diff options
Diffstat (limited to 'pixman/test/stress-test.c')
-rw-r--r-- | pixman/test/stress-test.c | 1710 |
1 files changed, 855 insertions, 855 deletions
diff --git a/pixman/test/stress-test.c b/pixman/test/stress-test.c index 166dc6d2c..a51737ea0 100644 --- a/pixman/test/stress-test.c +++ b/pixman/test/stress-test.c @@ -1,855 +1,855 @@ -#include "utils.h" - -#if 0 -#define fence_malloc malloc -#define fence_free free -#define make_random_bytes malloc -#endif - -static const pixman_format_code_t image_formats[] = -{ - PIXMAN_a8r8g8b8, - PIXMAN_x8r8g8b8, - PIXMAN_r5g6b5, - PIXMAN_r3g3b2, - PIXMAN_a8, - PIXMAN_a8b8g8r8, - PIXMAN_x8b8g8r8, - PIXMAN_b8g8r8a8, - PIXMAN_b8g8r8x8, - PIXMAN_x14r6g6b6, - PIXMAN_r8g8b8, - PIXMAN_b8g8r8, - PIXMAN_r5g6b5, - PIXMAN_b5g6r5, - PIXMAN_x2r10g10b10, - PIXMAN_a2r10g10b10, - PIXMAN_x2b10g10r10, - PIXMAN_a2b10g10r10, - PIXMAN_a1r5g5b5, - PIXMAN_x1r5g5b5, - PIXMAN_a1b5g5r5, - PIXMAN_x1b5g5r5, - PIXMAN_a4r4g4b4, - PIXMAN_x4r4g4b4, - PIXMAN_a4b4g4r4, - PIXMAN_x4b4g4r4, - PIXMAN_a8, - PIXMAN_r3g3b2, - PIXMAN_b2g3r3, - PIXMAN_a2r2g2b2, - PIXMAN_a2b2g2r2, - PIXMAN_c8, - PIXMAN_g8, - PIXMAN_x4c4, - PIXMAN_x4g4, - PIXMAN_c4, - PIXMAN_g4, - PIXMAN_g1, - PIXMAN_x4a4, - PIXMAN_a4, - PIXMAN_r1g2b1, - PIXMAN_b1g2r1, - PIXMAN_a1r1g1b1, - PIXMAN_a1b1g1r1, - PIXMAN_a1 -}; - -static pixman_filter_t filters[] = -{ - PIXMAN_FILTER_NEAREST, - PIXMAN_FILTER_BILINEAR, - PIXMAN_FILTER_FAST, - PIXMAN_FILTER_GOOD, - PIXMAN_FILTER_BEST, - PIXMAN_FILTER_CONVOLUTION -}; - -static int -get_size (void) -{ - switch (lcg_rand_n (28)) - { - case 0: - return 1; - - case 1: - return 2; - - default: - case 2: - return lcg_rand_n (200); - - case 4: - return lcg_rand_n (2000) + 1000; - - case 5: - return 65535; - - case 6: - return 65536; - - case 7: - return lcg_rand_N (64000) + 63000; - } -} - -static void -destroy (pixman_image_t *image, void *data) -{ - if (image->type == BITS && image->bits.free_me != image->bits.bits) - { - uint32_t *bits; - - if (image->bits.bits != (void *)0x01) - { - bits = image->bits.bits; - - if (image->bits.rowstride < 0) - bits -= (- image->bits.rowstride * (image->bits.height - 1)); - - fence_free (bits); - } - } - - free (data); -} - -static uint32_t -real_reader (const void *src, int size) -{ - switch (size) - { - case 1: - return *(uint8_t *)src; - case 2: - return *(uint16_t *)src; - case 4: - return *(uint32_t *)src; - default: - assert (0); - return 0; /* silence MSVC */ - } -} - -static void -real_writer (void *src, uint32_t value, int size) -{ - switch (size) - { - case 1: - *(uint8_t *)src = value; - break; - - case 2: - *(uint16_t *)src = value; - break; - - case 4: - *(uint32_t *)src = value; - break; - - default: - assert (0); - break; - } -} - -static uint32_t -fake_reader (const void *src, int size) -{ - uint32_t r = lcg_rand_u32 (); - - assert (size == 1 || size == 2 || size == 4); - return r & ((1 << (size * 8)) - 1); -} - -static void -fake_writer (void *src, uint32_t value, int size) -{ - assert (size == 1 || size == 2 || size == 4); -} - -static int32_t -log_rand (void) -{ - uint32_t mask; - - mask = (1 << lcg_rand_n (31)) - 1; - - return (lcg_rand () & mask) - (mask >> 1); -} - -static pixman_image_t * -create_random_bits_image (void) -{ - pixman_format_code_t format; - pixman_indexed_t *indexed; - pixman_image_t *image; - int width, height, stride; - uint32_t *bits; - pixman_read_memory_func_t read_func = NULL; - pixman_write_memory_func_t write_func = NULL; - pixman_filter_t filter; - pixman_fixed_t *coefficients = NULL; - int n_coefficients = 0; - - /* format */ - format = image_formats[lcg_rand_n (ARRAY_LENGTH (image_formats))]; - - indexed = NULL; - if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_COLOR) - { - indexed = malloc (sizeof (pixman_indexed_t)); - - initialize_palette (indexed, PIXMAN_FORMAT_BPP (format), TRUE); - } - else if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_GRAY) - { - indexed = malloc (sizeof (pixman_indexed_t)); - - initialize_palette (indexed, PIXMAN_FORMAT_BPP (format), FALSE); - } - else - { - indexed = NULL; - } - - /* size */ - width = get_size (); - height = get_size (); - - if ((uint64_t)width * height > 200000) - { - if (lcg_rand_n(2) == 0) - height = 200000 / width; - else - width = 200000 / height; - } - - if (height == 0) - height = 1; - if (width == 0) - width = 1; - - /* bits */ - switch (lcg_rand_n (7)) - { - default: - case 0: - stride = width * PIXMAN_FORMAT_BPP (format) + lcg_rand_n (17); - stride = (stride + 3) & (~3); - bits = (uint32_t *)make_random_bytes (height * stride); - break; - - case 1: - stride = 0; - bits = NULL; - break; - - case 2: /* Zero-filled */ - stride = width * PIXMAN_FORMAT_BPP (format) + lcg_rand_n (17); - stride = (stride + 3) & (~3); - bits = fence_malloc (height * stride); - if (!bits) - return NULL; - memset (bits, 0, height * stride); - break; - - case 3: /* Filled with 0xFF */ - stride = width * PIXMAN_FORMAT_BPP (format) + lcg_rand_n (17); - stride = (stride + 3) & (~3); - bits = fence_malloc (height * stride); - if (!bits) - return NULL; - memset (bits, 0xff, height * stride); - break; - - case 4: /* bits is a bad pointer, has read/write functions */ - stride = 232; - bits = (void *)0x01; - read_func = fake_reader; - write_func = fake_writer; - break; - - case 5: /* bits is a real pointer, has read/write functions */ - stride = width * PIXMAN_FORMAT_BPP (format) + lcg_rand_n (17); - stride = (stride + 3) & (~3); - bits = fence_malloc (height * stride); - if (!bits) - return NULL; - memset (bits, 0xff, height * stride); - read_func = real_reader; - write_func = real_writer; - break; - - case 6: /* bits is a real pointer, stride is negative */ - stride = (width * PIXMAN_FORMAT_BPP (format) + lcg_rand_n (17)); - stride = (stride + 3) & (~3); - bits = (uint32_t *)make_random_bytes (height * stride); - if (!bits) - return NULL; - bits += ((height - 1) * stride) / 4; - stride = - stride; - break; - } - - /* Filter */ - filter = filters[lcg_rand_n (ARRAY_LENGTH (filters))]; - if (filter == PIXMAN_FILTER_CONVOLUTION) - { - int width = lcg_rand_n (17); - int height = lcg_rand_n (19); - - n_coefficients = width * height + 2; - coefficients = malloc (n_coefficients * sizeof (pixman_fixed_t)); - - if (coefficients) - { - int i; - - for (i = 0; i < width * height; ++i) - coefficients[i + 2] = lcg_rand_u32(); - - coefficients[0] = width << 16; - coefficients[1] = height << 16; - } - else - { - filter = PIXMAN_FILTER_BEST; - } - } - - /* Finally create the image */ - image = pixman_image_create_bits (format, width, height, bits, stride); - if (!image) - return NULL; - - pixman_image_set_indexed (image, indexed); - pixman_image_set_destroy_function (image, destroy, indexed); - pixman_image_set_accessors (image, read_func, write_func); - pixman_image_set_filter (image, filter, coefficients, n_coefficients); - - return image; -} - -static pixman_repeat_t repeats[] = -{ - PIXMAN_REPEAT_NONE, - PIXMAN_REPEAT_NORMAL, - PIXMAN_REPEAT_REFLECT, - PIXMAN_REPEAT_PAD -}; - -static uint32_t -absolute (int32_t i) -{ - return i < 0? -i : i; -} - -static void -set_general_properties (pixman_image_t *image, pixman_bool_t allow_alpha_map) -{ - pixman_repeat_t repeat; - - /* Set properties that are generic to all images */ - - /* Repeat */ - repeat = repeats[lcg_rand_n (ARRAY_LENGTH (repeats))]; - pixman_image_set_repeat (image, repeat); - - /* Alpha map */ - if (allow_alpha_map && lcg_rand_n (3) == 0) - { - pixman_image_t *alpha_map; - int16_t x, y; - - alpha_map = create_random_bits_image (); - - if (alpha_map) - { - set_general_properties (alpha_map, FALSE); - - x = lcg_rand_N (100000) - 65536; - y = lcg_rand_N (100000) - 65536; - - pixman_image_set_alpha_map (image, alpha_map, x, y); - - pixman_image_unref (alpha_map); - } - } - - /* Component alpha */ - pixman_image_set_component_alpha (image, lcg_rand_n (3) == 0); - - /* Clip region */ - if (lcg_rand_n (8) != 0) - { - pixman_region32_t region; - int i, n_rects; - - pixman_region32_init (®ion); - - switch (lcg_rand_n (10)) - { - case 0: - n_rects = 0; - break; - - case 1: case 2: case 3: - n_rects = 1; - break; - - case 4: case 5: - n_rects = 2; - break; - - case 6: case 7: - n_rects = 