--- /dev/null
+#include <stdio.h>
+#include <stdlib.h>
+#include "utils.h"
+#include <sys/types.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_r8g8b8a8,
+ PIXMAN_r8g8b8x8,
+ PIXMAN_x14r6g6b6,
+ PIXMAN_r8g8b8,
+ PIXMAN_b8g8r8,
+ PIXMAN_a8r8g8b8_sRGB,
+ 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 (prng_rand_n (28))
+ {
+ case 0:
+ return 1;
+
+ case 1:
+ return 2;
+
+ default:
+ case 2:
+ return prng_rand_n (100);
+
+ case 4:
+ return prng_rand_n (2000) + 1000;
+
+ case 5:
+ return 65535;
+
+ case 6:
+ return 65536;
+
+ case 7:
+ return prng_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 = prng_rand ();
+
+ assert (size == 1 || size == 2 || size == 4);
+
+ return r >> (32 - (size * 8));
+}
+
+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 << prng_rand_n (10)) - 1;
+
+ return (prng_rand () & mask) - (mask >> 1);
+}
+
+static int32_t
+rand_x (pixman_image_t *image)
+{
+ if (image->type == BITS)
+ return prng_rand_n (image->bits.width);
+ else
+ return log_rand ();
+}
+
+static int32_t
+rand_y (pixman_image_t *image)
+{
+ if (image->type == BITS)
+ return prng_rand_n (image->bits.height);
+ else
+ return log_rand ();
+}
+
+typedef enum
+{
+ DONT_CARE,
+ PREFER_ALPHA,
+ REQUIRE_ALPHA
+} alpha_preference_t;
+
+static pixman_format_code_t
+random_format (alpha_preference_t alpha)
+{
+ pixman_format_code_t format;
+ int n = prng_rand_n (ARRAY_LENGTH (image_formats));
+
+ if (alpha >= PREFER_ALPHA &&
+ (alpha == REQUIRE_ALPHA || prng_rand_n (4) != 0))
+ {
+ do
+ {
+ format = image_formats[n++ % ARRAY_LENGTH (image_formats)];
+ } while (PIXMAN_FORMAT_TYPE (format) != PIXMAN_TYPE_A);
+ }
+ else
+ {
+ format = image_formats[n];
+ }
+
+ return format;
+}
+
+static pixman_image_t *
+create_random_bits_image (alpha_preference_t alpha_preference)
+{
+ 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 = random_format (alpha_preference);
+
+ 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 ();
+
+ while ((uint64_t)width * height > 200000)
+ {
+ if (prng_rand_n(2) == 0)
+ height = 200000 / width;
+ else
+ width = 200000 / height;
+ }
+
+ if (height == 0)
+ height = 1;
+ if (width == 0)
+ width = 1;
+
+ /* bits */
+ switch (prng_rand_n (7))
+ {
+ default:
+ case 0:
+ stride = width * PIXMAN_FORMAT_BPP (format) + prng_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) + prng_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) + prng_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) + prng_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) + prng_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[prng_rand_n (ARRAY_LENGTH (filters))];
+ if (filter == PIXMAN_FILTER_CONVOLUTION)
+ {
+ int width = prng_rand_n (3);
+ int height = prng_rand_n (4);
+
+ 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] = prng_rand();
+
+ 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[prng_rand_n (ARRAY_LENGTH (repeats))];
+ pixman_image_set_repeat (image, repeat);
+
+ /* Alpha map */
+ if (allow_alpha_map && prng_rand_n (4) == 0)
+ {
+ pixman_image_t *alpha_map;
+ int16_t x, y;
+
+ alpha_map = create_random_bits_image (DONT_CARE);
+
+ if (alpha_map)
+ {
+ set_general_properties (alpha_map, FALSE);
+
+ x = rand_x (image) - image->bits.width / 2;
+ y = rand_y (image) - image->bits.height / 2;
+
+ pixman_image_set_alpha_map (image, alpha_map, x, y);
+
+ pixman_image_unref (alpha_map);
+ }
+ }
+
+ /* Component alpha */
+ pixman_image_set_component_alpha (image, prng_rand_n (3) == 0);
+
+ /* Clip region */
+ if (prng_rand_n (8) < 2)
+ {
+ pixman_region32_t region;
+ int i, n_rects;
+
+ pixman_region32_init (®ion);
+
+ switch (prng_rand_n (12))
+ {
+ 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;
+ break;
+
+ default:
+ n_rects = prng_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);
+ }
+
+ if (image->type == BITS && prng_rand_n (8) != 0)
+ {
+ uint32_t width, height;
+ int x, y;
+ int i;
+
+ /* Also add a couple of clip rectangles inside the image
+ * so that compositing will actually take place.
