGSPROC)load("glTransformFeedbackVaryings");
799 	glad_glGetTransformFeedbackVarying = (PFNGLGETTRANSFORMFEEDBACKVARYINGPROC)load("glGetTransformFeedbackVarying");
800 	glad_glClampColor = (PFNGLCLAMPCOLORPROC)load("glClampColor");
801 	glad_glBeginConditionalRender = (PFNGLBEGINCONDITIONALRENDERPROC)load("glBeginConditionalRender");
802 	glad_glEndConditionalRender = (PFNGLENDCONDITIONALRENDERPROC)load("glEndConditionalRender");
803 	glad_glVertexAttribIPointer = (PFNGLVERTEXATTRIBIPOINTERPROC)load("glVertexAttribIPointer");
804 	glad_glGetVertexAttribIiv = (PFNGLGETVERTEXATTRIBIIVPROC)load("glGetVertexAttribIiv");
805 	glad_glGetVertexAttribIuiv = (PFNGLGETVERTEXATTRIBIUIVPROC)load("glGetVertexAttribIuiv");
806 	glad_glVertexAttribI1i = (PFNGLVERTEXATTRIBI1IPROC)load("glVertexAttribI1i");
807 	glad_glVertexAttribI2i = (PFNGLVERTEXATTRIBI2IPROC)load("glVertexAttribI2i");
808 	glad_glVertexAttribI3i = (PFNGLVERTEXATTRIBI3IPROC)load("glVertexAttribI3i");
809 	glad_glVertexAttribI4i = (PFNGLVERTEXATTRIBI4IPROC)load("glVertexAttribI4i");
810 	glad_glVertexAttribI1ui = (PFNGLVERTEXATTRIBI1UIPROC)load("glVertexAttribI1ui");
811 	glad_glVertexAttribI2ui = (PFNGLVERTEXATTRIBI2UIPROC)load("glVertexAttribI2ui");
812 	glad_glVertexAttribI3ui = (PFNGLVERTEXATTRIBI3UIPROC)load("glVertexAttribI3ui");
813 	glad_glVertexAttribI4ui = (PFNGLVERTEXATTRIBI4UIPROC)load("glVertexAttribI4ui");
814 	glad_glVertexAttribI1iv = (PFNGLVERTEXATTRIBI1IVPROC)load("glVertexAttribI1iv");
815 	glad_glVertexAttribI2iv = (PFNGLVERTEXATTRIBI2IVPROC)load("glVertexAttribI2iv");
816 	glad_glVertexAttribI3iv = (PFNGLVERTEXATTRIBI3IVPROC)load("glVertexAttribI3iv");
817 	glad_glVertexAttribI4iv = (PFNGLVERTEXATTRIBI4IVPROC)load("glVertexAttribI4iv");
818 	glad_glVertexAttribI1uiv = (PFNGLVERTEXATTRIBI1UIVPROC)load("glVertexAttribI1uiv");
819 	glad_glVertexAttribI2uiv = (PFNGLVERTEXATTRIBI2UIVPROC)load("glVertexAttribI2uiv");
820 	glad_glVertexAttribI3uiv = (PFNGLVERTEXATTRIBI3UIVPROC)load("glVertexAttribI3uiv");
821 	glad_glVertexAttribI4uiv = (PFNGLVERTEXATTRIBI4UIVPROC)load("glVertexAttribI4uiv");
822 	glad_glVertexAttribI4bv = (PFNGLVERTEXATTRIBI4BVPROC)load("glVertexAttribI4bv");
823 	glad_glVertexAttribI4sv = (PFNGLVERTEXATTRIBI4SVPROC)load("glVertexAttribI4sv");
824 	glad_glVertexAttribI4ubv = (PFNGLVERTEXATTRIBI4UBVPROC)load("glVertexAttribI4ubv");
825 	glad_glVertexAttribI4usv = (PFNGLVERTEXATTRIBI4USVPROC)load("glVertexAttribI4usv");
826 	glad_glGetUniformuiv = (PFNGLGETUNIFORMUIVPROC)load("glGetUniformuiv");
827 	glad_glBindFragDataLocation = (PFNGLBINDFRAGDATALOCATIONPROC)load("glBindFragDataLocation");
828 	glad_glGetFragDataLocation = (PFNGLGETFRAGDATALOCATIONPROC)load("glGetFragDataLocation");
829 	glad_glUniform1ui = (PFNGLUNIFORM1UIPROC)load("glUniform1ui");
830 	glad_glUniform2ui = (PFNGLUNIFORM2UIPROC)load("glUniform2ui");
831 	glad_glUniform3ui = (PFNGLUNIFORM3UIPROC)load("glUniform3ui");
832 	glad_glUniform4ui = (PFNGLUNIFORM4UIPROC)load("glUniform4ui");
833 	glad_glUniform1uiv = (PFNGLUNIFORM1UIVPROC)load("glUniform1uiv");
834 	glad_glUniform2uiv = (PFNGLUNIFORM2UIVPROC)load("glUniform2uiv");
835 	glad_glUniform3uiv = (PFNGLUNIFORM3UIVPROC)load("glUniform3uiv");
