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b311480e | 1 | // Created on: 2011-07-13 |
2 | // Created by: Sergey ZERCHANINOV | |
a174a3c5 | 3 | // Copyright (c) 2011-2013 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. | |
b311480e | 15 | |
2166f0fa | 16 | #include <OpenGl_AspectText.hxx> |
30f0ad28 | 17 | #include <OpenGl_GlCore11.hxx> |
a174a3c5 | 18 | #include <OpenGl_GraphicDriver.hxx> |
30f0ad28 | 19 | #include <OpenGl_ShaderManager.hxx> |
20 | #include <OpenGl_ShaderProgram.hxx> | |
21 | #include <OpenGl_ShaderStates.hxx> | |
22 | #include <OpenGl_Text.hxx> | |
bf75be98 | 23 | #include <OpenGl_Workspace.hxx> |
ce01ec26 | 24 | #include <OpenGl_View.hxx> |
048e1b3b | 25 | #include <OpenGl_VertexBufferCompat.hxx> |
2166f0fa | 26 | |
a174a3c5 | 27 | #include <Font_FontMgr.hxx> |
d2eddacc | 28 | #include <Font_FTFont.hxx> |
825aa485 | 29 | #include <Graphic3d_TransformUtils.hxx> |
a174a3c5 | 30 | #include <TCollection_HAsciiString.hxx> |
31 | ||
a174a3c5 | 32 | namespace |
2166f0fa | 33 | { |
c827ea3a | 34 | static const GLdouble THE_IDENTITY_MATRIX[16] = |
a174a3c5 | 35 | { |
c827ea3a | 36 | 1.0, 0.0, 0.0, 0.0, |
37 | 0.0, 1.0, 0.0, 0.0, | |
38 | 0.0, 0.0, 1.0, 0.0, | |
39 | 0.0, 0.0, 0.0, 1.0 | |
a174a3c5 | 40 | }; |
41 | ||
8d1a539c | 42 | //! Auxiliary tool for setting polygon offset temporarily. |
43 | struct BackPolygonOffsetSentry | |
44 | { | |
45 | BackPolygonOffsetSentry (const Handle(OpenGl_Context)& theCtx) | |
46 | : myCtx (theCtx), | |
47 | myOffsetBack (!theCtx.IsNull() ? theCtx->PolygonOffset() : Graphic3d_PolygonOffset()) | |
48 | { | |
49 | if (!theCtx.IsNull()) | |
50 | { | |
51 | Graphic3d_PolygonOffset aPolyOffset = myOffsetBack; | |
52 | aPolyOffset.Mode = Aspect_POM_Fill; | |
53 | aPolyOffset.Units += 1.0f; | |
54 | theCtx->SetPolygonOffset (aPolyOffset); | |
55 | } | |
56 | } | |
57 | ||
58 | ~BackPolygonOffsetSentry() | |
59 | { | |
60 | if (!myCtx.IsNull()) | |
61 | { | |
62 | myCtx->SetPolygonOffset (myOffsetBack); | |
63 | } | |
64 | } | |
65 | ||
66 | private: | |
67 | BackPolygonOffsetSentry (const BackPolygonOffsetSentry& ); | |
68 | BackPolygonOffsetSentry& operator= (const BackPolygonOffsetSentry& ); | |
69 | private: | |
70 | const Handle(OpenGl_Context)& myCtx; | |
71 | const Graphic3d_PolygonOffset myOffsetBack; | |
72 | }; | |
73 | ||
68858c7d | 74 | } // anonymous namespace |
a174a3c5 | 75 | |
76 | // ======================================================================= | |
77 | // function : OpenGl_Text | |
78 | // purpose : | |
79 | // ======================================================================= | |
80 | OpenGl_Text::OpenGl_Text() | |
81 | : myWinX (0.0f), | |
82 | myWinY (0.0f), | |
83 | myWinZ (0.0f), | |
84 | myScaleHeight (1.0f), | |
85 | myPoint (0.0f, 0.0f, 0.0f), | |
ce01ec26 | 86 | myIs2d (false), |
3f1eb0ab | 87 | myHasPlane (false), |
88 | myHasAnchorPoint (true) | |
a174a3c5 | 89 | { |
90 | myParams.Height = 10; | |
91 | myParams.HAlign = Graphic3d_HTA_LEFT; | |
92 | myParams.VAlign = Graphic3d_VTA_BOTTOM; | |
2166f0fa SK |
93 | } |
94 | ||
a174a3c5 | 95 | // ======================================================================= |
96 | // function : OpenGl_Text | |
97 | // purpose : | |
98 | // ======================================================================= | |
b64d84be | 99 | OpenGl_Text::OpenGl_Text (const Standard_Utf8Char* theText, |
100 | const OpenGl_Vec3& thePoint, | |
101 | const OpenGl_TextParam& theParams) | |
a174a3c5 | 102 | : myWinX (0.0f), |
103 | myWinY (0.0f), | |
104 | myWinZ (0.0f), | |
105 | myScaleHeight (1.0f), | |
106 | myExportHeight (1.0f), | |
107 | myParams (theParams), | |
b64d84be | 108 | myString (theText), |
a174a3c5 | 109 | myPoint (thePoint), |
ce01ec26 | 110 | myIs2d (false), |
3f1eb0ab | 111 | myHasPlane (false), |
112 | myHasAnchorPoint (true) | |
a174a3c5 | 113 | { |
114 | // | |
115 | } | |
2166f0fa | 116 | |
ce01ec26 | 117 | // ======================================================================= |
118 | // function : OpenGl_Text | |
119 | // purpose : | |
120 | // ======================================================================= | |
121 | OpenGl_Text::OpenGl_Text (const Standard_Utf8Char* theText, | |
122 | const gp_Ax2& theOrientation, | |
3f1eb0ab | 123 | const OpenGl_TextParam& theParams, |
124 | const bool theHasOwnAnchor) | |
ce01ec26 | 125 | : myWinX (0.0), |
126 | myWinY (0.0), | |
127 | myWinZ (0.0), | |
128 | myScaleHeight (1.0), | |
129 | myExportHeight (1.0), | |
130 | myParams (theParams), | |
131 | myString (theText), | |
132 | myIs2d (false), | |
133 | myOrientation (theOrientation), | |
3f1eb0ab | 134 | myHasPlane (true), |
135 | myHasAnchorPoint (theHasOwnAnchor) | |