+ */
+ for (i = 0; i < 5; ++i)
+ {
+ x = prng_rand_n (2 * image->bits.width) - image->bits.width;
+ y = prng_rand_n (2 * image->bits.height) - image->bits.height;
+ width = prng_rand_n (image->bits.width) - x + 10;
+ height = prng_rand_n (image->bits.height) - y + 10;
+
+ if (width + x < x)
+ width = INT32_MAX - x;
+ if (height + y < y)
+ height = INT32_MAX - y;
+
+ 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, !!prng_rand_n (2));
+
+ /* Client clip */
+ pixman_image_set_has_client_clip (image, !!prng_rand_n (2));
+
+ /* Transform */
+ if (prng_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 (prng_rand_n (4))
+ {
+ case 0:
+ /* rotation */
+ c = prng_rand_n (2 * 65536) - 65536;
+ s = prng_rand_n (2 * 65536) - 65536;
+ pixman_transform_rotate (&xform, NULL, c, s);
+ break;
+
+ case 1:
+ /* translation */
+ tx = prng_rand();
+ ty = prng_rand();
+ pixman_transform_translate (&xform, NULL, tx, ty);
+ break;
+
+ case 2:
+ /* scale */
+ sx = prng_rand();
+ sy = prng_rand();
+ pixman_transform_scale (&xform, NULL, sx, sy);
+ break;
+
+ case 3:
+ if (prng_rand_n (16) == 0)
+ {
+ /* random */
+ for (i = 0; i < 3; ++i)
+ for (j = 0; j < 3; ++j)
+ xform.matrix[i][j] = prng_rand();
+ break;
+ }
+ else if (prng_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 =
+ {
+ prng_rand() & 0xffff,
+ prng_rand() & 0xffff,
+ prng_rand() & 0xffff,
+ prng_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 = prng_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 = prng_rand();
+ outer_r = prng_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 = prng_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 (prng_rand_n (5))
+ {
+ default:
+ case 0:
+ result = create_random_bits_image (DONT_CARE);
+ 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 void
+random_line (pixman_line_fixed_t *line, int width, int height)
+{
+ line->p1.x = prng_rand_n (width) << 16;
+ line->p1.y = prng_rand_n (height) << 16;
+ line->p2.x = prng_rand_n (width) << 16;
+ line->p2.y = prng_rand_n (height) << 16;
+}
+
+static pixman_trapezoid_t *
+create_random_trapezoids (int *n_traps, int height, int width)
+{
+ pixman_trapezoid_t *trapezoids;
+ int i;
+
+ *n_traps = prng_rand_n (16) + 1;
+
+ trapezoids = malloc (sizeof (pixman_trapezoid_t) * *n_traps);
+
+ for (i = 0; i < *n_traps; ++i)
+ {
+ pixman_trapezoid_t *t = &(trapezoids[i]);
+
+ t->top = prng_rand_n (height) << 16;
+ t->bottom = prng_rand_n (height) << 16;
+
+ random_line (&t->left, height, width);
+ random_line (&t->right, height, width);
+ }
+
+ return trapezoids;
+}
+
+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_bool_t verbose, uint32_t mod)
+{
+ pixman_image_t *source, *mask, *dest;
+ pixman_op_t op;
+
+ if (verbose)
+ {
+ if (mod == 0 || (seed % mod) == 0)
+ printf ("Seed 0x%08x\n", seed);
+ }
+
+ source = mask = dest = NULL;
+
+ prng_srand (seed);
+
+ if (prng_rand_n (8) == 0)
+ {
+ int n_traps;
+ pixman_trapezoid_t *trapezoids;
+ int p = prng_rand_n (3);
+
+ if (p == 0)
+ dest = create_random_bits_image (DONT_CARE);
+ else
+ dest = create_random_bits_image (REQUIRE_ALPHA);
+
+ if (!dest)
+ goto out;
+
+ set_general_properties (dest, TRUE);
+
+ if (!(trapezoids = create_random_trapezoids (
+ &n_traps, dest->bits.width, dest->bits.height)))
+ {
+ goto out;
+ }
+
+ switch (p)
+ {
+ case 0:
+ source = create_random_image ();
+
+ if (source)
+ {
+ op = op_list [prng_rand_n (ARRAY_LENGTH (op_list))];
+
+ pixman_composite_trapezoids (
+ op, source, dest,
+ random_format (REQUIRE_ALPHA),
+ rand_x (source), rand_y (source),
+ rand_x (dest), rand_y (dest),
+ n_traps, trapezoids);
+ }
+ break;
+
+ case 1:
+ pixman_rasterize_trapezoid (
+ dest, &trapezoids[prng_rand_n (n_traps)],
+ rand_x (dest), rand_y (dest));
+ break;
+
+ case 2:
+ pixman_add_trapezoids (
+ dest, rand_x (dest), rand_y (dest), n_traps, trapezoids);
+ break;
+ }
+
+ free (trapezoids);
+ }
+ else
+ {
+ dest = create_random_bits_image (DONT_CARE);
+ source = create_random_image ();
+ mask = create_random_image ();
+
+ if (source && mask && dest)
+ {
+ set_general_properties (dest, TRUE);
+
+ op = op_list [prng_rand_n (ARRAY_LENGTH (op_list))];
+
+ pixman_image_composite32 (op,
+ source, mask, dest,
+ rand_x (source), rand_y (source),
+ rand_x (mask), rand_y (mask),
+ 0, 0,
+ dest->bits.width,
+ dest->bits.height);
+ }
+ }
+
+out:
+ 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 = 8000;
+ uint32_t mod = 0;
+ pixman_bool_t use_threads = TRUE;
+ int32_t i;
+
+ pixman_disable_out_of_bounds_workaround ();
+
+ enable_divbyzero_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);
+ use_threads = FALSE;
+ 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 (ignored if PIXMAN_RANDOMIZE_TESTS is set)\n"
+ "-v Print out seeds\n"
+ "-v <n> Print out every n'th seed\n\n");
+
+ exit (-1);
+ }
+ }
+
+ if (getenv ("PIXMAN_RANDOMIZE_TESTS"))
+ {
+ seed = get_random_seed();
+ printf ("First seed: 0x%08x\n", seed);
+ }
+
+ if (use_threads)
+ {
+#ifdef USE_OPENMP
+# pragma omp parallel for default(none) shared(verbose, n_tests, mod, seed)
+#endif
+ for (i = 0; i < (int32_t)n_tests; ++i)
+ run_test (seed + i, verbose, mod);
+ }
+ else
+ {
+ for (i = 0; i < (int32_t)n_tests; ++i)
+ run_test (seed + i, verbose, mod);
+ }
+
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff