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0029520: Visualization - drop deprecated V3d_View::Export() functionality and depende...
[occt.git] / src / OpenGl / OpenGl_View.cxx
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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>
c357e426 32#include <OpenGl_Window.hxx>
30f0ad28 33#include <OpenGl_Workspace.hxx>
f5b72419 34#include <OSD_Parallel.hxx>
c357e426 35#include <Standard_CLocaleSentry.hxx>
2166f0fa 36
f5b72419 37#include "../Graphic3d/Graphic3d_Structure.pxx"
38
92efcf78 39IMPLEMENT_STANDARD_RTTIEXT(OpenGl_View,Graphic3d_CView)
40
c357e426 41// =======================================================================
42// function : Constructor
43// purpose :
44// =======================================================================
45OpenGl_View::OpenGl_View (const Handle(Graphic3d_StructureManager)& theMgr,
46 const Handle(OpenGl_GraphicDriver)& theDriver,
47 const Handle(OpenGl_Caps)& theCaps,
c357e426 48 OpenGl_StateCounter* theCounter)
49: Graphic3d_CView (theMgr),
50 myDriver (theDriver.operator->()),
51 myCaps (theCaps),
c357e426 52 myWasRedrawnGL (Standard_False),
c357e426 53 myCulling (Standard_True),
c357e426 54 myBackfacing (Graphic3d_TOBM_AUTOMATIC),
b6472664 55 myBgColor (Quantity_NOC_BLACK),
c357e426 56 myCamera (new Graphic3d_Camera()),
c357e426 57 myToShowGradTrihedron (false),
f5b72419 58 myZLayers (Structure_MAX_PRIORITY - Structure_MIN_PRIORITY + 1),
c357e426 59 myStateCounter (theCounter),
992ed6b3 60 myCurrLightSourceState (theCounter->Increment()),
61 myLightsRevision (0),
0b0320e7 62 myLastLightSourceState (0, 0),
3c4b62a4 63 myFboColorFormat (GL_RGBA8),
64 myFboDepthFormat (GL_DEPTH24_STENCIL8),
65 myToFlipOutput (Standard_False),
c357e426 66 myFrameCounter (0),
67 myHasFboBlit (Standard_True),
a1073ae2 68 myToDisableOIT (Standard_False),
69 myToDisableOITMSAA (Standard_False),
7ccf8676 70 myToDisableMSAA (Standard_False),
c357e426 71 myTransientDrawToFront (Standard_True),
72 myBackBufferRestored (Standard_False),
73 myIsImmediateDrawn (Standard_False),
0b0320e7 74 myTextureParams (new OpenGl_AspectFace()),
75 myBgGradientArray (new OpenGl_BackgroundArray (Graphic3d_TOB_GRADIENT)),
91c60b57 76 myBgTextureArray (new OpenGl_BackgroundArray (Graphic3d_TOB_TEXTURE)),
77 // ray-tracing fields initialization
c357e426 78 myRaytraceInitStatus (OpenGl_RT_NONE),
79 myIsRaytraceDataValid (Standard_False),
91c60b57 80 myIsRaytraceWarnTextures (Standard_False),
f5b72419 81 myRaytraceBVHBuilder (new BVH_BinnedBuilder<Standard_ShortReal, 3, BVH_Constants_NbBinsBest> (BVH_Constants_LeafNodeSizeAverage,
82 BVH_Constants_MaxTreeDepth,
83 Standard_False,
84 OSD_Parallel::NbLogicalProcessors() + 1)),
85 myRaytraceSceneRadius (0.0f),
86 myRaytraceSceneEpsilon (1.0e-6f),
91c60b57 87 myToUpdateEnvironmentMap (Standard_False),
b27ab03d 88 myRaytraceLayerListState (0),
89 myPrevCameraApertureRadius(0.f),
90 myPrevCameraFocalPlaneDist(0.f)
2166f0fa 91{
c357e426 92 myWorkspace = new OpenGl_Workspace (this, NULL);
2166f0fa 93
992ed6b3 94 Handle(Graphic3d_CLight) aLight = new Graphic3d_CLight (Graphic3d_TOLS_AMBIENT);
95 aLight->SetHeadlight (false);
96 aLight->SetColor (Quantity_NOC_WHITE);
97 myNoShadingLight = new Graphic3d_LightSet();
98 myNoShadingLight->Add (aLight);
016e5959 99
a1073ae2 100 myMainSceneFbos[0] = new OpenGl_FrameBuffer();
101 myMainSceneFbos[1] = new OpenGl_FrameBuffer();
102 myMainSceneFbosOit[0] = new OpenGl_FrameBuffer();
103 myMainSceneFbosOit[1] = new OpenGl_FrameBuffer();
104 myImmediateSceneFbos[0] = new OpenGl_FrameBuffer();
