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b311480e | 1 | // Created on: 2011-09-20 |
2 | // Created by: Sergey ZERCHANINOV | |
973c2be1 | 3 | // Copyright (c) 2011-2014 OPEN CASCADE SAS |
b311480e | 4 | // |
973c2be1 | 5 | // This file is part of Open CASCADE Technology software library. |
b311480e | 6 | // |
d5f74e42 | 7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
11 | // distribution for complete text of the license and disclaimer of any warranty. | |
b311480e | 12 | // |
973c2be1 | 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. | |
b311480e | 15 | |
c357e426 | 16 | #include <OpenGl_View.hxx> |
5f8b738e | 17 | |
c357e426 | 18 | #include <Aspect_RenderingContext.hxx> |
19 | #include <Aspect_Window.hxx> | |
20 | #include <Graphic3d_AspectFillArea3d.hxx> | |
21 | #include <Graphic3d_Texture2Dmanual.hxx> | |
22 | #include <Graphic3d_TextureEnv.hxx> | |
23 | #include <Graphic3d_Mat4d.hxx> | |
24 | #include <NCollection_Mat4.hxx> | |
bf75be98 | 25 | #include <OpenGl_Context.hxx> |
c357e426 | 26 | #include <OpenGl_FrameBuffer.hxx> |
30f0ad28 | 27 | #include <OpenGl_GlCore11.hxx> |
28 | #include <OpenGl_GraduatedTrihedron.hxx> | |
392ac980 | 29 | #include <OpenGl_GraphicDriver.hxx> |
30f0ad28 | 30 | #include <OpenGl_ShaderManager.hxx> |
bf75be98 | 31 | #include <OpenGl_Texture.hxx> |
2166f0fa | 32 | #include <OpenGl_Trihedron.hxx> |
c357e426 | 33 | #include <OpenGl_Window.hxx> |
30f0ad28 | 34 | #include <OpenGl_Workspace.hxx> |
c357e426 | 35 | #include <Standard_CLocaleSentry.hxx> |
2166f0fa | 36 | |
c357e426 | 37 | #ifdef HAVE_GL2PS |
38 | #include <gl2ps.h> | |
39 | #endif | |
2166f0fa SK |
40 | |
41 | /*----------------------------------------------------------------------*/ | |
42 | ||
f8ae3605 | 43 | namespace |
c34dba32 | 44 | { |
c357e426 | 45 | static const OPENGL_ZCLIP myDefaultZClip = { { Standard_False, 0.F }, { Standard_False, 1.F } }; |
46 | static const OPENGL_FOG myDefaultFog = { Standard_False, 0.F, 1.F, { { 0.F, 0.F, 0.F, 1.F } } }; | |
47 | static const TEL_COLOUR myDefaultBg = { { 0.F, 0.F, 0.F, 1.F } }; | |
f8ae3605 | 48 | } |
2166f0fa | 49 | |
c357e426 | 50 | // ======================================================================= |
51 | // function : Constructor | |
52 | // purpose : | |
53 | // ======================================================================= | |
54 | OpenGl_View::OpenGl_View (const Handle(Graphic3d_StructureManager)& theMgr, | |
55 | const Handle(OpenGl_GraphicDriver)& theDriver, | |
56 | const Handle(OpenGl_Caps)& theCaps, | |
57 | Standard_Boolean& theDeviceLostFlag, | |
58 | OpenGl_StateCounter* theCounter) | |
59 | : Graphic3d_CView (theMgr), | |
60 | myDriver (theDriver.operator->()), | |
61 | myCaps (theCaps), | |
62 | myDeviceLostFlag (theDeviceLostFlag), | |
63 | myWasRedrawnGL (Standard_False), | |
64 | myAntiAliasing (Standard_False), | |
65 | myCulling (Standard_True), | |
66 | myShadingModel (Graphic3d_TOSM_FACET), | |
67 | mySurfaceDetail (Graphic3d_TOD_ALL), | |
68 | myBackfacing (Graphic3d_TOBM_AUTOMATIC), | |
69 | myBgColor (myDefaultBg), | |
70 | myFog (myDefaultFog), | |
71 | myZClip (myDefaultZClip), | |
72 | myCamera (new Graphic3d_Camera()), | |
c357e426 | 73 | myUseGLLight (Standard_True), |
74 | myToShowTrihedron (false), | |
75 | myToShowGradTrihedron (false), | |
76 | myStateCounter (theCounter), | |
0b0320e7 | 77 | myLastLightSourceState (0, 0), |
3c4b62a4 | 78 | myFboColorFormat (GL_RGBA8), |
79 | myFboDepthFormat (GL_DEPTH24_STENCIL8), | |
80 | myToFlipOutput (Standard_False), | |
c357e426 | 81 | myFrameCounter (0), |
82 | myHasFboBlit (Standard_True), | |
83 | myTransientDrawToFront (Standard_True), | |
84 | myBackBufferRestored (Standard_False), | |
85 | myIsImmediateDrawn (Standard_False), | |
0b0320e7 | 86 | myTextureParams (new OpenGl_AspectFace()), |
87 | myBgGradientArray (new OpenGl_BackgroundArray (Graphic3d_TOB_GRADIENT)), | |
91c60b57 | 88 | myBgTextureArray (new OpenGl_BackgroundArray (Graphic3d_TOB_TEXTURE)), |
89 | // ray-tracing fields initialization | |
c357e426 | 90 | myRaytraceInitStatus (OpenGl_RT_NONE), |
91 | myIsRaytraceDataValid (Standard_False), | |
