1 /*
2  * Copyright (C) 2008 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 /* ---- includes ----------------------------------------------------------- */
18 
19 #include "b_TensorEm/Cluster3D.h"
20 #include "b_BasicEm/Math.h"
21 #include "b_BasicEm/Memory.h"
22 #include "b_BasicEm/Functions.h"
23 
24 /* ------------------------------------------------------------------------- */
25 
26 /* ========================================================================= */
27 /*                                                                           */
28 /* ---- \ghd{ auxiliary functions } ---------------------------------------- */
29 /*                                                                           */
30 /* ========================================================================= */
31 
32 /* ------------------------------------------------------------------------- */
33 
34 /* ========================================================================= */
35 /*                                                                           */
36 /* ---- \ghd{ constructor / destructor } ----------------------------------- */
37 /*                                                                           */
38 /* ========================================================================= */
39 
40 /* ------------------------------------------------------------------------- */
41 
bts_Cluster3D_init(struct bbs_Context * cpA,struct bts_Cluster3D * ptrA)42 void bts_Cluster3D_init( struct bbs_Context* cpA,
43 						 struct bts_Cluster3D* ptrA )
44 {
45 	ptrA->mspE = NULL;
46 	ptrA->vecArrE = NULL;
47 	ptrA->allocatedSizeE = 0;
48 	ptrA->sizeE = 0;
49 	ptrA->bbpE = 0;
50 }
51 
52 /* ------------------------------------------------------------------------- */
53 
bts_Cluster3D_exit(struct bbs_Context * cpA,struct bts_Cluster3D * ptrA)54 void bts_Cluster3D_exit( struct bbs_Context* cpA,
55 						 struct bts_Cluster3D* ptrA )
56 {
57 	bbs_MemSeg_free( cpA, ptrA->mspE, ptrA->vecArrE );
58 	ptrA->vecArrE = NULL;
59 	ptrA->mspE = NULL;
60 	ptrA->allocatedSizeE = 0;
61 	ptrA->sizeE = 0;
62 	ptrA->bbpE = 0;
63 }
64 
65 /* ------------------------------------------------------------------------- */
66 
67 /* ========================================================================= */
68 /*                                                                           */
69 /* ---- \ghd{ operators } -------------------------------------------------- */
70 /*                                                                           */
71 /* ========================================================================= */
72 
73 /* ------------------------------------------------------------------------- */
74 
bts_Cluster3D_copy(struct bbs_Context * cpA,struct bts_Cluster3D * ptrA,const struct bts_Cluster3D * srcPtrA)75 void bts_Cluster3D_copy( struct bbs_Context* cpA,
76 						 struct bts_Cluster3D* ptrA,
77 						 const struct bts_Cluster3D* srcPtrA )
78 {
79 #ifdef DEBUG1
80 	if( ptrA->allocatedSizeE < srcPtrA->sizeE )
81 	{
82 		bbs_ERROR0( "void bts_Cluster3D_copy( struct bts_Cluster2D* ptrA, const struct bts_Cluster2D* srcPtrA ): allocated size too low in destination cluster" );
83 		return;
84 	}
85 #endif
86 
87 	bbs_memcpy16( ptrA->vecArrE, srcPtrA->vecArrE, bbs_SIZEOF16( struct bts_Int16Vec3D ) * srcPtrA->sizeE );
88 
89 	ptrA->bbpE = srcPtrA->bbpE;
90 	ptrA->sizeE = srcPtrA->sizeE;
91 }
92 
93 /* ------------------------------------------------------------------------- */
94 