ce01ec26 | 136 | { |
137 | const gp_Pnt& aPoint = theOrientation.Location(); | |
138 | myPoint = OpenGl_Vec3 (static_cast<Standard_ShortReal> (aPoint.X()), | |
139 | static_cast<Standard_ShortReal> (aPoint.Y()), | |
140 | static_cast<Standard_ShortReal> (aPoint.Z())); | |
141 | } | |
142 | ||
a174a3c5 | 143 | // ======================================================================= |
144 | // function : SetPosition | |
145 | // purpose : | |
146 | // ======================================================================= | |
147 | void OpenGl_Text::SetPosition (const OpenGl_Vec3& thePoint) | |
2166f0fa | 148 | { |
a174a3c5 | 149 | myPoint = thePoint; |
2166f0fa SK |
150 | } |
151 | ||
a174a3c5 | 152 | // ======================================================================= |
153 | // function : SetFontSize | |
154 | // purpose : | |
155 | // ======================================================================= | |
156 | void OpenGl_Text::SetFontSize (const Handle(OpenGl_Context)& theCtx, | |
157 | const Standard_Integer theFontSize) | |
158 | { | |
159 | if (myParams.Height != theFontSize) | |
160 | { | |
10b9c7df | 161 | Release (theCtx.operator->()); |
a174a3c5 | 162 | } |
163 | myParams.Height = theFontSize; | |
164 | } | |
165 | ||
166 | // ======================================================================= | |
167 | // function : Init | |
168 | // purpose : | |
169 | // ======================================================================= | |
170 | void OpenGl_Text::Init (const Handle(OpenGl_Context)& theCtx, | |
171 | const Standard_Utf8Char* theText, | |
172 | const OpenGl_Vec3& thePoint) | |
173 | { | |
10b9c7df | 174 | releaseVbos (theCtx.operator->()); |
a174a3c5 | 175 | myIs2d = false; |
176 | myPoint = thePoint; | |
177 | myString.FromUnicode (theText); | |
178 | } | |
179 | ||
180 | // ======================================================================= | |
181 | // function : Init | |
182 | // purpose : | |
183 | // ======================================================================= | |
184 | void OpenGl_Text::Init (const Handle(OpenGl_Context)& theCtx, | |
185 | const Standard_Utf8Char* theText, | |
186 | const OpenGl_Vec3& thePoint, | |
187 | const OpenGl_TextParam& theParams) | |
188 | { | |
189 | if (myParams.Height != theParams.Height) | |
190 | { | |
10b9c7df | 191 | Release (theCtx.operator->()); |
a174a3c5 | 192 | } |
193 | else | |
194 | { | |
10b9c7df | 195 | releaseVbos (theCtx.operator->()); |
a174a3c5 | 196 | } |
197 | myIs2d = false; | |
198 | myParams = theParams; | |
199 | myPoint = thePoint; | |
200 | myString.FromUnicode (theText); | |
201 | } | |
2166f0fa | 202 | |
a174a3c5 | 203 | // ======================================================================= |
204 | // function : Init | |
205 | // purpose : | |
206 | // ======================================================================= | |
207 | void OpenGl_Text::Init (const Handle(OpenGl_Context)& theCtx, | |
208 | const TCollection_ExtendedString& theText, | |
209 | const OpenGl_Vec2& thePoint, | |
210 | const OpenGl_TextParam& theParams) | |
2166f0fa | 211 | { |
a174a3c5 | 212 | if (myParams.Height != theParams.Height) |
213 | { | |
10b9c7df | 214 | Release (theCtx.operator->()); |
a174a3c5 | 215 | } |
216 | else | |
217 | { | |
10b9c7df | 218 | releaseVbos (theCtx.operator->()); |
a174a3c5 | 219 | } |
220 | myIs2d = true; | |
221 | myParams = theParams; | |
bc379358 | 222 | myPoint.SetValues (thePoint, 0.0f); |
fb0b0531 | 223 | myString.FromUnicode (theText.ToExtString()); |
a174a3c5 | 224 | } |
225 | ||
226 | // ======================================================================= | |
227 | // function : ~OpenGl_Text | |
228 | // purpose : | |
229 | // ======================================================================= | |
230 | OpenGl_Text::~OpenGl_Text() | |
231 | { | |
232 | // | |
233 | } | |
234 | ||
235 | // ======================================================================= | |
236 | // function : releaseVbos | |
237 | // purpose : | |
238 | // ======================================================================= | |
10b9c7df | 239 | void OpenGl_Text::releaseVbos (OpenGl_Context* theCtx) |
a174a3c5 | 240 | { |
241 | for (Standard_Integer anIter = 0; anIter < myVertsVbo.Length(); ++anIter) | |
242 | { | |
243 | Handle(OpenGl_VertexBuffer)& aVerts = myVertsVbo.ChangeValue (anIter); | |
244 | Handle(OpenGl_VertexBuffer)& aTCrds = myTCrdsVbo.ChangeValue (anIter); | |
245 | ||
6fe58c66 | 246 | if (theCtx != NULL) |
a174a3c5 | 247 | { |
248 | theCtx->DelayedRelease (aVerts); | |
249 | theCtx->DelayedRelease (aTCrds); | |
250 | } | |
251 | aVerts.Nullify(); | |
252 | aTCrds.Nullify(); | |
