16 |
|
#include <GL/glu.h> |
17 |
|
#include <glut.h> |
18 |
|
#endif |
19 |
< |
#include "object.h" |
19 |
> |
#include "sm_flag.h" |
20 |
|
#include "sm_list.h" |
21 |
|
#include "sm_geom.h" |
22 |
+ |
#include "sm_qtree.h" |
23 |
+ |
#include "sm_stree.h" |
24 |
|
#include "sm.h" |
23 |
– |
#include "lookup.h" |
25 |
|
|
26 |
|
#ifdef TEST_DRIVER |
27 |
|
#include "sm_draw.h" |
30 |
|
*/ |
31 |
|
char smClean_notify = TRUE; |
32 |
|
#else |
33 |
< |
static char smClean_notify = TRUE; |
33 |
> |
static int smClean_notify = TRUE; |
34 |
|
#endif |
35 |
|
|
35 |
– |
extern unsigned long qthash(); |
36 |
– |
extern int qtcmp(); |
37 |
– |
extern int free(); |
38 |
– |
|
39 |
– |
static LUTAB qtr_tab = {qthash,qtcmp,NULL,(void (*)())free,0,NULL,0}; |
40 |
– |
|
36 |
|
typedef struct { |
42 |
– |
BYTE rgb[3]; /* average color */ |
37 |
|
float dist; /* average distance */ |
38 |
+ |
BYTE rgb[3]; /* average color */ |
39 |
|
} QTRAVG; /* average quadtree value */ |
40 |
|
|
41 |
+ |
typedef struct { |
42 |
+ |
QUADTREE qt; /* quadtree node (key & hash value) */ |
43 |
+ |
QTRAVG av; /* node average */ |
44 |
+ |
} QT_LUENT; /* lookup table entry */ |
45 |
|
|
46 |
< |
unsigned long |
47 |
< |
qthash(qtc) /* hash a quadtree node value */ |
49 |
< |
char *qtc; |
50 |
< |
{ |
51 |
< |
register unsigned long qt = qtc; |
46 |
> |
static QT_LUENT *qt_htbl = NULL; /* quadtree cache */ |
47 |
> |
static int qt_hsiz = 0; /* quadtree cache size */ |
48 |
|
|
53 |
– |
return(qt>>10 ^ qt<<5); |
54 |
– |
} |
49 |
|
|
50 |
< |
int |
51 |
< |
qtcmp(qt1, qt2) |
52 |
< |
char *qt1, *qt2; |
50 |
> |
/* |
51 |
> |
* smClean() : display has been wiped clean |
52 |
> |
* |
53 |
> |
* Called after display has been effectively cleared, meaning that all |
54 |
> |
* geometry must be resent down the pipeline in the next call to smUpdate(). |
55 |
> |
*/ |
56 |
> |
smClean() |
57 |
|
{ |
58 |
< |
return(qt1 - qt2); |
58 |
> |
smClean_notify = TRUE; |
59 |
|
} |
60 |
|
|
63 |
– |
|
61 |
|
int |
62 |
< |
mark_active_tris(qtptr,arg) |
63 |
< |
QUADTREE *qtptr; |
67 |
< |
char *arg; |
62 |
> |
qtCache_init(nel) /* initialize for at least nel elements */ |
63 |
> |
int nel; |
64 |
|
{ |
65 |
< |
QUADTREE qt = *qtptr; |
66 |
< |
OBJECT os[QT_MAX_SET+1],*optr; |
67 |
< |
register int i,t_id; |
65 |
> |
static int hsiztab[] = { |
66 |
> |
8191, 16381, 32749, 65521, 131071, 262139, 524287, 1048573, 0 |
67 |
> |
}; |
68 |
> |
register int i; |
69 |
|
|
70 |
< |
if (!QT_IS_LEAF(qt)) |
71 |
< |
return(TRUE); |
72 |
< |
/* For each triangle in the set, set the which flag*/ |
73 |
< |
qtgetset(os,qt); |
74 |
< |
|
75 |
