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#include <stdio.h>
#include <stdlib.h>
#include "utils.h"
#include <sys/types.h>
#include "pixman-private.h"
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_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_MULTIPLY,
PIXMAN_OP_SCREEN,
PIXMAN_OP_OVERLAY,
PIXMAN_OP_DARKEN,
PIXMAN_OP_LIGHTEN,
PIXMAN_OP_COLOR_DODGE,
PIXMAN_OP_COLOR_BURN,
PIXMAN_OP_HARD_LIGHT,
PIXMAN_OP_DIFFERENCE,
PIXMAN_OP_EXCLUSION,
PIXMAN_OP_SOFT_LIGHT,
PIXMAN_OP_HSL_HUE,
PIXMAN_OP_HSL_SATURATION,
PIXMAN_OP_HSL_COLOR,
PIXMAN_OP_HSL_LUMINOSITY,
};
static float
rand_float (void)
{
uint32_t u = lcg_rand_u32();
return *(float *)&u;
}
static void
random_floats (argb_t *argb, int width)
{
int i;
for (i = 0; i < width; ++i)
{
argb_t *p = argb + i;
p->a = rand_float();
p->r = rand_float();
p->g = rand_float();
p->b = rand_float();
}
}
#define WIDTH 512
static pixman_combine_float_func_t
lookup_combiner (pixman_implementation_t *imp, pixman_op_t op,
pixman_bool_t component_alpha)
{
pixman_combine_float_func_t f;
do
{
if (component_alpha)
f = imp->combine_float_ca[op];
else
f = imp->combine_float[op];
imp = imp->fallback;
}
while (!f);
return f;
}
int
main ()
{
pixman_implementation_t *impl;
argb_t *src_bytes = malloc (WIDTH * sizeof (argb_t));
argb_t *mask_bytes = malloc (WIDTH * sizeof (argb_t));
argb_t *dest_bytes = malloc (WIDTH * sizeof (argb_t));
int i;
enable_divbyzero_exceptions();
impl = _pixman_internal_only_get_implementation();
lcg_srand (0);
for (i = 0; i < ARRAY_LENGTH (op_list); ++i)
{
pixman_op_t op = op_list[i];
pixman_combine_float_func_t combiner;
int ca;
for (ca = 0; ca < 2; ++ca)
{
combiner = lookup_combiner (impl, op, ca);
random_floats (src_bytes, WIDTH);
random_floats (mask_bytes, WIDTH);
random_floats (dest_bytes, WIDTH);
combiner (impl, op,
(float *)dest_bytes,
(float *)mask_bytes,
(float *)src_bytes,
WIDTH);
}
}
return 0;
}
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