253 | } | |
6fe58c66 | 254 | if (theCtx != NULL |
255 | && !myBndVertsVbo.IsNull()) | |
256 | { | |
257 | theCtx->DelayedRelease (myBndVertsVbo); | |
258 | } | |
259 | ||
a174a3c5 | 260 | myTextures.Clear(); |
261 | myVertsVbo.Clear(); | |
262 | myTCrdsVbo.Clear(); | |
6fe58c66 | 263 | myBndVertsVbo.Nullify(); |
a174a3c5 | 264 | } |
265 | ||
266 | // ======================================================================= | |
267 | // function : Release | |
268 | // purpose : | |
269 | // ======================================================================= | |
10b9c7df | 270 | void OpenGl_Text::Release (OpenGl_Context* theCtx) |
a174a3c5 | 271 | { |
272 | releaseVbos (theCtx); | |
273 | if (!myFont.IsNull()) | |
274 | { | |
a174a3c5 | 275 | const TCollection_AsciiString aKey = myFont->ResourceKey(); |
276 | myFont.Nullify(); | |
6fe58c66 | 277 | if (theCtx != NULL) |
278 | { | |
279 | theCtx->ReleaseResource (aKey, Standard_True); | |
280 | } | |
a174a3c5 | 281 | } |
282 | } | |
283 | ||
284 | // ======================================================================= | |
285 | // function : StringSize | |
286 | // purpose : | |
287 | // ======================================================================= | |
288 | void OpenGl_Text::StringSize (const Handle(OpenGl_Context)& theCtx, | |
289 | const NCollection_String& theText, | |
290 | const OpenGl_AspectText& theTextAspect, | |
291 | const OpenGl_TextParam& theParams, | |
4b1c8733 | 292 | const unsigned int theResolution, |
a174a3c5 | 293 | Standard_ShortReal& theWidth, |
294 | Standard_ShortReal& theAscent, | |
295 | Standard_ShortReal& theDescent) | |
296 | { | |
297 | theWidth = 0.0f; | |
298 | theAscent = 0.0f; | |
299 | theDescent = 0.0f; | |
4b1c8733 | 300 | const TCollection_AsciiString aFontKey = FontKey (theTextAspect, theParams.Height, theResolution); |
301 | Handle(OpenGl_Font) aFont = FindFont (theCtx, theTextAspect, theParams.Height, theResolution, aFontKey); | |
a174a3c5 | 302 | if (aFont.IsNull() || !aFont->IsValid()) |
303 | { | |
2166f0fa | 304 | return; |
a174a3c5 | 305 | } |
306 | ||
307 | theAscent = aFont->Ascender(); | |
308 | theDescent = aFont->Descender(); | |
309 | ||
310 | GLfloat aWidth = 0.0f; | |
311 | for (NCollection_Utf8Iter anIter = theText.Iterator(); *anIter != 0;) | |
312 | { | |
313 | const Standard_Utf32Char aCharThis = *anIter; | |
314 | const Standard_Utf32Char aCharNext = *++anIter; | |
315 | ||
316 | if (aCharThis == '\x0D' // CR (carriage return) | |
317 | || aCharThis == '\a' // BEL (alarm) | |
318 | || aCharThis == '\f' // FF (form feed) NP (new page) | |
319 | || aCharThis == '\b' // BS (backspace) | |
320 | || aCharThis == '\v') // VT (vertical tab) | |
321 | { | |
322 | continue; // skip unsupported carriage control codes | |
323 | } | |
324 | else if (aCharThis == '\x0A') // LF (line feed, new line) | |
325 | { | |
326 | theWidth = Max (theWidth, aWidth); | |
327 | aWidth = 0.0f; | |
328 | continue; | |
329 | } | |
330 | else if (aCharThis == ' ') | |
331 | { | |
d2eddacc | 332 | aWidth += aFont->FTFont()->AdvanceX (aCharThis, aCharNext); |
a174a3c5 | 333 | continue; |
334 | } | |
335 | else if (aCharThis == '\t') | |
336 | { | |
d2eddacc | 337 | aWidth += aFont->FTFont()->AdvanceX (' ', aCharNext) * 8.0f; |
a174a3c5 | 338 | continue; |
339 | } | |
340 | ||
d2eddacc | 341 | aWidth += aFont->FTFont()->AdvanceX (aCharThis, aCharNext); |
a174a3c5 | 342 | } |
343 | theWidth = Max (theWidth, aWidth); | |
344 | ||
345 | Handle(OpenGl_Context) aCtx = theCtx; | |
346 | aFont.Nullify(); | |
347 | aCtx->ReleaseResource (aFontKey, Standard_True); | |
348 | } | |
349 | ||
350 | // ======================================================================= | |
351 | // function : Render | |
352 | // purpose : | |
353 | // ======================================================================= | |
354 | void OpenGl_Text::Render (const Handle(OpenGl_Workspace)& theWorkspace) const | |
355 | { | |
c40eb6b9 | 356 | theWorkspace->SetAspectFace (&theWorkspace->FontFaceAspect()); |
357 | theWorkspace->ApplyAspectFace(); | |
f9ba5c4d | 358 | const OpenGl_AspectText* aTextAspect = theWorkspace->ApplyAspectText(); |
25ef750e | 359 | const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext(); |
cc8cbabe | 360 | const Handle(OpenGl_TextureSet) aPrevTexture = aCtx->BindTextures (Handle(OpenGl_TextureSet)()); |
8d1a539c | 361 | |
b990e557 | 362 | // Bind custom shader program or generate default version |
8613985b | 363 | aCtx->ShaderManager()->BindFontProgram (aTextAspect->ShaderProgramRes (aCtx)); |
30f0ad28 | 364 | |
c357e426 | 365 | myOrientationMatrix = theWorkspace->View()->Camera()->OrientationMatrix(); |
