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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> |
c357e426 | 34 | #include <Standard_CLocaleSentry.hxx> |
2166f0fa | 35 | |
92efcf78 | 36 | IMPLEMENT_STANDARD_RTTIEXT(OpenGl_View,Graphic3d_CView) |
37 | ||
c357e426 | 38 | #ifdef HAVE_GL2PS |
39 | #include <gl2ps.h> | |
40 | #endif | |
2166f0fa | 41 | |
c357e426 | 42 | // ======================================================================= |
43 | // function : Constructor | |
44 | // purpose : | |
45 | // ======================================================================= | |
46 | OpenGl_View::OpenGl_View (const Handle(Graphic3d_StructureManager)& theMgr, | |
47 | const Handle(OpenGl_GraphicDriver)& theDriver, | |
48 | const Handle(OpenGl_Caps)& theCaps, | |
49 | Standard_Boolean& theDeviceLostFlag, | |
50 | OpenGl_StateCounter* theCounter) | |
51 | : Graphic3d_CView (theMgr), | |
52 | myDriver (theDriver.operator->()), | |
53 | myCaps (theCaps), | |
54 | myDeviceLostFlag (theDeviceLostFlag), | |
55 | myWasRedrawnGL (Standard_False), | |
c357e426 | 56 | myCulling (Standard_True), |
57 | myShadingModel (Graphic3d_TOSM_FACET), | |
c357e426 | 58 | myBackfacing (Graphic3d_TOBM_AUTOMATIC), |
b6472664 | 59 | myBgColor (Quantity_NOC_BLACK), |
c357e426 | 60 | myCamera (new Graphic3d_Camera()), |
c357e426 | 61 | myToShowGradTrihedron (false), |
62 | myStateCounter (theCounter), | |
0b0320e7 | 63 | myLastLightSourceState (0, 0), |
3c4b62a4 | 64 | myFboColorFormat (GL_RGBA8), |
65 | myFboDepthFormat (GL_DEPTH24_STENCIL8), | |
66 | myToFlipOutput (Standard_False), | |
c357e426 | 67 | myFrameCounter (0), |
68 | myHasFboBlit (Standard_True), | |
7ccf8676 | 69 | myToDisableMSAA (Standard_False), |
c357e426 | 70 | myTransientDrawToFront (Standard_True), |
71 | myBackBufferRestored (Standard_False), | |
72 | myIsImmediateDrawn (Standard_False), | |
0b0320e7 | 73 | myTextureParams (new OpenGl_AspectFace()), |
74 | myBgGradientArray (new OpenGl_BackgroundArray (Graphic3d_TOB_GRADIENT)), | |
91c60b57 | 75 | myBgTextureArray (new OpenGl_BackgroundArray (Graphic3d_TOB_TEXTURE)), |
76 | // ray-tracing fields initialization | |
c357e426 | 77 | myRaytraceInitStatus (OpenGl_RT_NONE), |
78 | myIsRaytraceDataValid (Standard_False), | |
91c60b57 | 79 | myIsRaytraceWarnTextures (Standard_False), |
80 | myToUpdateEnvironmentMap (Standard_False), | |
bd6a8454 | 81 | myRaytraceLayerListState (0) |
2166f0fa | 82 | { |
c357e426 | 83 | myWorkspace = new OpenGl_Workspace (this, NULL); |
2166f0fa | 84 | |
016e5959 | 85 | OpenGl_Light aLight; |
86 | aLight.Type = Graphic3d_TOLS_AMBIENT; | |
87 | aLight.IsHeadlight = Standard_False; | |
88 | aLight.Color.r() = 1.; | |
89 | aLight.Color.g() = 1.; | |
90 | aLight.Color.b() = 1.; | |
91 | myNoShadingLight.Append (aLight); | |
92 | ||
c357e426 | 93 | myCurrLightSourceState = myStateCounter->Increment(); |
94 | myMainSceneFbos[0] = new OpenGl_FrameBuffer(); | |
95 | myMainSceneFbos[1] = new OpenGl_FrameBuffer(); | |
96 | myImmediateSceneFbos[0] = new OpenGl_FrameBuffer(); | |
97 | myImmediateSceneFbos[1] = new OpenGl_FrameBuffer(); | |
3c4b62a4 | 98 | myOpenGlFBO = new OpenGl_FrameBuffer(); |
99 | myOpenGlFBO2 = new OpenGl_FrameBuffer(); | |
100 | myRaytraceFBO1[0] = new OpenGl_FrameBuffer(); | |
101 | myRaytraceFBO1[1] = new OpenGl_FrameBuffer(); | |
102 | myRaytraceFBO2[0] = new OpenGl_FrameBuffer(); | |
103 | myRaytraceFBO2[1] = new OpenGl_FrameBuffer(); | |
c357e426 | 104 | } |
105 | ||
106 | // ======================================================================= | |
107 | // function : Destructor | |
108 | // purpose : | |
109 | // ======================================================================= | |
0b0320e7 | 110 | OpenGl_View::~OpenGl_View() |
2166f0fa | 111 | { |
bf75be98 | 112 | ReleaseGlResources (NULL); // ensure ReleaseGlResources() was called within valid context |
0b0320e7 | 113 | OpenGl_Element::Destroy (NULL, myBgGradientArray); |
114 | OpenGl_Element::Destroy (NULL, myBgTextureArray); | |
115 | OpenGl_Element::Destroy (NULL, myTextureParams); | |
bf75be98 | 116 | } |
117 | ||
c357e426 | 118 | // ======================================================================= |
119 | // function : ReleaseGlResources | |
120 | // purpose : | |
121 | // ======================================================================= | |
bf75be98 | 122 | void OpenGl_View::ReleaseGlResources (const Handle(OpenGl_Context)& theCtx) |
