/*
* Copyright © 2013 Soeren Sandmann
* Copyright © 2013 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h> /* abort() */
#include <math.h>
#include <time.h>
#include "utils.h"
typedef struct pixel_combination_t pixel_combination_t;
struct pixel_combination_t
{
pixman_op_t op;
pixman_format_code_t src_format;
uint32_t src_pixel;
pixman_format_code_t dest_format;
uint32_t dest_pixel;
};
static const pixel_combination_t regressions[] =
{
{ PIXMAN_OP_OVER,
PIXMAN_a8r8g8b8, 0x0f00c300,
PIXMAN_x14r6g6b6, 0x003c0,
},
{ PIXMAN_OP_DISJOINT_XOR,
PIXMAN_a4r4g4b4, 0xd0c0,
PIXMAN_a8r8g8b8, 0x5300ea00,
},
{ PIXMAN_OP_OVER,
PIXMAN_a8r8g8b8, 0x20c6bf00,
PIXMAN_r5g6b5, 0xb9ff
},
{ PIXMAN_OP_OVER,
PIXMAN_a8r8g8b8, 0x204ac7ff,
PIXMAN_r5g6b5, 0xc1ff
},
{ PIXMAN_OP_OVER_REVERSE,
PIXMAN_r5g6b5, 0xffc3,
PIXMAN_a8r8g8b8, 0x102d00dd
},
{ PIXMAN_OP_OVER_REVERSE,
PIXMAN_r5g6b5, 0x1f00,
PIXMAN_a8r8g8b8, 0x1bdf0c89
},
{ PIXMAN_OP_OVER_REVERSE,
PIXMAN_r5g6b5, 0xf9d2,
PIXMAN_a8r8g8b8, 0x1076bcf7
},
{ PIXMAN_OP_OVER_REVERSE,
PIXMAN_r5g6b5, 0x00c3,
PIXMAN_a8r8g8b8, 0x1bfe9ae5
},
{ PIXMAN_OP_OVER_REVERSE,
PIXMAN_r5g6b5, 0x09ff,
PIXMAN_a8r8g8b8, 0x0b00c16c
},
{ PIXMAN_OP_DISJOINT_ATOP,
PIXMAN_a2r2g2b2, 0xbc,
PIXMAN_a8r8g8b8, 0x9efff1ff
},
{ PIXMAN_OP_DISJOINT_ATOP,
PIXMAN_a4r4g4b4, 0xae5f,
PIXMAN_a8r8g8b8, 0xf215b675
},
{ PIXMAN_OP_DISJOINT_ATOP_REVERSE,
PIXMAN_a8r8g8b8, 0xce007980,
PIXMAN_a8r8g8b8, 0x80ffe4ad
},
{ PIXMAN_OP_DISJOINT_XOR,
PIXMAN_a8r8g8b8, 0xb8b07bea,
PIXMAN_a4r4g4b4, 0x939c
},
{ PIXMAN_OP_CONJOINT_ATOP_REVERSE,
PIXMAN_r5g6b5, 0x0063,
PIXMAN_a8r8g8b8, 0x10bb1ed7,
},
};
static void
fill (pixman_image_t *image, uint32_t pixel)
{
uint8_t *data = (uint8_t *)pixman_image_get_data (image);
int bytes_per_pixel = PIXMAN_FORMAT_BPP (pixman_image_get_format (image)) / 8;
int n_bytes = pixman_image_get_stride (image) * pixman_image_get_height (image);
int i;
switch (bytes_per_pixel)
{
case 4:
for (i = 0; i < n_bytes / 4; ++i)
((uint32_t *)data)[i] = pixel;
break;
case 2:
pixel &= 0xffff;
for (i = 0; i < n_bytes / 2; ++i)
((uint16_t *)data)[i] = pixel;
break;
case 1:
pixel &= 0xff;
for (i = 0; i < n_bytes; ++i)
((uint8_t *)data)[i] = pixel;
break;
default:
assert (0);
break;
}
}
static uint32_t
access (pixman_image_t *image, int x, int y)
{
int bytes_per_pixel;
int stride;
uint32_t result;
uint8_t *location;
if (x < 0 || x >= image->bits.width || y < 0 || y >= image->bits.height)
return 0;
bytes_per_pixel = PIXMAN_FORMAT_BPP (image->bits.format) / 8;
stride = image->bits.rowstride * 4;
location = (uint8_t *)image->bits.bits + y * stride + x * bytes_per_pixel;
if (bytes_per_pixel == 4)
result = *(uint32_t *)location;
else if (bytes_per_pixel == 2)
result = *(uint16_t *)location;
else if (bytes_per_pixel == 1)
result = *(uint8_t *)location;
else
assert (0);
return result;
}
static pixman_bool_t
verify (int test_no, const pixel_combination_t *combination, int size)
