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/**************************************************************************
*
* Copyright 2009-2010 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include "util/u_format.h"
#include "util/u_format_tests.h"
static boolean
test_format_fetch_float(const struct util_format_description *format_desc,
const struct util_format_test_case *test)
{
float unpacked[4];
unsigned i;
boolean success;
/*
* TODO: test block formats too.
*/
if (format_desc->block.width != 1 && format_desc->block.height != 1) {
return TRUE;
}
format_desc->fetch_float(unpacked, test->packed, 0, 0);
success = TRUE;
for (i = 0; i < 4; ++i)
if (test->unpacked[i] != unpacked[i])
success = FALSE;
if (!success) {
printf("FAILED: (%f %f %f %f) obtained\n", unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
printf(" (%f %f %f %f) expected\n", test->unpacked[0], test->unpacked[1], test->unpacked[2], test->unpacked[3]);
}
return success;
}
static boolean
test_format_unpack_float(const struct util_format_description *format_desc,
const struct util_format_test_case *test)
{
float unpacked[4];
unsigned i;
boolean success;
format_desc->unpack_float(unpacked, 0, test->packed, 0, 1, 1);
success = TRUE;
for (i = 0; i < 4; ++i)
if (test->unpacked[i] != unpacked[i])
success = FALSE;
if (!success) {
printf("FAILED: (%f %f %f %f) obtained\n", unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
printf(" (%f %f %f %f) expected\n", test->unpacked[0], test->unpacked[1], test->unpacked[2], test->unpacked[3]);
}
return success;
}
static boolean
test_format_pack_float(const struct util_format_description *format_desc,
const struct util_format_test_case *test)
{
float unpacked[4];
uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
unsigned i;
boolean success;
memset(packed, 0, sizeof packed);
for (i = 0; i < 4; ++i)
unpacked[i] = (float) test->unpacked[i];
format_desc->pack_float(packed, 0, unpacked, 0, 1, 1);
success = TRUE;
for (i = 0; i < UTIL_FORMAT_MAX_PACKED_BYTES; ++i)
if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
success = FALSE;
if (!success) {
/* TODO: print more than 4 bytes */
printf("FAILED: (%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x) obtained\n",
packed[0], packed[1], packed[2], packed[3],
packed[4], packed[5], packed[6], packed[7],
packed[8], packed[9], packed[10], packed[11],
packed[12], packed[13], packed[14], packed[15]);
printf(" (%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x) expected\n",
test->packed[0], test->packed[1], test->packed[2], test->packed[3],
test->packed[4], test->packed[5], test->packed[6], test->packed[7],
test->packed[8], test->packed[9], test->packed[10], test->packed[11],
test->packed[12], test->packed[13], test->packed[14], test->packed[15]);
}
return success;
}
static boolean
convert_float_to_8unorm(uint8_t *dst, const double *src)
{
unsigned i;
boolean accurate = TRUE;
for (i = 0; i < 4; ++i) {
if (src[i] < 0.0) {
accurate = FALSE;
dst[i] = 0;
}
else if (src[i] > 1.0) {
accurate = FALSE;
dst[i] = 255;
}
else {
dst[i] = src[i] * 255.0;
}
}
return accurate;
}
static boolean
test_format_unpack_8unorm(const struct util_format_description *format_desc,
const struct util_format_test_case *test)
{
uint8_t unpacked[4];
uint8_t expected[4];
unsigned i;
boolean success;
format_desc->unpack_8unorm(unpacked, 0, test->packed, 0, 1, 1);
convert_float_to_8unorm(expected, test->unpacked);
success = TRUE;
for (i = 0; i < 4; ++i)
if (expected[i] != unpacked[i])
success = FALSE;
if (!success) {
printf("FAILED: (0x%02x 0x%02x 0x%02x 0x%02x) obtained\n", unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
printf(" (0x%02x 0x%02x 0x%02x 0x%02x) expected\n", expected[0], expected[1], expected[2], expected[3]);
}
return success;
}
static boolean
test_format_pack_8unorm(const struct util_format_description *format_desc,
const struct util_format_test_case *test)
{
uint8_t unpacked[4];
uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
unsigned i;
boolean success;
if (!convert_float_to_8unorm(unpacked, test->unpacked)) {
/*
* Skip test cases which cannot be represented by four unorm bytes.
*/
return TRUE;
}
memset(packed, 0, sizeof packed);
format_desc->pack_8unorm(packed, 0, unpacked, 0, 1, 1);
success = TRUE;
for (i = 0; i < UTIL_FORMAT_MAX_PACKED_BYTES; ++i)
if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
success = FALSE;
if (!success) {
/* TODO: print more than 4 bytes */
printf("FAILED: (%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x) obtained\n",
packed[0], packed[1], packed[2], packed[3],
packed[4], packed[5], packed[6], packed[7],
packed[8], packed[9], packed[10], packed[11],
packed[12], packed[13], packed[14], packed[15]);
printf(" (%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x) expected\n",
test->packed[0], test->packed[1], test->packed[2], test->packed[3],
test->packed[4], test->packed[5], test->packed[6], test->packed[7],
test->packed[8], test->packed[9], test->packed[10], test->packed[11],
test->packed[12], test->packed[13], test->packed[14], test->packed[15]);
}
return success;
}
typedef boolean
(*test_func_t)(const struct util_format_description *format_desc,
const struct util_format_test_case *test);
static boolean
test_one(test_func_t func, const char *suffix)
{
enum pipe_format last_format = PIPE_FORMAT_NONE;
unsigned i;
bool success = TRUE;
for (i = 0; i < util_format_nr_test_cases; ++i) {
const struct util_format_test_case *test = &util_format_test_cases[i];
const struct util_format_description *format_desc;
format_desc = util_format_description(test->format);
if (test->format != last_format) {
printf("Testing util_format_%s_%s ...\n", format_desc->short_name, suffix);
last_format = test->format;
}
if (!func(format_desc, &util_format_test_cases[i]))
success = FALSE;
}
return success;
}
static boolean
test_all(void)
{
bool success = TRUE;
if (!test_one(&test_format_fetch_float, "fetch_float"))
success = FALSE;
if (!test_one(&test_format_pack_float, "pack_float"))
success = FALSE;
if (!test_one(&test_format_unpack_float, "unpack_float"))
success = FALSE;
if (!test_one(&test_format_pack_8unorm, "pack_8unorm"))
success = FALSE;
if (!test_one(&test_format_unpack_8unorm, "unpack_8unorm"))
success = FALSE;
return success;
}
int main(int argc, char **argv)
{
boolean success;
success = test_all();
return success ? 0 : 1;
}
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