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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 | |
92efcf78 | 37 | IMPLEMENT_STANDARD_RTTIEXT(OpenGl_View,Graphic3d_CView) |
38 | ||
c357e426 | 39 | #ifdef HAVE_GL2PS |
40 | #include <gl2ps.h> | |
41 | #endif | |
2166f0fa SK |
42 | |
43 | /*----------------------------------------------------------------------*/ | |
44 | ||
f8ae3605 | 45 | namespace |
c34dba32 | 46 | { |
c357e426 | 47 | static const OPENGL_ZCLIP myDefaultZClip = { { Standard_False, 0.F }, { Standard_False, 1.F } }; |
48 | static const OPENGL_FOG myDefaultFog = { Standard_False, 0.F, 1.F, { { 0.F, 0.F, 0.F, 1.F } } }; | |
49 | static const TEL_COLOUR myDefaultBg = { { 0.F, 0.F, 0.F, 1.F } }; | |
f8ae3605 | 50 | } |
2166f0fa | 51 | |
c357e426 | 52 | // ======================================================================= |
53 | // function : Constructor | |
54 | // purpose : | |
55 | // ======================================================================= | |
56 | OpenGl_View::OpenGl_View (const Handle(Graphic3d_StructureManager)& theMgr, | |
57 | const Handle(OpenGl_GraphicDriver)& theDriver, | |
58 | const Handle(OpenGl_Caps)& theCaps, | |
59 | Standard_Boolean& theDeviceLostFlag, | |
60 | OpenGl_StateCounter* theCounter) | |
61 | : Graphic3d_CView (theMgr), | |
62 | myDriver (theDriver.operator->()), | |
63 | myCaps (theCaps), | |
64 | myDeviceLostFlag (theDeviceLostFlag), | |
65 | myWasRedrawnGL (Standard_False), | |
66 | myAntiAliasing (Standard_False), | |
67 | myCulling (Standard_True), | |
68 | myShadingModel (Graphic3d_TOSM_FACET), | |
c357e426 | 69 | myBackfacing (Graphic3d_TOBM_AUTOMATIC), |
70 | myBgColor (myDefaultBg), | |
71 | myFog (myDefaultFog), | |
72 | myZClip (myDefaultZClip), | |
73 | myCamera (new Graphic3d_Camera()), | |
c357e426 | 74 | myUseGLLight (Standard_True), |
75 | myToShowTrihedron (false), | |
76 | myToShowGradTrihedron (false), | |
77 | myStateCounter (theCounter), | |
0b0320e7 | 78 | myLastLightSourceState (0, 0), |
3c4b62a4 | 79 | myFboColorFormat (GL_RGBA8), |
80 | myFboDepthFormat (GL_DEPTH24_STENCIL8), | |
81 | myToFlipOutput (Standard_False), | |
c357e426 | 82 | myFrameCounter (0), |
83 | myHasFboBlit (Standard_True), | |
84 | myTransientDrawToFront (Standard_True), | |
85 | myBackBufferRestored (Standard_False), | |
86 | myIsImmediateDrawn (Standard_False), | |
0b0320e7 | 87 | myTextureParams (new OpenGl_AspectFace()), |
88 | myBgGradientArray (new OpenGl_BackgroundArray (Graphic3d_TOB_GRADIENT)), | |
91c60b57 | 89 | myBgTextureArray (new OpenGl_BackgroundArray (Graphic3d_TOB_TEXTURE)), |
90 | // ray-tracing fields initialization | |
c357e426 | 91 | myRaytraceInitStatus (OpenGl_RT_NONE), |
92 | myIsRaytraceDataValid (Standard_False), | |
91c60b57 | 93 | myIsRaytraceWarnTextures (Standard_False), |
94 | myToUpdateEnvironmentMap (Standard_False), | |
189f85a3 | 95 | myLayerListState (0) |
2166f0fa | 96 | { |
c357e426 | 97 | myWorkspace = new OpenGl_Workspace (this, NULL); |
2166f0fa | 98 | |
c357e426 | 99 | // AA mode |
100 | const char* anAaEnv = ::getenv ("CALL_OPENGL_ANTIALIASING_MODE"); | |
101 | if (anAaEnv != NULL) | |
102 | { | |
103 | int v; | |
104 | if (sscanf (anAaEnv, "%d", &v) > 0) myAntiAliasing = v; | |
105 | } | |
106 | ||
107 | myCurrLightSourceState = myStateCounter->Increment(); | |
108 | myMainSceneFbos[0] = new OpenGl_FrameBuffer(); | |
109 | myMainSceneFbos[1] = new OpenGl_FrameBuffer(); | |
110 | myImmediateSceneFbos[0] = new OpenGl_FrameBuffer(); | |
111 | myImmediateSceneFbos[1] = new OpenGl_FrameBuffer(); | |
3c4b62a4 | 112 | myOpenGlFBO = new OpenGl_FrameBuffer(); |
113 | myOpenGlFBO2 = new OpenGl_FrameBuffer(); | |
114 | myRaytraceFBO1[0] = new OpenGl_FrameBuffer(); | |
115 | myRaytraceFBO1[1] = new OpenGl_FrameBuffer(); | |
116 | myRaytraceFBO2[0] = new OpenGl_FrameBuffer(); | |
117 | myRaytraceFBO2[1] = new OpenGl_FrameBuffer(); | |
c357e426 | 118 | } |
119 | ||
