1 /**************************************************************************
3 * Copyright 2009-2010 VMware, Inc.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
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"
40 compare_float(float x
, float y
)
47 if (error
> FLT_EPSILON
) {
56 print_packed(const struct util_format_description
*format_desc
,
58 const uint8_t *packed
,
65 for (i
= 0; i
< format_desc
->block
.bits
/8; ++i
) {
66 printf("%s%02x", sep
, packed
[i
]);
75 print_unpacked_rgba_doubl(const struct util_format_description
*format_desc
,
77 const double unpacked
[UTIL_FORMAT_MAX_UNPACKED_HEIGHT
][UTIL_FORMAT_MAX_UNPACKED_WIDTH
][4],
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]);
97 print_unpacked_rgba_float(const struct util_format_description
*format_desc
,
99 float unpacked
[UTIL_FORMAT_MAX_UNPACKED_HEIGHT
][UTIL_FORMAT_MAX_UNPACKED_WIDTH
][4],
103 const char *sep
= "";
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]);
113 printf("%s", suffix
);
119 print_unpacked_rgba_8unorm(const struct util_format_description
*format_desc
,
121 uint8_t unpacked
[UTIL_FORMAT_MAX_UNPACKED_HEIGHT
][UTIL_FORMAT_MAX_UNPACKED_WIDTH
][4],
125 const char *sep
= "";
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]);
134 printf("%s", suffix
);
140 print_unpacked_z_float(const struct util_format_description
*format_desc
,
142 float unpacked
[UTIL_FORMAT_MAX_UNPACKED_HEIGHT
][UTIL_FORMAT_MAX_UNPACKED_WIDTH
],
146 const char *sep
= "";
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
]);
156 printf("%s", suffix
);
162 print_unpacked_z_32unorm(const struct util_format_description
*format_desc
,
164 uint32_t unpacked
[UTIL_FORMAT_MAX_UNPACKED_HEIGHT
][UTIL_FORMAT_MAX_UNPACKED_WIDTH
],
168 const char *sep
= "";
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
]);
177 printf("%s", suffix
);
183 print_unpacked_s_8uint(const struct util_format_description
*format_desc
,
185 uint8_t unpacked
[UTIL_FORMAT_MAX_UNPACKED_HEIGHT
][UTIL_FORMAT_MAX_UNPACKED_WIDTH
],
189 const char *sep
= "";
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
]);
198 printf("%s", suffix
);
204 test_format_fetch_rgba_float(const struct util_format_description
*format_desc
,
205 const struct util_format_test_case
*test
)
207 float unpacked
[UTIL_FORMAT_MAX_UNPACKED_HEIGHT
][UTIL_FORMAT_MAX_UNPACKED_WIDTH
][4] = { { { 0 } } };
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
])) {
224 print_unpacked_rgba_float(format_desc
, "FAILED: ", unpacked
, " obtained\n");
225 print_unpacked_rgba_doubl(format_desc
, " ", test
->unpacked
, " expected\n");
233 test_format_unpack_rgba_float(const struct util_format_description
*format_desc
,
234 const struct util_format_test_case
*test
)
236 float unpacked
[UTIL_FORMAT_MAX_UNPACKED_HEIGHT
][UTIL_FORMAT_MAX_UNPACKED_WIDTH
][4] = { { { 0 } } };
240 format_desc
->unpack_rgba_float(&unpacked
[0][0][0], sizeof unpacked
[0],
242 format_desc
->block
.width
, format_desc
->block
.height
);
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
])) {
256 print_unpacked_rgba_float(format_desc
, "FAILED: ", unpacked
, " obtained\n");
257 print_unpacked_rgba_doubl(format_desc
, " ", test
->unpacked
, " expected\n");
265 test_format_pack_rgba_float(const struct util_format_description
*format_desc
,
266 const struct util_format_test_case
*test
)
268 float unpacked
[UTIL_FORMAT_MAX_UNPACKED_HEIGHT
][UTIL_FORMAT_MAX_UNPACKED_WIDTH
][4];
269 uint8_t packed
[UTIL_FORMAT_MAX_PACKED_BYTES
];
273 if (test
->format
== PIPE_FORMAT_DXT1_RGBA
) {
275 * Skip S3TC as packed representation is not canonical.
277 * TODO: Do a round trip conversion.