105 myImmediateSceneFbos[1] = new OpenGl_FrameBuffer();
106 myImmediateSceneFbosOit[0] = new OpenGl_FrameBuffer();
107 myImmediateSceneFbosOit[1] = new OpenGl_FrameBuffer();
108 myOpenGlFBO = new OpenGl_FrameBuffer();
109 myOpenGlFBO2 = new OpenGl_FrameBuffer();
110 myRaytraceFBO1[0] = new OpenGl_FrameBuffer();
111 myRaytraceFBO1[1] = new OpenGl_FrameBuffer();
112 myRaytraceFBO2[0] = new OpenGl_FrameBuffer();
113 myRaytraceFBO2[1] = new OpenGl_FrameBuffer();
c357e426 114}
115
116// =======================================================================
117// function : Destructor
118// purpose :
119// =======================================================================
0b0320e7 120OpenGl_View::~OpenGl_View()
2166f0fa 121{
bf75be98 122 ReleaseGlResources (NULL); // ensure ReleaseGlResources() was called within valid context
0b0320e7 123 OpenGl_Element::Destroy (NULL, myBgGradientArray);
124 OpenGl_Element::Destroy (NULL, myBgTextureArray);
125 OpenGl_Element::Destroy (NULL, myTextureParams);
bf75be98 126}
127
c357e426 128// =======================================================================
129// function : ReleaseGlResources
130// purpose :
131// =======================================================================
bf75be98 132void OpenGl_View::ReleaseGlResources (const Handle(OpenGl_Context)& theCtx)
133{
536d98e2 134 myGraduatedTrihedron.Release (theCtx.operator->());
15669413 135 myFrameStatsPrs.Release (theCtx.operator->());
30f0ad28 136
bf75be98 137 if (!myTextureEnv.IsNull())
138 {
cc8cbabe 139 for (OpenGl_TextureSet::Iterator aTextureIter (myTextureEnv); aTextureIter.More(); aTextureIter.Next())
140 {
141 theCtx->DelayedRelease (aTextureIter.ChangeValue());
142 aTextureIter.ChangeValue().Nullify();
143 }
bf75be98 144 myTextureEnv.Nullify();
145 }
0b0320e7 146
147 if (myTextureParams != NULL)
148 {
149 myTextureParams->Release (theCtx.operator->());
150 }
151 if (myBgGradientArray != NULL)
152 {
153 myBgGradientArray->Release (theCtx.operator->());
154 }
155 if (myBgTextureArray != NULL)
bf75be98 156 {
0b0320e7 157 myBgTextureArray->Release (theCtx.operator->());
bf75be98 158 }
91c60b57 159
a1073ae2 160 myMainSceneFbos[0] ->Release (theCtx.operator->());
161 myMainSceneFbos[1] ->Release (theCtx.operator->());
162 myMainSceneFbosOit[0] ->Release (theCtx.operator->());
163 myMainSceneFbosOit[1] ->Release (theCtx.operator->());
164 myImmediateSceneFbos[0] ->Release (theCtx.operator->());
165 myImmediateSceneFbos[1] ->Release (theCtx.operator->());
166 myImmediateSceneFbosOit[0]->Release (theCtx.operator->());
167 myImmediateSceneFbosOit[1]->Release (theCtx.operator->());
168 myOpenGlFBO ->Release (theCtx.operator->());
169 myOpenGlFBO2 ->Release (theCtx.operator->());
170 myFullScreenQuad .Release (theCtx.operator->());
171 myFullScreenQuadFlip .Release (theCtx.operator->());
c357e426 172
91c60b57 173 releaseRaytraceResources (theCtx);
bf75be98 174}
2166f0fa 175
c357e426 176// =======================================================================
177// function : Remove
178// purpose :
179// =======================================================================
180void OpenGl_View::Remove()
bf75be98 181{
c357e426 182 if (IsRemoved())
bf75be98 183 {
c357e426 184 return;
bf75be98 185 }
186
c357e426 187 myDriver->RemoveView (this);
188 myWindow.Nullify();
189
190 Graphic3d_CView::Remove();
191}
192
193// =======================================================================
194// function : SetTextureEnv
195// purpose :
196// =======================================================================
7c3ef2f7 197void OpenGl_View::SetCamera(const Handle(Graphic3d_Camera)& theCamera)