120 | // ======================================================================= | |
121 | // function : Destructor | |
122 | // purpose : | |
123 | // ======================================================================= | |
0b0320e7 | 124 | OpenGl_View::~OpenGl_View() |
2166f0fa | 125 | { |
bf75be98 | 126 | ReleaseGlResources (NULL); // ensure ReleaseGlResources() was called within valid context |
0b0320e7 | 127 | OpenGl_Element::Destroy (NULL, myBgGradientArray); |
128 | OpenGl_Element::Destroy (NULL, myBgTextureArray); | |
129 | OpenGl_Element::Destroy (NULL, myTextureParams); | |
bf75be98 | 130 | } |
131 | ||
c357e426 | 132 | // ======================================================================= |
133 | // function : ReleaseGlResources | |
134 | // purpose : | |
135 | // ======================================================================= | |
bf75be98 | 136 | void OpenGl_View::ReleaseGlResources (const Handle(OpenGl_Context)& theCtx) |
137 | { | |
536d98e2 | 138 | myTrihedron .Release (theCtx.operator->()); |
139 | myGraduatedTrihedron.Release (theCtx.operator->()); | |
30f0ad28 | 140 | |
bf75be98 | 141 | if (!myTextureEnv.IsNull()) |
142 | { | |
143 | theCtx->DelayedRelease (myTextureEnv); | |
144 | myTextureEnv.Nullify(); | |
145 | } | |
0b0320e7 | 146 | |
147 | if (myTextureParams != NULL) | |
148 | { | |
149 | myTextureParams->Release (theCtx.operator->()); | |
150 | } | |
151 | if (myBgGradientArray != NULL) | |
152 | { | |
153 | myBgGradientArray->Release (theCtx.operator->()); | |
154 | } | |
155 | if (myBgTextureArray != NULL) | |
bf75be98 | 156 | { |
0b0320e7 | 157 | myBgTextureArray->Release (theCtx.operator->()); |
bf75be98 | 158 | } |
91c60b57 | 159 | |
c357e426 | 160 | myMainSceneFbos[0] ->Release (theCtx.operator->()); |
161 | myMainSceneFbos[1] ->Release (theCtx.operator->()); | |
162 | myImmediateSceneFbos[0]->Release (theCtx.operator->()); | |
163 | myImmediateSceneFbos[1]->Release (theCtx.operator->()); | |
3c4b62a4 | 164 | myOpenGlFBO ->Release (theCtx.operator->()); |
165 | myOpenGlFBO2 ->Release (theCtx.operator->()); | |
c357e426 | 166 | myFullScreenQuad .Release (theCtx.operator->()); |
167 | myFullScreenQuadFlip .Release (theCtx.operator->()); | |
168 | ||
91c60b57 | 169 | releaseRaytraceResources (theCtx); |
bf75be98 | 170 | } |
2166f0fa | 171 | |
c357e426 | 172 | // ======================================================================= |
173 | // function : Remove | |
174 | // purpose : | |
175 | // ======================================================================= | |
176 | void OpenGl_View::Remove() | |
bf75be98 | 177 | { |
c357e426 | 178 | if (IsRemoved()) |
bf75be98 | 179 | { |
c357e426 | 180 | return; |
bf75be98 | 181 | } |
182 | ||
c357e426 | 183 | myDriver->RemoveView (this); |
184 | myWindow.Nullify(); | |
185 | ||
186 | Graphic3d_CView::Remove(); | |
187 | } | |
188 | ||
189 | // ======================================================================= | |
190 | // function : SetTextureEnv | |
191 | // purpose : | |
192 | // ======================================================================= | |
193 | void OpenGl_View::SetTextureEnv (const Handle(Graphic3d_TextureEnv)& theTextureEnv) | |
194 | { | |
195 | Handle(OpenGl_Context) aCtx = myWorkspace->GetGlContext(); | |
196 | if (!aCtx.IsNull() && !myTextureEnv.IsNull()) | |
197 | { | |
198 | aCtx->DelayedRelease (myTextureEnv); | |
199 | } | |
200 | ||
201 | myToUpdateEnvironmentMap = Standard_True; | |
202 | myTextureEnvData = theTextureEnv; | |
203 | myTextureEnv.Nullify(); | |
204 | initTextureEnv (aCtx); | |
205 | } | |
206 | ||
207 | // ======================================================================= | |
208 | // function : initTextureEnv | |
209 | // purpose : | |
210 | // ======================================================================= | |
211 | void OpenGl_View::initTextureEnv (const Handle(OpenGl_Context)& theContext) | |
212 | { | |
213 | if (myTextureEnvData.IsNull() | |
214 | || theContext.IsNull() | |
