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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 | 39 | IMPLEMENT_STANDARD_RTTIEXT(OpenGl_View,Graphic3d_CView) |
40 | ||
c357e426 | 41 | #ifdef HAVE_GL2PS |
42 | #include <gl2ps.h> | |
43 | #endif | |
2166f0fa | 44 | |
c357e426 | 45 | // ======================================================================= |
46 | // function : Constructor | |
47 | // purpose : | |
48 | // ======================================================================= | |
49 | OpenGl_View::OpenGl_View (const Handle(Graphic3d_StructureManager)& theMgr, | |
50 | const Handle(OpenGl_GraphicDriver)& theDriver, | |
51 | const Handle(OpenGl_Caps)& theCaps, | |
c357e426 | 52 | OpenGl_StateCounter* theCounter) |
53 | : Graphic3d_CView (theMgr), | |
54 | myDriver (theDriver.operator->()), | |
55 | myCaps (theCaps), | |
c357e426 | 56 | myWasRedrawnGL (Standard_False), |
c357e426 | 57 | myCulling (Standard_True), |
58 | myShadingModel (Graphic3d_TOSM_FACET), | |
c357e426 | 59 | myBackfacing (Graphic3d_TOBM_AUTOMATIC), |
b6472664 | 60 | myBgColor (Quantity_NOC_BLACK), |
c357e426 | 61 | myCamera (new Graphic3d_Camera()), |
c357e426 | 62 | myToShowGradTrihedron (false), |
f5b72419 | 63 | myZLayers (Structure_MAX_PRIORITY - Structure_MIN_PRIORITY + 1), |
c357e426 | 64 | myStateCounter (theCounter), |
992ed6b3 | 65 | myCurrLightSourceState (theCounter->Increment()), |
66 | myLightsRevision (0), | |
0b0320e7 | 67 | myLastLightSourceState (0, 0), |
a1073ae2 | 68 | #if !defined(GL_ES_VERSION_2_0) |
3c4b62a4 | 69 | myFboColorFormat (GL_RGBA8), |
a1073ae2 | 70 | #else |
71 | myFboColorFormat (GL_RGBA), | |
72 | #endif | |
3c4b62a4 | 73 | myFboDepthFormat (GL_DEPTH24_STENCIL8), |
74 | myToFlipOutput (Standard_False), | |
c357e426 | 75 | myFrameCounter (0), |
76 | myHasFboBlit (Standard_True), | |
a1073ae2 | 77 | myToDisableOIT (Standard_False), |
78 | myToDisableOITMSAA (Standard_False), | |
7ccf8676 | 79 | myToDisableMSAA (Standard_False), |
c357e426 | 80 | myTransientDrawToFront (Standard_True), |
81 | myBackBufferRestored (Standard_False), | |
82 | myIsImmediateDrawn (Standard_False), | |
0b0320e7 | 83 | myTextureParams (new OpenGl_AspectFace()), |
84 | myBgGradientArray (new OpenGl_BackgroundArray (Graphic3d_TOB_GRADIENT)), | |
91c60b57 | 85 | myBgTextureArray (new OpenGl_BackgroundArray (Graphic3d_TOB_TEXTURE)), |
86 | // ray-tracing fields initialization | |
c357e426 | 87 | myRaytraceInitStatus (OpenGl_RT_NONE), |
88 | myIsRaytraceDataValid (Standard_False), | |
91c60b57 | 89 | myIsRaytraceWarnTextures (Standard_False), |
f5b72419 | 90 | myRaytraceBVHBuilder (new BVH_BinnedBuilder<Standard_ShortReal, 3, BVH_Constants_NbBinsBest> (BVH_Constants_LeafNodeSizeAverage, |
91 | BVH_Constants_MaxTreeDepth, | |
92 | Standard_False, | |
93 | OSD_Parallel::NbLogicalProcessors() + 1)), | |
94 | myRaytraceSceneRadius (0.0f), | |
95 | myRaytraceSceneEpsilon (1.0e-6f), | |
91c60b57 | 96 | myToUpdateEnvironmentMap (Standard_False), |
b27ab03d | 97 | myRaytraceLayerListState (0), |
98 | myPrevCameraApertureRadius(0.f), | |
99 | myPrevCameraFocalPlaneDist(0.f) | |
2166f0fa | 100 | { |
c357e426 | 101 | myWorkspace = new OpenGl_Workspace (this, NULL); |
2166f0fa | 102 | |
992ed6b3 | 103 | Handle(Graphic3d_CLight) aLight = new Graphic3d_CLight (Graphic3d_TOLS_AMBIENT); |
104 | aLight->SetHeadlight (false); | |
105 | aLight->SetColor (Quantity_NOC_WHITE); | |
106 | myNoShadingLight = new Graphic3d_LightSet(); | |
107 | myNoShadingLight->Add (aLight); | |
016e5959 | 108 | |
a1073ae2 | 109 | myMainSceneFbos[0] = new OpenGl_FrameBuffer(); |
110 | myMainSceneFbos[1] = new OpenGl_FrameBuffer(); | |
111 | myMainSceneFbosOit[0] = new OpenGl_FrameBuffer(); | |
112 | myMainSceneFbosOit[1] = new OpenGl_FrameBuffer(); | |
113 | myImmediateSceneFbos[0] = new OpenGl_FrameBuffer(); | |
114 | myImmediateSceneFbos[1] = new OpenGl_FrameBuffer(); | |
115 | myImmediateSceneFbosOit[0] = new OpenGl_FrameBuffer(); | |
116 | myImmediateSceneFbosOit[1] = new OpenGl_FrameBuffer(); | |
117 | myOpenGlFBO = new OpenGl_FrameBuffer(); | |
118 | myOpenGlFBO2 = new OpenGl_FrameBuffer(); | |
119 | myRaytraceFBO1[0] = new OpenGl_FrameBuffer(); | |
120 | myRaytraceFBO1[1] = new OpenGl_FrameBuffer(); | |
121 | myRaytraceFBO2[0] = new OpenGl_FrameBuffer(); | |
122 | myRaytraceFBO2[1] = new OpenGl_FrameBuffer(); | |
c357e426 | 123 | } |
124 | ||
125 | // ======================================================================= | |
126 | // function : Destructor | |
127 | // purpose : | |
128 | // ======================================================================= | |
0b0320e7 | 129 | OpenGl_View::~OpenGl_View() |
2166f0fa | 130 | { |
bf75be98 | 131 | ReleaseGlResources (NULL); // ensure ReleaseGlResources() was called within valid context |
0b0320e7 | 132 | OpenGl_Element::Destroy (NULL, myBgGradientArray); |
