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0023000: Improve the way the gradient and textured background is managed in 3d viewer
[occt.git] / src / OpenGl / OpenGl_Context.cxx
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b311480e 1// Created on: 2012-01-26
2// Created by: Kirill GAVRILOV
3// Copyright (c) 2012-2012 OPEN CASCADE SAS
4//
5// The content of this file is subject to the Open CASCADE Technology Public
6// License Version 6.5 (the "License"). You may not use the content of this file
7// except in compliance with the License. Please obtain a copy of the License
8// at http://www.opencascade.org and read it completely before using this file.
9//
10// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
11// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
12//
13// The Original Code and all software distributed under the License is
14// distributed on an "AS IS" basis, without warranty of any kind, and the
15// Initial Developer hereby disclaims all such warranties, including without
16// limitation, any warranties of merchantability, fitness for a particular
17// purpose or non-infringement. Please see the License for the specific terms
18// and conditions governing the rights and limitations under the License.
19
2166f0fa 20
5f8b738e 21#if (defined(_WIN32) || defined(__WIN32__))
22 #include <windows.h>
23#endif
24
2166f0fa
SK		 25#include <OpenGl_Context.hxx>
26
5f8b738e 27#include <OpenGl_ArbVBO.hxx>
28#include <OpenGl_ExtFBO.hxx>
29#include <OpenGl_GlCore20.hxx>
30
2bd4c032 31#include <Standard_ProgramError.hxx>
32
5f8b738e 33#if (defined(_WIN32) || defined(__WIN32__))
34 //
35#elif defined(__APPLE__) && !defined(MACOSX_USE_GLX)
36 #include <dlfcn.h>
37#else
38 #include <GL/glx.h> // glXGetProcAddress()
39#endif
40
2166f0fa
SK		 41IMPLEMENT_STANDARD_HANDLE (OpenGl_Context, Standard_Transient)
42IMPLEMENT_STANDARD_RTTIEXT(OpenGl_Context, Standard_Transient)
43
5f8b738e 44//! Make record shorter to retrieve function pointer using variable with same name
45#define FindProcShort(theStruct, theFunc) FindProc(#theFunc, theStruct->theFunc)
2166f0fa
SK		 46
47// =======================================================================
48// function : OpenGl_Context
49// purpose :
50// =======================================================================
51OpenGl_Context::OpenGl_Context()
5f8b738e 52: core12 (NULL),
53 core13 (NULL),
54 core14 (NULL),
55 core15 (NULL),
56 core20 (NULL),
57 arbVBO (NULL),
58 extFBO (NULL),
59 myGlLibHandle (NULL),
60 myGlCore20 (NULL),
61 myGlVerMajor (0),
62 myGlVerMinor (0),
63 myIsInitialized (Standard_False)
2166f0fa 64{
5f8b738e 65#if defined(MAC_OS_X_VERSION_10_3) && !defined(MACOSX_USE_GLX)
66 // Vendors can not extend functionality on this system
67 // and developers are limited to OpenGL support provided by Mac OS X SDK.
68 // We retrieve function pointers from system library
69 // to generalize extensions support on all platforms.
70 // In this way we also reach binary compatibility benefit between OS releases
71 // if some newest functionality is optionally used.
72 // Notice that GL version / extension availability checks are required
73 // because function pointers may be available but not functionality itself
74 // (depends on renderer).
