| 1 | // Created on: 2011-09-20 |
| 2 | // Created by: Sergey ZERCHANINOV |
| 3 | // Copyright (c) 2011-2012 OPEN CASCADE SAS |
| 4 | // |
| 5 | // The content of this file is subject to the Open CASCADE Technology Public |
| 6 | // License Version 6.5 (the "License"). You may not use the content of this file |
| 7 | // except in compliance with the License. Please obtain a copy of the License |
| 8 | // at http://www.opencascade.org and read it completely before using this file. |
| 9 | // |
| 10 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
| 11 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
| 12 | // |
| 13 | // The Original Code and all software distributed under the License is |
| 14 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
| 15 | // Initial Developer hereby disclaims all such warranties, including without |
| 16 | // limitation, any warranties of merchantability, fitness for a particular |
| 17 | // purpose or non-infringement. Please see the License for the specific terms |
| 18 | // and conditions governing the rights and limitations under the License. |
| 19 | |
| 20 | #include <OpenGl_GlCore15.hxx> |
| 21 | |
| 22 | #include <InterfaceGraphic.hxx> |
| 23 | |
| 24 | #include <OpenGl_AspectLine.hxx> |
| 25 | #include <OpenGl_AspectFace.hxx> |
| 26 | #include <OpenGl_AspectMarker.hxx> |
| 27 | #include <OpenGl_AspectText.hxx> |
| 28 | #include <OpenGl_Context.hxx> |
| 29 | #include <OpenGl_FrameBuffer.hxx> |
| 30 | #include <OpenGl_Texture.hxx> |
| 31 | #include <OpenGl_Workspace.hxx> |
| 32 | #include <OpenGl_Element.hxx> |
| 33 | |
| 34 | #include <Graphic3d_TextureParams.hxx> |
| 35 | |
| 36 | #if defined(_WIN32) && defined(HAVE_VIDEOCAPTURE) |
| 37 | #include <OpenGl_AVIWriter.hxx> |
| 38 | #endif |
| 39 | |
| 40 | IMPLEMENT_STANDARD_HANDLE(OpenGl_Workspace,OpenGl_Window) |
| 41 | IMPLEMENT_STANDARD_RTTIEXT(OpenGl_Workspace,OpenGl_Window) |
| 42 | |
| 43 | namespace |
| 44 | { |
| 45 | static const TEL_COLOUR myDefaultHighlightColor = { { 1.F, 1.F, 1.F, 1.F } }; |
| 46 | |
| 47 | static const OpenGl_AspectLine myDefaultAspectLine; |
| 48 | static const OpenGl_AspectFace myDefaultAspectFace; |
| 49 | static const OpenGl_AspectMarker myDefaultAspectMarker; |
| 50 | static const OpenGl_AspectText myDefaultAspectText; |
| 51 | |
| 52 | static const OpenGl_TextParam myDefaultTextParam = |
| 53 | { |
| 54 | 16, Graphic3d_HTA_LEFT, Graphic3d_VTA_BOTTOM |
| 55 | }; |
| 56 | |
| 57 | static const OpenGl_Matrix myDefaultMatrix = |
| 58 | { |
| 59 | {{ 1.0F, 0.0F, 0.0F, 0.0F }, |
| 60 | { 0.0F, 1.0F, 0.0F, 0.0F }, |
| 61 | { 0.0F, 0.0F, 1.0F, 0.0F }, |
| 62 | { 0.0F, 0.0F, 0.0F, 1.0F }} |
| 63 | }; |
| 64 | |
| 65 | }; |
| 66 | |
| 67 | // ======================================================================= |
| 68 | // function : OpenGl_Workspace |
| 69 | // purpose : |
| 70 | // ======================================================================= |
| 71 | OpenGl_Workspace::OpenGl_Workspace (const Handle(OpenGl_Display)& theDisplay, |
| 72 | const CALL_DEF_WINDOW& theCWindow, |
| 73 | Aspect_RenderingContext theGContext, |
| 74 | const Handle(OpenGl_Caps)& theCaps, |
| 75 | const Handle(OpenGl_Context)& theShareCtx) |
| 76 | : OpenGl_Window (theDisplay, theCWindow, theGContext, theCaps, theShareCtx), |
