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vcglib/apps/nexus/nexusview.cpp

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/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
/****************************************************************************
History
$Log: not supported by cvs2svn $
Revision 1.39 2005/02/17 14:02:03 ponchio
Full screen options...
Revision 1.38 2005/02/16 15:52:09 ponchio
qualche opzione in piu' , tolti i grafici
Revision 1.37 2005/02/15 15:55:36 ponchio
aggiunta delle sphere
Revision 1.36 2005/02/14 17:11:08 ponchio
aggiunta delle sphere
Revision 1.35 2005/02/14 14:49:09 ponchio
*** empty log message ***
Revision 1.34 2005/02/14 14:21:24 ponchio
Preload disabled at startap (-p)
Revision 1.33 2005/02/10 09:18:20 ponchio
Statistics.
Revision 1.32 2005/02/03 12:35:01 ponchio
Patch cache -> heap
Revision 1.31 2005/02/01 16:42:30 ponchio
Trigger
Revision 1.30 2005/01/21 17:09:13 ponchio
Porting and debug.
Revision 1.29 2005/01/17 17:35:47 ponchio
Small changes and adding realtime extr.
Revision 1.28 2005/01/14 15:25:29 ponchio
Revolution.
Revision 1.27 2004/12/15 16:37:55 ponchio
Optimizing realtime vis.
Revision 1.26 2004/12/15 13:50:32 ponchio
Optimizing realtime vis.
Revision 1.25 2004/12/15 08:46:16 ponchio
Optimizing realtime vis.
Revision 1.24 2004/12/13 00:44:48 ponchio
Lotsa changes...
Revision 1.23 2004/12/01 18:46:21 ponchio
Microchanges.
Revision 1.22 2004/11/28 04:16:19 ponchio
*** empty log message ***
Revision 1.21 2004/11/28 01:23:26 ponchio
Fixing borders... let's hope.
Revision 1.20 2004/11/18 18:30:14 ponchio
Using baricenters... lotsa changes.
Revision 1.19 2004/10/30 20:17:03 ponchio
Fixed big patches problem.
Revision 1.18 2004/10/21 13:40:16 ponchio
Debugging.
Revision 1.17 2004/10/21 12:22:21 ponchio
Small changes.
Revision 1.16 2004/10/19 01:23:02 ponchio
Daily backup (fragment...)
Revision 1.15 2004/10/15 16:45:27 ponchio
Vbo added.
Revision 1.14 2004/10/14 13:52:02 ponchio
Small changes.
Revision 1.13 2004/10/14 13:41:34 ponchio
Added statistics.
Revision 1.12 2004/10/09 14:46:47 ponchio
Windows porting small changes.
Revision 1.11 2004/10/04 16:49:54 ponchio
Daily backup. Preparing for compression.
Revision 1.10 2004/10/01 16:54:57 ponchio
Daily backup.
Revision 1.9 2004/09/30 23:56:33 ponchio
Backup (added strips and normals)
Revision 1.8 2004/09/30 00:27:42 ponchio
Lot of changes. Backup.
Revision 1.7 2004/09/28 10:26:35 ponchio
Backup
Revision 1.6 2004/09/17 15:25:09 ponchio
First working (hopefully) release.
Revision 1.5 2004/09/16 14:25:16 ponchio
Backup. (lot of changes).
Revision 1.4 2004/08/27 00:38:34 ponchio
Minor changes.
Revision 1.3 2004/07/15 14:32:49 ponchio
Debug.
Revision 1.2 2004/07/05 15:49:39 ponchio
Windows (DevCpp, mingw) port.
Revision 1.1 2004/07/04 15:30:00 ponchio
Changed directory structure.
Revision 1.2 2004/07/04 15:16:01 ponchio
*** empty log message ***
Revision 1.1 2004/07/02 17:41:57 ponchio
Created.