75 myGlLibHandle = dlopen ("/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL", RTLD_LAZY);
76#endif
2166f0fa
SK		 77}
78
79// =======================================================================
80// function : ~OpenGl_Context
81// purpose :
82// =======================================================================
83OpenGl_Context::~OpenGl_Context()
84{
5f8b738e 85 delete myGlCore20;
86 delete arbVBO;
87 delete extFBO;
88}
89
2bd4c032 90// =======================================================================
91// function : MakeCurrent
92// purpose :
93// =======================================================================
94Standard_Boolean OpenGl_Context::MakeCurrent()
95{
96#if (defined(_WIN32) || defined(__WIN32__))
97 if (myWindowDC == NULL || myGContext == NULL ||
98 !wglMakeCurrent ((HDC )myWindowDC, (HGLRC )myGContext))
99 {
100 //GLenum anErrCode = glGetError();
101 //const GLubyte* anErrorString = gluErrorString (anErrCode);
102 //std::cerr << "wglMakeCurrent() failed: " << anErrCode << " " << anErrorString << "\n";
103 return Standard_False;
104 }
105#else
106 if (myDisplay == NULL || myWindow == 0 || myGContext == 0 ||
107 !glXMakeCurrent ((Display* )myDisplay, (GLXDrawable )myWindow, (GLXContext )myGContext))
108 {
109 // if there is no current context it might be impossible to use glGetError() correctly
110 //std::cerr << "glXMakeCurrent() failed!\n";
111 return Standard_False;
112 }
113#endif
114 return Standard_True;
115}
116
5f8b738e 117// =======================================================================
118// function : findProc
119// purpose :
120// =======================================================================
121void* OpenGl_Context::findProc (const char* theFuncName)
122{
123#if (defined(_WIN32) || defined(__WIN32__))
124 return wglGetProcAddress (theFuncName);
125#elif defined(__APPLE__) && !defined(MACOSX_USE_GLX)
126 return (myGlLibHandle != NULL) ? dlsym (myGlLibHandle, theFuncName) : NULL;
127#else
128 return (void* )glXGetProcAddress ((const GLubyte* )theFuncName);
129#endif
2166f0fa
SK		 130}
131
132// =======================================================================
133// function : CheckExtension
134// purpose :
135// =======================================================================
2bd4c032 136Standard_Boolean OpenGl_Context::CheckExtension (const char* theExtName) const
2166f0fa 137{
5f8b738e 138 if (theExtName == NULL)
139 {
140 std::cerr << "CheckExtension called with NULL string!\n";
141 return Standard_False;
142 }
143 int anExtNameLen = strlen (theExtName);
144
145 // available since OpenGL 3.0
146 // and the ONLY way to check extensions with OpenGL 3.1+ core profile
2bd4c032 147 /**if (IsGlGreaterEqual (3, 0))
5f8b738e 148 {
149 GLint anExtNb = 0;
150 glGetIntegerv (GL_NUM_EXTENSIONS, &anExtNb);
151 for (GLint anIter = 0; anIter < anExtNb; ++anIter)
152 {
153 const char* anExtension = (const char* )core30->glGetStringi (GL_EXTENSIONS, (GLuint )anIter);
154 if (anExtension[anExtNameLen] == '\0' &&
155 strncmp (anExtension, theExtName, anExtNameLen) == 0)
156 {
157 return Standard_True;
158 }
159 }
160 return Standard_False;
161 }*/
162
163 // use old way with huge string for all extensions
164 const char* anExtString = (const char* )glGetString (GL_EXTENSIONS);
165 if (anExtString == NULL)
166 {
167 std::cerr << "glGetString (GL_EXTENSIONS) returns NULL! No GL context?\n";
2166f0fa
SK		 168 return Standard_False;
169 }
170
171 // Search for theExtName in the extensions string.
172 // Use of strstr() is not sufficient because extension names can be prefixes of other extension names.
