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b311480e | 1 | // Created on: 2011-08-05 |
2 | // Created by: Sergey ZERCHANINOV | |
973c2be1 | 3 | // Copyright (c) 2011-2014 OPEN CASCADE SAS |
b311480e | 4 | // |
973c2be1 | 5 | // This file is part of Open CASCADE Technology software library. |
b311480e | 6 | // |
d5f74e42 | 7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
11 | // distribution for complete text of the license and disclaimer of any warranty. | |
b311480e | 12 | // |
973c2be1 | 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. | |
2166f0fa | 15 | |
5f8b738e | 16 | #include <OpenGl_GlCore11.hxx> |
17 | ||
2166f0fa SK |
18 | #include <OpenGl_Workspace.hxx> |
19 | ||
20 | #include <OpenGl_AspectLine.hxx> | |
21 | #include <OpenGl_AspectFace.hxx> | |
22 | #include <OpenGl_AspectMarker.hxx> | |
23 | #include <OpenGl_AspectText.hxx> | |
30f0ad28 | 24 | #include <OpenGl_Context.hxx> |
25 | #include <OpenGl_ShaderManager.hxx> | |
0f8c0fb8 | 26 | #include <OpenGl_telem_util.hxx> |
2166f0fa SK |
27 | |
28 | /* OCC22218 NOTE: project dependency on gl2ps is specified by macro */ | |
29 | #ifdef HAVE_GL2PS | |
30 | #include <gl2ps.h> | |
bf75be98 | 31 | /* OCC22216 NOTE: linker dependency can be switched off by undefining macro. |
32 | Pragma comment for gl2ps.lib is defined only here. */ | |
33 | #ifdef _MSC_VER | |
2166f0fa SK |
34 | #pragma comment( lib, "gl2ps.lib" ) |
35 | #endif | |
36 | #endif | |
37 | ||
2166f0fa | 38 | #include <Aspect_PolygonOffsetMode.hxx> |
2166f0fa SK |
39 | #include <OpenGl_View.hxx> |
40 | ||
41 | /*----------------------------------------------------------------------*/ | |
42 | ||
550f3b8b | 43 | static void TelUpdatePolygonOffsets (const TEL_POFFSET_PARAM& theOffsetData) |
2166f0fa | 44 | { |
550f3b8b | 45 | if ((theOffsetData.mode & Aspect_POM_Fill) == Aspect_POM_Fill) |
46 | { | |
47 | glEnable (GL_POLYGON_OFFSET_FILL); | |
48 | } | |
bf75be98 | 49 | else |
550f3b8b | 50 | { |
51 | glDisable (GL_POLYGON_OFFSET_FILL); | |
52 | } | |
2166f0fa | 53 | |
ca3c13d1 | 54 | #if !defined(GL_ES_VERSION_2_0) |
550f3b8b | 55 | if ((theOffsetData.mode & Aspect_POM_Line) == Aspect_POM_Line) |
56 | { | |
57 | glEnable (GL_POLYGON_OFFSET_LINE); | |
58 | } | |
2166f0fa | 59 | else |
550f3b8b | 60 | { |
61 | glDisable (GL_POLYGON_OFFSET_LINE); | |
62 | } | |
2166f0fa | 63 | |
550f3b8b | 64 | if ((theOffsetData.mode & Aspect_POM_Point) == Aspect_POM_Point) |
65 | { | |
66 | glEnable (GL_POLYGON_OFFSET_POINT); | |
67 | } | |
2166f0fa | 68 | else |
550f3b8b | 69 | { |
70 | glDisable (GL_POLYGON_OFFSET_POINT); | |
71 | } | |
ca3c13d1 | 72 | #endif |
2166f0fa | 73 | |
550f3b8b | 74 | glPolygonOffset (theOffsetData.factor, theOffsetData.units); |
2166f0fa SK |
75 | } |
76 | ||
77 | /*----------------------------------------------------------------------*/ | |
78 | ||
0adbd30f | 79 | void OpenGl_Workspace::updateMaterial (const int theFlag) |
2166f0fa | 80 | { |
fd4a6963 | 81 | // Case of hidden line |