< |
for (i = QT_SET_CNT(os), optr = QT_SET_PTR(os); i > 0; i--) |
76 |
< |
{ |
77 |
< |
t_id = QT_SET_NEXT_ELEM(optr); |
78 |
< |
/* Set the render flag */ |
79 |
< |
if(SM_IS_NTH_T_BASE(smMesh,t_id)) |
80 |
< |
continue; |
81 |
< |
SM_SET_NTH_T_ACTIVE(smMesh,t_id); |
82 |
< |
/* FOR NOW:Also set the LRU clock bit: MAY WANT TO CHANGE: */ |
83 |
< |
SM_SET_NTH_T_LRU(smMesh,t_id); |
84 |
< |
} |
85 |
< |
return(TRUE); |
70 |
> |
if (nel <= 0) { /* call to free table */ |
71 |
> |
if (qt_hsiz) { |
72 |
> |
free((char *)qt_htbl); |
73 |
> |
qt_htbl = NULL; |
74 |
> |
qt_hsiz = 0; |
75 |
> |
} |
76 |
> |
return(0); |
77 |
> |
} |
78 |
> |
nel += nel>>1; /* 66% occupancy */ |
79 |
> |
for (i = 0; hsiztab[i]; i++) |
80 |
> |
if (hsiztab[i] > nel) |
81 |
> |
break; |
82 |
> |
if (!(qt_hsiz = hsiztab[i])) |
83 |
> |
qt_hsiz = nel*2 + 1; /* not always prime */ |
84 |
> |
qt_htbl = (QT_LUENT *)calloc(qt_hsiz, sizeof(QT_LUENT)); |
85 |
> |
if (qt_htbl == NULL) |
86 |
> |
qt_hsiz = 0; |
87 |
> |
for (i = qt_hsiz; i--; ) |
88 |
> |
qt_htbl[i].qt = EMPTY; |
89 |
> |
return(qt_hsiz); |
90 |
|
} |
91 |
|
|
92 |
< |
mark_tris_in_frustum(view) |
93 |
< |
VIEW *view; |
92 |
> |
QT_LUENT * |
93 |
> |
qtCache_find(qt) /* find a quadtree table entry */ |
94 |
> |
QUADTREE qt; |
95 |
|
{ |
96 |
< |
FVECT nr[4],far[4]; |
96 |
> |
int i, n; |
97 |
> |
register int ndx; |
98 |
> |
register QT_LUENT *le; |
99 |
|
|
100 |
< |
/* Mark triangles in approx. view frustum as being active:set |
101 |
< |
LRU counter: for use in discarding samples when out |
102 |
< |
of space |
103 |
< |
Radiance often has no far clipping plane: but driver will set |
104 |
< |
dev_zmin,dev_zmax to satisfy OGL |
105 |
< |
*/ |
106 |
< |
|
107 |
< |
/* First clear all the quadtree node and triangle active flags */ |
108 |
< |
qtClearAllFlags(); |
109 |
< |
smClear_flags(smMesh,T_ACTIVE_FLAG); |
110 |
< |
|
111 |
< |
/* calculate the world space coordinates of the view frustum */ |
112 |
< |
calculate_view_frustum(view->vp,view->hvec,view->vvec,view->horiz, |
113 |
< |
view->vert, dev_zmin,dev_zmax,nr,far); |
114 |
< |
|
115 |
< |
/* Project the view frustum onto the spherical quadtree */ |
116 |
< |
/* For every cell intersected by the projection of the faces |
117 |
< |
of the frustum: mark all triangles in the cell as ACTIVE- |
118 |
< |
Also set the triangles LRU clock counter |
119 |
< |
*/ |
120 |
< |
/* Near face triangles */ |
121 |
< |
smLocator_apply_func(smMesh,nr[0],nr[2],nr[3],mark_active_tris,NULL); |
122 |
< |
smLocator_apply_func(smMesh,nr[2],nr[0],nr[1],mark_active_tris,NULL); |
123 |
< |
/* Right face triangles */ |
