[529] | 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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[924] | 27 | // $Id: G4OpenGLXViewer.cc,v 1.49 2009/02/16 15:31:05 lgarnier Exp $ |
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[906] | 28 | // GEANT4 tag $Name: $ |
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[529] | 29 | // |
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| 30 | // |
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| 31 | // Andrew Walkden 7th February 1997 |
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| 32 | // G4OpenGLXViewer : Class to provide XWindows specific |
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| 33 | // functionality for OpenGL in GEANT4 |
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| 34 | |
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| 35 | #ifdef G4VIS_BUILD_OPENGLX_DRIVER |
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| 36 | |
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| 37 | #include "G4OpenGLXViewer.hh" |
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[914] | 38 | #include "G4VViewer.hh" |
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| 39 | #include "G4OpenGLSceneHandler.hh" |
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| 40 | #include <GL/glu.h> |
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[529] | 41 | |
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| 42 | #include "G4OpenGLFontBaseStore.hh" |
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| 43 | |
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| 44 | #include <sstream> |
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| 45 | |
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| 46 | #include "G4VisExtent.hh" |
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| 47 | #include "G4LogicalVolume.hh" |
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| 48 | #include "G4VSolid.hh" |
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| 49 | #include "G4Point3D.hh" |
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| 50 | #include "G4Normal3D.hh" |
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| 51 | |
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| 52 | #include <X11/Xatom.h> |
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| 53 | #include <X11/Xutil.h> |
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[915] | 54 | #include <X11/Xmu/StdCmap.h> |
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[529] | 55 | |
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| 56 | #include <assert.h> |
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| 57 | |
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| 58 | int G4OpenGLXViewer::snglBuf_RGBA[12] = |
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| 59 | { GLX_RGBA, |
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| 60 | GLX_RED_SIZE, 1, |
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| 61 | GLX_GREEN_SIZE, 1, |
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| 62 | GLX_BLUE_SIZE, 1, |
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| 63 | GLX_DEPTH_SIZE, 1, |
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| 64 | GLX_STENCIL_SIZE, 1, |
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| 65 | None }; |
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| 66 | |
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| 67 | int G4OpenGLXViewer::dblBuf_RGBA[13] = |
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| 68 | { GLX_RGBA, |
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| 69 | GLX_RED_SIZE, 1, |
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| 70 | GLX_GREEN_SIZE, 1, |
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| 71 | GLX_BLUE_SIZE, 1, |
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| 72 | GLX_DOUBLEBUFFER, |
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| 73 | GLX_DEPTH_SIZE, 1, |
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| 74 | GLX_STENCIL_SIZE, 1, |
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| 75 | None }; |
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| 76 | |
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| 77 | #define NewString(str) \ |
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| 78 | ((str) != NULL ? (strcpy((char*)malloc((unsigned)strlen(str) + 1), str)) : (char*)NULL) |
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| 79 | |
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| 80 | #define USE_DEFAULT_COLORMAP 1 |
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| 81 | #define USE_STANDARD_COLORMAP 0 |
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| 82 | |
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| 83 | XVisualInfo* G4OpenGLXViewer::vi_single_buffer = 0; |
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| 84 | XVisualInfo* G4OpenGLXViewer::vi_double_buffer = 0; |
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| 85 | |
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| 86 | extern "C" { |
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[593] | 87 | static Bool G4OpenGLXViewerWaitForNotify (Display*, XEvent* e, char* arg) { |
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[529] | 88 | return (e->type == MapNotify) && (e->xmap.window == (Window) arg); |
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| 89 | } |
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| 90 | } |
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| 91 | |
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| 92 | void G4OpenGLXViewer::SetView () { |
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| 93 | glXMakeCurrent (dpy, win, cx); |
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| 94 | G4OpenGLViewer::SetView (); |
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| 95 | } |
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| 96 | |
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| 97 | void G4OpenGLXViewer::ShowView () { |
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| 98 | glXWaitGL (); //Wait for effects of all previous OpenGL commands to |
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| 99 | //be propagated before progressing. |
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| 100 | glFlush (); |
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[593] | 101 | |
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| 102 | if (fVP.IsPicking()) { |
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| 103 | G4cout << |
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| 104 | "Window activated for picking (left-mouse), exit (middle-mouse)." |
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| 105 | << G4endl; |