91c60b57 | 92 | myIsRaytraceWarnTextures (Standard_False), |
93 | myToUpdateEnvironmentMap (Standard_False), | |
189f85a3 | 94 | myLayerListState (0) |
2166f0fa | 95 | { |
c357e426 | 96 | myWorkspace = new OpenGl_Workspace (this, NULL); |
2166f0fa | 97 | |
c357e426 | 98 | // AA mode |
99 | const char* anAaEnv = ::getenv ("CALL_OPENGL_ANTIALIASING_MODE"); | |
100 | if (anAaEnv != NULL) | |
101 | { | |
102 | int v; | |
103 | if (sscanf (anAaEnv, "%d", &v) > 0) myAntiAliasing = v; | |
104 | } | |
105 | ||
106 | myCurrLightSourceState = myStateCounter->Increment(); | |
107 | myMainSceneFbos[0] = new OpenGl_FrameBuffer(); | |
108 | myMainSceneFbos[1] = new OpenGl_FrameBuffer(); | |
109 | myImmediateSceneFbos[0] = new OpenGl_FrameBuffer(); | |
110 | myImmediateSceneFbos[1] = new OpenGl_FrameBuffer(); | |
3c4b62a4 | 111 | myOpenGlFBO = new OpenGl_FrameBuffer(); |
112 | myOpenGlFBO2 = new OpenGl_FrameBuffer(); | |
113 | myRaytraceFBO1[0] = new OpenGl_FrameBuffer(); | |
114 | myRaytraceFBO1[1] = new OpenGl_FrameBuffer(); | |
115 | myRaytraceFBO2[0] = new OpenGl_FrameBuffer(); | |
116 | myRaytraceFBO2[1] = new OpenGl_FrameBuffer(); | |
c357e426 | 117 | } |
118 | ||
119 | // ======================================================================= | |
120 | // function : Destructor | |
121 | // purpose : | |
122 | // ======================================================================= | |
0b0320e7 | 123 | OpenGl_View::~OpenGl_View() |
2166f0fa | 124 | { |
bf75be98 | 125 | ReleaseGlResources (NULL); // ensure ReleaseGlResources() was called within valid context |
0b0320e7 | 126 | OpenGl_Element::Destroy (NULL, myBgGradientArray); |
127 | OpenGl_Element::Destroy (NULL, myBgTextureArray); | |
128 | OpenGl_Element::Destroy (NULL, myTextureParams); | |
bf75be98 | 129 | } |
130 | ||
c357e426 | 131 | // ======================================================================= |
132 | // function : ReleaseGlResources | |
133 | // purpose : | |
134 | // ======================================================================= | |
bf75be98 | 135 | void OpenGl_View::ReleaseGlResources (const Handle(OpenGl_Context)& theCtx) |
136 | { | |
536d98e2 | 137 | myTrihedron .Release (theCtx.operator->()); |
138 | myGraduatedTrihedron.Release (theCtx.operator->()); | |
30f0ad28 | 139 | |
bf75be98 | 140 | if (!myTextureEnv.IsNull()) |
141 | { | |
142 | theCtx->DelayedRelease (myTextureEnv); | |
143 | myTextureEnv.Nullify(); | |
144 | } | |
0b0320e7 | 145 | |
146 | if (myTextureParams != NULL) | |
147 | { | |
148 | myTextureParams->Release (theCtx.operator->()); | |
149 | } | |
150 | if (myBgGradientArray != NULL) | |
151 | { | |
152 | myBgGradientArray->Release (theCtx.operator->()); | |
153 | } | |
154 | if (myBgTextureArray != NULL) | |
bf75be98 | 155 | { |
0b0320e7 | 156 | myBgTextureArray->Release (theCtx.operator->()); |
bf75be98 | 157 | } |
91c60b57 | 158 | |
c357e426 | 159 | myMainSceneFbos[0] ->Release (theCtx.operator->()); |
160 | myMainSceneFbos[1] ->Release (theCtx.operator->()); | |
161 | myImmediateSceneFbos[0]->Release (theCtx.operator->()); | |
162 | myImmediateSceneFbos[1]->Release (theCtx.operator->()); | |
3c4b62a4 | 163 | myOpenGlFBO ->Release (theCtx.operator->()); |
164 | myOpenGlFBO2 ->Release (theCtx.operator->()); | |
c357e426 | 165 | myFullScreenQuad .Release (theCtx.operator->()); |
166 | myFullScreenQuadFlip .Release (theCtx.operator->()); | |
167 | ||
91c60b57 | 168 | releaseRaytraceResources (theCtx); |
bf75be98 | 169 | } |
2166f0fa | 170 | |
c357e426 | 171 | // ======================================================================= |
172 | // function : Remove | |
173 | // purpose : | |
174 | // ======================================================================= | |
175 | void OpenGl_View::Remove() | |
bf75be98 | 176 | { |
c357e426 | 177 | if (IsRemoved()) |
bf75be98 | 178 | { |
c357e426 | 179 | return; |
bf75be98 | 180 | } |
181 | ||
c357e426 | 182 | myDriver->RemoveView (this); |
183 | myWindow.Nullify(); | |
184 | ||
185 | Graphic3d_CView::Remove(); | |
186 | } | |
187 | ||
188 | // ======================================================================= | |
