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-rw-r--r--progs/ggi/asc-view.c377
1 files changed, 0 insertions, 377 deletions
diff --git a/progs/ggi/asc-view.c b/progs/ggi/asc-view.c
deleted file mode 100644
index d37fba9d9f..0000000000
--- a/progs/ggi/asc-view.c
+++ /dev/null
@@ -1,377 +0,0 @@
-/*
- test program for the ggi-mesa driver
-
- Copyright (C) 1997,1998 Uwe Maurer - uwe_maurer@t-online.de
-
- 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 for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#include <sys/time.h>
-#include <stdio.h>
-#include <string.h>
-#include <math.h>
-#include <GL/gl.h>
-#include <GL/ggimesa.h>
-#include <ggi/ggi.h>
-#include <stdlib.h>
-
-ggi_visual_t vis,vis_mem;
-
-GGIMesaContext ctx;
-
-int screen_x=GGI_AUTO,screen_y=GGI_AUTO;
-ggi_graphtype bpp=GT_AUTO;
-
-//#define ZBUFFER
-
-//#define SMOOTH_NORMALS
-
-void Init()
-{
- GLfloat h=(GLfloat)3/4;
- GLfloat pos[4]={5,5,-20,0};
- GLfloat specular[4]={.4,.4,.4,1};
- GLfloat diffuse[4]={.3,.3,.3,1};
- GLfloat ambient[4]={.2,.2,.2,1};
-
- int err;
-
- if (ggiInit()<0)
- {
- printf("ggiInit() failed\n");
- exit(1);
- }
- ctx=GGIMesaCreateContext();
- if (ctx==NULL)
- {
- printf("Can't create Context!\n");
- exit(1);
- }
-
- vis=ggiOpen(NULL);
- vis_mem=ggiOpen("display-memory",NULL);
- if (vis==NULL || vis_mem==NULL)
- {
- printf("Can't open ggi_visuals!\n");
- exit(1);
- }
- err=ggiSetGraphMode(vis,screen_x,screen_y,screen_x,screen_y,bpp);
- err+=ggiSetGraphMode(vis_mem,screen_x,screen_y,screen_x,screen_y,bpp);
- if (err)
- {
- printf("Can't set %ix%i\n",screen_x,screen_y);
- exit(1);
- }
-
- if (GGIMesaSetVisual(ctx,vis_mem,GL_TRUE,GL_FALSE)<0)
- {
- printf("GGIMesaSetVisual() failed!\n");
- exit(1);
- }
-
- GGIMesaMakeCurrent(ctx);
-
- glViewport(0,0,screen_x,screen_y);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glFrustum(-1,1,-h,h,1,50);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glTranslatef(0,0,-9);
- glShadeModel(GL_FLAT);
-
- glFrontFace(GL_CW);
- glEnable(GL_CULL_FACE);
- glEnable(GL_LIGHTING);
- glEnable(GL_LIGHT0);
-
- glLightfv(GL_LIGHT0,GL_POSITION,pos);
-
- glLightfv(GL_LIGHT0,GL_DIFFUSE,diffuse);
- glLightfv(GL_LIGHT0,GL_AMBIENT,ambient);
- glLightfv(GL_LIGHT0,GL_SPECULAR,specular);
-
- #ifdef ZBUFFER
- glEnable(GL_DEPTH_TEST);
- #endif
-}
-
-
-#define MAX_VERTS 1000
-#define MAX_TRIS 2000
-#define MAX_LEN 1024
-#define MAX_F 100000000
-
-void LoadAsc(GLuint *list,char *file)
-{
- FILE *fp;
-
- GLfloat p[MAX_VERTS][3];
- GLfloat normal[MAX_VERTS][3];
- float ncount[MAX_VERTS];
- int v[MAX_TRIS][3];
- char line[MAX_LEN];
- char *s;
- int i,j;
- int verts,faces;
- GLuint v0,v1,v2;
- GLfloat n[3];
- GLfloat len,k;
- GLfloat min[3]={MAX_F,MAX_F,MAX_F};
- GLfloat max[3]={-MAX_F,-MAX_F,-MAX_F};
- char *coord_str[]={"X","Z","Y"};
-
- fp=fopen(file,"r");
- if (!fp)
- {
- printf("Can't open %s!\n",file);
- exit(1);
- }
-
- while (strncmp(fgets(line,MAX_LEN,fp),"Tri-mesh",8)) ;
-
- s=strstr(line,":")+1;
- verts=atoi(s);
- s=strstr(s,":")+1;
- faces=atoi(s);
-
- if (verts>MAX_VERTS)
- {
- printf("Too many vertices..\n");
- exit(1);
- }
-
- while (strncmp(fgets(line,MAX_LEN,fp),"Vertex list",11)) ;
-
- for (i=0;i<verts;i++)
- {
- while (strncmp(fgets(line,MAX_LEN,fp),"Vertex",6)) ;
- for (j=0;j<3;j++)
- {
- s=strstr(line,coord_str[j])+2;
- k=atoi(s);
- if (k>max[j]) max[j]=k;
- if (k<min[j]) min[j]=k;
- p[i][j]=k;
- }
-
- }
- len=0;
- for (i=0;i<3;i++)
- {
- k=max[i]-min[i];
- if (k>len) {len=k;j=i;}
- n[i]=(max[i]+min[i])/2;
- }
-
- len/=2;
-
- for (i=0;i<verts;i++)
- {
- for (j=0;j<3;j++)
- {
- p[i][j]-=n[j];
- p[i][j]/=len;
- }
- }
-