ce01ec26 | 366 | myProjMatrix.Convert (aCtx->ProjectionState.Current()); |
367 | ||
a174a3c5 | 368 | // use highlight color or colors from aspect |
60273f77 | 369 | render (aCtx, |
f9ba5c4d | 370 | *aTextAspect, |
371 | theWorkspace->TextColor(), | |
372 | theWorkspace->TextSubtitleColor(), | |
56689b27 | 373 | aCtx->Resolution()); |
2166f0fa | 374 | |
a174a3c5 | 375 | // restore aspects |
376 | if (!aPrevTexture.IsNull()) | |
377 | { | |
cc8cbabe | 378 | aCtx->BindTextures (aPrevTexture); |
a174a3c5 | 379 | } |
b34efb62 | 380 | |
381 | // restore Z buffer settings | |
eae454e3 | 382 | if (theWorkspace->UseZBuffer()) |
b34efb62 | 383 | { |
384 | glEnable (GL_DEPTH_TEST); | |
385 | } | |
a174a3c5 | 386 | } |
2166f0fa | 387 | |
a174a3c5 | 388 | // ======================================================================= |
389 | // function : Render | |
390 | // purpose : | |
391 | // ======================================================================= | |
60273f77 | 392 | void OpenGl_Text::Render (const Handle(OpenGl_Context)& theCtx, |
393 | const OpenGl_AspectText& theTextAspect, | |
394 | const unsigned int theResolution) const | |
a174a3c5 | 395 | { |
2a332745 | 396 | const bool anAlphaToCoverageOld = theCtx->SetSampleAlphaToCoverage (false); |
397 | #if !defined(GL_ES_VERSION_2_0) | |
398 | const Standard_Integer aPrevPolygonMode = theCtx->SetPolygonMode (GL_FILL); | |
399 | const bool aPrevHatchingMode = theCtx->SetPolygonHatchEnabled (false); | |
400 | #endif | |
401 | ||
60273f77 | 402 | render (theCtx, theTextAspect, |
b6472664 | 403 | theTextAspect.Aspect()->ColorRGBA(), |
404 | theTextAspect.Aspect()->ColorSubTitleRGBA(), | |
405 | theResolution); | |
2a332745 | 406 | |
407 | #if !defined(GL_ES_VERSION_2_0) | |
408 | theCtx->SetPolygonMode (aPrevPolygonMode); | |
409 | theCtx->SetPolygonHatchEnabled (aPrevHatchingMode); | |
410 | #endif | |
411 | theCtx->SetSampleAlphaToCoverage (anAlphaToCoverageOld); | |
a174a3c5 | 412 | } |
2166f0fa | 413 | |
a174a3c5 | 414 | // ======================================================================= |
415 | // function : setupMatrix | |
416 | // purpose : | |
417 | // ======================================================================= | |
60273f77 | 418 | void OpenGl_Text::setupMatrix (const Handle(OpenGl_Context)& theCtx, |
419 | const OpenGl_AspectText& theTextAspect, | |
420 | const OpenGl_Vec3 theDVec) const | |
a174a3c5 | 421 | { |
c827ea3a | 422 | OpenGl_Mat4d aModViewMat; |
ce01ec26 | 423 | OpenGl_Mat4d aProjectMat; |
3f1eb0ab | 424 | if (myHasPlane && myHasAnchorPoint) |
ce01ec26 | 425 | { |
426 | aProjectMat = myProjMatrix * myOrientationMatrix; | |
427 | } | |
428 | else | |
429 | { | |
430 | aProjectMat = myProjMatrix; | |
431 | } | |
c827ea3a | 432 | |
a174a3c5 | 433 | if (myIs2d) |
bf75be98 | 434 | { |
825aa485 | 435 | Graphic3d_TransformUtils::Translate<GLdouble> (aModViewMat, myPoint.x() + theDVec.x(), myPoint.y() + theDVec.y(), 0.f); |
436 | Graphic3d_TransformUtils::Scale<GLdouble> (aModViewMat, 1.f, -1.f, 1.f); | |
b6472664 | 437 | Graphic3d_TransformUtils::Rotate<GLdouble> (aModViewMat, theTextAspect.Aspect()->GetTextAngle(), 0.f, 0.f, 1.f); |
2166f0fa SK |
438 | } |
439 | else | |
440 | { | |
a174a3c5 | 441 | // align coordinates to the nearest integer |
442 | // to avoid extra interpolation issues | |
443 | GLdouble anObjX, anObjY, anObjZ; | |
825aa485 | 444 | Graphic3d_TransformUtils::UnProject<Standard_Real> (std::floor (myWinX + theDVec.x()), |
445 | std::floor (myWinY + theDVec.y()), | |
446 | myWinZ + theDVec.z(), | |
447 | OpenGl_Mat4d::Map (THE_IDENTITY_MATRIX), | |
ce01ec26 | 448 | OpenGl_Mat4d::Map (aProjectMat), |
3bffef55 | 449 | theCtx->Viewport(), |
825aa485 | 450 | anObjX, |
451 | anObjY, | |
452 | anObjZ); | |
453 | ||
ce01ec26 | 454 | if (myHasPlane) |
455 | { | |
456 | const gp_Dir& aVectorDir = myOrientation.XDirection(); | |
457 | const gp_Dir& aVectorUp = myOrientation.Direction(); | |
458 | const gp_Dir& aVectorRight = myOrientation.YDirection(); | |
459 | ||
ce01ec26 | 460 | aModViewMat.SetColumn (2, OpenGl_Vec3d (aVectorUp.X(), aVectorUp.Y(), aVectorUp.Z())); |
461 | aModViewMat.SetColumn (1, OpenGl_Vec3d (aVectorRight.X(), aVectorRight.Y(), aVectorRight.Z())); | |
462 | aModViewMat.SetColumn (0, OpenGl_Vec3d (aVectorDir.X(), aVectorDir.Y(), aVectorDir.Z())); | |
3f1eb0ab | 463 | |
464 | if (!myHasAnchorPoint) | |
465 | { | |
466 | OpenGl_Mat4d aPosMat; | |
467 | aPosMat.SetColumn (3, OpenGl_Vec3d (myPoint.x(), myPoint.y(), myPoint.z())); | |
468 | aPosMat *= aModViewMat; | |
469 | aModViewMat.SetColumn (3, aPosMat.GetColumn (3)); | |
470 | } | |
471 | else | |
472 | { | |
473 | aModViewMat.SetColumn (3, OpenGl_Vec3d (anObjX, anObjY, anObjZ)); | |