198{
199 myCamera = theCamera;
200}
201
202// =======================================================================
203// function : SetLocalOrigin
204// purpose :
205// =======================================================================
206void OpenGl_View::SetLocalOrigin (const gp_XYZ& theOrigin)
207{
208 myLocalOrigin = theOrigin;
209 const Handle(OpenGl_Context)& aCtx = myWorkspace->GetGlContext();
210 if (!aCtx.IsNull())
211 {
212 aCtx->ShaderManager()->SetLocalOrigin (theOrigin);
213 }
214}
215
216// =======================================================================
217// function : SetTextureEnv
218// purpose :
219// =======================================================================
c357e426 220void OpenGl_View::SetTextureEnv (const Handle(Graphic3d_TextureEnv)& theTextureEnv)
221{
222 Handle(OpenGl_Context) aCtx = myWorkspace->GetGlContext();
223 if (!aCtx.IsNull() && !myTextureEnv.IsNull())
224 {
cc8cbabe 225 for (OpenGl_TextureSet::Iterator aTextureIter (myTextureEnv); aTextureIter.More(); aTextureIter.Next())
226 {
227 aCtx->DelayedRelease (aTextureIter.ChangeValue());
228 aTextureIter.ChangeValue().Nullify();
229 }
c357e426 230 }
231
232 myToUpdateEnvironmentMap = Standard_True;
233 myTextureEnvData = theTextureEnv;
234 myTextureEnv.Nullify();
235 initTextureEnv (aCtx);
236}
237
238// =======================================================================
239// function : initTextureEnv
240// purpose :
241// =======================================================================
242void OpenGl_View::initTextureEnv (const Handle(OpenGl_Context)& theContext)
243{
244 if (myTextureEnvData.IsNull()
245 || theContext.IsNull()
246 || !theContext->MakeCurrent())
bf75be98 247 {
248 return;
249 }
250
cc8cbabe 251 myTextureEnv = new OpenGl_TextureSet (1);
252 Handle(OpenGl_Texture)& aTextureEnv = myTextureEnv->ChangeFirst();
253 aTextureEnv = new OpenGl_Texture (myTextureEnvData->GetId(), myTextureEnvData->GetParams());
c357e426 254 Handle(Image_PixMap) anImage = myTextureEnvData->GetImage();
e276548b 255 if (!anImage.IsNull())
c357e426 256 {
cc8cbabe 257 aTextureEnv->Init (theContext, *anImage.operator->(), myTextureEnvData->Type());
c357e426 258 }
259}
e276548b 260
c357e426 261// =======================================================================
262// function : SetImmediateModeDrawToFront
263// purpose :
264// =======================================================================
265Standard_Boolean OpenGl_View::SetImmediateModeDrawToFront (const Standard_Boolean theDrawToFrontBuffer)
266{
267 const Standard_Boolean aPrevMode = myTransientDrawToFront;
268 myTransientDrawToFront = theDrawToFrontBuffer;
269 return aPrevMode;
e276548b 270}
271
c357e426 272// =======================================================================
273// function : SetWindow
274// purpose :
275// =======================================================================
276void OpenGl_View::SetWindow (const Handle(Aspect_Window)& theWindow,
a521d90d 277 const Aspect_RenderingContext theContext)
e276548b 278{
c357e426 279 myWindow = myDriver->CreateRenderWindow (theWindow, theContext);
280 Standard_ASSERT_RAISE (!myWindow.IsNull(),
281 "OpenGl_View::SetWindow, "
282 "Failed to create OpenGl window.");
e276548b 283
c357e426 284 myWorkspace = new OpenGl_Workspace (this, myWindow);
285 myWorldViewProjState.Reset();
91c60b57 286 myToUpdateEnvironmentMap = Standard_True;
c357e426 287 myHasFboBlit = Standard_True;
288 Invalidate();
289
290 // Environment texture resource does not support lazy initialization.
