Add qemu 2.4.0

[kvmfornfv.git] / qemu / pixman / test / thread-test.c

diff --git a/qemu/pixman/test/thread-test.c b/qemu/pixman/test/thread-test.c
new file mode 100644 (file)
index 0000000..0b07b26
--- /dev/null
+++ b/qemu/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
+