123 | { | |
536d98e2 | 124 | myGraduatedTrihedron.Release (theCtx.operator->()); |
30f0ad28 | 125 | |
bf75be98 | 126 | if (!myTextureEnv.IsNull()) |
127 | { | |
128 | theCtx->DelayedRelease (myTextureEnv); | |
129 | myTextureEnv.Nullify(); | |
130 | } | |
0b0320e7 | 131 | |
132 | if (myTextureParams != NULL) | |
133 | { | |
134 | myTextureParams->Release (theCtx.operator->()); | |
135 | } | |
136 | if (myBgGradientArray != NULL) | |
137 | { | |
138 | myBgGradientArray->Release (theCtx.operator->()); | |
139 | } | |
140 | if (myBgTextureArray != NULL) | |
bf75be98 | 141 | { |
0b0320e7 | 142 | myBgTextureArray->Release (theCtx.operator->()); |
bf75be98 | 143 | } |
91c60b57 | 144 | |
c357e426 | 145 | myMainSceneFbos[0] ->Release (theCtx.operator->()); |
146 | myMainSceneFbos[1] ->Release (theCtx.operator->()); | |
147 | myImmediateSceneFbos[0]->Release (theCtx.operator->()); | |
148 | myImmediateSceneFbos[1]->Release (theCtx.operator->()); | |
3c4b62a4 | 149 | myOpenGlFBO ->Release (theCtx.operator->()); |
150 | myOpenGlFBO2 ->Release (theCtx.operator->()); | |
c357e426 | 151 | myFullScreenQuad .Release (theCtx.operator->()); |
152 | myFullScreenQuadFlip .Release (theCtx.operator->()); | |
153 | ||
91c60b57 | 154 | releaseRaytraceResources (theCtx); |
bf75be98 | 155 | } |
2166f0fa | 156 | |
c357e426 | 157 | // ======================================================================= |
158 | // function : Remove | |
159 | // purpose : | |
160 | // ======================================================================= | |
161 | void OpenGl_View::Remove() | |
bf75be98 | 162 | { |
c357e426 | 163 | if (IsRemoved()) |
bf75be98 | 164 | { |
c357e426 | 165 | return; |
bf75be98 | 166 | } |
167 | ||
c357e426 | 168 | myDriver->RemoveView (this); |
169 | myWindow.Nullify(); | |
170 | ||
171 | Graphic3d_CView::Remove(); | |
172 | } | |
173 | ||
7c3ef2f7 | 174 | // ======================================================================= |
175 | // function : SetTextureEnv | |
176 | // purpose : | |
177 | // ======================================================================= | |
178 | void OpenGl_View::SetCamera(const Handle(Graphic3d_Camera)& theCamera) | |
179 | { | |
180 | myCamera = theCamera; | |
181 | } | |
182 | ||
183 | // ======================================================================= | |
184 | // function : SetLocalOrigin | |
185 | // purpose : | |
186 | // ======================================================================= | |
187 | void OpenGl_View::SetLocalOrigin (const gp_XYZ& theOrigin) | |
188 | { | |
189 | myLocalOrigin = theOrigin; | |
190 | const Handle(OpenGl_Context)& aCtx = myWorkspace->GetGlContext(); | |
191 | if (!aCtx.IsNull()) | |
192 | { | |
193 | aCtx->ShaderManager()->SetLocalOrigin (theOrigin); | |
194 | } | |
195 | } | |
196 | ||
c357e426 | 197 | // ======================================================================= |
198 | // function : SetTextureEnv | |
199 | // purpose : | |
200 | // ======================================================================= | |
201 | void OpenGl_View::SetTextureEnv (const Handle(Graphic3d_TextureEnv)& theTextureEnv) | |
202 | { | |
203 | Handle(OpenGl_Context) aCtx = myWorkspace->GetGlContext(); | |
204 | if (!aCtx.IsNull() && !myTextureEnv.IsNull()) | |
205 | { | |
206 | aCtx->DelayedRelease (myTextureEnv); | |
207 | } | |
208 | ||
209 | myToUpdateEnvironmentMap = Standard_True; | |
210 | myTextureEnvData = theTextureEnv; | |
211 | myTextureEnv.Nullify(); | |
212 | initTextureEnv (aCtx); | |
213 | } | |
214 | ||
215 | // ======================================================================= | |
216 | // function : initTextureEnv | |
217 | // purpose : | |
218 | // ======================================================================= | |
219 | void OpenGl_View::initTextureEnv (const Handle(OpenGl_Context)& theContext) | |
220 | { | |
221 | if (myTextureEnvData.IsNull() | |
222 | || theContext.IsNull() | |
223 | || !theContext->MakeCurrent()) | |
bf75be98 | 224 | { |
225 | return; | |
226 | } | |
227 | ||
c357e426 | 228 | myTextureEnv = new OpenGl_Texture (myTextureEnvData->GetParams()); |
229 | Handle(Image_PixMap) anImage = myTextureEnvData->GetImage(); | |
e276548b | 230 | if (!anImage.IsNull()) |
c357e426 | 231 | { |
232 | myTextureEnv->Init (theContext, *anImage.operator->(), myTextureEnvData->Type()); | |
233 | } | |
234 | } | |
e276548b | 235 | |