291 initTextureEnv (myWorkspace->GetGlContext());
292}
293
294// =======================================================================
295// function : Resized
296// purpose :
297// =======================================================================
298void OpenGl_View::Resized()
299{
300 if (myWindow.IsNull())
301 return;
302
303 myWindow->Resize();
304}
305
306// =======================================================================
c357e426 307// function : SetMinMaxValuesCallback
308// purpose :
309// =======================================================================
310static void SetMinMaxValuesCallback (Graphic3d_CView* theView)
311{
312 OpenGl_View* aView = dynamic_cast<OpenGl_View*>(theView);
313 if (aView == NULL)
314 return;
315
316 Bnd_Box aBox = theView->MinMaxValues();
317 if (!aBox.IsVoid())
2166f0fa 318 {
c357e426 319 gp_Pnt aMin = aBox.CornerMin();
320 gp_Pnt aMax = aBox.CornerMax();
321
322 Graphic3d_Vec3 aMinVec ((Standard_ShortReal )aMin.X(), (Standard_ShortReal )aMin.Y(), (Standard_ShortReal )aMin.Z());
323 Graphic3d_Vec3 aMaxVec ((Standard_ShortReal )aMax.X(), (Standard_ShortReal )aMax.Y(), (Standard_ShortReal )aMax.Z());
324 aView->GraduatedTrihedronMinMaxValues (aMinVec, aMaxVec);
2166f0fa
SK		 325 }
326}
327
c357e426 328// =======================================================================
329// function : GraduatedTrihedronDisplay
330// purpose :
331// =======================================================================
332void OpenGl_View::GraduatedTrihedronDisplay (const Graphic3d_GraduatedTrihedron& theTrihedronData)
333{
334 myGTrihedronData = theTrihedronData;
335 myGTrihedronData.PtrView = this;
336 myGTrihedronData.CubicAxesCallback = SetMinMaxValuesCallback;
337 myGraduatedTrihedron.SetValues (myGTrihedronData);
338 myToShowGradTrihedron = true;
339}
2166f0fa 340
c357e426 341// =======================================================================
342// function : GraduatedTrihedronErase
343// purpose :
344// =======================================================================
345void OpenGl_View::GraduatedTrihedronErase()
2166f0fa 346{
c357e426 347 myGTrihedronData.PtrView = NULL;
348 myGraduatedTrihedron.Release (myWorkspace->GetGlContext().operator->());
349 myToShowGradTrihedron = false;
2166f0fa
SK		 350}
351
c357e426 352// =======================================================================
353// function : GraduatedTrihedronMinMaxValues
354// purpose :
355// =======================================================================
356void OpenGl_View::GraduatedTrihedronMinMaxValues (const Graphic3d_Vec3 theMin, const Graphic3d_Vec3 theMax)
357{
358 myGraduatedTrihedron.SetMinMax (theMin, theMax);
359}
2166f0fa 360
c357e426 361// =======================================================================
c357e426 362// function : BufferDump
363// purpose :
364// =======================================================================
365Standard_Boolean OpenGl_View::BufferDump (Image_PixMap& theImage, const Graphic3d_BufferType& theBufferType)
366{
38d90bb3 367 if (theBufferType != Graphic3d_BT_RGB_RayTraceHdrLeft)
368 {
369 return myWorkspace->BufferDump(myFBO, theImage, theBufferType);
370 }
371
372 if (!myRaytraceParameters.AdaptiveScreenSampling)
373 {
374 return myWorkspace->BufferDump(myAccumFrames % 2 ? myRaytraceFBO2[0] : myRaytraceFBO1[0], theImage, theBufferType);
375 }
376
377#if defined(GL_ES_VERSION_2_0)
378 return false;
379#else
380 if (theImage.Format() != Image_Format_RGBF)
381 {
382 return false;
383 }
384
385 const GLuint aW = myRaytraceOutputTexture[0]->SizeX();
386 const GLuint aH = myRaytraceOutputTexture[0]->SizeY();
387 if (aW / 3 != theImage.SizeX() || aH / 2 != theImage.SizeY())
388 {
389 return false;
390 }
391
392 std::vector<GLfloat> aValues;
393 try
394 {
395 aValues.resize (aW * aH);
396 }
397 catch (const std::bad_alloc&)
398 {
399 return false;
400 }
401
402 glBindTexture (GL_TEXTURE_RECTANGLE, myRaytraceOutputTexture[0]->TextureId());
403 glGetTexImage (GL_TEXTURE_RECTANGLE, 0, OpenGl_TextureFormat::Create<GLfloat, 1>().Format(), GL_FLOAT, &aValues[0]);
404 glBindTexture (GL_TEXTURE_RECTANGLE, 0);
