diff options
Diffstat (limited to 'src/pixman/test/thread-test.c')
| -rw-r--r-- | src/pixman/test/thread-test.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/pixman/test/thread-test.c b/src/pixman/test/thread-test.c new file mode 100644 index 0000000..0b07b26 --- /dev/null +++ b/src/pixman/test/thread-test.c @@ -0,0 +1,199 @@ +#include "utils.h" + +#ifndef HAVE_PTHREADS + +int main () +{ + printf ("Skipped thread-test - pthreads not supported\n"); + return 0; +} + +#else + +#include <stdlib.h> +#include <pthread.h> + +typedef struct +{ + int thread_no; + uint32_t *dst_buf; + prng_t prng_state; +} info_t; + +static const pixman_op_t operators[] = +{ + PIXMAN_OP_SRC, + PIXMAN_OP_OVER, + PIXMAN_OP_ADD, + PIXMAN_OP_CLEAR, + PIXMAN_OP_SRC, + PIXMAN_OP_DST, + PIXMAN_OP_OVER, + PIXMAN_OP_OVER_REVERSE, + PIXMAN_OP_IN, + PIXMAN_OP_IN_REVERSE, + PIXMAN_OP_OUT, + PIXMAN_OP_OUT_REVERSE, + PIXMAN_OP_ATOP, + PIXMAN_OP_ATOP_REVERSE, + PIXMAN_OP_XOR, + PIXMAN_OP_ADD, + PIXMAN_OP_SATURATE, + PIXMAN_OP_DISJOINT_CLEAR, + PIXMAN_OP_DISJOINT_SRC, + PIXMAN_OP_DISJOINT_DST, + PIXMAN_OP_DISJOINT_OVER, + PIXMAN_OP_DISJOINT_OVER_REVERSE, + PIXMAN_OP_DISJOINT_IN, + PIXMAN_OP_DISJOINT_IN_REVERSE, + PIXMAN_OP_DISJOINT_OUT, + PIXMAN_OP_DISJOINT_OUT_REVERSE, + PIXMAN_OP_DISJOINT_ATOP, + PIXMAN_OP_DISJOINT_ATOP_REVERSE, + PIXMAN_OP_DISJOINT_XOR, + PIXMAN_OP_CONJOINT_CLEAR, + PIXMAN_OP_CONJOINT_SRC, + PIXMAN_OP_CONJOINT_DST, + PIXMAN_OP_CONJOINT_OVER, + PIXMAN_OP_CONJOINT_OVER_REVERSE, + PIXMAN_OP_CONJOINT_IN, + PIXMAN_OP_CONJOINT_IN_REVERSE, + PIXMAN_OP_CONJOINT_OUT, + PIXMAN_OP_CONJOINT_OUT_REVERSE, + PIXMAN_OP_CONJOINT_ATOP, + PIXMAN_OP_CONJOINT_ATOP_REVERSE, + PIXMAN_OP_CONJOINT_XOR, + PIXMAN_OP_MULTIPLY, + PIXMAN_OP_SCREEN, + PIXMAN_OP_OVERLAY, + PIXMAN_OP_DARKEN, + PIXMAN_OP_LIGHTEN, + PIXMAN_OP_COLOR_DODGE, + PIXMAN_OP_COLOR_BURN, + PIXMAN_OP_HARD_LIGHT, + PIXMAN_OP_DIFFERENCE, + PIXMAN_OP_EXCLUSION, +}; + +static const pixman_format_code_t formats[] = +{ + PIXMAN_a8r8g8b8, + PIXMAN_r5g6b5, + PIXMAN_a8, + PIXMAN_a4, + PIXMAN_a1, + PIXMAN_b5g6r5, + PIXMAN_r8g8b8a8, + PIXMAN_a4r4g4b4 +}; + +#define N_ROUNDS 8192 + +#define RAND_ELT(arr) \ + arr[prng_rand_r(&info->prng_state) % ARRAY_LENGTH (arr)] + +#define DEST_WIDTH (7) + +static void * +thread (void *data) +{ + info_t *info = data; + uint32_t crc32 = 0x0; + uint32_t src_buf[64]; + pixman_image_t *dst_img, *src_img; + int i; + + prng_srand_r (&info->prng_state, info->thread_no); + + for (i = 0; i < N_ROUNDS; ++i) + { + pixman_op_t op; + int rand1, rand2; + + prng_randmemset_r (&info->prng_state, info->dst_buf, + DEST_WIDTH * sizeof (uint32_t), 0); + prng_randmemset_r (&info->prng_state, src_buf, + sizeof (src_buf), 0); + + src_img = pixman_image_create_bits ( + RAND_ELT (formats), 4, 4, src_buf, 16); + dst_img = pixman_image_create_bits ( + RAND_ELT (formats), DEST_WIDTH, 1, info->dst_buf, + DEST_WIDTH * sizeof (uint32_t)); + + image_endian_swap (src_img); + image_endian_swap (dst_img); + + rand2 = prng_rand_r (&info->prng_state) % 4; + rand1 = prng_rand_r (&info->prng_state) % 4; + op = RAND_ELT (operators); + + pixman_image_composite32 ( + op, + src_img, NULL, dst_img, + rand1, rand2, 0, 0, 0, 0, DEST_WIDTH, 1); + + crc32 = compute_crc32_for_image (crc32, dst_img); + + pixman_image_unref (src_img); + pixman_image_unref (dst_img); + } + + return (void *)(uintptr_t)crc32; +} + +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); +} + +int +main (void) +{ + uint32_t dest[16 * DEST_WIDTH]; + info_t info[16] = { { 0 } }; + pthread_t threads[16]; + void *retvals[16]; + uint32_t crc32s[16], crc32; + int i; + + for (i = 0; i < 16; ++i) + { + info[i].thread_no = i; + info[i].dst_buf = &dest[i * DEST_WIDTH]; + } + + for (i = 0; i < 16; ++i) + pthread_create (&threads[i], NULL, thread, &info[i]); + + for (i = 0; i < 16; ++i) + pthread_join (threads[i], &retvals[i]); + + for (i = 0; i < 16; ++i) + { + crc32s[i] = (uintptr_t)retvals[i]; + + if (is_little_endian()) + crc32s[i] = byteswap32 (crc32s[i]); + } + + crc32 = compute_crc32 (0, crc32s, sizeof crc32s); + +#define EXPECTED 0xE299B18E + + if (crc32 != EXPECTED) + { + printf ("thread-test failed. Got checksum 0x%08X, expected 0x%08X\n", + crc32, EXPECTED); + return 1; + } + + return 0; +} + +#endif + |