3; - - default: - n_rects = lcg_rand_n (100); - break; - } - - for (i = 0; i < n_rects; ++i) - { - uint32_t width, height; - int x, y; - - x = log_rand(); - y = log_rand(); - width = absolute (log_rand ()) + 1; - height = absolute (log_rand ()) + 1; - - pixman_region32_union_rect ( - ®ion, ®ion, x, y, width, height); - } - - pixman_image_set_clip_region32 (image, ®ion); - - pixman_region32_fini (®ion); - } - - /* Whether source clipping is enabled */ - pixman_image_set_source_clipping (image, !!lcg_rand_n (2)); - - /* Client clip */ - pixman_image_set_has_client_clip (image, !!lcg_rand_n (2)); - - /* Transform */ - if (lcg_rand_n (5) < 2) - { - pixman_transform_t xform; - int i, j, k; - uint32_t tx, ty, sx, sy; - uint32_t c, s; - - memset (&xform, 0, sizeof xform); - xform.matrix[0][0] = pixman_fixed_1; - xform.matrix[1][1] = pixman_fixed_1; - xform.matrix[2][2] = pixman_fixed_1; - - for (k = 0; k < 3; ++k) - { - switch (lcg_rand_n (4)) - { - case 0: - /* rotation */ - c = lcg_rand_N (2 * 65536) - 65536; - s = lcg_rand_N (2 * 65536) - 65536; - pixman_transform_rotate (&xform, NULL, c, s); - break; - - case 1: - /* translation */ - tx = lcg_rand_u32(); - ty = lcg_rand_u32(); - pixman_transform_translate (&xform, NULL, tx, ty); - break; - - case 2: - /* scale */ - sx = lcg_rand_u32(); - sy = lcg_rand_u32(); - pixman_transform_scale (&xform, NULL, sx, sy); - break; - - case 3: - if (lcg_rand_n (16) == 0) - { - /* random */ - for (i = 0; i < 3; ++i) - for (j = 0; j < 3; ++j) - xform.matrix[i][j] = lcg_rand_u32(); - break; - } - else if (lcg_rand_n (16) == 0) - { - /* zero */ - memset (&xform, 0, sizeof xform); - } - break; - } - } - - pixman_image_set_transform (image, &xform); - } -} - -static pixman_color_t -random_color (void) -{ - pixman_color_t color = - { - lcg_rand() & 0xffff, - lcg_rand() & 0xffff, - lcg_rand() & 0xffff, - lcg_rand() & 0xffff, - }; - - return color; -} - - -static pixman_image_t * -create_random_solid_image (void) -{ - pixman_color_t color = random_color(); - pixman_image_t *image = pixman_image_create_solid_fill (&color); - - return image; -} - -static pixman_gradient_stop_t * -create_random_stops (int *n_stops) -{ - pixman_fixed_t step; - pixman_fixed_t s; - int i; - pixman_gradient_stop_t *stops; - - *n_stops = lcg_rand_n (50) + 1; - - step = pixman_fixed_1 / *n_stops; - - stops = malloc (*n_stops * sizeof (pixman_gradient_stop_t)); - - s = 0; - for (i = 0; i < (*n_stops) - 1; ++i) - { - stops[i].x = s; - stops[i].color = random_color(); - - s += step; - } - - stops[*n_stops - 1].x = pixman_fixed_1; - stops[*n_stops - 1].color = random_color(); - - return stops; -} - -static pixman_point_fixed_t -create_random_point (void) -{ - pixman_point_fixed_t p; - - p.x = log_rand (); - p.y = log_rand (); - - return p; -} - -static pixman_image_t * -create_random_linear_image (void) -{ - int n_stops; - pixman_gradient_stop_t *stops; - pixman_point_fixed_t p1, p2; - pixman_image_t *result; - - stops = create_random_stops (&n_stops); - if (!stops) - return NULL; - - p1 = create_random_point (); - p2 = create_random_point (); - - result = pixman_image_create_linear_gradient (&p1, &p2, stops, n_stops); - - free (stops); - - return result; -} - -static pixman_image_t * -create_random_radial_image (void) -{ - int n_stops; - pixman_gradient_stop_t *stops; - pixman_point_fixed_t inner_c, outer_c; - pixman_fixed_t inner_r, outer_r; - pixman_image_t *result; - - inner_c = create_random_point(); - outer_c = create_random_point(); - inner_r = lcg_rand(); - outer_r = lcg_rand(); - - stops = create_random_stops (&n_stops); - - if (!stops) - return NULL; - - result = pixman_image_create_radial_gradient ( - &inner_c, &outer_c, inner_r, outer_r, stops, n_stops); - - free (stops); - - return result; -} - -static pixman_image_t * -create_random_conical_image (void) -{ - pixman_gradient_stop_t *stops; - int n_stops; - pixman_point_fixed_t c; - pixman_fixed_t angle; - pixman_image_t *result; - - c = create_random_point(); - angle = lcg_rand(); - - stops = create_random_stops (&n_stops); - - if (!stops) - return NULL; - - result = pixman_image_create_conical_gradient (&c, angle, stops, n_stops); - - free (stops); - - return result; -} - -static pixman_image_t * -create_random_image (void) -{ - pixman_image_t *result; - - switch (lcg_rand_n (5)) - { - default: - case 0: - result = create_random_bits_image (); - break; - - case 1: - result = create_random_solid_image (); - break; - - case 2: - result = create_random_linear_image (); - break; - - case 3: - result = create_random_radial_image (); - break; - - case 4: - result = create_random_conical_image (); - break; - } - - if (result) - set_general_properties (result, TRUE); - - return result; -} - -static const pixman_op_t op_list[] = -{ - PIXMAN_OP_SRC, - PIXMAN_OP_OVER, - PIXMAN_OP_ADD, - PIXMAN_OP_CLEAR, - PIXMAN_OP_SRC, - PIXMAN_OP_DST, - PIXMAN_OP_OVER, - PIXMAN_OP_OVER_REVERSE, - PIXMAN_OP_IN, - PIXMAN_OP_IN_REVERSE, - PIXMAN_OP_OUT, - PIXMAN_OP_OUT_REVERSE, - PIXMAN_OP_ATOP, - PIXMAN_OP_ATOP_REVERSE, - PIXMAN_OP_XOR, - PIXMAN_OP_ADD, - PIXMAN_OP_SATURATE, - PIXMAN_OP_DISJOINT_CLEAR, - PIXMAN_OP_DISJOINT_SRC, - PIXMAN_OP_DISJOINT_DST, - PIXMAN_OP_DISJOINT_OVER, - PIXMAN_OP_DISJOINT_OVER_REVERSE, - PIXMAN_OP_DISJOINT_IN, - PIXMAN_OP_DISJOINT_IN_REVERSE, - PIXMAN_OP_DISJOINT_OUT, - PIXMAN_OP_DISJOINT_OUT_REVERSE, - PIXMAN_OP_DISJOINT_ATOP, - PIXMAN_OP_DISJOINT_ATOP_REVERSE, - PIXMAN_OP_DISJOINT_XOR, - PIXMAN_OP_CONJOINT_CLEAR, - PIXMAN_OP_CONJOINT_SRC, - PIXMAN_OP_CONJOINT_DST, - PIXMAN_OP_CONJOINT_OVER, - PIXMAN_OP_CONJOINT_OVER_REVERSE, - PIXMAN_OP_CONJOINT_IN, - PIXMAN_OP_CONJOINT_IN_REVERSE, - PIXMAN_OP_CONJOINT_OUT, - PIXMAN_OP_CONJOINT_OUT_REVERSE, - PIXMAN_OP_CONJOINT_ATOP, - PIXMAN_OP_CONJOINT_ATOP_REVERSE, - PIXMAN_OP_CONJOINT_XOR, - PIXMAN_OP_MULTIPLY, - PIXMAN_OP_SCREEN, - PIXMAN_OP_OVERLAY, - PIXMAN_OP_DARKEN, - PIXMAN_OP_LIGHTEN, - PIXMAN_OP_COLOR_DODGE, - PIXMAN_OP_COLOR_BURN, - PIXMAN_OP_HARD_LIGHT, - PIXMAN_OP_DIFFERENCE, - PIXMAN_OP_EXCLUSION, - PIXMAN_OP_SOFT_LIGHT, - PIXMAN_OP_HSL_HUE, - PIXMAN_OP_HSL_SATURATION, - PIXMAN_OP_HSL_COLOR, - PIXMAN_OP_HSL_LUMINOSITY, -}; - -static void -run_test (uint32_t seed) -{ - pixman_image_t *source, *mask, *dest; - pixman_op_t op; - - lcg_srand (seed); - - source = create_random_image (); - mask = create_random_image (); - dest = create_random_bits_image (); - - if (source && mask && dest) - { - set_general_properties (dest, TRUE); - - op = op_list [lcg_rand_n (ARRAY_LENGTH (op_list))]; - - pixman_image_composite32 (op, - source, mask, dest, - log_rand(), log_rand(), - log_rand(), log_rand(), - log_rand(), log_rand(), - absolute (log_rand()), - absolute (log_rand())); - } - if (source) - pixman_image_unref (source); - if (mask) - pixman_image_unref (mask); - if (dest) - pixman_image_unref (dest); -} - -static pixman_bool_t -get_int (char *s, uint32_t *i) -{ - char *end; - int p; - - p = strtol (s, &end, 0); - - if (end != s && *end == 0) - { - *i = p; - return TRUE; - } - - return FALSE; -} - -int -main (int argc, char **argv) -{ - int verbose = FALSE; - uint32_t seed = 1; - uint32_t n_tests = 0xffffffff; - uint32_t mod = 0; - uint32_t i; - - pixman_disable_out_of_bounds_workaround (); - - enable_fp_exceptions(); - - if (getenv ("VERBOSE") != NULL) - verbose = TRUE; - - for (i = 1; i < argc; ++i) - { - if (strcmp (argv[i], "-v") == 0) - { - verbose = TRUE; - - if (i + 1 < argc) - { - get_int (argv[i + 1], &mod); - i++; - } - } - else if (strcmp (argv[i], "-s") == 0 && i + 1 < argc) - { - get_int (argv[i + 1], &seed); - i++; - } - else if (strcmp (argv[i], "-n") == 0 && i + 1 < argc) - { - get_int (argv[i + 1], &n_tests); - i++; - } - else - { - if (strcmp (argv[i], "-h") != 0) - printf ("Unknown option '%s'\n\n", argv[i]); - - printf ("Options:\n\n" - "-n <number> Number of tests to run\n" - "-s <seed> Seed of first test\n" - "-v Print out seeds\n" - "-v <n> Print out every n'th seed\n\n"); - - exit (-1); - } - } - - if (n_tests == 0xffffffff) - n_tests = 8000; - - /* FIXME: seed 2005763 fails in set_lum() with divide by zero */ -#ifdef USE_OPENMP -# pragma omp parallel for default(none) shared(verbose, n_tests, mod, seed) -#endif - for (i = seed; i < seed + n_tests; ++i) - { - if (verbose) - { - if (mod == 0 || (i % mod) == 0) - printf ("Seed %d\n", i); - } - - run_test (i); - } - - return 0; -} +#include "utils.h"