133 | OpenGl_Element::Destroy (NULL, myBgTextureArray); | |
134 | OpenGl_Element::Destroy (NULL, myTextureParams); | |
bf75be98 | 135 | } |
136 | ||
c357e426 | 137 | // ======================================================================= |
138 | // function : ReleaseGlResources | |
139 | // purpose : | |
140 | // ======================================================================= | |
bf75be98 | 141 | void OpenGl_View::ReleaseGlResources (const Handle(OpenGl_Context)& theCtx) |
142 | { | |
536d98e2 | 143 | myGraduatedTrihedron.Release (theCtx.operator->()); |
15669413 | 144 | myFrameStatsPrs.Release (theCtx.operator->()); |
30f0ad28 | 145 | |
bf75be98 | 146 | if (!myTextureEnv.IsNull()) |
147 | { | |
cc8cbabe | 148 | for (OpenGl_TextureSet::Iterator aTextureIter (myTextureEnv); aTextureIter.More(); aTextureIter.Next()) |
149 | { | |
150 | theCtx->DelayedRelease (aTextureIter.ChangeValue()); | |
151 | aTextureIter.ChangeValue().Nullify(); | |
152 | } | |
bf75be98 | 153 | myTextureEnv.Nullify(); |
154 | } | |
0b0320e7 | 155 | |
156 | if (myTextureParams != NULL) | |
157 | { | |
158 | myTextureParams->Release (theCtx.operator->()); | |
159 | } | |
160 | if (myBgGradientArray != NULL) | |
161 | { | |
162 | myBgGradientArray->Release (theCtx.operator->()); | |
163 | } | |
164 | if (myBgTextureArray != NULL) | |
bf75be98 | 165 | { |
0b0320e7 | 166 | myBgTextureArray->Release (theCtx.operator->()); |
bf75be98 | 167 | } |
91c60b57 | 168 | |
a1073ae2 | 169 | myMainSceneFbos[0] ->Release (theCtx.operator->()); |
170 | myMainSceneFbos[1] ->Release (theCtx.operator->()); | |
171 | myMainSceneFbosOit[0] ->Release (theCtx.operator->()); | |
172 | myMainSceneFbosOit[1] ->Release (theCtx.operator->()); | |
173 | myImmediateSceneFbos[0] ->Release (theCtx.operator->()); | |
174 | myImmediateSceneFbos[1] ->Release (theCtx.operator->()); | |
175 | myImmediateSceneFbosOit[0]->Release (theCtx.operator->()); | |
176 | myImmediateSceneFbosOit[1]->Release (theCtx.operator->()); | |
177 | myOpenGlFBO ->Release (theCtx.operator->()); | |
178 | myOpenGlFBO2 ->Release (theCtx.operator->()); | |
179 | myFullScreenQuad .Release (theCtx.operator->()); | |
180 | myFullScreenQuadFlip .Release (theCtx.operator->()); | |
c357e426 | 181 | |
91c60b57 | 182 | releaseRaytraceResources (theCtx); |
bf75be98 | 183 | } |
2166f0fa | 184 | |
c357e426 | 185 | // ======================================================================= |
186 | // function : Remove | |
187 | // purpose : | |
188 | // ======================================================================= | |
189 | void OpenGl_View::Remove() | |
bf75be98 | 190 | { |
c357e426 | 191 | if (IsRemoved()) |
bf75be98 | 192 | { |
c357e426 | 193 | return; |
bf75be98 | 194 | } |
195 | ||
c357e426 | 196 | myDriver->RemoveView (this); |
197 | myWindow.Nullify(); | |
198 | ||
199 | Graphic3d_CView::Remove(); | |
200 | } | |
201 | ||
7c3ef2f7 | 202 | // ======================================================================= |
203 | // function : SetTextureEnv | |
204 | // purpose : | |
205 | // ======================================================================= | |
206 | void OpenGl_View::SetCamera(const Handle(Graphic3d_Camera)& theCamera) | |
207 | { | |
208 | myCamera = theCamera; | |
209 | } | |
210 | ||
211 | // ======================================================================= | |
212 | // function : SetLocalOrigin | |
213 | // purpose : | |
214 | // ======================================================================= | |
215 | void OpenGl_View::SetLocalOrigin (const gp_XYZ& theOrigin) | |
216 | { | |
217 | myLocalOrigin = theOrigin; | |
218 | const Handle(OpenGl_Context)& aCtx = myWorkspace->GetGlContext(); | |
219 | if (!aCtx.IsNull()) | |
220 | { | |
221 | aCtx->ShaderManager()->SetLocalOrigin (theOrigin); | |
222 | } | |
223 | } | |
224 | ||
c357e426 | 225 | // ======================================================================= |
226 | // function : SetTextureEnv | |
227 | // purpose : | |
228 | // ======================================================================= | |
229 | void OpenGl_View::SetTextureEnv (const Handle(Graphic3d_TextureEnv)& theTextureEnv) | |
230 | { | |
231 | Handle(OpenGl_Context) aCtx = myWorkspace->GetGlContext(); | |
232 | if (!aCtx.IsNull() && !myTextureEnv.IsNull()) | |
233 | { | |
cc8cbabe | 234 | for (OpenGl_TextureSet::Iterator aTextureIter (myTextureEnv); aTextureIter.More(); aTextureIter.Next()) |
235 | { | |
236 | aCtx->DelayedRelease (aTextureIter.ChangeValue()); | |
237 | aTextureIter.ChangeValue().Nullify(); | |
238 | } | |
c357e426 | 239 | } |
240 | ||
241 | myToUpdateEnvironmentMap = Standard_True; | |
242 | myTextureEnvData = theTextureEnv; | |
243 | myTextureEnv.Nullify(); | |
244 | initTextureEnv (aCtx); | |
245 | } | |
246 | ||
247 | // ======================================================================= | |
248 | // function : initTextureEnv | |