215 | || !theContext->MakeCurrent()) | |
bf75be98 | 216 | { |
217 | return; | |
218 | } | |
219 | ||
c357e426 | 220 | myTextureEnv = new OpenGl_Texture (myTextureEnvData->GetParams()); |
221 | Handle(Image_PixMap) anImage = myTextureEnvData->GetImage(); | |
e276548b | 222 | if (!anImage.IsNull()) |
c357e426 | 223 | { |
224 | myTextureEnv->Init (theContext, *anImage.operator->(), myTextureEnvData->Type()); | |
225 | } | |
226 | } | |
e276548b | 227 | |
c357e426 | 228 | // ======================================================================= |
229 | // function : SetImmediateModeDrawToFront | |
230 | // purpose : | |
231 | // ======================================================================= | |
232 | Standard_Boolean OpenGl_View::SetImmediateModeDrawToFront (const Standard_Boolean theDrawToFrontBuffer) | |
233 | { | |
234 | const Standard_Boolean aPrevMode = myTransientDrawToFront; | |
235 | myTransientDrawToFront = theDrawToFrontBuffer; | |
236 | return aPrevMode; | |
e276548b | 237 | } |
238 | ||
c357e426 | 239 | // ======================================================================= |
240 | // function : SetWindow | |
241 | // purpose : | |
242 | // ======================================================================= | |
243 | void OpenGl_View::SetWindow (const Handle(Aspect_Window)& theWindow, | |
a521d90d | 244 | const Aspect_RenderingContext theContext) |
e276548b | 245 | { |
c357e426 | 246 | myWindow = myDriver->CreateRenderWindow (theWindow, theContext); |
247 | Standard_ASSERT_RAISE (!myWindow.IsNull(), | |
248 | "OpenGl_View::SetWindow, " | |
249 | "Failed to create OpenGl window."); | |
e276548b | 250 | |
c357e426 | 251 | myWorkspace = new OpenGl_Workspace (this, myWindow); |
252 | myWorldViewProjState.Reset(); | |
91c60b57 | 253 | myToUpdateEnvironmentMap = Standard_True; |
c357e426 | 254 | myHasFboBlit = Standard_True; |
255 | Invalidate(); | |
256 | ||
257 | // Environment texture resource does not support lazy initialization. | |
258 | initTextureEnv (myWorkspace->GetGlContext()); | |
259 | } | |
260 | ||
261 | // ======================================================================= | |
262 | // function : Resized | |
263 | // purpose : | |
264 | // ======================================================================= | |
265 | void OpenGl_View::Resized() | |
266 | { | |
267 | if (myWindow.IsNull()) | |
268 | return; | |
269 | ||
270 | myWindow->Resize(); | |
271 | } | |
272 | ||
273 | // ======================================================================= | |
274 | // function : TriedronDisplay | |
275 | // purpose : | |
276 | // ======================================================================= | |
277 | void OpenGl_View::TriedronDisplay (const Aspect_TypeOfTriedronPosition thePosition, | |
278 | const Quantity_NameOfColor theColor, | |
279 | const Standard_Real theScale, | |
280 | const Standard_Boolean theAsWireframe) | |
281 | { | |
282 | myToShowTrihedron = true; | |
283 | myTrihedron.SetWireframe (theAsWireframe); | |
284 | myTrihedron.SetPosition (thePosition); | |
285 | myTrihedron.SetScale (theScale); | |
286 | myTrihedron.SetLabelsColor (theColor); | |
2166f0fa SK |
287 | } |
288 | ||
12381341 | 289 | // ======================================================================= |
c357e426 | 290 | // function : TriedronErase |
12381341 | 291 | // purpose : |
292 | // ======================================================================= | |
c357e426 | 293 | void OpenGl_View::TriedronErase() |
2166f0fa | 294 | { |
c357e426 | 295 | myToShowTrihedron = false; |
296 | myTrihedron.Release (myWorkspace->GetGlContext().operator->()); | |
297 | } | |
298 | ||
299 | // ======================================================================= | |
300 | // function : ZBufferTriedronSetup | |
301 | // purpose : | |
302 | // ======================================================================= | |
303 | void OpenGl_View::ZBufferTriedronSetup (const Quantity_NameOfColor theXColor, | |