405 for (unsigned int aRow = 0; aRow < aH; aRow += 2)
406 {
407 for (unsigned int aCol = 0; aCol < aW; aCol += 3)
408 {
409 float* anImageValue = theImage.ChangeValue<float[3]> ((aH - aRow) / 2 - 1, aCol / 3);
410 float aInvNbSamples = 1.f / aValues[aRow * aW + aCol + aW];
411 anImageValue[0] = aValues[aRow * aW + aCol] * aInvNbSamples;
412 anImageValue[1] = aValues[aRow * aW + aCol + 1] * aInvNbSamples;
413 anImageValue[2] = aValues[aRow * aW + aCol + 1 + aW] * aInvNbSamples;
414 }
415 }
416
417 return true;
418#endif
c357e426 419}
420
421// =======================================================================
422// function : Background
423// purpose :
424// =======================================================================
425Aspect_Background OpenGl_View::Background() const
426{
b6472664 427 return Aspect_Background (myBgColor.GetRGB());
c357e426 428}
429
430// =======================================================================
431// function : SetBackground
432// purpose :
433// =======================================================================
434void OpenGl_View::SetBackground (const Aspect_Background& theBackground)
435{
b6472664 436 myBgColor.SetRGB (theBackground.Color());
c357e426 437}
438
439// =======================================================================
440// function : GradientBackground
441// purpose :
442// =======================================================================
443Aspect_GradientBackground OpenGl_View::GradientBackground() const
444{
445 Quantity_Color aColor1, aColor2;
446 aColor1.SetValues (myBgGradientArray->GradientColor (0).r(),
447 myBgGradientArray->GradientColor (0).g(),
448 myBgGradientArray->GradientColor (0).b(), Quantity_TOC_RGB);
449 aColor2.SetValues (myBgGradientArray->GradientColor (1).r(),
450 myBgGradientArray->GradientColor (1).g(),
451 myBgGradientArray->GradientColor (1).b(), Quantity_TOC_RGB);
452 return Aspect_GradientBackground (aColor1, aColor2, myBgGradientArray->GradientFillMethod());
453}
2166f0fa 454
c357e426 455// =======================================================================
456// function : SetGradientBackground
457// purpose :
458// =======================================================================
459void OpenGl_View::SetGradientBackground (const Aspect_GradientBackground& theBackground)
2166f0fa 460{
c357e426 461 Quantity_Color aColor1, aColor2;
462 theBackground.Colors (aColor1, aColor2);
463 myBgGradientArray->SetGradientParameters (aColor1, aColor2, theBackground.BgGradientFillMethod());
464}
465
466// =======================================================================
467// function : SetBackgroundImage
468// purpose :
469// =======================================================================
470void OpenGl_View::SetBackgroundImage (const TCollection_AsciiString& theFilePath)
471{
472 // Prepare aspect for texture storage
473 myBackgroundImagePath = theFilePath;
474 Handle(Graphic3d_AspectFillArea3d) anAspect = new Graphic3d_AspectFillArea3d();
475 Handle(Graphic3d_Texture2Dmanual) aTextureMap = new Graphic3d_Texture2Dmanual (TCollection_AsciiString (theFilePath));
476 aTextureMap->EnableRepeat();
477 aTextureMap->DisableModulate();
478 aTextureMap->GetParams()->SetGenMode (Graphic3d_TOTM_MANUAL,
479 Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f),
480 Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f));
481 anAspect->SetTextureMap (aTextureMap);
482 anAspect->SetInteriorStyle (Aspect_IS_SOLID);
b6472664 483 anAspect->SetSuppressBackFaces (false);
c357e426 484 // Enable texture mapping
485 if (aTextureMap->IsDone())
2166f0fa 486 {
c357e426 487 anAspect->SetTextureMapOn();
2166f0fa
SK		 488 }
489 else
490 {
c357e426 491 anAspect->SetTextureMapOff();
492 return;
493 }
2166f0fa 494
c357e426 495 // Set texture parameters
496 myTextureParams->SetAspect (anAspect);
497}
2166f0fa 498
c357e426 499// =======================================================================
500// function : BackgroundImageStyle
501// purpose :
502// =======================================================================
503Aspect_FillMethod OpenGl_View::BackgroundImageStyle() const
504{