c357e426 | 236 | // ======================================================================= |
237 | // function : SetImmediateModeDrawToFront | |
238 | // purpose : | |
239 | // ======================================================================= | |
240 | Standard_Boolean OpenGl_View::SetImmediateModeDrawToFront (const Standard_Boolean theDrawToFrontBuffer) | |
241 | { | |
242 | const Standard_Boolean aPrevMode = myTransientDrawToFront; | |
243 | myTransientDrawToFront = theDrawToFrontBuffer; | |
244 | return aPrevMode; | |
e276548b | 245 | } |
246 | ||
c357e426 | 247 | // ======================================================================= |
248 | // function : SetWindow | |
249 | // purpose : | |
250 | // ======================================================================= | |
251 | void OpenGl_View::SetWindow (const Handle(Aspect_Window)& theWindow, | |
a521d90d | 252 | const Aspect_RenderingContext theContext) |
e276548b | 253 | { |
c357e426 | 254 | myWindow = myDriver->CreateRenderWindow (theWindow, theContext); |
255 | Standard_ASSERT_RAISE (!myWindow.IsNull(), | |
256 | "OpenGl_View::SetWindow, " | |
257 | "Failed to create OpenGl window."); | |
e276548b | 258 | |
c357e426 | 259 | myWorkspace = new OpenGl_Workspace (this, myWindow); |
260 | myWorldViewProjState.Reset(); | |
91c60b57 | 261 | myToUpdateEnvironmentMap = Standard_True; |
c357e426 | 262 | myHasFboBlit = Standard_True; |
263 | Invalidate(); | |
264 | ||
265 | // Environment texture resource does not support lazy initialization. | |
266 | initTextureEnv (myWorkspace->GetGlContext()); | |
267 | } | |
268 | ||
269 | // ======================================================================= | |
270 | // function : Resized | |
271 | // purpose : | |
272 | // ======================================================================= | |
273 | void OpenGl_View::Resized() | |
274 | { | |
275 | if (myWindow.IsNull()) | |
276 | return; | |
277 | ||
278 | myWindow->Resize(); | |
279 | } | |
280 | ||
c357e426 | 281 | // ======================================================================= |
282 | // function : SetMinMaxValuesCallback | |
283 | // purpose : | |
284 | // ======================================================================= | |
285 | static void SetMinMaxValuesCallback (Graphic3d_CView* theView) | |
286 | { | |
287 | OpenGl_View* aView = dynamic_cast<OpenGl_View*>(theView); | |
288 | if (aView == NULL) | |
289 | return; | |
290 | ||
291 | Bnd_Box aBox = theView->MinMaxValues(); | |
292 | if (!aBox.IsVoid()) | |
2166f0fa | 293 | { |
c357e426 | 294 | gp_Pnt aMin = aBox.CornerMin(); |
295 | gp_Pnt aMax = aBox.CornerMax(); | |
296 | ||
297 | Graphic3d_Vec3 aMinVec ((Standard_ShortReal )aMin.X(), (Standard_ShortReal )aMin.Y(), (Standard_ShortReal )aMin.Z()); | |
298 | Graphic3d_Vec3 aMaxVec ((Standard_ShortReal )aMax.X(), (Standard_ShortReal )aMax.Y(), (Standard_ShortReal )aMax.Z()); | |
299 | aView->GraduatedTrihedronMinMaxValues (aMinVec, aMaxVec); | |
2166f0fa SK |
300 | } |
301 | } | |
302 | ||
c357e426 | 303 | // ======================================================================= |
304 | // function : GraduatedTrihedronDisplay | |
305 | // purpose : | |
306 | // ======================================================================= | |
307 | void OpenGl_View::GraduatedTrihedronDisplay (const Graphic3d_GraduatedTrihedron& theTrihedronData) | |
308 | { | |
309 | myGTrihedronData = theTrihedronData; | |
310 | myGTrihedronData.PtrView = this; | |
311 | myGTrihedronData.CubicAxesCallback = SetMinMaxValuesCallback; | |
312 | myGraduatedTrihedron.SetValues (myGTrihedronData); | |
313 | myToShowGradTrihedron = true; | |
314 | } | |
2166f0fa | 315 | |
c357e426 | 316 | // ======================================================================= |
317 | // function : GraduatedTrihedronErase | |
318 | // purpose : | |
319 | // ======================================================================= | |
320 | void OpenGl_View::GraduatedTrihedronErase() | |
2166f0fa | 321 | { |
c357e426 | 322 | myGTrihedronData.PtrView = NULL; |
323 | myGraduatedTrihedron.Release (myWorkspace->GetGlContext().operator->()); | |
324 | myToShowGradTrihedron = false; | |
2166f0fa SK |
325 | } |
326 | ||
c357e426 | 327 | // ======================================================================= |
328 | // function : GraduatedTrihedronMinMaxValues | |
329 | // purpose : | |