82 | if (AspectFace_set->InteriorStyle() == Aspect_IS_HIDDENLINE) | |
2166f0fa | 83 | { |
fd4a6963 | 84 | myAspectFaceHl = *AspectFace_set; // copy all values including line edge aspect |
85 | myAspectFaceHl.ChangeIntFront().matcol = BackgroundColor(); | |
86 | myAspectFaceHl.ChangeIntFront().color_mask = 0; | |
87 | myAspectFaceHl.ChangeIntFront().color_mask = 0; | |
2166f0fa | 88 | |
fd4a6963 | 89 | AspectFace_set = &myAspectFaceHl; |
2166f0fa SK |
90 | return; |
91 | } | |
92 | ||
0adbd30f | 93 | const OPENGL_SURF_PROP* aProps = &AspectFace_set->IntFront(); |
94 | GLenum aFace = GL_FRONT_AND_BACK; | |
95 | if (theFlag == TEL_BACK_MATERIAL) | |
2166f0fa | 96 | { |
0adbd30f | 97 | aFace = GL_BACK; |
98 | aProps = &AspectFace_set->IntBack(); | |
2166f0fa | 99 | } |
0adbd30f | 100 | else if (AspectFace_set->DistinguishingMode() == TOn |
101 | && !(NamedStatus & OPENGL_NS_RESMAT)) | |
2166f0fa | 102 | { |
0adbd30f | 103 | aFace = GL_FRONT; |
2166f0fa SK |
104 | } |
105 | ||
0adbd30f | 106 | myMatTmp.Init (*aProps); |
107 | ||
108 | // handling transparency | |
109 | if (NamedStatus & OPENGL_NS_2NDPASSDO) | |
110 | { | |
111 | // second pass | |
112 | myMatTmp.Diffuse.a() = aProps->env_reflexion; | |
113 | } | |
114 | else | |
2166f0fa | 115 | { |
0adbd30f | 116 | if (aProps->env_reflexion != 0.0f) |
117 | { | |
118 | // if the material reflects the environment scene, the second pass is needed | |
119 | NamedStatus |= OPENGL_NS_2NDPASSNEED; | |
120 | } | |
121 | ||
a6964ce6 | 122 | if (aProps->trans != 1.0f) |
2166f0fa | 123 | { |
0adbd30f | 124 | // render transparent |
125 | myMatTmp.Diffuse.a() = aProps->trans; | |
bf75be98 | 126 | glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
0adbd30f | 127 | glEnable (GL_BLEND); |
2166f0fa SK |
128 | glDepthMask (GL_FALSE); |
129 | } | |
bf75be98 | 130 | else |
2166f0fa | 131 | { |
0adbd30f | 132 | // render opaque |
133 | if ((NamedStatus & OPENGL_NS_ANTIALIASING) == 0) | |
2166f0fa SK |
134 | { |
135 | glBlendFunc (GL_ONE, GL_ZERO); | |
0adbd30f | 136 | glDisable (GL_BLEND); |
2166f0fa SK |
137 | } |
138 | glDepthMask (GL_TRUE); | |
bf75be98 | 139 | } |
2166f0fa SK |
140 | } |
141 | ||
0adbd30f | 142 | // do not update material properties in case of zero reflection mode, |
143 | // because GL lighting will be disabled by OpenGl_PrimitiveArray::DrawArray() anyway. | |
144 | if (aProps->color_mask == 0) | |
bf75be98 | 145 | { |
0adbd30f | 146 | return; |
bf75be98 | 147 | } |
2166f0fa | 148 | |
0adbd30f | 149 | // reset material |
150 | if (NamedStatus & OPENGL_NS_RESMAT) | |
2166f0fa | 151 | { |
ca3c13d1 | 152 | #if !defined(GL_ES_VERSION_2_0) |
4e1523ef | 153 | if (myGlContext->core11 != NULL) |
154 | { | |
155 | myGlContext->core11->glMaterialfv (aFace, GL_AMBIENT, myMatTmp.Ambient.GetData()); | |
156 | myGlContext->core11->glMaterialfv (aFace, GL_DIFFUSE, myMatTmp.Diffuse.GetData()); | |
157 | myGlContext->core11->glMaterialfv (aFace, GL_SPECULAR, myMatTmp.Specular.GetData()); | |
