diff options
Diffstat (limited to 'pixman/test/matrix-test.c')
| -rw-r--r-- | pixman/test/matrix-test.c | 53 |
1 files changed, 51 insertions, 2 deletions
diff --git a/pixman/test/matrix-test.c b/pixman/test/matrix-test.c index 8437dd291..0a5f203f5 100644 --- a/pixman/test/matrix-test.c +++ b/pixman/test/matrix-test.c @@ -70,6 +70,53 @@ pixman_bool_t does_it_fit_fixed_48_16 (__float128 x) #endif +static inline uint32_t +byteswap32 (uint32_t x) +{ + return ((x & ((uint32_t)0xFF << 24)) >> 24) | + ((x & ((uint32_t)0xFF << 16)) >> 8) | + ((x & ((uint32_t)0xFF << 8)) << 8) | + ((x & ((uint32_t)0xFF << 0)) << 24); +} + +static inline uint64_t +byteswap64 (uint64_t x) +{ + return ((x & ((uint64_t)0xFF << 56)) >> 56) | + ((x & ((uint64_t)0xFF << 48)) >> 40) | + ((x & ((uint64_t)0xFF << 40)) >> 24) | + ((x & ((uint64_t)0xFF << 32)) >> 8) | + ((x & ((uint64_t)0xFF << 24)) << 8) | + ((x & ((uint64_t)0xFF << 16)) << 24) | + ((x & ((uint64_t)0xFF << 8)) << 40) | + ((x & ((uint64_t)0xFF << 0)) << 56); +} + +static void +byteswap_transform (pixman_transform_t *t) +{ + int i, j; + + if (is_little_endian ()) + return; + + for (i = 0; i < 3; i++) + for (j = 0; j < 3; j++) + t->matrix[i][j] = byteswap32 (t->matrix[i][j]); +} + +static void +byteswap_vector_48_16 (pixman_vector_48_16_t *v) +{ + int i; + + if (is_little_endian ()) + return; + + for (i = 0; i < 3; i++) + v->v[i] = byteswap64 (v->v[i]); +} + uint32_t test_matrix (int testnum, int verbose) { @@ -90,6 +137,8 @@ test_matrix (int testnum, int verbose) #endif prng_randmemset (&ti, sizeof(ti), 0); prng_randmemset (&vi, sizeof(vi), 0); + byteswap_transform (&ti); + byteswap_vector_48_16 (&vi); for (j = 0; j < 3; j++) { @@ -132,8 +181,6 @@ test_matrix (int testnum, int verbose) else transform_ok = pixman_transform_point_31_16 (&ti, &vi, &result_i); - crc32 = compute_crc32 (crc32, &result_i, sizeof(result_i)); - #ifdef HAVE_FLOAT128 /* compare with a reference 128-bit floating point implementation */ for (j = 0; j < 3; j++) @@ -173,6 +220,8 @@ test_matrix (int testnum, int verbose) } } #endif + byteswap_vector_48_16 (&result_i); + crc32 = compute_crc32 (crc32, &result_i, sizeof (result_i)); } return crc32; } |