Revision 1.3 2004/07/02 13:03:34 ponchio
*** empty log message ***
Revision 1.2 2004/07/01 21:33:46 ponchio
Added remap reading.
Revision 1.1 2004/06/23 00:10:38 ponchio
Created
****************************************************************************/
#ifdef WIN32
#include <wrap/system/getopt.h>
#else
#include <unistd.h>
#endif
#include <deque>
#include <iostream>
#include <fstream>
using namespace std;
#include <SDL/SDL.h>
//this include MUST precede GL includes.
#include <apps/nexus/nexusmt.h>
#ifdef WIN32
#include <windows.h>
#endif
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glut.h>
#include <wrap/gui/trackball.h>
#include "watch.h"
using namespace vcg;
using namespace nxs;
bool fullscreen = false;
int width =1024;
int height = 768;
void gl_print(float x, float y, char *str);
SDL_Surface *screen = NULL;
bool init(const string &str) {
if(SDL_Init(SDL_INIT_VIDEO) != 0) {
return false;
}
const SDL_VideoInfo *info = SDL_GetVideoInfo();
int bpp = info->vfmt->BitsPerPixel;
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
int flags = SDL_OPENGL;
if(fullscreen)
flags |= SDL_FULLSCREEN;
screen = SDL_SetVideoMode(width, height, bpp, flags);
if(!screen) {
return false;
}
SDL_WM_SetIcon(SDL_LoadBMP("inspector.bmp"), NULL);
SDL_WM_SetCaption(str.c_str(), str.c_str());
glDisable(GL_DITHER);
glShadeModel(GL_SMOOTH);
glHint( GL_FOG_HINT, GL_NICEST );
glEnable(GL_DEPTH_TEST);
glDepthFunc( GL_LEQUAL );
glDisable(GL_LIGHTING);
glEnableClientState(GL_VERTEX_ARRAY);
return true;
}
int main(int argc, char *argv[]) {
int level = 0;
int apatch = -1;
float error = 4;
Trackball track;
if(argc < 2) {
cerr << "Usage: " << argv[0] << " <nexus file> [options]\n";
cerr << "-e <error> : set initial target error\n"
<< "-m <ram> : max ram used\n"
<< "-x <ram> : max extraction size\n"
<< "-r <ram> : max draw size\n"
<< "-d <ram> : max disk read per frame\n"
<< "-p : no preload\n"
<< "-w <pixels>: window width\n"
<< "-h <pixels>: window height\n"
<< "-f : fullscreen mode\n"
<< "-o namefile: ouput stats";
return -1;
}
NexusMt nexus;
if(!nexus.Load(argv[1])) {
cerr << "Could not load nexus file: " << argv[1] << endl;
return -1;
}
Sphere3f sphere = nexus.sphere;
Extraction extraction;
DrawContest contest;
Stats stats;
stats.Start();
bool rotate = false;
bool show_borders = false;
bool show_colors = true;
bool do_render = true;
bool show_normals = true;
bool show_statistics = true;
bool extract = true;
bool realtime = true;
bool preload = true;
bool output_stats = false;
char output_filename[100];
char window_name [100];
sprintf(window_name,"%s", argv[1]);
int option;
while((option = getopt(argc, argv, "e:m:x:r:d:o:w:h:p:f")) != EOF) {
switch(option) {
case 'e': extraction.target_error = atof(optarg); break;
case 'm': nexus.MaxRam() = atoi(optarg); break;
case 'x': extraction.extr_max = atoi(optarg); break;
case 'r': extraction.draw_max = atoi(optarg); break;
case 'd': extraction.disk_max = atoi(optarg); break;
case 'o': output_stats = true; sprintf(output_filename,"%s",optarg); break;
