[1350] | 1 | // |
---|
| 2 | // ******************************************************************** |
---|
| 3 | // * License and Disclaimer * |
---|
| 4 | // * * |
---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
| 9 | // * include a list of copyright holders. * |
---|
| 10 | // * * |
---|
| 11 | // * Neither the authors of this software system, nor their employing * |
---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
---|
| 13 | // * work make any representation or warranty, express or implied, * |
---|
| 14 | // * regarding this software system or assume any liability for its * |
---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
---|
| 17 | // * * |
---|
| 18 | // * This code implementation is the result of the scientific and * |
---|
| 19 | // * technical work of the GEANT4 collaboration. * |
---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
---|
| 22 | // * use in resulting scientific publications, and indicate your * |
---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
| 24 | // ******************************************************************** |
---|
| 25 | // |
---|
| 26 | // |
---|
| 27 | // $Id: G4OpenGLXViewer.cc,v 1.55 2009/05/13 10:28:00 lgarnier Exp $ |
---|
| 28 | // GEANT4 tag $Name: $ |
---|
| 29 | // |
---|
| 30 | // |
---|
| 31 | // Andrew Walkden 7th February 1997 |
---|
| 32 | // G4OpenGLXViewer : Class to provide XWindows specific |
---|
| 33 | // functionality for OpenGL in GEANT4 |
---|
| 34 | |
---|
| 35 | #ifdef G4VIS_BUILD_OPENGLX_DRIVER |
---|
| 36 | |
---|
| 37 | #include "G4OpenGLXViewer.hh" |
---|
| 38 | #include "G4VViewer.hh" |
---|
| 39 | #include "G4OpenGLSceneHandler.hh" |
---|
| 40 | #include <GL/glu.h> |
---|
| 41 | |
---|
| 42 | #include "G4OpenGLFontBaseStore.hh" |
---|
| 43 | |
---|
| 44 | #include <sstream> |
---|
| 45 | |
---|
| 46 | #include "G4VisExtent.hh" |
---|
| 47 | #include "G4LogicalVolume.hh" |
---|
| 48 | #include "G4VSolid.hh" |
---|
| 49 | #include "G4Point3D.hh" |
---|
| 50 | #include "G4Normal3D.hh" |
---|
| 51 | #include "G4StateManager.hh" |
---|
| 52 | |
---|
| 53 | #include <X11/Xatom.h> |
---|
| 54 | #include <X11/Xutil.h> |
---|
| 55 | #include <X11/Xmu/StdCmap.h> |
---|
| 56 | |
---|
| 57 | #include <assert.h> |
---|
| 58 | |
---|
| 59 | int G4OpenGLXViewer::snglBuf_RGBA[12] = |
---|
| 60 | { GLX_RGBA, |
---|
| 61 | GLX_RED_SIZE, 1, |
---|
| 62 | GLX_GREEN_SIZE, 1, |
---|
| 63 | GLX_BLUE_SIZE, 1, |
---|
| 64 | GLX_DEPTH_SIZE, 1, |
---|
| 65 | GLX_STENCIL_SIZE, 1, |
---|
| 66 | None }; |
---|
| 67 | |
---|
| 68 | int G4OpenGLXViewer::dblBuf_RGBA[13] = |
---|
| 69 | { GLX_RGBA, |
---|
| 70 | GLX_RED_SIZE, 1, |
---|
| 71 | GLX_GREEN_SIZE, 1, |
---|
| 72 | GLX_BLUE_SIZE, 1, |
---|
| 73 | GLX_DOUBLEBUFFER, |
---|
| 74 | GLX_DEPTH_SIZE, 1, |
---|
| 75 | GLX_STENCIL_SIZE, 1, |
---|
| 76 | None }; |
---|
| 77 | |
---|
| 78 | #define NewString(str) \ |
---|
| 79 | ((str) != NULL ? (strcpy((char*)malloc((unsigned)strlen(str) + 1), str)) : (char*)NULL) |
---|
| 80 | |
---|
| 81 | #define USE_DEFAULT_COLORMAP 1 |
---|
| 82 | #define USE_STANDARD_COLORMAP 0 |
---|
| 83 | |
---|
