diff options
Diffstat (limited to 'src/gallium/tests')
-rw-r--r-- | src/gallium/tests/unit/u_format_test.c | 716 |
1 files changed, 716 insertions, 0 deletions
diff --git a/src/gallium/tests/unit/u_format_test.c b/src/gallium/tests/unit/u_format_test.c new file mode 100644 index 00000000000..f831e5dd754 --- /dev/null +++ b/src/gallium/tests/unit/u_format_test.c @@ -0,0 +1,716 @@ +/************************************************************************** + * + * 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 <float.h> + +#include "util/u_half.h" +#include "util/u_format.h" +#include "util/u_format_tests.h" +#include "util/u_format_s3tc.h" + + +static boolean +compare_float(float x, float y) +{ + float error = y - x; + + if (error < 0.0f) + error = -error; + + if (error > FLT_EPSILON) { + return FALSE; + } + + return TRUE; +} + + +static void +print_packed(const struct util_format_description *format_desc, + const char *prefix, + const uint8_t *packed, + const char *suffix) +{ + unsigned i; + const char *sep = ""; + + printf("%s", prefix); + for (i = 0; i < format_desc->block.bits/8; ++i) { + printf("%s%02x", sep, packed[i]); + sep = " "; + } + printf("%s", suffix); + fflush(stdout); +} + + +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) +{ + unsigned i, j; + const char *sep = ""; + + printf("%s", prefix); + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + printf("%s{%f, %f, %f, %f}", sep, unpacked[i][j][0], unpacked[i][j][1], unpacked[i][j][2], unpacked[i][j][3]); + sep = ", "; + } + sep = ",\n"; + } + printf("%s", suffix); + fflush(stdout); +} + + +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) +{ + unsigned i, j; + const char *sep = ""; + + printf("%s", prefix); + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + printf("%s{%f, %f, %f, %f}", sep, unpacked[i][j][0], unpacked[i][j][1], unpacked[i][j][2], unpacked[i][j][3]); + sep = ", "; + } + sep = ",\n"; + } + printf("%s", suffix); + fflush(stdout); +} + + +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) +{ + unsigned i, j; + const char *sep = ""; + + printf("%s", prefix); + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + 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]); + sep = ", "; + } + } + printf("%s", suffix); + fflush(stdout); +} + + +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) +{ + unsigned i, j; + const char *sep = ""; + + printf("%s", prefix); + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + printf("%s%f", sep, unpacked[i][j]); + sep = ", "; + } + sep = ",\n"; + } + printf("%s", suffix); + fflush(stdout); +} + + +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) +{ + unsigned i, j; + const char *sep = ""; + + printf("%s", prefix); + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + printf("%s0x%08x", sep, unpacked[i][j]); + sep = ", "; + } + } + printf("%s", suffix); + fflush(stdout); +} + + +static void +print_unpacked_s_8uscaled(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) +{ + unsigned i, j; + const char *sep = ""; + + printf("%s", prefix); + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + printf("%s0x%02x", sep, unpacked[i][j]); + sep = ", "; + } + } + printf("%s", suffix); + fflush(stdout); +} + + +static boolean +test_format_fetch_rgba_float(const struct util_format_description *format_desc, + const struct util_format_test_case *test) +{ + float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } }; + unsigned i, j, k; + boolean success; + + success = TRUE; + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + format_desc->fetch_rgba_float(unpacked[i][j], test->packed, j, i); + for (k = 0; k < 4; ++k) { + if (!compare_float(test->unpacked[i][j][k], unpacked[i][j][k])) { + success = FALSE; + } + } + } + } + + if (!success) { + print_unpacked_rgba_float(format_desc, "FAILED: ", unpacked, " obtained\n"); + print_unpacked_rgba_doubl(format_desc, " ", test->unpacked, " expected\n"); + } + + return success; +} + + +static boolean +test_format_unpack_rgba_float(const struct util_format_description *format_desc, + const struct util_format_test_case *test) +{ + float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } }; + unsigned i, j, k; + boolean success; + + format_desc->unpack_rgba_float(&unpacked[0][0][0], sizeof unpacked[0], + test->packed, 0, + format_desc->block.width, format_desc->block.height); + + success = TRUE; + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + for (k = 0; k < 4; ++k) { + if (!compare_float(test->unpacked[i][j][k], unpacked[i][j][k])) { + success = FALSE; + } + } + } + } + + if (!success) { + print_unpacked_rgba_float(format_desc, "FAILED: ", unpacked, " obtained\n"); + print_unpacked_rgba_doubl(format_desc, " ", test->unpacked, " expected\n"); + } + + return success; +} + + +static boolean +test_format_pack_rgba_float(const struct util_format_description *format_desc, + const struct util_format_test_case *test) +{ + float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4]; + uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES]; + unsigned i, j, k; + boolean success; + + if (test->format == PIPE_FORMAT_DXT1_RGBA) { + /* + * Skip S3TC as packed representation is not