5f8b738e 173 char* aPtrIter = (char* )anExtString;
174 const char* aPtrEnd = aPtrIter + strlen (anExtString);
2166f0fa
SK		 175 while (aPtrIter < aPtrEnd)
176 {
177 int n = strcspn (aPtrIter, " ");
5f8b738e 178 if ((n == anExtNameLen) && (strncmp (aPtrIter, theExtName, anExtNameLen) == 0))
179 {
2166f0fa 180 return Standard_True;
5f8b738e 181 }
2166f0fa
SK		 182 aPtrIter += (n + 1);
183 }
184 return Standard_False;
185}
186
187// =======================================================================
188// function : Init
189// purpose :
190// =======================================================================
191void OpenGl_Context::Init()
192{
2bd4c032 193 if (myIsInitialized)
5f8b738e 194 {
2bd4c032 195 return;
5f8b738e 196 }
2bd4c032 197
198#if (defined(_WIN32) || defined(__WIN32__))
199 myWindowDC = (Aspect_Handle )wglGetCurrentDC();
200 myGContext = (Aspect_RenderingContext )wglGetCurrentContext();
201#else
202 myDisplay = (Aspect_Display )glXGetCurrentDisplay();
203 myGContext = (Aspect_RenderingContext )glXGetCurrentContext();
204 myWindow = (Aspect_Drawable )glXGetCurrentDrawable();
205#endif
206
207 init();
208 myIsInitialized = Standard_True;
209}
210
211// =======================================================================
212// function : Init
213// purpose :
214// =======================================================================
215#if (defined(_WIN32) || defined(__WIN32__))
216void OpenGl_Context::Init (const Aspect_Handle theWindow,
217 const Aspect_Handle theWindowDC,
218 const Aspect_RenderingContext theGContext)
219#else
220void OpenGl_Context::Init (const Aspect_Drawable theWindow,
221 const Aspect_Display theDisplay,
222 const Aspect_RenderingContext theGContext)
223#endif
224{
225 Standard_ProgramError_Raise_if (myIsInitialized, "OpenGl_Context::Init() should be called only once!");
226
227 myWindow = theWindow;
228 myGContext = theGContext;
229#if (defined(_WIN32) || defined(__WIN32__))
230 myWindowDC = theWindowDC;
231#else
232 myDisplay = theDisplay;
233#endif
234
235 init();
236 myIsInitialized = Standard_True;
5f8b738e 237}
238
239// =======================================================================
240// function : ResetErrors
241// purpose :
242// =======================================================================
243void OpenGl_Context::ResetErrors()
244{
245 while (glGetError() != GL_NO_ERROR)
246 {
247 //
248 }
249}
250
251// =======================================================================
252// function : readGlVersion
253// purpose :
254// =======================================================================
255void OpenGl_Context::readGlVersion()
256{
257 // reset values
258 myGlVerMajor = 0;
259 myGlVerMinor = 0;
260
261 // available since OpenGL 3.0
262 GLint aMajor, aMinor;
263 glGetIntegerv (GL_MAJOR_VERSION, &aMajor);
264 glGetIntegerv (GL_MINOR_VERSION, &aMinor);
265 if (glGetError() == GL_NO_ERROR)
266 {
267 myGlVerMajor = aMajor;
268 myGlVerMinor = aMinor;
269 return;
270 }
271 ResetErrors();
272
273 // Read version string.
274 // Notice that only first two numbers splitted by point '2.1 XXXXX' are significant.
275 // Following trash (after space) is vendor-specific.
276 // New drivers also returns micro version of GL like '3.3.0' which has no meaning
277 // and should be considered as vendor-specific too.