124 |
< |
smLocator_apply_func(smMesh,nr[0],far[3],far[0],mark_active_tris,NULL); |
121 |
< |
smLocator_apply_func(smMesh,far[3],nr[0],nr[3],mark_active_tris,NULL); |
122 |
< |
/* Left face triangles */ |
123 |
< |
smLocator_apply_func(smMesh,nr[1],far[2],nr[2],mark_active_tris,NULL); |
124 |
< |
smLocator_apply_func(smMesh,far[2],nr[1],far[1],mark_active_tris,NULL); |
125 |
< |
/* Top face triangles */ |
126 |
< |
smLocator_apply_func(smMesh,nr[0],far[0],nr[1],mark_active_tris,NULL); |
127 |
< |
smLocator_apply_func(smMesh,nr[1],far[0],far[1],mark_active_tris,NULL); |
128 |
< |
/* Bottom face triangles */ |
129 |
< |
smLocator_apply_func(smMesh,nr[3],nr[2],far[3],mark_active_tris,NULL); |
130 |
< |
smLocator_apply_func(smMesh,nr[2],far[2],far[3],mark_active_tris,NULL); |
131 |
< |
/* Far face triangles */ |
132 |
< |
smLocator_apply_func(smMesh,far[0],far[2],far[1],mark_active_tris,NULL); |
133 |
< |
smLocator_apply_func(smMesh,far[2],far[0],far[3],mark_active_tris,NULL); |
134 |
< |
|
135 |
< |
#ifdef TEST_DRIVER |
136 |
< |
VCOPY(FrustumFar[0],far[0]); |
137 |
< |
VCOPY(FrustumFar[1],far[1]); |
138 |
< |
VCOPY(FrustumFar[2],far[2]); |
139 |
< |
VCOPY(FrustumFar[3],far[3]); |
140 |
< |
VCOPY(FrustumNear[0],nr[0]); |
141 |
< |
VCOPY(FrustumNear[1],nr[1]); |
142 |
< |
VCOPY(FrustumNear[2],nr[2]); |
143 |
< |
VCOPY(FrustumNear[3],nr[3]); |
144 |
< |
#endif |
100 |
> |
if (qt_hsiz == 0 && !qtCache_init(1)) |
101 |
> |
return(NULL); |
102 |
> |
tryagain: /* hash table lookup */ |
103 |
> |
ndx = (unsigned long)qt % qt_hsiz; |
104 |
> |
for (i = 0, n = 1; i < qt_hsiz; i++, n += 2) { |
105 |
> |
le = &qt_htbl[ndx]; |
106 |
> |
if (QT_IS_EMPTY(le->qt) || le->qt == qt) |
107 |
> |
return(le); |
108 |
> |
if ((ndx += n) >= qt_hsiz) /* this happens rarely */ |
109 |
> |
ndx = ndx % qt_hsiz; |
110 |
> |
} |
111 |
> |
/* table is full, reallocate */ |
112 |
> |
le = qt_htbl; |
113 |
> |
ndx = qt_hsiz; |
114 |
> |
if (!qtCache_init(ndx+1)) { /* no more memory! */ |
115 |
> |
qt_htbl = le; |
116 |
> |
qt_hsiz = ndx; |
117 |
> |
return(NULL); |
118 |
> |
} |
119 |
> |
/* copy old table to new and free */ |
120 |
> |
while (ndx--) |
121 |
> |
if (!QT_IS_EMPTY(le[ndx].qt)) |
122 |
> |
copystruct(qtCache_find(le[ndx].qt), &le[ndx]); |
123 |
> |
free((char *)le); |
124 |
> |
goto tryagain; /* should happen only once! */ |
125 |
|
} |
126 |
|
|
147 |
– |
/* |
148 |
– |
* smClean() : display has been wiped clean |
149 |
– |
* |
150 |
– |
* Called after display has been effectively cleared, meaning that all |
151 |
– |
* geometry must be resent down the pipeline in the next call to smUpdate(). |