189 | // function : SetTextureEnv | |
190 | // purpose : | |
191 | // ======================================================================= | |
192 | void OpenGl_View::SetTextureEnv (const Handle(Graphic3d_TextureEnv)& theTextureEnv) | |
193 | { | |
194 | Handle(OpenGl_Context) aCtx = myWorkspace->GetGlContext(); | |
195 | if (!aCtx.IsNull() && !myTextureEnv.IsNull()) | |
196 | { | |
197 | aCtx->DelayedRelease (myTextureEnv); | |
198 | } | |
199 | ||
200 | myToUpdateEnvironmentMap = Standard_True; | |
201 | myTextureEnvData = theTextureEnv; | |
202 | myTextureEnv.Nullify(); | |
203 | initTextureEnv (aCtx); | |
204 | } | |
205 | ||
206 | // ======================================================================= | |
207 | // function : initTextureEnv | |
208 | // purpose : | |
209 | // ======================================================================= | |
210 | void OpenGl_View::initTextureEnv (const Handle(OpenGl_Context)& theContext) | |
211 | { | |
212 | if (myTextureEnvData.IsNull() | |
213 | || theContext.IsNull() | |
214 | || !theContext->MakeCurrent()) | |
bf75be98 | 215 | { |
216 | return; | |
217 | } | |
218 | ||
c357e426 | 219 | myTextureEnv = new OpenGl_Texture (myTextureEnvData->GetParams()); |
220 | Handle(Image_PixMap) anImage = myTextureEnvData->GetImage(); | |
e276548b | 221 | if (!anImage.IsNull()) |
c357e426 | 222 | { |
223 | myTextureEnv->Init (theContext, *anImage.operator->(), myTextureEnvData->Type()); | |
224 | } | |
225 | } | |
e276548b | 226 | |
c357e426 | 227 | // ======================================================================= |
228 | // function : SetImmediateModeDrawToFront | |
229 | // purpose : | |
230 | // ======================================================================= | |
231 | Standard_Boolean OpenGl_View::SetImmediateModeDrawToFront (const Standard_Boolean theDrawToFrontBuffer) | |
232 | { | |
233 | const Standard_Boolean aPrevMode = myTransientDrawToFront; | |
234 | myTransientDrawToFront = theDrawToFrontBuffer; | |
235 | return aPrevMode; | |
e276548b | 236 | } |
237 | ||
c357e426 | 238 | // ======================================================================= |
239 | // function : SetWindow | |
240 | // purpose : | |
241 | // ======================================================================= | |
242 | void OpenGl_View::SetWindow (const Handle(Aspect_Window)& theWindow, | |
a521d90d | 243 | const Aspect_RenderingContext theContext) |
e276548b | 244 | { |
c357e426 | 245 | myWindow = myDriver->CreateRenderWindow (theWindow, theContext); |
246 | Standard_ASSERT_RAISE (!myWindow.IsNull(), | |
247 | "OpenGl_View::SetWindow, " | |
248 | "Failed to create OpenGl window."); | |
e276548b | 249 | |
c357e426 | 250 | myWorkspace = new OpenGl_Workspace (this, myWindow); |
251 | myWorldViewProjState.Reset(); | |
91c60b57 | 252 | myToUpdateEnvironmentMap = Standard_True; |
c357e426 | 253 | myHasFboBlit = Standard_True; |
254 | Invalidate(); | |
255 | ||
256 | // Environment texture resource does not support lazy initialization. | |
257 | initTextureEnv (myWorkspace->GetGlContext()); | |
258 | } | |
259 | ||
260 | // ======================================================================= | |
261 | // function : Resized | |
262 | // purpose : | |
263 | // ======================================================================= | |
264 | void OpenGl_View::Resized() | |
265 | { | |
266 | if (myWindow.IsNull()) | |
267 | return; | |
268 | ||
269 | myWindow->Resize(); | |
270 | } | |
271 | ||
272 | // ======================================================================= | |
273 | // function : TriedronDisplay | |
274 | // purpose : | |
275 | // ======================================================================= | |
276 | void OpenGl_View::TriedronDisplay (const Aspect_TypeOfTriedronPosition thePosition, | |
277 | const Quantity_NameOfColor theColor, | |
278 | const Standard_Real theScale, | |
279 | const Standard_Boolean theAsWireframe) | |
280 | { | |
281 | myToShowTrihedron = true; | |
282 | myTrihedron.SetWireframe (theAsWireframe); | |
283 | myTrihedron.SetPosition (thePosition); | |