330 | // ======================================================================= | |
331 | void OpenGl_View::GraduatedTrihedronMinMaxValues (const Graphic3d_Vec3 theMin, const Graphic3d_Vec3 theMax) | |
332 | { | |
333 | myGraduatedTrihedron.SetMinMax (theMin, theMax); | |
334 | } | |
2166f0fa | 335 | |
c357e426 | 336 | // ======================================================================= |
337 | // function : BufferDump | |
338 | // purpose : | |
339 | // ======================================================================= | |
340 | Standard_Boolean OpenGl_View::BufferDump (Image_PixMap& theImage, const Graphic3d_BufferType& theBufferType) | |
341 | { | |
342 | return myWorkspace->BufferDump (myFBO, theImage, theBufferType); | |
343 | } | |
344 | ||
345 | // ======================================================================= | |
346 | // function : Background | |
347 | // purpose : | |
348 | // ======================================================================= | |
349 | Aspect_Background OpenGl_View::Background() const | |
350 | { | |
b6472664 | 351 | return Aspect_Background (myBgColor.GetRGB()); |
c357e426 | 352 | } |
353 | ||
354 | // ======================================================================= | |
355 | // function : SetBackground | |
356 | // purpose : | |
357 | // ======================================================================= | |
358 | void OpenGl_View::SetBackground (const Aspect_Background& theBackground) | |
359 | { | |
b6472664 | 360 | myBgColor.SetRGB (theBackground.Color()); |
c357e426 | 361 | } |
362 | ||
363 | // ======================================================================= | |
364 | // function : GradientBackground | |
365 | // purpose : | |
366 | // ======================================================================= | |
367 | Aspect_GradientBackground OpenGl_View::GradientBackground() const | |
368 | { | |
369 | Quantity_Color aColor1, aColor2; | |
370 | aColor1.SetValues (myBgGradientArray->GradientColor (0).r(), | |
371 | myBgGradientArray->GradientColor (0).g(), | |
372 | myBgGradientArray->GradientColor (0).b(), Quantity_TOC_RGB); | |
373 | aColor2.SetValues (myBgGradientArray->GradientColor (1).r(), | |
374 | myBgGradientArray->GradientColor (1).g(), | |
375 | myBgGradientArray->GradientColor (1).b(), Quantity_TOC_RGB); | |
376 | return Aspect_GradientBackground (aColor1, aColor2, myBgGradientArray->GradientFillMethod()); | |
377 | } | |
2166f0fa | 378 | |
c357e426 | 379 | // ======================================================================= |
380 | // function : SetGradientBackground | |
381 | // purpose : | |
382 | // ======================================================================= | |
383 | void OpenGl_View::SetGradientBackground (const Aspect_GradientBackground& theBackground) | |
2166f0fa | 384 | { |
c357e426 | 385 | Quantity_Color aColor1, aColor2; |
386 | theBackground.Colors (aColor1, aColor2); | |
387 | myBgGradientArray->SetGradientParameters (aColor1, aColor2, theBackground.BgGradientFillMethod()); | |
388 | } | |
389 | ||
390 | // ======================================================================= | |
391 | // function : SetBackgroundImage | |
392 | // purpose : | |
393 | // ======================================================================= | |
394 | void OpenGl_View::SetBackgroundImage (const TCollection_AsciiString& theFilePath) | |
395 | { | |
396 | // Prepare aspect for texture storage | |
397 | myBackgroundImagePath = theFilePath; | |
398 | Handle(Graphic3d_AspectFillArea3d) anAspect = new Graphic3d_AspectFillArea3d(); | |
399 | Handle(Graphic3d_Texture2Dmanual) aTextureMap = new Graphic3d_Texture2Dmanual (TCollection_AsciiString (theFilePath)); | |
400 | aTextureMap->EnableRepeat(); | |
401 | aTextureMap->DisableModulate(); | |
402 | aTextureMap->GetParams()->SetGenMode (Graphic3d_TOTM_MANUAL, | |
403 | Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f), | |
404 | Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f)); | |
405 | anAspect->SetTextureMap (aTextureMap); | |
406 | anAspect->SetInteriorStyle (Aspect_IS_SOLID); | |
b6472664 | 407 | anAspect->SetSuppressBackFaces (false); |
c357e426 | 408 | // Enable texture mapping |
409 | if (aTextureMap->IsDone()) | |
2166f0fa | 410 | { |
c357e426 | 411 | anAspect->SetTextureMapOn(); |
2166f0fa SK |
412 | } |
413 | else | |
414 | { | |
c357e426 | 415 | anAspect->SetTextureMapOff(); |
416 | return; | |
417 | } | |