836 	glad_glUniform4uiv = (PFNGLUNIFORM4UIVPROC)load("glUniform4uiv");
837 	glad_glTexParameterIiv = (PFNGLTEXPARAMETERIIVPROC)load("glTexParameterIiv");
838 	glad_glTexParameterIuiv = (PFNGLTEXPARAMETERIUIVPROC)load("glTexParameterIuiv");
839 	glad_glGetTexParameterIiv = (PFNGLGETTEXPARAMETERIIVPROC)load("glGetTexParameterIiv");
840 	glad_glGetTexParameterIuiv = (PFNGLGETTEXPARAMETERIUIVPROC)load("glGetTexParameterIuiv");
841 	glad_glClearBufferiv = (PFNGLCLEARBUFFERIVPROC)load("glClearBufferiv");
842 	glad_glClearBufferuiv = (PFNGLCLEARBUFFERUIVPROC)load("glClearBufferuiv");
843 	glad_glClearBufferfv = (PFNGLCLEARBUFFERFVPROC)load("glClearBufferfv");
844 	glad_glClearBufferfi = (PFNGLCLEARBUFFERFIPROC)load("glClearBufferfi");
845 	glad_glGetStringi = (PFNGLGETSTRINGIPROC)load("glGetStringi");
846 	glad_glIsRenderbuffer = (PFNGLISRENDERBUFFERPROC)load("glIsRenderbuffer");
847 	glad_glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC)load("glBindRenderbuffer");
848 	glad_glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC)load("glDeleteRenderbuffers");
849 	glad_glGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC)load("glGenRenderbuffers");
850 	glad_glRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC)load("glRenderbufferStorage");
851 	glad_glGetRenderbufferParameteriv = (PFNGLGETRENDERBUFFERPARAMETERIVPROC)load("glGetRenderbufferParameteriv");
852 	glad_glIsFramebuffer = (PFNGLISFRAMEBUFFERPROC)load("glIsFramebuffer");
853 	glad_glBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC)load("glBindFramebuffer");
854 	glad_glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC)load("glDeleteFramebuffers");
855 	glad_glGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)load("glGenFramebuffers");
856 	glad_glCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC)load("glCheckFramebufferStatus");
857 	glad_glFramebufferTexture1D = (PFNGLFRAMEBUFFERTEXTURE1DPROC)load("glFramebufferTexture1D");
858 	glad_glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC)load("glFramebufferTexture2D");
859 	glad_glFramebufferTexture3D = (PFNGLFRAMEBUFFERTEXTURE3DPROC)load("glFramebufferTexture3D");
860 	glad_glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC)load("glFramebufferRenderbuffer");
861 	glad_glGetFramebufferAttachmentParameteriv = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC)load("glGetFramebufferAttachmentParameteriv");
862 	glad_glGenerateMipmap = (PFNGLGENERATEMIPMAPPROC)load("glGenerateMipmap");
863 	glad_glBlitFramebuffer = (PFNGLBLITFRAMEBUFFERPROC)load("glBlitFramebuffer");
864 	glad_glRenderbufferStorageMultisample = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC)load("glRenderbufferStorageMultisample");
865 	glad_glFramebufferTextureLayer = (PFNGLFRAMEBUFFERTEXTURELAYERPROC)load("glFramebufferTextureLayer");
866 	glad_glMapBufferRange = (PFNGLMAPBUFFERRANGEPROC)load("glMapBufferRange");
867 	glad_glFlushMappedBufferRange = (PFNGLFLUSHMAPPEDBUFFERRANGEPROC)load("glFlushMappedBufferRange");
868 	glad_glBindVertexArray = (PFNGLBINDVERTEXARRAYPROC)load("glBindVertexArray");
869 	glad_glDeleteVertexArrays = (PFNGLDELETEVERTEXARRAYSPROC)load("glDeleteVertexArrays");