284 | myTrihedron.SetScale (theScale); | |
285 | myTrihedron.SetLabelsColor (theColor); | |
2166f0fa SK |
286 | } |
287 | ||
12381341 | 288 | // ======================================================================= |
c357e426 | 289 | // function : TriedronErase |
12381341 | 290 | // purpose : |
291 | // ======================================================================= | |
c357e426 | 292 | void OpenGl_View::TriedronErase() |
2166f0fa | 293 | { |
c357e426 | 294 | myToShowTrihedron = false; |
295 | myTrihedron.Release (myWorkspace->GetGlContext().operator->()); | |
296 | } | |
297 | ||
298 | // ======================================================================= | |
299 | // function : ZBufferTriedronSetup | |
300 | // purpose : | |
301 | // ======================================================================= | |
302 | void OpenGl_View::ZBufferTriedronSetup (const Quantity_NameOfColor theXColor, | |
303 | const Quantity_NameOfColor theYColor, | |
304 | const Quantity_NameOfColor theZColor, | |
305 | const Standard_Real theSizeRatio, | |
306 | const Standard_Real theAxisDiametr, | |
307 | const Standard_Integer theNbFacettes) | |
308 | { | |
309 | myTrihedron.SetArrowsColors (theXColor, theYColor, theZColor); | |
310 | myTrihedron.SetSizeRatio (theSizeRatio); | |
311 | myTrihedron.SetNbFacets (theNbFacettes); | |
312 | myTrihedron.SetArrowDiameter (theAxisDiametr); | |
2166f0fa SK |
313 | } |
314 | ||
12381341 | 315 | // ======================================================================= |
c357e426 | 316 | // function : TriedronEcho |
12381341 | 317 | // purpose : |
318 | // ======================================================================= | |
c357e426 | 319 | void OpenGl_View::TriedronEcho (const Aspect_TypeOfTriedronEcho /*theType*/) |
2166f0fa | 320 | { |
c357e426 | 321 | // do nothing |
322 | } | |
323 | ||
324 | // ======================================================================= | |
325 | // function : SetMinMaxValuesCallback | |
326 | // purpose : | |
327 | // ======================================================================= | |
328 | static void SetMinMaxValuesCallback (Graphic3d_CView* theView) | |
329 | { | |
330 | OpenGl_View* aView = dynamic_cast<OpenGl_View*>(theView); | |
331 | if (aView == NULL) | |
332 | return; | |
333 | ||
334 | Bnd_Box aBox = theView->MinMaxValues(); | |
335 | if (!aBox.IsVoid()) | |
2166f0fa | 336 | { |
c357e426 | 337 | gp_Pnt aMin = aBox.CornerMin(); |
338 | gp_Pnt aMax = aBox.CornerMax(); | |
339 | ||
340 | Graphic3d_Vec3 aMinVec ((Standard_ShortReal )aMin.X(), (Standard_ShortReal )aMin.Y(), (Standard_ShortReal )aMin.Z()); | |
341 | Graphic3d_Vec3 aMaxVec ((Standard_ShortReal )aMax.X(), (Standard_ShortReal )aMax.Y(), (Standard_ShortReal )aMax.Z()); | |
342 | aView->GraduatedTrihedronMinMaxValues (aMinVec, aMaxVec); | |
2166f0fa SK |
343 | } |
344 | } | |
345 | ||
c357e426 | 346 | // ======================================================================= |
347 | // function : GraduatedTrihedronDisplay | |
348 | // purpose : | |
349 | // ======================================================================= | |
350 | void OpenGl_View::GraduatedTrihedronDisplay (const Graphic3d_GraduatedTrihedron& theTrihedronData) | |
351 | { | |
352 | myGTrihedronData = theTrihedronData; | |
353 | myGTrihedronData.PtrView = this; | |
354 | myGTrihedronData.CubicAxesCallback = SetMinMaxValuesCallback; | |
355 | myGraduatedTrihedron.SetValues (myGTrihedronData); | |
356 | myToShowGradTrihedron = true; | |
357 | } | |
2166f0fa | 358 | |
c357e426 | 359 | // ======================================================================= |
360 | // function : GraduatedTrihedronErase | |
361 | // purpose : | |
362 | // ======================================================================= | |
363 | void OpenGl_View::GraduatedTrihedronErase() | |
2166f0fa | 364 | { |
c357e426 | 365 | myGTrihedronData.PtrView = NULL; |
366 | myGraduatedTrihedron.Release (myWorkspace->GetGlContext().operator->()); | |
367 | myToShowGradTrihedron = false; | |
2166f0fa SK |
368 | } |
369 | ||
