/*
* Copyright © 2015 RISC OS Open Ltd
*
* 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 the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. The copyright holders make no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS 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.
*
* Author: Ben Avison (bavison@riscosopen.org)
*
*/
#include "utils.h"
#include <stdlib.h>
#include <stdio.h>
#define WIDTH 32
#define HEIGHT 32
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_MULTIPLY,
PIXMAN_OP_SCREEN,
PIXMAN_OP_OVERLAY,
PIXMAN_OP_DARKEN,
PIXMAN_OP_LIGHTEN,
PIXMAN_OP_HARD_LIGHT,
PIXMAN_OP_DIFFERENCE,
PIXMAN_OP_EXCLUSION,
#if 0 /* these use floating point math and are not always bitexact on different platforms */
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_COLOR_DODGE,
PIXMAN_OP_COLOR_BURN,
PIXMAN_OP_SOFT_LIGHT,
PIXMAN_OP_HSL_HUE,
PIXMAN_OP_HSL_SATURATION,
PIXMAN_OP_HSL_COLOR,
PIXMAN_OP_HSL_LUMINOSITY,
#endif
};
/* The first eight format in the list are by far the most widely
* used formats, so we test those more than the others
*/
#define N_MOST_LIKELY_FORMATS 8
static const pixman_format_code_t img_fmt_list[] = {
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 are going to use floating point in the near future */
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_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_null
};
static const pixman_format_code_t mask_fmt_list[] = {
PIXMAN_a8r8g8b8,
PIXMAN_a8,
PIXMAN_a4,
PIXMAN_a1,
PIXMAN_null
};
static pixman_indexed_t rgb_palette[9];
static pixman_indexed_t y_palette[9];
static pixman_format_code_t
random_format (const pixman_format_code_t *allowed_formats)
{
int n = 0;
while (allowed_formats[n] != PIXMAN_null)
n++;
if (n > N_MOST_LIKELY_FORMATS && prng_rand_n (4) != 0)
n = N_MOST_LIKELY_FORMATS;
return allowed_formats[prng_rand_n (n)];
}
static pixman_image_t *
create_multi_pixel_image (const pixman_format_code_t *allowed_formats,
uint32_t *buffer,
pixman_format_code_t *used_fmt)
{
pixman_format_code_t fmt;
pixman_image_t *img;
int stride;
fmt = random_format (allowed_formats);
stride = (WIDTH * PIXMAN_FORMAT_BPP (fmt) + 31) / 32 * 4;
img = pixman_image_create_bits (fmt, WIDTH, HEIGHT, buffer, stride);
if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_COLOR)
pixman_image_set_indexed (img, &(rgb_palette[PIXMAN_FORMAT_BPP (fmt)]));
else if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_GRAY)
pixman_image_set_indexed (img, &(y_palette[PIXMAN_FORMAT_BPP (fmt)]));
prng_randmemset (buffer, WIDTH * HEIGHT * 4, 0);
image_endian_swap (img);
if (used_fmt)
*used_fmt = fmt;
return img;
}
static pixman_image_t *
create_solid_image (const pixman_format_code_t *allowed_formats,
uint32_t *buffer,
pixman_format_code_t *used_fmt)
{
if (prng_rand_n (2))
{
/* Use a repeating 1x1 bitmap image for solid */
pixman_format_code_t fmt;
pixman_image_t *img, *dummy_img;
uint32_t bpp, dummy_buf;
fmt = random_format (allowed_formats);
bpp = PIXMAN_FORMAT_BPP (fmt);
img = pixman_image_create_bits (fmt, 1, 1, buffer, 4);
pixman_image_set_repeat (img, PIXMAN_REPEAT_NORMAL);
if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_COLOR)
pixman_image_set_indexed (img, &(rgb_palette[bpp]));
else if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_GRAY)
pixman_image_set_indexed (img, &(y_palette[bpp]));
/* Force the flags to be calculated for image with initial
* bitmap contents of 0 or 2^bpp-1 by plotting from it into a
* separate throwaway image. It is simplest to write all 0s
* or all 1s to the first word irrespective of the colour
* depth even though we actually only care about the first
* pixel since the stride has to be a whole number of words.
