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b311480e | 1 | // Created on: 2011-09-20 |
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. | |
b311480e | 15 | |
c357e426 | 16 | #include <OpenGl_View.hxx> |
5f8b738e | 17 | |
c357e426 | 18 | #include <Aspect_RenderingContext.hxx> |
19 | #include <Aspect_Window.hxx> | |
20 | #include <Graphic3d_AspectFillArea3d.hxx> | |
21 | #include <Graphic3d_Texture2Dmanual.hxx> | |
22 | #include <Graphic3d_TextureEnv.hxx> | |
23 | #include <Graphic3d_Mat4d.hxx> | |
24 | #include <NCollection_Mat4.hxx> | |
bf75be98 | 25 | #include <OpenGl_Context.hxx> |
c357e426 | 26 | #include <OpenGl_FrameBuffer.hxx> |
30f0ad28 | 27 | #include <OpenGl_GlCore11.hxx> |
28 | #include <OpenGl_GraduatedTrihedron.hxx> | |
392ac980 | 29 | #include <OpenGl_GraphicDriver.hxx> |
30f0ad28 | 30 | #include <OpenGl_ShaderManager.hxx> |
bf75be98 | 31 | #include <OpenGl_Texture.hxx> |
2166f0fa | 32 | #include <OpenGl_Trihedron.hxx> |
c357e426 | 33 | #include <OpenGl_Window.hxx> |
30f0ad28 | 34 | #include <OpenGl_Workspace.hxx> |
c357e426 | 35 | #include <Standard_CLocaleSentry.hxx> |
2166f0fa | 36 | |
c357e426 | 37 | #ifdef HAVE_GL2PS |
38 | #include <gl2ps.h> | |
39 | #endif | |
2166f0fa SK |
40 | |
41 | /*----------------------------------------------------------------------*/ | |
42 | ||
f8ae3605 | 43 | namespace |
c34dba32 | 44 | { |
c357e426 | 45 | static const OPENGL_ZCLIP myDefaultZClip = { { Standard_False, 0.F }, { Standard_False, 1.F } }; |
46 | static const OPENGL_FOG myDefaultFog = { Standard_False, 0.F, 1.F, { { 0.F, 0.F, 0.F, 1.F } } }; | |
47 | static const TEL_COLOUR myDefaultBg = { { 0.F, 0.F, 0.F, 1.F } }; | |
f8ae3605 | 48 | } |
2166f0fa | 49 | |
c357e426 | 50 | // ======================================================================= |
51 | // function : Constructor | |
52 | // purpose : | |
53 | // ======================================================================= | |
54 | OpenGl_View::OpenGl_View (const Handle(Graphic3d_StructureManager)& theMgr, | |
55 | const Handle(OpenGl_GraphicDriver)& theDriver, | |
56 | const Handle(OpenGl_Caps)& theCaps, | |
57 | Standard_Boolean& theDeviceLostFlag, | |
58 | OpenGl_StateCounter* theCounter) | |
59 | : Graphic3d_CView (theMgr), | |
60 | myDriver (theDriver.operator->()), | |
61 | myCaps (theCaps), | |
62 | myDeviceLostFlag (theDeviceLostFlag), | |
63 | myWasRedrawnGL (Standard_False), | |
64 | myAntiAliasing (Standard_False), | |
65 | myCulling (Standard_True), | |
66 | myShadingModel (Graphic3d_TOSM_FACET), | |
67 | mySurfaceDetail (Graphic3d_TOD_ALL), | |
68 | myBackfacing (Graphic3d_TOBM_AUTOMATIC), | |
69 | myBgColor (myDefaultBg), | |
70 | myFog (myDefaultFog), | |
71 | myZClip (myDefaultZClip), | |
72 | myCamera (new Graphic3d_Camera()), | |
73 | myFBO (NULL), | |
74 | myUseGLLight (Standard_True), | |
75 | myToShowTrihedron (false), | |
76 | myToShowGradTrihedron (false), | |
77 | myStateCounter (theCounter), | |
0b0320e7 | 78 | myLastLightSourceState (0, 0), |
c357e426 | 79 | myFrameCounter (0), |
80 | myHasFboBlit (Standard_True), | |
81 | myTransientDrawToFront (Standard_True), | |
82 | myBackBufferRestored (Standard_False), | |
83 | myIsImmediateDrawn (Standard_False), | |
0b0320e7 | 84 | myTextureParams (new OpenGl_AspectFace()), |
85 | myBgGradientArray (new OpenGl_BackgroundArray (Graphic3d_TOB_GRADIENT)), | |
91c60b57 | 86 | myBgTextureArray (new OpenGl_BackgroundArray (Graphic3d_TOB_TEXTURE)), |
87 | // ray-tracing fields initialization | |
c357e426 | 88 | myRaytraceInitStatus (OpenGl_RT_NONE), |
89 | myIsRaytraceDataValid (Standard_False), | |
91c60b57 | 90 | myIsRaytraceWarnTextures (Standard_False), |
91 | myToUpdateEnvironmentMap (Standard_False), | |
189f85a3 | 92 | myLayerListState (0) |
2166f0fa | 93 | { |
c357e426 | 94 | myWorkspace = new OpenGl_Workspace (this, NULL); |
2166f0fa | 95 | |
c357e426 | 96 | // AA mode |
97 | const char* anAaEnv = ::getenv ("CALL_OPENGL_ANTIALIASING_MODE"); | |