c357e426 | 370 | // ======================================================================= |
371 | // function : GraduatedTrihedronMinMaxValues | |
372 | // purpose : | |
373 | // ======================================================================= | |
374 | void OpenGl_View::GraduatedTrihedronMinMaxValues (const Graphic3d_Vec3 theMin, const Graphic3d_Vec3 theMax) | |
375 | { | |
376 | myGraduatedTrihedron.SetMinMax (theMin, theMax); | |
377 | } | |
2166f0fa | 378 | |
c357e426 | 379 | // ======================================================================= |
380 | // function : BufferDump | |
381 | // purpose : | |
382 | // ======================================================================= | |
383 | Standard_Boolean OpenGl_View::BufferDump (Image_PixMap& theImage, const Graphic3d_BufferType& theBufferType) | |
384 | { | |
385 | return myWorkspace->BufferDump (myFBO, theImage, theBufferType); | |
386 | } | |
387 | ||
388 | // ======================================================================= | |
389 | // function : Background | |
390 | // purpose : | |
391 | // ======================================================================= | |
392 | Aspect_Background OpenGl_View::Background() const | |
393 | { | |
394 | return Aspect_Background (Quantity_Color (myBgColor.rgb[0], myBgColor.rgb[1], myBgColor.rgb[2], Quantity_TOC_RGB)); | |
395 | } | |
396 | ||
397 | // ======================================================================= | |
398 | // function : SetBackground | |
399 | // purpose : | |
400 | // ======================================================================= | |
401 | void OpenGl_View::SetBackground (const Aspect_Background& theBackground) | |
402 | { | |
403 | Quantity_Color aBgColor = theBackground.Color(); | |
404 | myBgColor.rgb[0] = static_cast<float> (aBgColor.Red()); | |
405 | myBgColor.rgb[1] = static_cast<float> (aBgColor.Green()); | |
406 | myBgColor.rgb[2] = static_cast<float> (aBgColor.Blue()); | |
407 | myFog.Color = myBgColor; | |
408 | } | |
409 | ||
410 | // ======================================================================= | |
411 | // function : GradientBackground | |
412 | // purpose : | |
413 | // ======================================================================= | |
414 | Aspect_GradientBackground OpenGl_View::GradientBackground() const | |
415 | { | |
416 | Quantity_Color aColor1, aColor2; | |
417 | aColor1.SetValues (myBgGradientArray->GradientColor (0).r(), | |
418 | myBgGradientArray->GradientColor (0).g(), | |
419 | myBgGradientArray->GradientColor (0).b(), Quantity_TOC_RGB); | |
420 | aColor2.SetValues (myBgGradientArray->GradientColor (1).r(), | |
421 | myBgGradientArray->GradientColor (1).g(), | |
422 | myBgGradientArray->GradientColor (1).b(), Quantity_TOC_RGB); | |
423 | return Aspect_GradientBackground (aColor1, aColor2, myBgGradientArray->GradientFillMethod()); | |
424 | } | |
2166f0fa | 425 | |
c357e426 | 426 | // ======================================================================= |
427 | // function : SetGradientBackground | |
428 | // purpose : | |
429 | // ======================================================================= | |
430 | void OpenGl_View::SetGradientBackground (const Aspect_GradientBackground& theBackground) | |
2166f0fa | 431 | { |
c357e426 | 432 | Quantity_Color aColor1, aColor2; |
433 | theBackground.Colors (aColor1, aColor2); | |
434 | myBgGradientArray->SetGradientParameters (aColor1, aColor2, theBackground.BgGradientFillMethod()); | |
435 | } | |
436 | ||
437 | // ======================================================================= | |
438 | // function : SetBackgroundImage | |
439 | // purpose : | |
440 | // ======================================================================= | |
441 | void OpenGl_View::SetBackgroundImage (const TCollection_AsciiString& theFilePath) | |
442 | { | |
443 | // Prepare aspect for texture storage | |
444 | myBackgroundImagePath = theFilePath; | |
445 | Handle(Graphic3d_AspectFillArea3d) anAspect = new Graphic3d_AspectFillArea3d(); | |
446 | Handle(Graphic3d_Texture2Dmanual) aTextureMap = new Graphic3d_Texture2Dmanual (TCollection_AsciiString (theFilePath)); | |