*/
*buffer = prng_rand_n (2) ? 0xFFFFFFFFu : 0;
dummy_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, 1, 1,
&dummy_buf, 4);
pixman_image_composite (PIXMAN_OP_SRC, img, NULL, dummy_img,
0, 0, 0, 0, 0, 0, 1, 1);
pixman_image_unref (dummy_img);
/* Now set the bitmap contents to a random value */
prng_randmemset (buffer, 4, 0);
image_endian_swap (img);
if (used_fmt)
*used_fmt = fmt;
return img;
}
else
{
/* Use a native solid image */
pixman_color_t color;
pixman_image_t *img;
color.alpha = prng_rand_n (UINT16_MAX + 1);
color.red = prng_rand_n (UINT16_MAX + 1);
color.green = prng_rand_n (UINT16_MAX + 1);
color.blue = prng_rand_n (UINT16_MAX + 1);
img = pixman_image_create_solid_fill (&color);
if (used_fmt)
*used_fmt = PIXMAN_solid;
return img;
}
}
static uint32_t
test_solid (int testnum, int verbose)
{
pixman_op_t op;
uint32_t src_buf[WIDTH * HEIGHT];
uint32_t dst_buf[WIDTH * HEIGHT];
uint32_t mask_buf[WIDTH * HEIGHT];
pixman_image_t *src_img;
pixman_image_t *dst_img;
pixman_image_t *mask_img = NULL;
pixman_format_code_t src_fmt, dst_fmt, mask_fmt = PIXMAN_null;
pixman_bool_t ca = 0;
uint32_t crc32;
prng_srand (testnum);
op = op_list[prng_rand_n (ARRAY_LENGTH (op_list))];
dst_img = create_multi_pixel_image (img_fmt_list, dst_buf, &dst_fmt);
switch (prng_rand_n (3))
{
case 0: /* Solid source, no mask */
src_img = create_solid_image (img_fmt_list, src_buf, &src_fmt);
break;
case 1: /* Solid source, bitmap mask */
src_img = create_solid_image (img_fmt_list, src_buf, &src_fmt);
mask_img = create_multi_pixel_image (mask_fmt_list, mask_buf, &mask_fmt);
break;
case 2: /* Bitmap image, solid mask */
src_img = create_multi_pixel_image (img_fmt_list, src_buf, &src_fmt);
mask_img = create_solid_image (mask_fmt_list, mask_buf, &mask_fmt);
break;
default:
abort ();
}
if (mask_img)
{
ca = prng_rand_n (2);
pixman_image_set_component_alpha (mask_img, ca);
}
if (verbose)
{
printf ("op=%s\n", operator_name (op));
printf ("src_fmt=%s, dst_fmt=%s, mask_fmt=%s\n",
format_name (src_fmt), format_name (dst_fmt),
format_name (mask_fmt));
printf ("src_size=%u, mask_size=%u, component_alpha=%u\n",
src_fmt == PIXMAN_solid ? 1 : src_img->bits.width,
!mask_img || mask_fmt == PIXMAN_solid ? 1 : mask_img->bits.width,
ca);
}
pixman_image_composite (op, src_img, mask_img, dst_img,
0, 0, 0, 0, 0, 0, WIDTH, HEIGHT);
if (verbose)
print_image (dst_img);
crc32 = compute_crc32_for_image (0, dst_img);
pixman_image_unref (src_img);
pixman_image_unref (dst_img);
if (mask_img)
pixman_image_unref (mask_img);
return crc32;
}
int
main (int argc, const char *argv[])
{
int i;
prng_srand (0);
for (i = 1; i <= 8; i++)
{
initialize_palette (&(rgb_palette[i]), i, TRUE);
initialize_palette (&(y_palette[i]), i, FALSE);
}
return fuzzer_test_main ("solid", 500000,
0xC30FD380,
test_solid, argc, argv);
}