152 |
– |
*/ |
153 |
– |
smClean() |
154 |
– |
{ |
155 |
– |
smClean_notify = TRUE; |
156 |
– |
} |
157 |
– |
|
158 |
– |
|
127 |
|
stCount_level_leaves(lcnt, qt) /* count quadtree leaf nodes at each level */ |
128 |
|
int lcnt[]; |
129 |
|
register QUADTREE qt; |
139 |
|
stCount_level_leaves(lcnt+1, QT_NTH_CHILD(qt,3)); |
140 |
|
} |
141 |
|
else |
142 |
< |
lcnt[0]++; |
142 |
> |
if(QT_LEAF_IS_FLAG(qt)) |
143 |
> |
lcnt[0]++; |
144 |
|
} |
145 |
|
|
146 |
|
|
152 |
|
int lvl; |
153 |
|
{ |
154 |
|
FVECT a,b,c; |
155 |
< |
LUENT *le; |
155 |
> |
register QT_LUENT *le; |
156 |
|
QTRAVG *rc[4]; |
157 |
< |
register QTRAVG *ra; |
157 |
> |
TRI *tri; |
158 |
|
|
159 |
|
if (QT_IS_EMPTY(qt)) /* empty leaf node */ |
160 |
|
return(NULL); |
161 |
|
if (QT_IS_TREE(qt) && !QT_IS_FLAG(qt)) /* not in our frustum */ |
162 |
|
return(NULL); |
163 |
+ |
if(QT_IS_LEAF(qt) && !QT_LEAF_IS_FLAG(qt)) /* not in our frustum */ |
164 |
+ |
return(NULL); |
165 |
|
/* else look up node */ |
166 |
< |
if ((le = lu_find(&qtr_tab,(char *)qt)) == NULL) |
167 |
< |
goto nomemory; |
168 |
< |
ra = (QTRAVG *)le->data; |
198 |
< |
if (QT_IS_TREE(qt) && (ra == NULL || lvl > 0)) |
166 |
> |
if ((le = qtCache_find(qt)) == NULL) |
167 |
> |
error(SYSTEM, "out of memory in qtRender_level"); |
168 |
> |
if (QT_IS_TREE(qt) && (QT_IS_EMPTY(le->qt) || lvl > 0)) |
169 |
|
{ /* compute children */ |
170 |
|
qtSubdivide_tri(v0,v1,v2,a,b,c); |
171 |
< |
rc[0] = qtRender_level(QT_NTH_CHILD(qt,0),v0,a,c,sm,lvl-1); |
172 |
< |
rc[1] = qtRender_level(QT_NTH_CHILD(qt,1),a,v1,b,sm,lvl-1); |
173 |
< |
rc[2] = qtRender_level(QT_NTH_CHILD(qt,2),c,b,v2,sm,lvl-1); |
174 |
< |
rc[3] = qtRender_level(QT_NTH_CHILD(qt,3),b,c,a,sm,lvl-1); |
171 |
> |
rc[0] = qtRender_level(QT_NTH_CHILD(qt,0),v0,c,b,sm,lvl-1); |
172 |
> |
rc[1] = qtRender_level(QT_NTH_CHILD(qt,1),c,v1,a,sm,lvl-1); |
173 |
> |
rc[2] = qtRender_level(QT_NTH_CHILD(qt,2),b,a,v2,sm,lvl-1); |
174 |
> |
rc[3] = qtRender_level(QT_NTH_CHILD(qt,3),a,b,c,sm,lvl-1); |
175 |
|
} |
176 |
< |
if (ra == NULL) |
176 |
> |
if (QT_IS_EMPTY(le->qt)) |
177 |
|
{ /* let's make some data! */ |
178 |
|
int rgbs[3]; |
179 |
|
double distsum; |
180 |
< |
int i; |
211 |
< |
register int n; |
180 |
> |
register int i, n; |
181 |
|
/* average our triangle vertices */ |
182 |
|
rgbs[0] = rgbs[1] = rgbs[2] = 0; |
183 |
|
distsum = 0.; n = 0; |
184 |
|
if(QT_IS_TREE(qt)) |
185 |
|
{ /* from subtree */ |
186 |
|
for (i = 4; i--; ) |
187 |
< |
if ((ra = rc[i]) != NULL) |
187 |
> |
if (rc[i] != NULL) |
188 |
|
{ |
189 |
< |
rgbs[0] += ra->rgb[0]; rgbs[1] += ra->rgb[1]; rgbs[2] += ra->rgb[2]; |
