[1350] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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| 27 | // $Id: G4OpenGLStoredXmViewer.cc,v 1.26 2010/04/30 13:18:32 lgarnier Exp $ |
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| 28 | // GEANT4 tag $Name: $ |
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| 29 | // |
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| 30 | // |
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| 31 | // Andrew Walkden 10th February 1997 |
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| 32 | // Class G4OpenGLStoredXmViewer : a class derived from G4OpenGLXmViewer |
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| 33 | // and G4OpenGLStoredViewer. |
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| 34 | |
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| 35 | #ifdef G4VIS_BUILD_OPENGLXM_DRIVER |
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| 36 | |
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| 37 | #include "G4OpenGLStoredXmViewer.hh" |
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| 38 | |
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| 39 | #include "G4ios.hh" |
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| 40 | |
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| 41 | G4OpenGLStoredXmViewer:: |
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| 42 | G4OpenGLStoredXmViewer (G4OpenGLStoredSceneHandler& sceneHandler, |
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| 43 | const G4String& name) |
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| 44 | : G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name), |
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| 45 | G4OpenGLViewer (sceneHandler), |
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| 46 | G4OpenGLXmViewer (sceneHandler), |
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| 47 | G4OpenGLStoredViewer (sceneHandler) |
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| 48 | { |
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| 49 | |
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| 50 | if (fViewId < 0) return; // In case error in base class instantiation. |
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| 51 | |
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| 52 | if (!vi_stored) { |
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| 53 | fViewId = -1; // This flags an error. |
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| 54 | G4cerr << "G4OpenGLStoredXmViewer::G4OpenGLStoredXmViewer -" |
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| 55 | " G4OpenGLXmViewer couldn't get a visual." << G4endl; |
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| 56 | return; |
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| 57 | } |
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| 58 | } |
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| 59 | |
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| 60 | G4OpenGLStoredXmViewer::~G4OpenGLStoredXmViewer () { |
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| 61 | GetSceneHandler()->RemoveViewerFromList(this); |
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| 62 | } |
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| 63 | |
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| 64 | void G4OpenGLStoredXmViewer::Initialise () { |
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| 65 | |
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| 66 | CreateGLXContext (vi_stored); |
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| 67 | CreateMainWindow (); |
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| 68 | CreateFontLists (); |
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| 69 | |
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| 70 | InitializeGLView (); |
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| 71 | |
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| 72 | // clear the buffers and window. |
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| 73 | ClearView (); |
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| 74 | FinishView (); |
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| 75 | |
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| 76 | glDepthFunc (GL_LEQUAL); |
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| 77 | glDepthMask (GL_TRUE); |
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| 78 | |
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| 79 | glEnable (GL_BLEND); |
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| 80 | glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
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| 81 | |
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| 82 | glDrawBuffer (GL_BACK); |
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| 83 | } |
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| 84 | |
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| 85 | void G4OpenGLStoredXmViewer::DrawView () { |
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| 86 | #ifdef G4DEBUG_VIS_OGL |
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| 87 | printf("G4OpenGLStoredXmViewer::DrawView \n"); |
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| 88 | #endif |
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| 89 | |
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| 90 | //Make sure current viewer is attached and clean... |
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| 91 | glXMakeCurrent (dpy, win, cx); |
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| 92 | |
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| 93 | G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle(); |
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| 94 | |
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| 95 | //See if things have changed from last time and remake if necessary... |
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| 96 | // /vis/viewer/rebuild, but if not, make decision and set flag only |
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| 97 | // if necessary... |
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| 98 | if (!fNeedKernelVisit) KernelVisitDecision (); |
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| 99 | G4bool kernelVisitWasNeeded = fNeedKernelVisit; // Keep (ProcessView resets). |
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| 100 | ProcessView (); |
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| 101 | |
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| 102 | if(style!=G4ViewParameters::hlr && |
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| 103 | haloing_enabled) { |
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| 104 | |
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| 105 | HaloingFirstPass (); |
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| 106 | DrawDisplayLists (); |
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| 107 | #ifdef G4DEBUG_VIS_OGL |
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| 108 | printf("G4OpenGLStoredXmViewer::DrawView () flush\n"); |
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| 109 | #endif |
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| 110 | glFlush (); |
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| 111 | |
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| 112 | HaloingSecondPass (); |
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| 113 | |
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| 114 | DrawDisplayLists (); |
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| 115 | FinishView (); |
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| 116 | |
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| 117 | } else { |
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| 118 | |
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| 119 | #ifdef G4DEBUG_VIS_OGL |
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| 120 | printf("G4OpenGLStoredXmViewer::DrawView not hlr \n"); |
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| 121 | #endif |
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| 122 | // If kernel visit was needed, drawing and FinishView will already |
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| 123 | // have been done, so... |
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| 124 | if (!kernelVisitWasNeeded) { |
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| 125 | #ifdef G4DEBUG_VIS_OGL |
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| 126 | printf("G4OpenGLStoredXmViewer::ComputeView Don't need kernel Visit \n"); |
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| 127 | #endif |
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| 128 | DrawDisplayLists (); |
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| 129 | FinishView (); |
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| 130 | } else { |
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| 131 | #ifdef G4DEBUG_VIS_OGL |
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| 132 | printf("G4OpenGLStoredXmViewer::ComputeView Need kernel Visit \n"); |
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| 133 | #endif |
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| 134 | // However, union cutaways are implemented in DrawDisplayLists, so make |
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| 135 | // an extra pass... |
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| 136 | if (fVP.IsCutaway() && |
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| 137 | fVP.GetCutawayMode() == G4ViewParameters::cutawayUnion) { |
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| 138 | ClearView(); |
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| 139 | DrawDisplayLists (); |
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| 140 | FinishView (); |
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| 141 | } else { // ADD TO AVOID KernelVisit=1 and nothing to display |
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| 142 | DrawDisplayLists (); |
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| 143 | FinishView (); |
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| 144 | } |
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| 145 | } |
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| 146 | } |
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| 147 | #ifdef G4DEBUG_VIS_OGL |
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| 148 | printf("G4OpenGLStoredXmViewer::DrawView ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n"); |
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| 149 | #endif |
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| 150 | } |
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| 151 | |
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| 152 | void G4OpenGLStoredXmViewer::FinishView () { |
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| 153 | glXWaitGL (); //Wait for effects of all previous OpenGL commands to |
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| 154 | //be propogated before progressing. |
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| 155 | |
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| 156 | #ifdef G4DEBUG_VIS_OGL |
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| 157 | printf("G4OpenGLStoredXmViewer::FinishView () flush \n"); |
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| 158 | #endif |
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| 159 | glFlush (); //FIXME |
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| 160 | |
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| 161 | GLint renderMode; |
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| 162 | glGetIntegerv(GL_RENDER_MODE, &renderMode); |
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| 163 | if (renderMode == GL_RENDER) glXSwapBuffers (dpy, win); |
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| 164 | } |
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| 165 | |
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| 166 | #endif |
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