304 | const Quantity_NameOfColor theYColor, | |
305 | const Quantity_NameOfColor theZColor, | |
306 | const Standard_Real theSizeRatio, | |
307 | const Standard_Real theAxisDiametr, | |
308 | const Standard_Integer theNbFacettes) | |
309 | { | |
310 | myTrihedron.SetArrowsColors (theXColor, theYColor, theZColor); | |
311 | myTrihedron.SetSizeRatio (theSizeRatio); | |
312 | myTrihedron.SetNbFacets (theNbFacettes); | |
313 | myTrihedron.SetArrowDiameter (theAxisDiametr); | |
2166f0fa SK |
314 | } |
315 | ||
12381341 | 316 | // ======================================================================= |
c357e426 | 317 | // function : TriedronEcho |
12381341 | 318 | // purpose : |
319 | // ======================================================================= | |
c357e426 | 320 | void OpenGl_View::TriedronEcho (const Aspect_TypeOfTriedronEcho /*theType*/) |
2166f0fa | 321 | { |
c357e426 | 322 | // do nothing |
323 | } | |
324 | ||
325 | // ======================================================================= | |
326 | // function : SetMinMaxValuesCallback | |
327 | // purpose : | |
328 | // ======================================================================= | |
329 | static void SetMinMaxValuesCallback (Graphic3d_CView* theView) | |
330 | { | |
331 | OpenGl_View* aView = dynamic_cast<OpenGl_View*>(theView); | |
332 | if (aView == NULL) | |
333 | return; | |
334 | ||
335 | Bnd_Box aBox = theView->MinMaxValues(); | |
336 | if (!aBox.IsVoid()) | |
2166f0fa | 337 | { |
c357e426 | 338 | gp_Pnt aMin = aBox.CornerMin(); |
339 | gp_Pnt aMax = aBox.CornerMax(); | |
340 | ||
341 | Graphic3d_Vec3 aMinVec ((Standard_ShortReal )aMin.X(), (Standard_ShortReal )aMin.Y(), (Standard_ShortReal )aMin.Z()); | |
342 | Graphic3d_Vec3 aMaxVec ((Standard_ShortReal )aMax.X(), (Standard_ShortReal )aMax.Y(), (Standard_ShortReal )aMax.Z()); | |
343 | aView->GraduatedTrihedronMinMaxValues (aMinVec, aMaxVec); | |
2166f0fa SK |
344 | } |
345 | } | |
346 | ||
c357e426 | 347 | // ======================================================================= |
348 | // function : GraduatedTrihedronDisplay | |
349 | // purpose : | |
350 | // ======================================================================= | |
351 | void OpenGl_View::GraduatedTrihedronDisplay (const Graphic3d_GraduatedTrihedron& theTrihedronData) | |
352 | { | |
353 | myGTrihedronData = theTrihedronData; | |
354 | myGTrihedronData.PtrView = this; | |
355 | myGTrihedronData.CubicAxesCallback = SetMinMaxValuesCallback; | |
356 | myGraduatedTrihedron.SetValues (myGTrihedronData); | |
357 | myToShowGradTrihedron = true; | |
358 | } | |
2166f0fa | 359 | |
c357e426 | 360 | // ======================================================================= |
361 | // function : GraduatedTrihedronErase | |
362 | // purpose : | |
363 | // ======================================================================= | |
364 | void OpenGl_View::GraduatedTrihedronErase() | |
2166f0fa | 365 | { |
c357e426 | 366 | myGTrihedronData.PtrView = NULL; |
367 | myGraduatedTrihedron.Release (myWorkspace->GetGlContext().operator->()); | |
368 | myToShowGradTrihedron = false; | |
2166f0fa SK |
369 | } |
370 | ||
c357e426 | 371 | // ======================================================================= |
372 | // function : GraduatedTrihedronMinMaxValues | |
373 | // purpose : | |
374 | // ======================================================================= | |
375 | void OpenGl_View::GraduatedTrihedronMinMaxValues (const Graphic3d_Vec3 theMin, const Graphic3d_Vec3 theMax) | |
376 | { | |
377 | myGraduatedTrihedron.SetMinMax (theMin, theMax); | |
378 | } | |
2166f0fa | 379 | |
c357e426 | 380 | // ======================================================================= |
381 | // function : BufferDump | |
382 | // purpose : | |
383 | // ======================================================================= | |