870 	glad_glGenVertexArrays = (PFNGLGENVERTEXARRAYSPROC)load("glGenVertexArrays");
871 	glad_glIsVertexArray = (PFNGLISVERTEXARRAYPROC)load("glIsVertexArray");
872 }
load_GL_ARB_framebuffer_object(GLADloadproc load)873 static void load_GL_ARB_framebuffer_object(GLADloadproc load) {
874 	if(!GLAD_GL_ARB_framebuffer_object) return;
875 	glad_glIsRenderbuffer = (PFNGLISRENDERBUFFERPROC)load("glIsRenderbuffer");
876 	glad_glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC)load("glBindRenderbuffer");
877 	glad_glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC)load("glDeleteRenderbuffers");
878 	glad_glGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC)load("glGenRenderbuffers");
879 	glad_glRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC)load("glRenderbufferStorage");
880 	glad_glGetRenderbufferParameteriv = (PFNGLGETRENDERBUFFERPARAMETERIVPROC)load("glGetRenderbufferParameteriv");
881 	glad_glIsFramebuffer = (PFNGLISFRAMEBUFFERPROC)load("glIsFramebuffer");
882 	glad_glBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC)load("glBindFramebuffer");
883 	glad_glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC)load("glDeleteFramebuffers");
884 	glad_glGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)load("glGenFramebuffers");
885 	glad_glCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC)load("glCheckFramebufferStatus");
886 	glad_glFramebufferTexture1D = (PFNGLFRAMEBUFFERTEXTURE1DPROC)load("glFramebufferTexture1D");
887 	glad_glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC)load("glFramebufferTexture2D");
888 	glad_glFramebufferTexture3D = (PFNGLFRAMEBUFFERTEXTURE3DPROC)load("glFramebufferTexture3D");
889 	glad_glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC)load("glFramebufferRenderbuffer");
890 	glad_glGetFramebufferAttachmentParameteriv = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC)load("glGetFramebufferAttachmentParameteriv");
891 	glad_glGenerateMipmap = (PFNGLGENERATEMIPMAPPROC)load("glGenerateMipmap");
892 	glad_glBlitFramebuffer = (PFNGLBLITFRAMEBUFFERPROC)load("glBlitFramebuffer");
893 	glad_glRenderbufferStorageMultisample = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC)load("glRenderbufferStorageMultisample");
894 	glad_glFramebufferTextureLayer = (PFNGLFRAMEBUFFERTEXTURELAYERPROC)load("glFramebufferTextureLayer");
895 }
load_GL_ARB_vertex_array_object(GLADloadproc load)896 static void load_GL_ARB_vertex_array_object(GLADloadproc load) {
897 	if(!GLAD_GL_ARB_vertex_array_object) return;
898 	glad_glBindVertexArray = (PFNGLBINDVERTEXARRAYPROC)load("glBindVertexArray");
899 	glad_glDeleteVertexArrays = (PFNGLDELETEVERTEXARRAYSPROC)load("glDeleteVertexArrays");
900 	glad_glGenVertexArrays = (PFNGLGENVERTEXARRAYSPROC)load("glGenVertexArrays");
901 	glad_glIsVertexArray = (PFNGLISVERTEXARRAYPROC)load("glIsVertexArray");
902 }
find_extensionsGL(void)903 static int find_extensionsGL(void) {
904 	if (!get_exts()) return 0;
905 	GLAD_GL_ARB_framebuffer_object = has_ext("GL_ARB_framebuffer_object");
906 	GLAD_GL_ARB_vertex_array_object = has_ext("GL_ARB_vertex_array_object");
907 	free_exts();
908 	return 1;
909 }
910 
find_coreGL(void)911 static void find_coreGL(void) {
912 
913     /* Thank you @elmindreda