canonical. + * + * TODO: Do a round trip conversion. + */ + return TRUE; + } + + memset(packed, 0, sizeof packed); + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + for (k = 0; k < 4; ++k) { + unpacked[i][j][k] = (float) test->unpacked[i][j][k]; + } + } + } + + format_desc->pack_rgba_float(packed, 0, + &unpacked[0][0][0], sizeof unpacked[0], + format_desc->block.width, format_desc->block.height); + + success = TRUE; + for (i = 0; i < format_desc->block.bits/8; ++i) + if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i])) + success = FALSE; + + if (!success) { + print_packed(format_desc, "FAILED: ", packed, " obtained\n"); + print_packed(format_desc, " ", test->packed, " expected\n"); + } + + return success; +} + + +static boolean +convert_float_to_8unorm(uint8_t *dst, const double *src) +{ + unsigned i; + boolean accurate = TRUE; + + for (i = 0; i < UTIL_FORMAT_MAX_UNPACKED_HEIGHT*UTIL_FORMAT_MAX_UNPACKED_WIDTH*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_rgba_8unorm(const struct util_format_description *format_desc, + const struct util_format_test_case *test) +{ + uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } }; + uint8_t expected[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } }; + unsigned i, j, k; + boolean success; + + format_desc->unpack_rgba_8unorm(&unpacked[0][0][0], sizeof unpacked[0], + test->packed, 0, + format_desc->block.width, format_desc->block.height); + + convert_float_to_8unorm(&expected[0][0][0], &test->unpacked[0][0][0]); + + success = TRUE; + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + for (k = 0; k < 4; ++k) { + if (expected[i][j][k] != unpacked[i][j][k]) { + success = FALSE; + } + } + } + } + + if (!success) { + print_unpacked_rgba_8unorm(format_desc, "FAILED: ", unpacked, " obtained\n"); + print_unpacked_rgba_8unorm(format_desc, " ", expected, " expected\n"); + } + + return success; +} + + +static boolean +test_format_pack_rgba_8unorm(const struct util_format_description *format_desc, + const struct util_format_test_case *test) +{ + uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4]; + uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES]; + unsigned i; + boolean success; + + if (test->format == PIPE_FORMAT_DXT1_RGBA) { + /* + * Skip S3TC as packed representation is not canonical. + * + * TODO: Do a round trip conversion. + */ + return TRUE; + } + + if (!convert_float_to_8unorm(&unpacked[0][0][0], &test->unpacked[0][0][0])) { + /* + * Skip test cases which cannot be represented by four unorm bytes. + */ + return TRUE; + } + + memset(packed, 0, sizeof packed); + + format_desc->pack_rgba_8unorm(packed, 0, + &unpacked[0][0][0], sizeof unpacked[0], + format_desc->block.width, format_desc->block.height); + + success = TRUE; + for (i = 0; i < format_desc->block.bits/8; ++i) + if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i])) + success = FALSE; + + if (!success) { + print_packed(format_desc, "FAILED: ", packed, " obtained\n"); + print_packed(format_desc, " ", test->packed, " expected\n"); + } + + return success; +} + + +static boolean +test_format_unpack_z_float(const struct util_format_description *format_desc, + const struct util_format_test_case *test) +{ + float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } }; + unsigned i, j; + boolean success; + + format_desc->unpack_z_float(&unpacked[0][0], sizeof unpacked[0], + test->packed, 0, + format_desc->block.width, format_desc->block.height); + + success = TRUE; + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + if (!compare_float(test->unpacked[i][j][0], unpacked[i][j])) { + success = FALSE; + } + } + } + + if (!success) { + print_unpacked_z_float(format_desc, "FAILED: ", unpacked, " obtained\n"); + print_unpacked_rgba_doubl(format_desc, " ", test->unpacked, " expected\n"); + } + + return success; +} + + +static boolean +test_format_pack_z_float(const struct util_format_description *format_desc, + const struct util_format_test_case *test) +{ + float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH]; + uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES]; + unsigned i, j; + boolean success; + + memset(packed, 0, sizeof packed); + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + unpacked[i][j] = (float) test->unpacked[i][j][0]; + if (test->unpacked[i][j][1]) { + return TRUE; + } + } + } + + format_desc->pack_z_float(packed, 0, + &unpacked[0][0], sizeof unpacked[0], + format_desc->block.width, format_desc->block.height); + + success = TRUE; + for (i = 0; i < format_desc->block.bits/8; ++i) + if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i])) + success = FALSE; + + if (!success) { + print_packed(format_desc, "FAILED: ", packed, " obtained\n"); + print_packed(format_desc, " ", test->packed, " expected\n"); + } + + return success; +} + + +static boolean +test_format_unpack_z_32unorm(const struct util_format_description *format_desc, + const struct util_format_test_case *test) +{ + uint32_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } }; + uint32_t expected[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } }; + unsigned i, j; + boolean success; + + format_desc->unpack_z_32unorm(&unpacked[0][0], sizeof