/*
* Copyright © 2005 Eric Anholt
* Copyright © 2009 Chris Wilson
* Copyright © 2010 Soeren Sandmann
* Copyright © 2010 Red Hat, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Eric Anholt not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Eric Anholt makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h> /* abort() */
#include <math.h>
#include <time.h>
#include "utils.h"
typedef struct image_t image_t;
static const color_t colors[] =
{
{ 1.0, 1.0, 1.0, 1.0 },
{ 1.0, 1.0, 1.0, 0.0 },
{ 0.0, 0.0, 0.0, 1.0 },
{ 0.0, 0.0, 0.0, 0.0 },
{ 1.0, 0.0, 0.0, 1.0 },
{ 0.0, 1.0, 0.0, 1.0 },
{ 0.0, 0.0, 1.0, 1.0 },
{ 0.5, 0.0, 0.0, 0.5 },
};
static uint16_t
_color_double_to_short (double d)
{
uint32_t i;
i = (uint32_t) (d * 65536);
i -= (i >> 16);
return i;
}
static void
compute_pixman_color (const color_t *color,
pixman_color_t *out)
{
out->red = _color_double_to_short (color->r);
out->green = _color_double_to_short (color->g);
out->blue = _color_double_to_short (color->b);
out->alpha = _color_double_to_short (color->a);
}
#define REPEAT 0x01000000
#define FLAGS 0xff000000
static const int sizes[] =
{
0,
1,
1 | REPEAT,
10
};
static const pixman_format_code_t formats[] =
{
/* 32 bpp formats */
PIXMAN_a8r8g8b8,
PIXMAN_x8r8g8b8,
PIXMAN_a8b8g8r8,
PIXMAN_x8b8g8r8,
PIXMAN_b8g8r8a8,
PIXMAN_b8g8r8x8,
PIXMAN_r8g8b8a8,
PIXMAN_r8g8b8x8,
PIXMAN_x2r10g10b10,
PIXMAN_x2b10g10r10,
PIXMAN_a2r10g10b10,
PIXMAN_a2b10g10r10,
/* sRGB formats */
PIXMAN_a8r8g8b8_sRGB,
/* 24 bpp formats */
PIXMAN_r8g8b8,
PIXMAN_b8g8r8,
PIXMAN_r5g6b5,
PIXMAN_b5g6r5,
/* 16 bpp formats */
PIXMAN_x1r5g5b5,
PIXMAN_x1b5g5r5,
PIXMAN_a1r5g5b5,
PIXMAN_a1b5g5r5,
PIXMAN_a4b4g4r4,
PIXMAN_x4b4g4r4,
PIXMAN_a4r4g4b4,
PIXMAN_x4r4g4b4,
/* 8 bpp formats */
PIXMAN_a8,
PIXMAN_r3g3b2,
PIXMAN_b2g3r3,
PIXMAN_a2r2g2b2,
PIXMAN_a2b2g2r2,
PIXMAN_x4a4,
/* 4 bpp formats */
PIXMAN_a4,
PIXMAN_r1g2b1,
PIXMAN_b1g2r1,
PIXMAN_a1r1g1b1,
PIXMAN_a1b1g1r1,
/* 1 bpp formats */
PIXMAN_a1,
};
struct image_t
{
pixman_image_t *image;
pixman_format_code_t format;
const color_t *color;
pixman_repeat_t repeat;
int size;
};
static const pixman_op_t operators[] =
{
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,
};
static uint32_t
get_value (pixman_image_t *image)
{
uint32_t value = *(uint32_t *)pixman_image_get_data (image);
#ifdef WORDS_BIGENDIAN
{
pixman_format_code_t format = pixman_image_get_format (image);
value >>= 8 * sizeof(value) - PIXMAN_FORMAT_BPP (format);
}
#endif
return value;
}
static char *
describe_image (image_t *info, char *buf)
{
if (info->size)
{
sprintf (buf, "%s, %dx%d%s",
format_name (info->format),
info->size, info->size,
info->repeat ? " R" :"");
}
else
{
sprintf (buf, "solid");
}
return buf;
}
static char *
describe_color (const color_t *color, char *buf)
{
sprintf (buf, "%.3f %.3f %.3f %.3f",
color->r, color->g, color->b, color->a);
return buf;
}
static pixman_bool_t
composite_test (image_t *dst,
pixman_op_t op,
image_t *src,
image_t *mask,
pixman_bool_t component_alpha,
int testno)
{
color_t expected, tdst, tsrc, tmsk;
pixel_checker_t checker;
if (mask)
{
pixman_image_set_component_alpha (mask->image, component_alpha);
pixman_image_composite (op, src->image, mask->image, dst->image,
0, 0, 0, 0, 0, 0, dst->size, dst->size);
}
else
{
pixman_image_composite (op, src->image, NULL, dst->image,
0, 0,
0, 0,
0, 0,
dst->size, dst->size);
}
tdst = *dst->color;
tsrc = *src->color;
if (mask)
{
tmsk = *mask->color;
}
/* It turns out that by construction all source, mask etc. colors are
* linear because they are made from fills, and fills are always in linear
* color space. However, if they have been converted to bitmaps, we need
* to simulate the sRGB approximation to pass the test cases.