2166f0fa | 418 | |
c357e426 | 419 | // Set texture parameters |
420 | myTextureParams->SetAspect (anAspect); | |
421 | } | |
2166f0fa | 422 | |
c357e426 | 423 | // ======================================================================= |
424 | // function : BackgroundImageStyle | |
425 | // purpose : | |
426 | // ======================================================================= | |
427 | Aspect_FillMethod OpenGl_View::BackgroundImageStyle() const | |
428 | { | |
429 | return myBgTextureArray->TextureFillMethod(); | |
2166f0fa SK |
430 | } |
431 | ||
c357e426 | 432 | // ======================================================================= |
433 | // function : SetBackgroundImageStyle | |
434 | // purpose : | |
435 | // ======================================================================= | |
436 | void OpenGl_View::SetBackgroundImageStyle (const Aspect_FillMethod theFillStyle) | |
437 | { | |
438 | myBgTextureArray->SetTextureFillMethod (theFillStyle); | |
439 | } | |
2166f0fa | 440 | |
c357e426 | 441 | //======================================================================= |
442 | //function : AddZLayer | |
443 | //purpose : | |
444 | //======================================================================= | |
445 | void OpenGl_View::AddZLayer (const Graphic3d_ZLayerId theLayerId) | |
2166f0fa | 446 | { |
c357e426 | 447 | myZLayers.AddLayer (theLayerId); |
2166f0fa SK |
448 | } |
449 | ||
c357e426 | 450 | //======================================================================= |
451 | //function : RemoveZLayer | |
452 | //purpose : | |
453 | //======================================================================= | |
454 | void OpenGl_View::RemoveZLayer (const Graphic3d_ZLayerId theLayerId) | |
455 | { | |
456 | myZLayers.RemoveLayer (theLayerId); | |
457 | } | |
2166f0fa | 458 | |
c357e426 | 459 | //======================================================================= |
460 | //function : SetZLayerSettings | |
461 | //purpose : | |
462 | //======================================================================= | |
463 | void OpenGl_View::SetZLayerSettings (const Graphic3d_ZLayerId theLayerId, | |
464 | const Graphic3d_ZLayerSettings& theSettings) | |
2166f0fa | 465 | { |
c357e426 | 466 | myZLayers.SetLayerSettings (theLayerId, theSettings); |
2166f0fa SK |
467 | } |
468 | ||
50d06d8f | 469 | //======================================================================= |
470 | //function : ZLayerMax | |
471 | //purpose : | |
472 | //======================================================================= | |
473 | Standard_Integer OpenGl_View::ZLayerMax() const | |
474 | { | |
475 | Standard_Integer aLayerMax = Graphic3d_ZLayerId_Default; | |
476 | for (OpenGl_LayerSeqIds::Iterator aMapIt(myZLayers.LayerIDs()); aMapIt.More(); aMapIt.Next()) | |
477 | { | |
478 | aLayerMax = Max (aLayerMax, aMapIt.Value()); | |
479 | } | |
480 | ||
481 | return aLayerMax; | |
482 | } | |
483 | ||
484 | //======================================================================= | |
485 | //function : InvalidateZLayerBoundingBox | |
486 | //purpose : | |
487 | //======================================================================= | |
488 | void OpenGl_View::InvalidateZLayerBoundingBox (const Graphic3d_ZLayerId theLayerId) const | |
489 | { | |
490 | if (myZLayers.LayerIDs().IsBound (theLayerId)) | |
491 | { | |
492 | myZLayers.Layer (theLayerId).InvalidateBoundingBox(); | |
493 | } | |
494 | else | |
495 | { | |
1475265b | 496 | const Standard_Integer aLayerMax = ZLayerMax(); |
497 | for (Standard_Integer aLayerId = Graphic3d_ZLayerId_Default; aLayerId < aLayerMax; ++aLayerId) | |
50d06d8f | 498 | { |
499 | if (myZLayers.LayerIDs().IsBound (aLayerId)) | |
500 | { | |
501 | const OpenGl_Layer& aLayer = myZLayers.Layer (aLayerId); | |
502 | if (aLayer.NbOfTransformPersistenceObjects() > 0) | |
503 | { | |
504 | aLayer.InvalidateBoundingBox(); | |
505 | } | |
506 | } | |
507 | } | |
508 | } | |
509 | } | |
510 | ||
511 | //======================================================================= | |
512 | //function : ZLayerBoundingBox | |
513 | //purpose : | |
514 | //======================================================================= | |
7c3ef2f7 | 515 | Bnd_Box OpenGl_View::ZLayerBoundingBox (const Graphic3d_ZLayerId theLayerId, |
516 | const Handle(Graphic3d_Camera)& theCamera, | |
517 | const Standard_Integer theWindowWidth, | |