914      * https://github.com/elmindreda/greg/blob/master/templates/greg.c.in#L176
915      * https://github.com/glfw/glfw/blob/master/src/context.c#L36
916      */
917     int i, major, minor;
918 
919     const char* version;
920     const char* prefixes[] = {
921         "OpenGL ES-CM ",
922         "OpenGL ES-CL ",
923         "OpenGL ES ",
924         NULL
925     };
926 
927     version = (const char*) glGetString(GL_VERSION);
928     if (!version) return;
929 
930     for (i = 0;  prefixes[i];  i++) {
931         const size_t length = strlen(prefixes[i]);
932         if (strncmp(version, prefixes[i], length) == 0) {
933             version += length;
934             break;
935         }
936     }
937 
938 /* PR #18 */
939 #ifdef _MSC_VER
940     sscanf_s(version, "%d.%d", &major, &minor);
941 #else
942     sscanf(version, "%d.%d", &major, &minor);
943 #endif
944 
945     GLVersion.major = major; GLVersion.minor = minor;
946     max_loaded_major = major; max_loaded_minor = minor;
947 	GLAD_GL_VERSION_1_0 = (major == 1 && minor >= 0) || major > 1;
948 	GLAD_GL_VERSION_1_1 = (major == 1 && minor >= 1) || major > 1;
949 	GLAD_GL_VERSION_1_2 = (major == 1 && minor >= 2) || major > 1;
950 	GLAD_GL_VERSION_1_3 = (major == 1 && minor >= 3) || major > 1;
951 	GLAD_GL_VERSION_1_4 = (major == 1 && minor >= 4) || major > 1;
952 	GLAD_GL_VERSION_1_5 = (major == 1 && minor >= 5) || major > 1;
953 	GLAD_GL_VERSION_2_0 = (major == 2 && minor >= 0) || major > 2;
954 	GLAD_GL_VERSION_2_1 = (major == 2 && minor >= 1) || major > 2;
955 	GLAD_GL_VERSION_3_0 = (major == 3 && minor >= 0) || major > 3;
956 	if (GLVersion.major > 3 || (GLVersion.major >= 3 && GLVersion.minor >= 0)) {
957 		max_loaded_major = 3;
958 		max_loaded_minor = 0;
959 	}
960 }
961 
gladLoadGLLoader(GLADloadproc load)962 int gladLoadGLLoader(GLADloadproc load) {
963 	GLVersion.major = 0; GLVersion.minor = 0;
964 	glGetString = (PFNGLGETSTRINGPROC)load("glGetString");
965 	if(glGetString == NULL) return 0;
966 	if(glGetString(GL_VERSION) == NULL) return 0;
967 	find_coreGL();
968 	load_GL_VERSION_1_0(load);
969 	load_GL_VERSION_1_1(load);
970 	load_GL_VERSION_1_2(load);
971 	load_GL_VERSION_1_3(load);
972 	load_GL_VERSION_1_4(load);
973 	load_GL_VERSION_1_5(load);
974 	load_GL_VERSION_2_0(load);
975 	load_GL_VERSION_2_1(load);
976 	load_GL_VERSION_3_0(load);
977 
978 	if (!find_extensionsGL()) return 0;
979 	load_GL_ARB_framebuffer_object(load);
980 	load_GL_ARB_vertex_array_object(load);
981 	return GLVersion.major != 0 || GLVersion.minor != 0;
982 }
983 
load_GL_ES_VERSION_2_0(GLADloadproc load)984 static void load_GL_ES_VERSION_2_0(GLADloadproc load) {
985 	if(!GLAD_GL_ES_VERSION_2_0) return;
986 	glad_glActiveTexture = (PFNGLACTIVETEXTUREPROC)load("glActiveTexture");
987 	glad_glAttachShader = (PFNGLATTACHSHADERPROC)load("glAttachShader");
988 	glad_glBindAttribLocation = (PFNGLBINDATTRIBLOCATIONPROC)load("glBindAttribLocation");
989 	glad_glBindBuffer = (PFNGLBINDBUFFERPROC)load("glBindBuffer");
990 	glad_glBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC)load("glBindFramebuffer");
991 	glad_glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC)load("glBindRenderbuffer");
992 	glad_glBindTexture = (PFNGLBINDTEXTUREPROC)load("glBindTexture");
993 	glad_glBlendColor = (PFNGLBLENDCOLORPROC)load("glBlendColor");
994 	glad_glBlendEquation = (PFNGLBLENDEQUATIONPROC)load("glBlendEquation");
995 	glad_glBlendEquationSeparate = (PFNGLBLENDEQUATIONSEPARATEPROC)load("glBlendEquationSeparate");
996 	glad_glBlendFunc = (PFNGLBLENDFUNCPROC)load("glBlendFunc");
997 	glad_glBlendFuncSeparate = (PFNGLBLENDFUNCSEPARATEPROC)load("glBlendFuncSeparate");
998 	glad_glBufferData = (PFNGLBUFFERDATAPROC)load("glBufferData");
999 	glad_glBufferSubData = (PFNGLBUFFERSUBDATAPROC)load("glBufferSubData");
1000 	glad_glCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC)load("glCheckFramebufferStatus");
1001 	glad_glClear = (PFNGLCLEARPROC)load("glClear");
1002 	glad_glClearColor = (PFNGLCLEARCOLORPROC)load("glClearColor");
1003 	glad_glClearDepthf = (PFNGLCLEARDEPTHFPROC)load("glClearDepthf");
1004 	glad_glClearStencil = (PFNGLCLEARSTENCILPROC)load("glClearStencil");
1005 	glad_glColorMask = (PFNGLCOLORMASKPROC)load("glColorMask");
1006 	glad_glCompileShader = (PFNGLCOMPILESHADERPROC)load("glCompileShader");
1007 	glad_glCompressedTexImage2D = (PFNGLCOMPRESSEDTEXIMAGE2DPROC)load("glCompressedTexImage2D");
1008 	glad_glCompressedTexSubImage2D = (PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC)load("glCompressedTexSubImage2D");
1009 	glad_glCopyTexImage2D = (PFNGLCOPYTEXIMAGE2DPROC)load("glCopyTexImage2D");
1010 	glad_glCopyTexSubImage2D = (PFNGLCOPYTEXSUBIMAGE2DPROC)load("glCopyTexSubImage2D");
1011 	glad_glCreateProgram = (PFNGLCREATEPROGRAMPROC)load("glCreateProgram");
1012 	glad_glCreateShader = (PFNGLCREATESHADERPROC)load("glCreateShader");
1013 	glad_glCullFace = (PFNGLCULLFACEPROC)load("glCullFace");
1014 	glad_glDeleteBuffers = (PFNGLDELETEBUFFERSPROC)load("glDeleteBuffers");
1015 	glad_glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC)load("glDeleteFramebuffers");
1016 	glad_glDeleteProgram = (PFNGLDELETEPROGRAMPROC)load("glDeleteProgram");
1017 	glad_glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC)load("glDeleteRenderbuffers");
1018 	glad_glDeleteShader = (PFNGLDELETESHADERPROC)load("glDeleteShader");
1019 	glad_glDeleteTextures = (PFNGLDELETETEXTURESPROC)load("glDeleteTextures");
1020 	glad_glDepthFunc = (PFNGLDEPTHFUNCPROC)load("glDepthFunc");
1021 	glad_glDepthMask = (PFNGLDEPTHMASKPROC)load("glDepthMask");
1022 	glad_glDepthRangef = (PFNGLDEPTHRANGEFPROC)load("glDepthRangef");
1023 	glad_glDetachShader = (PFNGLDETACHSHADERPROC)load("glDetachShader");
1024 	glad_glDisable = (PFNGLDISABLEPROC)load("glDisable");
1025 	glad_glDisableVertexAttribArray = (PFNGLDISABLEVERTEXATTRIBARRAYPROC)load("glDisableVertexAttribArray");
1026 	glad_glDrawArrays = (PFNGLDRAWARRAYSPROC)load("glDrawArrays");
1027 	glad_glDrawElements = (PFNGLDRAWELEMENTSPROC)load("glDrawElements");
1028 	glad_glEnable = (PFNGLENABLEPROC)load("glEnable");
1029 	glad_glEnableVertexAttribArray = (PFNGLENABLEVERTEXATTRIBARRAYPROC)load("glEnableVertexAttribArray");
1030 	glad_glFinish = (PFNGLFINISHPROC)load("glFinish");
1031 	glad_glFlush = (PFNGLFLUSHPROC)load("glFlush");
1032 	glad_glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC)load("glFramebufferRenderbuffer");