190 |
< |
distsum += ra->dist; n++; |
189 |
> |
rgbs[0] += rc[i]->rgb[0]; rgbs[1] += rc[i]->rgb[1]; |
190 |
> |
rgbs[2] += rc[i]->rgb[2]; distsum += rc[i]->dist; n++; |
191 |
|
} |
192 |
|
} |
193 |
|
else |
194 |
|
{ /* from triangle set */ |
195 |
< |
OBJECT os[QT_MAX_SET+1]; |
195 |
> |
OBJECT *os; |
196 |
|
int s0, s1, s2; |
197 |
< |
|
198 |
< |
qtgetset(os,qt); |
199 |
< |
for (n = os[0]; n; n--) |
197 |
> |
|
198 |
> |
os = qtqueryset(qt); |
199 |
> |
for (i = os[0]; i; i--) |
200 |
|
{ |
201 |
< |
qtTri_from_id(os[n],a,b,c,NULL,NULL,NULL,&s0,&s1,&s2); |
201 |
> |
if(SM_IS_NTH_T_BASE(sm,os[i])) |
202 |
> |
continue; |
203 |
> |
tri = SM_NTH_TRI(sm,os[i]); |
204 |
> |
if(!T_IS_VALID(tri)) |
205 |
> |
continue; |
206 |
> |
n++; |
207 |
> |
s0 = T_NTH_V(tri,0); |
208 |
> |
s1 = T_NTH_V(tri,1); |
209 |
> |
s2 = T_NTH_V(tri,2); |
210 |
> |
VCOPY(a,SM_NTH_WV(sm,s0)); |
211 |
> |
VCOPY(b,SM_NTH_WV(sm,s1)); |
212 |
> |
VCOPY(c,SM_NTH_WV(sm,s2)); |
213 |
|
distsum += SM_BG_SAMPLE(sm,s0) ? dev_zmax |
214 |
|
: sqrt(dist2(a,SM_VIEW_CENTER(sm))); |
215 |
|
distsum += SM_BG_SAMPLE(sm,s1) ? dev_zmax |
223 |
|
rgbs[2] += SM_NTH_RGB(sm,s0)[2] + SM_NTH_RGB(sm,s1)[2] |
224 |
|
+ SM_NTH_RGB(sm,s2)[2]; |
225 |
|
} |
226 |
< |
n = 3*os[0]; |
226 |
> |
n *= 3; |
227 |
|
} |
228 |
|
if (!n) |
229 |
|
return(NULL); |
230 |
< |
if ((ra = (QTRAVG *)malloc(sizeof(QTRAVG))) == NULL) |
231 |
< |
goto nomemory; |
232 |
< |
ra->rgb[0] = rgbs[0]/n; ra->rgb[1] = rgbs[1]/n; ra->rgb[2] = rgbs[2]/n; |
253 |
< |
ra->dist = distsum/(double)n; |
254 |
< |
le->key = (char *)qt; |
255 |
< |
le->data = (char *)ra; |
230 |
> |
le->qt = qt; |
231 |
> |
le->av.rgb[0] = rgbs[0]/n; le->av.rgb[1] = rgbs[1]/n; |
232 |
> |
le->av.rgb[2] = rgbs[2]/n; le->av.dist = distsum/(double)n; |
233 |
|
} |
234 |
|
if (lvl == 0 || (lvl > 0 && QT_IS_LEAF(qt))) |
235 |
|
{ /* render this node */ |
236 |
|
/* compute pseudo vertices */ |
237 |
|
VCOPY(a,v0); VCOPY(b,v1); VCOPY(c,v2); |
238 |
|
normalize(a); normalize(b); normalize(c); |
239 |
< |
VSUM(a,SM_VIEW_CENTER(sm),a,ra->dist); |
240 |
< |
VSUM(b,SM_VIEW_CENTER(sm),b,ra->dist); |
241 |
< |
VSUM(c,SM_VIEW_CENTER(sm),c,ra->dist); |
239 |
> |
VSUM(a,SM_VIEW_CENTER(sm),a,le->av.dist); |
240 |
> |
VSUM(b,SM_VIEW_CENTER(sm),b,le->av.dist); |
241 |
> |
VSUM(c,SM_VIEW_CENTER(sm),c,le->av.dist); |
242 |
|
/* draw triangle */ |
243 |
< |
glColor3ub(ra->rgb[0],ra->rgb[1],ra->rgb[2]); |
267 |
< |
/* NOTE: Triangle vertex order may change */ |
268 |
< |
glVertex3d(c[0],c[1],c[2]); |
269 |
< |
glVertex3d(b[0],b[1],b[2]); |
243 |
> |
glColor3ub(le->av.rgb[0],le->av.rgb[1],le->av.rgb[2]); |