518 | const Standard_Integer theWindowHeight, | |
519 | const Standard_Boolean theToIncludeAuxiliary) const | |
50d06d8f | 520 | { |
7c3ef2f7 | 521 | Bnd_Box aBox; |
50d06d8f | 522 | if (myZLayers.LayerIDs().IsBound (theLayerId)) |
523 | { | |
71d8ccc7 | 524 | aBox = myZLayers.Layer (theLayerId).BoundingBox (Identification(), |
50d06d8f | 525 | theCamera, |
526 | theWindowWidth, | |
527 | theWindowHeight, | |
3fe9ce0e | 528 | theToIncludeAuxiliary); |
50d06d8f | 529 | } |
530 | ||
71d8ccc7 | 531 | // add bounding box of gradient/texture background for proper Z-fit |
532 | if (theToIncludeAuxiliary | |
533 | && theLayerId == Graphic3d_ZLayerId_BotOSD | |
534 | && (myBgTextureArray->IsDefined() | |
535 | || myBgGradientArray->IsDefined())) | |
536 | { | |
537 | // Background is drawn using 2D transformation persistence | |
538 | // (e.g. it is actually placed in 3D coordinates within active camera position). | |
539 | // We add here full-screen plane with 2D transformation persistence | |
540 | // for simplicity (myBgTextureArray might define a little bit different options | |
541 | // but it is updated within ::Render()) | |
7c3ef2f7 | 542 | const Graphic3d_Mat4d& aProjectionMat = theCamera->ProjectionMatrix(); |
543 | const Graphic3d_Mat4d& aWorldViewMat = theCamera->OrientationMatrix(); | |
544 | Graphic3d_BndBox3d aBox2d (Graphic3d_Vec3d (0.0, 0.0, 0.0), | |
545 | Graphic3d_Vec3d (double(theWindowWidth), double(theWindowHeight), 0.0)); | |
71d8ccc7 | 546 | |
778cd667 | 547 | Graphic3d_TransformPers aTrsfPers (Graphic3d_TMF_2d, Aspect_TOTP_LEFT_LOWER); |
71d8ccc7 | 548 | aTrsfPers.Apply (theCamera, |
549 | aProjectionMat, | |
550 | aWorldViewMat, | |
551 | theWindowWidth, | |
552 | theWindowHeight, | |
553 | aBox2d); | |
7c3ef2f7 | 554 | aBox.Add (gp_Pnt (aBox2d.CornerMin().x(), aBox2d.CornerMin().y(), aBox2d.CornerMin().z())); |
555 | aBox.Add (gp_Pnt (aBox2d.CornerMax().x(), aBox2d.CornerMax().y(), aBox2d.CornerMax().z())); | |
71d8ccc7 | 556 | } |
557 | ||
558 | return aBox; | |
50d06d8f | 559 | } |
560 | ||
561 | //======================================================================= | |
562 | //function : considerZoomPersistenceObjects | |
563 | //purpose : | |
564 | //======================================================================= | |
565 | Standard_Real OpenGl_View::considerZoomPersistenceObjects (const Graphic3d_ZLayerId theLayerId, | |
566 | const Handle(Graphic3d_Camera)& theCamera, | |
567 | const Standard_Integer theWindowWidth, | |
3fe9ce0e | 568 | const Standard_Integer theWindowHeight) const |
50d06d8f | 569 | { |
1d92133e | 570 | if (myZLayers.LayerIDs().IsBound (theLayerId)) |
50d06d8f | 571 | { |
572 | return myZLayers.Layer (theLayerId).considerZoomPersistenceObjects (Identification(), | |
573 | theCamera, | |
574 | theWindowWidth, | |
3fe9ce0e | 575 | theWindowHeight); |
50d06d8f | 576 | } |
577 | ||
578 | return 1.0; | |
579 | } | |
580 | ||
c357e426 | 581 | //======================================================================= |
582 | //function : FBO | |
583 | //purpose : | |
584 | //======================================================================= | |
b128c892 | 585 | Handle(Standard_Transient) OpenGl_View::FBO() const |
c357e426 | 586 | { |
b128c892 | 587 | return Handle(Standard_Transient)(myFBO); |
c357e426 | 588 | } |
2166f0fa | 589 | |
c357e426 | 590 | //======================================================================= |
591 | //function : SetFBO | |
592 | //purpose : | |
593 | //======================================================================= | |
b128c892 | 594 | void OpenGl_View::SetFBO (const Handle(Standard_Transient)& theFbo) |
2166f0fa | 595 | { |
b128c892 | 596 | myFBO = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
2166f0fa SK |
597 | } |
598 | ||
c357e426 | 599 | //======================================================================= |
600 | //function : FBOCreate | |
601 | //purpose : | |
602 | //======================================================================= | |
b128c892 | 603 | Handle(Standard_Transient) OpenGl_View::FBOCreate (const Standard_Integer theWidth, |
604 | const Standard_Integer theHeight) | |
c357e426 | 605 | { |
606 | return myWorkspace->FBOCreate (theWidth, theHeight); | |
607 | } | |
2166f0fa | 608 | |
c357e426 | 609 | //======================================================================= |
610 | //function : FBORelease | |
611 | //purpose : | |