249 | // purpose : | |
250 | // ======================================================================= | |
251 | void OpenGl_View::initTextureEnv (const Handle(OpenGl_Context)& theContext) | |
252 | { | |
253 | if (myTextureEnvData.IsNull() | |
254 | || theContext.IsNull() | |
255 | || !theContext->MakeCurrent()) | |
bf75be98 | 256 | { |
257 | return; | |
258 | } | |
259 | ||
cc8cbabe | 260 | myTextureEnv = new OpenGl_TextureSet (1); |
261 | Handle(OpenGl_Texture)& aTextureEnv = myTextureEnv->ChangeFirst(); | |
262 | aTextureEnv = new OpenGl_Texture (myTextureEnvData->GetId(), myTextureEnvData->GetParams()); | |
c357e426 | 263 | Handle(Image_PixMap) anImage = myTextureEnvData->GetImage(); |
e276548b | 264 | if (!anImage.IsNull()) |
c357e426 | 265 | { |
cc8cbabe | 266 | aTextureEnv->Init (theContext, *anImage.operator->(), myTextureEnvData->Type()); |
c357e426 | 267 | } |
268 | } | |
e276548b | 269 | |
c357e426 | 270 | // ======================================================================= |
271 | // function : SetImmediateModeDrawToFront | |
272 | // purpose : | |
273 | // ======================================================================= | |
274 | Standard_Boolean OpenGl_View::SetImmediateModeDrawToFront (const Standard_Boolean theDrawToFrontBuffer) | |
275 | { | |
276 | const Standard_Boolean aPrevMode = myTransientDrawToFront; | |
277 | myTransientDrawToFront = theDrawToFrontBuffer; | |
278 | return aPrevMode; | |
e276548b | 279 | } |
280 | ||
c357e426 | 281 | // ======================================================================= |
282 | // function : SetWindow | |
283 | // purpose : | |
284 | // ======================================================================= | |
285 | void OpenGl_View::SetWindow (const Handle(Aspect_Window)& theWindow, | |
a521d90d | 286 | const Aspect_RenderingContext theContext) |
e276548b | 287 | { |
c357e426 | 288 | myWindow = myDriver->CreateRenderWindow (theWindow, theContext); |
289 | Standard_ASSERT_RAISE (!myWindow.IsNull(), | |
290 | "OpenGl_View::SetWindow, " | |
291 | "Failed to create OpenGl window."); | |
e276548b | 292 | |
c357e426 | 293 | myWorkspace = new OpenGl_Workspace (this, myWindow); |
294 | myWorldViewProjState.Reset(); | |
91c60b57 | 295 | myToUpdateEnvironmentMap = Standard_True; |
c357e426 | 296 | myHasFboBlit = Standard_True; |
297 | Invalidate(); | |
298 | ||
299 | // Environment texture resource does not support lazy initialization. | |
300 | initTextureEnv (myWorkspace->GetGlContext()); | |
301 | } | |
302 | ||
303 | // ======================================================================= | |
304 | // function : Resized | |
305 | // purpose : | |
306 | // ======================================================================= | |
307 | void OpenGl_View::Resized() | |
308 | { | |
309 | if (myWindow.IsNull()) | |
310 | return; | |
311 | ||
312 | myWindow->Resize(); | |
313 | } | |
314 | ||
c357e426 | 315 | // ======================================================================= |
316 | // function : SetMinMaxValuesCallback | |
317 | // purpose : | |
318 | // ======================================================================= | |
319 | static void SetMinMaxValuesCallback (Graphic3d_CView* theView) | |
320 | { | |
321 | OpenGl_View* aView = dynamic_cast<OpenGl_View*>(theView); | |
322 | if (aView == NULL) | |
323 | return; | |
324 | ||
325 | Bnd_Box aBox = theView->MinMaxValues(); | |
326 | if (!aBox.IsVoid()) | |
2166f0fa | 327 | { |
c357e426 | 328 | gp_Pnt aMin = aBox.CornerMin(); |
329 | gp_Pnt aMax = aBox.CornerMax(); | |
330 | ||
331 | Graphic3d_Vec3 aMinVec ((Standard_ShortReal )aMin.X(), (Standard_ShortReal )aMin.Y(), (Standard_ShortReal )aMin.Z()); | |
332 | Graphic3d_Vec3 aMaxVec ((Standard_ShortReal )aMax.X(), (Standard_ShortReal )aMax.Y(), (Standard_ShortReal )aMax.Z()); | |
333 | aView->GraduatedTrihedronMinMaxValues (aMinVec, aMaxVec); | |
2166f0fa SK |
334 | } |
335 | } | |
336 | ||
c357e426 | 337 | // ======================================================================= |
338 | // function : GraduatedTrihedronDisplay | |
339 | // purpose : | |
340 | // ======================================================================= | |
341 | void OpenGl_View::GraduatedTrihedronDisplay (const Graphic3d_GraduatedTrihedron& theTrihedronData) | |
342 | { | |
343 | myGTrihedronData = theTrihedronData; | |
344 | myGTrihedronData.PtrView = this; | |
345 | myGTrihedronData.CubicAxesCallback = SetMinMaxValuesCallback; | |
346 | myGraduatedTrihedron.SetValues (myGTrihedronData); | |
347 | myToShowGradTrihedron = true; | |
348 | } | |
2166f0fa | 349 | |
c357e426 | 350 | // ======================================================================= |
351 | // function : GraduatedTrihedronErase | |
352 | // purpose : | |
353 | // ======================================================================= | |
354 | void OpenGl_View::GraduatedTrihedronErase() | |