98 | if (anAaEnv != NULL) | |
99 | { | |
100 | int v; | |
101 | if (sscanf (anAaEnv, "%d", &v) > 0) myAntiAliasing = v; | |
102 | } | |
103 | ||
104 | myCurrLightSourceState = myStateCounter->Increment(); | |
105 | myMainSceneFbos[0] = new OpenGl_FrameBuffer(); | |
106 | myMainSceneFbos[1] = new OpenGl_FrameBuffer(); | |
107 | myImmediateSceneFbos[0] = new OpenGl_FrameBuffer(); | |
108 | myImmediateSceneFbos[1] = new OpenGl_FrameBuffer(); | |
c357e426 | 109 | } |
110 | ||
111 | // ======================================================================= | |
112 | // function : Destructor | |
113 | // purpose : | |
114 | // ======================================================================= | |
0b0320e7 | 115 | OpenGl_View::~OpenGl_View() |
2166f0fa | 116 | { |
bf75be98 | 117 | ReleaseGlResources (NULL); // ensure ReleaseGlResources() was called within valid context |
0b0320e7 | 118 | OpenGl_Element::Destroy (NULL, myBgGradientArray); |
119 | OpenGl_Element::Destroy (NULL, myBgTextureArray); | |
120 | OpenGl_Element::Destroy (NULL, myTextureParams); | |
bf75be98 | 121 | } |
122 | ||
c357e426 | 123 | // ======================================================================= |
124 | // function : ReleaseGlResources | |
125 | // purpose : | |
126 | // ======================================================================= | |
bf75be98 | 127 | void OpenGl_View::ReleaseGlResources (const Handle(OpenGl_Context)& theCtx) |
128 | { | |
536d98e2 | 129 | myTrihedron .Release (theCtx.operator->()); |
130 | myGraduatedTrihedron.Release (theCtx.operator->()); | |
30f0ad28 | 131 | |
bf75be98 | 132 | if (!myTextureEnv.IsNull()) |
133 | { | |
134 | theCtx->DelayedRelease (myTextureEnv); | |
135 | myTextureEnv.Nullify(); | |
136 | } | |
0b0320e7 | 137 | |
138 | if (myTextureParams != NULL) | |
139 | { | |
140 | myTextureParams->Release (theCtx.operator->()); | |
141 | } | |
142 | if (myBgGradientArray != NULL) | |
143 | { | |
144 | myBgGradientArray->Release (theCtx.operator->()); | |
145 | } | |
146 | if (myBgTextureArray != NULL) | |
bf75be98 | 147 | { |
0b0320e7 | 148 | myBgTextureArray->Release (theCtx.operator->()); |
bf75be98 | 149 | } |
91c60b57 | 150 | |
c357e426 | 151 | myMainSceneFbos[0] ->Release (theCtx.operator->()); |
152 | myMainSceneFbos[1] ->Release (theCtx.operator->()); | |
153 | myImmediateSceneFbos[0]->Release (theCtx.operator->()); | |
154 | myImmediateSceneFbos[1]->Release (theCtx.operator->()); | |
155 | myFullScreenQuad .Release (theCtx.operator->()); | |
156 | myFullScreenQuadFlip .Release (theCtx.operator->()); | |
157 | ||
91c60b57 | 158 | releaseRaytraceResources (theCtx); |
bf75be98 | 159 | } |
2166f0fa | 160 | |
c357e426 | 161 | // ======================================================================= |
162 | // function : Remove | |
163 | // purpose : | |
164 | // ======================================================================= | |
165 | void OpenGl_View::Remove() | |
bf75be98 | 166 | { |
c357e426 | 167 | if (IsRemoved()) |
bf75be98 | 168 | { |
c357e426 | 169 | return; |
bf75be98 | 170 | } |
171 | ||
c357e426 | 172 | myDriver->RemoveView (this); |
173 | myWindow.Nullify(); | |
174 | ||
175 | Graphic3d_CView::Remove(); | |
176 | } | |
177 | ||
178 | // ======================================================================= | |
179 | // function : SetTextureEnv | |
180 | // purpose : | |
181 | // ======================================================================= | |
182 | void OpenGl_View::SetTextureEnv (const Handle(Graphic3d_TextureEnv)& theTextureEnv) | |
183 | { | |
184 | Handle(OpenGl_Context) aCtx = myWorkspace->GetGlContext(); | |
185 | if (!aCtx.IsNull() && !myTextureEnv.IsNull()) | |
186 | { | |
187 | aCtx->DelayedRelease (myTextureEnv); | |
188 | } | |
189 | ||
190 | myToUpdateEnvironmentMap = Standard_True; | |
191 | myTextureEnvData = theTextureEnv; | |
192 | myTextureEnv.Nullify(); | |