384 | Standard_Boolean OpenGl_View::BufferDump (Image_PixMap& theImage, const Graphic3d_BufferType& theBufferType) | |
385 | { | |
386 | return myWorkspace->BufferDump (myFBO, theImage, theBufferType); | |
387 | } | |
388 | ||
389 | // ======================================================================= | |
390 | // function : Background | |
391 | // purpose : | |
392 | // ======================================================================= | |
393 | Aspect_Background OpenGl_View::Background() const | |
394 | { | |
395 | return Aspect_Background (Quantity_Color (myBgColor.rgb[0], myBgColor.rgb[1], myBgColor.rgb[2], Quantity_TOC_RGB)); | |
396 | } | |
397 | ||
398 | // ======================================================================= | |
399 | // function : SetBackground | |
400 | // purpose : | |
401 | // ======================================================================= | |
402 | void OpenGl_View::SetBackground (const Aspect_Background& theBackground) | |
403 | { | |
404 | Quantity_Color aBgColor = theBackground.Color(); | |
405 | myBgColor.rgb[0] = static_cast<float> (aBgColor.Red()); | |
406 | myBgColor.rgb[1] = static_cast<float> (aBgColor.Green()); | |
407 | myBgColor.rgb[2] = static_cast<float> (aBgColor.Blue()); | |
408 | myFog.Color = myBgColor; | |
409 | } | |
410 | ||
411 | // ======================================================================= | |
412 | // function : GradientBackground | |
413 | // purpose : | |
414 | // ======================================================================= | |
415 | Aspect_GradientBackground OpenGl_View::GradientBackground() const | |
416 | { | |
417 | Quantity_Color aColor1, aColor2; | |
418 | aColor1.SetValues (myBgGradientArray->GradientColor (0).r(), | |
419 | myBgGradientArray->GradientColor (0).g(), | |
420 | myBgGradientArray->GradientColor (0).b(), Quantity_TOC_RGB); | |
421 | aColor2.SetValues (myBgGradientArray->GradientColor (1).r(), | |
422 | myBgGradientArray->GradientColor (1).g(), | |
423 | myBgGradientArray->GradientColor (1).b(), Quantity_TOC_RGB); | |
424 | return Aspect_GradientBackground (aColor1, aColor2, myBgGradientArray->GradientFillMethod()); | |
425 | } | |
2166f0fa | 426 | |
c357e426 | 427 | // ======================================================================= |
428 | // function : SetGradientBackground | |
429 | // purpose : | |
430 | // ======================================================================= | |
431 | void OpenGl_View::SetGradientBackground (const Aspect_GradientBackground& theBackground) | |
2166f0fa | 432 | { |
c357e426 | 433 | Quantity_Color aColor1, aColor2; |
434 | theBackground.Colors (aColor1, aColor2); | |
435 | myBgGradientArray->SetGradientParameters (aColor1, aColor2, theBackground.BgGradientFillMethod()); | |
436 | } | |
437 | ||
438 | // ======================================================================= | |
439 | // function : SetBackgroundImage | |
440 | // purpose : | |
441 | // ======================================================================= | |
442 | void OpenGl_View::SetBackgroundImage (const TCollection_AsciiString& theFilePath) | |
443 | { | |
444 | // Prepare aspect for texture storage | |
445 | myBackgroundImagePath = theFilePath; | |
446 | Handle(Graphic3d_AspectFillArea3d) anAspect = new Graphic3d_AspectFillArea3d(); | |
447 | Handle(Graphic3d_Texture2Dmanual) aTextureMap = new Graphic3d_Texture2Dmanual (TCollection_AsciiString (theFilePath)); | |
448 | aTextureMap->EnableRepeat(); | |
449 | aTextureMap->DisableModulate(); | |
450 | aTextureMap->GetParams()->SetGenMode (Graphic3d_TOTM_MANUAL, | |
451 | Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f), | |
452 | Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f)); | |
453 | anAspect->SetTextureMap (aTextureMap); | |
454 | anAspect->SetInteriorStyle (Aspect_IS_SOLID); | |
455 | // Enable texture mapping | |
456 | if (aTextureMap->IsDone()) | |
2166f0fa | 457 | { |
c357e426 | 458 | anAspect->SetTextureMapOn(); |
2166f0fa SK |
