IABSD.fr/xenocara/lib/pixman/test/alpha-loop.c

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• Author : matthieu
  Date : 2010-11-14 13:42:49
  Hash : 52cf0a80
  Message : Update to pixman 0.20.0. tested by ajacoutot@, krw@ and on a bulk ports build by landry@.

• lib/pixman/test/alpha-loop.c

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