case 'w': width = atoi(optarg); break;
case 'h': height = atoi(optarg); break;
case 'p': preload = false; nexus.SetPreload(preload); break;
case 'f': fullscreen = true; break;
default:
cerr << "Unknow option.\n"; break;
}
}
if(!init(window_name)) {
cerr << "Could not init SDL window\n";
return -1;
}
// FrustumPolicy frustum_policy;
cerr << "Commands: \n"
" q : quit\n"
" t : toggle statistics\n"
" right arrow: increase memory buffer\n"
" left arrow : decrease memory buffer\n"
" page up : increase disk space\n"
" page down : increase disk space\n"
" 0 : decrease extraction size\n"
" 1 : increase extraction size\n"
" s: toggle preload\n"
" d: debug mode (show patches colored)\n"
" f: flat shading mode\n"
" m: smooth mode\n"
" p: draw points\n"
" h: draw bounding spheres\n"
" w: disable glcalls\n"
" c: show colors\n"
" n: show normals\n"
" r: rotate model\n"
" -: decrease error\n"
" +: increase error (= too)\n";
Watch watch;
if(!nexus.InitGL()) {
cerr << "Could not init glew.\n";
return -1;
}
glClearColor(0, 0, 0, 0);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_NORMALIZE);
glEnable(GL_COLOR_MATERIAL);
glEnable(GL_CULL_FACE);
int quit = 0;
SDL_Event event;
int x, y;
float alpha = 0;
float fps = 0;
unsigned int nave = 5;
unsigned int offset = 0;
deque<float> tframe;
deque<float> terror;
unsigned int tlen = 256;
bool keepdrawing = true;
watch.Start();
while( !quit ) {
unsigned int anything = SDL_PollEvent(&event);
if(!anything && !keepdrawing) {
SDL_WaitEvent(&event);
anything = true;
}
if(anything) {
switch( event.type ) {
case SDL_QUIT: quit = 1; break;
case SDL_KEYDOWN:
switch(event.key.keysym.sym) {
case SDLK_RCTRL:
case SDLK_LCTRL: track.ButtonDown(Trackball::KEY_CTRL); break;
case SDLK_q: exit(0); break;
case SDLK_k: keepdrawing = !keepdrawing; break;
case SDLK_e: extract = !extract; break;
case SDLK_c: show_colors = !show_colors; break;
case SDLK_n: show_normals = !show_normals; break;
case SDLK_w: do_render = !do_render; break;
case SDLK_LEFT: nexus.MaxRam() *= 0.8; break;
case SDLK_RIGHT: nexus.MaxRam() *= 1.3; break;
case SDLK_UP: extraction.draw_max *= 1.3; break;
case SDLK_DOWN: extraction.draw_max *= 0.8; break;
case SDLK_PAGEUP: extraction.disk_max *= 1.3; break;
case SDLK_PAGEDOWN: extraction.disk_max *= 0.8; break;
case SDLK_0: extraction.extr_max *= 1.3; break;
case SDLK_9: extraction.extr_max *= 0.8; break;
// case SDLK_s: metric = NexusMt::FRUSTUM; break;
case SDLK_p: contest.mode = DrawContest::POINTS; break;
case SDLK_d: contest.mode = DrawContest::PATCHES; break;
case SDLK_f: contest.mode = DrawContest::FLAT; break;
case SDLK_m: contest.mode = DrawContest::SMOOTH; break;
case SDLK_h: if(contest.attrs&DrawContest::SPHERES)
contest.attrs &=~DrawContest::SPHERES;
else
contest.attrs |=DrawContest::SPHERES;
break;
case SDLK_o: realtime = !realtime; break;
case SDLK_s: preload = !preload; nexus.SetPreload(preload); break;
case SDLK_t: show_statistics = !show_statistics; break;
case SDLK_r:
case SDLK_SPACE: rotate = !rotate; break;
case SDLK_MINUS:
extraction.target_error *= 0.9f;