278 const char* aVerStr = (const char* )glGetString (GL_VERSION);
279 if (aVerStr == NULL || *aVerStr == '\0')
280 {
281 // invalid GL context
282 return;
283 }
284
285 // parse string for major number
286 char aMajorStr[32];
287 char aMinorStr[32];
288 size_t aMajIter = 0;
289 while (aVerStr[aMajIter] >= '0' && aVerStr[aMajIter] <= '9')
290 {
291 ++aMajIter;
292 }
293 if (aMajIter == 0 || aMajIter >= sizeof(aMajorStr))
294 {
295 return;
296 }
297 memcpy (aMajorStr, aVerStr, aMajIter);
298 aMajorStr[aMajIter] = '\0';
299
300 // parse string for minor number
301 size_t aMinIter = aMajIter + 1;
302 while (aVerStr[aMinIter] >= '0' && aVerStr[aMinIter] <= '9')
303 {
304 ++aMinIter;
305 }
306 size_t aMinLen = aMinIter - aMajIter - 1;
307 if (aMinLen == 0 || aMinLen >= sizeof(aMinorStr))
308 {
309 return;
310 }
311 memcpy (aMinorStr, aVerStr, aMinLen);
312 aMinorStr[aMinLen] = '\0';
313
314 // read numbers
315 myGlVerMajor = atoi (aMajorStr);
316 myGlVerMinor = atoi (aMinorStr);
317
318 if (myGlVerMajor <= 0)
319 {
320 myGlVerMajor = 0;
321 myGlVerMinor = 0;
322 }
323}
324
325// =======================================================================
326// function : init
327// purpose :
328// =======================================================================
329void OpenGl_Context::init()
330{
331 // read version
332 readGlVersion();
333
334 // initialize VBO extension (ARB)
335 if (CheckExtension ("GL_ARB_vertex_buffer_object"))
2166f0fa
SK		 336 {
337 arbVBO = new OpenGl_ArbVBO();
5f8b738e 338 memset (arbVBO, 0, sizeof(OpenGl_ArbVBO)); // nullify whole structure
339 if (!FindProcShort (arbVBO, glGenBuffersARB)
340 || !FindProcShort (arbVBO, glBindBufferARB)
341 || !FindProcShort (arbVBO, glBufferDataARB)
342 || !FindProcShort (arbVBO, glDeleteBuffersARB))
2166f0fa
SK		 343 {
344 delete arbVBO;
345 arbVBO = NULL;
346 }
347 }
348
5f8b738e 349 // initialize FBO extension (EXT)
350 if (CheckExtension ("GL_EXT_framebuffer_object"))
2166f0fa
SK		 351 {
352 extFBO = new OpenGl_ExtFBO();
5f8b738e 353 memset (extFBO, 0, sizeof(OpenGl_ExtFBO)); // nullify whole structure
354 if (!FindProcShort (extFBO, glGenFramebuffersEXT)
355 || !FindProcShort (extFBO, glDeleteFramebuffersEXT)
356 || !FindProcShort (extFBO, glBindFramebufferEXT)
357 || !FindProcShort (extFBO, glFramebufferTexture2DEXT)
358 || !FindProcShort (extFBO, glCheckFramebufferStatusEXT)
359 || !FindProcShort (extFBO, glGenRenderbuffersEXT)
360 || !FindProcShort (extFBO, glDeleteRenderbuffersEXT)
361 || !FindProcShort (extFBO, glBindRenderbufferEXT)
362 || !FindProcShort (extFBO, glRenderbufferStorageEXT)
363 || !FindProcShort (extFBO, glFramebufferRenderbufferEXT))
2166f0fa
SK		 364 {
365 delete extFBO;
366 extFBO = NULL;
367 }
368 }
5f8b738e 369
370 myGlCore20 = new OpenGl_GlCore20();
371 memset (myGlCore20, 0, sizeof(OpenGl_GlCore20)); // nullify whole structure
372
373 // initialize OpenGL 1.2 core functionality
2bd4c032 374 if (IsGlGreaterEqual (1, 2))
5f8b738e 375 {
376 if (!FindProcShort (myGlCore20, glBlendColor)
377 || !FindProcShort (myGlCore20, glBlendEquation)
378 || !FindProcShort (myGlCore20, glDrawRangeElements)
379 || !FindProcShort (myGlCore20, glTexImage3D)
380 || !FindProcShort (myGlCore20, glTexSubImage3D)
381 || !FindProcShort (myGlCore20, glCopyTexSubImage3D))
382 {
383 myGlVerMajor = 1;
384 myGlVerMinor = 1;
385 }
386 }
387