unpacked[0], + test->packed, 0, + format_desc->block.width, format_desc->block.height); + + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + expected[i][j] = test->unpacked[i][j][0] * 0xffffffff; + } + } + + success = TRUE; + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + if (expected[i][j] != unpacked[i][j]) { + success = FALSE; + } + } + } + + if (!success) { + print_unpacked_z_32unorm(format_desc, "FAILED: ", unpacked, " obtained\n"); + print_unpacked_z_32unorm(format_desc, " ", expected, " expected\n"); + } + + return success; +} + + +static boolean +test_format_pack_z_32unorm(const struct util_format_description *format_desc, + const struct util_format_test_case *test) +{ + uint32_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH]; + uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES]; + unsigned i, j; + boolean success; + + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + unpacked[i][j] = test->unpacked[i][j][0] * 0xffffffff; + if (test->unpacked[i][j][1]) { + return TRUE; + } + } + } + + memset(packed, 0, sizeof packed); + + format_desc->pack_z_32unorm(packed, 0, + &unpacked[0][0], sizeof unpacked[0], + format_desc->block.width, format_desc->block.height); + + success = TRUE; + for (i = 0; i < format_desc->block.bits/8; ++i) + if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i])) + success = FALSE; + + if (!success) { + print_packed(format_desc, "FAILED: ", packed, " obtained\n"); + print_packed(format_desc, " ", test->packed, " expected\n"); + } + + return success; +} + + +static boolean +test_format_unpack_s_8uscaled(const struct util_format_description *format_desc, + const struct util_format_test_case *test) +{ + uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } }; + uint8_t expected[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } }; + unsigned i, j; + boolean success; + + format_desc->unpack_s_8uscaled(&unpacked[0][0], sizeof unpacked[0], + test->packed, 0, + format_desc->block.width, format_desc->block.height); + + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + expected[i][j] = test->unpacked[i][j][1]; + } + } + + success = TRUE; + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + if (expected[i][j] != unpacked[i][j]) { + success = FALSE; + } + } + } + + if (!success) { + print_unpacked_s_8uscaled(format_desc, "FAILED: ", unpacked, " obtained\n"); + print_unpacked_s_8uscaled(format_desc, " ", expected, " expected\n"); + } + + return success; +} + + +static boolean +test_format_pack_s_8uscaled(const struct util_format_description *format_desc, + const struct util_format_test_case *test) +{ + uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH]; + uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES]; + unsigned i, j; + boolean success; + + for (i = 0; i < format_desc->block.height; ++i) { + for (j = 0; j < format_desc->block.width; ++j) { + unpacked[i][j] = test->unpacked[i][j][1]; + if (test->unpacked[i][j][0]) { + return TRUE; + } + } + } + + memset(packed, 0, sizeof packed); + + format_desc->pack_s_8uscaled(packed, 0, + &unpacked[0][0], sizeof unpacked[0], + format_desc->block.width, format_desc->block.height); + + success = TRUE; + for (i = 0; i < format_desc->block.bits/8; ++i) + if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i])) + success = FALSE; + + if (!success) { + print_packed(format_desc, "FAILED: ", packed, " obtained\n"); + print_packed(format_desc, " ", test->packed, " expected\n"); + } + + 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_func(const struct util_format_description *format_desc, + test_func_t func, + const char *suffix) +{ + unsigned i; + boolean success = TRUE; + + printf("Testing util_format_%s_%s ...\n", + format_desc->short_name, suffix); + fflush(stdout); + + for (i = 0; i < util_format_nr_test_cases; ++i) { + const struct util_format_test_case *test = &util_format_test_cases[i]; + + if (test->format == format_desc->format) { + if (!func(format_desc, &util_format_test_cases[i])) { + success = FALSE; + } + } + } + + return success; +} + + +static boolean +test_all(void) +{ + enum pipe_format format; + boolean success = TRUE; + + for (format = 1; format < PIPE_FORMAT_COUNT; ++format) { + const struct util_format_description *format_desc; + + format_desc = util_format_description(format); + if (!format_desc) { + continue; + } + + if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC && + !util_format_s3tc_enabled) { + continue; + } + +# define TEST_ONE_FUNC(name) \ + if (format_desc->name) { \ + if (!test_one_func(format_desc, &test_format_##name, #name)) { \ + success = FALSE; \ + } \ + } + + TEST_ONE_FUNC(fetch_rgba_float); + TEST_ONE_FUNC(pack_rgba_float); + TEST_ONE_FUNC(unpack_rgba_float); + TEST_ONE_FUNC(pack_rgba_8unorm); + TEST_ONE_FUNC(unpack_rgba_8unorm); + + TEST_ONE_FUNC(unpack_z_32unorm); + TEST_ONE_FUNC(pack_z_32unorm); + TEST_ONE_FUNC(unpack_z_float); + TEST_ONE_FUNC(pack_z_float); + TEST_ONE_FUNC(unpack_s_8uscaled); + TEST_ONE_FUNC(pack_s_8uscaled); + +# undef TEST_ONE_FUNC + } + + return success; +} + + +int main(int argc, char **argv) +{ + boolean success; + + util_format_s3tc_init(); + + success = test_all(); + + return success ? 0 : 1; +} |