447 | aTextureMap->EnableRepeat(); | |
448 | aTextureMap->DisableModulate(); | |
449 | aTextureMap->GetParams()->SetGenMode (Graphic3d_TOTM_MANUAL, | |
450 | Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f), | |
451 | Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f)); | |
452 | anAspect->SetTextureMap (aTextureMap); | |
453 | anAspect->SetInteriorStyle (Aspect_IS_SOLID); | |
454 | // Enable texture mapping | |
455 | if (aTextureMap->IsDone()) | |
2166f0fa | 456 | { |
c357e426 | 457 | anAspect->SetTextureMapOn(); |
2166f0fa SK |
458 | } |
459 | else | |
460 | { | |
c357e426 | 461 | anAspect->SetTextureMapOff(); |
462 | return; | |
463 | } | |
2166f0fa | 464 | |
c357e426 | 465 | // Set texture parameters |
466 | myTextureParams->SetAspect (anAspect); | |
467 | } | |
2166f0fa | 468 | |
c357e426 | 469 | // ======================================================================= |
470 | // function : BackgroundImageStyle | |
471 | // purpose : | |
472 | // ======================================================================= | |
473 | Aspect_FillMethod OpenGl_View::BackgroundImageStyle() const | |
474 | { | |
475 | return myBgTextureArray->TextureFillMethod(); | |
2166f0fa SK |
476 | } |
477 | ||
c357e426 | 478 | // ======================================================================= |
479 | // function : SetBackgroundImageStyle | |
480 | // purpose : | |
481 | // ======================================================================= | |
482 | void OpenGl_View::SetBackgroundImageStyle (const Aspect_FillMethod theFillStyle) | |
483 | { | |
484 | myBgTextureArray->SetTextureFillMethod (theFillStyle); | |
485 | } | |
2166f0fa | 486 | |
c357e426 | 487 | //======================================================================= |
488 | //function : AddZLayer | |
489 | //purpose : | |
490 | //======================================================================= | |
491 | void OpenGl_View::AddZLayer (const Graphic3d_ZLayerId theLayerId) | |
2166f0fa | 492 | { |
c357e426 | 493 | myZLayers.AddLayer (theLayerId); |
2166f0fa SK |
494 | } |
495 | ||
c357e426 | 496 | //======================================================================= |
497 | //function : RemoveZLayer | |
498 | //purpose : | |
499 | //======================================================================= | |
500 | void OpenGl_View::RemoveZLayer (const Graphic3d_ZLayerId theLayerId) | |
501 | { | |
502 | myZLayers.RemoveLayer (theLayerId); | |
503 | } | |
2166f0fa | 504 | |
c357e426 | 505 | //======================================================================= |
506 | //function : SetZLayerSettings | |
507 | //purpose : | |
508 | //======================================================================= | |
509 | void OpenGl_View::SetZLayerSettings (const Graphic3d_ZLayerId theLayerId, | |
510 | const Graphic3d_ZLayerSettings& theSettings) | |
2166f0fa | 511 | { |
c357e426 | 512 | myZLayers.SetLayerSettings (theLayerId, theSettings); |
2166f0fa SK |
513 | } |
514 | ||
c357e426 | 515 | //======================================================================= |
516 | //function : FBO | |
517 | //purpose : | |
518 | //======================================================================= | |
b128c892 | 519 | Handle(Standard_Transient) OpenGl_View::FBO() const |
c357e426 | 520 | { |
b128c892 | 521 | return Handle(Standard_Transient)(myFBO); |
c357e426 | 522 | } |
2166f0fa | 523 | |
c357e426 | 524 | //======================================================================= |
525 | //function : SetFBO | |
526 | //purpose : | |
527 | //======================================================================= | |
b128c892 | 528 | void OpenGl_View::SetFBO (const Handle(Standard_Transient)& theFbo) |
2166f0fa | 529 | { |
b128c892 | 530 | myFBO = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
2166f0fa SK |
531 | } |
532 | ||
c357e426 | 533 | //======================================================================= |
534 | //function : FBOCreate | |
535 | //purpose : | |
536 | //======================================================================= | |