| 84 | XVisualInfo* G4OpenGLXViewer::vi_single_buffer = 0; |
---|
| 85 | XVisualInfo* G4OpenGLXViewer::vi_double_buffer = 0; |
---|
| 86 | |
---|
| 87 | extern "C" { |
---|
| 88 | static Bool G4OpenGLXViewerWaitForNotify (Display*, XEvent* e, char* arg) { |
---|
| 89 | return (e->type == MapNotify) && (e->xmap.window == (Window) arg); |
---|
| 90 | } |
---|
| 91 | } |
---|
| 92 | |
---|
| 93 | void G4OpenGLXViewer::SetView () { |
---|
| 94 | Bool success = glXMakeCurrent (dpy, win, cx); |
---|
| 95 | if (!success) { |
---|
| 96 | fViewId = -1; // This flags an error. |
---|
| 97 | G4cerr << "G4OpenGLViewer::G4OpenGLViewer failed to attach a GLX context." |
---|
| 98 | << G4endl; |
---|
| 99 | GLint error = GL_NO_ERROR; |
---|
| 100 | while ((error = glGetError()) != GL_NO_ERROR) { |
---|
| 101 | G4cout << "GL Error: " << gluErrorString(error) << G4endl; |
---|
| 102 | } |
---|
| 103 | return; |
---|
| 104 | } |
---|
| 105 | G4OpenGLViewer::SetView (); |
---|
| 106 | } |
---|
| 107 | |
---|
| 108 | void G4OpenGLXViewer::ShowView () { |
---|
| 109 | glXWaitGL (); //Wait for effects of all previous OpenGL commands to |
---|
| 110 | //be propagated before progressing. |
---|
| 111 | glFlush (); |
---|
| 112 | |
---|
| 113 | if (fVP.IsPicking()) { |
---|
| 114 | G4cout << |
---|
| 115 | "Window activated for picking (left-mouse), exit (middle-mouse)." |
---|
| 116 | << G4endl; |
---|
| 117 | while (true) { |
---|
| 118 | if (XPending(dpy)) { |
---|
| 119 | XNextEvent(dpy, &event); |
---|
| 120 | if (event.type == ButtonPress && event.xbutton.button == 1) { |
---|
| 121 | Pick(event.xbutton.x, event.xbutton.y); |
---|
| 122 | } |
---|
| 123 | else if (event.type == ButtonPress && event.xbutton.button == 2) break; |
---|
| 124 | } |
---|
| 125 | } |
---|
| 126 | } |
---|
| 127 | } |
---|
| 128 | |
---|
| 129 | void G4OpenGLXViewer::GetXConnection () { |
---|
| 130 | // get a connection. |
---|
| 131 | dpy = XOpenDisplay (0); |
---|
| 132 | if (!dpy) { |
---|
| 133 | fViewId = -1; // This flags an error. |
---|
| 134 | G4cerr << "G4OpenGLViewer::G4OpenGLViewer couldn't open display." << G4endl; |
---|
| 135 | return; |
---|
| 136 | } |
---|
| 137 | |
---|
| 138 | // make sure OpenGL is supported and installed properly. |
---|
| 139 | if (!glXQueryExtension (dpy, &errorBase, &eventBase)) { |
---|
| 140 | fViewId = -1; // This flags an error. |
---|
| 141 | G4cerr << "G4OpenGLViewer::G4OpenGLViewer X Server has no GLX extension." |
---|
| 142 | << G4endl; |
---|
| 143 | return; |
---|
| 144 | } |
---|
| 145 | |
---|
| 146 | } |
---|
| 147 | |
---|
| 148 | void G4OpenGLXViewer::CreateGLXContext (XVisualInfo* v) { |
---|
| 149 | |
---|
| 150 | vi = v; |
---|
| 151 | // get window's attributes |
---|
| 152 | if (!XGetWindowAttributes(dpy, XRootWindow (dpy, vi -> screen), &xwa)) { |
---|
| 153 | fViewId = -1; // This flags an error. |
---|
| 154 | G4cerr << "G4OpenGLViewer::G4OpenGLViewer couldn't return window attributes" |
---|
| 155 | << G4endl; |
---|
| 156 | return; |
---|
| 157 | } |
---|
| 158 | |
---|
| 159 | // create a GLX context |
---|
| 160 | cx = glXCreateContext (dpy, vi, 0, true); |
---|
| 161 | if (!cx) { |
