339 lines
7.5 KiB
C
339 lines
7.5 KiB
C
#include <stdlib.h>
|
|
#include "utils.h"
|
|
|
|
static const pixman_format_code_t glyph_formats[] =
|
|
{
|
|
PIXMAN_a8r8g8b8,
|
|
PIXMAN_a8,
|
|
PIXMAN_a4,
|
|
PIXMAN_a1,
|
|
PIXMAN_x8r8g8b8,
|
|
PIXMAN_r3g3b2,
|
|
PIXMAN_null,
|
|
};
|
|
|
|
static const pixman_format_code_t formats[] =
|
|
{
|
|
PIXMAN_a8r8g8b8,
|
|
PIXMAN_a8b8g8r8,
|
|
PIXMAN_x8r8g8b8,
|
|
PIXMAN_x8b8g8r8,
|
|
PIXMAN_r5g6b5,
|
|
PIXMAN_b5g6r5,
|
|
PIXMAN_a8,
|
|
PIXMAN_a1,
|
|
PIXMAN_r3g3b2,
|
|
PIXMAN_b8g8r8a8,
|
|
PIXMAN_b8g8r8x8,
|
|
PIXMAN_r8g8b8a8,
|
|
PIXMAN_r8g8b8x8,
|
|
PIXMAN_x14r6g6b6,
|
|
PIXMAN_r8g8b8,
|
|
PIXMAN_b8g8r8,
|
|
#if 0
|
|
/* These use floating point */
|
|
PIXMAN_x2r10g10b10,
|
|
PIXMAN_a2r10g10b10,
|
|
PIXMAN_x2b10g10r10,
|
|
PIXMAN_a2b10g10r10,
|
|
#endif
|
|
PIXMAN_a1r5g5b5,
|
|
PIXMAN_x1r5g5b5,
|
|
PIXMAN_a1b5g5r5,
|
|
PIXMAN_x1b5g5r5,
|
|
PIXMAN_a4r4g4b4,
|
|
PIXMAN_x4r4g4b4,
|
|
PIXMAN_a4b4g4r4,
|
|
PIXMAN_x4b4g4r4,
|
|
PIXMAN_r3g3b2,
|
|
PIXMAN_b2g3r3,
|
|
PIXMAN_a2r2g2b2,
|
|
PIXMAN_a2b2g2r2,
|
|
PIXMAN_x4a4,
|
|
PIXMAN_a4,
|
|
PIXMAN_r1g2b1,
|
|
PIXMAN_b1g2r1,
|
|
PIXMAN_a1r1g1b1,
|
|
PIXMAN_a1b1g1r1,
|
|
PIXMAN_null,
|
|
};
|
|
|
|
static const pixman_op_t operators[] =
|
|
{
|
|
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
|
|
};
|
|
|
|
enum
|
|
{
|
|
ALLOW_CLIPPED = (1 << 0),
|
|
ALLOW_ALPHA_MAP = (1 << 1),
|
|
ALLOW_SOURCE_CLIPPING = (1 << 2),
|
|
ALLOW_REPEAT = (1 << 3),
|
|
ALLOW_SOLID = (1 << 4),
|
|
ALLOW_FENCED_MEMORY = (1 << 5),
|
|
};
|
|
|
|
static void
|
|
destroy_fenced (pixman_image_t *image, void *data)
|
|
{
|
|
fence_free (data);
|
|
}
|
|
|
|
static void
|
|
destroy_malloced (pixman_image_t *image, void *data)
|
|
{
|
|
free (data);
|
|
}
|
|
|
|
static pixman_format_code_t
|
|
random_format (const pixman_format_code_t *formats)
|
|
{
|
|
int i;
|
|
i = 0;
|
|
while (formats[i] != PIXMAN_null)
|
|
++i;
|
|
return formats[lcg_rand_n (i)];
|
|
}
|
|
|
|
static pixman_image_t *
|
|
create_image (int max_size, const pixman_format_code_t *formats, uint32_t flags)
|
|
{
|
|
int width, height;
|
|
pixman_image_t *image;
|
|
pixman_format_code_t format;
|
|
uint32_t *data;
|
|
int bpp;
|
|
int stride;
|
|
int i;
|
|
pixman_image_destroy_func_t destroy;
|
|
|
|
if ((flags & ALLOW_SOLID) && lcg_rand_n (4) == 0)
|
|
{
|
|
pixman_color_t color;
|
|
|
|
color.alpha = lcg_rand_u32();
|
|
color.red = lcg_rand_u32();
|
|
color.green = lcg_rand_u32();
|
|
color.blue = lcg_rand_u32();
|
|
|
|
return pixman_image_create_solid_fill (&color);
|
|
}
|
|
|
|
width = lcg_rand_n (max_size) + 1;
|
|
height = lcg_rand_n (max_size) + 1;