193 | initTextureEnv (aCtx); | |
194 | } | |
195 | ||
196 | // ======================================================================= | |
197 | // function : initTextureEnv | |
198 | // purpose : | |
199 | // ======================================================================= | |
200 | void OpenGl_View::initTextureEnv (const Handle(OpenGl_Context)& theContext) | |
201 | { | |
202 | if (myTextureEnvData.IsNull() | |
203 | || theContext.IsNull() | |
204 | || !theContext->MakeCurrent()) | |
bf75be98 | 205 | { |
206 | return; | |
207 | } | |
208 | ||
c357e426 | 209 | myTextureEnv = new OpenGl_Texture (myTextureEnvData->GetParams()); |
210 | Handle(Image_PixMap) anImage = myTextureEnvData->GetImage(); | |
e276548b | 211 | if (!anImage.IsNull()) |
c357e426 | 212 | { |
213 | myTextureEnv->Init (theContext, *anImage.operator->(), myTextureEnvData->Type()); | |
214 | } | |
215 | } | |
e276548b | 216 | |
c357e426 | 217 | // ======================================================================= |
218 | // function : SetImmediateModeDrawToFront | |
219 | // purpose : | |
220 | // ======================================================================= | |
221 | Standard_Boolean OpenGl_View::SetImmediateModeDrawToFront (const Standard_Boolean theDrawToFrontBuffer) | |
222 | { | |
223 | const Standard_Boolean aPrevMode = myTransientDrawToFront; | |
224 | myTransientDrawToFront = theDrawToFrontBuffer; | |
225 | return aPrevMode; | |
e276548b | 226 | } |
227 | ||
c357e426 | 228 | // ======================================================================= |
229 | // function : SetWindow | |
230 | // purpose : | |
231 | // ======================================================================= | |
232 | void OpenGl_View::SetWindow (const Handle(Aspect_Window)& theWindow, | |
a521d90d | 233 | const Aspect_RenderingContext theContext) |
e276548b | 234 | { |
c357e426 | 235 | myWindow = myDriver->CreateRenderWindow (theWindow, theContext); |
236 | Standard_ASSERT_RAISE (!myWindow.IsNull(), | |
237 | "OpenGl_View::SetWindow, " | |
238 | "Failed to create OpenGl window."); | |
e276548b | 239 | |
c357e426 | 240 | myWorkspace = new OpenGl_Workspace (this, myWindow); |
241 | myWorldViewProjState.Reset(); | |
91c60b57 | 242 | myToUpdateEnvironmentMap = Standard_True; |
c357e426 | 243 | myHasFboBlit = Standard_True; |
244 | Invalidate(); | |
245 | ||
246 | // Environment texture resource does not support lazy initialization. | |
247 | initTextureEnv (myWorkspace->GetGlContext()); | |
248 | } | |
249 | ||
250 | // ======================================================================= | |
251 | // function : Resized | |
252 | // purpose : | |
253 | // ======================================================================= | |
254 | void OpenGl_View::Resized() | |
255 | { | |
256 | if (myWindow.IsNull()) | |
257 | return; | |
258 | ||
259 | myWindow->Resize(); | |
260 | } | |
261 | ||
262 | // ======================================================================= | |
263 | // function : TriedronDisplay | |
264 | // purpose : | |
265 | // ======================================================================= | |
266 | void OpenGl_View::TriedronDisplay (const Aspect_TypeOfTriedronPosition thePosition, | |
267 | const Quantity_NameOfColor theColor, | |
268 | const Standard_Real theScale, | |
269 | const Standard_Boolean theAsWireframe) | |
270 | { | |
271 | myToShowTrihedron = true; | |
272 | myTrihedron.SetWireframe (theAsWireframe); | |
273 | myTrihedron.SetPosition (thePosition); | |
274 | myTrihedron.SetScale (theScale); | |
275 | myTrihedron.SetLabelsColor (theColor); | |
2166f0fa SK |
276 | } |
277 | ||
12381341 | 278 | // ======================================================================= |
c357e426 | 279 | // function : TriedronErase |
12381341 | 280 | // purpose : |
281 | // ======================================================================= | |
c357e426 | 282 | void OpenGl_View::TriedronErase() |
2166f0fa | 283 | { |
c357e426 | 284 | myToShowTrihedron = false; |
285 | myTrihedron.Release (myWorkspace->GetGlContext().operator->()); | |
286 | } | |
287 | ||
288 | // ======================================================================= | |
289 | // function : ZBufferTriedronSetup | |
290 | // purpose : | |
291 | // ======================================================================= | |
292 | void OpenGl_View::ZBufferTriedronSetup (const Quantity_NameOfColor theXColor, | |
293 | const Quantity_NameOfColor theYColor, | |
294 | const Quantity_NameOfColor theZColor, | |
295 | const Standard_Real theSizeRatio, | |
296 | const Standard_Real theAxisDiametr, | |
297 | const Standard_Integer theNbFacettes) | |
298 | { | |
299 | myTrihedron.SetArrowsColors (theXColor, theYColor, theZColor); | |
300 | myTrihedron.SetSizeRatio (theSizeRatio); | |
301 | myTrihedron.SetNbFacets (theNbFacettes); | |
302 | myTrihedron.SetArrowDiameter (theAxisDiametr); | |
2166f0fa SK |
303 | } |
304 | ||
12381341 | 305 | // ======================================================================= |
c357e426 | 306 | // function : TriedronEcho |
12381341 | 307 | // purpose : |
308 | // ======================================================================= | |
c357e426 | 309 | void OpenGl_View::TriedronEcho (const Aspect_TypeOfTriedronEcho /*theType*/) |
2166f0fa | 310 | { |
c357e426 | 311 | // do nothing |
312 | } | |
313 | ||
314 | // ======================================================================= | |
315 | // function : SetMinMaxValuesCallback | |
316 | // purpose : | |
317 | // ======================================================================= | |
318 | static void SetMinMaxValuesCallback (Graphic3d_CView* theView) | |
319 | { | |
320 | OpenGl_View* aView = dynamic_cast<OpenGl_View*>(theView); | |
321 | if (aView == NULL) | |
322 | return; | |
323 | ||
324 | Bnd_Box aBox = theView->MinMaxValues(); | |
325 | if (!aBox.IsVoid()) | |
2166f0fa | 326 | { |
c357e426 | 327 | gp_Pnt aMin = aBox.CornerMin(); |
328 | gp_Pnt aMax = aBox.CornerMax(); | |
329 | ||
330 | Graphic3d_Vec3 aMinVec ((Standard_ShortReal )aMin.X(), (Standard_ShortReal )aMin.Y(), (Standard_ShortReal )aMin.Z()); | |
331 | Graphic3d_Vec3 aMaxVec ((Standard_ShortReal )aMax.X(), (Standard_ShortReal )aMax.Y(), (Standard_ShortReal )aMax.Z()); | |
332 | aView->GraduatedTrihedronMinMaxValues (aMinVec, aMaxVec); | |
2166f0fa SK |
333 | } |
334 | } | |
335 | ||
c357e426 | 336 | // ======================================================================= |
337 | // function : GraduatedTrihedronDisplay | |
338 | // purpose : | |
339 | // ======================================================================= | |
340 | void OpenGl_View::GraduatedTrihedronDisplay (const Graphic3d_GraduatedTrihedron& theTrihedronData) | |
341 | { | |
342 | myGTrihedronData = theTrihedronData; | |
343 | myGTrihedronData.PtrView = this; | |
344 | myGTrihedronData.CubicAxesCallback = SetMinMaxValuesCallback; | |
345 | myGraduatedTrihedron.SetValues (myGTrihedronData); | |
346 | myToShowGradTrihedron = true; | |
347 | } | |
2166f0fa | 348 | |
c357e426 | 349 | // ======================================================================= |
350 | // function : GraduatedTrihedronErase | |
351 | // purpose : | |
352 | // ======================================================================= | |
353 | void OpenGl_View::GraduatedTrihedronErase() | |
2166f0fa | 354 | { |
c357e426 | 355 | myGTrihedronData.PtrView = NULL; |
356 | myGraduatedTrihedron.Release (myWorkspace->GetGlContext().operator->()); | |
357 | myToShowGradTrihedron = false; | |
2166f0fa SK |
358 | } |
359 | ||
c357e426 | 360 | // ======================================================================= |
361 | // function : GraduatedTrihedronMinMaxValues | |
362 | // purpose : | |
363 | // ======================================================================= | |
364 | void OpenGl_View::GraduatedTrihedronMinMaxValues (const Graphic3d_Vec3 theMin, const Graphic3d_Vec3 theMax) | |
365 | { | |
366 | myGraduatedTrihedron.SetMinMax (theMin, theMax); | |
367 | } | |
2166f0fa | 368 | |
c357e426 | 369 | // ======================================================================= |
370 | // function : BufferDump | |
371 | // purpose : | |
372 | // ======================================================================= | |
373 | Standard_Boolean OpenGl_View::BufferDump (Image_PixMap& theImage, const Graphic3d_BufferType& theBufferType) | |
374 | { | |
375 | return myWorkspace->BufferDump (myFBO, theImage, theBufferType); | |
376 | } | |
377 | ||
378 | // ======================================================================= | |
379 | // function : Background | |
380 | // purpose : | |
381 | // ======================================================================= | |
382 | Aspect_Background OpenGl_View::Background() const | |
383 | { | |
384 | return Aspect_Background (Quantity_Color (myBgColor.rgb[0], myBgColor.rgb[1], myBgColor.rgb[2], Quantity_TOC_RGB)); | |
385 | } | |
386 | ||
387 | // ======================================================================= | |
388 | // function : SetBackground | |
389 | // purpose : | |
390 | // ======================================================================= | |
391 | void OpenGl_View::SetBackground (const Aspect_Background& theBackground) | |
392 | { | |
393 | Quantity_Color aBgColor = theBackground.Color(); | |
394 | myBgColor.rgb[0] = static_cast<float> (aBgColor.Red()); | |
395 | myBgColor.rgb[1] = static_cast<float> (aBgColor.Green()); | |
396 | myBgColor.rgb[2] = static_cast<float> (aBgColor.Blue()); | |
397 | myFog.Color = myBgColor; | |
398 | } | |
399 | ||
400 | // ======================================================================= | |
401 | // function : GradientBackground | |
402 | // purpose : | |
403 | // ======================================================================= | |
404 | Aspect_GradientBackground OpenGl_View::GradientBackground() const | |
405 | { | |
406 | Quantity_Color aColor1, aColor2; | |
407 | aColor1.SetValues (myBgGradientArray->GradientColor (0).r(), | |
408 | myBgGradientArray->GradientColor (0).g(), | |
409 | myBgGradientArray->GradientColor (0).b(), Quantity_TOC_RGB); | |
410 | aColor2.SetValues (myBgGradientArray->GradientColor (1).r(), | |
411 | myBgGradientArray->GradientColor (1).g(), | |
412 | myBgGradientArray->GradientColor (1).b(), Quantity_TOC_RGB); | |
413 | return Aspect_GradientBackground (aColor1, aColor2, myBgGradientArray->GradientFillMethod()); | |
414 | } | |
2166f0fa | 415 | |
c357e426 | 416 | // ======================================================================= |
417 | // function : SetGradientBackground | |
418 | // purpose : | |
419 | // ======================================================================= | |
420 | void OpenGl_View::SetGradientBackground (const Aspect_GradientBackground& theBackground) | |
2166f0fa | 421 | { |
c357e426 | 422 | Quantity_Color aColor1, aColor2; |
423 | theBackground.Colors (aColor1, aColor2); | |
424 | myBgGradientArray->SetGradientParameters (aColor1, aColor2, theBackground.BgGradientFillMethod()); | |
425 | } | |
426 | ||
427 | // ======================================================================= | |
428 | // function : SetBackgroundImage | |
429 | // purpose : | |
430 | // ======================================================================= | |
431 | void OpenGl_View::SetBackgroundImage (const TCollection_AsciiString& theFilePath) | |
432 | { | |
433 | // Prepare aspect for texture storage | |
434 | myBackgroundImagePath = theFilePath; | |
435 | Handle(Graphic3d_AspectFillArea3d) anAspect = new Graphic3d_AspectFillArea3d(); | |
436 | Handle(Graphic3d_Texture2Dmanual) aTextureMap = new Graphic3d_Texture2Dmanual (TCollection_AsciiString (theFilePath)); | |
437 | aTextureMap->EnableRepeat(); | |
438 | aTextureMap->DisableModulate(); | |
439 | aTextureMap->GetParams()->SetGenMode (Graphic3d_TOTM_MANUAL, | |
440 | Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f), | |
441 | Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f)); | |
442 | anAspect->SetTextureMap (aTextureMap); | |
443 | anAspect->SetInteriorStyle (Aspect_IS_SOLID); | |
444 | // Enable texture mapping | |
445 | if (aTextureMap->IsDone()) | |
2166f0fa | 446 | { |
c357e426 | 447 | anAspect->SetTextureMapOn(); |
2166f0fa SK |
448 | } |
449 | else | |
450 | { | |
c357e426 | 451 | anAspect->SetTextureMapOff(); |
452 | return; | |
453 | } | |
2166f0fa | 454 | |
c357e426 | 455 | // Set texture parameters |
456 | myTextureParams->SetAspect (anAspect); | |
457 | } | |
2166f0fa | 458 | |
c357e426 | 459 | // ======================================================================= |
460 | // function : BackgroundImageStyle | |
461 | // purpose : | |
462 | // ======================================================================= | |
463 | Aspect_FillMethod OpenGl_View::BackgroundImageStyle() const | |
464 | { | |
465 | return myBgTextureArray->TextureFillMethod(); | |
2166f0fa SK |
466 | } |
467 | ||
c357e426 | 468 | // ======================================================================= |
469 | // function : SetBackgroundImageStyle | |
470 | // purpose : | |
471 | // ======================================================================= | |
472 | void OpenGl_View::SetBackgroundImageStyle (const Aspect_FillMethod theFillStyle) | |
473 | { | |
474 | myBgTextureArray->SetTextureFillMethod (theFillStyle); | |
475 | } | |
2166f0fa | 476 | |
c357e426 | 477 | //======================================================================= |
478 | //function : AddZLayer | |
479 | //purpose : | |
480 | //======================================================================= | |
481 | void OpenGl_View::AddZLayer (const Graphic3d_ZLayerId theLayerId) | |
2166f0fa | 482 | { |
c357e426 | 483 | myZLayers.AddLayer (theLayerId); |
2166f0fa SK |
484 | } |
485 | ||
c357e426 | 486 | //======================================================================= |
487 | //function : RemoveZLayer | |
488 | //purpose : | |
489 | //======================================================================= | |
490 | void OpenGl_View::RemoveZLayer (const Graphic3d_ZLayerId theLayerId) | |
491 | { | |
492 | myZLayers.RemoveLayer (theLayerId); | |
493 | } | |
2166f0fa | 494 | |
c357e426 | 495 | //======================================================================= |
496 | //function : SetZLayerSettings | |
497 | //purpose : | |
498 | //======================================================================= | |
499 | void OpenGl_View::SetZLayerSettings (const Graphic3d_ZLayerId theLayerId, | |
500 | const Graphic3d_ZLayerSettings& theSettings) | |
2166f0fa | 501 | { |
c357e426 | 502 | myZLayers.SetLayerSettings (theLayerId, theSettings); |
2166f0fa SK |
503 | } |
504 | ||
c357e426 | 505 | //======================================================================= |
506 | //function : FBO | |
507 | //purpose : | |
508 | //======================================================================= | |
509 | Graphic3d_PtrFrameBuffer OpenGl_View::FBO() const | |
510 | { | |
511 | return reinterpret_cast<Graphic3d_PtrFrameBuffer> (myFBO); | |
512 | } | |
2166f0fa | 513 | |
c357e426 | 514 | //======================================================================= |
515 | //function : SetFBO | |
516 | //purpose : | |
517 | //======================================================================= | |
518 | void OpenGl_View::SetFBO (const Graphic3d_PtrFrameBuffer theFBO) | |
2166f0fa | 519 | { |
c357e426 | 520 | myFBO = reinterpret_cast<OpenGl_FrameBuffer*> (theFBO); |
2166f0fa SK |
521 | } |
522 | ||
c357e426 | 523 | //======================================================================= |
524 | //function : FBOCreate | |
525 | //purpose : | |
