173 lines
3.4 KiB
C
173 lines
3.4 KiB
C
#include "utils.h"
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#ifndef HAVE_PTHREADS
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int main ()
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{
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printf ("Skipped thread-test - pthreads not supported\n");
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return 0;
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}
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#else
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#include <stdlib.h>
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#include <pthread.h>
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typedef struct
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{
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int thread_no;
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uint32_t *dst_buf;
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prng_t prng_state;
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} info_t;
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static const pixman_op_t operators[] =
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{
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PIXMAN_OP_SRC,
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PIXMAN_OP_OVER,
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PIXMAN_OP_ADD,
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PIXMAN_OP_CLEAR,
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PIXMAN_OP_SRC,
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PIXMAN_OP_DST,
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PIXMAN_OP_OVER,
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PIXMAN_OP_OVER_REVERSE,
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PIXMAN_OP_IN,
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PIXMAN_OP_IN_REVERSE,
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PIXMAN_OP_OUT,
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PIXMAN_OP_OUT_REVERSE,
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PIXMAN_OP_ATOP,
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PIXMAN_OP_ATOP_REVERSE,
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PIXMAN_OP_XOR,
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PIXMAN_OP_ADD,
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PIXMAN_OP_MULTIPLY,
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PIXMAN_OP_SCREEN,
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PIXMAN_OP_OVERLAY,
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PIXMAN_OP_DARKEN,
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PIXMAN_OP_LIGHTEN,
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PIXMAN_OP_HARD_LIGHT,
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PIXMAN_OP_DIFFERENCE,
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PIXMAN_OP_EXCLUSION,
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};
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static const pixman_format_code_t formats[] =
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{
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PIXMAN_a8r8g8b8,
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PIXMAN_r5g6b5,
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PIXMAN_a8,
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PIXMAN_a4,
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PIXMAN_a1,
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PIXMAN_b5g6r5,
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PIXMAN_r8g8b8a8,
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PIXMAN_a4r4g4b4
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};
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#define N_ROUNDS 8192
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#define RAND_ELT(arr) \
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arr[prng_rand_r(&info->prng_state) % ARRAY_LENGTH (arr)]
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#define DEST_WIDTH (7)
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static void *
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thread (void *data)
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{
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info_t *info = data;
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uint32_t crc32 = 0x0;
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uint32_t src_buf[64];
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pixman_image_t *dst_img, *src_img;
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int i;
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prng_srand_r (&info->prng_state, info->thread_no);
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for (i = 0; i < N_ROUNDS; ++i)
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{
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pixman_op_t op;
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int rand1, rand2;
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prng_randmemset_r (&info->prng_state, info->dst_buf,
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DEST_WIDTH * sizeof (uint32_t), 0);
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prng_randmemset_r (&info->prng_state, src_buf,
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sizeof (src_buf), 0);
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src_img = pixman_image_create_bits (
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RAND_ELT (formats), 4, 4, src_buf, 16);
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dst_img = pixman_image_create_bits (
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RAND_ELT (formats), DEST_WIDTH, 1, info->dst_buf,
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DEST_WIDTH * sizeof (uint32_t));
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image_endian_swap (src_img);
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image_endian_swap (dst_img);
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rand2 = prng_rand_r (&info->prng_state) % 4;
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rand1 = prng_rand_r (&info->prng_state) % 4;
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op = RAND_ELT (operators);
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pixman_image_composite32 (
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op,
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src_img, NULL, dst_img,
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rand1, rand2, 0, 0, 0, 0, DEST_WIDTH, 1);
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crc32 = compute_crc32_for_image (crc32, dst_img);
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pixman_image_unref (src_img);
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pixman_image_unref (dst_img);
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}
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return (void *)(uintptr_t)crc32;
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}
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static inline uint32_t
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byteswap32 (uint32_t x)
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{
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return ((x & ((uint32_t)0xFF << 24)) >> 24) |
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((x & ((uint32_t)0xFF << 16)) >> 8) |
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((x & ((uint32_t)0xFF << 8)) << 8) |
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((x & ((uint32_t)0xFF << 0)) << 24);
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}
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int
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main (void)
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{
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uint32_t dest[16 * DEST_WIDTH];
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info_t info[16] = { { 0 } };
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pthread_t threads[16];
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void *retvals[16];
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uint32_t crc32s[16], crc32;
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int i;
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for (i = 0; i < 16; ++i)
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{
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info[i].thread_no = i;
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info[i].dst_buf = &dest[i * DEST_WIDTH];
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}
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for (i = 0; i < 16; ++i)
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pthread_create (&threads[i], NULL, thread, &info[i]);
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for (i = 0; i < 16; ++i)
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pthread_join (threads[i], &retvals[i]);
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for (i = 0; i < 16; ++i)
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{
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crc32s[i] = (uintptr_t)retvals[i];
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if (is_little_endian())
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crc32s[i] = byteswap32 (crc32s[i]);
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}
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crc32 = compute_crc32 (0, crc32s, sizeof crc32s);
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#define EXPECTED 0x82C4D9FB
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if (crc32 != EXPECTED)
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{
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printf ("thread-test failed. Got checksum 0x%08X, expected 0x%08X\n",
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crc32, EXPECTED);
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return 1;
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}
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return 0;
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}
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#endif
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