474 | } | |
ce01ec26 | 475 | } |
476 | else | |
477 | { | |
478 | Graphic3d_TransformUtils::Translate<GLdouble> (aModViewMat, anObjX, anObjY, anObjZ); | |
b6472664 | 479 | Graphic3d_TransformUtils::Rotate<GLdouble> (aModViewMat, theTextAspect.Aspect()->GetTextAngle(), 0.0, 0.0, 1.0); |
ce01ec26 | 480 | } |
825aa485 | 481 | |
b6472664 | 482 | if (!theTextAspect.Aspect()->GetTextZoomable()) |
a174a3c5 | 483 | { |
825aa485 | 484 | Graphic3d_TransformUtils::Scale<GLdouble> (aModViewMat, myScaleHeight, myScaleHeight, myScaleHeight); |
a174a3c5 | 485 | } |
56689b27 | 486 | else if (theCtx->HasRenderScale()) |
487 | { | |
488 | Graphic3d_TransformUtils::Scale<GLdouble> (aModViewMat, theCtx->RenderScaleInv(), theCtx->RenderScaleInv(), theCtx->RenderScaleInv()); | |
489 | } | |
a174a3c5 | 490 | } |
c827ea3a | 491 | |
3f1eb0ab | 492 | if (myHasPlane && !myHasAnchorPoint) |
493 | { | |
494 | OpenGl_Mat4d aCurrentWorldViewMat; | |
495 | aCurrentWorldViewMat.Convert (theCtx->WorldViewState.Current()); | |
496 | theCtx->WorldViewState.SetCurrent<Standard_Real> (aCurrentWorldViewMat * aModViewMat); | |
497 | } | |
498 | else | |
499 | { | |
500 | theCtx->WorldViewState.SetCurrent<Standard_Real> (aModViewMat); | |
501 | } | |
c827ea3a | 502 | theCtx->ApplyWorldViewMatrix(); |
b990e557 | 503 | |
ce01ec26 | 504 | if (!myIs2d) |
505 | { | |
506 | theCtx->ProjectionState.SetCurrent<Standard_Real> (aProjectMat); | |
507 | theCtx->ApplyProjectionMatrix(); | |
508 | } | |
509 | ||
8613985b | 510 | // Upload updated state to shader program |
511 | theCtx->ShaderManager()->PushState (theCtx->ActiveProgram()); | |
a174a3c5 | 512 | } |
513 | ||
514 | // ======================================================================= | |
515 | // function : drawText | |
516 | // purpose : | |
517 | // ======================================================================= | |
60273f77 | 518 | void OpenGl_Text::drawText (const Handle(OpenGl_Context)& theCtx, |
519 | const OpenGl_AspectText& theTextAspect) const | |
a174a3c5 | 520 | { |
60273f77 | 521 | (void )theTextAspect; |
7d3e64ef | 522 | if (myVertsVbo.Length() != myTextures.Length() |
523 | || myTextures.IsEmpty()) | |
2166f0fa | 524 | { |
7d3e64ef | 525 | return; |
2166f0fa | 526 | } |
7d3e64ef | 527 | |
528 | for (Standard_Integer anIter = 0; anIter < myTextures.Length(); ++anIter) | |
a174a3c5 | 529 | { |
7d3e64ef | 530 | const GLuint aTexId = myTextures.Value (anIter); |
531 | glBindTexture (GL_TEXTURE_2D, aTexId); | |
a174a3c5 | 532 | |
7d3e64ef | 533 | const Handle(OpenGl_VertexBuffer)& aVerts = myVertsVbo.Value (anIter); |
534 | const Handle(OpenGl_VertexBuffer)& aTCrds = myTCrdsVbo.Value (anIter); | |
535 | aVerts->BindAttribute (theCtx, Graphic3d_TOA_POS); | |
536 | aTCrds->BindAttribute (theCtx, Graphic3d_TOA_UV); | |
2166f0fa | 537 | |
7d3e64ef | 538 | glDrawArrays (GL_TRIANGLES, 0, GLsizei(aVerts->GetElemsNb())); |
2166f0fa | 539 | |
b990e557 | 540 | aTCrds->UnbindAttribute (theCtx, Graphic3d_TOA_UV); |
7d3e64ef | 541 | aVerts->UnbindAttribute (theCtx, Graphic3d_TOA_POS); |
a174a3c5 | 542 | } |
7d3e64ef | 543 | glBindTexture (GL_TEXTURE_2D, 0); |
a174a3c5 | 544 | } |
2166f0fa | 545 | |
a174a3c5 | 546 | // ======================================================================= |
547 | // function : FontKey | |
548 | // purpose : | |
549 | // ======================================================================= | |
550 | TCollection_AsciiString OpenGl_Text::FontKey (const OpenGl_AspectText& theAspect, | |
4b1c8733 | 551 | const Standard_Integer theHeight, |
552 | const unsigned int theResolution) | |
a174a3c5 | 553 | { |
b6472664 | 554 | const Font_FontAspect anAspect = theAspect.Aspect()->GetTextFontAspect() != Font_FA_Undefined |
555 | ? theAspect.Aspect()->GetTextFontAspect() | |
556 | : Font_FA_Regular; | |
557 | return theAspect.Aspect()->Font() | |
a174a3c5 | 558 | + TCollection_AsciiString(":") + Standard_Integer(anAspect) |
4b1c8733 | 559 | + TCollection_AsciiString(":") + Standard_Integer(theResolution) |
a174a3c5 | 560 | + TCollection_AsciiString(":") + theHeight; |
561 | } | |
562 | ||
563 | // ======================================================================= | |
564 | // function : FindFont | |
565 | // purpose : | |
566 | // ======================================================================= | |
567 | Handle(OpenGl_Font) OpenGl_Text::FindFont (const Handle(OpenGl_Context)& theCtx, | |
568 | const OpenGl_AspectText& theAspect, | |
569 | const Standard_Integer theHeight, | |
4b1c8733 | 570 | const unsigned int theResolution, |
a174a3c5 | 571 | const TCollection_AsciiString theKey) |
572 | { | |
573 | Handle(OpenGl_Font) aFont; | |
574 | if (theHeight < 2) | |