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| 106 | while (true) { |
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| 107 | if (XPending(dpy)) { |
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| 108 | XNextEvent(dpy, &event); |
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| 109 | if (event.type == ButtonPress && event.xbutton.button == 1) { |
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| 110 | Pick(event.xbutton.x, event.xbutton.y); |
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| 111 | } |
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| 112 | else if (event.type == ButtonPress && event.xbutton.button == 2) break; |
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| 113 | } |
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| 114 | } |
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| 115 | } |
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[529] | 116 | } |
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| 117 | |
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| 118 | void G4OpenGLXViewer::GetXConnection () { |
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| 119 | // get a connection. |
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| 120 | dpy = XOpenDisplay (0); |
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| 121 | if (!dpy) { |
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| 122 | fViewId = -1; // This flags an error. |
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| 123 | G4cerr << "G4OpenGLViewer::G4OpenGLViewer couldn't open display." << G4endl; |
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| 124 | return; |
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| 125 | } |
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| 126 | |
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| 127 | // make sure OpenGL is supported and installed properly. |
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| 128 | if (!glXQueryExtension (dpy, &errorBase, &eventBase)) { |
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| 129 | fViewId = -1; // This flags an error. |
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| 130 | G4cerr << "G4OpenGLViewer::G4OpenGLViewer X Server has no GLX extension." |
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| 131 | << G4endl; |
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| 132 | return; |
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| 133 | } |
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| 134 | |
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| 135 | } |
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| 136 | |
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| 137 | void G4OpenGLXViewer::CreateGLXContext (XVisualInfo* v) { |
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| 138 | |
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| 139 | vi = v; |
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| 140 | // get window's attributes |
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| 141 | if (!XGetWindowAttributes(dpy, XRootWindow (dpy, vi -> screen), &xwa)) { |
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| 142 | fViewId = -1; // This flags an error. |
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| 143 | G4cerr << "G4OpenGLViewer::G4OpenGLViewer couldn't return window attributes" |
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| 144 | << G4endl; |
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| 145 | return; |
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| 146 | } |
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| 147 | |
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| 148 | // create a GLX context |
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| 149 | cx = glXCreateContext (dpy, vi, 0, true); |
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| 150 | if (!cx) { |
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| 151 | fViewId = -1; // This flags an error. |
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| 152 | G4cerr << "G4OpenGLViewer::G4OpenGLViewer couldn't create context." |
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| 153 | << G4endl; |
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| 154 | return; |
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| 155 | } |
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| 156 | |
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| 157 | // New stab at getting a colormap |
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| 158 | |
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| 159 | Status status; |
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| 160 | XStandardColormap *standardCmaps = XAllocStandardColormap (); |
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| 161 | int i, numCmaps; |
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| 162 | |
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| 163 | status = XmuLookupStandardColormap (dpy, |
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| 164 | vi -> screen, |
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| 165 | vi -> visualid, |
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| 166 | vi -> depth, |
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| 167 | XA_RGB_DEFAULT_MAP, |
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| 168 | False, |
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| 169 | True); |
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| 170 | |
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| 171 | if (status == 1) { |
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[593] | 172 | cmap = 0; |
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[529] | 173 | status = XGetRGBColormaps (dpy, |
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| 174 | XRootWindow (dpy, vi -> screen), |
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| 175 | &standardCmaps, |
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| 176 | &numCmaps, |
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| 177 | XA_RGB_DEFAULT_MAP); |
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| 178 | if (status == 1) |
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[593] | 179 | for (i = 0; i < numCmaps; i++) { |
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[529] | 180 | if (standardCmaps[i].visualid == vi -> visualid) { |
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| 181 | cmap = standardCmaps[i].colormap; |
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| 182 | XFree (standardCmaps); |
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[593] | 183 | break; |
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[529] | 184 | } |