612 | //======================================================================= | |
b128c892 | 613 | void OpenGl_View::FBORelease (Handle(Standard_Transient)& theFbo) |
2166f0fa | 614 | { |
b128c892 | 615 | Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
616 | if (aFrameBuffer.IsNull()) | |
617 | { | |
618 | return; | |
619 | } | |
620 | ||
621 | myWorkspace->FBORelease (aFrameBuffer); | |
622 | theFbo.Nullify(); | |
c357e426 | 623 | } |
624 | ||
625 | //======================================================================= | |
626 | //function : FBOGetDimensions | |
627 | //purpose : | |
628 | //======================================================================= | |
b128c892 | 629 | void OpenGl_View::FBOGetDimensions (const Handle(Standard_Transient)& theFbo, |
c357e426 | 630 | Standard_Integer& theWidth, |
631 | Standard_Integer& theHeight, | |
632 | Standard_Integer& theWidthMax, | |
633 | Standard_Integer& theHeightMax) | |
634 | { | |
b128c892 | 635 | const Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
636 | if (aFrameBuffer.IsNull()) | |
637 | { | |
638 | return; | |
639 | } | |
640 | ||
c357e426 | 641 | theWidth = aFrameBuffer->GetVPSizeX(); // current viewport size |
642 | theHeight = aFrameBuffer->GetVPSizeY(); | |
643 | theWidthMax = aFrameBuffer->GetSizeX(); // texture size | |
644 | theHeightMax = aFrameBuffer->GetSizeY(); | |
645 | } | |
646 | ||
647 | //======================================================================= | |
648 | //function : FBOChangeViewport | |
649 | //purpose : | |
650 | //======================================================================= | |
b128c892 | 651 | void OpenGl_View::FBOChangeViewport (const Handle(Standard_Transient)& theFbo, |
c357e426 | 652 | const Standard_Integer theWidth, |
653 | const Standard_Integer theHeight) | |
654 | { | |
b128c892 | 655 | const Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
656 | if (aFrameBuffer.IsNull()) | |
657 | { | |
658 | return; | |
659 | } | |
660 | ||
c357e426 | 661 | aFrameBuffer->ChangeViewport (theWidth, theHeight); |
662 | } | |
663 | ||
664 | // ======================================================================= | |
665 | // function : Export | |
666 | // purpose : | |
667 | // ======================================================================= | |
668 | #ifdef HAVE_GL2PS | |
669 | Standard_Boolean OpenGl_View::Export (const Standard_CString theFileName, | |
670 | const Graphic3d_ExportFormat theFormat, | |
671 | const Graphic3d_SortType theSortType) | |
672 | { | |
673 | // gl2psBeginPage() will call OpenGL functions | |
674 | // so we should activate correct GL context before redraw scene call | |
675 | if (!myWorkspace->Activate()) | |
676 | { | |
677 | return Standard_False; | |
678 | } | |
679 | ||
680 | Standard_Integer aFormat = -1; | |
681 | Standard_Integer aSortType = Graphic3d_ST_BSP_Tree; | |
682 | switch (theFormat) | |
683 | { | |
684 | case Graphic3d_EF_PostScript: | |
685 | aFormat = GL2PS_PS; | |
686 | break; | |
687 | case Graphic3d_EF_EnhPostScript: | |
688 | aFormat = GL2PS_EPS; | |
689 | break; | |
690 | case Graphic3d_EF_TEX: | |
691 | aFormat = GL2PS_TEX; | |
692 | break; | |
693 | case Graphic3d_EF_PDF: | |
694 | aFormat = GL2PS_PDF; | |
695 | break; | |
696 | case Graphic3d_EF_SVG: | |
697 | aFormat = GL2PS_SVG; | |
698 | break; | |
699 | case Graphic3d_EF_PGF: | |
700 | aFormat = GL2PS_PGF; | |
701 | break; | |
702 | case Graphic3d_EF_EMF: | |
703 | //aFormat = GL2PS_EMF; | |
704 | aFormat = GL2PS_PGF + 1; // 6 | |
705 | break; | |
706 | default: | |
707 | // unsupported format | |
708 | return Standard_False; | |
709 | } | |
710 | ||
711 | switch (theSortType) | |
712 | { | |
713 | case Graphic3d_ST_Simple: | |
714 | aSortType = GL2PS_SIMPLE_SORT; | |
715 | break; | |
716 | case Graphic3d_ST_BSP_Tree: | |
717 | aSortType = GL2PS_BSP_SORT; | |
718 | break; | |
719 | } | |
720 | ||
721 | GLint aViewport[4]; | |
722 | aViewport[0] = 0; | |
723 | aViewport[1] = 0; | |
724 | aViewport[2] = myWindow->Width(); | |
725 | aViewport[3] = myWindow->Height(); | |
726 | ||
727 | GLint aBufferSize = 1024 * 1024; | |
728 | GLint anErrCode = GL2PS_SUCCESS; | |
729 | ||
730 | // gl2ps uses standard write functions and do not check locale | |
731 | Standard_CLocaleSentry aLocaleSentry; | |
732 | ||
733 | while (aBufferSize > 0) | |
734 | { | |
735 | // current patch for EMF support in gl2ps uses WinAPI functions to create file | |
