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 /* Ignore S3TC errors */
224 if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
225 success = TRUE;
226 }
227
228 if (!success) {
229 print_unpacked_rgba_float(format_desc, "FAILED: ", unpacked, " obtained\n");
230 print_unpacked_rgba_doubl(format_desc, " ", test->unpacked, " expected\n");
231 }
232
233 return success;
234 }
235
236
237 static boolean
test_format_unpack_rgba_float(const struct util_format_description * format_desc,const struct util_format_test_case * test)238 test_format_unpack_rgba_float(const struct util_format_description *format_desc,
239 const struct util_format_test_case *test)
240 {
241 float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } };
242 unsigned i, j, k;
243 boolean success;
244
245 format_desc->unpack_rgba_float(&unpacked[0][0][0], sizeof unpacked[0],
246 test->packed, 0,
247 format_desc->block.width, format_desc->block.height);
248
249 success = TRUE;
250 for (i = 0; i < format_desc->block.height; ++i) {
251 for (j = 0; j < format_desc->block.width; ++j) {
252 for (k = 0; k < 4; ++k) {
253 if (!compare_float(test->unpacked[i][j][k], unpacked[i][j][k])) {
254 success = FALSE;
255 }
256 }
257 }
258 }
259
260 /* Ignore S3TC errors */
261 if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
262 success = TRUE;
263 }
264
265 if (!success) {
266 print_unpacked_rgba_float(format_desc, "FAILED: ", unpacked, " obtained\n");
267 print_unpacked_rgba_doubl(format_desc, " ", test->unpacked, " expected\n");
268 }
269
270 return success;
271 }
272
273
274 static boolean
test_format_pack_rgba_float(const struct util_format_description * format_desc,const struct util_format_test_case * test)275 test_format_pack_rgba_float(const struct util_format_description *format_desc,
276 const struct util_format_test_case *test)
277 {
278 float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4];
279 uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
280 unsigned i, j, k;
281 boolean success;
282
283 if (test->format == PIPE_FORMAT_DXT1_RGBA) {
284 /*
285 * Skip S3TC as packed representation is not canonical.
286 *
287 * TODO: Do a round trip conversion.
288 */
289 return TRUE;
290 }
291
292 memset(packed, 0, sizeof packed);
293 for (i = 0; i < format_desc->block.height; ++i) {
294 for (j = 0; j < format_desc->block.width; ++j) {
295 for (k = 0; k < 4; ++k) {
296 unpacked[i][j][k] = (float) test->unpacked[i][j][k];
297 }
298 }
299 }
300
301 format_desc->pack_rgba_float(packed, 0,
302 &unpacked[0][0][0], sizeof unpacked[0],
303 format_desc->block.width, format_desc->block.height);
304
305 success = TRUE;
306 for (i = 0; i < format_desc->block.bits/8; ++i) {
307 if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
308 success = FALSE;
309 }
310
311 /* Ignore NaN */
312 if (util_is_double_nan(test->unpacked[0][0][0]))
313 success = TRUE;
314
315 /* Ignore S3TC errors */
316 if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
317 success = TRUE;
318 }
319
320 if (!success) {
321 print_packed(format_desc, "FAILED: ", packed, " obtained\n");
322 print_packed(format_desc, " ", test->packed, " expected\n");
323 }
324
325 return success;
326 }
327
328
329 static boolean
convert_float_to_8unorm(uint8_t * dst,const double * src)330 convert_float_to_8unorm(uint8_t *dst, const double *src)
331 {
332 unsigned i;
333 boolean accurate = TRUE;
334
335 for (i = 0; i < UTIL_FORMAT_MAX_UNPACKED_HEIGHT*UTIL_FORMAT_MAX_UNPACKED_WIDTH*4; ++i) {
336 if (src[i] < 0.0) {
337 accurate = FALSE;
338 dst[i] = 0;
339 }
340 else if (src[i] > 1.0) {
341 accurate = FALSE;
342 dst[i] = 255;
343 }
344 else {
345 dst[i] = src[i] * 255.0;
346 }
347 }
348
349 return accurate;
350 }
351
352
353 static boolean
test_format_unpack_rgba_8unorm(const struct util_format_description * format_desc,const struct util_format_test_case * test)354 test_format_unpack_rgba_8unorm(const struct util_format_description *format_desc,
355 const struct util_format_test_case *test)
356 {
357 uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } };
358 uint8_t expected[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } };
359 unsigned i, j, k;
360 boolean success;
361
362 format_desc->unpack_rgba_8unorm(&unpacked[0][0][0], sizeof unpacked[0],
363 test->packed, 0,
364 format_desc->block.width, format_desc->block.height);
365
366 convert_float_to_8unorm(&expected[0][0][0], &test->unpacked[0][0][0]);
367
368 success = TRUE;
369 for (i = 0; i < format_desc->block.height; ++i) {
370 for (j = 0; j < format_desc->block.width; ++j) {
371 for (k = 0; k < 4; ++k) {
372 if (expected[i][j][k] != unpacked[i][j][k]) {
373 success = FALSE;
374 }
375 }
376 }
377 }
378
379 /* Ignore NaN */
380 if (util_is_double_nan(test->unpacked[0][0][0]))
381 success = TRUE;
382
383 /* Ignore S3TC errors */
384 if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
385 success = TRUE;
386 }
387
388 if (!success) {
389 print_unpacked_rgba_8unorm(format_desc, "FAILED: ", unpacked, " obtained\n");
390 print_unpacked_rgba_8unorm(format_desc, " ", expected, " expected\n");
391 }
392
393 return success;
394 }
395
396
397 static boolean
test_format_pack_rgba_8unorm(const struct util_format_description * format_desc,const struct util_format_test_case * test)398 test_format_pack_rgba_8unorm(const struct util_format_description *format_desc,
399 const struct util_format_test_case *test)
400 {
401 uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4];
402 uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
403 unsigned i;
404 boolean success;
405
406 if (test->format == PIPE_FORMAT_DXT1_RGBA) {
407 /*
408 * Skip S3TC as packed representation is not canonical.
409 *
410 * TODO: Do a round trip conversion.
411 */
412 return TRUE;
413 }
414
415 if (!convert_float_to_8unorm(&unpacked[0][0][0], &test->unpacked[0][0][0])) {
416 /*
417 * Skip test cases which cannot be represented by four unorm bytes.
418 */
419 return TRUE;
420 }
421
422 memset(packed, 0, sizeof packed);
423
424 format_desc->pack_rgba_8unorm(packed, 0,
425 &unpacked[0][0][0], sizeof unpacked[0],
426 format_desc->block.width, format_desc->block.height);
427
428 success = TRUE;
429 for (i = 0; i < format_desc->block.bits/8; ++i)
430 if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
431 success = FALSE;
432
433 /* Ignore NaN */
434 if (util_is_double_nan(test->unpacked[0][0][0]))
435 success = TRUE;
436
437 /* Ignore failure cases due to unorm8 format */
438 if (test->unpacked[0][0][0] > 1.0f || test->unpacked[0][0][0] < 0.0f)
439 success = TRUE;
440
441 /* Multiple of 255 */
442 if ((test->unpacked[0][0][0] * 255.0) != (int)(test->unpacked[0][0][0] * 255.0))
443 success = TRUE;
444
445 /* Ignore S3TC errors */
446 if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
447 success = TRUE;
448 }
449
450 if (!success) {
451 print_packed(format_desc, "FAILED: ", packed, " obtained\n");
452 print_packed(format_desc, " ", test->packed, " expected\n");
453 }
454
455 return success;
456 }
457
458
459 static boolean
test_format_unpack_z_float(const struct util_format_description * format_desc,const struct util_format_test_case * test)460 test_format_unpack_z_float(const struct util_format_description *format_desc,
461 const struct util_format_test_case *test)
462 {
463 float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
464 unsigned i, j;
465 boolean success;
466
467 format_desc->unpack_z_float(&unpacked[0][0], sizeof unpacked[0],
468 test->packed, 0,
469 format_desc->block.width, format_desc->block.height);
470
471 success = TRUE;
472 for (i = 0; i < format_desc->block.height; ++i) {
473 for (j = 0; j < format_desc->block.width; ++j) {
474 if (!compare_float(test->unpacked[i][j][0], unpacked[i][j])) {
475 success = FALSE;
476 }
477 }
478 }
479
480 if (!success) {
481 print_unpacked_z_float(format_desc, "FAILED: ", unpacked, " obtained\n");
482 print_unpacked_rgba_doubl(format_desc, " ", test->unpacked, " expected\n");
483 }
484
485 return success;
486 }
487
488
489 static boolean
test_format_pack_z_float(const struct util_format_description * format_desc,const struct util_format_test_case * test)490 test_format_pack_z_float(const struct util_format_description *format_desc,