388 // initialize OpenGL 1.3 core functionality
2bd4c032 389 if (IsGlGreaterEqual (1, 3))
5f8b738e 390 {
391 if (!FindProcShort (myGlCore20, glActiveTexture)
392 || !FindProcShort (myGlCore20, glSampleCoverage)
393 || !FindProcShort (myGlCore20, glCompressedTexImage3D)
394 || !FindProcShort (myGlCore20, glCompressedTexImage2D)
395 || !FindProcShort (myGlCore20, glCompressedTexImage1D)
396 || !FindProcShort (myGlCore20, glCompressedTexSubImage3D)
397 || !FindProcShort (myGlCore20, glCompressedTexSubImage2D)
398 || !FindProcShort (myGlCore20, glCompressedTexSubImage1D)
399 || !FindProcShort (myGlCore20, glGetCompressedTexImage)
400 // deprecated
401 || !FindProcShort (myGlCore20, glClientActiveTexture)
402 || !FindProcShort (myGlCore20, glMultiTexCoord1d)
403 || !FindProcShort (myGlCore20, glMultiTexCoord1dv)
404 || !FindProcShort (myGlCore20, glMultiTexCoord1f)
405 || !FindProcShort (myGlCore20, glMultiTexCoord1fv)
406 || !FindProcShort (myGlCore20, glMultiTexCoord1i)
407 || !FindProcShort (myGlCore20, glMultiTexCoord1iv)
408 || !FindProcShort (myGlCore20, glMultiTexCoord1s)
409 || !FindProcShort (myGlCore20, glMultiTexCoord1sv)
410 || !FindProcShort (myGlCore20, glMultiTexCoord2d)
411 || !FindProcShort (myGlCore20, glMultiTexCoord2dv)
412 || !FindProcShort (myGlCore20, glMultiTexCoord2f)
413 || !FindProcShort (myGlCore20, glMultiTexCoord2fv)
414 || !FindProcShort (myGlCore20, glMultiTexCoord2i)
415 || !FindProcShort (myGlCore20, glMultiTexCoord2iv)
416 || !FindProcShort (myGlCore20, glMultiTexCoord2s)
417 || !FindProcShort (myGlCore20, glMultiTexCoord2sv)
418 || !FindProcShort (myGlCore20, glMultiTexCoord3d)
419 || !FindProcShort (myGlCore20, glMultiTexCoord3dv)
420 || !FindProcShort (myGlCore20, glMultiTexCoord3f)
421 || !FindProcShort (myGlCore20, glMultiTexCoord3fv)
422 || !FindProcShort (myGlCore20, glMultiTexCoord3i)
423 || !FindProcShort (myGlCore20, glMultiTexCoord3iv)
424 || !FindProcShort (myGlCore20, glMultiTexCoord3s)
425 || !FindProcShort (myGlCore20, glMultiTexCoord3sv)
426 || !FindProcShort (myGlCore20, glMultiTexCoord4d)
427 || !FindProcShort (myGlCore20, glMultiTexCoord4dv)
428 || !FindProcShort (myGlCore20, glMultiTexCoord4f)
429 || !FindProcShort (myGlCore20, glMultiTexCoord4fv)
430 || !FindProcShort (myGlCore20, glMultiTexCoord4i)
431 || !FindProcShort (myGlCore20, glMultiTexCoord4iv)
432 || !FindProcShort (myGlCore20, glMultiTexCoord4s)
433 || !FindProcShort (myGlCore20, glMultiTexCoord4sv)
434 || !FindProcShort (myGlCore20, glLoadTransposeMatrixf)
435 || !FindProcShort (myGlCore20, glLoadTransposeMatrixd)
436 || !FindProcShort (myGlCore20, glMultTransposeMatrixf)
437 || !FindProcShort (myGlCore20, glMultTransposeMatrixd))
438 {
439 myGlVerMajor = 1;
440 myGlVerMinor = 2;
441 core12 = myGlCore20;
442 }
443 }
444
445 // initialize OpenGL 1.4 core functionality
2bd4c032 446 if (IsGlGreaterEqual (1, 4))
5f8b738e 447 {
448 if (!FindProcShort (myGlCore20, glBlendFuncSeparate)
449 || !FindProcShort (myGlCore20, glMultiDrawArrays)
450 || !FindProcShort (myGlCore20, glMultiDrawElements)
451 || !FindProcShort (myGlCore20, glPointParameterf)
452 || !FindProcShort (myGlCore20, glPointParameterfv)
453 || !FindProcShort (myGlCore20, glPointParameteri)
454 || !FindProcShort (myGlCore20, glPointParameteriv))
455 {
456 myGlVerMajor = 1;
457 myGlVerMinor = 3;
458 core12 = myGlCore20;