| 77 | NamedStatus (0), |
| 78 | HighlightColor (&myDefaultHighlightColor), |
| 79 | // |
| 80 | myIsTransientOpen (Standard_False), |
| 81 | myRetainMode (Standard_False), |
| 82 | myTransientDrawToFront (Standard_True), |
| 83 | myUseTransparency (Standard_False), |
| 84 | myUseZBuffer (Standard_False), |
| 85 | myUseDepthTest (Standard_True), |
| 86 | myUseGLLight (Standard_True), |
| 87 | myBackBufferRestored (Standard_False), |
| 88 | // |
| 89 | AspectLine_set (&myDefaultAspectLine), |
| 90 | AspectLine_applied (NULL), |
| 91 | AspectFace_set (&myDefaultAspectFace), |
| 92 | AspectFace_applied (NULL), |
| 93 | AspectMarker_set (&myDefaultAspectMarker), |
| 94 | AspectMarker_applied (NULL), |
| 95 | AspectText_set (&myDefaultAspectText), |
| 96 | AspectText_applied (NULL), |
| 97 | TextParam_set (&myDefaultTextParam), |
| 98 | TextParam_applied (NULL), |
| 99 | ViewMatrix_applied (&myDefaultMatrix), |
| 100 | StructureMatrix_applied (&myDefaultMatrix), |
| 101 | PolygonOffset_applied (NULL) |
| 102 | { |
| 103 | theDisplay->InitAttributes(); |
| 104 | |
| 105 | // General initialization of the context |
| 106 | |
| 107 | // Eviter d'avoir les faces mal orientees en noir. |
| 108 | // Pourrait etre utiliser pour detecter les problemes d'orientation |
| 109 | glLightModeli ((GLenum )GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE); |
| 110 | |
| 111 | // Optimisation pour le Fog et l'antialiasing |
| 112 | glHint (GL_FOG_HINT, GL_FASTEST); |
| 113 | glHint (GL_POINT_SMOOTH_HINT, GL_FASTEST); |
| 114 | glHint (GL_LINE_SMOOTH_HINT, GL_FASTEST); |
| 115 | glHint (GL_POLYGON_SMOOTH_HINT, GL_FASTEST); |
| 116 | |
| 117 | // Polygon Offset |
| 118 | EnablePolygonOffset(); |
| 119 | } |
| 120 | |
| 121 | // ======================================================================= |
| 122 | // function : SetImmediateModeDrawToFront |
| 123 | // purpose : |
| 124 | // ======================================================================= |
| 125 | Standard_Boolean OpenGl_Workspace::SetImmediateModeDrawToFront (const Standard_Boolean theDrawToFrontBuffer) |
| 126 | { |
| 127 | const Standard_Boolean aPrevMode = myTransientDrawToFront; |
| 128 | myTransientDrawToFront = theDrawToFrontBuffer; |
| 129 | return aPrevMode; |
| 130 | } |
| 131 | |
| 132 | // ======================================================================= |
| 133 | // function : ~OpenGl_Workspace |
| 134 | // purpose : |
| 135 | // ======================================================================= |
| 136 | OpenGl_Workspace::~OpenGl_Workspace() |
| 137 | { |
| 138 | } |
| 139 | |
| 140 | // ======================================================================= |
| 141 | // function : Activate |
| 142 | // purpose : |
| 143 | // ======================================================================= |
| 144 | Standard_Boolean OpenGl_Workspace::Activate() |
| 145 | { |
| 146 | if (!OpenGl_Window::Activate()) |
| 147 | return Standard_False; |
| 148 | |
| 149 | ViewMatrix_applied = &myDefaultMatrix; |
| 150 | StructureMatrix_applied = &myDefaultMatrix; |
| 151 | |
| 152 | ResetAppliedAspect(); |
| 153 | |
| 154 | return Standard_True; |
| 155 | } |
| 156 | |
| 157 | // ======================================================================= |
| 158 | // function : UseTransparency |