bts_Cluster3D_equal(struct bbs_Context * cpA,const struct bts_Cluster3D * ptrA,const struct bts_Cluster3D * srcPtrA)95 flag bts_Cluster3D_equal( struct bbs_Context* cpA,
96 						  const struct bts_Cluster3D* ptrA,
97 						  const struct bts_Cluster3D* srcPtrA )
98 {
99 	uint32 iL;
100 	const struct bts_Int16Vec3D* src1L = ptrA->vecArrE;
101 	const struct bts_Int16Vec3D* src2L = srcPtrA->vecArrE;
102 
103 	if( ptrA->sizeE != srcPtrA->sizeE ) return FALSE;
104 	if( ptrA->bbpE != srcPtrA->bbpE ) return FALSE;
105 
106 	for( iL = ptrA->sizeE; iL > 0; iL-- )
107 	{
108 		if( ( src1L->xE != src2L->xE ) ||
109 			( src1L->yE != src2L->yE ) ||
110 			( src1L->zE != src2L->zE ) ) return FALSE;
111 		src1L++;
112 		src2L++;
113 	}
114 
115 	return TRUE;
116 }
117 
118 /* ------------------------------------------------------------------------- */
119 
120 /* ========================================================================= */
121 /*                                                                           */
122 /* ---- \ghd{ query functions } -------------------------------------------- */
123 /*                                                                           */
124 /* ========================================================================= */
125 
126 /* ------------------------------------------------------------------------- */
127 
bts_Cluster3D_center(struct bbs_Context * cpA,const struct bts_Cluster3D * ptrA)128 struct bts_Flt16Vec3D bts_Cluster3D_center( struct bbs_Context* cpA,
129 										    const struct bts_Cluster3D* ptrA )
130 {
131 	struct bts_Int16Vec3D* vecPtrL = ptrA->vecArrE;
132 	uint32 iL;
133 	int32 xL = 0;
134 	int32 yL = 0;
135 	int32 zL = 0;
136 
137 	if( ptrA->sizeE == 0 ) return bts_Flt16Vec3D_create16( 0, 0, 0, 0 );
138 
139 	for( iL = ptrA->sizeE; iL > 0; iL-- )
140 	{
141 		xL += vecPtrL->xE;
142 		yL += vecPtrL->yE;
143 		zL += vecPtrL->zE;
144 		vecPtrL++;
145 	}
146 
147 	xL = ( ( ( xL << 1 ) / ( int32 )ptrA->sizeE ) + 1 ) >> 1;
148 	yL = ( ( ( yL << 1 ) / ( int32 )ptrA->sizeE ) + 1 ) >> 1;
149 	zL = ( ( ( zL << 1 ) / ( int32 )ptrA->sizeE ) + 1 ) >> 1;
150 
151 	return bts_Flt16Vec3D_create16( ( int16 )xL, ( int16 )yL, ( int16 )zL, ( int16 )ptrA->bbpE );
152 }
153 
154 /* ------------------------------------------------------------------------- */
155 
bts_Cluster3D_boundingBox(struct bbs_Context * cpA,const struct bts_Cluster3D * ptrA)156 struct bts_Int16Rect bts_Cluster3D_boundingBox( struct bbs_Context* cpA,
157 											    const struct bts_Cluster3D* ptrA )
158 {
159 	struct bts_Int16Vec3D* vecPtrL = ptrA->vecArrE;
160 	uint32 iL;
161 	int32 xMinL = 65536; /*( 1 << 16 )*/
162 	int32 yMinL = 65536; /*( 1 << 16 )*/
163 	int32 xMaxL = 0;
164 	int32 yMaxL = 0;
165 
166 	if( ptrA->sizeE == 0 ) return bts_Int16Rect_create( 0, 0, 0, 0 );
167 
168 	for( iL = ptrA->sizeE; iL > 0; iL-- )
169 	{
170 		xMinL = bbs_min( xMinL, vecPtrL->xE );
171 		yMinL = bbs_min( yMinL, vecPtrL->yE );
172 		xMaxL = bbs_max( xMaxL, vecPtrL->xE );
173 		yMaxL = bbs_max( yMaxL, vecPtrL->yE );
174 		vecPtrL++;
175 	}
176 
177 	return bts_Int16Rect_create( ( int16 )xMinL, ( int16 )yMinL, ( int16 )xMaxL, ( int16 )yMaxL );
178 }
179 
180 /* ------------------------------------------------------------------------- */
181 
bts_Cluster3D_int32X(struct bbs_Context * cpA,const struct bts_Cluster3D * ptrA,uint32 indexA,int32 bbpA)182 int32 bts_Cluster3D_int32X( struct bbs_Context* cpA,
183 						    const struct bts_Cluster3D* ptrA,
184 							uint32 indexA, int32 bbpA )
185 {
186 	int32 shiftL = bbpA - ptrA->bbpE;