505 return myBgTextureArray->TextureFillMethod();
2166f0fa
SK		 506}
507
c357e426 508// =======================================================================
509// function : SetBackgroundImageStyle
510// purpose :
511// =======================================================================
512void OpenGl_View::SetBackgroundImageStyle (const Aspect_FillMethod theFillStyle)
513{
514 myBgTextureArray->SetTextureFillMethod (theFillStyle);
515}
2166f0fa 516
c357e426 517//=======================================================================
518//function : AddZLayer
519//purpose :
520//=======================================================================
521void OpenGl_View::AddZLayer (const Graphic3d_ZLayerId theLayerId)
2166f0fa 522{
c357e426 523 myZLayers.AddLayer (theLayerId);
2166f0fa
SK		 524}
525
c357e426 526//=======================================================================
527//function : RemoveZLayer
528//purpose :
529//=======================================================================
530void OpenGl_View::RemoveZLayer (const Graphic3d_ZLayerId theLayerId)
531{
532 myZLayers.RemoveLayer (theLayerId);
533}
2166f0fa 534
c357e426 535//=======================================================================
536//function : SetZLayerSettings
537//purpose :
538//=======================================================================
539void OpenGl_View::SetZLayerSettings (const Graphic3d_ZLayerId theLayerId,
540 const Graphic3d_ZLayerSettings& theSettings)
2166f0fa 541{
c357e426 542 myZLayers.SetLayerSettings (theLayerId, theSettings);
2166f0fa
SK		 543}
544
c357e426 545//=======================================================================
50d06d8f 546//function : ZLayerMax
547//purpose :
548//=======================================================================
549Standard_Integer OpenGl_View::ZLayerMax() const
550{
551 Standard_Integer aLayerMax = Graphic3d_ZLayerId_Default;
552 for (OpenGl_LayerSeqIds::Iterator aMapIt(myZLayers.LayerIDs()); aMapIt.More(); aMapIt.Next())
553 {
554 aLayerMax = Max (aLayerMax, aMapIt.Value());
555 }
556
557 return aLayerMax;
558}
559
560//=======================================================================
561//function : InvalidateZLayerBoundingBox
562//purpose :
563//=======================================================================
564void OpenGl_View::InvalidateZLayerBoundingBox (const Graphic3d_ZLayerId theLayerId) const
565{
566 if (myZLayers.LayerIDs().IsBound (theLayerId))
567 {
568 myZLayers.Layer (theLayerId).InvalidateBoundingBox();
569 }
570 else
571 {
1475265b 572 const Standard_Integer aLayerMax = ZLayerMax();
573 for (Standard_Integer aLayerId = Graphic3d_ZLayerId_Default; aLayerId < aLayerMax; ++aLayerId)
50d06d8f 574 {
575 if (myZLayers.LayerIDs().IsBound (aLayerId))
576 {
577 const OpenGl_Layer& aLayer = myZLayers.Layer (aLayerId);
578 if (aLayer.NbOfTransformPersistenceObjects() > 0)
579 {
580 aLayer.InvalidateBoundingBox();
581 }
582 }
583 }
584 }
585}
586
587//=======================================================================
588//function : ZLayerBoundingBox
589//purpose :
590//=======================================================================
7c3ef2f7 591Bnd_Box OpenGl_View::ZLayerBoundingBox (const Graphic3d_ZLayerId theLayerId,
592 const Handle(Graphic3d_Camera)& theCamera,
593 const Standard_Integer theWindowWidth,
594 const Standard_Integer theWindowHeight,
595 const Standard_Boolean theToIncludeAuxiliary) const
50d06d8f 596{
7c3ef2f7 597 Bnd_Box aBox;
50d06d8f 598 if (myZLayers.LayerIDs().IsBound (theLayerId))
599 {
71d8ccc7 600 aBox = myZLayers.Layer (theLayerId).BoundingBox (Identification(),
50d06d8f 601 theCamera,
602 theWindowWidth,
603 theWindowHeight,
3fe9ce0e 604 theToIncludeAuxiliary);
50d06d8f 605 }
606
71d8ccc7 607 // add bounding box of gradient/texture background for proper Z-fit
608 if (theToIncludeAuxiliary
609 && theLayerId == Graphic3d_ZLayerId_BotOSD
610 && (myBgTextureArray->IsDefined()
611 || myBgGradientArray->IsDefined()))
612 {
613 // Background is drawn using 2D transformation persistence
614 // (e.g. it is actually placed in 3D coordinates within active camera position).