| 159 | // purpose : call_togl_transparency |
| 160 | // ======================================================================= |
| 161 | void OpenGl_Workspace::UseTransparency (const Standard_Boolean theFlag) |
| 162 | { |
| 163 | myUseTransparency = theFlag; |
| 164 | } |
| 165 | |
| 166 | //======================================================================= |
| 167 | //function : ResetAppliedAspect |
| 168 | //purpose : Sets default values of GL parameters in accordance with default aspects |
| 169 | //======================================================================= |
| 170 | void OpenGl_Workspace::ResetAppliedAspect() |
| 171 | { |
| 172 | NamedStatus = !myTextureBound.IsNull() ? OPENGL_NS_TEXTURE : 0; |
| 173 | HighlightColor = &myDefaultHighlightColor; |
| 174 | AspectLine_set = &myDefaultAspectLine; |
| 175 | AspectLine_applied = NULL; |
| 176 | AspectFace_set = &myDefaultAspectFace; |
| 177 | AspectFace_applied = NULL; |
| 178 | AspectMarker_set = &myDefaultAspectMarker; |
| 179 | AspectMarker_applied = NULL; |
| 180 | AspectText_set = &myDefaultAspectText; |
| 181 | AspectText_applied = NULL; |
| 182 | TextParam_set = &myDefaultTextParam; |
| 183 | TextParam_applied = NULL; |
| 184 | PolygonOffset_applied = NULL; |
| 185 | |
| 186 | AspectLine(Standard_True); |
| 187 | AspectFace(Standard_True); |
| 188 | AspectMarker(Standard_True); |
| 189 | AspectText(Standard_True); |
| 190 | } |
| 191 | |
| 192 | // ======================================================================= |
| 193 | // function : DisableTexture |
| 194 | // purpose : |
| 195 | // ======================================================================= |
| 196 | Handle(OpenGl_Texture) OpenGl_Workspace::DisableTexture() |
| 197 | { |
| 198 | if (myTextureBound.IsNull()) |
| 199 | { |
| 200 | return myTextureBound; |
| 201 | } |
| 202 | |
| 203 | // reset texture matrix because some code may expect it is identity |
| 204 | GLint aMatrixMode = GL_TEXTURE; |
| 205 | glGetIntegerv (GL_MATRIX_MODE, &aMatrixMode); |
| 206 | glMatrixMode (GL_TEXTURE); |
| 207 | glLoadIdentity(); |
| 208 | glMatrixMode (aMatrixMode); |
| 209 | |
| 210 | myTextureBound->Unbind (myGlContext); |
| 211 | switch (myTextureBound->GetTarget()) |
| 212 | { |
| 213 | case GL_TEXTURE_1D: |
| 214 | { |
| 215 | if (myTextureBound->GetParams()->GenMode() != GL_NONE) |
| 216 | { |
| 217 | glDisable (GL_TEXTURE_GEN_S); |
| 218 | } |
| 219 | glDisable (GL_TEXTURE_1D); |
| 220 | break; |
| 221 | } |
| 222 | case GL_TEXTURE_2D: |
| 223 | { |
| 224 | if (myTextureBound->GetParams()->GenMode() != GL_NONE) |
| 225 | { |
| 226 | glDisable (GL_TEXTURE_GEN_S); |
| 227 | glDisable (GL_TEXTURE_GEN_T); |
| 228 | if (myTextureBound->GetParams()->GenMode() == Graphic3d_TOTM_SPRITE) |
| 229 | { |
| 230 | glDisable (GL_POINT_SPRITE); |
| 231 | } |
| 232 | } |
| 233 | glDisable (GL_TEXTURE_2D); |
| 234 | break; |
| 235 | } |
| 236 | default: break; |
| 237 | } |
| 238 | |
| 239 | Handle(OpenGl_Texture) aPrevTexture = myTextureBound; |
| 240 | myTextureBound.Nullify(); |
| 241 | return aPrevTexture; |
| 242 | } |
| 243 | |
| 244 | // ======================================================================= |
| 245 | // function : setTextureParams |
| 246 | // purpose : |
| 247 | // ======================================================================= |