2166f0fa | 355 | { |
c357e426 | 356 | myGTrihedronData.PtrView = NULL; |
357 | myGraduatedTrihedron.Release (myWorkspace->GetGlContext().operator->()); | |
358 | myToShowGradTrihedron = false; | |
2166f0fa SK |
359 | } |
360 | ||
c357e426 | 361 | // ======================================================================= |
362 | // function : GraduatedTrihedronMinMaxValues | |
363 | // purpose : | |
364 | // ======================================================================= | |
365 | void OpenGl_View::GraduatedTrihedronMinMaxValues (const Graphic3d_Vec3 theMin, const Graphic3d_Vec3 theMax) | |
366 | { | |
367 | myGraduatedTrihedron.SetMinMax (theMin, theMax); | |
368 | } | |
2166f0fa | 369 | |
c357e426 | 370 | // ======================================================================= |
371 | // function : BufferDump | |
372 | // purpose : | |
373 | // ======================================================================= | |
374 | Standard_Boolean OpenGl_View::BufferDump (Image_PixMap& theImage, const Graphic3d_BufferType& theBufferType) | |
375 | { | |
38d90bb3 | 376 | if (theBufferType != Graphic3d_BT_RGB_RayTraceHdrLeft) |
377 | { | |
378 | return myWorkspace->BufferDump(myFBO, theImage, theBufferType); | |
379 | } | |
380 | ||
381 | if (!myRaytraceParameters.AdaptiveScreenSampling) | |
382 | { | |
383 | return myWorkspace->BufferDump(myAccumFrames % 2 ? myRaytraceFBO2[0] : myRaytraceFBO1[0], theImage, theBufferType); | |
384 | } | |
385 | ||
386 | #if defined(GL_ES_VERSION_2_0) | |
387 | return false; | |
388 | #else | |
389 | if (theImage.Format() != Image_Format_RGBF) | |
390 | { | |
391 | return false; | |
392 | } | |
393 | ||
394 | const GLuint aW = myRaytraceOutputTexture[0]->SizeX(); | |
395 | const GLuint aH = myRaytraceOutputTexture[0]->SizeY(); | |
396 | if (aW / 3 != theImage.SizeX() || aH / 2 != theImage.SizeY()) | |
397 | { | |
398 | return false; | |
399 | } | |
400 | ||
401 | std::vector<GLfloat> aValues; | |
402 | try | |
403 | { | |
404 | aValues.resize (aW * aH); | |
405 | } | |
406 | catch (const std::bad_alloc&) | |
407 | { | |
408 | return false; | |
409 | } | |
410 | ||
411 | glBindTexture (GL_TEXTURE_RECTANGLE, myRaytraceOutputTexture[0]->TextureId()); | |
412 | glGetTexImage (GL_TEXTURE_RECTANGLE, 0, OpenGl_TextureFormat::Create<GLfloat, 1>().Format(), GL_FLOAT, &aValues[0]); | |
413 | glBindTexture (GL_TEXTURE_RECTANGLE, 0); | |
414 | for (unsigned int aRow = 0; aRow < aH; aRow += 2) | |
415 | { | |
416 | for (unsigned int aCol = 0; aCol < aW; aCol += 3) | |
417 | { | |
418 | float* anImageValue = theImage.ChangeValue<float[3]> ((aH - aRow) / 2 - 1, aCol / 3); | |
419 | float aInvNbSamples = 1.f / aValues[aRow * aW + aCol + aW]; | |
420 | anImageValue[0] = aValues[aRow * aW + aCol] * aInvNbSamples; | |
421 | anImageValue[1] = aValues[aRow * aW + aCol + 1] * aInvNbSamples; | |
422 | anImageValue[2] = aValues[aRow * aW + aCol + 1 + aW] * aInvNbSamples; | |
423 | } | |
424 | } | |
425 | ||
426 | return true; | |
427 | #endif | |
c357e426 | 428 | } |
429 | ||
430 | // ======================================================================= | |
431 | // function : Background | |
432 | // purpose : | |
433 | // ======================================================================= | |
434 | Aspect_Background OpenGl_View::Background() const | |
435 | { | |
b6472664 | 436 | return Aspect_Background (myBgColor.GetRGB()); |
c357e426 | 437 | } |
438 | ||
439 | // ======================================================================= | |
440 | // function : SetBackground | |
441 | // purpose : | |
442 | // ======================================================================= | |
443 | void OpenGl_View::SetBackground (const Aspect_Background& theBackground) | |
444 | { | |
b6472664 | 445 | myBgColor.SetRGB (theBackground.Color()); |
c357e426 | 446 | } |
447 | ||
448 | // ======================================================================= | |
449 | // function : GradientBackground | |
450 | // purpose : | |
451 | // ======================================================================= | |
452 | Aspect_GradientBackground OpenGl_View::GradientBackground() const | |
453 | { | |
454 | Quantity_Color aColor1, aColor2; | |
455 | aColor1.SetValues (myBgGradientArray->GradientColor (0).r(), | |
456 | myBgGradientArray->GradientColor (0).g(), | |
457 | myBgGradientArray->GradientColor (0).b(), Quantity_TOC_RGB); | |
458 | aColor2.SetValues (myBgGradientArray->GradientColor (1).r(), | |
459 | myBgGradientArray->GradientColor (1).g(), | |
460 | myBgGradientArray->GradientColor (1).b(), Quantity_TOC_RGB); | |
461 | return Aspect_GradientBackground (aColor1, aColor2, myBgGradientArray->GradientFillMethod()); | |
462 | } | |
2166f0fa | 463 | |
c357e426 | 464 | // ======================================================================= |
465 | // function : SetGradientBackground | |