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[593] | 185 | } |
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| 186 | if (!cmap) { |
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| 187 | fViewId = -1; // This flags an error. |
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| 188 | G4cerr << |
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| 189 | "G4OpenGLViewer::G4OpenGLViewer failed to allocate a standard colormap." |
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| 190 | << G4endl; |
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| 191 | return; |
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| 192 | } |
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[529] | 193 | G4cout << "Got standard cmap" << G4endl; |
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| 194 | } else { |
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| 195 | cmap = XCreateColormap (dpy, |
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| 196 | XRootWindow(dpy, vi -> screen), |
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| 197 | vi -> visual, |
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| 198 | AllocNone); |
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| 199 | G4cout << "Created own cmap" << G4endl; |
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| 200 | } |
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| 201 | |
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| 202 | if (!cmap) { |
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| 203 | fViewId = -1; // This flags an error. |
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| 204 | G4cerr << "G4OpenGLViewer::G4OpenGLViewer failed to allocate a Colormap." |
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| 205 | << G4endl; |
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| 206 | return; |
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| 207 | } |
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| 208 | |
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| 209 | } |
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| 210 | |
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| 211 | void G4OpenGLXViewer::CreateMainWindow () { |
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| 212 | |
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| 213 | // create a window |
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| 214 | swa.colormap = cmap; |
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| 215 | swa.border_pixel = 0; |
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| 216 | swa.event_mask = ExposureMask | ButtonPressMask | StructureNotifyMask; |
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| 217 | swa.backing_store = WhenMapped; |
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| 218 | |
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| 219 | // Window size and position... |
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| 220 | size_hints = XAllocSizeHints(); |
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[898] | 221 | |
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[897] | 222 | fWinSize_x = fVP.GetWindowSizeHintX(); |
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| 223 | fWinSize_y = fVP.GetWindowSizeHintY(); |
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[898] | 224 | G4int x_origin = fVP.GetWindowAbsoluteLocationHintX(DisplayWidth(dpy, vi -> screen)); |
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[912] | 225 | |
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| 226 | // FIXME, screen size != window size on MAC, but I don't know have to get the menuBar |
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| 227 | // size on MAC. L.Garnier 01/2009 |
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[898] | 228 | G4int y_origin = fVP.GetWindowAbsoluteLocationHintY(DisplayHeight(dpy, vi -> screen)); |
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| 229 | |
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[897] | 230 | size_hints->base_width = fWinSize_x; |
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| 231 | size_hints->base_height = fWinSize_y; |
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[896] | 232 | size_hints->x = x_origin; |
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| 233 | size_hints->y = y_origin; |
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[912] | 234 | if (fVP.IsWindowSizeHintX () && fVP.IsWindowLocationHintX () && fVP.IsWindowLocationHintY ()) { |
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| 235 | size_hints->flags |= PSize | PPosition; |
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| 236 | } else if (fVP.IsWindowSizeHintX () && !(fVP.IsWindowLocationHintX () || fVP.IsWindowLocationHintY ())) { |
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| 237 | size_hints->flags |= PSize; |
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| 238 | } else if ((!fVP.IsWindowSizeHintX ()) && fVP.IsWindowLocationHintX () && fVP.IsWindowLocationHintY ()) { |
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| 239 | size_hints->flags |= PPosition; |
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| 240 | } |
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[529] | 241 | G4cout << "Window name: " << fName << G4endl; |
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| 242 | strncpy (charViewName, fName, 100); |
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| 243 | char *window_name = charViewName; |
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| 244 | char *icon_name = charViewName; |
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| 245 | //char tmpatom[] = "XA_WM_NORMAL_HINTS"; |
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| 246 | wm_hints = XAllocWMHints(); |
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| 247 | class_hints = XAllocClassHint(); |
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| 248 | |
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| 249 | XStringListToTextProperty (&window_name, 1, &windowName); |
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| 250 | XStringListToTextProperty (&icon_name, 1, &iconName); |
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| 251 | |
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| 252 | wm_hints -> initial_state = NormalState; |
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| 253 | wm_hints -> input = True; |
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| 254 | wm_hints -> icon_pixmap = icon_pixmap; |
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| 255 | wm_hints -> flags = StateHint | IconPixmapHint | InputHint; |
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| 256 | |