187 #ifdef DEBUG2
188 	if( indexA >= ptrA->sizeE )
189 	{
190 		bbs_ERROR2( "int32 bts_Cluster2D_int32X( .... )\n"
191 			       "indexA = %i is out of range [0,%i]",
192 				   indexA,
193 				   ptrA->sizeE - 1 );
194 		return 0;
195 	}
196 #endif
197 	if( shiftL >= 0 )
198 	{
199 		return ( int32 ) ptrA->vecArrE[ indexA ].xE << shiftL;
200 	}
201 	else
202 	{
203 		return ( ( ( int32 ) ptrA->vecArrE[ indexA ].xE >> ( -shiftL - 1 ) ) + 1 ) >> 1;
204 	}
205 }
206 
207 /* ------------------------------------------------------------------------- */
208 
bts_Cluster3D_int32Y(struct bbs_Context * cpA,const struct bts_Cluster3D * ptrA,uint32 indexA,int32 bbpA)209 int32 bts_Cluster3D_int32Y( struct bbs_Context* cpA,
210 						    const struct bts_Cluster3D* ptrA,
211 							uint32 indexA,
212 							int32 bbpA )
213 {
214 	int32 shiftL = bbpA - ptrA->bbpE;
215 #ifdef DEBUG2
216 	if( indexA >= ptrA->sizeE )
217 	{
218 		bbs_ERROR2( "int32 bts_Cluster2D_int32Y( .... )\n"
219 			       "indexA = %i is out of range [0,%i]",
220 				   indexA,
221 				   ptrA->sizeE - 1 );
222 		return 0;
223 	}
224 #endif
225 	if( shiftL >= 0 )
226 	{
227 		return ( int32 ) ptrA->vecArrE[ indexA ].yE << shiftL;
228 	}
229 	else
230 	{
231 		return ( ( ( int32 ) ptrA->vecArrE[ indexA ].yE >> ( -shiftL - 1 ) ) + 1 ) >> 1;
232 	}
233 }
234 
235 /* ------------------------------------------------------------------------- */
236 
bts_Cluster3D_int32Z(struct bbs_Context * cpA,const struct bts_Cluster3D * ptrA,uint32 indexA,int32 bbpA)237 int32 bts_Cluster3D_int32Z( struct bbs_Context* cpA,
238 						    const struct bts_Cluster3D* ptrA,
239 							uint32 indexA,
240 							int32 bbpA )
241 {
242 	int32 shiftL = bbpA - ptrA->bbpE;
243 #ifdef DEBUG2
244 	if( indexA >= ptrA->sizeE )
245 	{
246 		bbs_ERROR2( "int32 bts_Cluster2D_int32Z( .... )\n"
247 			       "indexA = %i is out of range [0,%i]",
248 				   indexA,
249 				   ptrA->sizeE - 1 );
250 		return 0;
251 	}
252 #endif
253 	if( shiftL >= 0 )
254 	{
255 		return ( int32 ) ptrA->vecArrE[ indexA ].zE << shiftL;
256 	}
257 	else
258 	{
259 		return ( ( ( int32 ) ptrA->vecArrE[ indexA ].zE >> ( -shiftL - 1 ) ) + 1 ) >> 1;
260 	}
261 }
262 
263 /* ------------------------------------------------------------------------- */
264 
265 /* ========================================================================= */
266 /*                                                                           */
267 /* ---- \ghd{ modify functions } ------------------------------------------- */
268 /*                                                                           */
269 /* ========================================================================= */
270 
271 /* ------------------------------------------------------------------------- */
272 
bts_Cluster3D_create(struct bbs_Context * cpA,struct bts_Cluster3D * ptrA,uint32 sizeA,struct bbs_MemSeg * mspA)273 void bts_Cluster3D_create( struct bbs_Context* cpA,
274 						   struct bts_Cluster3D* ptrA,
275 						   uint32 sizeA,
276 						   struct bbs_MemSeg* mspA )
277 {
278 	if( bbs_Context_error( cpA ) ) return;
279 	if( ptrA->mspE == NULL )
280 	{
281 		ptrA->sizeE = 0;
282 		ptrA->allocatedSizeE = 0;
283 		ptrA->vecArrE = NULL;
284 	}
285 
286 	if( ptrA->sizeE == sizeA ) return;
287 
288 	if( ptrA->vecArrE != 0 )
289 	{
290 		bbs_ERROR0( "void bts_Cluster3D_create( const struct bts_Cluster3D*, uint32 ):\n"
291 				   "object has already been created and cannot be resized." );
292 		return;
293 	}
294 