526 | //======================================================================= | |
527 | Graphic3d_PtrFrameBuffer OpenGl_View::FBOCreate (const Standard_Integer theWidth, | |
528 | const Standard_Integer theHeight) | |
529 | { | |
530 | return myWorkspace->FBOCreate (theWidth, theHeight); | |
531 | } | |
2166f0fa | 532 | |
c357e426 | 533 | //======================================================================= |
534 | //function : FBORelease | |
535 | //purpose : | |
536 | //======================================================================= | |
537 | void OpenGl_View::FBORelease (Graphic3d_PtrFrameBuffer& theFBOPtr) | |
2166f0fa | 538 | { |
c357e426 | 539 | myWorkspace->FBORelease (theFBOPtr); |
540 | } | |
541 | ||
542 | //======================================================================= | |
543 | //function : FBOGetDimensions | |
544 | //purpose : | |
545 | //======================================================================= | |
546 | void OpenGl_View::FBOGetDimensions (const Graphic3d_PtrFrameBuffer theFBOPtr, | |
547 | Standard_Integer& theWidth, | |
548 | Standard_Integer& theHeight, | |
549 | Standard_Integer& theWidthMax, | |
550 | Standard_Integer& theHeightMax) | |
551 | { | |
552 | const OpenGl_FrameBuffer* aFrameBuffer = (const OpenGl_FrameBuffer* )theFBOPtr; | |
553 | theWidth = aFrameBuffer->GetVPSizeX(); // current viewport size | |
554 | theHeight = aFrameBuffer->GetVPSizeY(); | |
555 | theWidthMax = aFrameBuffer->GetSizeX(); // texture size | |
556 | theHeightMax = aFrameBuffer->GetSizeY(); | |
557 | } | |
558 | ||
559 | //======================================================================= | |
560 | //function : FBOChangeViewport | |
561 | //purpose : | |
562 | //======================================================================= | |
563 | void OpenGl_View::FBOChangeViewport (Graphic3d_PtrFrameBuffer& theFBOPtr, | |
564 | const Standard_Integer theWidth, | |
565 | const Standard_Integer theHeight) | |
566 | { | |
567 | OpenGl_FrameBuffer* aFrameBuffer = (OpenGl_FrameBuffer* )theFBOPtr; | |
568 | aFrameBuffer->ChangeViewport (theWidth, theHeight); | |
569 | } | |
570 | ||
571 | // ======================================================================= | |
572 | // function : Export | |
573 | // purpose : | |
574 | // ======================================================================= | |
575 | #ifdef HAVE_GL2PS | |
576 | Standard_Boolean OpenGl_View::Export (const Standard_CString theFileName, | |
577 | const Graphic3d_ExportFormat theFormat, | |
578 | const Graphic3d_SortType theSortType) | |
579 | { | |
580 | // gl2psBeginPage() will call OpenGL functions | |
581 | // so we should activate correct GL context before redraw scene call | |
582 | if (!myWorkspace->Activate()) | |
583 | { | |
584 | return Standard_False; | |
585 | } | |
586 | ||
587 | Standard_Integer aFormat = -1; | |
588 | Standard_Integer aSortType = Graphic3d_ST_BSP_Tree; | |
589 | switch (theFormat) | |
590 | { | |
591 | case Graphic3d_EF_PostScript: | |
592 | aFormat = GL2PS_PS; | |
593 | break; | |
594 | case Graphic3d_EF_EnhPostScript: | |
595 | aFormat = GL2PS_EPS; | |
596 | break; | |
597 | case Graphic3d_EF_TEX: | |
598 | aFormat = GL2PS_TEX; | |
599 | break; | |
600 | case Graphic3d_EF_PDF: | |
601 | aFormat = GL2PS_PDF; | |
602 | break; | |
603 | case Graphic3d_EF_SVG: | |
604 | aFormat = GL2PS_SVG; | |
605 | break; | |
606 | case Graphic3d_EF_PGF: | |
607 | aFormat = GL2PS_PGF; | |
608 | break; | |
609 | case Graphic3d_EF_EMF: | |
610 | //aFormat = GL2PS_EMF; | |
611 | aFormat = GL2PS_PGF + 1; // 6 | |
612 | break; | |
613 | default: | |
614 | // unsupported format | |
615 | return Standard_False; | |
616 | } | |
617 | ||
618 | switch (theSortType) | |
619 | { | |
620 | case Graphic3d_ST_Simple: | |
621 | aSortType = GL2PS_SIMPLE_SORT; | |
622 | break; | |
623 | case Graphic3d_ST_BSP_Tree: | |
624 | aSortType = GL2PS_BSP_SORT; | |
625 | break; | |
626 | } | |