459 core13 = myGlCore20;
460 }
461 }
462
463 // initialize OpenGL 1.5 core functionality
2bd4c032 464 if (IsGlGreaterEqual (1, 5))
5f8b738e 465 {
466 if (!FindProcShort (myGlCore20, glGenQueries)
467 || !FindProcShort (myGlCore20, glDeleteQueries)
468 || !FindProcShort (myGlCore20, glIsQuery)
469 || !FindProcShort (myGlCore20, glBeginQuery)
470 || !FindProcShort (myGlCore20, glEndQuery)
471 || !FindProcShort (myGlCore20, glGetQueryiv)
472 || !FindProcShort (myGlCore20, glGetQueryObjectiv)
473 || !FindProcShort (myGlCore20, glGetQueryObjectuiv)
474 || !FindProcShort (myGlCore20, glBindBuffer)
475 || !FindProcShort (myGlCore20, glDeleteBuffers)
476 || !FindProcShort (myGlCore20, glGenBuffers)
477 || !FindProcShort (myGlCore20, glIsBuffer)
478 || !FindProcShort (myGlCore20, glBufferData)
479 || !FindProcShort (myGlCore20, glBufferSubData)
480 || !FindProcShort (myGlCore20, glGetBufferSubData)
481 || !FindProcShort (myGlCore20, glMapBuffer)
482 || !FindProcShort (myGlCore20, glUnmapBuffer)
483 || !FindProcShort (myGlCore20, glGetBufferParameteriv)
484 || !FindProcShort (myGlCore20, glGetBufferPointerv))
485 {
486 myGlVerMajor = 1;
487 myGlVerMinor = 4;
488 core12 = myGlCore20;
489 core13 = myGlCore20;
490 core14 = myGlCore20;
491 }
492 }
493
494 // initialize OpenGL 2.0 core functionality
2bd4c032 495 if (IsGlGreaterEqual (2, 0))
5f8b738e 496 {
497 if (!FindProcShort (myGlCore20, glBlendEquationSeparate)
498 || !FindProcShort (myGlCore20, glDrawBuffers)
499 || !FindProcShort (myGlCore20, glStencilOpSeparate)
500 || !FindProcShort (myGlCore20, glStencilFuncSeparate)
501 || !FindProcShort (myGlCore20, glStencilMaskSeparate)
502 || !FindProcShort (myGlCore20, glAttachShader)
503 || !FindProcShort (myGlCore20, glBindAttribLocation)
504 || !FindProcShort (myGlCore20, glCompileShader)
505 || !FindProcShort (myGlCore20, glCreateProgram)
506 || !FindProcShort (myGlCore20, glCreateShader)
507 || !FindProcShort (myGlCore20, glDeleteProgram)
508 || !FindProcShort (myGlCore20, glDeleteShader)
509 || !FindProcShort (myGlCore20, glDetachShader)
510 || !FindProcShort (myGlCore20, glDisableVertexAttribArray)
511 || !FindProcShort (myGlCore20, glEnableVertexAttribArray)
512 || !FindProcShort (myGlCore20, glGetActiveAttrib)
513 || !FindProcShort (myGlCore20, glGetActiveUniform)
514 || !FindProcShort (myGlCore20, glGetAttachedShaders)
515 || !FindProcShort (myGlCore20, glGetAttribLocation)
516 || !FindProcShort (myGlCore20, glGetProgramiv)
517 || !FindProcShort (myGlCore20, glGetProgramInfoLog)
518 || !FindProcShort (myGlCore20, glGetShaderiv)
519 || !FindProcShort (myGlCore20, glGetShaderInfoLog)
520 || !FindProcShort (myGlCore20, glGetShaderSource)
521 || !FindProcShort (myGlCore20, glGetUniformLocation)
522 || !FindProcShort (myGlCore20, glGetUniformfv)
523 || !FindProcShort (myGlCore20, glGetUniformiv)
524 || !FindProcShort (myGlCore20, glGetVertexAttribdv)
525 || !FindProcShort (myGlCore20, glGetVertexAttribfv)
526 || !FindProcShort (myGlCore20, glGetVertexAttribiv)
527 || !FindProcShort (myGlCore20, glGetVertexAttribPointerv)
528 || !FindProcShort (myGlCore20, glIsProgram)
529 || !FindProcShort (myGlCore20, glIsShader)
530 || !FindProcShort (myGlCore20, glLinkProgram)
531 || !FindProcShort (myGlCore20, glShaderSource)
532 || !FindProcShort (myGlCore20, glUseProgram)
533 || !FindProcShort (myGlCore20, glUniform1f)