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
];
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
);
296 for (i
= 0; i
< format_desc
->block
.bits
/8; ++i
) {
297 if ((test
->packed
[i
] & test
->mask
[i
]) != (packed
[i
] & test
->mask
[i
]))
302 if (util_is_double_nan(test
->unpacked
[0][0][0]))
306 print_packed(format_desc
, "FAILED: ", packed
, " obtained\n");
307 print_packed(format_desc
, " ", test
->packed
, " expected\n");
315 convert_float_to_8unorm(uint8_t *dst
, const double *src
)
318 boolean accurate
= TRUE
;
320 for (i
= 0; i
< UTIL_FORMAT_MAX_UNPACKED_HEIGHT
*UTIL_FORMAT_MAX_UNPACKED_WIDTH
*4; ++i
) {
325 else if (src
[i
] > 1.0) {
330 dst
[i
] = src
[i
] * 255.0;
339 test_format_unpack_rgba_8unorm(const struct util_format_description
*format_desc
,
340 const struct util_format_test_case
*test
)
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 } } };
347 format_desc
->unpack_rgba_8unorm(&unpacked
[0][0][0], sizeof unpacked
[0],
349 format_desc
->block
.width
, format_desc
->block
.height
);
351 convert_float_to_8unorm(&expected
[0][0][0], &test
->unpacked
[0][0][0]);
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
]) {
365 if (util_is_double_nan(test
->unpacked
[0][0][0]))
369 print_unpacked_rgba_8unorm(format_desc
, "FAILED: ", unpacked
, " obtained\n");
370 print_unpacked_rgba_8unorm(format_desc
, " ", expected
, " expected\n");
378 test_format_pack_rgba_8unorm(const struct util_format_description
*format_desc
,
379 const struct util_format_test_case
*test
)
381 uint8_t unpacked
[UTIL_FORMAT_MAX_UNPACKED_HEIGHT
][UTIL_FORMAT_MAX_UNPACKED_WIDTH
][4];
382 uint8_t packed
[UTIL_FORMAT_MAX_PACKED_BYTES
];
386 if (test
->format
== PIPE_FORMAT_DXT1_RGBA
) {
388 * Skip S3TC as packed representation is not canonical.
390 * TODO: Do a round trip conversion.
395 if (!convert_float_to_8unorm(&unpacked
[0][0][0], &test
->unpacked
[0][0][0])) {
397 * Skip test cases which cannot be represented by four unorm bytes.
402 memset(packed
, 0, sizeof packed
);
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
);
409 for (i
= 0; i
< format_desc
->block
.bits
/8; ++i
)
410 if ((test
->packed
[i
] & test
->mask
[i
]) != (packed
[i
] & test
->mask
[i
]))
414 if (util_is_double_nan(test
->unpacked
[0][0][0]))
417 /* Ignore failure cases due to unorm8 format */
418 if (test
->unpacked
[0][0][0] > 1.0f
|| test
->unpacked
[0][0][0] < 0.0f
)
421 /* Multiple of 255 */
422 if ((test
->unpacked
[0][0][0] * 255.0) != (int)(test
->unpacked
[0][0][0] * 255.0))
426 print_packed(format_desc
, "FAILED: ", packed
, " obtained\n");
427 print_packed(format_desc
, " ", test
->packed
, " expected\n");
435 test_format_unpack_z_float(const struct util_format_description
*format_desc
,
436 const struct util_format_test_case
*test
)
438 float unpacked
[UTIL_FORMAT_MAX_UNPACKED_HEIGHT
][UTIL_FORMAT_MAX_UNPACKED_WIDTH
] = { { 0 } };
442 format_desc
->unpack_z_float(&unpacked
[0][0], sizeof unpacked
[0],
444 format_desc
->block
.width
, format_desc
->block
.height
);
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
])) {
456 print_unpacked_z_float(format_desc
, "FAILED: ", unpacked
, " obtained\n");
457 print_unpacked_rgba_doubl(format_desc
, " ", test
->unpacked
, " expected\n");
465 test_format_pack_z_float(const struct util_format_description
*format_desc
,
466 const struct util_format_test_case
*test
)
468 float unpacked
[UTIL_FORMAT_MAX_UNPACKED_HEIGHT
][UTIL_FORMAT_MAX_UNPACKED_WIDTH
];
469 uint8_t packed
[UTIL_FORMAT_MAX_PACKED_BYTES
];
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]) {
483 format_desc
->pack_z_float(packed
, 0,
484 &unpacked
[0][0], sizeof unpacked
[0],
485 format_desc
->block
.width
, format_desc
->block
.height
);
488 for (i
= 0; i
< format_desc
->block
.bits
/8; ++i
)
489 if ((test
->packed
[i
] & test
->mask
[i
]) != (packed
[i
] & test
->mask
[i
]))
493 print_packed(format_desc
, "FAILED: ", packed
, " obtained\n");
494 print_packed(format_desc
, " ", test
->packed
, " expected\n");
502 test_format_unpack_z_32unorm(const struct util_format_description
*format_desc
,
503 const struct util_format_test_case
*test
)
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 } };
