diff options
Diffstat (limited to 'pixman/test/blitters-test.c')
| -rw-r--r-- | pixman/test/blitters-test.c | 60 |
1 files changed, 27 insertions, 33 deletions
diff --git a/pixman/test/blitters-test.c b/pixman/test/blitters-test.c index 30d69124c..9bde99c62 100644 --- a/pixman/test/blitters-test.c +++ b/pixman/test/blitters-test.c @@ -25,7 +25,7 @@ create_random_image (pixman_format_code_t *allowed_formats, int max_extra_stride, pixman_format_code_t *used_fmt) { - int n = 0, i, width, height, stride; + int n = 0, width, height, stride; pixman_format_code_t fmt; uint32_t *buf; pixman_image_t *img; @@ -33,28 +33,20 @@ create_random_image (pixman_format_code_t *allowed_formats, while (allowed_formats[n] != PIXMAN_null) n++; - if (n > N_MOST_LIKELY_FORMATS && lcg_rand_n (4) != 0) + if (n > N_MOST_LIKELY_FORMATS && prng_rand_n (4) != 0) n = N_MOST_LIKELY_FORMATS; - fmt = allowed_formats[lcg_rand_n (n)]; + fmt = allowed_formats[prng_rand_n (n)]; - width = lcg_rand_n (max_width) + 1; - height = lcg_rand_n (max_height) + 1; + width = prng_rand_n (max_width) + 1; + height = prng_rand_n (max_height) + 1; stride = (width * PIXMAN_FORMAT_BPP (fmt) + 7) / 8 + - lcg_rand_n (max_extra_stride + 1); + prng_rand_n (max_extra_stride + 1); stride = (stride + 3) & ~3; /* do the allocation */ buf = aligned_malloc (64, stride * height); - /* initialize image with random data */ - for (i = 0; i < stride * height; i++) - { - /* generation is biased to having more 0 or 255 bytes as - * they are more likely to be special-cased in code - */ - *((uint8_t *)buf + i) = lcg_rand_n (4) ? lcg_rand_n (256) : - (lcg_rand_n (2) ? 0 : 255); - } + prng_randmemset (buf, stride * height, RANDMEMSET_MORE_00_AND_FF); img = pixman_image_create_bits (fmt, width, height, buf, stride); @@ -67,7 +59,7 @@ create_random_image (pixman_format_code_t *allowed_formats, pixman_image_set_indexed (img, &(y_palette[PIXMAN_FORMAT_BPP (fmt)])); } - if (lcg_rand_n (16) == 0) + if (prng_rand_n (16) == 0) pixman_image_set_filter (img, PIXMAN_FILTER_BILINEAR, NULL, 0); image_endian_swap (img); @@ -251,11 +243,11 @@ test_composite (int testnum, int verbose) if (max_extra_stride > 8) max_extra_stride = 8; - lcg_srand (testnum); + prng_srand (testnum); - op = op_list[lcg_rand_n (ARRAY_LENGTH (op_list))]; + op = op_list[prng_rand_n (ARRAY_LENGTH (op_list))]; - if (lcg_rand_n (8)) + if (prng_rand_n (8)) { /* normal image */ src_img = create_random_image (img_fmt_list, max_width, max_height, @@ -284,10 +276,10 @@ test_composite (int testnum, int verbose) dstbuf = pixman_image_get_data (dst_img); srcbuf = pixman_image_get_data (src_img); - src_x = lcg_rand_n (src_width); - src_y = lcg_rand_n (src_height); - dst_x = lcg_rand_n (dst_width); - dst_y = lcg_rand_n (dst_height); + src_x = prng_rand_n (src_width); + src_y = prng_rand_n (src_height); + dst_x = prng_rand_n (dst_width); + dst_y = prng_rand_n (dst_height); mask_img = NULL; mask_fmt = PIXMAN_null; @@ -296,10 +288,10 @@ test_composite (int testnum, int verbose) maskbuf = NULL; if ((src_fmt == PIXMAN_x8r8g8b8 || src_fmt == PIXMAN_x8b8g8r8) && - (lcg_rand_n (4) == 0)) + (prng_rand_n (4) == 0)) { /* PIXBUF */ - mask_fmt = lcg_rand_n (2) ? PIXMAN_a8r8g8b8 : PIXMAN_a8b8g8r8; + mask_fmt = prng_rand_n (2) ? PIXMAN_a8r8g8b8 : PIXMAN_a8b8g8r8; mask_img = pixman_image_create_bits (mask_fmt, src_width, src_height, @@ -309,9 +301,9 @@ test_composite (int testnum, int verbose) mask_y = src_y; maskbuf = srcbuf; } - else if (lcg_rand_n (2)) + else if (prng_rand_n (2)) { - if (lcg_rand_n (2)) + if (prng_rand_n (2)) { mask_img = create_random_image (mask_fmt_list, max_width, max_height, max_extra_stride, &mask_fmt); @@ -324,16 +316,16 @@ test_composite (int testnum, int verbose) pixman_image_set_repeat (mask_img, PIXMAN_REPEAT_NORMAL); } - if (lcg_rand_n (2)) + if (prng_rand_n (2)) pixman_image_set_component_alpha (mask_img, 1); - mask_x = lcg_rand_n (pixman_image_get_width (mask_img)); - mask_y = lcg_rand_n (pixman_image_get_height (mask_img)); + mask_x = prng_rand_n (pixman_image_get_width (mask_img)); + mask_y = prng_rand_n (pixman_image_get_height (mask_img)); } - w = lcg_rand_n (dst_width - dst_x + 1); - h = lcg_rand_n (dst_height - dst_y + 1); + w = prng_rand_n (dst_width - dst_x + 1); + h = prng_rand_n (dst_height - dst_y + 1); if (verbose) { @@ -390,6 +382,8 @@ main (int argc, const char *argv[]) { int i; + prng_srand (0); + for (i = 1; i <= 8; i++) { initialize_palette (&(rgb_palette[i]), i, TRUE); @@ -397,6 +391,6 @@ main (int argc, const char *argv[]) } return fuzzer_test_main("blitters", 2000000, - 0x46136E0A, + 0xD8265D5E, test_composite, argc, argv); } |