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| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /pixman/test/alpha-loop.c | |
| download | qemu-3f2546b2ef55b661fd8dd69682b38992225e86f6.tar.gz qemu-3f2546b2ef55b661fd8dd69682b38992225e86f6.tar.bz2 qemu-3f2546b2ef55b661fd8dd69682b38992225e86f6.zip | |
Diffstat (limited to 'pixman/test/alpha-loop.c')
| -rw-r--r-- | pixman/test/alpha-loop.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/pixman/test/alpha-loop.c b/pixman/test/alpha-loop.c new file mode 100644 index 00000000..4d4384d0 --- /dev/null +++ b/pixman/test/alpha-loop.c @@ -0,0 +1,35 @@ +#include <stdio.h> +#include <stdlib.h> +#include "utils.h" + +#define WIDTH 400 +#define HEIGHT 200 + +int +main (int argc, char **argv) +{ + pixman_image_t *a, *d, *s; + uint8_t *alpha; + uint32_t *src, *dest; + + prng_srand (0); + + alpha = make_random_bytes (WIDTH * HEIGHT); + src = (uint32_t *)make_random_bytes (WIDTH * HEIGHT * 4); + dest = (uint32_t *)make_random_bytes (WIDTH * HEIGHT * 4); + + a = pixman_image_create_bits (PIXMAN_a8, WIDTH, HEIGHT, (uint32_t *)alpha, WIDTH); + d = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, dest, WIDTH * 4); + 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; +} |