---|
| 162 | fViewId = -1; // This flags an error. |
---|
| 163 | G4cerr << "G4OpenGLViewer::G4OpenGLViewer couldn't create context." |
---|
| 164 | << G4endl; |
---|
| 165 | return; |
---|
| 166 | } |
---|
| 167 | |
---|
| 168 | // New stab at getting a colormap |
---|
| 169 | |
---|
| 170 | Status status; |
---|
| 171 | XStandardColormap *standardCmaps = XAllocStandardColormap (); |
---|
| 172 | int i, numCmaps; |
---|
| 173 | |
---|
| 174 | status = XmuLookupStandardColormap (dpy, |
---|
| 175 | vi -> screen, |
---|
| 176 | vi -> visualid, |
---|
| 177 | vi -> depth, |
---|
| 178 | XA_RGB_DEFAULT_MAP, |
---|
| 179 | False, |
---|
| 180 | True); |
---|
| 181 | |
---|
| 182 | if (status == 1) { |
---|
| 183 | cmap = 0; |
---|
| 184 | status = XGetRGBColormaps (dpy, |
---|
| 185 | XRootWindow (dpy, vi -> screen), |
---|
| 186 | &standardCmaps, |
---|
| 187 | &numCmaps, |
---|
| 188 | XA_RGB_DEFAULT_MAP); |
---|
| 189 | if (status == 1) |
---|
| 190 | for (i = 0; i < numCmaps; i++) { |
---|
| 191 | if (standardCmaps[i].visualid == vi -> visualid) { |
---|
| 192 | cmap = standardCmaps[i].colormap; |
---|
| 193 | XFree (standardCmaps); |
---|
| 194 | break; |
---|
| 195 | } |
---|
| 196 | } |
---|
| 197 | if (!cmap) { |
---|
| 198 | fViewId = -1; // This flags an error. |
---|
| 199 | G4cerr << |
---|
| 200 | "G4OpenGLViewer::G4OpenGLViewer failed to allocate a standard colormap." |
---|
| 201 | << G4endl; |
---|
| 202 | return; |
---|
| 203 | } |
---|
| 204 | G4cout << "Got standard cmap" << G4endl; |
---|
| 205 | } else { |
---|
| 206 | cmap = XCreateColormap (dpy, |
---|
| 207 | XRootWindow(dpy, vi -> screen), |
---|
| 208 | vi -> visual, |
---|
| 209 | AllocNone); |
---|
| 210 | G4cout << "Created own cmap" << G4endl; |
---|
| 211 | } |
---|
| 212 | |
---|
| 213 | if (!cmap) { |
---|
| 214 | fViewId = -1; // This flags an error. |
---|
| 215 | G4cerr << "G4OpenGLViewer::G4OpenGLViewer failed to allocate a Colormap." |
---|
| 216 | << G4endl; |
---|
| 217 | return; |
---|
| 218 | } |
---|
| 219 | |
---|
| 220 | } |
---|
| 221 | |
---|
| 222 | void G4OpenGLXViewer::CreateMainWindow () { |
---|
| 223 | |
---|
| 224 | // create a window |
---|
| 225 | swa.colormap = cmap; |
---|
| 226 | swa.border_pixel = 0; |
---|
| 227 | swa.event_mask = ExposureMask | ButtonPressMask | StructureNotifyMask; |
---|
| 228 | swa.backing_store = WhenMapped; |
---|
| 229 | |
---|
| 230 | // Window size and position... |
---|
| 231 | size_hints = XAllocSizeHints(); |
---|
| 232 | |
---|
| 233 | ResizeWindow(fVP.GetWindowSizeHintX(),fVP.GetWindowSizeHintY()); |
---|
| 234 | |
---|
| 235 | G4int x_origin = fVP.GetWindowAbsoluteLocationHintX(DisplayWidth(dpy, vi -> screen)); |
---|
| 236 | |
---|
| 237 | // FIXME, screen size != window size on MAC, but I don't know have to get the menuBar |
---|
| 238 | // size on MAC. L.Garnier 01/2009 |
---|
| 239 | G4int y_origin = fVP.GetWindowAbsoluteLocationHintY(DisplayHeight(dpy, vi -> screen)); |
---|
| 240 | |
---|
| 241 | size_hints->base_width = getWinWidth(); |
---|
| 242 | size_hints->base_height = getWinHeight(); |
---|
| 243 | size_hints->x = x_origin; |
---|