+
+#if 0
+#define fence_malloc malloc
+#define fence_free free
+#define make_random_bytes malloc
+#endif
+
+static const pixman_format_code_t image_formats[] =
+{
+ PIXMAN_a8r8g8b8,
+ PIXMAN_x8r8g8b8,
+ PIXMAN_r5g6b5,
+ PIXMAN_r3g3b2,
+ PIXMAN_a8,
+ PIXMAN_a8b8g8r8,
+ PIXMAN_x8b8g8r8,
+ PIXMAN_b8g8r8a8,
+ PIXMAN_b8g8r8x8,
+ PIXMAN_x14r6g6b6,
+ PIXMAN_r8g8b8,
+ PIXMAN_b8g8r8,
+ PIXMAN_r5g6b5,
+ PIXMAN_b5g6r5,
+ PIXMAN_x2r10g10b10,
+ PIXMAN_a2r10g10b10,
+ PIXMAN_x2b10g10r10,
+ PIXMAN_a2b10g10r10,
+ PIXMAN_a1r5g5b5,
+ PIXMAN_x1r5g5b5,
+ PIXMAN_a1b5g5r5,
+ PIXMAN_x1b5g5r5,
+ PIXMAN_a4r4g4b4,
+ PIXMAN_x4r4g4b4,
+ PIXMAN_a4b4g4r4,
+ PIXMAN_x4b4g4r4,
+ PIXMAN_a8,
+ PIXMAN_r3g3b2,
+ PIXMAN_b2g3r3,
+ PIXMAN_a2r2g2b2,
+ PIXMAN_a2b2g2r2,
+ PIXMAN_c8,
+ PIXMAN_g8,
+ PIXMAN_x4c4,
+ PIXMAN_x4g4,
+ PIXMAN_c4,
+ PIXMAN_g4,
+ PIXMAN_g1,
+ PIXMAN_x4a4,
+ PIXMAN_a4,
+ PIXMAN_r1g2b1,
+ PIXMAN_b1g2r1,
+ PIXMAN_a1r1g1b1,
+ PIXMAN_a1b1g1r1,
+ PIXMAN_a1
+};
+
+static pixman_filter_t filters[] =
+{
+ PIXMAN_FILTER_NEAREST,
+ PIXMAN_FILTER_BILINEAR,
+ PIXMAN_FILTER_FAST,
+ PIXMAN_FILTER_GOOD,
+ PIXMAN_FILTER_BEST,
+ PIXMAN_FILTER_CONVOLUTION
+};
+
+static int
+get_size (void)
+{
+ switch (lcg_rand_n (28))
+ {
+ case 0:
+ return 1;
+
+ case 1:
+ return 2;
+
+ default:
+ case 2:
+ return lcg_rand_n (200);
+
+ case 4:
+ return lcg_rand_n (2000) + 1000;
+
+ case 5:
+ return 65535;
+
+ case 6:
+ return 65536;
+
+ case 7:
+ return lcg_rand_N (64000) + 63000;
+ }
+}
+
+static void
+destroy (pixman_image_t *image, void *data)
+{
+ if (image->type == BITS && image->bits.free_me != image->bits.bits)
+ {
+ uint32_t *bits;
+
+ if (image->bits.bits != (void *)0x01)
+ {
+ bits = image->bits.bits;
+
+ if (image->bits.rowstride < 0)
+ bits -= (- image->bits.rowstride * (image->bits.height - 1));
+
+ fence_free (bits);
+ }
+ }
+
+ free (data);
+}
+
+static uint32_t
+real_reader (const void *src, int size)
+{
+ switch (size)
+ {
+ case 1:
+ return *(uint8_t *)src;
+ case 2:
+ return *(uint16_t *)src;
+ case 4:
+ return *(uint32_t *)src;
+ default:
+ assert (0);
+ return 0; /* silence MSVC */
+ }
+}
+
+static void
+real_writer (void *src, uint32_t value, int size)
+{
+ switch (size)
+ {
+ case 1:
+ *(uint8_t *)src = value;
+ break;
+
+ case 2:
+ *(uint16_t *)src = value;
+ break;
+
+ case 4:
+ *(uint32_t *)src = value;
+ break;
+
+ default:
+ assert (0);
+ break;
+ }
+}
+
+static uint32_t
+fake_reader (const void *src, int size)
+{
+ uint32_t r = lcg_rand_u32 ();
+
+ assert (size == 1 || size == 2 || size == 4);
+ return r & ((1 << (size * 8)) - 1);
+}
+
+static void
+fake_writer (void *src, uint32_t value, int size)
+{
+ assert (size == 1 || size == 2 || size == 4);
+}
+
+static int32_t
+log_rand (void)
+{
+ uint32_t mask;
+
+ mask = (1 << lcg_rand_n (31)) - 1;
+
+ return (lcg_rand () & mask) - (mask >> 1);
+}
+
+static pixman_image_t *
+create_random_bits_image (void)
+{
+ pixman_format_code_t format;
+ pixman_indexed_t *indexed;
+ pixman_image_t *image;
+ int width, height, stride;
+ uint32_t *bits;
+ pixman_read_memory_func_t read_func = NULL;
+ pixman_write_memory_func_t write_func = NULL;
+ pixman_filter_t filter;
+ pixman_fixed_t *coefficients = NULL;
+ int n_coefficients = 0;
+
+ /* format */
+ format = image_formats[lcg_rand_n (ARRAY_LENGTH (image_formats))];
+
+ indexed = NULL;
+ if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_COLOR)
+ {
+ indexed = malloc (sizeof (pixman_indexed_t));
+
+ initialize_palette (indexed, PIXMAN_FORMAT_BPP (format), TRUE);
+ }
+ else if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_GRAY)
+ {
+ indexed = malloc (sizeof (pixman_indexed_t));
+
+ initialize_palette (indexed, PIXMAN_FORMAT_BPP (format), FALSE);
+ }
+ else
+ {
+ indexed = NULL;
+ }
+
+ /* size */
+ width = get_size ();
+ height = get_size ();
+
+ if ((uint64_t)width * height > 200000)
+ {
+ if (lcg_rand_n(2) == 0)
+ height = 200000 / width;
+ else
+ width = 200000 / height;
+ }
+
+ if (height == 0)