459 | } |
460 | else | |
461 | { | |
c357e426 | 462 | anAspect->SetTextureMapOff(); |
463 | return; | |
464 | } | |
2166f0fa | 465 | |
c357e426 | 466 | // Set texture parameters |
467 | myTextureParams->SetAspect (anAspect); | |
468 | } | |
2166f0fa | 469 | |
c357e426 | 470 | // ======================================================================= |
471 | // function : BackgroundImageStyle | |
472 | // purpose : | |
473 | // ======================================================================= | |
474 | Aspect_FillMethod OpenGl_View::BackgroundImageStyle() const | |
475 | { | |
476 | return myBgTextureArray->TextureFillMethod(); | |
2166f0fa SK |
477 | } |
478 | ||
c357e426 | 479 | // ======================================================================= |
480 | // function : SetBackgroundImageStyle | |
481 | // purpose : | |
482 | // ======================================================================= | |
483 | void OpenGl_View::SetBackgroundImageStyle (const Aspect_FillMethod theFillStyle) | |
484 | { | |
485 | myBgTextureArray->SetTextureFillMethod (theFillStyle); | |
486 | } | |
2166f0fa | 487 | |
c357e426 | 488 | //======================================================================= |
489 | //function : AddZLayer | |
490 | //purpose : | |
491 | //======================================================================= | |
492 | void OpenGl_View::AddZLayer (const Graphic3d_ZLayerId theLayerId) | |
2166f0fa | 493 | { |
c357e426 | 494 | myZLayers.AddLayer (theLayerId); |
2166f0fa SK |
495 | } |
496 | ||
c357e426 | 497 | //======================================================================= |
498 | //function : RemoveZLayer | |
499 | //purpose : | |
500 | //======================================================================= | |
501 | void OpenGl_View::RemoveZLayer (const Graphic3d_ZLayerId theLayerId) | |
502 | { | |
503 | myZLayers.RemoveLayer (theLayerId); | |
504 | } | |
2166f0fa | 505 | |
c357e426 | 506 | //======================================================================= |
507 | //function : SetZLayerSettings | |
508 | //purpose : | |
509 | //======================================================================= | |
510 | void OpenGl_View::SetZLayerSettings (const Graphic3d_ZLayerId theLayerId, | |
511 | const Graphic3d_ZLayerSettings& theSettings) | |
2166f0fa | 512 | { |
c357e426 | 513 | myZLayers.SetLayerSettings (theLayerId, theSettings); |
2166f0fa SK |
514 | } |
515 | ||
c357e426 | 516 | //======================================================================= |
517 | //function : FBO | |
518 | //purpose : | |
519 | //======================================================================= | |
b128c892 | 520 | Handle(Standard_Transient) OpenGl_View::FBO() const |
c357e426 | 521 | { |
b128c892 | 522 | return Handle(Standard_Transient)(myFBO); |
c357e426 | 523 | } |
2166f0fa | 524 | |
c357e426 | 525 | //======================================================================= |
526 | //function : SetFBO | |
527 | //purpose : | |
528 | //======================================================================= | |
b128c892 | 529 | void OpenGl_View::SetFBO (const Handle(Standard_Transient)& theFbo) |
2166f0fa | 530 | { |
b128c892 | 531 | myFBO = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
2166f0fa SK |
532 | } |
533 | ||
c357e426 | 534 | //======================================================================= |
535 | //function : FBOCreate | |
536 | //purpose : | |
537 | //======================================================================= | |
b128c892 | 538 | Handle(Standard_Transient) OpenGl_View::FBOCreate (const Standard_Integer theWidth, |
539 | const Standard_Integer theHeight) | |
c357e426 | 540 | { |
541 | return myWorkspace->FBOCreate (theWidth, theHeight); | |
542 | } | |
2166f0fa | 543 | |
c357e426 | 544 | //======================================================================= |
545 | //function : FBORelease | |
546 | //purpose : | |