| 244 | size_hints->y = y_origin; |
---|
| 245 | if (fVP.IsWindowSizeHintX () && fVP.IsWindowLocationHintX () && fVP.IsWindowLocationHintY ()) { |
---|
| 246 | size_hints->flags |= PSize | PPosition; |
---|
| 247 | } else if (fVP.IsWindowSizeHintX () && !(fVP.IsWindowLocationHintX () || fVP.IsWindowLocationHintY ())) { |
---|
| 248 | size_hints->flags |= PSize; |
---|
| 249 | } else if ((!fVP.IsWindowSizeHintX ()) && fVP.IsWindowLocationHintX () && fVP.IsWindowLocationHintY ()) { |
---|
| 250 | size_hints->flags |= PPosition; |
---|
| 251 | } |
---|
| 252 | G4cout << "Window name: " << fName << G4endl; |
---|
| 253 | strncpy (charViewName, fName, 100); |
---|
| 254 | char *window_name = charViewName; |
---|
| 255 | char *icon_name = charViewName; |
---|
| 256 | //char tmpatom[] = "XA_WM_NORMAL_HINTS"; |
---|
| 257 | wm_hints = XAllocWMHints(); |
---|
| 258 | class_hints = XAllocClassHint(); |
---|
| 259 | |
---|
| 260 | XStringListToTextProperty (&window_name, 1, &windowName); |
---|
| 261 | XStringListToTextProperty (&icon_name, 1, &iconName); |
---|
| 262 | |
---|
| 263 | wm_hints -> initial_state = NormalState; |
---|
| 264 | wm_hints -> input = True; |
---|
| 265 | wm_hints -> icon_pixmap = icon_pixmap; |
---|
| 266 | wm_hints -> flags = StateHint | IconPixmapHint | InputHint; |
---|
| 267 | |
---|
| 268 | class_hints -> res_name = NewString("G4OpenGL"); |
---|
| 269 | class_hints -> res_class = NewString("G4OpenGL"); |
---|
| 270 | |
---|
| 271 | win = XCreateWindow (dpy, XRootWindow (dpy, vi -> screen), x_origin, |
---|
| 272 | y_origin, getWinWidth(), getWinHeight(), 0, vi -> depth, |
---|
| 273 | InputOutput, vi -> visual, |
---|
| 274 | CWBorderPixel | CWColormap | |
---|
| 275 | CWEventMask | CWBackingStore, |
---|
| 276 | &swa); |
---|
| 277 | |
---|
| 278 | XSetWMProperties (dpy, win, &windowName, &iconName, 0, 0, |
---|
| 279 | size_hints, wm_hints, class_hints); |
---|
| 280 | |
---|
| 281 | // request X to Draw window on screen. |
---|
| 282 | XMapWindow (dpy, win); |
---|
| 283 | |
---|
| 284 | // Wait for window to appear (wait for an "expose" event). |
---|
| 285 | XIfEvent (dpy, &event, G4OpenGLXViewerWaitForNotify, (char*) win); |
---|
| 286 | |
---|
| 287 | // connect the context to a window |
---|
| 288 | Bool success = glXMakeCurrent (dpy, win, cx); |
---|
| 289 | if (!success) { |
---|
| 290 | fViewId = -1; // This flags an error. |
---|
| 291 | G4cerr << "G4OpenGLViewer::G4OpenGLViewer failed to attach a GLX context." |
---|
| 292 | << G4endl; |
---|
| 293 | GLint error = GL_NO_ERROR; |
---|
| 294 | while ((error = glGetError()) != GL_NO_ERROR) { |
---|
| 295 | G4cout << "GL Error: " << gluErrorString(error) << G4endl; |
---|
| 296 | } |
---|
| 297 | return; |
---|
| 298 | } |
---|
| 299 | |
---|
| 300 | } |
---|
| 301 | |
---|
| 302 | void G4OpenGLXViewer::CreateFontLists () { |
---|
| 303 | |
---|
| 304 | std::map<G4double,G4String> fonts; // G4VMarker screen size and font name. |
---|
| 305 | fonts[10.] = "-adobe-courier-bold-r-normal--10-100-75-75-m-60-iso8859-1"; |
---|
| 306 | fonts[11.] = "-adobe-courier-bold-r-normal--11-80-100-100-m-60-iso8859-1"; |
---|