491 const struct util_format_test_case *test)
492 {
493 float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH];
494 uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
495 unsigned i, j;
496 boolean success;
497
498 memset(packed, 0, sizeof packed);
499 for (i = 0; i < format_desc->block.height; ++i) {
500 for (j = 0; j < format_desc->block.width; ++j) {
501 unpacked[i][j] = (float) test->unpacked[i][j][0];
502 if (test->unpacked[i][j][1]) {
503 return TRUE;
504 }
505 }
506 }
507
508 format_desc->pack_z_float(packed, 0,
509 &unpacked[0][0], sizeof unpacked[0],
510 format_desc->block.width, format_desc->block.height);
511
512 success = TRUE;
513 for (i = 0; i < format_desc->block.bits/8; ++i)
514 if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
515 success = FALSE;
516
517 if (!success) {
518 print_packed(format_desc, "FAILED: ", packed, " obtained\n");
519 print_packed(format_desc, " ", test->packed, " expected\n");
520 }
521
522 return success;
523 }
524
525
526 static boolean
test_format_unpack_z_32unorm(const struct util_format_description * format_desc,const struct util_format_test_case * test)527 test_format_unpack_z_32unorm(const struct util_format_description *format_desc,
528 const struct util_format_test_case *test)
529 {
530 uint32_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
531 uint32_t expected[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
532 unsigned i, j;
533 boolean success;
534
535 format_desc->unpack_z_32unorm(&unpacked[0][0], sizeof unpacked[0],
536 test->packed, 0,
537 format_desc->block.width, format_desc->block.height);
538
539 for (i = 0; i < format_desc->block.height; ++i) {
540 for (j = 0; j < format_desc->block.width; ++j) {
541 expected[i][j] = test->unpacked[i][j][0] * 0xffffffff;
542 }
543 }
544
545 success = TRUE;
546 for (i = 0; i < format_desc->block.height; ++i) {
547 for (j = 0; j < format_desc->block.width; ++j) {
548 if (expected[i][j] != unpacked[i][j]) {
549 success = FALSE;
550 }
551 }
552 }
553
554 if (!success) {
555 print_unpacked_z_32unorm(format_desc, "FAILED: ", unpacked, " obtained\n");
556 print_unpacked_z_32unorm(format_desc, " ", expected, " expected\n");
557 }
558
559 return success;
560 }
561
562
563 static boolean
test_format_pack_z_32unorm(const struct util_format_description * format_desc,const struct util_format_test_case * test)564 test_format_pack_z_32unorm(const struct util_format_description *format_desc,
565 const struct util_format_test_case *test)
566 {
567 uint32_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH];
568 uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
569 unsigned i, j;
570 boolean success;
571
572 for (i = 0; i < format_desc->block.height; ++i) {
573 for (j = 0; j < format_desc->block.width; ++j) {
574 unpacked[i][j] = test->unpacked[i][j][0] * 0xffffffff;
575 if (test->unpacked[i][j][1]) {
576 return TRUE;
577 }
578 }
579 }
580
581 memset(packed, 0, sizeof packed);
582
583 format_desc->pack_z_32unorm(packed, 0,
584 &unpacked[0][0], sizeof unpacked[0],
585 format_desc->block.width, format_desc->block.height);
586
587 success = TRUE;
588 for (i = 0; i < format_desc->block.bits/8; ++i)
589 if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
590 success = FALSE;
591
592 if (!success) {
593 print_packed(format_desc, "FAILED: ", packed, " obtained\n");
594 print_packed(format_desc, " ", test->packed, " expected\n");
595 }
596
597 return success;
598 }
599
600
601 static boolean
test_format_unpack_s_8uint(const struct util_format_description * format_desc,const struct util_format_test_case * test)602 test_format_unpack_s_8uint(const struct util_format_description *format_desc,
603 const struct util_format_test_case *test)
604 {
605 uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
606 uint8_t expected[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
607 unsigned i, j;
608 boolean success;
609
610 format_desc->unpack_s_8uint(&unpacked[0][0], sizeof unpacked[0],
611 test->packed, 0,