158 | myGlContext->core11->glMaterialfv (aFace, GL_EMISSION, myMatTmp.Emission.GetData()); | |
159 | myGlContext->core11->glMaterialf (aFace, GL_SHININESS, myMatTmp.Shine()); | |
160 | } | |
ca3c13d1 | 161 | #endif |
2166f0fa | 162 | |
0adbd30f | 163 | if (theFlag == TEL_FRONT_MATERIAL) |
2166f0fa | 164 | { |
0adbd30f | 165 | myMatFront = myMatTmp; |
166 | myMatBack = myMatTmp; | |
2166f0fa SK |
167 | } |
168 | else | |
169 | { | |
0adbd30f | 170 | myMatBack = myMatTmp; |
2166f0fa SK |
171 | } |
172 | ||
0adbd30f | 173 | NamedStatus &= ~OPENGL_NS_RESMAT; |
174 | return; | |
175 | } | |
2166f0fa | 176 | |
0adbd30f | 177 | // reduce updates |
178 | OpenGl_Material& anOld = (theFlag == TEL_FRONT_MATERIAL) | |
179 | ? myMatFront | |
180 | : myMatBack; | |
ca3c13d1 | 181 | #if !defined(GL_ES_VERSION_2_0) |
4e1523ef | 182 | if (myGlContext->core11 != NULL) |
0adbd30f | 183 | { |
4e1523ef | 184 | if (myMatTmp.Ambient.r() != anOld.Ambient.r() |
185 | || myMatTmp.Ambient.g() != anOld.Ambient.g() | |
186 | || myMatTmp.Ambient.b() != anOld.Ambient.b()) | |
187 | { | |
188 | myGlContext->core11->glMaterialfv (aFace, GL_AMBIENT, myMatTmp.Ambient.GetData()); | |
189 | } | |
190 | if (myMatTmp.Diffuse.r() != anOld.Diffuse.r() | |
191 | || myMatTmp.Diffuse.g() != anOld.Diffuse.g() | |
192 | || myMatTmp.Diffuse.b() != anOld.Diffuse.b() | |
193 | || fabs (myMatTmp.Diffuse.a() - anOld.Diffuse.a()) > 0.01f) | |
194 | { | |
195 | myGlContext->core11->glMaterialfv (aFace, GL_DIFFUSE, myMatTmp.Diffuse.GetData()); | |
196 | } | |
197 | if (myMatTmp.Specular.r() != anOld.Specular.r() | |
198 | || myMatTmp.Specular.g() != anOld.Specular.g() | |
199 | || myMatTmp.Specular.b() != anOld.Specular.b()) | |
200 | { | |
201 | myGlContext->core11->glMaterialfv (aFace, GL_SPECULAR, myMatTmp.Specular.GetData()); | |
202 | } | |
203 | if (myMatTmp.Emission.r() != anOld.Emission.r() | |
204 | || myMatTmp.Emission.g() != anOld.Emission.g() | |
205 | || myMatTmp.Emission.b() != anOld.Emission.b()) | |
206 | { | |
207 | myGlContext->core11->glMaterialfv (aFace, GL_EMISSION, myMatTmp.Emission.GetData()); | |
208 | } | |
209 | if (myMatTmp.Shine() != anOld.Shine()) | |
210 | { | |
211 | myGlContext->core11->glMaterialf (aFace, GL_SHININESS, myMatTmp.Shine()); | |
212 | } | |
0adbd30f | 213 | } |
ca3c13d1 | 214 | #endif |
0adbd30f | 215 | anOld = myMatTmp; |
216 | if (aFace == GL_FRONT_AND_BACK) | |
217 | { | |
218 | myMatBack = myMatTmp; | |
2166f0fa SK |
219 | } |
220 | } | |
221 | ||
222 | /*----------------------------------------------------------------------*/ | |
223 | ||
224 | const OpenGl_AspectLine * OpenGl_Workspace::SetAspectLine(const OpenGl_AspectLine *AnAspect) | |
225 | { | |
226 | const OpenGl_AspectLine *AspectLine_old = AspectLine_set; | |
227 | AspectLine_set = AnAspect; | |
228 | return AspectLine_old; | |
229 | } | |
230 | ||
231 | /*----------------------------------------------------------------------*/ | |
232 | ||