295 	ptrA->vecArrE = bbs_MemSeg_alloc( cpA, mspA, sizeA * bbs_SIZEOF16( struct bts_Int16Vec3D ) );
296 	if( bbs_Context_error( cpA ) ) return;
297 	ptrA->sizeE = sizeA;
298 	ptrA->allocatedSizeE = sizeA;
299 	if( !mspA->sharedE ) ptrA->mspE = mspA;
300 }
301 
302 /* ------------------------------------------------------------------------- */
303 
bts_Cluster3D_size(struct bbs_Context * cpA,struct bts_Cluster3D * ptrA,uint32 sizeA)304 void bts_Cluster3D_size( struct bbs_Context* cpA,
305 						 struct bts_Cluster3D* ptrA,
306 						 uint32 sizeA )
307 {
308 	if( ptrA->allocatedSizeE < sizeA )
309 	{
310 		bbs_ERROR2( "void bts_Cluster3D_size( struct bts_Cluster3D* ptrA, uint32 sizeA ):\n"
311 				   "Allocated size (%i) of cluster is smaller than requested size (%i).",
312 				   ptrA->allocatedSizeE,
313 				   sizeA );
314 		return;
315 	}
316 	ptrA->sizeE = sizeA;
317 }
318 
319 /* ------------------------------------------------------------------------- */
320 
bts_Cluster3D_transform(struct bbs_Context * cpA,struct bts_Cluster3D * ptrA,struct bts_Flt16Alt3D altA)321 void bts_Cluster3D_transform( struct bbs_Context* cpA,
322 							  struct bts_Cluster3D* ptrA,
323 							  struct bts_Flt16Alt3D altA )
324 {
325 	struct bts_Int16Vec3D* vecPtrL = ptrA->vecArrE;
326 	uint32 iL;
327 
328 	int32 x0L = altA.vecE.xE;
329 	int32 y0L = altA.vecE.yE;
330 	int32 z0L = altA.vecE.zE;
331 
332 	int32 shiftL = altA.matE.bbpE + ptrA->bbpE - altA.vecE.bbpE;
333 
334 	if( shiftL < 0 )
335 	{
336 		x0L = ( ( x0L >> ( -shiftL - 1 ) ) + 1 ) >> 1;
337 		y0L = ( ( y0L >> ( -shiftL - 1 ) ) + 1 ) >> 1;
338 		z0L = ( ( z0L >> ( -shiftL - 1 ) ) + 1 ) >> 1;
339 	}
340 	else
341 	{
342 		x0L <<= shiftL;
343 		y0L <<= shiftL;
344 		z0L <<= shiftL;
345 	}
346 
347 	if( altA.matE.bbpE > 0 )
348 	{
349 		x0L += (int32)1 << ( altA.matE.bbpE - 1 );
350 		y0L += (int32)1 << ( altA.matE.bbpE - 1 );
351 		z0L += (int32)1 << ( altA.matE.bbpE - 1 );
352 	}
353 
354 	for( iL = ptrA->sizeE; iL > 0; iL-- )
355 	{
356 		int32 xL = vecPtrL->xE;
357 		int32 yL = vecPtrL->yE;
358 		int32 zL = vecPtrL->zE;
359 		vecPtrL->xE = ( x0L + xL * altA.matE.xxE + yL * altA.matE.xyE + zL * altA.matE.xzE ) >> altA.matE.bbpE;
360 		vecPtrL->yE = ( y0L + xL * altA.matE.yxE + yL * altA.matE.yyE + zL * altA.matE.yzE ) >> altA.matE.bbpE;
361 		vecPtrL->zE = ( z0L + xL * altA.matE.zxE + yL * altA.matE.zyE + zL * altA.matE.zzE ) >> altA.matE.bbpE;
362 		vecPtrL++;
363 	}
364 }
365 
366 /* ------------------------------------------------------------------------- */
367 
bts_Cluster3D_centerFree(struct bbs_Context * cpA,struct bts_Cluster3D * ptrA)368 struct bts_Flt16Vec3D bts_Cluster3D_centerFree( struct bbs_Context* cpA,
369 											    struct bts_Cluster3D* ptrA )
370 {
371 	struct bts_Flt16Vec3D centerL = bts_Cluster3D_center( cpA, ptrA );
372 	struct bts_Int16Vec3D* vecPtrL = ptrA->vecArrE;
373 	uint32 iL;
374 
375 	for( iL = ptrA->sizeE; iL > 0; iL-- )
376 	{
377 		vecPtrL->xE -= centerL.xE;
378 		vecPtrL->yE -= centerL.yE;
379 		vecPtrL->zE -= centerL.zE;
380 		vecPtrL++;
381 	}
382 
383 	return centerL;
384 }
385 
386 /* ------------------------------------------------------------------------- */
387 
388 /* ========================================================================= */
389 /*                                                                           */
390 /* ---- \ghd{ I/O } -------------------------------------------------------- */
391 /*                                                                           */
