/* Free random image, and optionally update crc32 based on its data */
static uint32_t
free_random_image (uint32_t initcrc,
pixman_image_t *img,
pixman_format_code_t fmt)
{
uint32_t crc32 = 0;
uint32_t *data = pixman_image_get_data (img);
if (fmt != PIXMAN_null)
crc32 = compute_crc32_for_image (initcrc, img);
if (img->bits.rowstride < 0)
data += img->bits.rowstride * (img->bits.height - 1);
pixman_image_unref (img);
free (data);
return crc32;
}
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;
}
/*
* Composite operation with pseudorandom images
*/
uint32_t
test_composite (int testnum,
int verbose)
{
int i;
pixman_image_t * src_img;
pixman_image_t * dst_img;
pixman_region16_t clip;
int dst_width, dst_height;
int dst_stride;
int dst_x, dst_y;
int dst_bpp;
pixman_op_t op;
uint32_t * dst_bits;
uint32_t crc32;
pixman_format_code_t mask_format, dst_format;
pixman_trapezoid_t *traps;
int src_x, src_y;
int n_traps;
static pixman_color_t colors[] =
{
{ 0xffff, 0xffff, 0xffff, 0xffff },
{ 0x0000, 0x0000, 0x0000, 0x0000 },
{ 0xabcd, 0xabcd, 0x0000, 0xabcd },
{ 0x0000, 0x0000, 0x0000, 0xffff },
{ 0x0101, 0x0101, 0x0101, 0x0101 },
{ 0x7777, 0x6666, 0x5555, 0x9999 },
};
FLOAT_REGS_CORRUPTION_DETECTOR_START ();
prng_srand (testnum);
op = RANDOM_ELT (operators);
mask_format = RANDOM_ELT (mask_formats);
/* Create source image */
if (prng_rand_n (4) == 0)
{
src_img = pixman_image_create_solid_fill (
&(colors[prng_rand_n (ARRAY_LENGTH (colors))]));
src_x = 10;
src_y = 234;
}
else
{
pixman_format_code_t src_format = RANDOM_ELT(formats);
int src_bpp = (PIXMAN_FORMAT_BPP (src_format) + 7) / 8;
int src_width = prng_rand_n (MAX_SRC_WIDTH) + 1;
int src_height = prng_rand_n (MAX_SRC_HEIGHT) + 1;
int src_stride = src_width * src_bpp + prng_rand_n (MAX_STRIDE) * src_bpp;
uint32_t *bits, *orig;
src_x = -(src_width / 4) + prng_rand_n (src_width * 3 / 2);
src_y = -(src_height / 4) + prng_rand_n (src_height * 3 / 2);
src_stride = (src_stride + 3) & ~3;
orig = bits = (uint32_t *)make_random_bytes (src_stride * src_height);
if (prng_rand_n (2) == 0)
{
bits += (src_stride / 4) * (src_height - 1);
src_stride = - src_stride;
}
src_img = pixman_image_create_bits (
src_format, src_width, src_height, bits, src_stride);
pixman_image_set_destroy_function (src_img, destroy_bits, orig);
if (prng_rand_n (8) == 0)
{
pixman_box16_t clip_boxes[2];
int n = prng_rand_n (2) + 1;
for (i = 0; i < n; i++)
{
clip_boxes[i].x1 = prng_rand_n (src_width);
clip_boxes[i].y1 = prng_rand_n (src_height);
clip_boxes[i].x2 =
clip_boxes[i].x1 + prng_rand_n (src_width - clip_boxes[i].x1);
clip_boxes[i].y2 =
clip_boxes[i].y1 + prng_rand_n (src_height - clip_boxes[i].y1);
if (verbose)
{
printf ("source clip box: [%d,%d-%d,%d]\n",
clip_boxes[i].x1, clip_boxes[i].y1,
clip_boxes[i].x2, clip_boxes[i].y2);
}
}