233 | const OpenGl_AspectFace * OpenGl_Workspace::SetAspectFace(const OpenGl_AspectFace *AnAspect) | |
234 | { | |
235 | const OpenGl_AspectFace *AspectFace_old = AspectFace_set; | |
236 | AspectFace_set = AnAspect; | |
237 | return AspectFace_old; | |
238 | } | |
239 | ||
240 | /*----------------------------------------------------------------------*/ | |
241 | ||
242 | const OpenGl_AspectMarker * OpenGl_Workspace::SetAspectMarker(const OpenGl_AspectMarker *AnAspect) | |
243 | { | |
244 | const OpenGl_AspectMarker *AspectMarker_old = AspectMarker_set; | |
245 | AspectMarker_set = AnAspect; | |
246 | return AspectMarker_old; | |
247 | } | |
248 | ||
249 | /*----------------------------------------------------------------------*/ | |
250 | ||
251 | const OpenGl_AspectText * OpenGl_Workspace::SetAspectText(const OpenGl_AspectText *AnAspect) | |
252 | { | |
253 | const OpenGl_AspectText *AspectText_old = AspectText_set; | |
254 | AspectText_set = AnAspect; | |
255 | return AspectText_old; | |
256 | } | |
257 | ||
258 | /*----------------------------------------------------------------------*/ | |
259 | ||
2166f0fa SK |
260 | const OpenGl_AspectLine * OpenGl_Workspace::AspectLine(const Standard_Boolean WithApply) |
261 | { | |
262 | if ( WithApply && (AspectLine_set != AspectLine_applied) ) | |
263 | { | |
4e1523ef | 264 | myGlContext->SetColor4fv (*(const OpenGl_Vec4* )AspectLine_set->Color().rgb); |
2166f0fa SK |
265 | if ( !AspectLine_applied || (AspectLine_set->Type() != AspectLine_applied->Type() ) ) |
266 | { | |
73192b37 | 267 | myLineAttribs->SetTypeOfLine (AspectLine_set->Type()); |
2166f0fa SK |
268 | } |
269 | ||
270 | if ( !AspectLine_applied || ( AspectLine_set->Width() != AspectLine_applied->Width() ) ) | |
271 | { | |
272 | glLineWidth( (GLfloat)AspectLine_set->Width() ); | |
273 | #ifdef HAVE_GL2PS | |
274 | gl2psLineWidth( (GLfloat)AspectLine_set->Width() ); | |
275 | #endif | |
276 | } | |
277 | ||
278 | AspectLine_applied = AspectLine_set; | |
279 | } | |
280 | return AspectLine_set; | |
281 | } | |
282 | ||
283 | /*----------------------------------------------------------------------*/ | |
284 | ||
bf75be98 | 285 | const OpenGl_AspectFace* OpenGl_Workspace::AspectFace (const Standard_Boolean theToApply) |
2166f0fa | 286 | { |
3b1817a9 | 287 | if (!theToApply) |
288 | { | |
289 | return AspectFace_set; | |
290 | } | |
291 | ||
292 | if (!ActiveView()->Backfacing()) | |
293 | { | |
294 | // manage back face culling mode, disable culling when clipping is enabled | |
295 | TelCullMode aCullingMode = (myGlContext->Clipping().IsClippingOrCappingOn() | |
296 | || AspectFace_set->InteriorStyle() == Aspect_IS_HATCH) | |
297 | ? TelCullNone | |
298 | : (TelCullMode )AspectFace_set->CullingMode(); | |
299 | if (aCullingMode != TelCullNone | |
a6964ce6 | 300 | && !(NamedStatus & OPENGL_NS_2NDPASSDO)) |
3b1817a9 | 301 | { |
302 | // disable culling in case of translucent shading aspect | |
303 | if (AspectFace_set->IntFront().trans != 1.0f) | |