+ height = 1;
+ if (width == 0)
+ width = 1;
+
+ /* bits */
+ switch (lcg_rand_n (7))
+ {
+ default:
+ case 0:
+ stride = width * PIXMAN_FORMAT_BPP (format) + lcg_rand_n (17);
+ stride = (stride + 3) & (~3);
+ bits = (uint32_t *)make_random_bytes (height * stride);
+ break;
+
+ case 1:
+ stride = 0;
+ bits = NULL;
+ break;
+
+ case 2: /* Zero-filled */
+ stride = width * PIXMAN_FORMAT_BPP (format) + lcg_rand_n (17);
+ stride = (stride + 3) & (~3);
+ bits = fence_malloc (height * stride);
+ if (!bits)
+ return NULL;
+ memset (bits, 0, height * stride);
+ break;
+
+ case 3: /* Filled with 0xFF */
+ stride = width * PIXMAN_FORMAT_BPP (format) + lcg_rand_n (17);
+ stride = (stride + 3) & (~3);
+ bits = fence_malloc (height * stride);
+ if (!bits)
+ return NULL;
+ memset (bits, 0xff, height * stride);
+ break;
+
+ case 4: /* bits is a bad pointer, has read/write functions */
+ stride = 232;
+ bits = (void *)0x01;
+ read_func = fake_reader;
+ write_func = fake_writer;
+ break;
+
+ case 5: /* bits is a real pointer, has read/write functions */
+ stride = width * PIXMAN_FORMAT_BPP (format) + lcg_rand_n (17);
+ stride = (stride + 3) & (~3);
+ bits = fence_malloc (height * stride);
+ if (!bits)
+ return NULL;
+ memset (bits, 0xff, height * stride);
+ read_func = real_reader;
+ write_func = real_writer;
+ break;
+
+ case 6: /* bits is a real pointer, stride is negative */
+ stride = (width * PIXMAN_FORMAT_BPP (format) + lcg_rand_n (17));
+ stride = (stride + 3) & (~3);
+ bits = (uint32_t *)make_random_bytes (height * stride);
+ if (!bits)
+ return NULL;
+ bits += ((height - 1) * stride) / 4;
+ stride = - stride;
+ break;
+ }
+
+ /* Filter */
+ filter = filters[lcg_rand_n (ARRAY_LENGTH (filters))];
+ if (filter == PIXMAN_FILTER_CONVOLUTION)
+ {
+ int width = lcg_rand_n (17);
+ int height = lcg_rand_n (19);
+
+ n_coefficients = width * height + 2;
+ coefficients = malloc (n_coefficients * sizeof (pixman_fixed_t));
+
+ if (coefficients)
+ {
+ int i;
+
+ for (i = 0; i < width * height; ++i)
+ coefficients[i + 2] = lcg_rand_u32();
+
+ coefficients[0] = width << 16;
+ coefficients[1] = height << 16;
+ }
+ else
+ {
+ filter = PIXMAN_FILTER_BEST;
+ }
+ }
+
+ /* Finally create the image */
+ image = pixman_image_create_bits (format, width, height, bits, stride);
+ if (!image)
+ return NULL;
+
+ pixman_image_set_indexed (image, indexed);
+ pixman_image_set_destroy_function (image, destroy, indexed);
+ pixman_image_set_accessors (image, read_func, write_func);
+ pixman_image_set_filter (image, filter, coefficients, n_coefficients);
+
+ return image;
+}
+
+static pixman_repeat_t repeats[] =
+{
+ PIXMAN_REPEAT_NONE,
+ PIXMAN_REPEAT_NORMAL,
+ PIXMAN_REPEAT_REFLECT,
+ PIXMAN_REPEAT_PAD
+};
+
+static uint32_t
+absolute (int32_t i)
+{
+ return i < 0? -i : i;
+}
+
+static void
+set_general_properties (pixman_image_t *image, pixman_bool_t allow_alpha_map)
+{
+ pixman_repeat_t repeat;
+
+ /* Set properties that are generic to all images */
+
+ /* Repeat */
+ repeat = repeats[lcg_rand_n (ARRAY_LENGTH (repeats))];
+ pixman_image_set_repeat (image, repeat);
+
+ /* Alpha map */
+ if (allow_alpha_map && lcg_rand_n (3) == 0)
+ {
+ pixman_image_t *alpha_map;
+ int16_t x, y;
+
+ alpha_map = create_random_bits_image ();
+
+ if (alpha_map)
+ {
+ set_general_properties (alpha_map, FALSE);
+
+ x = lcg_rand_N (100000) - 65536;
+ y = lcg_rand_N (100000) - 65536;
+
+ pixman_image_set_alpha_map (image, alpha_map, x, y);
+
+ pixman_image_unref (alpha_map);
+ }
+ }
+
+ /* Component alpha */
+ pixman_image_set_component_alpha (image, lcg_rand_n (3) == 0);
+
+ /* Clip region */
+ if (lcg_rand_n (8) != 0)
+ {
+ pixman_region32_t region;
+ int i, n_rects;
+
+ pixman_region32_init (®ion);
+
+ switch (lcg_rand_n (10))
+ {
+ case 0:
+ n_rects = 0;
+ break;
+
+ case 1: case 2: case 3:
+ n_rects = 1;
+ break;
+
+ case 4: case 5:
+ n_rects = 2;
+ break;
+
+ case 6: case 7:
+ n_rects = 3;
+
+ default:
+ n_rects = lcg_rand_n (100);
+ break;
+ }
+
+ for (i = 0; i < n_rects; ++i)
+ {
+ uint32_t width, height;
+ int x, y;
+
+ x = log_rand();
+ y = log_rand();
+ width = absolute (log_rand ()) + 1;
