1 /**************************************************************************
2 *
3 * Copyright 2009-2010 VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <float.h>
32
33 #include "util/u_half.h"
34 #include "util/u_format.h"
35 #include "util/u_format_tests.h"
36 #include "util/u_format_s3tc.h"
37
38
39 static boolean
compare_float(float x,float y)40 compare_float(float x, float y)
41 {
42 float error = y - x;
43
44 if (error < 0.0f)
45 error = -error;
46
47 if (error > FLT_EPSILON) {
48 return FALSE;
49 }
50
51 return TRUE;
52 }
53
54
55 static void
print_packed(const struct util_format_description * format_desc,const char * prefix,const uint8_t * packed,const char * suffix)56 print_packed(const struct util_format_description *format_desc,
57 const char *prefix,
58 const uint8_t *packed,
59 const char *suffix)
60 {
61 unsigned i;
62 const char *sep = "";
63
64 printf("%s", prefix);
65 for (i = 0; i < format_desc->block.bits/8; ++i) {
66 printf("%s%02x", sep, packed[i]);
67 sep = " ";
68 }
69 printf("%s", suffix);
70 fflush(stdout);
71 }
72
73
74 static void
print_unpacked_rgba_doubl(const struct util_format_description * format_desc,const char * prefix,const double unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4],const char * suffix)75 print_unpacked_rgba_doubl(const struct util_format_description *format_desc,
76 const char *prefix,
77 const double unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4],
78 const char *suffix)
79 {
80 unsigned i, j;
81 const char *sep = "";
82
83 printf("%s", prefix);
84 for (i = 0; i < format_desc->block.height; ++i) {
85 for (j = 0; j < format_desc->block.width; ++j) {
86 printf("%s{%f, %f, %f, %f}", sep, unpacked[i][j][0], unpacked[i][j][1], unpacked[i][j][2], unpacked[i][j][3]);
87 sep = ", ";
88 }
89 sep = ",\n";
90 }
91 printf("%s", suffix);
92 fflush(stdout);
93 }
94
95
96 static void
print_unpacked_rgba_float(const struct util_format_description * format_desc,const char * prefix,float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4],const char * suffix)97 print_unpacked_rgba_float(const struct util_format_description *format_desc,
98 const char *prefix,
99 float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4],
100 const char *suffix)
101 {
102 unsigned i, j;
103 const char *sep = "";
104
105 printf("%s", prefix);
106 for (i = 0; i < format_desc->block.height; ++i) {
107 for (j = 0; j < format_desc->block.width; ++j) {
108 printf("%s{%f, %f, %f, %f}", sep, unpacked[i][j][0], unpacked[i][j][1], unpacked[i][j][2], unpacked[i][j][3]);
109 sep = ", ";
110 }
111 sep = ",\n";
112 }
113 printf("%s", suffix);
114 fflush(stdout);
115 }
116
117
118 static void
print_unpacked_rgba_8unorm(const struct util_format_description * format_desc,const char * prefix,uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4],const char * suffix)119 print_unpacked_rgba_8unorm(const struct util_format_description *format_desc,
120 const char *prefix,
121 uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4],
122 const char *suffix)
123 {
124 unsigned i, j;
125 const char *sep = "";
126
127 printf("%s", prefix);
128 for (i = 0; i < format_desc->block.height; ++i) {
129 for (j = 0; j < format_desc->block.width; ++j) {
130 printf("%s{0x%02x, 0x%02x, 0x%02x, 0x%02x}", sep, unpacked[i][j][0], unpacked[i][j][1], unpacked[i][j][2], unpacked[i][j][3]);
131 sep = ", ";
132 }
133 }
134 printf("%s", suffix);
135 fflush(stdout);
136 }
137
138
139 static void
print_unpacked_z_float(const struct util_format_description * format_desc,const char * prefix,float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH],const char * suffix)140 print_unpacked_z_float(const struct util_format_description *format_desc,
141 const char *prefix,
142 float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH],
143 const char *suffix)
144 {
145 unsigned i, j;
146 const char *sep = "";
147
148 printf("%s", prefix);
149 for (i = 0; i < format_desc->block.height; ++i) {
150 for (j = 0; j < format_desc->block.width; ++j) {
151 printf("%s%f", sep, unpacked[i][j]);
152 sep = ", ";