304 | { | |
305 | aCullingMode = TelCullNone; | |
306 | } | |
307 | } | |
308 | if (myCullingMode != aCullingMode) | |
309 | { | |
310 | myCullingMode = aCullingMode; | |
311 | switch (myCullingMode) | |
312 | { | |
313 | case TelCullNone: | |
314 | case TelCullUndefined: | |
315 | { | |
316 | glDisable (GL_CULL_FACE); | |
317 | break; | |
318 | } | |
319 | case TelCullFront: | |
320 | { | |
321 | glCullFace (GL_FRONT); | |
322 | glEnable (GL_CULL_FACE); | |
323 | break; | |
324 | } | |
325 | case TelCullBack: | |
326 | { | |
327 | glCullFace (GL_BACK); | |
328 | glEnable (GL_CULL_FACE); | |
329 | break; | |
330 | } | |
331 | } | |
332 | } | |
333 | } | |
334 | ||
335 | if (AspectFace_set == AspectFace_applied) | |
bf75be98 | 336 | { |
337 | return AspectFace_set; | |
338 | } | |
339 | ||
ca3c13d1 | 340 | #if !defined(GL_ES_VERSION_2_0) |
fd4a6963 | 341 | const Aspect_InteriorStyle anIntstyle = AspectFace_set->InteriorStyle(); |
342 | if (AspectFace_applied == NULL || AspectFace_applied->InteriorStyle() != anIntstyle) | |
2166f0fa | 343 | { |
bf75be98 | 344 | switch (anIntstyle) |
2166f0fa | 345 | { |
bf75be98 | 346 | case Aspect_IS_EMPTY: |
347 | case Aspect_IS_HOLLOW: | |
2166f0fa | 348 | { |
bf75be98 | 349 | glPolygonMode (GL_FRONT_AND_BACK, GL_LINE); |
350 | break; | |
2166f0fa | 351 | } |
bf75be98 | 352 | case Aspect_IS_HATCH: |
353 | { | |
354 | glPolygonMode (GL_FRONT_AND_BACK, GL_FILL); | |
73192b37 | 355 | myLineAttribs->SetTypeOfHatch (AspectFace_applied != NULL ? AspectFace_applied->Hatch() : TEL_HS_SOLID); |
bf75be98 | 356 | break; |
357 | } | |
358 | case Aspect_IS_SOLID: | |
359 | case Aspect_IS_HIDDENLINE: | |
360 | { | |
361 | glPolygonMode (GL_FRONT_AND_BACK, GL_FILL); | |
4e1523ef | 362 | if (myGlContext->core11 != NULL) |
363 | { | |
364 | glDisable (GL_POLYGON_STIPPLE); | |
365 | } | |
bf75be98 | 366 | break; |
367 | } | |
0adbd30f | 368 | case Aspect_IS_POINT: |
2166f0fa | 369 | { |
0adbd30f | 370 | glPolygonMode (GL_FRONT_AND_BACK, GL_POINT); |
bf75be98 | 371 | break; |
2166f0fa SK |
372 | } |
373 | } | |
bf75be98 | 374 | } |
375 | ||
376 | if (anIntstyle == Aspect_IS_HATCH) | |
377 | { | |
fd4a6963 | 378 | const Tint hatchstyle = AspectFace_set->Hatch(); |
379 | if (AspectFace_applied == NULL || AspectFace_applied->Hatch() != hatchstyle) | |
bf75be98 | 380 | { |
73192b37 | 381 | myLineAttribs->SetTypeOfHatch (hatchstyle); |
bf75be98 | 382 | } |
383 | } | |
ca3c13d1 | 384 | #endif |
bf75be98 | 385 | |
bf75be98 | 386 | // Aspect_POM_None means: do not change current settings |
fd4a6963 | 387 | if ((AspectFace_set->PolygonOffset().mode & Aspect_POM_None) != Aspect_POM_None) |
bf75be98 | 388 | { |
550f3b8b | 389 | if (PolygonOffset_applied.mode != AspectFace_set->PolygonOffset().mode |
390 | || PolygonOffset_applied.factor != AspectFace_set->PolygonOffset().factor | |
391 | || PolygonOffset_applied.units != AspectFace_set->PolygonOffset().units) | |
2166f0fa | 392 | { |