+ height = absolute (log_rand ()) + 1;
+
+ pixman_region32_union_rect (
+ ®ion, ®ion, x, y, width, height);
+ }
+
+ pixman_image_set_clip_region32 (image, ®ion);
+
+ pixman_region32_fini (®ion);
+ }
+
+ /* Whether source clipping is enabled */
+ pixman_image_set_source_clipping (image, !!lcg_rand_n (2));
+
+ /* Client clip */
+ pixman_image_set_has_client_clip (image, !!lcg_rand_n (2));
+
+ /* Transform */
+ if (lcg_rand_n (5) < 2)
+ {
+ pixman_transform_t xform;
+ int i, j, k;
+ uint32_t tx, ty, sx, sy;
+ uint32_t c, s;
+
+ memset (&xform, 0, sizeof xform);
+ xform.matrix[0][0] = pixman_fixed_1;
+ xform.matrix[1][1] = pixman_fixed_1;
+ xform.matrix[2][2] = pixman_fixed_1;
+
+ for (k = 0; k < 3; ++k)
+ {
+ switch (lcg_rand_n (4))
+ {
+ case 0:
+ /* rotation */
+ c = lcg_rand_N (2 * 65536) - 65536;
+ s = lcg_rand_N (2 * 65536) - 65536;
+ pixman_transform_rotate (&xform, NULL, c, s);
+ break;
+
+ case 1:
+ /* translation */
+ tx = lcg_rand_u32();
+ ty = lcg_rand_u32();
+ pixman_transform_translate (&xform, NULL, tx, ty);
+ break;
+
+ case 2:
+ /* scale */
+ sx = lcg_rand_u32();
+ sy = lcg_rand_u32();
+ pixman_transform_scale (&xform, NULL, sx, sy);
+ break;
+
+ case 3:
+ if (lcg_rand_n (16) == 0)
+ {
+ /* random */
+ for (i = 0; i < 3; ++i)
+ for (j = 0; j < 3; ++j)
+ xform.matrix[i][j] = lcg_rand_u32();
+ break;
+ }
+ else if (lcg_rand_n (16) == 0)
+ {
+ /* zero */
+ memset (&xform, 0, sizeof xform);
+ }
+ break;
+ }
+ }
+
+ pixman_image_set_transform (image, &xform);
+ }
+}
+
+static pixman_color_t
+random_color (void)
+{
+ pixman_color_t color =
+ {
+ lcg_rand() & 0xffff,
+ lcg_rand() & 0xffff,
+ lcg_rand() & 0xffff,
+ lcg_rand() & 0xffff,
+ };
+
+ return color;
+}
+
+
+static pixman_image_t *
+create_random_solid_image (void)
+{
+ pixman_color_t color = random_color();
+ pixman_image_t *image = pixman_image_create_solid_fill (&color);
+
+ return image;
+}
+
+static pixman_gradient_stop_t *
+create_random_stops (int *n_stops)
+{
+ pixman_fixed_t step;
+ pixman_fixed_t s;
+ int i;
+ pixman_gradient_stop_t *stops;
+
+ *n_stops = lcg_rand_n (50) + 1;
+
+ step = pixman_fixed_1 / *n_stops;
+
+ stops = malloc (*n_stops * sizeof (pixman_gradient_stop_t));
+
+ s = 0;
+ for (i = 0; i < (*n_stops) - 1; ++i)
+ {
+ stops[i].x = s;
+ stops[i].color = random_color();
+
+ s += step;
+ }
+
+ stops[*n_stops - 1].x = pixman_fixed_1;
+ stops[*n_stops - 1].color = random_color();
+
+ return stops;
+}
+
+static pixman_point_fixed_t
+create_random_point (void)
+{
+ pixman_point_fixed_t p;
+
+ p.x = log_rand ();
+ p.y = log_rand ();
+
+ return p;
+}
+
+static pixman_image_t *
+create_random_linear_image (void)
+{
+ int n_stops;
+ pixman_gradient_stop_t *stops;
+ pixman_point_fixed_t p1, p2;
+ pixman_image_t *result;
+
+ stops = create_random_stops (&n_stops);
+ if (!stops)
+ return NULL;
+
+ p1 = create_random_point ();
+ p2 = create_random_point ();
+
+ result = pixman_image_create_linear_gradient (&p1, &p2, stops, n_stops);
+
+ free (stops);
+
+ return result;
+}
+
+static pixman_image_t *
+create_random_radial_image (void)
+{
+ int n_stops;
+ pixman_gradient_stop_t *stops;
+ pixman_point_fixed_t inner_c, outer_c;
+ pixman_fixed_t inner_r, outer_r;
+ pixman_image_t *result;
+
+ inner_c = create_random_point();
+ outer_c = create_random_point();
+ inner_r = lcg_rand();
+ outer_r = lcg_rand();
+
+ stops = create_random_stops (&n_stops);
+
+ if (!stops)
+ return NULL;
+
+ result = pixman_image_create_radial_gradient (
+ &inner_c, &outer_c, inner_r, outer_r, stops, n_stops);
+
+ free (stops);
+
+ return result;
+}
+
+static pixman_image_t *
+create_random_conical_image (void)
+{
+ pixman_gradient_stop_t *stops;
+ int n_stops;
+ pixman_point_fixed_t c;
+ pixman_fixed_t angle;
+ pixman_image_t *result;
+
+ c = create_random_point();
+ angle = lcg_rand();
+
+ stops = create_random_stops (&n_stops);
+
+ if (!stops)
+ return NULL;
+
+ result = pixman_image_create_conical_gradient (&c, angle, stops, n_stops);
+
+ free (stops);
+
+ return result;
+}
+
+static pixman_image_t *
+create_random_image (void)
+{
+ pixman_image_t *result;
+
+ switch (lcg_rand_n (5))