b128c892 | 537 | Handle(Standard_Transient) OpenGl_View::FBOCreate (const Standard_Integer theWidth, |
538 | const Standard_Integer theHeight) | |
c357e426 | 539 | { |
540 | return myWorkspace->FBOCreate (theWidth, theHeight); | |
541 | } | |
2166f0fa | 542 | |
c357e426 | 543 | //======================================================================= |
544 | //function : FBORelease | |
545 | //purpose : | |
546 | //======================================================================= | |
b128c892 | 547 | void OpenGl_View::FBORelease (Handle(Standard_Transient)& theFbo) |
2166f0fa | 548 | { |
b128c892 | 549 | Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
550 | if (aFrameBuffer.IsNull()) | |
551 | { | |
552 | return; | |
553 | } | |
554 | ||
555 | myWorkspace->FBORelease (aFrameBuffer); | |
556 | theFbo.Nullify(); | |
c357e426 | 557 | } |
558 | ||
559 | //======================================================================= | |
560 | //function : FBOGetDimensions | |
561 | //purpose : | |
562 | //======================================================================= | |
b128c892 | 563 | void OpenGl_View::FBOGetDimensions (const Handle(Standard_Transient)& theFbo, |
c357e426 | 564 | Standard_Integer& theWidth, |
565 | Standard_Integer& theHeight, | |
566 | Standard_Integer& theWidthMax, | |
567 | Standard_Integer& theHeightMax) | |
568 | { | |
b128c892 | 569 | const Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
570 | if (aFrameBuffer.IsNull()) | |
571 | { | |
572 | return; | |
573 | } | |
574 | ||
c357e426 | 575 | theWidth = aFrameBuffer->GetVPSizeX(); // current viewport size |
576 | theHeight = aFrameBuffer->GetVPSizeY(); | |
577 | theWidthMax = aFrameBuffer->GetSizeX(); // texture size | |
578 | theHeightMax = aFrameBuffer->GetSizeY(); | |
579 | } | |
580 | ||
581 | //======================================================================= | |
582 | //function : FBOChangeViewport | |
583 | //purpose : | |
584 | //======================================================================= | |
b128c892 | 585 | void OpenGl_View::FBOChangeViewport (const Handle(Standard_Transient)& theFbo, |
c357e426 | 586 | const Standard_Integer theWidth, |
587 | const Standard_Integer theHeight) | |
588 | { | |
b128c892 | 589 | const Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
590 | if (aFrameBuffer.IsNull()) | |
591 | { | |
592 | return; | |
593 | } | |
594 | ||
c357e426 | 595 | aFrameBuffer->ChangeViewport (theWidth, theHeight); |
596 | } | |
597 | ||
598 | // ======================================================================= | |
599 | // function : Export | |
600 | // purpose : | |
601 | // ======================================================================= | |
602 | #ifdef HAVE_GL2PS | |
603 | Standard_Boolean OpenGl_View::Export (const Standard_CString theFileName, | |
604 | const Graphic3d_ExportFormat theFormat, | |
605 | const Graphic3d_SortType theSortType) | |
606 | { | |
607 | // gl2psBeginPage() will call OpenGL functions | |
608 | // so we should activate correct GL context before redraw scene call | |
609 | if (!myWorkspace->Activate()) | |
610 | { | |
611 | return Standard_False; | |
612 | } | |
613 | ||
614 | Standard_Integer aFormat = -1; | |
615 | Standard_Integer aSortType = Graphic3d_ST_BSP_Tree; | |
616 | switch (theFormat) | |
617 | { | |
618 | case Graphic3d_EF_PostScript: | |
619 | aFormat = GL2PS_PS; | |
620 | break; | |
621 | case Graphic3d_EF_EnhPostScript: | |
622 | aFormat = GL2PS_EPS; | |
623 | break; | |
624 | case Graphic3d_EF_TEX: | |
625 | aFormat = GL2PS_TEX; | |
626 | break; | |
627 | case Graphic3d_EF_PDF: | |
628 | aFormat = GL2PS_PDF; | |
629 | break; | |
630 | case Graphic3d_EF_SVG: | |
631 | aFormat = GL2PS_SVG; | |
632 | break; | |
633 | case Graphic3d_EF_PGF: | |
634 | aFormat = GL2PS_PGF; | |
635 | break; | |
636 | case Graphic3d_EF_EMF: | |
637 | //aFormat = GL2PS_EMF; | |
638 | aFormat = GL2PS_PGF + 1; // 6 | |
639 | break; | |
640 | default: | |
641 | // unsupported format | |
642 | return Standard_False; | |
643 | } | |
644 | ||
645 | switch (theSortType) | |
646 | { | |