cerr << "Error: " << extraction.target_error << endl;
break;
case SDLK_EQUALS:
case SDLK_PLUS:
extraction.target_error *= 1.1f;
cerr << "Error: " << extraction.target_error << endl;
break;
}
break;
case SDL_KEYUP:
switch(event.key.keysym.sym) {
case SDLK_RCTRL:
case SDLK_LCTRL:
track.ButtonUp(Trackball::KEY_CTRL); break;
}
break;
case SDL_MOUSEBUTTONDOWN:
x = event.button.x;
y = height - event.button.y;
#ifdef SDL_BUTTON_WHEELUP
if(event.button.button == SDL_BUTTON_WHEELUP)
track.MouseWheel(1);
else if(event.button.button == SDL_BUTTON_WHEELDOWN)
track.MouseWheel(-1);
else
#endif
if(event.button.button == SDL_BUTTON_LEFT)
track.MouseDown(x, y, Trackball::BUTTON_LEFT);
else if(event.button.button == SDL_BUTTON_RIGHT)
track.MouseDown(x, y, Trackball::BUTTON_RIGHT);
break;
case SDL_MOUSEBUTTONUP:
x = event.button.x;
y = height - event.button.y;
if(event.button.button == SDL_BUTTON_LEFT)
track.MouseUp(x, y, Trackball::BUTTON_LEFT);
else if(event.button.button == SDL_BUTTON_RIGHT)
track.MouseUp(x, y, Trackball::BUTTON_RIGHT);
break;
case SDL_MOUSEMOTION:
while(SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_MOUSEMOTIONMASK));
x = event.motion.x;
y = height - event.motion.y;
track.MouseMove(x, y);
break;
case SDL_VIDEOEXPOSE:
default: break;
}
}
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(40, width/(float)height, 0.1, 100);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(0,0,5, 0,0,0, 0,1,0);
glViewport(0,0,width,height);
glRotatef(alpha, 0, 1, 0);
if(rotate) {
alpha++;
if(alpha > 360) alpha = 0;
if(!keepdrawing) {
SDL_Event redraw;
redraw.type = SDL_VIDEOEXPOSE;
SDL_PushEvent(&redraw);
}
}
track.GetView();
track.Apply();
float scale = 2/sphere.Radius();
glScalef(scale, scale, scale);
Point3f center = sphere.Center();
glTranslatef(-center[0], -center[1], -center[2]);
Point3f &p = nexus.sphere.Center();
float r = nexus.sphere.Radius();
glColor3f(0.8f, 0.8f, 0.8f);
if(extract) {
extraction.frustum.GetView();
extraction.metric->GetView();
if(!realtime) {
extraction.Extract(&nexus);
} else {
extraction.Update(&nexus);
}
}
stats.Stop();
stats.Start();
if(do_render)
nexus.Render(extraction, contest, &stats);
/* if(show_borders) {
for(unsigned int i = 0; i < cells.size(); i++) {
Border &border = nexus.GetBorder(cells[i]);
Patch &patch = nexus.GetPatch(cells[i]);
glPointSize(4);
glColor3f(1.0f, 1.0f, 1.0f);
glBegin(GL_POINTS);
for(unsigned int b = 0; b < border.Size(); b++) {
Link &link = border[b];
Point3f &p = patch.Vert(link.start_vert);
glVertex3f(p[0], p[1], p[2]);
}
glEnd();
glPointSize(1);
}
}*/
tframe.push_front(watch.Time());
if(tframe.size() > tlen) tframe.pop_back();
terror.push_front(extraction.max_error);
if(terror.size() > tlen) terror.pop_back();
if(show_statistics) {
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluOrtho2D(0, 1, 0, 1);
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
//show frame and error graphics
if(false){
glColor4f(0.6f, 0.6f, 0.6f, 0.5f);
glBegin(GL_LINE_STRIP);
for(unsigned int i = 0; i < tframe.size() -1; i++) {