{
pixman_image_t *src, *dest;
pixel_checker_t src_checker, dest_checker;
color_t source_color, dest_color, reference_color;
pixman_bool_t result = TRUE;
int i, j;
/* Compute reference color */
pixel_checker_init (&src_checker, combination->src_format);
pixel_checker_init (&dest_checker, combination->dest_format);
pixel_checker_convert_pixel_to_color (
&src_checker, combination->src_pixel, &source_color);
pixel_checker_convert_pixel_to_color (
&dest_checker, combination->dest_pixel, &dest_color);
do_composite (combination->op,
&source_color, NULL, &dest_color,
&reference_color, FALSE);
src = pixman_image_create_bits (
combination->src_format, size, size, NULL, -1);
dest = pixman_image_create_bits (
combination->dest_format, size, size, NULL, -1);
fill (src, combination->src_pixel);
fill (dest, combination->dest_pixel);
pixman_image_composite32 (
combination->op, src, NULL, dest, 0, 0, 0, 0, 0, 0, size, size);
for (j = 0; j < size; ++j)
{
for (i = 0; i < size; ++i)
{
uint32_t computed = access (dest, i, j);
int32_t a, r, g, b;
if (!pixel_checker_check (&dest_checker, computed, &reference_color))
{
printf ("----------- Test %d failed ----------\n", test_no);
printf (" operator: %s\n", operator_name (combination->op));
printf (" src format: %s\n", format_name (combination->src_format));
printf (" dest format: %s\n", format_name (combination->dest_format));
printf (" - source ARGB: %f %f %f %f (pixel: %8x)\n",
source_color.a, source_color.r, source_color.g, source_color.b,
combination->src_pixel);
pixel_checker_split_pixel (&src_checker, combination->src_pixel,
&a, &r, &g, &b);
printf (" %8d %8d %8d %8d\n", a, r, g, b);
printf (" - dest ARGB: %f %f %f %f (pixel: %8x)\n",
dest_color.a, dest_color.r, dest_color.g, dest_color.b,
combination->dest_pixel);
pixel_checker_split_pixel (&dest_checker, combination->dest_pixel,
&a, &r, &g, &b);
printf (" %8d %8d %8d %8d\n", a, r, g, b);
pixel_checker_split_pixel (&dest_checker, computed, &a, &r, &g, &b);
printf (" - expected ARGB: %f %f %f %f\n",
reference_color.a, reference_color.r, reference_color.g, reference_color.b);
pixel_checker_get_min (&dest_checker, &reference_color, &a, &r, &g, &b);
printf (" min acceptable: %8d %8d %8d %8d\n", a, r, g, b);
pixel_checker_split_pixel (&dest_checker, computed, &a, &r, &g, &b);
printf (" got: %8d %8d %8d %8d (pixel: %8x)\n", a, r, g, b, computed);
pixel_checker_get_max (&dest_checker, &reference_color, &a, &r, &g, &b);
printf (" max acceptable: %8d %8d %8d %8d\n", a, r, g, b);
result = FALSE;
goto done;
}
}
}
done:
pixman_image_unref (src);
pixman_image_unref (dest);
return result;
}
int
main (int argc, char **argv)
{
int result = 0;
int i, j;
for (i = 0; i < ARRAY_LENGTH (regressions); ++i)
{
const pixel_combination_t *combination = &(regressions[i]);
for (j = 1; j < 34; ++j)
{
if (!verify (i, combination, j))
{
result = 1;
break;
}
}
}
return result;
}