153 }
154 sep = ",\n";
155 }
156 printf("%s", suffix);
157 fflush(stdout);
158 }
159
160
161 static void
print_unpacked_z_32unorm(const struct util_format_description * format_desc,const char * prefix,uint32_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH],const char * suffix)162 print_unpacked_z_32unorm(const struct util_format_description *format_desc,
163 const char *prefix,
164 uint32_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH],
165 const char *suffix)
166 {
167 unsigned i, j;
168 const char *sep = "";
169
170 printf("%s", prefix);
171 for (i = 0; i < format_desc->block.height; ++i) {
172 for (j = 0; j < format_desc->block.width; ++j) {
173 printf("%s0x%08x", sep, unpacked[i][j]);
174 sep = ", ";
175 }
176 }
177 printf("%s", suffix);
178 fflush(stdout);
179 }
180
181
182 static void
print_unpacked_s_8uint(const struct util_format_description * format_desc,const char * prefix,uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH],const char * suffix)183 print_unpacked_s_8uint(const struct util_format_description *format_desc,
184 const char *prefix,
185 uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH],
186 const char *suffix)
187 {
188 unsigned i, j;
189 const char *sep = "";
190
191 printf("%s", prefix);
192 for (i = 0; i < format_desc->block.height; ++i) {
193 for (j = 0; j < format_desc->block.width; ++j) {
194 printf("%s0x%02x", sep, unpacked[i][j]);
195 sep = ", ";
196 }
197 }
198 printf("%s", suffix);
199 fflush(stdout);
200 }
201
202
203 static boolean
test_format_fetch_rgba_float(const struct util_format_description * format_desc,const struct util_format_test_case * test)204 test_format_fetch_rgba_float(const struct util_format_description *format_desc,
205 const struct util_format_test_case *test)
206 {
207 float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } };
208 unsigned i, j, k;
209 boolean success;
210
211 success = TRUE;
212 for (i = 0; i < format_desc->block.height; ++i) {
213 for (j = 0; j < format_desc->block.width; ++j) {
214 format_desc->fetch_rgba_float(unpacked[i][j], test->packed, j, i);
215 for (k = 0; k < 4; ++k) {
216 if (!compare_float(test->unpacked[i][j][k], unpacked[i][j][k])) {
217 success = FALSE;
218 }
219 }
220 }
221 }
222
223 if (!success) {
224 print_unpacked_rgba_float(format_desc, "FAILED: ", unpacked, " obtained\n");
225 print_unpacked_rgba_doubl(format_desc, " ", test->unpacked, " expected\n");
226 }
227
228 return success;
229 }
230
231
232 static boolean
test_format_unpack_rgba_float(const struct util_format_description * format_desc,const struct util_format_test_case * test)233 test_format_unpack_rgba_float(const struct util_format_description *format_desc,
234 const struct util_format_test_case *test)
235 {
236 float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } };
237 unsigned i, j, k;
238 boolean success;
239
240 format_desc->unpack_rgba_float(&unpacked[0][0][0], sizeof unpacked[0],
241 test->packed, 0,
242 format_desc->block.width, format_desc->block.height);
243
244 success = TRUE;
245 for (i = 0; i < format_desc->block.height; ++i) {
246 for (j = 0; j < format_desc->block.width; ++j) {
247 for (k = 0; k < 4; ++k) {
248 if (!compare_float(test->unpacked[i][j][k], unpacked[i][j][k])) {
249 success = FALSE;
250 }
251 }
252 }
253 }
254
255 if (!success) {
256 print_unpacked_rgba_float(format_desc, "FAILED: ", unpacked, " obtained\n");
257 print_unpacked_rgba_doubl(format_desc, " ", test->unpacked, " expected\n");
258 }
259
260 return success;
261 }
262
263
264 static boolean
test_format_pack_rgba_float(const struct util_format_description * format_desc,const struct util_format_test_case * test)265 test_format_pack_rgba_float(const struct util_format_description *format_desc,
266 const struct util_format_test_case *test)
267 {
268 float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4];
269 uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
270 unsigned i, j, k;
271 boolean success;
272
273 if (test->format == PIPE_FORMAT_DXT1_RGBA) {
274 /*
275 * Skip S3TC as packed representation is not canonical.