|
|
format = random_format (formats);
|
|
|
|
bpp = PIXMAN_FORMAT_BPP (format);
|
|
stride = (width * bpp + 7) / 8 + lcg_rand_n (17);
|
|
stride = (stride + 3) & ~3;
|
|
|
|
if (lcg_rand_n (64) == 0)
|
|
{
|
|
if (!(data = (uint32_t *)make_random_bytes (stride * height)))
|
|
{
|
|
fprintf (stderr, "Out of memory\n");
|
|
abort ();
|
|
}
|
|
destroy = destroy_fenced;
|
|
}
|
|
else
|
|
{
|
|
uint8_t *d8;
|
|
|
|
data = malloc (stride * height);
|
|
|
|
d8 = (uint8_t *)data;
|
|
for (i = 0; i < height * stride; ++i)
|
|
d8[i] = lcg_rand_n (256);
|
|
|
|
destroy = destroy_malloced;
|
|
}
|
|
|
|
image = pixman_image_create_bits (format, width, height, data, stride);
|
|
pixman_image_set_destroy_function (image, destroy, data);
|
|
|
|
if ((flags & ALLOW_CLIPPED) && lcg_rand_n (8) == 0)
|
|
{
|
|
pixman_box16_t clip_boxes[8];
|
|
pixman_region16_t clip;
|
|
int n = lcg_rand_n (8) + 1;
|
|
|
|
for (i = 0; i < n; i++)
|
|
{
|
|
clip_boxes[i].x1 = lcg_rand_n (width);
|
|
clip_boxes[i].y1 = lcg_rand_n (height);
|
|
clip_boxes[i].x2 =
|
|
clip_boxes[i].x1 + lcg_rand_n (width - clip_boxes[i].x1);
|
|
clip_boxes[i].y2 =
|
|
clip_boxes[i].y1 + lcg_rand_n (height - clip_boxes[i].y1);
|
|
}
|
|
|
|
pixman_region_init_rects (&clip, clip_boxes, n);
|
|
pixman_image_set_clip_region (image, &clip);
|
|
pixman_region_fini (&clip);
|
|
}
|
|
|
|
if ((flags & ALLOW_SOURCE_CLIPPING) && lcg_rand_n (4) == 0)
|
|
{
|
|
pixman_image_set_source_clipping (image, TRUE);
|
|
pixman_image_set_has_client_clip (image, TRUE);
|
|
}
|
|
|
|
if ((flags & ALLOW_ALPHA_MAP) && lcg_rand_n (16) == 0)
|
|
{
|
|
pixman_image_t *alpha_map;
|
|
int alpha_x, alpha_y;
|
|
|
|
alpha_x = lcg_rand_n (width);
|
|
alpha_y = lcg_rand_n (height);
|
|
alpha_map =
|
|
create_image (max_size, formats, (flags & ~(ALLOW_ALPHA_MAP | ALLOW_SOLID)));
|
|
pixman_image_set_alpha_map (image, alpha_map, alpha_x, alpha_y);
|
|
pixman_image_unref (alpha_map);
|
|
}
|
|
|
|
if ((flags & ALLOW_REPEAT) && lcg_rand_n (2) == 0)
|
|
pixman_image_set_repeat (image, lcg_rand_n (4));
|
|
|
|
image_endian_swap (image);
|
|
|
|
return image;
|
|
}
|
|
|
|
#define KEY1(p) ((void *)(((unsigned long)p) ^ (0xa7e23dfaUL)))
|
|
#define KEY2(p) ((void *)(((unsigned long)p) ^ (0xabcd9876UL)))
|
|
|
|
#define MAX_GLYPHS 32
|
|
|
|
uint32_t
|
|
test_glyphs (int testnum, int verbose)
|
|
{
|
|
pixman_image_t *glyph_images[MAX_GLYPHS];
|
|
pixman_glyph_t glyphs[4 * MAX_GLYPHS];
|
|
uint32_t crc32 = 0;
|
|
pixman_image_t *source, *dest;
|
|
int n_glyphs, i;
|
|
pixman_glyph_cache_t *cache;
|
|
|
|
lcg_srand (testnum);
|
|
|
|
cache = pixman_glyph_cache_create ();
|
|
|