510 format_desc
->unpack_z_32unorm(&unpacked
[0][0], sizeof unpacked
[0],
512 format_desc
->block
.width
, format_desc
->block
.height
);
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;
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
]) {
530 print_unpacked_z_32unorm(format_desc
, "FAILED: ", unpacked
, " obtained\n");
531 print_unpacked_z_32unorm(format_desc
, " ", expected
, " expected\n");
539 test_format_pack_z_32unorm(const struct util_format_description
*format_desc
,
540 const struct util_format_test_case
*test
)
542 uint32_t unpacked
[UTIL_FORMAT_MAX_UNPACKED_HEIGHT
][UTIL_FORMAT_MAX_UNPACKED_WIDTH
];
543 uint8_t packed
[UTIL_FORMAT_MAX_PACKED_BYTES
];
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]) {
556 memset(packed
, 0, sizeof packed
);
558 format_desc
->pack_z_32unorm(packed
, 0,
559 &unpacked
[0][0], sizeof unpacked
[0],
560 format_desc
->block
.width
, format_desc
->block
.height
);
563 for (i
= 0; i
< format_desc
->block
.bits
/8; ++i
)
564 if ((test
->packed
[i
] & test
->mask
[i
]) != (packed
[i
] & test
->mask
[i
]))
568 print_packed(format_desc
, "FAILED: ", packed
, " obtained\n");
569 print_packed(format_desc
, " ", test
->packed
, " expected\n");
577 test_format_unpack_s_8uint(const struct util_format_description
*format_desc
,
578 const struct util_format_test_case
*test
)
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 } };
585 format_desc
->unpack_s_8uint(&unpacked
[0][0], sizeof unpacked
[0],
587 format_desc
->block
.width
, format_desc
->block
.height
);
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];
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
]) {
605 print_unpacked_s_8uint(format_desc
, "FAILED: ", unpacked
, " obtained\n");
606 print_unpacked_s_8uint(format_desc
, " ", expected
, " expected\n");
614 test_format_pack_s_8uint(const struct util_format_description
*format_desc
,
615 const struct util_format_test_case
*test
)
617 uint8_t unpacked
[UTIL_FORMAT_MAX_UNPACKED_HEIGHT
][UTIL_FORMAT_MAX_UNPACKED_WIDTH
];
618 uint8_t packed
[UTIL_FORMAT_MAX_PACKED_BYTES
];
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]) {
631 memset(packed
, 0, sizeof packed
);
633 format_desc
->pack_s_8uint(packed
, 0,
634 &unpacked
[0][0], sizeof unpacked
[0],
635 format_desc
->block
.width
, format_desc
->block
.height
);
638 for (i
= 0; i
< format_desc
->block
.bits
/8; ++i
)
639 if ((test
->packed
[i
] & test
->mask
[i
]) != (packed
[i
] & test
->mask
[i
]))
643 print_packed(format_desc
, "FAILED: ", packed
, " obtained\n");
644 print_packed(format_desc
, " ", test
->packed
, " expected\n");
652 (*test_func_t
)(const struct util_format_description
*format_desc
,
653 const struct util_format_test_case
*test
);
657 test_one_func(const struct util_format_description
*format_desc
,
662 boolean success
= TRUE
;
664 printf("Testing util_format_%s_%s ...\n",
665 format_desc
->short_name
, suffix
);
668 for (i
= 0; i
< util_format_nr_test_cases
; ++i
) {
669 const struct util_format_test_case
*test
= &util_format_test_cases
[i
];
671 if (test
->format
== format_desc
->format
) {
672 if (!func(format_desc
, &util_format_test_cases
[i
])) {
685 enum pipe_format format
;
686 boolean success
= TRUE
;
688 for (format
= 1; format
< PIPE_FORMAT_COUNT
; ++format
) {
689 const struct util_format_description
*format_desc
;
691 format_desc
= util_format_description(format
);
696 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
&&
697 !util_format_s3tc_enabled
) {
701 # define TEST_ONE_FUNC(name) \
702 if (format_desc->name) { \
703 if (!test_one_func(format_desc, &test_format_##name, #name)) { \
708 TEST_ONE_FUNC(fetch_rgba_float
);
709 TEST_ONE_FUNC(pack_rgba_float
);
710 TEST_ONE_FUNC(unpack_rgba_float
);
711 TEST_ONE_FUNC(pack_rgba_8unorm
);
712 TEST_ONE_FUNC(unpack_rgba_8unorm
);
714 TEST_ONE_FUNC(unpack_z_32unorm
);
715 TEST_ONE_FUNC(pack_z_32unorm
);
716 TEST_ONE_FUNC(unpack_z_float
);
717 TEST_ONE_FUNC(pack_z_float
);
718 TEST_ONE_FUNC(unpack_s_8uint
);
719 TEST_ONE_FUNC(pack_s_8uint
);
721 # undef TEST_ONE_FUNC
728 int main(int argc
, char **argv
)
732 util_format_s3tc_init();
734 success
= test_all();
736 return success
? 0 : 1;