392 /* ========================================================================= */
393 
394 /* ------------------------------------------------------------------------- */
395 
bts_Cluster3D_memSize(struct bbs_Context * cpA,const struct bts_Cluster3D * ptrA)396 uint32 bts_Cluster3D_memSize( struct bbs_Context* cpA,
397 							  const struct bts_Cluster3D *ptrA )
398 {
399 	return  bbs_SIZEOF16( uint32 )
400 		  + bbs_SIZEOF16( uint32 ) /* version */
401 		  + bbs_SIZEOF16( ptrA->sizeE )
402 		  + bbs_SIZEOF16( ptrA->bbpE )
403 		  + bbs_SIZEOF16( struct bts_Int16Vec3D ) * ptrA->sizeE;
404 }
405 
406 /* ------------------------------------------------------------------------- */
407 
bts_Cluster3D_memWrite(struct bbs_Context * cpA,const struct bts_Cluster3D * ptrA,uint16 * memPtrA)408 uint32 bts_Cluster3D_memWrite( struct bbs_Context* cpA,
409 							   const struct bts_Cluster3D* ptrA,
410 							   uint16* memPtrA )
411 {
412 	uint32 memSizeL = bts_Cluster3D_memSize( cpA, ptrA );
413 	memPtrA += bbs_memWrite32( &memSizeL, memPtrA );
414 	memPtrA += bbs_memWriteUInt32( bts_CLUSTER3D_VERSION, memPtrA );
415 	memPtrA += bbs_memWrite32( &ptrA->sizeE, memPtrA );
416 	memPtrA += bbs_memWrite32( &ptrA->bbpE, memPtrA );
417 	memPtrA += bbs_memWrite16Arr( cpA, ptrA->vecArrE,
418 								  ptrA->sizeE * bbs_SIZEOF16( struct bts_Int16Vec3D ),
419 								  memPtrA );
420 	return memSizeL;
421 }
422 
423 /* ------------------------------------------------------------------------- */
424 
bts_Cluster3D_memRead(struct bbs_Context * cpA,struct bts_Cluster3D * ptrA,const uint16 * memPtrA,struct bbs_MemSeg * mspA)425 uint32 bts_Cluster3D_memRead( struct bbs_Context* cpA,
426 							  struct bts_Cluster3D* ptrA,
427 							  const uint16* memPtrA,
428 						      struct bbs_MemSeg* mspA )
429 {
430 	uint32 memSizeL;
431 	uint32 sizeL;
432 	uint32 versionL;
433 	if( bbs_Context_error( cpA ) ) return 0;
434 	memPtrA += bbs_memRead32( &memSizeL, memPtrA );
435 	memPtrA += bbs_memReadVersion32( cpA, &versionL, bts_CLUSTER3D_VERSION, memPtrA );
436 	memPtrA += bbs_memRead32( &sizeL, memPtrA );
437 	memPtrA += bbs_memRead32( &ptrA->bbpE, memPtrA );
438 
439 	if( ptrA->allocatedSizeE < sizeL )
440 	{
441 		bts_Cluster3D_create( cpA, ptrA, sizeL, mspA );
442 	}
443 	else
444 	{
445 		bts_Cluster3D_size( cpA, ptrA, sizeL );
446 	}
447 
448 
449 	bbs_memcpy16( ptrA->vecArrE, memPtrA, bbs_SIZEOF16( struct bts_Int16Vec3D ) * ptrA->sizeE );
450 	memPtrA += bbs_memRead16Arr( cpA, ptrA->vecArrE,
451 								 ptrA->sizeE * bbs_SIZEOF16( struct bts_Int16Vec3D ),
452 								 memPtrA );
453 
454 	if( memSizeL != bts_Cluster3D_memSize( cpA, ptrA ) )
455 	{
456 		bbs_ERR0( bbs_ERR_CORRUPT_DATA, "uint32 bts_Cluster3D_memRead( const struct bts_Cluster3D* ptrA, const void* memPtrA ):\n"
457                    "size mismatch" );
458 		return 0;
459 	}
460 	return memSizeL;
461 }
462 
463 /* ------------------------------------------------------------------------- */
464 
465 /* ========================================================================= */
466 /*                                                                           */
467 /* ---- \ghd{ exec functions } --------------------------------------------- */
468 /*                                                                           */
469 /* ========================================================================= */
470 
471 /* ------------------------------------------------------------------------- */
472 
473 /* ========================================================================= */
474 
475