547 | //======================================================================= | |
b128c892 | 548 | void OpenGl_View::FBORelease (Handle(Standard_Transient)& theFbo) |
2166f0fa | 549 | { |
b128c892 | 550 | Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
551 | if (aFrameBuffer.IsNull()) | |
552 | { | |
553 | return; | |
554 | } | |
555 | ||
556 | myWorkspace->FBORelease (aFrameBuffer); | |
557 | theFbo.Nullify(); | |
c357e426 | 558 | } |
559 | ||
560 | //======================================================================= | |
561 | //function : FBOGetDimensions | |
562 | //purpose : | |
563 | //======================================================================= | |
b128c892 | 564 | void OpenGl_View::FBOGetDimensions (const Handle(Standard_Transient)& theFbo, |
c357e426 | 565 | Standard_Integer& theWidth, |
566 | Standard_Integer& theHeight, | |
567 | Standard_Integer& theWidthMax, | |
568 | Standard_Integer& theHeightMax) | |
569 | { | |
b128c892 | 570 | const Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
571 | if (aFrameBuffer.IsNull()) | |
572 | { | |
573 | return; | |
574 | } | |
575 | ||
c357e426 | 576 | theWidth = aFrameBuffer->GetVPSizeX(); // current viewport size |
577 | theHeight = aFrameBuffer->GetVPSizeY(); | |
578 | theWidthMax = aFrameBuffer->GetSizeX(); // texture size | |
579 | theHeightMax = aFrameBuffer->GetSizeY(); | |
580 | } | |
581 | ||
582 | //======================================================================= | |
583 | //function : FBOChangeViewport | |
584 | //purpose : | |
585 | //======================================================================= | |
b128c892 | 586 | void OpenGl_View::FBOChangeViewport (const Handle(Standard_Transient)& theFbo, |
c357e426 | 587 | const Standard_Integer theWidth, |
588 | const Standard_Integer theHeight) | |
589 | { | |
b128c892 | 590 | const Handle(OpenGl_FrameBuffer) aFrameBuffer = Handle(OpenGl_FrameBuffer)::DownCast (theFbo); |
591 | if (aFrameBuffer.IsNull()) | |
592 | { | |
593 | return; | |
594 | } | |
595 | ||
c357e426 | 596 | aFrameBuffer->ChangeViewport (theWidth, theHeight); |
597 | } | |
598 | ||
599 | // ======================================================================= | |
600 | // function : Export | |
601 | // purpose : | |
602 | // ======================================================================= | |
603 | #ifdef HAVE_GL2PS | |
604 | Standard_Boolean OpenGl_View::Export (const Standard_CString theFileName, | |
605 | const Graphic3d_ExportFormat theFormat, | |
606 | const Graphic3d_SortType theSortType) | |
607 | { | |
608 | // gl2psBeginPage() will call OpenGL functions | |
609 | // so we should activate correct GL context before redraw scene call | |
610 | if (!myWorkspace->Activate()) | |
611 | { | |
612 | return Standard_False; | |
613 | } | |
614 | ||
615 | Standard_Integer aFormat = -1; | |
616 | Standard_Integer aSortType = Graphic3d_ST_BSP_Tree; | |
617 | switch (theFormat) | |
618 | { | |
619 | case Graphic3d_EF_PostScript: | |
620 | aFormat = GL2PS_PS; | |
621 | break; | |
622 | case Graphic3d_EF_EnhPostScript: | |
623 | aFormat = GL2PS_EPS; | |
624 | break; | |
625 | case Graphic3d_EF_TEX: | |
626 | aFormat = GL2PS_TEX; | |
627 | break; | |
628 | case Graphic3d_EF_PDF: | |
629 | aFormat = GL2PS_PDF; | |
630 | break; | |
631 | case Graphic3d_EF_SVG: | |
632 | aFormat = GL2PS_SVG; | |
633 | break; | |
634 | case Graphic3d_EF_PGF: | |
635 | aFormat = GL2PS_PGF; | |
636 | break; | |
637 | case Graphic3d_EF_EMF: | |
638 | //aFormat = GL2PS_EMF; | |
639 | aFormat = GL2PS_PGF + 1; // 6 | |
640 | break; | |
641 | default: | |
642 | // unsupported format | |
643 | return Standard_False; | |
644 | } | |
645 | ||
646 | switch (theSortType) | |
647 | { | |
648 | case Graphic3d_ST_Simple: | |
649 | aSortType = GL2PS_SIMPLE_SORT; | |
650 | break; | |
651 | case Graphic3d_ST_BSP_Tree: | |
652 | aSortType = GL2PS_BSP_SORT; | |
653 | break; | |
654 | } | |
655 | ||
656 | GLint aViewport[4]; | |