2166f0fa | 575 | { |
a174a3c5 | 576 | return aFont; // invalid parameters |
577 | } | |
2166f0fa | 578 | |
a174a3c5 | 579 | if (!theCtx->GetResource (theKey, aFont)) |
580 | { | |
581 | Handle(Font_FontMgr) aFontMgr = Font_FontMgr::GetInstance(); | |
5b377041 | 582 | const TCollection_AsciiString& aFontName = theAspect.Aspect()->Font(); |
583 | Font_FontAspect anAspect = theAspect.Aspect()->GetTextFontAspect() != Font_FA_Undefined | |
584 | ? theAspect.Aspect()->GetTextFontAspect() | |
585 | : Font_FA_Regular; | |
65360da3 | 586 | Handle(Font_FTFont) aFontFt; |
5b377041 | 587 | if (Handle(Font_SystemFont) aRequestedFont = aFontMgr->FindFont (aFontName, anAspect)) |
2166f0fa | 588 | { |
f9801cf9 | 589 | aFontFt = new Font_FTFont (Handle(Font_FTLibrary)()); |
317d68c9 | 590 | |
5b377041 | 591 | if (aFontFt->Init (aRequestedFont->FontPathAny (anAspect).ToCString(), theHeight, theResolution)) |
65360da3 | 592 | { |
593 | aFont = new OpenGl_Font (aFontFt, theKey); | |
594 | if (!aFont->Init (theCtx)) | |
595 | { | |
596 | TCollection_ExtendedString aMsg; | |
597 | aMsg += "Font '"; | |
b6472664 | 598 | aMsg += theAspect.Aspect()->Font(); |
65360da3 | 599 | aMsg += "' - initialization of GL resources has failed!"; |
3b523c4c | 600 | theCtx->PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_ERROR, 0, GL_DEBUG_SEVERITY_HIGH, aMsg); |
65360da3 | 601 | aFontFt.Nullify(); |
c6ad5e5f | 602 | aFont->Release (theCtx.operator->()); |
65360da3 | 603 | aFont = new OpenGl_Font (aFontFt, theKey); |
604 | } | |
605 | } | |
606 | else | |
607 | { | |
608 | TCollection_ExtendedString aMsg; | |
609 | aMsg += "Font '"; | |
b6472664 | 610 | aMsg += theAspect.Aspect()->Font(); |
65360da3 | 611 | aMsg += "' is broken or has incompatible format! File path: "; |
5b377041 | 612 | aMsg += aRequestedFont->FontPathAny (anAspect); |
3b523c4c | 613 | theCtx->PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_ERROR, 0, GL_DEBUG_SEVERITY_HIGH, aMsg); |
65360da3 | 614 | aFontFt.Nullify(); |
615 | aFont = new OpenGl_Font (aFontFt, theKey); | |
616 | } | |
a174a3c5 | 617 | } |
65360da3 | 618 | else |
a174a3c5 | 619 | { |
65360da3 | 620 | TCollection_ExtendedString aMsg; |
621 | aMsg += "Font '"; | |
b6472664 | 622 | aMsg += theAspect.Aspect()->Font(); |
65360da3 | 623 | aMsg += "' is not found in the system!"; |
3b523c4c | 624 | theCtx->PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_ERROR, 0, GL_DEBUG_SEVERITY_HIGH, aMsg); |
65360da3 | 625 | aFont = new OpenGl_Font (aFontFt, theKey); |
a174a3c5 | 626 | } |
a174a3c5 | 627 | |
b34efb62 | 628 | theCtx->ShareResource (theKey, aFont); |
a174a3c5 | 629 | } |
630 | return aFont; | |
631 | } | |
632 | ||
6fe58c66 | 633 | // ======================================================================= |
634 | // function : drawRect | |
635 | // purpose : | |
636 | // ======================================================================= | |
637 | void OpenGl_Text::drawRect (const Handle(OpenGl_Context)& theCtx, | |
638 | const OpenGl_AspectText& theTextAspect, | |
639 | const OpenGl_Vec4& theColorSubs) const | |
640 | { | |
641 | Handle(OpenGl_ShaderProgram) aPrevProgram = theCtx->ActiveProgram(); | |
642 | if (myBndVertsVbo.IsNull()) | |
643 | { | |
644 | OpenGl_Vec2 aQuad[4] = | |
645 | { | |
646 | OpenGl_Vec2(myBndBox.Right, myBndBox.Bottom), | |
647 | OpenGl_Vec2(myBndBox.Right, myBndBox.Top), | |
648 | OpenGl_Vec2(myBndBox.Left, myBndBox.Bottom), | |
649 | OpenGl_Vec2(myBndBox.Left, myBndBox.Top) | |
650 | }; | |
048e1b3b | 651 | if (theCtx->ToUseVbo()) |
652 | { | |
653 | myBndVertsVbo = new OpenGl_VertexBuffer(); | |
654 | } | |
655 | else | |
656 | { | |
657 | myBndVertsVbo = new OpenGl_VertexBufferCompat(); | |
658 | } | |
6fe58c66 | 659 | myBndVertsVbo->Init (theCtx, 2, 4, aQuad[0].GetData()); |
660 | } | |
661 | ||
c40eb6b9 | 662 | // bind unlit program |
663 | theCtx->ShaderManager()->BindFaceProgram (Handle(OpenGl_TextureSet)(), Graphic3d_TOSM_UNLIT, | |
664 | Graphic3d_AlphaMode_Opaque, Standard_False, Standard_False, | |
665 | Handle(OpenGl_ShaderProgram)()); | |
8613985b | 666 | |
6fe58c66 | 667 | #if !defined(GL_ES_VERSION_2_0) |
668 | if (theCtx->core11 != NULL | |
669 | && theCtx->ActiveProgram().IsNull()) | |
670 | { | |
671 | glBindTexture (GL_TEXTURE_2D, 0); | |
672 | } | |
673 | #endif | |
674 | theCtx->SetColor4fv (theColorSubs); | |
8d1a539c | 675 | setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (0.0f, 0.0f, 0.0f)); |
6fe58c66 | 676 | myBndVertsVbo->BindAttribute (theCtx, Graphic3d_TOA_POS); |
677 | ||
678 | theCtx->core20fwd->glDrawArrays (GL_TRIANGLE_STRIP, 0, 4); | |
679 | ||
680 | myBndVertsVbo->UnbindAttribute (theCtx, Graphic3d_TOA_POS); | |