*/
if (src->size)
{
if (PIXMAN_FORMAT_TYPE (src->format) == PIXMAN_TYPE_ARGB_SRGB)
{
tsrc.r = convert_linear_to_srgb (tsrc.r);
tsrc.g = convert_linear_to_srgb (tsrc.g);
tsrc.b = convert_linear_to_srgb (tsrc.b);
round_color (src->format, &tsrc);
tsrc.r = convert_srgb_to_linear (tsrc.r);
tsrc.g = convert_srgb_to_linear (tsrc.g);
tsrc.b = convert_srgb_to_linear (tsrc.b);
}
else
{
round_color (src->format, &tsrc);
}
}
if (mask && mask->size)
{
if (PIXMAN_FORMAT_TYPE (mask->format) == PIXMAN_TYPE_ARGB_SRGB)
{
tmsk.r = convert_linear_to_srgb (tmsk.r);
tmsk.g = convert_linear_to_srgb (tmsk.g);
tmsk.b = convert_linear_to_srgb (tmsk.b);
round_color (mask->format, &tmsk);
tmsk.r = convert_srgb_to_linear (tmsk.r);
tmsk.g = convert_srgb_to_linear (tmsk.g);
tmsk.b = convert_srgb_to_linear (tmsk.b);
}
else
{
round_color (mask->format, &tmsk);
}
}
if (mask)
{
if (component_alpha && PIXMAN_FORMAT_R (mask->format) == 0)
{
/* Ax component-alpha masks expand alpha into
* all color channels.
*/
tmsk.r = tmsk.g = tmsk.b = tmsk.a;
}
}
if (PIXMAN_FORMAT_TYPE (dst->format) == PIXMAN_TYPE_ARGB_SRGB)
{
tdst.r = convert_linear_to_srgb (tdst.r);
tdst.g = convert_linear_to_srgb (tdst.g);
tdst.b = convert_linear_to_srgb (tdst.b);
round_color (dst->format, &tdst);
tdst.r = convert_srgb_to_linear (tdst.r);
tdst.g = convert_srgb_to_linear (tdst.g);
tdst.b = convert_srgb_to_linear (tdst.b);
}
else
{
round_color (dst->format, &tdst);
}
do_composite (op,
&tsrc,
mask? &tmsk : NULL,
&tdst,
&expected,
component_alpha);
pixel_checker_init (&checker, dst->format);
if (!pixel_checker_check (&checker, get_value (dst->image), &expected))
{
char buf[40], buf2[40];
int a, r, g, b;
uint32_t pixel;
printf ("---- Test %d failed ----\n", testno);
printf ("Operator: %s %s\n",
operator_name (op), component_alpha ? "CA" : "");
printf ("Source: %s\n", describe_image (src, buf));
if (mask != NULL)
printf ("Mask: %s\n", describe_image (mask, buf));
printf ("Destination: %s\n\n", describe_image (dst, buf));
printf (" R G B A Rounded\n");
printf ("Source color: %s %s\n",
describe_color (src->color, buf),
describe_color (&tsrc, buf2));
if (mask)
{
printf ("Mask color: %s %s\n",
describe_color (mask->color, buf),
describe_color (&tmsk, buf2));
}
printf ("Dest. color: %s %s\n",
describe_color (dst->color, buf),
describe_color (&tdst, buf2));
pixel = get_value (dst->image);
printf ("Expected: %s\n", describe_color (&expected, buf));
pixel_checker_split_pixel (&checker, pixel, &a, &r, &g, &b);
printf ("Got: %5d %5d %5d %5d [pixel: 0x%08x]\n", r, g, b, a, pixel);
pixel_checker_get_min (&checker, &expected, &a, &r, &g, &b);
printf ("Min accepted: %5d %5d %5d %5d\n", r, g, b, a);