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| 257 | class_hints -> res_name = NewString("G4OpenGL"); |
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| 258 | class_hints -> res_class = NewString("G4OpenGL"); |
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| 259 | |
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[896] | 260 | win = XCreateWindow (dpy, XRootWindow (dpy, vi -> screen), x_origin, |
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[897] | 261 | y_origin, fWinSize_x, fWinSize_y, 0, vi -> depth, |
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[896] | 262 | InputOutput, vi -> visual, |
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| 263 | CWBorderPixel | CWColormap | |
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| 264 | CWEventMask | CWBackingStore, |
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| 265 | &swa); |
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[529] | 266 | |
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[896] | 267 | XSetWMProperties (dpy, win, &windowName, &iconName, 0, 0, |
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| 268 | size_hints, wm_hints, class_hints); |
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[529] | 269 | |
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| 270 | // request X to Draw window on screen. |
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| 271 | XMapWindow (dpy, win); |
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| 272 | |
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| 273 | // Wait for window to appear (wait for an "expose" event). |
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| 274 | XIfEvent (dpy, &event, G4OpenGLXViewerWaitForNotify, (char*) win); |
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| 275 | |
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| 276 | // connect the context to a window |
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[593] | 277 | Bool success = glXMakeCurrent (dpy, win, cx); |
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| 278 | if (!success) { |
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| 279 | fViewId = -1; // This flags an error. |
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| 280 | G4cerr << "G4OpenGLViewer::G4OpenGLViewer failed to attach a GLX context." |
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| 281 | << G4endl; |
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| 282 | GLint error = GL_NO_ERROR; |
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| 283 | while ((error = glGetError()) != GL_NO_ERROR) { |
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| 284 | G4cout << "GL Error: " << gluErrorString(error) << G4endl; |
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| 285 | } |
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| 286 | return; |
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| 287 | } |
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[529] | 288 | |
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| 289 | } |
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| 290 | |
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| 291 | void G4OpenGLXViewer::CreateFontLists () { |
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| 292 | |
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| 293 | std::map<G4double,G4String> fonts; // G4VMarker screen size and font name. |
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| 294 | fonts[10.] = "-adobe-courier-bold-r-normal--10-100-75-75-m-60-iso8859-1"; |
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| 295 | fonts[11.] = "-adobe-courier-bold-r-normal--11-80-100-100-m-60-iso8859-1"; |
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| 296 | fonts[12.] = "-adobe-courier-bold-r-normal--12-120-75-75-m-70-iso8859-1"; |
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| 297 | fonts[13.] = "fixed"; |
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| 298 | fonts[14.] = "-adobe-courier-bold-r-normal--14-100-100-100-m-90-iso8859-1"; |
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| 299 | fonts[17.] = "-adobe-courier-bold-r-normal--17-120-100-100-m-100-iso8859-1"; |
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| 300 | fonts[18.] = "-adobe-courier-bold-r-normal--18-180-75-75-m-110-iso8859-1"; |
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| 301 | fonts[20.] = "-adobe-courier-bold-r-normal--20-140-100-100-m-110-iso8859-1"; |
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| 302 | fonts[24.] = "-adobe-courier-bold-r-normal--24-240-75-75-m-150-iso8859-1"; |
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| 303 | fonts[25.] = "-adobe-courier-bold-r-normal--25-180-100-100-m-150-iso8859-1"; |
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| 304 | fonts[34.] = "-adobe-courier-bold-r-normal--34-240-100-100-m-200-iso8859-1"; |
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| 305 | std::map<G4double,G4String>::const_iterator i; |
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| 306 | for (i = fonts.begin(); i != fonts.end(); ++i) { |
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| 307 | XFontStruct* font_info = XLoadQueryFont(dpy, i->second); |
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| 308 | if (!font_info) { |
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| 309 | G4cerr << |
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| 310 | "G4OpenGLXViewer: XLoadQueryFont failed for font\n " |
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| 311 | << i->second |
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| 312 | << G4endl; |
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| 313 | continue; |
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| 314 | } |
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| 315 | G4int font_base = glGenLists(256); |
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| 316 | if (!font_base) { |
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| 317 | G4cerr << "G4OpenGLXViewer: out of display lists for fonts." |
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| 318 | << G4endl; |
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| 319 | continue; |
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| 320 | } |
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| 321 | G4int first = font_info->min_char_or_byte2; |
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| 322 | G4int last = font_info->max_char_or_byte2; |
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| 323 | glXUseXFont(font_info->fid, first, last-first+1,font_base+first); |
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| 324 | G4OpenGLFontBaseStore::AddFontBase(this,font_base,i->first,i->second); |
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| 325 | } |