276 *
277 * TODO: Do a round trip conversion.
278 */
279 return TRUE;
280 }
281
282 memset(packed, 0, sizeof packed);
283 for (i = 0; i < format_desc->block.height; ++i) {
284 for (j = 0; j < format_desc->block.width; ++j) {
285 for (k = 0; k < 4; ++k) {
286 unpacked[i][j][k] = (float) test->unpacked[i][j][k];
287 }
288 }
289 }
290
291 format_desc->pack_rgba_float(packed, 0,
292 &unpacked[0][0][0], sizeof unpacked[0],
293 format_desc->block.width, format_desc->block.height);
294
295 success = TRUE;
296 for (i = 0; i < format_desc->block.bits/8; ++i) {
297 if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
298 success = FALSE;
299 }
300
301 /* Ignore NaN */
302 if (util_is_double_nan(test->unpacked[0][0][0]))
303 success = TRUE;
304
305 if (!success) {
306 print_packed(format_desc, "FAILED: ", packed, " obtained\n");
307 print_packed(format_desc, " ", test->packed, " expected\n");
308 }
309
310 return success;
311 }
312
313
314 static boolean
convert_float_to_8unorm(uint8_t * dst,const double * src)315 convert_float_to_8unorm(uint8_t *dst, const double *src)
316 {
317 unsigned i;
318 boolean accurate = TRUE;
319
320 for (i = 0; i < UTIL_FORMAT_MAX_UNPACKED_HEIGHT*UTIL_FORMAT_MAX_UNPACKED_WIDTH*4; ++i) {
321 if (src[i] < 0.0) {
322 accurate = FALSE;
323 dst[i] = 0;
324 }
325 else if (src[i] > 1.0) {
326 accurate = FALSE;
327 dst[i] = 255;
328 }
329 else {
330 dst[i] = src[i] * 255.0;
331 }
332 }
333
334 return accurate;
335 }
336
337
338 static boolean
test_format_unpack_rgba_8unorm(const struct util_format_description * format_desc,const struct util_format_test_case * test)339 test_format_unpack_rgba_8unorm(const struct util_format_description *format_desc,
340 const struct util_format_test_case *test)
341 {
342 uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } };
343 uint8_t expected[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } };
344 unsigned i, j, k;
345 boolean success;
346
347 format_desc->unpack_rgba_8unorm(&unpacked[0][0][0], sizeof unpacked[0],
348 test->packed, 0,
349 format_desc->block.width, format_desc->block.height);
350
351 convert_float_to_8unorm(&expected[0][0][0], &test->unpacked[0][0][0]);
352
353 success = TRUE;
354 for (i = 0; i < format_desc->block.height; ++i) {
355 for (j = 0; j < format_desc->block.width; ++j) {
356 for (k = 0; k < 4; ++k) {
357 if (expected[i][j][k] != unpacked[i][j][k]) {
358 success = FALSE;
359 }
360 }
361 }
362 }
363
364 /* Ignore NaN */
365 if (util_is_double_nan(test->unpacked[0][0][0]))
366 success = TRUE;
367
368 if (!success) {
369 print_unpacked_rgba_8unorm(format_desc, "FAILED: ", unpacked, " obtained\n");
370 print_unpacked_rgba_8unorm(format_desc, " ", expected, " expected\n");
371 }
372
373 return success;
374 }
375
376
377 static boolean
test_format_pack_rgba_8unorm(const struct util_format_description * format_desc,const struct util_format_test_case * test)378 test_format_pack_rgba_8unorm(const struct util_format_description *format_desc,
379 const struct util_format_test_case *test)
380 {
381 uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4];
382 uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
383 unsigned i;
384 boolean success;
385
386 if (test->format == PIPE_FORMAT_DXT1_RGBA) {
387 /*
388 * Skip S3TC as packed representation is not canonical.
