Blame test/alpha-loop.c

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#include <stdio.h>
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#include <stdlib.h>
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#include "utils.h"
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#define WIDTH 400
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#define HEIGHT 200
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int
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main (int argc, char **argv)
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{
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    pixman_image_t *a, *d, *s;
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    uint8_t *alpha;
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    uint32_t *src, *dest;
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    prng_srand (0);
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    alpha = make_random_bytes (WIDTH * HEIGHT);
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    src = (uint32_t *)make_random_bytes (WIDTH * HEIGHT * 4);
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    dest = (uint32_t *)make_random_bytes (WIDTH * HEIGHT * 4);
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    a = pixman_image_create_bits (PIXMAN_a8, WIDTH, HEIGHT, (uint32_t *)alpha, WIDTH);
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    d = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, dest, WIDTH * 4);
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    s = pixman_image_create_bits (PIXMAN_a2r10g10b10, WIDTH, HEIGHT, src, WIDTH * 4);
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    fail_after (5, "Infinite loop detected: 5 seconds without progress\n");
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    pixman_image_set_alpha_map (s, a, 0, 0);
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    pixman_image_set_alpha_map (a, s, 0, 0);
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    pixman_image_composite (PIXMAN_OP_SRC, s, NULL, d, 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT);
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    pixman_image_unref (s);
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    return 0;
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}