244 |
|
glVertex3d(a[0],a[1],a[2]); |
245 |
+ |
glVertex3d(b[0],b[1],b[2]); |
246 |
+ |
glVertex3d(c[0],c[1],c[2]); |
247 |
+ |
|
248 |
|
} |
249 |
< |
return(ra); |
273 |
< |
nomemory: |
274 |
< |
error(SYSTEM, "out of memory in qtRender_level"); |
249 |
> |
return(&le->av); |
250 |
|
} |
251 |
|
|
252 |
|
|
254 |
|
SM *sm; |
255 |
|
int lvl; |
256 |
|
{ |
257 |
< |
QUADTREE root; |
257 |
> |
QUADTREE qt; |
258 |
|
int i; |
259 |
|
FVECT t0,t1,t2; |
260 |
+ |
STREE *st; |
261 |
|
|
262 |
< |
if (lvl < 1) |
262 |
> |
|
263 |
> |
if (lvl < 0) |
264 |
|
return; |
265 |
+ |
st = SM_LOCATOR(sm); |
266 |
|
glPushAttrib(GL_LIGHTING_BIT); |
267 |
|
glShadeModel(GL_FLAT); |
268 |
|
glBegin(GL_TRIANGLES); |
269 |
< |
for(i=0; i < 4; i++) |
269 |
> |
for(i=0; i < ST_NUM_ROOT_NODES; i++) |
270 |
|
{ |
271 |
< |
root = ST_NTH_ROOT(SM_LOCATOR(sm),i); |
272 |
< |
stNth_base_verts(SM_LOCATOR(sm),i,t0,t1,t2); |
273 |
< |
qtRender_level(root,t0,t1,t2,sm,lvl-1); |
271 |
> |
qt = ST_ROOT_QT(st,i); |
272 |
> |
qtRender_level(qt,ST_NTH_V(st,i,0),ST_NTH_V(st,i,1),ST_NTH_V(st,i,2), |
273 |
> |
sm,lvl); |
274 |
|
} |
275 |
|
glEnd(); |
276 |
|
glPopAttrib(); |
283 |
|
{ |
284 |
|
int i, ntarget; |
285 |
|
int lvlcnt[QT_MAX_LEVELS]; |
286 |
+ |
STREE *st; |
287 |
|
|
288 |
|
if (qual <= 0) |
289 |
|
return; |
296 |
|
return; |
297 |
|
for (i = QT_MAX_LEVELS; i--; ) |
298 |
|
lvlcnt[i] = 0; |
299 |
< |
stCount_level_leaves(lvlcnt, SM_LOCATOR(sm)->root); |
299 |
> |
|
300 |
> |
st = SM_LOCATOR(sm); |
301 |
> |
for(i=0; i < ST_NUM_ROOT_NODES;i++) |
302 |
> |
stCount_level_leaves(lvlcnt, ST_ROOT_QT(st,i)); |
303 |
> |
|
304 |
|
for (ntarget -= lvlcnt[i=0]; i < QT_MAX_LEVELS-1; ntarget -= lvlcnt[++i]) |
305 |
|
if (ntarget < lvlcnt[i+1]) |
306 |
|
break; |
320 |
|
int j; |
321 |
|
|
322 |
|
tri = SM_NTH_TRI(sm,i); |
323 |
< |
if (clr) SM_CLEAR_NTH_T_NEW(sm,i); |
324 |
< |
|
342 |
< |
/* NOTE:Triangles are defined clockwise:historical relative to spherical |
343 |
< |
tris: could change |
344 |
< |
*/ |
345 |
< |
for(j=2; j>= 0; j--) |
323 |
> |
if (clr) SM_CLR_NTH_T_NEW(sm,i); |
324 |
> |
for(j=0; j <= 2; j++) |
325 |
|
{ |
326 |
|
#ifdef DEBUG |
327 |
|
if(SM_BG_SAMPLE(sm,T_NTH_V(tri,j))) |
347 |
|
int rgb[3]; |
348 |
|
|
349 |
|
tri = SM_NTH_TRI(sm,i); |
350 |
< |
if (clr) SM_CLEAR_NTH_T_NEW(sm,i); |
350 |
> |
if (clr) SM_CLR_NTH_T_NEW(sm,i); |
351 |
|
|
352 |
|
/* NOTE:Triangles are defined clockwise:historical relative to spherical |
353 |
|
tris: could change |
372 |
|
rgb[0]/=cnt; rgb[1]/=cnt; rgb[2]/=cnt; |
373 |
|
d /= (double)cnt; |
374 |
|
} |
375 |
< |
for(j=2; j>= 0; j--) |
375 |
> |