657 | aViewport[0] = 0; | |
658 | aViewport[1] = 0; | |
659 | aViewport[2] = myWindow->Width(); | |
660 | aViewport[3] = myWindow->Height(); | |
661 | ||
662 | GLint aBufferSize = 1024 * 1024; | |
663 | GLint anErrCode = GL2PS_SUCCESS; | |
664 | ||
665 | // gl2ps uses standard write functions and do not check locale | |
666 | Standard_CLocaleSentry aLocaleSentry; | |
667 | ||
668 | while (aBufferSize > 0) | |
669 | { | |
670 | // current patch for EMF support in gl2ps uses WinAPI functions to create file | |
671 | FILE* aFileH = (theFormat != Graphic3d_EF_EMF) ? fopen (theFileName, "wb") : NULL; | |
672 | anErrCode = gl2psBeginPage ("", "", aViewport, aFormat, aSortType, | |
673 | GL2PS_DRAW_BACKGROUND | GL2PS_OCCLUSION_CULL | GL2PS_BEST_ROOT/* | GL2PS_SIMPLE_LINE_OFFSET*/, | |
674 | GL_RGBA, 0, NULL, | |
675 | 0, 0, 0, aBufferSize, aFileH, theFileName); | |
676 | if (anErrCode != GL2PS_SUCCESS) | |
677 | { | |
678 | // initialization failed | |
679 | if (aFileH != NULL) | |
680 | fclose (aFileH); | |
681 | break; | |
682 | } | |
683 | Redraw(); | |
684 | ||
685 | anErrCode = gl2psEndPage(); | |
686 | if (aFileH != NULL) | |
687 | fclose (aFileH); | |
688 | ||
689 | if (anErrCode == GL2PS_OVERFLOW) | |
690 | aBufferSize *= 2; | |
691 | else | |
692 | break; | |
693 | } | |
694 | return anErrCode == GL2PS_SUCCESS; | |
695 | } | |
696 | #else | |
697 | Standard_Boolean OpenGl_View::Export (const Standard_CString /*theFileName*/, | |
698 | const Graphic3d_ExportFormat /*theFormat*/, | |
699 | const Graphic3d_SortType /*theSortType*/) | |
700 | { | |
701 | return Standard_False; | |
702 | } | |
703 | #endif | |
704 | ||
705 | //======================================================================= | |
706 | //function : displayStructure | |
707 | //purpose : | |
708 | //======================================================================= | |
709 | void OpenGl_View::displayStructure (const Handle(Graphic3d_CStructure)& theStructure, | |
710 | const Standard_Integer thePriority) | |
711 | { | |
712 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
713 | const Graphic3d_ZLayerId aZLayer = aStruct->ZLayer(); | |
714 | myZLayers.AddStructure (aStruct, aZLayer, thePriority); | |
715 | } | |
716 | ||
717 | //======================================================================= | |
718 | //function : eraseStructure | |
719 | //purpose : | |
720 | //======================================================================= | |
721 | void OpenGl_View::eraseStructure (const Handle(Graphic3d_CStructure)& theStructure) | |
722 | { | |
723 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
724 | myZLayers.RemoveStructure (aStruct); | |
725 | } | |
726 | ||
727 | //======================================================================= | |
728 | //function : changeZLayer | |
729 | //purpose : | |
730 | //======================================================================= | |
731 | void OpenGl_View::changeZLayer (const Handle(Graphic3d_CStructure)& theStructure, | |
732 | const Graphic3d_ZLayerId theNewLayerId) | |
733 | { | |
734 | const Graphic3d_ZLayerId anOldLayer = theStructure->ZLayer(); | |
735 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
736 | myZLayers.ChangeLayer (aStruct, anOldLayer, theNewLayerId); | |
737 | } | |
738 | ||
739 | //======================================================================= | |
740 | //function : changePriority | |
741 | //purpose : | |
742 | //======================================================================= | |
743 | void OpenGl_View::changePriority (const Handle(Graphic3d_CStructure)& theStructure, | |
744 | const Standard_Integer theNewPriority) | |
745 | { | |
746 | const Graphic3d_ZLayerId aLayerId = theStructure->ZLayer(); | |
747 | const OpenGl_Structure* aStruct = reinterpret_cast<const OpenGl_Structure*> (theStructure.operator->()); | |
748 | myZLayers.ChangePriority (aStruct, aLayerId, theNewPriority); | |
2166f0fa | 749 | } |