612 format_desc->block.width, format_desc->block.height);
613
614 for (i = 0; i < format_desc->block.height; ++i) {
615 for (j = 0; j < format_desc->block.width; ++j) {
616 expected[i][j] = test->unpacked[i][j][1];
617 }
618 }
619
620 success = TRUE;
621 for (i = 0; i < format_desc->block.height; ++i) {
622 for (j = 0; j < format_desc->block.width; ++j) {
623 if (expected[i][j] != unpacked[i][j]) {
624 success = FALSE;
625 }
626 }
627 }
628
629 if (!success) {
630 print_unpacked_s_8uint(format_desc, "FAILED: ", unpacked, " obtained\n");
631 print_unpacked_s_8uint(format_desc, " ", expected, " expected\n");
632 }
633
634 return success;
635 }
636
637
638 static boolean
test_format_pack_s_8uint(const struct util_format_description * format_desc,const struct util_format_test_case * test)639 test_format_pack_s_8uint(const struct util_format_description *format_desc,
640 const struct util_format_test_case *test)
641 {
642 uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH];
643 uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
644 unsigned i, j;
645 boolean success;
646
647 for (i = 0; i < format_desc->block.height; ++i) {
648 for (j = 0; j < format_desc->block.width; ++j) {
649 unpacked[i][j] = test->unpacked[i][j][1];
650 if (test->unpacked[i][j][0]) {
651 return TRUE;
652 }
653 }
654 }
655
656 memset(packed, 0, sizeof packed);
657
658 format_desc->pack_s_8uint(packed, 0,
659 &unpacked[0][0], sizeof unpacked[0],
660 format_desc->block.width, format_desc->block.height);
661
662 success = TRUE;
663 for (i = 0; i < format_desc->block.bits/8; ++i)
664 if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
665 success = FALSE;
666
667 if (!success) {
668 print_packed(format_desc, "FAILED: ", packed, " obtained\n");
669 print_packed(format_desc, " ", test->packed, " expected\n");
670 }
671
672 return success;
673 }
674
675
676 typedef boolean
677 (*test_func_t)(const struct util_format_description *format_desc,
678 const struct util_format_test_case *test);
679
680
681 static boolean
test_one_func(const struct util_format_description * format_desc,test_func_t func,const char * suffix)682 test_one_func(const struct util_format_description *format_desc,
683 test_func_t func,
684 const char *suffix)
685 {
686 unsigned i;
687 boolean success = TRUE;
688
689 printf("Testing util_format_%s_%s ...\n",
690 format_desc->short_name, suffix);
691 fflush(stdout);
692
693 for (i = 0; i < util_format_nr_test_cases; ++i) {
694 const struct util_format_test_case *test = &util_format_test_cases[i];
695
696 if (test->format == format_desc->format) {
697 if (!func(format_desc, &util_format_test_cases[i])) {
698 success = FALSE;
699 }
700 }
701 }
702
703 return success;
704 }
705
706
707 static boolean
test_all(void)708 test_all(void)
709 {
710 enum pipe_format format;
711 boolean success = TRUE;
712
713 for (format = 1; format < PIPE_FORMAT_COUNT; ++format) {
714 const struct util_format_description *format_desc;
715
716 format_desc = util_format_description(format);
717 if (!format_desc) {
718 continue;
719 }
720
721 assert(format_desc->block.bits <= UTIL_FORMAT_MAX_PACKED_BYTES * 8);
722 assert(format_desc->block.height <= UTIL_FORMAT_MAX_UNPACKED_HEIGHT);
723 assert(format_desc->block.width <= UTIL_FORMAT_MAX_UNPACKED_WIDTH);
724
725 # define TEST_ONE_FUNC(name) \
726 if (format_desc->name) { \
727 if (!test_one_func(format_desc, &test_format_##name, #name)) { \
728 success = FALSE; \
729 } \
730 }
731
732 TEST_ONE_FUNC(fetch_rgba_float);
733 TEST_ONE_FUNC(pack_rgba_float);
734 TEST_ONE_FUNC(unpack_rgba_float);
735 TEST_ONE_FUNC(pack_rgba_8unorm);
736 TEST_ONE_FUNC(unpack_rgba_8unorm);
737
738 TEST_ONE_FUNC(unpack_z_32unorm);
739 TEST_ONE_FUNC(pack_z_32unorm);
740 TEST_ONE_FUNC(unpack_z_float);
741 TEST_ONE_FUNC(pack_z_float);
742 TEST_ONE_FUNC(unpack_s_8uint);
743 TEST_ONE_FUNC(pack_s_8uint);
744
745 # undef TEST_ONE_FUNC
746 }
747
748 return success;
749 }
750
751
main(int argc,char ** argv)752 int main(int argc, char **argv)
753 {
754 boolean success;
755
756 success = test_all();
757
758 return success ? 0 : 1;
759 }
760