736 | FILE* aFileH = (theFormat != Graphic3d_EF_EMF) ? fopen (theFileName, "wb") : NULL; | |
737 | anErrCode = gl2psBeginPage ("", "", aViewport, aFormat, aSortType, | |
738 | GL2PS_DRAW_BACKGROUND | GL2PS_OCCLUSION_CULL | GL2PS_BEST_ROOT/* | GL2PS_SIMPLE_LINE_OFFSET*/, | |
739 | GL_RGBA, 0, NULL, | |
740 | 0, 0, 0, aBufferSize, aFileH, theFileName); | |
741 | if (anErrCode != GL2PS_SUCCESS) | |
742 | { | |
743 | // initialization failed | |
744 | if (aFileH != NULL) | |
745 | fclose (aFileH); | |
746 | break; | |
747 | } | |
748 | Redraw(); | |
749 | ||
750 | anErrCode = gl2psEndPage(); | |
751 | if (aFileH != NULL) | |
752 | fclose (aFileH); | |
753 | ||
754 | if (anErrCode == GL2PS_OVERFLOW) | |
755 | aBufferSize *= 2; | |
756 | else | |
757 | break; | |
758 | } | |
759 | return anErrCode == GL2PS_SUCCESS; | |
760 | } | |
761 | #else | |
762 | Standard_Boolean OpenGl_View::Export (const Standard_CString /*theFileName*/, | |
763 | const Graphic3d_ExportFormat /*theFormat*/, | |
764 | const Graphic3d_SortType /*theSortType*/) | |
765 | { | |
766 | return Standard_False; | |
767 | } | |
768 | #endif | |
769 | ||
770 | //======================================================================= | |
771 | //function : displayStructure | |
772 | //purpose : | |
773 | //======================================================================= | |
774 | void OpenGl_View::displayStructure (const Handle(Graphic3d_CStructure)& theStructure, | |
775 | const Standard_Integer thePriority) | |
776 | { | |
777 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
778 | const Graphic3d_ZLayerId aZLayer = aStruct->ZLayer(); | |
779 | myZLayers.AddStructure (aStruct, aZLayer, thePriority); | |
780 | } | |
781 | ||
782 | //======================================================================= | |
783 | //function : eraseStructure | |
784 | //purpose : | |
785 | //======================================================================= | |
786 | void OpenGl_View::eraseStructure (const Handle(Graphic3d_CStructure)& theStructure) | |
787 | { | |
788 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
789 | myZLayers.RemoveStructure (aStruct); | |
790 | } | |
791 | ||
792 | //======================================================================= | |
793 | //function : changeZLayer | |
794 | //purpose : | |
795 | //======================================================================= | |
796 | void OpenGl_View::changeZLayer (const Handle(Graphic3d_CStructure)& theStructure, | |
797 | const Graphic3d_ZLayerId theNewLayerId) | |
798 | { | |
799 | const Graphic3d_ZLayerId anOldLayer = theStructure->ZLayer(); | |
800 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
801 | myZLayers.ChangeLayer (aStruct, anOldLayer, theNewLayerId); | |
cfece3ef | 802 | Update (anOldLayer); |
803 | Update (theNewLayerId); | |
c357e426 | 804 | } |
805 | ||
806 | //======================================================================= | |
807 | //function : changePriority | |
808 | //purpose : | |
809 | //======================================================================= | |
810 | void OpenGl_View::changePriority (const Handle(Graphic3d_CStructure)& theStructure, | |
811 | const Standard_Integer theNewPriority) | |
812 | { | |
813 | const Graphic3d_ZLayerId aLayerId = theStructure->ZLayer(); | |
814 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
815 | myZLayers.ChangePriority (aStruct, aLayerId, theNewPriority); | |
2166f0fa | 816 | } |
26d9c835 | 817 | |
818 | //======================================================================= | |
819 | //function : DiagnosticInformation | |
820 | //purpose : | |
821 | //======================================================================= | |
822 | void OpenGl_View::DiagnosticInformation (TColStd_IndexedDataMapOfStringString& theDict, | |
823 | Graphic3d_DiagnosticInfo theFlags) const | |
824 | { | |
825 | Handle(OpenGl_Context) aCtx = myWorkspace->GetGlContext(); | |
826 | if (!myWorkspace->Activate() | |
827 | || aCtx.IsNull()) | |
828 | { | |
829 | return; | |
830 | } | |
831 | ||
832 | aCtx->DiagnosticInformation (theDict, theFlags); | |
833 | if ((theFlags & Graphic3d_DiagnosticInfo_FrameBuffer) != 0) | |
834 | { | |
835 | TCollection_AsciiString aResRatio (myRenderParams.ResolutionRatio()); | |
836 | theDict.ChangeFromIndex (theDict.Add ("ResolutionRatio", aResRatio)) = aResRatio; | |
837 | } | |
838 | } |