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author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/pixman/test/rotate-test.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/pixman/test/rotate-test.c')
-rw-r--r-- | qemu/pixman/test/rotate-test.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/qemu/pixman/test/rotate-test.c b/qemu/pixman/test/rotate-test.c new file mode 100644 index 000000000..18ca60d9b --- /dev/null +++ b/qemu/pixman/test/rotate-test.c @@ -0,0 +1,120 @@ +#include <stdlib.h> +#include "utils.h" + +#define WIDTH 32 +#define HEIGHT 32 + +static const pixman_format_code_t formats[] = +{ + PIXMAN_a8r8g8b8, + PIXMAN_a8b8g8r8, + PIXMAN_x8r8g8b8, + PIXMAN_x8b8g8r8, + PIXMAN_r5g6b5, + PIXMAN_b5g6r5, + PIXMAN_a8, + PIXMAN_a1, +}; + +static const pixman_op_t ops[] = +{ + PIXMAN_OP_OVER, + PIXMAN_OP_SRC, + PIXMAN_OP_ADD, +}; + +#define TRANSFORM(v00, v01, v10, v11) \ + { { { v00, v01, WIDTH * pixman_fixed_1 / 2 }, \ + { v10, v11, HEIGHT * pixman_fixed_1 / 2 }, \ + { 0, 0, pixman_fixed_1 } } } + +#define F1 pixman_fixed_1 + +static const pixman_transform_t transforms[] = +{ + TRANSFORM (0, -1, 1, 0), /* wrong 90 degree rotation */ + TRANSFORM (0, 1, -1, 0), /* wrong 270 degree rotation */ + TRANSFORM (1, 0, 0, 1), /* wrong identity */ + TRANSFORM (-1, 0, 0, -1), /* wrong 180 degree rotation */ + TRANSFORM (0, -F1, F1, 0), /* correct 90 degree rotation */ + TRANSFORM (0, F1, -F1, 0), /* correct 270 degree rotation */ + TRANSFORM (F1, 0, 0, F1), /* correct identity */ + TRANSFORM (-F1, 0, 0, -F1), /* correct 180 degree rotation */ +}; + +#define RANDOM_FORMAT() \ + (formats[prng_rand_n (ARRAY_LENGTH (formats))]) + +#define RANDOM_OP() \ + (ops[prng_rand_n (ARRAY_LENGTH (ops))]) + +#define RANDOM_TRANSFORM() \ + (&(transforms[prng_rand_n (ARRAY_LENGTH (transforms))])) + +static void +on_destroy (pixman_image_t *image, void *data) +{ + free (data); +} + +static pixman_image_t * +make_image (void) +{ + pixman_format_code_t format = RANDOM_FORMAT(); + uint32_t *bytes, *orig; + pixman_image_t *image; + int stride; + + orig = bytes = malloc (WIDTH * HEIGHT * 4); + prng_randmemset (bytes, WIDTH * HEIGHT * 4, 0); + + stride = WIDTH * 4; + if (prng_rand_n (2) == 0) + { + bytes += (stride / 4) * (HEIGHT - 1); + stride = - stride; + } + + image = pixman_image_create_bits ( + format, WIDTH, HEIGHT, bytes, stride); + + pixman_image_set_transform (image, RANDOM_TRANSFORM()); + pixman_image_set_destroy_function (image, on_destroy, orig); + pixman_image_set_repeat (image, PIXMAN_REPEAT_NORMAL); + + image_endian_swap (image); + + return image; +} + +static uint32_t +test_transform (int testnum, int verbose) +{ + pixman_image_t *src, *dest; + uint32_t crc; + + prng_srand (testnum); + + src = make_image (); + dest = make_image (); + + pixman_image_composite (RANDOM_OP(), + src, NULL, dest, + 0, 0, 0, 0, WIDTH / 2, HEIGHT / 2, + WIDTH, HEIGHT); + + crc = compute_crc32_for_image (0, dest); + + pixman_image_unref (src); + pixman_image_unref (dest); + + return crc; +} + +int +main (int argc, const char *argv[]) +{ + return fuzzer_test_main ("rotate", 15000, + 0x81E9EC2F, + test_transform, argc, argv); +} |