double diff = (tframe[i] - tframe[i+1]);
//glVertex2f(i/1024.0f,0);
glVertex2f(i/1024.0f,2*diff);
}
glEnd();
glColor4f(0.0f, 0.6f, 0.2f, 0.5f);
glBegin(GL_LINE_STRIP);
for(unsigned int i = 0; i < terror.size() -1; i++) {
// glVertex2f(i/1024.0f,0);
glVertex2f(i/1024.0f,terror[i]/300);
}
glEnd();
}
glColor3f(1.0f, 1.0f, 1.0f);
char buffer[1024];
sprintf(buffer, "Ram size : %.2f / %.2f Mb",
nexus.ram_used * nexus.chunk_size/(float)(1<<20),
nexus.ram_max * nexus.chunk_size/(float)(1<<20));
gl_print(0.03, 0.15, buffer);
sprintf(buffer, "Extr size: %.2f / %.2f Mb",
extraction.extr_used * nexus.chunk_size/(float)(1<<20),
extraction.extr_max * nexus.chunk_size/(float)(1<<20));
gl_print(0.03, 0.12, buffer);
sprintf(buffer, "Draw size: %.2f / %.2f Mb",
extraction.draw_used * nexus.chunk_size/(float)(1<<20),
extraction.draw_max * nexus.chunk_size/(float)(1<<20));
gl_print(0.03, 0.09, buffer);
sprintf(buffer, "Disk size: %.2f / %.2f Mb",
extraction.disk_max * nexus.chunk_size/(float)(1<<20),
extraction.disk_used * nexus.chunk_size/(float)(1<<20));
gl_print(0.03, 0.06, buffer);
sprintf(buffer, "%.2f KTri %.2f FPS %.0f M/s",
stats.tri/(float)(1<<10),
stats.fps, stats.fps * stats.tri/(float)(1<<20));
gl_print(0.03, 0.03, buffer);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
/* statistics: output on file
if(output_stats){
static Stats statsAcc;
static float ram_used;
static float extr_used;
static float draw_used;
static float disk_used;
static std::ofstream outf(output_filename);
static bool first=true;
if(first) {
outf<< "ktri\t fps\t ram \t extr \t draw \t disk \n"
<< " \t \t"
<< nexus.ram_max * nexus.chunk_size/(float)(1<<20) << "\t"
<< extraction.extr_max * nexus.chunk_size/(float)(1<<20) << "\t"
<< extraction.draw_max * nexus.chunk_size/(float)(1<<20)<<"\t"
<< extraction.disk_max * nexus.chunk_size/(float)(1<<20)<< "\n";
first = false;
}
statsAcc.count++ ;
if((statsAcc.count%30)==0) {
outf
<< (statsAcc.tri/(float)statsAcc.count)/(float)(1<<10) << "\t"
<< (statsAcc.fps/(float)statsAcc.count) << "\t"
// << (statsAcc.kdisk/(float)statsAcc.count) << "\t"
<< ram_used/(float)statsAcc.count*nexus.chunk_size/(float)(1<<20) << "\t"
<< extr_used/(float)statsAcc.count*nexus.chunk_size/(float)(1<<20) << "\t"
<< draw_used/(float)statsAcc.count*nexus.chunk_size/(float)(1<<20) << "\t"
<< disk_used/(float)statsAcc.count*nexus.chunk_size/(float)(1<<20) << "\t"
<< "\n";
statsAcc.Init();
statsAcc.count = 0;
statsAcc.fps = 0;
ram_used = extr_used = draw_used = disk_used = 0.0;
} else {
statsAcc.fps += stats.fps;
statsAcc.kdisk += stats.kdisk;
statsAcc.ktri += stats.ktri;
ram_used += nexus.ram_used;
extr_used += extraction.extr_used;
draw_used += extraction.draw_used;
disk_used += extraction.disk_used;
}
}*/
}
SDL_GL_SwapBuffers();
}
SDL_Quit();
return -1;
}
void gl_print(float x, float y, char *str) {
glRasterPos2f(x, y);
int len = (int)strlen(str);
for(int i = 0; i < len; i++)
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, str[i]);
}
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