466 | // purpose : | |
467 | // ======================================================================= | |
468 | void OpenGl_View::SetGradientBackground (const Aspect_GradientBackground& theBackground) | |
2166f0fa | 469 | { |
c357e426 | 470 | Quantity_Color aColor1, aColor2; |
471 | theBackground.Colors (aColor1, aColor2); | |
472 | myBgGradientArray->SetGradientParameters (aColor1, aColor2, theBackground.BgGradientFillMethod()); | |
473 | } | |
474 | ||
475 | // ======================================================================= | |
476 | // function : SetBackgroundImage | |
477 | // purpose : | |
478 | // ======================================================================= | |
479 | void OpenGl_View::SetBackgroundImage (const TCollection_AsciiString& theFilePath) | |
480 | { | |
481 | // Prepare aspect for texture storage | |
482 | myBackgroundImagePath = theFilePath; | |
483 | Handle(Graphic3d_AspectFillArea3d) anAspect = new Graphic3d_AspectFillArea3d(); | |
484 | Handle(Graphic3d_Texture2Dmanual) aTextureMap = new Graphic3d_Texture2Dmanual (TCollection_AsciiString (theFilePath)); | |
485 | aTextureMap->EnableRepeat(); | |
486 | aTextureMap->DisableModulate(); | |
487 | aTextureMap->GetParams()->SetGenMode (Graphic3d_TOTM_MANUAL, | |
488 | Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f), | |
489 | Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f)); | |
490 | anAspect->SetTextureMap (aTextureMap); | |
491 | anAspect->SetInteriorStyle (Aspect_IS_SOLID); | |
b6472664 | 492 | anAspect->SetSuppressBackFaces (false); |
c357e426 | 493 | // Enable texture mapping |
494 | if (aTextureMap->IsDone()) | |
2166f0fa | 495 | { |
c357e426 | 496 | anAspect->SetTextureMapOn(); |
2166f0fa SK |
497 | } |
498 | else | |
499 | { | |
c357e426 | 500 | anAspect->SetTextureMapOff(); |
501 | return; | |
502 | } | |
2166f0fa | 503 | |
c357e426 | 504 | // Set texture parameters |
505 | myTextureParams->SetAspect (anAspect); | |
506 | } | |
2166f0fa | 507 | |
c357e426 | 508 | // ======================================================================= |
509 | // function : BackgroundImageStyle | |
510 | // purpose : | |
511 | // ======================================================================= | |
512 | Aspect_FillMethod OpenGl_View::BackgroundImageStyle() const | |
513 | { | |
514 | return myBgTextureArray->TextureFillMethod(); | |
2166f0fa SK |
515 | } |
516 | ||
c357e426 | 517 | // ======================================================================= |
518 | // function : SetBackgroundImageStyle | |
519 | // purpose : | |
520 | // ======================================================================= | |
521 | void OpenGl_View::SetBackgroundImageStyle (const Aspect_FillMethod theFillStyle) | |
522 | { | |
523 | myBgTextureArray->SetTextureFillMethod (theFillStyle); | |
524 | } | |
2166f0fa | 525 | |
c357e426 | 526 | //======================================================================= |
527 | //function : AddZLayer | |
528 | //purpose : | |
529 | //======================================================================= | |
530 | void OpenGl_View::AddZLayer (const Graphic3d_ZLayerId theLayerId) | |
2166f0fa | 531 | { |
c357e426 | 532 | myZLayers.AddLayer (theLayerId); |
2166f0fa SK |
533 | } |
534 | ||
c357e426 | 535 | //======================================================================= |
536 | //function : RemoveZLayer | |
537 | //purpose : | |
538 | //======================================================================= | |
539 | void OpenGl_View::RemoveZLayer (const Graphic3d_ZLayerId theLayerId) | |
540 | { | |
541 | myZLayers.RemoveLayer (theLayerId); | |
542 | } | |
2166f0fa | 543 | |
c357e426 | 544 | //======================================================================= |
545 | //function : SetZLayerSettings | |
546 | //purpose : | |
547 | //======================================================================= | |
548 | void OpenGl_View::SetZLayerSettings (const Graphic3d_ZLayerId theLayerId, | |
549 | const Graphic3d_ZLayerSettings& theSettings) | |
2166f0fa | 550 | { |
c357e426 | 551 | myZLayers.SetLayerSettings (theLayerId, theSettings); |
2166f0fa SK |
552 | } |
553 | ||
50d06d8f | 554 | //======================================================================= |
555 | //function : ZLayerMax | |
556 | //purpose : | |
557 | //======================================================================= | |
558 | Standard_Integer OpenGl_View::ZLayerMax() const | |
559 | { | |
560 | Standard_Integer aLayerMax = Graphic3d_ZLayerId_Default; | |
561 | for (OpenGl_LayerSeqIds::Iterator aMapIt(myZLayers.LayerIDs()); aMapIt.More(); aMapIt.Next()) | |
562 | { | |
563 | aLayerMax = Max (aLayerMax, aMapIt.Value()); | |
564 | } | |
565 | ||
566 | return aLayerMax; | |
567 | } | |
568 | ||
569 | //======================================================================= | |