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| 326 | } |
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| 327 | |
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| 328 | G4OpenGLXViewer::G4OpenGLXViewer (G4OpenGLSceneHandler& scene): |
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| 329 | G4VViewer (scene, -1), |
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| 330 | G4OpenGLViewer (scene), |
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| 331 | vi_immediate (0), |
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[593] | 332 | vi_stored (0), |
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| 333 | vi (0), |
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| 334 | cmap (0) |
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[529] | 335 | { |
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| 336 | GetXConnection (); |
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| 337 | if (fViewId < 0) return; |
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| 338 | |
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| 339 | // Try for a visual suitable for OpenGLImmediate.. |
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| 340 | // first try for a single buffered RGB window |
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| 341 | if (!vi_single_buffer) { |
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| 342 | vi_single_buffer = |
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| 343 | glXChooseVisual (dpy, XDefaultScreen (dpy), snglBuf_RGBA); |
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| 344 | } |
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| 345 | if (!vi_double_buffer) { |
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| 346 | vi_double_buffer = |
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| 347 | glXChooseVisual (dpy, XDefaultScreen (dpy), dblBuf_RGBA); |
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| 348 | } |
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| 349 | |
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| 350 | if (vi_single_buffer || vi_double_buffer) { |
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| 351 | if (!vi_double_buffer) { |
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| 352 | G4cout << |
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| 353 | "G4OpenGLXViewer::G4OpenGLXViewer: unable to get a double buffer visual." |
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| 354 | "\n Working with a single buffer." |
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| 355 | << G4endl; |
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| 356 | } |
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| 357 | } else { |
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| 358 | if (!vi_single_buffer) { |
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| 359 | G4cout << |
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| 360 | "G4OpenGLXViewer::G4OpenGLXViewer: unable to get a single buffer visual." |
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| 361 | << G4endl; |
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| 362 | } |
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| 363 | if (!vi_double_buffer) { |
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| 364 | G4cout << |
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| 365 | "G4OpenGLXViewer::G4OpenGLXViewer: unable to get a double buffer visual." |
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| 366 | << G4endl; |
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| 367 | } |
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| 368 | } |
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| 369 | |
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| 370 | if (vi_single_buffer) { |
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| 371 | vi_immediate = vi_single_buffer; |
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| 372 | attributeList = snglBuf_RGBA; |
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| 373 | } |
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| 374 | |
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| 375 | if (!vi_immediate){ |
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| 376 | // next try for a double buffered RGB, but Draw to top buffer |
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| 377 | if (vi_double_buffer) { |
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| 378 | vi_immediate = vi_double_buffer; |
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| 379 | attributeList = dblBuf_RGBA; |
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| 380 | } |
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| 381 | } |
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| 382 | |
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| 383 | // Now try for a visual suitable for OpenGLStored... |
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| 384 | // Try for a double buffered RGB window |
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| 385 | if (vi_double_buffer) { |
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| 386 | vi_stored = vi_double_buffer; |
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| 387 | attributeList = dblBuf_RGBA; |
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| 388 | } |
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| 389 | |
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| 390 | if (!vi_immediate || !vi_stored) { |
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| 391 | G4cout << |
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| 392 | "G4OpenGLXViewer::G4OpenGLXViewer: unable to get required visuals." |
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| 393 | << G4endl; |
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| 394 | fViewId = -1; // This flags an error. |
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| 395 | } |
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| 396 | |
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| 397 | // glClearColor (0., 0., 0., 0.); |
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| 398 | // glClearDepth (1.); |
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| 399 | } |
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| 400 | |
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| 401 | G4OpenGLXViewer::~G4OpenGLXViewer () { |
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| 402 | if (fViewId >= 0) { |
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| 403 | //Close a window from here |
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| 404 | glXMakeCurrent (dpy, None, NULL); |
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| 405 | glXDestroyContext (dpy, cx); |