| 248 | void OpenGl_Workspace::setTextureParams (Handle(OpenGl_Texture)& theTexture, |
| 249 | const Handle(Graphic3d_TextureParams)& theParams) |
| 250 | { |
| 251 | const Handle(Graphic3d_TextureParams)& aParams = theParams.IsNull() ? theTexture->GetParams() : theParams; |
| 252 | if (aParams.IsNull()) |
| 253 | { |
| 254 | return; |
| 255 | } |
| 256 | |
| 257 | GLint aMatrixMode = GL_TEXTURE; |
| 258 | glGetIntegerv (GL_MATRIX_MODE, &aMatrixMode); |
| 259 | |
| 260 | // setup texture matrix |
| 261 | glMatrixMode (GL_TEXTURE); |
| 262 | glLoadIdentity(); |
| 263 | const Graphic3d_Vec2& aScale = aParams->Scale(); |
| 264 | const Graphic3d_Vec2& aTrans = aParams->Translation(); |
| 265 | glScalef ( aScale.x(), aScale.y(), 1.0f); |
| 266 | glTranslatef (-aTrans.x(), -aTrans.y(), 0.0f); |
| 267 | glRotatef (-aParams->Rotation(), 0.0f, 0.0f, 1.0f); |
| 268 | |
| 269 | // setup generation of texture coordinates |
| 270 | switch (aParams->GenMode()) |
| 271 | { |
| 272 | case Graphic3d_TOTM_OBJECT: |
| 273 | { |
| 274 | glTexGeni (GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR); |
| 275 | glTexGenfv (GL_S, GL_OBJECT_PLANE, aParams->GenPlaneS().GetData()); |
| 276 | if (theTexture->GetTarget() != GL_TEXTURE_1D) |
| 277 | { |
| 278 | glTexGeni (GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR); |
| 279 | glTexGenfv (GL_T, GL_OBJECT_PLANE, aParams->GenPlaneT().GetData()); |
| 280 | } |
| 281 | break; |
| 282 | } |
| 283 | case Graphic3d_TOTM_SPHERE: |
| 284 | { |
| 285 | glTexGeni (GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP); |
| 286 | if (theTexture->GetTarget() != GL_TEXTURE_1D) |
| 287 | { |
| 288 | glTexGeni (GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP); |
| 289 | } |
| 290 | break; |
| 291 | } |
| 292 | case Graphic3d_TOTM_EYE: |
| 293 | { |
| 294 | glMatrixMode (GL_MODELVIEW); |
| 295 | glPushMatrix(); |
| 296 | glLoadIdentity(); |
| 297 | |
| 298 | glTexGeni (GL_S, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR); |
| 299 | glTexGenfv (GL_S, GL_EYE_PLANE, aParams->GenPlaneS().GetData()); |
| 300 | |
| 301 | if (theTexture->GetTarget() != GL_TEXTURE_1D) |
| 302 | { |
| 303 | glTexGeni (GL_T, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR); |
| 304 | glTexGenfv (GL_T, GL_EYE_PLANE, aParams->GenPlaneT().GetData()); |
| 305 | } |
| 306 | glPopMatrix(); |
| 307 | break; |
| 308 | } |
| 309 | case Graphic3d_TOTM_SPRITE: |
| 310 | { |
| 311 | if (GetGlContext()->core20 != NULL) |
| 312 | { |
| 313 | glEnable (GL_POINT_SPRITE); |
| 314 | glTexEnvi (GL_POINT_SPRITE, GL_COORD_REPLACE, GL_TRUE); |
| 315 | glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
| 316 | GetGlContext()->core15->glPointParameteri (GL_POINT_SPRITE_COORD_ORIGIN, GL_LOWER_LEFT); |
| 317 | } |
| 318 | break; |
| 319 | } |
| 320 | case Graphic3d_TOTM_MANUAL: |
| 321 | default: break; |
| 322 | } |
| 323 | |
| 324 | // setup lighting |
| 325 | if (aParams->GenMode() != Graphic3d_TOTM_SPRITE) |
| 326 | { |
| 327 | glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, aParams->IsModulate() ? GL_MODULATE : GL_DECAL); |
| 328 | } |
| 329 | |
| 330 | // setup texture filtering and wrapping |
| 331 | //if (theTexture->GetParams() != theParams) |
| 332 | const GLenum aFilter = (aParams->Filter() == Graphic3d_TOTF_NEAREST) ? GL_NEAREST : GL_LINEAR; |