|
source = create_image (300, formats,
|
|
ALLOW_CLIPPED | ALLOW_ALPHA_MAP |
|
|
ALLOW_SOURCE_CLIPPING |
|
|
ALLOW_REPEAT | ALLOW_SOLID);
|
|
|
|
dest = create_image (128, formats,
|
|
ALLOW_CLIPPED | ALLOW_ALPHA_MAP |
|
|
ALLOW_SOURCE_CLIPPING);
|
|
|
|
pixman_glyph_cache_freeze (cache);
|
|
|
|
n_glyphs = lcg_rand_n (MAX_GLYPHS);
|
|
for (i = 0; i < n_glyphs; ++i)
|
|
glyph_images[i] = create_image (32, glyph_formats, 0);
|
|
|
|
for (i = 0; i < 4 * n_glyphs; ++i)
|
|
{
|
|
int g = lcg_rand_n (n_glyphs);
|
|
pixman_image_t *glyph_img = glyph_images[g];
|
|
void *key1 = KEY1 (glyph_img);
|
|
void *key2 = KEY2 (glyph_img);
|
|
const void *glyph;
|
|
|
|
if (!(glyph = pixman_glyph_cache_lookup (cache, key1, key2)))
|
|
{
|
|
glyph =
|
|
pixman_glyph_cache_insert (cache, key1, key2, 5, 8, glyph_img);
|
|
}
|
|
|
|
glyphs[i].glyph = glyph;
|
|
glyphs[i].x = lcg_rand_n (128);
|
|
glyphs[i].y = lcg_rand_n (128);
|
|
}
|
|
|
|
if (lcg_rand_n (2) == 0)
|
|
{
|
|
int src_x = lcg_rand_n (300) - 150;
|
|
int src_y = lcg_rand_n (300) - 150;
|
|
int mask_x = lcg_rand_n (64) - 32;
|
|
int mask_y = lcg_rand_n (64) - 32;
|
|
int dest_x = lcg_rand_n (64) - 32;
|
|
int dest_y = lcg_rand_n (64) - 32;
|
|
int width = lcg_rand_n (64);
|
|
int height = lcg_rand_n (64);
|
|
pixman_op_t op = operators[lcg_rand_n (ARRAY_LENGTH (operators))];
|
|
pixman_format_code_t format = random_format (glyph_formats);
|
|
|
|
pixman_composite_glyphs (
|
|
op,
|
|
source, dest, format,
|
|
src_x, src_y,
|
|
mask_x, mask_y,
|
|
dest_x, dest_y,
|
|
width, height,
|
|
cache, 4 * n_glyphs, glyphs);
|
|
}
|
|
else
|
|
{
|
|
pixman_op_t op = operators[lcg_rand_n (ARRAY_LENGTH (operators))];
|
|
int src_x = lcg_rand_n (300) - 150;
|
|
int src_y = lcg_rand_n (300) - 150;
|
|
int dest_x = lcg_rand_n (64) - 32;
|
|
int dest_y = lcg_rand_n (64) - 32;
|
|
|
|
pixman_composite_glyphs_no_mask (
|
|
op, source, dest,
|
|
src_x, src_y,
|
|
dest_x, dest_y,
|
|
cache, 4 * n_glyphs, glyphs);
|
|
}
|
|
|
|
pixman_glyph_cache_thaw (cache);
|
|
|
|
for (i = 0; i < n_glyphs; ++i)
|
|
{
|
|
pixman_image_t *img = glyph_images[i];
|
|
void *key1, *key2;
|
|
|
|
key1 = KEY1 (img);
|
|
key2 = KEY2 (img);
|
|
|
|
pixman_glyph_cache_remove (cache, key1, key2);
|
|
pixman_image_unref (glyph_images[i]);
|
|
}
|
|
|
|
crc32 = compute_crc32_for_image (0, dest);
|
|
|
|
pixman_image_unref (source);
|
|
pixman_image_unref (dest);
|
|
|
|
pixman_glyph_cache_destroy (cache);
|
|
|
|
return crc32;
|
|
}
|
|
|
|
int
|
|
main (int argc, const char *argv[])
|
|
{
|
|
return fuzzer_test_main ("glyph", 30000,
|
|
0x79E74996,
|
|
test_glyphs, argc, argv);
|
|
}
|