+ {
+ default:
+ case 0:
+ result = create_random_bits_image ();
+ break;
+
+ case 1:
+ result = create_random_solid_image ();
+ break;
+
+ case 2:
+ result = create_random_linear_image ();
+ break;
+
+ case 3:
+ result = create_random_radial_image ();
+ break;
+
+ case 4:
+ result = create_random_conical_image ();
+ break;
+ }
+
+ if (result)
+ set_general_properties (result, TRUE);
+
+ return result;
+}
+
+static const pixman_op_t op_list[] =
+{
+ PIXMAN_OP_SRC,
+ PIXMAN_OP_OVER,
+ PIXMAN_OP_ADD,
+ PIXMAN_OP_CLEAR,
+ PIXMAN_OP_SRC,
+ PIXMAN_OP_DST,
+ PIXMAN_OP_OVER,
+ PIXMAN_OP_OVER_REVERSE,
+ PIXMAN_OP_IN,
+ PIXMAN_OP_IN_REVERSE,
+ PIXMAN_OP_OUT,
+ PIXMAN_OP_OUT_REVERSE,
+ PIXMAN_OP_ATOP,
+ PIXMAN_OP_ATOP_REVERSE,
+ PIXMAN_OP_XOR,
+ PIXMAN_OP_ADD,
+ PIXMAN_OP_SATURATE,
+ PIXMAN_OP_DISJOINT_CLEAR,
+ PIXMAN_OP_DISJOINT_SRC,
+ PIXMAN_OP_DISJOINT_DST,
+ PIXMAN_OP_DISJOINT_OVER,
+ PIXMAN_OP_DISJOINT_OVER_REVERSE,
+ PIXMAN_OP_DISJOINT_IN,
+ PIXMAN_OP_DISJOINT_IN_REVERSE,
+ PIXMAN_OP_DISJOINT_OUT,
+ PIXMAN_OP_DISJOINT_OUT_REVERSE,
+ PIXMAN_OP_DISJOINT_ATOP,
+ PIXMAN_OP_DISJOINT_ATOP_REVERSE,
+ PIXMAN_OP_DISJOINT_XOR,
+ PIXMAN_OP_CONJOINT_CLEAR,
+ PIXMAN_OP_CONJOINT_SRC,
+ PIXMAN_OP_CONJOINT_DST,
+ PIXMAN_OP_CONJOINT_OVER,
+ PIXMAN_OP_CONJOINT_OVER_REVERSE,
+ PIXMAN_OP_CONJOINT_IN,
+ PIXMAN_OP_CONJOINT_IN_REVERSE,
+ PIXMAN_OP_CONJOINT_OUT,
+ PIXMAN_OP_CONJOINT_OUT_REVERSE,
+ PIXMAN_OP_CONJOINT_ATOP,
+ PIXMAN_OP_CONJOINT_ATOP_REVERSE,
+ PIXMAN_OP_CONJOINT_XOR,
+ PIXMAN_OP_MULTIPLY,
+ PIXMAN_OP_SCREEN,
+ PIXMAN_OP_OVERLAY,
+ PIXMAN_OP_DARKEN,
+ PIXMAN_OP_LIGHTEN,
+ PIXMAN_OP_COLOR_DODGE,
+ PIXMAN_OP_COLOR_BURN,
+ PIXMAN_OP_HARD_LIGHT,
+ PIXMAN_OP_DIFFERENCE,
+ PIXMAN_OP_EXCLUSION,
+ PIXMAN_OP_SOFT_LIGHT,
+ PIXMAN_OP_HSL_HUE,
+ PIXMAN_OP_HSL_SATURATION,
+ PIXMAN_OP_HSL_COLOR,
+ PIXMAN_OP_HSL_LUMINOSITY,
+};
+
+static void
+run_test (uint32_t seed)
+{
+ pixman_image_t *source, *mask, *dest;
+ pixman_op_t op;
+
+ lcg_srand (seed);
+
+ source = create_random_image ();
+ mask = create_random_image ();
+ dest = create_random_bits_image ();
+
+ if (source && mask && dest)
+ {
+ set_general_properties (dest, TRUE);
+
+ op = op_list [lcg_rand_n (ARRAY_LENGTH (op_list))];
+
+ pixman_image_composite32 (op,
+ source, mask, dest,
+ log_rand(), log_rand(),
+ log_rand(), log_rand(),
+ log_rand(), log_rand(),
+ absolute (log_rand()),
+ absolute (log_rand()));
+ }
+ if (source)
+ pixman_image_unref (source);
+ if (mask)
+ pixman_image_unref (mask);
+ if (dest)
+ pixman_image_unref (dest);
+}
+
+static pixman_bool_t
+get_int (char *s, uint32_t *i)
+{
+ char *end;
+ int p;
+
+ p = strtol (s, &end, 0);
+
+ if (end != s && *end == 0)
+ {
+ *i = p;
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+int
+main (int argc, char **argv)
+{
+ int verbose = FALSE;
+ uint32_t seed = 1;
+ uint32_t n_tests = 0xffffffff;
+ uint32_t mod = 0;
+ uint32_t i;
+
+ pixman_disable_out_of_bounds_workaround ();
+
+ enable_fp_exceptions();
+
+ if (getenv ("VERBOSE") != NULL)
+ verbose = TRUE;
+
+ for (i = 1; i < argc; ++i)
+ {
+ if (strcmp (argv[i], "-v") == 0)
+ {
+ verbose = TRUE;
+
+ if (i + 1 < argc)
+ {
+ get_int (argv[i + 1], &mod);
+ i++;
+ }
+ }
+ else if (strcmp (argv[i], "-s") == 0 && i + 1 < argc)
+ {
+ get_int (argv[i + 1], &seed);
+ i++;
+ }
+ else if (strcmp (argv[i], "-n") == 0 && i + 1 < argc)
+ {
+ get_int (argv[i + 1], &n_tests);
+ i++;
+ }
+ else
+ {
+ if (strcmp (argv[i], "-h") != 0)
+ printf ("Unknown option '%s'\n\n", argv[i]);
+
+ printf ("Options:\n\n"
+ "-n <number> Number of tests to run\n"
+ "-s <seed> Seed of first test\n"
+ "-v Print out seeds\n"
+ "-v <n> Print out every n'th seed\n\n");
+
+ exit (-1);
+ }
+ }
+
+ if (n_tests == 0xffffffff)
+ n_tests = 8000;
+
+ /* FIXME: seed 2005763 fails in set_lum() with divide by zero */
+#ifdef USE_OPENMP
+# pragma omp parallel for default(none) shared(verbose, n_tests, mod, seed)
+#endif
+ for (i = seed; i < seed + n_tests; ++i)
+ {
+ if (verbose)
+ {
+ if (mod == 0 || (i % mod) == 0)
+ printf ("Seed %d\n", i);
+ }
+
+ run_test (i);
+ }
+
+ return 0;
+}
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