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: G4OpenGLImmediateXmViewer.cc,v 1.21 2009/04/08 16:55:44 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 G4OpenGLImmediateXmViewer : a class derived from G4OpenGLXmViewer |
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33 | // and G4OpenGLImmediateViewer. |
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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 "G4OpenGLImmediateXmViewer.hh" |
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38 | #include "G4OpenGLImmediateSceneHandler.hh" |
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39 | |
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40 | #include "G4ios.hh" |
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41 | |
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42 | G4OpenGLImmediateXmViewer:: |
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43 | G4OpenGLImmediateXmViewer(G4OpenGLImmediateSceneHandler& sceneHandler, |
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44 | const G4String& name) |
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45 | : G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name), |
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46 | G4OpenGLViewer (sceneHandler), |
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47 | G4OpenGLXmViewer (sceneHandler), |
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48 | G4OpenGLImmediateViewer (sceneHandler) |
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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 | // ensure a suitable window was found |
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53 | if (!vi_immediate) { |
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54 | G4cerr << "G4OpenGLImmediateXmViewer::G4OpenGLImmediateXmViewer -" |
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55 | " G4OpenGLXmViewer couldn't get a visual." << G4endl; |
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56 | fViewId = -1; // This flags an error. |
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57 | return; |
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58 | } |
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59 | } |
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60 | |
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61 | G4OpenGLImmediateXmViewer::~G4OpenGLImmediateXmViewer () {} |
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62 | |
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63 | void G4OpenGLImmediateXmViewer::Initialise () { |
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64 | |
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65 | CreateGLXContext (vi_immediate); |
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66 | CreateMainWindow (); |
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67 | CreateFontLists (); |
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68 | |
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69 | InitializeGLView (); |
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70 | |
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71 | // clear the buffers and window. |
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72 | ClearView (); |
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73 | FinishView (); |
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74 | |
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75 | glDepthFunc (GL_LEQUAL); |
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76 | glDepthMask (GL_TRUE); |
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77 | |
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78 | glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); |
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79 | glLineWidth (1.0); |
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80 | |
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81 | glEnable (GL_BLEND); |
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82 | glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
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83 | |
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84 | // If a double buffer context has been forced upon us, ignore the |
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85 | // back buffer for this OpenGLImmediate view. |
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86 | glDrawBuffer (GL_FRONT); |
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87 | } |
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88 | |
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89 | void G4OpenGLImmediateXmViewer::DrawView () { |
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90 | |
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91 | G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle(); |
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92 | |
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93 | #ifdef G4DEBUG_VIS_OGL |
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94 | printf("G4OpenGLImmediateXmViewer::DrawView : \n"); |
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95 | #endif |
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96 | |
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97 | //Make sure current viewer is attached and clean... |
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98 | glXMakeCurrent (dpy, win, cx); |
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99 | |
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100 | if(style!=G4ViewParameters::hlr && |
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101 | haloing_enabled) { |
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102 | |
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103 | HaloingFirstPass (); |
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104 | NeedKernelVisit (); |
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105 | #ifdef G4DEBUG_VIS_OGL |
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106 | printf("G4OpenGLImmediateXmViewer::DrawView : change param\n"); |
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107 | #endif |
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108 | ProcessView (); |
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109 | glFlush (); |
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110 | |
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111 | HaloingSecondPass (); |
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112 | |
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113 | } |
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114 | |
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115 | #ifdef G4DEBUG_VIS_OGL |
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116 | printf("G4OpenGLImmediateXmViewer::DrawView : need Kernel/Process/Finish\n"); |
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117 | #endif |
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118 | NeedKernelVisit (); // Always need to visit G4 kernel. |
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119 | ProcessView (); |
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120 | FinishView (); |
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121 | |
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122 | } |
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123 | |
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124 | void G4OpenGLImmediateXmViewer::FinishView () { |
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125 | #ifdef G4DEBUG_VIS_OGL |
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126 | printf("G4OpenGLImmediateXmViewer::FinishView : \n"); |
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127 | #endif |
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128 | glXWaitGL (); //Wait for effects of all previous OpenGL commands to |
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129 | //be propogated before progressing. |
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130 | glFlush (); |
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131 | } |
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132 | |
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133 | #endif |
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