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Diffstat (limited to 'progs/gallium/unit/u_format_test.c')
-rw-r--r--progs/gallium/unit/u_format_test.c242
1 files changed, 242 insertions, 0 deletions
diff --git a/progs/gallium/unit/u_format_test.c b/progs/gallium/unit/u_format_test.c
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+++ b/progs/gallium/unit/u_format_test.c
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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"
+#include "util/u_format_pack.h"
+
+
+static boolean
+test_format_unpack_4f(const struct util_format_test_case *test)
+{
+ float unpacked[4];
+ unsigned i;
+ boolean success;
+
+ util_format_unpack_4f(test->format, unpacked, test->packed);
+
+ 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_4f(const struct util_format_test_case *test)
+{
+ uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
+ unsigned i;
+ boolean success;
+
+ memset(packed, 0, sizeof packed);
+
+ util_format_pack_4f(test->format, packed, test->unpacked[0], test->unpacked[1], test->unpacked[2], test->unpacked[3]);
+
+ 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_4f_to_4ub(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_4ub(const struct util_format_test_case *test)
+{
+ uint8_t unpacked[4];
+ uint8_t expected[4];
+ unsigned i;
+ boolean success;
+
+ util_format_unpack_4ub(test->format, unpacked, test->packed);
+
+ convert_4f_to_4ub(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_4ub(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_4f_to_4ub(unpacked, test->unpacked)) {
+ /*
+ * Skip test cases which cannot be represented by four unorm bytes.
+ */
+ return TRUE;
+ }
+
+ memset(packed, 0, sizeof packed);
+
+ util_format_pack_4ub(test->format, packed, unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
+
+ 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_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];
+ if (test->format != last_format) {
+ const struct util_format_description *format_desc;
+ format_desc = util_format_description(test->format);
+ printf("Testing util_format_%s_%s ...\n", format_desc->short_name, suffix);
+ last_format = test->format;
+ }
+
+ if (!func(&util_format_test_cases[i]))
+ success = FALSE;
+ }
+
+ return success;
+}
+
+
+static boolean
+test_all(void)
+{
+ bool success = TRUE;
+
+ if (!test_one(&test_format_pack_4f, "pack_4f"))
+ success = FALSE;
+
+ if (!test_one(&test_format_unpack_4f, "unpack_4f"))
+ success = FALSE;
+
+ if (!test_one(&test_format_pack_4ub, "pack_4ub"))
+ success = FALSE;
+
+ if (!test_one(&test_format_unpack_4ub, "unpack_4ub"))
+ success = FALSE;
+
+ return success;
+}
+
+
+int main(int argc, char **argv)
+{
+ boolean success;
+
+ success = test_all();
+
+ return success ? 0 : 1;
+}
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