389 *
390 * TODO: Do a round trip conversion.
391 */
392 return TRUE;
393 }
394
395 if (!convert_float_to_8unorm(&unpacked[0][0][0], &test->unpacked[0][0][0])) {
396 /*
397 * Skip test cases which cannot be represented by four unorm bytes.
398 */
399 return TRUE;
400 }
401
402 memset(packed, 0, sizeof packed);
403
404 format_desc->pack_rgba_8unorm(packed, 0,
405 &unpacked[0][0][0], sizeof unpacked[0],
406 format_desc->block.width, format_desc->block.height);
407
408 success = TRUE;
409 for (i = 0; i < format_desc->block.bits/8; ++i)
410 if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
411 success = FALSE;
412
413 /* Ignore NaN */
414 if (util_is_double_nan(test->unpacked[0][0][0]))
415 success = TRUE;
416
417 /* Ignore failure cases due to unorm8 format */
418 if (test->unpacked[0][0][0] > 1.0f || test->unpacked[0][0][0] < 0.0f)
419 success = TRUE;
420
421 /* Multiple of 255 */
422 if ((test->unpacked[0][0][0] * 255.0) != (int)(test->unpacked[0][0][0] * 255.0))
423 success = TRUE;
424
425 if (!success) {
426 print_packed(format_desc, "FAILED: ", packed, " obtained\n");
427 print_packed(format_desc, " ", test->packed, " expected\n");
428 }
429
430 return success;
431 }
432
433
434 static boolean
test_format_unpack_z_float(const struct util_format_description * format_desc,const struct util_format_test_case * test)435 test_format_unpack_z_float(const struct util_format_description *format_desc,
436 const struct util_format_test_case *test)
437 {
438 float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
439 unsigned i, j;
440 boolean success;
441
442 format_desc->unpack_z_float(&unpacked[0][0], sizeof unpacked[0],
443 test->packed, 0,
444 format_desc->block.width, format_desc->block.height);
445
446 success = TRUE;
447 for (i = 0; i < format_desc->block.height; ++i) {
448 for (j = 0; j < format_desc->block.width; ++j) {
449 if (!compare_float(test->unpacked[i][j][0], unpacked[i][j])) {
450 success = FALSE;
451 }
452 }
453 }
454
455 if (!success) {
456 print_unpacked_z_float(format_desc, "FAILED: ", unpacked, " obtained\n");
457 print_unpacked_rgba_doubl(format_desc, " ", test->unpacked, " expected\n");
458 }
459
460 return success;
461 }
462
463
464 static boolean
test_format_pack_z_float(const struct util_format_description * format_desc,const struct util_format_test_case * test)465 test_format_pack_z_float(const struct util_format_description *format_desc,
466 const struct util_format_test_case *test)
467 {
468 float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH];
469 uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
470 unsigned i, j;
471 boolean success;
472
473 memset(packed, 0, sizeof packed);
474 for (i = 0; i < format_desc->block.height; ++i) {
475 for (j = 0; j < format_desc->block.width; ++j) {
476 unpacked[i][j] = (float) test->unpacked[i][j][0];
477 if (test->unpacked[i][j][1]) {
478 return TRUE;
479 }
480 }
481 }
482
483 format_desc->pack_z_float(packed, 0,
484 &unpacked[0][0], sizeof unpacked[0],
485 format_desc->block.width, format_desc->block.height);
486
487 success = TRUE;
488 for (i = 0; i < format_desc->block.bits/8; ++i)
489 if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
490 success = FALSE;
491
492 if (!success) {
493 print_packed(format_desc, "FAILED: ", packed, " obtained\n");
494 print_packed(format_desc, " ", test->packed, " expected\n");
495 }
496
497 return success;
498 }
499
500
501 static boolean
test_format_unpack_z_32unorm(const struct util_format_description * format_desc,const struct util_format_test_case * test)502 test_format_unpack_z_32unorm(const struct util_format_description *format_desc,