550f3b8b | 393 | SetPolygonOffset (AspectFace_set->PolygonOffset().mode, |
394 | AspectFace_set->PolygonOffset().factor, | |
395 | AspectFace_set->PolygonOffset().units); | |
2166f0fa | 396 | } |
bf75be98 | 397 | } |
2166f0fa | 398 | |
0adbd30f | 399 | updateMaterial (TEL_FRONT_MATERIAL); |
fd4a6963 | 400 | if (AspectFace_set->DistinguishingMode() == TOn) |
bf75be98 | 401 | { |
0adbd30f | 402 | updateMaterial (TEL_BACK_MATERIAL); |
bf75be98 | 403 | } |
2166f0fa | 404 | |
bf75be98 | 405 | if ((NamedStatus & OPENGL_NS_FORBIDSETTEX) == 0) |
406 | { | |
fd4a6963 | 407 | if (AspectFace_set->DoTextureMap()) |
bf75be98 | 408 | { |
8625ef7e | 409 | EnableTexture (AspectFace_set->TextureRes (myGlContext), |
fd4a6963 | 410 | AspectFace_set->TextureParams()); |
bf75be98 | 411 | } |
412 | else | |
2166f0fa SK |
413 | { |
414 | DisableTexture(); | |
2166f0fa | 415 | } |
2166f0fa | 416 | } |
bf75be98 | 417 | |
418 | AspectFace_applied = AspectFace_set; | |
2166f0fa SK |
419 | return AspectFace_set; |
420 | } | |
421 | ||
550f3b8b | 422 | //======================================================================= |
423 | //function : SetPolygonOffset | |
424 | //purpose : | |
425 | //======================================================================= | |
426 | void OpenGl_Workspace::SetPolygonOffset (int theMode, | |
427 | Standard_ShortReal theFactor, | |
428 | Standard_ShortReal theUnits) | |
429 | { | |
430 | PolygonOffset_applied.mode = theMode; | |
431 | PolygonOffset_applied.factor = theFactor; | |
432 | PolygonOffset_applied.units = theUnits; | |
433 | ||
434 | TelUpdatePolygonOffsets (PolygonOffset_applied); | |
435 | } | |
436 | ||
2166f0fa SK |
437 | /*----------------------------------------------------------------------*/ |
438 | ||
17f65eb2 | 439 | const OpenGl_AspectMarker* OpenGl_Workspace::AspectMarker (const Standard_Boolean theToApply) |
2166f0fa | 440 | { |
17f65eb2 | 441 | if (theToApply && (AspectMarker_set != AspectMarker_applied)) |
2166f0fa | 442 | { |
17f65eb2 | 443 | if (!AspectMarker_applied || (AspectMarker_set->Scale() != AspectMarker_applied->Scale())) |
444 | { | |
ca3c13d1 | 445 | #if !defined(GL_ES_VERSION_2_0) |
17f65eb2 | 446 | glPointSize (AspectMarker_set->Scale()); |
447 | #ifdef HAVE_GL2PS | |
448 | gl2psPointSize (AspectMarker_set->Scale()); | |
449 | #endif | |
ca3c13d1 | 450 | #endif |
17f65eb2 | 451 | } |
2166f0fa SK |
452 | AspectMarker_applied = AspectMarker_set; |
453 | } | |
454 | return AspectMarker_set; | |
455 | } | |
456 | ||
457 | /*----------------------------------------------------------------------*/ | |
458 | ||
a174a3c5 | 459 | const OpenGl_AspectText* OpenGl_Workspace::AspectText (const Standard_Boolean theWithApply) |
2166f0fa | 460 | { |
a174a3c5 | 461 | if (theWithApply) |
2166f0fa | 462 | { |
a174a3c5 | 463 | AspectText_applied = AspectText_set; |
464 | TextParam_applied = TextParam_set; | |
2166f0fa | 465 | } |
a174a3c5 | 466 | |
2166f0fa SK |
467 | return AspectText_set; |
468 | } |