627 | ||
628 | GLint aViewport[4]; | |
629 | aViewport[0] = 0; | |
630 | aViewport[1] = 0; | |
631 | aViewport[2] = myWindow->Width(); | |
632 | aViewport[3] = myWindow->Height(); | |
633 | ||
634 | GLint aBufferSize = 1024 * 1024; | |
635 | GLint anErrCode = GL2PS_SUCCESS; | |
636 | ||
637 | // gl2ps uses standard write functions and do not check locale | |
638 | Standard_CLocaleSentry aLocaleSentry; | |
639 | ||
640 | while (aBufferSize > 0) | |
641 | { | |
642 | // current patch for EMF support in gl2ps uses WinAPI functions to create file | |
643 | FILE* aFileH = (theFormat != Graphic3d_EF_EMF) ? fopen (theFileName, "wb") : NULL; | |
644 | anErrCode = gl2psBeginPage ("", "", aViewport, aFormat, aSortType, | |
645 | GL2PS_DRAW_BACKGROUND | GL2PS_OCCLUSION_CULL | GL2PS_BEST_ROOT/* | GL2PS_SIMPLE_LINE_OFFSET*/, | |
646 | GL_RGBA, 0, NULL, | |
647 | 0, 0, 0, aBufferSize, aFileH, theFileName); | |
648 | if (anErrCode != GL2PS_SUCCESS) | |
649 | { | |
650 | // initialization failed | |
651 | if (aFileH != NULL) | |
652 | fclose (aFileH); | |
653 | break; | |
654 | } | |
655 | Redraw(); | |
656 | ||
657 | anErrCode = gl2psEndPage(); | |
658 | if (aFileH != NULL) | |
659 | fclose (aFileH); | |
660 | ||
661 | if (anErrCode == GL2PS_OVERFLOW) | |
662 | aBufferSize *= 2; | |
663 | else | |
664 | break; | |
665 | } | |
666 | return anErrCode == GL2PS_SUCCESS; | |
667 | } | |
668 | #else | |
669 | Standard_Boolean OpenGl_View::Export (const Standard_CString /*theFileName*/, | |
670 | const Graphic3d_ExportFormat /*theFormat*/, | |
671 | const Graphic3d_SortType /*theSortType*/) | |
672 | { | |
673 | return Standard_False; | |
674 | } | |
675 | #endif | |
676 | ||
677 | //======================================================================= | |
678 | //function : displayStructure | |
679 | //purpose : | |
680 | //======================================================================= | |
681 | void OpenGl_View::displayStructure (const Handle(Graphic3d_CStructure)& theStructure, | |
682 | const Standard_Integer thePriority) | |
683 | { | |
684 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
685 | const Graphic3d_ZLayerId aZLayer = aStruct->ZLayer(); | |
686 | myZLayers.AddStructure (aStruct, aZLayer, thePriority); | |
687 | } | |
688 | ||
689 | //======================================================================= | |
690 | //function : eraseStructure | |
691 | //purpose : | |
692 | //======================================================================= | |
693 | void OpenGl_View::eraseStructure (const Handle(Graphic3d_CStructure)& theStructure) | |
694 | { | |
695 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
696 | myZLayers.RemoveStructure (aStruct); | |
697 | } | |
698 | ||
699 | //======================================================================= | |
700 | //function : changeZLayer | |
701 | //purpose : | |
702 | //======================================================================= | |
703 | void OpenGl_View::changeZLayer (const Handle(Graphic3d_CStructure)& theStructure, | |
704 | const Graphic3d_ZLayerId theNewLayerId) | |
705 | { | |
706 | const Graphic3d_ZLayerId anOldLayer = theStructure->ZLayer(); | |
707 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
708 | myZLayers.ChangeLayer (aStruct, anOldLayer, theNewLayerId); | |
709 | } | |
710 | ||
711 | //======================================================================= | |
712 | //function : changePriority | |
713 | //purpose : | |
714 | //======================================================================= | |
715 | void OpenGl_View::changePriority (const Handle(Graphic3d_CStructure)& theStructure, | |
716 | const Standard_Integer theNewPriority) | |
717 | { | |
718 | const Graphic3d_ZLayerId aLayerId = theStructure->ZLayer(); | |
719 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
720 | myZLayers.ChangePriority (aStruct, aLayerId, theNewPriority); | |
2166f0fa | 721 | } |