503 const struct util_format_test_case *test)
504 {
505 uint32_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
506 uint32_t expected[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
507 unsigned i, j;
508 boolean success;
509
510 format_desc->unpack_z_32unorm(&unpacked[0][0], sizeof unpacked[0],
511 test->packed, 0,
512 format_desc->block.width, format_desc->block.height);
513
514 for (i = 0; i < format_desc->block.height; ++i) {
515 for (j = 0; j < format_desc->block.width; ++j) {
516 expected[i][j] = test->unpacked[i][j][0] * 0xffffffff;
517 }
518 }
519
520 success = TRUE;
521 for (i = 0; i < format_desc->block.height; ++i) {
522 for (j = 0; j < format_desc->block.width; ++j) {
523 if (expected[i][j] != unpacked[i][j]) {
524 success = FALSE;
525 }
526 }
527 }
528
529 if (!success) {
530 print_unpacked_z_32unorm(format_desc, "FAILED: ", unpacked, " obtained\n");
531 print_unpacked_z_32unorm(format_desc, " ", expected, " expected\n");
532 }
533
534 return success;
535 }
536
537
538 static boolean
test_format_pack_z_32unorm(const struct util_format_description * format_desc,const struct util_format_test_case * test)539 test_format_pack_z_32unorm(const struct util_format_description *format_desc,
540 const struct util_format_test_case *test)
541 {
542 uint32_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH];
543 uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
544 unsigned i, j;
545 boolean success;
546
547 for (i = 0; i < format_desc->block.height; ++i) {
548 for (j = 0; j < format_desc->block.width; ++j) {
549 unpacked[i][j] = test->unpacked[i][j][0] * 0xffffffff;
550 if (test->unpacked[i][j][1]) {
551 return TRUE;
552 }
553 }
554 }
555
556 memset(packed, 0, sizeof packed);
557
558 format_desc->pack_z_32unorm(packed, 0,
559 &unpacked[0][0], sizeof unpacked[0],
560 format_desc->block.width, format_desc->block.height);
561
562 success = TRUE;
563 for (i = 0; i < format_desc->block.bits/8; ++i)
564 if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
565 success = FALSE;
566
567 if (!success) {
568 print_packed(format_desc, "FAILED: ", packed, " obtained\n");
569 print_packed(format_desc, " ", test->packed, " expected\n");
570 }
571
572 return success;
573 }
574
575
576 static boolean
test_format_unpack_s_8uint(const struct util_format_description * format_desc,const struct util_format_test_case * test)577 test_format_unpack_s_8uint(const struct util_format_description *format_desc,
578 const struct util_format_test_case *test)
579 {
580 uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
581 uint8_t expected[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
582 unsigned i, j;
583 boolean success;
584
585 format_desc->unpack_s_8uint(&unpacked[0][0], sizeof unpacked[0],
586 test->packed, 0,
587 format_desc->block.width, format_desc->block.height);
588
589 for (i = 0; i < format_desc->block.height; ++i) {
590 for (j = 0; j < format_desc->block.width; ++j) {
591 expected[i][j] = test->unpacked[i][j][1];
592 }
593 }
594
595 success = TRUE;
596 for (i = 0; i < format_desc->block.height; ++i) {
597 for (j = 0; j < format_desc->block.width; ++j) {
598 if (expected[i][j] != unpacked[i][j]) {
599 success = FALSE;
600 }
601 }
602 }
603
604 if (!success) {
605 print_unpacked_s_8uint(format_desc, "FAILED: ", unpacked, " obtained\n");
606 print_unpacked_s_8uint(format_desc, " ", expected, " expected\n");
607 }
608
609 return success;
610 }
611
612
613 static boolean