- *list=glGenLists(1);
- glNewList(*list,GL_COMPILE);
- glBegin(GL_TRIANGLES);
-
- memset(ncount,0,sizeof(ncount));
- memset(normal,0,sizeof(normal));
-
- while (strncmp(fgets(line,MAX_LEN,fp),"Face list",9)) ;
- for (i=0;i<faces;i++)
- {
- while (strncmp(fgets(line,MAX_LEN,fp),"Face",4)) ;
- s=strstr(line,"A")+2;
- v0=v[i][0]=atoi(s);
- s=strstr(line,"B")+2;
- v1=v[i][1]=atoi(s);
- s=strstr(line,"C")+2;
- v2=v[i][2]=atoi(s);
- n[0]=((p[v1][1]-p[v0][1])*(p[v2][2]-p[v0][2])
- - (p[v1][2]-p[v0][2])*(p[v2][1]-p[v0][1]));
- n[1]=((p[v1][2]-p[v0][2])*(p[v2][0]-p[v0][0])
- - (p[v1][0]-p[v0][0])*(p[v2][2]-p[v0][2]));
- n[2]=((p[v1][0]-p[v0][0])*(p[v2][1]-p[v0][1])
- - (p[v1][1]-p[v0][1])*(p[v2][0]-p[v0][0]));
- len=n[0]*n[0]+n[1]*n[1]+n[2]*n[2];
- len=sqrt(len);
- n[0]/=len;
- n[1]/=len;
- n[2]/=len;
- #ifdef SMOOTH_NORMALS
- for (j=0;j<3;j++){
- normal[v[i][j]][0]+=n[0];
- normal[v[i][j]][1]+=n[1];
- normal[v[i][j]][2]+=n[2];
- ncount[v[i][j]]++;
- }
- #else
- glNormal3fv(n);
- for (j=0;j<3;j++)
- glVertex3fv(p[v[i][j]]);
- #endif
- }
-
- #ifdef SMOOTH_NORMALS
- for (i=0;i<verts;i++) {
- for (j=0;j<3;j++) {
- normal[i][j]/=ncount[i];
- }
- }
- for (i=0;i<faces;i++) {
- for (j=0;j<3;j++) {
- glNormal3f(normal[v[i][j]][0],
- normal[v[i][j]][1],
- normal[v[i][j]][2]);
- glVertex3fv(p[v[i][j]]);
- }
- }
- #endif
-
- glEnd();
- glEndList();
- fclose(fp);
-}
-
-double Display(GLuint l,int *maxframes)
-{
- int x,y;
- GLfloat col[]={.25,0,.25,1};
- int frames=0;
- struct timeval start,stop;
- double len;
- GLfloat rotate=0;
-
- gettimeofday(&start,NULL);
-
-
- while(1)
- {
- glClearColor(0,0,0,0);
- glClearIndex(0);
-
- #ifdef ZBUFFER
- glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
- #else
- glClear(GL_COLOR_BUFFER_BIT);
- #endif
-
- glPushMatrix();
-
- glRotatef(30,1,0,0);
- glRotatef(rotate/10,0,0,1);
- glTranslatef(-6,-4,0);
- for (y=0;y<3;y++)
- {
- glPushMatrix();
- for (x=0;x<5;x++)
- {
- glPushMatrix();
- glRotatef(rotate,y+1,-x-1,0);
-
- col[0]=(GLfloat)(x+1)/4;
- col[1]=0;
- col[2]=(GLfloat)(y+1)/2;
- glMaterialfv(GL_FRONT,GL_AMBIENT,col);
- glCallList(l);
- glPopMatrix();
- glTranslatef(3,0,0);
- }
- glPopMatrix();
- glTranslatef(0,4,0);
- }
- glPopMatrix();
- glFinish();
-
- ggiPutBox(vis,0,0,screen_x,screen_y,ggiDBGetBuffer(vis,0)->read);
- rotate+=10;
- frames++;
- if (frames==(*maxframes)) break;
-
- if (ggiKbhit(vis))
- {
- *maxframes=frames;
- break;
- }
- }
-
- gettimeofday(&stop,NULL);
- len=(double)(stop.tv_sec-start.tv_sec)+
- (double)(stop.tv_usec-start.tv_usec)/1e6;
- return len;
-}
-
-void visible(int vis)
-{
- if (vis == GLUT_VISIBLE)
- glutIdleFunc(idle);
- else
- glutIdleFunc(NULL);
-}
-
-int main(int argc, char *argv[])
-{
- glutInit(&argc, argv);
- glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
-
- glutInitWindowPosition(0, 0);
- glutInitWindowSize(300, 300);
- glutCreateWindow("asc-view");
- init();
-
- glutDisplayFunc(draw);
- glutReshapeFunc(reshape);
- glutKeyboardFunc(key);
- glutSpecialFunc(special);
- glutVisibilityFunc(visible);
-
- glutMainLoop();
-#if 0
- GLuint l;
- char *file;
- int maxframes=0;
- double len;
-
- Init();
-
- file=(argc>1) ? argv[1] : "asc/box.asc";
- if (argc>2) maxframes=atoi(argv[2]);
-
- if (argc==1)
- {
- printf("usage: %s filename.asc\n",argv[0]);
- }
-
- LoadAsc(&l,file);
-
- len=Display(l,&maxframes);
-
- printf("\ttime: %.3f sec\n",len);
- printf("\tframes: %i\n",maxframes);
- printf("\tfps: %.3f \n",(double)maxframes/len);
-
- GGIMesaDestroyContext(ctx);
- ggiClose(vis);
- ggiClose(vis_mem);
- ggiExit();
-#endif
- return 0;
-}
-
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