615 // We add here full-screen plane with 2D transformation persistence
616 // for simplicity (myBgTextureArray might define a little bit different options
617 // but it is updated within ::Render())
7c3ef2f7 618 const Graphic3d_Mat4d& aProjectionMat = theCamera->ProjectionMatrix();
619 const Graphic3d_Mat4d& aWorldViewMat = theCamera->OrientationMatrix();
620 Graphic3d_BndBox3d aBox2d (Graphic3d_Vec3d (0.0, 0.0, 0.0),
621 Graphic3d_Vec3d (double(theWindowWidth), double(theWindowHeight), 0.0));
71d8ccc7 622
778cd667 623 Graphic3d_TransformPers aTrsfPers (Graphic3d_TMF_2d, Aspect_TOTP_LEFT_LOWER);
71d8ccc7 624 aTrsfPers.Apply (theCamera,
625 aProjectionMat,
626 aWorldViewMat,
627 theWindowWidth,
628 theWindowHeight,
629 aBox2d);
7c3ef2f7 630 aBox.Add (gp_Pnt (aBox2d.CornerMin().x(), aBox2d.CornerMin().y(), aBox2d.CornerMin().z()));
631 aBox.Add (gp_Pnt (aBox2d.CornerMax().x(), aBox2d.CornerMax().y(), aBox2d.CornerMax().z()));
71d8ccc7 632 }
633
634 return aBox;
50d06d8f 635}
636
637//=======================================================================
638//function : considerZoomPersistenceObjects
639//purpose :
640//=======================================================================
641Standard_Real OpenGl_View::considerZoomPersistenceObjects (const Graphic3d_ZLayerId theLayerId,
642 const Handle(Graphic3d_Camera)& theCamera,
643 const Standard_Integer theWindowWidth,
3fe9ce0e 644 const Standard_Integer theWindowHeight) const
50d06d8f 645{
1d92133e 646 if (myZLayers.LayerIDs().IsBound (theLayerId))
50d06d8f 647 {
648 return myZLayers.Layer (theLayerId).considerZoomPersistenceObjects (Identification(),
649 theCamera,
650 theWindowWidth,
3fe9ce0e 651 theWindowHeight);
50d06d8f 652 }
653
654 return 1.0;
655}
656
657//=======================================================================
c357e426 658//function : FBO
659//purpose :
660//=======================================================================
b128c892 661Handle(Standard_Transient) OpenGl_View::FBO() const
c357e426 662{
b128c892 663 return Handle(Standard_Transient)(myFBO);
c357e426 664}
2166f0fa 665
c357e426 666//=======================================================================
667//function : SetFBO
668//purpose :
669//=======================================================================
b128c892 670void OpenGl_View::SetFBO (const Handle(Standard_Transient)& theFbo)
2166f0fa 671{
b128c892 672 myFBO = Handle(OpenGl_FrameBuffer)::DownCast (theFbo);
2166f0fa
SK		 673}
674
c357e426 675//=======================================================================
676//function : FBOCreate
677//purpose :
678//=======================================================================
b128c892 679Handle(Standard_Transient) OpenGl_View::FBOCreate (const Standard_Integer theWidth,
680 const Standard_Integer theHeight)
c357e426 681{
682 return myWorkspace->FBOCreate (theWidth, theHeight);
683}
2166f0fa 684
c357e426 685//=======================================================================
686//function : FBORelease
687//purpose :
688//=======================================================================
b128c892 689void OpenGl_View::FBORelease (Handle(Standard_Transient)& theFbo)
2166f0fa 690{
b128c892 691 Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo);
692 if (aFrameBuffer.IsNull())
693 {
694 return;
695 }
696
697 myWorkspace->FBORelease (aFrameBuffer);
698 theFbo.Nullify();
c357e426 699}
700
701//=======================================================================
702//function : FBOGetDimensions
703//purpose :
704//=======================================================================
b128c892 705void OpenGl_View::FBOGetDimensions (const Handle(Standard_Transient)& theFbo,
c357e426 706 Standard_Integer& theWidth,
707 Standard_Integer& theHeight,
708 Standard_Integer& theWidthMax,
709 Standard_Integer& theHeightMax)
710{