test_format_pack_s_8uint(const struct util_format_description * format_desc,const struct util_format_test_case * test)614 test_format_pack_s_8uint(const struct util_format_description *format_desc,
615 const struct util_format_test_case *test)
616 {
617 uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH];
618 uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
619 unsigned i, j;
620 boolean success;
621
622 for (i = 0; i < format_desc->block.height; ++i) {
623 for (j = 0; j < format_desc->block.width; ++j) {
624 unpacked[i][j] = test->unpacked[i][j][1];
625 if (test->unpacked[i][j][0]) {
626 return TRUE;
627 }
628 }
629 }
630
631 memset(packed, 0, sizeof packed);
632
633 format_desc->pack_s_8uint(packed, 0,
634 &unpacked[0][0], sizeof unpacked[0],
635 format_desc->block.width, format_desc->block.height);
636
637 success = TRUE;
638 for (i = 0; i < format_desc->block.bits/8; ++i)
639 if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
640 success = FALSE;
641
642 if (!success) {
643 print_packed(format_desc, "FAILED: ", packed, " obtained\n");
644 print_packed(format_desc, " ", test->packed, " expected\n");
645 }
646
647 return success;
648 }
649
650
651 typedef boolean
652 (*test_func_t)(const struct util_format_description *format_desc,
653 const struct util_format_test_case *test);
654
655
656 static boolean
test_one_func(const struct util_format_description * format_desc,test_func_t func,const char * suffix)657 test_one_func(const struct util_format_description *format_desc,
658 test_func_t func,
659 const char *suffix)
660 {
661 unsigned i;
662 boolean success = TRUE;
663
664 printf("Testing util_format_%s_%s ...\n",
665 format_desc->short_name, suffix);
666 fflush(stdout);
667
668 for (i = 0; i < util_format_nr_test_cases; ++i) {
669 const struct util_format_test_case *test = &util_format_test_cases[i];
670
671 if (test->format == format_desc->format) {
672 if (!func(format_desc, &util_format_test_cases[i])) {
673 success = FALSE;
674 }
675 }
676 }
677
678 return success;
679 }
680
681
682 static boolean
test_all(void)683 test_all(void)
684 {
685 enum pipe_format format;
686 boolean success = TRUE;
687
688 for (format = 1; format < PIPE_FORMAT_COUNT; ++format) {
689 const struct util_format_description *format_desc;
690
691 format_desc = util_format_description(format);
692 if (!format_desc) {
693 continue;
694 }
695
696 assert(format_desc->block.bits <= UTIL_FORMAT_MAX_PACKED_BYTES * 8);
697 assert(format_desc->block.height <= UTIL_FORMAT_MAX_UNPACKED_HEIGHT);
698 assert(format_desc->block.width <= UTIL_FORMAT_MAX_UNPACKED_WIDTH);
699
700 if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC &&
701 !util_format_s3tc_enabled) {
702 continue;
703 }
704
705 # define TEST_ONE_FUNC(name) \
706 if (format_desc->name) { \
707 if (!test_one_func(format_desc, &test_format_##name, #name)) { \
708 success = FALSE; \
709 } \
710 }
711
712 TEST_ONE_FUNC(fetch_rgba_float);
713 TEST_ONE_FUNC(pack_rgba_float);
714 TEST_ONE_FUNC(unpack_rgba_float);
715 TEST_ONE_FUNC(pack_rgba_8unorm);
716 TEST_ONE_FUNC(unpack_rgba_8unorm);
717
718 TEST_ONE_FUNC(unpack_z_32unorm);
719 TEST_ONE_FUNC(pack_z_32unorm);
720 TEST_ONE_FUNC(unpack_z_float);
721 TEST_ONE_FUNC(pack_z_float);
722 TEST_ONE_FUNC(unpack_s_8uint);
723 TEST_ONE_FUNC(pack_s_8uint);
724
725 # undef TEST_ONE_FUNC
726 }
727
728 return success;
729 }
730
731
main(int argc,char ** argv)732 int main(int argc, char **argv)
733 {
734 boolean success;
735
736 util_format_s3tc_init();
737
738 success = test_all();
739
740 return success ? 0 : 1;
741 }
742