570 | //function : InvalidateZLayerBoundingBox | |
571 | //purpose : | |
572 | //======================================================================= | |
573 | void OpenGl_View::InvalidateZLayerBoundingBox (const Graphic3d_ZLayerId theLayerId) const | |
574 | { | |
575 | if (myZLayers.LayerIDs().IsBound (theLayerId)) | |
576 | { | |
577 | myZLayers.Layer (theLayerId).InvalidateBoundingBox(); | |
578 | } | |
579 | else | |
580 | { | |
1475265b | 581 | const Standard_Integer aLayerMax = ZLayerMax(); |
582 | for (Standard_Integer aLayerId = Graphic3d_ZLayerId_Default; aLayerId < aLayerMax; ++aLayerId) | |
50d06d8f | 583 | { |
584 | if (myZLayers.LayerIDs().IsBound (aLayerId)) | |
585 | { | |
586 | const OpenGl_Layer& aLayer = myZLayers.Layer (aLayerId); | |
587 | if (aLayer.NbOfTransformPersistenceObjects() > 0) | |
588 | { | |
589 | aLayer.InvalidateBoundingBox(); | |
590 | } | |
591 | } | |
592 | } | |
593 | } | |
594 | } | |
595 | ||
596 | //======================================================================= | |
597 | //function : ZLayerBoundingBox | |
598 | //purpose : | |
599 | //======================================================================= | |
7c3ef2f7 | 600 | Bnd_Box OpenGl_View::ZLayerBoundingBox (const Graphic3d_ZLayerId theLayerId, |
601 | const Handle(Graphic3d_Camera)& theCamera, | |
602 | const Standard_Integer theWindowWidth, | |
603 | const Standard_Integer theWindowHeight, | |
604 | const Standard_Boolean theToIncludeAuxiliary) const | |
50d06d8f | 605 | { |
7c3ef2f7 | 606 | Bnd_Box aBox; |
50d06d8f | 607 | if (myZLayers.LayerIDs().IsBound (theLayerId)) |
608 | { | |
71d8ccc7 | 609 | aBox = myZLayers.Layer (theLayerId).BoundingBox (Identification(), |
50d06d8f | 610 | theCamera, |
611 | theWindowWidth, | |
612 | theWindowHeight, | |
3fe9ce0e | 613 | theToIncludeAuxiliary); |
50d06d8f | 614 | } |
615 | ||
71d8ccc7 | 616 | // add bounding box of gradient/texture background for proper Z-fit |
617 | if (theToIncludeAuxiliary | |
618 | && theLayerId == Graphic3d_ZLayerId_BotOSD | |
619 | && (myBgTextureArray->IsDefined() | |
620 | || myBgGradientArray->IsDefined())) | |
621 | { | |
622 | // Background is drawn using 2D transformation persistence | |
623 | // (e.g. it is actually placed in 3D coordinates within active camera position). | |
624 | // We add here full-screen plane with 2D transformation persistence | |
625 | // for simplicity (myBgTextureArray might define a little bit different options | |
626 | // but it is updated within ::Render()) | |
7c3ef2f7 | 627 | const Graphic3d_Mat4d& aProjectionMat = theCamera->ProjectionMatrix(); |
628 | const Graphic3d_Mat4d& aWorldViewMat = theCamera->OrientationMatrix(); | |
629 | Graphic3d_BndBox3d aBox2d (Graphic3d_Vec3d (0.0, 0.0, 0.0), | |
630 | Graphic3d_Vec3d (double(theWindowWidth), double(theWindowHeight), 0.0)); | |
71d8ccc7 | 631 | |
778cd667 | 632 | Graphic3d_TransformPers aTrsfPers (Graphic3d_TMF_2d, Aspect_TOTP_LEFT_LOWER); |
71d8ccc7 | 633 | aTrsfPers.Apply (theCamera, |
634 | aProjectionMat, | |
635 | aWorldViewMat, | |
636 | theWindowWidth, | |
637 | theWindowHeight, | |
638 | aBox2d); | |
7c3ef2f7 | 639 | aBox.Add (gp_Pnt (aBox2d.CornerMin().x(), aBox2d.CornerMin().y(), aBox2d.CornerMin().z())); |
640 | aBox.Add (gp_Pnt (aBox2d.CornerMax().x(), aBox2d.CornerMax().y(), aBox2d.CornerMax().z())); | |
71d8ccc7 | 641 | } |
642 | ||
643 | return aBox; | |
50d06d8f | 644 | } |
645 | ||
646 | //======================================================================= | |
647 | //function : considerZoomPersistenceObjects | |
648 | //purpose : | |
649 | //======================================================================= | |
650 | Standard_Real OpenGl_View::considerZoomPersistenceObjects (const Graphic3d_ZLayerId theLayerId, | |
651 | const Handle(Graphic3d_Camera)& theCamera, | |
652 | const Standard_Integer theWindowWidth, | |
3fe9ce0e | 653 | const Standard_Integer theWindowHeight) const |
50d06d8f | 654 | { |
1d92133e | 655 | if (myZLayers.LayerIDs().IsBound (theLayerId)) |
50d06d8f | 656 | { |
657 | return myZLayers.Layer (theLayerId).considerZoomPersistenceObjects (Identification(), | |
658 | theCamera, | |
659 | theWindowWidth, | |
3fe9ce0e | 660 | theWindowHeight); |
50d06d8f | 661 | } |
662 | ||
663 | return 1.0; | |
664 | } | |
665 | ||
c357e426 | 666 | //======================================================================= |
667 | //function : FBO | |
668 | //purpose : | |
669 | //======================================================================= | |
b128c892 | 670 | Handle(Standard_Transient) OpenGl_View::FBO() const |
c357e426 | 671 | { |
b128c892 | 672 | return Handle(Standard_Transient)(myFBO); |
c357e426 | 673 | } |
2166f0fa | 674 | |
c357e426 | 675 | //======================================================================= |
676 | //function : SetFBO | |
677 | //purpose : | |