681 | theCtx->BindProgram (aPrevProgram); | |
682 | } | |
683 | ||
a174a3c5 | 684 | // ======================================================================= |
685 | // function : render | |
686 | // purpose : | |
687 | // ======================================================================= | |
60273f77 | 688 | void OpenGl_Text::render (const Handle(OpenGl_Context)& theCtx, |
689 | const OpenGl_AspectText& theTextAspect, | |
690 | const OpenGl_Vec4& theColorText, | |
691 | const OpenGl_Vec4& theColorSubs, | |
692 | const unsigned int theResolution) const | |
a174a3c5 | 693 | { |
694 | if (myString.IsEmpty()) | |
695 | { | |
696 | return; | |
697 | } | |
698 | ||
4b1c8733 | 699 | // Note that using difference resolution in different Views in same Viewer |
700 | // will lead to performance regression (for example, text will be recreated every time). | |
701 | const TCollection_AsciiString aFontKey = FontKey (theTextAspect, myParams.Height, theResolution); | |
a174a3c5 | 702 | if (!myFont.IsNull() |
703 | && !myFont->ResourceKey().IsEqual (aFontKey)) | |
704 | { | |
705 | // font changed | |
10b9c7df | 706 | const_cast<OpenGl_Text* > (this)->Release (theCtx.operator->()); |
a174a3c5 | 707 | } |
708 | ||
709 | if (myFont.IsNull()) | |
710 | { | |
4b1c8733 | 711 | myFont = FindFont (theCtx, theTextAspect, myParams.Height, theResolution, aFontKey); |
65360da3 | 712 | } |
713 | if (!myFont->WasInitialized()) | |
714 | { | |
715 | return; | |
a174a3c5 | 716 | } |
717 | ||
718 | if (myTextures.IsEmpty()) | |
719 | { | |
317d68c9 | 720 | Font_TextFormatter aFormatter; |
a174a3c5 | 721 | aFormatter.SetupAlignment (myParams.HAlign, myParams.VAlign); |
722 | aFormatter.Reset(); | |
317d68c9 | 723 | |
d2eddacc | 724 | aFormatter.Append (myString, *myFont->FTFont().operator->()); |
a174a3c5 | 725 | aFormatter.Format(); |
726 | ||
317d68c9 | 727 | OpenGl_TextBuilder aBuilder; |
728 | aBuilder.Perform (aFormatter, | |
729 | theCtx, | |
730 | *myFont.operator->(), | |
731 | myTextures, | |
732 | myVertsVbo, | |
733 | myTCrdsVbo); | |
734 | ||
a174a3c5 | 735 | aFormatter.BndBox (myBndBox); |
6fe58c66 | 736 | if (!myBndVertsVbo.IsNull()) |
737 | { | |
738 | myBndVertsVbo->Release (theCtx.get()); | |
739 | myBndVertsVbo.Nullify(); | |
740 | } | |
a174a3c5 | 741 | } |
742 | ||
743 | if (myTextures.IsEmpty()) | |
744 | { | |
745 | return; | |
746 | } | |
747 | ||
748 | myExportHeight = 1.0f; | |
749 | myScaleHeight = 1.0f; | |
750 | ||
56689b27 | 751 | theCtx->WorldViewState.Push(); |
c827ea3a | 752 | myModelMatrix.Convert (theCtx->WorldViewState.Current() * theCtx->ModelWorldState.Current()); |
753 | ||
56689b27 | 754 | const GLdouble aPointSize = (GLdouble )myFont->FTFont()->PointSize(); |
a174a3c5 | 755 | if (!myIs2d) |
756 | { | |
56689b27 | 757 | Graphic3d_TransformUtils::Project<Standard_Real> (myPoint.x(), myPoint.y(), myPoint.z(), |
758 | myModelMatrix, myProjMatrix, theCtx->Viewport(), | |
759 | myWinX, myWinY, myWinZ); | |
a174a3c5 | 760 | |
761 | // compute scale factor for constant text height | |
b6472664 | 762 | if (theTextAspect.Aspect()->GetTextZoomable()) |
a174a3c5 | 763 | { |
56689b27 | 764 | myExportHeight = aPointSize; |
765 | } | |
766 | else | |
767 | { | |
768 | Graphic3d_Vec3d aPnt1, aPnt2; | |
769 | Graphic3d_TransformUtils::UnProject<Standard_Real> (myWinX, myWinY, myWinZ, | |
770 | OpenGl_Mat4d::Map (THE_IDENTITY_MATRIX), myProjMatrix, theCtx->Viewport(), | |
771 | aPnt1.x(), aPnt1.y(), aPnt1.z()); | |
772 | Graphic3d_TransformUtils::UnProject<Standard_Real> (myWinX, myWinY + aPointSize, myWinZ, | |
773 | OpenGl_Mat4d::Map (THE_IDENTITY_MATRIX), myProjMatrix, theCtx->Viewport(), | |
774 | aPnt2.x(), aPnt2.y(), aPnt2.z()); | |
775 | myScaleHeight = (aPnt2.y() - aPnt1.y()) / aPointSize; | |
a174a3c5 | 776 | } |
777 | } | |
56689b27 | 778 | myExportHeight = aPointSize / myExportHeight; |
a174a3c5 | 779 | |
b990e557 | 780 | #if !defined(GL_ES_VERSION_2_0) |
dd1ae9df | 781 | if (theCtx->core11 != NULL |
782 | && theCtx->caps->ffpEnable) | |
65360da3 | 783 | { |
784 | glDisable (GL_LIGHTING); | |
785 | } | |
786 | #endif | |
a174a3c5 | 787 | |
788 | // setup depth test | |
8d1a539c | 789 | const bool hasDepthTest = !myIs2d |
790 | && theTextAspect.Aspect()->Style() != Aspect_TOST_ANNOTATION; | |
791 | if (!hasDepthTest) | |
a174a3c5 | 792 | { |
793 | glDisable (GL_DEPTH_TEST); | |
794 | } | |
795 | ||
65360da3 | 796 | if (theCtx->core15fwd != NULL) |
a174a3c5 | 797 | { |
65360da3 | 798 | theCtx->core15fwd->glActiveTexture (GL_TEXTURE0); |
a174a3c5 | 799 | } |
65360da3 | 800 | #if !defined(GL_ES_VERSION_2_0) |
a174a3c5 | 801 | // activate texture unit |
65360da3 | 802 | GLint aTexEnvParam = GL_REPLACE; |
803 | if (theCtx->core11 != NULL) | |