1033 	glad_glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC)load("glFramebufferTexture2D");
1034 	glad_glFrontFace = (PFNGLFRONTFACEPROC)load("glFrontFace");
1035 	glad_glGenBuffers = (PFNGLGENBUFFERSPROC)load("glGenBuffers");
1036 	glad_glGenerateMipmap = (PFNGLGENERATEMIPMAPPROC)load("glGenerateMipmap");
1037 	glad_glGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)load("glGenFramebuffers");
1038 	glad_glGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC)load("glGenRenderbuffers");
1039 	glad_glGenTextures = (PFNGLGENTEXTURESPROC)load("glGenTextures");
1040 	glad_glGetActiveAttrib = (PFNGLGETACTIVEATTRIBPROC)load("glGetActiveAttrib");
1041 	glad_glGetActiveUniform = (PFNGLGETACTIVEUNIFORMPROC)load("glGetActiveUniform");
1042 	glad_glGetAttachedShaders = (PFNGLGETATTACHEDSHADERSPROC)load("glGetAttachedShaders");
1043 	glad_glGetAttribLocation = (PFNGLGETATTRIBLOCATIONPROC)load("glGetAttribLocation");
1044 	glad_glGetBooleanv = (PFNGLGETBOOLEANVPROC)load("glGetBooleanv");
1045 	glad_glGetBufferParameteriv = (PFNGLGETBUFFERPARAMETERIVPROC)load("glGetBufferParameteriv");
1046 	glad_glGetError = (PFNGLGETERRORPROC)load("glGetError");
1047 	glad_glGetFloatv = (PFNGLGETFLOATVPROC)load("glGetFloatv");
1048 	glad_glGetFramebufferAttachmentParameteriv = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC)load("glGetFramebufferAttachmentParameteriv");
1049 	glad_glGetIntegerv = (PFNGLGETINTEGERVPROC)load("glGetIntegerv");
1050 	glad_glGetProgramiv = (PFNGLGETPROGRAMIVPROC)load("glGetProgramiv");
1051 	glad_glGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC)load("glGetProgramInfoLog");
1052 	glad_glGetRenderbufferParameteriv = (PFNGLGETRENDERBUFFERPARAMETERIVPROC)load("glGetRenderbufferParameteriv");
1053 	glad_glGetShaderiv = (PFNGLGETSHADERIVPROC)load("glGetShaderiv");
1054 	glad_glGetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC)load("glGetShaderInfoLog");
1055 	glad_glGetShaderPrecisionFormat = (PFNGLGETSHADERPRECISIONFORMATPROC)load("glGetShaderPrecisionFormat");
1056 	glad_glGetShaderSource = (PFNGLGETSHADERSOURCEPROC)load("glGetShaderSource");
1057 	glad_glGetString = (PFNGLGETSTRINGPROC)load("glGetString");
1058 	glad_glGetTexParameterfv = (PFNGLGETTEXPARAMETERFVPROC)load("glGetTexParameterfv");
1059 	glad_glGetTexParameteriv = (PFNGLGETTEXPARAMETERIVPROC)load("glGetTexParameteriv");
1060 	glad_glGetUniformfv = (PFNGLGETUNIFORMFVPROC)load("glGetUniformfv");
1061 	glad_glGetUniformiv = (PFNGLGETUNIFORMIVPROC)load("glGetUniformiv");
1062 	glad_glGetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC)load("glGetUniformLocation");
1063 	glad_glGetVertexAttribfv = (PFNGLGETVERTEXATTRIBFVPROC)load("glGetVertexAttribfv");
1064 	glad_glGetVertexAttribiv = (PFNGLGETVERTEXATTRIBIVPROC)load("glGetVertexAttribiv");
1065 	glad_glGetVertexAttribPointerv = (PFNGLGETVERTEXATTRIBPOINTERVPROC)load("glGetVertexAttribPointerv");
1066 	glad_glHint = (PFNGLHINTPROC)load("glHint");
1067 	glad_glIsBuffer = (PFNGLISBUFFERPROC)load("glIsBuffer");
1068 	glad_glIsEnabled = (PFNGLISENABLEDPROC)load("glIsEnabled");
1069 	glad_glIsFramebuffer = (PFNGLISFRAMEBUFFERPROC)load("glIsFramebuffer");