678 | //======================================================================= | |
b128c892 | 679 | void OpenGl_View::SetFBO (const Handle(Standard_Transient)& theFbo) |
2166f0fa | 680 | { |
b128c892 | 681 | myFBO = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
2166f0fa SK |
682 | } |
683 | ||
c357e426 | 684 | //======================================================================= |
685 | //function : FBOCreate | |
686 | //purpose : | |
687 | //======================================================================= | |
b128c892 | 688 | Handle(Standard_Transient) OpenGl_View::FBOCreate (const Standard_Integer theWidth, |
689 | const Standard_Integer theHeight) | |
c357e426 | 690 | { |
691 | return myWorkspace->FBOCreate (theWidth, theHeight); | |
692 | } | |
2166f0fa | 693 | |
c357e426 | 694 | //======================================================================= |
695 | //function : FBORelease | |
696 | //purpose : | |
697 | //======================================================================= | |
b128c892 | 698 | void OpenGl_View::FBORelease (Handle(Standard_Transient)& theFbo) |
2166f0fa | 699 | { |
b128c892 | 700 | Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
701 | if (aFrameBuffer.IsNull()) | |
702 | { | |
703 | return; | |
704 | } | |
705 | ||
706 | myWorkspace->FBORelease (aFrameBuffer); | |
707 | theFbo.Nullify(); | |
c357e426 | 708 | } |
709 | ||
710 | //======================================================================= | |
711 | //function : FBOGetDimensions | |
712 | //purpose : | |
713 | //======================================================================= | |
b128c892 | 714 | void OpenGl_View::FBOGetDimensions (const Handle(Standard_Transient)& theFbo, |
c357e426 | 715 | Standard_Integer& theWidth, |
716 | Standard_Integer& theHeight, | |
717 | Standard_Integer& theWidthMax, | |
718 | Standard_Integer& theHeightMax) | |
719 | { | |
b128c892 | 720 | const Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
721 | if (aFrameBuffer.IsNull()) | |
722 | { | |
723 | return; | |
724 | } | |
725 | ||
c357e426 | 726 | theWidth = aFrameBuffer->GetVPSizeX(); // current viewport size |
727 | theHeight = aFrameBuffer->GetVPSizeY(); | |
728 | theWidthMax = aFrameBuffer->GetSizeX(); // texture size | |
729 | theHeightMax = aFrameBuffer->GetSizeY(); | |
730 | } | |
731 | ||
732 | //======================================================================= | |
733 | //function : FBOChangeViewport | |
734 | //purpose : | |
735 | //======================================================================= | |
b128c892 | 736 | void OpenGl_View::FBOChangeViewport (const Handle(Standard_Transient)& theFbo, |
c357e426 | 737 | const Standard_Integer theWidth, |
738 | const Standard_Integer theHeight) | |
739 | { | |
b128c892 | 740 | const Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
741 | if (aFrameBuffer.IsNull()) | |
742 | { | |
743 | return; | |
744 | } | |
745 | ||
c357e426 | 746 | aFrameBuffer->ChangeViewport (theWidth, theHeight); |
747 | } | |
748 | ||
749 | // ======================================================================= | |
750 | // function : Export | |
751 | // purpose : | |
752 | // ======================================================================= | |
753 | #ifdef HAVE_GL2PS | |
754 | Standard_Boolean OpenGl_View::Export (const Standard_CString theFileName, | |
755 | const Graphic3d_ExportFormat theFormat, | |
756 | const Graphic3d_SortType theSortType) | |
757 | { | |
758 | // gl2psBeginPage() will call OpenGL functions | |
759 | // so we should activate correct GL context before redraw scene call | |
760 | if (!myWorkspace->Activate()) | |
761 | { | |
762 | return Standard_False; | |
763 | } | |
764 | ||
765 | Standard_Integer aFormat = -1; | |
766 | Standard_Integer aSortType = Graphic3d_ST_BSP_Tree; | |
767 | switch (theFormat) | |
768 | { | |
769 | case Graphic3d_EF_PostScript: | |
770 | aFormat = GL2PS_PS; | |
771 | break; | |
772 | case Graphic3d_EF_EnhPostScript: | |
773 | aFormat = GL2PS_EPS; | |
774 | break; | |
775 | case Graphic3d_EF_TEX: | |
776 | aFormat = GL2PS_TEX; | |
777 | break; | |
778 | case Graphic3d_EF_PDF: | |
779 | aFormat = GL2PS_PDF; | |
780 | break; | |
781 | case Graphic3d_EF_SVG: | |
782 | aFormat = GL2PS_SVG; | |
783 | break; | |
784 | case Graphic3d_EF_PGF: | |
785 | aFormat = GL2PS_PGF; | |
786 | break; | |
787 | case Graphic3d_EF_EMF: | |
788 | //aFormat = GL2PS_EMF; | |
789 | aFormat = GL2PS_PGF + 1; // 6 | |
790 | break; | |
791 | default: | |
792 | // unsupported format | |
793 | return Standard_False; | |
794 | } | |
795 | ||
796 | switch (theSortType) | |
797 | { | |
798 | case Graphic3d_ST_Simple: | |
799 | aSortType = GL2PS_SIMPLE_SORT; | |
800 | break; | |
801 | case Graphic3d_ST_BSP_Tree: | |
802 | aSortType = GL2PS_BSP_SORT; | |
803 | break; | |
804 | } | |
805 | ||
806 | GLint aViewport[4]; | |
807 | aViewport[0] = 0; | |