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| 406 | if (win) XDestroyWindow (dpy, win); // ...if already deleted in |
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| 407 | // sub-class G4OpenGLXmViewer. |
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| 408 | XFlush (dpy); |
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| 409 | } |
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| 410 | } |
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| 411 | |
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| 412 | void G4OpenGLXViewer::print() { |
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| 413 | |
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| 414 | //using namespace std; |
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[916] | 415 | //cout << "print_col_callback requested with file name: " << fPrintFilename << G4endl; |
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[529] | 416 | |
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[916] | 417 | if (fVectoredPs) { |
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[529] | 418 | |
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[917] | 419 | G4OpenGLViewer::printVectoredEPS(); |
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[593] | 420 | |
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[529] | 421 | } else { |
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| 422 | |
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| 423 | XVisualInfo* pvi; |
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| 424 | GLXContext pcx = create_GL_print_context(pvi); |
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[593] | 425 | |
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| 426 | if (!pcx) { |
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| 427 | G4cout << "Unable to create print context." << G4endl; |
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| 428 | return; |
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| 429 | } |
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| 430 | |
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[529] | 431 | GLXContext tmp_cx; |
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| 432 | tmp_cx = cx; |
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| 433 | cx=pcx; |
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| 434 | |
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| 435 | Pixmap pmap = XCreatePixmap (dpy, |
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| 436 | XRootWindow (dpy, pvi->screen), |
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[897] | 437 | fWinSize_x, fWinSize_y, |
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[529] | 438 | pvi->depth); |
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| 439 | |
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| 440 | GLXPixmap glxpmap = glXCreateGLXPixmap (dpy, |
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| 441 | pvi, |
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| 442 | pmap); |
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| 443 | |
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| 444 | GLXDrawable tmp_win; |
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| 445 | tmp_win=win; |
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| 446 | win=glxpmap; |
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| 447 | |
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| 448 | glXMakeCurrent (dpy, |
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[593] | 449 | win, |
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[529] | 450 | cx); |
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[911] | 451 | |
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[529] | 452 | ClearView (); |
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[593] | 453 | SetView (); |
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[529] | 454 | DrawView (); |
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| 455 | |
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[916] | 456 | generateEPS (fPrintFilename.c_str(), |
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| 457 | fPrintColour, |
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[897] | 458 | fWinSize_x, fWinSize_y); |
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[529] | 459 | |
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| 460 | win=tmp_win; |
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| 461 | cx=tmp_cx; |
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| 462 | |
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| 463 | glXMakeCurrent (dpy, |
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[593] | 464 | win, |
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[529] | 465 | cx); |
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| 466 | |
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| 467 | } |
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| 468 | |
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| 469 | } |
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| 470 | |
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| 471 | |
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[593] | 472 | GLXContext G4OpenGLXViewer::create_GL_print_context(XVisualInfo*& pvi) { |
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[529] | 473 | |
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[593] | 474 | pvi = glXChooseVisual (dpy, |
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| 475 | XDefaultScreen (dpy), |
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| 476 | snglBuf_RGBA); |
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[529] | 477 | |
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[593] | 478 | if (!pvi) { |
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| 479 | pvi = glXChooseVisual (dpy, |
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| 480 | XDefaultScreen (dpy), |
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| 481 | dblBuf_RGBA); |
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[529] | 482 | } |
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| 483 | |
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[593] | 484 | return glXCreateContext (dpy, |
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| 485 | pvi, |
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| 486 | NULL, |
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| 487 | False); |
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[529] | 488 | } |
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| 489 | |
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| 490 | #endif |
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