| 333 | const GLenum aWrapMode = aParams->IsRepeat() ? GL_REPEAT : GL_CLAMP; |
| 334 | switch (theTexture->GetTarget()) |
| 335 | { |
| 336 | case GL_TEXTURE_1D: |
| 337 | { |
| 338 | glTexParameteri (GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, aFilter); |
| 339 | glTexParameteri (GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, aFilter); |
| 340 | glTexParameteri (GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, aWrapMode); |
| 341 | break; |
| 342 | } |
| 343 | case GL_TEXTURE_2D: |
| 344 | { |
| 345 | GLenum aFilterMin = aFilter; |
| 346 | if (theTexture->HasMipmaps()) |
| 347 | { |
| 348 | aFilterMin = GL_NEAREST_MIPMAP_NEAREST; |
| 349 | if (aParams->Filter() == Graphic3d_TOTF_BILINEAR) |
| 350 | { |
| 351 | aFilterMin = GL_LINEAR_MIPMAP_NEAREST; |
| 352 | } |
| 353 | else if (aParams->Filter() == Graphic3d_TOTF_TRILINEAR) |
| 354 | { |
| 355 | aFilterMin = GL_LINEAR_MIPMAP_LINEAR; |
| 356 | } |
| 357 | |
| 358 | if (myGlContext->extAnis) |
| 359 | { |
| 360 | // setup degree of anisotropy filter |
| 361 | const GLint aMaxDegree = myGlContext->MaxDegreeOfAnisotropy(); |
| 362 | switch (aParams->AnisoFilter()) |
| 363 | { |
| 364 | case Graphic3d_LOTA_QUALITY: |
| 365 | { |
| 366 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, aMaxDegree); |
| 367 | break; |
| 368 | } |
| 369 | case Graphic3d_LOTA_MIDDLE: |
| 370 | { |
| 371 | |
| 372 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, (aMaxDegree <= 4) ? 2 : (aMaxDegree / 2)); |
| 373 | break; |
| 374 | } |
| 375 | case Graphic3d_LOTA_FAST: |
| 376 | { |
| 377 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, 2); |
| 378 | break; |
| 379 | } |
| 380 | case Graphic3d_LOTA_OFF: |
| 381 | default: |
| 382 | { |
| 383 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1); |
| 384 | break; |
| 385 | } |
| 386 | } |
| 387 | } |
| 388 | } |
| 389 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, aFilterMin); |
| 390 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, aFilter); |
| 391 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, aWrapMode); |
| 392 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, aWrapMode); |
| 393 | break; |
| 394 | } |
| 395 | default: break; |
| 396 | } |
| 397 | |
| 398 | switch (theTexture->GetTarget()) |
| 399 | { |
| 400 | case GL_TEXTURE_1D: |
| 401 | { |
| 402 | if (aParams->GenMode() != Graphic3d_TOTM_MANUAL) |
| 403 | { |
| 404 | glEnable (GL_TEXTURE_GEN_S); |
| 405 | } |
| 406 | glEnable (GL_TEXTURE_1D); |
| 407 | break; |
| 408 | } |
| 409 | case GL_TEXTURE_2D: |
| 410 | { |
| 411 | if (aParams->GenMode() != Graphic3d_TOTM_MANUAL) |
| 412 | { |
| 413 | glEnable (GL_TEXTURE_GEN_S); |
| 414 | glEnable (GL_TEXTURE_GEN_T); |
| 415 | } |
| 416 | glEnable (GL_TEXTURE_2D); |
| 417 | break; |
| 418 | } |
| 419 | default: break; |
| 420 | } |
| 421 | |
| 422 | glMatrixMode (aMatrixMode); // turn back active matrix |
| 423 | theTexture->SetParams (aParams); |
| 424 | } |
| 425 | |
| 426 | // ======================================================================= |
| 427 | // function : EnableTexture |
| 428 | // purpose : |
| 429 | // ======================================================================= |
| 430 | Handle(OpenGl_Texture) OpenGl_Workspace::EnableTexture (const Handle(OpenGl_Texture)& theTexture, |