for(j=0; j <= 2; j++) |
376 |
|
{ |
377 |
|
if(SM_BG_SAMPLE(sm,ids[j])) |
378 |
|
{ |
405 |
|
TRI *tri; |
406 |
|
|
407 |
|
tri = SM_NTH_TRI(sm,i); |
408 |
< |
if (clr) SM_CLEAR_NTH_T_NEW(sm,i); |
408 |
> |
if (clr) SM_CLR_NTH_T_NEW(sm,i); |
409 |
|
|
410 |
|
/* NOTE:Triangles are defined clockwise:historical relative to spherical |
411 |
|
tris: could change |
412 |
|
*/ |
413 |
< |
for(j=2; j>= 0; j--) |
413 |
> |
for(j=0; j <= 2; j++) |
414 |
|
{ |
415 |
|
id = T_NTH_V(tri,j); |
416 |
|
glColor3ub(SM_NTH_RGB(sm,id)[0],SM_NTH_RGB(sm,id)[1], |
441 |
|
glPushAttrib(GL_DEPTH_BUFFER_BIT); |
442 |
|
|
443 |
|
/* First draw background polygons */ |
465 |
– |
|
444 |
|
glDisable(GL_DEPTH_TEST); |
445 |
|
glBegin(GL_TRIANGLES); |
446 |
|
SM_FOR_ALL_ACTIVE_BG_TRIS(sm,i) |
447 |
|
smRender_bg_tri(sm,i,vp,d,clr); |
448 |
|
glEnd(); |
471 |
– |
|
449 |
|
glEnable(GL_DEPTH_TEST); |
450 |
|
glBegin(GL_TRIANGLES); |
451 |
|
SM_FOR_ALL_ACTIVE_FG_TRIS(sm,i) |
452 |
|
{ |
453 |
|
if(!SM_MIXED_TRI(sm,i)) |
454 |
|
smRender_tri(sm,i,vp,clr); |
455 |
< |
else |
455 |
> |
else |
456 |
|
smRender_mixed_tri(sm,i,vp,clr); |
457 |
|
} |
458 |
|
glEnd(); |
471 |
|
|
472 |
|
tri = SM_NTH_TRI(sm,i); |
473 |
|
|
474 |
< |
/* Triangles are defined clockwise:historical relative to spherical |
498 |
< |
tris: could change |
499 |
< |
*/ |
500 |
< |
for(j=2; j >=0; j--) |
474 |
> |
for(j=0; j <= 2; j++) |
475 |
|
{ |
476 |
|
VCOPY(ptr,SM_NTH_WV(sm,T_NTH_V(tri,j))); |
477 |
|
glVertex3d(ptr[0],ptr[1],ptr[2]); |
515 |
|
continue; |
516 |
|
} |
517 |
|
tri = SM_NTH_TRI(sm,t_id); |
518 |
+ |
#ifdef DEBUG |
519 |
+ |
if(i >= smNew_tri_cnt) |
520 |
+ |
{ |
521 |
+ |
eputs("smDepth_sort_tris():More tris than reported by smNew_tri_cnt\n"); |
522 |
+ |
break; |
523 |
+ |
} |
524 |
+ |
#endif |
525 |
|
td[i].tri = t_id; |
526 |
|
min_d = -1; |
527 |
|
for(j=0;j < 3;j++) |
575 |
|
|
576 |
|
/* Turn Depth Test off -- using Painter's algorithm */ |
577 |
|
glPushAttrib(GL_DEPTH_BUFFER_BIT); |
578 |
< |
glDisable(GL_DEPTH_TEST); |
578 |
> |
glDepthFunc(GL_ALWAYS); |
579 |
|
d = (dev_zmin+dev_zmax)/2.0; |
580 |
|
/* Now render back-to front */ |
581 |
|
/* First render bg triangles */ |
584 |
|
smRender_bg_tri(sm,pop_list(&bglist),vp,d,clr); |
585 |
|
glEnd(); |
586 |
|
|
587 |
< |
glEnable(GL_DEPTH_TEST); |
587 |
> |
|
588 |
|
glBegin(GL_TRIANGLES); |
589 |
|
i=0; |
590 |
|
while(td[i].tri != -1) |
622 |
|
epsilon is calculated as running avg of distance of sample points |
623 |
|
from canonical view: m = 1/(AVG(1/r)): some fraction of this |
624 |
|
*/ |
625 |
+ |
|
626 |
+ |
if(!smMesh) |
627 |
+ |
return; |
628 |
+ |
|