1070 	glad_glIsProgram = (PFNGLISPROGRAMPROC)load("glIsProgram");
1071 	glad_glIsRenderbuffer = (PFNGLISRENDERBUFFERPROC)load("glIsRenderbuffer");
1072 	glad_glIsShader = (PFNGLISSHADERPROC)load("glIsShader");
1073 	glad_glIsTexture = (PFNGLISTEXTUREPROC)load("glIsTexture");
1074 	glad_glLineWidth = (PFNGLLINEWIDTHPROC)load("glLineWidth");
1075 	glad_glLinkProgram = (PFNGLLINKPROGRAMPROC)load("glLinkProgram");
1076 	glad_glPixelStorei = (PFNGLPIXELSTOREIPROC)load("glPixelStorei");
1077 	glad_glPolygonOffset = (PFNGLPOLYGONOFFSETPROC)load("glPolygonOffset");
1078 	glad_glReadPixels = (PFNGLREADPIXELSPROC)load("glReadPixels");
1079 	glad_glReleaseShaderCompiler = (PFNGLRELEASESHADERCOMPILERPROC)load("glReleaseShaderCompiler");
1080 	glad_glRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC)load("glRenderbufferStorage");
1081 	glad_glSampleCoverage = (PFNGLSAMPLECOVERAGEPROC)load("glSampleCoverage");
1082 	glad_glScissor = (PFNGLSCISSORPROC)load("glScissor");
1083 	glad_glShaderBinary = (PFNGLSHADERBINARYPROC)load("glShaderBinary");
1084 	glad_glShaderSource = (PFNGLSHADERSOURCEPROC)load("glShaderSource");
1085 	glad_glStencilFunc = (PFNGLSTENCILFUNCPROC)load("glStencilFunc");
1086 	glad_glStencilFuncSeparate = (PFNGLSTENCILFUNCSEPARATEPROC)load("glStencilFuncSeparate");
1087 	glad_glStencilMask = (PFNGLSTENCILMASKPROC)load("glStencilMask");
1088 	glad_glStencilMaskSeparate = (PFNGLSTENCILMASKSEPARATEPROC)load("glStencilMaskSeparate");
1089 	glad_glStencilOp = (PFNGLSTENCILOPPROC)load("glStencilOp");
1090 	glad_glStencilOpSeparate = (PFNGLSTENCILOPSEPARATEPROC)load("glStencilOpSeparate");
1091 	glad_glTexImage2D = (PFNGLTEXIMAGE2DPROC)load("glTexImage2D");
1092 	glad_glTexParameterf = (PFNGLTEXPARAMETERFPROC)load("glTexParameterf");
1093 	glad_glTexParameterfv = (PFNGLTEXPARAMETERFVPROC)load("glTexParameterfv");
1094 	glad_glTexParameteri = (PFNGLTEXPARAMETERIPROC)load("glTexParameteri");
1095 	glad_glTexParameteriv = (PFNGLTEXPARAMETERIVPROC)load("glTexParameteriv");
1096 	glad_glTexSubImage2D = (PFNGLTEXSUBIMAGE2DPROC)load("glTexSubImage2D");
1097 	glad_glUniform1f = (PFNGLUNIFORM1FPROC)load("glUniform1f");
1098 	glad_glUniform1fv = (PFNGLUNIFORM1FVPROC)load("glUniform1fv");
1099 	glad_glUniform1i = (PFNGLUNIFORM1IPROC)load("glUniform1i");
1100 	glad_glUniform1iv = (PFNGLUNIFORM1IVPROC)load("glUniform1iv");
1101 	glad_glUniform2f = (PFNGLUNIFORM2FPROC)load("glUniform2f");
1102 	glad_glUniform2fv = (PFNGLUNIFORM2FVPROC)load("glUniform2fv");
1103 	glad_glUniform2i = (PFNGLUNIFORM2IPROC)load("glUniform2i");
1104 	glad_glUniform2iv = (PFNGLUNIFORM2IVPROC)load("glUniform2iv");
1105 	glad_glUniform3f = (PFNGLUNIFORM3FPROC)load("glUniform3f");
1106 	glad_glUniform3fv = (PFNGLUNIFORM3FVPROC)load("glUniform3fv");
1107 	glad_glUniform3i = (PFNGLUNIFORM3IPROC)load("glUniform3i");
1108 	glad_glUniform3iv = (PFNGLUNIFORM3IVPROC)load("glUniform3iv");
1109 	glad_glUniform4f = (PFNGLUNIFORM4FPROC)load("glUniform4f");
1110 	glad_glUniform4fv = (PFNGLUNIFORM4FVPROC)load("glUniform4fv");
1111 	glad_glUniform4i = (PFNGLUNIFORM4IPROC)load("glUniform4i");
1112 	glad_glUniform4iv = (PFNGLUNIFORM4IVPROC)load("glUniform4iv");
1113 	glad_glUniformMatrix2fv = (PFNGLUNIFORMMATRIX2FVPROC)load("glUniformMatrix2fv");