b128c892 711 const Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo);
712 if (aFrameBuffer.IsNull())
713 {
714 return;
715 }
716
c357e426 717 theWidth = aFrameBuffer->GetVPSizeX(); // current viewport size
718 theHeight = aFrameBuffer->GetVPSizeY();
719 theWidthMax = aFrameBuffer->GetSizeX(); // texture size
720 theHeightMax = aFrameBuffer->GetSizeY();
721}
722
723//=======================================================================
724//function : FBOChangeViewport
725//purpose :
726//=======================================================================
b128c892 727void OpenGl_View::FBOChangeViewport (const Handle(Standard_Transient)& theFbo,
c357e426 728 const Standard_Integer theWidth,
729 const Standard_Integer theHeight)
730{
b128c892 731 const Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo);
732 if (aFrameBuffer.IsNull())
733 {
734 return;
735 }
736
c357e426 737 aFrameBuffer->ChangeViewport (theWidth, theHeight);
738}
739
c357e426 740//=======================================================================
741//function : displayStructure
742//purpose :
743//=======================================================================
744void OpenGl_View::displayStructure (const Handle(Graphic3d_CStructure)& theStructure,
745 const Standard_Integer thePriority)
746{
747 const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->());
748 const Graphic3d_ZLayerId aZLayer = aStruct->ZLayer();
749 myZLayers.AddStructure (aStruct, aZLayer, thePriority);
750}
751
752//=======================================================================
753//function : eraseStructure
754//purpose :
755//=======================================================================
756void OpenGl_View::eraseStructure (const Handle(Graphic3d_CStructure)& theStructure)
757{
758 const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->());
759 myZLayers.RemoveStructure (aStruct);
760}
761
762//=======================================================================
763//function : changeZLayer
764//purpose :
765//=======================================================================
766void OpenGl_View::changeZLayer (const Handle(Graphic3d_CStructure)& theStructure,
767 const Graphic3d_ZLayerId theNewLayerId)
768{
769 const Graphic3d_ZLayerId anOldLayer = theStructure->ZLayer();
770 const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->());
771 myZLayers.ChangeLayer (aStruct, anOldLayer, theNewLayerId);
cfece3ef 772 Update (anOldLayer);
773 Update (theNewLayerId);
c357e426 774}
775
776//=======================================================================
777//function : changePriority
778//purpose :
779//=======================================================================
780void OpenGl_View::changePriority (const Handle(Graphic3d_CStructure)& theStructure,
781 const Standard_Integer theNewPriority)
782{
783 const Graphic3d_ZLayerId aLayerId = theStructure->ZLayer();
784 const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->());
785 myZLayers.ChangePriority (aStruct, aLayerId, theNewPriority);
2166f0fa 786}
26d9c835 787
788//=======================================================================
789//function : DiagnosticInformation
790//purpose :
791//=======================================================================
792void OpenGl_View::DiagnosticInformation (TColStd_IndexedDataMapOfStringString& theDict,
793 Graphic3d_DiagnosticInfo theFlags) const
794{
795 Handle(OpenGl_Context) aCtx = myWorkspace->GetGlContext();
796 if (!myWorkspace->Activate()
797 || aCtx.IsNull())
798 {
799 return;
800 }
801
802 aCtx->DiagnosticInformation (theDict, theFlags);
803 if ((theFlags & Graphic3d_DiagnosticInfo_FrameBuffer) != 0)
804 {
805 TCollection_AsciiString aResRatio (myRenderParams.ResolutionRatio());
806 theDict.ChangeFromIndex (theDict.Add ("ResolutionRatio", aResRatio)) = aResRatio;
807 }
808}
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