pixman_region_init_rects (&clip, clip_boxes, n);
pixman_image_set_clip_region (src_img, &clip);
pixman_image_set_source_clipping (src_img, 1);
pixman_region_fini (&clip);
}
image_endian_swap (src_img);
}
/* Create destination image */
{
dst_format = RANDOM_ELT(formats);
dst_bpp = (PIXMAN_FORMAT_BPP (dst_format) + 7) / 8;
dst_width = prng_rand_n (MAX_DST_WIDTH) + 1;
dst_height = prng_rand_n (MAX_DST_HEIGHT) + 1;
dst_stride = dst_width * dst_bpp + prng_rand_n (MAX_STRIDE) * dst_bpp;
dst_stride = (dst_stride + 3) & ~3;
dst_bits = (uint32_t *)make_random_bytes (dst_stride * dst_height);
if (prng_rand_n (2) == 0)
{
dst_bits += (dst_stride / 4) * (dst_height - 1);
dst_stride = - dst_stride;
}
dst_x = -(dst_width / 4) + prng_rand_n (dst_width * 3 / 2);
dst_y = -(dst_height / 4) + prng_rand_n (dst_height * 3 / 2);
dst_img = pixman_image_create_bits (
dst_format, dst_width, dst_height, dst_bits, dst_stride);
image_endian_swap (dst_img);
}
/* Create traps */
{
int i;
n_traps = prng_rand_n (25);
traps = fence_malloc (n_traps * sizeof (pixman_trapezoid_t));
for (i = 0; i < n_traps; ++i)
{
pixman_trapezoid_t *t = &(traps[i]);
t->top = random_fixed (MAX_DST_HEIGHT) - MAX_DST_HEIGHT / 2;
t->bottom = t->top + random_fixed (MAX_DST_HEIGHT);
t->left.p1.x = random_fixed (MAX_DST_WIDTH) - MAX_DST_WIDTH / 2;
t->left.p1.y = t->top - random_fixed (50);
t->left.p2.x = random_fixed (MAX_DST_WIDTH) - MAX_DST_WIDTH / 2;
t->left.p2.y = t->bottom + random_fixed (50);
t->right.p1.x = t->left.p1.x + random_fixed (MAX_DST_WIDTH);
t->right.p1.y = t->top - random_fixed (50);
t->right.p2.x = t->left.p2.x + random_fixed (MAX_DST_WIDTH);
t->right.p2.y = t->bottom - random_fixed (50);
}
}
if (prng_rand_n (8) == 0)
{
pixman_box16_t clip_boxes[2];
int n = prng_rand_n (2) + 1;
for (i = 0; i < n; i++)
{
clip_boxes[i].x1 = prng_rand_n (dst_width);
clip_boxes[i].y1 = prng_rand_n (dst_height);
clip_boxes[i].x2 =
clip_boxes[i].x1 + prng_rand_n (dst_width - clip_boxes[i].x1);
clip_boxes[i].y2 =
clip_boxes[i].y1 + prng_rand_n (dst_height - clip_boxes[i].y1);
if (verbose)
{
printf ("destination clip box: [%d,%d-%d,%d]\n",
clip_boxes[i].x1, clip_boxes[i].y1,
clip_boxes[i].x2, clip_boxes[i].y2);
}
}
pixman_region_init_rects (&clip, clip_boxes, n);
pixman_image_set_clip_region (dst_img, &clip);
pixman_region_fini (&clip);
}
pixman_composite_trapezoids (op, src_img, dst_img, mask_format,
src_x, src_y, dst_x, dst_y, n_traps, traps);
crc32 = compute_crc32_for_image (0, dst_img);
if (verbose)
print_image (dst_img);
if (dst_stride < 0)
dst_bits += (dst_stride / 4) * (dst_height - 1);
fence_free (dst_bits);
pixman_image_unref (src_img);
pixman_image_unref (dst_img);
fence_free (traps);
FLOAT_REGS_CORRUPTION_DETECTOR_FINISH ();
return crc32;
}
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;
}