1114 	glad_glUniformMatrix3fv = (PFNGLUNIFORMMATRIX3FVPROC)load("glUniformMatrix3fv");
1115 	glad_glUniformMatrix4fv = (PFNGLUNIFORMMATRIX4FVPROC)load("glUniformMatrix4fv");
1116 	glad_glUseProgram = (PFNGLUSEPROGRAMPROC)load("glUseProgram");
1117 	glad_glValidateProgram = (PFNGLVALIDATEPROGRAMPROC)load("glValidateProgram");
1118 	glad_glVertexAttrib1f = (PFNGLVERTEXATTRIB1FPROC)load("glVertexAttrib1f");
1119 	glad_glVertexAttrib1fv = (PFNGLVERTEXATTRIB1FVPROC)load("glVertexAttrib1fv");
1120 	glad_glVertexAttrib2f = (PFNGLVERTEXATTRIB2FPROC)load("glVertexAttrib2f");
1121 	glad_glVertexAttrib2fv = (PFNGLVERTEXATTRIB2FVPROC)load("glVertexAttrib2fv");
1122 	glad_glVertexAttrib3f = (PFNGLVERTEXATTRIB3FPROC)load("glVertexAttrib3f");
1123 	glad_glVertexAttrib3fv = (PFNGLVERTEXATTRIB3FVPROC)load("glVertexAttrib3fv");
1124 	glad_glVertexAttrib4f = (PFNGLVERTEXATTRIB4FPROC)load("glVertexAttrib4f");
1125 	glad_glVertexAttrib4fv = (PFNGLVERTEXATTRIB4FVPROC)load("glVertexAttrib4fv");
1126 	glad_glVertexAttribPointer = (PFNGLVERTEXATTRIBPOINTERPROC)load("glVertexAttribPointer");
1127 	glad_glViewport = (PFNGLVIEWPORTPROC)load("glViewport");
1128 }
find_extensionsGLES2(void)1129 static int find_extensionsGLES2(void) {
1130 	if (!get_exts()) return 0;
1131 	(void)&has_ext;
1132 	free_exts();
1133 	return 1;
1134 }
1135 
find_coreGLES2(void)1136 static void find_coreGLES2(void) {
1137 
1138     /* Thank you @elmindreda
1139      * https://github.com/elmindreda/greg/blob/master/templates/greg.c.in#L176
1140      * https://github.com/glfw/glfw/blob/master/src/context.c#L36
1141      */
1142     int i, major, minor;
1143 
1144     const char* version;
1145     const char* prefixes[] = {
1146         "OpenGL ES-CM ",
1147         "OpenGL ES-CL ",
1148         "OpenGL ES ",
1149         NULL
1150     };
1151 
1152     version = (const char*) glGetString(GL_VERSION);
1153     if (!version) return;
1154 
1155     for (i = 0;  prefixes[i];  i++) {
1156         const size_t length = strlen(prefixes[i]);
1157         if (strncmp(version, prefixes[i], length) == 0) {
1158             version += length;
1159             break;
1160         }
1161     }
1162 
1163 /* PR #18 */
1164 #ifdef _MSC_VER
1165     sscanf_s(version, "%d.%d", &major, &minor);
1166 #else
1167     sscanf(version, "%d.%d", &major, &minor);
1168 #endif
1169 
1170     GLVersion.major = major; GLVersion.minor = minor;
1171     max_loaded_major = major; max_loaded_minor = minor;
1172 	GLAD_GL_ES_VERSION_2_0 = (major == 2 && minor >= 0) || major > 2;
1173 	if (GLVersion.major > 2 || (GLVersion.major >= 2 && GLVersion.minor >= 0)) {
1174 		max_loaded_major = 2;
1175 		max_loaded_minor = 0;
1176 	}
1177 }
1178 
gladLoadGLES2Loader(GLADloadproc load)1179 int gladLoadGLES2Loader(GLADloadproc load) {
1180 	GLVersion.major = 0; GLVersion.minor = 0;
1181 	glGetString = (PFNGLGETSTRINGPROC)load("glGetString");
1182 	if(glGetString == NULL) return 0;
1183 	if(glGetString(GL_VERSION) == NULL) return 0;
1184 	find_coreGLES2();
1185 	load_GL_ES_VERSION_2_0(load);
1186 
1187 	if (!find_extensionsGLES2()) return 0;
1188 	return GLVersion.major != 0 || GLVersion.minor != 0;
1189 }
1190 
1191