a174a3c5 | 804 | { |
65360da3 | 805 | glDisable (GL_TEXTURE_1D); |
806 | glEnable (GL_TEXTURE_2D); | |
807 | glGetTexEnviv (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, &aTexEnvParam); | |
808 | if (aTexEnvParam != GL_REPLACE) | |
809 | { | |
810 | glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); | |
811 | } | |
a174a3c5 | 812 | } |
65360da3 | 813 | #endif |
814 | ||
815 | // setup blending | |
816 | glEnable (GL_BLEND); | |
817 | glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | |
a174a3c5 | 818 | |
819 | // extra drawings | |
b6472664 | 820 | switch (theTextAspect.Aspect()->DisplayType()) |
a174a3c5 | 821 | { |
2166f0fa | 822 | case Aspect_TODT_BLEND: |
a174a3c5 | 823 | { |
65360da3 | 824 | #if !defined(GL_ES_VERSION_2_0) |
a174a3c5 | 825 | glEnable (GL_COLOR_LOGIC_OP); |
826 | glLogicOp (GL_XOR); | |
65360da3 | 827 | #endif |
2166f0fa | 828 | break; |
a174a3c5 | 829 | } |
2166f0fa SK |
830 | case Aspect_TODT_SUBTITLE: |
831 | { | |
8d1a539c | 832 | BackPolygonOffsetSentry aPolygonOffsetTmp (hasDepthTest ? theCtx : Handle(OpenGl_Context)()); |
6fe58c66 | 833 | drawRect (theCtx, theTextAspect, theColorSubs); |
2166f0fa SK |
834 | break; |
835 | } | |
2166f0fa | 836 | case Aspect_TODT_DEKALE: |
a174a3c5 | 837 | { |
8d1a539c | 838 | BackPolygonOffsetSentry aPolygonOffsetTmp (hasDepthTest ? theCtx : Handle(OpenGl_Context)()); |
b6472664 | 839 | theCtx->SetColor4fv (theColorSubs); |
8d1a539c | 840 | setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (+1.0f, +1.0f, 0.0f)); |
60273f77 | 841 | drawText (theCtx, theTextAspect); |
8d1a539c | 842 | setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (-1.0f, -1.0f, 0.0f)); |
60273f77 | 843 | drawText (theCtx, theTextAspect); |
8d1a539c | 844 | setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (-1.0f, +1.0f, 0.0f)); |
60273f77 | 845 | drawText (theCtx, theTextAspect); |
8d1a539c | 846 | setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (+1.0f, -1.0f, 0.0f)); |
60273f77 | 847 | drawText (theCtx, theTextAspect); |
a174a3c5 | 848 | break; |
849 | } | |
3cbd0a8e | 850 | case Aspect_TODT_SHADOW: |
851 | { | |
8d1a539c | 852 | BackPolygonOffsetSentry aPolygonOffsetTmp (hasDepthTest ? theCtx : Handle(OpenGl_Context)()); |
3cbd0a8e | 853 | theCtx->SetColor4fv (theColorSubs); |
8d1a539c | 854 | setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (+1.0f, -1.0f, 0.0f)); |
3cbd0a8e | 855 | drawText (theCtx, theTextAspect); |
856 | break; | |
857 | } | |
a6eb515f | 858 | case Aspect_TODT_DIMENSION: |
a174a3c5 | 859 | case Aspect_TODT_NORMAL: |
860 | { | |
2166f0fa SK |
861 | break; |
862 | } | |
863 | } | |
864 | ||
a174a3c5 | 865 | // main draw call |
b6472664 | 866 | theCtx->SetColor4fv (theColorText); |
60273f77 | 867 | setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (0.0f, 0.0f, 0.0f)); |
868 | drawText (theCtx, theTextAspect); | |
2166f0fa | 869 | |
ce01ec26 | 870 | if (!myIs2d) |
871 | { | |
872 | theCtx->ProjectionState.SetCurrent<Standard_Real> (myProjMatrix); | |
873 | theCtx->ApplyProjectionMatrix(); | |
874 | } | |
875 | ||
65360da3 | 876 | #if !defined(GL_ES_VERSION_2_0) |
877 | if (theCtx->core11 != NULL) | |
878 | { | |
879 | glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, aTexEnvParam); | |
880 | } | |
881 | #endif | |
543f0db0 | 882 | |
b6472664 | 883 | if (theTextAspect.Aspect()->DisplayType() == Aspect_TODT_DIMENSION) |
543f0db0 | 884 | { |
543f0db0 | 885 | glDisable (GL_BLEND); |
543f0db0 | 886 | if (!myIs2d) |
887 | { | |
888 | glDisable (GL_DEPTH_TEST); | |
889 | } | |
65360da3 | 890 | #if !defined(GL_ES_VERSION_2_0) |
891 | if (theCtx->core11 != NULL) | |
892 | { | |
893 | glDisable (GL_TEXTURE_2D); | |
65360da3 | 894 | } |
895 | #endif | |
f88457e6 | 896 | const bool aColorMaskBack = theCtx->SetColorMask (false); |
543f0db0 | 897 | |
898 | glClear (GL_STENCIL_BUFFER_BIT); | |
899 | glEnable (GL_STENCIL_TEST); | |
900 | glStencilFunc (GL_ALWAYS, 1, 0xFF); | |
901 | glStencilOp (GL_KEEP, GL_KEEP, GL_REPLACE); | |
902 | ||
6fe58c66 | 903 | drawRect (theCtx, theTextAspect, OpenGl_Vec4 (1.0f, 1.0f, 1.0f, 1.0f)); |
543f0db0 | 904 | |
905 | glStencilFunc (GL_ALWAYS, 0, 0xFF); | |
543f0db0 | 906 | |
f88457e6 | 907 | theCtx->SetColorMask (aColorMaskBack); |
543f0db0 | 908 | } |
909 | ||
b34efb62 | 910 | // reset OpenGL state |
911 | glDisable (GL_BLEND); | |
b34efb62 | 912 | glDisable (GL_STENCIL_TEST); |
65360da3 | 913 | #if !defined(GL_ES_VERSION_2_0) |
b34efb62 | 914 | glDisable (GL_COLOR_LOGIC_OP); |
65360da3 | 915 | #endif |
c827ea3a | 916 | |
917 | // model view matrix was modified | |
918 | theCtx->WorldViewState.Pop(); | |
919 | theCtx->ApplyModelViewMatrix(); | |
5e27df78 | 920 | } |