| 307 | fonts[12.] = "-adobe-courier-bold-r-normal--12-120-75-75-m-70-iso8859-1"; |
---|
| 308 | fonts[13.] = "fixed"; |
---|
| 309 | fonts[14.] = "-adobe-courier-bold-r-normal--14-100-100-100-m-90-iso8859-1"; |
---|
| 310 | fonts[17.] = "-adobe-courier-bold-r-normal--17-120-100-100-m-100-iso8859-1"; |
---|
| 311 | fonts[18.] = "-adobe-courier-bold-r-normal--18-180-75-75-m-110-iso8859-1"; |
---|
| 312 | fonts[20.] = "-adobe-courier-bold-r-normal--20-140-100-100-m-110-iso8859-1"; |
---|
| 313 | fonts[24.] = "-adobe-courier-bold-r-normal--24-240-75-75-m-150-iso8859-1"; |
---|
| 314 | fonts[25.] = "-adobe-courier-bold-r-normal--25-180-100-100-m-150-iso8859-1"; |
---|
| 315 | fonts[34.] = "-adobe-courier-bold-r-normal--34-240-100-100-m-200-iso8859-1"; |
---|
| 316 | std::map<G4double,G4String>::const_iterator i; |
---|
| 317 | for (i = fonts.begin(); i != fonts.end(); ++i) { |
---|
| 318 | XFontStruct* font_info = XLoadQueryFont(dpy, i->second); |
---|
| 319 | if (!font_info) { |
---|
| 320 | G4cerr << |
---|
| 321 | "G4OpenGLXViewer: XLoadQueryFont failed for font\n " |
---|
| 322 | << i->second |
---|
| 323 | << G4endl; |
---|
| 324 | continue; |
---|
| 325 | } |
---|
| 326 | G4int font_base = glGenLists(256); |
---|
| 327 | if (!font_base) { |
---|
| 328 | G4cerr << "G4OpenGLXViewer: out of display lists for fonts." |
---|
| 329 | << G4endl; |
---|
| 330 | continue; |
---|
| 331 | } |
---|
| 332 | G4int first = font_info->min_char_or_byte2; |
---|
| 333 | G4int last = font_info->max_char_or_byte2; |
---|
| 334 | glXUseXFont(font_info->fid, first, last-first+1,font_base+first); |
---|
| 335 | G4OpenGLFontBaseStore::AddFontBase(this,font_base,i->first,i->second); |
---|
| 336 | } |
---|
| 337 | } |
---|
| 338 | |
---|
| 339 | void G4OpenGLXViewer::drawText(const char * textString,int x,int y,int z, int size){ |
---|
| 340 | |
---|
| 341 | // gl2ps or GL window ? |
---|
| 342 | if (! drawGl2psText(textString,size)) { |
---|
| 343 | |
---|
| 344 | G4int font_base = G4OpenGLFontBaseStore::GetFontBase(this,size); |
---|
| 345 | if (font_base < 0) { |
---|
| 346 | static G4int callCount = 0; |
---|
| 347 | ++callCount; |
---|
| 348 | if (callCount <= 10 || callCount%100 == 0) { |
---|
| 349 | G4cout << |
---|
| 350 | "G4OpenGLSceneHandler::AddPrimitive (const G4Text&) call count " |
---|
| 351 | << callCount << |
---|
| 352 | "\n No fonts available." |
---|
| 353 | "\n Called with text \"" |
---|
| 354 | << textString |
---|
| 355 | << "\"\n at " |
---|
| 356 | << "x:"<< x |
---|
| 357 | << "y:"<< y |
---|
| 358 | << "z:"<< z |
---|
| 359 | << ", size " << size |
---|
| 360 | // << ", offsets " << text.GetXOffset () << ", " << text.GetYOffset () |
---|
| 361 | << G4endl; |
---|
| 362 | } |
---|
| 363 | return; |
---|
| 364 | } |
---|
| 365 | // No action on offset or layout at present. |
---|
| 366 | glPushAttrib(GL_LIST_BIT); |
---|
| 367 | glListBase(font_base); |
---|
| 368 | glCallLists(strlen(textString), GL_UNSIGNED_BYTE, (GLubyte *)textString); |
---|
| 369 | glPopAttrib(); |
---|
| 370 | } |
---|
| 371 | } |
---|
| 372 | |
---|
| 373 | |
---|
| 374 | G4OpenGLXViewer::G4OpenGLXViewer (G4OpenGLSceneHandler& scene): |
