diff options
Diffstat (limited to 'libs/pixman-0.40.0/test/thread-test.c')
| -rw-r--r-- | libs/pixman-0.40.0/test/thread-test.c | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/libs/pixman-0.40.0/test/thread-test.c b/libs/pixman-0.40.0/test/thread-test.c new file mode 100644 index 0000000..12c51e3 --- /dev/null +++ b/libs/pixman-0.40.0/test/thread-test.c @@ -0,0 +1,231 @@ +#include "utils.h" + +#if !defined (HAVE_PTHREADS) && !defined (_WIN32) + +int main () +{ + printf ("Skipped thread-test - pthreads or Windows Threads not supported\n"); + return 0; +} + +#else + +#include <stdlib.h> + +#ifdef HAVE_PTHREADS +# include <pthread.h> +#elif defined (_WIN32) +# define WIN32_LEAN_AND_MEAN +# include <windows.h> +#endif + +#define THREADS 16 + +typedef struct +{ + int thread_no; + uint32_t *dst_buf; + prng_t prng_state; +#if defined (_WIN32) && !defined (HAVE_PTHREADS) + uint32_t crc32; +#endif +} 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_MULTIPLY, + PIXMAN_OP_SCREEN, + PIXMAN_OP_OVERLAY, + PIXMAN_OP_DARKEN, + PIXMAN_OP_LIGHTEN, + 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) + +#ifdef HAVE_PTHREADS +static void * +thread (void *data) +#elif defined (_WIN32) +DWORD WINAPI +thread (LPVOID data) +#endif +{ + 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); + } + +#ifdef HAVE_PTHREADS + return (void *)(uintptr_t)crc32; +#elif defined (_WIN32) + info->crc32 = crc32; + return 0; +#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); +} + +int +main (void) +{ + uint32_t dest[THREADS * DEST_WIDTH]; + info_t info[THREADS] = { { 0 } }; + +#ifdef HAVE_PTHREADS + pthread_t threads[THREADS]; + void *retvals[THREADS]; +#elif defined (_WIN32) + HANDLE hThreadArray[THREADS]; + DWORD dwThreadIdArray[THREADS]; +#endif + + uint32_t crc32s[THREADS], crc32; + int i; + + for (i = 0; i < THREADS; ++i) + { + info[i].thread_no = i; + info[i].dst_buf = &dest[i * DEST_WIDTH]; + } + +#ifdef HAVE_PTHREADS + for (i = 0; i < THREADS; ++i) + pthread_create (&threads[i], NULL, thread, &info[i]); + + for (i = 0; i < THREADS; ++i) + pthread_join (threads[i], &retvals[i]); + + for (i = 0; i < THREADS; ++i) + { + crc32s[i] = (uintptr_t)retvals[i]; + + if (is_little_endian()) + crc32s[i] = byteswap32 (crc32s[i]); + } + +#elif defined (_WIN32) + for (i = 0; i < THREADS; ++i) + { + hThreadArray[i] = CreateThread(NULL, + 0, + thread, + &info[i], + 0, + &dwThreadIdArray[i]); + if (hThreadArray[i] == NULL) + { + printf ("Windows thread creation failed!\n"); + return 1; + } + } + for (i = 0; i < THREADS; ++i) + { + WaitForSingleObject (hThreadArray[i], INFINITE); + CloseHandle(hThreadArray[i]); + } + + for (i = 0; i < THREADS; ++i) + { + crc32s[i] = info[i].crc32; + + if (is_little_endian()) + crc32s[i] = byteswap32 (crc32s[i]); + } +#endif + + crc32 = compute_crc32 (0, crc32s, sizeof crc32s); + +#define EXPECTED 0x82C4D9FB + + if (crc32 != EXPECTED) + { + printf ("thread-test failed. Got checksum 0x%08X, expected 0x%08X\n", + crc32, EXPECTED); + return 1; + } + + return 0; +} + +#endif + |