647 | case Graphic3d_ST_Simple: | |
648 | aSortType = GL2PS_SIMPLE_SORT; | |
649 | break; | |
650 | case Graphic3d_ST_BSP_Tree: | |
651 | aSortType = GL2PS_BSP_SORT; | |
652 | break; | |
653 | } | |
654 | ||
655 | GLint aViewport[4]; | |
656 | aViewport[0] = 0; | |
657 | aViewport[1] = 0; | |
658 | aViewport[2] = myWindow->Width(); | |
659 | aViewport[3] = myWindow->Height(); | |
660 | ||
661 | GLint aBufferSize = 1024 * 1024; | |
662 | GLint anErrCode = GL2PS_SUCCESS; | |
663 | ||
664 | // gl2ps uses standard write functions and do not check locale | |
665 | Standard_CLocaleSentry aLocaleSentry; | |
666 | ||
667 | while (aBufferSize > 0) | |
668 | { | |
669 | // current patch for EMF support in gl2ps uses WinAPI functions to create file | |
670 | FILE* aFileH = (theFormat != Graphic3d_EF_EMF) ? fopen (theFileName, "wb") : NULL; | |
671 | anErrCode = gl2psBeginPage ("", "", aViewport, aFormat, aSortType, | |
672 | GL2PS_DRAW_BACKGROUND | GL2PS_OCCLUSION_CULL | GL2PS_BEST_ROOT/* | GL2PS_SIMPLE_LINE_OFFSET*/, | |
673 | GL_RGBA, 0, NULL, | |
674 | 0, 0, 0, aBufferSize, aFileH, theFileName); | |
675 | if (anErrCode != GL2PS_SUCCESS) | |
676 | { | |
677 | // initialization failed | |
678 | if (aFileH != NULL) | |
679 | fclose (aFileH); | |
680 | break; | |
681 | } | |
682 | Redraw(); | |
683 | ||
684 | anErrCode = gl2psEndPage(); | |
685 | if (aFileH != NULL) | |
686 | fclose (aFileH); | |
687 | ||
688 | if (anErrCode == GL2PS_OVERFLOW) | |
689 | aBufferSize *= 2; | |
690 | else | |
691 | break; | |
692 | } | |
693 | return anErrCode == GL2PS_SUCCESS; | |
694 | } | |
695 | #else | |
696 | Standard_Boolean OpenGl_View::Export (const Standard_CString /*theFileName*/, | |
697 | const Graphic3d_ExportFormat /*theFormat*/, | |
698 | const Graphic3d_SortType /*theSortType*/) | |
699 | { | |
700 | return Standard_False; | |
701 | } | |
702 | #endif | |
703 | ||
704 | //======================================================================= | |
705 | //function : displayStructure | |
706 | //purpose : | |
707 | //======================================================================= | |
708 | void OpenGl_View::displayStructure (const Handle(Graphic3d_CStructure)& theStructure, | |
709 | const Standard_Integer thePriority) | |
710 | { | |
711 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
712 | const Graphic3d_ZLayerId aZLayer = aStruct->ZLayer(); | |
713 | myZLayers.AddStructure (aStruct, aZLayer, thePriority); | |
714 | } | |
715 | ||
716 | //======================================================================= | |
717 | //function : eraseStructure | |
718 | //purpose : | |
719 | //======================================================================= | |
720 | void OpenGl_View::eraseStructure (const Handle(Graphic3d_CStructure)& theStructure) | |
721 | { | |
722 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
723 | myZLayers.RemoveStructure (aStruct); | |
724 | } | |
725 | ||
726 | //======================================================================= | |
727 | //function : changeZLayer | |
728 | //purpose : | |
729 | //======================================================================= | |
730 | void OpenGl_View::changeZLayer (const Handle(Graphic3d_CStructure)& theStructure, | |
731 | const Graphic3d_ZLayerId theNewLayerId) | |
732 | { | |
733 | const Graphic3d_ZLayerId anOldLayer = theStructure->ZLayer(); | |
734 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
735 | myZLayers.ChangeLayer (aStruct, anOldLayer, theNewLayerId); | |
736 | } | |
737 | ||
738 | //======================================================================= | |
739 | //function : changePriority | |
740 | //purpose : | |
741 | //======================================================================= | |
742 | void OpenGl_View::changePriority (const Handle(Graphic3d_CStructure)& theStructure, | |
743 | const Standard_Integer theNewPriority) | |
744 | { | |
745 | const Graphic3d_ZLayerId aLayerId = theStructure->ZLayer(); | |
746 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
747 | myZLayers.ChangePriority (aStruct, aLayerId, theNewPriority); | |
2166f0fa | 748 | } |