534 || !FindProcShort (myGlCore20, glUniform2f)
535 || !FindProcShort (myGlCore20, glUniform3f)
536 || !FindProcShort (myGlCore20, glUniform4f)
537 || !FindProcShort (myGlCore20, glUniform1i)
538 || !FindProcShort (myGlCore20, glUniform2i)
539 || !FindProcShort (myGlCore20, glUniform3i)
540 || !FindProcShort (myGlCore20, glUniform4i)
541 || !FindProcShort (myGlCore20, glUniform1fv)
542 || !FindProcShort (myGlCore20, glUniform2fv)
543 || !FindProcShort (myGlCore20, glUniform3fv)
544 || !FindProcShort (myGlCore20, glUniform4fv)
545 || !FindProcShort (myGlCore20, glUniform1iv)
546 || !FindProcShort (myGlCore20, glUniform2iv)
547 || !FindProcShort (myGlCore20, glUniform3iv)
548 || !FindProcShort (myGlCore20, glUniform4iv)
549 || !FindProcShort (myGlCore20, glUniformMatrix2fv)
550 || !FindProcShort (myGlCore20, glUniformMatrix3fv)
551 || !FindProcShort (myGlCore20, glUniformMatrix4fv)
552 || !FindProcShort (myGlCore20, glValidateProgram)
553 || !FindProcShort (myGlCore20, glVertexAttrib1d)
554 || !FindProcShort (myGlCore20, glVertexAttrib1dv)
555 || !FindProcShort (myGlCore20, glVertexAttrib1f)
556 || !FindProcShort (myGlCore20, glVertexAttrib1fv)
557 || !FindProcShort (myGlCore20, glVertexAttrib1s)
558 || !FindProcShort (myGlCore20, glVertexAttrib1sv)
559 || !FindProcShort (myGlCore20, glVertexAttrib2d)
560 || !FindProcShort (myGlCore20, glVertexAttrib2dv)
561 || !FindProcShort (myGlCore20, glVertexAttrib2f)
562 || !FindProcShort (myGlCore20, glVertexAttrib2fv)
563 || !FindProcShort (myGlCore20, glVertexAttrib2s)
564 || !FindProcShort (myGlCore20, glVertexAttrib2sv)
565 || !FindProcShort (myGlCore20, glVertexAttrib3d)
566 || !FindProcShort (myGlCore20, glVertexAttrib3dv)
567 || !FindProcShort (myGlCore20, glVertexAttrib3f)
568 || !FindProcShort (myGlCore20, glVertexAttrib3fv)
569 || !FindProcShort (myGlCore20, glVertexAttrib3s)
570 || !FindProcShort (myGlCore20, glVertexAttrib3sv)
571 || !FindProcShort (myGlCore20, glVertexAttrib4Nbv)
572 || !FindProcShort (myGlCore20, glVertexAttrib4Niv)
573 || !FindProcShort (myGlCore20, glVertexAttrib4Nsv)
574 || !FindProcShort (myGlCore20, glVertexAttrib4Nub)
575 || !FindProcShort (myGlCore20, glVertexAttrib4Nubv)
576 || !FindProcShort (myGlCore20, glVertexAttrib4Nuiv)
577 || !FindProcShort (myGlCore20, glVertexAttrib4Nusv)
578 || !FindProcShort (myGlCore20, glVertexAttrib4bv)
579 || !FindProcShort (myGlCore20, glVertexAttrib4d)
580 || !FindProcShort (myGlCore20, glVertexAttrib4dv)
581 || !FindProcShort (myGlCore20, glVertexAttrib4f)
582 || !FindProcShort (myGlCore20, glVertexAttrib4fv)
583 || !FindProcShort (myGlCore20, glVertexAttrib4iv)
584 || !FindProcShort (myGlCore20, glVertexAttrib4s)
585 || !FindProcShort (myGlCore20, glVertexAttrib4sv)
586 || !FindProcShort (myGlCore20, glVertexAttrib4ubv)
587 || !FindProcShort (myGlCore20, glVertexAttrib4uiv)
588 || !FindProcShort (myGlCore20, glVertexAttrib4usv)
589 || !FindProcShort (myGlCore20, glVertexAttribPointer))
590 {
591 myGlVerMajor = 1;
592 myGlVerMinor = 5;
593 core12 = myGlCore20;
594 core13 = myGlCore20;
595 core14 = myGlCore20;
596 core15 = myGlCore20;
597 }
598 }
599
2bd4c032 600 if (IsGlGreaterEqual (2, 0))
5f8b738e 601 {
602 core12 = myGlCore20;
603 core13 = myGlCore20;
604 core14 = myGlCore20;
605 core15 = myGlCore20;
606 core20 = myGlCore20;
607 }
2166f0fa 608}
Open CASCADE Technology repository