| 431 | const Handle(Graphic3d_TextureParams)& theParams) |
| 432 | { |
| 433 | if (theTexture.IsNull() || !theTexture->IsValid()) |
| 434 | { |
| 435 | return DisableTexture(); |
| 436 | } |
| 437 | |
| 438 | if (myTextureBound == theTexture |
| 439 | && (theParams.IsNull() || theParams == theTexture->GetParams())) |
| 440 | { |
| 441 | // already bound |
| 442 | return myTextureBound; |
| 443 | } |
| 444 | |
| 445 | Handle(OpenGl_Texture) aPrevTexture = DisableTexture(); |
| 446 | myTextureBound = theTexture; |
| 447 | myTextureBound->Bind (myGlContext); |
| 448 | setTextureParams (myTextureBound, theParams); |
| 449 | |
| 450 | return aPrevTexture; |
| 451 | } |
| 452 | |
| 453 | // ======================================================================= |
| 454 | // function : Redraw |
| 455 | // purpose : |
| 456 | // ======================================================================= |
| 457 | void OpenGl_Workspace::Redraw (const Graphic3d_CView& theCView, |
| 458 | const Aspect_CLayer2d& theCUnderLayer, |
| 459 | const Aspect_CLayer2d& theCOverLayer) |
| 460 | { |
| 461 | if (!Activate()) |
| 462 | { |
| 463 | return; |
| 464 | } |
| 465 | |
| 466 | // release pending GL resources |
| 467 | Handle(OpenGl_Context) aGlCtx = GetGlContext(); |
| 468 | aGlCtx->ReleaseDelayed(); |
| 469 | |
| 470 | // cache render mode state |
| 471 | GLint aRendMode = GL_RENDER; |
| 472 | glGetIntegerv (GL_RENDER_MODE, &aRendMode); |
| 473 | aGlCtx->SetFeedback (aRendMode == GL_FEEDBACK); |
| 474 | |
| 475 | Tint toSwap = (aRendMode == GL_RENDER); // swap buffers |
| 476 | GLint aViewPortBack[4]; |
| 477 | OpenGl_FrameBuffer* aFrameBuffer = (OpenGl_FrameBuffer* )theCView.ptrFBO; |
| 478 | if (aFrameBuffer != NULL) |
| 479 | { |
| 480 | glGetIntegerv (GL_VIEWPORT, aViewPortBack); |
| 481 | aFrameBuffer->SetupViewport(); |
| 482 | aFrameBuffer->BindBuffer (aGlCtx); |
| 483 | toSwap = 0; // no need to swap buffers |
| 484 | } |
| 485 | |
| 486 | Redraw1 (theCView, theCUnderLayer, theCOverLayer, toSwap); |
| 487 | if (aFrameBuffer == NULL || !myTransientDrawToFront) |
| 488 | { |
| 489 | RedrawImmediatMode(); |
| 490 | } |
| 491 | |
| 492 | if (aFrameBuffer != NULL) |
| 493 | { |
| 494 | aFrameBuffer->UnbindBuffer (aGlCtx); |
| 495 | // move back original viewport |
| 496 | glViewport (aViewPortBack[0], aViewPortBack[1], aViewPortBack[2], aViewPortBack[3]); |
| 497 | } |
| 498 | |
| 499 | #if (defined(_WIN32) || defined(__WIN32__)) && defined(HAVE_VIDEOCAPTURE) |
| 500 | if (OpenGl_AVIWriter_AllowWriting (theCView.DefWindow.XWindow)) |
| 501 | { |
| 502 | GLint params[4]; |
| 503 | glGetIntegerv (GL_VIEWPORT, params); |
| 504 | int nWidth = params[2] & ~0x7; |
| 505 | int nHeight = params[3] & ~0x7; |
| 506 | |
| 507 | const int nBitsPerPixel = 24; |
| 508 | GLubyte* aDumpData = new GLubyte[nWidth * nHeight * nBitsPerPixel / 8]; |
| 509 | |
| 510 | glPixelStorei (GL_PACK_ALIGNMENT, 1); |
| 511 | glReadPixels (0, 0, nWidth, nHeight, GL_BGR_EXT, GL_UNSIGNED_BYTE, aDumpData); |
| 512 | OpenGl_AVIWriter_AVIWriter (aDumpData, nWidth, nHeight, nBitsPerPixel); |
| 513 | delete[] aDumpData; |
| 514 | } |
| 515 | #endif |
| 516 | |
| 517 | // reset render mode state |
| 518 | aGlCtx->SetFeedback (Standard_False); |
| 519 | } |