629 |
+ |
|
630 |
+ |
|
631 |
|
d = DIST(view->vp,SM_VIEW_CENTER(smMesh)); |
632 |
|
if(qual >= 100 && d > SM_ALLOWED_VIEW_CHANGE(smMesh)) |
633 |
|
{ |
634 |
|
/* Re-build the mesh */ |
635 |
|
#ifdef TEST_DRIVER |
636 |
|
odev.v = *view; |
637 |
< |
#endif |
638 |
< |
smRebuild_mesh(smMesh,view->vp); |
637 |
> |
#endif |
638 |
> |
mark_tris_in_frustum(view); |
639 |
> |
smRebuild_mesh(smMesh,view); |
640 |
|
} |
641 |
|
/* This is our final update iff qual==100 and view==&odev.v */ |
642 |
|
last_update = qual>=100 && view==&(odev.v); |
643 |
|
/* Check if we should draw ALL triangles in current frustum */ |
644 |
< |
if(smClean_notify || smNew_tri_cnt > SM_NUM_TRIS(smMesh)*SM_INC_PERCENT) |
644 |
> |
if(smClean_notify || smNew_tri_cnt > SM_SAMPLE_TRIS(smMesh)*SM_INC_PERCENT) |
645 |
|
{ |
646 |
|
#ifdef TEST_DRIVER |
647 |
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
648 |
|
#else |
649 |
< |
if (SM_TONE_MAP(smMesh) < SM_NUM_SAMP(smMesh)) |
649 |
> |
if ( SM_TONE_MAP(smMesh) < SM_NUM_SAMP(smMesh)) |
650 |
|
{ |
651 |
|
tmClearHisto(); |
652 |
|
tmAddHisto(SM_BRT(smMesh),SM_NUM_SAMP(smMesh),1); |
653 |
< |
if(tmComputeMapping(0.,0.,0.) != TM_E_OK || |
654 |
< |
tmMapPixels(SM_RGB(smMesh),SM_BRT(smMesh),SM_CHR(smMesh), |
655 |
< |
SM_NUM_SAMP(smMesh)) != TM_E_OK) |
668 |
< |
return; |
653 |
> |
tmComputeMapping(0.,0.,0.); |
654 |
> |
tmMapPixels(SM_RGB(smMesh),SM_BRT(smMesh),SM_CHR(smMesh), |
655 |
> |
SM_NUM_SAMP(smMesh)); |
656 |
|
} |
657 |
|
#endif |
658 |
|
mark_tris_in_frustum(view); |
667 |
|
} |
668 |
|
/* Do an incremental update instead */ |
669 |
|
else |
670 |
< |
{ |
671 |
< |
if(!smNew_tri_cnt) |
670 |
> |
{ |
671 |
> |
if(!smNew_tri_cnt) |
672 |
|
return; |
673 |
|
#ifdef TEST_DRIVER |
674 |
|
glDrawBuffer(GL_FRONT); |
681 |
|
if(tmComputeMapping(0.,0.,0.) != TM_E_OK) |
682 |
|
return; |
683 |
|
} |
684 |
< |
if(tmMapPixels(SM_NTH_RGB(smMesh,t),&SM_NTH_BRT(smMesh,t), |
685 |
< |
SM_NTH_CHR(smMesh,t), SM_NUM_SAMP(smMesh)-t) != TM_E_OK) |
686 |
< |
return; |
684 |
> |
tmMapPixels(SM_NTH_RGB(smMesh,t),&SM_NTH_BRT(smMesh,t), |
685 |
> |
SM_NTH_CHR(smMesh,t), SM_NUM_SAMP(smMesh)-t); |
686 |
> |
|
687 |
|
#endif |
688 |
|
smUpdate_Rendered_mesh(smMesh,view->vp,last_update); |
689 |
|
|
691 |
|
glDrawBuffer(GL_BACK); |
692 |
|
#endif |
693 |
|
} |
694 |
+ |
|
695 |
|
SM_TONE_MAP(smMesh) = SM_NUM_SAMP(smMesh); |
696 |
+ |
|
697 |
|
if (last_update) |
698 |
|
{ |
699 |
|
smClean_notify = FALSE; |
700 |
|
smNew_tri_cnt = 0; |
701 |
< |
lu_done(&qtr_tab); |
701 |
> |
smClear_flags(smMesh,T_NEW_FLAG); |
702 |
> |
qtCache_init(0); |
703 |
|
} |
704 |
|
|
705 |
|
} |