---|
| 375 | G4VViewer (scene, -1), |
---|
| 376 | G4OpenGLViewer (scene), |
---|
| 377 | vi_immediate (0), |
---|
| 378 | vi_stored (0), |
---|
| 379 | vi (0), |
---|
| 380 | cmap (0) |
---|
| 381 | { |
---|
| 382 | GetXConnection (); |
---|
| 383 | if (fViewId < 0) return; |
---|
| 384 | |
---|
| 385 | // Try for a visual suitable for OpenGLImmediate.. |
---|
| 386 | // first try for a single buffered RGB window |
---|
| 387 | if (!vi_single_buffer) { |
---|
| 388 | vi_single_buffer = |
---|
| 389 | glXChooseVisual (dpy, XDefaultScreen (dpy), snglBuf_RGBA); |
---|
| 390 | } |
---|
| 391 | if (!vi_double_buffer) { |
---|
| 392 | vi_double_buffer = |
---|
| 393 | glXChooseVisual (dpy, XDefaultScreen (dpy), dblBuf_RGBA); |
---|
| 394 | } |
---|
| 395 | |
---|
| 396 | if (vi_single_buffer || vi_double_buffer) { |
---|
| 397 | if (!vi_double_buffer) { |
---|
| 398 | G4cout << |
---|
| 399 | "G4OpenGLXViewer::G4OpenGLXViewer: unable to get a double buffer visual." |
---|
| 400 | "\n Working with a single buffer." |
---|
| 401 | << G4endl; |
---|
| 402 | } |
---|
| 403 | } else { |
---|
| 404 | if (!vi_single_buffer) { |
---|
| 405 | G4cout << |
---|
| 406 | "G4OpenGLXViewer::G4OpenGLXViewer: unable to get a single buffer visual." |
---|
| 407 | << G4endl; |
---|
| 408 | } |
---|
| 409 | if (!vi_double_buffer) { |
---|
| 410 | G4cout << |
---|
| 411 | "G4OpenGLXViewer::G4OpenGLXViewer: unable to get a double buffer visual." |
---|
| 412 | << G4endl; |
---|
| 413 | } |
---|
| 414 | } |
---|
| 415 | |
---|
| 416 | if (vi_single_buffer) { |
---|
| 417 | vi_immediate = vi_single_buffer; |
---|
| 418 | attributeList = snglBuf_RGBA; |
---|
| 419 | } |
---|
| 420 | |
---|
| 421 | if (!vi_immediate){ |
---|
| 422 | // next try for a double buffered RGB, but Draw to top buffer |
---|
| 423 | if (vi_double_buffer) { |
---|
| 424 | vi_immediate = vi_double_buffer; |
---|
| 425 | attributeList = dblBuf_RGBA; |
---|
| 426 | } |
---|
| 427 | } |
---|
| 428 | |
---|
| 429 | // Now try for a visual suitable for OpenGLStored... |
---|
| 430 | // Try for a double buffered RGB window |
---|
| 431 | if (vi_double_buffer) { |
---|
| 432 | vi_stored = vi_double_buffer; |
---|
| 433 | attributeList = dblBuf_RGBA; |
---|
| 434 | } |
---|
| 435 | |
---|
| 436 | if (!vi_immediate || !vi_stored) { |
---|
| 437 | G4cout << |
---|
| 438 | "G4OpenGLXViewer::G4OpenGLXViewer: unable to get required visuals." |
---|
| 439 | << G4endl; |
---|
| 440 | fViewId = -1; // This flags an error. |
---|
| 441 | } |
---|
| 442 | |
---|
| 443 | // glClearColor (0., 0., 0., 0.); |
---|
| 444 | // glClearDepth (1.); |
---|
| 445 | } |
---|
| 446 | |
---|
| 447 | G4OpenGLXViewer::~G4OpenGLXViewer () { |
---|
| 448 | if (fViewId >= 0) { |
---|
| 449 | //Close a window from here |
---|
| 450 | glXMakeCurrent (dpy, None, NULL); |
---|
| 451 | glXDestroyContext (dpy, cx); |
---|
| 452 | if (win) XDestroyWindow (dpy, win); // ...if already deleted in |
---|
| 453 | // sub-class G4OpenGLXmViewer. |
---|
| 454 | XFlush (dpy); |
---|
| 455 | } |
---|
| 456 | } |
---|
| 457 | |
---|
| 458 | |
---|
| 459 | #endif |
---|