808 | aViewport[1] = 0; | |
809 | aViewport[2] = myWindow->Width(); | |
810 | aViewport[3] = myWindow->Height(); | |
811 | ||
812 | GLint aBufferSize = 1024 * 1024; | |
813 | GLint anErrCode = GL2PS_SUCCESS; | |
814 | ||
815 | // gl2ps uses standard write functions and do not check locale | |
816 | Standard_CLocaleSentry aLocaleSentry; | |
817 | ||
818 | while (aBufferSize > 0) | |
819 | { | |
820 | // current patch for EMF support in gl2ps uses WinAPI functions to create file | |
821 | FILE* aFileH = (theFormat != Graphic3d_EF_EMF) ? fopen (theFileName, "wb") : NULL; | |
822 | anErrCode = gl2psBeginPage ("", "", aViewport, aFormat, aSortType, | |
823 | GL2PS_DRAW_BACKGROUND | GL2PS_OCCLUSION_CULL | GL2PS_BEST_ROOT/* | GL2PS_SIMPLE_LINE_OFFSET*/, | |
824 | GL_RGBA, 0, NULL, | |
825 | 0, 0, 0, aBufferSize, aFileH, theFileName); | |
826 | if (anErrCode != GL2PS_SUCCESS) | |
827 | { | |
828 | // initialization failed | |
829 | if (aFileH != NULL) | |
830 | fclose (aFileH); | |
831 | break; | |
832 | } | |
833 | Redraw(); | |
834 | ||
835 | anErrCode = gl2psEndPage(); | |
836 | if (aFileH != NULL) | |
837 | fclose (aFileH); | |
838 | ||
839 | if (anErrCode == GL2PS_OVERFLOW) | |
840 | aBufferSize *= 2; | |
841 | else | |
842 | break; | |
843 | } | |
844 | return anErrCode == GL2PS_SUCCESS; | |
845 | } | |
846 | #else | |
847 | Standard_Boolean OpenGl_View::Export (const Standard_CString /*theFileName*/, | |
848 | const Graphic3d_ExportFormat /*theFormat*/, | |
849 | const Graphic3d_SortType /*theSortType*/) | |
850 | { | |
851 | return Standard_False; | |
852 | } | |
853 | #endif | |
854 | ||
855 | //======================================================================= | |
856 | //function : displayStructure | |
857 | //purpose : | |
858 | //======================================================================= | |
859 | void OpenGl_View::displayStructure (const Handle(Graphic3d_CStructure)& theStructure, | |
860 | const Standard_Integer thePriority) | |
861 | { | |
862 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
863 | const Graphic3d_ZLayerId aZLayer = aStruct->ZLayer(); | |
864 | myZLayers.AddStructure (aStruct, aZLayer, thePriority); | |
865 | } | |
866 | ||
867 | //======================================================================= | |
868 | //function : eraseStructure | |
869 | //purpose : | |
870 | //======================================================================= | |
871 | void OpenGl_View::eraseStructure (const Handle(Graphic3d_CStructure)& theStructure) | |
872 | { | |
873 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
874 | myZLayers.RemoveStructure (aStruct); | |
875 | } | |
876 | ||
877 | //======================================================================= | |
878 | //function : changeZLayer | |
879 | //purpose : | |
880 | //======================================================================= | |
881 | void OpenGl_View::changeZLayer (const Handle(Graphic3d_CStructure)& theStructure, | |
882 | const Graphic3d_ZLayerId theNewLayerId) | |
883 | { | |
884 | const Graphic3d_ZLayerId anOldLayer = theStructure->ZLayer(); | |
885 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
886 | myZLayers.ChangeLayer (aStruct, anOldLayer, theNewLayerId); | |
cfece3ef | 887 | Update (anOldLayer); |
888 | Update (theNewLayerId); | |
c357e426 | 889 | } |
890 | ||
891 | //======================================================================= | |
892 | //function : changePriority | |
893 | //purpose : | |
894 | //======================================================================= | |
895 | void OpenGl_View::changePriority (const Handle(Graphic3d_CStructure)& theStructure, | |
896 | const Standard_Integer theNewPriority) | |
897 | { | |
898 | const Graphic3d_ZLayerId aLayerId = theStructure->ZLayer(); | |
899 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
900 | myZLayers.ChangePriority (aStruct, aLayerId, theNewPriority); | |
2166f0fa | 901 | } |
26d9c835 | 902 | |
903 | //======================================================================= | |
904 | //function : DiagnosticInformation | |
905 | //purpose : | |
906 | //======================================================================= | |
907 | void OpenGl_View::DiagnosticInformation (TColStd_IndexedDataMapOfStringString& theDict, | |
908 | Graphic3d_DiagnosticInfo theFlags) const | |
909 | { | |
910 | Handle(OpenGl_Context) aCtx = myWorkspace->GetGlContext(); | |
911 | if (!myWorkspace->Activate() | |
912 | || aCtx.IsNull()) | |
913 | { | |
914 | return; | |
915 | } | |
916 | ||
917 | aCtx->DiagnosticInformation (theDict, theFlags); | |
918 | if ((theFlags & Graphic3d_DiagnosticInfo_FrameBuffer) != 0) | |
919 | { | |
920 | TCollection_AsciiString aResRatio (myRenderParams.ResolutionRatio()); | |
921 | theDict.ChangeFromIndex (theDict.Add ("ResolutionRatio", aResRatio)) = aResRatio; | |
922 | } | |
923 | } |