pixel_checker_get_max (&checker, &expected, &a, &r, &g, &b);
printf ("Max accepted: %5d %5d %5d %5d\n", r, g, b, a);
return FALSE;
}
return TRUE;
}
static void
image_init (image_t *info,
int color,
int format,
int size)
{
pixman_color_t fill;
info->color = &colors[color];
compute_pixman_color (info->color, &fill);
info->format = formats[format];
info->size = sizes[size] & ~FLAGS;
info->repeat = PIXMAN_REPEAT_NONE;
if (info->size)
{
pixman_image_t *solid;
info->image = pixman_image_create_bits (info->format,
info->size, info->size,
NULL, 0);
solid = pixman_image_create_solid_fill (&fill);
pixman_image_composite32 (PIXMAN_OP_SRC, solid, NULL, info->image,
0, 0, 0, 0, 0, 0, info->size, info->size);
pixman_image_unref (solid);
if (sizes[size] & REPEAT)
{
pixman_image_set_repeat (info->image, PIXMAN_REPEAT_NORMAL);
info->repeat = PIXMAN_REPEAT_NORMAL;
}
}
else
{
info->image = pixman_image_create_solid_fill (&fill);
}
}
static void
image_fini (image_t *info)
{
pixman_image_unref (info->image);
}
static int
random_size (void)
{
return prng_rand_n (ARRAY_LENGTH (sizes));
}
static int
random_color (void)
{
return prng_rand_n (ARRAY_LENGTH (colors));
}
static int
random_format (void)
{
return prng_rand_n (ARRAY_LENGTH (formats));
}
static pixman_bool_t
run_test (uint32_t seed)
{
image_t src, mask, dst;
pixman_op_t op;
int ca;
int ok;
prng_srand (seed);
image_init (&dst, random_color(), random_format(), 1);
image_init (&src, random_color(), random_format(), random_size());
image_init (&mask, random_color(), random_format(), random_size());
op = operators [prng_rand_n (ARRAY_LENGTH (operators))];
ca = prng_rand_n (3);
switch (ca)
{
case 0:
ok = composite_test (&dst, op, &src, NULL, FALSE, seed);
break;
case 1:
ok = composite_test (&dst, op, &src, &mask, FALSE, seed);
break;
case 2:
ok = composite_test (&dst, op, &src, &mask,
mask.size? TRUE : FALSE, seed);
break;
default:
ok = FALSE;
break;
}
image_fini (&src);
image_fini (&mask);
image_fini (&dst);
return ok;
}
int
main (int argc, char **argv)
{
#define N_TESTS (8 * 1024 * 1024)
int result = 0;
uint32_t seed;
int32_t i;
if (argc > 1)
{
char *end;
i = strtol (argv[1], &end, 0);
if (end != argv[1])
{
if (!run_test (i))
return 1;
else
return 0;
}
else
{
printf ("Usage:\n\n %s <number>\n\n", argv[0]);
return -1;
}
}
if (getenv ("PIXMAN_RANDOMIZE_TESTS"))
seed = get_random_seed();
else
seed = 1;
#ifdef USE_OPENMP
# pragma omp parallel for default(none) shared(result, argv, seed)
#endif
for (i = 0; i <= N_TESTS; ++i)
{
if (!result && !run_test (i + seed))
{
printf ("Test 0x%08X failed.\n", seed + i);
result = seed + i;
}
}
return result;
}